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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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67
gl/m4/strstr.m4
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@ -1,5 +1,5 @@
# strstr.m4 serial 16
dnl Copyright (C) 2008-2013 Free Software Foundation, Inc.
# strstr.m4 serial 24
dnl Copyright (C) 2008-2023 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.
@ -7,30 +7,40 @@ dnl with or without modifications, as long as this notice is preserved.
dnl Check that strstr works.
AC_DEFUN([gl_FUNC_STRSTR_SIMPLE],
[
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
AC_REQUIRE([gl_STRING_H_DEFAULTS])
AC_REQUIRE([gl_FUNC_MEMCHR])
if test "$gl_cv_func_memchr_works" != yes; then
if test $REPLACE_MEMCHR = 1; then
REPLACE_STRSTR=1
else
dnl Detect http://sourceware.org/bugzilla/show_bug.cgi?id=12092.
dnl Detect https://sourceware.org/bugzilla/show_bug.cgi?id=12092
dnl and https://sourceware.org/bugzilla/show_bug.cgi?id=23637.
AC_CACHE_CHECK([whether strstr works],
[gl_cv_func_strstr_works_always],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <string.h> /* for strstr */
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <string.h> /* for __GNU_LIBRARY__, strstr */
#ifdef __GNU_LIBRARY__
#include <features.h>
#if __GLIBC__ == 2 && __GLIBC_MINOR__ == 28
Unlucky user
#endif
#endif
#define P "_EF_BF_BD"
#define HAYSTACK "F_BD_CE_BD" P P P P "_C3_88_20" P P P "_C3_A7_20" P
#define NEEDLE P P P P P
]], [[return !!strstr (HAYSTACK, NEEDLE);
]])],
[gl_cv_func_strstr_works_always=yes],
[gl_cv_func_strstr_works_always=no],
[dnl glibc 2.12 and cygwin 1.7.7 have a known bug. uClibc is not
dnl affected, since it uses different source code for strstr than
dnl glibc.
dnl Assume that it works on all other platforms, even if it is not
dnl linear.
AC_EGREP_CPP([Lucky user],
[
]],
[[return !!strstr (HAYSTACK, NEEDLE);
]])],
[gl_cv_func_strstr_works_always=yes],
[gl_cv_func_strstr_works_always=no],
[dnl glibc 2.12 and cygwin 1.7.7 have a known bug. uClibc is not
dnl affected, since it uses different source code for strstr than
dnl glibc.
dnl Assume that it works on all other platforms, even if it is not
dnl linear.
AC_EGREP_CPP([Lucky user],
[
#include <string.h> /* for __GNU_LIBRARY__ */
#ifdef __GNU_LIBRARY__
#include <features.h>
#if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \
@ -45,10 +55,10 @@ AC_DEFUN([gl_FUNC_STRSTR_SIMPLE],
#else
Lucky user
#endif
],
[gl_cv_func_strstr_works_always="guessing yes"],
[gl_cv_func_strstr_works_always="guessing no"])
])
],
[gl_cv_func_strstr_works_always="guessing yes"],
[gl_cv_func_strstr_works_always="$gl_cross_guess_normal"])
])
])
case "$gl_cv_func_strstr_works_always" in
*yes) ;;
@ -67,11 +77,17 @@ AC_DEFUN([gl_FUNC_STRSTR],
AC_CACHE_CHECK([whether strstr works in linear time],
[gl_cv_func_strstr_linear],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#ifdef __MVS__
/* z/OS does not deliver signals while strstr() is running (thanks to
restrictions on its LE runtime), which prevents us from limiting the
running time of this test. */
# error "This test does not work properly on z/OS"
#endif
#include <signal.h> /* for signal */
#include <string.h> /* for strstr */
#include <stdlib.h> /* for malloc */
#include <unistd.h> /* for alarm */
static void quit (int sig) { exit (sig + 128); }
static void quit (int sig) { _exit (sig + 128); }
]], [[
int result = 0;
size_t m = 1000000;
@ -93,6 +109,9 @@ static void quit (int sig) { exit (sig + 128); }
if (!strstr (haystack, needle))
result |= 1;
}
/* Free allocated memory, in case some sanitizer is watching. */
free (haystack);
free (needle);
return result;
]])],
[gl_cv_func_strstr_linear=yes], [gl_cv_func_strstr_linear=no],
@ -117,7 +136,7 @@ static void quit (int sig) { exit (sig + 128); }
#endif
],
[gl_cv_func_strstr_linear="guessing yes"],
[gl_cv_func_strstr_linear="guessing no"])
[gl_cv_func_strstr_linear="$gl_cross_guess_normal"])
])
])
case "$gl_cv_func_strstr_linear" in