Import of readline 4.3.

Non-readline modified files:

src/gdb/ChangeLog src/gdb/defs.h src/gdb/cli/cli-cmds.c
src/gdb/cli/cli-setshow.c src/gdb/tui/ChangeLog
src/gdb/tui/tuiWin.c

In readline directory:

        * compat.c, mbutil.c, misc.c, rlmbutil.h, rltypedefs.h,
        text.c, doc/history.0, doc/history.3, support/wcwidth.c,
        examples/readlinebuf.h, examples/rlcat.c: New files.

        * CHANGELOG, CHANGES, INSTALL,  MANIFEST, Makefile.in, README,
        aclocal.m4, ansi_stdlib.h, bind.c, callback.c, chardefs.h,
        complete.c, config.h.in, configure, configure.in, display.c,
        emacs_keymap.c, funmap.c, histexpand.c, histfile.c, histlib.h,
        history.c, history.h, histsearch.c, input.c, isearch.c,
        keymaps.c, keymaps.h, kill.c, macro.c, nls.c, parens.c,
        posixdir.h, readline.c, readline.h, rlconf.h, rldefs.h,
        rlprivate.h, rlshell.h, rlstdc.h, rltty.c, savestring.c,
        search.c, shell.c, signals.c, terminal.c, tilde.c, tilde.h,
        undo.c, util.c, vi_keymap.c, vi_mode.c, xmalloc.c, xmalloc.h,
        doc/Makefile.in, doc/hist.texinfo, doc/hstech.texinfo,
        doc/hsuser.texinfo, doc/manvers.texinfo, doc/readline.3,
        doc/rlman.texinfo, doc/rltech.texinfo, doc/rluser.texinfo
        doc/rluserman.texinfo, doc/texi2dvi, doc/texi2html,
        shlib/Makefile.in, support/install.sh, support/mkdirs,
        support/mkdist, support/shlib-install, support/shobj-conf,
        examples/Inputrc, examples/Makefile.in, examples/fileman.c,
        examples/histexamp.c, examples/manexamp.c, examples/rl.c,
        examples/rlfe.c, examples/rltest.c, examples/rlversion.c:
        Modified files.

readline/rldefs.h

@@ -30,6 +30,8 @@
 #  include "config.h"
 #endif
 
+#include "rlstdc.h"
+
 #if defined (_POSIX_VERSION) && !defined (TERMIOS_MISSING)
 #  define TERMIOS_TTY_DRIVER
 #else
@@ -71,7 +73,14 @@ extern char *strchr (), *strrchr ();
 #define _rl_stricmp strcasecmp
 #define _rl_strnicmp strncasecmp
 #else
-extern int _rl_stricmp (), _rl_strnicmp ();
+extern int _rl_stricmp PARAMS((char *, char *));
+extern int _rl_strnicmp PARAMS((char *, char *, int));
+#endif
+
+#if defined (HAVE_STRPBRK)
+#  define _rl_strpbrk(a,b)	strpbrk((a),(b))
+#else
+extern char *_rl_strpbrk PARAMS((const char *, const char *));
 #endif
 
 #if !defined (emacs_mode)
@@ -80,6 +89,13 @@ extern int _rl_stricmp (), _rl_strnicmp ();
 #  define emacs_mode 1
 #endif
 
+#if !defined (RL_IM_INSERT)
+#  define RL_IM_INSERT		1
+#  define RL_IM_OVERWRITE	0
+#
+#  define RL_IM_DEFAULT		RL_IM_INSERT
+#endif
+
 /* If you cast map[key].function to type (Keymap) on a Cray,
    the compiler takes the value of map[key].function and
    divides it by 4 to convert between pointer types (pointers
@@ -87,15 +103,14 @@ extern int _rl_stricmp (), _rl_strnicmp ();
    This is not what is wanted. */
 #if defined (CRAY)
 #  define FUNCTION_TO_KEYMAP(map, key)	(Keymap)((int)map[key].function)
-#  define KEYMAP_TO_FUNCTION(data)	(Function *)((int)(data))
+#  define KEYMAP_TO_FUNCTION(data)	(rl_command_func_t *)((int)(data))
 #else
 #  define FUNCTION_TO_KEYMAP(map, key)	(Keymap)(map[key].function)
-#  define KEYMAP_TO_FUNCTION(data)	(Function *)(data)
+#  define KEYMAP_TO_FUNCTION(data)	(rl_command_func_t *)(data)
 #endif
 
 #ifndef savestring
-extern char *xmalloc ();
-#define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))
+#define savestring(x) strcpy ((char *)xmalloc (1 + strlen (x)), (x))
 #endif
 
 /* Possible values for _rl_bell_preference. */
@@ -113,9 +128,10 @@ extern char *xmalloc ();
 /* Possible values for the found_quote flags word used by the completion
    functions.  It says what kind of (shell-like) quoting we found anywhere
    in the line. */
-#define RL_QF_SINGLE_QUOTE	0x1
-#define RL_QF_DOUBLE_QUOTE	0x2
-#define RL_QF_BACKSLASH		0x4
+#define RL_QF_SINGLE_QUOTE	0x01
+#define RL_QF_DOUBLE_QUOTE	0x02
+#define RL_QF_BACKSLASH		0x04
+#define RL_QF_OTHER_QUOTE	0x08
 
 /* Default readline line buffer length. */
 #define DEFAULT_BUFFER_SIZE 256
@@ -130,6 +146,10 @@ extern char *xmalloc ();
 #  define FREE(x)	if (x) free (x)
 #endif
 
+#if !defined (SWAP)
+#  define SWAP(s, e)  do { int t; t = s; s = e; e = t; } while (0)
+#endif
+
 /* CONFIGURATION SECTION */
 #include "rlconf.h"