Mercurial > hg > orthanc
view Core/Compression/DeflateBaseCompressor.cpp @ 1792:b769623c806c worklists
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Nov 2015 11:15:43 +0100 |
parents | bd1889029cbb |
children | b1291df2f780 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * * This program 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. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "../PrecompiledHeaders.h" #include "DeflateBaseCompressor.h" #include "../OrthancException.h" #include "../Logging.h" #include <string.h> namespace Orthanc { void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) { if (level >= 10) { LOG(ERROR) << "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"; throw OrthancException(ErrorCode_ParameterOutOfRange); } compressionLevel_ = level; } uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, size_t compressedSize) { if (compressedSize == 0) { return 0; } if (compressedSize < sizeof(uint64_t)) { LOG(ERROR) << "The compressed buffer is ill-formed"; throw OrthancException(ErrorCode_CorruptedFile); } uint64_t size; memcpy(&size, compressed, sizeof(uint64_t)); return size; } }