License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-block.git] / tools / include / linux / bug.h
CommitLineData
b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
379d61b1
ACM
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 */