1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
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.
11 * fileio.c: read from and write to a file
14 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64)
15 # include "vimio.h" /* for lseek(), must be before vim.h */
19 # include "vimio.h" /* for mktemp(), CJW 1997-12-03 */
25 # include <limits.h> /* for SSIZE_MAX */
28 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
29 # include <utime.h> /* for struct utimbuf */
32 #define BUFSIZE 8192 /* size of normal write buffer */
33 #define SMBUFSIZE 256 /* size of emergency write buffer */
36 # define CRYPT_MAGIC "VimCrypt~01!" /* "01" is the version nr */
37 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */
40 /* Is there any system that doesn't have access()? */
41 #define USE_MCH_ACCESS
43 #if defined(sun) && defined(S_ISCHR)
44 # define OPEN_CHR_FILES
45 static int is_dev_fd_file(char_u
*fname
);
48 static char_u
*next_fenc
__ARGS((char_u
**pp
));
50 static char_u
*readfile_charconvert
__ARGS((char_u
*fname
, char_u
*fenc
, int *fdp
));
54 static void check_marks_read
__ARGS((void));
57 static char_u
*check_for_cryptkey
__ARGS((char_u
*cryptkey
, char_u
*ptr
, long *sizep
, long *filesizep
, int newfile
));
60 static void set_file_time
__ARGS((char_u
*fname
, time_t atime
, time_t mtime
));
62 static int set_rw_fname
__ARGS((char_u
*fname
, char_u
*sfname
));
63 static int msg_add_fileformat
__ARGS((int eol_type
));
64 static void msg_add_eol
__ARGS((void));
65 static int check_mtime
__ARGS((buf_T
*buf
, struct stat
*s
));
66 static int time_differs
__ARGS((long t1
, long t2
));
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
));
71 # define AUGROUP_DEFAULT -1 /* default autocmd group */
72 # define AUGROUP_ERROR -2 /* errornouse autocmd group */
73 # define AUGROUP_ALL -3 /* all autocmd groups */
76 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE)
78 # define FIO_LATIN1 0x01 /* convert Latin1 */
79 # define FIO_UTF8 0x02 /* convert UTF-8 */
80 # define FIO_UCS2 0x04 /* convert UCS-2 */
81 # define FIO_UCS4 0x08 /* convert UCS-4 */
82 # define FIO_UTF16 0x10 /* convert UTF-16 */
84 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */
85 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */
86 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */
89 # define FIO_MACROMAN 0x20 /* convert MacRoman */
91 # define FIO_ENDIAN_L 0x80 /* little endian */
92 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */
93 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */
94 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */
95 # define FIO_ALL -1 /* allow all formats */
98 /* When converting, a read() or write() may leave some bytes to be converted
99 * for the next call. The value is guessed... */
100 #define CONV_RESTLEN 30
102 /* We have to guess how much a sequence of bytes may expand when converting
103 * with iconv() to be able to allocate a buffer. */
107 * Structure to pass arguments from buf_write() to buf_write_bytes().
111 int bw_fd
; /* file descriptor */
112 char_u
*bw_buf
; /* buffer with data to be written */
113 int bw_len
; /* length of data */
115 int bw_flags
; /* FIO_ flags */
118 char_u bw_rest
[CONV_RESTLEN
]; /* not converted bytes */
119 int bw_restlen
; /* nr of bytes in bw_rest[] */
120 int bw_first
; /* first write call */
121 char_u
*bw_conv_buf
; /* buffer for writing converted chars */
122 int bw_conv_buflen
; /* size of bw_conv_buf */
123 int bw_conv_error
; /* set for conversion error */
125 iconv_t bw_iconv_fd
; /* descriptor for iconv() or -1 */
130 static int buf_write_bytes
__ARGS((struct bw_info
*ip
));
133 static linenr_T readfile_linenr
__ARGS((linenr_T linecnt
, char_u
*p
, char_u
*endp
));
134 static int ucs2bytes
__ARGS((unsigned c
, char_u
**pp
, int flags
));
135 static int same_encoding
__ARGS((char_u
*a
, char_u
*b
));
136 static int get_fio_flags
__ARGS((char_u
*ptr
));
137 static char_u
*check_for_bom
__ARGS((char_u
*p
, long size
, int *lenp
, int flags
));
138 static int make_bom
__ARGS((char_u
*buf
, char_u
*name
));
140 static int get_win_fio_flags
__ARGS((char_u
*ptr
));
143 static int get_mac_fio_flags
__ARGS((char_u
*ptr
));
146 static int move_lines
__ARGS((buf_T
*frombuf
, buf_T
*tobuf
));
150 filemess(buf
, name
, s
, attr
)
160 msg_add_fname(buf
, name
); /* put file name in IObuff with quotes */
161 /* If it's extremely long, truncate it. */
162 if (STRLEN(IObuff
) > IOSIZE
- 80)
163 IObuff
[IOSIZE
- 80] = NUL
;
166 * For the first message may have to start a new line.
167 * For further ones overwrite the previous one, reset msg_scroll before
168 * calling filemess().
170 msg_scroll_save
= msg_scroll
;
171 if (shortmess(SHM_OVERALL
) && !exiting
&& p_verbose
== 0)
173 if (!msg_scroll
) /* wait a bit when overwriting an error msg */
174 check_for_delay(FALSE
);
176 msg_scroll
= msg_scroll_save
;
177 msg_scrolled_ign
= TRUE
;
178 /* may truncate the message to avoid a hit-return prompt */
179 msg_outtrans_attr(msg_may_trunc(FALSE
, IObuff
), attr
);
182 msg_scrolled_ign
= FALSE
;
186 * Read lines from file "fname" into the buffer after line "from".
188 * 1. We allocate blocks with lalloc, as big as possible.
189 * 2. Each block is filled with characters from the file with a single read().
190 * 3. The lines are inserted in the buffer with ml_append().
192 * (caller must check that fname != NULL, unless READ_STDIN is used)
194 * "lines_to_skip" is the number of lines that must be skipped
195 * "lines_to_read" is the number of lines that are appended
196 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM.
199 * READ_NEW starting to edit a new buffer
200 * READ_FILTER reading filter output
201 * READ_STDIN read from stdin instead of a file
202 * READ_BUFFER read from curbuf instead of a file (converting after reading
204 * READ_DUMMY read into a dummy buffer (to check if file contents changed)
206 * return FAIL for failure, OK otherwise
209 readfile(fname
, sfname
, from
, lines_to_skip
, lines_to_read
, eap
, flags
)
213 linenr_T lines_to_skip
;
214 linenr_T lines_to_read
;
215 exarg_T
*eap
; /* can be NULL! */
219 int newfile
= (flags
& READ_NEW
);
221 int filtering
= (flags
& READ_FILTER
);
222 int read_stdin
= (flags
& READ_STDIN
);
223 int read_buffer
= (flags
& READ_BUFFER
);
224 int set_options
= newfile
|| read_buffer
225 || (eap
!= NULL
&& eap
->read_edit
);
226 linenr_T read_buf_lnum
= 1; /* next line to read from curbuf */
227 colnr_T read_buf_col
= 0; /* next char to read from this line */
229 linenr_T lnum
= from
;
230 char_u
*ptr
= NULL
; /* pointer into read buffer */
231 char_u
*buffer
= NULL
; /* read buffer */
232 char_u
*new_buffer
= NULL
; /* init to shut up gcc */
233 char_u
*line_start
= NULL
; /* init to shut up gcc */
234 int wasempty
; /* buffer was empty before reading */
239 int skip_read
= FALSE
;
241 char_u
*cryptkey
= NULL
;
243 int split
= 0; /* number of split lines */
244 #define UNKNOWN 0x0fffffff /* file size is unknown */
246 int error
= FALSE
; /* errors encountered */
247 int ff_error
= EOL_UNKNOWN
; /* file format with errors */
248 long linerest
= 0; /* remaining chars in line */
251 int swap_mode
= -1; /* protection bits for swap file */
255 int fileformat
= 0; /* end-of-line format */
256 int keep_fileformat
= FALSE
;
259 linenr_T skip_count
= 0;
260 linenr_T read_count
= 0;
261 int msg_save
= msg_scroll
;
262 linenr_T read_no_eol_lnum
= 0; /* non-zero lnum when last line of
263 * last read was missing the eol */
264 int try_mac
= (vim_strchr(p_ffs
, 'm') != NULL
);
265 int try_dos
= (vim_strchr(p_ffs
, 'd') != NULL
);
266 int try_unix
= (vim_strchr(p_ffs
, 'x') != NULL
);
267 int file_rewind
= FALSE
;
270 linenr_T conv_error
= 0; /* line nr with conversion error */
271 linenr_T illegal_byte
= 0; /* line nr with illegal byte */
272 int keep_dest_enc
= FALSE
; /* don't retry when char doesn't fit
273 in destination encoding */
274 int bad_char_behavior
= BAD_REPLACE
;
275 /* BAD_KEEP, BAD_DROP or character to
277 char_u
*tmpname
= NULL
; /* name of 'charconvert' output file */
279 char_u
*fenc
; /* fileencoding to use */
280 int fenc_alloced
; /* fenc_next is in allocated memory */
281 char_u
*fenc_next
= NULL
; /* next item in 'fencs' or NULL */
282 int advance_fenc
= FALSE
;
285 iconv_t iconv_fd
= (iconv_t
)-1; /* descriptor for iconv() or -1 */
287 int did_iconv
= FALSE
; /* TRUE when iconv() failed and trying
288 'charconvert' next */
291 int converted
= FALSE
; /* TRUE if conversion done */
292 int notconverted
= FALSE
; /* TRUE if conversion wanted but it
294 char_u conv_rest
[CONV_RESTLEN
];
295 int conv_restlen
= 0; /* nr of bytes in conv_rest[] */
298 write_no_eol_lnum
= 0; /* in case it was set by the previous read */
301 * If there is no file name yet, use the one for the read file.
302 * BF_NOTEDITED is set to reflect this.
303 * Don't do this for a read from a filter.
304 * Only do this when 'cpoptions' contains the 'f' flag.
306 if (curbuf
->b_ffname
== NULL
309 && vim_strchr(p_cpo
, CPO_FNAMER
) != NULL
310 && !(flags
& READ_DUMMY
))
312 if (set_rw_fname(fname
, sfname
) == FAIL
)
316 /* After reading a file the cursor line changes but we don't want to
317 * display the line. */
318 ex_no_reprint
= TRUE
;
320 /* don't display the file info for another buffer now */
321 need_fileinfo
= FALSE
;
324 * For Unix: Use the short file name whenever possible.
325 * Avoids problems with networks and when directory names are changed.
326 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
327 * another directory, which we don't detect.
331 #if defined(UNIX) || defined(__EMX__)
337 * The BufReadCmd and FileReadCmd events intercept the reading process by
338 * executing the associated commands instead.
340 if (!filtering
&& !read_stdin
&& !read_buffer
)
344 pos
= curbuf
->b_op_start
;
346 /* Set '[ mark to the line above where the lines go (line 1 if zero). */
347 curbuf
->b_op_start
.lnum
= ((from
== 0) ? 1 : from
);
348 curbuf
->b_op_start
.col
= 0;
352 if (apply_autocmds_exarg(EVENT_BUFREADCMD
, NULL
, sfname
,
355 return aborting() ? FAIL
: OK
;
360 else if (apply_autocmds_exarg(EVENT_FILEREADCMD
, sfname
, sfname
,
363 return aborting() ? FAIL
: OK
;
368 curbuf
->b_op_start
= pos
;
372 if ((shortmess(SHM_OVER
) || curbuf
->b_help
) && p_verbose
== 0)
373 msg_scroll
= FALSE
; /* overwrite previous file message */
375 msg_scroll
= TRUE
; /* don't overwrite previous file message */
378 * If the name ends in a path separator, we can't open it. Check here,
379 * because reading the file may actually work, but then creating the swap
380 * file may destroy it! Reported on MS-DOS and Win 95.
381 * If the name is too long we might crash further on, quit here.
383 if (fname
!= NULL
&& *fname
!= NUL
)
385 p
= fname
+ STRLEN(fname
);
386 if (after_pathsep(fname
, p
) || STRLEN(fname
) >= MAXPATHL
)
388 filemess(curbuf
, fname
, (char_u
*)_("Illegal file name"), 0);
390 msg_scroll
= msg_save
;
397 * On Unix it is possible to read a directory, so we have to
398 * check for it before the mch_open().
400 if (!read_stdin
&& !read_buffer
)
402 perm
= mch_getperm(fname
);
403 if (perm
>= 0 && !S_ISREG(perm
) /* not a regular file ... */
405 && !S_ISFIFO(perm
) /* ... or fifo */
408 && !S_ISSOCK(perm
) /* ... or socket */
410 # ifdef OPEN_CHR_FILES
411 && !(S_ISCHR(perm
) && is_dev_fd_file(fname
))
412 /* ... or a character special file named /dev/fd/<n> */
417 filemess(curbuf
, fname
, (char_u
*)_("is a directory"), 0);
419 filemess(curbuf
, fname
, (char_u
*)_("is not a file"), 0);
421 msg_scroll
= msg_save
;
425 # if defined(MSDOS) || defined(MSWIN) || defined(OS2)
427 * MS-Windows allows opening a device, but we will probably get stuck
430 if (!p_odev
&& mch_nodetype(fname
) == NODE_WRITABLE
)
432 filemess(curbuf
, fname
, (char_u
*)_("is a device (disabled with 'opendevice' option)"), 0);
434 msg_scroll
= msg_save
;
441 /* set default 'fileformat' */
444 if (eap
!= NULL
&& eap
->force_ff
!= 0)
445 set_fileformat(get_fileformat_force(curbuf
, eap
), OPT_LOCAL
);
446 else if (*p_ffs
!= NUL
)
447 set_fileformat(default_fileformat(), OPT_LOCAL
);
450 /* set or reset 'binary' */
451 if (eap
!= NULL
&& eap
->force_bin
!= 0)
453 int oldval
= curbuf
->b_p_bin
;
455 curbuf
->b_p_bin
= (eap
->force_bin
== FORCE_BIN
);
456 set_options_bin(oldval
, curbuf
->b_p_bin
, OPT_LOCAL
);
460 * When opening a new file we take the readonly flag from the file.
461 * Default is r/w, can be set to r/o below.
462 * Don't reset it when in readonly mode
463 * Only set/reset b_p_ro when BF_CHECK_RO is set.
465 check_readonly
= (newfile
&& (curbuf
->b_flags
& BF_CHECK_RO
));
466 if (check_readonly
&& !readonlymode
)
467 curbuf
->b_p_ro
= FALSE
;
469 if (newfile
&& !read_stdin
&& !read_buffer
)
471 /* Remember time of file.
472 * For RISCOS, also remember the filetype.
474 if (mch_stat((char *)fname
, &st
) >= 0)
476 buf_store_time(curbuf
, &st
, fname
);
477 curbuf
->b_mtime_read
= curbuf
->b_mtime
;
479 #if defined(RISCOS) && defined(FEAT_OSFILETYPE)
480 /* Read the filetype into the buffer local filetype option. */
481 mch_read_filetype(fname
);
485 * Use the protection bits of the original file for the swap file.
486 * This makes it possible for others to read the name of the
487 * edited file from the swapfile, but only if they can read the
489 * Remove the "write" and "execute" bits for group and others
490 * (they must not write the swapfile).
491 * Add the "read" and "write" bits for the user, otherwise we may
492 * not be able to write to the file ourselves.
493 * Setting the bits is done below, after creating the swap file.
495 swap_mode
= (st
.st_mode
& 0644) | 0600;
497 #ifdef FEAT_CW_EDITOR
498 /* Get the FSSpec on MacOS
499 * TODO: Update it properly when the buffer name changes
501 (void)GetFSSpecFromPath(curbuf
->b_ffname
, &curbuf
->b_FSSpec
);
504 curbuf
->b_fab_rfm
= st
.st_fab_rfm
;
505 curbuf
->b_fab_rat
= st
.st_fab_rat
;
506 curbuf
->b_fab_mrs
= st
.st_fab_mrs
;
512 curbuf
->b_mtime_read
= 0;
513 curbuf
->b_orig_size
= 0;
514 curbuf
->b_orig_mode
= 0;
517 /* Reset the "new file" flag. It will be set again below when the
518 * file doesn't exist. */
519 curbuf
->b_flags
&= ~(BF_NEW
| BF_NEW_W
);
523 * for UNIX: check readonly with perm and mch_access()
524 * for RISCOS: same as Unix, otherwise file gets re-datestamped!
525 * for MSDOS and Amiga: check readonly by trying to open the file for writing
527 file_readonly
= FALSE
;
530 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
531 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */
532 setmode(0, O_BINARY
);
535 else if (!read_buffer
)
537 #ifdef USE_MCH_ACCESS
542 mch_access((char *)fname
, W_OK
))
543 file_readonly
= TRUE
;
544 fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
548 || (fd
= mch_open((char *)fname
, O_RDWR
| O_EXTRA
, 0)) < 0)
550 file_readonly
= TRUE
;
552 fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
557 if (fd
< 0) /* cannot open at all */
562 msg_scroll
= msg_save
;
565 * On MSDOS and Amiga we can't open a directory, check here.
567 isdir_f
= (mch_isdir(fname
));
568 perm
= mch_getperm(fname
); /* check if the file exists */
571 filemess(curbuf
, sfname
, (char_u
*)_("is a directory"), 0);
572 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
581 * Set the 'new-file' flag, so that when the file has
582 * been created by someone else, a ":w" will complain.
584 curbuf
->b_flags
|= BF_NEW
;
586 /* Create a swap file now, so that other Vims are warned
587 * that we are editing this file. Don't do this for a
588 * "nofile" or "nowrite" buffer type. */
590 if (!bt_dontwrite(curbuf
))
592 check_need_swap(newfile
);
593 if (dir_of_file_exists(fname
))
594 filemess(curbuf
, sfname
, (char_u
*)_("[New File]"), 0);
596 filemess(curbuf
, sfname
,
597 (char_u
*)_("[New DIRECTORY]"), 0);
599 /* Even though this is a new file, it might have been
600 * edited before and deleted. Get the old marks. */
604 if (eap
!= NULL
&& eap
->force_enc
!= 0)
606 /* set forced 'fileencoding' */
607 fenc
= enc_canonize(eap
->cmd
+ eap
->force_enc
);
609 set_string_option_direct((char_u
*)"fenc", -1,
610 fenc
, OPT_FREE
|OPT_LOCAL
, 0);
615 apply_autocmds_exarg(EVENT_BUFNEWFILE
, sfname
, sfname
,
618 /* remember the current fileformat */
619 save_file_ff(curbuf
);
621 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
622 if (aborting()) /* autocmds may abort script processing */
625 return OK
; /* a new file is not an error */
629 filemess(curbuf
, sfname
, (char_u
*)(
631 (errno
== EFBIG
) ? _("[File too big]") :
633 _("[Permission Denied]")), 0);
634 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
642 * Only set the 'ro' flag for readonly files the first time they are
643 * loaded. Help files always get readonly mode
645 if ((check_readonly
&& file_readonly
) || curbuf
->b_help
)
646 curbuf
->b_p_ro
= TRUE
;
650 /* Don't change 'eol' if reading from buffer as it will already be
651 * correctly set when reading stdin. */
654 curbuf
->b_p_eol
= TRUE
;
655 curbuf
->b_start_eol
= TRUE
;
658 curbuf
->b_p_bomb
= FALSE
;
659 curbuf
->b_start_bomb
= FALSE
;
663 /* Create a swap file now, so that other Vims are warned that we are
665 * Don't do this for a "nofile" or "nowrite" buffer type. */
667 if (!bt_dontwrite(curbuf
))
670 check_need_swap(newfile
);
672 /* Set swap file protection bits after creating it. */
673 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
);
678 #if defined(HAS_SWAP_EXISTS_ACTION)
679 /* If "Quit" selected at ATTENTION dialog, don't load the file */
680 if (swap_exists_action
== SEA_QUIT
)
682 if (!read_buffer
&& !read_stdin
)
688 ++no_wait_return
; /* don't wait for return yet */
691 * Set '[ mark to the line above where the lines go (line 1 if zero).
693 curbuf
->b_op_start
.lnum
= ((from
== 0) ? 1 : from
);
694 curbuf
->b_op_start
.col
= 0;
700 int n
= msg_scrolled
;
701 buf_T
*old_curbuf
= curbuf
;
704 * The file must be closed again, the autocommands may want to change
705 * the file before reading it.
708 close(fd
); /* ignore errors */
711 * The output from the autocommands should not overwrite anything and
712 * should not be overwritten: Set msg_scroll, restore its value if no
717 apply_autocmds_exarg(EVENT_FILTERREADPRE
, NULL
, sfname
,
720 apply_autocmds_exarg(EVENT_STDINREADPRE
, NULL
, sfname
,
723 apply_autocmds_exarg(EVENT_BUFREADPRE
, NULL
, sfname
,
726 apply_autocmds_exarg(EVENT_FILEREADPRE
, sfname
, sfname
,
728 if (msg_scrolled
== n
)
732 if (aborting()) /* autocmds may abort script processing */
735 msg_scroll
= msg_save
;
736 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
741 * Don't allow the autocommands to change the current buffer.
742 * Try to re-open the file.
744 if (!read_stdin
&& (curbuf
!= old_curbuf
745 || (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) < 0))
748 msg_scroll
= msg_save
;
750 EMSG(_("E200: *ReadPre autocommands made the file unreadable"));
752 EMSG(_("E201: *ReadPre autocommands must not change current buffer"));
753 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
757 #endif /* FEAT_AUTOCMD */
759 /* Autocommands may add lines to the file, need to check if it is empty */
760 wasempty
= (curbuf
->b_ml
.ml_flags
& ML_EMPTY
);
762 if (!recoverymode
&& !filtering
&& !(flags
& READ_DUMMY
))
765 * Show the user that we are busy reading the input. Sometimes this
766 * may take a while. When reading from stdin another program may
767 * still be running, don't move the cursor to the last line, unless
768 * always using the GUI.
772 #ifndef ALWAYS_USE_GUI
773 mch_msg(_("Vim: Reading from stdin...\n"));
776 /* Also write a message in the GUI window, if there is one. */
777 if (gui
.in_use
&& !gui
.dying
&& !gui
.starting
)
779 p
= (char_u
*)_("Reading from stdin...");
780 gui_write(p
, (int)STRLEN(p
));
784 else if (!read_buffer
)
785 filemess(curbuf
, sfname
, (char_u
*)"", 0);
788 msg_scroll
= FALSE
; /* overwrite the file message */
791 * Set linecnt now, before the "retry" caused by a wrong guess for
792 * fileformat, and after the autocommands, which may change them.
794 linecnt
= curbuf
->b_ml
.ml_line_count
;
797 /* "++bad=" argument. */
798 if (eap
!= NULL
&& eap
->bad_char
!= 0)
800 bad_char_behavior
= eap
->bad_char
;
802 curbuf
->b_bad_char
= eap
->bad_char
;
805 curbuf
->b_bad_char
= 0;
808 * Decide which 'encoding' to use or use first.
810 if (eap
!= NULL
&& eap
->force_enc
!= 0)
812 fenc
= enc_canonize(eap
->cmd
+ eap
->force_enc
);
814 keep_dest_enc
= TRUE
;
816 else if (curbuf
->b_p_bin
)
818 fenc
= (char_u
*)""; /* binary: don't convert */
819 fenc_alloced
= FALSE
;
821 else if (curbuf
->b_help
)
823 char_u firstline
[80];
826 /* Help files are either utf-8 or latin1. Try utf-8 first, if this
827 * fails it must be latin1.
