diff options
| author | Christian Heimes <christian@cheimes.de> | 2013-10-21 12:03:09 +0200 |
|---|---|---|
| committer | Christian Heimes <christian@cheimes.de> | 2013-10-21 12:03:09 +0200 |
| commit | c20bcde58dc2ed770900ab553ac663f2f1212fc2 (patch) | |
| tree | 05eb7cad3054f3c5b8e557d40ef97bce5a416026 /Modules/zlib | |
| parent | 3ac1eb16d5c4b779da38895597ee5d7caf3d22bd (diff) | |
| download | cpython-git-c20bcde58dc2ed770900ab553ac663f2f1212fc2.tar.gz | |
Issue #18527: Upgrade internal copy of zlib to 1.2.8
Diffstat (limited to 'Modules/zlib')
38 files changed, 2971 insertions, 2791 deletions
diff --git a/Modules/zlib/ChangeLog b/Modules/zlib/ChangeLog index f310bb0fcd..f22aabaef5 100644 --- a/Modules/zlib/ChangeLog +++ b/Modules/zlib/ChangeLog @@ -1,12 +1,276 @@ ChangeLog file for zlib +Changes in 1.2.8 (28 Apr 2013) +- Update contrib/minizip/iowin32.c for Windows RT [Vollant] +- Do not force Z_CONST for C++ +- Clean up contrib/vstudio [Ro§] +- Correct spelling error in zlib.h +- Fix mixed line endings in contrib/vstudio + +Changes in 1.2.7.3 (13 Apr 2013) +- Fix version numbers and DLL names in contrib/vstudio/*/zlib.rc + +Changes in 1.2.7.2 (13 Apr 2013) +- Change check for a four-byte type back to hexadecimal +- Fix typo in win32/Makefile.msc +- Add casts in gzwrite.c for pointer differences + +Changes in 1.2.7.1 (24 Mar 2013) +- Replace use of unsafe string functions with snprintf if available +- Avoid including stddef.h on Windows for Z_SOLO compile [Niessink] +- Fix gzgetc undefine when Z_PREFIX set [Turk] +- Eliminate use of mktemp in Makefile (not always available) +- Fix bug in 'F' mode for gzopen() +- Add inflateGetDictionary() function +- Correct comment in deflate.h +- Use _snprintf for snprintf in Microsoft C +- On Darwin, only use /usr/bin/libtool if libtool is not Apple +- Delete "--version" file if created by "ar --version" [Richard G.] +- Fix configure check for veracity of compiler error return codes +- Fix CMake compilation of static lib for MSVC2010 x64 +- Remove unused variable in infback9.c +- Fix argument checks in gzlog_compress() and gzlog_write() +- Clean up the usage of z_const and respect const usage within zlib +- Clean up examples/gzlog.[ch] comparisons of different types +- Avoid shift equal to bits in type (caused endless loop) +- Fix unintialized value bug in gzputc() introduced by const patches +- Fix memory allocation error in examples/zran.c [Nor] +- Fix bug where gzopen(), gzclose() would write an empty file +- Fix bug in gzclose() when gzwrite() runs out of memory +- Check for input buffer malloc failure in examples/gzappend.c +- Add note to contrib/blast to use binary mode in stdio +- Fix comparisons of differently signed integers in contrib/blast +- Check for invalid code length codes in contrib/puff +- Fix serious but very rare decompression bug in inftrees.c +- Update inflateBack() comments, since inflate() can be faster +- Use underscored I/O function names for WINAPI_FAMILY +- Add _tr_flush_bits to the external symbols prefixed by --zprefix +- Add contrib/vstudio/vc10 pre-build step for static only +- Quote --version-script argument in CMakeLists.txt +- Don't specify --version-script on Apple platforms in CMakeLists.txt +- Fix casting error in contrib/testzlib/testzlib.c +- Fix types in contrib/minizip to match result of get_crc_table() +- Simplify contrib/vstudio/vc10 with 'd' suffix +- Add TOP support to win32/Makefile.msc +- Suport i686 and amd64 assembler builds in CMakeLists.txt +- Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h +- Add vc11 and vc12 build files to contrib/vstudio +- Add gzvprintf() as an undocumented function in zlib +- Fix configure for Sun shell +- Remove runtime check in configure for four-byte integer type +- Add casts and consts to ease user conversion to C++ +- Add man pages for minizip and miniunzip +- In Makefile uninstall, don't rm if preceding cd fails +- Do not return Z_BUF_ERROR if deflateParam() has nothing to write + +Changes in 1.2.7 (2 May 2012) +- Replace use of memmove() with a simple copy for portability +- Test for existence of strerror +- Restore gzgetc_ for backward compatibility with 1.2.6 +- Fix build with non-GNU make on Solaris +- Require gcc 4.0 or later on Mac OS X to use the hidden attribute +- Include unistd.h for Watcom C +- Use __WATCOMC__ instead of __WATCOM__ +- Do not use the visibility attribute if NO_VIZ defined +- Improve the detection of no hidden visibility attribute +- Avoid using __int64 for gcc or solo compilation +- Cast to char * in gzprintf to avoid warnings [Zinser] +- Fix make_vms.com for VAX [Zinser] +- Don't use library or built-in byte swaps +- Simplify test and use of gcc hidden attribute +- Fix bug in gzclose_w() when gzwrite() fails to allocate memory +- Add "x" (O_EXCL) and "e" (O_CLOEXEC) modes support to gzopen() +- Fix bug in test/minigzip.c for configure --solo +- Fix contrib/vstudio project link errors [Mohanathas] +- Add ability to choose the builder in make_vms.com [Schweda] +- Add DESTDIR support to mingw32 win32/Makefile.gcc +- Fix comments in win32/Makefile.gcc for proper usage +- Allow overriding the default install locations for cmake +- Generate and install the pkg-config file with cmake +- Build both a static and a shared version of zlib with cmake +- Include version symbols for cmake builds +- If using cmake with MSVC, add the source directory to the includes +- Remove unneeded EXTRA_CFLAGS from win32/Makefile.gcc [Truta] +- Move obsolete emx makefile to old [Truta] +- Allow the use of -Wundef when compiling or using zlib +- Avoid the use of the -u option with mktemp +- Improve inflate() documentation on the use of Z_FINISH +- Recognize clang as gcc +- Add gzopen_w() in Windows for wide character path names +- Rename zconf.h in CMakeLists.txt to move it out of the way +- Add source directory in CMakeLists.txt for building examples +- Look in build directory for zlib.pc in CMakeLists.txt +- Remove gzflags from zlibvc.def in vc9 and vc10 +- Fix contrib/minizip compilation in the MinGW environment +- Update ./configure for Solaris, support --64 [Mooney] +- Remove -R. from Solaris shared build (possible security issue) +- Avoid race condition for parallel make (-j) running example +- Fix type mismatch between get_crc_table() and crc_table +- Fix parsing of version with "-" in CMakeLists.txt [Snider, Ziegler] +- Fix the path to zlib.map in CMakeLists.txt +- Force the native libtool in Mac OS X to avoid GNU libtool [Beebe] +- Add instructions to win32/Makefile.gcc for shared install [Torri] + +Changes in 1.2.6.1 (12 Feb 2012) +- Avoid the use of the Objective-C reserved name "id" +- Include io.h in gzguts.h for Microsoft compilers +- Fix problem with ./configure --prefix and gzgetc macro +- Include gz_header definition when compiling zlib solo +- Put gzflags() functionality back in zutil.c +- Avoid library header include in crc32.c for Z_SOLO +- Use name in GCC_CLASSIC as C compiler for coverage testing, if set +- Minor cleanup in contrib/minizip/zip.c [Vollant] +- Update make_vms.com [Zinser] +- Remove unnecessary gzgetc_ function +- Use optimized byte swap operations for Microsoft and GNU [Snyder] +- Fix minor typo in zlib.h comments [Rzesniowiecki] + +Changes in 1.2.6 (29 Jan 2012) +- Update the Pascal interface in contrib/pascal +- Fix function numbers for gzgetc_ in zlibvc.def files +- Fix configure.ac for contrib/minizip [Schiffer] +- Fix large-entry detection in minizip on 64-bit systems [Schiffer] +- Have ./configure use the compiler return code for error indication +- Fix CMakeLists.txt for cross compilation [McClure] +- Fix contrib/minizip/zip.c for 64-bit architectures [Dalsnes] +- Fix compilation of contrib/minizip on FreeBSD [Marquez] +- Correct suggested usages in win32/Makefile.msc [Shachar, Horvath] +- Include io.h for Turbo C / Borland C on all platforms [Truta] +- Make version explicit in contrib/minizip/configure.ac [Bosmans] +- Avoid warning for no encryption in contrib/minizip/zip.c [Vollant] +- Minor cleanup up contrib/minizip/unzip.c [Vollant] +- Fix bug when compiling minizip with C++ [Vollant] +- Protect for long name and extra fields in contrib/minizip [Vollant] +- Avoid some warnings in contrib/minizip [Vollant] +- Add -I../.. -L../.. to CFLAGS for minizip and miniunzip +- Add missing libs to minizip linker command +- Add support for VPATH builds in contrib/minizip +- Add an --enable-demos option to contrib/minizip/configure +- Add the generation of configure.log by ./configure +- Exit when required parameters not provided to win32/Makefile.gcc +- Have gzputc return the character written instead of the argument +- Use the -m option on ldconfig for BSD systems [Tobias] +- Correct in zlib.map when deflateResetKeep was added + +Changes in 1.2.5.3 (15 Jan 2012) +- Restore gzgetc function for binary compatibility +- Do not use _lseeki64 under Borland C++ [Truta] +- Update win32/Makefile.msc to build test/*.c [Truta] +- Remove old/visualc6 given CMakefile and other alternatives +- Update AS400 build files and documentation [Monnerat] +- Update win32/Makefile.gcc to build test/*.c [Truta] +- Permit stronger flushes after Z_BLOCK flushes +- Avoid extraneous empty blocks when doing empty flushes +- Permit Z_NULL arguments to deflatePending +- Allow deflatePrime() to insert bits in the middle of a stream +- Remove second empty static block for Z_PARTIAL_FLUSH +- Write out all of the available bits when using Z_BLOCK +- Insert the first two strings in the hash table after a flush + +Changes in 1.2.5.2 (17 Dec 2011) +- fix ld error: unable to find version dependency 'ZLIB_1.2.5' +- use relative symlinks for shared libs +- Avoid searching past window for Z_RLE strategy +- Assure that high-water mark initialization is always applied in deflate +- Add assertions to fill_window() in deflate.c to match comments +- Update python link in README +- Correct spelling error in gzread.c +- Fix bug in gzgets() for a concatenated empty gzip stream +- Correct error in comment for gz_make() +- Change gzread() and related to ignore junk after gzip streams +- Allow gzread() and related to continue after gzclearerr() +- Allow gzrewind() and gzseek() after a premature end-of-file +- Simplify gzseek() now that raw after gzip is ignored +- Change gzgetc() to a macro for speed (~40% speedup in testing) +- Fix gzclose() to return the actual error last encountered +- Always add large file support for windows +- Include zconf.h for windows large file support +- Include zconf.h.cmakein for windows large file support +- Update zconf.h.cmakein on make distclean +- Merge vestigial vsnprintf determination from zutil.h to gzguts.h +- Clarify how gzopen() appends in zlib.h comments +- Correct documentation of gzdirect() since junk at end now ignored +- Add a transparent write mode to gzopen() when 'T' is in the mode +- Update python link in zlib man page +- Get inffixed.h and MAKEFIXED result to match +- Add a ./config --solo option to make zlib subset with no libary use +- Add undocumented inflateResetKeep() function for CAB file decoding +- Add --cover option to ./configure for gcc coverage testing +- Add #define ZLIB_CONST option to use const in the z_stream interface +- Add comment to gzdopen() in zlib.h to use dup() when using fileno() +- Note behavior of uncompress() to provide as much data as it can +- Add files in contrib/minizip to aid in building libminizip +- Split off AR options in Makefile.in and configure +- Change ON macro to Z_ARG to avoid application conflicts +- Facilitate compilation with Borland C++ for pragmas and vsnprintf +- Include io.h for Turbo C / Borland C++ +- Move example.c and minigzip.c to test/ +- Simplify incomplete code table filling in inflate_table() +- Remove code from inflate.c and infback.c that is impossible to execute +- Test the inflate code with full coverage +- Allow deflateSetDictionary, inflateSetDictionary at any time (in raw) +- Add deflateResetKeep and fix inflateResetKeep to retain dictionary +- Fix gzwrite.c to accommodate reduced memory zlib compilation +- Have inflate() with Z_FINISH avoid the allocation of a window +- Do not set strm->adler when doing raw inflate +- Fix gzeof() to behave just like feof() when read is not past end of file +- Fix bug in gzread.c when end-of-file is reached +- Avoid use of Z_BUF_ERROR in gz* functions except for premature EOF +- Document gzread() capability to read concurrently written files +- Remove hard-coding of resource compiler in CMakeLists.txt [Blammo] + +Changes in 1.2.5.1 (10 Sep 2011) +- Update FAQ entry on shared builds (#13) +- Avoid symbolic argument to chmod in Makefile.in +- Fix bug and add consts in contrib/puff [Oberhumer] +- Update contrib/puff/zeros.raw test file to have all block types +- Add full coverage test for puff in contrib/puff/Makefile +- Fix static-only-build install in Makefile.in +- Fix bug in unzGetCurrentFileInfo() in contrib/minizip [Kuno] +- Add libz.a dependency to shared in Makefile.in for parallel builds +- Spell out "number" (instead of "nb") in zlib.h for total_in, total_out +- Replace $(...) with `...` in configure for non-bash sh [Bowler] +- Add darwin* to Darwin* and solaris* to SunOS\ 5* in configure [Groffen] +- Add solaris* to Linux* in configure to allow gcc use [Groffen] +- Add *bsd* to Linux* case in configure [Bar-Lev] +- Add inffast.obj to dependencies in win32/Makefile.msc +- Correct spelling error in deflate.h [Kohler] +- Change libzdll.a again to libz.dll.a (!) in win32/Makefile.gcc +- Add test to configure for GNU C looking for gcc in output of $cc -v +- Add zlib.pc generation to win32/Makefile.gcc [Weigelt] +- Fix bug in zlib.h for _FILE_OFFSET_BITS set and _LARGEFILE64_SOURCE not +- Add comment in zlib.h that adler32_combine with len2 < 0 makes no sense +- Make NO_DIVIDE option in adler32.c much faster (thanks to John Reiser) +- Make stronger test in zconf.h to include unistd.h for LFS +- Apply Darwin patches for 64-bit file offsets to contrib/minizip [Slack] +- Fix zlib.h LFS support when Z_PREFIX used +- Add updated as400 support (removed from old) [Monnerat] +- Avoid deflate sensitivity to volatile input data +- Avoid division in adler32_combine for NO_DIVIDE +- Clarify the use of Z_FINISH with deflateBound() amount of space +- Set binary for output file in puff.c +- Use u4 type for crc_table to avoid conversion warnings +- Apply casts in zlib.h to avoid conversion warnings +- Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller] +- Improve inflateSync() documentation to note indeterminancy +- Add deflatePending() function to return the amount of pending output +- Correct the spelling of "specification" in FAQ [Randers-Pehrson] +- Add a check in configure for stdarg.h, use for gzprintf() +- Check that pointers fit in ints when gzprint() compiled old style +- Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler] +- Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt] +- Add debug records in assmebler code [Londer] +- Update RFC references to use http://tools.ietf.org/html/... [Li] +- Add --archs option, use of libtool to configure for Mac OS X [Borstel] + Changes in 1.2.5 (19 Apr 2010) - Disable visibility attribute in win32/Makefile.gcc [Bar-Lev] - Default to libdir as sharedlibdir in configure [Nieder] - Update copyright dates on modified source files - Update trees.c to be able to generate modified trees.h - Exit configure for MinGW, suggesting win32/Makefile.gcc +- Check for NULL path in gz_open [Homurlu] Changes in 1.2.4.5 (18 Apr 2010) - Set sharedlibdir in configure [Torok] @@ -261,7 +525,7 @@ Changes in 1.2.3.4 (21 Dec 2009) - Clear bytes after deflate lookahead to avoid use of uninitialized data - Change a limit in inftrees.c to be more transparent to Coverity Prevent - Update win32/zlib.def with exported symbols from zlib.h -- Correct spelling error in zlib.h [Willem] +- Correct spelling errors in zlib.h [Willem, Sobrado] - Allow Z_BLOCK for deflate() to force a new block - Allow negative bits in inflatePrime() to delete existing bit buffer - Add Z_TREES flush option to inflate() to return at end of trees diff --git a/Modules/zlib/FAQ b/Modules/zlib/FAQ index 1a22750a58..99b7cf92e4 100644 --- a/Modules/zlib/FAQ +++ b/Modules/zlib/FAQ @@ -44,8 +44,8 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html 6. Where's the zlib documentation (man pages, etc.)? - It's in zlib.h . Examples of zlib usage are in the files example.c and - minigzip.c, with more in examples/ . + It's in zlib.h . Examples of zlib usage are in the files test/example.c + and test/minigzip.c, with more in examples/ . 7. Why don't you use GNU autoconf or libtool or ...? @@ -84,8 +84,10 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html 13. How can I make a Unix shared library? - make clean - ./configure -s + By default a shared (and a static) library is built for Unix. So: + + make distclean + ./configure make 14. How do I install a shared zlib library on Unix? @@ -325,7 +327,7 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html correctly points to the zlib specification in RFC 1950 for the "deflate" transfer encoding, there have been reports of servers and browsers that incorrectly produce or expect raw deflate data per the deflate - specficiation in RFC 1951, most notably Microsoft. So even though the + specification in RFC 1951, most notably Microsoft. So even though the "deflate" transfer encoding using the zlib format would be the more efficient approach (and in fact exactly what the zlib format was designed for), using the "gzip" transfer encoding is probably more reliable due to diff --git a/Modules/zlib/INDEX b/Modules/zlib/INDEX index f6c51ca175..2ba0641204 100644 --- a/Modules/zlib/INDEX +++ b/Modules/zlib/INDEX @@ -7,6 +7,9 @@ Makefile.in template for Unix Makefile README guess what configure configure script for Unix make_vms.com makefile for VMS +test/example.c zlib usages examples for build testing +test/minigzip.c minimal gzip-like functionality for build testing +test/infcover.c inf*.c code coverage for build coverage testing treebuild.xml XML description of source file dependencies zconf.h.cmakein zconf.h template for cmake zconf.h.in zconf.h template for configure @@ -14,9 +17,11 @@ zlib.3 Man page for zlib zlib.3.pdf Man page in PDF format zlib.map Linux symbol information zlib.pc.in Template for pkg-config descriptor +zlib.pc.cmakein zlib.pc template for cmake zlib2ansi perl script to convert source files for C++ compilation amiga/ makefiles for Amiga SAS C +as400/ makefiles for AS/400 doc/ documentation for formats and algorithms msdos/ makefiles for MSDOS nintendods/ makefile for Nintendo DS @@ -56,10 +61,8 @@ uncompr.c zutil.c zutil.h - source files for sample programs: -example.c -minigzip.c -See examples/README.examples for more + source files for sample programs +See examples/README.examples - unsupported contribution by third parties + unsupported contributions by third parties See contrib/README.contrib diff --git a/Modules/zlib/Makefile.in b/Modules/zlib/Makefile.in index 5b15bd00d7..c61aa3008d 100644 --- a/Modules/zlib/Makefile.in +++ b/Modules/zlib/Makefile.in @@ -1,5 +1,5 @@ # Makefile for zlib -# Copyright (C) 1995-2010 Jean-loup Gailly. +# Copyright (C) 1995-2013 Jean-loup Gailly, Mark Adler # For conditions of distribution and use, see copyright notice in zlib.h # To compile and test, type: @@ -32,11 +32,12 @@ CPP=$(CC) -E STATICLIB=libz.a SHAREDLIB=libz.so -SHAREDLIBV=libz.so.1.2.5 +SHAREDLIBV=libz.so.1.2.8 SHAREDLIBM=libz.so.1 LIBS=$(STATICLIB) $(SHAREDLIBV) -AR=ar rc +AR=ar +ARFLAGS=rc RANLIB=ranlib LDCONFIG=ldconfig LDSHAREDLIBC=-lc @@ -53,11 +54,13 @@ mandir = ${prefix}/share/man man3dir = ${mandir}/man3 pkgconfigdir = ${libdir}/pkgconfig -OBJC = adler32.o compress.o crc32.o deflate.o gzclose.o gzlib.o gzread.o \ - gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o +OBJZ = adler32.o crc32.o deflate.o infback.o inffast.o inflate.o inftrees.o trees.o zutil.o +OBJG = compress.o uncompr.o gzclose.o gzlib.o gzread.o gzwrite.o +OBJC = $(OBJZ) $(OBJG) -PIC_OBJC = adler32.lo compress.lo crc32.lo deflate.lo gzclose.lo gzlib.lo gzread.lo \ - gzwrite.lo infback.lo inffast.lo inflate.lo inftrees.lo trees.lo uncompr.lo zutil.lo +PIC_OBJZ = adler32.lo crc32.lo deflate.lo infback.lo inffast.lo inflate.lo inftrees.lo trees.lo zutil.lo +PIC_OBJG = compress.lo uncompr.lo gzclose.lo gzlib.lo gzread.lo gzwrite.lo +PIC_OBJC = $(PIC_OBJZ) $(PIC_OBJG) # to use the asm code: make OBJA=match.o, PIC_OBJA=match.lo OBJA = @@ -80,35 +83,49 @@ check: test test: all teststatic testshared teststatic: static - @if echo hello world | ./minigzip | ./minigzip -d && ./example; then \ + @TMPST=tmpst_$$; \ + if echo hello world | ./minigzip | ./minigzip -d && ./example $$TMPST ; then \ echo ' *** zlib test OK ***'; \ else \ echo ' *** zlib test FAILED ***'; false; \ - fi - -@rm -f foo.gz + fi; \ + rm -f $$TMPST testshared: shared @LD_LIBRARY_PATH=`pwd`:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \ LD_LIBRARYN32_PATH=`pwd`:$(LD_LIBRARYN32_PATH) ; export LD_LIBRARYN32_PATH; \ DYLD_LIBRARY_PATH=`pwd`:$(DYLD_LIBRARY_PATH) ; export DYLD_LIBRARY_PATH; \ SHLIB_PATH=`pwd`:$(SHLIB_PATH) ; export SHLIB_PATH; \ - if echo hello world | ./minigzipsh | ./minigzipsh -d && ./examplesh; then \ + TMPSH=tmpsh_$$; \ + if echo hello world | ./minigzipsh | ./minigzipsh -d && ./examplesh $$TMPSH; then \ echo ' *** zlib shared test OK ***'; \ else \ echo ' *** zlib shared test FAILED ***'; false; \ - fi - -@rm -f foo.gz + fi; \ + rm -f $$TMPSH test64: all64 - @if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64; then \ + @TMP64=tmp64_$$; \ + if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64 $$TMP64; then \ echo ' *** zlib 64-bit test OK ***'; \ else \ echo ' *** zlib 64-bit test FAILED ***'; false; \ - fi - -@rm -f foo.gz + fi; \ + rm -f $$TMP64 + +infcover.o: test/infcover.c zlib.h zconf.h + $(CC) $(CFLAGS) -I. -c -o $@ test/infcover.c + +infcover: infcover.o libz.a + $(CC) $(CFLAGS) -o $@ infcover.o libz.a + +cover: infcover + rm -f *.gcda + ./infcover + gcov inf*.c libz.a: $(OBJS) - $(AR) $@ $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) -@ ($(RANLIB) $@ || true) >/dev/null 2>&1 match.o: match.S @@ -123,11 +140,17 @@ match.lo: match.S mv _match.o match.lo rm -f _match.s -example64.o: example.c zlib.h zconf.h - $(CC) $(CFLAGS) -D_FILE_OFFSET_BITS=64 -c -o $@ example.c +example.o: test/example.c zlib.h zconf.h + $(CC) $(CFLAGS) -I. -c -o $@ test/example.c + +minigzip.o: test/minigzip.c zlib.h zconf.h + $(CC) $(CFLAGS) -I. -c -o $@ test/minigzip.c + +example64.o: test/example.c zlib.h zconf.h + $(CC) $(CFLAGS) -I. -D_FILE_OFFSET_BITS=64 -c -o $@ test/example.c -minigzip64.o: minigzip.c zlib.h zconf.h - $(CC) $(CFLAGS) -D_FILE_OFFSET_BITS=64 -c -o $@ minigzip.c +minigzip64.o: test/minigzip.c zlib.h zconf.h + $(CC) $(CFLAGS) -I. -D_FILE_OFFSET_BITS=64 -c -o $@ test/minigzip.c .SUFFIXES: .lo @@ -136,7 +159,7 @@ minigzip64.o: minigzip.c zlib.h zconf.h $(CC) $(SFLAGS) -DPIC -c -o objs/$*.o $< -@mv objs/$*.o $@ -$(SHAREDLIBV): $(PIC_OBJS) +placebo $(SHAREDLIBV): $(PIC_OBJS) libz.a $(LDSHARED) $(SFLAGS) -o $@ $(PIC_OBJS) $(LDSHAREDLIBC) $(LDFLAGS) rm -f $(SHAREDLIB) $(SHAREDLIBM) ln -s $@ $(SHAREDLIB) @@ -168,14 +191,16 @@ install-libs: $(LIBS) -@if [ ! -d $(DESTDIR)$(man3dir) ]; then mkdir -p $(DESTDIR)$(man3dir); fi -@if [ ! -d $(DESTDIR)$(pkgconfigdir) ]; then mkdir -p $(DESTDIR)$(pkgconfigdir); fi cp $(STATICLIB) $(DESTDIR)$(libdir) - cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir) - cd $(DESTDIR)$(libdir); chmod u=rw,go=r $(STATICLIB) - -@(cd $(DESTDIR)$(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1 - -@cd $(DESTDIR)$(sharedlibdir); if test "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \ - chmod 755 $(SHAREDLIBV); \ - rm -f $(SHAREDLIB) $(SHAREDLIBM); \ - ln -s $(SHAREDLIBV) $(SHAREDLIB); \ - ln -s $(SHAREDLIBV) $(SHAREDLIBM); \ + chmod 644 $(DESTDIR)$(libdir)/$(STATICLIB) + -@($(RANLIB) $(DESTDIR)$(libdir)/libz.a || true) >/dev/null 2>&1 + -@if test -n "$(SHAREDLIBV)"; then \ + cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir); \ + echo "cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)"; \ + chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV); \ + echo "chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV)"; \ + rm -f $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \ + ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB); \ + ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \ ($(LDCONFIG) || true) >/dev/null 2>&1; \ fi cp zlib.3 $(DESTDIR)$(man3dir) @@ -191,22 +216,25 @@ install: install-libs chmod 644 $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h uninstall: - cd $(DESTDIR)$(includedir); rm -f zlib.h zconf.h - cd $(DESTDIR)$(libdir); rm -f libz.a; \ - if test "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \ + cd $(DESTDIR)$(includedir) && rm -f zlib.h zconf.h + cd $(DESTDIR)$(libdir) && rm -f libz.a; \ + if test -n "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \ rm -f $(SHAREDLIBV) $(SHAREDLIB) $(SHAREDLIBM); \ fi - cd $(DESTDIR)$(man3dir); rm -f zlib.3 - cd $(DESTDIR)$(pkgconfigdir); rm -f zlib.pc + cd $(DESTDIR)$(man3dir) && rm -f zlib.3 + cd $(DESTDIR)$(pkgconfigdir) && rm -f zlib.pc docs: zlib.3.pdf zlib.3.pdf: zlib.3 groff -mandoc -f H -T ps zlib.3 | ps2pdf - zlib.3.pdf -zconf.h.in: zconf.h.cmakein - sed "/^#cmakedefine/D" < zconf.h.cmakein > zconf.h.in - touch -r zconf.h.cmakein zconf.h.in +zconf.h.cmakein: zconf.h.in + -@ TEMPFILE=zconfh_$$; \ + echo "/#define ZCONF_H/ a\\\\\n#cmakedefine Z_PREFIX\\\\\n#cmakedefine Z_HAVE_UNISTD_H\n" >> $$TEMPFILE &&\ + sed -f $$TEMPFILE zconf.h.in > zconf.h.cmakein &&\ + touch -r zconf.h.in zconf.h.cmakein &&\ + rm $$TEMPFILE zconf: zconf.h.in cp -p zconf.h.in zconf.h @@ -216,13 +244,16 @@ clean: rm -f *.o *.lo *~ \ example$(EXE) minigzip$(EXE) examplesh$(EXE) minigzipsh$(EXE) \ example64$(EXE) minigzip64$(EXE) \ + infcover \ libz.* foo.gz so_locations \ _match.s maketree contrib/infback9/*.o rm -rf objs + rm -f *.gcda *.gcno *.gcov + rm -f contrib/infback9/*.gcda contrib/infback9/*.gcno contrib/infback9/*.gcov maintainer-clean: distclean -distclean: clean zconf docs - rm -f Makefile zlib.pc +distclean: clean zconf zconf.h.cmakein docs + rm -f Makefile zlib.pc configure.log -@rm -f .DS_Store -@printf 'all:\n\t-@echo "Please use ./configure first. Thank you."\n' > Makefile -@printf '\ndistclean:\n\tmake -f Makefile.in distclean\n' >> Makefile diff --git a/Modules/zlib/README b/Modules/zlib/README index d4219bf889..5ca9d127ed 100644 --- a/Modules/zlib/README +++ b/Modules/zlib/README @@ -1,22 +1,22 @@ ZLIB DATA COMPRESSION LIBRARY -zlib 1.2.5 is a general purpose data compression library. All the code is +zlib 1.2.8 is a general purpose data compression library. All the code is thread safe. The data format used by the zlib library is described by RFCs (Request for Comments) 1950 to 1952 in the files -http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format) -and rfc1952.txt (gzip format). +http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and +rfc1952 (gzip format). All functions of the compression library are documented in the file zlib.h (volunteer to write man pages welcome, contact zlib@gzip.org). A usage example -of the library is given in the file example.c which also tests that the library -is working correctly. Another example is given in the file minigzip.c. The -compression library itself is composed of all source files except example.c and -minigzip.c. +of the library is given in the file test/example.c which also tests that +the library is working correctly. Another example is given in the file +test/minigzip.c. The compression library itself is composed of all source +files in the root directory. To compile all files and run the test program, follow the instructions given at the top of Makefile.in. In short "./configure; make test", and if that goes -well, "make install" should work for most flavors of Unix. For Windows, use one -of the special makefiles in win32/ or contrib/vstudio/ . For VMS, use +well, "make install" should work for most flavors of Unix. For Windows, use +one of the special makefiles in win32/ or contrib/vstudio/ . For VMS, use make_vms.com. Questions about zlib should be sent to <zlib@gzip.org>, or to Gilles Vollant @@ -31,7 +31,7 @@ Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997 issue of Dr. Dobb's Journal; a copy of the article is available at http://marknelson.us/1997/01/01/zlib-engine/ . -The changes made in version 1.2.5 are documented in the file ChangeLog. +The changes made in version 1.2.8 are documented in the file ChangeLog. Unsupported third party contributions are provided in directory contrib/ . @@ -44,7 +44,7 @@ http://search.cpan.org/~pmqs/IO-Compress-Zlib/ . A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is available in Python 1.5 and later versions, see -http://www.python.org/doc/lib/module-zlib.html . +http://docs.python.org/library/zlib.html . zlib is built into tcl: http://wiki.tcl.tk/4610 . @@ -84,7 +84,7 @@ Acknowledgments: Copyright notice: - (C) 1995-2010 Jean-loup Gailly and Mark Adler + (C) 1995-2013 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages diff --git a/Modules/zlib/adler32.c b/Modules/zlib/adler32.c index 65ad6a5adc..a868f073d8 100644 --- a/Modules/zlib/adler32.c +++ b/Modules/zlib/adler32.c @@ -1,5 +1,5 @@ /* adler32.c -- compute the Adler-32 checksum of a data stream - * Copyright (C) 1995-2007 Mark Adler + * Copyright (C) 1995-2011 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -9,9 +9,9 @@ #define local static -local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2); +local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2)); -#define BASE 65521UL /* largest prime smaller than 65536 */ +#define BASE 65521 /* largest prime smaller than 65536 */ #define NMAX 5552 /* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ @@ -21,39 +21,44 @@ local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2); #define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); #define DO16(buf) DO8(buf,0); DO8(buf,8); -/* use NO_DIVIDE if your processor does not do division in hardware */ +/* use NO_DIVIDE if your processor does not do division in hardware -- + try it both ways to see which is faster */ #ifdef NO_DIVIDE -# define MOD(a) \ +/* note that this assumes BASE is 65521, where 65536 % 65521 == 15 + (thank you to John Reiser for pointing this out) */ +# define CHOP(a) \ + do { \ + unsigned long tmp = a >> 16; \ + a &= 0xffffUL; \ + a += (tmp << 4) - tmp; \ + } while (0) +# define MOD28(a) \ do { \ - if (a >= (BASE << 16)) a -= (BASE << 16); \ - if (a >= (BASE << 15)) a -= (BASE << 15); \ - if (a >= (BASE << 14)) a -= (BASE << 14); \ - if (a >= (BASE << 13)) a -= (BASE << 13); \ - if (a >= (BASE << 12)) a -= (BASE << 12); \ - if (a >= (BASE << 11)) a -= (BASE << 11); \ - if (a >= (BASE << 10)) a -= (BASE << 10); \ - if (a >= (BASE << 9)) a -= (BASE << 9); \ - if (a >= (BASE << 8)) a -= (BASE << 8); \ - if (a >= (BASE << 7)) a -= (BASE << 7); \ - if (a >= (BASE << 6)) a -= (BASE << 6); \ - if (a >= (BASE << 5)) a -= (BASE << 5); \ - if (a >= (BASE << 4)) a -= (BASE << 4); \ - if (a >= (BASE << 3)) a -= (BASE << 3); \ - if (a >= (BASE << 2)) a -= (BASE << 2); \ - if (a >= (BASE << 1)) a -= (BASE << 1); \ + CHOP(a); \ if (a >= BASE) a -= BASE; \ } while (0) -# define MOD4(a) \ +# define MOD(a) \ do { \ - if (a >= (BASE << 4)) a -= (BASE << 4); \ - if (a >= (BASE << 3)) a -= (BASE << 3); \ - if (a >= (BASE << 2)) a -= (BASE << 2); \ - if (a >= (BASE << 1)) a -= (BASE << 1); \ + CHOP(a); \ + MOD28(a); \ + } while (0) +# define MOD63(a) \ + do { /* this assumes a is not negative */ \ + z_off64_t tmp = a >> 32; \ + a &= 0xffffffffL; \ + a += (tmp << 8) - (tmp << 5) + tmp; \ + tmp = a >> 16; \ + a &= 0xffffL; \ + a += (tmp << 4) - tmp; \ + tmp = a >> 16; \ + a &= 0xffffL; \ + a += (tmp << 4) - tmp; \ if (a >= BASE) a -= BASE; \ } while (0) #else # define MOD(a) a %= BASE -# define MOD4(a) a %= BASE +# define MOD28(a) a %= BASE +# define MOD63(a) a %= BASE #endif /* ========================================================================= */ @@ -92,7 +97,7 @@ uLong ZEXPORT adler32(adler, buf, len) } if (adler >= BASE) adler -= BASE; - MOD4(sum2); /* only added so many BASE's */ + MOD28(sum2); /* only added so many BASE's */ return adler | (sum2 << 16); } @@ -137,8 +142,13 @@ local uLong adler32_combine_(adler1, adler2, len2) unsigned long sum2; unsigned rem; + /* for negative len, return invalid adler32 as a clue for debugging */ + if (len2 < 0) + return 0xffffffffUL; + /* the derivation of this formula is left as an exercise for the reader */ - rem = (unsigned)(len2 % BASE); + MOD63(len2); /* assumes len2 >= 0 */ + rem = (unsigned)len2; sum1 = adler1 & 0xffff; sum2 = rem * sum1; MOD(sum2); diff --git a/Modules/zlib/algorithm.txt b/Modules/zlib/algorithm.txt index b022dde312..c97f495020 100644 --- a/Modules/zlib/algorithm.txt +++ b/Modules/zlib/algorithm.txt @@ -121,7 +121,7 @@ At least for deflate's output that generates new trees every several 10's of kbytes. You can imagine that filling in a 2^15 entry table for a 15-bit code would take too long if you're only decoding several thousand symbols. At the other extreme, you could make a new table for every bit in the code. In fact, -that's essentially a Huffman tree. But then you spend two much time +that's essentially a Huffman tree. But then you spend too much time traversing the tree while decoding, even for short symbols. So the number of bits for the first lookup table is a trade of the time to @@ -206,4 +206,4 @@ Compression,'' IEEE Transactions on Information Theory, Vol. 23, No. 3, pp. 337-343. ``DEFLATE Compressed Data Format Specification'' available in -http://www.ietf.org/rfc/rfc1951.txt +http://tools.ietf.org/html/rfc1951 diff --git a/Modules/zlib/compress.c b/Modules/zlib/compress.c index ea4dfbe9d7..6e9762676a 100644 --- a/Modules/zlib/compress.c +++ b/Modules/zlib/compress.c @@ -29,7 +29,7 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level) z_stream stream; int err; - stream.next_in = (Bytef*)source; + stream.next_in = (z_const Bytef *)source; stream.avail_in = (uInt)sourceLen; #ifdef MAXSEG_64K /* Check for source > 64K on 16-bit machine: */ diff --git a/Modules/zlib/configure b/Modules/zlib/configure index bd9edd26cd..b77a8a8cf9 100755 --- a/Modules/zlib/configure +++ b/Modules/zlib/configure @@ -13,39 +13,52 @@ # If you have problems, try without defining CC and CFLAGS before reporting # an error. +# start off configure.log +echo -------------------- >> configure.log +echo $0 $* >> configure.log +date >> configure.log + +# set command prefix for cross-compilation if [ -n "${CHOST}" ]; then - uname="$(echo "${CHOST}" | sed -e 's/^[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)-.*$/\1/')" + uname="`echo "${CHOST}" | sed -e 's/^[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)-.*$/\1/'`" CROSS_PREFIX="${CHOST}-" fi +# destination name for static library STATICLIB=libz.a -LDFLAGS="${LDFLAGS} -L. ${STATICLIB}" + +# extract zlib version numbers from zlib.h VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h` VER3=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\\.