Commit | Line | Data |
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d60d9f65 SS |
1 | /* rltty.c -- functions to prepare and restore the terminal for readline's |
2 | use. */ | |
3 | ||
4 | /* Copyright (C) 1992 Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of the GNU Readline Library, a library for | |
7 | reading lines of text with interactive input and history editing. | |
8 | ||
9 | The GNU Readline Library is free software; you can redistribute it | |
10 | and/or modify it under the terms of the GNU General Public License | |
11 | as published by the Free Software Foundation; either version 1, or | |
12 | (at your option) any later version. | |
13 | ||
14 | The GNU Readline Library is distributed in the hope that it will be | |
15 | useful, but WITHOUT ANY WARRANTY; without even the implied warranty | |
16 | of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | The GNU General Public License is often shipped with GNU software, and | |
20 | is generally kept in a file called COPYING or LICENSE. If you do not | |
21 | have a copy of the license, write to the Free Software Foundation, | |
22 | 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
23 | #define READLINE_LIBRARY | |
24 | ||
25 | #if defined (HAVE_CONFIG_H) | |
26 | # include <config.h> | |
27 | #endif | |
28 | ||
29 | #include <sys/types.h> | |
30 | #include <signal.h> | |
31 | #include <errno.h> | |
32 | #include <stdio.h> | |
33 | ||
34 | #if defined (HAVE_UNISTD_H) | |
35 | # include <unistd.h> | |
36 | #endif /* HAVE_UNISTD_H */ | |
37 | ||
38 | #include "rldefs.h" | |
39 | ||
c862e87b | 40 | #if defined (GWINSZ_IN_SYS_IOCTL) |
d60d9f65 | 41 | # include <sys/ioctl.h> |
c862e87b | 42 | #endif /* GWINSZ_IN_SYS_IOCTL */ |
d60d9f65 SS |
43 | |
44 | #include "rltty.h" | |
45 | #include "readline.h" | |
46 | ||
47 | #if !defined (errno) | |
48 | extern int errno; | |
49 | #endif /* !errno */ | |
50 | ||
51 | extern int readline_echoing_p; | |
52 | extern int _rl_eof_char; | |
53 | ||
54 | extern int _rl_enable_keypad, _rl_enable_meta; | |
55 | ||
56 | extern void _rl_control_keypad (); | |
57 | ||
58 | #if defined (__GO32__) | |
59 | # include <pc.h> | |
410913b1 EZ |
60 | # if !defined (__DJGPP__) |
61 | # undef HANDLE_SIGNALS | |
62 | # endif /* !__DJGPP__ */ | |
d60d9f65 SS |
63 | #endif /* __GO32__ */ |
64 | ||
65 | /* Indirect functions to allow apps control over terminal management. */ | |
66 | extern void rl_prep_terminal (), rl_deprep_terminal (); | |
67 | ||
68 | VFunction *rl_prep_term_function = rl_prep_terminal; | |
69 | VFunction *rl_deprep_term_function = rl_deprep_terminal; | |
70 | ||
71 | /* **************************************************************** */ | |
72 | /* */ | |
73 | /* Signal Management */ | |
74 | /* */ | |
75 | /* **************************************************************** */ | |
76 | ||
