1#define _GNU_SOURCE
 2#include <sys/time.h>
 3#include <sys/stat.h>
 4#include <errno.h>
 5#ifdef __wasilibc_unmodified_upstream // WASI has no syscall
 6#include "syscall.h"
 7#endif
 8
 9int __futimesat(int dirfd, const char *pathname, const struct timeval times[2])
10{
11	struct timespec ts[2];
12	if (times) {
13		int i;
14		for (i=0; i<2; i++) {
15#ifdef __wasilibc_unmodified_upstream // WASI has no syscall
16			if (times[i].tv_usec >= 1000000ULL)
17				return __syscall_ret(-EINVAL);
18#else
19			if (times[i].tv_usec >= 1000000ULL) {
20				errno = EINVAL;
21				return -1;
22			}
23#endif
24			ts[i].tv_sec = times[i].tv_sec;
25			ts[i].tv_nsec = times[i].tv_usec * 1000;
26		}
27	}
28	return utimensat(dirfd, pathname, times ? ts : 0, 0);
29}
30
31weak_alias(__futimesat, futimesat);