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* tests: reenable gnulib's strtoll and strtoull testsJim Meyering2023-05-041-2/+0
| | | | | * bootstrap.conf (avoided_gnulib_modules): Restore those tests. The failures I saw must have been due to a stale config.cache.
* tests: temporarily omit gnulib's strtoll and strtoull testsJim Meyering2023-04-301-0/+2
| | | | | * bootstrap.conf (avoided_gnulib_modules): Omit strtoll and strtoull tests, because the edge-case 0[bx] tests fail on recent systems.
* grep: re-fix Y2038 bug on glibc 2.34+ x86, ARMPaul Eggert2023-04-031-0/+1
| | | | | | | | | | The meaning of AC_SYS_LARGEFILE has changed to no longer even try to use wider time_t if available. So use AC_SYS_YEAR2038 as well. A more-aggressive change would be to use the next Autoconf’s AC_SYS_YEAR2038_REQUIRED but at least let’s restore the grep 3.8 behavior. * NEWS: Mention this. * bootstrap.conf: Add year2038.
* Don't require 'rsync' as a prerequisite. It is no longer needed since 2018.Bruno Haible2023-01-301-1/+0
| | | | | * bootstrap.conf (buildreq): Remove rsync. * README-prereq: Likewise.
* maint: update copyright datesJim Meyering2023-01-011-1/+1
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* maint: prefer stdckdint.h to intprops.hPaul Eggert2022-10-111-0/+1
| | | | | | | | Prefer the standard C23 ckd_* macros to Gnulib’s *_WRAPV macros. * bootstrap.conf (gnulib_modules): Add stdckdint. * src/grep.c, src/kwset.c, src/pcresearch.c: Include stdckdint.h, and prefer ckd_* to *_WRAPV. Include intprops.h only if needed.
* maint: prefer C23 style for static_assertPaul Eggert2022-10-111-0/+1
| | | | | | * bootstrap.conf (gnulib_modules): Add assert-h, for static_assert. * src/dfasearch.c (regex_compile): Prefer static_assert to verify.
* maint: remove reference to gnulib module, allocaJim Meyering2022-06-301-1/+0
| | | | | * bootstrap.conf (gnulib_modules): Remove alloca; we do not use it directly.
* maint: stop using obsolete iswctype gnulib moduleJim Meyering2022-06-081-1/+0
| | | | * bootstrap.conf (gnulib_modules): Remove iswctype, an unused and obsolete module.
* maint: include fdl.texi in version control, per gnulib module adviceJim Meyering2022-05-291-1/+0
| | | | | | | * bootstrap.conf (gnulib_modules): Remove fdl. * doc/.gitignore: Do not list fdl.texi * doc/fdl.texi: New file. * cfg.mk (FILTER_LONG_LINES): Add doc/fdl.texi.
* maint: make update-copyrightJim Meyering2022-01-011-1/+1
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* grep: prefer signed to unsigned integersPaul Eggert2021-08-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This improves runtime checking for integer overflow when compiling with gcc -fsanitize=undefined and the like. It also avoids the need for some integer casts, which can be error-prone. * bootstrap.conf (gnulib_modules): Add idx. * src/dfasearch.c (struct dfa_comp, kwsmusts): (possible_backrefs_in_pattern, regex_compile, GEAcompile) (EGexecute): * src/grep.c (struct patloc, patlocs_allocated, patlocs_used) (n_patterns, update_patterns, pattern_file_name, poison_len) (asan_poison, fwrite_errno, compile_fp_t, execute_fp_t) (buf_has_encoding_errors, buf_has_nulls, file_must_have_nulls) (bufalloc, pagesize, all_zeros, fillbuf, nlscan) (print_line_head, print_line_middle, print_line_tail, grepbuf) (grep, contains_encoding_error, fgrep_icase_available) (fgrep_icase_charlen, fgrep_to_grep_pattern, try_fgrep_pattern) (main): * src/kwsearch.c (struct kwsearch, Fcompile, Fexecute): * src/kwset.c (struct trie, struct kwset, kwsalloc, kwsincr) (kwswords, treefails, memchr_kwset, acexec_trans, kwsexec) (treedelta, kwsprep, bm_delta2_search, bmexec_trans, bmexec) (acexec): * src/kwset.h (struct kwsmatch): * src/pcresearch.c (Pcompile, Pexecute): * src/search.h (mb_clen): * src/searchutils.c (kwsinit, mb_goback, wordchars_count) (wordchars_size, wordchar_next, wordchar_prev): Prefer idx_t to size_t or ptrdiff_t for nonnegative sizes, and prefer ptrdiff_t to size_t for sizes plus error values. * src/grep.c (uword_size): New constant, used for signed size calculations. (totalnl, add_count, totalcc, print_offset, print_line_head, grep): Prefer intmax_t to uintmax_t for wide integer calculations. (fgrep_icase_charlen): Prefer ptrdiff_t to int for size offsets. * src/grep.h: Include idx.h. * src/search.h (imbrlen): New function, like mbrlen except with idx_t and ptrdiff_t.
