1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * buffer.c: functions for dealing with the buffer structure 12 */ 13 14 /* 15 * The buffer list is a double linked list of all buffers. 16 * Each buffer can be in one of these states: 17 * never loaded: BF_NEVERLOADED is set, only the file name is valid 18 * not loaded: b_ml.ml_mfp == NULL, no memfile allocated 19 * hidden: b_nwindows == 0, loaded but not displayed in a window 20 * normal: loaded and displayed in a window 21 * 22 * Instead of storing file names all over the place, each file name is 23 * stored in the buffer list. It can be referenced by a number. 24 * 25 * The current implementation remembers all file names ever used. 26 */ 27 28 29 #include "vim.h" 30 31 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 32 static char_u *buflist_match __ARGS((regprog_T *prog, buf_T *buf)); 33 # define HAVE_BUFLIST_MATCH 34 static char_u *fname_match __ARGS((regprog_T *prog, char_u *name)); 35 #endif 36 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 37 static wininfo_T *find_wininfo __ARGS((buf_T *buf)); 38 #ifdef UNIX 39 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 40 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 41 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 42 #else 43 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 44 #endif 45 #ifdef FEAT_TITLE 46 static int ti_change __ARGS((char_u *str, char_u **last)); 47 #endif 48 static void free_buffer __ARGS((buf_T *)); 49 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 50 static void clear_wininfo __ARGS((buf_T *buf)); 51 52 #ifdef UNIX 53 # define dev_T dev_t 54 #else 55 # define dev_T unsigned 56 #endif 57 58 #if defined(FEAT_SIGNS) 59 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 60 static void buf_delete_signs __ARGS((buf_T *buf)); 61 #endif 62 63 /* 64 * Open current buffer, that is: open the memfile and read the file into memory 65 * return FAIL for failure, OK otherwise 66 */ 67 int 68 open_buffer(read_stdin, eap) 69 int read_stdin; /* read file from stdin */ 70 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 71 { 72 int retval = OK; 73 #ifdef FEAT_AUTOCMD 74 buf_T *old_curbuf; 75 #endif 76 77 /* 78 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 79 * When re-entering the same buffer, it should not change, because the 80 * user may have reset the flag by hand. 81 */ 82 if (readonlymode && curbuf->b_ffname != NULL 83 && (curbuf->b_flags & BF_NEVERLOADED)) 84 curbuf->b_p_ro = TRUE; 85 86 if (ml_open() == FAIL) 87 { 88 /* 89 * There MUST be a memfile, otherwise we can't do anything 90 * If we can't create one for the current buffer, take another buffer 91 */ 92 close_buffer(NULL, curbuf, 0); 93 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 94 if (curbuf->b_ml.ml_mfp != NULL) 95 break; 96 /* 97 * if there is no memfile at all, exit 98 * This is OK, since there are no changes to loose. 99 */ 100 if (curbuf == NULL) 101 { 102 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 103 getout(2); 104 } 105 EMSG(_("E83: Cannot allocate buffer, using other one...")); 106 enter_buffer(curbuf); 107 return FAIL; 108 } 109 110 #ifdef FEAT_AUTOCMD 111 /* The autocommands in readfile() may change the buffer, but only AFTER 112 * reading the file. */ 113 old_curbuf = curbuf; 114 modified_was_set = FALSE; 115 #endif 116 117 /* mark cursor position as being invalid */ 118 changed_line_abv_curs(); 119 120 if (curbuf->b_ffname != NULL 121 #ifdef FEAT_NETBEANS_INTG 122 && netbeansReadFile 123 #endif 124 ) 125 { 126 #ifdef FEAT_NETBEANS_INTG 127 int oldFire = netbeansFireChanges; 128 129 netbeansFireChanges = 0; 130 #endif 131 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 132 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_NEW); 133 #ifdef FEAT_NETBEANS_INTG 134 netbeansFireChanges = oldFire; 135 #endif 136 /* Help buffer is filtered. */ 137 if (curbuf->b_help) 138 fix_help_buffer(); 139 } 140 else if (read_stdin) 141 { 142 int save_bin = curbuf->b_p_bin; 143 linenr_T line_count; 144 145 /* 146 * First read the text in binary mode into the buffer. 147 * Then read from that same buffer and append at the end. This makes 148 * it possible to retry when 'fileformat' or 'fileencoding' was 149 * guessed wrong. 150 */ 151 curbuf->b_p_bin = TRUE; 152 retval = readfile(NULL, NULL, (linenr_T)0, 153 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW + READ_STDIN); 154 curbuf->b_p_bin = save_bin; 155 if (retval == OK) 156 { 157 line_count = curbuf->b_ml.ml_line_count; 158 retval = readfile(NULL, NULL, (linenr_T)line_count, 159 (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_BUFFER); 160 if (retval == OK) 161 { 162 /* Delete the binary lines. */ 163 while (--line_count >= 0) 164 ml_delete((linenr_T)1, FALSE); 165 } 166 else 167 { 168 /* Delete the converted lines. */ 169 while (curbuf->b_ml.ml_line_count > line_count) 170 ml_delete(line_count, FALSE); 171 } 172 /* Put the cursor on the first line. */ 173 curwin->w_cursor.lnum = 1; 174 curwin->w_cursor.col = 0; 175 #ifdef FEAT_AUTOCMD 176 # ifdef FEAT_EVAL 177 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 178 curbuf, &retval); 179 # else 180 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 181 # endif 182 #endif 183 } 184 } 185 186 /* if first time loading this buffer, init b_chartab[] */ 187 if (curbuf->b_flags & BF_NEVERLOADED) 188 (void)buf_init_chartab(curbuf, FALSE); 189 190 /* 191 * Set/reset the Changed flag first, autocmds may change the buffer. 192 * Apply the automatic commands, before processing the modelines. 193 * So the modelines have priority over auto commands. 194 */ 195 /* When reading stdin, the buffer contents always needs writing, so set 196 * the changed flag. Unless in readonly mode: "ls | gview -". 197 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 198 if ((read_stdin && !readonlymode && !bufempty()) 199 #ifdef FEAT_AUTOCMD 200 || modified_was_set /* ":set modified" used in autocmd */ 201 # ifdef FEAT_EVAL 202 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 203 # endif 204 #endif 205 || (got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) 206 changed(); 207 else if (retval != FAIL) 208 unchanged(curbuf, FALSE); 209 save_file_ff(curbuf); /* keep this fileformat */ 210 211 /* require "!" to overwrite the file, because it wasn't read completely */ 212 #ifdef FEAT_EVAL 213 if (aborting()) 214 #else 215 if (got_int) 216 #endif 217 curbuf->b_flags |= BF_READERR; 218 219 #ifdef FEAT_FOLDING 220 /* Need to update automatic folding. Do this before the autocommands, 221 * they may use the fold info. */ 222 foldUpdateAll(curwin); 223 #endif 224 225 #ifdef FEAT_AUTOCMD 226 /* need to set w_topline, unless some autocommand already did that. */ 227 if (!(curwin->w_valid & VALID_TOPLINE)) 228 { 229 curwin->w_topline = 1; 230 # ifdef FEAT_DIFF 231 curwin->w_topfill = 0; 232 # endif 233 } 234 # ifdef FEAT_EVAL 235 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 236 # else 237 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 238 # endif 239 #endif 240 241 if (retval != FAIL) 242 { 243 #ifdef FEAT_AUTOCMD 244 /* 245 * The autocommands may have changed the current buffer. Apply the 246 * modelines to the correct buffer, if it still exists and is loaded. 247 */ 248 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 249 { 250 aco_save_T aco; 251 252 /* Go to the buffer that was opened. */ 253 aucmd_prepbuf(&aco, old_curbuf); 254 #endif 255 do_modelines(); 256 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 257 258 #ifdef FEAT_AUTOCMD 259 # ifdef FEAT_EVAL 260 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 261 &retval); 262 # else 263 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 264 # endif 265 266 /* restore curwin/curbuf and a few other things */ 267 aucmd_restbuf(&aco); 268 } 269 #endif 270 } 271 272 return retval; 273 } 274 275 /* 276 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 277 */ 278 int 279 buf_valid(buf) 280 buf_T *buf; 281 { 282 buf_T *bp; 283 284 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 285 if (bp == buf) 286 return TRUE; 287 return FALSE; 288 } 289 290 /* 291 * Close the link to a buffer. 292 * "action" is used when there is no longer a window for the buffer. 293 * It can be: 294 * 0 buffer becomes hidden 295 * DOBUF_UNLOAD buffer is unloaded 296 * DOBUF_DELETE buffer is unloaded and removed from buffer list 297 * DOBUF_WIPE buffer is unloaded and really deleted 298 * When doing all but the first one on the current buffer, the caller should 299 * get a new buffer very soon! 300 * 301 * The 'bufhidden' option can force freeing and deleting. 302 */ 303 void 304 close_buffer(win, buf, action) 305 win_T *win; /* if not NULL, set b_last_cursor */ 306 buf_T *buf; 307 int action; 308 { 309 #ifdef FEAT_AUTOCMD 310 int is_curbuf; 311 int nwindows = buf->b_nwindows; 312 #endif 313 int unload_buf = (action != 0); 314 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 315 int wipe_buf = (action == DOBUF_WIPE); 316 317 #ifdef FEAT_QUICKFIX 318 /* 319 * Force unloading or deleting when 'bufhidden' says so. 320 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 321 * "hide" (otherwise we could never free or delete a buffer). 322 */ 323 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 324 { 325 del_buf = TRUE; 326 unload_buf = TRUE; 327 } 328 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 329 { 330 del_buf = TRUE; 331 unload_buf = TRUE; 332 wipe_buf = TRUE; 333 } 334 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 335 unload_buf = TRUE; 336 #endif 337 338 if (win != NULL) 339 { 340 /* Set b_last_cursor when closing the last window for the buffer. 341 * Remember the last cursor position and window options of the buffer. 342 * This used to be only for the current window, but then options like 343 * 'foldmethod' may be lost with a ":only" command. */ 344 if (buf->b_nwindows == 1) 345 set_last_cursor(win); 346 buflist_setfpos(buf, win, 347 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 348 win->w_cursor.col, TRUE); 349 } 350 351 #ifdef FEAT_AUTOCMD 352 /* When the buffer is no longer in a window, trigger BufWinLeave */ 353 if (buf->b_nwindows == 1) 354 { 355 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 356 FALSE, buf); 357 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 358 return; 359 360 /* When the buffer becomes hidden, but is not unloaded, trigger 361 * BufHidden */ 362 if (!unload_buf) 363 { 364 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 365 FALSE, buf); 366 if (!buf_valid(buf)) /* autocmds may delete the buffer */ 367 return; 368 } 369 # ifdef FEAT_EVAL 370 if (aborting()) /* autocmds may abort script processing */ 371 return; 372 # endif 373 } 374 nwindows = buf->b_nwindows; 375 #endif 376 377 /* decrease the link count from windows (unless not in any window) */ 378 if (buf->b_nwindows > 0) 379 --buf->b_nwindows; 380 381 /* Return when a window is displaying the buffer or when it's not 382 * unloaded. */ 383 if (buf->b_nwindows > 0 || !unload_buf) 384 { 385 if (buf == curbuf) 386 u_sync(); /* sync undo before going to another buffer */ 387 return; 388 } 389 390 /* Always remove the buffer when there is no file name. */ 391 if (buf->b_ffname == NULL) 392 del_buf = TRUE; 393 394 /* 395 * Free all things allocated for this buffer. 396 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 397 */ 398 #ifdef FEAT_AUTOCMD 399 /* Remember if we are closing the current buffer. Restore the number of 400 * windows, so that autocommands in buf_freeall() don't get confused. */ 401 is_curbuf = (buf == curbuf); 402 buf->b_nwindows = nwindows; 403 #endif 404 405 buf_freeall(buf, del_buf, wipe_buf); 406 407 #ifdef FEAT_AUTOCMD 408 /* Autocommands may have deleted the buffer. */ 409 if (!buf_valid(buf)) 410 return; 411 # ifdef FEAT_EVAL 412 if (aborting()) /* autocmds may abort script processing */ 413 return; 414 # endif 415 416 /* Autocommands may have opened or closed windows for this buffer. 417 * Decrement the count for the close we do here. */ 418 if (buf->b_nwindows > 0) 419 --buf->b_nwindows; 420 421 /* 422 * It's possible that autocommands change curbuf to the one being deleted. 423 * This might cause the previous curbuf to be deleted unexpectedly. But 424 * in some cases it's OK to delete the curbuf, because a new one is 425 * obtained anyway. Therefore only return if curbuf changed to the 426 * deleted buffer. 427 */ 428 if (buf == curbuf && !is_curbuf) 429 return; 430 #endif 431 432 #ifdef FEAT_NETBEANS_INTG 433 if (usingNetbeans) 434 netbeans_file_closed(buf); 435 #endif 436 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 437 /* Change directories when the acd option is set on. */ 438 if (p_acd && curbuf->b_ffname != NULL 439 && vim_chdirfile(curbuf->b_ffname) == OK) 440 shorten_fnames(TRUE); 441 #endif 442 443 /* 444 * Remove the buffer from the list. 445 */ 446 if (wipe_buf) 447 { 448 #ifdef FEAT_SUN_WORKSHOP 449 if (usingSunWorkShop) 450 workshop_file_closed_lineno((char *)buf->b_ffname, 451 (int)buf->b_last_cursor.lnum); 452 #endif 453 vim_free(buf->b_ffname); 454 vim_free(buf->b_sfname); 455 if (buf->b_prev == NULL) 456 firstbuf = buf->b_next; 457 else 458 buf->b_prev->b_next = buf->b_next; 459 if (buf->b_next == NULL) 460 lastbuf = buf->b_prev; 461 else 462 buf->b_next->b_prev = buf->b_prev; 463 free_buffer(buf); 464 } 465 else 466 { 467 if (del_buf) 468 { 469 /* Free all internal variables and reset option values, to make 470 * ":bdel" compatible with Vim 5.7. */ 471 free_buffer_stuff(buf, TRUE); 472 473 /* Make it look like a new buffer. */ 474 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 475 476 /* Init the options when loaded again. */ 477 buf->b_p_initialized = FALSE; 478 } 479 buf_clear_file(buf); 480 if (del_buf) 481 buf->b_p_bl = FALSE; 482 } 483 } 484 485 /* 486 * Make buffer not contain a file. 487 */ 488 void 489 buf_clear_file(buf) 490 buf_T *buf; 491 { 492 buf->b_ml.ml_line_count = 1; 493 unchanged(buf, TRUE); 494 #ifndef SHORT_FNAME 495 buf->b_shortname = FALSE; 496 #endif 497 buf->b_p_eol = TRUE; 498 buf->b_start_eol = TRUE; 499 #ifdef FEAT_MBYTE 500 buf->b_p_bomb = FALSE; 501 #endif 502 buf->b_ml.ml_mfp = NULL; 503 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 504 #ifdef FEAT_NETBEANS_INTG 505 netbeans_deleted_all_lines(buf); 506 netbeansOpenFile = 0; /* reset in netbeans_file_opened() */ 507 #endif 508 } 509 510 /* 511 * buf_freeall() - free all things allocated for a buffer that are related to 512 * the file. 513 */ 514 /*ARGSUSED*/ 515 void 516 buf_freeall(buf, del_buf, wipe_buf) 517 buf_T *buf; 518 int del_buf; /* buffer is going to be deleted */ 519 int wipe_buf; /* buffer is going to be wiped out */ 520 { 521 #ifdef FEAT_AUTOCMD 522 int is_curbuf = (buf == curbuf); 523 524 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 525 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 526 return; 527 if (del_buf && buf->b_p_bl) 528 { 529 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 530 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 531 return; 532 } 533 if (wipe_buf) 534 { 535 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 536 FALSE, buf); 537 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 538 return; 539 } 540 # ifdef FEAT_EVAL 541 /* autocmds may abort script processing */ 542 if (aborting()) 543 return; 544 # endif 545 546 /* 547 * It's possible that autocommands change curbuf to the one being deleted. 548 * This might cause curbuf to be deleted unexpectedly. But in some cases 549 * it's OK to delete the curbuf, because a new one is obtained anyway. 550 * Therefore only return if curbuf changed to the deleted buffer. 551 */ 552 if (buf == curbuf && !is_curbuf) 553 return; 554 #endif 555 #ifdef FEAT_DIFF 556 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 557 #endif 558 #ifdef FEAT_TCL 559 tcl_buffer_free(buf); 560 #endif 561 u_blockfree(buf); /* free the memory allocated for undo */ 562 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 563 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 564 u_clearall(buf); /* reset all undo information */ 565 #ifdef FEAT_SYN_HL 566 syntax_clear(buf); /* reset syntax info */ 567 #endif 568 } 569 570 /* 571 * Free a buffer structure and the things it contains related to the buffer 572 * itself (not the file, that must have been done already). 