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_MZSCHEME 579 mzscheme_buffer_free(buf); 580 #endif 581 #ifdef FEAT_PERL 582 perl_buf_free(buf); 583 #endif 584 #ifdef FEAT_PYTHON 585 python_buffer_free(buf); 586 #endif 587 #ifdef FEAT_RUBY 588 ruby_buffer_free(buf); 589 #endif 590 vim_free(buf); 591 } 592 593 /* 594 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 595 */ 596 static void 597 free_buffer_stuff(buf, free_options) 598 buf_T *buf; 599 int free_options; /* free options as well */ 600 { 601 if (free_options) 602 { 603 clear_wininfo(buf); /* including window-local options */ 604 free_buf_options(buf, TRUE); 605 } 606 #ifdef FEAT_EVAL 607 var_clear(&buf->b_vars); /* free all internal variables */ 608 #endif 609 #ifdef FEAT_USR_CMDS 610 uc_clear(&buf->b_ucmds); /* clear local user commands */ 611 #endif 612 #ifdef FEAT_SIGNS 613 buf_delete_signs(buf); /* delete any signs */ 614 #endif 615 #ifdef FEAT_LOCALMAP 616 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 617 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 618 #endif 619 #ifdef FEAT_MBYTE 620 vim_free(buf->b_start_fenc); 621 buf->b_start_fenc = NULL; 622 #endif 623 } 624 625 /* 626 * Free the b_wininfo list for buffer "buf". 627 */ 628 static void 629 clear_wininfo(buf) 630 buf_T *buf; 631 { 632 wininfo_T *wip; 633 634 while (buf->b_wininfo != NULL) 635 { 636 wip = buf->b_wininfo; 637 buf->b_wininfo = wip->wi_next; 638 if (wip->wi_optset) 639 { 640 clear_winopt(&wip->wi_opt); 641 #ifdef FEAT_FOLDING 642 deleteFoldRecurse(&wip->wi_folds); 643 #endif 644 } 645 vim_free(wip); 646 } 647 } 648 649 #if defined(FEAT_LISTCMDS) || defined(PROTO) 650 /* 651 * Go to another buffer. Handles the result of the ATTENTION dialog. 652 */ 653 void 654 goto_buffer(eap, start, dir, count) 655 exarg_T *eap; 656 int start; 657 int dir; 658 int count; 659 { 660 # if defined(FEAT_WINDOWS) \ 661 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 662 buf_T *old_curbuf = curbuf; 663 664 swap_exists_action = SEA_DIALOG; 665 # endif 666 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 667 start, dir, count, eap->forceit); 668 # if defined(FEAT_WINDOWS) \ 669 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 670 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 671 { 672 /* Quitting means closing the split window, nothing else. */ 673 win_close(curwin, TRUE); 674 swap_exists_action = SEA_NONE; 675 } 676 else 677 handle_swap_exists(old_curbuf); 678 # endif 679 } 680 #endif 681 682 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) 683 /* 684 * Handle the situation of swap_exists_action being set. 685 * It is allowed for "old_curbuf" to be NULL or invalid. 686 */ 687 void 688 handle_swap_exists(old_curbuf) 689 buf_T *old_curbuf; 690 { 691 if (swap_exists_action == SEA_QUIT) 692 { 693 /* User selected Quit at ATTENTION prompt. Go back to previous 694 * buffer. If that buffer is gone or the same as the current one, 695 * open a new, empty buffer. */ 696 swap_exists_action = SEA_NONE; /* don't want it again */ 697 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 698 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 699 old_curbuf = buflist_new(NULL, NULL, 1L, 700 BLN_CURBUF | BLN_LISTED | BLN_FORCE); 701 if (old_curbuf != NULL) 702 enter_buffer(old_curbuf); 703 /* If "old_curbuf" is NULL we are in big trouble here... */ 704 } 705 else if (swap_exists_action == SEA_RECOVER) 706 { 707 /* User selected Recover at ATTENTION prompt. */ 708 msg_scroll = TRUE; 709 ml_recover(); 710 MSG_PUTS("\n"); /* don't overwrite the last message */ 711 cmdline_row = msg_row; 712 do_modelines(); 713 } 714 swap_exists_action = SEA_NONE; 715 } 716 #endif 717 718 #if defined(FEAT_LISTCMDS) || defined(PROTO) 719 /* 720 * do_bufdel() - delete or unload buffer(s) 721 * 722 * addr_count == 0: ":bdel" - delete current buffer 723 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 724 * buffer "end_bnr", then any other arguments. 725 * addr_count == 2: ":N,N bdel" - delete buffers in range 726 * 727 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 728 * DOBUF_DEL (":bdel") 729 * 730 * Returns error message or NULL 731 */ 732 char_u * 733 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 734 int command; 735 char_u *arg; /* pointer to extra arguments */ 736 int addr_count; 737 int start_bnr; /* first buffer number in a range */ 738 int end_bnr; /* buffer nr or last buffer nr in a range */ 739 int forceit; 740 { 741 int do_current = 0; /* delete current buffer? */ 742 int deleted = 0; /* number of buffers deleted */ 743 char_u *errormsg = NULL; /* return value */ 744 int bnr; /* buffer number */ 745 char_u *p; 746 747 #ifdef FEAT_NETBEANS_INTG 748 netbeansCloseFile = 1; 749 #endif 750 if (addr_count == 0) 751 { 752 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 753 } 754 else 755 { 756 if (addr_count == 2) 757 { 758 if (*arg) /* both range and argument is not allowed */ 759 return (char_u *)_(e_trailing); 760 bnr = start_bnr; 761 } 762 else /* addr_count == 1 */ 763 bnr = end_bnr; 764 765 for ( ;!got_int; ui_breakcheck()) 766 { 767 /* 768 * delete the current buffer last, otherwise when the 769 * current buffer is deleted, the next buffer becomes 770 * the current one and will be loaded, which may then 771 * also be deleted, etc. 772 */ 773 if (bnr == curbuf->b_fnum) 774 do_current = bnr; 775 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 776 forceit) == OK) 777 ++deleted; 778 779 /* 780 * find next buffer number to delete/unload 781 */ 782 if (addr_count == 2) 783 { 784 if (++bnr > end_bnr) 785 break; 786 } 787 else /* addr_count == 1 */ 788 { 789 arg = skipwhite(arg); 790 if (*arg == NUL) 791 break; 792 if (!VIM_ISDIGIT(*arg)) 793 { 794 p = skiptowhite_esc(arg); 795 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 796 if (bnr < 0) /* failed */ 797 break; 798 arg = p; 799 } 800 else 801 bnr = getdigits(&arg); 802 } 803 } 804 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 805 FORWARD, do_current, forceit) == OK) 806 ++deleted; 807 808 if (deleted == 0) 809 { 810 if (command == DOBUF_UNLOAD) 811 sprintf((char *)IObuff, _("E515: No buffers were unloaded")); 812 else if (command == DOBUF_DEL) 813 sprintf((char *)IObuff, _("E516: No buffers were deleted")); 814 else 815 sprintf((char *)IObuff, _("E517: No buffers were wiped out")); 816 errormsg = IObuff; 817 } 818 else if (deleted >= p_report) 819 { 820 if (command == DOBUF_UNLOAD) 821 { 822 if (deleted == 1) 823 MSG(_("1 buffer unloaded")); 824 else 825 smsg((char_u *)_("%d buffers unloaded"), deleted); 826 } 827 else if (command == DOBUF_DEL) 828 { 829 if (deleted == 1) 830 MSG(_("1 buffer deleted")); 831 else 832 smsg((char_u *)_("%d buffers deleted"), deleted); 833 } 834 else 835 { 836 if (deleted == 1) 837 MSG(_("1 buffer wiped out")); 838 else 839 smsg((char_u *)_("%d buffers wiped out"), deleted); 840 } 841 } 842 } 843 844 #ifdef FEAT_NETBEANS_INTG 845 netbeansCloseFile = 0; 846 #endif 847 848 return errormsg; 849 } 850 851 /* 852 * Implementation of the commands for the buffer list. 853 * 854 * action == DOBUF_GOTO go to specified buffer 855 * action == DOBUF_SPLIT split window and go to specified buffer 856 * action == DOBUF_UNLOAD unload specified buffer(s) 857 * action == DOBUF_DEL delete specified buffer(s) from buffer list 858 * action == DOBUF_WIPE delete specified buffer(s) really 859 * 860 * start == DOBUF_CURRENT go to "count" buffer from current buffer 861 * start == DOBUF_FIRST go to "count" buffer from first buffer 862 * start == DOBUF_LAST go to "count" buffer from last buffer 863 * start == DOBUF_MOD go to "count" modified buffer from current buffer 864 * 865 * Return FAIL or OK. 866 */ 867 int 868 do_buffer(action, start, dir, count, forceit) 869 int action; 870 int start; 871 int dir; /* FORWARD or BACKWARD */ 872 int count; /* buffer number or number of buffers */ 873 int forceit; /* TRUE for :...! */ 874 { 875 buf_T *buf; 876 buf_T *bp; 877 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 878 || action == DOBUF_WIPE); 879 880 switch (start) 881 { 882 case DOBUF_FIRST: buf = firstbuf; break; 883 case DOBUF_LAST: buf = lastbuf; break; 884 default: buf = curbuf; break; 885 } 886 if (start == DOBUF_MOD) /* find next modified buffer */ 887 { 888 while (count-- > 0) 889 { 890 do 891 { 892 buf = buf->b_next; 893 if (buf == NULL) 894 buf = firstbuf; 895 } 896 while (buf != curbuf && !bufIsChanged(buf)); 897 } 898 if (!bufIsChanged(buf)) 899 { 900 EMSG(_("E84: No modified buffer found")); 901 return FAIL; 902 } 903 } 904 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 905 { 906 while (buf != NULL && buf->b_fnum != count) 907 buf = buf->b_next; 908 } 909 else 910 { 911 bp = NULL; 912 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 913 { 914 /* remember the buffer where we start, we come back there when all 915 * buffers are unlisted. */ 916 if (bp == NULL) 917 bp = buf; 918 if (dir == FORWARD) 919 { 920 buf = buf->b_next; 921 if (buf == NULL) 922 buf = firstbuf; 923 } 924 else 925 { 926 buf = buf->b_prev; 927 if (buf == NULL) 928 buf = lastbuf; 929 } 930 /* don't count unlisted buffers */ 931 if (unload || buf->b_p_bl) 932 { 933 --count; 934 bp = NULL; /* use this buffer as new starting point */ 935 } 936 if (bp == buf) 937 { 938 /* back where we started, didn't find anything. */ 939 EMSG(_("E85: There is no listed buffer")); 940 return FAIL; 941 } 942 } 943 } 944 945 if (buf == NULL) /* could not find it */ 946 { 947 if (start == DOBUF_FIRST) 948 { 949 /* don't warn when deleting */ 950 if (!unload) 951 EMSGN(_("E86: Buffer %ld does not exist"), count); 952 } 953 else if (dir == FORWARD) 954 EMSG(_("E87: Cannot go beyond last buffer")); 955 else 956 EMSG(_("E88: Cannot go before first buffer")); 957 return FAIL; 958 } 959 960 #ifdef FEAT_GUI 961 need_mouse_correct = TRUE; 962 #endif 963 964 #ifdef FEAT_LISTCMDS 965 /* 966 * delete buffer buf from memory and/or the list 967 */ 968 if (unload) 969 { 970 int forward; 971 int retval; 972 973 /* When unloading or deleting a buffer that's already unloaded and 974 * unlisted: fail silently. */ 975 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 976 return FAIL; 977 978 if (!forceit && bufIsChanged(buf)) 979 { 980 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 981 if ((p_confirm || cmdmod.confirm) && p_write) 982 { 983 dialog_changed(buf, FALSE); 984 # ifdef FEAT_AUTOCMD 985 if (!buf_valid(buf)) 986 /* Autocommand deleted buffer, oops! It's not changed 987 * now. */ 988 return FAIL; 989 # endif 990 } 991 if (bufIsChanged(buf)) 992 #endif 993 { 994 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 995 buf->b_fnum); 996 return FAIL; 997 } 998 } 999 1000 /* 1001 * If deleting the last (listed) buffer, make it empty. 1002 * The last (listed) buffer cannot be unloaded. 1003 */ 1004 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1005 if (bp->b_p_bl && bp != buf) 1006 break; 1007 if (bp == NULL && buf == curbuf) 1008 { 1009 if (action == DOBUF_UNLOAD) 1010 { 1011 EMSG(_("E90: Cannot unload last buffer")); 1012 return FAIL; 1013 } 1014 1015 /* Close any other windows on this buffer, then make it empty. */ 1016 #ifdef FEAT_WINDOWS 1017 { 1018 win_T *wp, *nextwp; 1019 1020 for (wp = firstwin; wp != NULL; wp = nextwp) 1021 { 1022 nextwp = wp->w_next; 1023 if (wp != curwin && wp->w_buffer == buf) 1024 { 1025 /* Start all over, autocommands may change the window 1026 * layout. */ 1027 nextwp = firstwin; 1028 win_close(wp, FALSE); 1029 } 1030 } 1031 } 1032 #endif 1033 setpcmark(); 1034 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1035 forceit ? ECMD_FORCEIT : 0); 1036 1037 /* 1038 * do_ecmd() may create a new buffer, then we have to delete 1039 * the old one. But do_ecmd() may have done that already, check 1040 * if the buffer still exists. 1041 */ 1042 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1043 close_buffer(NULL, buf, action); 1044 return retval; 1045 } 1046 1047 #ifdef FEAT_WINDOWS 1048 /* 1049 * If the deleted buffer is the current one, close the current window 1050 * (unless it's the only window). 1051 */ 1052 while (buf == curbuf && firstwin != lastwin) 1053 win_close(curwin, FALSE); 1054 #endif 1055 1056 /* 1057 * If the buffer to be deleted is not the current one, delete it here. 1058 */ 1059 if (buf != curbuf) 1060 { 1061 #ifdef FEAT_WINDOWS 1062 close_windows(buf); 1063 #endif 1064 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1065 close_buffer(NULL, buf, action); 1066 return OK; 1067 } 1068 1069 /* 1070 * Deleting the current buffer: Need to find another buffer to go to. 1071 * There must be another, otherwise it would have been handled above. 1072 * First use au_new_curbuf, if it is valid. 1073 * Then prefer the buffer we most recently visited. 1074 * Else try to find one that is loaded, after the current buffer, 1075 * then before the current buffer. 1076 * Finally use any buffer. 