X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/4838c7c65b8d42abce7cd95c8b7c5037072efb6b..f43e4b678f0b7aa847a3eeb3fab536058710d69f:/unix/uxcfg.c

diff --git a/unix/uxcfg.c b/unix/uxcfg.c
index 067fc7ed..c7d8d5fb 100644
--- a/unix/uxcfg.c
+++ b/unix/uxcfg.c
@@ -10,7 +10,7 @@
 #include "dialog.h"
 #include "storage.h"
 
-void unix_setup_config_box(struct controlbox *b, int midsession)
+void unix_setup_config_box(struct controlbox *b, int midsession, int protocol)
 {
     struct controlset *s;
     union control *c;
@@ -69,4 +69,12 @@ void unix_setup_config_box(struct controlbox *b, int midsession)
 	}
     }
 
+    /*
+     * Serial back end is available on Unix. However, we have to
+     * mask out a couple of the configuration options: mark and
+     * space parity are not conveniently supported, and neither is
+     * DSR/DTR flow control.
+     */
+    if (!midsession || (protocol == PROT_SERIAL))
+        ser_setup_config_box(b, midsession, 0x07, 0x07);
 }