Only change codepage of input character if top bit is set

It seems that passing control characters through OemToCharBuff is
not a good idea:  some of them end up in the top half of the
codepage.

1 files changed, 4 insertions, 2 deletions

diff --git a/win32/termios.c b/win32/termios.c
index 40e70309e..2b1d2c761 100644
--- a/win32/termios.c
+++ b/win32/termios.c
@@ -75,8 +75,10 @@ int64_t FAST_FUNC read_key(int fd, char *buf UNUSED_PARAM, int timeout)
                         }
                         continue;
                 }
-                s = &record.Event.KeyEvent.uChar.AsciiChar;
-                OemToCharBuff(s, s, 1);
+                if ( (record.Event.KeyEvent.uChar.AsciiChar & 0x80) == 0x80 ) {
+                        s = &record.Event.KeyEvent.uChar.AsciiChar;
+                        OemToCharBuff(s, s, 1);
+                }
                 ret = record.Event.KeyEvent.uChar.AsciiChar;
                 break;
         }