1077 */ 1078 buf = NULL; /* selected buffer */ 1079 bp = NULL; /* used when no loaded buffer found */ 1080 #ifdef FEAT_AUTOCMD 1081 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1082 buf = au_new_curbuf; 1083 # ifdef FEAT_JUMPLIST 1084 else 1085 # endif 1086 #endif 1087 #ifdef FEAT_JUMPLIST 1088 if (curwin->w_jumplistlen > 0) 1089 { 1090 int jumpidx; 1091 1092 jumpidx = curwin->w_jumplistidx - 1; 1093 if (jumpidx < 0) 1094 jumpidx = curwin->w_jumplistlen - 1; 1095 1096 forward = jumpidx; 1097 while (jumpidx != curwin->w_jumplistidx) 1098 { 1099 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1100 if (buf != NULL) 1101 { 1102 if (buf == curbuf || !buf->b_p_bl) 1103 buf = NULL; /* skip current and unlisted bufs */ 1104 else if (buf->b_ml.ml_mfp == NULL) 1105 { 1106 /* skip unloaded buf, but may keep it for later */ 1107 if (bp == NULL) 1108 bp = buf; 1109 buf = NULL; 1110 } 1111 } 1112 if (buf != NULL) /* found a valid buffer: stop searching */ 1113 break; 1114 /* advance to older entry in jump list */ 1115 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1116 break; 1117 if (--jumpidx < 0) 1118 jumpidx = curwin->w_jumplistlen - 1; 1119 if (jumpidx == forward) /* List exhausted for sure */ 1120 break; 1121 } 1122 } 1123 #endif 1124 1125 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1126 { 1127 forward = TRUE; 1128 buf = curbuf->b_next; 1129 for (;;) 1130 { 1131 if (buf == NULL) 1132 { 1133 if (!forward) /* tried both directions */ 1134 break; 1135 buf = curbuf->b_prev; 1136 forward = FALSE; 1137 continue; 1138 } 1139 /* in non-help buffer, try to skip help buffers, and vv */ 1140 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1141 { 1142 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1143 break; 1144 if (bp == NULL) /* remember unloaded buf for later */ 1145 bp = buf; 1146 } 1147 if (forward) 1148 buf = buf->b_next; 1149 else 1150 buf = buf->b_prev; 1151 } 1152 } 1153 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1154 buf = bp; 1155 if (buf == NULL) /* No loaded buffer, find listed one */ 1156 { 1157 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1158 if (buf->b_p_bl && buf != curbuf) 1159 break; 1160 } 1161 if (buf == NULL) /* Still no buffer, just take one */ 1162 { 1163 if (curbuf->b_next != NULL) 1164 buf = curbuf->b_next; 1165 else 1166 buf = curbuf->b_prev; 1167 } 1168 } 1169 1170 /* 1171 * make buf current buffer 1172 */ 1173 if (action == DOBUF_SPLIT) /* split window first */ 1174 { 1175 # ifdef FEAT_WINDOWS 1176 /* jump to first window containing buf if one exists ("useopen") */ 1177 if (vim_strchr(p_swb, 'u') && buf_jump_open_win(buf)) 1178 return OK; 1179 if (win_split(0, 0) == FAIL) 1180 # endif 1181 return FAIL; 1182 } 1183 #endif 1184 1185 /* go to current buffer - nothing to do */ 1186 if (buf == curbuf) 1187 return OK; 1188 1189 /* 1190 * Check if the current buffer may be abandoned. 1191 */ 1192 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1193 { 1194 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1195 if ((p_confirm || cmdmod.confirm) && p_write) 1196 { 1197 dialog_changed(curbuf, FALSE); 1198 # ifdef FEAT_AUTOCMD 1199 if (!buf_valid(buf)) 1200 /* Autocommand deleted buffer, oops! */ 1201 return FAIL; 1202 # endif 1203 } 1204 if (bufIsChanged(curbuf)) 1205 #endif 1206 { 1207 EMSG(_(e_nowrtmsg)); 1208 return FAIL; 1209 } 1210 } 1211 1212 /* Go to the other buffer. */ 1213 set_curbuf(buf, action); 1214 1215 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1216 if (action == DOBUF_SPLIT) 1217 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1218 #endif 1219 1220 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1221 if (aborting()) /* autocmds may abort script processing */ 1222 return FAIL; 1223 #endif 1224 1225 return OK; 1226 } 1227 1228 #endif /* FEAT_LISTCMDS */ 1229 1230 /* 1231 * Set current buffer to "buf". Executes autocommands and closes current 1232 * buffer. "action" tells how to close the current buffer: 1233 * DOBUF_GOTO free or hide it 1234 * DOBUF_SPLIT nothing 1235 * DOBUF_UNLOAD unload it 1236 * DOBUF_DEL delete it 1237 * DOBUF_WIPE wipe it out 1238 */ 1239 void 1240 set_curbuf(buf, action) 1241 buf_T *buf; 1242 int action; 1243 { 1244 buf_T *prevbuf; 1245 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1246 || action == DOBUF_WIPE); 1247 1248 setpcmark(); 1249 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1250 buflist_altfpos(); /* remember curpos */ 1251 1252 #ifdef FEAT_VISUAL 1253 /* Don't restart Select mode after switching to another buffer. */ 1254 VIsual_reselect = FALSE; 1255 #endif 1256 1257 /* close_windows() or apply_autocmds() may change curbuf */ 1258 prevbuf = curbuf; 1259 1260 #ifdef FEAT_AUTOCMD 1261 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1262 # ifdef FEAT_EVAL 1263 if (buf_valid(prevbuf) && !aborting()) 1264 # else 1265 if (buf_valid(prevbuf)) 1266 # endif 1267 #endif 1268 { 1269 #ifdef FEAT_WINDOWS 1270 if (unload) 1271 close_windows(prevbuf); 1272 #endif 1273 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1274 if (buf_valid(prevbuf) && !aborting()) 1275 #else 1276 if (buf_valid(prevbuf)) 1277 #endif 1278 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1279 unload ? action : (action == DOBUF_GOTO 1280 && !P_HID(prevbuf) 1281 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1282 } 1283 #ifdef FEAT_AUTOCMD 1284 # ifdef FEAT_EVAL 1285 /* An autocommand may have deleted buf or aborted the script processing! */ 1286 if (buf_valid(buf) && !aborting()) 1287 # else 1288 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1289 # endif 1290 #endif 1291 enter_buffer(buf); 1292 } 1293 1294 /* 1295 * Enter a new current buffer. 1296 * Old curbuf must have been abandoned already! 1297 */ 1298 void 1299 enter_buffer(buf) 1300 buf_T *buf; 1301 { 1302 /* Copy buffer and window local option values. Not for a help buffer. */ 1303 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1304 if (!buf->b_help) 1305 get_winopts(buf); 1306 #ifdef FEAT_FOLDING 1307 else 1308 /* Remove all folds in the window. */ 1309 clearFolding(curwin); 1310 foldUpdateAll(curwin); /* update folds (later). */ 1311 #endif 1312 1313 /* Get the buffer in the current window. */ 1314 curwin->w_buffer = buf; 1315 curbuf = buf; 1316 ++curbuf->b_nwindows; 1317 1318 #ifdef FEAT_DIFF 1319 diff_new_buffer(); 1320 #endif 1321 1322 /* Cursor on first line by default. */ 1323 curwin->w_cursor.lnum = 1; 1324 curwin->w_cursor.col = 0; 1325 #ifdef FEAT_VIRTUALEDIT 1326 curwin->w_cursor.coladd = 0; 1327 #endif 1328 curwin->w_set_curswant = TRUE; 1329 1330 /* Make sure the buffer is loaded. */ 1331 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1332 open_buffer(FALSE, NULL); 1333 else 1334 { 1335 need_fileinfo = TRUE; /* display file info after redraw */ 1336 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1337 #ifdef FEAT_AUTOCMD 1338 curwin->w_topline = 1; 1339 # ifdef FEAT_DIFF 1340 curwin->w_topfill = 0; 1341 # endif 1342 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1343 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1344 #endif 1345 } 1346 1347 /* If autocommands did not change the cursor position, restore cursor lnum 1348 * and possibly cursor col. */ 1349 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1350 buflist_getfpos(); 1351 1352 check_arg_idx(curwin); /* check for valid arg_idx */ 1353 #ifdef FEAT_TITLE 1354 maketitle(); 1355 #endif 1356 #ifdef FEAT_AUTOCMD 1357 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1358 #endif 1359 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1360 1361 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1362 /* Change directories when the acd option is set on. */ 1363 if (p_acd && curbuf->b_ffname != NULL 1364 && vim_chdirfile(curbuf->b_ffname) == OK) 1365 shorten_fnames(TRUE); 1366 #endif 1367 1368 #ifdef FEAT_KEYMAP 1369 if (curbuf->b_kmap_state & KEYMAP_INIT) 1370 keymap_init(); 1371 #endif 1372 redraw_later(NOT_VALID); 1373 } 1374 1375 /* 1376 * functions for dealing with the buffer list 1377 */ 1378 1379 /* 1380 * Add a file name to the buffer list. Return a pointer to the buffer. 1381 * If the same file name already exists return a pointer to that buffer. 1382 * If it does not exist, or if fname == NULL, a new entry is created. 1383 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1384 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1385 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1386 * If (flags & BLN_FORCE) is TRUE, don't abort on an error. 1387 * This is the ONLY way to create a new buffer. 1388 */ 1389 static int top_file_num = 1; /* highest file number */ 1390 1391 buf_T * 1392 buflist_new(ffname, sfname, lnum, flags) 1393 char_u *ffname; /* full path of fname or relative */ 1394 char_u *sfname; /* short fname or NULL */ 1395 linenr_T lnum; /* preferred cursor line */ 1396 int flags; /* BLN_ defines */ 1397 { 1398 buf_T *buf; 1399 #ifdef UNIX 1400 struct stat st; 1401 #endif 1402 1403 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1404 1405 /* 1406 * If file name already exists in the list, update the entry. 1407 */ 1408 #ifdef UNIX 1409 /* On Unix we can use inode numbers when the file exists. Works better 1410 * for hard links. */ 1411 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1412 st.st_dev = (dev_T)-1; 1413 #endif 1414 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1415 #ifdef UNIX 1416 buflist_findname_stat(ffname, &st) 1417 #else 1418 buflist_findname(ffname) 1419 #endif 1420 ) != NULL) 1421 { 1422 vim_free(ffname); 1423 if (lnum != 0) 1424 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1425 /* copy the options now, if 'cpo' doesn't have 's' and not done 1426 * already */ 1427 buf_copy_options(buf, 0); 1428 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1429 { 1430 buf->b_p_bl = TRUE; 1431 #ifdef FEAT_AUTOCMD 1432 if (!(flags & BLN_DUMMY)) 1433 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1434 #endif 1435 } 1436 return buf; 1437 } 1438 1439 /* 1440 * If the current buffer has no name and no contents, use the current 1441 * buffer. Otherwise: Need to allocate a new buffer structure. 1442 * 1443 * This is the ONLY place where a new buffer structure is allocated! 1444 */ 1445 buf = NULL; 1446 if ((flags & BLN_CURBUF) 1447 && curbuf != NULL 1448 && curbuf->b_ffname == NULL 1449 && curbuf->b_nwindows <= 1 1450 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1451 { 1452 buf = curbuf; 1453 #ifdef FEAT_AUTOCMD 1454 /* It's like this buffer is deleted. Watch out for autocommands that 1455 * change curbuf! If that happens, allocate a new buffer anyway. */ 1456 if (curbuf->b_p_bl) 1457 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1458 if (buf == curbuf) 1459 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1460 # ifdef FEAT_EVAL 1461 /* autocmds may abort script processing */ 1462 if (!(flags & BLN_FORCE) && aborting()) 1463 return NULL; 1464 # endif 1465 #endif 1466 #ifdef FEAT_QUICKFIX 1467 # ifdef FEAT_AUTOCMD 1468 if (buf == curbuf) 1469 # endif 1470 { 1471 /* Make sure 'bufhidden' and 'buftype' are empty */ 1472 clear_string_option(&buf->b_p_bh); 1473 clear_string_option(&buf->b_p_bt); 1474 } 1475 #endif 1476 } 1477 if (buf != curbuf || curbuf == NULL) 1478 { 1479 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1480 if (buf == NULL) 1481 { 1482 vim_free(ffname); 1483 return NULL; 1484 } 1485 } 1486 1487 if (ffname != NULL) 1488 { 1489 buf->b_ffname = ffname; 1490 buf->b_sfname = vim_strsave(sfname); 1491 } 1492 1493 clear_wininfo(buf); 1494 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1495 1496 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1497 || buf->b_wininfo == NULL) 1498 { 1499 vim_free(buf->b_ffname); 1500 buf->b_ffname = NULL; 1501 vim_free(buf->b_sfname); 1502 buf->b_sfname = NULL; 1503 if (buf != curbuf) 1504 free_buffer(buf); 1505 return NULL; 1506 } 1507 1508 if (buf == curbuf) 1509 { 1510 /* free all things allocated for this buffer */ 1511 buf_freeall(buf, FALSE, FALSE); 1512 if (buf != curbuf) /* autocommands deleted the buffer! */ 1513 return NULL; 1514 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1515 /* autocmds may abort script processing */ 1516 if (!(flags & BLN_FORCE) && aborting()) 1517 return NULL; 1518 #endif 1519 /* buf->b_nwindows = 0; why was this here? */ 1520 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1521 #ifdef FEAT_KEYMAP 1522 /* need to reload lmaps and set b:keymap_name */ 1523 curbuf->b_kmap_state |= KEYMAP_INIT; 1524 #endif 1525 } 1526 else 1527 { 1528 /* 1529 * put new buffer at the end of the buffer list 1530 */ 1531 buf->b_next = NULL; 1532 if (firstbuf == NULL) /* buffer list is empty */ 1533 { 1534 buf->b_prev = NULL; 1535 firstbuf = buf; 1536 } 1537 else /* append new buffer at end of list */ 1538 { 1539 lastbuf->b_next = buf; 1540 buf->b_prev = lastbuf; 1541 } 1542 lastbuf = buf; 1543 1544 buf->b_fnum = top_file_num++; 1545 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1546 { 1547 EMSG(_("W14: Warning: List of file names overflow")); 1548 if (emsg_silent == 0) 1549 { 1550 out_flush(); 1551 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1552 } 1553 top_file_num = 1; 1554 } 1555 1556 /* 1557 * Always copy the options from the current buffer. 1558 */ 1559 buf_copy_options(buf, BCO_ALWAYS); 1560 } 1561 1562 buf->b_wininfo->wi_fpos.lnum = lnum; 1563 buf->b_wininfo->wi_win = curwin; 1564 1565 #ifdef FEAT_EVAL 1566 var_init(&buf->b_vars); /* init internal variables */ 1567 #endif 1568 1569 buf->b_fname = buf->b_sfname; 1570 #ifdef UNIX 1571 if (st.st_dev == (dev_T)-1) 1572 buf->b_dev = -1; 1573 else 1574 { 1575 buf->b_dev = st.st_dev; 1576 buf->b_ino = st.st_ino; 1577 } 1578 #endif 1579 buf->b_u_synced = TRUE; 1580 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1581 buf_clear_file(buf); 1582 clrallmarks(buf); /* clear marks */ 1583 fmarks_check_names(buf); /* check file marks for this file */ 1584 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1585 #ifdef FEAT_AUTOCMD 1586 if (!(flags & BLN_DUMMY)) 1587 { 1588 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1589 if (flags & BLN_LISTED) 1590 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1591 # ifdef FEAT_EVAL 1592 /* autocmds may abort script processing */ 1593 if (!(flags & BLN_FORCE) && aborting()) 1594 return NULL; 1595 # endif 1596 } 1597 #endif 1598 1599 return buf; 1600 } 1601 1602 /* 1603 * Free the memory for the options of a buffer. 1604 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1605 * 'fileencoding'. 