Move ZlibDecompressor to libshared

* This will be used to implement compressed http streams
* Remove the custom BDataOutput class, and use BDataIO instead, for
easier integration with existing code.

headers/build/private/package/hpkg/ZlibCompressionBase.h

@@ -1 +0,0 @@
-#include <../private/package/hpkg/ZlibCompressionBase.h>

headers/build/private/package/hpkg/ZlibDecompressor.h

@@ -1 +0,0 @@
-#include <../private/package/hpkg/ZlibDecompressor.h>

headers/build/private/shared/ZlibCompressionBase.h

@@ -0,0 +1 @@
+#include <../private/shared/ZlibCompressionBase.h>

headers/build/private/shared/ZlibDecompressor.h

@@ -0,0 +1 @@
+#include <../private/shared/ZlibDecompressor.h>

headers/os/package/hpkg/BufferDataOutput.h

@@ -6,6 +6,7 @@
 #define _PACKAGE__HPKG__DATA_OUTPUT_H_
 
 
+#include <DataIO.h>
 #include <SupportDefs.h>
 
 
@@ -14,21 +15,15 @@ namespace BPackageKit {
 namespace BHPKG {
 
 
-class BDataOutput {
-public:
-	virtual						~BDataOutput();
-
-	virtual	status_t			WriteData(const void* buffer, size_t size) = 0;
-};
-
-
-class BBufferDataOutput : public BDataOutput {
+class BBufferDataOutput : public BDataIO {
 public:
 								BBufferDataOutput(void* buffer, size_t size);
 
 			size_t				BytesWritten() const { return fBytesWritten; }
 
-	virtual	status_t			WriteData(const void* buffer, size_t size);
+	virtual	status_t			Write(const void* buffer, size_t size);
+	virtual ssize_t				Read(void* buffer, size_t size)
+									{ return B_NOT_SUPPORTED; }
 
 private:
 			void*				fBuffer;

headers/os/package/hpkg/DataReader.h

@@ -9,14 +9,14 @@
 #include <SupportDefs.h>
 
 
+class BDataIO;
+
+
 namespace BPackageKit {
 
 namespace BHPKG {
 
 
-class BDataOutput;
-
-
 class BDataReader {
 public:
 	virtual						~BDataReader();
@@ -33,7 +33,7 @@ public:
 	virtual	status_t			ReadData(off_t offset, void* buffer,
 									size_t size);
 	virtual	status_t			ReadDataToOutput(off_t offset, size_t size,
-									BDataOutput* output) = 0;
+									BDataIO* output) = 0;
 };
 
 
@@ -73,7 +73,7 @@ public:
 	virtual	status_t			ReadData(off_t offset, void* buffer,
 									size_t size);
 	virtual	status_t			ReadDataToOutput(off_t offset, size_t size,
-									BDataOutput* output);
+									BDataIO* output);
 
 private:
 			const void*			fData;

headers/private/package/hpkg/DataWriters.h

@@ -7,7 +7,7 @@
 #define _PACKAGE__HPKG__PRIVATE__DATA_WRITERS_H_
 
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/ZlibCompressor.h>
 
 
@@ -59,7 +59,7 @@ private:
 };
 
 
-class ZlibDataWriter : public AbstractDataWriter, private BDataOutput {
+class ZlibDataWriter : public AbstractDataWriter, private BDataIO {
 public:
 								ZlibDataWriter(AbstractDataWriter* dataWriter);
 
@@ -71,7 +71,7 @@ public:
 
 private:
 	// BDataOutput
-	virtual	status_t			WriteData(const void* buffer, size_t size);
+	virtual	status_t			Write(const void* buffer, size_t size);
 
 private:
 			AbstractDataWriter*	fDataWriter;

headers/private/package/hpkg/PackageFileHeapAccessorBase.h

@@ -49,7 +49,7 @@ public:
 
