Fixes a bug that occurs when spdk_top window is just big enough
to print empty line in data area, but unable to fill the line with
actual data, resulting in application crash.
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Change-Id: Id39267a9587b9e0ab74a43f5010927af6faff512
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6216
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
8f05269572