tree 94f4d7fdec18716f28cc3d6ce49db196254a3fcd
parent b13fe69b1f0b90ebe5634d397f74c9f56fa3e2e8
author William A. Kennington III <wak@google.com> 1596362062 -0700
committer William A. Kennington III <wak@google.com> 1596362113 -0700

util/cexec: Add lazy evaluated error checking functions

This inhibits things like error string construction until an error
actually occurs to speed up the good path.

Change-Id: I9a9350259466a2284536d50074c2c42b008da33b
Signed-off-by: William A. Kennington III <wak@google.com>