/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
int
libsimple_timespec2timeval(struct timeval *restrict tv, const struct timespec *restrict ts)
{
tv->tv_sec = ts->tv_sec;
tv->tv_usec = ts->tv_nsec / 1000L;
if ((ts->tv_nsec % 1000L) >= 500L) {
if (++(tv->tv_usec) == 1000000L) {
tv->tv_usec = 0;
if (tv->tv_sec == TIME_MAX) {
tv->tv_usec = 999999L;
errno = EOVERFLOW;
return -1;
} else {
tv->tv_sec += 1;
}
}
}
return 0;
}
#else
#include "test.h"
int
main(void)
{
struct timeval tv;
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){0, 0}));
assert(tv.tv_sec == 0);
assert(tv.tv_usec == 0);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){100, 0}));
assert(tv.tv_sec == 100);
assert(tv.tv_usec == 0);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){100, 100000000L}));
assert(tv.tv_sec == 100);
assert(tv.tv_usec == 100000L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){100, 100000400L}));
assert(tv.tv_sec == 100);
assert(tv.tv_usec == 100000L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){100, 100000500L}));
assert(tv.tv_sec == 100);
assert(tv.tv_usec == 100001L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){100, 999999999L}));
assert(tv.tv_sec == 101);
assert(tv.tv_usec == 0L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){-100, 0}));
assert(tv.tv_sec == -100);
assert(tv.tv_usec == 0);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){-100, 100000000L}));
assert(tv.tv_sec == -100);
assert(tv.tv_usec == 100000L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){-100, 100000400L}));
assert(tv.tv_sec == -100);
assert(tv.tv_usec == 100000L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){-100, 100000500L}));
assert(tv.tv_sec == -100);
assert(tv.tv_usec == 100001L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){-100, 999999999L}));
assert(tv.tv_sec == -99);
assert(tv.tv_usec == 0L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){TIME_MAX, 100000500L}));
assert(tv.tv_sec == TIME_MAX);
assert(tv.tv_usec == 100001L);
assert(libsimple_timespec2timeval(&tv, &(struct timespec){TIME_MAX, 999999500L}) == -1 && errno == EOVERFLOW);
assert(tv.tv_sec == TIME_MAX);
assert(tv.tv_usec == 999999L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){TIME_MIN, 100000500L}));
assert(tv.tv_sec == TIME_MIN);
assert(tv.tv_usec == 100001L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){TIME_MIN, 0L}));
assert(tv.tv_sec == TIME_MIN);
assert(tv.tv_usec == 0L);
assert(!libsimple_timespec2timeval(&tv, &(struct timespec){TIME_MIN, 500L}));
assert(tv.tv_sec == TIME_MIN);
assert(tv.tv_usec == 1L);
return 0;
}
#endif
