Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _TOOLS_PERF_LINUX_BUG_H | ||||
3 | #define _TOOLS_PERF_LINUX_BUG_H | ||||
4 | |||||
5 | /* Force a compilation error if condition is true, but also produce a | ||||
6 | result (of value 0 and type size_t), so the expression can be used | ||||
7 | e.g. in a structure initializer (or where-ever else comma expressions | ||||
8 | aren't permitted). */ | ||||
9 | #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) | ||||
10 | |||||
11 | #endif /* _TOOLS_PERF_LINUX_BUG_H */ |