| dcd4ab9d |
1 | #include <stdint.h> |
| 2 | |
| 3 | uint16_t gffi_get_uint_16_swapped (uint8_t* location, int offset) |
| 4 | { |
| 5 | uint8_t buf[2]; |
| 6 | buf[1] = location[offset]; |
| 7 | buf[0] = location[offset + 1]; |
| 8 | return *(uint16_t*)buf; |
| 9 | } |
| 10 | |
| 11 | void gffi_set_uint_16_swapped (uint8_t* location, int offset, uint16_t value) |
| 12 | { |
| 13 | uint8_t *buf = (uint8_t*)&value; |
| 14 | |
| 15 | location[offset + 0] = buf[1]; |
| 16 | location[offset + 1] = buf[0]; |
| 17 | } |
| 18 | |
| 19 | uint32_t gffi_get_uint_32_swapped (uint8_t* location, int offset) |
| 20 | { |
| 21 | uint8_t buf[4]; |
| 22 | buf[3] = location[offset]; |
| 23 | buf[2] = location[offset + 1]; |
| 24 | buf[1] = location[offset + 2]; |
| 25 | buf[0] = location[offset + 3]; |
| 26 | return *(uint32_t*)buf; |
| 27 | } |
| 28 | |
| 29 | void gffi_set_uint_32_swapped (uint8_t* location, int offset, uint32_t value) |
| 30 | { |
| 31 | uint8_t *buf = (uint8_t*)&value; |
| 32 | |
| 33 | location[offset + 0] = buf[3]; |
| 34 | location[offset + 1] = buf[2]; |
| 35 | location[offset + 2] = buf[1]; |
| 36 | location[offset + 3] = buf[0]; |
| 37 | } |
| 38 | |
| 39 | uint64_t gffi_get_uint_64_swapped (uint8_t* location, int offset) |
| 40 | { |
| 41 | uint8_t buf[8]; |
| 42 | buf[7] = location[offset]; |
| 43 | buf[6] = location[offset + 1]; |
| 44 | buf[5] = location[offset + 2]; |
| 45 | buf[4] = location[offset + 3]; |
| 46 | buf[3] = location[offset + 4]; |
| 47 | buf[2] = location[offset + 5]; |
| 48 | buf[1] = location[offset + 6]; |
| 49 | buf[0] = location[offset + 7]; |
| 50 | return *(uint64_t*)buf; |
| 51 | } |
| 52 | |
| 53 | void gffi_set_uint_64_swapped (uint8_t* location, int offset, uint64_t value) |
| 54 | { |
| 55 | uint8_t *buf = (uint8_t*)&value; |
| 56 | |
| 57 | location[offset + 0] = buf[7]; |
| 58 | location[offset + 1] = buf[6]; |
| 59 | location[offset + 2] = buf[5]; |
| 60 | location[offset + 3] = buf[4]; |
| 61 | location[offset + 4] = buf[3]; |
| 62 | location[offset + 5] = buf[2]; |
| 63 | location[offset + 6] = buf[1]; |
| 64 | location[offset + 7] = buf[0]; |
| 65 | } |
| 66 | |
| 67 | int16_t gffi_get_int_16_swapped (int8_t* location, int offset) |
| 68 | { |
| 69 | int8_t buf[2]; |
| 70 | buf[1] = location[offset]; |
| 71 | buf[0] = location[offset + 1]; |
| 72 | return *(int16_t*)buf; |
| 73 | } |
| 74 | |
| 75 | void gffi_set_int_16_swapped (uint8_t* location, int offset, int16_t value) |
| 76 | { |
| 77 | uint8_t *buf = (uint8_t*)&value; |
| 78 | |
| 79 | location[offset + 0] = buf[1]; |
| 80 | location[offset + 1] = buf[0]; |
| 81 | } |
| 82 | |
| 83 | int32_t gffi_get_int_32_swapped (int8_t* location, int offset) |
| 84 | { |
| 85 | int8_t buf[4]; |
| 86 | buf[3] = location[offset]; |
| 87 | buf[2] = location[offset + 1]; |
| 88 | buf[1] = location[offset + 2]; |
| 89 | buf[0] = location[offset + 3]; |
| 90 | return *(int32_t*)buf; |
| 91 | } |
| 92 | |