573 */ 574 static void 575 free_buffer(buf) 576 buf_T *buf; 577 { 578 free_buffer_stuff(buf, TRUE); 579 #ifdef FEAT_MZSCHEME 580 mzscheme_buffer_free(buf); 581 #endif 582 #ifdef FEAT_PERL 583 perl_buf_free(buf); 584 #endif 585 #ifdef FEAT_PYTHON 586 python_buffer_free(buf); 587 #endif 588 #ifdef FEAT_RUBY 589 ruby_buffer_free(buf); 590 #endif 591 vim_free(buf); 592 } 593 594 /* 595 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 596 */ 597 static void 598 free_buffer_stuff(buf, free_options) 599 buf_T *buf; 600 int free_options; /* free options as well */ 601 { 602 if (free_options) 603 { 604 clear_wininfo(buf); /* including window-local options */ 605 free_buf_options(buf, TRUE); 606 } 607 #ifdef FEAT_EVAL 608 var_clear(&buf->b_vars); /* free all internal variables */ 609 #endif 610 #ifdef FEAT_USR_CMDS 611 uc_clear(&buf->b_ucmds); /* clear local user commands */ 612 #endif 613 #ifdef FEAT_SIGNS 614 buf_delete_signs(buf); /* delete any signs */ 615 #endif 616 #ifdef FEAT_LOCALMAP 617 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 618 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 619 #endif 620 #ifdef FEAT_MBYTE 621 vim_free(buf->b_start_fenc); 622 buf->b_start_fenc = NULL; 623 #endif 624 } 625 626 /* 627 * Free the b_wininfo list for buffer "buf". 628 */ 629 static void 630 clear_wininfo(buf) 631 buf_T *buf; 632 { 633 wininfo_T *wip; 634 635 while (buf->b_wininfo != NULL) 636 { 637 wip = buf->b_wininfo; 638 buf->b_wininfo = wip->wi_next; 639 if (wip->wi_optset) 640 { 641 clear_winopt(&wip->wi_opt); 642 #ifdef FEAT_FOLDING 643 deleteFoldRecurse(&wip->wi_folds); 644 #endif 645 } 646 vim_free(wip); 647 } 648 } 649 650 #if defined(FEAT_LISTCMDS) || defined(PROTO) 651 /* 652 * Go to another buffer. Handles the result of the ATTENTION dialog. 653 */ 654 void 655 goto_buffer(eap, start, dir, count) 656 exarg_T *eap; 657 int start; 658 int dir; 659 int count; 660 { 661 # if defined(FEAT_WINDOWS) \ 662 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 663 buf_T *old_curbuf = curbuf; 664 665 swap_exists_action = SEA_DIALOG; 666 # endif 667 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 668 start, dir, count, eap->forceit); 669 # if defined(FEAT_WINDOWS) \ 670 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 671 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 672 { 673 int old_got_int = got_int; 674 675 /* Quitting means closing the split window, nothing else. 676 * Reset got_int here, because it causes aborting() to return TRUE 677 * which breaks closing a window. */ 678 got_int = FALSE; 679 680 win_close(curwin, TRUE); 681 682 got_int |= old_got_int; 683 swap_exists_action = SEA_NONE; 684 } 685 else 686 handle_swap_exists(old_curbuf); 687 # endif 688 } 689 #endif 690 691 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) 692 /* 693 * Handle the situation of swap_exists_action being set. 694 * It is allowed for "old_curbuf" to be NULL or invalid. 695 */ 696 void 697 handle_swap_exists(old_curbuf) 698 buf_T *old_curbuf; 699 { 700 int old_got_int = got_int; 701 702 /* Reset got_int here, because it causes aborting() to return TRUE which 703 * breaks closing a buffer. */ 704 got_int = FALSE; 705 706 if (swap_exists_action == SEA_QUIT) 707 { 708 /* User selected Quit at ATTENTION prompt. Go back to previous 709 * buffer. If that buffer is gone or the same as the current one, 710 * open a new, empty buffer. */ 711 swap_exists_action = SEA_NONE; /* don't want it again */ 712 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 713 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 714 old_curbuf = buflist_new(NULL, NULL, 1L, 715 BLN_CURBUF | BLN_LISTED | BLN_FORCE); 716 if (old_curbuf != NULL) 717 enter_buffer(old_curbuf); 718 /* If "old_curbuf" is NULL we are in big trouble here... */ 719 } 720 else if (swap_exists_action == SEA_RECOVER) 721 { 722 /* User selected Recover at ATTENTION prompt. */ 723 msg_scroll = TRUE; 724 ml_recover(); 725 MSG_PUTS("\n"); /* don't overwrite the last message */ 726 cmdline_row = msg_row; 727 do_modelines(); 728 } 729 swap_exists_action = SEA_NONE; 730 got_int |= old_got_int; 731 } 732 #endif 733 734 #if defined(FEAT_LISTCMDS) || defined(PROTO) 735 /* 736 * do_bufdel() - delete or unload buffer(s) 737 * 738 * addr_count == 0: ":bdel" - delete current buffer 739 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 740 * buffer "end_bnr", then any other arguments. 741 * addr_count == 2: ":N,N bdel" - delete buffers in range 742 * 743 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 744 * DOBUF_DEL (":bdel") 745 * 746 * Returns error message or NULL 747 */ 748 char_u * 749 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 750 int command; 751 char_u *arg; /* pointer to extra arguments */ 752 int addr_count; 753 int start_bnr; /* first buffer number in a range */ 754 int end_bnr; /* buffer nr or last buffer nr in a range */ 755 int forceit; 756 { 757 int do_current = 0; /* delete current buffer? */ 758 int deleted = 0; /* number of buffers deleted */ 759 char_u *errormsg = NULL; /* return value */ 760 int bnr; /* buffer number */ 761 char_u *p; 762 763 #ifdef FEAT_NETBEANS_INTG 764 netbeansCloseFile = 1; 765 #endif 766 if (addr_count == 0) 767 { 768 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 769 } 770 else 771 { 772 if (addr_count == 2) 773 { 774 if (*arg) /* both range and argument is not allowed */ 775 return (char_u *)_(e_trailing); 776 bnr = start_bnr; 777 } 778 else /* addr_count == 1 */ 779 bnr = end_bnr; 780 781 for ( ;!got_int; ui_breakcheck()) 782 { 783 /* 784 * delete the current buffer last, otherwise when the 785 * current buffer is deleted, the next buffer becomes 786 * the current one and will be loaded, which may then 787 * also be deleted, etc. 788 */ 789 if (bnr == curbuf->b_fnum) 790 do_current = bnr; 791 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 792 forceit) == OK) 793 ++deleted; 794 795 /* 796 * find next buffer number to delete/unload 797 */ 798 if (addr_count == 2) 799 { 800 if (++bnr > end_bnr) 801 break; 802 } 803 else /* addr_count == 1 */ 804 { 805 arg = skipwhite(arg); 806 if (*arg == NUL) 807 break; 808 if (!VIM_ISDIGIT(*arg)) 809 { 810 p = skiptowhite_esc(arg); 811 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 812 if (bnr < 0) /* failed */ 813 break; 814 arg = p; 815 } 816 else 817 bnr = getdigits(&arg); 818 } 819 } 820 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 821 FORWARD, do_current, forceit) == OK) 822 ++deleted; 823 824 if (deleted == 0) 825 { 826 if (command == DOBUF_UNLOAD) 827 sprintf((char *)IObuff, _("E515: No buffers were unloaded")); 828 else if (command == DOBUF_DEL) 829 sprintf((char *)IObuff, _("E516: No buffers were deleted")); 830 else 831 sprintf((char *)IObuff, _("E517: No buffers were wiped out")); 832 errormsg = IObuff; 833 } 834 else if (deleted >= p_report) 835 { 836 if (command == DOBUF_UNLOAD) 837 { 838 if (deleted == 1) 839 MSG(_("1 buffer unloaded")); 840 else 841 smsg((char_u *)_("%d buffers unloaded"), deleted); 842 } 843 else if (command == DOBUF_DEL) 844 { 845 if (deleted == 1) 846 MSG(_("1 buffer deleted")); 847 else 848 smsg((char_u *)_("%d buffers deleted"), deleted); 849 } 850 else 851 { 852 if (deleted == 1) 853 MSG(_("1 buffer wiped out")); 854 else 855 smsg((char_u *)_("%d buffers wiped out"), deleted); 856 } 857 } 858 } 859 860 #ifdef FEAT_NETBEANS_INTG 861 netbeansCloseFile = 0; 862 #endif 863 864 return errormsg; 865 } 866 867 /* 868 * Implementation of the commands for the buffer list. 869 * 870 * action == DOBUF_GOTO go to specified buffer 871 * action == DOBUF_SPLIT split window and go to specified buffer 872 * action == DOBUF_UNLOAD unload specified buffer(s) 873 * action == DOBUF_DEL delete specified buffer(s) from buffer list 874 * action == DOBUF_WIPE delete specified buffer(s) really 875 * 876 * start == DOBUF_CURRENT go to "count" buffer from current buffer 877 * start == DOBUF_FIRST go to "count" buffer from first buffer 878 * start == DOBUF_LAST go to "count" buffer from last buffer 879 * start == DOBUF_MOD go to "count" modified buffer from current buffer 880 * 881 * Return FAIL or OK. 882 */ 883 int 884 do_buffer(action, start, dir, count, forceit) 885 int action; 886 int start; 887 int dir; /* FORWARD or BACKWARD */ 888 int count; /* buffer number or number of buffers */ 889 int forceit; /* TRUE for :...! */ 890 { 891 buf_T *buf; 892 buf_T *bp; 893 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 894 || action == DOBUF_WIPE); 895 896 switch (start) 897 { 898 case DOBUF_FIRST: buf = firstbuf; break; 899 case DOBUF_LAST: buf = lastbuf; break; 900 default: buf = curbuf; break; 901 } 902 if (start == DOBUF_MOD) /* find next modified buffer */ 903 { 904 while (count-- > 0) 905 { 906 do 907 { 908 buf = buf->b_next; 909 if (buf == NULL) 910 buf = firstbuf; 911 } 912 while (buf != curbuf && !bufIsChanged(buf)); 913 } 914 if (!bufIsChanged(buf)) 915 { 916 EMSG(_("E84: No modified buffer found")); 917 return FAIL; 918 } 919 } 920 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 921 { 922 while (buf != NULL && buf->b_fnum != count) 923 buf = buf->b_next; 924 } 925 else 926 { 927 bp = NULL; 928 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 929 { 930 /* remember the buffer where we start, we come back there when all 931 * buffers are unlisted. */ 932 if (bp == NULL) 933 bp = buf; 934 if (dir == FORWARD) 935 { 936 buf = buf->b_next; 937 if (buf == NULL) 938 buf = firstbuf; 939 } 940 else 941 { 942 buf = buf->b_prev; 943 if (buf == NULL) 944 buf = lastbuf; 945 } 946 /* don't count unlisted buffers */ 947 if (unload || buf->b_p_bl) 948 { 949 --count; 950 bp = NULL; /* use this buffer as new starting point */ 951 } 952 if (bp == buf) 953 { 954 /* back where we started, didn't find anything. */ 955 EMSG(_("E85: There is no listed buffer")); 956 return FAIL; 957 } 958 } 959 } 960 961 if (buf == NULL) /* could not find it */ 962 { 963 if (start == DOBUF_FIRST) 964 { 965 /* don't warn when deleting */ 966 if (!unload) 967 EMSGN(_("E86: Buffer %ld does not exist"), count); 968 } 969 else if (dir == FORWARD) 970 EMSG(_("E87: Cannot go beyond last buffer")); 971 else 972 EMSG(_("E88: Cannot go before first buffer")); 973 return FAIL; 974 } 975 976 #ifdef FEAT_GUI 977 need_mouse_correct = TRUE; 978 #endif 979 980 #ifdef FEAT_LISTCMDS 981 /* 982 * delete buffer buf from memory and/or the list 983 */ 984 if (unload) 985 { 986 int forward; 987 int retval; 988 989 /* When unloading or deleting a buffer that's already unloaded and 990 * unlisted: fail silently. */ 991 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 992 return FAIL; 993 994 if (!forceit && bufIsChanged(buf)) 995 { 996 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 997 if ((p_confirm || cmdmod.confirm) && p_write) 998 { 999 dialog_changed(buf, FALSE); 1000 # ifdef FEAT_AUTOCMD 1001 if (!buf_valid(buf)) 1002 /* Autocommand deleted buffer, oops! It's not changed 1003 * now. */ 1004 return FAIL; 1005 # endif 1006 } 1007 if (bufIsChanged(buf)) 1008 #endif 1009 { 1010 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1011 buf->b_fnum); 1012 return FAIL; 1013 } 1014 } 1015 1016 /* 1017 * If deleting the last (listed) buffer, make it empty. 1018 * The last (listed) buffer cannot be unloaded. 1019 */ 1020 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1021 if (bp->b_p_bl && bp != buf) 1022 break; 1023 if (bp == NULL && buf == curbuf) 1024 { 1025 if (action == DOBUF_UNLOAD) 1026 { 1027 EMSG(_("E90: Cannot unload last buffer")); 1028 return FAIL; 1029 } 1030 1031 /* Close any other windows on this buffer, then make it empty. */ 1032 #ifdef FEAT_WINDOWS 1033 { 1034 win_T *wp, *nextwp; 1035 1036 for (wp = firstwin; wp != NULL; wp = nextwp) 1037 { 1038 nextwp = wp->w_next; 1039 if (wp != curwin && wp->w_buffer == buf) 1040 { 1041 /* Start all over, autocommands may change the window 1042 * layout. */ 1043 nextwp = firstwin; 1044 win_close(wp, FALSE); 1045 } 1046 } 1047 } 1048 #endif 1049 setpcmark(); 1050 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1051 forceit ? ECMD_FORCEIT : 0); 1052 1053 /* 1054 * do_ecmd() may create a new buffer, then we have to delete 1055 * the old one. But do_ecmd() may have done that already, check 1056 * if the buffer still exists. 1057 */ 1058 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1059 close_buffer(NULL, buf, action); 1060 return retval; 1061 } 1062 1063 #ifdef FEAT_WINDOWS 1064 /* 1065 * If the deleted buffer is the current one, close the current window 1066 * (unless it's the only window). 1067 */ 1068 while (buf == curbuf && firstwin != lastwin) 1069 win_close(curwin, FALSE); 1070 #endif 1071 1072 /* 1073 * If the buffer to be deleted is not the current one, delete it here. 1074 */ 1075 if (buf != curbuf) 1076 { 1077 #ifdef FEAT_WINDOWS 1078 close_windows(buf); 1079 #endif 1080 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1081 close_buffer(NULL, buf, action); 1082 return OK; 1083 } 1084 1085 /* 1086 * Deleting the current buffer: Need to find another buffer to go to. 1087 * There must be another, otherwise it would have been handled above. 1088 * First use au_new_curbuf, if it is valid. 1089 * Then prefer the buffer we most recently visited. 1090 * Else try to find one that is loaded, after the current buffer, 1091 * then before the current buffer. 1092 * Finally use any buffer. 1093 */ 1094 buf = NULL; /* selected buffer */ 1095 bp = NULL; /* used when no loaded buffer found */ 1096 #ifdef FEAT_AUTOCMD 1097 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1098 buf = au_new_curbuf; 1099 # ifdef FEAT_JUMPLIST 1100 else 1101 # endif 1102 #endif 1103 #ifdef FEAT_JUMPLIST 1104 if (curwin->w_jumplistlen > 0) 1105 { 1106 int jumpidx; 1107 1108 jumpidx = curwin->w_jumplistidx - 1; 1109 if (jumpidx < 0) 1110 jumpidx = curwin->w_jumplistlen - 1; 1111 1112 forward = jumpidx; 1113 while (jumpidx != curwin->w_jumplistidx) 1114 { 1115 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1116 if (buf != NULL) 1117 { 1118 if (buf == curbuf || !buf->b_p_bl) 1119 buf = NULL; /* skip current and unlisted bufs */ 1120 else if (buf->b_ml.ml_mfp == NULL) 1121 { 1122 /* skip unloaded buf, but may keep it for later */ 1123 if (bp == NULL) 1124 bp = buf; 1125 buf = NULL; 1126 } 1127 } 1128 if (buf != NULL) /* found a valid buffer: stop searching */ 1129 break; 1130 /* advance to older entry in jump list */ 1131 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1132 break; 1133 if (--jumpidx < 0) 1134 jumpidx = curwin->w_jumplistlen - 1; 1135 if (jumpidx == forward) /* List exhausted for sure */ 1136 break; 1137 } 1138 } 1139 #endif 1140 1141 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1142 { 1143 forward = TRUE; 1144 buf = curbuf->b_next; 1145 for (;;) 1146 { 1147 if (buf == NULL) 1148 { 1149 if (!forward) /* tried both directions */ 1150 break; 1151 buf = curbuf->b_prev; 1152 forward = FALSE; 1153 continue; 1154 } 1155 /* in non-help buffer, try to skip help buffers, and vv */ 1156 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1157 { 1158 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1159 break; 1160 if (bp == NULL) /* remember unloaded buf for later */ 1161 bp = buf; 1162 } 1163 if (forward) 1164 buf = buf->b_next; 1165 else 1166 buf = buf->b_prev; 1167 } 1168 } 1169 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1170 buf = bp; 1171 if (buf == NULL) /* No loaded buffer, find listed one */ 1172 { 1173 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1174 if (buf->b_p_bl && buf != curbuf) 1175 break; 1176 } 1177 if (buf == NULL) /* Still no buffer, just take one */ 1178 { 1179 if (curbuf->b_next != NULL) 1180 buf = curbuf->b_next; 1181 else 1182 buf = curbuf->b_prev; 1183 } 1184 } 1185 1186 /* 1187 * make buf current buffer 1188 */ 1189 if (action == DOBUF_SPLIT) /* split window first */ 1190 { 1191 # ifdef FEAT_WINDOWS 1192 /* jump to first window containing buf if one exists ("useopen") */ 1193 if (vim_strchr(p_swb, 'u') && buf_jump_open_win(buf)) 1194 return OK; 1195 if (win_split(0, 0) == FAIL) 1196 # endif 1197 return FAIL; 1198 } 1199 #endif 1200 1201 /* go to current buffer - nothing to do */ 1202 if (buf == curbuf) 1203 return OK; 1204 1205 /* 1206 * Check if the current buffer may be abandoned. 