text: /*
      zstd - standard compression library
      Header File
      Copyright (C) 2014-2015, Yann Collet.
  
      BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
  
      Redistribution and use in source and binary forms, with or without
      modification, are permitted provided that the following conditions are
      met:
      * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
      * Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following disclaimer
      in the documentation and/or other materials provided with the
      distribution.
      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
      You can contact the author at :
      - zstd source repository : https://github.com/Cyan4973/zstd
      - ztsd public forum : https://groups.google.com/forum/#!forum/lz4c
  */
  #ifndef ZSTD_H
  #define ZSTD_H
  
  #if defined (__cplusplus)
  extern "C" {
  #endif
  
  /* *************************************
  *  Includes
  ***************************************/
  #include <stddef.h>   /* size_t */
  
  
  /* *************************************
  *  Version
  ***************************************/
  #define ZSTD_VERSION_MAJOR    0    /* for breaking interface changes  */
  #define ZSTD_VERSION_MINOR    3    /* for new (non-breaking) interface capabilities */
  #define ZSTD_VERSION_RELEASE  2    /* for tweaks, bug-fixes, or development */
  #define ZSTD_VERSION_NUMBER  (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE)
  unsigned ZSTD_versionNumber (void);
  
  
  /* *************************************
  *  Simple functions
  ***************************************/
  size_t ZSTD_compress(   void* dst, size_t maxDstSize,
                    const void* src, size_t srcSize);
  
  size_t ZSTD_decompress( void* dst, size_t maxOriginalSize,
                    const void* src, size_t compressedSize);
  
  /**
  ZSTD_compress() :
      Compresses 'srcSize' bytes from buffer 'src' into buffer 'dst', of maximum size 'dstSize'.
      Destination buffer must be already allocated.
      Compression runs faster if maxDstSize >=  ZSTD_compressBound(srcSize).
      return : the number of bytes written into buffer 'dst'
               or an error code if it fails (which can be tested using ZSTD_isError())
  
  ZSTD_decompress() :
      compressedSize : is the exact source size
      maxOriginalSize : is the size of the 'dst' buffer, which must be already allocated.
                        It must be equal or larger than originalSize, otherwise decompression will fail.
      return : the number of bytes decompressed into destination buffer (<= maxOriginalSize)
               or an errorCode if it fails (which can be tested using ZSTD_isError())
  */
  
  
  /* *************************************
  *  Tool functions
  ***************************************/
  size_t      ZSTD_compressBound(size_t srcSize);   /** maximum compressed size (worst case scenario) */
  
  /* Error Management */
  unsigned    ZSTD_isError(size_t code);         /** tells if a return value is an error code */
  const char* ZSTD_getErrorName(size_t code);    /** provides error code string */
  
  
  /* *************************************
  *  Advanced functions
  ***************************************/
  typedef struct ZSTD_CCtx_s ZSTD_CCtx;   /* incomplete type */
  ZSTD_CCtx* ZSTD_createCCtx(void);
  size_t     ZSTD_freeCCtx(ZSTD_CCtx* cctx);
  
  /**
  ZSTD_compressCCtx() :
      Same as ZSTD_compress(), but requires a ZSTD_CCtx working space already allocated
  */
  size_t ZSTD_compressCCtx(ZSTD_CCtx* ctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize);
  
  
  #if defined (__cplusplus)
  }
  #endif
  
  #endif  /* ZSTD_H */
  