summaryrefslogtreecommitdiffstats
path: root/gl/lib/w32sock.h
blob: 84e46e33566cb8af7216fd4d3b4b3ad93568aa3a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/* w32sock.h --- internal auxiliary functions for Windows socket functions

   Copyright (C) 2008-2023 Free Software Foundation, Inc.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.

   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Paolo Bonzini */

#include <errno.h>

/* Get O_RDWR and O_BINARY.  */
#include <fcntl.h>

/* Get _open_osfhandle().  */
#include <io.h>

/* Get _get_osfhandle().  */
#if GNULIB_MSVC_NOTHROW
# include "msvc-nothrow.h"
#else
# include <io.h>
#endif

#define FD_TO_SOCKET(fd)   ((SOCKET) _get_osfhandle ((fd)))
#define SOCKET_TO_FD(fh)   (_open_osfhandle ((intptr_t) (fh), O_RDWR | O_BINARY))

static inline void
set_winsock_errno (void)
{
  int err = WSAGetLastError ();

  /* Map some WSAE* errors to the runtime library's error codes.  */
  switch (err)
    {
    case WSA_INVALID_HANDLE:
      errno = EBADF;
      break;
    case WSA_NOT_ENOUGH_MEMORY:
      errno = ENOMEM;
      break;
    case WSA_INVALID_PARAMETER:
      errno = EINVAL;
      break;
    case WSAENAMETOOLONG:
      errno = ENAMETOOLONG;
      break;
    case WSAENOTEMPTY:
      errno = ENOTEMPTY;
      break;
    case WSAEWOULDBLOCK:
      errno = EWOULDBLOCK;
      break;
    case WSAEINPROGRESS:
      errno = EINPROGRESS;
      break;
    case WSAEALREADY:
      errno = EALREADY;
      break;
    case WSAENOTSOCK:
      errno = ENOTSOCK;
      break;
    case WSAEDESTADDRREQ:
      errno = EDESTADDRREQ;
      break;
    case WSAEMSGSIZE:
      errno = EMSGSIZE;
      break;
    case WSAEPROTOTYPE:
      errno = EPROTOTYPE;
      break;
    case WSAENOPROTOOPT:
      errno = ENOPROTOOPT;
      break;
    case WSAEPROTONOSUPPORT:
      errno = EPROTONOSUPPORT;
      break;
    case WSAEOPNOTSUPP:
      errno = EOPNOTSUPP;
      break;
    case WSAEAFNOSUPPORT:
      errno = EAFNOSUPPORT;
      break;
    case WSAEADDRINUSE:
      errno = EADDRINUSE;
      break;
    case WSAEADDRNOTAVAIL:
      errno = EADDRNOTAVAIL;
      break;
    case WSAENETDOWN:
      errno = ENETDOWN;
      break;
    case WSAENETUNREACH:
      errno = ENETUNREACH;
      break;
    case WSAENETRESET:
      errno = ENETRESET;
      break;
    case WSAECONNABORTED:
      errno = ECONNABORTED;
      break;
    case WSAECONNRESET:
      errno = ECONNRESET;
      break;
    case WSAENOBUFS:
      errno = ENOBUFS;
      break;
    case WSAEISCONN:
      errno = EISCONN;
      break;
    case WSAENOTCONN:
      errno = ENOTCONN;
      break;
    case WSAETIMEDOUT:
      errno = ETIMEDOUT;
      break;
    case WSAECONNREFUSED:
      errno = ECONNREFUSED;
      break;
    case WSAELOOP:
      errno = ELOOP;
      break;
    case WSAEHOSTUNREACH:
      errno = EHOSTUNREACH;
      break;
    default:
      errno = (err > 10000 && err < 10025) ? err - 10000 : err;
      break;
    }
}