ref: 2c0fbf27314d04cb3bb5ab1ea3f9b7bae556f89a
parent: 4e656a4f039b9230c820f12d3b1e4a5c8e55cf47
author: Ori Bernstein <ori@eigenstate.org>
date: Fri Jul 24 17:19:50 EDT 2015
Replace snprintf with a variant that asserts when out of buffer.
Let's not happy silent truncate.