/* 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 1, 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,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
-#include "sysdep.h"
+ 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)
+# include <config.h>
+#endif
+
+#include <sys/types.h>
#include <signal.h>
#include <errno.h>
#include <stdio.h>
-#ifndef NO_SYS_FILE
-#include <sys/file.h>
-#endif
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include "rldefs.h"
+
+#if defined (GWINSZ_IN_SYS_IOCTL)
+# include <sys/ioctl.h>
+#endif /* GWINSZ_IN_SYS_IOCTL */
+
+#include "rltty.h"
#include "readline.h"
+#include "rlprivate.h"
#if !defined (errno)
extern int errno;
#endif /* !errno */
-extern int readline_echoing_p;
-extern int _rl_eof_char;
+rl_vintfunc_t *rl_prep_term_function = rl_prep_terminal;
+rl_voidfunc_t *rl_deprep_term_function = rl_deprep_terminal;
-#if defined (__GO32__)
-# include <sys/pc.h>
-# undef HANDLE_SIGNALS
-#endif /* __GO32__ */
+static void set_winsize PARAMS((int));
/* **************************************************************** */
/* */
-/* Signal Management */
+/* Saving and Restoring the TTY */
/* */
/* **************************************************************** */
-#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 = 0;
+/* Non-zero means that the terminal is in a prepped state. */
+static int terminal_prepped;
-/* Cause SIGINT to not be delivered until the corresponding call to
- release_sigint(). */
-static void
-block_sigint ()
-{
- if (sigint_blocked)
- return;
+static _RL_TTY_CHARS _rl_tty_chars, _rl_last_tty_chars;
-#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;
-}
+/* If non-zero, means that this process has called tcflow(fd, TCOOFF)
+ and output is suspended. */
+#if defined (__ksr1__)
+static int ksrflow;
+#endif
-/* Allow SIGINT to be delivered. */
+/* Dummy call to force a backgrounded readline to stop before it tries
+ to get the tty settings. */
static void
-release_sigint ()
+set_winsize (tty)
+ int tty;
{
- if (!sigint_blocked)
- return;
+#if defined (TIOCGWINSZ)
+ struct winsize w;
-#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;
+ if (ioctl (tty, TIOCGWINSZ, &w) == 0)
+ (void) ioctl (tty, TIOCSWINSZ, &w);
+#endif /* TIOCGWINSZ */
}
-\f
-/* **************************************************************** */
-/* */
-/* Controlling the Meta Key */
-/* */
-/* **************************************************************** */
-extern int term_has_meta;
-extern char *term_mm;
-extern char *term_mo;
-
-static void
-outchar (c)
- int c;
-{
- putc (c, rl_outstream);
-}
-
-/* Turn on/off the meta key depending on ON. */
-static void
-control_meta_key (on)
- int on;
-{
- if (term_has_meta)
- {
- if (on && term_mm)
- tputs (term_mm, 1, outchar);
- else if (!on && term_mo)
- tputs (term_mo, 1, outchar);
- }
-}
-\f
-/* **************************************************************** */
-/* */
-/* Saving and Restoring the TTY */
-/* */
-/* **************************************************************** */
-
-/* Non-zero means that the terminal is in a prepped state. */
-static int terminal_prepped = 0;
-
-/* If non-zero, means that this process has called tcflow(fd, TCOOFF)
- and output is suspended. */
-#if defined (__ksr1__)
-static int ksrflow = 0;
-#endif
-#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 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 set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t));
