gl/w32sock.h

   1 /* w32sock.h --- internal auxiliary functions for Windows socket functions
   2
   3    Copyright (C) 2008-2012 Free Software Foundation, Inc.
   4
   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.
   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 General Public License for more details.
  14
  15    You should have received a copy of the GNU 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
  25 /* Get _open_osfhandle().  */
  26 #include <io.h>
  27
  28 /* Get _get_osfhandle().  */
  29 #include "msvc-nothrow.h"
  30
  31 #define FD_TO_SOCKET(fd)   ((SOCKET) _get_osfhandle ((fd)))
  32 #define SOCKET_TO_FD(fh)   (_open_osfhandle ((intptr_t) (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 WSAENAMETOOLONG:
  52       errno = ENAMETOOLONG;
  53       break;
  54     case WSAENOTEMPTY:
  55       errno = ENOTEMPTY;
  56       break;
  57     case WSAEWOULDBLOCK:
  58       errno = EWOULDBLOCK;
  59       break;
  60     case WSAEINPROGRESS:
  61       errno = EINPROGRESS;
  62       break;
  63     case WSAEALREADY:
  64       errno = EALREADY;
  65       break;
  66     case WSAENOTSOCK:
  67       errno = ENOTSOCK;
  68       break;
  69     case WSAEDESTADDRREQ:
  70       errno = EDESTADDRREQ;
  71       break;
  72     case WSAEMSGSIZE:
  73       errno = EMSGSIZE;
  74       break;
  75     case WSAEPROTOTYPE:
  76       errno = EPROTOTYPE;
  77       break;
  78     case WSAENOPROTOOPT:
  79       errno = ENOPROTOOPT;
  80       break;
  81     case WSAEPROTONOSUPPORT:
  82       errno = EPROTONOSUPPORT;
  83       break;
  84     case WSAEOPNOTSUPP:
  85       errno = EOPNOTSUPP;
  86       break;
  87     case WSAEAFNOSUPPORT:
  88       errno = EAFNOSUPPORT;
  89       break;
  90     case WSAEADDRINUSE:
  91       errno = EADDRINUSE;
  92       break;
  93     case WSAEADDRNOTAVAIL:
  94       errno = EADDRNOTAVAIL;
  95       break;
  96     case WSAENETDOWN:
  97       errno = ENETDOWN;
  98       break;
  99     case WSAENETUNREACH:
 100       errno = ENETUNREACH;
 101       break;
 102     case WSAENETRESET:
 103       errno = ENETRESET;
 104       break;
 105     case WSAECONNABORTED:
 106       errno = ECONNABORTED;
 107       break;
 108     case WSAECONNRESET:
 109       errno = ECONNRESET;
 110       break;
 111     case WSAENOBUFS:
 112       errno = ENOBUFS;
 113       break;
 114     case WSAEISCONN:
 115       errno = EISCONN;
 116       break;
 117     case WSAENOTCONN:
 118       errno = ENOTCONN;
 119       break;
 120     case WSAETIMEDOUT:
 121       errno = ETIMEDOUT;
 122       break;
 123     case WSAECONNREFUSED:
 124       errno = ECONNREFUSED;
 125       break;
 126     case WSAELOOP:
 127       errno = ELOOP;
 128       break;
 129     case WSAEHOSTUNREACH:
 130       errno = EHOSTUNREACH;
 131       break;
 132     default:
 133       errno = (err > 10000 && err < 10025) ? err - 10000 : err;
 134       break;
 135     }
 136 }