1 /* vi:set ts=8 sts=4 sw=4: 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 * buffer.c: functions for dealing with the buffer structure 12 */ 13 14 /* 15 * The buffer list is a double linked list of all buffers. 16 * Each buffer can be in one of these states: 17 * never loaded: BF_NEVERLOADED is set, only the file name is valid 18 * not loaded: b_ml.ml_mfp == NULL, no memfile allocated 19 * hidden: b_nwindows == 0, loaded but not displayed in a window 20 * normal: loaded and displayed in a window 21 * 22 * Instead of storing file names all over the place, each file name is 23 * stored in the buffer list. It can be referenced by a number. 24 * 25 * The current implementation remembers all file names ever used. 26 */ 27 28 29 #include "vim.h" 30 31 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 32 static char_u *buflist_match __ARGS((regprog_T *prog, buf_T *buf)); 33 # define HAVE_BUFLIST_MATCH 34 static char_u *fname_match __ARGS((regprog_T *prog, char_u *name)); 35 #endif 36 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 37 static wininfo_T *find_wininfo __ARGS((buf_T *buf)); 38 #ifdef UNIX 39 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 40 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 41 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 42 #else 43 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 44 #endif 45 #ifdef FEAT_TITLE 46 static int ti_change __ARGS((char_u *str, char_u **last)); 47 #endif 48 static void free_buffer __ARGS((buf_T *)); 49 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 50 static void clear_wininfo __ARGS((buf_T *buf)); 51 52 #ifdef UNIX 53 # define dev_T dev_t 54 #else 55 # define dev_T unsigned 56 #endif 57 58 #if defined(FEAT_SIGNS) 59 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 60 static void buf_delete_signs __ARGS((buf_T *buf)); 61 #endif 62 63 /* 64 * Open current buffer, that is: open the memfile and read the file into memory 65 * return FAIL for failure, OK otherwise 66 */ 67 int 68 open_buffer(read_stdin, eap) 69 int read_stdin; /* read file from stdin */ 70 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 71 { 72 int retval = OK; 73 #ifdef FEAT_AUTOCMD 74 buf_T *old_curbuf; 75 #endif 76 77 /* 78 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 79 * When re-entering the same buffer, it should not change, because the 80 * user may have reset the flag by hand. 81 */ 82 if (readonlymode && curbuf->b_ffname != NULL 83 && (curbuf->b_flags & BF_NEVERLOADED)) 84 curbuf->b_p_ro = TRUE; 85 86 if (ml_open() == FAIL) 87 { 88 /* 89 * There MUST be a memfile, otherwise we can't do anything 90 * If we can't create one for the current buffer, take another buffer 91 */ 92 close_buffer(NULL, curbuf, 0); 93 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 94 if (curbuf->b_ml.ml_mfp != NULL) 95 break; 96 /* 97 * if there is no memfile at all, exit 98 * This is OK, since there are no changes to loose. 99 */ 100 if (curbuf == NULL) 101 { 102 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 103 getout(2); 104 } 105 EMSG(_("E83: Cannot allocate buffer, using other one...")); 106 enter_buffer(curbuf); 107 return FAIL; 108 } 109 110 #ifdef FEAT_AUTOCMD 111 /* The autocommands in readfile() may change the buffer, but only AFTER 112 * reading the file. */ 113 old_curbuf = curbuf; 114 modified_was_set = FALSE; 115 #endif 116 117 /* mark cursor position as being invalid */ 118 changed_line_abv_curs(); 119 120 if (curbuf->b_ffname != NULL 121 #ifdef FEAT_NETBEANS_INTG 122 && netbeansReadFile 123 #endif 124 ) 125 { 126 #ifdef FEAT_NETBEANS_INTG 127 int oldFire = netbeansFireChanges; 128 129 netbeansFireChanges = 0; 130 #endif 131 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 132 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_NEW); 133 #ifdef FEAT_NETBEANS_INTG 134 netbeansFireChanges = oldFire; 135 #endif 136 /* Help buffer is filtered. */ 137 if (curbuf->b_help) 138 fix_help_buffer(); 139 } 140 else if (read_stdin) 141 { 142 int save_bin = curbuf->b_p_bin; 143 linenr_T line_count; 144 145 /* 146 * First read the text in binary mode into the buffer. 147 * Then read from that same buffer and append at the end. This makes 148 * it possible to retry when 'fileformat' or 'fileencoding' was 149 * guessed wrong. 150 */ 151 curbuf->b_p_bin = TRUE; 152 retval = readfile(NULL, NULL, (linenr_T)0, 153 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW + READ_STDIN); 154 curbuf->b_p_bin = save_bin; 155 if (retval == OK) 156 { 157 line_count = curbuf->b_ml.ml_line_count; 158 retval = readfile(NULL, NULL, (linenr_T)line_count, 159 (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_BUFFER); 160 if (retval == OK) 161 { 162 /* Delete the binary lines. */ 163 while (--line_count >= 0) 164 ml_delete((linenr_T)1, FALSE); 165 } 166 else 167 { 168 /* Delete the converted lines. */ 169 while (curbuf->b_ml.ml_line_count > line_count) 170 ml_delete(line_count, FALSE); 171 } 172 /* Put the cursor on the first line. */ 173 curwin->w_cursor.lnum = 1; 174 curwin->w_cursor.col = 0; 175 #ifdef FEAT_AUTOCMD 176 # ifdef FEAT_EVAL 177 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 178 curbuf, &retval); 179 # else 180 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 181 # endif 182 #endif 183 } 184 } 185 186 /* if first time loading this buffer, init b_chartab[] */ 187 if (curbuf->b_flags & BF_NEVERLOADED) 188 (void)buf_init_chartab(curbuf, FALSE); 189 190 /* 191 * Set/reset the Changed flag first, autocmds may change the buffer. 192 * Apply the automatic commands, before processing the modelines. 193 * So the modelines have priority over auto commands. 194 */ 195 /* When reading stdin, the buffer contents always needs writing, so set 196 * the changed flag. Unless in readonly mode: "ls | gview -". 197 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 198 if ((read_stdin && !readonlymode && !bufempty()) 199 #ifdef FEAT_AUTOCMD 200 || modified_was_set /* ":set modified" used in autocmd */ 201 # ifdef FEAT_EVAL 202 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 203 # endif 204 #endif 205 || (got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) 206 changed(); 207 else if (retval != FAIL) 208 unchanged(curbuf, FALSE); 209 save_file_ff(curbuf); /* keep this fileformat */ 210 211 /* require "!" to overwrite the file, because it wasn't read completely */ 212 #ifdef FEAT_EVAL 213 if (aborting()) 214 #else 215 if (got_int) 216 #endif 217 curbuf->b_flags |= BF_READERR; 218 219 #ifdef FEAT_AUTOCMD 220 /* need to set w_topline, unless some autocommand already did that. */ 221 if (!(curwin->w_valid & VALID_TOPLINE)) 222 { 223 curwin->w_topline = 1; 224 # ifdef FEAT_DIFF 225 curwin->w_topfill = 0; 226 # endif 227 } 228 # ifdef FEAT_EVAL 229 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 230 # else 231 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 232 # endif 233 #endif 234 235 if (retval != FAIL) 236 { 237 #ifdef FEAT_AUTOCMD 238 /* 239 * The autocommands may have changed the current buffer. Apply the 240 * modelines to the correct buffer, if it still exists and is loaded. 241 */ 242 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 243 { 244 aco_save_T aco; 245 246 /* Go to the buffer that was opened. */ 247 aucmd_prepbuf(&aco, old_curbuf); 248 #endif 249 do_modelines(); 250 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 251 252 #ifdef FEAT_AUTOCMD 253 # ifdef FEAT_EVAL 254 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 255 &retval); 256 # else 257 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 258 # endif 259 260 /* restore curwin/curbuf and a few other things */ 261 aucmd_restbuf(&aco); 262 } 263 #endif 264 } 265 266 #ifdef FEAT_FOLDING 267 /* Need to update automatic folding. */ 268 foldUpdateAll(curwin); 269 #endif 270 271 return retval; 272 } 273 274 /* 275 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 276 */ 277 int 278 buf_valid(buf) 279 buf_T *buf; 280 { 281 buf_T *bp; 282 283 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 284 if (bp == buf) 285 return TRUE; 286 return FALSE; 287 } 288 289 /* 290 * Close the link to a buffer. 291 * "action" is used when there is no longer a window for the buffer. 292 * It can be: 293 * 0 buffer becomes hidden 294 * DOBUF_UNLOAD buffer is unloaded 295 * DOBUF_DELETE buffer is unloaded and removed from buffer list 296 * DOBUF_WIPE buffer is unloaded and really deleted 297 * When doing all but the first one on the current buffer, the caller should 298 * get a new buffer very soon! 299 * 300 * The 'bufhidden' option can force freeing and deleting. 301 */ 302 void 303 close_buffer(win, buf, action) 304 win_T *win; /* if not NULL, set b_last_cursor */ 305 buf_T *buf; 306 int action; 307 { 308 #ifdef FEAT_AUTOCMD 309 int is_curbuf; 310 int nwindows = buf->b_nwindows; 311 #endif 312 int unload_buf = (action != 0); 313 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 314 int wipe_buf = (action == DOBUF_WIPE); 315 316 #ifdef FEAT_QUICKFIX 317 /* 318 * Force unloading or deleting when 'bufhidden' says so. 319 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 320 * "hide" (otherwise we could never free or delete a buffer). 321 */ 322 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 323 { 324 del_buf = TRUE; 325 unload_buf = TRUE; 326 } 327 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 328 { 329 del_buf = TRUE; 330 unload_buf = TRUE; 331 wipe_buf = TRUE; 332 } 333 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 334 unload_buf = TRUE; 335 #endif 336 337 if (win != NULL) 338 { 339 /* Set b_last_cursor when closing the last window for the buffer. 340 * Remember the last cursor position and window options of the buffer. 341 * This used to be only for the current window, but then options like 342 * 'foldmethod' may be lost with a ":only" command. */ 343 if (buf->b_nwindows == 1) 344 set_last_cursor(win); 345 buflist_setfpos(buf, win, 346 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 347 win->w_cursor.col, TRUE); 348 } 349 350 #ifdef FEAT_AUTOCMD 351 /* When the buffer is no longer in a window, trigger BufWinLeave */ 352 if (buf->b_nwindows == 1) 353 { 354 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 355 FALSE, buf); 356 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 357 return; 358 359 /* When the buffer becomes hidden, but is not unloaded, trigger 360 * BufHidden */ 361 if (!unload_buf) 362 { 363 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 364 FALSE, buf); 365 if (!buf_valid(buf)) /* autocmds may delete the buffer */ 366 return; 367 } 368 # ifdef FEAT_EVAL 369 if (aborting()) /* autocmds may abort script processing */ 370 return; 371 # endif 372 } 373 nwindows = buf->b_nwindows; 374 #endif 375 376 /* decrease the link count from windows (unless not in any window) */ 377 if (buf->b_nwindows > 0) 378 --buf->b_nwindows; 379 380 /* Return when a window is displaying the buffer or when it's not 381 * unloaded. */ 382 if (buf->b_nwindows > 0 || !unload_buf) 383 { 384 if (buf == curbuf) 385 u_sync(); /* sync undo before going to another buffer */ 386 return; 387 } 388 389 /* Always remove the buffer when there is no file name. */ 390 if (buf->b_ffname == NULL) 391 del_buf = TRUE; 392 393 /* 394 * Free all things allocated for this buffer. 395 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 396 */ 397 #ifdef FEAT_AUTOCMD 398 /* Remember if we are closing the current buffer. Restore the number of 399 * windows, so that autocommands in buf_freeall() don't get confused. */ 400 is_curbuf = (buf == curbuf); 401 buf->b_nwindows = nwindows; 402 #endif 403 404 buf_freeall(buf, del_buf, wipe_buf); 405 406 #ifdef FEAT_AUTOCMD 407 /* Autocommands may have deleted the buffer. */ 408 if (!buf_valid(buf)) 409 return; 410 # ifdef FEAT_EVAL 411 /* Autocommands may abort script processing. */ 412 if (aborting()) 413 return; 414 # endif 415 416 /* Autocommands may have opened or closed windows for this buffer. 417 * Decrement the count for the close we do here. */ 418 if (buf->b_nwindows > 0) 419 --buf->b_nwindows; 420 421 /* 422 * It's possible that autocommands change curbuf to the one being deleted. 423 * This might cause the previous curbuf to be deleted unexpectedly. But 424 * in some cases it's OK to delete the curbuf, because a new one is 425 * obtained anyway. Therefore only return if curbuf changed to the 426 * deleted buffer. 427 */ 428 if (buf == curbuf && !is_curbuf) 429 return; 430 #endif 431 432 #ifdef FEAT_NETBEANS_INTG 433 if (usingNetbeans) 434 netbeans_file_closed(buf); 435 #endif 436 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 437 /* Change directories when the acd option is set on. */ 438 if (p_acd && curbuf->b_ffname != NULL 439 && vim_chdirfile(curbuf->b_ffname) == OK) 440 shorten_fnames(TRUE); 441 #endif 442 443 /* 444 * Remove the buffer from the list. 445 */ 446 if (wipe_buf) 447 { 448 #ifdef FEAT_SUN_WORKSHOP 449 if (usingSunWorkShop) 450 workshop_file_closed_lineno((char *)buf->b_ffname, 451 (int)buf->b_last_cursor.lnum); 452 #endif 453 vim_free(buf->b_ffname); 454 vim_free(buf->b_sfname); 455 if (buf->b_prev == NULL) 456 firstbuf = buf->b_next; 457 else 458 buf->b_prev->b_next = buf->b_next; 459 if (buf->b_next == NULL) 460 lastbuf = buf->b_prev; 461 else 462 buf->b_next->b_prev = buf->b_prev; 463 free_buffer(buf); 464 } 465 else 466 { 467 if (del_buf) 468 { 469 /* Free all internal variables and reset option values, to make 470 * ":bdel" compatible with Vim 5.7. */ 471 free_buffer_stuff(buf, TRUE); 472 473 /* Make it look like a new buffer. */ 474 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 475 476 /* Init the options when loaded again. */ 477 buf->b_p_initialized = FALSE; 478 } 479 buf_clear_file(buf); 480 if (del_buf) 481 buf->b_p_bl = FALSE; 482 } 483 } 484 485 /* 486 * Make buffer not contain a file. 487 */ 488 void 489 buf_clear_file(buf) 490 buf_T *buf; 491 { 492 buf->b_ml.ml_line_count = 1; 493 unchanged(buf, TRUE); 494 #ifndef SHORT_FNAME 495 buf->b_shortname = FALSE; 496 #endif 497 buf->b_p_eol = TRUE; 498 buf->b_start_eol = TRUE; 499 #ifdef FEAT_MBYTE 500 buf->b_p_bomb = FALSE; 501 #endif 502 buf->b_ml.ml_mfp = NULL; 503 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 504 #ifdef FEAT_NETBEANS_INTG 505 netbeans_deleted_all_lines(buf); 506 netbeansOpenFile = 0; /* reset in netbeans_file_opened() */ 507 #endif 508 } 509 510 /* 511 * buf_freeall() - free all things allocated for a buffer that are related to 512 * the file. 513 */ 514 /*ARGSUSED*/ 515 void 516 buf_freeall(buf, del_buf, wipe_buf) 517 buf_T *buf; 518 int del_buf; /* buffer is going to be deleted */ 519 int wipe_buf; /* buffer is going to be wiped out */ 520 { 521 #ifdef FEAT_AUTOCMD 522 int is_curbuf = (buf == curbuf); 523 524 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 525 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 526 return; 527 if (del_buf && buf->b_p_bl) 528 { 529 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 530 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 531 return; 532 } 533 if (wipe_buf) 534 { 535 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 536 FALSE, buf); 537 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 538 return; 539 } 540 # ifdef FEAT_EVAL 541 if (aborting()) /* autocmds may abort script processing */ 542 return; 543 # endif 544 545 /* 546 * It's possible that autocommands change curbuf to the one being deleted. 547 * This might cause curbuf to be deleted unexpectedly. But in some cases 548 * it's OK to delete the curbuf, because a new one is obtained anyway. 549 * Therefore only return if curbuf changed to the deleted buffer. 550 */ 551 if (buf == curbuf && !is_curbuf) 552 return; 553 #endif 554 #ifdef FEAT_DIFF 555 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 556 #endif 557 #ifdef FEAT_TCL 558 tcl_buffer_free(buf); 559 #endif 560 u_blockfree(buf); /* free the memory allocated for undo */ 561 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 562 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 563 u_clearall(buf); /* reset all undo information */ 564 #ifdef FEAT_SYN_HL 565 syntax_clear(buf); /* reset syntax info */ 566 #endif 567 } 568 569 /* 570 * Free a buffer structure and the things it contains related to the buffer 571 * itself (not the file, that must have been done already). 