34f82f3e18
which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@3 423420c4-83ab-492f-b58f-81f9feb106b5
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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rdesktop: A Remote Desktop Protocol client.
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Protocol services - parsing layer
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Copyright (C) Matthew Chapman 1999-2000
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* Parser state */
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typedef struct stream
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{
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/* Parsing layer */
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unsigned char *data;
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unsigned int size;
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unsigned int offset;
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unsigned int end;
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BOOL marshall;
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BOOL error;
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/* Other layers */
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int iso_offset;
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int mcs_offset;
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int rdp_offset;
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} *STREAM;
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/* Connection state */
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typedef struct connection
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{
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/* Parsing layer */
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struct stream in;
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struct stream out;
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/* TCP layer */
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int tcp_socket;
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/* MCS layer */
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uint16 mcs_userid;
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} *HCONN;
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#define STREAM_INIT(s,m) { s.data = xmalloc(2048); s.end = s.size = 2048; s.offset = 0; s.marshall = m; s.error = False; }
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#define STREAM_SIZE(s,l) { if (l > s.size) { s.data = xrealloc(s.data,l); s.end = s.size = l; } }
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#define REMAINING(s) ( s->end - s->offset )
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#define PUSH_LAYER(s,v,l) { s.v = s.offset; s.offset += l; }
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#define POP_LAYER(s,v) { s.offset = s.v; }
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#define MARK_END(s) { s.end = s.offset; }
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