77 | #if defined (HAVE_POSIX_SIGNALS) | |
78 | static sigset_t sigint_set, sigint_oset; | |
79 | #else /* !HAVE_POSIX_SIGNALS */ | |
80 | # if defined (HAVE_BSD_SIGNALS) | |
81 | static int sigint_oldmask; | |
82 | # endif /* HAVE_BSD_SIGNALS */ | |
83 | #endif /* !HAVE_POSIX_SIGNALS */ | |
84 | ||
85 | static int sigint_blocked; | |
86 | ||
87 | /* Cause SIGINT to not be delivered until the corresponding call to | |
88 | release_sigint(). */ | |
89 | static void | |
90 | block_sigint () | |
91 | { | |
92 | if (sigint_blocked) | |
93 | return; | |
94 | ||
95 | #if defined (HAVE_POSIX_SIGNALS) | |
96 | sigemptyset (&sigint_set); | |
97 | sigemptyset (&sigint_oset); | |
98 | sigaddset (&sigint_set, SIGINT); | |
99 | sigprocmask (SIG_BLOCK, &sigint_set, &sigint_oset); | |
100 | #else /* !HAVE_POSIX_SIGNALS */ | |
101 | # if defined (HAVE_BSD_SIGNALS) | |
102 | sigint_oldmask = sigblock (sigmask (SIGINT)); | |
103 | # else /* !HAVE_BSD_SIGNALS */ | |
104 | # if defined (HAVE_USG_SIGHOLD) | |
105 | sighold (SIGINT); | |
106 | # endif /* HAVE_USG_SIGHOLD */ | |
107 | # endif /* !HAVE_BSD_SIGNALS */ | |
108 | #endif /* !HAVE_POSIX_SIGNALS */ | |
109 | sigint_blocked = 1; | |
110 | } | |
111 | ||
112 | /* Allow SIGINT to be delivered. */ | |
113 | static void | |
114 | release_sigint () | |
115 | { | |
116 | if (!sigint_blocked) | |
117 | return; | |
118 | ||
119 | #if defined (HAVE_POSIX_SIGNALS) | |
120 | sigprocmask (SIG_SETMASK, &sigint_oset, (sigset_t *)NULL); | |
121 | #else | |
122 | # if defined (HAVE_BSD_SIGNALS) | |
123 | sigsetmask (sigint_oldmask); | |
124 | # else /* !HAVE_BSD_SIGNALS */ | |
125 | # if defined (HAVE_USG_SIGHOLD) | |
126 | sigrelse (SIGINT); | |
127 | # endif /* HAVE_USG_SIGHOLD */ | |
128 | # endif /* !HAVE_BSD_SIGNALS */ | |
129 | #endif /* !HAVE_POSIX_SIGNALS */ | |
130 | ||
131 | sigint_blocked = 0; | |
132 | } | |
133 | ||
134 | /* **************************************************************** */ | |
135 | /* */ | |
136 | /* Saving and Restoring the TTY */ | |
137 | /* */ | |
138 | /* **************************************************************** */ | |
139 | ||
140 | /* Non-zero means that the terminal is in a prepped state. */ | |
141 | static int terminal_prepped; | |
142 | ||
143 | /* If non-zero, means that this process has called tcflow(fd, TCOOFF) | |
144 | and output is suspended. */ | |
145 | #if defined (__ksr1__) | |
146 | static int ksrflow; | |
147 | #endif | |
148 | ||
c862e87b | 149 | #if defined (TIOCGWINSZ) |
d60d9f65 SS |
150 | /* Dummy call to force a backgrounded readline to stop before it tries |
151 | to get the tty settings. */ | |
152 | static void | |
153 | set_winsize (tty) | |
154 | int tty; | |
155 | { | |
156 | struct winsize w; | |
157 | ||
158 | if (ioctl (tty, TIOCGWINSZ, &w) == 0) | |
159 | (void) ioctl (tty, TIOCSWINSZ, &w); | |
160 | } | |
c862e87b | 161 | #endif /* TIOCGWINSZ */ |
