Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / lib / Xdmcp / Flush.c

diff --git a/Xserver/lib/Xdmcp/Flush.c b/Xserver/lib/Xdmcp/Flush.c
new file mode 100644 (file)
index 0000000..e529be8
--- /dev/null
+++ b/Xserver/lib/Xdmcp/Flush.c
@@ -0,0 +1,112 @@
+/*
+ * $XConsortium: Flush.c /main/11 1996/11/13 14:44:22 lehors $
+ * $XFree86: xc/lib/Xdmcp/Flush.c,v 3.4 1997/01/18 06:52:07 dawes Exp $
+ *
+ * 
+Copyright (c) 1989  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+ * *
+ * Author:  Keith Packard, MIT X Consortium
+ */
+
+#ifdef WIN32
+#define _WILLWINSOCK_
+#endif
+#include <X11/Xos.h>
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include <X11/Xdmcp.h>
+
+#ifdef STREAMSCONN
+#include <tiuser.h>
+#else
+#ifdef WIN32
+#include <X11/Xwinsock.h>
+#else
+#ifndef MINIX
+#ifndef Lynx
+#include <sys/socket.h>
+#else
+#include <socket.h>
+#endif /* !Lynx */
+#endif /* !MINIX */
+#endif
+#endif
+
+int
+XdmcpFlush (fd, buffer, to, tolen)
+    int                    fd;
+    XdmcpBufferPtr  buffer;
+    XdmcpNetaddr    to;
+    int                    tolen;
+{
+    int result;
+#ifdef MINIX
+    struct sockaddr_in *to_addr;
+    char *b;
+    udp_io_hdr_t *udp_io_hdr;
+    int flags, s_errno;
+#endif /* MINIX */
+
+#ifdef STREAMSCONN
+    struct t_unitdata dataunit;
+
+    dataunit.addr.buf = to;
+    dataunit.addr.len = tolen;
+    dataunit.opt.len = 0;      /* default options */
+    dataunit.udata.buf = (char *)buffer->data;
+    dataunit.udata.len = buffer->pointer;
+    result = t_sndudata(fd, &dataunit);
+    if (result < 0)
+       return FALSE;
+#else
+#ifndef MINIX
+    result = sendto (fd, (char *)buffer->data, buffer->pointer, 0,
+                    (struct sockaddr *)to, tolen);
+    if (result != buffer->pointer)
+       return FALSE;
+#else /* MINIX */
+    to_addr= (struct sockaddr_in *)to;
+    b= (char *)Xalloc(buffer->pointer + sizeof(udp_io_hdr_t));
+    if (b == NULL)
+       return FALSE;
+    udp_io_hdr= (udp_io_hdr_t *)b;
+    bcopy((char *)buffer->data, b+sizeof(udp_io_hdr_t), buffer->pointer);
+    udp_io_hdr->uih_dst_addr= to_addr->sin_addr.s_addr;
+    udp_io_hdr->uih_dst_port= to_addr->sin_port;
+    udp_io_hdr->uih_ip_opt_len= 0;
+    udp_io_hdr->uih_data_len= buffer->pointer;
+
+    /* Make the write synchronous by turning of asynch I/O */
+    flags= fcntl(fd, F_GETFD);
+    fcntl(fd, F_SETFD, flags & ~FD_ASYNCHIO);
+    result= write(fd, b, buffer->pointer + sizeof(udp_io_hdr_t));
+    s_errno= errno;
+    Xfree(b);
+    fcntl(fd, F_SETFD, flags);
+    if (result != buffer->pointer + sizeof(udp_io_hdr_t))
+       return FALSE;
+#endif /* MINIX */
+#endif
+    return TRUE;
+}