 	// BAbstractBufferedDataReader
 	virtual	status_t			ReadDataToOutput(off_t offset, size_t size,
-									BDataOutput* output);
+									BDataIO* output);
 
 public:
 	static	const size_t		kChunkSize = 64 * 1024;

headers/private/package/hpkg/WriterImplBase.h

@@ -10,7 +10,7 @@
 
 #include <package/hpkg/HPKGDefsPrivate.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/DataWriters.h>
 #include <package/hpkg/PackageWriter.h>
 #include <package/hpkg/Strings.h>

headers/private/package/hpkg/ZlibCompressor.h

@@ -8,7 +8,10 @@
 
 #include <zlib.h>
 
-#include <package/hpkg/ZlibCompressionBase.h>
+#include <ZlibCompressionBase.h>
+
+
+class BDataIO;
 
 
 namespace BPackageKit {
@@ -16,15 +19,12 @@ namespace BPackageKit {
 namespace BHPKG {
 
 
-class BDataOutput;
-
-
 namespace BPrivate {
 
 
-class ZlibCompressor : public ZlibCompressionBase {
+class ZlibCompressor : public ::BPrivate::ZlibCompressionBase {
 public:
-								ZlibCompressor(BDataOutput* output);
+								ZlibCompressor(BDataIO* output);
 								~ZlibCompressor();
 
 			status_t			Init(int compressionLevel = Z_BEST_COMPRESSION);
@@ -39,7 +39,7 @@ public:
 
 private:
 			z_stream			fStream;
-			BDataOutput*		fOutput;
+			BDataIO*			fOutput;
 			bool				fStreamInitialized;
 };
 

headers/private/shared/ZlibCompressionBase.h

@@ -2,17 +2,13 @@
  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
  * Distributed under the terms of the MIT License.
  */
-#ifndef _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSION_BASE_H_
-#define _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSION_BASE_H_
+#ifndef _PRIVATE__ZLIB_COMPRESSION_BASE_H_
+#define _PRIVATE__ZLIB_COMPRESSION_BASE_H_
 
 
 #include <SupportDefs.h>
 
 
-namespace BPackageKit {
-
-namespace BHPKG {
-
 namespace BPrivate {
 
 
@@ -24,9 +20,4 @@ public:
 
 }	// namespace BPrivate
 
-}	// namespace BHPKG
-
-}	// namespace BPackageKit
-
-
-#endif	// _PACKAGE__HPKG__PRIVATE__ZLIB_COMPRESSION_BASE_H_
+#endif	// _PRIVATE__ZLIB_COMPRESSION_BASE_H_

headers/private/shared/ZlibDecompressor.h

@@ -2,21 +2,16 @@
  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
  * Distributed under the terms of the MIT License.
  */
-#ifndef _PACKAGE__HPKG__PRIVATE__ZLIB_DECOMPRESSOR_H_
-#define _PACKAGE__HPKG__PRIVATE__ZLIB_DECOMPRESSOR_H_
+#ifndef _PRIVATE__ZLIB_DECOMPRESSOR_H_
+#define _PRIVATE__ZLIB_DECOMPRESSOR_H_
 
 
 #include <zlib.h>
 
-#include <package/hpkg/ZlibCompressionBase.h>
+#include <ZlibCompressionBase.h>
 
 
-namespace BPackageKit {
-
-namespace BHPKG {
-
-
-class BDataOutput;
+class BDataIO;
 
 
 namespace BPrivate {
@@ -24,7 +19,7 @@ namespace BPrivate {
 
 class ZlibDecompressor : public ZlibCompressionBase {
 public:
-								ZlibDecompressor(BDataOutput* output);
+								ZlibDecompressor(BDataIO* output);
 								~ZlibDecompressor();
 
 			status_t			Init();
@@ -39,7 +34,7 @@ public:
 
 private:
 			z_stream			fStream;
-			BDataOutput*		fOutput;
+			BDataIO*			fOutput;
 			bool				fStreamInitialized;
 			bool				fFinished;
 };
@@ -47,9 +42,4 @@ private:
 
