Skip empty fields in Error() (#59)

pkg · Jan 10, 2022 · e172f4d · e172f4d
1 parent 38c1411
commit e172f4d
Showing 1 changed file with 23 additions and 2 deletions.
diff --git a/xattr.go b/xattr.go
@@ -29,8 +29,29 @@ type Error struct {
 	Err  error
 }
 
-func (e *Error) Error() string {
-	return e.Op + " " + e.Path + " " + e.Name + ": " + e.Err.Error()
+func (e *Error) Error() (errstr string) {
+	if e.Op != "" {
+		errstr += e.Op
+	}
+	if e.Path != "" {
+		if errstr != "" {
+			errstr += " "
+		}
+		errstr += e.Path
+	}
+	if e.Name != "" {
+		if errstr != "" {
+			errstr += " "
+		}
+		errstr += e.Name
+	}
+	if e.Err != nil {
+		if errstr != "" {
+			errstr += ": "
+		}
+		errstr += e.Err.Error()
+	}
+	return
 }
 
 // Get retrieves extended attribute data associated with path. It will follow