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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
*/
#ifdef STREAMSCONN
#include <tiuser.h>
#else
#ifdef WIN32
#define _X86_ _M_IX86
#define BOOL wBOOL
#include <winsock.h>
#undef BOOL
#else
#include <sys/socket.h>
#endif
#endif
#include <X11/Xos.h>
#include <X11/X.h>
#include <X11/Xmd.h>
#include <X11/Xdmcp.h>
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;
}
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