mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 05:54:26 -04:00
405 lines
10 KiB
Diff
405 lines
10 KiB
Diff
--- a/C/7zip/Compress/LZMA/LZMADecoder.cpp
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+++ b/C/7zip/Compress/LZMA/LZMADecoder.cpp
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@@ -274,12 +274,17 @@ STDMETHODIMP CDecoder::SetDecoderPropert
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Byte remainder = (Byte)(properties[0] / 9);
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int lp = remainder % 5;
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int pb = remainder / 5;
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- if (pb > NLength::kNumPosStatesBitsMax)
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- return E_INVALIDARG;
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- _posStateMask = (1 << pb) - 1;
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UInt32 dictionarySize = 0;
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for (int i = 0; i < 4; i++)
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dictionarySize += ((UInt32)(properties[1 + i])) << (i * 8);
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+ return SetDecoderPropertiesRaw(lc, lp, pb, dictionarySize);
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+}
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+
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+STDMETHODIMP CDecoder::SetDecoderPropertiesRaw(int lc, int lp, int pb, UInt32 dictionarySize)
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+{
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+ if (pb > NLength::kNumPosStatesBitsMax)
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+ return E_INVALIDARG;
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+ _posStateMask = (1 << pb) - 1;
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if (!_outWindowStream.Create(dictionarySize))
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return E_OUTOFMEMORY;
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if (!_literalDecoder.Create(lp, lc))
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--- a/C/7zip/Compress/LZMA/LZMADecoder.h
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+++ b/C/7zip/Compress/LZMA/LZMADecoder.h
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@@ -228,6 +228,7 @@ public:
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ICompressProgressInfo *progress);
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STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
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+ STDMETHOD(SetDecoderPropertiesRaw)(int lc, int lp, int pb, UInt32 dictionarySize);
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STDMETHOD(GetInStreamProcessedSize)(UInt64 *value);
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--- /dev/null
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+++ b/C/7zip/Compress/LZMA_Lib/makefile
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@@ -0,0 +1,92 @@
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+PROG = liblzma.a
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+CXX = g++ -O3 -Wall
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+AR = ar
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+RM = rm -f
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+CFLAGS = -c -I ../../../
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+
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+OBJS = \
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+ ZLib.o \
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+ LZMADecoder.o \
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+ LZMAEncoder.o \
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+ LZInWindow.o \
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+ LZOutWindow.o \
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+ RangeCoderBit.o \
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+ InBuffer.o \
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+ OutBuffer.o \
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+ FileStreams.o \
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+ Alloc.o \
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+ C_FileIO.o \
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+ CommandLineParser.o \
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+ CRC.o \
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+ StreamUtils.o \
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+ String.o \
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+ StringConvert.o \
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+ StringToInt.o \
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+ Vector.o \
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+
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+
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+all: $(PROG)
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+
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+$(PROG): $(OBJS)
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+ $(AR) r $(PROG) $(OBJS)
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+
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+ZLib.o: ZLib.cpp
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+ $(CXX) $(CFLAGS) ZLib.cpp
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+
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+LZMADecoder.o: ../LZMA/LZMADecoder.cpp
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+ $(CXX) $(CFLAGS) ../LZMA/LZMADecoder.cpp
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+
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+LZMAEncoder.o: ../LZMA/LZMAEncoder.cpp
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+ $(CXX) $(CFLAGS) ../LZMA/LZMAEncoder.cpp
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+
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+LZInWindow.o: ../LZ/LZInWindow.cpp
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+ $(CXX) $(CFLAGS) ../LZ/LZInWindow.cpp
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+
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+LZOutWindow.o: ../LZ/LZOutWindow.cpp
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+ $(CXX) $(CFLAGS) ../LZ/LZOutWindow.cpp
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+
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+RangeCoderBit.o: ../RangeCoder/RangeCoderBit.cpp
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+ $(CXX) $(CFLAGS) ../RangeCoder/RangeCoderBit.cpp
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+
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+InBuffer.o: ../../Common/InBuffer.cpp
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+ $(CXX) $(CFLAGS) ../../Common/InBuffer.cpp
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+
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+OutBuffer.o: ../../Common/OutBuffer.cpp
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+ $(CXX) $(CFLAGS) ../../Common/OutBuffer.cpp
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+
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+StreamUtils.o: ../../Common/StreamUtils.cpp
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+ $(CXX) $(CFLAGS) ../../Common/StreamUtils.cpp
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+
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+FileStreams.o: ../../Common/FileStreams.cpp
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+ $(CXX) $(CFLAGS) ../../Common/FileStreams.cpp
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+
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+Alloc.o: ../../../Common/Alloc.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/Alloc.cpp