1606 */ 1607 void 1608 free_buf_options(buf, free_p_ff) 1609 buf_T *buf; 1610 int free_p_ff; 1611 { 1612 if (free_p_ff) 1613 { 1614 #ifdef FEAT_MBYTE 1615 clear_string_option(&buf->b_p_fenc); 1616 #endif 1617 clear_string_option(&buf->b_p_ff); 1618 #ifdef FEAT_QUICKFIX 1619 clear_string_option(&buf->b_p_bh); 1620 clear_string_option(&buf->b_p_bt); 1621 #endif 1622 } 1623 #ifdef FEAT_FIND_ID 1624 clear_string_option(&buf->b_p_def); 1625 clear_string_option(&buf->b_p_inc); 1626 # ifdef FEAT_EVAL 1627 clear_string_option(&buf->b_p_inex); 1628 # endif 1629 #endif 1630 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1631 clear_string_option(&buf->b_p_inde); 1632 clear_string_option(&buf->b_p_indk); 1633 #endif 1634 #ifdef FEAT_CRYPT 1635 clear_string_option(&buf->b_p_key); 1636 #endif 1637 clear_string_option(&buf->b_p_kp); 1638 clear_string_option(&buf->b_p_mps); 1639 clear_string_option(&buf->b_p_fo); 1640 clear_string_option(&buf->b_p_isk); 1641 #ifdef FEAT_KEYMAP 1642 clear_string_option(&buf->b_p_keymap); 1643 ga_clear(&buf->b_kmap_ga); 1644 #endif 1645 #ifdef FEAT_COMMENTS 1646 clear_string_option(&buf->b_p_com); 1647 #endif 1648 #ifdef FEAT_FOLDING 1649 clear_string_option(&buf->b_p_cms); 1650 #endif 1651 clear_string_option(&buf->b_p_nf); 1652 #ifdef FEAT_SYN_HL 1653 clear_string_option(&buf->b_p_syn); 1654 #endif 1655 #ifdef FEAT_SEARCHPATH 1656 clear_string_option(&buf->b_p_sua); 1657 #endif 1658 #ifdef FEAT_AUTOCMD 1659 clear_string_option(&buf->b_p_ft); 1660 #endif 1661 #ifdef FEAT_OSFILETYPE 1662 clear_string_option(&buf->b_p_oft); 1663 #endif 1664 #ifdef FEAT_CINDENT 1665 clear_string_option(&buf->b_p_cink); 1666 clear_string_option(&buf->b_p_cino); 1667 #endif 1668 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1669 clear_string_option(&buf->b_p_cinw); 1670 #endif 1671 #ifdef FEAT_INS_EXPAND 1672 clear_string_option(&buf->b_p_cpt); 1673 #endif 1674 #ifdef FEAT_COMPL_FUNC 1675 clear_string_option(&buf->b_p_cfu); 1676 #endif 1677 #ifdef FEAT_QUICKFIX 1678 clear_string_option(&buf->b_p_gp); 1679 clear_string_option(&buf->b_p_mp); 1680 clear_string_option(&buf->b_p_efm); 1681 #endif 1682 clear_string_option(&buf->b_p_ep); 1683 clear_string_option(&buf->b_p_path); 1684 clear_string_option(&buf->b_p_tags); 1685 #ifdef FEAT_INS_EXPAND 1686 clear_string_option(&buf->b_p_dict); 1687 clear_string_option(&buf->b_p_tsr); 1688 #endif 1689 #ifdef FEAT_TEXTOBJ 1690 clear_string_option(&buf->b_p_qe); 1691 #endif 1692 buf->b_p_ar = -1; 1693 } 1694 1695 /* 1696 * get alternate file n 1697 * set linenr to lnum or altfpos.lnum if lnum == 0 1698 * also set cursor column to altfpos.col if 'startofline' is not set. 1699 * if (options & GETF_SETMARK) call setpcmark() 1700 * if (options & GETF_ALT) we are jumping to an alternate file. 1701 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1702 * 1703 * return FAIL for failure, OK for success 1704 */ 1705 int 1706 buflist_getfile(n, lnum, options, forceit) 1707 int n; 1708 linenr_T lnum; 1709 int options; 1710 int forceit; 1711 { 1712 buf_T *buf; 1713 #ifdef FEAT_WINDOWS 1714 win_T *wp = NULL; 1715 #endif 1716 pos_T *fpos; 1717 colnr_T col; 1718 1719 buf = buflist_findnr(n); 1720 if (buf == NULL) 1721 { 1722 if ((options & GETF_ALT) && n == 0) 1723 EMSG(_(e_noalt)); 1724 else 1725 EMSGN(_("E92: Buffer %ld not found"), n); 1726 return FAIL; 1727 } 1728 1729 /* if alternate file is the current buffer, nothing to do */ 1730 if (buf == curbuf) 1731 return OK; 1732 1733 #ifdef FEAT_CMDWIN 1734 if (cmdwin_type != 0) 1735 return FAIL; 1736 #endif 1737 1738 /* altfpos may be changed by getfile(), get it now */ 1739 if (lnum == 0) 1740 { 1741 fpos = buflist_findfpos(buf); 1742 lnum = fpos->lnum; 1743 col = fpos->col; 1744 } 1745 else 1746 col = 0; 1747 1748 #ifdef FEAT_WINDOWS 1749 if (options & GETF_SWITCH) 1750 { 1751 /* use existing open window for buffer if wanted */ 1752 if (vim_strchr(p_swb, 'u')) /* useopen */ 1753 wp = buf_jump_open_win(buf); 1754 /* split window if wanted ("split") */ 1755 if (wp == NULL && vim_strchr(p_swb, 't') && !bufempty()) 1756 { 1757 if (win_split(0, 0) == FAIL) 1758 return FAIL; 1759 # ifdef FEAT_SCROLLBIND 1760 curwin->w_p_scb = FALSE; 1761 # endif 1762 } 1763 } 1764 #endif 1765 1766 ++RedrawingDisabled; 1767 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1768 lnum, forceit) <= 0) 1769 { 1770 --RedrawingDisabled; 1771 1772 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1773 if (!p_sol && col != 0) 1774 { 1775 curwin->w_cursor.col = col; 1776 check_cursor_col(); 1777 #ifdef FEAT_VIRTUALEDIT 1778 curwin->w_cursor.coladd = 0; 1779 #endif 1780 curwin->w_set_curswant = TRUE; 1781 } 1782 return OK; 1783 } 1784 --RedrawingDisabled; 1785 return FAIL; 1786 } 1787 1788 /* 1789 * go to the last know line number for the current buffer 1790 */ 1791 void 1792 buflist_getfpos() 1793 { 1794 pos_T *fpos; 1795 1796 fpos = buflist_findfpos(curbuf); 1797 1798 curwin->w_cursor.lnum = fpos->lnum; 1799 check_cursor_lnum(); 1800 1801 if (p_sol) 1802 curwin->w_cursor.col = 0; 1803 else 1804 { 1805 curwin->w_cursor.col = fpos->col; 1806 check_cursor_col(); 1807 #ifdef FEAT_VIRTUALEDIT 1808 curwin->w_cursor.coladd = 0; 1809 #endif 1810 curwin->w_set_curswant = TRUE; 1811 } 1812 } 1813 1814 /* 1815 * Find file in buffer list by name (it has to be for the current window). 1816 * "ffname" must have a full path. 1817 */ 1818 buf_T * 1819 buflist_findname(ffname) 1820 char_u *ffname; 1821 { 1822 #ifdef UNIX 1823 struct stat st; 1824 1825 if (mch_stat((char *)ffname, &st) < 0) 1826 st.st_dev = (dev_T)-1; 1827 return buflist_findname_stat(ffname, &st); 1828 } 1829 1830 /* 1831 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1832 * twice for the same file. 1833 */ 1834 static buf_T * 1835 buflist_findname_stat(ffname, stp) 1836 char_u *ffname; 1837 struct stat *stp; 1838 { 1839 #endif 1840 buf_T *buf; 1841 1842 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1843 if (!otherfile_buf(buf, ffname 1844 #ifdef UNIX 1845 , stp 1846 #endif 1847 )) 1848 return buf; 1849 return NULL; 1850 } 1851 1852 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 1853 /* 1854 * Find file in buffer list by a regexp pattern. 1855 * Return fnum of the found buffer. 1856 * Return < 0 for error. 1857 */ 1858 /*ARGSUSED*/ 1859 int 1860 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 1861 char_u *pattern; 1862 char_u *pattern_end; /* pointer to first char after pattern */ 1863 int unlisted; /* find unlisted buffers */ 1864 int diffmode; /* find diff-mode buffers only */ 1865 { 1866 buf_T *buf; 1867 regprog_T *prog; 1868 int match = -1; 1869 int find_listed; 1870 char_u *pat; 1871 char_u *patend; 1872 int attempt; 1873 char_u *p; 1874 int toggledollar; 1875 1876 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 1877 { 1878 if (*pattern == '%') 1879 match = curbuf->b_fnum; 1880 else 1881 match = curwin->w_alt_fnum; 1882 #ifdef FEAT_DIFF 1883 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 1884 match = -1; 1885 #endif 1886 } 1887 1888 /* 1889 * Try four ways of matching a listed buffer: 1890 * attempt == 0: without '^' or '$' (at any position) 1891 * attempt == 1: with '^' at start (only at postion 0) 1892 * attempt == 2: with '$' at end (only match at end) 1893 * attempt == 3: with '^' at start and '$' at end (only full match) 1894 * Repeat this for finding an unlisted buffer if there was no matching 1895 * listed buffer. 1896 */ 1897 else 1898 { 1899 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 1900 if (pat == NULL) 1901 return -1; 1902 patend = pat + STRLEN(pat) - 1; 1903 toggledollar = (patend > pat && *patend == '$'); 1904 1905 /* First try finding a listed buffer. If not found and "unlisted" 1906 * is TRUE, try finding an unlisted buffer. */ 1907 find_listed = TRUE; 1908 for (;;) 1909 { 1910 for (attempt = 0; attempt <= 3; ++attempt) 1911 { 1912 /* may add '^' and '$' */ 1913 if (toggledollar) 1914 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 1915 p = pat; 1916 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 1917 ++p; 1918 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 1919 if (prog == NULL) 1920 { 1921 vim_free(pat); 1922 return -1; 1923 } 1924 1925 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1926 if (buf->b_p_bl == find_listed 1927 #ifdef FEAT_DIFF 1928 && (!diffmode || diff_mode_buf(buf)) 1929 #endif 1930 && buflist_match(prog, buf) != NULL) 1931 { 1932 if (match >= 0) /* already found a match */ 1933 { 1934 match = -2; 1935 break; 1936 } 1937 match = buf->b_fnum; /* remember first match */ 1938 } 1939 1940 vim_free(prog); 1941 if (match >= 0) /* found one match */ 1942 break; 1943 } 1944 1945 /* Only search for unlisted buffers if there was no match with 1946 * a listed buffer. */ 1947 if (!unlisted || !find_listed || match != -1) 1948 break; 1949 find_listed = FALSE; 1950 } 1951 1952 vim_free(pat); 1953 } 1954 1955 if (match == -2) 1956 EMSG2(_("E93: More than one match for %s"), pattern); 1957 else if (match < 0) 1958 EMSG2(_("E94: No matching buffer for %s"), pattern); 1959 return match; 1960 } 1961 #endif 1962 1963 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 1964 1965 /* 1966 * Find all buffer names that match. 1967 * For command line expansion of ":buf" and ":sbuf". 1968 * Return OK if matches found, FAIL otherwise. 1969 */ 1970 int 1971 ExpandBufnames(pat, num_file, file, options) 1972 char_u *pat; 1973 int *num_file; 1974 char_u ***file; 1975 int options; 1976 { 1977 int count = 0; 1978 buf_T *buf; 1979 int round; 1980 char_u *p; 1981 int attempt; 1982 regprog_T *prog; 1983 1984 *num_file = 0; /* return values in case of FAIL */ 1985 *file = NULL; 1986 1987 /* 1988 * attempt == 1: try match with '^', match at start 1989 * attempt == 2: try match without '^', match anywhere 1990 */ 1991 for (attempt = 1; attempt <= 2; ++attempt) 1992 { 1993 if (attempt == 2) 1994 { 1995 if (*pat != '^') /* there's no '^', no need to try again */ 1996 break; 1997 ++pat; /* skip the '^' */ 1998 } 1999 prog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); 2000 if (prog == NULL) 2001 return FAIL; 2002 2003 /* 2004 * round == 1: Count the matches. 2005 * round == 2: Build the array to keep the matches. 2006 */ 2007 for (round = 1; round <= 2; ++round) 2008 { 2009 count = 0; 2010 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2011 { 2012 if (!buf->b_p_bl) /* skip unlisted buffers */ 2013 continue; 2014 p = buflist_match(prog, buf); 2015 if (p != NULL) 2016 { 2017 if (round == 1) 2018 ++count; 2019 else 2020 { 2021 if (options & WILD_HOME_REPLACE) 2022 p = home_replace_save(buf, p); 2023 else 2024 p = vim_strsave(p); 2025 (*file)[count++] = p; 2026 } 2027 } 2028 } 2029 if (count == 0) /* no match found, break here */ 2030 break; 2031 if (round == 1) 2032 { 2033 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2034 if (*file == NULL) 2035 { 2036 vim_free(prog); 2037 return FAIL; 2038 } 2039 } 2040 } 2041 vim_free(prog); 2042 if (count) /* match(es) found, break here */ 2043 break; 2044 } 2045 2046 *num_file = count; 2047 return (count == 0 ? FAIL : OK); 2048 } 2049 2050 #endif /* FEAT_CMDL_COMPL */ 2051 2052 #ifdef HAVE_BUFLIST_MATCH 2053 /* 2054 * Check for a match on the file name for buffer "buf" with regprog "prog". 2055 */ 2056 static char_u * 2057 buflist_match(prog, buf) 2058 regprog_T *prog; 2059 buf_T *buf; 2060 { 2061 char_u *match; 2062 2063 /* First try the short file name, then the long file name. */ 2064 match = fname_match(prog, buf->b_sfname); 2065 if (match == NULL) 2066 match = fname_match(prog, buf->b_ffname); 2067 2068 return match; 2069 } 2070 2071 /* 2072 * Try matching the regexp in "prog" with file name "name". 2073 * Return "name" when there is a match, NULL when not. 2074 */ 2075 static char_u * 2076 fname_match(prog, name) 2077 regprog_T *prog; 2078 char_u *name; 2079 { 2080 char_u *match = NULL; 2081 char_u *p; 2082 regmatch_T regmatch; 2083 2084 if (name != NULL) 2085 { 2086 regmatch.regprog = prog; 2087 #ifdef CASE_INSENSITIVE_FILENAME 2088 regmatch.rm_ic = TRUE; /* Always ignore case */ 2089 #else 2090 regmatch.rm_ic = FALSE; /* Never ignore case */ 2091 #endif 2092 2093 if (vim_regexec(®match, name, (colnr_T)0)) 2094 match = name; 2095 else 2096 { 2097 /* Replace $(HOME) with '~' and try matching again. */ 2098 p = home_replace_save(NULL, name); 2099 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2100 match = name; 2101 vim_free(p); 2102 } 2103 } 2104 2105 return match; 2106 } 2107 #endif 2108 2109 /* 2110 * find file in buffer list by number 2111 */ 2112 buf_T * 2113 buflist_findnr(nr) 2114 int nr; 2115 { 2116 buf_T *buf; 2117 2118 if (nr == 0) 2119 nr = curwin->w_alt_fnum; 2120 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2121 if (buf->b_fnum == nr) 2122 return (buf); 2123 return NULL; 2124 } 2125 2126 /* 2127 * Get name of file 'n' in the buffer list. 2128 * When the file has no name an empty string is returned. 2129 * home_replace() is used to shorten the file name (used for marks). 2130 * Returns a pointer to allocated memory, of NULL when failed. 2131 */ 2132 char_u * 2133 buflist_nr2name(n, fullname, helptail) 2134 int n; 2135 int fullname; 2136 int helptail; /* for help buffers return tail only */ 2137 { 2138 buf_T *buf; 2139 2140 buf = buflist_findnr(n); 2141 if (buf == NULL) 2142 return NULL; 2143 return home_replace_save(helptail ? buf : NULL, 2144 fullname ? buf->b_ffname : buf->b_fname); 2145 } 2146 2147 /* 2148 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2149 * When "copy_options" is TRUE save the local window option values. 2150 * When "lnum" is 0 only do the options. 2151 */ 2152 static void 2153 buflist_setfpos(buf, win, lnum, col, copy_options) 2154 buf_T *buf; 2155 win_T *win; 2156 linenr_T lnum; 2157 colnr_T col; 2158 int copy_options; 2159 { 2160 wininfo_T *wip; 2161 2162 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2163 if (wip->wi_win == win) 2164 break; 2165 if (wip == NULL) 2166 { 2167 /* allocate a new entry */ 2168 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2169 if (wip == NULL) 2170 return; 2171 wip->wi_win = win; 2172 if (lnum == 0) /* set lnum even when it's 0 */ 2173 lnum = 1; 2174 } 2175 else 2176 { 2177 /* remove the entry from the list */ 2178 if (wip->wi_prev) 2179 wip->wi_prev->wi_next = wip->wi_next; 2180 else 2181 buf->b_wininfo = wip->wi_next; 2182 if (wip->wi_next) 2183 wip->wi_next->wi_prev = wip->wi_prev; 2184 if (copy_options && wip->wi_optset) 2185 { 2186 clear_winopt(&wip->wi_opt); 2187 #ifdef FEAT_FOLDING 2188 deleteFoldRecurse(&wip->wi_folds); 2189 #endif 2190 } 2191 } 2192 if (lnum != 0) 2193 { 2194 wip->wi_fpos.lnum = lnum; 2195 wip->wi_fpos.col = col; 2196 } 2197 if (copy_options) 2198 { 2199 /* Save the window-specific option values. */ 2200 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2201 #ifdef FEAT_FOLDING 2202 wip->wi_fold_manual = win->w_fold_manual; 2203 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2204 #endif 2205 wip->wi_optset = TRUE; 2206 } 2207 2208 /* insert the entry in front of the list */ 2209 wip->wi_next = buf->b_wininfo; 2210 buf->b_wininfo = wip; 2211 wip->wi_prev = NULL; 2212 if (wip->wi_next) 2213 wip->wi_next->wi_prev = wip; 2214 2215 return; 2216 } 2217 2218 /* 2219 * Find info for the current window in buffer "buf". 