| // Copyright 2019 The Wuffs 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 |
| // |
| // https://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. |
| |
| //go:build cgo |
| // +build cgo |
| |
| package raczlib |
| |
| import ( |
| "io" |
| |
| "github.com/google/wuffs/lib/cgozlib" |
| ) |
| |
| func (r *CodecReader) makeDecompressor(compressed io.Reader, dict []byte) (io.Reader, error) { |
| if r.cachedReader == nil { |
| r.cachedReader = &cgozlib.Reader{} |
| } |
| if err := r.cachedReader.Reset(compressed, dict); err != nil { |
| return nil, err |
| } |
| return r.cachedReader, nil |
| } |