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 #include "vim.h" 29 30 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 31 static char_u *buflist_match __ARGS((regprog_T *prog, buf_T *buf)); 32 # define HAVE_BUFLIST_MATCH 33 static char_u *fname_match __ARGS((regprog_T *prog, char_u *name)); 34 #endif 35 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 36 static wininfo_T *find_wininfo __ARGS((buf_T *buf, int skip_diff_buffer)); 37 #ifdef UNIX 38 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 39 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 40 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 41 #else 42 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 43 #endif 44 #ifdef FEAT_TITLE 45 static int ti_change __ARGS((char_u *str, char_u **last)); 46 #endif 47 static int append_arg_number __ARGS((win_T *wp, char_u *buf, int buflen, int add_file)); 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 #endif 61 62 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 63 static char *msg_loclist = N_("[Location List]"); 64 static char *msg_qflist = N_("[Quickfix List]"); 65 #endif 66 #ifdef FEAT_AUTOCMD 67 static char *e_auabort = N_("E855: Autocommands caused command to abort"); 68 #endif 69 70 /* 71 * Open current buffer, that is: open the memfile and read the file into 72 * memory. 73 * Return FAIL for failure, OK otherwise. 74 */ 75 int 76 open_buffer(read_stdin, eap, flags) 77 int read_stdin; /* read file from stdin */ 78 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 79 int flags; /* extra flags for readfile() */ 80 { 81 int retval = OK; 82 #ifdef FEAT_AUTOCMD 83 buf_T *old_curbuf; 84 #endif 85 86 /* 87 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 88 * When re-entering the same buffer, it should not change, because the 89 * user may have reset the flag by hand. 90 */ 91 if (readonlymode && curbuf->b_ffname != NULL 92 && (curbuf->b_flags & BF_NEVERLOADED)) 93 curbuf->b_p_ro = TRUE; 94 95 if (ml_open(curbuf) == FAIL) 96 { 97 /* 98 * There MUST be a memfile, otherwise we can't do anything 99 * If we can't create one for the current buffer, take another buffer 100 */ 101 close_buffer(NULL, curbuf, 0, FALSE); 102 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 103 if (curbuf->b_ml.ml_mfp != NULL) 104 break; 105 /* 106 * if there is no memfile at all, exit 107 * This is OK, since there are no changes to lose. 108 */ 109 if (curbuf == NULL) 110 { 111 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 112 getout(2); 113 } 114 EMSG(_("E83: Cannot allocate buffer, using other one...")); 115 enter_buffer(curbuf); 116 return FAIL; 117 } 118 119 #ifdef FEAT_AUTOCMD 120 /* The autocommands in readfile() may change the buffer, but only AFTER 121 * reading the file. */ 122 old_curbuf = curbuf; 123 modified_was_set = FALSE; 124 #endif 125 126 /* mark cursor position as being invalid */ 127 curwin->w_valid = 0; 128 129 if (curbuf->b_ffname != NULL 130 #ifdef FEAT_NETBEANS_INTG 131 && netbeansReadFile 132 #endif 133 ) 134 { 135 #ifdef FEAT_NETBEANS_INTG 136 int oldFire = netbeansFireChanges; 137 138 netbeansFireChanges = 0; 139 #endif 140 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 141 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, 142 flags | READ_NEW); 143 #ifdef FEAT_NETBEANS_INTG 144 netbeansFireChanges = oldFire; 145 #endif 146 /* Help buffer is filtered. */ 147 if (curbuf->b_help) 148 fix_help_buffer(); 149 } 150 else if (read_stdin) 151 { 152 int save_bin = curbuf->b_p_bin; 153 linenr_T line_count; 154 155 /* 156 * First read the text in binary mode into the buffer. 157 * Then read from that same buffer and append at the end. This makes 158 * it possible to retry when 'fileformat' or 'fileencoding' was 159 * guessed wrong. 160 */ 161 curbuf->b_p_bin = TRUE; 162 retval = readfile(NULL, NULL, (linenr_T)0, 163 (linenr_T)0, (linenr_T)MAXLNUM, NULL, 164 flags | (READ_NEW + READ_STDIN)); 165 curbuf->b_p_bin = save_bin; 166 if (retval == OK) 167 { 168 line_count = curbuf->b_ml.ml_line_count; 169 retval = readfile(NULL, NULL, (linenr_T)line_count, 170 (linenr_T)0, (linenr_T)MAXLNUM, eap, 171 flags | READ_BUFFER); 172 if (retval == OK) 173 { 174 /* Delete the binary lines. */ 175 while (--line_count >= 0) 176 ml_delete((linenr_T)1, FALSE); 177 } 178 else 179 { 180 /* Delete the converted lines. */ 181 while (curbuf->b_ml.ml_line_count > line_count) 182 ml_delete(line_count, FALSE); 183 } 184 /* Put the cursor on the first line. */ 185 curwin->w_cursor.lnum = 1; 186 curwin->w_cursor.col = 0; 187 188 /* Set or reset 'modified' before executing autocommands, so that 189 * it can be changed there. */ 190 if (!readonlymode && !bufempty()) 191 changed(); 192 else if (retval != FAIL) 193 unchanged(curbuf, FALSE); 194 #ifdef FEAT_AUTOCMD 195 # ifdef FEAT_EVAL 196 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 197 curbuf, &retval); 198 # else 199 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 200 # endif 201 #endif 202 } 203 } 204 205 /* if first time loading this buffer, init b_chartab[] */ 206 if (curbuf->b_flags & BF_NEVERLOADED) 207 (void)buf_init_chartab(curbuf, FALSE); 208 209 /* 210 * Set/reset the Changed flag first, autocmds may change the buffer. 211 * Apply the automatic commands, before processing the modelines. 212 * So the modelines have priority over auto commands. 213 */ 214 /* When reading stdin, the buffer contents always needs writing, so set 215 * the changed flag. Unless in readonly mode: "ls | gview -". 216 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 217 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 218 #ifdef FEAT_AUTOCMD 219 || modified_was_set /* ":set modified" used in autocmd */ 220 # ifdef FEAT_EVAL 221 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 222 # endif 223 #endif 224 ) 225 changed(); 226 else if (retval != FAIL && !read_stdin) 227 unchanged(curbuf, FALSE); 228 save_file_ff(curbuf); /* keep this fileformat */ 229 230 /* require "!" to overwrite the file, because it wasn't read completely */ 231 #ifdef FEAT_EVAL 232 if (aborting()) 233 #else 234 if (got_int) 235 #endif 236 curbuf->b_flags |= BF_READERR; 237 238 #ifdef FEAT_FOLDING 239 /* Need to update automatic folding. Do this before the autocommands, 240 * they may use the fold info. */ 241 foldUpdateAll(curwin); 242 #endif 243 244 #ifdef FEAT_AUTOCMD 245 /* need to set w_topline, unless some autocommand already did that. */ 246 if (!(curwin->w_valid & VALID_TOPLINE)) 247 { 248 curwin->w_topline = 1; 249 # ifdef FEAT_DIFF 250 curwin->w_topfill = 0; 251 # endif 252 } 253 # ifdef FEAT_EVAL 254 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 255 # else 256 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 257 # endif 258 #endif 259 260 if (retval != FAIL) 261 { 262 #ifdef FEAT_AUTOCMD 263 /* 264 * The autocommands may have changed the current buffer. Apply the 265 * modelines to the correct buffer, if it still exists and is loaded. 266 */ 267 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 268 { 269 aco_save_T aco; 270 271 /* Go to the buffer that was opened. */ 272 aucmd_prepbuf(&aco, old_curbuf); 273 #endif 274 do_modelines(0); 275 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 276 277 #ifdef FEAT_AUTOCMD 278 # ifdef FEAT_EVAL 279 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 280 &retval); 281 # else 282 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 283 # endif 284 285 /* restore curwin/curbuf and a few other things */ 286 aucmd_restbuf(&aco); 287 } 288 #endif 289 } 290 291 return retval; 292 } 293 294 /* 295 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 296 */ 297 int 298 buf_valid(buf) 299 buf_T *buf; 300 { 301 buf_T *bp; 302 303 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 304 if (bp == buf) 305 return TRUE; 306 return FALSE; 307 } 308 309 /* 310 * Close the link to a buffer. 311 * "action" is used when there is no longer a window for the buffer. 312 * It can be: 313 * 0 buffer becomes hidden 314 * DOBUF_UNLOAD buffer is unloaded 315 * DOBUF_DELETE buffer is unloaded and removed from buffer list 316 * DOBUF_WIPE buffer is unloaded and really deleted 317 * When doing all but the first one on the current buffer, the caller should 318 * get a new buffer very soon! 319 * 320 * The 'bufhidden' option can force freeing and deleting. 321 * 322 * When "abort_if_last" is TRUE then do not close the buffer if autocommands 323 * cause there to be only one window with this buffer. e.g. when ":quit" is 324 * supposed to close the window but autocommands close all other windows. 325 */ 326 void 327 close_buffer(win, buf, action, abort_if_last) 328 win_T *win; /* if not NULL, set b_last_cursor */ 329 buf_T *buf; 330 int action; 331 int abort_if_last UNUSED; 332 { 333 #ifdef FEAT_AUTOCMD 334 int is_curbuf; 335 int nwindows; 336 #endif 337 int unload_buf = (action != 0); 338 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 339 int wipe_buf = (action == DOBUF_WIPE); 340 341 #ifdef FEAT_QUICKFIX 342 /* 343 * Force unloading or deleting when 'bufhidden' says so. 344 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 345 * "hide" (otherwise we could never free or delete a buffer). 346 */ 347 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 348 { 349 del_buf = TRUE; 350 unload_buf = TRUE; 351 } 352 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 353 { 354 del_buf = TRUE; 355 unload_buf = TRUE; 356 wipe_buf = TRUE; 357 } 358 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 359 unload_buf = TRUE; 360 #endif 361 362 if (win != NULL) 363 { 364 /* Set b_last_cursor when closing the last window for the buffer. 365 * Remember the last cursor position and window options of the buffer. 366 * This used to be only for the current window, but then options like 367 * 'foldmethod' may be lost with a ":only" command. */ 368 if (buf->b_nwindows == 1) 369 set_last_cursor(win); 370 buflist_setfpos(buf, win, 371 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 372 win->w_cursor.col, TRUE); 373 } 374 375 #ifdef FEAT_AUTOCMD 376 /* When the buffer is no longer in a window, trigger BufWinLeave */ 377 if (buf->b_nwindows == 1) 378 { 379 buf->b_closing = TRUE; 380 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 381 FALSE, buf); 382 if (!buf_valid(buf)) 383 { 384 /* Autocommands deleted the buffer. */ 385 aucmd_abort: 386 EMSG(_(e_auabort)); 387 return; 388 } 389 buf->b_closing = FALSE; 390 if (abort_if_last && one_window()) 391 /* Autocommands made this the only window. */ 392 goto aucmd_abort; 393 394 /* When the buffer becomes hidden, but is not unloaded, trigger 395 * BufHidden */ 396 if (!unload_buf) 397 { 398 buf->b_closing = TRUE; 399 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 400 FALSE, buf); 401 if (!buf_valid(buf)) 402 /* Autocommands deleted the buffer. */ 403 goto aucmd_abort; 404 buf->b_closing = FALSE; 405 if (abort_if_last && one_window()) 406 /* Autocommands made this the only window. */ 407 goto aucmd_abort; 408 } 409 # ifdef FEAT_EVAL 410 if (aborting()) /* autocmds may abort script processing */ 411 return; 412 # endif 413 } 414 nwindows = buf->b_nwindows; 415 #endif 416 417 /* decrease the link count from windows (unless not in any window) */ 418 if (buf->b_nwindows > 0) 419 --buf->b_nwindows; 420 421 /* Return when a window is displaying the buffer or when it's not 422 * unloaded. */ 423 if (buf->b_nwindows > 0 || !unload_buf) 424 return; 425 426 /* Always remove the buffer when there is no file name. */ 427 if (buf->b_ffname == NULL) 428 del_buf = TRUE; 429 430 /* 431 * Free all things allocated for this buffer. 432 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 433 */ 434 #ifdef FEAT_AUTOCMD 435 /* Remember if we are closing the current buffer. Restore the number of 436 * windows, so that autocommands in buf_freeall() don't get confused. */ 437 is_curbuf = (buf == curbuf); 438 buf->b_nwindows = nwindows; 439 #endif 440 441 buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); 442 if ( 443 #ifdef FEAT_WINDOWS 444 win_valid(win) && 445 #else 446 win != NULL && 447 #endif 448 win->w_buffer == buf) 449 win->w_buffer = NULL; /* make sure we don't use the buffer now */ 450 451 #ifdef FEAT_AUTOCMD 452 /* Autocommands may have deleted the buffer. */ 453 if (!buf_valid(buf)) 454 return; 455 # ifdef FEAT_EVAL 456 if (aborting()) /* autocmds may abort script processing */ 457 return; 458 # endif 459 460 /* Autocommands may have opened or closed windows for this buffer. 461 * Decrement the count for the close we do here. */ 462 if (buf->b_nwindows > 0) 463 --buf->b_nwindows; 464 465 /* 466 * It's possible that autocommands change curbuf to the one being deleted. 467 * This might cause the previous curbuf to be deleted unexpectedly. But 468 * in some cases it's OK to delete the curbuf, because a new one is 469 * obtained anyway. Therefore only return if curbuf changed to the 470 * deleted buffer. 471 */ 472 if (buf == curbuf && !is_curbuf) 473 return; 474 #endif 475 476 /* Change directories when the 'acd' option is set. */ 477 DO_AUTOCHDIR 478 479 /* 480 * Remove the buffer from the list. 481 */ 482 if (wipe_buf) 483 { 484 #ifdef FEAT_SUN_WORKSHOP 485 if (usingSunWorkShop) 486 workshop_file_closed_lineno((char *)buf->b_ffname, 487 (int)buf->b_last_cursor.lnum); 488 #endif 489 vim_free(buf->b_ffname); 490 vim_free(buf->b_sfname); 491 if (buf->b_prev == NULL) 492 firstbuf = buf->b_next; 493 else 494 buf->b_prev->b_next = buf->b_next; 495 if (buf->b_next == NULL) 496 lastbuf = buf->b_prev; 497 else 498 buf->b_next->b_prev = buf->b_prev; 499 free_buffer(buf); 500 } 501 else 502 { 503 if (del_buf) 504 { 505 /* Free all internal variables and reset option values, to make 506 * ":bdel" compatible with Vim 5.7. */ 507 free_buffer_stuff(buf, TRUE); 508 509 /* Make it look like a new buffer. */ 510 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 511 512 /* Init the options when loaded again. */ 513 buf->b_p_initialized = FALSE; 514 } 515 buf_clear_file(buf); 516 if (del_buf) 517 buf->b_p_bl = FALSE; 518 } 519 } 520 521 /* 522 * Make buffer not contain a file. 523 */ 524 void 525 buf_clear_file(buf) 526 buf_T *buf; 527 { 528 buf->b_ml.ml_line_count = 1; 529 unchanged(buf, TRUE); 530 #ifndef SHORT_FNAME 531 buf->b_shortname = FALSE; 532 #endif 533 buf->b_p_eol = TRUE; 534 buf->b_start_eol = TRUE; 535 #ifdef FEAT_MBYTE 536 buf->b_p_bomb = FALSE; 537 buf->b_start_bomb = FALSE; 538 #endif 539 buf->b_ml.ml_mfp = NULL; 540 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 541 #ifdef FEAT_NETBEANS_INTG 542 netbeans_deleted_all_lines(buf); 543 #endif 544 } 545 546 /* 547 * buf_freeall() - free all things allocated for a buffer that are related to 548 * the file. flags: 549 * BFA_DEL buffer is going to be deleted 550 * BFA_WIPE buffer is going to be wiped out 551 * BFA_KEEP_UNDO do not free undo information 552 */ 553 void 554 buf_freeall(buf, flags) 555 buf_T *buf; 556 int flags; 557 { 558 #ifdef FEAT_AUTOCMD 559 int is_curbuf = (buf == curbuf); 560 561 buf->b_closing = TRUE; 562 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 563 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 564 return; 565 if ((flags & BFA_DEL) && buf->b_p_bl) 566 { 567 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 568 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 569 return; 570 } 571 if (flags & BFA_WIPE) 572 { 573 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 574 FALSE, buf); 575 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 576 return; 577 } 578 buf->b_closing = FALSE; 579 # ifdef FEAT_EVAL 580 if (aborting()) /* autocmds may abort script processing */ 581 return; 582 # endif 583 584 /* 585 * It's possible that autocommands change curbuf to the one being deleted. 586 * This might cause curbuf to be deleted unexpectedly. But in some cases 587 * it's OK to delete the curbuf, because a new one is obtained anyway. 588 * Therefore only return if curbuf changed to the deleted buffer. 589 */ 590 if (buf == curbuf && !is_curbuf) 591 return; 592 #endif 593 #ifdef FEAT_DIFF 594 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 595 #endif 596 #ifdef FEAT_SYN_HL 597 /* Remove any ownsyntax, unless exiting. */ 598 if (firstwin != NULL && curwin->w_buffer == buf) 599 reset_synblock(curwin); 600 #endif 601 602 #ifdef FEAT_FOLDING 603 /* No folds in an empty buffer. */ 604 # ifdef FEAT_WINDOWS 605 { 606 win_T *win; 607 tabpage_T *tp; 608 609 FOR_ALL_TAB_WINDOWS(tp, win) 610 if (win->w_buffer == buf) 611 clearFolding(win); 612 } 613 # else 614 if (curwin->w_buffer == buf) 615 clearFolding(curwin); 616 # endif 617 #endif 618 619 #ifdef FEAT_TCL 620 tcl_buffer_free(buf); 621 #endif 622 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 623 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 624 if ((flags & BFA_KEEP_UNDO) == 0) 625 { 626 u_blockfree(buf); /* free the memory allocated for undo */ 627 u_clearall(buf); /* reset all undo information */ 628 } 629 #ifdef FEAT_SYN_HL 630 syntax_clear(&buf->b_s); /* reset syntax info */ 631 #endif 632 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 633 } 634 635 /* 636 * Free a buffer structure and the things it contains related to the buffer 637 * itself (not the file, that must have been done already). 638 */ 639 static void 640 free_buffer(buf) 641 buf_T *buf; 642 { 643 free_buffer_stuff(buf, TRUE); 644 #ifdef FEAT_LUA 645 lua_buffer_free(buf); 646 #endif 647 #ifdef FEAT_MZSCHEME 648 mzscheme_buffer_free(buf); 649 #endif 650 #ifdef FEAT_PERL 651 perl_buf_free(buf); 652 #endif 653 #ifdef FEAT_PYTHON 654 python_buffer_free(buf); 655 #endif 656 #ifdef FEAT_PYTHON3 657 python3_buffer_free(buf); 658 #endif 659 #ifdef FEAT_RUBY 660 ruby_buffer_free(buf); 661 #endif 662 #ifdef FEAT_AUTOCMD 663 aubuflocal_remove(buf); 664 #endif 665 vim_free(buf); 666 } 667 668 /* 669 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 670 */ 671 static void 672 free_buffer_stuff(buf, free_options) 673 buf_T *buf; 674 int free_options; /* free options as well */ 675 { 676 if (free_options) 677 { 678 clear_wininfo(buf); /* including window-local options */ 679 free_buf_options(buf, TRUE); 680 #ifdef FEAT_SPELL 681 ga_clear(&buf->b_s.b_langp); 682 #endif 683 } 684 #ifdef FEAT_EVAL 685 vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */ 686 hash_init(&buf->b_vars.dv_hashtab); 687 #endif 688 #ifdef FEAT_USR_CMDS 689 uc_clear(&buf->b_ucmds); /* clear local user commands */ 690 #endif 691 #ifdef FEAT_SIGNS 692 buf_delete_signs(buf); /* delete any signs */ 693 #endif 694 #ifdef FEAT_NETBEANS_INTG 695 netbeans_file_killed(buf); 696 #endif 697 #ifdef FEAT_LOCALMAP 698 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 699 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 700 #endif 701 #ifdef FEAT_MBYTE 702 vim_free(buf->b_start_fenc); 703 buf->b_start_fenc = NULL; 704 #endif 705 } 706 707 /* 708 * Free the b_wininfo list for buffer "buf". 