ddidderr/zstd-rs
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Add HUF_writeCTable_wksp() function

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This saves ~700 bytes of stack space in HUF_writeCTable.
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Nick Terrell committed 2021-03-05 10:29:18 -08:00
1 parent 0388054aab
commit 5df2a21f1e
3 files changed
+54 -29
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lib/compress/zstd_compress_superblock.c
+3 -2
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@@ -128,9 +128,10 @@ static size_t ZSTD_buildSuperBlockEntropy_literal(void* const src, size_t srcSiz
{ /* Build and write the CTable */
size_t const newCSize = HUF_estimateCompressedSize(
(HUF_CElt*)nextHuf->CTable, countWksp, maxSymbolValue);
size_t const hSize = HUF_writeCTable(
size_t const hSize = HUF_writeCTable_wksp(
hufMetadata->hufDesBuffer, sizeof(hufMetadata->hufDesBuffer),
(HUF_CElt*)nextHuf->CTable, maxSymbolValue, huffLog);
(HUF_CElt*)nextHuf->CTable, maxSymbolValue, huffLog,
nodeWksp, nodeWkspSize);
/* Check against repeating the previous CTable */
if (repeat != HUF_repeat_none) {
size_t const oldCSize = HUF_estimateCompressedSize(