1 /* vi:set ts=8 sts=4 sw=4 noet: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * misc2.c: Various functions. 12 */ 13 #include "vim.h" 14 15 static char_u *username = NULL; /* cached result of mch_get_user_name() */ 16 17 static char_u *ff_expand_buffer = NULL; /* used for expanding filenames */ 18 19 #if defined(FEAT_VIRTUALEDIT) || defined(PROTO) 20 static int coladvance2(pos_T *pos, int addspaces, int finetune, colnr_T wcol); 21 22 /* 23 * Return TRUE if in the current mode we need to use virtual. 24 */ 25 int 26 virtual_active(void) 27 { 28 /* While an operator is being executed we return "virtual_op", because 29 * VIsual_active has already been reset, thus we can't check for "block" 30 * being used. */ 31 if (virtual_op != MAYBE) 32 return virtual_op; 33 return (ve_flags == VE_ALL 34 || ((ve_flags & VE_BLOCK) && VIsual_active && VIsual_mode == Ctrl_V) 35 || ((ve_flags & VE_INSERT) && (State & INSERT))); 36 } 37 38 /* 39 * Get the screen position of the cursor. 40 */ 41 int 42 getviscol(void) 43 { 44 colnr_T x; 45 46 getvvcol(curwin, &curwin->w_cursor, &x, NULL, NULL); 47 return (int)x; 48 } 49 50 /* 51 * Get the screen position of character col with a coladd in the cursor line. 52 */ 53 int 54 getviscol2(colnr_T col, colnr_T coladd) 55 { 56 colnr_T x; 57 pos_T pos; 58 59 pos.lnum = curwin->w_cursor.lnum; 60 pos.col = col; 61 pos.coladd = coladd; 62 getvvcol(curwin, &pos, &x, NULL, NULL); 63 return (int)x; 64 } 65 66 /* 67 * Go to column "wcol", and add/insert white space as necessary to get the 68 * cursor in that column. 69 * The caller must have saved the cursor line for undo! 70 */ 71 int 72 coladvance_force(colnr_T wcol) 73 { 74 int rc = coladvance2(&curwin->w_cursor, TRUE, FALSE, wcol); 75 76 if (wcol == MAXCOL) 77 curwin->w_valid &= ~VALID_VIRTCOL; 78 else 79 { 80 /* Virtcol is valid */ 81 curwin->w_valid |= VALID_VIRTCOL; 82 curwin->w_virtcol = wcol; 83 } 84 return rc; 85 } 86 #endif 87 88 /* 89 * Try to advance the Cursor to the specified screen column. 90 * If virtual editing: fine tune the cursor position. 91 * Note that all virtual positions off the end of a line should share 92 * a curwin->w_cursor.col value (n.b. this is equal to STRLEN(line)), 93 * beginning at coladd 0. 94 * 95 * return OK if desired column is reached, FAIL if not 96 */ 97 int 98 coladvance(colnr_T wcol) 99 { 100 int rc = getvpos(&curwin->w_cursor, wcol); 101 102 if (wcol == MAXCOL || rc == FAIL) 103 curwin->w_valid &= ~VALID_VIRTCOL; 104 else if (*ml_get_cursor() != TAB) 105 { 106 /* Virtcol is valid when not on a TAB */ 107 curwin->w_valid |= VALID_VIRTCOL; 108 curwin->w_virtcol = wcol; 109 } 110 return rc; 111 } 112 113 /* 114 * Return in "pos" the position of the cursor advanced to screen column "wcol". 115 * return OK if desired column is reached, FAIL if not 116 */ 117 int 118 getvpos(pos_T *pos, colnr_T wcol) 119 { 120 #ifdef FEAT_VIRTUALEDIT 121 return coladvance2(pos, FALSE, virtual_active(), wcol); 122 } 123 124 static int 125 coladvance2( 126 pos_T *pos, 127 int addspaces, /* change the text to achieve our goal? */ 128 int finetune, /* change char offset for the exact column */ 129 colnr_T wcol) /* column to move to */ 130 { 131 #endif 132 int idx; 133 char_u *ptr; 134 char_u *line; 135 colnr_T col = 0; 136 int csize = 0; 137 int one_more; 138 #ifdef FEAT_LINEBREAK 139 int head = 0; 140 #endif 141 142 one_more = (State & INSERT) 143 || restart_edit != NUL 144 || (VIsual_active && *p_sel != 'o') 145 #ifdef FEAT_VIRTUALEDIT 146 || ((ve_flags & VE_ONEMORE) && wcol < MAXCOL) 147 #endif 148 ; 149 line = ml_get_buf(curbuf, pos->lnum, FALSE); 150 151 if (wcol >= MAXCOL) 152 { 153 idx = (int)STRLEN(line) - 1 + one_more; 154 col = wcol; 155 156 #ifdef FEAT_VIRTUALEDIT 157 if ((addspaces || finetune) && !VIsual_active) 158 { 159 curwin->w_curswant = linetabsize(line) + one_more; 160 if (curwin->w_curswant > 0) 161 --curwin->w_curswant; 162 } 163 #endif 164 } 165 else 166 { 167 #ifdef FEAT_VIRTUALEDIT 168 int width = curwin->w_width - win_col_off(curwin); 169 170 if (finetune 171 && curwin->w_p_wrap 172 && curwin->w_width != 0 173 && wcol >= (colnr_T)width) 174 { 175 csize = linetabsize(line); 176 if (csize > 0) 177 csize--; 178 179 if (wcol / width > (colnr_T)csize / width 180 && ((State & INSERT) == 0 || (int)wcol > csize + 1)) 181 { 182 /* In case of line wrapping don't move the cursor beyond the 183 * right screen edge. In Insert mode allow going just beyond 184 * the last character (like what happens when typing and 185 * reaching the right window edge). */ 186 wcol = (csize / width + 1) * width - 1; 187 } 188 } 189 #endif 190 191 ptr = line; 192 while (col <= wcol && *ptr != NUL) 193 { 194 /* Count a tab for what it's worth (if list mode not on) */ 195 #ifdef FEAT_LINEBREAK 196 csize = win_lbr_chartabsize(curwin, line, ptr, col, &head); 197 MB_PTR_ADV(ptr); 198 #else 199 csize = lbr_chartabsize_adv(line, &ptr, col); 200 #endif 201 col += csize; 202 } 203 idx = (int)(ptr - line); 204 /* 205 * Handle all the special cases. The virtual_active() check 206 * is needed to ensure that a virtual position off the end of 207 * a line has the correct indexing. The one_more comparison 208 * replaces an explicit add of one_more later on. 209 */ 210 if (col > wcol || (!virtual_active() && one_more == 0)) 211 { 212 idx -= 1; 213 # ifdef FEAT_LINEBREAK 214 /* Don't count the chars from 'showbreak'. */ 215 csize -= head; 216 # endif 217 col -= csize; 218 } 219 220 #ifdef FEAT_VIRTUALEDIT 221 if (virtual_active() 222 && addspaces 223 && ((col != wcol && col != wcol + 1) || csize > 1)) 224 { 225 /* 'virtualedit' is set: The difference between wcol and col is 226 * filled with spaces. */ 227 228 if (line[idx] == NUL) 229 { 230 /* Append spaces */ 231 int correct = wcol - col; 232 char_u *newline = alloc(idx + correct + 1); 233 int t; 234 235 if (newline == NULL) 236 return FAIL; 237 238 for (t = 0; t < idx; ++t) 239 newline[t] = line[t]; 240 241 for (t = 0; t < correct; ++t) 242 newline[t + idx] = ' '; 243 244 newline[idx + correct] = NUL; 245 246 ml_replace(pos->lnum, newline, FALSE); 247 changed_bytes(pos->lnum, (colnr_T)idx); 248 idx += correct; 249 col = wcol; 250 } 251 else 252 { 253 /* Break a tab */ 254 int linelen = (int)STRLEN(line); 255 int correct = wcol - col - csize + 1; /* negative!! */ 256 char_u *newline; 257 int t, s = 0; 258 int v; 259 260 if (-correct > csize) 261 return FAIL; 262 263 newline = alloc(linelen + csize); 264 if (newline == NULL) 265 return FAIL; 266 267 for (t = 0; t < linelen; t++) 268 { 269 if (t != idx) 270 newline[s++] = line[t]; 271 else 272 for (v = 0; v < csize; v++) 273 newline[s++] = ' '; 274 } 275 276 newline[linelen + csize - 1] = NUL; 277 278 ml_replace(pos->lnum, newline, FALSE); 279 changed_bytes(pos->lnum, idx); 280 idx += (csize - 1 + correct); 281 col += correct; 282 } 283 } 284 #endif 285 } 286 287 if (idx < 0) 288 pos->col = 0; 289 else 290 pos->col = idx; 291 292 #ifdef FEAT_VIRTUALEDIT 293 pos->coladd = 0; 294 295 if (finetune) 296 { 297 if (wcol == MAXCOL) 298 { 299 /* The width of the last character is used to set coladd. */ 300 if (!one_more) 301 { 302 colnr_T scol, ecol; 303 304 getvcol(curwin, pos, &scol, NULL, &ecol); 305 pos->coladd = ecol - scol; 306 } 307 } 308 else 309 { 310 int b = (int)wcol - (int)col; 311 312 /* The difference between wcol and col is used to set coladd. */ 313 if (b > 0 && b < (MAXCOL - 2 * curwin->w_width)) 314 pos->coladd = b; 315 316 col += b; 317 } 318 } 319 #endif 320 321 #ifdef FEAT_MBYTE 322 /* prevent from moving onto a trail byte */ 323 if (has_mbyte) 324 mb_adjustpos(curbuf, pos); 325 #endif 326 327 if (col < wcol) 328 return FAIL; 329 return OK; 330 } 331 332 /* 333 * Increment the cursor position. See inc() for return values. 334 */ 335 int 336 inc_cursor(void) 337 { 338 return inc(&curwin->w_cursor); 339 } 340 341 /* 342 * Increment the line pointer "lp" crossing line boundaries as necessary. 343 * Return 1 when going to the next line. 344 * Return 2 when moving forward onto a NUL at the end of the line). 345 * Return -1 when at the end of file. 346 * Return 0 otherwise. 347 */ 348 int 349 inc(pos_T *lp) 350 { 351 char_u *p; 352 353 /* when searching position may be set to end of a line */ 354 if (lp->col != MAXCOL) 355 { 356 p = ml_get_pos(lp); 357 if (*p != NUL) /* still within line, move to next char (may be NUL) */ 358 { 359 #ifdef FEAT_MBYTE 360 if (has_mbyte) 361 { 362 int l = (*mb_ptr2len)(p); 363 364 lp->col += l; 365 return ((p[l] != NUL) ? 0 : 2); 366 } 367 #endif 368 lp->col++; 369 #ifdef FEAT_VIRTUALEDIT 370 lp->coladd = 0; 371 #endif 372 return ((p[1] != NUL) ? 0 : 2); 373 } 374 } 375 if (lp->lnum != curbuf->b_ml.ml_line_count) /* there is a next line */ 376 { 377 lp->col = 0; 378 lp->lnum++; 379 #ifdef FEAT_VIRTUALEDIT 380 lp->coladd = 0; 381 #endif 382 return 1; 383 } 384 return -1; 385 } 386 387 /* 388 * incl(lp): same as inc(), but skip the NUL at the end of non-empty lines 389 */ 390 int 391 incl(pos_T *lp) 392 { 393 int r; 394 395 if ((r = inc(lp)) >= 1 && lp->col) 396 r = inc(lp); 397 return r; 398 } 399 400 /* 401 * dec(p) 402 * 403 * Decrement the line pointer 'p' crossing line boundaries as necessary. 404 * Return 1 when crossing a line, -1 when at start of file, 0 otherwise. 405 */ 406 int 407 dec_cursor(void) 408 { 409 return dec(&curwin->w_cursor); 410 } 411 412 int 413 dec(pos_T *lp) 414 { 415 char_u *p; 416 417 #ifdef FEAT_VIRTUALEDIT 418 lp->coladd = 0; 419 #endif 420 if (lp->col == MAXCOL) 421 { 422 /* past end of line */ 423 p = ml_get(lp->lnum); 424 lp->col = (colnr_T)STRLEN(p); 425 #ifdef FEAT_MBYTE 426 if (has_mbyte) 427 lp->col -= (*mb_head_off)(p, p + lp->col); 428 #endif 429 return 0; 430 } 431 432 if (lp->col > 0) 433 { 434 /* still within line */ 435 lp->col--; 436 #ifdef FEAT_MBYTE 437 if (has_mbyte) 438 { 439 p = ml_get(lp->lnum); 440 lp->col -= (*mb_head_off)(p, p + lp->col); 441 } 442 #endif 443 return 0; 444 } 445 446 if (lp->lnum > 1) 447 { 448 /* there is a prior line */ 449 lp->lnum--; 450 p = ml_get(lp->lnum); 451 lp->col = (colnr_T)STRLEN(p); 452 #ifdef FEAT_MBYTE 453 if (has_mbyte) 454 lp->col -= (*mb_head_off)(p, p + lp->col); 455 #endif 456 return 1; 457 } 458 459 /* at start of file */ 460 return -1; 461 } 462 463 /* 464 * decl(lp): same as dec(), but skip the NUL at the end of non-empty lines 465 */ 466 int 467 decl(pos_T *lp) 468 { 469 int r; 470 471 if ((r = dec(lp)) == 1 && lp->col) 472 r = dec(lp); 473 return r; 474 } 475 476 /* 477 * Get the line number relative to the current cursor position, i.e. the 478 * difference between line number and cursor position. Only look for lines that 479 * can be visible, folded lines don't count. 480 */ 481 linenr_T 482 get_cursor_rel_lnum( 483 win_T *wp, 484 linenr_T lnum) /* line number to get the result for */ 485 { 486 linenr_T cursor = wp->w_cursor.lnum; 487 linenr_T retval = 0; 488 489 #ifdef FEAT_FOLDING 490 if (hasAnyFolding(wp)) 491 { 492 if (lnum > cursor) 493 { 494 while (lnum > cursor) 495 { 496 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL); 497 /* if lnum and cursor are in the same fold, 498 * now lnum <= cursor */ 499 if (lnum > cursor) 500 retval++; 501 lnum--; 502 } 503 } 504 else if (lnum < cursor) 505 { 506 while (lnum < cursor) 507 { 508 (void)hasFoldingWin(wp, lnum, NULL, &lnum, TRUE, NULL); 509 /* if lnum and cursor are in the same fold, 510 * now lnum >= cursor */ 511 if (lnum < cursor) 512 retval--; 513 lnum++; 514 } 515 } 516 /* else if (lnum == cursor) 517 * retval = 0; 518 */ 519 } 520 else 521 #endif 522 retval = lnum - cursor; 523 524 return retval; 525 } 526 527 /* 528 * Make sure "pos.lnum" and "pos.col" are valid in "buf". 529 * This allows for the col to be on the NUL byte. 530 */ 531 void 532 check_pos(buf_T *buf, pos_T *pos) 533 { 534 char_u *line; 535 colnr_T len; 536 537 if (pos->lnum > buf->b_ml.ml_line_count) 538 pos->lnum = buf->b_ml.ml_line_count; 539 540 if (pos->col > 0) 541 { 542 line = ml_get_buf(buf, pos->lnum, FALSE); 543 len = (colnr_T)STRLEN(line); 544 if (pos->col > len) 545 pos->col = len; 546 } 547 } 548 549 /* 550 * Make sure curwin->w_cursor.lnum is valid. 551 */ 552 void 553 check_cursor_lnum(void) 554 { 555 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 556 { 557 #ifdef FEAT_FOLDING 558 /* If there is a closed fold at the end of the file, put the cursor in 559 * its first line. Otherwise in the last line. */ 560 if (!hasFolding(curbuf->b_ml.ml_line_count, 561 &curwin->w_cursor.lnum, NULL)) 562 #endif 563 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 564 } 565 if (curwin->w_cursor.lnum <= 0) 566 curwin->w_cursor.lnum = 1; 567 } 568 569 /* 570 * Make sure curwin->w_cursor.col is valid. 571 */ 572 void 573 check_cursor_col(void) 574 { 575 check_cursor_col_win(curwin); 576 } 577 578 /* 579 * Make sure win->w_cursor.col is valid. 580 */ 581 void 582 check_cursor_col_win(win_T *win) 583 { 584 colnr_T len; 585 #ifdef FEAT_VIRTUALEDIT 586 colnr_T oldcol = win->w_cursor.col; 587 colnr_T oldcoladd = win->w_cursor.col + win->w_cursor.coladd; 588 #endif 589 590 len = (colnr_T)STRLEN(ml_get_buf(win->w_buffer, win->w_cursor.lnum, FALSE)); 591 if (len == 0) 592 win->w_cursor.col = 0; 593 else if (win->w_cursor.col >= len) 594 { 595 /* Allow cursor past end-of-line when: 596 * - in Insert mode or restarting Insert mode 597 * - in Visual mode and 'selection' isn't "old" 598 * - 'virtualedit' is set */ 599 if ((State & INSERT) || restart_edit 600 || (VIsual_active && *p_sel != 'o') 601 #ifdef FEAT_VIRTUALEDIT 602 || (ve_flags & VE_ONEMORE) 603 #endif 604 || virtual_active()) 605 win->w_cursor.col = len; 606 else 607 { 608 win->w_cursor.col = len - 1; 609 #ifdef FEAT_MBYTE 610 /* Move the cursor to the head byte. */ 611 if (has_mbyte) 612 mb_adjustpos(win->w_buffer, &win->w_cursor); 613 #endif 614 } 615 } 616 else if (win->w_cursor.col < 0) 617 win->w_cursor.col = 0; 618 619 #ifdef FEAT_VIRTUALEDIT 620 /* If virtual editing is on, we can leave the cursor on the old position, 621 * only we must set it to virtual. But don't do it when at the end of the 622 * line. */ 623 if (oldcol == MAXCOL) 624 win->w_cursor.coladd = 0; 625 else if (ve_flags == VE_ALL) 626 { 627 if (oldcoladd > win->w_cursor.col) 628 { 629 win->w_cursor.coladd = oldcoladd - win->w_cursor.col; 630 631 /* Make sure that coladd is not more than the char width. 632 * Not for the last character, coladd is then used when the cursor 633 * is actually after the last character. */ 634 if (win->w_cursor.col + 1 < len && win->w_cursor.coladd > 0) 635 { 636 int cs, ce; 637 638 getvcol(win, &win->w_cursor, &cs, NULL, &ce); 639 if (win->w_cursor.coladd > ce - cs) 640 win->w_cursor.coladd = ce - cs; 641 } 642 } 643 else 644 /* avoid weird number when there is a miscalculation or overflow */ 645 win->w_cursor.coladd = 0; 646 } 647 #endif 648 } 649 650 /* 651 * make sure curwin->w_cursor in on a valid character 652 */ 653 void 654 check_cursor(void) 655 { 656 check_cursor_lnum(); 657 check_cursor_col(); 658 } 659 660 #if defined(FEAT_TEXTOBJ) || defined(PROTO) 661 /* 662 * Make sure curwin->w_cursor is not on the NUL at the end of the line. 663 * Allow it when in Visual mode and 'selection' is not "old". 664 */ 665 void 666 adjust_cursor_col(void) 667 { 668 if (curwin->w_cursor.col > 0 669 && (!VIsual_active || *p_sel == 'o') 670 && gchar_cursor() == NUL) 671 --curwin->w_cursor.col; 672 } 673 #endif 674 675 /* 676 * When curwin->w_leftcol has changed, adjust the cursor position. 677 * Return TRUE if the cursor was moved. 678 */ 679 int 680 leftcol_changed(void) 681 { 682 long lastcol; 683 colnr_T s, e; 684 int retval = FALSE; 685 686 changed_cline_bef_curs(); 687 lastcol = curwin->w_leftcol + curwin->w_width - curwin_col_off() - 1; 688 validate_virtcol(); 689 690 /* 691 * If the cursor is right or left of the screen, move it to last or first 692 * character. 693 */ 694 if (curwin->w_virtcol > (colnr_T)(lastcol - p_siso)) 695 { 696 retval = TRUE; 697 coladvance((colnr_T)(lastcol - p_siso)); 698 } 699 else if (curwin->w_virtcol < curwin->w_leftcol + p_siso) 700 { 701 retval = TRUE; 702 (void)coladvance((colnr_T)(curwin->w_leftcol + p_siso)); 703 } 704 705 /* 706 * If the start of the character under the cursor is not on the screen, 707 * advance the cursor one more char. If this fails (last char of the 708 * line) adjust the scrolling. 709 */ 710 getvvcol(curwin, &curwin->w_cursor, &s, NULL, &e); 711 if (e > (colnr_T)lastcol) 712 { 713 retval = TRUE; 714 coladvance(s - 1); 715 } 716 else if (s < curwin->w_leftcol) 717 { 718 retval = TRUE; 719 if (coladvance(e + 1) == FAIL) /* there isn't another character */ 720 { 721 curwin->w_leftcol = s; /* adjust w_leftcol instead */ 722 changed_cline_bef_curs(); 723 } 724 } 725 726 if (retval) 727 curwin->w_set_curswant = TRUE; 728 redraw_later(NOT_VALID); 729 return retval; 730 } 731 732 /********************************************************************** 733 * Various routines dealing with allocation and deallocation of memory. 734 */ 735 736 #if defined(MEM_PROFILE) || defined(PROTO) 737 738 # define MEM_SIZES 8200 739 static long_u mem_allocs[MEM_SIZES]; 740 static long_u mem_frees[MEM_SIZES]; 741 static long_u mem_allocated; 742 static long_u mem_freed; 743 static long_u mem_peak; 744 static long_u num_alloc; 745 static long_u num_freed; 746 747 static void mem_pre_alloc_s(size_t *sizep); 748 static void mem_pre_alloc_l(long_u *sizep); 749 static void mem_post_alloc(void **pp, size_t size); 750 static void mem_pre_free(void **pp); 751 752 static void 753 mem_pre_alloc_s(size_t *sizep) 754 { 755 *sizep += sizeof(size_t); 756 } 757 758 static void 759 mem_pre_alloc_l(long_u *sizep) 760 { 761 *sizep += sizeof(size_t); 762 } 763 764 static void 765 mem_post_alloc( 766 void **pp, 767 size_t size) 768 { 769 if (*pp == NULL) 770 return; 771 size -= sizeof(size_t); 772 *(long_u *)*pp = size; 773 if (size <= MEM_SIZES-1) 774 mem_allocs[size-1]++; 775 else 776 mem_allocs[MEM_SIZES-1]++; 777 mem_allocated += size; 778 if (mem_allocated - mem_freed > mem_peak) 779 mem_peak = mem_allocated - mem_freed; 780 num_alloc++; 781 *pp = (void *)((char *)*pp + sizeof(size_t)); 782 } 783 784 static void 785 mem_pre_free(void **pp) 786 { 787 long_u size; 788 789 *pp = (void *)((char *)*pp - sizeof(size_t)); 790 size = *(size_t *)*pp; 791 if (size <= MEM_SIZES-1) 792 mem_frees[size-1]++; 793 else 794 mem_frees[MEM_SIZES-1]++; 795 mem_freed += size; 796 num_freed++; 797 } 798 799 /* 800 * called on exit via atexit() 801 */ 802 void 803 vim_mem_profile_dump(void) 804 { 805 int i, j; 806 807 printf("\r\n"); 808 j = 0; 809 for (i = 0; i < MEM_SIZES - 1; i++) 810 { 811 if (mem_allocs[i] || mem_frees[i]) 812 { 813 if (mem_frees[i] > mem_allocs[i]) 814 printf("\r\n%s", _("ERROR: ")); 815 printf("[%4d / %4lu-%-4lu] ", i + 1, mem_allocs[i], mem_frees[i]); 816 j++; 817 if (j > 3) 818 { 819 j = 0; 820 printf("\r\n"); 821 } 822 } 823 } 824 825 i = MEM_SIZES - 1; 826 if (mem_allocs[i]) 827 { 828 printf("\r\n"); 829 if (mem_frees[i] > mem_allocs[i]) 830 puts(_("ERROR: ")); 831 printf("[>%d / %4lu-%-4lu]", i, mem_allocs[i], mem_frees[i]); 832 } 833 834 printf(_("\n[bytes] total alloc-freed %lu-%lu, in use %lu, peak use %lu\n"), 835 mem_allocated, mem_freed, mem_allocated - mem_freed, mem_peak); 836 printf(_("[calls] total re/malloc()'s %lu, total free()'s %lu\n\n"), 837 num_alloc, num_freed); 838 } 839 840 #endif /* MEM_PROFILE */ 841 842 #ifdef FEAT_EVAL 843 static int alloc_does_fail(long_u size); 844 845 static int 846 alloc_does_fail(long_u size) 847 { 848 if (alloc_fail_countdown == 0) 849 { 850 if (--alloc_fail_repeat <= 0) 851 alloc_fail_id = 0; 852 do_outofmem_msg(size); 853 return TRUE; 854 } 855 --alloc_fail_countdown; 856 return FALSE; 857 } 858 #endif 859 860 /* 861 * Some memory is reserved for error messages and for being able to 862 * call mf_release_all(), which needs some memory for mf_trans_add(). 863 */ 864 #define KEEP_ROOM (2 * 8192L) 865 #define KEEP_ROOM_KB (KEEP_ROOM / 1024L) 866 867 /* 868 * Note: if unsigned is 16 bits we can only allocate up to 64K with alloc(). 869 * Use lalloc for larger blocks. 870 */ 871 char_u * 872 alloc(unsigned size) 873 { 874 return (lalloc((long_u)size, TRUE)); 875 } 876 877 /* 878 * alloc() with an ID for alloc_fail(). 879 */ 880 char_u * 881 alloc_id(unsigned size, alloc_id_T id UNUSED) 882 { 883 #ifdef FEAT_EVAL 884 if (alloc_fail_id == id && alloc_does_fail((long_u)size)) 885 return NULL; 886 #endif 887 return (lalloc((long_u)size, TRUE)); 888 } 889 890 /* 891 * Allocate memory and set all bytes to zero. 892 */ 893 char_u * 894 alloc_clear(unsigned size) 895 { 896 char_u *p; 897 898 p = lalloc((long_u)size, TRUE); 899 if (p != NULL) 900 (void)vim_memset(p, 0, (size_t)size); 901 return p; 902 } 903 904 /* 905 * alloc() with check for maximum line length 906 */ 907 char_u * 908 alloc_check(unsigned size) 909 { 910 #if !defined(UNIX) 911 if (sizeof(int) == 2 && size > 0x7fff) 912 { 913 /* Don't hide this message */ 914 emsg_silent = 0; 915 EMSG(_("E340: Line is becoming too long")); 916 return NULL; 917 } 918 #endif 919 return (lalloc((long_u)size, TRUE)); 920 } 921 922 /* 923 * Allocate memory like lalloc() and set all bytes to zero. 924 */ 925 char_u * 926 lalloc_clear(long_u size, int message) 927 { 928 char_u *p; 929 930 p = (lalloc(size, message)); 931 if (p != NULL) 932 (void)vim_memset(p, 0, (size_t)size); 933 return p; 934 } 935 936 /* 937 * Low level memory allocation function. 