diff options
Diffstat (limited to 'cmd-line-utils/readline/rltty.c')
| -rw-r--r-- | cmd-line-utils/readline/rltty.c | 1033 |
1 files changed, 0 insertions, 1033 deletions
diff --git a/cmd-line-utils/readline/rltty.c b/cmd-line-utils/readline/rltty.c deleted file mode 100644 index ca8caee7de7..00000000000 --- a/cmd-line-utils/readline/rltty.c +++ /dev/null @@ -1,1033 +0,0 @@ -/* rltty.c -- functions to prepare and restore the terminal for readline's - use. */ - -/* 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 2, 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 - 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, - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#define READLINE_LIBRARY - -#if defined (HAVE_CONFIG_H) -# include "config_readline.h" -#endif - -#include <sys/types.h> -#include <signal.h> -#include <errno.h> -#include <stdio.h> - -#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 */ - -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 */ -/* */ -/* **************************************************************** */ - -/* Non-zero means that the terminal is in a prepped state. */ -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; -#endif - -/* Dummy call to force a backgrounded readline to stop before it tries - to get the tty settings. */ -static void -set_winsize (int tty __attribute__((unused))) -{ -#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 - are valid. */ -#define SGTTY_SET 0x01 -#define LFLAG_SET 0x02 -#define TCHARS_SET 0x04 -#define LTCHARS_SET 0x08 - -struct bsdtty { - struct sgttyb sgttyb; /* Basic BSD tty driver information. */ - int lflag; /* Local mode flags, like LPASS8. */ -#if defined (TIOCGETC) - struct tchars tchars; /* Terminal special characters, including ^S and ^Q. */ -#endif -#if defined (TIOCGLTC) - struct ltchars ltchars; /* 4.2 BSD editing characters */ -#endif - int flags; /* Bitmap saying which parts of the struct are valid. */ -}; - -#define TIOTYPE 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 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; - - errno = 0; - if (ioctl (tty, TIOCGETP, &(tiop->sgttyb)) < 0) - return -1; - tiop->flags |= SGTTY_SET; - -#if defined (TIOCLGET) - if (ioctl (tty, TIOCLGET, &(tiop->lflag)) == 0) - tiop->flags |= LFLAG_SET; -#endif - -#if defined (TIOCGETC) - if (ioctl (tty, TIOCGETC, &(tiop->tchars)) == 0) - tiop->flags |= TCHARS_SET; -#endif - -#if defined (TIOCGLTC) - 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; -{ - if (tiop->flags & SGTTY_SET) - { - ioctl (tty, TIOCSETN, &(tiop->sgttyb)); - tiop->flags &= ~SGTTY_SET; - } - readline_echoing_p = 1; - -#if defined (TIOCLSET) - if (tiop->flags & LFLAG_SET) - { - ioctl (tty, TIOCLSET, &(tiop->lflag)); - tiop->flags &= ~LFLAG_SET; - } -#endif - -#if defined (TIOCSETC) - if (tiop->flags & TCHARS_SET) - { - ioctl (tty, TIOCSETC, &(tiop->tchars)); - tiop->flags &= ~TCHARS_SET; - } -#endif - -#if defined (TIOCSLTC) - if (tiop->flags & LTCHARS_SET) - { - ioctl (tty, TIOCSLTC, &(tiop->ltchars)); - tiop->flags &= ~LTCHARS_SET; - } -#endif - - return 0; -} - -static void -prepare_terminal_settings (meta_flag, oldtio, tiop) - int meta_flag; - TIOTYPE oldtio, *tiop; -{ - 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 = oldtio.sgttyb; - tiop->lflag = oldtio.lflag; -#if defined (TIOCGETC) - tiop->tchars = oldtio.tchars; -#endif -#if defined (TIOCGLTC) - tiop->ltchars = oldtio.ltchars; -#endif - tiop->flags = oldtio.flags; - - /* First, the basic settings to put us into character-at-a-time, no-echo - input mode. */ - tiop->sgttyb.sg_flags &= ~(ECHO | CRMOD); - tiop->sgttyb.sg_flags |= CBREAK; - - /* If this terminal doesn't care how the 8th bit