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Matheus
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
#ifndef _TIME_H
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#define _TIME_H
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#include <util.h>
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#include <stdbool.h>
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typedef long time_t;
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typedef long suseconds_t;
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typedef struct {
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time_t s;
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time_t ns;
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} timespec_t;
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typedef struct {
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time_t s;
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suseconds_t us;
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} timeval_t;
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static inline timespec_t timespec_add(timespec_t a, timespec_t b) {
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timespec_t ts;
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ts.ns = (a.ns + b.ns) % 1000000000;
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ts.s = a.s + b.s + (a.ns + b.ns) / 1000000000;
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return ts;
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}
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static inline time_t timespec_diffms(timespec_t a, timespec_t b) {
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time_t nsecdiff = abs(a.ns - b.ns);
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time_t secdiff = abs(a.s - b.s);
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return nsecdiff / 1000000 + secdiff * 1000;
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}
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static inline time_t timespec_diffus(timespec_t a, timespec_t b) {
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time_t nsecdiff = abs(a.ns - b.ns);
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time_t secdiff = abs(a.s - b.s);
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return nsecdiff / 1000 + secdiff * 1000000;
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}
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static inline time_t timespec_ns(timespec_t a) {
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return a.ns + a.s * 1000000000;
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}
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static inline time_t timespec_us(timespec_t a) {
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return a.ns / 1000 + a.s * 1000000;
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}
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static inline timespec_t timespec_from_us(time_t us) {
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timespec_t ts = {
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.s = us / 1000000,
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.ns = (us * 1000) % 1000000000
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};
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return ts;
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}
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static inline bool timespec_bigger(timespec_t t1, timespec_t t2) {
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return t1.s > t2.s || (t1.s == t2.s && t1.ns > t2.ns);
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}
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static inline timeval_t timespec_to_timeval(timespec_t ts) {
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timeval_t tv = {
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ts.s,
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ts.ns / 1000
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};
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return tv;
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}
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#endif
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