// Getxattr will return the value for the named attribute from a file at path
func Getxattr(path string, name string, options int) ([]byte, error) {
p := C.CString(path)
n := C.CString(name)
defer C.free(unsafe.Pointer(p))
defer C.free(unsafe.Pointer(n))
// get size of data for attribute, type _Ctype_ssize_t
attrsize, err := C.getxattr(p, n, nil, 0, 0, 0)
if err != nil {
return nil, err
}
size := int(attrsize)
// get data for attribute
buf := make([]byte, size)
x, err := C.getxattr(p, n, unsafe.Pointer(&buf[0]), C.size_t(size), 0, C.int(options))
if err != nil {
return nil, err
}
return buf[:x], nil
}
func readdelattr(filepath string) (bool, error) {
val := C.char(0)
err := C.getxattr(
C.CString(filepath),
C.CString("novm-deleted"),
unsafe.Pointer(&val),
C.size_t(1))
if err != C.ssize_t(1) {
var stat syscall.Stat_t
err := syscall.Stat(
path.Join(filepath, ".deleted"),
&stat)
if err != nil {
return false, err
}
return true, nil
}
return val == C.char(1), nil
}