2 dnl Copyright (C) 2002-2003, 2005-2007, 2009-2010 Free Software Foundation,
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 AC_DEFUN([gl_FUNC_STRNLEN],
10 dnl Persuade glibc <string.h> to declare strnlen().
11 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
13 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
14 AC_CHECK_DECLS_ONCE([strnlen])
15 if test $ac_cv_have_decl_strnlen = no; then
20 if test $ac_cv_func_strnlen_working = no; then
21 # This is necessary because automake-1.6.1 doesn't understand
22 # that the above use of AC_FUNC_STRNLEN means we may have to use
25 AC_DEFINE([strnlen], [rpl_strnlen],
26 [Define to rpl_strnlen if the replacement function should be used.])
31 # Prerequisites of lib/strnlen.c.
32 AC_DEFUN([gl_PREREQ_STRNLEN], [:])