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_COMPL_FUNC 1672 clear_string_option(&buf->b_p_cfu); 1673 #endif 1674 #ifdef FEAT_QUICKFIX 1675 clear_string_option(&buf->b_p_gp); 1676 clear_string_option(&buf->b_p_mp); 1677 clear_string_option(&buf->b_p_efm); 1678 #endif 1679 clear_string_option(&buf->b_p_ep); 1680 clear_string_option(&buf->b_p_path); 1681 clear_string_option(&buf->b_p_tags); 1682 #ifdef FEAT_INS_EXPAND 1683 clear_string_option(&buf->b_p_dict); 1684 clear_string_option(&buf->b_p_tsr); 1685 #endif 1686 #ifdef FEAT_TEXTOBJ 1687 clear_string_option(&buf->b_p_qe); 1688 #endif 1689 buf->b_p_ar = -1; 1690 } 1691 1692 /* 1693 * get alternate file n 1694 * set linenr to lnum or altfpos.lnum if lnum == 0 1695 * also set cursor column to altfpos.col if 'startofline' is not set. 1696 * if (options & GETF_SETMARK) call setpcmark() 1697 * if (options & GETF_ALT) we are jumping to an alternate file. 1698 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1699 * 1700 * return FAIL for failure, OK for success 1701 */ 1702 int 1703 buflist_getfile(n, lnum, options, forceit) 1704 int n; 1705 linenr_T lnum; 1706 int options; 1707 int forceit; 1708 { 1709 buf_T *buf; 1710 #ifdef FEAT_WINDOWS 1711 win_T *wp = NULL; 1712 #endif 1713 pos_T *fpos; 1714 colnr_T col; 1715 1716 buf = buflist_findnr(n); 1717 if (buf == NULL) 1718 { 1719 if ((options & GETF_ALT) && n == 0) 1720 EMSG(_(e_noalt)); 1721 else 1722 EMSGN(_("E92: Buffer %ld not found"), n); 1723 return FAIL; 1724 } 1725 1726 /* if alternate file is the current buffer, nothing to do */ 1727 if (buf == curbuf) 1728 return OK; 1729 1730 #ifdef FEAT_CMDWIN 1731 if (cmdwin_type != 0) 1732 return FAIL; 1733 #endif 1734 1735 /* altfpos may be changed by getfile(), get it now */ 1736 if (lnum == 0) 1737 { 1738 fpos = buflist_findfpos(buf); 1739 lnum = fpos->lnum; 1740 col = fpos->col; 1741 } 1742 else 1743 col = 0; 1744 1745 #ifdef FEAT_WINDOWS 1746 if (options & GETF_SWITCH) 1747 { 1748 /* use existing open window for buffer if wanted */ 1749 if (vim_strchr(p_swb, 'u')) /* useopen */ 1750 wp = buf_jump_open_win(buf); 1751 /* split window if wanted ("split") */ 1752 if (wp == NULL && vim_strchr(p_swb, 't') && !bufempty()) 1753 { 1754 if (win_split(0, 0) == FAIL) 1755 return FAIL; 1756 # ifdef FEAT_SCROLLBIND 1757 curwin->w_p_scb = FALSE; 1758 # endif 1759 } 1760 } 1761 #endif 1762 1763 ++RedrawingDisabled; 1764 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1765 lnum, forceit) <= 0) 1766 { 1767 --RedrawingDisabled; 1768 1769 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1770 if (!p_sol && col != 0) 1771 { 1772 curwin->w_cursor.col = col; 1773 check_cursor_col(); 1774 #ifdef FEAT_VIRTUALEDIT 1775 curwin->w_cursor.coladd = 0; 1776 #endif 1777 curwin->w_set_curswant = TRUE; 1778 } 1779 return OK; 1780 } 1781 --RedrawingDisabled; 1782 return FAIL; 1783 } 1784 1785 /* 1786 * go to the last know line number for the current buffer 1787 */ 1788 void 1789 buflist_getfpos() 1790 { 1791 pos_T *fpos; 1792 1793 fpos = buflist_findfpos(curbuf); 1794 1795 curwin->w_cursor.lnum = fpos->lnum; 1796 check_cursor_lnum(); 1797 1798 if (p_sol) 1799 curwin->w_cursor.col = 0; 1800 else 1801 { 1802 curwin->w_cursor.col = fpos->col; 1803 check_cursor_col(); 1804 #ifdef FEAT_VIRTUALEDIT 1805 curwin->w_cursor.coladd = 0; 1806 #endif 1807 curwin->w_set_curswant = TRUE; 1808 } 1809 } 1810 1811 /* 1812 * Find file in buffer list by name (it has to be for the current window). 1813 * "ffname" must have a full path. 1814 */ 1815 buf_T * 1816 buflist_findname(ffname) 1817 char_u *ffname; 1818 { 1819 #ifdef UNIX 1820 struct stat st; 1821 1822 if (mch_stat((char *)ffname, &st) < 0) 1823 st.st_dev = (dev_T)-1; 1824 return buflist_findname_stat(ffname, &st); 1825 } 1826 1827 /* 1828 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1829 * twice for the same file. 1830 */ 1831 static buf_T * 1832 buflist_findname_stat(ffname, stp) 1833 char_u *ffname; 1834 struct stat *stp; 1835 { 1836 #endif 1837 buf_T *buf; 1838 1839 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1840 if (!otherfile_buf(buf, ffname 1841 #ifdef UNIX 1842 , stp 1843 #endif 1844 )) 1845 return buf; 1846 return NULL; 1847 } 1848 1849 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 1850 /* 1851 * Find file in buffer list by a regexp pattern. 1852 * Return fnum of the found buffer. 1853 * Return < 0 for error. 1854 */ 1855 /*ARGSUSED*/ 1856 int 1857 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 1858 char_u *pattern; 1859 char_u *pattern_end; /* pointer to first char after pattern */ 1860 int unlisted; /* find unlisted buffers */ 1861 int diffmode; /* find diff-mode buffers only */ 1862 { 1863 buf_T *buf; 1864 regprog_T *prog; 1865 int match = -1; 1866 int find_listed; 1867 char_u *pat; 1868 char_u *patend; 1869 int attempt; 1870 char_u *p; 1871 int toggledollar; 1872 1873 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 1874 { 1875 if (*pattern == '%') 1876 match = curbuf->b_fnum; 1877 else 1878 match = curwin->w_alt_fnum; 1879 #ifdef FEAT_DIFF 1880 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 1881 match = -1; 1882 #endif 1883 } 1884 1885 /* 1886 * Try four ways of matching a listed buffer: 1887 * attempt == 0: without '^' or '$' (at any position) 1888 * attempt == 1: with '^' at start (only at postion 0) 1889 * attempt == 2: with '$' at end (only match at end) 1890 * attempt == 3: with '^' at start and '$' at end (only full match) 1891 * Repeat this for finding an unlisted buffer if there was no matching 1892 * listed buffer. 1893 */ 1894 else 1895 { 1896 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 1897 if (pat == NULL) 1898 return -1; 1899 patend = pat + STRLEN(pat) - 1; 1900 toggledollar = (patend > pat && *patend == '$'); 1901 1902 /* First try finding a listed buffer. If not found and "unlisted" 1903 * is TRUE, try finding an unlisted buffer. */ 1904 find_listed = TRUE; 1905 for (;;) 1906 { 1907 for (attempt = 0; attempt <= 3; ++attempt) 1908 { 1909 /* may add '^' and '$' */ 1910 if (toggledollar) 1911 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 1912 p = pat; 1913 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 1914 ++p; 1915 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 1916 if (prog == NULL) 1917 { 1918 vim_free(pat); 1919 return -1; 1920 } 1921 1922 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1923 if (buf->b_p_bl == find_listed 1924 #ifdef FEAT_DIFF 1925 && (!diffmode || diff_mode_buf(buf)) 1926 #endif 1927 && buflist_match(prog, buf) != NULL) 1928 { 1929 if (match >= 0) /* already found a match */ 1930 { 1931 match = -2; 1932 break; 1933 } 1934 match = buf->b_fnum; /* remember first match */ 1935 } 1936 1937 vim_free(prog); 1938 if (match >= 0) /* found one match */ 1939 break; 1940 } 1941 1942 /* Only search for unlisted buffers if there was no match with 1943 * a listed buffer. */ 1944 if (!unlisted || !find_listed || match != -1) 1945 break; 1946 find_listed = FALSE; 1947 } 1948 1949 vim_free(pat); 1950 } 1951 1952 if (match == -2) 1953 EMSG2(_("E93: More than one match for %s"), pattern); 1954 else if (match < 0) 1955 EMSG2(_("E94: No matching buffer for %s"), pattern); 1956 return match; 1957 } 1958 #endif 1959 1960 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 1961 1962 /* 1963 * Find all buffer names that match. 1964 * For command line expansion of ":buf" and ":sbuf". 1965 * Return OK if matches found, FAIL otherwise. 1966 */ 1967 int 1968 ExpandBufnames(pat, num_file, file, options) 1969 char_u *pat; 1970 int *num_file; 1971 char_u ***file; 1972 int options; 1973 { 1974 int count = 0; 1975 buf_T *buf; 1976 int round; 1977 char_u *p; 1978 int attempt; 1979 regprog_T *prog; 1980 1981 *num_file = 0; /* return values in case of FAIL */ 1982 *file = NULL; 1983 1984 /* 1985 * attempt == 1: try match with '^', match at start 1986 * attempt == 2: try match without '^', match anywhere 1987 */ 1988 for (attempt = 1; attempt <= 2; ++attempt) 1989 { 1990 if (attempt == 2) 1991 { 1992 if (*pat != '^') /* there's no '^', no need to try again */ 1993 break; 1994 ++pat; /* skip the '^' */ 1995 } 1996 prog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); 1997 if (prog == NULL) 1998 return FAIL; 1999 2000 /* 2001 * round == 1: Count the matches. 2002 * round == 2: Build the array to keep the matches. 2003 */ 2004 for (round = 1; round <= 2; ++round) 2005 { 2006 count = 0; 2007 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2008 { 2009 if (!buf->b_p_bl) /* skip unlisted buffers */ 2010 continue; 2011 p = buflist_match(prog, buf); 2012 if (p != NULL) 2013 { 2014 if (round == 1) 2015 ++count; 2016 else 2017 { 2018 if (options & WILD_HOME_REPLACE) 2019 p = home_replace_save(buf, p); 2020 else 2021 p = vim_strsave(p); 2022 (*file)[count++] = p; 2023 } 2024 } 2025 } 2026 if (count == 0) /* no match found, break here */ 2027 break; 2028 if (round == 1) 2029 { 2030 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2031 if (*file == NULL) 2032 { 2033 vim_free(prog); 2034 return FAIL; 2035 } 2036 } 2037 } 2038 vim_free(prog); 2039 if (count) /* match(es) found, break here */ 2040 break; 2041 } 2042 2043 *num_file = count; 2044 return (count == 0 ? FAIL : OK); 2045 } 2046 2047 #endif /* FEAT_CMDL_COMPL */ 2048 2049 #ifdef HAVE_BUFLIST_MATCH 2050 /* 2051 * Check for a match on the file name for buffer "buf" with regprog "prog". 2052 */ 2053 static char_u * 2054 buflist_match(prog, buf) 2055 regprog_T *prog; 2056 buf_T *buf; 2057 { 2058 char_u *match; 2059 2060 /* First try the short file name, then the long file name. */ 2061 match = fname_match(prog, buf->b_sfname); 2062 if (match == NULL) 2063 match = fname_match(prog, buf->b_ffname); 2064 2065 return match; 2066 } 2067 2068 /* 2069 * Try matching the regexp in "prog" with file name "name". 2070 * Return "name" when there is a match, NULL when not. 2071 */ 2072 static char_u * 2073 fname_match(prog, name) 2074 regprog_T *prog; 2075 char_u *name; 2076 { 2077 char_u *match = NULL; 2078 char_u *p; 2079 regmatch_T regmatch; 2080 2081 if (name != NULL) 2082 { 2083 regmatch.regprog = prog; 2084 #ifdef CASE_INSENSITIVE_FILENAME 2085 regmatch.rm_ic = TRUE; /* Always ignore case */ 2086 #else 2087 regmatch.rm_ic = FALSE; /* Never ignore case */ 2088 #endif 2089 2090 if (vim_regexec(®match, name, (colnr_T)0)) 2091 match = name; 2092 else 2093 { 2094 /* Replace $(HOME) with '~' and try matching again. */ 2095 p = home_replace_save(NULL, name); 2096 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2097 match = name; 2098 vim_free(p); 2099 } 2100 } 2101 2102 return match; 2103 } 2104 #endif 2105 2106 /* 2107 * find file in buffer list by number 2108 */ 2109 buf_T * 2110 buflist_findnr(nr) 2111 int nr; 2112 { 2113 buf_T *buf; 2114 2115 if (nr == 0) 2116 nr = curwin->w_alt_fnum; 2117 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2118 if (buf->b_fnum == nr) 2119 return (buf); 2120 return NULL; 2121 } 2122 2123 /* 2124 * Get name of file 'n' in the buffer list. 2125 * When the file has no name an empty string is returned. 