828 * Always do this when 'encoding' is "utf-8". Otherwise only do
829 * this when needed to avoid [converted] remarks all the time.
830 * It is needed when the first line contains non-ASCII characters.
831 * That is only in *.??x files. */
832 fenc
= (char_u
*)"latin1";
834 if (!c
&& !read_stdin
)
836 fc
= fname
[STRLEN(fname
) - 1];
837 if (TOLOWER_ASC(fc
) == 'x')
839 /* Read the first line (and a bit more). Immediately rewind to
840 * the start of the file. If the read() fails "len" is -1. */
841 len
= vim_read(fd
, firstline
, 80);
842 lseek(fd
, (off_t
)0L, SEEK_SET
);
843 for (p
= firstline
; p
< firstline
+ len
; ++p
)
855 fenc
= (char_u
*)"utf-8";
857 /* When the file is utf-8 but a character doesn't fit in
858 * 'encoding' don't retry. In help text editing utf-8 bytes
859 * doesn't make sense. */
861 keep_dest_enc
= TRUE
;
863 fenc_alloced
= FALSE
;
865 else if (*p_fencs
== NUL
)
867 fenc
= curbuf
->b_p_fenc
; /* use format from buffer */
868 fenc_alloced
= FALSE
;
872 fenc_next
= p_fencs
; /* try items in 'fileencodings' */
873 fenc
= next_fenc(&fenc_next
);
879 * Jump back here to retry reading the file in different ways.
881 * - encoding conversion failed: try another one from "fenc_next"
882 * - BOM detected and fenc was set, need to setup conversion
883 * - "fileformat" check failed: try another
885 * Variables set for special retry actions:
886 * "file_rewind" Rewind the file to start reading it again.
887 * "advance_fenc" Advance "fenc" using "fenc_next".
888 * "skip_read" Re-use already read bytes (BOM detected).
889 * "did_iconv" iconv() conversion failed, try 'charconvert'.
890 * "keep_fileformat" Don't reset "fileformat".
892 * Other status indicators:
893 * "tmpname" When != NULL did conversion with 'charconvert'.
894 * Output file has to be deleted afterwards.
895 * "iconv_fd" When != -1 did conversion with iconv().
906 else if (read_stdin
|| lseek(fd
, (off_t
)0L, SEEK_SET
) != 0)
908 /* Can't rewind the file, give up. */
912 /* Delete the previously read lines. */
914 ml_delete(lnum
--, FALSE
);
919 curbuf
->b_p_bomb
= FALSE
;
920 curbuf
->b_start_bomb
= FALSE
;
927 * When retrying with another "fenc" and the first time "fileformat"
931 keep_fileformat
= FALSE
;
934 if (eap
!= NULL
&& eap
->force_ff
!= 0)
936 fileformat
= get_fileformat_force(curbuf
, eap
);
937 try_unix
= try_dos
= try_mac
= FALSE
;
939 else if (curbuf
->b_p_bin
)
940 fileformat
= EOL_UNIX
; /* binary: use Unix format */
941 else if (*p_ffs
== NUL
)
942 fileformat
= get_fileformat(curbuf
);/* use format from buffer */
944 fileformat
= EOL_UNKNOWN
; /* detect from file */
949 if (iconv_fd
!= (iconv_t
)-1)
951 /* aborted conversion with iconv(), close the descriptor */
952 iconv_close(iconv_fd
);
953 iconv_fd
= (iconv_t
)-1;
960 * Try the next entry in 'fileencodings'.
962 advance_fenc
= FALSE
;
964 if (eap
!= NULL
&& eap
->force_enc
!= 0)
966 /* Conversion given with "++cc=" wasn't possible, read
967 * without conversion. */
973 fenc_alloced
= FALSE
;
979 if (fenc_next
!= NULL
)
981 fenc
= next_fenc(&fenc_next
);
982 fenc_alloced
= (fenc_next
!= NULL
);
987 fenc_alloced
= FALSE
;
992 mch_remove(tmpname
); /* delete converted file */
999 * Conversion is required when the encoding of the file is different
1000 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4 (requires
1001 * conversion to UTF-8).
1004 converted
= (*fenc
!= NUL
&& !same_encoding(p_enc
, fenc
));
1005 if (converted
|| enc_unicode
!= 0)
1008 /* "ucs-bom" means we need to check the first bytes of the file
1010 if (STRCMP(fenc
, ENC_UCSBOM
) == 0)
1011 fio_flags
= FIO_UCSBOM
;
1014 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be
1015 * done. This is handled below after read(). Prepare the
1016 * fio_flags to avoid having to parse the string each time.
1017 * Also check for Unicode to Latin1 conversion, because iconv()
1018 * appears not to handle this correctly. This works just like
1019 * conversion to UTF-8 except how the resulting character is put in
1022 else if (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
1023 fio_flags
= get_fio_flags(fenc
);
1027 * Conversion from an MS-Windows codepage to UTF-8 or another codepage
1028 * is handled with MultiByteToWideChar().
1031 fio_flags
= get_win_fio_flags(fenc
);
1035 /* Conversion from Apple MacRoman to latin1 or UTF-8 */
1037 fio_flags
= get_mac_fio_flags(fenc
);
1042 * Try using iconv() if we can't convert internally.
1049 iconv_fd
= (iconv_t
)my_iconv_open(
1050 enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
);
1055 * Use the 'charconvert' expression when conversion is required
1056 * and we can't do it internally or with iconv().
1058 if (fio_flags
== 0 && !read_stdin
&& !read_buffer
&& *p_ccv
!= NUL
1060 && iconv_fd
== (iconv_t
)-1
1067 /* Skip conversion when it's already done (retry for wrong
1069 if (tmpname
== NULL
)
1071 tmpname
= readfile_charconvert(fname
, fenc
, &fd
);
1072 if (tmpname
== NULL
)
1074 /* Conversion failed. Try another one. */
1075 advance_fenc
= TRUE
;
1078 /* Re-opening the original file failed! */
1079 EMSG(_("E202: Conversion made file unreadable!"));
1092 && iconv_fd
== (iconv_t
)-1
1096 /* Conversion wanted but we can't.
1097 * Try the next conversion in 'fileencodings' */
1098 advance_fenc
= TRUE
;
1104 /* Set "can_retry" when it's possible to rewind the file and try with
1105 * another "fenc" value. It's FALSE when no other "fenc" to try, reading
1106 * stdin or fixed at a specific encoding. */
1107 can_retry
= (*fenc
!= NUL
&& !read_stdin
&& !keep_dest_enc
);
1114 skip_count
= lines_to_skip
;
1115 read_count
= lines_to_read
;
1121 while (!error
&& !got_int
)
1124 * We allocate as much space for the file as we can get, plus
1125 * space for the old line plus room for one terminating NUL.
1126 * The amount is limited by the fact that read() only can read
1127 * upto max_unsigned characters (and other things).
1130 if (linerest
>= 0x7ff0)
1133 *ptr
= NL
; /* split line by inserting a NL */
1142 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L)
1143 size
= SSIZE_MAX
; /* use max I/O size, 52K */
1145 size
= 0x10000L
; /* use buffer >= 64K */
1148 size
= 0x7ff0L
- linerest
; /* limit buffer to 32K */
1151 for ( ; size
>= 10; size
= (long)((long_u
)size
>> 1))
1153 if ((new_buffer
= lalloc((long_u
)(size
+ linerest
+ 1),
1157 if (new_buffer
== NULL
)
1159 do_outofmem_msg((long_u
)(size
* 2 + linerest
+ 1));
1163 if (linerest
) /* copy characters from the previous buffer */
1164 mch_memmove(new_buffer
, ptr
- linerest
, (size_t)linerest
);
1166 buffer
= new_buffer
;
1167 ptr
= buffer
+ linerest
;
1168 line_start
= buffer
;
1171 /* May need room to translate into.
1172 * For iconv() we don't really know the required space, use a
1173 * factor ICONV_MULT.
1174 * latin1 to utf-8: 1 byte becomes up to 2 bytes
1175 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes
1176 * become up to 4 bytes, size must be multiple of 2
1177 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be
1179 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be
1181 real_size
= (int)size
;
1183 if (iconv_fd
!= (iconv_t
)-1)
1184 size
= size
/ ICONV_MULT
;
1187 if (fio_flags
& FIO_LATIN1
)
1189 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1190 size
= (size
* 2 / 3) & ~1;
1191 else if (fio_flags
& FIO_UCS4
)
1192 size
= (size
* 2 / 3) & ~3;
1193 else if (fio_flags
== FIO_UCSBOM
)
1194 size
= size
/ ICONV_MULT
; /* worst case */
1196 else if (fio_flags
& FIO_CODEPAGE
)
1197 size
= size
/ ICONV_MULT
; /* also worst case */
1200 else if (fio_flags
& FIO_MACROMAN
)
1201 size
= size
/ ICONV_MULT
; /* also worst case */
1206 if (conv_restlen
> 0)
1208 /* Insert unconverted bytes from previous line. */
1209 mch_memmove(ptr
, conv_rest
, conv_restlen
);
1210 ptr
+= conv_restlen
;
1211 size
-= conv_restlen
;
1218 * Read bytes from curbuf. Used for converting text read
1221 if (read_buf_lnum
> from
)
1231 p
= ml_get(read_buf_lnum
) + read_buf_col
;
1233 if ((int)tlen
+ n
+ 1 > size
)
1235 /* Filled up to "size", append partial line.
1236 * Change NL to NUL to reverse the effect done
1238 n
= (int)(size
- tlen
);
1239 for (ni
= 0; ni
< n
; ++ni
)
1244 ptr
[tlen
++] = p
[ni
];
1251 /* Append whole line and new-line. Change NL
1252 * to NUL to reverse the effect done below. */
1253 for (ni
= 0; ni
< n
; ++ni
)
1258 ptr
[tlen
++] = p
[ni
];
1262 if (++read_buf_lnum
> from
)
1264 /* When the last line didn't have an
1265 * end-of-line don't add it now either. */
1266 if (!curbuf
->b_p_eol
)
1278 * Read bytes from the file.
1280 size
= vim_read(fd
, ptr
, size
);
1285 if (size
< 0) /* read error */
1288 else if (conv_restlen
> 0)
1291 * Reached end-of-file but some trailing bytes could
1292 * not be converted. Truncated file?
1295 /* When we did a conversion report an error. */
1298 || iconv_fd
!= (iconv_t
)-1
1302 if (conv_error
== 0)
1303 conv_error
= curbuf
->b_ml
.ml_line_count
1306 /* Remember the first linenr with an illegal byte */
1307 else if (illegal_byte
== 0)
1308 illegal_byte
= curbuf
->b_ml
.ml_line_count
1310 if (bad_char_behavior
== BAD_DROP
)
1312 *(ptr
- conv_restlen
) = NUL
;
1317 /* Replace the trailing bytes with the replacement
1318 * character if we were converting; if we weren't,
1319 * leave the UTF8 checking code to do it, as it
1320 * works slightly differently. */
1321 if (bad_char_behavior
!= BAD_KEEP
&& (fio_flags
!= 0
1323 || iconv_fd
!= (iconv_t
)-1
1327 while (conv_restlen
> 0)
1329 *(--ptr
) = bad_char_behavior
;
1333 fio_flags
= 0; /* don't convert this */
1335 if (iconv_fd
!= (iconv_t
)-1)
1337 iconv_close(iconv_fd
);
1338 iconv_fd
= (iconv_t
)-1;
1348 * At start of file: Check for magic number of encryption.
1351 cryptkey
= check_for_cryptkey(cryptkey
, ptr
, &size
,
1352 &filesize
, newfile
);
1354 * Decrypt the read bytes.
1356 if (cryptkey
!= NULL
&& size
> 0)
1357 for (p
= ptr
; p
< ptr
+ size
; ++p
)
1365 * At start of file (or after crypt magic number): Check for BOM.
1366 * Also check for a BOM for other Unicode encodings, but not after
1367 * converting with 'charconvert' or when a BOM has already been
1372 || (filesize
== CRYPT_MAGIC_LEN
&& cryptkey
!= NULL
)
1375 && (fio_flags
== FIO_UCSBOM
1376 || (!curbuf
->b_p_bomb
1378 && (*fenc
== 'u' || (*fenc
== NUL
&& enc_utf8
)))))
1383 /* no BOM detection in a short file or in binary mode */
1384 if (size
< 2 || curbuf
->b_p_bin
)
1387 ccname
= check_for_bom(ptr
, size
, &blen
,
1388 fio_flags
== FIO_UCSBOM
? FIO_ALL
: get_fio_flags(fenc
));
1391 /* Remove BOM from the text */
1394 mch_memmove(ptr
, ptr
+ blen
, (size_t)size
);
1397 curbuf
->b_p_bomb
= TRUE
;
1398 curbuf
->b_start_bomb
= TRUE
;
1402 if (fio_flags
== FIO_UCSBOM
)
1406 /* No BOM detected: retry with next encoding. */
1407 advance_fenc
= TRUE
;
1411 /* BOM detected: set "fenc" and jump back */
1415 fenc_alloced
= FALSE
;
1417 /* retry reading without getting new bytes or rewinding */
1423 /* Include not converted bytes. */
1424 ptr
-= conv_restlen
;
1425 size
+= conv_restlen
;
1429 * Break here for a read error or end-of-file.
1437 if (iconv_fd
!= (iconv_t
)-1)
1440 * Attempt conversion of the read bytes to 'encoding' using
1448 fromp
= (char *)ptr
;
1452 to_size
= real_size
- size
;
1455 * If there is conversion error or not enough room try using
1456 * another conversion. Except for when there is no
1457 * alternative (help files).
1459 while ((iconv(iconv_fd
, (void *)&fromp
, &from_size
,
1461 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
1462 || from_size
> CONV_RESTLEN
)
1466 if (conv_error
== 0)
1467 conv_error
= readfile_linenr(linecnt
,
1468 ptr
, (char_u
*)top
);
1470 /* Deal with a bad byte and continue with the next. */
1473 if (bad_char_behavior
== BAD_KEEP
)
1475 *top
++ = *(fromp
- 1);
1478 else if (bad_char_behavior
!= BAD_DROP
)
1480 *top
++ = bad_char_behavior
;
1487 /* Some remaining characters, keep them for the next
1489 mch_memmove(conv_rest
, (char_u
*)fromp
, from_size
);
1490 conv_restlen
= (int)from_size
;
1493 /* move the linerest to before the converted characters */
1494 line_start
= ptr
- linerest
;
1495 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1496 size
= (long)((char_u
*)top
- ptr
);
1501 if (fio_flags
& FIO_CODEPAGE
)
1506 int codepage
= FIO_GET_CP(fio_flags
);
1512 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or
1513 * a codepage, using standard MS-Windows functions. This
1514 * requires two steps:
1515 * 1. convert from 'fileencoding' to ucs-2
1516 * 2. convert from ucs-2 to 'encoding'
1518 * Because there may be illegal bytes AND an incomplete byte
1519 * sequence at the end, we may have to do the conversion one
1520 * character at a time to get it right.
1523 /* Replacement string for WideCharToMultiByte(). */
1524 if (bad_char_behavior
> 0)
1525 replstr
[0] = bad_char_behavior
;
1531 * Move the bytes to the end of the buffer, so that we have
1532 * room to put the result at the start.
1534 src
= ptr
+ real_size
- size
;
1535 mch_memmove(src
, ptr
, size
);
1538 * Do the conversion.
1546 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
1547 if (codepage
== CP_UTF8
)
1549 /* Handle CP_UTF8 input ourselves to be able to handle
1550 * trailing bytes properly.
1551 * Get one UTF-8 character from src. */
1552 bytelen
= (int)utf_ptr2len_len(src
, size
);
1555 /* Only got some bytes of a character. Normally
1556 * it's put in "conv_rest", but if it's too long
1557 * deal with it as if they were illegal bytes. */
1558 if (bytelen
<= CONV_RESTLEN
)
1561 /* weird overlong byte sequence */
1567 int u8c
= utf_ptr2char(src
);
1569 if (u8c
> 0xffff || (*src
>= 0x80 && bytelen
== 1))
1578 /* We don't know how long the byte sequence is, try
1579 * from one to three bytes. */
1580 for (bytelen
= 1; bytelen
<= size
&& bytelen
<= 3;
1583 ucs2len
= MultiByteToWideChar(codepage
,
1584 MB_ERR_INVALID_CHARS
,
1585 (LPCSTR
)src
, bytelen
,
1592 /* If we have only one byte then it's probably an
1593 * incomplete byte sequence. Otherwise discard
1594 * one byte as a bad character. */
1606 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */
1609 /* From UCS-2 to UTF-8. Cannot fail. */
1610 for (i
= 0; i
< ucs2len
; ++i
)
1611 dst
+= utf_char2bytes(ucs2buf
[i
], dst
);
1618 /* From UCS-2 to "enc_codepage". If the
1619 * conversion uses the default character "?",
1620 * the data doesn't fit in this encoding. */
1621 dstlen
= WideCharToMultiByte(enc_codepage
, 0,
1622 (LPCWSTR
)ucs2buf
, ucs2len
,
1623 (LPSTR
)dst
, (int)(src
- dst
),
1634 /* Deal with bytes we can't convert. */
1637 if (conv_error
== 0)
1638 conv_error
= readfile_linenr(linecnt
, ptr
, dst
);
1639 if (bad_char_behavior
!= BAD_DROP
)
1641 if (bad_char_behavior
== BAD_KEEP
)
1643 mch_memmove(dst
, src
, bytelen
);
1647 *dst
++ = bad_char_behavior
;
1657 /* An incomplete byte sequence remaining. */
1658 mch_memmove(conv_rest
, src
, size
);
1659 conv_restlen
= size
;
1662 /* The new size is equal to how much "dst" was advanced. */
1663 size
= (long)(dst
- ptr
);
1667 # ifdef MACOS_CONVERT
1668 if (fio_flags
& FIO_MACROMAN
)
1671 * Conversion from Apple MacRoman char encoding to UTF-8 or
1672 * latin1. This is in os_mac_conv.c.
1674 if (macroman2enc(ptr
, &size
, real_size
) == FAIL
)
1683 char_u
*tail
= NULL
;
1686 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8.
1687 * "enc_utf8" not set: Convert Unicode to Latin1.
1688 * Go from end to start through the buffer, because the number
1689 * of bytes may increase.
1690 * "dest" points to after where the UTF-8 bytes go, "p" points
1691 * to after the next character to convert.
1693 dest
= ptr
+ real_size
;
1694 if (fio_flags
== FIO_LATIN1
|| fio_flags
== FIO_UTF8
)
1697 if (fio_flags
== FIO_UTF8
)
1699 /* Check for a trailing incomplete UTF-8 sequence */
1700 tail
= ptr
+ size
- 1;
1701 while (tail
> ptr
&& (*tail
& 0xc0) == 0x80)
1703 if (tail
+ utf_byte2len(*tail
) <= ptr
+ size
)
1709 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1711 /* Check for a trailing byte */
1712 p
= ptr
+ (size
& ~1);
1715 if ((fio_flags
& FIO_UTF16
) && p
> ptr
)
1717 /* Check for a trailing leading word */
1718 if (fio_flags
& FIO_ENDIAN_L
)
1728 if (u8c
>= 0xd800 && u8c
<= 0xdbff)
1736 /* Check for trailing 1, 2 or 3 bytes */
1737 p
= ptr
+ (size
& ~3);
1742 /* If there is a trailing incomplete sequence move it to
1746 conv_restlen
= (int)((ptr
+ size
) - tail
);
1747 mch_memmove(conv_rest
, (char_u
*)tail
, conv_restlen
);
1748 size
-= conv_restlen
;
1754 if (fio_flags
& FIO_LATIN1
)
1756 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1758 if (fio_flags
& FIO_ENDIAN_L
)
1768 if ((fio_flags
& FIO_UTF16
)
1769 && u8c
>= 0xdc00 && u8c
<= 0xdfff)
1775 /* Missing leading word. */
1778 if (conv_error
== 0)
1779 conv_error
= readfile_linenr(linecnt
,
1781 if (bad_char_behavior
== BAD_DROP
)
1783 if (bad_char_behavior
!= BAD_KEEP
)
1784 u8c
= bad_char_behavior
;
1787 /* found second word of double-word, get the first
1788 * word and compute the resulting character */
1789 if (fio_flags
& FIO_ENDIAN_L
)
1797 u16c
+= (*--p
<< 8);
1799 u8c
= 0x10000 + ((u16c
& 0x3ff) << 10)
1802 /* Check if the word is indeed a leading word. */
1803 if (u16c
< 0xd800 || u16c
> 0xdbff)
1807 if (conv_error
== 0)
1808 conv_error
= readfile_linenr(linecnt
,
1810 if (bad_char_behavior
== BAD_DROP
)
1812 if (bad_char_behavior
!= BAD_KEEP
)
1813 u8c
= bad_char_behavior
;
1817 else if (fio_flags
& FIO_UCS4
)
1819 if (fio_flags
& FIO_ENDIAN_L
)
1822 u8c
+= (*--p
<< 16);
1826 else /* big endian */
1830 u8c
+= (*--p
<< 16);
1831 u8c
+= (*--p
<< 24);
1840 len
= utf_head_off(ptr
, p
);
1842 u8c
= utf_ptr2char(p
);
1845 /* Not a valid UTF-8 character, retry with
1846 * another fenc when possible, otherwise just
1847 * report the error. */
1850 if (conv_error
== 0)
1851 conv_error
= readfile_linenr(linecnt
,
1853 if (bad_char_behavior
== BAD_DROP
)
1855 if (bad_char_behavior
!= BAD_KEEP
)
1856 u8c
= bad_char_behavior
;
1860 if (enc_utf8
) /* produce UTF-8 */
1862 dest
-= utf_char2len(u8c
);
1863 (void)utf_char2bytes(u8c
, dest
);
1865 else /* produce Latin1 */
1870 /* character doesn't fit in latin1, retry with
1871 * another fenc when possible, otherwise just
1872 * report the error. */
1875 if (conv_error
== 0)
1876 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
1877 if (bad_char_behavior
== BAD_DROP
)
1879 else if (bad_char_behavior
== BAD_KEEP
)
1881 else if (eap
!= NULL
&& eap
->bad_char
!= 0)
1882 *dest
= bad_char_behavior
;
1891 /* move the linerest to before the converted characters */
1892 line_start
= dest
- linerest
;
1893 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1894 size
= (long)((ptr
+ real_size
) - dest
);
1897 else if (enc_utf8
&& !curbuf
->b_p_bin
)
1899 int incomplete_tail
= FALSE
;
1901 /* Reading UTF-8: Check if the bytes are valid UTF-8. */
1902 for (p
= ptr
; ; ++p
)
1904 int todo
= (int)((ptr
+ size
) - p
);
1911 /* A length of 1 means it's an illegal byte. Accept
1912 * an incomplete character at the end though, the next
1913 * read() will get the next bytes, we'll check it
1915 l
= utf_ptr2len_len(p
, todo
);
1916 if (l
> todo
&& !incomplete_tail
)
1918 /* Avoid retrying with a different encoding when
1919 * a truncated file is more likely, or attempting
1920 * to read the rest of an incomplete sequence when
1921 * we have already done so. */
1922 if (p
> ptr
|| filesize
> 0)
1923 incomplete_tail
= TRUE
;
1924 /* Incomplete byte sequence, move it to conv_rest[]
1925 * and try to read the rest of it, unless we've
1926 * already done so. */
1929 conv_restlen
= todo
;
1930 mch_memmove(conv_rest
, p
, conv_restlen
);
1931 size
-= conv_restlen
;
1935 if (l
== 1 || l
> todo
)
1937 /* Illegal byte. If we can try another encoding
1938 * do that, unless at EOF where a truncated
1939 * file is more likely than a conversion error. */
1940 if (can_retry
&& !incomplete_tail
)
1943 /* When we did a conversion report an error. */
1944 if (iconv_fd
!= (iconv_t
)-1 && conv_error
== 0)
1945 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
1947 /* Remember the first linenr with an illegal byte */
1948 if (conv_error
== 0 && illegal_byte
== 0)
1949 illegal_byte
= readfile_linenr(linecnt
, ptr
, p
);
1951 /* Drop, keep or replace the bad byte. */
1952 if (bad_char_behavior
== BAD_DROP
)
1954 mch_memmove(p
, p
+ 1, todo
- 1);
1958 else if (bad_char_behavior
!= BAD_KEEP
)
1959 *p
= bad_char_behavior
;
1965 if (p
< ptr
+ size
&& !incomplete_tail
)
1967 /* Detected a UTF-8 error. */
1969 /* Retry reading with another conversion. */
1970 # if defined(FEAT_EVAL) && defined(USE_ICONV)
1971 if (*p_ccv
!= NUL
&& iconv_fd
!= (iconv_t
)-1)
1972 /* iconv() failed, try 'charconvert' */
1976 /* use next item from 'fileencodings' */
1977 advance_fenc
= TRUE
;
1984 /* count the number of characters (after conversion!) */
1988 * when reading the first part of a file: guess EOL type
1990 if (fileformat
== EOL_UNKNOWN
)
1992 /* First try finding a NL, for Dos and Unix */
1993 if (try_dos
|| try_unix
)
1995 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2000 || (try_dos
&& p
> ptr
&& p
[-1] == CAR
))
2001 fileformat
= EOL_DOS
;
2003 fileformat
= EOL_UNIX
;
2008 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */
2009 if (fileformat
== EOL_UNIX
&& try_mac
)
2011 /* Need to reset the counters when retrying fenc. */
2014 for (; p
>= ptr
&& *p
!= CAR
; p
--)
2018 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2025 if (try_mac
> try_unix
)
2026 fileformat
= EOL_MAC
;
2031 /* No NL found: may use Mac format */
2032 if (fileformat
== EOL_UNKNOWN
&& try_mac
)
2033 fileformat
= EOL_MAC
;
2035 /* Still nothing found? Use first format in 'ffs' */
2036 if (fileformat
== EOL_UNKNOWN
)
2037 fileformat
= default_fileformat();
2039 /* if editing a new file: may set p_tx and p_ff */
2041 set_fileformat(fileformat
, OPT_LOCAL
);
2046 * This loop is executed once for every character read.
