diff --git a/ftk/src/ftk.h b/ftk/src/ftk.h
index ea6b33a..3501318 100644
--- a/ftk/src/ftk.h
+++ b/ftk/src/ftk.h
@@ -1384,7 +1384,7 @@
 
 		virtual FLMINT32 FLMAPI getInt32(
 			FLMINT32 				i32Low = FLM_MIN_INT32,
-			FLMINT32 				i32High = FLM_MAX_INT32);
+			FLMINT32 				i32High = FLM_MAX_INT32) = 0;
 
 		virtual FLMBOOL FLMAPI getBoolean( void) = 0;
 	};
diff --git a/ftk/src/ftkfsys.cpp b/ftk/src/ftkfsys.cpp
index 92cf3d8..b4aa9c9 100644
--- a/ftk/src/ftkfsys.cpp
+++ b/ftk/src/ftkfsys.cpp
@@ -393,6 +393,20 @@ RCODE FLMAPI FlmGetFileSystem(
 	return( NE_FLM_OK);
 }
 
+/****************************************************************************
+Desc:
+****************************************************************************/
+RCODE f_allocFileHdl(
+	F_FileHdl **		ppFileHdl)
+{
+	if( (*ppFileHdl = f_new F_FileHdl) == NULL)
+	{
+		return( RC_SET( NE_FLM_MEM));
+	}
+	
+	return( NE_FLM_OK);
+}
+	
 /****************************************************************************
 Desc:    Create a file, return a file handle to created file.
 ****************************************************************************/
diff --git a/ftk/src/ftksys.h b/ftk/src/ftksys.h
index 73476de..3bfb2de 100644
--- a/ftk/src/ftksys.h
+++ b/ftk/src/ftksys.h
@@ -1870,6 +1870,11 @@
 	
 		RCODE FLMAPI unlock( void);
 	
+		FINLINE FLMBOOL FLMAPI isReadOnly( void)
+		{
+			return( m_bOpenedReadOnly);
+		}
+		
 		FINLINE void FLMAPI setBlockSize(
 			FLMUINT				uiBlockSize)
 		{
diff --git a/ftk/src/ftkunix.cpp b/ftk/src/ftkunix.cpp
index 1206477..d022dac 100644
--- a/ftk/src/ftkunix.cpp
+++ b/ftk/src/ftkunix.cpp
@@ -41,6 +41,7 @@
 
 #include <fcntl.h>
 
+extern FLMUINT		gv_uiMaxFileSize;
 extern FLMBOOL		gv_bOkToDoAsyncWrites;
 
 #if defined( FLM_SOLARIS)
@@ -1607,6 +1608,13 @@ static void sparc_asm_code( void)
 }
 #endif
 
+/****************************************************************************
+Desc:
+****************************************************************************/
+void FLMAPI f_yieldCPU( void)
+{
+}
+
 #endif // FLM_UNIX
 
 #if defined( FLM_WATCOM_NLM)
diff --git a/ftk/src/ftkwin.cpp b/ftk/src/ftkwin.cpp
index 26f2939..b005a34 100644
--- a/ftk/src/ftkwin.cpp
+++ b/ftk/src/ftkwin.cpp
@@ -27,20 +27,6 @@
 
 #if defined( FLM_WIN)
 
-/****************************************************************************
-Desc:
-****************************************************************************/
-RCODE f_allocFileHdl(
-	F_FileHdl **		ppFileHdl)
-{
-	if( (*ppFileHdl = f_new F_FileHdl) == NULL)
-	{
-		return( RC_SET( NE_FLM_MEM));
-	}
-	
-	return( NE_FLM_OK);
-}
-	
 /****************************************************************************
 Desc:
 ****************************************************************************/
diff --git a/ftk/src/ftkxml.cpp b/ftk/src/ftkxml.cpp
index 240741d..a209569 100644
--- a/ftk/src/ftkxml.cpp
+++ b/ftk/src/ftkxml.cpp
@@ -43,68 +43,6 @@ typedef struct
 	FLMUINT			uiValue;
 } CharEntity;
 
-static FLMUNICODE gv_puzXMLPrefix[] =
-{
-	FLM_UNICODE_x,
-	FLM_UNICODE_m,
-	FLM_UNICODE_l,
-	0
-};
-
-FLMUNICODE gv_puzXMLNSURI[] =
-{
-	FLM_UNICODE_h,
-	FLM_UNICODE_t,
-	FLM_UNICODE_t,
-	FLM_UNICODE_p,
-	FLM_UNICODE_COLON,
-	FLM_UNICODE_FSLASH,
-	FLM_UNICODE_FSLASH,
-	FLM_UNICODE_w,
-	FLM_UNICODE_w,
-	FLM_UNICODE_w,
-	FLM_UNICODE_PERIOD,
-	FLM_UNICODE_w,
-	FLM_UNICODE_3,
-	FLM_UNICODE_c,
-	FLM_UNICODE_PERIOD,
-	FLM_UNICODE_o,
-	FLM_UNICODE_r,
-	FLM_UNICODE_g,
-	FLM_UNICODE_FSLASH,
-	FLM_UNICODE_T,
-	FLM_UNICODE_R,
-	FLM_UNICODE_FSLASH,
-	FLM_UNICODE_1,
-	FLM_UNICODE_9,
-	FLM_UNICODE_9,
-	FLM_UNICODE_9,
-	FLM_UNICODE_FSLASH,
-	FLM_UNICODE_R,
-	FLM_UNICODE_E,
-	FLM_UNICODE_C,
-	FLM_UNICODE_HYPHEN,
-	FLM_UNICODE_x,
-	FLM_UNICODE_m,
-	FLM_UNICODE_l,
-	FLM_UNICODE_HYPHEN,
-	FLM_UNICODE_n,
-	FLM_UNICODE_a,
-	FLM_UNICODE_m,
-	FLM_UNICODE_e,
-	FLM_UNICODE_s,
-	FLM_UNICODE_HYPHEN,
-	FLM_UNICODE_1,
-	FLM_UNICODE_9,
-	FLM_UNICODE_9,
-	FLM_UNICODE_9,
-	FLM_UNICODE_0,
-	FLM_UNICODE_1,
-	FLM_UNICODE_1,
-	FLM_UNICODE_4,
-	0
-};
-
 typedef struct
 {
 	FLMUNICODE		uLowChar;