1 /* $NetBSD: tty.c,v 1.41 2011/10/04 15:27:04 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 1.41 2011/10/04 15:27:04 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 */
54 typedef struct ttymodes_t {
60 typedef struct ttymap_t {
61 Int nch, och; /* Internal and termio rep of chars */
62 el_action_t bind[3]; /* emacs, vi, and vi-cmd */
66 private const ttyperm_t ttyperm = {
68 {"iflag:", ICRNL, (INLCR | IGNCR)},
69 {"oflag:", (OPOST | ONLCR), ONLRET},
71 {"lflag:", (ISIG | ICANON | ECHO | ECHOE | ECHOCTL | IEXTEN),
72 (NOFLSH | ECHONL | EXTPROC | FLUSHO)},
76 {"iflag:", (INLCR | ICRNL), IGNCR},
77 {"oflag:", (OPOST | ONLCR), ONLRET},
80 (NOFLSH | ICANON | ECHO | ECHOK | ECHONL | EXTPROC | IEXTEN | FLUSHO)},
81 {"chars:", (C_SH(C_MIN) | C_SH(C_TIME) | C_SH(C_SWTCH) | C_SH(C_DSWTCH) |
82 C_SH(C_SUSP) | C_SH(C_DSUSP) | C_SH(C_EOL) | C_SH(C_DISCARD) |
83 C_SH(C_PGOFF) | C_SH(C_PAGE) | C_SH(C_STATUS)), 0}
86 {"iflag:", 0, IXON | IXOFF | INLCR | ICRNL},
89 {"lflag:", 0, ISIG | IEXTEN},
94 private const ttychar_t ttychar = {
96 CINTR, CQUIT, CERASE, CKILL,
97 CEOF, CEOL, CEOL2, CSWTCH,
98 CDSWTCH, CERASE2, CSTART, CSTOP,
99 CWERASE, CSUSP, CDSUSP, CREPRINT,
100 CDISCARD, CLNEXT, CSTATUS, CPAGE,
101 CPGOFF, CKILL2, CBRK, CMIN,
105 CINTR, CQUIT, CERASE, CKILL,
106 _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE,
107 _POSIX_VDISABLE, CERASE2, CSTART, CSTOP,
108 _POSIX_VDISABLE, CSUSP, _POSIX_VDISABLE, _POSIX_VDISABLE,
109 CDISCARD, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE,
110 _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, 1,
124 private const ttymap_t tty_map[] = {
127 {EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}},
131 {EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}},
135 {EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}},
139 {EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}},
143 {EM_DELETE_OR_LIST, VI_LIST_OR_EOF, ED_UNASSIGNED}},
147 {ED_DELETE_PREV_WORD, ED_DELETE_PREV_WORD, ED_PREV_WORD}},
150 {C_REPRINT, VREPRINT,
151 {ED_REDISPLAY, ED_INSERT, ED_REDISPLAY}},
152 #endif /* VREPRINT */
155 {ED_QUOTED_INSERT, ED_QUOTED_INSERT, ED_UNASSIGNED}},
158 {ED_UNASSIGNED, ED_UNASSIGNED, ED_UNASSIGNED}}
161 private const ttymodes_t ttymodes[] = {
163 {"ignbrk", IGNBRK, MD_INP},
166 {"brkint", BRKINT, MD_INP},
169 {"ignpar", IGNPAR, MD_INP},
172 {"parmrk", PARMRK, MD_INP},
175 {"inpck", INPCK, MD_INP},
178 {"istrip", ISTRIP, MD_INP},
181 {"inlcr", INLCR, MD_INP},
184 {"igncr", IGNCR, MD_INP},
187 {"icrnl", ICRNL, MD_INP},
190 {"iuclc", IUCLC, MD_INP},
193 {"ixon", IXON, MD_INP},
196 {"ixany", IXANY, MD_INP},
