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acf6c79d9b
Note: This adds support for using jemalloc on FreeBSD, Mac OS X Lion and a few other platforms (not enabled by default) Please read dep/jemalloc/ChangeLog for further information (Changed from 2.1.1 and up apply)
24 lines
370 B
C
24 lines
370 B
C
#ifndef strings_h
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#define strings_h
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/* MSVC doesn't define ffs/ffsl. This dummy strings.h header is provided
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* for both */
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#include <intrin.h>
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#pragma intrinsic(_BitScanForward)
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static __forceinline int ffsl(long x)
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{
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unsigned long i;
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if (_BitScanForward(&i, x))
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return (i + 1);
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return (0);
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}
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static __forceinline int ffs(int x)
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{
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return (ffsl(x));
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}
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#endif
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