938 * This is used often, KEEP IT FAST! 939 */ 940 char_u * 941 lalloc(long_u size, int message) 942 { 943 char_u *p; /* pointer to new storage space */ 944 static int releasing = FALSE; /* don't do mf_release_all() recursive */ 945 int try_again; 946 #if defined(HAVE_AVAIL_MEM) 947 static long_u allocated = 0; /* allocated since last avail check */ 948 #endif 949 950 /* Safety check for allocating zero bytes */ 951 if (size == 0) 952 { 953 /* Don't hide this message */ 954 emsg_silent = 0; 955 IEMSGN(_("E341: Internal error: lalloc(%ld, )"), size); 956 return NULL; 957 } 958 959 #ifdef MEM_PROFILE 960 mem_pre_alloc_l(&size); 961 #endif 962 963 /* 964 * Loop when out of memory: Try to release some memfile blocks and 965 * if some blocks are released call malloc again. 966 */ 967 for (;;) 968 { 969 /* 970 * Handle three kind of systems: 971 * 1. No check for available memory: Just return. 972 * 2. Slow check for available memory: call mch_avail_mem() after 973 * allocating KEEP_ROOM amount of memory. 974 * 3. Strict check for available memory: call mch_avail_mem() 975 */ 976 if ((p = (char_u *)malloc((size_t)size)) != NULL) 977 { 978 #ifndef HAVE_AVAIL_MEM 979 /* 1. No check for available memory: Just return. */ 980 goto theend; 981 #else 982 /* 2. Slow check for available memory: call mch_avail_mem() after 983 * allocating (KEEP_ROOM / 2) amount of memory. */ 984 allocated += size; 985 if (allocated < KEEP_ROOM / 2) 986 goto theend; 987 allocated = 0; 988 989 /* 3. check for available memory: call mch_avail_mem() */ 990 if (mch_avail_mem(TRUE) < KEEP_ROOM_KB && !releasing) 991 { 992 free((char *)p); /* System is low... no go! */ 993 p = NULL; 994 } 995 else 996 goto theend; 997 #endif 998 } 999 /* 1000 * Remember that mf_release_all() is being called to avoid an endless 1001 * loop, because mf_release_all() may call alloc() recursively. 1002 */ 1003 if (releasing) 1004 break; 1005 releasing = TRUE; 1006 1007 clear_sb_text(TRUE); /* free any scrollback text */ 1008 try_again = mf_release_all(); /* release as many blocks as possible */ 1009 1010 releasing = FALSE; 1011 if (!try_again) 1012 break; 1013 } 1014 1015 if (message && p == NULL) 1016 do_outofmem_msg(size); 1017 1018 theend: 1019 #ifdef MEM_PROFILE 1020 mem_post_alloc((void **)&p, (size_t)size); 1021 #endif 1022 return p; 1023 } 1024 1025 /* 1026 * lalloc() with an ID for alloc_fail(). 1027 */ 1028 char_u * 1029 lalloc_id(long_u size, int message, alloc_id_T id UNUSED) 1030 { 1031 #ifdef FEAT_EVAL 1032 if (alloc_fail_id == id && alloc_does_fail(size)) 1033 return NULL; 1034 #endif 1035 return (lalloc((long_u)size, message)); 1036 } 1037 1038 #if defined(MEM_PROFILE) || defined(PROTO) 1039 /* 1040 * realloc() with memory profiling. 1041 */ 1042 void * 1043 mem_realloc(void *ptr, size_t size) 1044 { 1045 void *p; 1046 1047 mem_pre_free(&ptr); 1048 mem_pre_alloc_s(&size); 1049 1050 p = realloc(ptr, size); 1051 1052 mem_post_alloc(&p, size); 1053 1054 return p; 1055 } 1056 #endif 1057 1058 /* 1059 * Avoid repeating the error message many times (they take 1 second each). 1060 * Did_outofmem_msg is reset when a character is read. 1061 */ 1062 void 1063 do_outofmem_msg(long_u size) 1064 { 1065 if (!did_outofmem_msg) 1066 { 1067 /* Don't hide this message */ 1068 emsg_silent = 0; 1069 1070 /* Must come first to avoid coming back here when printing the error 1071 * message fails, e.g. when setting v:errmsg. */ 1072 did_outofmem_msg = TRUE; 1073 1074 EMSGN(_("E342: Out of memory! (allocating %lu bytes)"), size); 1075 } 1076 } 1077 1078 #if defined(EXITFREE) || defined(PROTO) 1079 1080 # if defined(FEAT_SEARCHPATH) 1081 static void free_findfile(void); 1082 # endif 1083 1084 /* 1085 * Free everything that we allocated. 1086 * Can be used to detect memory leaks, e.g., with ccmalloc. 1087 * NOTE: This is tricky! Things are freed that functions depend on. Don't be 1088 * surprised if Vim crashes... 1089 * Some things can't be freed, esp. things local to a library function. 1090 */ 1091 void 1092 free_all_mem(void) 1093 { 1094 buf_T *buf, *nextbuf; 1095 1096 /* When we cause a crash here it is caught and Vim tries to exit cleanly. 1097 * Don't try freeing everything again. */ 1098 if (entered_free_all_mem) 1099 return; 1100 entered_free_all_mem = TRUE; 1101 1102 /* Don't want to trigger autocommands from here on. */ 1103 block_autocmds(); 1104 1105 /* Close all tabs and windows. Reset 'equalalways' to avoid redraws. */ 1106 p_ea = FALSE; 1107 if (first_tabpage->tp_next != NULL) 1108 do_cmdline_cmd((char_u *)"tabonly!"); 1109 if (!ONE_WINDOW) 1110 do_cmdline_cmd((char_u *)"only!"); 1111 1112 # if defined(FEAT_SPELL) 1113 /* Free all spell info. */ 1114 spell_free_all(); 1115 # endif 1116 1117 #if defined(FEAT_INS_EXPAND) && defined(FEAT_BEVAL_TERM) 1118 ui_remove_balloon(); 1119 # endif 1120 1121 # if defined(FEAT_USR_CMDS) 1122 /* Clear user commands (before deleting buffers). */ 1123 ex_comclear(NULL); 1124 # endif 1125 1126 # ifdef FEAT_MENU 1127 /* Clear menus. */ 1128 do_cmdline_cmd((char_u *)"aunmenu *"); 1129 # ifdef FEAT_MULTI_LANG 1130 do_cmdline_cmd((char_u *)"menutranslate clear"); 1131 # endif 1132 # endif 1133 1134 /* Clear mappings, abbreviations, breakpoints. */ 1135 do_cmdline_cmd((char_u *)"lmapclear"); 1136 do_cmdline_cmd((char_u *)"xmapclear"); 1137 do_cmdline_cmd((char_u *)"mapclear"); 1138 do_cmdline_cmd((char_u *)"mapclear!"); 1139 do_cmdline_cmd((char_u *)"abclear"); 1140 # if defined(FEAT_EVAL) 1141 do_cmdline_cmd((char_u *)"breakdel *"); 1142 # endif 1143 # if defined(FEAT_PROFILE) 1144 do_cmdline_cmd((char_u *)"profdel *"); 1145 # endif 1146 # if defined(FEAT_KEYMAP) 1147 do_cmdline_cmd((char_u *)"set keymap="); 1148 #endif 1149 1150 # ifdef FEAT_TITLE 1151 free_titles(); 1152 # endif 1153 # if defined(FEAT_SEARCHPATH) 1154 free_findfile(); 1155 # endif 1156 1157 /* Obviously named calls. */ 1158 free_all_autocmds(); 1159 clear_termcodes(); 1160 free_all_marks(); 1161 alist_clear(&global_alist); 1162 free_homedir(); 1163 # if defined(FEAT_CMDL_COMPL) 1164 free_users(); 1165 # endif 1166 free_search_patterns(); 1167 free_old_sub(); 1168 free_last_insert(); 1169 free_prev_shellcmd(); 1170 free_regexp_stuff(); 1171 free_tag_stuff(); 1172 free_cd_dir(); 1173 # ifdef FEAT_SIGNS 1174 free_signs(); 1175 # endif 1176 # ifdef FEAT_EVAL 1177 set_expr_line(NULL); 1178 # endif 1179 # ifdef FEAT_DIFF 1180 diff_clear(curtab); 1181 # endif 1182 clear_sb_text(TRUE); /* free any scrollback text */ 1183 1184 /* Free some global vars. */ 1185 vim_free(username); 1186 # ifdef FEAT_CLIPBOARD 1187 vim_regfree(clip_exclude_prog); 1188 # endif 1189 vim_free(last_cmdline); 1190 # ifdef FEAT_CMDHIST 1191 vim_free(new_last_cmdline); 1192 # endif 1193 set_keep_msg(NULL, 0); 1194 vim_free(ff_expand_buffer); 1195 1196 /* Clear cmdline history. */ 1197 p_hi = 0; 1198 # ifdef FEAT_CMDHIST 1199 init_history(); 1200 # endif 1201 1202 #ifdef FEAT_QUICKFIX 1203 { 1204 win_T *win; 1205 tabpage_T *tab; 1206 1207 qf_free_all(NULL); 1208 /* Free all location lists */ 1209 FOR_ALL_TAB_WINDOWS(tab, win) 1210 qf_free_all(win); 1211 } 1212 #endif 1213 1214 /* Close all script inputs. */ 1215 close_all_scripts(); 1216 1217 /* Destroy all windows. Must come before freeing buffers. */ 1218 win_free_all(); 1219 1220 /* Free all option values. Must come after closing windows. */ 1221 free_all_options(); 1222 1223 /* Free all buffers. Reset 'autochdir' to avoid accessing things that 1224 * were freed already. */ 1225 #ifdef FEAT_AUTOCHDIR 1226 p_acd = FALSE; 1227 #endif 1228 for (buf = firstbuf; buf != NULL; ) 1229 { 1230 bufref_T bufref; 1231 1232 set_bufref(&bufref, buf); 1233 nextbuf = buf->b_next; 1234 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 1235 if (bufref_valid(&bufref)) 1236 buf = nextbuf; /* didn't work, try next one */ 1237 else 1238 buf = firstbuf; 1239 } 1240 1241 #ifdef FEAT_ARABIC 1242 free_cmdline_buf(); 1243 #endif 1244 1245 /* Clear registers. */ 1246 clear_registers(); 1247 ResetRedobuff(); 1248 ResetRedobuff(); 1249 1250 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11) 1251 vim_free(serverDelayedStartName); 1252 #endif 1253 1254 /* highlight info */ 1255 free_highlight(); 1256 1257 reset_last_sourcing(); 1258 1259 free_tabpage(first_tabpage); 1260 first_tabpage = NULL; 1261 1262 # ifdef UNIX 1263 /* Machine-specific free. */ 1264 mch_free_mem(); 1265 # endif 1266 1267 /* message history */ 1268 for (;;) 1269 if (delete_first_msg() == FAIL) 1270 break; 1271 1272 # ifdef FEAT_JOB_CHANNEL 1273 channel_free_all(); 1274 # endif 1275 #ifdef FEAT_TIMERS 1276 timer_free_all(); 1277 #endif 1278 # ifdef FEAT_EVAL 1279 /* must be after channel_free_all() with unrefs partials */ 1280 eval_clear(); 1281 # endif 1282 # ifdef FEAT_JOB_CHANNEL 1283 /* must be after eval_clear() with unrefs jobs */ 1284 job_free_all(); 1285 # endif 1286 1287 free_termoptions(); 1288 1289 /* screenlines (can't display anything now!) */ 1290 free_screenlines(); 1291 1292 #if defined(USE_XSMP) 1293 xsmp_close(); 1294 #endif 1295 #ifdef FEAT_GUI_GTK 1296 gui_mch_free_all(); 1297 #endif 1298 clear_hl_tables(); 1299 1300 vim_free(IObuff); 1301 vim_free(NameBuff); 1302 } 1303 #endif 1304 1305 /* 1306 * Copy "string" into newly allocated memory. 1307 */ 1308 char_u * 1309 vim_strsave(char_u *string) 1310 { 1311 char_u *p; 1312 unsigned len; 1313 1314 len = (unsigned)STRLEN(string) + 1; 1315 p = alloc(len); 1316 if (p != NULL) 1317 mch_memmove(p, string, (size_t)len); 1318 return p; 1319 } 1320 1321 /* 1322 * Copy up to "len" bytes of "string" into newly allocated memory and 1323 * terminate with a NUL. 1324 * The allocated memory always has size "len + 1", also when "string" is 1325 * shorter. 1326 */ 1327 char_u * 1328 vim_strnsave(char_u *string, int len) 1329 { 1330 char_u *p; 1331 1332 p = alloc((unsigned)(len + 1)); 1333 if (p != NULL) 1334 { 1335 STRNCPY(p, string, len); 1336 p[len] = NUL; 1337 } 1338 return p; 1339 } 1340 1341 /* 1342 * Same as vim_strsave(), but any characters found in esc_chars are preceded 1343 * by a backslash. 1344 */ 1345 char_u * 1346 vim_strsave_escaped(char_u *string, char_u *esc_chars) 1347 { 1348 return vim_strsave_escaped_ext(string, esc_chars, '\\', FALSE); 1349 } 1350 1351 /* 1352 * Same as vim_strsave_escaped(), but when "bsl" is TRUE also escape 1353 * characters where rem_backslash() would remove the backslash. 1354 * Escape the characters with "cc". 1355 */ 1356 char_u * 1357 vim_strsave_escaped_ext( 1358 char_u *string, 1359 char_u *esc_chars, 1360 int cc, 1361 int bsl) 1362 { 1363 char_u *p; 1364 char_u *p2; 1365 char_u *escaped_string; 1366 unsigned length; 1367 #ifdef FEAT_MBYTE 1368 int l; 1369 #endif 1370 1371 /* 1372 * First count the number of backslashes required. 1373 * Then allocate the memory and insert them. 1374 */ 1375 length = 1; /* count the trailing NUL */ 1376 for (p = string; *p; p++) 1377 { 1378 #ifdef FEAT_MBYTE 1379 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 1380 { 1381 length += l; /* count a multibyte char */ 1382 p += l - 1; 1383 continue; 1384 } 1385 #endif 1386 if (vim_strchr(esc_chars, *p) != NULL || (bsl && rem_backslash(p))) 1387 ++length; /* count a backslash */ 1388 ++length; /* count an ordinary char */ 1389 } 1390 escaped_string = alloc(length); 1391 if (escaped_string != NULL) 1392 { 1393 p2 = escaped_string; 1394 for (p = string; *p; p++) 1395 { 1396 #ifdef FEAT_MBYTE 1397 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 1398 { 1399 mch_memmove(p2, p, (size_t)l); 1400 p2 += l; 1401 p += l - 1; /* skip multibyte char */ 1402 continue; 1403 } 1404 #endif 1405 if (vim_strchr(esc_chars, *p) != NULL || (bsl && rem_backslash(p))) 1406 *p2++ = cc; 1407 *p2++ = *p; 1408 } 1409 *p2 = NUL; 1410 } 1411 return escaped_string; 1412 } 1413 1414 /* 1415 * Return TRUE when 'shell' has "csh" in the tail. 1416 */ 1417 int 1418 csh_like_shell(void) 1419 { 1420 return (strstr((char *)gettail(p_sh), "csh") != NULL); 1421 } 1422 1423 /* 1424 * Escape "string" for use as a shell argument with system(). 1425 * This uses single quotes, except when we know we need to use double quotes 1426 * (MS-DOS and MS-Windows without 'shellslash' set). 1427 * Escape a newline, depending on the 'shell' option. 1428 * When "do_special" is TRUE also replace "!", "%", "#" and things starting 1429 * with "<" like "<cfile>". 1430 * When "do_newline" is FALSE do not escape newline unless it is csh shell. 1431 * Returns the result in allocated memory, NULL if we have run out. 1432 */ 1433 char_u * 1434 vim_strsave_shellescape(char_u *string, int do_special, int do_newline) 1435 { 1436 unsigned length; 1437 char_u *p; 1438 char_u *d; 1439 char_u *escaped_string; 1440 int l; 1441 int csh_like; 1442 1443 /* Only csh and similar shells expand '!' within single quotes. For sh and 1444 * the like we must not put a backslash before it, it will be taken 1445 * literally. If do_special is set the '!' will be escaped twice. 1446 * Csh also needs to have "\n" escaped twice when do_special is set. */ 1447 csh_like = csh_like_shell(); 1448 1449 /* First count the number of extra bytes required. */ 1450 length = (unsigned)STRLEN(string) + 3; /* two quotes and a trailing NUL */ 1451 for (p = string; *p != NUL; MB_PTR_ADV(p)) 1452 { 1453 # ifdef WIN32 1454 if (!p_ssl) 1455 { 1456 if (*p == '"') 1457 ++length; /* " -> "" */ 1458 } 1459 else 1460 # endif 1461 if (*p == '\'') 1462 length += 3; /* ' => '\'' */ 1463 if ((*p == '\n' && (csh_like || do_newline)) 1464 || (*p == '!' && (csh_like || do_special))) 1465 { 1466 ++length; /* insert backslash */ 1467 if (csh_like && do_special) 1468 ++length; /* insert backslash */ 1469 } 1470 if (do_special && find_cmdline_var(p, &l) >= 0) 1471 { 1472 ++length; /* insert backslash */ 1473 p += l - 1; 1474 } 1475 } 1476 1477 /* Allocate memory for the result and fill it. */ 1478 escaped_string = alloc(length); 1479 if (escaped_string != NULL) 1480 { 1481 d = escaped_string; 1482 1483 /* add opening quote */ 1484 # ifdef WIN32 1485 if (!p_ssl) 1486 *d++ = '"'; 1487 else 1488 # endif 1489 *d++ = '\''; 1490 1491 for (p = string; *p != NUL; ) 1492 { 1493 # ifdef WIN32 1494 if (!p_ssl) 1495 { 1496 if (*p == '"') 1497 { 1498 *d++ = '"'; 1499 *d++ = '"'; 1500 ++p; 1501 continue; 1502 } 1503 } 1504 else 1505 # endif 1506 if (*p == '\'') 1507 { 1508 *d++ = '\''; 1509 *d++ = '\\'; 1510 *d++ = '\''; 1511 *d++ = '\''; 1512 ++p; 1513 continue; 1514 } 1515 if ((*p == '\n' && (csh_like || do_newline)) 1516 || (*p == '!' && (csh_like || do_special))) 1517 { 1518 *d++ = '\\'; 1519 if (csh_like && do_special) 1520 *d++ = '\\'; 1521 *d++ = *p++; 1522 continue; 1523 } 1524 if (do_special && find_cmdline_var(p, &l) >= 0) 1525 { 1526 *d++ = '\\'; /* insert backslash */ 1527 while (--l >= 0) /* copy the var */ 1528 *d++ = *p++; 1529 continue; 1530 } 1531 1532 MB_COPY_CHAR(p, d); 1533 } 1534 1535 /* add terminating quote and finish with a NUL */ 1536 # ifdef WIN32 1537 if (!p_ssl) 1538 *d++ = '"'; 1539 else 1540 # endif 1541 *d++ = '\''; 1542 *d = NUL; 1543 } 1544 1545 return escaped_string; 1546 } 1547 1548 /* 1549 * Like vim_strsave(), but make all characters uppercase. 1550 * This uses ASCII lower-to-upper case translation, language independent. 1551 */ 1552 char_u * 1553 vim_strsave_up(char_u *string) 1554 { 1555 char_u *p1; 1556 1557 p1 = vim_strsave(string); 1558 vim_strup(p1); 1559 return p1; 1560 } 1561 1562 /* 1563 * Like vim_strnsave(), but make all characters uppercase. 1564 * This uses ASCII lower-to-upper case translation, language independent. 1565 */ 1566 char_u * 1567 vim_strnsave_up(char_u *string, int len) 1568 { 1569 char_u *p1; 1570 1571 p1 = vim_strnsave(string, len); 1572 vim_strup(p1); 1573 return p1; 1574 } 1575 1576 /* 1577 * ASCII lower-to-upper case translation, language independent. 1578 */ 1579 void 1580 vim_strup( 1581 char_u *p) 1582 { 1583 char_u *p2; 1584 int c; 1585 1586 if (p != NULL) 1587 { 1588 p2 = p; 1589 while ((c = *p2) != NUL) 1590 #ifdef EBCDIC 1591 *p2++ = isalpha(c) ? toupper(c) : c; 1592 #else 1593 *p2++ = (c < 'a' || c > 'z') ? c : (c - 0x20); 1594 #endif 1595 } 1596 } 1597 1598 #if defined(FEAT_EVAL) || defined(FEAT_SPELL) || defined(PROTO) 1599 /* 1600 * Make string "s" all upper-case and return it in allocated memory. 1601 * Handles multi-byte characters as well as possible. 1602 * Returns NULL when out of memory. 1603 */ 1604 char_u * 1605 strup_save(char_u *orig) 1606 { 1607 char_u *p; 1608 char_u *res; 1609 1610 res = p = vim_strsave(orig); 1611 1612 if (res != NULL) 1613 while (*p != NUL) 1614 { 1615 # ifdef FEAT_MBYTE 1616 int l; 1617 1618 if (enc_utf8) 1619 { 1620 int c, uc; 1621 int newl; 1622 char_u *s; 1623 1624 c = utf_ptr2char(p); 1625 l = utf_ptr2len(p); 1626 if (c == 0) 1627 { 1628 /* overlong sequence, use only the first byte */ 1629 c = *p; 1630 l = 1; 1631 } 1632 uc = utf_toupper(c); 1633 1634 /* Reallocate string when byte count changes. This is rare, 1635 * thus it's OK to do another malloc()/free(). */ 1636 newl = utf_char2len(uc); 1637 if (newl != l) 1638 { 1639 s = alloc((unsigned)STRLEN(res) + 1 + newl - l); 1640 if (s == NULL) 1641 { 1642 vim_free(res); 1643 return NULL; 1644 } 1645 mch_memmove(s, res, p - res); 1646 STRCPY(s + (p - res) + newl, p + l); 1647 p = s + (p - res); 1648 vim_free(res); 1649 res = s; 1650 } 1651 1652 utf_char2bytes(uc, p); 1653 p += newl; 1654 } 1655 else if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 1656 p += l; /* skip multi-byte character */ 1657 else 1658 # endif 1659 { 1660 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */ 1661 p++; 1662 } 1663 } 1664 1665 return res; 1666 } 1667 1668 /* 1669 * Make string "s" all lower-case and return it in allocated memory. 1670 * Handles multi-byte characters as well as possible. 1671 * Returns NULL when out of memory. 1672 */ 1673 char_u * 1674 strlow_save(char_u *orig) 1675 { 1676 char_u *p; 1677 char_u *res; 1678 1679 res = p = vim_strsave(orig); 1680 1681 if (res != NULL) 1682 while (*p != NUL) 1683 { 1684 # ifdef FEAT_MBYTE 1685 int l; 1686 1687 if (enc_utf8) 1688 { 1689 int c, lc; 1690 int newl; 1691 char_u *s; 1692 1693 c = utf_ptr2char(p); 1694 l = utf_ptr2len(p); 1695 if (c == 0) 1696 { 1697 /* overlong sequence, use only the first byte */ 1698 c = *p; 1699 l = 1; 1700 } 1701 lc = utf_tolower(c); 1702 1703 /* Reallocate string when byte count changes. This is rare, 1704 * thus it's OK to do another malloc()/free(). */ 1705 newl = utf_char2len(lc); 1706 if (newl != l) 1707 { 1708 s = alloc((unsigned)STRLEN(res) + 1 + newl - l); 1709 if (s == NULL) 1710 { 1711 vim_free(res); 1712 return NULL; 1713 } 1714 mch_memmove(s, res, p - res); 1715 STRCPY(s + (p - res) + newl, p + l); 1716 p = s + (p - res); 1717 vim_free(res); 1718 res = s; 1719 } 1720 1721 utf_char2bytes(lc, p); 1722 p += newl; 1723 } 1724 else if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 1725 p += l; /* skip multi-byte character */ 1726 else 1727 # endif 1728 { 1729 *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */ 1730 p++; 1731 } 1732 } 1733 1734 return res; 1735 } 1736 #endif 1737 1738 /* 1739 * delete spaces at the end of a string 1740 */ 1741 void 1742 del_trailing_spaces(char_u *ptr) 1743 { 1744 char_u *q; 1745 1746 q = ptr + STRLEN(ptr); 1747 while (--q > ptr && VIM_ISWHITE(q[0]) && q[-1] != '\\' && q[-1] != Ctrl_V) 1748 *q = NUL; 1749 } 1750 1751 /* 1752 * Like strncpy(), but always terminate the result with one NUL. 1753 * "to" must be "len + 1" long! 1754 */ 1755 void 1756 vim_strncpy(char_u *to, char_u *from, size_t len) 1757 { 1758 STRNCPY(to, from, len); 1759 to[len] = NUL; 1760 } 1761 1762 /* 1763 * Like strcat(), but make sure the result fits in "tosize" bytes and is 1764 * always NUL terminated. "from" and "to" may overlap. 1765 */ 1766 void 1767 vim_strcat(char_u *to, char_u *from, size_t tosize) 1768 { 1769 size_t tolen = STRLEN(to); 1770 size_t fromlen = STRLEN(from); 1771 1772 if (tolen + fromlen + 1 > tosize) 1773 { 1774 mch_memmove(to + tolen, from, tosize - tolen - 1); 1775 to[tosize - 1] = NUL; 1776 } 1777 else 1778 mch_memmove(to + tolen, from, fromlen + 1); 1779 } 1780 1781 /* 1782 * Isolate one part of a string option where parts are separated with 1783 * "sep_chars". 1784 * The part is copied into "buf[maxlen]". 1785 * "*option" is advanced to the next part. 1786 * The length is returned. 1787 */ 1788 int 1789 copy_option_part( 1790 char_u **option, 1791 char_u *buf, 1792 int maxlen, 1793 char *sep_chars) 1794 { 1795 int len = 0; 1796 char_u *p = *option; 1797 1798 /* skip '.' at start of option part, for 'suffixes' */ 1799 if (*p == '.') 1800 buf[len++] = *p++; 1801 while (*p != NUL && vim_strchr((char_u *)sep_chars, *p) == NULL) 1802 { 1803 /* 1804 * Skip backslash before a separator character and space. 1805 */ 1806 if (p[0] == '\\' && vim_strchr((char_u *)sep_chars, p[1]) != NULL) 1807 ++p; 1808 if (len < maxlen - 1) 1809 buf[len++] = *p; 1810 ++p; 1811 } 1812 buf[len] = NUL; 1813 1814 if (*p != NUL && *p != ',') /* skip non-standard separator */ 1815 ++p; 1816 p = skip_to_option_part(p); /* p points to next file name */ 1817 1818 *option = p; 1819 return len; 1820 } 1821 1822 /* 1823 * Replacement for free() that ignores NULL pointers. 1824 * Also skip free() when exiting for sure, this helps when we caught a deadly 1825 * signal that was caused by a crash in free(). 1826 * If you want to set NULL after calling this function, you should use 1827 * VIM_CLEAR() instead. 1828 */ 1829 void 1830 vim_free(void *x) 1831 { 1832 if (x != NULL && !really_exiting) 1833 { 1834 #ifdef MEM_PROFILE 1835 mem_pre_free(&x); 1836 #endif 1837 free(x); 1838 } 1839 } 1840 1841 #ifndef HAVE_MEMSET 1842 void * 1843 vim_memset(void *ptr, int c, size_t size) 1844 { 1845 char *p = ptr; 1846 1847 while (size-- > 0) 1848 *p++ = c; 1849 return ptr; 1850 } 1851 #endif 1852 1853 #if (!defined(HAVE_STRCASECMP) && !defined(HAVE_STRICMP)) || defined(PROTO) 1854 /* 1855 * Compare two strings, ignoring case, using current locale. 