From 1decb6802272deceb011219460fc380ba9929d41 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@twinsun.com>
Date: Thu, 29 Oct 1998 00:16:49 +0000
Subject: [PATCH] (XTread_socket): Check the returned value of XmbLookupString
 more carefully.

---
 src/xterm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/xterm.c b/src/xterm.c
index b9a8d1c3ed4..e04b04ea651 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -4239,6 +4239,13 @@ XTread_socket (sd, bufp, numchars, expected)
 						&event.xkey, copy_buffer,
 						80, &keysym,
 						&status_return);
+		      if (status_return == XLookupNone)
+			break;
+		      else if (status_return == XLookupChars)
+			keysym = NoSymbol;
+		      else if (status_return != XLookupKeySym
+			       && status_return != XLookupBoth)
+			abort ();
 		    }
 		  else
 		    nbytes = XLookupString (&event.xkey, copy_buffer,
@@ -4357,6 +4364,9 @@ XTread_socket (sd, bufp, numchars, expected)
 
 			  count += nbytes;
 			  numchars -= nbytes;
+
+			  if (keysym == NoSymbol)
+			    break;
 			}
 		      else
 			abort ();
-- 
2.39.2