cbfstool: Check arguments to strtoul() where appropriate

The interface to strtoul() is a weird mess. It may or may not set errno
if no conversion is done. So check for empty strings and trailing
characters.

Change-Id: I82373d2a0102fc89144bd12376b5ea3b10c70153
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/16012
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

0 files changed, 0 insertions, 0 deletions