diff options
| -rw-r--r-- | gl/Makefile.am | 20 | ||||
| -rw-r--r-- | gl/getdelim.c | 135 | ||||
| -rw-r--r-- | gl/getline.c | 27 | ||||
| -rw-r--r-- | gl/m4/getdelim.m4 | 88 | ||||
| -rw-r--r-- | gl/m4/getline.m4 | 96 | ||||
| -rw-r--r-- | gl/m4/gnulib-cache.m4 | 3 | ||||
| -rw-r--r-- | gl/m4/gnulib-comp.m4 | 22 | ||||
| -rw-r--r-- | gl/tests/Makefile.am | 18 | ||||
| -rw-r--r-- | gl/tests/test-getdelim.c | 94 | ||||
| -rw-r--r-- | gl/tests/test-getline.c | 94 |
10 files changed, 595 insertions, 2 deletions
diff --git a/gl/Makefile.am b/gl/Makefile.am index dd42ba7f39..47d9944a17 100644 --- a/gl/Makefile.am +++ b/gl/Makefile.am @@ -21,7 +21,7 @@ # the same distribution terms as the rest of that program. # # Generated by gnulib-tool. -# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=alignof-tests --avoid=lock-tests --avoid=lseek-tests --lgpl=2 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files alloca base64 byteswap c-ctype extensions func gendocs gettext gettimeofday hash-pjw-bare havelib iconv intprops lib-msvc-compat lib-symbol-versions maintainer-makefile manywarnings memmem-simple minmax netdb netinet_in pmccabe2html read-file snprintf stdint strcase strndup strtok_r strverscmp sys_socket sys_stat time_r u64 unistd valgrind-tests vasprintf vsnprintf warnings +# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=alignof-tests --avoid=lock-tests --avoid=lseek-tests --lgpl=2 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files alloca base64 byteswap c-ctype extensions func gendocs getline gettext gettimeofday hash-pjw-bare havelib iconv intprops lib-msvc-compat lib-symbol-versions maintainer-makefile manywarnings memmem-simple minmax netdb netinet_in pmccabe2html read-file snprintf stdint strcase strndup strtok_r strverscmp sys_socket sys_stat time_r u64 unistd valgrind-tests vasprintf vsnprintf warnings AUTOMAKE_OPTIONS = 1.9.6 gnits @@ -231,6 +231,24 @@ EXTRA_DIST += $(top_srcdir)/build-aux/gendocs.sh ## end gnulib module gendocs +## begin gnulib module getdelim + + +EXTRA_DIST += getdelim.c + +EXTRA_libgnu_la_SOURCES += getdelim.c + +## end gnulib module getdelim + +## begin gnulib module getline + + +EXTRA_DIST += getline.c + +EXTRA_libgnu_la_SOURCES += getline.c + +## end gnulib module getline + ## begin gnulib module gettext # If your project uses "gettextize --intl" to put a source-code diff --git a/gl/getdelim.c b/gl/getdelim.c new file mode 100644 index 0000000000..7762e52176 --- /dev/null +++ b/gl/getdelim.c @@ -0,0 +1,135 @@ +/* getdelim.c --- Implementation of replacement getdelim function. + Copyright (C) 1994, 1996-1998, 2001, 2003, 2005-2014 Free Software + Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. */ + +/* Ported from glibc by Simon Josefsson. */ + +/* Don't use __attribute__ __nonnull__ in this compilation unit. Otherwise gcc + optimizes away the lineptr == NULL || n == NULL || fp == NULL tests below. */ +#define _GL_ARG_NONNULL(params) + +#include <config.h> + +#include <stdio.h> + +#include <limits.h> +#include <stdint.h> +#include <stdlib.h> +#include <errno.h> + +#ifndef SSIZE_MAX +# define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2)) +#endif + +#if USE_UNLOCKED_IO +# include "unlocked-io.h" +# define getc_maybe_unlocked(fp) getc(fp) +#elif !HAVE_FLOCKFILE || !HAVE_FUNLOCKFILE || !HAVE_DECL_GETC_UNLOCKED +# undef flockfile +# undef funlockfile +# define flockfile(x) ((void) 0) +# define funlockfile(x) ((void) 0) +# define getc_maybe_unlocked(fp) getc(fp) +#else +# define getc_maybe_unlocked(fp) getc_unlocked(fp) +#endif + +/* Read up to (and including) a DELIMITER from FP into *LINEPTR (and + NUL-terminate it). *LINEPTR is a pointer returned from malloc (or + NULL), pointing to *N characters of space. It is realloc'ed as + necessary. Returns the number of characters read (not including + the null terminator), or -1 on error or EOF. */ + +ssize_t +getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp) +{ + ssize_t result; + size_t cur_len = 0; + + if (lineptr == NULL || n == NULL || fp == NULL) + { + errno = EINVAL; + return -1; + } + + flockfile (fp); + + if (*lineptr == NULL || *n == 0) + { + char *new_lineptr; + *n = 120; + new_lineptr = (char *) realloc (*lineptr, *n); + if (new_lineptr == NULL) + { + result = -1; + goto unlock_return; + } + *lineptr = new_lineptr; + } + + for (;;) + { + int i; + + i = getc_maybe_unlocked (fp); + if (i == EOF) + { + result = -1; + break; + } + + /* Make enough space for len+1 (for final NUL) bytes. */ + if (cur_len + 1 >= *n) + { + size_t needed_max = + SSIZE_MAX < SIZE_MAX ? (size_t) SSIZE_MAX + 1 : SIZE_MAX; + size_t needed = 2 * *n + 1; /* Be generous. */ + char *new_lineptr; + + if (needed_max < needed) + needed = needed_max; + if (cur_len + 1 >= needed) + { + result = -1; + errno = EOVERFLOW; + goto unlock_return; + } + + new_lineptr = (char *) realloc (*lineptr, needed); + if (new_lineptr == NULL) + { + result = -1; + goto unlock_return; + } + + *lineptr = new_lineptr; + *n = needed; + } + + (*lineptr)[cur_len] = i; + cur_len++; + + if (i == delimiter) + break; + } + (*lineptr)[cur_len] = '\0'; + result = cur_len ? cur_len : result; + + unlock_return: + funlockfile (fp); /* doesn't set errno */ + + return result; +} diff --git a/gl/getline.c b/gl/getline.c new file mode 100644 index 0000000000..c0d652e44b --- /dev/null +++ b/gl/getline.c @@ -0,0 +1,27 @@ +/* getline.c --- Implementation of replacement getline function. + Copyright (C) 2005-2007, 2009-2014 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Simon Josefsson. */ + +#include <config.h> + +#include <stdio.h> + +ssize_t +getline (char **lineptr, size_t *n, FILE *stream) +{ + return getdelim (lineptr, n, '\n', stream); +} diff --git a/gl/m4/getdelim.m4 b/gl/m4/getdelim.m4 new file mode 100644 index 0000000000..c763994186 --- /dev/null +++ b/gl/m4/getdelim.m4 @@ -0,0 +1,88 @@ +# getdelim.m4 serial 10 + +dnl Copyright (C) 2005-2007, 2009-2014 Free Software Foundation, Inc. +dnl +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_PREREQ([2.59]) + +AC_DEFUN([gl_FUNC_GETDELIM], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + + dnl Persuade glibc <stdio.h> to declare getdelim(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([getdelim]) + + AC_CHECK_FUNCS_ONCE([getdelim]) + if test $ac_cv_func_getdelim = yes; then + HAVE_GETDELIM=1 + dnl Found it in some library. Verify that it works. + AC_CACHE_CHECK([for working getdelim function], [gl_cv_func_working_getdelim], + [echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +# include <stdio.h> +# include <stdlib.h> +# include <string.h> + int main () + { + FILE *in = fopen ("./conftest.data", "r"); + if (!in) + return 1; + { + /* Test result for a NULL buffer and a zero size. + Based on a test program from Karl Heuer. */ + char *line = NULL; + size_t siz = 0; + int len = getdelim (&line, &siz, '\n', in); + if (!