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Fix ZSTD_initCStream_advanced() with no dictionary and static allocation

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This commit is contained in:
Nick Terrell
2020-08-14 12:42:06 -07:00
parent e975de289c
commit 046aca190f
1 changed files with 4 additions and 3 deletions
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7
lib/compress/zstd_compress.c
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@@ -894,8 +894,6 @@ size_t ZSTD_CCtx_loadDictionary_advanced(
{
RETURN_ERROR_IF(cctx->streamStage != zcss_init, stage_wrong,
"Can't load a dictionary when ctx is not in init stage.");
RETURN_ERROR_IF(cctx->staticSize, memory_allocation,
"no malloc for static CCtx");
DEBUGLOG(4, "ZSTD_CCtx_loadDictionary_advanced (size: %u)", (U32)dictSize);
ZSTD_clearAllDicts(cctx); /* in case one already exists */
if (dict == NULL || dictSize == 0) /* no dictionary mode */
@@ -903,7 +901,10 @@ size_t ZSTD_CCtx_loadDictionary_advanced(
if (dictLoadMethod == ZSTD_dlm_byRef) {
cctx->localDict.dict = dict;
} else {
void* dictBuffer = ZSTD_customMalloc(dictSize, cctx->customMem);
void* dictBuffer;
RETURN_ERROR_IF(cctx->staticSize, memory_allocation,
"no malloc for static CCtx");
dictBuffer = ZSTD_customMalloc(dictSize, cctx->customMem);
RETURN_ERROR_IF(!dictBuffer, memory_allocation, "NULL pointer!");
ZSTD_memcpy(dictBuffer, dict, dictSize);
cctx->localDict.dictBuffer = dictBuffer;