tty.c revision 1.65
1 /* $NetBSD: tty.c,v 1.65 2016/05/09 21:46:56 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Christos Zoulas of Cornell University. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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. 21 * 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 32 * SUCH DAMAGE. 33 */ 34 35 #include "config.h" 36 #if !defined(lint) && !defined(SCCSID) 37 #if 0 38 static char sccsid[] = "@(#)tty.c 8.1 (Berkeley) 6/4/93"; 39 #else 40 __RCSID("$NetBSD: tty.c,v 1.65 2016/05/09 21:46:56 christos Exp $"); 41 #endif 42 #endif /* not lint && not SCCSID */ 43 44 /* 45 * tty.c: tty interface stuff 46 */ 47 #include <assert.h> 48 #include <errno.h> 49 #include <stdlib.h> /* for abort */ 50 #include <string.h> 51 #include <strings.h> /* for ffs */ 52 #include <unistd.h> /* for isatty */ 53 54 #include "el.h" 55 #include "fcns.h" 56 #include "parse.h" 57 58 typedef struct ttymodes_t { 59 const char *m_name; 60 unsigned int m_value; 61 int m_type; 62 } ttymodes_t; 63 64 typedef struct ttymap_t { 65 wint_t nch, och; /* Internal and termio rep of chars */ 66 el_action_t bind[3]; /* emacs, vi, and vi-cmd */ 67 } ttymap_t; 68 69 70 static const ttyperm_t ttyperm = { 71 { 72 {"iflag:", ICRNL, (INLCR | IGNCR)}, 73 {"oflag:", (OPOST | ONLCR), ONLRET}, 74 {"cflag:", 0, 0}, 75 {"lflag:", (ISIG | ICANON | ECHO | ECHOE | ECHOCTL | IEXTEN), 76 (NOFLSH | ECHONL | EXTPROC | FLUSHO)}, 77 {"chars:", 0, 0}, 78 }, 79 { 80 {"iflag:", (INLCR | ICRNL), IGNCR}, 81 {"oflag:", (OPOST | ONLCR), ONLRET}, 82 {"cflag:", 0, 0}, 83 {"lflag:", ISIG, 84 (NOFLSH | ICANON | ECHO | ECHOK | ECHONL | EXTPROC | IEXTEN | FLUSHO)}, 85 {"chars:", (C_SH(C_MIN) | C_SH(C_TIME) | C_SH(C_SWTCH) | C_SH(C_DSWTCH) | 86 C_SH(C_SUSP) | C_SH(C_DSUSP) | C_SH(C_EOL) | C_SH(C_DISCARD) | 87 C_SH(C_PGOFF) | C_SH(C_PAGE) | C_SH(C_STATUS)), 0} 88 }, 89 { 90 {"iflag:", 0, IXON | IXOFF | INLCR | ICRNL}, 91 {"oflag:", 0, 0}, 92 {"cflag:", 0, 0}, 93 {"lflag:", 0, ISIG | IEXTEN}, 94 {"chars:", 0, 0}, 95 } 96 }; 97 98 static const ttychar_t ttychar = { 99 { 100 CINTR, CQUIT, CERASE, CKILL, 101 CEOF, CEOL, CEOL2, CSWTCH, 102 CDSWTCH, CERASE2, CSTART, CSTOP, 103 CWERASE, CSUSP, CDSUSP, CREPRINT, 104 CDISCARD, CLNEXT, CSTATUS, CPAGE, 105 CPGOFF, CKILL2, CBRK, CMIN, 106 CTIME 107 }, 108 { 109 CINTR, CQUIT, CERASE, CKILL, 110 _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, 111 _POSIX_VDISABLE, CERASE2, CSTART, CSTOP, 112 _POSIX_VDISABLE, CSUSP, _POSIX_VDISABLE, _POSIX_VDISABLE, 113 CDISCARD, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, 114 _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, 1, 115 0 116 }, 117 { 118 0, 0, 0, 0, 119 0, 0, 0, 0, 120 0, 0, 0, 0, 121 0, 0, 0, 0, 122 0, 0, 0, 0, 123 0, 0, 0, 0, 124 0 125 } 126 }; 127 128 static const ttymap_t tty_map[] = { 129 #ifdef VERASE 130 {C_ERASE, VERASE, 131 {EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}}, 132 #endif /* VERASE */ 133 #ifdef VERASE2 134 {C_ERASE2, VERASE2, 135 {EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}}, 136 #endif /* VERASE2 */ 137 #ifdef VKILL 138 {C_KILL, VKILL, 139 {EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}}, 140 #endif /* VKILL */ 141 #ifdef VKILL2 142 {C_KILL2, VKILL2, 143 {EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}}, 144 #endif /* VKILL2 */ 145 #ifdef VEOF 146 {C_EOF, VEOF, 147 {EM_DELETE_OR_LIST, VI_LIST_OR_EOF, ED_UNASSIGNED}}, 148 #endif /* VEOF */ 149 #ifdef VWERASE 150 {C_WERASE, VWERASE, 151 {ED_DELETE_PREV_WORD, ED_DELETE_PREV_WORD, ED_PREV_WORD}}, 152 #endif /* VWERASE */ 153 #ifdef VREPRINT 154 {C_REPRINT, VREPRINT, 155 {ED_REDISPLAY, ED_INSERT, ED_REDISPLAY}}, 156 #endif /* VREPRINT */ 157 #ifdef VLNEXT 158 {C_LNEXT, VLNEXT, 159 {ED_QUOTED_INSERT, ED_QUOTED_INSERT, ED_UNASSIGNED}}, 160 #endif /* VLNEXT */ 161 {(wint_t)-1, (wint_t)-1, 162 {ED_UNASSIGNED, ED_UNASSIGNED, ED_UNASSIGNED}} 163 }; 164 165 static const ttymodes_t ttymodes[] = { 166 #ifdef IGNBRK 167 {"ignbrk", IGNBRK, MD_INP}, 168 #endif /* IGNBRK */ 169 #ifdef BRKINT 170 {"brkint", BRKINT, MD_INP}, 171 #endif /* BRKINT */ 172 #ifdef IGNPAR 173 {"ignpar", IGNPAR, MD_INP}, 174 #endif /* IGNPAR */ 175 #ifdef PARMRK 176 {"parmrk", PARMRK, MD_INP}, 177 #endif /* PARMRK */ 178 #ifdef INPCK 179 {"inpck", INPCK, MD_INP}, 180 #endif /* INPCK */ 181 #ifdef ISTRIP 182 {"istrip", ISTRIP, MD_INP}, 183 #endif /* ISTRIP */ 184 #ifdef INLCR 185 {"inlcr", INLCR, MD_INP}, 186 #endif /* INLCR */ 187 #ifdef IGNCR 188 {"igncr", IGNCR, MD_INP}, 189 #endif /* IGNCR */ 190 #ifdef ICRNL 191 {"icrnl", ICRNL, MD_INP}, 192 #endif /* ICRNL */ 193 #ifdef IUCLC 194 {"iuclc", IUCLC, MD_INP}, 195 #endif /* IUCLC */ 196 #ifdef IXON 197 {"ixon", IXON, MD_INP}, 198 #endif /* IXON */ 199 #ifdef IXANY 200 {"ixany", IXANY, MD_INP}, 201 #endif /* IXANY */ 202 #ifdef IXOFF 203 {"ixoff", IXOFF, MD_INP}, 204 #endif /* IXOFF */ 205 #ifdef IMAXBEL 206 {"imaxbel", IMAXBEL, MD_INP}, 207 #endif /* IMAXBEL */ 208 209 #ifdef OPOST 210 {"opost", OPOST, MD_OUT}, 211 #endif /* OPOST */ 212 #ifdef OLCUC 213 {"olcuc", OLCUC, MD_OUT}, 214 #endif /* OLCUC */ 215 #ifdef ONLCR 216 {"onlcr", ONLCR, MD_OUT}, 217 #endif /* ONLCR */ 218 #ifdef OCRNL 219 {"ocrnl", OCRNL, MD_OUT}, 220 #endif /* OCRNL */ 221 #ifdef ONOCR 222 {"onocr", ONOCR, MD_OUT}, 223 #endif /* ONOCR */ 224 #ifdef ONOEOT 225 {"onoeot", ONOEOT, MD_OUT}, 226 #endif /* ONOEOT */ 227 #ifdef ONLRET 228 {"onlret", ONLRET, MD_OUT}, 229 #endif /* ONLRET */ 230 #ifdef OFILL 231 {"ofill", OFILL, MD_OUT}, 232 #endif /* OFILL */ 233 #ifdef OFDEL 234 {"ofdel", OFDEL, MD_OUT}, 235 #endif /* OFDEL */ 236 #ifdef NLDLY 237 {"nldly", NLDLY, MD_OUT}, 238 #endif /* NLDLY */ 239 #ifdef CRDLY 240 {"crdly", CRDLY, MD_OUT}, 241 #endif /* CRDLY */ 242 #ifdef TABDLY 243 {"tabdly", TABDLY, MD_OUT}, 244 #endif /* TABDLY */ 245 #ifdef XTABS 246 {"xtabs", XTABS, MD_OUT}, 247 #endif /* XTABS */ 248 #ifdef BSDLY 249 {"bsdly", BSDLY, MD_OUT}, 250 #endif /* BSDLY */ 251 #ifdef VTDLY 252 {"vtdly", VTDLY, MD_OUT}, 253 #endif /* VTDLY */ 254 #ifdef FFDLY 255 {"ffdly", FFDLY, MD_OUT}, 256 #endif /* FFDLY */ 257 #ifdef PAGEOUT 258 {"pageout", PAGEOUT, MD_OUT}, 259 #endif /* PAGEOUT */ 260 #ifdef WRAP 261 {"wrap", WRAP, MD_OUT}, 262 #endif /* WRAP */ 263 264 #ifdef CIGNORE 265 {"cignore", CIGNORE, MD_CTL}, 266 #endif /* CBAUD */ 267 #ifdef CBAUD 268 {"cbaud", CBAUD, MD_CTL}, 269 #endif /* CBAUD */ 270 #ifdef CSTOPB 271 {"cstopb", CSTOPB, MD_CTL}, 272 #endif /* CSTOPB */ 273 #ifdef CREAD 274 {"cread", CREAD, MD_CTL}, 275 #endif /* CREAD */ 276 #ifdef PARENB 277 {"parenb", PARENB, MD_CTL}, 278 #endif /* PARENB */ 279 #ifdef PARODD 280 {"parodd", PARODD, MD_CTL}, 281 #endif /* PARODD */ 282 #ifdef HUPCL 283 {"hupcl", HUPCL, MD_CTL}, 284 #endif /* HUPCL */ 285 #ifdef CLOCAL 286 {"clocal", CLOCAL, MD_CTL}, 287 #endif /* CLOCAL */ 288 #ifdef LOBLK 289 {"loblk", LOBLK, MD_CTL}, 290 #endif /* LOBLK */ 291 #ifdef CIBAUD 292 {"cibaud", CIBAUD, MD_CTL}, 293 #endif /* CIBAUD */ 294 #ifdef CRTSCTS 295 #ifdef CCTS_OFLOW 296 {"ccts_oflow", CCTS_OFLOW, MD_CTL}, 297 #else 298 {"crtscts", CRTSCTS, MD_CTL}, 299 #endif /* CCTS_OFLOW */ 300 #endif /* CRTSCTS */ 301 #ifdef CRTS_IFLOW 302 {"crts_iflow", CRTS_IFLOW, MD_CTL}, 303 #endif /* CRTS_IFLOW */ 304 #ifdef CDTRCTS 305 {"cdtrcts", CDTRCTS, MD_CTL}, 306 #endif /* CDTRCTS */ 307 #ifdef MDMBUF 308 {"mdmbuf", MDMBUF, MD_CTL}, 309 #endif /* MDMBUF */ 310 #ifdef RCV1EN 311 {"rcv1en", RCV1EN, MD_CTL}, 312 #endif /* RCV1EN */ 313 #ifdef XMT1EN 314 {"xmt1en", XMT1EN, MD_CTL}, 315 #endif /* XMT1EN */ 316 317 #ifdef ISIG 318 {"isig", ISIG, MD_LIN}, 319 #endif /* ISIG */ 320 #ifdef ICANON 321 {"icanon", ICANON, MD_LIN}, 322 #endif /* ICANON */ 323 #ifdef XCASE 324 {"xcase", XCASE, MD_LIN}, 325 #endif /* XCASE */ 326 #ifdef ECHO 327 {"echo", ECHO, MD_LIN}, 328 #endif /* ECHO */ 329 #ifdef ECHOE 330 {"echoe", ECHOE, MD_LIN}, 331 #endif /* ECHOE */ 332 #ifdef ECHOK 333 {"echok", ECHOK, MD_LIN}, 334 #endif /* ECHOK */ 335 #ifdef ECHONL 336 {"echonl", ECHONL, MD_LIN}, 337 #endif /* ECHONL */ 338 #ifdef NOFLSH 339 {"noflsh", NOFLSH, MD_LIN}, 340 #endif /* NOFLSH */ 341 #ifdef TOSTOP 342 {"tostop", TOSTOP, MD_LIN}, 343 #endif /* TOSTOP */ 344 #ifdef ECHOCTL 345 {"echoctl", ECHOCTL, MD_LIN}, 346 #endif /* ECHOCTL */ 347 #ifdef ECHOPRT 348 {"echoprt", ECHOPRT, MD_LIN}, 349 #endif /* ECHOPRT */ 350 #ifdef ECHOKE 351 {"echoke", ECHOKE, MD_LIN}, 352 #endif /* ECHOKE */ 353 #ifdef DEFECHO 354 {"defecho", DEFECHO, MD_LIN}, 355 #endif /* DEFECHO */ 356 #ifdef FLUSHO 357 {"flusho", FLUSHO, MD_LIN}, 358 #endif /* FLUSHO */ 359 #ifdef PENDIN 360 {"pendin", PENDIN, MD_LIN}, 361 #endif /* PENDIN */ 362 #ifdef IEXTEN 363 {"iexten", IEXTEN, MD_LIN}, 364 #endif /* IEXTEN */ 365 #ifdef NOKERNINFO 366 {"nokerninfo", NOKERNINFO, MD_LIN}, 367 #endif /* NOKERNINFO */ 368 #ifdef ALTWERASE 369 {"altwerase", ALTWERASE, MD_LIN}, 370 #endif /* ALTWERASE */ 371 #ifdef EXTPROC 372 {"extproc", EXTPROC, MD_LIN}, 373 #endif /* EXTPROC */ 374 375 #if defined(VINTR) 376 {"intr", C_SH(C_INTR), MD_CHAR}, 377 #endif /* VINTR */ 378 #if defined(VQUIT) 379 {"quit", C_SH(C_QUIT), MD_CHAR}, 380 #endif /* VQUIT */ 381 #if defined(VERASE) 382 {"erase", C_SH(C_ERASE), MD_CHAR}, 383 #endif /* VERASE */ 384 #if defined(VKILL) 385 {"kill", C_SH(C_KILL), MD_CHAR}, 386 #endif /* VKILL */ 387 #if defined(VEOF) 388 {"eof", C_SH(C_EOF), MD_CHAR}, 389 #endif /* VEOF */ 390 #if defined(VEOL) 391 {"eol", C_SH(C_EOL), MD_CHAR}, 392 #endif /* VEOL */ 393 #if defined(VEOL2) 394 {"eol2", C_SH(C_EOL2), MD_CHAR}, 395 #endif /* VEOL2 */ 396 #if defined(VSWTCH) 397 {"swtch", C_SH(C_SWTCH), MD_CHAR}, 398 #endif /* VSWTCH */ 399 #if defined(VDSWTCH) 400 {"dswtch", C_SH(C_DSWTCH), MD_CHAR}, 401 #endif /* VDSWTCH */ 402 #if defined(VERASE2) 403 {"erase2", C_SH(C_ERASE2), MD_CHAR}, 404 #endif /* VERASE2 */ 405 #if defined(VSTART) 406 {"start", C_SH(C_START), MD_CHAR}, 407 #endif /* VSTART */ 408 #if defined(VSTOP) 409 {"stop", C_SH(C_STOP), MD_CHAR}, 410 #endif /* VSTOP */ 411 #if defined(VWERASE) 412 {"werase", C_SH(C_WERASE), MD_CHAR}, 413 #endif /* VWERASE */ 414 #if defined(VSUSP) 415 {"susp", C_SH(C_SUSP), MD_CHAR}, 416 #endif /* VSUSP */ 417 #if defined(VDSUSP) 418 {"dsusp", C_SH(C_DSUSP), MD_CHAR}, 419 #endif /* VDSUSP */ 420 #if defined(VREPRINT) 421 {"reprint", C_SH(C_REPRINT), MD_CHAR}, 422 #endif /* VREPRINT */ 423 #if defined(VDISCARD) 424 {"discard", C_SH(C_DISCARD), MD_CHAR}, 425 #endif /* VDISCARD */ 426 #if defined(VLNEXT) 427 {"lnext", C_SH(C_LNEXT), MD_CHAR}, 428 #endif /* VLNEXT */ 429 #if defined(VSTATUS) 430 {"status", C_SH(C_STATUS), MD_CHAR}, 431 #endif /* VSTATUS */ 432 #if defined(VPAGE) 433 {"page", C_SH(C_PAGE), MD_CHAR}, 434 #endif /* VPAGE */ 435 #if defined(VPGOFF) 436 {"pgoff", C_SH(C_PGOFF), MD_CHAR}, 437 #endif /* VPGOFF */ 438 #if defined(VKILL2) 439 {"kill2", C_SH(C_KILL2), MD_CHAR}, 440 #endif /* VKILL2 */ 441 #if defined(VBRK) 442 {"brk", C_SH(C_BRK), MD_CHAR}, 443 #endif /* VBRK */ 444 #if defined(VMIN) 445 {"min", C_SH(C_MIN), MD_CHAR}, 446 #endif /* VMIN */ 447 #if defined(VTIME) 448 {"time", C_SH(C_TIME), MD_CHAR}, 449 #endif /* VTIME */ 450 {NULL, 0, -1}, 451 }; 452 453 454 455 #define tty__gettabs(td) ((((td)->c_oflag & TAB3) == TAB3) ? 0 : 1) 456 #define tty__geteightbit(td) (((td)->c_cflag & CSIZE) == CS8) 457 #define tty__cooked_mode(td) ((td)->c_lflag & ICANON) 458 459 static int tty_getty(EditLine *, struct termios *); 460 static int tty_setty(EditLine *, int, const struct termios *); 461 static int tty__getcharindex(int); 462 static void tty__getchar(struct termios *, unsigned char *); 463 static void tty__setchar(struct termios *, unsigned char *); 464 static speed_t tty__getspeed(struct termios *); 465 static int tty_setup(EditLine *); 466 static void tty_setup_flags(EditLine *, struct termios *, int); 467 468 #define t_qu t_ts 469 470 /* tty_getty(): 471 * Wrapper for tcgetattr to handle EINTR 472 */ 473 static int 474 tty_getty(EditLine *el, struct termios *t) 475 { 476 int rv; 477 while ((rv = tcgetattr(el->el_infd, t)) == -1 && errno == EINTR) 478 continue; 479 return rv; 480 } 481 482 /* tty_setty(): 483 * Wrapper for tcsetattr to handle EINTR 484 */ 485 static int 486 tty_setty(EditLine *el, int action, const struct termios *t) 487 { 488 int rv; 489 while ((rv = tcsetattr(el->el_infd, action, t)) == -1 && errno == EINTR) 490 continue; 491 return rv; 492 } 493 494 /* tty_setup(): 495 * Get the tty parameters and initialize the editing state 496 */ 497 static