+
+static void
+save_tty_chars (tiop)
+ TIOTYPE *tiop;
+{
+ _rl_last_tty_chars = _rl_tty_chars;
+
+ if (tiop->flags & SGTTY_SET)
+ {
+ _rl_tty_chars.t_erase = tiop->sgttyb.sg_erase;
+ _rl_tty_chars.t_kill = tiop->sgttyb.sg_kill;
+ }
+
+ if (tiop->flags & TCHARS_SET)
+ {
+ _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;
+ _rl_tty_chars.t_eol = '\n';
+ _rl_tty_chars.t_eol2 = tiop->tchars.t_brkc;
+ }
+
+ if (tiop->flags & LTCHARS_SET)
+ {
+ _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;
+ _rl_tty_chars.t_werase = tiop->ltchars.t_werasc;
+ _rl_tty_chars.t_lnext = tiop->ltchars.t_lnextc;
+ }
+
+ _rl_tty_chars.t_status = -1;
+}
+
static int
get_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
+ set_winsize (tty);
+
tiop->flags = tiop->lflag = 0;
- ioctl (tty, TIOCGETP, &(tiop->sgttyb));
+ errno = 0;
+ 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;
}
+static int
set_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
ioctl (tty, TIOCSETN, &(tiop->sgttyb));
tiop->flags &= ~SGTTY_SET;
}
+ _rl_echoing_p = 1;
#if defined (TIOCLSET)
if (tiop->flags & LFLAG_SET)
}
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;
{
-#if !defined (__GO32__)
- readline_echoing_p = (otio.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. */
- 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. */
#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;
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. */
tiop->ltchars.t_dsuspc = -1; /* C-y */
tiop->ltchars.t_lnextc = -1; /* C-v */
#endif /* TIOCGLTC */
-#endif /* !__GO32__ */
}
-#endif /* defined (NEW_TTY_DRIVER) */
-#if !defined (NEW_TTY_DRIVER) && !defined(__GO32__)
+#else /* !defined (NEW_TTY_DRIVER) */
#if !defined (VMIN)
# define VMIN VEOF
# define TIOTYPE struct termios
# define DRAIN_OUTPUT(fd) tcdrain (fd)
# define GETATTR(tty, tiop) (tcgetattr (tty, tiop))
-# define SETATTR(tty, tiop) (tcsetattr (tty, TCSANOW, tiop))
+# ifdef M_UNIX
+# define SETATTR(tty, tiop) (tcsetattr (tty, TCSANOW, tiop))
+# else
+# define SETATTR(tty, tiop) (tcsetattr (tty, TCSADRAIN, tiop))
+# endif /* !M_UNIX */
#else
# 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 *));
+
+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)
+# define OUTPUT_BEING_FLUSHED(tp) (tp->c_lflag & FLUSHO)
+#else
+# define OUTPUT_BEING_FLUSHED(tp) 0
+#endif
+
+static void
+save_tty_chars (tiop)
+ TIOTYPE *tiop;
+{
+ _rl_last_tty_chars = _rl_tty_chars;
+
+ _rl_tty_chars.t_eof = tiop->c_cc[VEOF];
+ _rl_tty_chars.t_eol = tiop->c_cc[VEOL];
+#ifdef VEOL2
+ _rl_tty_chars.t_eol2 = tiop->c_cc[VEOL2];
+#endif
+ _rl_tty_chars.t_erase = tiop->c_cc[VERASE];
+#ifdef VWERASE
+ _rl_tty_chars.t_werase = tiop->c_cc[VWERASE];
+#endif
+ _rl_tty_chars.t_kill = tiop->c_cc[VKILL];
+#ifdef VREPRINT
+ _rl_tty_chars.t_reprint = tiop->c_cc[VREPRINT];
+#endif
+ _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_susp_char = _rl_tty_chars.t_susp = tiop->c_cc[VSUSP];
+#endif
+#ifdef VDSUSP
+ _rl_tty_chars.t_dsusp = tiop->c_cc[VDSUSP];
+#endif
+#ifdef VSTART
+ _rl_tty_chars.t_start = tiop->c_cc[VSTART];
+#endif
+#ifdef VSTOP
+ _rl_tty_chars.t_stop = tiop->c_cc[VSTOP];
+#endif
+#ifdef VLNEXT
+ _rl_tty_chars.t_lnext = tiop->c_cc[VLNEXT];
+#endif
+#ifdef VDISCARD
+ _rl_tty_chars.t_flush = tiop->c_cc[VDISCARD];
+#endif
+#ifdef VSTATUS
+ _rl_tty_chars.t_status = tiop->c_cc[VSTATUS];
