62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// Copyright 2024 Woodpecker Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package log
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import (
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"bufio"
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"errors"
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"io"
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)
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func writeChunks(dst io.Writer, data []byte, size int) error {
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if len(data) <= size {
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_, err := dst.Write(data)
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return err
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}
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for len(data) > size {
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if _, err := dst.Write(data[:size]); err != nil {
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return err
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}
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data = data[size:]
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}
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if len(data) > 0 {
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_, err := dst.Write(data)
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return err
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}
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return nil
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}
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func CopyLineByLine(dst io.Writer, src io.Reader, maxSize int) error {
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r := bufio.NewReader(src)
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for {
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// TODO: read til newline or maxSize directly
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line, err := r.ReadBytes('\n')
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if errors.Is(err, io.EOF) {
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return writeChunks(dst, line, maxSize)
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} else if err != nil {
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return err
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}
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err = writeChunks(dst, line, maxSize)
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if err != nil {
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return err
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}
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}
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}
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