text: /*
   * Copyright (c) Facebook, Inc.
   * All rights reserved.
   *
   * This source code is licensed under both the BSD-style license (found in the
   * LICENSE file in the root directory of this source tree) and the GPLv2 (found
   * in the COPYING file in the root directory of this source tree).
   * You may select, at your option, one of the above-listed licenses.
   */
  /**
   * Helper functions for fuzzing.
   */
  
  #ifndef ZSTD_HELPERS_H
  #define ZSTD_HELPERS_H
  
  #define ZSTD_STATIC_LINKING_ONLY
  
  #include "zstd.h"
  #include "fuzz_data_producer.h"
  #include <stdint.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  extern const int kMinClevel;
  extern const int kMaxClevel;
  
  void FUZZ_setRandomParameters(ZSTD_CCtx *cctx, size_t srcSize, FUZZ_dataProducer_t *producer);
  
  ZSTD_compressionParameters FUZZ_randomCParams(size_t srcSize, FUZZ_dataProducer_t *producer);
  ZSTD_frameParameters FUZZ_randomFParams(FUZZ_dataProducer_t *producer);
  ZSTD_parameters FUZZ_randomParams(size_t srcSize, FUZZ_dataProducer_t *producer);
  
  typedef struct {
    void* buff;
    size_t size;
  } FUZZ_dict_t;
  
  /* Quickly train a dictionary from a source for fuzzing.
   * NOTE: Don't use this to train production dictionaries, it is only optimized
   * for speed, and doesn't care about dictionary quality.
   */
  FUZZ_dict_t FUZZ_train(void const* src, size_t srcSize, FUZZ_dataProducer_t *producer);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* ZSTD_HELPERS_H */
  