57 lines
868 B
C
57 lines
868 B
C
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#ifdef BSD4_2
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#include <sys/time.h>
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#else
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#ifndef USG
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#include <sys/types.h>
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#include <sys/timeb.h>
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#endif
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#endif
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long timezone = -1 * 60;
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int daylight = 1;
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char *tzname[] = {"MET", "MDT",};
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tzset()
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{
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#ifdef BSD4_2
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struct timeval tval;
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struct timezone tzon;
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gettimeofday(&tval, &tzon);
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timezone = tzon.tz_minuteswest * 60L;
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daylight = tzon.tz_dsttime;
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#else
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#ifndef USG
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struct timeb time;
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ftime(&time);
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timezone = time.timezone*60L;
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daylight = time.dstflag;
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#endif
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#endif
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{
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extern char *getenv();
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register char *p = getenv("TZ");
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if (p && *p) {
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register int n = 0;
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int sign = 1;
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strncpy(tzname[0], p, 3);
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p += 3;
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if (*(p += 3) == '-') {
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sign = -1;
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p++;
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}
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while(*p >= '0' && *p <= '9')
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n = 10 * n + (*p++ - '0');
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n *= sign;
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timezone = ((long)(n * 60)) * 60;
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daylight = (*p != '\0');
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strncpy(tzname[1], p, 3);
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}
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}
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}
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