os_support.h
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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 Libav.
6  *
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.
11  *
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.
16  *
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
20  */
21 
22 #ifndef AVFORMAT_OS_SUPPORT_H
23 #define AVFORMAT_OS_SUPPORT_H
24 
30 #include "config.h"
31 
32 #include <sys/stat.h>
33 
34 #if defined(__MINGW32__) && !defined(__MINGW32CE__)
35 # include <fcntl.h>
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__) */
40 
41 #ifdef _WIN32
42 #if HAVE_DIRECT_H
43 #include <direct.h>
44 #elif HAVE_IO_H
45 #include <io.h>
46 #endif
47 #define mkdir(a, b) _mkdir(a)
48 #else
49 #include <sys/stat.h>
50 #endif
51 
52 static inline int is_dos_path(const char *path)
53 {
54 #if HAVE_DOS_PATHS
55  if (path[0] && path[1] == ':')
56  return 1;
57 #endif
58  return 0;
59 }
60 
61 #if defined(__OS2__) || defined(__Plan9__)
62 #define SHUT_RD 0
63 #define SHUT_WR 1
64 #define SHUT_RDWR 2
65 #endif
66 
67 #if defined(_WIN32)
68 #define SHUT_RD SD_RECEIVE
69 #define SHUT_WR SD_SEND
70 #define SHUT_RDWR SD_BOTH
71 
72 #ifndef S_IRUSR
73 #define S_IRUSR S_IREAD
74 #endif
75 #ifndef S_IWUSR
76 #define S_IWUSR S_IWRITE
77 #endif
78 #endif
79 
80 #if defined(_WIN32) && !defined(__MINGW32CE__)
81 int ff_win32_open(const char *filename, int oflag, int pmode);
82 #define open ff_win32_open
83 #endif
84 
85 #if CONFIG_NETWORK
86 #if !HAVE_SOCKLEN_T
87 typedef int socklen_t;
88 #endif
89 
90 /* most of the time closing a socket is just closing an fd */
91 #if !HAVE_CLOSESOCKET
92 #define closesocket close
93 #endif
94 
95 #if !HAVE_POLL_H
96 typedef unsigned long nfds_t;
97 
98 #if HAVE_WINSOCK2_H
99 #include <winsock2.h>
100 #endif
101 #if !HAVE_STRUCT_POLLFD
102 struct pollfd {
103  int fd;
104  short events; /* events to look for */
105  short revents; /* events that occurred */
106 };
107 
108 /* events & revents */
109 #define POLLIN 0x0001 /* any readable data available */
110 #define POLLOUT 0x0002 /* file descriptor is writeable */
111 #define POLLRDNORM POLLIN
112 #define POLLWRNORM POLLOUT
113 #define POLLRDBAND 0x0008 /* priority readable data */
114 #define POLLWRBAND 0x0010 /* priority data can be written */
115 #define POLLPRI 0x0020 /* high priority readable data */
116 
117 /* revents only */
118 #define POLLERR 0x0004 /* errors pending */
119 #define POLLHUP 0x0080 /* disconnected */
120 #define POLLNVAL 0x1000 /* invalid file descriptor */
121 #endif
122 
123 
124 int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout);
125 #define poll ff_poll
126 #endif /* HAVE_POLL_H */
127 #endif /* CONFIG_NETWORK */
128 
129 #endif /* AVFORMAT_OS_SUPPORT_H */
static int is_dos_path(const char *path)
Definition: os_support.h:52