Fix issue icsharpcode#334 from icsharpcode/SharpZipLib

iUnknwn · iUnknwn · commit 118750b878f3 · 2019-04-10T15:31:20.000-07:00
Ensures that, if the root path is an empty string, the library
will not try to take a substring of the file name (and causing the
first character to be truncated).
diff --git a/src/ICSharpCode.SharpZipLib/Tar/TarArchive.cs b/src/ICSharpCode.SharpZipLib/Tar/TarArchive.cs
@@ -784,7 +784,7 @@ private void WriteEntryCore(TarEntry sourceEntry, bool recurse)
 
 			string newName = null;
 
-			if (rootPath != null)
+			if (!String.IsNullOrEmpty(rootPath))
 			{
 				if (entry.Name.StartsWith(rootPath, StringComparison.OrdinalIgnoreCase))
 				{

Original file line number	Diff line number	Diff line change
`@@ -784,7 +784,7 @@ private void WriteEntryCore(TarEntry sourceEntry, bool recurse)`
`784`	`784`
`785`	`785`	`string newName = null;`
`786`	`786`
`787`		`- if (rootPath != null)`
	`787`	`+ if (!String.IsNullOrEmpty(rootPath))`
`788`	`788`	`{`
`789`	`789`	`if (entry.Name.StartsWith(rootPath, StringComparison.OrdinalIgnoreCase))`
`790`	`790`	`{`