709 */ 710 static void 711 clear_wininfo(buf) 712 buf_T *buf; 713 { 714 wininfo_T *wip; 715 716 while (buf->b_wininfo != NULL) 717 { 718 wip = buf->b_wininfo; 719 buf->b_wininfo = wip->wi_next; 720 if (wip->wi_optset) 721 { 722 clear_winopt(&wip->wi_opt); 723 #ifdef FEAT_FOLDING 724 deleteFoldRecurse(&wip->wi_folds); 725 #endif 726 } 727 vim_free(wip); 728 } 729 } 730 731 #if defined(FEAT_LISTCMDS) || defined(PROTO) 732 /* 733 * Go to another buffer. Handles the result of the ATTENTION dialog. 734 */ 735 void 736 goto_buffer(eap, start, dir, count) 737 exarg_T *eap; 738 int start; 739 int dir; 740 int count; 741 { 742 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 743 buf_T *old_curbuf = curbuf; 744 745 swap_exists_action = SEA_DIALOG; 746 # endif 747 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 748 start, dir, count, eap->forceit); 749 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 750 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 751 { 752 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 753 cleanup_T cs; 754 755 /* Reset the error/interrupt/exception state here so that 756 * aborting() returns FALSE when closing a window. */ 757 enter_cleanup(&cs); 758 # endif 759 760 /* Quitting means closing the split window, nothing else. */ 761 win_close(curwin, TRUE); 762 swap_exists_action = SEA_NONE; 763 swap_exists_did_quit = TRUE; 764 765 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 766 /* Restore the error/interrupt/exception state if not discarded by a 767 * new aborting error, interrupt, or uncaught exception. */ 768 leave_cleanup(&cs); 769 # endif 770 } 771 else 772 handle_swap_exists(old_curbuf); 773 # endif 774 } 775 #endif 776 777 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 778 /* 779 * Handle the situation of swap_exists_action being set. 780 * It is allowed for "old_curbuf" to be NULL or invalid. 781 */ 782 void 783 handle_swap_exists(old_curbuf) 784 buf_T *old_curbuf; 785 { 786 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 787 cleanup_T cs; 788 # endif 789 790 if (swap_exists_action == SEA_QUIT) 791 { 792 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 793 /* Reset the error/interrupt/exception state here so that 794 * aborting() returns FALSE when closing a buffer. */ 795 enter_cleanup(&cs); 796 # endif 797 798 /* User selected Quit at ATTENTION prompt. Go back to previous 799 * buffer. If that buffer is gone or the same as the current one, 800 * open a new, empty buffer. */ 801 swap_exists_action = SEA_NONE; /* don't want it again */ 802 swap_exists_did_quit = TRUE; 803 close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); 804 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 805 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 806 if (old_curbuf != NULL) 807 enter_buffer(old_curbuf); 808 /* If "old_curbuf" is NULL we are in big trouble here... */ 809 810 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 811 /* Restore the error/interrupt/exception state if not discarded by a 812 * new aborting error, interrupt, or uncaught exception. */ 813 leave_cleanup(&cs); 814 # endif 815 } 816 else if (swap_exists_action == SEA_RECOVER) 817 { 818 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 819 /* Reset the error/interrupt/exception state here so that 820 * aborting() returns FALSE when closing a buffer. */ 821 enter_cleanup(&cs); 822 # endif 823 824 /* User selected Recover at ATTENTION prompt. */ 825 msg_scroll = TRUE; 826 ml_recover(); 827 MSG_PUTS("\n"); /* don't overwrite the last message */ 828 cmdline_row = msg_row; 829 do_modelines(0); 830 831 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 832 /* Restore the error/interrupt/exception state if not discarded by a 833 * new aborting error, interrupt, or uncaught exception. */ 834 leave_cleanup(&cs); 835 # endif 836 } 837 swap_exists_action = SEA_NONE; 838 } 839 #endif 840 841 #if defined(FEAT_LISTCMDS) || defined(PROTO) 842 /* 843 * do_bufdel() - delete or unload buffer(s) 844 * 845 * addr_count == 0: ":bdel" - delete current buffer 846 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 847 * buffer "end_bnr", then any other arguments. 848 * addr_count == 2: ":N,N bdel" - delete buffers in range 849 * 850 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 851 * DOBUF_DEL (":bdel") 852 * 853 * Returns error message or NULL 854 */ 855 char_u * 856 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 857 int command; 858 char_u *arg; /* pointer to extra arguments */ 859 int addr_count; 860 int start_bnr; /* first buffer number in a range */ 861 int end_bnr; /* buffer nr or last buffer nr in a range */ 862 int forceit; 863 { 864 int do_current = 0; /* delete current buffer? */ 865 int deleted = 0; /* number of buffers deleted */ 866 char_u *errormsg = NULL; /* return value */ 867 int bnr; /* buffer number */ 868 char_u *p; 869 870 if (addr_count == 0) 871 { 872 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 873 } 874 else 875 { 876 if (addr_count == 2) 877 { 878 if (*arg) /* both range and argument is not allowed */ 879 return (char_u *)_(e_trailing); 880 bnr = start_bnr; 881 } 882 else /* addr_count == 1 */ 883 bnr = end_bnr; 884 885 for ( ;!got_int; ui_breakcheck()) 886 { 887 /* 888 * delete the current buffer last, otherwise when the 889 * current buffer is deleted, the next buffer becomes 890 * the current one and will be loaded, which may then 891 * also be deleted, etc. 892 */ 893 if (bnr == curbuf->b_fnum) 894 do_current = bnr; 895 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 896 forceit) == OK) 897 ++deleted; 898 899 /* 900 * find next buffer number to delete/unload 901 */ 902 if (addr_count == 2) 903 { 904 if (++bnr > end_bnr) 905 break; 906 } 907 else /* addr_count == 1 */ 908 { 909 arg = skipwhite(arg); 910 if (*arg == NUL) 911 break; 912 if (!VIM_ISDIGIT(*arg)) 913 { 914 p = skiptowhite_esc(arg); 915 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 916 if (bnr < 0) /* failed */ 917 break; 918 arg = p; 919 } 920 else 921 bnr = getdigits(&arg); 922 } 923 } 924 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 925 FORWARD, do_current, forceit) == OK) 926 ++deleted; 927 928 if (deleted == 0) 929 { 930 if (command == DOBUF_UNLOAD) 931 STRCPY(IObuff, _("E515: No buffers were unloaded")); 932 else if (command == DOBUF_DEL) 933 STRCPY(IObuff, _("E516: No buffers were deleted")); 934 else 935 STRCPY(IObuff, _("E517: No buffers were wiped out")); 936 errormsg = IObuff; 937 } 938 else if (deleted >= p_report) 939 { 940 if (command == DOBUF_UNLOAD) 941 { 942 if (deleted == 1) 943 MSG(_("1 buffer unloaded")); 944 else 945 smsg((char_u *)_("%d buffers unloaded"), deleted); 946 } 947 else if (command == DOBUF_DEL) 948 { 949 if (deleted == 1) 950 MSG(_("1 buffer deleted")); 951 else 952 smsg((char_u *)_("%d buffers deleted"), deleted); 953 } 954 else 955 { 956 if (deleted == 1) 957 MSG(_("1 buffer wiped out")); 958 else 959 smsg((char_u *)_("%d buffers wiped out"), deleted); 960 } 961 } 962 } 963 964 965 return errormsg; 966 } 967 968 /* 969 * Implementation of the commands for the buffer list. 970 * 971 * action == DOBUF_GOTO go to specified buffer 972 * action == DOBUF_SPLIT split window and go to specified buffer 973 * action == DOBUF_UNLOAD unload specified buffer(s) 974 * action == DOBUF_DEL delete specified buffer(s) from buffer list 975 * action == DOBUF_WIPE delete specified buffer(s) really 976 * 977 * start == DOBUF_CURRENT go to "count" buffer from current buffer 978 * start == DOBUF_FIRST go to "count" buffer from first buffer 979 * start == DOBUF_LAST go to "count" buffer from last buffer 980 * start == DOBUF_MOD go to "count" modified buffer from current buffer 981 * 982 * Return FAIL or OK. 983 */ 984 int 985 do_buffer(action, start, dir, count, forceit) 986 int action; 987 int start; 988 int dir; /* FORWARD or BACKWARD */ 989 int count; /* buffer number or number of buffers */ 990 int forceit; /* TRUE for :...! */ 991 { 992 buf_T *buf; 993 buf_T *bp; 994 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 995 || action == DOBUF_WIPE); 996 997 switch (start) 998 { 999 case DOBUF_FIRST: buf = firstbuf; break; 1000 case DOBUF_LAST: buf = lastbuf; break; 1001 default: buf = curbuf; break; 1002 } 1003 if (start == DOBUF_MOD) /* find next modified buffer */ 1004 { 1005 while (count-- > 0) 1006 { 1007 do 1008 { 1009 buf = buf->b_next; 1010 if (buf == NULL) 1011 buf = firstbuf; 1012 } 1013 while (buf != curbuf && !bufIsChanged(buf)); 1014 } 1015 if (!bufIsChanged(buf)) 1016 { 1017 EMSG(_("E84: No modified buffer found")); 1018 return FAIL; 1019 } 1020 } 1021 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 1022 { 1023 while (buf != NULL && buf->b_fnum != count) 1024 buf = buf->b_next; 1025 } 1026 else 1027 { 1028 bp = NULL; 1029 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 1030 { 1031 /* remember the buffer where we start, we come back there when all 1032 * buffers are unlisted. */ 1033 if (bp == NULL) 1034 bp = buf; 1035 if (dir == FORWARD) 1036 { 1037 buf = buf->b_next; 1038 if (buf == NULL) 1039 buf = firstbuf; 1040 } 1041 else 1042 { 1043 buf = buf->b_prev; 1044 if (buf == NULL) 1045 buf = lastbuf; 1046 } 1047 /* don't count unlisted buffers */ 1048 if (unload || buf->b_p_bl) 1049 { 1050 --count; 1051 bp = NULL; /* use this buffer as new starting point */ 1052 } 1053 if (bp == buf) 1054 { 1055 /* back where we started, didn't find anything. */ 1056 EMSG(_("E85: There is no listed buffer")); 1057 return FAIL; 1058 } 1059 } 1060 } 1061 1062 if (buf == NULL) /* could not find it */ 1063 { 1064 if (start == DOBUF_FIRST) 1065 { 1066 /* don't warn when deleting */ 1067 if (!unload) 1068 EMSGN(_("E86: Buffer %ld does not exist"), count); 1069 } 1070 else if (dir == FORWARD) 1071 EMSG(_("E87: Cannot go beyond last buffer")); 1072 else 1073 EMSG(_("E88: Cannot go before first buffer")); 1074 return FAIL; 1075 } 1076 1077 #ifdef FEAT_GUI 1078 need_mouse_correct = TRUE; 1079 #endif 1080 1081 #ifdef FEAT_LISTCMDS 1082 /* 1083 * delete buffer buf from memory and/or the list 1084 */ 1085 if (unload) 1086 { 1087 int forward; 1088 int retval; 1089 1090 /* When unloading or deleting a buffer that's already unloaded and 1091 * unlisted: fail silently. */ 1092 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1093 return FAIL; 1094 1095 if (!forceit && bufIsChanged(buf)) 1096 { 1097 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1098 if ((p_confirm || cmdmod.confirm) && p_write) 1099 { 1100 dialog_changed(buf, FALSE); 1101 # ifdef FEAT_AUTOCMD 1102 if (!buf_valid(buf)) 1103 /* Autocommand deleted buffer, oops! It's not changed 1104 * now. */ 1105 return FAIL; 1106 # endif 1107 /* If it's still changed fail silently, the dialog already 1108 * mentioned why it fails. */ 1109 if (bufIsChanged(buf)) 1110 return FAIL; 1111 } 1112 else 1113 #endif 1114 { 1115 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1116 buf->b_fnum); 1117 return FAIL; 1118 } 1119 } 1120 1121 /* 1122 * If deleting the last (listed) buffer, make it empty. 1123 * The last (listed) buffer cannot be unloaded. 1124 */ 1125 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1126 if (bp->b_p_bl && bp != buf) 1127 break; 1128 if (bp == NULL && buf == curbuf) 1129 { 1130 if (action == DOBUF_UNLOAD) 1131 { 1132 EMSG(_("E90: Cannot unload last buffer")); 1133 return FAIL; 1134 } 1135 1136 /* Close any other windows on this buffer, then make it empty. */ 1137 #ifdef FEAT_WINDOWS 1138 close_windows(buf, TRUE); 1139 #endif 1140 setpcmark(); 1141 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1142 forceit ? ECMD_FORCEIT : 0, curwin); 1143 1144 /* 1145 * do_ecmd() may create a new buffer, then we have to delete 1146 * the old one. But do_ecmd() may have done that already, check 1147 * if the buffer still exists. 1148 */ 1149 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1150 close_buffer(NULL, buf, action, FALSE); 1151 return retval; 1152 } 1153 1154 #ifdef FEAT_WINDOWS 1155 /* 1156 * If the deleted buffer is the current one, close the current window 1157 * (unless it's the only window). Repeat this so long as we end up in 1158 * a window with this buffer. 1159 */ 1160 while (buf == curbuf 1161 # ifdef FEAT_AUTOCMD 1162 && !(curwin->w_closing || curwin->w_buffer->b_closing) 1163 # endif 1164 && (firstwin != lastwin || first_tabpage->tp_next != NULL)) 1165 win_close(curwin, FALSE); 1166 #endif 1167 1168 /* 1169 * If the buffer to be deleted is not the current one, delete it here. 1170 */ 1171 if (buf != curbuf) 1172 { 1173 #ifdef FEAT_WINDOWS 1174 close_windows(buf, FALSE); 1175 #endif 1176 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1177 close_buffer(NULL, buf, action, FALSE); 1178 return OK; 1179 } 1180 1181 /* 1182 * Deleting the current buffer: Need to find another buffer to go to. 1183 * There must be another, otherwise it would have been handled above. 1184 * First use au_new_curbuf, if it is valid. 1185 * Then prefer the buffer we most recently visited. 1186 * Else try to find one that is loaded, after the current buffer, 1187 * then before the current buffer. 1188 * Finally use any buffer. 1189 */ 1190 buf = NULL; /* selected buffer */ 1191 bp = NULL; /* used when no loaded buffer found */ 1192 #ifdef FEAT_AUTOCMD 1193 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1194 buf = au_new_curbuf; 1195 # ifdef FEAT_JUMPLIST 1196 else 1197 # endif 1198 #endif 1199 #ifdef FEAT_JUMPLIST 1200 if (curwin->w_jumplistlen > 0) 1201 { 1202 int jumpidx; 1203 1204 jumpidx = curwin->w_jumplistidx - 1; 1205 if (jumpidx < 0) 1206 jumpidx = curwin->w_jumplistlen - 1; 1207 1208 forward = jumpidx; 1209 while (jumpidx != curwin->w_jumplistidx) 1210 { 1211 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1212 if (buf != NULL) 1213 { 1214 if (buf == curbuf || !buf->b_p_bl) 1215 buf = NULL; /* skip current and unlisted bufs */ 1216 else if (buf->b_ml.ml_mfp == NULL) 1217 { 1218 /* skip unloaded buf, but may keep it for later */ 1219 if (bp == NULL) 1220 bp = buf; 1221 buf = NULL; 1222 } 1223 } 1224 if (buf != NULL) /* found a valid buffer: stop searching */ 1225 break; 1226 /* advance to older entry in jump list */ 1227 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1228 break; 1229 if (--jumpidx < 0) 1230 jumpidx = curwin->w_jumplistlen - 1; 1231 if (jumpidx == forward) /* List exhausted for sure */ 1232 break; 1233 } 1234 } 1235 #endif 1236 1237 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1238 { 1239 forward = TRUE; 1240 buf = curbuf->b_next; 1241 for (;;) 1242 { 1243 if (buf == NULL) 1244 { 1245 if (!forward) /* tried both directions */ 1246 break; 1247 buf = curbuf->b_prev; 1248 forward = FALSE; 1249 continue; 1250 } 1251 /* in non-help buffer, try to skip help buffers, and vv */ 1252 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1253 { 1254 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1255 break; 1256 if (bp == NULL) /* remember unloaded buf for later */ 1257 bp = buf; 1258 } 1259 if (forward) 1260 buf = buf->b_next; 1261 else 1262 buf = buf->b_prev; 1263 } 1264 } 1265 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1266 buf = bp; 1267 if (buf == NULL) /* No loaded buffer, find listed one */ 1268 { 1269 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1270 if (buf->b_p_bl && buf != curbuf) 1271 break; 1272 } 1273 if (buf == NULL) /* Still no buffer, just take one */ 1274 { 1275 if (curbuf->b_next != NULL) 1276 buf = curbuf->b_next; 1277 else 1278 buf = curbuf->b_prev; 1279 } 1280 } 1281 1282 /* 1283 * make buf current buffer 1284 */ 1285 if (action == DOBUF_SPLIT) /* split window first */ 1286 { 1287 # ifdef FEAT_WINDOWS 1288 /* If 'switchbuf' contains "useopen": jump to first window containing 1289 * "buf" if one exists */ 1290 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1291 return OK; 1292 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1293 * page containing "buf" if one exists */ 1294 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1295 return OK; 1296 if (win_split(0, 0) == FAIL) 1297 # endif 1298 return FAIL; 1299 } 1300 #endif 1301 1302 /* go to current buffer - nothing to do */ 1303 if (buf == curbuf) 1304 return OK; 1305 1306 /* 1307 * Check if the current buffer may be abandoned. 1308 */ 1309 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1310 { 1311 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1312 if ((p_confirm || cmdmod.confirm) && p_write) 1313 { 1314 dialog_changed(curbuf, FALSE); 1315 # ifdef FEAT_AUTOCMD 1316 if (!buf_valid(buf)) 1317 /* Autocommand deleted buffer, oops! */ 1318 return FAIL; 1319 # endif 1320 } 1321 if (bufIsChanged(curbuf)) 1322 #endif 1323 { 1324 EMSG(_(e_nowrtmsg)); 1325 return FAIL; 1326 } 1327 } 1328 1329 /* Go to the other buffer. */ 1330 set_curbuf(buf, action); 1331 1332 #if defined(FEAT_LISTCMDS) \ 1333 && (defined(FEAT_SCROLLBIND) || defined(FEAT_CURSORBIND)) 1334 if (action == DOBUF_SPLIT) 1335 { 1336 RESET_BINDING(curwin); /* reset 'scrollbind' and 'cursorbind' */ 1337 } 1338 #endif 1339 1340 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1341 if (aborting()) /* autocmds may abort script processing */ 1342 return FAIL; 1343 #endif 1344 1345 return OK; 1346 } 1347 1348 #endif /* FEAT_LISTCMDS */ 1349 1350 /* 1351 * Set current buffer to "buf". Executes autocommands and closes current 1352 * buffer. "action" tells how to close the current buffer: 1353 * DOBUF_GOTO free or hide it 1354 * DOBUF_SPLIT nothing 1355 * DOBUF_UNLOAD unload it 1356 * DOBUF_DEL delete it 1357 * DOBUF_WIPE wipe it out 1358 */ 1359 void 1360 set_curbuf(buf, action) 1361 buf_T *buf; 1362 int action; 1363 { 1364 buf_T *prevbuf; 1365 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1366 || action == DOBUF_WIPE); 1367 1368 setpcmark(); 1369 if (!cmdmod.keepalt) 1370 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1371 buflist_altfpos(curwin); /* remember curpos */ 1372 1373 #ifdef FEAT_VISUAL 1374 /* Don't restart Select mode after switching to another buffer. */ 1375 VIsual_reselect = FALSE; 1376 #endif 1377 1378 /* close_windows() or apply_autocmds() may change curbuf */ 1379 prevbuf = curbuf; 1380 1381 #ifdef FEAT_AUTOCMD 1382 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1383 # ifdef FEAT_EVAL 1384 if (buf_valid(prevbuf) && !aborting()) 1385 # else 1386 if (buf_valid(prevbuf)) 1387 # endif 1388 #endif 1389 { 1390 #ifdef FEAT_SYN_HL 1391 if (prevbuf == curwin->w_buffer) 1392 reset_synblock(curwin); 1393 #endif 1394 #ifdef FEAT_WINDOWS 1395 if (unload) 1396 close_windows(prevbuf, FALSE); 1397 #endif 1398 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1399 if (buf_valid(prevbuf) && !aborting()) 1400 #else 1401 if (buf_valid(prevbuf)) 1402 #endif 1403 { 1404 #ifdef FEAT_WINDOWS 1405 win_T *previouswin = curwin; 1406 #endif 1407 if (prevbuf == curbuf) 1408 u_sync(FALSE); 1409 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1410 unload ? action : (action == DOBUF_GOTO 1411 && !P_HID(prevbuf) 1412 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE); 1413 #ifdef FEAT_WINDOWS 1414 if (curwin != previouswin && win_valid(previouswin)) 1415 /* autocommands changed curwin, Grr! */ 1416 curwin = previouswin; 1417 #endif 1418 } 1419 } 1420 #ifdef FEAT_AUTOCMD 1421 /* An autocommand may have deleted "buf", already entered it (e.g., when 1422 * it did ":bunload") or aborted the script processing! 