(len == 4 && line && strcmp (line, "foo\n") == 0)) + return 2; + } + { + /* Test result for a NULL buffer and a non-zero size. + This crashes on FreeBSD 8.0. */ + char *line = NULL; + size_t siz = (size_t)(~0) / 4; + if (getdelim (&line, &siz, '\n', in) == -1) + return 3; + } + return 0; + } + ]])], [gl_cv_func_working_getdelim=yes] dnl The library version works. + , [gl_cv_func_working_getdelim=no] dnl The library version does NOT work. + , dnl We're cross compiling. Assume it works on glibc2 systems. + [AC_EGREP_CPP([Lucky GNU user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ >= 2) && !defined __UCLIBC__ + Lucky GNU user + #endif +#endif + ], + [gl_cv_func_working_getdelim="guessing yes"], + [gl_cv_func_working_getdelim="guessing no"])] + )]) + case "$gl_cv_func_working_getdelim" in + *no) + REPLACE_GETDELIM=1 + ;; + esac + else + HAVE_GETDELIM=0 + fi + + if test $ac_cv_have_decl_getdelim = no; then + HAVE_DECL_GETDELIM=0 + fi +]) + +# Prerequisites of lib/getdelim.c. +AC_DEFUN([gl_PREREQ_GETDELIM], +[ + AC_CHECK_FUNCS([flockfile funlockfile]) + AC_CHECK_DECLS([getc_unlocked]) +]) diff --git a/gl/m4/getline.m4 b/gl/m4/getline.m4 new file mode 100644 index 0000000000..0330666bc7 --- /dev/null +++ b/gl/m4/getline.m4 @@ -0,0 +1,96 @@ +# getline.m4 serial 26 + +dnl Copyright (C) 1998-2003, 2005-2007, 2009-2014 Free Software Foundation, +dnl Inc. +dnl +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_PREREQ([2.59]) + +dnl See if there's a working, system-supplied version of the getline function. +dnl We can't just do AC_REPLACE_FUNCS([getline]) because some systems +dnl have a function by that name in -linet that doesn't have anything +dnl to do with the function we need. +AC_DEFUN([gl_FUNC_GETLINE], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + + dnl Persuade glibc <stdio.h> to declare getline(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([getline]) + + gl_getline_needs_run_time_check=no + AC_CHECK_FUNC([getline], + [dnl Found it in some library. Verify that it works. + gl_getline_needs_run_time_check=yes], + [am_cv_func_working_getline=no]) + if test $gl_getline_needs_run_time_check = yes; then + AC_CACHE_CHECK([for working getline function], [am_cv_func_working_getline], + [echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +# include <stdio.h> +# include <stdlib.h> +# include <string.h> + int main () + { + FILE *in = fopen ("./conftest.data", "r"); + if (!in) + return 1; + { + /* Test result for a NULL buffer and a zero size. + Based on a test program from Karl Heuer. */ + char *line = NULL; + size_t siz = 0; + int len = getline (&line, &siz, in); + if (!(len == 4 && line && strcmp (line, "foo\n") == 0)) + return 2; + } + { + /* Test result for a NULL buffer and a non-zero size. + This crashes on FreeBSD 8.0. */ + char *line = NULL; + size_t siz = (size_t)(~0) / 4; + if (getline (&line, &siz, in) == -1) + return 3; + } + return 0; + } + ]])], [am_cv_func_working_getline=yes] dnl The library version works. + , [am_cv_func_working_getline=no] dnl The library version does NOT work. + , dnl We're cross compiling. Assume it works on glibc2 systems. + [AC_EGREP_CPP([Lucky GNU user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ >= 2) && !defined __UCLIBC__ + Lucky GNU user + #endif +#endif + ], + [am_cv_func_working_getline="guessing yes"], + [am_cv_func_working_getline="guessing no"])] + )]) + fi + + if test $ac_cv_have_decl_getline = no; then + HAVE_DECL_GETLINE=0 + fi + + case "$am_cv_func_working_getline" in + *no) + dnl Set REPLACE_GETLINE always: Even if we have not found the broken + dnl getline function among $LIBS, it may exist in libinet and the + dnl executable may be linked with -linet. + REPLACE_GETLINE=1 + ;; + esac +]) + +# Prerequisites of lib/getline.c. +AC_DEFUN([gl_PREREQ_GETLINE], +[ + : +]) diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4 index b8047930e8..934e144724 100644 --- a/gl/m4/gnulib-cache.m4 +++ b/gl/m4/gnulib-cache.m4 @@ -27,7 +27,7 @@ # Specification in the form of a command-line invocation: -# gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=alignof-tests --avoid=lock-tests --avoid=lseek-tests --lgpl=2 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files alloca base64 byteswap c-ctype extensions func gendocs