[0-9]*\).*/\1/p' < zlib.h` VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < zlib.h` VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < zlib.h` + +# establish commands for library building if "${CROSS_PREFIX}ar" --version >/dev/null 2>/dev/null || test $? -lt 126; then AR=${AR-"${CROSS_PREFIX}ar"} - test -n "${CROSS_PREFIX}" && echo Using ${AR} + test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log else AR=${AR-"ar"} - test -n "${CROSS_PREFIX}" && echo Using ${AR} + test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log fi -AR_RC="${AR} rc" +ARFLAGS=${ARFLAGS-"rc"} if "${CROSS_PREFIX}ranlib" --version >/dev/null 2>/dev/null || test $? -lt 126; then RANLIB=${RANLIB-"${CROSS_PREFIX}ranlib"} - test -n "${CROSS_PREFIX}" && echo Using ${RANLIB} + test -n "${CROSS_PREFIX}" && echo Using ${RANLIB} | tee -a configure.log else RANLIB=${RANLIB-"ranlib"} fi if "${CROSS_PREFIX}nm" --version >/dev/null 2>/dev/null || test $? -lt 126; then NM=${NM-"${CROSS_PREFIX}nm"} - test -n "${CROSS_PREFIX}" && echo Using ${NM} + test -n "${CROSS_PREFIX}" && echo Using ${NM} | tee -a configure.log else NM=${NM-"nm"} fi + +# set defaults before processing command line options LDCONFIG=${LDCONFIG-"ldconfig"} LDSHAREDLIBC="${LDSHAREDLIBC--lc}" +ARCHS= prefix=${prefix-/usr/local} exec_prefix=${exec_prefix-'${prefix}'} libdir=${libdir-'${exec_prefix}/lib'} @@ -54,20 +67,39 @@ includedir=${includedir-'${prefix}/include'} mandir=${mandir-'${prefix}/share/man'} shared_ext='.so' shared=1 +solo=0 +cover=0 zprefix=0 +zconst=0 build64=0 gcc=0 old_cc="$CC" old_cflags="$CFLAGS" +OBJC='$(OBJZ) $(OBJG)' +PIC_OBJC='$(PIC_OBJZ) $(PIC_OBJG)' + +# leave this script, optionally in a bad way +leave() +{ + if test "$*" != "0"; then + echo "** $0 aborting." | tee -a configure.log + fi + rm -f $test.[co] $test $test$shared_ext $test.gcno ./--version + echo -------------------- >> configure.log + echo >> configure.log + echo >> configure.log + exit $1 +} +# process command line options while test $# -ge 1 do case "$1" in -h* | --help) - echo 'usage:' - echo ' configure [--zprefix] [--prefix=PREFIX] [--eprefix=EXPREFIX]' - echo ' [--static] [--64] [--libdir=LIBDIR] [--sharedlibdir=LIBDIR]' - echo ' [--includedir=INCLUDEDIR]' + echo 'usage:' | tee -a configure.log + echo ' configure [--const] [--zprefix] [--prefix=PREFIX] [--eprefix=EXPREFIX]' | tee -a configure.log + echo ' [--static] [--64] [--libdir=LIBDIR] [--sharedlibdir=LIBDIR]' | tee -a configure.log + echo ' [--includedir=INCLUDEDIR] [--archs="-arch i386 -arch x86_64"]' | tee -a configure.log exit 0 ;; -p*=* | --prefix=*) prefix=`echo $1 | sed 's/.*=//'`; shift ;; -e*=* | --eprefix=*) exec_prefix=`echo $1 | sed 's/.*=//'`; shift ;; @@ -81,51 +113,88 @@ case "$1" in -i* | --includedir) includedir="$2"; shift; shift ;; -s* | --shared | --enable-shared) shared=1; shift ;; -t | --static) shared=0; shift ;; + --solo) solo=1; shift ;; + --cover) cover=1; shift ;; -z* | --zprefix) zprefix=1; shift ;; -6* | --64) build64=1; shift ;; - --sysconfdir=*) echo "ignored option: --sysconfdir"; shift ;; - --localstatedir=*) echo "ignored option: --localstatedir"; shift ;; - *) echo "unknown option: $1"; echo "$0 --help for help"; exit 1 ;; + -a*=* | --archs=*) ARCHS=`echo $1 | sed 's/.*=//'`; shift ;; + --sysconfdir=*) echo "ignored option: --sysconfdir" | tee -a configure.log; shift ;; + --localstatedir=*) echo "ignored option: --localstatedir" | tee -a configure.log; shift ;; + -c* | --const) zconst=1; shift ;; + *) + echo "unknown option: $1" | tee -a configure.log + echo "$0 --help for help" | tee -a configure.log + leave 1;; esac done +# temporary file name test=ztest$$ + +# put arguments in log, also put test file in log if used in arguments +show() +{ + case "$*" in + *$test.c*) + echo === $test.c === >> configure.log + cat $test.c >> configure.log + echo === >> configure.log;; + esac + echo $* >> configure.log +} + +# check for gcc vs. cc and set compile and link flags based on the system identified by uname cat > $test.c <<EOF extern int getchar(); int hello() {return getchar();} EOF -test -z "$CC" && echo Checking for ${CROSS_PREFIX}gcc... +test -z "$CC" && echo Checking for ${CROSS_PREFIX}gcc... | tee -a configure.log cc=${CC-${CROSS_PREFIX}gcc} cflags=${CFLAGS-"-O3"} # to force the asm version use: CFLAGS="-O3 -DASMV" ./configure case "$cc" in *gcc*) gcc=1 ;; + *clang*) gcc=1 ;; +esac +case `$cc -v 2>&1` in + *gcc*) gcc=1 ;; esac -if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then +show $cc -c $test.c +if test "$gcc" -eq 1 && ($cc -c $test.c) >> configure.log 2>&1; then + echo ... using gcc >> configure.log CC="$cc" + CFLAGS="${CFLAGS--O3} ${ARCHS}" SFLAGS="${CFLAGS--O3} -fPIC" - CFLAGS="${CFLAGS--O3}" + LDFLAGS="${LDFLAGS} ${ARCHS}" if test $build64 -eq 1; then CFLAGS="${CFLAGS} -m64" SFLAGS="${SFLAGS} -m64" fi if test "${ZLIBGCCWARN}" = "YES"; then - CFLAGS="${CFLAGS} -Wall -Wextra -pedantic" + if test "$zconst" -eq 1; then + CFLAGS="${CFLAGS} -Wall -Wextra -Wcast-qual -pedantic -DZLIB_CONST" + else + CFLAGS="${CFLAGS} -Wall -Wextra -pedantic" + fi fi if test -z "$uname"; then uname=`(uname -s || echo unknown) 2>/dev/null` fi case "$uname" in - Linux* | linux* | GNU | GNU/* | *BSD | DragonFly) LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"} ;; + Linux* | linux* | GNU | GNU/* | solaris*) + LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"} ;; + *BSD | *bsd* | DragonFly) + LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"} + LDCONFIG="ldconfig -m" ;; CYGWIN* | Cygwin* | cygwin* | OS/2*) EXE='.exe' ;; - MINGW*|mingw*) + MINGW* | mingw*) # temporary bypass rm -f $test.[co] $test $test$shared_ext - echo "Please use win32/Makefile.gcc instead." - exit 1 + echo "Please use win32/Makefile.gcc instead." | tee -a configure.log + leave 1 LDSHARED=${LDSHARED-"$cc -shared"} LDSHAREDLIBC="" EXE='.exe' ;; @@ -142,17 +211,25 @@ if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then shared_ext='.sl' SHAREDLIB='libz.sl' ;; esac ;; - Darwin*) shared_ext='.dylib' + Darwin* | darwin*) + shared_ext='.dylib' SHAREDLIB=libz$shared_ext SHAREDLIBV=libz.$VER$shared_ext SHAREDLIBM=libz.$VER1$shared_ext - LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"} ;; + LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"} + if libtool -V 2>&1 | grep Apple > /dev/null; then + AR="libtool" + else + AR="/usr/bin/libtool" + fi + ARFLAGS="-o" ;; *) LDSHARED=${LDSHARED-"$cc -shared"} ;; esac else # find system name and corresponding cc options CC=${CC-cc} gcc=0 + echo ... using $CC >> configure.log if test -z "$uname"; then uname=`(uname -sr || echo unknown) 2>/dev/null` fi @@ -183,19 +260,34 @@ else CFLAGS=${CFLAGS-"-4 -O"} LDSHARED=${LDSHARED-"cc"} RANLIB=${RANLIB-"true"} - AR_RC="cc -A" ;; + AR="cc" + ARFLAGS="-A" ;; SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "} CFLAGS=${CFLAGS-"-O3"} LDSHARED=${LDSHARED-"cc -dy -KPIC -G"} ;; - SunOS\ 5*) LDSHARED=${LDSHARED-"cc -G"} - case `(uname -m || echo unknown) 2>/dev/null` in - i86*) - SFLAGS=${CFLAGS-"-xpentium -fast -KPIC -R."} - CFLAGS=${CFLAGS-"-xpentium -fast"} ;; - *) - SFLAGS=${CFLAGS-"-fast -xcg92 -KPIC -R."} - CFLAGS=${CFLAGS-"-fast -xcg92"} ;; - esac ;; + SunOS\ 5* | solaris*) + LDSHARED=${LDSHARED-"cc -G -h libz$shared_ext.$VER1"} + SFLAGS=${CFLAGS-"-fast -KPIC"} + CFLAGS=${CFLAGS-"-fast"} + if test $build64 -eq 1; then + # old versions of SunPRO/Workshop/Studio don't support -m64, + # but newer ones do. Check for it. + flag64=`$CC -flags | egrep -- '^-m64'` + if test x"$flag64" != x"" ; then + CFLAGS="${CFLAGS} -m64" + SFLAGS="${SFLAGS} -m64" + else + case `(uname -m || echo unknown) 2>/dev/null` in + i86*) + SFLAGS="$SFLAGS -xarch=amd64" + CFLAGS="$CFLAGS -xarch=amd64" ;; + *) + SFLAGS="$SFLAGS -xarch=v9" + CFLAGS="$CFLAGS -xarch=v9" ;; + esac + fi + fi + ;; SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"} CFLAGS=${CFLAGS-"-O2"} LDSHARED=${LDSHARED-"ld"} ;; @@ -225,25 +317,79 @@ else esac fi +# destination names for shared library if not defined above SHAREDLIB=${SHAREDLIB-"libz$shared_ext"} SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"} SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"} +echo >> configure.log + +# define functions for testing compiler and library characteristics and logging the results + +cat > $test.c <<EOF +#error error +EOF +if ($CC -c $CFLAGS $test.c) 2>/dev/null; then + try() + { + show $* + test "`( $* ) 2>&1 | tee -a configure.log`" = "" + } + echo - using any output from compiler to indicate an error >> configure.log +else +try() +{ + show $* + ( $* ) >> configure.log 2>&1 + ret=$? + if test $ret -ne 0; then + echo "(exit code "$ret")" >> configure.log + fi + return $ret +} +fi + +tryboth() +{ + show $* + got=`( $* ) 2>&1` + ret=$? + printf %s "$got" >> configure.log + if test $ret -ne 0; then + return $ret + fi + test "$got" = "" +} + +cat > $test.c << EOF +int foo() { return 0; } +EOF +echo "Checking for obsessive-compulsive compiler options..." >> configure.log +if try $CC -c $CFLAGS $test.c; then + : +else + echo "Compiler error reporting is too harsh for $0 (perhaps remove -Werror)." | tee -a configure.log + leave 1 +fi + +echo >> configure.log + +# see if shared library build supported +cat > $test.c <<EOF +extern int getchar(); +int hello() {return getchar();} +EOF if test $shared -eq 1; then - echo Checking for shared library support... + echo Checking for shared library support... | tee -a configure.log # we must test in two steps (cc then ld), required at least on SunOS 4.x - if test "`($CC -w -c $SFLAGS $test.c) 2>&1`" = "" && - test "`($LDSHARED $SFLAGS -o $test$shared_ext $test.o) 2>&1`" = ""; then - echo Building shared library $SHAREDLIBV with $CC. + if try $CC -w -c $SFLAGS $test.c && + try $LDSHARED $SFLAGS -o $test$shared_ext $test.o; then + echo Building shared library $SHAREDLIBV with $CC. | tee -a configure.log elif test -z "$old_cc" -a -z "$old_cflags"; then - echo No shared library support. + echo No shared library support. | tee -a configure.log shared=0; else - echo Tested $CC -w -c $SFLAGS $test.c - $CC -w -c $SFLAGS $test.c - echo Tested $LDSHARED $SFLAGS -o $test$shared_ext $test.o - $LDSHARED $SFLAGS -o $test$shared_ext $test.o - echo 'No shared library support; try without defining CC and CFLAGS' + echo 'No shared library support; try without defining CC and CFLAGS' | tee -a configure.log shared=0; fi fi @@ -254,25 +400,43 @@ if test $shared -eq 0; then SHAREDLIB="" SHAREDLIBV="" SHAREDLIBM="" - echo Building static library $STATICLIB version $VER with $CC. + echo Building static library $STATICLIB version $VER with $CC. | tee -a configure.log else ALL="static shared" TEST="all teststatic testshared" fi +# check for underscores in external names for use by assembler code +CPP=${CPP-"$CC -E"} +case $CFLAGS in + *ASMV*) + echo >> configure.log + show "$NM $test.o | grep _hello" + if test "`$NM $test.o | grep _hello | tee -a configure.log`" = ""; then + CPP="$CPP -DNO_UNDERLINE" + echo Checking for underline in external names... No. | tee -a configure.log + else + echo Checking for underline in external names... Yes. | tee -a configure.log + fi ;; +esac + +echo >> configure.log + +# check for large file support, and if none, check for fseeko() cat > $test.c <<EOF #include <sys/types.h> off64_t dummy = 0; EOF -if test "`($CC -c $CFLAGS -D_LARGEFILE64_SOURCE=1 $test.c) 2>&1`" = ""; then +if try $CC -c $CFLAGS -D_LARGEFILE64_SOURCE=1 $test.c; then CFLAGS="${CFLAGS} -D_LARGEFILE64_SOURCE=1" SFLAGS="${SFLAGS} -D_LARGEFILE64_SOURCE=1" ALL="${ALL} all64" TEST="${TEST} test64" - echo "Checking for off64_t... Yes." - echo "Checking for fseeko... Yes." + echo "Checking for off64_t... Yes." | tee -a configure.log + echo "Checking for fseeko... Yes." | tee -a configure.log else - echo "Checking for off64_t... No." + echo "Checking for off64_t... No." | tee -a configure.log + echo >> configure.log cat > $test.c <<EOF #include <stdio.h> int main(void) { @@ -280,272 +444,335 @@ int main(void) { return 0; } EOF - if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then - echo "Checking for fseeko... Yes." + if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for fseeko... Yes." | tee -a configure.log else CFLAGS="${CFLAGS} -DNO_FSEEKO" SFLAGS="${SFLAGS} -DNO_FSEEKO" - echo "Checking for fseeko... No." + echo "Checking for fseeko... No." | tee -a configure.log fi fi +echo >> configure.log + +# check for strerror() for use by gz* functions +cat > $test.c <<EOF +#include <string.h> +#include <errno.h> +int main() { return strlen(strerror(errno)); } +EOF +if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for strerror... Yes." | tee -a configure.log +else + CFLAGS="${CFLAGS} -DNO_STRERROR" + SFLAGS="${SFLAGS} -DNO_STRERROR" + echo "Checking for strerror... No." | tee -a configure.log +fi + +# copy clean zconf.h for subsequent edits cp -p zconf.h.in zconf.h +echo >> configure.log + +# check for unistd.h and save result in zconf.h cat > $test.c <<EOF #include <unistd.h> int main() { return 0; } EOF -if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then +if try $CC -c $CFLAGS $test.c; then sed < zconf.h "/^#ifdef HAVE_UNISTD_H.* may be/s/def HAVE_UNISTD_H\(.*\) may be/ 1\1 was/" > zconf.temp.h mv zconf.temp.h zconf.h - echo "Checking for unistd.h... Yes." + echo "Checking for unistd.h... Yes." | tee -a configure.log +else + echo "Checking for unistd.h... No." | tee -a configure.log +fi + +echo >> configure.log + +# check for stdarg.h and save result in zconf.h +cat > $test.c <<EOF +#include <stdarg.h> +int main() { return 0; } +EOF +if try $CC -c $CFLAGS $test.c; then + sed < zconf.h "/^#ifdef HAVE_STDARG_H.* may be/s/def HAVE_STDARG_H\(.*\) may be/ 1\1 was/" > zconf.temp.h + mv zconf.temp.h zconf.h + echo "Checking for stdarg.h... Yes." | tee -a configure.log else - echo "Checking for unistd.h... No." + echo "Checking for stdarg.h... No." | tee -a configure.log fi +# if the z_ prefix was requested, save that in zconf.h if test $zprefix -eq 1; then sed < zconf.h "/#ifdef Z_PREFIX.* may be/s/def Z_PREFIX\(.*\) may be/ 1\1 was/" > zconf.temp.h mv zconf.temp.h zconf.h - echo "Using z_ prefix on all symbols." + echo >> configure.log + echo "Using z_ prefix on all symbols." | tee -a configure.log fi +# if --solo compilation was requested, save that in zconf.h and remove gz stuff from object lists +if test $solo -eq 1; then + sed '/#define ZCONF_H/a\ +#define Z_SOLO + +' < zconf.h > zconf.temp.h + mv zconf.temp.h zconf.h +OBJC='$(OBJZ)' +PIC_OBJC='$(PIC_OBJZ)' +fi + +# if code coverage testing was requested, use older gcc if defined, e.g. "gcc-4.2" on Mac OS X +if test $cover -eq 1; then + CFLAGS="${CFLAGS} -fprofile-arcs -ftest-coverage" + if test -n "$GCC_CLASSIC"; then + CC=$GCC_CLASSIC + fi +fi + +echo >> configure.log + +# conduct a series of tests to resolve eight possible cases of using "vs" or "s" printf functions +# (using stdarg or not), with or without "n" (proving size of buffer), and with or without a +# return value. The most secure result is vsnprintf() with a return value. snprintf() with a +# return value is secure as well, but then gzprintf() will be limited to 20 arguments. cat > $test.c <<EOF #include <stdio.h> #include <stdarg.h> #include "zconf.h" - int main() { #ifndef STDC choke me #endif - return 0; } EOF +if try $CC -c $CFLAGS $test.c; then + echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." | tee -a configure.log -if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then - echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." - + echo >> configure.log cat > $test.c <<EOF #include <stdio.h> #include <stdarg.h> - int mytest(const char *fmt, ...) { char buf[20]; va_list ap; - va_start(ap, fmt); vsnprintf(buf, sizeof(buf), fmt, ap); va_end(ap); return 0; } - int main() { return (mytest("Hello%d\n", 1)); } EOF + if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for vsnprintf() in stdio.h... Yes." | tee -a configure.log - if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then - echo "Checking for vsnprintf() in stdio.h... Yes." - + echo >> configure.log cat >$test.c <<EOF #include <stdio.h> #include <stdarg.h> - int mytest(const char *fmt, ...) { int n; char buf[20]; va_list ap; - va_start(ap, fmt); n = vsnprintf(buf, sizeof(buf), fmt, ap); va_end(ap); return n; } - int main() { return (mytest("Hello%d\n", 1)); } EOF - if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then - echo "Checking for return value of vsnprintf()... Yes." + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of vsnprintf()... Yes." | tee -a configure.log else CFLAGS="$CFLAGS -DHAS_vsnprintf_void" SFLAGS="$SFLAGS -DHAS_vsnprintf_void" - echo "Checking for return value of vsnprintf()... No." - echo " WARNING: apparently vsnprintf() does not return a value. zlib" - echo " can build but will be open to possible string-format security" - echo " vulnerabilities." + echo "Checking for return value of vsnprintf()... No." | tee -a configure.log + echo " WARNING: apparently vsnprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log fi else CFLAGS="$CFLAGS -DNO_vsnprintf" SFLAGS="$SFLAGS -DNO_vsnprintf" - echo "Checking for vsnprintf() in stdio.h... No." - echo " WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" - echo " can build but will be open to possible buffer-overflow security" - echo " vulnerabilities." + echo "Checking for vsnprintf() in stdio.h... No." | tee -a configure.log + echo " WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" | tee -a configure.log + echo " can build but will be open to possible buffer-overflow security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + echo >> configure.log cat >$test.c <<EOF #include <stdio.h> #include <stdarg.h> - int mytest(const char *fmt, ...) { int n; char buf[20]; va_list ap; - va_start(ap, fmt); n = vsprintf(buf, fmt, ap); va_end(ap); return n; } - int main() { return (mytest("Hello%d\n", 1)); } EOF - if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then - echo "Checking for return value of vsprintf()... Yes." + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of vsprintf()... Yes." | tee -a configure.log else CFLAGS="$CFLAGS -DHAS_vsprintf_void" SFLAGS="$SFLAGS -DHAS_vsprintf_void" - echo "Checking for return value of vsprintf()... No." - echo " WARNING: apparently vsprintf() does not return a value. zlib" - echo " can build but will be open to possible string-format security" - echo " vulnerabilities." + echo "Checking for return value of vsprintf()... No." | tee -a configure.log + echo " WARNING: apparently vsprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log fi fi else - echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." + echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." | tee -a configure.log + echo >> configure.log cat >$test.c <<EOF #include <stdio.h> - int mytest() { char buf[20]; - snprintf(buf, sizeof(buf), "%s", "foo"); return 0; } - int main() { return (mytest()); } EOF - if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then - echo "Checking for snprintf() in stdio.h... Yes." + if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for snprintf() in stdio.h... Yes." | tee -a configure.log + echo >> configure.log cat >$test.c <<EOF #include <stdio.h> - int mytest() { char buf[20]; - return snprintf(buf, sizeof(buf), "%s", "foo"); } - int main() { return (mytest()); } EOF - if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then - echo "Checking for return value of snprintf()... Yes." + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of snprintf()... Yes." | tee -a configure.log else CFLAGS="$CFLAGS -DHAS_snprintf_void" SFLAGS="$SFLAGS -DHAS_snprintf_void" - echo "Checking for return value of snprintf()... No." - echo " WARNING: apparently snprintf() does not return a value. zlib" - echo " can build but will be open to possible string-format security" - echo " vulnerabilities." + echo "Checking for return value of snprintf()... No." | tee -a configure.log + echo " WARNING: apparently snprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log fi else CFLAGS="$CFLAGS -DNO_snprintf" SFLAGS="$SFLAGS -DNO_snprintf" - echo "Checking for snprintf() in stdio.h... No." - echo " WARNING: snprintf() not found, falling back to sprintf(). zlib" - echo " can build but will be open to possible buffer-overflow security" - echo " vulnerabilities." + echo "Checking for snprintf() in stdio.h... No." | tee -a configure.log + echo " WARNING: snprintf() not found, falling back to sprintf(). zlib" | tee -a configure.log + echo " can build but will be open to possible buffer-overflow security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + echo >> configure.log cat >$test.c <<EOF #include <stdio.h> - int mytest() { char buf[20]; - return sprintf(buf, "%s", "foo"); } - int main() { return (mytest()); } EOF - if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then - echo "Checking for return value of sprintf()... Yes." + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of sprintf()... Yes." | tee -a configure.log else CFLAGS="$CFLAGS -DHAS_sprintf_void" SFLAGS="$SFLAGS -DHAS_sprintf_void" - echo "Checking for return value of sprintf()... No." - echo " WARNING: apparently sprintf() does not return a value. zlib" - echo " can build but will be open to possible string-format security" - echo " vulnerabilities." + echo "Checking for return value of sprintf()... No." | tee -a configure.log + echo " WARNING: apparently sprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log fi fi fi +# see if we can hide zlib internal symbols that are linked between separate source files if test "$gcc" -eq 1; then + echo >> configure.log cat > $test.c <<EOF -#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) -# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) -#else -# define ZLIB_INTERNAL -#endif +#define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) int ZLIB_INTERNAL foo; int main() { return 0; } EOF - if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then - echo "Checking for attribute(visibility) support... Yes." + if tryboth $CC -c $CFLAGS $test.c; then + CFLAGS="$CFLAGS -DHAVE_HIDDEN" + SFLAGS="$SFLAGS -DHAVE_HIDDEN" + echo "Checking for attribute(visibility) support... Yes." | tee -a configure.log else - CFLAGS="$CFLAGS -DNO_VIZ" - SFLAGS="$SFLAGS -DNO_VIZ" - echo "Checking for attribute(visibility) support... No." + echo "Checking for attribute(visibility) support... No." | tee -a configure.log fi fi -CPP=${CPP-"$CC -E"} -case $CFLAGS in - *ASMV*) - if test "`$NM $test.o | grep _hello`" = ""; then - CPP="$CPP -DNO_UNDERLINE" - echo Checking for underline in external names... No. - else - echo Checking for underline in external names... Yes. - fi ;; -esac - -rm -f $test.[co] $test $test$shared_ext - -# udpate Makefile +# show the results in the log +echo >> configure.log +echo ALL = $ALL >> configure.log +echo AR = $AR >> configure.log +echo ARFLAGS = $ARFLAGS >> configure.log +echo CC = $CC >> configure.log +echo CFLAGS = $CFLAGS >> configure.log +echo CPP = $CPP >> configure.log +echo EXE = $EXE >> configure.log +echo LDCONFIG = $LDCONFIG >> configure.log +echo LDFLAGS = $LDFLAGS >> configure.log +echo LDSHARED = $LDSHARED >> configure.log +echo LDSHAREDLIBC = $LDSHAREDLIBC >> configure.log +echo OBJC = $OBJC >> configure.log +echo PIC_OBJC = $PIC_OBJC >> configure.log +echo RANLIB = $RANLIB >> configure.log +echo SFLAGS = $SFLAGS >> configure.log +echo SHAREDLIB = $SHAREDLIB >> configure.log +echo SHAREDLIBM = $SHAREDLIBM >> configure.log +echo SHAREDLIBV = $SHAREDLIBV >> configure.log +echo STATICLIB = $STATICLIB >> configure.log +echo TEST = $TEST >> configure.log +echo VER = $VER >> configure.log +echo Z_U4 = $Z_U4 >> configure.log +echo exec_prefix = $exec_prefix >> configure.log +echo includedir = $includedir >> configure.log +echo libdir = $libdir >> configure.log +echo mandir = $mandir >> configure.log +echo prefix = $prefix >> configure.log +echo sharedlibdir = $sharedlibdir >> configure.log +echo uname = $uname >> configure.log + +# udpate Makefile with the configure results sed < Makefile.in " /^CC *=/s#=.*#=$CC# /^CFLAGS *=/s#=.*#=$CFLAGS# @@ -557,7 +784,8 @@ sed < Makefile.in " /^SHAREDLIB *=/s#=.*#=$SHAREDLIB# /^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# /^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# -/^AR *=/s#=.*#=$AR_RC# +/^AR *=/s#=.*#=$AR# +/^ARFLAGS *=/s#=.*#=$ARFLAGS# /^RANLIB *=/s#=.*#=$RANLIB# /^LDCONFIG *=/s#=.*#=$LDCONFIG# /^LDSHAREDLIBC *=/s#=.*#=$LDSHAREDLIBC# @@ -568,10 +796,13 @@ sed < Makefile.in " /^sharedlibdir *=/s#=.*#=$sharedlibdir# /^includedir *=/s#=.*#=$includedir# /^mandir *=/s#=.*#=$mandir# +/^OBJC *=/s#=.*#= $OBJC# +/^PIC_OBJC *=/s#=.*#= $PIC_OBJC# /^all: */s#:.*#: $ALL# /^test: */s#:.*#: $TEST# " > Makefile +# create zlib.pc with the configure results sed < zlib.pc.in " /^CC *=/s#=.*#=$CC# /^CFLAGS *=/s#=.*#=$CFLAGS# @@ -581,7 +812,8 @@ sed < zlib.pc.in " /^SHAREDLIB *=/s#=.*#=$SHAREDLIB# /^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# /^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# -/^AR *=/s#=.*#=$AR_RC# +/^AR *=/s#=.*#=$AR# +/^ARFLAGS *=/s#=.*#=$ARFLAGS# /^RANLIB *=/s#=.*#=$RANLIB# /^EXE *=/s#=.*#=$EXE# /^prefix *=/s#=.*#=$prefix# @@ -594,3 +826,6 @@ sed < zlib.pc.in " " | sed -e " s/\@VERSION\@/$VER/g; " > zlib.pc + +# done +leave 0 diff --git a/Modules/zlib/crc32.c b/Modules/zlib/crc32.c index 91be372d22..979a7190a3 100644 --- a/Modules/zlib/crc32.c +++ b/Modules/zlib/crc32.c @@ -1,5 +1,5 @@ /* crc32.c -- compute the CRC-32 of a data stream - * Copyright (C) 1995-2006, 2010 Mark Adler + * Copyright (C) 1995-2006, 2010, 2011, 2012 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h * * Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster @@ -17,6 +17,8 @@ of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should first call get_crc_table() to initialize the tables before allowing more than one thread to use crc32(). + + DYNAMIC_CRC_TABLE and MAKECRCH can be #defined to write out crc32.h. */ #ifdef MAKECRCH @@ -30,31 +32,11 @@ #define local static -/* Find a four-byte integer type for crc32_little() and crc32_big(). */ -#ifndef NOBYFOUR -# ifdef STDC /* need ANSI C limits.h to determine sizes */ -# include <limits.h> -# define BYFOUR -# if (UINT_MAX == 0xffffffffUL) - typedef unsigned int u4; -# else -# if (ULONG_MAX == 0xffffffffUL) - typedef unsigned long u4; -# else -# if (USHRT_MAX == 0xffffffffUL) - typedef unsigned short u4; -# else -# undef BYFOUR /* can't find a four-byte integer type! */ -# endif -# endif -# endif -# endif /* STDC */ -#endif /* !NOBYFOUR */ - /* Definitions for doing the crc four data bytes at a time. */ +#if !defined(NOBYFOUR) && defined(Z_U4) +# define BYFOUR +#endif #ifdef BYFOUR -# define REV(w) ((((w)>>24)&0xff)+(((w)>>8)&0xff00)+ \ - (((w)&0xff00)<<8)+(((w)&0xff)<<24)) local unsigned long crc32_little OF((unsigned long, const unsigned char FAR *, unsigned)); local unsigned long crc32_big OF((unsigned long, @@ -68,16 +50,16 @@ local unsigned long gf2_matrix_times OF((unsigned long *mat, unsigned long vec)); local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat)); -local uLong crc32_combine_(uLong crc1, uLong crc2, z_off64_t len2); +local uLong crc32_combine_ OF((uLong crc1, uLong crc2, z_off64_t len2)); #ifdef DYNAMIC_CRC_TABLE local volatile int crc_table_empty = 1; -local unsigned long FAR crc_table[TBLS][256]; +local z_crc_t FAR crc_table[TBLS][256]; local void make_crc_table OF((void)); #ifdef MAKECRCH - local void write_table OF((FILE *, const unsigned long FAR *)); + local void write_table OF((FILE *, const z_crc_t FAR *)); #endif /* MAKECRCH */ /* Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: @@ -107,9 +89,9 @@ local void make_crc_table OF((void)); */ local void make_crc_table() { - unsigned long c; + z_crc_t c; int n, k; - unsigned long poly; /* polynomial exclusive-or pattern */ + z_crc_t poly; /* polynomial exclusive-or pattern */ /* terms of polynomial defining this crc (except x^32): */ static volatile int first = 1; /* flag to limit concurrent making */ static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26}; @@ -121,13 +103,13 @@ local void make_crc_table() first = 0; /* make exclusive-or pattern from polynomial (0xedb88320UL) */ - poly = 0UL; - for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++) - poly |= 1UL << (31 - p[n]); + poly = 0; + for (n = 0; n < (int)(sizeof(p)/sizeof(unsigned char)); n++) + poly |= (z_crc_t)1 << (31 - p[n]); /* generate a crc for every 8-bit value */ for (n = 0; n < 256; n++) { - c = (unsigned long)n; + c = (z_crc_t)n; for (k = 0; k < 8; k++) c = c & 1 ? poly ^ (c >> 1) : c >> 1; crc_table[0][n] = c; @@ -138,11 +120,11 @@ local void make_crc_table() and then the byte reversal of those as well as the first table */ for (n = 0; n < 256; n++) { c = crc_table[0][n]; - crc_table[4][n] = REV(c); + crc_table[4][n] = ZSWAP32(c); for (k = 1; k < 4; k++) { c = crc_table[0][c & 0xff] ^ (c >> 8); crc_table[k][n] = c; - crc_table[k + 4][n] = REV(c); + crc_table[k + 4][n] = ZSWAP32(c); } } #endif /* BYFOUR */ @@ -164,7 +146,7 @@ local void make_crc_table() if (out == NULL) return; fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n"); fprintf(out, " * Generated automatically by crc32.c\n */\n\n"); - fprintf(out, "local const unsigned long FAR "); + fprintf(out, "local const z_crc_t FAR "); fprintf(out, "crc_table[TBLS][256] =\n{\n {\n"); write_table(out, crc_table[0]); # ifdef BYFOUR @@ -184,12 +166,13 @@ local void make_crc_table() #ifdef MAKECRCH local void write_table(out, table) FILE *out; - const unsigned long FAR *table; + const z_crc_t FAR *table; { int n; for (n = 0; n < 256; n++) - fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : " ", table[n], + fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : " ", + (unsigned long)(table[n]), n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", ")); } #endif /* MAKECRCH */ @@ -204,13 +187,13 @@ local void write_table(out, table) /* ========================================================================= * This function can be used by asm versions of crc32() */ -const unsigned long FAR * ZEXPORT get_crc_table() +const z_crc_t FAR * ZEXPORT get_crc_table() { #ifdef DYNAMIC_CRC_TABLE if (crc_table_empty) make_crc_table(); #endif /* DYNAMIC_CRC_TABLE */ - return (const unsigned long FAR *)crc_table; + return (const z_crc_t FAR *)crc_table; } /* ========================================================================= */ @@ -232,7 +215,7 @@ unsigned long ZEXPORT crc32(crc, buf, len) #ifdef BYFOUR if (sizeof(void *) == sizeof(ptrdiff_t)) { - u4 endian; + z_crc_t endian; endian = 1; if (*((unsigned char *)(&endian))) @@ -266,17 +249,17 @@ local unsigned long crc32_little(crc, buf, len) const unsigned char FAR *buf; unsigned len; { - register u4 c; - register const u4 FAR *buf4; + register z_crc_t c; + register const z_crc_t FAR *buf4; - c = (u4)crc; + c = (z_crc_t)crc; c = ~c; while (len && ((ptrdiff_t)buf & 3)) { c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8); len--; } - buf4 = (const u4 FAR *)(const void FAR *)buf; + buf4 = (const z_crc_t FAR *)(const void FAR *)buf; while (len >= 32) { DOLIT32; len -= 32; @@ -306,17 +289,17 @@ local unsigned long crc32_big(crc, buf, len) const unsigned char FAR *buf; unsigned len; { - register u4 c; - register const u4 FAR *buf4; + register z_crc_t c; + register const z_crc_t FAR *buf4; - c = REV((u4)crc); + c = ZSWAP32((z_crc_t)crc); c = ~c; while (len && ((ptrdiff_t)buf & 3)) { c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); len--; } - buf4 = (const u4 FAR *)(const void FAR *)buf; + buf4 = (const z_crc_t FAR *)(const void FAR *)buf; buf4--; while (len >= 32) { DOBIG32; @@ -333,7 +316,7 @@ local unsigned long crc32_big(crc, buf, len) c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); } while (--len); c = ~c; - return (unsigned long)(REV(c)); + return (unsigned long)(ZSWAP32(c)); } #endif /* BYFOUR */ diff --git a/Modules/zlib/crc32.h b/Modules/zlib/crc32.h index 8053b6117c..9e0c778102 100644 --- a/Modules/zlib/crc32.h +++ b/Modules/zlib/crc32.h @@ -2,7 +2,7 @@ * Generated automatically by crc32.c */ -local const unsigned long FAR crc_table[TBLS][256] = +local const z_crc_t FAR crc_table[TBLS][256] = { { 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, diff --git a/Modules/zlib/deflate.c b/Modules/zlib/deflate.c index bcef67cb95..696957705b 100644 --- a/Modules/zlib/deflate.c +++ b/Modules/zlib/deflate.c @@ -1,5 +1,5 @@ /* deflate.c -- compress data using the deflation algorithm - * Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler + * Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -37,7 +37,7 @@ * REFERENCES * * Deutsch, L.P.,"DEFLATE Compressed Data Format Specification". - * Available in http://www.ietf.org/rfc/rfc1951.txt + * Available in http://tools.ietf.org/html/rfc1951 * * A description of the Rabin and Karp algorithm is given in the book * "Algorithms" by R. Sedgewick, Addison-Wesley, p252. @@ -52,7 +52,7 @@ #include "deflate.h" const char deflate_copyright[] = - " deflate 1.2.5 Copyright 1995-2010 Jean-loup Gailly and Mark Adler "; + " deflate 1.2.8 Copyright 1995-2013 Jean-loup Gailly and Mark Adler "; /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot @@ -155,9 +155,12 @@ local const config configuration_table[10] = { struct static_tree_desc_s {int dummy;}; /* for buggy compilers */ #endif +/* rank Z_BLOCK between Z_NO_FLUSH and Z_PARTIAL_FLUSH */ +#define RANK(f) (((f) << 1) - ((f) > 4 ? 