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.

1 files changed, 77 insertions, 33 deletions

diff --git a/readline/rltty.c b/readline/rltty.c
index 1d943639f1a..ad179043472 100644
--- a/readline/rltty.c
+++ b/readline/rltty.c
@@ -49,8 +49,13 @@
 extern int errno;
 #endif /* !errno */
 
-VFunction *rl_prep_term_function = rl_prep_terminal;
-VFunction *rl_deprep_term_function = rl_deprep_terminal;
+rl_vintfunc_t *rl_prep_term_function = rl_prep_terminal;
+rl_voidfunc_t *rl_deprep_term_function = rl_deprep_terminal;
+
+static void block_sigint PARAMS((void));
+static void release_sigint PARAMS((void));
+
+static void set_winsize PARAMS((int));
 
 /* **************************************************************** */
 /*								    */
@@ -173,6 +178,14 @@ struct bsdtty {
 
 static TIOTYPE otio;
 
+static void save_tty_chars PARAMS((TIOTYPE *));
+static int _get_tty_settings PARAMS((int, TIOTYPE *));
+static int get_tty_settings PARAMS((int, TIOTYPE *));
+static int _set_tty_settings PARAMS((int, TIOTYPE *));
+static int set_tty_settings PARAMS((int, TIOTYPE *));
+
+static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
+
 static void
 save_tty_chars (tiop)
      TIOTYPE *tiop;
@@ -220,22 +233,23 @@ get_tty_settings (tty, tiop)
 
   tiop->flags = tiop->lflag = 0;
 
-  ioctl (tty, TIOCGETP, &(tiop->sgttyb));
+  if (ioctl (tty, TIOCGETP, &(tiop->sgttyb)) < 0)
+    return -1;
   tiop->flags |= SGTTY_SET;
 
 #if defined (TIOCLGET)
-  ioctl (tty, TIOCLGET, &(tiop->lflag));
-  tiop->flags |= LFLAG_SET;
+  if (ioctl (tty, TIOCLGET, &(tiop->lflag)) == 0)
+    tiop->flags |= LFLAG_SET;
 #endif
 
 #if defined (TIOCGETC)
-  ioctl (tty, TIOCGETC, &(tiop->tchars));
-  tiop->flags |= TCHARS_SET;
+  if (ioctl (tty, TIOCGETC, &(tiop->tchars)) == 0)
+    tiop->flags |= TCHARS_SET;
 #endif
 
 #if defined (TIOCGLTC)
-  ioctl (tty, TIOCGLTC, &(tiop->ltchars));
-  tiop->flags |= LTCHARS_SET;
+  if (ioctl (tty, TIOCGLTC, &(tiop->ltchars)) == 0)
+    tiop->flags |= LTCHARS_SET;
 #endif
 
   return 0;
@@ -281,23 +295,23 @@ set_tty_settings (tty, tiop)
 }
 
 static void
-prepare_terminal_settings (meta_flag, otio, tiop)
+prepare_terminal_settings (meta_flag, oldtio, tiop)
      int meta_flag;
-     TIOTYPE otio, *tiop;
+     TIOTYPE oldtio, *tiop;
 {
-  readline_echoing_p = (otio.sgttyb.sg_flags & ECHO);
+  readline_echoing_p = (oldtio.sgttyb.sg_flags & ECHO);
 
   /* Copy the original settings to the structure we're going to use for
      our settings. */
-  tiop->sgttyb = otio.sgttyb;
-  tiop->lflag = otio.lflag;
+  tiop->sgttyb = oldtio.sgttyb;
+  tiop->lflag = oldtio.lflag;
 #if defined (TIOCGETC)
-  tiop->tchars = otio.tchars;
+  tiop->tchars = oldtio.tchars;
 #endif
 #if defined (TIOCGLTC)
-  tiop->ltchars = otio.ltchars;
+  tiop->ltchars = oldtio.ltchars;
 #endif
-  tiop->flags = otio.flags;
+  tiop->flags = oldtio.flags;
 
   /* First, the basic settings to put us into character-at-a-time, no-echo
      input mode. */
@@ -310,8 +324,8 @@ prepare_terminal_settings (meta_flag, otio, tiop)
 #if !defined (ANYP)
 #  define ANYP (EVENP | ODDP)
 #endif
-  if (((otio.sgttyb.sg_flags & ANYP) == ANYP) ||
-      ((otio.sgttyb.sg_flags & ANYP) == 0))
+  if (((oldtio.sgttyb.sg_flags & ANYP) == ANYP) ||
+      ((oldtio.sgttyb.sg_flags & ANYP) == 0))
     {
       tiop->sgttyb.sg_flags |= ANYP;
 
@@ -330,13 +344,13 @@ prepare_terminal_settings (meta_flag, otio, tiop)
   tiop->tchars.t_startc = -1; /* C-q */
 
   /* If there is an XON character, bind it to restart the output. */
-  if (otio.tchars.t_startc != -1)
-    rl_bind_key (otio.tchars.t_startc, rl_restart_output);
+  if (oldtio.tchars.t_startc != -1)
+    rl_bind_key (oldtio.tchars.t_startc, rl_restart_output);
 #  endif /* USE_XON_XOFF */
 
   /* If there is an EOF char, bind _rl_eof_char to it. */
-  if (otio.tchars.t_eofc != -1)
-    _rl_eof_char = otio.tchars.t_eofc;
+  if (oldtio.tchars.t_eofc != -1)
+    _rl_eof_char = oldtio.tchars.t_eofc;
 