2049 if (fileformat
== EOL_MAC
)
2052 while (++ptr
, --size
>= 0)
2054 /* catch most common case first */
2055 if ((c
= *ptr
) != NUL
&& c
!= CAR
&& c
!= NL
)
2058 *ptr
= NL
; /* NULs are replaced by newlines! */
2060 *ptr
= CAR
; /* NLs are replaced by CRs! */
2063 if (skip_count
== 0)
2065 *ptr
= NUL
; /* end of line */
2066 len
= (colnr_T
) (ptr
- line_start
+ 1);
2067 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2073 if (--read_count
== 0)
2075 error
= TRUE
; /* break loop */
2076 line_start
= ptr
; /* nothing left to write */
2082 line_start
= ptr
+ 1;
2089 while (++ptr
, --size
>= 0)
2091 if ((c
= *ptr
) != NUL
&& c
!= NL
) /* catch most common case */
2094 *ptr
= NL
; /* NULs are replaced by newlines! */
2097 if (skip_count
== 0)
2099 *ptr
= NUL
; /* end of line */
2100 len
= (colnr_T
)(ptr
- line_start
+ 1);
2101 if (fileformat
== EOL_DOS
)
2103 if (ptr
[-1] == CAR
) /* remove CR */
2109 * Reading in Dos format, but no CR-LF found!
2110 * When 'fileformats' includes "unix", delete all
2111 * the lines read so far and start all over again.
2112 * Otherwise give an error message later.
2114 else if (ff_error
!= EOL_DOS
)
2119 || lseek(fd
, (off_t
)0L, SEEK_SET
) == 0))
2121 fileformat
= EOL_UNIX
;
2123 set_fileformat(EOL_UNIX
, OPT_LOCAL
);
2125 keep_fileformat
= TRUE
;
2131 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2137 if (--read_count
== 0)
2139 error
= TRUE
; /* break loop */
2140 line_start
= ptr
; /* nothing left to write */
2146 line_start
= ptr
+ 1;
2150 linerest
= (long)(ptr
- line_start
);
2155 /* not an error, max. number of lines reached */
2156 if (error
&& read_count
== 0)
2160 * If we get EOF in the middle of a line, note the fact and
2161 * complete the line ourselves.
2162 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set.
2167 && !(!curbuf
->b_p_bin
2168 && fileformat
== EOL_DOS
2169 && *line_start
== Ctrl_Z
2170 && ptr
== line_start
+ 1))
2172 /* remember for when writing */
2174 curbuf
->b_p_eol
= FALSE
;
2176 if (ml_append(lnum
, line_start
,
2177 (colnr_T
)(ptr
- line_start
+ 1), newfile
) == FAIL
)
2180 read_no_eol_lnum
= ++lnum
;
2184 save_file_ff(curbuf
); /* remember the current file format */
2187 if (cryptkey
!= curbuf
->b_p_key
)
2192 /* If editing a new file: set 'fenc' for the current buffer.
2193 * Also for ":read ++edit file". */
2195 set_string_option_direct((char_u
*)"fenc", -1, fenc
,
2196 OPT_FREE
|OPT_LOCAL
, 0);
2200 if (iconv_fd
!= (iconv_t
)-1)
2202 iconv_close(iconv_fd
);
2203 iconv_fd
= (iconv_t
)-1;
2208 if (!read_buffer
&& !read_stdin
)
2209 close(fd
); /* errors are ignored */
2215 /* Use stderr for stdin, makes shell commands work. */
2222 if (tmpname
!= NULL
)
2224 mch_remove(tmpname
); /* delete converted file */
2228 --no_wait_return
; /* may wait for return now */
2231 * In recovery mode everything but autocommands is skipped.
2235 /* need to delete the last line, which comes from the empty buffer */
2236 if (newfile
&& wasempty
&& !(curbuf
->b_ml
.ml_flags
& ML_EMPTY
))
2238 #ifdef FEAT_NETBEANS_INTG
2239 netbeansFireChanges
= 0;
2241 ml_delete(curbuf
->b_ml
.ml_line_count
, FALSE
);
2242 #ifdef FEAT_NETBEANS_INTG
2243 netbeansFireChanges
= 1;
2247 linecnt
= curbuf
->b_ml
.ml_line_count
- linecnt
;
2250 if (newfile
|| read_buffer
)
2252 redraw_curbuf_later(NOT_VALID
);
2254 /* After reading the text into the buffer the diff info needs to
2256 diff_invalidate(curbuf
);
2259 /* All folds in the window are invalid now. Mark them for update
2260 * before triggering autocommands. */
2261 foldUpdateAll(curwin
);
2264 else if (linecnt
) /* appended at least one line */
2265 appended_lines_mark(from
, linecnt
);
2267 #ifndef ALWAYS_USE_GUI
2269 * If we were reading from the same terminal as where messages go,
2270 * the screen will have been messed up.
2271 * Switch on raw mode now and clear the screen.
2275 settmode(TMODE_RAW
); /* set to raw mode */
2283 if (!(flags
& READ_DUMMY
))
2285 filemess(curbuf
, sfname
, (char_u
*)_(e_interr
), 0);
2287 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
2289 msg_scroll
= msg_save
;
2293 return OK
; /* an interrupt isn't really an error */
2296 if (!filtering
&& !(flags
& READ_DUMMY
))
2298 msg_add_fname(curbuf
, sfname
); /* fname in IObuff with quotes */
2303 if (S_ISFIFO(perm
)) /* fifo or socket */
2305 STRCAT(IObuff
, _("[fifo/socket]"));
2310 if ((perm
& S_IFMT
) == S_IFIFO
) /* fifo */
2312 STRCAT(IObuff
, _("[fifo]"));
2317 if ((perm
& S_IFMT
) == S_IFSOCK
) /* or socket */
2319 STRCAT(IObuff
, _("[socket]"));
2324 # ifdef OPEN_CHR_FILES
2325 if (S_ISCHR(perm
)) /* or character special */
2327 STRCAT(IObuff
, _("[character special]"));
2334 STRCAT(IObuff
, shortmess(SHM_RO
) ? _("[RO]") : _("[readonly]"));
2337 if (read_no_eol_lnum
)
2342 if (ff_error
== EOL_DOS
)
2344 STRCAT(IObuff
, _("[CR missing]"));
2349 STRCAT(IObuff
, _("[long lines split]"));
2355 STRCAT(IObuff
, _("[NOT converted]"));
2360 STRCAT(IObuff
, _("[converted]"));
2365 if (cryptkey
!= NULL
)
2367 STRCAT(IObuff
, _("[crypted]"));
2372 if (conv_error
!= 0)
2374 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2375 _("[CONVERSION ERROR in line %ld]"), (long)conv_error
);
2378 else if (illegal_byte
> 0)
2380 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2381 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte
);
2388 STRCAT(IObuff
, _("[READ ERRORS]"));
2391 if (msg_add_fileformat(fileformat
))
2394 if (cryptkey
!= NULL
)
2395 msg_add_lines(c
, (long)linecnt
, filesize
- CRYPT_MAGIC_LEN
);
2398 msg_add_lines(c
, (long)linecnt
, filesize
);
2402 msg_scrolled_ign
= TRUE
;
2403 #ifdef ALWAYS_USE_GUI
2404 /* Don't show the message when reading stdin, it would end up in a
2405 * message box (which might be shown when exiting!) */
2406 if (read_stdin
|| read_buffer
)
2407 p
= msg_may_trunc(FALSE
, IObuff
);
2410 p
= msg_trunc_attr(IObuff
, FALSE
, 0);
2411 if (read_stdin
|| read_buffer
|| restart_edit
!= 0
2412 || (msg_scrolled
!= 0 && !need_wait_return
))
2413 /* Need to repeat the message after redrawing when:
2414 * - When reading from stdin (the screen will be cleared next).
2415 * - When restart_edit is set (otherwise there will be a delay
2416 * before redrawing).
2417 * - When the screen was scrolled but there is no wait-return
2420 msg_scrolled_ign
= FALSE
;
2423 /* with errors writing the file requires ":w!" */
2424 if (newfile
&& (error
2427 || (illegal_byte
> 0 && bad_char_behavior
!= BAD_KEEP
)
2430 curbuf
->b_p_ro
= TRUE
;
2432 u_clearline(); /* cannot use "U" command after adding lines */
2435 * In Ex mode: cursor at last new line.
2436 * Otherwise: cursor at first new line.
2439 curwin
->w_cursor
.lnum
= from
+ linecnt
;
2441 curwin
->w_cursor
.lnum
= from
+ 1;
2442 check_cursor_lnum();
2443 beginline(BL_WHITE
| BL_FIX
); /* on first non-blank */
2446 * Set '[ and '] marks to the newly read lines.
2448 curbuf
->b_op_start
.lnum
= from
+ 1;
2449 curbuf
->b_op_start
.col
= 0;
2450 curbuf
->b_op_end
.lnum
= from
+ linecnt
;
2451 curbuf
->b_op_end
.col
= 0;
2455 * Work around a weird problem: When a file has two links (only
2456 * possible on NTFS) and we write through one link, then stat() it
2457 * through the other link, the timestamp information may be wrong.
2458 * It's correct again after reading the file, thus reset the timestamp
2461 if (newfile
&& !read_stdin
&& !read_buffer
2462 && mch_stat((char *)fname
, &st
) >= 0)
2464 buf_store_time(curbuf
, &st
, fname
);
2465 curbuf
->b_mtime_read
= curbuf
->b_mtime
;
2469 msg_scroll
= msg_save
;
2473 * Get the marks before executing autocommands, so they can be used there.
2479 * Trick: We remember if the last line of the read didn't have
2480 * an eol for when writing it again. This is required for
2481 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work.
2483 write_no_eol_lnum
= read_no_eol_lnum
;
2486 if (!read_stdin
&& !read_buffer
)
2489 int n
= msg_scrolled
;
2491 /* Save the fileformat now, otherwise the buffer will be considered
2492 * modified if the format/encoding was automatically detected. */
2494 save_file_ff(curbuf
);
2497 * The output from the autocommands should not overwrite anything and
2498 * should not be overwritten: Set msg_scroll, restore its value if no
2503 apply_autocmds_exarg(EVENT_FILTERREADPOST
, NULL
, sfname
,
2504 FALSE
, curbuf
, eap
);
2506 apply_autocmds_exarg(EVENT_BUFREADPOST
, NULL
, sfname
,
2507 FALSE
, curbuf
, eap
);
2509 apply_autocmds_exarg(EVENT_FILEREADPOST
, sfname
, sfname
,
2511 if (msg_scrolled
== n
)
2514 if (aborting()) /* autocmds may abort script processing */
2520 if (recoverymode
&& error
)
2525 #ifdef OPEN_CHR_FILES
2527 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+",
2528 * which is the name of files used for process substitution output by
2529 * some shells on some operating systems, e.g., bash on SunOS.
2530 * Do not accept "/dev/fd/[012]", opening these may hang Vim.
2533 is_dev_fd_file(fname
)
2536 return (STRNCMP(fname
, "/dev/fd/", 8) == 0
2537 && VIM_ISDIGIT(fname
[8])
2538 && *skipdigits(fname
+ 9) == NUL
2540 || (fname
[8] != '0' && fname
[8] != '1' && fname
[8] != '2')));
2547 * From the current line count and characters read after that, estimate the
2548 * line number where we are now.
2549 * Used for error messages that include a line number.
2552 readfile_linenr(linecnt
, p
, endp
)
2553 linenr_T linecnt
; /* line count before reading more bytes */
2554 char_u
*p
; /* start of more bytes read */
2555 char_u
*endp
; /* end of more bytes read */
2560 lnum
= curbuf
->b_ml
.ml_line_count
- linecnt
+ 1;
2561 for (s
= p
; s
< endp
; ++s
)
2569 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be
2570 * equal to the buffer "buf". Used for calling readfile().
2571 * Returns OK or FAIL.
2574 prep_exarg(eap
, buf
)
2578 eap
->cmd
= alloc((unsigned)(STRLEN(buf
->b_p_ff
)
2580 + STRLEN(buf
->b_p_fenc
)
2583 if (eap
->cmd
== NULL
)
2587 sprintf((char *)eap
->cmd
, "e ++ff=%s ++enc=%s", buf
->b_p_ff
, buf
->b_p_fenc
);
2588 eap
->force_enc
= 14 + (int)STRLEN(buf
->b_p_ff
);
2589 eap
->bad_char
= buf
->b_bad_char
;
2591 sprintf((char *)eap
->cmd
, "e ++ff=%s", buf
->b_p_ff
);
2595 eap
->force_bin
= buf
->b_p_bin
? FORCE_BIN
: FORCE_NOBIN
;
2596 eap
->read_edit
= FALSE
;
2597 eap
->forceit
= FALSE
;
2603 * Find next fileencoding to use from 'fileencodings'.
2604 * "pp" points to fenc_next. It's advanced to the next item.
2605 * When there are no more items, an empty string is returned and *pp is set to
2607 * When *pp is not set to NULL, the result is in allocated memory.
2619 return (char_u
*)"";
2621 p
= vim_strchr(*pp
, ',');
2624 r
= enc_canonize(*pp
);
2629 r
= vim_strnsave(*pp
, (int)(p
- *pp
));
2633 p
= enc_canonize(r
);
2638 if (r
== NULL
) /* out of memory */
2648 * Convert a file with the 'charconvert' expression.
2649 * This closes the file which is to be read, converts it and opens the
2650 * resulting file for reading.
2651 * Returns name of the resulting converted file (the caller should delete it
2652 * after reading it).
2653 * Returns NULL if the conversion failed ("*fdp" is not set) .
2656 readfile_charconvert(fname
, fenc
, fdp
)
2657 char_u
*fname
; /* name of input file */
2658 char_u
*fenc
; /* converted from */
2659 int *fdp
; /* in/out: file descriptor of file */
2662 char_u
*errmsg
= NULL
;
2664 tmpname
= vim_tempname('r');
2665 if (tmpname
== NULL
)
2666 errmsg
= (char_u
*)_("Can't find temp file for conversion");
2669 close(*fdp
); /* close the input file, ignore errors */
2671 if (eval_charconvert(fenc
, enc_utf8
? (char_u
*)"utf-8" : p_enc
,
2672 fname
, tmpname
) == FAIL
)
2673 errmsg
= (char_u
*)_("Conversion with 'charconvert' failed");
2674 if (errmsg
== NULL
&& (*fdp
= mch_open((char *)tmpname
,
2675 O_RDONLY
| O_EXTRA
, 0)) < 0)
2676 errmsg
= (char_u
*)_("can't read output of 'charconvert'");
2681 /* Don't use emsg(), it breaks mappings, the retry with
2682 * another type of conversion might still work. */
2684 if (tmpname
!= NULL
)
2686 mch_remove(tmpname
); /* delete converted file */
2692 /* If the input file is closed, open it (caller should check for error). */
2694 *fdp
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
2704 * Read marks for the current buffer from the viminfo file, when we support
2705 * buffer marks and the buffer has a name.
2710 if (!curbuf
->b_marks_read
&& get_viminfo_parameter('\'') > 0
2711 && curbuf
->b_ffname
!= NULL
)
2712 read_viminfo(NULL
, VIF_WANT_MARKS
);
2714 /* Always set b_marks_read; needed when 'viminfo' is changed to include
2715 * the ' parameter after opening a buffer. */
2716 curbuf
->b_marks_read
= TRUE
;
2722 * Check for magic number used for encryption.
2723 * If found, the magic number is removed from ptr[*sizep] and *sizep and
2724 * *filesizep are updated.
2725 * Return the (new) encryption key, NULL for no encryption.
2728 check_for_cryptkey(cryptkey
, ptr
, sizep
, filesizep
, newfile
)
2729 char_u
*cryptkey
; /* previous encryption key or NULL */
2730 char_u
*ptr
; /* pointer to read bytes */
2731 long *sizep
; /* length of read bytes */
2732 long *filesizep
; /* nr of bytes used from file */
2733 int newfile
; /* editing a new buffer */
2735 if (*sizep
>= CRYPT_MAGIC_LEN
2736 && STRNCMP(ptr
, CRYPT_MAGIC
, CRYPT_MAGIC_LEN
) == 0)
2738 if (cryptkey
== NULL
)
2740 if (*curbuf
->b_p_key
)
2741 cryptkey
= curbuf
->b_p_key
;
2744 /* When newfile is TRUE, store the typed key
2745 * in the 'key' option and don't free it. */
2746 cryptkey
= get_crypt_key(newfile
, FALSE
);
2747 /* check if empty key entered */
2748 if (cryptkey
!= NULL
&& *cryptkey
== NUL
)
2750 if (cryptkey
!= curbuf
->b_p_key
)
2757 if (cryptkey
!= NULL
)
2759 crypt_init_keys(cryptkey
);
2761 /* Remove magic number from the text */
2762 *filesizep
+= CRYPT_MAGIC_LEN
;
2763 *sizep
-= CRYPT_MAGIC_LEN
;
2764 mch_memmove(ptr
, ptr
+ CRYPT_MAGIC_LEN
, (size_t)*sizep
);
2767 /* When starting to edit a new file which does not have
2768 * encryption, clear the 'key' option, except when
2769 * starting up (called with -x argument) */
2770 else if (newfile
&& *curbuf
->b_p_key
&& !starting
)
2771 set_option_value((char_u
*)"key", 0L, (char_u
*)"", OPT_LOCAL
);
2779 set_file_time(fname
, atime
, mtime
)
2781 time_t atime
; /* access time */
2782 time_t mtime
; /* modification time */
2784 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
2788 buf
.modtime
= mtime
;
2789 (void)utime((char *)fname
, &buf
);
2791 # if defined(HAVE_UTIMES)
2792 struct timeval tvp
[2];
2794 tvp
[0].tv_sec
= atime
;
2796 tvp
[1].tv_sec
= mtime
;
2799 (void)utimes((char *)fname
, tvp
);
2801 (void)utimes((char *)fname
, (const struct timeval
*)&tvp
);
2808 #if defined(VMS) && !defined(MIN)
2809 /* Older DECC compiler for VAX doesn't define MIN() */
2810 # define MIN(a, b) ((a) < (b) ? (a) : (b))
2814 * Return TRUE if a file appears to be read-only from the file permissions.
2817 check_file_readonly(fname
, perm
)
2818 char_u
*fname
; /* full path to file */
2819 int perm
; /* known permissions on file */
2821 #ifndef USE_MCH_ACCESS
2826 #ifdef USE_MCH_ACCESS
2828 (perm
& 0222) == 0 ||
2830 mch_access((char *)fname
, W_OK
)
2832 (fd
= mch_open((char *)fname
, O_RDWR
| O_EXTRA
, 0)) < 0
2833 ? TRUE
: (close(fd
), FALSE
)
2840 * buf_write() - write to file "fname" lines "start" through "end"
2842 * We do our own buffering here because fwrite() is so slow.
2844 * If "forceit" is true, we don't care for errors when attempting backups.
2845 * In case of an error everything possible is done to restore the original
2846 * file. But when "forceit" is TRUE, we risk losing it.
2848 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and
2849 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
2851 * This function must NOT use NameBuff (because it's called by autowrite()).
2853 * return FAIL for failure, OK otherwise
2856 buf_write(buf
, fname
, sfname
, start
, end
, eap
, append
, forceit
,
2857 reset_changed
, filtering
)
2861 linenr_T start
, end
;
2862 exarg_T
*eap
; /* for forced 'ff' and 'fenc', can be
2864 int append
; /* append to the file */
2870 char_u
*backup
= NULL
;
2871 int backup_copy
= FALSE
; /* copy the original file? */
2874 char_u
*wfname
= NULL
; /* name of file to write to */
2881 char_u
*errmsg
= NULL
;
2882 char_u
*errnum
= NULL
;
2884 char_u smallbuf
[SMBUFSIZE
];
2887 long perm
; /* file permissions */
2889 int newfile
= FALSE
; /* TRUE if file doesn't exist yet */
2890 int msg_save
= msg_scroll
;
2891 int overwriting
; /* TRUE if writing over original */
2892 int no_eol
= FALSE
; /* no end-of-line written */
2893 int device
= FALSE
; /* writing to a device */
2895 int prev_got_int
= got_int
;
2896 int file_readonly
= FALSE
; /* overwritten file is read-only */
2897 static char *err_readonly
= "is read-only (cannot override: \"W\" in 'cpoptions')";
2898 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */
2899 int made_writable
= FALSE
; /* 'w' bit has been set */
2901 /* writing everything */
2902 int whole
= (start
== 1 && end
== buf
->b_ml
.ml_line_count
);
2904 linenr_T old_line_count
= buf
->b_ml
.ml_line_count
;
2909 struct bw_info write_info
; /* info for buf_write_bytes() */
2911 int converted
= FALSE
;
2912 int notconverted
= FALSE
;
2913 char_u
*fenc
; /* effective 'fileencoding' */
2914 char_u
*fenc_tofree
= NULL
; /* allocated "fenc" */
2920 vim_acl_T acl
= NULL
; /* ACL copied from original file to
2921 backup or new file */
2924 if (fname
== NULL
|| *fname
== NUL
) /* safety check */
2928 * Disallow writing from .exrc and .vimrc in current directory for
2934 /* Avoid a crash for a long name. */
2935 if (STRLEN(fname
) >= MAXPATHL
)
2937 EMSG(_(e_longname
));
2942 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */
2943 write_info
.bw_conv_buf
= NULL
;
2944 write_info
.bw_conv_error
= FALSE
;
2945 write_info
.bw_restlen
= 0;
2947 write_info
.bw_iconv_fd
= (iconv_t
)-1;
2951 /* After writing a file changedtick changes but we don't want to display
2953 ex_no_reprint
= TRUE
;
2956 * If there is no file name yet, use the one for the written file.
