Merge branch 'master' into feat/opt-ziptest

.github/workflows/build-test.yml

@@ -14,14 +14,14 @@ on:
 
 jobs:
   Build:
-    runs-on: ${{ matrix.os }}-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu, windows, macos]
+        os: [ubuntu-latest, windows-2019, macos-latest]
         target: [netstandard2.0, netstandard2.1]
         include:
-          - os: windows
+          - os: windows-2019
             target: net45
     env:
       LIB_PROJ: src/ICSharpCode.SharpZipLib/ICSharpCode.SharpZipLib.csproj
@@ -35,6 +35,9 @@ jobs:
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '3.1.x'
+
+    - name: Show .NET info
+      run: dotnet --info
 
     - name: Build library (Debug)
       run: dotnet build -c debug -f ${{ matrix.target }} ${{ env.LIB_PROJ }}
@@ -73,7 +76,7 @@ jobs:
 
   CodeCov:
     name: Code Coverage
-    runs-on: windows-latest
+    runs-on: windows-2019
     env:
       DOTCOVER_VER: 2021.1.2
       DOTCOVER_PKG: jetbrains.dotcover.commandlinetools
@@ -117,7 +120,7 @@ jobs:
 
   Pack:
     needs: [Build, Test, CodeCov]
-    runs-on: windows-latest
+    runs-on: windows-2019
     env:
       PKG_SUFFIX: ''
       PKG_PROJ: src/ICSharpCode.SharpZipLib/ICSharpCode.SharpZipLib.csproj

README.md

@@ -1,4 +1,4 @@
-# SharpZipLib [![Build Status](https://github.com/icsharpcode/SharpZipLib/actions/workflows/build-test.yml/badge.svg?branch=master)](https://github.com/icsharpcode/SharpZipLib/actions/workflows/build-test.yml) [![NuGet Version](https://img.shields.io/nuget/v/SharpZipLib.svg)](https://www.nuget.org/packages/SharpZipLib/)
+# SharpZipLib [![Build Status](https://github.com/icsharpcode/SharpZipLib/actions/workflows/build-test.yml/badge.svg?branch=master)](https://github.com/icsharpcode/SharpZipLib/actions/workflows/build-test.yml) [![NuGet Version](https://img.shields.io/nuget/v/SharpZipLib.svg)](https://www.nuget.org/packages/SharpZipLib/) [![openupm](https://img.shields.io/npm/v/org.icsharpcode.sharpziplib?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/org.icsharpcode.sharpziplib/)
 
 Introduction
 ------------

samples/ICSharpCode.SharpZipLib.Samples/cs/Cmd_BZip2/Cmd_BZip2.csproj

@@ -101,7 +101,7 @@ copy Cmd_BZip2.exe bunzip2.exe</PostBuildEvent>
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/Cmd_Checksum/Cmd_Checksum.csproj

@@ -100,7 +100,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/Cmd_GZip/Cmd_GZip.csproj

@@ -100,7 +100,7 @@ copy Cmd_GZip.exe gunzip.exe</PostBuildEvent>
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/Cmd_Tar/Cmd_Tar.csproj

@@ -91,7 +91,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/Cmd_ZipInfo/Cmd_ZipInfo.csproj

@@ -99,7 +99,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/CreateZipFile/CreateZipFile.csproj

@@ -107,7 +107,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/FastZip/FastZip.csproj

@@ -90,7 +90,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/sz/sz.csproj

@@ -85,7 +85,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/unzipfile/unzipfile.csproj

@@ -61,7 +61,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/viewzipfile/viewzipfile.csproj

@@ -61,7 +61,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

samples/ICSharpCode.SharpZipLib.Samples/cs/zf/zf.csproj

@@ -85,7 +85,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />

samples/ICSharpCode.SharpZipLib.Samples/vb/CreateZipFile/CreateZipFile.vbproj

@@ -95,7 +95,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <ItemGroup>

samples/ICSharpCode.SharpZipLib.Samples/vb/WpfCreateZipFile/WpfCreateZipFile.vbproj

