-+/*\r
-+ * lzma zlib simplified wrapper\r
-+ *\r
-+ * Copyright (c) 2005-2006 Oleg I. Vdovikin <oleg@cs.msu.su>\r
-+ *\r
-+ * This library is free software; you can redistribute \r
-+ * it and/or modify it under the terms of the GNU Lesser \r
-+ * General Public License as published by the Free Software \r
-+ * Foundation; either version 2.1 of the License, or \r
-+ * (at your option) any later version.\r
-+ *\r
-+ * This library is distributed in the hope that it will be \r
-+ * useful, but WITHOUT ANY WARRANTY; without even the implied \r
-+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR \r
-+ * PURPOSE. See the GNU Lesser General Public License \r
-+ * for more details.\r
-+ *\r
-+ * You should have received a copy of the GNU Lesser General \r
-+ * Public License along with this library; if not, write to \r
-+ * the Free Software Foundation, Inc., 59 Temple Place, \r
-+ * Suite 330, Boston, MA 02111-1307 USA \r
-+ */\r
-+\r
-+/*\r
-+ * default values for encoder/decoder used by wrapper\r
-+ */\r
-+\r
-+#include <zlib.h>\r
-+\r
-+#define ZLIB_LC 3\r
-+#define ZLIB_LP 0\r
-+#define ZLIB_PB 2\r
-+\r
-+#ifdef WIN32\r
-+#include <initguid.h>\r
-+#else\r
-+#define INITGUID\r
-+#endif\r
-+\r
-+#include "../../../Common/MyWindows.h"\r
-+#include "../LZMA/LZMADecoder.h"\r
-+#include "../LZMA/LZMAEncoder.h"\r
-+\r
-+#define STG_E_SEEKERROR ((HRESULT)0x80030019L)\r
-+#define STG_E_MEDIUMFULL ((HRESULT)0x80030070L)\r
-+\r
-+class CInMemoryStream: \r
-+ public IInStream,\r
-+ public IStreamGetSize,\r
-+ public CMyUnknownImp\r
-+{\r
-+public:\r
-+ CInMemoryStream(const Bytef *data, UInt64 size) : \r
-+ m_data(data), m_size(size), m_offset(0) {}\r
-+\r
-+ virtual ~CInMemoryStream() {}\r
-+\r
-+ MY_UNKNOWN_IMP2(IInStream, IStreamGetSize)\r
-+\r
-+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize)\r
-+ {\r
-+ if (size > m_size - m_offset) \r
-+ size = m_size - m_offset;\r
-+\r
-+ if (size) {\r
-+ memcpy(data, m_data + m_offset, size);\r
-+ }\r
-+\r
-+ m_offset += size;\r
-+\r
-+ if (processedSize) \r
-+ *processedSize = size;\r
-+\r
-+ return S_OK;\r
-+ }\r
-+\r
-+ STDMETHOD(ReadPart)(void *data, UInt32 size, UInt32 *processedSize)\r
-+ {\r
-+ return Read(data, size, processedSize);\r
-+ }\r
-+\r
-+ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)\r
-+ {\r
-+ UInt64 _offset;\r
-+\r
-+ if (seekOrigin == STREAM_SEEK_SET) _offset = offset;\r
-+ else if (seekOrigin == STREAM_SEEK_CUR) _offset = m_offset + offset; \r
-+ else if (seekOrigin == STREAM_SEEK_END) _offset = m_size;\r
-+ else return STG_E_INVALIDFUNCTION;\r
-+\r
-+ if (_offset < 0 || _offset > m_size)\r
-+ return STG_E_SEEKERROR;\r
-+\r
-+ m_offset = _offset;\r
-+\r
-+ if (newPosition)\r
-+ *newPosition = m_offset;\r
-+\r
