Implement Marcin Bulandra's suggestion of only automatically updating the

[u/mdw/putty] / unix / uxser.c

diff --git a/unix/uxser.c b/unix/uxser.c
index 08f2157..92961a7 100644 (file)
--- a/unix/uxser.c
+++ b/unix/uxser.c
@@ -214,7 +214,16 @@ static const char *serial_configure(Serial serial, Config *cfg)
 #ifdef ONLCR
                         | ONLCR
 #endif
-                        | OCRNL | ONOCR | ONLRET);
+#ifdef OCRNL
+                        | OCRNL
+#endif
+#ifdef ONOCR
+                        | ONOCR
+#endif
+#ifdef ONLRET
+                        | ONLRET
+#endif
+                        );
     options.c_cc[VMIN] = 1;
     options.c_cc[VTIME] = 0;
 
@@ -257,7 +266,7 @@ static const char *serial_init(void *frontend_handle, void **backend_handle,
     if (serial->fd < 0)
        return "Unable to open serial port";
 
-    fcntl(serial->fd, F_SETFD, FD_CLOEXEC);
+    cloexec(serial->fd);
 
     err = serial_configure(serial, cfg);
     if (err)
@@ -527,5 +536,7 @@ Backend serial_backend = {
     serial_provide_logctx,
     serial_unthrottle,
     serial_cfg_info,
-    1
+    "serial",
+    PROT_SERIAL,
+    0
 };