diff options
Diffstat (limited to 'gl/m4/strndup.m4')
| -rw-r--r-- | gl/m4/strndup.m4 | 55 |
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 | ||
| 2 | dnl Copyright (C) 2002-2003, 2005-2013 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 | 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 | [ | ||
| 42 | changequote(,)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 | ||
| 47 | changequote([,])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 | ]) | ||
