Upgrade bundled readline to version 5.0.

cmd-line-utils/readline/INSTALL:
  Import readline-5.0
cmd-line-utils/readline/Makefile.am:
  Import readline-5.0
cmd-line-utils/readline/README:
  Import readline-5.0
cmd-line-utils/readline/bind.c:
  Import readline-5.0
cmd-line-utils/readline/callback.c:
  Import readline-5.0
cmd-line-utils/readline/chardefs.h:
  Import readline-5.0
cmd-line-utils/readline/complete.c:
  Import readline-5.0
cmd-line-utils/readline/configure.in:
  Import readline-5.0
cmd-line-utils/readline/display.c:
  Import readline-5.0
cmd-line-utils/readline/funmap.c:
  Import readline-5.0
cmd-line-utils/readline/histexpand.c:
  Import readline-5.0
cmd-line-utils/readline/histfile.c:
  Import readline-5.0
cmd-line-utils/readline/history.c:
  Import readline-5.0
cmd-line-utils/readline/history.h:
  Import readline-5.0
cmd-line-utils/readline/histsearch.c:
  Import readline-5.0
cmd-line-utils/readline/input.c:
  Import readline-5.0
cmd-line-utils/readline/isearch.c:
  Import readline-5.0
cmd-line-utils/readline/keymaps.c:
  Import readline-5.0
cmd-line-utils/readline/kill.c:
  Import readline-5.0
cmd-line-utils/readline/macro.c:
  Import readline-5.0
cmd-line-utils/readline/mbutil.c:
  Import readline-5.0
cmd-line-utils/readline/misc.c:
  Import readline-5.0
cmd-line-utils/readline/nls.c:
  Import readline-5.0
cmd-line-utils/readline/parens.c:
  Import readline-5.0
cmd-line-utils/readline/posixdir.h:
  Import readline-5.0
cmd-line-utils/readline/readline.c:
  Import readline-5.0
cmd-line-utils/readline/readline.h:
  Import readline-5.0
cmd-line-utils/readline/rldefs.h:
  Import readline-5.0
cmd-line-utils/readline/rlmbutil.h:
  Import readline-5.0
cmd-line-utils/readline/rlprivate.h:
  Import readline-5.0
cmd-line-utils/readline/rlstdc.h:
  Import readline-5.0
cmd-line-utils/readline/rltty.c:
  Import readline-5.0
cmd-line-utils/readline/rltty.h:
  Import readline-5.0
cmd-line-utils/readline/rltypedefs.h:
  Import readline-5.0
cmd-line-utils/readline/search.c:
  Import readline-5.0
cmd-line-utils/readline/shell.c:
  Import readline-5.0
cmd-line-utils/readline/signals.c:
  Import readline-5.0
cmd-line-utils/readline/terminal.c:
  Import readline-5.0
cmd-line-utils/readline/text.c:
  Import readline-5.0
cmd-line-utils/readline/tilde.c:
  Import readline-5.0
cmd-line-utils/readline/undo.c:
  Import readline-5.0
cmd-line-utils/readline/util.c:
  Import readline-5.0
cmd-line-utils/readline/vi_mode.c:
  Import readline-5.0
cmd-line-utils/readline/xmalloc.c:
  Import readline-5.0

1 files changed, 115 insertions, 41 deletions

diff --git a/cmd-line-utils/readline/bind.c b/cmd-line-utils/readline/bind.c
index 0e8efc5c636..15d0e4e3a65 100644
--- a/cmd-line-utils/readline/bind.c
+++ b/cmd-line-utils/readline/bind.c
@@ -19,9 +19,16 @@
    is generally kept in a file called COPYING or LICENSE.  If you do not
    have a copy of the license, write to the Free Software Foundation,
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (__TANDEM)
+#  include <floss.h>
+#endif
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 #include <sys/types.h>
@@ -146,6 +153,34 @@ rl_bind_key_in_map (key, function, map)
   return (result);
 }
 
+/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
+   now, this is always used to attempt to bind the arrow keys, hence the
+   check for rl_vi_movement_mode. */
+int
+rl_bind_key_if_unbound_in_map (key, default_func, kmap)
+     int key;
+     rl_command_func_t *default_func;
+     Keymap kmap;
+{
+  char keyseq[2];
+
+  keyseq[0] = (unsigned char)key;
+  keyseq[1] = '\0';
+  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap));
+}
+
+int
+rl_bind_key_if_unbound (key, default_func)
+     int key;
+     rl_command_func_t *default_func;
+{
+  char keyseq[2];
+
+  keyseq[0] = (unsigned char)key;
+  keyseq[1] = '\0';
+  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
+}
+
 /* Make KEY do nothing in the currently selected keymap.
    Returns non-zero in case of error. */
 int
@@ -198,9 +233,30 @@ rl_unbind_command_in_map (command, map)
 }
 
