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Arnaldo Carvalho de Melo
379d61b1c7
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]>
11 lines
403 B
C
11 lines
403 B
C
#ifndef _TOOLS_PERF_LINUX_BUG_H
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#define _TOOLS_PERF_LINUX_BUG_H
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/* Force a compilation error if condition is true, but also produce a
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result (of value 0 and type size_t), so the expression can be used
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e.g. in a structure initializer (or where-ever else comma expressions
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aren't permitted). */
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#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
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#endif /* _TOOLS_PERF_LINUX_BUG_H */
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