61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
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/*
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* asctime - print a date
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*/
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/* $Header$ */
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include "loc_incl.h"
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#define DATE_STR "??? ??? ?? ??:??:?? ????\n"
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static char *
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two_digits(register char *pb, int i, int nospace)
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{
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*pb = (i / 10) % 10 + '0';
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if (!nospace && *pb == '0') *pb = ' ';
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pb++;
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*pb++ = (i % 10) + '0';
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return ++pb;
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}
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static char *
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four_digits(register char *pb, int i)
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{
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i %= 10000;
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*pb++ = (i / 1000) + '0';
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i %= 1000;
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*pb++ = (i / 100) + '0';
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i %= 100;
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*pb++ = (i / 10) + '0';
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*pb++ = (i % 10) + '0';
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return ++pb;
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}
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char *asctime(const struct tm *timeptr)
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{
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static char buf[26];
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register char *pb = buf, *ps;
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register int n;
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strcpy(pb, DATE_STR);
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ps = _days[timeptr->tm_wday];
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n = ABB_LEN;
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while(--n >= 0) *pb++ = *ps++;
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pb++;
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ps = _months[timeptr->tm_mon];
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n = ABB_LEN;
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while(--n >= 0) *pb++ = *ps++;
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pb++;
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pb = two_digits(
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two_digits(
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two_digits(two_digits(pb, timeptr->tm_mday, 0)
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, timeptr->tm_hour, 1)
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, timeptr->tm_min, 1)
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, timeptr->tm_sec, 1);
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four_digits(pb, timeptr->tm_year + 1900);
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return buf;
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}
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