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comparison m4/strndup.m4 @ 398:7987ee447833 3.0-beta1

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Added generated files for release
author lost@l-w.ca
date Fri, 23 Jul 2010 17:18:52 -0600
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397:09fe7c40a082 398:7987ee447833
1 # strndup.m4 serial 17
2 dnl Copyright (C) 2002-2003, 2005-2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 AC_DEFUN([gl_FUNC_STRNDUP],
8 [
9 dnl Persuade glibc <string.h> to declare strndup().
10 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
11
12 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
13 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
14 AC_CHECK_DECLS_ONCE([strndup])
15 AC_CHECK_FUNCS_ONCE([strndup])
16 if test $ac_cv_have_decl_strndup = no; then
17 HAVE_DECL_STRNDUP=0
18 fi
19
20 if test $ac_cv_func_strndup = yes; then
21 # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
22 AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup_works],
23 [AC_RUN_IFELSE([
24 AC_LANG_PROGRAM([[#include <string.h>
25 #include <stdlib.h>]], [[
26 #ifndef HAVE_DECL_STRNDUP
27 extern char *strndup (const char *, size_t);
28 #endif
29 char *s;
30 s = strndup ("some longer string", 15);
31 free (s);
32 s = strndup ("shorter string", 13);
33 return s[13] != '\0';]])],
34 [gl_cv_func_strndup_works=yes],
35 [gl_cv_func_strndup_works=no],
36 [case $host_os in
37 aix*) gl_cv_func_strndup_works="guessing no";;
38 *) gl_cv_func_strndup_works="guessing yes";;
39 esac])])
40 case $gl_cv_func_strndup_works in
41 *no)
42 REPLACE_STRNDUP=1
43 AC_LIBOBJ([strndup])
44 ;;
45 esac
46 else
47 AC_LIBOBJ([strndup])
48 fi
49 ])