gettextprop: check result of XGetTextProperty (undefined behaviour for XFree)
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3
dwm.c
3
dwm.c
@ -910,8 +910,7 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size)
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if (!text || size == 0)
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return 0;
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text[0] = '\0';
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XGetTextProperty(dpy, w, &name, atom);
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if (!name.nitems)
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if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems)
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return 0;
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if (name.encoding == XA_STRING)
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strncpy(text, (char *)name.value, size - 1);
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