/* 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.
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
+ as published by the Free Software Foundation; either version 2, or
(at your option) any later version.
The GNU Readline Library is distributed in the hope that it will be
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"
+ 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#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;
+
+static void block_sigint PARAMS((void));
+static void release_sigint PARAMS((void));
-#if defined (__GO32__)
-# include <sys/pc.h>
-# undef HANDLE_SIGNALS
-#endif /* __GO32__ */
+static void set_winsize PARAMS((int));
/* **************************************************************** */
/* */
# endif /* HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
-static int sigint_blocked = 0;
+static int sigint_blocked;
/* Cause SIGINT to not be delivered until the corresponding call to
release_sigint(). */
# endif /* HAVE_USG_SIGHOLD */
# endif /* !HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
+
sigint_blocked = 1;
}
static void
release_sigint ()
{
- if (!sigint_blocked)
+ if (sigint_blocked == 0)
return;
#if defined (HAVE_POSIX_SIGNALS)
sigint_blocked = 0;
}
-\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;
+static int terminal_prepped;
+
+static _RL_TTY_CHARS _rl_tty_chars, _rl_last_tty_chars;
/* If non-zero, means that this process has called tcflow(fd, TCOOFF)
and output is suspended. */
#if defined (__ksr1__)
-static int ksrflow = 0;
+static int ksrflow;
#endif
-#if defined (NEW_TTY_DRIVER)
+
+/* Dummy call to force a backgrounded readline to stop before it tries
+ to get the tty settings. */
+static void
+set_winsize (tty)
+ int tty;
+{
+#if defined (TIOCGWINSZ)
+ struct winsize w;
+
+ if (ioctl (tty, TIOCGWINSZ, &w) == 0)
+ (void) ioctl (tty, TIOCSWINSZ, &w);
+#endif /* TIOCGWINSZ */
+}
+
+#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_tty_chars.t_intr = tiop->tchars.t_intrc;
+ _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_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;
}
+ readline_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);
+ 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. */
#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_tty_chars.t_intr = tiop->c_cc[VINTR];
+ _rl_tty_chars.t_quit = tiop->c_cc[VQUIT];
+#ifdef VSUSP
+ _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;
+{
+ fprintf (stderr, "readline: warning: %s\n", msg);
+}
+#endif
+
+#if defined (_AIX)
+void
+setopost(tp)
+TIOTYPE *tp;
+{
+ if ((tp->c_oflag & OPOST) == 0)
+ {
+ rltty_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) && defined (_AIX41)
+ rltty_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);
+ 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)
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;
{
-#if !defined (__GO32__)
- int tty = fileno (rl_instream);
+ readline_echoing_p = 1;
+}
+
+void
+rl_deprep_terminal ()
+{
+}
+
+#else /* ! NO_TTY_DRIVER */
+void
+rl_prep_terminal (meta_flag)
+ int meta_flag;
+{
+ int tty;
TIOTYPE tio;
if (terminal_prepped)
/* Try to keep this function from being INTerrupted. */
block_sigint ();
+ tty = fileno (rl_instream);
+
if (get_tty_settings (tty, &tio) < 0)
{
+#if defined (ENOTSUP)
+ /* MacOS X, at least, lies about the value of errno if tcgetattr fails. */
+ if (errno == ENOTTY || errno == ENOTSUP)
+#else
+ if (errno == ENOTTY)
+#endif
+ readline_echoing_p = 1; /* XXX */
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)
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__ */
}
/* 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. */
+ /* Try to keep this function from being interrupted. */
block_sigint ();
+ tty = fileno (rl_instream);
+
+ if (_rl_enable_keypad)
+ _rl_control_keypad (0);
+
+ fflush (rl_outstream);
+
if (set_tty_settings (tty, &otio) < 0)
{
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__ */
}
+#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;
+ static int called = 0;
-#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 / external / binutils.git / blobdiff