diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/openenvcore/backend/inc/systemspecialfilercg.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/genericopenlibs/openenvcore/backend/inc/systemspecialfilercg.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Helper class to deal with special system files.
+*
+*/
+
+
+
+
+#ifndef SYSTEM_SPECIAL_FILE_RCG_H
+#define SYSTEM_SPECIAL_FILE_RCG_H
+
+// INCLUDES
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <wchar.h>
+#include <e32cmn.h>
+
+#define KMaxEncDecBuf 9
+
+// DATA TYPES
+
+enum TSpecialFileType
+    {
+    EFileGeneralError = -1,
+    EFileNotFound,
+    EFileTypeGeneral, // not a system specific special file
+    EFileTypeMkFifo, // temp file of mkfifo type
+    EFileTypeSymLink, // symbolic link
+    EFileTypeSocket,
+    EFileTypeMax // no enums beyond this.
+    };
+
+struct SSpecialFileMagicHeader {
+   char iMagicBuffer[KMaxEncDecBuf];
+   unsigned char iFileType;
+};
+
+
+/*
+ * Encode the system special file magic header.
+ * @param aEncBuf Encoded buffer
+ * @param aFileType Type of file
+ * @return 0 for success, else -1
+ */
+int _EncodeSystemSplFileMagicHeader(
+                    struct SSpecialFileMagicHeader *aEncBuf, 
+                    TSpecialFileType aFileType);
+                    
+/*
+ * Try to retrieve file type from buffer.
+ * @param buf pointer to the contained buffer.
+ * @return File type. 
+ *      EFileTypeGeneral For normal file
+ *      EFileTypeMkFifo  For mkfifo
+ *      EFileTypeSymLink For Symbolic link.
+ */
+TSpecialFileType _SystemSpecialFileBasedBuffer(const char *buf);
+
+/*
+ * Try to retrieve file type from file name (char*).
+ * @param aFullFileName pointer to the file name.
+ * @param anErrno Ref to the error no.
+ * @param aSession File server session.
+ * @return File type. 
+ *      EFileTypeGeneral For normal file
+ *      EFileTypeMkFifo  For mkfifo
+ *      EFileTypeSymLink For Symbolic link.
+ */
+/*
+TSpecialFileType _SystemSpecialFileBasedFilePath 
+        (const char* aFullFileName, TInt& aErrno, RSessionBase& aSession);*/
+
+/*
+ * Try to retrieve file type from file name (wchar_t*).
+ * @param aPathName pointer to the file name.
+ * @param anErrno Ref to the error no. 
+ * @param aSession File server session.
+ * @return File type. 
+ *      EFileTypeGeneral For normal file
+ *      EFileTypeMkFifo  For mkfifo
+ *      EFileTypeSymLink For Symbolic link.
+ */
+IMPORT_C TSpecialFileType _SystemSpecialFileBasedFilePath
+        (const wchar_t* aPathName, TInt& aErrno, RSessionBase& aSession);
+
+/*
+ * Create a system file.
+ * @param aFullFileName pointer to the file name.
+ * @param aData Pointer to the data to be writen within the new file
+ * @param aLen Length of the data.
+ * @param anErrno Ref to the error no.
+ * @param aSession File server session.
+ * @return 0 for success, else -1
+ */
+int _CreateSysSplFile(const wchar_t *aFullFileName, 
+                    const char* aData, 
+                    const int aLen,
+                    int& anErrno,
+                    RSessionBase& aSession);
+
+/*
+ * delete a system file.
+ * @param aFullFileName pointer to the file name.
+ * @param aSession File server session.
+ * @return 0 for success, else -1
+ */
+/*
+TInt _DeleteSystemSpecialFileBasedFilePath
+        (const char* aFullFileName, RSessionBase& aSession);*/
+
+/*
+ * delete a system file. (Wide char)
+ * @param aFullFileName pointer to the file name.
+ * @param aSession File server session.
+ * @return 0 for success, else -1
+ */
+TInt _DeleteSystemSpecialFileBasedFilePath
+        (const wchar_t* aFullFileName, RSessionBase& aSession);
+
+/*
+ * Read a system file.
+ * @param aFullFileName pointer to the file name.
+ * @param aBuf Pointer to the buffer for read data
+ * @param aLen Length of the data.
+ * @param anErrno Ref to the error no.
+ * @param aSession File server session.
+ * @return number of bytes read on success, else -1
+ */
+/*
+IMPORT_C int _ReadSysSplFileL(const char *aFullFileName,
+                    char* aBuf, 
+                    const int aLen,
+                    int& anErrno,
+                    RSessionBase& aSession);*/
+
+/*
+ * Read a system file (wide char variant).
+ * @param aFullFileName pointer to the file name.
+ * @param aBuf Pointer to the buffer for read data
+ * @param aLen Length of the data.
+ * @param anErrno Ref to the error no.
+ * @param aSession File server session.
+ * @return number of bytes read on success, else -1
+ */
+IMPORT_C int _ReadSysSplFile(const wchar_t *aFullFileName,
+                    char* aBuf, 
+                    const int aLen,
+                    int& anErrno,
+                    RSessionBase& aSession);
+
+
+
+#endif      // SYSTEM_SPECIAL_FILE_RCG_H
+
+// End of File
+