1423 * If curwin->w_buffer is null, enter_buffer() will make it valid again */ 1424 if ((buf_valid(buf) && buf != curbuf 1425 # ifdef FEAT_EVAL 1426 && !aborting() 1427 # endif 1428 # ifdef FEAT_WINDOWS 1429 ) || curwin->w_buffer == NULL 1430 # endif 1431 ) 1432 #endif 1433 enter_buffer(buf); 1434 } 1435 1436 /* 1437 * Enter a new current buffer. 1438 * Old curbuf must have been abandoned already! 1439 */ 1440 void 1441 enter_buffer(buf) 1442 buf_T *buf; 1443 { 1444 /* Copy buffer and window local option values. Not for a help buffer. */ 1445 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1446 if (!buf->b_help) 1447 get_winopts(buf); 1448 #ifdef FEAT_FOLDING 1449 else 1450 /* Remove all folds in the window. */ 1451 clearFolding(curwin); 1452 foldUpdateAll(curwin); /* update folds (later). */ 1453 #endif 1454 1455 /* Get the buffer in the current window. */ 1456 curwin->w_buffer = buf; 1457 curbuf = buf; 1458 ++curbuf->b_nwindows; 1459 1460 #ifdef FEAT_DIFF 1461 if (curwin->w_p_diff) 1462 diff_buf_add(curbuf); 1463 #endif 1464 1465 #ifdef FEAT_SYN_HL 1466 curwin->w_s = &(buf->b_s); 1467 #endif 1468 1469 /* Cursor on first line by default. */ 1470 curwin->w_cursor.lnum = 1; 1471 curwin->w_cursor.col = 0; 1472 #ifdef FEAT_VIRTUALEDIT 1473 curwin->w_cursor.coladd = 0; 1474 #endif 1475 curwin->w_set_curswant = TRUE; 1476 #ifdef FEAT_AUTOCMD 1477 curwin->w_topline_was_set = FALSE; 1478 #endif 1479 1480 /* mark cursor position as being invalid */ 1481 curwin->w_valid = 0; 1482 1483 /* Make sure the buffer is loaded. */ 1484 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1485 { 1486 #ifdef FEAT_AUTOCMD 1487 /* If there is no filetype, allow for detecting one. Esp. useful for 1488 * ":ball" used in a autocommand. If there already is a filetype we 1489 * might prefer to keep it. */ 1490 if (*curbuf->b_p_ft == NUL) 1491 did_filetype = FALSE; 1492 #endif 1493 1494 open_buffer(FALSE, NULL, 0); 1495 } 1496 else 1497 { 1498 if (!msg_silent) 1499 need_fileinfo = TRUE; /* display file info after redraw */ 1500 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1501 #ifdef FEAT_AUTOCMD 1502 curwin->w_topline = 1; 1503 # ifdef FEAT_DIFF 1504 curwin->w_topfill = 0; 1505 # endif 1506 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1507 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1508 #endif 1509 } 1510 1511 /* If autocommands did not change the cursor position, restore cursor lnum 1512 * and possibly cursor col. */ 1513 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1514 buflist_getfpos(); 1515 1516 check_arg_idx(curwin); /* check for valid arg_idx */ 1517 #ifdef FEAT_TITLE 1518 maketitle(); 1519 #endif 1520 #ifdef FEAT_AUTOCMD 1521 /* when autocmds didn't change it */ 1522 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1523 #endif 1524 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1525 1526 #ifdef FEAT_NETBEANS_INTG 1527 /* Send fileOpened event because we've changed buffers. */ 1528 netbeans_file_activated(curbuf); 1529 #endif 1530 1531 /* Change directories when the 'acd' option is set. */ 1532 DO_AUTOCHDIR 1533 1534 #ifdef FEAT_KEYMAP 1535 if (curbuf->b_kmap_state & KEYMAP_INIT) 1536 (void)keymap_init(); 1537 #endif 1538 #ifdef FEAT_SPELL 1539 /* May need to set the spell language. Can only do this after the buffer 1540 * has been properly setup. */ 1541 if (!curbuf->b_help && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 1542 (void)did_set_spelllang(curwin); 1543 #endif 1544 1545 redraw_later(NOT_VALID); 1546 } 1547 1548 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1549 /* 1550 * Change to the directory of the current buffer. 1551 */ 1552 void 1553 do_autochdir() 1554 { 1555 if (curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) 1556 shorten_fnames(TRUE); 1557 } 1558 #endif 1559 1560 /* 1561 * functions for dealing with the buffer list 1562 */ 1563 1564 /* 1565 * Add a file name to the buffer list. Return a pointer to the buffer. 1566 * If the same file name already exists return a pointer to that buffer. 1567 * If it does not exist, or if fname == NULL, a new entry is created. 1568 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1569 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1570 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1571 * This is the ONLY way to create a new buffer. 1572 */ 1573 static int top_file_num = 1; /* highest file number */ 1574 1575 buf_T * 1576 buflist_new(ffname, sfname, lnum, flags) 1577 char_u *ffname; /* full path of fname or relative */ 1578 char_u *sfname; /* short fname or NULL */ 1579 linenr_T lnum; /* preferred cursor line */ 1580 int flags; /* BLN_ defines */ 1581 { 1582 buf_T *buf; 1583 #ifdef UNIX 1584 struct stat st; 1585 #endif 1586 1587 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1588 1589 /* 1590 * If file name already exists in the list, update the entry. 1591 */ 1592 #ifdef UNIX 1593 /* On Unix we can use inode numbers when the file exists. Works better 1594 * for hard links. */ 1595 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1596 st.st_dev = (dev_T)-1; 1597 #endif 1598 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1599 #ifdef UNIX 1600 buflist_findname_stat(ffname, &st) 1601 #else 1602 buflist_findname(ffname) 1603 #endif 1604 ) != NULL) 1605 { 1606 vim_free(ffname); 1607 if (lnum != 0) 1608 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1609 /* copy the options now, if 'cpo' doesn't have 's' and not done 1610 * already */ 1611 buf_copy_options(buf, 0); 1612 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1613 { 1614 buf->b_p_bl = TRUE; 1615 #ifdef FEAT_AUTOCMD 1616 if (!(flags & BLN_DUMMY)) 1617 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1618 #endif 1619 } 1620 return buf; 1621 } 1622 1623 /* 1624 * If the current buffer has no name and no contents, use the current 1625 * buffer. Otherwise: Need to allocate a new buffer structure. 1626 * 1627 * This is the ONLY place where a new buffer structure is allocated! 1628 * (A spell file buffer is allocated in spell.c, but that's not a normal 1629 * buffer.) 1630 */ 1631 buf = NULL; 1632 if ((flags & BLN_CURBUF) 1633 && curbuf != NULL 1634 && curbuf->b_ffname == NULL 1635 && curbuf->b_nwindows <= 1 1636 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1637 { 1638 buf = curbuf; 1639 #ifdef FEAT_AUTOCMD 1640 /* It's like this buffer is deleted. Watch out for autocommands that 1641 * change curbuf! If that happens, allocate a new buffer anyway. */ 1642 if (curbuf->b_p_bl) 1643 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1644 if (buf == curbuf) 1645 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1646 # ifdef FEAT_EVAL 1647 if (aborting()) /* autocmds may abort script processing */ 1648 return NULL; 1649 # endif 1650 #endif 1651 #ifdef FEAT_QUICKFIX 1652 # ifdef FEAT_AUTOCMD 1653 if (buf == curbuf) 1654 # endif 1655 { 1656 /* Make sure 'bufhidden' and 'buftype' are empty */ 1657 clear_string_option(&buf->b_p_bh); 1658 clear_string_option(&buf->b_p_bt); 1659 } 1660 #endif 1661 } 1662 if (buf != curbuf || curbuf == NULL) 1663 { 1664 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1665 if (buf == NULL) 1666 { 1667 vim_free(ffname); 1668 return NULL; 1669 } 1670 } 1671 1672 if (ffname != NULL) 1673 { 1674 buf->b_ffname = ffname; 1675 buf->b_sfname = vim_strsave(sfname); 1676 } 1677 1678 clear_wininfo(buf); 1679 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1680 1681 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1682 || buf->b_wininfo == NULL) 1683 { 1684 vim_free(buf->b_ffname); 1685 buf->b_ffname = NULL; 1686 vim_free(buf->b_sfname); 1687 buf->b_sfname = NULL; 1688 if (buf != curbuf) 1689 free_buffer(buf); 1690 return NULL; 1691 } 1692 1693 if (buf == curbuf) 1694 { 1695 /* free all things allocated for this buffer */ 1696 buf_freeall(buf, 0); 1697 if (buf != curbuf) /* autocommands deleted the buffer! */ 1698 return NULL; 1699 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1700 if (aborting()) /* autocmds may abort script processing */ 1701 return NULL; 1702 #endif 1703 /* buf->b_nwindows = 0; why was this here? */ 1704 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1705 #ifdef FEAT_KEYMAP 1706 /* need to reload lmaps and set b:keymap_name */ 1707 curbuf->b_kmap_state |= KEYMAP_INIT; 1708 #endif 1709 } 1710 else 1711 { 1712 /* 1713 * put new buffer at the end of the buffer list 1714 */ 1715 buf->b_next = NULL; 1716 if (firstbuf == NULL) /* buffer list is empty */ 1717 { 1718 buf->b_prev = NULL; 1719 firstbuf = buf; 1720 } 1721 else /* append new buffer at end of list */ 1722 { 1723 lastbuf->b_next = buf; 1724 buf->b_prev = lastbuf; 1725 } 1726 lastbuf = buf; 1727 1728 buf->b_fnum = top_file_num++; 1729 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1730 { 1731 EMSG(_("W14: Warning: List of file names overflow")); 1732 if (emsg_silent == 0) 1733 { 1734 out_flush(); 1735 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1736 } 1737 top_file_num = 1; 1738 } 1739 1740 /* 1741 * Always copy the options from the current buffer. 1742 */ 1743 buf_copy_options(buf, BCO_ALWAYS); 1744 } 1745 1746 buf->b_wininfo->wi_fpos.lnum = lnum; 1747 buf->b_wininfo->wi_win = curwin; 1748 1749 #ifdef FEAT_EVAL 1750 /* init b: variables */ 1751 init_var_dict(&buf->b_vars, &buf->b_bufvar, VAR_SCOPE); 1752 #endif 1753 #ifdef FEAT_SYN_HL 1754 hash_init(&buf->b_s.b_keywtab); 1755 hash_init(&buf->b_s.b_keywtab_ic); 1756 #endif 1757 1758 buf->b_fname = buf->b_sfname; 1759 #ifdef UNIX 1760 if (st.st_dev == (dev_T)-1) 1761 buf->b_dev_valid = FALSE; 1762 else 1763 { 1764 buf->b_dev_valid = TRUE; 1765 buf->b_dev = st.st_dev; 1766 buf->b_ino = st.st_ino; 1767 } 1768 #endif 1769 buf->b_u_synced = TRUE; 1770 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1771 if (flags & BLN_DUMMY) 1772 buf->b_flags |= BF_DUMMY; 1773 buf_clear_file(buf); 1774 clrallmarks(buf); /* clear marks */ 1775 fmarks_check_names(buf); /* check file marks for this file */ 1776 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1777 #ifdef FEAT_AUTOCMD 1778 if (!(flags & BLN_DUMMY)) 1779 { 1780 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1781 if (flags & BLN_LISTED) 1782 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1783 # ifdef FEAT_EVAL 1784 if (aborting()) /* autocmds may abort script processing */ 1785 return NULL; 1786 # endif 1787 } 1788 #endif 1789 1790 return buf; 1791 } 1792 1793 /* 1794 * Free the memory for the options of a buffer. 1795 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1796 * 'fileencoding'. 1797 */ 1798 void 1799 free_buf_options(buf, free_p_ff) 1800 buf_T *buf; 1801 int free_p_ff; 1802 { 1803 if (free_p_ff) 1804 { 1805 #ifdef FEAT_MBYTE 1806 clear_string_option(&buf->b_p_fenc); 1807 #endif 1808 clear_string_option(&buf->b_p_ff); 1809 #ifdef FEAT_QUICKFIX 1810 clear_string_option(&buf->b_p_bh); 1811 clear_string_option(&buf->b_p_bt); 1812 #endif 1813 } 1814 #ifdef FEAT_FIND_ID 1815 clear_string_option(&buf->b_p_def); 1816 clear_string_option(&buf->b_p_inc); 1817 # ifdef FEAT_EVAL 1818 clear_string_option(&buf->b_p_inex); 1819 # endif 1820 #endif 1821 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1822 clear_string_option(&buf->b_p_inde); 1823 clear_string_option(&buf->b_p_indk); 1824 #endif 1825 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1826 clear_string_option(&buf->b_p_bexpr); 1827 #endif 1828 #if defined(FEAT_CRYPT) 1829 clear_string_option(&buf->b_p_cm); 1830 #endif 1831 #if defined(FEAT_EVAL) 1832 clear_string_option(&buf->b_p_fex); 1833 #endif 1834 #ifdef FEAT_CRYPT 1835 clear_string_option(&buf->b_p_key); 1836 #endif 1837 clear_string_option(&buf->b_p_kp); 1838 clear_string_option(&buf->b_p_mps); 1839 clear_string_option(&buf->b_p_fo); 1840 clear_string_option(&buf->b_p_flp); 1841 clear_string_option(&buf->b_p_isk); 1842 #ifdef FEAT_KEYMAP 1843 clear_string_option(&buf->b_p_keymap); 1844 ga_clear(&buf->b_kmap_ga); 1845 #endif 1846 #ifdef FEAT_COMMENTS 1847 clear_string_option(&buf->b_p_com); 1848 #endif 1849 #ifdef FEAT_FOLDING 1850 clear_string_option(&buf->b_p_cms); 1851 #endif 1852 clear_string_option(&buf->b_p_nf); 1853 #ifdef FEAT_SYN_HL 1854 clear_string_option(&buf->b_p_syn); 1855 #endif 1856 #ifdef FEAT_SPELL 1857 clear_string_option(&buf->b_s.b_p_spc); 1858 clear_string_option(&buf->b_s.b_p_spf); 1859 vim_free(buf->b_s.b_cap_prog); 1860 buf->b_s.b_cap_prog = NULL; 1861 clear_string_option(&buf->b_s.b_p_spl); 1862 #endif 1863 #ifdef FEAT_SEARCHPATH 1864 clear_string_option(&buf->b_p_sua); 1865 #endif 1866 #ifdef FEAT_AUTOCMD 1867 clear_string_option(&buf->b_p_ft); 1868 #endif 1869 #ifdef FEAT_CINDENT 1870 clear_string_option(&buf->b_p_cink); 1871 clear_string_option(&buf->b_p_cino); 1872 #endif 1873 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1874 clear_string_option(&buf->b_p_cinw); 1875 #endif 1876 #ifdef FEAT_INS_EXPAND 1877 clear_string_option(&buf->b_p_cpt); 1878 #endif 1879 #ifdef FEAT_COMPL_FUNC 1880 clear_string_option(&buf->b_p_cfu); 1881 clear_string_option(&buf->b_p_ofu); 1882 #endif 1883 #ifdef FEAT_QUICKFIX 1884 clear_string_option(&buf->b_p_gp); 1885 clear_string_option(&buf->b_p_mp); 1886 clear_string_option(&buf->b_p_efm); 1887 #endif 1888 clear_string_option(&buf->b_p_ep); 1889 clear_string_option(&buf->b_p_path); 1890 clear_string_option(&buf->b_p_tags); 1891 #ifdef FEAT_INS_EXPAND 1892 clear_string_option(&buf->b_p_dict); 1893 clear_string_option(&buf->b_p_tsr); 1894 #endif 1895 #ifdef FEAT_TEXTOBJ 1896 clear_string_option(&buf->b_p_qe); 1897 #endif 1898 buf->b_p_ar = -1; 1899 } 1900 1901 /* 1902 * get alternate file n 1903 * set linenr to lnum or altfpos.lnum if lnum == 0 1904 * also set cursor column to altfpos.col if 'startofline' is not set. 1905 * if (options & GETF_SETMARK) call setpcmark() 1906 * if (options & GETF_ALT) we are jumping to an alternate file. 1907 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1908 * 1909 * return FAIL for failure, OK for success 1910 */ 1911 int 1912 buflist_getfile(n, lnum, options, forceit) 1913 int n; 1914 linenr_T lnum; 1915 int options; 1916 int forceit; 1917 { 1918 buf_T *buf; 1919 #ifdef FEAT_WINDOWS 1920 win_T *wp = NULL; 1921 #endif 1922 pos_T *fpos; 1923 colnr_T col; 1924 1925 buf = buflist_findnr(n); 1926 if (buf == NULL) 1927 { 1928 if ((options & GETF_ALT) && n == 0) 1929 EMSG(_(e_noalt)); 1930 else 1931 EMSGN(_("E92: Buffer %ld not found"), n); 1932 return FAIL; 1933 } 1934 1935 /* if alternate file is the current buffer, nothing to do */ 1936 if (buf == curbuf) 1937 return OK; 1938 1939 if (text_locked()) 1940 { 1941 text_locked_msg(); 1942 return FAIL; 1943 } 1944 #ifdef FEAT_AUTOCMD 1945 if (curbuf_locked()) 1946 return FAIL; 1947 #endif 1948 1949 /* altfpos may be changed by getfile(), get it now */ 1950 if (lnum == 0) 1951 { 1952 fpos = buflist_findfpos(buf); 1953 lnum = fpos->lnum; 1954 col = fpos->col; 1955 } 1956 else 1957 col = 0; 1958 1959 #ifdef FEAT_WINDOWS 1960 if (options & GETF_SWITCH) 1961 { 1962 /* If 'switchbuf' contains "useopen": jump to first window containing 1963 * "buf" if one exists */ 1964 if (swb_flags & SWB_USEOPEN) 1965 wp = buf_jump_open_win(buf); 1966 /* If 'switchbuf' contians "usetab": jump to first window in any tab 1967 * page containing "buf" if one exists */ 1968 if (wp == NULL && (swb_flags & SWB_USETAB)) 1969 wp = buf_jump_open_tab(buf); 1970 /* If 'switchbuf' contains "split" or "newtab" and the current buffer 1971 * isn't empty: open new window */ 1972 if (wp == NULL && (swb_flags & (SWB_SPLIT | SWB_NEWTAB)) && !bufempty()) 1973 { 1974 if (swb_flags & SWB_NEWTAB) /* Open in a new tab */ 1975 tabpage_new(); 1976 else if (win_split(0, 0) == FAIL) /* Open in a new window */ 1977 return FAIL; 1978 RESET_BINDING(curwin); 1979 } 1980 } 1981 #endif 1982 1983 ++RedrawingDisabled; 1984 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1985 lnum, forceit) <= 0) 1986 { 1987 --RedrawingDisabled; 1988 1989 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1990 if (!p_sol && col != 0) 1991 { 1992 curwin->w_cursor.col = col; 1993 check_cursor_col(); 1994 #ifdef FEAT_VIRTUALEDIT 1995 curwin->w_cursor.coladd = 0; 1996 #endif 1997 curwin->w_set_curswant = TRUE; 1998 } 1999 return OK; 2000 } 2001 --RedrawingDisabled; 2002 return FAIL; 2003 } 2004 2005 /* 2006 * go to the last know line number for the current buffer 2007 */ 2008 void 2009 buflist_getfpos() 2010 { 2011 pos_T *fpos; 2012 2013 fpos = buflist_findfpos(curbuf); 2014 2015 curwin->w_cursor.lnum = fpos->lnum; 2016 check_cursor_lnum(); 2017 2018 if (p_sol) 2019 curwin->w_cursor.col = 0; 2020 else 2021 { 2022 curwin->w_cursor.col = fpos->col; 2023 check_cursor_col(); 2024 #ifdef FEAT_VIRTUALEDIT 2025 curwin->w_cursor.coladd = 0; 2026 #endif 2027 curwin->w_set_curswant = TRUE; 2028 } 2029 } 2030 2031 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2032 /* 2033 * Find file in buffer list by name (it has to be for the current window). 2034 * Returns NULL if not found. 