139 lines
3.2 KiB
C
139 lines
3.2 KiB
C
/*
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* various OS-feature replacement utilities
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* copyright (c) 2000, 2001, 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_OS_SUPPORT_H
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#define AVFORMAT_OS_SUPPORT_H
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/**
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* @file
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* miscellaneous OS support macros and functions.
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*/
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#include "config.h"
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#include <sys/stat.h>
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#if defined(_WIN32) && !defined(__MINGW32CE__)
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# include <fcntl.h>
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# ifdef lseek
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# undef lseek
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# endif
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# define lseek(f,p,w) _lseeki64((f), (p), (w))
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# ifdef stat
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# undef stat
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# endif
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# define stat _stati64
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# ifdef fstat
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# undef fstat
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# endif
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# define fstat(f,s) _fstati64((f), (s))
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#endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
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#ifdef _WIN32
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#if HAVE_DIRECT_H
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#include <direct.h>
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#elif HAVE_IO_H
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#include <io.h>
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#endif
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#define mkdir(a, b) _mkdir(a)
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#else
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#include <sys/stat.h>
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#endif
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static inline int is_dos_path(const char *path)
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{
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#if HAVE_DOS_PATHS
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if (path[0] && path[1] == ':')
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return 1;
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#endif
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return 0;
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}
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#if defined(__OS2__) || defined(__Plan9__)
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#define SHUT_RD 0
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#define SHUT_WR 1
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#define SHUT_RDWR 2
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#endif
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#if defined(_WIN32)
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#define SHUT_RD SD_RECEIVE
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#define SHUT_WR SD_SEND
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#define SHUT_RDWR SD_BOTH
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#ifndef S_IRUSR
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#define S_IRUSR S_IREAD
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#endif
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#ifndef S_IWUSR
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#define S_IWUSR S_IWRITE
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#endif
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#endif
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#if defined(_WIN32) && !defined(__MINGW32CE__)
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int ff_win32_open(const char *filename, int oflag, int pmode);
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#define open ff_win32_open
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#endif
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#if CONFIG_NETWORK
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#if !HAVE_SOCKLEN_T
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typedef int socklen_t;
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#endif
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/* most of the time closing a socket is just closing an fd */
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#if !HAVE_CLOSESOCKET
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#define closesocket close
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#endif
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#if !HAVE_POLL_H
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typedef unsigned long nfds_t;
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#if HAVE_WINSOCK2_H
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#include <winsock2.h>
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#endif
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#if !HAVE_STRUCT_POLLFD
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struct pollfd {
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int fd;
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short events; /* events to look for */
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short revents; /* events that occurred */
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};
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/* events & revents */
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#define POLLIN 0x0001 /* any readable data available */
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#define POLLOUT 0x0002 /* file descriptor is writeable */
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#define POLLRDNORM POLLIN
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#define POLLWRNORM POLLOUT
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#define POLLRDBAND 0x0008 /* priority readable data */
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#define POLLWRBAND 0x0010 /* priority data can be written */
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#define POLLPRI 0x0020 /* high priority readable data */
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/* revents only */
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#define POLLERR 0x0004 /* errors pending */
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#define POLLHUP 0x0080 /* disconnected */
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#define POLLNVAL 0x1000 /* invalid file descriptor */
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#endif
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int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout);
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#define poll ff_poll
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#endif /* HAVE_POLL_H */
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#endif /* CONFIG_NETWORK */
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#endif /* AVFORMAT_OS_SUPPORT_H */
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