1856 * Doesn't work for multi-byte characters. 1857 * return 0 for match, < 0 for smaller, > 0 for bigger 1858 */ 1859 int 1860 vim_stricmp(char *s1, char *s2) 1861 { 1862 int i; 1863 1864 for (;;) 1865 { 1866 i = (int)TOLOWER_LOC(*s1) - (int)TOLOWER_LOC(*s2); 1867 if (i != 0) 1868 return i; /* this character different */ 1869 if (*s1 == NUL) 1870 break; /* strings match until NUL */ 1871 ++s1; 1872 ++s2; 1873 } 1874 return 0; /* strings match */ 1875 } 1876 #endif 1877 1878 #if (!defined(HAVE_STRNCASECMP) && !defined(HAVE_STRNICMP)) || defined(PROTO) 1879 /* 1880 * Compare two strings, for length "len", ignoring case, using current locale. 1881 * Doesn't work for multi-byte characters. 1882 * return 0 for match, < 0 for smaller, > 0 for bigger 1883 */ 1884 int 1885 vim_strnicmp(char *s1, char *s2, size_t len) 1886 { 1887 int i; 1888 1889 while (len > 0) 1890 { 1891 i = (int)TOLOWER_LOC(*s1) - (int)TOLOWER_LOC(*s2); 1892 if (i != 0) 1893 return i; /* this character different */ 1894 if (*s1 == NUL) 1895 break; /* strings match until NUL */ 1896 ++s1; 1897 ++s2; 1898 --len; 1899 } 1900 return 0; /* strings match */ 1901 } 1902 #endif 1903 1904 /* 1905 * Version of strchr() and strrchr() that handle unsigned char strings 1906 * with characters from 128 to 255 correctly. It also doesn't return a 1907 * pointer to the NUL at the end of the string. 1908 */ 1909 char_u * 1910 vim_strchr(char_u *string, int c) 1911 { 1912 char_u *p; 1913 int b; 1914 1915 p = string; 1916 #ifdef FEAT_MBYTE 1917 if (enc_utf8 && c >= 0x80) 1918 { 1919 while (*p != NUL) 1920 { 1921 int l = utfc_ptr2len(p); 1922 1923 /* Avoid matching an illegal byte here. */ 1924 if (utf_ptr2char(p) == c && l > 1) 1925 return p; 1926 p += l; 1927 } 1928 return NULL; 1929 } 1930 if (enc_dbcs != 0 && c > 255) 1931 { 1932 int n2 = c & 0xff; 1933 1934 c = ((unsigned)c >> 8) & 0xff; 1935 while ((b = *p) != NUL) 1936 { 1937 if (b == c && p[1] == n2) 1938 return p; 1939 p += (*mb_ptr2len)(p); 1940 } 1941 return NULL; 1942 } 1943 if (has_mbyte) 1944 { 1945 while ((b = *p) != NUL) 1946 { 1947 if (b == c) 1948 return p; 1949 p += (*mb_ptr2len)(p); 1950 } 1951 return NULL; 1952 } 1953 #endif 1954 while ((b = *p) != NUL) 1955 { 1956 if (b == c) 1957 return p; 1958 ++p; 1959 } 1960 return NULL; 1961 } 1962 1963 /* 1964 * Version of strchr() that only works for bytes and handles unsigned char 1965 * strings with characters above 128 correctly. It also doesn't return a 1966 * pointer to the NUL at the end of the string. 1967 */ 1968 char_u * 1969 vim_strbyte(char_u *string, int c) 1970 { 1971 char_u *p = string; 1972 1973 while (*p != NUL) 1974 { 1975 if (*p == c) 1976 return p; 1977 ++p; 1978 } 1979 return NULL; 1980 } 1981 1982 /* 1983 * Search for last occurrence of "c" in "string". 1984 * Return NULL if not found. 1985 * Does not handle multi-byte char for "c"! 1986 */ 1987 char_u * 1988 vim_strrchr(char_u *string, int c) 1989 { 1990 char_u *retval = NULL; 1991 char_u *p = string; 1992 1993 while (*p) 1994 { 1995 if (*p == c) 1996 retval = p; 1997 MB_PTR_ADV(p); 1998 } 1999 return retval; 2000 } 2001 2002 /* 2003 * Vim's version of strpbrk(), in case it's missing. 2004 * Don't generate a prototype for this, causes problems when it's not used. 2005 */ 2006 #ifndef PROTO 2007 # ifndef HAVE_STRPBRK 2008 # ifdef vim_strpbrk 2009 # undef vim_strpbrk 2010 # endif 2011 char_u * 2012 vim_strpbrk(char_u *s, char_u *charset) 2013 { 2014 while (*s) 2015 { 2016 if (vim_strchr(charset, *s) != NULL) 2017 return s; 2018 MB_PTR_ADV(s); 2019 } 2020 return NULL; 2021 } 2022 # endif 2023 #endif 2024 2025 /* 2026 * Vim has its own isspace() function, because on some machines isspace() 2027 * can't handle characters above 128. 2028 */ 2029 int 2030 vim_isspace(int x) 2031 { 2032 return ((x >= 9 && x <= 13) || x == ' '); 2033 } 2034 2035 /************************************************************************ 2036 * Functions for handling growing arrays. 2037 */ 2038 2039 /* 2040 * Clear an allocated growing array. 2041 */ 2042 void 2043 ga_clear(garray_T *gap) 2044 { 2045 vim_free(gap->ga_data); 2046 ga_init(gap); 2047 } 2048 2049 /* 2050 * Clear a growing array that contains a list of strings. 2051 */ 2052 void 2053 ga_clear_strings(garray_T *gap) 2054 { 2055 int i; 2056 2057 for (i = 0; i < gap->ga_len; ++i) 2058 vim_free(((char_u **)(gap->ga_data))[i]); 2059 ga_clear(gap); 2060 } 2061 2062 /* 2063 * Initialize a growing array. Don't forget to set ga_itemsize and 2064 * ga_growsize! Or use ga_init2(). 2065 */ 2066 void 2067 ga_init(garray_T *gap) 2068 { 2069 gap->ga_data = NULL; 2070 gap->ga_maxlen = 0; 2071 gap->ga_len = 0; 2072 } 2073 2074 void 2075 ga_init2(garray_T *gap, int itemsize, int growsize) 2076 { 2077 ga_init(gap); 2078 gap->ga_itemsize = itemsize; 2079 gap->ga_growsize = growsize; 2080 } 2081 2082 /* 2083 * Make room in growing array "gap" for at least "n" items. 2084 * Return FAIL for failure, OK otherwise. 2085 */ 2086 int 2087 ga_grow(garray_T *gap, int n) 2088 { 2089 size_t old_len; 2090 size_t new_len; 2091 char_u *pp; 2092 2093 if (gap->ga_maxlen - gap->ga_len < n) 2094 { 2095 if (n < gap->ga_growsize) 2096 n = gap->ga_growsize; 2097 new_len = gap->ga_itemsize * (gap->ga_len + n); 2098 pp = (gap->ga_data == NULL) 2099 ? alloc((unsigned)new_len) : vim_realloc(gap->ga_data, new_len); 2100 if (pp == NULL) 2101 return FAIL; 2102 old_len = gap->ga_itemsize * gap->ga_maxlen; 2103 vim_memset(pp + old_len, 0, new_len - old_len); 2104 gap->ga_maxlen = gap->ga_len + n; 2105 gap->ga_data = pp; 2106 } 2107 return OK; 2108 } 2109 2110 /* 2111 * For a growing array that contains a list of strings: concatenate all the 2112 * strings with a separating "sep". 2113 * Returns NULL when out of memory. 2114 */ 2115 char_u * 2116 ga_concat_strings(garray_T *gap, char *sep) 2117 { 2118 int i; 2119 int len = 0; 2120 int sep_len = (int)STRLEN(sep); 2121 char_u *s; 2122 char_u *p; 2123 2124 for (i = 0; i < gap->ga_len; ++i) 2125 len += (int)STRLEN(((char_u **)(gap->ga_data))[i]) + sep_len; 2126 2127 s = alloc(len + 1); 2128 if (s != NULL) 2129 { 2130 *s = NUL; 2131 p = s; 2132 for (i = 0; i < gap->ga_len; ++i) 2133 { 2134 if (p != s) 2135 { 2136 STRCPY(p, sep); 2137 p += sep_len; 2138 } 2139 STRCPY(p, ((char_u **)(gap->ga_data))[i]); 2140 p += STRLEN(p); 2141 } 2142 } 2143 return s; 2144 } 2145 2146 #if defined(FEAT_VIMINFO) || defined(FEAT_EVAL) || defined(PROTO) 2147 /* 2148 * Make a copy of string "p" and add it to "gap". 2149 * When out of memory nothing changes. 2150 */ 2151 void 2152 ga_add_string(garray_T *gap, char_u *p) 2153 { 2154 char_u *cp = vim_strsave(p); 2155 2156 if (cp != NULL) 2157 { 2158 if (ga_grow(gap, 1) == OK) 2159 ((char_u **)(gap->ga_data))[gap->ga_len++] = cp; 2160 else 2161 vim_free(cp); 2162 } 2163 } 2164 #endif 2165 2166 /* 2167 * Concatenate a string to a growarray which contains characters. 2168 * When "s" is NULL does not do anything. 2169 * Note: Does NOT copy the NUL at the end! 2170 */ 2171 void 2172 ga_concat(garray_T *gap, char_u *s) 2173 { 2174 int len; 2175 2176 if (s == NULL || *s == NUL) 2177 return; 2178 len = (int)STRLEN(s); 2179 if (ga_grow(gap, len) == OK) 2180 { 2181 mch_memmove((char *)gap->ga_data + gap->ga_len, s, (size_t)len); 2182 gap->ga_len += len; 2183 } 2184 } 2185 2186 /* 2187 * Append one byte to a growarray which contains bytes. 2188 */ 2189 void 2190 ga_append(garray_T *gap, int c) 2191 { 2192 if (ga_grow(gap, 1) == OK) 2193 { 2194 *((char *)gap->ga_data + gap->ga_len) = c; 2195 ++gap->ga_len; 2196 } 2197 } 2198 2199 #if (defined(UNIX) && !defined(USE_SYSTEM)) || defined(WIN3264) \ 2200 || defined(PROTO) 2201 /* 2202 * Append the text in "gap" below the cursor line and clear "gap". 2203 */ 2204 void 2205 append_ga_line(garray_T *gap) 2206 { 2207 /* Remove trailing CR. */ 2208 if (gap->ga_len > 0 2209 && !curbuf->b_p_bin 2210 && ((char_u *)gap->ga_data)[gap->ga_len - 1] == CAR) 2211 --gap->ga_len; 2212 ga_append(gap, NUL); 2213 ml_append(curwin->w_cursor.lnum++, gap->ga_data, 0, FALSE); 2214 gap->ga_len = 0; 2215 } 2216 #endif 2217 2218 /************************************************************************ 2219 * functions that use lookup tables for various things, generally to do with 2220 * special key codes. 2221 */ 2222 2223 /* 2224 * Some useful tables. 2225 */ 2226 2227 static struct modmasktable 2228 { 2229 short mod_mask; /* Bit-mask for particular key modifier */ 2230 short mod_flag; /* Bit(s) for particular key modifier */ 2231 char_u name; /* Single letter name of modifier */ 2232 } mod_mask_table[] = 2233 { 2234 {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'M'}, 2235 {MOD_MASK_META, MOD_MASK_META, (char_u)'T'}, 2236 {MOD_MASK_CTRL, MOD_MASK_CTRL, (char_u)'C'}, 2237 {MOD_MASK_SHIFT, MOD_MASK_SHIFT, (char_u)'S'}, 2238 {MOD_MASK_MULTI_CLICK, MOD_MASK_2CLICK, (char_u)'2'}, 2239 {MOD_MASK_MULTI_CLICK, MOD_MASK_3CLICK, (char_u)'3'}, 2240 {MOD_MASK_MULTI_CLICK, MOD_MASK_4CLICK, (char_u)'4'}, 2241 #ifdef MACOS_X 2242 {MOD_MASK_CMD, MOD_MASK_CMD, (char_u)'D'}, 2243 #endif 2244 /* 'A' must be the last one */ 2245 {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'A'}, 2246 {0, 0, NUL} 2247 /* NOTE: when adding an entry, update MAX_KEY_NAME_LEN! */ 2248 }; 2249 2250 /* 2251 * Shifted key terminal codes and their unshifted equivalent. 2252 * Don't add mouse codes here, they are handled separately! 2253 */ 2254 #define MOD_KEYS_ENTRY_SIZE 5 2255 2256 static char_u modifier_keys_table[] = 2257 { 2258 /* mod mask with modifier without modifier */ 2259 MOD_MASK_SHIFT, '&', '9', '@', '1', /* begin */ 2260 MOD_MASK_SHIFT, '&', '0', '@', '2', /* cancel */ 2261 MOD_MASK_SHIFT, '*', '1', '@', '4', /* command */ 2262 MOD_MASK_SHIFT, '*', '2', '@', '5', /* copy */ 2263 MOD_MASK_SHIFT, '*', '3', '@', '6', /* create */ 2264 MOD_MASK_SHIFT, '*', '4', 'k', 'D', /* delete char */ 2265 MOD_MASK_SHIFT, '*', '5', 'k', 'L', /* delete line */ 2266 MOD_MASK_SHIFT, '*', '7', '@', '7', /* end */ 2267 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_END, '@', '7', /* end */ 2268 MOD_MASK_SHIFT, '*', '9', '@', '9', /* exit */ 2269 MOD_MASK_SHIFT, '*', '0', '@', '0', /* find */ 2270 MOD_MASK_SHIFT, '#', '1', '%', '1', /* help */ 2271 MOD_MASK_SHIFT, '#', '2', 'k', 'h', /* home */ 2272 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_HOME, 'k', 'h', /* home */ 2273 MOD_MASK_SHIFT, '#', '3', 'k', 'I', /* insert */ 2274 MOD_MASK_SHIFT, '#', '4', 'k', 'l', /* left arrow */ 2275 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_LEFT, 'k', 'l', /* left arrow */ 2276 MOD_MASK_SHIFT, '%', 'a', '%', '3', /* message */ 2277 MOD_MASK_SHIFT, '%', 'b', '%', '4', /* move */ 2278 MOD_MASK_SHIFT, '%', 'c', '%', '5', /* next */ 2279 MOD_MASK_SHIFT, '%', 'd', '%', '7', /* options */ 2280 MOD_MASK_SHIFT, '%', 'e', '%', '8', /* previous */ 2281 MOD_MASK_SHIFT, '%', 'f', '%', '9', /* print */ 2282 MOD_MASK_SHIFT, '%', 'g', '%', '0', /* redo */ 2283 MOD_MASK_SHIFT, '%', 'h', '&', '3', /* replace */ 2284 MOD_MASK_SHIFT, '%', 'i', 'k', 'r', /* right arr. */ 2285 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_RIGHT, 'k', 'r', /* right arr. */ 2286 MOD_MASK_SHIFT, '%', 'j', '&', '5', /* resume */ 2287 MOD_MASK_SHIFT, '!', '1', '&', '6', /* save */ 2288 MOD_MASK_SHIFT, '!', '2', '&', '7', /* suspend */ 2289 MOD_MASK_SHIFT, '!', '3', '&', '8', /* undo */ 2290 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_UP, 'k', 'u', /* up arrow */ 2291 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_DOWN, 'k', 'd', /* down arrow */ 2292 2293 /* vt100 F1 */ 2294 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF1, KS_EXTRA, (int)KE_XF1, 2295 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF2, KS_EXTRA, (int)KE_XF2, 2296 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF3, KS_EXTRA, (int)KE_XF3, 2297 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF4, KS_EXTRA, (int)KE_XF4, 2298 2299 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F1, 'k', '1', /* F1 */ 2300 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F2, 'k', '2', 2301 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F3, 'k', '3', 2302 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F4, 'k', '4', 2303 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F5, 'k', '5', 2304 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F6, 'k', '6', 2305 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F7, 'k', '7', 2306 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F8, 'k', '8', 2307 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F9, 'k', '9', 2308 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F10, 'k', ';', /* F10 */ 2309 2310 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F11, 'F', '1', 2311 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F12, 'F', '2', 2312 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F13, 'F', '3', 2313 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F14, 'F', '4', 2314 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F15, 'F', '5', 2315 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F16, 'F', '6', 2316 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F17, 'F', '7', 2317 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F18, 'F', '8', 2318 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F19, 'F', '9', 2319 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F20, 'F', 'A', 2320 2321 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F21, 'F', 'B', 2322 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F22, 'F', 'C', 2323 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F23, 'F', 'D', 2324 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F24, 'F', 'E', 2325 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F25, 'F', 'F', 2326 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F26, 'F', 'G', 2327 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F27, 'F', 'H', 2328 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F28, 'F', 'I', 2329 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F29, 'F', 'J', 2330 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F30, 'F', 'K', 2331 2332 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F31, 'F', 'L', 2333 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F32, 'F', 'M', 2334 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F33, 'F', 'N', 2335 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F34, 'F', 'O', 2336 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F35, 'F', 'P', 2337 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F36, 'F', 'Q', 2338 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F37, 'F', 'R', 2339 2340 /* TAB pseudo code*/ 2341 MOD_MASK_SHIFT, 'k', 'B', KS_EXTRA, (int)KE_TAB, 2342 2343 NUL 2344 }; 2345 2346 static struct key_name_entry 2347 { 2348 int key; /* Special key code or ascii value */ 2349 char_u *name; /* Name of key */ 2350 } key_names_table[] = 2351 { 2352 {' ', (char_u *)"Space"}, 2353 {TAB, (char_u *)"Tab"}, 2354 {K_TAB, (char_u *)"Tab"}, 2355 {NL, (char_u *)"NL"}, 2356 {NL, (char_u *)"NewLine"}, /* Alternative name */ 2357 {NL, (char_u *)"LineFeed"}, /* Alternative name */ 2358 {NL, (char_u *)"LF"}, /* Alternative name */ 2359 {CAR, (char_u *)"CR"}, 2360 {CAR, (char_u *)"Return"}, /* Alternative name */ 2361 {CAR, (char_u *)"Enter"}, /* Alternative name */ 2362 {K_BS, (char_u *)"BS"}, 2363 {K_BS, (char_u *)"BackSpace"}, /* Alternative name */ 2364 {ESC, (char_u *)"Esc"}, 2365 {CSI, (char_u *)"CSI"}, 2366 {K_CSI, (char_u *)"xCSI"}, 2367 {'|', (char_u *)"Bar"}, 2368 {'\\', (char_u *)"Bslash"}, 2369 {K_DEL, (char_u *)"Del"}, 2370 {K_DEL, (char_u *)"Delete"}, /* Alternative name */ 2371 {K_KDEL, (char_u *)"kDel"}, 2372 {K_UP, (char_u *)"Up"}, 2373 {K_DOWN, (char_u *)"Down"}, 2374 {K_LEFT, (char_u *)"Left"}, 2375 {K_RIGHT, (char_u *)"Right"}, 2376 {K_XUP, (char_u *)"xUp"}, 2377 {K_XDOWN, (char_u *)"xDown"}, 2378 {K_XLEFT, (char_u *)"xLeft"}, 2379 {K_XRIGHT, (char_u *)"xRight"}, 2380 {K_PS, (char_u *)"PasteStart"}, 2381 {K_PE, (char_u *)"PasteEnd"}, 2382 2383 {K_F1, (char_u *)"F1"}, 2384 {K_F2, (char_u *)"F2"}, 2385 {K_F3, (char_u *)"F3"}, 2386 {K_F4, (char_u *)"F4"}, 2387 {K_F5, (char_u *)"F5"}, 2388 {K_F6, (char_u *)"F6"}, 2389 {K_F7, (char_u *)"F7"}, 2390 {K_F8, (char_u *)"F8"}, 2391 {K_F9, (char_u *)"F9"}, 2392 {K_F10, (char_u *)"F10"}, 2393 2394 {K_F11, (char_u *)"F11"}, 2395 {K_F12, (char_u *)"F12"}, 2396 {K_F13, (char_u *)"F13"}, 2397 {K_F14, (char_u *)"F14"}, 2398 {K_F15, (char_u *)"F15"}, 2399 {K_F16, (char_u *)"F16"}, 2400 {K_F17, (char_u *)"F17"}, 2401 {K_F18, (char_u *)"F18"}, 2402 {K_F19, (char_u *)"F19"}, 2403 {K_F20, (char_u *)"F20"}, 2404 2405 {K_F21, (char_u *)"F21"}, 2406 {K_F22, (char_u *)"F22"}, 2407 {K_F23, (char_u *)"F23"}, 2408 {K_F24, (char_u *)"F24"}, 2409 {K_F25, (char_u *)"F25"}, 2410 {K_F26, (char_u *)"F26"}, 2411 {K_F27, (char_u *)"F27"}, 2412 {K_F28, (char_u *)"F28"}, 2413 {K_F29, (char_u *)"F29"}, 2414 {K_F30, (char_u *)"F30"}, 2415 2416 {K_F31, (char_u *)"F31"}, 2417 {K_F32, (char_u *)"F32"}, 2418 {K_F33, (char_u *)"F33"}, 2419 {K_F34, (char_u *)"F34"}, 2420 {K_F35, (char_u *)"F35"}, 2421 {K_F36, (char_u *)"F36"}, 2422 {K_F37, (char_u *)"F37"}, 2423 2424 {K_XF1, (char_u *)"xF1"}, 2425 {K_XF2, (char_u *)"xF2"}, 2426 {K_XF3, (char_u *)"xF3"}, 2427 {K_XF4, (char_u *)"xF4"}, 2428 2429 {K_HELP, (char_u *)"Help"}, 2430 {K_UNDO, (char_u *)"Undo"}, 2431 {K_INS, (char_u *)"Insert"}, 2432 {K_INS, (char_u *)"Ins"}, /* Alternative name */ 2433 {K_KINS, (char_u *)"kInsert"}, 2434 {K_HOME, (char_u *)"Home"}, 2435 {K_KHOME, (char_u *)"kHome"}, 2436 {K_XHOME, (char_u *)"xHome"}, 2437 {K_ZHOME, (char_u *)"zHome"}, 2438 {K_END, (char_u *)"End"}, 2439 {K_KEND, (char_u *)"kEnd"}, 2440 {K_XEND, (char_u *)"xEnd"}, 2441 {K_ZEND, (char_u *)"zEnd"}, 2442 {K_PAGEUP, (char_u *)"PageUp"}, 2443 {K_PAGEDOWN, (char_u *)"PageDown"}, 2444 {K_KPAGEUP, (char_u *)"kPageUp"}, 2445 {K_KPAGEDOWN, (char_u *)"kPageDown"}, 2446 2447 {K_KPLUS, (char_u *)"kPlus"}, 2448 {K_KMINUS, (char_u *)"kMinus"}, 2449 {K_KDIVIDE, (char_u *)"kDivide"}, 2450 {K_KMULTIPLY, (char_u *)"kMultiply"}, 2451 {K_KENTER, (char_u *)"kEnter"}, 2452 {K_KPOINT, (char_u *)"kPoint"}, 2453 2454 {K_K0, (char_u *)"k0"}, 2455 {K_K1, (char_u *)"k1"}, 2456 {K_K2, (char_u *)"k2"}, 2457 {K_K3, (char_u *)"k3"}, 2458 {K_K4, (char_u *)"k4"}, 2459 {K_K5, (char_u *)"k5"}, 2460 {K_K6, (char_u *)"k6"}, 2461 {K_K7, (char_u *)"k7"}, 2462 {K_K8, (char_u *)"k8"}, 2463 {K_K9, (char_u *)"k9"}, 2464 2465 {'<', (char_u *)"lt"}, 2466 2467 {K_MOUSE, (char_u *)"Mouse"}, 2468 #ifdef FEAT_MOUSE_NET 2469 {K_NETTERM_MOUSE, (char_u *)"NetMouse"}, 2470 #endif 2471 #ifdef FEAT_MOUSE_DEC 2472 {K_DEC_MOUSE, (char_u *)"DecMouse"}, 2473 #endif 2474 #ifdef FEAT_MOUSE_JSB 2475 {K_JSBTERM_MOUSE, (char_u *)"JsbMouse"}, 2476 #endif 2477 #ifdef FEAT_MOUSE_PTERM 2478 {K_PTERM_MOUSE, (char_u *)"PtermMouse"}, 2479 #endif 2480 #ifdef FEAT_MOUSE_URXVT 2481 {K_URXVT_MOUSE, (char_u *)"UrxvtMouse"}, 2482 #endif 2483 #ifdef FEAT_MOUSE_SGR 2484 {K_SGR_MOUSE, (char_u *)"SgrMouse"}, 2485 {K_SGR_MOUSERELEASE, (char_u *)"SgrMouseRelelase"}, 2486 #endif 2487 {K_LEFTMOUSE, (char_u *)"LeftMouse"}, 2488 {K_LEFTMOUSE_NM, (char_u *)"LeftMouseNM"}, 2489 {K_LEFTDRAG, (char_u *)"LeftDrag"}, 2490 {K_LEFTRELEASE, (char_u *)"LeftRelease"}, 2491 {K_LEFTRELEASE_NM, (char_u *)"LeftReleaseNM"}, 2492 {K_MOUSEMOVE, (char_u *)"MouseMove"}, 2493 {K_MIDDLEMOUSE, (char_u *)"MiddleMouse"}, 2494 {K_MIDDLEDRAG, (char_u *)"MiddleDrag"}, 2495 {K_MIDDLERELEASE, (char_u *)"MiddleRelease"}, 2496 {K_RIGHTMOUSE, (char_u *)"RightMouse"}, 2497 {K_RIGHTDRAG, (char_u *)"RightDrag"}, 2498 {K_RIGHTRELEASE, (char_u *)"RightRelease"}, 2499 {K_MOUSEDOWN, (char_u *)"ScrollWheelUp"}, 2500 {K_MOUSEUP, (char_u *)"ScrollWheelDown"}, 2501 {K_MOUSELEFT, (char_u *)"ScrollWheelRight"}, 2502 {K_MOUSERIGHT, (char_u *)"ScrollWheelLeft"}, 2503 {K_MOUSEDOWN, (char_u *)"MouseDown"}, /* OBSOLETE: Use */ 2504 {K_MOUSEUP, (char_u *)"MouseUp"}, /* ScrollWheelXXX instead */ 2505 {K_X1MOUSE, (char_u *)"X1Mouse"}, 2506 {K_X1DRAG, (char_u *)"X1Drag"}, 2507 {K_X1RELEASE, (char_u *)"X1Release"}, 2508 {K_X2MOUSE, (char_u *)"X2Mouse"}, 2509 {K_X2DRAG, (char_u *)"X2Drag"}, 2510 {K_X2RELEASE, (char_u *)"X2Release"}, 2511 {K_DROP, (char_u *)"Drop"}, 2512 {K_ZERO, (char_u *)"Nul"}, 2513 #ifdef FEAT_EVAL 2514 {K_SNR, (char_u *)"SNR"}, 2515 #endif 2516 {K_PLUG, (char_u *)"Plug"}, 2517 {K_CURSORHOLD, (char_u *)"CursorHold"}, 2518 {0, NULL} 2519 /* NOTE: When adding a long name update MAX_KEY_NAME_LEN. */ 2520 }; 2521 2522 #define KEY_NAMES_TABLE_LEN (sizeof(key_names_table) / sizeof(struct key_name_entry)) 2523 2524 #ifdef FEAT_MOUSE 2525 static struct mousetable 2526 { 2527 int pseudo_code; /* Code for pseudo mouse event */ 2528 int button; /* Which mouse button is it? */ 2529 int is_click; /* Is it a mouse button click event? */ 2530 int is_drag; /* Is it a mouse drag event? */ 2531 } mouse_table[] = 2532 { 2533 {(int)KE_LEFTMOUSE, MOUSE_LEFT, TRUE, FALSE}, 2534 #ifdef FEAT_GUI 2535 {(int)KE_LEFTMOUSE_NM, MOUSE_LEFT, TRUE, FALSE}, 2536 #endif 2537 {(int)KE_LEFTDRAG, MOUSE_LEFT, FALSE, TRUE}, 2538 {(int)KE_LEFTRELEASE, MOUSE_LEFT, FALSE, FALSE}, 2539 #ifdef FEAT_GUI 2540 {(int)KE_LEFTRELEASE_NM, MOUSE_LEFT, FALSE, FALSE}, 2541 #endif 2542 {(int)KE_MIDDLEMOUSE, MOUSE_MIDDLE, TRUE, FALSE}, 2543 {(int)KE_MIDDLEDRAG, MOUSE_MIDDLE, FALSE, TRUE}, 2544 {(int)KE_MIDDLERELEASE, MOUSE_MIDDLE, FALSE, FALSE}, 2545 {(int)KE_RIGHTMOUSE, MOUSE_RIGHT, TRUE, FALSE}, 2546 {(int)KE_RIGHTDRAG, MOUSE_RIGHT, FALSE, TRUE}, 2547 {(int)KE_RIGHTRELEASE, MOUSE_RIGHT, FALSE, FALSE}, 2548 {(int)KE_X1MOUSE, MOUSE_X1, TRUE, FALSE}, 2549 {(int)KE_X1DRAG, MOUSE_X1, FALSE, TRUE}, 2550 {(int)KE_X1RELEASE, MOUSE_X1, FALSE, FALSE}, 2551 {(int)KE_X2MOUSE, MOUSE_X2, TRUE, FALSE}, 2552 {(int)KE_X2DRAG, MOUSE_X2, FALSE, TRUE}, 2553 {(int)KE_X2RELEASE, MOUSE_X2, FALSE, FALSE}, 2554 /* DRAG without CLICK */ 2555 {(int)KE_MOUSEMOVE, MOUSE_RELEASE, FALSE, TRUE}, 2556 /* RELEASE without CLICK */ 2557 {(int)KE_IGNORE, MOUSE_RELEASE, FALSE, FALSE}, 2558 {0, 0, 0, 0}, 2559 }; 2560 #endif /* FEAT_MOUSE */ 2561 2562 /* 2563 * Return the modifier mask bit (MOD_MASK_*) which corresponds to the given 2564 * modifier name ('S' for Shift, 'C' for Ctrl etc). 