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 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1266 buflist_altfpos(); /* remember curpos */ 1267 1268 #ifdef FEAT_VISUAL 1269 /* Don't restart Select mode after switching to another buffer. */ 1270 VIsual_reselect = FALSE; 1271 #endif 1272 1273 /* close_windows() or apply_autocmds() may change curbuf */ 1274 prevbuf = curbuf; 1275 1276 #ifdef FEAT_AUTOCMD 1277 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1278 # ifdef FEAT_EVAL 1279 if (buf_valid(prevbuf) && !aborting()) 1280 # else 1281 if (buf_valid(prevbuf)) 1282 # endif 1283 #endif 1284 { 1285 #ifdef FEAT_WINDOWS 1286 if (unload) 1287 close_windows(prevbuf); 1288 #endif 1289 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1290 if (buf_valid(prevbuf) && !aborting()) 1291 #else 1292 if (buf_valid(prevbuf)) 1293 #endif 1294 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1295 unload ? action : (action == DOBUF_GOTO 1296 && !P_HID(prevbuf) 1297 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1298 } 1299 #ifdef FEAT_AUTOCMD 1300 # ifdef FEAT_EVAL 1301 /* An autocommand may have deleted buf or aborted the script processing! */ 1302 if (buf_valid(buf) && !aborting()) 1303 # else 1304 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1305 # endif 1306 #endif 1307 enter_buffer(buf); 1308 } 1309 1310 /* 1311 * Enter a new current buffer. 1312 * Old curbuf must have been abandoned already! 1313 */ 1314 void 1315 enter_buffer(buf) 1316 buf_T *buf; 1317 { 1318 /* Copy buffer and window local option values. Not for a help buffer. */ 1319 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1320 if (!buf->b_help) 1321 get_winopts(buf); 1322 #ifdef FEAT_FOLDING 1323 else 1324 /* Remove all folds in the window. */ 1325 clearFolding(curwin); 1326 foldUpdateAll(curwin); /* update folds (later). */ 1327 #endif 1328 1329 /* Get the buffer in the current window. */ 1330 curwin->w_buffer = buf; 1331 curbuf = buf; 1332 ++curbuf->b_nwindows; 1333 1334 #ifdef FEAT_DIFF 1335 diff_new_buffer(); 1336 #endif 1337 1338 /* Cursor on first line by default. */ 1339 curwin->w_cursor.lnum = 1; 1340 curwin->w_cursor.col = 0; 1341 #ifdef FEAT_VIRTUALEDIT 1342 curwin->w_cursor.coladd = 0; 1343 #endif 1344 curwin->w_set_curswant = TRUE; 1345 1346 /* Make sure the buffer is loaded. */ 1347 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1348 open_buffer(FALSE, NULL); 1349 else 1350 { 1351 need_fileinfo = TRUE; /* display file info after redraw */ 1352 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1353 #ifdef FEAT_AUTOCMD 1354 curwin->w_topline = 1; 1355 # ifdef FEAT_DIFF 1356 curwin->w_topfill = 0; 1357 # endif 1358 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1359 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1360 #endif 1361 } 1362 1363 /* If autocommands did not change the cursor position, restore cursor lnum 1364 * and possibly cursor col. */ 1365 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1366 buflist_getfpos(); 1367 1368 check_arg_idx(curwin); /* check for valid arg_idx */ 1369 #ifdef FEAT_TITLE 1370 maketitle(); 1371 #endif 1372 #ifdef FEAT_AUTOCMD 1373 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1374 #endif 1375 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1376 1377 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1378 /* Change directories when the acd option is set on. */ 1379 if (p_acd && curbuf->b_ffname != NULL 1380 && vim_chdirfile(curbuf->b_ffname) == OK) 1381 shorten_fnames(TRUE); 1382 #endif 1383 1384 #ifdef FEAT_KEYMAP 1385 if (curbuf->b_kmap_state & KEYMAP_INIT) 1386 keymap_init(); 1387 #endif 1388 redraw_later(NOT_VALID); 1389 } 1390 1391 /* 1392 * functions for dealing with the buffer list 1393 */ 1394 1395 /* 1396 * Add a file name to the buffer list. Return a pointer to the buffer. 1397 * If the same file name already exists return a pointer to that buffer. 1398 * If it does not exist, or if fname == NULL, a new entry is created. 1399 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1400 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1401 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1402 * If (flags & BLN_FORCE) is TRUE, don't abort on an error. 1403 * This is the ONLY way to create a new buffer. 1404 */ 1405 static int top_file_num = 1; /* highest file number */ 1406 1407 buf_T * 1408 buflist_new(ffname, sfname, lnum, flags) 1409 char_u *ffname; /* full path of fname or relative */ 1410 char_u *sfname; /* short fname or NULL */ 1411 linenr_T lnum; /* preferred cursor line */ 1412 int flags; /* BLN_ defines */ 1413 { 1414 buf_T *buf; 1415 #ifdef UNIX 1416 struct stat st; 1417 #endif 1418 1419 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1420 1421 /* 1422 * If file name already exists in the list, update the entry. 1423 */ 1424 #ifdef UNIX 1425 /* On Unix we can use inode numbers when the file exists. Works better 1426 * for hard links. */ 1427 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1428 st.st_dev = (dev_T)-1; 1429 #endif 1430 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1431 #ifdef UNIX 1432 buflist_findname_stat(ffname, &st) 1433 #else 1434 buflist_findname(ffname) 1435 #endif 1436 ) != NULL) 1437 { 1438 vim_free(ffname); 1439 if (lnum != 0) 1440 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1441 /* copy the options now, if 'cpo' doesn't have 's' and not done 1442 * already */ 1443 buf_copy_options(buf, 0); 1444 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1445 { 1446 buf->b_p_bl = TRUE; 1447 #ifdef FEAT_AUTOCMD 1448 if (!(flags & BLN_DUMMY)) 1449 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1450 #endif 1451 } 1452 return buf; 1453 } 1454 1455 /* 1456 * If the current buffer has no name and no contents, use the current 1457 * buffer. Otherwise: Need to allocate a new buffer structure. 1458 * 1459 * This is the ONLY place where a new buffer structure is allocated! 1460 */ 1461 buf = NULL; 1462 if ((flags & BLN_CURBUF) 1463 && curbuf != NULL 1464 && curbuf->b_ffname == NULL 1465 && curbuf->b_nwindows <= 1 1466 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1467 { 1468 buf = curbuf; 1469 #ifdef FEAT_AUTOCMD 1470 /* It's like this buffer is deleted. Watch out for autocommands that 1471 * change curbuf! If that happens, allocate a new buffer anyway. */ 1472 if (curbuf->b_p_bl) 1473 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1474 if (buf == curbuf) 1475 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1476 # ifdef FEAT_EVAL 1477 /* autocmds may abort script processing */ 1478 if (!(flags & BLN_FORCE) && aborting()) 1479 return NULL; 1480 # endif 1481 #endif 1482 #ifdef FEAT_QUICKFIX 1483 # ifdef FEAT_AUTOCMD 1484 if (buf == curbuf) 1485 # endif 1486 { 1487 /* Make sure 'bufhidden' and 'buftype' are empty */ 1488 clear_string_option(&buf->b_p_bh); 1489 clear_string_option(&buf->b_p_bt); 1490 } 1491 #endif 1492 } 1493 if (buf != curbuf || curbuf == NULL) 1494 { 1495 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1496 if (buf == NULL) 1497 { 1498 vim_free(ffname); 1499 return NULL; 1500 } 1501 } 1502 1503 if (ffname != NULL) 1504 { 1505 buf->b_ffname = ffname; 1506 buf->b_sfname = vim_strsave(sfname); 1507 } 1508 1509 clear_wininfo(buf); 1510 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1511 1512 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1513 || buf->b_wininfo == NULL) 1514 { 1515 vim_free(buf->b_ffname); 1516 buf->b_ffname = NULL; 1517 vim_free(buf->b_sfname); 1518 buf->b_sfname = NULL; 1519 if (buf != curbuf) 1520 free_buffer(buf); 1521 return NULL; 1522 } 1523 1524 if (buf == curbuf) 1525 { 1526 /* free all things allocated for this buffer */ 1527 buf_freeall(buf, FALSE, FALSE); 1528 if (buf != curbuf) /* autocommands deleted the buffer! */ 1529 return NULL; 1530 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1531 /* autocmds may abort script processing */ 1532 if (!(flags & BLN_FORCE) && aborting()) 1533 return NULL; 1534 #endif 1535 /* buf->b_nwindows = 0; why was this here? */ 1536 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1537 #ifdef FEAT_KEYMAP 1538 /* need to reload lmaps and set b:keymap_name */ 1539 curbuf->b_kmap_state |= KEYMAP_INIT; 1540 #endif 1541 } 1542 else 1543 { 1544 /* 1545 * put new buffer at the end of the buffer list 1546 */ 1547 buf->b_next = NULL; 1548 if (firstbuf == NULL) /* buffer list is empty */ 1549 { 1550 buf->b_prev = NULL; 1551 firstbuf = buf; 1552 } 1553 else /* append new buffer at end of list */ 1554 { 1555 lastbuf->b_next = buf; 1556 buf->b_prev = lastbuf; 1557 } 1558 lastbuf = buf; 1559 1560 buf->b_fnum = top_file_num++; 1561 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1562 { 1563 EMSG(_("W14: Warning: List of file names overflow")); 1564 if (emsg_silent == 0) 1565 { 1566 out_flush(); 1567 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1568 } 1569 top_file_num = 1; 1570 } 1571 1572 /* 1573 * Always copy the options from the current buffer. 1574 */ 1575 buf_copy_options(buf, BCO_ALWAYS); 1576 } 1577 1578 buf->b_wininfo->wi_fpos.lnum = lnum; 1579 buf->b_wininfo->wi_win = curwin; 1580 1581 #ifdef FEAT_EVAL 1582 var_init(&buf->b_vars); /* init internal variables */ 1583 #endif 1584 1585 buf->b_fname = buf->b_sfname; 1586 #ifdef UNIX 1587 if (st.st_dev == (dev_T)-1) 1588 buf->b_dev = -1; 1589 else 1590 { 1591 buf->b_dev = st.st_dev; 1592 buf->b_ino = st.st_ino; 1593 } 1594 #endif 1595 buf->b_u_synced = TRUE; 1596 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1597 buf_clear_file(buf); 1598 clrallmarks(buf); /* clear marks */ 1599 fmarks_check_names(buf); /* check file marks for this file */ 1600 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1601 #ifdef FEAT_AUTOCMD 1602 if (!(flags & BLN_DUMMY)) 1603 { 1604 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1605 if (flags & BLN_LISTED) 1606 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1607 # ifdef FEAT_EVAL 1608 /* autocmds may abort script processing */ 1609 if (!(flags & BLN_FORCE) && aborting()) 1610 return NULL; 1611 # endif 1612 } 1613 #endif 1614 1615 return buf; 1616 } 1617 1618 /* 1619 * Free the memory for the options of a buffer. 1620 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1621 * 'fileencoding'. 