2957 * BF_NOTEDITED is set to reflect this (in case the write fails).
2958 * Don't do this when the write is for a filter command.
2959 * Don't do this when appending.
2960 * Only do this when 'cpoptions' contains the 'F' flag.
2962 if (buf
->b_ffname
== NULL
2966 #ifdef FEAT_QUICKFIX
2970 && (!append
|| vim_strchr(p_cpo
, CPO_FNAMEAPP
) != NULL
)
2971 && vim_strchr(p_cpo
, CPO_FNAMEW
) != NULL
)
2973 if (set_rw_fname(fname
, sfname
) == FAIL
)
2975 buf
= curbuf
; /* just in case autocmds made "buf" invalid */
2981 * For Unix: Use the short file name whenever possible.
2982 * Avoids problems with networks and when directory names are changed.
2983 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
2984 * another directory, which we don't detect
2986 ffname
= fname
; /* remember full fname */
2991 if (buf
->b_ffname
!= NULL
&& fnamecmp(ffname
, buf
->b_ffname
) == 0)
2994 overwriting
= FALSE
;
2997 settmode(TMODE_COOK
); /* when exiting allow typahead now */
2999 ++no_wait_return
; /* don't wait for return yet */
3002 * Set '[ and '] marks to the lines to be written.
3004 buf
->b_op_start
.lnum
= start
;
3005 buf
->b_op_start
.col
= 0;
3006 buf
->b_op_end
.lnum
= end
;
3007 buf
->b_op_end
.col
= 0;
3012 int buf_ffname
= FALSE
;
3013 int buf_sfname
= FALSE
;
3014 int buf_fname_f
= FALSE
;
3015 int buf_fname_s
= FALSE
;
3016 int did_cmd
= FALSE
;
3017 int nofile_err
= FALSE
;
3018 int empty_memline
= (buf
->b_ml
.ml_mfp
== NULL
);
3021 * Apply PRE aucocommands.
3022 * Set curbuf to the buffer to be written.
3023 * Careful: The autocommands may call buf_write() recursively!
3025 if (ffname
== buf
->b_ffname
)
3027 if (sfname
== buf
->b_sfname
)
3029 if (fname
== buf
->b_ffname
)
3031 if (fname
== buf
->b_sfname
)
3034 /* set curwin/curbuf to buf and save a few things */
3035 aucmd_prepbuf(&aco
, buf
);
3039 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEAPPENDCMD
,
3040 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3042 #ifdef FEAT_QUICKFIX
3043 if (overwriting
&& bt_nofile(curbuf
))
3047 apply_autocmds_exarg(EVENT_FILEAPPENDPRE
,
3048 sfname
, sfname
, FALSE
, curbuf
, eap
);
3053 apply_autocmds_exarg(EVENT_FILTERWRITEPRE
,
3054 NULL
, sfname
, FALSE
, curbuf
, eap
);
3056 else if (reset_changed
&& whole
)
3058 if (!(did_cmd
= apply_autocmds_exarg(EVENT_BUFWRITECMD
,
3059 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3061 #ifdef FEAT_QUICKFIX
3062 if (overwriting
&& bt_nofile(curbuf
))
3066 apply_autocmds_exarg(EVENT_BUFWRITEPRE
,
3067 sfname
, sfname
, FALSE
, curbuf
, eap
);
3072 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEWRITECMD
,
3073 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3075 #ifdef FEAT_QUICKFIX
3076 if (overwriting
&& bt_nofile(curbuf
))
3080 apply_autocmds_exarg(EVENT_FILEWRITEPRE
,
3081 sfname
, sfname
, FALSE
, curbuf
, eap
);
3085 /* restore curwin/curbuf and a few other things */
3086 aucmd_restbuf(&aco
);
3089 * In three situations we return here and don't write the file:
3090 * 1. the autocommands deleted or unloaded the buffer.
3091 * 2. The autocommands abort script processing.
3092 * 3. If one of the "Cmd" autocommands was executed.
3094 if (!buf_valid(buf
))
3096 if (buf
== NULL
|| (buf
->b_ml
.ml_mfp
== NULL
&& !empty_memline
)
3097 || did_cmd
|| nofile_err
3104 msg_scroll
= msg_save
;
3106 EMSG(_("E676: No matching autocommands for acwrite buffer"));
3113 /* An aborting error, interrupt or exception in the
3119 /* The buffer was deleted. We assume it was written
3120 * (can't retry anyway). */
3124 /* Assume the buffer was written, update the timestamp. */
3127 buf
->b_flags
&= ~BF_NEW
;
3129 buf
->b_flags
&= ~BF_WRITE_MASK
;
3131 if (reset_changed
&& buf
->b_changed
&& !append
3132 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
))
3133 /* Buffer still changed, the autocommands didn't work
3141 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written"));
3146 * The autocommands may have changed the number of lines in the file.
3147 * When writing the whole file, adjust the end.
3148 * When writing part of the file, assume that the autocommands only
3149 * changed the number of lines that are to be written (tricky!).
3151 if (buf
->b_ml
.ml_line_count
!= old_line_count
)
3153 if (whole
) /* write all */
3154 end
= buf
->b_ml
.ml_line_count
;
3155 else if (buf
->b_ml
.ml_line_count
> old_line_count
) /* more lines */
3156 end
+= buf
->b_ml
.ml_line_count
- old_line_count
;
3157 else /* less lines */
3159 end
-= old_line_count
- buf
->b_ml
.ml_line_count
;
3163 msg_scroll
= msg_save
;
3164 EMSG(_("E204: Autocommand changed number of lines in unexpected way"));
3171 * The autocommands may have changed the name of the buffer, which may
3172 * be kept in fname, ffname and sfname.
3175 ffname
= buf
->b_ffname
;
3177 sfname
= buf
->b_sfname
;
3179 fname
= buf
->b_ffname
;
3181 fname
= buf
->b_sfname
;
3185 #ifdef FEAT_NETBEANS_INTG
3186 if (usingNetbeans
&& isNetbeansBuffer(buf
))
3191 * b_changed can be 0 after an undo, but we still need to write
3192 * the buffer to NetBeans.
3194 if (buf
->b_changed
|| isNetbeansModified(buf
))
3196 --no_wait_return
; /* may wait for return now */
3197 msg_scroll
= msg_save
;
3198 netbeans_save_buffer(buf
); /* no error checking... */
3203 errnum
= (char_u
*)"E656: ";
3204 errmsg
= (char_u
*)_("NetBeans disallows writes of unmodified buffers");
3211 errnum
= (char_u
*)"E657: ";
3212 errmsg
= (char_u
*)_("Partial writes disallowed for NetBeans buffers");
3219 if (shortmess(SHM_OVER
) && !exiting
)
3220 msg_scroll
= FALSE
; /* overwrite previous file message */
3222 msg_scroll
= TRUE
; /* don't overwrite previous file message */
3230 (char_u
*)"", 0); /* show that we are busy */
3231 msg_scroll
= FALSE
; /* always overwrite the file message now */
3233 buffer
= alloc(BUFSIZE
);
3234 if (buffer
== NULL
) /* can't allocate big buffer, use small
3235 * one (to be able to write when out of
3239 bufsize
= SMBUFSIZE
;
3245 * Get information about original file (if there is one).
3247 #if defined(UNIX) && !defined(ARCHIE)
3251 if (mch_stat((char *)fname
, &st_old
) < 0)
3255 perm
= st_old
.st_mode
;
3256 if (!S_ISREG(st_old
.st_mode
)) /* not a file */
3258 if (S_ISDIR(st_old
.st_mode
))
3260 errnum
= (char_u
*)"E502: ";
3261 errmsg
= (char_u
*)_("is a directory");
3264 if (mch_nodetype(fname
) != NODE_WRITABLE
)
3266 errnum
= (char_u
*)"E503: ";
3267 errmsg
= (char_u
*)_("is not a file or writable device");
3270 /* It's a device of some kind (or a fifo) which we can write to
3271 * but for which we can't make a backup. */
3279 * Check for a writable device name.
3281 c
= mch_nodetype(fname
);
3282 if (c
== NODE_OTHER
)
3284 errnum
= (char_u
*)"E503: ";
3285 errmsg
= (char_u
*)_("is not a file or writable device");
3288 if (c
== NODE_WRITABLE
)
3290 # if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3291 /* MS-Windows allows opening a device, but we will probably get stuck
3292 * trying to write to it. */
3295 errnum
= (char_u
*)"E796: ";
3296 errmsg
= (char_u
*)_("writing to device disabled with 'opendevice' option");
3306 perm
= mch_getperm(fname
);
3309 else if (mch_isdir(fname
))
3311 errnum
= (char_u
*)"E502: ";
3312 errmsg
= (char_u
*)_("is a directory");
3316 (void)mch_stat((char *)fname
, &st_old
);
3320 if (!device
&& !newfile
)
3323 * Check if the file is really writable (when renaming the file to
3324 * make a backup we won't discover it later).
3326 file_readonly
= check_file_readonly(fname
, (int)perm
);
3328 if (!forceit
&& file_readonly
)
3330 if (vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3332 errnum
= (char_u
*)"E504: ";
3333 errmsg
= (char_u
*)_(err_readonly
);
3337 errnum
= (char_u
*)"E505: ";
3338 errmsg
= (char_u
*)_("is read-only (add ! to override)");
3344 * Check if the timestamp hasn't changed since reading the file.
3348 retval
= check_mtime(buf
, &st_old
);
3356 * For systems that support ACL: get the ACL from the original file.
3359 acl
= mch_get_acl(fname
);
3363 * If 'backupskip' is not empty, don't make a backup for some files.
3365 dobackup
= (p_wb
|| p_bk
|| *p_pm
!= NUL
);
3367 if (dobackup
&& *p_bsk
!= NUL
&& match_file_list(p_bsk
, sfname
, ffname
))
3372 * Save the value of got_int and reset it. We don't want a previous
3373 * interruption cancel writing, only hitting CTRL-C while writing should
3376 prev_got_int
= got_int
;
3379 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */
3380 buf
->b_saving
= TRUE
;
3383 * If we are not appending or filtering, the file exists, and the
3384 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
3385 * When 'patchmode' is set also make a backup when appending.
3387 * Do not make any backup, if 'writebackup' and 'backup' are both switched
3388 * off. This helps when editing large files on almost-full disks.
3390 if (!(append
&& *p_pm
== NUL
) && !filtering
&& perm
>= 0 && dobackup
)
3392 #if defined(UNIX) || defined(WIN32)
3396 if ((bkc_flags
& BKC_YES
) || append
) /* "yes" */
3398 #if defined(UNIX) || defined(WIN32)
3399 else if ((bkc_flags
& BKC_AUTO
)) /* "auto" */
3405 * Don't rename the file when:
3406 * - it's a hard link
3407 * - it's a symbolic link
3408 * - we don't have write permission in the directory
3409 * - we can't set the owner/group of the new file
3411 if (st_old
.st_nlink
> 1
3412 || mch_lstat((char *)fname
, &st
) < 0
3413 || st
.st_dev
!= st_old
.st_dev
3414 || st
.st_ino
!= st_old
.st_ino
3415 # ifndef HAVE_FCHOWN
3416 || st
.st_uid
!= st_old
.st_uid
3417 || st
.st_gid
!= st_old
.st_gid
3424 /* On NTFS file systems hard links are possible. */
3425 if (mch_is_linked(fname
))
3432 * Check if we can create a file and set the owner/group to
3433 * the ones from the original file.
3434 * First find a file name that doesn't exist yet (use some
3435 * arbitrary numbers).
3437 STRCPY(IObuff
, fname
);
3438 for (i
= 4913; ; i
+= 123)
3440 sprintf((char *)gettail(IObuff
), "%d", i
);
3441 if (mch_lstat((char *)IObuff
, &st
) < 0)
3444 fd
= mch_open((char *)IObuff
,
3445 O_CREAT
|O_WRONLY
|O_EXCL
|O_NOFOLLOW
, perm
);
3446 if (fd
< 0) /* can't write in directory */
3452 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
3454 if (mch_stat((char *)IObuff
, &st
) < 0
3455 || st
.st_uid
!= st_old
.st_uid
3456 || st
.st_gid
!= st_old
.st_gid
3457 || st
.st_mode
!= perm
)
3460 /* Close the file before removing it, on MS-Windows we
3461 * can't delete an open file. */
3470 * Break symlinks and/or hardlinks if we've been asked to.
3472 if ((bkc_flags
& BKC_BREAKSYMLINK
) || (bkc_flags
& BKC_BREAKHARDLINK
))
3476 lstat_res
= mch_lstat((char *)fname
, &st
);
3479 if ((bkc_flags
& BKC_BREAKSYMLINK
)
3481 && st
.st_ino
!= st_old
.st_ino
)
3482 backup_copy
= FALSE
;
3485 if ((bkc_flags
& BKC_BREAKHARDLINK
)
3486 && st_old
.st_nlink
> 1
3487 && (lstat_res
!= 0 || st
.st_ino
== st_old
.st_ino
))
3488 backup_copy
= FALSE
;
3494 /* make sure we have a valid backup extension to use */
3498 backup_ext
= (char_u
*)"/bak";
3500 backup_ext
= (char_u
*)".bak";
3507 && (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
3510 char_u
*copybuf
, *wp
;
3511 int some_error
= FALSE
;
3515 #if defined(UNIX) && !defined(SHORT_FNAME)
3516 int did_set_shortname
;
3519 copybuf
= alloc(BUFSIZE
+ 1);
3520 if (copybuf
== NULL
)
3522 some_error
= TRUE
; /* out of memory */
3527 * Try to make the backup in each directory in the 'bdir' option.
3529 * Unix semantics has it, that we may have a writable file,
3530 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
3531 * - the directory is not writable,
3532 * - the file may be a symbolic link,
3533 * - the file may belong to another user/group, etc.
3535 * For these reasons, the existing writable file must be truncated
3536 * and reused. Creation of a backup COPY will be attempted.
3548 * Isolate one directory name, using an entry in 'bdir'.
3550 (void)copy_option_part(&dirp
, copybuf
, BUFSIZE
, ",");
3551 rootname
= get_file_in_dir(fname
, copybuf
);
3552 if (rootname
== NULL
)
3554 some_error
= TRUE
; /* out of memory */
3558 #if defined(UNIX) && !defined(SHORT_FNAME)
3559 did_set_shortname
= FALSE
;
3563 * May try twice if 'shortname' not set.
3568 * Make backup file name.
3570 backup
= buf_modname(
3574 (buf
->b_p_sn
|| buf
->b_shortname
),
3576 rootname
, backup_ext
, FALSE
);
3580 some_error
= TRUE
; /* out of memory */
3585 * Check if backup file already exists.
3587 if (mch_stat((char *)backup
, &st_new
) >= 0)
3591 * Check if backup file is same as original file.
3592 * May happen when modname() gave the same file back.
3593 * E.g. silly link, or file name-length reached.
3594 * If we don't check here, we either ruin the file
3595 * when copying or erase it after writing. jw.
3597 if (st_new
.st_dev
== st_old
.st_dev
3598 && st_new
.st_ino
== st_old
.st_ino
)
3601 backup
= NULL
; /* no backup file to delete */
3602 # ifndef SHORT_FNAME
3604 * may try again with 'shortname' set
3606 if (!(buf
->b_shortname
|| buf
->b_p_sn
))
3608 buf
->b_shortname
= TRUE
;
3609 did_set_shortname
= TRUE
;
3612 /* setting shortname didn't help */
3613 if (did_set_shortname
)
3614 buf
->b_shortname
= FALSE
;
3621 * If we are not going to keep the backup file, don't
3622 * delete an existing one, try to use another name.
3623 * Change one character, just before the extension.
3627 wp
= backup
+ STRLEN(backup
) - 1
3628 - STRLEN(backup_ext
);
3629 if (wp
< backup
) /* empty file name ??? */
3633 && mch_stat((char *)backup
, &st_new
) >= 0)
3635 /* They all exist??? Must be something wrong. */
3648 * Try to create the backup file
3652 /* remove old backup, if present */
3654 /* Open with O_EXCL to avoid the file being created while
3655 * we were sleeping (symlink hacker attack?) */
3656 bfd
= mch_open((char *)backup
,
3657 O_WRONLY
|O_CREAT
|O_EXTRA
|O_EXCL
|O_NOFOLLOW
,
3666 /* set file protection same as original file, but
3668 (void)mch_setperm(backup
, perm
& 0777);
3672 * Try to set the group of the backup same as the
3673 * original file. If this fails, set the protection
3674 * bits for the group same as the protection bits for
3677 if (st_new
.st_gid
!= st_old
.st_gid
3678 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
3679 && fchown(bfd
, (uid_t
)-1, st_old
.st_gid
) != 0
3683 (perm
& 0707) | ((perm
& 07) << 3));
3684 # ifdef HAVE_SELINUX
3685 mch_copy_sec(fname
, backup
);
3692 write_info
.bw_fd
= bfd
;
3693 write_info
.bw_buf
= copybuf
;
3695 write_info
.bw_flags
= FIO_NOCONVERT
;
3697 while ((write_info
.bw_len
= vim_read(fd
, copybuf
,
3700 if (buf_write_bytes(&write_info
) == FAIL
)
3702 errmsg
= (char_u
*)_("E506: Can't write to backup file (add ! to override)");
3708 errmsg
= (char_u
*)_(e_interr
);
3713 if (close(bfd
) < 0 && errmsg
== NULL
)
3714 errmsg
= (char_u
*)_("E507: Close error for backup file (add ! to override)");
3715 if (write_info
.bw_len
< 0)
3716 errmsg
= (char_u
*)_("E508: Can't read file for backup (add ! to override)");
3718 set_file_time(backup
, st_old
.st_atime
, st_old
.st_mtime
);
3721 mch_set_acl(backup
, acl
);
3724 mch_copy_sec(fname
, backup
);
3731 close(fd
); /* ignore errors for closing read file */
3734 if (backup
== NULL
&& errmsg
== NULL
)
3735 errmsg
= (char_u
*)_("E509: Cannot create backup file (add ! to override)");
3736 /* ignore errors when forceit is TRUE */
3737 if ((some_error
|| errmsg
!= NULL
) && !forceit
)
3751 * Make a backup by renaming the original file.
3754 * If 'cpoptions' includes the "W" flag, we don't want to
3755 * overwrite a read-only file. But rename may be possible
3756 * anyway, thus we need an extra check here.
3758 if (file_readonly
&& vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3760 errnum
= (char_u
*)"E504: ";
3761 errmsg
= (char_u
*)_(err_readonly
);
3767 * Form the backup file name - change path/fo.o.h to
3768 * path/fo.o.h.bak Try all directories in 'backupdir', first one
3769 * that works is used.
3775 * Isolate one directory name and make the backup file name.
3777 (void)copy_option_part(&dirp
, IObuff
, IOSIZE
, ",");
3778 rootname
= get_file_in_dir(fname
, IObuff
);
3779 if (rootname
== NULL
)
3783 backup
= buf_modname(
3787 (buf
->b_p_sn
|| buf
->b_shortname
),
3789 rootname
, backup_ext
, FALSE
);
3796 * If we are not going to keep the backup file, don't
3797 * delete an existing one, try to use another name.
3798 * Change one character, just before the extension.
3800 if (!p_bk
&& mch_getperm(backup
) >= 0)
3802 p
= backup
+ STRLEN(backup
) - 1 - STRLEN(backup_ext
);
3803 if (p
< backup
) /* empty file name ??? */
3806 while (*p
> 'a' && mch_getperm(backup
) >= 0)
3808 /* They all exist??? Must be something wrong! */
3819 * Delete any existing backup and move the current version
3820 * to the backup. For safety, we don't remove the backup
3821 * until the write has finished successfully. And if the
3822 * 'backup' option is set, leave it around.
3825 * If the renaming of the original file to the backup file
3828 if (vim_rename(fname
, backup
) == 0)
3831 vim_free(backup
); /* don't do the rename below */
3835 if (backup
== NULL
&& !forceit
)
3837 errmsg
= (char_u
*)_("E510: Can't make backup file (add ! to override)");
3843 #if defined(UNIX) && !defined(ARCHIE)
3844 /* When using ":w!" and the file was read-only: make it writable */
3845 if (forceit
&& perm
>= 0 && !(perm
& 0200) && st_old
.st_uid
== getuid()
3846 && vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
)
3849 (void)mch_setperm(fname
, perm
);
3850 made_writable
= TRUE
;
3854 /* When using ":w!" and writing to the current file, 'readonly' makes no
3855 * sense, reset it, unless 'Z' appears in 'cpoptions'. */
3856 if (forceit
&& overwriting
&& vim_strchr(p_cpo
, CPO_KEEPRO
) == NULL
)
3858 buf
->b_p_ro
= FALSE
;
3860 need_maketitle
= TRUE
; /* set window title later */
3863 status_redraw_all(); /* redraw status lines later */
3867 if (end
> buf
->b_ml
.ml_line_count
)
3868 end
= buf
->b_ml
.ml_line_count
;
3869 if (buf
->b_ml
.ml_flags
& ML_EMPTY
)
3873 * If the original file is being overwritten, there is a small chance that
3874 * we crash in the middle of writing. Therefore the file is preserved now.
3875 * This makes all block numbers positive so that recovery does not need
3876 * the original file.
3877 * Don't do this if there is a backup file and we are exiting.
3879 if (reset_changed
&& !newfile
&& overwriting
3880 && !(exiting
&& backup
!= NULL
))
3882 ml_preserve(buf
, FALSE
);
3885 errmsg
= (char_u
*)_(e_interr
);
3886 goto restore_backup
;
3890 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
3892 * Before risking to lose the original file verify if there's
3893 * a resource fork to preserve, and if cannot be done warn
3894 * the users. This happens when overwriting without backups.
3896 if (backup
== NULL
&& overwriting
&& !append
)
3897 if (mch_has_resource_fork(fname
))
3899 errmsg
= (char_u
*)_("E460: The resource fork would be lost (add ! to override)");
3900 goto restore_backup
;
3905 vms_remove_version(fname
); /* remove version */
3907 /* Default: write the file directly. May write to a temp file for
3908 * multi-byte conversion. */
3912 /* Check for forced 'fileencoding' from "++opt=val" argument. */
3913 if (eap
!= NULL
&& eap
->force_enc
!= 0)
3915 fenc
= eap
->cmd
+ eap
->force_enc
;
3916 fenc
= enc_canonize(fenc
);
3920 fenc
= buf
->b_p_fenc
;
3923 * The file needs to be converted when 'fileencoding' is set and
3924 * 'fileencoding' differs from 'encoding'.
3926 converted
= (*fenc
!= NUL
&& !same_encoding(p_enc
, fenc
));
3929 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
3930 * Latin1 to Unicode conversion. This is handled in buf_write_bytes().
