1 /* $NetBSD: tty.c,v 1.46 2014/06/18 18:52:49 christos Exp $ */
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Christos Zoulas of Cornell University.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #if !defined(lint) && !defined(SCCSID)
38 static char sccsid[] = "@(#)tty.c 8.1 (Berkeley) 6/4/93";
40 __RCSID("$NetBSD: tty.c,v 1.46 2014/06/18 18:52:49 christos Exp $");
42 #endif /* not lint && not SCCSID */
45 * tty.c: tty interface stuff
49 #include <unistd.h> /* for isatty */
50 #include <strings.h> /* for ffs */
51 #include <stdlib.h> /* for abort */
55 typedef struct ttymodes_t {
61 typedef struct ttymap_t {
62 Int nch, och; /* Internal and termio rep of chars */
63 el_action_t bind[3]; /* emacs, vi, and vi-cmd */
67 private const ttyperm_t ttyperm = {
69 {"iflag:", ICRNL, (INLCR | IGNCR)},
70 {"oflag:", (OPOST | ONLCR), ONLRET},
72 {"lflag:", (ISIG | ICANON | ECHO | ECHOE | ECHOCTL | IEXTEN),
73 (NOFLSH | ECHONL | EXTPROC | FLUSHO)},
77 {"iflag:", (INLCR | ICRNL), IGNCR},
78 {"oflag:", (OPOST | ONLCR), ONLRET},
81 (NOFLSH | ICANON | ECHO | ECHOK | ECHONL | EXTPROC | IEXTEN | FLUSHO)},
82 {"chars:", (C_SH(C_MIN) | C_SH(C_TIME) | C_SH(C_SWTCH) | C_SH(C_DSWTCH) |
83 C_SH(C_SUSP) | C_SH(C_DSUSP) | C_SH(C_EOL) | C_SH(C_DISCARD) |
84 C_SH(C_PGOFF) | C_SH(C_PAGE) | C_SH(C_STATUS)), 0}
87 {"iflag:", 0, IXON | IXOFF | INLCR | ICRNL},
90 {"lflag:", 0, ISIG | IEXTEN},
95 private const ttychar_t ttychar = {
97 CINTR, CQUIT, CERASE, CKILL,
98 CEOF, CEOL, CEOL2, CSWTCH,
99 CDSWTCH, CERASE2, CSTART, CSTOP,
100 CWERASE, CSUSP, CDSUSP, CREPRINT,
101 CDISCARD, CLNEXT, CSTATUS, CPAGE,
102 CPGOFF, CKILL2, CBRK, CMIN,
106 CINTR, CQUIT, CERASE, CKILL,
107 _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE,
108 _POSIX_VDISABLE, CERASE2, CSTART, CSTOP,
109 _POSIX_VDISABLE, CSUSP, _POSIX_VDISABLE, _POSIX_VDISABLE,
110 CDISCARD, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE,
111 _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, 1,
125 private const ttymap_t tty_map[] = {
128 {EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}},
132 {EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}},
136 {EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}},
140 {EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}},
144 {EM_DELETE_OR_LIST, VI_LIST_OR_EOF, ED_UNASSIGNED}},
148 {ED_DELETE_PREV_WORD, ED_DELETE_PREV_WORD, ED_PREV_WORD}},
151 {C_REPRINT, VREPRINT,
152 {ED_REDISPLAY, ED_INSERT, ED_REDISPLAY}},
153 #endif /* VREPRINT */
156 {ED_QUOTED_INSERT, ED_QUOTED_INSERT, ED_UNASSIGNED}},
159 {ED_UNASSIGNED, ED_UNASSIGNED, ED_UNASSIGNED}}
