fix size calculation in GetDescriptorSize

Numpsy · Numpsy · commit f28a12e41619 · 2020-08-19T23:28:21.000+01:00
diff --git a/src/ICSharpCode.SharpZipLib/Zip/ZipFile.cs b/src/ICSharpCode.SharpZipLib/Zip/ZipFile.cs
@@ -2466,10 +2466,10 @@ private int GetDescriptorSize(ZipUpdate update)
 			int result = 0;
 			if ((update.Entry.Flags & (int)GeneralBitFlags.Descriptor) != 0)
 			{
-				result = ZipConstants.DataDescriptorSize - 4;
+				result = ZipConstants.DataDescriptorSize;
 				if (update.Entry.LocalHeaderRequiresZip64)
 				{
-					result = ZipConstants.Zip64DataDescriptorSize - 4;
+					result = ZipConstants.Zip64DataDescriptorSize;
 				}
 			}
 			return result;

Original file line number	Diff line number	Diff line change
`@@ -2466,10 +2466,10 @@ private int GetDescriptorSize(ZipUpdate update)`
`2466`	`2466`	`int result = 0;`
`2467`	`2467`	`if ((update.Entry.Flags & (int)GeneralBitFlags.Descriptor) != 0)`
`2468`	`2468`	`{`
`2469`		`- result = ZipConstants.DataDescriptorSize - 4;`
	`2469`	`+ result = ZipConstants.DataDescriptorSize;`
`2470`	`2470`	`if (update.Entry.LocalHeaderRequiresZip64)`
`2471`	`2471`	`{`
`2472`		`- result = ZipConstants.Zip64DataDescriptorSize - 4;`
	`2472`	`+ result = ZipConstants.Zip64DataDescriptorSize;`
`2473`	`2473`	`}`
`2474`	`2474`	`}`
`2475`	`2475`	`return result;`