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typedef struct PaqHeader PaqHeader;
typedef struct PaqBlock PaqBlock;
typedef struct PaqTrailer PaqTrailer;
typedef struct PaqDir PaqDir;
enum {
HeaderMagic = 0x529ab12b,
HeaderSize = 44,
BigHeaderMagic = 0x25a9,
BlockMagic = 0x198a1cbf,
BlockSize = 12,
BigBlockMagic = 0x91a8,
TrailerMagic = 0x6b46e688,
TrailerSize = 28,
Version = 1,
MaxBlockSize = 512*1024,
MinBlockSize = 512,
MinDirSize = 28,
};
/* block types */
enum {
DirBlock,
DataBlock,
PointerBlock,
};
/* encodings */
enum {
NoEnc,
DeflateEnc,
};
struct PaqHeader
{
ulong magic;
ushort version;
ulong blocksize;
ulong time;
char label[32];
};
struct PaqBlock
{
ulong magic;
ulong size; /* data size - always <= blocksize */
uchar type;
uchar encoding;
ulong adler32; /* applied to unencoded data */
};
struct PaqTrailer
{
ulong magic;
ulong root;
uchar sha1[20];
};
struct PaqDir
{
ulong qid;
ulong mode;
ulong mtime;
ulong length;
ulong offset; /* to pointer block */
char *name;
char *uid;
char *gid;
};
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