block.h File Reference

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Data Structures
struct	BlockIdData

Macros
#define	InvalidBlockNumber   ((BlockNumber) 0xFFFFFFFF)
#define	MaxBlockNumber   ((BlockNumber) 0xFFFFFFFE)
#define	BlockNumberIsValid(blockNumber)    ((bool) ((BlockNumber) (blockNumber) != InvalidBlockNumber))
#define	BlockIdIsValid(blockId)    ((bool) PointerIsValid(blockId))
#define	BlockIdSet(blockId, blockNumber)
#define	BlockIdCopy(toBlockId, fromBlockId)
#define	BlockIdEquals(blockId1, blockId2)
#define	BlockIdGetBlockNumber(blockId)

Typedefs
typedef uint32	BlockNumber
typedef struct BlockIdData	BlockIdData
typedef BlockIdData *	BlockId

Macro Definition Documentation

BlockIdCopy

#define BlockIdCopy	(		toBlockId,
			fromBlockId
	)

Value:

( \
    AssertMacro(PointerIsValid(toBlockId)), \
    AssertMacro(PointerIsValid(fromBlockId)), \
    (toBlockId)->bi_hi = (fromBlockId)->bi_hi, \
    (toBlockId)->bi_lo = (fromBlockId)->bi_lo \
)

Definition at line 95 of file block.h.

BlockIdEquals

#define BlockIdEquals	(		blockId1,
			blockId2
	)

Value:

    ((blockId1)->bi_hi == (blockId2)->bi_hi && \
     (blockId1)->bi_lo == (blockId2)->bi_lo)

Definition at line 107 of file block.h.

BlockIdGetBlockNumber

#define BlockIdGetBlockNumber

(

blockId

)

Value:

( \
    AssertMacro(BlockIdIsValid(blockId)), \
    (BlockNumber) (((blockId)->bi_hi << 16) | ((uint16) (blockId)->bi_lo)) \
)

Definition at line 115 of file block.h.

BlockIdIsValid

#define BlockIdIsValid

(

blockId

)

((bool) PointerIsValid(blockId))

Definition at line 77 of file block.h.

BlockIdSet

#define BlockIdSet	(		blockId,
			blockNumber
	)

Value:

( \
    AssertMacro(PointerIsValid(blockId)), \
    (blockId)->bi_hi = (blockNumber) >> 16, \
    (blockId)->bi_lo = (blockNumber) & 0xffff \
)

Definition at line 84 of file block.h.

BlockNumberIsValid

#define BlockNumberIsValid

(

blockNumber

)

((bool) ((BlockNumber) (blockNumber) != InvalidBlockNumber))

Definition at line 70 of file block.h.

InvalidBlockNumber

#define InvalidBlockNumber   ((BlockNumber) 0xFFFFFFFF)

Definition at line 33 of file block.h.

MaxBlockNumber

#define MaxBlockNumber   ((BlockNumber) 0xFFFFFFFE)

Definition at line 35 of file block.h.

Typedef Documentation

BlockId

typedef BlockIdData* BlockId

Definition at line 59 of file block.h.

BlockIdData

typedef struct BlockIdData BlockIdData

BlockNumber

typedef uint32 BlockNumber

Definition at line 31 of file block.h.