4c58691372
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1571 ec53bebd-3082-4978-b11e-865c3cabbd6b
34 lines
637 B
C
34 lines
637 B
C
#include "asn1_locl.h"
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RCSID("$Id$");
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static int
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is_leap(unsigned y)
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{
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return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
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}
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time_t
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timegm (struct tm *tm)
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{
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static const int ndays[2][12] ={
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{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
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{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
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time_t res = 0;
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int i;
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for (i = 70; i < tm->tm_year; ++i)
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res += is_leap(i) ? 366 : 365;
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for (i = 0; i < tm->tm_mon; ++i)
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res += ndays[is_leap(tm->tm_year)][i];
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res += tm->tm_mday - 1;
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res *= 24;
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res += tm->tm_hour;
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res *= 60;
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res += tm->tm_min;
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res *= 60;
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res += tm->tm_sec;
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return res;
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}
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