| Arnaldo Carvalho de Melo | 86ff378 | 2017-04-17 11:23:41 -0300 | [diff] [blame] | 1 | #ifndef _TOOLS_PERF_LINUX_BUG_H |
| 2 | #define _TOOLS_PERF_LINUX_BUG_H | ||||
| 3 | |||||
| 4 | /* Force a compilation error if condition is true, but also produce a | ||||
| 5 | result (of value 0 and type size_t), so the expression can be used | ||||
| 6 | e.g. in a structure initializer (or where-ever else comma expressions | ||||
| 7 | aren't permitted). */ | ||||
| 8 | #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) | ||||
| 9 | |||||
| 10 | #endif /* _TOOLS_PERF_LINUX_BUG_H */ | ||||