1 files changed, 83 insertions, 0 deletions
diff --git a/include/astra/PlatformDepSystemCode.h b/include/astra/PlatformDepSystemCode.h
new file mode 100644
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+++ b/include/astra/PlatformDepSystemCode.h
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+/*
+-----------------------------------------------------------------------
+Copyright 2012 iMinds-Vision Lab, University of Antwerp
+
+Contact: astra@ua.ac.be
+Website: http://astra.ua.ac.be
+
+
+This file is part of the
+All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox").
+
+The ASTRA Toolbox 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 3 of the License, or
+(at your option) any later version.
+
+The ASTRA Toolbox 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 ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
+
+-----------------------------------------------------------------------
+$Id$
+*/
+
+#ifndef PLATFORMDEPSYSTEMCODE_H
+#define PLATFORMDEPSYSTEMCODE_H
+
+#include <cstdio>
+
+#ifndef _WIN32
+#include <stdint.h>
+#endif
+
+namespace astra
+{
+
+#ifdef _WIN32
+	typedef __int64 int64;
+#else
+	typedef int64_t int64;
+#endif
+
+class CPlatformDepSystemCode
+{
+public:
+	
+	/**
+	 * Clock with resolution of 1 ms. Windows implementation will return number of ms since system start,
+	 * but this is not a requirement for the implementation. Just as long as the subtraction of two acquired
+	 * values will result in a time interval in ms.
+	 *
+	 * @return a value that increases with 1 every ms
+	 */
+	static unsigned long getMSCount();
+
+	/**
+	 * fseek variant that works with 64 bit ints. 
+	 *
+	 * @param _pStream file handler of file in which needs to be seek-ed
+	 * @param _iOffset 64 bit int telling the new offset in the file
+	 * @param _iOrigin typical fseek directive telling how _iOffset needs to be interpreted (SEEK_SET, ...)
+	 *
+	 * @return 0 if successful
+	 */
+	static int fseek64(FILE * _pStream, astra::int64 _iOffset, int _iOrigin);
+
+	/**
+	 * 64-bit ftell variant
+	 *
+	 * @param _pStream file handle
+	 *
+	 * @return the position in the file
+	 */
+	static astra::int64 ftell64(FILE * _pStream);
+};
+
+}
+
+#endif /* PLATFORMDEPSYSTEMCODE_H */