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Fix crashes when stack is empty

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This commit is contained in:
MateuszOkulus 2020-05-12 16:48:47 +02:00
parent 9a5ddbabc5
commit ddb3992e8b
1 changed files with 2 additions and 2 deletions
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4
dwm.c
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@ -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);