ddidderr/zstd-rs
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added ZSTD_DCtx_reset()

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This commit is contained in:
Yann Collet
2017-09-25 16:56:48 -07:00
parent f2a913862c
commit 52a1d1c6dc
4 changed files with 47 additions and 13 deletions
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lib/decompress/zstd_decompress.c
+10 -1
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@@ -2262,13 +2262,15 @@ size_t ZSTD_initDStream_usingDict(ZSTD_DStream* zds, const void* dict, size_t di
return ZSTD_frameHeaderSize_prefix;
}
/* note : this variant can't fail */
size_t ZSTD_initDStream(ZSTD_DStream* zds)
{
return ZSTD_initDStream_usingDict(zds, NULL, 0);
}
/* ZSTD_initDStream_usingDDict() :
* ddict will just be referenced, and must outlive decompression session */
* ddict will just be referenced, and must outlive decompression session
* this function cannot fail */
size_t ZSTD_initDStream_usingDDict(ZSTD_DStream* zds, const ZSTD_DDict* ddict)
{
size_t const initResult = ZSTD_initDStream(zds);
@@ -2613,3 +2615,10 @@ size_t ZSTD_decompress_generic_simpleArgs (
*srcPos = input.pos;
return cErr;
}
void ZSTD_DCtx_reset(ZSTD_DCtx* dctx)
{
(void)ZSTD_initDStream(dctx);
dctx->format = ZSTD_f_zstd1;
dctx->maxWindowSize = ZSTD_MAXWINDOWSIZE_DEFAULT;
}