// LIBZCORE.H 

//

// Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

//

// Portions Copyright (c) 2007 1995-2005 Jean-loup Gailly and Mark Adler.

//

#ifndef LIBZCORE_H

#define LIBZCORE_H

#if (defined(__TOOLS2__) ||defined(__TOOLS__))

	// A tools build picks up the zconf.h file from the user include path

	#include "zlib.h"

#else	

	#include <e32def.h>

	// Any other build picks up zconf.h from stdapis system include directory

	#include <zlib.h>

#endif

#ifdef __cplusplus

extern "C" {

#endif

//=========================================================================

// The application can compare zlibVersion and ZLIB_VERSION for consistency.

//=========================================================================

ZEXTERN const char * ZEXPORT zlibVersion_r OF((void));

//=========================================================================

// This function shall compresses as much as possible.

//=========================================================================

ZEXTERN int ZEXPORT deflate_r OF((z_streamp strm, int flush));

//=========================================================================

// This function shall deallocate all the dynamically allocated data 

// structures.

//=========================================================================

ZEXTERN int ZEXPORT deflateEnd_r OF((z_streamp strm));

//=========================================================================

// This function shall decompresses as much as possible.

//=========================================================================

ZEXTERN int ZEXPORT inflate_r OF((z_streamp strm, int flush));

//=========================================================================

// This function shall deallocate all the dynamically allocated data 

// structures.

//=========================================================================

ZEXTERN int ZEXPORT inflateEnd_r OF((z_streamp strm));

//=========================================================================

// This function shall Initializes the compression dictionary from the given 

// byte sequence without producing any compressed output.

//=========================================================================

ZEXTERN int ZEXPORT deflateSetDictionary_r OF((z_streamp strm,

                                             const Bytef *dictionary,

                                             uInt  dictLength));

//=========================================================================

// This function shall sets the destination stream as a complete copy of 

// the source stream

//=========================================================================

ZEXTERN int ZEXPORT deflateCopy_r OF((z_streamp dest,

                                    z_streamp source));

//=========================================================================

// This function does not free and reallocate all the internal compression

// state.

//=========================================================================

ZEXTERN int ZEXPORT deflateReset_r OF((z_streamp strm));

//=========================================================================

// This function shall update the compression level and compression strategy.

//=========================================================================

ZEXTERN int ZEXPORT deflateParams_r OF((z_streamp strm,

                                      int level,

                                      int strategy));

//=========================================================================

// This function shall fine tune deflate's internal compression parameters.

//=========================================================================

ZEXTERN int ZEXPORT deflateTune_r OF((z_streamp strm,

                                    int good_length,

                                    int max_lazy,

                                    int nice_length,

                                    int max_chain));    

//=========================================================================

// This function shall an upper bound on the compressed size after deflation

// of sourceLen bytes.

//=========================================================================

ZEXTERN uLong ZEXPORT deflateBound_r OF((z_streamp strm,

                                       uLong sourceLen));

//=========================================================================

// This function shall insert bits in the deflate output stream.

//=========================================================================

ZEXTERN int ZEXPORT deflatePrime_r OF((z_streamp strm,

                                     int bits,

                                     int value));

//=========================================================================

// This function shall provides gzip header information for when a gzip

// stream is requested by deflateInit2().

//=========================================================================

ZEXTERN int ZEXPORT deflateSetHeader_r OF((z_streamp strm,

                                         gz_headerp head));

//=========================================================================

// This function initializes the decompression dictionary from the given 

// uncompressed byte sequence.

//=========================================================================

ZEXTERN int ZEXPORT inflateSetDictionary_r OF((z_streamp strm,

                                             const Bytef *dictionary,

                                             uInt  dictLength));

//=========================================================================

// This function shall skips invalid coompressed data until a full flush 

// point can be found, or unil all the available input is skipped.

//=========================================================================

ZEXTERN int ZEXPORT inflateSync_r OF((z_streamp strm));

//=========================================================================

// This function shall set the destination stream as a complete copy of 

// the source stream.

//=========================================================================

ZEXTERN int ZEXPORT inflateCopy_r OF((z_streamp dest,

                                    z_streamp source));

//=========================================================================

// This function shall not free and reallocate all the internal decompression

// state.

//=========================================================================

ZEXTERN int ZEXPORT inflateReset_r OF((z_streamp strm));

//=========================================================================

// This function inserts bits in the inflate input stream.

//=========================================================================

ZEXTERN int ZEXPORT inflatePrime_r OF((z_streamp strm,

                                     int bits,

                                     int value));

//=========================================================================

// This function requests that gzip header information be stored in the

// provided gz_header structure.