+#endif
+}
+
+#if defined (_AIX) || defined (_AIX41)
+/* Currently this is only used on AIX */
+static void
+rltty_warning (msg)
+ char *msg;
+{
+ _rl_errmsg ("warning: %s", msg);
+}
+#endif
+
+#if defined (_AIX)
+void
+setopost(tp)
+TIOTYPE *tp;
+{
+ if ((tp->c_oflag & OPOST) == 0)
+ {
+ _rl_errmsg ("warning: turning on OPOST for terminal\r");
+ tp->c_oflag |= OPOST|ONLCR;
+ }
+}
+#endif
+
static int
-get_tty_settings (tty, tiop)
+_get_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
- while (GETATTR (tty, tiop) < 0)
+ int ioctl_ret;
+
+ while (1)
{
- if (errno != EINTR)
- return -1;
- errno = 0;
+ ioctl_ret = GETATTR (tty, tiop);
+ if (ioctl_ret < 0)
+ {
+ if (errno != EINTR)
+ return -1;
+ else
+ continue;
+ }
+ if (OUTPUT_BEING_FLUSHED (tiop))
+ {
+#if defined (FLUSHO)
+ _rl_errmsg ("warning: turning off output flushing");
+ tiop->c_lflag &= ~FLUSHO;
+ break;
+#else
+ continue;
+#endif
+ }
+ break;
}
+
return 0;
}
static int
-set_tty_settings (tty, tiop)
+get_tty_settings (tty, tiop)
+ int tty;
+ TIOTYPE *tiop;
+{
+ set_winsize (tty);
+
+ errno = 0;
+ if (_get_tty_settings (tty, tiop) < 0)
+ return -1;
+
+#if defined (_AIX)
+ setopost(tiop);
+#endif
+
+ return 0;
+}
+
+static int
+_set_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
return -1;
errno = 0;
}
+ return 0;
+}
+static int
+set_tty_settings (tty, tiop)
+ int tty;
+ TIOTYPE *tiop;
+{
+ if (_set_tty_settings (tty, tiop) < 0)
+ return -1;
+
#if 0
#if defined (TERMIOS_TTY_DRIVER)
ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */
#endif /* !TERMIOS_TTY_DRIVER */
-#endif
+#endif /* 0 */
return 0;
}
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);
+ _rl_echoing_p = (oldtio.c_lflag & ECHO);
+#if defined (ECHOCTL)
+ _rl_echoctl = (oldtio.c_lflag & ECHOCTL);
+#endif
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)
tiop->c_cc[VMIN] = 1;
tiop->c_cc[VTIME] = 0;
+#if defined (FLUSHO)
+ if (OUTPUT_BEING_FLUSHED (tiop))
+ {
+ tiop->c_lflag &= ~FLUSHO;
+ oldtio.c_lflag &= ~FLUSHO;
+ }
+#endif
+
/* Turn off characters that we need on Posix systems with job control,
just to be sure. This includes ^Y and ^V. This should not really
be necessary. */
#endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */
}
-#endif /* !defined (NEW_TTY_DRIVER) && !defined(__GO32__) */
+#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;
{
-#if !defined (__GO32__)
- int tty = fileno (rl_instream);
+ int tty;
TIOTYPE tio;
if (terminal_prepped)
return;
/* Try to keep this function from being INTerrupted. */
- block_sigint ();
+ _rl_block_sigint ();
+
+ 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;
+ 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);
+ 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;
}
- control_meta_key (1);
+ if (_rl_enable_keypad)
+ _rl_control_keypad (1);
+
+ fflush (rl_outstream);
terminal_prepped = 1;
+ RL_SETSTATE(RL_STATE_TERMPREPPED);
- release_sigint ();
-#endif /* !__GO32__ */
+ _rl_release_sigint ();
}
/* Restore the terminal's normal settings and modes. */
void
rl_deprep_terminal ()
{
-#if !defined (__GO32__)
- int tty = fileno (rl_instream);
+ int tty;
if (!terminal_prepped)
return;
- /* Try to keep this function from being INTerrupted. */
- block_sigint ();
+ /* Try to keep this function from being interrupted. */
+ _rl_block_sigint ();
+
+ tty = rl_instream ? fileno (rl_instream) : fileno (stdout);
+
+ if (_rl_enable_keypad)
