fix compiler warning.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1236 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/dfs/include/dfs_def.h

@@ -121,12 +121,12 @@
 #define DFS_DT_DIR				DT_DIR
 
 #else
-#ifdef RT_USING_MINILIBC
-#include <string.h>
-#else
-typedef long off_t;
-typedef int mode_t;
-#endif
+	#ifdef RT_USING_MINILIBC
+		#include <string.h>
+	#else
+		typedef long off_t;
+		typedef int mode_t;
+	#endif
 
 /* Device error codes */
 #define DFS_STATUS_OK			0		/* no error */
@@ -165,10 +165,17 @@ typedef int mode_t;
 #define DFS_F_EOF			0x04000000
 #define DFS_F_ERR			0x08000000
 
-/* Seek flags */
+/* Seek flags */
+#ifdef __CC_ARM
+#include <stdio.h>
+#define DFS_SEEK_SET		SEEK_SET
+#define DFS_SEEK_CUR		SEEK_CUR
+#define DFS_SEEK_END		SEEK_END
+#else
 #define DFS_SEEK_SET         0
 #define DFS_SEEK_CUR         1
 #define DFS_SEEK_END         2
+#endif
 
 /* Stat codes */
 #define DFS_S_IFMT		00170000

components/dfs/include/dfs_posix.h

@@ -64,9 +64,13 @@
 #define S_IWOTH		DFS_S_IWOTH
 #define S_IXOTH		DFS_S_IXOTH
 
+#if defined(__CC_ARM)
+#include <stdio.h>
+#else
 #define SEEK_SET	DFS_SEEK_SET
 #define SEEK_CUR	DFS_SEEK_CUR
 #define SEEK_END	DFS_SEEK_END
+#endif
 
 typedef struct 
 {