162 private const ttymodes_t ttymodes[] = {
164 {"ignbrk", IGNBRK, MD_INP},
167 {"brkint", BRKINT, MD_INP},
170 {"ignpar", IGNPAR, MD_INP},
173 {"parmrk", PARMRK, MD_INP},
176 {"inpck", INPCK, MD_INP},
179 {"istrip", ISTRIP, MD_INP},
182 {"inlcr", INLCR, MD_INP},
185 {"igncr", IGNCR, MD_INP},
188 {"icrnl", ICRNL, MD_INP},
191 {"iuclc", IUCLC, MD_INP},
194 {"ixon", IXON, MD_INP},
197 {"ixany", IXANY, MD_INP},
200 {"ixoff", IXOFF, MD_INP},
203 {"imaxbel", IMAXBEL, MD_INP},
207 {"opost", OPOST, MD_OUT},
210 {"olcuc", OLCUC, MD_OUT},
213 {"onlcr", ONLCR, MD_OUT},
216 {"ocrnl", OCRNL, MD_OUT},
219 {"onocr", ONOCR, MD_OUT},
222 {"onoeot", ONOEOT, MD_OUT},
225 {"onlret", ONLRET, MD_OUT},
228 {"ofill", OFILL, MD_OUT},
231 {"ofdel", OFDEL, MD_OUT},
234 {"nldly", NLDLY, MD_OUT},
237 {"crdly", CRDLY, MD_OUT},
240 {"tabdly", TABDLY, MD_OUT},
243 {"xtabs", XTABS, MD_OUT},
246 {"bsdly", BSDLY, MD_OUT},
249 {"vtdly", VTDLY, MD_OUT},
252 {"ffdly", FFDLY, MD_OUT},
255 {"pageout", PAGEOUT, MD_OUT},
258 {"wrap", WRAP, MD_OUT},
262 {"cignore", CIGNORE, MD_CTL},
265 {"cbaud", CBAUD, MD_CTL},
268 {"cstopb", CSTOPB, MD_CTL},
271 {"cread", CREAD, MD_CTL},
274 {"parenb", PARENB, MD_CTL},
277 {"parodd", PARODD, MD_CTL},
280 {"hupcl", HUPCL, MD_CTL},
283 {"clocal", CLOCAL, MD_CTL},
286 {"loblk", LOBLK, MD_CTL},
289 {"cibaud", CIBAUD, MD_CTL},
293 {"ccts_oflow", CCTS_OFLOW, MD_CTL},
295 {"crtscts", CRTSCTS, MD_CTL},
296 #endif /* CCTS_OFLOW */
299 {"crts_iflow", CRTS_IFLOW, MD_CTL},
300 #endif /* CRTS_IFLOW */
302 {"cdtrcts", CDTRCTS, MD_CTL},
305 {"mdmbuf", MDMBUF, MD_CTL},
308 {"rcv1en", RCV1EN, MD_CTL},
311 {"xmt1en", XMT1EN, MD_CTL},
315 {"isig", ISIG, MD_LIN},
318 {"icanon", ICANON, MD_LIN},
321 {"xcase", XCASE, MD_LIN},
324 {"echo", ECHO, MD_LIN},
327 {"echoe", ECHOE, MD_LIN},
330 {"echok", ECHOK, MD_LIN},
333 {"echonl", ECHONL, MD_LIN},
336 {"noflsh", NOFLSH, MD_LIN},
339 {"tostop", TOSTOP, MD_LIN},
342 {"echoctl", ECHOCTL, MD_LIN},
345 {"echoprt", ECHOPRT, MD_LIN},
348 {"echoke", ECHOKE, MD_LIN},
351 {"defecho", DEFECHO, MD_LIN},
354 {"flusho", FLUSHO, MD_LIN},
357 {"pendin", PENDIN, MD_LIN},
360 {"iexten", IEXTEN, MD_LIN},
363 {"nokerninfo", NOKERNINFO, MD_LIN},
364 #endif /* NOKERNINFO */
366 {"altwerase", ALTWERASE, MD_LIN},
367 #endif /* ALTWERASE */
369 {"extproc", EXTPROC, MD_LIN},
373 {"intr", C_SH(C_INTR), MD_CHAR},
376 {"quit", C_SH(C_QUIT), MD_CHAR},
379 {"erase", C_SH(C_ERASE), MD_CHAR},
382 {"kill", C_SH(C_KILL), MD_CHAR},
385 {"eof", C_SH(C_EOF), MD_CHAR},
388 {"eol", C_SH(C_EOL), MD_CHAR},
391 {"eol2", C_SH(C_EOL2), MD_CHAR},