199 {"ixoff", IXOFF, MD_INP},
202 {"imaxbel", IMAXBEL, MD_INP},
206 {"opost", OPOST, MD_OUT},
209 {"olcuc", OLCUC, MD_OUT},
212 {"onlcr", ONLCR, MD_OUT},
215 {"ocrnl", OCRNL, MD_OUT},
218 {"onocr", ONOCR, MD_OUT},
221 {"onoeot", ONOEOT, MD_OUT},
224 {"onlret", ONLRET, MD_OUT},
227 {"ofill", OFILL, MD_OUT},
230 {"ofdel", OFDEL, MD_OUT},
233 {"nldly", NLDLY, MD_OUT},
236 {"crdly", CRDLY, MD_OUT},
239 {"tabdly", TABDLY, MD_OUT},
242 {"xtabs", XTABS, MD_OUT},
245 {"bsdly", BSDLY, MD_OUT},
248 {"vtdly", VTDLY, MD_OUT},
251 {"ffdly", FFDLY, MD_OUT},
254 {"pageout", PAGEOUT, MD_OUT},
257 {"wrap", WRAP, MD_OUT},
261 {"cignore", CIGNORE, MD_CTL},
264 {"cbaud", CBAUD, MD_CTL},
267 {"cstopb", CSTOPB, MD_CTL},
270 {"cread", CREAD, MD_CTL},
273 {"parenb", PARENB, MD_CTL},
276 {"parodd", PARODD, MD_CTL},
279 {"hupcl", HUPCL, MD_CTL},
282 {"clocal", CLOCAL, MD_CTL},
285 {"loblk", LOBLK, MD_CTL},
288 {"cibaud", CIBAUD, MD_CTL},
292 {"ccts_oflow", CCTS_OFLOW, MD_CTL},
294 {"crtscts", CRTSCTS, MD_CTL},
295 #endif /* CCTS_OFLOW */
298 {"crts_iflow", CRTS_IFLOW, MD_CTL},
299 #endif /* CRTS_IFLOW */
301 {"cdtrcts", CDTRCTS, MD_CTL},
304 {"mdmbuf", MDMBUF, MD_CTL},
307 {"rcv1en", RCV1EN, MD_CTL},
310 {"xmt1en", XMT1EN, MD_CTL},
314 {"isig", ISIG, MD_LIN},
317 {"icanon", ICANON, MD_LIN},
320 {"xcase", XCASE, MD_LIN},
323 {"echo", ECHO, MD_LIN},
326 {"echoe", ECHOE, MD_LIN},
329 {"echok", ECHOK, MD_LIN},
332 {"echonl", ECHONL, MD_LIN},
335 {"noflsh", NOFLSH, MD_LIN},
338 {"tostop", TOSTOP, MD_LIN},
341 {"echoctl", ECHOCTL, MD_LIN},
344 {"echoprt", ECHOPRT, MD_LIN},
347 {"echoke", ECHOKE, MD_LIN},
350 {"defecho", DEFECHO, MD_LIN},
353 {"flusho", FLUSHO, MD_LIN},
356 {"pendin", PENDIN, MD_LIN},
359 {"iexten", IEXTEN, MD_LIN},
362 {"nokerninfo", NOKERNINFO, MD_LIN},
363 #endif /* NOKERNINFO */
365 {"altwerase", ALTWERASE, MD_LIN},
366 #endif /* ALTWERASE */
368 {"extproc", EXTPROC, MD_LIN},
372 {"intr", C_SH(C_INTR), MD_CHAR},
375 {"quit", C_SH(C_QUIT), MD_CHAR},
378 {"erase", C_SH(C_ERASE), MD_CHAR},
381 {"kill", C_SH(C_KILL), MD_CHAR},
384 {"eof", C_SH(C_EOF), MD_CHAR},
387 {"eol", C_SH(C_EOL), MD_CHAR},
390 {"eol2", C_SH(C_EOL2), MD_CHAR},
393 {"swtch", C_SH(C_SWTCH), MD_CHAR},
396 {"dswtch", C_SH(C_DSWTCH), MD_CHAR},
399 {"erase2", C_SH(C_ERASE2), MD_CHAR},
402 {"start", C_SH(C_START), MD_CHAR},
405 {"stop", C_SH(C_STOP), MD_CHAR},
408 {"werase", C_SH(C_WERASE), MD_CHAR},
411 {"susp", C_SH(C_SUSP), MD_CHAR},
414 {"dsusp", C_SH(C_DSUSP), MD_CHAR},
416 #if defined(VREPRINT)
417 {"reprint", C_SH(C_REPRINT), MD_CHAR},
418 #endif /* VREPRINT */
419 #if defined(VDISCARD)
420 {"discard", C_SH(C_DISCARD), MD_CHAR},