1622 */ 1623 void 1624 free_buf_options(buf, free_p_ff) 1625 buf_T *buf; 1626 int free_p_ff; 1627 { 1628 if (free_p_ff) 1629 { 1630 #ifdef FEAT_MBYTE 1631 clear_string_option(&buf->b_p_fenc); 1632 #endif 1633 clear_string_option(&buf->b_p_ff); 1634 #ifdef FEAT_QUICKFIX 1635 clear_string_option(&buf->b_p_bh); 1636 clear_string_option(&buf->b_p_bt); 1637 #endif 1638 } 1639 #ifdef FEAT_FIND_ID 1640 clear_string_option(&buf->b_p_def); 1641 clear_string_option(&buf->b_p_inc); 1642 # ifdef FEAT_EVAL 1643 clear_string_option(&buf->b_p_inex); 1644 # endif 1645 #endif 1646 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1647 clear_string_option(&buf->b_p_inde); 1648 clear_string_option(&buf->b_p_indk); 1649 #endif 1650 #ifdef FEAT_CRYPT 1651 clear_string_option(&buf->b_p_key); 1652 #endif 1653 clear_string_option(&buf->b_p_kp); 1654 clear_string_option(&buf->b_p_mps); 1655 clear_string_option(&buf->b_p_fo); 1656 clear_string_option(&buf->b_p_isk); 1657 #ifdef FEAT_KEYMAP 1658 clear_string_option(&buf->b_p_keymap); 1659 ga_clear(&buf->b_kmap_ga); 1660 #endif 1661 #ifdef FEAT_COMMENTS 1662 clear_string_option(&buf->b_p_com); 1663 #endif 1664 #ifdef FEAT_FOLDING 1665 clear_string_option(&buf->b_p_cms); 1666 #endif 1667 clear_string_option(&buf->b_p_nf); 1668 #ifdef FEAT_SYN_HL 1669 clear_string_option(&buf->b_p_syn); 1670 #endif 1671 #ifdef FEAT_SEARCHPATH 1672 clear_string_option(&buf->b_p_sua); 1673 #endif 1674 #ifdef FEAT_AUTOCMD 1675 clear_string_option(&buf->b_p_ft); 1676 #endif 1677 #ifdef FEAT_OSFILETYPE 1678 clear_string_option(&buf->b_p_oft); 1679 #endif 1680 #ifdef FEAT_CINDENT 1681 clear_string_option(&buf->b_p_cink); 1682 clear_string_option(&buf->b_p_cino); 1683 #endif 1684 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1685 clear_string_option(&buf->b_p_cinw); 1686 #endif 1687 #ifdef FEAT_INS_EXPAND 1688 clear_string_option(&buf->b_p_cpt); 1689 #endif 1690 #ifdef FEAT_COMPL_FUNC 1691 clear_string_option(&buf->b_p_cfu); 1692 #endif 1693 #ifdef FEAT_QUICKFIX 1694 clear_string_option(&buf->b_p_gp); 1695 clear_string_option(&buf->b_p_mp); 1696 clear_string_option(&buf->b_p_efm); 1697 #endif 1698 clear_string_option(&buf->b_p_ep); 1699 clear_string_option(&buf->b_p_path); 1700 clear_string_option(&buf->b_p_tags); 1701 #ifdef FEAT_INS_EXPAND 1702 clear_string_option(&buf->b_p_dict); 1703 clear_string_option(&buf->b_p_tsr); 1704 #endif 1705 #ifdef FEAT_TEXTOBJ 1706 clear_string_option(&buf->b_p_qe); 1707 #endif 1708 buf->b_p_ar = -1; 1709 } 1710 1711 /* 1712 * get alternate file n 1713 * set linenr to lnum or altfpos.lnum if lnum == 0 1714 * also set cursor column to altfpos.col if 'startofline' is not set. 1715 * if (options & GETF_SETMARK) call setpcmark() 1716 * if (options & GETF_ALT) we are jumping to an alternate file. 1717 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1718 * 1719 * return FAIL for failure, OK for success 1720 */ 1721 int 1722 buflist_getfile(n, lnum, options, forceit) 1723 int n; 1724 linenr_T lnum; 1725 int options; 1726 int forceit; 1727 { 1728 buf_T *buf; 1729 #ifdef FEAT_WINDOWS 1730 win_T *wp = NULL; 1731 #endif 1732 pos_T *fpos; 1733 colnr_T col; 1734 1735 buf = buflist_findnr(n); 1736 if (buf == NULL) 1737 { 1738 if ((options & GETF_ALT) && n == 0) 1739 EMSG(_(e_noalt)); 1740 else 1741 EMSGN(_("E92: Buffer %ld not found"), n); 1742 return FAIL; 1743 } 1744 1745 /* if alternate file is the current buffer, nothing to do */ 1746 if (buf == curbuf) 1747 return OK; 1748 1749 #ifdef FEAT_CMDWIN 1750 if (cmdwin_type != 0) 1751 return FAIL; 1752 #endif 1753 1754 /* altfpos may be changed by getfile(), get it now */ 1755 if (lnum == 0) 1756 { 1757 fpos = buflist_findfpos(buf); 1758 lnum = fpos->lnum; 1759 col = fpos->col; 1760 } 1761 else 1762 col = 0; 1763 1764 #ifdef FEAT_WINDOWS 1765 if (options & GETF_SWITCH) 1766 { 1767 /* use existing open window for buffer if wanted */ 1768 if (vim_strchr(p_swb, 'u')) /* useopen */ 1769 wp = buf_jump_open_win(buf); 1770 /* split window if wanted ("split") */ 1771 if (wp == NULL && vim_strchr(p_swb, 't') && !bufempty()) 1772 { 1773 if (win_split(0, 0) == FAIL) 1774 return FAIL; 1775 # ifdef FEAT_SCROLLBIND 1776 curwin->w_p_scb = FALSE; 1777 # endif 1778 } 1779 } 1780 #endif 1781 1782 ++RedrawingDisabled; 1783 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1784 lnum, forceit) <= 0) 1785 { 1786 --RedrawingDisabled; 1787 1788 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1789 if (!p_sol && col != 0) 1790 { 1791 curwin->w_cursor.col = col; 1792 check_cursor_col(); 1793 #ifdef FEAT_VIRTUALEDIT 1794 curwin->w_cursor.coladd = 0; 1795 #endif 1796 curwin->w_set_curswant = TRUE; 1797 } 1798 return OK; 1799 } 1800 --RedrawingDisabled; 1801 return FAIL; 1802 } 1803 1804 /* 1805 * go to the last know line number for the current buffer 1806 */ 1807 void 1808 buflist_getfpos() 1809 { 1810 pos_T *fpos; 1811 1812 fpos = buflist_findfpos(curbuf); 1813 1814 curwin->w_cursor.lnum = fpos->lnum; 1815 check_cursor_lnum(); 1816 1817 if (p_sol) 1818 curwin->w_cursor.col = 0; 1819 else 1820 { 1821 curwin->w_cursor.col = fpos->col; 1822 check_cursor_col(); 1823 #ifdef FEAT_VIRTUALEDIT 1824 curwin->w_cursor.coladd = 0; 1825 #endif 1826 curwin->w_set_curswant = TRUE; 1827 } 1828 } 1829 1830 /* 1831 * Find file in buffer list by name (it has to be for the current window). 1832 * "ffname" must have a full path. 1833 */ 1834 buf_T * 1835 buflist_findname(ffname) 1836 char_u *ffname; 1837 { 1838 #ifdef UNIX 1839 struct stat st; 1840 1841 if (mch_stat((char *)ffname, &st) < 0) 1842 st.st_dev = (dev_T)-1; 1843 return buflist_findname_stat(ffname, &st); 1844 } 1845 1846 /* 1847 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1848 * twice for the same file. 1849 */ 1850 static buf_T * 1851 buflist_findname_stat(ffname, stp) 1852 char_u *ffname; 1853 struct stat *stp; 1854 { 1855 #endif 1856 buf_T *buf; 1857 1858 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1859 if (!otherfile_buf(buf, ffname 1860 #ifdef UNIX 1861 , stp 1862 #endif 1863 )) 1864 return buf; 1865 return NULL; 1866 } 1867 1868 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 1869 /* 1870 * Find file in buffer list by a regexp pattern. 1871 * Return fnum of the found buffer. 1872 * Return < 0 for error. 1873 */ 1874 /*ARGSUSED*/ 1875 int 1876 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 1877 char_u *pattern; 1878 char_u *pattern_end; /* pointer to first char after pattern */ 1879 int unlisted; /* find unlisted buffers */ 1880 int diffmode; /* find diff-mode buffers only */ 1881 { 1882 buf_T *buf; 1883 regprog_T *prog; 1884 int match = -1; 1885 int find_listed; 1886 char_u *pat; 1887 char_u *patend; 1888 int attempt; 1889 char_u *p; 1890 int toggledollar; 1891 1892 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 1893 { 1894 if (*pattern == '%') 1895 match = curbuf->b_fnum; 1896 else 1897 match = curwin->w_alt_fnum; 1898 #ifdef FEAT_DIFF 1899 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 1900 match = -1; 1901 #endif 1902 } 1903 1904 /* 1905 * Try four ways of matching a listed buffer: 1906 * attempt == 0: without '^' or '$' (at any position) 1907 * attempt == 1: with '^' at start (only at postion 0) 1908 * attempt == 2: with '$' at end (only match at end) 1909 * attempt == 3: with '^' at start and '$' at end (only full match) 1910 * Repeat this for finding an unlisted buffer if there was no matching 1911 * listed buffer. 1912 */ 1913 else 1914 { 1915 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 1916 if (pat == NULL) 1917 return -1; 1918 patend = pat + STRLEN(pat) - 1; 1919 toggledollar = (patend > pat && *patend == '$'); 1920 1921 /* First try finding a listed buffer. If not found and "unlisted" 1922 * is TRUE, try finding an unlisted buffer. */ 1923 find_listed = TRUE; 1924 for (;;) 1925 { 1926 for (attempt = 0; attempt <= 3; ++attempt) 1927 { 1928 /* may add '^' and '$' */ 1929 if (toggledollar) 1930 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 1931 p = pat; 1932 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 1933 ++p; 1934 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 1935 if (prog == NULL) 1936 { 1937 vim_free(pat); 1938 return -1; 1939 } 1940 1941 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1942 if (buf->b_p_bl == find_listed 1943 #ifdef FEAT_DIFF 1944 && (!diffmode || diff_mode_buf(buf)) 1945 #endif 1946 && buflist_match(prog, buf) != NULL) 1947 { 1948 if (match >= 0) /* already found a match */ 1949 { 1950 match = -2; 1951 break; 1952 } 1953 match = buf->b_fnum; /* remember first match */ 1954 } 1955 1956 vim_free(prog); 1957 if (match >= 0) /* found one match */ 1958 break; 1959 } 1960 1961 /* Only search for unlisted buffers if there was no match with 1962 * a listed buffer. */ 1963 if (!unlisted || !find_listed || match != -1) 1964 break; 1965 find_listed = FALSE; 1966 } 1967 1968 vim_free(pat); 1969 } 1970 1971 if (match == -2) 1972 EMSG2(_("E93: More than one match for %s"), pattern); 1973 else if (match < 0) 1974 EMSG2(_("E94: No matching buffer for %s"), pattern); 1975 return match; 1976 } 1977 #endif 1978 1979 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 1980 1981 /* 1982 * Find all buffer names that match. 1983 * For command line expansion of ":buf" and ":sbuf". 1984 * Return OK if matches found, FAIL otherwise. 1985 */ 1986 int 1987 ExpandBufnames(pat, num_file, file, options) 1988 char_u *pat; 1989 int *num_file; 1990 char_u ***file; 1991 int options; 1992 { 1993 int count = 0; 1994 buf_T *buf; 1995 int round; 1996 char_u *p; 1997 int attempt; 1998 regprog_T *prog; 1999 2000 *num_file = 0; /* return values in case of FAIL */ 2001 *file = NULL; 2002 2003 /* 2004 * attempt == 1: try match with '^', match at start 2005 * attempt == 2: try match without '^', match anywhere 2006 */ 2007 for (attempt = 1; attempt <= 2; ++attempt) 2008 { 2009 if (attempt == 2) 2010 { 2011 if (*pat != '^') /* there's no '^', no need to try again */ 2012 break; 2013 ++pat; /* skip the '^' */ 2014 } 2015 prog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); 2016 if (prog == NULL) 2017 return FAIL; 2018 2019 /* 2020 * round == 1: Count the matches. 2021 * round == 2: Build the array to keep the matches. 2022 */ 2023 for (round = 1; round <= 2; ++round) 2024 { 2025 count = 0; 2026 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2027 { 2028 if (!buf->b_p_bl) /* skip unlisted buffers */ 2029 continue; 2030 p = buflist_match(prog, buf); 2031 if (p != NULL) 2032 { 2033 if (round == 1) 2034 ++count; 2035 else 2036 { 2037 if (options & WILD_HOME_REPLACE) 2038 p = home_replace_save(buf, p); 2039 else 2040 p = vim_strsave(p); 2041 (*file)[count++] = p; 2042 } 2043 } 2044 } 2045 if (count == 0) /* no match found, break here */ 2046 break; 2047 if (round == 1) 2048 { 2049 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2050 if (*file == NULL) 2051 { 2052 vim_free(prog); 2053 return FAIL; 2054 } 2055 } 2056 } 2057 vim_free(prog); 2058 if (count) /* match(es) found, break here */ 2059 break; 2060 } 2061 2062 *num_file = count; 2063 return (count == 0 ? FAIL : OK); 2064 } 2065 2066 #endif /* FEAT_CMDL_COMPL */ 2067 2068 #ifdef HAVE_BUFLIST_MATCH 2069 /* 2070 * Check for a match on the file name for buffer "buf" with regprog "prog". 2071 */ 2072 static char_u * 2073 buflist_match(prog, buf) 2074 regprog_T *prog; 2075 buf_T *buf; 2076 { 2077 char_u *match; 2078 2079 /* First try the short file name, then the long file name. */ 2080 match = fname_match(prog, buf->b_sfname); 2081 if (match == NULL) 2082 match = fname_match(prog, buf->b_ffname); 2083 2084 return match; 2085 } 2086 2087 /* 2088 * Try matching the regexp in "prog" with file name "name". 2089 * Return "name" when there is a match, NULL when not. 2090 */ 2091 static char_u * 2092 fname_match(prog, name) 2093 regprog_T *prog; 2094 char_u *name; 2095 { 2096 char_u *match = NULL; 2097 char_u *p; 2098 regmatch_T regmatch; 2099 2100 if (name != NULL) 2101 { 2102 regmatch.regprog = prog; 2103 #ifdef CASE_INSENSITIVE_FILENAME 2104 regmatch.rm_ic = TRUE; /* Always ignore case */ 2105 #else 2106 regmatch.rm_ic = FALSE; /* Never ignore case */ 2107 #endif 2108 2109 if (vim_regexec(®match, name, (colnr_T)0)) 2110 match = name; 2111 else 2112 { 2113 /* Replace $(HOME) with '~' and try matching again. */ 2114 p = home_replace_save(NULL, name); 2115 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2116 match = name; 2117 vim_free(p); 2118 } 2119 } 2120 2121 return match; 2122 } 2123 #endif 2124 2125 /* 2126 * find file in buffer list by number 2127 */ 2128 buf_T * 2129 buflist_findnr(nr) 2130 int nr; 2131 { 2132 buf_T *buf; 2133 2134 if (nr == 0) 2135 nr = curwin->w_alt_fnum; 2136 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2137 if (buf->b_fnum == nr) 2138 return (buf); 2139 return NULL; 2140 } 2141 2142 /* 2143 * Get name of file 'n' in the buffer list. 2144 * When the file has no name an empty string is returned. 2145 * home_replace() is used to shorten the file name (used for marks). 2146 * Returns a pointer to allocated memory, of NULL when failed. 2147 */ 2148 char_u * 2149 buflist_nr2name(n, fullname, helptail) 2150 int n; 2151 int fullname; 2152 int helptail; /* for help buffers return tail only */ 2153 { 2154 buf_T *buf; 2155 2156 buf = buflist_findnr(n); 2157 if (buf == NULL) 2158 return NULL; 2159 return home_replace_save(helptail ? buf : NULL, 2160 fullname ? buf->b_ffname : buf->b_fname); 2161 } 2162 2163 /* 2164 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2165 * When "copy_options" is TRUE save the local window option values. 2166 * When "lnum" is 0 only do the options. 