| #ifndef _TOOLS_PERF_LINUX_BUG_H | |
| #define _TOOLS_PERF_LINUX_BUG_H | |
| /* Force a compilation error if condition is true, but also produce a | |
| result (of value 0 and type size_t), so the expression can be used | |
| e.g. in a structure initializer (or where-ever else comma expressions | |
| aren't permitted). */ | |
| #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) | |
| #endif /* _TOOLS_PERF_LINUX_BUG_H */ |