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Diffstat (limited to 'CPP/7zip/Compress/Lzx86Converter.cpp')
-rw-r--r--CPP/7zip/Compress/Lzx86Converter.cpp90
1 files changed, 0 insertions, 90 deletions
diff --git a/CPP/7zip/Compress/Lzx86Converter.cpp b/CPP/7zip/Compress/Lzx86Converter.cpp
deleted file mode 100644
index 3a63057a..00000000
--- a/CPP/7zip/Compress/Lzx86Converter.cpp
+++ /dev/null
@@ -1,90 +0,0 @@
-// Lzx86Converter.cpp
-
-#include "StdAfx.h"
-
-#include "../../Common/Defs.h"
-
-#include "Lzx86Converter.h"
-
-namespace NCompress {
-namespace NLzx {
-
-static const UInt32 kResidue = 6 + 4;
-
-void Cx86ConvertOutStream::MakeTranslation()
-{
- if (_pos <= kResidue)
- return;
- UInt32 numBytes = _pos - kResidue;
- Byte *buf = _buf;
- for (UInt32 i = 0; i < numBytes;)
- {
- if (buf[i++] == 0xE8)
- {
- Int32 absValue = 0;
- unsigned j;
- for (j = 0; j < 4; j++)
- absValue += (UInt32)buf[i + j] << (j * 8);
- Int32 pos = (Int32)(_processedSize + i - 1);
- if (absValue >= -pos && absValue < (Int32)_translationSize)
- {
- UInt32 offset = (absValue >= 0) ?
- absValue - pos :
- absValue + _translationSize;
- for (j = 0; j < 4; j++)
- {
- buf[i + j] = (Byte)(offset & 0xFF);
- offset >>= 8;
- }
- }
- i += 4;
- }
- }
-}
-
-STDMETHODIMP Cx86ConvertOutStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
-{
- if (processedSize)
- *processedSize = 0;
- if (!_translationMode)
- return _stream->Write(data, size, processedSize);
- UInt32 realProcessedSize = 0;
- while (realProcessedSize < size)
- {
- UInt32 writeSize = MyMin(size - realProcessedSize, kUncompressedBlockSize - _pos);
- memcpy(_buf + _pos, (const Byte *)data + realProcessedSize, writeSize);
- _pos += writeSize;
- realProcessedSize += writeSize;
- if (_pos == kUncompressedBlockSize)
- {
- RINOK(Flush());
- }
- }
- if (processedSize)
- *processedSize = realProcessedSize;
- return S_OK;
-}
-
-HRESULT Cx86ConvertOutStream::Flush()
-{
- if (_pos == 0)
- return S_OK;
- if (_translationMode)
- MakeTranslation();
- UInt32 pos = 0;
- do
- {
- UInt32 processed;
- RINOK(_stream->Write(_buf + pos, _pos - pos, &processed));
- if (processed == 0)
- return E_FAIL;
- pos += processed;
- }
- while (pos < _pos);
- _processedSize += _pos;
- _pos = 0;
- _translationMode = (_translationMode && (_processedSize < ((UInt32)1 << 30)));
- return S_OK;
-}
-
-}}