1 /* $NetBSD: strerror.c,v 1.1.1.3 2015/01/17 16:34:18 christos Exp $ */
2
3 /*
4 * Copyright (c) 2002-2014 Ion Badulescu
5 * Copyright (c) 1997-2014 Erez Zadok
6 * Copyright (c) 1990 Jan-Simon Pendry
7 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
8 * Copyright (c) 1990 The Regents of the University of California.
9 * All rights reserved.
10 *
11 * This code is derived from software contributed to Berkeley by
12 * Jan-Simon Pendry at Imperial College, London.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *
39 * File: am-utils/libamu/strerror.c
40 *
41 */
42
43 #ifdef HAVE_CONFIG_H
44 # include <config.h>
45 #endif /* HAVE_CONFIG_H */
46 #include <am_defs.h>
47 #include <amu.h>
48
49
50 /*
51 * Convert errno to a string
52 */
53 char *
strerror(int errnum)54 strerror(int errnum)
55 {
56 #ifdef HAVE_EXTERN_SYS_ERRLIST
57 if (errnum < 0 || errnum >= (sizeof(sys_errlist) >> 2)) {
58 static char errstr[30];
59 xsnprintf(errstr, sizeof(errstr), "Unknown error #%d", errnum);
60 return errstr;
61 }
62 return sys_errlist[error];
63 #else /* not HAVE_EXTERN_SYS_ERRLIST */
64 return "unknown (strerror not available)";
65 #endif /* not HAVE_EXTERN_SYS_ERRLIST */
66 }
67