421 #endif /* VDISCARD */
423 {"lnext", C_SH(C_LNEXT), MD_CHAR},
426 {"status", C_SH(C_STATUS), MD_CHAR},
429 {"page", C_SH(C_PAGE), MD_CHAR},
432 {"pgoff", C_SH(C_PGOFF), MD_CHAR},
435 {"kill2", C_SH(C_KILL2), MD_CHAR},
438 {"brk", C_SH(C_BRK), MD_CHAR},
441 {"min", C_SH(C_MIN), MD_CHAR},
444 {"time", C_SH(C_TIME), MD_CHAR},
451 #define tty__gettabs(td) ((((td)->c_oflag & TAB3) == TAB3) ? 0 : 1)
452 #define tty__geteightbit(td) (((td)->c_cflag & CSIZE) == CS8)
453 #define tty__cooked_mode(td) ((td)->c_lflag & ICANON)
455 private int tty_getty(EditLine *, struct termios *);
456 private int tty_setty(EditLine *, int, const struct termios *);
457 private int tty__getcharindex(int);
458 private void tty__getchar(struct termios *, unsigned char *);
459 private void tty__setchar(struct termios *, unsigned char *);
460 private speed_t tty__getspeed(struct termios *);
461 private int tty_setup(EditLine *);
466 * Wrapper for tcgetattr to handle EINTR
469 tty_getty(EditLine *el, struct termios *t)
472 while ((rv = tcgetattr(el->el_infd, t)) == -1 && errno == EINTR)
478 * Wrapper for tcsetattr to handle EINTR
481 tty_setty(EditLine *el, int action, const struct termios *t)
484 while ((rv = tcsetattr(el->el_infd, action, t)) == -1 && errno == EINTR)
490 * Get the tty parameters and initialize the editing state
493 tty_setup(EditLine *el)
497 if (el->el_flags & EDIT_DISABLED)
500 if (!isatty(el->el_outfd)) {
502 (void) fprintf(el->el_errfile,
503 "tty_setup: isatty: %s\n", strerror(errno));
504 #endif /* DEBUG_TTY */
507 if (tty_getty(el, &el->el_tty.t_ed) == -1) {
509 (void) fprintf(el->el_errfile,
510 "tty_setup: tty_getty: %s\n", strerror(errno));
511 #endif /* DEBUG_TTY */
514 el->el_tty.t_ts = el->el_tty.t_ex = el->el_tty.t_ed;
516 el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ex);
517 el->el_tty.t_tabs = tty__gettabs(&el->el_tty.t_ex);
518 el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ex);
520 el->el_tty.t_ex.c_iflag &= ~el->el_tty.t_t[EX_IO][MD_INP].t_clrmask;
521 el->el_tty.t_ex.c_iflag |= el->el_tty.t_t[EX_IO][MD_INP].t_setmask;
523 el->el_tty.t_ex.c_oflag &= ~el->el_tty.t_t[EX_IO][MD_OUT].t_clrmask;
524 el->el_tty.t_ex.c_oflag |= el->el_tty.t_t[EX_IO][MD_OUT].t_setmask;
526 el->el_tty.t_ex.c_cflag &= ~el->el_tty.t_t[EX_IO][MD_CTL].t_clrmask;
527 el->el_tty.t_ex.c_cflag |= el->el_tty.t_t[EX_IO][MD_CTL].t_setmask;
529 el->el_tty.t_ex.c_lflag &= ~el->el_tty.t_t[EX_IO][MD_LIN].t_clrmask;
530 el->el_tty.t_ex.c_lflag |= el->el_tty.t_t[EX_IO][MD_LIN].t_setmask;
533 * Reset the tty chars to reasonable defaults
534 * If they are disabled, then enable them.
