Use libc::memchr instead of iter().rposition(), closes #30076#30151

Closed

fhahn wants to merge 1 commit intorust-lang:masterfrom fhahn:issue-30076-memchr-in-write-2

+17-8

Commits on Dec 1, 2015

Use libc::memchr instead of iter().rposition(), closes rust-lang#30076
fhahn
committed