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Backport decompression updates from new_engine

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This commit is contained in:
vit9696 2018-05-08 19:22:07 +03:00
parent b3f7beb236
commit f507d71ead
11 changed files with 3296 additions and 3312 deletions
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115
LZMA/LzmaDecompress.c
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@ -19,12 +19,12 @@ WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
UINT64
EFIAPI
LShiftU64(
UINT64 Operand,
UINT32 Count
)
LShiftU64 (
UINT64 Operand,
UINT32 Count
)
{
return Operand << Count;
return Operand << Count;
}
static void * AllocForLzma(void *p, size_t size) { (void)p; return malloc(size); }
@ -39,19 +39,19 @@ Get the size of the uncompressed buffer by parsing EncodeData header.
@return The size of the uncompressed buffer.
*/
UINT64
GetDecodedSizeOfBuf(
UINT8 *EncodedData
)
GetDecodedSizeOfBuf (
UINT8 *EncodedData
)
{
UINT64 DecodedSize;
INT32 Index;
UINT64 DecodedSize;
INT32 Index;
// Parse header
DecodedSize = 0;
for (Index = LZMA_PROPS_SIZE + 7; Index >= LZMA_PROPS_SIZE; Index--)
DecodedSize = LShiftU64(DecodedSize, 8) + EncodedData[Index];
// Parse header
DecodedSize = 0;
for (Index = LZMA_PROPS_SIZE + 7; Index >= LZMA_PROPS_SIZE; Index--)
DecodedSize = LShiftU64(DecodedSize, 8) + EncodedData[Index];
return DecodedSize;
return DecodedSize;
}
//
@ -85,18 +85,27 @@ DestinationSize and the size of the scratch
buffer was returned ScratchSize.
*/
INT32
EFI_STATUS
EFIAPI
LzmaGetInfo(
CONST VOID *Source,
UINTN SourceSize,
UINTN *DestinationSize
)
LzmaGetInfo (
CONST VOID *Source,
UINT32 SourceSize,
UINT32 *DestinationSize
)
{
ASSERT(SourceSize >= LZMA_HEADER_SIZE); (void)SourceSize;
UINT64 DecodedSize;
ASSERT(SourceSize >= LZMA_HEADER_SIZE);
(void)SourceSize;
*DestinationSize = (UINTN)GetDecodedSizeOfBuf((UINT8*)Source);
return ERR_SUCCESS;
DecodedSize = GetDecodedSizeOfBuf((UINT8*)Source);
if (DecodedSize <= UINT32_MAX) {
*DestinationSize = (UINT32)DecodedSize;
return ERR_SUCCESS;
}
else {
return ERR_INVALID_PARAMETER;
}
}
/*
@ -118,38 +127,38 @@ the uncompressed buffer is returned Destination.
The source buffer specified by Source is corrupted
(not a valid compressed format).
*/
INT32
EFI_STATUS
EFIAPI
LzmaDecompress(
CONST VOID *Source,
UINTN SourceSize,
VOID *Destination
)
LzmaDecompress (
CONST VOID *Source,
UINT32 SourceSize,
VOID *Destination
)
{
SRes LzmaResult;
ELzmaStatus Status;
SizeT DecodedBufSize;
SizeT EncodedDataSize;
SRes LzmaResult;
ELzmaStatus Status;
SizeT DecodedBufSize;
SizeT EncodedDataSize;
DecodedBufSize = (SizeT)GetDecodedSizeOfBuf((UINT8*)Source);
EncodedDataSize = (SizeT)(SourceSize - LZMA_HEADER_SIZE);
DecodedBufSize = (SizeT)GetDecodedSizeOfBuf((UINT8*)Source);
EncodedDataSize = (SizeT)(SourceSize - LZMA_HEADER_SIZE);
LzmaResult = LzmaDecode(
(Byte*)Destination,
&DecodedBufSize,
(Byte*)((UINT8*)Source + LZMA_HEADER_SIZE),
&EncodedDataSize,
(CONST Byte*) Source,
LZMA_PROPS_SIZE,
LZMA_FINISH_END,
&Status,
&SzAllocForLzma
);
LzmaResult = LzmaDecode(
(Byte*)Destination,
&DecodedBufSize,
(Byte*)((UINT8*)Source + LZMA_HEADER_SIZE),
&EncodedDataSize,
(CONST Byte*) Source,
LZMA_PROPS_SIZE,
LZMA_FINISH_END,
&Status,
&SzAllocForLzma
);
if (LzmaResult == SZ_OK) {
return ERR_SUCCESS;
}
else {
return ERR_INVALID_PARAMETER;
}
if (LzmaResult == SZ_OK) {
return ERR_SUCCESS;
}
else {
return ERR_INVALID_PARAMETER;
}
}