File: w32sock.h

package info (click to toggle)
shishi 1.0.0-1
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 22,144 kB
  • ctags: 7,865
  • sloc: ansic: 61,153; sh: 12,212; yacc: 1,219; makefile: 1,164; perl: 624; sed: 16
file content (61 lines) | stat: -rw-r--r-- 1,758 bytes parent folder | download | duplicates (13)
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
/* w32sock.h --- internal auxilliary functions for Windows socket functions

   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

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

/* Written by Paolo Bonzini */

#include <errno.h>

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

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

#define FD_TO_SOCKET(fd)   ((SOCKET) _get_osfhandle ((fd)))
#define SOCKET_TO_FD(fh)   (_open_osfhandle ((long) (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 WSAEWOULDBLOCK:
      errno = EWOULDBLOCK;
      break;
    case WSAENAMETOOLONG:
      errno = ENAMETOOLONG;
      break;
    case WSAENOTEMPTY:
      errno = ENOTEMPTY;
      break;
    default:
      errno = (err > 10000 && err < 10025) ? err - 10000 : err;
      break;
    }
}