Merge branch 'TarLongNamesFix' of https://github.com/creker/SharpZipLib into creker-TarLongNamesFix

Author: McNeight

ICSharpCode.SharpZipLib/Tar/TarHeader.cs

@@ -896,7 +896,7 @@ public static int GetNameBytes(string name, int nameOffset, byte[] buffer, int b
 
 			int i;
 
-			for (i = 0 ; i < length - 1 && nameOffset + i < name.Length; ++i) {
+			for (i = 0 ; i < length && nameOffset + i < name.Length; ++i) {
 				buffer[bufferOffset + i] = (byte)name[nameOffset + i];
 			}
 

ICSharpCode.SharpZipLib/Tar/TarOutputStream.cs

@@ -277,14 +277,15 @@ public void PutNextEntry(TarEntry entry)
 				throw new ArgumentNullException("entry");
 			}
 
-			if (entry.TarHeader.Name.Length >= TarHeader.NAMELEN) {
+			if (entry.TarHeader.Name.Length > TarHeader.NAMELEN) {
 				TarHeader longHeader = new TarHeader();
 				longHeader.TypeFlag = TarHeader.LF_GNU_LONGNAME;
 				longHeader.Name = longHeader.Name + "././@LongLink";
-				longHeader.UserId = 0;
-				longHeader.GroupId = 0;
-				longHeader.GroupName = "";
-				longHeader.UserName = "";
+				longHeader.Mode = 420;//644 by default
+				longHeader.UserId = entry.UserId;
+				longHeader.GroupId = entry.GroupId;
+				longHeader.GroupName = entry.GroupName;
+				longHeader.UserName = entry.UserName;
 				longHeader.LinkName = "";
                 longHeader.Size = entry.TarHeader.Name.Length + 1;	// Plus one to avoid dropping last char