-+ return S_OK;\r
-+ }\r
-+\r
-+ STDMETHOD(GetSize)(UInt64 *size)\r
-+ {\r
-+ *size = m_size;\r
-+ return S_OK;\r
-+ }\r
-+protected:\r
-+ const Bytef *m_data;\r
-+ UInt64 m_size;\r
-+ UInt64 m_offset;\r
-+};\r
-+\r
-+class COutMemoryStream: \r
-+ public IOutStream,\r
-+ public CMyUnknownImp\r
-+{\r
-+public:\r
-+ COutMemoryStream(Bytef *data, UInt64 maxsize) : \r
-+ m_data(data), m_size(0), m_maxsize(maxsize), m_offset(0) {}\r
-+ virtual ~COutMemoryStream() {}\r
-+ \r
-+ MY_UNKNOWN_IMP1(IOutStream)\r
-+\r
-+ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize)\r
-+ {\r
-+ if (size > m_maxsize - m_offset) \r
-+ size = m_maxsize - m_offset;\r
-+\r
-+ if (size) {\r
-+ memcpy(m_data + m_offset, data, size);\r
-+ }\r
-+\r
-+ m_offset += size;\r
-+\r
-+ if (m_offset > m_size)\r
-+ m_size = m_offset;\r
-+\r
-+ if (processedSize) \r
-+ *processedSize = size;\r
-+\r
-+ return S_OK;\r
-+ }\r
-+ \r
-+ STDMETHOD(WritePart)(const void *data, UInt32 size, UInt32 *processedSize)\r
-+ {\r
-+ return Write(data, size, processedSize);\r
-+ }\r
-+\r
-+ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)\r
-+ {\r
-+ UInt64 _offset;\r
-+\r
-+ if (seekOrigin == STREAM_SEEK_SET) _offset = offset;\r
-+ else if (seekOrigin == STREAM_SEEK_CUR) _offset = m_offset + offset; \r
-+ else if (seekOrigin == STREAM_SEEK_END) _offset = m_size;\r
-+ else return STG_E_INVALIDFUNCTION;\r
-+\r
-+ if (_offset < 0 || _offset > m_maxsize)\r
-+ return STG_E_SEEKERROR;\r
-+\r
-+ m_offset = _offset;\r
-+\r
-+ if (newPosition)\r
-+ *newPosition = m_offset;\r
-+\r
-+ return S_OK;\r
-+ }\r
-+ \r
-+ STDMETHOD(SetSize)(Int64 newSize)\r
-+ {\r
-+ if ((UInt64)newSize > m_maxsize) \r
-+ return STG_E_MEDIUMFULL;\r
-+\r
-+ return S_OK;\r
-+ }\r
-+protected:\r
-+ Bytef *m_data;\r
-+ UInt64 m_size;\r
-+ UInt64 m_maxsize;\r
-+ UInt64 m_offset;\r
-+};\r
-+\r
-+ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen,\r
-+ const Bytef *source, uLong sourceLen,\r
-+ int level))\r
-+{\r
-+ CInMemoryStream *inStreamSpec = new CInMemoryStream(source, sourceLen);\r
-+ CMyComPtr<ISequentialInStream> inStream = inStreamSpec;\r
-+ \r
-+ COutMemoryStream *outStreamSpec = new COutMemoryStream(dest, *destLen);\r
-+ CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;\r
-+ \r
-+ NCompress::NLZMA::CEncoder *encoderSpec = \r
-+ new NCompress::NLZMA::CEncoder;\r
-+ CMyComPtr<ICompressCoder> encoder = encoderSpec;\r
-+ \r
-+ PROPID propIDs[] = \r
-+ {\r
-+ NCoderPropID::kDictionarySize,\r
-+ NCoderPropID::kPosStateBits,\r
-+ NCoderPropID::kLitContextBits,\r
-+ NCoderPropID::kLitPosBits,\r
-+ NCoderPropID::kAlgorithm,\r
-+ NCoderPropID::kNumFastBytes,\r
-+ NCoderPropID::kMatchFinder,\r
-+ NCoderPropID::kEndMarker\r
-+ };\r