572 */ 573 static void 574 free_buffer(buf) 575 buf_T *buf; 576 { 577 free_buffer_stuff(buf, TRUE); 578 #ifdef FEAT_PERL 579 perl_buf_free(buf); 580 #endif 581 #ifdef FEAT_PYTHON 582 python_buffer_free(buf); 583 #endif 584 #ifdef FEAT_RUBY 585 ruby_buffer_free(buf); 586 #endif 587 vim_free(buf); 588 } 589 590 /* 591 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 592 */ 593 static void 594 free_buffer_stuff(buf, free_options) 595 buf_T *buf; 596 int free_options; /* free options as well */ 597 { 598 if (free_options) 599 { 600 clear_wininfo(buf); /* including window-local options */ 601 free_buf_options(buf, TRUE); 602 } 603 #ifdef FEAT_EVAL 604 var_clear(&buf->b_vars); /* free all internal variables */ 605 #endif 606 #ifdef FEAT_USR_CMDS 607 uc_clear(&buf->b_ucmds); /* clear local user commands */ 608 #endif 609 #ifdef FEAT_SIGNS 610 buf_delete_signs(buf); /* delete any signs */ 611 #endif 612 #ifdef FEAT_LOCALMAP 613 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 614 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 615 #endif 616 #ifdef FEAT_MBYTE 617 vim_free(buf->b_start_fenc); 618 buf->b_start_fenc = NULL; 619 #endif 620 } 621 622 /* 623 * Free the b_wininfo list for buffer "buf". 624 */ 625 static void 626 clear_wininfo(buf) 627 buf_T *buf; 628 { 629 wininfo_T *wip; 630 631 while (buf->b_wininfo != NULL) 632 { 633 wip = buf->b_wininfo; 634 buf->b_wininfo = wip->wi_next; 635 if (wip->wi_optset) 636 { 637 clear_winopt(&wip->wi_opt); 638 #ifdef FEAT_FOLDING 639 deleteFoldRecurse(&wip->wi_folds); 640 #endif 641 } 642 vim_free(wip); 643 } 644 } 645 646 #if defined(FEAT_LISTCMDS) || defined(PROTO) 647 /* 648 * Go to another buffer. Handles the result of the ATTENTION dialog. 649 */ 650 void 651 goto_buffer(eap, start, dir, count) 652 exarg_T *eap; 653 int start; 654 int dir; 655 int count; 656 { 657 # if defined(FEAT_WINDOWS) \ 658 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 659 buf_T *old_curbuf = curbuf; 660 661 swap_exists_action = SEA_DIALOG; 662 # endif 663 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 664 start, dir, count, eap->forceit); 665 # if defined(FEAT_WINDOWS) \ 666 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 667 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 668 { 669 /* Quitting means closing the split window, nothing else. */ 670 win_close(curwin, TRUE); 671 swap_exists_action = SEA_NONE; 672 } 673 else 674 handle_swap_exists(old_curbuf); 675 # endif 676 } 677 #endif 678 679 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) 680 /* 681 * Handle the situation of swap_exists_action being set. 682 * It is allowed for "old_curbuf" to be NULL or invalid. 683 */ 684 void 685 handle_swap_exists(old_curbuf) 686 buf_T *old_curbuf; 687 { 688 if (swap_exists_action == SEA_QUIT) 689 { 690 /* User selected Quit at ATTENTION prompt. Go back to previous 691 * buffer. If that buffer is gone or the same as the current one, 692 * open a new, empty buffer. */ 693 swap_exists_action = SEA_NONE; /* don't want it again */ 694 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 695 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 696 old_curbuf = buflist_new(NULL, NULL, 1L, 697 BLN_CURBUF | BLN_LISTED | BLN_FORCE); 698 if (old_curbuf != NULL) 699 enter_buffer(old_curbuf); 700 /* If "old_curbuf" is NULL we are in big trouble here... */ 701 } 702 else if (swap_exists_action == SEA_RECOVER) 703 { 704 /* User selected Recover at ATTENTION prompt. */ 705 msg_scroll = TRUE; 706 ml_recover(); 707 MSG_PUTS("\n"); /* don't overwrite the last message */ 708 cmdline_row = msg_row; 709 do_modelines(); 710 } 711 swap_exists_action = SEA_NONE; 712 } 713 #endif 714 715 #if defined(FEAT_LISTCMDS) || defined(PROTO) 716 /* 717 * do_bufdel() - delete or unload buffer(s) 718 * 719 * addr_count == 0: ":bdel" - delete current buffer 720 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 721 * buffer "end_bnr", then any other arguments. 722 * addr_count == 2: ":N,N bdel" - delete buffers in range 723 * 724 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 725 * DOBUF_DEL (":bdel") 726 * 727 * Returns error message or NULL 728 */ 729 char_u * 730 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 731 int command; 732 char_u *arg; /* pointer to extra arguments */ 733 int addr_count; 734 int start_bnr; /* first buffer number in a range */ 735 int end_bnr; /* buffer nr or last buffer nr in a range */ 736 int forceit; 737 { 738 int do_current = 0; /* delete current buffer? */ 739 int deleted = 0; /* number of buffers deleted */ 740 char_u *errormsg = NULL; /* return value */ 741 int bnr; /* buffer number */ 742 char_u *p; 743 744 #ifdef FEAT_NETBEANS_INTG 745 netbeansCloseFile = 1; 746 #endif 747 if (addr_count == 0) 748 { 749 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 750 } 751 else 752 { 753 if (addr_count == 2) 754 { 755 if (*arg) /* both range and argument is not allowed */ 756 return (char_u *)_(e_trailing); 757 bnr = start_bnr; 758 } 759 else /* addr_count == 1 */ 760 bnr = end_bnr; 761 762 for ( ;!got_int; ui_breakcheck()) 763 { 764 /* 765 * delete the current buffer last, otherwise when the 766 * current buffer is deleted, the next buffer becomes 767 * the current one and will be loaded, which may then 768 * also be deleted, etc. 769 */ 770 if (bnr == curbuf->b_fnum) 771 do_current = bnr; 772 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 773 forceit) == OK) 774 ++deleted; 775 776 /* 777 * find next buffer number to delete/unload 778 */ 779 if (addr_count == 2) 780 { 781 if (++bnr > end_bnr) 782 break; 783 } 784 else /* addr_count == 1 */ 785 { 786 arg = skipwhite(arg); 787 if (*arg == NUL) 788 break; 789 if (!VIM_ISDIGIT(*arg)) 790 { 791 p = skiptowhite_esc(arg); 792 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 793 if (bnr < 0) /* failed */ 794 break; 795 arg = p; 796 } 797 else 798 bnr = getdigits(&arg); 799 } 800 } 801 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 802 FORWARD, do_current, forceit) == OK) 803 ++deleted; 804 805 if (deleted == 0) 806 { 807 if (command == DOBUF_UNLOAD) 808 sprintf((char *)IObuff, _("E515: No buffers were unloaded")); 809 else if (command == DOBUF_DEL) 810 sprintf((char *)IObuff, _("E516: No buffers were deleted")); 811 else 812 sprintf((char *)IObuff, _("E517: No buffers were wiped out")); 813 errormsg = IObuff; 814 } 815 else if (deleted >= p_report) 816 { 817 if (command == DOBUF_UNLOAD) 818 { 819 if (deleted == 1) 820 MSG(_("1 buffer unloaded")); 821 else 822 smsg((char_u *)_("%d buffers unloaded"), deleted); 823 } 824 else if (command == DOBUF_DEL) 825 { 826 if (deleted == 1) 827 MSG(_("1 buffer deleted")); 828 else 829 smsg((char_u *)_("%d buffers deleted"), deleted); 830 } 831 else 832 { 833 if (deleted == 1) 834 MSG(_("1 buffer wiped out")); 835 else 836 smsg((char_u *)_("%d buffers wiped out"), deleted); 837 } 838 } 839 } 840 841 #ifdef FEAT_NETBEANS_INTG 842 netbeansCloseFile = 0; 843 #endif 844 845 return errormsg; 846 } 847 848 /* 849 * Implementation of the commands for the buffer list. 850 * 851 * action == DOBUF_GOTO go to specified buffer 852 * action == DOBUF_SPLIT split window and go to specified buffer 853 * action == DOBUF_UNLOAD unload specified buffer(s) 854 * action == DOBUF_DEL delete specified buffer(s) from buffer list 855 * action == DOBUF_WIPE delete specified buffer(s) really 856 * 857 * start == DOBUF_CURRENT go to "count" buffer from current buffer 858 * start == DOBUF_FIRST go to "count" buffer from first buffer 859 * start == DOBUF_LAST go to "count" buffer from last buffer 860 * start == DOBUF_MOD go to "count" modified buffer from current buffer 861 * 862 * Return FAIL or OK. 863 */ 864 int 865 do_buffer(action, start, dir, count, forceit) 866 int action; 867 int start; 868 int dir; /* FORWARD or BACKWARD */ 869 int count; /* buffer number or number of buffers */ 870 int forceit; /* TRUE for :...! */ 871 { 872 buf_T *buf; 873 buf_T *bp; 874 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 875 || action == DOBUF_WIPE); 876 877 switch (start) 878 { 879 case DOBUF_FIRST: buf = firstbuf; break; 880 case DOBUF_LAST: buf = lastbuf; break; 881 default: buf = curbuf; break; 882 } 883 if (start == DOBUF_MOD) /* find next modified buffer */ 884 { 885 while (count-- > 0) 886 { 887 do 888 { 889 buf = buf->b_next; 890 if (buf == NULL) 891 buf = firstbuf; 892 } 893 while (buf != curbuf && !bufIsChanged(buf)); 894 } 895 if (!bufIsChanged(buf)) 896 { 897 EMSG(_("E84: No modified buffer found")); 898 return FAIL; 899 } 900 } 901 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 902 { 903 while (buf != NULL && buf->b_fnum != count) 904 buf = buf->b_next; 905 } 906 else 907 { 908 bp = NULL; 909 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 910 { 911 /* remember the buffer where we start, we come back there when all 912 * buffers are unlisted. */ 913 if (bp == NULL) 914 bp = buf; 915 if (dir == FORWARD) 916 { 917 buf = buf->b_next; 918 if (buf == NULL) 919 buf = firstbuf; 920 } 921 else 922 { 923 buf = buf->b_prev; 924 if (buf == NULL) 925 buf = lastbuf; 926 } 927 /* don't count unlisted buffers */ 928 if (unload || buf->b_p_bl) 929 { 930 --count; 931 bp = NULL; /* use this buffer as new starting point */ 932 } 933 if (bp == buf) 934 { 935 /* back where we started, didn't find anything. */ 936 EMSG(_("E85: There is no listed buffer")); 937 return FAIL; 938 } 939 } 940 } 941 942 if (buf == NULL) /* could not find it */ 943 { 944 if (start == DOBUF_FIRST) 945 { 946 /* don't warn when deleting */ 947 if (!unload) 948 EMSGN(_("E86: Buffer %ld does not exist"), count); 949 } 950 else if (dir == FORWARD) 951 EMSG(_("E87: Cannot go beyond last buffer")); 952 else 953 EMSG(_("E88: Cannot go before first buffer")); 954 return FAIL; 955 } 956 957 #ifdef FEAT_GUI 958 need_mouse_correct = TRUE; 959 #endif 960 961 #ifdef FEAT_LISTCMDS 962 /* 963 * delete buffer buf from memory and/or the list 964 */ 965 if (unload) 966 { 967 int forward; 968 int retval; 969 970 /* When unloading or deleting a buffer that's already unloaded and 971 * unlisted: fail silently. */ 972 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 973 return FAIL; 974 975 if (!forceit && bufIsChanged(buf)) 976 { 977 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 978 if ((p_confirm || cmdmod.confirm) && p_write) 979 { 980 dialog_changed(buf, FALSE); 981 # ifdef FEAT_AUTOCMD 982 if (!buf_valid(buf)) 983 /* Autocommand deleted buffer, oops! It's not changed 984 * now. */ 985 return FAIL; 986 # endif 987 } 988 if (bufIsChanged(buf)) 989 #endif 990 { 991 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 992 buf->b_fnum); 993 return FAIL; 994 } 995 } 996 997 /* 998 * If deleting the last (listed) buffer, make it empty. 999 * The last (listed) buffer cannot be unloaded. 1000 */ 1001 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1002 if (bp->b_p_bl && bp != buf) 1003 break; 1004 if (bp == NULL && buf == curbuf) 1005 { 1006 if (action == DOBUF_UNLOAD) 1007 { 1008 EMSG(_("E90: Cannot unload last buffer")); 1009 return FAIL; 1010 } 1011 1012 /* Close any other windows on this buffer, then make it empty. */ 1013 #ifdef FEAT_WINDOWS 1014 { 1015 win_T *wp, *nextwp; 1016 1017 for (wp = firstwin; wp != NULL; wp = nextwp) 1018 { 1019 nextwp = wp->w_next; 1020 if (wp != curwin && wp->w_buffer == buf) 1021 { 1022 /* Start all over, autocommands may change the window 1023 * layout. */ 1024 nextwp = firstwin; 1025 win_close(wp, FALSE); 1026 } 1027 } 1028 } 1029 #endif 1030 setpcmark(); 1031 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1032 forceit ? ECMD_FORCEIT : 0); 1033 1034 /* 1035 * do_ecmd() may create a new buffer, then we have to delete 1036 * the old one. But do_ecmd() may have done that already, check 1037 * if the buffer still exists. 1038 */ 1039 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1040 close_buffer(NULL, buf, action); 1041 return retval; 1042 } 1043 1044 #ifdef FEAT_WINDOWS 1045 /* 1046 * If the deleted buffer is the current one, close the current window 1047 * (unless it's the only window). 1048 */ 1049 while (buf == curbuf && firstwin != lastwin) 1050 win_close(curwin, FALSE); 1051 #endif 1052 1053 /* 1054 * If the buffer to be deleted is not the current one, delete it here. 1055 */ 1056 if (buf != curbuf) 1057 { 1058 #ifdef FEAT_WINDOWS 1059 close_windows(buf); 1060 #endif 1061 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1062 close_buffer(NULL, buf, action); 1063 return OK; 1064 } 1065 1066 /* 1067 * Deleting the current buffer: Need to find another buffer to go to. 1068 * There must be another, otherwise it would have been handled above. 1069 * First use au_new_curbuf, if it is valid. 1070 * Then prefer the buffer we most recently visited. 1071 * Else try to find one that is loaded, after the current buffer, 1072 * then before the current buffer. 1073 * Finally use any buffer. 1074 */ 1075 buf = NULL; /* selected buffer */ 1076 bp = NULL; /* used when no loaded buffer found */ 1077 #ifdef FEAT_AUTOCMD 1078 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1079 buf = au_new_curbuf; 1080 # ifdef FEAT_JUMPLIST 1081 else 1082 # endif 1083 #endif 1084 #ifdef FEAT_JUMPLIST 1085 if (curwin->w_jumplistlen > 0) 1086 { 1087 int jumpidx; 1088 1089 jumpidx = curwin->w_jumplistidx - 1; 1090 if (jumpidx < 0) 1091 jumpidx = curwin->w_jumplistlen - 1; 1092 1093 forward = jumpidx; 1094 while (jumpidx != curwin->w_jumplistidx) 1095 { 1096 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1097 if (buf != NULL) 1098 { 1099 if (buf == curbuf || !buf->b_p_bl) 1100 buf = NULL; /* skip current and unlisted bufs */ 1101 else if (buf->b_ml.ml_mfp == NULL) 1102 { 1103 /* skip unloaded buf, but may keep it for later */ 1104 if (bp == NULL) 1105 bp = buf; 1106 buf = NULL; 1107 } 1108 } 1109 if (buf != NULL) /* found a valid buffer: stop searching */ 1110 break; 1111 /* advance to older entry in jump list */ 1112 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1113 break; 1114 if (--jumpidx < 0) 1115 jumpidx = curwin->w_jumplistlen - 1; 1116 if (jumpidx == forward) /* List exhausted for sure */ 1117 break; 1118 } 1119 } 1120 #endif 1121 1122 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1123 { 1124 forward = TRUE; 1125 buf = curbuf->b_next; 1126 for (;;) 1127 { 1128 if (buf == NULL) 1129 { 1130 if (!forward) /* tried both directions */ 1131 break; 1132 buf = curbuf->b_prev; 1133 forward = FALSE; 1134 continue; 1135 } 1136 /* in non-help buffer, try to skip help buffers, and vv */ 1137 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1138 { 1139 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1140 break; 1141 if (bp == NULL) /* remember unloaded buf for later */ 1142 bp = buf; 1143 } 1144 if (forward) 1145 buf = buf->b_next; 1146 else 1147 buf = buf->b_prev; 1148 } 1149 } 1150 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1151 buf = bp; 1152 if (buf == NULL) /* No loaded buffer, find listed one */ 1153 { 1154 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1155 if (buf->b_p_bl && buf != curbuf) 1156 break; 1157 } 1158 if (buf == NULL) /* Still no buffer, just take one */ 1159 { 1160 if (curbuf->b_next != NULL) 1161 buf = curbuf->b_next; 1162 else 1163 buf = curbuf->b_prev; 1164 } 1165 } 1166 1167 /* 1168 * make buf current buffer 1169 */ 1170 if (action == DOBUF_SPLIT) /* split window first */ 1171 { 1172 # ifdef FEAT_WINDOWS 1173 /* jump to first window containing buf if one exists ("useopen") */ 1174 if (vim_strchr(p_swb, 'u') && buf_jump_open_win(buf)) 1175 return OK; 1176 if (win_split(0, 0) == FAIL) 1177 # endif 1178 return FAIL; 1179 } 1180 #endif 1181 1182 /* go to current buffer - nothing to do */ 1183 if (buf == curbuf) 1184 return OK; 1185 1186 /* 1187 * Check if the current buffer may be abandoned. 