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/* w32sock.h --- internal auxiliary functions for Windows socket functions
Copyright (C) 2008-2024 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;
}
}
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