Remove useless MinGW #ifdefs.
[libav.git] / libavformat / file.c
1 /*
2 * Buffered file io for ffmpeg system
3 * Copyright (c) 2001 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 #include "avformat.h"
22 #include <fcntl.h>
23 #include <unistd.h>
24 #include <sys/time.h>
25 #ifndef __MINGW32__
26 #include <sys/ioctl.h>
27 #endif /* __MINGW32__ */
28
29
30 /* standard file protocol */
31
32 static int file_open(URLContext *h, const char *filename, int flags)
33 {
34 int access;
35 int fd;
36
37 strstart(filename, "file:", &filename);
38
39 if (flags & URL_RDWR) {
40 access = O_CREAT | O_TRUNC | O_RDWR;
41 } else if (flags & URL_WRONLY) {
42 access = O_CREAT | O_TRUNC | O_WRONLY;
43 } else {
44 access = O_RDONLY;
45 }
46 #if defined(__MINGW32__) || defined(CONFIG_OS2) || defined(__CYGWIN__)
47 access |= O_BINARY;
48 #endif
49 fd = open(filename, access, 0666);
50 if (fd < 0)
51 return -ENOENT;
52 h->priv_data = (void *)(size_t)fd;
53 return 0;
54 }
55
56 static int file_read(URLContext *h, unsigned char *buf, int size)
57 {
58 int fd = (size_t)h->priv_data;
59 return read(fd, buf, size);
60 }
61
62 static int file_write(URLContext *h, unsigned char *buf, int size)
63 {
64 int fd = (size_t)h->priv_data;
65 return write(fd, buf, size);
66 }
67
68 /* XXX: use llseek */
69 static offset_t file_seek(URLContext *h, offset_t pos, int whence)
70 {
71 int fd = (size_t)h->priv_data;
72 return lseek(fd, pos, whence);
73 }
74
75 static int file_close(URLContext *h)
76 {
77 int fd = (size_t)h->priv_data;
78 return close(fd);
79 }
80
81 URLProtocol file_protocol = {
82 "file",
83 file_open,
84 file_read,
85 file_write,
86 file_seek,
87 file_close,
88 };
89
90 /* pipe protocol */
91
92 static int pipe_open(URLContext *h, const char *filename, int flags)
93 {
94 int fd;
95
96 if (flags & URL_WRONLY) {
97 fd = 1;
98 } else {
99 fd = 0;
100 }
101 #if defined(__MINGW32__) || defined(CONFIG_OS2) || defined(__CYGWIN__)
102 setmode(fd, O_BINARY);
103 #endif
104 h->priv_data = (void *)(size_t)fd;
105 h->is_streamed = 1;
106 return 0;
107 }
108
109 static int pipe_read(URLContext *h, unsigned char *buf, int size)
110 {
111 int fd = (size_t)h->priv_data;
112 return read(fd, buf, size);
113 }
114
115 static int pipe_write(URLContext *h, unsigned char *buf, int size)
116 {
117 int fd = (size_t)h->priv_data;
118 return write(fd, buf, size);
119 }
120
121 static int pipe_close(URLContext *h)
122 {
123 return 0;
124 }
125
126 URLProtocol pipe_protocol = {
127 "pipe",
128 pipe_open,
129 pipe_read,
130 pipe_write,
131 NULL,
132 pipe_close,
133 };