12 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _TOOLS_PERF_LINUX_BUG_H3#define _TOOLS_PERF_LINUX_BUG_H4 5/* Force a compilation error if condition is true, but also produce a6 result (of value 0 and type size_t), so the expression can be used7 e.g. in a structure initializer (or where-ever else comma expressions8 aren't permitted). */9#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))10 11#endif /* _TOOLS_PERF_LINUX_BUG_H */12