yading@11: /*
yading@11:  * various OS-feature replacement utilities
yading@11:  * copyright (c) 2000, 2001, 2002 Fabrice Bellard
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #ifndef AVFORMAT_OS_SUPPORT_H
yading@11: #define AVFORMAT_OS_SUPPORT_H
yading@11: 
yading@11: /**
yading@11:  * @file
yading@11:  * miscellaneous OS support macros and functions.
yading@11:  */
yading@11: 
yading@11: #include "config.h"
yading@11: 
yading@11: #include <sys/stat.h>
yading@11: 
yading@11: #if defined(_WIN32) && !defined(__MINGW32CE__)
yading@11: #  include <fcntl.h>
yading@11: #  ifdef lseek
yading@11: #   undef lseek
yading@11: #  endif
yading@11: #  define lseek(f,p,w) _lseeki64((f), (p), (w))
yading@11: #  ifdef stat
yading@11: #   undef stat
yading@11: #  endif
yading@11: #  define stat _stati64
yading@11: #  ifdef fstat
yading@11: #   undef fstat
yading@11: #  endif
yading@11: #  define fstat(f,s) _fstati64((f), (s))
yading@11: #endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
yading@11: 
yading@11: #ifdef _WIN32
yading@11: #if HAVE_DIRECT_H
yading@11: #include <direct.h>
yading@11: #elif HAVE_IO_H
yading@11: #include <io.h>
yading@11: #endif
yading@11: #define mkdir(a, b) _mkdir(a)
yading@11: #else
yading@11: #include <sys/stat.h>
yading@11: #endif
yading@11: 
yading@11: static inline int is_dos_path(const char *path)
yading@11: {
yading@11: #if HAVE_DOS_PATHS
yading@11:     if (path[0] && path[1] == ':')
yading@11:         return 1;
yading@11: #endif
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: #if defined(__OS2__) || defined(__Plan9__)
yading@11: #define SHUT_RD 0
yading@11: #define SHUT_WR 1
yading@11: #define SHUT_RDWR 2
yading@11: #endif
yading@11: 
yading@11: #if defined(_WIN32)
yading@11: #define SHUT_RD SD_RECEIVE
yading@11: #define SHUT_WR SD_SEND
yading@11: #define SHUT_RDWR SD_BOTH
yading@11: 
yading@11: #ifndef S_IRUSR
yading@11: #define S_IRUSR S_IREAD
yading@11: #endif
yading@11: #ifndef S_IWUSR
yading@11: #define S_IWUSR S_IWRITE
yading@11: #endif
yading@11: #endif
yading@11: 
yading@11: #if defined(_WIN32) && !defined(__MINGW32CE__)
yading@11: int ff_win32_open(const char *filename, int oflag, int pmode);
yading@11: #define open ff_win32_open
yading@11: #endif
yading@11: 
yading@11: #if CONFIG_NETWORK
yading@11: #if !HAVE_SOCKLEN_T
yading@11: typedef int socklen_t;
yading@11: #endif
yading@11: 
yading@11: /* most of the time closing a socket is just closing an fd */
yading@11: #if !HAVE_CLOSESOCKET
yading@11: #define closesocket close
yading@11: #endif
yading@11: 
yading@11: #if !HAVE_POLL_H
yading@11: typedef unsigned long nfds_t;
yading@11: 
yading@11: #if HAVE_WINSOCK2_H
yading@11: #include <winsock2.h>
yading@11: #endif
yading@11: #if !HAVE_STRUCT_POLLFD
yading@11: struct pollfd {
yading@11:     int fd;
yading@11:     short events;  /* events to look for */
yading@11:     short revents; /* events that occurred */
yading@11: };
yading@11: 
yading@11: /* events & revents */
yading@11: #define POLLIN     0x0001  /* any readable data available */
yading@11: #define POLLOUT    0x0002  /* file descriptor is writeable */
yading@11: #define POLLRDNORM POLLIN
yading@11: #define POLLWRNORM POLLOUT
yading@11: #define POLLRDBAND 0x0008  /* priority readable data */
yading@11: #define POLLWRBAND 0x0010  /* priority data can be written */
yading@11: #define POLLPRI    0x0020  /* high priority readable data */
yading@11: 
yading@11: /* revents only */
yading@11: #define POLLERR    0x0004  /* errors pending */
yading@11: #define POLLHUP    0x0080  /* disconnected */
yading@11: #define POLLNVAL   0x1000  /* invalid file descriptor */
yading@11: #endif
yading@11: 
yading@11: 
yading@11: int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout);
yading@11: #define poll ff_poll
yading@11: #endif /* HAVE_POLL_H */
yading@11: #endif /* CONFIG_NETWORK */
yading@11: 
yading@11: #endif /* AVFORMAT_OS_SUPPORT_H */