-+ const int kNumProps = sizeof(propIDs) / sizeof(propIDs[0]);\r
-+ \r
-+ PROPVARIANT properties[kNumProps];\r
-+ for (int p = 0; p < 6; p++)\r
-+ properties[p].vt = VT_UI4;\r
-+ properties[0].ulVal = UInt32(1 << (level + 14));\r
-+ properties[1].ulVal = UInt32(ZLIB_PB);\r
-+ properties[2].ulVal = UInt32(ZLIB_LC); // for normal files\r
-+ properties[3].ulVal = UInt32(ZLIB_LP); // for normal files\r
-+ properties[4].ulVal = UInt32(2);\r
-+ properties[5].ulVal = UInt32(128);\r
-+ \r
-+ properties[6].vt = VT_BSTR;\r
-+ properties[6].bstrVal = (BSTR)(const wchar_t *)L"BT4";\r
-+ \r
-+ properties[7].vt = VT_BOOL;\r
-+ properties[7].boolVal = VARIANT_TRUE;\r
-+ \r
-+ if (encoderSpec->SetCoderProperties(propIDs, properties, kNumProps) != S_OK)\r
-+ return Z_MEM_ERROR; // should not happen\r
-+ \r
-+ HRESULT result = encoder->Code(inStream, outStream, 0, 0, 0);\r
-+ if (result == E_OUTOFMEMORY)\r
-+ {\r
-+ return Z_MEM_ERROR;\r
-+ } \r
-+ else if (result != S_OK)\r
-+ {\r
-+ return Z_BUF_ERROR; // should not happen\r
-+ } \r
-+ \r
-+ UInt64 fileSize;\r
-+ outStreamSpec->Seek(0, STREAM_SEEK_END, &fileSize);\r
-+ *destLen = fileSize;\r
-+ \r
-+ return Z_OK;\r
-+}\r
-+\r
-+ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,\r
-+ const Bytef *source, uLong sourceLen))\r
-+{\r
-+ CInMemoryStream *inStreamSpec = new CInMemoryStream(source, sourceLen);\r
-+ CMyComPtr<ISequentialInStream> inStream = inStreamSpec;\r
-+ \r
-+ COutMemoryStream *outStreamSpec = new COutMemoryStream(dest, *destLen);\r
-+ CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;\r
-+ \r
-+ NCompress::NLZMA::CDecoder *decoderSpec = \r
-+ new NCompress::NLZMA::CDecoder;\r
-+ CMyComPtr<ICompressCoder> decoder = decoderSpec;\r
-+ \r
-+ if (decoderSpec->SetDecoderPropertiesRaw(ZLIB_LC, \r
-+ ZLIB_LP, ZLIB_PB, (1 << 23)) != S_OK) return Z_DATA_ERROR;\r
-+ \r
-+ UInt64 fileSize = *destLen;\r
-+ \r
-+ if (decoder->Code(inStream, outStream, 0, &fileSize, 0) != S_OK)\r
-+ {\r
-+ return Z_DATA_ERROR;\r
-+ }\r
-+ \r
-+ outStreamSpec->Seek(0, STREAM_SEEK_END, &fileSize);\r
-+ *destLen = fileSize;\r
-+ \r
-+ return Z_OK;\r
-+}\r
++/*
++ * lzma zlib simplified wrapper
++ *
++ * Copyright (c) 2005-2006 Oleg I. Vdovikin <oleg@cs.msu.su>
++ *
++ * This library is free software; you can redistribute
++ * it and/or modify it under the terms of the GNU Lesser
++ * General Public License as published by the Free Software
++ * Foundation; either version 2.1 of the License, or
++ * (at your option) any later version.
++ *
++ * This library is distributed in the hope that it will be
++ * useful, but WITHOUT ANY WARRANTY; without even the implied
++ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
++ * PURPOSE. See the GNU Lesser General Public License
++ * for more details.
