nxcomp: Switch to autoreconf.

1 files changed, 106 insertions, 0 deletions

diff --git a/nxcomp/src/Colormap.cpp b/nxcomp/src/Colormap.cpp
new file mode 100644
index 000000000..afe99ecae
--- /dev/null
+++ b/nxcomp/src/Colormap.cpp
@@ -0,0 +1,106 @@
+/**************************************************************************/
+/*                                                                        */
+/* 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;
+}