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When CGO is enabled, use C version of ZStd (#270)
* When CGO is enabled, use C version of ZStd * Fixed formatting
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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. | ||
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| // +build cgo | ||
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| // If CGO is enabled, use ZSTD library that links with official | ||
| // C based zstd which provides better performance compared with | ||
| // respect to the native Go implementation of ZStd. | ||
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| package compression | ||
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| import ( | ||
| zstd "github.com/valyala/gozstd" | ||
| ) | ||
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| type zstdCGoProvider struct{} | ||
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| func NewZStdProvider() Provider { | ||
| return &zstdCGoProvider{} | ||
| } | ||
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| func (*zstdCGoProvider) CanCompress() bool { | ||
| return true | ||
| } | ||
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| func (*zstdCGoProvider) Compress(data []byte) []byte { | ||
| return zstd.Compress(nil, data) | ||
| } | ||
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| func (*zstdCGoProvider) Decompress(compressedData []byte, originalSize int) ([]byte, error) { | ||
| return zstd.Decompress(nil, compressedData) | ||
| } |