++ *
++ * You should have received a copy of the GNU Lesser General
++ * Public License along with this library; if not, write to
++ * the Free Software Foundation, Inc., 59 Temple Place,
++ * Suite 330, Boston, MA 02111-1307 USA
++ */
++
++/*
++ * default values for encoder/decoder used by wrapper
++ */
++
++#include <zlib.h>
++
++#define ZLIB_LC 3
++#define ZLIB_LP 0
++#define ZLIB_PB 2
++
++#ifdef WIN32
++#include <initguid.h>
++#else
++#define INITGUID
++#endif
++
++#include "../../../Common/MyWindows.h"
++#include "../LZMA/LZMADecoder.h"
++#include "../LZMA/LZMAEncoder.h"
++
++#define STG_E_SEEKERROR ((HRESULT)0x80030019L)
++#define STG_E_MEDIUMFULL ((HRESULT)0x80030070L)
++
++class CInMemoryStream:
++ public IInStream,
++ public IStreamGetSize,
++ public CMyUnknownImp
++{
++public:
++ CInMemoryStream(const Bytef *data, UInt64 size) :
++ m_data(data), m_size(size), m_offset(0) {}
++
++ virtual ~CInMemoryStream() {}
++
++ MY_UNKNOWN_IMP2(IInStream, IStreamGetSize)
++
++ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize)
++ {
++ if (size > m_size - m_offset)
++ size = m_size - m_offset;
++
++ if (size) {
++ memcpy(data, m_data + m_offset, size);
++ }
++
++ m_offset += size;
++
++ if (processedSize)
++ *processedSize = size;
++
++ return S_OK;
++ }
++
++ STDMETHOD(ReadPart)(void *data, UInt32 size, UInt32 *processedSize)
++ {
++ return Read(data, size, processedSize);
++ }
++
++ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)
++ {
++ UInt64 _offset;
++
++ if (seekOrigin == STREAM_SEEK_SET) _offset = offset;
++ else if (seekOrigin == STREAM_SEEK_CUR) _offset = m_offset + offset;
++ else if (seekOrigin == STREAM_SEEK_END) _offset = m_size;
++ else return STG_E_INVALIDFUNCTION;
++
++ if (_offset < 0 || _offset > m_size)
++ return STG_E_SEEKERROR;
++
++ m_offset = _offset;
++
++ if (newPosition)
++ *newPosition = m_offset;
++
++ return S_OK;
++ }
++
++ STDMETHOD(GetSize)(UInt64 *size)
++ {
++ *size = m_size;
++ return S_OK;
++ }
++protected:
++ const Bytef *m_data;
++ UInt64 m_size;
++ UInt64 m_offset;
++};
++
++class COutMemoryStream:
++ public IOutStream,
++ public CMyUnknownImp
++{
++public:
++ COutMemoryStream(Bytef *data, UInt64 maxsize) :
++ m_data(data), m_size(0), m_maxsize(maxsize), m_offset(0) {}
++ virtual ~COutMemoryStream() {}
++
++ MY_UNKNOWN_IMP1(IOutStream)
++
++ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize)
++ {
++ if (size > m_maxsize - m_offset)
++ size = m_maxsize - m_offset;
++
++ if (size) {
++ memcpy(m_data + m_offset, data, size);
++ }
++
++ m_offset += size;
++
++ if (m_offset > m_size)
++ m_size = m_offset;
++
++ if (processedSize)
++ *processedSize = size;
++
++ return S_OK;
++ }
++
++ STDMETHOD(WritePart)(const void *data, UInt32 size, UInt32 *processedSize)
++ {
++ return Write(data, size, processedSize);
++ }
++
++ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)
++ {
++ UInt64 _offset;
++
++ if (seekOrigin == STREAM_SEEK_SET) _offset = offset;
++ else if (seekOrigin == STREAM_SEEK_CUR) _offset = m_offset + offset;
++ else if (seekOrigin == STREAM_SEEK_END) _offset = m_size;
++ else return STG_E_INVALIDFUNCTION;
++
++ if (_offset < 0 || _offset > m_maxsize)