2167 */ 2168 static void 2169 buflist_setfpos(buf, win, lnum, col, copy_options) 2170 buf_T *buf; 2171 win_T *win; 2172 linenr_T lnum; 2173 colnr_T col; 2174 int copy_options; 2175 { 2176 wininfo_T *wip; 2177 2178 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2179 if (wip->wi_win == win) 2180 break; 2181 if (wip == NULL) 2182 { 2183 /* allocate a new entry */ 2184 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2185 if (wip == NULL) 2186 return; 2187 wip->wi_win = win; 2188 if (lnum == 0) /* set lnum even when it's 0 */ 2189 lnum = 1; 2190 } 2191 else 2192 { 2193 /* remove the entry from the list */ 2194 if (wip->wi_prev) 2195 wip->wi_prev->wi_next = wip->wi_next; 2196 else 2197 buf->b_wininfo = wip->wi_next; 2198 if (wip->wi_next) 2199 wip->wi_next->wi_prev = wip->wi_prev; 2200 if (copy_options && wip->wi_optset) 2201 { 2202 clear_winopt(&wip->wi_opt); 2203 #ifdef FEAT_FOLDING 2204 deleteFoldRecurse(&wip->wi_folds); 2205 #endif 2206 } 2207 } 2208 if (lnum != 0) 2209 { 2210 wip->wi_fpos.lnum = lnum; 2211 wip->wi_fpos.col = col; 2212 } 2213 if (copy_options) 2214 { 2215 /* Save the window-specific option values. */ 2216 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2217 #ifdef FEAT_FOLDING 2218 wip->wi_fold_manual = win->w_fold_manual; 2219 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2220 #endif 2221 wip->wi_optset = TRUE; 2222 } 2223 2224 /* insert the entry in front of the list */ 2225 wip->wi_next = buf->b_wininfo; 2226 buf->b_wininfo = wip; 2227 wip->wi_prev = NULL; 2228 if (wip->wi_next) 2229 wip->wi_next->wi_prev = wip; 2230 2231 return; 2232 } 2233 2234 /* 2235 * Find info for the current window in buffer "buf". 2236 * If not found, return the info for the most recently used window. 2237 * Returns NULL when there isn't any info. 2238 */ 2239 static wininfo_T * 2240 find_wininfo(buf) 2241 buf_T *buf; 2242 { 2243 wininfo_T *wip; 2244 2245 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2246 if (wip->wi_win == curwin) 2247 break; 2248 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2249 wip = buf->b_wininfo; 2250 return wip; 2251 } 2252 2253 /* 2254 * Reset the local window options to the values last used in this window. 2255 * If the buffer wasn't used in this window before, use the values from 2256 * the most recently used window. If the values were never set, use the 2257 * global values for the window. 2258 */ 2259 void 2260 get_winopts(buf) 2261 buf_T *buf; 2262 { 2263 wininfo_T *wip; 2264 2265 clear_winopt(&curwin->w_onebuf_opt); 2266 #ifdef FEAT_FOLDING 2267 clearFolding(curwin); 2268 #endif 2269 2270 wip = find_wininfo(buf); 2271 if (wip != NULL && wip->wi_optset) 2272 { 2273 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2274 #ifdef FEAT_FOLDING 2275 curwin->w_fold_manual = wip->wi_fold_manual; 2276 curwin->w_foldinvalid = TRUE; 2277 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2278 #endif 2279 } 2280 else 2281 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2282 2283 #ifdef FEAT_FOLDING 2284 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2285 if (p_fdls >= 0) 2286 curwin->w_p_fdl = p_fdls; 2287 #endif 2288 } 2289 2290 /* 2291 * Find the position (lnum and col) for the buffer 'buf' for the current 2292 * window. 2293 * Returns a pointer to no_position if no position is found. 2294 */ 2295 pos_T * 2296 buflist_findfpos(buf) 2297 buf_T *buf; 2298 { 2299 wininfo_T *wip; 2300 static pos_T no_position = {1, 0}; 2301 2302 wip = find_wininfo(buf); 2303 if (wip != NULL) 2304 return &(wip->wi_fpos); 2305 else 2306 return &no_position; 2307 } 2308 2309 /* 2310 * Find the lnum for the buffer 'buf' for the current window. 2311 */ 2312 linenr_T 2313 buflist_findlnum(buf) 2314 buf_T *buf; 2315 { 2316 return buflist_findfpos(buf)->lnum; 2317 } 2318 2319 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2320 /* 2321 * List all know file names (for :files and :buffers command). 2322 */ 2323 /*ARGSUSED*/ 2324 void 2325 buflist_list(eap) 2326 exarg_T *eap; 2327 { 2328 buf_T *buf; 2329 int len; 2330 int i; 2331 2332 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2333 { 2334 /* skip unlisted buffers, unless ! was used */ 2335 if (!buf->b_p_bl && !eap->forceit) 2336 continue; 2337 msg_putchar('\n'); 2338 if (buf_spname(buf) != NULL) 2339 STRCPY(NameBuff, buf_spname(buf)); 2340 else 2341 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2342 2343 sprintf((char *)IObuff, "%3d%c%c%c%c%c \"", 2344 buf->b_fnum, 2345 buf->b_p_bl ? ' ' : 'u', 2346 buf == curbuf ? '%' : 2347 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2348 buf->b_ml.ml_mfp == NULL ? ' ' : 2349 (buf->b_nwindows == 0 ? 'h' : 'a'), 2350 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2351 (buf->b_flags & BF_READERR) ? 'x' 2352 : (bufIsChanged(buf) ? '+' : ' ') 2353 ); 2354 2355 len = (int)STRLEN(IObuff); 2356 STRNCPY(IObuff + len, NameBuff, IOSIZE - 20 - len); 2357 IObuff[IOSIZE - 20 - len] = NUL; /* make sure it's terminated */ 2358 2359 len = (int)STRLEN(IObuff); 2360 IObuff[len++] = '"'; 2361 2362 /* put "line 999" in column 40 or after the file name */ 2363 IObuff[len] = NUL; 2364 i = 40 - vim_strsize(IObuff); 2365 do 2366 { 2367 IObuff[len++] = ' '; 2368 } while (--i > 0 && len < IOSIZE - 18); 2369 sprintf((char *)IObuff + len, _("line %ld"), 2370 buf == curbuf ? curwin->w_cursor.lnum : 2371 (long)buflist_findlnum(buf)); 2372 msg_outtrans(IObuff); 2373 out_flush(); /* output one line at a time */ 2374 ui_breakcheck(); 2375 } 2376 } 2377 #endif 2378 2379 /* 2380 * Get file name and line number for file 'fnum'. 2381 * Used by DoOneCmd() for translating '%' and '#'. 2382 * Used by insert_reg() and cmdline_paste() for '#' register. 2383 * Return FAIL if not found, OK for success. 2384 */ 2385 int 2386 buflist_name_nr(fnum, fname, lnum) 2387 int fnum; 2388 char_u **fname; 2389 linenr_T *lnum; 2390 { 2391 buf_T *buf; 2392 2393 buf = buflist_findnr(fnum); 2394 if (buf == NULL || buf->b_fname == NULL) 2395 return FAIL; 2396 2397 *fname = buf->b_fname; 2398 *lnum = buflist_findlnum(buf); 2399 2400 return OK; 2401 } 2402 2403 /* 2404 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2405 * The file name with the full path is also remembered, for when :cd is used. 2406 * Returns FAIL for failure (file name already in use by other buffer) 2407 * OK otherwise. 2408 */ 2409 int 2410 setfname(buf, ffname, sfname, message) 2411 buf_T *buf; 2412 char_u *ffname, *sfname; 2413 int message; 2414 { 2415 buf_T *obuf; 2416 #ifdef UNIX 2417 struct stat st; 2418 #endif 2419 2420 if (ffname == NULL || *ffname == NUL) 2421 { 2422 /* Removing the name. */ 2423 vim_free(buf->b_ffname); 2424 vim_free(buf->b_sfname); 2425 buf->b_ffname = NULL; 2426 buf->b_sfname = NULL; 2427 #ifdef UNIX 2428 st.st_dev = (dev_T)-1; 2429 #endif 2430 } 2431 else 2432 { 2433 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2434 if (ffname == NULL) /* out of memory */ 2435 return FAIL; 2436 2437 /* 2438 * if the file name is already used in another buffer: 2439 * - if the buffer is loaded, fail 2440 * - if the buffer is not loaded, delete it from the list 2441 */ 2442 #ifdef UNIX 2443 if (mch_stat((char *)ffname, &st) < 0) 2444 st.st_dev = (dev_T)-1; 2445 obuf = buflist_findname_stat(ffname, &st); 2446 #else 2447 obuf = buflist_findname(ffname); 2448 #endif 2449 if (obuf != NULL && obuf != buf) 2450 { 2451 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2452 { 2453 if (message) 2454 EMSG(_("E95: Buffer with this name already exists")); 2455 vim_free(ffname); 2456 return FAIL; 2457 } 2458 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2459 } 2460 sfname = vim_strsave(sfname); 2461 if (ffname == NULL || sfname == NULL) 2462 { 2463 vim_free(sfname); 2464 vim_free(ffname); 2465 return FAIL; 2466 } 2467 #ifdef USE_FNAME_CASE 2468 # ifdef USE_LONG_FNAME 2469 if (USE_LONG_FNAME) 2470 # endif 2471 fname_case(sfname, 0); /* set correct case for short file name */ 2472 #endif 2473 vim_free(buf->b_ffname); 2474 vim_free(buf->b_sfname); 2475 buf->b_ffname = ffname; 2476 buf->b_sfname = sfname; 2477 } 2478 buf->b_fname = buf->b_sfname; 2479 #ifdef UNIX 2480 if (st.st_dev == (dev_T)-1) 2481 buf->b_dev = -1; 2482 else 2483 { 2484 buf->b_dev = st.st_dev; 2485 buf->b_ino = st.st_ino; 2486 } 2487 #endif 2488 2489 #ifndef SHORT_FNAME 2490 buf->b_shortname = FALSE; 2491 #endif 2492 2493 buf_name_changed(buf); 2494 return OK; 2495 } 2496 2497 /* 2498 * Take care of what needs to be done when the name of buffer "buf" has 2499 * changed. 2500 */ 2501 void 2502 buf_name_changed(buf) 2503 buf_T *buf; 2504 { 2505 /* 2506 * If the file name changed, also change the name of the swapfile 2507 */ 2508 if (buf->b_ml.ml_mfp != NULL) 2509 ml_setname(buf); 2510 2511 if (curwin->w_buffer == buf) 2512 check_arg_idx(curwin); /* check file name for arg list */ 2513 #ifdef FEAT_TITLE 2514 maketitle(); /* set window title */ 2515 #endif 2516 #ifdef FEAT_WINDOWS 2517 status_redraw_all(); /* status lines need to be redrawn */ 2518 #endif 2519 fmarks_check_names(buf); /* check named file marks */ 2520 ml_timestamp(buf); /* reset timestamp */ 2521 } 2522 2523 /* 2524 * set alternate file name for current window 2525 * 2526 * Used by do_one_cmd(), do_write() and do_ecmd(). 2527 * Return the buffer. 2528 */ 2529 buf_T * 2530 setaltfname(ffname, sfname, lnum) 2531 char_u *ffname; 2532 char_u *sfname; 2533 linenr_T lnum; 2534 { 2535 buf_T *buf; 2536 2537 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2538 buf = buflist_new(ffname, sfname, lnum, 0); 2539 if (buf != NULL) 2540 curwin->w_alt_fnum = buf->b_fnum; 2541 return buf; 2542 } 2543 2544 /* 2545 * Get alternate file name for current window. 2546 * Return NULL if there isn't any, and give error message if requested. 2547 */ 2548 char_u * 2549 getaltfname(errmsg) 2550 int errmsg; /* give error message */ 2551 { 2552 char_u *fname; 2553 linenr_T dummy; 2554 2555 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2556 { 2557 if (errmsg) 2558 EMSG(_(e_noalt)); 2559 return NULL; 2560 } 2561 return fname; 2562 } 2563 2564 /* 2565 * Add a file name to the buflist and return its number. 2566 * Uses same flags as buflist_new(), except BLN_DUMMY. 2567 * 2568 * used by qf_init(), main() and doarglist() 2569 */ 2570 int 2571 buflist_add(fname, flags) 2572 char_u *fname; 2573 int flags; 2574 { 2575 buf_T *buf; 2576 2577 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2578 if (buf != NULL) 2579 return buf->b_fnum; 2580 return 0; 2581 } 2582 2583 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2584 /* 2585 * Adjust slashes in file names. Called after 'shellslash' was set. 2586 */ 2587 void 2588 buflist_slash_adjust() 2589 { 2590 buf_T *bp; 2591 2592 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2593 { 2594 if (bp->b_ffname != NULL) 2595 slash_adjust(bp->b_ffname); 2596 if (bp->b_sfname != NULL) 2597 slash_adjust(bp->b_sfname); 2598 } 2599 } 2600 #endif 2601 2602 /* 2603 * Set alternate cursor position for current window. 2604 * Also save the local window option values. 2605 */ 2606 void 2607 buflist_altfpos() 2608 { 2609 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2610 curwin->w_cursor.col, TRUE); 2611 } 2612 2613 /* 2614 * Return TRUE if 'ffname' is not the same file as current file. 2615 * Fname must have a full path (expanded by mch_FullName()). 2616 */ 2617 int 2618 otherfile(ffname) 2619 char_u *ffname; 2620 { 2621 return otherfile_buf(curbuf, ffname 2622 #ifdef UNIX 2623 , NULL 2624 #endif 2625 ); 2626 } 2627 2628 static int 2629 otherfile_buf(buf, ffname 2630 #ifdef UNIX 2631 , stp 2632 #endif 2633 ) 2634 buf_T *buf; 2635 char_u *ffname; 2636 #ifdef UNIX 2637 struct stat *stp; 2638 #endif 2639 { 2640 /* no name is different */ 2641 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2642 return TRUE; 2643 if (fnamecmp(ffname, buf->b_ffname) == 0) 2644 return FALSE; 2645 #ifdef UNIX 2646 { 2647 struct stat st; 2648 2649 /* If no struct stat given, get it now */ 2650 if (stp == NULL) 2651 { 2652 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2653 st.st_dev = (dev_T)-1; 2654 stp = &st; 2655 } 2656 /* Use dev/ino to check if the files are the same, even when the names 2657 * are different (possible with links). Still need to compare the 2658 * name above, for when the file doesn't exist yet. 2659 * Problem: The dev/ino changes when a file is deleted (and created 2660 * again) and remains the same when renamed/moved. We don't want to 2661 * mch_stat() each buffer each time, that would be too slow. Get the 2662 * dev/ino again when they appear to match, but not when they appear 2663 * to be different: Could skip a buffer when it's actually the same 2664 * file. */ 2665 if (buf_same_ino(buf, stp)) 2666 { 2667 buf_setino(buf); 2668 if (buf_same_ino(buf, stp)) 2669 return FALSE; 2670 } 2671 } 2672 #endif 2673 return TRUE; 2674 } 2675 2676 #if defined(UNIX) || defined(PROTO) 2677 /* 2678 * Set inode and device number for a buffer. 