#include "includes.h"
#include "common.h"
#include <time.h>

void *os_zalloc(size_t size)
{
	return calloc(1, size);
}

size_t os_strlcpy(char *dest, const char *src, size_t siz)
{
	const char *s = src;
	size_t left = siz;

	if (left) {
		while (--left != 0) {
			if ((*dest++ = *s++) == '\0')
				break;
		}
	}

	if (left == 0) {
		if (siz != 0)
			*dest = '\0';
		while (*s++)
			;
	}

	return s - src - 1;
}

int os_get_reltime(struct os_reltime *t)
{
	struct timespec ts;

	if (clock_gettime(CLOCK_MONOTONIC, &ts) < 0)
		return -1;

	t->sec = ts.tv_sec;
	t->usec = ts.tv_nsec / 1000;
	return 0;
}

void os_sleep(os_time_t sec, os_time_t usec)
{
	const struct timespec req = { sec, usec * 1000 };
	nanosleep(&req, NULL);
}