2220 * If not found, return the info for the most recently used window. 2221 * Returns NULL when there isn't any info. 2222 */ 2223 static wininfo_T * 2224 find_wininfo(buf) 2225 buf_T *buf; 2226 { 2227 wininfo_T *wip; 2228 2229 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2230 if (wip->wi_win == curwin) 2231 break; 2232 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2233 wip = buf->b_wininfo; 2234 return wip; 2235 } 2236 2237 /* 2238 * Reset the local window options to the values last used in this window. 2239 * If the buffer wasn't used in this window before, use the values from 2240 * the most recently used window. If the values were never set, use the 2241 * global values for the window. 2242 */ 2243 void 2244 get_winopts(buf) 2245 buf_T *buf; 2246 { 2247 wininfo_T *wip; 2248 2249 clear_winopt(&curwin->w_onebuf_opt); 2250 #ifdef FEAT_FOLDING 2251 clearFolding(curwin); 2252 #endif 2253 2254 wip = find_wininfo(buf); 2255 if (wip != NULL && wip->wi_optset) 2256 { 2257 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2258 #ifdef FEAT_FOLDING 2259 curwin->w_fold_manual = wip->wi_fold_manual; 2260 curwin->w_foldinvalid = TRUE; 2261 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2262 #endif 2263 } 2264 else 2265 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2266 2267 #ifdef FEAT_FOLDING 2268 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2269 if (p_fdls >= 0) 2270 curwin->w_p_fdl = p_fdls; 2271 #endif 2272 } 2273 2274 /* 2275 * Find the position (lnum and col) for the buffer 'buf' for the current 2276 * window. 2277 * Returns a pointer to no_position if no position is found. 2278 */ 2279 pos_T * 2280 buflist_findfpos(buf) 2281 buf_T *buf; 2282 { 2283 wininfo_T *wip; 2284 static pos_T no_position = {1, 0}; 2285 2286 wip = find_wininfo(buf); 2287 if (wip != NULL) 2288 return &(wip->wi_fpos); 2289 else 2290 return &no_position; 2291 } 2292 2293 /* 2294 * Find the lnum for the buffer 'buf' for the current window. 2295 */ 2296 linenr_T 2297 buflist_findlnum(buf) 2298 buf_T *buf; 2299 { 2300 return buflist_findfpos(buf)->lnum; 2301 } 2302 2303 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2304 /* 2305 * List all know file names (for :files and :buffers command). 2306 */ 2307 /*ARGSUSED*/ 2308 void 2309 buflist_list(eap) 2310 exarg_T *eap; 2311 { 2312 buf_T *buf; 2313 int len; 2314 int i; 2315 2316 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2317 { 2318 /* skip unlisted buffers, unless ! was used */ 2319 if (!buf->b_p_bl && !eap->forceit) 2320 continue; 2321 msg_putchar('\n'); 2322 if (buf_spname(buf) != NULL) 2323 STRCPY(NameBuff, buf_spname(buf)); 2324 else 2325 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2326 2327 sprintf((char *)IObuff, "%3d%c%c%c%c%c \"", 2328 buf->b_fnum, 2329 buf->b_p_bl ? ' ' : 'u', 2330 buf == curbuf ? '%' : 2331 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2332 buf->b_ml.ml_mfp == NULL ? ' ' : 2333 (buf->b_nwindows == 0 ? 'h' : 'a'), 2334 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2335 (buf->b_flags & BF_READERR) ? 'x' 2336 : (bufIsChanged(buf) ? '+' : ' ') 2337 ); 2338 2339 len = (int)STRLEN(IObuff); 2340 STRNCPY(IObuff + len, NameBuff, IOSIZE - 20 - len); 2341 IObuff[IOSIZE - 20 - len] = NUL; /* make sure it's terminated */ 2342 2343 len = (int)STRLEN(IObuff); 2344 IObuff[len++] = '"'; 2345 2346 /* put "line 999" in column 40 or after the file name */ 2347 IObuff[len] = NUL; 2348 i = 40 - vim_strsize(IObuff); 2349 do 2350 { 2351 IObuff[len++] = ' '; 2352 } while (--i > 0 && len < IOSIZE - 18); 2353 sprintf((char *)IObuff + len, _("line %ld"), 2354 buf == curbuf ? curwin->w_cursor.lnum : 2355 (long)buflist_findlnum(buf)); 2356 msg_outtrans(IObuff); 2357 out_flush(); /* output one line at a time */ 2358 ui_breakcheck(); 2359 } 2360 } 2361 #endif 2362 2363 /* 2364 * Get file name and line number for file 'fnum'. 2365 * Used by DoOneCmd() for translating '%' and '#'. 2366 * Used by insert_reg() and cmdline_paste() for '#' register. 2367 * Return FAIL if not found, OK for success. 2368 */ 2369 int 2370 buflist_name_nr(fnum, fname, lnum) 2371 int fnum; 2372 char_u **fname; 2373 linenr_T *lnum; 2374 { 2375 buf_T *buf; 2376 2377 buf = buflist_findnr(fnum); 2378 if (buf == NULL || buf->b_fname == NULL) 2379 return FAIL; 2380 2381 *fname = buf->b_fname; 2382 *lnum = buflist_findlnum(buf); 2383 2384 return OK; 2385 } 2386 2387 /* 2388 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2389 * The file name with the full path is also remembered, for when :cd is used. 2390 * Returns FAIL for failure (file name already in use by other buffer) 2391 * OK otherwise. 2392 */ 2393 int 2394 setfname(buf, ffname, sfname, message) 2395 buf_T *buf; 2396 char_u *ffname, *sfname; 2397 int message; 2398 { 2399 buf_T *obuf; 2400 #ifdef UNIX 2401 struct stat st; 2402 #endif 2403 2404 if (ffname == NULL || *ffname == NUL) 2405 { 2406 /* Removing the name. */ 2407 vim_free(buf->b_ffname); 2408 vim_free(buf->b_sfname); 2409 buf->b_ffname = NULL; 2410 buf->b_sfname = NULL; 2411 #ifdef UNIX 2412 st.st_dev = (dev_T)-1; 2413 #endif 2414 } 2415 else 2416 { 2417 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2418 if (ffname == NULL) /* out of memory */ 2419 return FAIL; 2420 2421 /* 2422 * if the file name is already used in another buffer: 2423 * - if the buffer is loaded, fail 2424 * - if the buffer is not loaded, delete it from the list 2425 */ 2426 #ifdef UNIX 2427 if (mch_stat((char *)ffname, &st) < 0) 2428 st.st_dev = (dev_T)-1; 2429 obuf = buflist_findname_stat(ffname, &st); 2430 #else 2431 obuf = buflist_findname(ffname); 2432 #endif 2433 if (obuf != NULL && obuf != buf) 2434 { 2435 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2436 { 2437 if (message) 2438 EMSG(_("E95: Buffer with this name already exists")); 2439 vim_free(ffname); 2440 return FAIL; 2441 } 2442 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2443 } 2444 sfname = vim_strsave(sfname); 2445 if (ffname == NULL || sfname == NULL) 2446 { 2447 vim_free(sfname); 2448 vim_free(ffname); 2449 return FAIL; 2450 } 2451 #ifdef USE_FNAME_CASE 2452 # ifdef USE_LONG_FNAME 2453 if (USE_LONG_FNAME) 2454 # endif 2455 fname_case(sfname, 0); /* set correct case for short file name */ 2456 #endif 2457 vim_free(buf->b_ffname); 2458 vim_free(buf->b_sfname); 2459 buf->b_ffname = ffname; 2460 buf->b_sfname = sfname; 2461 } 2462 buf->b_fname = buf->b_sfname; 2463 #ifdef UNIX 2464 if (st.st_dev == (dev_T)-1) 2465 buf->b_dev = -1; 2466 else 2467 { 2468 buf->b_dev = st.st_dev; 2469 buf->b_ino = st.st_ino; 2470 } 2471 #endif 2472 2473 #ifndef SHORT_FNAME 2474 buf->b_shortname = FALSE; 2475 #endif 2476 2477 buf_name_changed(buf); 2478 return OK; 2479 } 2480 2481 /* 2482 * Take care of what needs to be done when the name of buffer "buf" has 2483 * changed. 2484 */ 2485 void 2486 buf_name_changed(buf) 2487 buf_T *buf; 2488 { 2489 /* 2490 * If the file name changed, also change the name of the swapfile 2491 */ 2492 if (buf->b_ml.ml_mfp != NULL) 2493 ml_setname(buf); 2494 2495 if (curwin->w_buffer == buf) 2496 check_arg_idx(curwin); /* check file name for arg list */ 2497 #ifdef FEAT_TITLE 2498 maketitle(); /* set window title */ 2499 #endif 2500 #ifdef FEAT_WINDOWS 2501 status_redraw_all(); /* status lines need to be redrawn */ 2502 #endif 2503 fmarks_check_names(buf); /* check named file marks */ 2504 ml_timestamp(buf); /* reset timestamp */ 2505 } 2506 2507 /* 2508 * set alternate file name for current window 2509 * 2510 * Used by do_one_cmd(), do_write() and do_ecmd(). 2511 * Return the buffer. 2512 */ 2513 buf_T * 2514 setaltfname(ffname, sfname, lnum) 2515 char_u *ffname; 2516 char_u *sfname; 2517 linenr_T lnum; 2518 { 2519 buf_T *buf; 2520 2521 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2522 buf = buflist_new(ffname, sfname, lnum, 0); 2523 if (buf != NULL) 2524 curwin->w_alt_fnum = buf->b_fnum; 2525 return buf; 2526 } 2527 2528 /* 2529 * Get alternate file name for current window. 2530 * Return NULL if there isn't any, and give error message if requested. 2531 */ 2532 char_u * 2533 getaltfname(errmsg) 2534 int errmsg; /* give error message */ 2535 { 2536 char_u *fname; 2537 linenr_T dummy; 2538 2539 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2540 { 2541 if (errmsg) 2542 EMSG(_(e_noalt)); 2543 return NULL; 2544 } 2545 return fname; 2546 } 2547 2548 /* 2549 * Add a file name to the buflist and return its number. 2550 * Uses same flags as buflist_new(), except BLN_DUMMY. 2551 * 2552 * used by qf_init(), main() and doarglist() 2553 */ 2554 int 2555 buflist_add(fname, flags) 2556 char_u *fname; 2557 int flags; 2558 { 2559 buf_T *buf; 2560 2561 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2562 if (buf != NULL) 2563 return buf->b_fnum; 2564 return 0; 2565 } 2566 2567 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2568 /* 2569 * Adjust slashes in file names. Called after 'shellslash' was set. 2570 */ 2571 void 2572 buflist_slash_adjust() 2573 { 2574 buf_T *bp; 2575 2576 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2577 { 2578 if (bp->b_ffname != NULL) 2579 slash_adjust(bp->b_ffname); 2580 if (bp->b_sfname != NULL) 2581 slash_adjust(bp->b_sfname); 2582 } 2583 } 2584 #endif 2585 2586 /* 2587 * Set alternate cursor position for current window. 2588 * Also save the local window option values. 2589 */ 2590 void 2591 buflist_altfpos() 2592 { 2593 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2594 curwin->w_cursor.col, TRUE); 2595 } 2596 2597 /* 2598 * Return TRUE if 'ffname' is not the same file as current file. 2599 * Fname must have a full path (expanded by mch_FullName()). 2600 */ 2601 int 2602 otherfile(ffname) 2603 char_u *ffname; 2604 { 2605 return otherfile_buf(curbuf, ffname 2606 #ifdef UNIX 2607 , NULL 2608 #endif 2609 ); 2610 } 2611 2612 static int 2613 otherfile_buf(buf, ffname 2614 #ifdef UNIX 2615 , stp 2616 #endif 2617 ) 2618 buf_T *buf; 2619 char_u *ffname; 2620 #ifdef UNIX 2621 struct stat *stp; 2622 #endif 2623 { 2624 /* no name is different */ 2625 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2626 return TRUE; 2627 if (fnamecmp(ffname, buf->b_ffname) == 0) 2628 return FALSE; 2629 #ifdef UNIX 2630 { 2631 struct stat st; 2632 2633 /* If no struct stat given, get it now */ 2634 if (stp == NULL) 2635 { 2636 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2637 st.st_dev = (dev_T)-1; 2638 stp = &st; 2639 } 2640 /* Use dev/ino to check if the files are the same, even when the names 2641 * are different (possible with links). Still need to compare the 2642 * name above, for when the file doesn't exist yet. 2643 * Problem: The dev/ino changes when a file is deleted (and created 2644 * again) and remains the same when renamed/moved. We don't want to 2645 * mch_stat() each buffer each time, that would be too slow. Get the 2646 * dev/ino again when they appear to match, but not when they appear 2647 * to be different: Could skip a buffer when it's actually the same 2648 * file. */ 2649 if (buf_same_ino(buf, stp)) 2650 { 2651 buf_setino(buf); 2652 if (buf_same_ino(buf, stp)) 2653 return FALSE; 2654 } 2655 } 2656 #endif 2657 return TRUE; 2658 } 2659 2660 #if defined(UNIX) || defined(PROTO) 2661 /* 2662 * Set inode and device number for a buffer. 2663 * Must always be called when b_fname is changed!. 2664 */ 2665 void 2666 buf_setino(buf) 2667 buf_T *buf; 2668 { 2669 struct stat st; 2670 2671 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2672 { 2673 buf->b_dev = st.st_dev; 2674 buf->b_ino = st.st_ino; 2675 } 2676 else 2677 buf->b_dev = -1; 2678 } 2679 2680 /* 2681 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2682 */ 2683 static int 2684 buf_same_ino(buf, stp) 2685 buf_T *buf; 2686 struct stat *stp; 2687 { 2688 return (buf->b_dev >= 0 2689 && stp->st_dev == buf->b_dev 2690 && stp->st_ino == buf->b_ino); 2691 } 2692 #endif 2693 2694 void 2695 fileinfo(fullname, shorthelp, dont_truncate) 2696 int fullname; 2697 int shorthelp; 2698 int dont_truncate; 2699 { 2700 char_u *name; 2701 int n; 2702 char_u *p; 2703 char_u *buffer; 2704 2705 buffer = alloc(IOSIZE); 2706 if (buffer == NULL) 2707 return; 2708 2709 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2710 { 2711 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2712 p = buffer + STRLEN(buffer); 2713 } 2714 else 2715 p = buffer; 2716 2717 *p++ = '"'; 2718 if (buf_spname(curbuf) != NULL) 2719 STRCPY(p, buf_spname(curbuf)); 2720 else 2721 { 2722 if (!fullname && curbuf->b_fname != NULL) 2723 name = curbuf->b_fname; 2724 else 2725 name = curbuf->b_ffname; 2726 home_replace(shorthelp ? curbuf : NULL, name, p, 2727 (int)(IOSIZE - (p - buffer)), TRUE); 2728 } 2729 2730 sprintf((char *)buffer + STRLEN(buffer), 2731 "\"%s%s%s%s%s%s", 2732 curbufIsChanged() ? (shortmess(SHM_MOD) 2733 ? " [+]" : _(" [Modified]")) : " ", 2734 (curbuf->b_flags & BF_NOTEDITED) 2735 #ifdef FEAT_QUICKFIX 2736 && !bt_dontwrite(curbuf) 2737 #endif 2738 ? _("[Not edited]") : "", 2739 (curbuf->b_flags & BF_NEW) 2740 #ifdef FEAT_QUICKFIX 2741 && !bt_dontwrite(curbuf) 2742 #endif 2743 ? _("[New file]") : "", 2744 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2745 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2746 : _("[readonly]")) : "", 2747 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2748 || curbuf->b_p_ro) ? 