1188 */ 1189 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1190 { 1191 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1192 if ((p_confirm || cmdmod.confirm) && p_write) 1193 { 1194 dialog_changed(curbuf, FALSE); 1195 # ifdef FEAT_AUTOCMD 1196 if (!buf_valid(buf)) 1197 /* Autocommand deleted buffer, oops! */ 1198 return FAIL; 1199 # endif 1200 } 1201 if (bufIsChanged(curbuf)) 1202 #endif 1203 { 1204 EMSG(_(e_nowrtmsg)); 1205 return FAIL; 1206 } 1207 } 1208 1209 /* Go to the other buffer. */ 1210 set_curbuf(buf, action); 1211 1212 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1213 if (action == DOBUF_SPLIT) 1214 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1215 #endif 1216 1217 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1218 if (aborting()) /* autocmds may abort script processing */ 1219 return FAIL; 1220 #endif 1221 1222 return OK; 1223 } 1224 1225 #endif /* FEAT_LISTCMDS */ 1226 1227 /* 1228 * Set current buffer to "buf". Executes autocommands and closes current 1229 * buffer. "action" tells how to close the current buffer: 1230 * DOBUF_GOTO free or hide it 1231 * DOBUF_SPLIT nothing 1232 * DOBUF_UNLOAD unload it 1233 * DOBUF_DEL delete it 1234 * DOBUF_WIPE wipe it out 1235 */ 1236 void 1237 set_curbuf(buf, action) 1238 buf_T *buf; 1239 int action; 1240 { 1241 buf_T *prevbuf; 1242 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1243 || action == DOBUF_WIPE); 1244 1245 setpcmark(); 1246 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1247 buflist_altfpos(); /* remember curpos */ 1248 1249 #ifdef FEAT_VISUAL 1250 /* Don't restart Select mode after switching to another buffer. */ 1251 VIsual_reselect = FALSE; 1252 #endif 1253 1254 /* close_windows() or apply_autocmds() may change curbuf */ 1255 prevbuf = curbuf; 1256 1257 #ifdef FEAT_AUTOCMD 1258 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1259 # ifdef FEAT_EVAL 1260 if (buf_valid(prevbuf) && !aborting()) 1261 # else 1262 if (buf_valid(prevbuf)) 1263 # endif 1264 #endif 1265 { 1266 #ifdef FEAT_WINDOWS 1267 if (unload) 1268 close_windows(prevbuf); 1269 #endif 1270 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1271 if (buf_valid(prevbuf) && !aborting()) 1272 #else 1273 if (buf_valid(prevbuf)) 1274 #endif 1275 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1276 unload ? action : (action == DOBUF_GOTO 1277 && !P_HID(prevbuf) 1278 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1279 } 1280 #ifdef FEAT_AUTOCMD 1281 # ifdef FEAT_EVAL 1282 /* An autocommand may have deleted buf or aborted the script processing! */ 1283 if (buf_valid(buf) && !aborting()) 1284 # else 1285 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1286 # endif 1287 #endif 1288 enter_buffer(buf); 1289 } 1290 1291 /* 1292 * Enter a new current buffer. 1293 * Old curbuf must have been abandoned already! 1294 */ 1295 void 1296 enter_buffer(buf) 1297 buf_T *buf; 1298 { 1299 /* Copy buffer and window local option values. Not for a help buffer. */ 1300 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1301 if (!buf->b_help) 1302 get_winopts(buf); 1303 #ifdef FEAT_FOLDING 1304 else 1305 /* Remove all folds in the window. */ 1306 clearFolding(curwin); 1307 foldUpdateAll(curwin); /* update folds (later). */ 1308 #endif 1309 1310 /* Get the buffer in the current window. */ 1311 curwin->w_buffer = buf; 1312 curbuf = buf; 1313 ++curbuf->b_nwindows; 1314 1315 #ifdef FEAT_DIFF 1316 diff_new_buffer(); 1317 #endif 1318 1319 /* Cursor on first line by default. */ 1320 curwin->w_cursor.lnum = 1; 1321 curwin->w_cursor.col = 0; 1322 #ifdef FEAT_VIRTUALEDIT 1323 curwin->w_cursor.coladd = 0; 1324 #endif 1325 curwin->w_set_curswant = TRUE; 1326 1327 /* Make sure the buffer is loaded. */ 1328 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1329 open_buffer(FALSE, NULL); 1330 else 1331 { 1332 need_fileinfo = TRUE; /* display file info after redraw */ 1333 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1334 #ifdef FEAT_AUTOCMD 1335 curwin->w_topline = 1; 1336 # ifdef FEAT_DIFF 1337 curwin->w_topfill = 0; 1338 # endif 1339 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1340 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1341 #endif 1342 } 1343 1344 /* If autocommands did not change the cursor position, restore cursor lnum 1345 * and possibly cursor col. */ 1346 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1347 buflist_getfpos(); 1348 1349 check_arg_idx(curwin); /* check for valid arg_idx */ 1350 #ifdef FEAT_TITLE 1351 maketitle(); 1352 #endif 1353 #ifdef FEAT_AUTOCMD 1354 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1355 #endif 1356 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1357 1358 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1359 /* Change directories when the acd option is set on. */ 1360 if (p_acd && curbuf->b_ffname != NULL 1361 && vim_chdirfile(curbuf->b_ffname) == OK) 1362 shorten_fnames(TRUE); 1363 #endif 1364 1365 #ifdef FEAT_KEYMAP 1366 if (curbuf->b_kmap_state & KEYMAP_INIT) 1367 keymap_init(); 1368 #endif 1369 redraw_later(NOT_VALID); 1370 } 1371 1372 /* 1373 * functions for dealing with the buffer list 1374 */ 1375 1376 /* 1377 * Add a file name to the buffer list. Return a pointer to the buffer. 1378 * If the same file name already exists return a pointer to that buffer. 1379 * If it does not exist, or if fname == NULL, a new entry is created. 1380 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1381 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1382 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1383 * If (flags & BLN_FORCE) is TRUE, don't abort on an error. 1384 * This is the ONLY way to create a new buffer. 1385 */ 1386 static int top_file_num = 1; /* highest file number */ 1387 1388 buf_T * 1389 buflist_new(ffname, sfname, lnum, flags) 1390 char_u *ffname; /* full path of fname or relative */ 1391 char_u *sfname; /* short fname or NULL */ 1392 linenr_T lnum; /* preferred cursor line */ 1393 int flags; /* BLN_ defines */ 1394 { 1395 buf_T *buf; 1396 #ifdef UNIX 1397 struct stat st; 1398 #endif 1399 1400 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1401 1402 /* 1403 * If file name already exists in the list, update the entry. 1404 */ 1405 #ifdef UNIX 1406 /* On Unix we can use inode numbers when the file exists. Works better 1407 * for hard links. */ 1408 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1409 st.st_dev = (dev_T)-1; 1410 #endif 1411 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1412 #ifdef UNIX 1413 buflist_findname_stat(ffname, &st) 1414 #else 1415 buflist_findname(ffname) 1416 #endif 1417 ) != NULL) 1418 { 1419 vim_free(ffname); 1420 if (lnum != 0) 1421 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1422 /* copy the options now, if 'cpo' doesn't have 's' and not done 1423 * already */ 1424 buf_copy_options(buf, 0); 1425 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1426 { 1427 buf->b_p_bl = TRUE; 1428 #ifdef FEAT_AUTOCMD 1429 if (!(flags & BLN_DUMMY)) 1430 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1431 #endif 1432 } 1433 return buf; 1434 } 1435 1436 /* 1437 * If the current buffer has no name and no contents, use the current 1438 * buffer. Otherwise: Need to allocate a new buffer structure. 1439 * 1440 * This is the ONLY place where a new buffer structure is allocated! 1441 */ 1442 buf = NULL; 1443 if ((flags & BLN_CURBUF) 1444 && curbuf != NULL 1445 && curbuf->b_ffname == NULL 1446 && curbuf->b_nwindows <= 1 1447 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1448 { 1449 buf = curbuf; 1450 #ifdef FEAT_AUTOCMD 1451 /* It's like this buffer is deleted. Watch out for autocommands that 1452 * change curbuf! If that happens, allocate a new buffer anyway. */ 1453 if (curbuf->b_p_bl) 1454 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1455 if (buf == curbuf) 1456 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1457 # ifdef FEAT_EVAL 1458 /* autocmds may abort script processing */ 1459 if (!(flags & BLN_FORCE) && aborting()) 1460 return NULL; 1461 # endif 1462 #endif 1463 #ifdef FEAT_QUICKFIX 1464 # ifdef FEAT_AUTOCMD 1465 if (buf == curbuf) 1466 # endif 1467 { 1468 /* Make sure 'bufhidden' and 'buftype' are empty */ 1469 clear_string_option(&buf->b_p_bh); 1470 clear_string_option(&buf->b_p_bt); 1471 } 1472 #endif 1473 } 1474 if (buf != curbuf || curbuf == NULL) 1475 { 1476 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1477 if (buf == NULL) 1478 { 1479 vim_free(ffname); 1480 return NULL; 1481 } 1482 } 1483 1484 if (ffname != NULL) 1485 { 1486 buf->b_ffname = ffname; 1487 buf->b_sfname = vim_strsave(sfname); 1488 } 1489 1490 clear_wininfo(buf); 1491 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1492 1493 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1494 || buf->b_wininfo == NULL) 1495 { 1496 vim_free(buf->b_ffname); 1497 buf->b_ffname = NULL; 1498 vim_free(buf->b_sfname); 1499 buf->b_sfname = NULL; 1500 if (buf != curbuf) 1501 free_buffer(buf); 1502 return NULL; 1503 } 1504 1505 if (buf == curbuf) 1506 { 1507 /* free all things allocated for this buffer */ 1508 buf_freeall(buf, FALSE, FALSE); 1509 if (buf != curbuf) /* autocommands deleted the buffer! */ 1510 return NULL; 1511 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1512 /* autocmds may abort script processing */ 1513 if (!(flags & BLN_FORCE) && aborting()) 1514 return NULL; 1515 #endif 1516 /* buf->b_nwindows = 0; why was this here? */ 1517 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1518 #ifdef FEAT_KEYMAP 1519 /* need to reload lmaps and set b:keymap_name */ 1520 curbuf->b_kmap_state |= KEYMAP_INIT; 1521 #endif 1522 } 1523 else 1524 { 1525 /* 1526 * put new buffer at the end of the buffer list 1527 */ 1528 buf->b_next = NULL; 1529 if (firstbuf == NULL) /* buffer list is empty */ 1530 { 1531 buf->b_prev = NULL; 1532 firstbuf = buf; 1533 } 1534 else /* append new buffer at end of list */ 1535 { 1536 lastbuf->b_next = buf; 1537 buf->b_prev = lastbuf; 1538 } 1539 lastbuf = buf; 1540 1541 buf->b_fnum = top_file_num++; 1542 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1543 { 1544 EMSG(_("W14: Warning: List of file names overflow")); 1545 if (emsg_silent == 0) 1546 { 1547 out_flush(); 1548 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1549 } 1550 top_file_num = 1; 1551 } 1552 1553 /* 1554 * Always copy the options from the current buffer. 1555 */ 1556 buf_copy_options(buf, BCO_ALWAYS); 1557 } 1558 1559 buf->b_wininfo->wi_fpos.lnum = lnum; 1560 buf->b_wininfo->wi_win = curwin; 1561 1562 #ifdef FEAT_EVAL 1563 var_init(&buf->b_vars); /* init internal variables */ 1564 #endif 1565 1566 buf->b_fname = buf->b_sfname; 1567 #ifdef UNIX 1568 if (st.st_dev == (dev_T)-1) 1569 buf->b_dev = -1; 1570 else 1571 { 1572 buf->b_dev = st.st_dev; 1573 buf->b_ino = st.st_ino; 1574 } 1575 #endif 1576 buf->b_u_synced = TRUE; 1577 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1578 buf_clear_file(buf); 1579 clrallmarks(buf); /* clear marks */ 1580 fmarks_check_names(buf); /* check file marks for this file */ 1581 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1582 #ifdef FEAT_AUTOCMD 1583 if (!(flags & BLN_DUMMY)) 1584 { 1585 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1586 if (flags & BLN_LISTED) 1587 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1588 # ifdef FEAT_EVAL 1589 /* autocmds may abort script processing */ 1590 if (!(flags & BLN_FORCE) && aborting()) 1591 return NULL; 1592 # endif 1593 } 1594 #endif 1595 1596 return buf; 1597 } 1598 1599 /* 1600 * Free the memory for the options of a buffer. 1601 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1602 * 'fileencoding'. 1603 */ 1604 void 1605 free_buf_options(buf, free_p_ff) 1606 buf_T *buf; 1607 int free_p_ff; 1608 { 1609 if (free_p_ff) 1610 { 1611 #ifdef FEAT_MBYTE 1612 clear_string_option(&buf->b_p_fenc); 1613 #endif 1614 clear_string_option(&buf->b_p_ff); 1615 #ifdef FEAT_QUICKFIX 1616 clear_string_option(&buf->b_p_bh); 1617 clear_string_option(&buf->b_p_bt); 1618 #endif 1619 } 1620 #ifdef FEAT_FIND_ID 1621 clear_string_option(&buf->b_p_def); 1622 clear_string_option(&buf->b_p_inc); 1623 # ifdef FEAT_EVAL 1624 clear_string_option(&buf->b_p_inex); 1625 # endif 1626 #endif 1627 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1628 clear_string_option(&buf->b_p_inde); 1629 clear_string_option(&buf->b_p_indk); 1630 #endif 1631 #ifdef FEAT_CRYPT 1632 clear_string_option(&buf->b_p_key); 1633 #endif 1634 clear_string_option(&buf->b_p_kp); 1635 clear_string_option(&buf->b_p_mps); 1636 clear_string_option(&buf->b_p_fo); 1637 clear_string_option(&buf->b_p_isk); 1638 #ifdef FEAT_KEYMAP 1639 clear_string_option(&buf->b_p_keymap); 1640 ga_clear(&buf->b_kmap_ga); 1641 #endif 1642 #ifdef FEAT_COMMENTS 1643 clear_string_option(&buf->b_p_com); 1644 #endif 1645 #ifdef FEAT_FOLDING 1646 clear_string_option(&buf->b_p_cms); 1647 #endif 1648 clear_string_option(&buf->b_p_nf); 1649 #ifdef FEAT_SYN_HL 1650 clear_string_option(&buf->b_p_syn); 1651 #endif 1652 #ifdef FEAT_SEARCHPATH 1653 clear_string_option(&buf->b_p_sua); 1654 #endif 1655 #ifdef FEAT_AUTOCMD 1656 clear_string_option(&buf->b_p_ft); 1657 #endif 1658 #ifdef FEAT_OSFILETYPE 1659 clear_string_option(&buf->b_p_oft); 1660 #endif 1661 #ifdef FEAT_CINDENT 1662 clear_string_option(&buf->b_p_cink); 1663 clear_string_option(&buf->b_p_cino); 1664 #endif 1665 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1666 clear_string_option(&buf->b_p_cinw); 1667 #endif 1668 #ifdef FEAT_INS_EXPAND 1669 clear_string_option(&buf->b_p_cpt); 1670 #endif 1671 #ifdef FEAT_QUICKFIX 1672 clear_string_option(&buf->b_p_gp); 1673 clear_string_option(&buf->b_p_mp); 1674 clear_string_option(&buf->b_p_efm); 1675 #endif 1676 clear_string_option(&buf->b_p_ep); 1677 clear_string_option(&buf->b_p_path); 1678 clear_string_option(&buf->b_p_tags); 1679 #ifdef FEAT_INS_EXPAND 1680 clear_string_option(&buf->b_p_dict); 1681 clear_string_option(&buf->b_p_tsr); 1682 #endif 1683 buf->b_p_ar = -1; 1684 } 1685 1686 /* 1687 * get alternate file n 1688 * set linenr to lnum or altfpos.lnum if lnum == 0 1689 * also set cursor column to altfpos.col if 'startofline' is not set. 1690 * if (options & GETF_SETMARK) call setpcmark() 1691 * if (options & GETF_ALT) we are jumping to an alternate file. 1692 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1693 * 1694 * return FAIL for failure, OK for success 1695 */ 1696 int 1697 buflist_getfile(n, lnum, options, forceit) 1698 int n; 1699 linenr_T lnum; 1700 int options; 1701 int forceit; 1702 { 1703 buf_T *buf; 1704 #ifdef FEAT_WINDOWS 1705 win_T *wp = NULL; 1706 #endif 1707 pos_T *fpos; 1708 colnr_T col; 1709 1710 buf = buflist_findnr(n); 1711 if (buf == NULL) 1712 { 1713 if ((options & GETF_ALT) && n == 0) 1714 EMSG(_(e_noalt)); 1715 else 1716 EMSGN(_("E92: Buffer %ld not found"), n); 1717 return FAIL; 1718 } 1719 1720 /* if alternate file is the current buffer, nothing to do */ 1721 if (buf == curbuf) 1722 return OK; 1723 1724 #ifdef FEAT_CMDWIN 1725 if (cmdwin_type != 0) 1726 return FAIL; 1727 #endif 1728 1729 /* altfpos may be changed by getfile(), get it now */ 1730 if (lnum == 0) 1731 { 1732 fpos = buflist_findfpos(buf); 1733 lnum = fpos->lnum; 1734 col = fpos->col; 1735 } 1736 else 1737 col = 0; 1738 1739 #ifdef FEAT_WINDOWS 1740 if (options & GETF_SWITCH) 1741 { 1742 /* use existing open window for buffer if wanted */ 1743 if (vim_strchr(p_swb, 'u')) /* useopen */ 1744 wp = buf_jump_open_win(buf); 1745 /* split window if wanted ("split") */ 1746 if (wp == NULL && vim_strchr(p_swb, 't') && !bufempty()) 1747 { 1748 if (win_split(0, 0) == FAIL) 1749 return FAIL; 1750 # ifdef FEAT_SCROLLBIND 1751 curwin->w_p_scb = FALSE; 1752 # endif 1753 } 1754 } 1755 #endif 1756 1757 ++RedrawingDisabled; 1758 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1759 lnum, forceit) <= 0) 1760 { 1761 --RedrawingDisabled; 1762 1763 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1764 if (!p_sol && col != 0) 1765 { 1766 curwin->w_cursor.col = col; 1767 check_cursor_col(); 1768 #ifdef FEAT_VIRTUALEDIT 1769 curwin->w_cursor.coladd = 0; 1770 #endif 1771 curwin->w_set_curswant = TRUE; 1772 } 1773 return OK; 1774 } 1775 --RedrawingDisabled; 1776 return FAIL; 1777 } 1778 1779 /* 1780 * go to the last know line number for the current buffer 1781 */ 1782 void 1783 buflist_getfpos() 1784 { 1785 pos_T *fpos; 1786 1787 fpos = buflist_findfpos(curbuf); 1788 1789 curwin->w_cursor.lnum = fpos->lnum; 1790 check_cursor_lnum(); 1791 1792 if (p_sol) 1793 curwin->w_cursor.col = 0; 1794 else 1795 { 1796 curwin->w_cursor.col = fpos->col; 1797 check_cursor_col(); 1798 #ifdef FEAT_VIRTUALEDIT 1799 curwin->w_cursor.coladd = 0; 1800 #endif 1801 curwin->w_set_curswant = TRUE; 1802 } 1803 } 1804 1805 /* 1806 * Find file in buffer list by name (it has to be for the current window). 