9 : 0)) + /* =========================================================================== * Update a hash value with the given input byte - * IN assertion: all calls to UPDATE_HASH are made with consecutive + * IN assertion: all calls to to UPDATE_HASH are made with consecutive * input characters, so that a running hash key can be computed from the * previous key instead of complete recalculation each time. */ @@ -170,7 +173,7 @@ struct static_tree_desc_s {int dummy;}; /* for buggy compilers */ * the previous length of the hash chain. * If this file is compiled with -DFASTEST, the compression level is forced * to 1, and no hash chains are maintained. - * IN assertion: all calls to INSERT_STRING are made with consecutive + * IN assertion: all calls to to INSERT_STRING are made with consecutive * input characters and the first MIN_MATCH bytes of str are valid * (except for the last MIN_MATCH-1 bytes of the input file). */ @@ -235,10 +238,19 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, strm->msg = Z_NULL; if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else strm->zalloc = zcalloc; strm->opaque = (voidpf)0; +#endif } - if (strm->zfree == (free_func)0) strm->zfree = zcfree; + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif #ifdef FASTEST if (level != 0) level = 1; @@ -293,7 +305,7 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || s->pending_buf == Z_NULL) { s->status = FINISH_STATE; - strm->msg = (char*)ERR_MSG(Z_MEM_ERROR); + strm->msg = ERR_MSG(Z_MEM_ERROR); deflateEnd (strm); return Z_MEM_ERROR; } @@ -314,43 +326,70 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) uInt dictLength; { deflate_state *s; - uInt length = dictLength; - uInt n; - IPos hash_head = 0; + uInt str, n; + int wrap; + unsigned avail; + z_const unsigned char *next; - if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL || - strm->state->wrap == 2 || - (strm->state->wrap == 1 && strm->state->status != INIT_STATE)) + if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL) return Z_STREAM_ERROR; - s = strm->state; - if (s->wrap) - strm->adler = adler32(strm->adler, dictionary, dictLength); + wrap = s->wrap; + if (wrap == 2 || (wrap == 1 && s->status != INIT_STATE) || s->lookahead) + return Z_STREAM_ERROR; - if (length < MIN_MATCH) return Z_OK; - if (length > s->w_size) { - length = s->w_size; - dictionary += dictLength - length; /* use the tail of the dictionary */ + /* when using zlib wrappers, compute Adler-32 for provided dictionary */ + if (wrap == 1) + strm->adler = adler32(strm->adler, dictionary, dictLength); + s->wrap = 0; /* avoid computing Adler-32 in read_buf */ + + /* if dictionary would fill window, just replace the history */ + if (dictLength >= s->w_size) { + if (wrap == 0) { /* already empty otherwise */ + CLEAR_HASH(s); + s->strstart = 0; + s->block_start = 0L; + s->insert = 0; + } + dictionary += dictLength - s->w_size; /* use the tail */ + dictLength = s->w_size; } - zmemcpy(s->window, dictionary, length); - s->strstart = length; - s->block_start = (long)length; - /* Insert all strings in the hash table (except for the last two bytes). - * s->lookahead stays null, so s->ins_h will be recomputed at the next - * call of fill_window. - */ - s->ins_h = s->window[0]; - UPDATE_HASH(s, s->ins_h, s->window[1]); - for (n = 0; n <= length - MIN_MATCH; n++) { - INSERT_STRING(s, n, hash_head); + /* insert dictionary into window and hash */ + avail = strm->avail_in; + next = strm->next_in; + strm->avail_in = dictLength; + strm->next_in = (z_const Bytef *)dictionary; + fill_window(s); + while (s->lookahead >= MIN_MATCH) { + str = s->strstart; + n = s->lookahead - (MIN_MATCH-1); + do { + UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); +#ifndef FASTEST + s->prev[str & s->w_mask] = s->head[s->ins_h]; +#endif + s->head[s->ins_h] = (Pos)str; + str++; + } while (--n); + s->strstart = str; + s->lookahead = MIN_MATCH-1; + fill_window(s); } - if (hash_head) hash_head = 0; /* to make compiler happy */ + s->strstart += s->lookahead; + s->block_start = (long)s->strstart; + s->insert = s->lookahead; + s->lookahead = 0; + s->match_length = s->prev_length = MIN_MATCH-1; + s->match_available = 0; + strm->next_in = next; + strm->avail_in = avail; + s->wrap = wrap; return Z_OK; } /* ========================================================================= */ -int ZEXPORT deflateReset (strm) +int ZEXPORT deflateResetKeep (strm) z_streamp strm; { deflate_state *s; @@ -380,12 +419,23 @@ int ZEXPORT deflateReset (strm) s->last_flush = Z_NO_FLUSH; _tr_init(s); - lm_init(s); return Z_OK; } /* ========================================================================= */ +int ZEXPORT deflateReset (strm) + z_streamp strm; +{ + int ret; + + ret = deflateResetKeep(strm); + if (ret == Z_OK) + lm_init(strm->state); + return ret; +} + +/* ========================================================================= */ int ZEXPORT deflateSetHeader (strm, head) z_streamp strm; gz_headerp head; @@ -397,14 +447,42 @@ int ZEXPORT deflateSetHeader (strm, head) } /* ========================================================================= */ +int ZEXPORT deflatePending (strm, pending, bits) + unsigned *pending; + int *bits; + z_streamp strm; +{ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + if (pending != Z_NULL) + *pending = strm->state->pending; + if (bits != Z_NULL) + *bits = strm->state->bi_valid; + return Z_OK; +} + +/* ========================================================================= */ int ZEXPORT deflatePrime (strm, bits, value) z_streamp strm; int bits; int value; { + deflate_state *s; + int put; + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - strm->state->bi_valid = bits; - strm->state->bi_buf = (ush)(value & ((1 << bits) - 1)); + s = strm->state; + if ((Bytef *)(s->d_buf) < s->pending_out + ((Buf_size + 7) >> 3)) + return Z_BUF_ERROR; + do { + put = Buf_size - s->bi_valid; + if (put > bits) + put = bits; + s->bi_buf |= (ush)((value & ((1 << put) - 1)) << s->bi_valid); + s->bi_valid += put; + _tr_flush_bits(s); + value >>= put; + bits -= put; + } while (bits); return Z_OK; } @@ -435,6 +513,8 @@ int ZEXPORT deflateParams(strm, level, strategy) strm->total_in != 0) { /* Flush the last buffer: */ err = deflate(strm, Z_BLOCK); + if (err == Z_BUF_ERROR && s->pending == 0) + err = Z_OK; } if (s->level != level) { s->level = level; @@ -562,19 +642,22 @@ local void putShortMSB (s, b) local void flush_pending(strm) z_streamp strm; { - unsigned len = strm->state->pending; + unsigned len; + deflate_state *s = strm->state; + _tr_flush_bits(s); + len = s->pending; if (len > strm->avail_out) len = strm->avail_out; if (len == 0) return; - zmemcpy(strm->next_out, strm->state->pending_out, len); + zmemcpy(strm->next_out, s->pending_out, len); strm->next_out += len; - strm->state->pending_out += len; + s->pending_out += len; strm->total_out += len; strm->avail_out -= len; - strm->state->pending -= len; - if (strm->state->pending == 0) { - strm->state->pending_out = strm->state->pending_buf; + s->pending -= len; + if (s->pending == 0) { + s->pending_out = s->pending_buf; } } @@ -801,7 +884,7 @@ int ZEXPORT deflate (strm, flush) * flushes. For repeated and useless calls with Z_FINISH, we keep * returning Z_STREAM_END instead of Z_BUF_ERROR. */ - } else if (strm->avail_in == 0 && flush <= old_flush && + } else if (strm->avail_in == 0 && RANK(flush) <= RANK(old_flush) && flush != Z_FINISH) { ERR_RETURN(strm, Z_BUF_ERROR); } @@ -850,6 +933,7 @@ int ZEXPORT deflate (strm, flush) if (s->lookahead == 0) { s->strstart = 0; s->block_start = 0L; + s->insert = 0; } } } @@ -945,12 +1029,12 @@ int ZEXPORT deflateCopy (dest, source) ss = source->state; - zmemcpy(dest, source, sizeof(z_stream)); + zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream)); ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state)); if (ds == Z_NULL) return Z_MEM_ERROR; dest->state = (struct internal_state FAR *) ds; - zmemcpy(ds, ss, sizeof(deflate_state)); + zmemcpy((voidpf)ds, (voidpf)ss, sizeof(deflate_state)); ds->strm = dest; ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); @@ -966,8 +1050,8 @@ int ZEXPORT deflateCopy (dest, source) } /* following zmemcpy do not work for 16-bit MSDOS */ zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte)); - zmemcpy(ds->prev, ss->prev, ds->w_size * sizeof(Pos)); - zmemcpy(ds->head, ss->head, ds->hash_size * sizeof(Pos)); + zmemcpy((voidpf)ds->prev, (voidpf)ss->prev, ds->w_size * sizeof(Pos)); + zmemcpy((voidpf)ds->head, (voidpf)ss->head, ds->hash_size * sizeof(Pos)); zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size); ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf); @@ -1001,15 +1085,15 @@ local int read_buf(strm, buf, size) strm->avail_in -= len; + zmemcpy(buf, strm->next_in, len); if (strm->state->wrap == 1) { - strm->adler = adler32(strm->adler, strm->next_in, len); + strm->adler = adler32(strm->adler, buf, len); } #ifdef GZIP else if (strm->state->wrap == 2) { - strm->adler = crc32(strm->adler, strm->next_in, len); + strm->adler = crc32(strm->adler, buf, len); } #endif - zmemcpy(buf, strm->next_in, len); strm->next_in += len; strm->total_in += len; @@ -1036,6 +1120,7 @@ local void lm_init (s) s->strstart = 0; s->block_start = 0L; s->lookahead = 0; + s->insert = 0; s->match_length = s->prev_length = MIN_MATCH-1; s->match_available = 0; s->ins_h = 0; @@ -1310,6 +1395,8 @@ local void fill_window(s) unsigned more; /* Amount of free space at the end of the window. */ uInt wsize = s->w_size; + Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead"); + do { more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); @@ -1362,7 +1449,7 @@ local void fill_window(s) #endif more += wsize; } - if (s->strm->avail_in == 0) return; + if (s->strm->avail_in == 0) break; /* If there was no sliding: * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && @@ -1381,12 +1468,24 @@ local void fill_window(s) s->lookahead += n; /* Initialize the hash value now that we have some input: */ - if (s->lookahead >= MIN_MATCH) { - s->ins_h = s->window[s->strstart]; - UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]); + if (s->lookahead + s->insert >= MIN_MATCH) { + uInt str = s->strstart - s->insert; + s->ins_h = s->window[str]; + UPDATE_HASH(s, s->ins_h, s->window[str + 1]); #if MIN_MATCH != 3 Call UPDATE_HASH() MIN_MATCH-3 more times #endif + while (s->insert) { + UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); +#ifndef FASTEST + s->prev[str & s->w_mask] = s->head[s->ins_h]; +#endif + s->head[s->ins_h] = (Pos)str; + str++; + s->insert--; + if (s->lookahead + s->insert < MIN_MATCH) + break; + } } /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, * but this is not important since only literal bytes will be emitted. @@ -1427,6 +1526,9 @@ local void fill_window(s) s->high_water += init; } } + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "not enough room for search"); } /* =========================================================================== @@ -1506,8 +1608,14 @@ local block_state deflate_stored(s, flush) FLUSH_BLOCK(s, 0); } } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; + s->insert = 0; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if ((long)s->strstart > s->block_start) + FLUSH_BLOCK(s, 0); + return block_done; } /* =========================================================================== @@ -1603,8 +1711,14 @@ local block_state deflate_fast(s, flush) } if (bflush) FLUSH_BLOCK(s, 0); } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; + s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->last_lit) + FLUSH_BLOCK(s, 0); + return block_done; } #ifndef FASTEST @@ -1728,8 +1842,14 @@ local block_state deflate_slow(s, flush) _tr_tally_lit(s, s->window[s->strstart-1], bflush); s->match_available = 0; } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; + s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->last_lit) + FLUSH_BLOCK(s, 0); + return block_done; } #endif /* FASTEST */ @@ -1749,11 +1869,11 @@ local block_state deflate_rle(s, flush) for (;;) { /* Make sure that we always have enough lookahead, except * at the end of the input file. We need MAX_MATCH bytes - * for the longest encodable run. + * for the longest run, plus one for the unrolled loop. */ - if (s->lookahead < MAX_MATCH) { + if (s->lookahead <= MAX_MATCH) { fill_window(s); - if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) { + if (s->lookahead <= MAX_MATCH && flush == Z_NO_FLUSH) { return need_more; } if (s->lookahead == 0) break; /* flush the current block */ @@ -1776,6 +1896,7 @@ local block_state deflate_rle(s, flush) if (s->match_length > s->lookahead) s->match_length = s->lookahead; } + Assert(scan <= s->window+(uInt)(s->window_size-1), "wild scan"); } /* Emit match if have run of MIN_MATCH or longer, else emit literal */ @@ -1796,8 +1917,14 @@ local block_state deflate_rle(s, flush) } if (bflush) FLUSH_BLOCK(s, 0); } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; + s->insert = 0; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->last_lit) + FLUSH_BLOCK(s, 0); + return block_done; } /* =========================================================================== @@ -1829,6 +1956,12 @@ local block_state deflate_huff(s, flush) s->strstart++; if (bflush) FLUSH_BLOCK(s, 0); } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; + s->insert = 0; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->last_lit) + FLUSH_BLOCK(s, 0); + return block_done; } diff --git a/Modules/zlib/deflate.h b/Modules/zlib/deflate.h index cbf0d1ea5d..ce0299edd1 100644 --- a/Modules/zlib/deflate.h +++ b/Modules/zlib/deflate.h @@ -1,5 +1,5 @@ /* deflate.h -- internal compression state - * Copyright (C) 1995-2010 Jean-loup Gailly + * Copyright (C) 1995-2012 Jean-loup Gailly * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -48,6 +48,9 @@ #define MAX_BITS 15 /* All codes must not exceed MAX_BITS bits */ +#define Buf_size 16 +/* size of bit buffer in bi_buf */ + #define INIT_STATE 42 #define EXTRA_STATE 69 #define NAME_STATE 73 @@ -101,7 +104,7 @@ typedef struct internal_state { int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ gz_headerp gzhead; /* gzip header information to write */ uInt gzindex; /* where in extra, name, or comment */ - Byte method; /* STORED (for zip only) or DEFLATED */ + Byte method; /* can only be DEFLATED */ int last_flush; /* value of flush param for previous deflate call */ /* used by deflate.c: */ @@ -188,7 +191,7 @@ typedef struct internal_state { int nice_match; /* Stop searching when current match exceeds this */ /* used by trees.c: */ - /* Didn't use ct_data typedef below to supress compiler warning */ + /* Didn't use ct_data typedef below to suppress compiler warning */ struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */ struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */ @@ -244,7 +247,7 @@ typedef struct internal_state { ulg opt_len; /* bit length of current block with optimal trees */ ulg static_len; /* bit length of current block with static trees */ uInt matches; /* number of string matches in current block */ - int last_eob_len; /* bit length of EOB code for last block */ + uInt insert; /* bytes at end of window left to insert */ #ifdef DEBUG ulg compressed_len; /* total bit length of compressed file mod 2^32 */ @@ -294,6 +297,7 @@ void ZLIB_INTERNAL _tr_init OF((deflate_state *s)); int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len, int last)); +void ZLIB_INTERNAL _tr_flush_bits OF((deflate_state *s)); void ZLIB_INTERNAL _tr_align OF((deflate_state *s)); void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len, int last)); diff --git a/Modules/zlib/example.c b/Modules/zlib/example.c index 604736f15f..138a699bd5 100644 --- a/Modules/zlib/example.c +++ b/Modules/zlib/example.c @@ -1,5 +1,5 @@ /* example.c -- usage example of the zlib compression library - * Copyright (C) 1995-2006 Jean-loup Gailly. + * Copyright (C) 1995-2006, 2011 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -26,7 +26,7 @@ } \ } -const char hello[] = "hello, hello!"; +z_const char hello[] = "hello, hello!"; /* "hello world" would be more standard, but the repeated "hello" * stresses the compression code better, sorry... */ @@ -34,10 +34,6 @@ const char hello[] = "hello, hello!"; const char dictionary[] = "hello"; uLong dictId; /* Adler32 value of the dictionary */ -void test_compress OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); -void test_gzio OF((const char *fname, - Byte *uncompr, uLong uncomprLen)); void test_deflate OF((Byte *compr, uLong comprLen)); void test_inflate OF((Byte *compr, uLong comprLen, Byte *uncompr, uLong uncomprLen)); @@ -53,6 +49,39 @@ void test_dict_inflate OF((Byte *compr, uLong comprLen, Byte *uncompr, uLong uncomprLen)); int main OF((int argc, char *argv[])); + +#ifdef Z_SOLO + +void *myalloc OF((void *, unsigned, unsigned)); +void myfree OF((void *, void *)); + +void *myalloc(q, n, m) + void *q; + unsigned n, m; +{ + q = Z_NULL; + return calloc(n, m); +} + +void myfree(void *q, void *p) +{ + q = Z_NULL; + free(p); +} + +static alloc_func zalloc = myalloc; +static free_func zfree = myfree; + +#else /* !Z_SOLO */ + +static alloc_func zalloc = (alloc_func)0; +static free_func zfree = (free_func)0; + +void test_compress OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_gzio OF((const char *fname, + Byte *uncompr, uLong uncomprLen)); + /* =========================================================================== * Test compress() and uncompress() */ @@ -163,6 +192,8 @@ void test_gzio(fname, uncompr, uncomprLen) #endif } +#endif /* Z_SOLO */ + /* =========================================================================== * Test deflate() with small buffers */ @@ -174,14 +205,14 @@ void test_deflate(compr, comprLen) int err; uLong len = (uLong)strlen(hello)+1; - c_stream.zalloc = (alloc_func)0; - c_stream.zfree = (free_func)0; + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; c_stream.opaque = (voidpf)0; err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); CHECK_ERR(err, "deflateInit"); - c_stream.next_in = (Bytef*)hello; + c_stream.next_in = (z_const unsigned char *)hello; c_stream.next_out = compr; while (c_stream.total_in != len && c_stream.total_out < comprLen) { @@ -213,8 +244,8 @@ void test_inflate(compr, comprLen, uncompr, uncomprLen) strcpy((char*)uncompr, "garbage"); - d_stream.zalloc = (alloc_func)0; - d_stream.zfree = (free_func)0; + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; d_stream.opaque = (voidpf)0; d_stream.next_in = compr; @@ -252,8 +283,8 @@ void test_large_deflate(compr, comprLen, uncompr, uncomprLen) z_stream c_stream; /* compression stream */ int err; - c_stream.zalloc = (alloc_func)0; - c_stream.zfree = (free_func)0; + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; c_stream.opaque = (voidpf)0; err = deflateInit(&c_stream, Z_BEST_SPEED); @@ -309,8 +340,8 @@ void test_large_inflate(compr, comprLen, uncompr, uncomprLen) strcpy((char*)uncompr, "garbage"); - d_stream.zalloc = (alloc_func)0; - d_stream.zfree = (free_func)0; + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; d_stream.opaque = (voidpf)0; d_stream.next_in = compr; @@ -349,14 +380,14 @@ void test_flush(compr, comprLen) int err; uInt len = (uInt)strlen(hello)+1; - c_stream.zalloc = (alloc_func)0; - c_stream.zfree = (free_func)0; + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; c_stream.opaque = (voidpf)0; err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); CHECK_ERR(err, "deflateInit"); - c_stream.next_in = (Bytef*)hello; + c_stream.next_in = (z_const unsigned char *)hello; c_stream.next_out = compr; c_stream.avail_in = 3; c_stream.avail_out = (uInt)*comprLen; @@ -388,8 +419,8 @@ void test_sync(compr, comprLen, uncompr, uncomprLen) strcpy((char*)uncompr, "garbage"); - d_stream.zalloc = (alloc_func)0; - d_stream.zfree = (free_func)0; + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; d_stream.opaque = (voidpf)0; d_stream.next_in = compr; @@ -430,22 +461,22 @@ void test_dict_deflate(compr, comprLen) z_stream c_stream; /* compression stream */ int err; - c_stream.zalloc = (alloc_func)0; - c_stream.zfree = (free_func)0; + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; c_stream.opaque = (voidpf)0; err = deflateInit(&c_stream, Z_BEST_COMPRESSION); CHECK_ERR(err, "deflateInit"); err = deflateSetDictionary(&c_stream, - (const Bytef*)dictionary, sizeof(dictionary)); + (const Bytef*)dictionary, (int)sizeof(dictionary)); CHECK_ERR(err, "deflateSetDictionary"); dictId = c_stream.adler; c_stream.next_out = compr; c_stream.avail_out = (uInt)comprLen; - c_stream.next_in = (Bytef*)hello; + c_stream.next_in = (z_const unsigned char *)hello; c_stream.avail_in = (uInt)strlen(hello)+1; err = deflate(&c_stream, Z_FINISH); @@ -469,8 +500,8 @@ void test_dict_inflate(compr, comprLen, uncompr, uncomprLen) strcpy((char*)uncompr, "garbage"); - d_stream.zalloc = (alloc_func)0; - d_stream.zfree = (free_func)0; + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; d_stream.opaque = (voidpf)0; d_stream.next_in = compr; @@ -491,7 +522,7 @@ void test_dict_inflate(compr, comprLen, uncompr, uncomprLen) exit(1); } err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary, - sizeof(dictionary)); + (int)sizeof(dictionary)); } CHECK_ERR(err, "inflate with dict"); } @@ -540,10 +571,15 @@ int main(argc, argv) printf("out of memory\n"); exit(1); } + +#ifdef Z_SOLO + argc = strlen(argv[0]); +#else test_compress(compr, comprLen, uncompr, uncomprLen); test_gzio((argc > 1 ? argv[1] : TESTFILE), uncompr, uncomprLen); +#endif test_deflate(compr, comprLen); test_inflate(compr, comprLen, uncompr, uncomprLen); diff --git a/Modules/zlib/gzguts.h b/Modules/zlib/gzguts.h index 0f8fb79f87..d87659d031 100644 --- a/Modules/zlib/gzguts.h +++ b/Modules/zlib/gzguts.h @@ -1,5 +1,5 @@ /* gzguts.h -- zlib internal header definitions for gz* operations - * Copyright (C) 2004, 2005, 2010 Mark Adler + * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -12,7 +12,7 @@ # endif #endif -#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) +#ifdef HAVE_HIDDEN # define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) #else # define ZLIB_INTERNAL @@ -27,13 +27,80 @@ #endif #include <fcntl.h> +#ifdef _WIN32 +# include <stddef.h> +#endif + +#if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32) +# include <io.h> +#endif + +#ifdef WINAPI_FAMILY +# define open _open +# define read _read +# define write _write +# define close _close +#endif + #ifdef NO_DEFLATE /* for compatibility with old definition */ # define NO_GZCOMPRESS #endif +#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#if defined(__CYGWIN__) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#if defined(MSDOS) && defined(__BORLANDC__) && (BORLANDC > 0x410) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#ifndef HAVE_VSNPRINTF +# ifdef MSDOS +/* vsnprintf may exist on some MS-DOS compilers (DJGPP?), + but for now we just assume it doesn't. */ +# define NO_vsnprintf +# endif +# ifdef __TURBOC__ +# define NO_vsnprintf +# endif +# ifdef WIN32 +/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ +# if !defined(vsnprintf) && !defined(NO_vsnprintf) +# if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 ) +# define vsnprintf _vsnprintf +# endif +# endif +# endif +# ifdef __SASC +# define NO_vsnprintf +# endif +# ifdef VMS +# define NO_vsnprintf +# endif +# ifdef __OS400__ +# define NO_vsnprintf +# endif +# ifdef __MVS__ +# define NO_vsnprintf +# endif +#endif + +/* unlike snprintf (which is required in C99, yet still not supported by + Microsoft more than a decade later!), _snprintf does not guarantee null + termination of the result -- however this is only used in gzlib.c where + the result is assured to fit in the space provided */ #ifdef _MSC_VER -# include <io.h> -# define vsnprintf _vsnprintf +# define snprintf _snprintf #endif #ifndef local @@ -52,7 +119,7 @@ # include <windows.h> # define zstrerror() gz_strwinerror((DWORD)GetLastError()) #else -# ifdef STDC +# ifndef NO_STRERROR # include <errno.h> # define zstrerror() strerror(errno) # else @@ -68,7 +135,15 @@ ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); #endif -/* default i/o buffer size -- double this for output when reading */ +/* default memLevel */ +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif + +/* default i/o buffer size -- double this for output when reading (this and + twice this must be able to fit in an unsigned type) */ #define GZBUFSIZE 8192 /* gzip modes, also provide a little integrity check on the passed structure */ @@ -84,23 +159,25 @@ /* internal gzip file state data structure */ typedef struct { + /* exposed contents for gzgetc() macro */ + struct gzFile_s x; /* "x" for exposed */ + /* x.have: number of bytes available at x.next */ + /* x.next: next output data to deliver or write */ + /* x.pos: current position in uncompressed data */ /* used for both reading and writing */ int mode; /* see gzip modes above */ int fd; /* file descriptor */ char *path; /* path or fd for error messages */ - z_off64_t pos; /* current position in uncompressed data */ unsigned size; /* buffer size, zero if not allocated yet */ unsigned want; /* requested buffer size, default is GZBUFSIZE */ unsigned char *in; /* input buffer */ unsigned char *out; /* output buffer (double-sized when reading) */ - unsigned char *next; /* next output data to deliver or write */ + int direct; /* 0 if processing gzip, 1 if transparent */ /* just for reading */ - unsigned have; /* amount of output data unused at next */ - int eof; /* true if end of input file reached */ - z_off64_t start; /* where the gzip data started, for rewinding */ - z_off64_t raw; /* where the raw data started, for seeking */ int how; /* 0: get header, 1: copy, 2: decompress */ - int direct; /* true if last read direct, false if gzip */ + z_off64_t start; /* where the gzip data started, for rewinding */ + int eof; /* true if end of input file reached */ + int past; /* true if read requested past end */ /* just for writing */ int level; /* compression level */ int strategy; /* compression strategy */ diff --git a/Modules/zlib/gzio.c b/Modules/zlib/gzio.c deleted file mode 100644 index 7e90f4928f..0000000000 --- a/Modules/zlib/gzio.c +++ /dev/null @@ -1,1026 +0,0 @@ -/* gzio.c -- IO on .gz files - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - * - * Compile this file with -DNO_GZCOMPRESS to avoid the compression code. - */ - -/* @(#) $Id$ */ - -#include <stdio.h> - -#include "zutil.h" - -#ifdef NO_DEFLATE /* for compatibility with old definition */ -# define NO_GZCOMPRESS -#endif - -#ifndef NO_DUMMY_DECL -struct internal_state {int dummy;}; /* for buggy compilers */ -#endif - -#ifndef Z_BUFSIZE -# ifdef MAXSEG_64K -# define Z_BUFSIZE 4096 /* minimize memory usage for 16-bit DOS */ -# else -# define Z_BUFSIZE 16384 -# endif -#endif -#ifndef Z_PRINTF_BUFSIZE -# define Z_PRINTF_BUFSIZE 4096 -#endif - -#ifdef __MVS__ -# pragma map (fdopen , "\174\174FDOPEN") - FILE *fdopen(int, const char *); -#endif - -#ifndef STDC -extern voidp malloc OF((uInt size)); -extern void free OF((voidpf ptr)); -#endif - -#define ALLOC(size) malloc(size) -#define TRYFREE(p) {if (p) free(p);} - -static int const gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */ - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */ -#define HEAD_CRC 0x02 /* bit 1 set: header CRC present */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ -#define COMMENT 0x10 /* bit 4 set: file comment present */ -#define RESERVED 0xE0 /* bits 5..7: reserved */ - -typedef struct gz_stream { - z_stream stream; - int z_err; /* error code for last stream operation */ - int z_eof; /* set if end of input file */ - FILE *file; /* .gz file */ - Byte *inbuf; /* input buffer */ - Byte *outbuf; /* output buffer */ - uLong crc; /* crc32 of uncompressed data */ - char *msg; /* error message */ - char *path; /* path name for debugging only */ - int transparent; /* 1 if input file is not a .gz file */ - char mode; /* 'w' or 'r' */ - z_off_t start; /* start of compressed data in file (header skipped) */ - z_off_t in; /* bytes into deflate or inflate */ - z_off_t out; /* bytes out of deflate or inflate */ - int back; /* one character push-back */ - int last; /* true if push-back is last character */ -} gz_stream; - - -local gzFile gz_open OF((const char *path, const char *mode, int fd)); -local int do_flush OF((gzFile file, int flush)); -local int get_byte OF((gz_stream *s)); -local void check_header OF((gz_stream *s)); -local int destroy OF((gz_stream *s)); -local void putLong OF((FILE *file, uLong x)); -local uLong getLong OF((gz_stream *s)); - -/* =========================================================================== - Opens a gzip (.gz) file for reading or writing. The mode parameter - is as in fopen ("rb" or "wb"). The file is given either by file descriptor - or path name (if fd == -1). - gz_open returns NULL if the file could not be opened or if there was - insufficient memory to allocate the (de)compression state; errno - can be checked to distinguish the two cases (if errno is zero, the - zlib error is Z_MEM_ERROR). -*/ -local gzFile gz_open (path, mode, fd) - const char *path; - const char *mode; - int fd; -{ - int err; - int level = Z_DEFAULT_COMPRESSION; /* compression level */ - int strategy = Z_DEFAULT_STRATEGY; /* compression strategy */ - char *p = (char*)mode; - gz_stream *s; - char fmode[80]; /* copy of mode, without the compression level */ - char *m = fmode; - - if (!path || !mode) return Z_NULL; - - s = (gz_stream *)ALLOC(sizeof(gz_stream)); - if (!s) return Z_NULL; - - s->stream.zalloc = (alloc_func)0; - s->stream.zfree = (free_func)0; - s->stream.opaque = (voidpf)0; - s->stream.next_in = s->inbuf = Z_NULL; - s->stream.next_out = s->outbuf = Z_NULL; - s->stream.avail_in = s->stream.avail_out = 0; - s->file = NULL; - s->z_err = Z_OK; - s->z_eof = 0; - s->in = 0; - s->out = 0; - s->back = EOF; - s->crc = crc32(0L, Z_NULL, 0); - s->msg = NULL; - s->transparent = 0; - - s->path = (char*)ALLOC(strlen(path)+1); - if (s->path == NULL) { - return destroy(s), (gzFile)Z_NULL; - } - strcpy(s->path, path); /* do this early for debugging */ - - s->mode = '\0'; - do { - if (*p == 'r') s->mode = 'r'; - if (*p == 'w' || *p == 'a') s->mode = 'w'; - if (*p >= '0' && *p <= '9') { - level = *p - '0'; - } else if (*p == 'f') { - strategy = Z_FILTERED; - } else if (*p == 'h') { - strategy = Z_HUFFMAN_ONLY; - } else if (*p == 'R') { - strategy = Z_RLE; - } else { - *m++ = *p; /* copy the mode */ - } - } while (*p++ && m != fmode + sizeof(fmode)); - if (s->mode == '\0') return destroy(s), (gzFile)Z_NULL; - - if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS - err = Z_STREAM_ERROR; -#else - err = deflateInit2(&(s->stream), level, - Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, strategy); - /* windowBits is passed < 0 to suppress zlib header */ - - s->stream.next_out = s->outbuf = (Byte*)ALLOC(Z_BUFSIZE); -#endif - if (err != Z_OK || s->outbuf == Z_NULL) { - return destroy(s), (gzFile)Z_NULL; - } - } else { - s->stream.next_in = s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); - - err = inflateInit2(&(s->stream), -MAX_WBITS); - /* windowBits is passed < 0 to tell that there is no zlib header. - * Note that in this case inflate *requires* an extra "dummy" byte - * after the compressed stream in order to complete decompression and - * return Z_STREAM_END. Here the gzip CRC32 ensures that 4 bytes are - * present after the compressed stream. - */ - if (err != Z_OK || s->inbuf == Z_NULL) { - return destroy(s), (gzFile)Z_NULL; - } - } - s->stream.avail_out = Z_BUFSIZE; - - errno = 0; - s->file = fd < 0 ? F_OPEN(path, fmode) : (FILE*)fdopen(fd, fmode); - - if (s->file == NULL) { - return destroy(s), (gzFile)Z_NULL; - } - if (s->mode == 'w') { - /* Write a very simple .gz header: - */ - fprintf(s->file, "%c%c%c%c%c%c%c%c%c%c", gz_magic[0], gz_magic[1], - Z_DEFLATED, 0 /*flags*/, 0,0,0,0 /*time*/, 0 /*xflags*/, OS_CODE); - s->start = 10L; - /* We use 10L instead of ftell(s->file) to because ftell causes an - * fflush on some systems. This version of the library doesn't use - * start anyway in write mode, so this initialization is not - * necessary. - */ - } else { - check_header(s); /* skip the .gz header */ - s->start = ftell(s->file) - s->stream.avail_in; - } - - return (gzFile)s; -} - -/* =========================================================================== - Opens a gzip (.gz) file for reading or writing. -*/ -gzFile ZEXPORT gzopen (path, mode) - const char *path; - const char *mode; -{ - return gz_open (path, mode, -1); -} - -/* =========================================================================== - Associate a gzFile with the file descriptor fd. fd is not dup'ed here - to mimic the behavio(u)r of fdopen. -*/ -gzFile ZEXPORT gzdopen (fd, mode) - int fd; - const char *mode; -{ - char name[46]; /* allow for up to 128-bit integers */ - - if (fd < 0) return (gzFile)Z_NULL; - sprintf(name, "<fd:%d>", fd); /* for debugging */ - - return gz_open (name, mode, fd); -} - -/* =========================================================================== - * Update the compression level and strategy - */ -int ZEXPORT gzsetparams (file, level, strategy) - gzFile file; - int level; - int strategy; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; - - /* Make room to allow flushing */ - if (s->stream.avail_out == 0) { - - s->stream.next_out = s->outbuf; - if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) { - s->z_err = Z_ERRNO; - } - s->stream.avail_out = Z_BUFSIZE; - } - - return deflateParams (&(s->stream), level, strategy); -} - -/* =========================================================================== - Read a byte from a gz_stream; update next_in and avail_in. Return EOF - for end of file. - IN assertion: the stream s has been sucessfully opened for reading. -*/ -local int get_byte(s) - gz_stream *s; -{ - if (s->z_eof) return EOF; - if (s->stream.avail_in == 0) { - errno = 0; - s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); - if (s->stream.avail_in == 0) { - s->z_eof = 1; - if (ferror(s->file)) s->z_err = Z_ERRNO; - return EOF; - } - s->stream.next_in = s->inbuf; - } - s->stream.avail_in--; - return *(s->stream.next_in)++; -} - -/* =========================================================================== - Check the gzip header of a gz_stream opened for reading. Set the stream - mode to transparent if the gzip magic header is not present; set s->err - to Z_DATA_ERROR if the magic header is present but the rest of the header - is incorrect. - IN assertion: the stream s has already been created sucessfully; - s->stream.avail_in is zero for the first time, but may be non-zero - for concatenated .gz files. -*/ -local void check_header(s) - gz_stream *s; -{ - int method; /* method byte */ - int flags; /* flags byte */ - uInt len; - int c; - - /* Assure two bytes in the buffer so we can peek ahead -- handle case - where first byte of header is at the end of the buffer after the last - gzip segment */ - len = s->stream.avail_in; - if (len < 2) { - if (len) s->inbuf[0] = s->stream.next_in[0]; - errno = 0; - len = (uInt)fread(s->inbuf + len, 1, Z_BUFSIZE >> len, s->file); - if (len == 0 && ferror(s->file)) s->z_err = Z_ERRNO; - s->stream.avail_in += len; - s->stream.next_in = s->inbuf; - if (s->stream.avail_in < 2) { - s->transparent = s->stream.avail_in; - return; - } - } - - /* Peek ahead to check the gzip magic header */ - if (s->stream.next_in[0] != gz_magic[0] || - s->stream.next_in[1] != gz_magic[1]) { - s->transparent = 1; - return; - } - s->stream.avail_in -= 2; - s->stream.next_in += 2; - - /* Check the rest of the gzip header */ - method = get_byte(s); - flags = get_byte(s); - if (method != Z_DEFLATED || (flags & RESERVED) != 0) { - s->z_err = Z_DATA_ERROR; - return; - } - - /* Discard time, xflags and OS code: */ - for (len = 0; len < 6; len++) (void)get_byte(s); - - if ((flags & EXTRA_FIELD) != 0) { /* skip the extra field */ - len = (uInt)get_byte(s); - len += ((uInt)get_byte(s))<<8; - /* len is garbage if EOF but the loop below will quit anyway */ - while (len-- != 0 && get_byte(s) != EOF) ; - } - if ((flags & ORIG_NAME) != 0) { /* skip the original file name */ - while ((c = get_byte(s)) != 0 && c != EOF) ; - } - if ((flags & COMMENT) != 0) { /* skip the .gz file comment */ - while ((c = get_byte(s)) != 0 && c != EOF) ; - } - if ((flags & HEAD_CRC) != 0) { /* skip the header crc */ - for (len = 0; len < 2; len++) (void)get_byte(s); - } - s->z_err = s->z_eof ? Z_DATA_ERROR : Z_OK; -} - - /* =========================================================================== - * Cleanup then free the given gz_stream. Return a zlib error code. - Try freeing in the reverse order of allocations. - */ -local int destroy (s) - gz_stream *s; -{ - int err = Z_OK; - - if (!s) return Z_STREAM_ERROR; - - TRYFREE(s->msg); - - if (s->stream.state != NULL) { - if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS - err = Z_STREAM_ERROR; -#else - err = deflateEnd(&(s->stream)); -#endif - } else if (s->mode == 'r') { - err = inflateEnd(&(s->stream)); - } - } - if (s->file != NULL && fclose(s->file)) { -#ifdef ESPIPE - if (errno != ESPIPE) /* fclose is broken for pipes in HP/UX */ -#endif - err = Z_ERRNO; - } - if (s->z_err < 0) err = s->z_err; - - TRYFREE(s->inbuf); - TRYFREE(s->outbuf); - TRYFREE(s->path); - TRYFREE(s); - return err; -} - -/* =========================================================================== - Reads the given number of uncompressed bytes from the compressed file. - gzread returns the number of bytes actually read (0 for end of file). -*/ -int ZEXPORT gzread (file, buf, len) - gzFile file; - voidp buf; - unsigned len; -{ - gz_stream *s = (gz_stream*)file; - Bytef *start = (Bytef*)buf; /* starting point for crc computation */ - Byte *next_out; /* == stream.next_out but not forced far (for MSDOS) */ - - if (s == NULL || s->mode != 'r') return Z_STREAM_ERROR; - - if (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO) return -1; - if (s->z_err == Z_STREAM_END) return 0; /* EOF */ - - next_out = (Byte*)buf; - s->stream.next_out = (Bytef*)buf; - s->stream.avail_out = len; - - if (s->stream.avail_out && s->back != EOF) { - *next_out++ = s->back; - s->stream.next_out++; - s->stream.avail_out--; - s->back = EOF; - s->out++; - start++; - if (s->last) { - s->z_err = Z_STREAM_END; - return 1; - } - } - - while (s->stream.avail_out != 0) { - - if (s->transparent) { - /* Copy first the lookahead bytes: */ - uInt n = s->stream.avail_in; - if (n > s->stream.avail_out) n = s->stream.avail_out; - if (n > 0) { - zmemcpy(s->stream.next_out, s->stream.next_in, n); - next_out += n; - s->stream.next_out = next_out; - s->stream.next_in += n; - s->stream.avail_out -= n; - s->stream.avail_in -= n; - } - if (s->stream.avail_out > 0) { - s->stream.avail_out -= - (uInt)fread(next_out, 1, s->stream.avail_out, s->file); - } - len -= s->stream.avail_out; - s->in += len; - s->out += len; - if (len == 0) s->z_eof = 1; - return (int)len; - } - if (s->stream.avail_in == 0 && !s->z_eof) { - - errno = 0; - s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); - if (s->stream.avail_in == 0) { - s->z_eof = 1; - if (ferror(s->file)) { - s->z_err = Z_ERRNO; - break; - } - } - s->stream.next_in = s->inbuf; - } - s->in += s->stream.avail_in; - s->out += s->stream.avail_out; - s->z_err = inflate(&(s->stream), Z_NO_FLUSH); - s->in -= s->stream.avail_in; - s->out -= s->stream.avail_out; - - if (s->z_err == Z_STREAM_END) { - /* Check CRC and original size */ - s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start)); - start = s->stream.next_out; - - if (getLong(s) != s->crc) { - s->z_err = Z_DATA_ERROR; - } else { - (void)getLong(s); - /* The uncompressed length returned by above getlong() may be - * different from s->out in case of concatenated .gz files. - * Check for such files: - */ - check_header(s); - if (s->z_err == Z_OK) { - inflateReset(&(s->stream)); - s->crc = crc32(0L, Z_NULL, 0); - } - } - } - if (s->z_err != Z_OK || s->z_eof) break; - } - s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start)); - - if (len == s->stream.avail_out && - (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO)) - return -1; - return (int)(len - s->stream.avail_out); -} - - -/* =========================================================================== - Reads one byte from the compressed file. gzgetc returns this byte - or -1 in case of end of file or error. -*/ -int ZEXPORT gzgetc(file) - gzFile file; -{ - unsigned char c; - - return gzread(file, &c, 1) == 1 ? c : -1; -} - - -/* =========================================================================== - Push one byte back onto the stream. -*/ -int ZEXPORT gzungetc(c, file) - int c; - gzFile file; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL || s->mode != 'r' || c == EOF || s->back != EOF) return EOF; - s->back = c; - s->out--; - s->last = (s->z_err == Z_STREAM_END); - if (s->last) s->z_err = Z_OK; - s->z_eof = 0; - return c; -} - - -/* =========================================================================== - Reads bytes from the compressed file until len-1 characters are - read, or a newline character is read and transferred to buf, or an - end-of-file condition is encountered. The string is then terminated - with a null character. - gzgets returns buf, or Z_NULL in case of error. - - The current implementation is not optimized at all. -*/ -char * ZEXPORT gzgets(file, buf, len) - gzFile file; - char *buf; - int len; -{ - char *b = buf; - if (buf == Z_NULL || len <= 0) return Z_NULL; - - while (--len > 0 && gzread(file, buf, 1) == 1 && *buf++ != '\n') ; - *buf = '\0'; - return b == buf && len > 0 ? Z_NULL : b; -} - - -#ifndef NO_GZCOMPRESS -/* =========================================================================== - Writes the given number of uncompressed bytes into the compressed file. - gzwrite returns the number of bytes actually written (0 in case of error). -*/ -int ZEXPORT gzwrite (file, buf, len) - gzFile file; - voidpc buf; - unsigned len; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; - - s->stream.next_in = (Bytef*)buf; - s->stream.avail_in = len; - - while (s->stream.avail_in != 0) { - - if (s->stream.avail_out == 0) { - - s->stream.next_out = s->outbuf; - if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) { - s->z_err = Z_ERRNO; - break; - } - s->stream.avail_out = Z_BUFSIZE; - } - s->in += s->stream.avail_in; - s->out += s->stream.avail_out; - s->z_err = deflate(&(s->stream), Z_NO_FLUSH); - s->in -= s->stream.avail_in; - s->out -= s->stream.avail_out; - if (s->z_err != Z_OK) break; - } - s->crc = crc32(s->crc, (const Bytef *)buf, len); - - return (int)(len - s->stream.avail_in); -} - - -/* =========================================================================== - Converts, formats, and writes the args to the compressed file under - control of the format string, as in fprintf. gzprintf returns the number of - uncompressed bytes actually written (0 in case of error). -*/ -#ifdef STDC -#include <stdarg.h> - -int ZEXPORTVA gzprintf (gzFile file, const char *format, /* args */ ...) -{ - char buf[Z_PRINTF_BUFSIZE]; - va_list va; - int len; - - buf[sizeof(buf) - 1] = 0; - va_start(va, format); -#ifdef NO_vsnprintf -# ifdef HAS_vsprintf_void - (void)vsprintf(buf, format, va); - va_end(va); - for (len = 0; len < sizeof(buf); len++) - if (buf[len] == 0) break; -# else - len = vsprintf(buf, format, va); - va_end(va); -# endif -#else -# ifdef HAS_vsnprintf_void - (void)vsnprintf(buf, sizeof(buf), format, va); - va_end(va); - len = strlen(buf); -# else - len = vsnprintf(buf, sizeof(buf), format, va); - va_end(va); -# endif -#endif - if (len <= 0 || len >= (int)sizeof(buf) || buf[sizeof(buf) - 1] != 0) - return 0; - return gzwrite(file, buf, (unsigned)len); -} -#else /* not ANSI C */ - -int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, - a11, a12, a13, a14, a15, a16, a17, a18, a19, a20) - gzFile file; - const char *format; - int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, - a11, a12, a13, a14, a15, a16, a17, a18, a19, a20; -{ - char buf[Z_PRINTF_BUFSIZE]; - int len; - - buf[sizeof(buf) - 1] = 0; -#ifdef NO_snprintf -# ifdef HAS_sprintf_void - sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); - for (len = 0; len < sizeof(buf); len++) - if (buf[len] == 0) break; -# else - len = sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -# endif -#else -# ifdef HAS_snprintf_void - snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); - len = strlen(buf); -# else - len = snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -# endif -#endif - if (len <= 0 || len >= sizeof(buf) || buf[sizeof(buf) - 1] != 0) - return 0; - return gzwrite(file, buf, len); -} -#endif - -/* =========================================================================== - Writes c, converted to an unsigned char, into the compressed file. - gzputc returns the value that was written, or -1 in case of error. -*/ -int ZEXPORT gzputc(file, c) - gzFile file; - int c; -{ - unsigned char cc = (unsigned char) c; /* required for big endian systems */ - - return gzwrite(file, &cc, 1) == 1 ? (int)cc : -1; -} - - -/* =========================================================================== - Writes the given null-terminated string to the compressed file, excluding - the terminating null character. - gzputs returns the number of characters written, or -1 in case of error. -*/ -int ZEXPORT gzputs(file, s) - gzFile file; - const char *s; -{ - return gzwrite(file, (char*)s, (unsigned)strlen(s)); -} - - -/* =========================================================================== - Flushes all pending output into the compressed file. The parameter - flush is as in the deflate() function. -*/ -local int do_flush (file, flush) - gzFile file; - int flush; -{ - uInt len; - int done = 0; - gz_stream *s = (gz_stream*)file; - - if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; - - s->stream.avail_in = 0; /* should be zero already anyway */ - - for (;;) { - len = Z_BUFSIZE - s->stream.avail_out; - - if (len != 0) { - if ((uInt)fwrite(s->outbuf, 1, len, s->file) != len) { - s->z_err = Z_ERRNO; - return Z_ERRNO; - } - s->stream.next_out = s->outbuf; - s->stream.avail_out = Z_BUFSIZE; - } - if (done) break; - s->out += s->stream.avail_out; - s->z_err = deflate(&(s->stream), flush); - s->out -= s->stream.avail_out; - - /* Ignore the second of two consecutive flushes: */ - if (len == 0 && s->z_err == Z_BUF_ERROR) s->z_err = Z_OK; - - /* deflate has finished flushing only when it hasn't used up - * all the available space in the output buffer: - */ - done = (s->stream.avail_out != 0 || s->z_err == Z_STREAM_END); - - if (s->z_err != Z_OK && s->z_err != Z_STREAM_END) break; - } - return s->z_err == Z_STREAM_END ? Z_OK : s->z_err; -} - -int ZEXPORT gzflush (file, flush) - gzFile file; - int flush; -{ - gz_stream *s = (gz_stream*)file; - int err = do_flush (file, flush); - - if (err) return err; - fflush(s->file); - return s->z_err == Z_STREAM_END ? Z_OK : s->z_err; -} -#endif /* NO_GZCOMPRESS */ - -/* =========================================================================== - Sets the starting position for the next gzread or gzwrite on the given - compressed file. The offset represents a number of bytes in the - gzseek returns the resulting offset location as measured in bytes from - the beginning of the uncompressed stream, or -1 in case of error. - SEEK_END is not implemented, returns error. - In this version of the library, gzseek can be extremely slow. -*/ -z_off_t ZEXPORT gzseek (file, offset, whence) - gzFile file; - z_off_t offset; - int whence; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL || whence == SEEK_END || - s->z_err == Z_ERRNO || s->z_err == Z_DATA_ERROR) { - return -1L; - } - - if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS - return -1L; -#else - if (whence == SEEK_SET) { - offset -= s->in; - } - if (offset < 0) return -1L; - - /* At this point, offset is the number of zero bytes to write. */ - if (s->inbuf == Z_NULL) { - s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); /* for seeking */ - if (s->inbuf == Z_NULL) return -1L; - zmemzero(s->inbuf, Z_BUFSIZE); - } - while (offset > 0) { - uInt size = Z_BUFSIZE; - if (offset < Z_BUFSIZE) size = (uInt)offset; - - size = gzwrite(file, s->inbuf, size); - if (size == 0) return -1L; - - offset -= size; - } - return s->in; -#endif - } - /* Rest of function is for reading only */ - - /* compute absolute position */ - if (whence == SEEK_CUR) { - offset += s->out; - } - if (offset < 0) return -1L; - - if (s->transparent) { - /* map to fseek */ - s->back = EOF; - s->stream.avail_in = 0; - s->stream.next_in = s->inbuf; - if (fseek(s->file, offset, SEEK_SET) < 0) return -1L; - - s->in = s->out = offset; - return offset; - } - - /* For a negative seek, rewind and use positive seek */ - if (offset >= s->out) { - offset -= s->out; - } else if (gzrewind(file) < 0) { - return -1L; - } - /* offset is now the number of bytes to skip. */ - - if (offset != 0 && s->outbuf == Z_NULL) { - s->outbuf = (Byte*)ALLOC(Z_BUFSIZE); - if (s->outbuf == Z_NULL) return -1L; - } - if (offset && s->back != EOF) { - s->back = EOF; - s->out++; - offset--; - if (s->last) s->z_err = Z_STREAM_END; - } - while (offset > 0) { - int size = Z_BUFSIZE; - if (offset < Z_BUFSIZE) size = (int)offset; - - size = gzread(file, s->outbuf, (uInt)size); - if (size <= 0) return -1L; - offset -= size; - } - return s->out; -} - -/* =========================================================================== - Rewinds input file. -*/ -int ZEXPORT gzrewind (file) - gzFile file; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL || s->mode != 'r') return -1; - - s->z_err = Z_OK; - s->z_eof = 0; - s->back = EOF; - s->stream.avail_in = 0; - s->stream.next_in = s->inbuf; - s->crc = crc32(0L, Z_NULL, 0); - if (!s->transparent) (void)inflateReset(&s->stream); - s->in = 0; - s->out = 0; - return fseek(s->file, s->start, SEEK_SET); -} - -/* =========================================================================== - Returns the starting position for the next gzread or gzwrite on the - given compressed file. This position represents a number of bytes in the - uncompressed data stream. -*/ -z_off_t ZEXPORT gztell (file) - gzFile file; -{ - return gzseek(file, 0L, SEEK_CUR); -} - -/* =========================================================================== - Returns 1 when EOF has previously been detected reading the given - input stream, otherwise zero. -*/ -int ZEXPORT gzeof (file) - gzFile file; -{ - gz_stream *s = (gz_stream*)file; - - /* With concatenated compressed files that can have embedded - * crc trailers, z_eof is no longer the only/best indicator of EOF - * on a gz_stream. Handle end-of-stream error explicitly here. - */ - if (s == NULL || s->mode != 'r') return 0; - if (s->z_eof) return 1; - return s->z_err == Z_STREAM_END; -} - -/* =========================================================================== - Returns 1 if reading and doing so transparently, otherwise zero. -*/ -int ZEXPORT gzdirect (file) - gzFile file; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL || s->mode != 'r') return 0; - return s->transparent; -} - -/* =========================================================================== - Outputs a long in LSB order to the given file -*/ -local void putLong (file, x) - FILE *file; - uLong x; -{ - int n; - for (n = 0; n < 4; n++) { - fputc((int)(x & 0xff), file); - x >>= 8; - } -} - -/* =========================================================================== - Reads a long in LSB order from the given gz_stream. Sets z_err in case - of error. -*/ -local uLong getLong (s) - gz_stream *s; -{ - uLong x = (uLong)get_byte(s); - int c; - - x += ((uLong)get_byte(s))<<8; - x += ((uLong)get_byte(s))<<16; - c = get_byte(s); - if (c == EOF) s->z_err = Z_DATA_ERROR; - x += ((uLong)c)<<24; - return x; -} - -/* =========================================================================== - Flushes all pending output if necessary, closes the compressed file - and deallocates all the (de)compression state. -*/ -int ZEXPORT gzclose (file) - gzFile file; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL) return Z_STREAM_ERROR; - - if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS - return Z_STREAM_ERROR; -#else - if (do_flush (file, Z_FINISH) != Z_OK) - return destroy((gz_stream*)file); - - putLong (s->file, s->crc); - putLong (s->file, (uLong)(s->in & 0xffffffff)); -#endif - } - return destroy((gz_stream*)file); -} - -#ifdef STDC -# define zstrerror(errnum) strerror(errnum) -#else -# define zstrerror(errnum) "" -#endif - -/* =========================================================================== - Returns the error message for the last error which occurred on the - given compressed file. errnum is set to zlib error number. If an - error occurred in the file system and not in the compression library, - errnum is set to Z_ERRNO and the application may consult errno - to get the exact error code. -*/ -const char * ZEXPORT gzerror (file, errnum) - gzFile file; - int *errnum; -{ - char *m; - gz_stream *s = (gz_stream*)file; - - if (s == NULL) { - *errnum = Z_STREAM_ERROR; - return (const char*)ERR_MSG(Z_STREAM_ERROR); - } - *errnum = s->z_err; - if (*errnum == Z_OK) return (const char*)""; - - m = (char*)(*errnum == Z_ERRNO ? zstrerror(errno) : s->stream.msg); - - if (m == NULL || *m == '\0') m = (char*)ERR_MSG(s->z_err); - - TRYFREE(s->msg); - s->msg = (char*)ALLOC(strlen(s->path) + strlen(m) + 3); - if (s->msg == Z_NULL) return (const char*)ERR_MSG(Z_MEM_ERROR); - strcpy(s->msg, s->path); - strcat(s->msg, ": "); - strcat(s->msg, m); - return (const char*)s->msg; -} - -/* =========================================================================== - Clear the error and end-of-file flags, and do the same for the real file. -*/ -void ZEXPORT gzclearerr (file) - gzFile file; -{ - gz_stream *s = (gz_stream*)file; - - if (s == NULL) return; - if (s->z_err != Z_STREAM_END) s->z_err = Z_OK; - s->z_eof = 0; - clearerr(s->file); -} diff --git a/Modules/zlib/gzlib.c b/Modules/zlib/gzlib.c index 603e60ed54..fae202ef89 100644 --- a/Modules/zlib/gzlib.c +++ b/Modules/zlib/gzlib.c @@ -1,19 +1,23 @@ /* gzlib.c -- zlib functions common to reading and writing gzip files - * Copyright (C) 2004, 2010 Mark Adler + * Copyright (C) 2004, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ #include "gzguts.h" +#if defined(_WIN32) && !defined(__BORLANDC__) +# define LSEEK _lseeki64 +#else #if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 # define LSEEK lseek64 #else # define LSEEK lseek #endif +#endif /* Local functions */ local void gz_reset OF((gz_statep)); -local gzFile gz_open OF((const char *, int, const char *)); +local gzFile gz_open OF((const void *, int, const char *)); #if defined UNDER_CE @@ -71,28 +75,40 @@ char ZLIB_INTERNAL *gz_strwinerror (error) local void gz_reset(state) gz_statep state; { + state->x.have = 0; /* no output data available */ if (state->mode == GZ_READ) { /* for reading ... */ - state->have = 0; /* no output data available */ state->eof = 0; /* not at end of file */ + state->past = 0; /* have not read past end yet */ state->how = LOOK; /* look for gzip header */ - state->direct = 1; /* default for empty file */ } state->seek = 0; /* no seek request pending */ gz_error(state, Z_OK, NULL); /* clear error */ - state->pos = 0; /* no uncompressed data yet */ + state->x.pos = 0; /* no uncompressed data yet */ state->strm.avail_in = 0; /* no input data yet */ } /* Open a gzip file either by name or file descriptor. */ local gzFile gz_open(path, fd, mode) - const char *path; + const void *path; int fd; const char *mode; { gz_statep state; + size_t len; + int oflag; +#ifdef O_CLOEXEC + int cloexec = 0; +#endif +#ifdef O_EXCL + int exclusive = 0; +#endif + + /* check input */ + if (path == NULL) + return NULL; /* allocate gzFile structure to return */ - state = malloc(sizeof(gz_state)); + state = (gz_statep)malloc(sizeof(gz_state)); if (state == NULL) return NULL; state->size = 0; /* no buffers allocated yet */ @@ -103,6 +119,7 @@ local gzFile gz_open(path, fd, mode) state->mode = GZ_NONE; state->level = Z_DEFAULT_COMPRESSION; state->strategy = Z_DEFAULT_STRATEGY; + state->direct = 0; while (*mode) { if (*mode >= '0' && *mode <= '9') state->level = *mode - '0'; @@ -124,6 +141,16 @@ local gzFile gz_open(path, fd, mode) return NULL; case 'b': /* ignore -- will request binary anyway */ break; +#ifdef O_CLOEXEC + case 'e': + cloexec = 1; + break; +#endif +#ifdef O_EXCL + case 'x': + exclusive = 1; + break; +#endif case 'f': state->strategy = Z_FILTERED; break; @@ -135,6 +162,10 @@ local gzFile gz_open(path, fd, mode) break; case 'F': state->strategy = Z_FIXED; + break; + case 'T': + state->direct = 1; + break; default: /* could consider as an error, but just ignore */ ; } @@ -147,30 +178,71 @@ local gzFile gz_open(path, fd, mode) return NULL; } + /* can't force transparent read */ + if (state->mode == GZ_READ) { + if (state->direct) { + free(state); + return NULL; + } + state->direct = 1; /* for empty file */ + } + /* save the path name for error messages */ - state->path = malloc(strlen(path) + 1); +#ifdef _WIN32 + if (fd == -2) { + len = wcstombs(NULL, path, 0); + if (len == (size_t)-1) + len = 0; + } + else +#endif + len = strlen((const char *)path); + state->path = (char *)malloc(len + 1); if (state->path == NULL) { free(state); return NULL; } - strcpy(state->path, path); +#ifdef _WIN32 + if (fd == -2) + if (len) + wcstombs(state->path, path, len + 1); + else + *(state->path) = 0; + else +#endif +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(state->path, len + 1, "%s", (const char *)path); +#else + strcpy(state->path, path); +#endif - /* open the file with the appropriate mode (or just use fd) */ - state->fd = fd != -1 ? fd : - open(path, + /* compute the flags for open() */ + oflag = #ifdef O_LARGEFILE - O_LARGEFILE | + O_LARGEFILE | #endif #ifdef O_BINARY - O_BINARY | + O_BINARY | +#endif +#ifdef O_CLOEXEC + (cloexec ? O_CLOEXEC : 0) | +#endif + (state->mode == GZ_READ ? + O_RDONLY : + (O_WRONLY | O_CREAT | +#ifdef O_EXCL + (exclusive ? O_EXCL : 0) | +#endif + (state->mode == GZ_WRITE ? + O_TRUNC : + O_APPEND))); + + /* open the file with the appropriate flags (or just use fd) */ + state->fd = fd > -1 ? fd : ( +#ifdef _WIN32 + fd == -2 ? _wopen(path, oflag, 0666) : #endif - (state->mode == GZ_READ ? - O_RDONLY : - (O_WRONLY | O_CREAT | ( - state->mode == GZ_WRITE ? - O_TRUNC : - O_APPEND))), - 0666); + open((const char *)path, oflag, 0666)); if (state->fd == -1) { free(state->path); free(state); @@ -216,15 +288,29 @@ gzFile ZEXPORT gzdopen(fd, mode) char *path; /* identifier for error messages */ gzFile gz; - if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL) + if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL) return NULL; +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(path, 7 + 3 * sizeof(int), "<fd:%d>", fd); /* for debugging */ +#else sprintf(path, "<fd:%d>", fd); /* for debugging */ +#endif gz = gz_open(path, fd, mode); free(path); return gz; } /* -- see zlib.h -- */ +#ifdef _WIN32 +gzFile ZEXPORT gzopen_w(path, mode) + const wchar_t *path; + const char *mode; +{ + return gz_open(path, -2, mode); +} +#endif + +/* -- see zlib.h -- */ int ZEXPORT gzbuffer(file, size) gzFile file; unsigned size; @@ -243,8 +329,8 @@ int ZEXPORT gzbuffer(file, size) return -1; /* check and set requested size */ - if (size == 0) - return -1; + if (size < 2) + size = 2; /* need two bytes to check magic header */ state->want = size; return 0; } @@ -261,7 +347,8 @@ int ZEXPORT gzrewind(file) state = (gz_statep)file; /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) return -1; /* back up and start over */ @@ -289,7 +376,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence) return -1; /* check that there's no error */ - if (state->err != Z_OK) + if (state->err != Z_OK && state->err != Z_BUF_ERROR) return -1; /* can only seek from start or relative to current position */ @@ -298,31 +385,32 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence) /* normalize offset to a SEEK_CUR specification */ if (whence == SEEK_SET) - offset -= state->pos; + offset -= state->x.pos; else if (state->seek) offset += state->skip; state->seek = 0; /* if within raw area while reading, just go there */ if (state->mode == GZ_READ && state->how == COPY && - state->pos + offset >= state->raw) { - ret = LSEEK(state->fd, offset - state->have, SEEK_CUR); + state->x.pos + offset >= 0) { + ret = LSEEK(state->fd, offset - state->x.have, SEEK_CUR); if (ret == -1) return -1; - state->have = 0; + state->x.have = 0; state->eof = 0; + state->past = 0; state->seek = 0; gz_error(state, Z_OK, NULL); state->strm.avail_in = 0; - state->pos += offset; - return state->pos; + state->x.pos += offset; + return state->x.pos; } /* calculate skip amount, rewinding if needed for back seek when reading */ if (offset < 0) { if (state->mode != GZ_READ) /* writing -- can't go backwards */ return -1; - offset += state->pos; + offset += state->x.pos; if (offset < 0) /* before start of file! */ return -1; if (gzrewind(file) == -1) /* rewind, then skip to offset */ @@ -331,11 +419,11 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence) /* if reading, skip what's in output buffer (one less gzgetc() check) */ if (state->mode == GZ_READ) { - n = GT_OFF(state->have) || (z_off64_t)state->have > offset ? - (unsigned)offset : state->have; - state->have -= n; - state->next += n; - state->pos += n; + n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > offset ? + (unsigned)offset : state->x.have; + state->x.have -= n; + state->x.next += n; + state->x.pos += n; offset -= n; } @@ -344,7 +432,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence) state->seek = 1; state->skip = offset; } - return state->pos + offset; + return state->x.pos + offset; } /* -- see zlib.h -- */ @@ -373,7 +461,7 @@ z_off64_t ZEXPORT gztell64(file) return -1; /* return position */ - return state->pos + (state->seek ? state->skip : 0); + return state->x.pos + (state->seek ? state->skip : 0); } /* -- see zlib.h -- */ @@ -433,8 +521,7 @@ int ZEXPORT gzeof(file) return 0; /* return end-of-file state */ - return state->mode == GZ_READ ? - (state->eof && state->strm.avail_in == 0 && state->have == 0) : 0; + return state->mode == GZ_READ ? state->past : 0; } /* -- see zlib.h -- */ @@ -454,7 +541,8 @@ const char * ZEXPORT gzerror(file, errnum) /* return error information */ if (errnum != NULL) *errnum = state->err; - return state->msg == NULL ? "" : state->msg; + return state->err == Z_MEM_ERROR ? "out of memory" : + (state->msg == NULL ? "" : state->msg); } /* -- see zlib.h -- */ @@ -471,8 +559,10 @@ void ZEXPORT gzclearerr(file) return; /* clear error and end-of-file */ - if (state->mode == GZ_READ) + if (state->mode == GZ_READ) { state->eof = 0; + state->past = 0; + } gz_error(state, Z_OK, NULL); } @@ -494,26 +584,33 @@ void ZLIB_INTERNAL gz_error(state, err, msg) state->msg = NULL; } + /* if fatal, set state->x.have to 0 so that the gzgetc() macro fails */ + if (err != Z_OK && err != Z_BUF_ERROR) + state->x.have = 0; + /* set error code, and if no message, then done */ state->err = err; if (msg == NULL) return; - /* for an out of memory error, save as static string */ - if (err == Z_MEM_ERROR) { - state->msg = (char *)msg; + /* for an out of memory error, return literal string when requested */ + if (err == Z_MEM_ERROR) return; - } /* construct error message with path */ - if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) { + if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) == + NULL) { state->err = Z_MEM_ERROR; - state->msg = (char *)"out of memory"; return; } +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(state->msg, strlen(state->path) + strlen(msg) + 3, + "%s%s%s", state->path, ": ", msg); +#else strcpy(state->msg, state->path); strcat(state->msg, ": "); strcat(state->msg, msg); +#endif return; } diff --git a/Modules/zlib/gzread.c b/Modules/zlib/gzread.c index 548201ab00..bf4538eb27 100644 --- a/Modules/zlib/gzread.c +++ b/Modules/zlib/gzread.c @@ -1,5 +1,5 @@ /* gzread.c -- zlib functions for reading gzip files - * Copyright (C) 2004, 2005, 2010 Mark Adler + * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -8,10 +8,9 @@ /* Local functions */ local int gz_load OF((gz_statep, unsigned char *, unsigned, unsigned *)); local int gz_avail OF((gz_statep)); -local int gz_next4 OF((gz_statep, unsigned long *)); -local int gz_head OF((gz_statep)); +local int gz_look OF((gz_statep)); local int gz_decomp OF((gz_statep)); -local int gz_make OF((gz_statep)); +local int gz_fetch OF((gz_statep)); local int gz_skip OF((gz_statep, z_off64_t)); /* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from @@ -46,73 +45,54 @@ local int gz_load(state, buf, len, have) error, 0 otherwise. Note that the eof flag is set when the end of the input file is reached, even though there may be unused data in the buffer. Once that data has been used, no more attempts will be made to read the file. - gz_avail() assumes that strm->avail_in == 0. */ + If strm->avail_in != 0, then the current data is moved to the beginning of + the input buffer, and then the remainder of the buffer is loaded with the + available data from the input file. */ local int gz_avail(state) gz_statep state; { + unsigned got; z_streamp strm = &(state->strm); - if (state->err != Z_OK) + if (state->err != Z_OK && state->err != Z_BUF_ERROR) return -1; if (state->eof == 0) { - if (gz_load(state, state->in, state->size, - (unsigned *)&(strm->avail_in)) == -1) + if (strm->avail_in) { /* copy what's there to the start */ + unsigned char *p = state->in; + unsigned const char *q = strm->next_in; + unsigned n = strm->avail_in; + do { + *p++ = *q++; + } while (--n); + } + if (gz_load(state, state->in + strm->avail_in, + state->size - strm->avail_in, &got) == -1) return -1; + strm->avail_in += got; strm->next_in = state->in; } return 0; } -/* Get next byte from input, or -1 if end or error. */ -#define NEXT() ((strm->avail_in == 0 && gz_avail(state) == -1) ? -1 : \ - (strm->avail_in == 0 ? -1 : \ - (strm->avail_in--, *(strm->next_in)++))) - -/* Get a four-byte little-endian integer and return 0 on success and the value - in *ret. Otherwise -1 is returned and *ret is not modified. */ -local int gz_next4(state, ret) - gz_statep state; - unsigned long *ret; -{ - int ch; - unsigned long val; - z_streamp strm = &(state->strm); - - val = NEXT(); - val += (unsigned)NEXT() << 8; - val += (unsigned long)NEXT() << 16; - ch = NEXT(); - if (ch == -1) - return -1; - val += (unsigned long)ch << 24; - *ret = val; - return 0; -} - -/* Look for gzip header, set up for inflate or copy. state->have must be zero. +/* Look for gzip header, set up for inflate or copy. state->x.have must be 0. If this is the first time in, allocate required memory. state->how will be left unchanged if there is no more input data available, will be set to COPY if there is no gzip header and direct copying will be performed, or it will - be set to GZIP for decompression, and the gzip header will be skipped so - that the next available input data is the raw deflate stream. If direct - copying, then leftover input data from the input buffer will be copied to - the output buffer. In that case, all further file reads will be directly to - either the output buffer or a user buffer. If decompressing, the inflate - state and the check value will be initialized. gz_head() will return 0 on - success or -1 on failure. Failures may include read errors or gzip header - errors. */ -local int gz_head(state) + be set to GZIP for decompression. If direct copying, then leftover input + data from the input buffer will be copied to the output buffer. In that + case, all further file reads will be directly to either the output buffer or + a user buffer. If decompressing, the inflate state will be initialized. + gz_look() will return 0 on success or -1 on failure. */ +local int gz_look(state) gz_statep state; { z_streamp strm = &(state->strm); - int flags; - unsigned len; /* allocate read buffers and inflate memory */ if (state->size == 0) { /* allocate buffers */ - state->in = malloc(state->want); - state->out = malloc(state->want << 1); + state->in = (unsigned char *)malloc(state->want); + state->out = (unsigned char *)malloc(state->want << 1); if (state->in == NULL || state->out == NULL) { if (state->out != NULL) free(state->out); @@ -129,7 +109,7 @@ local int gz_head(state) state->strm.opaque = Z_NULL; state->strm.avail_in = 0; state->strm.next_in = Z_NULL; - if (inflateInit2(&(state->strm), -15) != Z_OK) { /* raw inflate */ + if (inflateInit2(&(state->strm), 15 + 16) != Z_OK) { /* gunzip */ free(state->out); free(state->in); state->size = 0; @@ -138,83 +118,45 @@ local int gz_head(state) } } - /* get some data in the input buffer */ - if (strm->avail_in == 0) { + /* get at least the magic bytes in the input buffer */ + if (strm->avail_in < 2) { if (gz_avail(state) == -1) return -1; if (strm->avail_in == 0) return 0; } - /* look for the gzip magic header bytes 31 and 139 */ - if (strm->next_in[0] == 31) { - strm->avail_in--; - strm->next_in++; - if (strm->avail_in == 0 && gz_avail(state) == -1) - return -1; - if (strm->avail_in && strm->next_in[0] == 139) { - /* we have a gzip header, woo hoo! */ - strm->avail_in--; - strm->next_in++; - - /* skip rest of header */ - if (NEXT() != 8) { /* compression method */ - gz_error(state, Z_DATA_ERROR, "unknown compression method"); - return -1; - } - flags = NEXT(); - if (flags & 0xe0) { /* reserved flag bits */ - gz_error(state, Z_DATA_ERROR, "unknown header flags set"); - return -1; - } - NEXT(); /* modification time */ - NEXT(); - NEXT(); - NEXT(); - NEXT(); /* extra flags */ - NEXT(); /* operating system */ - if (flags & 4) { /* extra field */ - len = (unsigned)NEXT(); - len += (unsigned)NEXT() << 8; - while (len--) - if (NEXT() < 0) - break; - } - if (flags & 8) /* file name */ - while (NEXT() > 0) - ; - if (flags & 16) /* comment */ - while (NEXT() > 0) - ; - if (flags & 2) { /* header crc */ - NEXT(); - NEXT(); - } - /* an unexpected end of file is not checked for here -- it will be - noticed on the first request for uncompressed data */ - - /* set up for decompression */ - inflateReset(strm); - strm->adler = crc32(0L, Z_NULL, 0); - state->how = GZIP; - state->direct = 0; - return 0; - } - else { - /* not a gzip file -- save first byte (31) and fall to raw i/o */ - state->out[0] = 31; - state->have = 1; - } + /* look for gzip magic bytes -- if there, do gzip decoding (note: there is + a logical dilemma here when considering the case of a partially written + gzip file, to wit, if a single 31 byte is written, then we cannot tell + whether this is a single-byte file, or just a partially written gzip + file -- for here we assume that if a gzip file is being written, then + the header will be written in a single operation, so that reading a + single byte is sufficient indication that it is not a gzip file) */ + if (strm->avail_in > 1 && + strm->next_in[0] == 31 && strm->next_in[1] == 139) { + inflateReset(strm); + state->how = GZIP; + state->direct = 0; + return 0; + } + + /* no gzip header -- if we were decoding gzip before, then this is trailing + garbage. Ignore the trailing garbage and finish. */ + if (state->direct == 0) { + strm->avail_in = 0; + state->eof = 1; + state->x.have = 0; + return 0; } - /* doing raw i/o, save start of raw data for seeking, copy any leftover - input to output -- this assumes that the output buffer is larger than - the input buffer, which