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Imported Upstream version 1.4.15

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This commit is contained in:
Jan Wagner 2013-11-26 23:57:29 +01:00
parent 882cdeecca
commit 047baae1ca
386 changed files with 60019 additions and 38317 deletions
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48
gl/m4/strndup.m4
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@ -1,5 +1,5 @@
# strndup.m4 serial 16
dnl Copyright (C) 2002-2003, 2005-2009 Free Software Foundation, Inc.
# strndup.m4 serial 17
dnl Copyright (C) 2002-2003, 2005-2010 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.
@ -9,17 +9,20 @@ AC_DEFUN([gl_FUNC_STRNDUP],
dnl Persuade glibc <string.h> to declare strndup().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
AC_CHECK_DECLS_ONCE([strndup])
AC_CHECK_FUNCS_ONCE([strndup])
if test $ac_cv_have_decl_strndup = no; then
HAVE_DECL_STRNDUP=0
fi
# AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup],
[AC_RUN_IFELSE([
AC_LANG_PROGRAM([[#include <string.h>
#include <stdlib.h>]], [[
if test $ac_cv_func_strndup = yes; then
# AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup_works],
[AC_RUN_IFELSE([
AC_LANG_PROGRAM([[#include <string.h>
#include <stdlib.h>]], [[
#ifndef HAVE_DECL_STRNDUP
extern char *strndup (const char *, size_t);
#endif
@ -28,26 +31,19 @@ AC_DEFUN([gl_FUNC_STRNDUP],
free (s);
s = strndup ("shorter string", 13);
return s[13] != '\0';]])],
[gl_cv_func_strndup=yes],
[gl_cv_func_strndup=no],
[AC_CHECK_FUNC([strndup],
[AC_EGREP_CPP([too risky], [
#ifdef _AIX
too risky
#endif
],
[gl_cv_func_strndup=no],
[gl_cv_func_strndup=yes])],
[gl_cv_func_strndup=no])])])
if test $gl_cv_func_strndup = yes; then
AC_DEFINE([HAVE_STRNDUP], [1],
[Define if you have the strndup() function and it works.])
[gl_cv_func_strndup_works=yes],
[gl_cv_func_strndup_works=no],
[case $host_os in
aix*) gl_cv_func_strndup_works="guessing no";;
*) gl_cv_func_strndup_works="guessing yes";;
esac])])
case $gl_cv_func_strndup_works in
*no)
REPLACE_STRNDUP=1
AC_LIBOBJ([strndup])
;;
esac
else
HAVE_STRNDUP=0
AC_LIBOBJ([strndup])
gl_PREREQ_STRNDUP
fi
])
# Prerequisites of lib/strndup.c.
AC_DEFUN([gl_PREREQ_STRNDUP], [:])