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 (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 #include "lint.h"
33 #include "_libc_gettext.h"
34 #include <string.h>
35 #include <sys/types.h>
36 #include <errno.h>
37
38 extern const char _sys_errs[];
39 extern const int _sys_index[];
40 extern int _sys_num_err;
41
42 char *
strerror(int errnum)43 strerror(int errnum)
44 {
45 if (errnum < _sys_num_err && errnum >= 0)
46 return (_libc_gettext((char *)&_sys_errs[_sys_index[errnum]]));
47
48 errno = EINVAL;
49 return (_libc_gettext("Unknown error"));
50 }
51
52 /*
53 * Implemented strerror_r in Solaris 10 to comply with SUSv3 2001.
54 */
55 int
strerror_r(int errnum,char * strerrbuf,size_t buflen)56 strerror_r(int errnum, char *strerrbuf, size_t buflen)
57 {
58 char *buf;
59 int ret = 0;
60
61 if (errnum < _sys_num_err && errnum >= 0) {
62 buf = _libc_gettext((char *)&_sys_errs[_sys_index[errnum]]);
63 } else {
64 buf = _libc_gettext("Unknown error");
65 ret = errno = EINVAL;
66 }
67
68 /*
69 * At compile time, there is no way to determine the max size of
70 * language-dependent error message.
71 */
72 if (buflen < (strlen(buf) + 1)) {
73 ret = errno = ERANGE;
74 } else {
75 (void) strcpy(strerrbuf, buf);
76 }
77
78 return (ret);
79 }
80