Don't break if line begins with NUL. Don't return -2 as long as underlying stream is returning more data (don't just retry once).
Don't break if line begins with NUL. Don't return -2 as long as underlying
stream is returning more data (don't just retry once).

--HG--
branch : HEAD

jkerihuel/dovecot,dscho/dovecot,jkerihuel/dovecot,dscho/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,dscho/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch,dscho/dovecot,jwm/dovecot-notmuch,dscho/dovecot,jkerihuel/dovecot