Files
Linux/tools/include/linux/bug.h
T
Arnaldo Carvalho de Melo 379d61b1c7 tools include: Introduce linux/bug.h, from the kernel sources
With just what we will need in the upcoming changesets, the
BUILD_BUG_ON_ZERO() definition.

Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2017-04-19 13:01:42 -03:00

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C

#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 */