[fireball] 36533: - Apply Art's bitmap patch from the branch, and change the other 2 functions similarly (bit set & clear).

Author: fireball
Date: Fri Sep 26 04:42:15 2008
New Revision: 36533

URL: http://svn.reactos.org/svn/reactos?rev=36533&view=rev
Log:
- Apply Art's bitmap patch from the branch, and change the other 2 functions similarly
(bit set & clear).

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=36533…
==============================================================================
--- trunk/reactos/lib/rtl/bitmap.c [iso-8859-1] (original)
+++ trunk/reactos/lib/rtl/bitmap.c [iso-8859-1] Fri Sep 26 04:42:15 2008
@@ -440,12 +440,12 @@
 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 @@
              IN ULONG StartingIndex,
              IN ULONG NumberToClear)
 {
- LPBYTE lpOut;
+  LPBYTE lpOut;
 
   if (!BitMapHeader || !NumberToClear ||
       StartingIndex >= BitMapHeader->SizeOfBitMap ||
@@ -540,12 +540,6 @@
   return ~0U;
 }
 
-
-
-
-
-
-
 /*
  * @implemented
  */
@@ -557,7 +551,6 @@
 {
     return NTDLL_FindRuns(BitMapHeader, RunArray, SizeOfRunArray, LocateLongestRuns,
NTDLL_FindClearRun);
 }
-
 
 /*
  * @unimplemented
@@ -745,9 +738,6 @@
 }
 
 
-
-
-
 /*
  * @implemented
  */
@@ -797,14 +787,14 @@
 RtlSetBit(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));
 }
 
 
@@ -867,14 +857,14 @@
 RtlTestBit(PRTL_BITMAP BitMapHeader,
 	   ULONG BitNumber)
 {
-  PULONG Ptr;
+  PUCHAR Ptr;
 
   if (BitNumber >= BitMapHeader->SizeOfBitMap)
     return FALSE;
 
-  Ptr = (PULONG)BitMapHeader->Buffer + (BitNumber / 32);
-
-  return (BOOLEAN)(*Ptr & (1 << (BitNumber % 32)));
+  Ptr = (PUCHAR)BitMapHeader->Buffer + (BitNumber / 8);
+
+  return (BOOLEAN)(*Ptr & (1 << (BitNumber % 8)));
 }
 
 /*