537 if (tty__cooked_mode(&el->el_tty.t_ts)) {
538 tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]);
540 * Don't affect CMIN and CTIME for the editor mode
542 for (rst = 0; rst < C_NCC - 2; rst++)
543 if (el->el_tty.t_c[TS_IO][rst] !=
544 el->el_tty.t_vdisable
545 && el->el_tty.t_c[ED_IO][rst] !=
546 el->el_tty.t_vdisable)
547 el->el_tty.t_c[ED_IO][rst] =
548 el->el_tty.t_c[TS_IO][rst];
549 for (rst = 0; rst < C_NCC; rst++)
550 if (el->el_tty.t_c[TS_IO][rst] !=
551 el->el_tty.t_vdisable)
552 el->el_tty.t_c[EX_IO][rst] =
553 el->el_tty.t_c[TS_IO][rst];
555 tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]);
556 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) {
558 (void) fprintf(el->el_errfile,
559 "tty_setup: tty_setty: %s\n",
561 #endif /* DEBUG_TTY */
566 el->el_tty.t_ed.c_iflag &= ~el->el_tty.t_t[ED_IO][MD_INP].t_clrmask;
567 el->el_tty.t_ed.c_iflag |= el->el_tty.t_t[ED_IO][MD_INP].t_setmask;
569 el->el_tty.t_ed.c_oflag &= ~el->el_tty.t_t[ED_IO][MD_OUT].t_clrmask;
570 el->el_tty.t_ed.c_oflag |= el->el_tty.t_t[ED_IO][MD_OUT].t_setmask;
572 el->el_tty.t_ed.c_cflag &= ~el->el_tty.t_t[ED_IO][MD_CTL].t_clrmask;
573 el->el_tty.t_ed.c_cflag |= el->el_tty.t_t[ED_IO][MD_CTL].t_setmask;
575 el->el_tty.t_ed.c_lflag &= ~el->el_tty.t_t[ED_IO][MD_LIN].t_clrmask;
576 el->el_tty.t_ed.c_lflag |= el->el_tty.t_t[ED_IO][MD_LIN].t_setmask;
578 tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
579 tty_bind_char(el, 1);
584 tty_init(EditLine *el)
587 el->el_tty.t_mode = EX_IO;
588 el->el_tty.t_vdisable = _POSIX_VDISABLE;
589 (void) memcpy(el->el_tty.t_t, ttyperm, sizeof(ttyperm_t));
590 (void) memcpy(el->el_tty.t_c, ttychar, sizeof(ttychar_t));
591 return tty_setup(el);
596 * Restore the tty to its original settings
600 tty_end(EditLine *el __attribute__((__unused__)))
603 /* XXX: Maybe reset to an initial state? */
611 tty__getspeed(struct termios *td)
615 if ((spd = cfgetispeed(td)) == 0)
616 spd = cfgetospeed(td);
621 * Return the index of the asked char in the c_cc array
624 tty__getcharindex(int i)
690 #endif /* VREPRINT */
694 #endif /* VDISCARD */
729 * Get the tty characters
732 tty__getchar(struct termios *td, unsigned char *s)
736 s[C_INTR] = td->c_cc[VINTR];
739 s[C_QUIT] = td->c_cc[VQUIT];
742 s[C_ERASE] = td->c_cc[VERASE];
745 s[C_KILL] = td->c_cc[VKILL];
748 s[C_EOF] = td->c_cc[VEOF];
751 s[C_EOL] = td->c_cc[VEOL];
754 s[C_EOL2] = td->c_cc[VEOL2];
757 s[C_SWTCH] = td->c_cc[VSWTCH];
760 s[C_DSWTCH] = td->c_cc[VDSWTCH];
763 s[C_ERASE2] = td->c_cc[VERASE2];
766 s[C_START] = td->c_cc[VSTART];
769 s[C_STOP] = td->c_cc[VSTOP];
772 s[C_WERASE] = td->c_cc[VWERASE];
775 s[C_SUSP] = td->c_cc[VSUSP];
778 s[C_DSUSP] = td->c_cc[VDSUSP];
781 s[C_REPRINT] = td->c_cc[VREPRINT];
782 #endif /* VREPRINT */