* maint: run "make update-copyright"Paul Eggert2021-01-011-1/+1
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* grep: be more consistent about diagnostic formatPaul Eggert2020-09-181-1/+0
| | | | | | | | | | * NEWS: Mention this. * bootstrap.conf (gnulib_modules): Remove 'quote'. * src/grep.c: Do not include quote.h. (grep, grepdirent, grepdesc): Put the three unusual diagnostics into the same "grep: FOO: message" form that grep uses elsewhere. * tests/binary-file-matches, tests/in-eq-out-infloop: Adjust tests to match new diagnostic format.
* Prefer rawmemchr to memchr when it’s easyPaul Eggert2020-09-071-0/+1
| | | | | | | | | | * bootstrap.conf (gnulib_modules): Add rawmemchr. * src/dfasearch.c (GEAcompile, EGexecute): * src/grep.c (update_patterns, prpending, prtext): * src/kwsearch.c (Fcompile, Fexecute): * src/pcresearch.c (Pcompile, Pexecute): Simplify (and presumably speed up a little) by using rawmemchr with a sentinel, instead of using memchr.
* Omit duplicate regexpsPaul Eggert2020-09-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not pass two copies of the same regexp to the regular-expression engine. Although the engines should perform nearly as well even with the copies, in practice they do not. Problem reported by Luca Borzacchiello (Bug#43040). * bootstrap.conf (gnulib_modules): Add hash. * src/grep.c: Include stdint.h, for SIZE_WIDTH. Include hash.h. (struct patloc, patloc, patlocs_allocated, patlocs_used): Rename from struct FL_pair, fl_pair, n_fl_pair_slots, n_pattern_files, respectively, since the data type is no longer a pair. All uses changed. (struct patloc): New member FILELINE. The lineno member is now ptrdiff_t since nowadays we prefer signed types. (pattern_array, patterns_table): New static vars. (count_nl_bytes, fl_add): Remove; no longer used. (hash_pattern, compare_patterns, update_patterns): New functions. update_patterns does what fl_add used to do, plus remove dups. (pattern_file_name): Adjust to change from fl_pair to patloc. (main): Move some variables to inner blocks for clarity. Maintain the pattern_table hash of all patterns. Update pattern_array to match keys, and use update_patterns instead of fl_add to remove duplicate keys. * tests/filename-lineno.pl (invalid-re-2-files) (invalid-re-2-files2, invalid-re-2e): Ensure regexps are unique in tests so that dups aren’t removed in diagnostics. (invalid-re-line-numbers): New test.
* build: update gnulib to latestJim Meyering2020-08-231-0/+1
| | | | | | | * gnulib: Update submodule to latest. * bootstrap.conf (gnulib_modules): Add explicit dependency on dirname-lgpl. Before, we pulled this in via a dependency. * bootstrap: Update from gnulib.
* maint: update all copyright year number rangesJim Meyering2020-01-011-1/+1
| | | | | | | | Run "make update-copyright" and then... * gnulib: Update to latest with copyright year adjusted. * tests/init.sh: Sync with gnulib to pick up copyright year. * bootstrap: Likewise. * doc/grep.in.1: Use "-" in copyright year ranges, not \en.
