TZ environment variable

Olson, Arthur David (NIH/NCI) olsona at
Mon May 9 15:25:37 UTC 2005

If the TZ environment variable needs to be checked for mischief-making time
zone abbreviations, the same check needs to be applied to values derived
from time zone files
(since, at least on some systems, users can create arbitrary files and
arrange for them to be used with an appropriate TZ setting.)


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