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81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
/*
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dictBuilder header file
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for static linking only
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Copyright (C) Yann Collet 2016
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BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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You can contact the author at :
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- Zstd source repository : https://www.zstd.net
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*/
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/* This library is EXPERIMENTAL, below API is not yet stable */
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#ifndef DICTBUILDER_STATIC_H_002
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#define DICTBUILDER_STATIC_H_002
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/*-*************************************
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* Dependencies
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***************************************/
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#include "zdict.h"
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/*-*************************************
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* Public type
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***************************************/
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typedef struct {
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unsigned selectivityLevel; /* 0 means default; larger => bigger selection => larger dictionary */
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unsigned compressionLevel; /* 0 means default; target a specific zstd compression level */
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unsigned notificationLevel; /* Write to stderr; 0 = none (default); 1 = errors; 2 = progression; 3 = details; 4 = debug; */
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unsigned reserved[3]; /* space for future parameters */
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} ZDICT_params_t;
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/*-*************************************
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* Public functions
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***************************************/
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/*! ZDICT_trainFromBuffer_advanced() :
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Same as ZDICT_trainFromBuffer() with control over more parameters.
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`parameters` is optional and can be provided with values set to 0 to mean "default".
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@return : size of dictionary stored into `dictBuffer` (<= `dictBufferSize`)
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or an error code, which can be tested by DiB_isError().
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note : ZDICT_trainFromBuffer_advanced() will send notifications into stderr if instructed to, using ZDICT_setNotificationLevel()
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*/
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size_t ZDICT_trainFromBuffer_advanced(void* dictBuffer, size_t dictBufferCapacity,
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const void* samplesBuffer, const size_t* samplesSizes, unsigned nbSamples,
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ZDICT_params_t parameters);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* DICTBUILDER_STATIC_H_002 */
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