Windows platform compatibility added for the internal method init?(fileSystemRepresentation:flags:createMode:).

Author: karthikkeyan

Foundation/FileHandle.swift

@@ -433,14 +433,16 @@ open class FileHandle : NSObject, NSSecureCoding {
         }
     }
 #endif
-    
-    internal init?(fileSystemRepresentation: UnsafePointer<Int8>, flags: Int32, createMode: Int) {
-        _fd = _CFOpenFileWithMode(fileSystemRepresentation, flags, mode_t(createMode))
-        _closeOnDealloc = true
-        super.init()
-        if _fd < 0 {
-            return nil
-        }
+
+    internal convenience init?(fileSystemRepresentation: UnsafePointer<Int8>, flags: Int32, createMode: Int) {
+        let fd = _CFOpenFileWithMode(fileSystemRepresentation, flags, mode_t(createMode))
+        guard fd > 0 else { return nil }
+        
+#if os(Windows)
+        self.init(handle: HANDLE(bitPattern: _get_osfhandle(fd))!, closeOnDealloc: true)
+#else
+        self.init(fileDescriptor: fd, closeOnDealloc: true)
+#endif
     }
 
     deinit {

Foundation/FileManager.swift

@@ -1737,18 +1737,14 @@ open class FileManager : NSObject {
             guard let file1BytesRead = try? file1._readBytes(into: buffer1, length: bytesToRead), file1BytesRead == bytesToRead else {
                 return false
             }
-            
             guard let file2BytesRead = try? file2._readBytes(into: buffer2, length: bytesToRead), file2BytesRead == bytesToRead else {
                 return false
             }
-            
             guard memcmp(buffer1, buffer2, bytesToRead) == 0 else {
                 return false
             }
-            
             bytesLeft -= Int64(bytesToRead)
         }
-        
         return true
 #endif
     }