2035 */ 2036 buf_T * 2037 buflist_findname_exp(fname) 2038 char_u *fname; 2039 { 2040 char_u *ffname; 2041 buf_T *buf = NULL; 2042 2043 /* First make the name into a full path name */ 2044 ffname = FullName_save(fname, 2045 #ifdef UNIX 2046 TRUE /* force expansion, get rid of symbolic links */ 2047 #else 2048 FALSE 2049 #endif 2050 ); 2051 if (ffname != NULL) 2052 { 2053 buf = buflist_findname(ffname); 2054 vim_free(ffname); 2055 } 2056 return buf; 2057 } 2058 #endif 2059 2060 /* 2061 * Find file in buffer list by name (it has to be for the current window). 2062 * "ffname" must have a full path. 2063 * Skips dummy buffers. 2064 * Returns NULL if not found. 2065 */ 2066 buf_T * 2067 buflist_findname(ffname) 2068 char_u *ffname; 2069 { 2070 #ifdef UNIX 2071 struct stat st; 2072 2073 if (mch_stat((char *)ffname, &st) < 0) 2074 st.st_dev = (dev_T)-1; 2075 return buflist_findname_stat(ffname, &st); 2076 } 2077 2078 /* 2079 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2080 * twice for the same file. 2081 * Returns NULL if not found. 2082 */ 2083 static buf_T * 2084 buflist_findname_stat(ffname, stp) 2085 char_u *ffname; 2086 struct stat *stp; 2087 { 2088 #endif 2089 buf_T *buf; 2090 2091 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2092 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2093 #ifdef UNIX 2094 , stp 2095 #endif 2096 )) 2097 return buf; 2098 return NULL; 2099 } 2100 2101 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 2102 /* 2103 * Find file in buffer list by a regexp pattern. 2104 * Return fnum of the found buffer. 2105 * Return < 0 for error. 2106 */ 2107 int 2108 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 2109 char_u *pattern; 2110 char_u *pattern_end; /* pointer to first char after pattern */ 2111 int unlisted; /* find unlisted buffers */ 2112 int diffmode UNUSED; /* find diff-mode buffers only */ 2113 { 2114 buf_T *buf; 2115 regprog_T *prog; 2116 int match = -1; 2117 int find_listed; 2118 char_u *pat; 2119 char_u *patend; 2120 int attempt; 2121 char_u *p; 2122 int toggledollar; 2123 2124 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2125 { 2126 if (*pattern == '%') 2127 match = curbuf->b_fnum; 2128 else 2129 match = curwin->w_alt_fnum; 2130 #ifdef FEAT_DIFF 2131 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2132 match = -1; 2133 #endif 2134 } 2135 2136 /* 2137 * Try four ways of matching a listed buffer: 2138 * attempt == 0: without '^' or '$' (at any position) 2139 * attempt == 1: with '^' at start (only at position 0) 2140 * attempt == 2: with '$' at end (only match at end) 2141 * attempt == 3: with '^' at start and '$' at end (only full match) 2142 * Repeat this for finding an unlisted buffer if there was no matching 2143 * listed buffer. 2144 */ 2145 else 2146 { 2147 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2148 if (pat == NULL) 2149 return -1; 2150 patend = pat + STRLEN(pat) - 1; 2151 toggledollar = (patend > pat && *patend == '$'); 2152 2153 /* First try finding a listed buffer. If not found and "unlisted" 2154 * is TRUE, try finding an unlisted buffer. */ 2155 find_listed = TRUE; 2156 for (;;) 2157 { 2158 for (attempt = 0; attempt <= 3; ++attempt) 2159 { 2160 /* may add '^' and '$' */ 2161 if (toggledollar) 2162 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2163 p = pat; 2164 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2165 ++p; 2166 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2167 if (prog == NULL) 2168 { 2169 vim_free(pat); 2170 return -1; 2171 } 2172 2173 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2174 if (buf->b_p_bl == find_listed 2175 #ifdef FEAT_DIFF 2176 && (!diffmode || diff_mode_buf(buf)) 2177 #endif 2178 && buflist_match(prog, buf) != NULL) 2179 { 2180 if (match >= 0) /* already found a match */ 2181 { 2182 match = -2; 2183 break; 2184 } 2185 match = buf->b_fnum; /* remember first match */ 2186 } 2187 2188 vim_free(prog); 2189 if (match >= 0) /* found one match */ 2190 break; 2191 } 2192 2193 /* Only search for unlisted buffers if there was no match with 2194 * a listed buffer. */ 2195 if (!unlisted || !find_listed || match != -1) 2196 break; 2197 find_listed = FALSE; 2198 } 2199 2200 vim_free(pat); 2201 } 2202 2203 if (match == -2) 2204 EMSG2(_("E93: More than one match for %s"), pattern); 2205 else if (match < 0) 2206 EMSG2(_("E94: No matching buffer for %s"), pattern); 2207 return match; 2208 } 2209 #endif 2210 2211 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2212 2213 /* 2214 * Find all buffer names that match. 2215 * For command line expansion of ":buf" and ":sbuf". 2216 * Return OK if matches found, FAIL otherwise. 2217 */ 2218 int 2219 ExpandBufnames(pat, num_file, file, options) 2220 char_u *pat; 2221 int *num_file; 2222 char_u ***file; 2223 int options; 2224 { 2225 int count = 0; 2226 buf_T *buf; 2227 int round; 2228 char_u *p; 2229 int attempt; 2230 regprog_T *prog; 2231 char_u *patc; 2232 2233 *num_file = 0; /* return values in case of FAIL */ 2234 *file = NULL; 2235 2236 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2237 if (*pat == '^') 2238 { 2239 patc = alloc((unsigned)STRLEN(pat) + 11); 2240 if (patc == NULL) 2241 return FAIL; 2242 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2243 STRCPY(patc + 11, pat + 1); 2244 } 2245 else 2246 patc = pat; 2247 2248 /* 2249 * attempt == 0: try match with '\<', match at start of word 2250 * attempt == 1: try match without '\<', match anywhere 2251 */ 2252 for (attempt = 0; attempt <= 1; ++attempt) 2253 { 2254 if (attempt > 0 && patc == pat) 2255 break; /* there was no anchor, no need to try again */ 2256 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2257 if (prog == NULL) 2258 { 2259 if (patc != pat) 2260 vim_free(patc); 2261 return FAIL; 2262 } 2263 2264 /* 2265 * round == 1: Count the matches. 2266 * round == 2: Build the array to keep the matches. 2267 */ 2268 for (round = 1; round <= 2; ++round) 2269 { 2270 count = 0; 2271 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2272 { 2273 if (!buf->b_p_bl) /* skip unlisted buffers */ 2274 continue; 2275 p = buflist_match(prog, buf); 2276 if (p != NULL) 2277 { 2278 if (round == 1) 2279 ++count; 2280 else 2281 { 2282 if (options & WILD_HOME_REPLACE) 2283 p = home_replace_save(buf, p); 2284 else 2285 p = vim_strsave(p); 2286 (*file)[count++] = p; 2287 } 2288 } 2289 } 2290 if (count == 0) /* no match found, break here */ 2291 break; 2292 if (round == 1) 2293 { 2294 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2295 if (*file == NULL) 2296 { 2297 vim_free(prog); 2298 if (patc != pat) 2299 vim_free(patc); 2300 return FAIL; 2301 } 2302 } 2303 } 2304 vim_free(prog); 2305 if (count) /* match(es) found, break here */ 2306 break; 2307 } 2308 2309 if (patc != pat) 2310 vim_free(patc); 2311 2312 *num_file = count; 2313 return (count == 0 ? FAIL : OK); 2314 } 2315 2316 #endif /* FEAT_CMDL_COMPL */ 2317 2318 #ifdef HAVE_BUFLIST_MATCH 2319 /* 2320 * Check for a match on the file name for buffer "buf" with regprog "prog". 2321 */ 2322 static char_u * 2323 buflist_match(prog, buf) 2324 regprog_T *prog; 2325 buf_T *buf; 2326 { 2327 char_u *match; 2328 2329 /* First try the short file name, then the long file name. */ 2330 match = fname_match(prog, buf->b_sfname); 2331 if (match == NULL) 2332 match = fname_match(prog, buf->b_ffname); 2333 2334 return match; 2335 } 2336 2337 /* 2338 * Try matching the regexp in "prog" with file name "name". 2339 * Return "name" when there is a match, NULL when not. 2340 */ 2341 static char_u * 2342 fname_match(prog, name) 2343 regprog_T *prog; 2344 char_u *name; 2345 { 2346 char_u *match = NULL; 2347 char_u *p; 2348 regmatch_T regmatch; 2349 2350 if (name != NULL) 2351 { 2352 regmatch.regprog = prog; 2353 #ifdef CASE_INSENSITIVE_FILENAME 2354 regmatch.rm_ic = TRUE; /* Always ignore case */ 2355 #else 2356 regmatch.rm_ic = FALSE; /* Never ignore case */ 2357 #endif 2358 2359 if (vim_regexec(®match, name, (colnr_T)0)) 2360 match = name; 2361 else 2362 { 2363 /* Replace $(HOME) with '~' and try matching again. */ 2364 p = home_replace_save(NULL, name); 2365 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2366 match = name; 2367 vim_free(p); 2368 } 2369 } 2370 2371 return match; 2372 } 2373 #endif 2374 2375 /* 2376 * find file in buffer list by number 2377 */ 2378 buf_T * 2379 buflist_findnr(nr) 2380 int nr; 2381 { 2382 buf_T *buf; 2383 2384 if (nr == 0) 2385 nr = curwin->w_alt_fnum; 2386 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2387 if (buf->b_fnum == nr) 2388 return (buf); 2389 return NULL; 2390 } 2391 2392 /* 2393 * Get name of file 'n' in the buffer list. 2394 * When the file has no name an empty string is returned. 2395 * home_replace() is used to shorten the file name (used for marks). 2396 * Returns a pointer to allocated memory, of NULL when failed. 2397 */ 2398 char_u * 2399 buflist_nr2name(n, fullname, helptail) 2400 int n; 2401 int fullname; 2402 int helptail; /* for help buffers return tail only */ 2403 { 2404 buf_T *buf; 2405 2406 buf = buflist_findnr(n); 2407 if (buf == NULL) 2408 return NULL; 2409 return home_replace_save(helptail ? buf : NULL, 2410 fullname ? buf->b_ffname : buf->b_fname); 2411 } 2412 2413 /* 2414 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2415 * When "copy_options" is TRUE save the local window option values. 2416 * When "lnum" is 0 only do the options. 2417 */ 2418 static void 2419 buflist_setfpos(buf, win, lnum, col, copy_options) 2420 buf_T *buf; 2421 win_T *win; 2422 linenr_T lnum; 2423 colnr_T col; 2424 int copy_options; 2425 { 2426 wininfo_T *wip; 2427 2428 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2429 if (wip->wi_win == win) 2430 break; 2431 if (wip == NULL) 2432 { 2433 /* allocate a new entry */ 2434 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2435 if (wip == NULL) 2436 return; 2437 wip->wi_win = win; 2438 if (lnum == 0) /* set lnum even when it's 0 */ 2439 lnum = 1; 2440 } 2441 else 2442 { 2443 /* remove the entry from the list */ 2444 if (wip->wi_prev) 2445 wip->wi_prev->wi_next = wip->wi_next; 2446 else 2447 buf->b_wininfo = wip->wi_next; 2448 if (wip->wi_next) 2449 wip->wi_next->wi_prev = wip->wi_prev; 2450 if (copy_options && wip->wi_optset) 2451 { 2452 clear_winopt(&wip->wi_opt); 2453 #ifdef FEAT_FOLDING 2454 deleteFoldRecurse(&wip->wi_folds); 2455 #endif 2456 } 2457 } 2458 if (lnum != 0) 2459 { 2460 wip->wi_fpos.lnum = lnum; 2461 wip->wi_fpos.col = col; 2462 } 2463 if (copy_options) 2464 { 2465 /* Save the window-specific option values. */ 2466 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2467 #ifdef FEAT_FOLDING 2468 wip->wi_fold_manual = win->w_fold_manual; 2469 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2470 #endif 2471 wip->wi_optset = TRUE; 2472 } 2473 2474 /* insert the entry in front of the list */ 2475 wip->wi_next = buf->b_wininfo; 2476 buf->b_wininfo = wip; 2477 wip->wi_prev = NULL; 2478 if (wip->wi_next) 2479 wip->wi_next->wi_prev = wip; 2480 2481 return; 2482 } 2483 2484 #ifdef FEAT_DIFF 2485 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2486 2487 /* 2488 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2489 * page. That's because a diff is local to a tab page. 2490 */ 2491 static int 2492 wininfo_other_tab_diff(wip) 2493 wininfo_T *wip; 2494 { 2495 win_T *wp; 2496 2497 if (wip->wi_opt.wo_diff) 2498 { 2499 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2500 /* return FALSE when it's a window in the current tab page, thus 2501 * the buffer was in diff mode here */ 2502 if (wip->wi_win == wp) 2503 return FALSE; 2504 return TRUE; 2505 } 2506 return FALSE; 2507 } 2508 #endif 2509 2510 /* 2511 * Find info for the current window in buffer "buf". 2512 * If not found, return the info for the most recently used window. 2513 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2514 * another tab page. 2515 * Returns NULL when there isn't any info. 2516 */ 2517 static wininfo_T * 2518 find_wininfo(buf, skip_diff_buffer) 2519 buf_T *buf; 2520 int skip_diff_buffer UNUSED; 2521 { 2522 wininfo_T *wip; 2523 2524 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2525 if (wip->wi_win == curwin 2526 #ifdef FEAT_DIFF 2527 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2528 #endif 2529 ) 2530 break; 2531 2532 /* If no wininfo for curwin, use the first in the list (that doesn't have 2533 * 'diff' set and is in another tab page). */ 2534 if (wip == NULL) 2535 { 2536 #ifdef FEAT_DIFF 2537 if (skip_diff_buffer) 2538 { 2539 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2540 if (!wininfo_other_tab_diff(wip)) 2541 break; 2542 } 2543 else 2544 #endif 2545 wip = buf->b_wininfo; 2546 } 2547 return wip; 2548 } 2549 2550 /* 2551 * Reset the local window options to the values last used in this window. 2552 * If the buffer wasn't used in this window before, use the values from 2553 * the most recently used window. If the values were never set, use the 2554 * global values for the window. 2555 */ 2556 void 2557 get_winopts(buf) 2558 buf_T *buf; 2559 { 2560 wininfo_T *wip; 2561 2562 clear_winopt(&curwin->w_onebuf_opt); 2563 #ifdef FEAT_FOLDING 2564 clearFolding(curwin); 2565 #endif 2566 2567 wip = find_wininfo(buf, TRUE); 2568 if (wip != NULL && wip->wi_optset) 2569 { 2570 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2571 #ifdef FEAT_FOLDING 2572 curwin->w_fold_manual = wip->wi_fold_manual; 2573 curwin->w_foldinvalid = TRUE; 2574 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2575 #endif 2576 } 2577 else 2578 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2579 2580 #ifdef FEAT_FOLDING 2581 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2582 if (p_fdls >= 0) 2583 curwin->w_p_fdl = p_fdls; 2584 #endif 2585 #ifdef FEAT_SYN_HL 2586 check_colorcolumn(curwin); 2587 #endif 2588 } 2589 2590 /* 2591 * Find the position (lnum and col) for the buffer 'buf' for the current 2592 * window. 2593 * Returns a pointer to no_position if no position is found. 2594 */ 2595 pos_T * 2596 buflist_findfpos(buf) 2597 buf_T *buf; 2598 { 2599 wininfo_T *wip; 2600 static pos_T no_position = INIT_POS_T(1, 0, 0); 2601 2602 wip = find_wininfo(buf, FALSE); 2603 if (wip != NULL) 2604 return &(wip->wi_fpos); 2605 else 2606 return &no_position; 2607 } 2608 2609 /* 2610 * Find the lnum for the buffer 'buf' for the current window. 2611 */ 2612 linenr_T 2613 buflist_findlnum(buf) 2614 buf_T *buf; 2615 { 2616 return buflist_findfpos(buf)->lnum; 2617 } 2618 2619 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2620 /* 2621 * List all know file names (for :files and :buffers command). 2622 */ 2623 void 2624 buflist_list(eap) 2625 exarg_T *eap; 2626 { 2627 buf_T *buf; 2628 int len; 2629 int i; 2630 2631 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2632 { 2633 /* skip unlisted buffers, unless ! was used */ 2634 if (!buf->b_p_bl && !eap->forceit) 2635 continue; 2636 msg_putchar('\n'); 2637 if (buf_spname(buf) != NULL) 2638 STRCPY(NameBuff, buf_spname(buf)); 2639 else 2640 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2641 2642 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2643 buf->b_fnum, 2644 buf->b_p_bl ? ' ' : 'u', 2645 buf == curbuf ? '%' : 2646 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2647 buf->b_ml.ml_mfp == NULL ? ' ' : 2648 (buf->b_nwindows == 0 ? 'h' : 'a'), 2649 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2650 (buf->b_flags & BF_READERR) ? 'x' 2651 : (bufIsChanged(buf) ? '+' : ' '), 2652 NameBuff); 2653 2654 /* put "line 999" in column 40 or after the file name */ 2655 i = 40 - vim_strsize(IObuff); 2656 do 2657 { 2658 IObuff[len++] = ' '; 2659 } while (--i > 0 && len < IOSIZE - 18); 2660 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2661 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2662 : (long)buflist_findlnum(buf)); 2663 msg_outtrans(IObuff); 2664 out_flush(); /* output one line at a time */ 2665 ui_breakcheck(); 2666 } 2667 } 2668 #endif 2669 2670 /* 2671 * Get file name and line number for file 'fnum'. 2672 * Used by DoOneCmd() for translating '%' and '#'. 2673 * Used by insert_reg() and cmdline_paste() for '#' register. 2674 * Return FAIL if not found, OK for success. 2675 */ 2676 int 2677 buflist_name_nr(fnum, fname, lnum) 2678 int fnum; 2679 char_u **fname; 2680 linenr_T *lnum; 2681 { 2682 buf_T *buf; 2683 2684 buf = buflist_findnr(fnum); 2685 if (buf == NULL || buf->b_fname == NULL) 2686 return FAIL; 2687 2688 *fname = buf->b_fname; 2689 *lnum = buflist_findlnum(buf); 2690 2691 return OK; 2692 } 2693 2694 /* 2695 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2696 * The file name with the full path is also remembered, for when :cd is used. 2697 * Returns FAIL for failure (file name already in use by other buffer) 2698 * OK otherwise. 2699 */ 2700 int 2701 setfname(buf, ffname, sfname, message) 2702 buf_T *buf; 2703 char_u *ffname, *sfname; 2704 int message; /* give message when buffer already exists */ 2705 { 2706 buf_T *obuf = NULL; 2707 #ifdef UNIX 2708 struct stat st; 2709 #endif 2710 2711 if (ffname == NULL || *ffname == NUL) 2712 { 2713 /* Removing the name. */ 2714 vim_free(buf->b_ffname); 2715 vim_free(buf->b_sfname); 2716 buf->b_ffname = NULL; 2717 buf->b_sfname = NULL; 2718 #ifdef UNIX 2719 st.st_dev = (dev_T)-1; 2720 #endif 2721 } 2722 else 2723 { 2724 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2725 if (ffname == NULL) /* out of memory */ 2726 return FAIL; 2727 2728 /* 2729 * if the file name is already used in another buffer: 2730 * - if the buffer is loaded, fail 2731 * - if the buffer is not loaded, delete it from the list 2732 */ 2733 #ifdef UNIX 2734 if (mch_stat((char *)ffname, &st) < 0) 2735 st.st_dev = (dev_T)-1; 2736 #endif 2737 if (!(buf->b_flags & BF_DUMMY)) 2738 #ifdef UNIX 2739 obuf = buflist_findname_stat(ffname, &st); 2740 #else 2741 obuf = buflist_findname(ffname); 2742 #endif 2743 if (obuf != NULL && obuf != buf) 2744 { 2745 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2746 { 2747 if (message) 2748 EMSG(_("E95: Buffer with this name already exists")); 2749 vim_free(ffname); 2750 return FAIL; 2751 } 2752 /* delete from the list */ 2753 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 2754 } 2755 sfname = vim_strsave(sfname); 2756 if (ffname == NULL || sfname == NULL) 2757 { 2758 vim_free(sfname); 2759 vim_free(ffname); 2760 return FAIL; 2761 } 2762 #ifdef USE_FNAME_CASE 2763 # ifdef USE_LONG_FNAME 2764 if (USE_LONG_FNAME) 2765 # endif 2766 fname_case(sfname, 0); /* set correct case for short file name */ 2767 #endif 2768 vim_free(buf->b_ffname); 2769 vim_free(buf->b_sfname); 2770 buf->b_ffname = ffname; 2771 buf->b_sfname = sfname; 2772 } 2773 buf->b_fname = buf->b_sfname; 2774 #ifdef UNIX 2775 if (st.st_dev == (dev_T)-1) 2776 buf->b_dev_valid = FALSE; 2777 else 2778 { 2779 buf->b_dev_valid = TRUE; 2780 buf->b_dev = st.st_dev; 2781 buf->b_ino = st.st_ino; 2782 } 2783 #endif 2784 2785 #ifndef SHORT_FNAME 2786 buf->b_shortname = FALSE; 2787 #endif 2788 2789 buf_name_changed(buf); 2790 return OK; 2791 } 2792 2793 /* 2794 * Crude way of changing the name of a buffer. Use with care! 2795 * The name should be relative to the current directory. 