1807 * "ffname" must have a full path. 1808 */ 1809 buf_T * 1810 buflist_findname(ffname) 1811 char_u *ffname; 1812 { 1813 #ifdef UNIX 1814 struct stat st; 1815 1816 if (mch_stat((char *)ffname, &st) < 0) 1817 st.st_dev = (dev_T)-1; 1818 return buflist_findname_stat(ffname, &st); 1819 } 1820 1821 /* 1822 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1823 * twice for the same file. 1824 */ 1825 static buf_T * 1826 buflist_findname_stat(ffname, stp) 1827 char_u *ffname; 1828 struct stat *stp; 1829 { 1830 #endif 1831 buf_T *buf; 1832 1833 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1834 if (!otherfile_buf(buf, ffname 1835 #ifdef UNIX 1836 , stp 1837 #endif 1838 )) 1839 return buf; 1840 return NULL; 1841 } 1842 1843 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 1844 /* 1845 * Find file in buffer list by a regexp pattern. 1846 * Return fnum of the found buffer. 1847 * Return < 0 for error. 1848 */ 1849 /*ARGSUSED*/ 1850 int 1851 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 1852 char_u *pattern; 1853 char_u *pattern_end; /* pointer to first char after pattern */ 1854 int unlisted; /* find unlisted buffers */ 1855 int diffmode; /* find diff-mode buffers only */ 1856 { 1857 buf_T *buf; 1858 regprog_T *prog; 1859 int match = -1; 1860 int find_listed; 1861 char_u *pat; 1862 char_u *patend; 1863 int attempt; 1864 char_u *p; 1865 int toggledollar; 1866 1867 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 1868 { 1869 if (*pattern == '%') 1870 match = curbuf->b_fnum; 1871 else 1872 match = curwin->w_alt_fnum; 1873 #ifdef FEAT_DIFF 1874 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 1875 match = -1; 1876 #endif 1877 } 1878 1879 /* 1880 * Try four ways of matching a listed buffer: 1881 * attempt == 0: without '^' or '$' (at any position) 1882 * attempt == 1: with '^' at start (only at postion 0) 1883 * attempt == 2: with '$' at end (only match at end) 1884 * attempt == 3: with '^' at start and '$' at end (only full match) 1885 * Repeat this for finding an unlisted buffer if there was no matching 1886 * listed buffer. 1887 */ 1888 else 1889 { 1890 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 1891 if (pat == NULL) 1892 return -1; 1893 patend = pat + STRLEN(pat) - 1; 1894 toggledollar = (patend > pat && *patend == '$'); 1895 1896 /* First try finding a listed buffer. If not found and "unlisted" 1897 * is TRUE, try finding an unlisted buffer. */ 1898 find_listed = TRUE; 1899 for (;;) 1900 { 1901 for (attempt = 0; attempt <= 3; ++attempt) 1902 { 1903 /* may add '^' and '$' */ 1904 if (toggledollar) 1905 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 1906 p = pat; 1907 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 1908 ++p; 1909 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 1910 if (prog == NULL) 1911 { 1912 vim_free(pat); 1913 return -1; 1914 } 1915 1916 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1917 if (buf->b_p_bl == find_listed 1918 #ifdef FEAT_DIFF 1919 && (!diffmode || diff_mode_buf(buf)) 1920 #endif 1921 && buflist_match(prog, buf) != NULL) 1922 { 1923 if (match >= 0) /* already found a match */ 1924 { 1925 match = -2; 1926 break; 1927 } 1928 match = buf->b_fnum; /* remember first match */ 1929 } 1930 1931 vim_free(prog); 1932 if (match >= 0) /* found one match */ 1933 break; 1934 } 1935 1936 /* Only search for unlisted buffers if there was no match with 1937 * a listed buffer. */ 1938 if (!unlisted || !find_listed || match != -1) 1939 break; 1940 find_listed = FALSE; 1941 } 1942 1943 vim_free(pat); 1944 } 1945 1946 if (match == -2) 1947 EMSG2(_("E93: More than one match for %s"), pattern); 1948 else if (match < 0) 1949 EMSG2(_("E94: No matching buffer for %s"), pattern); 1950 return match; 1951 } 1952 #endif 1953 1954 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 1955 1956 /* 1957 * Find all buffer names that match. 1958 * For command line expansion of ":buf" and ":sbuf". 1959 * Return OK if matches found, FAIL otherwise. 1960 */ 1961 int 1962 ExpandBufnames(pat, num_file, file, options) 1963 char_u *pat; 1964 int *num_file; 1965 char_u ***file; 1966 int options; 1967 { 1968 int count = 0; 1969 buf_T *buf; 1970 int round; 1971 char_u *p; 1972 int attempt; 1973 regprog_T *prog; 1974 1975 *num_file = 0; /* return values in case of FAIL */ 1976 *file = NULL; 1977 1978 /* 1979 * attempt == 1: try match with '^', match at start 1980 * attempt == 2: try match without '^', match anywhere 1981 */ 1982 for (attempt = 1; attempt <= 2; ++attempt) 1983 { 1984 if (attempt == 2) 1985 { 1986 if (*pat != '^') /* there's no '^', no need to try again */ 1987 break; 1988 ++pat; /* skip the '^' */ 1989 } 1990 prog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); 1991 if (prog == NULL) 1992 return FAIL; 1993 1994 /* 1995 * round == 1: Count the matches. 1996 * round == 2: Build the array to keep the matches. 1997 */ 1998 for (round = 1; round <= 2; ++round) 1999 { 2000 count = 0; 2001 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2002 { 2003 if (!buf->b_p_bl) /* skip unlisted buffers */ 2004 continue; 2005 p = buflist_match(prog, buf); 2006 if (p != NULL) 2007 { 2008 if (round == 1) 2009 ++count; 2010 else 2011 { 2012 if (options & WILD_HOME_REPLACE) 2013 p = home_replace_save(buf, p); 2014 else 2015 p = vim_strsave(p); 2016 (*file)[count++] = p; 2017 } 2018 } 2019 } 2020 if (count == 0) /* no match found, break here */ 2021 break; 2022 if (round == 1) 2023 { 2024 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2025 if (*file == NULL) 2026 { 2027 vim_free(prog); 2028 return FAIL; 2029 } 2030 } 2031 } 2032 vim_free(prog); 2033 if (count) /* match(es) found, break here */ 2034 break; 2035 } 2036 2037 *num_file = count; 2038 return (count == 0 ? FAIL : OK); 2039 } 2040 2041 #endif /* FEAT_CMDL_COMPL */ 2042 2043 #ifdef HAVE_BUFLIST_MATCH 2044 /* 2045 * Check for a match on the file name for buffer "buf" with regprog "prog". 2046 */ 2047 static char_u * 2048 buflist_match(prog, buf) 2049 regprog_T *prog; 2050 buf_T *buf; 2051 { 2052 char_u *match; 2053 2054 /* First try the short file name, then the long file name. */ 2055 match = fname_match(prog, buf->b_sfname); 2056 if (match == NULL) 2057 match = fname_match(prog, buf->b_ffname); 2058 2059 return match; 2060 } 2061 2062 /* 2063 * Try matching the regexp in "prog" with file name "name". 2064 * Return "name" when there is a match, NULL when not. 2065 */ 2066 static char_u * 2067 fname_match(prog, name) 2068 regprog_T *prog; 2069 char_u *name; 2070 { 2071 char_u *match = NULL; 2072 char_u *p; 2073 regmatch_T regmatch; 2074 2075 if (name != NULL) 2076 { 2077 regmatch.regprog = prog; 2078 #ifdef CASE_INSENSITIVE_FILENAME 2079 regmatch.rm_ic = TRUE; /* Always ignore case */ 2080 #else 2081 regmatch.rm_ic = FALSE; /* Never ignore case */ 2082 #endif 2083 2084 if (vim_regexec(®match, name, (colnr_T)0)) 2085 match = name; 2086 else 2087 { 2088 /* Replace $(HOME) with '~' and try matching again. */ 2089 p = home_replace_save(NULL, name); 2090 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2091 match = name; 2092 vim_free(p); 2093 } 2094 } 2095 2096 return match; 2097 } 2098 #endif 2099 2100 /* 2101 * find file in buffer list by number 2102 */ 2103 buf_T * 2104 buflist_findnr(nr) 2105 int nr; 2106 { 2107 buf_T *buf; 2108 2109 if (nr == 0) 2110 nr = curwin->w_alt_fnum; 2111 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2112 if (buf->b_fnum == nr) 2113 return (buf); 2114 return NULL; 2115 } 2116 2117 /* 2118 * Get name of file 'n' in the buffer list. 2119 * When the file has no name an empty string is returned. 2120 * home_replace() is used to shorten the file name (used for marks). 2121 * Returns a pointer to allocated memory, of NULL when failed. 2122 */ 2123 char_u * 2124 buflist_nr2name(n, fullname, helptail) 2125 int n; 2126 int fullname; 2127 int helptail; /* for help buffers return tail only */ 2128 { 2129 buf_T *buf; 2130 2131 buf = buflist_findnr(n); 2132 if (buf == NULL) 2133 return NULL; 2134 return home_replace_save(helptail ? buf : NULL, 2135 fullname ? buf->b_ffname : buf->b_fname); 2136 } 2137 2138 /* 2139 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2140 * When "copy_options" is TRUE save the local window option values. 2141 * When "lnum" is 0 only do the options. 2142 */ 2143 static void 2144 buflist_setfpos(buf, win, lnum, col, copy_options) 2145 buf_T *buf; 2146 win_T *win; 2147 linenr_T lnum; 2148 colnr_T col; 2149 int copy_options; 2150 { 2151 wininfo_T *wip; 2152 2153 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2154 if (wip->wi_win == win) 2155 break; 2156 if (wip == NULL) 2157 { 2158 /* allocate a new entry */ 2159 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2160 if (wip == NULL) 2161 return; 2162 wip->wi_win = win; 2163 if (lnum == 0) /* set lnum even when it's 0 */ 2164 lnum = 1; 2165 } 2166 else 2167 { 2168 /* remove the entry from the list */ 2169 if (wip->wi_prev) 2170 wip->wi_prev->wi_next = wip->wi_next; 2171 else 2172 buf->b_wininfo = wip->wi_next; 2173 if (wip->wi_next) 2174 wip->wi_next->wi_prev = wip->wi_prev; 2175 if (copy_options && wip->wi_optset) 2176 { 2177 clear_winopt(&wip->wi_opt); 2178 #ifdef FEAT_FOLDING 2179 deleteFoldRecurse(&wip->wi_folds); 2180 #endif 2181 } 2182 } 2183 if (lnum != 0) 2184 { 2185 wip->wi_fpos.lnum = lnum; 2186 wip->wi_fpos.col = col; 2187 } 2188 if (copy_options) 2189 { 2190 /* Save the window-specific option values. */ 2191 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2192 #ifdef FEAT_FOLDING 2193 wip->wi_fold_manual = win->w_fold_manual; 2194 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2195 #endif 2196 wip->wi_optset = TRUE; 2197 } 2198 2199 /* insert the entry in front of the list */ 2200 wip->wi_next = buf->b_wininfo; 2201 buf->b_wininfo = wip; 2202 wip->wi_prev = NULL; 2203 if (wip->wi_next) 2204 wip->wi_next->wi_prev = wip; 2205 2206 return; 2207 } 2208 2209 /* 2210 * Find info for the current window in buffer "buf". 2211 * If not found, return the info for the most recently used window. 2212 * Returns NULL when there isn't any info. 2213 */ 2214 static wininfo_T * 2215 find_wininfo(buf) 2216 buf_T *buf; 2217 { 2218 wininfo_T *wip; 2219 2220 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2221 if (wip->wi_win == curwin) 2222 break; 2223 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2224 wip = buf->b_wininfo; 2225 return wip; 2226 } 2227 2228 /* 2229 * Reset the local window options to the values last used in this window. 2230 * If the buffer wasn't used in this window before, use the values from 2231 * the most recently used window. If the values were never set, use the 2232 * global values for the window. 2233 */ 2234 void 2235 get_winopts(buf) 2236 buf_T *buf; 2237 { 2238 wininfo_T *wip; 2239 2240 clear_winopt(&curwin->w_onebuf_opt); 2241 #ifdef FEAT_FOLDING 2242 clearFolding(curwin); 2243 #endif 2244 2245 wip = find_wininfo(buf); 2246 if (wip != NULL && wip->wi_optset) 2247 { 2248 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2249 #ifdef FEAT_FOLDING 2250 curwin->w_fold_manual = wip->wi_fold_manual; 2251 curwin->w_foldinvalid = TRUE; 2252 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2253 #endif 2254 } 2255 else 2256 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2257 2258 #ifdef FEAT_FOLDING 2259 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2260 if (p_fdls >= 0) 2261 curwin->w_p_fdl = p_fdls; 2262 #endif 2263 } 2264 2265 /* 2266 * Find the position (lnum and col) for the buffer 'buf' for the current 2267 * window. 2268 * Returns a pointer to no_position if no position is found. 2269 */ 2270 pos_T * 2271 buflist_findfpos(buf) 2272 buf_T *buf; 2273 { 2274 wininfo_T *wip; 2275 static pos_T no_position = {1, 0}; 2276 2277 wip = find_wininfo(buf); 2278 if (wip != NULL) 2279 return &(wip->wi_fpos); 2280 else 2281 return &no_position; 2282 } 2283 2284 /* 2285 * Find the lnum for the buffer 'buf' for the current window. 2286 */ 2287 linenr_T 2288 buflist_findlnum(buf) 2289 buf_T *buf; 2290 { 2291 return buflist_findfpos(buf)->lnum; 2292 } 2293 2294 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2295 /* 2296 * List all know file names (for :files and :buffers command). 2297 */ 2298 /*ARGSUSED*/ 2299 void 2300 buflist_list(eap) 2301 exarg_T *eap; 2302 { 2303 buf_T *buf; 2304 int len; 2305 int i; 2306 2307 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2308 { 2309 /* skip unlisted buffers, unless ! was used */ 2310 if (!buf->b_p_bl && !eap->forceit) 2311 continue; 2312 msg_putchar('\n'); 2313 if (buf_spname(buf) != NULL) 2314 STRCPY(NameBuff, buf_spname(buf)); 2315 else 2316 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2317 2318 sprintf((char *)IObuff, "%3d%c%c%c%c%c \"", 2319 buf->b_fnum, 2320 buf->b_p_bl ? ' ' : 'u', 2321 buf == curbuf ? '%' : 2322 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2323 buf->b_ml.ml_mfp == NULL ? ' ' : 2324 (buf->b_nwindows == 0 ? 'h' : 'a'), 2325 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2326 (buf->b_flags & BF_READERR) ? 'x' 2327 : (bufIsChanged(buf) ? '+' : ' ') 2328 ); 2329 2330 len = (int)STRLEN(IObuff); 2331 STRNCPY(IObuff + len, NameBuff, IOSIZE - 20 - len); 2332 IObuff[IOSIZE - 20 - len] = NUL; /* make sure it's terminated */ 2333 2334 len = (int)STRLEN(IObuff); 2335 IObuff[len++] = '"'; 2336 2337 /* put "line 999" in column 40 or after the file name */ 2338 IObuff[len] = NUL; 2339 i = 40 - vim_strsize(IObuff); 2340 do 2341 { 2342 IObuff[len++] = ' '; 2343 } while (--i > 0 && len < IOSIZE - 18); 2344 sprintf((char *)IObuff + len, _("line %ld"), 2345 buf == curbuf ? curwin->w_cursor.lnum : 2346 (long)buflist_findlnum(buf)); 2347 msg_outtrans(IObuff); 2348 out_flush(); /* output one line at a time */ 2349 ui_breakcheck(); 2350 } 2351 } 2352 #endif 2353 2354 /* 2355 * Get file name and line number for file 'fnum'. 2356 * Used by DoOneCmd() for translating '%' and '#'. 2357 * Used by insert_reg() and cmdline_paste() for '#' register. 2358 * Return FAIL if not found, OK for success. 2359 */ 2360 int 2361 buflist_name_nr(fnum, fname, lnum) 2362 int fnum; 2363 char_u **fname; 2364 linenr_T *lnum; 2365 { 2366 buf_T *buf; 2367 2368 buf = buflist_findnr(fnum); 2369 if (buf == NULL || buf->b_fname == NULL) 2370 return FAIL; 2371 2372 *fname = buf->b_fname; 2373 *lnum = buflist_findlnum(buf); 2374 2375 return OK; 2376 } 2377 2378 /* 2379 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2380 * The file name with the full path is also remembered, for when :cd is used. 2381 * Returns FAIL for failure (file name already in use by other buffer) 2382 * OK otherwise. 2383 */ 2384 int 2385 setfname(buf, ffname, sfname, message) 2386 buf_T *buf; 2387 char_u *ffname, *sfname; 2388 int message; 2389 { 2390 buf_T *obuf; 2391 #ifdef UNIX 2392 struct stat st; 2393 #endif 2394 2395 if (ffname == NULL || *ffname == NUL) 2396 { 2397 /* Removing the name. */ 2398 vim_free(buf->b_ffname); 2399 vim_free(buf->b_sfname); 2400 buf->b_ffname = NULL; 2401 buf->b_sfname = NULL; 2402 #ifdef UNIX 2403 st.st_dev = (dev_T)-1; 2404 #endif 2405 } 2406 else 2407 { 2408 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2409 if (ffname == NULL) /* out of memory */ 2410 return FAIL; 2411 2412 /* 2413 * if the file name is already used in another buffer: 2414 * - if the buffer is loaded, fail 2415 * - if the buffer is not loaded, delete it from the list 2416 */ 2417 #ifdef UNIX 2418 if (mch_stat((char *)ffname, &st) < 0) 2419 st.st_dev = (dev_T)-1; 2420 obuf = buflist_findname_stat(ffname, &st); 2421 #else 2422 obuf = buflist_findname(ffname); 2423 #endif 2424 if (obuf != NULL && obuf != buf) 2425 { 2426 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2427 { 2428 if (message) 2429 EMSG(_("E95: Buffer with this name already exists")); 2430 vim_free(ffname); 2431 return FAIL; 2432 } 2433 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2434 } 2435 sfname = vim_strsave(sfname); 2436 if (ffname == NULL || sfname == NULL) 2437 { 2438 vim_free(sfname); 2439 vim_free(ffname); 2440 return FAIL; 2441 } 2442 #ifdef USE_FNAME_CASE 2443 # ifdef USE_LONG_FNAME 2444 if (USE_LONG_FNAME) 2445 # endif 2446 fname_case(sfname, 0); /* set correct case for short file name */ 2447 #endif 2448 vim_free(buf->b_ffname); 2449 vim_free(buf->b_sfname); 2450 buf->b_ffname = ffname; 2451 buf->b_sfname = sfname; 2452 } 2453 buf->b_fname = buf->b_sfname; 2454 #ifdef UNIX 2455 if (st.st_dev == (dev_T)-1) 2456 buf->b_dev = -1; 2457 else 2458 { 2459 buf->b_dev = st.st_dev; 2460 buf->b_ino = st.st_ino; 2461 } 2462 #endif 2463 2464 #ifndef SHORT_FNAME 2465 buf->b_shortname = FALSE; 2466 #endif 2467 2468 buf_name_changed(buf); 2469 return OK; 2470 } 2471 2472 /* 2473 * Take care of what needs to be done when the name of buffer "buf" has 2474 * changed. 