2565 */ 2566 int 2567 name_to_mod_mask(int c) 2568 { 2569 int i; 2570 2571 c = TOUPPER_ASC(c); 2572 for (i = 0; mod_mask_table[i].mod_mask != 0; i++) 2573 if (c == mod_mask_table[i].name) 2574 return mod_mask_table[i].mod_flag; 2575 return 0; 2576 } 2577 2578 /* 2579 * Check if if there is a special key code for "key" that includes the 2580 * modifiers specified. 2581 */ 2582 int 2583 simplify_key(int key, int *modifiers) 2584 { 2585 int i; 2586 int key0; 2587 int key1; 2588 2589 if (*modifiers & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT)) 2590 { 2591 /* TAB is a special case */ 2592 if (key == TAB && (*modifiers & MOD_MASK_SHIFT)) 2593 { 2594 *modifiers &= ~MOD_MASK_SHIFT; 2595 return K_S_TAB; 2596 } 2597 key0 = KEY2TERMCAP0(key); 2598 key1 = KEY2TERMCAP1(key); 2599 for (i = 0; modifier_keys_table[i] != NUL; i += MOD_KEYS_ENTRY_SIZE) 2600 if (key0 == modifier_keys_table[i + 3] 2601 && key1 == modifier_keys_table[i + 4] 2602 && (*modifiers & modifier_keys_table[i])) 2603 { 2604 *modifiers &= ~modifier_keys_table[i]; 2605 return TERMCAP2KEY(modifier_keys_table[i + 1], 2606 modifier_keys_table[i + 2]); 2607 } 2608 } 2609 return key; 2610 } 2611 2612 /* 2613 * Change <xHome> to <Home>, <xUp> to <Up>, etc. 2614 */ 2615 int 2616 handle_x_keys(int key) 2617 { 2618 switch (key) 2619 { 2620 case K_XUP: return K_UP; 2621 case K_XDOWN: return K_DOWN; 2622 case K_XLEFT: return K_LEFT; 2623 case K_XRIGHT: return K_RIGHT; 2624 case K_XHOME: return K_HOME; 2625 case K_ZHOME: return K_HOME; 2626 case K_XEND: return K_END; 2627 case K_ZEND: return K_END; 2628 case K_XF1: return K_F1; 2629 case K_XF2: return K_F2; 2630 case K_XF3: return K_F3; 2631 case K_XF4: return K_F4; 2632 case K_S_XF1: return K_S_F1; 2633 case K_S_XF2: return K_S_F2; 2634 case K_S_XF3: return K_S_F3; 2635 case K_S_XF4: return K_S_F4; 2636 } 2637 return key; 2638 } 2639 2640 /* 2641 * Return a string which contains the name of the given key when the given 2642 * modifiers are down. 2643 */ 2644 char_u * 2645 get_special_key_name(int c, int modifiers) 2646 { 2647 static char_u string[MAX_KEY_NAME_LEN + 1]; 2648 2649 int i, idx; 2650 int table_idx; 2651 char_u *s; 2652 2653 string[0] = '<'; 2654 idx = 1; 2655 2656 /* Key that stands for a normal character. */ 2657 if (IS_SPECIAL(c) && KEY2TERMCAP0(c) == KS_KEY) 2658 c = KEY2TERMCAP1(c); 2659 2660 /* 2661 * Translate shifted special keys into unshifted keys and set modifier. 2662 * Same for CTRL and ALT modifiers. 2663 */ 2664 if (IS_SPECIAL(c)) 2665 { 2666 for (i = 0; modifier_keys_table[i] != 0; i += MOD_KEYS_ENTRY_SIZE) 2667 if ( KEY2TERMCAP0(c) == (int)modifier_keys_table[i + 1] 2668 && (int)KEY2TERMCAP1(c) == (int)modifier_keys_table[i + 2]) 2669 { 2670 modifiers |= modifier_keys_table[i]; 2671 c = TERMCAP2KEY(modifier_keys_table[i + 3], 2672 modifier_keys_table[i + 4]); 2673 break; 2674 } 2675 } 2676 2677 /* try to find the key in the special key table */ 2678 table_idx = find_special_key_in_table(c); 2679 2680 /* 2681 * When not a known special key, and not a printable character, try to 2682 * extract modifiers. 2683 */ 2684 if (c > 0 2685 #ifdef FEAT_MBYTE 2686 && (*mb_char2len)(c) == 1 2687 #endif 2688 ) 2689 { 2690 if (table_idx < 0 2691 && (!vim_isprintc(c) || (c & 0x7f) == ' ') 2692 && (c & 0x80)) 2693 { 2694 c &= 0x7f; 2695 modifiers |= MOD_MASK_ALT; 2696 /* try again, to find the un-alted key in the special key table */ 2697 table_idx = find_special_key_in_table(c); 2698 } 2699 if (table_idx < 0 && !vim_isprintc(c) && c < ' ') 2700 { 2701 #ifdef EBCDIC 2702 c = CtrlChar(c); 2703 #else 2704 c += '@'; 2705 #endif 2706 modifiers |= MOD_MASK_CTRL; 2707 } 2708 } 2709 2710 /* translate the modifier into a string */ 2711 for (i = 0; mod_mask_table[i].name != 'A'; i++) 2712 if ((modifiers & mod_mask_table[i].mod_mask) 2713 == mod_mask_table[i].mod_flag) 2714 { 2715 string[idx++] = mod_mask_table[i].name; 2716 string[idx++] = (char_u)'-'; 2717 } 2718 2719 if (table_idx < 0) /* unknown special key, may output t_xx */ 2720 { 2721 if (IS_SPECIAL(c)) 2722 { 2723 string[idx++] = 't'; 2724 string[idx++] = '_'; 2725 string[idx++] = KEY2TERMCAP0(c); 2726 string[idx++] = KEY2TERMCAP1(c); 2727 } 2728 /* Not a special key, only modifiers, output directly */ 2729 else 2730 { 2731 #ifdef FEAT_MBYTE 2732 if (has_mbyte && (*mb_char2len)(c) > 1) 2733 idx += (*mb_char2bytes)(c, string + idx); 2734 else 2735 #endif 2736 if (vim_isprintc(c)) 2737 string[idx++] = c; 2738 else 2739 { 2740 s = transchar(c); 2741 while (*s) 2742 string[idx++] = *s++; 2743 } 2744 } 2745 } 2746 else /* use name of special key */ 2747 { 2748 size_t len = STRLEN(key_names_table[table_idx].name); 2749 2750 if (len + idx + 2 <= MAX_KEY_NAME_LEN) 2751 { 2752 STRCPY(string + idx, key_names_table[table_idx].name); 2753 idx += (int)len; 2754 } 2755 } 2756 string[idx++] = '>'; 2757 string[idx] = NUL; 2758 return string; 2759 } 2760 2761 /* 2762 * Try translating a <> name at (*srcp)[] to dst[]. 2763 * Return the number of characters added to dst[], zero for no match. 2764 * If there is a match, srcp is advanced to after the <> name. 2765 * dst[] must be big enough to hold the result (up to six characters)! 2766 */ 2767 int 2768 trans_special( 2769 char_u **srcp, 2770 char_u *dst, 2771 int keycode, /* prefer key code, e.g. K_DEL instead of DEL */ 2772 int in_string) /* TRUE when inside a double quoted string */ 2773 { 2774 int modifiers = 0; 2775 int key; 2776 int dlen = 0; 2777 2778 key = find_special_key(srcp, &modifiers, keycode, FALSE, in_string); 2779 if (key == 0) 2780 return 0; 2781 2782 /* Put the appropriate modifier in a string */ 2783 if (modifiers != 0) 2784 { 2785 dst[dlen++] = K_SPECIAL; 2786 dst[dlen++] = KS_MODIFIER; 2787 dst[dlen++] = modifiers; 2788 } 2789 2790 if (IS_SPECIAL(key)) 2791 { 2792 dst[dlen++] = K_SPECIAL; 2793 dst[dlen++] = KEY2TERMCAP0(key); 2794 dst[dlen++] = KEY2TERMCAP1(key); 2795 } 2796 #ifdef FEAT_MBYTE 2797 else if (has_mbyte && !keycode) 2798 dlen += (*mb_char2bytes)(key, dst + dlen); 2799 #endif 2800 else if (keycode) 2801 dlen = (int)(add_char2buf(key, dst + dlen) - dst); 2802 else 2803 dst[dlen++] = key; 2804 2805 return dlen; 2806 } 2807 2808 /* 2809 * Try translating a <> name at (*srcp)[], return the key and modifiers. 2810 * srcp is advanced to after the <> name. 2811 * returns 0 if there is no match. 2812 */ 2813 int 2814 find_special_key( 2815 char_u **srcp, 2816 int *modp, 2817 int keycode, /* prefer key code, e.g. K_DEL instead of DEL */ 2818 int keep_x_key, /* don't translate xHome to Home key */ 2819 int in_string) /* TRUE in string, double quote is escaped */ 2820 { 2821 char_u *last_dash; 2822 char_u *end_of_name; 2823 char_u *src; 2824 char_u *bp; 2825 int modifiers; 2826 int bit; 2827 int key; 2828 uvarnumber_T n; 2829 int l; 2830 2831 src = *srcp; 2832 if (src[0] != '<') 2833 return 0; 2834 2835 /* Find end of modifier list */ 2836 last_dash = src; 2837 for (bp = src + 1; *bp == '-' || vim_isIDc(*bp); bp++) 2838 { 2839 if (*bp == '-') 2840 { 2841 last_dash = bp; 2842 if (bp[1] != NUL) 2843 { 2844 #ifdef FEAT_MBYTE 2845 if (has_mbyte) 2846 l = mb_ptr2len(bp + 1); 2847 else 2848 #endif 2849 l = 1; 2850 /* Anything accepted, like <C-?>. 2851 * <C-"> or <M-"> are not special in strings as " is 2852 * the string delimiter. With a backslash it works: <M-\"> */ 2853 if (!(in_string && bp[1] == '"') && bp[2] == '>') 2854 bp += l; 2855 else if (in_string && bp[1] == '\\' && bp[2] == '"' 2856 && bp[3] == '>') 2857 bp += 2; 2858 } 2859 } 2860 if (bp[0] == 't' && bp[1] == '_' && bp[2] && bp[3]) 2861 bp += 3; /* skip t_xx, xx may be '-' or '>' */ 2862 else if (STRNICMP(bp, "char-", 5) == 0) 2863 { 2864 vim_str2nr(bp + 5, NULL, &l, STR2NR_ALL, NULL, NULL, 0); 2865 bp += l + 5; 2866 break; 2867 } 2868 } 2869 2870 if (*bp == '>') /* found matching '>' */ 2871 { 2872 end_of_name = bp + 1; 2873 2874 /* Which modifiers are given? */ 2875 modifiers = 0x0; 2876 for (bp = src + 1; bp < last_dash; bp++) 2877 { 2878 if (*bp != '-') 2879 { 2880 bit = name_to_mod_mask(*bp); 2881 if (bit == 0x0) 2882 break; /* Illegal modifier name */ 2883 modifiers |= bit; 2884 } 2885 } 2886 2887 /* 2888 * Legal modifier name. 2889 */ 2890 if (bp >= last_dash) 2891 { 2892 if (STRNICMP(last_dash + 1, "char-", 5) == 0 2893 && VIM_ISDIGIT(last_dash[6])) 2894 { 2895 /* <Char-123> or <Char-033> or <Char-0x33> */ 2896 vim_str2nr(last_dash + 6, NULL, NULL, STR2NR_ALL, NULL, &n, 0); 2897 key = (int)n; 2898 } 2899 else 2900 { 2901 int off = 1; 2902 2903 /* Modifier with single letter, or special key name. */ 2904 if (in_string && last_dash[1] == '\\' && last_dash[2] == '"') 2905 off = 2; 2906 #ifdef FEAT_MBYTE 2907 if (has_mbyte) 2908 l = mb_ptr2len(last_dash + off); 2909 else 2910 #endif 2911 l = 1; 2912 if (modifiers != 0 && last_dash[l + off] == '>') 2913 key = PTR2CHAR(last_dash + off); 2914 else 2915 { 2916 key = get_special_key_code(last_dash + off); 2917 if (!keep_x_key) 2918 key = handle_x_keys(key); 2919 } 2920 } 2921 2922 /* 2923 * get_special_key_code() may return NUL for invalid 2924 * special key name. 2925 */ 2926 if (key != NUL) 2927 { 2928 /* 2929 * Only use a modifier when there is no special key code that 2930 * includes the modifier. 2931 */ 2932 key = simplify_key(key, &modifiers); 2933 2934 if (!keycode) 2935 { 2936 /* don't want keycode, use single byte code */ 2937 if (key == K_BS) 2938 key = BS; 2939 else if (key == K_DEL || key == K_KDEL) 2940 key = DEL; 2941 } 2942 2943 /* 2944 * Normal Key with modifier: Try to make a single byte code. 2945 */ 2946 if (!IS_SPECIAL(key)) 2947 key = extract_modifiers(key, &modifiers); 2948 2949 *modp = modifiers; 2950 *srcp = end_of_name; 2951 return key; 2952 } 2953 } 2954 } 2955 return 0; 2956 } 2957 2958 /* 2959 * Try to include modifiers in the key. 2960 * Changes "Shift-a" to 'A', "Alt-A" to 0xc0, etc. 2961 */ 2962 int 2963 extract_modifiers(int key, int *modp) 2964 { 2965 int modifiers = *modp; 2966 2967 #ifdef MACOS_X 2968 /* Command-key really special, no fancynest */ 2969 if (!(modifiers & MOD_MASK_CMD)) 2970 #endif 2971 if ((modifiers & MOD_MASK_SHIFT) && ASCII_ISALPHA(key)) 2972 { 2973 key = TOUPPER_ASC(key); 2974 modifiers &= ~MOD_MASK_SHIFT; 2975 } 2976 if ((modifiers & MOD_MASK_CTRL) 2977 #ifdef EBCDIC 2978 /* * TODO: EBCDIC Better use: 2979 * && (Ctrl_chr(key) || key == '?') 2980 * ??? */ 2981 && strchr("?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_", key) 2982 != NULL 2983 #else 2984 && ((key >= '?' && key <= '_') || ASCII_ISALPHA(key)) 2985 #endif 2986 ) 2987 { 2988 key = Ctrl_chr(key); 2989 modifiers &= ~MOD_MASK_CTRL; 2990 /* <C-@> is <Nul> */ 2991 if (key == 0) 2992 key = K_ZERO; 2993 } 2994 #ifdef MACOS_X 2995 /* Command-key really special, no fancynest */ 2996 if (!(modifiers & MOD_MASK_CMD)) 2997 #endif 2998 if ((modifiers & MOD_MASK_ALT) && key < 0x80 2999 #ifdef FEAT_MBYTE 3000 && !enc_dbcs /* avoid creating a lead byte */ 3001 #endif 3002 ) 3003 { 3004 key |= 0x80; 3005 modifiers &= ~MOD_MASK_ALT; /* remove the META modifier */ 3006 } 3007 3008 *modp = modifiers; 3009 return key; 3010 } 3011 3012 /* 3013 * Try to find key "c" in the special key table. 3014 * Return the index when found, -1 when not found. 3015 */ 3016 int 3017 find_special_key_in_table(int c) 3018 { 3019 int i; 3020 3021 for (i = 0; key_names_table[i].name != NULL; i++) 3022 if (c == key_names_table[i].key) 3023 break; 3024 if (key_names_table[i].name == NULL) 3025 i = -1; 3026 return i; 3027 } 3028 3029 /* 3030 * Find the special key with the given name (the given string does not have to 3031 * end with NUL, the name is assumed to end before the first non-idchar). 3032 * If the name starts with "t_" the next two characters are interpreted as a 3033 * termcap name. 3034 * Return the key code, or 0 if not found. 3035 */ 3036 int 3037 get_special_key_code(char_u *name) 3038 { 3039 char_u *table_name; 3040 char_u string[3]; 3041 int i, j; 3042 3043 /* 3044 * If it's <t_xx> we get the code for xx from the termcap 3045 */ 3046 if (name[0] == 't' && name[1] == '_' && name[2] != NUL && name[3] != NUL) 3047 { 3048 string[0] = name[2]; 3049 string[1] = name[3]; 3050 string[2] = NUL; 3051 if (add_termcap_entry(string, FALSE) == OK) 3052 return TERMCAP2KEY(name[2], name[3]); 3053 } 3054 else 3055 for (i = 0; key_names_table[i].name != NULL; i++) 3056 { 3057 table_name = key_names_table[i].name; 3058 for (j = 0; vim_isIDc(name[j]) && table_name[j] != NUL; j++) 3059 if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j])) 3060 break; 3061 if (!vim_isIDc(name[j]) && table_name[j] == NUL) 3062 return key_names_table[i].key; 3063 } 3064 return 0; 3065 } 3066 3067 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 3068 char_u * 3069 get_key_name(int i) 3070 { 3071 if (i >= (int)KEY_NAMES_TABLE_LEN) 3072 return NULL; 3073 return key_names_table[i].name; 3074 } 3075 #endif 3076 3077 #if defined(FEAT_MOUSE) || defined(PROTO) 3078 /* 3079 * Look up the given mouse code to return the relevant information in the other 3080 * arguments. Return which button is down or was released. 3081 */ 3082 int 3083 get_mouse_button(int code, int *is_click, int *is_drag) 3084 { 3085 int i; 3086 3087 for (i = 0; mouse_table[i].pseudo_code; i++) 3088 if (code == mouse_table[i].pseudo_code) 3089 { 3090 *is_click = mouse_table[i].is_click; 3091 *is_drag = mouse_table[i].is_drag; 3092 return mouse_table[i].button; 3093 } 3094 return 0; /* Shouldn't get here */ 3095 } 3096 3097 /* 3098 * Return the appropriate pseudo mouse event token (KE_LEFTMOUSE etc) based on 3099 * the given information about which mouse button is down, and whether the 3100 * mouse was clicked, dragged or released. 3101 */ 3102 int 3103 get_pseudo_mouse_code( 3104 int button, /* eg MOUSE_LEFT */ 3105 int is_click, 3106 int is_drag) 3107 { 3108 int i; 3109 3110 for (i = 0; mouse_table[i].pseudo_code; i++) 3111 if (button == mouse_table[i].button 3112 && is_click == mouse_table[i].is_click 3113 && is_drag == mouse_table[i].is_drag) 3114 { 3115 #ifdef FEAT_GUI 3116 /* Trick: a non mappable left click and release has mouse_col -1 3117 * or added MOUSE_COLOFF. Used for 'mousefocus' in 3118 * gui_mouse_moved() */ 3119 if (mouse_col < 0 || mouse_col > MOUSE_COLOFF) 3120 { 3121 if (mouse_col < 0) 3122 mouse_col = 0; 3123 else 3124 mouse_col -= MOUSE_COLOFF; 3125 if (mouse_table[i].pseudo_code == (int)KE_LEFTMOUSE) 3126 return (int)KE_LEFTMOUSE_NM; 3127 if (mouse_table[i].pseudo_code == (int)KE_LEFTRELEASE) 3128 return (int)KE_LEFTRELEASE_NM; 3129 } 3130 #endif 3131 return mouse_table[i].pseudo_code; 3132 } 3133 return (int)KE_IGNORE; /* not recognized, ignore it */ 3134 } 3135 #endif /* FEAT_MOUSE */ 3136 3137 /* 3138 * Return the current end-of-line type: EOL_DOS, EOL_UNIX or EOL_MAC. 3139 */ 3140 int 3141 get_fileformat(buf_T *buf) 3142 { 3143 int c = *buf->b_p_ff; 3144 3145 if (buf->b_p_bin || c == 'u') 3146 return EOL_UNIX; 3147 if (c == 'm') 3148 return EOL_MAC; 3149 return EOL_DOS; 3150 } 3151 3152 /* 3153 * Like get_fileformat(), but override 'fileformat' with "p" for "++opt=val" 3154 * argument. 3155 */ 3156 int 3157 get_fileformat_force( 3158 buf_T *buf, 3159 exarg_T *eap) /* can be NULL! */ 3160 { 3161 int c; 3162 3163 if (eap != NULL && eap->force_ff != 0) 3164 c = eap->force_ff; 3165 else 3166 { 3167 if ((eap != NULL && eap->force_bin != 0) 3168 ? (eap->force_bin == FORCE_BIN) : buf->b_p_bin) 3169 return EOL_UNIX; 3170 c = *buf->b_p_ff; 3171 } 3172 if (c == 'u') 3173 return EOL_UNIX; 3174 if (c == 'm') 3175 return EOL_MAC; 3176 return EOL_DOS; 3177 } 3178 3179 /* 3180 * Set the current end-of-line type to EOL_DOS, EOL_UNIX or EOL_MAC. 3181 * Sets both 'textmode' and 'fileformat'. 3182 * Note: Does _not_ set global value of 'textmode'! 3183 */ 3184 void 3185 set_fileformat( 3186 int t, 3187 int opt_flags) /* OPT_LOCAL and/or OPT_GLOBAL */ 3188 { 3189 char *p = NULL; 3190 3191 switch (t) 3192 { 3193 case EOL_DOS: 3194 p = FF_DOS; 3195 curbuf->b_p_tx = TRUE; 3196 break; 3197 case EOL_UNIX: 3198 p = FF_UNIX; 3199 curbuf->b_p_tx = FALSE; 3200 break; 3201 case EOL_MAC: 3202 p = FF_MAC; 3203 curbuf->b_p_tx = FALSE; 3204 break; 3205 } 3206 if (p != NULL) 3207 set_string_option_direct((char_u *)"ff", -1, (char_u *)p, 3208 OPT_FREE | opt_flags, 0); 3209 3210 /* This may cause the buffer to become (un)modified. */ 3211 check_status(curbuf); 3212 redraw_tabline = TRUE; 3213 #ifdef FEAT_TITLE 3214 need_maketitle = TRUE; /* set window title later */ 3215 #endif 3216 } 3217 3218 /* 3219 * Return the default fileformat from 'fileformats'. 3220 */ 3221 int 3222 default_fileformat(void) 3223 { 3224 switch (*p_ffs) 3225 { 3226 case 'm': return EOL_MAC; 3227 case 'd': return EOL_DOS; 3228 } 3229 return EOL_UNIX; 3230 } 3231 3232 /* 3233 * Call shell. Calls mch_call_shell, with 'shellxquote' added. 3234 */ 3235 int 3236 call_shell(char_u *cmd, int opt) 3237 { 3238 char_u *ncmd; 3239 int retval; 3240 #ifdef FEAT_PROFILE 3241 proftime_T wait_time; 3242 #endif 3243 3244 if (p_verbose > 3) 3245 { 3246 verbose_enter(); 3247 smsg((char_u *)_("Calling shell to execute: \"%s\""), 3248 cmd == NULL ? p_sh : cmd); 3249 out_char('\n'); 3250 cursor_on(); 3251 verbose_leave(); 3252 } 3253 3254 #ifdef FEAT_PROFILE 3255 if (do_profiling == PROF_YES) 3256 prof_child_enter(&wait_time); 3257 #endif 3258 3259 if (*p_sh == NUL) 3260 { 3261 EMSG(_(e_shellempty)); 3262 retval = -1; 3263 } 3264 else 3265 { 3266 #ifdef FEAT_GUI_MSWIN 3267 /* Don't hide the pointer while executing a shell command. */ 3268 gui_mch_mousehide(FALSE); 3269 #endif 3270 #ifdef FEAT_GUI 3271 ++hold_gui_events; 3272 #endif 3273 /* The external command may update a tags file, clear cached tags. */ 3274 tag_freematch(); 3275 3276 if (cmd == NULL || *p_sxq == NUL) 3277 retval = mch_call_shell(cmd, opt); 3278 else 3279 { 3280 char_u *ecmd = cmd; 3281 3282 if (*p_sxe != NUL && STRCMP(p_sxq, "(") == 0) 3283 { 3284 ecmd = vim_strsave_escaped_ext(cmd, p_sxe, '^', FALSE); 3285 if (ecmd == NULL) 3286 ecmd = cmd; 3287 } 3288 ncmd = alloc((unsigned)(STRLEN(ecmd) + STRLEN(p_sxq) * 2 + 1)); 3289 if (ncmd != NULL) 3290 { 3291 STRCPY(ncmd, p_sxq); 3292 STRCAT(ncmd, ecmd); 3293 /* When 'shellxquote' is ( append ). 3294 * When 'shellxquote' is "( append )". */ 3295 STRCAT(ncmd, STRCMP(p_sxq, "(") == 0 ? (char_u *)")" 3296 : STRCMP(p_sxq, "\"(") == 0 ? (char_u *)")\"" 3297 : p_sxq); 3298 retval = mch_call_shell(ncmd, opt); 3299 vim_free(ncmd); 3300 } 3301 else 3302 retval = -1; 3303 if (ecmd != cmd) 3304 vim_free(ecmd); 3305 } 3306 #ifdef FEAT_GUI 3307 --hold_gui_events; 3308 #endif 3309 /* 3310 * Check the window size, in case it changed while executing the 3311 * external command. 3312 */ 3313 shell_resized_check(); 3314 } 3315 3316 #ifdef FEAT_EVAL 3317 set_vim_var_nr(VV_SHELL_ERROR, (long)retval); 3318 # ifdef FEAT_PROFILE 3319 if (do_profiling == PROF_YES) 3320 prof_child_exit(&wait_time); 3321 # endif 3322 #endif 3323 3324 return retval; 3325 } 3326 3327 /* 3328 * VISUAL, SELECTMODE and OP_PENDING State are never set, they are equal to 3329 * NORMAL State with a condition. This function returns the real State. 3330 */ 3331 int 3332 get_real_state(void) 3333 { 3334 if (State & NORMAL) 3335 { 3336 if (VIsual_active) 3337 { 3338 if (VIsual_select) 3339 return SELECTMODE; 3340 return VISUAL; 3341 } 3342 else if (finish_op) 3343 return OP_PENDING; 3344 } 3345 return State; 3346 } 3347 3348 #if defined(FEAT_MBYTE) || defined(PROTO) 3349 /* 3350 * Return TRUE if "p" points to just after a path separator. 3351 * Takes care of multi-byte characters. 3352 * "b" must point to the start of the file name 3353 */ 3354 int 3355 after_pathsep(char_u *b, char_u *p) 3356 { 3357 return p > b && vim_ispathsep(p[-1]) 3358 && (!has_mbyte || (*mb_head_off)(b, p - 1) == 0); 3359 } 3360 #endif 3361 3362 /* 3363 * Return TRUE if file names "f1" and "f2" are in the same directory. 3364 * "f1" may be a short name, "f2" must be a full path. 3365 */ 3366 int 3367 same_directory(char_u *f1, char_u *f2) 3368 { 3369 char_u ffname[MAXPATHL]; 3370 char_u *t1; 3371 char_u *t2; 3372 3373 /* safety check */ 3374 if (f1 == NULL || f2 == NULL) 3375 return FALSE; 3376 3377 (void)vim_FullName(f1, ffname, MAXPATHL, FALSE); 3378 t1 = gettail_sep(ffname); 3379 t2 = gettail_sep(f2); 3380 return (t1 - ffname == t2 - f2 3381 && pathcmp((char *)ffname, (char *)f2, (int)(t1 - ffname)) == 0); 3382 } 3383 3384 #if defined(FEAT_SESSION) || defined(FEAT_AUTOCHDIR) \ 3385 || defined(MSWIN) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) \ 3386 || defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ 3387 || defined(PROTO) 3388 /* 3389 * Change to a file's directory. 3390 * Caller must call shorten_fnames()! 