394 {"swtch", C_SH(C_SWTCH), MD_CHAR},
397 {"dswtch", C_SH(C_DSWTCH), MD_CHAR},
400 {"erase2", C_SH(C_ERASE2), MD_CHAR},
403 {"start", C_SH(C_START), MD_CHAR},
406 {"stop", C_SH(C_STOP), MD_CHAR},
409 {"werase", C_SH(C_WERASE), MD_CHAR},
412 {"susp", C_SH(C_SUSP), MD_CHAR},
415 {"dsusp", C_SH(C_DSUSP), MD_CHAR},
417 #if defined(VREPRINT)
418 {"reprint", C_SH(C_REPRINT), MD_CHAR},
419 #endif /* VREPRINT */
420 #if defined(VDISCARD)
421 {"discard", C_SH(C_DISCARD), MD_CHAR},
422 #endif /* VDISCARD */
424 {"lnext", C_SH(C_LNEXT), MD_CHAR},
427 {"status", C_SH(C_STATUS), MD_CHAR},
430 {"page", C_SH(C_PAGE), MD_CHAR},
433 {"pgoff", C_SH(C_PGOFF), MD_CHAR},
436 {"kill2", C_SH(C_KILL2), MD_CHAR},
439 {"brk", C_SH(C_BRK), MD_CHAR},
442 {"min", C_SH(C_MIN), MD_CHAR},
445 {"time", C_SH(C_TIME), MD_CHAR},
452 #define tty__gettabs(td) ((((td)->c_oflag & TAB3) == TAB3) ? 0 : 1)
453 #define tty__geteightbit(td) (((td)->c_cflag & CSIZE) == CS8)
454 #define tty__cooked_mode(td) ((td)->c_lflag & ICANON)
456 private int tty_getty(EditLine *, struct termios *);
457 private int tty_setty(EditLine *, int, const struct termios *);
458 private int tty__getcharindex(int);
459 private void tty__getchar(struct termios *, unsigned char *);
460 private void tty__setchar(struct termios *, unsigned char *);
461 private speed_t tty__getspeed(struct termios *);
462 private int tty_setup(EditLine *);
463 private void tty_setup_flags(EditLine *, struct termios *, int);
468 * Wrapper for tcgetattr to handle EINTR
471 tty_getty(EditLine *el, struct termios *t)
474 while ((rv = tcgetattr(el->el_infd, t)) == -1 && errno == EINTR)
480 * Wrapper for tcsetattr to handle EINTR
483 tty_setty(EditLine *el, int action, const struct termios *t)
486 while ((rv = tcsetattr(el->el_infd, action, t)) == -1 && errno == EINTR)
492 * Get the tty parameters and initialize the editing state
495 tty_setup(EditLine *el)
499 if (el->el_flags & EDIT_DISABLED)
502 if (!isatty(el->el_outfd)) {
504 (void) fprintf(el->el_errfile, "%s: isatty: %s\n", __func__,
506 #endif /* DEBUG_TTY */
509 if (tty_getty(el, &el->el_tty.t_or) == -1) {
511 (void) fprintf(el->el_errfile, "%s: tty_getty: %s\n", __func__,
513 #endif /* DEBUG_TTY */
516 el->el_tty.t_ts = el->el_tty.t_ex = el->el_tty.t_ed = el->el_tty.t_or;
518 el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ex);
519 el->el_tty.t_tabs = tty__gettabs(&el->el_tty.t_ex);
520 el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ex);
522 tty_setup_flags(el, &el->el_tty.t_ex, EX_IO);
525 * Reset the tty chars to reasonable defaults
526 * If they are disabled, then enable them.