 /* Bind the key sequence represented by the string KEYSEQ to
+   FUNCTION, starting in the current keymap.  This makes new
+   keymaps as necessary. */
+int
+rl_bind_keyseq (keyseq, function)
+     const char *keyseq;
+     rl_command_func_t *function;
+{
+  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, _rl_keymap));
+}
+
+/* Bind the key sequence represented by the string KEYSEQ to
    FUNCTION.  This makes new keymaps as necessary.  The initial
    place to do bindings is in MAP. */
 int
+rl_bind_keyseq_in_map (keyseq, function, map)
+     const char *keyseq;
+     rl_command_func_t *function;
+     Keymap map;
+{
+  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
+}
+
+/* Backwards compatibility; equivalent to rl_bind_keyseq_in_map() */
+int
 rl_set_key (keyseq, function, map)
      const char *keyseq;
      rl_command_func_t *function;
@@ -209,6 +265,40 @@ rl_set_key (keyseq, function, map)
   return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
 }
 
+/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
+   now, this is always used to attempt to bind the arrow keys, hence the
+   check for rl_vi_movement_mode. */
+int
+rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap)
+     const char *keyseq;
+     rl_command_func_t *default_func;
+     Keymap kmap;
+{
+  rl_command_func_t *func;
+
+  if (keyseq)
+    {
+      func = rl_function_of_keyseq (keyseq, kmap, (int *)NULL);
+#if defined (VI_MODE)
+      if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode)
+#else
+      if (!func || func == rl_do_lowercase_version)
+#endif
+	return (rl_bind_keyseq_in_map (keyseq, default_func, kmap));
+      else
+	return 1;
+    }
+  return 0;
+}
+
+int
+rl_bind_keyseq_if_unbound (keyseq, default_func)
+     const char *keyseq;
+     rl_command_func_t *default_func;
+{
+  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
+}
+
 /* Bind the key sequence represented by the string KEYSEQ to
    the string of characters MACRO.  This makes new keymaps as
    necessary.  The initial place to do bindings is in MAP. */
@@ -346,7 +436,7 @@ rl_translate_keyseq (seq, array, len)
 {
   register int i, c, l, temp;
 
-  for (i = l = 0; (c = seq[i]); i++)
+  for (i = l = 0; c = seq[i]; i++)
     {
       if (c == '\\')
 	{
@@ -678,7 +768,7 @@ _rl_read_file (filename, sizep)
 /* Re-read the current keybindings file. */
 int
 rl_re_read_init_file (count, ignore)
-     int count __attribute__((unused)), ignore __attribute__((unused));
+     int count, ignore;
 {
   int r;
   r = rl_read_init_file ((const char *)NULL);
@@ -900,7 +990,7 @@ parser_if (args)
 /* Invert the current parser state if there is anything on the stack. */
 static int
 parser_else (args)
-     char *args __attribute__((unused));
+     char *args;
 {
   register int i;
 
@@ -910,9 +1000,15 @@ parser_else (args)
       return 0;
     }
 
+#if 0
   /* Check the previous (n - 1) levels of the stack to make sure that
      we haven't previously turned off parsing. */
   for (i = 0; i < if_stack_depth - 1; i++)
+#else
+  /* Check the previous (n) levels of the stack to make sure that
+     we haven't previously turned off parsing. */
+  for (i = 0; i < if_stack_depth; i++)
+#endif
     if (if_stack[i] == 1)
       return 0;
 
@@ -925,7 +1021,7 @@ parser_else (args)
    _rl_parsing_conditionalized_out from the stack. */
 static int
 parser_endif (args)
-     char *args __attribute__((unused));
+     char *args;
 {
   if (if_stack_depth)
     _rl_parsing_conditionalized_out = if_stack[--if_stack_depth];
@@ -1048,7 +1144,7 @@ rl_parse_and_bind (string)
     {
       int passc = 0;
 
-      for (i = 1; (c = string[i]); i++)
+      for (i = 1; c = string[i]; i++)
 	{
 	  if (passc)
 	    {
@@ -1124,7 +1220,7 @@ rl_parse_and_bind (string)
     {
       int delimiter = string[i++], passc;
 
-      for (passc = 0; (c = string[i]); i++)
+      for (passc = 0; c = string[i]; i++)
 	{
 	  if (passc)
 	    {
@@ -1159,7 +1255,7 @@ rl_parse_and_bind (string)
     }
 
