#define _GNU_SOURCE
#include <sys/time.h>
#include <sys/stat.h>
#include <errno.h>
#ifdef __wasilibc_unmodified_upstream // WASI has no syscall
#include "syscall.h"
#endif

int __futimesat(int dirfd, const char *pathname, const struct timeval times[2])
{
	struct timespec ts[2];
	if (times) {
		int i;
		for (i=0; i<2; i++) {
#ifdef __wasilibc_unmodified_upstream // WASI has no syscall
			if (times[i].tv_usec >= 1000000ULL)
				return __syscall_ret(-EINVAL);
#else
			if (times[i].tv_usec >= 1000000ULL) {
				errno = EINVAL;
				return -1;
			}
#endif
			ts[i].tv_sec = times[i].tv_sec;
			ts[i].tv_nsec = times[i].tv_usec * 1000;
		}
	}
	return utimensat(dirfd, pathname, times ? ts : 0, 0);
}

weak_alias(__futimesat, futimesat);