1: /* a strerror implemenation
2:
3: Copyright (C) 1995,2000,2003,2007 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 3
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, see http://www.gnu.org/licenses/.
19: */
20:
21: #include <errno.h>
22: #include <stdio.h>
23:
24: extern char *sys_errlist[];
25: extern int sys_nerr;
26:
27: char *strerror(int err)
28: {
29: if (err<sys_nerr) /* !! or check with <= ? */
30: return sys_errlist[err];
31: else {
32: static char errbuf[50];
33: sprintf(errbuf,"Unknown system error %d",err);
34: return errbuf;
35: }
36: }
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