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[NTOS]: Defensive programming on the pool macros.

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svn path=/trunk/; revision=47595
This commit is contained in:
Sir Richard 2010-06-05 17:54:19 +00:00
parent fc1ffb8a44
commit 81589f83ca
1 changed files with 5 additions and 5 deletions
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10
reactos/ntoskrnl/mm/ARM3/expool.c
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@ -29,11 +29,11 @@ PVOID PoolTrackTable;
PKGUARDED_MUTEX ExpPagedPoolMutex;
/* Pool block/header/list access macros */
#define POOL_ENTRY(x) (PPOOL_HEADER)((ULONG_PTR)x - sizeof(POOL_HEADER))
#define POOL_FREE_BLOCK(x) (PLIST_ENTRY)((ULONG_PTR)x + sizeof(POOL_HEADER))
#define POOL_BLOCK(x, i) (PPOOL_HEADER)((ULONG_PTR)x + ((i) * POOL_BLOCK_SIZE))
#define POOL_NEXT_BLOCK(x) POOL_BLOCK(x, x->BlockSize)
#define POOL_PREV_BLOCK(x) POOL_BLOCK(x, -x->PreviousSize)
#define POOL_ENTRY(x) (PPOOL_HEADER)((ULONG_PTR)(x) - sizeof(POOL_HEADER))
#define POOL_FREE_BLOCK(x) (PLIST_ENTRY)((ULONG_PTR)(x) + sizeof(POOL_HEADER))
#define POOL_BLOCK(x, i) (PPOOL_HEADER)((ULONG_PTR)(x) + ((i) * POOL_BLOCK_SIZE))
#define POOL_NEXT_BLOCK(x) POOL_BLOCK((x), (x)->BlockSize)
#define POOL_PREV_BLOCK(x) POOL_BLOCK((x), -(x)->PreviousSize)
/* PRIVATE FUNCTIONS **********************************************************/