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
39 extern const char _sys_errs[];
40 extern const int _sys_index[];
41 extern int _sys_num_err;
42
43 char *
strerror_l(int errnum,locale_t loc)44 strerror_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
54 char *
strerror(int errnum)55 strerror(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 */
63 int
strerror_r(int errnum,char * strerrbuf,size_t buflen)64 strerror_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