silence some compiler warnings about readline dead code

[Eric Blake]

Noticed this while fixing compiler warnings for readline on cygwin:

diff --git i/lib/readline/readline.c w/lib/readline/readline.c
index abb29a0..9bb552f 100644
--- i/lib/readline/readline.c
+++ w/lib/readline/readline.c
@@ -1,7 +1,7 @@
 /* readline.c -- a general facility for reading lines of input
    with emacs style editing and completion. */

-/* Copyright (C) 1987-2013 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2013, 2015 Free Software Foundation, Inc.

    This file is part of the GNU Readline Library (Readline), a library
    for reading lines of text with interactive input and history
editing.
@@ -95,7 +95,6 @@ static void bind_arrow_keys_internal PARAMS((Keymap));
 static void bind_arrow_keys PARAMS((void));

 static void readline_default_bindings PARAMS((void));
-static void reset_default_bindings PARAMS((void));

 static int _rl_subseq_result PARAMS((int, Keymap, int, int));
 static int _rl_subseq_getchar PARAMS((int));
@@ -522,13 +521,16 @@ readline_internal_char ()
 readline_internal_charloop ()
 #endif
 {
-  static int lastc, eof_found;
+#ifndef READLINE_CALLBACKS
+  static int eof_found;
+#endif
+  static int lastc;
   int c, code, lk;

   lastc = -1;
-  eof_found = 0;

 #if !defined (READLINE_CALLBACKS)
+  eof_found = 0;
   while (rl_done == 0)
     {
 #endif
@@ -1204,18 +1206,6 @@ readline_default_bindings ()
     rl_tty_set_default_bindings (_rl_keymap);
 }

-/* Reset the default bindings for the terminal special characters we're
-   interested in back to rl_insert and read the new ones. */
-static void
-reset_default_bindings ()
-{
-  if (_rl_bind_stty_chars)
-    {
-      rl_tty_unset_default_bindings (_rl_keymap);
-      rl_tty_set_default_bindings (_rl_keymap);
-    }
-}
-
 /* Bind some common arrow key sequences in MAP. */
 static void
 bind_arrow_keys_internal (map)

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

signature.asc
Description: OpenPGP digital signature