// Remove the attribute.
func Removexattr(path, name string) error {
name = userPrefix + name
if err := syscall.Removexattr(path, name); err != nil {
return &XAttrError{"removexattr", path, name, err}
}
return nil
}
func TestXAttrRead(t *testing.T) {
nm := xattrFilename
mountPoint, clean := xattrTestCase(t, nm)
defer clean()
mounted := filepath.Join(mountPoint, nm)
attrs, err := listXAttr(mounted)
readback := make(map[string][]byte)
if err != nil {
t.Error("Unexpected ListXAttr error", err)
} else {
for _, a := range attrs {
val, err := readXAttr(mounted, a)
if err != nil {
t.Errorf("GetXAttr(%q) failed: %v", a, err)
}
readback[a] = val
}
}
if len(readback) != len(xattrGolden) {
t.Error("length mismatch", xattrGolden, readback)
} else {
for k, v := range readback {
if bytes.Compare(xattrGolden[k], v) != 0 {
t.Error("val mismatch", k, v, xattrGolden[k])
}
}
}
err = syscall.Setxattr(mounted, "third", []byte("value"), 0)
if err != nil {
t.Error("Setxattr error", err)
}
val, err := readXAttr(mounted, "third")
if err != nil || string(val) != "value" {
t.Error("Read back set xattr:", err, string(val))
}
syscall.Removexattr(mounted, "third")
val, err = readXAttr(mounted, "third")
if err != syscall.ENODATA {
t.Error("Data not removed?", err, val)
}
}
// Removexattr calls syscall removexattr
func Removexattr(path string, attr string) (err error) {
return syscall.Removexattr(path, attr)
}
// deletes an attribute.
func (this *FileXattribsNS) Remove(tag string) error {
return syscall.Removexattr(this.File.Name(), this.namespace+ssep+tag)
}