tree 7ae5e43b67974e7abcf38120da1a09956b4baa66
parent 50cf3c84c5bb88b3798a561d742c2e87ef02a8b3
author Elliott Hughes <enh@google.com> 1426353306 -0700
committer Elliott Hughes <enh@google.com> 1426367373 -0700

Clean up su.

Stop building su as a static executable. We don't rely on the getuid
implementation for security, so we have nothing to fear from the dynamic
linker.

Add some missing error checking and improve error reporting.

Remove various special cases that can all be rolled into the general
case.

Bug: 19647373
Change-Id: I2689b8957a89da1f3be571fcdc966b1084efca9a