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New upstream version 2.3.4

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This commit is contained in:
Jan Wagner 2023-10-18 07:29:37 +00:00
parent e7bdd1c6c6
commit de72f6f588
556 changed files with 90432 additions and 53391 deletions
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61
gl/m4/strcasestr.m4
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@ -1,5 +1,5 @@
# strcasestr.m4 serial 21
dnl Copyright (C) 2005, 2007-2013 Free Software Foundation, Inc.
# strcasestr.m4 serial 28
dnl Copyright (C) 2005, 2007-2023 Free Software Foundation, Inc.
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.
@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
dnl Check that strcasestr is present and works.
AC_DEFUN([gl_FUNC_STRCASESTR_SIMPLE],
[
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
AC_REQUIRE([gl_STRING_H_DEFAULTS])
dnl Persuade glibc <string.h> to declare strcasestr().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
@ -17,28 +17,38 @@ AC_DEFUN([gl_FUNC_STRCASESTR_SIMPLE],
if test $ac_cv_func_strcasestr = no; then
HAVE_STRCASESTR=0
else
if test "$gl_cv_func_memchr_works" != yes; then
if test $REPLACE_MEMCHR = 1; then
REPLACE_STRCASESTR=1
else
dnl Detect http://sourceware.org/bugzilla/show_bug.cgi?id=12092.
dnl Detect https://sourceware.org/bugzilla/show_bug.cgi?id=12092
dnl and https://sourceware.org/bugzilla/show_bug.cgi?id=23637.
AC_CACHE_CHECK([whether strcasestr works],
[gl_cv_func_strcasestr_works_always],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <string.h> /* for strcasestr */
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <string.h> /* for __GNU_LIBRARY__, strcasestr */
#ifdef __GNU_LIBRARY__
#include <features.h>
#if __GLIBC__ == 2 && __GLIBC_MINOR__ == 28
Unlucky user
#endif
#endif
#define P "_EF_BF_BD"
#define HAYSTACK "F_BD_CE_BD" P P P P "_C3_88_20" P P P "_C3_A7_20" P
#define NEEDLE P P P P P
]], [[return !!strcasestr (HAYSTACK, NEEDLE);
]])],
[gl_cv_func_strcasestr_works_always=yes],
[gl_cv_func_strcasestr_works_always=no],
[dnl glibc 2.12 and cygwin 1.7.7 have a known bug. uClibc is not
dnl affected, since it uses different source code for strcasestr
dnl than glibc.
dnl Assume that it works on all other platforms, even if it is not
dnl linear.
AC_EGREP_CPP([Lucky user],
[
]],
[[return !!strcasestr (HAYSTACK, NEEDLE);
]])],
[gl_cv_func_strcasestr_works_always=yes],
[gl_cv_func_strcasestr_works_always=no],
[dnl glibc 2.12 and cygwin 1.7.7 have a known bug. uClibc is not
dnl affected, since it uses different source code for strcasestr
dnl than glibc.
dnl Assume that it works on all other platforms, even if it is not
dnl linear.
AC_EGREP_CPP([Lucky user],
[
#include <string.h> /* for __GNU_LIBRARY__ */
#ifdef __GNU_LIBRARY__
#include <features.h>
#if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \
@ -53,10 +63,10 @@ AC_DEFUN([gl_FUNC_STRCASESTR_SIMPLE],
#else
Lucky user
#endif
],
[gl_cv_func_strcasestr_works_always="guessing yes"],
[gl_cv_func_strcasestr_works_always="guessing no"])
])
],
[gl_cv_func_strcasestr_works_always="guessing yes"],
[gl_cv_func_strcasestr_works_always="$gl_cross_guess_normal"])
])
])
case "$gl_cv_func_strcasestr_works_always" in
*yes) ;;
@ -80,7 +90,7 @@ AC_DEFUN([gl_FUNC_STRCASESTR],
#include <string.h> /* for strcasestr */
#include <stdlib.h> /* for malloc */
#include <unistd.h> /* for alarm */
static void quit (int sig) { exit (sig + 128); }
static void quit (int sig) { _exit (sig + 128); }
]], [[
int result = 0;
size_t m = 1000000;
@ -102,6 +112,9 @@ static void quit (int sig) { exit (sig + 128); }
if (!strcasestr (haystack, needle))
result |= 1;
}
/* Free allocated memory, in case some sanitizer is watching. */
free (haystack);
free (needle);
return result;
]])],
[gl_cv_func_strcasestr_linear=yes], [gl_cv_func_strcasestr_linear=no],
@ -124,7 +137,7 @@ static void quit (int sig) { exit (sig + 128); }
#endif
],
[gl_cv_func_strcasestr_linear="guessing yes"],
[gl_cv_func_strcasestr_linear="guessing no"])
[gl_cv_func_strcasestr_linear="$gl_cross_guess_normal"])
])
])
case "$gl_cv_func_strcasestr_linear" in