Fuzz btrfsitem, and by consequence improve binstruct errors

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/binstruct/errors.go b/lib/binstruct/errors.go
new file mode 100644
index 0000000..3914ec7
--- /dev/null
+++ b/lib/binstruct/errors.go
@@ -0,0 +1,48 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package binstruct
+
+import (
+	"fmt"
+	"reflect"
+)
+
+type InvalidTypeError struct {
+	Type reflect.Type
+	Err  error
+}
+
+func (e *InvalidTypeError) Error() string {
+	return fmt.Sprintf("%v: %v", e.Type, e.Err)
+}
+func (e *InvalidTypeError) Unwrap() error { return e.Err }
+
+type UnmarshalError struct {
+	Type   reflect.Type
+	Method string
+	Err    error
+}
+
+func (e *UnmarshalError) Error() string {
+	if e.Method == "" {
+		return fmt.Sprintf("%v: %v", e.Type, e.Err)
+	}
+	return fmt.Sprintf("(%v).%v: %v", e.Type, e.Method, e.Err)
+}
+func (e *UnmarshalError) Unwrap() error { return e.Err }
+
+type MarshalError struct {
+	Type   reflect.Type
+	Method string
+	Err    error
+}
+
+func (e *MarshalError) Error() string {
+	if e.Method == "" {
+		return fmt.Sprintf("%v: %v", e.Type, e.Err)
+	}
+	return fmt.Sprintf("(%v).%v: %v", e.Type, e.Method, e.Err)
+}
+func (e *MarshalError) Unwrap() error { return e.Err }