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Remove usage of invalid timespec

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Also add a comment to clarify why the subtraction of timespec values
should work.
This commit is contained in:
Joel Schumacher
2020-05-22 00:33:47 +02:00
parent ba37b262c0
commit 1c5b8431ca
1 changed files with 5 additions and 5 deletions
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src/modules/timer/Timer.cpp
+5 -5
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@@ -24,6 +24,7 @@
#include "common/delay.h"
#include "Timer.h"
#include <iostream>
#if defined(LOVE_WINDOWS)
#include <windows.h>
#elif defined(LOVE_MACOSX) || defined(LOVE_IOS)
@@ -134,11 +135,10 @@ double Timer::getTime()
{
static const timespec start = getTimeAbsolute();
const timespec now = getTimeAbsolute();
const timespec rel = timespec {
now.tv_sec - start.tv_sec,
now.tv_nsec - start.tv_nsec
};
return (double) rel.tv_sec + (double) rel.tv_nsec / 1.0e9;
// tv_sec and tv_nsec should be signed on POSIX, so we are fine in just subtracting here.
const long sec = now.tv_sec - start.tv_sec;
const long nsec = now.tv_nsec - start.tv_nsec;
return (double) sec + (double) nsec / 1.0e9;
}
#elif defined(LOVE_MACOSX) || defined(LOVE_IOS)