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added ZSTD_CCtx_reset

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This commit is contained in:
Yann Collet
2017-06-16 10:17:50 -07:00
parent cc9f9b7f4c
commit bd18c885a3
2 changed files with 12 additions and 4 deletions
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lib/compress/zstd_compress.c
+9 -2
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@@ -399,14 +399,14 @@ ZSTDLIB_API size_t ZSTD_CCtx_loadDictionary(ZSTD_CCtx* cctx, const void* dict, s
}
/* Not ready yet ! */
ZSTDLIB_API size_t ZSTD_CCtx_refPrefix(ZSTD_CCtx* cctx, const void* prefix, size_t prefixSize)
size_t ZSTD_CCtx_refPrefix(ZSTD_CCtx* cctx, const void* prefix, size_t prefixSize)
{
(void)cctx; (void)prefix; (void)prefixSize; /* to be done later */
if (cctx->streamStage != zcss_init) return ERROR(stage_wrong);
return ERROR(compressionParameter_unsupported);
}
ZSTDLIB_API size_t ZSTD_CCtx_refCDict(ZSTD_CCtx* cctx, const ZSTD_CDict* cdict)
size_t ZSTD_CCtx_refCDict(ZSTD_CCtx* cctx, const ZSTD_CDict* cdict)
{
if (cctx->streamStage != zcss_init) return ERROR(stage_wrong);
cctx->cdict = cdict;
@@ -414,6 +414,13 @@ ZSTDLIB_API size_t ZSTD_CCtx_refCDict(ZSTD_CCtx* cctx, const ZSTD_CDict* cdict)
}
void ZSTD_CCtx_reset(ZSTD_CCtx* cctx)
{
cctx->streamStage = zcss_init;
cctx->frameContentSize = ZSTD_CONTENTSIZE_UNKNOWN;
cctx->cdict = NULL;
}
/** ZSTD_checkParams() :
ensure param values remain within authorized range.
@return : 0, or an error code if one value is beyond authorized range */