1#include <sys/stat.h>
2#include <sys/time.h>
3#include <fcntl.h>
4#include <errno.h>
5#include "syscall.h"
6#include <syscall.h>
7
8int utimensat(int fd, const char *path, const struct timespec times[2], int flags)
9{
10 int r = __syscall(SYS_utimensat, fd, path, times, flags);
11#ifdef SYS_futimesat
12 if (r != -ENOSYS || flags) return __syscall_ret(r);
13 struct timeval *tv = 0, tmp[2];
14 if (times) {
15 int i;
16 tv = tmp;
17 for (i=0; i<2; i++) {
18 if (times[i].tv_nsec >= 1000000000ULL) {
19 if (times[i].tv_nsec == UTIME_NOW &&
20 times[1-i].tv_nsec == UTIME_NOW) {
21 tv = 0;
22 break;
23 }
24 if (times[i].tv_nsec == UTIME_OMIT)
25 return __syscall_ret(-ENOSYS);
26 return __syscall_ret(-EINVAL);
27 }
28 tmp[i].tv_sec = times[i].tv_sec;
29 tmp[i].tv_usec = times[i].tv_nsec / 1000;
30 }
31 }
32
33 r = __syscall(SYS_futimesat, fd, path, tv);
34 if (r != -ENOSYS || fd != AT_FDCWD) return __syscall_ret(r);
35 r = __syscall(SYS_utimes, path, tv);
36#endif
37 return __syscall_ret(r);
38}
39