3391 * Return OK or FAIL. 3392 */ 3393 int 3394 vim_chdirfile(char_u *fname, char *trigger_autocmd UNUSED) 3395 { 3396 char_u dir[MAXPATHL]; 3397 int res; 3398 3399 vim_strncpy(dir, fname, MAXPATHL - 1); 3400 *gettail_sep(dir) = NUL; 3401 res = mch_chdir((char *)dir) == 0 ? OK : FAIL; 3402 if (res == OK && trigger_autocmd != NULL) 3403 apply_autocmds(EVENT_DIRCHANGED, (char_u *)trigger_autocmd, 3404 dir, FALSE, curbuf); 3405 return res; 3406 } 3407 #endif 3408 3409 #if defined(STAT_IGNORES_SLASH) || defined(PROTO) 3410 /* 3411 * Check if "name" ends in a slash and is not a directory. 3412 * Used for systems where stat() ignores a trailing slash on a file name. 3413 * The Vim code assumes a trailing slash is only ignored for a directory. 3414 */ 3415 static int 3416 illegal_slash(const char *name) 3417 { 3418 if (name[0] == NUL) 3419 return FALSE; /* no file name is not illegal */ 3420 if (name[strlen(name) - 1] != '/') 3421 return FALSE; /* no trailing slash */ 3422 if (mch_isdir((char_u *)name)) 3423 return FALSE; /* trailing slash for a directory */ 3424 return TRUE; 3425 } 3426 3427 /* 3428 * Special implementation of mch_stat() for Solaris. 3429 */ 3430 int 3431 vim_stat(const char *name, stat_T *stp) 3432 { 3433 /* On Solaris stat() accepts "file/" as if it was "file". Return -1 if 3434 * the name ends in "/" and it's not a directory. */ 3435 return illegal_slash(name) ? -1 : stat(name, stp); 3436 } 3437 #endif 3438 3439 #if defined(CURSOR_SHAPE) || defined(PROTO) 3440 3441 /* 3442 * Handling of cursor and mouse pointer shapes in various modes. 3443 */ 3444 3445 cursorentry_T shape_table[SHAPE_IDX_COUNT] = 3446 { 3447 /* The values will be filled in from the 'guicursor' and 'mouseshape' 3448 * defaults when Vim starts. 3449 * Adjust the SHAPE_IDX_ defines when making changes! */ 3450 {0, 0, 0, 700L, 400L, 250L, 0, 0, "n", SHAPE_CURSOR+SHAPE_MOUSE}, 3451 {0, 0, 0, 700L, 400L, 250L, 0, 0, "v", SHAPE_CURSOR+SHAPE_MOUSE}, 3452 {0, 0, 0, 700L, 400L, 250L, 0, 0, "i", SHAPE_CURSOR+SHAPE_MOUSE}, 3453 {0, 0, 0, 700L, 400L, 250L, 0, 0, "r", SHAPE_CURSOR+SHAPE_MOUSE}, 3454 {0, 0, 0, 700L, 400L, 250L, 0, 0, "c", SHAPE_CURSOR+SHAPE_MOUSE}, 3455 {0, 0, 0, 700L, 400L, 250L, 0, 0, "ci", SHAPE_CURSOR+SHAPE_MOUSE}, 3456 {0, 0, 0, 700L, 400L, 250L, 0, 0, "cr", SHAPE_CURSOR+SHAPE_MOUSE}, 3457 {0, 0, 0, 700L, 400L, 250L, 0, 0, "o", SHAPE_CURSOR+SHAPE_MOUSE}, 3458 {0, 0, 0, 700L, 400L, 250L, 0, 0, "ve", SHAPE_CURSOR+SHAPE_MOUSE}, 3459 {0, 0, 0, 0L, 0L, 0L, 0, 0, "e", SHAPE_MOUSE}, 3460 {0, 0, 0, 0L, 0L, 0L, 0, 0, "s", SHAPE_MOUSE}, 3461 {0, 0, 0, 0L, 0L, 0L, 0, 0, "sd", SHAPE_MOUSE}, 3462 {0, 0, 0, 0L, 0L, 0L, 0, 0, "vs", SHAPE_MOUSE}, 3463 {0, 0, 0, 0L, 0L, 0L, 0, 0, "vd", SHAPE_MOUSE}, 3464 {0, 0, 0, 0L, 0L, 0L, 0, 0, "m", SHAPE_MOUSE}, 3465 {0, 0, 0, 0L, 0L, 0L, 0, 0, "ml", SHAPE_MOUSE}, 3466 {0, 0, 0, 100L, 100L, 100L, 0, 0, "sm", SHAPE_CURSOR}, 3467 }; 3468 3469 #ifdef FEAT_MOUSESHAPE 3470 /* 3471 * Table with names for mouse shapes. Keep in sync with all the tables for 3472 * mch_set_mouse_shape()!. 3473 */ 3474 static char * mshape_names[] = 3475 { 3476 "arrow", /* default, must be the first one */ 3477 "blank", /* hidden */ 3478 "beam", 3479 "updown", 3480 "udsizing", 3481 "leftright", 3482 "lrsizing", 3483 "busy", 3484 "no", 3485 "crosshair", 3486 "hand1", 3487 "hand2", 3488 "pencil", 3489 "question", 3490 "rightup-arrow", 3491 "up-arrow", 3492 NULL 3493 }; 3494 #endif 3495 3496 /* 3497 * Parse the 'guicursor' option ("what" is SHAPE_CURSOR) or 'mouseshape' 3498 * ("what" is SHAPE_MOUSE). 3499 * Returns error message for an illegal option, NULL otherwise. 3500 */ 3501 char_u * 3502 parse_shape_opt(int what) 3503 { 3504 char_u *modep; 3505 char_u *colonp; 3506 char_u *commap; 3507 char_u *slashp; 3508 char_u *p, *endp; 3509 int idx = 0; /* init for GCC */ 3510 int all_idx; 3511 int len; 3512 int i; 3513 long n; 3514 int found_ve = FALSE; /* found "ve" flag */ 3515 int round; 3516 3517 /* 3518 * First round: check for errors; second round: do it for real. 3519 */ 3520 for (round = 1; round <= 2; ++round) 3521 { 3522 /* 3523 * Repeat for all comma separated parts. 3524 */ 3525 #ifdef FEAT_MOUSESHAPE 3526 if (what == SHAPE_MOUSE) 3527 modep = p_mouseshape; 3528 else 3529 #endif 3530 modep = p_guicursor; 3531 while (*modep != NUL) 3532 { 3533 colonp = vim_strchr(modep, ':'); 3534 commap = vim_strchr(modep, ','); 3535 3536 if (colonp == NULL || (commap != NULL && commap < colonp)) 3537 return (char_u *)N_("E545: Missing colon"); 3538 if (colonp == modep) 3539 return (char_u *)N_("E546: Illegal mode"); 3540 3541 /* 3542 * Repeat for all mode's before the colon. 3543 * For the 'a' mode, we loop to handle all the modes. 3544 */ 3545 all_idx = -1; 3546 while (modep < colonp || all_idx >= 0) 3547 { 3548 if (all_idx < 0) 3549 { 3550 /* Find the mode. */ 3551 if (modep[1] == '-' || modep[1] == ':') 3552 len = 1; 3553 else 3554 len = 2; 3555 if (len == 1 && TOLOWER_ASC(modep[0]) == 'a') 3556 all_idx = SHAPE_IDX_COUNT - 1; 3557 else 3558 { 3559 for (idx = 0; idx < SHAPE_IDX_COUNT; ++idx) 3560 if (STRNICMP(modep, shape_table[idx].name, len) 3561 == 0) 3562 break; 3563 if (idx == SHAPE_IDX_COUNT 3564 || (shape_table[idx].used_for & what) == 0) 3565 return (char_u *)N_("E546: Illegal mode"); 3566 if (len == 2 && modep[0] == 'v' && modep[1] == 'e') 3567 found_ve = TRUE; 3568 } 3569 modep += len + 1; 3570 } 3571 3572 if (all_idx >= 0) 3573 idx = all_idx--; 3574 else if (round == 2) 3575 { 3576 #ifdef FEAT_MOUSESHAPE 3577 if (what == SHAPE_MOUSE) 3578 { 3579 /* Set the default, for the missing parts */ 3580 shape_table[idx].mshape = 0; 3581 } 3582 else 3583 #endif 3584 { 3585 /* Set the defaults, for the missing parts */ 3586 shape_table[idx].shape = SHAPE_BLOCK; 3587 shape_table[idx].blinkwait = 700L; 3588 shape_table[idx].blinkon = 400L; 3589 shape_table[idx].blinkoff = 250L; 3590 } 3591 } 3592 3593 /* Parse the part after the colon */ 3594 for (p = colonp + 1; *p && *p != ','; ) 3595 { 3596 #ifdef FEAT_MOUSESHAPE 3597 if (what == SHAPE_MOUSE) 3598 { 3599 for (i = 0; ; ++i) 3600 { 3601 if (mshape_names[i] == NULL) 3602 { 3603 if (!VIM_ISDIGIT(*p)) 3604 return (char_u *)N_("E547: Illegal mouseshape"); 3605 if (round == 2) 3606 shape_table[idx].mshape = 3607 getdigits(&p) + MSHAPE_NUMBERED; 3608 else 3609 (void)getdigits(&p); 3610 break; 3611 } 3612 len = (int)STRLEN(mshape_names[i]); 3613 if (STRNICMP(p, mshape_names[i], len) == 0) 3614 { 3615 if (round == 2) 3616 shape_table[idx].mshape = i; 3617 p += len; 3618 break; 3619 } 3620 } 3621 } 3622 else /* if (what == SHAPE_MOUSE) */ 3623 #endif 3624 { 3625 /* 3626 * First handle the ones with a number argument. 3627 */ 3628 i = *p; 3629 len = 0; 3630 if (STRNICMP(p, "ver", 3) == 0) 3631 len = 3; 3632 else if (STRNICMP(p, "hor", 3) == 0) 3633 len = 3; 3634 else if (STRNICMP(p, "blinkwait", 9) == 0) 3635 len = 9; 3636 else if (STRNICMP(p, "blinkon", 7) == 0) 3637 len = 7; 3638 else if (STRNICMP(p, "blinkoff", 8) == 0) 3639 len = 8; 3640 if (len != 0) 3641 { 3642 p += len; 3643 if (!VIM_ISDIGIT(*p)) 3644 return (char_u *)N_("E548: digit expected"); 3645 n = getdigits(&p); 3646 if (len == 3) /* "ver" or "hor" */ 3647 { 3648 if (n == 0) 3649 return (char_u *)N_("E549: Illegal percentage"); 3650 if (round == 2) 3651 { 3652 if (TOLOWER_ASC(i) == 'v') 3653 shape_table[idx].shape = SHAPE_VER; 3654 else 3655 shape_table[idx].shape = SHAPE_HOR; 3656 shape_table[idx].percentage = n; 3657 } 3658 } 3659 else if (round == 2) 3660 { 3661 if (len == 9) 3662 shape_table[idx].blinkwait = n; 3663 else if (len == 7) 3664 shape_table[idx].blinkon = n; 3665 else 3666 shape_table[idx].blinkoff = n; 3667 } 3668 } 3669 else if (STRNICMP(p, "block", 5) == 0) 3670 { 3671 if (round == 2) 3672 shape_table[idx].shape = SHAPE_BLOCK; 3673 p += 5; 3674 } 3675 else /* must be a highlight group name then */ 3676 { 3677 endp = vim_strchr(p, '-'); 3678 if (commap == NULL) /* last part */ 3679 { 3680 if (endp == NULL) 3681 endp = p + STRLEN(p); /* find end of part */ 3682 } 3683 else if (endp > commap || endp == NULL) 3684 endp = commap; 3685 slashp = vim_strchr(p, '/'); 3686 if (slashp != NULL && slashp < endp) 3687 { 3688 /* "group/langmap_group" */ 3689 i = syn_check_group(p, (int)(slashp - p)); 3690 p = slashp + 1; 3691 } 3692 if (round == 2) 3693 { 3694 shape_table[idx].id = syn_check_group(p, 3695 (int)(endp - p)); 3696 shape_table[idx].id_lm = shape_table[idx].id; 3697 if (slashp != NULL && slashp < endp) 3698 shape_table[idx].id = i; 3699 } 3700 p = endp; 3701 } 3702 } /* if (what != SHAPE_MOUSE) */ 3703 3704 if (*p == '-') 3705 ++p; 3706 } 3707 } 3708 modep = p; 3709 if (*modep == ',') 3710 ++modep; 3711 } 3712 } 3713 3714 /* If the 's' flag is not given, use the 'v' cursor for 's' */ 3715 if (!found_ve) 3716 { 3717 #ifdef FEAT_MOUSESHAPE 3718 if (what == SHAPE_MOUSE) 3719 { 3720 shape_table[SHAPE_IDX_VE].mshape = shape_table[SHAPE_IDX_V].mshape; 3721 } 3722 else 3723 #endif 3724 { 3725 shape_table[SHAPE_IDX_VE].shape = shape_table[SHAPE_IDX_V].shape; 3726 shape_table[SHAPE_IDX_VE].percentage = 3727 shape_table[SHAPE_IDX_V].percentage; 3728 shape_table[SHAPE_IDX_VE].blinkwait = 3729 shape_table[SHAPE_IDX_V].blinkwait; 3730 shape_table[SHAPE_IDX_VE].blinkon = 3731 shape_table[SHAPE_IDX_V].blinkon; 3732 shape_table[SHAPE_IDX_VE].blinkoff = 3733 shape_table[SHAPE_IDX_V].blinkoff; 3734 shape_table[SHAPE_IDX_VE].id = shape_table[SHAPE_IDX_V].id; 3735 shape_table[SHAPE_IDX_VE].id_lm = shape_table[SHAPE_IDX_V].id_lm; 3736 } 3737 } 3738 3739 return NULL; 3740 } 3741 3742 # if defined(MCH_CURSOR_SHAPE) || defined(FEAT_GUI) \ 3743 || defined(FEAT_MOUSESHAPE) || defined(PROTO) 3744 /* 3745 * Return the index into shape_table[] for the current mode. 3746 * When "mouse" is TRUE, consider indexes valid for the mouse pointer. 3747 */ 3748 int 3749 get_shape_idx(int mouse) 3750 { 3751 #ifdef FEAT_MOUSESHAPE 3752 if (mouse && (State == HITRETURN || State == ASKMORE)) 3753 { 3754 # ifdef FEAT_GUI 3755 int x, y; 3756 gui_mch_getmouse(&x, &y); 3757 if (Y_2_ROW(y) == Rows - 1) 3758 return SHAPE_IDX_MOREL; 3759 # endif 3760 return SHAPE_IDX_MORE; 3761 } 3762 if (mouse && drag_status_line) 3763 return SHAPE_IDX_SDRAG; 3764 if (mouse && drag_sep_line) 3765 return SHAPE_IDX_VDRAG; 3766 #endif 3767 if (!mouse && State == SHOWMATCH) 3768 return SHAPE_IDX_SM; 3769 if (State & VREPLACE_FLAG) 3770 return SHAPE_IDX_R; 3771 if (State & REPLACE_FLAG) 3772 return SHAPE_IDX_R; 3773 if (State & INSERT) 3774 return SHAPE_IDX_I; 3775 if (State & CMDLINE) 3776 { 3777 if (cmdline_at_end()) 3778 return SHAPE_IDX_C; 3779 if (cmdline_overstrike()) 3780 return SHAPE_IDX_CR; 3781 return SHAPE_IDX_CI; 3782 } 3783 if (finish_op) 3784 return SHAPE_IDX_O; 3785 if (VIsual_active) 3786 { 3787 if (*p_sel == 'e') 3788 return SHAPE_IDX_VE; 3789 else 3790 return SHAPE_IDX_V; 3791 } 3792 return SHAPE_IDX_N; 3793 } 3794 #endif 3795 3796 # if defined(FEAT_MOUSESHAPE) || defined(PROTO) 3797 static int old_mouse_shape = 0; 3798 3799 /* 3800 * Set the mouse shape: 3801 * If "shape" is -1, use shape depending on the current mode, 3802 * depending on the current state. 3803 * If "shape" is -2, only update the shape when it's CLINE or STATUS (used 3804 * when the mouse moves off the status or command line). 3805 */ 3806 void 3807 update_mouseshape(int shape_idx) 3808 { 3809 int new_mouse_shape; 3810 3811 /* Only works in GUI mode. */ 3812 if (!gui.in_use || gui.starting) 3813 return; 3814 3815 /* Postpone the updating when more is to come. Speeds up executing of 3816 * mappings. */ 3817 if (shape_idx == -1 && char_avail()) 3818 { 3819 postponed_mouseshape = TRUE; 3820 return; 3821 } 3822 3823 /* When ignoring the mouse don't change shape on the statusline. */ 3824 if (*p_mouse == NUL 3825 && (shape_idx == SHAPE_IDX_CLINE 3826 || shape_idx == SHAPE_IDX_STATUS 3827 || shape_idx == SHAPE_IDX_VSEP)) 3828 shape_idx = -2; 3829 3830 if (shape_idx == -2 3831 && old_mouse_shape != shape_table[SHAPE_IDX_CLINE].mshape 3832 && old_mouse_shape != shape_table[SHAPE_IDX_STATUS].mshape 3833 && old_mouse_shape != shape_table[SHAPE_IDX_VSEP].mshape) 3834 return; 3835 if (shape_idx < 0) 3836 new_mouse_shape = shape_table[get_shape_idx(TRUE)].mshape; 3837 else 3838 new_mouse_shape = shape_table[shape_idx].mshape; 3839 if (new_mouse_shape != old_mouse_shape) 3840 { 3841 mch_set_mouse_shape(new_mouse_shape); 3842 old_mouse_shape = new_mouse_shape; 3843 } 3844 postponed_mouseshape = FALSE; 3845 } 3846 # endif 3847 3848 #endif /* CURSOR_SHAPE */ 3849 3850 3851 /* TODO: make some #ifdef for this */ 3852 /*--------[ file searching ]-------------------------------------------------*/ 3853 /* 3854 * File searching functions for 'path', 'tags' and 'cdpath' options. 3855 * External visible functions: 3856 * vim_findfile_init() creates/initialises the search context 3857 * vim_findfile_free_visited() free list of visited files/dirs of search 3858 * context 3859 * vim_findfile() find a file in the search context 3860 * vim_findfile_cleanup() cleanup/free search context created by 3861 * vim_findfile_init() 3862 * 3863 * All static functions and variables start with 'ff_' 3864 * 3865 * In general it works like this: 3866 * First you create yourself a search context by calling vim_findfile_init(). 3867 * It is possible to give a search context from a previous call to 3868 * vim_findfile_init(), so it can be reused. After this you call vim_findfile() 3869 * until you are satisfied with the result or it returns NULL. On every call it 3870 * returns the next file which matches the conditions given to 3871 * vim_findfile_init(). If it doesn't find a next file it returns NULL. 3872 * 3873 * It is possible to call vim_findfile_init() again to reinitialise your search 3874 * with some new parameters. Don't forget to pass your old search context to 3875 * it, so it can reuse it and especially reuse the list of already visited 3876 * directories. If you want to delete the list of already visited directories 3877 * simply call vim_findfile_free_visited(). 3878 * 3879 * When you are done call vim_findfile_cleanup() to free the search context. 3880 * 3881 * The function vim_findfile_init() has a long comment, which describes the 3882 * needed parameters. 3883 * 3884 * 3885 * 3886 * ATTENTION: 3887 * ========== 3888 * Also we use an allocated search context here, this functions are NOT 3889 * thread-safe!!!!! 3890 * 3891 * To minimize parameter passing (or because I'm to lazy), only the 3892 * external visible functions get a search context as a parameter. This is 3893 * then assigned to a static global, which is used throughout the local 3894 * functions. 3895 */ 3896 3897 /* 3898 * type for the directory search stack 3899 */ 3900 typedef struct ff_stack 3901 { 3902 struct ff_stack *ffs_prev; 3903 3904 /* the fix part (no wildcards) and the part containing the wildcards 3905 * of the search path 3906 */ 3907 char_u *ffs_fix_path; 3908 #ifdef FEAT_PATH_EXTRA 3909 char_u *ffs_wc_path; 3910 #endif 3911 3912 /* files/dirs found in the above directory, matched by the first wildcard 3913 * of wc_part 3914 */ 3915 char_u **ffs_filearray; 3916 int ffs_filearray_size; 3917 char_u ffs_filearray_cur; /* needed for partly handled dirs */ 3918 3919 /* to store status of partly handled directories 3920 * 0: we work on this directory for the first time 3921 * 1: this directory was partly searched in an earlier step 3922 */ 3923 int ffs_stage; 3924 3925 /* How deep are we in the directory tree? 3926 * Counts backward from value of level parameter to vim_findfile_init 3927 */ 3928 int ffs_level; 3929 3930 /* Did we already expand '**' to an empty string? */ 3931 int ffs_star_star_empty; 3932 } ff_stack_T; 3933 3934 /* 3935 * type for already visited directories or files. 3936 */ 3937 typedef struct ff_visited 3938 { 3939 struct ff_visited *ffv_next; 3940 3941 #ifdef FEAT_PATH_EXTRA 3942 /* Visited directories are different if the wildcard string are 3943 * different. So we have to save it. 3944 */ 3945 char_u *ffv_wc_path; 3946 #endif 3947 /* for unix use inode etc for comparison (needed because of links), else 3948 * use filename. 3949 */ 3950 #ifdef UNIX 3951 int ffv_dev_valid; /* ffv_dev and ffv_ino were set */ 3952 dev_t ffv_dev; /* device number */ 3953 ino_t ffv_ino; /* inode number */ 3954 #endif 3955 /* The memory for this struct is allocated according to the length of 3956 * ffv_fname. 3957 */ 3958 char_u ffv_fname[1]; /* actually longer */ 3959 } ff_visited_T; 3960 3961 /* 3962 * We might have to manage several visited lists during a search. 3963 * This is especially needed for the tags option. If tags is set to: 3964 * "./++/tags,./++/TAGS,++/tags" (replace + with *) 3965 * So we have to do 3 searches: 3966 * 1) search from the current files directory downward for the file "tags" 3967 * 2) search from the current files directory downward for the file "TAGS" 3968 * 3) search from Vims current directory downwards for the file "tags" 3969 * As you can see, the first and the third search are for the same file, so for 3970 * the third search we can use the visited list of the first search. For the 3971 * second search we must start from a empty visited list. 3972 * The struct ff_visited_list_hdr is used to manage a linked list of already 3973 * visited lists. 3974 */ 3975 typedef struct ff_visited_list_hdr 3976 { 3977 struct ff_visited_list_hdr *ffvl_next; 3978 3979 /* the filename the attached visited list is for */ 3980 char_u *ffvl_filename; 3981 3982 ff_visited_T *ffvl_visited_list; 3983 3984 } ff_visited_list_hdr_T; 3985 3986 3987 /* 3988 * '**' can be expanded to several directory levels. 3989 * Set the default maximum depth. 3990 */ 3991 #define FF_MAX_STAR_STAR_EXPAND ((char_u)30) 3992 3993 /* 3994 * The search context: 3995 * ffsc_stack_ptr: the stack for the dirs to search 3996 * ffsc_visited_list: the currently active visited list 3997 * ffsc_dir_visited_list: the currently active visited list for search dirs 3998 * ffsc_visited_lists_list: the list of all visited lists 3999 * ffsc_dir_visited_lists_list: the list of all visited lists for search dirs 4000 * ffsc_file_to_search: the file to search for 4001 * ffsc_start_dir: the starting directory, if search path was relative 4002 * ffsc_fix_path: the fix part of the given path (without wildcards) 4003 * Needed for upward search. 4004 * ffsc_wc_path: the part of the given path containing wildcards 4005 * ffsc_level: how many levels of dirs to search downwards 4006 * ffsc_stopdirs_v: array of stop directories for upward search 4007 * ffsc_find_what: FINDFILE_BOTH, FINDFILE_DIR or FINDFILE_FILE 4008 * ffsc_tagfile: searching for tags file, don't use 'suffixesadd' 4009 */ 4010 typedef struct ff_search_ctx_T 4011 { 4012 ff_stack_T *ffsc_stack_ptr; 4013 ff_visited_list_hdr_T *ffsc_visited_list; 4014 ff_visited_list_hdr_T *ffsc_dir_visited_list; 4015 ff_visited_list_hdr_T *ffsc_visited_lists_list; 4016 ff_visited_list_hdr_T *ffsc_dir_visited_lists_list; 4017 char_u *ffsc_file_to_search; 4018 char_u *ffsc_start_dir; 4019 char_u *ffsc_fix_path; 4020 #ifdef FEAT_PATH_EXTRA 4021 char_u *ffsc_wc_path; 4022 int ffsc_level; 4023 char_u **ffsc_stopdirs_v; 4024 #endif 4025 int ffsc_find_what; 4026 int ffsc_tagfile; 4027 } ff_search_ctx_T; 4028 4029 /* locally needed functions */ 4030 #ifdef FEAT_PATH_EXTRA 4031 static int ff_check_visited(ff_visited_T **, char_u *, char_u *); 4032 #else 4033 static int ff_check_visited(ff_visited_T **, char_u *); 4034 #endif 4035 static void vim_findfile_free_visited_list(ff_visited_list_hdr_T **list_headp); 4036 static void ff_free_visited_list(ff_visited_T *vl); 4037 static ff_visited_list_hdr_T* ff_get_visited_list(char_u *, ff_visited_list_hdr_T **list_headp); 4038 #ifdef FEAT_PATH_EXTRA 4039 static int ff_wc_equal(char_u *s1, char_u *s2); 4040 #endif 4041 4042 static void ff_push(ff_search_ctx_T *search_ctx, ff_stack_T *stack_ptr); 4043 static ff_stack_T *ff_pop(ff_search_ctx_T *search_ctx); 4044 static void ff_clear(ff_search_ctx_T *search_ctx); 4045 static void ff_free_stack_element(ff_stack_T *stack_ptr); 4046 #ifdef FEAT_PATH_EXTRA 4047 static ff_stack_T *ff_create_stack_element(char_u *, char_u *, int, int); 4048 #else 4049 static ff_stack_T *ff_create_stack_element(char_u *, int, int); 4050 #endif 4051 #ifdef FEAT_PATH_EXTRA 4052 static int ff_path_in_stoplist(char_u *, int, char_u **); 4053 #endif 4054 4055 static char_u e_pathtoolong[] = N_("E854: path too long for completion"); 4056 4057 #if 0 4058 /* 4059 * if someone likes findfirst/findnext, here are the functions 4060 * NOT TESTED!! 4061 */ 4062 4063 static void *ff_fn_search_context = NULL; 4064 4065 char_u * 4066 vim_findfirst(char_u *path, char_u *filename, int level) 4067 { 4068 ff_fn_search_context = 4069 vim_findfile_init(path, filename, NULL, level, TRUE, FALSE, 4070 ff_fn_search_context, rel_fname); 4071 if (NULL == ff_fn_search_context) 4072 return NULL; 4073 else 4074 return vim_findnext() 4075 } 4076 4077 char_u * 4078 vim_findnext(void) 4079 { 4080 char_u *ret = vim_findfile(ff_fn_search_context); 4081 4082 if (NULL == ret) 4083 { 4084 vim_findfile_cleanup(ff_fn_search_context); 4085 ff_fn_search_context = NULL; 4086 } 4087 return ret; 4088 } 4089 #endif 4090 4091 /* 4092 * Initialization routine for vim_findfile(). 4093 * 4094 * Returns the newly allocated search context or NULL if an error occurred. 4095 * 4096 * Don't forget to clean up by calling vim_findfile_cleanup() if you are done 4097 * with the search context. 4098 * 4099 * Find the file 'filename' in the directory 'path'. 