also assures space for gzungetc() */ - state->raw = state->pos; - state->next = state->out; + /* doing raw i/o, copy any leftover input to output -- this assumes that + the output buffer is larger than the input buffer, which also assures + space for gzungetc() */ + state->x.next = state->out; if (strm->avail_in) { - memcpy(state->next + state->have, strm->next_in, strm->avail_in); - state->have += strm->avail_in; + memcpy(state->x.next, strm->next_in, strm->avail_in); + state->x.have = strm->avail_in; strm->avail_in = 0; } state->how = COPY; @@ -223,19 +165,15 @@ local int gz_head(state) } /* Decompress from input to the provided next_out and avail_out in the state. - If the end of the compressed data is reached, then verify the gzip trailer - check value and length (modulo 2^32). state->have and state->next are set - to point to the just decompressed data, and the crc is updated. If the - trailer is verified, state->how is reset to LOOK to look for the next gzip - stream or raw data, once state->have is depleted. Returns 0 on success, -1 - on failure. Failures may include invalid compressed data or a failed gzip - trailer verification. */ + On return, state->x.have and state->x.next point to the just decompressed + data. If the gzip stream completes, state->how is reset to LOOK to look for + the next gzip stream or raw data, once state->x.have is depleted. Returns 0 + on success, -1 on failure. */ local int gz_decomp(state) gz_statep state; { - int ret; + int ret = Z_OK; unsigned had; - unsigned long crc, len; z_streamp strm = &(state->strm); /* fill output buffer up to end of deflate stream */ @@ -245,15 +183,15 @@ local int gz_decomp(state) if (strm->avail_in == 0 && gz_avail(state) == -1) return -1; if (strm->avail_in == 0) { - gz_error(state, Z_DATA_ERROR, "unexpected end of file"); - return -1; + gz_error(state, Z_BUF_ERROR, "unexpected end of file"); + break; } /* decompress and handle errors */ ret = inflate(strm, Z_NO_FLUSH); if (ret == Z_STREAM_ERROR || ret == Z_NEED_DICT) { gz_error(state, Z_STREAM_ERROR, - "internal error: inflate stream corrupt"); + "internal error: inflate stream corrupt"); return -1; } if (ret == Z_MEM_ERROR) { @@ -262,67 +200,55 @@ local int gz_decomp(state) } if (ret == Z_DATA_ERROR) { /* deflate stream invalid */ gz_error(state, Z_DATA_ERROR, - strm->msg == NULL ? "compressed data error" : strm->msg); + strm->msg == NULL ? "compressed data error" : strm->msg); return -1; } } while (strm->avail_out && ret != Z_STREAM_END); - /* update available output and crc check value */ - state->have = had - strm->avail_out; - state->next = strm->next_out - state->have; - strm->adler = crc32(strm->adler, state->next, state->have); + /* update available output */ + state->x.have = had - strm->avail_out; + state->x.next = strm->next_out - state->x.have; - /* check gzip trailer if at end of deflate stream */ - if (ret == Z_STREAM_END) { - if (gz_next4(state, &crc) == -1 || gz_next4(state, &len) == -1) { - gz_error(state, Z_DATA_ERROR, "unexpected end of file"); - return -1; - } - if (crc != strm->adler) { - gz_error(state, Z_DATA_ERROR, "incorrect data check"); - return -1; - } - if (len != (strm->total_out & 0xffffffffL)) { - gz_error(state, Z_DATA_ERROR, "incorrect length check"); - return -1; - } - state->how = LOOK; /* ready for next stream, once have is 0 (leave - state->direct unchanged to remember how) */ - } + /* if the gzip stream completed successfully, look for another */ + if (ret == Z_STREAM_END) + state->how = LOOK; /* good decompression */ return 0; } -/* Make data and put in the output buffer. Assumes that state->have == 0. +/* Fetch data and put it in the output buffer. Assumes state->x.have is 0. Data is either copied from the input file or decompressed from the input file depending on state->how. If state->how is LOOK, then a gzip header is - looked for (and skipped if found) to determine wither to copy or decompress. - Returns -1 on error, otherwise 0. gz_make() will leave state->have as COPY - or GZIP unless the end of the input file has been reached and all data has - been processed. */ -local int gz_make(state) + looked for to determine whether to copy or decompress. Returns -1 on error, + otherwise 0. gz_fetch() will leave state->how as COPY or GZIP unless the + end of the input file has been reached and all data has been processed. */ +local int gz_fetch(state) gz_statep state; { z_streamp strm = &(state->strm); - if (state->how == LOOK) { /* look for gzip header */ - if (gz_head(state) == -1) - return -1; - if (state->have) /* got some data from gz_head() */ + do { + switch(state->how) { + case LOOK: /* -> LOOK, COPY (only if never GZIP), or GZIP */ + if (gz_look(state) == -1) + return -1; + if (state->how == LOOK) + return 0; + break; + case COPY: /* -> COPY */ + if (gz_load(state, state->out, state->size << 1, &(state->x.have)) + == -1) + return -1; + state->x.next = state->out; return 0; - } - if (state->how == COPY) { /* straight copy */ - if (gz_load(state, state->out, state->size << 1, &(state->have)) == -1) - return -1; - state->next = state->out; - } - else if (state->how == GZIP) { /* decompress */ - strm->avail_out = state->size << 1; - strm->next_out = state->out; - if (gz_decomp(state) == -1) - return -1; - } + case GZIP: /* -> GZIP or LOOK (if end of gzip stream) */ + strm->avail_out = state->size << 1; + strm->next_out = state->out; + if (gz_decomp(state) == -1) + return -1; + } + } while (state->x.have == 0 && (!state->eof || strm->avail_in)); return 0; } @@ -336,12 +262,12 @@ local int gz_skip(state, len) /* skip over len bytes or reach end-of-file, whichever comes first */ while (len) /* skip over whatever is in output buffer */ - if (state->have) { - n = GT_OFF(state->have) || (z_off64_t)state->have > len ? - (unsigned)len : state->have; - state->have -= n; - state->next += n; - state->pos += n; + if (state->x.have) { + n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > len ? + (unsigned)len : state->x.have; + state->x.have -= n; + state->x.next += n; + state->x.pos += n; len -= n; } @@ -352,7 +278,7 @@ local int gz_skip(state, len) /* need more data to skip -- load up output buffer */ else { /* get more output, looking for header if required */ - if (gz_make(state) == -1) + if (gz_fetch(state) == -1) return -1; } return 0; @@ -374,14 +300,15 @@ int ZEXPORT gzread(file, buf, len) state = (gz_statep)file; strm = &(state->strm); - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) return -1; /* since an int is returned, make sure len fits in one, otherwise return with an error (this avoids the flaw in the interface) */ if ((int)len < 0) { - gz_error(state, Z_BUF_ERROR, "requested length does not fit in int"); + gz_error(state, Z_DATA_ERROR, "requested length does not fit in int"); return -1; } @@ -400,49 +327,51 @@ int ZEXPORT gzread(file, buf, len) got = 0; do { /* first just try copying data from the output buffer */ - if (state->have) { - n = state->have > len ? len : state->have; - memcpy(buf, state->next, n); - state->next += n; - state->have -= n; + if (state->x.have) { + n = state->x.have > len ? len : state->x.have; + memcpy(buf, state->x.next, n); + state->x.next += n; + state->x.have -= n; } /* output buffer empty -- return if we're at the end of the input */ - else if (state->eof && strm->avail_in == 0) + else if (state->eof && strm->avail_in == 0) { + state->past = 1; /* tried to read past end */ break; + } /* need output data -- for small len or new stream load up our output buffer */ else if (state->how == LOOK || len < (state->size << 1)) { /* get more output, looking for header if required */ - if (gz_make(state) == -1) + if (gz_fetch(state) == -1) return -1; - continue; /* no progress yet -- go back to memcpy() above */ + continue; /* no progress yet -- go back to copy above */ /* the copy above assures that we will leave with space in the output buffer, allowing at least one gzungetc() to succeed */ } /* large len -- read directly into user buffer */ else if (state->how == COPY) { /* read directly */ - if (gz_load(state, buf, len, &n) == -1) + if (gz_load(state, (unsigned char *)buf, len, &n) == -1) return -1; } /* large len -- decompress directly into user buffer */ else { /* state->how == GZIP */ strm->avail_out = len; - strm->next_out = buf; + strm->next_out = (unsigned char *)buf; if (gz_decomp(state) == -1) return -1; - n = state->have; - state->have = 0; + n = state->x.have; + state->x.have = 0; } /* update progress */ len -= n; buf = (char *)buf + n; got += n; - state->pos += n; + state->x.pos += n; } while (len); /* return number of bytes read into user buffer (will fit in int) */ @@ -450,6 +379,11 @@ int ZEXPORT gzread(file, buf, len) } /* -- see zlib.h -- */ +#ifdef Z_PREFIX_SET +# undef z_gzgetc +#else +# undef gzgetc +#endif int ZEXPORT gzgetc(file) gzFile file; { @@ -462,15 +396,16 @@ int ZEXPORT gzgetc(file) return -1; state = (gz_statep)file; - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) return -1; /* try output buffer (no need to check for skip request) */ - if (state->have) { - state->have--; - state->pos++; - return *(state->next)++; + if (state->x.have) { + state->x.have--; + state->x.pos++; + return *(state->x.next)++; } /* nothing there -- try gzread() */ @@ -478,6 +413,12 @@ int ZEXPORT gzgetc(file) return ret < 1 ? -1 : buf[0]; } +int ZEXPORT gzgetc_(file) +gzFile file; +{ + return gzgetc(file); +} + /* -- see zlib.h -- */ int ZEXPORT gzungetc(c, file) int c; @@ -490,8 +431,9 @@ int ZEXPORT gzungetc(c, file) return -1; state = (gz_statep)file; - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) return -1; /* process a skip request */ @@ -506,32 +448,34 @@ int ZEXPORT gzungetc(c, file) return -1; /* if output buffer empty, put byte at end (allows more pushing) */ - if (state->have == 0) { - state->have = 1; - state->next = state->out + (state->size << 1) - 1; - state->next[0] = c; - state->pos--; + if (state->x.have == 0) { + state->x.have = 1; + state->x.next = state->out + (state->size << 1) - 1; + state->x.next[0] = c; + state->x.pos--; + state->past = 0; return c; } /* if no room, give up (must have already done a gzungetc()) */ - if (state->have == (state->size << 1)) { - gz_error(state, Z_BUF_ERROR, "out of room to push characters"); + if (state->x.have == (state->size << 1)) { + gz_error(state, Z_DATA_ERROR, "out of room to push characters"); return -1; } /* slide output data if needed and insert byte before existing data */ - if (state->next == state->out) { - unsigned char *src = state->out + state->have; + if (state->x.next == state->out) { + unsigned char *src = state->out + state->x.have; unsigned char *dest = state->out + (state->size << 1); while (src > state->out) *--dest = *--src; - state->next = dest; + state->x.next = dest; } - state->have++; - state->next--; - state->next[0] = c; - state->pos--; + state->x.have++; + state->x.next--; + state->x.next[0] = c; + state->x.pos--; + state->past = 0; return c; } @@ -551,8 +495,9 @@ char * ZEXPORT gzgets(file, buf, len) return NULL; state = (gz_statep)file; - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) return NULL; /* process a skip request */ @@ -569,32 +514,31 @@ char * ZEXPORT gzgets(file, buf, len) left = (unsigned)len - 1; if (left) do { /* assure that something is in the output buffer */ - if (state->have == 0) { - if (gz_make(state) == -1) - return NULL; /* error */ - if (state->have == 0) { /* end of file */ - if (buf == str) /* got bupkus */ - return NULL; - break; /* got something -- return it */ - } + if (state->x.have == 0 && gz_fetch(state) == -1) + return NULL; /* error */ + if (state->x.have == 0) { /* end of file */ + state->past = 1; /* read past end */ + break; /* return what we have */ } /* look for end-of-line in current output buffer */ - n = state->have > left ? left : state->have; - eol = memchr(state->next, '\n', n); + n = state->x.have > left ? left : state->x.have; + eol = (unsigned char *)memchr(state->x.next, '\n', n); if (eol != NULL) - n = (unsigned)(eol - state->next) + 1; + n = (unsigned)(eol - state->x.next) + 1; /* copy through end-of-line, or remainder if not found */ - memcpy(buf, state->next, n); - state->have -= n; - state->next += n; - state->pos += n; + memcpy(buf, state->x.next, n); + state->x.have -= n; + state->x.next += n; + state->x.pos += n; left -= n; buf += n; } while (left && eol == NULL); - /* found end-of-line or out of space -- terminate string and return it */ + /* return terminated string, or if nothing, end of file */ + if (buf == str) + return NULL; buf[0] = 0; return str; } @@ -610,16 +554,12 @@ int ZEXPORT gzdirect(file) return 0; state = (gz_statep)file; - /* check that we're reading */ - if (state->mode != GZ_READ) - return 0; - /* if the state is not known, but we can find out, then do so (this is mainly for right after a gzopen() or gzdopen()) */ - if (state->how == LOOK && state->have == 0) - (void)gz_head(state); + if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0) + (void)gz_look(state); - /* return 1 if reading direct, 0 if decompressing a gzip stream */ + /* return 1 if transparent, 0 if processing a gzip stream */ return state->direct; } @@ -627,7 +567,7 @@ int ZEXPORT gzdirect(file) int ZEXPORT gzclose_r(file) gzFile file; { - int ret; + int ret, err; gz_statep state; /* get internal structure */ @@ -645,9 +585,10 @@ int ZEXPORT gzclose_r(file) free(state->out); free(state->in); } + err = state->err == Z_BUF_ERROR ? Z_BUF_ERROR : Z_OK; gz_error(state, Z_OK, NULL); free(state->path); ret = close(state->fd); free(state); - return ret ? Z_ERRNO : Z_OK; + return ret ? Z_ERRNO : err; } diff --git a/Modules/zlib/gzwrite.c b/Modules/zlib/gzwrite.c index e8defc6887..aa767fbf63 100644 --- a/Modules/zlib/gzwrite.c +++ b/Modules/zlib/gzwrite.c @@ -1,5 +1,5 @@ /* gzwrite.c -- zlib functions for writing gzip files - * Copyright (C) 2004, 2005, 2010 Mark Adler + * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -18,44 +18,55 @@ local int gz_init(state) int ret; z_streamp strm = &(state->strm); - /* allocate input and output buffers */ - state->in = malloc(state->want); - state->out = malloc(state->want); - if (state->in == NULL || state->out == NULL) { - if (state->out != NULL) - free(state->out); - if (state->in != NULL) - free(state->in); + /* allocate input buffer */ + state->in = (unsigned char *)malloc(state->want); + if (state->in == NULL) { gz_error(state, Z_MEM_ERROR, "out of memory"); return -1; } - /* allocate deflate memory, set up for gzip compression */ - strm->zalloc = Z_NULL; - strm->zfree = Z_NULL; - strm->opaque = Z_NULL; - ret = deflateInit2(strm, state->level, Z_DEFLATED, - 15 + 16, 8, state->strategy); - if (ret != Z_OK) { - free(state->in); - gz_error(state, Z_MEM_ERROR, "out of memory"); - return -1; + /* only need output buffer and deflate state if compressing */ + if (!state->direct) { + /* allocate output buffer */ + state->out = (unsigned char *)malloc(state->want); + if (state->out == NULL) { + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + + /* allocate deflate memory, set up for gzip compression */ + strm->zalloc = Z_NULL; + strm->zfree = Z_NULL; + strm->opaque = Z_NULL; + ret = deflateInit2(strm, state->level, Z_DEFLATED, + MAX_WBITS + 16, DEF_MEM_LEVEL, state->strategy); + if (ret != Z_OK) { + free(state->out); + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } } /* mark state as initialized */ state->size = state->want; - /* initialize write buffer */ - strm->avail_out = state->size; - strm->next_out = state->out; - state->next = strm->next_out; + /* initialize write buffer if compressing */ + if (!state->direct) { + strm->avail_out = state->size; + strm->next_out = state->out; + state->x.next = strm->next_out; + } return 0; } /* Compress whatever is at avail_in and next_in and write to the output file. Return -1 if there is an error writing to the output file, otherwise 0. flush is assumed to be a valid deflate() flush value. If flush is Z_FINISH, - then the deflate() state is reset to start a new gzip stream. */ + then the deflate() state is reset to start a new gzip stream. If gz->direct + is true, then simply write to the output file without compressing, and + ignore flush. */ local int gz_comp(state, flush) gz_statep state; int flush; @@ -68,6 +79,17 @@ local int gz_comp(state, flush) if (state->size == 0 && gz_init(state) == -1) return -1; + /* write directly if requested */ + if (state->direct) { + got = write(state->fd, strm->next_in, strm->avail_in); + if (got < 0 || (unsigned)got != strm->avail_in) { + gz_error(state, Z_ERRNO, zstrerror()); + return -1; + } + strm->avail_in = 0; + return 0; + } + /* run deflate() on provided input until it produces no more output */ ret = Z_OK; do { @@ -75,8 +97,8 @@ local int gz_comp(state, flush) doing Z_FINISH then don't write until we get to Z_STREAM_END */ if (strm->avail_out == 0 || (flush != Z_NO_FLUSH && (flush != Z_FINISH || ret == Z_STREAM_END))) { - have = (unsigned)(strm->next_out - state->next); - if (have && ((got = write(state->fd, state->next, have)) < 0 || + have = (unsigned)(strm->next_out - state->x.next); + if (have && ((got = write(state->fd, state->x.next, have)) < 0 || (unsigned)got != have)) { gz_error(state, Z_ERRNO, zstrerror()); return -1; @@ -85,7 +107,7 @@ local int gz_comp(state, flush) strm->avail_out = state->size; strm->next_out = state->out; } - state->next = strm->next_out; + state->x.next = strm->next_out; } /* compress */ @@ -131,7 +153,7 @@ local int gz_zero(state, len) } strm->avail_in = n; strm->next_in = state->in; - state->pos += n; + state->x.pos += n; if (gz_comp(state, Z_NO_FLUSH) == -1) return -1; len -= n; @@ -146,7 +168,6 @@ int ZEXPORT gzwrite(file, buf, len) unsigned len; { unsigned put = len; - unsigned n; gz_statep state; z_streamp strm; @@ -163,7 +184,7 @@ int ZEXPORT gzwrite(file, buf, len) /* since an int is returned, make sure len fits in one, otherwise return with an error (this avoids the flaw in the interface) */ if ((int)len < 0) { - gz_error(state, Z_BUF_ERROR, "requested length does not fit in int"); + gz_error(state, Z_DATA_ERROR, "requested length does not fit in int"); return 0; } @@ -186,16 +207,19 @@ int ZEXPORT gzwrite(file, buf, len) if (len < state->size) { /* copy to input buffer, compress when full */ do { + unsigned have, copy; + if (strm->avail_in == 0) strm->next_in = state->in; - n = state->size - strm->avail_in; - if (n > len) - n = len; - memcpy(strm->next_in + strm->avail_in, buf, n); - strm->avail_in += n; - state->pos += n; - buf = (char *)buf + n; - len -= n; + have = (unsigned)((strm->next_in + strm->avail_in) - state->in); + copy = state->size - have; + if (copy > len) + copy = len; + memcpy(state->in + have, buf, copy); + strm->avail_in += copy; + state->x.pos += copy; + buf = (const char *)buf + copy; + len -= copy; if (len && gz_comp(state, Z_NO_FLUSH) == -1) return 0; } while (len); @@ -207,8 +231,8 @@ int ZEXPORT gzwrite(file, buf, len) /* directly compress user buffer to file */ strm->avail_in = len; - strm->next_in = (voidp)buf; - state->pos += len; + strm->next_in = (z_const Bytef *)buf; + state->x.pos += len; if (gz_comp(state, Z_NO_FLUSH) == -1) return 0; } @@ -222,6 +246,7 @@ int ZEXPORT gzputc(file, c) gzFile file; int c; { + unsigned have; unsigned char buf[1]; gz_statep state; z_streamp strm; @@ -245,19 +270,23 @@ int ZEXPORT gzputc(file, c) /* try writing to input buffer for speed (state->size == 0 if buffer not initialized) */ - if (strm->avail_in < state->size) { + if (state->size) { if (strm->avail_in == 0) strm->next_in = state->in; - strm->next_in[strm->avail_in++] = c; - state->pos++; - return c; + have = (unsigned)((strm->next_in + strm->avail_in) - state->in); + if (have < state->size) { + state->in[have] = c; + strm->avail_in++; + state->x.pos++; + return c & 0xff; + } } /* no room in buffer or not initialized, use gz_write() */ buf[0] = c; if (gzwrite(file, buf, 1) != 1) return -1; - return c; + return c & 0xff; } /* -- see zlib.h -- */ @@ -274,16 +303,15 @@ int ZEXPORT gzputs(file, str) return ret == 0 && len != 0 ? -1 : ret; } -#ifdef STDC +#if defined(STDC) || defined(Z_HAVE_STDARG_H) #include <stdarg.h> /* -- see zlib.h -- */ -int ZEXPORTVA gzprintf (gzFile file, const char *format, ...) +int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va) { int size, len; gz_statep state; z_streamp strm; - va_list va; /* get internal structure */ if (file == NULL) @@ -313,25 +341,20 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...) /* do the printf() into the input buffer, put length in len */ size = (int)(state->size); state->in[size - 1] = 0; - va_start(va, format); #ifdef NO_vsnprintf # ifdef HAS_vsprintf_void - (void)vsprintf(state->in, format, va); - va_end(va); + (void)vsprintf((char *)(state->in), format, va); for (len = 0; len < size; len++) if (state->in[len] == 0) break; # else - len = vsprintf(state->in, format, va); - va_end(va); + len = vsprintf((char *)(state->in), format, va); # endif #else # ifdef HAS_vsnprintf_void - (void)vsnprintf(state->in, size, format, va); - va_end(va); - len = strlen(state->in); + (void)vsnprintf((char *)(state->in), size, format, va); + len = strlen((char *)(state->in)); # else len = vsnprintf((char *)(state->in), size, format, va); - va_end(va); # endif #endif @@ -342,11 +365,22 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...) /* update buffer and position, defer compression until needed */ strm->avail_in = (unsigned)len; strm->next_in = state->in; - state->pos += len; + state->x.pos += len; return len; } -#else /* !STDC */ +int ZEXPORTVA gzprintf(gzFile file, const char *format, ...) +{ + va_list va; + int ret; + + va_start(va, format); + ret = gzvprintf(file, format, va); + va_end(va); + return ret; +} + +#else /* !STDC && !Z_HAVE_STDARG_H */ /* -- see zlib.h -- */ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, @@ -366,6 +400,10 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, state = (gz_statep)file; strm = &(state->strm); + /* check that can really pass pointer in ints */ + if (sizeof(int) != sizeof(void *)) + return 0; + /* check that we're writing and that there's no error */ if (state->mode != GZ_WRITE || state->err != Z_OK) return 0; @@ -390,22 +428,23 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, state->in[size - 1] = 0; #ifdef NO_snprintf # ifdef HAS_sprintf_void - sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8, + sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); for (len = 0; len < size; len++) if (state->in[len] == 0) break; # else - len = sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); + len = sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8, + a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); # endif #else # ifdef HAS_snprintf_void - snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8, + snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); - len = strlen(state->in); + len = strlen((char *)(state->in)); # else - len = snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); + len = snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6, + a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, + a19, a20); # endif #endif @@ -416,7 +455,7 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, /* update buffer and position, defer compression until needed */ strm->avail_in = (unsigned)len; strm->next_in = state->in; - state->pos += len; + state->x.pos += len; return len; } @@ -500,7 +539,7 @@ int ZEXPORT gzsetparams(file, level, strategy) int ZEXPORT gzclose_w(file) gzFile file; { - int ret = 0; + int ret = Z_OK; gz_statep state; /* get internal structure */ @@ -515,17 +554,24 @@ int ZEXPORT gzclose_w(file) /* check for seek request */ if (state->seek) { state->seek = 0; - ret += gz_zero(state, state->skip); + if (gz_zero(state, state->skip) == -1) + ret = state->err; } /* flush, free memory, and close file */ - ret += gz_comp(state, Z_FINISH); - (void)deflateEnd(&(state->strm)); - free(state->out); - free(state->in); + if (gz_comp(state, Z_FINISH) == -1) + ret = state->err; + if (state->size) { + if (!state->direct) { + (void)deflateEnd(&(state->strm)); + free(state->out); + } + free(state->in); + } gz_error(state, Z_OK, NULL); free(state->path); - ret += close(state->fd); + if (close(state->fd) == -1) + ret = Z_ERRNO; free(state); - return ret ? Z_ERRNO : Z_OK; + return ret; } diff --git a/Modules/zlib/infback.c b/Modules/zlib/infback.c index af3a8c965d..f3833c2e43 100644 --- a/Modules/zlib/infback.c +++ b/Modules/zlib/infback.c @@ -1,5 +1,5 @@ /* infback.c -- inflate using a call-back interface - * Copyright (C) 1995-2009 Mark Adler + * Copyright (C) 1995-2011 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -42,10 +42,19 @@ int stream_size; return Z_STREAM_ERROR; strm->msg = Z_NULL; /* in case we return an error */ if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else strm->zalloc = zcalloc; strm->opaque = (voidpf)0; +#endif } - if (strm->zfree == (free_func)0) strm->zfree = zcfree; + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif state = (struct inflate_state FAR *)ZALLOC(strm, 1, sizeof(struct inflate_state)); if (state == Z_NULL) return Z_MEM_ERROR; @@ -246,7 +255,7 @@ out_func out; void FAR *out_desc; { struct inflate_state FAR *state; - unsigned char FAR *next; /* next input */ + z_const unsigned char FAR *next; /* next input */ unsigned char FAR *put; /* next output */ unsigned have, left; /* available input and output */ unsigned long hold; /* bit buffer */ @@ -394,7 +403,6 @@ void FAR *out_desc; PULLBYTE(); } if (here.val < 16) { - NEEDBITS(here.bits); DROPBITS(here.bits); state->lens[state->have++] = here.val; } diff --git a/Modules/zlib/inffast.c b/Modules/zlib/inffast.c index 2f1d60b43b..bda59ceb6a 100644 --- a/Modules/zlib/inffast.c +++ b/Modules/zlib/inffast.c @@ -1,5 +1,5 @@ /* inffast.c -- fast decoding - * Copyright (C) 1995-2008, 2010 Mark Adler + * Copyright (C) 1995-2008, 2010, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -69,8 +69,8 @@ z_streamp strm; unsigned start; /* inflate()'s starting value for strm->avail_out */ { struct inflate_state FAR *state; - unsigned char FAR *in; /* local strm->next_in */ - unsigned char FAR *last; /* while in < last, enough input available */ + z_const unsigned char FAR *in; /* local strm->next_in */ + z_const unsigned char FAR *last; /* have enough input while in < last */ unsigned char FAR *out; /* local strm->next_out */ unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ unsigned char FAR *end; /* while out < end, enough space available */ diff --git a/Modules/zlib/inffixed.h b/Modules/zlib/inffixed.h index 75ed4b5978..d628327769 100644 --- a/Modules/zlib/inffixed.h +++ b/Modules/zlib/inffixed.h @@ -2,9 +2,9 @@ * Generated automatically by makefixed(). */ - /* WARNING: this file should *not* be used by applications. It - is part of the implementation of the compression library and - is subject to change. Applications should only use zlib.h. + /* WARNING: this file should *not* be used by applications. + It is part of the implementation of this library and is + subject to change. Applications should only use zlib.h. */ static const code lenfix[512] = { diff --git a/Modules/zlib/inflate.c b/Modules/zlib/inflate.c index a8431abeac..870f89bb4d 100644 --- a/Modules/zlib/inflate.c +++ b/Modules/zlib/inflate.c @@ -1,5 +1,5 @@ /* inflate.c -- zlib decompression - * Copyright (C) 1995-2010 Mark Adler + * Copyright (C) 1995-2012 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -93,14 +93,15 @@ /* function prototypes */ local void fixedtables OF((struct inflate_state FAR *state)); -local int updatewindow OF((z_streamp strm, unsigned out)); +local int updatewindow OF((z_streamp strm, const unsigned char FAR *end, + unsigned copy)); #ifdef BUILDFIXED void makefixed OF((void)); #endif -local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf, +local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf, unsigned len)); -int ZEXPORT inflateReset(strm) +int ZEXPORT inflateResetKeep(strm) z_streamp strm; { struct inflate_state FAR *state; @@ -109,15 +110,13 @@ z_streamp strm; state = (struct inflate_state FAR *)strm->state; strm->total_in = strm->total_out = state->total = 0; strm->msg = Z_NULL; - strm->adler = 1; /* to support ill-conceived Java test suite */ + if (state->wrap) /* to support ill-conceived Java test suite */ + strm->adler = state->wrap & 1; state->mode = HEAD; state->last = 0; state->havedict = 0; state->dmax = 32768U; state->head = Z_NULL; - state->wsize = 0; - state->whave = 0; - state->wnext = 0; state->hold = 0; state->bits = 0; state->lencode = state->distcode = state->next = state->codes; @@ -127,6 +126,19 @@ z_streamp strm; return Z_OK; } +int ZEXPORT inflateReset(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + state->wsize = 0; + state->whave = 0; + state->wnext = 0; + return inflateResetKeep(strm); +} + int ZEXPORT inflateReset2(strm, windowBits) z_streamp strm; int windowBits; @@ -180,10 +192,19 @@ int stream_size; if (strm == Z_NULL) return Z_STREAM_ERROR; strm->msg = Z_NULL; /* in case we return an error */ if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else strm->zalloc = zcalloc; strm->opaque = (voidpf)0; +#endif } - if (strm->zfree == (free_func)0) strm->zfree = zcfree; + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif state = (struct inflate_state FAR *) ZALLOC(strm, 1, sizeof(struct inflate_state)); if (state == Z_NULL) return Z_MEM_ERROR; @@ -321,8 +342,8 @@ void makefixed() low = 0; for (;;) { if ((low % 7) == 0) printf("\n "); - printf("{%u,%u,%d}", state.lencode[low].op, state.lencode[low].bits, - state.lencode[low].val); + printf("{%u,%u,%d}", (low & 127) == 99 ? 64 : state.lencode[low].op, + state.lencode[low].bits, state.lencode[low].val); if (++low == size) break; putchar(','); } @@ -355,12 +376,13 @@ void makefixed() output will fall in the output data, making match copies simpler and faster. The advantage may be dependent on the size of the processor's data caches. */ -local int updatewindow(strm, out) +local int updatewindow(strm, end, copy) z_streamp strm; -unsigned out; +const Bytef *end; +unsigned copy; { struct inflate_state FAR *state; - unsigned copy, dist; + unsigned dist; state = (struct inflate_state FAR *)strm->state; @@ -380,19 +402,18 @@ unsigned out; } /* copy state->wsize or less output bytes into the circular window */ - copy = out - strm->avail_out; if (copy >= state->wsize) { - zmemcpy(state->window, strm->next_out - state->wsize, state->wsize); + zmemcpy(state->window, end - state->wsize, state->wsize); state->wnext = 0; state->whave = state->wsize; } else { dist = state->wsize - state->wnext; if (dist > copy) dist = copy; - zmemcpy(state->window + state->wnext, strm->next_out - copy, dist); + zmemcpy(state->window + state->wnext, end - copy, dist); copy -= dist; if (copy) { - zmemcpy(state->window, strm->next_out - copy, copy); + zmemcpy(state->window, end - copy, copy); state->wnext = copy; state->whave = state->wsize; } @@ -499,11 +520,6 @@ unsigned out; bits -= bits & 7; \ } while (0) -/* Reverse the bytes in a 32-bit value */ -#define REVERSE(q) \ - ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ - (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) - /* inflate() uses a state machine to process as much input data and generate as much output data as possible before returning. The state machine is @@ -591,7 +607,7 @@ z_streamp strm; int flush; { struct inflate_state FAR *state; - unsigned char FAR *next; /* next input */ + z_const unsigned char FAR *next; /* next input */ unsigned char FAR *put; /* next output */ unsigned have, left; /* available input and output */ unsigned long hold; /* bit buffer */ @@ -797,7 +813,7 @@ int flush; #endif case DICTID: NEEDBITS(32); - strm->adler = state->check = REVERSE(hold); + strm->adler = state->check = ZSWAP32(hold); INITBITS(); state->mode = DICT; case DICT: @@ -905,7 +921,7 @@ int flush; while (state->have < 19) state->lens[order[state->have++]] = 0; state->next = state->codes; - state->lencode = (code const FAR *)(state->next); + state->lencode = (const code FAR *)(state->next); state->lenbits = 7; ret = inflate_table(CODES, state->lens, 19, &(state->next), &(state->lenbits), state->work); @@ -925,7 +941,6 @@ int flush; PULLBYTE(); } if (here.val < 16) { - NEEDBITS(here.bits); DROPBITS(here.bits); state->lens[state->have++] = here.val; } @@ -980,7 +995,7 @@ int flush; values here (9 and 6) without reading the comments in inftrees.h concerning the ENOUGH constants, which depend on those values */ state->next = state->codes; - state->lencode = (code const FAR *)(state->next); + state->lencode = (const code FAR *)(state->next); state->lenbits = 9; ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), &(state->lenbits), state->work); @@ -989,7 +1004,7 @@ int flush; state->mode = BAD; break; } - state->distcode = (code const FAR *)(state->next); + state->distcode = (const code FAR *)(state->next); state->distbits = 6; ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, &(state->next), &(state->distbits), state->work); @@ -1170,7 +1185,7 @@ int flush; #ifdef GUNZIP state->flags ? hold : #endif - REVERSE(hold)) != state->check) { + ZSWAP32(hold)) != state->check) { strm->msg = (char *)"incorrect data check"; state->mode = BAD; break; @@ -1214,8 +1229,9 @@ int flush; */ inf_leave: RESTORE(); - if (state->wsize || (state->mode < CHECK && out != strm->avail_out)) - if (updatewindow(strm, out)) { + if (state->wsize || (out != strm->avail_out && state->mode < BAD && + (state->mode < CHECK || flush != Z_FINISH))) + if (updatewindow(strm, strm->next_out, out - strm->avail_out)) { state->mode = MEM; return Z_MEM_ERROR; } @@ -1249,13 +1265,37 @@ z_streamp strm; return Z_OK; } +int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength) +z_streamp strm; +Bytef *dictionary; +uInt *dictLength; +{ + struct inflate_state FAR *state; + + /* check state */ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* copy dictionary */ + if (state->whave && dictionary != Z_NULL) { + zmemcpy(dictionary, state->window + state->wnext, + state->whave - state->wnext); + zmemcpy(dictionary + state->whave - state->wnext, + state->window, state->wnext); + } + if (dictLength != Z_NULL) + *dictLength = state->whave; + return Z_OK; +} + int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength) z_streamp strm; const Bytef *dictionary; uInt dictLength; { struct inflate_state FAR *state; - unsigned long id; + unsigned long dictid; + int ret; /* check state */ if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; @@ -1263,29 +1303,21 @@ uInt dictLength; if (state->wrap != 0 && state->mode != DICT) return Z_STREAM_ERROR; - /* check for correct dictionary id */ + /* check for correct dictionary identifier */ if (state->mode == DICT) { - id = adler32(0L, Z_NULL, 0); - id = adler32(id, dictionary, dictLength); - if (id != state->check) + dictid = adler32(0L, Z_NULL, 0); + dictid = adler32(dictid, dictionary, dictLength); + if (dictid != state->check) return Z_DATA_ERROR; } - /* copy dictionary to window */ - if (updatewindow(strm, strm->avail_out)) { + /* copy