Added a utils::processor namespace and a function to determine if, the processor the program is running on, is little-endian or big-endian.

2 files changed, 89 insertions, 0 deletions

diff --git a/src/utils/processorutils.cpp b/src/utils/processorutils.cpp
new file mode 100644
index 00000000..8cbab3e7
--- /dev/null
+++ b/src/utils/processorutils.cpp
@@ -0,0 +1,37 @@
+/*
+ *  The Mana World Server
+ *  Copyright 2007 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id$
+ */
+
+#include "utils/processorutils.hpp"
+
+bool utils::processor::isLittleEndian;
+
+void utils::processor::init()
+{
+    utils::processor::isLittleEndian = utils::processor::littleEndianCheck();
+}
+
+bool utils::processor::littleEndianCheck()
+{
+   short int word = 0x0001;     // Store 0x0001 in a 16-bit int.
+   char *byte = (char *) &word; // 'byte' points to the first byte in word.
+   return(byte[0]);          // byte[0] will be 1 on little-endian processors.
+}
diff --git a/src/utils/processorutils.hpp b/src/utils/processorutils.hpp
new file mode 100644
index 00000000..f426781e
--- /dev/null
+++ b/src/utils/processorutils.hpp
@@ -0,0 +1,52 @@
+/*
+ *  The Mana World Server
+ *  Copyright 2007 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id$
+ */
+
+#ifndef _TMWSERV_PROCESSORUTILS_HPP
+#define _TMWSERV_PROCESSORUTILS_HPP
+
+namespace utils
+{
+    namespace processor
+    {
+        /**
+         * \brief Initialises the processor utils.
+         *
+         * Does runtime checks, of which the results are stored in variables
+         * in this namespace.
+         */
+        void init();
+
+        /**
+         * True if the processor is little-endian
+         *
+         */
+        extern bool isLittleEndian;
+
+        /**
+         * Returns true if the processor is little-endian.
+         */
+        bool littleEndianCheck();
+
+    } // namespace processor
+} // namespace utils
+
+#endif // _TMWSERV_TOKENDISPENSER_HPP