strerror.c   [plain text]

/*
 * Replacement for the strerror() function.
 * Copyright (c) 1995-1998 Markku Rossi.
 *
 * Author: Markku Rossi <mtr@iki.fi>
 */

/*
 * This file is part of GNU enscript.
 *
 * 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

extern char *sys_errlist[];
extern int sys_nerr;

char *
strerror (errnum)
     int errnum;
{
  if (errnum < 0 || errnum >= sys_nerr)
    return "unknown error";

  return sys_errlist[errnum];
}