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+
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+C_FileIO.o: ../../../Common/C_FileIO.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/C_FileIO.cpp
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+
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+CommandLineParser.o: ../../../Common/CommandLineParser.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/CommandLineParser.cpp
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+
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+CRC.o: ../../../Common/CRC.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/CRC.cpp
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+
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+MyWindows.o: ../../../Common/MyWindows.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/MyWindows.cpp
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+
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+String.o: ../../../Common/String.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/String.cpp
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+
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+StringConvert.o: ../../../Common/StringConvert.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/StringConvert.cpp
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+
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+StringToInt.o: ../../../Common/StringToInt.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/StringToInt.cpp
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+
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+Vector.o: ../../../Common/Vector.cpp
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+ $(CXX) $(CFLAGS) ../../../Common/Vector.cpp
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+
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+clean:
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+ -$(RM) $(PROG) $(OBJS)
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+
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--- /dev/null
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+++ b/C/7zip/Compress/LZMA_Lib/ZLib.cpp
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@@ -0,0 +1,273 @@
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+/*
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+ * lzma zlib simplified wrapper
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+ *
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+ * Copyright (c) 2005-2006 Oleg I. Vdovikin <oleg@cs.msu.su>
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+ *
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+ * This library is free software; you can redistribute
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+ * it and/or modify it under the terms of the GNU Lesser
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+ * General Public License as published by the Free Software
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+ * Foundation; either version 2.1 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This library is distributed in the hope that it will be
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+ * useful, but WITHOUT ANY WARRANTY; without even the implied
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+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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+ * PURPOSE. See the GNU Lesser General Public License
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+ * for more details.
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+ *
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+ * You should have received a copy of the GNU Lesser General
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+ * Public License along with this library; if not, write to
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+ * the Free Software Foundation, Inc., 59 Temple Place,
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+ * Suite 330, Boston, MA 02111-1307 USA
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+ */
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+
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+/*
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+ * default values for encoder/decoder used by wrapper
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+ */
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+
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+#include <zlib.h>
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+
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+#define ZLIB_LC 3
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+#define ZLIB_LP 0
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+#define ZLIB_PB 2
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+
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+#ifdef WIN32
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+#include <initguid.h>
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+#else
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+#define INITGUID
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+#endif
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+
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+#include "../../../Common/MyWindows.h"
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+#include "../LZMA/LZMADecoder.h"
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+#include "../LZMA/LZMAEncoder.h"
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+
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+#define STG_E_SEEKERROR ((HRESULT)0x80030019L)
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+#define STG_E_MEDIUMFULL ((HRESULT)0x80030070L)
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+
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+class CInMemoryStream:
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+ public IInStream,
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+ public IStreamGetSize,
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+ public CMyUnknownImp
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+{
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+public:
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+ CInMemoryStream(const Bytef *data, UInt64 size) :
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+ m_data(data), m_size(size), m_offset(0) {}
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+
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+ virtual ~CInMemoryStream() {}
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+
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+ MY_UNKNOWN_IMP2(IInStream, IStreamGetSize)
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+
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+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize)
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+ {
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+ if (size > m_size - m_offset)
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+ size = m_size - m_offset;
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+
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+ if (size) {
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+ memcpy(data, m_data + m_offset, size);
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+ }
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+
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+ m_offset += size;
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+
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+ if (processedSize)
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+ *processedSize = size;
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+