3931 * Prepare the flags for it and allocate bw_conv_buf when needed.
3933 if (converted
&& (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0))
3935 wb_flags
= get_fio_flags(fenc
);
3936 if (wb_flags
& (FIO_UCS2
| FIO_UCS4
| FIO_UTF16
| FIO_UTF8
))
3938 /* Need to allocate a buffer to translate into. */
3939 if (wb_flags
& (FIO_UCS2
| FIO_UTF16
| FIO_UTF8
))
3940 write_info
.bw_conv_buflen
= bufsize
* 2;
3942 write_info
.bw_conv_buflen
= bufsize
* 4;
3943 write_info
.bw_conv_buf
3944 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
3945 if (write_info
.bw_conv_buf
== NULL
)
3951 if (converted
&& wb_flags
== 0 && (wb_flags
= get_win_fio_flags(fenc
)) != 0)
3953 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */
3954 write_info
.bw_conv_buflen
= bufsize
* 4;
3955 write_info
.bw_conv_buf
3956 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
3957 if (write_info
.bw_conv_buf
== NULL
)
3963 if (converted
&& wb_flags
== 0 && (wb_flags
= get_mac_fio_flags(fenc
)) != 0)
3965 write_info
.bw_conv_buflen
= bufsize
* 3;
3966 write_info
.bw_conv_buf
3967 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
3968 if (write_info
.bw_conv_buf
== NULL
)
3973 # if defined(FEAT_EVAL) || defined(USE_ICONV)
3974 if (converted
&& wb_flags
== 0)
3978 * Use iconv() conversion when conversion is needed and it's not done
3981 write_info
.bw_iconv_fd
= (iconv_t
)my_iconv_open(fenc
,
3982 enc_utf8
? (char_u
*)"utf-8" : p_enc
);
3983 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
3985 /* We're going to use iconv(), allocate a buffer to convert in. */
3986 write_info
.bw_conv_buflen
= bufsize
* ICONV_MULT
;
3987 write_info
.bw_conv_buf
3988 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
3989 if (write_info
.bw_conv_buf
== NULL
)
3991 write_info
.bw_first
= TRUE
;
4000 * When the file needs to be converted with 'charconvert' after
4001 * writing, write to a temp file instead and let the conversion
4002 * overwrite the original file.
4006 wfname
= vim_tempname('w');
4007 if (wfname
== NULL
) /* Can't write without a tempfile! */
4009 errmsg
= (char_u
*)_("E214: Can't find temp file for writing");
4010 goto restore_backup
;
4016 if (converted
&& wb_flags
== 0
4018 && write_info
.bw_iconv_fd
== (iconv_t
)-1
4027 errmsg
= (char_u
*)_("E213: Cannot convert (add ! to write without conversion)");
4028 goto restore_backup
;
4030 notconverted
= TRUE
;
4035 * Open the file "wfname" for writing.
4036 * We may try to open the file twice: If we can't write to the
4037 * file and forceit is TRUE we delete the existing file and try to create
4038 * a new one. If this still fails we may have lost the original file!
4039 * (this may happen when the user reached his quotum for number of files).
4040 * Appending will fail if the file does not exist and forceit is FALSE.
4042 while ((fd
= mch_open((char *)wfname
, O_WRONLY
| O_EXTRA
| (append
4043 ? (forceit
? (O_APPEND
| O_CREAT
) : O_APPEND
)
4044 : (O_CREAT
| O_TRUNC
))
4045 , perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4048 * A forced write will try to create a new file if the old one is
4049 * still readonly. This may also happen when the directory is
4050 * read-only. In that case the mch_remove() will fail.
4057 /* Don't delete the file when it's a hard or symbolic link. */
4058 if ((!newfile
&& st_old
.st_nlink
> 1)
4059 || (mch_lstat((char *)fname
, &st
) == 0
4060 && (st
.st_dev
!= st_old
.st_dev
4061 || st
.st_ino
!= st_old
.st_ino
)))
4062 errmsg
= (char_u
*)_("E166: Can't open linked file for writing");
4066 errmsg
= (char_u
*)_("E212: Can't open file for writing");
4067 if (forceit
&& vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
4071 /* we write to the file, thus it should be marked
4072 writable after all */
4074 made_writable
= TRUE
;
4076 if (st_old
.st_uid
!= getuid() || st_old
.st_gid
!= getgid())
4079 if (!append
) /* don't remove when appending */
4091 * If we failed to open the file, we don't need a backup. Throw it
4092 * away. If we moved or removed the original file try to put the
4093 * backup in its place.
4095 if (backup
!= NULL
&& wfname
== fname
)
4100 * There is a small chance that we removed the original,
4101 * try to move the copy in its place.
4102 * This may not work if the vim_rename() fails.
4103 * In that case we leave the copy around.
4105 /* If file does not exist, put the copy in its place */
4106 if (mch_stat((char *)fname
, &st
) < 0)
4107 vim_rename(backup
, fname
);
4108 /* if original file does exist throw away the copy */
4109 if (mch_stat((char *)fname
, &st
) >= 0)
4114 /* try to put the original file back */
4115 vim_rename(backup
, fname
);
4119 /* if original file no longer exists give an extra warning */
4120 if (!newfile
&& mch_stat((char *)fname
, &st
) < 0)
4125 if (wfname
!= fname
)
4132 #if defined(MACOS_CLASSIC) || defined(WIN3264)
4133 /* TODO: Is it need for MACOS_X? (Dany) */
4135 * On macintosh copy the original files attributes (i.e. the backup)
4136 * This is done in order to preserve the resource fork and the
4137 * Finder attribute (label, comments, custom icons, file creator)
4139 if (backup
!= NULL
&& overwriting
&& !append
)
4142 (void)mch_copy_file_attribute(wfname
, backup
);
4144 (void)mch_copy_file_attribute(backup
, wfname
);
4147 if (!overwriting
&& !append
)
4149 if (buf
->b_ffname
!= NULL
)
4150 (void)mch_copy_file_attribute(buf
->b_ffname
, wfname
);
4151 /* Should copy resource fork */
4155 write_info
.bw_fd
= fd
;
4158 if (*buf
->b_p_key
&& !filtering
)
4160 crypt_init_keys(buf
->b_p_key
);
4161 /* Write magic number, so that Vim knows that this file is encrypted
4162 * when reading it again. This also undergoes utf-8 to ucs-2/4
4163 * conversion when needed. */
4164 write_info
.bw_buf
= (char_u
*)CRYPT_MAGIC
;
4165 write_info
.bw_len
= CRYPT_MAGIC_LEN
;
4166 write_info
.bw_flags
= FIO_NOCONVERT
;
4167 if (buf_write_bytes(&write_info
) == FAIL
)
4169 wb_flags
|= FIO_ENCRYPTED
;
4173 write_info
.bw_buf
= buffer
;
4176 /* use "++bin", "++nobin" or 'binary' */
4177 if (eap
!= NULL
&& eap
->force_bin
!= 0)
4178 write_bin
= (eap
->force_bin
== FORCE_BIN
);
4180 write_bin
= buf
->b_p_bin
;
4184 * The BOM is written just after the encryption magic number.
4185 * Skip it when appending and the file already existed, the BOM only makes
4186 * sense at the start of the file.
4188 if (buf
->b_p_bomb
&& !write_bin
&& (!append
|| perm
< 0))
4190 write_info
.bw_len
= make_bom(buffer
, fenc
);
4191 if (write_info
.bw_len
> 0)
4193 /* don't convert, do encryption */
4194 write_info
.bw_flags
= FIO_NOCONVERT
| wb_flags
;
4195 if (buf_write_bytes(&write_info
) == FAIL
)
4198 nchars
+= write_info
.bw_len
;
4203 write_info
.bw_len
= bufsize
;
4205 write_info
.bw_flags
= wb_flags
;
4207 fileformat
= get_fileformat_force(buf
, eap
);
4210 for (lnum
= start
; lnum
<= end
; ++lnum
)
4213 * The next while loop is done once for each character written.
4216 ptr
= ml_get_buf(buf
, lnum
, FALSE
) - 1;
4217 while ((c
= *++ptr
) != NUL
)
4220 *s
= NUL
; /* replace newlines with NULs */
4221 else if (c
== CAR
&& fileformat
== EOL_MAC
)
4222 *s
= NL
; /* Mac: replace CRs with NLs */
4226 if (++len
!= bufsize
)
4228 if (buf_write_bytes(&write_info
) == FAIL
)
4230 end
= 0; /* write error: break loop */
4237 /* write failed or last line has no EOL: stop here */
4241 && (lnum
== write_no_eol_lnum
4242 || (lnum
== buf
->b_ml
.ml_line_count
&& !buf
->b_p_eol
))))
4244 ++lnum
; /* written the line, count it */
4248 if (fileformat
== EOL_UNIX
)
4252 *s
++ = CAR
; /* EOL_MAC or EOL_DOS: write CR */
4253 if (fileformat
== EOL_DOS
) /* write CR-NL */
4255 if (++len
== bufsize
)
4257 if (buf_write_bytes(&write_info
) == FAIL
)
4259 end
= 0; /* write error: break loop */
4269 if (++len
== bufsize
&& end
)
4271 if (buf_write_bytes(&write_info
) == FAIL
)
4273 end
= 0; /* write error: break loop */
4283 end
= 0; /* Interrupted, break loop */
4289 * On VMS there is a problem: newlines get added when writing blocks
4290 * at a time. Fix it by writing a line at a time.
4291 * This is much slower!
4292 * Explanation: VAX/DECC RTL insists that records in some RMS
4293 * structures end with a newline (carriage return) character, and if
4294 * they don't it adds one.
4295 * With other RMS structures it works perfect without this fix.
4297 if (buf
->b_fab_rfm
== FAB$C_VFC
4298 || ((buf
->b_fab_rat
& (FAB$M_FTN
| FAB$M_CR
)) != 0))
4302 buf
->b_fab_mrs
= (buf
->b_fab_mrs
== 0
4303 ? MIN(4096, bufsize
)
4304 : MIN(buf
->b_fab_mrs
, bufsize
));
4309 write_info
.bw_len
= MIN(b2write
, buf
->b_fab_mrs
);
4310 if (buf_write_bytes(&write_info
) == FAIL
)
4315 b2write
-= MIN(b2write
, buf
->b_fab_mrs
);
4317 write_info
.bw_len
= bufsize
;
4324 if (len
> 0 && end
> 0)
4326 write_info
.bw_len
= len
;
4327 if (buf_write_bytes(&write_info
) == FAIL
)
4328 end
= 0; /* write error */
4332 #if defined(UNIX) && defined(HAVE_FSYNC)
4333 /* On many journalling file systems there is a bug that causes both the
4334 * original and the backup file to be lost when halting the system right
4335 * after writing the file. That's because only the meta-data is
4336 * journalled. Syncing the file slows down the system, but assures it has
4337 * been written to disk and we don't lose it.
4338 * For a device do try the fsync() but don't complain if it does not work
4339 * (could be a pipe).
4340 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */
4341 if (p_fs
&& fsync(fd
) != 0 && !device
)
4343 errmsg
= (char_u
*)_("E667: Fsync failed");
4349 /* Probably need to set the security context. */
4351 mch_copy_sec(backup
, wfname
);
4355 /* When creating a new file, set its owner/group to that of the original
4356 * file. Get the new device and inode number. */
4357 if (backup
!= NULL
&& !backup_copy
)
4362 /* don't change the owner when it's already OK, some systems remove
4363 * permission or ACL stuff */
4364 if (mch_stat((char *)wfname
, &st
) < 0
4365 || st
.st_uid
!= st_old
.st_uid
4366 || st
.st_gid
!= st_old
.st_gid
)
4368 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
4369 if (perm
>= 0) /* set permission again, may have changed */
4370 (void)mch_setperm(wfname
, perm
);
4375 else if (buf
->b_dev
< 0)
4376 /* Set the inode when creating a new file. */
4382 errmsg
= (char_u
*)_("E512: Close failed");
4388 perm
&= ~0200; /* reset 'w' bit for security reasons */
4390 if (perm
>= 0) /* set perm. of new file same as old file */
4391 (void)mch_setperm(wfname
, perm
);
4393 if (!append
&& !filtering
)
4394 /* Set the filetype after writing the file. */
4395 mch_set_filetype(wfname
, buf
->b_p_oft
);
4398 /* Probably need to set the ACL before changing the user (can't set the
4399 * ACL on a file the user doesn't own). */
4401 mch_set_acl(wfname
, acl
);
4405 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL)
4406 if (wfname
!= fname
)
4409 * The file was written to a temp file, now it needs to be converted
4410 * with 'charconvert' to (overwrite) the output file.
4414 if (eval_charconvert(enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
,
4415 wfname
, fname
) == FAIL
)
4417 write_info
.bw_conv_error
= TRUE
;
4431 if (write_info
.bw_conv_error
)
4432 errmsg
= (char_u
*)_("E513: write error, conversion failed (make 'fenc' empty to override)");
4436 errmsg
= (char_u
*)_(e_interr
);
4438 errmsg
= (char_u
*)_("E514: write error (file system full?)");
4442 * If we have a backup file, try to put it in place of the new file,
4443 * because the new file is probably corrupt. This avoids losing the
4444 * original file when trying to make a backup when writing the file a
4446 * When "backup_copy" is set we need to copy the backup over the new
4447 * file. Otherwise rename the backup file.
4448 * If this is OK, don't give the extra warning message.
4454 /* This may take a while, if we were interrupted let the user
4455 * know we got the message. */
4461 if ((fd
= mch_open((char *)backup
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
4463 if ((write_info
.bw_fd
= mch_open((char *)fname
,
4464 O_WRONLY
| O_CREAT
| O_TRUNC
| O_EXTRA
,
4467 /* copy the file. */
4468 write_info
.bw_buf
= smallbuf
;
4470 write_info
.bw_flags
= FIO_NOCONVERT
;
4472 while ((write_info
.bw_len
= vim_read(fd
, smallbuf
,
4474 if (buf_write_bytes(&write_info
) == FAIL
)
4477 if (close(write_info
.bw_fd
) >= 0
4478 && write_info
.bw_len
== 0)
4479 end
= 1; /* success */
4481 close(fd
); /* ignore errors for closing read file */
4486 if (vim_rename(backup
, fname
) == 0)
4493 lnum
-= start
; /* compute number of written lines */
4494 --no_wait_return
; /* may wait for return now */
4496 #if !(defined(UNIX) || defined(VMS))
4497 fname
= sfname
; /* use shortname now, for the messages */
4501 msg_add_fname(buf
, fname
); /* put fname in IObuff with quotes */
4504 if (write_info
.bw_conv_error
)
4506 STRCAT(IObuff
, _(" CONVERSION ERROR"));
4509 else if (notconverted
)
4511 STRCAT(IObuff
, _("[NOT converted]"));
4516 STRCAT(IObuff
, _("[converted]"));
4522 STRCAT(IObuff
, _("[Device]"));
4527 STRCAT(IObuff
, shortmess(SHM_NEW
) ? _("[New]") : _("[New File]"));
4535 /* may add [unix/dos/mac] */
4536 if (msg_add_fileformat(fileformat
))
4539 if (wb_flags
& FIO_ENCRYPTED
)
4541 STRCAT(IObuff
, _("[crypted]"));
4545 msg_add_lines(c
, (long)lnum
, nchars
); /* add line/char count */
4546 if (!shortmess(SHM_WRITE
))
4549 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [a]") : _(" appended"));
4551 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [w]") : _(" written"));
4554 set_keep_msg(msg_trunc_attr(IObuff
, FALSE
, 0), 0);
4557 /* When written everything correctly: reset 'modified'. Unless not
4558 * writing to the original file and '+' is not in 'cpoptions'. */
4559 if (reset_changed
&& whole
&& !append
4561 && !write_info
.bw_conv_error
4563 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
)
4566 unchanged(buf
, TRUE
);
4571 * If written to the current file, update the timestamp of the swap file
4572 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
4578 buf
->b_flags
&= ~BF_NEW
;
4580 buf
->b_flags
&= ~BF_WRITE_MASK
;
4584 * If we kept a backup until now, and we are in patch mode, then we make
4585 * the backup file our 'original' file.
4587 if (*p_pm
&& dobackup
)
4589 char *org
= (char *)buf_modname(
4593 (buf
->b_p_sn
|| buf
->b_shortname
),
4595 fname
, p_pm
, FALSE
);
4602 * If the original file does not exist yet
4603 * the current backup file becomes the original file
4606 EMSG(_("E205: Patchmode: can't save original file"));
4607 else if (mch_stat(org
, &st
) < 0)
4609 vim_rename(backup
, (char_u
*)org
);
4610 vim_free(backup
); /* don't delete the file */
4613 set_file_time((char_u
*)org
, st_old
.st_atime
, st_old
.st_mtime
);
4618 * If there is no backup file, remember that a (new) file was
4626 || (empty_fd
= mch_open(org
,
4627 O_CREAT
| O_EXTRA
| O_EXCL
| O_NOFOLLOW
,
4628 perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4629 EMSG(_("E206: patchmode: can't touch empty original file"));
4635 mch_setperm((char_u
*)org
, mch_getperm(fname
) & 0777);
4641 * Remove the backup unless 'backup' option is set
4643 if (!p_bk
&& backup
!= NULL
&& mch_remove(backup
) != 0)
4644 EMSG(_("E207: Can't delete backup file"));
4646 #ifdef FEAT_SUN_WORKSHOP
4647 if (usingSunWorkShop
)
4648 workshop_file_saved((char *) ffname
);
4654 * Finish up. We get here either after failure or success.
4657 --no_wait_return
; /* may wait for return now */
4660 /* Done saving, we accept changed buffer warnings again */
4661 buf
->b_saving
= FALSE
;
4664 if (buffer
!= smallbuf
)
4667 vim_free(fenc_tofree
);
4668 vim_free(write_info
.bw_conv_buf
);
4670 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
4672 iconv_close(write_info
.bw_iconv_fd
);
4673 write_info
.bw_iconv_fd
= (iconv_t
)-1;
4683 int numlen
= errnum
!= NULL
? (int)STRLEN(errnum
) : 0;
4685 attr
= hl_attr(HLF_E
); /* set highlight for error messages */
4692 ); /* put file name in IObuff with quotes */
4693 if (STRLEN(IObuff
) + STRLEN(errmsg
) + numlen
>= IOSIZE
)
4694 IObuff
[IOSIZE
- STRLEN(errmsg
) - numlen
- 1] = NUL
;
4695 /* If the error message has the form "is ...", put the error number in
4696 * front of the file name. */
4699 STRMOVE(IObuff
+ numlen
, IObuff
);
4700 mch_memmove(IObuff
, errnum
, (size_t)numlen
);
4702 STRCAT(IObuff
, errmsg
);
4708 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
4710 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"),
4713 /* Update the timestamp to avoid an "overwrite changed file"
4714 * prompt when writing again. */
4715 if (mch_stat((char *)fname
, &st_old
) >= 0)
4717 buf_store_time(buf
, &st_old
, fname
);
4718 buf
->b_mtime_read
= buf
->b_mtime
;
4722 msg_scroll
= msg_save
;
4726 if (!should_abort(retval
))
4733 write_no_eol_lnum
= 0; /* in case it was set by the previous read */
4736 * Apply POST autocommands.
4737 * Careful: The autocommands may call buf_write() recursively!
4739 aucmd_prepbuf(&aco
, buf
);
4742 apply_autocmds_exarg(EVENT_FILEAPPENDPOST
, fname
, fname
,
4743 FALSE
, curbuf
, eap
);
4745 apply_autocmds_exarg(EVENT_FILTERWRITEPOST
, NULL
, fname
,
4746 FALSE
, curbuf
, eap
);
4747 else if (reset_changed
&& whole
)
4748 apply_autocmds_exarg(EVENT_BUFWRITEPOST
, fname
, fname
,
4749 FALSE
, curbuf
, eap
);
4751 apply_autocmds_exarg(EVENT_FILEWRITEPOST
, fname
, fname
,
4752 FALSE
, curbuf
, eap
);
4754 /* restore curwin/curbuf and a few other things */
4755 aucmd_restbuf(&aco
);
4758 if (aborting()) /* autocmds may abort script processing */
4764 got_int
|= prev_got_int
;
4766 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
4767 /* Update machine specific information. */
4768 mch_post_buffer_write(buf
);
4770 #ifdef FEAT_ODB_EDITOR
4771 odb_post_buffer_write(buf
);
4778 * Set the name of the current buffer. Use when the buffer doesn't have a
4779 * name and a ":r" or ":w" command with a file name is used.
4782 set_rw_fname(fname
, sfname
)
4787 /* It's like the unnamed buffer is deleted.... */
4789 apply_autocmds(EVENT_BUFDELETE
, NULL
, NULL
, FALSE
, curbuf
);
4790 apply_autocmds(EVENT_BUFWIPEOUT
, NULL
, NULL
, FALSE
, curbuf
);
4792 if (aborting()) /* autocmds may abort script processing */
4797 if (setfname(curbuf
, fname
, sfname
, FALSE
) == OK
)
4798 curbuf
->b_flags
|= BF_NOTEDITED
;
4801 /* ....and a new named one is created */
4802 apply_autocmds(EVENT_BUFNEW
, NULL
, NULL
, FALSE
, curbuf
);
4804 apply_autocmds(EVENT_BUFADD
, NULL
, NULL
, FALSE
, curbuf
);
4806 if (aborting()) /* autocmds may abort script processing */
4810 /* Do filetype detection now if 'filetype' is empty. */
4811 if (*curbuf
->b_p_ft
== NUL
)
4813 if (au_has_group((char_u
*)"filetypedetect"))
4814 (void)do_doautocmd((char_u
*)"filetypedetect BufRead", FALSE
);
4823 * Put file name into IObuff with quotes.
4826 msg_add_fname(buf
, fname
)
4831 fname
= (char_u
*)"-stdin-";
4832 home_replace(buf
, fname
, IObuff
+ 1, IOSIZE
- 4, TRUE
);
4834 STRCAT(IObuff
, "\" ");
4838 * Append message for text mode to IObuff.
4839 * Return TRUE if something appended.
4842 msg_add_fileformat(eol_type
)
4846 if (eol_type
== EOL_DOS
)
4848 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[dos]") : _("[dos format]"));
4853 if (eol_type
== EOL_MAC
)
4855 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[mac]") : _("[mac format]"));
4859 #if defined(USE_CRNL) || defined(USE_CR)
4860 if (eol_type
== EOL_UNIX
)
4862 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[unix]") : _("[unix format]"));
4870 * Append line and character count to IObuff.
4873 msg_add_lines(insert_space
, lnum
, nchars
)
4880 p
= IObuff
+ STRLEN(IObuff
);
4884 if (shortmess(SHM_LINES
))
4885 sprintf((char *)p
, "%ldL, %ldC", lnum
, nchars
);
4889 STRCPY(p
, _("1 line, "));
4891 sprintf((char *)p
, _("%ld lines, "), lnum
);
4894 STRCPY(p
, _("1 character"));
4896 sprintf((char *)p
, _("%ld characters"), nchars
);
4901 * Append message for missing line separator to IObuff.
4906 STRCAT(IObuff
, shortmess(SHM_LAST
) ? _("[noeol]") : _("[Incomplete last line]"));
4910 * Check modification time of file, before writing to it.
4911 * The size isn't checked, because using a tool like "gzip" takes care of
4912 * using the same timestamp but can't set the size.
