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comparison src/fileio.c @ 1834:ccbd8177e1f4 v7.2.132

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updated for version 7.2-132
author vimboss
date Thu, 05 Mar 2009 02:15:53 +0000
parents 28e9eb0f2d84
children 03714c67a82b
comparison
equal deleted inserted replaced
1833:fbecb12e37f5 1834:ccbd8177e1f4
67 #ifdef FEAT_AUTOCMD 67 #ifdef FEAT_AUTOCMD
68 static int apply_autocmds_exarg __ARGS((event_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, exarg_T *eap)); 68 static int apply_autocmds_exarg __ARGS((event_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, exarg_T *eap));
69 static int au_find_group __ARGS((char_u *name)); 69 static int au_find_group __ARGS((char_u *name));
70 70
71 # define AUGROUP_DEFAULT -1 /* default autocmd group */ 71 # define AUGROUP_DEFAULT -1 /* default autocmd group */
72 # define AUGROUP_ERROR -2 /* errornouse autocmd group */ 72 # define AUGROUP_ERROR -2 /* erroneous autocmd group */
73 # define AUGROUP_ALL -3 /* all autocmd groups */ 73 # define AUGROUP_ALL -3 /* all autocmd groups */
74 #endif 74 #endif
75 75
76 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) 76 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE)
77 # define HAS_BW_FLAGS 77 # define HAS_BW_FLAGS
142 # ifdef MACOS_X 142 # ifdef MACOS_X
143 static int get_mac_fio_flags __ARGS((char_u *ptr)); 143 static int get_mac_fio_flags __ARGS((char_u *ptr));
144 # endif 144 # endif
145 #endif 145 #endif
146 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); 146 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf));
147 147 #ifdef FEAT_AUTOCMD
148 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name");
149 #endif
148 150
149 void 151 void
150 filemess(buf, name, s, attr) 152 filemess(buf, name, s, attr)
151 buf_T *buf; 153 buf_T *buf;
152 char_u *name; 154 char_u *name;
293 wasn't possible */ 295 wasn't possible */
294 char_u conv_rest[CONV_RESTLEN]; 296 char_u conv_rest[CONV_RESTLEN];
295 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ 297 int conv_restlen = 0; /* nr of bytes in conv_rest[] */
296 #endif 298 #endif
297 299
300 #ifdef FEAT_AUTOCMD
301 /* Remember the initial values of curbuf, curbuf->b_ffname and
302 * curbuf->b_fname to detect whether they are altered as a result of
303 * executing nasty autocommands. Also check if "fname" and "sfname"
304 * point to one of these values. */
305 buf_T *old_curbuf = curbuf;
306 char_u *old_b_ffname = curbuf->b_ffname;
307 char_u *old_b_fname = curbuf->b_fname;
308 int using_b_ffname = (fname == curbuf->b_ffname)
309 || (sfname == curbuf->b_ffname);
310 int using_b_fname = (fname == curbuf->b_fname)
311 || (sfname == curbuf->b_fname);
312 #endif
298 write_no_eol_lnum = 0; /* in case it was set by the previous read */ 313 write_no_eol_lnum = 0; /* in case it was set by the previous read */
299 314
300 /* 315 /*
301 * If there is no file name yet, use the one for the read file. 316 * If there is no file name yet, use the one for the read file.
302 * BF_NOTEDITED is set to reflect this. 317 * BF_NOTEDITED is set to reflect this.
