102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/**
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* Orthanc - A Lightweight, RESTful DICOM Store
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* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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* Department, University Hospital of Liege, Belgium
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* Copyright (C) 2017-2023 Osimis S.A., Belgium
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* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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*
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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**/
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#include "PrecompiledHeaders.h"
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#include "MallocMemoryBuffer.h"
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#include "OrthancException.h"
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#include <string.h>
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namespace Orthanc
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{
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MallocMemoryBuffer::MallocMemoryBuffer() :
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buffer_(NULL),
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size_(0),
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free_(NULL)
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{
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}
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void MallocMemoryBuffer::Clear()
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{
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if (size_ != 0)
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{
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if (free_ == NULL)
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{
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throw OrthancException(ErrorCode_InternalError);
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}
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free_(buffer_);
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buffer_ = NULL;
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size_ = 0;
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free_ = NULL;
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}
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}
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void MallocMemoryBuffer::Assign(void* buffer,
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uint64_t size,
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FreeFunction freeFunction)
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{
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Clear();
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if (size != 0 &&
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buffer == NULL)
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{
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throw OrthancException(ErrorCode_NullPointer);
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}
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if (static_cast<uint64_t>(static_cast<size_t>(size)) != size)
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{
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freeFunction(buffer);
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throw OrthancException(ErrorCode_InternalError, "Buffer larger than 4GB, which is too large for Orthanc running in 32bits");
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}
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buffer_ = buffer;
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size_ = static_cast<size_t>(size);
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free_ = freeFunction;
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if (size_ != 0 &&
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free_ == NULL)
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{
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throw OrthancException(ErrorCode_ParameterOutOfRange, "No valid free() function provided");
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}
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}
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void MallocMemoryBuffer::MoveToString(std::string& target)
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{
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target.resize(size_);
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if (size_ != 0)
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{
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memcpy(&target[0], buffer_, size_);
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}
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Clear();
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}
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}
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