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#import "CSHandle.h"
typedef struct XADTarSparseRegion
{
int nextRegion;
off_t offset;
off_t size;
BOOL hasData;
off_t dataOffset;
} XADTarSparseRegion;
@interface XADTarSparseHandle:CSHandle
{
CSHandle *parent;
XADTarSparseRegion *regions;
int numRegions;
int currentRegion;
off_t currentOffset;
off_t realFileSize;
}
-(id)initWithHandle:(CSHandle *)handle size:(off_t)size;
-(id)initAsCopyOf:(XADTarSparseHandle *)other;
-(void)dealloc;
-(void)addSparseRegionFrom:(off_t)start length:(off_t)length;
-(void)addFinalSparseRegionEndingAt:(off_t)regionEndsAt;
-(void)setSingleEmptySparseRegion;
-(off_t)fileSize;
-(off_t)offsetInFile;
-(BOOL)atEndOfFile;
-(void)seekToFileOffset:(off_t)offs;
-(void)seekToEndOfFile;
-(int)readAtMost:(int)num toBuffer:(void *)buffer;
@end
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