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1 | /* w32sock.h --- internal auxilliary functions for Windows socket functions |
2 | ||
49114fd4 | 3 | Copyright (C) 2008-2011 Free Software Foundation, Inc. |
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4 | |
5 | This program is free software: you can redistribute it and/or modify | |
6 | it under the terms of the GNU Lesser 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. | |
9 | ||
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 Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | /* Written by Paolo Bonzini */ | |
19 | ||
20 | #include <errno.h> | |
21 | ||
22 | /* Get O_RDWR and O_BINARY. */ | |
23 | #include <fcntl.h> | |
24 | ||
35428fb6 | 25 | /* Get _open_osfhandle(). */ |
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26 | #include <io.h> |
27 | ||
35428fb6 LC |
28 | /* Get _get_osfhandle(). */ |
29 | #include "msvc-nothrow.h" | |
30 | ||
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31 | #define FD_TO_SOCKET(fd) ((SOCKET) _get_osfhandle ((fd))) |
32 | #define SOCKET_TO_FD(fh) (_open_osfhandle ((long) (fh), O_RDWR | O_BINARY)) | |
33 | ||
34 | static inline void | |
35 | set_winsock_errno (void) | |
36 | { | |
37 | int err = WSAGetLastError (); | |
38 | ||
39 | /* Map some WSAE* errors to the runtime library's error codes. */ | |
40 | switch (err) | |
41 | { | |
42 | case WSA_INVALID_HANDLE: | |
43 | errno = EBADF; | |
44 | break; | |
45 | case WSA_NOT_ENOUGH_MEMORY: | |
46 | errno = ENOMEM; | |
47 | break; | |
48 | case WSA_INVALID_PARAMETER: | |
49 | errno = EINVAL; | |
50 | break; | |
51 | case WSAEWOULDBLOCK: | |
52 | errno = EWOULDBLOCK; | |
53 | break; | |
54 | case WSAENAMETOOLONG: | |
55 | errno = ENAMETOOLONG; | |
56 | break; | |
57 | case WSAENOTEMPTY: | |
58 | errno = ENOTEMPTY; | |
59 | break; | |
60 | default: | |
61 | errno = (err > 10000 && err < 10025) ? err - 10000 : err; | |
62 | break; | |
63 | } | |
64 | } |