X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=rlogin.c;h=a80d12e3cea6d49e6a9aeb6342829b5b5acb02e3;hb=869989e7e66524b8d412e70be0b72080cf0e9fac;hp=525d48d0dda04f722729aa8a84c71e393c35f4c8;hpb=f08de20a1e9ea12f207622bd381d769e2151d584;p=PuTTY.git

diff --git a/rlogin.c b/rlogin.c
index 525d48d0..a80d12e3 100644
--- a/rlogin.c
+++ b/rlogin.c
@@ -68,7 +68,8 @@ static int rlogin_receive(Plug plug, int urgent, char *data, int len)
 	    }
 	    firstbyte = 0;
 	}
-	c_write(data, len);
+	if (len > 0)
+            c_write(data, len);
     }
     return 1;
 }
@@ -86,7 +87,7 @@ static void rlogin_sent(Plug plug, int bufsize)
  * Also places the canonical host name into `realhost'. It must be
  * freed by the caller.
  */
-static char *rlogin_init(char *host, int port, char **realhost)
+static char *rlogin_init(char *host, int port, char **realhost, int nodelay)
 {
     static struct plug_function_table fn_table = {
 	rlogin_closing,
@@ -121,7 +122,7 @@ static char *rlogin_init(char *host, int port, char **realhost)
 	sprintf(buf, "Connecting to %.100s port %d", addrbuf, port);
 	logevent(buf);
     }
-    s = sk_new(addr, port, 1, 0, &fn_table_ptr);
+    s = sk_new(addr, port, 1, 0, nodelay, &fn_table_ptr);
     if ((err = sk_socket_error(s)))
 	return err;
 
@@ -177,6 +178,9 @@ static void rlogin_size(void)
 {
     char b[12] = { '\xFF', '\xFF', 0x73, 0x73, 0, 0, 0, 0, 0, 0, 0, 0 };
 
+    if (s == NULL)
+	return;
+    
     b[6] = cols >> 8;
     b[7] = cols & 0xFF;
     b[4] = rows >> 8;
@@ -214,6 +218,12 @@ static int rlogin_ldisc(int option)
     return 0;
 }
 
+static int rlogin_exitcode(void)
+{
+    /* If we ever implement RSH, we'll probably need to do this properly */
+    return 0;
+}
+
 Backend rlogin_backend = {
     rlogin_init,
     rlogin_send,
@@ -221,6 +231,7 @@ Backend rlogin_backend = {
     rlogin_size,
     rlogin_special,
     rlogin_socket,
+    rlogin_exitcode,
     rlogin_sendok,
     rlogin_ldisc,
     rlogin_unthrottle,