sys_stat: Fix 'implicit declaration of function' warning on OS/2 kLIBC.
[gnulib.git] / lib / sockets.h
blob137e834a95458c1cb97d84158c0455ee540c44f6
1 /* sockets.h - wrappers for Windows socket functions
3 Copyright (C) 2008-2019 Free Software Foundation, Inc.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18 /* Written by Simon Josefsson */
20 #ifndef SOCKETS_H
21 #define SOCKETS_H 1
23 #define SOCKETS_1_0 0x0001
24 #define SOCKETS_1_1 0x0101
25 #define SOCKETS_2_0 0x0002
26 #define SOCKETS_2_1 0x0102
27 #define SOCKETS_2_2 0x0202
29 int gl_sockets_startup (int version)
30 #ifndef WINDOWS_SOCKETS
31 _GL_ATTRIBUTE_CONST
32 #endif
35 int gl_sockets_cleanup (void)
36 #ifndef WINDOWS_SOCKETS
37 _GL_ATTRIBUTE_CONST
38 #endif
41 /* This function is useful it you create a socket using gnulib's
42 Winsock wrappers but needs to pass on the socket handle to some
43 other library that only accepts sockets. */
44 #ifdef WINDOWS_SOCKETS
46 # include <sys/socket.h>
48 # if GNULIB_MSVC_NOTHROW
49 # include "msvc-nothrow.h"
50 # else
51 # include <io.h>
52 # endif
54 static inline SOCKET
55 gl_fd_to_handle (int fd)
57 return _get_osfhandle (fd);
60 #else
62 # define gl_fd_to_handle(x) (x)
64 #endif /* WINDOWS_SOCKETS */
66 #endif /* SOCKETS_H */