dictionary to window using updatewindow(), which will amend the + existing dictionary if appropriate */ + ret = updatewindow(strm, dictionary + dictLength, dictLength); + if (ret) { state->mode = MEM; return Z_MEM_ERROR; } - if (dictLength > state->wsize) { - zmemcpy(state->window, dictionary + dictLength - state->wsize, - state->wsize); - state->whave = state->wsize; - } - else { - zmemcpy(state->window + state->wsize - dictLength, dictionary, - dictLength); - state->whave = dictLength; - } state->havedict = 1; Tracev((stderr, "inflate: dictionary set\n")); return Z_OK; @@ -1321,7 +1353,7 @@ gz_headerp head; */ local unsigned syncsearch(have, buf, len) unsigned FAR *have; -unsigned char FAR *buf; +const unsigned char FAR *buf; unsigned len; { unsigned got; @@ -1433,8 +1465,8 @@ z_streamp source; } /* copy state */ - zmemcpy(dest, source, sizeof(z_stream)); - zmemcpy(copy, state, sizeof(struct inflate_state)); + zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream)); + zmemcpy((voidpf)copy, (voidpf)state, sizeof(struct inflate_state)); if (state->lencode >= state->codes && state->lencode <= state->codes + ENOUGH - 1) { copy->lencode = copy->codes + (state->lencode - state->codes); diff --git a/Modules/zlib/inftrees.c b/Modules/zlib/inftrees.c index 11e9c52acc..44d89cf24e 100644 --- a/Modules/zlib/inftrees.c +++ b/Modules/zlib/inftrees.c @@ -1,5 +1,5 @@ /* inftrees.c -- generate Huffman trees for efficient decoding - * Copyright (C) 1995-2010 Mark Adler + * Copyright (C) 1995-2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -9,7 +9,7 @@ #define MAXBITS 15 const char inflate_copyright[] = - " inflate 1.2.5 Copyright 1995-2010 Mark Adler "; + " inflate 1.2.8 Copyright 1995-2013 Mark Adler "; /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot @@ -62,7 +62,7 @@ unsigned short FAR *work; 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; static const unsigned short lext[31] = { /* Length codes 257..285 extra */ 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, - 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 73, 195}; + 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78}; static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, @@ -208,8 +208,8 @@ unsigned short FAR *work; mask = used - 1; /* mask for comparing low */ /* check available table space */ - if ((type == LENS && used >= ENOUGH_LENS) || - (type == DISTS && used >= ENOUGH_DISTS)) + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) return 1; /* process all codes and make table entries */ @@ -277,8 +277,8 @@ unsigned short FAR *work; /* check for enough space */ used += 1U << curr; - if ((type == LENS && used >= ENOUGH_LENS) || - (type == DISTS && used >= ENOUGH_DISTS)) + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) return 1; /* point entry in root table to sub-table */ @@ -289,38 +289,14 @@ unsigned short FAR *work; } } - /* - Fill in rest of table for incomplete codes. This loop is similar to the - loop above in incrementing huff for table indices. It is assumed that - len is equal to curr + drop, so there is no loop needed to increment - through high index bits. When the current sub-table is filled, the loop - drops back to the root table to fill in any remaining entries there. - */ - here.op = (unsigned char)64; /* invalid code marker */ - here.bits = (unsigned char)(len - drop); - here.val = (unsigned short)0; - while (huff != 0) { - /* when done with sub-table, drop back to root table */ - if (drop != 0 && (huff & mask) != low) { - drop = 0; - len = root; - next = *table; - here.bits = (unsigned char)len; - } - - /* put invalid code marker in table */ - next[huff >> drop] = here; - - /* backwards increment the len-bit code huff */ - incr = 1U << (len - 1); - while (huff & incr) - incr >>= 1; - if (incr != 0) { - huff &= incr - 1; - huff += incr; - } - else - huff = 0; + /* fill in remaining table entry if code is incomplete (guaranteed to have + at most one remaining entry, since if the code is incomplete, the + maximum code length that was allowed to get this far is one bit) */ + if (huff != 0) { + here.op = (unsigned char)64; /* invalid code marker */ + here.bits = (unsigned char)(len - drop); + here.val = (unsigned short)0; + next[huff] = here; } /* set return parameters */ diff --git a/Modules/zlib/inftrees.h b/Modules/zlib/inftrees.h index 24230c5452..baa53a0b1a 100644 --- a/Modules/zlib/inftrees.h +++ b/Modules/zlib/inftrees.h @@ -41,7 +41,7 @@ typedef struct { examples/enough.c found in the zlib distribtution. The arguments to that program are the number of symbols, the initial root table size, and the maximum bit length of a code. "enough 286 9 15" for literal/length codes - returns 852, and "enough 30 6 15" for distance codes returns 592. + returns returns 852, and "enough 30 6 15" for distance codes returns 592. The initial root table size (9 or 6) is found in the fifth argument of the inflate_table() calls in inflate.c and infback.c. If the root table size is changed, then these maximum sizes would be need to be recalculated and diff --git a/Modules/zlib/make_vms.com b/Modules/zlib/make_vms.com index 6576490e65..65e9d0cbc8 100644 --- a/Modules/zlib/make_vms.com +++ b/Modules/zlib/make_vms.com @@ -3,7 +3,7 @@ $! Martin P.J. Zinser $! $! In case of problems with the install you might contact me at $! zinser@zinser.no-ip.info(preferred) or -$! zinser@sysdev.deutsche-boerse.com (work) +$! martin.zinser@eurexchange.com (work) $! $! Make procedure history for Zlib $! @@ -14,9 +14,16 @@ $! 0.02 20061008 Adapt to new Makefile.in $! 0.03 20091224 Add support for large file check $! 0.04 20100110 Add new gzclose, gzlib, gzread, gzwrite $! 0.05 20100221 Exchange zlibdefs.h by zconf.h.in +$! 0.06 20120111 Fix missing amiss_err, update zconf_h.in, fix new exmples +$! subdir path, update module search in makefile.in +$! 0.07 20120115 Triggered by work done by Alexey Chupahin completly redesigned +$! shared image creation +$! 0.08 20120219 Make it work on VAX again, pre-load missing symbols to shared +$! image +$! 0.09 20120305 SMS. P1 sets builder ("MMK", "MMS", " " (built-in)). +$! "" -> automatic, preference: MMK, MMS, built-in. $! $ on error then goto err_exit -$ set proc/parse=ext $! $ true = 1 $ false = 0 @@ -32,31 +39,43 @@ $ s_case = False $! $! Setup variables holding "config" information $! -$ Make = "" +$ Make = "''p1'" $ name = "Zlib" $ version = "?.?.?" $ v_string = "ZLIB_VERSION" $ v_file = "zlib.h" -$ ccopt = "" +$ ccopt = "/include = []" $ lopts = "" $ dnsrl = "" -$ aconf_in_file = "zconf.h.in#zconf.h_in" +$ aconf_in_file = "zconf.h.in#zconf.h_in#zconf_h.in" $ conf_check_string = "" $ linkonly = false $ optfile = name + ".opt" +$ mapfile = name + ".map" $ libdefs = "" +$ vax = f$getsyi("HW_MODEL").lt.1024 $ axp = f$getsyi("HW_MODEL").ge.1024 .and. f$getsyi("HW_MODEL").lt.4096 +$ ia64 = f$getsyi("HW_MODEL").ge.4096 $! -$ whoami = f$parse(f$enviornment("Procedure"),,,,"NO_CONCEAL") +$! 2012-03-05 SMS. +$! Why is this needed? And if it is needed, why not simply ".not. vax"? +$! +$!!! if axp .or. ia64 then set proc/parse=extended +$! +$ whoami = f$parse(f$environment("Procedure"),,,,"NO_CONCEAL") $ mydef = F$parse(whoami,,,"DEVICE") $ mydir = f$parse(whoami,,,"DIRECTORY") - "][" $ myproc = f$parse(whoami,,,"Name") + f$parse(whoami,,,"type") $! $! Check for MMK/MMS $! -$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS" -$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK" -$! +$ if (Make .eqs. "") +$ then +$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS" +$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK" +$ else +$ Make = f$edit( Make, "trim") +$ endif $! $ gosub find_version $! @@ -69,6 +88,7 @@ $! Look for the compiler used $! $ gosub check_compiler $ close topt +$ close optf $! $ if its_decc $ then @@ -83,6 +103,15 @@ $ ccopt = "/decc" + ccopt $ define sys decc$library_include: $ endif $ endif +$! +$! 2012-03-05 SMS. +$! Why /NAMES = AS_IS? Why not simply ".not. vax"? And why not on VAX? +$! +$ if axp .or. ia64 +$ then +$ ccopt = ccopt + "/name=as_is/opt=(inline=speed)" +$ s_case = true +$ endif $ endif $ if its_vaxc .or. its_gnuc $ then @@ -122,15 +151,20 @@ $ gosub check_config $ endif $ goto aconf_loop $ACONF_EXIT: +$ write aconf "" +$ write aconf "/* VMS specifics added by make_vms.com: */" $ write aconf "#define VMS 1" $ write aconf "#include <unistd.h>" $ write aconf "#include <unixio.h>" $ write aconf "#ifdef _LARGEFILE" -$ write aconf "#define off64_t __off64_t" -$ write aconf "#define fopen64 fopen" -$ write aconf "#define fseeko64 fseeko" -$ write aconf "#define lseek64 lseek" -$ write aconf "#define ftello64 ftell" +$ write aconf "# define off64_t __off64_t" +$ write aconf "# define fopen64 fopen" +$ write aconf "# define fseeko64 fseeko" +$ write aconf "# define lseek64 lseek" +$ write aconf "# define ftello64 ftell" +$ write aconf "#endif" +$ write aconf "#if !defined( __VAX) && (__CRTL_VER >= 70312000)" +$ write aconf "# define HAVE_VSNPRINTF" $ write aconf "#endif" $ close aconf_in $ close aconf @@ -139,8 +173,9 @@ $! Build the thing plain or with mms $! $ write sys$output "Compiling Zlib sources ..." $ if make.eqs."" -$ then -$ dele example.obj;*,minigzip.obj;* +$ then +$ if (f$search( "example.obj;*") .nes. "") then delete example.obj;* +$ if (f$search( "minigzip.obj;*") .nes. "") then delete minigzip.obj;* $ CALL MAKE adler32.OBJ "CC ''CCOPT' adler32" - adler32.c zlib.h zconf.h $ CALL MAKE compress.OBJ "CC ''CCOPT' compress" - @@ -174,41 +209,34 @@ $ CALL MAKE zutil.OBJ "CC ''CCOPT' zutil" - $ write sys$output "Building Zlib ..." $ CALL MAKE libz.OLB "lib/crea libz.olb *.obj" *.OBJ $ write sys$output "Building example..." -$ CALL MAKE example.OBJ "CC ''CCOPT' example" - - example.c zlib.h zconf.h +$ CALL MAKE example.OBJ "CC ''CCOPT' [.test]example" - + [.test]example.c zlib.h zconf.h $ call make example.exe "LINK example,libz.olb/lib" example.obj libz.olb -$ if f$search("x11vms:xvmsutils.olb") .nes. "" -$ then -$ write sys$output "Building minigzip..." -$ CALL MAKE minigzip.OBJ "CC ''CCOPT' minigzip" - - minigzip.c zlib.h zconf.h -$ call make minigzip.exe - - "LINK minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib" - - minigzip.obj libz.olb -$ endif -$ else +$ write sys$output "Building minigzip..." +$ CALL MAKE minigzip.OBJ "CC ''CCOPT' [.test]minigzip" - + [.test]minigzip.c zlib.h zconf.h +$ call make minigzip.exe - + "LINK minigzip,libz.olb/lib" - + minigzip.obj libz.olb +$ else $ gosub crea_mms $ write sys$output "Make ''name' ''version' with ''Make' " $ 'make' -$ endif +$ endif $! -$! Alpha gets a shareable image +$! Create shareable image $! -$ If axp -$ Then -$ gosub crea_olist -$ write sys$output "Creating libzshr.exe" -$ call anal_obj_axp modules.opt _link.opt -$ if s_case -$ then -$ open/append optf modules.opt -$ write optf "case_sensitive=YES" -$ close optf -$ endif -$ LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,_link.opt/opt -$ endif +$ gosub crea_olist +$ write sys$output "Creating libzshr.exe" +$ call map_2_shopt 'mapfile' 'optfile' +$ LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,'optfile'/opt $ write sys$output "Zlib build completed" +$ delete/nolog tmp.opt;* $ exit +$AMISS_ERR: +$ write sys$output "No source for config.hin found." +$ write sys$output "Tried any of ''aconf_in_file'" +$ goto err_exit $CC_ERR: $ write sys$output "C compiler required to build ''name'" $ goto err_exit @@ -216,7 +244,6 @@ $ERR_EXIT: $ set message/facil/ident/sever/text $ close/nolog optf $ close/nolog topt -$ close/nolog conf_hin $ close/nolog aconf_in $ close/nolog aconf $ close/nolog out @@ -397,7 +424,7 @@ $ copy sys$input: out $ deck # descrip.mms: MMS description file for building zlib on VMS # written by Martin P.J. Zinser -# <zinser@zinser.no-ip.info or zinser@sysdev.deutsche-boerse.com> +# <zinser@zinser.no-ip.info or martin.zinser@eurexchange.com> OBJS = adler32.obj, compress.obj, crc32.obj, gzclose.obj, gzlib.obj\ gzread.obj, gzwrite.obj, uncompr.obj, infback.obj\ @@ -407,10 +434,9 @@ OBJS = adler32.obj, compress.obj, crc32.obj, gzclose.obj, gzlib.obj\ $ eod $ write out "CFLAGS=", ccopt $ write out "LOPTS=", lopts +$ write out "all : example.exe minigzip.exe libz.olb" $ copy sys$input: out $ deck - -all : example.exe minigzip.exe libz.olb @ write sys$output " Example applications available" libz.olb : libz.olb($(OBJS)) @@ -420,7 +446,7 @@ example.exe : example.obj libz.olb link $(LOPTS) example,libz.olb/lib minigzip.exe : minigzip.obj libz.olb - link $(LOPTS) minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib + link $(LOPTS) minigzip,libz.olb/lib clean : delete *.obj;*,libz.olb;*,*.opt;*,*.exe;* @@ -431,7 +457,7 @@ adler32.obj : adler32.c zutil.h zlib.h zconf.h compress.obj : compress.c zlib.h zconf.h crc32.obj : crc32.c zutil.h zlib.h zconf.h deflate.obj : deflate.c deflate.h zutil.h zlib.h zconf.h -example.obj : example.c zlib.h zconf.h +example.obj : [.test]example.c zlib.h zconf.h gzclose.obj : gzclose.c zutil.h zlib.h zconf.h gzlib.obj : gzlib.c zutil.h zlib.h zconf.h gzread.obj : gzread.c zutil.h zlib.h zconf.h @@ -439,7 +465,7 @@ gzwrite.obj : gzwrite.c zutil.h zlib.h zconf.h inffast.obj : inffast.c zutil.h zlib.h zconf.h inftrees.h inffast.h inflate.obj : inflate.c zutil.h zlib.h zconf.h inftrees.obj : inftrees.c zutil.h zlib.h zconf.h inftrees.h -minigzip.obj : minigzip.c zlib.h zconf.h +minigzip.obj : [.test]minigzip.c zlib.h zconf.h trees.obj : trees.c deflate.h zutil.h zlib.h zconf.h uncompr.obj : uncompr.c zlib.h zconf.h zutil.obj : zutil.c zutil.h zlib.h zconf.h @@ -455,13 +481,18 @@ $! $CREA_OLIST: $ open/read min makefile.in $ open/write mod modules.opt -$ src_check = "OBJC =" +$ src_check_list = "OBJZ =#OBJG =" $MRLOOP: $ read/end=mrdone min rec -$ if (f$extract(0,6,rec) .nes. src_check) then goto mrloop +$ i = 0 +$SRC_CHECK_LOOP: +$ src_check = f$element(i, "#", src_check_list) +$ i = i+1 +$ if src_check .eqs. "#" then goto mrloop +$ if (f$extract(0,6,rec) .nes. src_check) then goto src_check_loop $ rec = rec - src_check $ gosub extra_filnam -$ if (f$element(1,"\",rec) .eqs. "\") then goto mrdone +$ if (f$element(1,"\",rec) .eqs. "\") then goto mrloop $MRSLOOP: $ read/end=mrdone min rec $ gosub extra_filnam @@ -672,133 +703,165 @@ $ endif $ return $!------------------------------------------------------------------------------ $! -$! Analyze Object files for OpenVMS AXP to extract Procedure and Data -$! information to build a symbol vector for a shareable image -$! All the "brains" of this logic was suggested by Hartmut Becker -$! (Hartmut.Becker@compaq.com). All the bugs were introduced by me -$! (zinser@zinser.no-ip.info), so if you do have problem reports please do not -$! bother Hartmut/HP, but get in touch with me +$! Write configuration to both permanent and temporary config file $! $! Version history -$! 0.01 20040406 Skip over shareable images in option file -$! 0.02 20041109 Fix option file for shareable images with case_sensitive=YES -$! 0.03 20050107 Skip over Identification labels in option file -$! 0.04 20060117 Add uppercase alias to code compiled with /name=as_is +$! 0.01 20031029 First version to receive a number +$! +$WRITE_CONFIG: SUBROUTINE +$ write aconf 'p1' +$ open/append confh 'th' +$ write confh 'p1' +$ close confh +$ENDSUBROUTINE +$!------------------------------------------------------------------------------ +$! +$! Analyze the project map file and create the symbol vector for a shareable +$! image from it +$! +$! Version history +$! 0.01 20120128 First version +$! 0.02 20120226 Add pre-load logic +$! +$ MAP_2_SHOPT: Subroutine $! -$ ANAL_OBJ_AXP: Subroutine -$ V = 'F$Verify(0) $ SAY := "WRITE_ SYS$OUTPUT" -$ +$! $ IF F$SEARCH("''P1'") .EQS. "" $ THEN -$ SAY "ANAL_OBJ_AXP-E-NOSUCHFILE: Error, inputfile ''p1' not available" -$ goto exit_aa +$ SAY "MAP_2_SHOPT-E-NOSUCHFILE: Error, inputfile ''p1' not available" +$ goto exit_m2s $ ENDIF $ IF "''P2'" .EQS. "" $ THEN -$ SAY "ANAL_OBJ_AXP: Error, no output file provided" -$ goto exit_aa +$ SAY "MAP_2_SHOPT: Error, no output file provided" +$ goto exit_m2s $ ENDIF -$ -$ open/read in 'p1 -$ create a.tmp -$ open/append atmp a.tmp -$ loop: -$ read/end=end_loop in line -$ if f$locate("/SHARE",f$edit(line,"upcase")) .lt. f$length(line) -$ then -$ write sys$output "ANAL_SKP_SHR-i-skipshare, ''line'" -$ goto loop -$ endif -$ if f$locate("IDENTIFICATION=",f$edit(line,"upcase")) .lt. f$length(line) -$ then -$ write sys$output "ANAL_OBJ_AXP-i-ident: Identification ", - - f$element(1,"=",line) -$ goto loop -$ endif -$ f= f$search(line) -$ if f .eqs. "" -$ then -$ write sys$output "ANAL_OBJ_AXP-w-nosuchfile, ''line'" -$ goto loop -$ endif -$ define/user sys$output nl: -$ define/user sys$error nl: -$ anal/obj/gsd 'f /out=x.tmp -$ open/read xtmp x.tmp -$ XLOOP: -$ read/end=end_xloop xtmp xline -$ xline = f$edit(xline,"compress") -$ write atmp xline -$ goto xloop -$ END_XLOOP: -$ close xtmp -$ goto loop -$ end_loop: -$ close in -$ close atmp -$ if f$search("a.tmp") .eqs. "" - - then $ exit -$ ! all global definitions -$ search a.tmp "symbol:","EGSY$V_DEF 1","EGSY$V_NORM 1"/out=b.tmp -$ ! all procedures -$ search b.tmp "EGSY$V_NORM 1"/wind=(0,1) /out=c.tmp -$ search c.tmp "symbol:"/out=d.tmp -$ define/user sys$output nl: -$ edito/edt/command=sys$input d.tmp -sub/symbol: "/symbol_vector=(/whole -sub/"/=PROCEDURE)/whole -exit -$ ! all data -$ search b.tmp "EGSY$V_DEF 1"/wind=(0,1) /out=e.tmp -$ search e.tmp "symbol:"/out=f.tmp -$ define/user sys$output nl: -$ edito/edt/command=sys$input f.tmp -sub/symbol: "/symbol_vector=(/whole -sub/"/=DATA)/whole -exit -$ sort/nodupl d.tmp,f.tmp g.tmp -$ open/read raw_vector g.tmp -$ open/write case_vector 'p2' -$ RAWLOOP: -$ read/end=end_rawloop raw_vector raw_element -$ write case_vector raw_element -$ if f$locate("=PROCEDURE)",raw_element) .lt. f$length(raw_element) -$ then -$ name = f$element(1,"=",raw_element) - "(" -$ if f$edit(name,"UPCASE") .nes. name then - - write case_vector f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)", - - f$edit(name,"UPCASE"), name) -$ endif -$ if f$locate("=DATA)",raw_element) .lt. f$length(raw_element) +$! +$ module1 = "deflate#deflateEnd#deflateInit_#deflateParams#deflateSetDictionary" +$ module2 = "gzclose#gzerror#gzgetc#gzgets#gzopen#gzprintf#gzputc#gzputs#gzread" +$ module3 = "gzseek#gztell#inflate#inflateEnd#inflateInit_#inflateSetDictionary" +$ module4 = "inflateSync#uncompress#zlibVersion#compress" +$ open/read map 'p1 +$ if axp .or. ia64 $ then -$ name = f$element(1,"=",raw_element) - "(" -$ if f$edit(name,"UPCASE") .nes. name then - - write case_vector f$fao(" symbol_vector=(!AS/!AS=DATA)", - - f$edit(name,"UPCASE"), name) +$ open/write aopt a.opt +$ open/write bopt b.opt +$ write aopt " CASE_SENSITIVE=YES" +$ write bopt "SYMBOL_VECTOR= (-" +$ mod_sym_num = 1 +$ MOD_SYM_LOOP: +$ if f$type(module'mod_sym_num') .nes. "" +$ then +$ mod_in = 0 +$ MOD_SYM_IN: +$ shared_proc = f$element(mod_in, "#", module'mod_sym_num') +$ if shared_proc .nes. "#" +$ then +$ write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",- + f$edit(shared_proc,"upcase"),shared_proc) +$ write bopt f$fao("!AS=PROCEDURE,-",shared_proc) +$ mod_in = mod_in + 1 +$ goto mod_sym_in +$ endif +$ mod_sym_num = mod_sym_num + 1 +$ goto mod_sym_loop +$ endif +$MAP_LOOP: +$ read/end=map_end map line +$ if (f$locate("{",line).lt. f$length(line)) .or. - + (f$locate("global:", line) .lt. f$length(line)) +$ then +$ proc = true +$ goto map_loop +$ endif +$ if f$locate("}",line).lt. f$length(line) then proc = false +$ if f$locate("local:", line) .lt. f$length(line) then proc = false +$ if proc +$ then +$ shared_proc = f$edit(line,"collapse") +$ chop_semi = f$locate(";", shared_proc) +$ if chop_semi .lt. f$length(shared_proc) then - + shared_proc = f$extract(0, chop_semi, shared_proc) +$ write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",- + f$edit(shared_proc,"upcase"),shared_proc) +$ write bopt f$fao("!AS=PROCEDURE,-",shared_proc) +$ endif +$ goto map_loop +$MAP_END: +$ close/nolog aopt +$ close/nolog bopt +$ open/append libopt 'p2' +$ open/read aopt a.opt +$ open/read bopt b.opt +$ALOOP: +$ read/end=aloop_end aopt line +$ write libopt line +$ goto aloop +$ALOOP_END: +$ close/nolog aopt +$ sv = "" +$BLOOP: +$ read/end=bloop_end bopt svn +$ if (svn.nes."") +$ then +$ if (sv.nes."") then write libopt sv +$ sv = svn +$ endif +$ goto bloop +$BLOOP_END: +$ write libopt f$extract(0,f$length(sv)-2,sv), "-" +$ write libopt ")" +$ close/nolog bopt +$ delete/nolog/noconf a.opt;*,b.opt;* +$ else +$ if vax +$ then +$ open/append libopt 'p2' +$ mod_sym_num = 1 +$ VMOD_SYM_LOOP: +$ if f$type(module'mod_sym_num') .nes. "" +$ then +$ mod_in = 0 +$ VMOD_SYM_IN: +$ shared_proc = f$element(mod_in, "#", module'mod_sym_num') +$ if shared_proc .nes. "#" +$ then +$ write libopt f$fao("UNIVERSAL=!AS",- + f$edit(shared_proc,"upcase")) +$ mod_in = mod_in + 1 +$ goto vmod_sym_in +$ endif +$ mod_sym_num = mod_sym_num + 1 +$ goto vmod_sym_loop +$ endif +$VMAP_LOOP: +$ read/end=vmap_end map line +$ if (f$locate("{",line).lt. f$length(line)) .or. - + (f$locate("global:", line) .lt. f$length(line)) +$ then +$ proc = true +$ goto vmap_loop +$ endif +$ if f$locate("}",line).lt. f$length(line) then proc = false +$ if f$locate("local:", line) .lt. f$length(line) then proc = false +$ if proc +$ then +$ shared_proc = f$edit(line,"collapse") +$ chop_semi = f$locate(";", shared_proc) +$ if chop_semi .lt. f$length(shared_proc) then - + shared_proc = f$extract(0, chop_semi, shared_proc) +$ write libopt f$fao("UNIVERSAL=!AS",- + f$edit(shared_proc,"upcase")) +$ endif +$ goto vmap_loop +$VMAP_END: +$ else +$ write sys$output "Unknown Architecture (Not VAX, AXP, or IA64)" +$ write sys$output "No options file created" +$ endif $ endif -$ goto rawloop -$ END_RAWLOOP: -$ close raw_vector -$ close case_vector -$ delete a.tmp;*,b.tmp;*,c.tmp;*,d.tmp;*,e.tmp;*,f.tmp;*,g.tmp;* -$ if f$search("x.tmp") .nes. "" - - then $ delete x.tmp;* -$! -$ EXIT_AA: -$ if V then set verify +$ EXIT_M2S: +$ close/nolog map +$ close/nolog libopt $ endsubroutine -$!------------------------------------------------------------------------------ -$! -$! Write configuration to both permanent and temporary config file -$! -$! Version history -$! 0.01 20031029 First version to receive a number -$! -$WRITE_CONFIG: SUBROUTINE -$ write aconf 'p1' -$ open/append confh 'th' -$ write confh 'p1' -$ close confh -$ENDSUBROUTINE -$!------------------------------------------------------------------------------ diff --git a/Modules/zlib/minigzip.c b/Modules/zlib/minigzip.c index 9825ccc3a7..b3025a489a 100644 --- a/Modules/zlib/minigzip.c +++ b/Modules/zlib/minigzip.c @@ -1,5 +1,5 @@ /* minigzip.c -- simulate gzip using the zlib compression library - * Copyright (C) 1995-2006, 2010 Jean-loup Gailly. + * Copyright (C) 1995-2006, 2010, 2011 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -40,6 +40,10 @@ # define SET_BINARY_MODE(file) #endif +#ifdef _MSC_VER +# define snprintf _snprintf +#endif + #ifdef VMS # define unlink delete # define GZ_SUFFIX "-gz" @@ -138,6 +142,197 @@ static void pwinerror (s) # define local #endif +#ifdef Z_SOLO +/* for Z_SOLO, create simplified gz* functions using deflate and inflate */ + +#if defined(Z_HAVE_UNISTD_H) || defined(Z_LARGE) +# include <unistd.h> /* for unlink() */ +#endif + +void *myalloc OF((void *, unsigned, unsigned)); +void myfree OF((void *, void *)); + +void *myalloc(q, n, m) + void *q; + unsigned n, m; +{ + q = Z_NULL; + return calloc(n, m); +} + +void myfree(q, p) + void *q, *p; +{ + q = Z_NULL; + free(p); +} + +typedef struct gzFile_s { + FILE *file; + int write; + int err; + char *msg; + z_stream strm; +} *gzFile; + +gzFile gzopen OF((const char *, const char *)); +gzFile gzdopen OF((int, const char *)); +gzFile gz_open OF((const char *, int, const char *)); + +gzFile gzopen(path, mode) +const char *path; +const char *mode; +{ + return gz_open(path, -1, mode); +} + +gzFile gzdopen(fd, mode) +int fd; +const char *mode; +{ + return gz_open(NULL, fd, mode); +} + +gzFile gz_open(path, fd, mode) + const char *path; + int fd; + const char *mode; +{ + gzFile gz; + int ret; + + gz = malloc(sizeof(struct gzFile_s)); + if (gz == NULL) + return NULL; + gz->write = strchr(mode, 'w') != NULL; + gz->strm.zalloc = myalloc; + gz->strm.zfree = myfree; + gz->strm.opaque = Z_NULL; + if (gz->write) + ret = deflateInit2(&(gz->strm), -1, 8, 15 + 16, 8, 0); + else { + gz->strm.next_in = 0; + gz->strm.avail_in = Z_NULL; + ret = inflateInit2(&(gz->strm), 15 + 16); + } + if (ret != Z_OK) { + free(gz); + return NULL; + } + gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") : + fopen(path, gz->write ? "wb" : "rb"); + if (gz->file == NULL) { + gz->write ? deflateEnd(&(gz->strm)) : inflateEnd(&(gz->strm)); + free(gz); + return NULL; + } + gz->err = 0; + gz->msg = ""; + return gz; +} + +int gzwrite OF((gzFile, const void *, unsigned)); + +int gzwrite(gz, buf, len) + gzFile gz; + const void *buf; + unsigned len; +{ + z_stream *strm; + unsigned char out[BUFLEN]; + + if (gz == NULL || !gz->write) + return 0; + strm = &(gz->strm); + strm->next_in = (void *)buf; + strm->avail_in = len; + do { + strm->next_out = out; + strm->avail_out = BUFLEN; + (void)deflate(strm, Z_NO_FLUSH); + fwrite(out, 1, BUFLEN - strm->avail_out, gz->file); + } while (strm->avail_out == 0); + return len; +} + +int gzread OF((gzFile, void *, unsigned)); + +int gzread(gz, buf, len) + gzFile gz; + void *buf; + unsigned len; +{ + int ret; + unsigned got; + unsigned char in[1]; + z_stream *strm; + + if (gz == NULL || gz->write) + return 0; + if (gz->err) + return 0; + strm = &(gz->strm); + strm->next_out = (void *)buf; + strm->avail_out = len; + do { + got = fread(in, 1, 1, gz->file); + if (got == 0) + break; + strm->next_in = in; + strm->avail_in = 1; + ret = inflate(strm, Z_NO_FLUSH); + if (ret == Z_DATA_ERROR) { + gz->err = Z_DATA_ERROR; + gz->msg = strm->msg; + return 0; + } + if (ret == Z_STREAM_END) + inflateReset(strm); + } while (strm->avail_out); + return len - strm->avail_out; +} + +int gzclose OF((gzFile)); + +int gzclose(gz) + gzFile gz; +{ + z_stream *strm; + unsigned char out[BUFLEN]; + + if (gz == NULL) + return Z_STREAM_ERROR; + strm = &(gz->strm); + if (gz->write) { + strm->next_in = Z_NULL; + strm->avail_in = 0; + do { + strm->next_out = out; + strm->avail_out = BUFLEN; + (void)deflate(strm, Z_FINISH); + fwrite(out, 1, BUFLEN - strm->avail_out, gz->file); + } while (strm->avail_out == 0); + deflateEnd(strm); + } + else + inflateEnd(strm); + fclose(gz->file); + free(gz); + return Z_OK; +} + +const char *gzerror OF((gzFile, int *)); + +const char *gzerror(gz, err) + gzFile gz; + int *err; +{ + *err = gz->err; + return gz->msg; +} + +#endif + char *prog; void error OF((const char *msg)); @@ -272,8 +467,12 @@ void file_compress(file, mode) exit(1); } +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(outfile, sizeof(outfile), "%s%s", file, GZ_SUFFIX); +#else strcpy(outfile, file); strcat(outfile, GZ_SUFFIX); +#endif in = fopen(file, "rb"); if (in == NULL) { @@ -308,7 +507,11 @@ void file_uncompress(file) exit(1); } +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(buf, sizeof(buf), "%s", file); +#else strcpy(buf, file); +#endif if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) { infile = file; @@ -317,7 +520,11 @@ void file_uncompress(file) } else { outfile = file; infile = buf; +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(buf + len, sizeof(buf) - len, "%s", GZ_SUFFIX); +#else strcat(infile, GZ_SUFFIX); +#endif } in = gzopen(infile, "rb"); if (in == NULL) { @@ -355,7 +562,11 @@ int main(argc, argv) gzFile file; char *bname, outmode[20]; +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(outmode, sizeof(outmode), "%s", "wb6 "); +#else strcpy(outmode, "wb6 "); +#endif prog = argv[0]; bname = strrchr(argv[0], '/'); diff --git a/Modules/zlib/trees.c b/Modules/zlib/trees.c index 56e9bb1c11..1fd7759ef0 100644 --- a/Modules/zlib/trees.c +++ b/Modules/zlib/trees.c @@ -1,5 +1,5 @@ /* trees.c -- output deflated data using Huffman coding - * Copyright (C) 1995-2010 Jean-loup Gailly + * Copyright (C) 1995-2012 Jean-loup Gailly * detect_data_type() function provided freely by Cosmin Truta, 2006 * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -74,11 +74,6 @@ local const uch bl_order[BL_CODES] * probability, to avoid transmitting the lengths for unused bit length codes. */ -#define Buf_size (8 * 2*sizeof(char)) -/* Number of bits used within bi_buf. (bi_buf might be implemented on - * more than 16 bits on some systems.) - */ - /* =========================================================================== * Local data. These are initialized only once. */ @@ -151,8 +146,8 @@ local void send_tree OF((deflate_state *s, ct_data *tree, int max_code)); local int build_bl_tree OF((deflate_state *s)); local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, int blcodes)); -local void compress_block OF((deflate_state *s, ct_data *ltree, - ct_data *dtree)); +local void compress_block OF((deflate_state *s, const ct_data *ltree, + const ct_data *dtree)); local int detect_data_type OF((deflate_state *s)); local unsigned bi_reverse OF((unsigned value, int length)); local void bi_windup OF((deflate_state *s)); @@ -399,7 +394,6 @@ void ZLIB_INTERNAL _tr_init(s) s->bi_buf = 0; s->bi_valid = 0; - s->last_eob_len = 8; /* enough lookahead for inflate */ #ifdef DEBUG s->compressed_len = 0L; s->bits_sent = 0L; @@ -883,15 +877,17 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last) } /* =========================================================================== + * Flush the bits in the bit buffer to pending output (leaves at most 7 bits) + */ +void ZLIB_INTERNAL _tr_flush_bits(s) + deflate_state *s; +{ + bi_flush(s); +} + +/* =========================================================================== * Send one empty static block to give enough lookahead for inflate. * This takes 10 bits, of which 7 may remain in the bit buffer. - * The current inflate code requires 9 bits of lookahead. If the - * last two codes for the previous block (real code plus EOB) were coded - * on 5 bits or less, inflate may have only 5+3 bits of lookahead to decode - * the last real code. In this case we send two empty static blocks instead - * of one. (There are no problems if the previous block is stored or fixed.) - * To simplify the code, we assume the worst case of last real code encoded - * on one bit only. */ void ZLIB_INTERNAL _tr_align(s) deflate_state *s; @@ -902,20 +898,6 @@ void ZLIB_INTERNAL _tr_align(s) s->compressed_len += 10L; /* 3 for block type, 7 for EOB */ #endif bi_flush(s); - /* Of the 10 bits for the empty block, we have already sent - * (10 - bi_valid) bits. The lookahead for the last real code (before - * the EOB of the previous block) was thus at least one plus the length - * of the EOB plus what we have just sent of the empty static block. - */ - if (1 + s->last_eob_len + 10 - s->bi_valid < 9) { - send_bits(s, STATIC_TREES<<1, 3); - send_code(s, END_BLOCK, static_ltree); -#ifdef DEBUG - s->compressed_len += 10L; -#endif - bi_flush(s); - } - s->last_eob_len = 7; } /* =========================================================================== @@ -990,7 +972,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) { #endif send_bits(s, (STATIC_TREES<<1)+last, 3); - compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree); + compress_block(s, (const ct_data *)static_ltree, + (const ct_data *)static_dtree); #ifdef DEBUG s->compressed_len += 3 + s->static_len; #endif @@ -998,7 +981,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) send_bits(s, (DYN_TREES<<1)+last, 3); send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1, max_blindex+1); - compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree); + compress_block(s, (const ct_data *)s->dyn_ltree, + (const ct_data *)s->dyn_dtree); #ifdef DEBUG s->compressed_len += 3 + s->opt_len; #endif @@ -1075,8 +1059,8 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc) */ local void compress_block(s, ltree, dtree) deflate_state *s; - ct_data *ltree; /* literal tree */ - ct_data *dtree; /* distance tree */ + const ct_data *ltree; /* literal tree */ + const ct_data *dtree; /* distance tree */ { unsigned dist; /* distance of matched string */ int lc; /* match length or unmatched char (if dist == 0) */ @@ -1118,7 +1102,6 @@ local void compress_block(s, ltree, dtree) } while (lx < s->last_lit); send_code(s, END_BLOCK, ltree); - s->last_eob_len = ltree[END_BLOCK].Len; } /* =========================================================================== @@ -1226,7 +1209,6 @@ local void copy_block(s, buf, len, header) int header; /* true if block header must be written */ { bi_windup(s); /* align on byte boundary */ - s->last_eob_len = 8; /* enough lookahead for inflate */ if (header) { put_short(s, (ush)len); diff --git a/Modules/zlib/uncompr.c b/Modules/zlib/uncompr.c index ad98be3a5d..242e9493df 100644 --- a/Modules/zlib/uncompr.c +++ b/Modules/zlib/uncompr.c @@ -30,7 +30,7 @@ int ZEXPORT uncompress (dest, destLen, source, sourceLen) z_stream stream; int err; - stream.next_in = (Bytef*)source; + stream.next_in = (z_const Bytef *)source; stream.avail_in = (uInt)sourceLen; /* Check for source > 64K on 16-bit machine: */ if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; diff --git a/Modules/zlib/zconf.h b/Modules/zlib/zconf.h index 02ce56c431..9987a77553 100644 --- a/Modules/zlib/zconf.h +++ b/Modules/zlib/zconf.h @@ -1,5 +1,5 @@ /* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2010 Jean-loup Gailly. + * Copyright (C) 1995-2013 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -15,11 +15,13 @@ * this permanently in zconf.h using "./configure --zprefix". */ #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ +# define Z_PREFIX_SET /* all linked symbols */ # define _dist_code z__dist_code # define _length_code z__length_code # define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits # define _tr_flush_block z__tr_flush_block # define _tr_init z__tr_init # define _tr_stored_block z__tr_stored_block @@ -27,9 +29,11 @@ # define adler32 z_adler32 # define adler32_combine z_adler32_combine # define adler32_combine64 z_adler32_combine64 -# define compress z_compress -# define compress2 z_compress2 -# define compressBound z_compressBound +# ifndef Z_SOLO +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# endif # define crc32 z_crc32 # define crc32_combine z_crc32_combine # define crc32_combine64 z_crc32_combine64 @@ -40,44 +44,53 @@ # define deflateInit2_ z_deflateInit2_ # define deflateInit_ z_deflateInit_ # define deflateParams z_deflateParams +# define deflatePending z_deflatePending # define deflatePrime z_deflatePrime # define deflateReset z_deflateReset +# define deflateResetKeep z_deflateResetKeep # define deflateSetDictionary z_deflateSetDictionary # define deflateSetHeader z_deflateSetHeader # define deflateTune z_deflateTune # define deflate_copyright z_deflate_copyright # define get_crc_table z_get_crc_table -# define gz_error z_gz_error -# define gz_intmax z_gz_intmax -# define gz_strwinerror