1207 */ 1208 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1209 { 1210 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1211 if ((p_confirm || cmdmod.confirm) && p_write) 1212 { 1213 dialog_changed(curbuf, FALSE); 1214 # ifdef FEAT_AUTOCMD 1215 if (!buf_valid(buf)) 1216 /* Autocommand deleted buffer, oops! */ 1217 return FAIL; 1218 # endif 1219 } 1220 if (bufIsChanged(curbuf)) 1221 #endif 1222 { 1223 EMSG(_(e_nowrtmsg)); 1224 return FAIL; 1225 } 1226 } 1227 1228 /* Go to the other buffer. */ 1229 set_curbuf(buf, action); 1230 1231 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1232 if (action == DOBUF_SPLIT) 1233 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1234 #endif 1235 1236 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1237 if (aborting()) /* autocmds may abort script processing */ 1238 return FAIL; 1239 #endif 1240 1241 return OK; 1242 } 1243 1244 #endif /* FEAT_LISTCMDS */ 1245 1246 /* 1247 * Set current buffer to "buf". Executes autocommands and closes current 1248 * buffer. "action" tells how to close the current buffer: 1249 * DOBUF_GOTO free or hide it 1250 * DOBUF_SPLIT nothing 1251 * DOBUF_UNLOAD unload it 1252 * DOBUF_DEL delete it 1253 * DOBUF_WIPE wipe it out 1254 */ 1255 void 1256 set_curbuf(buf, action) 1257 buf_T *buf; 1258 int action; 1259 { 1260 buf_T *prevbuf; 1261 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1262 || action == DOBUF_WIPE); 1263 1264 setpcmark(); 1265 if (!cmdmod.keepalt) 1266 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1267 buflist_altfpos(); /* remember curpos */ 1268 1269 #ifdef FEAT_VISUAL 1270 /* Don't restart Select mode after switching to another buffer. */ 1271 VIsual_reselect = FALSE; 1272 #endif 1273 1274 /* close_windows() or apply_autocmds() may change curbuf */ 1275 prevbuf = curbuf; 1276 1277 #ifdef FEAT_AUTOCMD 1278 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1279 # ifdef FEAT_EVAL 1280 if (buf_valid(prevbuf) && !aborting()) 1281 # else 1282 if (buf_valid(prevbuf)) 1283 # endif 1284 #endif 1285 { 1286 #ifdef FEAT_WINDOWS 1287 if (unload) 1288 close_windows(prevbuf); 1289 #endif 1290 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1291 if (buf_valid(prevbuf) && !aborting()) 1292 #else 1293 if (buf_valid(prevbuf)) 1294 #endif 1295 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1296 unload ? action : (action == DOBUF_GOTO 1297 && !P_HID(prevbuf) 1298 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1299 } 1300 #ifdef FEAT_AUTOCMD 1301 # ifdef FEAT_EVAL 1302 /* An autocommand may have deleted buf or aborted the script processing! */ 1303 if (buf_valid(buf) && !aborting()) 1304 # else 1305 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1306 # endif 1307 #endif 1308 enter_buffer(buf); 1309 } 1310 1311 /* 1312 * Enter a new current buffer. 1313 * Old curbuf must have been abandoned already! 1314 */ 1315 void 1316 enter_buffer(buf) 1317 buf_T *buf; 1318 { 1319 /* Copy buffer and window local option values. Not for a help buffer. */ 1320 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1321 if (!buf->b_help) 1322 get_winopts(buf); 1323 #ifdef FEAT_FOLDING 1324 else 1325 /* Remove all folds in the window. */ 1326 clearFolding(curwin); 1327 foldUpdateAll(curwin); /* update folds (later). */ 1328 #endif 1329 1330 /* Get the buffer in the current window. */ 1331 curwin->w_buffer = buf; 1332 curbuf = buf; 1333 ++curbuf->b_nwindows; 1334 1335 #ifdef FEAT_DIFF 1336 diff_new_buffer(); 1337 #endif 1338 1339 /* Cursor on first line by default. */ 1340 curwin->w_cursor.lnum = 1; 1341 curwin->w_cursor.col = 0; 1342 #ifdef FEAT_VIRTUALEDIT 1343 curwin->w_cursor.coladd = 0; 1344 #endif 1345 curwin->w_set_curswant = TRUE; 1346 1347 /* Make sure the buffer is loaded. */ 1348 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1349 { 1350 /* If there is no filetype, allow for detecting one. Esp. useful for 1351 * ":ball" used in a autocommand. If there already is a filetype we 1352 * might prefer to keep it. */ 1353 if (*curbuf->b_p_ft == NUL) 1354 did_filetype = FALSE; 1355 1356 open_buffer(FALSE, NULL); 1357 } 1358 else 1359 { 1360 need_fileinfo = TRUE; /* display file info after redraw */ 1361 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1362 #ifdef FEAT_AUTOCMD 1363 curwin->w_topline = 1; 1364 # ifdef FEAT_DIFF 1365 curwin->w_topfill = 0; 1366 # endif 1367 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1368 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1369 #endif 1370 } 1371 1372 /* If autocommands did not change the cursor position, restore cursor lnum 1373 * and possibly cursor col. */ 1374 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1375 buflist_getfpos(); 1376 1377 check_arg_idx(curwin); /* check for valid arg_idx */ 1378 #ifdef FEAT_TITLE 1379 maketitle(); 1380 #endif 1381 #ifdef FEAT_AUTOCMD 1382 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1383 #endif 1384 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1385 1386 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1387 /* Change directories when the acd option is set on. */ 1388 if (p_acd && curbuf->b_ffname != NULL 1389 && vim_chdirfile(curbuf->b_ffname) == OK) 1390 shorten_fnames(TRUE); 1391 #endif 1392 1393 #ifdef FEAT_KEYMAP 1394 if (curbuf->b_kmap_state & KEYMAP_INIT) 1395 keymap_init(); 1396 #endif 1397 redraw_later(NOT_VALID); 1398 } 1399 1400 /* 1401 * functions for dealing with the buffer list 1402 */ 1403 1404 /* 1405 * Add a file name to the buffer list. Return a pointer to the buffer. 1406 * If the same file name already exists return a pointer to that buffer. 1407 * If it does not exist, or if fname == NULL, a new entry is created. 1408 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1409 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1410 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1411 * If (flags & BLN_FORCE) is TRUE, don't abort on an error. 1412 * This is the ONLY way to create a new buffer. 1413 */ 1414 static int top_file_num = 1; /* highest file number */ 1415 1416 buf_T * 1417 buflist_new(ffname, sfname, lnum, flags) 1418 char_u *ffname; /* full path of fname or relative */ 1419 char_u *sfname; /* short fname or NULL */ 1420 linenr_T lnum; /* preferred cursor line */ 1421 int flags; /* BLN_ defines */ 1422 { 1423 buf_T *buf; 1424 #ifdef UNIX 1425 struct stat st; 1426 #endif 1427 1428 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1429 1430 /* 1431 * If file name already exists in the list, update the entry. 1432 */ 1433 #ifdef UNIX 1434 /* On Unix we can use inode numbers when the file exists. Works better 1435 * for hard links. */ 1436 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1437 st.st_dev = (dev_T)-1; 1438 #endif 1439 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1440 #ifdef UNIX 1441 buflist_findname_stat(ffname, &st) 1442 #else 1443 buflist_findname(ffname) 1444 #endif 1445 ) != NULL) 1446 { 1447 vim_free(ffname); 1448 if (lnum != 0) 1449 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1450 /* copy the options now, if 'cpo' doesn't have 's' and not done 1451 * already */ 1452 buf_copy_options(buf, 0); 1453 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1454 { 1455 buf->b_p_bl = TRUE; 1456 #ifdef FEAT_AUTOCMD 1457 if (!(flags & BLN_DUMMY)) 1458 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1459 #endif 1460 } 1461 return buf; 1462 } 1463 1464 /* 1465 * If the current buffer has no name and no contents, use the current 1466 * buffer. Otherwise: Need to allocate a new buffer structure. 1467 * 1468 * This is the ONLY place where a new buffer structure is allocated! 1469 */ 1470 buf = NULL; 1471 if ((flags & BLN_CURBUF) 1472 && curbuf != NULL 1473 && curbuf->b_ffname == NULL 1474 && curbuf->b_nwindows <= 1 1475 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1476 { 1477 buf = curbuf; 1478 #ifdef FEAT_AUTOCMD 1479 /* It's like this buffer is deleted. Watch out for autocommands that 1480 * change curbuf! If that happens, allocate a new buffer anyway. */ 1481 if (curbuf->b_p_bl) 1482 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1483 if (buf == curbuf) 1484 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1485 # ifdef FEAT_EVAL 1486 /* autocmds may abort script processing */ 1487 if (!(flags & BLN_FORCE) && aborting()) 1488 return NULL; 1489 # endif 1490 #endif 1491 #ifdef FEAT_QUICKFIX 1492 # ifdef FEAT_AUTOCMD 1493 if (buf == curbuf) 1494 # endif 1495 { 1496 /* Make sure 'bufhidden' and 'buftype' are empty */ 1497 clear_string_option(&buf->b_p_bh); 1498 clear_string_option(&buf->b_p_bt); 1499 } 1500 #endif 1501 } 1502 if (buf != curbuf || curbuf == NULL) 1503 { 1504 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1505 if (buf == NULL) 1506 { 1507 vim_free(ffname); 1508 return NULL; 1509 } 1510 } 1511 1512 if (ffname != NULL) 1513 { 1514 buf->b_ffname = ffname; 1515 buf->b_sfname = vim_strsave(sfname); 1516 } 1517 1518 clear_wininfo(buf); 1519 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1520 1521 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1522 || buf->b_wininfo == NULL) 1523 { 1524 vim_free(buf->b_ffname); 1525 buf->b_ffname = NULL; 1526 vim_free(buf->b_sfname); 1527 buf->b_sfname = NULL; 1528 if (buf != curbuf) 1529 free_buffer(buf); 1530 return NULL; 1531 } 1532 1533 if (buf == curbuf) 1534 { 1535 /* free all things allocated for this buffer */ 1536 buf_freeall(buf, FALSE, FALSE); 1537 if (buf != curbuf) /* autocommands deleted the buffer! */ 1538 return NULL; 1539 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1540 /* autocmds may abort script processing */ 1541 if (!(flags & BLN_FORCE) && aborting()) 1542 return NULL; 1543 #endif 1544 /* buf->b_nwindows = 0; why was this here? */ 1545 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1546 #ifdef FEAT_KEYMAP 1547 /* need to reload lmaps and set b:keymap_name */ 1548 curbuf->b_kmap_state |= KEYMAP_INIT; 1549 #endif 1550 } 1551 else 1552 { 1553 /* 1554 * put new buffer at the end of the buffer list 1555 */ 1556 buf->b_next = NULL; 1557 if (firstbuf == NULL) /* buffer list is empty */ 1558 { 1559 buf->b_prev = NULL; 1560 firstbuf = buf; 1561 } 1562 else /* append new buffer at end of list */ 1563 { 1564 lastbuf->b_next = buf; 1565 buf->b_prev = lastbuf; 1566 } 1567 lastbuf = buf; 1568 1569 buf->b_fnum = top_file_num++; 1570 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1571 { 1572 EMSG(_("W14: Warning: List of file names overflow")); 1573 if (emsg_silent == 0) 1574 { 1575 out_flush(); 1576 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1577 } 1578 top_file_num = 1; 1579 } 1580 1581 /* 1582 * Always copy the options from the current buffer. 1583 */ 1584 buf_copy_options(buf, BCO_ALWAYS); 1585 } 1586 1587 buf->b_wininfo->wi_fpos.lnum = lnum; 1588 buf->b_wininfo->wi_win = curwin; 1589 1590 #ifdef FEAT_EVAL 1591 var_init(&buf->b_vars); /* init internal variables */ 1592 #endif 1593 1594 buf->b_fname = buf->b_sfname; 1595 #ifdef UNIX 1596 if (st.st_dev == (dev_T)-1) 1597 buf->b_dev = -1; 1598 else 1599 { 1600 buf->b_dev = st.st_dev; 1601 buf->b_ino = st.st_ino; 1602 } 1603 #endif 1604 buf->b_u_synced = TRUE; 1605 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1606 buf_clear_file(buf); 1607 clrallmarks(buf); /* clear marks */ 1608 fmarks_check_names(buf); /* check file marks for this file */ 1609 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1610 #ifdef FEAT_AUTOCMD 1611 if (!(flags & BLN_DUMMY)) 1612 { 1613 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1614 if (flags & BLN_LISTED) 1615 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1616 # ifdef FEAT_EVAL 1617 /* autocmds may abort script processing */ 1618 if (!(flags & BLN_FORCE) && aborting()) 1619 return NULL; 1620 # endif 1621 } 1622 #endif 1623 1624 return buf; 1625 } 1626 1627 /* 1628 * Free the memory for the options of a buffer. 1629 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1630 * 'fileencoding'. 1631 */ 1632 void 1633 free_buf_options(buf, free_p_ff) 1634 buf_T *buf; 1635 int free_p_ff; 1636 { 1637 if (free_p_ff) 1638 { 1639 #ifdef FEAT_MBYTE 1640 clear_string_option(&buf->b_p_fenc); 1641 #endif 1642 clear_string_option(&buf->b_p_ff); 1643 #ifdef FEAT_QUICKFIX 1644 clear_string_option(&buf->b_p_bh); 1645 clear_string_option(&buf->b_p_bt); 1646 #endif 1647 } 1648 #ifdef FEAT_FIND_ID 1649 clear_string_option(&buf->b_p_def); 1650 clear_string_option(&buf->b_p_inc); 1651 # ifdef FEAT_EVAL 1652 clear_string_option(&buf->b_p_inex); 1653 # endif 1654 #endif 1655 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1656 clear_string_option(&buf->b_p_inde); 1657 clear_string_option(&buf->b_p_indk); 1658 #endif 1659 #ifdef FEAT_CRYPT 1660 clear_string_option(&buf->b_p_key); 1661 #endif 1662 clear_string_option(&buf->b_p_kp); 1663 clear_string_option(&buf->b_p_mps); 1664 clear_string_option(&buf->b_p_fo); 1665 clear_string_option(&buf->b_p_isk); 1666 #ifdef FEAT_KEYMAP 1667 clear_string_option(&buf->b_p_keymap); 1668 ga_clear(&buf->b_kmap_ga); 1669 #endif 1670 #ifdef FEAT_COMMENTS 1671 clear_string_option(&buf->b_p_com); 1672 #endif 1673 #ifdef FEAT_FOLDING 1674 clear_string_option(&buf->b_p_cms); 1675 #endif 1676 clear_string_option(&buf->b_p_nf); 1677 #ifdef FEAT_SYN_HL 1678 clear_string_option(&buf->b_p_syn); 1679 #endif 1680 #ifdef FEAT_SEARCHPATH 1681 clear_string_option(&buf->b_p_sua); 1682 #endif 1683 #ifdef FEAT_AUTOCMD 1684 clear_string_option(&buf->b_p_ft); 1685 #endif 1686 #ifdef FEAT_OSFILETYPE 1687 clear_string_option(&buf->b_p_oft); 1688 #endif 1689 #ifdef FEAT_CINDENT 1690 clear_string_option(&buf->b_p_cink); 1691 clear_string_option(&buf->b_p_cino); 1692 #endif 1693 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1694 clear_string_option(&buf->b_p_cinw); 1695 #endif 1696 #ifdef FEAT_INS_EXPAND 1697 clear_string_option(&buf->b_p_cpt); 1698 #endif 1699 #ifdef FEAT_COMPL_FUNC 1700 clear_string_option(&buf->b_p_cfu); 1701 #endif 1702 #ifdef FEAT_QUICKFIX 1703 clear_string_option(&buf->b_p_gp); 1704 clear_string_option(&buf->b_p_mp); 1705 clear_string_option(&buf->b_p_efm); 1706 #endif 1707 clear_string_option(&buf->b_p_ep); 1708 clear_string_option(&buf->b_p_path); 1709 clear_string_option(&buf->b_p_tags); 1710 #ifdef FEAT_INS_EXPAND 1711 clear_string_option(&buf->b_p_dict); 1712 clear_string_option(&buf->b_p_tsr); 1713 #endif 1714 #ifdef FEAT_TEXTOBJ 1715 clear_string_option(&buf->b_p_qe); 1716 #endif 1717 buf->b_p_ar = -1; 1718 } 1719 1720 /* 1721 * get alternate file n 1722 * set linenr to lnum or altfpos.lnum if lnum == 0 1723 * also set cursor column to altfpos.col if 'startofline' is not set. 1724 * if (options & GETF_SETMARK) call setpcmark() 1725 * if (options & GETF_ALT) we are jumping to an alternate file. 1726 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1727 * 1728 * return FAIL for failure, OK for success 1729 */ 1730 int 1731 buflist_getfile(n, lnum, options, forceit) 1732 int n; 1733 linenr_T lnum; 1734 int options; 1735 int forceit; 1736 { 1737 buf_T *buf; 1738 #ifdef FEAT_WINDOWS 1739 win_T *wp = NULL; 1740 #endif 1741 pos_T *fpos; 1742 colnr_T col; 1743 1744 buf = buflist_findnr(n); 1745 if (buf == NULL) 1746 { 1747 if ((options & GETF_ALT) && n == 0) 1748 EMSG(_(e_noalt)); 1749 else 1750 EMSGN(_("E92: Buffer %ld not found"), n); 1751 return FAIL; 1752 } 1753 1754 /* if alternate file is the current buffer, nothing to do */ 1755 if (buf == curbuf) 1756 return OK; 1757 1758 #ifdef FEAT_CMDWIN 1759 if (cmdwin_type != 0) 1760 return FAIL; 1761 #endif 1762 1763 /* altfpos may be changed by getfile(), get it now */ 1764 if (lnum == 0) 1765 { 1766 fpos = buflist_findfpos(buf); 1767 lnum = fpos->lnum; 1768 col = fpos->col; 1769 } 1770 else 1771 col = 0; 1772 1773 #ifdef FEAT_WINDOWS 1774 if (options & GETF_SWITCH) 1775 { 1776 /* use existing open window for buffer if wanted */ 1777 if (vim_strchr(p_swb, 'u')) /* useopen */ 1778 wp = buf_jump_open_win(buf); 1779 /* split window if wanted ("split") */ 1780 if (wp == NULL && vim_strchr(p_swb, 't') && !bufempty()) 1781 { 1782 if (win_split(0, 0) == FAIL) 1783 return FAIL; 1784 # ifdef FEAT_SCROLLBIND 1785 curwin->w_p_scb = FALSE; 1786 # endif 1787 } 1788 } 1789 #endif 1790 1791 ++RedrawingDisabled; 1792 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1793 lnum, forceit) <= 0) 1794 { 1795 --RedrawingDisabled; 1796 1797 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1798 if (!p_sol && col != 0) 1799 { 1800 curwin->w_cursor.col = col; 1801 check_cursor_col(); 1802 #ifdef FEAT_VIRTUALEDIT 1803 curwin->w_cursor.coladd = 0; 1804 #endif 1805 curwin->w_set_curswant = TRUE; 1806 } 1807 return OK; 1808 } 1809 --RedrawingDisabled; 1810 return FAIL; 1811 } 1812 1813 /* 1814 * go to the last know line number for the current buffer 1815 */ 1816 void 1817 buflist_getfpos() 1818 { 1819 pos_T *fpos; 1820 1821 fpos = buflist_findfpos(curbuf); 1822 1823 curwin->w_cursor.lnum = fpos->lnum; 1824 check_cursor_lnum(); 1825 1826 if (p_sol) 1827 curwin->w_cursor.col = 0; 1828 else 1829 { 1830 curwin->w_cursor.col = fpos->col; 1831 check_cursor_col(); 1832 #ifdef FEAT_VIRTUALEDIT 1833 curwin->w_cursor.coladd = 0; 1834 #endif 1835 curwin->w_set_curswant = TRUE; 1836 } 1837 } 1838 1839 /* 1840 * Find file in buffer list by name (it has to be for the current window). 