2475 */ 2476 void 2477 buf_name_changed(buf) 2478 buf_T *buf; 2479 { 2480 /* 2481 * If the file name changed, also change the name of the swapfile 2482 */ 2483 if (buf->b_ml.ml_mfp != NULL) 2484 ml_setname(buf); 2485 2486 if (curwin->w_buffer == buf) 2487 check_arg_idx(curwin); /* check file name for arg list */ 2488 #ifdef FEAT_TITLE 2489 maketitle(); /* set window title */ 2490 #endif 2491 #ifdef FEAT_WINDOWS 2492 status_redraw_all(); /* status lines need to be redrawn */ 2493 #endif 2494 fmarks_check_names(buf); /* check named file marks */ 2495 ml_timestamp(buf); /* reset timestamp */ 2496 } 2497 2498 /* 2499 * set alternate file name for current window 2500 * 2501 * Used by do_one_cmd(), do_write() and do_ecmd(). 2502 * Return the buffer. 2503 */ 2504 buf_T * 2505 setaltfname(ffname, sfname, lnum) 2506 char_u *ffname; 2507 char_u *sfname; 2508 linenr_T lnum; 2509 { 2510 buf_T *buf; 2511 2512 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2513 buf = buflist_new(ffname, sfname, lnum, 0); 2514 if (buf != NULL) 2515 curwin->w_alt_fnum = buf->b_fnum; 2516 return buf; 2517 } 2518 2519 /* 2520 * Get alternate file name for current window. 2521 * Return NULL if there isn't any, and give error message if requested. 2522 */ 2523 char_u * 2524 getaltfname(errmsg) 2525 int errmsg; /* give error message */ 2526 { 2527 char_u *fname; 2528 linenr_T dummy; 2529 2530 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2531 { 2532 if (errmsg) 2533 EMSG(_(e_noalt)); 2534 return NULL; 2535 } 2536 return fname; 2537 } 2538 2539 /* 2540 * Add a file name to the buflist and return its number. 2541 * Uses same flags as buflist_new(), except BLN_DUMMY. 2542 * 2543 * used by qf_init(), main() and doarglist() 2544 */ 2545 int 2546 buflist_add(fname, flags) 2547 char_u *fname; 2548 int flags; 2549 { 2550 buf_T *buf; 2551 2552 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2553 if (buf != NULL) 2554 return buf->b_fnum; 2555 return 0; 2556 } 2557 2558 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2559 /* 2560 * Adjust slashes in file names. Called after 'shellslash' was set. 2561 */ 2562 void 2563 buflist_slash_adjust() 2564 { 2565 buf_T *bp; 2566 2567 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2568 { 2569 if (bp->b_ffname != NULL) 2570 slash_adjust(bp->b_ffname); 2571 if (bp->b_sfname != NULL) 2572 slash_adjust(bp->b_sfname); 2573 } 2574 } 2575 #endif 2576 2577 /* 2578 * Set alternate cursor position for current window. 2579 * Also save the local window option values. 2580 */ 2581 void 2582 buflist_altfpos() 2583 { 2584 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2585 curwin->w_cursor.col, TRUE); 2586 } 2587 2588 /* 2589 * Return TRUE if 'ffname' is not the same file as current file. 2590 * Fname must have a full path (expanded by mch_FullName()). 2591 */ 2592 int 2593 otherfile(ffname) 2594 char_u *ffname; 2595 { 2596 return otherfile_buf(curbuf, ffname 2597 #ifdef UNIX 2598 , NULL 2599 #endif 2600 ); 2601 } 2602 2603 static int 2604 otherfile_buf(buf, ffname 2605 #ifdef UNIX 2606 , stp 2607 #endif 2608 ) 2609 buf_T *buf; 2610 char_u *ffname; 2611 #ifdef UNIX 2612 struct stat *stp; 2613 #endif 2614 { 2615 /* no name is different */ 2616 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2617 return TRUE; 2618 if (fnamecmp(ffname, buf->b_ffname) == 0) 2619 return FALSE; 2620 #ifdef UNIX 2621 { 2622 struct stat st; 2623 2624 /* If no struct stat given, get it now */ 2625 if (stp == NULL) 2626 { 2627 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2628 st.st_dev = (dev_T)-1; 2629 stp = &st; 2630 } 2631 /* Use dev/ino to check if the files are the same, even when the names 2632 * are different (possible with links). Still need to compare the 2633 * name above, for when the file doesn't exist yet. 2634 * Problem: The dev/ino changes when a file is deleted (and created 2635 * again) and remains the same when renamed/moved. We don't want to 2636 * mch_stat() each buffer each time, that would be too slow. Get the 2637 * dev/ino again when they appear to match, but not when they appear 2638 * to be different: Could skip a buffer when it's actually the same 2639 * file. */ 2640 if (buf_same_ino(buf, stp)) 2641 { 2642 buf_setino(buf); 2643 if (buf_same_ino(buf, stp)) 2644 return FALSE; 2645 } 2646 } 2647 #endif 2648 return TRUE; 2649 } 2650 2651 #if defined(UNIX) || defined(PROTO) 2652 /* 2653 * Set inode and device number for a buffer. 2654 * Must always be called when b_fname is changed!. 2655 */ 2656 void 2657 buf_setino(buf) 2658 buf_T *buf; 2659 { 2660 struct stat st; 2661 2662 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2663 { 2664 buf->b_dev = st.st_dev; 2665 buf->b_ino = st.st_ino; 2666 } 2667 else 2668 buf->b_dev = -1; 2669 } 2670 2671 /* 2672 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2673 */ 2674 static int 2675 buf_same_ino(buf, stp) 2676 buf_T *buf; 2677 struct stat *stp; 2678 { 2679 return (buf->b_dev >= 0 2680 && stp->st_dev == buf->b_dev 2681 && stp->st_ino == buf->b_ino); 2682 } 2683 #endif 2684 2685 void 2686 fileinfo(fullname, shorthelp, dont_truncate) 2687 int fullname; 2688 int shorthelp; 2689 int dont_truncate; 2690 { 2691 char_u *name; 2692 int n; 2693 char_u *p; 2694 char_u *buffer; 2695 2696 buffer = alloc(IOSIZE); 2697 if (buffer == NULL) 2698 return; 2699 2700 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2701 { 2702 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2703 p = buffer + STRLEN(buffer); 2704 } 2705 else 2706 p = buffer; 2707 2708 *p++ = '"'; 2709 if (buf_spname(curbuf) != NULL) 2710 STRCPY(p, buf_spname(curbuf)); 2711 else 2712 { 2713 if (!fullname && curbuf->b_fname != NULL) 2714 name = curbuf->b_fname; 2715 else 2716 name = curbuf->b_ffname; 2717 home_replace(shorthelp ? curbuf : NULL, name, p, 2718 (int)(IOSIZE - (p - buffer)), TRUE); 2719 } 2720 2721 sprintf((char *)buffer + STRLEN(buffer), 2722 "\"%s%s%s%s%s%s", 2723 curbufIsChanged() ? (shortmess(SHM_MOD) 2724 ? " [+]" : _(" [Modified]")) : " ", 2725 (curbuf->b_flags & BF_NOTEDITED) 2726 #ifdef FEAT_QUICKFIX 2727 && !bt_dontwrite(curbuf) 2728 #endif 2729 ? _("[Not edited]") : "", 2730 (curbuf->b_flags & BF_NEW) 2731 #ifdef FEAT_QUICKFIX 2732 && !bt_dontwrite(curbuf) 2733 #endif 2734 ? _("[New file]") : "", 2735 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2736 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2737 : _("[readonly]")) : "", 2738 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2739 || curbuf->b_p_ro) ? 2740 " " : ""); 2741 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2742 * causes an overflow, thus for large numbers divide instead. */ 2743 if (curwin->w_cursor.lnum > 1000000L) 2744 n = (int)(((long)curwin->w_cursor.lnum) / 2745 ((long)curbuf->b_ml.ml_line_count / 100L)); 2746 else 2747 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2748 (long)curbuf->b_ml.ml_line_count); 2749 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2750 { 2751 STRCPY(buffer + STRLEN(buffer), _(no_lines_msg)); 2752 } 2753 #ifdef FEAT_CMDL_INFO 2754 else if (p_ru) 2755 { 2756 /* Current line and column are already on the screen -- webb */ 2757 if (curbuf->b_ml.ml_line_count == 1) 2758 sprintf((char *)buffer + STRLEN(buffer), _("1 line --%d%%--"), n); 2759 else 2760 sprintf((char *)buffer + STRLEN(buffer), _("%ld lines --%d%%--"), 2761 (long)curbuf->b_ml.ml_line_count, n); 2762 } 2763 #endif 2764 else 2765 { 2766 sprintf((char *)buffer + STRLEN(buffer), 2767 _("line %ld of %ld --%d%%-- col "), 2768 (long)curwin->w_cursor.lnum, 2769 (long)curbuf->b_ml.ml_line_count, 2770 n); 2771 validate_virtcol(); 2772 col_print(buffer + STRLEN(buffer), 2773 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2774 } 2775 2776 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2777 2778 if (dont_truncate) 2779 { 2780 /* Temporarily set msg_scroll to avoid the message being truncated. 2781 * First call msg_start() to get the message in the right place. */ 2782 msg_start(); 2783 n = msg_scroll; 2784 msg_scroll = TRUE; 2785 msg(buffer); 2786 msg_scroll = n; 2787 } 2788 else 2789 { 2790 p = msg_trunc_attr(buffer, FALSE, 0); 2791 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2792 { 2793 /* Need to repeat the message after redrawing when: 2794 * - When restart_edit is set (otherwise there will be a delay 2795 * before redrawing). 2796 * - When the screen was scrolled but there is no wait-return 2797 * prompt. */ 2798 set_keep_msg(p); 2799 keep_msg_attr = 0; 2800 } 2801 } 2802 2803 vim_free(buffer); 2804 } 2805 2806 void 2807 col_print(buf, col, vcol) 2808 char_u *buf; 2809 int col; 2810 int vcol; 2811 { 2812 if (col == vcol) 2813 sprintf((char *)buf, "%d", col); 2814 else 2815 sprintf((char *)buf, "%d-%d", col, vcol); 2816 } 2817 2818 #if defined(FEAT_TITLE) || defined(PROTO) 2819 /* 2820 * put file name in title bar of window and in icon title 2821 */ 2822 2823 static char_u *lasttitle = NULL; 2824 static char_u *lasticon = NULL; 2825 2826 void 2827 maketitle() 2828 { 2829 char_u *p; 2830 char_u *t_str = NULL; 2831 char_u *i_name; 2832 char_u *i_str = NULL; 2833 int maxlen = 0; 2834 int len; 2835 int mustset; 2836 char_u buf[IOSIZE]; 2837 int off; 2838 2839 if (!redrawing()) 2840 { 2841 /* Postpone updating the title when 'lazyredraw' is set. */ 2842 need_maketitle = TRUE; 2843 return; 2844 } 2845 2846 need_maketitle = FALSE; 2847 if (!p_title && !p_icon) 2848 return; 2849 2850 if (p_title) 2851 { 2852 if (p_titlelen > 0) 2853 { 2854 maxlen = p_titlelen * Columns / 100; 2855 if (maxlen < 10) 2856 maxlen = 10; 2857 } 2858 2859 t_str = buf; 2860 if (*p_titlestring != NUL) 2861 { 2862 #ifdef FEAT_STL_OPT 2863 if (stl_syntax & STL_IN_TITLE) 2864 build_stl_str_hl(curwin, t_str, sizeof(buf), 2865 p_titlestring, 0, maxlen, NULL); 2866 else 2867 #endif 2868 t_str = p_titlestring; 2869 } 2870 else 2871 { 2872 /* format: "fname + (path) (1 of 2) - VIM" */ 2873 2874 if (curbuf->b_fname == NULL) 2875 STRCPY(buf, _("[No file]")); 2876 else 2877 { 2878 p = transstr(gettail(curbuf->b_fname)); 2879 STRNCPY(buf, p, IOSIZE - 100); 2880 vim_free(p); 2881 buf[IOSIZE - 100] = NUL; /* in case it was too long */ 2882 } 2883 2884 switch (bufIsChanged(curbuf) 2885 + (curbuf->b_p_ro * 2) 2886 + (!curbuf->b_p_ma * 4)) 2887 { 2888 case 1: STRCAT(buf, " +"); break; 2889 case 2: STRCAT(buf, " ="); break; 2890 case 3: STRCAT(buf, " =+"); break; 2891 case 4: 2892 case 6: STRCAT(buf, " -"); break; 2893 case 5: 2894 case 7: STRCAT(buf, " -+"); break; 2895 } 2896 2897 if (curbuf->b_fname != NULL) 2898 { 2899 /* Get path of file, replace home dir with ~ */ 2900 off = (int)STRLEN(buf); 2901 buf[off++] = ' '; 2902 buf[off++] = '('; 2903 home_replace(curbuf, curbuf->b_ffname, 2904 buf + off, IOSIZE - off, TRUE); 2905 #ifdef BACKSLASH_IN_FILENAME 2906 /* avoid "c:/name" to be reduced to "c" */ 2907 if (isalpha(buf[off]) && buf[off + 1] == ':') 2908 off += 2; 2909 #endif 2910 /* remove the file name */ 2911 p = gettail(buf + off); 2912 if (p == buf + off) 2913 { 2914 /* must be a help buffer */ 2915 STRCPY(buf + off, _("help")); 2916 } 2917 else 2918 { 2919 while (p > buf + off + 1 && vim_ispathsep(p[-1])) 2920 --p; 2921 #ifdef VMS 2922 /* path separator is part of the path */ 2923 ++p; 2924 #endif 2925 *p = NUL; 2926 } 2927 /* translate unprintable chars */ 2928 p = transstr(buf + off); 2929 STRNCPY(buf + off, p, IOSIZE - off); 2930 vim_free(p); 2931 buf[IOSIZE - 1] = NUL; /* in case it was too long */ 2932 STRCAT(buf, ")"); 2933 } 2934 2935 append_arg_number(curwin, buf, FALSE, IOSIZE); 2936 2937 #if defined(FEAT_CLIENTSERVER) 2938 if (serverName != NULL) 2939 { 2940 STRCAT(buf, " - "); 2941 STRCAT(buf, serverName); 2942 } 2943 else 2944 #endif 2945 STRCAT(buf, " - VIM"); 2946 2947 if (maxlen > 0) 2948 { 2949 /* make it shorter by removing a bit in the middle */ 2950 len = vim_strsize(buf); 2951 if (len > maxlen) 2952 trunc_string(buf, buf, maxlen); 2953 } 2954 } 2955 } 2956 mustset = ti_change(t_str, &lasttitle); 2957 2958 if (p_icon) 2959 { 2960 i_str = buf; 2961 if (*p_iconstring != NUL) 2962 { 2963 #ifdef FEAT_STL_OPT 2964 if (stl_syntax & STL_IN_ICON) 2965 build_stl_str_hl(curwin, i_str, sizeof(buf), 2966 p_iconstring, 0, 0, NULL); 2967 else 2968 #endif 2969 i_str = p_iconstring; 2970 } 2971 else 2972 { 2973 if (buf_spname(curbuf) != NULL) 2974 i_name = (char_u *)buf_spname(curbuf); 2975 else /* use file name only in icon */ 2976 i_name = gettail(curbuf->b_ffname); 2977 *i_str = NUL; 2978 /* Truncate name at 100 bytes. */ 2979 len = STRLEN(i_name); 2980 if (len > 100) 2981 { 2982 len -= 100; 2983 #ifdef FEAT_MBYTE 2984 if (has_mbyte) 2985 len += (*mb_tail_off)(i_name, i_name + len) + 1; 2986 #endif 2987 i_name += len; 2988 } 2989 STRCPY(i_str, i_name); 2990 trans_characters(i_str, IOSIZE); 2991 } 2992 } 2993 2994 mustset |= ti_change(i_str, &lasticon); 2995 2996 if (mustset) 2997 resettitle(); 2998 } 2999 3000 /* 3001 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3002 * from "str" if it does. 3003 * Return TRUE when "*last" changed. 3004 */ 3005 static int 3006 ti_change(str, last) 3007 char_u *str; 3008 char_u **last; 3009 { 3010 if ((str == NULL) != (*last == NULL) 3011 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3012 { 3013 vim_free(*last); 3014 if (str == NULL) 3015 *last = NULL; 3016 else 3017 *last = vim_strsave(str); 3018 return TRUE; 3019 } 3020 return FALSE; 3021 } 3022 3023 /* 3024 * Put current window title back (used after calling a shell) 3025 */ 3026 void 3027 resettitle() 3028 { 3029 mch_settitle(lasttitle, lasticon); 3030 } 3031 #endif /* FEAT_TITLE */ 3032 3033 #if defined(FEAT_STL_OPT) || defined(PROTO) 3034 /* 3035 * Build a string from the status line items in fmt. 3036 * Return length of string in screen cells. 3037 * 3038 * Items are drawn interspersed with the text that surrounds it 3039 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3040 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3041 * 3042 * If maxwidth is not zero, the string will be filled at any middle marker 3043 * or truncated if too long, fillchar is used for all whitespace. 3044 */ 3045 int 3046 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3047 win_T *wp; 3048 char_u *out; /* buffer to write into */ 3049 size_t outlen; /* length of out[] */ 3050 char_u *fmt; 3051 int fillchar; 3052 int maxwidth; 3053 struct stl_hlrec *hl; 3054 { 3055 char_u *p; 3056 char_u *s; 3057 char_u *t; 3058 char_u *linecont; 3059 #ifdef FEAT_EVAL 3060 win_T *o_curwin; 3061 buf_T *o_curbuf; 3062 #endif 3063 int empty_line; 3064 colnr_T virtcol; 3065 long l; 3066 long n; 3067 int prevchar_isflag; 3068 int prevchar_isitem; 3069 int itemisflag; 3070 int fillable; 3071 char_u *str; 3072 long num; 3073 int width; 3074 int itemcnt; 3075 int curitem; 3076 int groupitem[STL_MAX_ITEM]; 3077 int groupdepth; 3078 struct stl_item 3079 { 3080 char_u *start; 3081 int minwid; 3082 int maxwid; 3083 enum 3084 { 3085 Normal, 3086 Empty, 3087 Group, 3088 Middle, 3089 Highlight, 3090 Trunc 3091 } type; 3092 } item[STL_MAX_ITEM]; 3093 int minwid; 3094 int maxwid; 3095 int zeropad; 3096 char_u base; 3097 char_u opt; 3098 #define TMPLEN 70 3099 char_u tmp[TMPLEN]; 3100 3101 if (fillchar == 0) 3102 fillchar = ' '; 3103 /* 3104 * Get line & check if empty (cursorpos will show "0-1"). 