529 if (tty__cooked_mode(&el->el_tty.t_ts)) {
530 tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]);
532 * Don't affect CMIN and CTIME for the editor mode
534 for (rst = 0; rst < C_NCC - 2; rst++)
535 if (el->el_tty.t_c[TS_IO][rst] !=
536 el->el_tty.t_vdisable
537 && el->el_tty.t_c[ED_IO][rst] !=
538 el->el_tty.t_vdisable)
539 el->el_tty.t_c[ED_IO][rst] =
540 el->el_tty.t_c[TS_IO][rst];
541 for (rst = 0; rst < C_NCC; rst++)
542 if (el->el_tty.t_c[TS_IO][rst] !=
543 el->el_tty.t_vdisable)
544 el->el_tty.t_c[EX_IO][rst] =
545 el->el_tty.t_c[TS_IO][rst];
547 tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]);
548 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) {
550 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n",
551 __func__, strerror(errno));
552 #endif /* DEBUG_TTY */
557 tty_setup_flags(el, &el->el_tty.t_ed, ED_IO);
559 tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
560 tty_bind_char(el, 1);
565 tty_init(EditLine *el)
568 el->el_tty.t_mode = EX_IO;
569 el->el_tty.t_vdisable = _POSIX_VDISABLE;
570 (void) memcpy(el->el_tty.t_t, ttyperm, sizeof(ttyperm_t));
571 (void) memcpy(el->el_tty.t_c, ttychar, sizeof(ttychar_t));
572 return tty_setup(el);
577 * Restore the tty to its original settings
581 tty_end(EditLine *el)
583 if (tty_setty(el, TCSAFLUSH, &el->el_tty.t_or) == -1) {
585 (void) fprintf(el->el_errfile,
586 "%s: tty_setty: %s\n", __func__, strerror(errno));
587 #endif /* DEBUG_TTY */
596 tty__getspeed(struct termios *td)
600 if ((spd = cfgetispeed(td)) == 0)
601 spd = cfgetospeed(td);
606 * Return the index of the asked char in the c_cc array
609 tty__getcharindex(int i)
675 #endif /* VREPRINT */
679 #endif /* VDISCARD */
714 * Get the tty characters
717 tty__getchar(struct termios *td, unsigned char *s)
721 s[C_INTR] = td->c_cc[VINTR];
724 s[C_QUIT] = td->c_cc[VQUIT];
727 s[C_ERASE] = td->c_cc[VERASE];
730 s[C_KILL] = td->c_cc[VKILL];
733 s[C_EOF] = td->c_cc[VEOF];
736 s[C_EOL] = td->c_cc[VEOL];
739 s[C_EOL2] = td->c_cc[VEOL2];
742 s[C_SWTCH] = td->c_cc[VSWTCH];
745 s[C_DSWTCH] = td->c_cc[VDSWTCH];
748 s[C_ERASE2] = td->c_cc[VERASE2];
751 s[C_START] = td->c_cc[VSTART];
754 s[C_STOP] = td->c_cc[VSTOP];
757 s[C_WERASE] = td->c_cc[VWERASE];
760 s[C_SUSP] = td->c_cc[VSUSP];
763 s[C_DSUSP] = td->c_cc[VDSUSP];
766 s[C_REPRINT] = td->c_cc[VREPRINT];
767 #endif /* VREPRINT */
769 s[C_DISCARD] = td->c_cc[VDISCARD];
770 #endif /* VDISCARD */
772 s[C_LNEXT] = td->c_cc[VLNEXT];
775 s[C_STATUS] = td->c_cc[VSTATUS];
778 s[C_PAGE] = td->c_cc[VPAGE];
781 s[C_PGOFF] = td->c_cc[VPGOFF];
784 s[C_KILL2] = td->c_cc[VKILL2];
787 s[C_MIN] = td->c_cc[VMIN];
790 s[C_TIME] = td->c_cc[VTIME];
796 * Set the tty characters
799 tty__setchar(struct termios *td, unsigned char *s)
803 td->c_cc[VINTR] = s[C_INTR];
806 td->c_cc[VQUIT] = s[C_QUIT];
