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https://bugs.gentoo.org/784071
https://git.suckless.org/st/commit/2f6e597ed871cff91c627850d03152cae5f45779.html
--- a/x.c
+++ b/x.c
@@ -1585,8 +1585,9 @@ xsettitle(char *p)
XTextProperty prop;
DEFAULT(p, opt_title);
- Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
- &prop);
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop) != Success)
+ return;
XSetWMName(xw.dpy, xw.win, &prop);
XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
XFree(prop.value);
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