Disable a bunch of undesirable termios flags. ICRNL, in particular,

is liable to have been set on serial ports previously used as
terminal devices, and definitely wants not to be set on serial ports
being used for callout.

git-svn-id: svn://svn.tartarus.org/sgt/putty@6865 cda61777-01e9-0310-a592-d414129be87e

diff --git a/unix/uxser.c b/unix/uxser.c
index 463f4c4..d647108 100644 (file)
--- a/unix/uxser.c
+++ b/unix/uxser.c
@@ -205,7 +205,16 @@ static const char *serial_configure(Serial serial, Config *cfg)
 
     options.c_cflag |= CLOCAL | CREAD;
     options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
-    options.c_oflag &= ~OPOST;
+    options.c_iflag &= ~(ISTRIP | IGNCR | INLCR | ICRNL
+#ifdef IUCLC
+                        | IUCLC
+#endif
+                        );
+    options.c_oflag &= ~(OPOST
+#ifdef ONLCR
+                        | ONLCR
+#endif
+                        | OCRNL | ONOCR | ONLRET);
     options.c_cc[VMIN] = 1;
     options.c_cc[VTIME] = 0;