| # strnlen.m4 serial 10 |
| dnl Copyright (C) 2002-2003, 2005-2007, 2009 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_STRNLEN], |
| [ |
| dnl Persuade glibc <string.h> to declare strnlen(). |
| AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) |
| |
| AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) |
| AC_CHECK_DECLS_ONCE([strnlen]) |
| if test $ac_cv_have_decl_strnlen = no; then |
| HAVE_DECL_STRNLEN=0 |
| fi |
| |
| AC_FUNC_STRNLEN |
| if test $ac_cv_func_strnlen_working = no; then |
| # This is necessary because automake-1.6.1 doesn't understand |
| # that the above use of AC_FUNC_STRNLEN means we may have to use |
| # lib/strnlen.c. |
| #AC_LIBOBJ([strnlen]) |
| AC_DEFINE([strnlen], [rpl_strnlen], |
| [Define to rpl_strnlen if the replacement function should be used.]) |
| gl_PREREQ_STRNLEN |
| fi |
| ]) |
| |
| # Prerequisites of lib/strnlen.c. |
| AC_DEFUN([gl_PREREQ_STRNLEN], [:]) |
