X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=unix%2Fuxser.c;h=41beaf0e75699866efe5f9080e572ad5f791df9d;hb=095072fa46b2d7b8beafaddb2f873d2f500a1e10;hp=8f4955c4e74c76c03574288f57f4f903c39b91f9;hpb=a1f3b7a358adaa7c2a98359cd0373aa823eeb14b;p=PuTTY.git

diff --git a/unix/uxser.c b/unix/uxser.c
index 8f4955c4..41beaf0e 100644
--- a/unix/uxser.c
+++ b/unix/uxser.c
@@ -289,8 +289,8 @@ static const char *serial_configure(Serial serial, Conf *conf)
  */
 static const char *serial_init(void *frontend_handle, void **backend_handle,
 			       Conf *conf,
-			       char *host, int port, char **realhost, int nodelay,
-			       int keepalive)
+			       const char *host, int port, char **realhost,
+                               int nodelay, int keepalive)
 {
     Serial serial;
     const char *err;
@@ -308,6 +308,7 @@ static const char *serial_init(void *frontend_handle, void **backend_handle,
     {
 	char *msg = dupprintf("Opening serial device %s", line);
 	logevent(serial->frontend, msg);
+        sfree(msg);
     }
 
     serial->fd = open(line, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK);
@@ -461,7 +462,7 @@ static void serial_try_write(Serial serial)
 /*
  * Called to send data down the serial connection.
  */
-static int serial_send(void *handle, char *buf, int len)
+static int serial_send(void *handle, const char *buf, int len)
 {
     Serial serial = (Serial) handle;
 
@@ -590,6 +591,7 @@ Backend serial_backend = {
     serial_provide_logctx,
     serial_unthrottle,
     serial_cfg_info,
+    NULL /* test_for_upstream */,
     "serial",
     PROT_SERIAL,
     0