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#define MAGIC1 "DDAR"
#define MAGIC2 "\253\315\000\124"
/* Initial header */
#define ARCHHDRCRC 76
#define ARCHHDRSIZE 78
/* File headers */
#define D_MAGIC 0
#define D_FILL1 4
#define D_FNAME 8
#define D_ISDIR 72
#define D_ENDDIR 73
#define D_DATALENGTH 74
#define D_RSRCLENGTH 78
#define D_CTIME 82
#define D_MTIME 86
#define D_FTYPE 90
#define D_CREATOR 94
#define D_FNDRFLAGS 98
#define D_FILL2 100
#define D_DATACRC 118
#define D_RSRCCRC 120
#define D_HDRCRC 122
#define FILEHDRSIZE 124
/* Compressed file header */
#define C_MAGIC 0
#define C_DATALENGTH 4
#define C_DATACLENGTH 8
#define C_RSRCLENGTH 12
#define C_RSRCCLENGTH 16
#define C_DATAMETHOD 20
#define C_RSRCMETHOD 21
#define C_INFO1 22
#define C_MTIME 24
#define C_CTIME 28
#define C_FTYPE 32
#define C_CREATOR 36
#define C_FNDRFLAGS 40
#define C_FILL1 42
#define C_DATACRC 48
#define C_RSRCCRC 50
#define C_INFO2 52
#define C_DATAINFO 54
#define C_RSRCINFO 56
#define C_FILL2 58
#define C_DATACRC2 78
#define C_RSRCCRC2 80
#define C_HDRCRC 82
#define CFILEHDRSIZE 84
typedef long OSType;
typedef struct fileHdr { /* 124 bytes */
unsigned char magic[4]; /* "DDAR" */
unsigned char fill1[4]; /* ??? */
unsigned char fName[64]; /* a STR63 */
unsigned char isdir; /* starts a directory? */
unsigned char enddir; /* terminates a directory? */
unsigned long dataLength; /* lengths */
unsigned long rsrcLength;
unsigned long creationDate;
unsigned long modDate;
OSType fType; /* file type */
OSType fCreator; /* er... */
unsigned short FndrFlags; /* copy of Finder flags. For our
purposes, we can clear:
busy,onDesk */
unsigned char fill2[18]; /* ??? */
unsigned short datacrc; /* checksum */
unsigned short rsrccrc;
unsigned short hdrcrc; /* true crc */
};
typedef struct fileCHdr { /* 84 bytes */
unsigned char magic[4]; /* "\253\315\000\124" */
unsigned long dataLength; /* lengths */
unsigned long dataCLength;
unsigned long rsrcLength;
unsigned long rsrcCLength;
unsigned char datamethod; /* compression method used */
unsigned char rsrcmethod;
unsigned char info1; /* flags ??? */
unsigned char fill3;
unsigned long modDate;
unsigned long creationDate;
OSType fType; /* file type */
OSType fCreator; /* er... */
unsigned short FndrFlags; /* copy of Finder flags. For our
purposes, we can clear:
busy,onDesk */
unsigned char fill1[6]; /* ??? */
unsigned short datacrc; /* checksum */
unsigned short rsrccrc;
unsigned char info2; /* flags ??? */
unsigned char fill4;
unsigned short datainfo; /* ??? */
unsigned short rsrcinfo; /* ??? */
unsigned char fill2[20]; /* ??? */
unsigned short datacrc2; /* other checksum */
unsigned short rsrccrc2;
unsigned short hdrcrc; /* true crc */
};
#define DD_FILE 0
#define DD_COPY 1
#define DD_SDIR 2
#define DD_EDIR 3
#define DD_IVAL 4
/* Methods used */
#define nocomp 0
#define lzc 1
#define method2 2
#define rle 3
#define huffman 4
#define method5 5
#define method6 6
#define lzss 7
#define cpt_compat 8
#define method9 9
#define ESC 0x144 /* Repeat packing escape */
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