common.c revision 1.20
1/* $OpenBSD: common.c,v 1.20 2016/04/18 20:13:07 schwarze Exp $ */ 2/* $NetBSD: common.c,v 1.24 2009/12/30 22:37:40 christos Exp $ */ 3 4/*- 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Christos Zoulas of Cornell University. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "config.h" 37 38/* 39 * common.c: Common Editor functions 40 */ 41#include <ctype.h> 42#include <string.h> 43 44#include "el.h" 45#include "common.h" 46#include "parse.h" 47#include "vi.h" 48 49/* ed_end_of_file(): 50 * Indicate end of file 51 * [^D] 52 */ 53protected el_action_t 54/*ARGSUSED*/ 55ed_end_of_file(EditLine *el, wint_t c __attribute__((__unused__))) 56{ 57 58 re_goto_bottom(el); 59 *el->el_line.lastchar = '\0'; 60 return CC_EOF; 61} 62 63 64/* ed_insert(): 65 * Add character to the line 66 * Insert a character [bound to all insert keys] 67 */ 68protected el_action_t 69ed_insert(EditLine *el, wint_t c) 70{ 71 int count = el->el_state.argument; 72 73 if (c == '\0') 74 return CC_ERROR; 75 76 if (el->el_line.lastchar + el->el_state.argument >= 77 el->el_line.limit) { 78 /* end of buffer space, try to allocate more */ 79 if (!ch_enlargebufs(el, (size_t) count)) 80 return CC_ERROR; /* error allocating more */ 81 } 82 83 if (count == 1) { 84 if (el->el_state.inputmode == MODE_INSERT 85 || el->el_line.cursor >= el->el_line.lastchar) 86 c_insert(el, 1); 87 88 *el->el_line.cursor++ = c; 89 re_fastaddc(el); /* fast refresh for one char. */ 90 } else { 91 if (el->el_state.inputmode != MODE_REPLACE_1) 92 c_insert(el, el->el_state.argument); 93 94 while (count-- && el->el_line.cursor < el->el_line.lastchar) 95 *el->el_line.cursor++ = c; 96 re_refresh(el); 97 } 98 99 if (el->el_state.inputmode == MODE_REPLACE_1) 100 return vi_command_mode(el, 0); 101 102 return CC_NORM; 103} 104 105 106/* ed_delete_prev_word(): 107 * Delete from beginning of current word to cursor 108 * [M-^?] [^W] 109 */ 110protected el_action_t 111/*ARGSUSED*/ 112ed_delete_prev_word(EditLine *el, wint_t c __attribute__((__unused__))) 113{ 114 wchar_t *cp, *p, *kp; 115 116 if (el->el_line.cursor == el->el_line.buffer) 117 return CC_ERROR; 118 119 cp = c__prev_word(el->el_line.cursor, el->el_line.buffer, 120 el->el_state.argument, ce__isword); 121 122 for (p = cp, kp = el->el_chared.c_kill.buf; p < el->el_line.cursor; p++) 123 *kp++ = *p; 124 el->el_chared.c_kill.last = kp; 125 126 c_delbefore(el, (int)(el->el_line.cursor - cp));/* delete before dot */ 127 el->el_line.cursor = cp; 128 if (el->el_line.cursor < el->el_line.buffer) 129 el->el_line.cursor = el->el_line.buffer; /* bounds check */ 130 return CC_REFRESH; 131} 132 133 134/* ed_delete_next_char(): 135 * Delete character under cursor 136 * [^D] [x] 137 */ 138protected el_action_t 139/*ARGSUSED*/ 140ed_delete_next_char(EditLine *el, wint_t c) 141{ 142#ifdef notdef /* XXX */ 143#define EL el->el_line 144 (void) fprintf(el->el_errfile, 145 "\nD(b: %p(%ls) c: %p(%ls) last: %p(%ls) limit: %p(%ls)\n", 146 EL.buffer, EL.buffer, EL.cursor, EL.cursor, EL.lastchar, 147 EL.lastchar, EL.limit, EL.limit); 148#endif 149 if (el->el_line.cursor == el->el_line.lastchar) { 