d60d9f65 SS |
162 | |
163 | #if defined (NEW_TTY_DRIVER) | |
164 | ||
165 | /* Values for the `flags' field of a struct bsdtty. This tells which | |
166 | elements of the struct bsdtty have been fetched from the system and | |
167 | are valid. */ | |
168 | #define SGTTY_SET 0x01 | |
169 | #define LFLAG_SET 0x02 | |
170 | #define TCHARS_SET 0x04 | |
171 | #define LTCHARS_SET 0x08 | |
172 | ||
173 | struct bsdtty { | |
174 | struct sgttyb sgttyb; /* Basic BSD tty driver information. */ | |
175 | int lflag; /* Local mode flags, like LPASS8. */ | |
176 | #if defined (TIOCGETC) | |
177 | struct tchars tchars; /* Terminal special characters, including ^S and ^Q. */ | |
178 | #endif | |
179 | #if defined (TIOCGLTC) | |
180 | struct ltchars ltchars; /* 4.2 BSD editing characters */ | |
181 | #endif | |
182 | int flags; /* Bitmap saying which parts of the struct are valid. */ | |
183 | }; | |
184 | ||
185 | #define TIOTYPE struct bsdtty | |
186 | ||
187 | static TIOTYPE otio; | |
188 | ||
189 | static int | |
190 | get_tty_settings (tty, tiop) | |
191 | int tty; | |
192 | TIOTYPE *tiop; | |
193 | { | |
d1857004 | 194 | #if defined (TIOCGWINSZ) |
d60d9f65 | 195 | set_winsize (tty); |
d1857004 | 196 | #endif |
d60d9f65 SS |
197 | |
198 | tiop->flags = tiop->lflag = 0; | |
199 | ||
200 | ioctl (tty, TIOCGETP, &(tiop->sgttyb)); | |
201 | tiop->flags |= SGTTY_SET; | |
202 | ||
203 | #if defined (TIOCLGET) | |
204 | ioctl (tty, TIOCLGET, &(tiop->lflag)); | |
205 | tiop->flags |= LFLAG_SET; | |
206 | #endif | |
207 | ||
208 | #if defined (TIOCGETC) | |
209 | ioctl (tty, TIOCGETC, &(tiop->tchars)); | |
210 | tiop->flags |= TCHARS_SET; | |
211 | #endif | |
212 | ||
213 | #if defined (TIOCGLTC) | |
214 | ioctl (tty, TIOCGLTC, &(tiop->ltchars)); | |
215 | tiop->flags |= LTCHARS_SET; | |
216 | #endif | |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
221 | static int | |
222 | set_tty_settings (tty, tiop) | |
223 | int tty; | |
224 | TIOTYPE *tiop; | |
225 | { | |
226 | if (tiop->flags & SGTTY_SET) | |
227 | { | |
228 | ioctl (tty, TIOCSETN, &(tiop->sgttyb)); | |
229 | tiop->flags &= ~SGTTY_SET; | |
230 | } | |
231 | readline_echoing_p = 1; | |
232 | ||
233 | #if defined (TIOCLSET) | |
234 | if (tiop->flags & LFLAG_SET) | |
235 | { | |
236 | ioctl (tty, TIOCLSET, &(tiop->lflag)); | |
237 | tiop->flags &= ~LFLAG_SET; | |
238 | } | |
239 | #endif | |
240 | ||
241 | #if defined (TIOCSETC) | |
242 | if (tiop->flags & TCHARS_SET) | |
243 | { | |
244 | ioctl (tty, TIOCSETC, &(tiop->tchars)); | |
245 | tiop->flags &= ~TCHARS_SET; | |
246 | } | |
247 | #endif | |
248 | ||
249 | #if defined (TIOCSLTC) | |
250 | if (tiop->flags & LTCHARS_SET) | |
251 | { | |
252 | ioctl (tty, TIOCSLTC, &(tiop->ltchars)); | |
253 | tiop->flags &= ~LTCHARS_SET; | |
254 | } | |
255 | #endif | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | static void | |
