1 /* 2 * WinPR: Windows Portable Runtime 3 * Endianness Macros 4 * 5 * Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com> 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 #ifndef WINPR_ENDIAN_H 21 #define WINPR_ENDIAN_H 22 23 #include <winpr/winpr.h> 24 #include <winpr/wtypes.h> 25 #include <winpr/platform.h> 26 27 #ifdef __cplusplus 28 extern "C" 29 { 30 #endif 31 32 #define Data_Read_UINT8_NE(_d, _v) \ 33 do \ 34 { \ 35 _v = *((const BYTE*)_d); \ 36 } while (0) 37 38 #define Data_Read_UINT8(_d, _v) \ 39 do \ 40 { \ 41 _v = *((const BYTE*)_d); \ 42 } while (0) 43 44 #define Data_Read_UINT16_NE(_d, _v) \ 45 do \ 46 { \ 47 _v = *((const UINT16*)_d); \ 48 } while (0) 49 50 #define Data_Read_UINT16(_d, _v) \ 51 do \ 52 { \ 53 _v = (UINT16)(*((const BYTE*)_d)) + (UINT16)(((UINT16)(*((const BYTE*)_d + 1))) << 8); \ 54 } while (0) 55 56 #define Data_Read_UINT16_BE(_d, _v) \ 57 do \ 58 { \ 59 _v = (((UINT16)(*(const BYTE*)_d)) << 8) + (UINT16)(*((const BYTE*)_d + 1)); \ 60 } while (0) 61 62 #define Data_Read_UINT32_NE(_d, _v) \ 63 do \ 64 { \ 65 _v = *((UINT32*)_d); \ 66 } while (0) 67 68 #define Data_Read_UINT32(_d, _v) \ 69 do \ 70 { \ 71 _v = (UINT32)(*((const BYTE*)_d)) + (((UINT32)(*((const BYTE*)_d + 1))) << 8) + \ 72 (((UINT32)(*((const BYTE*)_d + 2))) << 16) + \ 73 (((UINT32)(*((const BYTE*)_d + 3))) << 24); \ 74 } while (0) 75 76 #define Data_Read_UINT32_BE(_d, _v) \ 77 do \ 78 { \ 79 _v = (((UINT32)(*((const BYTE*)_d))) << 24) + (((UINT32)(*((const BYTE*)_d + 1))) << 16) + \ 80 (((UINT32)(*((const BYTE*)_d + 2))) << 8) + (((UINT32)(*((const BYTE*)_d + 3)))); \ 81 } while (0) 82 83 #define Data_Read_UINT64_NE(_d, _v) \ 84 do \ 85 { \ 86 _v = *((UINT64*)_d); \ 87 } while (0) 88 89 #define Data_Read_UINT64(_d, _v) \ 90 do \ 91 { \ 92 _v = (UINT64)(*((const BYTE*)_d)) + (((UINT64)(*((const BYTE*)_d + 1))) << 8) + \ 93 (((UINT64)(*((const BYTE*)_d + 2))) << 16) + \ 94 (((UINT64)(*((const BYTE*)_d + 3))) << 24) + \ 95 (((UINT64)(*((const BYTE*)_d + 4))) << 32) + \ 96 (((UINT64)(*((const BYTE*)_d + 5))) << 40) + \ 97 (((UINT64)(*((const BYTE*)_d + 6))) << 48) + \ 98 (((UINT64)(*((const BYTE*)_d + 7))) << 56); \ 99 } while (0) 100 101 #define Data_Write_UINT8_NE(_d, _v) \ 102 do \ 103 { \ 104 *((UINT8*)_d) = v; \ 105 } while (0) 106 107 #define Data_Write_UINT8(_d, _v) \ 108 do \ 109 { \ 110 *_d = (UINT8)(_v); \ 111 } while (0) 112 113 #define Data_Write_UINT16_NE(_d, _v) \ 114 do \ 115 { \ 116 *((UINT16*)_d) = _v; \ 117 } while (0) 118 119 #define Data_Write_UINT16(_d, _v) \ 120 do \ 121 { \ 122 *((BYTE*)_d) = (_v)&0xFF; \ 123 *((BYTE*)_d + 1) = ((_v) >> 8) & 0xFF; \ 124 } while (0) 125 126 #define Data_Write_UINT16_BE(_d, _v) \ 127 do \ 128 { \ 129 *((BYTE*)_d) = ((_v) >> 8) & 0xFF; \ 130 *((BYTE*)_d + 1) = (_v)&0xFF; \ 131 } while (0) 132 133 #define Data_Write_UINT32_NE(_d, _v) \ 134 do \ 135 { \ 136 *((UINT32*)_d) = _v; \ 137 } while (0) 138 139 #define Data_Write_UINT32(_d, _v) \ 140 do \ 141 { \ 142 *((BYTE*)_d) = (_v)&0xFF; \ 143 *((BYTE*)_d + 1) = ((_v) >> 8) & 0xFF; \ 144 *((BYTE*)_d + 2) = ((_v) >> 16) & 0xFF; \ 145 *((BYTE*)_d + 3) = ((_v) >> 24) & 0xFF; \ 146 } while (0) 147 148 #define Data_Write_UINT32_BE(_d, _v) \ 149 do \ 150 { \ 151 Data_Write_UINT16_BE((BYTE*)_d, ((_v) >> 16 & 0xFFFF)); \ 152 Data_Write_UINT16_BE((BYTE*)_d + 2, ((_v)&0xFFFF)); \ 153 } while (0) 154 155 #define Data_Write_UINT64_NE(_d, _v) \ 156 do \ 157 { \ 158 *((UINT64*)_d) = _v; \ 159 } while (0) 160 161 #define Data_Write_UINT64(_d, _v) \ 162 do \ 163 { \ 164 *((BYTE*)_d) = (UINT64)(_v)&0xFF; \ 165 *((BYTE*)_d + 1) = ((UINT64)(_v) >> 8) & 0xFF; \ 166 *((BYTE*)_d + 2) = ((UINT64)(_v) >> 16) & 0xFF; \ 167 *((BYTE*)_d + 3) = ((UINT64)(_v) >> 24) & 0xFF; \ 168 *((BYTE*)_d + 4) = ((UINT64)(_v) >> 32) & 0xFF; \ 169 *((BYTE*)_d + 5) = ((UINT64)(_v) >> 40) & 0xFF; \ 170 *((BYTE*)_d + 6) = ((UINT64)(_v) >> 48) & 0xFF; \ 171 *((BYTE*)_d + 7) = ((UINT64)(_v) >> 56) & 0xFF; \ 172 } while (0) 173 174 #ifdef __cplusplus 175 } 176 #endif 177 178 #endif /* WINPR_ENDIAN_H */ 179