/* ======================================================================== * Copyright 1988-2006 University of Washington * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * * ======================================================================== */ /* * Program: SVR4-style Time Zone String * * Author: Mark Crispin * Networks and Distributed Computing * Computing & Communications * University of Washington * Administration Building, AG-44 * Seattle, WA 98195 * Internet: MRC@CAC.Washington.EDU * * Date: 30 August 1994 * Last Edited: 30 August 2006 */ /* Append local timezone name * Accepts: destination string */ void rfc822_timezone (char *s,void *t) { tzset (); /* get timezone from TZ environment stuff */ sprintf (s + strlen (s)," (%.50s)", tzname[daylight ? (((struct tm *) t)->tm_isdst > 0) : 0]); }