1: /* a strerror implemenation
2:
3: Copyright (C) 1995 Free Software Foundation, Inc.
4:
5: This file is part of Gforth.
6:
7: Gforth is free software; you can redistribute it and/or
8: modify it under the terms of the GNU General Public License
9: as published by the Free Software Foundation; either version 2
10: of the License, or (at your option) any later version.
11:
12: This program is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with this program; if not, write to the Free Software
19: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20: */
21:
22: #include <errno.h>
23: #include <stdio.h>
24:
25: extern char *sys_errlist[];
26: extern int sys_nerr;
27:
28: char *strerror(int err)
29: {
30: if (err<sys_nerr) /* !! or check with <= ? */
31: return sys_errlist[err];
32: else {
33: static char errbuf[50];
34: sprintf(errbuf,"Unknown system error %d",err);
35: return errbuf;
36: }
37: }
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