tty.c revision 1.68
1 /* $NetBSD: tty.c,v 1.68 2018/12/02 16:58:13 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 1.68 2018/12/02 16:58:13 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 = (el->el_flags & NO_RESET) == 0; 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, int how) 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, how, &el->el_tty.t_or) == -1) 598 { 599 #ifdef DEBUG_TTY 600 (void) fprintf(el->el_errfile, 601 "%s: tty_setty: %s\n", __func__, strerror(errno)); 602 #endif /* DEBUG_TTY */ 603 } 604 } 605 606 607 /* tty__getspeed(): 608 * Get the tty speed 609 */ 610 static speed_t 611 tty__getspeed(struct termios *td) 612 { 613 speed_t spd; 614 615 if ((spd = cfgetispeed(td)) == 0) 616 spd = cfgetospeed(td); 617 return spd; 618 } 619 620 /* tty__getspeed(): 621 * Return the index of the asked char in the c_cc array 622 */ 623 static int 624 tty__getcharindex(int i) 625 { 626 switch (i) { 627 #ifdef VINTR 628 case C_INTR: 629 return VINTR; 630 #endif /* VINTR */ 631 #ifdef VQUIT 632 case C_QUIT: 633 return VQUIT; 634 #endif /* VQUIT */ 635 #ifdef VERASE 636 case C_ERASE: 637 return VERASE; 638 #endif /* VERASE */ 639 #ifdef VKILL 640 case C_KILL: 641 return VKILL; 642 #endif /* VKILL */ 643 #ifdef VEOF 644 case C_EOF: 645 return VEOF; 646 #endif /* VEOF */ 647 #ifdef VEOL 648 case C_EOL: 649 return VEOL; 650 #endif /* VEOL */ 651 #ifdef VEOL2 652 case C_EOL2: 653 return VEOL2; 654 #endif /* VEOL2 */ 655 #ifdef VSWTCH 656 case C_SWTCH: 657 return VSWTCH; 658 #endif /* VSWTCH */ 659 #ifdef VDSWTCH 660 case C_DSWTCH: 661 return VDSWTCH; 662 #endif /* VDSWTCH */ 663 #ifdef VERASE2 664 case C_ERASE2: 665 return VERASE2; 666 #endif /* VERASE2 */ 667 #ifdef VSTART 668 case C_START: 669 return VSTART; 670 #endif /* VSTART */ 671 #ifdef VSTOP 672 case C_STOP: 673 return VSTOP; 674 #endif /* VSTOP */ 675 #ifdef VWERASE 676 case C_WERASE: 677 return VWERASE; 678 #endif /* VWERASE */ 679 #ifdef VSUSP 680 case C_SUSP: 681 return VSUSP; 682 #endif /* VSUSP */ 683 #ifdef VDSUSP 684 case C_DSUSP: 685 return VDSUSP; 686 #endif /* VDSUSP */ 687 #ifdef VREPRINT 688 case C_REPRINT: 689 return VREPRINT; 690 #endif /* VREPRINT */ 691 #ifdef VDISCARD 692 case C_DISCARD: 693 return VDISCARD; 694 #endif /* VDISCARD */ 695 #ifdef VLNEXT 696 case C_LNEXT: 697 return VLNEXT; 698 #endif /* VLNEXT */ 699 #ifdef VSTATUS 700 case C_STATUS: 701 return VSTATUS; 702 #endif /* VSTATUS */ 703 #ifdef VPAGE 704 case C_PAGE: 705 return VPAGE; 706 #endif /* VPAGE */ 707 #ifdef VPGOFF 708 case C_PGOFF: 709 return VPGOFF; 710 #endif /* VPGOFF */ 711 #ifdef VKILL2 712 case C_KILL2: 713 return VKILL2; 714 #endif /* KILL2 */ 715 #ifdef VMIN 716 case C_MIN: 717 return VMIN; 718 #endif /* VMIN */ 719 #ifdef VTIME 720 case C_TIME: 721 return VTIME; 722 #endif /* VTIME */ 723 default: 724 return -1; 725 } 726 } 727 728 /* tty__getchar(): 729 * Get the tty characters 730 */ 731 static void 732 tty__getchar(struct termios *td, unsigned char *s) 733 { 734 735 #ifdef VINTR 736 s[C_INTR] = td->c_cc[VINTR]; 737 #endif /* VINTR */ 738 #ifdef VQUIT 739 s[C_QUIT] = td->c_cc[VQUIT]; 740 #endif /* VQUIT */ 741 #ifdef VERASE 742 s[C_ERASE] = td->c_cc[VERASE]; 743 #endif /* VERASE */ 744 #ifdef VKILL 745 s[C_KILL] = td->c_cc[VKILL]; 746 #endif /* VKILL */ 747 #ifdef VEOF 748 s[C_EOF] = td->c_cc[VEOF]; 749 #endif /* VEOF */ 750 #ifdef VEOL 751 s[C_EOL] = td->c_cc[VEOL]; 752 #endif /* VEOL */ 753 #ifdef VEOL2 754 s[C_EOL2] = td->c_cc[VEOL2]; 755 #endif /* VEOL2 */ 756 #ifdef VSWTCH 757 s[C_SWTCH] = td->c_cc[VSWTCH]; 758 #endif /* VSWTCH */ 759 #ifdef VDSWTCH 760 s[C_DSWTCH] = td->c_cc[VDSWTCH]; 761 #endif /* VDSWTCH */ 762 #ifdef VERASE2 763 s[C_ERASE2] = td->c_cc[VERASE2]; 764 #endif /* VERASE2 */ 765 #ifdef VSTART 766 s[C_START] = td->c_cc[VSTART]; 767 #endif /* VSTART */ 768 #ifdef VSTOP 769 s[C_STOP] = td->c_cc[VSTOP]; 770 #endif /* VSTOP */ 771 #ifdef VWERASE 772 s[C_WERASE] = td->c_cc[VWERASE]; 773 #endif /* VWERASE */ 774 #ifdef VSUSP 775 s[C_SUSP] = td->c_cc[VSUSP]; 776 #endif /* VSUSP */ 777 #ifdef VDSUSP 778 s[C_DSUSP] = td->c_cc[VDSUSP]; 779 #endif /* VDSUSP */ 780 #ifdef VREPRINT 781 s[C_REPRINT] = td->c_cc[VREPRINT]; 782 #endif /* VREPRINT */ 783 #ifdef VDISCARD 784 s[C_DISCARD] = td->c_cc[VDISCARD]; 785 #endif /* VDISCARD */ 786 #ifdef VLNEXT 787 s[C_LNEXT] = td->c_cc[VLNEXT]; 788 #endif /* VLNEXT */ 789 #ifdef VSTATUS 790 s[C_STATUS] = td->c_cc[VSTATUS]; 791 #endif /* VSTATUS */ 792 #ifdef VPAGE 793 s[C_PAGE] = td->c_cc[VPAGE]; 794 #endif /* VPAGE */ 795 #ifdef VPGOFF 796 s[C_PGOFF] = td->c_cc[VPGOFF]; 797 #endif /* VPGOFF */ 798 #ifdef VKILL2 799 s[C_KILL2] = td->c_cc[VKILL2]; 800 #endif /* KILL2 */ 801 #ifdef VMIN 802 s[C_MIN] = td->c_cc[VMIN]; 803 #endif /* VMIN */ 804 #ifdef VTIME 805 s[C_TIME] = td->c_cc[VTIME]; 806 #endif /* VTIME */ 807 } /* tty__getchar */ 808 809 810 /* tty__setchar(): 811 * Set the tty characters 812 */ 813 static void 814 tty__setchar(struct termios *td, unsigned char *s) 815 { 816 817 #ifdef VINTR 818 td->c_cc[VINTR] = s[C_INTR]; 819 #endif /* VINTR */ 820 #ifdef VQUIT 821 td->c_cc[VQUIT] = s[C_QUIT]; 822 #endif /* VQUIT */ 823 #ifdef VERASE 824 td->c_cc[VERASE] = s[C_ERASE]; 825 #endif /* VERASE */ 826 #ifdef VKILL 827 td->c_cc[VKILL] = s[C_KILL]; 828 #endif /* VKILL */ 829 #ifdef VEOF 830 td->c_cc[VEOF] = s[C_EOF]; 831 #endif /* VEOF */ 832 #ifdef VEOL 833 td->c_cc[VEOL] = s[C_EOL]; 834 #endif /* VEOL */ 835 #ifdef VEOL2 