Re: Daylight savings time

[Andrew Johnson <anj@aps.anl.gov>]

Eric Norum wrote:
> Since we're on the topic of time, I'd like to propose the following  
> change to the IOC shell.  This is in the handler function for the  
> epicsEnvSet command.
...
>      epicsEnvSet (name, value);
> +    if (strcmp(name, "TZ") == 0) {
> +        extern void tzset(void);
> +        tzset();
> +    }
> }
>
> This will ensure that changes to the TZ environment variable (in an  
> st.cmd file, for example) actually have an effect.

That change is not portable; according to my reference manual vxWorks 
doesn't have a tzset() routine, and I have similar doubts about WIN32. 
Maybe the correct solution would be to register an OS-specific command 
that can set the IOC's timezone data?

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