strerror_l.c revision 1.1 
1/*	$OpenBSD: strerror_l.c,v 1.1 2017/09/05 03:16:13 schwarze Exp $ */
2/*
3 * Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <limits.h>
19#include <string.h>
20
21#include "thread_private.h"
22
23char *
24strerror_l(int errnum, locale_t locale)
25{
26	static char sel_buf[NL_TEXTMAX];
27	_THREAD_PRIVATE_KEY(strerror_l);
28	char *p = _THREAD_PRIVATE(strerror_l, sel_buf, NULL);
29
30	return p == NULL ? "no buffer available in strerror_l" :
31	    strerror_r(errnum, p, sizeof(sel_buf)) ?
32	    "strerror_r failure" : p;
33}
34