--- procps-3.2.5/top.c.rc	2005-06-28 22:36:24.000000000 +0200
+++ procps-3.2.5/top.c.rc	2005-06-28 22:40:27.000000000 +0200
@@ -2393,7 +2393,10 @@ 
    int i;
 
    for (i = 0; i < GROUPSMAX; i++) {
-      win_names(&Winstk[i], Winstk[i].rc.winname);
+      /* Please, never use something like sprintf(x, "%s", x); ... see win_names() */
+      char buf[WINNAMSIZ];
+      strncpy(buf, Winstk[i].rc.winname, WINNAMSIZ);
+      win_names(&Winstk[i], buf);
       capsmk(&Winstk[i]);
    }
    // rely on this next guy to force a call (eventually) to reframewins