Deflater.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Sys / System / IO / compression / Deflater.cs / 1 / Deflater.cs
                        

                        
                            // ==++== 
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//  zlib.h -- interface of the 'zlib' general purpose compression library 
//  version 1.2.1, November 17th, 2003
// 
//  Copyright (C) 1995-2003 Jean-loup Gailly and Mark Adler 
//
//  This software is provided 'as-is', without any express or implied 
//  warranty.  In no event will the authors be held liable for any damages
//  arising from the use of this software.
//
//  Permission is granted to anyone to use this software for any purpose, 
//  including commercial applications, and to alter it and redistribute it
//  freely, subject to the following restrictions: 
// 
//  1. The origin of this software must not be misrepresented; you must not
//     claim that you wrote the original software. If you use this software 
//     in a product, an acknowledgment in the product documentation would be
//     appreciated but is not required.
//  2. Altered source versions must be plainly marked as such, and must not be
//     misrepresented as being the original software. 
//  3. This notice may not be removed or altered from any source distribution.
// 
// 
// ==--==
// Compression engine 

namespace System.IO.Compression {
    using System;
    using System.Diagnostics; 

    internal class Deflater { 
        private FastEncoder encoder; 

        public Deflater(bool doGZip) { 
            encoder = new FastEncoder(doGZip);
        }

        public void SetInput(byte[] input, int startIndex, int count) { 
            encoder.SetInput(input, startIndex, count);
        } 
 
        public int GetDeflateOutput(byte[] output) {
            Debug.Assert(output != null, "Can't pass in a null output buffer!"); 
            return encoder.GetCompressedOutput(output);
        }

        public bool NeedsInput() { 
            return encoder.NeedsInput();
        } 
 
        public int Finish(byte[] output) {
            Debug.Assert(output != null, "Can't pass in a null output buffer!"); 
            return encoder.Finish(output);
        }
    }
}

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