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# strnlen.m4 serial 13
dnl Copyright (C) 2002-2003, 2005-2007, 2009-2020 Free Software Foundation,
dnl 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],
[
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
dnl Persuade glibc <string.h> to declare strnlen().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_CHECK_DECLS_ONCE([strnlen])
if test $ac_cv_have_decl_strnlen = no; then
HAVE_DECL_STRNLEN=0
else
m4_pushdef([AC_LIBOBJ], [:])
dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
AC_FUNC_STRNLEN
m4_popdef([AC_LIBOBJ])
if test $ac_cv_func_strnlen_working = no; then
REPLACE_STRNLEN=1
fi
fi
])
# Prerequisites of lib/strnlen.c.
AC_DEFUN([gl_PREREQ_STRNLEN], [:])
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