2126 * home_replace() is used to shorten the file name (used for marks). 2127 * Returns a pointer to allocated memory, of NULL when failed. 2128 */ 2129 char_u * 2130 buflist_nr2name(n, fullname, helptail) 2131 int n; 2132 int fullname; 2133 int helptail; /* for help buffers return tail only */ 2134 { 2135 buf_T *buf; 2136 2137 buf = buflist_findnr(n); 2138 if (buf == NULL) 2139 return NULL; 2140 return home_replace_save(helptail ? buf : NULL, 2141 fullname ? buf->b_ffname : buf->b_fname); 2142 } 2143 2144 /* 2145 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2146 * When "copy_options" is TRUE save the local window option values. 2147 * When "lnum" is 0 only do the options. 2148 */ 2149 static void 2150 buflist_setfpos(buf, win, lnum, col, copy_options) 2151 buf_T *buf; 2152 win_T *win; 2153 linenr_T lnum; 2154 colnr_T col; 2155 int copy_options; 2156 { 2157 wininfo_T *wip; 2158 2159 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2160 if (wip->wi_win == win) 2161 break; 2162 if (wip == NULL) 2163 { 2164 /* allocate a new entry */ 2165 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2166 if (wip == NULL) 2167 return; 2168 wip->wi_win = win; 2169 if (lnum == 0) /* set lnum even when it's 0 */ 2170 lnum = 1; 2171 } 2172 else 2173 { 2174 /* remove the entry from the list */ 2175 if (wip->wi_prev) 2176 wip->wi_prev->wi_next = wip->wi_next; 2177 else 2178 buf->b_wininfo = wip->wi_next; 2179 if (wip->wi_next) 2180 wip->wi_next->wi_prev = wip->wi_prev; 2181 if (copy_options && wip->wi_optset) 2182 { 2183 clear_winopt(&wip->wi_opt); 2184 #ifdef FEAT_FOLDING 2185 deleteFoldRecurse(&wip->wi_folds); 2186 #endif 2187 } 2188 } 2189 if (lnum != 0) 2190 { 2191 wip->wi_fpos.lnum = lnum; 2192 wip->wi_fpos.col = col; 2193 } 2194 if (copy_options) 2195 { 2196 /* Save the window-specific option values. */ 2197 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2198 #ifdef FEAT_FOLDING 2199 wip->wi_fold_manual = win->w_fold_manual; 2200 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2201 #endif 2202 wip->wi_optset = TRUE; 2203 } 2204 2205 /* insert the entry in front of the list */ 2206 wip->wi_next = buf->b_wininfo; 2207 buf->b_wininfo = wip; 2208 wip->wi_prev = NULL; 2209 if (wip->wi_next) 2210 wip->wi_next->wi_prev = wip; 2211 2212 return; 2213 } 2214 2215 /* 2216 * Find info for the current window in buffer "buf". 2217 * If not found, return the info for the most recently used window. 2218 * Returns NULL when there isn't any info. 2219 */ 2220 static wininfo_T * 2221 find_wininfo(buf) 2222 buf_T *buf; 2223 { 2224 wininfo_T *wip; 2225 2226 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2227 if (wip->wi_win == curwin) 2228 break; 2229 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2230 wip = buf->b_wininfo; 2231 return wip; 2232 } 2233 2234 /* 2235 * Reset the local window options to the values last used in this window. 2236 * If the buffer wasn't used in this window before, use the values from 2237 * the most recently used window. If the values were never set, use the 2238 * global values for the window. 2239 */ 2240 void 2241 get_winopts(buf) 2242 buf_T *buf; 2243 { 2244 wininfo_T *wip; 2245 2246 clear_winopt(&curwin->w_onebuf_opt); 2247 #ifdef FEAT_FOLDING 2248 clearFolding(curwin); 2249 #endif 2250 2251 wip = find_wininfo(buf); 2252 if (wip != NULL && wip->wi_optset) 2253 { 2254 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2255 #ifdef FEAT_FOLDING 2256 curwin->w_fold_manual = wip->wi_fold_manual; 2257 curwin->w_foldinvalid = TRUE; 2258 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2259 #endif 2260 } 2261 else 2262 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2263 2264 #ifdef FEAT_FOLDING 2265 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2266 if (p_fdls >= 0) 2267 curwin->w_p_fdl = p_fdls; 2268 #endif 2269 } 2270 2271 /* 2272 * Find the position (lnum and col) for the buffer 'buf' for the current 2273 * window. 2274 * Returns a pointer to no_position if no position is found. 2275 */ 2276 pos_T * 2277 buflist_findfpos(buf) 2278 buf_T *buf; 2279 { 2280 wininfo_T *wip; 2281 static pos_T no_position = {1, 0}; 2282 2283 wip = find_wininfo(buf); 2284 if (wip != NULL) 2285 return &(wip->wi_fpos); 2286 else 2287 return &no_position; 2288 } 2289 2290 /* 2291 * Find the lnum for the buffer 'buf' for the current window. 2292 */ 2293 linenr_T 2294 buflist_findlnum(buf) 2295 buf_T *buf; 2296 { 2297 return buflist_findfpos(buf)->lnum; 2298 } 2299 2300 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2301 /* 2302 * List all know file names (for :files and :buffers command). 2303 */ 2304 /*ARGSUSED*/ 2305 void 2306 buflist_list(eap) 2307 exarg_T *eap; 2308 { 2309 buf_T *buf; 2310 int len; 2311 int i; 2312 2313 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2314 { 2315 /* skip unlisted buffers, unless ! was used */ 2316 if (!buf->b_p_bl && !eap->forceit) 2317 continue; 2318 msg_putchar('\n'); 2319 if (buf_spname(buf) != NULL) 2320 STRCPY(NameBuff, buf_spname(buf)); 2321 else 2322 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2323 2324 sprintf((char *)IObuff, "%3d%c%c%c%c%c \"", 2325 buf->b_fnum, 2326 buf->b_p_bl ? ' ' : 'u', 2327 buf == curbuf ? '%' : 2328 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2329 buf->b_ml.ml_mfp == NULL ? ' ' : 2330 (buf->b_nwindows == 0 ? 'h' : 'a'), 2331 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2332 (buf->b_flags & BF_READERR) ? 'x' 2333 : (bufIsChanged(buf) ? '+' : ' ') 2334 ); 2335 2336 len = (int)STRLEN(IObuff); 2337 STRNCPY(IObuff + len, NameBuff, IOSIZE - 20 - len); 2338 IObuff[IOSIZE - 20 - len] = NUL; /* make sure it's terminated */ 2339 2340 len = (int)STRLEN(IObuff); 2341 IObuff[len++] = '"'; 2342 2343 /* put "line 999" in column 40 or after the file name */ 2344 IObuff[len] = NUL; 2345 i = 40 - vim_strsize(IObuff); 2346 do 2347 { 2348 IObuff[len++] = ' '; 2349 } while (--i > 0 && len < IOSIZE - 18); 2350 sprintf((char *)IObuff + len, _("line %ld"), 2351 buf == curbuf ? curwin->w_cursor.lnum : 2352 (long)buflist_findlnum(buf)); 2353 msg_outtrans(IObuff); 2354 out_flush(); /* output one line at a time */ 2355 ui_breakcheck(); 2356 } 2357 } 2358 #endif 2359 2360 /* 2361 * Get file name and line number for file 'fnum'. 2362 * Used by DoOneCmd() for translating '%' and '#'. 2363 * Used by insert_reg() and cmdline_paste() for '#' register. 2364 * Return FAIL if not found, OK for success. 2365 */ 2366 int 2367 buflist_name_nr(fnum, fname, lnum) 2368 int fnum; 2369 char_u **fname; 2370 linenr_T *lnum; 2371 { 2372 buf_T *buf; 2373 2374 buf = buflist_findnr(fnum); 2375 if (buf == NULL || buf->b_fname == NULL) 2376 return FAIL; 2377 2378 *fname = buf->b_fname; 2379 *lnum = buflist_findlnum(buf); 2380 2381 return OK; 2382 } 2383 2384 /* 2385 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2386 * The file name with the full path is also remembered, for when :cd is used. 2387 * Returns FAIL for failure (file name already in use by other buffer) 2388 * OK otherwise. 2389 */ 2390 int 2391 setfname(buf, ffname, sfname, message) 2392 buf_T *buf; 2393 char_u *ffname, *sfname; 2394 int message; 2395 { 2396 buf_T *obuf; 2397 #ifdef UNIX 2398 struct stat st; 2399 #endif 2400 2401 if (ffname == NULL || *ffname == NUL) 2402 { 2403 /* Removing the name. */ 2404 vim_free(buf->b_ffname); 2405 vim_free(buf->b_sfname); 2406 buf->b_ffname = NULL; 2407 buf->b_sfname = NULL; 2408 #ifdef UNIX 2409 st.st_dev = (dev_T)-1; 2410 #endif 2411 } 2412 else 2413 { 2414 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2415 if (ffname == NULL) /* out of memory */ 2416 return FAIL; 2417 2418 /* 2419 * if the file name is already used in another buffer: 2420 * - if the buffer is loaded, fail 2421 * - if the buffer is not loaded, delete it from the list 2422 */ 2423 #ifdef UNIX 2424 if (mch_stat((char *)ffname, &st) < 0) 2425 st.st_dev = (dev_T)-1; 2426 obuf = buflist_findname_stat(ffname, &st); 2427 #else 2428 obuf = buflist_findname(ffname); 2429 #endif 2430 if (obuf != NULL && obuf != buf) 2431 { 2432 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2433 { 2434 if (message) 2435 EMSG(_("E95: Buffer with this name already exists")); 2436 vim_free(ffname); 2437 return FAIL; 2438 } 2439 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2440 } 2441 sfname = vim_strsave(sfname); 2442 if (ffname == NULL || sfname == NULL) 2443 { 2444 vim_free(sfname); 2445 vim_free(ffname); 2446 return FAIL; 2447 } 2448 #ifdef USE_FNAME_CASE 2449 # ifdef USE_LONG_FNAME 2450 if (USE_LONG_FNAME) 2451 # endif 2452 fname_case(sfname, 0); /* set correct case for short file name */ 2453 #endif 2454 vim_free(buf->b_ffname); 2455 vim_free(buf->b_sfname); 2456 buf->b_ffname = ffname; 2457 buf->b_sfname = sfname; 2458 } 2459 buf->b_fname = buf->b_sfname; 2460 #ifdef UNIX 2461 if (st.st_dev == (dev_T)-1) 2462 buf->b_dev = -1; 2463 else 2464 { 2465 buf->b_dev = st.st_dev; 2466 buf->b_ino = st.st_ino; 2467 } 2468 #endif 2469 2470 #ifndef SHORT_FNAME 2471 buf->b_shortname = FALSE; 2472 #endif 2473 2474 buf_name_changed(buf); 2475 return OK; 2476 } 2477 2478 /* 2479 * Take care of what needs to be done when the name of buffer "buf" has 2480 * changed. 2481 */ 2482 void 2483 buf_name_changed(buf) 2484 buf_T *buf; 2485 { 2486 /* 2487 * If the file name changed, also change the name of the swapfile 2488 */ 2489 if (buf->b_ml.ml_mfp != NULL) 2490 ml_setname(buf); 2491 2492 if (curwin->w_buffer == buf) 2493 check_arg_idx(curwin); /* check file name for arg list */ 2494 #ifdef FEAT_TITLE 2495 maketitle(); /* set window title */ 2496 #endif 2497 #ifdef FEAT_WINDOWS 2498 status_redraw_all(); /* status lines need to be redrawn */ 2499 #endif 2500 fmarks_check_names(buf); /* check named file marks */ 2501 ml_timestamp(buf); /* reset timestamp */ 2502 } 2503 2504 /* 2505 * set alternate file name for current window 2506 * 2507 * Used by do_one_cmd(), do_write() and do_ecmd(). 