/*
 * Copyright (c) 2026 Huawei Technologies Co., Ltd.
 * openFuyao is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */

// Package errutil provides shared error-wrapping helpers for internal packages.
package errutil

import "fmt"

// Wrap adds one action prefix to a non-nil error.
func Wrap(action string, err error) error {
	if err == nil {
		return nil
	}
	return fmt.Errorf("%s: %w", action, err)
}

// MergeClose prefers the primary error and falls back to one close error.
func MergeClose(baseErr, closeErr error, action string) error {
	if closeErr != nil && baseErr == nil {
		return fmt.Errorf("%s: %w", action, closeErr)
	}
	return baseErr
}