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common/util: fix get_current_time_msec returning microseconds

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This commit makes `get_current_time_msec` correctly return milliseconds
as opposed to microseconds. It also considers the value of `tv_sec`, so
we don't lose occasionally go back in time by one second. Finally, the
function is moved into `util.c` so that it can be reused elsewhere
without having to consider these pitfalls.
This commit is contained in:
Tudor Brindus 2020-06-05 17:12:31 -04:00 • committed by Simon Ser
parent d835df38de
commit d7900c6e5e
3 changed files with 16 additions and 13 deletions
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8
common/util.c
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@ -1,8 +1,8 @@
#define _POSIX_C_SOURCE 200809L
#include <ctype.h>
#include <float.h>
#include <fcntl.h>
#include <math.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
@ -10,6 +10,12 @@
#include "log.h"
#include "util.h"
uint32_t get_current_time_msec(void) {
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
return now.tv_sec * 1000 + now.tv_nsec / 1000000;
}
int wrap(int i, int max) {
return ((i % max) + max) % max;
}