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int snprintf(char *str, size_t size, const char *format, ...)
The functions snprintf() write at most size bytes (including the
terminating null byte('\0')) to str.
only when returned value of snprintf is non-negative and less than size,
the string has been completely written.
Tracked-On: #3789
Signed-off-by: Junhao Gao <junhao.gao@intel.com>
Reviewed-by: Yonghua Huang <yonghua.huang@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>