Fix format string and data types

Fix format string and data types

- Issue:
Some format string and data types are not matched to the size of those
values.

- Solution:
This patch fixes the format string and data types for handling the size
of the value. And also this patch removes data copy in iterating
vector lists using reference type.

Change-Id: I3076c3ff9899b44469267a78bd7a8562aa4ee104
Signed-off-by: Suyeon Hwang <stom.hwang@samsung.com>