1841 * "ffname" must have a full path. 1842 */ 1843 buf_T * 1844 buflist_findname(ffname) 1845 char_u *ffname; 1846 { 1847 #ifdef UNIX 1848 struct stat st; 1849 1850 if (mch_stat((char *)ffname, &st) < 0) 1851 st.st_dev = (dev_T)-1; 1852 return buflist_findname_stat(ffname, &st); 1853 } 1854 1855 /* 1856 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1857 * twice for the same file. 1858 */ 1859 static buf_T * 1860 buflist_findname_stat(ffname, stp) 1861 char_u *ffname; 1862 struct stat *stp; 1863 { 1864 #endif 1865 buf_T *buf; 1866 1867 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1868 if (!otherfile_buf(buf, ffname 1869 #ifdef UNIX 1870 , stp 1871 #endif 1872 )) 1873 return buf; 1874 return NULL; 1875 } 1876 1877 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 1878 /* 1879 * Find file in buffer list by a regexp pattern. 1880 * Return fnum of the found buffer. 1881 * Return < 0 for error. 1882 */ 1883 /*ARGSUSED*/ 1884 int 1885 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 1886 char_u *pattern; 1887 char_u *pattern_end; /* pointer to first char after pattern */ 1888 int unlisted; /* find unlisted buffers */ 1889 int diffmode; /* find diff-mode buffers only */ 1890 { 1891 buf_T *buf; 1892 regprog_T *prog; 1893 int match = -1; 1894 int find_listed; 1895 char_u *pat; 1896 char_u *patend; 1897 int attempt; 1898 char_u *p; 1899 int toggledollar; 1900 1901 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 1902 { 1903 if (*pattern == '%') 1904 match = curbuf->b_fnum; 1905 else 1906 match = curwin->w_alt_fnum; 1907 #ifdef FEAT_DIFF 1908 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 1909 match = -1; 1910 #endif 1911 } 1912 1913 /* 1914 * Try four ways of matching a listed buffer: 1915 * attempt == 0: without '^' or '$' (at any position) 1916 * attempt == 1: with '^' at start (only at postion 0) 1917 * attempt == 2: with '$' at end (only match at end) 1918 * attempt == 3: with '^' at start and '$' at end (only full match) 1919 * Repeat this for finding an unlisted buffer if there was no matching 1920 * listed buffer. 1921 */ 1922 else 1923 { 1924 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 1925 if (pat == NULL) 1926 return -1; 1927 patend = pat + STRLEN(pat) - 1; 1928 toggledollar = (patend > pat && *patend == '$'); 1929 1930 /* First try finding a listed buffer. If not found and "unlisted" 1931 * is TRUE, try finding an unlisted buffer. */ 1932 find_listed = TRUE; 1933 for (;;) 1934 { 1935 for (attempt = 0; attempt <= 3; ++attempt) 1936 { 1937 /* may add '^' and '$' */ 1938 if (toggledollar) 1939 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 1940 p = pat; 1941 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 1942 ++p; 1943 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 1944 if (prog == NULL) 1945 { 1946 vim_free(pat); 1947 return -1; 1948 } 1949 1950 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1951 if (buf->b_p_bl == find_listed 1952 #ifdef FEAT_DIFF 1953 && (!diffmode || diff_mode_buf(buf)) 1954 #endif 1955 && buflist_match(prog, buf) != NULL) 1956 { 1957 if (match >= 0) /* already found a match */ 1958 { 1959 match = -2; 1960 break; 1961 } 1962 match = buf->b_fnum; /* remember first match */ 1963 } 1964 1965 vim_free(prog); 1966 if (match >= 0) /* found one match */ 1967 break; 1968 } 1969 1970 /* Only search for unlisted buffers if there was no match with 1971 * a listed buffer. */ 1972 if (!unlisted || !find_listed || match != -1) 1973 break; 1974 find_listed = FALSE; 1975 } 1976 1977 vim_free(pat); 1978 } 1979 1980 if (match == -2) 1981 EMSG2(_("E93: More than one match for %s"), pattern); 1982 else if (match < 0) 1983 EMSG2(_("E94: No matching buffer for %s"), pattern); 1984 return match; 1985 } 1986 #endif 1987 1988 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 1989 1990 /* 1991 * Find all buffer names that match. 1992 * For command line expansion of ":buf" and ":sbuf". 1993 * Return OK if matches found, FAIL otherwise. 1994 */ 1995 int 1996 ExpandBufnames(pat, num_file, file, options) 1997 char_u *pat; 1998 int *num_file; 1999 char_u ***file; 2000 int options; 2001 { 2002 int count = 0; 2003 buf_T *buf; 2004 int round; 2005 char_u *p; 2006 int attempt; 2007 regprog_T *prog; 2008 2009 *num_file = 0; /* return values in case of FAIL */ 2010 *file = NULL; 2011 2012 /* 2013 * attempt == 1: try match with '^', match at start 2014 * attempt == 2: try match without '^', match anywhere 2015 */ 2016 for (attempt = 1; attempt <= 2; ++attempt) 2017 { 2018 if (attempt == 2) 2019 { 2020 if (*pat != '^') /* there's no '^', no need to try again */ 2021 break; 2022 ++pat; /* skip the '^' */ 2023 } 2024 prog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); 2025 if (prog == NULL) 2026 return FAIL; 2027 2028 /* 2029 * round == 1: Count the matches. 2030 * round == 2: Build the array to keep the matches. 2031 */ 2032 for (round = 1; round <= 2; ++round) 2033 { 2034 count = 0; 2035 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2036 { 2037 if (!buf->b_p_bl) /* skip unlisted buffers */ 2038 continue; 2039 p = buflist_match(prog, buf); 2040 if (p != NULL) 2041 { 2042 if (round == 1) 2043 ++count; 2044 else 2045 { 2046 if (options & WILD_HOME_REPLACE) 2047 p = home_replace_save(buf, p); 2048 else 2049 p = vim_strsave(p); 2050 (*file)[count++] = p; 2051 } 2052 } 2053 } 2054 if (count == 0) /* no match found, break here */ 2055 break; 2056 if (round == 1) 2057 { 2058 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2059 if (*file == NULL) 2060 { 2061 vim_free(prog); 2062 return FAIL; 2063 } 2064 } 2065 } 2066 vim_free(prog); 2067 if (count) /* match(es) found, break here */ 2068 break; 2069 } 2070 2071 *num_file = count; 2072 return (count == 0 ? FAIL : OK); 2073 } 2074 2075 #endif /* FEAT_CMDL_COMPL */ 2076 2077 #ifdef HAVE_BUFLIST_MATCH 2078 /* 2079 * Check for a match on the file name for buffer "buf" with regprog "prog". 2080 */ 2081 static char_u * 2082 buflist_match(prog, buf) 2083 regprog_T *prog; 2084 buf_T *buf; 2085 { 2086 char_u *match; 2087 2088 /* First try the short file name, then the long file name. */ 2089 match = fname_match(prog, buf->b_sfname); 2090 if (match == NULL) 2091 match = fname_match(prog, buf->b_ffname); 2092 2093 return match; 2094 } 2095 2096 /* 2097 * Try matching the regexp in "prog" with file name "name". 2098 * Return "name" when there is a match, NULL when not. 2099 */ 2100 static char_u * 2101 fname_match(prog, name) 2102 regprog_T *prog; 2103 char_u *name; 2104 { 2105 char_u *match = NULL; 2106 char_u *p; 2107 regmatch_T regmatch; 2108 2109 if (name != NULL) 2110 { 2111 regmatch.regprog = prog; 2112 #ifdef CASE_INSENSITIVE_FILENAME 2113 regmatch.rm_ic = TRUE; /* Always ignore case */ 2114 #else 2115 regmatch.rm_ic = FALSE; /* Never ignore case */ 2116 #endif 2117 2118 if (vim_regexec(®match, name, (colnr_T)0)) 2119 match = name; 2120 else 2121 { 2122 /* Replace $(HOME) with '~' and try matching again. */ 2123 p = home_replace_save(NULL, name); 2124 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2125 match = name; 2126 vim_free(p); 2127 } 2128 } 2129 2130 return match; 2131 } 2132 #endif 2133 2134 /* 2135 * find file in buffer list by number 2136 */ 2137 buf_T * 2138 buflist_findnr(nr) 2139 int nr; 2140 { 2141 buf_T *buf; 2142 2143 if (nr == 0) 2144 nr = curwin->w_alt_fnum; 2145 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2146 if (buf->b_fnum == nr) 2147 return (buf); 2148 return NULL; 2149 } 2150 2151 /* 2152 * Get name of file 'n' in the buffer list. 2153 * When the file has no name an empty string is returned. 2154 * home_replace() is used to shorten the file name (used for marks). 2155 * Returns a pointer to allocated memory, of NULL when failed. 2156 */ 2157 char_u * 2158 buflist_nr2name(n, fullname, helptail) 2159 int n; 2160 int fullname; 2161 int helptail; /* for help buffers return tail only */ 2162 { 2163 buf_T *buf; 2164 2165 buf = buflist_findnr(n); 2166 if (buf == NULL) 2167 return NULL; 2168 return home_replace_save(helptail ? buf : NULL, 2169 fullname ? buf->b_ffname : buf->b_fname); 2170 } 2171 2172 /* 2173 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2174 * When "copy_options" is TRUE save the local window option values. 2175 * When "lnum" is 0 only do the options. 2176 */ 2177 static void 2178 buflist_setfpos(buf, win, lnum, col, copy_options) 2179 buf_T *buf; 2180 win_T *win; 2181 linenr_T lnum; 2182 colnr_T col; 2183 int copy_options; 2184 { 2185 wininfo_T *wip; 2186 2187 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2188 if (wip->wi_win == win) 2189 break; 2190 if (wip == NULL) 2191 { 2192 /* allocate a new entry */ 2193 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2194 if (wip == NULL) 2195 return; 2196 wip->wi_win = win; 2197 if (lnum == 0) /* set lnum even when it's 0 */ 2198 lnum = 1; 2199 } 2200 else 2201 { 2202 /* remove the entry from the list */ 2203 if (wip->wi_prev) 2204 wip->wi_prev->wi_next = wip->wi_next; 2205 else 2206 buf->b_wininfo = wip->wi_next; 2207 if (wip->wi_next) 2208 wip->wi_next->wi_prev = wip->wi_prev; 2209 if (copy_options && wip->wi_optset) 2210 { 2211 clear_winopt(&wip->wi_opt); 2212 #ifdef FEAT_FOLDING 2213 deleteFoldRecurse(&wip->wi_folds); 2214 #endif 2215 } 2216 } 2217 if (lnum != 0) 2218 { 2219 wip->wi_fpos.lnum = lnum; 2220 wip->wi_fpos.col = col; 2221 } 2222 if (copy_options) 2223 { 2224 /* Save the window-specific option values. */ 2225 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2226 #ifdef FEAT_FOLDING 2227 wip->wi_fold_manual = win->w_fold_manual; 2228 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2229 #endif 2230 wip->wi_optset = TRUE; 2231 } 2232 2233 /* insert the entry in front of the list */ 2234 wip->wi_next = buf->b_wininfo; 2235 buf->b_wininfo = wip; 2236 wip->wi_prev = NULL; 2237 if (wip->wi_next) 2238 wip->wi_next->wi_prev = wip; 2239 2240 return; 2241 } 2242 2243 /* 2244 * Find info for the current window in buffer "buf". 2245 * If not found, return the info for the most recently used window. 2246 * Returns NULL when there isn't any info. 2247 */ 2248 static wininfo_T * 2249 find_wininfo(buf) 2250 buf_T *buf; 2251 { 2252 wininfo_T *wip; 2253 2254 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2255 if (wip->wi_win == curwin) 2256 break; 2257 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2258 wip = buf->b_wininfo; 2259 return wip; 2260 } 2261 2262 /* 2263 * Reset the local window options to the values last used in this window. 2264 * If the buffer wasn't used in this window before, use the values from 2265 * the most recently used window. If the values were never set, use the 2266 * global values for the window. 2267 */ 2268 void 2269 get_winopts(buf) 2270 buf_T *buf; 2271 { 2272 wininfo_T *wip; 2273 2274 clear_winopt(&curwin->w_onebuf_opt); 2275 #ifdef FEAT_FOLDING 2276 clearFolding(curwin); 2277 #endif 2278 2279 wip = find_wininfo(buf); 2280 if (wip != NULL && wip->wi_optset) 2281 { 2282 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2283 #ifdef FEAT_FOLDING 2284 curwin->w_fold_manual = wip->wi_fold_manual; 2285 curwin->w_foldinvalid = TRUE; 2286 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2287 #endif 2288 } 2289 else 2290 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2291 2292 #ifdef FEAT_FOLDING 2293 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2294 if (p_fdls >= 0) 2295 curwin->w_p_fdl = p_fdls; 2296 #endif 2297 } 2298 2299 /* 2300 * Find the position (lnum and col) for the buffer 'buf' for the current 2301 * window. 2302 * Returns a pointer to no_position if no position is found. 2303 */ 2304 pos_T * 2305 buflist_findfpos(buf) 2306 buf_T *buf; 2307 { 2308 wininfo_T *wip; 2309 static pos_T no_position = {1, 0}; 2310 2311 wip = find_wininfo(buf); 2312 if (wip != NULL) 2313 return &(wip->wi_fpos); 2314 else 2315 return &no_position; 2316 } 2317 2318 /* 2319 * Find the lnum for the buffer 'buf' for the current window. 2320 */ 2321 linenr_T 2322 buflist_findlnum(buf) 2323 buf_T *buf; 2324 { 2325 return buflist_findfpos(buf)->lnum; 2326 } 2327 2328 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2329 /* 2330 * List all know file names (for :files and :buffers command). 2331 */ 2332 /*ARGSUSED*/ 2333 void 2334 buflist_list(eap) 2335 exarg_T *eap; 2336 { 2337 buf_T *buf; 2338 int len; 2339 int i; 2340 2341 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2342 { 2343 /* skip unlisted buffers, unless ! was used */ 2344 if (!buf->b_p_bl && !eap->forceit) 2345 continue; 2346 msg_putchar('\n'); 2347 if (buf_spname(buf) != NULL) 2348 STRCPY(NameBuff, buf_spname(buf)); 2349 else 2350 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2351 2352 sprintf((char *)IObuff, "%3d%c%c%c%c%c \"", 2353 buf->b_fnum, 2354 buf->b_p_bl ? ' ' : 'u', 2355 buf == curbuf ? '%' : 2356 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2357 buf->b_ml.ml_mfp == NULL ? ' ' : 2358 (buf->b_nwindows == 0 ? 'h' : 'a'), 2359 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2360 (buf->b_flags & BF_READERR) ? 'x' 2361 : (bufIsChanged(buf) ? '+' : ' ') 2362 ); 2363 2364 len = (int)STRLEN(IObuff); 2365 STRNCPY(IObuff + len, NameBuff, IOSIZE - 20 - len); 2366 IObuff[IOSIZE - 20 - len] = NUL; /* make sure it's terminated */ 2367 2368 len = (int)STRLEN(IObuff); 2369 IObuff[len++] = '"'; 2370 2371 /* put "line 999" in column 40 or after the file name */ 2372 IObuff[len] = NUL; 2373 i = 40 - vim_strsize(IObuff); 2374 do 2375 { 2376 IObuff[len++] = ' '; 2377 } while (--i > 0 && len < IOSIZE - 18); 2378 sprintf((char *)IObuff + len, _("line %ld"), 2379 buf == curbuf ? curwin->w_cursor.lnum : 2380 (long)buflist_findlnum(buf)); 2381 msg_outtrans(IObuff); 2382 out_flush(); /* output one line at a time */ 2383 ui_breakcheck(); 2384 } 2385 } 2386 #endif 2387 2388 /* 2389 * Get file name and line number for file 'fnum'. 2390 * Used by DoOneCmd() for translating '%' and '#'. 2391 * Used by insert_reg() and cmdline_paste() for '#' register. 2392 * Return FAIL if not found, OK for success. 2393 */ 2394 int 2395 buflist_name_nr(fnum, fname, lnum) 2396 int fnum; 2397 char_u **fname; 2398 linenr_T *lnum; 2399 { 2400 buf_T *buf; 2401 2402 buf = buflist_findnr(fnum); 2403 if (buf == NULL || buf->b_fname == NULL) 2404 return FAIL; 2405 2406 *fname = buf->b_fname; 2407 *lnum = buflist_findlnum(buf); 2408 2409 return OK; 2410 } 2411 2412 /* 2413 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2414 * The file name with the full path is also remembered, for when :cd is used. 2415 * Returns FAIL for failure (file name already in use by other buffer) 2416 * OK otherwise. 