20 files changed, 82 insertions, 64 deletions

diff --git a/cmd-line-utils/libedit/common.c b/cmd-line-utils/libedit/common.c
index d4d024eae10..ba5890fa606 100644
--- a/cmd-line-utils/libedit/common.c
+++ b/cmd-line-utils/libedit/common.c
@@ -136,7 +136,7 @@ ed_delete_prev_word(EditLine *el, int c __attribute__((__unused__)))
  */
 protected el_action_t
 /*ARGSUSED*/
-ed_delete_next_char(EditLine *el, int c)
+ed_delete_next_char(EditLine *el, int c __attribute__((__unused__)))
 {
 #ifdef notdef			/* XXX */
 #define	EL	el->el_line
@@ -431,7 +431,8 @@ ed_argument_digit(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-ed_unassigned(EditLine *el, int c __attribute__((__unused__)))
+ed_unassigned(EditLine *el __attribute__((__unused__)),
+	      int c __attribute__((__unused__)))
 {
 
 	return (CC_ERROR);
diff --git a/cmd-line-utils/libedit/filecomplete.c b/cmd-line-utils/libedit/filecomplete.c
index 4c63f57bc45..05bd10e9f9e 100644
--- a/cmd-line-utils/libedit/filecomplete.c
+++ b/cmd-line-utils/libedit/filecomplete.c
@@ -95,10 +95,9 @@ static char break_chars[] = { ' ', '\t', '\n', '"', '\\', '\'', '`', '@', '$',
 char *
 fn_tilde_expand(const char *txt)
 {
-	struct passwd pwres, *pass;
+	struct passwd *pass;
 	char *temp;
 	size_t len = 0;
-	char pwbuf[1024];
 
 	if (txt[0] != '~')
 		return (strdup(txt));
diff --git a/cmd-line-utils/libedit/readline.c b/cmd-line-utils/libedit/readline.c
index 1f1b18c97d8..0318ab409b3 100644
--- a/cmd-line-utils/libedit/readline.c
+++ b/cmd-line-utils/libedit/readline.c
@@ -202,7 +202,7 @@ _move_history(int op)
  */
 static int
 /*ARGSUSED*/
-_getc_function(EditLine *el, char *c)
+_getc_function(EditLine *el __attribute__((__unused__)), char *c)
 {
 	int i;
 
@@ -1613,7 +1613,8 @@ rl_insert(int count, int c)
 
 /*ARGSUSED*/
 int
-rl_newline(int count, int c)
+rl_newline(int count __attribute__((__unused__)),
+	   int c __attribute__((__unused__)))
 {
 	/*
 	 * Readline-4.0 appears to ignore the args.
@@ -1623,7 +1624,7 @@ rl_newline(int count, int c)
 
 /*ARGSUSED*/
 static unsigned char
-rl_bind_wrapper(EditLine *el, unsigned char c)
+rl_bind_wrapper(EditLine *el __attribute__((__unused__)), unsigned char c)
 {
 	if (map[c] == NULL)
 	    return CC_ERROR;
@@ -1718,7 +1719,7 @@ rl_get_previous_history(int count, int key)
 
 void
 /*ARGSUSED*/
-rl_prep_terminal(int meta_flag)
+rl_prep_terminal(int meta_flag __attribute__((__unused__)))
 {
 	el_set(e, EL_PREP_TERM, 1);
 }
@@ -1922,7 +1923,8 @@ _rl_qsort_string_compare(char **s1, char **s2)
 
 int
 /*ARGSUSED*/
-rl_kill_text(int from, int to)
+rl_kill_text(int from __attribute__((__unused__)),
+	     int to __attribute__((__unused__)))
 {
 	return 0;
 }
@@ -1941,20 +1943,25 @@ rl_get_keymap(void)
 
 void
 /*ARGSUSED*/
-rl_set_keymap(Keymap k)
+rl_set_keymap(Keymap k __attribute__((__unused__)))
 {
 }
 
 int
 /*ARGSUSED*/
-rl_generic_bind(int type, const char * keyseq, const char * data, Keymap k)
+rl_generic_bind(int type __attribute__((__unused__)),
+		const char * keyseq __attribute__((__unused__)),
+		const char * data __attribute__((__unused__)),
+		Keymap k __attribute__((__unused__)))
 {
 	return 0;
 }
 
