1/*
2 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
3 *	All rights reserved.
4 * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5 * Copyright (c) 1988, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * By using this file, you agree to the terms and conditions set
9 * forth in the LICENSE file which can be found at the top level of
10 * the sendmail distribution.
11 *
12 */
13
14#pragma ident	"%Z%%M%	%I%	%E% SMI"
15
16#include <sm/gen.h>
17SM_RCSID("@(#)$Id: strerror.c,v 1.21 2001/06/17 21:31:41 ca Exp $")
18
19/*
20**  define strerror for platforms that lack it.
21*/
22
23#include <errno.h>
24#include <stdio.h>	/* sys_errlist, on some platforms */
25
26#include <sm/io.h>	/* sm_snprintf */
27#include <sm/string.h>
28#include <sm/conf.h>
29#include <sm/errstring.h>
30
31#if !defined(ERRLIST_PREDEFINED)
32extern char *sys_errlist[];
33extern int sys_nerr;
34#endif /* !defined(ERRLIST_PREDEFINED) */
35
36#if !HASSTRERROR
37
38/*
39**  STRERROR -- return error message string corresponding to an error number.
40**
41**	Parameters:
42**		err -- error number.
43**
44**	Returns:
45**		Error string (might be pointer to static buffer).
46*/
47
48char *
49strerror(err)
50	int err;
51{
52	static char buf[64];
53
54	if (err >= 0 && err < sys_nerr)
55		return (char *) sys_errlist[err];
56	else
57	{
58		(void) sm_snprintf(buf, sizeof(buf), "Error %d", err);
59		return buf;
60	}
61}
62#endif /* !HASSTRERROR */
63