2679 * Must always be called when b_fname is changed!. 2680 */ 2681 void 2682 buf_setino(buf) 2683 buf_T *buf; 2684 { 2685 struct stat st; 2686 2687 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2688 { 2689 buf->b_dev = st.st_dev; 2690 buf->b_ino = st.st_ino; 2691 } 2692 else 2693 buf->b_dev = -1; 2694 } 2695 2696 /* 2697 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2698 */ 2699 static int 2700 buf_same_ino(buf, stp) 2701 buf_T *buf; 2702 struct stat *stp; 2703 { 2704 return (buf->b_dev >= 0 2705 && stp->st_dev == buf->b_dev 2706 && stp->st_ino == buf->b_ino); 2707 } 2708 #endif 2709 2710 void 2711 fileinfo(fullname, shorthelp, dont_truncate) 2712 int fullname; 2713 int shorthelp; 2714 int dont_truncate; 2715 { 2716 char_u *name; 2717 int n; 2718 char_u *p; 2719 char_u *buffer; 2720 2721 buffer = alloc(IOSIZE); 2722 if (buffer == NULL) 2723 return; 2724 2725 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2726 { 2727 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2728 p = buffer + STRLEN(buffer); 2729 } 2730 else 2731 p = buffer; 2732 2733 *p++ = '"'; 2734 if (buf_spname(curbuf) != NULL) 2735 STRCPY(p, buf_spname(curbuf)); 2736 else 2737 { 2738 if (!fullname && curbuf->b_fname != NULL) 2739 name = curbuf->b_fname; 2740 else 2741 name = curbuf->b_ffname; 2742 home_replace(shorthelp ? curbuf : NULL, name, p, 2743 (int)(IOSIZE - (p - buffer)), TRUE); 2744 } 2745 2746 sprintf((char *)buffer + STRLEN(buffer), 2747 "\"%s%s%s%s%s%s", 2748 curbufIsChanged() ? (shortmess(SHM_MOD) 2749 ? " [+]" : _(" [Modified]")) : " ", 2750 (curbuf->b_flags & BF_NOTEDITED) 2751 #ifdef FEAT_QUICKFIX 2752 && !bt_dontwrite(curbuf) 2753 #endif 2754 ? _("[Not edited]") : "", 2755 (curbuf->b_flags & BF_NEW) 2756 #ifdef FEAT_QUICKFIX 2757 && !bt_dontwrite(curbuf) 2758 #endif 2759 ? _("[New file]") : "", 2760 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2761 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2762 : _("[readonly]")) : "", 2763 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2764 || curbuf->b_p_ro) ? 2765 " " : ""); 2766 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2767 * causes an overflow, thus for large numbers divide instead. */ 2768 if (curwin->w_cursor.lnum > 1000000L) 2769 n = (int)(((long)curwin->w_cursor.lnum) / 2770 ((long)curbuf->b_ml.ml_line_count / 100L)); 2771 else 2772 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2773 (long)curbuf->b_ml.ml_line_count); 2774 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2775 { 2776 STRCPY(buffer + STRLEN(buffer), _(no_lines_msg)); 2777 } 2778 #ifdef FEAT_CMDL_INFO 2779 else if (p_ru) 2780 { 2781 /* Current line and column are already on the screen -- webb */ 2782 if (curbuf->b_ml.ml_line_count == 1) 2783 sprintf((char *)buffer + STRLEN(buffer), _("1 line --%d%%--"), n); 2784 else 2785 sprintf((char *)buffer + STRLEN(buffer), _("%ld lines --%d%%--"), 2786 (long)curbuf->b_ml.ml_line_count, n); 2787 } 2788 #endif 2789 else 2790 { 2791 sprintf((char *)buffer + STRLEN(buffer), 2792 _("line %ld of %ld --%d%%-- col "), 2793 (long)curwin->w_cursor.lnum, 2794 (long)curbuf->b_ml.ml_line_count, 2795 n); 2796 validate_virtcol(); 2797 col_print(buffer + STRLEN(buffer), 2798 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2799 } 2800 2801 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2802 2803 if (dont_truncate) 2804 { 2805 /* Temporarily set msg_scroll to avoid the message being truncated. 2806 * First call msg_start() to get the message in the right place. */ 2807 msg_start(); 2808 n = msg_scroll; 2809 msg_scroll = TRUE; 2810 msg(buffer); 2811 msg_scroll = n; 2812 } 2813 else 2814 { 2815 p = msg_trunc_attr(buffer, FALSE, 0); 2816 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2817 { 2818 /* Need to repeat the message after redrawing when: 2819 * - When restart_edit is set (otherwise there will be a delay 2820 * before redrawing). 2821 * - When the screen was scrolled but there is no wait-return 2822 * prompt. */ 2823 set_keep_msg(p); 2824 keep_msg_attr = 0; 2825 } 2826 } 2827 2828 vim_free(buffer); 2829 } 2830 2831 void 2832 col_print(buf, col, vcol) 2833 char_u *buf; 2834 int col; 2835 int vcol; 2836 { 2837 if (col == vcol) 2838 sprintf((char *)buf, "%d", col); 2839 else 2840 sprintf((char *)buf, "%d-%d", col, vcol); 2841 } 2842 2843 #if defined(FEAT_TITLE) || defined(PROTO) 2844 /* 2845 * put file name in title bar of window and in icon title 2846 */ 2847 2848 static char_u *lasttitle = NULL; 2849 static char_u *lasticon = NULL; 2850 2851 void 2852 maketitle() 2853 { 2854 char_u *p; 2855 char_u *t_str = NULL; 2856 char_u *i_name; 2857 char_u *i_str = NULL; 2858 int maxlen = 0; 2859 int len; 2860 int mustset; 2861 char_u buf[IOSIZE]; 2862 int off; 2863 2864 if (!redrawing()) 2865 { 2866 /* Postpone updating the title when 'lazyredraw' is set. */ 2867 need_maketitle = TRUE; 2868 return; 2869 } 2870 2871 need_maketitle = FALSE; 2872 if (!p_title && !p_icon) 2873 return; 2874 2875 if (p_title) 2876 { 2877 if (p_titlelen > 0) 2878 { 2879 maxlen = p_titlelen * Columns / 100; 2880 if (maxlen < 10) 2881 maxlen = 10; 2882 } 2883 2884 t_str = buf; 2885 if (*p_titlestring != NUL) 2886 { 2887 #ifdef FEAT_STL_OPT 2888 if (stl_syntax & STL_IN_TITLE) 2889 build_stl_str_hl(curwin, t_str, sizeof(buf), 2890 p_titlestring, 0, maxlen, NULL); 2891 else 2892 #endif 2893 t_str = p_titlestring; 2894 } 2895 else 2896 { 2897 /* format: "fname + (path) (1 of 2) - VIM" */ 2898 2899 if (curbuf->b_fname == NULL) 2900 STRCPY(buf, _("[No file]")); 2901 else 2902 { 2903 p = transstr(gettail(curbuf->b_fname)); 2904 STRNCPY(buf, p, IOSIZE - 100); 2905 vim_free(p); 2906 buf[IOSIZE - 100] = NUL; /* in case it was too long */ 2907 } 2908 2909 switch (bufIsChanged(curbuf) 2910 + (curbuf->b_p_ro * 2) 2911 + (!curbuf->b_p_ma * 4)) 2912 { 2913 case 1: STRCAT(buf, " +"); break; 2914 case 2: STRCAT(buf, " ="); break; 2915 case 3: STRCAT(buf, " =+"); break; 2916 case 4: 2917 case 6: STRCAT(buf, " -"); break; 2918 case 5: 2919 case 7: STRCAT(buf, " -+"); break; 2920 } 2921 2922 if (curbuf->b_fname != NULL) 2923 { 2924 /* Get path of file, replace home dir with ~ */ 2925 off = (int)STRLEN(buf); 2926 buf[off++] = ' '; 2927 buf[off++] = '('; 2928 home_replace(curbuf, curbuf->b_ffname, 2929 buf + off, IOSIZE - off, TRUE); 2930 #ifdef BACKSLASH_IN_FILENAME 2931 /* avoid "c:/name" to be reduced to "c" */ 2932 if (isalpha(buf[off]) && buf[off + 1] == ':') 2933 off += 2; 2934 #endif 2935 /* remove the file name */ 2936 p = gettail(buf + off); 2937 if (p == buf + off) 2938 { 2939 /* must be a help buffer */ 2940 STRCPY(buf + off, _("help")); 2941 } 2942 else 2943 { 2944 while (p > buf + off + 1 && vim_ispathsep(p[-1])) 2945 --p; 2946 #ifdef VMS 2947 /* path separator is part of the path */ 2948 ++p; 2949 #endif 2950 *p = NUL; 2951 } 2952 /* translate unprintable chars */ 2953 p = transstr(buf + off); 2954 STRNCPY(buf + off, p, IOSIZE - off); 2955 vim_free(p); 2956 buf[IOSIZE - 1] = NUL; /* in case it was too long */ 2957 STRCAT(buf, ")"); 2958 } 2959 2960 append_arg_number(curwin, buf, FALSE, IOSIZE); 2961 2962 #if defined(FEAT_CLIENTSERVER) 2963 if (serverName != NULL) 2964 { 2965 STRCAT(buf, " - "); 2966 STRCAT(buf, serverName); 2967 } 2968 else 2969 #endif 2970 STRCAT(buf, " - VIM"); 2971 2972 if (maxlen > 0) 2973 { 2974 /* make it shorter by removing a bit in the middle */ 2975 len = vim_strsize(buf); 2976 if (len > maxlen) 2977 trunc_string(buf, buf, maxlen); 2978 } 2979 } 2980 } 2981 mustset = ti_change(t_str, &lasttitle); 2982 2983 if (p_icon) 2984 { 2985 i_str = buf; 2986 if (*p_iconstring != NUL) 2987 { 2988 #ifdef FEAT_STL_OPT 2989 if (stl_syntax & STL_IN_ICON) 2990 build_stl_str_hl(curwin, i_str, sizeof(buf), 2991 p_iconstring, 0, 0, NULL); 2992 else 2993 #endif 2994 i_str = p_iconstring; 2995 } 2996 else 2997 { 2998 if (buf_spname(curbuf) != NULL) 2999 i_name = (char_u *)buf_spname(curbuf); 3000 else /* use file name only in icon */ 3001 i_name = gettail(curbuf->b_ffname); 3002 *i_str = NUL; 3003 /* Truncate name at 100 bytes. */ 3004 len = STRLEN(i_name); 3005 if (len > 100) 3006 { 3007 len -= 100; 3008 #ifdef FEAT_MBYTE 3009 if (has_mbyte) 3010 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3011 #endif 3012 i_name += len; 3013 } 3014 STRCPY(i_str, i_name); 3015 trans_characters(i_str, IOSIZE); 3016 } 3017 } 3018 3019 mustset |= ti_change(i_str, &lasticon); 3020 3021 if (mustset) 3022 resettitle(); 3023 } 3024 3025 /* 3026 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3027 * from "str" if it does. 3028 * Return TRUE when "*last" changed. 3029 */ 3030 static int 3031 ti_change(str, last) 3032 char_u *str; 3033 char_u **last; 3034 { 3035 if ((str == NULL) != (*last == NULL) 3036 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3037 { 3038 vim_free(*last); 3039 if (str == NULL) 3040 *last = NULL; 3041 else 3042 *last = vim_strsave(str); 3043 return TRUE; 3044 } 3045 return FALSE; 3046 } 3047 3048 /* 3049 * Put current window title back (used after calling a shell) 3050 */ 3051 void 3052 resettitle() 3053 { 3054 mch_settitle(lasttitle, lasticon); 3055 } 3056 #endif /* FEAT_TITLE */ 3057 3058 #if defined(FEAT_STL_OPT) || defined(PROTO) 3059 /* 3060 * Build a string from the status line items in fmt. 3061 * Return length of string in screen cells. 3062 * 3063 * Items are drawn interspersed with the text that surrounds it 3064 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3065 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3066 * 3067 * If maxwidth is not zero, the string will be filled at any middle marker 3068 * or truncated if too long, fillchar is used for all whitespace. 3069 */ 3070 int 3071 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3072 win_T *wp; 3073 char_u *out; /* buffer to write into */ 3074 size_t outlen; /* length of out[] */ 3075 char_u *fmt; 3076 int fillchar; 3077 int maxwidth; 3078 struct stl_hlrec *hl; 3079 { 3080 char_u *p; 3081 char_u *s; 3082 char_u *t; 3083 char_u *linecont; 3084 #ifdef FEAT_EVAL 3085 win_T *o_curwin; 3086 buf_T *o_curbuf; 3087 #endif 3088 int empty_line; 3089 colnr_T virtcol; 3090 long l; 3091 long n; 3092 int prevchar_isflag; 3093 int prevchar_isitem; 3094 int itemisflag; 3095 int fillable; 3096 char_u *str; 3097 long num; 3098 int width; 3099 int itemcnt; 3100 int curitem; 3101 int groupitem[STL_MAX_ITEM]; 3102 int groupdepth; 3103 struct stl_item 3104 { 3105 char_u *start; 3106 int minwid; 3107 int maxwid; 3108 enum 3109 { 3110 Normal, 3111 Empty, 3112 Group, 3113 Middle, 3114 Highlight, 3115 Trunc 3116 } type; 3117 } item[STL_MAX_ITEM]; 3118 int minwid; 3119 int maxwid; 3120 int zeropad; 3121 char_u base; 3122 char_u opt; 3123 #define TMPLEN 70 3124 char_u tmp[TMPLEN]; 3125 3126 if (fillchar == 0) 3127 fillchar = ' '; 3128 /* 3129 * Get line & check if empty (cursorpos will show "0-1"). 