2796 */ 2797 void 2798 buf_set_name(fnum, name) 2799 int fnum; 2800 char_u *name; 2801 { 2802 buf_T *buf; 2803 2804 buf = buflist_findnr(fnum); 2805 if (buf != NULL) 2806 { 2807 vim_free(buf->b_sfname); 2808 vim_free(buf->b_ffname); 2809 buf->b_ffname = vim_strsave(name); 2810 buf->b_sfname = NULL; 2811 /* Allocate ffname and expand into full path. Also resolves .lnk 2812 * files on Win32. */ 2813 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2814 buf->b_fname = buf->b_sfname; 2815 } 2816 } 2817 2818 /* 2819 * Take care of what needs to be done when the name of buffer "buf" has 2820 * changed. 2821 */ 2822 void 2823 buf_name_changed(buf) 2824 buf_T *buf; 2825 { 2826 /* 2827 * If the file name changed, also change the name of the swapfile 2828 */ 2829 if (buf->b_ml.ml_mfp != NULL) 2830 ml_setname(buf); 2831 2832 if (curwin->w_buffer == buf) 2833 check_arg_idx(curwin); /* check file name for arg list */ 2834 #ifdef FEAT_TITLE 2835 maketitle(); /* set window title */ 2836 #endif 2837 #ifdef FEAT_WINDOWS 2838 status_redraw_all(); /* status lines need to be redrawn */ 2839 #endif 2840 fmarks_check_names(buf); /* check named file marks */ 2841 ml_timestamp(buf); /* reset timestamp */ 2842 } 2843 2844 /* 2845 * set alternate file name for current window 2846 * 2847 * Used by do_one_cmd(), do_write() and do_ecmd(). 2848 * Return the buffer. 2849 */ 2850 buf_T * 2851 setaltfname(ffname, sfname, lnum) 2852 char_u *ffname; 2853 char_u *sfname; 2854 linenr_T lnum; 2855 { 2856 buf_T *buf; 2857 2858 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2859 buf = buflist_new(ffname, sfname, lnum, 0); 2860 if (buf != NULL && !cmdmod.keepalt) 2861 curwin->w_alt_fnum = buf->b_fnum; 2862 return buf; 2863 } 2864 2865 /* 2866 * Get alternate file name for current window. 2867 * Return NULL if there isn't any, and give error message if requested. 2868 */ 2869 char_u * 2870 getaltfname(errmsg) 2871 int errmsg; /* give error message */ 2872 { 2873 char_u *fname; 2874 linenr_T dummy; 2875 2876 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2877 { 2878 if (errmsg) 2879 EMSG(_(e_noalt)); 2880 return NULL; 2881 } 2882 return fname; 2883 } 2884 2885 /* 2886 * Add a file name to the buflist and return its number. 2887 * Uses same flags as buflist_new(), except BLN_DUMMY. 2888 * 2889 * used by qf_init(), main() and doarglist() 2890 */ 2891 int 2892 buflist_add(fname, flags) 2893 char_u *fname; 2894 int flags; 2895 { 2896 buf_T *buf; 2897 2898 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2899 if (buf != NULL) 2900 return buf->b_fnum; 2901 return 0; 2902 } 2903 2904 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2905 /* 2906 * Adjust slashes in file names. Called after 'shellslash' was set. 2907 */ 2908 void 2909 buflist_slash_adjust() 2910 { 2911 buf_T *bp; 2912 2913 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2914 { 2915 if (bp->b_ffname != NULL) 2916 slash_adjust(bp->b_ffname); 2917 if (bp->b_sfname != NULL) 2918 slash_adjust(bp->b_sfname); 2919 } 2920 } 2921 #endif 2922 2923 /* 2924 * Set alternate cursor position for the current buffer and window "win". 2925 * Also save the local window option values. 2926 */ 2927 void 2928 buflist_altfpos(win) 2929 win_T *win; 2930 { 2931 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 2932 } 2933 2934 /* 2935 * Return TRUE if 'ffname' is not the same file as current file. 2936 * Fname must have a full path (expanded by mch_FullName()). 2937 */ 2938 int 2939 otherfile(ffname) 2940 char_u *ffname; 2941 { 2942 return otherfile_buf(curbuf, ffname 2943 #ifdef UNIX 2944 , NULL 2945 #endif 2946 ); 2947 } 2948 2949 static int 2950 otherfile_buf(buf, ffname 2951 #ifdef UNIX 2952 , stp 2953 #endif 2954 ) 2955 buf_T *buf; 2956 char_u *ffname; 2957 #ifdef UNIX 2958 struct stat *stp; 2959 #endif 2960 { 2961 /* no name is different */ 2962 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2963 return TRUE; 2964 if (fnamecmp(ffname, buf->b_ffname) == 0) 2965 return FALSE; 2966 #ifdef UNIX 2967 { 2968 struct stat st; 2969 2970 /* If no struct stat given, get it now */ 2971 if (stp == NULL) 2972 { 2973 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 2974 st.st_dev = (dev_T)-1; 2975 stp = &st; 2976 } 2977 /* Use dev/ino to check if the files are the same, even when the names 2978 * are different (possible with links). Still need to compare the 2979 * name above, for when the file doesn't exist yet. 2980 * Problem: The dev/ino changes when a file is deleted (and created 2981 * again) and remains the same when renamed/moved. We don't want to 2982 * mch_stat() each buffer each time, that would be too slow. Get the 2983 * dev/ino again when they appear to match, but not when they appear 2984 * to be different: Could skip a buffer when it's actually the same 2985 * file. */ 2986 if (buf_same_ino(buf, stp)) 2987 { 2988 buf_setino(buf); 2989 if (buf_same_ino(buf, stp)) 2990 return FALSE; 2991 } 2992 } 2993 #endif 2994 return TRUE; 2995 } 2996 2997 #if defined(UNIX) || defined(PROTO) 2998 /* 2999 * Set inode and device number for a buffer. 3000 * Must always be called when b_fname is changed!. 3001 */ 3002 void 3003 buf_setino(buf) 3004 buf_T *buf; 3005 { 3006 struct stat st; 3007 3008 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3009 { 3010 buf->b_dev_valid = TRUE; 3011 buf->b_dev = st.st_dev; 3012 buf->b_ino = st.st_ino; 3013 } 3014 else 3015 buf->b_dev_valid = FALSE; 3016 } 3017 3018 /* 3019 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3020 */ 3021 static int 3022 buf_same_ino(buf, stp) 3023 buf_T *buf; 3024 struct stat *stp; 3025 { 3026 return (buf->b_dev_valid 3027 && stp->st_dev == buf->b_dev 3028 && stp->st_ino == buf->b_ino); 3029 } 3030 #endif 3031 3032 /* 3033 * Print info about the current buffer. 3034 */ 3035 void 3036 fileinfo(fullname, shorthelp, dont_truncate) 3037 int fullname; /* when non-zero print full path */ 3038 int shorthelp; 3039 int dont_truncate; 3040 { 3041 char_u *name; 3042 int n; 3043 char_u *p; 3044 char_u *buffer; 3045 size_t len; 3046 3047 buffer = alloc(IOSIZE); 3048 if (buffer == NULL) 3049 return; 3050 3051 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3052 { 3053 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3054 p = buffer + STRLEN(buffer); 3055 } 3056 else 3057 p = buffer; 3058 3059 *p++ = '"'; 3060 if (buf_spname(curbuf) != NULL) 3061 STRCPY(p, buf_spname(curbuf)); 3062 else 3063 { 3064 if (!fullname && curbuf->b_fname != NULL) 3065 name = curbuf->b_fname; 3066 else 3067 name = curbuf->b_ffname; 3068 home_replace(shorthelp ? curbuf : NULL, name, p, 3069 (int)(IOSIZE - (p - buffer)), TRUE); 3070 } 3071 3072 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3073 curbufIsChanged() ? (shortmess(SHM_MOD) 3074 ? " [+]" : _(" [Modified]")) : " ", 3075 (curbuf->b_flags & BF_NOTEDITED) 3076 #ifdef FEAT_QUICKFIX 3077 && !bt_dontwrite(curbuf) 3078 #endif 3079 ? _("[Not edited]") : "", 3080 (curbuf->b_flags & BF_NEW) 3081 #ifdef FEAT_QUICKFIX 3082 && !bt_dontwrite(curbuf) 3083 #endif 3084 ? _("[New file]") : "", 3085 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3086 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 3087 : _("[readonly]")) : "", 3088 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3089 || curbuf->b_p_ro) ? 3090 " " : ""); 3091 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3092 * causes an overflow, thus for large numbers divide instead. */ 3093 if (curwin->w_cursor.lnum > 1000000L) 3094 n = (int)(((long)curwin->w_cursor.lnum) / 3095 ((long)curbuf->b_ml.ml_line_count / 100L)); 3096 else 3097 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3098 (long)curbuf->b_ml.ml_line_count); 3099 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3100 { 3101 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3102 } 3103 #ifdef FEAT_CMDL_INFO 3104 else if (p_ru) 3105 { 3106 /* Current line and column are already on the screen -- webb */ 3107 if (curbuf->b_ml.ml_line_count == 1) 3108 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3109 else 3110 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3111 (long)curbuf->b_ml.ml_line_count, n); 3112 } 3113 #endif 3114 else 3115 { 3116 vim_snprintf_add((char *)buffer, IOSIZE, 3117 _("line %ld of %ld --%d%%-- col "), 3118 (long)curwin->w_cursor.lnum, 3119 (long)curbuf->b_ml.ml_line_count, 3120 n); 3121 validate_virtcol(); 3122 len = STRLEN(buffer); 3123 col_print(buffer + len, IOSIZE - len, 3124 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3125 } 3126 3127 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3128 3129 if (dont_truncate) 3130 { 3131 /* Temporarily set msg_scroll to avoid the message being truncated. 3132 * First call msg_start() to get the message in the right place. */ 3133 msg_start(); 3134 n = msg_scroll; 3135 msg_scroll = TRUE; 3136 msg(buffer); 3137 msg_scroll = n; 3138 } 3139 else 3140 { 3141 p = msg_trunc_attr(buffer, FALSE, 0); 3142 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3143 /* Need to repeat the message after redrawing when: 3144 * - When restart_edit is set (otherwise there will be a delay 3145 * before redrawing). 3146 * - When the screen was scrolled but there is no wait-return 3147 * prompt. */ 3148 set_keep_msg(p, 0); 3149 } 3150 3151 vim_free(buffer); 3152 } 3153 3154 void 3155 col_print(buf, buflen, col, vcol) 3156 char_u *buf; 3157 size_t buflen; 3158 int col; 3159 int vcol; 3160 { 3161 if (col == vcol) 3162 vim_snprintf((char *)buf, buflen, "%d", col); 3163 else 3164 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3165 } 3166 3167 #if defined(FEAT_TITLE) || defined(PROTO) 3168 /* 3169 * put file name in title bar of window and in icon title 3170 */ 3171 3172 static char_u *lasttitle = NULL; 3173 static char_u *lasticon = NULL; 3174 3175 void 3176 maketitle() 3177 { 3178 char_u *p; 3179 char_u *t_str = NULL; 3180 char_u *i_name; 3181 char_u *i_str = NULL; 3182 int maxlen = 0; 3183 int len; 3184 int mustset; 3185 char_u buf[IOSIZE]; 3186 int off; 3187 3188 if (!redrawing()) 3189 { 3190 /* Postpone updating the title when 'lazyredraw' is set. */ 3191 need_maketitle = TRUE; 3192 return; 3193 } 3194 3195 need_maketitle = FALSE; 3196 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3197 return; 3198 3199 if (p_title) 3200 { 3201 if (p_titlelen > 0) 3202 { 3203 maxlen = p_titlelen * Columns / 100; 3204 if (maxlen < 10) 3205 maxlen = 10; 3206 } 3207 3208 t_str = buf; 3209 if (*p_titlestring != NUL) 3210 { 3211 #ifdef FEAT_STL_OPT 3212 if (stl_syntax & STL_IN_TITLE) 3213 { 3214 int use_sandbox = FALSE; 3215 int save_called_emsg = called_emsg; 3216 3217 # ifdef FEAT_EVAL 3218 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3219 # endif 3220 called_emsg = FALSE; 3221 build_stl_str_hl(curwin, t_str, sizeof(buf), 3222 p_titlestring, use_sandbox, 3223 0, maxlen, NULL, NULL); 3224 if (called_emsg) 3225 set_string_option_direct((char_u *)"titlestring", -1, 3226 (char_u *)"", OPT_FREE, SID_ERROR); 3227 called_emsg |= save_called_emsg; 3228 } 3229 else 3230 #endif 3231 t_str = p_titlestring; 3232 } 3233 else 3234 { 3235 /* format: "fname + (path) (1 of 2) - VIM" */ 3236 3237 #define SPACE_FOR_FNAME (IOSIZE - 100) 3238 #define SPACE_FOR_DIR (IOSIZE - 20) 3239 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3240 if (curbuf->b_fname == NULL) 3241 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3242 else 3243 { 3244 p = transstr(gettail(curbuf->b_fname)); 3245 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3246 vim_free(p); 3247 } 3248 3249 switch (bufIsChanged(curbuf) 3250 + (curbuf->b_p_ro * 2) 3251 + (!curbuf->b_p_ma * 4)) 3252 { 3253 case 1: STRCAT(buf, " +"); break; 3254 case 2: STRCAT(buf, " ="); break; 3255 case 3: STRCAT(buf, " =+"); break; 3256 case 4: 3257 case 6: STRCAT(buf, " -"); break; 3258 case 5: 3259 case 7: STRCAT(buf, " -+"); break; 3260 } 3261 3262 if (curbuf->b_fname != NULL) 3263 { 3264 /* Get path of file, replace home dir with ~ */ 3265 off = (int)STRLEN(buf); 3266 buf[off++] = ' '; 3267 buf[off++] = '('; 3268 home_replace(curbuf, curbuf->b_ffname, 3269 buf + off, SPACE_FOR_DIR - off, TRUE); 3270 #ifdef BACKSLASH_IN_FILENAME 3271 /* avoid "c:/name" to be reduced to "c" */ 3272 if (isalpha(buf[off]) && buf[off + 1] == ':') 3273 off += 2; 3274 #endif 3275 /* remove the file name */ 3276 p = gettail_sep(buf + off); 3277 if (p == buf + off) 3278 /* must be a help buffer */ 3279 vim_strncpy(buf + off, (char_u *)_("help"), 3280 (size_t)(SPACE_FOR_DIR - off - 1)); 3281 else 3282 *p = NUL; 3283 3284 /* Translate unprintable chars and concatenate. Keep some 3285 * room for the server name. When there is no room (very long 3286 * file name) use (...). */ 3287 if (off < SPACE_FOR_DIR) 3288 { 3289 p = transstr(buf + off); 3290 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3291 vim_free(p); 3292 } 3293 else 3294 { 3295 vim_strncpy(buf + off, (char_u *)"...", 3296 (size_t)(SPACE_FOR_ARGNR - off)); 3297 } 3298 STRCAT(buf, ")"); 3299 } 3300 3301 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3302 3303 #if defined(FEAT_CLIENTSERVER) 3304 if (serverName != NULL) 3305 { 3306 STRCAT(buf, " - "); 3307 vim_strcat(buf, serverName, IOSIZE); 3308 } 3309 else 3310 #endif 3311 STRCAT(buf, " - VIM"); 3312 3313 if (maxlen > 0) 3314 { 3315 /* make it shorter by removing a bit in the middle */ 3316 if (vim_strsize(buf) > maxlen) 3317 trunc_string(buf, buf, maxlen, IOSIZE); 3318 } 3319 } 3320 } 3321 mustset = ti_change(t_str, &lasttitle); 3322 3323 if (p_icon) 3324 { 3325 i_str = buf; 3326 if (*p_iconstring != NUL) 3327 { 3328 #ifdef FEAT_STL_OPT 3329 if (stl_syntax & STL_IN_ICON) 3330 { 3331 int use_sandbox = FALSE; 3332 int save_called_emsg = called_emsg; 3333 3334 # ifdef FEAT_EVAL 3335 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3336 # endif 3337 called_emsg = FALSE; 3338 build_stl_str_hl(curwin, i_str, sizeof(buf), 3339 p_iconstring, use_sandbox, 3340 0, 0, NULL, NULL); 3341 if (called_emsg) 3342 set_string_option_direct((char_u *)"iconstring", -1, 3343 (char_u *)"", OPT_FREE, SID_ERROR); 3344 called_emsg |= save_called_emsg; 3345 } 3346 else 3347 #endif 3348 i_str = p_iconstring; 3349 } 3350 else 3351 { 3352 if (buf_spname(curbuf) != NULL) 3353 i_name = (char_u *)buf_spname(curbuf); 3354 else /* use file name only in icon */ 3355 i_name = gettail(curbuf->b_ffname); 3356 *i_str = NUL; 3357 /* Truncate name at 100 bytes. */ 3358 len = (int)STRLEN(i_name); 3359 if (len > 100) 3360 { 3361 len -= 100; 3362 #ifdef FEAT_MBYTE 3363 if (has_mbyte) 3364 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3365 #endif 3366 i_name += len; 3367 } 3368 STRCPY(i_str, i_name); 3369 trans_characters(i_str, IOSIZE); 3370 } 3371 } 3372 3373 mustset |= ti_change(i_str, &lasticon); 3374 3375 if (mustset) 3376 resettitle(); 3377 } 3378 3379 /* 3380 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3381 * from "str" if it does. 3382 * Return TRUE when "*last" changed. 3383 */ 3384 static int 3385 ti_change(str, last) 3386 char_u *str; 3387 char_u **last; 3388 { 3389 if ((str == NULL) != (*last == NULL) 3390 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3391 { 3392 vim_free(*last); 3393 if (str == NULL) 3394 *last = NULL; 3395 else 3396 *last = vim_strsave(str); 3397 return TRUE; 3398 } 3399 return FALSE; 3400 } 3401 3402 /* 3403 * Put current window title back (used after calling a shell) 3404 */ 3405 void 3406 resettitle() 3407 { 3408 mch_settitle(lasttitle, lasticon); 3409 } 3410 3411 # if defined(EXITFREE) || defined(PROTO) 3412 void 3413 free_titles() 3414 { 3415 vim_free(lasttitle); 3416 vim_free(lasticon); 3417 } 3418 # endif 3419 3420 #endif /* FEAT_TITLE */ 3421 3422 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3423 /* 3424 * Build a string from the status line items in "fmt". 3425 * Return length of string in screen cells. 3426 * 3427 * Normally works for window "wp", except when working for 'tabline' then it 3428 * is "curwin". 3429 * 3430 * Items are drawn interspersed with the text that surrounds it 3431 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3432 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3433 * 3434 * If maxwidth is not zero, the string will be filled at any middle marker 3435 * or truncated if too long, fillchar is used for all whitespace. 3436 */ 3437 int 3438 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, 3439 maxwidth, hltab, tabtab) 3440 win_T *wp; 3441 char_u *out; /* buffer to write into != NameBuff */ 3442 size_t outlen; /* length of out[] */ 3443 char_u *fmt; 3444 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3445 int fillchar; 3446 int maxwidth; 3447 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3448 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3449 { 3450 char_u *p; 3451 char_u *s; 3452 char_u *t; 3453 char_u *linecont; 3454 #ifdef FEAT_EVAL 3455 win_T *o_curwin; 3456 buf_T *o_curbuf; 3457 #endif 3458 int empty_line; 3459 colnr_T virtcol; 3460 long l; 3461 long n; 3462 int prevchar_isflag; 3463 int prevchar_isitem; 3464 int itemisflag; 3465 int fillable; 3466 char_u *str; 3467 long num; 3468 int width; 3469 int itemcnt; 3470 int curitem; 3471 int groupitem[STL_MAX_ITEM]; 3472 int groupdepth; 3473 struct stl_item 3474 { 3475 char_u *start; 3476 int minwid; 3477 int maxwid; 3478 enum 3479 { 3480 Normal, 3481 Empty, 3482 Group, 3483 Middle, 3484 Highlight, 3485 TabPage, 3486 Trunc 3487 } type; 3488 } item[STL_MAX_ITEM]; 3489 int minwid; 3490 int maxwid; 3491 int zeropad; 3492 char_u base; 3493 char_u opt; 3494 #define TMPLEN 70 3495 char_u tmp[TMPLEN]; 3496 char_u *usefmt = fmt; 3497 struct stl_hlrec *sp; 3498 3499 #ifdef FEAT_EVAL 3500 /* 3501 * When the format starts with "%!" then evaluate it as an expression and 3502 * use the result as the actual format string. 3503 */ 3504 if (fmt[0] == '%' && fmt[1] == '!') 3505 { 3506 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3507 if (usefmt == NULL) 3508 usefmt = fmt; 3509 } 3510 #endif 3511 3512 if (fillchar == 0) 3513 fillchar = ' '; 3514 #ifdef FEAT_MBYTE 3515 /* Can't handle a multi-byte fill character yet. */ 3516 else if (mb_char2len(fillchar) > 1) 3517 fillchar = '-'; 3518 #endif 3519 3520 /* 3521 * Get line & check if empty (cursorpos will show "0-1"). 