1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef SOFTBUS_BITMAP_H 16 #define SOFTBUS_BITMAP_H 17 18 #include <stdbool.h> 19 #include <stdint.h> 20 21 #ifdef __cplusplus 22 #if __cplusplus 23 extern "C" { 24 #endif 25 #endif 26 27 28 #define DATA_ONE(y) (1 + ((y) - (y))) 29 #define SOFTBUS_BIT(n) (1U << (n)) 30 #define SOFTBUS_BITGET(x, bit) ((x) & (DATA_ONE(x) << (bit))) 31 #define SOFTBUS_BITSHIFT (x, bit) (((x) >> (bit)) & 1) 32 #define SOFTBUS_BITSGET(x, high, low) ((x) & (((DATA_ONE(x) << ((high) + 1)) - 1) & ~((DATA_ONE(x) << (low)) - 1))) 33 #define SOFTBUS_BITSSHIFT(x, high, low) (((x) >> (low)) & ((DATA_ONE(x) << ((high) - (low) + 1)) - 1)) 34 #define SOFTBUS_BITISSET (x, bit) (((x) & (DATA_ONE(x) << (bit))) ? 1 : 0) 35 36 void SoftbusBitmapSet(uint32_t *bitmap, const uint8_t pos); 37 void SoftbusBitmapClr(uint32_t *bitmap, const uint8_t pos); 38 bool SoftbusIsBitmapSet(const uint32_t *bitMap, const uint8_t pos); 39 40 #ifdef __cplusplus 41 #if __cplusplus 42 } 43 #endif /* __cplusplus */ 44 #endif /* __cplusplus */ 45 #endif /* SOFTBUS_BITMAP_H */