is used, then we can - use it for the meta-key. If only one of even or odd parity is - specified, then the terminal is using parity, and we cannot. */ -#if !defined (ANYP) -# define ANYP (EVENP | ODDP) -#endif - if (((oldtio.sgttyb.sg_flags & ANYP) == ANYP) || - ((oldtio.sgttyb.sg_flags & ANYP) == 0)) - { - tiop->sgttyb.sg_flags |= ANYP; - - /* Hack on local mode flags if we can. */ -#if defined (TIOCLGET) -# if defined (LPASS8) - tiop->lflag |= LPASS8; -# endif /* LPASS8 */ -#endif /* TIOCLGET */ - } - -#if defined (TIOCGETC) -# if defined (USE_XON_XOFF) - /* Get rid of terminal output start and stop characters. */ - tiop->tchars.t_stopc = -1; /* C-s */ - tiop->tchars.t_startc = -1; /* C-q */ - - /* If there is an XON character, bind it to restart the 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 (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->tchars.t_quitc = -1; /* C-\ */ - tiop->tchars.t_intrc = -1; /* C-c */ -# endif /* NO_KILL_INTR */ -#endif /* TIOCGETC */ - -#if defined (TIOCGLTC) - /* Make the interrupt keys go away. Just enough to make people happy. */ - tiop->ltchars.t_dsuspc = -1; /* C-y */ - tiop->ltchars.t_lnextc = -1; /* C-v */ -#endif /* TIOCGLTC */ -} - -#else /* !defined (NEW_TTY_DRIVER) */ - -#if !defined (VMIN) -# define VMIN VEOF -#endif - -#if !defined (VTIME) -# define VTIME VEOL -#endif - -#if defined (TERMIOS_TTY_DRIVER) -# define TIOTYPE struct termios -# define DRAIN_OUTPUT(fd) tcdrain (fd) -# define GETATTR(tty, tiop) (tcgetattr (tty, 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, 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) - int tty; - TIOTYPE *tiop; -{ - int ioctl_ret; - - while (1) - { - 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 -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; -{ - while (SETATTR (tty, tiop) < 0) - { - if (errno != EINTR) - 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) -# if defined (__ksr1__) - if (ksrflow) - { - ksrflow = 0; - tcflow (tty, TCOON); - } -# else /* !ksr1 */ - tcflow (tty, TCOON); /* Simulate a ^Q. */ -# endif /* !ksr1 */ -#else - ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */ -#endif /* !TERMIOS_TTY_DRIVER */ - -#endif /* 0 */ - - return 0; -} - -static void -prepare_terminal_settings (meta_flag, oldtio, tiop) - int meta_flag; - TIOTYPE oldtio, *tiop; -{ - readline_echoing_p = (oldtio.c_lflag & ECHO); - - tiop->c_lflag &= ~(ICANON | ECHO); - - 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_iflag &= ~(IXON | IXOFF | IXANY); -#else - /* `strict' Posix systems do not define IXANY. */ - tiop->c_iflag &= ~(IXON | IXOFF); -#endif /* IXANY */ -#endif /* USE_XON_XOFF */ - - /* Only turn this off if we are using all 8 bits. */ - if (((tiop->c_cflag & CSIZE) == CS8) || meta_flag) - tiop->c_iflag &= ~(ISTRIP | INPCK); - - /* Make sure we differentiate between CR and NL on input. */ - tiop->c_iflag &= ~(ICRNL | INLCR); - -#if !defined (HANDLE_SIGNALS) - tiop->c_lflag &= ~ISIG; -#else - tiop->c_lflag |= ISIG; -#endif - - 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. */ -#if defined (TERMIOS_TTY_DRIVER) && defined (_POSIX_VDISABLE) - -#if defined (VLNEXT) - tiop->c_cc[VLNEXT] = _POSIX_VDISABLE; -#endif - -#if defined (VDSUSP) - tiop->c_cc[VDSUSP] = _POSIX_VDISABLE; -#endif - -#endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */ -} -#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; -{ - 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) - return; - - /* 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) - { - release_sigint (); - return; - } - - if (_rl_enable_keypad) - _rl_control_keypad (1); - - fflush (rl_outstream); - terminal_prepped = 