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#ifndef _COMPRESS_H
#define _COMPRESS_H
#include <apfs/types.h>
struct apfs_compress_file_data {
struct apfs_compress_hdr hdr;
loff_t size;
void *data;
u8 *buf;
ssize_t bufblk;
size_t bufsize;
};
struct compress {
void *decmpfs; /* Copy of the inline data */
int decmpfs_len; /* Length of the inline data */
u64 size; /* Size of the compressed data */
u64 block_num; /* Reported count of compressed blocks */
u32 data_offs;
u32 data_size;
/* Data stream for the resource fork (NULL if none) */
struct dstream *rsrc_dstream;
/* Internal data for the decompression code */
struct apfs_compress_file_data *compress_data;
};
extern void apfs_compress_open(struct compress *compress);
extern void apfs_compress_check(struct compress *compress);
extern ssize_t apfs_compress_read(struct compress *compress, char *buf, size_t size, loff_t *off);
extern void apfs_compress_close(struct compress *compress);
extern void read_whole_dstream(u64 oid, void *buf, loff_t size);
#endif /* _COMPRESS_H */
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