X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=lib%2Fw32sock.h;fp=lib%2Fw32sock.h;h=0622985b8197a31c1687b29f7231d306ca710ec1;hb=785cdec4450a1459fdbb90df1344b69be34e0059;hp=0000000000000000000000000000000000000000;hpb=cf7169a2ede9bb08b71de68fe0c8bbecf827abe6;p=tar
diff --git a/lib/w32sock.h b/lib/w32sock.h
new file mode 100644
index 0000000..0622985
--- /dev/null
+++ b/lib/w32sock.h
@@ -0,0 +1,62 @@
+/* w32sock.h --- internal auxilliary functions for Windows socket functions
+
+ Copyright (C) 2008 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 . */
+
+/* Written by Paolo Bonzini */
+
+#include
+
+/* Get O_RDWR and O_BINARY. */
+#include
+
+/* Get _get_osfhandle() and _open_osfhandle(). */
+#include
+
+#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 ();
+ WSASetLastError (0);
+
+ /* 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;
+ }
+}