3130 * If inversion is possible we use it. Else '=' characters are used. 3131 */ 3132 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3133 empty_line = (*linecont == NUL); 3134 3135 groupdepth = 0; 3136 p = out; 3137 curitem = 0; 3138 prevchar_isflag = TRUE; 3139 prevchar_isitem = FALSE; 3140 for (s = fmt; *s;) 3141 { 3142 if (*s != NUL && *s != '%') 3143 prevchar_isflag = prevchar_isitem = FALSE; 3144 3145 /* 3146 * Handle up to the next '%' or the end. 3147 */ 3148 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3149 *p++ = *s++; 3150 if (*s == NUL || p + 1 >= out + outlen) 3151 break; 3152 3153 /* 3154 * Handle one '%' item. 3155 */ 3156 s++; 3157 if (*s == '%') 3158 { 3159 if (p + 1 >= out + outlen) 3160 break; 3161 *p++ = *s++; 3162 prevchar_isflag = prevchar_isitem = FALSE; 3163 continue; 3164 } 3165 if (*s == STL_MIDDLEMARK) 3166 { 3167 s++; 3168 if (groupdepth > 0) 3169 continue; 3170 item[curitem].type = Middle; 3171 item[curitem++].start = p; 3172 continue; 3173 } 3174 if (*s == STL_TRUNCMARK) 3175 { 3176 s++; 3177 item[curitem].type = Trunc; 3178 item[curitem++].start = p; 3179 continue; 3180 } 3181 if (*s == ')') 3182 { 3183 s++; 3184 if (groupdepth < 1) 3185 continue; 3186 groupdepth--; 3187 3188 t = item[groupitem[groupdepth]].start; 3189 *p = NUL; 3190 l = vim_strsize(t); 3191 if (curitem > groupitem[groupdepth] + 1 3192 && item[groupitem[groupdepth]].minwid == 0) 3193 { 3194 /* remove group if all items are empty */ 3195 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3196 if (item[n].type == Normal) 3197 break; 3198 if (n == curitem) 3199 { 3200 p = t; 3201 l = 0; 3202 } 3203 } 3204 if (l > item[groupitem[groupdepth]].maxwid) 3205 { 3206 /* truncate, remove n bytes of text at the start */ 3207 #ifdef FEAT_MBYTE 3208 if (has_mbyte) 3209 { 3210 /* Find the first character that should be included. */ 3211 n = 0; 3212 while (l >= item[groupitem[groupdepth]].maxwid) 3213 { 3214 l -= ptr2cells(t + n); 3215 n += (*mb_ptr2len_check)(t + n); 3216 } 3217 } 3218 else 3219 #endif 3220 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3221 3222 *t = '<'; 3223 mch_memmove(t + 1, t + n, p - (t + n)); 3224 p = p - n + 1; 3225 #ifdef FEAT_MBYTE 3226 /* Fill up space left over by half a double-wide char. */ 3227 while (++l < item[groupitem[groupdepth]].minwid) 3228 *p++ = fillchar; 3229 #endif 3230 3231 /* correct the start of the items for the truncation */ 3232 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3233 { 3234 item[l].start -= n; 3235 if (item[l].start < t) 3236 item[l].start = t; 3237 } 3238 } 3239 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3240 { 3241 /* fill */ 3242 n = item[groupitem[groupdepth]].minwid; 3243 if (n < 0) 3244 { 3245 /* fill by appending characters */ 3246 n = 0 - n; 3247 while (l++ < n && p + 1 < out + outlen) 3248 *p++ = fillchar; 3249 } 3250 else 3251 { 3252 /* fill by inserting characters */ 3253 mch_memmove(t + n - l, t, p - t); 3254 l = n - l; 3255 if (p + l >= out + outlen) 3256 l = (out + outlen) - p - 1; 3257 p += l; 3258 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3259 item[n].start += l; 3260 for ( ; l > 0; l--) 3261 *t++ = fillchar; 3262 } 3263 } 3264 continue; 3265 } 3266 minwid = 0; 3267 maxwid = 9999; 3268 zeropad = FALSE; 3269 l = 1; 3270 if (*s == '0') 3271 { 3272 s++; 3273 zeropad = TRUE; 3274 } 3275 if (*s == '-') 3276 { 3277 s++; 3278 l = -1; 3279 } 3280 if (VIM_ISDIGIT(*s)) 3281 { 3282 minwid = (int)getdigits(&s); 3283 if (minwid < 0) /* overflow */ 3284 minwid = 0; 3285 } 3286 if (*s == STL_HIGHLIGHT) 3287 { 3288 item[curitem].type = Highlight; 3289 item[curitem].start = p; 3290 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3291 s++; 3292 curitem++; 3293 continue; 3294 } 3295 if (*s == '.') 3296 { 3297 s++; 3298 if (VIM_ISDIGIT(*s)) 3299 { 3300 maxwid = (int)getdigits(&s); 3301 if (maxwid <= 0) /* overflow */ 3302 maxwid = 50; 3303 } 3304 } 3305 minwid = (minwid > 50 ? 50 : minwid) * l; 3306 if (*s == '(') 3307 { 3308 groupitem[groupdepth++] = curitem; 3309 item[curitem].type = Group; 3310 item[curitem].start = p; 3311 item[curitem].minwid = minwid; 3312 item[curitem].maxwid = maxwid; 3313 s++; 3314 curitem++; 3315 continue; 3316 } 3317 if (vim_strchr(STL_ALL, *s) == NULL) 3318 { 3319 s++; 3320 continue; 3321 } 3322 opt = *s++; 3323 3324 /* OK - now for the real work */ 3325 base = 'D'; 3326 itemisflag = FALSE; 3327 fillable = TRUE; 3328 num = -1; 3329 str = NULL; 3330 switch (opt) 3331 { 3332 case STL_FILEPATH: 3333 case STL_FULLPATH: 3334 case STL_FILENAME: 3335 fillable = FALSE; /* don't change ' ' to fillchar */ 3336 if (buf_spname(wp->w_buffer) != NULL) 3337 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3338 else 3339 { 3340 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3341 : wp->w_buffer->b_fname; 3342 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3343 } 3344 trans_characters(NameBuff, MAXPATHL); 3345 if (opt != STL_FILENAME) 3346 str = NameBuff; 3347 else 3348 str = gettail(NameBuff); 3349 break; 3350 3351 case STL_VIM_EXPR: /* '{' */ 3352 itemisflag = TRUE; 3353 t = p; 3354 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3355 *p++ = *s++; 3356 if (*s != '}') /* missing '}' or out of space */ 3357 break; 3358 s++; 3359 *p = 0; 3360 p = t; 3361 3362 #ifdef FEAT_EVAL 3363 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3364 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3365 3366 o_curbuf = curbuf; 3367 o_curwin = curwin; 3368 curwin = wp; 3369 curbuf = wp->w_buffer; 3370 3371 str = eval_to_string_safe(p, &t); 3372 3373 curwin = o_curwin; 3374 curbuf = o_curbuf; 3375 do_unlet((char_u *)"g:actual_curbuf"); 3376 3377 if (str != NULL && *str != 0) 3378 { 3379 if (*skipdigits(str) == NUL) 3380 { 3381 num = atoi((char *)str); 3382 vim_free(str); 3383 str = NULL; 3384 itemisflag = FALSE; 3385 } 3386 } 3387 #endif 3388 break; 3389 3390 case STL_LINE: 3391 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3392 ? 0L : (long)(wp->w_cursor.lnum); 3393 break; 3394 3395 case STL_NUMLINES: 3396 num = wp->w_buffer->b_ml.ml_line_count; 3397 break; 3398 3399 case STL_COLUMN: 3400 num = !(State & INSERT) && empty_line 3401 ? 0 : (int)wp->w_cursor.col + 1; 3402 break; 3403 3404 case STL_VIRTCOL: 3405 case STL_VIRTCOL_ALT: 3406 /* In list mode virtcol needs to be recomputed */ 3407 virtcol = wp->w_virtcol; 3408 if (wp->w_p_list && lcs_tab1 == NUL) 3409 { 3410 wp->w_p_list = FALSE; 3411 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3412 wp->w_p_list = TRUE; 3413 } 3414 ++virtcol; 3415 /* Don't display %V if it's the same as %c. */ 3416 if (opt == STL_VIRTCOL_ALT 3417 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3418 ? 0 : (int)wp->w_cursor.col + 1))) 3419 break; 3420 num = (long)virtcol; 3421 break; 3422 3423 case STL_PERCENTAGE: 3424 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3425 (long)wp->w_buffer->b_ml.ml_line_count); 3426 break; 3427 3428 case STL_ALTPERCENT: 3429 str = tmp; 3430 get_rel_pos(wp, str); 3431 break; 3432 3433 case STL_ARGLISTSTAT: 3434 fillable = FALSE; 3435 tmp[0] = 0; 3436 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3437 str = tmp; 3438 break; 3439 3440 case STL_KEYMAP: 3441 fillable = FALSE; 3442 if (get_keymap_str(wp, tmp, TMPLEN)) 3443 str = tmp; 3444 break; 3445 case STL_PAGENUM: 3446 #ifdef FEAT_PRINTER 3447 num = get_printer_page_num(); 3448 #else 3449 num = 0; 3450 #endif 3451 break; 3452 3453 case STL_BUFNO: 3454 num = wp->w_buffer->b_fnum; 3455 break; 3456 3457 case STL_OFFSET_X: 3458 base = 'X'; 3459 case STL_OFFSET: 3460 #ifdef FEAT_BYTEOFF 3461 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3462 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3463 0L : l + 1 + (!(State & INSERT) && empty_line ? 3464 0 : (int)wp->w_cursor.col); 3465 #endif 3466 break; 3467 3468 case STL_BYTEVAL_X: 3469 base = 'X'; 3470 case STL_BYTEVAL: 3471 if (((State & INSERT) && wp == curwin) || empty_line) 3472 num = 0; 3473 else 3474 { 3475 #ifdef FEAT_MBYTE 3476 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3477 #else 3478 num = linecont[wp->w_cursor.col]; 3479 #endif 3480 } 3481 if (num == NL) 3482 num = 0; 3483 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3484 num = NL; 3485 break; 3486 3487 case STL_ROFLAG: 3488 case STL_ROFLAG_ALT: 3489 itemisflag = TRUE; 3490 if (wp->w_buffer->b_p_ro) 3491 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3492 break; 3493 3494 case STL_HELPFLAG: 3495 case STL_HELPFLAG_ALT: 3496 itemisflag = TRUE; 3497 if (wp->w_buffer->b_help) 3498 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3499 : _("[help]")); 3500 break; 3501 3502 #ifdef FEAT_AUTOCMD 3503 case STL_FILETYPE: 3504 if (*wp->w_buffer->b_p_ft != NUL 3505 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3506 { 3507 sprintf((char *)tmp, "[%s]", wp->w_buffer->b_p_ft); 3508 str = tmp; 3509 } 3510 break; 3511 3512 case STL_FILETYPE_ALT: 3513 itemisflag = TRUE; 3514 if (*wp->w_buffer->b_p_ft != NUL 3515 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3516 { 3517 sprintf((char *)tmp, ",%s", wp->w_buffer->b_p_ft); 3518 for (t = tmp; *t != 0; t++) 3519 *t = TOUPPER_LOC(*t); 3520 str = tmp; 3521 } 3522 break; 3523 #endif 3524 3525 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3526 case STL_PREVIEWFLAG: 3527 case STL_PREVIEWFLAG_ALT: 3528 itemisflag = TRUE; 3529 if (wp->w_p_pvw) 3530 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3531 : _("[Preview]")); 3532 break; 3533 #endif 3534 3535 case STL_MODIFIED: 3536 case STL_MODIFIED_ALT: 3537 itemisflag = TRUE; 3538 switch ((opt == STL_MODIFIED_ALT) 3539 + bufIsChanged(wp->w_buffer) * 2 3540 + (!wp->w_buffer->b_p_ma) * 4) 3541 { 3542 case 2: str = (char_u *)"[+]"; break; 3543 case 3: str = (char_u *)",+"; break; 3544 case 4: str = (char_u *)"[-]"; break; 3545 case 5: str = (char_u *)",-"; break; 3546 case 6: str = (char_u *)"[+-]"; break; 3547 case 7: str = (char_u *)",+-"; break; 3548 } 3549 break; 3550 } 3551 3552 item[curitem].start = p; 3553 item[curitem].type = Normal; 3554 if (str != NULL && *str) 3555 { 3556 t = str; 3557 if (itemisflag) 3558 { 3559 if ((t[0] && t[1]) 3560 && ((!prevchar_isitem && *t == ',') 3561 || (prevchar_isflag && *t == ' '))) 3562 t++; 3563 prevchar_isflag = TRUE; 3564 } 3565 l = vim_strsize(t); 3566 if (l > 0) 3567 prevchar_isitem = TRUE; 3568 if (l > maxwid) 3569 { 3570 while (l >= maxwid) 3571 #ifdef FEAT_MBYTE 3572 if (has_mbyte) 3573 { 3574 l -= ptr2cells(t); 3575 t += (*mb_ptr2len_check)(t); 3576 } 3577 else 3578 #endif 3579 l -= byte2cells(*t++); 3580 if (p + 1 >= out + outlen) 3581 break; 3582 *p++ = '<'; 3583 } 3584 if (minwid > 0) 3585 { 3586 for (; l < minwid && p + 1 < out + outlen; l++) 3587 { 3588 /* Don't put a "-" in front of a digit. */ 3589 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3590 *p++ = ' '; 3591 else 3592 *p++ = fillchar; 3593 } 3594 minwid = 0; 3595 } 3596 else 3597 minwid *= -1; 3598 while (*t && p + 1 < out + outlen) 3599 { 3600 *p++ = *t++; 3601 /* Change a space by fillchar, unless fillchar is '-' and a 3602 * digit follows. */ 3603 if (fillable && p[-1] == ' ' 3604 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3605 p[-1] = fillchar; 3606 } 3607 for (; l < minwid && p + 1 < out + outlen; l++) 3608 *p++ = fillchar; 3609 } 3610 else if (num >= 0) 3611 { 3612 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3613 char_u nstr[20]; 3614 3615 if (p + 20 >= out + outlen) 3616 break; /* not sufficient space */ 3617 prevchar_isitem = TRUE; 3618 t = nstr; 3619 if (opt == STL_VIRTCOL_ALT) 3620 { 3621 *t++ = '-'; 3622 minwid--; 3623 } 3624 *t++ = '%'; 3625 if (zeropad) 3626 *t++ = '0'; 3627 *t++ = '*'; 3628 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3629 *t = 0; 3630 3631 for (n = num, l = 1; n >= nbase; n /= nbase) 3632 l++; 3633 if (opt == STL_VIRTCOL_ALT) 3634 l++; 3635 if (l > maxwid) 3636 { 3637 l += 2; 3638 n = l - maxwid; 3639 while (l-- > maxwid) 3640 num /= nbase; 3641 *t++ = '>'; 3642 *t++ = '%'; 3643 *t = t[-3]; 3644 *++t = 0; 3645 sprintf((char *)p, (char *)nstr, 0, num, n); 3646 } 3647 else 3648 sprintf((char *)p, (char *)nstr, minwid, num); 3649 p += STRLEN(p); 3650 } 3651 else 3652 item[curitem].type = Empty; 3653 3654 if (opt == STL_VIM_EXPR) 3655 vim_free(str); 3656 3657 if (num >= 0 || (!itemisflag && str && *str)) 3658 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3659 curitem++; 3660 } 3661 *p = NUL; 3662 itemcnt = curitem; 3663 3664 width = vim_strsize(out); 3665 if (maxwidth > 0 && width > maxwidth) 