2 * Buffered file io for ffmpeg system
3 * Copyright (c) 2001 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <sys/ioctl.h>
27 #define open(fname,oflag,pmode) _open(fname,oflag,pmode)
28 #endif /* CONFIG_WIN32 */
31 /* standard file protocol */
33 static int file_open(URLContext *h, const char *filename, int flags)
38 if (flags & URL_WRONLY) {
39 access = O_CREAT | O_TRUNC | O_WRONLY;
46 fd = open(filename, access, 0666);
49 h->priv_data = (void *)fd;
53 static int file_read(URLContext *h, unsigned char *buf, int size)
55 int fd = (int)h->priv_data;
56 return read(fd, buf, size);
59 static int file_write(URLContext *h, unsigned char *buf, int size)
61 int fd = (int)h->priv_data;
62 return write(fd, buf, size);
66 static offset_t file_seek(URLContext *h, offset_t pos, int whence)
68 int fd = (int)h->priv_data;
70 return _lseeki64(fd, pos, whence);
72 return lseek(fd, pos, whence);
76 static int file_close(URLContext *h)
78 int fd = (int)h->priv_data;
82 URLProtocol file_protocol = {
93 static int pipe_open(URLContext *h, const char *filename, int flags)
97 if (flags & URL_WRONLY) {
102 h->priv_data = (void *)fd;
106 static int pipe_read(URLContext *h, unsigned char *buf, int size)
108 int fd = (int)h->priv_data;
109 return read(fd, buf, size);
112 static int pipe_write(URLContext *h, unsigned char *buf, int size)
114 int fd = (int)h->priv_data;
115 return write(fd, buf, size);
118 static int pipe_close(URLContext *h)
123 URLProtocol pipe_protocol = {