2749 " " : ""); 2750 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2751 * causes an overflow, thus for large numbers divide instead. */ 2752 if (curwin->w_cursor.lnum > 1000000L) 2753 n = (int)(((long)curwin->w_cursor.lnum) / 2754 ((long)curbuf->b_ml.ml_line_count / 100L)); 2755 else 2756 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2757 (long)curbuf->b_ml.ml_line_count); 2758 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2759 { 2760 STRCPY(buffer + STRLEN(buffer), _(no_lines_msg)); 2761 } 2762 #ifdef FEAT_CMDL_INFO 2763 else if (p_ru) 2764 { 2765 /* Current line and column are already on the screen -- webb */ 2766 if (curbuf->b_ml.ml_line_count == 1) 2767 sprintf((char *)buffer + STRLEN(buffer), _("1 line --%d%%--"), n); 2768 else 2769 sprintf((char *)buffer + STRLEN(buffer), _("%ld lines --%d%%--"), 2770 (long)curbuf->b_ml.ml_line_count, n); 2771 } 2772 #endif 2773 else 2774 { 2775 sprintf((char *)buffer + STRLEN(buffer), 2776 _("line %ld of %ld --%d%%-- col "), 2777 (long)curwin->w_cursor.lnum, 2778 (long)curbuf->b_ml.ml_line_count, 2779 n); 2780 validate_virtcol(); 2781 col_print(buffer + STRLEN(buffer), 2782 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2783 } 2784 2785 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2786 2787 if (dont_truncate) 2788 { 2789 /* Temporarily set msg_scroll to avoid the message being truncated. 2790 * First call msg_start() to get the message in the right place. */ 2791 msg_start(); 2792 n = msg_scroll; 2793 msg_scroll = TRUE; 2794 msg(buffer); 2795 msg_scroll = n; 2796 } 2797 else 2798 { 2799 p = msg_trunc_attr(buffer, FALSE, 0); 2800 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2801 { 2802 /* Need to repeat the message after redrawing when: 2803 * - When restart_edit is set (otherwise there will be a delay 2804 * before redrawing). 2805 * - When the screen was scrolled but there is no wait-return 2806 * prompt. */ 2807 set_keep_msg(p); 2808 keep_msg_attr = 0; 2809 } 2810 } 2811 2812 vim_free(buffer); 2813 } 2814 2815 void 2816 col_print(buf, col, vcol) 2817 char_u *buf; 2818 int col; 2819 int vcol; 2820 { 2821 if (col == vcol) 2822 sprintf((char *)buf, "%d", col); 2823 else 2824 sprintf((char *)buf, "%d-%d", col, vcol); 2825 } 2826 2827 #if defined(FEAT_TITLE) || defined(PROTO) 2828 /* 2829 * put file name in title bar of window and in icon title 2830 */ 2831 2832 static char_u *lasttitle = NULL; 2833 static char_u *lasticon = NULL; 2834 2835 void 2836 maketitle() 2837 { 2838 char_u *p; 2839 char_u *t_str = NULL; 2840 char_u *i_name; 2841 char_u *i_str = NULL; 2842 int maxlen = 0; 2843 int len; 2844 int mustset; 2845 char_u buf[IOSIZE]; 2846 int off; 2847 2848 if (!redrawing()) 2849 { 2850 /* Postpone updating the title when 'lazyredraw' is set. */ 2851 need_maketitle = TRUE; 2852 return; 2853 } 2854 2855 need_maketitle = FALSE; 2856 if (!p_title && !p_icon) 2857 return; 2858 2859 if (p_title) 2860 { 2861 if (p_titlelen > 0) 2862 { 2863 maxlen = p_titlelen * Columns / 100; 2864 if (maxlen < 10) 2865 maxlen = 10; 2866 } 2867 2868 t_str = buf; 2869 if (*p_titlestring != NUL) 2870 { 2871 #ifdef FEAT_STL_OPT 2872 if (stl_syntax & STL_IN_TITLE) 2873 build_stl_str_hl(curwin, t_str, sizeof(buf), 2874 p_titlestring, 0, maxlen, NULL); 2875 else 2876 #endif 2877 t_str = p_titlestring; 2878 } 2879 else 2880 { 2881 /* format: "fname + (path) (1 of 2) - VIM" */ 2882 2883 if (curbuf->b_fname == NULL) 2884 STRCPY(buf, _("[No file]")); 2885 else 2886 { 2887 p = transstr(gettail(curbuf->b_fname)); 2888 STRNCPY(buf, p, IOSIZE - 100); 2889 vim_free(p); 2890 buf[IOSIZE - 100] = NUL; /* in case it was too long */ 2891 } 2892 2893 switch (bufIsChanged(curbuf) 2894 + (curbuf->b_p_ro * 2) 2895 + (!curbuf->b_p_ma * 4)) 2896 { 2897 case 1: STRCAT(buf, " +"); break; 2898 case 2: STRCAT(buf, " ="); break; 2899 case 3: STRCAT(buf, " =+"); break; 2900 case 4: 2901 case 6: STRCAT(buf, " -"); break; 2902 case 5: 2903 case 7: STRCAT(buf, " -+"); break; 2904 } 2905 2906 if (curbuf->b_fname != NULL) 2907 { 2908 /* Get path of file, replace home dir with ~ */ 2909 off = (int)STRLEN(buf); 2910 buf[off++] = ' '; 2911 buf[off++] = '('; 2912 home_replace(curbuf, curbuf->b_ffname, 2913 buf + off, IOSIZE - off, TRUE); 2914 #ifdef BACKSLASH_IN_FILENAME 2915 /* avoid "c:/name" to be reduced to "c" */ 2916 if (isalpha(buf[off]) && buf[off + 1] == ':') 2917 off += 2; 2918 #endif 2919 /* remove the file name */ 2920 p = gettail(buf + off); 2921 if (p == buf + off) 2922 { 2923 /* must be a help buffer */ 2924 STRCPY(buf + off, _("help")); 2925 } 2926 else 2927 { 2928 while (p > buf + off + 1 && vim_ispathsep(p[-1])) 2929 --p; 2930 #ifdef VMS 2931 /* path separator is part of the path */ 2932 ++p; 2933 #endif 2934 *p = NUL; 2935 } 2936 /* translate unprintable chars */ 2937 p = transstr(buf + off); 2938 STRNCPY(buf + off, p, IOSIZE - off); 2939 vim_free(p); 2940 buf[IOSIZE - 1] = NUL; /* in case it was too long */ 2941 STRCAT(buf, ")"); 2942 } 2943 2944 append_arg_number(curwin, buf, FALSE, IOSIZE); 2945 2946 #if defined(FEAT_CLIENTSERVER) 2947 if (serverName != NULL) 2948 { 2949 STRCAT(buf, " - "); 2950 STRCAT(buf, serverName); 2951 } 2952 else 2953 #endif 2954 STRCAT(buf, " - VIM"); 2955 2956 if (maxlen > 0) 2957 { 2958 /* make it shorter by removing a bit in the middle */ 2959 len = vim_strsize(buf); 2960 if (len > maxlen) 2961 trunc_string(buf, buf, maxlen); 2962 } 2963 } 2964 } 2965 mustset = ti_change(t_str, &lasttitle); 2966 2967 if (p_icon) 2968 { 2969 i_str = buf; 2970 if (*p_iconstring != NUL) 2971 { 2972 #ifdef FEAT_STL_OPT 2973 if (stl_syntax & STL_IN_ICON) 2974 build_stl_str_hl(curwin, i_str, sizeof(buf), 2975 p_iconstring, 0, 0, NULL); 2976 else 2977 #endif 2978 i_str = p_iconstring; 2979 } 2980 else 2981 { 2982 if (buf_spname(curbuf) != NULL) 2983 i_name = (char_u *)buf_spname(curbuf); 2984 else /* use file name only in icon */ 2985 i_name = gettail(curbuf->b_ffname); 2986 *i_str = NUL; 2987 /* Truncate name at 100 bytes. */ 2988 len = STRLEN(i_name); 2989 if (len > 100) 2990 { 2991 len -= 100; 2992 #ifdef FEAT_MBYTE 2993 if (has_mbyte) 2994 len += (*mb_tail_off)(i_name, i_name + len) + 1; 2995 #endif 2996 i_name += len; 2997 } 2998 STRCPY(i_str, i_name); 2999 trans_characters(i_str, IOSIZE); 3000 } 3001 } 3002 3003 mustset |= ti_change(i_str, &lasticon); 3004 3005 if (mustset) 3006 resettitle(); 3007 } 3008 3009 /* 3010 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3011 * from "str" if it does. 3012 * Return TRUE when "*last" changed. 3013 */ 3014 static int 3015 ti_change(str, last) 3016 char_u *str; 3017 char_u **last; 3018 { 3019 if ((str == NULL) != (*last == NULL) 3020 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3021 { 3022 vim_free(*last); 3023 if (str == NULL) 3024 *last = NULL; 3025 else 3026 *last = vim_strsave(str); 3027 return TRUE; 3028 } 3029 return FALSE; 3030 } 3031 3032 /* 3033 * Put current window title back (used after calling a shell) 3034 */ 3035 void 3036 resettitle() 3037 { 3038 mch_settitle(lasttitle, lasticon); 3039 } 3040 #endif /* FEAT_TITLE */ 3041 3042 #if defined(FEAT_STL_OPT) || defined(PROTO) 3043 /* 3044 * Build a string from the status line items in fmt. 3045 * Return length of string in screen cells. 3046 * 3047 * Items are drawn interspersed with the text that surrounds it 3048 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3049 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3050 * 3051 * If maxwidth is not zero, the string will be filled at any middle marker 3052 * or truncated if too long, fillchar is used for all whitespace. 3053 */ 3054 int 3055 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3056 win_T *wp; 3057 char_u *out; /* buffer to write into */ 3058 size_t outlen; /* length of out[] */ 3059 char_u *fmt; 3060 int fillchar; 3061 int maxwidth; 3062 struct stl_hlrec *hl; 3063 { 3064 char_u *p; 3065 char_u *s; 3066 char_u *t; 3067 char_u *linecont; 3068 #ifdef FEAT_EVAL 3069 win_T *o_curwin; 3070 buf_T *o_curbuf; 3071 #endif 3072 int empty_line; 3073 colnr_T virtcol; 3074 long l; 3075 long n; 3076 int prevchar_isflag; 3077 int prevchar_isitem; 3078 int itemisflag; 3079 int fillable; 3080 char_u *str; 3081 long num; 3082 int width; 3083 int itemcnt; 3084 int curitem; 3085 int groupitem[STL_MAX_ITEM]; 3086 int groupdepth; 3087 struct stl_item 3088 { 3089 char_u *start; 3090 int minwid; 3091 int maxwid; 3092 enum 3093 { 3094 Normal, 3095 Empty, 3096 Group, 3097 Middle, 3098 Highlight, 3099 Trunc 3100 } type; 3101 } item[STL_MAX_ITEM]; 3102 int minwid; 3103 int maxwid; 3104 int zeropad; 3105 char_u base; 3106 char_u opt; 3107 #define TMPLEN 70 3108 char_u tmp[TMPLEN]; 3109 3110 if (fillchar == 0) 3111 fillchar = ' '; 3112 /* 3113 * Get line & check if empty (cursorpos will show "0-1"). 3114 * If inversion is possible we use it. Else '=' characters are used. 3115 */ 3116 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3117 empty_line = (*linecont == NUL); 3118 3119 groupdepth = 0; 3120 p = out; 3121 curitem = 0; 3122 prevchar_isflag = TRUE; 3123 prevchar_isitem = FALSE; 3124 for (s = fmt; *s;) 3125 { 3126 if (*s != NUL && *s != '%') 3127 prevchar_isflag = prevchar_isitem = FALSE; 3128 3129 /* 3130 * Handle up to the next '%' or the end. 3131 */ 3132 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3133 *p++ = *s++; 3134 if (*s == NUL || p + 1 >= out + outlen) 3135 break; 3136 3137 /* 3138 * Handle one '%' item. 3139 */ 3140 s++; 3141 if (*s == '%') 3142 { 3143 if (p + 1 >= out + outlen) 3144 break; 3145 *p++ = *s++; 3146 prevchar_isflag = prevchar_isitem = FALSE; 3147 continue; 3148 } 3149 if (*s == STL_MIDDLEMARK) 3150 { 3151 s++; 3152 if (groupdepth > 0) 3153 continue; 3154 item[curitem].type = Middle; 3155 item[curitem++].start = p; 3156 continue; 3157 } 3158 if (*s == STL_TRUNCMARK) 3159 { 3160 s++; 3161 item[curitem].type = Trunc; 3162 item[curitem++].start = p; 3163 continue; 3164 } 3165 if (*s == ')') 3166 { 3167 s++; 3168 if (groupdepth < 1) 3169 continue; 3170 groupdepth--; 3171 3172 t = item[groupitem[groupdepth]].start; 3173 *p = NUL; 3174 l = vim_strsize(t); 3175 if (curitem > groupitem[groupdepth] + 1 3176 && item[groupitem[groupdepth]].minwid == 0) 3177 { 3178 /* remove group if all items are empty */ 3179 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3180 if (item[n].type == Normal) 3181 break; 3182 if (n == curitem) 3183 { 3184 p = t; 3185 l = 0; 3186 } 3187 } 3188 if (l > item[groupitem[groupdepth]].maxwid) 3189 { 3190 /* truncate, remove n bytes of text at the start */ 3191 #ifdef FEAT_MBYTE 3192 if (has_mbyte) 3193 { 3194 /* Find the first character that should be included. */ 3195 n = 0; 3196 while (l >= item[groupitem[groupdepth]].maxwid) 3197 { 3198 l -= ptr2cells(t + n); 3199 n += (*mb_ptr2len_check)(t + n); 3200 } 3201 } 3202 else 3203 #endif 3204 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3205 3206 *t = '<'; 3207 mch_memmove(t + 1, t + n, p - (t + n)); 3208 p = p - n + 1; 3209 #ifdef FEAT_MBYTE 3210 /* Fill up space left over by half a double-wide char. */ 3211 while (++l < item[groupitem[groupdepth]].minwid) 3212 *p++ = fillchar; 3213 #endif 3214 3215 /* correct the start of the items for the truncation */ 3216 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3217 { 3218 item[l].start -= n; 3219 if (item[l].start < t) 3220 item[l].start = t; 3221 } 3222 } 3223 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3224 { 3225 /* fill */ 3226 n = item[groupitem[groupdepth]].minwid; 3227 if (n < 0) 3228 { 3229 /* fill by appending characters */ 3230 n = 0 - n; 3231 while (l++ < n && p + 1 < out + outlen) 3232 *p++ = fillchar; 3233 } 3234 else 3235 { 3236 /* fill by inserting characters */ 3237 mch_memmove(t + n - l, t, p - t); 3238 l = n - l; 3239 if (p + l >= out + outlen) 3240 l = (out + outlen) - p - 1; 3241 p += l; 3242 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3243 item[n].start += l; 3244 for ( ; l > 0; l--) 3245 *t++ = fillchar; 3246 } 3247 } 3248 continue; 3249 } 3250 minwid = 0; 3251 maxwid = 9999; 3252 zeropad = FALSE; 3253 l = 1; 3254 if (*s == '0') 3255 { 3256 s++; 3257 zeropad = TRUE; 3258 } 3259 if (*s == '-') 3260 { 3261 s++; 3262 l = -1; 3263 } 3264 if (VIM_ISDIGIT(*s)) 3265 { 3266 minwid = (int)getdigits(&s); 3267 if (minwid < 0) /* overflow */ 3268 minwid = 0; 3269 } 3270 if (*s == STL_HIGHLIGHT) 3271 { 3272 item[curitem].type = Highlight; 3273 item[curitem].start = p; 3274 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3275 s++; 3276 curitem++; 3277 continue; 3278 } 3279 if (*s == '.') 3280 { 3281 s++; 3282 if (VIM_ISDIGIT(*s)) 3283 { 3284 maxwid = (int)getdigits(&s); 3285 if (maxwid <= 0) /* overflow */ 3286 maxwid = 50; 3287 } 3288 } 3289 minwid = (minwid > 50 ? 50 : minwid) * l; 3290 if (*s == '(') 3291 { 3292 groupitem[groupdepth++] = curitem; 3293 item[curitem].type = Group; 3294 item[curitem].start = p; 3295 item[curitem].minwid = minwid; 3296 item[curitem].maxwid = maxwid; 3297 s++; 3298 curitem++; 3299 continue; 3300 } 3301 if (vim_strchr(STL_ALL, *s) == NULL) 3302 { 3303 s++; 3304 continue; 3305 } 3306 opt = *s++; 3307 3308 /* OK - now for the real work */ 3309 base = 'D'; 3310 itemisflag = FALSE; 3311 fillable = TRUE; 3312 num = -1; 3313 str = NULL; 3314 switch (opt) 3315 { 3316 case STL_FILEPATH: 3317 case STL_FULLPATH: 3318 case STL_FILENAME: 3319 fillable = FALSE; /* don't change ' ' to fillchar */ 3320 if (buf_spname(wp->w_buffer) != NULL) 3321 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3322 else 3323 { 3324 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3325 : wp->w_buffer->b_fname; 3326 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3327 } 3328 trans_characters(NameBuff, MAXPATHL); 3329 if (opt != STL_FILENAME) 3330 str = NameBuff; 3331 else 3332 str = gettail(NameBuff); 3333 break; 3334 3335 case STL_VIM_EXPR: /* '{' */ 3336 itemisflag = TRUE; 3337 t = p; 3338 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3339 *p++ = *s++; 3340 if (*s != '}') /* missing '}' or out of space */ 3341 break; 3342 s++; 3343 *p = 0; 3344 p = t; 3345 3346 #ifdef FEAT_EVAL 3347 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3348 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3349 3350 o_curbuf = curbuf; 3351 o_curwin = curwin; 3352 curwin = wp; 3353 curbuf = wp->w_buffer; 3354 3355 str = eval_to_string_safe(p, &t); 3356 3357 curwin = o_curwin; 3358 curbuf = o_curbuf; 3359 do_unlet((char_u *)"g:actual_curbuf"); 3360 3361 if (str != NULL && *str != 0) 3362 { 3363 if (*skipdigits(str) == NUL) 3364 { 3365 num = atoi((char *)str); 3366 vim_free(str); 3367 str = NULL; 3368 itemisflag = FALSE; 3369 } 3370 } 3371 #endif 3372 break; 3373 3374 case STL_LINE: 3375 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3376 ? 