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63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
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/* w32sock.h --- internal auxilliary functions for Windows socket functions
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Copyright (C) 2008 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Paolo Bonzini */
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#include <errno.h>
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/* Get O_RDWR and O_BINARY. */
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#include <fcntl.h>
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/* Get _get_osfhandle() and _open_osfhandle(). */
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#include <io.h>
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#define FD_TO_SOCKET(fd) ((SOCKET) _get_osfhandle ((fd)))
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#define SOCKET_TO_FD(fh) (_open_osfhandle ((long) (fh), O_RDWR | O_BINARY))
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static inline void
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set_winsock_errno (void)
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{
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int err = WSAGetLastError ();
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WSASetLastError (0);
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/* Map some WSAE* errors to the runtime library's error codes. */
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switch (err)
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{
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case WSA_INVALID_HANDLE:
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errno = EBADF;
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break;
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case WSA_NOT_ENOUGH_MEMORY:
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errno = ENOMEM;
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break;
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case WSA_INVALID_PARAMETER:
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errno = EINVAL;
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break;
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case WSAEWOULDBLOCK:
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errno = EWOULDBLOCK;
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break;
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case WSAENAMETOOLONG:
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errno = ENAMETOOLONG;
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break;
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case WSAENOTEMPTY:
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errno = ENOTEMPTY;
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break;
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default:
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errno = (err > 10000 && err < 10025) ? err - 10000 : err;
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break;
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}
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}
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