53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
/*
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* Copyright (c) SAS Institute, Inc.
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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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*/
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package cpio
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import "io"
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type Reader struct {
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stream *CpioStream
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cur_ent *CpioEntry
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}
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func NewReader(stream io.Reader) *Reader {
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return NewReaderWithSizes(stream, nil)
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}
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func NewReaderWithSizes(stream io.Reader, sizes []int64) *Reader {
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cstream := NewCpioStream(stream)
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cstream.SetFileSizes(sizes)
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return &Reader{
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stream: cstream,
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cur_ent: nil,
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}
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}
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func (r *Reader) Next() (*Cpio_newc_header, error) {
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ent, err := r.stream.ReadNextEntry()
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if err != nil {
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return nil, err
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} else if ent.Header.filename == TRAILER {
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return nil, io.EOF
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}
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r.cur_ent = ent
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return r.cur_ent.Header, nil
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}
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func (r *Reader) Read(p []byte) (n int, err error) {
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return r.cur_ent.payload.Read(p)
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}
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