@@ -171,7 +171,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
     <PackageReference Include="WPFFolderBrowser">
       <Version>1.0.2</Version>

samples/ICSharpCode.SharpZipLib.Samples/vb/minibzip2/minibzip2.vbproj

@@ -112,7 +112,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <ItemGroup>

samples/ICSharpCode.SharpZipLib.Samples/vb/viewzipfile/viewzipfile.vbproj

@@ -90,7 +90,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <ItemGroup>

samples/ICSharpCode.SharpZipLib.Samples/vb/zipfiletest/zipfiletest.vbproj

@@ -100,7 +100,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <ItemGroup>

src/ICSharpCode.SharpZipLib/Zip/ZipConstants.cs

@@ -487,4 +487,28 @@ public static class ZipConstants
 
 		#endregion Header Signatures
 	}
+
+	/// <summary>
+	/// GeneralBitFlags helper extensions
+	/// </summary>
+	public static class GenericBitFlagsExtensions
+	{
+		/// <summary>
+		/// Efficiently check if any of the <see cref="GeneralBitFlags">flags</see> are set without enum un-/boxing
+		/// </summary>
+		/// <param name="target"></param>
+		/// <param name="flags"></param>
+		/// <returns>Returns whether any of flags are set</returns>
+		public static bool HasAny(this GeneralBitFlags target, GeneralBitFlags flags)
+			=> ((int)target & (int)flags) != 0;
+
+		/// <summary>
+		/// Efficiently check if all the <see cref="GeneralBitFlags">flags</see> are set without enum un-/boxing
+		/// </summary>
+		/// <param name="target"></param>
+		/// <param name="flags"></param>
+		/// <returns>Returns whether the flags are all set</returns>
+		public static bool HasAll(this GeneralBitFlags target, GeneralBitFlags flags)
+			=> ((int)target & (int)flags) == (int)flags;
+	}
 }

src/ICSharpCode.SharpZipLib/Zip/ZipFile.cs

@@ -1142,15 +1142,15 @@ private long TestLocalHeader(ZipEntry entry, HeaderTest tests)
 					size = localExtraData.ReadLong();
 					compressedSize = localExtraData.ReadLong();
 
-					if (localFlags.Includes(GeneralBitFlags.Descriptor))
+					if (localFlags.HasAny(GeneralBitFlags.Descriptor))
 					{
 						// These may be valid if patched later
-						if ((size != -1) && (size != entry.Size))
+						if ((size > 0) && (size != entry.Size))
 						{
 							throw new ZipException("Size invalid for descriptor");
 						}
 
-						if ((compressedSize != -1) && (compressedSize != entry.CompressedSize))
+						if ((compressedSize > 0) && (compressedSize != entry.CompressedSize))
 						{
 							throw new ZipException("Compressed size invalid for descriptor");
 						}
@@ -1181,9 +1181,11 @@ private long TestLocalHeader(ZipEntry entry, HeaderTest tests)
 							throw new ZipException($"Version required to extract this entry not supported ({extractVersion})");
 						}
 
-						const GeneralBitFlags notSupportedFlags = GeneralBitFlags.Patched | GeneralBitFlags.StrongEncryption |
-						                        GeneralBitFlags.EnhancedCompress | GeneralBitFlags.HeaderMasked;
-						if (localFlags.Includes(notSupportedFlags))
+						const GeneralBitFlags notSupportedFlags = GeneralBitFlags.Patched 
+																| GeneralBitFlags.StrongEncryption 
+																| GeneralBitFlags.EnhancedCompress 
+																| GeneralBitFlags.HeaderMasked;
+						if (localFlags.HasAny(notSupportedFlags))
 						{
 							throw new ZipException($"The library does not support the zip features required to extract this entry ({localFlags & notSupportedFlags:F})");
 						}
@@ -1215,21 +1217,21 @@ private long TestLocalHeader(ZipEntry entry, HeaderTest tests)
 					var localEncoding = _stringCodec.ZipInputEncoding(localFlags);
 
 					// Local entry flags dont have reserved bit set on.
-					if (localFlags.Includes(GeneralBitFlags.ReservedPKware4 | GeneralBitFlags.ReservedPkware14 | GeneralBitFlags.ReservedPkware15))
+					if (localFlags.HasAny(GeneralBitFlags.ReservedPKware4 | GeneralBitFlags.ReservedPkware14 | GeneralBitFlags.ReservedPkware15))
 					{
 						throw new ZipException("Reserved bit flags cannot be set.");
 					}
 