784 s[C_DISCARD] = td->c_cc[VDISCARD];
785 #endif /* VDISCARD */
787 s[C_LNEXT] = td->c_cc[VLNEXT];
790 s[C_STATUS] = td->c_cc[VSTATUS];
793 s[C_PAGE] = td->c_cc[VPAGE];
796 s[C_PGOFF] = td->c_cc[VPGOFF];
799 s[C_KILL2] = td->c_cc[VKILL2];
802 s[C_MIN] = td->c_cc[VMIN];
805 s[C_TIME] = td->c_cc[VTIME];
811 * Set the tty characters
814 tty__setchar(struct termios *td, unsigned char *s)
818 td->c_cc[VINTR] = s[C_INTR];
821 td->c_cc[VQUIT] = s[C_QUIT];
824 td->c_cc[VERASE] = s[C_ERASE];
827 td->c_cc[VKILL] = s[C_KILL];
830 td->c_cc[VEOF] = s[C_EOF];
833 td->c_cc[VEOL] = s[C_EOL];
836 td->c_cc[VEOL2] = s[C_EOL2];
839 td->c_cc[VSWTCH] = s[C_SWTCH];
842 td->c_cc[VDSWTCH] = s[C_DSWTCH];
845 td->c_cc[VERASE2] = s[C_ERASE2];
848 td->c_cc[VSTART] = s[C_START];
851 td->c_cc[VSTOP] = s[C_STOP];
854 td->c_cc[VWERASE] = s[C_WERASE];
857 td->c_cc[VSUSP] = s[C_SUSP];
860 td->c_cc[VDSUSP] = s[C_DSUSP];
863 td->c_cc[VREPRINT] = s[C_REPRINT];
864 #endif /* VREPRINT */
866 td->c_cc[VDISCARD] = s[C_DISCARD];
867 #endif /* VDISCARD */
869 td->c_cc[VLNEXT] = s[C_LNEXT];
872 td->c_cc[VSTATUS] = s[C_STATUS];
875 td->c_cc[VPAGE] = s[C_PAGE];
878 td->c_cc[VPGOFF] = s[C_PGOFF];
881 td->c_cc[VKILL2] = s[C_KILL2];
884 td->c_cc[VMIN] = s[C_MIN];
887 td->c_cc[VTIME] = s[C_TIME];
893 * Rebind the editline functions
896 tty_bind_char(EditLine *el, int force)
899 unsigned char *t_n = el->el_tty.t_c[ED_IO];
900 unsigned char *t_o = el->el_tty.t_ed.c_cc;
903 el_action_t *map, *alt;
904 const el_action_t *dmap, *dalt;
905 new[1] = old[1] = '\0';
907 map = el->el_map.key;
908 alt = el->el_map.alt;
909 if (el->el_map.type == MAP_VI) {
910 dmap = el->el_map.vii;
911 dalt = el->el_map.vic;
913 dmap = el->el_map.emacs;
917 for (tp = tty_map; tp->nch != (Int)-1; tp++) {
918 new[0] = t_n[tp->nch];
919 old[0] = t_o[tp->och];
920 if (new[0] == old[0] && !force)
922 /* Put the old default binding back, and set the new binding */
923 keymacro_clear(el, map, old);
924 map[UC(old[0])] = dmap[UC(old[0])];
925 keymacro_clear(el, map, new);
926 /* MAP_VI == 1, MAP_EMACS == 0... */
927 map[UC(new[0])] = tp->bind[el->el_map.type];
929 keymacro_clear(el, alt, old);
930 alt[UC(old[0])] = dalt[UC(old[0])];
931 keymacro_clear(el, alt, new);
932 alt[UC(new[0])] = tp->bind[el->el_map.type + 1];
939 * Set terminal into 1 character at a time mode.
942 tty_rawmode(EditLine *el)
945 if (el->el_tty.t_mode == ED_IO || el->el_tty.t_mode == QU_IO)
948 if (el->el_flags & EDIT_DISABLED)
951 if (tty_getty(el, &el->el_tty.t_ts) == -1) {
953 (void) fprintf(el->el_errfile, "tty_rawmode: tty_getty: %s\n",
955 #endif /* DEBUG_TTY */
959 * We always keep up with the eight bit setting and the speed of the
960 * tty. But we only believe changes that are made to cooked mode!