2508 * Return the buffer. 2509 */ 2510 buf_T * 2511 setaltfname(ffname, sfname, lnum) 2512 char_u *ffname; 2513 char_u *sfname; 2514 linenr_T lnum; 2515 { 2516 buf_T *buf; 2517 2518 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2519 buf = buflist_new(ffname, sfname, lnum, 0); 2520 if (buf != NULL) 2521 curwin->w_alt_fnum = buf->b_fnum; 2522 return buf; 2523 } 2524 2525 /* 2526 * Get alternate file name for current window. 2527 * Return NULL if there isn't any, and give error message if requested. 2528 */ 2529 char_u * 2530 getaltfname(errmsg) 2531 int errmsg; /* give error message */ 2532 { 2533 char_u *fname; 2534 linenr_T dummy; 2535 2536 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2537 { 2538 if (errmsg) 2539 EMSG(_(e_noalt)); 2540 return NULL; 2541 } 2542 return fname; 2543 } 2544 2545 /* 2546 * Add a file name to the buflist and return its number. 2547 * Uses same flags as buflist_new(), except BLN_DUMMY. 2548 * 2549 * used by qf_init(), main() and doarglist() 2550 */ 2551 int 2552 buflist_add(fname, flags) 2553 char_u *fname; 2554 int flags; 2555 { 2556 buf_T *buf; 2557 2558 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2559 if (buf != NULL) 2560 return buf->b_fnum; 2561 return 0; 2562 } 2563 2564 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2565 /* 2566 * Adjust slashes in file names. Called after 'shellslash' was set. 2567 */ 2568 void 2569 buflist_slash_adjust() 2570 { 2571 buf_T *bp; 2572 2573 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2574 { 2575 if (bp->b_ffname != NULL) 2576 slash_adjust(bp->b_ffname); 2577 if (bp->b_sfname != NULL) 2578 slash_adjust(bp->b_sfname); 2579 } 2580 } 2581 #endif 2582 2583 /* 2584 * Set alternate cursor position for current window. 2585 * Also save the local window option values. 2586 */ 2587 void 2588 buflist_altfpos() 2589 { 2590 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2591 curwin->w_cursor.col, TRUE); 2592 } 2593 2594 /* 2595 * Return TRUE if 'ffname' is not the same file as current file. 2596 * Fname must have a full path (expanded by mch_FullName()). 2597 */ 2598 int 2599 otherfile(ffname) 2600 char_u *ffname; 2601 { 2602 return otherfile_buf(curbuf, ffname 2603 #ifdef UNIX 2604 , NULL 2605 #endif 2606 ); 2607 } 2608 2609 static int 2610 otherfile_buf(buf, ffname 2611 #ifdef UNIX 2612 , stp 2613 #endif 2614 ) 2615 buf_T *buf; 2616 char_u *ffname; 2617 #ifdef UNIX 2618 struct stat *stp; 2619 #endif 2620 { 2621 /* no name is different */ 2622 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2623 return TRUE; 2624 if (fnamecmp(ffname, buf->b_ffname) == 0) 2625 return FALSE; 2626 #ifdef UNIX 2627 { 2628 struct stat st; 2629 2630 /* If no struct stat given, get it now */ 2631 if (stp == NULL) 2632 { 2633 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2634 st.st_dev = (dev_T)-1; 2635 stp = &st; 2636 } 2637 /* Use dev/ino to check if the files are the same, even when the names 2638 * are different (possible with links). Still need to compare the 2639 * name above, for when the file doesn't exist yet. 2640 * Problem: The dev/ino changes when a file is deleted (and created 2641 * again) and remains the same when renamed/moved. We don't want to 2642 * mch_stat() each buffer each time, that would be too slow. Get the 2643 * dev/ino again when they appear to match, but not when they appear 2644 * to be different: Could skip a buffer when it's actually the same 2645 * file. */ 2646 if (buf_same_ino(buf, stp)) 2647 { 2648 buf_setino(buf); 2649 if (buf_same_ino(buf, stp)) 2650 return FALSE; 2651 } 2652 } 2653 #endif 2654 return TRUE; 2655 } 2656 2657 #if defined(UNIX) || defined(PROTO) 2658 /* 2659 * Set inode and device number for a buffer. 2660 * Must always be called when b_fname is changed!. 2661 */ 2662 void 2663 buf_setino(buf) 2664 buf_T *buf; 2665 { 2666 struct stat st; 2667 2668 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2669 { 2670 buf->b_dev = st.st_dev; 2671 buf->b_ino = st.st_ino; 2672 } 2673 else 2674 buf->b_dev = -1; 2675 } 2676 2677 /* 2678 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2679 */ 2680 static int 2681 buf_same_ino(buf, stp) 2682 buf_T *buf; 2683 struct stat *stp; 2684 { 2685 return (buf->b_dev >= 0 2686 && stp->st_dev == buf->b_dev 2687 && stp->st_ino == buf->b_ino); 2688 } 2689 #endif 2690 2691 void 2692 fileinfo(fullname, shorthelp, dont_truncate) 2693 int fullname; 2694 int shorthelp; 2695 int dont_truncate; 2696 { 2697 char_u *name; 2698 int n; 2699 char_u *p; 2700 char_u *buffer; 2701 2702 buffer = alloc(IOSIZE); 2703 if (buffer == NULL) 2704 return; 2705 2706 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2707 { 2708 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2709 p = buffer + STRLEN(buffer); 2710 } 2711 else 2712 p = buffer; 2713 2714 *p++ = '"'; 2715 if (buf_spname(curbuf) != NULL) 2716 STRCPY(p, buf_spname(curbuf)); 2717 else 2718 { 2719 if (!fullname && curbuf->b_fname != NULL) 2720 name = curbuf->b_fname; 2721 else 2722 name = curbuf->b_ffname; 2723 home_replace(shorthelp ? curbuf : NULL, name, p, 2724 (int)(IOSIZE - (p - buffer)), TRUE); 2725 } 2726 2727 sprintf((char *)buffer + STRLEN(buffer), 2728 "\"%s%s%s%s%s%s", 2729 curbufIsChanged() ? (shortmess(SHM_MOD) 2730 ? " [+]" : _(" [Modified]")) : " ", 2731 (curbuf->b_flags & BF_NOTEDITED) 2732 #ifdef FEAT_QUICKFIX 2733 && !bt_dontwrite(curbuf) 2734 #endif 2735 ? _("[Not edited]") : "", 2736 (curbuf->b_flags & BF_NEW) 2737 #ifdef FEAT_QUICKFIX 2738 && !bt_dontwrite(curbuf) 2739 #endif 2740 ? _("[New file]") : "", 2741 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2742 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2743 : _("[readonly]")) : "", 2744 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2745 || curbuf->b_p_ro) ? 2746 " " : ""); 2747 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2748 * causes an overflow, thus for large numbers divide instead. */ 2749 if (curwin->w_cursor.lnum > 1000000L) 2750 n = (int)(((long)curwin->w_cursor.lnum) / 2751 ((long)curbuf->b_ml.ml_line_count / 100L)); 2752 else 2753 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2754 (long)curbuf->b_ml.ml_line_count); 2755 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2756 { 2757 STRCPY(buffer + STRLEN(buffer), _(no_lines_msg)); 2758 } 2759 #ifdef FEAT_CMDL_INFO 2760 else if (p_ru) 2761 { 2762 /* Current line and column are already on the screen -- webb */ 2763 if (curbuf->b_ml.ml_line_count == 1) 2764 sprintf((char *)buffer + STRLEN(buffer), _("1 line --%d%%--"), n); 2765 else 2766 sprintf((char *)buffer + STRLEN(buffer), _("%ld lines --%d%%--"), 2767 (long)curbuf->b_ml.ml_line_count, n); 2768 } 2769 #endif 2770 else 2771 { 2772 sprintf((char *)buffer + STRLEN(buffer), 2773 _("line %ld of %ld --%d%%-- col "), 2774 (long)curwin->w_cursor.lnum, 2775 (long)curbuf->b_ml.ml_line_count, 2776 n); 2777 validate_virtcol(); 2778 col_print(buffer + STRLEN(buffer), 2779 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2780 } 2781 2782 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2783 2784 if (dont_truncate) 2785 { 2786 /* Temporarily set msg_scroll to avoid the message being truncated. 2787 * First call msg_start() to get the message in the right place. */ 2788 msg_start(); 2789 n = msg_scroll; 2790 msg_scroll = TRUE; 2791 msg(buffer); 2792 msg_scroll = n; 2793 } 2794 else 2795 { 2796 p = msg_trunc_attr(buffer, FALSE, 0); 2797 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2798 { 2799 /* Need to repeat the message after redrawing when: 2800 * - When restart_edit is set (otherwise there will be a delay 2801 * before redrawing). 2802 * - When the screen was scrolled but there is no wait-return 2803 * prompt. */ 2804 set_keep_msg(p); 2805 keep_msg_attr = 0; 2806 } 2807 } 2808 2809 vim_free(buffer); 2810 } 2811 2812 void 2813 col_print(buf, col, vcol) 2814 char_u *buf; 2815 int col; 2816 int vcol; 2817 { 2818 if (col == vcol) 2819 sprintf((char *)buf, "%d", col); 2820 else 2821 sprintf((char *)buf, "%d-%d", col, vcol); 2822 } 2823 2824 #if defined(FEAT_TITLE) || defined(PROTO) 2825 /* 2826 * put file name in title bar of window and in icon title 2827 */ 2828 2829 static char_u *lasttitle = NULL; 2830 static char_u *lasticon = NULL; 2831 2832 void 2833 maketitle() 2834 { 2835 char_u *p; 2836 char_u *t_str = NULL; 2837 char_u *i_name; 2838 char_u *i_str = NULL; 2839 int maxlen = 0; 2840 int len; 2841 int mustset; 2842 char_u buf[IOSIZE]; 2843 int off; 2844 2845 if (!redrawing()) 2846 { 2847 /* Postpone updating the title when 'lazyredraw' is set. */ 2848 need_maketitle = TRUE; 2849 return; 2850 } 2851 2852 need_maketitle = FALSE; 2853 if (!p_title && !p_icon) 2854 return; 2855 2856 if (p_title) 2857 { 2858 if (p_titlelen > 0) 2859 { 2860 maxlen = p_titlelen * Columns / 100; 2861 if (maxlen < 10) 2862 maxlen = 10; 2863 } 2864 2865 t_str = buf; 2866 if (*p_titlestring != NUL) 2867 { 2868 #ifdef FEAT_STL_OPT 2869 if (stl_syntax & STL_IN_TITLE) 2870 build_stl_str_hl(curwin, t_str, sizeof(buf), 2871 p_titlestring, 0, maxlen, NULL); 2872 else 2873 #endif 2874 t_str = p_titlestring; 2875 } 2876 else 2877 { 2878 /* format: "fname + (path) (1 of 2) - VIM" */ 2879 2880 if (curbuf->b_fname == NULL) 2881 STRCPY(buf, _("[No file]")); 2882 else 2883 { 2884 p = transstr(gettail(curbuf->b_fname)); 2885 STRNCPY(buf, p, IOSIZE - 100); 2886 vim_free(p); 2887 buf[IOSIZE - 100] = NUL; /* in case it was too long */ 2888 } 2889 2890 switch (bufIsChanged(curbuf) 2891 + (curbuf->b_p_ro * 2) 2892 + (!curbuf->b_p_ma * 4)) 2893 { 2894 case 1: STRCAT(buf, " +"); break; 2895 case 2: STRCAT(buf, " ="); break; 2896 case 3: STRCAT(buf, " =+"); break; 2897 case 4: 2898 case 6: STRCAT(buf, " -"); break; 2899 case 5: 2900 case 7: STRCAT(buf, " -+"); break; 2901 } 2902 2903 if (curbuf->b_fname != NULL) 2904 { 2905 /* Get path of file, replace home dir with ~ */ 2906 off = (int)STRLEN(buf); 2907 buf[off++] = ' '; 2908 buf[off++] = '('; 2909 home_replace(curbuf, curbuf->b_ffname, 2910 buf + off, IOSIZE - off, TRUE); 2911 #ifdef BACKSLASH_IN_FILENAME 2912 /* avoid "c:/name" to be reduced to "c" */ 2913 if (isalpha(buf[off]) && buf[off + 1] == ':') 2914 off += 2; 2915 #endif 2916 /* remove the file name */ 2917 p = gettail(buf + off); 2918 if (p == buf + off) 2919 { 2920 /* must be a help buffer */ 2921 STRCPY(buf + off, _("help")); 2922 } 2923 else 2924 { 2925 while (p > buf + off + 1 && vim_ispathsep(p[-1])) 2926 --p; 2927 #ifdef VMS 2928 /* path separator is part of the path */ 2929 ++p; 2930 #endif 2931 *p = NUL; 2932 } 2933 /* translate unprintable chars */ 2934 p = transstr(buf + off); 2935 STRNCPY(buf + off, p, IOSIZE - off); 2936 vim_free(p); 2937 buf[IOSIZE - 1] = NUL; /* in case it was too long */ 2938 STRCAT(buf, ")"); 2939 } 2940 2941 append_arg_number(curwin, buf, FALSE, IOSIZE); 2942 2943 #if defined(FEAT_CLIENTSERVER) 2944 if (serverName != NULL) 2945 { 2946 STRCAT(buf, " - "); 2947 STRCAT(buf, serverName); 2948 } 2949 else 2950 #endif 2951 STRCAT(buf, " - VIM"); 2952 2953 if (maxlen > 0) 2954 { 2955 /* make it shorter by removing a bit in the middle */ 2956 len = vim_strsize(buf); 2957 if (len > maxlen) 2958 trunc_string(buf, buf, maxlen); 2959 } 2960 } 2961 } 2962 mustset = ti_change(t_str, &lasttitle); 2963 2964 if (p_icon) 2965 { 2966 i_str = buf; 2967 if (*p_iconstring != NUL) 2968 { 2969 #ifdef FEAT_STL_OPT 2970 if (stl_syntax & STL_IN_ICON) 2971 build_stl_str_hl(curwin, i_str, sizeof(buf), 2972 p_iconstring, 0, 0, NULL); 2973 else 2974 #endif 2975 i_str = p_iconstring; 2976 } 2977 else 2978 { 2979 if (buf_spname(curbuf) != NULL) 2980 i_name = (char_u *)buf_spname(curbuf); 2981 else /* use file name only in icon */ 2982 i_name = gettail(curbuf->b_ffname); 2983 *i_str = NUL; 2984 /* Truncate name at 100 bytes. */ 2985 len = STRLEN(i_name); 2986 if (len > 100) 2987 { 2988 len -= 100; 2989 #ifdef FEAT_MBYTE 2990 if (has_mbyte) 2991 len += (*mb_tail_off)(i_name, i_name + len) + 1; 2992 #endif 2993 i_name += len; 2994 } 2995 STRCPY(i_str, i_name); 2996 trans_characters(i_str, IOSIZE); 2997 } 2998 } 2999 3000 mustset |= ti_change(i_str, &lasticon); 3001 3002 if (mustset) 3003 resettitle(); 3004 } 3005 3006 /* 3007 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3008 * from "str" if it does. 3009 * Return TRUE when "*last" changed. 3010 */ 3011 static int 3012 ti_change(str, last) 3013 char_u *str; 3014 char_u **last; 3015 { 3016 if ((str == NULL) != (*last == NULL) 3017 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3018 { 3019 vim_free(*last); 3020 if (str == NULL) 3021 *last = NULL; 3022 else 3023 *last = vim_strsave(str); 3024 return TRUE; 3025 } 3026 return FALSE; 3027 } 3028 3029 /* 3030 * Put current window title back (used after calling a shell) 3031 */ 3032 void 3033 resettitle() 3034 { 3035 mch_settitle(lasttitle, lasticon); 3036 } 3037 #endif /* FEAT_TITLE */ 3038 3039 #if defined(FEAT_STL_OPT) || defined(PROTO) 3040 /* 3041 * Build a string from the status line items in fmt. 3042 * Return length of string in screen cells. 3043 * 3044 * Items are drawn interspersed with the text that surrounds it 3045 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3046 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3047 * 3048 * If maxwidth is not zero, the string will be filled at any middle marker 3049 * or truncated if too long, fillchar is used for all whitespace. 3050 */ 3051 int 3052 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3053 win_T *wp; 3054 char_u *out; /* buffer to write into */ 3055 size_t outlen; /* length of out[] */ 3056 char_u *fmt; 3057 int fillchar; 3058 int maxwidth; 3059 struct stl_hlrec *hl; 3060 { 3061 char_u *p; 3062 char_u *s; 3063 char_u *t; 3064 char_u *linecont; 3065 #ifdef FEAT_EVAL 3066 win_T *o_curwin; 3067 buf_T *o_curbuf; 3068 #endif 3069 int empty_line; 3070 colnr_T virtcol; 3071 long l; 3072 long n; 3073 int prevchar_isflag; 3074 int prevchar_isitem; 3075 int itemisflag; 3076 int fillable; 3077 char_u *str; 3078 long num; 3079 int width; 3080 int itemcnt; 3081 int curitem; 3082 int groupitem[STL_MAX_ITEM]; 3083 int groupdepth; 3084 struct stl_item 3085 { 3086 char_u *start; 3087 int minwid; 3088 int maxwid; 3089 enum 3090 { 3091 Normal, 3092 Empty, 3093 Group, 3094 Middle, 3095 Highlight, 3096 Trunc 3097 } type; 3098 } item[STL_MAX_ITEM]; 3099 int minwid; 3100 int maxwid; 3101 int zeropad; 3102 char_u base; 3103 char_u opt; 3104 #define TMPLEN 70 3105 char_u tmp[TMPLEN]; 3106 3107 if (fillchar == 0) 3108 fillchar = ' '; 3109 /* 3110 * Get line & check if empty (cursorpos will show "0-1"). 3111 * If inversion is possible we use it. Else '=' characters are used. 3112 */ 3113 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3114 empty_line = (*linecont == NUL); 3115 3116 groupdepth = 0; 3117 p = out; 3118 curitem = 0; 3119 prevchar_isflag = TRUE; 3120 prevchar_isitem = FALSE; 3121 for (s = fmt; *s;) 3122 { 3123 if (*s != NUL && *s != '%') 3124 prevchar_isflag = prevchar_isitem = FALSE; 3125 3126 /* 3127 * Handle up to the next '%' or the end. 3128 */ 3129 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3130 *p++ = *s++; 3131 if (*s == NUL || p + 1 >= out + outlen) 3132 break; 3133 3134 /* 3135 * Handle one '%' item. 3136 */ 3137 s++; 3138 if (*s == '%') 3139 { 3140 if (p + 1 >= out + outlen) 3141 break; 3142 *p++ = *s++; 3143 prevchar_isflag = prevchar_isitem = FALSE; 3144 continue; 3145 } 3146 if (*s == STL_MIDDLEMARK) 3147 { 3148 s++; 3149 if (groupdepth > 0) 3150 continue; 3151 item[curitem].type = Middle; 3152 item[curitem++].start = p; 3153 continue; 3154 } 3155 if (*s == STL_TRUNCMARK) 3156 { 3157 s++; 3158 item[curitem].type = Trunc; 3159 item[curitem++].start = p; 3160 continue; 3161 } 3162 if (*s == ')') 3163 { 3164 s++; 3165 if (groupdepth < 1) 3166 continue; 3167 groupdepth--; 3168 3169 t = item[groupitem[groupdepth]].start; 3170 *p = NUL; 3171 l = vim_strsize(t); 3172 if (curitem > groupitem[groupdepth] + 1 3173 && item[groupitem[groupdepth]].minwid == 0) 3174 { 3175 /* remove group if all items are empty */ 3176 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3177 if (item[n].type == Normal) 3178 break; 3179 if (n == curitem) 3180 { 3181 p = t; 3182 l = 0; 3183 } 3184 } 3185 if (l > item[groupitem[groupdepth]].maxwid) 3186 { 3187 /* truncate, remove n bytes of text at the start */ 3188 #ifdef FEAT_MBYTE 3189 if (has_mbyte) 3190 { 3191 /* Find the first character that should be included. */ 3192 n = 0; 3193 while (l >= item[groupitem[groupdepth]].maxwid) 3194 { 3195 l -= ptr2cells(t + n); 3196 n += (*mb_ptr2len_check)(t + n); 3197 } 3198 } 3199 else 3200 #endif 3201 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3202 3203 *t = '<'; 3204 mch_memmove(t + 1, t + n, p - (t + n)); 3205 p = p - n + 1; 3206 #ifdef FEAT_MBYTE 3207 /* Fill up space left over by half a double-wide char. */ 3208 while (++l < item[groupitem[groupdepth]].minwid) 3209 *p++ = fillchar; 3210 #endif 3211 3212 /* correct the start of the items for the truncation */ 3213 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3214 { 3215 item[l].start -= n; 3216 if (item[l].start < t) 3217 item[l].start = t; 3218 } 3219 } 3220 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3221 { 3222 /* fill */ 3223 n = item[groupitem[groupdepth]].minwid; 3224 if (n < 0) 3225 { 3226 /* fill by appending characters */ 3227 n = 0 - n; 3228 while (l++ < n && p + 1 < out + outlen) 3229 *p++ = fillchar; 3230 } 3231 else 3232 { 3233 /* fill by inserting characters */ 3234 mch_memmove(t + n - l, t, p - t); 3235 l = n - l; 3236 if (p + l >= out + outlen) 3237 l = (out + outlen) - p - 1; 3238 p += l; 3239 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3240 item[n].start += l; 3241 for ( ; l > 0; l--) 3242 *t++ = fillchar; 3243 } 3244 } 3245 continue; 3246 } 3247 minwid = 0; 3248 maxwid = 9999; 3249 zeropad = FALSE; 3250 l = 1; 3251 if (*s == '0') 3252 { 3253 s++; 3254 zeropad = TRUE; 3255 } 3256 if (*s == '-') 3257 { 3258 s++; 3259 l = -1; 3260 } 3261 if (VIM_ISDIGIT(*s)) 3262 { 3263 minwid = (int)getdigits(&s); 3264 if (minwid < 0) /* overflow */ 3265 minwid = 0; 3266 } 3267 if (*s == STL_HIGHLIGHT) 3268 { 3269 item[curitem].type = Highlight; 3270 item[curitem].start = p; 3271 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3272 s++; 3273 curitem++; 3274 continue; 3275 } 3276 if (*s == '.') 3277 { 3278 s++; 3279 if (VIM_ISDIGIT(*s)) 3280 { 3281 maxwid = (int)getdigits(&s); 3282 if (maxwid <= 0) /* overflow */ 3283 maxwid = 50; 3284 } 3285 } 3286 minwid = (minwid > 50 ? 50 : minwid) * l; 3287 if (*s == '(') 3288 { 3289 groupitem[groupdepth++] = curitem; 3290 item[curitem].type = Group; 3291 item[curitem].start = p; 3292 item[curitem].minwid = minwid; 3293 item[curitem].maxwid = maxwid; 3294 s++; 3295 curitem++; 3296 continue; 3297 } 3298 if (vim_strchr(STL_ALL, *s) == NULL) 3299 { 3300 s++; 3301 continue; 3302 } 3303 opt = *s++; 3304 3305 /* OK - now for the real work */ 3306 base = 'D'; 3307 itemisflag = FALSE; 3308 fillable = TRUE; 3309 num = -1; 3310 str = NULL; 3311 switch (opt) 3312 { 3313 case STL_FILEPATH: 3314 case STL_FULLPATH: 3315 case STL_FILENAME: 3316 fillable = FALSE; /* don't change ' ' to fillchar */ 3317 if (buf_spname(wp->w_buffer) != NULL) 3318 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3319 else 3320 { 3321 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3322 : wp->w_buffer->b_fname; 3323 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3324 } 3325 trans_characters(NameBuff, MAXPATHL); 3326 if (opt != STL_FILENAME) 3327 str = NameBuff; 3328 else 3329 str = gettail(NameBuff); 3330 break; 3331 3332 case STL_VIM_EXPR: /* '{' */ 3333 itemisflag = TRUE; 3334 t = p; 3335 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3336 *p++ = *s++; 3337 if (*s != '}') /* missing '}' or out of space */ 3338 break; 3339 s++; 3340 *p = 0; 3341 p = t; 3342 3343 #ifdef FEAT_EVAL 3344 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3345 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3346 3347 o_curbuf = curbuf; 3348 o_curwin = curwin; 3349 curwin = wp; 3350 curbuf = wp->w_buffer; 3351 3352 str = eval_to_string_safe(p, &t); 3353 3354 curwin = o_curwin; 3355 curbuf = o_curbuf; 3356 do_unlet((char_u *)"g:actual_curbuf"); 3357 3358 if (str != NULL && *str != 0) 3359 { 3360 if (*skipdigits(str) == NUL) 3361 { 3362 num = atoi((char *)str); 3363 vim_free(str); 3364 str = NULL; 3365 itemisflag = FALSE; 3366 } 3367 } 3368 #endif 3369 break; 3370 3371 case STL_LINE: 3372 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3373 ? 0L : (long)(wp->w_cursor.lnum); 3374 break; 3375 3376 case STL_NUMLINES: 3377 num = wp->w_buffer->b_ml.ml_line_count; 3378 break; 3379 3380 case STL_COLUMN: 3381 num = !(State & INSERT) && empty_line 3382 ? 0 : (int)wp->w_cursor.col + 1; 3383 break; 3384 3385 case STL_VIRTCOL: 3386 case STL_VIRTCOL_ALT: 3387 /* In list mode virtcol needs to be recomputed */ 3388 virtcol = wp->w_virtcol; 3389 if (wp->w_p_list && lcs_tab1 == NUL) 3390 { 3391 wp->w_p_list = FALSE; 3392 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3393 wp->w_p_list = TRUE; 3394 } 3395 ++virtcol; 3396 /* Don't display %V if it's the same as %c. */ 3397 if (opt == STL_VIRTCOL_ALT 3398 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3399 ? 