ddidderr/zstd-rs
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Delete unused Huffman functions

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Remove all Huffman functions that aren't used by zstd.
This commit is contained in:
Nick Terrell
2023-01-20 14:12:53 -08:00
committed by Nick Terrell
parent bb9b9bc7be
commit 0cc1b0cb22
15 changed files with 57 additions and 581 deletions
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lib/decompress/zstd_decompress.c
+4 -5
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@@ -59,7 +59,6 @@
#include "../common/mem.h" /* low level memory routines */
#define FSE_STATIC_LINKING_ONLY
#include "../common/fse.h"
#define HUF_STATIC_LINKING_ONLY
#include "../common/huf.h"
#include "../common/xxhash.h" /* XXH64_reset, XXH64_update, XXH64_digest, XXH64 */
#include "../common/zstd_internal.h" /* blockProperties_t */
@@ -1436,13 +1435,13 @@ ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy,
size_t const workspaceSize = sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable);
#ifdef HUF_FORCE_DECOMPRESS_X1
/* in minimal huffman, we always use X1 variants */
size_t const hSize = HUF_readDTableX1_wksp(entropy->hufTable,
size_t const hSize = HUF_readDTableX1_wksp_bmi2(entropy->hufTable,
dictPtr, dictEnd - dictPtr,
workspace, workspaceSize);
workspace, workspaceSize, /* bmi2 */ 0);
#else
size_t const hSize = HUF_readDTableX2_wksp(entropy->hufTable,
size_t const hSize = HUF_readDTableX2_wksp_bmi2(entropy->hufTable,
dictPtr, (size_t)(dictEnd - dictPtr),
workspace, workspaceSize);
workspace, workspaceSize, /* bmi2 */ 0);
#endif
RETURN_ERROR_IF(HUF_isError(hSize), dictionary_corrupted, "");
dictPtr += hSize;