Update readline to version 5.2. This fixes bug#18431.

cmd-line-utils/readline/INSTALL:
  update readline to version 5.2
cmd-line-utils/readline/README:
  update readline to version 5.2
cmd-line-utils/readline/bind.c:
  update readline to version 5.2
cmd-line-utils/readline/callback.c:
  update readline to version 5.2
cmd-line-utils/readline/chardefs.h:
  update readline to version 5.2
cmd-line-utils/readline/compat.c:
  update readline to version 5.2
cmd-line-utils/readline/complete.c:
  update readline to version 5.2
cmd-line-utils/readline/configure.in:
  update readline to version 5.2
cmd-line-utils/readline/display.c:
  update readline to version 5.2
cmd-line-utils/readline/funmap.c:
  update readline to version 5.2
cmd-line-utils/readline/histexpand.c:
  update readline to version 5.2
cmd-line-utils/readline/histfile.c:
  update readline to version 5.2
cmd-line-utils/readline/history.c:
  update readline to version 5.2
cmd-line-utils/readline/histsearch.c:
  update readline to version 5.2
cmd-line-utils/readline/input.c:
  update readline to version 5.2
cmd-line-utils/readline/isearch.c:
  update readline to version 5.2
cmd-line-utils/readline/keymaps.c:
  update readline to version 5.2
cmd-line-utils/readline/kill.c:
  update readline to version 5.2
cmd-line-utils/readline/macro.c:
  update readline to version 5.2
cmd-line-utils/readline/mbutil.c:
  update readline to version 5.2
cmd-line-utils/readline/misc.c:
  update readline to version 5.2
cmd-line-utils/readline/nls.c:
  update readline to version 5.2
cmd-line-utils/readline/parens.c:
  update readline to version 5.2
cmd-line-utils/readline/readline.c:
  update readline to version 5.2
cmd-line-utils/readline/readline.h:
  update readline to version 5.2
cmd-line-utils/readline/rlconf.h:
  update readline to version 5.2
cmd-line-utils/readline/rldefs.h:
  update readline to version 5.2
cmd-line-utils/readline/rlmbutil.h:
  update readline to version 5.2
cmd-line-utils/readline/rlprivate.h:
  update readline to version 5.2
cmd-line-utils/readline/rltty.c:
  update readline to version 5.2
cmd-line-utils/readline/savestring.c:
  update readline to version 5.2
cmd-line-utils/readline/search.c:
  update readline to version 5.2
cmd-line-utils/readline/shell.c:
  update readline to version 5.2
cmd-line-utils/readline/signals.c:
  update readline to version 5.2
cmd-line-utils/readline/terminal.c:
  update readline to version 5.2
cmd-line-utils/readline/text.c:
  update readline to version 5.2
cmd-line-utils/readline/tilde.c:
  update readline to version 5.2
cmd-line-utils/readline/tilde.h:
  update readline to version 5.2
cmd-line-utils/readline/undo.c:
  update readline to version 5.2
cmd-line-utils/readline/util.c:
  update readline to version 5.2
cmd-line-utils/readline/vi_keymap.c:
  update readline to version 5.2
cmd-line-utils/readline/vi_mode.c:
  update readline to version 5.2
cmd-line-utils/readline/xmalloc.c:
  update readline to version 5.2

1 files changed, 35 insertions, 10 deletions

diff --git a/cmd-line-utils/readline/input.c b/cmd-line-utils/readline/input.c
index 818f2e8763d..da5d771c481 100644
--- a/cmd-line-utils/readline/input.c
+++ b/cmd-line-utils/readline/input.c
@@ -1,6 +1,6 @@
 /* input.c -- character input functions for readline. */
 
-/* Copyright (C) 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -25,7 +25,9 @@
 #  include <floss.h>
 #endif
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 #include <fcntl.h>
@@ -177,6 +179,7 @@ rl_gather_tyi ()
   struct timeval timeout;
 #endif
 
+  chars_avail = 0;
   tty = fileno (rl_instream);
 
 #if defined (HAVE_SELECT)
@@ -218,6 +221,13 @@ rl_gather_tyi ()
     }
 #endif /* O_NDELAY */
 
+#if defined (__MINGW32__)
+  /* Use getch/_kbhit to check for available console input, in the same way
+     that we read it normally. */
+   chars_avail = isatty (tty) ? _kbhit () : 0;
+   result = 0;
+#endif
+
   /* If there's nothing available, don't waste time trying to read
      something. */
   if (chars_avail <= 0)
@@ -261,7 +271,7 @@ rl_set_keyboard_input_timeout (u)
   int o;
 
   o = _keyboard_input_timeout;
-  if (u > 0)
+  if (u >= 0)
     _keyboard_input_timeout = u;
   return (o);
 }
@@ -303,6 +313,11 @@ _rl_input_available ()
 
 #endif
 
+#if defined (__MINGW32__)
+  if (isatty (tty))
+    return (_kbhit ());
+#endif
+
   return 0;
 }
 
@@ -405,7 +420,7 @@ rl_read_key ()
   else
     {
       /* If input is coming from a macro, then use that. */
-      if ((c= _rl_next_macro_key ()))
+      if (c = _rl_next_macro_key ())
 	return (c);
 
       /* If the user has an event function, then call it periodically. */
@@ -442,6 +457,10 @@ rl_getc (stream)
 
   while (1)
     {
+#if defined (__MINGW32__)
+      if (isatty (fileno (stream)))
+	return (getch ());
+#endif
       result = read (fileno (stream), &c, sizeof (unsigned char));
 
       if (result == sizeof (unsigned char))
@@ -483,7 +502,7 @@ rl_getc (stream)
 	 this is simply an interrupted system call to read ().
 	 Otherwise, some error ocurred, also signifying EOF. */
       if (errno != EINTR)
-	return (EOF);
+	return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
     }
 }
 
@@ -517,6 +536,12 @@ _rl_read_mbchar (mbchar, size)
 	  ps = ps_back;
 	  continue;
 	} 
+      else if (mbchar_bytes_length == 0)
+	{
+	  mbchar[0] = '\0';	/* null wide character */
+	  mb_len = 1;
+	  break;
+	}
       else if (mbchar_bytes_length > (size_t)(0))
 	break;
     }
@@ -525,21 +550,21 @@ _rl_read_mbchar (mbchar, size)
 }
 
 /* Read a multibyte-character string whose first character is FIRST into
-   the buffer MB of length MBLEN.  Returns the last character read, which
+   the buffer MB of length MLEN.  Returns the last character read, which
    may be FIRST.  Used by the search functions, among others.  Very similar
    to _rl_read_mbchar. */
 int
-_rl_read_mbstring (first, mb, mb_len)
+_rl_read_mbstring (first, mb, mlen)
      int first;
      char *mb;
-     int mb_len;
+     int mlen;
 {
   int i, c;
   mbstate_t ps;
 
   c = first;
-  memset (mb, 0, mb_len);
-  for (i = 0; i < mb_len; i++)
+  memset (mb, 0, mlen);
+  for (i = 0; i < mlen; i++)
     {
       mb[i] = (char)c;
       memset (&ps, 0, sizeof (mbstate_t));