From a75d9436bc68a3a657f5bf216b816480c430bdc8 Mon Sep 17 00:00:00 2001
From: Bertrand Bellenot <bertrand.bellenot@cern.ch>
Date: Mon, 16 Jul 2018 13:41:32 +0200
Subject: [PATCH] Fix potential issue with Unicode

Fix potential compilation error C2664: 'HANDLE CreateFileW(LPCWSTR,DWORD,DWORD,LPSECURITY_ATTRIBUTES,DWORD,DWORD,HANDLE)': cannot convert argument 1 from 'const char [8]' to 'LPCWSTR' with Unicode/MBCS, as reported here: https://github.com/root-project/cling/issues/186#issuecomment-404902026
---
 lib/UserInterface/textinput/TerminalDisplayWin.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/UserInterface/textinput/TerminalDisplayWin.cpp b/lib/UserInterface/textinput/TerminalDisplayWin.cpp
index c44333bd..6455b4d0 100644
--- a/lib/UserInterface/textinput/TerminalDisplayWin.cpp
+++ b/lib/UserInterface/textinput/TerminalDisplayWin.cpp
@@ -19,6 +19,12 @@
 
 #include <assert.h>
 
+#ifdef UNICODE
+#define filename L"CONOUT$"
+#else
+#define filename "CONOUT$"
+#endif
+
 namespace textinput {
   TerminalDisplayWin::TerminalDisplayWin():
     TerminalDisplay(false), fStartLine(0), fIsAttached(false),
@@ -31,7 +37,7 @@ namespace textinput {
     if (!isConsole) {
       // Prevent redirection from stealing our console handle,
       // simply open our own.
-      fOut = ::CreateFile("CONOUT$", GENERIC_READ | GENERIC_WRITE,
+      fOut = ::CreateFile(filename, GENERIC_READ | GENERIC_WRITE,
         FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
         FILE_ATTRIBUTE_NORMAL, NULL);
       ::GetConsoleMode(fOut, &fOldMode);
@@ -48,6 +54,8 @@ namespace textinput {
     HandleResizeEvent();
   }
 
+#undef filename
+
   TerminalDisplayWin::~TerminalDisplayWin() {
     if (fDefaultAttributes) {
       ::SetConsoleTextAttribute(fOut, fDefaultAttributes);