File: libcall_linux_utimesnano.go

package info (click to toggle)
gcc-avr 1%3A5.4.0%2BAtmel3.6.2-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 589,872 kB
  • sloc: ansic: 2,775,581; ada: 756,757; cpp: 723,977; f90: 117,673; asm: 66,898; makefile: 62,755; xml: 44,466; sh: 29,549; exp: 23,315; objc: 15,216; fortran: 10,901; pascal: 4,185; python: 4,093; perl: 2,969; awk: 2,811; ml: 2,385; cs: 879; yacc: 316; lex: 198; haskell: 112; lisp: 8
file content (29 lines) | stat: -rw-r--r-- 938 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
// 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])))
}