/contrib/ntp/libntp/strerror.c

 1#include <config.h>
 2
 3#if !HAVE_STRERROR
 4/*
 5 * Copyright (c) 1988 Regents of the University of California.
 6 * All rights reserved.
 7 *
 8 * Redistribution and use in source and binary forms are permitted
 9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the University of California, Berkeley.  The name of the
14 * University may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 */
20
21#if defined(LIBC_SCCS) && !defined(lint)
22static const char sccsid[] = "@(#)strerror.c	5.1 (Berkeley) 4/9/89";
23#endif /* LIBC_SCCS and not lint */
24
25#include <sys/types.h>
26
27#include <stdio.h>
28#include <string.h>
29
30#include "l_stdlib.h"
31
32char *
33strerror(
34	int errnum
35	)
36{
37	extern int sys_nerr;
38	extern char *sys_errlist[];
39	static char ebuf[20];
40
41	if ((unsigned int)errnum < sys_nerr)
42		return(sys_errlist[errnum]);
43	(void)sprintf(ebuf, "Unknown error: %d", errnum);
44	return(ebuf);
45}
46#else
47int strerror_bs;
48#endif