 }	// namespace BPrivate
 
-}	// namespace BHPKG
-
-}	// namespace BPackageKit
-
-
 #endif	// _PACKAGE__HPKG__PRIVATE__ZLIB_DECOMPRESSOR_H_

src/add-ons/kernel/file_systems/packagefs/Jamfile

@@ -74,8 +74,8 @@ HAIKU_PACKAGE_FS_SHARED_SOURCES =
 
 HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES =
 	BlockBufferPoolImpl.cpp
+	BufferDataOutput.cpp
 	BufferPool.cpp
-	DataOutput.cpp
 	DataReader.cpp
 	ErrorOutput.cpp
 	FDDataReader.cpp
@@ -90,10 +90,6 @@ HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES =
 	PackageFileHeapReader.cpp
 	PackageReaderImpl.cpp
 	ReaderImplBase.cpp
-
-	# compression
-	ZlibCompressionBase.cpp
-	ZlibDecompressor.cpp
 ;
 
 HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1 =
@@ -114,6 +110,14 @@ Includes
 
 local libSharedSources =
 	NaturalCompare.cpp
+
+	# compression
+	ZlibCompressionBase.cpp
+	ZlibDecompressor.cpp
+;
+
+local supportKitSources =
+	DataIO.cpp
 ;
 
 
@@ -124,6 +128,7 @@ KernelAddon packagefs
 	$(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES)
 	$(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1)
 	$(libSharedSources)
+	$(supportKitSources)
 
 	: $(TARGET_KERNEL_LIBSUPC++) kernel_libz.a
 ;
@@ -137,3 +142,5 @@ SEARCH on [ FGristFiles $(HAIKU_PACKAGE_FS_PACKAGE_READER_SOURCES_V1) ]
 	+= [ FDirName $(HAIKU_TOP) src kits package hpkg v1 ] ;
 SEARCH on [ FGristFiles $(libSharedSources) ]
 	+= [ FDirName $(HAIKU_TOP) src kits shared ] ;
+SEARCH on [ FGristFiles $(supportKitSources) ]
+	+= [ FDirName $(HAIKU_TOP) src kits support ] ;

src/add-ons/kernel/file_systems/packagefs/package/CachedDataReader.cpp

@@ -31,7 +31,7 @@ page_physical_number_less(const vm_page* a, const vm_page* b)
 // #pragma mark - PagesDataOutput
 
 
-struct CachedDataReader::PagesDataOutput : public BDataOutput {
+struct CachedDataReader::PagesDataOutput : public BDataIO {
 	PagesDataOutput(vm_page** pages, size_t pageCount)
 		:
 		fPages(pages),
@@ -40,7 +40,7 @@ struct CachedDataReader::PagesDataOutput : public BDataOutput {
 	{
 	}
 
-	virtual status_t WriteData(const void* buffer, size_t size)
+	virtual status_t Write(const void* buffer, size_t size)
 	{
 		while (size > 0) {
 			if (fPageCount == 0)
@@ -67,6 +67,11 @@ struct CachedDataReader::PagesDataOutput : public BDataOutput {
 		return B_OK;
 	}
 
+	virtual ssize_t Read(void* buffer, size_t size)
+	{
+		return B_NOT_SUPPORTED;
+	}
+
 private:
 	vm_page**	fPages;
 	size_t		fPageCount;
@@ -132,7 +137,7 @@ CachedDataReader::ReadData(off_t offset, void* buffer, size_t size)
 
 status_t
 CachedDataReader::ReadDataToOutput(off_t offset, size_t size,
-	BDataOutput* output)
+	BDataIO* output)
 {
 	if (offset > fCache->virtual_end
 		|| (off_t)size > fCache->virtual_end - offset) {
@@ -168,7 +173,7 @@ CachedDataReader::ReadDataToOutput(off_t offset, size_t size,
 