0L : (long)(wp->w_cursor.lnum); 3377 break; 3378 3379 case STL_NUMLINES: 3380 num = wp->w_buffer->b_ml.ml_line_count; 3381 break; 3382 3383 case STL_COLUMN: 3384 num = !(State & INSERT) && empty_line 3385 ? 0 : (int)wp->w_cursor.col + 1; 3386 break; 3387 3388 case STL_VIRTCOL: 3389 case STL_VIRTCOL_ALT: 3390 /* In list mode virtcol needs to be recomputed */ 3391 virtcol = wp->w_virtcol; 3392 if (wp->w_p_list && lcs_tab1 == NUL) 3393 { 3394 wp->w_p_list = FALSE; 3395 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3396 wp->w_p_list = TRUE; 3397 } 3398 ++virtcol; 3399 /* Don't display %V if it's the same as %c. */ 3400 if (opt == STL_VIRTCOL_ALT 3401 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3402 ? 0 : (int)wp->w_cursor.col + 1))) 3403 break; 3404 num = (long)virtcol; 3405 break; 3406 3407 case STL_PERCENTAGE: 3408 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3409 (long)wp->w_buffer->b_ml.ml_line_count); 3410 break; 3411 3412 case STL_ALTPERCENT: 3413 str = tmp; 3414 get_rel_pos(wp, str); 3415 break; 3416 3417 case STL_ARGLISTSTAT: 3418 fillable = FALSE; 3419 tmp[0] = 0; 3420 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3421 str = tmp; 3422 break; 3423 3424 case STL_KEYMAP: 3425 fillable = FALSE; 3426 if (get_keymap_str(wp, tmp, TMPLEN)) 3427 str = tmp; 3428 break; 3429 case STL_PAGENUM: 3430 #ifdef FEAT_PRINTER 3431 num = get_printer_page_num(); 3432 #else 3433 num = 0; 3434 #endif 3435 break; 3436 3437 case STL_BUFNO: 3438 num = wp->w_buffer->b_fnum; 3439 break; 3440 3441 case STL_OFFSET_X: 3442 base = 'X'; 3443 case STL_OFFSET: 3444 #ifdef FEAT_BYTEOFF 3445 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3446 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3447 0L : l + 1 + (!(State & INSERT) && empty_line ? 3448 0 : (int)wp->w_cursor.col); 3449 #endif 3450 break; 3451 3452 case STL_BYTEVAL_X: 3453 base = 'X'; 3454 case STL_BYTEVAL: 3455 if (((State & INSERT) && wp == curwin) || empty_line) 3456 num = 0; 3457 else 3458 { 3459 #ifdef FEAT_MBYTE 3460 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3461 #else 3462 num = linecont[wp->w_cursor.col]; 3463 #endif 3464 } 3465 if (num == NL) 3466 num = 0; 3467 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3468 num = NL; 3469 break; 3470 3471 case STL_ROFLAG: 3472 case STL_ROFLAG_ALT: 3473 itemisflag = TRUE; 3474 if (wp->w_buffer->b_p_ro) 3475 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3476 break; 3477 3478 case STL_HELPFLAG: 3479 case STL_HELPFLAG_ALT: 3480 itemisflag = TRUE; 3481 if (wp->w_buffer->b_help) 3482 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3483 : _("[help]")); 3484 break; 3485 3486 #ifdef FEAT_AUTOCMD 3487 case STL_FILETYPE: 3488 if (*wp->w_buffer->b_p_ft != NUL 3489 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3490 { 3491 sprintf((char *)tmp, "[%s]", wp->w_buffer->b_p_ft); 3492 str = tmp; 3493 } 3494 break; 3495 3496 case STL_FILETYPE_ALT: 3497 itemisflag = TRUE; 3498 if (*wp->w_buffer->b_p_ft != NUL 3499 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3500 { 3501 sprintf((char *)tmp, ",%s", wp->w_buffer->b_p_ft); 3502 for (t = tmp; *t != 0; t++) 3503 *t = TOUPPER_LOC(*t); 3504 str = tmp; 3505 } 3506 break; 3507 #endif 3508 3509 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3510 case STL_PREVIEWFLAG: 3511 case STL_PREVIEWFLAG_ALT: 3512 itemisflag = TRUE; 3513 if (wp->w_p_pvw) 3514 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3515 : _("[Preview]")); 3516 break; 3517 #endif 3518 3519 case STL_MODIFIED: 3520 case STL_MODIFIED_ALT: 3521 itemisflag = TRUE; 3522 switch ((opt == STL_MODIFIED_ALT) 3523 + bufIsChanged(wp->w_buffer) * 2 3524 + (!wp->w_buffer->b_p_ma) * 4) 3525 { 3526 case 2: str = (char_u *)"[+]"; break; 3527 case 3: str = (char_u *)",+"; break; 3528 case 4: str = (char_u *)"[-]"; break; 3529 case 5: str = (char_u *)",-"; break; 3530 case 6: str = (char_u *)"[+-]"; break; 3531 case 7: str = (char_u *)",+-"; break; 3532 } 3533 break; 3534 } 3535 3536 item[curitem].start = p; 3537 item[curitem].type = Normal; 3538 if (str != NULL && *str) 3539 { 3540 t = str; 3541 if (itemisflag) 3542 { 3543 if ((t[0] && t[1]) 3544 && ((!prevchar_isitem && *t == ',') 3545 || (prevchar_isflag && *t == ' '))) 3546 t++; 3547 prevchar_isflag = TRUE; 3548 } 3549 l = vim_strsize(t); 3550 if (l > 0) 3551 prevchar_isitem = TRUE; 3552 if (l > maxwid) 3553 { 3554 while (l >= maxwid) 3555 #ifdef FEAT_MBYTE 3556 if (has_mbyte) 3557 { 3558 l -= ptr2cells(t); 3559 t += (*mb_ptr2len_check)(t); 3560 } 3561 else 3562 #endif 3563 l -= byte2cells(*t++); 3564 if (p + 1 >= out + outlen) 3565 break; 3566 *p++ = '<'; 3567 } 3568 if (minwid > 0) 3569 { 3570 for (; l < minwid && p + 1 < out + outlen; l++) 3571 { 3572 /* Don't put a "-" in front of a digit. */ 3573 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3574 *p++ = ' '; 3575 else 3576 *p++ = fillchar; 3577 } 3578 minwid = 0; 3579 } 3580 else 3581 minwid *= -1; 3582 while (*t && p + 1 < out + outlen) 3583 { 3584 *p++ = *t++; 3585 /* Change a space by fillchar, unless fillchar is '-' and a 3586 * digit follows. */ 3587 if (fillable && p[-1] == ' ' 3588 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3589 p[-1] = fillchar; 3590 } 3591 for (; l < minwid && p + 1 < out + outlen; l++) 3592 *p++ = fillchar; 3593 } 3594 else if (num >= 0) 3595 { 3596 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3597 char_u nstr[20]; 3598 3599 if (p + 20 >= out + outlen) 3600 break; /* not sufficient space */ 3601 prevchar_isitem = TRUE; 3602 t = nstr; 3603 if (opt == STL_VIRTCOL_ALT) 3604 { 3605 *t++ = '-'; 3606 minwid--; 3607 } 3608 *t++ = '%'; 3609 if (zeropad) 3610 *t++ = '0'; 3611 *t++ = '*'; 3612 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3613 *t = 0; 3614 3615 for (n = num, l = 1; n >= nbase; n /= nbase) 3616 l++; 3617 if (opt == STL_VIRTCOL_ALT) 3618 l++; 3619 if (l > maxwid) 3620 { 3621 l += 2; 3622 n = l - maxwid; 3623 while (l-- > maxwid) 3624 num /= nbase; 3625 *t++ = '>'; 3626 *t++ = '%'; 3627 *t = t[-3]; 3628 *++t = 0; 3629 sprintf((char *)p, (char *)nstr, 0, num, n); 3630 } 3631 else 3632 sprintf((char *)p, (char *)nstr, minwid, num); 3633 p += STRLEN(p); 3634 } 3635 else 3636 item[curitem].type = Empty; 3637 3638 if (opt == STL_VIM_EXPR) 3639 vim_free(str); 3640 3641 if (num >= 0 || (!itemisflag && str && *str)) 3642 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3643 curitem++; 3644 } 3645 *p = NUL; 3646 itemcnt = curitem; 3647 3648 width = vim_strsize(out); 3649 if (maxwidth > 0 && width > maxwidth) 3650 { 3651 /* Result is too long, must trunctate somewhere. */ 3652 l = 0; 3653 if (itemcnt == 0) 3654 s = out; 3655 else 3656 { 3657 for ( ; l < itemcnt; l++) 3658 if (item[l].type == Trunc) 3659 { 3660 /* Truncate at %< item. */ 3661 s = item[l].start; 3662 break; 3663 } 3664 if (l == itemcnt) 3665 { 3666 /* No %< item, truncate first item. */ 3667 s = item[0].start; 3668 l = 0; 3669 } 3670 } 3671 3672 if (width - vim_strsize(s) >= maxwidth) 3673 { 3674 /* Truncation mark is beyond max length */ 3675 #ifdef FEAT_MBYTE 3676 if (has_mbyte) 3677 { 3678 s = out; 3679 width = 0; 3680 for (;;) 3681 { 3682 width += ptr2cells(s); 3683 if (width >= maxwidth) 3684 break; 3685 s += (*mb_ptr2len_check)(s); 3686 } 3687 /* Fill up for half a double-wide character. */ 3688 while (++width < maxwidth) 3689 *s++ = fillchar; 3690 } 3691 else 3692 #endif 3693 s = out + maxwidth - 1; 3694 for (l = 0; l < itemcnt; l++) 3695 if (item[l].start > s) 3696 break; 3697 itemcnt = l; 3698 *s++ = '>'; 3699 *s = 0; 3700 } 3701 else 3702 { 3703 #ifdef FEAT_MBYTE 3704 if (has_mbyte) 3705 { 3706 n = 0; 3707 while (width >= maxwidth) 3708 { 3709 width -= ptr2cells(s + n); 3710 n += (*mb_ptr2len_check)(s + n); 3711 } 3712 } 3713 else 3714 #endif 3715 n = width - maxwidth + 1; 3716 p = s + n; 3717 mch_memmove(s + 1, p, STRLEN(p) + 1); 3718 *s = '<'; 3719 3720 /* Fill up for half a double-wide character. */ 3721 while (++width < maxwidth) 3722 { 3723 s = s + STRLEN(s); 3724 *s++ = fillchar; 3725 *s = NUL; 3726 } 3727 3728 --n; /* count the '<' */ 3729 for (; l < itemcnt; l++) 3730 { 3731 if (item[l].start - n >= s) 3732 item[l].start -= n; 3733 else 3734 item[l].start = s; 3735 } 3736 } 3737 width = maxwidth; 3738 } 3739 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3740 { 3741 /* Apply STL_MIDDLE if any */ 3742 for (l = 0; l < itemcnt; l++) 3743 if (item[l].type == Middle) 3744 break; 3745 if (l < itemcnt) 3746 { 3747 p = item[l].start + maxwidth - width; 3748 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3749 for (s = item[l].start; s < p; s++) 3750 *s = fillchar; 3751 for (l++; l < itemcnt; l++) 3752 item[l].start += maxwidth - width; 3753 width = maxwidth; 3754 } 3755 } 3756 3757 if (hl != NULL) 3758 { 3759 for (l = 0; l < itemcnt; l++) 3760 { 3761 if (item[l].type == Highlight) 3762 { 3763 hl->start = item[l].start; 3764 hl->userhl = item[l].minwid; 3765 hl++; 3766 } 3767 } 3768 hl->start = NULL; 3769 hl->userhl = 0; 3770 } 3771 3772 return width; 3773 } 3774 #endif /* FEAT_STL_OPT */ 3775 3776 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3777 /* 3778 * Get relative cursor position in window, in the form 99%, using "Top", "Bot" 3779 * or "All" when appropriate. 3780 */ 3781 void 3782 get_rel_pos(wp, str) 3783 win_T *wp; 3784 char_u *str; 3785 { 3786 long above; /* number of lines above window */ 3787 long below; /* number of lines below window */ 3788 3789 above = wp->w_topline - 1; 3790 #ifdef FEAT_DIFF 3791 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3792 #endif 3793 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3794 if (below <= 0) 3795 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3796 else if (above <= 0) 3797 STRCPY(str, _("Top")); 3798 else 3799 sprintf((char *)str, "%2d%%", above > 1000000L 3800 ? (int)(above / ((above + below) / 100L)) 3801 : (int)(above * 100L / (above + below))); 3802 } 3803 #endif 3804 3805 /* 3806 * Append (file 2 of 8) to 'buf', if editing more than one file. 3807 * Return TRUE if it was appended. 3808 */ 3809 int 3810 append_arg_number(wp, buf, add_file, maxlen) 3811 win_T *wp; 3812 char_u *buf; 3813 int add_file; /* Add "file" before the arg number */ 3814 int maxlen; /* maximum nr of chars in buf or zero*/ 3815 { 3816 char_u *p; 3817 3818 if (ARGCOUNT <= 1) /* nothing to do */ 3819 return FALSE; 3820 3821 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3822 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3823 return FALSE; 3824 *p++ = ' '; 3825 *p++ = '('; 3826 if (add_file) 3827 { 3828 STRCPY(p, "file "); 3829 p += 5; 3830 } 3831 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3832 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3833 return TRUE; 3834 } 3835 3836 /* 3837 * If fname is not a full path, make it a full path. 3838 * Returns pointer to allocated memory (NULL for failure). 3839 */ 3840 char_u * 3841 fix_fname(fname) 3842 char_u *fname; 3843 { 3844 /* 3845 * Force expanding the path always for Unix, because symbolic links may 3846 * mess up the full path name, even though it starts with a '/'. 3847 * Also expand when there is ".." in the file name, try to remove it, 3848 * because "c:/src/../README" is equal to "c:/README". 3849 * For MS-Windows also expand names like "longna~1" to "longname". 3850 */ 3851 #ifdef UNIX 3852 return FullName_save(fname, TRUE); 3853 #else 3854 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 3855 #if defined(MSWIN) || defined(DJGPP) 3856 || vim_strchr(fname, '~') != NULL 3857 #endif 3858 ) 3859 return FullName_save(fname, FALSE); 3860 3861 fname = vim_strsave(fname); 3862 3863 #ifdef USE_FNAME_CASE 3864 # ifdef USE_LONG_FNAME 3865 if (USE_LONG_FNAME) 3866 # endif 3867 { 3868 if (fname != NULL) 3869 fname_case(fname, 0); /* set correct case for file name */ 3870 } 3871 #endif 3872 3873 return fname; 3874 #endif 3875 } 3876 3877 /* 3878 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 3879 * "ffname" becomes a pointer to allocated memory (or NULL). 3880 */ 3881 /*ARGSUSED*/ 3882 void 3883 fname_expand(buf, ffname, sfname) 3884 buf_T *buf; 3885 char_u **ffname; 3886 char_u **sfname; 3887 { 3888 if (*ffname == NULL) /* if no file name given, nothing to do */ 3889 return; 3890 if (*sfname == NULL) /* if no short file name given, use ffname */ 3891 *sfname = *ffname; 3892 *ffname = fix_fname(*ffname); /* expand to full path */ 3893 3894 #ifdef FEAT_SHORTCUT 3895 if (!buf->b_p_bin) 3896 { 3897 char_u *rfname = NULL; 3898 3899 /* If the file name is a shortcut file, use the file it links to. */ 3900 rfname = mch_resolve_shortcut(*ffname); 3901 if (rfname) 3902 { 3903 vim_free(*ffname); 3904 *ffname = rfname; 3905 *sfname = rfname; 3906 } 3907 } 3908 #endif 3909 } 3910 3911 /* 3912 * Get the file name for an argument list entry. 3913 */ 3914 char_u * 3915 alist_name(aep) 3916 aentry_T *aep; 3917 { 3918 buf_T *bp; 3919 3920 /* Use the name from the associated buffer if it exists. */ 3921 bp = buflist_findnr(aep->ae_fnum); 3922 if (bp == NULL) 3923 return aep->ae_fname; 3924 return bp->b_fname; 3925 } 3926 3927 #if defined(FEAT_WINDOWS) || defined(PROTO) 3928 /* 3929 * do_arg_all(): Open up to 'count' windows, one for each argument. 3930 */ 3931 void 3932 do_arg_all(count, forceit) 3933 int count; 3934 int forceit; /* hide buffers in current windows */ 3935 { 3936 int i; 3937 win_T *wp, *wpnext; 3938 char_u *opened; /* array of flags for which args are open */ 3939 int opened_len; /* lenght of opened[] */ 3940 int use_firstwin = FALSE; /* use first window for arglist */ 3941 int split_ret = OK; 3942 int p_ea_save; 3943 alist_T *alist; /* argument list to be used */ 3944 buf_T *buf; 3945 3946 if (ARGCOUNT <= 0) 3947 { 3948 /* Don't give an error message. We don't want it when the ":all" 3949 * command is in the .vimrc. */ 3950 return; 3951 } 3952 setpcmark(); 3953 3954 opened_len = ARGCOUNT; 3955 opened = alloc_clear((unsigned)opened_len); 3956 if (opened == NULL) 3957 return; 3958 3959 #ifdef FEAT_GUI 3960 need_mouse_correct = TRUE; 3961 #endif 3962 3963 /* 3964 * Try closing all windows that are not in the argument list. 3965 * Also close windows that are not full width; 3966 * When 'hidden' or "forceit" set the buffer becomes hidden. 