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Imported Upstream version 1.4.12

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This commit is contained in:
Jan Wagner 2013-11-26 23:55:28 +01:00
parent 1d1585cd09
commit 4ab9f0d24c
291 changed files with 27277 additions and 11364 deletions
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80
gl/m4/regex.m4
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@ -1,4 +1,4 @@
#serial 42
#serial 48
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
# 2006, 2007 Free Software Foundation, Inc.
@ -18,9 +18,12 @@ AC_DEFUN([gl_REGEX],
AC_ARG_WITH([included-regex],
[AC_HELP_STRING([--without-included-regex],
[don't compile regex; this is the default on
[don't compile regex; this is the default on 32-bit
systems with recent-enough versions of the GNU C
Library (use with caution on other systems)])])
Library (use with caution on other systems).
On systems with 64-bit ptrdiff_t and 32-bit int,
--with-included-regex is the default, in case
regex functions operate on very long strings (>2GB)])])
case $with_included_regex in #(
yes|no) ac_use_included_regex=$with_included_regex
@ -29,8 +32,7 @@ AC_DEFUN([gl_REGEX],
# If the system regex support is good enough that it passes the
# following run test, then default to *not* using the included regex.c.
# If cross compiling, assume the test would fail and use the included
# regex.c. The first failing regular expression is from `Spencer ere
# test #75' in grep-2.3.
# regex.c.
AC_CACHE_CHECK([for working re_compile_pattern],
[gl_cv_func_re_compile_pattern_working],
[AC_RUN_IFELSE(
@ -74,68 +76,91 @@ AC_DEFUN([gl_REGEX],
}
#endif
/* This test is from glibc bug 3957, reported by Andrew Mackey. */
re_set_syntax (RE_SYNTAX_EGREP | RE_HAT_LISTS_NOT_NEWLINE);
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("a[^x]b", 6, &regex);
if (s)
return 1;
/* This should fail, but succeeds for glibc-2.5. */
if (re_search (&regex, "a\nb", 3, 0, 3, &regs) != -1)
return 1;
/* This regular expression is from Spencer ere test number 75
in grep-2.3. */
re_set_syntax (RE_SYNTAX_POSIX_EGREP);
memset (&regex, 0, sizeof (regex));
memset (&regex, 0, sizeof regex);
for (i = 0; i <= UCHAR_MAX; i++)
folded_chars[i] = i;
regex.translate = folded_chars;
s = re_compile_pattern ("a[[:@:>@:]]b\n", 11, &regex);
/* This should fail with _Invalid character class name_ error. */
if (!s)
exit (1);
return 1;
/* This should succeed, but does not for e.g. glibc-2.1.3. */
memset (&regex, 0, sizeof (regex));
/* This should succeed, but does not for glibc-2.1.3. */
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("{1", 2, &regex);
if (s)
exit (1);
return 1;
/* The following example is derived from a problem report
against gawk from Jorge Stolfi <stolfi@ic.unicamp.br>. */
memset (&regex, 0, sizeof (regex));
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("[an\371]*n", 7, &regex);
if (s)
exit (1);
return 1;
/* This should match, but does not for e.g. glibc-2.2.1. */
/* This should match, but does not for glibc-2.2.1. */
if (re_match (&regex, "an", 2, 0, &regs) != 2)
exit (1);
return 1;
memset (&regex, 0, sizeof (regex));
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("x", 1, &regex);
if (s)
exit (1);
return 1;
/* The version of regex.c in e.g. GNU libc-2.2.93 did not
work with a negative RANGE argument. */
/* glibc-2.2.93 does not work with a negative RANGE argument. */
if (re_search (&regex, "wxy", 3, 2, -2, &regs) != 1)
exit (1);
return 1;
/* The version of regex.c in older versions of gnulib
ignored RE_ICASE. Detect that problem too. */
memset (&regex, 0, sizeof (regex));
re_set_syntax (RE_SYNTAX_EMACS | RE_ICASE);
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("x", 1, &regex);
if (s)
exit (1);
return 1;
if (re_search (&regex, "WXY", 3, 0, 3, &regs) < 0)
exit (1);
return 1;
/* Catch a bug reported by Vin Shelton in
http://lists.gnu.org/archive/html/bug-coreutils/2007-06/msg00089.html
*/
re_set_syntax (RE_SYNTAX_POSIX_BASIC
& ~RE_CONTEXT_INVALID_DUP
& ~RE_NO_EMPTY_RANGES);
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("[[:alnum:]_-]\\\\+$", 16, &regex);
if (s)
return 1;
/* REG_STARTEND was added to glibc on 2004-01-15.
Reject older versions. */
if (! REG_STARTEND)
exit (1);
return 1;
/* Reject hosts whose regoff_t values are too narrow.
These include glibc 2.3.5 on hosts with 64-bit ptrdiff_t
and 32-bit int. */
if (sizeof (regoff_t) < sizeof (ptrdiff_t)
|| sizeof (regoff_t) < sizeof (ssize_t))
exit (1);
return 1;
exit (0);]])],
return 0;]])],
[gl_cv_func_re_compile_pattern_working=yes],
[gl_cv_func_re_compile_pattern_working=no],
dnl When crosscompiling, assume it is not working.
@ -190,9 +215,8 @@ AC_DEFUN([gl_REGEX],
# Prerequisites of lib/regex.c and lib/regex_internal.c.
AC_DEFUN([gl_PREREQ_REGEX],
[
AC_REQUIRE([AC_GNU_SOURCE])
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([AC_C_RESTRICT])
AC_REQUIRE([AM_LANGINFO_CODESET])
AC_CHECK_FUNCS_ONCE([iswctype mbrtowc mempcpy wcrtomb wcscoll])
AC_CHECK_FUNCS_ONCE([isblank iswctype mbrtowc wcrtomb wcscoll])
AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>])
])