1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26/*
27 * Copyright 2015 Joyent, Inc.
28 */
29
30/*	Copyright (c) 1988 AT&T	*/
31/*	  All Rights Reserved  	*/
32
33#include "lint.h"
34#include "_libc_gettext.h"
35#include <string.h>
36#include <sys/types.h>
37#include <errno.h>
38
39extern const char _sys_errs[];
40extern const int _sys_index[];
41extern int _sys_num_err;
42
43char *
44strerror_l(int errnum, locale_t loc)
45{
46	if (errnum < _sys_num_err && errnum >= 0)
47		return (_libc_gettext_l(&_sys_errs[_sys_index[errnum]],
48		    loc));
49
50	errno = EINVAL;
51	return (_libc_gettext_l("Unknown error", loc));
52}
53
54char *
55strerror(int errnum)
56{
57	return (strerror_l(errnum, uselocale(NULL)));
58}
59
60/*
61 * Implemented strerror_r in Solaris 10 to comply with SUSv3 2001.
62 */
63int
64strerror_r(int errnum, char *strerrbuf, size_t buflen)
65{
66	char *buf;
67	int ret = 0;
68
69	if (errnum < _sys_num_err && errnum >= 0) {
70		buf = _libc_gettext((char *)&_sys_errs[_sys_index[errnum]]);
71	} else {
72		buf = _libc_gettext("Unknown error");
73		ret = errno = EINVAL;
74	}
75
76	/*
77	 * At compile time, there is no way to determine the max size of
78	 * language-dependent error message.
79	 */
80	if (buflen < (strlen(buf) + 1)) {
81		ret = errno = ERANGE;
82	} else {
83		(void) strcpy(strerrbuf, buf);
84	}
85
86	return (ret);
87}
88