3967 * Windows that have a changed buffer and can't be hidden won't be closed. 3968 */ 3969 for (wp = firstwin; wp != NULL; wp = wpnext) 3970 { 3971 wpnext = wp->w_next; 3972 buf = wp->w_buffer; 3973 if (buf->b_ffname == NULL 3974 || buf->b_nwindows > 1 3975 #ifdef FEAT_VERTSPLIT 3976 || wp->w_width != Columns 3977 #endif 3978 ) 3979 i = ARGCOUNT; 3980 else 3981 { 3982 /* check if the buffer in this window is in the arglist */ 3983 for (i = 0; i < ARGCOUNT; ++i) 3984 { 3985 if (ARGLIST[i].ae_fnum == buf->b_fnum 3986 || fullpathcmp(alist_name(&ARGLIST[i]), 3987 buf->b_ffname, TRUE) & FPC_SAME) 3988 { 3989 if (i < opened_len) 3990 opened[i] = TRUE; 3991 if (wp->w_alist != curwin->w_alist) 3992 { 3993 /* Use the current argument list for all windows 3994 * containing a file from it. */ 3995 alist_unlink(wp->w_alist); 3996 wp->w_alist = curwin->w_alist; 3997 ++wp->w_alist->al_refcount; 3998 } 3999 break; 4000 } 4001 } 4002 } 4003 wp->w_arg_idx = i; 4004 4005 if (i == ARGCOUNT) /* close this window */ 4006 { 4007 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4008 || !bufIsChanged(buf)) 4009 { 4010 /* If the buffer was changed, and we would like to hide it, 4011 * try autowriting. */ 4012 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4013 { 4014 (void)autowrite(buf, FALSE); 4015 #ifdef FEAT_AUTOCMD 4016 /* check if autocommands removed the window */ 4017 if (!win_valid(wp) || !buf_valid(buf)) 4018 { 4019 wpnext = firstwin; /* start all over... */ 4020 continue; 4021 } 4022 #endif 4023 } 4024 #ifdef FEAT_WINDOWS 4025 if (firstwin == lastwin) /* can't close last window */ 4026 #endif 4027 use_firstwin = TRUE; 4028 #ifdef FEAT_WINDOWS 4029 else 4030 { 4031 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4032 # ifdef FEAT_AUTOCMD 4033 /* check if autocommands removed the next window */ 4034 if (!win_valid(wpnext)) 4035 wpnext = firstwin; /* start all over... */ 4036 # endif 4037 } 4038 #endif 4039 } 4040 } 4041 } 4042 4043 /* 4044 * Open a window for files in the argument list that don't have one. 4045 * ARGCOUNT may change while doing this, because of autocommands. 4046 */ 4047 if (count > ARGCOUNT || count <= 0) 4048 count = ARGCOUNT; 4049 4050 /* Autocommands may do anything to the argument list. Make sure it's not 4051 * freed while we are working here by "locking" it. We still have to 4052 * watch out for its size to be changed. */ 4053 alist = curwin->w_alist; 4054 ++alist->al_refcount; 4055 4056 #ifdef FEAT_AUTOCMD 4057 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4058 ++autocmd_no_enter; 4059 ++autocmd_no_leave; 4060 #endif 4061 win_enter(lastwin, FALSE); 4062 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4063 { 4064 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4065 arg_had_last = TRUE; 4066 if (i < opened_len && opened[i]) 4067 { 4068 /* Move the already present window to below the current window */ 4069 if (curwin->w_arg_idx != i) 4070 { 4071 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4072 { 4073 if (wpnext->w_arg_idx == i) 4074 { 4075 win_move_after(wpnext, curwin); 4076 break; 4077 } 4078 } 4079 } 4080 } 4081 else if (split_ret == OK) 4082 { 4083 if (!use_firstwin) /* split current window */ 4084 { 4085 p_ea_save = p_ea; 4086 p_ea = TRUE; /* use space from all windows */ 4087 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4088 p_ea = p_ea_save; 4089 if (split_ret == FAIL) 4090 continue; 4091 } 4092 #ifdef FEAT_AUTOCMD 4093 else /* first window: do autocmd for leaving this buffer */ 4094 --autocmd_no_leave; 4095 #endif 4096 4097 /* 4098 * edit file i 4099 */ 4100 curwin->w_arg_idx = i; 4101 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4102 ECMD_ONE, 4103 ((P_HID(curwin->w_buffer) 4104 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4105 + ECMD_OLDBUF); 4106 #ifdef FEAT_AUTOCMD 4107 if (use_firstwin) 4108 ++autocmd_no_leave; 4109 #endif 4110 use_firstwin = FALSE; 4111 } 4112 ui_breakcheck(); 4113 } 4114 4115 /* Remove the "lock" on the argument list. */ 4116 alist_unlink(alist); 4117 4118 #ifdef FEAT_AUTOCMD 4119 --autocmd_no_enter; 4120 #endif 4121 win_enter(firstwin, FALSE); /* back to first window */ 4122 #ifdef FEAT_AUTOCMD 4123 --autocmd_no_leave; 4124 #endif 4125 vim_free(opened); 4126 } 4127 4128 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4129 /* 4130 * Open a window for a number of buffers. 4131 */ 4132 void 4133 ex_buffer_all(eap) 4134 exarg_T *eap; 4135 { 4136 buf_T *buf; 4137 win_T *wp, *wpnext; 4138 int split_ret = OK; 4139 int p_ea_save; 4140 int open_wins = 0; 4141 int r; 4142 int count; /* Maximum number of windows to open. */ 4143 int all; /* When TRUE also load inactive buffers. */ 4144 4145 if (eap->addr_count == 0) /* make as many windows as possible */ 4146 count = 9999; 4147 else 4148 count = eap->line2; /* make as many windows as specified */ 4149 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4150 all = FALSE; 4151 else 4152 all = TRUE; 4153 4154 setpcmark(); 4155 4156 #ifdef FEAT_GUI 4157 need_mouse_correct = TRUE; 4158 #endif 4159 4160 /* 4161 * Close superfluous windows (two windows for the same buffer). 4162 * Also close windows that are not full-width. 4163 */ 4164 for (wp = firstwin; wp != NULL; wp = wpnext) 4165 { 4166 wpnext = wp->w_next; 4167 if (wp->w_buffer->b_nwindows > 1 4168 #ifdef FEAT_VERTSPLIT 4169 || ((cmdmod.split & WSP_VERT) 4170 ? wp->w_height + wp->w_status_height < Rows - p_ch 4171 : wp->w_width != Columns) 4172 #endif 4173 ) 4174 { 4175 win_close(wp, FALSE); 4176 #ifdef FEAT_AUTOCMD 4177 wpnext = firstwin; /* just in case an autocommand does something 4178 strange with windows */ 4179 open_wins = 0; 4180 #endif 4181 } 4182 else 4183 ++open_wins; 4184 } 4185 4186 /* 4187 * Go through the buffer list. When a buffer doesn't have a window yet, 4188 * open one. Otherwise move the window to the right position. 4189 * Watch out for autocommands that delete buffers or windows! 4190 */ 4191 #ifdef FEAT_AUTOCMD 4192 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4193 ++autocmd_no_enter; 4194 #endif 4195 win_enter(lastwin, FALSE); 4196 #ifdef FEAT_AUTOCMD 4197 ++autocmd_no_leave; 4198 #endif 4199 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4200 { 4201 /* Check if this buffer needs a window */ 4202 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4203 continue; 4204 4205 /* Check if this buffer already has a window */ 4206 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4207 if (wp->w_buffer == buf) 4208 break; 4209 /* If the buffer already has a window, move it */ 4210 if (wp != NULL) 4211 win_move_after(wp, curwin); 4212 else if (split_ret == OK) 4213 { 4214 /* Split the window and put the buffer in it */ 4215 p_ea_save = p_ea; 4216 p_ea = TRUE; /* use space from all windows */ 4217 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4218 ++open_wins; 4219 p_ea = p_ea_save; 4220 if (split_ret == FAIL) 4221 continue; 4222 4223 /* Open the buffer in this window. */ 4224 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4225 swap_exists_action = SEA_DIALOG; 4226 #endif 4227 set_curbuf(buf, DOBUF_GOTO); 4228 #ifdef FEAT_AUTOCMD 4229 # ifdef FEAT_EVAL 4230 /* Autocommands deleted the buffer or aborted script 4231 * processing!!! */ 4232 if (!buf_valid(buf) || aborting()) 4233 # else 4234 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4235 # endif 4236 { 4237 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4238 swap_exists_action = SEA_NONE; 4239 #endif 4240 break; 4241 } 4242 #endif 4243 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4244 if (swap_exists_action == SEA_QUIT) 4245 { 4246 /* User selected Quit at ATTENTION prompt; close this window. */ 4247 win_close(curwin, TRUE); 4248 --open_wins; 4249 swap_exists_action = SEA_NONE; 4250 } 4251 else 4252 handle_swap_exists(NULL); 4253 #endif 4254 } 4255 4256 ui_breakcheck(); 4257 if (got_int) 4258 { 4259 (void)vgetc(); /* only break the file loading, not the rest */ 4260 break; 4261 } 4262 } 4263 #ifdef FEAT_AUTOCMD 4264 --autocmd_no_enter; 4265 #endif 4266 win_enter(firstwin, FALSE); /* back to first window */ 4267 #ifdef FEAT_AUTOCMD 4268 --autocmd_no_leave; 4269 #endif 4270 4271 /* 4272 * Close superfluous windows. 4273 */ 4274 for (wp = lastwin; open_wins > count; ) 4275 { 4276 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4277 || autowrite(wp->w_buffer, FALSE) == OK); 4278 #ifdef FEAT_AUTOCMD 4279 if (!win_valid(wp)) 4280 { 4281 /* BufWrite Autocommands made the window invalid, start over */ 4282 wp = lastwin; 4283 } 4284 else 4285 #endif 4286 if (r) 4287 { 4288 win_close(wp, !P_HID(wp->w_buffer)); 4289 --open_wins; 4290 wp = lastwin; 4291 } 4292 else 4293 { 4294 wp = wp->w_prev; 4295 if (wp == NULL) 4296 break; 4297 } 4298 } 4299 } 4300 # endif /* FEAT_LISTCMDS */ 4301 4302 #endif /* FEAT_WINDOWS */ 4303 4304 /* 4305 * do_modelines() - process mode lines for the current file 4306 * 4307 * Returns immediately if the "ml" option isn't set. 4308 */ 4309 static int chk_modeline __ARGS((linenr_T)); 4310 4311 void 4312 do_modelines() 4313 { 4314 linenr_T lnum; 4315 int nmlines; 4316 static int entered = 0; 4317 4318 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4319 return; 4320 4321 /* Disallow recursive entry here. Can happen when executing a modeline 4322 * triggers an autocommand, which reloads modelines with a ":do". */ 4323 if (entered) 4324 return; 4325 4326 ++entered; 4327 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4328 ++lnum) 4329 if (chk_modeline(lnum) == FAIL) 4330 nmlines = 0; 4331 4332 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4333 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4334 if (chk_modeline(lnum) == FAIL) 4335 nmlines = 0; 4336 --entered; 4337 } 4338 4339 #include "version.h" /* for version number */ 4340 4341 /* 4342 * chk_modeline() - check a single line for a mode string 4343 * Return FAIL if an error encountered. 4344 */ 4345 static int 4346 chk_modeline(lnum) 4347 linenr_T lnum; 4348 { 4349 char_u *s; 4350 char_u *e; 4351 char_u *linecopy; /* local copy of any modeline found */ 4352 int prev; 4353 int vers; 4354 int end; 4355 int retval = OK; 4356 char_u *save_sourcing_name; 4357 linenr_T save_sourcing_lnum; 4358 #ifdef FEAT_EVAL 4359 scid_T save_SID; 4360 #endif 4361 4362 prev = -1; 4363 for (s = ml_get(lnum); *s != NUL; ++s) 4364 { 4365 if (prev == -1 || vim_isspace(prev)) 4366 { 4367 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4368 || STRNCMP(s, "vi:", (size_t)3) == 0) 4369 break; 4370 if (STRNCMP(s, "vim", 3) == 0) 4371 { 4372 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4373 e = s + 4; 4374 else 4375 e = s + 3; 4376 vers = getdigits(&e); 4377 if (*e == ':' 4378 && (s[3] == ':' 4379 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4380 || (VIM_VERSION_100 < vers && s[3] == '<') 4381 || (VIM_VERSION_100 > vers && s[3] == '>') 4382 || (VIM_VERSION_100 == vers && s[3] == '='))) 4383 break; 4384 } 4385 } 4386 prev = *s; 4387 } 4388 4389 if (*s) 4390 { 4391 do /* skip over "ex:", "vi:" or "vim:" */ 4392 ++s; 4393 while (s[-1] != ':'); 4394 4395 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4396 if (linecopy == NULL) 4397 return FAIL; 4398 4399 save_sourcing_lnum = sourcing_lnum; 4400 save_sourcing_name = sourcing_name; 4401 sourcing_lnum = lnum; /* prepare for emsg() */ 4402 sourcing_name = (char_u *)"modelines"; 4403 4404 end = FALSE; 4405 while (end == FALSE) 4406 { 4407 s = skipwhite(s); 4408 if (*s == NUL) 4409 break; 4410 4411 /* 4412 * Find end of set command: ':' or end of line. 4413 * Skip over "\:", replacing it with ":". 4414 */ 4415 for (e = s; *e != ':' && *e != NUL; ++e) 4416 if (e[0] == '\\' && e[1] == ':') 4417 STRCPY(e, e + 1); 4418 if (*e == NUL) 4419 end = TRUE; 4420 4421 /* 4422 * If there is a "set" command, require a terminating ':' and 4423 * ignore the stuff after the ':'. 4424 * "vi:set opt opt opt: foo" -- foo not interpreted 4425 * "vi:opt opt opt: foo" -- foo interpreted 4426 * Accept "se" for compatibility with Elvis. 4427 */ 4428 if (STRNCMP(s, "set ", (size_t)4) == 0 4429 || STRNCMP(s, "se ", (size_t)3) == 0) 4430 { 4431 if (*e != ':') /* no terminating ':'? */ 4432 break; 4433 end = TRUE; 4434 s = vim_strchr(s, ' ') + 1; 4435 } 4436 *e = NUL; /* truncate the set command */ 4437 4438 if (*s != NUL) /* skip over an empty "::" */ 4439 { 4440 #ifdef FEAT_EVAL 4441 save_SID = current_SID; 4442 current_SID = SID_MODELINE; 4443 #endif 4444 retval = do_set(s, OPT_MODELINE | OPT_LOCAL); 4445 #ifdef FEAT_EVAL 4446 current_SID = save_SID; 4447 #endif 4448 if (retval == FAIL) /* stop if error found */ 4449 break; 4450 } 4451 s = e + 1; /* advance to next part */ 4452 } 4453 4454 sourcing_lnum = save_sourcing_lnum; 4455 sourcing_name = save_sourcing_name; 4456 4457 vim_free(linecopy); 4458 } 4459 return retval; 4460 } 4461 4462 #ifdef FEAT_VIMINFO 4463 int 4464 read_viminfo_bufferlist(virp, writing) 4465 vir_T *virp; 4466 int writing; 4467 { 4468 char_u *tab; 4469 linenr_T lnum; 4470 colnr_T col; 4471 buf_T *buf; 4472 char_u *sfname; 4473 char_u *xline; 4474 4475 /* Handle long line and escaped characters. */ 4476 xline = viminfo_readstring(virp, 1, FALSE); 4477 4478 /* don't read in if there are files on the command-line or if writing: */ 4479 if (xline != NULL && !writing && ARGCOUNT == 0 4480 && find_viminfo_parameter('%') != NULL) 4481 { 4482 /* Format is: <fname> Tab <lnum> Tab <col>. 