152 lines
3.8 KiB
C
152 lines
3.8 KiB
C
/*
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*
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* Author: Keith Packard, MIT X Consortium
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <X11/Xos.h>
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#include <X11/X.h>
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#include <X11/Xmd.h>
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#include <X11/Xdmcp.h>
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#include <stdlib.h>
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int
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XdmcpWriteHeader (
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XdmcpBufferPtr buffer,
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const XdmcpHeaderPtr header)
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{
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BYTE *newData;
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if ((int)buffer->size < 6 + (int)header->length)
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{
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newData = (BYTE *) malloc(XDM_MAX_MSGLEN * sizeof (BYTE));
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if (!newData)
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return FALSE;
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free((unsigned long *)(buffer->data));
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buffer->data = newData;
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buffer->size = XDM_MAX_MSGLEN;
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}
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buffer->pointer = 0;
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if (!XdmcpWriteCARD16 (buffer, header->version))
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return FALSE;
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if (!XdmcpWriteCARD16 (buffer, header->opcode))
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return FALSE;
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if (!XdmcpWriteCARD16 (buffer, header->length))
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return FALSE;
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return TRUE;
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}
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int
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XdmcpWriteARRAY8 (XdmcpBufferPtr buffer, const ARRAY8Ptr array)
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{
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int i;
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if (!XdmcpWriteCARD16 (buffer, array->length))
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return FALSE;
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for (i = 0; i < (int)array->length; i++)
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if (!XdmcpWriteCARD8 (buffer, array->data[i]))
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return FALSE;
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return TRUE;
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}
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int
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XdmcpWriteARRAY16 (XdmcpBufferPtr buffer, const ARRAY16Ptr array)
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{
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int i;
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if (!XdmcpWriteCARD8 (buffer, array->length))
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return FALSE;
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for (i = 0; i < (int)array->length; i++)
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if (!XdmcpWriteCARD16 (buffer, array->data[i]))
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return FALSE;
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return TRUE;
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}
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int
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XdmcpWriteARRAY32 (XdmcpBufferPtr buffer, const ARRAY32Ptr array)
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{
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int i;
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if (!XdmcpWriteCARD8 (buffer, array->length))
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return FALSE;
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for (i = 0; i < (int)array->length; i++)
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if (!XdmcpWriteCARD32 (buffer, array->data[i]))
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return FALSE;
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return TRUE;
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}
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int
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XdmcpWriteARRAYofARRAY8 (XdmcpBufferPtr buffer, ARRAYofARRAY8Ptr array)
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{
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int i;
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if (!XdmcpWriteCARD8 (buffer, array->length))
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return FALSE;
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for (i = 0; i < (int)array->length; i++)
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if (!XdmcpWriteARRAY8 (buffer, &array->data[i]))
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return FALSE;
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return TRUE;
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}
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int
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XdmcpWriteCARD8 (
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XdmcpBufferPtr buffer,
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unsigned value)
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{
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if (buffer->pointer >= buffer->size)
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return FALSE;
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buffer->data[buffer->pointer++] = (BYTE) value;
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return TRUE;
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}
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int
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XdmcpWriteCARD16 (
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XdmcpBufferPtr buffer,
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unsigned value)
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{
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if (!XdmcpWriteCARD8 (buffer, value >> 8))
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return FALSE;
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if (!XdmcpWriteCARD8 (buffer, value & 0xff))
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return FALSE;
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return TRUE;
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}
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int
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XdmcpWriteCARD32 (
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XdmcpBufferPtr buffer,
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unsigned value)
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{
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if (!XdmcpWriteCARD8 (buffer, value >> 24))
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return FALSE;
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if (!XdmcpWriteCARD8 (buffer, (value >> 16) & 0xff))
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return FALSE;
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if (!XdmcpWriteCARD8 (buffer, (value >> 8) & 0xff))
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return FALSE;
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if (!XdmcpWriteCARD8 (buffer, value & 0xff))
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return FALSE;
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return TRUE;
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}
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