27 lines
582 B
C
27 lines
582 B
C
/*
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* ymd2yd - compute the date in the year from y/m/d
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*
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* A thin wrapper around a more general calendar function.
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*/
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#include <config.h>
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#include "ntp_stdlib.h"
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#include "ntp_calendar.h"
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int
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ymd2yd(
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int y,
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int m,
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int d)
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{
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/*
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* convert y/m/d to elapsed calendar units, convert that to
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* elapsed days since the start of the given year and convert
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* back to unity-based day in year.
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*
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* This does no further error checking, since the underlying
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* function is assumed to work out how to handle the data.
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*/
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return ntpcal_edate_to_yeardays(y-1, m-1, d-1) + 1;
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}
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