 #  if defined (NO_KILL_INTR)
   /* Get rid of terminal-generated SIGQUIT and SIGINT. */
@@ -375,11 +389,19 @@ prepare_terminal_settings (meta_flag, otio, tiop)
 #  define TIOTYPE struct termio
 #  define DRAIN_OUTPUT(fd)
 #  define GETATTR(tty, tiop)	(ioctl (tty, TCGETA, tiop))
-#  define SETATTR(tty, tiop)	(ioctl (tty, TCSETA, tiop))
+#  define SETATTR(tty, tiop)	(ioctl (tty, TCSETAW, tiop))
 #endif /* !TERMIOS_TTY_DRIVER */
 
 static TIOTYPE otio;
 
+static void save_tty_chars PARAMS((TIOTYPE *));
+static int _get_tty_settings PARAMS((int, TIOTYPE *));
+static int get_tty_settings PARAMS((int, TIOTYPE *));
+static int _set_tty_settings PARAMS((int, TIOTYPE *));
+static int set_tty_settings PARAMS((int, TIOTYPE *));
+
+static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
+
 #if defined (FLUSHO)
 #  define OUTPUT_BEING_FLUSHED(tp)  (tp->c_lflag & FLUSHO)
 #else
@@ -549,16 +571,16 @@ set_tty_settings (tty, tiop)
 }
 
 static void
-prepare_terminal_settings (meta_flag, otio, tiop)
+prepare_terminal_settings (meta_flag, oldtio, tiop)
      int meta_flag;
-     TIOTYPE otio, *tiop;
+     TIOTYPE oldtio, *tiop;
 {
-  readline_echoing_p = (otio.c_lflag & ECHO);
+  readline_echoing_p = (oldtio.c_lflag & ECHO);
 
   tiop->c_lflag &= ~(ICANON | ECHO);
 
-  if ((unsigned char) otio.c_cc[VEOF] != (unsigned char) _POSIX_VDISABLE)
-    _rl_eof_char = otio.c_cc[VEOF];
+  if ((unsigned char) oldtio.c_cc[VEOF] != (unsigned char) _POSIX_VDISABLE)
+    _rl_eof_char = oldtio.c_cc[VEOF];
 
 #if defined (USE_XON_XOFF)
 #if defined (IXANY)
@@ -589,7 +611,7 @@ prepare_terminal_settings (meta_flag, otio, tiop)
   if (OUTPUT_BEING_FLUSHED (tiop))
     {
       tiop->c_lflag &= ~FLUSHO;
-      otio.c_lflag &= ~FLUSHO;
+      oldtio.c_lflag &= ~FLUSHO;
     }
 #endif
 
@@ -649,6 +671,7 @@ rl_prep_terminal (meta_flag)
 
   fflush (rl_outstream);
   terminal_prepped = 1;
+  RL_SETSTATE(RL_STATE_TERMPREPPED);
 
   release_sigint ();
 }
@@ -679,6 +702,7 @@ rl_deprep_terminal ()
     }
 
   terminal_prepped = 0;
+  RL_UNSETSTATE(RL_STATE_TERMPREPPED);
 
   release_sigint ();
 }
@@ -755,6 +779,9 @@ rl_stop_output (count, key)
 /*			Default Key Bindings			    */
 /*								    */
 /* **************************************************************** */
+
+/* Set the system's default editing characters to their readline equivalents
+   in KMAP.  Should be static, now that we have rl_tty_set_default_bindings. */
 void
 rltty_set_default_bindings (kmap)
      Keymap kmap;
@@ -769,8 +796,8 @@ rltty_set_default_bindings (kmap)
     { \
       int ic; \
       ic = sc; \
-      if (ic != -1 && kmap[ic].type == ISFUNC) \
-	kmap[ic].function = func; \
+      if (ic != -1 && kmap[(unsigned char)ic].type == ISFUNC) \
+	kmap[(unsigned char)ic].function = func; \
     } \
   while (0)
 
@@ -819,6 +846,15 @@ rltty_set_default_bindings (kmap)
 #endif /* !NEW_TTY_DRIVER */
 }
 
+/* New public way to set the system default editing chars to their readline
+   equivalents. */
+void
+rl_tty_set_default_bindings (kmap)
+     Keymap kmap;
+{
+  rltty_set_default_bindings (kmap);
+}
+
 #if defined (HANDLE_SIGNALS)
 
 #if defined (NEW_TTY_DRIVER)
@@ -850,6 +886,7 @@ _rl_disable_tty_signals ()
   nosigstty = sigstty;
 
   nosigstty.c_lflag &= ~ISIG;
+  nosigstty.c_iflag &= ~IXON;
 
   if (_set_tty_settings (fileno (rl_instream), &nosigstty) < 0)
     return (_set_tty_settings (fileno (rl_instream), &sigstty));
@@ -861,10 +898,17 @@ _rl_disable_tty_signals ()
 int
 _rl_restore_tty_signals ()
 {
+  int r;
+
   if (tty_sigs_disabled == 0)
     return 0;
 
-  return (_set_tty_settings (fileno (rl_instream), &sigstty));
+  r = _set_tty_settings (fileno (rl_instream), &sigstty);
+
+  if (r == 0)
+    tty_sigs_disabled = 0;
+
+  return r;
 }
 #endif /* !NEW_TTY_DRIVER */