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Properly free the arith and word stream states in symbol dictionary decoding.


git-svn-id: http://svn.ghostscript.com/jbig2dec/trunk@385 ded80894-8fb9-0310-811b-c03f3676ab4d

--- a/jbig2_symbol_dict.c

+++ b/jbig2_symbol_dict.c

@@ -216,6 +216,7 @@

   uint32_t NSYMSDECODED;

   int32_t SYMWIDTH, TOTWIDTH;

   uint32_t HCFIRSTSYM;

+  Jbig2WordStream *ws = NULL;

   Jbig2ArithState *as = NULL;

   Jbig2ArithIntCtx *IADH = NULL;

   Jbig2ArithIntCtx *IADW = NULL;

@@ -231,7 +232,7 @@

   NSYMSDECODED = 0;

   if (!params->SDHUFF) {

-      Jbig2WordStream *ws = jbig2_word_stream_buf_new(ctx, data, size);

+      ws = jbig2_word_stream_buf_new(ctx, data, size);

       as = jbig2_arith_new(ctx, ws);

       IADH = jbig2_arith_int_ctx_new(ctx);

       IADW = jbig2_arith_int_ctx_new(ctx);

@@ -484,6 +485,11 @@

   }

   jbig2_sd_release(ctx, SDNEWSYMS);

+  

+  if (!params->SDHUFF) {

+    jbig2_free(ctx->allocator, as);  

+    jbig2_word_stream_buf_free(ctx, ws);

+  }

   return SDEXSYMS;

 }