0 : (int)wp->w_cursor.col + 1))) 3400 break; 3401 num = (long)virtcol; 3402 break; 3403 3404 case STL_PERCENTAGE: 3405 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3406 (long)wp->w_buffer->b_ml.ml_line_count); 3407 break; 3408 3409 case STL_ALTPERCENT: 3410 str = tmp; 3411 get_rel_pos(wp, str); 3412 break; 3413 3414 case STL_ARGLISTSTAT: 3415 fillable = FALSE; 3416 tmp[0] = 0; 3417 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3418 str = tmp; 3419 break; 3420 3421 case STL_KEYMAP: 3422 fillable = FALSE; 3423 if (get_keymap_str(wp, tmp, TMPLEN)) 3424 str = tmp; 3425 break; 3426 case STL_PAGENUM: 3427 #ifdef FEAT_PRINTER 3428 num = get_printer_page_num(); 3429 #else 3430 num = 0; 3431 #endif 3432 break; 3433 3434 case STL_BUFNO: 3435 num = wp->w_buffer->b_fnum; 3436 break; 3437 3438 case STL_OFFSET_X: 3439 base = 'X'; 3440 case STL_OFFSET: 3441 #ifdef FEAT_BYTEOFF 3442 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3443 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3444 0L : l + 1 + (!(State & INSERT) && empty_line ? 3445 0 : (int)wp->w_cursor.col); 3446 #endif 3447 break; 3448 3449 case STL_BYTEVAL_X: 3450 base = 'X'; 3451 case STL_BYTEVAL: 3452 if (((State & INSERT) && wp == curwin) || empty_line) 3453 num = 0; 3454 else 3455 { 3456 #ifdef FEAT_MBYTE 3457 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3458 #else 3459 num = linecont[wp->w_cursor.col]; 3460 #endif 3461 } 3462 if (num == NL) 3463 num = 0; 3464 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3465 num = NL; 3466 break; 3467 3468 case STL_ROFLAG: 3469 case STL_ROFLAG_ALT: 3470 itemisflag = TRUE; 3471 if (wp->w_buffer->b_p_ro) 3472 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3473 break; 3474 3475 case STL_HELPFLAG: 3476 case STL_HELPFLAG_ALT: 3477 itemisflag = TRUE; 3478 if (wp->w_buffer->b_help) 3479 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3480 : _("[help]")); 3481 break; 3482 3483 #ifdef FEAT_AUTOCMD 3484 case STL_FILETYPE: 3485 if (*wp->w_buffer->b_p_ft != NUL 3486 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3487 { 3488 sprintf((char *)tmp, "[%s]", wp->w_buffer->b_p_ft); 3489 str = tmp; 3490 } 3491 break; 3492 3493 case STL_FILETYPE_ALT: 3494 itemisflag = TRUE; 3495 if (*wp->w_buffer->b_p_ft != NUL 3496 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3497 { 3498 sprintf((char *)tmp, ",%s", wp->w_buffer->b_p_ft); 3499 for (t = tmp; *t != 0; t++) 3500 *t = TOUPPER_LOC(*t); 3501 str = tmp; 3502 } 3503 break; 3504 #endif 3505 3506 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3507 case STL_PREVIEWFLAG: 3508 case STL_PREVIEWFLAG_ALT: 3509 itemisflag = TRUE; 3510 if (wp->w_p_pvw) 3511 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3512 : _("[Preview]")); 3513 break; 3514 #endif 3515 3516 case STL_MODIFIED: 3517 case STL_MODIFIED_ALT: 3518 itemisflag = TRUE; 3519 switch ((opt == STL_MODIFIED_ALT) 3520 + bufIsChanged(wp->w_buffer) * 2 3521 + (!wp->w_buffer->b_p_ma) * 4) 3522 { 3523 case 2: str = (char_u *)"[+]"; break; 3524 case 3: str = (char_u *)",+"; break; 3525 case 4: str = (char_u *)"[-]"; break; 3526 case 5: str = (char_u *)",-"; break; 3527 case 6: str = (char_u *)"[+-]"; break; 3528 case 7: str = (char_u *)",+-"; break; 3529 } 3530 break; 3531 } 3532 3533 item[curitem].start = p; 3534 item[curitem].type = Normal; 3535 if (str != NULL && *str) 3536 { 3537 t = str; 3538 if (itemisflag) 3539 { 3540 if ((t[0] && t[1]) 3541 && ((!prevchar_isitem && *t == ',') 3542 || (prevchar_isflag && *t == ' '))) 3543 t++; 3544 prevchar_isflag = TRUE; 3545 } 3546 l = vim_strsize(t); 3547 if (l > 0) 3548 prevchar_isitem = TRUE; 3549 if (l > maxwid) 3550 { 3551 while (l >= maxwid) 3552 #ifdef FEAT_MBYTE 3553 if (has_mbyte) 3554 { 3555 l -= ptr2cells(t); 3556 t += (*mb_ptr2len_check)(t); 3557 } 3558 else 3559 #endif 3560 l -= byte2cells(*t++); 3561 if (p + 1 >= out + outlen) 3562 break; 3563 *p++ = '<'; 3564 } 3565 if (minwid > 0) 3566 { 3567 for (; l < minwid && p + 1 < out + outlen; l++) 3568 { 3569 /* Don't put a "-" in front of a digit. */ 3570 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3571 *p++ = ' '; 3572 else 3573 *p++ = fillchar; 3574 } 3575 minwid = 0; 3576 } 3577 else 3578 minwid *= -1; 3579 while (*t && p + 1 < out + outlen) 3580 { 3581 *p++ = *t++; 3582 /* Change a space by fillchar, unless fillchar is '-' and a 3583 * digit follows. */ 3584 if (fillable && p[-1] == ' ' 3585 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3586 p[-1] = fillchar; 3587 } 3588 for (; l < minwid && p + 1 < out + outlen; l++) 3589 *p++ = fillchar; 3590 } 3591 else if (num >= 0) 3592 { 3593 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3594 char_u nstr[20]; 3595 3596 if (p + 20 >= out + outlen) 3597 break; /* not sufficient space */ 3598 prevchar_isitem = TRUE; 3599 t = nstr; 3600 if (opt == STL_VIRTCOL_ALT) 3601 { 3602 *t++ = '-'; 3603 minwid--; 3604 } 3605 *t++ = '%'; 3606 if (zeropad) 3607 *t++ = '0'; 3608 *t++ = '*'; 3609 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3610 *t = 0; 3611 3612 for (n = num, l = 1; n >= nbase; n /= nbase) 3613 l++; 3614 if (opt == STL_VIRTCOL_ALT) 3615 l++; 3616 if (l > maxwid) 3617 { 3618 l += 2; 3619 n = l - maxwid; 3620 while (l-- > maxwid) 3621 num /= nbase; 3622 *t++ = '>'; 3623 *t++ = '%'; 3624 *t = t[-3]; 3625 *++t = 0; 3626 sprintf((char *)p, (char *)nstr, 0, num, n); 3627 } 3628 else 3629 sprintf((char *)p, (char *)nstr, minwid, num); 3630 p += STRLEN(p); 3631 } 3632 else 3633 item[curitem].type = Empty; 3634 3635 if (opt == STL_VIM_EXPR) 3636 vim_free(str); 3637 3638 if (num >= 0 || (!itemisflag && str && *str)) 3639 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3640 curitem++; 3641 } 3642 *p = NUL; 3643 itemcnt = curitem; 3644 3645 width = vim_strsize(out); 3646 if (maxwidth > 0 && width > maxwidth) 3647 { 3648 /* Result is too long, must trunctate somewhere. */ 3649 l = 0; 3650 if (itemcnt == 0) 3651 s = out; 3652 else 3653 { 3654 for ( ; l < itemcnt; l++) 3655 if (item[l].type == Trunc) 3656 { 3657 /* Truncate at %< item. */ 3658 s = item[l].start; 3659 break; 3660 } 3661 if (l == itemcnt) 3662 { 3663 /* No %< item, truncate first item. */ 3664 s = item[0].start; 3665 l = 0; 3666 } 3667 } 3668 3669 if (width - vim_strsize(s) >= maxwidth) 3670 { 3671 /* Truncation mark is beyond max length */ 3672 #ifdef FEAT_MBYTE 3673 if (has_mbyte) 3674 { 3675 s = out; 3676 width = 0; 3677 for (;;) 3678 { 3679 width += ptr2cells(s); 3680 if (width >= maxwidth) 3681 break; 3682 s += (*mb_ptr2len_check)(s); 3683 } 3684 /* Fill up for half a double-wide character. */ 3685 while (++width < maxwidth) 3686 *s++ = fillchar; 3687 } 3688 else 3689 #endif 3690 s = out + maxwidth - 1; 3691 for (l = 0; l < itemcnt; l++) 3692 if (item[l].start > s) 3693 break; 3694 itemcnt = l; 3695 *s++ = '>'; 3696 *s = 0; 3697 } 3698 else 3699 { 3700 #ifdef FEAT_MBYTE 3701 if (has_mbyte) 3702 { 3703 n = 0; 3704 while (width >= maxwidth) 3705 { 3706 width -= ptr2cells(s + n); 3707 n += (*mb_ptr2len_check)(s + n); 3708 } 3709 } 3710 else 3711 #endif 3712 n = width - maxwidth + 1; 3713 p = s + n; 3714 mch_memmove(s + 1, p, STRLEN(p) + 1); 3715 *s = '<'; 3716 3717 /* Fill up for half a double-wide character. */ 3718 while (++width < maxwidth) 3719 { 3720 s = s + STRLEN(s); 3721 *s++ = fillchar; 3722 *s = NUL; 3723 } 3724 3725 --n; /* count the '<' */ 3726 for (; l < itemcnt; l++) 3727 { 3728 if (item[l].start - n >= s) 3729 item[l].start -= n; 3730 else 3731 item[l].start = s; 3732 } 3733 } 3734 width = maxwidth; 3735 } 3736 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3737 { 3738 /* Apply STL_MIDDLE if any */ 3739 for (l = 0; l < itemcnt; l++) 3740 if (item[l].type == Middle) 3741 break; 3742 if (l < itemcnt) 3743 { 3744 p = item[l].start + maxwidth - width; 3745 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3746 for (s = item[l].start; s < p; s++) 3747 *s = fillchar; 3748 for (l++; l < itemcnt; l++) 3749 item[l].start += maxwidth - width; 3750 width = maxwidth; 3751 } 3752 } 3753 3754 if (hl != NULL) 3755 { 3756 for (l = 0; l < itemcnt; l++) 3757 { 3758 if (item[l].type == Highlight) 3759 { 3760 hl->start = item[l].start; 3761 hl->userhl = item[l].minwid; 3762 hl++; 3763 } 3764 } 3765 hl->start = NULL; 3766 hl->userhl = 0; 3767 } 3768 3769 return width; 3770 } 3771 #endif /* FEAT_STL_OPT */ 3772 3773 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3774 /* 3775 * Get relative cursor position in window, in the form 99%, using "Top", "Bot" 3776 * or "All" when appropriate. 3777 */ 3778 void 3779 get_rel_pos(wp, str) 3780 win_T *wp; 3781 char_u *str; 3782 { 3783 long above; /* number of lines above window */ 3784 long below; /* number of lines below window */ 3785 3786 above = wp->w_topline - 1; 3787 #ifdef FEAT_DIFF 3788 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3789 #endif 3790 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3791 if (below <= 0) 3792 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3793 else if (above <= 0) 3794 STRCPY(str, _("Top")); 3795 else 3796 sprintf((char *)str, "%2d%%", above > 1000000L 3797 ? (int)(above / ((above + below) / 100L)) 3798 : (int)(above * 100L / (above + below))); 3799 } 3800 #endif 3801 3802 /* 3803 * Append (file 2 of 8) to 'buf', if editing more than one file. 3804 * Return TRUE if it was appended. 3805 */ 3806 int 3807 append_arg_number(wp, buf, add_file, maxlen) 3808 win_T *wp; 3809 char_u *buf; 3810 int add_file; /* Add "file" before the arg number */ 3811 int maxlen; /* maximum nr of chars in buf or zero*/ 3812 { 3813 char_u *p; 3814 3815 if (ARGCOUNT <= 1) /* nothing to do */ 3816 return FALSE; 3817 3818 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3819 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3820 return FALSE; 3821 *p++ = ' '; 3822 *p++ = '('; 3823 if (add_file) 3824 { 3825 STRCPY(p, "file "); 3826 p += 5; 3827 } 3828 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3829 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3830 return TRUE; 3831 } 3832 3833 /* 3834 * If fname is not a full path, make it a full path. 3835 * Returns pointer to allocated memory (NULL for failure). 