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Annotation of gforth/engine/strerror.c, revision 1.6

1.1       anton       1: /* a strerror implemenation
                      2: 
1.6     ! anton       3:   Copyright (C) 1995,2000,2003,2007 Free Software Foundation, Inc.
1.1       anton       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
1.5       anton       9:   as published by the Free Software Foundation, either version 3
1.1       anton      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
1.5       anton      18:   along with this program; if not, see http://www.gnu.org/licenses/.
1.1       anton      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: }