gcc/texinfo/lib/strerror.c

44 lines
1.1 KiB
C

/*
* strerror.c --- ANSI C compatible system error routine
*/
/*
* Copyright (C) 1986, 1988, 1989, 1991 the Free Software Foundation, Inc.
* From gawk.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#if 0
#include <stdio.h>
#endif
extern int sys_nerr;
extern char *sys_errlist[];
char *
strerror(n)
int n;
{
static char mesg[30];
if (n < 0 || n >= sys_nerr) {
sprintf(mesg, "Unknown error (%d)", n);
return mesg;
} else
return sys_errlist[n];
}