Add function to make cctxParams from ZSTD_parameters

This commit is contained in:
Stella Lau 2017-08-22 14:53:13 -07:00
parent 23fc0e41fa
commit 11303778d0

View File

@ -271,6 +271,15 @@ size_t ZSTD_freeCCtxParams(ZSTD_CCtx_params* params)
return 0;
}
static ZSTD_CCtx_params ZSTD_assignParamsToCCtxParams(
ZSTD_CCtx_params cctxParams, ZSTD_parameters params)
{
ZSTD_CCtx_params ret = cctxParams;
ret.cParams = params.cParams;
ret.fParams = params.fParams;
return ret;
}
static void ZSTD_cLevelToCCtxParams(ZSTD_CCtx_params* params)
{
if (params->compressionLevel == ZSTD_CLEVEL_CUSTOM) return;
@ -3438,11 +3447,9 @@ size_t ZSTD_compressBegin_advanced(ZSTD_CCtx* cctx,
ZSTD_parameters params,
unsigned long long pledgedSrcSize)
{
ZSTD_CCtx_params cctxParams = cctx->requestedParams;
cctxParams.cParams = params.cParams;
cctxParams.fParams = params.fParams;
ZSTD_CCtx_params cctxParams =
ZSTD_assignParamsToCCtxParams(cctx->requestedParams, params);
cctxParams.dictMode = ZSTD_dm_auto;
return ZSTD_compressBegin_advanced_internal(cctx, dict, dictSize, cctxParams,
pledgedSrcSize);
}
@ -3531,9 +3538,8 @@ static size_t ZSTD_compress_internal (ZSTD_CCtx* cctx,
const void* dict,size_t dictSize,
ZSTD_parameters params)
{
ZSTD_CCtx_params cctxParams = cctx->requestedParams;
cctxParams.cParams = params.cParams;
cctxParams.fParams = params.fParams;
ZSTD_CCtx_params cctxParams =
ZSTD_assignParamsToCCtxParams(cctx->requestedParams, params);
cctxParams.dictMode = ZSTD_dm_auto;
return ZSTD_compress_advanced_internal(cctx,
dst, dstCapacity,
@ -3959,10 +3965,9 @@ size_t ZSTD_initCStream_advanced(ZSTD_CStream* zcs,
const void* dict, size_t dictSize,
ZSTD_parameters params, unsigned long long pledgedSrcSize)
{
ZSTD_CCtx_params cctxParams = zcs->requestedParams;
ZSTD_CCtx_params cctxParams =
ZSTD_assignParamsToCCtxParams(zcs->requestedParams, params);
CHECK_F( ZSTD_checkCParams(params.cParams) );
cctxParams.cParams = params.cParams;
cctxParams.fParams = params.fParams;
cctxParams.compressionLevel = ZSTD_CLEVEL_CUSTOM;
return ZSTD_initCStream_internal(zcs, dict, dictSize, NULL, cctxParams, pledgedSrcSize);
}
@ -3970,9 +3975,8 @@ size_t ZSTD_initCStream_advanced(ZSTD_CStream* zcs,
size_t ZSTD_initCStream_usingDict(ZSTD_CStream* zcs, const void* dict, size_t dictSize, int compressionLevel)
{
ZSTD_parameters const params = ZSTD_getParams(compressionLevel, 0, dictSize);
ZSTD_CCtx_params cctxParams = zcs->requestedParams;
cctxParams.cParams = params.cParams;
cctxParams.fParams = params.fParams;
ZSTD_CCtx_params cctxParams =
ZSTD_assignParamsToCCtxParams(zcs->requestedParams, params);
cctxParams.compressionLevel = compressionLevel;
return ZSTD_initCStream_internal(zcs, dict, dictSize, NULL, cctxParams, 0);
}