4483 * Watch out for a Tab in the file name, work from the end. */ 4484 lnum = 0; 4485 col = 0; 4486 tab = vim_strrchr(xline, '\t'); 4487 if (tab != NULL) 4488 { 4489 *tab++ = '\0'; 4490 col = atoi((char *)tab); 4491 tab = vim_strrchr(xline, '\t'); 4492 if (tab != NULL) 4493 { 4494 *tab++ = '\0'; 4495 lnum = atol((char *)tab); 4496 } 4497 } 4498 4499 /* Expand "~/" in the file name at "line + 1" to a full path. 4500 * Then try shortening it by comparing with the current directory */ 4501 expand_env(xline, NameBuff, MAXPATHL); 4502 mch_dirname(IObuff, IOSIZE); 4503 sfname = shorten_fname(NameBuff, IObuff); 4504 if (sfname == NULL) 4505 sfname = NameBuff; 4506 4507 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4508 if (buf != NULL) /* just in case... */ 4509 { 4510 buf->b_last_cursor.lnum = lnum; 4511 buf->b_last_cursor.col = col; 4512 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4513 } 4514 } 4515 vim_free(xline); 4516 4517 return viminfo_readline(virp); 4518 } 4519 4520 void 4521 write_viminfo_bufferlist(fp) 4522 FILE *fp; 4523 { 4524 buf_T *buf; 4525 #ifdef FEAT_WINDOWS 4526 win_T *win; 4527 #endif 4528 char_u *line; 4529 4530 if (find_viminfo_parameter('%') == NULL) 4531 return; 4532 4533 /* Allocate room for the file name, lnum and col. */ 4534 line = alloc(MAXPATHL + 30); 4535 if (line == NULL) 4536 return; 4537 4538 #ifdef FEAT_WINDOWS 4539 for (win = firstwin; win != NULL; win = win->w_next) 4540 set_last_cursor(win); 4541 #else 4542 set_last_cursor(curwin); 4543 #endif 4544 4545 fprintf(fp, _("\n# Buffer list:\n")); 4546 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4547 { 4548 if (buf->b_fname == NULL 4549 || !buf->b_p_bl 4550 #ifdef FEAT_QUICKFIX 4551 || bt_quickfix(buf) 4552 #endif 4553 || removable(buf->b_ffname)) 4554 continue; 4555 4556 putc('%', fp); 4557 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4558 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4559 (long)buf->b_last_cursor.lnum, 4560 buf->b_last_cursor.col); 4561 viminfo_writestring(fp, line); 4562 } 4563 vim_free(line); 4564 } 4565 #endif 4566 4567 4568 /* 4569 * Return special buffer name. 4570 * Returns NULL when the buffer has a normal file name. 4571 */ 4572 char * 4573 buf_spname(buf) 4574 buf_T *buf; 4575 { 4576 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4577 if (bt_quickfix(buf)) 4578 return _("[Error List]"); 4579 #endif 4580 #ifdef FEAT_QUICKFIX 4581 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4582 * contains the name as specified by the user */ 4583 if (bt_nofile(buf)) 4584 { 4585 if (buf->b_sfname != NULL) 4586 return (char *)buf->b_sfname; 4587 return "[Scratch]"; 4588 } 4589 #endif 4590 if (buf->b_fname == NULL) 4591 return _("[No Name]"); 4592 return NULL; 4593 } 4594 4595 4596 #if defined(FEAT_SIGNS) || defined(PROTO) 4597 /* 4598 * Insert the sign into the signlist. 4599 */ 4600 static void 4601 insert_sign(buf, prev, next, id, lnum, typenr) 4602 buf_T *buf; /* buffer to store sign in */ 4603 signlist_T *prev; /* previous sign entry */ 4604 signlist_T *next; /* next sign entry */ 4605 int id; /* sign ID */ 4606 linenr_T lnum; /* line number which gets the mark */ 4607 int typenr; /* typenr of sign we are adding */ 4608 { 4609 signlist_T *newsign; 4610 4611 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4612 if (newsign != NULL) 4613 { 4614 newsign->id = id; 4615 newsign->lnum = lnum; 4616 newsign->typenr = typenr; 4617 newsign->next = next; 4618 #ifdef FEAT_NETBEANS_INTG 4619 newsign->prev = prev; 4620 if (next != NULL) 4621 next->prev = newsign; 4622 #endif 4623 4624 if (prev == NULL) 4625 { 4626 /* When adding first sign need to redraw the windows to create the 4627 * column for signs. */ 4628 if (buf->b_signlist == NULL) 4629 { 4630 redraw_buf_later(buf, NOT_VALID); 4631 changed_cline_bef_curs(); 4632 } 4633 4634 /* first sign in signlist */ 4635 buf->b_signlist = newsign; 4636 } 4637 else 4638 prev->next = newsign; 4639 } 4640 } 4641 4642 /* 4643 * Add the sign into the signlist. Find the right spot to do it though. 4644 */ 4645 void 4646 buf_addsign(buf, id, lnum, typenr) 4647 buf_T *buf; /* buffer to store sign in */ 4648 int id; /* sign ID */ 4649 linenr_T lnum; /* line number which gets the mark */ 4650 int typenr; /* typenr of sign we are adding */ 4651 { 4652 signlist_T *sign; /* a sign in the signlist */ 4653 signlist_T *prev; /* the previous sign */ 4654 4655 prev = NULL; 4656 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4657 { 4658 if (lnum == sign->lnum && id == sign->id) 4659 { 4660 sign->typenr = typenr; 4661 return; 4662 } 4663 else if ( 4664 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4665 id < 0 && 4666 #endif 4667 lnum < sign->lnum) 4668 { 4669 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4670 /* XXX - GRP: Is this because of sign slide problem? Or is it 4671 * really needed? Or is it because we allow multiple signs per 4672 * line? If so, should I add that feature to FEAT_SIGNS? 4673 */ 4674 while (prev != NULL && prev->lnum == lnum) 4675 prev = prev->prev; 4676 if (prev == NULL) 4677 sign = buf->b_signlist; 4678 else 4679 sign = prev->next; 4680 #endif 4681 insert_sign(buf, prev, sign, id, lnum, typenr); 4682 return; 4683 } 4684 prev = sign; 4685 } 4686 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4687 /* XXX - GRP: See previous comment */ 4688 while (prev != NULL && prev->lnum == lnum) 4689 prev = prev->prev; 4690 if (prev == NULL) 4691 sign = buf->b_signlist; 4692 else 4693 sign = prev->next; 4694 #endif 4695 insert_sign(buf, prev, sign, id, lnum, typenr); 4696 4697 return; 4698 } 4699 4700 int 4701 buf_change_sign_type(buf, markId, typenr) 4702 buf_T *buf; /* buffer to store sign in */ 4703 int markId; /* sign ID */ 4704 int typenr; /* typenr of sign we are adding */ 4705 { 4706 signlist_T *sign; /* a sign in the signlist */ 4707 4708 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4709 { 4710 if (sign->id == markId) 4711 { 4712 sign->typenr = typenr; 4713 return sign->lnum; 4714 } 4715 } 4716 4717 return 0; 4718 } 4719 4720 int_u 4721 buf_getsigntype(buf, lnum, type) 4722 buf_T *buf; 4723 linenr_T lnum; 4724 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4725 { 4726 signlist_T *sign; /* a sign in a b_signlist */ 4727 4728 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4729 if (sign->lnum == lnum 4730 && (type == SIGN_ANY 4731 # ifdef FEAT_SIGN_ICONS 4732 || (type == SIGN_ICON 4733 && sign_get_image(sign->typenr) != NULL) 4734 # endif 4735 || (type == SIGN_TEXT 4736 && sign_get_text(sign->typenr) != NULL) 4737 || (type == SIGN_LINEHL 4738 && sign_get_attr(sign->typenr, TRUE) != 0))) 4739 return sign->typenr; 4740 return 0; 4741 } 4742 4743 4744 linenr_T 4745 buf_delsign(buf, id) 4746 buf_T *buf; /* buffer sign is stored in */ 4747 int id; /* sign id */ 4748 { 4749 signlist_T **lastp; /* pointer to pointer to current sign */ 4750 signlist_T *sign; /* a sign in a b_signlist */ 4751 signlist_T *next; /* the next sign in a b_signlist */ 4752 linenr_T lnum; /* line number whose sign was deleted */ 4753 4754 lastp = &buf->b_signlist; 4755 lnum = 0; 4756 for (sign = buf->b_signlist; sign != NULL; sign = next) 4757 { 4758 next = sign->next; 4759 if (sign->id == id) 4760 { 4761 *lastp = next; 4762 #ifdef FEAT_NETBEANS_INTG 4763 if (next != NULL) 4764 next->prev = sign->prev; 4765 #endif 4766 lnum = sign->lnum; 4767 vim_free(sign); 4768 break; 4769 } 4770 else 4771 lastp = &sign->next; 4772 } 4773 4774 /* When deleted the last sign need to redraw the windows to remove the 4775 * sign column. */ 4776 if (buf->b_signlist == NULL) 4777 { 4778 redraw_buf_later(buf, NOT_VALID); 4779 changed_cline_bef_curs(); 4780 } 4781 4782 return lnum; 4783 } 4784 4785 4786 /* 4787 * Find the line number of the sign with the requested id. If the sign does 4788 * not exist, return 0 as the line number. This will still let the correct file 4789 * get loaded. 4790 */ 4791 int 4792 buf_findsign(buf, id) 4793 buf_T *buf; /* buffer to store sign in */ 4794 int id; /* sign ID */ 4795 { 4796 signlist_T *sign; /* a sign in the signlist */ 4797 4798 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4799 if (sign->id == id) 4800 return sign->lnum; 4801 4802 return 0; 4803 } 4804 4805 int 4806 buf_findsign_id(buf, lnum) 4807 buf_T *buf; /* buffer whose sign we are searching for */ 4808 linenr_T lnum; /* line number of sign */ 4809 { 4810 signlist_T *sign; /* a sign in the signlist */ 4811 4812 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4813 if (sign->lnum == lnum) 4814 return sign->id; 4815 4816 return 0; 4817 } 4818 4819 4820 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 4821 /* see if a given type of sign exists on a specific line */ 4822 int 4823 buf_findsigntype_id(buf, lnum, typenr) 4824 buf_T *buf; /* buffer whose sign we are searching for */ 4825 linenr_T lnum; /* line number of sign */ 4826 int typenr; /* sign type number */ 4827 { 4828 signlist_T *sign; /* a sign in the signlist */ 4829 4830 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4831 if (sign->lnum == lnum && sign->typenr == typenr) 4832 return sign->id; 4833 4834 return 0; 4835 } 4836 4837 4838 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 4839 /* return the number of icons on the given line */ 4840 int 4841 buf_signcount(buf, lnum) 4842 buf_T *buf; 4843 linenr_T lnum; 4844 { 4845 signlist_T *sign; /* a sign in the signlist */ 4846 int count = 0; 4847 4848 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4849 if (sign->lnum == lnum) 4850 if (sign_get_image(sign->typenr) != NULL) 4851 count++; 4852 4853 return count; 4854 } 4855 # endif /* FEAT_SIGN_ICONS */ 4856 # endif /* FEAT_NETBEANS_INTG */ 4857 4858 4859 /* 4860 * Delete signs in buffer "buf". 4861 */ 4862 static void 4863 buf_delete_signs(buf) 4864 buf_T *buf; 4865 { 4866 signlist_T *next; 4867 4868 while (buf->b_signlist != NULL) 4869 { 4870 next = buf->b_signlist->next; 4871 vim_free(buf->b_signlist); 4872 buf->b_signlist = next; 4873 } 4874 } 4875 4876 /* 4877 * Delete all signs in all buffers. 4878 */ 4879 void 4880 buf_delete_all_signs() 4881 { 4882 buf_T *buf; /* buffer we are checking for signs */ 4883 4884 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 4885 if (buf->b_signlist != NULL) 4886 { 4887 /* Need to redraw the windows to remove the sign column. */ 4888 redraw_buf_later(buf, NOT_VALID); 4889 buf_delete_signs(buf); 4890 } 4891 } 4892 4893 /* 4894 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 4895 */ 4896 void 4897 sign_list_placed(rbuf) 4898 buf_T *rbuf; 4899 { 4900 buf_T *buf; 4901 signlist_T *p; 4902 char lbuf[BUFSIZ]; 4903 4904 MSG_PUTS_TITLE(_("\n--- Signs ---")); 4905 msg_putchar('\n'); 4906 if (rbuf == NULL) 4907 buf = firstbuf; 4908 else 4909 buf = rbuf; 4910 while (buf != NULL) 4911 { 4912 if (buf->b_signlist != NULL) 4913 { 4914 #ifdef HAVE_SNPRINTF 4915 snprintf 4916 #else 4917 sprintf 4918 #endif 4919 (lbuf, 4920 #ifdef HAVE_SNPRINTF 4921 BUFSIZ, 4922 #endif 4923 _("Signs for %s:"), buf->b_fname); 4924 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 4925 msg_putchar('\n'); 4926 } 4927 for (p = buf->b_signlist; p != NULL; p = p->next) 4928 { 4929 sprintf(lbuf, _(" line=%ld id=%d name=%s"), 4930 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 4931 MSG_PUTS(lbuf); 4932 msg_putchar('\n'); 4933 } 4934 if (rbuf != NULL) 4935 break; 4936 buf = buf->b_next; 4937 } 4938 } 4939 4940 /* 4941 * Adjust a placed sign for inserted/deleted lines. 4942 */ 4943 void 4944 sign_mark_adjust(line1, line2, amount, amount_after) 4945 linenr_T line1; 4946 linenr_T line2; 4947 long amount; 4948 long amount_after; 4949 { 4950 signlist_T *sign; /* a sign in a b_signlist */ 4951 4952 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 4953 { 4954 if (sign->lnum >= line1 && sign->lnum <= line2) 4955 { 4956 if (amount == MAXLNUM) 4957 sign->lnum = line1; 4958 else 4959 sign->lnum += amount; 4960 } 4961 else if (sign->lnum > line2) 4962 sign->lnum += amount_after; 4963 } 4964 } 4965 #endif /* FEAT_SIGNS */ 4966 4967 /* 4968 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 4969 */ 4970 void 4971 set_buflisted(on) 4972 int on; 4973 { 4974 if (on != curbuf->b_p_bl) 4975 { 4976 curbuf->b_p_bl = on; 4977 #ifdef FEAT_AUTOCMD 4978 if (on) 4979 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 4980 else 4981 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 4982 #endif 4983 } 4984 } 4985 4986 /* 4987 * Read the file for "buf" again and check if the contents changed. 4988 * Return TRUE if it changed or this could not be checked. 4989 */ 4990 int 4991 buf_contents_changed(buf) 4992 buf_T *buf; 4993 { 4994 buf_T *newbuf; 4995 int differ = TRUE; 4996 linenr_T lnum; 4997 #ifdef FEAT_AUTOCMD 4998 aco_save_T aco; 4999 #else 5000 buf_T *old_curbuf = curbuf; 5001 #endif 5002 exarg_T ea; 5003 5004 /* Allocate a buffer without putting it in the buffer list. */ 5005 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5006 if (newbuf == NULL) 5007 return TRUE; 5008 5009 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5010 if (prep_exarg(&ea, buf) == FAIL) 5011 { 5012 wipe_buffer(newbuf, FALSE); 5013 return TRUE; 5014 } 5015 5016 #ifdef FEAT_AUTOCMD 5017 /* set curwin/curbuf to buf and save a few things */ 5018 aucmd_prepbuf(&aco, newbuf); 5019 #else 5020 curbuf = newbuf; 5021 curwin->w_buffer = newbuf; 5022 #endif 5023 5024 if (ml_open() == OK 5025 && readfile(buf->b_ffname, buf->b_fname, 5026 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5027 &ea, READ_NEW | READ_DUMMY) == OK) 5028 { 5029 /* compare the two files line by line */ 5030 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5031 { 5032 differ = FALSE; 5033 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5034 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5035 { 5036 differ = TRUE; 5037 break; 5038 } 5039 } 5040 } 5041 vim_free(ea.cmd); 5042 5043 #ifdef FEAT_AUTOCMD 5044 /* restore curwin/curbuf and a few other things */ 5045 aucmd_restbuf(&aco); 5046 #else 5047 curbuf = old_curbuf; 5048 curwin->w_buffer = old_curbuf; 5049 #endif 5050 5051 if (curbuf != newbuf) /* safety check */ 5052 wipe_buffer(newbuf, FALSE); 5053 5054 return differ; 5055 } 5056 5057 /* 5058 * Wipe out a buffer and decrement the last buffer number if it was used for 5059 * this buffer. Call this to wipe out a temp buffer that does not contain any 5060 * marks. 5061 */ 5062 /*ARGSUSED*/ 5063 void 5064 wipe_buffer(buf, aucmd) 5065 buf_T *buf; 5066 int aucmd; /* When TRUE trigger autocommands. */ 5067 { 5068 if (buf->b_fnum == top_file_num - 1) 5069 --top_file_num; 5070 5071 #ifdef FEAT_AUTOCMD 5072 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5073 ++autocmd_block; 5074 #endif 5075 close_buffer(NULL, buf, DOBUF_WIPE); 5076 #ifdef FEAT_AUTOCMD 5077 if (!aucmd) 5078 --autocmd_block; 5079 #endif 5080 } 5081