Fix crashes when stack is empty
@@ -990,7 +990,7 @@ focusstack(const Arg *arg)
int i = stackpos(arg);
Client *c, *p;
- if (i < 0 || selmon->sel->isfullscreen)
+ if (i < 0 || !selmon->sel || selmon->sel->isfullscreen)
return;
for(p = NULL, c = selmon->clients; c && (i || !ISVISIBLE(c));
@@ -1404,7 +1404,7 @@ pushstack(const Arg *arg) {
int i = stackpos(arg);
Client *sel = selmon->sel, *c, *p;
- if(i < 0)
+ if(i < 0 || !sel)
return;
else if(i == 0) {
detach(sel);