gettext gettimeofday hash-pjw-bare havelib iconv intprops lib-msvc-compat lib-symbol-versions maintainer-makefile manywarnings memmem-simple minmax netdb netinet_in pmccabe2html read-file snprintf stdint strcase strndup strtok_r strverscmp sys_socket sys_stat time_r u64 unistd valgrind-tests vasprintf vsnprintf warnings +# gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=alignof-tests --avoid=lock-tests --avoid=lseek-tests --lgpl=2 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files alloca base64 byteswap c-ctype extensions func gendocs getline gettext gettimeofday hash-pjw-bare havelib iconv intprops lib-msvc-compat lib-symbol-versions maintainer-makefile manywarnings memmem-simple minmax netdb netinet_in pmccabe2html read-file snprintf stdint strcase strndup strtok_r strverscmp sys_socket sys_stat time_r u64 unistd valgrind-tests vasprintf vsnprintf warnings # Specification in the form of a few gnulib-tool.m4 macro invocations: gl_LOCAL_DIR([gl/override]) @@ -39,6 +39,7 @@ gl_MODULES([ extensions func gendocs + getline gettext gettimeofday hash-pjw-bare diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4 index 64dc2b3eed..613c7dea6c 100644 --- a/gl/m4/gnulib-comp.m4 +++ b/gl/m4/gnulib-comp.m4 @@ -78,6 +78,10 @@ AC_DEFUN([gl_EARLY], # Code from module func-tests: # Code from module fwrite-tests: # Code from module gendocs: + # Code from module getdelim: + # Code from module getdelim-tests: + # Code from module getline: + # Code from module getline-tests: # Code from module getpagesize: # Code from module gettext: # Code from module gettext-h: @@ -234,6 +238,18 @@ AC_SUBST([LTALLOCA]) fi gl_STDIO_MODULE_INDICATOR([ftello]) gl_FUNC + gl_FUNC_GETDELIM + if test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1; then + AC_LIBOBJ([getdelim]) + gl_PREREQ_GETDELIM + fi + gl_STDIO_MODULE_INDICATOR([getdelim]) + gl_FUNC_GETLINE + if test $REPLACE_GETLINE = 1; then + AC_LIBOBJ([getline]) + gl_PREREQ_GETLINE + fi + gl_STDIO_MODULE_INDICATOR([getline]) dnl you must add AM_GNU_GETTEXT([external]) or similar to configure.ac. AM_GNU_GETTEXT_VERSION([0.18.1]) AC_SUBST([LIBINTL]) @@ -574,6 +590,8 @@ AC_DEFUN([gl_FILE_LIST], [ lib/fstat.c lib/ftell.c lib/ftello.c + lib/getdelim.c + lib/getline.c lib/gettext.h lib/gettimeofday.c lib/hash-pjw-bare.c @@ -657,6 +675,8 @@ AC_DEFUN([gl_FILE_LIST], [ m4/ftell.m4 m4/ftello.m4 m4/func.m4 + m4/getdelim.m4 + m4/getline.m4 m4/getpagesize.m4 m4/gettext.m4 m4/gettimeofday.m4 @@ -774,6 +794,8 @@ AC_DEFUN([gl_FILE_LIST], [ tests/test-ftello4.sh tests/test-func.c tests/test-fwrite.c + tests/test-getdelim.c + tests/test-getline.c tests/test-gettimeofday.c tests/test-iconv.c tests/test-init.sh diff --git a/gl/tests/Makefile.am b/gl/tests/Makefile.am index 3cbf0dc3e0..8cd3036885 100644 --- a/gl/tests/Makefile.am +++ b/gl/tests/Makefile.am @@ -257,6 +257,24 @@ EXTRA_DIST += test-fwrite.c signature.h macros.h ## end gnulib module fwrite-tests +## begin gnulib module getdelim-tests + +TESTS += test-getdelim +check_PROGRAMS += test-getdelim +MOSTLYCLEANFILES += test-getdelim.txt +EXTRA_DIST += test-getdelim.c signature.h macros.h + +## end gnulib module getdelim-tests + +## begin gnulib module getline-tests + +TESTS += test-getline +check_PROGRAMS += test-getline +MOSTLYCLEANFILES += test-getline.txt +EXTRA_DIST += test-getline.c signature.h macros.h + +## end gnulib module getline-tests + ## begin gnulib module getpagesize diff --git a/gl/tests/test-getdelim.c b/gl/tests/test-getdelim.c new file mode 100644 index 0000000000..76aba827db --- /dev/null +++ b/gl/tests/test-getdelim.c @@ -0,0 +1,94 @@ +/* Test of getdelim() function. + Copyright (C) 2007-2014 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Eric Blake <ebb9@byu.net>, 2007. */ + +#include <config.h> + +#include <stdio.h> + +#include "signature.h" +SIGNATURE_CHECK (getdelim, ssize_t, (char **, size_t *, int, FILE *)); + +#include <stdlib.h> +#include <string.h> + +#include "macros.h" + +int +main (void) +{ + FILE *f; + char *line; + size_t len; + ssize_t result; + + /* Create test file. */ + f = fopen ("test-getdelim.txt", "wb"); + if (!f || fwrite ("anAnbcnd\0f", 1, 10, f) != 10 || fclose (f) != 0) + { + fputs ("Failed to create sample file.