2417 */ 2418 int 2419 setfname(buf, ffname, sfname, message) 2420 buf_T *buf; 2421 char_u *ffname, *sfname; 2422 int message; 2423 { 2424 buf_T *obuf; 2425 #ifdef UNIX 2426 struct stat st; 2427 #endif 2428 2429 if (ffname == NULL || *ffname == NUL) 2430 { 2431 /* Removing the name. */ 2432 vim_free(buf->b_ffname); 2433 vim_free(buf->b_sfname); 2434 buf->b_ffname = NULL; 2435 buf->b_sfname = NULL; 2436 #ifdef UNIX 2437 st.st_dev = (dev_T)-1; 2438 #endif 2439 } 2440 else 2441 { 2442 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2443 if (ffname == NULL) /* out of memory */ 2444 return FAIL; 2445 2446 /* 2447 * if the file name is already used in another buffer: 2448 * - if the buffer is loaded, fail 2449 * - if the buffer is not loaded, delete it from the list 2450 */ 2451 #ifdef UNIX 2452 if (mch_stat((char *)ffname, &st) < 0) 2453 st.st_dev = (dev_T)-1; 2454 obuf = buflist_findname_stat(ffname, &st); 2455 #else 2456 obuf = buflist_findname(ffname); 2457 #endif 2458 if (obuf != NULL && obuf != buf) 2459 { 2460 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2461 { 2462 if (message) 2463 EMSG(_("E95: Buffer with this name already exists")); 2464 vim_free(ffname); 2465 return FAIL; 2466 } 2467 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2468 } 2469 sfname = vim_strsave(sfname); 2470 if (ffname == NULL || sfname == NULL) 2471 { 2472 vim_free(sfname); 2473 vim_free(ffname); 2474 return FAIL; 2475 } 2476 #ifdef USE_FNAME_CASE 2477 # ifdef USE_LONG_FNAME 2478 if (USE_LONG_FNAME) 2479 # endif 2480 fname_case(sfname, 0); /* set correct case for short file name */ 2481 #endif 2482 vim_free(buf->b_ffname); 2483 vim_free(buf->b_sfname); 2484 buf->b_ffname = ffname; 2485 buf->b_sfname = sfname; 2486 } 2487 buf->b_fname = buf->b_sfname; 2488 #ifdef UNIX 2489 if (st.st_dev == (dev_T)-1) 2490 buf->b_dev = -1; 2491 else 2492 { 2493 buf->b_dev = st.st_dev; 2494 buf->b_ino = st.st_ino; 2495 } 2496 #endif 2497 2498 #ifndef SHORT_FNAME 2499 buf->b_shortname = FALSE; 2500 #endif 2501 2502 buf_name_changed(buf); 2503 return OK; 2504 } 2505 2506 /* 2507 * Take care of what needs to be done when the name of buffer "buf" has 2508 * changed. 2509 */ 2510 void 2511 buf_name_changed(buf) 2512 buf_T *buf; 2513 { 2514 /* 2515 * If the file name changed, also change the name of the swapfile 2516 */ 2517 if (buf->b_ml.ml_mfp != NULL) 2518 ml_setname(buf); 2519 2520 if (curwin->w_buffer == buf) 2521 check_arg_idx(curwin); /* check file name for arg list */ 2522 #ifdef FEAT_TITLE 2523 maketitle(); /* set window title */ 2524 #endif 2525 #ifdef FEAT_WINDOWS 2526 status_redraw_all(); /* status lines need to be redrawn */ 2527 #endif 2528 fmarks_check_names(buf); /* check named file marks */ 2529 ml_timestamp(buf); /* reset timestamp */ 2530 } 2531 2532 /* 2533 * set alternate file name for current window 2534 * 2535 * Used by do_one_cmd(), do_write() and do_ecmd(). 2536 * Return the buffer. 2537 */ 2538 buf_T * 2539 setaltfname(ffname, sfname, lnum) 2540 char_u *ffname; 2541 char_u *sfname; 2542 linenr_T lnum; 2543 { 2544 buf_T *buf; 2545 2546 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2547 buf = buflist_new(ffname, sfname, lnum, 0); 2548 if (buf != NULL && !cmdmod.keepalt) 2549 curwin->w_alt_fnum = buf->b_fnum; 2550 return buf; 2551 } 2552 2553 /* 2554 * Get alternate file name for current window. 2555 * Return NULL if there isn't any, and give error message if requested. 2556 */ 2557 char_u * 2558 getaltfname(errmsg) 2559 int errmsg; /* give error message */ 2560 { 2561 char_u *fname; 2562 linenr_T dummy; 2563 2564 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2565 { 2566 if (errmsg) 2567 EMSG(_(e_noalt)); 2568 return NULL; 2569 } 2570 return fname; 2571 } 2572 2573 /* 2574 * Add a file name to the buflist and return its number. 2575 * Uses same flags as buflist_new(), except BLN_DUMMY. 2576 * 2577 * used by qf_init(), main() and doarglist() 2578 */ 2579 int 2580 buflist_add(fname, flags) 2581 char_u *fname; 2582 int flags; 2583 { 2584 buf_T *buf; 2585 2586 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2587 if (buf != NULL) 2588 return buf->b_fnum; 2589 return 0; 2590 } 2591 2592 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2593 /* 2594 * Adjust slashes in file names. Called after 'shellslash' was set. 2595 */ 2596 void 2597 buflist_slash_adjust() 2598 { 2599 buf_T *bp; 2600 2601 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2602 { 2603 if (bp->b_ffname != NULL) 2604 slash_adjust(bp->b_ffname); 2605 if (bp->b_sfname != NULL) 2606 slash_adjust(bp->b_sfname); 2607 } 2608 } 2609 #endif 2610 2611 /* 2612 * Set alternate cursor position for current window. 2613 * Also save the local window option values. 2614 */ 2615 void 2616 buflist_altfpos() 2617 { 2618 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2619 curwin->w_cursor.col, TRUE); 2620 } 2621 2622 /* 2623 * Return TRUE if 'ffname' is not the same file as current file. 2624 * Fname must have a full path (expanded by mch_FullName()). 2625 */ 2626 int 2627 otherfile(ffname) 2628 char_u *ffname; 2629 { 2630 return otherfile_buf(curbuf, ffname 2631 #ifdef UNIX 2632 , NULL 2633 #endif 2634 ); 2635 } 2636 2637 static int 2638 otherfile_buf(buf, ffname 2639 #ifdef UNIX 2640 , stp 2641 #endif 2642 ) 2643 buf_T *buf; 2644 char_u *ffname; 2645 #ifdef UNIX 2646 struct stat *stp; 2647 #endif 2648 { 2649 /* no name is different */ 2650 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2651 return TRUE; 2652 if (fnamecmp(ffname, buf->b_ffname) == 0) 2653 return FALSE; 2654 #ifdef UNIX 2655 { 2656 struct stat st; 2657 2658 /* If no struct stat given, get it now */ 2659 if (stp == NULL) 2660 { 2661 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2662 st.st_dev = (dev_T)-1; 2663 stp = &st; 2664 } 2665 /* Use dev/ino to check if the files are the same, even when the names 2666 * are different (possible with links). Still need to compare the 2667 * name above, for when the file doesn't exist yet. 2668 * Problem: The dev/ino changes when a file is deleted (and created 2669 * again) and remains the same when renamed/moved. We don't want to 2670 * mch_stat() each buffer each time, that would be too slow. Get the 2671 * dev/ino again when they appear to match, but not when they appear 2672 * to be different: Could skip a buffer when it's actually the same 2673 * file. */ 2674 if (buf_same_ino(buf, stp)) 2675 { 2676 buf_setino(buf); 2677 if (buf_same_ino(buf, stp)) 2678 return FALSE; 2679 } 2680 } 2681 #endif 2682 return TRUE; 2683 } 2684 2685 #if defined(UNIX) || defined(PROTO) 2686 /* 2687 * Set inode and device number for a buffer. 2688 * Must always be called when b_fname is changed!. 2689 */ 2690 void 2691 buf_setino(buf) 2692 buf_T *buf; 2693 { 2694 struct stat st; 2695 2696 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2697 { 2698 buf->b_dev = st.st_dev; 2699 buf->b_ino = st.st_ino; 2700 } 2701 else 2702 buf->b_dev = -1; 2703 } 2704 2705 /* 2706 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2707 */ 2708 static int 2709 buf_same_ino(buf, stp) 2710 buf_T *buf; 2711 struct stat *stp; 2712 { 2713 return (buf->b_dev >= 0 2714 && stp->st_dev == buf->b_dev 2715 && stp->st_ino == buf->b_ino); 2716 } 2717 #endif 2718 2719 void 2720 fileinfo(fullname, shorthelp, dont_truncate) 2721 int fullname; 2722 int shorthelp; 2723 int dont_truncate; 2724 { 2725 char_u *name; 2726 int n; 2727 char_u *p; 2728 char_u *buffer; 2729 2730 buffer = alloc(IOSIZE); 2731 if (buffer == NULL) 2732 return; 2733 2734 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2735 { 2736 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2737 p = buffer + STRLEN(buffer); 2738 } 2739 else 2740 p = buffer; 2741 2742 *p++ = '"'; 2743 if (buf_spname(curbuf) != NULL) 2744 STRCPY(p, buf_spname(curbuf)); 2745 else 2746 { 2747 if (!fullname && curbuf->b_fname != NULL) 2748 name = curbuf->b_fname; 2749 else 2750 name = curbuf->b_ffname; 2751 home_replace(shorthelp ? curbuf : NULL, name, p, 2752 (int)(IOSIZE - (p - buffer)), TRUE); 2753 } 2754 2755 sprintf((char *)buffer + STRLEN(buffer), 2756 "\"%s%s%s%s%s%s", 2757 curbufIsChanged() ? (shortmess(SHM_MOD) 2758 ? " [+]" : _(" [Modified]")) : " ", 2759 (curbuf->b_flags & BF_NOTEDITED) 2760 #ifdef FEAT_QUICKFIX 2761 && !bt_dontwrite(curbuf) 2762 #endif 2763 ? _("[Not edited]") : "", 2764 (curbuf->b_flags & BF_NEW) 2765 #ifdef FEAT_QUICKFIX 2766 && !bt_dontwrite(curbuf) 2767 #endif 2768 ? _("[New file]") : "", 2769 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2770 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2771 : _("[readonly]")) : "", 2772 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2773 || curbuf->b_p_ro) ? 2774 " " : ""); 2775 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2776 * causes an overflow, thus for large numbers divide instead. */ 2777 if (curwin->w_cursor.lnum > 1000000L) 2778 n = (int)(((long)curwin->w_cursor.lnum) / 2779 ((long)curbuf->b_ml.ml_line_count / 100L)); 2780 else 2781 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2782 (long)curbuf->b_ml.ml_line_count); 2783 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2784 { 2785 STRCPY(buffer + STRLEN(buffer), _(no_lines_msg)); 2786 } 2787 #ifdef FEAT_CMDL_INFO 2788 else if (p_ru) 2789 { 2790 /* Current line and column are already on the screen -- webb */ 2791 if (curbuf->b_ml.ml_line_count == 1) 2792 sprintf((char *)buffer + STRLEN(buffer), _("1 line --%d%%--"), n); 2793 else 2794 sprintf((char *)buffer + STRLEN(buffer), _("%ld lines --%d%%--"), 2795 (long)curbuf->b_ml.ml_line_count, n); 2796 } 2797 #endif 2798 else 2799 { 2800 sprintf((char *)buffer + STRLEN(buffer), 2801 _("line %ld of %ld --%d%%-- col "), 2802 (long)curwin->w_cursor.lnum, 2803 (long)curbuf->b_ml.ml_line_count, 2804 n); 2805 validate_virtcol(); 2806 col_print(buffer + STRLEN(buffer), 2807 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2808 } 2809 2810 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2811 2812 if (dont_truncate) 2813 { 2814 /* Temporarily set msg_scroll to avoid the message being truncated. 2815 * First call msg_start() to get the message in the right place. */ 2816 msg_start(); 2817 n = msg_scroll; 2818 msg_scroll = TRUE; 2819 msg(buffer); 2820 msg_scroll = n; 2821 } 2822 else 2823 { 2824 p = msg_trunc_attr(buffer, FALSE, 0); 2825 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2826 { 2827 /* Need to repeat the message after redrawing when: 2828 * - When restart_edit is set (otherwise there will be a delay 2829 * before redrawing). 2830 * - When the screen was scrolled but there is no wait-return 2831 * prompt. */ 2832 set_keep_msg(p); 2833 keep_msg_attr = 0; 2834 } 2835 } 2836 2837 vim_free(buffer); 2838 } 2839 2840 void 2841 col_print(buf, col, vcol) 2842 char_u *buf; 2843 int col; 2844 int vcol; 2845 { 2846 if (col == vcol) 2847 sprintf((char *)buf, "%d", col); 2848 else 2849 sprintf((char *)buf, "%d-%d", col, vcol); 2850 } 2851 2852 #if defined(FEAT_TITLE) || defined(PROTO) 2853 /* 2854 * put file name in title bar of window and in icon title 2855 */ 2856 2857 static char_u *lasttitle = NULL; 2858 static char_u *lasticon = NULL; 2859 2860 void 2861 maketitle() 2862 { 2863 char_u *p; 2864 char_u *t_str = NULL; 2865 char_u *i_name; 2866 char_u *i_str = NULL; 2867 int maxlen = 0; 2868 int len; 2869 int mustset; 2870 char_u buf[IOSIZE]; 2871 int off; 2872 2873 if (!redrawing()) 2874 { 2875 /* Postpone updating the title when 'lazyredraw' is set. */ 2876 need_maketitle = TRUE; 2877 return; 2878 } 2879 2880 need_maketitle = FALSE; 2881 if (!p_title && !p_icon) 2882 return; 2883 2884 if (p_title) 2885 { 2886 if (p_titlelen > 0) 2887 { 2888 maxlen = p_titlelen * Columns / 100; 2889 if (maxlen < 10) 2890 maxlen = 10; 2891 } 2892 2893 t_str = buf; 2894 if (*p_titlestring != NUL) 2895 { 2896 #ifdef FEAT_STL_OPT 2897 if (stl_syntax & STL_IN_TITLE) 2898 build_stl_str_hl(curwin, t_str, sizeof(buf), 2899 p_titlestring, 0, maxlen, NULL); 2900 else 2901 #endif 2902 t_str = p_titlestring; 2903 } 2904 else 2905 { 2906 /* format: "fname + (path) (1 of 2) - VIM" */ 2907 2908 if (curbuf->b_fname == NULL) 2909 STRCPY(buf, _("[No file]")); 2910 else 2911 { 2912 p = transstr(gettail(curbuf->b_fname)); 2913 STRNCPY(buf, p, IOSIZE - 100); 2914 vim_free(p); 2915 buf[IOSIZE - 100] = NUL; /* in case it was too long */ 2916 } 2917 2918 switch (bufIsChanged(curbuf) 2919 + (curbuf->b_p_ro * 2) 2920 + (!curbuf->b_p_ma * 4)) 2921 { 2922 case 1: STRCAT(buf, " +"); break; 2923 case 2: STRCAT(buf, " ="); break; 2924 case 3: STRCAT(buf, " =+"); break; 2925 case 4: 2926 case 6: STRCAT(buf, " -"); break; 2927 case 5: 2928 case 7: STRCAT(buf, " -+"); break; 2929 } 2930 2931 if (curbuf->b_fname != NULL) 2932 { 2933 /* Get path of file, replace home dir with ~ */ 2934 off = (int)STRLEN(buf); 2935 buf[off++] = ' '; 2936 buf[off++] = '('; 2937 home_replace(curbuf, curbuf->b_ffname, 2938 buf + off, IOSIZE - off, TRUE); 2939 #ifdef BACKSLASH_IN_FILENAME 2940 /* avoid "c:/name" to be reduced to "c" */ 2941 if (isalpha(buf[off]) && buf[off + 1] == ':') 2942 off += 2; 2943 #endif 2944 /* remove the file name */ 2945 p = gettail(buf + off); 2946 if (p == buf + off) 2947 { 2948 /* must be a help buffer */ 2949 STRCPY(buf + off, _("help")); 2950 } 2951 else 2952 { 2953 while (p > buf + off + 1 && vim_ispathsep(p[-1])) 2954 --p; 2955 #ifdef VMS 2956 /* path separator is part of the path */ 2957 ++p; 2958 #endif 2959 *p = NUL; 2960 } 2961 /* translate unprintable chars */ 2962 p = transstr(buf + off); 2963 STRNCPY(buf + off, p, IOSIZE - off); 2964 vim_free(p); 2965 buf[IOSIZE - 1] = NUL; /* in case it was too long */ 2966 STRCAT(buf, ")"); 2967 } 2968 2969 append_arg_number(curwin, buf, FALSE, IOSIZE); 2970 2971 #if defined(FEAT_CLIENTSERVER) 2972 if (serverName != NULL) 2973 { 2974 STRCAT(buf, " - "); 2975 STRCAT(buf, serverName); 2976 } 2977 else 2978 #endif 2979 STRCAT(buf, " - VIM"); 2980 2981 if (maxlen > 0) 2982 { 2983 /* make it shorter by removing a bit in the middle */ 2984 len = vim_strsize(buf); 2985 if (len > maxlen) 2986 trunc_string(buf, buf, maxlen); 2987 } 2988 } 2989 } 2990 mustset = ti_change(t_str, &lasttitle); 2991 2992 if (p_icon) 2993 { 2994 i_str = buf; 2995 if (*p_iconstring != NUL) 2996 { 2997 #ifdef FEAT_STL_OPT 2998 if (stl_syntax & STL_IN_ICON) 2999 build_stl_str_hl(curwin, i_str, sizeof(buf), 3000 p_iconstring, 0, 0, NULL); 3001 else 3002 #endif 3003 i_str = p_iconstring; 3004 } 3005 else 3006 { 3007 if (buf_spname(curbuf) != NULL) 3008 i_name = (char_u *)buf_spname(curbuf); 3009 else /* use file name only in icon */ 3010 i_name = gettail(curbuf->b_ffname); 3011 *i_str = NUL; 3012 /* Truncate name at 100 bytes. */ 3013 len = STRLEN(i_name); 3014 if (len > 100) 3015 { 3016 len -= 100; 3017 #ifdef FEAT_MBYTE 3018 if (has_mbyte) 3019 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3020 #endif 3021 i_name += len; 3022 } 3023 STRCPY(i_str, i_name); 3024 trans_characters(i_str, IOSIZE); 3025 } 3026 } 3027 3028 mustset |= ti_change(i_str, &lasticon); 3029 3030 if (mustset) 3031 resettitle(); 3032 } 3033 3034 /* 3035 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3036 * from "str" if it does. 3037 * Return TRUE when "*last" changed. 3038 */ 3039 static int 3040 ti_change(str, last) 3041 char_u *str; 3042 char_u **last; 3043 { 3044 if ((str == NULL) != (*last == NULL) 3045 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3046 { 3047 vim_free(*last); 3048 if (str == NULL) 3049 *last = NULL; 3050 else 3051 *last = vim_strsave(str); 3052 return TRUE; 3053 } 3054 return FALSE; 3055 } 3056 3057 /* 3058 * Put current window title back (used after calling a shell) 3059 */ 3060 void 3061 resettitle() 3062 { 3063 mch_settitle(lasttitle, lasticon); 3064 } 3065 #endif /* FEAT_TITLE */ 3066 3067 #if defined(FEAT_STL_OPT) || defined(PROTO) 3068 /* 3069 * Build a string from the status line items in fmt. 3070 * Return length of string in screen cells. 3071 * 3072 * Items are drawn interspersed with the text that surrounds it 3073 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3074 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3075 * 3076 * If maxwidth is not zero, the string will be filled at any middle marker 3077 * or truncated if too long, fillchar is used for all whitespace. 3078 */ 3079 int 3080 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3081 win_T *wp; 3082 char_u *out; /* buffer to write into */ 3083 size_t outlen; /* length of out[] */ 3084 char_u *fmt; 3085 int fillchar; 3086 int maxwidth; 3087 struct stl_hlrec *hl; 3088 { 3089 char_u *p; 3090 char_u *s; 3091 char_u *t; 3092 char_u *linecont; 3093 #ifdef FEAT_EVAL 3094 win_T *o_curwin; 3095 buf_T *o_curbuf; 3096 #endif 3097 int empty_line; 3098 colnr_T virtcol; 3099 long l; 3100 long n; 3101 int prevchar_isflag; 3102 int prevchar_isitem; 3103 int itemisflag; 3104 int fillable; 3105 char_u *str; 3106 long num; 3107 int width; 3108 int itemcnt; 3109 int curitem; 3110 int groupitem[STL_MAX_ITEM]; 3111 int groupdepth; 3112 struct stl_item 3113 { 3114 char_u *start; 3115 int minwid; 3116 int maxwid; 3117 enum 3118 { 3119 Normal, 3120 Empty, 3121 Group, 3122 Middle, 3123 Highlight, 3124 Trunc 3125 } type; 3126 } item[STL_MAX_ITEM]; 3127 int minwid; 3128 int maxwid; 3129 int zeropad; 3130 char_u base; 3131 char_u opt; 3132 #define TMPLEN 70 3133 char_u tmp[TMPLEN]; 3134 3135 if (fillchar == 0) 3136 fillchar = ' '; 3137 /* 3138 * Get line & check if empty (cursorpos will show "0-1"). 