 status_t
 CachedDataReader::_ReadCacheLine(off_t lineOffset, size_t lineSize,
-	off_t requestOffset, size_t requestLength, BDataOutput* output)
+	off_t requestOffset, size_t requestLength, BDataIO* output)
 {
 	PRINT("CachedDataReader::_ReadCacheLine(%" B_PRIdOFF ", %zu, %" B_PRIdOFF
 		", %zu, %p\n", lineOffset, lineSize, requestOffset, requestLength,
@@ -366,7 +371,7 @@ CachedDataReader::_CachePages(vm_page** pages, size_t firstPage,
 */
 status_t
 CachedDataReader::_WritePages(vm_page** pages, size_t pagesRelativeOffset,
-	size_t requestLength, BDataOutput* output)
+	size_t requestLength, BDataIO* output)
 {
 	PRINT("%p->CachedDataReader::_WritePages(%" B_PRIuSIZE ", %" B_PRIuSIZE
 		", %p)\n", this, pagesRelativeOffset, requestLength, output);
@@ -389,7 +394,7 @@ CachedDataReader::_WritePages(vm_page** pages, size_t pagesRelativeOffset,
 
 		// write the page's data
 		size_t toCopy = std::min(B_PAGE_SIZE - inPageOffset, requestLength);
-		error = output->WriteData((uint8*)(address + inPageOffset), toCopy);
+		error = output->Write((uint8*)(address + inPageOffset), toCopy);
 
 		// unmap the page
 		vm_put_physical_page(address, handle);

src/add-ons/kernel/file_systems/packagefs/package/CachedDataReader.h

@@ -15,10 +15,12 @@
 
 
 using BPackageKit::BHPKG::BAbstractBufferedDataReader;
-using BPackageKit::BHPKG::BDataOutput;
 using BPackageKit::BHPKG::BDataReader;
 
 
+class BDataIO;
+
+
 class CachedDataReader : public BAbstractBufferedDataReader {
 public:
 								CachedDataReader();
@@ -30,7 +32,7 @@ public:
 	virtual	status_t			ReadData(off_t offset, void* buffer,
 									size_t size);
 	virtual	status_t			ReadDataToOutput(off_t offset, size_t size,
-									BDataOutput* output);
+									BDataIO* output);
 
 private:
 			class CacheLineLocker
@@ -121,7 +123,7 @@ private:
 private:
 			status_t			_ReadCacheLine(off_t lineOffset,
 									size_t lineSize, off_t requestOffset,
-							 		size_t requestLength, BDataOutput* output);
+							 		size_t requestLength, BDataIO* output);
 
 			void				_DiscardPages(vm_page** pages, size_t firstPage,
 									size_t pageCount);
@@ -129,7 +131,7 @@ private:
 									size_t pageCount);
 			status_t			_WritePages(vm_page** pages,
 									size_t pagesRelativeOffset,
-									size_t requestLength, BDataOutput* output);
+									size_t requestLength, BDataIO* output);
 			status_t			_ReadIntoPages(vm_page** pages,
 									size_t firstPage, size_t pageCount);
 

src/add-ons/kernel/file_systems/packagefs/package/Package.cpp

@@ -38,7 +38,6 @@
 
 using namespace BPackageKit;
 
-using BPackageKit::BHPKG::BDataOutput;
 using BPackageKit::BHPKG::BErrorOutput;
 using BPackageKit::BHPKG::BFDDataReader;
 using BPackageKit::BHPKG::BPackageInfoAttributeValue;

src/add-ons/kernel/file_systems/packagefs/package/PackageFile.cpp

@@ -29,7 +29,7 @@ using namespace BPackageKit::BHPKG;
 // #pragma mark - DataAccessor
 
 
-struct PackageFile::IORequestOutput : BDataOutput {
+struct PackageFile::IORequestOutput : BDataIO {
 public:
 	IORequestOutput(io_request* request)
 		:
@@ -37,11 +37,16 @@ public:
 	{
 	}
 
-	virtual status_t WriteData(const void* buffer, size_t size)
+	virtual status_t Write(const void* buffer, size_t size)
 	{
 		RETURN_ERROR(write_to_io_request(fRequest, buffer, size));
 	}
 
