check close return value

Sat, 04 Feb 2017 10:06:25 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 04 Feb 2017 10:06:25 +0100
changeset 169
76c96ee18221
parent 168
5c752979bfd6
child 171
af7e2d80dee6

check close return value