HA-1053 Workaround fix for memory allocation in unzip process

.swift-version

-4.1
+4.2

Zip/Zip.swift

@@ -153,12 +153,13 @@ public class Zip {
                 throw ZipError.unzipFail
             }
             currentPosition += Double(fileInfo.compressed_size)
-            let fileNameSize = Int(fileInfo.size_filename) + 1
+            fileInfo.size_filename = 10240
+            let fileNameSize = 10240 // Int(fileInfo.size_filename) + 1
             //let fileName = UnsafeMutablePointer<CChar>(allocatingCapacity: fileNameSize)
             let fileName = UnsafeMutablePointer<CChar>.allocate(capacity: fileNameSize)
 
             unzGetCurrentFileInfo64(zip, &fileInfo, fileName, UInt(fileNameSize), nil, 0, nil, 0)
-            fileName[Int(fileInfo.size_filename)] = 0
+            //fileName[Int(fileInfo.size_filename)] = 0
 
             var pathString = String(cString: fileName)
 
@@ -166,11 +167,11 @@ public class Zip {
                 throw ZipError.unzipFail
             }
 
-            var isDirectory = false
-            let fileInfoSizeFileName = Int(fileInfo.size_filename-1)
-            if (fileName[fileInfoSizeFileName] == "/".cString(using: String.Encoding.utf8)?.first || fileName[fileInfoSizeFileName] == "\\".cString(using: String.Encoding.utf8)?.first) {
-                isDirectory = true;
-            }
+            // var isDirectory = false
+            // let fileInfoSizeFileName = Int(fileInfo.size_filename-1)
+            // if (fileName[fileInfoSizeFileName] == "/".cString(using: String.Encoding.utf8)?.first || fileName[fileInfoSizeFileName] == "\\".cString(using: String.Encoding.utf8)?.first) {
+            //     isDirectory = true;
+            // }
             free(fileName)
             if pathString.rangeOfCharacter(from: CharacterSet(charactersIn: "/\\")) != nil {
                 pathString = pathString.replacingOccurrences(of: "\\", with: "/")
@@ -184,15 +185,15 @@ public class Zip {
                                        FileAttributeKey.modificationDate : creationDate]
 
             do {
-                if isDirectory {
-                    try fileManager.createDirectory(atPath: fullPath, withIntermediateDirectories: true, attributes: directoryAttributes)
-                }
-                else {
+                // if isDirectory {
+                //     try fileManager.createDirectory(atPath: fullPath, withIntermediateDirectories: true, attributes: directoryAttributes)
+                // }
+                // else {
                     let parentDirectory = (fullPath as NSString).deletingLastPathComponent
                     try fileManager.createDirectory(atPath: parentDirectory, withIntermediateDirectories: true, attributes: directoryAttributes)
-                }
+                // }
             } catch {}
-            if fileManager.fileExists(atPath: fullPath) && !isDirectory && !overwrite {
+            if fileManager.fileExists(atPath: fullPath) && !overwrite { // !isDirectory && !overwrite {
                 unzCloseCurrentFile(zip)
                 ret = unzGoToNextFile(zip)
             }