1/*	$NetBSD: strerror.c,v 1.1.1.2 2009/03/20 20:26:56 christos Exp $	*/
2
3/*
4 * Copyright (c) 2002-2009 Ion Badulescu
5 * Copyright (c) 1997-2009 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. All advertising materials mentioning features or use of this software
23 *    must display the following acknowledgment:
24 *      This product includes software developed by the University of
25 *      California, Berkeley and its contributors.
26 * 4. Neither the name of the University nor the names of its contributors
27 *    may be used to endorse or promote products derived from this software
28 *    without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 *
43 * File: am-utils/libamu/strerror.c
44 *
45 */
46
47#ifdef HAVE_CONFIG_H
48# include <config.h>
49#endif /* HAVE_CONFIG_H */
50#include <am_defs.h>
51#include <amu.h>
52
53
54/*
55 * Convert errno to a string
56 */
57char *
58strerror(int errnum)
59{
60#ifdef HAVE_EXTERN_SYS_ERRLIST
61  if (errnum < 0 || errnum >= (sizeof(sys_errlist) >> 2)) {
62    static char errstr[30];
63    xsnprintf(errstr, sizeof(errstr), "Unknown error #%d", errnum);
64    return errstr;
65  }
66  return sys_errlist[error];
67#else  /* not HAVE_EXTERN_SYS_ERRLIST */
68  return "unknown (strerror not available)";
69#endif /* not HAVE_EXTERN_SYS_ERRLIST */
70}
71