mirror of
https://github.com/uroni/urbackup_backend.git
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76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/*************************************************************************
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* UrBackup - Client/Server backup system
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* Copyright (C) 2011-2016 Martin Raiber
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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**************************************************************************/
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#include "ZlibDecompression.h"
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#include "../Interface/Server.h"
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using namespace CryptoPPCompat;
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size_t ZlibDecompression::decompress(const char *input, size_t input_size, std::vector<char> *output, bool flush, size_t output_off, bool *error)
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{
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try
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{
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decomp.Put((const byte*)input, input_size);
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decomp.Flush(true);
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size_t rc=(size_t)decomp.MaxRetrievable();
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if(rc>0)
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{
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if(output->size()<rc+output_off)
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{
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output->resize(rc+output_off);
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}
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return decomp.Get((byte*)(&(*output)[output_off]), rc);
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}
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else
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{
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return 0;
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}
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}
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catch(const CryptoPP::ZlibDecompressor::Err& err)
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{
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Server->Log("Error during ZLib decompression: "+err.GetWhat(), LL_WARNING);
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if(error!=nullptr)
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{
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*error=true;
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}
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return 0;
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}
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}
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size_t ZlibDecompression::decompress( const char *input, size_t input_size, char* output, size_t output_size, bool flush, bool *error)
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{
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try
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{
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decomp.Put((const byte*)input, input_size);
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if(flush)
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{
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decomp.Flush(true);
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}
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return decomp.Get(reinterpret_cast<byte*>(output), output_size);
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}
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catch(const CryptoPP::ZlibDecompressor::Err& err)
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{
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Server->Log("Error during ZLib decompression: "+err.GetWhat(), LL_WARNING);
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if(error!=nullptr)
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{
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*error=true;
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}
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return 0;
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}
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}
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