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check XGetWMHints() return value

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Hiltjo Posthuma committed 2026-10-16 13:08:47 +02:00
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commit 3caed3e78f
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x.c
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@@ -1755,7 +1755,10 @@ xsetcursor(int cursor)
void
xseturgency(int add)
{
XWMHints *h = XGetWMHints(xw.dpy, xw.win);
XWMHints *h;
if (!(h = XGetWMHints(xw.dpy, xw.win)))
return;
MODBIT(h->flags, add, XUrgencyHint);
XSetWMHints(xw.dpy, xw.win, h);