macutils/macunpack/zma.h
2018-03-22 20:02:26 -05:00

54 lines
2.0 KiB
C

#include "zmahdr.h"
#define Z_HDRSIZE 78
#define Z_WHAT 0 /* What kind of data? */
#define Z_HLEN 1 /* Header length */
#define Z_BFLAGS 2 /* Boolean flags */
#define Z_NEXT 4 /* Pointer to next entry */
#define Z_CRLEN 8 /* Length compressed resource */
#define Z_CDLEN 12 /* Length compressed data */
#define Z_URLEN 16 /* Length uncompressed resource */
#define Z_UDLEN 20 /* Length uncompressed data */
#define Z_TYPE 24 /* File type */
#define Z_AUTH 28 /* File creator */
#define Z_CONTS 28 /* Directory contents pointer; overlayed */
#define Z_MDATE 32 /* Date */
#define Z_COMMENT 36 /* Comment offset, currently unused */
#define Z_FLAGS 40 /* Finder flags */
#define Z_DCRC 42 /* Data crc */
#define Z_RCRC 44 /* Resource crc */
#define Z_FNAME 46 /* File name length and name */
typedef struct fileHdr { /* 78 bytes */
char deleted; /* Not in original, split off from: */
char what; /* What kind? Negative if deleted */
unsigned char hlen ; /* Header length */
unsigned short boolFlags; /* Boolean flags */
unsigned long next; /* Next entry */
unsigned long compRLength; /* The compressed lengths. */
unsigned long compDLength; /* For dirs, the second is # entries */
unsigned long rsrcLength; /* The uncompressed lengths. */
unsigned long dataLength;
unsigned long fType; /* file type */
unsigned long fCreator; /* er... */
unsigned long modDate; /* !restored-compat w/backup prgms */
unsigned long comment; /* Comment offset */
unsigned short FndrFlags; /* copy of Finder flags. For our
purposes, we can clear:
busy,onDesk */
unsigned short dataCRC; /* Data fork crc */
unsigned short rsrcCRC; /* Resource fork crc */
unsigned char fName[32]; /* a STR32 */
/* The following are overlayed in the original structure */
unsigned long conts; /* Pointer to directory contents */
} fileHdr;
/* zma types (see what) */
#define z_noth 0 /* ??? */
#define z_file 1 /* file is compressed */
#define z_plain 2 /* file is uncompressed */
#define z_dir 3 /* directory */
#define z_plug 4 /* for plug in, not supported */