4915 check_mtime(buf
, st
)
4919 if (buf
->b_mtime_read
!= 0
4920 && time_differs((long)st
->st_mtime
, buf
->b_mtime_read
))
4922 msg_scroll
= TRUE
; /* don't overwrite messages here */
4923 msg_silent
= 0; /* must give this prompt */
4924 /* don't use emsg() here, don't want to flush the buffers */
4925 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"),
4927 if (ask_yesno((char_u
*)_("Do you really want to write to it"),
4930 msg_scroll
= FALSE
; /* always overwrite the file message now */
4936 time_differs(t1
, t2
)
4939 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN)
4940 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
4941 * the seconds. Since the roundoff is done when flushing the inode, the
4942 * time may change unexpectedly by one second!!! */
4943 return (t1
- t2
> 1 || t2
- t1
> 1);
4950 * Call write() to write a number of bytes to the file.
4951 * Also handles encryption and 'encoding' conversion.
4953 * Return FAIL for failure, OK otherwise.
4960 char_u
*buf
= ip
->bw_buf
; /* data to write */
4961 int len
= ip
->bw_len
; /* length of data */
4963 int flags
= ip
->bw_flags
; /* extra flags */
4968 * Skip conversion when writing the crypt magic number or the BOM.
4970 if (!(flags
& FIO_NOCONVERT
))
4976 if (flags
& FIO_UTF8
)
4979 * Convert latin1 in the buffer to UTF-8 in the file.
4981 p
= ip
->bw_conv_buf
; /* translate to buffer */
4982 for (wlen
= 0; wlen
< len
; ++wlen
)
4983 p
+= utf_char2bytes(buf
[wlen
], p
);
4984 buf
= ip
->bw_conv_buf
;
4985 len
= (int)(p
- ip
->bw_conv_buf
);
4987 else if (flags
& (FIO_UCS4
| FIO_UTF16
| FIO_UCS2
| FIO_LATIN1
))
4990 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
4991 * Latin1 chars in the file.
4993 if (flags
& FIO_LATIN1
)
4994 p
= buf
; /* translate in-place (can only get shorter) */
4996 p
= ip
->bw_conv_buf
; /* translate to buffer */
4997 for (wlen
= 0; wlen
< len
; wlen
+= n
)
4999 if (wlen
== 0 && ip
->bw_restlen
!= 0)
5003 /* Use remainder of previous call. Append the start of
5004 * buf[] to get a full sequence. Might still be too
5006 l
= CONV_RESTLEN
- ip
->bw_restlen
;
5009 mch_memmove(ip
->bw_rest
+ ip
->bw_restlen
, buf
, (size_t)l
);
5010 n
= utf_ptr2len_len(ip
->bw_rest
, ip
->bw_restlen
+ l
);
5011 if (n
> ip
->bw_restlen
+ len
)
5013 /* We have an incomplete byte sequence at the end to
5014 * be written. We can't convert it without the
5015 * remaining bytes. Keep them for the next call. */
5016 if (ip
->bw_restlen
+ len
> CONV_RESTLEN
)
5018 ip
->bw_restlen
+= len
;
5022 c
= utf_ptr2char(ip
->bw_rest
);
5025 if (n
>= ip
->bw_restlen
)
5027 n
-= ip
->bw_restlen
;
5032 ip
->bw_restlen
-= n
;
5033 mch_memmove(ip
->bw_rest
, ip
->bw_rest
+ n
,
5034 (size_t)ip
->bw_restlen
);
5040 n
= utf_ptr2len_len(buf
+ wlen
, len
- wlen
);
5043 /* We have an incomplete byte sequence at the end to
5044 * be written. We can't convert it without the
5045 * remaining bytes. Keep them for the next call. */
5046 if (len
- wlen
> CONV_RESTLEN
)
5048 ip
->bw_restlen
= len
- wlen
;
5049 mch_memmove(ip
->bw_rest
, buf
+ wlen
,
5050 (size_t)ip
->bw_restlen
);
5054 c
= utf_ptr2char(buf
+ wlen
);
5059 ip
->bw_conv_error
|= ucs2bytes(c
, &p
, flags
);
5061 if (flags
& FIO_LATIN1
)
5062 len
= (int)(p
- buf
);
5065 buf
= ip
->bw_conv_buf
;
5066 len
= (int)(p
- ip
->bw_conv_buf
);
5071 else if (flags
& FIO_CODEPAGE
)
5074 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
5084 if (ip
->bw_restlen
> 0)
5086 /* Need to concatenate the remainder of the previous call and
5087 * the bytes of the current call. Use the end of the
5088 * conversion buffer for this. */
5089 fromlen
= len
+ ip
->bw_restlen
;
5090 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5091 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5092 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5100 to
= ip
->bw_conv_buf
;
5103 /* Convert from UTF-8 to UCS-2, to the start of the buffer.
5104 * The buffer has been allocated to be big enough. */
5107 n
= (int)utf_ptr2len_len(from
, (int)fromlen
);
5108 if (n
> (int)fromlen
) /* incomplete byte sequence */
5110 u8c
= utf_ptr2char(from
);
5111 *to
++ = (u8c
& 0xff);
5117 /* Copy remainder to ip->bw_rest[] to be used for the next
5119 if (fromlen
> CONV_RESTLEN
)
5121 /* weird overlong sequence */
5122 ip
->bw_conv_error
= TRUE
;
5125 mch_memmove(ip
->bw_rest
, from
, fromlen
);
5126 ip
->bw_restlen
= (int)fromlen
;
5130 /* Convert from enc_codepage to UCS-2, to the start of the
5131 * buffer. The buffer has been allocated to be big enough. */
5133 needed
= MultiByteToWideChar(enc_codepage
,
5134 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
,
5138 /* When conversion fails there may be a trailing byte. */
5139 needed
= MultiByteToWideChar(enc_codepage
,
5140 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
- 1,
5144 /* Conversion doesn't work. */
5145 ip
->bw_conv_error
= TRUE
;
5148 /* Save the trailing byte for the next call. */
5149 ip
->bw_rest
[0] = from
[fromlen
- 1];
5152 needed
= MultiByteToWideChar(enc_codepage
, MB_ERR_INVALID_CHARS
,
5153 (LPCSTR
)from
, (int)(fromlen
- ip
->bw_restlen
),
5154 (LPWSTR
)to
, needed
);
5157 /* Safety check: Conversion doesn't work. */
5158 ip
->bw_conv_error
= TRUE
;
5164 fromlen
= to
- ip
->bw_conv_buf
;
5166 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5167 if (FIO_GET_CP(flags
) == CP_UTF8
)
5169 /* Convert from UCS-2 to UTF-8, using the remainder of the
5170 * conversion buffer. Fails when out of space. */
5171 for (from
= ip
->bw_conv_buf
; fromlen
> 1; fromlen
-= 2)
5174 u8c
+= (*from
++ << 8);
5175 to
+= utf_char2bytes(u8c
, to
);
5176 if (to
+ 6 >= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
)
5178 ip
->bw_conv_error
= TRUE
;
5182 len
= (int)(to
- buf
);
5187 /* Convert from UCS-2 to the codepage, using the remainder of
5188 * the conversion buffer. If the conversion uses the default
5189 * character "0", the data doesn't fit in this encoding, so
5191 len
= WideCharToMultiByte(FIO_GET_CP(flags
), 0,
5192 (LPCWSTR
)ip
->bw_conv_buf
, (int)fromlen
/ sizeof(WCHAR
),
5193 (LPSTR
)to
, (int)(ip
->bw_conv_buflen
- fromlen
), 0,
5197 ip
->bw_conv_error
= TRUE
;
5204 # ifdef MACOS_CONVERT
5205 else if (flags
& FIO_MACROMAN
)
5208 * Convert UTF-8 or latin1 to Apple MacRoman.
5213 if (ip
->bw_restlen
> 0)
5215 /* Need to concatenate the remainder of the previous call and
5216 * the bytes of the current call. Use the end of the
5217 * conversion buffer for this. */
5218 fromlen
= len
+ ip
->bw_restlen
;
5219 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5220 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5221 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5229 if (enc2macroman(from
, fromlen
,
5230 ip
->bw_conv_buf
, &len
, ip
->bw_conv_buflen
,
5231 ip
->bw_rest
, &ip
->bw_restlen
) == FAIL
)
5233 ip
->bw_conv_error
= TRUE
;
5236 buf
= ip
->bw_conv_buf
;
5241 if (ip
->bw_iconv_fd
!= (iconv_t
)-1)
5248 /* Convert with iconv(). */
5249 if (ip
->bw_restlen
> 0)
5251 /* Need to concatenate the remainder of the previous call and
5252 * the bytes of the current call. Use the end of the
5253 * conversion buffer for this. */
5254 fromlen
= len
+ ip
->bw_restlen
;
5255 from
= (char *)ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5256 mch_memmove((void *)from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5257 mch_memmove((void *)(from
+ ip
->bw_restlen
), buf
, (size_t)len
);
5258 tolen
= ip
->bw_conv_buflen
- fromlen
;
5262 from
= (const char *)buf
;
5264 tolen
= ip
->bw_conv_buflen
;
5266 to
= (char *)ip
->bw_conv_buf
;
5270 size_t save_len
= tolen
;
5272 /* output the initial shift state sequence */
5273 (void)iconv(ip
->bw_iconv_fd
, NULL
, NULL
, &to
, &tolen
);
5275 /* There is a bug in iconv() on Linux (which appears to be
5276 * wide-spread) which sets "to" to NULL and messes up "tolen".
5280 to
= (char *)ip
->bw_conv_buf
;
5283 ip
->bw_first
= FALSE
;
5287 * If iconv() has an error or there is not enough room, fail.
5289 if ((iconv(ip
->bw_iconv_fd
, (void *)&from
, &fromlen
, &to
, &tolen
)
5290 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
5291 || fromlen
> CONV_RESTLEN
)
5293 ip
->bw_conv_error
= TRUE
;
5297 /* copy remainder to ip->bw_rest[] to be used for the next call. */
5299 mch_memmove(ip
->bw_rest
, (void *)from
, fromlen
);
5300 ip
->bw_restlen
= (int)fromlen
;
5302 buf
= ip
->bw_conv_buf
;
5303 len
= (int)((char_u
*)to
- ip
->bw_conv_buf
);
5307 #endif /* FEAT_MBYTE */
5310 if (flags
& FIO_ENCRYPTED
) /* encrypt the data */
5314 for (i
= 0; i
< len
; i
++)
5317 buf
[i
] = ZENCODE(ztemp
, t
);
5322 /* Repeat the write(), it may be interrupted by a signal. */
5325 wlen
= vim_write(ip
->bw_fd
, buf
, len
);
5326 if (wlen
<= 0) /* error! */
5336 * Convert a Unicode character to bytes.
5339 ucs2bytes(c
, pp
, flags
)
5340 unsigned c
; /* in: character */
5341 char_u
**pp
; /* in/out: pointer to result */
5342 int flags
; /* FIO_ flags */
5349 if (flags
& FIO_UCS4
)
5351 if (flags
& FIO_ENDIAN_L
)
5366 else if (flags
& (FIO_UCS2
| FIO_UTF16
))
5370 if (flags
& FIO_UTF16
)
5372 /* Make two words, ten bits of the character in each. First
5373 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */
5377 cc
= ((c
>> 10) & 0x3ff) + 0xd800;
5378 if (flags
& FIO_ENDIAN_L
)
5381 *p
++ = ((unsigned)cc
>> 8);
5385 *p
++ = ((unsigned)cc
>> 8);
5388 c
= (c
& 0x3ff) + 0xdc00;
5393 if (flags
& FIO_ENDIAN_L
)
5420 * Return TRUE if "a" and "b" are the same 'encoding'.
5421 * Ignores difference between "ansi" and "latin1", "ucs-4" and "ucs-4be", etc.
5430 if (STRCMP(a
, b
) == 0)
5432 f
= get_fio_flags(a
);
5433 return (f
!= 0 && get_fio_flags(b
) == f
);
5437 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the
5438 * internal conversion.
5439 * if "ptr" is an empty string, use 'encoding'.
5450 prop
= enc_canon_props(ptr
);
5451 if (prop
& ENC_UNICODE
)
5453 if (prop
& ENC_2BYTE
)
5455 if (prop
& ENC_ENDIAN_L
)
5456 return FIO_UCS2
| FIO_ENDIAN_L
;
5459 if (prop
& ENC_4BYTE
)
5461 if (prop
& ENC_ENDIAN_L
)
5462 return FIO_UCS4
| FIO_ENDIAN_L
;
5465 if (prop
& ENC_2WORD
)
5467 if (prop
& ENC_ENDIAN_L
)
5468 return FIO_UTF16
| FIO_ENDIAN_L
;
5473 if (prop
& ENC_LATIN1
)
5475 /* must be ENC_DBCS, requires iconv() */
5481 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed
5482 * for the conversion MS-Windows can do for us. Also accept "utf-8".
5483 * Used for conversion between 'encoding' and 'fileencoding'.
5486 get_win_fio_flags(ptr
)
5491 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */
5492 if (!enc_utf8
&& enc_codepage
<= 0)
5495 cp
= encname2codepage(ptr
);
5498 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5499 if (STRCMP(ptr
, "utf-8") == 0)
5505 return FIO_PUT_CP(cp
) | FIO_CODEPAGE
;
5511 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags
5512 * needed for the internal conversion to/from utf-8 or latin1.
5515 get_mac_fio_flags(ptr
)
5518 if ((enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
5519 && (enc_canon_props(ptr
) & ENC_MACROMAN
))
5520 return FIO_MACROMAN
;
5526 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size].
5527 * "size" must be at least 2.
5528 * Return the name of the encoding and set "*lenp" to the length.
5529 * Returns NULL when no BOM found.
5532 check_for_bom(p
, size
, lenp
, flags
)
5541 if (p
[0] == 0xef && p
[1] == 0xbb && size
>= 3 && p
[2] == 0xbf
5542 && (flags
== FIO_ALL
|| flags
== FIO_UTF8
|| flags
== 0))
5544 name
= "utf-8"; /* EF BB BF */
5547 else if (p
[0] == 0xff && p
[1] == 0xfe)
5549 if (size
>= 4 && p
[2] == 0 && p
[3] == 0
5550 && (flags
== FIO_ALL
|| flags
== (FIO_UCS4
| FIO_ENDIAN_L
)))
5552 name
= "ucs-4le"; /* FF FE 00 00 */
5555 else if (flags
== (FIO_UCS2
| FIO_ENDIAN_L
))
5556 name
= "ucs-2le"; /* FF FE */
5557 else if (flags
== FIO_ALL
|| flags
== (FIO_UTF16
| FIO_ENDIAN_L
))
5558 /* utf-16le is preferred, it also works for ucs-2le text */
5559 name
= "utf-16le"; /* FF FE */
5561 else if (p
[0] == 0xfe && p
[1] == 0xff
5562 && (flags
== FIO_ALL
|| flags
== FIO_UCS2
|| flags
== FIO_UTF16
))
5564 /* Default to utf-16, it works also for ucs-2 text. */
5565 if (flags
== FIO_UCS2
)
5566 name
= "ucs-2"; /* FE FF */
5568 name
= "utf-16"; /* FE FF */
5570 else if (size
>= 4 && p
[0] == 0 && p
[1] == 0 && p
[2] == 0xfe
5571 && p
[3] == 0xff && (flags
== FIO_ALL
|| flags
== FIO_UCS4
))
5573 name
= "ucs-4"; /* 00 00 FE FF */
5578 return (char_u
*)name
;
5582 * Generate a BOM in "buf[4]" for encoding "name".
5583 * Return the length of the BOM (zero when no BOM).
5593 flags
= get_fio_flags(name
);
5595 /* Can't put a BOM in a non-Unicode file. */
5596 if (flags
== FIO_LATIN1
|| flags
== 0)
5599 if (flags
== FIO_UTF8
) /* UTF-8 */
5607 (void)ucs2bytes(0xfeff, &p
, flags
);
5608 return (int)(p
- buf
);
5612 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \
5613 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO)
5615 * Try to find a shortname by comparing the fullname with the current
5617 * Returns "full_path" or pointer into "full_path" if shortened.
5620 shorten_fname1(full_path
)
5623 char_u dirname
[MAXPATHL
];
5624 char_u
*p
= full_path
;
5626 if (mch_dirname(dirname
, MAXPATHL
) == OK
)
5628 p
= shorten_fname(full_path
, dirname
);
5629 if (p
== NULL
|| *p
== NUL
)
5637 * Try to find a shortname by comparing the fullname with the current
5639 * Returns NULL if not shorter name possible, pointer into "full_path"
5643 shorten_fname(full_path
, dir_name
)
5650 if (full_path
== NULL
)
5652 len
= (int)STRLEN(dir_name
);
5653 if (fnamencmp(dir_name
, full_path
, len
) == 0)
5655 p
= full_path
+ len
;
5656 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5658 * MSDOS: when a file is in the root directory, dir_name will end in a
5659 * slash, since C: by itself does not define a specific dir. In this
5660 * case p may already be correct. <negri>
5662 if (!((len
> 2) && (*(p
- 2) == ':')))
5665 if (vim_ispathsep(*p
))
5667 #ifndef VMS /* the path separator is always part of the path */
5673 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5675 * When using a file in the current drive, remove the drive name:
5676 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on
5677 * a floppy from "A:\dir" to "B:\dir".
5680 && TOUPPER_LOC(full_path
[0]) == TOUPPER_LOC(dir_name
[0])
5681 && full_path
[1] == ':'
5682 && vim_ispathsep(full_path
[2]))
5691 * Shorten filenames for all buffers.
5692 * When "force" is TRUE: Use full path from now on for files currently being
5693 * edited, both for file name and swap file name. Try to shorten the file
5694 * names a bit, if safe to do so.
5695 * When "force" is FALSE: Only try to shorten absolute file names.
5696 * For buffers that have buftype "nofile" or "scratch": never change the file
5700 shorten_fnames(force
)
5703 char_u dirname
[MAXPATHL
];
5707 mch_dirname(dirname
, MAXPATHL
);
5708 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
5710 if (buf
->b_fname
!= NULL
5711 #ifdef FEAT_QUICKFIX
5714 && !path_with_url(buf
->b_fname
)
5716 || buf
->b_sfname
== NULL
5717 || mch_isFullName(buf
->b_sfname
)))
5719 vim_free(buf
->b_sfname
);
5720 buf
->b_sfname
= NULL
;
5721 p
= shorten_fname(buf
->b_ffname
, dirname
);
5724 buf
->b_sfname
= vim_strsave(p
);
5725 buf
->b_fname
= buf
->b_sfname
;
5727 if (p
== NULL
|| buf
->b_fname
== NULL
)
5728 buf
->b_fname
= buf
->b_ffname
;
5731 /* Always make the swap file name a full path, a "nofile" buffer may
5732 * also have a swap file. */
5733 mf_fullname(buf
->b_ml
.ml_mfp
);
5736 status_redraw_all();
5737 redraw_tabline
= TRUE
;
5741 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
5742 || defined(FEAT_GUI_MSWIN) \
5743 || defined(FEAT_GUI_MAC) \
5745 || defined(FEAT_GUI_MACVIM)
5747 * Shorten all filenames in "fnames[count]" by current directory.
5750 shorten_filenames(fnames
, count
)
5755 char_u dirname
[MAXPATHL
];
5758 if (fnames
== NULL
|| count
< 1)
5760 mch_dirname(dirname
, sizeof(dirname
));
5761 for (i
= 0; i
< count
; ++i
)
5763 if ((p
= shorten_fname(fnames
[i
], dirname
)) != NULL
)
5765 /* shorten_fname() returns pointer in given "fnames[i]". If free
5766 * "fnames[i]" first, "p" becomes invalid. So we need to copy
5767 * "p" first then free fnames[i]. */
5769 vim_free(fnames
[i
]);
5777 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or
5778 * fo_o_h.ext for MSDOS or when shortname option set.
5780 * Assumed that fname is a valid name found in the filesystem we assure that
5781 * the return value is a different name and ends in 'ext'.
5782 * "ext" MUST be at most 4 characters long if it starts with a dot, 3
5783 * characters otherwise.
5784 * Space for the returned name is allocated, must be freed later.
5785 * Returns NULL when out of memory.
5788 modname(fname
, ext
, prepend_dot
)
5789 char_u
*fname
, *ext
;
5790 int prepend_dot
; /* may prepend a '.' to file name */
5796 (curbuf
->b_p_sn
|| curbuf
->b_shortname
),
5798 fname
, ext
, prepend_dot
);
5802 buf_modname(shortname
, fname
, ext
, prepend_dot
)
5803 int shortname
; /* use 8.3 file name */
5804 char_u
*fname
, *ext
;
5805 int prepend_dot
; /* may prepend a '.' to file name */
5811 int fnamelen
, extlen
;
5813 extlen
= (int)STRLEN(ext
);
5816 * If there is no file name we must get the name of the current directory
5817 * (we need the full path in case :cd is used).
5819 if (fname
== NULL
|| *fname
== NUL
)
5821 retval
= alloc((unsigned)(MAXPATHL
+ extlen
+ 3));
5824 if (mch_dirname(retval
, MAXPATHL
) == FAIL
||
5825 (fnamelen
= (int)STRLEN(retval
)) == 0)
5830 if (!after_pathsep(retval
, retval
+ fnamelen
))
5832 retval
[fnamelen
++] = PATHSEP
;
5833 retval
[fnamelen
] = NUL
;
5836 prepend_dot
= FALSE
; /* nothing to prepend a dot to */
5841 fnamelen
= (int)STRLEN(fname
);
5842 retval
= alloc((unsigned)(fnamelen
+ extlen
+ 3));
5845 STRCPY(retval
, fname
);
5847 vms_remove_version(retval
); /* we do not need versions here */
5852 * search backwards until we hit a '/', '\' or ':' replacing all '.'
5853 * by '_' for MSDOS or when shortname option set and ext starts with a dot.
5854 * Then truncate what is after the '/', '\' or ':' to 8 characters for
5855 * MSDOS and 26 characters for AMIGA, a lot more for UNIX.
5857 for (ptr
= retval
+ fnamelen
; ptr
> retval
; mb_ptr_back(retval
, ptr
))
5861 # ifdef USE_LONG_FNAME
5862 && (!USE_LONG_FNAME
|| shortname
)
5864 # ifndef SHORT_FNAME
5869 if (*ptr
== '.') /* replace '.' by '_' */
5872 if (vim_ispathsep(*ptr
))
5879 /* the file name has at most BASENAMELEN characters. */
5881 if (STRLEN(ptr
) > (unsigned)BASENAMELEN
)
5882 ptr
[BASENAMELEN
] = '\0';
5885 s
= ptr
+ STRLEN(ptr
);
5888 * For 8.3 file names we may have to reduce the length.
5890 #ifdef USE_LONG_FNAME
5891 if (!USE_LONG_FNAME
|| shortname
)
5893 # ifndef SHORT_FNAME
5899 * If there is no file name, or the file name ends in '/', and the
5900 * extension starts with '.', put a '_' before the dot, because just
5901 * ".ext" is invalid.
5903 if (fname
== NULL
|| *fname
== NUL
5904 || vim_ispathsep(fname
[STRLEN(fname
) - 1]))
5914 * If the extension starts with '.', truncate the base name at 8
5918 /* We normally use '/', but swap files are '_' */
5919 else if (*ext
== '/' || *ext
== '_')
5921 else if (*ext
== '.')
5924 if (s
- ptr
> (size_t)8)
5931 * If the extension doesn't start with '.', and the file name
5932 * doesn't have an extension yet, append a '.'
