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- # strnlen.m4 serial 12
- dnl Copyright (C) 2002-2003, 2005-2007, 2009-2010 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
- AC_FUNC_STRNLEN
- dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
- if test $ac_cv_func_strnlen_working = no; then
- REPLACE_STRNLEN=1
- fi
- fi
- if test $HAVE_DECL_STRNLEN = 0 || test $REPLACE_STRNLEN = 1; then
- AC_LIBOBJ([strnlen])
- gl_PREREQ_STRNLEN
- fi
- ])
- # Prerequisites of lib/strnlen.c.
- AC_DEFUN([gl_PREREQ_STRNLEN], [:])
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