3139 * If inversion is possible we use it. Else '=' characters are used. 3140 */ 3141 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3142 empty_line = (*linecont == NUL); 3143 3144 groupdepth = 0; 3145 p = out; 3146 curitem = 0; 3147 prevchar_isflag = TRUE; 3148 prevchar_isitem = FALSE; 3149 for (s = fmt; *s;) 3150 { 3151 if (*s != NUL && *s != '%') 3152 prevchar_isflag = prevchar_isitem = FALSE; 3153 3154 /* 3155 * Handle up to the next '%' or the end. 3156 */ 3157 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3158 *p++ = *s++; 3159 if (*s == NUL || p + 1 >= out + outlen) 3160 break; 3161 3162 /* 3163 * Handle one '%' item. 3164 */ 3165 s++; 3166 if (*s == '%') 3167 { 3168 if (p + 1 >= out + outlen) 3169 break; 3170 *p++ = *s++; 3171 prevchar_isflag = prevchar_isitem = FALSE; 3172 continue; 3173 } 3174 if (*s == STL_MIDDLEMARK) 3175 { 3176 s++; 3177 if (groupdepth > 0) 3178 continue; 3179 item[curitem].type = Middle; 3180 item[curitem++].start = p; 3181 continue; 3182 } 3183 if (*s == STL_TRUNCMARK) 3184 { 3185 s++; 3186 item[curitem].type = Trunc; 3187 item[curitem++].start = p; 3188 continue; 3189 } 3190 if (*s == ')') 3191 { 3192 s++; 3193 if (groupdepth < 1) 3194 continue; 3195 groupdepth--; 3196 3197 t = item[groupitem[groupdepth]].start; 3198 *p = NUL; 3199 l = vim_strsize(t); 3200 if (curitem > groupitem[groupdepth] + 1 3201 && item[groupitem[groupdepth]].minwid == 0) 3202 { 3203 /* remove group if all items are empty */ 3204 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3205 if (item[n].type == Normal) 3206 break; 3207 if (n == curitem) 3208 { 3209 p = t; 3210 l = 0; 3211 } 3212 } 3213 if (l > item[groupitem[groupdepth]].maxwid) 3214 { 3215 /* truncate, remove n bytes of text at the start */ 3216 #ifdef FEAT_MBYTE 3217 if (has_mbyte) 3218 { 3219 /* Find the first character that should be included. */ 3220 n = 0; 3221 while (l >= item[groupitem[groupdepth]].maxwid) 3222 { 3223 l -= ptr2cells(t + n); 3224 n += (*mb_ptr2len_check)(t + n); 3225 } 3226 } 3227 else 3228 #endif 3229 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3230 3231 *t = '<'; 3232 mch_memmove(t + 1, t + n, p - (t + n)); 3233 p = p - n + 1; 3234 #ifdef FEAT_MBYTE 3235 /* Fill up space left over by half a double-wide char. */ 3236 while (++l < item[groupitem[groupdepth]].minwid) 3237 *p++ = fillchar; 3238 #endif 3239 3240 /* correct the start of the items for the truncation */ 3241 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3242 { 3243 item[l].start -= n; 3244 if (item[l].start < t) 3245 item[l].start = t; 3246 } 3247 } 3248 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3249 { 3250 /* fill */ 3251 n = item[groupitem[groupdepth]].minwid; 3252 if (n < 0) 3253 { 3254 /* fill by appending characters */ 3255 n = 0 - n; 3256 while (l++ < n && p + 1 < out + outlen) 3257 *p++ = fillchar; 3258 } 3259 else 3260 { 3261 /* fill by inserting characters */ 3262 mch_memmove(t + n - l, t, p - t); 3263 l = n - l; 3264 if (p + l >= out + outlen) 3265 l = (out + outlen) - p - 1; 3266 p += l; 3267 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3268 item[n].start += l; 3269 for ( ; l > 0; l--) 3270 *t++ = fillchar; 3271 } 3272 } 3273 continue; 3274 } 3275 minwid = 0; 3276 maxwid = 9999; 3277 zeropad = FALSE; 3278 l = 1; 3279 if (*s == '0') 3280 { 3281 s++; 3282 zeropad = TRUE; 3283 } 3284 if (*s == '-') 3285 { 3286 s++; 3287 l = -1; 3288 } 3289 if (VIM_ISDIGIT(*s)) 3290 { 3291 minwid = (int)getdigits(&s); 3292 if (minwid < 0) /* overflow */ 3293 minwid = 0; 3294 } 3295 if (*s == STL_HIGHLIGHT) 3296 { 3297 item[curitem].type = Highlight; 3298 item[curitem].start = p; 3299 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3300 s++; 3301 curitem++; 3302 continue; 3303 } 3304 if (*s == '.') 3305 { 3306 s++; 3307 if (VIM_ISDIGIT(*s)) 3308 { 3309 maxwid = (int)getdigits(&s); 3310 if (maxwid <= 0) /* overflow */ 3311 maxwid = 50; 3312 } 3313 } 3314 minwid = (minwid > 50 ? 50 : minwid) * l; 3315 if (*s == '(') 3316 { 3317 groupitem[groupdepth++] = curitem; 3318 item[curitem].type = Group; 3319 item[curitem].start = p; 3320 item[curitem].minwid = minwid; 3321 item[curitem].maxwid = maxwid; 3322 s++; 3323 curitem++; 3324 continue; 3325 } 3326 if (vim_strchr(STL_ALL, *s) == NULL) 3327 { 3328 s++; 3329 continue; 3330 } 3331 opt = *s++; 3332 3333 /* OK - now for the real work */ 3334 base = 'D'; 3335 itemisflag = FALSE; 3336 fillable = TRUE; 3337 num = -1; 3338 str = NULL; 3339 switch (opt) 3340 { 3341 case STL_FILEPATH: 3342 case STL_FULLPATH: 3343 case STL_FILENAME: 3344 fillable = FALSE; /* don't change ' ' to fillchar */ 3345 if (buf_spname(wp->w_buffer) != NULL) 3346 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3347 else 3348 { 3349 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3350 : wp->w_buffer->b_fname; 3351 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3352 } 3353 trans_characters(NameBuff, MAXPATHL); 3354 if (opt != STL_FILENAME) 3355 str = NameBuff; 3356 else 3357 str = gettail(NameBuff); 3358 break; 3359 3360 case STL_VIM_EXPR: /* '{' */ 3361 itemisflag = TRUE; 3362 t = p; 3363 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3364 *p++ = *s++; 3365 if (*s != '}') /* missing '}' or out of space */ 3366 break; 3367 s++; 3368 *p = 0; 3369 p = t; 3370 3371 #ifdef FEAT_EVAL 3372 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3373 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3374 3375 o_curbuf = curbuf; 3376 o_curwin = curwin; 3377 curwin = wp; 3378 curbuf = wp->w_buffer; 3379 3380 str = eval_to_string_safe(p, &t); 3381 3382 curwin = o_curwin; 3383 curbuf = o_curbuf; 3384 do_unlet((char_u *)"g:actual_curbuf"); 3385 3386 if (str != NULL && *str != 0) 3387 { 3388 if (*skipdigits(str) == NUL) 3389 { 3390 num = atoi((char *)str); 3391 vim_free(str); 3392 str = NULL; 3393 itemisflag = FALSE; 3394 } 3395 } 3396 #endif 3397 break; 3398 3399 case STL_LINE: 3400 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3401 ? 0L : (long)(wp->w_cursor.lnum); 3402 break; 3403 3404 case STL_NUMLINES: 3405 num = wp->w_buffer->b_ml.ml_line_count; 3406 break; 3407 3408 case STL_COLUMN: 3409 num = !(State & INSERT) && empty_line 3410 ? 0 : (int)wp->w_cursor.col + 1; 3411 break; 3412 3413 case STL_VIRTCOL: 3414 case STL_VIRTCOL_ALT: 3415 /* In list mode virtcol needs to be recomputed */ 3416 virtcol = wp->w_virtcol; 3417 if (wp->w_p_list && lcs_tab1 == NUL) 3418 { 3419 wp->w_p_list = FALSE; 3420 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3421 wp->w_p_list = TRUE; 3422 } 3423 ++virtcol; 3424 /* Don't display %V if it's the same as %c. */ 3425 if (opt == STL_VIRTCOL_ALT 3426 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3427 ? 0 : (int)wp->w_cursor.col + 1))) 3428 break; 3429 num = (long)virtcol; 3430 break; 3431 3432 case STL_PERCENTAGE: 3433 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3434 (long)wp->w_buffer->b_ml.ml_line_count); 3435 break; 3436 3437 case STL_ALTPERCENT: 3438 str = tmp; 3439 get_rel_pos(wp, str); 3440 break; 3441 3442 case STL_ARGLISTSTAT: 3443 fillable = FALSE; 3444 tmp[0] = 0; 3445 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3446 str = tmp; 3447 break; 3448 3449 case STL_KEYMAP: 3450 fillable = FALSE; 3451 if (get_keymap_str(wp, tmp, TMPLEN)) 3452 str = tmp; 3453 break; 3454 case STL_PAGENUM: 3455 #ifdef FEAT_PRINTER 3456 num = get_printer_page_num(); 3457 #else 3458 num = 0; 3459 #endif 3460 break; 3461 3462 case STL_BUFNO: 3463 num = wp->w_buffer->b_fnum; 3464 break; 3465 3466 case STL_OFFSET_X: 3467 base = 'X'; 3468 case STL_OFFSET: 3469 #ifdef FEAT_BYTEOFF 3470 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3471 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3472 0L : l + 1 + (!(State & INSERT) && empty_line ? 3473 0 : (int)wp->w_cursor.col); 3474 #endif 3475 break; 3476 3477 case STL_BYTEVAL_X: 3478 base = 'X'; 3479 case STL_BYTEVAL: 3480 if (((State & INSERT) && wp == curwin) || empty_line) 3481 num = 0; 3482 else 3483 { 3484 #ifdef FEAT_MBYTE 3485 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3486 #else 3487 num = linecont[wp->w_cursor.col]; 3488 #endif 3489 } 3490 if (num == NL) 3491 num = 0; 3492 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3493 num = NL; 3494 break; 3495 3496 case STL_ROFLAG: 3497 case STL_ROFLAG_ALT: 3498 itemisflag = TRUE; 3499 if (wp->w_buffer->b_p_ro) 3500 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3501 break; 3502 3503 case STL_HELPFLAG: 3504 case STL_HELPFLAG_ALT: 3505 itemisflag = TRUE; 3506 if (wp->w_buffer->b_help) 3507 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3508 : _("[help]")); 3509 break; 3510 3511 #ifdef FEAT_AUTOCMD 3512 case STL_FILETYPE: 3513 if (*wp->w_buffer->b_p_ft != NUL 3514 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3515 { 3516 sprintf((char *)tmp, "[%s]", wp->w_buffer->b_p_ft); 3517 str = tmp; 3518 } 3519 break; 3520 3521 case STL_FILETYPE_ALT: 3522 itemisflag = TRUE; 3523 if (*wp->w_buffer->b_p_ft != NUL 3524 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3525 { 3526 sprintf((char *)tmp, ",%s", wp->w_buffer->b_p_ft); 3527 for (t = tmp; *t != 0; t++) 3528 *t = TOUPPER_LOC(*t); 3529 str = tmp; 3530 } 3531 break; 3532 #endif 3533 3534 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3535 case STL_PREVIEWFLAG: 3536 case STL_PREVIEWFLAG_ALT: 3537 itemisflag = TRUE; 3538 if (wp->w_p_pvw) 3539 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3540 : _("[Preview]")); 3541 break; 3542 #endif 3543 3544 case STL_MODIFIED: 3545 case STL_MODIFIED_ALT: 3546 itemisflag = TRUE; 3547 switch ((opt == STL_MODIFIED_ALT) 3548 + bufIsChanged(wp->w_buffer) * 2 3549 + (!wp->w_buffer->b_p_ma) * 4) 3550 { 3551 case 2: str = (char_u *)"[+]"; break; 3552 case 3: str = (char_u *)",+"; break; 3553 case 4: str = (char_u *)"[-]"; break; 3554 case 5: str = (char_u *)",-"; break; 3555 case 6: str = (char_u *)"[+-]"; break; 3556 case 7: str = (char_u *)",+-"; break; 3557 } 3558 break; 3559 } 3560 3561 item[curitem].start = p; 3562 item[curitem].type = Normal; 3563 if (str != NULL && *str) 3564 { 3565 t = str; 3566 if (itemisflag) 3567 { 3568 if ((t[0] && t[1]) 3569 && ((!prevchar_isitem && *t == ',') 3570 || (prevchar_isflag && *t == ' '))) 3571 t++; 3572 prevchar_isflag = TRUE; 3573 } 3574 l = vim_strsize(t); 3575 if (l > 0) 3576 prevchar_isitem = TRUE; 3577 if (l > maxwid) 3578 { 3579 while (l >= maxwid) 3580 #ifdef FEAT_MBYTE 3581 if (has_mbyte) 3582 { 3583 l -= ptr2cells(t); 3584 t += (*mb_ptr2len_check)(t); 3585 } 3586 else 3587 #endif 3588 l -= byte2cells(*t++); 3589 if (p + 1 >= out + outlen) 3590 break; 3591 *p++ = '<'; 3592 } 3593 if (minwid > 0) 3594 { 3595 for (; l < minwid && p + 1 < out + outlen; l++) 3596 { 3597 /* Don't put a "-" in front of a digit. */ 3598 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3599 *p++ = ' '; 3600 else 3601 *p++ = fillchar; 3602 } 3603 minwid = 0; 3604 } 3605 else 3606 minwid *= -1; 3607 while (*t && p + 1 < out + outlen) 3608 { 3609 *p++ = *t++; 3610 /* Change a space by fillchar, unless fillchar is '-' and a 3611 * digit follows. */ 3612 if (fillable && p[-1] == ' ' 3613 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3614 p[-1] = fillchar; 3615 } 3616 for (; l < minwid && p + 1 < out + outlen; l++) 3617 *p++ = fillchar; 3618 } 3619 else if (num >= 0) 3620 { 3621 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3622 char_u nstr[20]; 3623 3624 if (p + 20 >= out + outlen) 3625 break; /* not sufficient space */ 3626 prevchar_isitem = TRUE; 3627 t = nstr; 3628 if (opt == STL_VIRTCOL_ALT) 3629 { 3630 *t++ = '-'; 3631 minwid--; 3632 } 3633 *t++ = '%'; 3634 if (zeropad) 3635 *t++ = '0'; 3636 *t++ = '*'; 3637 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3638 *t = 0; 3639 3640 for (n = num, l = 1; n >= nbase; n /= nbase) 3641 l++; 3642 if (opt == STL_VIRTCOL_ALT) 3643 l++; 3644 if (l > maxwid) 3645 { 3646 l += 2; 3647 n = l - maxwid; 3648 while (l-- > maxwid) 3649 num /= nbase; 3650 *t++ = '>'; 3651 *t++ = '%'; 3652 *t = t[-3]; 3653 *++t = 0; 3654 sprintf((char *)p, (char *)nstr, 0, num, n); 3655 } 3656 else 3657 sprintf((char *)p, (char *)nstr, minwid, num); 3658 p += STRLEN(p); 3659 } 3660 else 3661 item[curitem].type = Empty; 3662 3663 if (opt == STL_VIM_EXPR) 3664 vim_free(str); 3665 3666 if (num >= 0 || (!itemisflag && str && *str)) 3667 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3668 curitem++; 3669 } 3670 *p = NUL; 3671 itemcnt = curitem; 3672 3673 width = vim_strsize(out); 3674 if (maxwidth > 0 && width > maxwidth) 3675 { 3676 /* Result is too long, must trunctate somewhere. */ 3677 l = 0; 3678 if (itemcnt == 0) 3679 s = out; 3680 else 3681 { 3682 for ( ; l < itemcnt; l++) 3683 if (item[l].type == Trunc) 3684 { 3685 /* Truncate at %< item. */ 3686 s = item[l].start; 3687 break; 3688 } 3689 if (l == itemcnt) 3690 { 3691 /* No %< item, truncate first item. */ 3692 s = item[0].start; 3693 l = 0; 3694 } 3695 } 3696 3697 if (width - vim_strsize(s) >= maxwidth) 3698 { 3699 /* Truncation mark is beyond max length */ 3700 #ifdef FEAT_MBYTE 3701 if (has_mbyte) 3702 { 3703 s = out; 3704 width = 0; 3705 for (;;) 3706 { 3707 width += ptr2cells(s); 3708 if (width >= maxwidth) 3709 break; 3710 s += (*mb_ptr2len_check)(s); 3711 } 3712 /* Fill up for half a double-wide character. */ 3713 while (++width < maxwidth) 3714 *s++ = fillchar; 3715 } 3716 else 3717 #endif 3718 s = out + maxwidth - 1; 3719 for (l = 0; l < itemcnt; l++) 3720 if (item[l].start > s) 3721 break; 3722 itemcnt = l; 3723 *s++ = '>'; 3724 *s = 0; 3725 } 3726 else 3727 { 3728 #ifdef FEAT_MBYTE 3729 if (has_mbyte) 3730 { 3731 n = 0; 3732 while (width >= maxwidth) 3733 { 3734 width -= ptr2cells(s + n); 3735 n += (*mb_ptr2len_check)(s + n); 3736 } 3737 } 3738 else 3739 #endif 3740 n = width - maxwidth + 1; 3741 p = s + n; 3742 mch_memmove(s + 1, p, STRLEN(p) + 1); 3743 *s = '<'; 3744 3745 /* Fill up for half a double-wide character. */ 3746 while (++width < maxwidth) 3747 { 3748 s = s + STRLEN(s); 3749 *s++ = fillchar; 3750 *s = NUL; 3751 } 3752 3753 --n; /* count the '<' */ 3754 for (; l < itemcnt; l++) 3755 { 3756 if (item[l].start - n >= s) 3757 item[l].start -= n; 3758 else 3759 item[l].start = s; 3760 } 3761 } 3762 width = maxwidth; 3763 } 3764 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3765 { 3766 /* Apply STL_MIDDLE if any */ 3767 for (l = 0; l < itemcnt; l++) 3768 if (item[l].type == Middle) 3769 break; 3770 if (l < itemcnt) 3771 { 3772 p = item[l].start + maxwidth - width; 3773 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3774 for (s = item[l].start; s < p; s++) 3775 *s = fillchar; 3776 for (l++; l < itemcnt; l++) 3777 item[l].start += maxwidth - width; 3778 width = maxwidth; 3779 } 3780 } 3781 3782 if (hl != NULL) 3783 { 3784 for (l = 0; l < itemcnt; l++) 3785 { 3786 if (item[l].type == Highlight) 3787 { 3788 hl->start = item[l].start; 3789 hl->userhl = item[l].minwid; 3790 hl++; 3791 } 3792 } 3793 hl->start = NULL; 3794 hl->userhl = 0; 3795 } 3796 3797 return width; 3798 } 3799 #endif /* FEAT_STL_OPT */ 3800 3801 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3802 /* 3803 * Get relative cursor position in window, in the form 99%, using "Top", "Bot" 3804 * or "All" when appropriate. 3805 */ 3806 void 3807 get_rel_pos(wp, str) 3808 win_T *wp; 3809 char_u *str; 3810 { 3811 long above; /* number of lines above window */ 3812 long below; /* number of lines below window */ 3813 3814 above = wp->w_topline - 1; 3815 #ifdef FEAT_DIFF 3816 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3817 #endif 3818 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3819 if (below <= 0) 3820 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3821 else if (above <= 0) 3822 STRCPY(str, _("Top")); 3823 else 3824 sprintf((char *)str, "%2d%%", above > 1000000L 3825 ? (int)(above / ((above + below) / 100L)) 3826 : (int)(above * 100L / (above + below))); 3827 } 3828 #endif 3829 3830 /* 3831 * Append (file 2 of 8) to 'buf', if editing more than one file. 3832 * Return TRUE if it was appended. 