261 | prepare_terminal_settings (meta_flag, otio, tiop) | |
262 | int meta_flag; | |
263 | TIOTYPE otio, *tiop; | |
264 | { | |
410913b1 | 265 | #if !defined (__GO32__) || defined (HAVE_TERMIOS_H) |
d60d9f65 SS |
266 | readline_echoing_p = (otio.sgttyb.sg_flags & ECHO); |
267 | ||
268 | /* Copy the original settings to the structure we're going to use for | |
269 | our settings. */ | |
270 | tiop->sgttyb = otio.sgttyb; | |
271 | tiop->lflag = otio.lflag; | |
272 | #if defined (TIOCGETC) | |
273 | tiop->tchars = otio.tchars; | |
274 | #endif | |
275 | #if defined (TIOCGLTC) | |
276 | tiop->ltchars = otio.ltchars; | |
277 | #endif | |
278 | tiop->flags = otio.flags; | |
279 | ||
280 | /* First, the basic settings to put us into character-at-a-time, no-echo | |
281 | input mode. */ | |
282 | tiop->sgttyb.sg_flags &= ~(ECHO | CRMOD); | |
283 | tiop->sgttyb.sg_flags |= CBREAK; | |
284 | ||
285 | /* If this terminal doesn't care how the 8th bit is used, then we can | |
286 | use it for the meta-key. If only one of even or odd parity is | |
287 | specified, then the terminal is using parity, and we cannot. */ | |
288 | #if !defined (ANYP) | |
289 | # define ANYP (EVENP | ODDP) | |
290 | #endif | |
291 | if (((otio.sgttyb.sg_flags & ANYP) == ANYP) || | |
292 | ((otio.sgttyb.sg_flags & ANYP) == 0)) | |
293 | { | |
294 | tiop->sgttyb.sg_flags |= ANYP; | |
295 | ||
296 | /* Hack on local mode flags if we can. */ | |
297 | #if defined (TIOCLGET) | |
298 | # if defined (LPASS8) | |
299 | tiop->lflag |= LPASS8; | |
300 | # endif /* LPASS8 */ | |
301 | #endif /* TIOCLGET */ | |
302 | } | |
303 | ||
304 | #if defined (TIOCGETC) | |
305 | # if defined (USE_XON_XOFF) | |
306 | /* Get rid of terminal output start and stop characters. */ | |
307 | tiop->tchars.t_stopc = -1; /* C-s */ | |
308 | tiop->tchars.t_startc = -1; /* C-q */ | |
309 | ||
310 | /* If there is an XON character, bind it to restart the output. */ | |
311 | if (otio.tchars.t_startc != -1) | |
312 | rl_bind_key (otio.tchars.t_startc, rl_restart_output); | |
313 | # endif /* USE_XON_XOFF */ | |
314 | ||
315 | /* If there is an EOF char, bind _rl_eof_char to it. */ | |
316 | if (otio.tchars.t_eofc != -1) | |
317 | _rl_eof_char = otio.tchars.t_eofc; | |
318 | ||
319 | # if defined (NO_KILL_INTR) | |
320 | /* Get rid of terminal-generated SIGQUIT and SIGINT. */ | |
321 | tiop->tchars.t_quitc = -1; /* C-\ */ | |
322 | tiop->tchars.t_intrc = -1; /* C-c */ | |
323 | # endif /* NO_KILL_INTR */ | |
324 | #endif /* TIOCGETC */ | |
325 | ||
326 | #if defined (TIOCGLTC) | |
327 | /* Make the interrupt keys go away. Just enough to make people happy. */ | |
328 | tiop->ltchars.t_dsuspc = -1; /* C-y */ | |
329 | tiop->ltchars.t_lnextc = -1; /* C-v */ | |
330 | #endif /* TIOCGLTC */ | |
410913b1 | 331 | #endif /* !__GO32__ || HAVE_TERMIOS_H */ |
d60d9f65 SS |
332 | } |
333 | ||
