vmeta add debug file option

Under Android, we cannot use printf. So we write to a debug file instead.
It's useful under Android.

1 files changed, 2 insertions, 0 deletions

diff --git a/vmeta_lib.h b/vmeta_lib.h
index dd9a262..5f8e93f 100755
--- a/vmeta_lib.h
+++ b/vmeta_lib.h
@@ -171,6 +171,8 @@ typedef enum _LOCK_RET_CODE {
 }LOCK_RET_CODE;
 
 /* display debug message */
+#define VMETA_LOG_ON 0
+#define VMETA_LOG_FILE "/data/vmeta_dbg.log"
 int dbg_printf(UNSG32 dbglevel, const char* format, ...);
 
 typedef sem_t lock_t;