| 1 | /* |
| 2 | * various OS-feature replacement utilities |
| 3 | * copyright (c) 2000, 2001, 2002 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 | |
| 22 | #ifndef AVFORMAT_OS_SUPPORT_H |
| 23 | #define AVFORMAT_OS_SUPPORT_H |
| 24 | |
| 25 | /** |
| 26 | * @file |
| 27 | * miscellaneous OS support macros and functions. |
| 28 | */ |
| 29 | |
| 30 | #include "config.h" |
| 31 | |
| 32 | #include <sys/stat.h> |
| 33 | |
| 34 | #if defined(_WIN32) && !defined(__MINGW32CE__) |
| 35 | # include <fcntl.h> |
| 36 | # ifdef lseek |
| 37 | # undef lseek |
| 38 | # endif |
| 39 | # define lseek(f,p,w) _lseeki64((f), (p), (w)) |
| 40 | # ifdef stat |
| 41 | # undef stat |
| 42 | # endif |
| 43 | # define stat _stati64 |
| 44 | # ifdef fstat |
| 45 | # undef fstat |
| 46 | # endif |
| 47 | # define fstat(f,s) _fstati64((f), (s)) |
| 48 | #endif /* defined(_WIN32) && !defined(__MINGW32CE__) */ |
| 49 | |
| 50 | #ifdef _WIN32 |
| 51 | #if HAVE_DIRECT_H |
| 52 | #include <direct.h> |
| 53 | #elif HAVE_IO_H |
| 54 | #include <io.h> |
| 55 | #endif |
| 56 | #define mkdir(a, b) _mkdir(a) |
| 57 | #endif |
| 58 | |
| 59 | static inline int is_dos_path(const char *path) |
| 60 | { |
| 61 | #if HAVE_DOS_PATHS |
| 62 | if (path[0] && path[1] == ':') |
| 63 | return 1; |
| 64 | #endif |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | #if defined(__OS2__) || defined(__Plan9__) |
| 69 | #define SHUT_RD 0 |
| 70 | #define SHUT_WR 1 |
| 71 | #define SHUT_RDWR 2 |
| 72 | #endif |
| 73 | |
| 74 | #if defined(_WIN32) |
| 75 | #define SHUT_RD SD_RECEIVE |
| 76 | #define SHUT_WR SD_SEND |
| 77 | #define SHUT_RDWR SD_BOTH |
| 78 | |
| 79 | #ifndef S_IRUSR |
| 80 | #define S_IRUSR S_IREAD |
| 81 | #endif |
| 82 | #ifndef S_IWUSR |
| 83 | #define S_IWUSR S_IWRITE |
| 84 | #endif |
| 85 | #endif |
| 86 | |
| 87 | #if CONFIG_NETWORK |
| 88 | #if !HAVE_SOCKLEN_T |
| 89 | typedef int socklen_t; |
| 90 | #endif |
| 91 | |
| 92 | /* most of the time closing a socket is just closing an fd */ |
| 93 | #if !HAVE_CLOSESOCKET |
| 94 | #define closesocket close |
| 95 | #endif |
| 96 | |
| 97 | #if !HAVE_POLL_H |
| 98 | typedef unsigned long nfds_t; |
| 99 | |
| 100 | #if HAVE_WINSOCK2_H |
| 101 | #include <winsock2.h> |
| 102 | #endif |
| 103 | #if !HAVE_STRUCT_POLLFD |
| 104 | struct pollfd { |
| 105 | int fd; |
| 106 | short events; /* events to look for */ |
| 107 | short revents; /* events that occurred */ |
| 108 | }; |
| 109 | |
| 110 | /* events & revents */ |
| 111 | #define POLLIN 0x0001 /* any readable data available */ |
| 112 | #define POLLOUT 0x0002 /* file descriptor is writeable */ |
| 113 | #define POLLRDNORM POLLIN |
| 114 | #define POLLWRNORM POLLOUT |
| 115 | #define POLLRDBAND 0x0008 /* priority readable data */ |
| 116 | #define POLLWRBAND 0x0010 /* priority data can be written */ |
| 117 | #define POLLPRI 0x0020 /* high priority readable data */ |
| 118 | |
| 119 | /* revents only */ |
| 120 | #define POLLERR 0x0004 /* errors pending */ |
| 121 | #define POLLHUP 0x0080 /* disconnected */ |
| 122 | #define POLLNVAL 0x1000 /* invalid file descriptor */ |
| 123 | #endif |
| 124 | |
| 125 | |
| 126 | int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout); |
| 127 | #define poll ff_poll |
| 128 | #endif /* HAVE_POLL_H */ |
| 129 | #endif /* CONFIG_NETWORK */ |
| 130 | |
| 131 | #endif /* AVFORMAT_OS_SUPPORT_H */ |