334 | #else /* !defined (NEW_TTY_DRIVER) */ | |
335 | ||
336 | #if !defined (VMIN) | |
337 | # define VMIN VEOF | |
338 | #endif | |
339 | ||
340 | #if !defined (VTIME) | |
341 | # define VTIME VEOL | |
342 | #endif | |
343 | ||
344 | #if defined (TERMIOS_TTY_DRIVER) | |
345 | # define TIOTYPE struct termios | |
346 | # define DRAIN_OUTPUT(fd) tcdrain (fd) | |
347 | # define GETATTR(tty, tiop) (tcgetattr (tty, tiop)) | |
348 | # ifdef M_UNIX | |
349 | # define SETATTR(tty, tiop) (tcsetattr (tty, TCSANOW, tiop)) | |
350 | # else | |
351 | # define SETATTR(tty, tiop) (tcsetattr (tty, TCSADRAIN, tiop)) | |
352 | # endif /* !M_UNIX */ | |
353 | #else | |
354 | # define TIOTYPE struct termio | |
355 | # define DRAIN_OUTPUT(fd) | |
356 | # define GETATTR(tty, tiop) (ioctl (tty, TCGETA, tiop)) | |
357 | # define SETATTR(tty, tiop) (ioctl (tty, TCSETA, tiop)) | |
358 | #endif /* !TERMIOS_TTY_DRIVER */ | |
359 | ||
360 | static TIOTYPE otio; | |
361 | ||
362 | #if defined (FLUSHO) | |
363 | # define OUTPUT_BEING_FLUSHED(tp) (tp->c_lflag & FLUSHO) | |
364 | #else | |
365 | # define OUTPUT_BEING_FLUSHED(tp) 0 | |
366 | #endif | |
367 | ||
368 | static void | |
369 | rltty_warning (msg) | |
370 | char *msg; | |
371 | { | |
372 | fprintf (stderr, "readline: warning: %s\n", msg); | |
373 | } | |
374 | ||
375 | #if defined (_AIX) | |
376 | void | |
377 | setopost(tp) | |
378 | TIOTYPE *tp; | |
379 | { | |
380 | if ((tp->c_oflag & OPOST) == 0) | |
381 | { | |
382 | rltty_warning ("turning on OPOST for terminal\r"); | |
383 | tp->c_oflag |= OPOST|ONLCR; | |
384 | } | |
385 | } | |
386 | #endif | |
387 | ||
388 | static int | |
389 | get_tty_settings (tty, tiop) | |
390 | int tty; | |
391 | TIOTYPE *tiop; | |
392 | { | |
393 | int ioctl_ret; | |
c862e87b | 394 | |
d1857004 | 395 | #if defined (TIOCGWINSZ) |
d60d9f65 | 396 | set_winsize (tty); |
d1857004 | 397 | #endif |
d60d9f65 SS |
398 | |
399 | while (1) | |
400 | { | |
401 | ioctl_ret = GETATTR (tty, tiop); | |
402 | if (ioctl_ret < 0) | |
403 | { | |
404 | if (errno != EINTR) | |
405 | return -1; | |
406 | else | |
407 | continue; | |
408 | } | |
409 | if (OUTPUT_BEING_FLUSHED (tiop)) | |
410 | { | |
411 | #if defined (FLUSHO) && defined (_AIX41) | |
412 | rltty_warning ("turning off output flushing"); | |
413 | tiop->c_lflag &= ~FLUSHO; | |
414 | break; | |
415 | #else | |
416 | continue; | |
417 | #endif | |
418 | } | |
419 | break; | |
420 | } | |
421 | ||
422 | #if defined (_AIX) | |
423 | setopost(tiop); | |
424 | #endif | |
425 | ||
426 | return 0; | |
427 | } | |
428 | ||
429 | static int | |
430 | set_tty_settings (tty, tiop) | |
431 | int tty; | |
432 | TIOTYPE *tiop; | |
433 | { | |
434 | while (SETATTR (tty, tiop) < 0) | |
435 | { | |
436 | if (errno != EINTR) | |
437 | return -1; | |
438 | errno = 0; | |
439 | } | |
440 | ||
441 | #if 0 | |
442 | ||
443 | #if defined (TERMIOS_TTY_DRIVER) | |