* grep: parse --color arg independent of localePaul Eggert2019-02-031-0/+1
| | | | | | | This is a better fix for Bug#34285. * bootstrap.conf (gnulib_modules): Add c-strcase. * src/grep.c: Include c-strcase.h, not strings.h. (main): Use c_strcasecmp, not strcasecmp.
* maint: update all copyright dates via "make update-copyright"Jim Meyering2019-01-011-1/+1
| | | | * gnulib: Also update submodule for its copyright updates.
* maint: fix build failurePaul Eggert2018-09-191-0/+1
| | | | | | | | | Problem found by OpenCSW buildbot; the bug also occurs on GNU/Linux build platforms. The symptom is “system.h:26:24: fatal error: configmake.h: No such file or directory”. See: https://buildfarm.opencsw.org/buildbot/builders/ggrep-solaris10-sparc/builds/107 * bootstrap.conf: Add configmake, a dependency that was formerly brought in only by accident.
* maint: update URLsPaul Eggert2018-04-211-1/+1
| | | | | Mostly this is just changing http: to https:. In one or two places it removes no-longer-useful URLs.
* maint: update gnulib and copyright dates for 2018Jim Meyering2018-01-061-1/+1
| | | | | | * gnulib: Update to latest. * all files: Run "make update-copyright". * bootstrap: Update from gnulib.
* grep: diagnose stack overflow rather than segfaultingJim Meyering2017-12-161-0/+1
| | | | | | | | | | | | | | | | | | | * bootstrap.conf (gnulib_modules): Add c-stack. * src/grep.c: Include "c-stack.h". (main): Call c_stack_action (NULL); * tests/stack-overflow: New file. * tests/Makefile.am (TESTS): Add name of new file. * NEWS (Improvements): Mention it. Interestingly, this bug does not afflict grep-2.5.4 or prior, so it appeared to have been introduced with grep-2.6. However, the origin is in glibc's regexp compiler, and I tracked it to stack-aware parsing that was removed from glibc's regexp in 2002. However, grep-2.5.4 was released in 2009. That version worked (and still works, now) because it included and (by default) used an old copy of glibc's regexp code. Jeremy Feusi reported the grep segfault in https://bugs.gnu.org/29666. I reported the glibc regexp bug in https://sourceware.org/bugzilla/show_bug.cgi?id=22620
* grep: fix directory recursion on MS-WindowsStephan T. Lavavej2017-11-261-0/+1
| | | | | | | | | | | | | | | | | gnulib recently gained a module, windows-stat-inodes, that fixes directory recursion on MS-Windows. No changes to grep's C sources are required; grep simply needs to request the module during configuration. When grep requests this module, its configure script will gain the behavior that was implemented in windows-stat-inodes.m4. This detects mingw and sets WINDOWS_STAT_INODES=1. All other platforms are unaffected, setting WINDOWS_STAT_INODES=0 (which is what's happening in the absence of this patch). * bootstrap.conf (gnulib_modules): Add windows-stat-inodes. * NEWS (Bug fixes): Mention it. Thanks to Pär Björklund who diagnosed the problem as involving inodes, and thanks to Václav Haisman who provided the bootstrap.conf patch.
* Fix up recent -U patchesPaul Eggert2017-02-161-4/+3
| | | | | | | | | | | | | | | Inspired by a suggestion by Eric Blake (Bug#25707#17). * bootstrap.conf (gnulib_modules): Add xbinary-io, and remove binary-io and xfreopen. * doc/grep.texi (Other Options): Fix typo and reword to be a bit more general. * src/grep.c: Include xbinary-io.h instead of xfreopen.h. (grepfile): Open with O_BINARY if binary. (grepdesc): No need for set_binary_mode now. (grep_command_line_arg, main): Set stdin to binary mode if binary. (main): Avoid unnecessary test of stdin == NULL. Use xsetmode instead of xfreopen. * src/system.h: Do not include binary-io.h.
