Mercurial > hg > orthanc
annotate Core/Compression/DeflateBaseCompressor.cpp @ 2932:00504dcc996f
"SynchronousCMove" is now "true" by default
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 15 Nov 2018 11:35:35 +0100 |
parents | 878b59270859 |
children | d924f9bb61cc |
rev | line source |
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1512 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1512 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
1512 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "../PrecompiledHeaders.h" | |
35 #include "DeflateBaseCompressor.h" | |
36 | |
37 #include "../OrthancException.h" | |
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38 #include "../Logging.h" |
1512 | 39 |
1513 | 40 #include <string.h> |
41 | |
1512 | 42 namespace Orthanc |
43 { | |
44 void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) | |
45 { | |
46 if (level >= 10) | |
47 { | |
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48 LOG(ERROR) << "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"; |
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49 throw OrthancException(ErrorCode_ParameterOutOfRange); |
1512 | 50 } |
51 | |
52 compressionLevel_ = level; | |
53 } | |
1513 | 54 |
55 | |
56 uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, | |
57 size_t compressedSize) | |
58 { | |
59 if (compressedSize == 0) | |
60 { | |
61 return 0; | |
62 } | |
63 | |
64 if (compressedSize < sizeof(uint64_t)) | |
65 { | |
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66 LOG(ERROR) << "The compressed buffer is ill-formed"; |
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67 throw OrthancException(ErrorCode_CorruptedFile); |
1513 | 68 } |
69 | |
70 uint64_t size; | |
71 memcpy(&size, compressed, sizeof(uint64_t)); | |
72 | |
73 return size; | |
74 } | |
75 | |
1512 | 76 } |