 int
 /*ARGSUSED*/
-rl_bind_key_in_map(int key, Function *fun, Keymap k)
+rl_bind_key_in_map(int key __attribute__((__unused__)),
+		   Function *fun __attribute__((__unused__)),
+		   Keymap k __attribute__((__unused__)))
 {
 	return 0;
 }
diff --git a/cmd-line-utils/libedit/vi.c b/cmd-line-utils/libedit/vi.c
index 00a9f493a9b..d628f076a1d 100644
--- a/cmd-line-utils/libedit/vi.c
+++ b/cmd-line-utils/libedit/vi.c
@@ -145,7 +145,7 @@ vi_paste_prev(EditLine *el, int c __attribute__((__unused__)))
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_prev_big_word(EditLine *el, int c)
+vi_prev_big_word(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	if (el->el_line.cursor == el->el_line.buffer)
@@ -195,7 +195,7 @@ vi_prev_word(EditLine *el, int c __attribute__((__unused__)))
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_next_big_word(EditLine *el, int c)
+vi_next_big_word(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	if (el->el_line.cursor >= el->el_line.lastchar - 1)
@@ -462,7 +462,7 @@ vi_delete_meta(EditLine *el, int c __attribute__((__unused__)))
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_end_big_word(EditLine *el, int c)
+vi_end_big_word(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	if (el->el_line.cursor == el->el_line.lastchar)
@@ -797,7 +797,7 @@ vi_repeat_prev_char(EditLine *el, int c __attribute__((__unused__)))
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_match(EditLine *el, int c)
+vi_match(EditLine *el, int c __attribute__((__unused__)))
 {
 	const char match_chars[] = "()[]{}";
 	char *cp;
@@ -844,7 +844,7 @@ vi_match(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_undo_line(EditLine *el, int c)
+vi_undo_line(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	cv_undo(el);
@@ -858,7 +858,7 @@ vi_undo_line(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_to_column(EditLine *el, int c)
+vi_to_column(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	el->el_line.cursor = el->el_line.buffer;
@@ -872,7 +872,7 @@ vi_to_column(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_yank_end(EditLine *el, int c)
+vi_yank_end(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	cv_yank(el, el->el_line.cursor,
@@ -886,7 +886,7 @@ vi_yank_end(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_yank(EditLine *el, int c)
+vi_yank(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	return cv_action(el, YANK);
@@ -898,7 +898,7 @@ vi_yank(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_comment_out(EditLine *el, int c)
+vi_comment_out(EditLine *el, int c __attribute__((__unused__)))
 {
 
 	el->el_line.cursor = el->el_line.buffer;
@@ -919,7 +919,8 @@ extern char *get_alias_text(const char *) __weak_reference(get_alias_text);
 #endif
 protected el_action_t
 /*ARGSUSED*/
-vi_alias(EditLine *el, int c)
+vi_alias(EditLine *el __attribute__((__unused__)),
+	 int c __attribute__((__unused__)))
 {
 #if defined(__weak_reference) && !defined(__FreeBSD__)
 	char alias_name[3];
@@ -949,7 +950,7 @@ vi_alias(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_to_history_line(EditLine *el, int c)
+vi_to_history_line(EditLine *el, int c __attribute__((__unused__)))
 {
 	int sv_event_no = el->el_history.eventno;
 	el_action_t rval;
@@ -994,7 +995,7 @@ vi_to_history_line(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_histedit(EditLine *el, int c)
+vi_histedit(EditLine *el, int c __attribute__((__unused__)))
 {
 	int fd;
 	pid_t pid;
@@ -1050,7 +1051,7 @@ vi_histedit(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_history_word(EditLine *el, int c)
+vi_history_word(EditLine *el, int c __attribute__((__unused__)))
 {
 	const char *wp = HIST_FIRST(el);
 	const char *wep, *wsp;
@@ -1099,7 +1100,7 @@ vi_history_word(EditLine *el, int c)
  */
 protected el_action_t
 /*ARGSUSED*/
-vi_redo(EditLine *el, int c)
+vi_redo(EditLine *el, int c __attribute__((__unused__)))
 {
 	c_redo_t *r = &el->el_chared.c_redo;
 
diff --git a/cmd-line-utils/readline/Makefile.am b/cmd-line-utils/readline/Makefile.am
index f5e41b7e2e9..e1e9645e238 100644
--- a/cmd-line-utils/readline/Makefile.am
+++ b/cmd-line-utils/readline/Makefile.am
@@ -20,18 +20,18 @@ libreadline_a_SOURCES =	readline.c funmap.c keymaps.c \
 			shell.c tilde.c misc.c text.c mbutil.c \
 			compat.c savestring.c
 
