2 files changed, 11 insertions, 0 deletions
diff --git a/Source/Core/Common/IOFile.cpp b/Source/Core/Common/IOFile.cpp
index cf7762ea68..cc22979bbe 100644
--- a/Source/Core/Common/IOFile.cpp
+++ b/Source/Core/Common/IOFile.cpp
@@ -101,6 +101,15 @@ bool IOFile::Close()
   return m_good;
 }
 
+IOFile IOFile::Duplicate(const char openmode[]) const
+{
+#ifdef _WIN32
+  return IOFile(_fdopen(_dup(_fileno(m_file)), openmode));
+#else   // _WIN32
+  return IOFile(fdopen(dup(fileno(m_file)), openmode));
+#endif  // _WIN32
+}
+
 void IOFile::SetHandle(std::FILE* file)
 {
   Close();
diff --git a/Source/Core/Common/IOFile.h b/Source/Core/Common/IOFile.h
index 62fdd7186e..4b12c31888 100644
--- a/Source/Core/Common/IOFile.h
+++ b/Source/Core/Common/IOFile.h
@@ -51,6 +51,8 @@ public:
             SharedAccess sh = SharedAccess::Default);
   bool Close();
 
+  IOFile Duplicate(const char openmode[]) const;
+
   template <typename T>
   bool ReadArray(T* elements, size_t count, size_t* num_read = nullptr)
   {