zstd/decompress/zstd_decompress.c

941                                   const void* dict, size_t dictSize,  in ZSTD_decompressMultiFrame()  argument
948     assert(dict==NULL || ddict==NULL);  /* either dict or ddict set, not both */  in ZSTD_decompressMultiFrame()
951         dict = ZSTD_DDict_dictContent(ddict);  in ZSTD_decompressMultiFrame()
977             FORWARD_IF_ERROR(ZSTD_decompressBegin_usingDict(dctx, dict, dictSize), "");  in ZSTD_decompressMultiFrame()
1011                            const void* dict, size_t dictSize)  in ZSTD_decompress_usingDict()  argument
1013     return ZSTD_decompressMultiFrame(dctx, dst, dstCapacity, src, srcSize, dict, dictSize, NULL);  in ZSTD_decompress_usingDict()
1270 static size_t ZSTD_refDictContent(ZSTD_DCtx* dctx, const void* dict, size_t dictSize)  in ZSTD_refDictContent()  argument
1273 …dctx->virtualStart = (const char*)dict - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx…  in ZSTD_refDictContent()
1274     dctx->prefixStart = dict;  in ZSTD_refDictContent()
1275     dctx->previousDstEnd = (const char*)dict + dictSize;  in ZSTD_refDictContent()
1288                   const void* const dict, size_t const dictSize)  in ZSTD_loadDEntropy()  argument
1290     const BYTE* dictPtr = (const BYTE*)dict;  in ZSTD_loadDEntropy()
1294     assert(MEM_readLE32(dict) == ZSTD_MAGIC_DICTIONARY);   /* dict must be valid */  in ZSTD_loadDEntropy()
1371     return (size_t)(dictPtr - (const BYTE*)dict);  in ZSTD_loadDEntropy()
1374 static size_t ZSTD_decompress_insertDictionary(ZSTD_DCtx* dctx, const void* dict, size_t dictSize)  in ZSTD_decompress_insertDictionary()  argument
1376     if (dictSize < 8) return ZSTD_refDictContent(dctx, dict, dictSize);  in ZSTD_decompress_insertDictionary()
1377     {   U32 const magic = MEM_readLE32(dict);  in ZSTD_decompress_insertDictionary()
1379             return ZSTD_refDictContent(dctx, dict, dictSize);   /* pure content mode */  in ZSTD_decompress_insertDictionary()
1381     dctx->dictID = MEM_readLE32((const char*)dict + ZSTD_FRAMEIDSIZE);  in ZSTD_decompress_insertDictionary()
1384     {   size_t const eSize = ZSTD_loadDEntropy(&dctx->entropy, dict, dictSize);  in ZSTD_decompress_insertDictionary()
1386         dict = (const char*)dict + eSize;  in ZSTD_decompress_insertDictionary()
1392     return ZSTD_refDictContent(dctx, dict, dictSize);  in ZSTD_decompress_insertDictionary()
1419 size_t ZSTD_decompressBegin_usingDict(ZSTD_DCtx* dctx, const void* dict, size_t dictSize)  in ZSTD_decompressBegin_usingDict()  argument
1422     if (dict && dictSize)  in ZSTD_decompressBegin_usingDict()
1424             ZSTD_isError(ZSTD_decompress_insertDictionary(dctx, dict, dictSize)),  in ZSTD_decompressBegin_usingDict()
1455 unsigned ZSTD_getDictID_fromDict(const void* dict, size_t dictSize)  in ZSTD_getDictID_fromDict()  argument
1458     if (MEM_readLE32(dict) != ZSTD_MAGIC_DICTIONARY) return 0;  in ZSTD_getDictID_fromDict()
1459     return MEM_readLE32((const char*)dict + ZSTD_FRAMEIDSIZE);  in ZSTD_getDictID_fromDict()
1531                                    const void* dict, size_t dictSize,  in ZSTD_DCtx_loadDictionary_advanced()  argument
1537     if (dict && dictSize != 0) {  in ZSTD_DCtx_loadDictionary_advanced()
1538 …dctx->ddictLocal = ZSTD_createDDict_advanced(dict, dictSize, dictLoadMethod, dictContentType, dctx…  in ZSTD_DCtx_loadDictionary_advanced()
1546 size_t ZSTD_DCtx_loadDictionary_byReference(ZSTD_DCtx* dctx, const void* dict, size_t dictSize)  in ZSTD_DCtx_loadDictionary_byReference()  argument
1548     return ZSTD_DCtx_loadDictionary_advanced(dctx, dict, dictSize, ZSTD_dlm_byRef, ZSTD_dct_auto);  in ZSTD_DCtx_loadDictionary_byReference()
1551 size_t ZSTD_DCtx_loadDictionary(ZSTD_DCtx* dctx, const void* dict, size_t dictSize)  in ZSTD_DCtx_loadDictionary()  argument
1553     return ZSTD_DCtx_loadDictionary_advanced(dctx, dict, dictSize, ZSTD_dlm_byCopy, ZSTD_dct_auto);  in ZSTD_DCtx_loadDictionary()
1572 size_t ZSTD_initDStream_usingDict(ZSTD_DStream* zds, const void* dict, size_t dictSize)  in ZSTD_initDStream_usingDict()  argument
1576     FORWARD_IF_ERROR( ZSTD_DCtx_loadDictionary(zds, dict, dictSize) , "");  in ZSTD_initDStream_usingDict()