tree cc2ebac34693f201a0c80d8d4bb8ebea39822536
parent d56097a3cf4c0ef50b24ea4918b46650e14f2bbf
author Patrick Venture <venture@google.com> 1557942450 -0700
committer Patrick Venture <venture@google.com> 1557947851 -0700

tools: io: fix printf portability

The printfs were using actual sizes instead of leveraging %z to deal
with std::size_t.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I7ac731b0458d9501762651bdc9d796f7a6ada620