10 #if defined(__FreeBSD__)
11 #include <sys/disklabel.h>
12 static int diskdev[] = {
30 isdisk(struct stat *st)
34 if(!S_ISCHR(st->st_mode))
36 dev = major(st->st_rdev);
37 for(i=0; i<nelem(diskdev); i++)
42 #define _HAVEDISKLABEL
45 #if defined(__linux__)
46 #include <linux/hdreg.h>
48 #include <sys/ioctl.h>
50 disksize(int fd, int dev)
54 struct hd_geometry geo;
56 memset(&geo, 0, sizeof geo);
60 if(ioctl(fd, BLKGETSIZE64, &u64) >= 0)
63 if(ioctl(fd, BLKGETSIZE, &l) >= 0)
65 if(ioctl(fd, HDIO_GETGEO, &geo) >= 0)
66 return (vlong)geo.heads*geo.sectors*geo.cylinders*512;
72 #if !defined(__linux__) && !defined(__sun__)
77 * Caching the last group and passwd looked up is
78 * a significant win (stupidly enough) on most systems.
79 * It's not safe for threaded programs, but neither is using
80 * getpwnam in the first place, so I'm not too worried.
83 _p9dir(struct stat *st, char *name, Dir *d, char **str, char *estr)
87 static struct group *g;
88 static struct passwd *p;
96 memset(d, 0, sizeof *d);
99 s = strrchr(name, '/');
109 if(*str + strlen(s)+1 > estr)
114 *str += strlen(*str)+1;
120 if(p && st->st_uid == uid && p->pw_uid == uid)
123 p = getpwuid(st->st_uid);
127 snprint(tmp, sizeof tmp, "%d", (int)st->st_uid);
133 if(*str+strlen(s)+1 > estr)
138 *str += strlen(*str)+1;
143 if(g && st->st_gid == gid && g->gr_gid == gid)
146 g = getgrgid(st->st_gid);
150 snprint(tmp, sizeof tmp, "%d", (int)st->st_gid);
156 if(*str + strlen(s)+1 > estr)
161 *str += strlen(*str)+1;
169 d->qid.path = ((uvlong)st->st_dev<<32) | st->st_ino;
171 d->qid.vers = st->st_gen;
173 d->mode = st->st_mode&0777;
174 d->atime = st->st_atime;
175 d->mtime = st->st_mtime;
176 d->length = st->st_size;
178 if(S_ISDIR(st->st_mode)){
184 /* fetch real size for disks */
186 if(S_ISBLK(st->st_mode) && (fd = open(name, O_RDONLY)) >= 0){
187 d->length = disksize(fd, major(st->st_dev));
191 #ifdef _HAVEDISKLABEL
194 struct disklabel lab;
196 if((fd = open(name, O_RDONLY)) < 0)
198 if(ioctl(fd, DIOCGDINFO, &lab) < 0)
200 n = minor(st->st_rdev)&7;
201 if(n >= lab.d_npartitions)
204 d->length = (vlong)(lab.d_partitions[n].p_size) * lab.d_secsize;