836 td->c_cc[VEOL2] = s[C_EOL2]; 837 #endif /* VEOL2 */ 838 #ifdef VSWTCH 839 td->c_cc[VSWTCH] = s[C_SWTCH]; 840 #endif /* VSWTCH */ 841 #ifdef VDSWTCH 842 td->c_cc[VDSWTCH] = s[C_DSWTCH]; 843 #endif /* VDSWTCH */ 844 #ifdef VERASE2 845 td->c_cc[VERASE2] = s[C_ERASE2]; 846 #endif /* VERASE2 */ 847 #ifdef VSTART 848 td->c_cc[VSTART] = s[C_START]; 849 #endif /* VSTART */ 850 #ifdef VSTOP 851 td->c_cc[VSTOP] = s[C_STOP]; 852 #endif /* VSTOP */ 853 #ifdef VWERASE 854 td->c_cc[VWERASE] = s[C_WERASE]; 855 #endif /* VWERASE */ 856 #ifdef VSUSP 857 td->c_cc[VSUSP] = s[C_SUSP]; 858 #endif /* VSUSP */ 859 #ifdef VDSUSP 860 td->c_cc[VDSUSP] = s[C_DSUSP]; 861 #endif /* VDSUSP */ 862 #ifdef VREPRINT 863 td->c_cc[VREPRINT] = s[C_REPRINT]; 864 #endif /* VREPRINT */ 865 #ifdef VDISCARD 866 td->c_cc[VDISCARD] = s[C_DISCARD]; 867 #endif /* VDISCARD */ 868 #ifdef VLNEXT 869 td->c_cc[VLNEXT] = s[C_LNEXT]; 870 #endif /* VLNEXT */ 871 #ifdef VSTATUS 872 td->c_cc[VSTATUS] = s[C_STATUS]; 873 #endif /* VSTATUS */ 874 #ifdef VPAGE 875 td->c_cc[VPAGE] = s[C_PAGE]; 876 #endif /* VPAGE */ 877 #ifdef VPGOFF 878 td->c_cc[VPGOFF] = s[C_PGOFF]; 879 #endif /* VPGOFF */ 880 #ifdef VKILL2 881 td->c_cc[VKILL2] = s[C_KILL2]; 882 #endif /* VKILL2 */ 883 #ifdef VMIN 884 td->c_cc[VMIN] = s[C_MIN]; 885 #endif /* VMIN */ 886 #ifdef VTIME 887 td->c_cc[VTIME] = s[C_TIME]; 888 #endif /* VTIME */ 889 } /* tty__setchar */ 890 891 892 /* tty_bind_char(): 893 * Rebind the editline functions 894 */ 895 libedit_private void 896 tty_bind_char(EditLine *el, int force) 897 { 898 899 unsigned char *t_n = el->el_tty.t_c[ED_IO]; 900 unsigned char *t_o = el->el_tty.t_ed.c_cc; 901 wchar_t new[2], old[2]; 902 const ttymap_t *tp; 903 el_action_t *map, *alt; 904 const el_action_t *dmap, *dalt; 905 new[1] = old[1] = '\0'; 906 907 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; 912 } else { 913 dmap = el->el_map.emacs; 914 dalt = NULL; 915 } 916 917 for (tp = tty_map; tp->nch != (wint_t)-1; tp++) { 918 new[0] = (wchar_t)t_n[tp->nch]; 919 old[0] = (wchar_t)t_o[tp->och]; 920 if (new[0] == old[0] && !force) 921 continue; 922 /* Put the old default binding back, and set the new binding */ 923 keymacro_clear(el, map, old); 924 map[(unsigned char)old[0]] = dmap[(unsigned char)old[0]]; 925 keymacro_clear(el, map, new); 926 /* MAP_VI == 1, MAP_EMACS == 0... */ 927 map[(unsigned char)new[0]] = tp->bind[el->el_map.type]; 928 if (dalt) { 929 keymacro_clear(el, alt, old); 930 alt[(unsigned char)old[0]] = 931 dalt[(unsigned char)old[0]]; 932 keymacro_clear(el, alt, new); 933 alt[(unsigned char)new[0]] = 934 tp->bind[el->el_map.type + 1]; 935 } 936 } 937 } 938 939 940 static tcflag_t * 941 tty__get_flag(struct termios *t, int kind) { 942 