diff options
Diffstat (limited to 'rltty.c')
| -rw-r--r-- | rltty.c | 149 |
1 files changed, 44 insertions, 105 deletions
@@ -3,23 +3,23 @@ /* 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) @@ -52,77 +52,10 @@ extern int 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 */ /* */ /* **************************************************************** */ @@ -204,8 +137,9 @@ 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; @@ -215,7 +149,8 @@ save_tty_chars (tiop) 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; @@ -268,7 +203,7 @@ set_tty_settings (tty, tiop) 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) @@ -302,7 +237,8 @@ prepare_terminal_settings (meta_flag, oldtio, tiop) 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. */ @@ -433,10 +369,10 @@ save_tty_chars (tiop) #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]; @@ -464,7 +400,7 @@ static void rltty_warning (msg) char *msg; { - fprintf (stderr, "readline: warning: %s\n", msg); + _rl_errmsg ("warning: %s", msg); } #endif @@ -475,7 +411,7 @@ TIOTYPE *tp; { 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; } } @@ -500,8 +436,8 @@ _get_tty_settings (tty, tiop) } 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 @@ -580,7 +516,8 @@ prepare_terminal_settings (meta_flag, oldtio, tiop) int meta_flag; TIOTYPE oldtio, *tiop; { - readline_echoing_p = (oldtio.c_lflag & ECHO); + _rl_echoing_p = (oldtio.c_lflag & ECHO); + _rl_echoctl = (oldtio.c_lflag & ECHOCTL); tiop->c_lflag &= ~(ICANON | ECHO); @@ -643,7 +580,7 @@ void rl_prep_terminal (meta_flag) int meta_flag; { - readline_echoing_p = 1; + _rl_echoing_p = 1; } void @@ -663,20 +600,22 @@ rl_prep_terminal (meta_flag) return; /* Try to keep this function from being INTerrupted. */ - block_sigint (); + _rl_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) + /* 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) + if (errno == ENOTTY || errno == EINVAL) #endif - readline_echoing_p = 1; /* XXX */ - release_sigint (); + _rl_echoing_p = 1; /* XXX */ + + _rl_release_sigint (); return; } @@ -711,7 +650,7 @@ rl_prep_terminal (meta_flag) if (set_tty_settings (tty, &tio) < 0) { - release_sigint (); + _rl_release_sigint (); return; } @@ -722,7 +661,7 @@ rl_prep_terminal (meta_flag) terminal_prepped = 1; RL_SETSTATE(RL_STATE_TERMPREPPED); - release_sigint (); + _rl_release_sigint (); } /* Restore the terminal's normal settings and modes. */ @@ -735,7 +674,7 @@ rl_deprep_terminal () return; /* Try to keep this function from being interrupted. */ - block_sigint (); + _rl_block_sigint (); tty = fileno (rl_instream); @@ -746,14 +685,14 @@ rl_deprep_terminal () 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 */ @@ -862,7 +801,7 @@ set_special_char (kmap, tiop, sc, func) } #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 |