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check return value of XGetModifierMapping

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Hiltjo Posthuma committed 2026-10-16 13:26:00 +02:00
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commit ebfe671988
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dwm.c
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@@ -1955,7 +1955,8 @@ updatenumlockmask(void)
XModifierKeymap *modmap; XModifierKeymap *modmap;
numlockmask = 0; numlockmask = 0;
modmap = XGetModifierMapping(dpy); if (!(modmap = XGetModifierMapping(dpy)))
return;
for (i = 0; i < 8; i++) for (i = 0; i < 8; i++)
for (j = 0; j < modmap->max_keypermod; j++) for (j = 0; j < modmap->max_keypermod; j++)
if (modmap->modifiermap[i * modmap->max_keypermod + j] if (modmap->modifiermap[i * modmap->max_keypermod + j]