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+ return S_OK;
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+ }
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+
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+ STDMETHOD(ReadPart)(void *data, UInt32 size, UInt32 *processedSize)
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+ {
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+ return Read(data, size, processedSize);
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+ }
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+
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+ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)
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+ {
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+ UInt64 _offset;
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+
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+ if (seekOrigin == STREAM_SEEK_SET) _offset = offset;
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+ else if (seekOrigin == STREAM_SEEK_CUR) _offset = m_offset + offset;
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+ else if (seekOrigin == STREAM_SEEK_END) _offset = m_size;
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+ else return STG_E_INVALIDFUNCTION;
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+
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+ if (_offset < 0 || _offset > m_size)
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+ return STG_E_SEEKERROR;
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+
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+ m_offset = _offset;
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+
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+ if (newPosition)
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+ *newPosition = m_offset;
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+
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+ return S_OK;
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+ }
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+
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+ STDMETHOD(GetSize)(UInt64 *size)
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+ {
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+ *size = m_size;
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+ return S_OK;
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+ }
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+protected:
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+ const Bytef *m_data;
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+ UInt64 m_size;
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+ UInt64 m_offset;
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+};
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+
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+class COutMemoryStream:
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+ public IOutStream,
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+ public CMyUnknownImp
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+{
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+public:
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+ COutMemoryStream(Bytef *data, UInt64 maxsize) :
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+ m_data(data), m_size(0), m_maxsize(maxsize), m_offset(0) {}
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+ virtual ~COutMemoryStream() {}
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+
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+ MY_UNKNOWN_IMP1(IOutStream)
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+
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+ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize)
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+ {
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+ if (size > m_maxsize - m_offset)
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+ size = m_maxsize - m_offset;
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+
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+ if (size) {
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+ memcpy(m_data + m_offset, data, size);
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+ }
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+
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+ m_offset += size;
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+
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+ if (m_offset > m_size)
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+ m_size = m_offset;
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+
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+ if (processedSize)
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+ *processedSize = size;
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+
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+ return S_OK;
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+ }
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+
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+ STDMETHOD(WritePart)(const void *data, UInt32 size, UInt32 *processedSize)
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+ {
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+ return Write(data, size, processedSize);
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+ }
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+
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+ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)
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+ {
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+ UInt64 _offset;
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+
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+ if (seekOrigin == STREAM_SEEK_SET) _offset = offset;
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+ else if (seekOrigin == STREAM_SEEK_CUR) _offset = m_offset + offset;
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+ else if (seekOrigin == STREAM_SEEK_END) _offset = m_size;
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+ else return STG_E_INVALIDFUNCTION;
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+
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+ if (_offset < 0 || _offset > m_maxsize)
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+ return STG_E_SEEKERROR;
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+
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+ m_offset = _offset;
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+
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+ if (newPosition)
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+ *newPosition = m_offset;
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+
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+ return S_OK;
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+ }
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+
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+ STDMETHOD(SetSize)(Int64 newSize)
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+ {
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+ if ((UInt64)newSize > m_maxsize)
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+ return STG_E_MEDIUMFULL;
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+
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+ return S_OK;
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+ }
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+protected:
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+ Bytef *m_data;
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+ UInt64 m_size;
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+ UInt64 m_maxsize;