3836 */ 3837 char_u * 3838 fix_fname(fname) 3839 char_u *fname; 3840 { 3841 /* 3842 * Force expanding the path always for Unix, because symbolic links may 3843 * mess up the full path name, even though it starts with a '/'. 3844 * Also expand when there is ".." in the file name, try to remove it, 3845 * because "c:/src/../README" is equal to "c:/README". 3846 * For MS-Windows also expand names like "longna~1" to "longname". 3847 */ 3848 #ifdef UNIX 3849 return FullName_save(fname, TRUE); 3850 #else 3851 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 3852 #if defined(MSWIN) || defined(DJGPP) 3853 || vim_strchr(fname, '~') != NULL 3854 #endif 3855 ) 3856 return FullName_save(fname, FALSE); 3857 3858 fname = vim_strsave(fname); 3859 3860 #ifdef USE_FNAME_CASE 3861 # ifdef USE_LONG_FNAME 3862 if (USE_LONG_FNAME) 3863 # endif 3864 { 3865 if (fname != NULL) 3866 fname_case(fname, 0); /* set correct case for file name */ 3867 } 3868 #endif 3869 3870 return fname; 3871 #endif 3872 } 3873 3874 /* 3875 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 3876 * "ffname" becomes a pointer to allocated memory (or NULL). 3877 */ 3878 /*ARGSUSED*/ 3879 void 3880 fname_expand(buf, ffname, sfname) 3881 buf_T *buf; 3882 char_u **ffname; 3883 char_u **sfname; 3884 { 3885 if (*ffname == NULL) /* if no file name given, nothing to do */ 3886 return; 3887 if (*sfname == NULL) /* if no short file name given, use ffname */ 3888 *sfname = *ffname; 3889 *ffname = fix_fname(*ffname); /* expand to full path */ 3890 3891 #ifdef FEAT_SHORTCUT 3892 if (!buf->b_p_bin) 3893 { 3894 char_u *rfname = NULL; 3895 3896 /* If the file name is a shortcut file, use the file it links to. */ 3897 rfname = mch_resolve_shortcut(*ffname); 3898 if (rfname) 3899 { 3900 vim_free(*ffname); 3901 *ffname = rfname; 3902 *sfname = rfname; 3903 } 3904 } 3905 #endif 3906 } 3907 3908 /* 3909 * Get the file name for an argument list entry. 3910 */ 3911 char_u * 3912 alist_name(aep) 3913 aentry_T *aep; 3914 { 3915 buf_T *bp; 3916 3917 /* Use the name from the associated buffer if it exists. */ 3918 bp = buflist_findnr(aep->ae_fnum); 3919 if (bp == NULL) 3920 return aep->ae_fname; 3921 return bp->b_fname; 3922 } 3923 3924 #if defined(FEAT_WINDOWS) || defined(PROTO) 3925 /* 3926 * do_arg_all(): Open up to 'count' windows, one for each argument. 3927 */ 3928 void 3929 do_arg_all(count, forceit) 3930 int count; 3931 int forceit; /* hide buffers in current windows */ 3932 { 3933 int i; 3934 win_T *wp, *wpnext; 3935 char_u *opened; /* array of flags for which args are open */ 3936 int opened_len; /* lenght of opened[] */ 3937 int use_firstwin = FALSE; /* use first window for arglist */ 3938 int split_ret = OK; 3939 int p_ea_save; 3940 alist_T *alist; /* argument list to be used */ 3941 buf_T *buf; 3942 3943 if (ARGCOUNT <= 0) 3944 { 3945 /* Don't give an error message. We don't want it when the ":all" 3946 * command is in the .vimrc. */ 3947 return; 3948 } 3949 setpcmark(); 3950 3951 opened_len = ARGCOUNT; 3952 opened = alloc_clear((unsigned)opened_len); 3953 if (opened == NULL) 3954 return; 3955 3956 #ifdef FEAT_GUI 3957 need_mouse_correct = TRUE; 3958 #endif 3959 3960 /* 3961 * Try closing all windows that are not in the argument list. 3962 * Also close windows that are not full width; 3963 * When 'hidden' or "forceit" set the buffer becomes hidden. 3964 * Windows that have a changed buffer and can't be hidden won't be closed. 3965 */ 3966 for (wp = firstwin; wp != NULL; wp = wpnext) 3967 { 3968 wpnext = wp->w_next; 3969 buf = wp->w_buffer; 3970 if (buf->b_ffname == NULL 3971 || buf->b_nwindows > 1 3972 #ifdef FEAT_VERTSPLIT 3973 || wp->w_width != Columns 3974 #endif 3975 ) 3976 i = ARGCOUNT; 3977 else 3978 { 3979 /* check if the buffer in this window is in the arglist */ 3980 for (i = 0; i < ARGCOUNT; ++i) 3981 { 3982 if (ARGLIST[i].ae_fnum == buf->b_fnum 3983 || fullpathcmp(alist_name(&ARGLIST[i]), 3984 buf->b_ffname, TRUE) & FPC_SAME) 3985 { 3986 if (i < opened_len) 3987 opened[i] = TRUE; 3988 if (wp->w_alist != curwin->w_alist) 3989 { 3990 /* Use the current argument list for all windows 3991 * containing a file from it. */ 3992 alist_unlink(wp->w_alist); 3993 wp->w_alist = curwin->w_alist; 3994 ++wp->w_alist->al_refcount; 3995 } 3996 break; 3997 } 3998 } 3999 } 4000 wp->w_arg_idx = i; 4001 4002 if (i == ARGCOUNT) /* close this window */ 4003 { 4004 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4005 || !bufIsChanged(buf)) 4006 { 4007 /* If the buffer was changed, and we would like to hide it, 4008 * try autowriting. */ 4009 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4010 { 4011 (void)autowrite(buf, FALSE); 4012 #ifdef FEAT_AUTOCMD 4013 /* check if autocommands removed the window */ 4014 if (!win_valid(wp) || !buf_valid(buf)) 4015 { 4016 wpnext = firstwin; /* start all over... */ 4017 continue; 4018 } 4019 #endif 4020 } 4021 #ifdef FEAT_WINDOWS 4022 if (firstwin == lastwin) /* can't close last window */ 4023 #endif 4024 use_firstwin = TRUE; 4025 #ifdef FEAT_WINDOWS 4026 else 4027 { 4028 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4029 # ifdef FEAT_AUTOCMD 4030 /* check if autocommands removed the next window */ 4031 if (!win_valid(wpnext)) 4032 wpnext = firstwin; /* start all over... */ 4033 # endif 4034 } 4035 #endif 4036 } 4037 } 4038 } 4039 4040 /* 4041 * Open a window for files in the argument list that don't have one. 4042 * ARGCOUNT may change while doing this, because of autocommands. 4043 */ 4044 if (count > ARGCOUNT || count <= 0) 4045 count = ARGCOUNT; 4046 4047 /* Autocommands may do anything to the argument list. Make sure it's not 4048 * freed while we are working here by "locking" it. We still have to 4049 * watch out for its size to be changed. */ 4050 alist = curwin->w_alist; 4051 ++alist->al_refcount; 4052 4053 #ifdef FEAT_AUTOCMD 4054 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4055 ++autocmd_no_enter; 4056 ++autocmd_no_leave; 4057 #endif 4058 win_enter(lastwin, FALSE); 4059 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4060 { 4061 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4062 arg_had_last = TRUE; 4063 if (i < opened_len && opened[i]) 4064 { 4065 /* Move the already present window to below the current window */ 4066 if (curwin->w_arg_idx != i) 4067 { 4068 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4069 { 4070 if (wpnext->w_arg_idx == i) 4071 { 4072 win_move_after(wpnext, curwin); 4073 break; 4074 } 4075 } 4076 } 4077 } 4078 else if (split_ret == OK) 4079 { 4080 if (!use_firstwin) /* split current window */ 4081 { 4082 p_ea_save = p_ea; 4083 p_ea = TRUE; /* use space from all windows */ 4084 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4085 p_ea = p_ea_save; 4086 if (split_ret == FAIL) 4087 continue; 4088 } 4089 #ifdef FEAT_AUTOCMD 4090 else /* first window: do autocmd for leaving this buffer */ 4091 --autocmd_no_leave; 4092 #endif 4093 4094 /* 4095 * edit file i 4096 */ 4097 curwin->w_arg_idx = i; 4098 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4099 ECMD_ONE, 4100 ((P_HID(curwin->w_buffer) 4101 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4102 + ECMD_OLDBUF); 4103 #ifdef FEAT_AUTOCMD 4104 if (use_firstwin) 4105 ++autocmd_no_leave; 4106 #endif 4107 use_firstwin = FALSE; 4108 } 4109 ui_breakcheck(); 4110 } 4111 4112 /* Remove the "lock" on the argument list. */ 4113 alist_unlink(alist); 4114 4115 #ifdef FEAT_AUTOCMD 4116 --autocmd_no_enter; 4117 #endif 4118 win_enter(firstwin, FALSE); /* back to first window */ 4119 #ifdef FEAT_AUTOCMD 4120 --autocmd_no_leave; 4121 #endif 4122 vim_free(opened); 4123 } 4124 4125 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4126 /* 4127 * Open a window for a number of buffers. 4128 */ 4129 void 4130 ex_buffer_all(eap) 4131 exarg_T *eap; 4132 { 4133 buf_T *buf; 4134 win_T *wp, *wpnext; 4135 int split_ret = OK; 4136 int p_ea_save; 4137 int open_wins = 0; 4138 int r; 4139 int count; /* Maximum number of windows to open. */ 4140 int all; /* When TRUE also load inactive buffers. */ 4141 4142 if (eap->addr_count == 0) /* make as many windows as possible */ 4143 count = 9999; 4144 else 4145 count = eap->line2; /* make as many windows as specified */ 4146 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4147 all = FALSE; 4148 else 4149 all = TRUE; 4150 4151 setpcmark(); 4152 4153 #ifdef FEAT_GUI 4154 need_mouse_correct = TRUE; 4155 #endif 4156 4157 /* 4158 * Close superfluous windows (two windows for the same buffer). 4159 * Also close windows that are not full-width. 4160 */ 4161 for (wp = firstwin; wp != NULL; wp = wpnext) 4162 { 4163 wpnext = wp->w_next; 4164 if (wp->w_buffer->b_nwindows > 1 4165 #ifdef FEAT_VERTSPLIT 4166 || ((cmdmod.split & WSP_VERT) 4167 ? wp->w_height + wp->w_status_height < Rows - p_ch 4168 : wp->w_width != Columns) 4169 #endif 4170 ) 4171 { 4172 win_close(wp, FALSE); 4173 #ifdef FEAT_AUTOCMD 4174 wpnext = firstwin; /* just in case an autocommand does something 4175 strange with windows */ 4176 open_wins = 0; 4177 #endif 4178 } 4179 else 4180 ++open_wins; 4181 } 4182 4183 /* 4184 * Go through the buffer list. When a buffer doesn't have a window yet, 4185 * open one. Otherwise move the window to the right position. 4186 * Watch out for autocommands that delete buffers or windows! 4187 */ 4188 #ifdef FEAT_AUTOCMD 4189 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4190 ++autocmd_no_enter; 4191 #endif 4192 win_enter(lastwin, FALSE); 4193 #ifdef FEAT_AUTOCMD 4194 ++autocmd_no_leave; 4195 #endif 4196 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4197 { 4198 /* Check if this buffer needs a window */ 4199 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4200 continue; 4201 4202 /* Check if this buffer already has a window */ 4203 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4204 if (wp->w_buffer == buf) 4205 break; 4206 /* If the buffer already has a window, move it */ 4207 if (wp != NULL) 4208 win_move_after(wp, curwin); 4209 else if (split_ret == OK) 4210 { 4211 /* Split the window and put the buffer in it */ 4212 p_ea_save = p_ea; 4213 p_ea = TRUE; /* use space from all windows */ 4214 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4215 ++open_wins; 4216 p_ea = p_ea_save; 4217 if (split_ret == FAIL) 4218 continue; 4219 4220 /* Open the buffer in this window. */ 4221 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4222 swap_exists_action = SEA_DIALOG; 4223 #endif 4224 set_curbuf(buf, DOBUF_GOTO); 4225 #ifdef FEAT_AUTOCMD 4226 # ifdef FEAT_EVAL 4227 /* Autocommands deleted the buffer or aborted script 4228 * processing!!! */ 4229 if (!buf_valid(buf) || aborting()) 4230 # else 4231 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4232 # endif 4233 { 4234 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4235 swap_exists_action = SEA_NONE; 4236 #endif 4237 break; 4238 } 4239 #endif 4240 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4241 if (swap_exists_action == SEA_QUIT) 4242 { 4243 /* User selected Quit at ATTENTION prompt; close this window. */ 4244 win_close(curwin, TRUE); 4245 --open_wins; 4246 swap_exists_action = SEA_NONE; 4247 } 4248 else 4249 handle_swap_exists(NULL); 4250 #endif 4251 } 4252 4253 ui_breakcheck(); 4254 if (got_int) 4255 { 4256 (void)vgetc(); /* only break the file loading, not the rest */ 4257 break; 4258 } 4259 } 4260 #ifdef FEAT_AUTOCMD 4261 --autocmd_no_enter; 4262 #endif 4263 win_enter(firstwin, FALSE); /* back to first window */ 4264 #ifdef FEAT_AUTOCMD 4265 --autocmd_no_leave; 4266 #endif 4267 4268 /* 4269 * Close superfluous windows. 