Add bzip2.

AaruBenchmark/Benchs.cs

@@ -62,6 +62,9 @@ namespace AaruBenchmark
 
         [Benchmark]
         public void DotNetZip() => Compression.DotNetZip.Bzip2();
+
+        [Benchmark]
+        public void AaruNative() => Compression.AaruNative.Bzip2();
     }
 
     [SimpleJob(RuntimeMoniker.Net60)]

AaruBenchmark/Compression/AaruNative.cs

@@ -12,6 +12,10 @@ namespace AaruBenchmark.Compression
         [DllImport("libAaru.Compression.Native", SetLastError = true)]
         static extern int adc_decode_buffer(byte[] dst_buffer, int dst_size, byte[] src_buffer, int src_size);
 
+        [DllImport("libAaru.Compression.Native", SetLastError = true)]
+        static extern int BZ2_bzBuffToBuffDecompress(byte[] dest, ref uint destLen, byte[] source, uint sourceLen,
+                                                     int small, int verbosity);
+
         public static void AppleRle()
         {
             const int bufferSize = 32768;
@@ -59,5 +63,30 @@ namespace AaruBenchmark.Compression
             if(crc != "5a5a7388")
                 throw new InvalidDataException("Incorrect decompressed checksum");
         }
+
+        public static void Bzip2()
+        {
+            const int bufferSize = 1048576;
+            byte[]    input      = new byte[1053934];
+
+            var fs = new FileStream(Path.Combine(Program.Folder, "bzip2.bz2"), FileMode.Open, FileAccess.Read);
+
+            fs.Read(input, 0, input.Length);
+            fs.Close();
+            fs.Dispose();
+
+            byte[] output = new byte[bufferSize];
+
+            uint realSize = (uint)output.Length;
+            int  bzError  = BZ2_bzBuffToBuffDecompress(output, ref realSize, input, (uint)input.Length, 0, 0);
+
+            if(realSize != 1048576)
+                throw new InvalidDataException("Incorrect decompressed size");
+
+            string crc = Crc32Context.Data(output, realSize, out _);
+
+            if(crc != "c64059c0")
+                throw new InvalidDataException("Incorrect decompressed checksum");
+        }
     }
 }