4100 * The parameter 'path' may contain wildcards. If so only search 'level' 4101 * directories deep. The parameter 'level' is the absolute maximum and is 4102 * not related to restricts given to the '**' wildcard. If 'level' is 100 4103 * and you use '**200' vim_findfile() will stop after 100 levels. 4104 * 4105 * 'filename' cannot contain wildcards! It is used as-is, no backslashes to 4106 * escape special characters. 4107 * 4108 * If 'stopdirs' is not NULL and nothing is found downward, the search is 4109 * restarted on the next higher directory level. This is repeated until the 4110 * start-directory of a search is contained in 'stopdirs'. 'stopdirs' has the 4111 * format ";*<dirname>*\(;<dirname>\)*;\=$". 4112 * 4113 * If the 'path' is relative, the starting dir for the search is either VIM's 4114 * current dir or if the path starts with "./" the current files dir. 4115 * If the 'path' is absolute, the starting dir is that part of the path before 4116 * the first wildcard. 4117 * 4118 * Upward search is only done on the starting dir. 4119 * 4120 * If 'free_visited' is TRUE the list of already visited files/directories is 4121 * cleared. Set this to FALSE if you just want to search from another 4122 * directory, but want to be sure that no directory from a previous search is 4123 * searched again. This is useful if you search for a file at different places. 4124 * The list of visited files/dirs can also be cleared with the function 4125 * vim_findfile_free_visited(). 4126 * 4127 * Set the parameter 'find_what' to FINDFILE_DIR if you want to search for 4128 * directories only, FINDFILE_FILE for files only, FINDFILE_BOTH for both. 4129 * 4130 * A search context returned by a previous call to vim_findfile_init() can be 4131 * passed in the parameter "search_ctx_arg". This context is reused and 4132 * reinitialized with the new parameters. The list of already visited 4133 * directories from this context is only deleted if the parameter 4134 * "free_visited" is true. Be aware that the passed "search_ctx_arg" is freed 4135 * if the reinitialization fails. 4136 * 4137 * If you don't have a search context from a previous call "search_ctx_arg" 4138 * must be NULL. 4139 * 4140 * This function silently ignores a few errors, vim_findfile() will have 4141 * limited functionality then. 4142 */ 4143 void * 4144 vim_findfile_init( 4145 char_u *path, 4146 char_u *filename, 4147 char_u *stopdirs UNUSED, 4148 int level, 4149 int free_visited, 4150 int find_what, 4151 void *search_ctx_arg, 4152 int tagfile, /* expanding names of tags files */ 4153 char_u *rel_fname) /* file name to use for "." */ 4154 { 4155 #ifdef FEAT_PATH_EXTRA 4156 char_u *wc_part; 4157 #endif 4158 ff_stack_T *sptr; 4159 ff_search_ctx_T *search_ctx; 4160 4161 /* If a search context is given by the caller, reuse it, else allocate a 4162 * new one. 4163 */ 4164 if (search_ctx_arg != NULL) 4165 search_ctx = search_ctx_arg; 4166 else 4167 { 4168 search_ctx = (ff_search_ctx_T*)alloc((unsigned)sizeof(ff_search_ctx_T)); 4169 if (search_ctx == NULL) 4170 goto error_return; 4171 vim_memset(search_ctx, 0, sizeof(ff_search_ctx_T)); 4172 } 4173 search_ctx->ffsc_find_what = find_what; 4174 search_ctx->ffsc_tagfile = tagfile; 4175 4176 /* clear the search context, but NOT the visited lists */ 4177 ff_clear(search_ctx); 4178 4179 /* clear visited list if wanted */ 4180 if (free_visited == TRUE) 4181 vim_findfile_free_visited(search_ctx); 4182 else 4183 { 4184 /* Reuse old visited lists. Get the visited list for the given 4185 * filename. If no list for the current filename exists, creates a new 4186 * one. */ 4187 search_ctx->ffsc_visited_list = ff_get_visited_list(filename, 4188 &search_ctx->ffsc_visited_lists_list); 4189 if (search_ctx->ffsc_visited_list == NULL) 4190 goto error_return; 4191 search_ctx->ffsc_dir_visited_list = ff_get_visited_list(filename, 4192 &search_ctx->ffsc_dir_visited_lists_list); 4193 if (search_ctx->ffsc_dir_visited_list == NULL) 4194 goto error_return; 4195 } 4196 4197 if (ff_expand_buffer == NULL) 4198 { 4199 ff_expand_buffer = (char_u*)alloc(MAXPATHL); 4200 if (ff_expand_buffer == NULL) 4201 goto error_return; 4202 } 4203 4204 /* Store information on starting dir now if path is relative. 4205 * If path is absolute, we do that later. */ 4206 if (path[0] == '.' 4207 && (vim_ispathsep(path[1]) || path[1] == NUL) 4208 && (!tagfile || vim_strchr(p_cpo, CPO_DOTTAG) == NULL) 4209 && rel_fname != NULL) 4210 { 4211 int len = (int)(gettail(rel_fname) - rel_fname); 4212 4213 if (!vim_isAbsName(rel_fname) && len + 1 < MAXPATHL) 4214 { 4215 /* Make the start dir an absolute path name. */ 4216 vim_strncpy(ff_expand_buffer, rel_fname, len); 4217 search_ctx->ffsc_start_dir = FullName_save(ff_expand_buffer, FALSE); 4218 } 4219 else 4220 search_ctx->ffsc_start_dir = vim_strnsave(rel_fname, len); 4221 if (search_ctx->ffsc_start_dir == NULL) 4222 goto error_return; 4223 if (*++path != NUL) 4224 ++path; 4225 } 4226 else if (*path == NUL || !vim_isAbsName(path)) 4227 { 4228 #ifdef BACKSLASH_IN_FILENAME 4229 /* "c:dir" needs "c:" to be expanded, otherwise use current dir */ 4230 if (*path != NUL && path[1] == ':') 4231 { 4232 char_u drive[3]; 4233 4234 drive[0] = path[0]; 4235 drive[1] = ':'; 4236 drive[2] = NUL; 4237 if (vim_FullName(drive, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) 4238 goto error_return; 4239 path += 2; 4240 } 4241 else 4242 #endif 4243 if (mch_dirname(ff_expand_buffer, MAXPATHL) == FAIL) 4244 goto error_return; 4245 4246 search_ctx->ffsc_start_dir = vim_strsave(ff_expand_buffer); 4247 if (search_ctx->ffsc_start_dir == NULL) 4248 goto error_return; 4249 4250 #ifdef BACKSLASH_IN_FILENAME 4251 /* A path that starts with "/dir" is relative to the drive, not to the 4252 * directory (but not for "//machine/dir"). Only use the drive name. */ 4253 if ((*path == '/' || *path == '\\') 4254 && path[1] != path[0] 4255 && search_ctx->ffsc_start_dir[1] == ':') 4256 search_ctx->ffsc_start_dir[2] = NUL; 4257 #endif 4258 } 4259 4260 #ifdef FEAT_PATH_EXTRA 4261 /* 4262 * If stopdirs are given, split them into an array of pointers. 4263 * If this fails (mem allocation), there is no upward search at all or a 4264 * stop directory is not recognized -> continue silently. 4265 * If stopdirs just contains a ";" or is empty, 4266 * search_ctx->ffsc_stopdirs_v will only contain a NULL pointer. This 4267 * is handled as unlimited upward search. See function 4268 * ff_path_in_stoplist() for details. 4269 */ 4270 if (stopdirs != NULL) 4271 { 4272 char_u *walker = stopdirs; 4273 int dircount; 4274 4275 while (*walker == ';') 4276 walker++; 4277 4278 dircount = 1; 4279 search_ctx->ffsc_stopdirs_v = 4280 (char_u **)alloc((unsigned)sizeof(char_u *)); 4281 4282 if (search_ctx->ffsc_stopdirs_v != NULL) 4283 { 4284 do 4285 { 4286 char_u *helper; 4287 void *ptr; 4288 4289 helper = walker; 4290 ptr = vim_realloc(search_ctx->ffsc_stopdirs_v, 4291 (dircount + 1) * sizeof(char_u *)); 4292 if (ptr) 4293 search_ctx->ffsc_stopdirs_v = ptr; 4294 else 4295 /* ignore, keep what we have and continue */ 4296 break; 4297 walker = vim_strchr(walker, ';'); 4298 if (walker) 4299 { 4300 search_ctx->ffsc_stopdirs_v[dircount-1] = 4301 vim_strnsave(helper, (int)(walker - helper)); 4302 walker++; 4303 } 4304 else 4305 /* this might be "", which means ascent till top 4306 * of directory tree. 4307 */ 4308 search_ctx->ffsc_stopdirs_v[dircount-1] = 4309 vim_strsave(helper); 4310 4311 dircount++; 4312 4313 } while (walker != NULL); 4314 search_ctx->ffsc_stopdirs_v[dircount-1] = NULL; 4315 } 4316 } 4317 #endif 4318 4319 #ifdef FEAT_PATH_EXTRA 4320 search_ctx->ffsc_level = level; 4321 4322 /* split into: 4323 * -fix path 4324 * -wildcard_stuff (might be NULL) 4325 */ 4326 wc_part = vim_strchr(path, '*'); 4327 if (wc_part != NULL) 4328 { 4329 int llevel; 4330 int len; 4331 char *errpt; 4332 4333 /* save the fix part of the path */ 4334 search_ctx->ffsc_fix_path = vim_strnsave(path, (int)(wc_part - path)); 4335 4336 /* 4337 * copy wc_path and add restricts to the '**' wildcard. 4338 * The octet after a '**' is used as a (binary) counter. 4339 * So '**3' is transposed to '**^C' ('^C' is ASCII value 3) 4340 * or '**76' is transposed to '**N'( 'N' is ASCII value 76). 4341 * For EBCDIC you get different character values. 4342 * If no restrict is given after '**' the default is used. 4343 * Due to this technique the path looks awful if you print it as a 4344 * string. 4345 */ 4346 len = 0; 4347 while (*wc_part != NUL) 4348 { 4349 if (len + 5 >= MAXPATHL) 4350 { 4351 EMSG(_(e_pathtoolong)); 4352 break; 4353 } 4354 if (STRNCMP(wc_part, "**", 2) == 0) 4355 { 4356 ff_expand_buffer[len++] = *wc_part++; 4357 ff_expand_buffer[len++] = *wc_part++; 4358 4359 llevel = strtol((char *)wc_part, &errpt, 10); 4360 if ((char_u *)errpt != wc_part && llevel > 0 && llevel < 255) 4361 ff_expand_buffer[len++] = llevel; 4362 else if ((char_u *)errpt != wc_part && llevel == 0) 4363 /* restrict is 0 -> remove already added '**' */ 4364 len -= 2; 4365 else 4366 ff_expand_buffer[len++] = FF_MAX_STAR_STAR_EXPAND; 4367 wc_part = (char_u *)errpt; 4368 if (*wc_part != NUL && !vim_ispathsep(*wc_part)) 4369 { 4370 EMSG2(_("E343: Invalid path: '**[number]' must be at the end of the path or be followed by '%s'."), PATHSEPSTR); 4371 goto error_return; 4372 } 4373 } 4374 else 4375 ff_expand_buffer[len++] = *wc_part++; 4376 } 4377 ff_expand_buffer[len] = NUL; 4378 search_ctx->ffsc_wc_path = vim_strsave(ff_expand_buffer); 4379 4380 if (search_ctx->ffsc_wc_path == NULL) 4381 goto error_return; 4382 } 4383 else 4384 #endif 4385 search_ctx->ffsc_fix_path = vim_strsave(path); 4386 4387 if (search_ctx->ffsc_start_dir == NULL) 4388 { 4389 /* store the fix part as startdir. 4390 * This is needed if the parameter path is fully qualified. 4391 */ 4392 search_ctx->ffsc_start_dir = vim_strsave(search_ctx->ffsc_fix_path); 4393 if (search_ctx->ffsc_start_dir == NULL) 4394 goto error_return; 4395 search_ctx->ffsc_fix_path[0] = NUL; 4396 } 4397 4398 /* create an absolute path */ 4399 if (STRLEN(search_ctx->ffsc_start_dir) 4400 + STRLEN(search_ctx->ffsc_fix_path) + 3 >= MAXPATHL) 4401 { 4402 EMSG(_(e_pathtoolong)); 4403 goto error_return; 4404 } 4405 STRCPY(ff_expand_buffer, search_ctx->ffsc_start_dir); 4406 add_pathsep(ff_expand_buffer); 4407 { 4408 int eb_len = (int)STRLEN(ff_expand_buffer); 4409 char_u *buf = alloc(eb_len 4410 + (int)STRLEN(search_ctx->ffsc_fix_path) + 1); 4411 4412 STRCPY(buf, ff_expand_buffer); 4413 STRCPY(buf + eb_len, search_ctx->ffsc_fix_path); 4414 if (mch_isdir(buf)) 4415 { 4416 STRCAT(ff_expand_buffer, search_ctx->ffsc_fix_path); 4417 add_pathsep(ff_expand_buffer); 4418 } 4419 #ifdef FEAT_PATH_EXTRA 4420 else 4421 { 4422 char_u *p = gettail(search_ctx->ffsc_fix_path); 4423 char_u *wc_path = NULL; 4424 char_u *temp = NULL; 4425 int len = 0; 4426 4427 if (p > search_ctx->ffsc_fix_path) 4428 { 4429 len = (int)(p - search_ctx->ffsc_fix_path) - 1; 4430 STRNCAT(ff_expand_buffer, search_ctx->ffsc_fix_path, len); 4431 add_pathsep(ff_expand_buffer); 4432 } 4433 else 4434 len = (int)STRLEN(search_ctx->ffsc_fix_path); 4435 4436 if (search_ctx->ffsc_wc_path != NULL) 4437 { 4438 wc_path = vim_strsave(search_ctx->ffsc_wc_path); 4439 temp = alloc((int)(STRLEN(search_ctx->ffsc_wc_path) 4440 + STRLEN(search_ctx->ffsc_fix_path + len) 4441 + 1)); 4442 if (temp == NULL || wc_path == NULL) 4443 { 4444 vim_free(buf); 4445 vim_free(temp); 4446 vim_free(wc_path); 4447 goto error_return; 4448 } 4449 4450 STRCPY(temp, search_ctx->ffsc_fix_path + len); 4451 STRCAT(temp, search_ctx->ffsc_wc_path); 4452 vim_free(search_ctx->ffsc_wc_path); 4453 vim_free(wc_path); 4454 search_ctx->ffsc_wc_path = temp; 4455 } 4456 } 4457 #endif 4458 vim_free(buf); 4459 } 4460 4461 sptr = ff_create_stack_element(ff_expand_buffer, 4462 #ifdef FEAT_PATH_EXTRA 4463 search_ctx->ffsc_wc_path, 4464 #endif 4465 level, 0); 4466 4467 if (sptr == NULL) 4468 goto error_return; 4469 4470 ff_push(search_ctx, sptr); 4471 4472 search_ctx->ffsc_file_to_search = vim_strsave(filename); 4473 if (search_ctx->ffsc_file_to_search == NULL) 4474 goto error_return; 4475 4476 return search_ctx; 4477 4478 error_return: 4479 /* 4480 * We clear the search context now! 4481 * Even when the caller gave us a (perhaps valid) context we free it here, 4482 * as we might have already destroyed it. 4483 */ 4484 vim_findfile_cleanup(search_ctx); 4485 return NULL; 4486 } 4487 4488 #if defined(FEAT_PATH_EXTRA) || defined(PROTO) 4489 /* 4490 * Get the stopdir string. Check that ';' is not escaped. 4491 */ 4492 char_u * 4493 vim_findfile_stopdir(char_u *buf) 4494 { 4495 char_u *r_ptr = buf; 4496 4497 while (*r_ptr != NUL && *r_ptr != ';') 4498 { 4499 if (r_ptr[0] == '\\' && r_ptr[1] == ';') 4500 { 4501 /* Overwrite the escape char, 4502 * use STRLEN(r_ptr) to move the trailing '\0'. */ 4503 STRMOVE(r_ptr, r_ptr + 1); 4504 r_ptr++; 4505 } 4506 r_ptr++; 4507 } 4508 if (*r_ptr == ';') 4509 { 4510 *r_ptr = 0; 4511 r_ptr++; 4512 } 4513 else if (*r_ptr == NUL) 4514 r_ptr = NULL; 4515 return r_ptr; 4516 } 4517 #endif 4518 4519 /* 4520 * Clean up the given search context. Can handle a NULL pointer. 4521 */ 4522 void 4523 vim_findfile_cleanup(void *ctx) 4524 { 4525 if (ctx == NULL) 4526 return; 4527 4528 vim_findfile_free_visited(ctx); 4529 ff_clear(ctx); 4530 vim_free(ctx); 4531 } 4532 4533 /* 4534 * Find a file in a search context. 4535 * The search context was created with vim_findfile_init() above. 4536 * Return a pointer to an allocated file name or NULL if nothing found. 4537 * To get all matching files call this function until you get NULL. 4538 * 4539 * If the passed search_context is NULL, NULL is returned. 4540 * 4541 * The search algorithm is depth first. To change this replace the 4542 * stack with a list (don't forget to leave partly searched directories on the 4543 * top of the list). 4544 */ 4545 char_u * 4546 vim_findfile(void *search_ctx_arg) 4547 { 4548 char_u *file_path; 4549 #ifdef FEAT_PATH_EXTRA 4550 char_u *rest_of_wildcards; 4551 char_u *path_end = NULL; 4552 #endif 4553 ff_stack_T *stackp; 4554 #if defined(FEAT_SEARCHPATH) || defined(FEAT_PATH_EXTRA) 4555 int len; 4556 #endif 4557 int i; 4558 char_u *p; 4559 #ifdef FEAT_SEARCHPATH 4560 char_u *suf; 4561 #endif 4562 ff_search_ctx_T *search_ctx; 4563 4564 if (search_ctx_arg == NULL) 4565 return NULL; 4566 4567 search_ctx = (ff_search_ctx_T *)search_ctx_arg; 4568 4569 /* 4570 * filepath is used as buffer for various actions and as the storage to 4571 * return a found filename. 4572 */ 4573 if ((file_path = alloc((int)MAXPATHL)) == NULL) 4574 return NULL; 4575 4576 #ifdef FEAT_PATH_EXTRA 4577 /* store the end of the start dir -- needed for upward search */ 4578 if (search_ctx->ffsc_start_dir != NULL) 4579 path_end = &search_ctx->ffsc_start_dir[ 4580 STRLEN(search_ctx->ffsc_start_dir)]; 4581 #endif 4582 4583 #ifdef FEAT_PATH_EXTRA 4584 /* upward search loop */ 4585 for (;;) 4586 { 4587 #endif 4588 /* downward search loop */ 4589 for (;;) 4590 { 4591 /* check if user user wants to stop the search*/ 4592 ui_breakcheck(); 4593 if (got_int) 4594 break; 4595 4596 /* get directory to work on from stack */ 4597 stackp = ff_pop(search_ctx); 4598 if (stackp == NULL) 4599 break; 4600 4601 /* 4602 * TODO: decide if we leave this test in 4603 * 4604 * GOOD: don't search a directory(-tree) twice. 4605 * BAD: - check linked list for every new directory entered. 4606 * - check for double files also done below 4607 * 4608 * Here we check if we already searched this directory. 4609 * We already searched a directory if: 4610 * 1) The directory is the same. 4611 * 2) We would use the same wildcard string. 4612 * 4613 * Good if you have links on same directory via several ways 4614 * or you have selfreferences in directories (e.g. SuSE Linux 6.3: 4615 * /etc/rc.d/init.d is linked to /etc/rc.d -> endless loop) 4616 * 4617 * This check is only needed for directories we work on for the 4618 * first time (hence stackp->ff_filearray == NULL) 4619 */ 4620 if (stackp->ffs_filearray == NULL 4621 && ff_check_visited(&search_ctx->ffsc_dir_visited_list 4622 ->ffvl_visited_list, 4623 stackp->ffs_fix_path 4624 #ifdef FEAT_PATH_EXTRA 4625 , stackp->ffs_wc_path 4626 #endif 4627 ) == FAIL) 4628 { 4629 #ifdef FF_VERBOSE 4630 if (p_verbose >= 5) 4631 { 4632 verbose_enter_scroll(); 4633 smsg((char_u *)"Already Searched: %s (%s)", 4634 stackp->ffs_fix_path, stackp->ffs_wc_path); 4635 /* don't overwrite this either */ 4636 msg_puts((char_u *)"\n"); 4637 verbose_leave_scroll(); 4638 } 4639 #endif 4640 ff_free_stack_element(stackp); 4641 continue; 4642 } 4643 #ifdef FF_VERBOSE 4644 else if (p_verbose >= 5) 4645 { 4646 verbose_enter_scroll(); 4647 smsg((char_u *)"Searching: %s (%s)", 4648 stackp->ffs_fix_path, stackp->ffs_wc_path); 4649 /* don't overwrite this either */ 4650 msg_puts((char_u *)"\n"); 4651 verbose_leave_scroll(); 4652 } 4653 #endif 4654 4655 /* check depth */ 4656 if (stackp->ffs_level <= 0) 4657 { 4658 ff_free_stack_element(stackp); 4659 continue; 4660 } 4661 4662 file_path[0] = NUL; 4663 4664 /* 4665 * If no filearray till now expand wildcards 4666 * The function expand_wildcards() can handle an array of paths 4667 * and all possible expands are returned in one array. We use this 4668 * to handle the expansion of '**' into an empty string. 4669 */ 4670 if (stackp->ffs_filearray == NULL) 4671 { 4672 char_u *dirptrs[2]; 4673 4674 /* we use filepath to build the path expand_wildcards() should 4675 * expand. 4676 */ 4677 dirptrs[0] = file_path; 4678 dirptrs[1] = NULL; 4679 4680 /* if we have a start dir copy it in */ 4681 if (!vim_isAbsName(stackp->ffs_fix_path) 4682 && search_ctx->ffsc_start_dir) 4683 { 4684 if (STRLEN(search_ctx->ffsc_start_dir) + 1 < MAXPATHL) 4685 { 4686 STRCPY(file_path, search_ctx->ffsc_start_dir); 4687 add_pathsep(file_path); 4688 } 4689 else 4690 goto fail; 4691 } 4692 4693 /* append the fix part of the search path */ 4694 if (STRLEN(file_path) + STRLEN(stackp->ffs_fix_path) + 1 < MAXPATHL) 4695 { 4696 STRCAT(file_path, stackp->ffs_fix_path); 4697 add_pathsep(file_path); 4698 } 4699 else 4700 goto fail; 4701 4702 #ifdef FEAT_PATH_EXTRA 4703 rest_of_wildcards = stackp->ffs_wc_path; 4704 if (*rest_of_wildcards != NUL) 4705 { 4706 len = (int)STRLEN(file_path); 4707 if (STRNCMP(rest_of_wildcards, "**", 2) == 0) 4708 { 4709 /* pointer to the restrict byte 4710 * The restrict byte is not a character! 4711 */ 4712 p = rest_of_wildcards + 2; 4713 4714 if (*p > 0) 4715 { 4716 (*p)--; 4717 if (len + 1 < MAXPATHL) 4718 file_path[len++] = '*'; 4719 else 4720 goto fail; 4721 } 4722 4723 if (*p == 0) 4724 { 4725 /* remove '**<numb> from wildcards */ 4726 STRMOVE(rest_of_wildcards, rest_of_wildcards + 3); 4727 } 4728 else 4729 rest_of_wildcards += 3; 4730 4731 if (stackp->ffs_star_star_empty == 0) 4732 { 4733 /* if not done before, expand '**' to empty */ 4734 stackp->ffs_star_star_empty = 1; 4735 dirptrs[1] = stackp->ffs_fix_path; 4736 } 4737 } 4738 4739 /* 4740 * Here we copy until the next path separator or the end of 4741 * the path. If we stop at a path separator, there is 4742 * still something else left. This is handled below by 4743 * pushing every directory returned from expand_wildcards() 4744 * on the stack again for further search. 4745 */ 4746 while (*rest_of_wildcards 4747 && !vim_ispathsep(*rest_of_wildcards)) 4748 if (len + 1 < MAXPATHL) 4749 file_path[len++] = *rest_of_wildcards++; 4750 else 4751 goto fail; 4752 4753 file_path[len] = NUL; 4754 if (vim_ispathsep(*rest_of_wildcards)) 4755 rest_of_wildcards++; 4756 } 4757 #endif 4758 4759 /* 4760 * Expand wildcards like "*" and "$VAR". 4761 * If the path is a URL don't try this. 4762 */ 4763 if (path_with_url(dirptrs[0])) 4764 { 4765 stackp->ffs_filearray = (char_u **) 4766 alloc((unsigned)sizeof(char *)); 4767 if (stackp->ffs_filearray != NULL 4768 && (stackp->ffs_filearray[0] 4769 = vim_strsave(dirptrs[0])) != NULL) 4770 stackp->ffs_filearray_size = 1; 4771 else 4772 stackp->ffs_filearray_size = 0; 4773 } 4774 else 4775 /* Add EW_NOTWILD because the expanded path may contain 4776 * wildcard characters that are to be taken literally. 4777 * This is a bit of a hack. */ 4778 expand_wildcards((dirptrs[1] == NULL) ? 1 : 2, dirptrs, 4779 &stackp->ffs_filearray_size, 4780 &stackp->ffs_filearray, 4781 EW_DIR|EW_ADDSLASH|EW_SILENT|EW_NOTWILD); 4782 4783 stackp->ffs_filearray_cur = 0; 4784 stackp->ffs_stage = 0; 4785 } 4786 #ifdef FEAT_PATH_EXTRA 4787 else 4788 rest_of_wildcards = &stackp->ffs_wc_path[ 4789 STRLEN(stackp->ffs_wc_path)]; 4790 #endif 4791 4792 if (stackp->ffs_stage == 0) 4793 { 4794 /* this is the first time we work on this directory */ 4795 #ifdef FEAT_PATH_EXTRA 4796 if (*rest_of_wildcards == NUL) 4797 #endif 4798 { 4799 /* 4800 * We don't have further wildcards to expand, so we have to 4801 * check for the final file now. 4802 */ 4803 for (i = stackp->ffs_filearray_cur; 4804 i < stackp->ffs_filearray_size; ++i) 4805 { 4806 if (!path_with_url(stackp->ffs_filearray[i]) 4807 && !mch_isdir(stackp->ffs_filearray[i])) 4808 continue; /* not a directory */ 4809 4810 /* prepare the filename to be checked for existence 4811 * below */ 4812 if (STRLEN(stackp->ffs_filearray[i]) + 1 4813 + STRLEN(search_ctx->ffsc_file_to_search) < MAXPATHL) 4814 { 4815 STRCPY(file_path, stackp->ffs_filearray[i]); 4816 add_pathsep(file_path); 4817 STRCAT(file_path, search_ctx->ffsc_file_to_search); 4818 } 4819 else 4820 goto fail; 4821 4822 /* 4823 * Try without extra suffix and then with suffixes 4824 * from 'suffixesadd'. 