d82d59edb0
If a FQDN contains 3 dots '.' like "a.b.c.com", the AsciiStrToIp4 will return success as the HostName has a valid IP address. So we need to check if it is a decimal character before using AsciiStrDecimalToUintn. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Zhang Lubo <lubo.zhang@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Sriram Subramanian <sriram-s@hpe.com>