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

1990/1009/sys/src/9/port/sysfile.c:21,27 – 1990/11211/sys/src/9/port/sysfile.c:21,27 (short | long | prev | next)
1990/0227		u->maxfd = i; return i; } error(0, Enofd);
1990/11211		error(Enofd);
1990/0227		} Chan*
1990/1009/sys/src/9/port/sysfile.c:30,41 – 1990/11211/sys/src/9/port/sysfile.c:30,41
1990/0227		Chan *c; if(fd<0 || NFD<=fd || (c=u->fd[fd])==0) error(0, Ebadfd);
1990/11211		error(Ebadfd);
1990/1009		if(mode<0 || c->mode==ORDWR)
1990/0227		return c;
1990/1009		if((mode&OTRUNC) && c->mode==OREAD)
1990/0227		err: error(0, Ebadusefd);
1990/11211		error(Ebadusefd);
1990/1009		if((mode&~OTRUNC) != c->mode)
1990/0227		goto err; return c;
1990/1009/sys/src/9/port/sysfile.c:46,52 – 1990/11211/sys/src/9/port/sysfile.c:46,52
1990/0227		{
1990/08141		if(o >= (OTRUNC|OCEXEC|ORCLOSE|OEXEC))
1990/0227		Err: error(0, Ebadarg);
1990/11211		error(Ebadarg);
1990/08141		o &= ~(OTRUNC|OCEXEC|ORCLOSE);
1990/0227		if(o > OEXEC) goto Err;
1990/1009/sys/src/9/port/sysfile.c:227,238 – 1990/11211/sys/src/9/port/sysfile.c:227,238
1990/0227		nexterror(); } n = arg[2]; if(c->qid&CHDIR){
1990/11211		if(c->qid.path & CHDIR){
1990/0227		n -= n%DIRLEN; if(c->offset%DIRLEN || n==0) error(0, Ebaddirread);
1990/11211		error(Ebaddirread);
1990/0227		}
1990/0821		if((c->qid&CHDIR) && (c->flag&CMOUNT))
1990/11211		if((c->qid.path&CHDIR) && (c->flag&CMOUNT))
1990/0227		n = unionread(c, (void*)arg[1], n); else n = (*devtab[c->type].read)(c, (void*)arg[1], n);
1990/1009/sys/src/9/port/sysfile.c:254,261 – 1990/11211/sys/src/9/port/sysfile.c:254,261
1990/0227		qunlock(c); nexterror(); } if(c->qid & CHDIR) error(0, Eisdir);
1990/11211		if(c->qid.path & CHDIR) error(Eisdir);
1990/0227		n = (*devtab[c->type].write)(c, (void*)arg[1], arg[2]); c->offset += n; qunlock(c);
1990/1009/sys/src/9/port/sysfile.c:271,278 – 1990/11211/sys/src/9/port/sysfile.c:271,278
1990/0227		long off; c = fdtochan(arg[0], -1); if(c->qid & CHDIR) error(0, Eisdir);
1990/11211		if(c->qid.path & CHDIR) error(Eisdir);
1990/0227		qlock(c); if(waserror()){ qunlock(c);
1990/1009/sys/src/9/port/sysfile.c:365,377 – 1990/11211/sys/src/9/port/sysfile.c:365,379
1990/0227		struct{ Chan *chan; char *spec;
1990/11211		char *auth;
1990/0227		}bogus; flag = arg[2]; if(flag>MMASK || (flag&MORDER)==(MBEFORE|MAFTER)) error(0, Ebadarg);
1990/11211		error(Ebadarg);
1990/0227		if(ismount){ bogus.chan = fdtochan(arg[0], 2);
1990/11211		validaddr(arg[3], 1, 0);
1990/0918		p = (char*)arg[3]; t = BY2PG-((ulong)p&(BY2PG-1)); while(vmemchr(p, 0, t) == 0){
1990/1009/sys/src/9/port/sysfile.c:379,384 – 1990/11211/sys/src/9/port/sysfile.c:381,394
1990/0918		t = BY2PG; }
1990/0227		bogus.spec = (char*)arg[3];
1990/11211		validaddr(arg[4], 1, 0); p = (char*)arg[4]; t = BY2PG-((ulong)p&(BY2PG-1)); while(vmemchr(p, 0, t) == 0){ p += t; t = BY2PG; } bogus.auth = (char*)arg[4];
1990/0227		ret = devno('M', 0); c0 = (*devtab[ret].attach)((char*)&bogus); }else{
1990/1009/sys/src/9/port/sysfile.c:395,404 – 1990/11211/sys/src/9/port/sysfile.c:405,414
1990/0227		close(c1); nexterror(); } if((c0->qid^c1->qid) & CHDIR) error(0, Ebadmount); if(flag && !(c0->qid&CHDIR)) error(0, Ebadmount);
1990/11211		if((c0->qid.path^c1->qid.path) & CHDIR) error(Ebadmount); if(flag && !(c0->qid.path&CHDIR)) error(Ebadmount);
1990/0227		ret = mount(c0, c1, flag); close(c0); close(c1);
1990/1009/sys/src/9/port/sysfile.c:433,457 – 1990/11211/sys/src/9/port/sysfile.c:443,448
1990/0227		c = namec((char*)arg[0], Acreate, arg[1], arg[2]); u->fd[fd] = c; return fd; }                  long sysuserstr(ulong *arg) { Error err; char buf[NAMELEN];                  validaddr(arg[0], sizeof(Error), 0); validaddr(arg[1], NAMELEN, 1); err = *(Error*)arg[0]; err.type = devno(err.type, 1); if(err.type == -1) strcpy((char*)arg[1], "*gok*"); else{ (*devtab[err.type].userstr)(&err, buf); memcpy((char*)arg[1], buf, sizeof buf); } return 0; } long