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- /*
- * $XConsortium: Fill.c,v 1.4 91/07/16 20:33:50 gildea Exp $
- *
- * Copyright 1989 Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of M.I.T. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission. M.I.T. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: Keith Packard, MIT X Consortium
- */
-
- #include <X11/Xos.h>
- #include <X11/X.h>
- #include <X11/Xmd.h>
- #include <X11/Xdmcp.h>
-
- #ifdef STREAMSCONN
- #include <tiuser.h>
- #else
- #include <sys/socket.h>
- #endif
-
- int
- XdmcpFill (fd, buffer, from, fromlen)
- int fd;
- XdmcpBufferPtr buffer;
- XdmcpNetaddr from; /* return */
- int *fromlen; /* return */
- {
- BYTE *newBuf;
- #ifdef STREAMSCONN
- struct t_unitdata dataunit;
- int gotallflag, result;
- #endif
-
- if (buffer->size < XDM_MAX_MSGLEN)
- {
- newBuf = (BYTE *) Xalloc (XDM_MAX_MSGLEN);
- if (newBuf)
- {
- Xfree (buffer->data);
- buffer->data = newBuf;
- buffer->size = XDM_MAX_MSGLEN;
- }
- }
- buffer->pointer = 0;
- #ifdef STREAMSCONN
- dataunit.addr.buf = from;
- dataunit.addr.maxlen = *fromlen;
- dataunit.opt.maxlen = 0; /* don't care to know about options */
- dataunit.udata.buf = (char *)buffer->data;
- dataunit.udata.maxlen = buffer->size;
- result = t_rcvudata (fd, &dataunit, &gotallflag);
- if (result < 0) {
- return FALSE;
- }
- buffer->count = dataunit.udata.len;
- *fromlen = dataunit.addr.len;
- #else
- buffer->count = recvfrom (fd, buffer->data, buffer->size, 0,
- (struct sockaddr *)from, fromlen);
- #endif
- if (buffer->count < 6) {
- buffer->count = 0;
- return FALSE;
- }
- return TRUE;
- }
-