shithub: jbig2

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Bug 694845: Shailesh Mistrys patch for regression in jbig2dec

Having reverted the problematic patch, this is the fixed version.

--- a/jbig2_symbol_dict.c

+++ b/jbig2_symbol_dict.c

@@ -157,6 +157,7 @@

         rsegment = jbig2_find_segment(ctx, segment->referred_to_segments[index]);

         if (rsegment && ((rsegment->flags & 63) == 0) &&

             rsegment->result &&

+            (((Jbig2SymbolDict *)rsegment->result)->n_symbols > 0) &&

             ((*((Jbig2SymbolDict *)rsegment->result)->glyphs) != NULL))

             n_dicts++;

     }