+	virtual ssize_t Read(void* buffer, size_t size)
+	{
+		return B_NOT_SUPPORTED;
+	}
+
 private:
 	io_request*	fRequest;
 };

src/build/libpackage/Jamfile

@@ -1,6 +1,6 @@
 SubDir HAIKU_TOP src build libpackage ;
 
-UsePrivateBuildHeaders kernel package shared storage ;
+UsePrivateBuildHeaders kernel package shared storage support ;
 
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package ] ;
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package hpkg ] ;
@@ -33,9 +33,9 @@ HPKG_SOURCES =
 	BlockBufferPool.cpp
 	BlockBufferPoolImpl.cpp
 	BlockBufferPoolNoLock.cpp
+	BufferDataOutput.cpp
 	BufferPool.cpp
 	PoolBuffer.cpp
-	DataOutput.cpp
 	DataReader.cpp
 	DataWriters.cpp
 	ErrorOutput.cpp
@@ -77,9 +77,7 @@ HPKG_SOURCES =
 	ReaderImplBaseV1.cpp
 
 	# compression
-	ZlibCompressionBase.cpp
 	ZlibCompressor.cpp
-	ZlibDecompressor.cpp
 ;
 
 # TODO: remove this hack once gcc2 has -iquote implemented

src/build/libshared/Jamfile

@@ -10,4 +10,8 @@ BuildPlatformStaticLibraryPIC libshared_build.a :
 	Keymap.cpp
 	NaturalCompare.cpp
 	SHA256.cpp
+	
+	# compression
+	ZlibCompressionBase.cpp
+	ZlibDecompressor.cpp
 ;

src/kits/package/Jamfile

@@ -12,8 +12,8 @@ HPKG_SOURCES =
 	BlockBufferPool.cpp
 	BlockBufferPoolImpl.cpp
 	BlockBufferPoolNoLock.cpp
+	BufferDataOutput.cpp
 	BufferPool.cpp
-	DataOutput.cpp
 	DataReader.cpp
 	DataWriters.cpp
 	ErrorOutput.cpp
@@ -56,9 +56,7 @@ HPKG_SOURCES =
 	ReaderImplBaseV1.cpp
 
 	# compression
-	ZlibCompressionBase.cpp
 	ZlibCompressor.cpp
-	ZlibDecompressor.cpp
 	;
 
 local architectureObject ;

src/kits/package/hpkg/BufferDataOutput.cpp

@@ -4,7 +4,7 @@
  */
 
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 
 #include <string.h>
 
@@ -14,14 +14,6 @@ namespace BPackageKit {
 namespace BHPKG {
 
 
-// #pragma mark - BDataOutput
-
-
-BDataOutput::~BDataOutput()
-{
-}
-
-
 // #pragma mark - BBufferDataOutput
 
 
@@ -35,7 +27,7 @@ BBufferDataOutput::BBufferDataOutput(void* buffer, size_t size)
 
 
 status_t
-BBufferDataOutput::WriteData(const void* buffer, size_t size)
+BBufferDataOutput::Write(const void* buffer, size_t size)
 {
 	if (size == 0)
 		return B_OK;

src/kits/package/hpkg/DataReader.cpp

@@ -6,7 +6,8 @@
 
 #include <package/hpkg/DataReader.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
+#include <DataIO.h>
 
 #include <string.h>
 
@@ -70,7 +71,7 @@ BBufferDataReader::ReadData(off_t offset, void* buffer, size_t size)
 
 status_t
 BBufferDataReader::ReadDataToOutput(off_t offset, size_t size,
-	BDataOutput* output)
+	BDataIO* output)
 {
 	if (size == 0)
 		return B_OK;
@@ -81,7 +82,7 @@ BBufferDataReader::ReadDataToOutput(off_t offset, size_t size,
 	if (size > fSize || offset > (off_t)fSize - (off_t)size)
 		return B_ERROR;
 
-	return output->WriteData((const uint8*)fData + offset, size);
+	return output->Write((const uint8*)fData + offset, size);
 }
 
