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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 */ |