ref: 3bd5ff9583c4b33aa27754fb4c3b6792261feb8a
dir: /sys/src/ape/lib/ap/plan9/dir.h/
typedef long long vlong;
typedef unsigned long long uvlong;
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
#define GBIT8(p) ((p)[0])
#define GBIT16(p) ((p)[0]|((p)[1]<<8))
#define GBIT32(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
#define GBIT64(p) ((vlong)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) |\
((vlong)((p)[4]|((p)[5]<<8)|((p)[6]<<16)|((p)[7]<<24)) << 32))
#define PBIT8(p,v) (p)[0]=(v)
#define PBIT16(p,v) (p)[0]=(v);(p)[1]=(v)>>8
#define PBIT32(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
#define PBIT64(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24;\
(p)[4]=(v)>>32;(p)[5]=(v)>>40;(p)[6]=(v)>>48;(p)[7]=(v)>>56
#define BIT8SZ 1
#define BIT16SZ 2
#define BIT32SZ 4
#define BIT64SZ 8
#define QIDSZ (BIT8SZ+BIT32SZ+BIT64SZ)
/* STATFIXLEN includes leading 16-bit count */
/* The count, however, excludes itself; total size is BIT16SZ+count */
#define STATFIXLEN (BIT16SZ+QIDSZ+5*BIT16SZ+4*BIT32SZ+1*BIT64SZ) /* amount of fixed length data in a stat buffer */
typedef union
{
char clength[8];
vlong vlength;
struct
{
long hlength;
long length;
};
} Length;
typedef
struct Qid
{
uvlong path;
ulong vers;
uchar type;
} Qid;
typedef
struct Dir {
/* system-modified data */
ushort type; /* server type */
uint dev; /* server subtype */
/* file data */
Qid qid; /* unique id from server */
ulong mode; /* permissions */
ulong atime; /* last read time */
ulong mtime; /* last write time */
vlong length; /* file length: see <u.h> */
char *name; /* last element of path */
char *uid; /* owner name */
char *gid; /* group name */
char *muid; /* last modifier name */
} Dir;
void _dirtostat(struct stat *, Dir*, Fdinfo*);
uint _convM2D(uchar*, uint, Dir*, char*);
uint _convD2M(Dir*, uchar*, uint);
Dir *_dirstat(char*);
int _dirwstat(char*, Dir*);
Dir *_dirfstat(int);
int _dirfwstat(int, Dir*);
long _dirread(int, Dir**);
long _dirreadall(int, Dir**);
void _nulldir(Dir*);
uint _sizeD2M(Dir*);
#ifndef nil
#define nil ((void*)0)
#endif