++ return STG_E_SEEKERROR;
++
++ m_offset = _offset;
++
++ if (newPosition)
++ *newPosition = m_offset;
++
++ return S_OK;
++ }
++
++ STDMETHOD(SetSize)(Int64 newSize)
++ {
++ if ((UInt64)newSize > m_maxsize)
++ return STG_E_MEDIUMFULL;
++
++ return S_OK;
++ }
++protected:
++ Bytef *m_data;
++ UInt64 m_size;
++ UInt64 m_maxsize;
++ UInt64 m_offset;
++};
++
++ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen,
++ const Bytef *source, uLong sourceLen,
++ int level))
++{
++ CInMemoryStream *inStreamSpec = new CInMemoryStream(source, sourceLen);
++ CMyComPtr<ISequentialInStream> inStream = inStreamSpec;
++
++ COutMemoryStream *outStreamSpec = new COutMemoryStream(dest, *destLen);
++ CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
++
++ NCompress::NLZMA::CEncoder *encoderSpec =
++ new NCompress::NLZMA::CEncoder;
++ CMyComPtr<ICompressCoder> encoder = encoderSpec;
++
++ PROPID propIDs[] =
++ {
++ NCoderPropID::kDictionarySize,
++ NCoderPropID::kPosStateBits,
++ NCoderPropID::kLitContextBits,
++ NCoderPropID::kLitPosBits,
++ NCoderPropID::kAlgorithm,
++ NCoderPropID::kNumFastBytes,
++ NCoderPropID::kMatchFinder,
++ NCoderPropID::kEndMarker
++ };
++ const int kNumProps = sizeof(propIDs) / sizeof(propIDs[0]);
++
++ PROPVARIANT properties[kNumProps];
++ for (int p = 0; p < 6; p++)
++ properties[p].vt = VT_UI4;
++ properties[0].ulVal = UInt32(1 << (level + 14));
++ properties[1].ulVal = UInt32(ZLIB_PB);
++ properties[2].ulVal = UInt32(ZLIB_LC); // for normal files
++ properties[3].ulVal = UInt32(ZLIB_LP); // for normal files
++ properties[4].ulVal = UInt32(2);
++ properties[5].ulVal = UInt32(128);
++
++ properties[6].vt = VT_BSTR;
++ properties[6].bstrVal = (BSTR)(const wchar_t *)L"BT4";
++
++ properties[7].vt = VT_BOOL;
++ properties[7].boolVal = VARIANT_TRUE;
++
++ if (encoderSpec->SetCoderProperties(propIDs, properties, kNumProps) != S_OK)
++ return Z_MEM_ERROR; // should not happen
++
++ HRESULT result = encoder->Code(inStream, outStream, 0, 0, 0);
++ if (result == E_OUTOFMEMORY)
++ {
++ return Z_MEM_ERROR;
++ }
++ else if (result != S_OK)
++ {
++ return Z_BUF_ERROR; // should not happen
++ }
++
++ UInt64 fileSize;
++ outStreamSpec->Seek(0, STREAM_SEEK_END, &fileSize);
++ *destLen = fileSize;
++
++ return Z_OK;
++}
++
++ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
++ const Bytef *source, uLong sourceLen))
++{
++ CInMemoryStream *inStreamSpec = new CInMemoryStream(source, sourceLen);
++ CMyComPtr<ISequentialInStream> inStream = inStreamSpec;
++
++ COutMemoryStream *outStreamSpec = new COutMemoryStream(dest, *destLen);
++ CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
++
++ NCompress::NLZMA::CDecoder *decoderSpec =
++ new NCompress::NLZMA::CDecoder;
++ CMyComPtr<ICompressCoder> decoder = decoderSpec;
++
++ if (decoderSpec->SetDecoderPropertiesRaw(ZLIB_LC,
++ ZLIB_LP, ZLIB_PB, (1 << 23)) != S_OK) return Z_DATA_ERROR;
++
++ UInt64 fileSize = *destLen;
++
++ if (decoder->Code(inStream, outStream, 0, &fileSize, 0) != S_OK)
++ {
++ return Z_DATA_ERROR;
++ }
++
++ outStreamSpec->Seek(0, STREAM_SEEK_END, &fileSize);
++ *destLen = fileSize;
++
++ return Z_OK;
++}
projects / openwrt.git / commitdiff