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379d61b1c7
With just what we will need in the upcoming changesets, the BUILD_BUG_ON_ZERO() definition. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-lw8zg7x6ttwcvqhp90mwe3vo@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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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