int 498 tty_setup(EditLine *el) 499 { 500 int rst = 1; 501 502 if (el->el_flags & EDIT_DISABLED) 503 return 0; 504 505 if (el->el_tty.t_initialized) 506 return -1; 507 508 if (!isatty(el->el_outfd)) { 509 #ifdef DEBUG_TTY 510 (void) fprintf(el->el_errfile, "%s: isatty: %s\n", __func__, 511 strerror(errno)); 512 #endif /* DEBUG_TTY */ 513 return -1; 514 } 515 if (tty_getty(el, &el->el_tty.t_or) == -1) { 516 #ifdef DEBUG_TTY 517 (void) fprintf(el->el_errfile, "%s: tty_getty: %s\n", __func__, 518 strerror(errno)); 519 #endif /* DEBUG_TTY */ 520 return -1; 521 } 522 el->el_tty.t_ts = el->el_tty.t_ex = el->el_tty.t_ed = el->el_tty.t_or; 523 524 el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ex); 525 el->el_tty.t_tabs = tty__gettabs(&el->el_tty.t_ex); 526 el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ex); 527 528 tty_setup_flags(el, &el->el_tty.t_ex, EX_IO); 529 530 /* 531 * Reset the tty chars to reasonable defaults 532 * If they are disabled, then enable them. 533 */ 534 if (rst) { 535 if (tty__cooked_mode(&el->el_tty.t_ts)) { 536 tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]); 537 /* 538 * Don't affect CMIN and CTIME for the editor mode 539 */ 540 for (rst = 0; rst < C_NCC - 2; rst++) 541 if (el->el_tty.t_c[TS_IO][rst] != 542 el->el_tty.t_vdisable 543 && el->el_tty.t_c[ED_IO][rst] != 544 el->el_tty.t_vdisable) 545 el->el_tty.t_c[ED_IO][rst] = 546 el->el_tty.t_c[TS_IO][rst]; 547 for (rst = 0; rst < C_NCC; rst++) 548 if (el->el_tty.t_c[TS_IO][rst] != 549 el->el_tty.t_vdisable) 550 el->el_tty.t_c[EX_IO][rst] = 551 el->el_tty.t_c[TS_IO][rst]; 552 } 553 tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]); 554 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) { 555 #ifdef DEBUG_TTY 556 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", 557 __func__, strerror(errno)); 558 #endif /* DEBUG_TTY */ 559 return -1; 560 } 561 } 562 563 tty_setup_flags(el, &el->el_tty.t_ed, ED_IO); 564 565 tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]); 566 tty_bind_char(el, 1); 567 el->el_tty.t_initialized = 1; 568 return 0; 569 } 570 571 libedit_private int 572 tty_init(EditLine *el) 573 { 574 575 el->el_tty.t_mode = EX_IO; 576 el->el_tty.t_vdisable = _POSIX_VDISABLE; 577 el->el_tty.t_initialized = 0; 578 (void) memcpy(el->el_tty.t_t, ttyperm, sizeof(ttyperm_t)); 579 (void) memcpy(el->el_tty.t_c, ttychar, sizeof(ttychar_t)); 580 return tty_setup(el); 581 } 582 583 584 /* tty_end(): 585 * Restore the tty to its original settings 586 */ 587 libedit_private void 588 /*ARGSUSED*/ 589 tty_end(EditLine *el) 590 { 591 if (el->el_flags & EDIT_DISABLED) 592 return; 593 594 if (!el->el_tty.t_initialized) 595 return; 596 597 if (tty_setty(el, TCSAFLUSH, &el->el_tty.t_or) == -1) { 598 #ifdef DEBUG_TTY 599 (void) fprintf(el->el_errfile, 600 "%s: tty_setty: %s\n", __func__, strerror(errno)); 601 #endif /* DEBUG_TTY */ 602 } 603 } 604 605 606 /* tty__getspeed(): 607 * Get the tty speed 608 */ 609 static speed_t 610 tty__getspeed(struct termios *td) 611 { 612 speed_t spd; 613 614 if ((spd = cfgetispeed(td)) == 0) 615 spd = cfgetospeed(td); 616 return spd; 617 } 618 619 /* tty__getspeed(): 620 * Return the index of the asked char in the c_cc array 621 */ 622 static int 623 tty__getcharindex(int i) 624 { 625 switch (i) { 626 #ifdef VINTR 627 case C_INTR: 628 return VINTR; 629 #endif /* VINTR */ 630 #ifdef VQUIT 631 case C_QUIT: 632 return VQUIT; 633 #endif /* VQUIT */ 634 #ifdef VERASE 635 case C_ERASE: 636 return VERASE; 637 #endif /* VERASE */ 638 #ifdef VKILL 639 case C_KILL: 640 return VKILL; 641 #endif /* VKILL */ 642 #ifdef VEOF 643 case C_EOF: 644 return VEOF; 645 #endif /* VEOF */ 646 #ifdef VEOL 647 case C_EOL: 648 return VEOL; 649 #endif /* VEOL */ 650 #ifdef VEOL2 651 case C_EOL2: 652 return VEOL2; 653 #endif /* VEOL2 */ 654 #ifdef VSWTCH 655 case C_SWTCH: 656 return VSWTCH; 657 #endif /* VSWTCH */ 658 #ifdef VDSWTCH 659 case C_DSWTCH: 660 return VDSWTCH; 661 #endif /* VDSWTCH */ 662 #ifdef VERASE2 663 case C_ERASE2: 664 return VERASE2; 665 #endif /* VERASE2 */ 666 #ifdef VSTART 667 case C_START: 668 return VSTART; 669 #endif /* VSTART */ 670 #ifdef VSTOP 671 case