check return value of XGetModifierMapping
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@@ -1955,7 +1955,8 @@ updatenumlockmask(void)
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XModifierKeymap *modmap;
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numlockmask = 0;
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modmap = XGetModifierMapping(dpy);
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if (!(modmap = XGetModifierMapping(dpy)))
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return;
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for (i = 0; i < 8; i++)
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for (j = 0; j < modmap->max_keypermod; j++)
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if (modmap->modifiermap[i * modmap->max_keypermod + j]
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