962 el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ts);
963 el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ts);
965 if (tty__getspeed(&el->el_tty.t_ex) != el->el_tty.t_speed ||
966 tty__getspeed(&el->el_tty.t_ed) != el->el_tty.t_speed) {
967 (void) cfsetispeed(&el->el_tty.t_ex, el->el_tty.t_speed);
968 (void) cfsetospeed(&el->el_tty.t_ex, el->el_tty.t_speed);
969 (void) cfsetispeed(&el->el_tty.t_ed, el->el_tty.t_speed);
970 (void) cfsetospeed(&el->el_tty.t_ed, el->el_tty.t_speed);
972 if (tty__cooked_mode(&el->el_tty.t_ts)) {
973 if (el->el_tty.t_ts.c_cflag != el->el_tty.t_ex.c_cflag) {
974 el->el_tty.t_ex.c_cflag =
975 el->el_tty.t_ts.c_cflag;
976 el->el_tty.t_ex.c_cflag &=
977 ~el->el_tty.t_t[EX_IO][MD_CTL].t_clrmask;
978 el->el_tty.t_ex.c_cflag |=
979 el->el_tty.t_t[EX_IO][MD_CTL].t_setmask;
981 el->el_tty.t_ed.c_cflag =
982 el->el_tty.t_ts.c_cflag;
983 el->el_tty.t_ed.c_cflag &=
984 ~el->el_tty.t_t[ED_IO][MD_CTL].t_clrmask;
985 el->el_tty.t_ed.c_cflag |=
986 el->el_tty.t_t[ED_IO][MD_CTL].t_setmask;
988 if ((el->el_tty.t_ts.c_lflag != el->el_tty.t_ex.c_lflag) &&
989 (el->el_tty.t_ts.c_lflag != el->el_tty.t_ed.c_lflag)) {
990 el->el_tty.t_ex.c_lflag =
991 el->el_tty.t_ts.c_lflag;
992 el->el_tty.t_ex.c_lflag &=
993 ~el->el_tty.t_t[EX_IO][MD_LIN].t_clrmask;
994 el->el_tty.t_ex.c_lflag |=
995 el->el_tty.t_t[EX_IO][MD_LIN].t_setmask;
997 el->el_tty.t_ed.c_lflag =
998 el->el_tty.t_ts.c_lflag;
999 el->el_tty.t_ed.c_lflag &=
1000 ~el->el_tty.t_t[ED_IO][MD_LIN].t_clrmask;
1001 el->el_tty.t_ed.c_lflag |=
1002 el->el_tty.t_t[ED_IO][MD_LIN].t_setmask;
1004 if ((el->el_tty.t_ts.c_iflag != el->el_tty.t_ex.c_iflag) &&
1005 (el->el_tty.t_ts.c_iflag != el->el_tty.t_ed.c_iflag)) {
1006 el->el_tty.t_ex.c_iflag =
1007 el->el_tty.t_ts.c_iflag;
1008 el->el_tty.t_ex.c_iflag &=
1009 ~el->el_tty.t_t[EX_IO][MD_INP].t_clrmask;
1010 el->el_tty.t_ex.c_iflag |=
1011 el->el_tty.t_t[EX_IO][MD_INP].t_setmask;
1013 el->el_tty.t_ed.c_iflag =
1014 el->el_tty.t_ts.c_iflag;
1015 el->el_tty.t_ed.c_iflag &=
1016 ~el->el_tty.t_t[ED_IO][MD_INP].t_clrmask;
1017 el->el_tty.t_ed.c_iflag |=
1018 el->el_tty.t_t[ED_IO][MD_INP].t_setmask;
1020 if ((el->el_tty.t_ts.c_oflag != el->el_tty.t_ex.c_oflag) &&
1021 (el->el_tty.t_ts.c_oflag != el->el_tty.t_ed.c_oflag)) {
1022 el->el_tty.t_ex.c_oflag =
1023 el->el_tty.t_ts.c_oflag;
1024 el->el_tty.t_ex.c_oflag &=
1025 ~el->el_tty.t_t[EX_IO][MD_OUT].t_clrmask;
1026 el->el_tty.t_ex.c_oflag |=
1027 el->el_tty.t_t[EX_IO][MD_OUT].t_setmask;
1029 el->el_tty.t_ed.c_oflag =
1030 el->el_tty.t_ts.c_oflag;
1031 el->el_tty.t_ed.c_oflag &=
1032 ~el->el_tty.t_t[ED_IO][MD_OUT].t_clrmask;
1033 el->el_tty.t_ed.c_oflag |=
1034 el->el_tty.t_t[ED_IO][MD_OUT].t_setmask;
1036 if (tty__gettabs(&el->el_tty.t_ex) == 0)
1037 el->el_tty.t_tabs = 0;
1039 el->el_tty.t_tabs = EL_CAN_TAB ? 1 : 0;
1044 tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]);
1046 * Check if the user made any changes.