3105 * If inversion is possible we use it. Else '=' characters are used. 3106 */ 3107 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3108 empty_line = (*linecont == NUL); 3109 3110 groupdepth = 0; 3111 p = out; 3112 curitem = 0; 3113 prevchar_isflag = TRUE; 3114 prevchar_isitem = FALSE; 3115 for (s = fmt; *s;) 3116 { 3117 if (*s != NUL && *s != '%') 3118 prevchar_isflag = prevchar_isitem = FALSE; 3119 3120 /* 3121 * Handle up to the next '%' or the end. 3122 */ 3123 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3124 *p++ = *s++; 3125 if (*s == NUL || p + 1 >= out + outlen) 3126 break; 3127 3128 /* 3129 * Handle one '%' item. 3130 */ 3131 s++; 3132 if (*s == '%') 3133 { 3134 if (p + 1 >= out + outlen) 3135 break; 3136 *p++ = *s++; 3137 prevchar_isflag = prevchar_isitem = FALSE; 3138 continue; 3139 } 3140 if (*s == STL_MIDDLEMARK) 3141 { 3142 s++; 3143 if (groupdepth > 0) 3144 continue; 3145 item[curitem].type = Middle; 3146 item[curitem++].start = p; 3147 continue; 3148 } 3149 if (*s == STL_TRUNCMARK) 3150 { 3151 s++; 3152 item[curitem].type = Trunc; 3153 item[curitem++].start = p; 3154 continue; 3155 } 3156 if (*s == ')') 3157 { 3158 s++; 3159 if (groupdepth < 1) 3160 continue; 3161 groupdepth--; 3162 3163 t = item[groupitem[groupdepth]].start; 3164 *p = NUL; 3165 l = vim_strsize(t); 3166 if (curitem > groupitem[groupdepth] + 1 3167 && item[groupitem[groupdepth]].minwid == 0) 3168 { 3169 /* remove group if all items are empty */ 3170 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3171 if (item[n].type == Normal) 3172 break; 3173 if (n == curitem) 3174 { 3175 p = t; 3176 l = 0; 3177 } 3178 } 3179 if (l > item[groupitem[groupdepth]].maxwid) 3180 { 3181 /* truncate, remove n bytes of text at the start */ 3182 #ifdef FEAT_MBYTE 3183 if (has_mbyte) 3184 { 3185 /* Find the first character that should be included. */ 3186 n = 0; 3187 while (l >= item[groupitem[groupdepth]].maxwid) 3188 { 3189 l -= ptr2cells(t + n); 3190 n += (*mb_ptr2len_check)(t + n); 3191 } 3192 } 3193 else 3194 #endif 3195 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3196 3197 *t = '<'; 3198 mch_memmove(t + 1, t + n, p - (t + n)); 3199 p = p - n + 1; 3200 #ifdef FEAT_MBYTE 3201 /* Fill up space left over by half a double-wide char. */ 3202 while (++l < item[groupitem[groupdepth]].minwid) 3203 *p++ = fillchar; 3204 #endif 3205 3206 /* correct the start of the items for the truncation */ 3207 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3208 { 3209 item[l].start -= n; 3210 if (item[l].start < t) 3211 item[l].start = t; 3212 } 3213 } 3214 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3215 { 3216 /* fill */ 3217 n = item[groupitem[groupdepth]].minwid; 3218 if (n < 0) 3219 { 3220 /* fill by appending characters */ 3221 n = 0 - n; 3222 while (l++ < n && p + 1 < out + outlen) 3223 *p++ = fillchar; 3224 } 3225 else 3226 { 3227 /* fill by inserting characters */ 3228 mch_memmove(t + n - l, t, p - t); 3229 l = n - l; 3230 if (p + l >= out + outlen) 3231 l = (out + outlen) - p - 1; 3232 p += l; 3233 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3234 item[n].start += l; 3235 for ( ; l > 0; l--) 3236 *t++ = fillchar; 3237 } 3238 } 3239 continue; 3240 } 3241 minwid = 0; 3242 maxwid = 9999; 3243 zeropad = FALSE; 3244 l = 1; 3245 if (*s == '0') 3246 { 3247 s++; 3248 zeropad = TRUE; 3249 } 3250 if (*s == '-') 3251 { 3252 s++; 3253 l = -1; 3254 } 3255 if (VIM_ISDIGIT(*s)) 3256 { 3257 minwid = (int)getdigits(&s); 3258 if (minwid < 0) /* overflow */ 3259 minwid = 0; 3260 } 3261 if (*s == STL_HIGHLIGHT) 3262 { 3263 item[curitem].type = Highlight; 3264 item[curitem].start = p; 3265 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3266 s++; 3267 curitem++; 3268 continue; 3269 } 3270 if (*s == '.') 3271 { 3272 s++; 3273 if (VIM_ISDIGIT(*s)) 3274 { 3275 maxwid = (int)getdigits(&s); 3276 if (maxwid <= 0) /* overflow */ 3277 maxwid = 50; 3278 } 3279 } 3280 minwid = (minwid > 50 ? 50 : minwid) * l; 3281 if (*s == '(') 3282 { 3283 groupitem[groupdepth++] = curitem; 3284 item[curitem].type = Group; 3285 item[curitem].start = p; 3286 item[curitem].minwid = minwid; 3287 item[curitem].maxwid = maxwid; 3288 s++; 3289 curitem++; 3290 continue; 3291 } 3292 if (vim_strchr(STL_ALL, *s) == NULL) 3293 { 3294 s++; 3295 continue; 3296 } 3297 opt = *s++; 3298 3299 /* OK - now for the real work */ 3300 base = 'D'; 3301 itemisflag = FALSE; 3302 fillable = TRUE; 3303 num = -1; 3304 str = NULL; 3305 switch (opt) 3306 { 3307 case STL_FILEPATH: 3308 case STL_FULLPATH: 3309 case STL_FILENAME: 3310 fillable = FALSE; /* don't change ' ' to fillchar */ 3311 if (buf_spname(wp->w_buffer) != NULL) 3312 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3313 else 3314 { 3315 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3316 : wp->w_buffer->b_fname; 3317 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3318 } 3319 trans_characters(NameBuff, MAXPATHL); 3320 if (opt != STL_FILENAME) 3321 str = NameBuff; 3322 else 3323 str = gettail(NameBuff); 3324 break; 3325 3326 case STL_VIM_EXPR: /* '{' */ 3327 itemisflag = TRUE; 3328 t = p; 3329 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3330 *p++ = *s++; 3331 if (*s != '}') /* missing '}' or out of space */ 3332 break; 3333 s++; 3334 *p = 0; 3335 p = t; 3336 3337 #ifdef FEAT_EVAL 3338 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3339 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3340 3341 o_curbuf = curbuf; 3342 o_curwin = curwin; 3343 curwin = wp; 3344 curbuf = wp->w_buffer; 3345 3346 str = eval_to_string_safe(p, &t); 3347 3348 curwin = o_curwin; 3349 curbuf = o_curbuf; 3350 do_unlet((char_u *)"g:actual_curbuf"); 3351 3352 if (str != NULL && *str != 0) 3353 { 3354 if (*skipdigits(str) == NUL) 3355 { 3356 num = atoi((char *)str); 3357 vim_free(str); 3358 str = NULL; 3359 itemisflag = FALSE; 3360 } 3361 } 3362 #endif 3363 break; 3364 3365 case STL_LINE: 3366 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3367 ? 0L : (long)(wp->w_cursor.lnum); 3368 break; 3369 3370 case STL_NUMLINES: 3371 num = wp->w_buffer->b_ml.ml_line_count; 3372 break; 3373 3374 case STL_COLUMN: 3375 num = !(State & INSERT) && empty_line 3376 ? 0 : (int)wp->w_cursor.col + 1; 3377 break; 3378 3379 case STL_VIRTCOL: 3380 case STL_VIRTCOL_ALT: 3381 /* In list mode virtcol needs to be recomputed */ 3382 virtcol = wp->w_virtcol; 3383 if (wp->w_p_list && lcs_tab1 == NUL) 3384 { 3385 wp->w_p_list = FALSE; 3386 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3387 wp->w_p_list = TRUE; 3388 } 3389 ++virtcol; 3390 /* Don't display %V if it's the same as %c. */ 3391 if (opt == STL_VIRTCOL_ALT 3392 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3393 ? 0 : (int)wp->w_cursor.col + 1))) 3394 break; 3395 num = (long)virtcol; 3396 break; 3397 3398 case STL_PERCENTAGE: 3399 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3400 (long)wp->w_buffer->b_ml.ml_line_count); 3401 break; 3402 3403 case STL_ALTPERCENT: 3404 str = tmp; 3405 get_rel_pos(wp, str); 3406 break; 3407 3408 case STL_ARGLISTSTAT: 3409 fillable = FALSE; 3410 tmp[0] = 0; 3411 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3412 str = tmp; 3413 break; 3414 3415 case STL_KEYMAP: 3416 fillable = FALSE; 3417 if (get_keymap_str(wp, tmp, TMPLEN)) 3418 str = tmp; 3419 break; 3420 case STL_PAGENUM: 3421 #ifdef FEAT_PRINTER 3422 num = get_printer_page_num(); 3423 #else 3424 num = 0; 3425 #endif 3426 break; 3427 3428 case STL_BUFNO: 3429 num = wp->w_buffer->b_fnum; 3430 break; 3431 3432 case STL_OFFSET_X: 3433 base = 'X'; 3434 case STL_OFFSET: 3435 #ifdef FEAT_BYTEOFF 3436 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3437 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3438 0L : l + 1 + (!(State & INSERT) && empty_line ? 3439 0 : (int)wp->w_cursor.col); 3440 #endif 3441 break; 3442 3443 case STL_BYTEVAL_X: 3444 base = 'X'; 3445 case STL_BYTEVAL: 3446 if (((State & INSERT) && wp == curwin) || empty_line) 3447 num = 0; 3448 else 3449 { 3450 #ifdef FEAT_MBYTE 3451 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3452 #else 3453 num = linecont[wp->w_cursor.col]; 3454 #endif 3455 } 3456 if (num == NL) 3457 num = 0; 3458 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3459 num = NL; 3460 break; 3461 3462 case STL_ROFLAG: 3463 case STL_ROFLAG_ALT: 3464 itemisflag = TRUE; 3465 if (wp->w_buffer->b_p_ro) 3466 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3467 break; 3468 3469 case STL_HELPFLAG: 3470 case STL_HELPFLAG_ALT: 3471 itemisflag = TRUE; 3472 if (wp->w_buffer->b_help) 3473 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3474 : _("[help]")); 3475 break; 3476 3477 #ifdef FEAT_AUTOCMD 3478 case STL_FILETYPE: 3479 if (*wp->w_buffer->b_p_ft != NUL 3480 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3481 { 3482 sprintf((char *)tmp, "[%s]", wp->w_buffer->b_p_ft); 3483 str = tmp; 3484 } 3485 break; 3486 3487 case STL_FILETYPE_ALT: 3488 itemisflag = TRUE; 3489 if (*wp->w_buffer->b_p_ft != NUL 3490 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3491 { 3492 sprintf((char *)tmp, ",%s", wp->w_buffer->b_p_ft); 3493 for (t = tmp; *t != 0; t++) 3494 *t = TOUPPER_LOC(*t); 3495 str = tmp; 3496 } 3497 break; 3498 #endif 3499 3500 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3501 case STL_PREVIEWFLAG: 3502 case STL_PREVIEWFLAG_ALT: 3503 itemisflag = TRUE; 3504 if (wp->w_p_pvw) 3505 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3506 : _("[Preview]")); 3507 break; 3508 #endif 3509 3510 case STL_MODIFIED: 3511 case STL_MODIFIED_ALT: 3512 itemisflag = TRUE; 3513 switch ((opt == STL_MODIFIED_ALT) 3514 + bufIsChanged(wp->w_buffer) * 2 3515 + (!wp->w_buffer->b_p_ma) * 4) 3516 { 3517 case 2: str = (char_u *)"[+]"; break; 3518 case 3: str = (char_u *)",+"; break; 3519 case 4: str = (char_u *)"[-]"; break; 3520 case 5: str = (char_u *)",-"; break; 3521 case 6: str = (char_u *)"[+-]"; break; 3522 case 7: str = (char_u *)",+-"; break; 3523 } 3524 break; 3525 } 3526 3527 item[curitem].start = p; 3528 item[curitem].type = Normal; 3529 if (str != NULL && *str) 3530 { 3531 t = str; 3532 if (itemisflag) 3533 { 3534 if ((t[0] && t[1]) 3535 && ((!prevchar_isitem && *t == ',') 3536 || (prevchar_isflag && *t == ' '))) 3537 t++; 3538 prevchar_isflag = TRUE; 3539 } 3540 l = vim_strsize(t); 3541 if (l > 0) 3542 prevchar_isitem = TRUE; 3543 if (l > maxwid) 3544 { 3545 while (l >= maxwid) 3546 #ifdef FEAT_MBYTE 3547 if (has_mbyte) 3548 { 3549 l -= ptr2cells(t); 3550 t += (*mb_ptr2len_check)(t); 3551 } 3552 else 3553 #endif 3554 l -= byte2cells(*t++); 3555 if (p + 1 >= out + outlen) 3556 break; 3557 *p++ = '<'; 3558 } 3559 if (minwid > 0) 3560 { 3561 for (; l < minwid && p + 1 < out + outlen; l++) 3562 { 3563 /* Don't put a "-" in front of a digit. */ 3564 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3565 *p++ = ' '; 3566 else 3567 *p++ = fillchar; 3568 } 3569 minwid = 0; 3570 } 3571 else 3572 minwid *= -1; 3573 while (*t && p + 1 < out + outlen) 3574 { 3575 *p++ = *t++; 3576 /* Change a space by fillchar, unless fillchar is '-' and a 3577 * digit follows. */ 3578 if (fillable && p[-1] == ' ' 3579 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3580 p[-1] = fillchar; 3581 } 3582 for (; l < minwid && p + 1 < out + outlen; l++) 3583 *p++ = fillchar; 3584 } 3585 else if (num >= 0) 3586 { 3587 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3588 char_u nstr[20]; 3589 3590 if (p + 20 >= out + outlen) 3591 break; /* not sufficient space */ 3592 prevchar_isitem = TRUE; 3593 t = nstr; 3594 if (opt == STL_VIRTCOL_ALT) 3595 { 3596 *t++ = '-'; 3597 minwid--; 3598 } 3599 *t++ = '%'; 3600 if (zeropad) 3601 *t++ = '0'; 3602 *t++ = '*'; 3603 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3604 *t = 0; 3605 3606 for (n = num, l = 1; n >= nbase; n /= nbase) 3607 l++; 3608 if (opt == STL_VIRTCOL_ALT) 3609 l++; 3610 if (l > maxwid) 3611 { 3612 l += 2; 3613 n = l - maxwid; 3614 while (l-- > maxwid) 3615 num /= nbase; 3616 *t++ = '>'; 3617 *t++ = '%'; 3618 *t = t[-3]; 3619 *++t = 0; 3620 sprintf((char *)p, (char *)nstr, 0, num, n); 3621 } 3622 else 3623 sprintf((char *)p, (char *)nstr, minwid, num); 3624 p += STRLEN(p); 3625 } 3626 else 3627 item[curitem].type = Empty; 3628 3629 if (opt == STL_VIM_EXPR) 3630 vim_free(str); 3631 3632 if (num >= 0 || (!itemisflag && str && *str)) 3633 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3634 curitem++; 3635 } 3636 *p = NUL; 3637 itemcnt = curitem; 3638 3639 width = vim_strsize(out); 3640 if (maxwidth > 0 && width > maxwidth) 3641 { 3642 /* Result is too long, must trunctate somewhere. */ 3643 l = 0; 3644 if (itemcnt == 0) 3645 s = out; 3646 else 3647 { 3648 for ( ; l < itemcnt; l++) 3649 if (item[l].type == Trunc) 3650 { 3651 /* Truncate at %< item. */ 3652 s = item[l].start; 3653 break; 3654 } 3655 if (l == itemcnt) 3656 { 3657 /* No %< item, truncate first item. */ 3658 s = item[0].start; 3659 l = 0; 3660 } 3661 } 3662 3663 if (width - vim_strsize(s) >= maxwidth) 3664 { 3665 /* Truncation mark is beyond max length */ 3666 #ifdef FEAT_MBYTE 3667 if (has_mbyte) 3668 { 3669 s = out; 3670 width = 0; 3671 for (;;) 3672 { 3673 width += ptr2cells(s); 3674 if (width >= maxwidth) 3675 break; 3676 s += (*mb_ptr2len_check)(s); 3677 } 3678 /* Fill up for half a double-wide character. */ 3679 while (++width < maxwidth) 3680 *s++ = fillchar; 3681 } 3682 else 3683 #endif 3684 s = out + maxwidth - 1; 3685 for (l = 0; l < itemcnt; l++) 3686 if (item[l].start > s) 3687 break; 3688 itemcnt = l; 3689 *s++ = '>'; 3690 *s = 0; 3691 } 3692 else 3693 { 3694 #ifdef FEAT_MBYTE 3695 if (has_mbyte) 3696 { 3697 n = 0; 3698 while (width >= maxwidth) 3699 { 3700 width -= ptr2cells(s + n); 3701 n += (*mb_ptr2len_check)(s + n); 3702 } 3703 } 3704 else 3705 #endif 3706 n = width - maxwidth + 1; 3707 p = s + n; 3708 mch_memmove(s + 1, p, STRLEN(p) + 1); 3709 *s = '<'; 3710 3711 /* Fill up for half a double-wide character. */ 3712 while (++width < maxwidth) 3713 { 3714 s = s + STRLEN(s); 3715 *s++ = fillchar; 3716 *s = NUL; 3717 } 3718 3719 --n; /* count the '<' */ 3720 for (; l < itemcnt; l++) 3721 { 3722 if (item[l].start - n >= s) 3723 item[l].start -= n; 3724 else 3725 item[l].start = s; 3726 } 3727 } 3728 width = maxwidth; 3729 } 3730 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3731 { 3732 /* Apply STL_MIDDLE if any */ 3733 for (l = 0; l < itemcnt; l++) 3734 if (item[l].type == Middle) 3735 break; 3736 if (l < itemcnt) 3737 { 3738 p = item[l].start + maxwidth - width; 3739 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3740 for (s = item[l].start; s < p; s++) 3741 *s = fillchar; 3742 for (l++; l < itemcnt; l++) 3743 item[l].start += maxwidth - width; 3744 width = maxwidth; 3745 } 3746 } 3747 3748 if (hl != NULL) 3749 { 3750 for (l = 0; l < itemcnt; l++) 3751 { 3752 if (item[l].type == Highlight) 3753 { 3754 hl->start = item[l].start; 3755 hl->userhl = item[l].minwid; 3756 hl++; 3757 } 3758 } 3759 hl->start = NULL; 3760 hl->userhl = 0; 3761 } 3762 3763 return width; 3764 } 3765 #endif /* FEAT_STL_OPT */ 3766 3767 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3768 /* 3769 * Get relative cursor position in window, in the form 99%, using "Top", "Bot" 3770 * or "All" when appropriate. 3771 */ 3772 void 3773 get_rel_pos(wp, str) 3774 win_T *wp; 3775 char_u *str; 3776 { 3777 long above; /* number of lines above window */ 3778 long below; /* number of lines below window */ 3779 3780 above = wp->w_topline - 1; 3781 #ifdef FEAT_DIFF 3782 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3783 #endif 3784 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3785 if (below <= 0) 3786 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3787 else if (above <= 0) 3788 STRCPY(str, _("Top")); 3789 else 3790 sprintf((char *)str, "%2d%%", above > 1000000L 3791 ? (int)(above / ((above + below) / 100L)) 3792 : (int)(above * 100L / (above + below))); 3793 } 3794 #endif 3795 3796 /* 3797 * Append (file 2 of 8) to 'buf', if editing more than one file. 3798 * Return TRUE if it was appended. 