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Annotation of gforth/strerror.c, revision 1.2

1.2     ! anton       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., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            20: */
        !            21: 
1.1       anton      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: }