Reading 4K at a time from a serial port turns out to be a bit

[u/mdw/putty] / windows / winser.c

diff --git a/windows/winser.c b/windows/winser.c
index f50eea1..21ff9a2 100644 (file)
--- a/windows/winser.c
+++ b/windows/winser.c
@@ -241,7 +241,8 @@ static const char *serial_init(void *frontend_handle, void **backend_handle,
                                    HANDLE_FLAG_OVERLAPPED);
     serial->in = handle_input_new(serport, serial_gotdata, serial,
                                  HANDLE_FLAG_OVERLAPPED |
-                                 HANDLE_FLAG_IGNOREEOF);
+                                 HANDLE_FLAG_IGNOREEOF |
+                                 HANDLE_FLAG_UNITBUFFER);
 
     *realhost = dupstr(cfg->serline);