3799 */ 3800 int 3801 append_arg_number(wp, buf, add_file, maxlen) 3802 win_T *wp; 3803 char_u *buf; 3804 int add_file; /* Add "file" before the arg number */ 3805 int maxlen; /* maximum nr of chars in buf or zero*/ 3806 { 3807 char_u *p; 3808 3809 if (ARGCOUNT <= 1) /* nothing to do */ 3810 return FALSE; 3811 3812 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3813 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3814 return FALSE; 3815 *p++ = ' '; 3816 *p++ = '('; 3817 if (add_file) 3818 { 3819 STRCPY(p, "file "); 3820 p += 5; 3821 } 3822 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3823 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3824 return TRUE; 3825 } 3826 3827 /* 3828 * If fname is not a full path, make it a full path. 3829 * Returns pointer to allocated memory (NULL for failure). 3830 */ 3831 char_u * 3832 fix_fname(fname) 3833 char_u *fname; 3834 { 3835 /* 3836 * Force expanding the path always for Unix, because symbolic links may 3837 * mess up the full path name, even though it starts with a '/'. 3838 * Also expand when there is ".." in the file name, try to remove it, 3839 * because "c:/src/../README" is equal to "c:/README". 3840 * For MS-Windows also expand names like "longna~1" to "longname". 3841 */ 3842 #ifdef UNIX 3843 return FullName_save(fname, TRUE); 3844 #else 3845 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 3846 #if defined(MSWIN) || defined(DJGPP) 3847 || vim_strchr(fname, '~') != NULL 3848 #endif 3849 ) 3850 return FullName_save(fname, FALSE); 3851 3852 fname = vim_strsave(fname); 3853 3854 #ifdef USE_FNAME_CASE 3855 # ifdef USE_LONG_FNAME 3856 if (USE_LONG_FNAME) 3857 # endif 3858 { 3859 if (fname != NULL) 3860 fname_case(fname, 0); /* set correct case for file name */ 3861 } 3862 #endif 3863 3864 return fname; 3865 #endif 3866 } 3867 3868 /* 3869 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 3870 * "ffname" becomes a pointer to allocated memory (or NULL). 3871 */ 3872 /*ARGSUSED*/ 3873 void 3874 fname_expand(buf, ffname, sfname) 3875 buf_T *buf; 3876 char_u **ffname; 3877 char_u **sfname; 3878 { 3879 if (*ffname == NULL) /* if no file name given, nothing to do */ 3880 return; 3881 if (*sfname == NULL) /* if no short file name given, use ffname */ 3882 *sfname = *ffname; 3883 *ffname = fix_fname(*ffname); /* expand to full path */ 3884 3885 #ifdef FEAT_SHORTCUT 3886 if (!buf->b_p_bin) 3887 { 3888 char_u *rfname = NULL; 3889 3890 /* If the file name is a shortcut file, use the file it links to. */ 3891 rfname = mch_resolve_shortcut(*ffname); 3892 if (rfname) 3893 { 3894 vim_free(*ffname); 3895 *ffname = rfname; 3896 *sfname = rfname; 3897 } 3898 } 3899 #endif 3900 } 3901 3902 /* 3903 * Get the file name for an argument list entry. 3904 */ 3905 char_u * 3906 alist_name(aep) 3907 aentry_T *aep; 3908 { 3909 buf_T *bp; 3910 3911 /* Use the name from the associated buffer if it exists. */ 3912 bp = buflist_findnr(aep->ae_fnum); 3913 if (bp == NULL) 3914 return aep->ae_fname; 3915 return bp->b_fname; 3916 } 3917 3918 #if defined(FEAT_WINDOWS) || defined(PROTO) 3919 /* 3920 * do_arg_all(): Open up to 'count' windows, one for each argument. 3921 */ 3922 void 3923 do_arg_all(count, forceit) 3924 int count; 3925 int forceit; /* hide buffers in current windows */ 3926 { 3927 int i; 3928 win_T *wp, *wpnext; 3929 char_u *opened; /* array of flags for which args are open */ 3930 int opened_len; /* lenght of opened[] */ 3931 int use_firstwin = FALSE; /* use first window for arglist */ 3932 int split_ret = OK; 3933 int p_ea_save; 3934 alist_T *alist; /* argument list to be used */ 3935 buf_T *buf; 3936 3937 if (ARGCOUNT <= 0) 3938 { 3939 /* Don't give an error message. We don't want it when the ":all" 3940 * command is in the .vimrc. */ 3941 return; 3942 } 3943 setpcmark(); 3944 3945 opened_len = ARGCOUNT; 3946 opened = alloc_clear((unsigned)opened_len); 3947 if (opened == NULL) 3948 return; 3949 3950 #ifdef FEAT_GUI 3951 need_mouse_correct = TRUE; 3952 #endif 3953 3954 /* 3955 * Try closing all windows that are not in the argument list. 3956 * Also close windows that are not full width; 3957 * When 'hidden' or "forceit" set the buffer becomes hidden. 3958 * Windows that have a changed buffer and can't be hidden won't be closed. 3959 */ 3960 for (wp = firstwin; wp != NULL; wp = wpnext) 3961 { 3962 wpnext = wp->w_next; 3963 buf = wp->w_buffer; 3964 if (buf->b_ffname == NULL 3965 || buf->b_nwindows > 1 3966 #ifdef FEAT_VERTSPLIT 3967 || wp->w_width != Columns 3968 #endif 3969 ) 3970 i = ARGCOUNT; 3971 else 3972 { 3973 /* check if the buffer in this window is in the arglist */ 3974 for (i = 0; i < ARGCOUNT; ++i) 3975 { 3976 if (ARGLIST[i].ae_fnum == buf->b_fnum 3977 || fullpathcmp(alist_name(&ARGLIST[i]), 3978 buf->b_ffname, TRUE) & FPC_SAME) 3979 { 3980 if (i < opened_len) 3981 opened[i] = TRUE; 3982 if (wp->w_alist != curwin->w_alist) 3983 { 3984 /* Use the current argument list for all windows 3985 * containing a file from it. */ 3986 alist_unlink(wp->w_alist); 3987 wp->w_alist = curwin->w_alist; 3988 ++wp->w_alist->al_refcount; 3989 } 3990 break; 3991 } 3992 } 3993 } 3994 wp->w_arg_idx = i; 3995 3996 if (i == ARGCOUNT) /* close this window */ 3997 { 3998 if (P_HID(buf) || forceit || buf->b_nwindows > 1 3999 || !bufIsChanged(buf)) 4000 { 4001 /* If the buffer was changed, and we would like to hide it, 4002 * try autowriting. */ 4003 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4004 { 4005 (void)autowrite(buf, FALSE); 4006 #ifdef FEAT_AUTOCMD 4007 /* check if autocommands removed the window */ 4008 if (!win_valid(wp) || !buf_valid(buf)) 4009 { 4010 wpnext = firstwin; /* start all over... */ 4011 continue; 4012 } 4013 #endif 4014 } 4015 #ifdef FEAT_WINDOWS 4016 if (firstwin == lastwin) /* can't close last window */ 4017 #endif 4018 use_firstwin = TRUE; 4019 #ifdef FEAT_WINDOWS 4020 else 4021 { 4022 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4023 # ifdef FEAT_AUTOCMD 4024 /* check if autocommands removed the next window */ 4025 if (!win_valid(wpnext)) 4026 wpnext = firstwin; /* start all over... */ 4027 # endif 4028 } 4029 #endif 4030 } 4031 } 4032 } 4033 4034 /* 4035 * Open a window for files in the argument list that don't have one. 4036 * ARGCOUNT may change while doing this, because of autocommands. 4037 */ 4038 if (count > ARGCOUNT || count <= 0) 4039 count = ARGCOUNT; 4040 4041 /* Autocommands may do anything to the argument list. Make sure it's not 4042 * freed while we are working here by "locking" it. We still have to 4043 * watch out for its size to be changed. */ 4044 alist = curwin->w_alist; 4045 ++alist->al_refcount; 4046 4047 #ifdef FEAT_AUTOCMD 4048 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4049 ++autocmd_no_enter; 4050 ++autocmd_no_leave; 4051 #endif 4052 win_enter(lastwin, FALSE); 4053 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4054 { 4055 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4056 arg_had_last = TRUE; 4057 if (i < opened_len && opened[i]) 4058 { 4059 /* Move the already present window to below the current window */ 4060 if (curwin->w_arg_idx != i) 4061 { 4062 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4063 { 4064 if (wpnext->w_arg_idx == i) 4065 { 4066 win_move_after(wpnext, curwin); 4067 break; 4068 } 4069 } 4070 } 4071 } 4072 else if (split_ret == OK) 4073 { 4074 if (!use_firstwin) /* split current window */ 4075 { 4076 p_ea_save = p_ea; 4077 p_ea = TRUE; /* use space from all windows */ 4078 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4079 p_ea = p_ea_save; 4080 if (split_ret == FAIL) 4081 continue; 4082 } 4083 #ifdef FEAT_AUTOCMD 4084 else /* first window: do autocmd for leaving this buffer */ 4085 --autocmd_no_leave; 4086 #endif 4087 4088 /* 4089 * edit file i 4090 */ 4091 curwin->w_arg_idx = i; 4092 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4093 ECMD_ONE, 4094 ((P_HID(curwin->w_buffer) 4095 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4096 + ECMD_OLDBUF); 4097 #ifdef FEAT_AUTOCMD 4098 if (use_firstwin) 4099 ++autocmd_no_leave; 4100 #endif 4101 use_firstwin = FALSE; 4102 } 4103 ui_breakcheck(); 4104 } 4105 4106 /* Remove the "lock" on the argument list. */ 4107 alist_unlink(alist); 4108 4109 #ifdef FEAT_AUTOCMD 4110 --autocmd_no_enter; 4111 #endif 4112 win_enter(firstwin, FALSE); /* back to first window */ 4113 #ifdef FEAT_AUTOCMD 4114 --autocmd_no_leave; 4115 #endif 4116 vim_free(opened); 4117 } 4118 4119 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4120 /* 4121 * Open a window for a number of buffers. 4122 */ 4123 void 4124 ex_buffer_all(eap) 4125 exarg_T *eap; 4126 { 4127 buf_T *buf; 4128 win_T *wp, *wpnext; 4129 int split_ret = OK; 4130 int p_ea_save; 4131 int open_wins = 0; 4132 int r; 4133 int count; /* Maximum number of windows to open. */ 4134 int all; /* When TRUE also load inactive buffers. */ 4135 4136 if (eap->addr_count == 0) /* make as many windows as possible */ 4137 count = 9999; 4138 else 4139 count = eap->line2; /* make as many windows as specified */ 4140 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4141 all = FALSE; 4142 else 4143 all = TRUE; 4144 4145 setpcmark(); 4146 4147 #ifdef FEAT_GUI 4148 need_mouse_correct = TRUE; 4149 #endif 4150 4151 /* 4152 * Close superfluous windows (two windows for the same buffer). 4153 * Also close windows that are not full-width. 4154 */ 4155 for (wp = firstwin; wp != NULL; wp = wpnext) 4156 { 4157 wpnext = wp->w_next; 4158 if (wp->w_buffer->b_nwindows > 1 4159 #ifdef FEAT_VERTSPLIT 4160 || ((cmdmod.split & WSP_VERT) 4161 ? wp->w_height + wp->w_status_height < Rows - p_ch 4162 : wp->w_width != Columns) 4163 #endif 4164 ) 4165 { 4166 win_close(wp, FALSE); 4167 #ifdef FEAT_AUTOCMD 4168 wpnext = firstwin; /* just in case an autocommand does something 4169 strange with windows */ 4170 open_wins = 0; 4171 #endif 4172 } 4173 else 4174 ++open_wins; 4175 } 4176 4177 /* 4178 * Go through the buffer list. When a buffer doesn't have a window yet, 4179 * open one. Otherwise move the window to the right position. 4180 * Watch out for autocommands that delete buffers or windows! 4181 */ 4182 #ifdef FEAT_AUTOCMD 4183 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4184 ++autocmd_no_enter; 4185 #endif 4186 win_enter(lastwin, FALSE); 4187 #ifdef FEAT_AUTOCMD 4188 ++autocmd_no_leave; 4189 #endif 4190 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4191 { 4192 /* Check if this buffer needs a window */ 4193 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4194 continue; 4195 4196 /* Check if this buffer already has a window */ 4197 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4198 if (wp->w_buffer == buf) 4199 break; 4200 /* If the buffer already has a window, move it */ 4201 if (wp != NULL) 4202 win_move_after(wp, curwin); 4203 else if (split_ret == OK) 4204 { 4205 /* Split the window and put the buffer in it */ 4206 p_ea_save = p_ea; 4207 p_ea = TRUE; /* use space from all windows */ 4208 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4209 ++open_wins; 4210 p_ea = p_ea_save; 4211 if (split_ret == FAIL) 4212 continue; 4213 4214 /* Open the buffer in this window. */ 4215 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4216 swap_exists_action = SEA_DIALOG; 4217 #endif 4218 set_curbuf(buf, DOBUF_GOTO); 4219 #ifdef FEAT_AUTOCMD 4220 # ifdef FEAT_EVAL 4221 /* Autocommands deleted the buffer or aborted script 4222 * processing!!! */ 4223 if (!buf_valid(buf) || aborting()) 4224 # else 4225 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4226 # endif 4227 { 4228 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4229 swap_exists_action = SEA_NONE; 4230 #endif 4231 break; 4232 } 4233 #endif 4234 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4235 if (swap_exists_action == SEA_QUIT) 4236 { 4237 /* User selected Quit at ATTENTION prompt; close this window. */ 4238 win_close(curwin, TRUE); 4239 --open_wins; 4240 swap_exists_action = SEA_NONE; 4241 } 4242 else 4243 handle_swap_exists(NULL); 4244 #endif 4245 } 4246 4247 ui_breakcheck(); 4248 if (got_int) 4249 { 4250 (void)vgetc(); /* only break the file loading, not the rest */ 4251 break; 4252 } 4253 } 4254 #ifdef FEAT_AUTOCMD 4255 --autocmd_no_enter; 4256 #endif 4257 win_enter(firstwin, FALSE); /* back to first window */ 4258 #ifdef FEAT_AUTOCMD 4259 --autocmd_no_leave; 4260 #endif 4261 4262 /* 4263 * Close superfluous windows. 4264 */ 4265 for (wp = lastwin; open_wins > count; ) 4266 { 4267 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4268 || autowrite(wp->w_buffer, FALSE) == OK); 4269 #ifdef FEAT_AUTOCMD 4270 if (!win_valid(wp)) 4271 { 4272 /* BufWrite Autocommands made the window invalid, start over */ 4273 wp = lastwin; 4274 } 4275 else 4276 #endif 4277 if (r) 4278 { 4279 win_close(wp, !P_HID(wp->w_buffer)); 4280 --open_wins; 4281 wp = lastwin; 4282 } 4283 else 4284 { 4285 wp = wp->w_prev; 4286 if (wp == NULL) 4287 break; 4288 } 4289 } 4290 } 4291 # endif /* FEAT_LISTCMDS */ 4292 4293 #endif /* FEAT_WINDOWS */ 4294 4295 /* 4296 * do_modelines() - process mode lines for the current file 4297 * 4298 * Returns immediately if the "ml" option isn't set. 4299 */ 4300 static int chk_modeline __ARGS((linenr_T)); 4301 4302 void 4303 do_modelines() 4304 { 4305 linenr_T lnum; 4306 int nmlines; 4307 static int entered = 0; 4308 4309 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4310 return; 4311 4312 /* Disallow recursive entry here. Can happen when executing a modeline 4313 * triggers an autocommand, which reloads modelines with a ":do". */ 4314 if (entered) 4315 return; 4316 4317 ++entered; 4318 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4319 ++lnum) 4320 if (chk_modeline(lnum) == FAIL) 4321 nmlines = 0; 4322 4323 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4324 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4325 if (chk_modeline(lnum) == FAIL) 4326 nmlines = 0; 4327 --entered; 4328 } 4329 4330 #include "version.h" /* for version number */ 4331 4332 /* 4333 * chk_modeline() - check a single line for a mode string 4334 * Return FAIL if an error encountered. 4335 */ 4336 static int 4337 chk_modeline(lnum) 4338 linenr_T lnum; 4339 { 4340 char_u *s; 4341 char_u *e; 4342 char_u *linecopy; /* local copy of any modeline found */ 4343 int prev; 4344 int vers; 4345 int end; 4346 int retval = OK; 4347 char_u *save_sourcing_name; 4348 linenr_T save_sourcing_lnum; 4349 #ifdef FEAT_EVAL 4350 scid_T save_SID; 4351 #endif 4352 4353 prev = -1; 4354 for (s = ml_get(lnum); *s != NUL; ++s) 4355 { 4356 if (prev == -1 || vim_isspace(prev)) 4357 { 4358 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4359 || STRNCMP(s, "vi:", (size_t)3) == 0) 4360 break; 4361 if (STRNCMP(s, "vim", 3) == 0) 4362 { 4363 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4364 e = s + 4; 4365 else 4366 e = s + 3; 4367 vers = getdigits(&e); 4368 if (*e == ':' 4369 && (s[3] == ':' 4370 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4371 || (VIM_VERSION_100 < vers && s[3] == '<') 4372 || (VIM_VERSION_100 > vers && s[3] == '>') 4373 || (VIM_VERSION_100 == vers && s[3] == '='))) 4374 break; 4375 } 4376 } 4377 prev = *s; 4378 } 4379 4380 if (*s) 4381 { 4382 do /* skip over "ex:", "vi:" or "vim:" */ 4383 ++s; 4384 while (s[-1] != ':'); 4385 4386 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4387 if (linecopy == NULL) 4388 return FAIL; 4389 4390 save_sourcing_lnum = sourcing_lnum; 4391 save_sourcing_name = sourcing_name; 4392 sourcing_lnum = lnum; /* prepare for emsg() */ 4393 sourcing_name = (char_u *)"modelines"; 4394 4395 end = FALSE; 4396 while (end == FALSE) 4397 { 4398 s = skipwhite(s); 4399 if (*s == NUL) 4400 break; 4401 4402 /* 4403 * Find end of set command: ':' or end of line. 4404 * Skip over "\:", replacing it with ":". 4405 */ 4406 for (e = s; *e != ':' && *e != NUL; ++e) 4407 if (e[0] == '\\' && e[1] == ':') 4408 STRCPY(e, e + 1); 4409 if (*e == NUL) 4410 end = TRUE; 4411 4412 /* 4413 * If there is a "set" command, require a terminating ':' and 4414 * ignore the stuff after the ':'. 4415 * "vi:set opt opt opt: foo" -- foo not interpreted 4416 * "vi:opt opt opt: foo" -- foo interpreted 4417 * Accept "se" for compatibility with Elvis. 