444 | # if defined (__ksr1__) | |
445 | if (ksrflow) | |
446 | { | |
447 | ksrflow = 0; | |
448 | tcflow (tty, TCOON); | |
449 | } | |
450 | # else /* !ksr1 */ | |
451 | tcflow (tty, TCOON); /* Simulate a ^Q. */ | |
452 | # endif /* !ksr1 */ | |
453 | #else | |
454 | ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */ | |
455 | #endif /* !TERMIOS_TTY_DRIVER */ | |
456 | ||
457 | #endif | |
458 | ||
459 | return 0; | |
460 | } | |
461 | ||
462 | static void | |
463 | prepare_terminal_settings (meta_flag, otio, tiop) | |
464 | int meta_flag; | |
465 | TIOTYPE otio, *tiop; | |
466 | { | |
467 | readline_echoing_p = (otio.c_lflag & ECHO); | |
468 | ||
469 | tiop->c_lflag &= ~(ICANON | ECHO); | |
470 | ||
471 | if ((unsigned char) otio.c_cc[VEOF] != (unsigned char) _POSIX_VDISABLE) | |
472 | _rl_eof_char = otio.c_cc[VEOF]; | |
473 | ||
474 | #if defined (USE_XON_XOFF) | |
475 | #if defined (IXANY) | |
476 | tiop->c_iflag &= ~(IXON | IXOFF | IXANY); | |
477 | #else | |
478 | /* `strict' Posix systems do not define IXANY. */ | |
479 | tiop->c_iflag &= ~(IXON | IXOFF); | |
480 | #endif /* IXANY */ | |
481 | #endif /* USE_XON_XOFF */ | |
482 | ||
483 | /* Only turn this off if we are using all 8 bits. */ | |
484 | if (((tiop->c_cflag & CSIZE) == CS8) || meta_flag) | |
485 | tiop->c_iflag &= ~(ISTRIP | INPCK); | |
486 | ||
487 | /* Make sure we differentiate between CR and NL on input. */ | |
488 | tiop->c_iflag &= ~(ICRNL | INLCR); | |
489 | ||
490 | #if !defined (HANDLE_SIGNALS) | |
491 | tiop->c_lflag &= ~ISIG; | |
492 | #else | |
493 | tiop->c_lflag |= ISIG; | |
494 | #endif | |
495 | ||
496 | tiop->c_cc[VMIN] = 1; | |
497 | tiop->c_cc[VTIME] = 0; | |
498 | ||
499 | #if defined (FLUSHO) | |
500 | if (OUTPUT_BEING_FLUSHED (tiop)) | |
501 | { | |
502 | tiop->c_lflag &= ~FLUSHO; | |
503 | otio.c_lflag &= ~FLUSHO; | |
504 | } | |
505 | #endif | |
506 | ||
507 | /* Turn off characters that we need on Posix systems with job control, | |
508 | just to be sure. This includes ^Y and ^V. This should not really | |
509 | be necessary. */ | |
510 | #if defined (TERMIOS_TTY_DRIVER) && defined (_POSIX_VDISABLE) | |
511 | ||
512 | #if defined (VLNEXT) | |
513 | tiop->c_cc[VLNEXT] = _POSIX_VDISABLE; | |
514 | #endif | |
515 | ||
516 | #if defined (VDSUSP) | |
517 | tiop->c_cc[VDSUSP] = _POSIX_VDISABLE; | |
518 | #endif | |
519 | ||
520 | #endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */ | |
521 | } | |
522 | #endif /* NEW_TTY_DRIVER */ | |
523 | ||
524 | /* Put the terminal in CBREAK mode so that we can detect key presses. */ | |
525 | void | |
526 | rl_prep_terminal (meta_flag) | |
527 | int meta_flag; | |
528 | { | |
410913b1 | 529 | #if !defined (__GO32__) || defined (HAVE_TERMIOS_H) |
d60d9f65 SS |
530 | int tty; |
531 | TIOTYPE tio; | |
532 | ||
533 | if (terminal_prepped) | |
534 | return; | |
535 | ||
