Use actual length of dictionary, and not size of a pointer, in zlib.

runtime/bin/filter.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_FILTER_H_
 #define BIN_FILTER_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 
@@ skipping 36 matching lines @@
   uint8_t processed_buffer_[kFilterBufferSize];
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(Filter);
 };
 
 class ZLibDeflateFilter : public Filter {
  public:
   ZLibDeflateFilter(bool gzip, int32_t level, int32_t window_bits,
                     int32_t mem_level, int32_t strategy,
-                    uint8_t* dictionary, bool raw)
+                    uint8_t* dictionary, intptr_t dictionary_length, bool raw)
       : gzip_(gzip), level_(level), window_bits_(window_bits),
         mem_level_(mem_level), strategy_(strategy), dictionary_(dictionary),
-        raw_(raw), current_buffer_(NULL)
+        dictionary_length_(dictionary_length), raw_(raw), current_buffer_(NULL)
     {}
   virtual ~ZLibDeflateFilter();
 
   virtual bool Init();
   virtual bool Process(uint8_t* data, intptr_t length);
   virtual intptr_t Processed(uint8_t* buffer, intptr_t length, bool finish,
                              bool end);
 
  private:
   const bool gzip_;
   const int32_t level_;
   const int32_t window_bits_;
   const int32_t mem_level_;
   const int32_t strategy_;
   uint8_t* dictionary_;
+  const intptr_t dictionary_length_;
   const bool raw_;
   uint8_t* current_buffer_;
   z_stream stream_;
 
   DISALLOW_COPY_AND_ASSIGN(ZLibDeflateFilter);
 };
 
 class ZLibInflateFilter : public Filter {
  public:
-  ZLibInflateFilter(int32_t window_bits, uint8_t* dictionary, bool raw)
-      : window_bits_(window_bits), dictionary_(dictionary), raw_(raw),
-        current_buffer_(NULL)
+  ZLibInflateFilter(int32_t window_bits, uint8_t* dictionary,
+                    intptr_t dictionary_length, bool raw)
+      : window_bits_(window_bits), dictionary_(dictionary),
+        dictionary_length_(dictionary_length), raw_(raw), current_buffer_(NULL)
     {}
   virtual ~ZLibInflateFilter();
 
   virtual bool Init();
   virtual bool Process(uint8_t* data, intptr_t length);
   virtual intptr_t Processed(uint8_t* buffer, intptr_t length, bool finish,
                              bool end);
 
  private:
   const int32_t window_bits_;
   uint8_t* dictionary_;
+  const intptr_t dictionary_length_;
   const bool raw_;
   uint8_t* current_buffer_;
   z_stream stream_;
 
   DISALLOW_COPY_AND_ASSIGN(ZLibInflateFilter);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_FILTER_H_