* Simplify -U on MS-Windows by removing guessworkPaul Eggert2017-02-161-0/+1
| | | | | | | | | | | | | | Suggested by Eric Blake (Bug#25707#11). * NEWS, doc/grep.texi: Document this. * src/dosbuf.c: Remove. * bootstrap.conf (gnulib_modules): Add xfreopen. * src/grep.c: Include xfreopen.h, not dosbuf.c. (fillbuf, print_line_head): Do not undossify input. (binary): New static var. (grepdesc): Apply BINARY to input file. (usage): Remove -u help. (main): Set BINARY if -U, and apply it to stdout. Do nothing if -u. With -f, apply BINARY to input file.
* maint: update gnulib and copyright dates for 2017Jim Meyering2017-01-011-1/+1
| | | | | * gnulib: Update to latest. * all files: Run "make update-copyright".
* build: placate GCC 7's -Wimplicit-fallthroughJim Meyering2016-09-281-0/+1
| | | | | | | | | * src/pcresearch.c (die): New macro. (Pexecute): Use it in place of offending uses of error, to placate GCC 7's -Wimplicit-fallthrough. Include verify.h. Since this is grep's first explicit use of this gnulib module, ... * bootstrap.conf (gnulib_modules): Add verify.
* dfa: reflect move of grep's DFA code to gnulibJim Meyering2016-09-101-0/+1
| | | | | | | | | | | | | | | | | | | | | Now that the core DFA code and tests reside in gnulib, remove the copies here and use what gnulib provides. * bootstrap.conf: Use the dfa module. * cfg.mk: Remove settings involving files that have moved. (_gl_TS_unmarked_extern_functions): Add dfaerror and dfawarn. It is wrong/ugly to have to define these global symbols to use the dfa module, but we'll adjust that separately. * po/POTFILES.in: Apply s/src/lib/ to src/dfa.c. * src/Makefile.am: Remove mention of dfa.[ch] and localeinfo.[ch]. * tests/Makefile.am: Remove mention of the tests that we have moved to the gnulib module. * src/dfa.c: Remove file. * src/dfa.h: Likewise. * src/localeinfo.c: Likewise. * src/localeinfo.h: Likewise. * tests/dfa-match: Likewise. * tests/dfa-match-aux.c: Likewise. * tests/invalid-char-class: Likewise.
* maint: switch from gnulib's progname to getprogname moduleJim Meyering2016-09-051-1/+1
| | | | | | | | | | | * gnulib: Update to latest, for its new getprogname module. * bootstrap.conf (avoided_gnulib_modules): Include the getprogname module rather than the now-obsolescent progname. * src/grep.c: Include "getprogname.h" rather than "progname.h" and remove any use of set_program_name. * tests/dfa-match-aux.c (main): Likewise. * tests/get-mb-cur-max.c (main): Likewise. * src/grep.c (usage, main): Use getprogname() in place of program_name.
* dfa: remove dependency on btowcPaul Eggert2016-04-191-1/+0
| | | | | | | | | | | | | | | | | | | MirOS BSD btowc is a macro that (when GCC is being used) hardcodes btowc (0x80) == WEOF regardless of locale, which contradicts future POSIX in the C locale. Instead of bothering to develop a Gnulib workaround for the btowc incompatibility, use mbrtowc, which we are using elsewhere and fixing anyway, and are caching so it is fast here. Problem reported by Nelson H. F. Beebe via Jim Meyering in: http://bugs.gnu.org/23269#14 * bootstrap.conf (gnulib_modules): Remove btowc. * src/dfa.c (struct dfa): Remove mbrtowc_cache member, replacing with ... (mbrtowc_cache): ... this new static var. All uses changed. (dfambcache): Remove; now done by setsyntax. Call removed. (is_valid_unibyte_character): Remove. (IS_WORD_CONSTITUENT): Remove this macro, replacing it with ... (unibyte_word_constituent): ... this new function. It uses mbrtowc_cache rather than btowc. (dfasyntax): Initialize mbrtowc_cache before using it.
