| plan 9 kernel history: overview | file list | diff list |
1990/0821/gnot/dev.c (diff list | history)
| 1990/0821/sys/src/9/gnot/dev.c:4,10 – 1990/11211/sys/src/9/gnot/dev.c:4,9 (short | long | prev | next) | ||
| 1990/03091 | #include "dat.h" #include "fns.h" #include "errno.h" | |
| 1990/0821/sys/src/9/gnot/dev.c:25,37 – 1990/11211/sys/src/9/gnot/dev.c:24,36 | ||
| 1990/03091 | } void | |
| 1990/11211 | devdir(Chan *c, Qid qid, char *n, long length, long perm, Dir *db) | |
| 1990/03091 | { strcpy(db->name, n); db->qid = qid; db->type = devchar[c->type]; db->dev = c->dev; | |
| 1990/11211 | if(qid.path & CHDIR) | |
| 1990/03091 | db->mode = CHDIR|perm; else db->mode = perm; | |
| 1990/0821/sys/src/9/gnot/dev.c:39,46 – 1990/11211/sys/src/9/gnot/dev.c:38,45 | ||
| 1990/03091 | db->mtime = db->atime; db->hlength = 0; db->length = length; | |
| 1990/11211 | memcpy(db->uid, user, NAMELEN); memcpy(db->gid, user, NAMELEN); | |
| 1990/03091 | } int | |
| 1990/0821/sys/src/9/gnot/dev.c:59,65 – 1990/11211/sys/src/9/gnot/dev.c:58,64 | ||
| 1990/03091 | Chan *c; c = newchan(); | |
| 1990/11211 | c->qid = (Qid){CHDIR, 0}; | |
| 1990/03091 | c->type = devno(tc, 0); return c; } | |
| 1990/0821/sys/src/9/gnot/dev.c:95,103 – 1990/11211/sys/src/9/gnot/dev.c:94,100 | ||
| 1990/03091 | for(i=0;; i++) switch((*gen)(c, tab, ntab, i, &dir)){ case -1: | |
| 1990/11211 | strncpy(u->error, errstrtab[Enonexist], NAMELEN); | |
| 1990/03091 | return 0; case 0: continue; | |
| 1990/0821/sys/src/9/gnot/dev.c:123,129 – 1990/11211/sys/src/9/gnot/dev.c:120,126 | ||
| 1990/03091 | * devices with interesting directories usually don't get * here, which is good because we've lost the name by now. */ | |
| 1990/11211 | if(c->qid.path & CHDIR){ | |
| 1990/03091 | devdir(c, c->qid, ".", 0L, CHDIR|0700, &dir); convD2M(&dir, db); return; | |
| 1990/0821/sys/src/9/gnot/dev.c:132,138 – 1990/11211/sys/src/9/gnot/dev.c:129,135 | ||
| 1990/03091 | case 0: break; case 1: | |
| 1990/11211 | if(eqqid(c->qid, dir.qid)){ | |
| 1990/03091 | convD2M(&dir, db); return; } | |
| 1990/0821/sys/src/9/gnot/dev.c:180,196 – 1990/11211/sys/src/9/gnot/dev.c:177,193 | ||
| 1990/03091 | case 0: break; case 1: | |
| 1990/11211 | if(eqqid(c->qid, dir.qid)){ | |
| 1990/03091 | if((access[omode&3] & dir.mode) == access[omode&3]) goto Return; | |
| 1990/11211 | error(Eperm); | |
| 1990/03091 | } break; } Return: c->offset = 0; | |
| 1990/11211 | if((c->qid.path&CHDIR) && omode!=OREAD) error(Eperm); | |
| 1990/03091 | c->mode = openmode(omode); c->flag |= COPEN; return c; | |