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