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vendor/github.com/containers/ocicrypt/reader.go
40 строк
996 B
Harshal Patil
Image encryption/decryption support in skopeo
26 ноя 2019, 12:47
26 ноя 2019, 12:47
39ff039
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/* Copyright The ocicrypt Authors. 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. */ package ocicrypt import ( "io" ) type readerAtReader struct { r io.ReaderAt off int64 } // ReaderFromReaderAt takes an io.ReaderAt and returns an io.Reader func ReaderFromReaderAt(r io.ReaderAt) io.Reader { return &readerAtReader{ r: r, off: 0, } } func (rar *readerAtReader) Read(p []byte) (n int, err error) { n, err = rar.r.ReadAt(p, rar.off) rar.off += int64(n) return n, err }