z_gz_strwinerror -# define gzbuffer z_gzbuffer -# define gzclearerr z_gzclearerr -# define gzclose z_gzclose -# define gzclose_r z_gzclose_r -# define gzclose_w z_gzclose_w -# define gzdirect z_gzdirect -# define gzdopen z_gzdopen -# define gzeof z_gzeof -# define gzerror z_gzerror -# define gzflush z_gzflush -# define gzgetc z_gzgetc -# define gzgets z_gzgets -# define gzoffset z_gzoffset -# define gzoffset64 z_gzoffset64 -# define gzopen z_gzopen -# define gzopen64 z_gzopen64 -# define gzprintf z_gzprintf -# define gzputc z_gzputc -# define gzputs z_gzputs -# define gzread z_gzread -# define gzrewind z_gzrewind -# define gzseek z_gzseek -# define gzseek64 z_gzseek64 -# define gzsetparams z_gzsetparams -# define gztell z_gztell -# define gztell64 z_gztell64 -# define gzungetc z_gzungetc -# define gzwrite z_gzwrite +# ifndef Z_SOLO +# define gz_error z_gz_error +# define gz_intmax z_gz_intmax +# define gz_strwinerror z_gz_strwinerror +# define gzbuffer z_gzbuffer +# define gzclearerr z_gzclearerr +# define gzclose z_gzclose +# define gzclose_r z_gzclose_r +# define gzclose_w z_gzclose_w +# define gzdirect z_gzdirect +# define gzdopen z_gzdopen +# define gzeof z_gzeof +# define gzerror z_gzerror +# define gzflush z_gzflush +# define gzgetc z_gzgetc +# define gzgetc_ z_gzgetc_ +# define gzgets z_gzgets +# define gzoffset z_gzoffset +# define gzoffset64 z_gzoffset64 +# define gzopen z_gzopen +# define gzopen64 z_gzopen64 +# ifdef _WIN32 +# define gzopen_w z_gzopen_w +# endif +# define gzprintf z_gzprintf +# define gzvprintf z_gzvprintf +# define gzputc z_gzputc +# define gzputs z_gzputs +# define gzread z_gzread +# define gzrewind z_gzrewind +# define gzseek z_gzseek +# define gzseek64 z_gzseek64 +# define gzsetparams z_gzsetparams +# define gztell z_gztell +# define gztell64 z_gztell64 +# define gzungetc z_gzungetc +# define gzwrite z_gzwrite +# endif # define inflate z_inflate # define inflateBack z_inflateBack # define inflateBackEnd z_inflateBackEnd @@ -92,16 +105,22 @@ # define inflateReset z_inflateReset # define inflateReset2 z_inflateReset2 # define inflateSetDictionary z_inflateSetDictionary +# define inflateGetDictionary z_inflateGetDictionary # define inflateSync z_inflateSync # define inflateSyncPoint z_inflateSyncPoint # define inflateUndermine z_inflateUndermine +# define inflateResetKeep z_inflateResetKeep # define inflate_copyright z_inflate_copyright # define inflate_fast z_inflate_fast # define inflate_table z_inflate_table -# define uncompress z_uncompress +# ifndef Z_SOLO +# define uncompress z_uncompress +# endif # define zError z_zError -# define zcalloc z_zcalloc -# define zcfree z_zcfree +# ifndef Z_SOLO +# define zcalloc z_zcalloc +# define zcfree z_zcfree +# endif # define zlibCompileFlags z_zlibCompileFlags # define zlibVersion z_zlibVersion @@ -111,7 +130,9 @@ # define alloc_func z_alloc_func # define charf z_charf # define free_func z_free_func -# define gzFile z_gzFile +# ifndef Z_SOLO +# define gzFile z_gzFile +# endif # define gz_header z_gz_header # define gz_headerp z_gz_headerp # define in_func z_in_func @@ -197,6 +218,12 @@ # endif #endif +#if defined(ZLIB_CONST) && !defined(z_const) +# define z_const const +#else +# define z_const +#endif + /* Some Mac compilers merge all .h files incorrectly: */ #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) # define NO_DUMMY_DECL @@ -243,6 +270,14 @@ # endif #endif +#ifndef Z_ARG /* function prototypes for stdarg */ +# if defined(STDC) || defined(Z_HAVE_STDARG_H) +# define Z_ARG(args) args +# else +# define Z_ARG(args) () +# endif +#endif + /* The following definitions for FAR are needed only for MSDOS mixed * model programming (small or medium model with some far allocations). * This was tested only with MSC; for other MSDOS compilers you may have @@ -356,12 +391,47 @@ typedef uLong FAR uLongf; typedef Byte *voidp; #endif +#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) +# include <limits.h> +# if (UINT_MAX == 0xffffffffUL) +# define Z_U4 unsigned +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short +# endif +#endif + +#ifdef Z_U4 + typedef Z_U4 z_crc_t; +#else + typedef unsigned long z_crc_t; +#endif + #ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ # define Z_HAVE_UNISTD_H #endif +#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_STDARG_H +#endif + #ifdef STDC -# include <sys/types.h> /* for off_t */ +# ifndef Z_SOLO +# include <sys/types.h> /* for off_t */ +# endif +#endif + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include <stdarg.h> /* for va_list */ +# endif +#endif + +#ifdef _WIN32 +# ifndef Z_SOLO +# include <stddef.h> /* for wchar_t */ +# endif #endif /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and @@ -370,21 +440,38 @@ typedef uLong FAR uLongf; * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as * equivalently requesting no 64-bit operations */ -#if -_LARGEFILE64_SOURCE - -1 == 1 +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 # undef _LARGEFILE64_SOURCE #endif -#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) -# include <unistd.h> /* for SEEK_* and off_t */ -# ifdef VMS -# include <unixio.h> /* for off_t */ -# endif -# ifndef z_off_t -# define z_off_t off_t +#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) +# define Z_HAVE_UNISTD_H +#endif +#ifndef Z_SOLO +# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) +# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ +# ifdef VMS +# include <unixio.h> /* for off_t */ +# endif +# ifndef z_off_t +# define z_off_t off_t +# endif # endif #endif -#ifndef SEEK_SET +#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 +# define Z_LFS64 +#endif + +#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) +# define Z_LARGE64 +#endif + +#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) +# define Z_WANT64 +#endif + +#if !defined(SEEK_SET) && !defined(Z_SOLO) # define SEEK_SET 0 /* Seek from beginning of file. */ # define SEEK_CUR 1 /* Seek from current position. */ # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ @@ -394,18 +481,14 @@ typedef uLong FAR uLongf; # define z_off_t long #endif -#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 +#if !defined(_WIN32) && defined(Z_LARGE64) # define z_off64_t off64_t #else -# define z_off64_t z_off_t -#endif - -#if defined(__OS400__) -# define NO_vsnprintf -#endif - -#if defined(__MVS__) -# define NO_vsnprintf +# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) +# define z_off64_t __int64 +# else +# define z_off64_t z_off_t +# endif #endif /* MVS linker does not support external names larger than 8 bytes */ diff --git a/Modules/zlib/zconf.h.cmakein b/Modules/zlib/zconf.h.cmakein index a2f71b1f32..043019cda1 100644 --- a/Modules/zlib/zconf.h.cmakein +++ b/Modules/zlib/zconf.h.cmakein @@ -1,5 +1,5 @@ /* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2010 Jean-loup Gailly. + * Copyright (C) 1995-2013 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -17,11 +17,13 @@ * this permanently in zconf.h using "./configure --zprefix". */ #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ +# define Z_PREFIX_SET /* all linked symbols */ # define _dist_code z__dist_code # define _length_code z__length_code # define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits # define _tr_flush_block z__tr_flush_block # define _tr_init z__tr_init # define _tr_stored_block z__tr_stored_block @@ -29,9 +31,11 @@ # define adler32 z_adler32 # define adler32_combine z_adler32_combine # define adler32_combine64 z_adler32_combine64 -# define compress z_compress -# define compress2 z_compress2 -# define compressBound z_compressBound +# ifndef Z_SOLO +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# endif # define crc32 z_crc32 # define crc32_combine z_crc32_combine # define crc32_combine64 z_crc32_combine64 @@ -42,44 +46,53 @@ # define deflateInit2_ z_deflateInit2_ # define deflateInit_ z_deflateInit_ # define deflateParams z_deflateParams +# define deflatePending z_deflatePending # define deflatePrime z_deflatePrime # define deflateReset z_deflateReset +# define deflateResetKeep z_deflateResetKeep # define deflateSetDictionary z_deflateSetDictionary # define deflateSetHeader z_deflateSetHeader # define deflateTune z_deflateTune # define deflate_copyright z_deflate_copyright # define get_crc_table z_get_crc_table -# define gz_error z_gz_error -# define gz_intmax z_gz_intmax -# define gz_strwinerror z_gz_strwinerror -# define gzbuffer z_gzbuffer -# define gzclearerr z_gzclearerr -# define gzclose z_gzclose -# define gzclose_r z_gzclose_r -# define gzclose_w z_gzclose_w -# define gzdirect z_gzdirect -# define gzdopen z_gzdopen -# define gzeof z_gzeof -# define gzerror z_gzerror -# define gzflush z_gzflush -# define gzgetc z_gzgetc -# define gzgets z_gzgets -# define gzoffset z_gzoffset -# define gzoffset64 z_gzoffset64 -# define gzopen z_gzopen -# define gzopen64 z_gzopen64 -# define gzprintf z_gzprintf -# define gzputc z_gzputc -# define gzputs z_gzputs -# define gzread z_gzread -# define gzrewind z_gzrewind -# define gzseek z_gzseek -# define gzseek64 z_gzseek64 -# define gzsetparams z_gzsetparams -# define gztell z_gztell -# define gztell64 z_gztell64 -# define gzungetc z_gzungetc -# define gzwrite z_gzwrite +# ifndef Z_SOLO +# define gz_error z_gz_error +# define gz_intmax z_gz_intmax +# define gz_strwinerror z_gz_strwinerror +# define gzbuffer z_gzbuffer +# define gzclearerr z_gzclearerr +# define gzclose z_gzclose +# define gzclose_r z_gzclose_r +# define gzclose_w z_gzclose_w +# define gzdirect z_gzdirect +# define gzdopen z_gzdopen +# define gzeof z_gzeof +# define gzerror z_gzerror +# define gzflush z_gzflush +# define gzgetc z_gzgetc +# define gzgetc_ z_gzgetc_ +# define gzgets z_gzgets +# define gzoffset z_gzoffset +# define gzoffset64 z_gzoffset64 +# define gzopen z_gzopen +# define gzopen64 z_gzopen64 +# ifdef _WIN32 +# define gzopen_w z_gzopen_w +# endif +# define gzprintf z_gzprintf +# define gzvprintf z_gzvprintf +# define gzputc z_gzputc +# define gzputs z_gzputs +# define gzread z_gzread +# define gzrewind z_gzrewind +# define gzseek z_gzseek +# define gzseek64 z_gzseek64 +# define gzsetparams z_gzsetparams +# define gztell z_gztell +# define gztell64 z_gztell64 +# define gzungetc z_gzungetc +# define gzwrite z_gzwrite +# endif # define inflate z_inflate # define inflateBack z_inflateBack # define inflateBackEnd z_inflateBackEnd @@ -94,16 +107,22 @@ # define inflateReset z_inflateReset # define inflateReset2 z_inflateReset2 # define inflateSetDictionary z_inflateSetDictionary +# define inflateGetDictionary z_inflateGetDictionary # define inflateSync z_inflateSync # define inflateSyncPoint z_inflateSyncPoint # define inflateUndermine z_inflateUndermine +# define inflateResetKeep z_inflateResetKeep # define inflate_copyright z_inflate_copyright # define inflate_fast z_inflate_fast # define inflate_table z_inflate_table -# define uncompress z_uncompress +# ifndef Z_SOLO +# define uncompress z_uncompress +# endif # define zError z_zError -# define zcalloc z_zcalloc -# define zcfree z_zcfree +# ifndef Z_SOLO +# define zcalloc z_zcalloc +# define zcfree z_zcfree +# endif # define zlibCompileFlags z_zlibCompileFlags # define zlibVersion z_zlibVersion @@ -113,7 +132,9 @@ # define alloc_func z_alloc_func # define charf z_charf # define free_func z_free_func -# define gzFile z_gzFile +# ifndef Z_SOLO +# define gzFile z_gzFile +# endif # define gz_header z_gz_header # define gz_headerp z_gz_headerp # define in_func z_in_func @@ -199,6 +220,12 @@ # endif #endif +#if defined(ZLIB_CONST) && !defined(z_const) +# define z_const const +#else +# define z_const +#endif + /* Some Mac compilers merge all .h files incorrectly: */ #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) # define NO_DUMMY_DECL @@ -245,6 +272,14 @@ # endif #endif +#ifndef Z_ARG /* function prototypes for stdarg */ +# if defined(STDC) || defined(Z_HAVE_STDARG_H) +# define Z_ARG(args) args +# else +# define Z_ARG(args) () +# endif +#endif + /* The following definitions for FAR are needed only for MSDOS mixed * model programming (small or medium model with some far allocations). * This was tested only with MSC; for other MSDOS compilers you may have @@ -358,12 +393,47 @@ typedef uLong FAR uLongf; typedef Byte *voidp; #endif +#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) +# include <limits.h> +# if (UINT_MAX == 0xffffffffUL) +# define Z_U4 unsigned +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short +# endif +#endif + +#ifdef Z_U4 + typedef Z_U4 z_crc_t; +#else + typedef unsigned long z_crc_t; +#endif + #ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ # define Z_HAVE_UNISTD_H #endif +#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_STDARG_H +#endif + #ifdef STDC -# include <sys/types.h> /* for off_t */ +# ifndef Z_SOLO +# include <sys/types.h> /* for off_t */ +# endif +#endif + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include <stdarg.h> /* for va_list */ +# endif +#endif + +#ifdef _WIN32 +# ifndef Z_SOLO +# include <stddef.h> /* for wchar_t */ +# endif #endif /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and @@ -372,21 +442,38 @@ typedef uLong FAR uLongf; * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as * equivalently requesting no 64-bit operations */ -#if -_LARGEFILE64_SOURCE - -1 == 1 +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 # undef _LARGEFILE64_SOURCE #endif -#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) -# include <unistd.h> /* for SEEK_* and off_t */ -# ifdef VMS -# include <unixio.h> /* for off_t */ -# endif -# ifndef z_off_t -# define z_off_t off_t +#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) +# define Z_HAVE_UNISTD_H +#endif +#ifndef Z_SOLO +# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) +# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ +# ifdef VMS +# include <unixio.h> /* for off_t */ +# endif +# ifndef z_off_t +# define z_off_t off_t +# endif # endif #endif -#ifndef SEEK_SET +#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 +# define Z_LFS64 +#endif + +#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) +# define Z_LARGE64 +#endif + +#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) +# define Z_WANT64 +#endif + +#if !defined(SEEK_SET) && !defined(Z_SOLO) # define SEEK_SET 0 /* Seek from beginning of file. */ # define SEEK_CUR 1 /* Seek from current position. */ # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ @@ -396,18 +483,14 @@ typedef uLong FAR uLongf; # define z_off_t long #endif -#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 +#if !defined(_WIN32) && defined(Z_LARGE64) # define z_off64_t off64_t #else -# define z_off64_t z_off_t -#endif - -#if defined(__OS400__) -# define NO_vsnprintf -#endif - -#if defined(__MVS__) -# define NO_vsnprintf +# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) +# define z_off64_t __int64 +# else +# define z_off64_t z_off_t +# endif #endif /* MVS linker does not support external names larger than 8 bytes */ diff --git a/Modules/zlib/zconf.h.in b/Modules/zlib/zconf.h.in index 02ce56c431..9987a77553 100644 --- a/Modules/zlib/zconf.h.in +++ b/Modules/zlib/zconf.h.in @@ -1,5 +1,5 @@ /* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2010 Jean-loup Gailly. + * Copyright (C) 1995-2013 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -15,11 +15,13 @@ * this permanently in zconf.h using "./configure --zprefix". */ #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ +# define Z_PREFIX_SET /* all linked symbols */ # define _dist_code z__dist_code # define _length_code z__length_code # define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits # define _tr_flush_block z__tr_flush_block # define _tr_init z__tr_init # define _tr_stored_block z__tr_stored_block @@ -27,9 +29,11 @@ # define adler32 z_adler32 # define adler32_combine z_adler32_combine # define adler32_combine64 z_adler32_combine64 -# define compress z_compress -# define compress2 z_compress2 -# define compressBound z_compressBound +# ifndef Z_SOLO +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# endif # define crc32 z_crc32 # define crc32_combine z_crc32_combine # define crc32_combine64 z_crc32_combine64 @@ -40,44 +44,53 @@ # define deflateInit2_ z_deflateInit2_ # define deflateInit_ z_deflateInit_ # define deflateParams z_deflateParams +# define deflatePending z_deflatePending # define deflatePrime z_deflatePrime # define deflateReset z_deflateReset +# define deflateResetKeep z_deflateResetKeep # define deflateSetDictionary z_deflateSetDictionary # define deflateSetHeader z_deflateSetHeader # define deflateTune z_deflateTune # define deflate_copyright z_deflate_copyright # define get_crc_table z_get_crc_table -# define gz_error z_gz_error -# define gz_intmax z_gz_intmax -# define gz_strwinerror z_gz_strwinerror -# define gzbuffer z_gzbuffer -# define gzclearerr z_gzclearerr -# define gzclose z_gzclose -# define gzclose_r z_gzclose_r -# define gzclose_w z_gzclose_w -# define gzdirect z_gzdirect -# define gzdopen z_gzdopen -# define gzeof z_gzeof -# define gzerror z_gzerror -# define gzflush z_gzflush -# define gzgetc z_gzgetc -# define gzgets z_gzgets -# define gzoffset z_gzoffset -# define gzoffset64 z_gzoffset64 -# define gzopen z_gzopen -# define gzopen64 z_gzopen64 -# define gzprintf z_gzprintf -# define gzputc z_gzputc -# define gzputs z_gzputs -# define gzread z_gzread -# define gzrewind z_gzrewind -# define gzseek z_gzseek -# define gzseek64 z_gzseek64 -# define gzsetparams z_gzsetparams -# define gztell z_gztell -# define gztell64 z_gztell64 -# define gzungetc z_gzungetc -# define gzwrite z_gzwrite +# ifndef Z_SOLO +# define gz_error z_gz_error +# define gz_intmax z_gz_intmax +# define gz_strwinerror z_gz_strwinerror +# define gzbuffer z_gzbuffer +# define gzclearerr z_gzclearerr +# define gzclose z_gzclose +# define gzclose_r z_gzclose_r +# define gzclose_w z_gzclose_w +# define gzdirect z_gzdirect +# define gzdopen z_gzdopen +# define gzeof z_gzeof +# define gzerror z_gzerror +# define gzflush z_gzflush +# define gzgetc z_gzgetc +# define gzgetc_ z_gzgetc_ +# define gzgets z_gzgets +# define gzoffset z_gzoffset +# define gzoffset64 z_gzoffset64 +# define gzopen z_gzopen +# define gzopen64 z_gzopen64 +# ifdef _WIN32 +# define gzopen_w z_gzopen_w +# endif +# define gzprintf z_gzprintf +# define gzvprintf z_gzvprintf +# define gzputc z_gzputc +# define gzputs z_gzputs +# define gzread z_gzread +# define gzrewind z_gzrewind +# define gzseek z_gzseek +# define gzseek64 z_gzseek64 +# define gzsetparams z_gzsetparams +# define gztell z_gztell +# define gztell64 z_gztell64 +# define gzungetc z_gzungetc +# define gzwrite z_gzwrite +# endif # define inflate z_inflate # define inflateBack z_inflateBack # define inflateBackEnd z_inflateBackEnd @@ -92,16 +105,22 @@ # define inflateReset z_inflateReset # define inflateReset2 z_inflateReset2 # define inflateSetDictionary z_inflateSetDictionary +# define inflateGetDictionary z_inflateGetDictionary # define inflateSync z_inflateSync # define inflateSyncPoint z_inflateSyncPoint # define inflateUndermine z_inflateUndermine +# define inflateResetKeep z_inflateResetKeep # define inflate_copyright z_inflate_copyright # define inflate_fast z_inflate_fast # define inflate_table z_inflate_table -# define uncompress z_uncompress +# ifndef Z_SOLO +# define uncompress z_uncompress +# endif # define zError z_zError -# define zcalloc z_zcalloc -# define zcfree z_zcfree +# ifndef Z_SOLO +# define zcalloc z_zcalloc +# define zcfree z_zcfree +# endif # define zlibCompileFlags z_zlibCompileFlags # define zlibVersion z_zlibVersion @@ -111,7 +130,9 @@ # define alloc_func z_alloc_func # define charf z_charf # define free_func z_free_func -# define gzFile z_gzFile +# ifndef Z_SOLO +# define gzFile z_gzFile +# endif # define gz_header z_gz_header # define gz_headerp z_gz_headerp # define in_func z_in_func @@ -197,6 +218,12 @@ # endif #endif +#if defined(ZLIB_CONST) && !defined(z_const) +# define z_const const +#else +# define z_const +#endif + /* Some Mac compilers merge all .h files incorrectly: */ #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) # define NO_DUMMY_DECL @@ -243,6 +270,14 @@ # endif #endif +#ifndef Z_ARG /* function prototypes for stdarg */ +# if defined(STDC) || defined(Z_HAVE_STDARG_H) +# define Z_ARG(args) args +# else +# define Z_ARG(args) () +# endif +#endif + /* The following definitions for FAR are needed only for MSDOS mixed * model programming (small or medium model with some far allocations). * This was tested only with MSC; for other MSDOS compilers you may have @@ -356,12 +391,47 @@ typedef uLong FAR uLongf; typedef Byte *voidp; #endif +#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) +# include <limits.h> +# if (UINT_MAX == 0xffffffffUL) +# define Z_U4 unsigned +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short +# endif +#endif + +#ifdef Z_U4 + typedef Z_U4 z_crc_t; +#else + typedef unsigned long z_crc_t; +#endif + #ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ # define Z_HAVE_UNISTD_H #endif +#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_STDARG_H +#endif + #ifdef STDC -# include <sys/types.h> /* for off_t */ +# ifndef Z_SOLO +# include <sys/types.h> /* for off_t */ +# endif +#endif + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include <stdarg.h> /* for va_list */ +# endif +#endif + +#ifdef _WIN32 +# ifndef Z_SOLO +# include <stddef.h> /* for wchar_t */ +# endif #endif /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and @@ -370,21 +440,38 @@ typedef uLong FAR uLongf; * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as * equivalently requesting no 64-bit operations */ -#if -_LARGEFILE64_SOURCE - -1 == 1 +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 # undef _LARGEFILE64_SOURCE #endif -#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) -# include <unistd.h> /* for SEEK_* and off_t */ -# ifdef VMS -# include <unixio.h> /* for off_t */ -# endif -# ifndef z_off_t -# define z_off_t off_t +#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) +# define Z_HAVE_UNISTD_H +#endif +#ifndef Z_SOLO +# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) +# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ +# ifdef VMS +# include <unixio.h> /* for off_t */ +# endif +# ifndef z_off_t +# define z_off_t off_t +# endif # endif #endif -#ifndef SEEK_SET +#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 +# define Z_LFS64 +#endif + +#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) +# define Z_LARGE64 +#endif + +#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) +# define Z_WANT64 +#endif + +#if !defined(SEEK_SET) && !defined(Z_SOLO) # define SEEK_SET 0 /* Seek from beginning of file. */ # define SEEK_CUR 1 /* Seek from current position. */ # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ @@ -394,18 +481,14 @@ typedef uLong FAR uLongf; # define z_off_t long #endif -#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 +#if !defined(_WIN32) && defined(Z_LARGE64) # define z_off64_t off64_t #else -# define z_off64_t z_off_t -#endif - -#if defined(__OS400__) -# define NO_vsnprintf -#endif - -#if defined(__MVS__) -# define NO_vsnprintf +# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) +# define z_off64_t __int64 +# else +# define z_off64_t z_off_t +# endif #endif /* MVS linker does not support external names larger than 8 bytes */ diff --git a/Modules/zlib/zconf.in.h b/Modules/zlib/zconf.in.h deleted file mode 100644 index 03a9431c8b..0000000000 --- a/Modules/zlib/zconf.in.h +++ /dev/null @@ -1,332 +0,0 @@ -/* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#ifndef ZCONF_H -#define ZCONF_H - -/* - * If you *really* need a unique prefix for all types and library functions, - * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. - */ -#ifdef Z_PREFIX -# define deflateInit_ z_deflateInit_ -# define deflate z_deflate -# define deflateEnd z_deflateEnd -# define inflateInit_ z_inflateInit_ -# define inflate z_inflate -# define inflateEnd z_inflateEnd -# define deflateInit2_ z_deflateInit2_ -# define deflateSetDictionary z_deflateSetDictionary -# define deflateCopy z_deflateCopy -# define deflateReset z_deflateReset -# define deflateParams z_deflateParams -# define deflateBound z_deflateBound -# define deflatePrime z_deflatePrime -# define inflateInit2_ z_inflateInit2_ -# define inflateSetDictionary z_inflateSetDictionary -# define inflateSync z_inflateSync -# define inflateSyncPoint z_inflateSyncPoint -# define inflateCopy z_inflateCopy -# define inflateReset z_inflateReset -# define inflateBack z_inflateBack -# define inflateBackEnd z_inflateBackEnd -# define compress z_compress -# define compress2 z_compress2 -# define compressBound z_compressBound -# define uncompress z_uncompress -# define adler32 z_adler32 -# define crc32 z_crc32 -# define get_crc_table z_get_crc_table -# define zError z_zError - -# define alloc_func z_alloc_func -# define free_func z_free_func -# define in_func z_in_func -# define out_func z_out_func -# define Byte z_Byte -# define uInt z_uInt -# define uLong z_uLong -# define Bytef z_Bytef -# define charf z_charf -# define intf z_intf -# define uIntf z_uIntf -# define uLongf z_uLongf -# define voidpf z_voidpf -# define voidp z_voidp -#endif - -#if defined(__MSDOS__) && !defined(MSDOS) -# define MSDOS -#endif -#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) -# define OS2 -#endif -#if defined(_WINDOWS) && !defined(WINDOWS) -# define WINDOWS -#endif -#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) -# ifndef WIN32 -# define WIN32 -# endif -#endif -#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) -# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) -# ifndef SYS16BIT -# define SYS16BIT -# endif -# endif -#endif - -/* - * Compile with -DMAXSEG_64K if the alloc function cannot allocate more - * than 64k bytes at a time (needed on systems with 16-bit int). - */ -#ifdef SYS16BIT -# define MAXSEG_64K -#endif -#ifdef MSDOS -# define UNALIGNED_OK -#endif - -#ifdef __STDC_VERSION__ -# ifndef STDC -# define STDC -# endif -# if __STDC_VERSION__ >= 199901L -# ifndef STDC99 -# define STDC99 -# endif -# endif -#endif -#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) -# define STDC -#endif -#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) -# define STDC -#endif -#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) -# define STDC -#endif -#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) -# define STDC -#endif - -#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ -# define STDC -#endif - -#ifndef STDC -# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ -# define const /* note: need a more gentle solution here */ -# endif -#endif - -/* Some Mac compilers merge all .h files incorrectly: */ -#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) -# define NO_DUMMY_DECL -#endif - -/* Maximum value for memLevel in deflateInit2 */ -#ifndef MAX_MEM_LEVEL -# ifdef MAXSEG_64K -# define MAX_MEM_LEVEL 8 -# else -# define MAX_MEM_LEVEL 9 -# endif -#endif - -/* Maximum value for windowBits in deflateInit2 and inflateInit2. - * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files - * created by gzip. (Files created by minigzip can still be extracted by - * gzip.) - */ -#ifndef MAX_WBITS -# define MAX_WBITS 15 /* 32K LZ77 window */ -#endif - -/* The memory requirements for deflate are (in bytes): - (1 << (windowBits+2)) + (1 << (memLevel+9)) - that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) - plus a few kilobytes for small objects. For example, if you want to reduce - the default memory requirements from 256K to 128K, compile with - make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" - Of course this will generally degrade compression (there's no free lunch). - - The memory requirements for inflate are (in bytes) 1 << windowBits - that is, 32K for windowBits=15 (default value) plus a few kilobytes - for small objects. -*/ - - /* Type declarations */ - -#ifndef OF /* function prototypes */ -# ifdef STDC -# define OF(args) args -# else -# define OF(args) () -# endif -#endif - -/* The following definitions for FAR are needed only for MSDOS mixed - * model programming (small or medium model with some far allocations). - * This was tested only with MSC; for other MSDOS compilers you may have - * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, - * just define FAR to be empty. - */ -#ifdef SYS16BIT -# if defined(M_I86SM) || defined(M_I86MM) - /* MSC small or medium model */ -# define SMALL_MEDIUM -# ifdef _MSC_VER -# define FAR _far -# else -# define FAR far -# endif -# endif -# if (defined(__SMALL__) || defined(__MEDIUM__)) - /* Turbo C small or medium model */ -# define SMALL_MEDIUM -# ifdef __BORLANDC__ -# define FAR _far -# else -# define FAR far -# endif -# endif -#endif - -#if defined(WINDOWS) || defined(WIN32) - /* If building or using zlib as a DLL, define ZLIB_DLL. - * This is not mandatory, but it offers a little performance increase. - */ -# ifdef ZLIB_DLL -# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) -# ifdef ZLIB_INTERNAL -# define ZEXTERN extern __declspec(dllexport) -# else -# define ZEXTERN extern __declspec(dllimport) -# endif -# endif -# endif /* ZLIB_DLL */ - /* If building or using zlib with the WINAPI/WINAPIV calling convention, - * define ZLIB_WINAPI. - * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. - */ -# ifdef ZLIB_WINAPI -# ifdef FAR -# undef FAR -# endif -# include <windows.h> - /* No need for _export, use ZLIB.DEF instead. */ - /* For complete Windows compatibility, use WINAPI, not __stdcall. */ -# define ZEXPORT WINAPI -# ifdef WIN32 -# define ZEXPORTVA WINAPIV -# else -# define ZEXPORTVA FAR CDECL -# endif -# endif -#endif - -#if defined (__BEOS__) -# ifdef ZLIB_DLL -# ifdef ZLIB_INTERNAL -# define ZEXPORT __declspec(dllexport) -# define ZEXPORTVA __declspec(dllexport) -# else -# define ZEXPORT __declspec(dllimport) -# define ZEXPORTVA __declspec(dllimport) -# endif -# endif -#endif - -#ifndef ZEXTERN -# define ZEXTERN extern -#endif -#ifndef ZEXPORT -# define ZEXPORT -#endif -#ifndef ZEXPORTVA -# define ZEXPORTVA -#endif - -#ifndef FAR -# define FAR -#endif - -#if !defined(__MACTYPES__) -typedef unsigned char Byte; /* 8 bits */ -#endif -typedef unsigned int uInt; /* 16 bits or more */ -typedef unsigned long uLong; /* 32 bits or more */ - -#ifdef SMALL_MEDIUM - /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ -# define Bytef Byte FAR -#else - typedef Byte FAR Bytef; -#endif -typedef char FAR charf; -typedef int FAR intf; -typedef uInt FAR uIntf; -typedef uLong FAR uLongf; - -#ifdef STDC - typedef void const *voidpc; - typedef void FAR *voidpf; - typedef void *voidp; -#else - typedef Byte const *voidpc; - typedef Byte FAR *voidpf; - typedef Byte *voidp; -#endif - -#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ -# include <sys/types.h> /* for off_t */ -# include <unistd.h> /* for SEEK_* and off_t */ -# ifdef VMS -# include <unixio.h> /* for off_t */ -# endif -# define z_off_t off_t -#endif -#ifndef SEEK_SET -# define SEEK_SET 0 /* Seek from beginning of file. */ -# define SEEK_CUR 1 /* Seek from current position. */ -# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ -#endif -#ifndef z_off_t -# define z_off_t long -#endif - -#if defined(__OS400__) -# define NO_vsnprintf -#endif - -#if defined(__MVS__) -# define NO_vsnprintf -# ifdef FAR -# undef FAR -# endif -#endif - -/* MVS linker does not support external names larger than 8 bytes */ -#if defined(__MVS__) -# pragma map(deflateInit_,"DEIN") -# pragma map(deflateInit2_,"DEIN2") -# pragma map(deflateEnd,"DEEND") -# pragma map(deflateBound,"DEBND") -# pragma map(inflateInit_,"ININ") -# pragma map(inflateInit2_,"ININ2") -# pragma map(inflateEnd,"INEND") -# pragma map(inflateSync,"INSY") -# pragma map(inflateSetDictionary,"INSEDI") -# pragma map(compressBound,"CMBND") -# pragma map(inflate_table,"INTABL") -# pragma map(inflate_fast,"INFA") -# pragma map(inflate_copyright,"INCOPY") -#endif - -#endif /* ZCONF_H */ diff --git a/Modules/zlib/zlib.3 b/Modules/zlib/zlib.3 index 27adc4cd10..0160e62b69 100644 --- a/Modules/zlib/zlib.3 +++ b/Modules/zlib/zlib.3 @@ -1,4 +1,4 @@ -.TH ZLIB 3 "19 Apr 2010" +.TH ZLIB 3 "28 Apr 2013" .SH NAME zlib \- compression/decompression library .SH SYNOPSIS @@ -36,9 +36,9 @@ All functions of the compression library are documented in the file .IR zlib.h . The distribution source includes examples of use of the library in the files -.I example.c +.I test/example.c and -.IR minigzip.c, +.IR test/minigzip.c, as well as other examples in the .IR examples/ directory. @@ -65,7 +65,7 @@ A Python interface to written by A.M. Kuchling (amk@magnet.com), is available in Python 1.5 and later versions: .IP -http://www.python.org/doc/lib/module-zlib.html +http://docs.python.org/library/zlib.html .LP .I zlib is built into @@ -95,11 +95,11 @@ http://zlib.net/ The data format used by the zlib library is described by RFC (Request for Comments) 1950 to 1952 in the files: .IP -http://www.ietf.org/rfc/rfc1950.txt (for the zlib header and trailer format) +http://tools.ietf.org/html/rfc1950 (for the zlib header and trailer format) .br -http://www.ietf.org/rfc/rfc1951.txt (for the deflate compressed data format) +http://tools.ietf.org/html/rfc1951 (for the deflate compressed data format) .br -http://www.ietf.org/rfc/rfc1952.txt (for the gzip header and trailer format) +http://tools.ietf.org/html/rfc1952 (for the gzip header and trailer format) .LP Mark Nelson wrote an article about .I zlib @@ -125,8 +125,8 @@ before asking for help. Send questions and/or comments to zlib@gzip.org, or (for the Windows DLL version) to Gilles Vollant (info@winimage.com). .SH AUTHORS -Version 1.2.5 -Copyright (C) 1995-2010 Jean-loup Gailly (jloup@gzip.org) +Version 1.2.8 +Copyright (C) 1995-2013 Jean-loup Gailly (jloup@gzip.org) and Mark Adler (madler@alumni.caltech.edu). .LP This software is provided "as-is," diff --git a/Modules/zlib/zlib.h b/Modules/zlib/zlib.h index 79a187ce83..3e0c7672ac 100644 --- a/Modules/zlib/zlib.h +++ b/Modules/zlib/zlib.h @@ -1,7 +1,7 @@ /* zlib.h -- interface of the 'zlib' general purpose compression library - version 1.2.5, April 19th, 2010 + version 1.2.8, April 28th, 2013 - Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler + Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages @@ -24,8 +24,8 @@ The data format used by the zlib library is described by RFCs (Request for - Comments) 1950 to 1952 in the files http://www.ietf.org/rfc/rfc1950.txt - (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). + Comments) 1950 to 1952 in the files http://tools.ietf.org/html/rfc1950 + (zlib format), rfc1951 (deflate format) and rfc1952 (gzip format). */ #ifndef ZLIB_H @@ -37,11 +37,11 @@ extern "C" { #endif -#define ZLIB_VERSION "1.2.5" -#define ZLIB_VERNUM 0x1250 +#define ZLIB_VERSION "1.2.8" +#define ZLIB_VERNUM 0x1280 #define ZLIB_VER_MAJOR 1 #define ZLIB_VER_MINOR 2 -#define ZLIB_VER_REVISION 5 +#define ZLIB_VER_REVISION 8 #define ZLIB_VER_SUBREVISION 0 /* @@ -83,15 +83,15 @@ typedef void (*free_func) OF((voidpf opaque, voidpf