   /* If this is a new-style key-binding, then do the binding with
-     rl_set_key ().  Otherwise, let the older code deal with it. */
+     rl_bind_keyseq ().  Otherwise, let the older code deal with it. */
   if (*string == '"')
     {
       char *seq;
@@ -1198,7 +1294,7 @@ rl_parse_and_bind (string)
 	  rl_macro_bind (seq, &funname[1], _rl_keymap);
 	}
       else
-	rl_set_key (seq, rl_named_function (funname), _rl_keymap);
+	rl_bind_keyseq (seq, rl_named_function (funname));
 
       free (seq);
       return 0;
@@ -1279,10 +1375,11 @@ static struct {
   { "prefer-visible-bell",	&_rl_prefer_visible_bell,	V_SPECIAL },
   { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 },
   { "show-all-if-ambiguous",	&_rl_complete_show_all,		0 },
+  { "show-all-if-unmodified",	&_rl_complete_show_unmodified,	0 },
 #if defined (VISIBLE_STATS)
   { "visible-stats",		&rl_visible_stats,		0 },
 #endif /* VISIBLE_STATS */
-  { (char *)NULL, (int *)NULL, 0 }
+  { (char *)NULL, (int *)NULL }
 };
 
 static int
@@ -1351,7 +1448,7 @@ static struct {
   { "editing-mode",	V_STRING,	sv_editmode },
   { "isearch-terminators", V_STRING,	sv_isrchterm },
   { "keymap",		V_STRING,	sv_keymap },
-  { (char *)NULL,	0, 0 }
+  { (char *)NULL,	0 }
 };
 
 static int
@@ -1626,8 +1723,7 @@ rl_set_keymap_from_edit_mode ()
 #endif /* VI_MODE */
 }
 
-
-const char *
+char *
 rl_get_keymap_name_from_edit_mode ()
 {
   if (rl_editing_mode == emacs_mode)
@@ -1637,7 +1733,7 @@ rl_get_keymap_name_from_edit_mode ()
     return "vi";
 #endif /* VI_MODE */
   else
-    return "nope";
+    return "none";
 }
 
 /* **************************************************************** */
@@ -1649,7 +1745,7 @@ rl_get_keymap_name_from_edit_mode ()
 /* Each of the following functions produces information about the
    state of keybindings and functions known to Readline.  The info
    is always printed to rl_outstream, and in such a way that it can
-   be read back in (i.e., passed to rl_parse_and_bind (). */
+   be read back in (i.e., passed to rl_parse_and_bind ()). */
 
 /* Print the names of functions known to Readline. */
 void
@@ -1872,7 +1968,7 @@ rl_function_dumper (print_readably)
 
   fprintf (rl_outstream, "\n");
 
-  for (i = 0; (name = names[i]); i++)
+  for (i = 0; name = names[i]; i++)
     {
       rl_command_func_t *function;
       char **invokers;
@@ -1932,7 +2028,7 @@ rl_function_dumper (print_readably)
    the output in such a way that it can be read back in. */
 int
 rl_dump_functions (count, key)
-     int count __attribute__((unused)), key __attribute__((unused));
+     int count, key;
 {
   if (rl_dispatching)
     fprintf (rl_outstream, "\r\n");
@@ -2012,7 +2108,7 @@ rl_macro_dumper (print_readably)
 
 int
 rl_dump_macros (count, key)
-     int count __attribute__((unused)), key __attribute__((unused));
+     int count, key;
 {
   if (rl_dispatching)
     fprintf (rl_outstream, "\r\n");
@@ -2102,7 +2198,7 @@ rl_variable_dumper (print_readably)
    the output in such a way that it can be read back in. */
 int
 rl_dump_variables (count, key)
-     int count __attribute__((unused)), key __attribute__((unused));
+     int count, key;
 {
   if (rl_dispatching)
     fprintf (rl_outstream, "\r\n");
@@ -2111,28 +2207,6 @@ rl_dump_variables (count, key)
   return (0);
 }
 
-/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
-   now, this is always used to attempt to bind the arrow keys, hence the
-   check for rl_vi_movement_mode. */
-void
-_rl_bind_if_unbound (keyseq, default_func)
-     const char *keyseq;
-     rl_command_func_t *default_func;
-{
-  rl_command_func_t *func;
-
-  if (keyseq)
-    {
-      func = rl_function_of_keyseq (keyseq, _rl_keymap, (int *)NULL);
-#if defined (VI_MODE)
-      if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode)
-#else
-      if (!func || func == rl_do_lowercase_version)
-#endif
-	rl_set_key (keyseq, default_func, _rl_keymap);
-    }
-}
-
 /* Return non-zero if any members of ARRAY are a substring in STRING. */
 static int
 substring_member_of_array (string, array)