Commit 95699a94 authored by Alex Deymo's avatar Alex Deymo
Browse files

Make FileWriter errors verbose. 

Print the errno message whenever there's a failure in the underlying
write function.

Bug: 32943635
Test: delta_generator --payload /path/to/nonexistent/place
Change-Id: Iba2961b7b7cd523ed5e651f6025f1d8e5f5e00a2
parent 9363e7d6
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