809 td->c_cc[VERASE] = s[C_ERASE];
812 td->c_cc[VKILL] = s[C_KILL];
815 td->c_cc[VEOF] = s[C_EOF];
818 td->c_cc[VEOL] = s[C_EOL];
821 td->c_cc[VEOL2] = s[C_EOL2];
824 td->c_cc[VSWTCH] = s[C_SWTCH];
827 td->c_cc[VDSWTCH] = s[C_DSWTCH];
830 td->c_cc[VERASE2] = s[C_ERASE2];
833 td->c_cc[VSTART] = s[C_START];
836 td->c_cc[VSTOP] = s[C_STOP];
839 td->c_cc[VWERASE] = s[C_WERASE];
842 td->c_cc[VSUSP] = s[C_SUSP];
845 td->c_cc[VDSUSP] = s[C_DSUSP];
848 td->c_cc[VREPRINT] = s[C_REPRINT];
849 #endif /* VREPRINT */
851 td->c_cc[VDISCARD] = s[C_DISCARD];
852 #endif /* VDISCARD */
854 td->c_cc[VLNEXT] = s[C_LNEXT];
857 td->c_cc[VSTATUS] = s[C_STATUS];
860 td->c_cc[VPAGE] = s[C_PAGE];
863 td->c_cc[VPGOFF] = s[C_PGOFF];
866 td->c_cc[VKILL2] = s[C_KILL2];
869 td->c_cc[VMIN] = s[C_MIN];
872 td->c_cc[VTIME] = s[C_TIME];
878 * Rebind the editline functions
881 tty_bind_char(EditLine *el, int force)
884 unsigned char *t_n = el->el_tty.t_c[ED_IO];
885 unsigned char *t_o = el->el_tty.t_ed.c_cc;
888 el_action_t *map, *alt;
889 const el_action_t *dmap, *dalt;
890 new[1] = old[1] = '\0';
892 map = el->el_map.key;
893 alt = el->el_map.alt;
894 if (el->el_map.type == MAP_VI) {
895 dmap = el->el_map.vii;
896 dalt = el->el_map.vic;
898 dmap = el->el_map.emacs;
902 for (tp = tty_map; tp->nch != (Int)-1; tp++) {
903 new[0] = t_n[tp->nch];
904 old[0] = t_o[tp->och];
905 if (new[0] == old[0] && !force)
907 /* Put the old default binding back, and set the new binding */
908 keymacro_clear(el, map, old);
909 map[UC(old[0])] = dmap[UC(old[0])];
910 keymacro_clear(el, map, new);
911 /* MAP_VI == 1, MAP_EMACS == 0... */
912 map[UC(new[0])] = tp->bind[el->el_map.type];
914 keymacro_clear(el, alt, old);
915 alt[UC(old[0])] = dalt[UC(old[0])];
916 keymacro_clear(el, alt, new);
917 alt[UC(new[0])] = tp->bind[el->el_map.type + 1];
924 tty__get_flag(struct termios *t, int kind) {
942 tty_update_flag(EditLine *el, tcflag_t f, int mode, int kind)
944 f &= ~el->el_tty.t_t[mode][kind].t_clrmask;
945 f |= el->el_tty.t_t[mode][kind].t_setmask;
951 tty_update_flags(EditLine *el, int kind)
953 tcflag_t *tt, *ed, *ex;
954 tt = tty__get_flag(&el->el_tty.t_ts, kind);
955 ed = tty__get_flag(&el->el_tty.t_ed, kind);
956 ex = tty__get_flag(&el->el_tty.t_ex, kind);
958 if (*tt != *ex && (kind != MD_CTL || *tt != *ed)) {
959 *ed = tty_update_flag(el, *tt, ED_IO, kind);
960 *ex = tty_update_flag(el, *tt, EX_IO, kind);
966 tty_update_char(EditLine *el, int mode, int c) {
967 if (!((el->el_tty.t_t[mode][MD_CHAR].t_setmask & C_SH(c)))
968 && (el->el_tty.t_c[TS_IO][c] != el->el_tty.t_c[EX_IO][c]))
969 el->el_tty.t_c[mode][c] = el->el_tty.t_c[TS_IO][c];
970 if (el->el_tty.t_t[mode][MD_CHAR].t_clrmask & C_SH(c))
971 el->el_tty.t_c[mode][c] = el->el_tty.t_vdisable;
976 * Set terminal into 1 character at a time mode.