-pkginclude_HEADERS =	readline.h chardefs.h keymaps.h \
+noinst_HEADERS =	readline.h chardefs.h keymaps.h \
 			history.h tilde.h rlmbutil.h rltypedefs.h rlprivate.h \
-			rlshell.h xmalloc.h
-
-noinst_HEADERS =	config_readline.h rldefs.h histlib.h rlwinsize.h \
+			rlshell.h xmalloc.h \
+\
+			config_readline.h rldefs.h histlib.h rlwinsize.h \
 			posixstat.h posixdir.h posixjmp.h \
 			tilde.h rlconf.h rltty.h ansi_stdlib.h \
 			tcap.h rlstdc.h
 
 EXTRA_DIST=		emacs_keymap.c vi_keymap.c
 
-DEFS =			-DUNDEF_THREADS_HACK -DHAVE_CONFIG_H -DNO_KILL_INTR
+DEFS =			-DMYSQL_CLIENT_NO_THREADS -DHAVE_CONFIG_H -DNO_KILL_INTR -D_GNU_SOURCE=1
 
 # Don't update the files from bitkeeper
 %::SCCS/s.%
diff --git a/cmd-line-utils/readline/bind.c b/cmd-line-utils/readline/bind.c
index 85f6b432bf8..0ea8b1ca126 100644
--- a/cmd-line-utils/readline/bind.c
+++ b/cmd-line-utils/readline/bind.c
@@ -699,7 +699,7 @@ rl_function_of_keyseq (keyseq, map, type)
     {
       unsigned char ic = keyseq[i];
 
-      if (META_BYTE (ic) && _rl_convert_meta_chars_to_ascii)
+      if (META_CHAR_FOR_UCHAR (ic) && _rl_convert_meta_chars_to_ascii)
 	{
 	  if (map[ESC].type == ISKMAP)
 	    {
@@ -855,7 +855,7 @@ _rl_read_init_file (filename, include_level)
 {
   register int i;
   char *buffer, *openname, *line, *end;
-  size_t file_size;
+  size_t file_size = 0;
 
   current_readline_init_file = filename;
   current_readline_init_include_level = include_level;
diff --git a/cmd-line-utils/readline/chardefs.h b/cmd-line-utils/readline/chardefs.h
index 36fe7fdd7ac..0787d9943bb 100644
--- a/cmd-line-utils/readline/chardefs.h
+++ b/cmd-line-utils/readline/chardefs.h
@@ -59,8 +59,8 @@
 #define largest_char 255		    /* Largest character value. */
 
 #define CTRL_CHAR(c) ((c) < control_character_threshold && (((c) & 0x80) == 0))
-#define META_BYTE(c) ((c) > meta_character_threshold)
-#define META_CHAR(c) (META_BYTE(c) && (c) <= largest_char)
+#define META_CHAR_FOR_UCHAR(c) ((c) > meta_character_threshold)
+#define META_CHAR(c) (META_CHAR_FOR_UCHAR(c) && (c) <= largest_char)
 
 #define CTRL(c) ((c) & control_character_mask)
 #define META(c) ((c) | meta_character_bit)
diff --git a/cmd-line-utils/readline/complete.c b/cmd-line-utils/readline/complete.c
index 97423507d5b..d11ea2493a6 100644
--- a/cmd-line-utils/readline/complete.c
+++ b/cmd-line-utils/readline/complete.c
@@ -27,7 +27,8 @@
 
 #include <sys/types.h>
 #include <fcntl.h>
-#if defined (HAVE_SYS_FILE_H)
+/* FreeBSD 5.3 will not declare u_int in sys/types.h, file.h needs it */
+#if defined (HAVE_SYS_FILE_H) && !defined(__FreeBSD__)
 #  include <sys/file.h>
 #endif
 
