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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// GNU/Linux version of UtimesNano.
package syscall
import "unsafe"
//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
//utimensat(dirfd _C_int, path *byte, times *[2]Timespec, flags _C_int) _C_int
func UtimesNano(path string, ts []Timespec) (err error) {
if len(ts) != 2 {
return EINVAL
}
err = utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
if err != ENOSYS {
return err
}
// If the utimensat syscall isn't available (utimensat was added to Linux
// in 2.6.22, Released, 8 July 2007) then fall back to utimes
var tv [2]Timeval
for i := 0; i < 2; i++ {
tv[i].Sec = Timeval_sec_t(ts[i].Sec)
tv[i].Usec = Timeval_usec_t(ts[i].Nsec / 1000)
}
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
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