utils_mod.go

/*
 * Copyright 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 *
 */

package utils

import "github.com/gardener/controller-manager-library/pkg/utils"

// AssureStringArray handles modification of a string array.
func AssureStringArray(mod *utils.ModificationState, dst *[]string, value []string) {
	if value == nil {
		value = []string{}
	}
	if !EqualStringArray(*dst, value) {
		*dst = value
		mod.Modify(true)
	}
}

// EqualStringArray compares string arrays.
func EqualStringArray(a, b []string) bool {
	if len(a) != len(b) {
		return false
	}
	for i, v := range a {
		if v != b[i] {
			return false
		}
	}
	return true
}