 					// Encryption requires extract version >= 20
-					if (localFlags.Includes(GeneralBitFlags.Encrypted) && extractVersion < 20)
+					if (localFlags.HasAny(GeneralBitFlags.Encrypted) && extractVersion < 20)
 					{
 						throw new ZipException($"Version required to extract this entry is too low for encryption ({extractVersion})");
 					}
 
 					// Strong encryption requires encryption flag to be set and extract version >= 50.
-					if (localFlags.Includes(GeneralBitFlags.StrongEncryption))
+					if (localFlags.HasAny(GeneralBitFlags.StrongEncryption))
 					{
-						if (!localFlags.Includes(GeneralBitFlags.Encrypted))
+						if (!localFlags.HasAny(GeneralBitFlags.Encrypted))
 						{
 							throw new ZipException("Strong encryption flag set but encryption flag is not set");
 						}
@@ -1241,13 +1243,13 @@ private long TestLocalHeader(ZipEntry entry, HeaderTest tests)
 					}
 
 					// Patched entries require extract version >= 27
-					if (localFlags.Includes(GeneralBitFlags.Patched) && extractVersion < 27)
+					if (localFlags.HasAny(GeneralBitFlags.Patched) && extractVersion < 27)
 					{
 						throw new ZipException($"Patched data requires higher version than ({extractVersion})");
 					}
 
 					// Central header flags match local entry flags.
-					if (!localFlags.Equals((GeneralBitFlags)entry.Flags))
+					if ((int)localFlags != entry.Flags)
 					{
 						throw new ZipException($"Central header/local header flags mismatch ({(GeneralBitFlags)entry.Flags:F} vs {localFlags:F})");
 					}
@@ -1264,23 +1266,23 @@ private long TestLocalHeader(ZipEntry entry, HeaderTest tests)
 					}
 
 					// Strong encryption and extract version match
-					if (localFlags.Includes(GeneralBitFlags.StrongEncryption))
+					if (localFlags.HasAny(GeneralBitFlags.StrongEncryption))
 					{
 						if (extractVersion < 62)
 						{
 							throw new ZipException("Strong encryption flag set but version not high enough");
 						}
 					}
 
-					if (localFlags.Includes(GeneralBitFlags.HeaderMasked))
+					if (localFlags.HasAny(GeneralBitFlags.HeaderMasked))
 					{
 						if (fileTime != 0 || fileDate != 0)
 						{
 							throw new ZipException("Header masked set but date/time values non-zero");
 						}
 					}
 
-					if (!localFlags.Includes(GeneralBitFlags.Descriptor))
+					if (!localFlags.HasAny(GeneralBitFlags.Descriptor))
 					{
 						if (crcValue != (uint)entry.Crc)
 						{
@@ -1350,7 +1352,7 @@ private long TestLocalHeader(ZipEntry entry, HeaderTest tests)
 
 				// Size can be verified only if it is known in the local header.
 				// it will always be known in the central header.
-				if (!localFlags.Includes(GeneralBitFlags.Descriptor) ||
+				if (!localFlags.HasAny(GeneralBitFlags.Descriptor) ||
 					((size > 0 || compressedSize > 0) && entry.Size > 0))
 				{
 					if (size != 0 && size != entry.Size)
@@ -2504,7 +2506,7 @@ private void CopyDescriptorBytes(ZipUpdate update, Stream dest, Stream source)
 		/// <returns>The descriptor size, zero if there isn't one.</returns>
 		private static int GetDescriptorSize(ZipUpdate update, bool includingSignature)
 		{
-			if (!((GeneralBitFlags)update.Entry.Flags).HasFlag(GeneralBitFlags.Descriptor)) 
+			if (!((GeneralBitFlags)update.Entry.Flags).HasAny(GeneralBitFlags.Descriptor)) 
 				return 0;
 
 			var descriptorWithSignature = update.Entry.LocalHeaderRequiresZip64