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-rw-r--r--lib/w32sock.h140
1 files changed, 140 insertions, 0 deletions
diff --git a/lib/w32sock.h b/lib/w32sock.h
new file mode 100644
index 0000000..9c23c9d
--- /dev/null
+++ b/lib/w32sock.h
@@ -0,0 +1,140 @@
+/* w32sock.h --- internal auxiliary functions for Windows socket functions
+
+ Copyright (C) 2008-2020 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 <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;
+ }
+}