switch (kind) { 943 case MD_INP: 944 return &t->c_iflag; 945 case MD_OUT: 946 return &t->c_oflag; 947 case MD_CTL: 948 return &t->c_cflag; 949 case MD_LIN: 950 return &t->c_lflag; 951 default: 952 abort(); 953 /*NOTREACHED*/ 954 } 955 } 956 957 958 static tcflag_t 959 tty_update_flag(EditLine *el, tcflag_t f, int mode, int kind) 960 { 961 f &= ~el->el_tty.t_t[mode][kind].t_clrmask; 962 f |= el->el_tty.t_t[mode][kind].t_setmask; 963 return f; 964 } 965 966 967 static void 968 tty_update_flags(EditLine *el, int kind) 969 { 970 tcflag_t *tt, *ed, *ex; 971 tt = tty__get_flag(&el->el_tty.t_ts, kind); 972 ed = tty__get_flag(&el->el_tty.t_ed, kind); 973 ex = tty__get_flag(&el->el_tty.t_ex, kind); 974 975 if (*tt != *ex && (kind != MD_CTL || *tt != *ed)) { 976 *ed = tty_update_flag(el, *tt, ED_IO, kind); 977 *ex = tty_update_flag(el, *tt, EX_IO, kind); 978 } 979 } 980 981 982 static void 983 tty_update_char(EditLine *el, int mode, int c) { 984 if (!((el->el_tty.t_t[mode][MD_CHAR].t_setmask & C_SH(c))) 985 && (el->el_tty.t_c[TS_IO][c] != el->el_tty.t_c[EX_IO][c])) 986 el->el_tty.t_c[mode][c] = el->el_tty.t_c[TS_IO][c]; 987 if (el->el_tty.t_t[mode][MD_CHAR].t_clrmask & C_SH(c)) 988 el->el_tty.t_c[mode][c] = el->el_tty.t_vdisable; 989 } 990 991 992 /* tty_rawmode(): 993 * Set terminal into 1 character at a time mode. 994 */ 995 libedit_private int 996 tty_rawmode(EditLine *el) 997 { 998 999 if (el->el_tty.t_mode == ED_IO || el->el_tty.t_mode == QU_IO) 1000 return 0; 1001 1002 if (el->el_flags & EDIT_DISABLED) 1003 return 0; 1004 1005 if (tty_getty(el, &el->el_tty.t_ts) == -1) { 1006 #ifdef DEBUG_TTY 1007 (void) fprintf(el->el_errfile, "%s: tty_getty: %s\n", __func__, 1008 strerror(errno)); 1009 #endif /* DEBUG_TTY */ 1010 return -1; 1011 } 1012 /* 1013 * We always keep up with the eight bit setting and the speed of the 1014 * tty. But we only believe changes that are made to cooked mode! 1015 */ 1016 el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ts); 1017 el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ts); 1018 1019 if (tty__getspeed(&el->el_tty.t_ex) != el->el_tty.t_speed || 1020 tty__getspeed(&el->el_tty.t_ed) != el->el_tty.t_speed) { 1021 (void) cfsetispeed(&el->el_tty.t_ex, el->el_tty.t_speed); 1022 (void) cfsetospeed(&el->el_tty.t_ex, el->el_tty.t_speed); 1023 (void) cfsetispeed(&el->el_tty.t_ed, el->el_tty.t_speed); 1024 (void) cfsetospeed(&el->el_tty.t_ed, el->el_tty.t_speed); 1025 } 1026 if (tty__cooked_mode(&el->el_tty.t_ts)) { 1027 int i; 1028 1029 for (i = MD_INP; i <= MD_LIN; i++) 1030 tty_update_flags(el, i); 1031 1032 if (tty__gettabs(&el->el_tty.t_ex) == 0) 1033 el->el_tty.t_tabs = 0; 1034 else 1035 el->el_tty.t_tabs = EL_CAN_TAB ? 