Mercurial > hg > orthanc
annotate OrthancFramework/Sources/MallocMemoryBuffer.cpp @ 4764:cc02a2aa8bab
integration Orthanc-1.9.6->mainline
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 09 Aug 2021 08:50:04 +0200 |
parents | 64f06e7d5fc7 |
children | 7053502fbf97 |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 |
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23 #include "PrecompiledHeaders.h" |
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24 #include "MallocMemoryBuffer.h" |
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25 |
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26 #include "OrthancException.h" |
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27 |
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28 #include <string.h> |
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29 |
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30 |
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31 namespace Orthanc |
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32 { |
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33 MallocMemoryBuffer::MallocMemoryBuffer() : |
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34 buffer_(NULL), |
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35 size_(0), |
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36 free_(NULL) |
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37 { |
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38 } |
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39 |
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40 |
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41 void MallocMemoryBuffer::Clear() |
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42 { |
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43 if (size_ != 0) |
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44 { |
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45 if (free_ == NULL) |
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46 { |
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47 throw OrthancException(ErrorCode_InternalError); |
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48 } |
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49 |
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50 free_(buffer_); |
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51 buffer_ = NULL; |
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52 size_ = 0; |
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53 free_ = NULL; |
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54 } |
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55 } |
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56 |
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57 |
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58 void MallocMemoryBuffer::Assign(void* buffer, |
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59 size_t size, |
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60 FreeFunction freeFunction) |
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61 { |
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62 Clear(); |
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63 |
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64 buffer_ = buffer; |
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65 size_ = size; |
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66 free_ = freeFunction; |
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67 |
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68 if (size_ != 0 && |
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69 free_ == NULL) |
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70 { |
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71 throw OrthancException(ErrorCode_ParameterOutOfRange, "No valid free() function provided"); |
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72 } |
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73 } |
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74 |
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75 |
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76 void MallocMemoryBuffer::MoveToString(std::string& target) |
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77 { |
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78 target.resize(size_); |
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79 |
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80 if (size_ != 0) |
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81 { |
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82 memcpy(&target[0], buffer_, size_); |
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83 } |
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84 |
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85 Clear(); |
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86 } |
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87 } |