\n", stderr); + remove ("test-getdelim.txt"); + return 1; + } + f = fopen ("test-getdelim.txt", "rb"); + if (!f) + { + fputs ("Failed to reopen sample file.\n", stderr); + remove ("test-getdelim.txt"); + return 1; + } + + /* Test initial allocation, which must include trailing NUL. */ + line = NULL; + len = 0; + result = getdelim (&line, &len, 'n', f); + ASSERT (result == 2); + ASSERT (strcmp (line, "an") == 0); + ASSERT (2 < len); + free (line); + + /* Test initial allocation again, with line = NULL and len != 0. */ + line = NULL; + len = (size_t)(~0) / 4; + result = getdelim (&line, &len, 'n', f); + ASSERT (result == 2); + ASSERT (strcmp (line, "An") == 0); + ASSERT (2 < len); + free (line); + + /* Test growth of buffer. */ + line = malloc (1); + len = 1; + result = getdelim (&line, &len, 'n', f); + ASSERT (result == 3); + ASSERT (strcmp (line, "bcn") == 0); + ASSERT (3 < len); + + /* Test embedded NULs and EOF behavior. */ + result = getdelim (&line, &len, 'n', f); + ASSERT (result == 3); + ASSERT (memcmp (line, "d\0f", 4) == 0); + ASSERT (3 < len); + + result = getdelim (&line, &len, 'n', f); + ASSERT (result == -1); + + free (line); + fclose (f); + remove ("test-getdelim.txt"); + return 0; +} diff --git a/gl/tests/test-getline.c b/gl/tests/test-getline.c new file mode 100644 index 0000000000..4dbc485e87 --- /dev/null +++ b/gl/tests/test-getline.c @@ -0,0 +1,94 @@ +/* Test of getline() function. + Copyright (C) 2007-2014 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Eric Blake <ebb9@byu.net>, 2007. */ + +#include <config.h> + +#include <stdio.h> + +#include "signature.h" +SIGNATURE_CHECK (getline, ssize_t, (char **, size_t *, FILE *)); + +#include <stdlib.h> +#include <string.h> + +#include "macros.h" + +int +main (void) +{ + FILE *f; + char *line; + size_t len; + ssize_t result; + + /* Create test file. */ + f = fopen ("test-getline.txt", "wb"); + if (!f || fwrite ("a\nA\nbc\nd\0f", 1, 10, f) != 10 || fclose (f) != 0) + { + fputs ("Failed to create sample file.\n", stderr); + remove ("test-getline.txt"); + return 1; + } + f = fopen ("test-getline.txt", "rb"); + if (!f) + { + fputs ("Failed to reopen sample file.\n", stderr); + remove ("test-getline.txt"); + return 1; + } + + /* Test initial allocation, which must include trailing NUL. */ + line = NULL; + len = 0; + result = getline (&line, &len, f); + ASSERT (result == 2); + ASSERT (strcmp (line, "a\n") == 0); + ASSERT (2 < len); + free (line); + + /* Test initial allocation again, with line = NULL and len != 0. */ + line = NULL; + len = (size_t)(~0) / 4; + result = getline (&line, &len, f); + ASSERT (result == 2); + ASSERT (strcmp (line, "A\n") == 0); + ASSERT (2 < len); + free (line); + + /* Test growth of buffer, must not leak. */ + line = malloc (1); + len = 0; + result = getline (&line, &len, f); + ASSERT (result == 3); + ASSERT (strcmp (line, "bc\n") == 0); + ASSERT (3 < len); + + /* Test embedded NULs and EOF behavior. */ + result = getline (&line, &len, f); + ASSERT (result == 3); + ASSERT (memcmp (line, "d\0f", 4) == 0); + ASSERT (3 < len); + + result = getline (&line, &len, f); + ASSERT (result == -1); + + free (line); + fclose (f); + remove ("test-getline.txt"); + return 0; +} |