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https://github.com/reactos/reactos.git
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8c002db0c2
- winnt.h: respect WIN32_NO_STATUS for DBG codes. - rtl: change STDCALL to NTAPI - everything else: add precompiled headers where missing, define WIN32_NO_STATUS. svn path=/trunk/; revision=18598
58 lines
849 B
C
58 lines
849 B
C
/* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/rtl/bit.c
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* PROGRAMER: Eric Kohl
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*/
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/* INCLUDES *****************************************************************/
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#include <rtl.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ****************************************************************/
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/*
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* @implemented
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*/
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CCHAR NTAPI
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RtlFindLeastSignificantBit(IN ULONGLONG Set)
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{
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int i;
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if (Set == 0ULL)
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return -1;
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for (i = 0; i < 64; i++)
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{
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if (Set & (1 << i))
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return (CCHAR)i;
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}
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return -1;
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}
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/*
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* @implemented
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*/
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CCHAR NTAPI
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RtlFindMostSignificantBit(IN ULONGLONG Set)
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{
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int i;
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if (Set == 0ULL)
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return -1;
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for (i = 63; i >= 0; i--)
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{
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if (Set & (1 << i))
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return (CCHAR)i;
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}
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return -1;
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}
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/* EOF */
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