1; - RL_SETSTATE(RL_STATE_TERMPREPPED); - - release_sigint (); -} - -/* Restore the terminal's normal settings and modes. */ -void -rl_deprep_terminal () -{ - int tty; - - if (!terminal_prepped) - return; - - /* 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; - } - - terminal_prepped = 0; - RL_UNSETSTATE(RL_STATE_TERMPREPPED); - - release_sigint (); -} -#endif /* !NO_TTY_DRIVER */ - -/* **************************************************************** */ -/* */ -/* Bogus Flow Control */ -/* */ -/* **************************************************************** */ - -int -rl_restart_output (count, key) - int count __attribute__((unused)), key __attribute__((unused)); -{ -#if defined (__MINGW32__) - return 0; -#else /* !__MING32__ */ - - int fildes = fileno (rl_outstream); -#if defined (TIOCSTART) -#if defined (apollo) - ioctl (&fildes, TIOCSTART, 0); -#else - ioctl (fildes, TIOCSTART, 0); -#endif /* apollo */ - -#else /* !TIOCSTART */ -# if defined (TERMIOS_TTY_DRIVER) -# if defined (__ksr1__) - if (ksrflow) - { - ksrflow = 0; - tcflow (fildes, TCOON); - } -# else /* !ksr1 */ - tcflow (fildes, TCOON); /* Simulate a ^Q. */ -# endif /* !ksr1 */ -# else /* !TERMIOS_TTY_DRIVER */ -# if defined (TCXONC) - ioctl (fildes, TCXONC, TCOON); -# endif /* TCXONC */ -# endif /* !TERMIOS_TTY_DRIVER */ -#endif /* !TIOCSTART */ - - return 0; -#endif /* !__MINGW32__ */ -} - -int -rl_stop_output (count, key) - int count __attribute__((unused)), key __attribute__((unused)); -{ -#if defined (__MINGW32__) - return 0; -#else - - int fildes = fileno (rl_instream); - -#if defined (TIOCSTOP) -# if defined (apollo) - ioctl (&fildes, TIOCSTOP, 0); -# else - ioctl (fildes, TIOCSTOP, 0); -# endif /* apollo */ -#else /* !TIOCSTOP */ -# if defined (TERMIOS_TTY_DRIVER) -# if defined (__ksr1__) - ksrflow = 1; -# endif /* ksr1 */ - tcflow (fildes, TCOOFF); -# else -# if defined (TCXONC) - ioctl (fildes, TCXONC, TCOON); -# endif /* TCXONC */ -# endif /* !TERMIOS_TTY_DRIVER */ -#endif /* !TIOCSTOP */ - - return 0; -#endif /* !__MINGW32__ */ -} - -/* **************************************************************** */ -/* */ -/* Default Key Bindings */ -/* */ -/* **************************************************************** */ - -#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; - - 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 - equivalents. */ -void -rl_tty_set_default_bindings (kmap) - Keymap kmap; -{ - rltty_set_default_bindings (kmap); -} - -/* 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; - - RESET_SPECIAL (_rl_tty_chars.t_erase); - RESET_SPECIAL (_rl_tty_chars.t_kill); - -# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER) - RESET_SPECIAL (_rl_tty_chars.t_lnext); -# endif /* VLNEXT && TERMIOS_TTY_DRIVER */ - -# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER) - RESET_SPECIAL (_rl_tty_chars.t_werase); -# endif /* VWERASE && TERMIOS_TTY_DRIVER */ -} - -#if defined (HANDLE_SIGNALS) - -#if defined (NEW_TTY_DRIVER) || defined (NO_TTY_DRIVER) -int -_rl_disable_tty_signals () -{ - return 0; -} - -int -_rl_restore_tty_signals () -{ - return 0; -} -#else - -static TIOTYPE sigstty, nosigstty; -static int tty_sigs_disabled = 0; - -int -_rl_disable_tty_signals () -{ - if (tty_sigs_disabled) - return 0; - - if (_get_tty_settings (fileno (rl_instream), &sigstty) < 0) - return -1; - - 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)); - - tty_sigs_disabled = 1; - return 0; -} - -int -_rl_restore_tty_signals () -{ - int r; - - if (tty_sigs_disabled == 0) - return 0; - - r = _set_tty_settings (fileno (rl_instream), &sigstty); - - if (r == 0) - tty_sigs_disabled = 0; - - return r; -} -#endif /* !NEW_TTY_DRIVER */ - -#endif /* HANDLE_SIGNALS */ |