 

src/kits/package/hpkg/DataWriters.cpp

@@ -112,7 +112,7 @@ ZlibDataWriter::WriteDataNoThrow(const void* buffer,
 
 
 status_t
-ZlibDataWriter::WriteData(const void* buffer, size_t size)
+ZlibDataWriter::Write(const void* buffer, size_t size)
 {
 	return fDataWriter->WriteDataNoThrow(buffer, size);
 }

src/kits/package/hpkg/PackageDataReader.cpp

@@ -13,7 +13,7 @@
 
 #include <package/hpkg/HPKGDefsPrivate.h>
 #include <package/hpkg/PackageData.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {
@@ -53,7 +53,7 @@ public:
 	}
 
 	virtual status_t ReadDataToOutput(off_t offset, size_t size,
-		BDataOutput* output)
+		BDataIO* output)
 	{
 		if (size == 0)
 			return B_OK;

src/kits/package/hpkg/PackageFileHeapAccessorBase.cpp

@@ -14,11 +14,11 @@
 #include <new>
 
 #include <ByteOrder.h>
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/ErrorOutput.h>
 
 #include <AutoDeleter.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {
@@ -140,7 +140,7 @@ PackageFileHeapAccessorBase::~PackageFileHeapAccessorBase()
 
 status_t
 PackageFileHeapAccessorBase::ReadDataToOutput(off_t offset, size_t size,
-	BDataOutput* output)
+	BDataIO* output)
 {
 	if (size == 0)
 		return B_OK;
@@ -174,8 +174,8 @@ PackageFileHeapAccessorBase::ReadDataToOutput(off_t offset, size_t size,
 			// The last chunk may be shorter than kChunkSize, but since
 			// size (and thus remainingSize) had been clamped, that doesn't
 			// harm.
-		error = output->WriteData(
-			(char*)uncompressedDataBuffer + inChunkOffset, toWrite);
+		error = output->Write((char*)uncompressedDataBuffer + inChunkOffset,
+			toWrite);
 		if (error != B_OK)
 			return error;
 
@@ -213,7 +213,7 @@ PackageFileHeapAccessorBase::DecompressChunkData(void* compressedDataBuffer,
 	size_t uncompressedSize)
 {
 	size_t actualSize;
-	status_t error = ZlibDecompressor::DecompressSingleBuffer(
+	status_t error = ::BPrivate::ZlibDecompressor::DecompressSingleBuffer(
 		compressedDataBuffer, compressedSize, uncompressedDataBuffer,
 		uncompressedSize, actualSize);
 	if (error != B_OK) {

src/kits/package/hpkg/PackageReaderImpl.cpp

@@ -22,11 +22,11 @@
 
 #include <package/hpkg/HPKGDefsPrivate.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/PackageData.h>
 #include <package/hpkg/PackageEntry.h>
 #include <package/hpkg/PackageEntryAttribute.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {

src/kits/package/hpkg/PackageWriterImpl.cpp

@@ -37,7 +37,7 @@
 
 #include <package/hpkg/HPKGDefsPrivate.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/DataReader.h>
 #include <package/hpkg/PackageFileHeapWriter.h>
 #include <package/hpkg/PackageReaderImpl.h>

src/kits/package/hpkg/ReaderImplBase.cpp

@@ -19,9 +19,9 @@
 
 #include <package/hpkg/HPKGDefsPrivate.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/PackageFileHeapReader.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {

src/kits/package/hpkg/ZlibCompressor.cpp

@@ -9,7 +9,7 @@
 #include <errno.h>
 #include <stdio.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 
 
 namespace BPackageKit {
@@ -22,7 +22,7 @@ namespace BPrivate {
 static const size_t kOutputBufferSize = 1024;
 
 
-ZlibCompressor::ZlibCompressor(BDataOutput* output)
+ZlibCompressor::ZlibCompressor(BDataIO* output)
 	:
 	fOutput(output),
 	fStreamInitialized(false)
@@ -82,7 +82,7 @@ ZlibCompressor::CompressNext(const void* input, size_t inputSize)
 			return TranslateZlibError(zlibError);
 
