Beispiel #1
0
func setxattr(path string, attr string, data []byte, flags int) (err error) {
	var _p0 *byte
	_p0, err = unix.BytePtrFromString(path)
	if err != nil {
		return
	}
	var _p1 *byte
	_p1, err = unix.BytePtrFromString(attr)
	if err != nil {
		return
	}
	var _p2 unsafe.Pointer
	if len(data) > 0 {
		_p2 = unsafe.Pointer(&data[0])
	} else {
		_p2 = unsafe.Pointer(&_zero)
	}
	_, _, e1 := unix.Syscall6(unix.SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(flags), 0)
	use(unsafe.Pointer(_p0))
	use(unsafe.Pointer(_p1))
	if e1 != 0 {
		err = syscall.Errno(e1)
	}
	return
}
Beispiel #2
0
func getxattr(path string, attr string, dest []byte) (sz int, err error) {
	var _p0 *byte
	_p0, err = unix.BytePtrFromString(path)
	if err != nil {
		return
	}
	var _p1 *byte
	_p1, err = unix.BytePtrFromString(attr)
	if err != nil {
		return
	}
	var _p2 unsafe.Pointer
	if len(dest) > 0 {
		_p2 = unsafe.Pointer(&dest[0])
	} else {
		_p2 = unsafe.Pointer(&_zero)
	}
	r0, _, e1 := unix.Syscall6(unix.SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(dest)), 0, 0)
	use(unsafe.Pointer(_p0))
	use(unsafe.Pointer(_p1))
	sz = int(r0)
	if e1 != 0 {
		err = syscall.Errno(e1)
	}
	return
}
Beispiel #3
0
func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) {
	oldPtr, err := unix.BytePtrFromString(oldpath)
	if err != nil {
		return
	}
	newPtr, err := unix.BytePtrFromString(newpath)
	if err != nil {
		return
	}
	_, _, errno := unix.Syscall6(
		SYS_RENAMEAT2,
		uintptr(olddirfd),
		uintptr(unsafe.Pointer(oldPtr)),
		uintptr(newdirfd),
		uintptr(unsafe.Pointer(newPtr)),
		uintptr(flags),
		0,
	)
	use(unsafe.Pointer(oldPtr))
	use(unsafe.Pointer(newPtr))

	if errno != 0 {
		// In the syscall module the authors box a couple of common errors
		// (i.e EAGAIN, EINVAL, and ENOENT). Is that worth doing here?
		err = errno
	}

	return
}
Beispiel #4
0
func removexattr(path string, attr string) (err error) {
	var _p0 *byte
	_p0, err = unix.BytePtrFromString(path)
	if err != nil {
		return
	}
	var _p1 *byte
	_p1, err = unix.BytePtrFromString(attr)
	if err != nil {
		return
	}
	_, _, e1 := unix.Syscall(unix.SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
	use(unsafe.Pointer(_p0))
	use(unsafe.Pointer(_p1))
	if e1 != 0 {
		err = syscall.Errno(e1)
	}
	return
}
Beispiel #5
0
func listxattr(path string, dest []byte, flags int) (sz int, err error) {
	var _p0 *byte
	_p0, err = unix.BytePtrFromString(path)
	if err != nil {
		return
	}
	var _p1 unsafe.Pointer
	if len(dest) > 0 {
		_p1 = unsafe.Pointer(&dest[0])
	} else {
		_p1 = unsafe.Pointer(&_zero)
	}
	r0, _, e1 := unix.Syscall6(unix.SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(flags), 0, 0)
	use(unsafe.Pointer(_p0))
	sz = int(r0)
	if e1 != 0 {
		err = syscall.Errno(e1)
	}
	return
}