tools/include/linux/bug.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   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 */