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-rw-r--r--gl/m4/strndup.m455
1 files changed, 0 insertions, 55 deletions
diff --git a/gl/m4/strndup.m4 b/gl/m4/strndup.m4
deleted file mode 100644
index a1f82743..00000000
--- a/gl/m4/strndup.m4
+++ /dev/null
@@ -1,55 +0,0 @@
1# strndup.m4 serial 21
2dnl Copyright (C) 2002-2003, 2005-2013 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_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 HAVE_STRNDUP=1
22 # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
23 AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup_works],
24 [AC_RUN_IFELSE([
25 AC_LANG_PROGRAM([[#include <string.h>
26 #include <stdlib.h>]], [[
27#if !HAVE_DECL_STRNDUP
28 extern
29 #ifdef __cplusplus
30 "C"
31 #endif
32 char *strndup (const char *, size_t);
33#endif
34 char *s;
35 s = strndup ("some longer string", 15);
36 free (s);
37 s = strndup ("shorter string", 13);
38 return s[13] != '\0';]])],
39 [gl_cv_func_strndup_works=yes],
40 [gl_cv_func_strndup_works=no],
41 [
42changequote(,)dnl
43 case $host_os in
44 aix | aix[3-6]*) gl_cv_func_strndup_works="guessing no";;
45 *) gl_cv_func_strndup_works="guessing yes";;
46 esac
47changequote([,])dnl
48 ])])
49 case $gl_cv_func_strndup_works in
50 *no) REPLACE_STRNDUP=1 ;;
51 esac
52 else
53 HAVE_STRNDUP=0
54 fi
55])