tree cef1bdcd51e68578dd8b17b08273098423b56d29
parent 730b708dae88a79cb3d926fc96ada377516c583c
author Jeff Schumacher <jeffschu@google.com> 1277852648 -0700
committer Shawn O. Pearce <spearce@spearce.org> 1277857380 -0700

Added check for binary files while diffing

Added a check in Diff to ensure that files that are most likely
not text are not line-by-line diffed. Files are determined to be
binary by checking the first 8000 bytes for a null character. This
is a similar heuristic to what C Git uses.

Change-Id: I2b6f05674c88d89b3f549a5db483f850f7f46c26