tree 58fa6b93bbe6fd9daa1cee3828d53d5122adffd3
parent 5979233c5d6225d4a8e438cdd0b411888449ddab
author Nigel Tao <nigeltao@golang.org> 1455321720 +1100
committer Nigel Tao <nigeltao@golang.org> 1455321720 +1100

Reject zero offsets in a length/offset pair.

The spec at
https://github.com/google/snappy/blob/master/format_description.txt
says that, "Offsets of zero can be encoded, but are not legal".