3522 * If inversion is possible we use it. Else '=' characters are used. 3523 */ 3524 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3525 empty_line = (*linecont == NUL); 3526 3527 groupdepth = 0; 3528 p = out; 3529 curitem = 0; 3530 prevchar_isflag = TRUE; 3531 prevchar_isitem = FALSE; 3532 for (s = usefmt; *s; ) 3533 { 3534 if (curitem == STL_MAX_ITEM) 3535 { 3536 /* There are too many items. Add the error code to the statusline 3537 * to give the user a hint about what went wrong. */ 3538 if (p + 6 < out + outlen) 3539 { 3540 mch_memmove(p, " E541", (size_t)5); 3541 p += 5; 3542 } 3543 break; 3544 } 3545 3546 if (*s != NUL && *s != '%') 3547 prevchar_isflag = prevchar_isitem = FALSE; 3548 3549 /* 3550 * Handle up to the next '%' or the end. 3551 */ 3552 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3553 *p++ = *s++; 3554 if (*s == NUL || p + 1 >= out + outlen) 3555 break; 3556 3557 /* 3558 * Handle one '%' item. 3559 */ 3560 s++; 3561 if (*s == NUL) /* ignore trailing % */ 3562 break; 3563 if (*s == '%') 3564 { 3565 if (p + 1 >= out + outlen) 3566 break; 3567 *p++ = *s++; 3568 prevchar_isflag = prevchar_isitem = FALSE; 3569 continue; 3570 } 3571 if (*s == STL_MIDDLEMARK) 3572 { 3573 s++; 3574 if (groupdepth > 0) 3575 continue; 3576 item[curitem].type = Middle; 3577 item[curitem++].start = p; 3578 continue; 3579 } 3580 if (*s == STL_TRUNCMARK) 3581 { 3582 s++; 3583 item[curitem].type = Trunc; 3584 item[curitem++].start = p; 3585 continue; 3586 } 3587 if (*s == ')') 3588 { 3589 s++; 3590 if (groupdepth < 1) 3591 continue; 3592 groupdepth--; 3593 3594 t = item[groupitem[groupdepth]].start; 3595 *p = NUL; 3596 l = vim_strsize(t); 3597 if (curitem > groupitem[groupdepth] + 1 3598 && item[groupitem[groupdepth]].minwid == 0) 3599 { 3600 /* remove group if all items are empty */ 3601 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3602 if (item[n].type == Normal) 3603 break; 3604 if (n == curitem) 3605 { 3606 p = t; 3607 l = 0; 3608 } 3609 } 3610 if (l > item[groupitem[groupdepth]].maxwid) 3611 { 3612 /* truncate, remove n bytes of text at the start */ 3613 #ifdef FEAT_MBYTE 3614 if (has_mbyte) 3615 { 3616 /* Find the first character that should be included. */ 3617 n = 0; 3618 while (l >= item[groupitem[groupdepth]].maxwid) 3619 { 3620 l -= ptr2cells(t + n); 3621 n += (*mb_ptr2len)(t + n); 3622 } 3623 } 3624 else 3625 #endif 3626 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3627 3628 *t = '<'; 3629 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3630 p = p - n + 1; 3631 #ifdef FEAT_MBYTE 3632 /* Fill up space left over by half a double-wide char. */ 3633 while (++l < item[groupitem[groupdepth]].minwid) 3634 *p++ = fillchar; 3635 #endif 3636 3637 /* correct the start of the items for the truncation */ 3638 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3639 { 3640 item[l].start -= n; 3641 if (item[l].start < t) 3642 item[l].start = t; 3643 } 3644 } 3645 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3646 { 3647 /* fill */ 3648 n = item[groupitem[groupdepth]].minwid; 3649 if (n < 0) 3650 { 3651 /* fill by appending characters */ 3652 n = 0 - n; 3653 while (l++ < n && p + 1 < out + outlen) 3654 *p++ = fillchar; 3655 } 3656 else 3657 { 3658 /* fill by inserting characters */ 3659 mch_memmove(t + n - l, t, (size_t)(p - t)); 3660 l = n - l; 3661 if (p + l >= out + outlen) 3662 l = (long)((out + outlen) - p - 1); 3663 p += l; 3664 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3665 item[n].start += l; 3666 for ( ; l > 0; l--) 3667 *t++ = fillchar; 3668 } 3669 } 3670 continue; 3671 } 3672 minwid = 0; 3673 maxwid = 9999; 3674 zeropad = FALSE; 3675 l = 1; 3676 if (*s == '0') 3677 { 3678 s++; 3679 zeropad = TRUE; 3680 } 3681 if (*s == '-') 3682 { 3683 s++; 3684 l = -1; 3685 } 3686 if (VIM_ISDIGIT(*s)) 3687 { 3688 minwid = (int)getdigits(&s); 3689 if (minwid < 0) /* overflow */ 3690 minwid = 0; 3691 } 3692 if (*s == STL_USER_HL) 3693 { 3694 item[curitem].type = Highlight; 3695 item[curitem].start = p; 3696 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3697 s++; 3698 curitem++; 3699 continue; 3700 } 3701 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3702 { 3703 if (*s == STL_TABCLOSENR) 3704 { 3705 if (minwid == 0) 3706 { 3707 /* %X ends the close label, go back to the previously 3708 * define tab label nr. */ 3709 for (n = curitem - 1; n >= 0; --n) 3710 if (item[n].type == TabPage && item[n].minwid >= 0) 3711 { 3712 minwid = item[n].minwid; 3713 break; 3714 } 3715 } 3716 else 3717 /* close nrs are stored as negative values */ 3718 minwid = - minwid; 3719 } 3720 item[curitem].type = TabPage; 3721 item[curitem].start = p; 3722 item[curitem].minwid = minwid; 3723 s++; 3724 curitem++; 3725 continue; 3726 } 3727 if (*s == '.') 3728 { 3729 s++; 3730 if (VIM_ISDIGIT(*s)) 3731 { 3732 maxwid = (int)getdigits(&s); 3733 if (maxwid <= 0) /* overflow */ 3734 maxwid = 50; 3735 } 3736 } 3737 minwid = (minwid > 50 ? 50 : minwid) * l; 3738 if (*s == '(') 3739 { 3740 groupitem[groupdepth++] = curitem; 3741 item[curitem].type = Group; 3742 item[curitem].start = p; 3743 item[curitem].minwid = minwid; 3744 item[curitem].maxwid = maxwid; 3745 s++; 3746 curitem++; 3747 continue; 3748 } 3749 if (vim_strchr(STL_ALL, *s) == NULL) 3750 { 3751 s++; 3752 continue; 3753 } 3754 opt = *s++; 3755 3756 /* OK - now for the real work */ 3757 base = 'D'; 3758 itemisflag = FALSE; 3759 fillable = TRUE; 3760 num = -1; 3761 str = NULL; 3762 switch (opt) 3763 { 3764 case STL_FILEPATH: 3765 case STL_FULLPATH: 3766 case STL_FILENAME: 3767 fillable = FALSE; /* don't change ' ' to fillchar */ 3768 if (buf_spname(wp->w_buffer) != NULL) 3769 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3770 else 3771 { 3772 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3773 : wp->w_buffer->b_fname; 3774 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3775 } 3776 trans_characters(NameBuff, MAXPATHL); 3777 if (opt != STL_FILENAME) 3778 str = NameBuff; 3779 else 3780 str = gettail(NameBuff); 3781 break; 3782 3783 case STL_VIM_EXPR: /* '{' */ 3784 itemisflag = TRUE; 3785 t = p; 3786 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3787 *p++ = *s++; 3788 if (*s != '}') /* missing '}' or out of space */ 3789 break; 3790 s++; 3791 *p = 0; 3792 p = t; 3793 3794 #ifdef FEAT_EVAL 3795 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3796 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3797 3798 o_curbuf = curbuf; 3799 o_curwin = curwin; 3800 curwin = wp; 3801 curbuf = wp->w_buffer; 3802 3803 str = eval_to_string_safe(p, &t, use_sandbox); 3804 3805 curwin = o_curwin; 3806 curbuf = o_curbuf; 3807 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3808 3809 if (str != NULL && *str != 0) 3810 { 3811 if (*skipdigits(str) == NUL) 3812 { 3813 num = atoi((char *)str); 3814 vim_free(str); 3815 str = NULL; 3816 itemisflag = FALSE; 3817 } 3818 } 3819 #endif 3820 break; 3821 3822 case STL_LINE: 3823 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3824 ? 0L : (long)(wp->w_cursor.lnum); 3825 break; 3826 3827 case STL_NUMLINES: 3828 num = wp->w_buffer->b_ml.ml_line_count; 3829 break; 3830 3831 case STL_COLUMN: 3832 num = !(State & INSERT) && empty_line 3833 ? 0 : (int)wp->w_cursor.col + 1; 3834 break; 3835 3836 case STL_VIRTCOL: 3837 case STL_VIRTCOL_ALT: 3838 /* In list mode virtcol needs to be recomputed */ 3839 virtcol = wp->w_virtcol; 3840 if (wp->w_p_list && lcs_tab1 == NUL) 3841 { 3842 wp->w_p_list = FALSE; 3843 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3844 wp->w_p_list = TRUE; 3845 } 3846 ++virtcol; 3847 /* Don't display %V if it's the same as %c. */ 3848 if (opt == STL_VIRTCOL_ALT 3849 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3850 ? 0 : (int)wp->w_cursor.col + 1))) 3851 break; 3852 num = (long)virtcol; 3853 break; 3854 3855 case STL_PERCENTAGE: 3856 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3857 (long)wp->w_buffer->b_ml.ml_line_count); 3858 break; 3859 3860 case STL_ALTPERCENT: 3861 str = tmp; 3862 get_rel_pos(wp, str, TMPLEN); 3863 break; 3864 3865 case STL_ARGLISTSTAT: 3866 fillable = FALSE; 3867 tmp[0] = 0; 3868 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 3869 str = tmp; 3870 break; 3871 3872 case STL_KEYMAP: 3873 fillable = FALSE; 3874 if (get_keymap_str(wp, tmp, TMPLEN)) 3875 str = tmp; 3876 break; 3877 case STL_PAGENUM: 3878 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 3879 num = printer_page_num; 3880 #else 3881 num = 0; 3882 #endif 3883 break; 3884 3885 case STL_BUFNO: 3886 num = wp->w_buffer->b_fnum; 3887 break; 3888 3889 case STL_OFFSET_X: 3890 base = 'X'; 3891 case STL_OFFSET: 3892 #ifdef FEAT_BYTEOFF 3893 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3894 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3895 0L : l + 1 + (!(State & INSERT) && empty_line ? 3896 0 : (int)wp->w_cursor.col); 3897 #endif 3898 break; 3899 3900 case STL_BYTEVAL_X: 3901 base = 'X'; 3902 case STL_BYTEVAL: 3903 if (wp->w_cursor.col > (colnr_T)STRLEN(linecont)) 3904 num = 0; 3905 else 3906 { 3907 #ifdef FEAT_MBYTE 3908 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3909 #else 3910 num = linecont[wp->w_cursor.col]; 3911 #endif 3912 } 3913 if (num == NL) 3914 num = 0; 3915 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3916 num = NL; 3917 break; 3918 3919 case STL_ROFLAG: 3920 case STL_ROFLAG_ALT: 3921 itemisflag = TRUE; 3922 if (wp->w_buffer->b_p_ro) 3923 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3924 break; 3925 3926 case STL_HELPFLAG: 3927 case STL_HELPFLAG_ALT: 3928 itemisflag = TRUE; 3929 if (wp->w_buffer->b_help) 3930 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3931 : _("[Help]")); 3932 break; 3933 3934 #ifdef FEAT_AUTOCMD 3935 case STL_FILETYPE: 3936 if (*wp->w_buffer->b_p_ft != NUL 3937 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3938 { 3939 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3940 wp->w_buffer->b_p_ft); 3941 str = tmp; 3942 } 3943 break; 3944 3945 case STL_FILETYPE_ALT: 3946 itemisflag = TRUE; 3947 if (*wp->w_buffer->b_p_ft != NUL 3948 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3949 { 3950 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3951 wp->w_buffer->b_p_ft); 3952 for (t = tmp; *t != 0; t++) 3953 *t = TOUPPER_LOC(*t); 3954 str = tmp; 3955 } 3956 break; 3957 #endif 3958 3959 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3960 case STL_PREVIEWFLAG: 3961 case STL_PREVIEWFLAG_ALT: 3962 itemisflag = TRUE; 3963 if (wp->w_p_pvw) 3964 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3965 : _("[Preview]")); 3966 break; 3967 3968 case STL_QUICKFIX: 3969 if (bt_quickfix(wp->w_buffer)) 3970 str = (char_u *)(wp->w_llist_ref 3971 ? _(msg_loclist) 3972 : _(msg_qflist)); 3973 break; 3974 #endif 3975 3976 case STL_MODIFIED: 3977 case STL_MODIFIED_ALT: 3978 itemisflag = TRUE; 3979 switch ((opt == STL_MODIFIED_ALT) 3980 + bufIsChanged(wp->w_buffer) * 2 3981 + (!wp->w_buffer->b_p_ma) * 4) 3982 { 3983 case 2: str = (char_u *)"[+]"; break; 3984 case 3: str = (char_u *)",+"; break; 3985 case 4: str = (char_u *)"[-]"; break; 3986 case 5: str = (char_u *)",-"; break; 3987 case 6: str = (char_u *)"[+-]"; break; 3988 case 7: str = (char_u *)",+-"; break; 3989 } 3990 break; 3991 3992 case STL_HIGHLIGHT: 3993 t = s; 3994 while (*s != '#' && *s != NUL) 3995 ++s; 3996 if (*s == '#') 3997 { 3998 item[curitem].type = Highlight; 3999 item[curitem].start = p; 4000 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4001 curitem++; 4002 } 4003 ++s; 4004 continue; 4005 } 4006 4007 item[curitem].start = p; 4008 item[curitem].type = Normal; 4009 if (str != NULL && *str) 4010 { 4011 t = str; 4012 if (itemisflag) 4013 { 4014 if ((t[0] && t[1]) 4015 && ((!prevchar_isitem && *t == ',') 4016 || (prevchar_isflag && *t == ' '))) 4017 t++; 4018 prevchar_isflag = TRUE; 4019 } 4020 l = vim_strsize(t); 4021 if (l > 0) 4022 prevchar_isitem = TRUE; 4023 if (l > maxwid) 4024 { 4025 while (l >= maxwid) 4026 #ifdef FEAT_MBYTE 4027 if (has_mbyte) 4028 { 4029 l -= ptr2cells(t); 4030 t += (*mb_ptr2len)(t); 4031 } 4032 else 4033 #endif 4034 l -= byte2cells(*t++); 4035 if (p + 1 >= out + outlen) 4036 break; 4037 *p++ = '<'; 4038 } 4039 if (minwid > 0) 4040 { 4041 for (; l < minwid && p + 1 < out + outlen; l++) 4042 { 4043 /* Don't put a "-" in front of a digit. */ 4044 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4045 *p++ = ' '; 4046 else 4047 *p++ = fillchar; 4048 } 4049 minwid = 0; 4050 } 4051 else 4052 minwid *= -1; 4053 while (*t && p + 1 < out + outlen) 4054 { 4055 *p++ = *t++; 4056 /* Change a space by fillchar, unless fillchar is '-' and a 4057 * digit follows. */ 4058 if (fillable && p[-1] == ' ' 4059 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4060 p[-1] = fillchar; 4061 } 4062 for (; l < minwid && p + 1 < out + outlen; l++) 4063 *p++ = fillchar; 4064 } 4065 else if (num >= 0) 4066 { 4067 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4068 char_u nstr[20]; 4069 4070 if (p + 20 >= out + outlen) 4071 break; /* not sufficient space */ 4072 prevchar_isitem = TRUE; 4073 t = nstr; 4074 if (opt == STL_VIRTCOL_ALT) 4075 { 4076 *t++ = '-'; 4077 minwid--; 4078 } 4079 *t++ = '%'; 4080 if (zeropad) 4081 *t++ = '0'; 4082 *t++ = '*'; 4083 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4084 *t = 0; 4085 4086 for (n = num, l = 1; n >= nbase; n /= nbase) 4087 l++; 4088 if (opt == STL_VIRTCOL_ALT) 4089 l++; 4090 if (l > maxwid) 4091 { 4092 l += 2; 4093 n = l - maxwid; 4094 while (l-- > maxwid) 4095 num /= nbase; 4096 *t++ = '>'; 4097 *t++ = '%'; 4098 *t = t[-3]; 4099 *++t = 0; 4100 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4101 0, num, n); 4102 } 4103 else 4104 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4105 minwid, num); 4106 p += STRLEN(p); 4107 } 4108 else 4109 item[curitem].type = Empty; 4110 4111 if (opt == STL_VIM_EXPR) 4112 vim_free(str); 4113 4114 if (num >= 0 || (!itemisflag && str && *str)) 4115 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4116 curitem++; 4117 } 4118 *p = NUL; 4119 itemcnt = curitem; 4120 4121 #ifdef FEAT_EVAL 4122 if (usefmt != fmt) 4123 vim_free(usefmt); 4124 #endif 4125 4126 width = vim_strsize(out); 4127 if (maxwidth > 0 && width > maxwidth) 4128 { 4129 /* Result is too long, must truncate somewhere. */ 4130 l = 0; 4131 if (itemcnt == 0) 4132 s = out; 4133 else 4134 { 4135 for ( ; l < itemcnt; l++) 4136 if (item[l].type == Trunc) 4137 { 4138 /* Truncate at %< item. */ 4139 s = item[l].start; 4140 break; 4141 } 4142 if (l == itemcnt) 4143 { 4144 /* No %< item, truncate first item. */ 4145 s = item[0].start; 4146 l = 0; 4147 } 4148 } 4149 4150 if (width - vim_strsize(s) >= maxwidth) 4151 { 4152 /* Truncation mark is beyond max length */ 4153 #ifdef FEAT_MBYTE 4154 if (has_mbyte) 4155 { 4156 s = out; 4157 width = 0; 4158 for (;;) 4159 { 4160 width += ptr2cells(s); 4161 if (width >= maxwidth) 4162 break; 4163 s += (*mb_ptr2len)(s); 4164 } 4165 /* Fill up for half a double-wide character. */ 4166 while (++width < maxwidth) 4167 *s++ = fillchar; 4168 } 4169 else 4170 #endif 4171 s = out + maxwidth - 1; 4172 for (l = 0; l < itemcnt; l++) 4173 if (item[l].start > s) 4174 break; 4175 itemcnt = l; 4176 *s++ = '>'; 4177 *s = 0; 4178 } 4179 else 4180 { 4181 #ifdef FEAT_MBYTE 4182 if (has_mbyte) 4183 { 4184 n = 0; 4185 while (width >= maxwidth) 4186 { 4187 width -= ptr2cells(s + n); 4188 n += (*mb_ptr2len)(s + n); 4189 } 4190 } 4191 else 4192 #endif 4193 n = width - maxwidth + 1; 4194 p = s + n; 4195 STRMOVE(s + 1, p); 4196 *s = '<'; 4197 4198 /* Fill up for half a double-wide character. */ 4199 while (++width < maxwidth) 4200 { 4201 s = s + STRLEN(s); 4202 *s++ = fillchar; 4203 *s = NUL; 4204 } 4205 4206 --n; /* count the '<' */ 4207 for (; l < itemcnt; l++) 4208 { 4209 if (item[l].start - n >= s) 4210 item[l].start -= n; 4211 else 4212 item[l].start = s; 4213 } 4214 } 4215 width = maxwidth; 4216 } 4217 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4218 { 4219 /* Apply STL_MIDDLE if any */ 4220 for (l = 0; l < itemcnt; l++) 4221 if (item[l].type == Middle) 4222 break; 4223 if (l < itemcnt) 4224 { 4225 p = item[l].start + maxwidth - width; 4226 STRMOVE(p, item[l].start); 4227 for (s = item[l].start; s < p; s++) 4228 *s = fillchar; 4229 for (l++; l < itemcnt; l++) 4230 item[l].start += maxwidth - width; 4231 width = maxwidth; 4232 } 4233 } 4234 4235 /* Store the info about highlighting. */ 4236 if (hltab != NULL) 4237 { 4238 sp = hltab; 4239 for (l = 0; l < itemcnt; l++) 4240 { 4241 if (item[l].type == Highlight) 4242 { 4243 sp->start = item[l].start; 4244 sp->userhl = item[l].minwid; 4245 sp++; 4246 } 4247 } 4248 sp->start = NULL; 4249 sp->userhl = 0; 4250 } 4251 4252 /* Store the info about tab pages labels. */ 4253 if (tabtab != NULL) 4254 { 4255 sp = tabtab; 4256 for (l = 0; l < itemcnt; l++) 4257 { 4258 if (item[l].type == TabPage) 4259 { 4260 sp->start = item[l].start; 4261 sp->userhl = item[l].minwid; 4262 sp++; 4263 } 4264 } 4265 sp->start = NULL; 4266 sp->userhl = 0; 4267 } 4268 4269 return width; 4270 } 4271 #endif /* FEAT_STL_OPT */ 4272 4273 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4274 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4275 /* 4276 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4277 * using "Top", "Bot" or "All" when appropriate. 4278 */ 4279 void 4280 get_rel_pos(wp, buf, buflen) 4281 win_T *wp; 4282 char_u *buf; 4283 int buflen; 4284 { 4285 long above; /* number of lines above window */ 4286 long below; /* number of lines below window */ 4287 4288 above = wp->w_topline - 1; 4289 #ifdef FEAT_DIFF 4290 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4291 #endif 4292 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4293 if (below <= 0) 4294 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4295 (size_t)(buflen - 1)); 4296 else if (above <= 0) 4297 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4298 else 4299 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4300 ? (int)(above / ((above + below) / 100L)) 4301 : (int)(above * 100L / (above + below))); 4302 } 4303 #endif 4304 4305 /* 4306 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4307 * Return TRUE if it was appended. 