zstd_ddict.h File Reference

#include <stddef.h>
#include "zstd.h"

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Functions
const void *	ZSTD_DDict_dictContent (const ZSTD_DDict *ddict)
size_t	ZSTD_DDict_dictSize (const ZSTD_DDict *ddict)
void	ZSTD_copyDDictParameters (ZSTD_DCtx *dctx, const ZSTD_DDict *ddict)

Function Documentation

ZSTD_copyDDictParameters()

void ZSTD_copyDDictParameters	(	ZSTD_DCtx *	dctx,
		const ZSTD_DDict *	ddict
	)

Definition at line 58 of file zstd_ddict.c.

{
    DEBUGLOG(4, "ZSTD_copyDDictParameters");
    assert(dctx != NULL);
    assert(ddict != NULL);
    dctx->dictID = ddict->dictID;
    dctx->prefixStart = ddict->dictContent;
    dctx->virtualStart = ddict->dictContent;
    dctx->dictEnd = (const BYTE*)ddict->dictContent + ddict->dictSize;
    dctx->previousDstEnd = dctx->dictEnd;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
    dctx->dictContentBeginForFuzzing = dctx->prefixStart;
    dctx->dictContentEndForFuzzing = dctx->previousDstEnd;
#endif
    if (ddict->entropyPresent) {
        dctx->litEntropy = 1;
        dctx->fseEntropy = 1;
        dctx->LLTptr = ddict->entropy.LLTable;
        dctx->MLTptr = ddict->entropy.MLTable;
        dctx->OFTptr = ddict->entropy.OFTable;
        dctx->HUFptr = ddict->entropy.hufTable;
        dctx->entropy.rep[0] = ddict->entropy.rep[0];
        dctx->entropy.rep[1] = ddict->entropy.rep[1];
        dctx->entropy.rep[2] = ddict->entropy.rep[2];
    } else {
        dctx->litEntropy = 0;
        dctx->fseEntropy = 0;
    }
}

Referenced by ZSTD_decompressBegin_usingDDict().

ZSTD_DDict_dictContent()

const void * ZSTD_DDict_dictContent

(

const ZSTD_DDict *

ddict

)

Definition at line 46 of file zstd_ddict.c.

{
    assert(ddict != NULL);
    return ddict->dictContent;
}

Referenced by ZSTD_decompressBegin_usingDDict(), ZSTD_decompressMultiFrame(), and ZSTD_decompressStream().

ZSTD_DDict_dictSize()

size_t ZSTD_DDict_dictSize

(

const ZSTD_DDict *

ddict

)

Definition at line 52 of file zstd_ddict.c.

{
    assert(ddict != NULL);
    return ddict->dictSize;
}

Referenced by ZSTD_decompressBegin_usingDDict(), ZSTD_decompressMultiFrame(), and ZSTD_decompressStream().