/* rltty.c -- functions to prepare and restore the terminal for readline's
use. */
-/* Copyright (C) 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2005 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.
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
- The GNU Readline Library is free software; you can redistribute it
- and/or modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2, or
+ Readline is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
- The GNU Readline Library is distributed in the hope that it will be
- useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Readline is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- The GNU General Public License is often shipped with GNU software, and
- 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. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
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));
/* **************************************************************** */
/* */
-/* Signal Management */
-/* */
-/* **************************************************************** */
-
-#if defined (HAVE_POSIX_SIGNALS)
-static sigset_t sigint_set, sigint_oset;
-#else /* !HAVE_POSIX_SIGNALS */
-# if defined (HAVE_BSD_SIGNALS)
-static int sigint_oldmask;
-# endif /* HAVE_BSD_SIGNALS */
-#endif /* !HAVE_POSIX_SIGNALS */
-
-static int sigint_blocked;
-
-/* Cause SIGINT to not be delivered until the corresponding call to
- release_sigint(). */
-static void
-block_sigint ()
-{
- if (sigint_blocked)
- return;
-
-#if defined (HAVE_POSIX_SIGNALS)
- sigemptyset (&sigint_set);
- sigemptyset (&sigint_oset);
- sigaddset (&sigint_set, SIGINT);
- sigprocmask (SIG_BLOCK, &sigint_set, &sigint_oset);
-#else /* !HAVE_POSIX_SIGNALS */
-# if defined (HAVE_BSD_SIGNALS)
- sigint_oldmask = sigblock (sigmask (SIGINT));
-# else /* !HAVE_BSD_SIGNALS */
-# if defined (HAVE_USG_SIGHOLD)
- sighold (SIGINT);
-# endif /* HAVE_USG_SIGHOLD */
-# endif /* !HAVE_BSD_SIGNALS */
-#endif /* !HAVE_POSIX_SIGNALS */
-
- sigint_blocked = 1;
-}
-
-/* Allow SIGINT to be delivered. */
-static void
-release_sigint ()
-{
- if (sigint_blocked == 0)
- return;
-
-#if defined (HAVE_POSIX_SIGNALS)
- sigprocmask (SIG_SETMASK, &sigint_oset, (sigset_t *)NULL);
-#else
-# if defined (HAVE_BSD_SIGNALS)
- sigsetmask (sigint_oldmask);
-# else /* !HAVE_BSD_SIGNALS */
-# if defined (HAVE_USG_SIGHOLD)
- sigrelse (SIGINT);
-# endif /* HAVE_USG_SIGHOLD */
-# endif /* !HAVE_BSD_SIGNALS */
-#endif /* !HAVE_POSIX_SIGNALS */
-
- sigint_blocked = 0;
-}
-
-/* **************************************************************** */
-/* */
/* Saving and Restoring the TTY */
/* */
/* **************************************************************** */
#endif /* TIOCGWINSZ */
}
-#if defined (NEW_TTY_DRIVER)
+#if defined (NO_TTY_DRIVER)
+/* Nothing */
+#elif defined (NEW_TTY_DRIVER)
/* Values for the `flags' field of a struct bsdtty. This tells which
elements of the struct bsdtty have been fetched from the system and
static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
-static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t));
+static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t *));
static void
save_tty_chars (tiop)
if (tiop->flags & TCHARS_SET)
{
- _rl_tty_chars.t_intr = tiop->tchars.t_intrc;
- _rl_tty_chars.t_quit = tiop->tchars.t_quitc;
+ _rl_intr_char = _rl_tty_chars.t_intr = tiop->tchars.t_intrc;
+ _rl_quit_char = _rl_tty_chars.t_quit = tiop->tchars.t_quitc;
+
_rl_tty_chars.t_start = tiop->tchars.t_startc;
_rl_tty_chars.t_stop = tiop->tchars.t_stopc;
_rl_tty_chars.t_eof = tiop->tchars.t_eofc;