5935 else if ((e
= vim_strchr(ptr
, '/')) == NULL
)
5938 else if ((e
= vim_strchr(ptr
, '.')) == NULL
)
5942 * If the extension doesn't start with '.', and there already is an
5943 * extension, it may need to be truncated
5945 else if ((int)STRLEN(e
) + extlen
> 4)
5948 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264)
5950 * If there is no file name, and the extension starts with '.', put a
5951 * '_' before the dot, because just ".ext" may be invalid if it's on a
5952 * FAT partition, and on HPFS it doesn't matter.
5954 else if ((fname
== NULL
|| *fname
== NUL
) && *ext
== '.')
5959 * Append the extension.
5960 * ext can start with '.' and cannot exceed 3 more characters.
5968 if (prepend_dot
&& !shortname
&& *(e
= gettail(retval
)) !=
5974 #ifdef USE_LONG_FNAME
5989 * Check that, after appending the extension, the file name is really
5992 if (fname
!= NULL
&& STRCMP(fname
, retval
) == 0)
5994 /* we search for a character that can be replaced by '_' */
6003 if (s
< ptr
) /* fname was "________.<ext>", how tricky! */
6010 * Like fgets(), but if the file line is too long, it is truncated and the
6011 * rest of the line is thrown away. Returns TRUE for end-of-file.
6014 vim_fgets(buf
, size
, fp
)
6020 #define FGETS_SIZE 200
6021 char tbuf
[FGETS_SIZE
];
6023 buf
[size
- 2] = NUL
;
6025 eof
= fgets_cr((char *)buf
, size
, fp
);
6027 eof
= fgets((char *)buf
, size
, fp
);
6029 if (buf
[size
- 2] != NUL
&& buf
[size
- 2] != '\n')
6031 buf
[size
- 1] = NUL
; /* Truncate the line */
6033 /* Now throw away the rest of the line: */
6036 tbuf
[FGETS_SIZE
- 2] = NUL
;
6038 ignoredp
= fgets_cr((char *)tbuf
, FGETS_SIZE
, fp
);
6040 ignoredp
= fgets((char *)tbuf
, FGETS_SIZE
, fp
);
6042 } while (tbuf
[FGETS_SIZE
- 2] != NUL
&& tbuf
[FGETS_SIZE
- 2] != '\n');
6044 return (eof
== NULL
);
6047 #if defined(USE_CR) || defined(PROTO)
6049 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF.
6050 * Returns TRUE for end-of-file.
6051 * Only used for the Mac, because it's much slower than vim_fgets().
6054 tag_fgets(buf
, size
, fp
)
6073 /* Always store a NL for end-of-line. */
6077 if (c
!= '\n') /* Macintosh format: single CR. */
6092 * rename() only works if both files are on the same file system, this
6093 * function will (attempts to?) copy the file across if rename fails -- webb
6094 * Return -1 for failure, 0 for success.
6097 vim_rename(from
, to
)
6104 char *errmsg
= NULL
;
6112 vim_acl_T acl
; /* ACL from original file */
6114 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6115 int use_tmp_file
= FALSE
;
6119 * When the names are identical, there is nothing to do. When they refer
6120 * to the same file (ignoring case and slash/backslash differences) but
6121 * the file name differs we need to go through a temp file.
6123 if (fnamecmp(from
, to
) == 0)
6125 #ifdef CASE_INSENSITIVE_FILENAME
6126 if (STRCMP(gettail(from
), gettail(to
)) != 0)
6127 use_tmp_file
= TRUE
;
6134 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
6136 if (mch_stat((char *)from
, &st
) < 0)
6143 /* It's possible for the source and destination to be the same file.
6144 * This happens when "from" and "to" differ in case and are on a FAT32
6145 * filesystem. In that case go through a temp file name. */
6146 if (mch_stat((char *)to
, &st_to
) >= 0
6147 && st
.st_dev
== st_to
.st_dev
6148 && st
.st_ino
== st_to
.st_ino
)
6149 use_tmp_file
= TRUE
;
6153 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6156 char tempname
[MAXPATHL
+ 1];
6159 * Find a name that doesn't exist and is in the same directory.
6160 * Rename "from" to "tempname" and then rename "tempname" to "to".
6162 if (STRLEN(from
) >= MAXPATHL
- 5)
6164 STRCPY(tempname
, from
);
6165 for (n
= 123; n
< 99999; ++n
)
6167 sprintf((char *)gettail((char_u
*)tempname
), "%d", n
);
6168 if (mch_stat(tempname
, &st
) < 0)
6170 if (mch_rename((char *)from
, tempname
) == 0)
6172 if (mch_rename(tempname
, (char *)to
) == 0)
6174 /* Strange, the second step failed. Try moving the
6175 * file back and return failure. */
6176 mch_rename(tempname
, (char *)from
);
6179 /* If it fails for one temp name it will most likely fail
6180 * for any temp name, give up. */
6189 * Delete the "to" file, this is required on some systems to make the
6190 * mch_rename() work, on other systems it makes sure that we don't have
6191 * two files when the mch_rename() fails.
6196 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible
6197 * that the name of the "to" file is the same as the "from" file, even
6198 * though the names are different. To avoid the chance of accidentally
6199 * deleting the "from" file (horror!) we lock it during the remove.
6201 * When used for making a backup before writing the file: This should not
6202 * happen with ":w", because startscript() should detect this problem and
6203 * set buf->b_shortname, causing modname() to return a correct ".bak" file
6204 * name. This problem does exist with ":w filename", but then the
6205 * original file will be somewhere else so the backup isn't really
6206 * important. If autoscripting is off the rename may fail.
6208 flock
= Lock((UBYTE
*)from
, (long)ACCESS_READ
);
6217 * First try a normal rename, return if it works.
6219 if (mch_rename((char *)from
, (char *)to
) == 0)
6223 * Rename() failed, try copying the file.
6225 perm
= mch_getperm(from
);
6227 /* For systems that support ACL: get the ACL from the original file. */
6228 acl
= mch_get_acl(from
);
6230 fd_in
= mch_open((char *)from
, O_RDONLY
|O_EXTRA
, 0);
6239 /* Create the new file with same permissions as the original. */
6240 fd_out
= mch_open((char *)to
,
6241 O_CREAT
|O_EXCL
|O_WRONLY
|O_EXTRA
|O_NOFOLLOW
, (int)perm
);
6251 buffer
= (char *)alloc(BUFSIZE
);
6262 while ((n
= vim_read(fd_in
, buffer
, BUFSIZE
)) > 0)
6263 if (vim_write(fd_out
, buffer
, n
) != n
)
6265 errmsg
= _("E208: Error writing to \"%s\"");
6271 if (close(fd_out
) < 0)
6272 errmsg
= _("E209: Error closing \"%s\"");
6275 errmsg
= _("E210: Error reading \"%s\"");
6278 #ifndef UNIX /* for Unix mch_open() already set the permission */
6279 mch_setperm(to
, perm
);
6282 mch_set_acl(to
, acl
);
6294 static int already_warned
= FALSE
;
6295 #ifdef FEAT_GUI_MACVIM
6296 static int default_reload_choice
= 0;
6300 * Check if any not hidden buffer has been changed.
6301 * Postpone the check if there are characters in the stuff buffer, a global
6302 * command is being executed, a mapping is being executed or an autocommand is
6304 * Returns TRUE if some message was written (screen should be redrawn and
6305 * cursor positioned).
6308 check_timestamps(focus
)
6309 int focus
; /* called for GUI focus event */
6315 /* Don't check timestamps while system() or another low-level function may
6316 * cause us to lose and gain focus. */
6317 if (no_check_timestamps
> 0)
6320 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus
6321 * event and we would keep on checking if the file is steadily growing.
6322 * Do check again after typing something. */
6323 if (focus
&& did_check_timestamps
)
6325 need_check_timestamps
= TRUE
;
6329 if (!stuff_empty() || global_busy
|| !typebuf_typed()
6331 || autocmd_busy
|| curbuf_lock
> 0
6334 need_check_timestamps
= TRUE
; /* check later */
6338 did_check_timestamps
= TRUE
;
6339 already_warned
= FALSE
;
6340 #ifdef FEAT_GUI_MACVIM
6341 default_reload_choice
= 0;
6343 for (buf
= firstbuf
; buf
!= NULL
; )
6345 /* Only check buffers in a window. */
6346 if (buf
->b_nwindows
> 0)
6348 n
= buf_check_timestamp(buf
, focus
);
6351 if (n
> 0 && !buf_valid(buf
))
6353 /* Autocommands have removed the buffer, start at the
6354 * first one again. */
6361 #ifdef FEAT_GUI_MACVIM
6362 default_reload_choice
= 0;
6365 need_check_timestamps
= FALSE
;
6366 if (need_wait_return
&& didit
== 2)
6368 /* make sure msg isn't overwritten */
6369 msg_puts((char_u
*)"\n");
6377 * Move all the lines from buffer "frombuf" to buffer "tobuf".
6378 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not
6382 move_lines(frombuf
, tobuf
)
6386 buf_T
*tbuf
= curbuf
;
6391 /* Copy the lines in "frombuf" to "tobuf". */
6393 for (lnum
= 1; lnum
<= frombuf
->b_ml
.ml_line_count
; ++lnum
)
6395 p
= vim_strsave(ml_get_buf(frombuf
, lnum
, FALSE
));
6396 if (p
== NULL
|| ml_append(lnum
- 1, p
, 0, FALSE
) == FAIL
)
6405 /* Delete all the lines in "frombuf". */
6409 for (lnum
= curbuf
->b_ml
.ml_line_count
; lnum
> 0; --lnum
)
6410 if (ml_delete(lnum
, FALSE
) == FAIL
)
6412 /* Oops! We could try putting back the saved lines, but that
6413 * might fail again... */
6424 * Check if buffer "buf" has been changed.
6425 * Also check if the file for a new buffer unexpectedly appeared.
6426 * return 1 if a changed buffer was found.
6427 * return 2 if a message has been displayed.
6428 * return 0 otherwise.
6432 buf_check_timestamp(buf
, focus
)
6434 int focus
; /* called for GUI focus event */
6443 int helpmesg
= FALSE
;
6445 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6446 int can_reload
= FALSE
;
6448 size_t orig_size
= buf
->b_orig_size
;
6449 int orig_mode
= buf
->b_orig_mode
;
6451 int save_mouse_correct
= need_mouse_correct
;
6454 static int busy
= FALSE
;
6460 /* If there is no file name, the buffer is not loaded, 'buftype' is
6461 * set, we are in the middle of a save or being called recursively: ignore
6463 if (buf
->b_ffname
== NULL
6464 || buf
->b_ml
.ml_mfp
== NULL
6465 #if defined(FEAT_QUICKFIX)
6466 || *buf
->b_p_bt
!= NUL
6472 #ifdef FEAT_NETBEANS_INTG
6473 || isNetbeansBuffer(buf
)
6478 if ( !(buf
->b_flags
& BF_NOTEDITED
)
6479 && buf
->b_mtime
!= 0
6480 && ((stat_res
= mch_stat((char *)buf
->b_ffname
, &st
)) < 0
6481 || time_differs((long)st
.st_mtime
, buf
->b_mtime
)
6483 || (int)st
.st_mode
!= buf
->b_orig_mode
6485 || mch_getperm(buf
->b_ffname
) != buf
->b_orig_mode
6491 /* set b_mtime to stop further warnings (e.g., when executing
6492 * FileChangedShell autocmd) */
6496 buf
->b_orig_size
= 0;
6497 buf
->b_orig_mode
= 0;
6500 buf_store_time(buf
, &st
, buf
->b_ffname
);
6502 /* Don't do anything for a directory. Might contain the file
6504 if (mch_isdir(buf
->b_fname
))
6508 * If 'autoread' is set, the buffer has no changes and the file still
6509 * exists, reload the buffer. Use the buffer-local option value if it
6510 * was set, the global option value otherwise.
6512 else if ((buf
->b_p_ar
>= 0 ? buf
->b_p_ar
: p_ar
)
6513 && !bufIsChanged(buf
) && stat_res
>= 0)
6519 else if (bufIsChanged(buf
))
6520 reason
= "conflict";
6521 else if (orig_size
!= buf
->b_orig_size
|| buf_contents_changed(buf
))
6523 else if (orig_mode
!= buf
->b_orig_mode
)
6530 * Only give the warning if there are no FileChangedShell
6532 * Avoid being called recursively by setting "busy".
6536 set_vim_var_string(VV_FCS_REASON
, (char_u
*)reason
, -1);
6537 set_vim_var_string(VV_FCS_CHOICE
, (char_u
*)"", -1);
6539 n
= apply_autocmds(EVENT_FILECHANGEDSHELL
,
6540 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6544 if (!buf_valid(buf
))
6545 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));
6547 s
= get_vim_var_str(VV_FCS_CHOICE
);
6548 if (STRCMP(s
, "reload") == 0 && *reason
!= 'd')
6550 else if (STRCMP(s
, "ask") == 0)
6560 mesg
= _("E211: File \"%s\" no longer available");
6564 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6568 * Check if the file contents really changed to avoid
6569 * giving a warning when only the timestamp was set (e.g.,
6570 * checked out of CVS). Always warn when the buffer was
6573 if (reason
[2] == 'n')
6575 mesg
= _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well");
6576 mesg2
= _("See \":help W12\" for more info.");
6578 else if (reason
[1] == 'h')
6580 mesg
= _("W11: Warning: File \"%s\" has changed since editing started");
6581 mesg2
= _("See \":help W11\" for more info.");
6583 else if (*reason
== 'm')
6585 mesg
= _("W16: Warning: Mode of file \"%s\" has changed since editing started");
6586 mesg2
= _("See \":help W16\" for more info.");
6588 /* Else: only timestamp changed, ignored */
6594 else if ((buf
->b_flags
& BF_NEW
) && !(buf
->b_flags
& BF_NEW_W
)
6595 && vim_fexists(buf
->b_ffname
))
6598 mesg
= _("W13: Warning: File \"%s\" has been created after editing started");
6599 buf
->b_flags
|= BF_NEW_W
;
6600 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6607 path
= home_replace_save(buf
, buf
->b_fname
);
6612 tbuf
= alloc((unsigned)(STRLEN(path
) + STRLEN(mesg
)
6613 + STRLEN(mesg2
) + 2));
6614 sprintf((char *)tbuf
, mesg
, path
);
6615 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6621 STRCAT(tbuf
, mesg2
);
6623 # ifdef FEAT_GUI_MACVIM
6624 if (default_reload_choice
> 0)
6626 if (default_reload_choice
== 2)
6631 switch (do_dialog(VIM_WARNING
, (char_u
*)_("Warning"), tbuf
,
6632 (char_u
*)_("&OK\n&Load File\nLoad &All\n&Ignore All"),
6636 default_reload_choice
= 2;
6641 default_reload_choice
= 1;
6646 if (do_dialog(VIM_WARNING
, (char_u
*)_("Warning"), tbuf
,
6647 (char_u
*)_("&OK\n&Load File"), 1, NULL
) == 2)
6653 if (State
> NORMAL_BUSY
|| (State
& CMDLINE
) || already_warned
)
6658 STRCAT(tbuf
, mesg2
);
6665 # ifdef FEAT_AUTOCMD
6670 msg_puts_attr(tbuf
, hl_attr(HLF_E
) + MSG_HIST
);
6672 msg_puts_attr((char_u
*)mesg2
,
6673 hl_attr(HLF_W
) + MSG_HIST
);
6676 if (emsg_silent
== 0)
6682 /* give the user some time to think about it */
6683 ui_delay(1000L, TRUE
);
6685 /* don't redraw and erase the message */
6686 redraw_cmdline
= FALSE
;
6689 already_warned
= TRUE
;
6698 /* Reload the buffer. */
6699 buf_reload(buf
, orig_mode
);
6702 /* Trigger FileChangedShell when the file was changed in any way. */
6703 if (buf_valid(buf
) && retval
!= 0)
6704 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST
,
6705 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6708 /* restore this in case an autocommand has set it; it would break
6710 need_mouse_correct
= save_mouse_correct
;
6717 * Reload a buffer that is already loaded.
6718 * Used when the file was changed outside of Vim.
6719 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected.
6720 * buf->b_orig_mode may have been reset already.
6723 buf_reload(buf
, orig_mode
)
6729 linenr_T old_topline
;
6730 int old_ro
= buf
->b_p_ro
;
6735 /* set curwin/curbuf for "buf" and save some things */
6736 aucmd_prepbuf(&aco
, buf
);
6738 /* We only want to read the text from the file, not reset the syntax
6739 * highlighting, clear marks, diff status, etc. Force the fileformat
6740 * and encoding to be the same. */
6741 if (prep_exarg(&ea
, buf
) == OK
)
6743 old_cursor
= curwin
->w_cursor
;
6744 old_topline
= curwin
->w_topline
;
6747 * To behave like when a new file is edited (matters for
6748 * BufReadPost autocommands) we first need to delete the current
6749 * buffer contents. But if reading the file fails we should keep
6750 * the old contents. Can't use memory only, the file might be
6751 * too big. Use a hidden buffer to move the buffer contents to.
6757 /* Allocate a buffer without putting it in the buffer list. */
6758 savebuf
= buflist_new(NULL
, NULL
, (linenr_T
)1, BLN_DUMMY
);
6759 if (savebuf
!= NULL
&& buf
== curbuf
)
6761 /* Open the memline. */
6763 curwin
->w_buffer
= savebuf
;
6764 saved
= ml_open(curbuf
);
6766 curwin
->w_buffer
= buf
;
6768 if (savebuf
== NULL
|| saved
== FAIL
|| buf
!= curbuf
6769 || move_lines(buf
, savebuf
) == FAIL
)
6771 EMSG2(_("E462: Could not prepare for reloading \"%s\""),
6779 curbuf
->b_flags
|= BF_CHECK_RO
; /* check for RO again */
6781 keep_filetype
= TRUE
; /* don't detect 'filetype' */
6783 if (readfile(buf
->b_ffname
, buf
->b_fname
, (linenr_T
)0,
6785 (linenr_T
)MAXLNUM
, &ea
, READ_NEW
) == FAIL
)
6787 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
6790 EMSG2(_("E321: Could not reload \"%s\""), buf
->b_fname
);
6791 if (savebuf
!= NULL
&& buf_valid(savebuf
) && buf
== curbuf
)
6793 /* Put the text back from the save buffer. First
6794 * delete any lines that readfile() added. */
6796 if (ml_delete(buf
->b_ml
.ml_line_count
, FALSE
) == FAIL
)
6798 (void)move_lines(savebuf
, buf
);
6801 else if (buf
== curbuf
)
6803 /* Mark the buffer as unmodified and free undo info. */
6804 unchanged(buf
, TRUE
);
6811 if (savebuf
!= NULL
&& buf_valid(savebuf
))
6812 wipe_buffer(savebuf
, FALSE
);
6815 /* Invalidate diff info if necessary. */
6816 diff_invalidate(curbuf
);
6819 /* Restore the topline and cursor position and check it (lines may
6820 * have been removed). */
6821 if (old_topline
> curbuf
->b_ml
.ml_line_count
)
6822 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
6824 curwin
->w_topline
= old_topline
;
6825 curwin
->w_cursor
= old_cursor
;
6829 keep_filetype
= FALSE
;
6835 /* Update folds unless they are defined manually. */
6837 if (wp
->w_buffer
== curwin
->w_buffer
6838 && !foldmethodIsManual(wp
))
6842 /* If the mode didn't change and 'readonly' was set, keep the old
6843 * value; the user probably used the ":view" command. But don't
6844 * reset it, might have had a read error. */
6845 if (orig_mode
== curbuf
->b_orig_mode
)
6846 curbuf
->b_p_ro
|= old_ro
;
6849 /* restore curwin/curbuf and a few other things */
6850 aucmd_restbuf(&aco
);
6851 /* Careful: autocommands may have made "buf" invalid! */
6856 buf_store_time(buf
, st
, fname
)
6861 buf
->b_mtime
= (long)st
->st_mtime
;
6862 buf
->b_orig_size
= (size_t)st
->st_size
;
6864 buf
->b_orig_mode
= (int)st
->st_mode
;
6866 buf
->b_orig_mode
= mch_getperm(fname
);
6871 * Adjust the line with missing eol, used for the next write.
6872 * Used for do_filter(), when the input lines for the filter are deleted.
6875 write_lnum_adjust(offset
)
6878 if (write_no_eol_lnum
!= 0) /* only if there is a missing eol */
6879 write_no_eol_lnum
+= offset
;
6882 #if defined(TEMPDIRNAMES) || defined(PROTO)
6883 static long temp_count
= 0; /* Temp filename counter. */
6886 * Delete the temp directory and all files it contains.
6895 if (vim_tempdir
!= NULL
)
6897 sprintf((char *)NameBuff
, "%s*", vim_tempdir
);
6898 if (gen_expand_wildcards(1, &NameBuff
, &file_count
, &files
,
6899 EW_DIR
|EW_FILE
|EW_SILENT
) == OK
)
6901 for (i
= 0; i
< file_count
; ++i
)
6902 mch_remove(files
[i
]);
6903 FreeWild(file_count
, files
);
6905 gettail(NameBuff
)[-1] = NUL
;
6906 (void)mch_rmdir(NameBuff
);
6908 vim_free(vim_tempdir
);
6915 * vim_tempname(): Return a unique name that can be used for a temp file.
6917 * The temp file is NOT created.
6919 * The returned pointer is to allocated memory.
6920 * The returned pointer is NULL if no valid name was found.
6924 vim_tempname(extra_char
)
6925 int extra_char
; /* character to use in the name instead of '?' */
6928 char_u itmp
[L_tmpnam
]; /* use tmpnam() */
6930 char_u itmp
[TEMPNAMELEN
];
6934 static char *(tempdirs
[]) = {TEMPDIRNAMES
};
6943 * This will create a directory for private use by this instance of Vim.
6944 * This is done once, and the same directory is used for all temp files.
6945 * This method avoids security problems because of symlink attacks et al.
6946 * It's also a bit faster, because we only need to check for an existing
6947 * file when creating the directory and not for each temp file.
6949 if (vim_tempdir
== NULL
)
6952 * Try the entries in TEMPDIRNAMES to create the temp directory.
6954 for (i
= 0; i
< sizeof(tempdirs
) / sizeof(char *); ++i
)
6956 /* expand $TMP, leave room for "/v1100000/999999999" */
6957 expand_env((char_u
*)tempdirs
[i
], itmp
, TEMPNAMELEN
- 20);
6958 if (mch_isdir(itmp
)) /* directory exists */
6961 /* If $TMP contains a forward slash (perhaps using bash or
6962 * tcsh), don't add a backslash, use a forward slash!
6963 * Adding 2 backslashes didn't work. */
6964 if (vim_strchr(itmp
, '/') != NULL
)
6970 /* Get an arbitrary number of up to 6 digits. When it's
6971 * unlikely that it already exists it will be faster,
6972 * otherwise it doesn't matter. The use of mkdir() avoids any
6973 * security problems because of the predictable number. */
6974 nr
= (mch_get_pid() + (long)time(NULL
)) % 1000000L;
6976 /* Try up to 10000 different values until we find a name that
6978 for (off
= 0; off
< 10000L; ++off
)
6981 #if defined(UNIX) || defined(VMS)
6985 sprintf((char *)itmp
+ STRLEN(itmp
), "v%ld", nr
+ off
);
6987 /* If mkdir() does not set errno to EEXIST, check for
6988 * existing file here. There is a race condition then,
6989 * although it's fail-safe. */
6990 if (mch_stat((char *)itmp
, &st
) >= 0)
6993 #if defined(UNIX) || defined(VMS)
6994 /* Make sure the umask doesn't remove the executable bit.