536 | /* Try to keep this function from being INTerrupted. */ | |
537 | block_sigint (); | |
538 | ||
539 | tty = fileno (rl_instream); | |
540 | ||
541 | if (get_tty_settings (tty, &tio) < 0) | |
542 | { | |
543 | release_sigint (); | |
544 | return; | |
545 | } | |
546 | ||
547 | otio = tio; | |
548 | ||
549 | prepare_terminal_settings (meta_flag, otio, &tio); | |
550 | ||
551 | if (set_tty_settings (tty, &tio) < 0) | |
552 | { | |
553 | release_sigint (); | |
554 | return; | |
555 | } | |
556 | ||
557 | if (_rl_enable_keypad) | |
558 | _rl_control_keypad (1); | |
559 | ||
560 | fflush (rl_outstream); | |
561 | terminal_prepped = 1; | |
562 | ||
563 | release_sigint (); | |
410913b1 | 564 | #endif /* !__GO32__ || HAVE_TERMIOS_H */ |
d60d9f65 SS |
565 | } |
566 | ||
567 | /* Restore the terminal's normal settings and modes. */ | |
568 | void | |
569 | rl_deprep_terminal () | |
570 | { | |
410913b1 | 571 | #if !defined (__GO32__) || defined (HAVE_TERMIOS_H) |
d60d9f65 SS |
572 | int tty; |
573 | ||
574 | if (!terminal_prepped) | |
575 | return; | |
576 | ||
577 | /* Try to keep this function from being interrupted. */ | |
578 | block_sigint (); | |
579 | ||
580 | tty = fileno (rl_instream); | |
581 | ||
582 | if (_rl_enable_keypad) | |
583 | _rl_control_keypad (0); | |
584 | ||
585 | fflush (rl_outstream); | |
586 | ||
587 | if (set_tty_settings (tty, &otio) < 0) | |
588 | { | |
589 | release_sigint (); | |
590 | return; | |
591 | } | |
592 | ||
593 | terminal_prepped = 0; | |
594 | ||
595 | release_sigint (); | |
410913b1 | 596 | #endif /* !__GO32__ || HAVE_TERMIOS_H */ |
d60d9f65 SS |
597 | } |
598 | \f | |
599 | /* **************************************************************** */ | |
600 | /* */ | |
601 | /* Bogus Flow Control */ | |
602 | /* */ | |
603 | /* **************************************************************** */ | |
604 | ||
605 | int | |
606 | rl_restart_output (count, key) | |
607 | int count, key; | |
608 | { | |
609 | int fildes = fileno (rl_outstream); | |
610 | #if defined (TIOCSTART) | |
611 | #if defined (apollo) | |
612 | ioctl (&fildes, TIOCSTART, 0); | |
613 | #else | |
614 | ioctl (fildes, TIOCSTART, 0); | |
615 | #endif /* apollo */ | |
616 | ||
617 | #else /* !TIOCSTART */ | |
618 | # if defined (TERMIOS_TTY_DRIVER) | |
619 | # if defined (__ksr1__) | |
620 | if (ksrflow) | |
621 | { | |
622 | ksrflow = 0; | |
623 | tcflow (fildes, TCOON); | |
624 | } | |
625 | # else /* !ksr1 */ | |
626 | tcflow (fildes, TCOON); /* Simulate a ^Q. */ | |
627 | # endif /* !ksr1 */ | |
628 | # else /* !TERMIOS_TTY_DRIVER */ | |
629 | # if defined (TCXONC) | |
630 | ioctl (fildes, TCXONC, TCOON); | |
631 | # endif /* TCXONC */ | |
632 | # endif /* !TERMIOS_TTY_DRIVER */ | |
633 | #endif /* !TIOCSTART */ | |
634 | ||
635 | return 0; | |
636 | } | |
637 | ||
638 | int | |
639 | rl_stop_output (count, key) | |
640 | int count, key; | |
641 | { | |
