2 * various OS-feature replacement utilities
3 * copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVFORMAT_OS_SUPPORT_H
23 #define AVFORMAT_OS_SUPPORT_H
27 * miscellaneous OS support macros and functions.
43 #if defined(_WIN32) && !defined(__MINGW32CE__)
48 # define lseek(f,p,w) _lseeki64((f), (p), (w))
52 # define stat _stati64
56 # define fstat(f,s) _fstati64((f), (s))
57 #endif /* defined(_WIN32) && !defined(__MINGW32CE__) */
67 # define lseek(f,p,w) lseek64((f), (p), (w))
70 static inline int is_dos_path(const char *path
)
73 if (path
[0] && path
[1] == ':')
79 #if defined(__OS2__) || defined(__Plan9__)
86 #define SHUT_RD SD_RECEIVE
87 #define SHUT_WR SD_SEND
88 #define SHUT_RDWR SD_BOTH
91 #define S_IRUSR S_IREAD
94 #define S_IWUSR S_IWRITE
100 typedef int socklen_t
;
103 /* most of the time closing a socket is just closing an fd */
104 #if !HAVE_CLOSESOCKET
105 #define closesocket close
109 typedef unsigned long nfds_t
;
112 #include <winsock2.h>
114 #if !HAVE_STRUCT_POLLFD
117 short events
; /* events to look for */
118 short revents
; /* events that occurred */
121 /* events & revents */
122 #define POLLIN 0x0001 /* any readable data available */
123 #define POLLOUT 0x0002 /* file descriptor is writeable */
124 #define POLLRDNORM POLLIN
125 #define POLLWRNORM POLLOUT
126 #define POLLRDBAND 0x0008 /* priority readable data */
127 #define POLLWRBAND 0x0010 /* priority data can be written */
128 #define POLLPRI 0x0020 /* high priority readable data */
131 #define POLLERR 0x0004 /* errors pending */
132 #define POLLHUP 0x0080 /* disconnected */
133 #define POLLNVAL 0x1000 /* invalid file descriptor */
137 int ff_poll(struct pollfd
*fds
, nfds_t numfds
, int timeout
);
139 #endif /* HAVE_POLL_H */
140 #endif /* CONFIG_NETWORK */
142 #if defined(__MINGW32CE__)
143 #define mkdir(a, b) _mkdir(a)
144 #elif defined(_WIN32)
147 #include "libavutil/wchar_filename.h"
149 #define DEF_FS_FUNCTION(name, wfunc, afunc) \
150 static inline int win32_##name(const char *filename_utf8) \
152 wchar_t *filename_w; \
155 if (utf8towchar(filename_utf8, &filename_w)) \
160 ret = wfunc(filename_w); \
161 av_free(filename_w); \
165 /* filename may be be in CP_ACP */ \
166 return afunc(filename_utf8); \
169 DEF_FS_FUNCTION(unlink
, _wunlink
, _unlink
)
170 DEF_FS_FUNCTION(mkdir
, _wmkdir
, _mkdir
)
171 DEF_FS_FUNCTION(rmdir
, _wrmdir
, _rmdir
)
173 static inline int win32_rename(const char *src_utf8
, const char *dest_utf8
)
175 wchar_t *src_w
, *dest_w
;
178 if (utf8towchar(src_utf8
, &src_w
))
180 if (utf8towchar(dest_utf8
, &dest_w
)) {
184 if (!src_w
|| !dest_w
) {
190 ret
= MoveFileExW(src_w
, dest_w
, MOVEFILE_REPLACE_EXISTING
);
193 // Lacking proper mapping from GetLastError() error codes to errno codes
199 /* filename may be be in CP_ACP */
201 ret
= MoveFileExA(src_utf8
, dest_utf8
, MOVEFILE_REPLACE_EXISTING
);
205 /* Windows Phone doesn't have MoveFileExA. However, it's unlikely
206 * that anybody would input filenames in CP_ACP there, so this
207 * fallback is kept mostly for completeness. Alternatively we could
208 * do MultiByteToWideChar(CP_ACP) and use MoveFileExW, but doing
209 * explicit conversions with CP_ACP is allegedly forbidden in windows
210 * store apps (or windows phone), and the notion of a native code page
211 * doesn't make much sense there. */
212 ret
= rename(src_utf8
, dest_utf8
);
217 #define mkdir(a, b) win32_mkdir(a)
218 #define rename win32_rename
219 #define rmdir win32_rmdir
220 #define unlink win32_unlink
224 #endif /* AVFORMAT_OS_SUPPORT_H */