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/* w32sock.h --- internal auxilliary functions for Windows socket functions
Copyright (C) 2008-2011 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 _open_osfhandle(). */
#include <io.h>
/* Get _get_osfhandle(). */
#include "msvc-nothrow.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;
}
}
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