4308 */ 4309 static int 4310 append_arg_number(wp, buf, buflen, add_file) 4311 win_T *wp; 4312 char_u *buf; 4313 int buflen; 4314 int add_file; /* Add "file" before the arg number */ 4315 { 4316 char_u *p; 4317 4318 if (ARGCOUNT <= 1) /* nothing to do */ 4319 return FALSE; 4320 4321 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4322 if (p - buf + 35 >= buflen) /* getting too long */ 4323 return FALSE; 4324 *p++ = ' '; 4325 *p++ = '('; 4326 if (add_file) 4327 { 4328 STRCPY(p, "file "); 4329 p += 5; 4330 } 4331 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4332 wp->w_arg_idx_invalid ? "(%d) of %d)" 4333 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4334 return TRUE; 4335 } 4336 4337 /* 4338 * If fname is not a full path, make it a full path. 4339 * Returns pointer to allocated memory (NULL for failure). 4340 */ 4341 char_u * 4342 fix_fname(fname) 4343 char_u *fname; 4344 { 4345 /* 4346 * Force expanding the path always for Unix, because symbolic links may 4347 * mess up the full path name, even though it starts with a '/'. 4348 * Also expand when there is ".." in the file name, try to remove it, 4349 * because "c:/src/../README" is equal to "c:/README". 4350 * Similarly "c:/src//file" is equal to "c:/src/file". 4351 * For MS-Windows also expand names like "longna~1" to "longname". 4352 */ 4353 #ifdef UNIX 4354 return FullName_save(fname, TRUE); 4355 #else 4356 if (!vim_isAbsName(fname) 4357 || strstr((char *)fname, "..") != NULL 4358 || strstr((char *)fname, "//") != NULL 4359 # ifdef BACKSLASH_IN_FILENAME 4360 || strstr((char *)fname, "\\\\") != NULL 4361 # endif 4362 # if defined(MSWIN) || defined(DJGPP) 4363 || vim_strchr(fname, '~') != NULL 4364 # endif 4365 ) 4366 return FullName_save(fname, FALSE); 4367 4368 fname = vim_strsave(fname); 4369 4370 # ifdef USE_FNAME_CASE 4371 # ifdef USE_LONG_FNAME 4372 if (USE_LONG_FNAME) 4373 # endif 4374 { 4375 if (fname != NULL) 4376 fname_case(fname, 0); /* set correct case for file name */ 4377 } 4378 # endif 4379 4380 return fname; 4381 #endif 4382 } 4383 4384 /* 4385 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4386 * "ffname" becomes a pointer to allocated memory (or NULL). 4387 */ 4388 void 4389 fname_expand(buf, ffname, sfname) 4390 buf_T *buf UNUSED; 4391 char_u **ffname; 4392 char_u **sfname; 4393 { 4394 if (*ffname == NULL) /* if no file name given, nothing to do */ 4395 return; 4396 if (*sfname == NULL) /* if no short file name given, use ffname */ 4397 *sfname = *ffname; 4398 *ffname = fix_fname(*ffname); /* expand to full path */ 4399 4400 #ifdef FEAT_SHORTCUT 4401 if (!buf->b_p_bin) 4402 { 4403 char_u *rfname; 4404 4405 /* If the file name is a shortcut file, use the file it links to. */ 4406 rfname = mch_resolve_shortcut(*ffname); 4407 if (rfname != NULL) 4408 { 4409 vim_free(*ffname); 4410 *ffname = rfname; 4411 *sfname = rfname; 4412 } 4413 } 4414 #endif 4415 } 4416 4417 /* 4418 * Get the file name for an argument list entry. 4419 */ 4420 char_u * 4421 alist_name(aep) 4422 aentry_T *aep; 4423 { 4424 buf_T *bp; 4425 4426 /* Use the name from the associated buffer if it exists. */ 4427 bp = buflist_findnr(aep->ae_fnum); 4428 if (bp == NULL || bp->b_fname == NULL) 4429 return aep->ae_fname; 4430 return bp->b_fname; 4431 } 4432 4433 #if defined(FEAT_WINDOWS) || defined(PROTO) 4434 /* 4435 * do_arg_all(): Open up to 'count' windows, one for each argument. 4436 */ 4437 void 4438 do_arg_all(count, forceit, keep_tabs) 4439 int count; 4440 int forceit; /* hide buffers in current windows */ 4441 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4442 { 4443 int i; 4444 win_T *wp, *wpnext; 4445 char_u *opened; /* Array of weight for which args are open: 4446 * 0: not opened 4447 * 1: opened in other tab 4448 * 2: opened in curtab 4449 * 3: opened in curtab and curwin 4450 */ 4451 int opened_len; /* length of opened[] */ 4452 int use_firstwin = FALSE; /* use first window for arglist */ 4453 int split_ret = OK; 4454 int p_ea_save; 4455 alist_T *alist; /* argument list to be used */ 4456 buf_T *buf; 4457 tabpage_T *tpnext; 4458 int had_tab = cmdmod.tab; 4459 win_T *old_curwin, *last_curwin; 4460 tabpage_T *old_curtab, *last_curtab; 4461 win_T *new_curwin = NULL; 4462 tabpage_T *new_curtab = NULL; 4463 4464 if (ARGCOUNT <= 0) 4465 { 4466 /* Don't give an error message. We don't want it when the ":all" 4467 * command is in the .vimrc. */ 4468 return; 4469 } 4470 setpcmark(); 4471 4472 opened_len = ARGCOUNT; 4473 opened = alloc_clear((unsigned)opened_len); 4474 if (opened == NULL) 4475 return; 4476 4477 /* Autocommands may do anything to the argument list. Make sure it's not 4478 * freed while we are working here by "locking" it. We still have to 4479 * watch out for its size to be changed. */ 4480 alist = curwin->w_alist; 4481 ++alist->al_refcount; 4482 4483 old_curwin = curwin; 4484 old_curtab = curtab; 4485 4486 #ifdef FEAT_GUI 4487 need_mouse_correct = TRUE; 4488 #endif 4489 4490 /* 4491 * Try closing all windows that are not in the argument list. 4492 * Also close windows that are not full width; 4493 * When 'hidden' or "forceit" set the buffer becomes hidden. 4494 * Windows that have a changed buffer and can't be hidden won't be closed. 4495 * When the ":tab" modifier was used do this for all tab pages. 4496 */ 4497 if (had_tab > 0) 4498 goto_tabpage_tp(first_tabpage, TRUE); 4499 for (;;) 4500 { 4501 tpnext = curtab->tp_next; 4502 for (wp = firstwin; wp != NULL; wp = wpnext) 4503 { 4504 wpnext = wp->w_next; 4505 buf = wp->w_buffer; 4506 if (buf->b_ffname == NULL 4507 || (!keep_tabs && buf->b_nwindows > 1) 4508 #ifdef FEAT_VERTSPLIT 4509 || wp->w_width != Columns 4510 #endif 4511 ) 4512 i = opened_len; 4513 else 4514 { 4515 /* check if the buffer in this window is in the arglist */ 4516 for (i = 0; i < opened_len; ++i) 4517 { 4518 if (i < alist->al_ga.ga_len 4519 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4520 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4521 buf->b_ffname, TRUE) & FPC_SAME)) 4522 { 4523 int weight = 1; 4524 4525 if (old_curtab == curtab) 4526 { 4527 ++weight; 4528 if (old_curwin == wp) 4529 ++weight; 4530 } 4531 4532 if (weight > (int)opened[i]) 4533 { 4534 opened[i] = (char_u)weight; 4535 if (i == 0) 4536 { 4537 if (new_curwin != NULL) 4538 new_curwin->w_arg_idx = opened_len; 4539 new_curwin = wp; 4540 new_curtab = curtab; 4541 } 4542 } 4543 else if (keep_tabs) 4544 i = opened_len; 4545 4546 if (wp->w_alist != alist) 4547 { 4548 /* Use the current argument list for all windows 4549 * containing a file from it. */ 4550 alist_unlink(wp->w_alist); 4551 wp->w_alist = alist; 4552 ++wp->w_alist->al_refcount; 4553 } 4554 break; 4555 } 4556 } 4557 } 4558 wp->w_arg_idx = i; 4559 4560 if (i == opened_len && !keep_tabs)/* close this window */ 4561 { 4562 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4563 || !bufIsChanged(buf)) 4564 { 4565 /* If the buffer was changed, and we would like to hide it, 4566 * try autowriting. */ 4567 if (!P_HID(buf) && buf->b_nwindows <= 1 4568 && bufIsChanged(buf)) 4569 { 4570 (void)autowrite(buf, FALSE); 4571 #ifdef FEAT_AUTOCMD 4572 /* check if autocommands removed the window */ 4573 if (!win_valid(wp) || !buf_valid(buf)) 4574 { 4575 wpnext = firstwin; /* start all over... */ 4576 continue; 4577 } 4578 #endif 4579 } 4580 #ifdef FEAT_WINDOWS 4581 /* don't close last window */ 4582 if (firstwin == lastwin 4583 && (first_tabpage->tp_next == NULL || !had_tab)) 4584 #endif 4585 use_firstwin = TRUE; 4586 #ifdef FEAT_WINDOWS 4587 else 4588 { 4589 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4590 # ifdef FEAT_AUTOCMD 4591 /* check if autocommands removed the next window */ 4592 if (!win_valid(wpnext)) 4593 wpnext = firstwin; /* start all over... */ 4594 # endif 4595 } 4596 #endif 4597 } 4598 } 4599 } 4600 4601 /* Without the ":tab" modifier only do the current tab page. */ 4602 if (had_tab == 0 || tpnext == NULL) 4603 break; 4604 4605 # ifdef FEAT_AUTOCMD 4606 /* check if autocommands removed the next tab page */ 4607 if (!valid_tabpage(tpnext)) 4608 tpnext = first_tabpage; /* start all over...*/ 4609 # endif 4610 goto_tabpage_tp(tpnext, TRUE); 4611 } 4612 4613 /* 4614 * Open a window for files in the argument list that don't have one. 4615 * ARGCOUNT may change while doing this, because of autocommands. 4616 */ 4617 if (count > opened_len || count <= 0) 4618 count = opened_len; 4619 4620 #ifdef FEAT_AUTOCMD 4621 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4622 ++autocmd_no_enter; 4623 ++autocmd_no_leave; 4624 #endif 4625 last_curwin = curwin; 4626 last_curtab = curtab; 4627 win_enter(lastwin, FALSE); 4628 #ifdef FEAT_WINDOWS 4629 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4630 * leaving an empty tab page when executed locally. */ 4631 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4632 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4633 use_firstwin = TRUE; 4634 #endif 4635 4636 for (i = 0; i < count && i < opened_len && !got_int; ++i) 4637 { 4638 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4639 arg_had_last = TRUE; 4640 if (opened[i] > 0) 4641 { 4642 /* Move the already present window to below the current window */ 4643 if (curwin->w_arg_idx != i) 4644 { 4645 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4646 { 4647 if (wpnext->w_arg_idx == i) 4648 { 4649 if (keep_tabs) 4650 { 4651 new_curwin = wpnext; 4652 new_curtab = curtab; 4653 } 4654 else 4655 win_move_after(wpnext, curwin); 4656 break; 4657 } 4658 } 4659 } 4660 } 4661 else if (split_ret == OK) 4662 { 4663 if (!use_firstwin) /* split current window */ 4664 { 4665 p_ea_save = p_ea; 4666 p_ea = TRUE; /* use space from all windows */ 4667 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4668 p_ea = p_ea_save; 4669 if (split_ret == FAIL) 4670 continue; 4671 } 4672 #ifdef FEAT_AUTOCMD 4673 else /* first window: do autocmd for leaving this buffer */ 4674 --autocmd_no_leave; 4675 #endif 4676 4677 /* 4678 * edit file "i" 4679 */ 4680 curwin->w_arg_idx = i; 4681 if (i == 0) 4682 { 4683 new_curwin = curwin; 4684 new_curtab = curtab; 4685 } 4686 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4687 ECMD_ONE, 4688 ((P_HID(curwin->w_buffer) 4689 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4690 + ECMD_OLDBUF, curwin); 4691 #ifdef FEAT_AUTOCMD 4692 if (use_firstwin) 4693 ++autocmd_no_leave; 4694 #endif 4695 use_firstwin = FALSE; 4696 } 4697 ui_breakcheck(); 4698 4699 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4700 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4701 cmdmod.tab = 9999; 4702 } 4703 4704 /* Remove the "lock" on the argument list. */ 4705 alist_unlink(alist); 4706 4707 #ifdef FEAT_AUTOCMD 4708 --autocmd_no_enter; 4709 #endif 4710 /* restore last referenced tabpage's curwin */ 4711 if (last_curtab != new_curtab) 4712 { 4713 if (valid_tabpage(last_curtab)) 4714 goto_tabpage_tp(last_curtab, TRUE); 4715 if (win_valid(last_curwin)) 4716 win_enter(last_curwin, FALSE); 4717 } 4718 /* to window with first arg */ 4719 if (valid_tabpage(new_curtab)) 4720 goto_tabpage_tp(new_curtab, TRUE); 4721 if (win_valid(new_curwin)) 4722 win_enter(new_curwin, FALSE); 4723 4724 #ifdef FEAT_AUTOCMD 4725 --autocmd_no_leave; 4726 #endif 4727 vim_free(opened); 4728 } 4729 4730 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4731 /* 4732 * Open a window for a number of buffers. 4733 */ 4734 void 4735 ex_buffer_all(eap) 4736 exarg_T *eap; 4737 { 4738 buf_T *buf; 4739 win_T *wp, *wpnext; 4740 int split_ret = OK; 4741 int p_ea_save; 4742 int open_wins = 0; 4743 int r; 4744 int count; /* Maximum number of windows to open. */ 4745 int all; /* When TRUE also load inactive buffers. */ 4746 #ifdef FEAT_WINDOWS 4747 int had_tab = cmdmod.tab; 4748 tabpage_T *tpnext; 4749 #endif 4750 4751 if (eap->addr_count == 0) /* make as many windows as possible */ 4752 count = 9999; 4753 else 4754 count = eap->line2; /* make as many windows as specified */ 4755 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4756 all = FALSE; 4757 else 4758 all = TRUE; 4759 4760 setpcmark(); 4761 4762 #ifdef FEAT_GUI 4763 need_mouse_correct = TRUE; 4764 #endif 4765 4766 /* 4767 * Close superfluous windows (two windows for the same buffer). 4768 * Also close windows that are not full-width. 4769 */ 4770 #ifdef FEAT_WINDOWS 4771 if (had_tab > 0) 4772 goto_tabpage_tp(first_tabpage, TRUE); 4773 for (;;) 4774 { 4775 #endif 4776 tpnext = curtab->tp_next; 4777 for (wp = firstwin; wp != NULL; wp = wpnext) 4778 { 4779 wpnext = wp->w_next; 4780 if ((wp->w_buffer->b_nwindows > 1 4781 #ifdef FEAT_VERTSPLIT 4782 || ((cmdmod.split & WSP_VERT) 4783 ? wp->w_height + wp->w_status_height < Rows - p_ch 4784 - tabline_height() 4785 : wp->w_width != Columns) 4786 #endif 4787 #ifdef FEAT_WINDOWS 4788 || (had_tab > 0 && wp != firstwin) 4789 #endif 4790 ) && firstwin != lastwin 4791 #ifdef FEAT_AUTOCMD 4792 && !(wp->w_closing || wp->w_buffer->b_closing) 4793 #endif 4794 ) 4795 { 4796 win_close(wp, FALSE); 4797 #ifdef FEAT_AUTOCMD 4798 wpnext = firstwin; /* just in case an autocommand does 4799 something strange with windows */ 4800 tpnext = first_tabpage; /* start all over...*/ 4801 open_wins = 0; 4802 #endif 4803 } 4804 else 4805 ++open_wins; 4806 } 4807 4808 #ifdef FEAT_WINDOWS 4809 /* Without the ":tab" modifier only do the current tab page. */ 4810 if (had_tab == 0 || tpnext == NULL) 4811 break; 4812 goto_tabpage_tp(tpnext, TRUE); 4813 } 4814 #endif 4815 4816 /* 4817 * Go through the buffer list. When a buffer doesn't have a window yet, 4818 * open one. Otherwise move the window to the right position. 4819 * Watch out for autocommands that delete buffers or windows! 4820 */ 4821 #ifdef FEAT_AUTOCMD 4822 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4823 ++autocmd_no_enter; 4824 #endif 4825 win_enter(lastwin, FALSE); 4826 #ifdef FEAT_AUTOCMD 4827 ++autocmd_no_leave; 4828 #endif 4829 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4830 { 4831 /* Check if this buffer needs a window */ 4832 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4833 continue; 4834 4835 #ifdef FEAT_WINDOWS 4836 if (had_tab != 0) 4837 { 4838 /* With the ":tab" modifier don't move the window. */ 4839 if (buf->b_nwindows > 0) 4840 wp = lastwin; /* buffer has a window, skip it */ 4841 else 4842 wp = NULL; 4843 } 4844 else 4845 #endif 4846 { 4847 /* Check if this buffer already has a window */ 4848 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4849 if (wp->w_buffer == buf) 4850 break; 4851 /* If the buffer already has a window, move it */ 4852 if (wp != NULL) 4853 win_move_after(wp, curwin); 4854 } 4855 4856 if (wp == NULL && split_ret == OK) 4857 { 4858 /* Split the window and put the buffer in it */ 4859 p_ea_save = p_ea; 4860 p_ea = TRUE; /* use space from all windows */ 4861 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4862 ++open_wins; 4863 p_ea = p_ea_save; 4864 if (split_ret == FAIL) 4865 continue; 4866 4867 /* Open the buffer in this window. */ 4868 #if defined(HAS_SWAP_EXISTS_ACTION) 4869 swap_exists_action = SEA_DIALOG; 4870 #endif 4871 set_curbuf(buf, DOBUF_GOTO); 4872 #ifdef FEAT_AUTOCMD 4873 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4874 { 4875 #if defined(HAS_SWAP_EXISTS_ACTION) 4876 swap_exists_action = SEA_NONE; 4877 # endif 4878 break; 4879 } 4880 #endif 4881 #if defined(HAS_SWAP_EXISTS_ACTION) 4882 if (swap_exists_action == SEA_QUIT) 4883 { 4884 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4885 cleanup_T cs; 4886 4887 /* Reset the error/interrupt/exception state here so that 4888 * aborting() returns FALSE when closing a window. */ 4889 enter_cleanup(&cs); 4890 # endif 4891 4892 /* User selected Quit at ATTENTION prompt; close this window. */ 4893 win_close(curwin, TRUE); 4894 --open_wins; 4895 swap_exists_action = SEA_NONE; 4896 swap_exists_did_quit = TRUE; 4897 4898 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4899 /* Restore the error/interrupt/exception state if not 4900 * discarded by a new aborting error, interrupt, or uncaught 4901 * exception. */ 4902 leave_cleanup(&cs); 4903 # endif 4904 } 4905 else 4906 handle_swap_exists(NULL); 4907 #endif 4908 } 4909 4910 ui_breakcheck(); 4911 if (got_int) 4912 { 4913 (void)vgetc(); /* only break the file loading, not the rest */ 4914 break; 4915 } 4916 #ifdef FEAT_EVAL 4917 /* Autocommands deleted the buffer or aborted script processing!!! */ 4918 if (aborting()) 4919 break; 4920 #endif 4921 #ifdef FEAT_WINDOWS 4922 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4923 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4924 cmdmod.tab = 9999; 4925 #endif 4926 } 4927 #ifdef FEAT_AUTOCMD 4928 --autocmd_no_enter; 4929 #endif 4930 win_enter(firstwin, FALSE); /* back to first window */ 4931 #ifdef FEAT_AUTOCMD 4932 --autocmd_no_leave; 4933 #endif 4934 4935 /* 4936 * Close superfluous windows. 4937 */ 4938 for (wp = lastwin; open_wins > count; ) 4939 { 4940 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4941 || autowrite(wp->w_buffer, FALSE) == OK); 4942 #ifdef FEAT_AUTOCMD 4943 if (!win_valid(wp)) 4944 { 4945 /* BufWrite Autocommands made the window invalid, start over */ 4946 wp = lastwin; 4947 } 4948 else 4949 #endif 4950 if (r) 4951 { 4952 win_close(wp, !P_HID(wp->w_buffer)); 4953 --open_wins; 4954 wp = lastwin; 4955 } 4956 else 4957 { 4958 wp = wp->w_prev; 4959 if (wp == NULL) 4960 break; 4961 } 4962 } 4963 } 4964 # endif /* FEAT_LISTCMDS */ 4965 4966 #endif /* FEAT_WINDOWS */ 4967 4968 static int chk_modeline __ARGS((linenr_T, int)); 4969 4970 /* 4971 * do_modelines() - process mode lines for the current file 4972 * 4973 * "flags" can be: 4974 * OPT_WINONLY only set options local to window 4975 * OPT_NOWIN don't set options local to window 4976 * 4977 * Returns immediately if the "ml" option isn't set. 4978 */ 4979 void 4980 do_modelines(flags) 4981 int flags; 4982 { 4983 linenr_T lnum; 4984 int nmlines; 4985 static int entered = 0; 4986 4987 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4988 return; 4989 4990 /* Disallow recursive entry here. Can happen when executing a modeline 4991 * triggers an autocommand, which reloads modelines with a ":do". */ 4992 if (entered) 4993 return; 4994 4995 ++entered; 4996 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4997 ++lnum) 4998 if (chk_modeline(lnum, flags) == FAIL) 4999 nmlines = 0; 5000 5001 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5002 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5003 if (chk_modeline(lnum, flags) == FAIL) 5004 nmlines = 0; 5005 --entered; 5006 } 5007 5008 #include "version.h" /* for version number */ 5009 5010 /* 5011 * chk_modeline() - check a single line for a mode string 5012 * Return FAIL if an error encountered. 