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/*
* strerror.c --- ANSI C compatible system error routine
*/
/*
* Copyright (C) 1986, 1988, 1989 the Free Software Foundation, Inc.
*
* This file is part of GAWK, the GNU implementation of the
* AWK Progamming Language.
*
* GAWK 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 1, or (at your option)
* any later version.
*
* GAWK 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 GAWK; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
extern int sys_nerr;
extern char *sys_errlist[];
/* have to get right decl of sprintf early on */
#ifndef BUFSIZ /* stdio specific definition */
#include <stdio.h>
#endif
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];
}
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