if (tiop->flags & LTCHARS_SET)
{
- _rl_tty_chars.t_susp = tiop->ltchars.t_suspc;
+ _rl_susp_char = _rl_tty_chars.t_susp = tiop->ltchars.t_suspc;
+
_rl_tty_chars.t_dsusp = tiop->ltchars.t_dsuspc;
_rl_tty_chars.t_reprint = tiop->ltchars.t_rprntc;
_rl_tty_chars.t_flush = tiop->ltchars.t_flushc;
tiop->flags = tiop->lflag = 0;
+ errno = 0;
if (ioctl (tty, TIOCGETP, &(tiop->sgttyb)) < 0)
return -1;
tiop->flags |= SGTTY_SET;
ioctl (tty, TIOCSETN, &(tiop->sgttyb));
tiop->flags &= ~SGTTY_SET;
}
- readline_echoing_p = 1;
+ _rl_echoing_p = 1;
#if defined (TIOCLSET)
if (tiop->flags & LFLAG_SET)
int meta_flag;
TIOTYPE oldtio, *tiop;
{
- readline_echoing_p = (oldtio.sgttyb.sg_flags & ECHO);
+ _rl_echoing_p = (oldtio.sgttyb.sg_flags & ECHO);
+ _rl_echoctl = (oldtio.sgttyb.sg_flags & ECHOCTL);
/* Copy the original settings to the structure we're going to use for
our settings. */
static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
-static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t));
+static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t *));
static void _rl_bind_tty_special_chars PARAMS((Keymap, TIOTYPE));
#if defined (FLUSHO)
#ifdef VREPRINT
_rl_tty_chars.t_reprint = tiop->c_cc[VREPRINT];
#endif
- _rl_tty_chars.t_intr = tiop->c_cc[VINTR];
- _rl_tty_chars.t_quit = tiop->c_cc[VQUIT];
+ _rl_intr_char = _rl_tty_chars.t_intr = tiop->c_cc[VINTR];
+ _rl_quit_char = _rl_tty_chars.t_quit = tiop->c_cc[VQUIT];
#ifdef VSUSP
- _rl_tty_chars.t_susp = tiop->c_cc[VSUSP];
+ _rl_susp_char = _rl_tty_chars.t_susp = tiop->c_cc[VSUSP];
#endif
#ifdef VDSUSP
_rl_tty_chars.t_dsusp = tiop->c_cc[VDSUSP];
rltty_warning (msg)
char *msg;
{
- fprintf (stderr, "readline: warning: %s\n", msg);
+ _rl_errmsg ("warning: %s", msg);
}
#endif
{
if ((tp->c_oflag & OPOST) == 0)
{
- rltty_warning ("turning on OPOST for terminal\r");
+ _rl_errmsg ("warning: turning on OPOST for terminal\r");
tp->c_oflag |= OPOST|ONLCR;
}
}
}
if (OUTPUT_BEING_FLUSHED (tiop))
{
-#if defined (FLUSHO) && defined (_AIX41)
- rltty_warning ("turning off output flushing");
+#if defined (FLUSHO)
+ _rl_errmsg ("warning: turning off output flushing");
tiop->c_lflag &= ~FLUSHO;
break;
#else
{
set_winsize (tty);
+ errno = 0;
if (_get_tty_settings (tty, tiop) < 0)
return -1;
int meta_flag;
TIOTYPE oldtio, *tiop;
{
- readline_echoing_p = (oldtio.c_lflag & ECHO);
+ _rl_echoing_p = (oldtio.c_lflag & ECHO);
+#if defined (ECHOCTL)
+ _rl_echoctl = (oldtio.c_lflag & ECHOCTL);
+#endif
tiop->c_lflag &= ~(ICANON | ECHO);
#if defined (USE_XON_XOFF)
#if defined (IXANY)
- tiop->c_iflag &= ~(IXON | IXOFF | IXANY);
+ tiop->c_iflag &= ~(IXON | IXANY);
#else
/* `strict' Posix systems do not define IXANY. */
- tiop->c_iflag &= ~(IXON | IXOFF);
+ tiop->c_iflag &= ~IXON;
#endif /* IXANY */
#endif /* USE_XON_XOFF */
#endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */
}
-#endif /* NEW_TTY_DRIVER */
+#endif /* !NEW_TTY_DRIVER */
/* Put the terminal in CBREAK mode so that we can detect key presses. */
+#if defined (NO_TTY_DRIVER)
+void
+rl_prep_terminal (meta_flag)
+ int meta_flag;
+{
+ _rl_echoing_p = 1;
+}
+
+void
+rl_deprep_terminal ()
+{
+}
+
+#else /* ! NO_TTY_DRIVER */
void
rl_prep_terminal (meta_flag)
int meta_flag;
return;
/* Try to keep this function from being INTerrupted. */
- block_sigint ();
+ _rl_block_sigint ();
- tty = fileno (rl_instream);
+ tty = rl_instream ? fileno (rl_instream) : fileno (stdin);
if (get_tty_settings (tty, &tio) < 0)
{
- release_sigint ();
+#if defined (ENOTSUP)
+ /* MacOS X and Linux, at least, lie about the value of errno if
+ tcgetattr fails. */