642 | int fildes = fileno (rl_instream); | |
643 | ||
644 | #if defined (TIOCSTOP) | |
645 | # if defined (apollo) | |
646 | ioctl (&fildes, TIOCSTOP, 0); | |
647 | # else | |
648 | ioctl (fildes, TIOCSTOP, 0); | |
649 | # endif /* apollo */ | |
650 | #else /* !TIOCSTOP */ | |
651 | # if defined (TERMIOS_TTY_DRIVER) | |
652 | # if defined (__ksr1__) | |
653 | ksrflow = 1; | |
654 | # endif /* ksr1 */ | |
655 | tcflow (fildes, TCOOFF); | |
656 | # else | |
657 | # if defined (TCXONC) | |
658 | ioctl (fildes, TCXONC, TCOON); | |
659 | # endif /* TCXONC */ | |
660 | # endif /* !TERMIOS_TTY_DRIVER */ | |
661 | #endif /* !TIOCSTOP */ | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
666 | /* **************************************************************** */ | |
667 | /* */ | |
668 | /* Default Key Bindings */ | |
669 | /* */ | |
670 | /* **************************************************************** */ | |
671 | void | |
672 | rltty_set_default_bindings (kmap) | |
673 | Keymap kmap; | |
674 | { | |
675 | TIOTYPE ttybuff; | |
676 | int tty = fileno (rl_instream); | |
677 | ||
678 | #if defined (NEW_TTY_DRIVER) | |
679 | ||
680 | #define SET_SPECIAL(sc, func) \ | |
681 | do \ | |
682 | { \ | |
683 | int ic; \ | |
684 | ic = sc; \ | |
685 | if (ic != -1 && kmap[ic].type == ISFUNC) \ | |
686 | kmap[ic].function = func; \ | |
687 | } \ | |
688 | while (0) | |
689 | ||
690 | if (get_tty_settings (tty, &ttybuff) == 0) | |
691 | { | |
692 | if (ttybuff.flags & SGTTY_SET) | |
693 | { | |
694 | SET_SPECIAL (ttybuff.sgttyb.sg_erase, rl_rubout); | |
695 | SET_SPECIAL (ttybuff.sgttyb.sg_kill, rl_unix_line_discard); | |
696 | } | |
697 | ||
698 | # if defined (TIOCGLTC) | |
699 | if (ttybuff.flags & LTCHARS_SET) | |
700 | { | |
701 | SET_SPECIAL (ttybuff.ltchars.t_werasc, rl_unix_word_rubout); | |
702 | SET_SPECIAL (ttybuff.ltchars.t_lnextc, rl_quoted_insert); | |
703 | } | |
704 | # endif /* TIOCGLTC */ | |
705 | } | |
706 | ||
707 | #else /* !NEW_TTY_DRIVER */ | |
708 | ||
709 | #define SET_SPECIAL(sc, func) \ | |
710 | do \ | |
711 | { \ | |
712 | unsigned char uc; \ | |
713 | uc = ttybuff.c_cc[sc]; \ | |
714 | if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) \ | |
715 | kmap[uc].function = func; \ | |
716 | } \ | |
717 | while (0) | |
718 | ||
719 | if (get_tty_settings (tty, &ttybuff) == 0) | |
720 | { | |
721 | SET_SPECIAL (VERASE, rl_rubout); | |
722 | SET_SPECIAL (VKILL, rl_unix_line_discard); | |
723 | ||
724 | # if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER) | |
725 | SET_SPECIAL (VLNEXT, rl_quoted_insert); | |
726 | # endif /* VLNEXT && TERMIOS_TTY_DRIVER */ | |
727 | ||
728 | # if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER) | |
729 | SET_SPECIAL (VWERASE, rl_unix_word_rubout); | |
730 | # endif /* VWERASE && TERMIOS_TTY_DRIVER */ | |
731 | } | |
732 | #endif /* !NEW_TTY_DRIVER */ | |
733 | } |