4270 */ 4271 for (wp = lastwin; open_wins > count; ) 4272 { 4273 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4274 || autowrite(wp->w_buffer, FALSE) == OK); 4275 #ifdef FEAT_AUTOCMD 4276 if (!win_valid(wp)) 4277 { 4278 /* BufWrite Autocommands made the window invalid, start over */ 4279 wp = lastwin; 4280 } 4281 else 4282 #endif 4283 if (r) 4284 { 4285 win_close(wp, !P_HID(wp->w_buffer)); 4286 --open_wins; 4287 wp = lastwin; 4288 } 4289 else 4290 { 4291 wp = wp->w_prev; 4292 if (wp == NULL) 4293 break; 4294 } 4295 } 4296 } 4297 # endif /* FEAT_LISTCMDS */ 4298 4299 #endif /* FEAT_WINDOWS */ 4300 4301 /* 4302 * do_modelines() - process mode lines for the current file 4303 * 4304 * Returns immediately if the "ml" option isn't set. 4305 */ 4306 static int chk_modeline __ARGS((linenr_T)); 4307 4308 void 4309 do_modelines() 4310 { 4311 linenr_T lnum; 4312 int nmlines; 4313 static int entered = 0; 4314 4315 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4316 return; 4317 4318 /* Disallow recursive entry here. Can happen when executing a modeline 4319 * triggers an autocommand, which reloads modelines with a ":do". */ 4320 if (entered) 4321 return; 4322 4323 ++entered; 4324 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4325 ++lnum) 4326 if (chk_modeline(lnum) == FAIL) 4327 nmlines = 0; 4328 4329 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4330 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4331 if (chk_modeline(lnum) == FAIL) 4332 nmlines = 0; 4333 --entered; 4334 } 4335 4336 #include "version.h" /* for version number */ 4337 4338 /* 4339 * chk_modeline() - check a single line for a mode string 4340 * Return FAIL if an error encountered. 4341 */ 4342 static int 4343 chk_modeline(lnum) 4344 linenr_T lnum; 4345 { 4346 char_u *s; 4347 char_u *e; 4348 char_u *linecopy; /* local copy of any modeline found */ 4349 int prev; 4350 int vers; 4351 int end; 4352 int retval = OK; 4353 char_u *save_sourcing_name; 4354 linenr_T save_sourcing_lnum; 4355 #ifdef FEAT_EVAL 4356 scid_T save_SID; 4357 #endif 4358 4359 prev = -1; 4360 for (s = ml_get(lnum); *s != NUL; ++s) 4361 { 4362 if (prev == -1 || vim_isspace(prev)) 4363 { 4364 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4365 || STRNCMP(s, "vi:", (size_t)3) == 0) 4366 break; 4367 if (STRNCMP(s, "vim", 3) == 0) 4368 { 4369 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4370 e = s + 4; 4371 else 4372 e = s + 3; 4373 vers = getdigits(&e); 4374 if (*e == ':' 4375 && (s[3] == ':' 4376 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4377 || (VIM_VERSION_100 < vers && s[3] == '<') 4378 || (VIM_VERSION_100 > vers && s[3] == '>') 4379 || (VIM_VERSION_100 == vers && s[3] == '='))) 4380 break; 4381 } 4382 } 4383 prev = *s; 4384 } 4385 4386 if (*s) 4387 { 4388 do /* skip over "ex:", "vi:" or "vim:" */ 4389 ++s; 4390 while (s[-1] != ':'); 4391 4392 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4393 if (linecopy == NULL) 4394 return FAIL; 4395 4396 save_sourcing_lnum = sourcing_lnum; 4397 save_sourcing_name = sourcing_name; 4398 sourcing_lnum = lnum; /* prepare for emsg() */ 4399 sourcing_name = (char_u *)"modelines"; 4400 4401 end = FALSE; 4402 while (end == FALSE) 4403 { 4404 s = skipwhite(s); 4405 if (*s == NUL) 4406 break; 4407 4408 /* 4409 * Find end of set command: ':' or end of line. 4410 * Skip over "\:", replacing it with ":". 4411 */ 4412 for (e = s; *e != ':' && *e != NUL; ++e) 4413 if (e[0] == '\\' && e[1] == ':') 4414 STRCPY(e, e + 1); 4415 if (*e == NUL) 4416 end = TRUE; 4417 4418 /* 4419 * If there is a "set" command, require a terminating ':' and 4420 * ignore the stuff after the ':'. 4421 * "vi:set opt opt opt: foo" -- foo not interpreted 4422 * "vi:opt opt opt: foo" -- foo interpreted 4423 * Accept "se" for compatibility with Elvis. 4424 */ 4425 if (STRNCMP(s, "set ", (size_t)4) == 0 4426 || STRNCMP(s, "se ", (size_t)3) == 0) 4427 { 4428 if (*e != ':') /* no terminating ':'? */ 4429 break; 4430 end = TRUE; 4431 s = vim_strchr(s, ' ') + 1; 4432 } 4433 *e = NUL; /* truncate the set command */ 4434 4435 if (*s != NUL) /* skip over an empty "::" */ 4436 { 4437 #ifdef FEAT_EVAL 4438 save_SID = current_SID; 4439 current_SID = SID_MODELINE; 4440 #endif 4441 retval = do_set(s, OPT_MODELINE | OPT_LOCAL); 4442 #ifdef FEAT_EVAL 4443 current_SID = save_SID; 4444 #endif 4445 if (retval == FAIL) /* stop if error found */ 4446 break; 4447 } 4448 s = e + 1; /* advance to next part */ 4449 } 4450 4451 sourcing_lnum = save_sourcing_lnum; 4452 sourcing_name = save_sourcing_name; 4453 4454 vim_free(linecopy); 4455 } 4456 return retval; 4457 } 4458 4459 #ifdef FEAT_VIMINFO 4460 int 4461 read_viminfo_bufferlist(virp, writing) 4462 vir_T *virp; 4463 int writing; 4464 { 4465 char_u *tab; 4466 linenr_T lnum; 4467 colnr_T col; 4468 buf_T *buf; 4469 char_u *sfname; 4470 char_u *xline; 4471 4472 /* Handle long line and escaped characters. */ 4473 xline = viminfo_readstring(virp, 1, FALSE); 4474 4475 /* don't read in if there are files on the command-line or if writing: */ 4476 if (xline != NULL && !writing && ARGCOUNT == 0 4477 && find_viminfo_parameter('%') != NULL) 4478 { 4479 /* Format is: <fname> Tab <lnum> Tab <col>. 4480 * Watch out for a Tab in the file name, work from the end. */ 4481 lnum = 0; 4482 col = 0; 4483 tab = vim_strrchr(xline, '\t'); 4484 if (tab != NULL) 4485 { 4486 *tab++ = '\0'; 4487 col = atoi((char *)tab); 4488 tab = vim_strrchr(xline, '\t'); 4489 if (tab != NULL) 4490 { 4491 *tab++ = '\0'; 4492 lnum = atol((char *)tab); 4493 } 4494 } 4495 4496 /* Expand "~/" in the file name at "line + 1" to a full path. 4497 * Then try shortening it by comparing with the current directory */ 4498 expand_env(xline, NameBuff, MAXPATHL); 4499 mch_dirname(IObuff, IOSIZE); 4500 sfname = shorten_fname(NameBuff, IObuff); 4501 if (sfname == NULL) 4502 sfname = NameBuff; 4503 4504 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4505 if (buf != NULL) /* just in case... */ 4506 { 4507 buf->b_last_cursor.lnum = lnum; 4508 buf->b_last_cursor.col = col; 4509 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4510 } 4511 } 4512 vim_free(xline); 4513 4514 return viminfo_readline(virp); 4515 } 4516 4517 void 4518 write_viminfo_bufferlist(fp) 4519 FILE *fp; 4520 { 4521 buf_T *buf; 4522 #ifdef FEAT_WINDOWS 4523 win_T *win; 4524 #endif 4525 char_u *line; 4526 4527 if (find_viminfo_parameter('%') == NULL) 4528 return; 4529 4530 /* Allocate room for the file name, lnum and col. */ 4531 line = alloc(MAXPATHL + 30); 4532 if (line == NULL) 4533 return; 4534 4535 #ifdef FEAT_WINDOWS 4536 for (win = firstwin; win != NULL; win = win->w_next) 4537 set_last_cursor(win); 4538 #else 4539 set_last_cursor(curwin); 4540 #endif 4541 4542 fprintf(fp, _("\n# Buffer list:\n")); 4543 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4544 { 4545 if (buf->b_fname == NULL 4546 || !buf->b_p_bl 4547 #ifdef FEAT_QUICKFIX 4548 || bt_quickfix(buf) 4549 #endif 4550 || removable(buf->b_ffname)) 4551 continue; 4552 4553 putc('%', fp); 4554 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4555 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4556 (long)buf->b_last_cursor.lnum, 4557 buf->b_last_cursor.col); 4558 viminfo_writestring(fp, line); 4559 } 4560 vim_free(line); 4561 } 4562 #endif 4563 4564 4565 /* 4566 * Return special buffer name. 4567 * Returns NULL when the buffer has a normal file name. 4568 */ 4569 char * 4570 buf_spname(buf) 4571 buf_T *buf; 4572 { 4573 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4574 if (bt_quickfix(buf)) 4575 return _("[Error List]"); 4576 #endif 4577 #ifdef FEAT_QUICKFIX 4578 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4579 * contains the name as specified by the user */ 4580 if (bt_nofile(buf)) 4581 { 4582 if (buf->b_sfname != NULL) 4583 return (char *)buf->b_sfname; 4584 return "[Scratch]"; 4585 } 4586 #endif 4587 if (buf->b_fname == NULL) 4588 return _("[No Name]"); 4589 return NULL; 4590 } 4591 4592 4593 #if defined(FEAT_SIGNS) || defined(PROTO) 4594 /* 4595 * Insert the sign into the signlist. 4596 */ 4597 static void 4598 insert_sign(buf, prev, next, id, lnum, typenr) 4599 buf_T *buf; /* buffer to store sign in */ 4600 signlist_T *prev; /* previous sign entry */ 4601 signlist_T *next; /* next sign entry */ 4602 int id; /* sign ID */ 4603 linenr_T lnum; /* line number which gets the mark */ 4604 int typenr; /* typenr of sign we are adding */ 4605 { 4606 signlist_T *newsign; 4607 4608 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4609 if (newsign != NULL) 4610 { 4611 newsign->id = id; 4612 newsign->lnum = lnum; 4613 newsign->typenr = typenr; 4614 newsign->next = next; 4615 #ifdef FEAT_NETBEANS_INTG 4616 newsign->prev = prev; 4617 if (next != NULL) 4618 next->prev = newsign; 4619 #endif 4620 4621 if (prev == NULL) 4622 { 4623 /* When adding first sign need to redraw the windows to create the 4624 * column for signs. */ 4625 if (buf->b_signlist == NULL) 4626 { 4627 redraw_buf_later(buf, NOT_VALID); 4628 changed_cline_bef_curs(); 4629 } 4630 4631 /* first sign in signlist */ 4632 buf->b_signlist = newsign; 4633 } 4634 else 4635 prev->next = newsign; 4636 } 4637 } 4638 4639 /* 4640 * Add the sign into the signlist. Find the right spot to do it though. 