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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2017-06-30 20:13:51 +0200
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2017-07-26 10:12:43 +0200
commitf76c82403888bb498973ec974dbfd20e4edb02fe (patch)
treebe0cb6c112d9d9fb46387fbd114727510197ddec /nxcomp/src/Colormap.cpp
parent9193d11eeeea933e293acd5e0f03fa4e9887186b (diff)
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nxcomp: Switch to autoreconf.
Diffstat (limited to 'nxcomp/src/Colormap.cpp')
-rw-r--r--nxcomp/src/Colormap.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/nxcomp/src/Colormap.cpp b/nxcomp/src/Colormap.cpp
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+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
+/* */
+/* NXCOMP, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies. */
+/* */
+/* Redistribution and use of the present software is allowed according */
+/* to terms specified in the file LICENSE.nxcomp which comes in the */
+/* source distribution. */
+/* */
+/* All rights reserved. */
+/* */
+/* NOTE: This software has received contributions from various other */
+/* contributors, only the core maintainers and supporters are listed as */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well. */
+/* */
+/**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "Misc.h"
+#include "Unpack.h"
+#include "Colormap.h"
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+
+int UnpackColormap(unsigned char method, unsigned char *src_data, int src_size,
+ unsigned char *dst_data, int dst_size)
+{
+ if (*src_data == 0)
+ {
+ if (dst_size != src_size - 1)
+ {
+ #ifdef TEST
+ *logofs << "UnpackColormap: PANIC! Invalid destination size "
+ << dst_size << " with source " << src_size
+ << ".\n" << logofs_flush;
+ #endif
+
+ return -1;
+ }
+
+ #ifdef TEST
+ *logofs << "UnpackColormap: Expanding " << src_size - 1
+ << " bytes of plain colormap data.\n" << logofs_flush;
+ #endif
+
+ memcpy(dst_data, src_data + 1, src_size - 1);
+
+ return 1;
+ }
+
+ unsigned int check_size = dst_size;
+
+ int result = ZDecompress(&unpackStream, dst_data, &check_size,
+ src_data + 1, src_size - 1);
+
+ if (result != Z_OK)
+ {
+ #ifdef PANIC
+ *logofs << "UnpackColormap: PANIC! Failure decompressing colormap data. "
+ << "Error is '" << zError(result) << "'.\n"
+ << logofs_flush;
+ #endif
+
+ cerr << "Error" << ": Failure decompressing colormap data. "
+ << "Error is '" << zError(result) << "'.\n";
+
+ return -1;
+ }
+ else if (check_size != (unsigned int) dst_size)
+ {
+ #ifdef PANIC
+ *logofs << "UnpackColormap: PANIC! Size mismatch in colormap data. "
+ << "Resulting size is " << check_size << " with "
+ << "expected size " << dst_size << ".\n"
+ << logofs_flush;
+ #endif
+
+ cerr << "Error" << ": Size mismatch in colormap data. "
+ << "Resulting size is " << check_size << " with "
+ << "expected size " << dst_size << ".\n";
+
+ return -1;
+ }
+
+ #ifdef TEST
+ *logofs << "UnpackColormap: Decompressed " << src_size - 1
+ << " bytes to " << dst_size << " bytes of colormap data.\n"
+ << logofs_flush;
+ #endif
+
+ return 1;
+}