shithub: dav1d

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getbits: prevent undefined shift in dav1d_get_vlc()

--- a/src/getbits.c

+++ b/src/getbits.c

@@ -95,7 +95,7 @@

     while (!dav1d_get_bits(c, 1))

         if (++n_bits == 32)

             return 0xFFFFFFFFU;

-    return n_bits ? ((1 << n_bits) - 1) + dav1d_get_bits(c, n_bits) : 0;

+    return n_bits ? ((1U << n_bits) - 1) + dav1d_get_bits(c, n_bits) : 0;

 }

 static unsigned get_bits_subexp_u(GetBits *const c, const unsigned ref,