1 files changed, 35 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/UI/Common/DefaultName.cpp b/src/libs/7zip/win/CPP/7zip/UI/Common/DefaultName.cpp
new file mode 100644
index 000000000..4335e2731
--- /dev/null
+++ b/src/libs/7zip/win/CPP/7zip/UI/Common/DefaultName.cpp
@@ -0,0 +1,35 @@
+// DefaultName.cpp
+
+#include "StdAfx.h"
+
+#include "DefaultName.h"
+
+static UString GetDefaultName3(const UString &fileName,
+    const UString &extension, const UString &addSubExtension)
+{
+  int extLength = extension.Length();
+  int fileNameLength = fileName.Length();
+  if (fileNameLength > extLength + 1)
+  {
+    int dotPos = fileNameLength - (extLength + 1);
+    if (fileName[dotPos] == '.')
+      if (extension.CompareNoCase(fileName.Mid(dotPos + 1)) == 0)
+        return fileName.Left(dotPos) + addSubExtension;
+  }
+  int dotPos = fileName.ReverseFind(L'.');
+  if (dotPos > 0)
+    return fileName.Left(dotPos) + addSubExtension;
+
+  if (addSubExtension.IsEmpty())
+    return fileName + L"~";
+  else
+    return fileName + addSubExtension;
+}
+
+UString GetDefaultName2(const UString &fileName,
+    const UString &extension, const UString &addSubExtension)
+{
+  UString name = GetDefaultName3(fileName, extension, addSubExtension);
+  name.TrimRight();
+  return name;
+}