Groups > comp.os.linux.development.apps > #407

Re: time conversion

From	Josef Moellers <josef.moellers@ts.fujitsu.com>
Newsgroups	comp.os.linux.development.apps
Subject	Re: time conversion
Date	2012-01-27 14:20 +0100
Organization	Fujitsu Technology Solutions
Message-ID	<jfu8b9$7u2$2@nntp.ts.fujitsu.com> (permalink)
References	<jfsjn2$4hm$1@dont-email.me> <87zkda131v.fsf@araminta.anjou.terraraq.org.uk>

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Am 27.1.2012 schrub Richard Kettlewell:

> Bill M <wpmccormick@just_about_everywhere.com> writes:
>> What is the easiest way to convert a time value that is the number
>> of microseconds that have elapsed since 0000 hours 1 January 1972 into
>> the unixepoch (the number of seconds since 0000 hours 1 January 1970).
> 
> Divide by one million and subtract 63072000?
> 
> You'll need to correct for leap seconds if your input value uses
> different rules from time_t.

In that case, I'd suggest using mktime to convert 0:00:00 1/1/72 to
time_t and subtract^Wadd *that* value.

Josef
-- 
These are my personal views and not those of Fujitsu Technology Solutions!
Josef Möllers (Pinguinpfleger bei FTS)
	If failure had no penalty success would not be a prize (T.  Pratchett)
Company Details: http://de.ts.fujitsu.com/imprint.html

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Thread

time conversion Bill M <wpmccormick@just_about_everywhere.com> - 2012-01-26 16:22 -0600
  Re: time conversion Richard Kettlewell <rjk@greenend.org.uk> - 2012-01-26 23:01 +0000
    Re: time conversion Richard Kettlewell <rjk@greenend.org.uk> - 2012-01-27 09:18 +0000
    Re: time conversion Josef Moellers <josef.moellers@ts.fujitsu.com> - 2012-01-27 14:20 +0100
      Re: time conversion Richard Kettlewell <rjk@greenend.org.uk> - 2012-01-27 13:50 +0000
        Re: time conversion Bill M <wpmccormick@just_about_everywhere.com> - 2012-01-27 08:19 -0600
  Re: time conversion Jasen Betts <jasen@xnet.co.nz> - 2012-01-28 21:15 +0000
    Re: time conversion Bill M <wpmccormick@just_about_everywhere.com> - 2012-01-31 14:34 -0600

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