+ if (errno == ENOTTY || errno == EINVAL || errno == ENOTSUP)
+#else
+ if (errno == ENOTTY || errno == EINVAL)
+#endif
+ _rl_echoing_p = 1; /* XXX */
+
+ _rl_release_sigint ();
return;
}
otio = tio;
- rl_tty_unset_default_bindings (_rl_keymap);
+ if (_rl_bind_stty_chars)
+ {
+#if defined (VI_MODE)
+ /* If editing in vi mode, make sure we restore the bindings in the
+ insertion keymap no matter what keymap we ended up in. */
+ if (rl_editing_mode == vi_mode)
+ rl_tty_unset_default_bindings (vi_insertion_keymap);
+ else
+#endif
+ rl_tty_unset_default_bindings (_rl_keymap);
+ }
save_tty_chars (&otio);
RL_SETSTATE(RL_STATE_TTYCSAVED);
- _rl_bind_tty_special_chars (_rl_keymap, tio);
+ if (_rl_bind_stty_chars)
+ {
+#if defined (VI_MODE)
+ /* If editing in vi mode, make sure we set the bindings in the
+ insertion keymap no matter what keymap we ended up in. */
+ if (rl_editing_mode == vi_mode)
+ _rl_bind_tty_special_chars (vi_insertion_keymap, tio);
+ else
+#endif
+ _rl_bind_tty_special_chars (_rl_keymap, tio);
+ }
prepare_terminal_settings (meta_flag, otio, &tio);
if (set_tty_settings (tty, &tio) < 0)
{
- release_sigint ();
+ _rl_release_sigint ();
return;
}
terminal_prepped = 1;
RL_SETSTATE(RL_STATE_TERMPREPPED);
- release_sigint ();
+ _rl_release_sigint ();
}
/* Restore the terminal's normal settings and modes. */
return;
/* Try to keep this function from being interrupted. */
- block_sigint ();
+ _rl_block_sigint ();
- tty = fileno (rl_instream);
+ tty = rl_instream ? fileno (rl_instream) : fileno (stdin);
if (_rl_enable_keypad)
_rl_control_keypad (0);
if (set_tty_settings (tty, &otio) < 0)
{
- release_sigint ();
+ _rl_release_sigint ();
return;
}
terminal_prepped = 0;
RL_UNSETSTATE(RL_STATE_TERMPREPPED);
- release_sigint ();
+ _rl_release_sigint ();
}
+#endif /* !NO_TTY_DRIVER */
\f
/* **************************************************************** */
/* */
rl_restart_output (count, key)
int count, key;
{
+#if defined (__MINGW32__)
+ return 0;
+#else /* !__MING32__ */
+
int fildes = fileno (rl_outstream);
#if defined (TIOCSTART)
#if defined (apollo)
#endif /* !TIOCSTART */
return 0;
+#endif /* !__MINGW32__ */
}
int
rl_stop_output (count, key)
int count, key;
{
+#if defined (__MINGW32__)
+ return 0;
+#else
+
int fildes = fileno (rl_instream);
#if defined (TIOCSTOP)
#endif /* !TIOCSTOP */
return 0;
+#endif /* !__MINGW32__ */
}
/* **************************************************************** */
/* */
/* **************************************************************** */
+#if !defined (NO_TTY_DRIVER)
#define SET_SPECIAL(sc, func) set_special_char(kmap, &ttybuff, sc, func)
+#endif
-#if defined (NEW_TTY_DRIVER)
+#if defined (NO_TTY_DRIVER)
+
+#define SET_SPECIAL(sc, func)
+#define RESET_SPECIAL(c)
+
+#elif defined (NEW_TTY_DRIVER)
static void
set_special_char (kmap, tiop, sc, func)
Keymap kmap;
}
#define RESET_SPECIAL(c) \
- if (c != -1 && kmap[(unsigned char)c].type == ISFUNC)
+ if (c != -1 && kmap[(unsigned char)c].type == ISFUNC) \
kmap[(unsigned char)c].function = rl_insert;
static void
rltty_set_default_bindings (kmap)
Keymap kmap;
{
+#if !defined (NO_TTY_DRIVER)
TIOTYPE ttybuff;
int tty;
- static int called = 0;
tty = fileno (rl_instream);
if (get_tty_settings (tty, &ttybuff) == 0)
_rl_bind_tty_special_chars (kmap, ttybuff);
+#endif
}
/* New public way to set the system default editing chars to their readline
#if defined (HANDLE_SIGNALS)
-#if defined (NEW_TTY_DRIVER)
+#if defined (NEW_TTY_DRIVER) || defined (NO_TTY_DRIVER)
int
_rl_disable_tty_signals ()
{
projects / platform / upstream / bash.git / blobdiff