| 93 | void gffi_set_int_32_swapped (uint8_t* location, int offset, int32_t value) |
| 94 | { |
| 95 | uint8_t *buf = (uint8_t*)&value; |
| 96 | |
| 97 | location[offset + 0] = buf[3]; |
| 98 | location[offset + 1] = buf[2]; |
| 99 | location[offset + 2] = buf[1]; |
| 100 | location[offset + 3] = buf[0]; |
| 101 | } |
| 102 | |
| 103 | int64_t gffi_get_int_64_swapped (int8_t* location, int offset) |
| 104 | { |
| 105 | int8_t buf[8]; |
| 106 | buf[7] = location[offset]; |
| 107 | buf[6] = location[offset + 1]; |
| 108 | buf[5] = location[offset + 2]; |
| 109 | buf[4] = location[offset + 3]; |
| 110 | buf[3] = location[offset + 4]; |
| 111 | buf[2] = location[offset + 5]; |
| 112 | buf[1] = location[offset + 6]; |
| 113 | buf[0] = location[offset + 7]; |
| 114 | return *(int64_t*)buf; |
| 115 | } |
| 116 | |
| 117 | void gffi_set_int_64_swapped (uint8_t* location, int offset, int64_t value) |
| 118 | { |
| 119 | uint8_t *buf = (uint8_t*)&value; |
| 120 | |
| 121 | location[offset + 0] = buf[7]; |
| 122 | location[offset + 1] = buf[6]; |
| 123 | location[offset + 2] = buf[5]; |
| 124 | location[offset + 3] = buf[4]; |
| 125 | location[offset + 4] = buf[3]; |
| 126 | location[offset + 5] = buf[2]; |
| 127 | location[offset + 6] = buf[1]; |
| 128 | location[offset + 7] = buf[0]; |
| 129 | } |
| 130 | |
| 131 | float gffi_get_single_float_swapped (int8_t* location, int offset) |
| 132 | { |
| 133 | int8_t buf[4]; |
| 134 | buf[3] = location[offset]; |
| 135 | buf[2] = location[offset + 1]; |
| 136 | buf[1] = location[offset + 2]; |
| 137 | buf[0] = location[offset + 3]; |
| 138 | return *(float*)buf; |
| 139 | } |
| 140 | |
| 141 | void gffi_set_single_float_swapped (uint8_t* location, int offset, float value) |
| 142 | { |
| 143 | uint8_t *buf = (uint8_t*)&value; |
| 144 | |
| 145 | location[offset + 0] = buf[3]; |
| 146 | location[offset + 1] = buf[2]; |
| 147 | location[offset + 2] = buf[1]; |
| 148 | location[offset + 3] = buf[0]; |
| 149 | } |
| 150 | |
| 151 | double gffi_get_double_float_swapped (int8_t* location, int offset) |
| 152 | { |
| 153 | int8_t buf[8]; |
| 154 | buf[7] = location[offset]; |
| 155 | buf[6] = location[offset + 1]; |
| 156 | buf[5] = location[offset + 2]; |
| 157 | buf[4] = location[offset + 3]; |
| 158 | buf[3] = location[offset + 4]; |
| 159 | buf[2] = location[offset + 5]; |
| 160 | buf[1] = location[offset + 6]; |
| 161 | buf[0] = location[offset + 7]; |
| 162 | return *(double*)buf; |
| 163 | } |
| 164 | |
| 165 | void gffi_set_double_float_swapped (uint8_t* location, int offset, double value) |
| 166 | { |
| 167 | uint8_t *buf = (uint8_t*)&value; |
| 168 | |
| 169 | location[offset + 0] = buf[7]; |
| 170 | location[offset + 1] = buf[6]; |
| 171 | location[offset + 2] = buf[5]; |
| 172 | location[offset + 3] = buf[4]; |
| 173 | location[offset + 4] = buf[3]; |
| 174 | location[offset + 5] = buf[2]; |
| 175 | location[offset + 6] = buf[1]; |
| 176 | location[offset + 7] = buf[0]; |
| 177 | } |
~mdw / clg / blame