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Update zstd to version 1.4.2

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This commit is contained in:
Tino Reichardt
2019-07-29 09:03:32 +02:00
parent f8d5879212
commit 1364288df0
26 changed files with 1466 additions and 1079 deletions
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17
C/zstd/zstd_v03.c
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@@ -219,6 +219,11 @@ MEM_STATIC void MEM_writeLE16(void* memPtr, U16 val)
}
}
MEM_STATIC U32 MEM_readLE24(const void* memPtr)
{
return MEM_readLE16(memPtr) + (((const BYTE*)memPtr)[2] << 16);
}
MEM_STATIC U32 MEM_readLE32(const void* memPtr)
{
if (MEM_isLittleEndian())
@@ -2684,11 +2689,11 @@ static void ZSTD_decodeSequence(seq_t* seq, seqState_t* seqState)
seqState->prevOffset = seq->offset;
if (litLength == MaxLL)
{
U32 add = *dumps++;
const U32 add = dumps<de ? *dumps++ : 0;
if (add < 255) litLength += add;
else
else if (dumps + 3 <= de)
{
litLength = MEM_readLE32(dumps) & 0xFFFFFF; /* no pb : dumps is always followed by seq tables > 1 byte */
litLength = MEM_readLE24(dumps);
dumps += 3;
}
if (dumps >= de) dumps = de-1; /* late correction, to avoid read overflow (data is now corrupted anyway) */
@@ -2714,11 +2719,11 @@ static void ZSTD_decodeSequence(seq_t* seq, seqState_t* seqState)
matchLength = FSE_decodeSymbol(&(seqState->stateML), &(seqState->DStream));
if (matchLength == MaxML)
{
U32 add = *dumps++;
const U32 add = dumps<de ? *dumps++ : 0;
if (add < 255) matchLength += add;
else
else if (dumps + 3 <= de)
{
matchLength = MEM_readLE32(dumps) & 0xFFFFFF; /* no pb : dumps is always followed by seq tables > 1 byte */
matchLength = MEM_readLE24(dumps);
dumps += 3;
}
if (dumps >= de) dumps = de-1; /* late correction, to avoid read overflow (data is now corrupted anyway) */