587 * that we are editing this file. Don't do this for a 602 * that we are editing this file. Don't do this for a
588 * "nofile" or "nowrite" buffer type. */ 603 * "nofile" or "nowrite" buffer type. */
589 #ifdef FEAT_QUICKFIX 604 #ifdef FEAT_QUICKFIX
590 if (!bt_dontwrite(curbuf)) 605 if (!bt_dontwrite(curbuf))
591 #endif 606 #endif
607 {
592 check_need_swap(newfile); 608 check_need_swap(newfile);
609 #ifdef FEAT_AUTOCMD
610 /* SwapExists autocommand may mess things up */
611 if (curbuf != old_curbuf
612 || (using_b_ffname
613 && (old_b_ffname != curbuf->b_ffname))
614 || (using_b_fname
615 && (old_b_fname != curbuf->b_fname)))
616 {
617 EMSG(_(e_auchangedbuf));
618 return FAIL;
619 }
620 #endif
621 }
593 if (dir_of_file_exists(fname)) 622 if (dir_of_file_exists(fname))
594 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); 623 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0);
595 else 624 else
596 filemess(curbuf, sfname, 625 filemess(curbuf, sfname,
597 (char_u *)_("[New DIRECTORY]"), 0); 626 (char_u *)_("[New DIRECTORY]"), 0);
666 #ifdef FEAT_QUICKFIX 695 #ifdef FEAT_QUICKFIX
667 if (!bt_dontwrite(curbuf)) 696 if (!bt_dontwrite(curbuf))
668 #endif 697 #endif
669 { 698 {
670 check_need_swap(newfile); 699 check_need_swap(newfile);
700 #ifdef FEAT_AUTOCMD
701 if (!read_stdin && (curbuf != old_curbuf
702 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname))
703 || (using_b_fname && (old_b_fname != curbuf->b_fname))))
704 {
705 EMSG(_(e_auchangedbuf));
706 if (!read_buffer)
707 close(fd);
708 return FAIL;
709 }
710 #endif
671 #ifdef UNIX 711 #ifdef UNIX
672 /* Set swap file protection bits after creating it. */ 712 /* Set swap file protection bits after creating it. */
673 if (swap_mode > 0 && curbuf->b_ml.ml_mfp->mf_fname != NULL) 713 if (swap_mode > 0 && curbuf->b_ml.ml_mfp->mf_fname != NULL)
674 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); 714 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode);
675 #endif 715 #endif
696 #ifdef FEAT_AUTOCMD 736 #ifdef FEAT_AUTOCMD
697 if (!read_buffer) 737 if (!read_buffer)
698 { 738 {
699 int m = msg_scroll; 739 int m = msg_scroll;
700 int n = msg_scrolled; 740 int n = msg_scrolled;
701 buf_T *old_curbuf = curbuf;
702 741
703 /* 742 /*
704 * The file must be closed again, the autocommands may want to change 743 * The file must be closed again, the autocommands may want to change
705 * the file before reading it. 744 * the file before reading it.
706 */ 745 */
738 } 777 }
739 #endif 778 #endif
740 /* 779 /*
741 * Don't allow the autocommands to change the current buffer. 780 * Don't allow the autocommands to change the current buffer.
742 * Try to re-open the file. 781 * Try to re-open the file.
782 *
783 * Don't allow the autocommands to change the buffer name either
784 * (cd for example) if it invalidates fname or sfname.
743 */ 785 */
744 if (!read_stdin && (curbuf != old_curbuf 786 if (!read_stdin && (curbuf != old_curbuf
787 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname))
788 || (using_b_fname && (old_b_fname != curbuf->b_fname))
745 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) 789 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0))
746 { 790 {
747 --no_wait_return; 791 --no_wait_return;
748 msg_scroll = msg_save; 792 msg_scroll = msg_save;
749 if (fd < 0) 793 if (fd < 0)
6318 return FALSE; 6362 return FALSE;
6319 } 6363 }
6320 6364
6321 if (!stuff_empty() || global_busy || !typebuf_typed() 6365 if (!stuff_empty() || global_busy || !typebuf_typed()
6322 #ifdef FEAT_AUTOCMD 6366 #ifdef FEAT_AUTOCMD
6323 || autocmd_busy || curbuf_lock > 0 6367 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0
6324 #endif 6368 #endif
6325 ) 6369 )
6326 need_check_timestamps = TRUE; /* check later */ 6370 need_check_timestamps = TRUE; /* check later */
6327 else 6371 else
6328 { 6372 {
6520 busy = TRUE; 6564 busy = TRUE;
6521 # ifdef FEAT_EVAL 6565 # ifdef FEAT_EVAL
6522 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); 6566 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1);
6523 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); 6567 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1);
6524 # endif 6568 # endif
6569 ++allbuf_lock;
6525 n = apply_autocmds(EVENT_FILECHANGEDSHELL, 6570 n = apply_autocmds(EVENT_FILECHANGEDSHELL,
6526 buf->b_fname, buf->b_fname, FALSE, buf); 6571 buf->b_fname, buf->b_fname, FALSE, buf);
6572 --allbuf_lock;
6527 busy = FALSE; 6573 busy = FALSE;
6528 if (n) 6574 if (n)
6529 { 6575 {
6530 if (!buf_valid(buf)) 6576 if (!buf_valid(buf))
6531 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); 6577 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));