3833 */ 3834 int 3835 append_arg_number(wp, buf, add_file, maxlen) 3836 win_T *wp; 3837 char_u *buf; 3838 int add_file; /* Add "file" before the arg number */ 3839 int maxlen; /* maximum nr of chars in buf or zero*/ 3840 { 3841 char_u *p; 3842 3843 if (ARGCOUNT <= 1) /* nothing to do */ 3844 return FALSE; 3845 3846 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3847 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3848 return FALSE; 3849 *p++ = ' '; 3850 *p++ = '('; 3851 if (add_file) 3852 { 3853 STRCPY(p, "file "); 3854 p += 5; 3855 } 3856 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3857 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3858 return TRUE; 3859 } 3860 3861 /* 3862 * If fname is not a full path, make it a full path. 3863 * Returns pointer to allocated memory (NULL for failure). 3864 */ 3865 char_u * 3866 fix_fname(fname) 3867 char_u *fname; 3868 { 3869 /* 3870 * Force expanding the path always for Unix, because symbolic links may 3871 * mess up the full path name, even though it starts with a '/'. 3872 * Also expand when there is ".." in the file name, try to remove it, 3873 * because "c:/src/../README" is equal to "c:/README". 3874 * For MS-Windows also expand names like "longna~1" to "longname". 3875 */ 3876 #ifdef UNIX 3877 return FullName_save(fname, TRUE); 3878 #else 3879 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 3880 #if defined(MSWIN) || defined(DJGPP) 3881 || vim_strchr(fname, '~') != NULL 3882 #endif 3883 ) 3884 return FullName_save(fname, FALSE); 3885 3886 fname = vim_strsave(fname); 3887 3888 #ifdef USE_FNAME_CASE 3889 # ifdef USE_LONG_FNAME 3890 if (USE_LONG_FNAME) 3891 # endif 3892 { 3893 if (fname != NULL) 3894 fname_case(fname, 0); /* set correct case for file name */ 3895 } 3896 #endif 3897 3898 return fname; 3899 #endif 3900 } 3901 3902 /* 3903 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 3904 * "ffname" becomes a pointer to allocated memory (or NULL). 3905 */ 3906 /*ARGSUSED*/ 3907 void 3908 fname_expand(buf, ffname, sfname) 3909 buf_T *buf; 3910 char_u **ffname; 3911 char_u **sfname; 3912 { 3913 if (*ffname == NULL) /* if no file name given, nothing to do */ 3914 return; 3915 if (*sfname == NULL) /* if no short file name given, use ffname */ 3916 *sfname = *ffname; 3917 *ffname = fix_fname(*ffname); /* expand to full path */ 3918 3919 #ifdef FEAT_SHORTCUT 3920 if (!buf->b_p_bin) 3921 { 3922 char_u *rfname = NULL; 3923 3924 /* If the file name is a shortcut file, use the file it links to. */ 3925 rfname = mch_resolve_shortcut(*ffname); 3926 if (rfname) 3927 { 3928 vim_free(*ffname); 3929 *ffname = rfname; 3930 *sfname = rfname; 3931 } 3932 } 3933 #endif 3934 } 3935 3936 /* 3937 * Get the file name for an argument list entry. 3938 */ 3939 char_u * 3940 alist_name(aep) 3941 aentry_T *aep; 3942 { 3943 buf_T *bp; 3944 3945 /* Use the name from the associated buffer if it exists. */ 3946 bp = buflist_findnr(aep->ae_fnum); 3947 if (bp == NULL) 3948 return aep->ae_fname; 3949 return bp->b_fname; 3950 } 3951 3952 #if defined(FEAT_WINDOWS) || defined(PROTO) 3953 /* 3954 * do_arg_all(): Open up to 'count' windows, one for each argument. 3955 */ 3956 void 3957 do_arg_all(count, forceit) 3958 int count; 3959 int forceit; /* hide buffers in current windows */ 3960 { 3961 int i; 3962 win_T *wp, *wpnext; 3963 char_u *opened; /* array of flags for which args are open */ 3964 int opened_len; /* lenght of opened[] */ 3965 int use_firstwin = FALSE; /* use first window for arglist */ 3966 int split_ret = OK; 3967 int p_ea_save; 3968 alist_T *alist; /* argument list to be used */ 3969 buf_T *buf; 3970 3971 if (ARGCOUNT <= 0) 3972 { 3973 /* Don't give an error message. We don't want it when the ":all" 3974 * command is in the .vimrc. */ 3975 return; 3976 } 3977 setpcmark(); 3978 3979 opened_len = ARGCOUNT; 3980 opened = alloc_clear((unsigned)opened_len); 3981 if (opened == NULL) 3982 return; 3983 3984 #ifdef FEAT_GUI 3985 need_mouse_correct = TRUE; 3986 #endif 3987 3988 /* 3989 * Try closing all windows that are not in the argument list. 3990 * Also close windows that are not full width; 3991 * When 'hidden' or "forceit" set the buffer becomes hidden. 3992 * Windows that have a changed buffer and can't be hidden won't be closed. 3993 */ 3994 for (wp = firstwin; wp != NULL; wp = wpnext) 3995 { 3996 wpnext = wp->w_next; 3997 buf = wp->w_buffer; 3998 if (buf->b_ffname == NULL 3999 || buf->b_nwindows > 1 4000 #ifdef FEAT_VERTSPLIT 4001 || wp->w_width != Columns 4002 #endif 4003 ) 4004 i = ARGCOUNT; 4005 else 4006 { 4007 /* check if the buffer in this window is in the arglist */ 4008 for (i = 0; i < ARGCOUNT; ++i) 4009 { 4010 if (ARGLIST[i].ae_fnum == buf->b_fnum 4011 || fullpathcmp(alist_name(&ARGLIST[i]), 4012 buf->b_ffname, TRUE) & FPC_SAME) 4013 { 4014 if (i < opened_len) 4015 opened[i] = TRUE; 4016 if (wp->w_alist != curwin->w_alist) 4017 { 4018 /* Use the current argument list for all windows 4019 * containing a file from it. */ 4020 alist_unlink(wp->w_alist); 4021 wp->w_alist = curwin->w_alist; 4022 ++wp->w_alist->al_refcount; 4023 } 4024 break; 4025 } 4026 } 4027 } 4028 wp->w_arg_idx = i; 4029 4030 if (i == ARGCOUNT) /* close this window */ 4031 { 4032 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4033 || !bufIsChanged(buf)) 4034 { 4035 /* If the buffer was changed, and we would like to hide it, 4036 * try autowriting. */ 4037 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4038 { 4039 (void)autowrite(buf, FALSE); 4040 #ifdef FEAT_AUTOCMD 4041 /* check if autocommands removed the window */ 4042 if (!win_valid(wp) || !buf_valid(buf)) 4043 { 4044 wpnext = firstwin; /* start all over... */ 4045 continue; 4046 } 4047 #endif 4048 } 4049 #ifdef FEAT_WINDOWS 4050 if (firstwin == lastwin) /* can't close last window */ 4051 #endif 4052 use_firstwin = TRUE; 4053 #ifdef FEAT_WINDOWS 4054 else 4055 { 4056 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4057 # ifdef FEAT_AUTOCMD 4058 /* check if autocommands removed the next window */ 4059 if (!win_valid(wpnext)) 4060 wpnext = firstwin; /* start all over... */ 4061 # endif 4062 } 4063 #endif 4064 } 4065 } 4066 } 4067 4068 /* 4069 * Open a window for files in the argument list that don't have one. 4070 * ARGCOUNT may change while doing this, because of autocommands. 4071 */ 4072 if (count > ARGCOUNT || count <= 0) 4073 count = ARGCOUNT; 4074 4075 /* Autocommands may do anything to the argument list. Make sure it's not 4076 * freed while we are working here by "locking" it. We still have to 4077 * watch out for its size to be changed. */ 4078 alist = curwin->w_alist; 4079 ++alist->al_refcount; 4080 4081 #ifdef FEAT_AUTOCMD 4082 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4083 ++autocmd_no_enter; 4084 ++autocmd_no_leave; 4085 #endif 4086 win_enter(lastwin, FALSE); 4087 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4088 { 4089 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4090 arg_had_last = TRUE; 4091 if (i < opened_len && opened[i]) 4092 { 4093 /* Move the already present window to below the current window */ 4094 if (curwin->w_arg_idx != i) 4095 { 4096 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4097 { 4098 if (wpnext->w_arg_idx == i) 4099 { 4100 win_move_after(wpnext, curwin); 4101 break; 4102 } 4103 } 4104 } 4105 } 4106 else if (split_ret == OK) 4107 { 4108 if (!use_firstwin) /* split current window */ 4109 { 4110 p_ea_save = p_ea; 4111 p_ea = TRUE; /* use space from all windows */ 4112 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4113 p_ea = p_ea_save; 4114 if (split_ret == FAIL) 4115 continue; 4116 } 4117 #ifdef FEAT_AUTOCMD 4118 else /* first window: do autocmd for leaving this buffer */ 4119 --autocmd_no_leave; 4120 #endif 4121 4122 /* 4123 * edit file i 4124 */ 4125 curwin->w_arg_idx = i; 4126 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4127 ECMD_ONE, 4128 ((P_HID(curwin->w_buffer) 4129 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4130 + ECMD_OLDBUF); 4131 #ifdef FEAT_AUTOCMD 4132 if (use_firstwin) 4133 ++autocmd_no_leave; 4134 #endif 4135 use_firstwin = FALSE; 4136 } 4137 ui_breakcheck(); 4138 } 4139 4140 /* Remove the "lock" on the argument list. */ 4141 alist_unlink(alist); 4142 4143 #ifdef FEAT_AUTOCMD 4144 --autocmd_no_enter; 4145 #endif 4146 win_enter(firstwin, FALSE); /* back to first window */ 4147 #ifdef FEAT_AUTOCMD 4148 --autocmd_no_leave; 4149 #endif 4150 vim_free(opened); 4151 } 4152 4153 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4154 /* 4155 * Open a window for a number of buffers. 4156 */ 4157 void 4158 ex_buffer_all(eap) 4159 exarg_T *eap; 4160 { 4161 buf_T *buf; 4162 win_T *wp, *wpnext; 4163 int split_ret = OK; 4164 int p_ea_save; 4165 int open_wins = 0; 4166 int r; 4167 int count; /* Maximum number of windows to open. */ 4168 int all; /* When TRUE also load inactive buffers. */ 4169 4170 if (eap->addr_count == 0) /* make as many windows as possible */ 4171 count = 9999; 4172 else 4173 count = eap->line2; /* make as many windows as specified */ 4174 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4175 all = FALSE; 4176 else 4177 all = TRUE; 4178 4179 setpcmark(); 4180 4181 #ifdef FEAT_GUI 4182 need_mouse_correct = TRUE; 4183 #endif 4184 4185 /* 4186 * Close superfluous windows (two windows for the same buffer). 4187 * Also close windows that are not full-width. 4188 */ 4189 for (wp = firstwin; wp != NULL; wp = wpnext) 4190 { 4191 wpnext = wp->w_next; 4192 if (wp->w_buffer->b_nwindows > 1 4193 #ifdef FEAT_VERTSPLIT 4194 || ((cmdmod.split & WSP_VERT) 4195 ? wp->w_height + wp->w_status_height < Rows - p_ch 4196 : wp->w_width != Columns) 4197 #endif 4198 ) 4199 { 4200 win_close(wp, FALSE); 4201 #ifdef FEAT_AUTOCMD 4202 wpnext = firstwin; /* just in case an autocommand does something 4203 strange with windows */ 4204 open_wins = 0; 4205 #endif 4206 } 4207 else 4208 ++open_wins; 4209 } 4210 4211 /* 4212 * Go through the buffer list. When a buffer doesn't have a window yet, 4213 * open one. Otherwise move the window to the right position. 4214 * Watch out for autocommands that delete buffers or windows! 4215 */ 4216 #ifdef FEAT_AUTOCMD 4217 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4218 ++autocmd_no_enter; 4219 #endif 4220 win_enter(lastwin, FALSE); 4221 #ifdef FEAT_AUTOCMD 4222 ++autocmd_no_leave; 4223 #endif 4224 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4225 { 4226 /* Check if this buffer needs a window */ 4227 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4228 continue; 4229 4230 /* Check if this buffer already has a window */ 4231 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4232 if (wp->w_buffer == buf) 4233 break; 4234 /* If the buffer already has a window, move it */ 4235 if (wp != NULL) 4236 win_move_after(wp, curwin); 4237 else if (split_ret == OK) 4238 { 4239 /* Split the window and put the buffer in it */ 4240 p_ea_save = p_ea; 4241 p_ea = TRUE; /* use space from all windows */ 4242 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4243 ++open_wins; 4244 p_ea = p_ea_save; 4245 if (split_ret == FAIL) 4246 continue; 4247 4248 /* Open the buffer in this window. */ 4249 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4250 swap_exists_action = SEA_DIALOG; 4251 #endif 4252 set_curbuf(buf, DOBUF_GOTO); 4253 #ifdef FEAT_AUTOCMD 4254 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4255 { 4256 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4257 swap_exists_action = SEA_NONE; 4258 # endif 4259 break; 4260 } 4261 #endif 4262 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4263 if (swap_exists_action == SEA_QUIT) 4264 { 4265 int old_got_int = got_int; 4266 4267 /* User selected Quit at ATTENTION prompt; close this window. 4268 * Reset got_int here, because it causes aborting() to return 4269 * TRUE which breaks closing a window. */ 4270 got_int = FALSE; 4271 4272 win_close(curwin, TRUE); 4273 --open_wins; 4274 4275 got_int |= old_got_int; 4276 swap_exists_action = SEA_NONE; 4277 } 4278 else 4279 handle_swap_exists(NULL); 4280 #endif 4281 } 4282 4283 ui_breakcheck(); 4284 if (got_int) 4285 { 4286 (void)vgetc(); /* only break the file loading, not the rest */ 4287 break; 4288 } 4289 #ifdef FEAT_EVAL 4290 /* Autocommands deleted the buffer or aborted script processing!!! */ 4291 if (aborting()) 4292 break; 4293 #endif 4294 } 4295 #ifdef FEAT_AUTOCMD 4296 --autocmd_no_enter; 4297 #endif 4298 win_enter(firstwin, FALSE); /* back to first window */ 4299 #ifdef FEAT_AUTOCMD 4300 --autocmd_no_leave; 4301 #endif 4302 4303 /* 4304 * Close superfluous windows. 4305 */ 4306 for (wp = lastwin; open_wins > count; ) 4307 { 4308 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4309 || autowrite(wp->w_buffer, FALSE) == OK); 4310 #ifdef FEAT_AUTOCMD 4311 if (!win_valid(wp)) 4312 { 4313 /* BufWrite Autocommands made the window invalid, start over */ 4314 wp = lastwin; 4315 } 4316 else 4317 #endif 4318 if (r) 4319 { 4320 win_close(wp, !P_HID(wp->w_buffer)); 4321 --open_wins; 4322 wp = lastwin; 4323 } 4324 else 4325 { 4326 wp = wp->w_prev; 4327 if (wp == NULL) 4328 break; 4329 } 4330 } 4331 } 4332 # endif /* FEAT_LISTCMDS */ 4333 4334 #endif /* FEAT_WINDOWS */ 4335 4336 /* 4337 * do_modelines() - process mode lines for the current file 4338 * 4339 * Returns immediately if the "ml" option isn't set. 4340 */ 4341 static int chk_modeline __ARGS((linenr_T)); 4342 4343 void 4344 do_modelines() 4345 { 4346 linenr_T lnum; 4347 int nmlines; 4348 static int entered = 0; 4349 4350 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4351 return; 4352 4353 /* Disallow recursive entry here. Can happen when executing a modeline 4354 * triggers an autocommand, which reloads modelines with a ":do". */ 4355 if (entered) 4356 return; 4357 4358 ++entered; 4359 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4360 ++lnum) 4361 if (chk_modeline(lnum) == FAIL) 4362 nmlines = 0; 4363 4364 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4365 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4366 if (chk_modeline(lnum) == FAIL) 4367 nmlines = 0; 4368 --entered; 4369 } 4370 4371 #include "version.h" /* for version number */ 4372 4373 /* 4374 * chk_modeline() - check a single line for a mode string 4375 * Return FAIL if an error encountered. 4376 */ 4377 static int 4378 chk_modeline(lnum) 4379 linenr_T lnum; 4380 { 4381 char_u *s; 4382 char_u *e; 4383 char_u *linecopy; /* local copy of any modeline found */ 4384 int prev; 4385 int vers; 4386 int end; 4387 int retval = OK; 4388 char_u *save_sourcing_name; 4389 linenr_T save_sourcing_lnum; 4390 #ifdef FEAT_EVAL 4391 scid_T save_SID; 4392 #endif 4393 4394 prev = -1; 4395 for (s = ml_get(lnum); *s != NUL; ++s) 4396 { 4397 if (prev == -1 || vim_isspace(prev)) 4398 { 4399 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4400 || STRNCMP(s, "vi:", (size_t)3) == 0) 4401 break; 4402 if (STRNCMP(s, "vim", 3) == 0) 4403 { 4404 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4405 e = s + 4; 4406 else 4407 e = s + 3; 4408 vers = getdigits(&e); 4409 if (*e == ':' 4410 && (s[3] == ':' 4411 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4412 || (VIM_VERSION_100 < vers && s[3] == '<') 4413 || (VIM_VERSION_100 > vers && s[3] == '>') 4414 || (VIM_VERSION_100 == vers && s[3] == '='))) 4415 break; 4416 } 4417 } 4418 prev = *s; 4419 } 4420 4421 if (*s) 4422 { 4423 do /* skip over "ex:", "vi:" or "vim:" */ 4424 ++s; 4425 while (s[-1] != ':'); 4426 4427 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4428 if (linecopy == NULL) 4429 return FAIL; 4430 4431 save_sourcing_lnum = sourcing_lnum; 4432 save_sourcing_name = sourcing_name; 4433 sourcing_lnum = lnum; /* prepare for emsg() */ 4434 sourcing_name = (char_u *)"modelines"; 4435 4436 end = FALSE; 4437 while (end == FALSE) 4438 { 4439 s = skipwhite(s); 4440 if (*s == NUL) 4441 break; 4442 4443 /* 4444 * Find end of set command: ':' or end of line. 4445 * Skip over "\:", replacing it with ":". 4446 */ 4447 for (e = s; *e != ':' && *e != NUL; ++e) 4448 if (e[0] == '\\' && e[1] == ':') 4449 STRCPY(e, e + 1); 4450 if (*e == NUL) 4451 end = TRUE; 4452 4453 /* 4454 * If there is a "set" command, require a terminating ':' and 4455 * ignore the stuff after the ':'. 