zstd/decompress/zstd_decompress.c

1285  * @return : size of entropy tables read */
1287 ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy,
1297     ZSTD_STATIC_ASSERT(offsetof(ZSTD_entropyDTables_t, OFTable) == offsetof(ZSTD_entropyDTables_t, LLTable) + sizeof(entropy->LLTable));
1298     ZSTD_STATIC_ASSERT(offsetof(ZSTD_entropyDTables_t, MLTable) == offsetof(ZSTD_entropyDTables_t, OFTable) + sizeof(entropy->OFTable));
1299     ZSTD_STATIC_ASSERT(sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable) >= HUF_DECOMPRESS_WORKSPACE_SIZE);
1300     {   void* const workspace = &entropy->LLTable;   /* use fse tables as temporary workspace; implies fse tables are grouped together */
1301         size_t const workspaceSize = sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable);
1304         size_t const hSize = HUF_readDTableX1_wksp(entropy->hufTable,
1308         size_t const hSize = HUF_readDTableX2_wksp(entropy->hufTable,
1322         ZSTD_buildFSETable( entropy->OFTable,
1326                             entropy->workspace, sizeof(entropy->workspace),
1337         ZSTD_buildFSETable( entropy->MLTable,
1341                             entropy->workspace, sizeof(entropy->workspace),
1352         ZSTD_buildFSETable( entropy->LLTable,
1356                             entropy->workspace, sizeof(entropy->workspace),
1368             entropy->rep[i] = rep;
1383     /* load entropy tables */
1384     {   size_t const eSize = ZSTD_loadDEntropy(&dctx->entropy, dict, dictSize);
1406     dctx->entropy.hufTable[0] = (HUF_DTable)((HufLog)*0x1000001);  /* cover both little and big endian */
1410     ZSTD_STATIC_ASSERT(sizeof(dctx->entropy.rep) == sizeof(repStartValue));
1411     ZSTD_memcpy(dctx->entropy.rep, repStartValue, sizeof(repStartValue));  /* initial repcodes */
1412     dctx->LLTptr = dctx->entropy.LLTable;
1413     dctx->MLTptr = dctx->entropy.MLTable;
1414     dctx->OFTptr = dctx->entropy.OFTable;
1415     dctx->HUFptr = dctx->entropy.hufTable;