+ _rl_control_keypad (0);
+
+ fflush (rl_outstream);
if (set_tty_settings (tty, &otio) < 0)
{
- release_sigint ();
+ _rl_release_sigint ();
return;
}
-#ifdef NEW_TTY_DRIVER
- readline_echoing_p = 1;
-#endif
- control_meta_key (0);
terminal_prepped = 0;
+ RL_UNSETSTATE(RL_STATE_TERMPREPPED);
- release_sigint ();
-#endif /* !__GO32__ */
+ _rl_release_sigint ();
}
+#endif /* !NO_TTY_DRIVER */
\f
/* **************************************************************** */
/* */
/* */
/* **************************************************************** */
+int
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 /* TCXONC */
# endif /* !TERMIOS_TTY_DRIVER */
#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 /* TCXONC */
# endif /* !TERMIOS_TTY_DRIVER */
#endif /* !TIOCSTOP */
+
+ return 0;
+#endif /* !__MINGW32__ */
}
-\f
+
/* **************************************************************** */
/* */
/* Default Key Bindings */
/* */
/* **************************************************************** */
-#if !defined (__GO32__)
+
+#if !defined (NO_TTY_DRIVER)
+#define SET_SPECIAL(sc, func) set_special_char(kmap, &ttybuff, sc, func)
+#endif
+
+#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;
+ TIOTYPE *tiop;
+ int sc;
+ rl_command_func_t *func;
+{
+ if (sc != -1 && kmap[(unsigned char)sc].type == ISFUNC)
+ kmap[(unsigned char)sc].function = func;
+}
+
+#define RESET_SPECIAL(c) \
+ if (c != -1 && kmap[(unsigned char)c].type == ISFUNC) \
+ kmap[(unsigned char)c].function = rl_insert;
+
+static void
+_rl_bind_tty_special_chars (kmap, ttybuff)
+ Keymap kmap;
+ TIOTYPE ttybuff;
+{
+ if (ttybuff.flags & SGTTY_SET)
+ {
+ SET_SPECIAL (ttybuff.sgttyb.sg_erase, rl_rubout);
+ SET_SPECIAL (ttybuff.sgttyb.sg_kill, rl_unix_line_discard);
+ }
+
+# if defined (TIOCGLTC)
+ if (ttybuff.flags & LTCHARS_SET)
+ {
+ SET_SPECIAL (ttybuff.ltchars.t_werasc, rl_unix_word_rubout);
+ SET_SPECIAL (ttybuff.ltchars.t_lnextc, rl_quoted_insert);
+ }
+# endif /* TIOCGLTC */
+}
+
+#else /* !NEW_TTY_DRIVER */
+static void
+set_special_char (kmap, tiop, sc, func)
+ Keymap kmap;
+ TIOTYPE *tiop;
+ int sc;
+ rl_command_func_t *func;
+{
+ unsigned char uc;
+
+ uc = tiop->c_cc[sc];
+ if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC)
+ kmap[uc].function = func;
+}
+
+/* used later */
+#define RESET_SPECIAL(uc) \
+ if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) \
+ kmap[uc].function = rl_insert;
+
+static void
+_rl_bind_tty_special_chars (kmap, ttybuff)
+ Keymap kmap;
+ TIOTYPE ttybuff;
+{
+ SET_SPECIAL (VERASE, rl_rubout);
+ SET_SPECIAL (VKILL, rl_unix_line_discard);
+
+# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
+ SET_SPECIAL (VLNEXT, rl_quoted_insert);
+# endif /* VLNEXT && TERMIOS_TTY_DRIVER */
+
+# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
+ SET_SPECIAL (VWERASE, rl_unix_word_rubout);
+# endif /* VWERASE && TERMIOS_TTY_DRIVER */
+}
+
+#endif /* !NEW_TTY_DRIVER */
+
+/* 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;
{
+#if !defined (NO_TTY_DRIVER)
TIOTYPE ttybuff;
- int tty = fileno (rl_instream);
+ int tty;
-#if defined (NEW_TTY_DRIVER)
+ tty = fileno (rl_instream);
if (get_tty_settings (tty, &ttybuff) == 0)
- {
- if (ttybuff.flags & SGTTY_SET)
- {
- int erase, kill;
+ _rl_bind_tty_special_chars (kmap, ttybuff);
+#endif
+}
- erase = ttybuff.sgttyb.sg_erase;
- kill = ttybuff.sgttyb.sg_kill;