4456 * "vi:set opt opt opt: foo" -- foo not interpreted 4457 * "vi:opt opt opt: foo" -- foo interpreted 4458 * Accept "se" for compatibility with Elvis. 4459 */ 4460 if (STRNCMP(s, "set ", (size_t)4) == 0 4461 || STRNCMP(s, "se ", (size_t)3) == 0) 4462 { 4463 if (*e != ':') /* no terminating ':'? */ 4464 break; 4465 end = TRUE; 4466 s = vim_strchr(s, ' ') + 1; 4467 } 4468 *e = NUL; /* truncate the set command */ 4469 4470 if (*s != NUL) /* skip over an empty "::" */ 4471 { 4472 #ifdef FEAT_EVAL 4473 save_SID = current_SID; 4474 current_SID = SID_MODELINE; 4475 #endif 4476 retval = do_set(s, OPT_MODELINE | OPT_LOCAL); 4477 #ifdef FEAT_EVAL 4478 current_SID = save_SID; 4479 #endif 4480 if (retval == FAIL) /* stop if error found */ 4481 break; 4482 } 4483 s = e + 1; /* advance to next part */ 4484 } 4485 4486 sourcing_lnum = save_sourcing_lnum; 4487 sourcing_name = save_sourcing_name; 4488 4489 vim_free(linecopy); 4490 } 4491 return retval; 4492 } 4493 4494 #ifdef FEAT_VIMINFO 4495 int 4496 read_viminfo_bufferlist(virp, writing) 4497 vir_T *virp; 4498 int writing; 4499 { 4500 char_u *tab; 4501 linenr_T lnum; 4502 colnr_T col; 4503 buf_T *buf; 4504 char_u *sfname; 4505 char_u *xline; 4506 4507 /* Handle long line and escaped characters. */ 4508 xline = viminfo_readstring(virp, 1, FALSE); 4509 4510 /* don't read in if there are files on the command-line or if writing: */ 4511 if (xline != NULL && !writing && ARGCOUNT == 0 4512 && find_viminfo_parameter('%') != NULL) 4513 { 4514 /* Format is: <fname> Tab <lnum> Tab <col>. 4515 * Watch out for a Tab in the file name, work from the end. */ 4516 lnum = 0; 4517 col = 0; 4518 tab = vim_strrchr(xline, '\t'); 4519 if (tab != NULL) 4520 { 4521 *tab++ = '\0'; 4522 col = atoi((char *)tab); 4523 tab = vim_strrchr(xline, '\t'); 4524 if (tab != NULL) 4525 { 4526 *tab++ = '\0'; 4527 lnum = atol((char *)tab); 4528 } 4529 } 4530 4531 /* Expand "~/" in the file name at "line + 1" to a full path. 4532 * Then try shortening it by comparing with the current directory */ 4533 expand_env(xline, NameBuff, MAXPATHL); 4534 mch_dirname(IObuff, IOSIZE); 4535 sfname = shorten_fname(NameBuff, IObuff); 4536 if (sfname == NULL) 4537 sfname = NameBuff; 4538 4539 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4540 if (buf != NULL) /* just in case... */ 4541 { 4542 buf->b_last_cursor.lnum = lnum; 4543 buf->b_last_cursor.col = col; 4544 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4545 } 4546 } 4547 vim_free(xline); 4548 4549 return viminfo_readline(virp); 4550 } 4551 4552 void 4553 write_viminfo_bufferlist(fp) 4554 FILE *fp; 4555 { 4556 buf_T *buf; 4557 #ifdef FEAT_WINDOWS 4558 win_T *win; 4559 #endif 4560 char_u *line; 4561 4562 if (find_viminfo_parameter('%') == NULL) 4563 return; 4564 4565 /* Allocate room for the file name, lnum and col. */ 4566 line = alloc(MAXPATHL + 30); 4567 if (line == NULL) 4568 return; 4569 4570 #ifdef FEAT_WINDOWS 4571 for (win = firstwin; win != NULL; win = win->w_next) 4572 set_last_cursor(win); 4573 #else 4574 set_last_cursor(curwin); 4575 #endif 4576 4577 fprintf(fp, _("\n# Buffer list:\n")); 4578 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4579 { 4580 if (buf->b_fname == NULL 4581 || !buf->b_p_bl 4582 #ifdef FEAT_QUICKFIX 4583 || bt_quickfix(buf) 4584 #endif 4585 || removable(buf->b_ffname)) 4586 continue; 4587 4588 putc('%', fp); 4589 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4590 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4591 (long)buf->b_last_cursor.lnum, 4592 buf->b_last_cursor.col); 4593 viminfo_writestring(fp, line); 4594 } 4595 vim_free(line); 4596 } 4597 #endif 4598 4599 4600 /* 4601 * Return special buffer name. 4602 * Returns NULL when the buffer has a normal file name. 4603 */ 4604 char * 4605 buf_spname(buf) 4606 buf_T *buf; 4607 { 4608 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4609 if (bt_quickfix(buf)) 4610 return _("[Error List]"); 4611 #endif 4612 #ifdef FEAT_QUICKFIX 4613 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4614 * contains the name as specified by the user */ 4615 if (bt_nofile(buf)) 4616 { 4617 if (buf->b_sfname != NULL) 4618 return (char *)buf->b_sfname; 4619 return "[Scratch]"; 4620 } 4621 #endif 4622 if (buf->b_fname == NULL) 4623 return _("[No Name]"); 4624 return NULL; 4625 } 4626 4627 4628 #if defined(FEAT_SIGNS) || defined(PROTO) 4629 /* 4630 * Insert the sign into the signlist. 4631 */ 4632 static void 4633 insert_sign(buf, prev, next, id, lnum, typenr) 4634 buf_T *buf; /* buffer to store sign in */ 4635 signlist_T *prev; /* previous sign entry */ 4636 signlist_T *next; /* next sign entry */ 4637 int id; /* sign ID */ 4638 linenr_T lnum; /* line number which gets the mark */ 4639 int typenr; /* typenr of sign we are adding */ 4640 { 4641 signlist_T *newsign; 4642 4643 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4644 if (newsign != NULL) 4645 { 4646 newsign->id = id; 4647 newsign->lnum = lnum; 4648 newsign->typenr = typenr; 4649 newsign->next = next; 4650 #ifdef FEAT_NETBEANS_INTG 4651 newsign->prev = prev; 4652 if (next != NULL) 4653 next->prev = newsign; 4654 #endif 4655 4656 if (prev == NULL) 4657 { 4658 /* When adding first sign need to redraw the windows to create the 4659 * column for signs. */ 4660 if (buf->b_signlist == NULL) 4661 { 4662 redraw_buf_later(buf, NOT_VALID); 4663 changed_cline_bef_curs(); 4664 } 4665 4666 /* first sign in signlist */ 4667 buf->b_signlist = newsign; 4668 } 4669 else 4670 prev->next = newsign; 4671 } 4672 } 4673 4674 /* 4675 * Add the sign into the signlist. Find the right spot to do it though. 4676 */ 4677 void 4678 buf_addsign(buf, id, lnum, typenr) 4679 buf_T *buf; /* buffer to store sign in */ 4680 int id; /* sign ID */ 4681 linenr_T lnum; /* line number which gets the mark */ 4682 int typenr; /* typenr of sign we are adding */ 4683 { 4684 signlist_T *sign; /* a sign in the signlist */ 4685 signlist_T *prev; /* the previous sign */ 4686 4687 prev = NULL; 4688 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4689 { 4690 if (lnum == sign->lnum && id == sign->id) 4691 { 4692 sign->typenr = typenr; 4693 return; 4694 } 4695 else if ( 4696 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4697 id < 0 && 4698 #endif 4699 lnum < sign->lnum) 4700 { 4701 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4702 /* XXX - GRP: Is this because of sign slide problem? Or is it 4703 * really needed? Or is it because we allow multiple signs per 4704 * line? If so, should I add that feature to FEAT_SIGNS? 4705 */ 4706 while (prev != NULL && prev->lnum == lnum) 4707 prev = prev->prev; 4708 if (prev == NULL) 4709 sign = buf->b_signlist; 4710 else 4711 sign = prev->next; 4712 #endif 4713 insert_sign(buf, prev, sign, id, lnum, typenr); 4714 return; 4715 } 4716 prev = sign; 4717 } 4718 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4719 /* XXX - GRP: See previous comment */ 4720 while (prev != NULL && prev->lnum == lnum) 4721 prev = prev->prev; 4722 if (prev == NULL) 4723 sign = buf->b_signlist; 4724 else 4725 sign = prev->next; 4726 #endif 4727 insert_sign(buf, prev, sign, id, lnum, typenr); 4728 4729 return; 4730 } 4731 4732 int 4733 buf_change_sign_type(buf, markId, typenr) 4734 buf_T *buf; /* buffer to store sign in */ 4735 int markId; /* sign ID */ 4736 int typenr; /* typenr of sign we are adding */ 4737 { 4738 signlist_T *sign; /* a sign in the signlist */ 4739 4740 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4741 { 4742 if (sign->id == markId) 4743 { 4744 sign->typenr = typenr; 4745 return sign->lnum; 4746 } 4747 } 4748 4749 return 0; 4750 } 4751 4752 int_u 4753 buf_getsigntype(buf, lnum, type) 4754 buf_T *buf; 4755 linenr_T lnum; 4756 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4757 { 4758 signlist_T *sign; /* a sign in a b_signlist */ 4759 4760 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4761 if (sign->lnum == lnum 4762 && (type == SIGN_ANY 4763 # ifdef FEAT_SIGN_ICONS 4764 || (type == SIGN_ICON 4765 && sign_get_image(sign->typenr) != NULL) 4766 # endif 4767 || (type == SIGN_TEXT 4768 && sign_get_text(sign->typenr) != NULL) 4769 || (type == SIGN_LINEHL 4770 && sign_get_attr(sign->typenr, TRUE) != 0))) 4771 return sign->typenr; 4772 return 0; 4773 } 4774 4775 4776 linenr_T 4777 buf_delsign(buf, id) 4778 buf_T *buf; /* buffer sign is stored in */ 4779 int id; /* sign id */ 4780 { 4781 signlist_T **lastp; /* pointer to pointer to current sign */ 4782 signlist_T *sign; /* a sign in a b_signlist */ 4783 signlist_T *next; /* the next sign in a b_signlist */ 4784 linenr_T lnum; /* line number whose sign was deleted */ 4785 4786 lastp = &buf->b_signlist; 4787 lnum = 0; 4788 for (sign = buf->b_signlist; sign != NULL; sign = next) 4789 { 4790 next = sign->next; 4791 if (sign->id == id) 4792 { 4793 *lastp = next; 4794 #ifdef FEAT_NETBEANS_INTG 4795 if (next != NULL) 4796 next->prev = sign->prev; 4797 #endif 4798 lnum = sign->lnum; 4799 vim_free(sign); 4800 break; 4801 } 4802 else 4803 lastp = &sign->next; 4804 } 4805 4806 /* When deleted the last sign need to redraw the windows to remove the 4807 * sign column. */ 4808 if (buf->b_signlist == NULL) 4809 { 4810 redraw_buf_later(buf, NOT_VALID); 4811 changed_cline_bef_curs(); 4812 } 4813 4814 return lnum; 4815 } 4816 4817 4818 /* 4819 * Find the line number of the sign with the requested id. If the sign does 4820 * not exist, return 0 as the line number. This will still let the correct file 4821 * get loaded. 4822 */ 4823 int 4824 buf_findsign(buf, id) 4825 buf_T *buf; /* buffer to store sign in */ 4826 int id; /* sign ID */ 4827 { 4828 signlist_T *sign; /* a sign in the signlist */ 4829 4830 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4831 if (sign->id == id) 4832 return sign->lnum; 4833 4834 return 0; 4835 } 4836 4837 int 4838 buf_findsign_id(buf, lnum) 4839 buf_T *buf; /* buffer whose sign we are searching for */ 4840 linenr_T lnum; /* line number of sign */ 4841 { 4842 signlist_T *sign; /* a sign in the signlist */ 4843 4844 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4845 if (sign->lnum == lnum) 4846 return sign->id; 4847 4848 return 0; 4849 } 4850 4851 4852 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 4853 /* see if a given type of sign exists on a specific line */ 4854 int 4855 buf_findsigntype_id(buf, lnum, typenr) 4856 buf_T *buf; /* buffer whose sign we are searching for */ 4857 linenr_T lnum; /* line number of sign */ 4858 int typenr; /* sign type number */ 4859 { 4860 signlist_T *sign; /* a sign in the signlist */ 4861 4862 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4863 if (sign->lnum == lnum && sign->typenr == typenr) 4864 return sign->id; 4865 4866 return 0; 4867 } 4868 4869 4870 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 4871 /* return the number of icons on the given line */ 4872 int 4873 buf_signcount(buf, lnum) 4874 buf_T *buf; 4875 linenr_T lnum; 4876 { 4877 signlist_T *sign; /* a sign in the signlist */ 4878 int count = 0; 4879 4880 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4881 if (sign->lnum == lnum) 4882 if (sign_get_image(sign->typenr) != NULL) 4883 count++; 4884 4885 return count; 4886 } 4887 # endif /* FEAT_SIGN_ICONS */ 4888 # endif /* FEAT_NETBEANS_INTG */ 4889 4890 4891 /* 4892 * Delete signs in buffer "buf". 4893 */ 4894 static void 4895 buf_delete_signs(buf) 4896 buf_T *buf; 4897 { 4898 signlist_T *next; 4899 4900 while (buf->b_signlist != NULL) 4901 { 4902 next = buf->b_signlist->next; 4903 vim_free(buf->b_signlist); 4904 buf->b_signlist = next; 4905 } 4906 } 4907 4908 /* 4909 * Delete all signs in all buffers. 4910 */ 4911 void 4912 buf_delete_all_signs() 4913 { 4914 buf_T *buf; /* buffer we are checking for signs */ 4915 4916 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 4917 if (buf->b_signlist != NULL) 4918 { 4919 /* Need to redraw the windows to remove the sign column. */ 4920 redraw_buf_later(buf, NOT_VALID); 4921 buf_delete_signs(buf); 4922 } 4923 } 4924 4925 /* 4926 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 4927 */ 4928 void 4929 sign_list_placed(rbuf) 4930 buf_T *rbuf; 4931 { 4932 buf_T *buf; 4933 signlist_T *p; 4934 char lbuf[BUFSIZ]; 4935 4936 MSG_PUTS_TITLE(_("\n--- Signs ---")); 4937 msg_putchar('\n'); 4938 if (rbuf == NULL) 4939 buf = firstbuf; 4940 else 4941 buf = rbuf; 4942 while (buf != NULL) 4943 { 4944 if (buf->b_signlist != NULL) 4945 { 4946 #ifdef HAVE_SNPRINTF 4947 snprintf 4948 #else 4949 sprintf 4950 #endif 4951 (lbuf, 4952 #ifdef HAVE_SNPRINTF 4953 BUFSIZ, 4954 #endif 4955 _("Signs for %s:"), buf->b_fname); 4956 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 4957 msg_putchar('\n'); 4958 } 4959 for (p = buf->b_signlist; p != NULL; p = p->next) 4960 { 4961 sprintf(lbuf, _(" line=%ld id=%d name=%s"), 4962 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 4963 MSG_PUTS(lbuf); 4964 msg_putchar('\n'); 4965 } 4966 if (rbuf != NULL) 4967 break; 4968 buf = buf->b_next; 4969 } 4970 } 4971 4972 /* 4973 * Adjust a placed sign for inserted/deleted lines. 4974 */ 4975 void 4976 sign_mark_adjust(line1, line2, amount, amount_after) 4977 linenr_T line1; 4978 linenr_T line2; 4979 long amount; 4980 long amount_after; 4981 { 4982 signlist_T *sign; /* a sign in a b_signlist */ 4983 4984 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 4985 { 4986 if (sign->lnum >= line1 && sign->lnum <= line2) 4987 { 4988 if (amount == MAXLNUM) 4989 sign->lnum = line1; 4990 else 4991 sign->lnum += amount; 4992 } 4993 else if (sign->lnum > line2) 4994 sign->lnum += amount_after; 4995 } 4996 } 4997 #endif /* FEAT_SIGNS */ 4998 4999 /* 5000 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5001 */ 5002 void 5003 set_buflisted(on) 5004 int on; 5005 { 5006 if (on != curbuf->b_p_bl) 5007 { 5008 curbuf->b_p_bl = on; 5009 #ifdef FEAT_AUTOCMD 5010 if (on) 5011 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5012 else 5013 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5014 #endif 5015 } 5016 } 5017 5018 /* 5019 * Read the file for "buf" again and check if the contents changed. 5020 * Return TRUE if it changed or this could not be checked. 5021 */ 5022 int 5023 buf_contents_changed(buf) 5024 buf_T *buf; 5025 { 5026 buf_T *newbuf; 5027 int differ = TRUE; 5028 linenr_T lnum; 5029 #ifdef FEAT_AUTOCMD 5030 aco_save_T aco; 5031 #else 5032 buf_T *old_curbuf = curbuf; 5033 #endif 5034 exarg_T ea; 5035 5036 /* Allocate a buffer without putting it in the buffer list. */ 5037 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5038 if (newbuf == NULL) 5039 return TRUE; 5040 5041 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5042 if (prep_exarg(&ea, buf) == FAIL) 5043 { 5044 wipe_buffer(newbuf, FALSE); 5045 return TRUE; 5046 } 5047 5048 #ifdef FEAT_AUTOCMD 5049 /* set curwin/curbuf to buf and save a few things */ 5050 aucmd_prepbuf(&aco, newbuf); 5051 #else 5052 curbuf = newbuf; 5053 curwin->w_buffer = newbuf; 5054 #endif 5055 5056 if (ml_open() == OK 5057 && readfile(buf->b_ffname, buf->b_fname, 5058 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5059 &ea, READ_NEW | READ_DUMMY) == OK) 5060 { 5061 /* compare the two files line by line */ 5062 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5063 { 5064 differ = FALSE; 5065 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5066 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5067 { 5068 differ = TRUE; 5069 break; 5070 } 5071 } 5072 } 5073 vim_free(ea.cmd); 5074 5075 #ifdef FEAT_AUTOCMD 5076 /* restore curwin/curbuf and a few other things */ 5077 aucmd_restbuf(&aco); 5078 #else 5079 curbuf = old_curbuf; 5080 curwin->w_buffer = old_curbuf; 5081 #endif 5082 5083 if (curbuf != newbuf) /* safety check */ 5084 wipe_buffer(newbuf, FALSE); 5085 5086 return differ; 5087 } 5088 5089 /* 5090 * Wipe out a buffer and decrement the last buffer number if it was used for 5091 * this buffer. Call this to wipe out a temp buffer that does not contain any 5092 * marks. 5093 */ 5094 /*ARGSUSED*/ 5095 void 5096 wipe_buffer(buf, aucmd) 5097 buf_T *buf; 5098 int aucmd; /* When TRUE trigger autocommands. */ 5099 { 5100 if (buf->b_fnum == top_file_num - 1) 5101 --top_file_num; 5102 5103 #ifdef FEAT_AUTOCMD 5104 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5105 ++autocmd_block; 5106 #endif 5107 close_buffer(NULL, buf, DOBUF_WIPE); 5108 #ifdef FEAT_AUTOCMD 5109 if (!aucmd) 5110 --autocmd_block; 5111 #endif 5112 } 5113