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Fix warnings and a bug in 64bit bitmap code

svn path=/trunk/; revision=63437
This commit is contained in:
Timo Kreuzer
2014-05-25 10:36:47 +00:00
parent ce1a5160ec
commit 84baf8d20a
1 changed files with 7 additions and 4 deletions
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reactos/lib/rtl/bitmap.c
+7 -4
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@@ -30,6 +30,9 @@ typedef ULONG64 BITMAP_BUFFER, *PBITMAP_BUFFER;
#undef BitScanForward
#define BitScanForward(Index, Mask) \
do { unsigned long tmp; BitScanForward64(&tmp, Mask); *Index = tmp; } while (0)
#undef BitScanReverse
#define BitScanReverse(Index, Mask) \
do { unsigned long tmp; BitScanReverse64(&tmp, Mask); *Index = tmp; } while (0)
#define RtlFillMemoryUlong RtlFillMemoryUlonglong
#define RtlInitializeBitMap RtlInitializeBitMap64
@@ -734,7 +737,7 @@ RtlFindFirstRunClear(
return RtlFindNextForwardRunClear(BitMapHeader, 0, StartingIndex);
}
ULONG
BITMAP_INDEX
NTAPI
RtlFindLastBackwardRunClear(
_In_ PRTL_BITMAP BitMapHeader,
@@ -771,7 +774,7 @@ RtlFindLastBackwardRunClear(
BitScanReverse(&BitPos, InvValue);
/* Calculate last bit position */
FromIndex = (Buffer + 1 - BitMapHeader->Buffer) * _BITCOUNT + BitPos;
FromIndex = (BITMAP_INDEX)((Buffer + 1 - BitMapHeader->Buffer) * _BITCOUNT + BitPos);
Value = ~InvValue << ((_BITCOUNT - 1) - BitPos) >> ((_BITCOUNT - 1) - BitPos);
@@ -787,7 +790,7 @@ RtlFindLastBackwardRunClear(
BitScanReverse(&BitPos, Value);
/* Calculate Starting Index */
*StartingRunIndex = (Buffer + 1 - BitMapHeader->Buffer) * _BITCOUNT + BitPos + 1;
*StartingRunIndex = (BITMAP_INDEX)((Buffer + 1 - BitMapHeader->Buffer) * _BITCOUNT + BitPos + 1);
}
else
{
@@ -796,7 +799,7 @@ RtlFindLastBackwardRunClear(
}
/* Return length of the run */
return FromIndex - *StartingRunIndex;
return (FromIndex - *StartingRunIndex);
}