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add difftime()

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This commit is contained in:
Meco Man 2021-02-11 02:34:38 +08:00
parent 51cb109cf8
commit d67d4d3fd0
1 changed files with 6 additions and 0 deletions
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6
components/libc/compilers/common/time.c
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@ -12,6 +12,7 @@
* 2021-02-08 Meco Man add settimeofday() stime() * 2021-02-08 Meco Man add settimeofday() stime()
* 2021-02-10 Meco Man add ctime_r() and re-implement ctime() * 2021-02-10 Meco Man add ctime_r() and re-implement ctime()
* 2021-02-11 Meco Man fix bug #3183 - align days[] and months[] to 4 bytes * 2021-02-11 Meco Man fix bug #3183 - align days[] and months[] to 4 bytes
* add difftime()
*/ */
#include <sys/time.h> #include <sys/time.h>
@ -163,6 +164,11 @@ char* ctime(const time_t *tim_p)
return asctime (localtime (tim_p)); return asctime (localtime (tim_p));
} }
double difftime (time_t tim1, time_t tim2)
{
return (double)(tim1 - tim2);
}
/** /**
* Returns the current time. * Returns the current time.
* *