4641 */ 4642 void 4643 buf_addsign(buf, id, lnum, typenr) 4644 buf_T *buf; /* buffer to store sign in */ 4645 int id; /* sign ID */ 4646 linenr_T lnum; /* line number which gets the mark */ 4647 int typenr; /* typenr of sign we are adding */ 4648 { 4649 signlist_T *sign; /* a sign in the signlist */ 4650 signlist_T *prev; /* the previous sign */ 4651 4652 prev = NULL; 4653 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4654 { 4655 if (lnum == sign->lnum && id == sign->id) 4656 { 4657 sign->typenr = typenr; 4658 return; 4659 } 4660 else if ( 4661 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4662 id < 0 && 4663 #endif 4664 lnum < sign->lnum) 4665 { 4666 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4667 /* XXX - GRP: Is this because of sign slide problem? Or is it 4668 * really needed? Or is it because we allow multiple signs per 4669 * line? If so, should I add that feature to FEAT_SIGNS? 4670 */ 4671 while (prev != NULL && prev->lnum == lnum) 4672 prev = prev->prev; 4673 if (prev == NULL) 4674 sign = buf->b_signlist; 4675 else 4676 sign = prev->next; 4677 #endif 4678 insert_sign(buf, prev, sign, id, lnum, typenr); 4679 return; 4680 } 4681 prev = sign; 4682 } 4683 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4684 /* XXX - GRP: See previous comment */ 4685 while (prev != NULL && prev->lnum == lnum) 4686 prev = prev->prev; 4687 if (prev == NULL) 4688 sign = buf->b_signlist; 4689 else 4690 sign = prev->next; 4691 #endif 4692 insert_sign(buf, prev, sign, id, lnum, typenr); 4693 4694 return; 4695 } 4696 4697 int 4698 buf_change_sign_type(buf, markId, typenr) 4699 buf_T *buf; /* buffer to store sign in */ 4700 int markId; /* sign ID */ 4701 int typenr; /* typenr of sign we are adding */ 4702 { 4703 signlist_T *sign; /* a sign in the signlist */ 4704 4705 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4706 { 4707 if (sign->id == markId) 4708 { 4709 sign->typenr = typenr; 4710 return sign->lnum; 4711 } 4712 } 4713 4714 return 0; 4715 } 4716 4717 int_u 4718 buf_getsigntype(buf, lnum, type) 4719 buf_T *buf; 4720 linenr_T lnum; 4721 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4722 { 4723 signlist_T *sign; /* a sign in a b_signlist */ 4724 4725 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4726 if (sign->lnum == lnum 4727 && (type == SIGN_ANY 4728 # ifdef FEAT_SIGN_ICONS 4729 || (type == SIGN_ICON 4730 && sign_get_image(sign->typenr) != NULL) 4731 # endif 4732 || (type == SIGN_TEXT 4733 && sign_get_text(sign->typenr) != NULL) 4734 || (type == SIGN_LINEHL 4735 && sign_get_attr(sign->typenr, TRUE) != 0))) 4736 return sign->typenr; 4737 return 0; 4738 } 4739 4740 4741 linenr_T 4742 buf_delsign(buf, id) 4743 buf_T *buf; /* buffer sign is stored in */ 4744 int id; /* sign id */ 4745 { 4746 signlist_T **lastp; /* pointer to pointer to current sign */ 4747 signlist_T *sign; /* a sign in a b_signlist */ 4748 signlist_T *next; /* the next sign in a b_signlist */ 4749 linenr_T lnum; /* line number whose sign was deleted */ 4750 4751 lastp = &buf->b_signlist; 4752 lnum = 0; 4753 for (sign = buf->b_signlist; sign != NULL; sign = next) 4754 { 4755 next = sign->next; 4756 if (sign->id == id) 4757 { 4758 *lastp = next; 4759 #ifdef FEAT_NETBEANS_INTG 4760 if (next != NULL) 4761 next->prev = sign->prev; 4762 #endif 4763 lnum = sign->lnum; 4764 vim_free(sign); 4765 break; 4766 } 4767 else 4768 lastp = &sign->next; 4769 } 4770 4771 /* When deleted the last sign need to redraw the windows to remove the 4772 * sign column. */ 4773 if (buf->b_signlist == NULL) 4774 { 4775 redraw_buf_later(buf, NOT_VALID); 4776 changed_cline_bef_curs(); 4777 } 4778 4779 return lnum; 4780 } 4781 4782 4783 /* 4784 * Find the line number of the sign with the requested id. If the sign does 4785 * not exist, return 0 as the line number. This will still let the correct file 4786 * get loaded. 4787 */ 4788 int 4789 buf_findsign(buf, id) 4790 buf_T *buf; /* buffer to store sign in */ 4791 int id; /* sign ID */ 4792 { 4793 signlist_T *sign; /* a sign in the signlist */ 4794 4795 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4796 if (sign->id == id) 4797 return sign->lnum; 4798 4799 return 0; 4800 } 4801 4802 int 4803 buf_findsign_id(buf, lnum) 4804 buf_T *buf; /* buffer whose sign we are searching for */ 4805 linenr_T lnum; /* line number of sign */ 4806 { 4807 signlist_T *sign; /* a sign in the signlist */ 4808 4809 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4810 if (sign->lnum == lnum) 4811 return sign->id; 4812 4813 return 0; 4814 } 4815 4816 4817 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 4818 /* see if a given type of sign exists on a specific line */ 4819 int 4820 buf_findsigntype_id(buf, lnum, typenr) 4821 buf_T *buf; /* buffer whose sign we are searching for */ 4822 linenr_T lnum; /* line number of sign */ 4823 int typenr; /* sign type number */ 4824 { 4825 signlist_T *sign; /* a sign in the signlist */ 4826 4827 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4828 if (sign->lnum == lnum && sign->typenr == typenr) 4829 return sign->id; 4830 4831 return 0; 4832 } 4833 4834 4835 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 4836 /* return the number of icons on the given line */ 4837 int 4838 buf_signcount(buf, lnum) 4839 buf_T *buf; 4840 linenr_T lnum; 4841 { 4842 signlist_T *sign; /* a sign in the signlist */ 4843 int count = 0; 4844 4845 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4846 if (sign->lnum == lnum) 4847 if (sign_get_image(sign->typenr) != NULL) 4848 count++; 4849 4850 return count; 4851 } 4852 # endif /* FEAT_SIGN_ICONS */ 4853 # endif /* FEAT_NETBEANS_INTG */ 4854 4855 4856 /* 4857 * Delete signs in buffer "buf". 4858 */ 4859 static void 4860 buf_delete_signs(buf) 4861 buf_T *buf; 4862 { 4863 signlist_T *next; 4864 4865 while (buf->b_signlist != NULL) 4866 { 4867 next = buf->b_signlist->next; 4868 vim_free(buf->b_signlist); 4869 buf->b_signlist = next; 4870 } 4871 } 4872 4873 /* 4874 * Delete all signs in all buffers. 4875 */ 4876 void 4877 buf_delete_all_signs() 4878 { 4879 buf_T *buf; /* buffer we are checking for signs */ 4880 4881 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 4882 if (buf->b_signlist != NULL) 4883 { 4884 /* Need to redraw the windows to remove the sign column. */ 4885 redraw_buf_later(buf, NOT_VALID); 4886 buf_delete_signs(buf); 4887 } 4888 } 4889 4890 /* 4891 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 4892 */ 4893 void 4894 sign_list_placed(rbuf) 4895 buf_T *rbuf; 4896 { 4897 buf_T *buf; 4898 signlist_T *p; 4899 char lbuf[BUFSIZ]; 4900 4901 MSG_PUTS_TITLE(_("\n--- Signs ---")); 4902 msg_putchar('\n'); 4903 if (rbuf == NULL) 4904 buf = firstbuf; 4905 else 4906 buf = rbuf; 4907 while (buf != NULL) 4908 { 4909 if (buf->b_signlist != NULL) 4910 { 4911 #ifdef HAVE_SNPRINTF 4912 snprintf 4913 #else 4914 sprintf 4915 #endif 4916 (lbuf, 4917 #ifdef HAVE_SNPRINTF 4918 BUFSIZ, 4919 #endif 4920 _("Signs for %s:"), buf->b_fname); 4921 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 4922 msg_putchar('\n'); 4923 } 4924 for (p = buf->b_signlist; p != NULL; p = p->next) 4925 { 4926 sprintf(lbuf, _(" line=%ld id=%d name=%s"), 4927 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 4928 MSG_PUTS(lbuf); 4929 msg_putchar('\n'); 4930 } 4931 if (rbuf != NULL) 4932 break; 4933 buf = buf->b_next; 4934 } 4935 } 4936 4937 /* 4938 * Adjust a placed sign for inserted/deleted lines. 4939 */ 4940 void 4941 sign_mark_adjust(line1, line2, amount, amount_after) 4942 linenr_T line1; 4943 linenr_T line2; 4944 long amount; 4945 long amount_after; 4946 { 4947 signlist_T *sign; /* a sign in a b_signlist */ 4948 4949 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 4950 { 4951 if (sign->lnum >= line1 && sign->lnum <= line2) 4952 { 4953 if (amount == MAXLNUM) 4954 sign->lnum = line1; 4955 else 4956 sign->lnum += amount; 4957 } 4958 else if (sign->lnum > line2) 4959 sign->lnum += amount_after; 4960 } 4961 } 4962 #endif /* FEAT_SIGNS */ 4963 4964 /* 4965 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 4966 */ 4967 void 4968 set_buflisted(on) 4969 int on; 4970 { 4971 if (on != curbuf->b_p_bl) 4972 { 4973 curbuf->b_p_bl = on; 4974 #ifdef FEAT_AUTOCMD 4975 if (on) 4976 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 4977 else 4978 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 4979 #endif 4980 } 4981 } 4982 4983 /* 4984 * Read the file for "buf" again and check if the contents changed. 4985 * Return TRUE if it changed or this could not be checked. 4986 */ 4987 int 4988 buf_contents_changed(buf) 4989 buf_T *buf; 4990 { 4991 buf_T *newbuf; 4992 int differ = TRUE; 4993 linenr_T lnum; 4994 #ifdef FEAT_AUTOCMD 4995 aco_save_T aco; 4996 #else 4997 buf_T *old_curbuf = curbuf; 4998 #endif 4999 exarg_T ea; 5000 5001 /* Allocate a buffer without putting it in the buffer list. */ 5002 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5003 if (newbuf == NULL) 5004 return TRUE; 5005 5006 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5007 if (prep_exarg(&ea, buf) == FAIL) 5008 { 5009 wipe_buffer(newbuf, FALSE); 5010 return TRUE; 5011 } 5012 5013 #ifdef FEAT_AUTOCMD 5014 /* set curwin/curbuf to buf and save a few things */ 5015 aucmd_prepbuf(&aco, newbuf); 5016 #else 5017 curbuf = newbuf; 5018 curwin->w_buffer = newbuf; 5019 #endif 5020 5021 if (ml_open() == OK 5022 && readfile(buf->b_ffname, buf->b_fname, 5023 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5024 &ea, READ_NEW | READ_DUMMY) == OK) 5025 { 5026 /* compare the two files line by line */ 5027 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5028 { 5029 differ = FALSE; 5030 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5031 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5032 { 5033 differ = TRUE; 5034 break; 5035 } 5036 } 5037 } 5038 vim_free(ea.cmd); 5039 5040 #ifdef FEAT_AUTOCMD 5041 /* restore curwin/curbuf and a few other things */ 5042 aucmd_restbuf(&aco); 5043 #else 5044 curbuf = old_curbuf; 5045 curwin->w_buffer = old_curbuf; 5046 #endif 5047 5048 if (curbuf != newbuf) /* safety check */ 5049 wipe_buffer(newbuf, FALSE); 5050 5051 return differ; 5052 } 5053 5054 /* 5055 * Wipe out a buffer and decrement the last buffer number if it was used for 5056 * this buffer. Call this to wipe out a temp buffer that does not contain any 5057 * marks. 5058 */ 5059 /*ARGSUSED*/ 5060 void 5061 wipe_buffer(buf, aucmd) 5062 buf_T *buf; 5063 int aucmd; /* When TRUE trigger autocommands. */ 5064 { 5065 if (buf->b_fnum == top_file_num - 1) 5066 --top_file_num; 5067 5068 #ifdef FEAT_AUTOCMD 5069 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5070 ++autocmd_block; 5071 #endif 5072 close_buffer(NULL, buf, DOBUF_WIPE); 5073 #ifdef FEAT_AUTOCMD 5074 if (!aucmd) 5075 --autocmd_block; 5076 #endif 5077 } 5078