* tests: omit update-copyright-testsPaul Eggert2016-01-151-0/+1
| | | | | | | This test does not check how 'grep' itself operates, so it is out of place for grep's 'make check'. Problem reported by Sam Razavi in: http://bugs.gnu.org/22376 * bootstrap.conf (avoided_gnulib_modules): Add update-copyright-tests.
* maint: update copyright year, bootstrap, init.shJim Meyering2016-01-011-1/+1
| | | | | | | | Run "make update-copyright" and then... * gnulib: Update to latest. * tests/init.sh: Update from gnulib. * bootstrap: Likewise.
* build: avoid spurious bootstrap failure involving pkg.m4Jim Meyering2015-10-171-1/+3
| | | | | | | | | | Running ./bootstrap could fail mistakenly at the very end in its attempt to obtain a copy of pkg.m4. It would search only $(aclocal --print-ac-dir) and some other directories, but not those listed in $(aclocal --print-ac-dir)/dirlist. * bootstrap.conf (bootstrap_post_import_hook): Also search the directories named in $(aclocal --print-ac-dir)/dirlist when that file exists with nonzero size.
* build: use pkg-config (if available) to configure libpcrePaul Eggert2015-04-061-0/+15
| | | | | | | | | | | | | Problem reported by Mike Frysinger in: http://bugs.gnu.org/16757 * bootstrap.conf (bootstrap_post_import_hook): Copy pkg-config's pkg.m4. * configure.ac: Invoke PKG_PROG_PKG_CONFIG. * m4/pcre.m4 (gl_FUNC_PCRE): Rewrite to use pkg-config if available, and to test that pcre_compile can be linked to. * src/Makefile.am (AM_CFLAGS): Add PCRE_CFLAGS. (grep_LDADD): Add PCRE_LIBS. * src/pcresearch.c: Simply include <pcre.h> if HAVE_LIBPCRE, since 'configure' arranges for the appropriate -I option now.
* maint: update copyright year ranges to include 2015Jim Meyering2015-01-011-1/+1
| | | | | Run "make update-copyright". Also, ... * grep.texi: Update manually, converting each "--" to "-".
* grep: improve performance for older glibcPaul Eggert2014-09-161-0/+1
| | | | | | | | | glibc has a bug where mbrlen and mbrtowc mishandle length-0 inputs. Working around it in gnulib slows grep down, so disable the tests for it and make sure grep works even if the bug is present. * bootstrap.conf (avoided_gnulib_modules): Add mbrtowc-tests. * configure.ac (gl_cv_func_mbrtowc_empty_input): Assume yes. * src/searchutils.c (mb_next_wc): Don't invoke mbrtowc on empty input.
* doc: use gnulib fdl modulePaul Eggert2014-06-071-0/+1
| | | | | | * bootstrap.conf (gnulib_modules): Add fdl. * doc/fdl.texi: Remove, as this now comes from gnulib. * doc/.gitignore: Update to match current sources.
* grep: use system strstr if available and fastPaul Eggert2014-06-051-0/+1
| | | | | | | | | Problem reported by Norihiro Tanaka in: http://bugs.gnu.org/17700 * NEWS: Document this. * bootstrap.conf (gnulib_modules): Add strstr. * src/dfa.c (istrstr): Remove. (enlist): Use strstr instead. Wait until we need memory before allocating it; this can save an unnecessary allocate and free.
* kwset: speed up by using memchr2Paul Eggert2014-04-261-0/+1
| | | | | | | | | | | | | | Idea suggested by Eric Blake in: http://bugs.gnu.org/17229#43 * bootstrap.conf (gnulib_modules): Add memchr2. * src/kwset.c: Include stdint.h, for uintptr_t. Include memchr2.h. (struct kwset): New members gc1, gc2, gc1help. (tr): Move earlier, so it can be used earlier. (kwsprep): Initialize struct kwset's new members. (memchr_kwset): Rename from memchr_trans. Combine C and TRANS args into new arg KWSET. All uses changed. Use memchr2 when appropriate. (bmexec): Use new members instead of recomputing their values. Increase advance_heuristic; it's just a guess, but memchr2 probably makes it reasonable to increase it.