address)); struct internal_state; typedef struct z_stream_s { - Bytef *next_in; /* next input byte */ + z_const Bytef *next_in; /* next input byte */ uInt avail_in; /* number of bytes available at next_in */ - uLong total_in; /* total nb of input bytes read so far */ + uLong total_in; /* total number of input bytes read so far */ Bytef *next_out; /* next output byte should be put there */ uInt avail_out; /* remaining free space at next_out */ - uLong total_out; /* total nb of bytes output so far */ + uLong total_out; /* total number of bytes output so far */ - char *msg; /* last error message, NULL if no error */ + z_const char *msg; /* last error message, NULL if no error */ struct internal_state FAR *state; /* not visible by applications */ alloc_func zalloc; /* used to allocate the internal state */ @@ -327,8 +327,9 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); Z_FINISH can be used immediately after deflateInit if all the compression is to be done in a single step. In this case, avail_out must be at least the - value returned by deflateBound (see below). If deflate does not return - Z_STREAM_END, then it must be called again as described above. + value returned by deflateBound (see below). Then deflate is guaranteed to + return Z_STREAM_END. If not enough output space is provided, deflate will + not return Z_STREAM_END, and it must be called again as described above. deflate() sets strm->adler to the adler32 checksum of all input read so far (that is, total_in bytes). @@ -451,23 +452,29 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); error. However if all decompression is to be performed in a single step (a single call of inflate), the parameter flush should be set to Z_FINISH. In this case all pending input is processed and all pending output is flushed; - avail_out must be large enough to hold all the uncompressed data. (The size - of the uncompressed data may have been saved by the compressor for this - purpose.) The next operation on this stream must be inflateEnd to deallocate - the decompression state. The use of Z_FINISH is never required, but can be - used to inform inflate that a faster approach may be used for the single - inflate() call. + avail_out must be large enough to hold all of the uncompressed data for the + operation to complete. (The size of the uncompressed data may have been + saved by the compressor for this purpose.) The use of Z_FINISH is not + required to perform an inflation in one step. However it may be used to + inform inflate that a faster approach can be used for the single inflate() + call. Z_FINISH also informs inflate to not maintain a sliding window if the + stream completes, which reduces inflate's memory footprint. If the stream + does not complete, either because not all of the stream is provided or not + enough output space is provided, then a sliding window will be allocated and + inflate() can be called again to continue the operation as if Z_NO_FLUSH had + been used. In this implementation, inflate() always flushes as much output as possible to the output buffer, and always uses the faster approach on the - first call. So the only effect of the flush parameter in this implementation - is on the return value of inflate(), as noted below, or when it returns early - because Z_BLOCK or Z_TREES is used. + first call. So the effects of the flush parameter in this implementation are + on the return value of inflate() as noted below, when inflate() returns early + when Z_BLOCK or Z_TREES is used, and when inflate() avoids the allocation of + memory for a sliding window when Z_FINISH is used. If a preset dictionary is needed after this call (see inflateSetDictionary - below), inflate sets strm->adler to the adler32 checksum of the dictionary + below), inflate sets strm->adler to the Adler-32 checksum of the dictionary chosen by the compressor and returns Z_NEED_DICT; otherwise it sets - strm->adler to the adler32 checksum of all output produced so far (that is, + strm->adler to the Adler-32 checksum of all output produced so far (that is, total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described below. At the end of the stream, inflate() checks that its computed adler32 checksum is equal to that saved by the compressor and returns Z_STREAM_END @@ -478,7 +485,9 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); initializing with inflateInit2(). Any information contained in the gzip header is not retained, so applications that need that information should instead use raw inflate, see inflateInit2() below, or inflateBack() and - perform their own processing of the gzip header and trailer. + perform their own processing of the gzip header and trailer. When processing + gzip-wrapped deflate data, strm->adler32 is set to the CRC-32 of the output + producted so far. The CRC-32 is checked against the gzip trailer. inflate() returns Z_OK if some progress has been made (more input processed or more output produced), Z_STREAM_END if the end of the compressed data has @@ -580,10 +589,15 @@ ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, uInt dictLength)); /* Initializes the compression dictionary from the given byte sequence - without producing any compressed output. This function must be called - immediately after deflateInit, deflateInit2 or deflateReset, before any call - of deflate. The compressor and decompressor must use exactly the same - dictionary (see inflateSetDictionary). + without producing any compressed output. When using the zlib format, this + function must be called immediately after deflateInit, deflateInit2 or + deflateReset, and before any call of deflate. When doing raw deflate, this + function must be called either before any call of deflate, or immediately + after the completion of a deflate block, i.e. after all input has been + consumed and all output has been delivered when using any of the flush + options Z_BLOCK, Z_PARTIAL_FLUSH, Z_SYNC_FLUSH, or Z_FULL_FLUSH. The + compressor and decompressor must use exactly the same dictionary (see + inflateSetDictionary). The dictionary should consist of strings (byte sequences) that are likely to be encountered later in the data to be compressed, with the most commonly @@ -610,8 +624,8 @@ ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is inconsistent (for example if deflate has already been called for this stream - or if the compression method is bsort). deflateSetDictionary does not - perform any compression: this will be done by deflate(). + or if not at a block boundary for raw deflate). deflateSetDictionary does + not perform any compression: this will be done by deflate(). */ ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, @@ -688,8 +702,28 @@ ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm, deflation of sourceLen bytes. It must be called after deflateInit() or deflateInit2(), and after deflateSetHeader(), if used. This would be used to allocate an output buffer for deflation in a single pass, and so would be - called before deflate(). -*/ + called before deflate(). If that first deflate() call is provided the + sourceLen input bytes, an output buffer allocated to the size returned by + deflateBound(), and the flush value Z_FINISH, then deflate() is guaranteed + to return Z_STREAM_END. Note that it is possible for the compressed size to + be larger than the value returned by deflateBound() if flush options other + than Z_FINISH or Z_NO_FLUSH are used. +*/ + +ZEXTERN int ZEXPORT deflatePending OF((z_streamp strm, + unsigned *pending, + int *bits)); +/* + deflatePending() returns the number of bytes and bits of output that have + been generated, but not yet provided in the available output. The bytes not + provided would be due to the available output space having being consumed. + The number of bits of output not provided are between 0 and 7, where they + await more bits to join them in order to fill out a full byte. If pending + or bits are Z_NULL, then those values are not set. + + deflatePending returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. + */ ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm, int bits, @@ -703,8 +737,9 @@ ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm, than or equal to 16, and that many of the least significant bits of value will be inserted in the output. - deflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent. + deflatePrime returns Z_OK if success, Z_BUF_ERROR if there was not enough + room in the internal buffer to insert the bits, or Z_STREAM_ERROR if the + source stream state was inconsistent. */ ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm, @@ -790,10 +825,11 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, if that call returned Z_NEED_DICT. The dictionary chosen by the compressor can be determined from the adler32 value returned by that call of inflate. The compressor and decompressor must use exactly the same dictionary (see - deflateSetDictionary). For raw inflate, this function can be called - immediately after inflateInit2() or inflateReset() and before any call of - inflate() to set the dictionary. The application must insure that the - dictionary that was used for compression is provided. + deflateSetDictionary). For raw inflate, this function can be called at any + time to set the dictionary. If the provided dictionary is smaller than the + window and there is already data in the window, then the provided dictionary + will amend what's there. The application must insure that the dictionary + that was used for compression is provided. inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is @@ -803,19 +839,38 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, inflate(). */ +ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm, + Bytef *dictionary, + uInt *dictLength)); +/* + Returns the sliding dictionary being maintained by inflate. dictLength is + set to the number of bytes in the dictionary, and that many bytes are copied + to dictionary. dictionary must have enough space, where 32768 bytes is + always enough. If inflateGetDictionary() is called with dictionary equal to + Z_NULL, then only the dictionary length is returned, and nothing is copied. + Similary, if dictLength is Z_NULL, then it is not set. + + inflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the + stream state is inconsistent. +*/ + ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); /* - Skips invalid compressed data until a full flush point (see above the - description of deflate with Z_FULL_FLUSH) can be found, or until all + Skips invalid compressed data until a possible full flush point (see above + for the description of deflate with Z_FULL_FLUSH) can be found, or until all available input is skipped. No output is provided. - inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR - if no more input was provided, Z_DATA_ERROR if no flush point has been - found, or Z_STREAM_ERROR if the stream structure was inconsistent. In the - success case, the application may save the current value of total_in - which indicates where valid compressed data was found. In the error case, - the application may repeatedly call inflateSync, providing more input each - time, until success or end of the input data. + inflateSync searches for a 00 00 FF FF pattern in the compressed data. + All full flush points have this pattern, but not all occurrences of this + pattern are full flush points. + + inflateSync returns Z_OK if a possible full flush point has been found, + Z_BUF_ERROR if no more input was provided, Z_DATA_ERROR if no flush point + has been found, or Z_STREAM_ERROR if the stream structure was inconsistent. + In the success case, the application may save the current current value of + total_in which indicates where valid compressed data was found. In the + error case, the application may repeatedly call inflateSync, providing more + input each time, until success or end of the input data. */ ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest, @@ -962,12 +1017,13 @@ ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits, See inflateBack() for the usage of these routines. inflateBackInit will return Z_OK on success, Z_STREAM_ERROR if any of - the paramaters are invalid, Z_MEM_ERROR if the internal state could not be + the parameters are invalid, Z_MEM_ERROR if the internal state could not be allocated, or Z_VERSION_ERROR if the version of the library does not match the version of the header file. */ -typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *)); +typedef unsigned (*in_func) OF((void FAR *, + z_const unsigned char FAR * FAR *)); typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned)); ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, @@ -975,11 +1031,12 @@ ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, out_func out, void FAR *out_desc)); /* inflateBack() does a raw inflate with a single call using a call-back - interface for input and output. This is more efficient than inflate() for - file i/o applications in that it avoids copying between the output and the - sliding window by simply making the window itself the output buffer. This - function trusts the application to not change the output buffer passed by - the output function, at least until inflateBack() returns. + interface for input and output. This is potentially more efficient than + inflate() for file i/o applications, in that it avoids copying between the + output and the sliding window by simply making the window itself the output + buffer. inflate() can be faster on modern CPUs when used with large + buffers. inflateBack() trusts the application to not change the output + buffer passed by the output function, at least until inflateBack() returns. inflateBackInit() must be called first to allocate the internal state and to initialize the state with the user-provided window buffer. @@ -1088,6 +1145,7 @@ ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void)); 27-31: 0 (reserved) */ +#ifndef Z_SOLO /* utility functions */ @@ -1149,10 +1207,11 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, uncompress returns Z_OK if success, Z_MEM_ERROR if there was not enough memory, Z_BUF_ERROR if there was not enough room in the output - buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete. + buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete. In + the case where there is not enough room, uncompress() will fill the output + buffer with the uncompressed data up to that point. */ - /* gzip file access functions */ /* @@ -1162,7 +1221,7 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, wrapper, documented in RFC 1952, wrapped around a deflate stream. */ -typedef voidp gzFile; /* opaque gzip file descriptor */ +typedef struct gzFile_s *gzFile; /* semi-opaque gzip file descriptor */ /* ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); @@ -1172,13 +1231,28 @@ ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); a strategy: 'f' for filtered data as in "wb6f", 'h' for Huffman-only compression as in "wb1h", 'R' for run-length encoding as in "wb1R", or 'F' for fixed code compression as in "wb9F". (See the description of - deflateInit2 for more information about the strategy parameter.) Also "a" - can be used instead of "w" to request that the gzip stream that will be - written be appended to the file. "+" will result in an error, since reading - and writing to the same gzip file is not supported. + deflateInit2 for more information about the strategy parameter.) 'T' will + request transparent writing or appending with no compression and not using + the gzip format. + + "a" can be used instead of "w" to request that the gzip stream that will + be written be appended to the file. "+" will result in an error, since + reading and writing to the same gzip file is not supported. The addition of + "x" when writing will create the file exclusively, which fails if the file + already exists. On systems that support it, the addition of "e" when + reading or writing will set the flag to close the file on an execve() call. + + These functions, as well as gzip, will read and decode a sequence of gzip + streams in a file. The append function of gzopen() can be used to create + such a file. (Also see gzflush() for another way to do this.) When + appending, gzopen does not test whether the file begins with a gzip stream, + nor does it look for the end of the gzip streams to begin appending. gzopen + will simply append a gzip stream to the existing file. gzopen can be used to read a file which is not in gzip format; in this - case gzread will directly read from the file without decompression. + case gzread will directly read from the file without decompression. When + reading, this will be detected automatically by looking for the magic two- + byte gzip header. gzopen returns NULL if the file could not be opened, if there was insufficient memory to allocate the gzFile state, or if an invalid mode was @@ -1197,7 +1271,11 @@ ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode)); descriptor fd, just like fclose(fdopen(fd, mode)) closes the file descriptor fd. If you want to keep fd open, use fd = dup(fd_keep); gz = gzdopen(fd, mode);. The duplicated descriptor should be saved to avoid a leak, since - gzdopen does not close fd if it fails. + gzdopen does not close fd if it fails. If you are using fileno() to get the + file descriptor from a FILE *, then you will have to use dup() to avoid + double-close()ing the file descriptor. Both gzclose() and fclose() will + close the associated file descriptor, so they need to have different file + descriptors. gzdopen returns NULL if there was insufficient memory to allocate the gzFile state, if an invalid mode was specified (an 'r', 'w', or 'a' was not @@ -1235,14 +1313,26 @@ ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); /* Reads the given number of uncompressed bytes from the compressed file. If - the input file was not in gzip format, gzread copies the given number of - bytes into the buffer. + the input file is not in gzip format, gzread copies the given number of + bytes into the buffer directly from the file. After reaching the end of a gzip stream in the input, gzread will continue - to read, looking for another gzip stream, or failing that, reading the rest - of the input file directly without decompression. The entire input file - will be read if gzread is called until it returns less than the requested - len. + to read, looking for another gzip stream. Any number of gzip streams may be + concatenated in the input file, and will all be decompressed by gzread(). + If something other than a gzip stream is encountered after a gzip stream, + that remaining trailing garbage is ignored (and no error is returned). + + gzread can be used to read a gzip file that is being concurrently written. + Upon reaching the end of the input, gzread will return with the available + data. If the error code returned by gzerror is Z_OK or Z_BUF_ERROR, then + gzclearerr can be used to clear the end of file indicator in order to permit + gzread to be tried again. Z_OK indicates that a gzip stream was completed + on the last gzread. Z_BUF_ERROR indicates that the input file ended in the + middle of a gzip stream. Note that gzread does not return -1 in the event + of an incomplete gzip stream. This error is deferred until gzclose(), which + will return Z_BUF_ERROR if the last gzread ended in the middle of a gzip + stream. Alternatively, gzerror can be used before gzclose to detect this + case. gzread returns the number of uncompressed bytes actually read, less than len for end of file, or -1 for error. @@ -1256,7 +1346,7 @@ ZEXTERN int ZEXPORT gzwrite OF((gzFile file, error. */ -ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...)); +ZEXTERN int ZEXPORTVA gzprintf Z_ARG((gzFile file, const char *format, ...)); /* Converts, formats, and writes the arguments to the compressed file under control of the format string, as in fprintf. gzprintf returns the number of @@ -1301,7 +1391,10 @@ ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c)); ZEXTERN int ZEXPORT gzgetc OF((gzFile file)); /* Reads one byte from the compressed file. gzgetc returns this byte or -1 - in case of end of file or error. + in case of end of file or error. This is implemented as a macro for speed. + As such, it does not do all of the checking the other functions do. I.e. + it does not check to see if file is NULL, nor whether the structure file + points to has been clobbered or not. */ ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file)); @@ -1397,9 +1490,7 @@ ZEXTERN int ZEXPORT gzeof OF((gzFile file)); ZEXTERN int ZEXPORT gzdirect OF((gzFile file)); /* Returns true (1) if file is being copied directly while reading, or false - (0) if file is a gzip stream being decompressed. This state can change from - false to true while reading the input file if the end of a gzip stream is - reached, but is followed by data that is not another gzip stream. + (0) if file is a gzip stream being decompressed. If the input file is empty, gzdirect() will return true, since the input does not contain a gzip stream. @@ -1408,6 +1499,13 @@ ZEXTERN int ZEXPORT gzdirect OF((gzFile file)); cause buffers to be allocated to allow reading the file to determine if it is a gzip file. Therefore if gzbuffer() is used, it should be called before gzdirect(). + + When writing, gzdirect() returns true (1) if transparent writing was + requested ("wT" for the gzopen() mode), or false (0) otherwise. (Note: + gzdirect() is not needed when writing. Transparent writing must be + explicitly requested, so the application already knows the answer. When + linking statically, using gzdirect() will include all of the zlib code for + gzip file reading and decompression, which may not be desired.) */ ZEXTERN int ZEXPORT gzclose OF((gzFile file)); @@ -1419,7 +1517,8 @@ ZEXTERN int ZEXPORT gzclose OF((gzFile file)); must not be called more than once on the same allocation. gzclose will return Z_STREAM_ERROR if file is not valid, Z_ERRNO on a - file operation error, or Z_OK on success. + file operation error, Z_MEM_ERROR if out of memory, Z_BUF_ERROR if the + last read ended in the middle of a gzip stream, or Z_OK on success. */ ZEXTERN int ZEXPORT gzclose_r OF((gzFile file)); @@ -1457,6 +1556,7 @@ ZEXTERN void ZEXPORT gzclearerr OF((gzFile file)); file that is being written concurrently. */ +#endif /* !Z_SOLO */ /* checksum functions */ @@ -1492,16 +1592,17 @@ ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, Combine two Adler-32 checksums into one. For two sequences of bytes, seq1 and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of - seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. + seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. Note + that the z_off_t type (like off_t) is a signed integer. If len2 is + negative, the result has no meaning or utility. */ ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); /* Update a running CRC-32 with the bytes buf[0..len-1] and return the updated CRC-32. If buf is Z_NULL, this function returns the required - initial value for the for the crc. Pre- and post-conditioning (one's - complement) is performed within this function so it shouldn't be done by the - application. + initial value for the crc. Pre- and post-conditioning (one's complement) is + performed within this function so it shouldn't be done by the application. Usage example: @@ -1544,17 +1645,42 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, const char *version, int stream_size)); #define deflateInit(strm, level) \ - deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream)) + deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream)) #define inflateInit(strm) \ - inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream)) + inflateInit_((strm), ZLIB_VERSION, (int)sizeof(z_stream)) #define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ - (strategy), ZLIB_VERSION, sizeof(z_stream)) + (strategy), ZLIB_VERSION, (int)sizeof(z_stream)) #define inflateInit2(strm, windowBits) \ - inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream)) + inflateInit2_((strm), (windowBits), ZLIB_VERSION, \ + (int)sizeof(z_stream)) #define inflateBackInit(strm, windowBits, window) \ inflateBackInit_((strm), (windowBits), (window), \ - ZLIB_VERSION, sizeof(z_stream)) + ZLIB_VERSION, (int)sizeof(z_stream)) + +#ifndef Z_SOLO + +/* gzgetc() macro and its supporting function and exposed data structure. Note + * that the real internal state is much larger than the exposed structure. + * This abbreviated structure exposes just enough for the gzgetc() macro. The + * user should not mess with these exposed elements, since their names or + * behavior could change in the future, perhaps even capriciously. They can + * only be used by the gzgetc() macro. You have been warned. + */ +struct gzFile_s { + unsigned have; + unsigned char *next; + z_off64_t pos; +}; +ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */ +#ifdef Z_PREFIX_SET +# undef z_gzgetc +# define z_gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : gzgetc(g)) +#else +# define gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : gzgetc(g)) +#endif /* provide 64-bit offset functions if _LARGEFILE64_SOURCE defined, and/or * change the regular functions to 64 bits if _FILE_OFFSET_BITS is 64 (if @@ -1562,7 +1688,7 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, * functions are changed to 64 bits) -- in case these are set on systems * without large file support, _LFS64_LARGEFILE must also be true */ -#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 +#ifdef Z_LARGE64 ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int)); ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile)); @@ -1571,14 +1697,23 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off64_t)); #endif -#if !defined(ZLIB_INTERNAL) && _FILE_OFFSET_BITS-0 == 64 && _LFS64_LARGEFILE-0 -# define gzopen gzopen64 -# define gzseek gzseek64 -# define gztell gztell64 -# define gzoffset gzoffset64 -# define adler32_combine adler32_combine64 -# define crc32_combine crc32_combine64 -# ifdef _LARGEFILE64_SOURCE +#if !defined(ZLIB_INTERNAL) && defined(Z_WANT64) +# ifdef Z_PREFIX_SET +# define z_gzopen z_gzopen64 +# define z_gzseek z_gzseek64 +# define z_gztell z_gztell64 +# define z_gzoffset z_gzoffset64 +# define z_adler32_combine z_adler32_combine64 +# define z_crc32_combine z_crc32_combine64 +# else +# define gzopen gzopen64 +# define gzseek gzseek64 +# define gztell gztell64 +# define gzoffset gzoffset64 +# define adler32_combine adler32_combine64 +# define crc32_combine crc32_combine64 +# endif +# ifndef Z_LARGE64 ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); ZEXTERN z_off_t ZEXPORT gzseek64 OF((gzFile, z_off_t, int)); ZEXTERN z_off_t ZEXPORT gztell64 OF((gzFile)); @@ -1595,6 +1730,13 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t)); #endif +#else /* Z_SOLO */ + + ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t)); + +#endif /* !Z_SOLO */ + /* hack for buggy compilers */ #if !defined(ZUTIL_H) && !defined(NO_DUMMY_DECL) struct internal_state {int dummy;}; @@ -1603,8 +1745,21 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, /* undocumented functions */ ZEXTERN const char * ZEXPORT zError OF((int)); ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp)); -ZEXTERN const uLongf * ZEXPORT get_crc_table OF((void)); +ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table OF((void)); ZEXTERN int ZEXPORT inflateUndermine OF((z_streamp, int)); +ZEXTERN int ZEXPORT inflateResetKeep OF((z_streamp)); +ZEXTERN int ZEXPORT deflateResetKeep OF((z_streamp)); +#if defined(_WIN32) && !defined(Z_SOLO) +ZEXTERN gzFile ZEXPORT gzopen_w OF((const wchar_t *path, + const char *mode)); +#endif +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +ZEXTERN int ZEXPORTVA gzvprintf Z_ARG((gzFile file, + const char *format, + va_list va)); +# endif +#endif #ifdef __cplusplus } diff --git a/Modules/zlib/zlib.map b/Modules/zlib/zlib.map index f282d3624a..55c6647eb4 100644 --- a/Modules/zlib/zlib.map +++ b/Modules/zlib/zlib.map @@ -66,3 +66,18 @@ ZLIB_1.2.3.5 { gzclose_r; gzclose_w; } ZLIB_1.2.3.4; + +ZLIB_1.2.5.1 { + deflatePending; +} ZLIB_1.2.3.5; + +ZLIB_1.2.5.2 { + deflateResetKeep; + gzgetc_; + inflateResetKeep; +} ZLIB_1.2.5.1; + +ZLIB_1.2.7.1 { + inflateGetDictionary; + gzvprintf; +} ZLIB_1.2.5.2; diff --git a/Modules/zlib/zutil.c b/Modules/zlib/zutil.c index 898ed345b0..23d2ebef00 100644 --- a/Modules/zlib/zutil.c +++ b/Modules/zlib/zutil.c @@ -1,17 +1,20 @@ /* zutil.c -- target dependent utility functions for the compression library - * Copyright (C) 1995-2005, 2010 Jean-loup Gailly. + * Copyright (C) 1995-2005, 2010, 2011, 2012 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ /* @(#) $Id$ */ #include "zutil.h" +#ifndef Z_SOLO +# include "gzguts.h" +#endif #ifndef NO_DUMMY_DECL struct internal_state {int dummy;}; /* for buggy compilers */ #endif -const char * const z_errmsg[10] = { +z_const char * const z_errmsg[10] = { "need dictionary", /* Z_NEED_DICT 2 */ "stream end", /* Z_STREAM_END 1 */ "", /* Z_OK 0 */ @@ -85,27 +88,27 @@ uLong ZEXPORT zlibCompileFlags() #ifdef FASTEST flags += 1L << 21; #endif -#ifdef STDC +#if defined(STDC) || defined(Z_HAVE_STDARG_H) # ifdef NO_vsnprintf - flags += 1L << 25; + flags += 1L << 25; # ifdef HAS_vsprintf_void - flags += 1L << 26; + flags += 1L << 26; # endif # else # ifdef HAS_vsnprintf_void - flags += 1L << 26; + flags += 1L << 26; # endif # endif #else - flags += 1L << 24; + flags += 1L << 24; # ifdef NO_snprintf - flags += 1L << 25; + flags += 1L << 25; # ifdef HAS_sprintf_void - flags += 1L << 26; + flags += 1L << 26; # endif # else # ifdef HAS_snprintf_void - flags += 1L << 26; + flags += 1L << 26; # endif # endif #endif @@ -181,6 +184,7 @@ void ZLIB_INTERNAL zmemzero(dest, len) } #endif +#ifndef Z_SOLO #ifdef SYS16BIT @@ -316,3 +320,5 @@ void ZLIB_INTERNAL zcfree (opaque, ptr) } #endif /* MY_ZCALLOC */ + +#endif /* !Z_SOLO */ diff --git a/Modules/zlib/zutil.h b/Modules/zlib/zutil.h index 258fa88799..24ab06b1cf 100644 --- a/Modules/zlib/zutil.h +++ b/Modules/zlib/zutil.h @@ -1,5 +1,5 @@ /* zutil.h -- internal interface and configuration of the compression library - * Copyright (C) 1995-2010 Jean-loup Gailly. + * Copyright (C) 1995-2013 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -13,7 +13,7 @@ #ifndef ZUTIL_H #define ZUTIL_H -#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) +#ifdef HAVE_HIDDEN # define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) #else # define ZLIB_INTERNAL @@ -21,7 +21,7 @@ #include "zlib.h" -#ifdef STDC +#if defined(STDC) && !defined(Z_SOLO) # if !(defined(_WIN32_WCE) && defined(_MSC_VER)) # include <stddef.h> # endif @@ -29,6 +29,10 @@ # include <stdlib.h> #endif +#ifdef Z_SOLO + typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */ +#endif + #ifndef local # define local static #endif @@ -40,13 +44,13 @@ typedef unsigned short ush; typedef ush FAR ushf; typedef unsigned long ulg; -extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ +extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ /* (size given to avoid silly warnings with Visual C++) */ #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] #define ERR_RETURN(strm,err) \ - return (strm->msg = (char*)ERR_MSG(err), (err)) + return (strm->msg = ERR_MSG(err), (err)) /* To be used only when the state is known to be valid */ /* common constants */ @@ -78,16 +82,18 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) # define OS_CODE 0x00 -# if defined(__TURBOC__) || defined(__BORLANDC__) -# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) - /* Allow compilation with ANSI keywords only enabled */ - void _Cdecl farfree( void *block ); - void *_Cdecl farmalloc( unsigned long nbytes ); -# else -# include <alloc.h> +# ifndef Z_SOLO +# if defined(__TURBOC__) || defined(__BORLANDC__) +# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) + /* Allow compilation with ANSI keywords only enabled */ + void _Cdecl farfree( void *block ); + void *_Cdecl farmalloc( unsigned long nbytes ); +# else +# include <alloc.h> +# endif +# else /* MSC or DJGPP */ +# include <malloc.h> # endif -# else /* MSC or DJGPP */ -# include <malloc.h> # endif #endif @@ -107,18 +113,20 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ #ifdef OS2 # define OS_CODE 0x06 -# ifdef M_I86 +# if defined(M_I86) && !defined(Z_SOLO) # include <malloc.h> # endif #endif #if defined(MACOS) || defined(TARGET_OS_MAC) # define OS_CODE 0x07 -# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os -# include <unix.h> /* for fdopen */ -# else -# ifndef fdopen -# define fdopen(fd,mode) NULL /* No fdopen() */ +# ifndef Z_SOLO +# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os +# include <unix.h> /* for fdopen */ +# else +# ifndef fdopen +# define fdopen(fd,mode) NULL /* No fdopen() */ +# endif # endif # endif #endif @@ -153,14 +161,15 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ # endif #endif -#if defined(__BORLANDC__) +#if defined(__BORLANDC__) && !defined(MSDOS) #pragma warn -8004 #pragma warn -8008 #pragma warn -8066 #endif /* provide prototypes for these when building zlib without LFS */ -#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0 +#if !defined(_WIN32) && \ + (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); #endif @@ -177,42 +186,7 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ /* functions */ -#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) -# ifndef HAVE_VSNPRINTF -# define HAVE_VSNPRINTF -# endif -#endif -#if defined(__CYGWIN__) -# ifndef HAVE_VSNPRINTF -# define HAVE_VSNPRINTF -# endif -#endif -#ifndef HAVE_VSNPRINTF -# ifdef MSDOS - /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), - but for now we just assume it doesn't. */ -# define NO_vsnprintf -# endif -# ifdef __TURBOC__ -# define NO_vsnprintf -# endif -# ifdef WIN32 - /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ -# if !defined(vsnprintf) && !defined(NO_vsnprintf) -# if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 ) -# define vsnprintf _vsnprintf -# endif -# endif -# endif -# ifdef __SASC -# define NO_vsnprintf -# endif -#endif -#ifdef VMS -# define NO_vsnprintf -#endif - -#if defined(pyr) +#if defined(pyr) || defined(Z_SOLO) # define NO_MEMCPY #endif #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) @@ -261,14 +235,19 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ # define Tracecv(c,x) #endif - -voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, - unsigned size)); -void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); +#ifndef Z_SOLO + voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, + unsigned size)); + void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); +#endif #define ZALLOC(strm, items, size) \ (*((strm)->zalloc))((strm)->opaque, (items), (size)) #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} +/* Reverse the bytes in a 32-bit value */ +#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ + (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) + #endif /* ZUTIL_H */ |