BPackageWriter: Add BPositionIO support

headers/os/package/hpkg/PackageWriter.h

@@ -11,6 +11,9 @@
 #include <package/hpkg/ErrorOutput.h>
 
 
+class BPositionIO;
+
+
 namespace BPackageKit {
 
 namespace BHPKG {
@@ -74,6 +77,9 @@ public:
 			status_t			Init(const char* fileName,
 									const BPackageWriterParameters* parameters
 										= NULL);
+			status_t			Init(BPositionIO* file, bool keepFile,
+									const BPackageWriterParameters* parameters
+										= NULL);
 			status_t			SetInstallPath(const char* installPath);
 			void				SetCheckLicenses(bool checkLicenses);
 			status_t			AddEntry(const char* fileName, int fd = -1);

headers/private/package/hpkg/PackageWriterImpl.h

@@ -49,6 +49,8 @@ public:
 
 			status_t			Init(const char* fileName,
 									const BPackageWriterParameters& parameters);
+			status_t			Init(BPositionIO* file, bool keepFile,
+									const BPackageWriterParameters& parameters);
 			status_t			SetInstallPath(const char* installPath);
 			void				SetCheckLicenses(bool checkLicenses);
 			status_t			AddEntry(const char* fileName, int fd = -1);
@@ -67,7 +69,8 @@ private:
 			typedef DoublyLinkedList<Entry> EntryList;
 
 private:
-			status_t			_Init(const char* fileName,
+			status_t			_Init(BPositionIO* file, bool keepFile,
+									const char* fileName,
 									const BPackageWriterParameters& parameters);
 			status_t			_Finish();
 

headers/private/package/hpkg/WriterImplBase.h

@@ -101,7 +101,8 @@ protected:
 			typedef DoublyLinkedList<PackageAttribute> PackageAttributeList;
 
 protected:
-			status_t			Init(const char* fileName,
+			status_t			Init(BPositionIO* file, bool keepFile,
+									const char* fileName,
 									const BPackageWriterParameters& parameters);
 			status_t			InitHeapReader(size_t headerSize);
 
@@ -191,6 +192,7 @@ private:
 			const char*			fFileName;
 			BPackageWriterParameters fParameters;
 			BPositionIO*		fFile;
+			bool				fOwnsFile;
 			bool				fFinished;
 
 			StringCache			fPackageStringCache;