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      1 /* Copyright 2013 Google Inc. All Rights Reserved.
      2 
      3    Distributed under MIT license.
      4    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
      5 */
      6 
      7 /* Function to find backward reference copies. */
      8 
      9 #ifndef BROTLI_ENC_BACKWARD_REFERENCES_H_
     10 #define BROTLI_ENC_BACKWARD_REFERENCES_H_
     11 
     12 #include "../common/constants.h"
     13 #include "../common/dictionary.h"
     14 #include "../common/platform.h"
     15 #include <brotli/types.h>
     16 #include "./command.h"
     17 #include "./hash.h"
     18 #include "./quality.h"
     19 
     20 #if defined(__cplusplus) || defined(c_plusplus)
     21 extern "C" {
     22 #endif
     23 
     24 /* "commands" points to the next output command to write to, "*num_commands" is
     25    initially the total amount of commands output by previous
     26    CreateBackwardReferences calls, and must be incremented by the amount written
     27    by this call. */
     28 BROTLI_INTERNAL void BrotliCreateBackwardReferences(
     29     size_t num_bytes, size_t position, const uint8_t* ringbuffer,
     30     size_t ringbuffer_mask, const BrotliEncoderParams* params,
     31     HasherHandle hasher, int* dist_cache, size_t* last_insert_len,
     32     Command* commands, size_t* num_commands, size_t* num_literals);
     33 
     34 #if defined(__cplusplus) || defined(c_plusplus)
     35 }  /* extern "C" */
     36 #endif
     37 
     38 #endif  /* BROTLI_ENC_BACKWARD_REFERENCES_H_ */
     39