kube-arangodb/pkg/util/io.go

//
// DISCLAIMER
//
// Copyright 2023 ArangoDB GmbH, Cologne, Germany
//
// 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
// limitations under the License.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//

package util

import "io"

func WriteAll(out io.Writer, data []byte) (int, error) {
	size := 0
	for {
		if len(data) == 0 {
			return size, nil
		}

		n, err := out.Write(data)
		if err != nil {
			return 0, err
		}

		if n == len(data) {
			return size + n, nil
		}

		size += n

		data = data[n:]
	}
}