2024-03-19 17:45:12 +08:00

71 lines
3.5 KiB
C++

/**************************************************************************************/
/* */
/* Visualization Library */
/* http://visualizationlibrary.org */
/* */
/* Copyright (c) 2005-2020, Michele Bosi */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without modification, */
/* are permitted provided that the following conditions are met: */
/* */
/* - Redistributions of source code must retain the above copyright notice, this */
/* list of conditions and the following disclaimer. */
/* */
/* - Redistributions in binary form must reproduce the above copyright notice, this */
/* list of conditions and the following disclaimer in the documentation and/or */
/* other materials provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/**************************************************************************************/
#ifndef MD5CheckSum_INCLUDE_ONCE
#define MD5CheckSum_INCLUDE_ONCE
#include <vlCore/link_config.hpp>
#include <string>
#include <string.h>
namespace vl
{
class VirtualFile;
/**
* Computes the MD5 of a given buffer or VirtualFile.
*/
class VLCORE_EXPORT MD5CheckSum
{
public:
MD5CheckSum() { memset(mMD5, 0, 16); }
const unsigned char* md5() const { return mMD5; }
std::string toStdString() const;
void compute(void* buffer, int len);
void compute(VirtualFile* file);
bool operator==(const MD5CheckSum& other) const { return memcmp(mMD5, other.mMD5, 16) == 0; }
bool operator!=(const MD5CheckSum& other) const { return memcmp(mMD5, other.mMD5, 16) != 0; }
bool operator< (const MD5CheckSum& other) const { return memcmp(mMD5, other.mMD5, 16) < 0; }
protected:
unsigned char mMD5[16];
};
}
#endif