home *** CD-ROM | disk | FTP | other *** search
- /*
- * 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 <sys/time.h>
- #endif
-
- 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;
- }
-