 		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteData(outputBuffer,
+			status_t error = fOutput->Write(outputBuffer,
 				sizeof(outputBuffer) - fStream.avail_out);
 			if (error != B_OK)
 				return error;
@@ -109,7 +109,7 @@ ZlibCompressor::Finish()
 			return TranslateZlibError(zlibError);
 
 		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteData(outputBuffer,
+			status_t error = fOutput->Write(outputBuffer,
 				sizeof(outputBuffer) - fStream.avail_out);
 			if (error != B_OK)
 				return error;

src/kits/package/hpkg/v1/PackageDataReaderV1.cpp

@@ -11,12 +11,12 @@
 #include <algorithm>
 #include <new>
 
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/BufferPool.h>
 #include <package/hpkg/PoolBuffer.h>
-#include <package/hpkg/DataOutput.h>
 #include <package/hpkg/v1/HPKGDefsPrivate.h>
 #include <package/hpkg/v1/PackageData.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {
@@ -27,7 +27,7 @@ namespace V1 {
 
 
 using BHPKG::BPrivate::PoolBufferPutter;
-using BHPKG::BPrivate::ZlibDecompressor;
+using ::BPrivate::ZlibDecompressor;
 
 
 // minimum/maximum zlib chunk size we consider sane
@@ -98,7 +98,7 @@ public:
 	}
 
 	virtual status_t ReadDataToOutput(off_t offset, size_t size,
-		BDataOutput* output)
+		BDataIO* output)
 	{
 		if (size == 0)
 			return B_OK;
@@ -125,7 +125,7 @@ public:
 				return error;
 
 			// write to the output
-			error = output->WriteData(buffer->Buffer(), toRead);
+			error = output->Write(buffer->Buffer(), toRead);
 			if (error != B_OK)
 				return error;
 
@@ -205,7 +205,7 @@ public:
 	}
 
 	virtual status_t ReadDataToOutput(off_t offset, size_t size,
-		BDataOutput* output)
+		BDataIO* output)
 	{
 		// check offset and size
 		if (size == 0)
@@ -244,7 +244,7 @@ public:
 
 			// write data to output
 			size_t toCopy = std::min(size, (size_t)fChunkSize - inChunkOffset);
-			error = output->WriteData(
+			error = output->Write(
 				(uint8*)fUncompressBuffer->Buffer() + inChunkOffset, toCopy);
 			if (error != B_OK)
 				return error;

src/kits/package/hpkg/v1/PackageReaderImplV1.cpp

@@ -22,12 +22,12 @@
 
 #include <package/hpkg/v1/HPKGDefsPrivate.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/ErrorOutput.h>
 #include <package/hpkg/v1/PackageData.h>
 #include <package/hpkg/v1/PackageEntry.h>
 #include <package/hpkg/v1/PackageEntryAttribute.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {

src/kits/package/hpkg/v1/ReaderImplBaseV1.cpp

@@ -19,9 +19,9 @@
 
 #include <package/hpkg/v1/HPKGDefsPrivate.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <package/hpkg/BufferDataOutput.h>
 #include <package/hpkg/ErrorOutput.h>
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 
 namespace BPackageKit {
@@ -33,7 +33,7 @@ namespace V1 {
 namespace BPrivate {
 
 
-using BHPKG::BPrivate::ZlibDecompressor;
+using ::BPrivate::ZlibDecompressor;
 
 
 static const size_t kScratchBufferSize = 64 * 1024;

src/kits/shared/Jamfile

@@ -11,6 +11,8 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 	on $(architectureObject) {
 		local architecture = $(TARGET_PACKAGING_ARCH) ;
 
+		UseBuildFeatureHeaders zlib ;
+		
 		UseHeaders [ FDirName
 			$(TARGET_COMMON_DEBUG_OBJECT_DIR_$(TARGET_PACKAGING_ARCHS[1]))
 			servers input ] ;
@@ -21,6 +23,9 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 		# for RWLockManager only
 		UsePrivateSystemHeaders ;
 		UsePrivateHeaders kernel libroot ;
+		
+		Includes [ FGristFiles $(HPKG_SOURCES) ]
+			: [ BuildFeatureAttribute zlib : headers ] ;
 
