[tz] Adapting localtime.c
christos at zoulas.com
Sat Oct 8 20:12:56 UTC 2016
On Oct 8, 7:27pm, cs at innolan.dk (Carsten Larsen) wrote:
-- Subject: [tz] Adapting localtime.c
| Hello list
| I am trying to adapt the tz code to a local system without any timezone
| database (AmigaOS). I got the code up and running and everything seems
| to work as intended. But one thing about the code puzzles me.
| I need to implement "time_t time(time_t *p)" which is the very last part
| of localtime.c. Should this code return time as local time or as GMT
| time ? Because I cannot get the time calculations to work properly.
| I use tzsetwall() to guess the timezone from the systems locale zone
| information (GMT+1, etc) and tzset() to load timezone from the TZ
| environment variable. Should "time_t time(time_t *p)" try to compensate
| if lclptr is set, or should it always just return the plain system time?
| I hope someone knows the answer and also thank you for any
| clarifications on this issue.
man 3 time does :-)
The time() function returns the value of time in seconds since 0 hours, 0
minutes, 0 seconds, January 1, 1970, Coordinated Universal Time.
More information about the tz