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authorTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 (GMT)
committerTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 (GMT)
commitfe856aa957978504137c1d425815d4ed8a22be40 (patch)
treea5bb46ce0e64b2056f75700eadbf27aba7c39418 /gl/m4/strndup.m4
parent210f39bc84cfbb21cd72dc054e43f13815ee0616 (diff)
downloadmonitoring-plugins-fe856aa957978504137c1d425815d4ed8a22be40.tar.gz
Sync with gnulib - lots of extraneous code removed in preference to GNU code
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'gl/m4/strndup.m4')
-rw-r--r--gl/m4/strndup.m448
1 files changed, 48 insertions, 0 deletions
diff --git a/gl/m4/strndup.m4 b/gl/m4/strndup.m4
new file mode 100644
index 0000000..dd5780b
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+++ b/gl/m4/strndup.m4
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1# strndup.m4 serial 11
2dnl Copyright (C) 2002-2003, 2005-2006 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_STRNDUP],
8[
9 dnl Persuade glibc <string.h> to declare strndup().
10 AC_REQUIRE([AC_GNU_SOURCE])
11
12 AC_CHECK_DECLS_ONCE([strndup])
13
14 # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
15 AC_CACHE_CHECK([for working strndup], gl_cv_func_strndup,
16 [AC_RUN_IFELSE([
17 AC_LANG_PROGRAM([#include <string.h>
18 #include <stdlib.h>], [[
19#ifndef HAVE_DECL_STRNDUP
20 extern char *strndup (const char *, size_t);
21#endif
22 char *s;
23 s = strndup ("some longer string", 15);
24 free (s);
25 s = strndup ("shorter string", 13);
26 return s[13] != '\0';]])],
27 [gl_cv_func_strndup=yes],
28 [gl_cv_func_strndup=no],
29 [AC_CHECK_FUNC([strndup],
30 [AC_EGREP_CPP([too risky], [
31#ifdef _AIX
32 too risky
33#endif
34 ],
35 [gl_cv_func_strndup=no],
36 [gl_cv_func_strndup=yes])],
37 [gl_cv_func_strndup=no])])])
38 if test $gl_cv_func_strndup = yes; then
39 AC_DEFINE([HAVE_STRNDUP], 1,
40 [Define if you have the strndup() function and it works.])
41 else
42 AC_LIBOBJ([strndup])
43 gl_PREREQ_STRNDUP
44 fi
45])
46
47# Prerequisites of lib/strndup.c.
48AC_DEFUN([gl_PREREQ_STRNDUP], [:])