@@ -1838,8 +1839,11 @@ rl_username_completion_function (text, state)
 #else /* !__WIN32__ && !__OPENNT) */
   static char *username = (char *)NULL;
   static struct passwd *entry;
-  static int namelen, first_char, first_char_loc;
+  static int first_char, first_char_loc;
   char *value;
+#if defined (HAVE_GETPWENT)
+  static int namelen;
+#endif
 
   if (state == 0)
     {
@@ -1849,7 +1853,9 @@ rl_username_completion_function (text, state)
       first_char_loc = first_char == '~';
 
       username = savestring (&text[first_char_loc]);
+#if defined (HAVE_GETPWENT)
       namelen = strlen (username);
+#endif
       setpwent ();
     }
 
diff --git a/cmd-line-utils/readline/display.c b/cmd-line-utils/readline/display.c
index fa5b67a8e69..4a9dd466b2f 100644
--- a/cmd-line-utils/readline/display.c
+++ b/cmd-line-utils/readline/display.c
@@ -465,10 +465,10 @@ rl_redisplay ()
   int newlines, lpos, temp, modmark;
   const char *prompt_this_line;
 #if defined (HANDLE_MULTIBYTE)
-  int num, n0;
+  int num, n0= 0;
   wchar_t wc;
   size_t wc_bytes;
-  int wc_width;
+  int wc_width= 0;
   mbstate_t ps;
   int _rl_wrapped_multicolumn = 0;
 #endif
@@ -828,7 +828,7 @@ rl_redisplay ()
 		  cpos_buffer_position = out;
 		  lb_linenum = newlines;
 		}
-	      for (i = in; i < in+wc_bytes; i++)
+	      for (i = in; i < in+(int)wc_bytes; i++)
 		line[out++] = rl_line_buffer[i];
 	      for (i = 0; i < wc_width; i++)
 		CHECK_LPOS();
@@ -1893,7 +1893,7 @@ rl_character_len (c, pos)
 
   uc = (unsigned char)c;
 
-  if (META_BYTE (uc))
+  if (META_CHAR_FOR_UCHAR (uc))
     return ((_rl_output_meta_chars == 0) ? 4 : 1);
 
   if (uc == '\t')
diff --git a/cmd-line-utils/readline/histexpand.c b/cmd-line-utils/readline/histexpand.c
index ab8d8ecc866..7b51c369827 100644
--- a/cmd-line-utils/readline/histexpand.c
+++ b/cmd-line-utils/readline/histexpand.c
@@ -693,7 +693,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
 	case 's':
 	  {
 	    char *new_event;
-	    int delimiter, failed, si, l_temp, ws, we;
+	    int delimiter, failed, si, l_temp, we;
 
 	    if (c == 's')
 	      {
@@ -792,7 +792,6 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
 		  {
 		    for (; temp[si] && whitespace (temp[si]); si++)
 		      ;
-		    ws = si;
 		    we = history_tokenize_word (temp, si);
 		  }
 
diff --git a/cmd-line-utils/readline/histfile.c b/cmd-line-utils/readline/histfile.c
index cbd367542ce..1a6d69b6684 100644
--- a/cmd-line-utils/readline/histfile.c
+++ b/cmd-line-utils/readline/histfile.c
@@ -402,6 +402,7 @@ history_truncate_file (fname, lines)
   if (bp > buffer && ((file = open (filename, O_WRONLY|O_TRUNC|O_BINARY, 0600)) != -1))
     {
       bytes_written= write (file, bp, chars_read - (bp - buffer));
+      (void) bytes_written;
 
 #if defined (__BEOS__)
       /* BeOS ignores O_TRUNC. */
diff --git a/cmd-line-utils/readline/input.c b/cmd-line-utils/readline/input.c
index 84c0422059a..af81d9cd3b0 100644
--- a/cmd-line-utils/readline/input.c
+++ b/cmd-line-utils/readline/input.c
@@ -318,7 +318,9 @@ _rl_input_available ()
     return (_kbhit ());
 #endif
 