1047 * If he did, then propagate the changes to the
1048 * edit and execute data structures.
1050 for (i = 0; i < C_NCC; i++)
1051 if (el->el_tty.t_c[TS_IO][i] !=
1052 el->el_tty.t_c[EX_IO][i])
1057 * Propagate changes only to the unprotected
1058 * chars that have been modified just now.
1060 for (i = 0; i < C_NCC; i++) {
1061 if (!((el->el_tty.t_t[ED_IO][MD_CHAR].t_setmask & C_SH(i)))
1062 && (el->el_tty.t_c[TS_IO][i] != el->el_tty.t_c[EX_IO][i]))
1063 el->el_tty.t_c[ED_IO][i] = el->el_tty.t_c[TS_IO][i];
1064 if (el->el_tty.t_t[ED_IO][MD_CHAR].t_clrmask & C_SH(i))
1065 el->el_tty.t_c[ED_IO][i] = el->el_tty.t_vdisable;
1067 tty_bind_char(el, 0);
1068 tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
1070 for (i = 0; i < C_NCC; i++) {
1071 if (!((el->el_tty.t_t[EX_IO][MD_CHAR].t_setmask & C_SH(i)))
1072 && (el->el_tty.t_c[TS_IO][i] != el->el_tty.t_c[EX_IO][i]))
1073 el->el_tty.t_c[EX_IO][i] = el->el_tty.t_c[TS_IO][i];
1074 if (el->el_tty.t_t[EX_IO][MD_CHAR].t_clrmask & C_SH(i))
1075 el->el_tty.t_c[EX_IO][i] = el->el_tty.t_vdisable;
1077 tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]);
1081 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) {
1083 (void) fprintf(el->el_errfile, "tty_rawmode: tty_setty: %s\n",
1085 #endif /* DEBUG_TTY */
1088 el->el_tty.t_mode = ED_IO;
1093 /* tty_cookedmode():
1094 * Set the tty back to normal mode
1097 tty_cookedmode(EditLine *el)
1098 { /* set tty in normal setup */
1100 if (el->el_tty.t_mode == EX_IO)
1103 if (el->el_flags & EDIT_DISABLED)
1106 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) {
1108 (void) fprintf(el->el_errfile,
1109 "tty_cookedmode: tty_setty: %s\n",
1111 #endif /* DEBUG_TTY */
1114 el->el_tty.t_mode = EX_IO;
1120 * Turn on quote mode
1123 tty_quotemode(EditLine *el)
1125 if (el->el_tty.t_mode == QU_IO)
1128 el->el_tty.t_qu = el->el_tty.t_ed;
1130 el->el_tty.t_qu.c_iflag &= ~el->el_tty.t_t[QU_IO][MD_INP].t_clrmask;
1131 el->el_tty.t_qu.c_iflag |= el->el_tty.t_t[QU_IO][MD_INP].t_setmask;
1133 el->el_tty.t_qu.c_oflag &= ~el->el_tty.t_t[QU_IO][MD_OUT].t_clrmask;
1134 el->el_tty.t_qu.c_oflag |= el->el_tty.t_t[QU_IO][MD_OUT].t_setmask;
1136 el->el_tty.t_qu.c_cflag &= ~el->el_tty.t_t[QU_IO][MD_CTL].t_clrmask;
1137 el->el_tty.t_qu.c_cflag |= el->el_tty.t_t[QU_IO][MD_CTL].t_setmask;
1139 el->el_tty.t_qu.c_lflag &= ~el->el_tty.t_t[QU_IO][MD_LIN].t_clrmask;
1140 el->el_tty.t_qu.c_lflag |= el->el_tty.t_t[QU_IO][MD_LIN].t_setmask;
1142 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_qu) == -1) {
1144 (void) fprintf(el->el_errfile, "QuoteModeOn: tty_setty: %s\n",
1146 #endif /* DEBUG_TTY */
1149 el->el_tty.t_mode = QU_IO;
1154 /* tty_noquotemode():
1155 * Turn off quote mode
1158 tty_noquotemode(EditLine *el)
1161 if (el->el_tty.t_mode != QU_IO)
1163 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) {
1165 (void) fprintf(el->el_errfile, "QuoteModeOff: tty_setty: %s\n",
