1989-06-12 15:22:14 +00:00
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/*
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1989-12-18 15:33:48 +00:00
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* difftime - compute the difference between two calendar times
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1989-06-12 15:22:14 +00:00
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*/
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1994-06-24 14:02:31 +00:00
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/* $Id$ */
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1989-06-12 15:22:14 +00:00
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2018-06-21 20:33:47 +00:00
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#include <time.h>
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1989-06-12 15:22:14 +00:00
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double
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difftime(time_t time1, time_t time0)
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{
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1990-09-11 10:18:51 +00:00
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/* be careful: time_t may be unsigned */
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2018-06-21 20:33:47 +00:00
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if ((time_t)-1 > 0 && time0 > time1)
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{
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return -(double)(time0 - time1);
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}
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else
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{
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1990-09-11 10:18:51 +00:00
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return (double)(time1 - time0);
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}
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1989-06-12 15:22:14 +00:00
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}
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