150 /* if I'm at the end */ 151 if (el->el_map.type == MAP_VI) { 152 if (el->el_line.cursor == el->el_line.buffer) { 153 /* if I'm also at the beginning */ 154#ifdef KSHVI 155 return CC_ERROR; 156#else 157 /* then do an EOF */ 158 terminal_writec(el, c); 159 return CC_EOF; 160#endif 161 } else { 162#ifdef KSHVI 163 el->el_line.cursor--; 164#else 165 return CC_ERROR; 166#endif 167 } 168 } else { 169 if (el->el_line.cursor != el->el_line.buffer) 170 el->el_line.cursor--; 171 else 172 return CC_ERROR; 173 } 174 } 175 c_delafter(el, el->el_state.argument); /* delete after dot */ 176 if (el->el_line.cursor >= el->el_line.lastchar && 177 el->el_line.cursor > el->el_line.buffer) 178 /* bounds check */ 179 el->el_line.cursor = el->el_line.lastchar - 1; 180 return CC_REFRESH; 181} 182 183 184/* ed_kill_line(): 185 * Cut to the end of line 186 * [^K] [^K] 187 */ 188protected el_action_t 189/*ARGSUSED*/ 190ed_kill_line(EditLine *el, wint_t c __attribute__((__unused__))) 191{ 192 wchar_t *kp, *cp; 193 194 cp = el->el_line.cursor; 195 kp = el->el_chared.c_kill.buf; 196 while (cp < el->el_line.lastchar) 197 *kp++ = *cp++; /* copy it */ 198 el->el_chared.c_kill.last = kp; 199 /* zap! -- delete to end */ 200 el->el_line.lastchar = el->el_line.cursor; 201 return CC_REFRESH; 202} 203 204 205/* ed_move_to_end(): 206 * Move cursor to the end of line 207 * [^E] [^E] 208 */ 209protected el_action_t 210/*ARGSUSED*/ 211ed_move_to_end(EditLine *el, wint_t c __attribute__((__unused__))) 212{ 213 214 el->el_line.cursor = el->el_line.lastchar; 215 if (el->el_map.type == MAP_VI) { 216 if (el->el_chared.c_vcmd.action != NOP) { 217 cv_delfini(el); 218 return CC_REFRESH; 219 } 220#ifdef VI_MOVE 221 el->el_line.cursor--; 222#endif 223 } 224 return CC_CURSOR; 225} 226 227 228/* ed_move_to_beg(): 229 * Move cursor to the beginning of line 230 * [^A] [^A] 231 */ 232protected el_action_t 233/*ARGSUSED*/ 234ed_move_to_beg(EditLine *el, wint_t c __attribute__((__unused__))) 235{ 236 237 el->el_line.cursor = el->el_line.buffer; 238 239 if (el->el_map.type == MAP_VI) { 240 /* We want FIRST non space character */ 241 while (iswspace(*el->el_line.cursor)) 242 el->el_line.cursor++; 243 if (el->el_chared.c_vcmd.action != NOP) { 244 cv_delfini(el); 245 return CC_REFRESH; 246 } 247 } 248 return CC_CURSOR; 249} 250 251 252/* ed_transpose_chars(): 253 * Exchange the character to the left of the cursor with the one under it 254 * [^T] [^T] 255 */ 256protected el_action_t 257ed_transpose_chars(EditLine *el, wint_t c) 258{ 259 260 if (el->el_line.cursor < el->el_line.lastchar) { 261 if (el->el_line.lastchar <= &el->el_line.buffer[1]) 262 return CC_ERROR; 263 else 264 el->el_line.cursor++; 265 } 266 if (el->el_line.cursor > &el->el_line.buffer[1]) { 267 /* must have at least two chars entered */ 268 c = el->el_line.cursor[-2]; 269 el->el_line.cursor[-2] = el->el_line.cursor[-1]; 270 el->el_line.cursor[-1] = c; 271 return CC_REFRESH; 272 } else 273 return CC_ERROR; 274} 275 276 277/* ed_next_char(): 278 * Move to the right one character 279 * [^F] [^F] 280 */ 281protected el_action_t 282/*ARGSUSED*/ 283ed_next_char(EditLine *el, wint_t c __attribute__((__unused__))) 284{ 285 wchar_t *lim = el->el_line.lastchar; 286 287 if (el->el_line.cursor >= lim || 288 (el->el_line.cursor == lim - 1 && 289 el->el_map.type == MAP_VI && 290 el->el_chared.c_vcmd.action == NOP)) 291 return CC_ERROR; 292 293 el->el_line.cursor += el->el_state.argument; 294 if (el->el_line.cursor > lim) 295 el->el_line.cursor = lim; 296 297 if (el->el_map.type == MAP_VI) 298 if (el->el_chared.c_vcmd.action != NOP) { 299 cv_delfini(el); 300 return CC_REFRESH; 301 } 302 return CC_CURSOR; 303} 304 305 306/* ed_prev_word(): 307 * Move to the beginning of the current word 308 * [M-b] [b] 309 */ 310protected el_action_t 311/*ARGSUSED*/ 312ed_prev_word(EditLine *el, wint_t c __attribute__((__unused__))) 313{ 314 315 if (el->el_line.cursor == el->el_line.buffer) 316 return CC_ERROR; 317 318 el->el_line.cursor = c__prev_word(el->el_line.cursor, 319 el->el_line.buffer, 320 el->el_state.argument, 321 ce__isword); 322 323 if (el->el_map.type == MAP_VI) 324 if (el->el_chared.c_vcmd.action != NOP) { 325 cv_delfini(el); 326 return CC_REFRESH; 327 } 328 return CC_CURSOR; 329} 330 331 332/* ed_prev_char(): 333 * Move to the left one character 334 * [^B] [^B] 335 */ 336protected el_action_t 337/*ARGSUSED*/ 338ed_prev_char(EditLine *el, wint_t c __attribute__((__unused__))) 339{ 340 341 if (el->el_line.cursor > el->el_line.buffer) { 342 el->el_line.cursor -= el->el_state.argument; 343 if (el->el_line.cursor < el->el_line.buffer) 344 el->el_line.cursor = el->el_line.buffer; 345 346 if (el->el_map.type == MAP_VI) 347 if (el->el_chared.c_vcmd.action != NOP) { 348 cv_delfini(el); 349 return CC_REFRESH; 350 } 351 return CC_CURSOR; 352 } else 353 return CC_ERROR; 354} 355 356 357/* ed_quoted_insert(): 358 * Add the next character typed verbatim 359 * [^V] [^V] 360 */ 361protected el_action_t 362ed_quoted_insert(EditLine *el, wint_t c) 363{ 364 int num; 365 366 tty_quotemode(el); 367 num = el_wgetc(el, &c); 368 tty_noquotemode(el); 369 if (num == 1) 370 return ed_insert(el, c); 371 else 372 return ed_end_of_file(el, 0); 373} 374 375 376/* ed_digit(): 377 * Adds to argument or enters a digit 378 */ 379protected el_action_t 380ed_digit(EditLine *el, wint_t c) 381{ 382 383 if (!iswdigit(c)) 384 return CC_ERROR; 385 386 if (el->el_state.doingarg) { 387 /* if doing an arg, add this in... */ 388 if (el->el_state.lastcmd == EM_UNIVERSAL_ARGUMENT) 389 el->el_state.argument = c - '0'; 390 else { 391 if (el->el_state.argument > 1000000) 392 return CC_ERROR; 393 el->el_state.argument = 394 (el->el_state.argument * 10) + (c - '0'); 395 } 396 return CC_ARGHACK; 397 } 398 399 return ed_insert(el, c); 400} 401 402 403/* ed_argument_digit(): 404 * Digit that starts argument 405 * For ESC-n 406 */ 407protected el_action_t 408ed_argument_digit(EditLine *el, wint_t c) 409{ 410 411 if (!iswdigit(c)) 412 return CC_ERROR; 413 414 if (el->el_state.doingarg) { 415 if (el->el_state.argument > 1000000) 416 return CC_ERROR; 417 el->el_state.argument = (el->el_state.argument * 10) + 418 (c - '0'); 419 } else { /* else starting an argument */ 420 el->el_state.argument = c - '0'; 421 el->el_state.doingarg = 1; 422 } 423 return CC_ARGHACK; 424} 425 426 427/* ed_unassigned(): 428 * Indicates unbound character 429 * Bound to keys that are not assigned 430 */ 431protected el_action_t 432/*ARGSUSED*/ 433ed_unassigned(EditLine *el, wint_t c __attribute__((__unused__))) 434{ 435 436 return CC_ERROR; 437} 438 439 440/* ed_ignore(): 441 * Input characters that have no effect 442 * [^C ^O ^Q ^S ^Z ^\ ^]] [^C ^O ^Q ^S ^\] 443 */ 444protected el_action_t 445/*ARGSUSED*/ 446ed_ignore(EditLine *el __attribute__((__unused__)), 447 wint_t c __attribute__((__unused__))) 448{ 449 450 return CC_NORM; 451} 452 453 454/* ed_newline(): 455 * Execute command 456 * [^J] 457 */ 458protected el_action_t 459/*ARGSUSED*/ 460ed_newline(EditLine *el, wint_t c __attribute__((__unused__))) 461{ 462 463 re_goto_bottom(el); 464 *el->el_line.lastchar++ = '\n'; 465 *el->el_line.lastchar = '\0'; 466 return CC_NEWLINE; 467} 468 469 470/* ed_delete_prev_char(): 471 * Delete the character to the left of the cursor 472 * [^?] 473 */ 474protected el_action_t 475/*ARGSUSED*/ 476ed_delete_prev_char(EditLine *el, wint_t c __attribute__((__unused__))) 477{ 478 479 if (el->el_line.cursor <= el->el_line.buffer) 480 return CC_ERROR; 481 482 c_delbefore(el, el->el_state.argument); 483 el->el_line.cursor -= el->el_state.argument; 484 if (el->el_line.cursor < el->el_line.buffer) 485 el->el_line.cursor = el->el_line.buffer; 486 return CC_REFRESH; 487} 488 489 490/* ed_clear_screen(): 491 * Clear screen leaving current line at the top 492 * [^L] 493 */ 494protected el_action_t 495/*ARGSUSED*/ 496ed_clear_screen(EditLine *el, wint_t c __attribute__((__unused__))) 497{ 498 499 terminal_clear_screen(el); /* clear the whole real screen */ 500 re_clear_display(el); /* reset everything */ 501 return CC_REFRESH; 502} 503 504 505/* ed_redisplay(): 506 * Redisplay everything 507 * ^R 508 */ 509protected el_action_t 510/*ARGSUSED*/ 511ed_redisplay(EditLine *el __attribute__((__unused__)), 512 wint_t c __attribute__((__unused__))) 513{ 514 515 return CC_REDISPLAY; 516} 517 518 519/* ed_start_over(): 520 * Erase current line and start from scratch 521 * [^G] 522 */ 523protected el_action_t 524/*ARGSUSED*/ 525ed_start_over(EditLine *el, wint_t c __attribute__((__unused__))) 526{ 527 528 ch_reset(el, 0); 529 return CC_REFRESH; 530} 531 532 533/* ed_sequence_lead_in(): 534 * First character in a bound sequence 535 * Placeholder for external keys 536 */ 537protected el_action_t 538/*ARGSUSED*/ 539ed_sequence_lead_in(EditLine *el __attribute__((__unused__)), 540 wint_t c __attribute__((__unused__))) 541{ 542 543 return CC_NORM; 544} 545 546 547/* ed_prev_history(): 548 * Move to the previous history line 549 * [^P] [k] 550 */ 551protected el_action_t 552/*ARGSUSED*/ 553ed_prev_history(EditLine *el, wint_t c __attribute__((__unused__))) 554{ 555 char beep = 0; 556 int sv_event = el->el_history.eventno; 557 558 el->el_chared.c_undo.len = -1; 559 *el->el_line.lastchar = '\0'; /* just in case */ 560 561 if (el->el_history.eventno == 0) { /* save the current buffer 562 * away */ 563 (void) wcsncpy(el->el_history.buf, el->el_line.buffer, 564 EL_BUFSIZ); 565 el->el_history.last = el->el_history.buf + 566 (el->el_line.lastchar - el->el_line.buffer); 567 } 568 el->el_history.eventno += el->el_state.argument; 569 570 if (hist_get(el) == CC_ERROR) { 571 if (el->el_map.type == MAP_VI) { 572 el->el_history.eventno = sv_event; 573 } 574 beep = 1; 575 /* el->el_history.eventno was fixed by first call */ 576 (void) hist_get(el); 577 } 578 if (beep) 579 return CC_REFRESH_BEEP; 580 return CC_REFRESH; 581} 582 583 584/* ed_next_history(): 585 * Move to the next history line 586 * [^N] [j] 587 */ 588protected el_action_t 589/*ARGSUSED*/ 590ed_next_history(EditLine *el, wint_t c __attribute__((__unused__))) 591{ 592 el_action_t beep = CC_REFRESH, rval; 593 594 el->el_chared.c_undo.len = -1; 595 *el->el_line.lastchar = '\0'; /* just in case */ 596 597 el->el_history.eventno -= el->el_state.argument; 598 599 if (el->el_history.eventno < 0) { 600 el->el_history.eventno = 0; 601 beep = CC_REFRESH_BEEP; 602 } 603 rval = hist_get(el); 604 if (rval == CC_REFRESH) 605 return beep; 606 return rval; 607 608} 609 610 611/* ed_search_prev_history(): 612 * Search previous in history for a line matching the current 613 * next search history [M-P] [K] 614 */ 615protected el_action_t 616/*ARGSUSED*/ 617ed_search_prev_history(EditLine *el, wint_t c __attribute__((__unused__))) 618{ 619 const wchar_t *hp; 620 int h; 621 int found = 0; 622 623 el->el_chared.c_vcmd.action = NOP; 624 el->el_chared.c_undo.len = -1; 625 *el->el_line.lastchar = '\0'; /* just in case */ 626 if (el->el_history.eventno < 0) { 627#ifdef DEBUG_EDIT 628 (void) fprintf(el->el_errfile, 629 "e_prev_search_hist(): eventno < 0;\n"); 630#endif 631 el->el_history.eventno = 0; 632 return CC_ERROR; 633 } 634 if (el->el_history.eventno == 0) { 635 (void) wcsncpy(el->el_history.buf, el->el_line.buffer, 636 EL_BUFSIZ); 637 el->el_history.last = el->el_history.buf + 638 (el->el_line.lastchar - el->el_line.buffer); 639 } 640 if (el->el_history.ref == NULL) 641 return CC_ERROR; 642 643 hp = HIST_FIRST(el); 644 if (hp == NULL) 645 return CC_ERROR; 646 647 c_setpat(el); /* Set search pattern !! */ 648 649 for (h = 1; h <= el->el_history.eventno; h++) 650 hp = HIST_NEXT(el); 651 652 while (hp != NULL) { 653#ifdef SDEBUG 654 (void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp); 655#endif 656 if ((wcsncmp(hp, el->el_line.buffer, (size_t) 657 (el->el_line.lastchar - el->el_line.buffer)) || 658 hp[el->el_line.lastchar - el->el_line.buffer]) && 659 c_hmatch(el, hp)) { 660 found = 1; 661 break; 662 } 663 h++; 664 hp = HIST_NEXT(el); 665 } 666 667 if (!found) { 668#ifdef SDEBUG 669 (void) fprintf(el->el_errfile, "not found\n"); 670#endif 671 return CC_ERROR; 672 } 673 el->el_history.eventno = h; 674 675 return hist_get(el); 676} 677 678 679/* ed_search_next_history(): 680 * Search next in history for a line matching the current 681 * [M-N] [J] 682 */ 683protected el_action_t 684/*ARGSUSED*/ 685ed_search_next_history(EditLine *el, wint_t c __attribute__((__unused__))) 686{ 687 const wchar_t *hp; 688 int h; 689 int found = 0; 690 691 el->el_chared.c_vcmd.action = NOP; 692 el->el_chared.c_undo.len = -1; 693 *el->el_line.lastchar = '\0'; /* just in case */ 694 695 if (el->el_history.eventno == 0) 696 return CC_ERROR; 697 698 if (el->el_history.ref == NULL) 699 return CC_ERROR; 700 701 hp = HIST_FIRST(el); 702 if (hp == NULL) 703 return CC_ERROR; 704 705 c_setpat(el); /* Set search pattern !! */ 706 707 for (h = 1; h < el->el_history.eventno && hp; h++) { 708#ifdef SDEBUG 709 (void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp); 710#endif 711 if ((wcsncmp(hp, el->el_line.buffer, (size_t) 712 (el->el_line.lastchar - el->el_line.buffer)) || 713 hp[el->el_line.lastchar - el->el_line.buffer]) && 714 c_hmatch(el, hp)) 715 found = h; 716 hp = HIST_NEXT(el); 717 } 718 719 if (!found) { /* is it the current history number? */ 720 if (!c_hmatch(el, el->el_history.buf)) { 721#ifdef SDEBUG 722 (void) fprintf(el->el_errfile, "not found\n"); 723#endif 724 return CC_ERROR; 725 } 726 } 727 el->el_history.eventno = found; 728 729 return hist_get(el); 730} 731 732 733/* ed_prev_line(): 734 * Move up one line 735 * Could be [k] [^p] 736 */ 737protected el_action_t 738/*ARGSUSED*/ 739ed_prev_line(EditLine *el, wint_t c __attribute__((__unused__))) 740{ 741 wchar_t *ptr; 742 int nchars = c_hpos(el); 743 744 /* 745 * Move to the line requested 746 */ 747 if (*(ptr = el->el_line.cursor) == '\n') 748 ptr--; 749 750 for (; ptr >= el->el_line.buffer; ptr--) 751 if (*ptr == '\n' && --el->el_state.argument <= 0) 752 break; 753 754 if (el->el_state.argument > 0) 755 return CC_ERROR; 756 757 /* 758 * Move to the beginning of the line 759 */ 760 for (ptr--; ptr >= el->el_line.buffer && *ptr != '\n'; ptr--) 761 continue; 762 763 /* 764 * Move to the character requested 765 */ 766 for (ptr++; 767 nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n'; 768 ptr++) 769 continue; 770 771 el->el_line.cursor = ptr; 772 return CC_CURSOR; 773} 774 775 776/* ed_next_line(): 777 * Move down one line 778 * Could be [j] [^n] 779 */ 780protected el_action_t 781/*ARGSUSED*/ 782ed_next_line(EditLine *el, wint_t c __attribute__((__unused__))) 783{ 784 wchar_t *ptr; 785 int nchars = c_hpos(el); 786 787 /* 788 * Move to the line requested 789 */ 790 for (ptr = el->el_line.cursor; ptr < el->el_line.lastchar; ptr++) 791 if (*ptr == '\n' && --el->el_state.argument <= 0) 792 break; 793 794 if (el->el_state.argument > 0) 795 return CC_ERROR; 796 797 /* 798 * Move to the character requested 799 */ 800 for (ptr++; 801 nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n'; 802 ptr++) 803 continue; 804 805 el->el_line.cursor = ptr; 806 return CC_CURSOR; 807} 808 809 810/* ed_command(): 811 * Editline extended command 812 * [M-X] [:] 813 */ 814protected el_action_t 815/*ARGSUSED*/ 816ed_command(EditLine *el, wint_t c __attribute__((__unused__))) 817{ 818 wchar_t tmpbuf[EL_BUFSIZ]; 819 int tmplen; 820 821 tmplen = c_gets(el, tmpbuf, L"\n: "); 822 terminal__putc(el, '\n'); 823 824 if (tmplen < 0 || (tmpbuf[tmplen] = 0, parse_line(el, tmpbuf)) == -1) 825 terminal_beep(el); 826 827 el->el_map.current = el->el_map.key; 828 re_clear_display(el); 829 return CC_REFRESH; 830} 831