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* Buffered file io for ffmpeg system
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* Copyright (c) 2001 Fabrice Bellard
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <sys/ioctl.h>
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#define open(fname,oflag,pmode) _open(fname,oflag,pmode)
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#endif /* CONFIG_WIN32 */
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/* standard file protocol */
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static int file_open(URLContext *h, const char *filename, int flags)
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strstart(filename, "file:", &filename);
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if (flags & URL_WRONLY) {
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access = O_CREAT | O_TRUNC | O_WRONLY;
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#if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
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fd = open(filename, access, 0666);
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h->priv_data = (void *)fd;
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static int file_read(URLContext *h, unsigned char *buf, int size)
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int fd = (int)h->priv_data;
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return read(fd, buf, size);
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static int file_write(URLContext *h, unsigned char *buf, int size)
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int fd = (int)h->priv_data;
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return write(fd, buf, size);
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static offset_t file_seek(URLContext *h, offset_t pos, int whence)
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int fd = (int)h->priv_data;
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return _lseeki64(fd, pos, whence);
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return lseek(fd, pos, whence);
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static int file_close(URLContext *h)
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int fd = (int)h->priv_data;
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URLProtocol file_protocol = {
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static int pipe_open(URLContext *h, const char *filename, int flags)
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if (flags & URL_WRONLY) {
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h->priv_data = (void *)fd;
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static int pipe_read(URLContext *h, unsigned char *buf, int size)
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int fd = (int)h->priv_data;
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return read(fd, buf, size);
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static int pipe_write(URLContext *h, unsigned char *buf, int size)
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int fd = (int)h->priv_data;
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return write(fd, buf, size);
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static int pipe_close(URLContext *h)
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URLProtocol pipe_protocol = {