4825 */ 4826 #ifdef FEAT_SEARCHPATH 4827 len = (int)STRLEN(file_path); 4828 if (search_ctx->ffsc_tagfile) 4829 suf = (char_u *)""; 4830 else 4831 suf = curbuf->b_p_sua; 4832 for (;;) 4833 #endif 4834 { 4835 /* if file exists and we didn't already find it */ 4836 if ((path_with_url(file_path) 4837 || (mch_getperm(file_path) >= 0 4838 && (search_ctx->ffsc_find_what 4839 == FINDFILE_BOTH 4840 || ((search_ctx->ffsc_find_what 4841 == FINDFILE_DIR) 4842 == mch_isdir(file_path))))) 4843 #ifndef FF_VERBOSE 4844 && (ff_check_visited( 4845 &search_ctx->ffsc_visited_list->ffvl_visited_list, 4846 file_path 4847 #ifdef FEAT_PATH_EXTRA 4848 , (char_u *)"" 4849 #endif 4850 ) == OK) 4851 #endif 4852 ) 4853 { 4854 #ifdef FF_VERBOSE 4855 if (ff_check_visited( 4856 &search_ctx->ffsc_visited_list->ffvl_visited_list, 4857 file_path 4858 #ifdef FEAT_PATH_EXTRA 4859 , (char_u *)"" 4860 #endif 4861 ) == FAIL) 4862 { 4863 if (p_verbose >= 5) 4864 { 4865 verbose_enter_scroll(); 4866 smsg((char_u *)"Already: %s", 4867 file_path); 4868 /* don't overwrite this either */ 4869 msg_puts((char_u *)"\n"); 4870 verbose_leave_scroll(); 4871 } 4872 continue; 4873 } 4874 #endif 4875 4876 /* push dir to examine rest of subdirs later */ 4877 stackp->ffs_filearray_cur = i + 1; 4878 ff_push(search_ctx, stackp); 4879 4880 if (!path_with_url(file_path)) 4881 simplify_filename(file_path); 4882 if (mch_dirname(ff_expand_buffer, MAXPATHL) 4883 == OK) 4884 { 4885 p = shorten_fname(file_path, 4886 ff_expand_buffer); 4887 if (p != NULL) 4888 STRMOVE(file_path, p); 4889 } 4890 #ifdef FF_VERBOSE 4891 if (p_verbose >= 5) 4892 { 4893 verbose_enter_scroll(); 4894 smsg((char_u *)"HIT: %s", file_path); 4895 /* don't overwrite this either */ 4896 msg_puts((char_u *)"\n"); 4897 verbose_leave_scroll(); 4898 } 4899 #endif 4900 return file_path; 4901 } 4902 4903 #ifdef FEAT_SEARCHPATH 4904 /* Not found or found already, try next suffix. */ 4905 if (*suf == NUL) 4906 break; 4907 copy_option_part(&suf, file_path + len, 4908 MAXPATHL - len, ","); 4909 #endif 4910 } 4911 } 4912 } 4913 #ifdef FEAT_PATH_EXTRA 4914 else 4915 { 4916 /* 4917 * still wildcards left, push the directories for further 4918 * search 4919 */ 4920 for (i = stackp->ffs_filearray_cur; 4921 i < stackp->ffs_filearray_size; ++i) 4922 { 4923 if (!mch_isdir(stackp->ffs_filearray[i])) 4924 continue; /* not a directory */ 4925 4926 ff_push(search_ctx, 4927 ff_create_stack_element( 4928 stackp->ffs_filearray[i], 4929 rest_of_wildcards, 4930 stackp->ffs_level - 1, 0)); 4931 } 4932 } 4933 #endif 4934 stackp->ffs_filearray_cur = 0; 4935 stackp->ffs_stage = 1; 4936 } 4937 4938 #ifdef FEAT_PATH_EXTRA 4939 /* 4940 * if wildcards contains '**' we have to descent till we reach the 4941 * leaves of the directory tree. 4942 */ 4943 if (STRNCMP(stackp->ffs_wc_path, "**", 2) == 0) 4944 { 4945 for (i = stackp->ffs_filearray_cur; 4946 i < stackp->ffs_filearray_size; ++i) 4947 { 4948 if (fnamecmp(stackp->ffs_filearray[i], 4949 stackp->ffs_fix_path) == 0) 4950 continue; /* don't repush same directory */ 4951 if (!mch_isdir(stackp->ffs_filearray[i])) 4952 continue; /* not a directory */ 4953 ff_push(search_ctx, 4954 ff_create_stack_element(stackp->ffs_filearray[i], 4955 stackp->ffs_wc_path, stackp->ffs_level - 1, 1)); 4956 } 4957 } 4958 #endif 4959 4960 /* we are done with the current directory */ 4961 ff_free_stack_element(stackp); 4962 4963 } 4964 4965 #ifdef FEAT_PATH_EXTRA 4966 /* If we reached this, we didn't find anything downwards. 4967 * Let's check if we should do an upward search. 4968 */ 4969 if (search_ctx->ffsc_start_dir 4970 && search_ctx->ffsc_stopdirs_v != NULL && !got_int) 4971 { 4972 ff_stack_T *sptr; 4973 4974 /* is the last starting directory in the stop list? */ 4975 if (ff_path_in_stoplist(search_ctx->ffsc_start_dir, 4976 (int)(path_end - search_ctx->ffsc_start_dir), 4977 search_ctx->ffsc_stopdirs_v) == TRUE) 4978 break; 4979 4980 /* cut of last dir */ 4981 while (path_end > search_ctx->ffsc_start_dir 4982 && vim_ispathsep(*path_end)) 4983 path_end--; 4984 while (path_end > search_ctx->ffsc_start_dir 4985 && !vim_ispathsep(path_end[-1])) 4986 path_end--; 4987 *path_end = 0; 4988 path_end--; 4989 4990 if (*search_ctx->ffsc_start_dir == 0) 4991 break; 4992 4993 if (STRLEN(search_ctx->ffsc_start_dir) + 1 4994 + STRLEN(search_ctx->ffsc_fix_path) < MAXPATHL) 4995 { 4996 STRCPY(file_path, search_ctx->ffsc_start_dir); 4997 add_pathsep(file_path); 4998 STRCAT(file_path, search_ctx->ffsc_fix_path); 4999 } 5000 else 5001 goto fail; 5002 5003 /* create a new stack entry */ 5004 sptr = ff_create_stack_element(file_path, 5005 search_ctx->ffsc_wc_path, search_ctx->ffsc_level, 0); 5006 if (sptr == NULL) 5007 break; 5008 ff_push(search_ctx, sptr); 5009 } 5010 else 5011 break; 5012 } 5013 #endif 5014 5015 fail: 5016 vim_free(file_path); 5017 return NULL; 5018 } 5019 5020 /* 5021 * Free the list of lists of visited files and directories 5022 * Can handle it if the passed search_context is NULL; 5023 */ 5024 void 5025 vim_findfile_free_visited(void *search_ctx_arg) 5026 { 5027 ff_search_ctx_T *search_ctx; 5028 5029 if (search_ctx_arg == NULL) 5030 return; 5031 5032 search_ctx = (ff_search_ctx_T *)search_ctx_arg; 5033 vim_findfile_free_visited_list(&search_ctx->ffsc_visited_lists_list); 5034 vim_findfile_free_visited_list(&search_ctx->ffsc_dir_visited_lists_list); 5035 } 5036 5037 static void 5038 vim_findfile_free_visited_list(ff_visited_list_hdr_T **list_headp) 5039 { 5040 ff_visited_list_hdr_T *vp; 5041 5042 while (*list_headp != NULL) 5043 { 5044 vp = (*list_headp)->ffvl_next; 5045 ff_free_visited_list((*list_headp)->ffvl_visited_list); 5046 5047 vim_free((*list_headp)->ffvl_filename); 5048 vim_free(*list_headp); 5049 *list_headp = vp; 5050 } 5051 *list_headp = NULL; 5052 } 5053 5054 static void 5055 ff_free_visited_list(ff_visited_T *vl) 5056 { 5057 ff_visited_T *vp; 5058 5059 while (vl != NULL) 5060 { 5061 vp = vl->ffv_next; 5062 #ifdef FEAT_PATH_EXTRA 5063 vim_free(vl->ffv_wc_path); 5064 #endif 5065 vim_free(vl); 5066 vl = vp; 5067 } 5068 vl = NULL; 5069 } 5070 5071 /* 5072 * Returns the already visited list for the given filename. If none is found it 5073 * allocates a new one. 5074 */ 5075 static ff_visited_list_hdr_T* 5076 ff_get_visited_list( 5077 char_u *filename, 5078 ff_visited_list_hdr_T **list_headp) 5079 { 5080 ff_visited_list_hdr_T *retptr = NULL; 5081 5082 /* check if a visited list for the given filename exists */ 5083 if (*list_headp != NULL) 5084 { 5085 retptr = *list_headp; 5086 while (retptr != NULL) 5087 { 5088 if (fnamecmp(filename, retptr->ffvl_filename) == 0) 5089 { 5090 #ifdef FF_VERBOSE 5091 if (p_verbose >= 5) 5092 { 5093 verbose_enter_scroll(); 5094 smsg((char_u *)"ff_get_visited_list: FOUND list for %s", 5095 filename); 5096 /* don't overwrite this either */ 5097 msg_puts((char_u *)"\n"); 5098 verbose_leave_scroll(); 5099 } 5100 #endif 5101 return retptr; 5102 } 5103 retptr = retptr->ffvl_next; 5104 } 5105 } 5106 5107 #ifdef FF_VERBOSE 5108 if (p_verbose >= 5) 5109 { 5110 verbose_enter_scroll(); 5111 smsg((char_u *)"ff_get_visited_list: new list for %s", filename); 5112 /* don't overwrite this either */ 5113 msg_puts((char_u *)"\n"); 5114 verbose_leave_scroll(); 5115 } 5116 #endif 5117 5118 /* 5119 * if we reach this we didn't find a list and we have to allocate new list 5120 */ 5121 retptr = (ff_visited_list_hdr_T*)alloc((unsigned)sizeof(*retptr)); 5122 if (retptr == NULL) 5123 return NULL; 5124 5125 retptr->ffvl_visited_list = NULL; 5126 retptr->ffvl_filename = vim_strsave(filename); 5127 if (retptr->ffvl_filename == NULL) 5128 { 5129 vim_free(retptr); 5130 return NULL; 5131 } 5132 retptr->ffvl_next = *list_headp; 5133 *list_headp = retptr; 5134 5135 return retptr; 5136 } 5137 5138 #ifdef FEAT_PATH_EXTRA 5139 /* 5140 * check if two wildcard paths are equal. Returns TRUE or FALSE. 5141 * They are equal if: 5142 * - both paths are NULL 5143 * - they have the same length 5144 * - char by char comparison is OK 5145 * - the only differences are in the counters behind a '**', so 5146 * '**\20' is equal to '**\24' 5147 */ 5148 static int 5149 ff_wc_equal(char_u *s1, char_u *s2) 5150 { 5151 int i, j; 5152 int c1 = NUL; 5153 int c2 = NUL; 5154 int prev1 = NUL; 5155 int prev2 = NUL; 5156 5157 if (s1 == s2) 5158 return TRUE; 5159 5160 if (s1 == NULL || s2 == NULL) 5161 return FALSE; 5162 5163 for (i = 0, j = 0; s1[i] != NUL && s2[j] != NUL;) 5164 { 5165 c1 = PTR2CHAR(s1 + i); 5166 c2 = PTR2CHAR(s2 + j); 5167 5168 if ((p_fic ? MB_TOLOWER(c1) != MB_TOLOWER(c2) : c1 != c2) 5169 && (prev1 != '*' || prev2 != '*')) 5170 return FALSE; 5171 prev2 = prev1; 5172 prev1 = c1; 5173 5174 i += MB_PTR2LEN(s1 + i); 5175 j += MB_PTR2LEN(s2 + j); 5176 } 5177 return s1[i] == s2[j]; 5178 } 5179 #endif 5180 5181 /* 5182 * maintains the list of already visited files and dirs 5183 * returns FAIL if the given file/dir is already in the list 5184 * returns OK if it is newly added 5185 * 5186 * TODO: What to do on memory allocation problems? 5187 * -> return TRUE - Better the file is found several times instead of 5188 * never. 5189 */ 5190 static int 5191 ff_check_visited( 5192 ff_visited_T **visited_list, 5193 char_u *fname 5194 #ifdef FEAT_PATH_EXTRA 5195 , char_u *wc_path 5196 #endif 5197 ) 5198 { 5199 ff_visited_T *vp; 5200 #ifdef UNIX 5201 stat_T st; 5202 int url = FALSE; 5203 #endif 5204 5205 /* For an URL we only compare the name, otherwise we compare the 5206 * device/inode (unix) or the full path name (not Unix). */ 5207 if (path_with_url(fname)) 5208 { 5209 vim_strncpy(ff_expand_buffer, fname, MAXPATHL - 1); 5210 #ifdef UNIX 5211 url = TRUE; 5212 #endif 5213 } 5214 else 5215 { 5216 ff_expand_buffer[0] = NUL; 5217 #ifdef UNIX 5218 if (mch_stat((char *)fname, &st) < 0) 5219 #else 5220 if (vim_FullName(fname, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) 5221 #endif 5222 return FAIL; 5223 } 5224 5225 /* check against list of already visited files */ 5226 for (vp = *visited_list; vp != NULL; vp = vp->ffv_next) 5227 { 5228 if ( 5229 #ifdef UNIX 5230 !url ? (vp->ffv_dev_valid && vp->ffv_dev == st.st_dev 5231 && vp->ffv_ino == st.st_ino) 5232 : 5233 #endif 5234 fnamecmp(vp->ffv_fname, ff_expand_buffer) == 0 5235 ) 5236 { 5237 #ifdef FEAT_PATH_EXTRA 5238 /* are the wildcard parts equal */ 5239 if (ff_wc_equal(vp->ffv_wc_path, wc_path) == TRUE) 5240 #endif 5241 /* already visited */ 5242 return FAIL; 5243 } 5244 } 5245 5246 /* 5247 * New file/dir. Add it to the list of visited files/dirs. 5248 */ 5249 vp = (ff_visited_T *)alloc((unsigned)(sizeof(ff_visited_T) 5250 + STRLEN(ff_expand_buffer))); 5251 5252 if (vp != NULL) 5253 { 5254 #ifdef UNIX 5255 if (!url) 5256 { 5257 vp->ffv_dev_valid = TRUE; 5258 vp->ffv_ino = st.st_ino; 5259 vp->ffv_dev = st.st_dev; 5260 vp->ffv_fname[0] = NUL; 5261 } 5262 else 5263 { 5264 vp->ffv_dev_valid = FALSE; 5265 #endif 5266 STRCPY(vp->ffv_fname, ff_expand_buffer); 5267 #ifdef UNIX 5268 } 5269 #endif 5270 #ifdef FEAT_PATH_EXTRA 5271 if (wc_path != NULL) 5272 vp->ffv_wc_path = vim_strsave(wc_path); 5273 else 5274 vp->ffv_wc_path = NULL; 5275 #endif 5276 5277 vp->ffv_next = *visited_list; 5278 *visited_list = vp; 5279 } 5280 5281 return OK; 5282 } 5283 5284 /* 5285 * create stack element from given path pieces 5286 */ 5287 static ff_stack_T * 5288 ff_create_stack_element( 5289 char_u *fix_part, 5290 #ifdef FEAT_PATH_EXTRA 5291 char_u *wc_part, 5292 #endif 5293 int level, 5294 int star_star_empty) 5295 { 5296 ff_stack_T *new; 5297 5298 new = (ff_stack_T *)alloc((unsigned)sizeof(ff_stack_T)); 5299 if (new == NULL) 5300 return NULL; 5301 5302 new->ffs_prev = NULL; 5303 new->ffs_filearray = NULL; 5304 new->ffs_filearray_size = 0; 5305 new->ffs_filearray_cur = 0; 5306 new->ffs_stage = 0; 5307 new->ffs_level = level; 5308 new->ffs_star_star_empty = star_star_empty; 5309 5310 /* the following saves NULL pointer checks in vim_findfile */ 5311 if (fix_part == NULL) 5312 fix_part = (char_u *)""; 5313 new->ffs_fix_path = vim_strsave(fix_part); 5314 5315 #ifdef FEAT_PATH_EXTRA 5316 if (wc_part == NULL) 5317 wc_part = (char_u *)""; 5318 new->ffs_wc_path = vim_strsave(wc_part); 5319 #endif 5320 5321 if (new->ffs_fix_path == NULL 5322 #ifdef FEAT_PATH_EXTRA 5323 || new->ffs_wc_path == NULL 5324 #endif 5325 ) 5326 { 5327 ff_free_stack_element(new); 5328 new = NULL; 5329 } 5330 5331 return new; 5332 } 5333 5334 /* 5335 * Push a dir on the directory stack. 5336 */ 5337 static void 5338 ff_push(ff_search_ctx_T *search_ctx, ff_stack_T *stack_ptr) 5339 { 5340 /* check for NULL pointer, not to return an error to the user, but 5341 * to prevent a crash */ 5342 if (stack_ptr != NULL) 5343 { 5344 stack_ptr->ffs_prev = search_ctx->ffsc_stack_ptr; 5345 search_ctx->ffsc_stack_ptr = stack_ptr; 5346 } 5347 } 5348 5349 /* 5350 * Pop a dir from the directory stack. 5351 * Returns NULL if stack is empty. 5352 */ 5353 static ff_stack_T * 5354 ff_pop(ff_search_ctx_T *search_ctx) 5355 { 5356 ff_stack_T *sptr; 5357 5358 sptr = search_ctx->ffsc_stack_ptr; 5359 if (search_ctx->ffsc_stack_ptr != NULL) 5360 search_ctx->ffsc_stack_ptr = search_ctx->ffsc_stack_ptr->ffs_prev; 5361 5362 return sptr; 5363 } 5364 5365 /* 5366 * free the given stack element 5367 */ 5368 static void 5369 ff_free_stack_element(ff_stack_T *stack_ptr) 5370 { 5371 /* vim_free handles possible NULL pointers */ 5372 vim_free(stack_ptr->ffs_fix_path); 5373 #ifdef FEAT_PATH_EXTRA 5374 vim_free(stack_ptr->ffs_wc_path); 5375 #endif 5376 5377 if (stack_ptr->ffs_filearray != NULL) 5378 FreeWild(stack_ptr->ffs_filearray_size, stack_ptr->ffs_filearray); 5379 5380 vim_free(stack_ptr); 5381 } 5382 5383 /* 5384 * Clear the search context, but NOT the visited list. 5385 */ 5386 static void 5387 ff_clear(ff_search_ctx_T *search_ctx) 5388 { 5389 ff_stack_T *sptr; 5390 5391 /* clear up stack */ 5392 while ((sptr = ff_pop(search_ctx)) != NULL) 5393 ff_free_stack_element(sptr); 5394 5395 vim_free(search_ctx->ffsc_file_to_search); 5396 vim_free(search_ctx->ffsc_start_dir); 5397 vim_free(search_ctx->ffsc_fix_path); 5398 #ifdef FEAT_PATH_EXTRA 5399 vim_free(search_ctx->ffsc_wc_path); 5400 #endif 5401 5402 #ifdef FEAT_PATH_EXTRA 5403 if (search_ctx->ffsc_stopdirs_v != NULL) 5404 { 5405 int i = 0; 5406 5407 while (search_ctx->ffsc_stopdirs_v[i] != NULL) 5408 { 5409 vim_free(search_ctx->ffsc_stopdirs_v[i]); 5410 i++; 5411 } 5412 vim_free(search_ctx->ffsc_stopdirs_v); 5413 } 5414 search_ctx->ffsc_stopdirs_v = NULL; 5415 #endif 5416 5417 /* reset everything */ 5418 search_ctx->ffsc_file_to_search = NULL; 5419 search_ctx->ffsc_start_dir = NULL; 5420 search_ctx->ffsc_fix_path = NULL; 5421 #ifdef FEAT_PATH_EXTRA 5422 search_ctx->ffsc_wc_path = NULL; 5423 search_ctx->ffsc_level = 0; 5424 #endif 5425 } 5426 5427 #ifdef FEAT_PATH_EXTRA 5428 /* 5429 * check if the given path is in the stopdirs 5430 * returns TRUE if yes else FALSE 5431 */ 5432 static int 5433 ff_path_in_stoplist(char_u *path, int path_len, char_u **stopdirs_v) 5434 { 5435 int i = 0; 5436 5437 /* eat up trailing path separators, except the first */ 5438 while (path_len > 1 && vim_ispathsep(path[path_len - 1])) 5439 path_len--; 5440 5441 /* if no path consider it as match */ 5442 if (path_len == 0) 5443 return TRUE; 5444 5445 for (i = 0; stopdirs_v[i] != NULL; i++) 5446 { 5447 if ((int)STRLEN(stopdirs_v[i]) > path_len) 5448 { 5449 /* match for parent directory. So '/home' also matches 5450 * '/home/rks'. Check for PATHSEP in stopdirs_v[i], else 5451 * '/home/r' would also match '/home/rks' 5452 */ 5453 if (fnamencmp(stopdirs_v[i], path, path_len) == 0 5454 && vim_ispathsep(stopdirs_v[i][path_len])) 5455 return TRUE; 5456 } 5457 else 5458 { 5459 if (fnamecmp(stopdirs_v[i], path) == 0) 5460 return TRUE; 5461 } 5462 } 5463 return FALSE; 5464 } 5465 #endif 5466 5467 #if defined(FEAT_SEARCHPATH) || defined(PROTO) 5468 /* 5469 * Find the file name "ptr[len]" in the path. Also finds directory names. 5470 * 5471 * On the first call set the parameter 'first' to TRUE to initialize 5472 * the search. For repeating calls to FALSE. 5473 * 5474 * Repeating calls will return other files called 'ptr[len]' from the path. 5475 * 5476 * Only on the first call 'ptr' and 'len' are used. For repeating calls they 5477 * don't need valid values. 5478 * 5479 * If nothing found on the first call the option FNAME_MESS will issue the 5480 * message: 5481 * 'Can't find file "<file>" in path' 5482 * On repeating calls: 5483 * 'No more file "<file>" found in path' 5484 * 5485 * options: 5486 * FNAME_MESS give error message when not found 5487 * 5488 * Uses NameBuff[]! 5489 * 5490 * Returns an allocated string for the file name. NULL for error. 5491 * 5492 */ 5493 char_u * 5494 find_file_in_path( 5495 char_u *ptr, /* file name */ 5496 int len, /* length of file name */ 5497 int options, 5498 int first, /* use count'th matching file name */ 5499 char_u *rel_fname) /* file name searching relative to */ 5500 { 5501 return find_file_in_path_option(ptr, len, options, first, 5502 *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path, 5503 FINDFILE_BOTH, rel_fname, curbuf->b_p_sua); 5504 } 5505 5506 static char_u *ff_file_to_find = NULL; 5507 static void *fdip_search_ctx = NULL; 5508 5509 #if defined(EXITFREE) 5510 static void 5511 free_findfile(void) 5512 { 5513 vim_free(ff_file_to_find); 5514 vim_findfile_cleanup(fdip_search_ctx); 5515 } 5516 #endif 5517 5518 /* 5519 * Find the directory name "ptr[len]" in the path. 5520 * 5521 * options: 5522 * FNAME_MESS give error message when not found 5523 * FNAME_UNESC unescape backslashes. 5524 * 5525 * Uses NameBuff[]! 5526 * 5527 * Returns an allocated string for the file name. NULL for error. 5528 */ 5529 char_u * 5530 find_directory_in_path( 5531 char_u *ptr, /* file name */ 5532 int len, /* length of file name */ 5533 int options, 5534 char_u *rel_fname) /* file name searching relative to */ 5535 { 5536 return find_file_in_path_option(ptr, len, options, TRUE, p_cdpath, 5537 FINDFILE_DIR, rel_fname, (char_u *)""); 5538 } 5539 5540 char_u * 5541 find_file_in_path_option( 5542 char_u *ptr, /* file name */ 5543 int len, /* length of file name */ 5544 int options, 5545 int first, /* use count'th matching file name */ 5546 char_u *path_option, /* p_path or p_cdpath */ 5547 int find_what, /* FINDFILE_FILE, _DIR or _BOTH */ 5548 char_u *rel_fname, /* file name we are looking relative to. */ 5549 char_u *suffixes) /* list of suffixes, 'suffixesadd' option */ 5550 { 5551 static char_u *dir; 5552 static int did_findfile_init = FALSE; 5553 char_u save_char; 5554 char_u *file_name = NULL; 5555 char_u *buf = NULL; 5556 int rel_to_curdir; 5557 #ifdef AMIGA 5558 struct Process *proc = (struct Process *)FindTask(0L); 5559 APTR save_winptr = proc->pr_WindowPtr; 5560 5561 /* Avoid a requester here for a volume that doesn't exist. */ 5562 proc->pr_WindowPtr = (APTR)-1L; 5563 #endif 5564 5565 if (first == TRUE) 5566 { 5567 /* copy file name into NameBuff, expanding environment variables */ 5568 save_char = ptr[len]; 5569 ptr[len] = NUL; 5570 expand_env_esc(ptr, NameBuff, MAXPATHL, FALSE, TRUE, NULL); 5571 ptr[len] = save_char; 5572 5573 vim_free(ff_file_to_find); 5574 ff_file_to_find = vim_strsave(NameBuff); 5575 if (ff_file_to_find == NULL) /* out of memory */ 5576 { 5577 file_name = NULL; 5578 goto theend; 5579 } 5580 if (options & FNAME_UNESC) 5581 { 5582 /* Change all "\ " to " ". */ 5583 for (ptr = ff_file_to_find; *ptr != NUL; ++ptr) 5584 if (ptr[0] == '\\' && ptr[1] == ' ') 5585 mch_memmove(ptr, ptr + 1, STRLEN(ptr)); 5586 } 5587 } 5588 5589 rel_to_curdir = (ff_file_to_find[0] == '.' 5590 && (ff_file_to_find[1] == NUL 5591 || vim_ispathsep(ff_file_to_find[1]) 5592 || (ff_file_to_find[1] == '.' 5593 && (ff_file_to_find[2] == NUL 5594 || vim_ispathsep(ff_file_to_find[2]))))); 5595 if (vim_isAbsName(ff_file_to_find) 5596 /* "..", "../path", "." and "./path": don't use the path_option */ 5597 || rel_to_curdir 5598 #if defined(MSWIN) 5599 /* handle "\tmp" as absolute path */ 5600 || vim_ispathsep(ff_file_to_find[0]) 5601 /* handle "c:name" as absolute path */ 5602 || (ff_file_to_find[0] != NUL && ff_file_to_find[1] == ':') 5603 #endif 5604 #ifdef AMIGA 5605 /* handle ":tmp" as absolute path */ 5606 || ff_file_to_find[0] == ':' 5607 #endif 5608 ) 5609 { 5610 /* 5611 * Absolute path, no need to use "path_option". 5612 * If this is not a first call, return NULL. We already returned a 5613 * filename on the first call. 5614 */ 5615 if (first == TRUE) 5616 { 5617 int l; 5618 int run; 5619 5620 if (path_with_url(ff_file_to_find)) 5621 { 5622 file_name = vim_strsave(ff_file_to_find); 5623 goto theend; 5624 } 5625 5626 /* When FNAME_REL flag given first use the directory of the file. 5627 * Otherwise or when this fails use the current directory. */ 5628 for (run = 1; run <= 2; ++run) 5629 { 5630 l = (int)STRLEN(ff_file_to_find); 5631 if (run == 1 5632 && rel_to_curdir 5633 && (options & FNAME_REL) 5634 && rel_fname != NULL 5635 && STRLEN(rel_fname) + l < MAXPATHL) 5636 { 5637 STRCPY(NameBuff, rel_fname); 5638 STRCPY(gettail(NameBuff), ff_file_to_find); 5639 l = (int)STRLEN(NameBuff); 5640 } 5641 else 5642 { 5643 STRCPY(NameBuff, ff_file_to_find); 5644 run = 2; 5645 } 5646 5647 /* When the file doesn't exist, try adding parts of 5648 * 'suffixesadd'. */ 5649 buf = suffixes; 5650 for (;;) 5651 { 5652 if (mch_getperm(NameBuff) >= 0 5653 && (find_what == FINDFILE_BOTH 5654 || ((find_what == FINDFILE_DIR) 5655 == mch_isdir(NameBuff)))) 5656 { 5657 file_name = vim_strsave(NameBuff); 5658 goto theend; 5659 } 5660 if (*buf == NUL) 5661 break; 5662 copy_option_part(&buf, NameBuff + l, MAXPATHL - l, ","); 5663 } 5664 } 5665 } 5666 } 5667 else 5668 { 5669 /* 5670 * Loop over all paths in the 'path' or 'cdpath' option. 5671 * When "first" is set, first setup to the start of the option. 