1998/0326/port/sysfile.c (diff list | history)

1998/0320/sys/src/9/port/sysfile.c:467,474 – 1998/0326/sys/src/9/port/sysfile.c:467,474 (short | long | prev | next)
Change VSEEK system call to return vlong. rsc Fri Mar 4 17:11:47 2005
1990/0227		return n; } long
1998/0319		sysvseek(ulong *arg)
1998/0326		static void sseek(ulong *arg)
1990/0227		{ Chan *c; char buf[DIRLEN];
1998/0320/sys/src/9/port/sysfile.c:479,485 – 1998/0326/sys/src/9/port/sysfile.c:479,485
1998/0319		ulong u[2]; } o;
1990/0227
1992/0825		c = fdtochan(arg[0], -1, 1, 0);
1998/0326		c = fdtochan(arg[1], -1, 1, 0);
1990/11211		if(c->qid.path & CHDIR) error(Eisdir);
1992/0825
1998/0320/sys/src/9/port/sysfile.c:487,495 – 1998/0326/sys/src/9/port/sysfile.c:487,495
1991/0319		error(Eisstream);
1992/0825
1991/1101		off = 0;
1998/0319		o.u[0] = arg[1]; o.u[1] = arg[2]; switch(arg[3]){
1998/0326		o.u[0] = arg[2]; o.u[1] = arg[3]; switch(arg[4]){
1990/0227		case 0:
1998/0319		off = o.v; c->offset = off;
1998/0320/sys/src/9/port/sysfile.c:505,518 – 1998/0326/sys/src/9/port/sysfile.c:505,526
1990/0227		case 2:
1997/0327		devtab[c->type]->stat(c, buf);
1990/0227		convM2D(buf, &dir);
1998/0320		off = (long)dir.length1 + o.v; /* BOTCH */
1998/0326		off = dir.length + o.v;
1998/0319		c->offset = off;
1990/0227		break; } return off;
1998/0326		*(vlong*)arg[0] = off;
1998/0319		} long
1998/0326		sysvseek(ulong *arg) { validaddr(arg[0], BY2V, 1); sseek(arg); return 0; } long
1998/0319		sysseek(ulong *arg) { union {
1998/0320/sys/src/9/port/sysfile.c:519,532 – 1998/0326/sys/src/9/port/sysfile.c:527,542
1998/0319		vlong v; ulong u[2]; } o; ulong a[4];
1998/0326		ulong a[5];
1998/0319		o.v = arg[1]; a[0] = arg[0]; a[1] = o.u[0]; a[2] = o.u[1]; a[3] = arg[2]; return sysvseek(a);
1998/0326		a[0] = (ulong)&o.v; a[1] = arg[0]; a[2] = o.u[0]; a[3] = o.u[1]; a[4] = arg[2]; sseek(a); return o.v;
1990/0227		} long