Mercurial > hg > orthanc
view OrthancFramework/Sources/MallocMemoryBuffer.cpp @ 5940:327618bac696
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 17 Dec 2024 15:48:33 +0100 |
parents | f7adfb22e20e |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "PrecompiledHeaders.h" #include "MallocMemoryBuffer.h" #include "OrthancException.h" #include <string.h> namespace Orthanc { MallocMemoryBuffer::MallocMemoryBuffer() : buffer_(NULL), size_(0), free_(NULL) { } void MallocMemoryBuffer::Clear() { if (size_ != 0) { if (free_ == NULL) { throw OrthancException(ErrorCode_InternalError); } free_(buffer_); buffer_ = NULL; size_ = 0; free_ = NULL; } } void MallocMemoryBuffer::Assign(void* buffer, uint64_t size, FreeFunction freeFunction) { Clear(); if (size != 0 && buffer == NULL) { throw OrthancException(ErrorCode_NullPointer); } if (static_cast<uint64_t>(static_cast<size_t>(size)) != size) { freeFunction(buffer); throw OrthancException(ErrorCode_InternalError, "Buffer larger than 4GB, which is too large for Orthanc running in 32bits"); } buffer_ = buffer; size_ = size; free_ = freeFunction; if (size_ != 0 && free_ == NULL) { throw OrthancException(ErrorCode_ParameterOutOfRange, "No valid free() function provided"); } } void MallocMemoryBuffer::MoveToString(std::string& target) { target.resize(size_); if (size_ != 0) { memcpy(&target[0], buffer_, size_); } Clear(); } }