C_STOP: 672 return VSTOP; 673 #endif /* VSTOP */ 674 #ifdef VWERASE 675 case C_WERASE: 676 return VWERASE; 677 #endif /* VWERASE */ 678 #ifdef VSUSP 679 case C_SUSP: 680 return VSUSP; 681 #endif /* VSUSP */ 682 #ifdef VDSUSP 683 case C_DSUSP: 684 return VDSUSP; 685 #endif /* VDSUSP */ 686 #ifdef VREPRINT 687 case C_REPRINT: 688 return VREPRINT; 689 #endif /* VREPRINT */ 690 #ifdef VDISCARD 691 case C_DISCARD: 692 return VDISCARD; 693 #endif /* VDISCARD */ 694 #ifdef VLNEXT 695 case C_LNEXT: 696 return VLNEXT; 697 #endif /* VLNEXT */ 698 #ifdef VSTATUS 699 case C_STATUS: 700 return VSTATUS; 701 #endif /* VSTATUS */ 702 #ifdef VPAGE 703 case C_PAGE: 704 return VPAGE; 705 #endif /* VPAGE */ 706 #ifdef VPGOFF 707 case C_PGOFF: 708 return VPGOFF; 709 #endif /* VPGOFF */ 710 #ifdef VKILL2 711 case C_KILL2: 712 return VKILL2; 713 #endif /* KILL2 */ 714 #ifdef VMIN 715 case C_MIN: 716 return VMIN; 717 #endif /* VMIN */ 718 #ifdef VTIME 719 case C_TIME: 720 return VTIME; 721 #endif /* VTIME */ 722 default: 723 return -1; 724 } 725 } 726 727 /* tty__getchar(): 728 * Get the tty characters 729 */ 730 static void 731 tty__getchar(struct termios *td, unsigned char *s) 732 { 733 734 #ifdef VINTR 735 s[C_INTR] = td->c_cc[VINTR]; 736 #endif /* VINTR */ 737 #ifdef VQUIT 738 s[C_QUIT] = td->c_cc[VQUIT]; 739 #endif /* VQUIT */ 740 #ifdef VERASE 741 s[C_ERASE] = td->c_cc[VERASE]; 742 #endif /* VERASE */ 743 #ifdef VKILL 744 s[C_KILL] = td->c_cc[VKILL]; 745 #endif /* VKILL */ 746 #ifdef VEOF 747 s[C_EOF] = td->c_cc[VEOF]; 748 #endif /* VEOF */ 749 #ifdef VEOL 750 s[C_EOL] = td->c_cc[VEOL]; 751 #endif /* VEOL */ 752 #ifdef VEOL2 753 s[C_EOL2] = td->c_cc[VEOL2]; 754 #endif /* VEOL2 */ 755 #ifdef VSWTCH 756 s[C_SWTCH] = td->c_cc[VSWTCH]; 757 #endif /* VSWTCH */ 758 #ifdef VDSWTCH 759 s[C_DSWTCH] = td->c_cc[VDSWTCH]; 760 #endif /* VDSWTCH */ 761 #ifdef VERASE2 762 s[C_ERASE2] = td->c_cc[VERASE2]; 763 #endif /* VERASE2 */ 764 #ifdef VSTART 765 s[C_START] = td->c_cc[VSTART]; 766 #endif /* VSTART */ 767 #ifdef VSTOP 768 s[C_STOP] = td->c_cc[VSTOP]; 769 #endif /* VSTOP */ 770 #ifdef VWERASE 771 s[C_WERASE] = td->c_cc[VWERASE]; 772 #endif /* VWERASE */ 773 #ifdef VSUSP 774 s[C_SUSP] = td->c_cc[VSUSP]; 775 #endif /* VSUSP */ 776 #ifdef VDSUSP 777 s[C_DSUSP] = td->c_cc[VDSUSP]; 778 #endif /* VDSUSP */ 779 #ifdef VREPRINT 780 s[C_REPRINT] = td->c_cc[VREPRINT]; 781 #endif /* VREPRINT */ 782 #ifdef VDISCARD 783 s[C_DISCARD] = td->c_cc[VDISCARD]; 784 #endif /* VDISCARD */ 785 #ifdef VLNEXT 786 s[C_LNEXT] = td->c_cc[VLNEXT]; 787 #endif /* VLNEXT */ 788 #ifdef VSTATUS 789 s[C_STATUS] = td->c_cc[VSTATUS]; 790 #endif /* VSTATUS */ 791 #ifdef VPAGE 792 s[C_PAGE] = td->c_cc[VPAGE]; 793 #endif /* VPAGE */ 794 #ifdef VPGOFF 795 s[C_PGOFF] = td->c_cc[VPGOFF]; 796 #endif /* VPGOFF */ 797 #ifdef VKILL2 798 s[C_KILL2] = td->c_cc[VKILL2]; 799 #endif /* KILL2 */ 800 #ifdef VMIN 801 s[C_MIN] = td->c_cc[VMIN]; 802 #endif /* VMIN */ 803 #ifdef VTIME 804 s[C_TIME] = td->c_cc[VTIME]; 805 #endif /* VTIME */ 806 } /* tty__getchar */ 807 808 809 /* tty__setchar(): 810 * Set the tty characters 811 */ 812 static void 813 tty__setchar(struct termios *td, unsigned char *s) 814 { 815 816 #ifdef VINTR 817 td->c_cc[VINTR] = s[C_INTR]; 818 #endif /* VINTR */ 819 #ifdef VQUIT 820 td->c_cc[VQUIT] = s[C_QUIT]; 821 #endif /* VQUIT */ 822 #ifdef VERASE 823 td->c_cc[VERASE] = s[C_ERASE]; 824 #endif /* VERASE */ 825 #ifdef VKILL 826 td->c_cc[VKILL] = s[C_KILL]; 827 #endif /* VKILL */ 828 #ifdef VEOF 829 td->c_cc[VEOF] = s[C_EOF]; 830 #endif /* VEOF */ 831 #ifdef VEOL 832 td->c_cc[VEOL] = s[C_EOL]; 833 #endif /* VEOL */ 834 #ifdef VEOL2 835 td->c_cc[VEOL2] = s[C_EOL2]; 836 #endif /* VEOL2 */ 837 #ifdef VSWTCH 838 td->c_cc[VSWTCH] = s[C_SWTCH]; 839 #endif /* VSWTCH */ 840 #ifdef VDSWTCH 841 td->c_cc[VDSWTCH] = s[C_DSWTCH]; 842 #endif /* VDSWTCH */ 843 #ifdef VERASE2 844 td->c_cc[VERASE2] = s[C_ERASE2]; 845 #endif /* VERASE2 */ 846 #ifdef VSTART 847 td->c_cc[VSTART] = s[C_START]; 848 #endif /* VSTART */ 849 #ifdef VSTOP 850 td->c_cc[VSTOP] = s[C_STOP]; 851 #endif /* VSTOP */ 852 #ifdef VWERASE 853 td->c_cc[VWERASE] = s[C_WERASE]; 854 #endif /* VWERASE */ 855 #ifdef VSUSP 856 td->c_cc[VSUSP] = s[C_SUSP]; 857 #endif /* VSUSP */ 858 #ifdef VDSUSP 859 td->c_cc[VDSUSP] = s[C_DSUSP]; 860 #endif /* VDSUSP */ 861 #ifdef VREPRINT 862 td->c_cc[VREPRINT] = s[C_REPRINT]; 863 #endif /* VREPRINT */ 864 #ifdef VDISCARD 865 td->c_cc[VDISCARD] = s[C_DISCARD]; 866 #endif /* VDISCARD */ 867 #ifdef VLNEXT 868 td->c_cc[VLNEXT] = s[C_LNEXT]; 869 #endif /* VLNEXT */ 870 #ifdef VSTATUS 871 td->c_cc[VSTATUS] = s[C_STATUS]; 872 #endif /* VSTATUS */ 873 #ifdef VPAGE 874 td->c_cc[VPAGE] = s[C_PAGE]; 875 #endif /* VPAGE */ 876 #ifdef VPGOFF 877 td->c_cc[VPGOFF] = s[C_PGOFF]; 878 #endif /* VPGOFF */ 879 #ifdef VKILL2 880 td->c_cc[VKILL2] = s[C_KILL2]; 881 #endif /* VKILL2 */ 882 #ifdef VMIN 883 td->c_cc[VMIN] = s[C_MIN]; 884 #endif /* VMIN */ 885 #ifdef VTIME 886 td->c_cc[VTIME] = s[C_TIME]; 887 #endif /* VTIME */ 888 } /* tty__setchar */ 889 890 891 /* tty_bind_char(): 892 * Rebind the editline functions 893 */ 894 libedit_private void 895 tty_bind_char(EditLine *el, int force) 896 { 897 898 unsigned char *t_n = el->el_tty.t_c[ED_IO]; 899 unsigned char *t_o = el->el_tty.t_ed.c_cc; 900 wchar_t new[2], old[2]; 901 const ttymap_t *tp; 902 el_action_t *map, *alt; 903 const el_action_t *dmap, *dalt; 904 new[1] = old[1] = '\0'; 905 906 map = el->el_map.key; 907 alt = el->el_map.alt; 908 if (el->el_map.type == MAP_VI) { 909 dmap = el->el_map.vii; 910 dalt = el->el_map.vic; 911 } else { 912 dmap = el->el_map.emacs; 913 dalt = NULL; 914 } 915 916 for (tp = tty_map; tp->nch != (wint_t)-1; tp++) { 917 new[0] = (wchar_t)t_n[tp->nch]; 918 old[0] = (wchar_t)t_o[tp->och]; 919 if (new[0] == old[0] && !force) 920 continue; 921 /* Put the old default binding back, and set the new binding */ 922 keymacro_clear(el, map, old); 923 map[(unsigned char)old[0]] = dmap[(unsigned char)old[0]]; 924 keymacro_clear(el, map, new); 925 /* MAP_VI == 1, MAP_EMACS == 0... */ 926 map[(unsigned char)new[0]] = tp->bind[el->el_map.type]; 927 if (dalt) { 928 keymacro_clear(el, alt, old); 929 alt[(unsigned char)old[0]] = 930 dalt[(unsigned char)old[0]]; 931 keymacro_clear(el, alt, new); 932 alt[(unsigned char)new[0]] = 933 tp->bind[el->el_map.type + 1]; 934 } 935 } 936 } 937 938 939 static tcflag_t * 940 tty__get_flag(struct termios *t, int kind) { 941 switch (kind) { 942 case MD_INP: 943 return &t->c_iflag; 944 case MD_OUT: 945 return &t->c_oflag; 946 case MD_CTL: 947 return &t->c_cflag; 948 case MD_LIN: 949 return &t->c_lflag; 950 default: 951 abort(); 952 /*NOTREACHED*/ 953 } 954 } 955 956 957 static tcflag_t 958 tty_update_flag(EditLine *el, tcflag_t f, int mode, int kind) 959 { 960 f &= ~el->el_tty.t_t[mode][kind].t_clrmask; 961 f |= el->el_tty.t_t[mode][kind].t_setmask; 962 return f; 963 } 964 965 966 static void 967 tty_update_flags(EditLine *el, int kind) 968 { 969 tcflag_t *tt, *ed, *ex; 970 tt = tty__get_flag(&el->el_tty.t_ts, kind); 971 ed = tty__get_flag(&el->el_tty.t_ed, kind); 972 ex = tty__get_flag(&el->el_tty.t_ex, kind); 973 974 if (*tt != *ex && (kind != MD_CTL || *tt != *ed)) { 975 *ed = tty_update_flag(el, *tt, ED_IO, kind); 976 *ex = tty_update_flag(el, *tt, EX_IO, kind); 977 } 978 } 979 980 981 static void 982 tty_update_char(EditLine *el, int mode, int c) { 983 if (!((el->el_tty.t_t[mode][MD_CHAR].t_setmask & C_SH(c))) 984 && (el->el_tty.t_c[TS_IO][c] != el->el_tty.t_c[EX_IO][c])) 985 el->el_tty.t_c[mode][c] = el->el_tty.t_c[TS_IO][c]; 986 if (el->el_tty.t_t[mode][MD_CHAR].t_clrmask & C_SH(c)) 987 el->el_tty.t_c[mode][c] = el->el_tty.t_vdisable; 988 } 989 990 991 /* tty_rawmode(): 992 * Set terminal into 1 character at a time mode. 993 */ 994 libedit_private int 995 tty_rawmode(EditLine *el) 996 { 997 998 if (el->el_tty.t_mode == ED_IO || el->el_tty.t_mode == QU_IO) 999 return 0; 1000 1001 if (el->el_flags & EDIT_DISABLED) 1002 return 0; 1003 1004 if (tty_getty(el, &el->el_tty.t_ts) == -1) { 1005 #ifdef DEBUG_TTY 1006 (void) fprintf(el->el_errfile, "%s: tty_getty: %s\n", __func__, 1007 strerror(errno)); 1008 #endif /* DEBUG_TTY */ 1009 return -1; 1010 } 1011 /* 1012 * We always keep up with the eight bit setting and the speed of the 1013 * tty. But we only believe changes