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Movestack can cause dwm to crash if there are no selections on the monitor

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This commit is contained in:
bakkeby 2020-07-15 17:14:29 +02:00
parent e780c5078f
commit 06c4122e07
1 changed files with 3 additions and 2 deletions
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5
patch/movestack.c
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@ -2,13 +2,13 @@ void
movestack(const Arg *arg) movestack(const Arg *arg)
{ {
Client *c = NULL, *p = NULL, *pc = NULL, *i; Client *c = NULL, *p = NULL, *pc = NULL, *i;
if (arg->i > 0) { if (arg->i > 0) {
if (!selmon->sel)
return;
/* find the client after selmon->sel */ /* find the client after selmon->sel */
for (c = selmon->sel->next; c && (!ISVISIBLE(c) || c->isfloating); c = c->next); for (c = selmon->sel->next; c && (!ISVISIBLE(c) || c->isfloating); c = c->next);
if (!c) if (!c)
for (c = selmon->clients; c && (!ISVISIBLE(c) || c->isfloating); c = c->next); for (c = selmon->clients; c && (!ISVISIBLE(c) || c->isfloating); c = c->next);
} }
else { else {
/* find the client before selmon->sel */ /* find the client before selmon->sel */
@ -20,6 +20,7 @@ movestack(const Arg *arg)
if (ISVISIBLE(i) && !i->isfloating) if (ISVISIBLE(i) && !i->isfloating)
c = i; c = i;
} }
/* find the client before selmon->sel and c */ /* find the client before selmon->sel and c */
for (i = selmon->clients; i && (!p || !pc); i = i->next) { for (i = selmon->clients; i && (!p || !pc); i = i->next) {
if (i->next == selmon->sel) if (i->next == selmon->sel)