/*	$OpenBSD: strerror_l.c,v 1.1 2017/09/05 03:16:13 schwarze Exp $ */
/*
 * Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <limits.h>
#include <string.h>

#include "thread_private.h"

char *
strerror_l(int errnum, locale_t locale)
{
	static char sel_buf[NL_TEXTMAX];
	_THREAD_PRIVATE_KEY(strerror_l);
	char *p = _THREAD_PRIVATE(strerror_l, sel_buf, NULL);

	return p == NULL ? "no buffer available in strerror_l" :
	    strerror_r(errnum, p, sizeof(sel_buf)) ?
	    "strerror_r failure" : p;
}