979 tty_rawmode(EditLine *el)
982 if (el->el_tty.t_mode == ED_IO || el->el_tty.t_mode == QU_IO)
985 if (el->el_flags & EDIT_DISABLED)
988 if (tty_getty(el, &el->el_tty.t_ts) == -1) {
990 (void) fprintf(el->el_errfile, "%s: tty_getty: %s\n", __func__,
992 #endif /* DEBUG_TTY */
996 * We always keep up with the eight bit setting and the speed of the
997 * tty. But we only believe changes that are made to cooked mode!
999 el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ts);
1000 el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ts);
1002 if (tty__getspeed(&el->el_tty.t_ex) != el->el_tty.t_speed ||
1003 tty__getspeed(&el->el_tty.t_ed) != el->el_tty.t_speed) {
1004 (void) cfsetispeed(&el->el_tty.t_ex, el->el_tty.t_speed);
1005 (void) cfsetospeed(&el->el_tty.t_ex, el->el_tty.t_speed);
1006 (void) cfsetispeed(&el->el_tty.t_ed, el->el_tty.t_speed);
1007 (void) cfsetospeed(&el->el_tty.t_ed, el->el_tty.t_speed);
1009 if (tty__cooked_mode(&el->el_tty.t_ts)) {
1012 for (i = MD_INP; i <= MD_LIN; i++)
1013 tty_update_flags(el, i);
1015 if (tty__gettabs(&el->el_tty.t_ex) == 0)
1016 el->el_tty.t_tabs = 0;
1018 el->el_tty.t_tabs = EL_CAN_TAB ? 1 : 0;
1020 tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]);
1022 * Check if the user made any changes.
1023 * If he did, then propagate the changes to the
1024 * edit and execute data structures.
1026 for (i = 0; i < C_NCC; i++)
1027 if (el->el_tty.t_c[TS_IO][i] !=
1028 el->el_tty.t_c[EX_IO][i])
1033 * Propagate changes only to the unprotected
1034 * chars that have been modified just now.
1036 for (i = 0; i < C_NCC; i++)
1037 tty_update_char(el, ED_IO, i);
1039 tty_bind_char(el, 0);
1040 tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
1042 for (i = 0; i < C_NCC; i++)
1043 tty_update_char(el, EX_IO, i);
1045 tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]);
1048 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) {
1050 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
1052 #endif /* DEBUG_TTY */
1055 el->el_tty.t_mode = ED_IO;
1060 /* tty_cookedmode():
1061 * Set the tty back to normal mode
1064 tty_cookedmode(EditLine *el)
1065 { /* set tty in normal setup */
1067 if (el->el_tty.t_mode == EX_IO)
1070 if (el->el_flags & EDIT_DISABLED)
1073 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) {
1075 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
1077 #endif /* DEBUG_TTY */
1080 el->el_tty.t_mode = EX_IO;
1086 * Turn on quote mode
1089 tty_quotemode(EditLine *el)
1091 if (el->el_tty.t_mode == QU_IO)
1094 el->el_tty.t_qu = el->el_tty.t_ed;
1096 tty_setup_flags(el, &el->el_tty.t_qu, QU_IO);
1098 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_qu) == -1) {
1100 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
1102 #endif /* DEBUG_TTY */
1105 el->el_tty.t_mode = QU_IO;
1110 /* tty_noquotemode():
1111 * Turn off quote mode
1114 tty_noquotemode(EditLine *el)
1117 if (el->el_tty.t_mode != QU_IO)
1119 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) {
1121 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
1123 #endif /* DEBUG_TTY */