5013 */ 5014 static int 5015 chk_modeline(lnum, flags) 5016 linenr_T lnum; 5017 int flags; /* Same as for do_modelines(). */ 5018 { 5019 char_u *s; 5020 char_u *e; 5021 char_u *linecopy; /* local copy of any modeline found */ 5022 int prev; 5023 int vers; 5024 int end; 5025 int retval = OK; 5026 char_u *save_sourcing_name; 5027 linenr_T save_sourcing_lnum; 5028 #ifdef FEAT_EVAL 5029 scid_T save_SID; 5030 #endif 5031 5032 prev = -1; 5033 for (s = ml_get(lnum); *s != NUL; ++s) 5034 { 5035 if (prev == -1 || vim_isspace(prev)) 5036 { 5037 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5038 || STRNCMP(s, "vi:", (size_t)3) == 0) 5039 break; 5040 if (STRNCMP(s, "vim", 3) == 0) 5041 { 5042 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5043 e = s + 4; 5044 else 5045 e = s + 3; 5046 vers = getdigits(&e); 5047 if (*e == ':' 5048 && (s[3] == ':' 5049 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5050 || (VIM_VERSION_100 < vers && s[3] == '<') 5051 || (VIM_VERSION_100 > vers && s[3] == '>') 5052 || (VIM_VERSION_100 == vers && s[3] == '='))) 5053 break; 5054 } 5055 } 5056 prev = *s; 5057 } 5058 5059 if (*s) 5060 { 5061 do /* skip over "ex:", "vi:" or "vim:" */ 5062 ++s; 5063 while (s[-1] != ':'); 5064 5065 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5066 if (linecopy == NULL) 5067 return FAIL; 5068 5069 save_sourcing_lnum = sourcing_lnum; 5070 save_sourcing_name = sourcing_name; 5071 sourcing_lnum = lnum; /* prepare for emsg() */ 5072 sourcing_name = (char_u *)"modelines"; 5073 5074 end = FALSE; 5075 while (end == FALSE) 5076 { 5077 s = skipwhite(s); 5078 if (*s == NUL) 5079 break; 5080 5081 /* 5082 * Find end of set command: ':' or end of line. 5083 * Skip over "\:", replacing it with ":". 5084 */ 5085 for (e = s; *e != ':' && *e != NUL; ++e) 5086 if (e[0] == '\\' && e[1] == ':') 5087 STRMOVE(e, e + 1); 5088 if (*e == NUL) 5089 end = TRUE; 5090 5091 /* 5092 * If there is a "set" command, require a terminating ':' and 5093 * ignore the stuff after the ':'. 5094 * "vi:set opt opt opt: foo" -- foo not interpreted 5095 * "vi:opt opt opt: foo" -- foo interpreted 5096 * Accept "se" for compatibility with Elvis. 5097 */ 5098 if (STRNCMP(s, "set ", (size_t)4) == 0 5099 || STRNCMP(s, "se ", (size_t)3) == 0) 5100 { 5101 if (*e != ':') /* no terminating ':'? */ 5102 break; 5103 end = TRUE; 5104 s = vim_strchr(s, ' ') + 1; 5105 } 5106 *e = NUL; /* truncate the set command */ 5107 5108 if (*s != NUL) /* skip over an empty "::" */ 5109 { 5110 #ifdef FEAT_EVAL 5111 save_SID = current_SID; 5112 current_SID = SID_MODELINE; 5113 #endif 5114 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5115 #ifdef FEAT_EVAL 5116 current_SID = save_SID; 5117 #endif 5118 if (retval == FAIL) /* stop if error found */ 5119 break; 5120 } 5121 s = e + 1; /* advance to next part */ 5122 } 5123 5124 sourcing_lnum = save_sourcing_lnum; 5125 sourcing_name = save_sourcing_name; 5126 5127 vim_free(linecopy); 5128 } 5129 return retval; 5130 } 5131 5132 #if defined(FEAT_VIMINFO) || defined(PROTO) 5133 int 5134 read_viminfo_bufferlist(virp, writing) 5135 vir_T *virp; 5136 int writing; 5137 { 5138 char_u *tab; 5139 linenr_T lnum; 5140 colnr_T col; 5141 buf_T *buf; 5142 char_u *sfname; 5143 char_u *xline; 5144 5145 /* Handle long line and escaped characters. */ 5146 xline = viminfo_readstring(virp, 1, FALSE); 5147 5148 /* don't read in if there are files on the command-line or if writing: */ 5149 if (xline != NULL && !writing && ARGCOUNT == 0 5150 && find_viminfo_parameter('%') != NULL) 5151 { 5152 /* Format is: <fname> Tab <lnum> Tab <col>. 5153 * Watch out for a Tab in the file name, work from the end. */ 5154 lnum = 0; 5155 col = 0; 5156 tab = vim_strrchr(xline, '\t'); 5157 if (tab != NULL) 5158 { 5159 *tab++ = '\0'; 5160 col = (colnr_T)atoi((char *)tab); 5161 tab = vim_strrchr(xline, '\t'); 5162 if (tab != NULL) 5163 { 5164 *tab++ = '\0'; 5165 lnum = atol((char *)tab); 5166 } 5167 } 5168 5169 /* Expand "~/" in the file name at "line + 1" to a full path. 5170 * Then try shortening it by comparing with the current directory */ 5171 expand_env(xline, NameBuff, MAXPATHL); 5172 sfname = shorten_fname1(NameBuff); 5173 5174 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5175 if (buf != NULL) /* just in case... */ 5176 { 5177 buf->b_last_cursor.lnum = lnum; 5178 buf->b_last_cursor.col = col; 5179 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5180 } 5181 } 5182 vim_free(xline); 5183 5184 return viminfo_readline(virp); 5185 } 5186 5187 void 5188 write_viminfo_bufferlist(fp) 5189 FILE *fp; 5190 { 5191 buf_T *buf; 5192 #ifdef FEAT_WINDOWS 5193 win_T *win; 5194 tabpage_T *tp; 5195 #endif 5196 char_u *line; 5197 int max_buffers; 5198 5199 if (find_viminfo_parameter('%') == NULL) 5200 return; 5201 5202 /* Without a number -1 is returned: do all buffers. */ 5203 max_buffers = get_viminfo_parameter('%'); 5204 5205 /* Allocate room for the file name, lnum and col. */ 5206 #define LINE_BUF_LEN (MAXPATHL + 40) 5207 line = alloc(LINE_BUF_LEN); 5208 if (line == NULL) 5209 return; 5210 5211 #ifdef FEAT_WINDOWS 5212 FOR_ALL_TAB_WINDOWS(tp, win) 5213 set_last_cursor(win); 5214 #else 5215 set_last_cursor(curwin); 5216 #endif 5217 5218 fputs(_("\n# Buffer list:\n"), fp); 5219 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5220 { 5221 if (buf->b_fname == NULL 5222 || !buf->b_p_bl 5223 #ifdef FEAT_QUICKFIX 5224 || bt_quickfix(buf) 5225 #endif 5226 || removable(buf->b_ffname)) 5227 continue; 5228 5229 if (max_buffers-- == 0) 5230 break; 5231 putc('%', fp); 5232 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5233 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5234 (long)buf->b_last_cursor.lnum, 5235 buf->b_last_cursor.col); 5236 viminfo_writestring(fp, line); 5237 } 5238 vim_free(line); 5239 } 5240 #endif 5241 5242 5243 /* 5244 * Return special buffer name. 5245 * Returns NULL when the buffer has a normal file name. 5246 */ 5247 char * 5248 buf_spname(buf) 5249 buf_T *buf; 5250 { 5251 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5252 if (bt_quickfix(buf)) 5253 { 5254 win_T *win = NULL; 5255 tabpage_T *tp; 5256 5257 /* 5258 * For location list window, w_llist_ref points to the location list. 5259 * For quickfix window, w_llist_ref is NULL. 5260 */ 5261 FOR_ALL_TAB_WINDOWS(tp, win) 5262 if (win->w_buffer == buf) 5263 goto win_found; 5264 win_found: 5265 if (win != NULL && win->w_llist_ref != NULL) 5266 return _(msg_loclist); 5267 else 5268 return _(msg_qflist); 5269 } 5270 #endif 5271 #ifdef FEAT_QUICKFIX 5272 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5273 * contains the name as specified by the user */ 5274 if (bt_nofile(buf)) 5275 { 5276 if (buf->b_sfname != NULL) 5277 return (char *)buf->b_sfname; 5278 return _("[Scratch]"); 5279 } 5280 #endif 5281 if (buf->b_fname == NULL) 5282 return _("[No Name]"); 5283 return NULL; 5284 } 5285 5286 5287 #if defined(FEAT_SIGNS) || defined(PROTO) 5288 /* 5289 * Insert the sign into the signlist. 5290 */ 5291 static void 5292 insert_sign(buf, prev, next, id, lnum, typenr) 5293 buf_T *buf; /* buffer to store sign in */ 5294 signlist_T *prev; /* previous sign entry */ 5295 signlist_T *next; /* next sign entry */ 5296 int id; /* sign ID */ 5297 linenr_T lnum; /* line number which gets the mark */ 5298 int typenr; /* typenr of sign we are adding */ 5299 { 5300 signlist_T *newsign; 5301 5302 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5303 if (newsign != NULL) 5304 { 5305 newsign->id = id; 5306 newsign->lnum = lnum; 5307 newsign->typenr = typenr; 5308 newsign->next = next; 5309 #ifdef FEAT_NETBEANS_INTG 5310 newsign->prev = prev; 5311 if (next != NULL) 5312 next->prev = newsign; 5313 #endif 5314 5315 if (prev == NULL) 5316 { 5317 /* When adding first sign need to redraw the windows to create the 5318 * column for signs. */ 5319 if (buf->b_signlist == NULL) 5320 { 5321 redraw_buf_later(buf, NOT_VALID); 5322 changed_cline_bef_curs(); 5323 } 5324 5325 /* first sign in signlist */ 5326 buf->b_signlist = newsign; 5327 } 5328 else 5329 prev->next = newsign; 5330 } 5331 } 5332 5333 /* 5334 * Add the sign into the signlist. Find the right spot to do it though. 5335 */ 5336 void 5337 buf_addsign(buf, id, lnum, typenr) 5338 buf_T *buf; /* buffer to store sign in */ 5339 int id; /* sign ID */ 5340 linenr_T lnum; /* line number which gets the mark */ 5341 int typenr; /* typenr of sign we are adding */ 5342 { 5343 signlist_T *sign; /* a sign in the signlist */ 5344 signlist_T *prev; /* the previous sign */ 5345 5346 prev = NULL; 5347 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5348 { 5349 if (lnum == sign->lnum && id == sign->id) 5350 { 5351 sign->typenr = typenr; 5352 return; 5353 } 5354 else if ( 5355 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5356 id < 0 && 5357 #endif 5358 lnum < sign->lnum) 5359 { 5360 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5361 /* XXX - GRP: Is this because of sign slide problem? Or is it 5362 * really needed? Or is it because we allow multiple signs per 5363 * line? If so, should I add that feature to FEAT_SIGNS? 5364 */ 5365 while (prev != NULL && prev->lnum == lnum) 5366 prev = prev->prev; 5367 if (prev == NULL) 5368 sign = buf->b_signlist; 5369 else 5370 sign = prev->next; 5371 #endif 5372 insert_sign(buf, prev, sign, id, lnum, typenr); 5373 return; 5374 } 5375 prev = sign; 5376 } 5377 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5378 /* XXX - GRP: See previous comment */ 5379 while (prev != NULL && prev->lnum == lnum) 5380 prev = prev->prev; 5381 if (prev == NULL) 5382 sign = buf->b_signlist; 5383 else 5384 sign = prev->next; 5385 #endif 5386 insert_sign(buf, prev, sign, id, lnum, typenr); 5387 5388 return; 5389 } 5390 5391 linenr_T 5392 buf_change_sign_type(buf, markId, typenr) 5393 buf_T *buf; /* buffer to store sign in */ 5394 int markId; /* sign ID */ 5395 int typenr; /* typenr of sign we are adding */ 5396 { 5397 signlist_T *sign; /* a sign in the signlist */ 5398 5399 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5400 { 5401 if (sign->id == markId) 5402 { 5403 sign->typenr = typenr; 5404 return sign->lnum; 5405 } 5406 } 5407 5408 return (linenr_T)0; 5409 } 5410 5411 int 5412 buf_getsigntype(buf, lnum, type) 5413 buf_T *buf; 5414 linenr_T lnum; 5415 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5416 { 5417 signlist_T *sign; /* a sign in a b_signlist */ 5418 5419 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5420 if (sign->lnum == lnum 5421 && (type == SIGN_ANY 5422 # ifdef FEAT_SIGN_ICONS 5423 || (type == SIGN_ICON 5424 && sign_get_image(sign->typenr) != NULL) 5425 # endif 5426 || (type == SIGN_TEXT 5427 && sign_get_text(sign->typenr) != NULL) 5428 || (type == SIGN_LINEHL 5429 && sign_get_attr(sign->typenr, TRUE) != 0))) 5430 return sign->typenr; 5431 return 0; 5432 } 5433 5434 5435 linenr_T 5436 buf_delsign(buf, id) 5437 buf_T *buf; /* buffer sign is stored in */ 5438 int id; /* sign id */ 5439 { 5440 signlist_T **lastp; /* pointer to pointer to current sign */ 5441 signlist_T *sign; /* a sign in a b_signlist */ 5442 signlist_T *next; /* the next sign in a b_signlist */ 5443 linenr_T lnum; /* line number whose sign was deleted */ 5444 5445 lastp = &buf->b_signlist; 5446 lnum = 0; 5447 for (sign = buf->b_signlist; sign != NULL; sign = next) 5448 { 5449 next = sign->next; 5450 if (sign->id == id) 5451 { 5452 *lastp = next; 5453 #ifdef FEAT_NETBEANS_INTG 5454 if (next != NULL) 5455 next->prev = sign->prev; 5456 #endif 5457 lnum = sign->lnum; 5458 vim_free(sign); 5459 break; 5460 } 5461 else 5462 lastp = &sign->next; 5463 } 5464 5465 /* When deleted the last sign need to redraw the windows to remove the 5466 * sign column. */ 5467 if (buf->b_signlist == NULL) 5468 { 5469 redraw_buf_later(buf, NOT_VALID); 5470 changed_cline_bef_curs(); 5471 } 5472 5473 return lnum; 5474 } 5475 5476 5477 /* 5478 * Find the line number of the sign with the requested id. If the sign does 5479 * not exist, return 0 as the line number. This will still let the correct file 5480 * get loaded. 5481 */ 5482 int 5483 buf_findsign(buf, id) 5484 buf_T *buf; /* buffer to store sign in */ 5485 int id; /* sign ID */ 5486 { 5487 signlist_T *sign; /* a sign in the signlist */ 5488 5489 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5490 if (sign->id == id) 5491 return sign->lnum; 5492 5493 return 0; 5494 } 5495 5496 int 5497 buf_findsign_id(buf, lnum) 5498 buf_T *buf; /* buffer whose sign we are searching for */ 5499 linenr_T lnum; /* line number of sign */ 5500 { 5501 signlist_T *sign; /* a sign in the signlist */ 5502 5503 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5504 if (sign->lnum == lnum) 5505 return sign->id; 5506 5507 return 0; 5508 } 5509 5510 5511 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5512 /* see if a given type of sign exists on a specific line */ 5513 int 5514 buf_findsigntype_id(buf, lnum, typenr) 5515 buf_T *buf; /* buffer whose sign we are searching for */ 5516 linenr_T lnum; /* line number of sign */ 5517 int typenr; /* sign type number */ 5518 { 5519 signlist_T *sign; /* a sign in the signlist */ 5520 5521 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5522 if (sign->lnum == lnum && sign->typenr == typenr) 5523 return sign->id; 5524 5525 return 0; 5526 } 5527 5528 5529 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5530 /* return the number of icons on the given line */ 5531 int 5532 buf_signcount(buf, lnum) 5533 buf_T *buf; 5534 linenr_T lnum; 5535 { 5536 signlist_T *sign; /* a sign in the signlist */ 5537 int count = 0; 5538 5539 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5540 if (sign->lnum == lnum) 5541 if (sign_get_image(sign->typenr) != NULL) 5542 count++; 5543 5544 return count; 5545 } 5546 # endif /* FEAT_SIGN_ICONS */ 5547 # endif /* FEAT_NETBEANS_INTG */ 5548 5549 5550 /* 5551 * Delete signs in buffer "buf". 5552 */ 5553 void 5554 buf_delete_signs(buf) 5555 buf_T *buf; 5556 { 5557 signlist_T *next; 5558 5559 while (buf->b_signlist != NULL) 5560 { 5561 next = buf->b_signlist->next; 5562 vim_free(buf->b_signlist); 5563 buf->b_signlist = next; 5564 } 5565 } 5566 5567 /* 5568 * Delete all signs in all buffers. 5569 */ 5570 void 5571 buf_delete_all_signs() 5572 { 5573 buf_T *buf; /* buffer we are checking for signs */ 5574 5575 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5576 if (buf->b_signlist != NULL) 5577 { 5578 /* Need to redraw the windows to remove the sign column. */ 5579 redraw_buf_later(buf, NOT_VALID); 5580 buf_delete_signs(buf); 5581 } 5582 } 5583 5584 /* 5585 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5586 */ 5587 void 5588 sign_list_placed(rbuf) 5589 buf_T *rbuf; 5590 { 5591 buf_T *buf; 5592 signlist_T *p; 5593 char lbuf[BUFSIZ]; 5594 5595 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5596 msg_putchar('\n'); 5597 if (rbuf == NULL) 5598 buf = firstbuf; 5599 else 5600 buf = rbuf; 5601 while (buf != NULL && !got_int) 5602 { 5603 if (buf->b_signlist != NULL) 5604 { 5605 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5606 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5607 msg_putchar('\n'); 5608 } 5609 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 5610 { 5611 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5612 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5613 MSG_PUTS(lbuf); 5614 msg_putchar('\n'); 5615 } 5616 if (rbuf != NULL) 5617 break; 5618 buf = buf->b_next; 5619 } 5620 } 5621 5622 /* 5623 * Adjust a placed sign for inserted/deleted lines. 5624 */ 5625 void 5626 sign_mark_adjust(line1, line2, amount, amount_after) 5627 linenr_T line1; 5628 linenr_T line2; 5629 long amount; 5630 long amount_after; 5631 { 5632 signlist_T *sign; /* a sign in a b_signlist */ 5633 5634 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5635 { 5636 if (sign->lnum >= line1 && sign->lnum <= line2) 5637 { 5638 if (amount == MAXLNUM) 5639 sign->lnum = line1; 5640 else 5641 sign->lnum += amount; 5642 } 5643 else if (sign->lnum > line2) 5644 sign->lnum += amount_after; 5645 } 5646 } 5647 #endif /* FEAT_SIGNS */ 5648 5649 /* 5650 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5651 */ 5652 void 5653 set_buflisted(on) 5654 int on; 5655 { 5656 if (on != curbuf->b_p_bl) 5657 { 5658 curbuf->b_p_bl = on; 5659 #ifdef FEAT_AUTOCMD 5660 if (on) 5661 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5662 else 5663 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5664 #endif 5665 } 5666 } 5667 5668 /* 5669 * Read the file for "buf" again and check if the contents changed. 5670 * Return TRUE if it changed or this could not be checked. 5671 */ 5672 int 5673 buf_contents_changed(buf) 5674 buf_T *buf; 5675 { 5676 buf_T *newbuf; 5677 int differ = TRUE; 5678 linenr_T lnum; 5679 aco_save_T aco; 5680 exarg_T ea; 5681 5682 /* Allocate a buffer without putting it in the buffer list. */ 5683 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5684 if (newbuf == NULL) 5685 return TRUE; 5686 5687 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5688 if (prep_exarg(&ea, buf) == FAIL) 5689 { 5690 wipe_buffer(newbuf, FALSE); 5691 return TRUE; 5692 } 5693 5694 /* set curwin/curbuf to buf and save a few things */ 5695 aucmd_prepbuf(&aco, newbuf); 5696 5697 if (ml_open(curbuf) == OK 5698 && readfile(buf->b_ffname, buf->b_fname, 5699 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5700 &ea, READ_NEW | READ_DUMMY) == OK) 5701 { 5702 /* compare the two files line by line */ 5703 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5704 { 5705 differ = FALSE; 5706 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5707 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5708 { 5709 differ = TRUE; 5710 break; 5711 } 5712 } 5713 } 5714 vim_free(ea.cmd); 5715 5716 /* restore curwin/curbuf and a few other things */ 5717 aucmd_restbuf(&aco); 5718 5719 if (curbuf != newbuf) /* safety check */ 5720 wipe_buffer(newbuf, FALSE); 5721 5722 return differ; 5723 } 5724 5725 /* 5726 * Wipe out a buffer and decrement the last buffer number if it was used for 5727 * this buffer. Call this to wipe out a temp buffer that does not contain any 5728 * marks. 5729 */ 5730 void 5731 wipe_buffer(buf, aucmd) 5732 buf_T *buf; 5733 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5734 { 5735 if (buf->b_fnum == top_file_num - 1) 5736 --top_file_num; 5737 5738 #ifdef FEAT_AUTOCMD 5739 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5740 block_autocmds(); 5741 #endif 5742 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 5743 #ifdef FEAT_AUTOCMD 5744 if (!aucmd) 5745 unblock_autocmds(); 5746 #endif 5747 } 5748