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+ UInt64 m_offset;
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+};
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+
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+ZEXTERN int ZEXPORT compress2 (Bytef *dest, uLongf *destLen,
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+ const Bytef *source, uLong sourceLen,
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+ int level)
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+{
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+ CInMemoryStream *inStreamSpec = new CInMemoryStream(source, sourceLen);
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+ CMyComPtr<ISequentialInStream> inStream = inStreamSpec;
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+
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+ COutMemoryStream *outStreamSpec = new COutMemoryStream(dest, *destLen);
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+ CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
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+
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+ NCompress::NLZMA::CEncoder *encoderSpec =
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+ new NCompress::NLZMA::CEncoder;
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+ CMyComPtr<ICompressCoder> encoder = encoderSpec;
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+
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+ PROPID propIDs[] =
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+ {
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+ NCoderPropID::kDictionarySize,
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+ NCoderPropID::kPosStateBits,
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+ NCoderPropID::kLitContextBits,
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+ NCoderPropID::kLitPosBits,
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+ NCoderPropID::kAlgorithm,
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+ NCoderPropID::kNumFastBytes,
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+ NCoderPropID::kMatchFinder,
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+ NCoderPropID::kEndMarker
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+ };
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+ const int kNumProps = sizeof(propIDs) / sizeof(propIDs[0]);
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+
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+ PROPVARIANT properties[kNumProps];
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+ for (int p = 0; p < 6; p++)
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+ properties[p].vt = VT_UI4;
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+ properties[0].ulVal = UInt32(1 << (level + 14));
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+ properties[1].ulVal = UInt32(ZLIB_PB);
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+ properties[2].ulVal = UInt32(ZLIB_LC); // for normal files
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+ properties[3].ulVal = UInt32(ZLIB_LP); // for normal files
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+ properties[4].ulVal = UInt32(2);
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+ properties[5].ulVal = UInt32(128);
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+
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+ properties[6].vt = VT_BSTR;
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+ properties[6].bstrVal = (BSTR)(const wchar_t *)L"BT4";
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+
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+ properties[7].vt = VT_BOOL;
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+ properties[7].boolVal = VARIANT_TRUE;
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+
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+ if (encoderSpec->SetCoderProperties(propIDs, properties, kNumProps) != S_OK)
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+ return Z_MEM_ERROR; // should not happen
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+
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+ HRESULT result = encoder->Code(inStream, outStream, 0, 0, 0);
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+ if (result == E_OUTOFMEMORY)
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+ {
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+ return Z_MEM_ERROR;
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+ }
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+ else if (result != S_OK)
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+ {
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+ return Z_BUF_ERROR; // should not happen
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+ }
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+
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+ UInt64 fileSize;
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+ outStreamSpec->Seek(0, STREAM_SEEK_END, &fileSize);
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+ *destLen = fileSize;
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+
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+ return Z_OK;
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+}
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+
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+ZEXTERN int ZEXPORT uncompress (Bytef *dest, uLongf *destLen,
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+ const Bytef *source, uLong sourceLen)
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+{
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+ CInMemoryStream *inStreamSpec = new CInMemoryStream(source, sourceLen);
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+ CMyComPtr<ISequentialInStream> inStream = inStreamSpec;
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+
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+ COutMemoryStream *outStreamSpec = new COutMemoryStream(dest, *destLen);
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+ CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
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+
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+ NCompress::NLZMA::CDecoder *decoderSpec =
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+ new NCompress::NLZMA::CDecoder;
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+ CMyComPtr<ICompressCoder> decoder = decoderSpec;
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+
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+ if (decoderSpec->SetDecoderPropertiesRaw(ZLIB_LC,
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+ ZLIB_LP, ZLIB_PB, (1 << 23)) != S_OK) return Z_DATA_ERROR;
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+
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+ UInt64 fileSize = *destLen;
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+
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+ if (decoder->Code(inStream, outStream, 0, &fileSize, 0) != S_OK)
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+ {
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+ return Z_DATA_ERROR;
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+ }
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+
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+ outStreamSpec->Seek(0, STREAM_SEEK_END, &fileSize);
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+ *destLen = fileSize;
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+
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+ return Z_OK;
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+}
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