1 #include <u.h>
2 #include <libc.h>
3 
4 #include <sys/stat.h>
5 #include <sys/disklabel.h>
6 #include <dirent.h>
7 #include <pwd.h>
8 #include <grp.h>
9 
10 int
11 _p9dir(struct stat *st, char *name, Dir *d, char **str, char *estr)
12 {
13 	char *s;
14 	char tmp[20];
15 	struct group *g;
16 	struct pwd *p;
17 	int sz;
18 
19 	sz = 0;
20 
21 	/* name */
22 	s = strrchr(name, '/');
23 	if(s && s[1])
24 		s++;
25 	else
26 		s = "/";
27 	if(d){
28 		if(*str + strlen(s)+1 > estr)
29 			d->name = "oops";
30 		else{
31 			strcpy(*str, s);
32 			d->name = *str;
33 			*str += strlen(*str)+1;
34 		}
35 	}
36 	sz += strlen(s)+1;
37 
38 	/* user */
39 	p = getpwuid(st->st_uid);
40 	if(p == nil){
41 		snprint(tmp, sizeof tmp, "%d", (int)st->st_uid);
42 		s = tmp;
43 	}else
44 		s = p->pw_name;
45 	sz += strlen(s)+1;
46 	if(d){
47 		if(*str+strlen(s)+1 > estr)
48 			d->uid = "oops";	
49 		else{
50 			strcpy(*str, s);
51 			d->uid = *str;
52 			*str += strlen(*str)+1;
53 		}
54 	}
55 
56 	/* group */
57 	g = getgrgid(st->st_gid);
58 	if(g == nil){
59 		snprint(tmp, sizeof tmp, "%d", (int)st->st_gid);
60 		s = tmp;
61 	}else
62 		s = g->gr_name;
63 	sz += strlen(s)+1;
64 	if(d){
65 		if(*str + strlen(s)+1 > estr){
66 			d->gid = "oops";	
67 		else{
68 			strcpy(*str, s);
69 			d->gid = *str;
70 			*str += strlen(*str)+1;
71 		}
72 	}
73 
74 	if(d){
75 		d->muid = "";
76 		d->qid.path = ((uvlong)st->st_dev<<32) | st->st_ino;
77 		d->qid.vers = st->st_gen;
78 		d->mode = st->st_mode&0777;
79 		if(S_ISDIR(st->st_mode)){
80 			d->mode |= DMDIR;
81 			d->qid.type = QTDIR;
82 		}
83 		d->atime = st->st_atime;
84 		d->mtime = st->st_mtime;
85 		d->length = st->st_size;
86 
87 		/* fetch real size for disks */
88 		if(S_ISCHR(st->st_mode)){
89 			int fd, n;
90 			struct disklabel lab;
91 
92 			if((fd = open(name, O_RDONLY)) < 0)
93 				goto nosize;
94 			if(ioctl(fd, DIOCGDINFO, &lab) < 0)
95 				goto nosize;
96 			n = minor(st->st_rdev)&0xFFFF;
97 			if(n >= lab.d_npartitions)
98 				goto nosize;
99 			d->length = (vlong)lab.d_npartitions[n].p_size * lab.d_secsize;
100 		nosize:
101 			if(fd >= 0)
102 				close(fd);
103 		}
104 	}
105 
106 	return sz;
107 }
108 
109 Dir*
110 _dirfstat(char *name, int fd)
111 {
112 	Dir *d;
113 	int size;
114 
115 	
116 }