Avoid negative array subscript; break out of the loop if that happens.

diff --git a/cde/lib/DtTerm/TermPrim/TermPrim.c b/cde/lib/DtTerm/TermPrim/TermPrim.c
index f32f01643372cc3178399f790f7f52a9335417e2..87c836d7c50b80b8464f615396538f9c67ddef2d 100644 (file)
--- a/cde/lib/DtTerm/TermPrim/TermPrim.c
+++ b/cde/lib/DtTerm/TermPrim/TermPrim.c
@@ -894,6 +894,8 @@ GetMetaMask
        for (i1 = 0; i1 < modifierMapping->max_keypermod; i1++) {
            thisKeyCode = modifierMapping->modifiermap[mapIndex *
                    modifierMapping->max_keypermod + i1];
+           if (thisKeyCode < minKeycodes)
+               break;
            thisKeySym = keyboardMapping[(thisKeyCode - minKeycodes) *
                    keysymsPerKeycode];
            if ((thisKeySym == XK_Meta_L) || (thisKeySym == XK_Meta_R)) {