[freenos] [freenos commit] r217 - BitMap now unconditionally uses 32-bit address pointers for scanning.
- From: codesite-noreply@xxxxxxxxxx
- To: freenos@xxxxxxxxxxxxx
- Date: Thu, 09 Jul 2009 22:30:52 +0000
Author: nieklinnenbank
Date: Thu Jul 9 15:30:36 2009
New Revision: 217
Modified:
trunk/include/BitMap.h
Log:
BitMap now unconditionally uses 32-bit address pointers for scanning.
Modified: trunk/include/BitMap.h
==============================================================================
--- trunk/include/BitMap.h (original)
+++ trunk/include/BitMap.h Thu Jul 9 15:30:36 2009
@@ -77,11 +77,11 @@
*/
Error markNext()
{
- Address *ptr;
- Size num = count / sizeof(Address);
+ u32 *ptr;
+ Size num = count / sizeof(u32);
/* At least one, and include partially used bytes. */
- if (!num || count % sizeof(Address))
+ if (!num || count % sizeof(u32))
{
num++;
}
@@ -89,19 +89,19 @@
for (Size i = 0; i < num; i++)
{
/* Point to the correct offset. */
- ptr = ((Address *) (map)) + i;
+ ptr = ((u32 *) (map)) + i;
/* Any blocks free? */
- if (*ptr != (Address) ~ZERO)
+ if (*ptr != (u32) ~ZERO)
{
/* Find the first free bit. */
- for (Size bit = 0; bit < sizeof(Address) * 8; bit++)
+ for (Size bit = 0; bit < sizeof(u32) * 8; bit++)
{
- if (!(*ptr & 1 << bit))
+ if (!(*ptr & (1 << bit)))
{
*ptr |= (1 << bit);
free--;
- return bit + (sizeof(Address) * 8 * i);
+ return bit + (sizeof(u32) * 8 * i);
}
}
}
Other related posts:
- » [freenos] [freenos commit] r217 - BitMap now unconditionally uses 32-bit address pointers for scanning. - codesite-noreply
