use default timezone from /etc/localtime if $TZ is unset/blank
authorRich Felker <dalias@aerifal.cx>
Sat, 7 Jun 2014 00:46:05 +0000 (20:46 -0400)
committerRich Felker <dalias@aerifal.cx>
Sat, 7 Jun 2014 00:46:05 +0000 (20:46 -0400)
commitf616294914e7c289791d856dca636bbccad5fef7
tree9959d8db03e88546fa7448e28805446c81510c5a
parent3ff3a1d541241699f84b52e5ef4bacce2105568f
use default timezone from /etc/localtime if $TZ is unset/blank

the way this is implemented, it also allows explicit setting of
TZ=/etc/localtime even for suid programs. this is not a problem
because /etc/localtime is a trusted path, much like the trusted
zoneinfo search path.
src/time/__tz.c