that are made to cooked mode! 1014 */ 1015 el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ts); 1016 el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ts); 1017 1018 if (tty__getspeed(&el->el_tty.t_ex) != el->el_tty.t_speed || 1019 tty__getspeed(&el->el_tty.t_ed) != el->el_tty.t_speed) { 1020 (void) cfsetispeed(&el->el_tty.t_ex, el->el_tty.t_speed); 1021 (void) cfsetospeed(&el->el_tty.t_ex, el->el_tty.t_speed); 1022 (void) cfsetispeed(&el->el_tty.t_ed, el->el_tty.t_speed); 1023 (void) cfsetospeed(&el->el_tty.t_ed, el->el_tty.t_speed); 1024 } 1025 if (tty__cooked_mode(&el->el_tty.t_ts)) { 1026 int i; 1027 1028 for (i = MD_INP; i <= MD_LIN; i++) 1029 tty_update_flags(el, i); 1030 1031 if (tty__gettabs(&el->el_tty.t_ex) == 0) 1032 el->el_tty.t_tabs = 0; 1033 else 1034 el->el_tty.t_tabs = EL_CAN_TAB ? 1 : 0; 1035 1036 tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]); 1037 /* 1038 * Check if the user made any changes. 1039 * If he did, then propagate the changes to the 1040 * edit and execute data structures. 1041 */ 1042 for (i = 0; i < C_NCC; i++) 1043 if (el->el_tty.t_c[TS_IO][i] != 1044 el->el_tty.t_c[EX_IO][i]) 1045 break; 1046 1047 if (i != C_NCC) { 1048 /* 1049 * Propagate changes only to the unlibedit_private 1050 * chars that have been modified just now. 1051 */ 1052 for (i = 0; i < C_NCC; i++) 1053 tty_update_char(el, ED_IO, i); 1054 1055 tty_bind_char(el, 0); 1056 tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]); 1057 1058 for (i = 0; i < C_NCC; i++) 1059 tty_update_char(el, EX_IO, i); 1060 1061 tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]); 1062 } 1063 } 1064 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) { 1065 #ifdef DEBUG_TTY 1066 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1067 strerror(errno)); 1068 #endif /* DEBUG_TTY */ 1069 return -1; 1070 } 1071 el->el_tty.t_mode = ED_IO; 1072 return 0; 1073 } 1074 1075 1076 /* tty_cookedmode(): 1077 * Set the tty back to normal mode 1078 */ 1079 libedit_private int 1080 tty_cookedmode(EditLine *el) 1081 { /* set tty in normal setup */ 1082 1083 if (el->el_tty.t_mode == EX_IO) 1084 return 0; 1085 1086 if (el->el_flags & EDIT_DISABLED) 1087 return 0; 1088 1089 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) { 1090 #ifdef DEBUG_TTY 1091 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1092 strerror(errno)); 1093 #endif /* DEBUG_TTY */ 1094 return -1; 1095 } 1096 el->el_tty.t_mode = EX_IO; 1097 return 0; 1098 } 1099 1100 1101 /* tty_quotemode(): 1102 * Turn on quote mode 1103 */ 1104 libedit_private int 1105 tty_quotemode(EditLine *el) 1106 { 1107 if (el->el_tty.t_mode == QU_IO) 1108 return 0; 1109 1110 el->el_tty.t_qu = el->el_tty.t_ed; 1111 1112 tty_setup_flags(el, &el->el_tty.t_qu, QU_IO); 1113 1114 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_qu) == -1) { 1115 #ifdef DEBUG_TTY 1116 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1117 strerror(errno)); 1118 #endif /* DEBUG_TTY */ 1119 return -1; 1120 } 1121 el->el_tty.t_mode = QU_IO; 1122 return 0; 1123 } 1124 1125 1126 /* tty_noquotemode(): 1127 * Turn off quote mode 1128 */ 1129 libedit_private int 1130 tty_noquotemode(EditLine *el) 1131 { 1132 1133 if (el->el_tty.t_mode != QU_IO) 1134 return 0; 1135 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) { 1136 #ifdef DEBUG_TTY 1137 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1138 strerror(errno)); 1139 #endif /* DEBUG_TTY */ 1140 return -1; 1141 } 1142 el->el_tty.t_mode = ED_IO; 1143 return 0; 1144 } 1145 1146 1147 /* tty_stty(): 1148 * Stty builtin 1149 */ 1150 libedit_private int 1151 /*ARGSUSED*/ 1152 tty_stty(EditLine *el, int argc __attribute__((__unused__)), 1153 const wchar_t **argv) 1154 { 1155 const ttymodes_t *m; 1156 char x; 1157 int aflag = 0; 1158 const wchar_t *s, *d; 1159 char name[EL_BUFSIZ]; 1160 struct termios *tios = &el->el_tty.t_ex; 1161 int z = EX_IO; 1162 1163 if (argv == NULL) 1164 return -1; 1165 strncpy(name, ct_encode_string(*argv++, &el->el_scratch), sizeof(name)); 1166 name[sizeof(name) - 1] = '\0'; 1167 1168 while (argv && *argv && argv[0][0] == '-' && argv[0][2] == '\0') 1169 switch (argv[0][1]) { 1170 case 'a': 1171 aflag++; 1172 argv++; 1173 break; 1174 case 'd': 1175 argv++; 1176 tios = &el->el_tty.t_ed; 1177 z = ED_IO; 1178 break; 1179 case 'x': 1180 argv++; 1181 tios = &el->el_tty.t_ex; 1182 z = EX_IO; 1183 break; 1184 case 'q': 1185 argv++; 1186 tios = &el->el_tty.t_ts; 1187 z = QU_IO; 1188 break; 1189 default: 1190 (void) fprintf(el->el_errfile, 1191 "%s: Unknown switch `%lc'.