[tkreuzer] 59092: [RTL] Fix some annotations for bitmap code

Author: tkreuzer
Date: Mon May 27 20:20:33 2013
New Revision: 59092

URL: http://svn.reactos.org/svn/reactos?rev=59092&view=rev
Log:
[RTL]
Fix some annotations for bitmap code

Modified:
    trunk/reactos/lib/rtl/bitmap.c

Modified: trunk/reactos/lib/rtl/bitmap.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/bitmap.c?rev=59092&...
==============================================================================
--- trunk/reactos/lib/rtl/bitmap.c	[iso-8859-1] (original)
+++ trunk/reactos/lib/rtl/bitmap.c	[iso-8859-1] Mon May 27 20:20:33 2013
@@ -28,7 +28,8 @@
 #define RTL_BITMAP_RUN RTL_BITMAP_RUN64
 #define PRTL_BITMAP_RUN PRTL_BITMAP_RUN64
 #undef BitScanForward
-#define BitScanForward BitScanForward64
+#define BitScanForward(Index, Mask) \
+    do { unsigned long tmp; BitScanForward64(&tmp, Mask); *Index = tmp; } while (0)
 #define RtlFillMemoryUlong RtlFillMemoryUlonglong

#define RtlInitializeBitMap RtlInitializeBitMap64
@@ -245,8 +246,8 @@
 NTAPI
 RtlInitializeBitMap(
     _Out_ PRTL_BITMAP BitMapHeader,
-    _In_ PBITMAP_BUFFER BitMapBuffer,
-    _In_ BITMAP_INDEX SizeOfBitMap)
+    _In_opt_ __drv_aliasesMem PBITMAP_BUFFER BitMapBuffer,
+    _In_opt_ ULONG SizeOfBitMap)
 {
     /* Setup the bitmap header */
     BitMapHeader->SizeOfBitMap = SizeOfBitMap;
@@ -289,7 +290,7 @@
 NTAPI
 RtlSetBit(
     _In_ PRTL_BITMAP BitMapHeader,
-    _In_ BITMAP_INDEX BitNumber)
+    _In_range_(<, BitMapHeader->SizeOfBitMap) BITMAP_INDEX BitNumber)
 {
     ASSERT(BitNumber <= BitMapHeader->SizeOfBitMap);
     BitMapHeader->Buffer[BitNumber / _BITCOUNT] |= ((BITMAP_INDEX)1 << (BitNumber & (_BITCOUNT - 1)));
@@ -299,8 +300,8 @@
 NTAPI
 RtlClearBits(
     _In_ PRTL_BITMAP BitMapHeader,
-    _In_ BITMAP_INDEX StartingIndex,
-    _In_ BITMAP_INDEX NumberToClear)
+    _In_range_(0, BitMapHeader->SizeOfBitMap - NumberToClear) BITMAP_INDEX StartingIndex,
+    _In_range_(0, BitMapHeader->SizeOfBitMap - StartingIndex) BITMAP_INDEX NumberToClear)
 {
     BITMAP_INDEX Bits, Mask;
     PBITMAP_BUFFER Buffer;
@@ -356,8 +357,8 @@
 NTAPI
 RtlSetBits(
     _In_ PRTL_BITMAP BitMapHeader,
-    _In_ BITMAP_INDEX StartingIndex,
-    _In_ BITMAP_INDEX NumberToSet)
+    _In_range_(0, BitMapHeader->SizeOfBitMap - NumberToSet) BITMAP_INDEX StartingIndex,
+    _In_range_(0, BitMapHeader->SizeOfBitMap - StartingIndex) BITMAP_INDEX NumberToSet)
 {
     BITMAP_INDEX Bits, Mask;
     PBITMAP_BUFFER Buffer;
@@ -413,7 +414,7 @@
 NTAPI
 RtlTestBit(
     _In_ PRTL_BITMAP BitMapHeader,
-    _In_ BITMAP_INDEX BitNumber)
+    _In_range_(<, BitMapHeader->SizeOfBitMap) BITMAP_INDEX BitNumber)
 {
     ASSERT(BitNumber < BitMapHeader->SizeOfBitMap);
     return (BitMapHeader->Buffer[BitNumber / _BITCOUNT] >> (BitNumber & (_BITCOUNT - 1))) & 1;