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/*
-----------------------------------------------------------------------
Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
2014-2016, CWI, Amsterdam
Contact: astra@uantwerpen.be
Website: http://www.astra-toolbox.com/
This file is part of the 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/>.
-----------------------------------------------------------------------
*/
#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 */
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