On two occasions C code abused strncpy()'s length limitation to copy a string of known length without the trailing NULL byte. Recent GCC is raising the compiler warning: warning: ‘strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation] Use memcpy() instead if strncpy() to copy data of known size. See: https://pagure.io/freeipa/issue/7738 Signed-off-by: Christian Heimes <cheimes@redhat.com> Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>