| /************************************************************************** |
| * |
| * Copyright (C) 2019 Chromium. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef VIRGL_UTIL_H |
| #define VIRGL_UTIL_H |
| |
| #include <stdint.h> |
| #include <stdbool.h> |
| |
| #define BIT(n) (UINT32_C(1) << (n)) |
| |
| static inline bool has_bit(uint32_t mask, uint32_t bit) |
| { |
| return !!(mask & bit); |
| } |
| |
| static inline bool has_bits(uint32_t mask, uint32_t bits) |
| { |
| return !!((mask & bits) == bits); |
| } |
| |
| static inline bool is_only_bit(uint32_t mask, uint32_t bit) |
| { |
| return (mask == bit); |
| } |
| |
| unsigned hash_func_u32(void *key); |
| |
| int compare_func(void *key1, void *key2); |
| |
| #endif /* VIRGL_UTIL_H */ |