3666 { 3667 /* Result is too long, must trunctate somewhere. */ 3668 l = 0; 3669 if (itemcnt == 0) 3670 s = out; 3671 else 3672 { 3673 for ( ; l < itemcnt; l++) 3674 if (item[l].type == Trunc) 3675 { 3676 /* Truncate at %< item. */ 3677 s = item[l].start; 3678 break; 3679 } 3680 if (l == itemcnt) 3681 { 3682 /* No %< item, truncate first item. */ 3683 s = item[0].start; 3684 l = 0; 3685 } 3686 } 3687 3688 if (width - vim_strsize(s) >= maxwidth) 3689 { 3690 /* Truncation mark is beyond max length */ 3691 #ifdef FEAT_MBYTE 3692 if (has_mbyte) 3693 { 3694 s = out; 3695 width = 0; 3696 for (;;) 3697 { 3698 width += ptr2cells(s); 3699 if (width >= maxwidth) 3700 break; 3701 s += (*mb_ptr2len_check)(s); 3702 } 3703 /* Fill up for half a double-wide character. */ 3704 while (++width < maxwidth) 3705 *s++ = fillchar; 3706 } 3707 else 3708 #endif 3709 s = out + maxwidth - 1; 3710 for (l = 0; l < itemcnt; l++) 3711 if (item[l].start > s) 3712 break; 3713 itemcnt = l; 3714 *s++ = '>'; 3715 *s = 0; 3716 } 3717 else 3718 { 3719 #ifdef FEAT_MBYTE 3720 if (has_mbyte) 3721 { 3722 n = 0; 3723 while (width >= maxwidth) 3724 { 3725 width -= ptr2cells(s + n); 3726 n += (*mb_ptr2len_check)(s + n); 3727 } 3728 } 3729 else 3730 #endif 3731 n = width - maxwidth + 1; 3732 p = s + n; 3733 mch_memmove(s + 1, p, STRLEN(p) + 1); 3734 *s = '<'; 3735 3736 /* Fill up for half a double-wide character. */ 3737 while (++width < maxwidth) 3738 { 3739 s = s + STRLEN(s); 3740 *s++ = fillchar; 3741 *s = NUL; 3742 } 3743 3744 --n; /* count the '<' */ 3745 for (; l < itemcnt; l++) 3746 { 3747 if (item[l].start - n >= s) 3748 item[l].start -= n; 3749 else 3750 item[l].start = s; 3751 } 3752 } 3753 width = maxwidth; 3754 } 3755 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3756 { 3757 /* Apply STL_MIDDLE if any */ 3758 for (l = 0; l < itemcnt; l++) 3759 if (item[l].type == Middle) 3760 break; 3761 if (l < itemcnt) 3762 { 3763 p = item[l].start + maxwidth - width; 3764 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3765 for (s = item[l].start; s < p; s++) 3766 *s = fillchar; 3767 for (l++; l < itemcnt; l++) 3768 item[l].start += maxwidth - width; 3769 width = maxwidth; 3770 } 3771 } 3772 3773 if (hl != NULL) 3774 { 3775 for (l = 0; l < itemcnt; l++) 3776 { 3777 if (item[l].type == Highlight) 3778 { 3779 hl->start = item[l].start; 3780 hl->userhl = item[l].minwid; 3781 hl++; 3782 } 3783 } 3784 hl->start = NULL; 3785 hl->userhl = 0; 3786 } 3787 3788 return width; 3789 } 3790 #endif /* FEAT_STL_OPT */ 3791 3792 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3793 /* 3794 * Get relative cursor position in window, in the form 99%, using "Top", "Bot" 3795 * or "All" when appropriate. 3796 */ 3797 void 3798 get_rel_pos(wp, str) 3799 win_T *wp; 3800 char_u *str; 3801 { 3802 long above; /* number of lines above window */ 3803 long below; /* number of lines below window */ 3804 3805 above = wp->w_topline - 1; 3806 #ifdef FEAT_DIFF 3807 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3808 #endif 3809 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3810 if (below <= 0) 3811 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3812 else if (above <= 0) 3813 STRCPY(str, _("Top")); 3814 else 3815 sprintf((char *)str, "%2d%%", above > 1000000L 3816 ? (int)(above / ((above + below) / 100L)) 3817 : (int)(above * 100L / (above + below))); 3818 } 3819 #endif 3820 3821 /* 3822 * Append (file 2 of 8) to 'buf', if editing more than one file. 3823 * Return TRUE if it was appended. 3824 */ 3825 int 3826 append_arg_number(wp, buf, add_file, maxlen) 3827 win_T *wp; 3828 char_u *buf; 3829 int add_file; /* Add "file" before the arg number */ 3830 int maxlen; /* maximum nr of chars in buf or zero*/ 3831 { 3832 char_u *p; 3833 3834 if (ARGCOUNT <= 1) /* nothing to do */ 3835 return FALSE; 3836 3837 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3838 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3839 return FALSE; 3840 *p++ = ' '; 3841 *p++ = '('; 3842 if (add_file) 3843 { 3844 STRCPY(p, "file "); 3845 p += 5; 3846 } 3847 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3848 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3849 return TRUE; 3850 } 3851 3852 /* 3853 * If fname is not a full path, make it a full path. 3854 * Returns pointer to allocated memory (NULL for failure). 3855 */ 3856 char_u * 3857 fix_fname(fname) 3858 char_u *fname; 3859 { 3860 /* 3861 * Force expanding the path always for Unix, because symbolic links may 3862 * mess up the full path name, even though it starts with a '/'. 3863 * Also expand when there is ".." in the file name, try to remove it, 3864 * because "c:/src/../README" is equal to "c:/README". 3865 * For MS-Windows also expand names like "longna~1" to "longname". 3866 */ 3867 #ifdef UNIX 3868 return FullName_save(fname, TRUE); 3869 #else 3870 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 3871 #if defined(MSWIN) || defined(DJGPP) 3872 || vim_strchr(fname, '~') != NULL 3873 #endif 3874 ) 3875 return FullName_save(fname, FALSE); 3876 3877 fname = vim_strsave(fname); 3878 3879 #ifdef USE_FNAME_CASE 3880 # ifdef USE_LONG_FNAME 3881 if (USE_LONG_FNAME) 3882 # endif 3883 { 3884 if (fname != NULL) 3885 fname_case(fname, 0); /* set correct case for file name */ 3886 } 3887 #endif 3888 3889 return fname; 3890 #endif 3891 } 3892 3893 /* 3894 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 3895 * "ffname" becomes a pointer to allocated memory (or NULL). 3896 */ 3897 /*ARGSUSED*/ 3898 void 3899 fname_expand(buf, ffname, sfname) 3900 buf_T *buf; 3901 char_u **ffname; 3902 char_u **sfname; 3903 { 3904 if (*ffname == NULL) /* if no file name given, nothing to do */ 3905 return; 3906 if (*sfname == NULL) /* if no short file name given, use ffname */ 3907 *sfname = *ffname; 3908 *ffname = fix_fname(*ffname); /* expand to full path */ 3909 3910 #ifdef FEAT_SHORTCUT 3911 if (!buf->b_p_bin) 3912 { 3913 char_u *rfname = NULL; 3914 3915 /* If the file name is a shortcut file, use the file it links to. */ 3916 rfname = mch_resolve_shortcut(*ffname); 3917 if (rfname) 3918 { 3919 vim_free(*ffname); 3920 *ffname = rfname; 3921 *sfname = rfname; 3922 } 3923 } 3924 #endif 3925 } 3926 3927 /* 3928 * Get the file name for an argument list entry. 3929 */ 3930 char_u * 3931 alist_name(aep) 3932 aentry_T *aep; 3933 { 3934 buf_T *bp; 3935 3936 /* Use the name from the associated buffer if it exists. */ 3937 bp = buflist_findnr(aep->ae_fnum); 3938 if (bp == NULL) 3939 return aep->ae_fname; 3940 return bp->b_fname; 3941 } 3942 3943 #if defined(FEAT_WINDOWS) || defined(PROTO) 3944 /* 3945 * do_arg_all(): Open up to 'count' windows, one for each argument. 3946 */ 3947 void 3948 do_arg_all(count, forceit) 3949 int count; 3950 int forceit; /* hide buffers in current windows */ 3951 { 3952 int i; 3953 win_T *wp, *wpnext; 3954 char_u *opened; /* array of flags for which args are open */ 3955 int opened_len; /* lenght of opened[] */ 3956 int use_firstwin = FALSE; /* use first window for arglist */ 3957 int split_ret = OK; 3958 int p_ea_save; 3959 alist_T *alist; /* argument list to be used */ 3960 buf_T *buf; 3961 3962 if (ARGCOUNT <= 0) 3963 { 3964 /* Don't give an error message. We don't want it when the ":all" 3965 * command is in the .vimrc. */ 3966 return; 3967 } 3968 setpcmark(); 3969 3970 opened_len = ARGCOUNT; 3971 opened = alloc_clear((unsigned)opened_len); 3972 if (opened == NULL) 3973 return; 3974 3975 #ifdef FEAT_GUI 3976 need_mouse_correct = TRUE; 3977 #endif 3978 3979 /* 3980 * Try closing all windows that are not in the argument list. 3981 * Also close windows that are not full width; 3982 * When 'hidden' or "forceit" set the buffer becomes hidden. 3983 * Windows that have a changed buffer and can't be hidden won't be closed. 3984 */ 3985 for (wp = firstwin; wp != NULL; wp = wpnext) 3986 { 3987 wpnext = wp->w_next; 3988 buf = wp->w_buffer; 3989 if (buf->b_ffname == NULL 3990 || buf->b_nwindows > 1 3991 #ifdef FEAT_VERTSPLIT 3992 || wp->w_width != Columns 3993 #endif 3994 ) 3995 i = ARGCOUNT; 3996 else 3997 { 3998 /* check if the buffer in this window is in the arglist */ 3999 for (i = 0; i < ARGCOUNT; ++i) 4000 { 4001 if (ARGLIST[i].ae_fnum == buf->b_fnum 4002 || fullpathcmp(alist_name(&ARGLIST[i]), 4003 buf->b_ffname, TRUE) & FPC_SAME) 4004 { 4005 if (i < opened_len) 4006 opened[i] = TRUE; 4007 if (wp->w_alist != curwin->w_alist) 4008 { 4009 /* Use the current argument list for all windows 4010 * containing a file from it. */ 4011 alist_unlink(wp->w_alist); 4012 wp->w_alist = curwin->w_alist; 4013 ++wp->w_alist->al_refcount; 4014 } 4015 break; 4016 } 4017 } 4018 } 4019 wp->w_arg_idx = i; 4020 4021 if (i == ARGCOUNT) /* close this window */ 4022 { 4023 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4024 || !bufIsChanged(buf)) 4025 { 4026 /* If the buffer was changed, and we would like to hide it, 4027 * try autowriting. */ 4028 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4029 { 4030 (void)autowrite(buf, FALSE); 4031 #ifdef FEAT_AUTOCMD 4032 /* check if autocommands removed the window */ 4033 if (!win_valid(wp) || !buf_valid(buf)) 4034 { 4035 wpnext = firstwin; /* start all over... */ 4036 continue; 4037 } 4038 #endif 4039 } 4040 #ifdef FEAT_WINDOWS 4041 if (firstwin == lastwin) /* can't close last window */ 4042 #endif 4043 use_firstwin = TRUE; 4044 #ifdef FEAT_WINDOWS 4045 else 4046 { 4047 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4048 # ifdef FEAT_AUTOCMD 4049 /* check if autocommands removed the next window */ 4050 if (!win_valid(wpnext)) 4051 wpnext = firstwin; /* start all over... */ 4052 # endif 4053 } 4054 #endif 4055 } 4056 } 4057 } 4058 4059 /* 4060 * Open a window for files in the argument list that don't have one. 4061 * ARGCOUNT may change while doing this, because of autocommands. 4062 */ 4063 if (count > ARGCOUNT || count <= 0) 4064 count = ARGCOUNT; 4065 4066 /* Autocommands may do anything to the argument list. Make sure it's not 4067 * freed while we are working here by "locking" it. We still have to 4068 * watch out for its size to be changed. */ 4069 alist = curwin->w_alist; 4070 ++alist->al_refcount; 4071 4072 #ifdef FEAT_AUTOCMD 4073 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4074 ++autocmd_no_enter; 4075 ++autocmd_no_leave; 4076 #endif 4077 win_enter(lastwin, FALSE); 4078 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4079 { 4080 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4081 arg_had_last = TRUE; 4082 if (i < opened_len && opened[i]) 4083 { 4084 /* Move the already present window to below the current window */ 4085 if (curwin->w_arg_idx != i) 4086 { 4087 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4088 { 4089 if (wpnext->w_arg_idx == i) 4090 { 4091 win_move_after(wpnext, curwin); 4092 break; 4093 } 4094 } 4095 } 4096 } 4097 else if (split_ret == OK) 4098 { 4099 if (!use_firstwin) /* split current window */ 4100 { 4101 p_ea_save = p_ea; 4102 p_ea = TRUE; /* use space from all windows */ 4103 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4104 p_ea = p_ea_save; 4105 if (split_ret == FAIL) 4106 continue; 4107 } 4108 #ifdef FEAT_AUTOCMD 4109 else /* first window: do autocmd for leaving this buffer */ 4110 --autocmd_no_leave; 4111 #endif 4112 4113 /* 4114 * edit file i 4115 */ 4116 curwin->w_arg_idx = i; 4117 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4118 ECMD_ONE, 4119 ((P_HID(curwin->w_buffer) 4120 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4121 + ECMD_OLDBUF); 4122 #ifdef FEAT_AUTOCMD 4123 if (use_firstwin) 4124 ++autocmd_no_leave; 4125 #endif 4126 use_firstwin = FALSE; 4127 } 4128 ui_breakcheck(); 4129 } 4130 4131 /* Remove the "lock" on the argument list. */ 4132 alist_unlink(alist); 4133 4134 #ifdef FEAT_AUTOCMD 4135 --autocmd_no_enter; 4136 #endif 4137 win_enter(firstwin, FALSE); /* back to first window */ 4138 #ifdef FEAT_AUTOCMD 4139 --autocmd_no_leave; 4140 #endif 4141 vim_free(opened); 4142 } 4143 4144 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4145 /* 4146 * Open a window for a number of buffers. 