2 * various OS-feature replacement utilities
3 * copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; 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.
34 #if defined(__MINGW32__) && !defined(__MINGW32CE__)
36 # define lseek(f,p,w) _lseeki64((f), (p), (w))
37 # define stat _stati64
38 # define fstat(f,s) _fstati64((f), (s))
39 #endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
41 static inline int is_dos_path(const char *path)
44 if (path[0] && path[1] == ':')
57 #define SHUT_RD SD_RECEIVE
58 #define SHUT_WR SD_SEND
59 #define SHUT_RDWR SD_BOTH
62 #define S_IRUSR S_IREAD
65 #define S_IWUSR S_IWRITE
69 #if defined(_WIN32) && !defined(__MINGW32CE__)
70 int ff_win32_open(const char *filename, int oflag, int pmode);
71 #define open ff_win32_open
76 typedef int socklen_t;
79 /* most of the time closing a socket is just closing an fd */
81 #define closesocket close
85 typedef unsigned long nfds_t;
90 #if !HAVE_STRUCT_POLLFD
93 short events; /* events to look for */
94 short revents; /* events that occurred */
97 /* events & revents */
98 #define POLLIN 0x0001 /* any readable data available */
99 #define POLLOUT 0x0002 /* file descriptor is writeable */
100 #define POLLRDNORM POLLIN
101 #define POLLWRNORM POLLOUT
102 #define POLLRDBAND 0x0008 /* priority readable data */
103 #define POLLWRBAND 0x0010 /* priority data can be written */
104 #define POLLPRI 0x0020 /* high priority readable data */
107 #define POLLERR 0x0004 /* errors pending */
108 #define POLLHUP 0x0080 /* disconnected */
109 #define POLLNVAL 0x1000 /* invalid file descriptor */
113 int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout);
115 #endif /* HAVE_POLL_H */
116 #endif /* CONFIG_NETWORK */
118 #endif /* AVFORMAT_OS_SUPPORT_H */