udev-event: make subst_format_var() always provide null-terminated string on success
authorYu Watanabe <watanabe.yu+github@gmail.com>
Sat, 16 Feb 2019 22:56:28 +0000 (07:56 +0900)
committerLennart Poettering <lennart@poettering.net>
Mon, 18 Feb 2019 11:54:53 +0000 (12:54 +0100)
commit380d19016e71f2b94ea8431cb8415f99143f62ee
treee978c8d99f1bd49649043457aed811d4c09b7aee
parent8abd60c18b77ec99b390d6c1dcbe616c11f5e01b
udev-event: make subst_format_var() always provide null-terminated string on success

Fixes #11731.
src/udev/udev-event.c