1 /*
2  * This file has been modified for the cdrkit suite.
3  *
4  * The behaviour and appearence of the program code below can differ to a major
5  * extent from the version distributed by the original author(s).
6  *
7  * For details, see Changelog file distributed with the cdrkit package. If you
8  * received this file from another source then ask the distributing person for
9  * a log of modifications.
10  *
11  */
12 
13 /* @(#)seterrno.c	1.8 03/06/15 Copyright 1985, 1995-2003 J. Schilling */
14 /*
15  *	Set error number
16  *
17  *	Copyright (c) 1985, 1995-2003 J. Schilling
18  */
19 /*
20  * This program is free software; you can redistribute it and/or modify
21  * it under the terms of the GNU General Public License version 2
22  * as published by the Free Software Foundation.
23  *
24  * This program is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
27  * GNU General Public License for more details.
28  *
29  * You should have received a copy of the GNU General Public License along with
30  * this program; see the file COPYING.  If not, write to the Free Software
31  * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32  */
33 
34 #include <standard.h>
35 #include <errno.h>
36 #include <schily.h>
37 
38 #ifndef	HAVE_ERRNO_DEF
39 extern	int	errno;
40 #endif
41 
42 #ifdef	seterrno
43 #undef	seterrno
44 #endif
45 
46 EXPORT int
seterrno(err)47 seterrno(err)
48 	int	err;
49 {
50 	int	old = errno;
51 
52 	errno = err;
53 	return (old);
54 }
55