//=========================================================================

ZEXTERN int ZEXPORT inflateGetHeader_r OF((z_streamp strm,

                                         gz_headerp head));

//=========================================================================

// This function does a raw inflate with a single call using a call-back

// interface for input and output.

//=========================================================================                                         

ZEXTERN int ZEXPORT inflateBack_r OF((z_streamp strm,

                                    in_func in, void FAR *in_desc,

                                    out_func out, void FAR *out_desc));

//=========================================================================

// This function frees all memory allocated by inflateBackInit().

//=========================================================================

ZEXTERN int ZEXPORT inflateBackEnd_r OF((z_streamp strm));

//=========================================================================

// This function returns flags indicating compile-time options.

//=========================================================================

ZEXTERN uLong ZEXPORT zlibCompileFlags_r OF((void));

//=========================================================================

// This function compressed the source buffer into the destination buffer.

//=========================================================================

ZEXTERN int ZEXPORT compress_r OF((Bytef *dest,   uLongf *destLen,

                                 const Bytef *source, uLong sourceLen));

//=========================================================================

// This function compresses the source buffer into the destination buffer.

//=========================================================================

ZEXTERN int ZEXPORT compress2_r OF((Bytef *dest,   uLongf *destLen,

                                  const Bytef *source, uLong sourceLen, int level));

//=========================================================================

// This function returns an upper bound on the compressed size after the 

// compress or compress2 on the sourceLen bytes.

//=========================================================================

ZEXTERN uLong ZEXPORT compressBound_r OF((uLong sourceLen));

//=========================================================================

// This function decompresses the source buffer into the destination buffer.

//=========================================================================

ZEXTERN int ZEXPORT uncompress_r OF((Bytef *dest,   uLongf *destLen,

                                   const Bytef *source, uLong sourceLen));

//=========================================================================

// Update a running Adler-32 checksum with the bytes buf[0..len-1] and 

// return the updated checksum.

//=========================================================================

ZEXTERN uLong ZEXPORT adler32_r OF((uLong adler, const Bytef *buf, uInt len));

//=========================================================================

// This function combines two Adler-32 checksums into one.

//=========================================================================

ZEXTERN uLong ZEXPORT adler32_combine_r OF((uLong adler1, uLong adler2,

                                          z_off_t len2));

//=========================================================================

// Update a running CRC-32 checksum with the bytes buf[0..len-1] and 

// return the updated CRC-32.

//=========================================================================

ZEXTERN uLong ZEXPORT crc32_r OF((uLong crc, const Bytef *buf, uInt len));

//=========================================================================

// This function combines two CRC-32 check values into one.

//=========================================================================

ZEXTERN uLong ZEXPORT crc32_combine_r OF((uLong crc1, uLong crc2, 

										z_off_t len2));

/* deflateInit and inflateInit are macros to allow checking the zlib version

 * and the compiler's view of z_stream:

 */

ZEXTERN int ZEXPORT deflateInit__r OF((z_streamp strm, int level,

                                     const char *version, int stream_size));

ZEXTERN int ZEXPORT inflateInit__r OF((z_streamp strm,

                                     const char *version, int stream_size));

ZEXTERN int ZEXPORT deflateInit2__r OF((z_streamp strm, int  level, int  method,

                                      int windowBits, int memLevel,

                                      int strategy, const char *version,

                                      int stream_size));

ZEXTERN int ZEXPORT inflateInit2__r OF((z_streamp strm, int  windowBits,

                                      const char *version, int stream_size));                                     

ZEXTERN int ZEXPORT inflateBackInit__r OF((z_streamp strm, int windowBits,

                                         unsigned char FAR *window,

                                         const char *version,

                                         int stream_size));

#define deflateInit_r(strm, level) \

        deflateInit__r((strm), (level),       ZLIB_VERSION, sizeof(z_stream))

#define inflateInit_r(strm) \

        inflateInit__r((strm),                ZLIB_VERSION, sizeof(z_stream))

#define deflateInit2_r(strm, level, method, windowBits, memLevel, strategy) \

        deflateInit2__r((strm),(level),(method),(windowBits),(memLevel),\

                      (strategy),           ZLIB_VERSION, sizeof(z_stream))

#define inflateInit2_r(strm, windowBits) \

        inflateInit2__r((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))

#define inflateBackInit_r(strm, windowBits, window) \

        inflateBackInit__r((strm), (windowBits), (window), \

        ZLIB_VERSION, sizeof(z_stream))        

ZEXTERN const char   * ZEXPORT zError_r           OF((int));

ZEXTERN int            ZEXPORT inflateSyncPoint_r OF((z_streamp z));

ZEXTERN const uLongf * ZEXPORT get_crc_table_r    OF((void));

#ifdef __cplusplus

}

#endif

#endif /* LIBZCORE_H */