10 #if defined(__FreeBSD__) || defined(__OpenBSD__)
11 #include <sys/disklabel.h>
12 #include <sys/ioctl.h>
13 static int diskdev[] = {
29 4, /* da on FreeBSD 5 */
32 isdisk(struct stat *st)
36 if(!S_ISCHR(st->st_mode))
38 dev = major(st->st_rdev);
39 for(i=0; i<nelem(diskdev); i++)
44 #define _HAVEDISKLABEL
47 #if defined(__linux__)
48 #include <linux/hdreg.h>
50 #include <sys/ioctl.h>
52 #define major(dev) ((int)(((dev) >> 8) & 0xff))
54 disksize(int fd, int dev)
58 struct hd_geometry geo;
60 memset(&geo, 0, sizeof geo);
64 if(ioctl(fd, BLKGETSIZE64, &u64) >= 0)
67 if(ioctl(fd, BLKGETSIZE, &l) >= 0)
69 if(ioctl(fd, HDIO_GETGEO, &geo) >= 0)
70 return (vlong)geo.heads*geo.sectors*geo.cylinders*512;
76 #if !defined(__linux__) && !defined(__sun__)
81 * Caching the last group and passwd looked up is
82 * a significant win (stupidly enough) on most systems.
83 * It's not safe for threaded programs, but neither is using
84 * getpwnam in the first place, so I'm not too worried.
87 _p9dir(struct stat *lst, struct stat *st, char *name, Dir *d, char **str, char *estr)
91 static struct group *g;
92 static struct passwd *p;
100 memset(d, 0, sizeof *d);
103 s = strrchr(name, '/');
113 if(*str + strlen(s)+1 > estr)
118 *str += strlen(*str)+1;
124 if(p && st->st_uid == uid && p->pw_uid == uid)
127 p = getpwuid(st->st_uid);
131 snprint(tmp, sizeof tmp, "%d", (int)st->st_uid);
137 if(*str+strlen(s)+1 > estr)
142 *str += strlen(*str)+1;
147 if(g && st->st_gid == gid && g->gr_gid == gid)
150 g = getgrgid(st->st_gid);
154 snprint(tmp, sizeof tmp, "%d", (int)st->st_gid);
160 if(*str + strlen(s)+1 > estr)
165 *str += strlen(*str)+1;
173 d->qid.path = ((uvlong)st->st_dev<<32) | st->st_ino;
175 d->qid.vers = st->st_gen;
178 d->qid.vers = st->st_mtime + st->st_ctime;
179 d->mode = st->st_mode&0777;
180 d->atime = st->st_atime;
181 d->mtime = st->st_mtime;
182 d->length = st->st_size;
184 if(S_ISDIR(st->st_mode)){
189 if(S_ISLNK(lst->st_mode)) /* yes, lst not st */
190 d->mode |= DMSYMLINK;
191 if(S_ISFIFO(st->st_mode))
192 d->mode |= DMNAMEDPIPE;
193 if(S_ISSOCK(st->st_mode))
195 if(S_ISBLK(st->st_mode)){
197 d->qid.path = ('b'<<16)|st->st_rdev;
199 if(S_ISCHR(st->st_mode)){
201 d->qid.path = ('c'<<16)|st->st_rdev;
203 /* fetch real size for disks */
205 if(S_ISBLK(st->st_mode) && (fd = open(name, O_RDONLY)) >= 0){
206 d->length = disksize(fd, major(st->st_dev));
210 #ifdef _HAVEDISKLABEL
213 struct disklabel lab;
215 if((fd = open(name, O_RDONLY)) < 0)
217 if(ioctl(fd, DIOCGDINFO, &lab) < 0)
219 n = minor(st->st_rdev)&7;
220 if(n >= lab.d_npartitions)
223 d->length = (vlong)(lab.d_partitions[n].p_size) * lab.d_secsize;