Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 1 | #ifndef BYTE_DWORD |
| 2 | #define BYTE_DWORD |
| 3 | |
| 4 | /* Copyright 2007,2009 Alain Knaff. |
| 5 | * This file is part of mtools. |
| 6 | * |
| 7 | * Mtools is free software: you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation, either version 3 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * Mtools is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with Mtools. If not, see <http://www.gnu.org/licenses/>. |
| 19 | */ |
| 20 | |
| 21 | static Dword byte2dword(Byte* val) |
| 22 | { |
| 23 | Dword l; |
| 24 | l = (Dword)((val[0] << 24) + (val[1] << 16) + (val[2] << 8) + val[3]); |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 25 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 26 | return l; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 27 | } |
| 28 | |
| 29 | UNUSED(static int32_t byte2sdword(Byte* val)) |
| 30 | { |
| 31 | int32_t l; |
| 32 | l = (int32_t)((val[0] << 24) + (val[1] << 16) + (val[2] << 8) + val[3]); |
| 33 | |
| 34 | return l; |
| 35 | } |
| 36 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 37 | |
| 38 | UNUSED(static Qword byte2qword(Byte* val)) |
| 39 | { |
| 40 | Qword l; |
| 41 | l = val[0]; |
| 42 | l = (l << 8) | val[1]; |
| 43 | l = (l << 8) | val[2]; |
| 44 | l = (l << 8) | val[3]; |
| 45 | l = (l << 8) | val[4]; |
| 46 | l = (l << 8) | val[5]; |
| 47 | l = (l << 8) | val[6]; |
| 48 | l = (l << 8) | val[7]; |
| 49 | return l; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 50 | } |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 51 | |
| 52 | static void dword2byte(Dword parm, Byte* rval) |
| 53 | { |
| 54 | rval[0] = (parm >> 24) & 0xff; |
| 55 | rval[1] = (parm >> 16) & 0xff; |
| 56 | rval[2] = (parm >> 8) & 0xff; |
| 57 | rval[3] = parm & 0xff; |
| 58 | } |
| 59 | |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 60 | UNUSED(static void sdword2byte(int32_t parm, Byte* rval)) |
| 61 | { |
| 62 | rval[0] = (parm >> 24) & 0xff; |
| 63 | rval[1] = (parm >> 16) & 0xff; |
| 64 | rval[2] = (parm >> 8) & 0xff; |
| 65 | rval[3] = parm & 0xff; |
| 66 | } |
| 67 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 68 | UNUSED(static void qword2byte(Qword parm, Byte* rval)) |
| 69 | { |
| 70 | rval[0] = (parm >> 56) & 0xff; |
| 71 | rval[1] = (parm >> 48) & 0xff; |
| 72 | rval[2] = (parm >> 40) & 0xff; |
| 73 | rval[3] = (parm >> 32) & 0xff; |
| 74 | rval[4] = (parm >> 24) & 0xff; |
| 75 | rval[5] = (parm >> 16) & 0xff; |
| 76 | rval[6] = (parm >> 8) & 0xff; |
| 77 | rval[7] = parm & 0xff; |
| 78 | } |
| 79 | |
| 80 | #endif |