1167 #endif /* DEBUG_TTY */
1170 el->el_tty.t_mode = ED_IO;
1180 tty_stty(EditLine *el, int argc __attribute__((__unused__)), const Char **argv)
1182 const ttymodes_t *m;
1186 char name[EL_BUFSIZ];
1187 struct termios *tios = &el->el_tty.t_ex;
1192 strncpy(name, ct_encode_string(*argv++, &el->el_scratch), sizeof(name));
1193 name[sizeof(name) - 1] = '\0';
1195 while (argv && *argv && argv[0][0] == '-' && argv[0][2] == '\0')
1196 switch (argv[0][1]) {
1203 tios = &el->el_tty.t_ed;
1208 tios = &el->el_tty.t_ex;
1213 tios = &el->el_tty.t_ts;
1217 (void) fprintf(el->el_errfile,
1218 "%s: Unknown switch `%c'.\n",
1223 if (!argv || !*argv) {
1225 size_t len = 0, st = 0, cu;
1226 for (m = ttymodes; m->m_name; m++) {
1227 if (m->m_type != i) {
1228 (void) fprintf(el->el_outfile, "%s%s",
1229 i != -1 ? "\n" : "",
1230 el->el_tty.t_t[z][m->m_type].t_name);
1233 strlen(el->el_tty.t_t[z][m->m_type].t_name);
1236 x = (el->el_tty.t_t[z][i].t_setmask & m->m_value)
1239 if (el->el_tty.t_t[z][i].t_clrmask & m->m_value)
1245 if (x != '\0' || aflag) {
1247 cu = strlen(m->m_name) + (x != '\0') + 1;
1249 if (len + cu >= (size_t)el->el_terminal.t_size.h) {
1250 (void) fprintf(el->el_outfile, "\n%*s",
1257 (void) fprintf(el->el_outfile, "%c%s ",
1260 (void) fprintf(el->el_outfile, "%s ",
1264 (void) fprintf(el->el_outfile, "\n");
1267 while (argv && (s = *argv++)) {
1280 for (m = ttymodes; m->m_name; m++)
1281 if ((p ? strncmp(m->m_name, ct_encode_string(d, &el->el_scratch), (size_t)(p - d)) :
1282 strcmp(m->m_name, ct_encode_string(d, &el->el_scratch))) == 0 &&
1283 (p == NULL || m->m_type == MD_CHAR))
1287 (void) fprintf(el->el_errfile,
1288 "%s: Invalid argument `" FSTR "'.\n", name, d);
1292 int c = ffs((int)m->m_value);
1293 int v = *++p ? parse__escape(&p) :
1294 el->el_tty.t_vdisable;
1297 c = tty__getcharindex(c);
1299 tios->c_cc[c] = (cc_t)v;
1304 el->el_tty.t_t[z][m->m_type].t_setmask |= m->m_value;
1305 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value;
1308 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value;
1309 el->el_tty.t_t[z][m->m_type].t_clrmask |= m->m_value;
1312 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value;
1313 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value;
1318 if (el->el_tty.t_mode == z) {
1319 if (tty_setty(el, TCSADRAIN, tios) == -1) {
1321 (void) fprintf(el->el_errfile,
1322 "tty_stty: tty_setty: %s\n", strerror(errno));
1323 #endif /* DEBUG_TTY */
1334 * DEbugging routine to print the tty characters
1337 tty_printchar(EditLine *el, unsigned char *s)
1342 for (i = 0; i < C_NCC; i++) {
1343 for (m = el->el_tty.t_t; m->m_name; m++)
1344 if (m->m_type == MD_CHAR && C_SH(i) == m->m_value)
1347 (void) fprintf(el->el_errfile, "%s ^%c ",
1348 m->m_name, s[i] + 'A' - 1);
1350 (void) fprintf(el->el_errfile, "\n");
1352 (void) fprintf(el->el_errfile, "\n");