long
sys_fstat(ulong *arg)
{
Chan *c;
char *name;
uint l;
uchar buf[128]; /* old DIRLEN plus a little should be plenty */
char strs[128];
Dir d;
char old[] = "old fstat system call - recompile";
validaddr(arg[1], 116, 1);
c = fdtochan(arg[0], -1, 0, 1);
if(waserror()){
cclose(c);
nexterror();
}
l = devtab[c->type]->stat(c, buf, sizeof buf);
/* buf contains a new stat buf; convert to old. yuck. */
if(l <= BIT16SZ) /* buffer too small; time to face reality */
error(old);
name = pathlast(c->path);
if(name)
l = dirsetname(name, strlen(name), buf, l, sizeof buf);
l = convM2D(buf, l, &d, strs);
if(l == 0)
error(old);
packoldstat((uchar*)arg[1], &d);
poperror();
cclose(c);
return 0;
}
long
sys_stat(uint32 *arg)
{
Chan *c;
uint l;
uchar buf[128]; /* old DIRLEN plus a little should be plenty */
char strs[128], *name, *elem;
Dir d;
char old[] = "old stat system call - recompile";
uchar *p;
p = uvalidaddr(arg[1], 116, 1);
name = uvalidaddr(arg[0], 1, 0);
c = namec(name, Aaccess, 0, 0);
if(waserror()){
cclose(c);
nexterror();
}
l = devtab[c->type]->stat(c, buf, sizeof buf);
/* buf contains a new stat buf; convert to old. yuck. */
if(l <= BIT16SZ) /* buffer too small; time to face reality */
error(old);
elem = pathlast(c->path);
if(elem)
l = dirsetname(elem, strlen(elem), buf, l, sizeof buf);
l = convM2D(buf, l, &d, strs);
if(l == 0)
error(old);
packoldstat(p, &d);
poperror();
cclose(c);
return 0;
}
