Re: Equivalent of Linux timezone in FreeBSD
- In reply to: Warner Losh : "Re: Equivalent of Linux timezone in FreeBSD"
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Date: Fri, 28 Oct 2022 01:39:15 UTC
On 10/27/22 14:32, Warner Losh wrote: > > > On Thu, Oct 27, 2022 at 1:26 PM Stephen Montgomery-Smith > <montgomerysmithstephen@gmail.com > <mailto:montgomerysmithstephen@gmail.com>> wrote: > > I am attempting to port code that uses an external variable called > timezone, which is defined in the Linux file time.h as the number of > seconds West of UTC for the current timezone. > > > Except it's not completely reliable on linux, since it's not a constant > except for > the few minutes around the current time.... You can't expect it to work > around the > cut-overs of daylight savings time, for example. > > Is there an equivalent of this in FreeBSD or other BSDs? > > > getenv("TZ") will get the timezone for the current process. > > But what are you using this value for? It is used inside https://pub.ist.ac.at/~schloegl/biosig/prereleases/biosig4octave-3.0.1.src.tar.gz - look in the file biosig4octave-3.0.1/src/mexSSAVE.cpp at line 205. Maybe I'll contact the author of the code.