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- Apply Art's bitmap patch from the branch, and change the other 2 functions similarly (bit set & clear).

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svn path=/trunk/; revision=36533
This commit is contained in:
Aleksey Bragin 2008-09-26 09:42:15 +00:00
parent 5da1fe223d
commit c31a4dabe1
1 changed files with 10 additions and 20 deletions
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30
reactos/lib/rtl/bitmap.c
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@ -440,12 +440,12 @@ NTAPI
RtlClearBit(PRTL_BITMAP BitMapHeader,
ULONG BitNumber)
{
PULONG Ptr;
PUCHAR Ptr;
if (BitNumber >= BitMapHeader->SizeOfBitMap) return;
Ptr = (PULONG)BitMapHeader->Buffer + (BitNumber / 32);
*Ptr &= ~(1 << (BitNumber % 32));
Ptr = (PUCHAR)BitMapHeader->Buffer + (BitNumber / 8);
*Ptr &= ~(1 << (BitNumber % 8));
}
/*
@ -457,7 +457,7 @@ RtlClearBits(IN PRTL_BITMAP BitMapHeader,
IN ULONG StartingIndex,
IN ULONG NumberToClear)
{
LPBYTE lpOut;
LPBYTE lpOut;
if (!BitMapHeader || !NumberToClear ||
StartingIndex >= BitMapHeader->SizeOfBitMap ||
@ -540,12 +540,6 @@ RtlFindClearBits(PRTL_BITMAP BitMapHeader,
return ~0U;
}
/*
* @implemented
*/
@ -558,7 +552,6 @@ RtlFindClearRuns(PRTL_BITMAP BitMapHeader,
return NTDLL_FindRuns(BitMapHeader, RunArray, SizeOfRunArray, LocateLongestRuns, NTDLL_FindClearRun);
}
/*
* @unimplemented
*/
@ -745,9 +738,6 @@ RtlFindSetBitsAndClear(PRTL_BITMAP BitMapHeader,
}
/*
* @implemented
*/
@ -797,14 +787,14 @@ VOID NTAPI
RtlSetBit(PRTL_BITMAP BitMapHeader,
ULONG BitNumber)
{
PULONG Ptr;
PUCHAR Ptr;
if (BitNumber >= BitMapHeader->SizeOfBitMap)
return;
Ptr = (PULONG)BitMapHeader->Buffer + (BitNumber / 32);
Ptr = (PUCHAR)BitMapHeader->Buffer + (BitNumber / 8);
*Ptr |= (1 << (BitNumber % 32));
*Ptr |= (1 << (BitNumber % 8));
}
@ -867,14 +857,14 @@ BOOLEAN NTAPI
RtlTestBit(PRTL_BITMAP BitMapHeader,
ULONG BitNumber)
{
PULONG Ptr;
PUCHAR Ptr;
if (BitNumber >= BitMapHeader->SizeOfBitMap)
return FALSE;
Ptr = (PULONG)BitMapHeader->Buffer + (BitNumber / 32);
Ptr = (PUCHAR)BitMapHeader->Buffer + (BitNumber / 8);
return (BOOLEAN)(*Ptr & (1 << (BitNumber % 32)));
return (BOOLEAN)(*Ptr & (1 << (BitNumber % 8)));
}
/*