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28 lines
899 B
C
28 lines
899 B
C
#include "Python.h"
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#include "_time.h"
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/* Exposed in timefuncs.h. */
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time_t
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_PyTime_DoubleToTimet(double x)
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{
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time_t result;
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double diff;
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result = (time_t)x;
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/* How much info did we lose? time_t may be an integral or
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* floating type, and we don't know which. If it's integral,
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* we don't know whether C truncates, rounds, returns the floor,
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* etc. If we lost a second or more, the C rounding is
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* unreasonable, or the input just doesn't fit in a time_t;
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* call it an error regardless. Note that the original cast to
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* time_t can cause a C error too, but nothing we can do to
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* work around that.
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*/
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diff = x - (double)result;
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if (diff <= -1.0 || diff >= 1.0) {
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PyErr_SetString(PyExc_ValueError,
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"timestamp out of range for platform time_t");
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result = (time_t)-1;
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}
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return result;
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}
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