diff options
Diffstat (limited to 'm4/strndup.m4')
-rw-r--r-- | m4/strndup.m4 | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/m4/strndup.m4 b/m4/strndup.m4 deleted file mode 100644 index 55df0399..00000000 --- a/m4/strndup.m4 +++ /dev/null @@ -1,55 +0,0 @@ -# strndup.m4 serial 21 -dnl Copyright (C) 2002-2003, 2005-2014 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. - -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 - - if test $ac_cv_func_strndup = yes; then - HAVE_STRNDUP=1 - # 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>]], [[ -#if !HAVE_DECL_STRNDUP - extern - #ifdef __cplusplus - "C" - #endif - char *strndup (const char *, size_t); -#endif - char *s; - s = strndup ("some longer string", 15); - free (s); - s = strndup ("shorter string", 13); - return s[13] != '\0';]])], - [gl_cv_func_strndup_works=yes], - [gl_cv_func_strndup_works=no], - [ -changequote(,)dnl - case $host_os in - aix | aix[3-6]*) gl_cv_func_strndup_works="guessing no";; - *) gl_cv_func_strndup_works="guessing yes";; - esac -changequote([,])dnl - ])]) - case $gl_cv_func_strndup_works in - *no) REPLACE_STRNDUP=1 ;; - esac - else - HAVE_STRNDUP=0 - fi -]) |