4147 */ 4148 void 4149 ex_buffer_all(eap) 4150 exarg_T *eap; 4151 { 4152 buf_T *buf; 4153 win_T *wp, *wpnext; 4154 int split_ret = OK; 4155 int p_ea_save; 4156 int open_wins = 0; 4157 int r; 4158 int count; /* Maximum number of windows to open. */ 4159 int all; /* When TRUE also load inactive buffers. */ 4160 4161 if (eap->addr_count == 0) /* make as many windows as possible */ 4162 count = 9999; 4163 else 4164 count = eap->line2; /* make as many windows as specified */ 4165 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4166 all = FALSE; 4167 else 4168 all = TRUE; 4169 4170 setpcmark(); 4171 4172 #ifdef FEAT_GUI 4173 need_mouse_correct = TRUE; 4174 #endif 4175 4176 /* 4177 * Close superfluous windows (two windows for the same buffer). 4178 * Also close windows that are not full-width. 4179 */ 4180 for (wp = firstwin; wp != NULL; wp = wpnext) 4181 { 4182 wpnext = wp->w_next; 4183 if (wp->w_buffer->b_nwindows > 1 4184 #ifdef FEAT_VERTSPLIT 4185 || ((cmdmod.split & WSP_VERT) 4186 ? wp->w_height + wp->w_status_height < Rows - p_ch 4187 : wp->w_width != Columns) 4188 #endif 4189 ) 4190 { 4191 win_close(wp, FALSE); 4192 #ifdef FEAT_AUTOCMD 4193 wpnext = firstwin; /* just in case an autocommand does something 4194 strange with windows */ 4195 open_wins = 0; 4196 #endif 4197 } 4198 else 4199 ++open_wins; 4200 } 4201 4202 /* 4203 * Go through the buffer list. When a buffer doesn't have a window yet, 4204 * open one. Otherwise move the window to the right position. 4205 * Watch out for autocommands that delete buffers or windows! 4206 */ 4207 #ifdef FEAT_AUTOCMD 4208 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4209 ++autocmd_no_enter; 4210 #endif 4211 win_enter(lastwin, FALSE); 4212 #ifdef FEAT_AUTOCMD 4213 ++autocmd_no_leave; 4214 #endif 4215 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4216 { 4217 /* Check if this buffer needs a window */ 4218 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4219 continue; 4220 4221 /* Check if this buffer already has a window */ 4222 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4223 if (wp->w_buffer == buf) 4224 break; 4225 /* If the buffer already has a window, move it */ 4226 if (wp != NULL) 4227 win_move_after(wp, curwin); 4228 else if (split_ret == OK) 4229 { 4230 /* Split the window and put the buffer in it */ 4231 p_ea_save = p_ea; 4232 p_ea = TRUE; /* use space from all windows */ 4233 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4234 ++open_wins; 4235 p_ea = p_ea_save; 4236 if (split_ret == FAIL) 4237 continue; 4238 4239 /* Open the buffer in this window. */ 4240 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4241 swap_exists_action = SEA_DIALOG; 4242 #endif 4243 set_curbuf(buf, DOBUF_GOTO); 4244 #ifdef FEAT_AUTOCMD 4245 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4246 { 4247 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4248 swap_exists_action = SEA_NONE; 4249 # endif 4250 break; 4251 } 4252 #endif 4253 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4254 if (swap_exists_action == SEA_QUIT) 4255 { 4256 int old_got_int = got_int; 4257 4258 /* User selected Quit at ATTENTION prompt; close this window. 4259 * Reset got_int here, because it causes aborting() to return 4260 * TRUE which breaks closing a window. */ 4261 got_int = FALSE; 4262 4263 win_close(curwin, TRUE); 4264 --open_wins; 4265 4266 got_int |= old_got_int; 4267 swap_exists_action = SEA_NONE; 4268 } 4269 else 4270 handle_swap_exists(NULL); 4271 #endif 4272 } 4273 4274 ui_breakcheck(); 4275 if (got_int) 4276 { 4277 (void)vgetc(); /* only break the file loading, not the rest */ 4278 break; 4279 } 4280 #ifdef FEAT_EVAL 4281 /* Autocommands deleted the buffer or aborted script processing!!! */ 4282 if (aborting()) 4283 break; 4284 #endif 4285 } 4286 #ifdef FEAT_AUTOCMD 4287 --autocmd_no_enter; 4288 #endif 4289 win_enter(firstwin, FALSE); /* back to first window */ 4290 #ifdef FEAT_AUTOCMD 4291 --autocmd_no_leave; 4292 #endif 4293 4294 /* 4295 * Close superfluous windows. 4296 */ 4297 for (wp = lastwin; open_wins > count; ) 4298 { 4299 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4300 || autowrite(wp->w_buffer, FALSE) == OK); 4301 #ifdef FEAT_AUTOCMD 4302 if (!win_valid(wp)) 4303 { 4304 /* BufWrite Autocommands made the window invalid, start over */ 4305 wp = lastwin; 4306 } 4307 else 4308 #endif 4309 if (r) 4310 { 4311 win_close(wp, !P_HID(wp->w_buffer)); 4312 --open_wins; 4313 wp = lastwin; 4314 } 4315 else 4316 { 4317 wp = wp->w_prev; 4318 if (wp == NULL) 4319 break; 4320 } 4321 } 4322 } 4323 # endif /* FEAT_LISTCMDS */ 4324 4325 #endif /* FEAT_WINDOWS */ 4326 4327 /* 4328 * do_modelines() - process mode lines for the current file 4329 * 4330 * Returns immediately if the "ml" option isn't set. 4331 */ 4332 static int chk_modeline __ARGS((linenr_T)); 4333 4334 void 4335 do_modelines() 4336 { 4337 linenr_T lnum; 4338 int nmlines; 4339 static int entered = 0; 4340 4341 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4342 return; 4343 4344 /* Disallow recursive entry here. Can happen when executing a modeline 4345 * triggers an autocommand, which reloads modelines with a ":do". */ 4346 if (entered) 4347 return; 4348 4349 ++entered; 4350 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4351 ++lnum) 4352 if (chk_modeline(lnum) == FAIL) 4353 nmlines = 0; 4354 4355 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4356 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4357 if (chk_modeline(lnum) == FAIL) 4358 nmlines = 0; 4359 --entered; 4360 } 4361 4362 #include "version.h" /* for version number */ 4363 4364 /* 4365 * chk_modeline() - check a single line for a mode string 4366 * Return FAIL if an error encountered. 4367 */ 4368 static int 4369 chk_modeline(lnum) 4370 linenr_T lnum; 4371 { 4372 char_u *s; 4373 char_u *e; 4374 char_u *linecopy; /* local copy of any modeline found */ 4375 int prev; 4376 int vers; 4377 int end; 4378 int retval = OK; 4379 char_u *save_sourcing_name; 4380 linenr_T save_sourcing_lnum; 4381 #ifdef FEAT_EVAL 4382 scid_T save_SID; 4383 #endif 4384 4385 prev = -1; 4386 for (s = ml_get(lnum); *s != NUL; ++s) 4387 { 4388 if (prev == -1 || vim_isspace(prev)) 4389 { 4390 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4391 || STRNCMP(s, "vi:", (size_t)3) == 0) 4392 break; 4393 if (STRNCMP(s, "vim", 3) == 0) 4394 { 4395 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4396 e = s + 4; 4397 else 4398 e = s + 3; 4399 vers = getdigits(&e); 4400 if (*e == ':' 4401 && (s[3] == ':' 4402 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4403 || (VIM_VERSION_100 < vers && s[3] == '<') 4404 || (VIM_VERSION_100 > vers && s[3] == '>') 4405 || (VIM_VERSION_100 == vers && s[3] == '='))) 4406 break; 4407 } 4408 } 4409 prev = *s; 4410 } 4411 4412 if (*s) 4413 { 4414 do /* skip over "ex:", "vi:" or "vim:" */ 4415 ++s; 4416 while (s[-1] != ':'); 4417 4418 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4419 if (linecopy == NULL) 4420 return FAIL; 4421 4422 save_sourcing_lnum = sourcing_lnum; 4423 save_sourcing_name = sourcing_name; 4424 sourcing_lnum = lnum; /* prepare for emsg() */ 4425 sourcing_name = (char_u *)"modelines"; 4426 4427 end = FALSE; 4428 while (end == FALSE) 4429 { 4430 s = skipwhite(s); 4431 if (*s == NUL) 4432 break; 4433 4434 /* 4435 * Find end of set command: ':' or end of line. 4436 * Skip over "\:", replacing it with ":". 4437 */ 4438 for (e = s; *e != ':' && *e != NUL; ++e) 4439 if (e[0] == '\\' && e[1] == ':') 4440 STRCPY(e, e + 1); 4441 if (*e == NUL) 4442 end = TRUE; 4443 4444 /* 4445 * If there is a "set" command, require a terminating ':' and 4446 * ignore the stuff after the ':'. 4447 * "vi:set opt opt opt: foo" -- foo not interpreted 4448 * "vi:opt opt opt: foo" -- foo interpreted 4449 * Accept "se" for compatibility with Elvis. 4450 */ 4451 if (STRNCMP(s, "set ", (size_t)4) == 0 4452 || STRNCMP(s, "se ", (size_t)3) == 0) 4453 { 4454 if (*e != ':') /* no terminating ':'? */ 4455 break; 4456 end = TRUE; 4457 s = vim_strchr(s, ' ') + 1; 4458 } 4459 *e = NUL; /* truncate the set command */ 4460 4461 if (*s != NUL) /* skip over an empty "::" */ 4462 { 4463 #ifdef FEAT_EVAL 4464 save_SID = current_SID; 4465 current_SID = SID_MODELINE; 4466 #endif 4467 retval = do_set(s, OPT_MODELINE | OPT_LOCAL); 4468 #ifdef FEAT_EVAL 4469 current_SID = save_SID; 4470 #endif 4471 if (retval == FAIL) /* stop if error found */ 4472 break; 4473 } 4474 s = e + 1; /* advance to next part */ 4475 } 4476 4477 sourcing_lnum = save_sourcing_lnum; 4478 sourcing_name = save_sourcing_name; 4479 4480 vim_free(linecopy); 4481 } 4482 return retval; 4483 } 4484 4485 #ifdef FEAT_VIMINFO 4486 int 4487 read_viminfo_bufferlist(virp, writing) 4488 vir_T *virp; 4489 int writing; 4490 { 4491 char_u *tab; 4492 linenr_T lnum; 4493 colnr_T col; 4494 buf_T *buf; 4495 char_u *sfname; 4496 char_u *xline; 4497 4498 /* Handle long line and escaped characters. */ 4499 xline = viminfo_readstring(virp, 1, FALSE); 4500 4501 /* don't read in if there are files on the command-line or if writing: */ 4502 if (xline != NULL && !writing && ARGCOUNT == 0 4503 && find_viminfo_parameter('%') != NULL) 4504 { 4505 /* Format is: <fname> Tab <lnum> Tab <col>. 4506 * Watch out for a Tab in the file name, work from the end. */ 4507 lnum = 0; 4508 col = 0; 4509 tab = vim_strrchr(xline, '\t'); 4510 if (tab != NULL) 4511 { 4512 *tab++ = '\0'; 4513 col = atoi((char *)tab); 4514 tab = vim_strrchr(xline, '\t'); 4515 if (tab != NULL) 4516 { 4517 *tab++ = '\0'; 4518 lnum = atol((char *)tab); 4519 } 4520 } 4521 4522 /* Expand "~/" in the file name at "line + 1" to a full path. 4523 * Then try shortening it by comparing with the current directory */ 4524 expand_env(xline, NameBuff, MAXPATHL); 4525 mch_dirname(IObuff, IOSIZE); 4526 sfname = shorten_fname(NameBuff, IObuff); 4527 if (sfname == NULL) 4528 sfname = NameBuff; 4529 4530 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4531 if (buf != NULL) /* just in case... */ 4532 { 4533 buf->b_last_cursor.lnum = lnum; 4534 buf->b_last_cursor.col = col; 4535 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4536 } 4537 } 4538 vim_free(xline); 4539 4540 return viminfo_readline(virp); 4541 } 4542 4543 void 4544 write_viminfo_bufferlist(fp) 4545 FILE *fp; 4546 { 4547 buf_T *buf; 4548 #ifdef FEAT_WINDOWS 4549 win_T *win; 4550 #endif 4551 char_u *line; 4552 4553 if (find_viminfo_parameter('%') == NULL) 4554 return; 4555 4556 /* Allocate room for the file name, lnum and col. */ 4557 line = alloc(MAXPATHL + 30); 4558 if (line == NULL) 4559 return; 4560 4561 #ifdef FEAT_WINDOWS 4562 for (win = firstwin; win != NULL; win = win->w_next) 4563 set_last_cursor(win); 4564 #else 4565 set_last_cursor(curwin); 4566 #endif 4567 4568 fprintf(fp, _("\n# Buffer list:\n")); 4569 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4570 { 4571 if (buf->b_fname == NULL 4572 || !buf->b_p_bl 4573 #ifdef FEAT_QUICKFIX 4574 || bt_quickfix(buf) 4575 #endif 4576 || removable(buf->b_ffname)) 4577 continue; 4578 4579 putc('%', fp); 4580 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4581 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4582 (long)buf->b_last_cursor.lnum, 4583 buf->b_last_cursor.col); 4584 viminfo_writestring(fp, line); 4585 } 4586 vim_free(line); 4587 } 4588 #endif 4589 4590 4591 /* 4592 * Return special buffer name. 4593 * Returns NULL when the buffer has a normal file name. 4594 */ 4595 char * 4596 buf_spname(buf) 4597 buf_T *buf; 4598 { 4599 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4600 if (bt_quickfix(buf)) 4601 return _("[Error List]"); 4602 #endif 4603 #ifdef FEAT_QUICKFIX 4604 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4605 * contains the name as specified by the user */ 4606 if (bt_nofile(buf)) 4607 { 4608 if (buf->b_sfname != NULL) 4609 return (char *)buf->b_sfname; 4610 return "[Scratch]"; 4611 } 4612 #endif 4613 if (buf->b_fname == NULL) 4614 return _("[No Name]"); 4615 return NULL; 4616 } 4617 4618 4619 #if defined(FEAT_SIGNS) || defined(PROTO) 4620 /* 4621 * Insert the sign into the signlist. 