1 : 0; 1036 1037 tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]); 1038 /* 1039 * Check if the user made any changes. 1040 * If he did, then propagate the changes to the 1041 * edit and execute data structures. 1042 */ 1043 for (i = 0; i < C_NCC; i++) 1044 if (el->el_tty.t_c[TS_IO][i] != 1045 el->el_tty.t_c[EX_IO][i]) 1046 break; 1047 1048 if (i != C_NCC) { 1049 /* 1050 * Propagate changes only to the unlibedit_private 1051 * chars that have been modified just now. 1052 */ 1053 for (i = 0; i < C_NCC; i++) 1054 tty_update_char(el, ED_IO, i); 1055 1056 tty_bind_char(el, 0); 1057 tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]); 1058 1059 for (i = 0; i < C_NCC; i++) 1060 tty_update_char(el, EX_IO, i); 1061 1062 tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]); 1063 } 1064 } 1065 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) { 1066 #ifdef DEBUG_TTY 1067 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1068 strerror(errno)); 1069 #endif /* DEBUG_TTY */ 1070 return -1; 1071 } 1072 el->el_tty.t_mode = ED_IO; 1073 return 0; 1074 } 1075 1076 1077 /* tty_cookedmode(): 1078 * Set the tty back to normal mode 1079 */ 1080 libedit_private int 1081 tty_cookedmode(EditLine *el) 1082 { /* set tty in normal setup */ 1083 1084 if (el->el_tty.t_mode == EX_IO) 1085 return 0; 1086 1087 if (el->el_flags & EDIT_DISABLED) 1088 return 0; 1089 1090 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) { 1091 #ifdef DEBUG_TTY 1092 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1093 strerror(errno)); 1094 #endif /* DEBUG_TTY */ 1095 return -1; 1096 } 1097 el->el_tty.t_mode = EX_IO; 1098 return 0; 1099 } 1100 1101 1102 /* tty_quotemode(): 1103 * Turn on quote mode 1104 */ 1105 libedit_private int 1106 tty_quotemode(EditLine *el) 1107 { 1108 if (el->el_tty.t_mode == QU_IO) 1109 return 0; 1110 1111 el->el_tty.t_qu = el->el_tty.t_ed; 1112 1113 tty_setup_flags(el, &el->el_tty.t_qu, QU_IO); 1114 1115 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_qu) == -1) { 1116 #ifdef DEBUG_TTY 1117 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1118 strerror(errno)); 1119 #endif /* DEBUG_TTY */ 1120 return -1; 1121 } 1122 el->el_tty.t_mode = QU_IO; 1123 return 0; 1124 } 1125 1126 1127 /* tty_noquotemode(): 1128 * Turn off quote mode 1129 */ 1130 libedit_private int 1131 tty_noquotemode(EditLine *el) 1132 { 1133 1134 if (el->el_tty.t_mode != QU_IO) 1135 return 0; 1136 if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) { 1137 #ifdef DEBUG_TTY 1138 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__, 1139 strerror(errno)); 1140 #endif /* DEBUG_TTY */ 1141 return -1; 1142 } 1143 el->el_tty.t_mode = ED_IO; 1144 return 0; 1145 } 1146 1147 1148 /* tty_stty(): 1149 * Stty