1990/11211/port/chan.c (diff list | history)

1990/1104/sys/src/9/port/chan.c:80,90 – 1990/11211/sys/src/9/port/chan.c:80,91 (short | long | prev | next)
1990/0227		c->flag = 0; c->ref = 1; unlock(&chanalloc);
1990/11211		c->dev = 0;
1990/0227		c->offset = 0; c->mnt = 0; c->stream = 0;
1990/0303		c->mchan = 0; c->mqid = 0;
1990/11211		c->mqid = (Qid){0, 0};
1990/0227		return c; } unlock(&chanalloc);
1990/1104/sys/src/9/port/chan.c:116,125 – 1990/11211/sys/src/9/port/chan.c:117,134
1990/0227		} int eqchan(Chan *a, Chan *b, long qmask)
1990/11211		eqqid(Qid a, Qid b)
1990/0227		{ if((a->qid^b->qid) & qmask)
1990/11211		return a.path==b.path && a.vers==b.vers; } int eqchan(Chan *a, Chan *b, int pathonly) { if(a->qid.path != b->qid.path)
1990/0227		return 0;
1990/11211		if(!pathonly && a->qid.vers!=b->qid.vers) return 0;
1990/0227		if(a->type != b->type) return 0; if(a->dev != b->dev)
1990/1104/sys/src/9/port/chan.c:158,167 – 1990/11211/sys/src/9/port/chan.c:167,176
1990/0227		Pgrp *pg;
1990/0321		int islast;
1990/0227		if(CHDIR & (old->qid^new->qid)) error(0, Emount); if((old->qid&CHDIR)==0 && (flag&MORDER)!=MREPL) error(0, Emount);
1990/11211		if(CHDIR & (old->qid.path^new->qid.path)) error(Emount); if((old->qid.path&CHDIR)==0 && (flag&MORDER)!=MREPL) error(Emount);
1990/0227		mz = 0;
1990/0321		islast = 0;
1990/1104/sys/src/9/port/chan.c:190,196 – 1990/11211/sys/src/9/port/chan.c:199,205
1990/0227		} if(mz == 0){ if(i == conf.nmtab) error(0, Enomount);
1990/11211		error(Enomount);
1990/0227		mz = &pg->mtab[i];
1990/0321		islast++;
1990/0227		}
1990/1104/sys/src/9/port/chan.c:210,216 – 1990/11211/sys/src/9/port/chan.c:219,225
1990/0227		*/ case MBEFORE: if(mt->mnt == 0) error(0, Enotunion);
1990/11211		error(Enotunion);
1990/0227		/* fall through */ case MREPL:
1990/1104/sys/src/9/port/chan.c:227,233 – 1990/11211/sys/src/9/port/chan.c:236,242
1990/0227		*/ case MAFTER: if(mt->mnt == 0) error(0, Enotunion);
1990/11211		error(Enotunion);
1990/0227		omnt = mt->mnt; pmnt = 0; while(!omnt->term){
1990/1104/sys/src/9/port/chan.c:416,426 – 1990/11211/sys/src/9/port/chan.c:425,435
1990/0227		mnt = c->mnt; if(c->mountid != mnt->mountid){
1990/0321		pprint("createdir: changed underfoot?\n");
1990/0227		error(0, Enocreate);
1990/11211		error(Enocreate);
1990/0227		} do{ if(mnt->term) error(0, Enocreate);
1990/11211		error(Enocreate);
1990/0227		mnt = mnt->next; }while(!(mnt->c->flag&CCREATE)); mc = mnt->c;
1990/1104/sys/src/9/port/chan.c:457,463 – 1990/11211/sys/src/9/port/chan.c:466,472
1990/0821		char *elem;
1990/0227		if(name[0] == 0) error(0, Enonexist);
1990/11211		error(Enonexist);
1990/0821		/* * Make sure all of name is o.k. first byte is validated
