include/linux/bug.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _TOOLS_PERF_LINUX_BUG_H
0003 #define _TOOLS_PERF_LINUX_BUG_H
0004
0005 /* Force a compilation error if condition is true, but also produce a
0006    result (of value 0 and type size_t), so the expression can be used
0007    e.g. in a structure initializer (or where-ever else comma expressions
0008    aren't permitted). */
0009 #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
0010
0011 #endif  /* _TOOLS_PERF_LINUX_BUG_H */