\n", 1192 name, (wint_t)argv[0][1]); 1193 return -1; 1194 } 1195 1196 if (!argv || !*argv) { 1197 int i = -1; 1198 size_t len = 0, st = 0, cu; 1199 for (m = ttymodes; m->m_name; m++) { 1200 if (m->m_type != i) { 1201 (void) fprintf(el->el_outfile, "%s%s", 1202 i != -1 ? "\n" : "", 1203 el->el_tty.t_t[z][m->m_type].t_name); 1204 i = m->m_type; 1205 st = len = 1206 strlen(el->el_tty.t_t[z][m->m_type].t_name); 1207 } 1208 if (i != -1) { 1209 x = (el->el_tty.t_t[z][i].t_setmask & m->m_value) 1210 ? '+' : '\0'; 1211 1212 if (el->el_tty.t_t[z][i].t_clrmask & m->m_value) 1213 x = '-'; 1214 } else { 1215 x = '\0'; 1216 } 1217 1218 if (x != '\0' || aflag) { 1219 1220 cu = strlen(m->m_name) + (x != '\0') + 1; 1221 1222 if (len + cu >= 1223 (size_t)el->el_terminal.t_size.h) { 1224 (void) fprintf(el->el_outfile, "\n%*s", 1225 (int)st, ""); 1226 len = st + cu; 1227 } else 1228 len += cu; 1229 1230 if (x != '\0') 1231 (void) fprintf(el->el_outfile, "%c%s ", 1232 x, m->m_name); 1233 else 1234 (void) fprintf(el->el_outfile, "%s ", 1235 m->m_name); 1236 } 1237 } 1238 (void) fprintf(el->el_outfile, "\n"); 1239 return 0; 1240 } 1241 while (argv && (s = *argv++)) { 1242 const wchar_t *p; 1243 switch (*s) { 1244 case '+': 1245 case '-': 1246 x = (char)*s++; 1247 break; 1248 default: 1249 x = '\0'; 1250 break; 1251 } 1252 d = s; 1253 p = wcschr(s, L'='); 1254 for (m = ttymodes; m->m_name; m++) 1255 if ((p ? strncmp(m->m_name, ct_encode_string(d, 1256 &el->el_scratch), (size_t)(p - d)) : 1257 strcmp(m->m_name, ct_encode_string(d, 1258 &el->el_scratch))) == 0 && 1259 (p == NULL || m->m_type == MD_CHAR)) 1260 break; 1261 1262 if (!m->m_name) { 1263 (void) fprintf(el->el_errfile, 1264 "%s: Invalid argument `%ls'.\n", name, d); 1265 return -1; 1266 } 1267 if (p) { 1268 int c = ffs((int)m->m_value); 1269 int v = *++p ? parse__escape(&p) : 1270 el->el_tty.t_vdisable; 1271 assert(c != 0); 1272 c--; 1273 c = tty__getcharindex(c); 1274 assert(c != -1); 1275 tios->c_cc[c] = (cc_t)v; 1276 continue; 1277 } 1278 switch (x) { 1279 case '+': 1280 el->el_tty.t_t[z][m->m_type].t_setmask |= m->m_value; 1281 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value; 1282 break; 1283 case '-': 1284 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value; 1285 el->el_tty.t_t[z][m->m_type].t_clrmask |= m->m_value; 1286 break; 1287 default: 1288 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value; 1289 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value; 1290 break; 1291 } 1292 } 1293 1294 tty_setup_flags(el, tios, z); 1295 if (el->el_tty.t_mode == z) { 1296 if (tty_setty(el, TCSADRAIN, tios) == -1) { 1297 #ifdef DEBUG_TTY 1298 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", 1299 __func__, strerror(errno)); 1300 #endif /* DEBUG_TTY */ 1301 return -1; 1302 } 1303 } 1304 1305 return 0; 1306 } 1307 1308 1309 #ifdef notyet 1310 /* tty_printchar(): 1311 * DEbugging routine to print the tty characters 1312 */ 1313 static void 1314 tty_printchar(EditLine *el, unsigned char *s) 1315 { 1316 ttyperm_t *m; 1317 int i; 1318 1319 for (i = 0; i < C_NCC; i++) { 1320 for (m = el->el_tty.t_t; m->m_name; m++) 1321 if (m->m_type == MD_CHAR && C_SH(i) == m->m_value) 1322 break; 1323 if (m->m_name) 1324 (void) fprintf(el->el_errfile, "%s ^%c ", 1325 m->m_name, s[i] + 'A' - 1); 1326 if (i % 5 == 0) 1327 (void) fprintf(el->el_errfile, "\n"); 1328 } 1329 (void) fprintf(el->el_errfile, "\n"); 1330 } 1331 #endif /* notyet */ 1332 1333 1334 static void 1335 tty_setup_flags(EditLine *el, struct termios *tios, int mode) 1336 { 1337 int kind; 1338 for (kind = MD_INP; kind <= MD_LIN; kind++) { 1339 tcflag_t *f = tty__get_flag(tios, kind); 1340 *f = tty_update_flag(el, *f, mode, kind); 1341 } 1342 } 1343
Indexes created Fri Sep 26 08:10:20 GMT 2025