4418 */ 4419 if (STRNCMP(s, "set ", (size_t)4) == 0 4420 || STRNCMP(s, "se ", (size_t)3) == 0) 4421 { 4422 if (*e != ':') /* no terminating ':'? */ 4423 break; 4424 end = TRUE; 4425 s = vim_strchr(s, ' ') + 1; 4426 } 4427 *e = NUL; /* truncate the set command */ 4428 4429 if (*s != NUL) /* skip over an empty "::" */ 4430 { 4431 #ifdef FEAT_EVAL 4432 save_SID = current_SID; 4433 current_SID = SID_MODELINE; 4434 #endif 4435 retval = do_set(s, OPT_MODELINE | OPT_LOCAL); 4436 #ifdef FEAT_EVAL 4437 current_SID = save_SID; 4438 #endif 4439 if (retval == FAIL) /* stop if error found */ 4440 break; 4441 } 4442 s = e + 1; /* advance to next part */ 4443 } 4444 4445 sourcing_lnum = save_sourcing_lnum; 4446 sourcing_name = save_sourcing_name; 4447 4448 vim_free(linecopy); 4449 } 4450 return retval; 4451 } 4452 4453 #ifdef FEAT_VIMINFO 4454 int 4455 read_viminfo_bufferlist(virp, writing) 4456 vir_T *virp; 4457 int writing; 4458 { 4459 char_u *tab; 4460 linenr_T lnum; 4461 colnr_T col; 4462 buf_T *buf; 4463 char_u *sfname; 4464 char_u *xline; 4465 4466 /* Handle long line and escaped characters. */ 4467 xline = viminfo_readstring(virp, 1, FALSE); 4468 4469 /* don't read in if there are files on the command-line or if writing: */ 4470 if (xline != NULL && !writing && ARGCOUNT == 0 4471 && find_viminfo_parameter('%') != NULL) 4472 { 4473 /* Format is: <fname> Tab <lnum> Tab <col>. 4474 * Watch out for a Tab in the file name, work from the end. */ 4475 lnum = 0; 4476 col = 0; 4477 tab = vim_strrchr(xline, '\t'); 4478 if (tab != NULL) 4479 { 4480 *tab++ = '\0'; 4481 col = atoi((char *)tab); 4482 tab = vim_strrchr(xline, '\t'); 4483 if (tab != NULL) 4484 { 4485 *tab++ = '\0'; 4486 lnum = atol((char *)tab); 4487 } 4488 } 4489 4490 /* Expand "~/" in the file name at "line + 1" to a full path. 4491 * Then try shortening it by comparing with the current directory */ 4492 expand_env(xline, NameBuff, MAXPATHL); 4493 mch_dirname(IObuff, IOSIZE); 4494 sfname = shorten_fname(NameBuff, IObuff); 4495 if (sfname == NULL) 4496 sfname = NameBuff; 4497 4498 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4499 if (buf != NULL) /* just in case... */ 4500 { 4501 buf->b_last_cursor.lnum = lnum; 4502 buf->b_last_cursor.col = col; 4503 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4504 } 4505 } 4506 vim_free(xline); 4507 4508 return viminfo_readline(virp); 4509 } 4510 4511 void 4512 write_viminfo_bufferlist(fp) 4513 FILE *fp; 4514 { 4515 buf_T *buf; 4516 #ifdef FEAT_WINDOWS 4517 win_T *win; 4518 #endif 4519 char_u *line; 4520 4521 if (find_viminfo_parameter('%') == NULL) 4522 return; 4523 4524 /* Allocate room for the file name, lnum and col. */ 4525 line = alloc(MAXPATHL + 30); 4526 if (line == NULL) 4527 return; 4528 4529 #ifdef FEAT_WINDOWS 4530 for (win = firstwin; win != NULL; win = win->w_next) 4531 set_last_cursor(win); 4532 #else 4533 set_last_cursor(curwin); 4534 #endif 4535 4536 fprintf(fp, _("\n# Buffer list:\n")); 4537 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4538 { 4539 if (buf->b_fname == NULL 4540 || !buf->b_p_bl 4541 #ifdef FEAT_QUICKFIX 4542 || bt_quickfix(buf) 4543 #endif 4544 || removable(buf->b_ffname)) 4545 continue; 4546 4547 putc('%', fp); 4548 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4549 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4550 (long)buf->b_last_cursor.lnum, 4551 buf->b_last_cursor.col); 4552 viminfo_writestring(fp, line); 4553 } 4554 vim_free(line); 4555 } 4556 #endif 4557 4558 4559 /* 4560 * Return special buffer name. 4561 * Returns NULL when the buffer has a normal file name. 4562 */ 4563 char * 4564 buf_spname(buf) 4565 buf_T *buf; 4566 { 4567 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4568 if (bt_quickfix(buf)) 4569 return _("[Error List]"); 4570 #endif 4571 #ifdef FEAT_QUICKFIX 4572 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4573 * contains the name as specified by the user */ 4574 if (bt_nofile(buf)) 4575 { 4576 if (buf->b_sfname != NULL) 4577 return (char *)buf->b_sfname; 4578 return "[Scratch]"; 4579 } 4580 #endif 4581 if (buf->b_fname == NULL) 4582 return _("[No File]"); 4583 return NULL; 4584 } 4585 4586 4587 #if defined(FEAT_SIGNS) || defined(PROTO) 4588 /* 4589 * Insert the sign into the signlist. 4590 */ 4591 static void 4592 insert_sign(buf, prev, next, id, lnum, typenr) 4593 buf_T *buf; /* buffer to store sign in */ 4594 signlist_T *prev; /* previous sign entry */ 4595 signlist_T *next; /* next sign entry */ 4596 int id; /* sign ID */ 4597 linenr_T lnum; /* line number which gets the mark */ 4598 int typenr; /* typenr of sign we are adding */ 4599 { 4600 signlist_T *newsign; 4601 4602 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4603 if (newsign != NULL) 4604 { 4605 newsign->id = id; 4606 newsign->lnum = lnum; 4607 newsign->typenr = typenr; 4608 newsign->next = next; 4609 #ifdef FEAT_NETBEANS_INTG 4610 newsign->prev = prev; 4611 if (next != NULL) 4612 next->prev = newsign; 4613 #endif 4614 4615 if (prev == NULL) 4616 { 4617 /* When adding first sign need to redraw the windows to create the 4618 * column for signs. */ 4619 if (buf->b_signlist == NULL) 4620 { 4621 redraw_buf_later(buf, NOT_VALID); 4622 changed_cline_bef_curs(); 4623 } 4624 4625 /* first sign in signlist */ 4626 buf->b_signlist = newsign; 4627 } 4628 else 4629 prev->next = newsign; 4630 } 4631 } 4632 4633 /* 4634 * Add the sign into the signlist. Find the right spot to do it though. 4635 */ 4636 void 4637 buf_addsign(buf, id, lnum, typenr) 4638 buf_T *buf; /* buffer to store sign in */ 4639 int id; /* sign ID */ 4640 linenr_T lnum; /* line number which gets the mark */ 4641 int typenr; /* typenr of sign we are adding */ 4642 { 4643 signlist_T *sign; /* a sign in the signlist */ 4644 signlist_T *prev; /* the previous sign */ 4645 4646 prev = NULL; 4647 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4648 { 4649 if (lnum == sign->lnum && id == sign->id) 4650 { 4651 sign->typenr = typenr; 4652 return; 4653 } 4654 else if ( 4655 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4656 id < 0 && 4657 #endif 4658 lnum < sign->lnum) 4659 { 4660 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4661 /* XXX - GRP: Is this because of sign slide problem? Or is it 4662 * really needed? Or is it because we allow multiple signs per 4663 * line? If so, should I add that feature to FEAT_SIGNS? 4664 */ 4665 while (prev != NULL && prev->lnum == lnum) 4666 prev = prev->prev; 4667 if (prev == NULL) 4668 sign = buf->b_signlist; 4669 else 4670 sign = prev->next; 4671 #endif 4672 insert_sign(buf, prev, sign, id, lnum, typenr); 4673 return; 4674 } 4675 prev = sign; 4676 } 4677 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4678 /* XXX - GRP: See previous comment */ 4679 while (prev != NULL && prev->lnum == lnum) 4680 prev = prev->prev; 4681 if (prev == NULL) 4682 sign = buf->b_signlist; 4683 else 4684 sign = prev->next; 4685 #endif 4686 insert_sign(buf, prev, sign, id, lnum, typenr); 4687 4688 return; 4689 } 4690 4691 int 4692 buf_change_sign_type(buf, markId, typenr) 4693 buf_T *buf; /* buffer to store sign in */ 4694 int markId; /* sign ID */ 4695 int typenr; /* typenr of sign we are adding */ 4696 { 4697 signlist_T *sign; /* a sign in the signlist */ 4698 4699 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4700 { 4701 if (sign->id == markId) 4702 { 4703 sign->typenr = typenr; 4704 return sign->lnum; 4705 } 4706 } 4707 4708 return 0; 4709 } 4710 4711 int_u 4712 buf_getsigntype(buf, lnum, type) 4713 buf_T *buf; 4714 linenr_T lnum; 4715 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4716 { 4717 signlist_T *sign; /* a sign in a b_signlist */ 4718 4719 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4720 if (sign->lnum == lnum 4721 && (type == SIGN_ANY 4722 # ifdef FEAT_SIGN_ICONS 4723 || (type == SIGN_ICON 4724 && sign_get_image(sign->typenr) != NULL) 4725 # endif 4726 || (type == SIGN_TEXT 4727 && sign_get_text(sign->typenr) != NULL) 4728 || (type == SIGN_LINEHL 4729 && sign_get_attr(sign->typenr, TRUE) != 0))) 4730 return sign->typenr; 4731 return 0; 4732 } 4733 4734 4735 linenr_T 4736 buf_delsign(buf, id) 4737 buf_T *buf; /* buffer sign is stored in */ 4738 int id; /* sign id */ 4739 { 4740 signlist_T **lastp; /* pointer to pointer to current sign */ 4741 signlist_T *sign; /* a sign in a b_signlist */ 4742 signlist_T *next; /* the next sign in a b_signlist */ 4743 linenr_T lnum; /* line number whose sign was deleted */ 4744 4745 lastp = &buf->b_signlist; 4746 lnum = 0; 4747 for (sign = buf->b_signlist; sign != NULL; sign = next) 4748 { 4749 next = sign->next; 4750 if (sign->id == id) 4751 { 4752 *lastp = next; 4753 #ifdef FEAT_NETBEANS_INTG 4754 if (next != NULL) 4755 next->prev = sign->prev; 4756 #endif 4757 lnum = sign->lnum; 4758 vim_free(sign); 4759 break; 4760 } 4761 else 4762 lastp = &sign->next; 4763 } 4764 4765 /* When deleted the last sign need to redraw the windows to remove the 4766 * sign column. */ 4767 if (buf->b_signlist == NULL) 4768 { 4769 redraw_buf_later(buf, NOT_VALID); 4770 changed_cline_bef_curs(); 4771 } 4772 4773 return lnum; 4774 } 4775 4776 4777 /* 4778 * Find the line number of the sign with the requested id. If the sign does 4779 * not exist, return 0 as the line number. This will still let the correct file 4780 * get loaded. 4781 */ 4782 int 4783 buf_findsign(buf, id) 4784 buf_T *buf; /* buffer to store sign in */ 4785 int id; /* sign ID */ 4786 { 4787 signlist_T *sign; /* a sign in the signlist */ 4788 4789 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4790 if (sign->id == id) 4791 return sign->lnum; 4792 4793 return 0; 4794 } 4795 4796 int 4797 buf_findsign_id(buf, lnum) 4798 buf_T *buf; /* buffer whose sign we are searching for */ 4799 linenr_T lnum; /* line number of sign */ 4800 { 4801 signlist_T *sign; /* a sign in the signlist */ 4802 4803 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4804 if (sign->lnum == lnum) 4805 return sign->id; 4806 4807 return 0; 4808 } 4809 4810 4811 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 4812 /* see if a given type of sign exists on a specific line */ 4813 int 4814 buf_findsigntype_id(buf, lnum, typenr) 4815 buf_T *buf; /* buffer whose sign we are searching for */ 4816 linenr_T lnum; /* line number of sign */ 4817 int typenr; /* sign type number */ 4818 { 4819 signlist_T *sign; /* a sign in the signlist */ 4820 4821 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4822 if (sign->lnum == lnum && sign->typenr == typenr) 4823 return sign->id; 4824 4825 return 0; 4826 } 4827 4828 4829 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 4830 /* return the number of icons on the given line */ 4831 int 4832 buf_signcount(buf, lnum) 4833 buf_T *buf; 4834 linenr_T lnum; 4835 { 4836 signlist_T *sign; /* a sign in the signlist */ 4837 int count = 0; 4838 4839 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4840 if (sign->lnum == lnum) 4841 if (sign_get_image(sign->typenr) != NULL) 4842 count++; 4843 4844 return count; 4845 } 4846 # endif /* FEAT_SIGN_ICONS */ 4847 # endif /* FEAT_NETBEANS_INTG */ 4848 4849 4850 /* 4851 * Delete signs in buffer "buf". 4852 */ 4853 static void 4854 buf_delete_signs(buf) 4855 buf_T *buf; 4856 { 4857 signlist_T *next; 4858 4859 while (buf->b_signlist != NULL) 4860 { 4861 next = buf->b_signlist->next; 4862 vim_free(buf->b_signlist); 4863 buf->b_signlist = next; 4864 } 4865 } 4866 4867 /* 4868 * Delete all signs in all buffers. 4869 */ 4870 void 4871 buf_delete_all_signs() 4872 { 4873 buf_T *buf; /* buffer we are checking for signs */ 4874 4875 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 4876 if (buf->b_signlist != NULL) 4877 { 4878 /* Need to redraw the windows to remove the sign column. */ 4879 redraw_buf_later(buf, NOT_VALID); 4880 buf_delete_signs(buf); 4881 } 4882 } 4883 4884 /* 4885 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 4886 */ 4887 void 4888 sign_list_placed(rbuf) 4889 buf_T *rbuf; 4890 { 4891 buf_T *buf; 4892 signlist_T *p; 4893 char lbuf[BUFSIZ]; 4894 4895 MSG_PUTS_TITLE(_("\n--- Signs ---")); 4896 msg_putchar('\n'); 4897 if (rbuf == NULL) 4898 buf = firstbuf; 4899 else 4900 buf = rbuf; 4901 while (buf != NULL) 4902 { 4903 if (buf->b_signlist != NULL) 4904 { 4905 #ifdef HAVE_SNPRINTF 4906 snprintf 4907 #else 4908 sprintf 4909 #endif 4910 (lbuf, 4911 #ifdef HAVE_SNPRINTF 4912 BUFSIZ, 4913 #endif 4914 _("Signs for %s:"), buf->b_fname); 4915 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 4916 msg_putchar('\n'); 4917 } 4918 for (p = buf->b_signlist; p != NULL; p = p->next) 4919 { 4920 sprintf(lbuf, _(" line=%ld id=%d name=%s"), 4921 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 4922 MSG_PUTS(lbuf); 4923 msg_putchar('\n'); 4924 } 4925 if (rbuf != NULL) 4926 break; 4927 buf = buf->b_next; 4928 } 4929 } 4930 4931 /* 4932 * Adjust a placed sign for inserted/deleted lines. 4933 */ 4934 void 4935 sign_mark_adjust(line1, line2, amount, amount_after) 4936 linenr_T line1; 4937 linenr_T line2; 4938 long amount; 4939 long amount_after; 4940 { 4941 signlist_T *sign; /* a sign in a b_signlist */ 4942 4943 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 4944 { 4945 if (sign->lnum >= line1 && sign->lnum <= line2) 4946 { 4947 if (amount == MAXLNUM) 4948 sign->lnum = line1; 4949 else 4950 sign->lnum += amount; 4951 } 4952 else if (sign->lnum > line2) 4953 sign->lnum += amount_after; 4954 } 4955 } 4956 #endif /* FEAT_SIGNS */ 4957 4958 /* 4959 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 4960 */ 4961 void 4962 set_buflisted(on) 4963 int on; 4964 { 4965 if (on != curbuf->b_p_bl) 4966 { 4967 curbuf->b_p_bl = on; 4968 #ifdef FEAT_AUTOCMD 4969 if (on) 4970 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 4971 else 4972 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 4973 #endif 4974 } 4975 } 4976 4977 /* 4978 * Read the file for "buf" again and check if the contents changed. 4979 * Return TRUE if it changed or this could not be checked. 4980 */ 4981 int 4982 buf_contents_changed(buf) 4983 buf_T *buf; 4984 { 4985 buf_T *newbuf; 4986 int differ = TRUE; 4987 linenr_T lnum; 4988 #ifdef FEAT_AUTOCMD 4989 aco_save_T aco; 4990 #else 4991 buf_T *old_curbuf = curbuf; 4992 #endif 4993 exarg_T ea; 4994 4995 /* Allocate a buffer without putting it in the buffer list. */ 4996 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 4997 if (newbuf == NULL) 4998 return TRUE; 4999 5000 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5001 if (prep_exarg(&ea, buf) == FAIL) 5002 { 5003 wipe_buffer(newbuf, FALSE); 5004 return TRUE; 5005 } 5006 5007 #ifdef FEAT_AUTOCMD 5008 /* set curwin/curbuf to buf and save a few things */ 5009 aucmd_prepbuf(&aco, newbuf); 5010 #else 5011 curbuf = newbuf; 5012 curwin->w_buffer = newbuf; 5013 #endif 5014 5015 if (ml_open() == OK 5016 && readfile(buf->b_ffname, buf->b_fname, 5017 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5018 &ea, READ_NEW | READ_DUMMY) == OK) 5019 { 5020 /* compare the two files line by line */ 5021 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5022 { 5023 differ = FALSE; 5024 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5025 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5026 { 5027 differ = TRUE; 5028 break; 5029 } 5030 } 5031 } 5032 vim_free(ea.cmd); 5033 5034 #ifdef FEAT_AUTOCMD 5035 /* restore curwin/curbuf and a few other things */ 5036 aucmd_restbuf(&aco); 5037 #else 5038 curbuf = old_curbuf; 5039 curwin->w_buffer = old_curbuf; 5040 #endif 5041 5042 if (curbuf != newbuf) /* safety check */ 5043 wipe_buffer(newbuf, FALSE); 5044 5045 return differ; 5046 } 5047 5048 /* 5049 * Wipe out a buffer and decrement the last buffer number if it was used for 5050 * this buffer. Call this to wipe out a temp buffer that does not contain any 5051 * marks. 5052 */ 5053 /*ARGSUSED*/ 5054 void 5055 wipe_buffer(buf, aucmd) 5056 buf_T *buf; 5057 int aucmd; /* When TRUE trigger autocommands. */ 5058 { 5059 if (buf->b_fnum == top_file_num - 1) 5060 --top_file_num; 5061 5062 #ifdef FEAT_AUTOCMD 5063 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5064 ++autocmd_block; 5065 #endif 5066 close_buffer(NULL, buf, DOBUF_WIPE); 5067 #ifdef FEAT_AUTOCMD 5068 if (!aucmd) 5069 --autocmd_block; 5070 #endif 5071 } 5072