builtin 1150 */ 1151 libedit_private int 1152 /*ARGSUSED*/ 1153 tty_stty(EditLine *el, int argc __attribute__((__unused__)), 1154 const wchar_t **argv) 1155 { 1156 const ttymodes_t *m; 1157 char x; 1158 int aflag = 0; 1159 const wchar_t *s, *d; 1160 char name[EL_BUFSIZ]; 1161 struct termios *tios = &el->el_tty.t_ex; 1162 int z = EX_IO; 1163 1164 if (argv == NULL) 1165 return -1; 1166 strncpy(name, ct_encode_string(*argv++, &el->el_scratch), sizeof(name)); 1167 name[sizeof(name) - 1] = '\0'; 1168 1169 while (argv && *argv && argv[0][0] == '-' && argv[0][2] == '\0') 1170 switch (argv[0][1]) { 1171 case 'a': 1172 aflag++; 1173 argv++; 1174 break; 1175 case 'd': 1176 argv++; 1177 tios = &el->el_tty.t_ed; 1178 z = ED_IO; 1179 break; 1180 case 'x': 1181 argv++; 1182 tios = &el->el_tty.t_ex; 1183 z = EX_IO; 1184 break; 1185 case 'q': 1186 argv++; 1187 tios = &el->el_tty.t_ts; 1188 z = QU_IO; 1189 break; 1190 default: 1191 (void) fprintf(el->el_errfile, 1192 "%s: Unknown switch `%lc'.\n", 1193 name, (wint_t)argv[0][1]); 1194 return -1; 1195 } 1196 1197 if (!argv || !*argv) { 1198 int i = -1; 1199 size_t len = 0, st = 0, cu; 1200 for (m = ttymodes; m->m_name; m++) { 1201 if (m->m_type != i) { 1202 (void) fprintf(el->el_outfile, "%s%s", 1203 i != -1 ? "\n" : "", 1204 el->el_tty.t_t[z][m->m_type].t_name); 1205 i = m->m_type; 1206 st = len = 1207 strlen(el->el_tty.t_t[z][m->m_type].t_name); 1208 } 1209 if (i != -1) { 1210 x = (el->el_tty.t_t[z][i].t_setmask & m->m_value) 1211 ? '+' : '\0'; 1212 1213 if (el->el_tty.t_t[z][i].t_clrmask & m->m_value) 1214 x = '-'; 1215 } else { 1216 x = '\0'; 1217 } 1218 1219 if (x != '\0' || aflag) { 1220 1221 cu = strlen(m->m_name) + (x != '\0') + 1; 1222 1223 if (len + cu >= 1224 (size_t)el->el_terminal.t_size.h) { 1225 (void) fprintf(el->el_outfile, "\n%*s", 1226 (int)st, ""); 1227 len = st + cu; 1228 } else 1229 len += cu; 1230 1231 if (x != '\0') 1232 (void) fprintf(el->el_outfile, "%c%s ", 1233 x, m->m_name); 1234 else 1235 (void) fprintf(el->el_outfile, "%s ", 1236 m->m_name); 1237 } 1238 } 1239 (void) fprintf(el->el_outfile, "\n"); 1240 return 0; 1241 } 1242 while (argv && (s = *argv++)) { 1243 const wchar_t *p; 1244 switch (*s) { 1245 case '+': 1246 case '-': 1247 x = (char)*s++; 1248 break; 1249 default: 1250 x = '\0'; 1251 break; 1252 } 1253 d = s; 1254 p = wcschr(s, L'='); 1255 for (m = ttymodes; m->m_name; m++) 1256 if ((p ? strncmp(m->m_name, ct_encode_string(d, 1257 &el->el_scratch), (size_t)(p - d)) : 1258 strcmp(m->m_name, ct_encode_string(d, 1259 &el->el_scratch))) == 0 && 1260 (p == NULL || m->m_type == MD_CHAR)) 1261 break; 1262 1263 if (!m->m_name) { 1264 (void) fprintf(el->el_errfile, 1265 "%s: Invalid argument `%ls'.