win32: lineedit: make read_key() pass Ctrl+<letter> to read_line_input

This makes ^C and ^D work properly regarding ash input handling
(i.e. does not crash ash). Pressing ^C in ash does not stop running
programs though.

1 files changed, 6 insertions, 0 deletions

diff --git a/win32/termios.c b/win32/termios.c
index e2dc96361..34a17bbfd 100644
--- a/win32/termios.c
+++ b/win32/termios.c
@@ -31,6 +31,12 @@ int64_t FAST_FUNC read_key(int fd, char *buf, int timeout UNUSED_PARAM)
                         continue;
                 if (!record.Event.KeyEvent.uChar.AsciiChar) {
                         DWORD state = record.Event.KeyEvent.dwControlKeyState;
+
+                        if (state & (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED) &&
+                            (record.Event.KeyEvent.wVirtualKeyCode >= 'A' &&
+                             record.Event.KeyEvent.wVirtualKeyCode <= 'Z'))
+                                return record.Event.KeyEvent.wVirtualKeyCode & ~0x40;
+
                         switch (record.Event.KeyEvent.wVirtualKeyCode) {
                         case VK_DELETE: return KEYCODE_DELETE;
                         case VK_INSERT: return KEYCODE_INSERT;