1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) Linux Test Project, 2021 4 * Author: Xie Ziyao <ziyaoxie@outlook.com> 5 */ 6 7 #ifndef TST_BITMAP_H__ 8 #define TST_BITMAP_H__ 9 10 /* 11 * Check whether the n-th bit of val is set 12 * @return 0: the n-th bit of val is 0, 1: the n-th bit of val is 1 13 */ 14 #define TST_IS_BIT_SET(val, n) (((val) & (1<<(n))) >> (n)) 15 16 #endif /* TST_BITMAP_H__ */ 17