 		StaticLibrary [ MultiArchDefaultGristFiles libshared.a ] :
 			AboutMenuItem.cpp
@@ -48,6 +53,10 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 			TextTable.cpp
 			Thread.cpp
 			Variant.cpp
+			
+			# compression
+			ZlibCompressionBase.cpp
+			ZlibDecompressor.cpp
 			;
 
 		Includes [ FGristFiles Keymap.cpp ]

src/kits/shared/ZlibCompressionBase.cpp

@@ -4,17 +4,13 @@
  */
 
 
-#include <package/hpkg/ZlibCompressionBase.h>
+#include <ZlibCompressionBase.h>
 
 #include <errno.h>
 
 #include <zlib.h>
 
 
-namespace BPackageKit {
-
-namespace BHPKG {
-
 namespace BPrivate {
 
 
@@ -48,7 +44,3 @@ ZlibCompressionBase::TranslateZlibError(int error)
 
 
 }	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit

src/kits/shared/ZlibDecompressor.cpp

@@ -4,18 +4,14 @@
  */
 
 
-#include <package/hpkg/ZlibDecompressor.h>
+#include <ZlibDecompressor.h>
 
 #include <errno.h>
 #include <stdio.h>
 
-#include <package/hpkg/DataOutput.h>
+#include <DataIO.h>
 
 
-namespace BPackageKit {
-
-namespace BHPKG {
-
 namespace BPrivate {
 
 
@@ -23,7 +19,7 @@ namespace BPrivate {
 static const size_t kOutputBufferSize = 1024;
 
 
-ZlibDecompressor::ZlibDecompressor(BDataOutput* output)
+ZlibDecompressor::ZlibDecompressor(BDataIO* output)
 	:
 	fOutput(output),
 	fStreamInitialized(false),
@@ -89,7 +85,7 @@ ZlibDecompressor::DecompressNext(const void* input, size_t inputSize)
 			return TranslateZlibError(zlibError);
 
 		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteData(outputBuffer,
+			status_t error = fOutput->Write(outputBuffer,
 				sizeof(outputBuffer) - fStream.avail_out);
 			if (error != B_OK)
 				return error;
@@ -118,7 +114,7 @@ ZlibDecompressor::Finish()
 			return TranslateZlibError(zlibError);
 
 		if (fStream.avail_out < sizeof(outputBuffer)) {
-			status_t error = fOutput->WriteData(outputBuffer,
+			status_t error = fOutput->Write(outputBuffer,
 				sizeof(outputBuffer) - fStream.avail_out);
 			if (error != B_OK)
 				return error;
@@ -186,7 +182,3 @@ ZlibDecompressor::DecompressSingleBuffer(const void* input, size_t inputSize,
 
 
 }	// namespace BPrivate
-
-}	// namespace BHPKG
-
-}	// namespace BPackageKit

src/system/boot/loader/file_systems/packagefs/Jamfile

@@ -13,6 +13,8 @@ SubDirC++Flags -fno-rtti -include $(kernelC++Header) ;
 
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package ] ;
 SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits package hpkg ] ;
+SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits shared ] ;
+SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src kits support ] ;
 
 
 BootStaticLibrary boot_packagefs :
@@ -25,9 +27,9 @@ BootStaticLibrary boot_packagefs :
 	BlockBufferPool.cpp
 	BlockBufferPoolImpl.cpp
 	BlockBufferPoolNoLock.cpp
+	BufferDataOutput.cpp
 	BufferPool.cpp
 	PoolBuffer.cpp
-	DataOutput.cpp
 	DataReader.cpp
 	ErrorOutput.cpp
 	FDDataReader.cpp
@@ -42,6 +44,7 @@ BootStaticLibrary boot_packagefs :
 	ReaderImplBase.cpp
 
 	# compression
+	DataIO.cpp
 	ZlibCompressionBase.cpp
 	ZlibDecompressor.cpp