fileopen.c

来自「创建一个符合iso-9660标准的iso文件系统」· C语言 代码 · 共 39 行

/* @(#)fileopen.c	1.6 96/02/04 Copyright 1986, 1995 J. Schilling */
/*
 *	Copyright (c) 1986, 1995 J. Schilling
 */
/* 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, 675 Mass Ave, Cambridge, MA 02139, USA. 
 */

#include <stdio.h>
#include "io.h"

FILE	*fileopen (name, mode)
	const char	*name;
	const char	*mode;
{
	int	ret;
	int	omode = 0;
	int	flag = 0;

	if (!_cvmod (mode, &omode, &flag))
		return (FILE *) NULL;

	if ((ret = _openfd(name, omode)) < 0)
		return (FILE *) NULL;

	return _fcons ((FILE *)0, ret, flag);
}