Mercurial > hg > orthanc
annotate Core/Endianness.h @ 2319:ae6245053bcf
made some manufacturer obsolete: MedInria (that was not used), Syngovia & AgfaImpax (replaced by GenericNoWildcardInDates) + added 'GenericNoWildcards'
| author | amazy |
|---|---|
| date | Thu, 13 Jul 2017 12:37:55 +0200 |
| parents | a3a65de1840f |
| children | 5edec967055e |
| rev | line source |
|---|---|
| 1938 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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shared copyright with osimis
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5 * Copyright (C) 2017 Osimis, Belgium |
| 1938 | 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 #pragma once | |
| 35 | |
| 36 | |
| 37 /******************************************************************** | |
| 38 ** LINUX ARCHITECTURES | |
| 39 ********************************************************************/ | |
| 40 | |
|
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325772dadcd6
Macro "__linux" (now obsolete) replaced by macro "__linux__"
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41 #if defined(__linux__) |
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42 # define ORTHANC_HAS_BUILTIN_BYTE_SWAP 1 |
| 1938 | 43 # include <endian.h> |
| 44 #endif | |
| 45 | |
| 46 | |
| 47 /******************************************************************** | |
| 48 ** WINDOWS ARCHITECTURES | |
| 49 ** | |
|
1950
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50 ** On Windows x86, "host" will always be little-endian ("le"). |
| 1938 | 51 ********************************************************************/ |
| 52 | |
| 53 #if defined(_WIN32) | |
| 54 # if defined(_MSC_VER) | |
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55 // Visual Studio - http://msdn.microsoft.com/en-us/library/a3140177.aspx |
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56 # define ORTHANC_HAS_BUILTIN_BYTE_SWAP 1 |
| 1938 | 57 # define be16toh(x) _byteswap_ushort(x) |
| 58 # define be32toh(x) _byteswap_ulong(x) | |
| 59 # define be64toh(x) _byteswap_uint64(x) | |
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60 # elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) |
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61 // MinGW >= 4.3 - Use builtin intrinsic for byte swapping |
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62 # define ORTHANC_HAS_BUILTIN_BYTE_SWAP 1 |
| 1938 | 63 # define be16toh(x) __builtin_bswap16(x) |
| 64 # define be32toh(x) __builtin_bswap32(x) | |
| 65 # define be64toh(x) __builtin_bswap64(x) | |
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66 # else |
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67 // MinGW <= 4.2, we must manually implement the byte swapping |
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68 # define ORTHANC_HAS_BUILTIN_BYTE_SWAP 0 |
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69 # define be16toh(x) __orthanc_bswap16(x) |
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70 # define be32toh(x) __orthanc_bswap32(x) |
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71 # define be64toh(x) __orthanc_bswap64(x) |
| 1938 | 72 # endif |
| 73 | |
| 74 # define htobe16(x) be16toh(x) | |
| 75 # define htobe32(x) be32toh(x) | |
| 76 # define htobe64(x) be64toh(x) | |
| 77 | |
| 78 # define htole16(x) x | |
| 79 # define htole32(x) x | |
| 80 # define htole64(x) x | |
| 81 | |
| 82 # define le16toh(x) x | |
| 83 # define le32toh(x) x | |
| 84 # define le64toh(x) x | |
| 85 #endif | |
| 86 | |
| 87 | |
| 88 /******************************************************************** | |
| 89 ** FREEBSD ARCHITECTURES | |
| 90 ********************************************************************/ | |
| 91 | |
| 92 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) | |
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93 # define ORTHANC_HAS_BUILTIN_BYTE_SWAP 1 |
| 1938 | 94 # include <arpa/inet.h> |
| 95 #endif | |
| 96 | |
| 97 | |
| 98 /******************************************************************** | |
| 99 ** APPLE ARCHITECTURES (including OS X) | |
| 100 ********************************************************************/ | |
| 101 | |
| 102 #if defined(__APPLE__) | |
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103 # define ORTHANC_HAS_BUILTIN_BYTE_SWAP 1 |
| 1938 | 104 # include <libkern/OSByteOrder.h> |
| 105 # define be16toh(x) OSSwapBigToHostInt16(x) | |
| 106 # define be32toh(x) OSSwapBigToHostInt32(x) | |
| 107 # define be64toh(x) OSSwapBigToHostInt64(x) | |
| 108 | |
| 109 # define htobe16(x) OSSwapHostToBigInt16(x) | |
| 110 # define htobe32(x) OSSwapHostToBigInt32(x) | |
| 111 # define htobe64(x) OSSwapHostToBigInt64(x) | |
| 112 | |
| 113 # define htole16(x) OSSwapHostToLittleInt16(x) | |
| 114 # define htole32(x) OSSwapHostToLittleInt32(x) | |
| 115 # define htole64(x) OSSwapHostToLittleInt64(x) | |
| 116 | |
| 117 # define le16toh(x) OSSwapLittleToHostInt16(x) | |
| 118 # define le32toh(x) OSSwapLittleToHostInt32(x) | |
| 119 # define le64toh(x) OSSwapLittleToHostInt64(x) | |
| 120 #endif | |
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121 |
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122 |
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123 /******************************************************************** |
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124 ** PORTABLE (BUT SLOW) IMPLEMENTATION OF BYTE-SWAPPING |
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125 ********************************************************************/ |
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126 |
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127 #if ORTHANC_HAS_BUILTIN_BYTE_SWAP != 1 |
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128 |
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129 #include <stdint.h> |
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130 |
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131 static inline uint16_t __orthanc_bswap16(uint16_t a) |
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132 { |
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133 return (a << 8) | (a >> 8); |
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134 } |
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135 |
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136 static inline uint32_t __orthanc_bswap32(uint32_t a) |
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137 { |
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138 const uint8_t* p = reinterpret_cast<const uint8_t*>(&a); |
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139 return (static_cast<uint32_t>(p[0]) << 24 | |
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140 static_cast<uint32_t>(p[1]) << 16 | |
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141 static_cast<uint32_t>(p[2]) << 8 | |
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142 static_cast<uint32_t>(p[3])); |
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143 } |
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144 |
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145 static inline uint64_t __orthanc_bswap64(uint64_t a) |
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146 { |
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147 const uint8_t* p = reinterpret_cast<const uint8_t*>(&a); |
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148 return (static_cast<uint64_t>(p[0]) << 56 | |
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149 static_cast<uint64_t>(p[1]) << 48 | |
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150 static_cast<uint64_t>(p[2]) << 40 | |
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151 static_cast<uint64_t>(p[3]) << 32 | |
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152 static_cast<uint64_t>(p[4]) << 24 | |
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153 static_cast<uint64_t>(p[5]) << 16 | |
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154 static_cast<uint64_t>(p[6]) << 8 | |
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155 static_cast<uint64_t>(p[7])); |
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156 } |
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157 |
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158 #endif |