5672 * Otherwise continue to find the next match. 5673 */ 5674 if (first == TRUE) 5675 { 5676 /* vim_findfile_free_visited can handle a possible NULL pointer */ 5677 vim_findfile_free_visited(fdip_search_ctx); 5678 dir = path_option; 5679 did_findfile_init = FALSE; 5680 } 5681 5682 for (;;) 5683 { 5684 if (did_findfile_init) 5685 { 5686 file_name = vim_findfile(fdip_search_ctx); 5687 if (file_name != NULL) 5688 break; 5689 5690 did_findfile_init = FALSE; 5691 } 5692 else 5693 { 5694 char_u *r_ptr; 5695 5696 if (dir == NULL || *dir == NUL) 5697 { 5698 /* We searched all paths of the option, now we can 5699 * free the search context. */ 5700 vim_findfile_cleanup(fdip_search_ctx); 5701 fdip_search_ctx = NULL; 5702 break; 5703 } 5704 5705 if ((buf = alloc((int)(MAXPATHL))) == NULL) 5706 break; 5707 5708 /* copy next path */ 5709 buf[0] = 0; 5710 copy_option_part(&dir, buf, MAXPATHL, " ,"); 5711 5712 #ifdef FEAT_PATH_EXTRA 5713 /* get the stopdir string */ 5714 r_ptr = vim_findfile_stopdir(buf); 5715 #else 5716 r_ptr = NULL; 5717 #endif 5718 fdip_search_ctx = vim_findfile_init(buf, ff_file_to_find, 5719 r_ptr, 100, FALSE, find_what, 5720 fdip_search_ctx, FALSE, rel_fname); 5721 if (fdip_search_ctx != NULL) 5722 did_findfile_init = TRUE; 5723 vim_free(buf); 5724 } 5725 } 5726 } 5727 if (file_name == NULL && (options & FNAME_MESS)) 5728 { 5729 if (first == TRUE) 5730 { 5731 if (find_what == FINDFILE_DIR) 5732 EMSG2(_("E344: Can't find directory \"%s\" in cdpath"), 5733 ff_file_to_find); 5734 else 5735 EMSG2(_("E345: Can't find file \"%s\" in path"), 5736 ff_file_to_find); 5737 } 5738 else 5739 { 5740 if (find_what == FINDFILE_DIR) 5741 EMSG2(_("E346: No more directory \"%s\" found in cdpath"), 5742 ff_file_to_find); 5743 else 5744 EMSG2(_("E347: No more file \"%s\" found in path"), 5745 ff_file_to_find); 5746 } 5747 } 5748 5749 theend: 5750 #ifdef AMIGA 5751 proc->pr_WindowPtr = save_winptr; 5752 #endif 5753 return file_name; 5754 } 5755 5756 #endif /* FEAT_SEARCHPATH */ 5757 5758 /* 5759 * Change directory to "new_dir". If FEAT_SEARCHPATH is defined, search 5760 * 'cdpath' for relative directory names, otherwise just mch_chdir(). 5761 */ 5762 int 5763 vim_chdir(char_u *new_dir) 5764 { 5765 #ifndef FEAT_SEARCHPATH 5766 return mch_chdir((char *)new_dir); 5767 #else 5768 char_u *dir_name; 5769 int r; 5770 5771 dir_name = find_directory_in_path(new_dir, (int)STRLEN(new_dir), 5772 FNAME_MESS, curbuf->b_ffname); 5773 if (dir_name == NULL) 5774 return -1; 5775 r = mch_chdir((char *)dir_name); 5776 vim_free(dir_name); 5777 return r; 5778 #endif 5779 } 5780 5781 /* 5782 * Get user name from machine-specific function. 5783 * Returns the user name in "buf[len]". 5784 * Some systems are quite slow in obtaining the user name (Windows NT), thus 5785 * cache the result. 5786 * Returns OK or FAIL. 5787 */ 5788 int 5789 get_user_name(char_u *buf, int len) 5790 { 5791 if (username == NULL) 5792 { 5793 if (mch_get_user_name(buf, len) == FAIL) 5794 return FAIL; 5795 username = vim_strsave(buf); 5796 } 5797 else 5798 vim_strncpy(buf, username, len - 1); 5799 return OK; 5800 } 5801 5802 #ifndef HAVE_QSORT 5803 /* 5804 * Our own qsort(), for systems that don't have it. 5805 * It's simple and slow. From the K&R C book. 5806 */ 5807 void 5808 qsort( 5809 void *base, 5810 size_t elm_count, 5811 size_t elm_size, 5812 int (*cmp)(const void *, const void *)) 5813 { 5814 char_u *buf; 5815 char_u *p1; 5816 char_u *p2; 5817 int i, j; 5818 int gap; 5819 5820 buf = alloc((unsigned)elm_size); 5821 if (buf == NULL) 5822 return; 5823 5824 for (gap = elm_count / 2; gap > 0; gap /= 2) 5825 for (i = gap; i < elm_count; ++i) 5826 for (j = i - gap; j >= 0; j -= gap) 5827 { 5828 /* Compare the elements. */ 5829 p1 = (char_u *)base + j * elm_size; 5830 p2 = (char_u *)base + (j + gap) * elm_size; 5831 if ((*cmp)((void *)p1, (void *)p2) <= 0) 5832 break; 5833 /* Exchange the elements. */ 5834 mch_memmove(buf, p1, elm_size); 5835 mch_memmove(p1, p2, elm_size); 5836 mch_memmove(p2, buf, elm_size); 5837 } 5838 5839 vim_free(buf); 5840 } 5841 #endif 5842 5843 /* 5844 * Sort an array of strings. 5845 */ 5846 static int 5847 #ifdef __BORLANDC__ 5848 _RTLENTRYF 5849 #endif 5850 sort_compare(const void *s1, const void *s2); 5851 5852 static int 5853 #ifdef __BORLANDC__ 5854 _RTLENTRYF 5855 #endif 5856 sort_compare(const void *s1, const void *s2) 5857 { 5858 return STRCMP(*(char **)s1, *(char **)s2); 5859 } 5860 5861 void 5862 sort_strings( 5863 char_u **files, 5864 int count) 5865 { 5866 qsort((void *)files, (size_t)count, sizeof(char_u *), sort_compare); 5867 } 5868 5869 #if !defined(NO_EXPANDPATH) || defined(PROTO) 5870 /* 5871 * Compare path "p[]" to "q[]". 5872 * If "maxlen" >= 0 compare "p[maxlen]" to "q[maxlen]" 5873 * Return value like strcmp(p, q), but consider path separators. 5874 */ 5875 int 5876 pathcmp(const char *p, const char *q, int maxlen) 5877 { 5878 int i, j; 5879 int c1, c2; 5880 const char *s = NULL; 5881 5882 for (i = 0, j = 0; maxlen < 0 || (i < maxlen && j < maxlen);) 5883 { 5884 c1 = PTR2CHAR((char_u *)p + i); 5885 c2 = PTR2CHAR((char_u *)q + j); 5886 5887 /* End of "p": check if "q" also ends or just has a slash. */ 5888 if (c1 == NUL) 5889 { 5890 if (c2 == NUL) /* full match */ 5891 return 0; 5892 s = q; 5893 i = j; 5894 break; 5895 } 5896 5897 /* End of "q": check if "p" just has a slash. */ 5898 if (c2 == NUL) 5899 { 5900 s = p; 5901 break; 5902 } 5903 5904 if ((p_fic ? MB_TOUPPER(c1) != MB_TOUPPER(c2) : c1 != c2) 5905 #ifdef BACKSLASH_IN_FILENAME 5906 /* consider '/' and '\\' to be equal */ 5907 && !((c1 == '/' && c2 == '\\') 5908 || (c1 == '\\' && c2 == '/')) 5909 #endif 5910 ) 5911 { 5912 if (vim_ispathsep(c1)) 5913 return -1; 5914 if (vim_ispathsep(c2)) 5915 return 1; 5916 return p_fic ? MB_TOUPPER(c1) - MB_TOUPPER(c2) 5917 : c1 - c2; /* no match */ 5918 } 5919 5920 i += MB_PTR2LEN((char_u *)p + i); 5921 j += MB_PTR2LEN((char_u *)q + j); 5922 } 5923 if (s == NULL) /* "i" or "j" ran into "maxlen" */ 5924 return 0; 5925 5926 c1 = PTR2CHAR((char_u *)s + i); 5927 c2 = PTR2CHAR((char_u *)s + i + MB_PTR2LEN((char_u *)s + i)); 5928 /* ignore a trailing slash, but not "//" or ":/" */ 5929 if (c2 == NUL 5930 && i > 0 5931 && !after_pathsep((char_u *)s, (char_u *)s + i) 5932 #ifdef BACKSLASH_IN_FILENAME 5933 && (c1 == '/' || c1 == '\\') 5934 #else 5935 && c1 == '/' 5936 #endif 5937 ) 5938 return 0; /* match with trailing slash */ 5939 if (s == q) 5940 return -1; /* no match */ 5941 return 1; 5942 } 5943 #endif 5944 5945 /* 5946 * The putenv() implementation below comes from the "screen" program. 5947 * Included with permission from Juergen Weigert. 5948 * See pty.c for the copyright notice. 5949 */ 5950 5951 /* 5952 * putenv -- put value into environment 5953 * 5954 * Usage: i = putenv (string) 5955 * int i; 5956 * char *string; 5957 * 5958 * where string is of the form <name>=<value>. 5959 * Putenv returns 0 normally, -1 on error (not enough core for malloc). 5960 * 5961 * Putenv may need to add a new name into the environment, or to 5962 * associate a value longer than the current value with a particular 5963 * name. So, to make life simpler, putenv() copies your entire 5964 * environment into the heap (i.e. malloc()) from the stack 5965 * (i.e. where it resides when your process is initiated) the first 5966 * time you call it. 5967 * 5968 * (history removed, not very interesting. See the "screen" sources.) 5969 */ 5970 5971 #if !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) 5972 5973 #define EXTRASIZE 5 /* increment to add to env. size */ 5974 5975 static int envsize = -1; /* current size of environment */ 5976 extern char **environ; /* the global which is your env. */ 5977 5978 static int findenv(char *name); /* look for a name in the env. */ 5979 static int newenv(void); /* copy env. from stack to heap */ 5980 static int moreenv(void); /* incr. size of env. */ 5981 5982 int 5983 putenv(const char *string) 5984 { 5985 int i; 5986 char *p; 5987 5988 if (envsize < 0) 5989 { /* first time putenv called */ 5990 if (newenv() < 0) /* copy env. to heap */ 5991 return -1; 5992 } 5993 5994 i = findenv((char *)string); /* look for name in environment */ 5995 5996 if (i < 0) 5997 { /* name must be added */ 5998 for (i = 0; environ[i]; i++); 5999 if (i >= (envsize - 1)) 6000 { /* need new slot */ 6001 if (moreenv() < 0) 6002 return -1; 6003 } 6004 p = (char *)alloc((unsigned)(strlen(string) + 1)); 6005 if (p == NULL) /* not enough core */ 6006 return -1; 6007 environ[i + 1] = 0; /* new end of env. */ 6008 } 6009 else 6010 { /* name already in env. */ 6011 p = vim_realloc(environ[i], strlen(string) + 1); 6012 if (p == NULL) 6013 return -1; 6014 } 6015 sprintf(p, "%s", string); /* copy into env. */ 6016 environ[i] = p; 6017 6018 return 0; 6019 } 6020 6021 static int 6022 findenv(char *name) 6023 { 6024 char *namechar, *envchar; 6025 int i, found; 6026 6027 found = 0; 6028 for (i = 0; environ[i] && !found; i++) 6029 { 6030 envchar = environ[i]; 6031 namechar = name; 6032 while (*namechar && *namechar != '=' && (*namechar == *envchar)) 6033 { 6034 namechar++; 6035 envchar++; 6036 } 6037 found = ((*namechar == '\0' || *namechar == '=') && *envchar == '='); 6038 } 6039 return found ? i - 1 : -1; 6040 } 6041 6042 static int 6043 newenv(void) 6044 { 6045 char **env, *elem; 6046 int i, esize; 6047 6048 for (i = 0; environ[i]; i++) 6049 ; 6050 6051 esize = i + EXTRASIZE + 1; 6052 env = (char **)alloc((unsigned)(esize * sizeof (elem))); 6053 if (env == NULL) 6054 return -1; 6055 6056 for (i = 0; environ[i]; i++) 6057 { 6058 elem = (char *)alloc((unsigned)(strlen(environ[i]) + 1)); 6059 if (elem == NULL) 6060 return -1; 6061 env[i] = elem; 6062 strcpy(elem, environ[i]); 6063 } 6064 6065 env[i] = 0; 6066 environ = env; 6067 envsize = esize; 6068 return 0; 6069 } 6070 6071 static int 6072 moreenv(void) 6073 { 6074 int esize; 6075 char **env; 6076 6077 esize = envsize + EXTRASIZE; 6078 env = (char **)vim_realloc((char *)environ, esize * sizeof (*env)); 6079 if (env == 0) 6080 return -1; 6081 environ = env; 6082 envsize = esize; 6083 return 0; 6084 } 6085 6086 # ifdef USE_VIMPTY_GETENV 6087 /* 6088 * Used for mch_getenv() for Mac. 6089 */ 6090 char_u * 6091 vimpty_getenv(const char_u *string) 6092 { 6093 int i; 6094 char_u *p; 6095 6096 if (envsize < 0) 6097 return NULL; 6098 6099 i = findenv((char *)string); 6100 6101 if (i < 0) 6102 return NULL; 6103 6104 p = vim_strchr((char_u *)environ[i], '='); 6105 return (p + 1); 6106 } 6107 # endif 6108 6109 #endif /* !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) */ 6110 6111 #if defined(FEAT_EVAL) || defined(FEAT_SPELL) || defined(PROTO) 6112 /* 6113 * Return 0 for not writable, 1 for writable file, 2 for a dir which we have 6114 * rights to write into. 6115 */ 6116 int 6117 filewritable(char_u *fname) 6118 { 6119 int retval = 0; 6120 #if defined(UNIX) || defined(VMS) 6121 int perm = 0; 6122 #endif 6123 6124 #if defined(UNIX) || defined(VMS) 6125 perm = mch_getperm(fname); 6126 #endif 6127 if ( 6128 # ifdef WIN3264 6129 mch_writable(fname) && 6130 # else 6131 # if defined(UNIX) || defined(VMS) 6132 (perm & 0222) && 6133 # endif 6134 # endif 6135 mch_access((char *)fname, W_OK) == 0 6136 ) 6137 { 6138 ++retval; 6139 if (mch_isdir(fname)) 6140 ++retval; 6141 } 6142 return retval; 6143 } 6144 #endif 6145 6146 #if defined(FEAT_SPELL) || defined(FEAT_PERSISTENT_UNDO) || defined(PROTO) 6147 /* 6148 * Read 2 bytes from "fd" and turn them into an int, MSB first. 6149 * Returns -1 when encountering EOF. 6150 */ 6151 int 6152 get2c(FILE *fd) 6153 { 6154 int c, n; 6155 6156 n = getc(fd); 6157 if (n == EOF) return -1; 6158 c = getc(fd); 6159 if (c == EOF) return -1; 6160 return (n << 8) + c; 6161 } 6162 6163 /* 6164 * Read 3 bytes from "fd" and turn them into an int, MSB first. 6165 * Returns -1 when encountering EOF. 6166 */ 6167 int 6168 get3c(FILE *fd) 6169 { 6170 int c, n; 6171 6172 n = getc(fd); 6173 if (n == EOF) return -1; 6174 c = getc(fd); 6175 if (c == EOF) return -1; 6176 n = (n << 8) + c; 6177 c = getc(fd); 6178 if (c == EOF) return -1; 6179 return (n << 8) + c; 6180 } 6181 6182 /* 6183 * Read 4 bytes from "fd" and turn them into an int, MSB first. 6184 * Returns -1 when encountering EOF. 6185 */ 6186 int 6187 get4c(FILE *fd) 6188 { 6189 int c; 6190 /* Use unsigned rather than int otherwise result is undefined 6191 * when left-shift sets the MSB. */ 6192 unsigned n; 6193 6194 c = getc(fd); 6195 if (c == EOF) return -1; 6196 n = (unsigned)c; 6197 c = getc(fd); 6198 if (c == EOF) return -1; 6199 n = (n << 8) + (unsigned)c; 6200 c = getc(fd); 6201 if (c == EOF) return -1; 6202 n = (n << 8) + (unsigned)c; 6203 c = getc(fd); 6204 if (c == EOF) return -1; 6205 n = (n << 8) + (unsigned)c; 6206 return (int)n; 6207 } 6208 6209 /* 6210 * Read 8 bytes from "fd" and turn them into a time_T, MSB first. 6211 * Returns -1 when encountering EOF. 6212 */ 6213 time_T 6214 get8ctime(FILE *fd) 6215 { 6216 int c; 6217 time_T n = 0; 6218 int i; 6219 6220 for (i = 0; i < 8; ++i) 6221 { 6222 c = getc(fd); 6223 if (c == EOF) return -1; 6224 n = (n << 8) + c; 6225 } 6226 return n; 6227 } 6228 6229 /* 6230 * Read a string of length "cnt" from "fd" into allocated memory. 6231 * Returns NULL when out of memory or unable to read that many bytes. 6232 */ 6233 char_u * 6234 read_string(FILE *fd, int cnt) 6235 { 6236 char_u *str; 6237 int i; 6238 int c; 6239 6240 /* allocate memory */ 6241 str = alloc((unsigned)cnt + 1); 6242 if (str != NULL) 6243 { 6244 /* Read the string. Quit when running into the EOF. */ 6245 for (i = 0; i < cnt; ++i) 6246 { 6247 c = getc(fd); 6248 if (c == EOF) 6249 { 6250 vim_free(str); 6251 return NULL; 6252 } 6253 str[i] = c; 6254 } 6255 str[i] = NUL; 6256 } 6257 return str; 6258 } 6259 6260 /* 6261 * Write a number to file "fd", MSB first, in "len" bytes. 6262 */ 6263 int 6264 put_bytes(FILE *fd, long_u nr, int len) 6265 { 6266 int i; 6267 6268 for (i = len - 1; i >= 0; --i) 6269 if (putc((int)(nr >> (i * 8)), fd) == EOF) 6270 return FAIL; 6271 return OK; 6272 } 6273 6274 #ifdef _MSC_VER 6275 # if (_MSC_VER <= 1200) 6276 /* This line is required for VC6 without the service pack. Also see the 6277 * matching #pragma below. */ 6278 # pragma optimize("", off) 6279 # endif 6280 #endif 6281 6282 /* 6283 * Write time_T to file "fd" in 8 bytes. 6284 * Returns FAIL when the write failed. 6285 */ 6286 int 6287 put_time(FILE *fd, time_T the_time) 6288 { 6289 char_u buf[8]; 6290 6291 time_to_bytes(the_time, buf); 6292 return fwrite(buf, (size_t)8, (size_t)1, fd) == 1 ? OK : FAIL; 6293 } 6294 6295 /* 6296 * Write time_T to "buf[8]". 6297 */ 6298 void 6299 time_to_bytes(time_T the_time, char_u *buf) 6300 { 6301 int c; 6302 int i; 6303 int bi = 0; 6304 time_T wtime = the_time; 6305 6306 /* time_T can be up to 8 bytes in size, more than long_u, thus we 6307 * can't use put_bytes() here. 6308 * Another problem is that ">>" may do an arithmetic shift that keeps the 6309 * sign. This happens for large values of wtime. A cast to long_u may 6310 * truncate if time_T is 8 bytes. So only use a cast when it is 4 bytes, 6311 * it's safe to assume that long_u is 4 bytes or more and when using 8 6312 * bytes the top bit won't be set. */ 6313 for (i = 7; i >= 0; --i) 6314 { 6315 if (i + 1 > (int)sizeof(time_T)) 6316 /* ">>" doesn't work well when shifting more bits than avail */ 6317 buf[bi++] = 0; 6318 else 6319 { 6320 #if defined(SIZEOF_TIME_T) && SIZEOF_TIME_T > 4 6321 c = (int)(wtime >> (i * 8)); 6322 #else 6323 c = (int)((long_u)wtime >> (i * 8)); 6324 #endif 6325 buf[bi++] = c; 6326 } 6327 } 6328 } 6329 6330 #ifdef _MSC_VER 6331 # if (_MSC_VER <= 1200) 6332 # pragma optimize("", on) 6333 # endif 6334 #endif 6335 6336 #endif 6337 6338 #if (defined(FEAT_MBYTE) && defined(FEAT_QUICKFIX)) \ 6339 || defined(FEAT_SPELL) || defined(PROTO) 6340 /* 6341 * Return TRUE if string "s" contains a non-ASCII character (128 or higher). 6342 * When "s" is NULL FALSE is returned. 6343 */ 6344 int 6345 has_non_ascii(char_u *s) 6346 { 6347 char_u *p; 6348 6349 if (s != NULL) 6350 for (p = s; *p != NUL; ++p) 6351 if (*p >= 128) 6352 return TRUE; 6353 return FALSE; 6354 } 6355 #endif 6356 6357 #if defined(MESSAGE_QUEUE) || defined(PROTO) 6358 /* 6359 * Process messages that have been queued for netbeans or clientserver. 6360 * Also check if any jobs have ended. 6361 * These functions can call arbitrary vimscript and should only be called when 6362 * it is safe to do so. 6363 */ 6364 void 6365 parse_queued_messages(void) 6366 { 6367 win_T *old_curwin = curwin; 6368 6369 /* For Win32 mch_breakcheck() does not check for input, do it here. */ 6370 # if defined(WIN32) && defined(FEAT_JOB_CHANNEL) 6371 channel_handle_events(FALSE); 6372 # endif 6373 6374 # ifdef FEAT_NETBEANS_INTG 6375 /* Process the queued netbeans messages. */ 6376 netbeans_parse_messages(); 6377 # endif 6378 # ifdef FEAT_JOB_CHANNEL 6379 /* Write any buffer lines still to be written. */ 6380 channel_write_any_lines(); 6381 6382 /* Process the messages queued on channels. */ 6383 channel_parse_messages(); 6384 # endif 6385 # if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11) 6386 /* Process the queued clientserver messages. */ 6387 server_parse_messages(); 6388 # endif 6389 # ifdef FEAT_JOB_CHANNEL 6390 /* Check if any jobs have ended. */ 6391 job_check_ended(); 6392 # endif 6393 6394 /* If the current window changed we need to bail out of the waiting loop. 6395 * E.g. when a job exit callback closes the terminal window. */ 6396 if (curwin != old_curwin) 6397 ins_char_typebuf(K_IGNORE); 6398 } 6399 #endif 6400 6401 #ifndef PROTO /* proto is defined in vim.h */ 6402 # ifdef ELAPSED_TIMEVAL 6403 /* 6404 * Return time in msec since "start_tv". 6405 */ 6406 long 6407 elapsed(struct timeval *start_tv) 6408 { 6409 struct timeval now_tv; 6410 6411 gettimeofday(&now_tv, NULL); 6412 return (now_tv.tv_sec - start_tv->tv_sec) * 1000L 6413 + (now_tv.tv_usec - start_tv->tv_usec) / 1000L; 6414 } 6415 # endif 6416 6417 # ifdef ELAPSED_TICKCOUNT 6418 /* 6419 * Return time in msec since "start_tick". 6420 */ 6421 long 6422 elapsed(DWORD start_tick) 6423 { 6424 DWORD now = GetTickCount(); 6425 6426 return (long)now - (long)start_tick; 6427 } 6428 # endif 6429 #endif 6430 6431 #if defined(FEAT_JOB_CHANNEL) \ 6432 || (defined(UNIX) && (!defined(USE_SYSTEM) \ 6433 || (defined(FEAT_GUI) && defined(FEAT_TERMINAL)))) \ 6434 || defined(PROTO) 6435 /* 6436 * Parse "cmd" and put the white-separated parts in "argv". 6437 * "argv" is an allocated array with "argc" entries and room for 4 more. 6438 * Returns FAIL when out of memory. 6439 */ 6440 int 6441 mch_parse_cmd(char_u *cmd, int use_shcf, char ***argv, int *argc) 6442 { 6443 int i; 6444 char_u *p, *d; 6445 int inquote; 6446 6447 /* 6448 * Do this loop twice: 6449 * 1: find number of arguments 6450 * 2: separate them and build argv[] 6451 */ 6452 for (i = 0; i < 2; ++i) 6453 { 6454 p = skipwhite(cmd); 6455 inquote = FALSE; 6456 *argc = 0; 6457 for (;;) 6458 { 6459 if (i == 1) 6460 (*argv)[*argc] = (char *)p; 6461 ++*argc; 6462 d = p; 6463 while (*p != NUL && (inquote || (*p != ' ' && *p != TAB))) 6464 { 6465 if (p[0] == '"') 6466 /* quotes surrounding an argument and are dropped */ 6467 inquote = !inquote; 6468 else 6469 { 6470 if (p[0] == '\\' && p[1] != NUL) 6471 { 6472 /* First pass: skip over "\ " and "\"". 6473 * Second pass: Remove the backslash. */ 6474 ++p; 6475 } 6476 if (i == 1) 6477 *d++ = *p; 6478 } 6479 ++p; 6480 } 6481 if (*p == NUL) 6482 { 6483 if (i == 1) 6484 *d++ = NUL; 6485 break; 6486 } 6487 if (i == 1) 6488 *d++ = NUL; 6489 p = skipwhite(p + 1); 6490 } 6491 if (*argv == NULL) 6492 { 6493 if (use_shcf) 6494 { 6495 /* Account for possible multiple args in p_shcf. */ 6496 p = p_shcf; 6497 for (;;) 6498 { 6499 p = skiptowhite(p); 6500 if (*p == NUL) 6501 break; 6502 ++*argc; 6503 p = skipwhite(p); 6504 } 6505 } 6506 6507 *argv = (char **)alloc((unsigned)((*argc + 4) * sizeof(char *))); 6508 if (*argv == NULL) /* out of memory */ 6509 return FAIL; 6510 } 6511 } 6512 return OK; 6513 } 6514 6515 # if defined(FEAT_JOB_CHANNEL) || defined(PROTO) 6516 /* 6517 * Build "argv[argc]" from the string "cmd". 6518 * "argv[argc]" is set to NULL; 6519 * Return FAIL when out of memory. 6520 */ 6521 int 6522 build_argv_from_string(char_u *cmd, char ***argv, int *argc) 6523 { 6524 char_u *cmd_copy; 6525 int i; 6526 6527 /* Make a copy, parsing will modify "cmd". */ 6528 cmd_copy = vim_strsave(cmd); 6529 if (cmd_copy == NULL 6530 || mch_parse_cmd(cmd_copy, FALSE, argv, argc) == FAIL) 6531 { 6532 vim_free(cmd_copy); 6533 return FAIL; 6534 } 6535 for (i = 0; i < *argc; i++) 6536 (*argv)[i] = (char *)vim_strsave((char_u *)(*argv)[i]); 6537 (*argv)[*argc] = NULL; 6538 vim_free(cmd_copy); 6539 return OK; 6540 } 6541 6542 /* 6543 * Build "argv[argc]" from the list "l". 6544 * "argv[argc]" is set to NULL; 6545 * Return FAIL when out of memory. 6546 */ 6547 int 6548 build_argv_from_list(list_T *l, char ***argv, int *argc) 6549 { 6550 listitem_T *li; 6551 char_u *s; 6552 6553 /* Pass argv[] to mch_call_shell(). */ 6554 *argv = (char **)alloc(sizeof(char *) * (l->lv_len + 1)); 6555 if (*argv == NULL) 6556 return FAIL; 6557 *argc = 0; 6558 for (li = l->lv_first; li != NULL; li = li->li_next) 6559 { 6560 s = get_tv_string_chk(&li->li_tv); 6561 if (s == NULL) 6562 { 6563 int i; 6564 6565 for (i = 0; i < *argc; ++i) 6566 vim_free((*argv)[i]); 6567 return FAIL; 6568 } 6569 (*argv)[*argc] = (char *)vim_strsave(s); 6570 *argc += 1; 6571 } 6572 (*argv)[*argc] = NULL; 6573 return OK; 6574 } 6575 # endif 6576 #endif 6577