Add debug header.

src/protocols/rdp/Makefile.am

@@ -89,6 +89,7 @@ noinst_HEADERS =                             \
 	guac_rdpsnd/rdpsnd_service.h             \
 	client.h                                 \
 	config.h                                 \
+	debug.h                                  \
 	default_pointer.h                        \
 	guac_handlers.h                          \
 	rdp_bitmap.h                             \

src/protocols/rdp/debug.h

@@ -0,0 +1,66 @@
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is libguac-client-rdp.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2011
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef __GUAC_RDP_DEBUG_H
+#define __GUAC_RDP_DEBUG_H
+
+#include <stdio.h>
+
+/* Ensure DEBUG is defined to a constant */
+#ifndef DEBUG
+#define DEBUG 0
+#endif
+
+/**
+ * Prints a message to STDERR using the given printf format string and
+ * arguments. This will only do anything if the DEBUG macro is defined
+ * and greater than the given log level.
+ *
+ * @param level The desired log level (an integer).
+ * @param fmt The format to use when printing.
+ * @param ... Arguments corresponding to conversion specifiers in the format
+ *            string.
+ */
+#define GUAC_RDP_DEBUG(level, fmt, ...)                           \
+    do {                                                          \
+        if (DEBUG >= level)                                       \
+            fprintf(stderr, "@@ DEBUG @@ %s:%d: %s(): " fmt "\n", \
+                    __FILE__, __LINE__, __func__, __VA_ARGS__);   \
+    } while (0);
+
+#endif
+