* grep: remove trival_case_ignorePaul Eggert2014-04-071-1/+0
| | | | | | | | | | | | | | | | | | This optimization is no longer needed, given the other optimizations recently installed. Derived from a patch by Norihiro Tanaka; see <http://bugs.gnu.org/17019>. * bootstrap.conf (gnulib_modules): Remove assert-h. * src/dfa.c (CASE_FOLDED_BUFSIZE): Move here from dfa.h. Remove now-unnecessary static assert. (case_folded_counterparts): Now static. * src/dfa.h (CASE_FOLDED_BUFSIZE, case_folded_counterparts): Remove decls; no longer public. * src/dfasearch.c (kwsmusts): Use kwset even if fill MB_CUR_MAX > 1 and case-insensitive. * src/grep.c (MBRTOWC, WCRTOMB): Remove. (fgrep_to_grep_pattern): Use mbrtowc, not MBRTOWC. (trivial_case_ignore): Remove; this optimization is no longer needed. All uses removed.
* build: avoid OS X 10.8.5 build failure due to lack of static_assertJim Meyering2014-04-061-0/+1
| | | | | | | | | * bootstrap.conf (gnulib_modules): Add assert-h, to accommodate the new use of static_assert on systems lacking support for that construct. Without this change, compilation of dfa.c failed on OS X 10.8.5 with gcc-4.9.0 20140324. We should be using gnulib's assert-h module, regardless, for its nominal improved portability, since grep includes assert.h and uses assert.
* maint: update copyright dates for 2014Jim Meyering2014-01-011-1/+1
| | | | Do that by running "make update-copyright".
* grep: handle lines longer than INT_MAX on more systemsJim Meyering2013-12-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | When trying to exercize some long-line-handling code, I ran these commands: $ dd bs=1 seek=2G of=big < /dev/null; grep -l x big; echo $? grep: big: Invalid argument 2 grep should not have issued that diagnostic, and it should have exited with status 1, not 2. What happened? grep read the 2GiB of NULs, doubled its buffer size, copied the 2GiB into the new 4GiB buffer, and proceeded to call "read" with a byte-count argument of 2^32. On at least Darwin 12.5.0, that makes read fail with EINVAL. The solution is to use gnulib's safe_read wrapper. * src/main.c: Include "safe-read.h" (fillbuf): Use safe_read, rather than bare read. The latter cannot handle a read size of 2^32 on some systems. * bootstrap.conf (gnulib_modules): Add safe-read. * tests/long-line-vs-2GiB-read: New file. * tests/Makefile.am (TESTS): Add it. * NEWS (Bug fixes): Mention it.
* maint: remove now-unused wcscoll moduleJim Meyering2013-10-211-1/+0
| | | | * bootstrap.conf (gnulib_modules): Remove wcscoll; no longer used.
* build: update gnulib-related codeJim Meyering2013-08-101-8/+14
| | | | | | | * gnulib: Update submodule to latest. * bootstrap: Update from gnulib. * gl/lib/regex_internal.h.diff: Update to reflect gnulib changes. * bootstrap.conf: Partial sync from coreutils.
* maint: update all copyright year number rangesJim Meyering2013-01-041-1/+1
| | | | Run "make update-copyright".
* tests: skip failing test on FS/system that lack SEEK_HOLE supportJim Meyering2012-08-021-0/+1
| | | | | | | | * tests/big-hole: Test for SEEK_HOLE support. If not available, skip this test. Hence, this test is now skipped on linux-3.5.0 with ext4 or tmpfs. The test runs (and passes) with at least btrfs, xfs, or ocfs2. * bootstrap.conf (gnulib_modules): Use the perl module.
* maint: remove stat-sizePaul Eggert2012-07-271-1/+0
| | | | | * bootstrap.conf (gnulib_modules): Remove stat-size. * src/main.c: Don't include stat-size.h; no longer needed.
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