1993/0501/port/dev.c (diff list | history)

1993/0330/sys/src/9/port/dev.c:65,75 – 1993/0501/sys/src/9/port/dev.c:65,80 (short | long | prev | next)
Convert to Brazil: add Path, up, format edits. Directory mode back to 0700. rsc Fri Mar 4 12:44:25 2005
1990/0227		devattach(int tc, char *spec) { Chan *c;
1993/0501		char buf[NAMELEN+4];
1990/0227
1992/0711		USED(spec);
1990/0227		c = newchan();
1990/11211		c->qid = (Qid){CHDIR, 0};
1990/0227		c->type = devno(tc, 0);
1993/0501		if(tc != 'M') { sprint(buf, "#%C%s", tc, spec); c->path = ptenter(&syspt, 0, buf); }
1990/0227		return c; }
1993/0330/sys/src/9/port/dev.c:78,85 – 1993/0501/sys/src/9/port/dev.c:83,92
1990/0227		{
1990/0329		if(c->flag & COPEN)
1992/1217		panic("clone of open file type %C\n", devchar[c->type]);
1993/0501
1990/0227		if(nc == 0) nc = newchan();
1993/0501
1990/0227		nc->type = c->type;
1991/0421		nc->dev = c->dev;
1990/0227		nc->mode = c->mode;
1993/0330/sys/src/9/port/dev.c:91,96 – 1993/0501/sys/src/9/port/dev.c:98,105
1991/0421		nc->aux = c->aux;
1990/0303		nc->mchan = c->mchan; nc->mqid = c->mqid;
1993/0501		nc->path = c->path; incref(nc->path);
1990/0227		return nc; }
1993/0330/sys/src/9/port/dev.c:99,112 – 1993/0501/sys/src/9/port/dev.c:108,122
1990/0227		{ long i; Dir dir;
1993/0501		Path *op;
1990/0227		isdir(c); if(name[0]=='.' && name[1]==0) return 1; for(i=0;; i++)
1993/0501		for(i=0;; i++) {
1990/0227		switch((*gen)(c, tab, ntab, i, &dir)){ case -1:
1992/0111		strncpy(u->error, Enonexist, NAMELEN);
1993/0501		strncpy(up->error, Enonexist, NAMELEN);
1990/0227		return 0; case 0: continue;
1993/0330/sys/src/9/port/dev.c:113,123 – 1993/0501/sys/src/9/port/dev.c:123,137
1990/0227		case 1: if(strcmp(name, dir.name) == 0){ c->qid = dir.qid;
1993/0501		op = c->path; c->path = ptenter(&syspt, op, name); decref(op);
1990/0227		return 1; } continue; }
1992/0520		return 1; /* not reached */
1993/0501		} return 0; /* not reached */
1991/0411		}
1990/0227		void
1993/0330/sys/src/9/port/dev.c:129,151 – 1993/0501/sys/src/9/port/dev.c:143,165
1993/0330		for(i=0;; i++)
1990/0227		switch((*gen)(c, tab, ntab, i, &dir)){ case -1: /*
1991/1206		* given a channel, we cannot derive the directory name * that the channel was generated from since it was lost * by namec.
1990/0227		*/
1993/0501		/* * given a channel, we cannot derive the directory name * that the channel was generated from since it was lost * by namec. */
1990/11211		if(c->qid.path & CHDIR){
1993/0330		devdir(c, c->qid, ".", 0L, eve, CHDIR|0775, &dir);
1993/0501		devdir(c, c->qid, c->path->elem, i*DIRLEN, eve, CHDIR|0700, &dir);
1990/0227		convD2M(&dir, db); return; }
1992/1217		print("%s %s: devstat %C %lux\n", u->p->text, u->p->user,
1993/0330		devchar[c->type], c->qid.path);
1993/0501		print("%s %s: devstat %C %lux\n", up->text, up->user, devchar[c->type], c->qid.path);
1991/0626		error(Enonexist);
1993/0330		case 0: break;
1990/0227		case 1:
1993/0330		if(eqqid(c->qid, dir.qid)){
1993/0501		if(eqqid(c->qid, dir.qid)) {
1993/0323		if(c->flag&CMSG) dir.mode |= CHMOUNT;
1990/0227		convD2M(&dir, db);
1993/0330/sys/src/9/port/dev.c:162,168 – 1993/0501/sys/src/9/port/dev.c:176,182
1990/0227		Dir dir; k = c->offset/DIRLEN;
1990/0821		for(m=0; m<n; k++)
1993/0501		for(m=0; m<n; k++) {
1990/0227		switch((*gen)(c, tab, ntab, k, &dir)){ case -1:
1990/0821		return m;
1993/0330/sys/src/9/port/dev.c:177,182 – 1993/0501/sys/src/9/port/dev.c:191,198
1990/0227		d += DIRLEN; break; }
1993/0501		}
1990/0821		return m;
1990/0227		}
1993/0330/sys/src/9/port/dev.c:188,194 – 1993/0501/sys/src/9/port/dev.c:204,210
1991/1112		ulong t, mode;
1990/0227		static int access[] = { 0400, 0200, 0600, 0100 }; for(i=0;; i++)
1993/0501		for(i=0;; i++) {
1990/0227		switch((*gen)(c, tab, ntab, i, &dir)){ case -1: goto Return;
1993/0330/sys/src/9/port/dev.c:196,207 – 1993/0501/sys/src/9/port/dev.c:212,224
1990/0227		break; case 1:
1991/1112		if(eqqid(c->qid, dir.qid)) { if(strcmp(u->p->user, dir.uid) == 0) /* User */
1993/0501		if(strcmp(up->user, dir.uid) == 0)
1991/1112		mode = dir.mode;
1991/1206		else if(strcmp(u->p->user, eve) == 0) /* eve is group */
1993/0501		else if(strcmp(up->user, eve) == 0)
1991/1112		mode = dir.mode<<3; else mode = dir.mode<<6; /* Other */
1993/0501		mode = dir.mode<<6;
1991/1112		t = access[omode&3]; if((t & mode) == t)
1993/0330/sys/src/9/port/dev.c:210,216 – 1993/0501/sys/src/9/port/dev.c:227,234
1990/0227		} break; } Return:
1993/0501		} Return:
1990/0227		c->offset = 0;
1990/11211		if((c->qid.path&CHDIR) && omode!=OREAD) error(Eperm);