+#if !defined (HAVE_SELECT)
   return 0;
+#endif
 }
 
 int
diff --git a/cmd-line-utils/readline/isearch.c b/cmd-line-utils/readline/isearch.c
index 305c847d8da..977e08eb9ba 100644
--- a/cmd-line-utils/readline/isearch.c
+++ b/cmd-line-utils/readline/isearch.c
@@ -617,7 +617,7 @@ rl_search_history (direction, invoking_key)
      int direction, invoking_key __attribute__((unused));
 {
   _rl_search_cxt *cxt;		/* local for now, but saved globally */
-  int c, r;
+  int r;
 
   RL_SETSTATE(RL_STATE_ISEARCH);
   cxt = _rl_isearch_init (direction);
@@ -632,7 +632,7 @@ rl_search_history (direction, invoking_key)
   r = -1;
   for (;;)
     {
-      c = _rl_search_getchar (cxt);
+      _rl_search_getchar (cxt);
       /* We might want to handle EOF here (c == 0) */
       r = _rl_isearch_dispatch (cxt, cxt->lastc);
       if (r <= 0)
@@ -655,9 +655,9 @@ int
 _rl_isearch_callback (cxt)
      _rl_search_cxt *cxt;
 {
-  int c, r;
+  int r;
 
-  c = _rl_search_getchar (cxt);
+  _rl_search_getchar (cxt);
   /* We might want to handle EOF here */
   r = _rl_isearch_dispatch (cxt, cxt->lastc);
 
diff --git a/cmd-line-utils/readline/parens.c b/cmd-line-utils/readline/parens.c
index fe1578ed3e2..58f22291172 100644
--- a/cmd-line-utils/readline/parens.c
+++ b/cmd-line-utils/readline/parens.c
@@ -115,7 +115,7 @@ rl_insert_close (count, invoking_key)
   else
     {
 #if defined (HAVE_SELECT)
-      int orig_point, match_point, ready;
+      int orig_point, match_point;
       struct timeval timer;
       fd_set readfds;
 
@@ -136,7 +136,7 @@ rl_insert_close (count, invoking_key)
       orig_point = rl_point;
       rl_point = match_point;
       (*rl_redisplay_function) ();
-      ready = select (1, &readfds, (fd_set *)NULL, (fd_set *)NULL, &timer);
+      select (1, &readfds, (fd_set *)NULL, (fd_set *)NULL, &timer);
       rl_point = orig_point;
 #else /* !HAVE_SELECT */
       _rl_insert_char (count, invoking_key);
diff --git a/cmd-line-utils/readline/readline.c b/cmd-line-utils/readline/readline.c
index fb92becdbf9..95947551823 100644
--- a/cmd-line-utils/readline/readline.c
+++ b/cmd-line-utils/readline/readline.c
@@ -447,11 +447,10 @@ readline_internal_char ()
 readline_internal_charloop ()
 #endif
 {
-  static int lastc, eof_found;
+  static int lastc;
   int c, code, lk;
 
   lastc = -1;
-  eof_found = 0;
 
 #if !defined (READLINE_CALLBACKS)
   while (rl_done == 0)
diff --git a/cmd-line-utils/readline/rlmbutil.h b/cmd-line-utils/readline/rlmbutil.h
index dd317e2a090..6ca8fdde92b 100644
--- a/cmd-line-utils/readline/rlmbutil.h
+++ b/cmd-line-utils/readline/rlmbutil.h
@@ -109,8 +109,8 @@ extern int _rl_is_mbchar_matched PARAMS((char *, int, int, char *, int));
 extern wchar_t _rl_char_value PARAMS((char *, int));
 extern int _rl_walphabetic PARAMS((wchar_t));
 
-#define _rl_to_wupper(wc)	(iswlower (wc) ? towupper (wc) : (wc))
-#define _rl_to_wlower(wc)	(iswupper (wc) ? towlower (wc) : (wc))
+#define _rl_to_wupper(wc)	(iswlower (wc) ? (wchar_t)towupper (wc) : (wc))
+#define _rl_to_wlower(wc)	(iswupper (wc) ? (wchar_t)towlower (wc) : (wc))
 
