/* * tzset.c * * Quick and dirty emulation of tzset(), tzname[], and daylight * for old BSD systems without it. * * Thanks to Rick Adams, rick@uunet.uu.net, for the basics. * * BUGS: * Totally ignores the value of the TZ environment variable. */ #if 0 #include #endif #include static char tz1[1024]; static char tz2[1024]; /* external variables */ char *tzname[2] = { tz1, tz2 }; int daylight; extern char *timezone(); void tzset() { struct timeval tp; struct timezone tz; (void) gettimeofday(&tp, &tz); (void) strcpy(tz1, timezone(tz.tz_minuteswest, 0)); (void) strcpy(tz2, timezone(tz.tz_minuteswest, 1)); daylight = tz.tz_dsttime; }