1990/1104/sys/src/9/port/chan.c:484,493 – 1990/11211/sys/src/9/port/chan.c:493,502
1990/0227		}else if(name[0] == '#'){ mntok = 0;
1990/1009		if(name[1]=='M')
1990/0227		error(0, Enonexist);
1990/11211		error(Enonexist);
1990/0227		t = devno(name[1], 1); if(t == -1) error(0, Ebadsharp);
1990/11211		error(Ebadsharp);
1990/0227		name += 2; if(*name == '/'){ name = skipslash(name);
1990/1104/sys/src/9/port/chan.c:519,525 – 1990/11211/sys/src/9/port/chan.c:528,534
1990/0227		*/ while(*name){ if((nc=walk(c, elem, mntok)) == 0) error(0, Enonexist);
1990/11211		error(Enonexist);
1990/0227		c = nc; name = nextelem(name, elem); }
1990/1104/sys/src/9/port/chan.c:534,540 – 1990/11211/sys/src/9/port/chan.c:543,549
1990/0820		c = domount(c); else{ if((nc=walk(c, elem, mntok)) == 0) error(0, Enonexist);
1990/11211		error(Enonexist);
1990/0820		c = nc; }
1990/0227		break;
1990/1104/sys/src/9/port/chan.c:545,554 – 1990/11211/sys/src/9/port/chan.c:554,563
1990/0227		* so one may mount on / or . and see the effect. */ if((nc=walk(c, elem, 0)) == 0) error(0, Enonexist);
1990/11211		error(Enonexist);
1990/0227		c = nc; if(!(c->qid & CHDIR)) error(0, Enotdir);
1990/11211		if(!(c->qid.path & CHDIR)) error(Enotdir);
1990/0227		break; case Aopen:
1990/1104/sys/src/9/port/chan.c:556,562 – 1990/11211/sys/src/9/port/chan.c:565,571
1990/0820		c = domount(c); else{ if((nc=walk(c, elem, mntok)) == 0) error(0, Enonexist);
1990/11211		error(Enonexist);
1990/0820		c = nc; }
1990/0227		Open:
1990/1104/sys/src/9/port/chan.c:573,585 – 1990/11211/sys/src/9/port/chan.c:582,594
1990/0227		* the replacement. */ if((nc=walk(c, elem, 0)) == 0) error(0, Enonexist);
1990/11211		error(Enonexist);
1990/0227		c = nc; break; case Acreate:
1990/0820		if(isdot) error(0, Eisdir);
1990/11211		error(Eisdir);
1990/0227		if((nc=walk(c, elem, 1)) != 0){ c = nc; omode |= OTRUNC;
1990/1104/sys/src/9/port/chan.c:637,648 – 1990/11211/sys/src/9/port/chan.c:646,657
1990/0227		char *end, *e; if(*name == '/') error(0, Efilename);
1990/11211		error(Efilename);
1990/0821		end = memchr(name, 0, NAMELEN);
1990/0227		if(end == 0){
1990/0821		end = memchr(name, '/', NAMELEN);
1990/0227		if(end == 0) error(0, Efilename);
1990/11211		error(Efilename);
1990/0227		}else{ e = memchr(name, '/', end-name); if(e)
1990/1104/sys/src/9/port/chan.c:651,657 – 1990/11211/sys/src/9/port/chan.c:660,666
1990/0227		while(name < end){ c = *name++; if((c&0x80) || isfrog[c]) error(0, Ebadchar);
1990/11211		error(Ebadchar);
1990/0227		*elem++ = c; } *elem = 0;
1990/1104/sys/src/9/port/chan.c:661,667 – 1990/11211/sys/src/9/port/chan.c:670,676
1990/0227		void isdir(Chan *c) { if(c->qid & CHDIR)
1990/11211		if(c->qid.path & CHDIR)
1990/0227		return; error(0, Enotdir);
1990/11211		error(Enotdir);
1990/0227		}