4622 */ 4623 static void 4624 insert_sign(buf, prev, next, id, lnum, typenr) 4625 buf_T *buf; /* buffer to store sign in */ 4626 signlist_T *prev; /* previous sign entry */ 4627 signlist_T *next; /* next sign entry */ 4628 int id; /* sign ID */ 4629 linenr_T lnum; /* line number which gets the mark */ 4630 int typenr; /* typenr of sign we are adding */ 4631 { 4632 signlist_T *newsign; 4633 4634 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4635 if (newsign != NULL) 4636 { 4637 newsign->id = id; 4638 newsign->lnum = lnum; 4639 newsign->typenr = typenr; 4640 newsign->next = next; 4641 #ifdef FEAT_NETBEANS_INTG 4642 newsign->prev = prev; 4643 if (next != NULL) 4644 next->prev = newsign; 4645 #endif 4646 4647 if (prev == NULL) 4648 { 4649 /* When adding first sign need to redraw the windows to create the 4650 * column for signs. */ 4651 if (buf->b_signlist == NULL) 4652 { 4653 redraw_buf_later(buf, NOT_VALID); 4654 changed_cline_bef_curs(); 4655 } 4656 4657 /* first sign in signlist */ 4658 buf->b_signlist = newsign; 4659 } 4660 else 4661 prev->next = newsign; 4662 } 4663 } 4664 4665 /* 4666 * Add the sign into the signlist. Find the right spot to do it though. 4667 */ 4668 void 4669 buf_addsign(buf, id, lnum, typenr) 4670 buf_T *buf; /* buffer to store sign in */ 4671 int id; /* sign ID */ 4672 linenr_T lnum; /* line number which gets the mark */ 4673 int typenr; /* typenr of sign we are adding */ 4674 { 4675 signlist_T *sign; /* a sign in the signlist */ 4676 signlist_T *prev; /* the previous sign */ 4677 4678 prev = NULL; 4679 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4680 { 4681 if (lnum == sign->lnum && id == sign->id) 4682 { 4683 sign->typenr = typenr; 4684 return; 4685 } 4686 else if ( 4687 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4688 id < 0 && 4689 #endif 4690 lnum < sign->lnum) 4691 { 4692 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4693 /* XXX - GRP: Is this because of sign slide problem? Or is it 4694 * really needed? Or is it because we allow multiple signs per 4695 * line? If so, should I add that feature to FEAT_SIGNS? 4696 */ 4697 while (prev != NULL && prev->lnum == lnum) 4698 prev = prev->prev; 4699 if (prev == NULL) 4700 sign = buf->b_signlist; 4701 else 4702 sign = prev->next; 4703 #endif 4704 insert_sign(buf, prev, sign, id, lnum, typenr); 4705 return; 4706 } 4707 prev = sign; 4708 } 4709 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4710 /* XXX - GRP: See previous comment */ 4711 while (prev != NULL && prev->lnum == lnum) 4712 prev = prev->prev; 4713 if (prev == NULL) 4714 sign = buf->b_signlist; 4715 else 4716 sign = prev->next; 4717 #endif 4718 insert_sign(buf, prev, sign, id, lnum, typenr); 4719 4720 return; 4721 } 4722 4723 int 4724 buf_change_sign_type(buf, markId, typenr) 4725 buf_T *buf; /* buffer to store sign in */ 4726 int markId; /* sign ID */ 4727 int typenr; /* typenr of sign we are adding */ 4728 { 4729 signlist_T *sign; /* a sign in the signlist */ 4730 4731 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4732 { 4733 if (sign->id == markId) 4734 { 4735 sign->typenr = typenr; 4736 return sign->lnum; 4737 } 4738 } 4739 4740 return 0; 4741 } 4742 4743 int_u 4744 buf_getsigntype(buf, lnum, type) 4745 buf_T *buf; 4746 linenr_T lnum; 4747 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4748 { 4749 signlist_T *sign; /* a sign in a b_signlist */ 4750 4751 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4752 if (sign->lnum == lnum 4753 && (type == SIGN_ANY 4754 # ifdef FEAT_SIGN_ICONS 4755 || (type == SIGN_ICON 4756 && sign_get_image(sign->typenr) != NULL) 4757 # endif 4758 || (type == SIGN_TEXT 4759 && sign_get_text(sign->typenr) != NULL) 4760 || (type == SIGN_LINEHL 4761 && sign_get_attr(sign->typenr, TRUE) != 0))) 4762 return sign->typenr; 4763 return 0; 4764 } 4765 4766 4767 linenr_T 4768 buf_delsign(buf, id) 4769 buf_T *buf; /* buffer sign is stored in */ 4770 int id; /* sign id */ 4771 { 4772 signlist_T **lastp; /* pointer to pointer to current sign */ 4773 signlist_T *sign; /* a sign in a b_signlist */ 4774 signlist_T *next; /* the next sign in a b_signlist */ 4775 linenr_T lnum; /* line number whose sign was deleted */ 4776 4777 lastp = &buf->b_signlist; 4778 lnum = 0; 4779 for (sign = buf->b_signlist; sign != NULL; sign = next) 4780 { 4781 next = sign->next; 4782 if (sign->id == id) 4783 { 4784 *lastp = next; 4785 #ifdef FEAT_NETBEANS_INTG 4786 if (next != NULL) 4787 next->prev = sign->prev; 4788 #endif 4789 lnum = sign->lnum; 4790 vim_free(sign); 4791 break; 4792 } 4793 else 4794 lastp = &sign->next; 4795 } 4796 4797 /* When deleted the last sign need to redraw the windows to remove the 4798 * sign column. */ 4799 if (buf->b_signlist == NULL) 4800 { 4801 redraw_buf_later(buf, NOT_VALID); 4802 changed_cline_bef_curs(); 4803 } 4804 4805 return lnum; 4806 } 4807 4808 4809 /* 4810 * Find the line number of the sign with the requested id. If the sign does 4811 * not exist, return 0 as the line number. This will still let the correct file 4812 * get loaded. 4813 */ 4814 int 4815 buf_findsign(buf, id) 4816 buf_T *buf; /* buffer to store sign in */ 4817 int id; /* sign ID */ 4818 { 4819 signlist_T *sign; /* a sign in the signlist */ 4820 4821 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4822 if (sign->id == id) 4823 return sign->lnum; 4824 4825 return 0; 4826 } 4827 4828 int 4829 buf_findsign_id(buf, lnum) 4830 buf_T *buf; /* buffer whose sign we are searching for */ 4831 linenr_T lnum; /* line number of sign */ 4832 { 4833 signlist_T *sign; /* a sign in the signlist */ 4834 4835 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4836 if (sign->lnum == lnum) 4837 return sign->id; 4838 4839 return 0; 4840 } 4841 4842 4843 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 4844 /* see if a given type of sign exists on a specific line */ 4845 int 4846 buf_findsigntype_id(buf, lnum, typenr) 4847 buf_T *buf; /* buffer whose sign we are searching for */ 4848 linenr_T lnum; /* line number of sign */ 4849 int typenr; /* sign type number */ 4850 { 4851 signlist_T *sign; /* a sign in the signlist */ 4852 4853 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4854 if (sign->lnum == lnum && sign->typenr == typenr) 4855 return sign->id; 4856 4857 return 0; 4858 } 4859 4860 4861 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 4862 /* return the number of icons on the given line */ 4863 int 4864 buf_signcount(buf, lnum) 4865 buf_T *buf; 4866 linenr_T lnum; 4867 { 4868 signlist_T *sign; /* a sign in the signlist */ 4869 int count = 0; 4870 4871 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4872 if (sign->lnum == lnum) 4873 if (sign_get_image(sign->typenr) != NULL) 4874 count++; 4875 4876 return count; 4877 } 4878 # endif /* FEAT_SIGN_ICONS */ 4879 # endif /* FEAT_NETBEANS_INTG */ 4880 4881 4882 /* 4883 * Delete signs in buffer "buf". 4884 */ 4885 static void 4886 buf_delete_signs(buf) 4887 buf_T *buf; 4888 { 4889 signlist_T *next; 4890 4891 while (buf->b_signlist != NULL) 4892 { 4893 next = buf->b_signlist->next; 4894 vim_free(buf->b_signlist); 4895 buf->b_signlist = next; 4896 } 4897 } 4898 4899 /* 4900 * Delete all signs in all buffers. 4901 */ 4902 void 4903 buf_delete_all_signs() 4904 { 4905 buf_T *buf; /* buffer we are checking for signs */ 4906 4907 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 4908 if (buf->b_signlist != NULL) 4909 { 4910 /* Need to redraw the windows to remove the sign column. */ 4911 redraw_buf_later(buf, NOT_VALID); 4912 buf_delete_signs(buf); 4913 } 4914 } 4915 4916 /* 4917 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 4918 */ 4919 void 4920 sign_list_placed(rbuf) 4921 buf_T *rbuf; 4922 { 4923 buf_T *buf; 4924 signlist_T *p; 4925 char lbuf[BUFSIZ]; 4926 4927 MSG_PUTS_TITLE(_("\n--- Signs ---")); 4928 msg_putchar('\n'); 4929 if (rbuf == NULL) 4930 buf = firstbuf; 4931 else 4932 buf = rbuf; 4933 while (buf != NULL) 4934 { 4935 if (buf->b_signlist != NULL) 4936 { 4937 #ifdef HAVE_SNPRINTF 4938 snprintf 4939 #else 4940 sprintf 4941 #endif 4942 (lbuf, 4943 #ifdef HAVE_SNPRINTF 4944 BUFSIZ, 4945 #endif 4946 _("Signs for %s:"), buf->b_fname); 4947 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 4948 msg_putchar('\n'); 4949 } 4950 for (p = buf->b_signlist; p != NULL; p = p->next) 4951 { 4952 sprintf(lbuf, _(" line=%ld id=%d name=%s"), 4953 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 4954 MSG_PUTS(lbuf); 4955 msg_putchar('\n'); 4956 } 4957 if (rbuf != NULL) 4958 break; 4959 buf = buf->b_next; 4960 } 4961 } 4962 4963 /* 4964 * Adjust a placed sign for inserted/deleted lines. 4965 */ 4966 void 4967 sign_mark_adjust(line1, line2, amount, amount_after) 4968 linenr_T line1; 4969 linenr_T line2; 4970 long amount; 4971 long amount_after; 4972 { 4973 signlist_T *sign; /* a sign in a b_signlist */ 4974 4975 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 4976 { 4977 if (sign->lnum >= line1 && sign->lnum <= line2) 4978 { 4979 if (amount == MAXLNUM) 4980 sign->lnum = line1; 4981 else 4982 sign->lnum += amount; 4983 } 4984 else if (sign->lnum > line2) 4985 sign->lnum += amount_after; 4986 } 4987 } 4988 #endif /* FEAT_SIGNS */ 4989 4990 /* 4991 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 4992 */ 4993 void 4994 set_buflisted(on) 4995 int on; 4996 { 4997 if (on != curbuf->b_p_bl) 4998 { 4999 curbuf->b_p_bl = on; 5000 #ifdef FEAT_AUTOCMD 5001 if (on) 5002 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5003 else 5004 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5005 #endif 5006 } 5007 } 5008 5009 /* 5010 * Read the file for "buf" again and check if the contents changed. 5011 * Return TRUE if it changed or this could not be checked. 5012 */ 5013 int 5014 buf_contents_changed(buf) 5015 buf_T *buf; 5016 { 5017 buf_T *newbuf; 5018 int differ = TRUE; 5019 linenr_T lnum; 5020 #ifdef FEAT_AUTOCMD 5021 aco_save_T aco; 5022 #else 5023 buf_T *old_curbuf = curbuf; 5024 #endif 5025 exarg_T ea; 5026 5027 /* Allocate a buffer without putting it in the buffer list. */ 5028 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5029 if (newbuf == NULL) 5030 return TRUE; 5031 5032 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5033 if (prep_exarg(&ea, buf) == FAIL) 5034 { 5035 wipe_buffer(newbuf, FALSE); 5036 return TRUE; 5037 } 5038 5039 #ifdef FEAT_AUTOCMD 5040 /* set curwin/curbuf to buf and save a few things */ 5041 aucmd_prepbuf(&aco, newbuf); 5042 #else 5043 curbuf = newbuf; 5044 curwin->w_buffer = newbuf; 5045 #endif 5046 5047 if (ml_open() == OK 5048 && readfile(buf->b_ffname, buf->b_fname, 5049 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5050 &ea, READ_NEW | READ_DUMMY) == OK) 5051 { 5052 /* compare the two files line by line */ 5053 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5054 { 5055 differ = FALSE; 5056 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5057 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5058 { 5059 differ = TRUE; 5060 break; 5061 } 5062 } 5063 } 5064 vim_free(ea.cmd); 5065 5066 #ifdef FEAT_AUTOCMD 5067 /* restore curwin/curbuf and a few other things */ 5068 aucmd_restbuf(&aco); 5069 #else 5070 curbuf = old_curbuf; 5071 curwin->w_buffer = old_curbuf; 5072 #endif 5073 5074 if (curbuf != newbuf) /* safety check */ 5075 wipe_buffer(newbuf, FALSE); 5076 5077 return differ; 5078 } 5079 5080 /* 5081 * Wipe out a buffer and decrement the last buffer number if it was used for 5082 * this buffer. Call this to wipe out a temp buffer that does not contain any 5083 * marks. 5084 */ 5085 /*ARGSUSED*/ 5086 void 5087 wipe_buffer(buf, aucmd) 5088 buf_T *buf; 5089 int aucmd; /* When TRUE trigger autocommands. */ 5090 { 5091 if (buf->b_fnum == top_file_num - 1) 5092 --top_file_num; 5093 5094 #ifdef FEAT_AUTOCMD 5095 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5096 ++autocmd_block; 5097 #endif 5098 close_buffer(NULL, buf, DOBUF_WIPE); 5099 #ifdef FEAT_AUTOCMD 5100 if (!aucmd) 5101 --autocmd_block; 5102 #endif 5103 } 5104