 #define MB_NEXTCHAR(b,s,c,f) \
 	((MB_CUR_MAX > 1 && rl_byte_oriented == 0) \
diff --git a/cmd-line-utils/readline/rltty.c b/cmd-line-utils/readline/rltty.c
index 08e3ef945ef..8849206fd6d 100644
--- a/cmd-line-utils/readline/rltty.c
+++ b/cmd-line-utils/readline/rltty.c
@@ -141,8 +141,7 @@ static int ksrflow;
 /* Dummy call to force a backgrounded readline to stop before it tries
    to get the tty settings. */
 static void
-set_winsize (tty)
-     int tty;
+set_winsize (int tty __attribute__((unused)))
 {
 #if defined (TIOCGWINSZ)
   struct winsize w;
diff --git a/cmd-line-utils/readline/terminal.c b/cmd-line-utils/readline/terminal.c
index 3f92821f9dd..e2785908160 100644
--- a/cmd-line-utils/readline/terminal.c
+++ b/cmd-line-utils/readline/terminal.c
@@ -268,7 +268,7 @@ _rl_get_screen_size (tty, ignore_env)
 
 #if !defined (__DJGPP__)
       if (_rl_screenwidth <= 0 && term_string_buffer)
-	_rl_screenwidth = tgetnum ("co");
+	_rl_screenwidth = tgetnum ((char *)"co");
 #endif
     }
 
@@ -284,7 +284,7 @@ _rl_get_screen_size (tty, ignore_env)
 
 #if !defined (__DJGPP__)
       if (_rl_screenheight <= 0 && term_string_buffer)
-	_rl_screenheight = tgetnum ("li");
+	_rl_screenheight = tgetnum ((char *)"li");
 #endif
     }
 
@@ -516,7 +516,7 @@ _rl_init_terminal_io (terminal_name)
   if (!_rl_term_cr)
     _rl_term_cr = "\r";
 
-  _rl_term_autowrap = tgetflag ("am") && tgetflag ("xn");
+  _rl_term_autowrap = tgetflag ((char *)"am") && tgetflag ((char *)"xn");
 
   /* Allow calling application to set default height and width, using
      rl_set_screen_size */
@@ -531,7 +531,7 @@ _rl_init_terminal_io (terminal_name)
 
   /* Check to see if this terminal has a meta key and clear the capability
      variables if there is none. */
-  term_has_meta = (tgetflag ("km") || tgetflag ("MT"));
+  term_has_meta = (tgetflag ((char *)"km") || tgetflag ((char *)"MT"));
   if (!term_has_meta)
     _rl_term_mm = _rl_term_mo = (char *)NULL;
 
diff --git a/cmd-line-utils/readline/text.c b/cmd-line-utils/readline/text.c
index 272848c798c..02b28750c86 100644
--- a/cmd-line-utils/readline/text.c
+++ b/cmd-line-utils/readline/text.c
@@ -614,7 +614,7 @@ rl_arrow_keys (count, c)
 #ifdef HANDLE_MULTIBYTE
 static char pending_bytes[MB_LEN_MAX];
 static int pending_bytes_length = 0;
-static mbstate_t ps = {0};
+static mbstate_t ps;
 #endif
 
 /* Insert the character C at the current location, moving point forward.
@@ -811,11 +811,10 @@ _rl_overwrite_char (count, c)
   int i;
 #if defined (HANDLE_MULTIBYTE)
   char mbkey[MB_LEN_MAX];
-  int k;
 
   /* Read an entire multibyte character sequence to insert COUNT times. */
   if (count > 0 && MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-    k = _rl_read_mbstring (c, mbkey, MB_LEN_MAX);
+    _rl_read_mbstring (c, mbkey, MB_LEN_MAX);
 #endif
 
   rl_begin_undo_group ();
diff --git a/cmd-line-utils/readline/util.c b/cmd-line-utils/readline/util.c
index 50cfea75cb9..342224facd7 100644
--- a/cmd-line-utils/readline/util.c
+++ b/cmd-line-utils/readline/util.c
@@ -81,8 +81,13 @@ rl_alphabetic (c)
 
 #if defined (HANDLE_MULTIBYTE)
 int
-_rl_walphabetic (wc)
-     wchar_t wc;
+/*
+  Portability issue with VisualAge C++ Professional / C for AIX Compiler, Version 6:
+    "util.c", line 84.1: 1506-343 (S) Redeclaration of _rl_walphabetic differs
+    from previous declaration on line 110 of "rlmbutil.h".
+  So, put type in the function signature here.
+*/
+_rl_walphabetic (wchar_t wc)
 {
   int c;