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d20bc122 MF |
1 | /* w32sock.h --- internal auxiliary functions for Windows socket functions |
2 | ||
dc6c21da | 3 | Copyright (C) 2008-2022 Free Software Foundation, Inc. |
d20bc122 | 4 | |
dc6c21da TT |
5 | This file is free software: you can redistribute it and/or modify |
6 | it under the terms of the GNU Lesser General Public License as | |
7 | published by the Free Software Foundation; either version 2.1 of the | |
8 | License, or (at your option) any later version. | |
d20bc122 | 9 | |
dc6c21da | 10 | This file is distributed in the hope that it will be useful, |
d20bc122 MF |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
dc6c21da | 13 | GNU Lesser General Public License for more details. |
d20bc122 | 14 | |
dc6c21da | 15 | You should have received a copy of the GNU Lesser General Public License |
d20bc122 MF |
16 | along with this program. If not, see <https://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 | ||
25 | /* Get _open_osfhandle(). */ | |
26 | #include <io.h> | |
27 | ||
28 | /* Get _get_osfhandle(). */ | |
29 | #if GNULIB_MSVC_NOTHROW | |
30 | # include "msvc-nothrow.h" | |
31 | #else | |
32 | # include <io.h> | |
33 | #endif | |
34 | ||
35 | #define FD_TO_SOCKET(fd) ((SOCKET) _get_osfhandle ((fd))) | |
36 | #define SOCKET_TO_FD(fh) (_open_osfhandle ((intptr_t) (fh), O_RDWR | O_BINARY)) | |
37 | ||
38 | static inline void | |
39 | set_winsock_errno (void) | |
40 | { | |
41 | int err = WSAGetLastError (); | |
42 | ||
43 | /* Map some WSAE* errors to the runtime library's error codes. */ | |
44 | switch (err) | |
45 | { | |
46 | case WSA_INVALID_HANDLE: | |
47 | errno = EBADF; | |
48 | break; | |
49 | case WSA_NOT_ENOUGH_MEMORY: | |
50 | errno = ENOMEM; | |
51 | break; | |
52 | case WSA_INVALID_PARAMETER: | |
53 | errno = EINVAL; | |
54 | break; | |
55 | case WSAENAMETOOLONG: | |
56 | errno = ENAMETOOLONG; | |
57 | break; | |
58 | case WSAENOTEMPTY: | |
59 | errno = ENOTEMPTY; | |
60 | break; | |
61 | case WSAEWOULDBLOCK: | |
62 | errno = EWOULDBLOCK; | |
63 | break; | |
64 | case WSAEINPROGRESS: | |
65 | errno = EINPROGRESS; | |
66 | break; | |
67 | case WSAEALREADY: | |
68 | errno = EALREADY; | |
69 | break; | |
70 | case WSAENOTSOCK: | |
71 | errno = ENOTSOCK; | |
72 | break; | |
73 | case WSAEDESTADDRREQ: | |
74 | errno = EDESTADDRREQ; | |
75 | break; | |
76 | case WSAEMSGSIZE: | |
77 | errno = EMSGSIZE; | |
78 | break; | |
79 | case WSAEPROTOTYPE: | |
80 | errno = EPROTOTYPE; | |
81 | break; | |
82 | case WSAENOPROTOOPT: | |
83 | errno = ENOPROTOOPT; | |
84 | break; | |
85 | case WSAEPROTONOSUPPORT: | |
86 | errno = EPROTONOSUPPORT; | |
87 | break; | |
88 | case WSAEOPNOTSUPP: | |
89 | errno = EOPNOTSUPP; | |
90 | break; | |
91 | case WSAEAFNOSUPPORT: | |
92 | errno = EAFNOSUPPORT; | |
93 | break; | |
94 | case WSAEADDRINUSE: | |
95 | errno = EADDRINUSE; | |
96 | break; | |
97 | case WSAEADDRNOTAVAIL: | |
98 | errno = EADDRNOTAVAIL; | |
99 | break; | |
100 | case WSAENETDOWN: | |
101 | errno = ENETDOWN; | |
102 | break; | |
103 | case WSAENETUNREACH: | |
104 | errno = ENETUNREACH; | |
105 | break; | |
106 | case WSAENETRESET: | |
107 | errno = ENETRESET; | |
108 | break; | |
109 | case WSAECONNABORTED: | |
110 | errno = ECONNABORTED; | |
111 | break; | |
112 | case WSAECONNRESET: | |
113 | errno = ECONNRESET; | |
114 | break; | |
115 | case WSAENOBUFS: | |
116 | errno = ENOBUFS; | |
117 | break; | |
118 | case WSAEISCONN: | |
119 | errno = EISCONN; | |
120 | break; | |
121 | case WSAENOTCONN: | |
122 | errno = ENOTCONN; | |
123 | break; | |
124 | case WSAETIMEDOUT: | |
125 | errno = ETIMEDOUT; | |
126 | break; | |
127 | case WSAECONNREFUSED: | |
128 | errno = ECONNREFUSED; | |
129 | break; | |
130 | case WSAELOOP: | |
131 | errno = ELOOP; | |
132 | break; | |
133 | case WSAEHOSTUNREACH: | |
134 | errno = EHOSTUNREACH; | |
135 | break; | |
136 | default: | |
137 | errno = (err > 10000 && err < 10025) ? err - 10000 : err; | |
138 | break; | |
139 | } | |
140 | } |