SabreTools/SabreTools.Serialization
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Convert CExe to use GrindCore zlib

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This commit is contained in:
Matt Nadareski
2026-08-27 12:37:26 -04:00
parent 62427576e9
commit e493af25e0
1 changed files with 8 additions and 28 deletions
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36
SabreTools.Wrappers/PortableExecutable.Extraction.cs
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@@ -2,7 +2,7 @@
using System.IO;
using Nanook.GrindCore;
using Nanook.GrindCore.BZip2;
using SabreTools.IO.Compression.zlib;
using Nanook.GrindCore.ZLib;
using SabreTools.IO.Extensions;
using SabreTools.Matching;
using SabreTools.Numerics.Extensions;
@@ -737,35 +737,15 @@ namespace SabreTools.Wrappers
{
try
{
// Open the input stream as ZLib-compressed
using var inputStream = new MemoryStream(resource);
var zlibStream = new ZLibStream(inputStream, new CompressionOptions { Type = CompressionType.Decompress });
// Inflate the data into the buffer
var zstream = new ZLib.z_stream_s();
byte[] data = new byte[resource.Length * 4];
unsafe
{
fixed (byte* payloadPtr = resource, dataPtr = data)
{
zstream.next_in = payloadPtr;
zstream.avail_in = (uint)resource.Length;
zstream.total_in = (uint)resource.Length;
zstream.next_out = dataPtr;
zstream.avail_out = (uint)data.Length;
zstream.total_out = 0;
using var outputStream = new MemoryStream();
zlibStream.BlockCopy(outputStream);
byte[] data = outputStream.ToArray();
ZLib.inflateInit_(zstream, ZLib.zlibVersion(), resource.Length);
int zret = ZLib.inflate(zstream, 1);
ZLib.inflateEnd(zstream);
}
}
// Trim the buffer to the proper size
uint read = zstream.total_out;
#if NETFRAMEWORK
var temp = new byte[read];
Array.Copy(data, temp, read);
data = temp;
#else
data = new ReadOnlySpan<byte>(data, 0, (int)read).ToArray();
#endif
return data;
}
catch