🚀 go-pugleaf

In <1992Jul29.031546.26997@bnd2.bnd.oz.au>
   johnw@bnd2.bnd.oz.au (John Warburton) writes:

>From article <1992Jul28.072025.13886@cssc-syd.tansu.com.au>, by colinl@cssc-syd.tansu.com.au (Colin Lynch):
>> bernie@metapro.DIALix.oz.au (Bernd Felsche) writes:

Please stop attributing this post to me. It's not my fault,
even if it is right. Some bloke called Colin owns it.

>>     ...The most reliable way to do this is to first convert the current
>> date/time into a time_t type ("time_t" is defined in the system header file
>> <time.h>, and is basically a long containing the number of seconds since the
>> start of 01 Jan 1970 on most systems):
>> 
>>        #include <time.h>
>> 
>>        time_t   current_time;
>> 
>>        current_time = time((time_t *)0);
>> 
>>     Having done this, just set a macro for the length (in seconds) of one
>> day:
>> 
>>        #define ONE_DAY	((60) * (60) * (24))
>> 
>>     From here, you can get the value for any day you want. For example, the 
>> value for two days' into the future would be:
>> 
>>       two_days_ahead = current_time + (ONE_DAY * 2);
>> 
>>   Hope this is helpful. Cheers, Colin.


>Ok, that all works, but how do I get the day that was 2 WORKING (Mon..Fri) days
>ago? 

>I can't seem to find any sort of general purpose way of doing this. Any
>pointers? 

See ctime(3) and refer to struct tm.  I'll leave the rest as an exercise.
-- 
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