\n", name, d); 1266 return -1; 1267 } 1268 if (p) { 1269 int c = ffs((int)m->m_value); 1270 int v = *++p ? parse__escape(&p) : 1271 el->el_tty.t_vdisable; 1272 assert(c != 0); 1273 c--; 1274 c = tty__getcharindex(c); 1275 assert(c != -1); 1276 tios->c_cc[c] = (cc_t)v; 1277 continue; 1278 } 1279 switch (x) { 1280 case '+': 1281 el->el_tty.t_t[z][m->m_type].t_setmask |= m->m_value; 1282 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value; 1283 break; 1284 case '-': 1285 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value; 1286 el->el_tty.t_t[z][m->m_type].t_clrmask |= m->m_value; 1287 break; 1288 default: 1289 el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value; 1290 el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value; 1291 break; 1292 } 1293 } 1294 1295 tty_setup_flags(el, tios, z); 1296 if (el->el_tty.t_mode == z) { 1297 if (tty_setty(el, TCSADRAIN, tios) == -1) { 1298 #ifdef DEBUG_TTY 1299 (void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", 1300 __func__, strerror(errno)); 1301 #endif /* DEBUG_TTY */ 1302 return -1; 1303 } 1304 } 1305 1306 return 0; 1307 } 1308 1309 1310 #ifdef notyet 1311 /* tty_printchar(): 1312 * DEbugging routine to print the tty characters 1313 */ 1314 static void 1315 tty_printchar(EditLine *el, unsigned char *s) 1316 { 1317 ttyperm_t *m; 1318 int i; 1319 1320 for (i = 0; i < C_NCC; i++) { 1321 for (m = el->el_tty.t_t; m->m_name; m++) 1322 if (m->m_type == MD_CHAR && C_SH(i) == m->m_value) 1323 break; 1324 if (m->m_name) 1325 (void) fprintf(el->el_errfile, "%s ^%c ", 1326 m->m_name, s[i] + 'A' - 1); 1327 if (i % 5 == 0) 1328 (void) fprintf(el->el_errfile, "\n"); 1329 } 1330 (void) fprintf(el->el_errfile, "\n"); 1331 } 1332 #endif /* notyet */ 1333 1334 1335 static void 1336 tty_setup_flags(EditLine *el, struct termios *tios, int mode) 1337 { 1338 int kind; 1339 for (kind = MD_INP; kind <= MD_LIN; kind++) { 1340 tcflag_t *f = tty__get_flag(tios, kind); 1341 *f = tty_update_flag(el, *f, mode, kind); 1342 } 1343 } 1344 1345 libedit_private int 1346 tty_get_signal_character(EditLine *el, int sig) 1347 { 1348 #ifdef ECHOCTL 1349 tcflag_t *ed = tty__get_flag(&el->el_tty.t_ed, MD_INP); 1350 if ((*ed & ECHOCTL) == 0) 1351 return -1; 1352 #endif 1353 switch (sig) { 1354 #ifdef SIGINT 1355 case SIGINT: 1356 return el->el_tty.t_c[ED_IO][VINTR]; 1357 #endif 1358 #ifdef SIGQUIT 1359 case SIGQUIT: 1360 return el->el_tty.t_c[ED_IO][VQUIT]; 1361 #endif 1362 #ifdef SIGINFO 1363 case SIGINFO: 1364 return el->el_tty.t_c[ED_IO][VSTATUS]; 1365 #endif 1366 #ifdef SIGTSTP 1367 case SIGTSTP: 1368 return el->el_tty.t_c[ED_IO][VSUSP]; 1369 #endif 1370 default: 1371 return -1; 1372 } 1373 } 1374
Indexes created Fri Sep 26 20:09:58 GMT 2025