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Cleanup test code, improve comments.

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svn path=/trunk/; revision=44465
This commit is contained in:
Timo Kreuzer 2009-12-08 02:18:42 +00:00
parent 66fe9a0793
commit 4e6d2d7136
1 changed files with 6 additions and 6 deletions
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12
reactos/lib/rtl/bitmap.c
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@ -83,11 +83,12 @@ RtlpGetLengthOfRunClear(
/* Calculate length up to where we read */ /* Calculate length up to where we read */
Length = (Buffer - BitMapHeader->Buffer) * 32 - StartingIndex; Length = (Buffer - BitMapHeader->Buffer) * 32 - StartingIndex;
Length += BitPos - 32; Length += BitPos - 32;
/* Make sure we don't go past the last bit */
if (Length > BitMapHeader->SizeOfBitMap - StartingIndex) if (Length > BitMapHeader->SizeOfBitMap - StartingIndex)
Length = BitMapHeader->SizeOfBitMap - StartingIndex; Length = BitMapHeader->SizeOfBitMap - StartingIndex;
/* The result is guaranteed to be < BitMapHeader->SizeOfBitMap */ /* Return the result */
return Length; return Length;
} }
@ -132,10 +133,11 @@ RtlpGetLengthOfRunSet(
Length = (Buffer - BitMapHeader->Buffer) * 32 - StartingIndex; Length = (Buffer - BitMapHeader->Buffer) * 32 - StartingIndex;
Length += BitPos - 32; Length += BitPos - 32;
/* Make sure we don't go past the last bit */
if (Length > BitMapHeader->SizeOfBitMap - StartingIndex) if (Length > BitMapHeader->SizeOfBitMap - StartingIndex)
Length = BitMapHeader->SizeOfBitMap - StartingIndex; Length = BitMapHeader->SizeOfBitMap - StartingIndex;
/* The result is guaranteed to be < BitMapHeader->SizeOfBitMap */ /* Return the result */
return Length; return Length;
} }
@ -436,12 +438,10 @@ RtlFindClearBits(
/* Loop until something is found or the end is reached */ /* Loop until something is found or the end is reached */
while (CurrentBit + NumberToFind < BitMapHeader->SizeOfBitMap) while (CurrentBit + NumberToFind < BitMapHeader->SizeOfBitMap)
{ {
ULONG test;
/* Search for the next clear run, by skipping a set run */ /* Search for the next clear run, by skipping a set run */
test = RtlpGetLengthOfRunSet(BitMapHeader, CurrentBit += RtlpGetLengthOfRunSet(BitMapHeader,
CurrentBit, CurrentBit,
MAXULONG); MAXULONG);
CurrentBit += test;
/* Get length of the clear bit run */ /* Get length of the clear bit run */
CurrentLength = RtlpGetLengthOfRunClear(BitMapHeader, CurrentLength = RtlpGetLengthOfRunClear(BitMapHeader,