+/* 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 (erase != -1 && kmap[erase].type == ISFUNC)
- kmap[erase].function = rl_rubout;
+/* Rebind all of the tty special chars that readline worries about back
+ to self-insert. Call this before saving the current terminal special
+ chars with save_tty_chars(). This only works on POSIX termios or termio
+ systems. */
+void
+rl_tty_unset_default_bindings (kmap)
+ Keymap kmap;
+{
+ /* Don't bother before we've saved the tty special chars at least once. */
+ if (RL_ISSTATE(RL_STATE_TTYCSAVED) == 0)
+ return;
- if (kill != -1 && kmap[kill].type == ISFUNC)
- kmap[kill].function = rl_unix_line_discard;
- }
+ RESET_SPECIAL (_rl_tty_chars.t_erase);
+ RESET_SPECIAL (_rl_tty_chars.t_kill);
-# if defined (TIOCGLTC)
+# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
+ RESET_SPECIAL (_rl_tty_chars.t_lnext);
+# endif /* VLNEXT && TERMIOS_TTY_DRIVER */
- if (ttybuff.flags & LTCHARS_SET)
- {
- int werase, nextc;
+# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
+ RESET_SPECIAL (_rl_tty_chars.t_werase);
+# endif /* VWERASE && TERMIOS_TTY_DRIVER */
+}
- werase = ttybuff.ltchars.t_werasc;
- nextc = ttybuff.ltchars.t_lnextc;
+#if defined (HANDLE_SIGNALS)
- if (werase != -1 && kmap[werase].type == ISFUNC)
- kmap[werase].function = rl_unix_word_rubout;
+#if defined (NEW_TTY_DRIVER) || defined (NO_TTY_DRIVER)
+int
+_rl_disable_tty_signals ()
+{
+ return 0;
+}
- if (nextc != -1 && kmap[nextc].type == ISFUNC)
- kmap[nextc].function = rl_quoted_insert;
- }
- }
-# endif /* TIOCGLTC */
+int
+_rl_restore_tty_signals ()
+{
+ return 0;
+}
+#else
-#else /* !NEW_TTY_DRIVER */
+static TIOTYPE sigstty, nosigstty;
+static int tty_sigs_disabled = 0;
- if (get_tty_settings (tty, &ttybuff) == 0)
- {
- unsigned char erase, kill;
+int
+_rl_disable_tty_signals ()
+{
+ if (tty_sigs_disabled)
+ return 0;
- erase = ttybuff.c_cc[VERASE];
- kill = ttybuff.c_cc[VKILL];
+ if (_get_tty_settings (fileno (rl_instream), &sigstty) < 0)
+ return -1;
- if (erase != (unsigned char)_POSIX_VDISABLE &&
- kmap[erase].type == ISFUNC)
- kmap[erase].function = rl_rubout;
+ nosigstty = sigstty;
- if (kill != (unsigned char)_POSIX_VDISABLE &&
- kmap[kill].type == ISFUNC)
- kmap[kill].function = rl_unix_line_discard;
+ nosigstty.c_lflag &= ~ISIG;
+ nosigstty.c_iflag &= ~IXON;
-# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
- {
- unsigned char nextc;
+ if (_set_tty_settings (fileno (rl_instream), &nosigstty) < 0)
+ return (_set_tty_settings (fileno (rl_instream), &sigstty));
- nextc = ttybuff.c_cc[VLNEXT];
+ tty_sigs_disabled = 1;
+ return 0;
+}
- if (nextc != (unsigned char)_POSIX_VDISABLE &&
- kmap[nextc].type == ISFUNC)
- kmap[nextc].function = rl_quoted_insert;
- }
-# endif /* VLNEXT && TERMIOS_TTY_DRIVER */
+int
+_rl_restore_tty_signals ()
+{
+ int r;
-# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
- {
- unsigned char werase;
+ if (tty_sigs_disabled == 0)
+ return 0;
- werase = ttybuff.c_cc[VWERASE];
+ r = _set_tty_settings (fileno (rl_instream), &sigstty);
- if (werase != (unsigned char)_POSIX_VDISABLE &&
- kmap[werase].type == ISFUNC)
- kmap[werase].function = rl_unix_word_rubout;
- }
-# endif /* VWERASE && TERMIOS_TTY_DRIVER */
- }
-#endif /* !NEW_TTY_DRIVER */
+ if (r == 0)
+ tty_sigs_disabled = 0;
+
+ return r;
}
-#endif /* !__GO32__ */
+#endif /* !NEW_TTY_DRIVER */
+
+#endif /* HANDLE_SIGNALS */
projects / thirdparty / binutils-gdb.git / blobdiff