1126 el->el_tty.t_mode = ED_IO;
1136 tty_stty(EditLine *el, int argc __attribute__((__unused__)), const Char **argv)
1138 const ttymodes_t *m;
1142 char name[EL_BUFSIZ];
1143 struct termios *tios = &el->el_tty.t_ex;
1148 strncpy(name, ct_encode_string(*argv++, &el->el_scratch), sizeof(name));
1149 name[sizeof(name) - 1] = '\0';
1151 while (argv && *argv && argv[0][0] == '-' && argv[0][2] == '\0')
1152 switch (argv[0][1]) {
1159 tios = &el->el_tty.t_ed;
1164 tios = &el->el_tty.t_ex;
1169 tios = &el->el_tty.t_ts;
1173 (void) fprintf(el->el_errfile,
1174 "%s: Unknown switch `%c'.\n",
1179 if (!argv || !*argv) {
1181 size_t len = 0, st = 0, cu;
1182 for (m = ttymodes; m->m_name; m++) {
1183 if (m->m_type != i) {
1184 (void) fprintf(el->el_outfile, "%s%s",
1185 i != -1 ? "\n" : "",
1186 el->el_tty.t_t[z][m->m_type].t_name);
1189 strlen(el->el_tty.t_t[z][m->m_type].t_name);
1192 x = (el->el_tty.t_t[z][i].t_setmask & m->m_value)
1195 if (el->el_tty.t_t[z][i].t_clrmask & m->m_value)
1201 if (x != '\0' || aflag) {
1203 cu = strlen(m->m_name) + (x != '\0') + 1;
1206 (size_t)el->el_terminal.t_size.h) {
1207 (void) fprintf(el->el_outfile, "\n%*s",
1214 (void) fprintf(el->el_outfile, "%c%s ",
1217 (void) fprintf(el->el_outfile, "%s ",
1221 (void) fprintf(el->el_outfile, "\n");
1224 while (argv && (s = *argv++)) {
1237 for (m = ttymodes; m->m_name; m++)
1238 if ((p ? strncmp(m->m_name, ct_encode_string(d,
1239 &el->el_scratch), (size_t)(p - d)) :
1240 strcmp(m->m_name, ct_encode_string(d,
1241 &el->el_scratch))) == 0 &&
1242 (p == NULL || m->m_type == MD_CHAR))
1246 (void) fprintf(el->el_errfile,
1247 "%s: Invalid argument `" FSTR "'.\n", name, d);
1251 int c = ffs((int)m->m_value);
1252 int v = *++p ? parse__escape(&p) :
1253 el->el_tty.t_vdisable;
1256 c = tty__getcharindex(c);
1258 tios->c_cc[c] = (cc_t)v;
1263 el->el_tty.t_t[z][m->m_type].t_setmask |= m->m_value;
1264 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value;
1267 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value;
1268 el->el_tty.t_t[z][m->m_type].t_clrmask |= m->m_value;
1271 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value;
1272 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value;
1277 tty_setup_flags(el, tios, z);
1278 if (el->el_tty.t_mode == z) {
1279 if (tty_setty(el, TCSADRAIN, tios) == -1) {
1281 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n",
1282 __func__, strerror(errno));
1283 #endif /* DEBUG_TTY */
1294 * DEbugging routine to print the tty characters
1297 tty_printchar(EditLine *el, unsigned char *s)
1302 for (i = 0; i < C_NCC; i++) {
1303 for (m = el->el_tty.t_t; m->m_name; m++)
1304 if (m->m_type == MD_CHAR && C_SH(i) == m->m_value)
1307 (void) fprintf(el->el_errfile, "%s ^%c ",
1308 m->m_name, s[i] + 'A' - 1);
1310 (void) fprintf(el->el_errfile, "\n");
1312 (void) fprintf(el->el_errfile, "\n");
1318 tty_setup_flags(EditLine *el, struct termios *tios, int mode)
1321 for (kind = MD_INP; kind <= MD_LIN; kind++) {
1322 tcflag_t *f = tty__get_flag(tios, kind);
1323 *f = tty_update_flag(el, *f, mode, kind);