6995 * "repl" has been reported to use "177". */
6996 umask_save
= umask(077);
6998 r
= vim_mkdir(itmp
, 0700);
6999 #if defined(UNIX) || defined(VMS)
7000 (void)umask(umask_save
);
7006 /* Directory was created, use this name.
7007 * Expand to full path; When using the current
7008 * directory a ":cd" would confuse us. */
7009 buf
= alloc((unsigned)MAXPATHL
+ 1);
7012 if (vim_FullName(itmp
, buf
, MAXPATHL
, FALSE
)
7016 if (vim_strchr(buf
, '/') != NULL
)
7021 vim_tempdir
= vim_strsave(buf
);
7027 /* If the mkdir() didn't fail because the file/dir exists,
7028 * we probably can't create any dir here, try another
7030 if (errno
!= EEXIST
)
7034 if (vim_tempdir
!= NULL
)
7040 if (vim_tempdir
!= NULL
)
7042 /* There is no need to check if the file exists, because we own the
7043 * directory and nobody else creates a file in it. */
7044 sprintf((char *)itmp
, "%s%ld", vim_tempdir
, temp_count
++);
7045 return vim_strsave(itmp
);
7050 #else /* TEMPDIRNAMES */
7053 char szTempFile
[_MAX_PATH
+ 1];
7059 if (GetTempPath(_MAX_PATH
, szTempFile
) == 0)
7060 szTempFile
[0] = NUL
; /* GetTempPath() failed, use current dir */
7061 strcpy(buf4
, "VIM");
7062 buf4
[2] = extra_char
; /* make it "VIa", "VIb", etc. */
7063 if (GetTempFileName(szTempFile
, buf4
, 0, itmp
) == 0)
7065 /* GetTempFileName() will create the file, we don't want that */
7066 (void)DeleteFile(itmp
);
7068 /* Backslashes in a temp file name cause problems when filtering with
7069 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who
7070 * didn't set 'shellslash'. */
7071 retval
= vim_strsave(itmp
);
7072 if (*p_shcf
== '-' || p_ssl
)
7073 for (p
= retval
; *p
; ++p
)
7078 # else /* WIN3264 */
7081 /* tmpnam() will make its own name */
7082 if (*tmpnam((char *)itmp
) == NUL
)
7088 /* mktemp() is not working on VMS. It seems to be
7089 * a do-nothing function. Therefore we use tempnam().
7091 sprintf((char *)itmp
, "VIM%c", extra_char
);
7092 p
= (char_u
*)tempnam("tmp:", (char *)itmp
);
7095 /* VMS will use '.LOG' if we don't explicitly specify an extension,
7096 * and VIM will then be unable to find the file later */
7098 STRCAT(itmp
, ".txt");
7104 STRCPY(itmp
, TEMPNAME
);
7105 if ((p
= vim_strchr(itmp
, '?')) != NULL
)
7107 if (mktemp((char *)itmp
) == NULL
)
7112 return vim_strsave(itmp
);
7113 # endif /* WIN3264 */
7114 #endif /* TEMPDIRNAMES */
7117 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7119 * Convert all backslashes in fname to forward slashes in-place.
7122 forward_slash(fname
)
7127 for (p
= fname
; *p
!= NUL
; ++p
)
7129 /* The Big5 encoding can have '\' in the trail byte. */
7130 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
7141 * Code for automatic commands.
7143 * Only included when "FEAT_AUTOCMD" has been defined.
7146 #if defined(FEAT_AUTOCMD) || defined(PROTO)
7149 * The autocommands are stored in a list for each event.
7150 * Autocommands for the same pattern, that are consecutive, are joined
7151 * together, to avoid having to match the pattern too often.
7152 * The result is an array of Autopat lists, which point to AutoCmd lists:
7154 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL
7155 * Autopat.cmds Autopat.cmds
7158 * AutoCmd.next AutoCmd.next
7166 * first_autopat[1] --> Autopat.next --> NULL
7176 * The order of AutoCmds is important, this is the order in which they were
7177 * defined and will have to be executed.
7179 typedef struct AutoCmd
7181 char_u
*cmd
; /* The command to be executed (NULL
7182 when command has been removed) */
7183 char nested
; /* If autocommands nest here */
7184 char last
; /* last command in list */
7186 scid_T scriptID
; /* script ID where defined */
7188 struct AutoCmd
*next
; /* Next AutoCmd in list */
7191 typedef struct AutoPat
7193 int group
; /* group ID */
7194 char_u
*pat
; /* pattern as typed (NULL when pattern
7195 has been removed) */
7196 int patlen
; /* strlen() of pat */
7197 regprog_T
*reg_prog
; /* compiled regprog for pattern */
7198 char allow_dirs
; /* Pattern may match whole path */
7199 char last
; /* last pattern for apply_autocmds() */
7200 AutoCmd
*cmds
; /* list of commands to do */
7201 struct AutoPat
*next
; /* next AutoPat in AutoPat list */
7202 int buflocal_nr
; /* !=0 for buffer-local AutoPat */
7205 static struct event_name
7207 char *name
; /* event name */
7208 event_T event
; /* event number */
7211 {"BufAdd", EVENT_BUFADD
},
7212 {"BufCreate", EVENT_BUFADD
},
7213 {"BufDelete", EVENT_BUFDELETE
},
7214 {"BufEnter", EVENT_BUFENTER
},
7215 {"BufFilePost", EVENT_BUFFILEPOST
},
7216 {"BufFilePre", EVENT_BUFFILEPRE
},
7217 {"BufHidden", EVENT_BUFHIDDEN
},
7218 {"BufLeave", EVENT_BUFLEAVE
},
7219 {"BufNew", EVENT_BUFNEW
},
7220 {"BufNewFile", EVENT_BUFNEWFILE
},
7221 {"BufRead", EVENT_BUFREADPOST
},
7222 {"BufReadCmd", EVENT_BUFREADCMD
},
7223 {"BufReadPost", EVENT_BUFREADPOST
},
7224 {"BufReadPre", EVENT_BUFREADPRE
},
7225 {"BufUnload", EVENT_BUFUNLOAD
},
7226 {"BufWinEnter", EVENT_BUFWINENTER
},
7227 {"BufWinLeave", EVENT_BUFWINLEAVE
},
7228 {"BufWipeout", EVENT_BUFWIPEOUT
},
7229 {"BufWrite", EVENT_BUFWRITEPRE
},
7230 {"BufWritePost", EVENT_BUFWRITEPOST
},
7231 {"BufWritePre", EVENT_BUFWRITEPRE
},
7232 {"BufWriteCmd", EVENT_BUFWRITECMD
},
7233 {"CmdwinEnter", EVENT_CMDWINENTER
},
7234 {"CmdwinLeave", EVENT_CMDWINLEAVE
},
7235 {"ColorScheme", EVENT_COLORSCHEME
},
7236 {"CursorHold", EVENT_CURSORHOLD
},
7237 {"CursorHoldI", EVENT_CURSORHOLDI
},
7238 {"CursorMoved", EVENT_CURSORMOVED
},
7239 {"CursorMovedI", EVENT_CURSORMOVEDI
},
7240 {"EncodingChanged", EVENT_ENCODINGCHANGED
},
7241 {"FileEncoding", EVENT_ENCODINGCHANGED
},
7242 {"FileAppendPost", EVENT_FILEAPPENDPOST
},
7243 {"FileAppendPre", EVENT_FILEAPPENDPRE
},
7244 {"FileAppendCmd", EVENT_FILEAPPENDCMD
},
7245 {"FileChangedShell",EVENT_FILECHANGEDSHELL
},
7246 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST
},
7247 {"FileChangedRO", EVENT_FILECHANGEDRO
},
7248 {"FileReadPost", EVENT_FILEREADPOST
},
7249 {"FileReadPre", EVENT_FILEREADPRE
},
7250 {"FileReadCmd", EVENT_FILEREADCMD
},
7251 {"FileType", EVENT_FILETYPE
},
7252 {"FileWritePost", EVENT_FILEWRITEPOST
},
7253 {"FileWritePre", EVENT_FILEWRITEPRE
},
7254 {"FileWriteCmd", EVENT_FILEWRITECMD
},
7255 {"FilterReadPost", EVENT_FILTERREADPOST
},
7256 {"FilterReadPre", EVENT_FILTERREADPRE
},
7257 {"FilterWritePost", EVENT_FILTERWRITEPOST
},
7258 {"FilterWritePre", EVENT_FILTERWRITEPRE
},
7259 {"FocusGained", EVENT_FOCUSGAINED
},
7260 {"FocusLost", EVENT_FOCUSLOST
},
7261 {"FuncUndefined", EVENT_FUNCUNDEFINED
},
7262 {"GUIEnter", EVENT_GUIENTER
},
7263 {"GUIFailed", EVENT_GUIFAILED
},
7264 {"InsertChange", EVENT_INSERTCHANGE
},
7265 {"InsertEnter", EVENT_INSERTENTER
},
7266 {"InsertLeave", EVENT_INSERTLEAVE
},
7267 {"MenuPopup", EVENT_MENUPOPUP
},
7268 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST
},
7269 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE
},
7270 {"RemoteReply", EVENT_REMOTEREPLY
},
7271 {"SessionLoadPost", EVENT_SESSIONLOADPOST
},
7272 {"ShellCmdPost", EVENT_SHELLCMDPOST
},
7273 {"ShellFilterPost", EVENT_SHELLFILTERPOST
},
7274 {"SourcePre", EVENT_SOURCEPRE
},
7275 {"SourceCmd", EVENT_SOURCECMD
},
7276 {"SpellFileMissing",EVENT_SPELLFILEMISSING
},
7277 {"StdinReadPost", EVENT_STDINREADPOST
},
7278 {"StdinReadPre", EVENT_STDINREADPRE
},
7279 {"SwapExists", EVENT_SWAPEXISTS
},
7280 {"Syntax", EVENT_SYNTAX
},
7281 {"TabEnter", EVENT_TABENTER
},
7282 {"TabLeave", EVENT_TABLEAVE
},
7283 {"TermChanged", EVENT_TERMCHANGED
},
7284 {"TermResponse", EVENT_TERMRESPONSE
},
7285 {"User", EVENT_USER
},
7286 {"VimEnter", EVENT_VIMENTER
},
7287 {"VimLeave", EVENT_VIMLEAVE
},
7288 {"VimLeavePre", EVENT_VIMLEAVEPRE
},
7289 {"WinEnter", EVENT_WINENTER
},
7290 {"WinLeave", EVENT_WINLEAVE
},
7291 {"VimResized", EVENT_VIMRESIZED
},
7295 static AutoPat
*first_autopat
[NUM_EVENTS
] =
7297 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7298 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7299 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7300 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7301 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7302 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
7306 * struct used to keep status while executing autocommands for an event.
7308 typedef struct AutoPatCmd
7310 AutoPat
*curpat
; /* next AutoPat to examine */
7311 AutoCmd
*nextcmd
; /* next AutoCmd to execute */
7312 int group
; /* group being used */
7313 char_u
*fname
; /* fname to match with */
7314 char_u
*sfname
; /* sfname to match with */
7315 char_u
*tail
; /* tail of fname */
7316 event_T event
; /* current event */
7317 int arg_bufnr
; /* initially equal to <abuf>, set to zero when
7319 struct AutoPatCmd
*next
; /* chain of active apc-s for auto-invalidation*/
7322 static AutoPatCmd
*active_apc_list
= NULL
; /* stack of active autocommands */
7325 * augroups stores a list of autocmd group names.
7327 static garray_T augroups
= {0, 0, sizeof(char_u
*), 10, NULL
};
7328 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i])
7331 * The ID of the current group. Group 0 is the default one.
7333 static int current_augroup
= AUGROUP_DEFAULT
;
7335 static int au_need_clean
= FALSE
; /* need to delete marked patterns */
7337 static void show_autocmd
__ARGS((AutoPat
*ap
, event_T event
));
7338 static void au_remove_pat
__ARGS((AutoPat
*ap
));
7339 static void au_remove_cmds
__ARGS((AutoPat
*ap
));
7340 static void au_cleanup
__ARGS((void));
7341 static int au_new_group
__ARGS((char_u
*name
));
7342 static void au_del_group
__ARGS((char_u
*name
));
7343 static event_T event_name2nr
__ARGS((char_u
*start
, char_u
**end
));
7344 static char_u
*event_nr2name
__ARGS((event_T event
));
7345 static char_u
*find_end_event
__ARGS((char_u
*arg
, int have_group
));
7346 static int event_ignored
__ARGS((event_T event
));
7347 static int au_get_grouparg
__ARGS((char_u
**argp
));
7348 static int do_autocmd_event
__ARGS((event_T event
, char_u
*pat
, int nested
, char_u
*cmd
, int forceit
, int group
));
7349 static char_u
*getnextac
__ARGS((int c
, void *cookie
, int indent
));
7350 static int apply_autocmds_group
__ARGS((event_T event
, char_u
*fname
, char_u
*fname_io
, int force
, int group
, buf_T
*buf
, exarg_T
*eap
));
7351 static void auto_next_pat
__ARGS((AutoPatCmd
*apc
, int stop_at_last
));
7354 static event_T last_event
;
7355 static int last_group
;
7356 static int autocmd_blocked
= 0; /* block all autocmds */
7359 * Show the autocommands for one AutoPat.
7362 show_autocmd(ap
, event
)
7368 /* Check for "got_int" (here and at various places below), which is set
7369 * when "q" has been hit for the "--more--" prompt */
7372 if (ap
->pat
== NULL
) /* pattern has been removed */
7378 if (event
!= last_event
|| ap
->group
!= last_group
)
7380 if (ap
->group
!= AUGROUP_DEFAULT
)
7382 if (AUGROUP_NAME(ap
->group
) == NULL
)
7383 msg_puts_attr((char_u
*)_("--Deleted--"), hl_attr(HLF_E
));
7385 msg_puts_attr(AUGROUP_NAME(ap
->group
), hl_attr(HLF_T
));
7386 msg_puts((char_u
*)" ");
7388 msg_puts_attr(event_nr2name(event
), hl_attr(HLF_T
));
7390 last_group
= ap
->group
;
7396 msg_outtrans(ap
->pat
);
7398 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7400 if (ac
->cmd
!= NULL
) /* skip removed commands */
7407 msg_outtrans(ac
->cmd
);
7410 last_set_msg(ac
->scriptID
);
7414 if (ac
->next
!= NULL
)
7425 * Mark an autocommand pattern for deletion.
7433 ap
->buflocal_nr
= -1;
7434 au_need_clean
= TRUE
;
7438 * Mark all commands for a pattern for deletion.
7446 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7451 au_need_clean
= TRUE
;
7455 * Cleanup autocommands and patterns that have been deleted.
7456 * This is only done when not executing autocommands.
7461 AutoPat
*ap
, **prev_ap
;
7462 AutoCmd
*ac
, **prev_ac
;
7465 if (autocmd_busy
|| !au_need_clean
)
7468 /* loop over all events */
7469 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7470 event
= (event_T
)((int)event
+ 1))
7472 /* loop over all autocommand patterns */
7473 prev_ap
= &(first_autopat
[(int)event
]);
7474 for (ap
= *prev_ap
; ap
!= NULL
; ap
= *prev_ap
)
7476 /* loop over all commands for this pattern */
7477 prev_ac
= &(ap
->cmds
);
7478 for (ac
= *prev_ac
; ac
!= NULL
; ac
= *prev_ac
)
7480 /* remove the command if the pattern is to be deleted or when
7481 * the command has been marked for deletion */
7482 if (ap
->pat
== NULL
|| ac
->cmd
== NULL
)
7484 *prev_ac
= ac
->next
;
7489 prev_ac
= &(ac
->next
);
7492 /* remove the pattern if it has been marked for deletion */
7493 if (ap
->pat
== NULL
)
7495 *prev_ap
= ap
->next
;
7496 vim_free(ap
->reg_prog
);
7500 prev_ap
= &(ap
->next
);
7504 au_need_clean
= FALSE
;
7508 * Called when buffer is freed, to remove/invalidate related buffer-local
7512 aubuflocal_remove(buf
)
7519 /* invalidate currently executing autocommands */
7520 for (apc
= active_apc_list
; apc
; apc
= apc
->next
)
7521 if (buf
->b_fnum
== apc
->arg_bufnr
)
7524 /* invalidate buflocals looping through events */
7525 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7526 event
= (event_T
)((int)event
+ 1))
7527 /* loop over all autocommand patterns */
7528 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
7529 if (ap
->buflocal_nr
== buf
->b_fnum
)
7536 _("auto-removing autocommand: %s <buffer=%d>"),
7537 event_nr2name(event
), buf
->b_fnum
);
7545 * Add an autocmd group name.
7546 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7554 i
= au_find_group(name
);
7555 if (i
== AUGROUP_ERROR
) /* the group doesn't exist yet, add it */
7557 /* First try using a free entry. */
7558 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7559 if (AUGROUP_NAME(i
) == NULL
)
7561 if (i
== augroups
.ga_len
&& ga_grow(&augroups
, 1) == FAIL
)
7562 return AUGROUP_ERROR
;
7564 AUGROUP_NAME(i
) = vim_strsave(name
);
7565 if (AUGROUP_NAME(i
) == NULL
)
7566 return AUGROUP_ERROR
;
7567 if (i
== augroups
.ga_len
)
7580 i
= au_find_group(name
);
7581 if (i
== AUGROUP_ERROR
) /* the group doesn't exist */
7582 EMSG2(_("E367: No such group: \"%s\""), name
);
7585 vim_free(AUGROUP_NAME(i
));
7586 AUGROUP_NAME(i
) = NULL
;
7591 * Find the ID of an autocmd group name.
7592 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7600 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7601 if (AUGROUP_NAME(i
) != NULL
&& STRCMP(AUGROUP_NAME(i
), name
) == 0)
7603 return AUGROUP_ERROR
;
7607 * Return TRUE if augroup "name" exists.
7613 return au_find_group(name
) != AUGROUP_ERROR
;
7617 * ":augroup {name}".
7620 do_augroup(arg
, del_group
)
7633 else if (STRICMP(arg
, "end") == 0) /* ":aug end": back to group 0 */
7634 current_augroup
= AUGROUP_DEFAULT
;
7635 else if (*arg
) /* ":aug xxx": switch to group xxx */
7637 i
= au_new_group(arg
);
7638 if (i
!= AUGROUP_ERROR
)
7639 current_augroup
= i
;
7641 else /* ":aug": list the group names */
7644 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7646 if (AUGROUP_NAME(i
) != NULL
)
7648 msg_puts(AUGROUP_NAME(i
));
7649 msg_puts((char_u
*)" ");
7657 #if defined(EXITFREE) || defined(PROTO)
7661 for (current_augroup
= -1; current_augroup
< augroups
.ga_len
;
7663 do_autocmd((char_u
*)"", TRUE
);
7664 ga_clear_strings(&augroups
);
7669 * Return the event number for event name "start".
7670 * Return NUM_EVENTS if the event name was not found.
7671 * Return a pointer to the next event name in "end".
7674 event_name2nr(start
, end
)
7682 /* the event name ends with end of line, a blank or a comma */
7683 for (p
= start
; *p
&& !vim_iswhite(*p
) && *p
!= ','; ++p
)
7685 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7687 len
= (int)STRLEN(event_names
[i
].name
);
7688 if (len
== p
- start
&& STRNICMP(event_names
[i
].name
, start
, len
) == 0)
7694 if (event_names
[i
].name
== NULL
)
7696 return event_names
[i
].event
;
7700 * Return the name for event "event".
7703 event_nr2name(event
)
7708 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7709 if (event_names
[i
].event
== event
)
7710 return (char_u
*)event_names
[i
].name
;
7711 return (char_u
*)"Unknown";
7715 * Scan over the events. "*" stands for all events.
7718 find_end_event(arg
, have_group
)
7720 int have_group
; /* TRUE when group name was found */
7727 if (arg
[1] && !vim_iswhite(arg
[1]))
7729 EMSG2(_("E215: Illegal character after *: %s"), arg
);
7736 for (pat
= arg
; *pat
&& !vim_iswhite(*pat
); pat
= p
)
7738 if ((int)event_name2nr(pat
, &p
) >= (int)NUM_EVENTS
)
7741 EMSG2(_("E216: No such event: %s"), pat
);
7743 EMSG2(_("E216: No such group or event: %s"), pat
);
7752 * Return TRUE if "event" is included in 'eventignore'.
7755 event_ignored(event
)
7762 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7764 if (event_name2nr(p
, &p
) == event
)
7772 * Return OK when the contents of p_ei is valid, FAIL otherwise.
7781 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7787 else if (event_name2nr(p
, &p
) == NUM_EVENTS
)
7794 # if defined(FEAT_SYN_HL) || defined(PROTO)
7797 * Add "what" to 'eventignore' to skip loading syntax highlighting for every
7798 * buffer loaded into the window. "what" must start with a comma.
7799 * Returns the old value of 'eventignore' in allocated memory.
7802 au_event_disable(what
)
7808 save_ei
= vim_strsave(p_ei
);
7809 if (save_ei
!= NULL
)
7811 new_ei
= vim_strnsave(p_ei
, (int)(STRLEN(p_ei
) + STRLEN(what
)));
7814 STRCAT(new_ei
, what
);
7815 set_string_option_direct((char_u
*)"ei", -1, new_ei
,
7816 OPT_FREE
, SID_NONE
);
7824 au_event_restore(old_ei
)
7829 set_string_option_direct((char_u
*)"ei", -1, old_ei
,
7830 OPT_FREE
, SID_NONE
);
7834 # endif /* FEAT_SYN_HL */
7837 * do_autocmd() -- implements the :autocmd command. Can be used in the
7840 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that
7841 * will be automatically executed for <event>
7842 * when editing a file matching <pat>, in
7843 * the current group.
7844 * :autocmd <event> <pat> Show the auto-commands associated with
7845 * <event> and <pat>.
7846 * :autocmd <event> Show the auto-commands associated with
7848 * :autocmd Show all auto-commands.
7849 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with
7850 * <event> and <pat>, and add the command
7851 * <cmd>, for the current group.
7852 * :autocmd! <event> <pat> Remove all auto-commands associated with
7853 * <event> and <pat> for the current group.
7854 * :autocmd! <event> Remove all auto-commands associated with
7855 * <event> for the current group.
7856 * :autocmd! Remove ALL auto-commands for the current
7859 * Multiple events and patterns may be given separated by commas. Here are
7861 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic
7862 * :autocmd bufleave * set tw=79 nosmartindent ic infercase
7864 * :autocmd * *.c show all autocommands for *.c files.
7866 * Mostly a {group} argument can optionally appear before <event>.
7869 do_autocmd(arg
, forceit
)
7874 char_u
*envpat
= NULL
;
7877 int need_free
= FALSE
;
7882 * Check for a legal group name. If not, use AUGROUP_ALL.
7884 group
= au_get_grouparg(&arg
);
7885 if (arg
== NULL
) /* out of memory */
7889 * Scan over the events.
7890 * If we find an illegal name, return here, don't do anything.
7892 pat
= find_end_event(arg
, group
!= AUGROUP_ALL
);
7897 * Scan over the pattern. Put a NUL at the end.
7899 pat
= skipwhite(pat
);
7901 while (*cmd
&& (!vim_iswhite(*cmd
) || cmd
[-1] == '\\'))
7906 /* Expand environment variables in the pattern. Set 'shellslash', we want
7907 * forward slashes here. */
7908 if (vim_strchr(pat
, '$') != NULL
|| vim_strchr(pat
, '~') != NULL
)
7910 #ifdef BACKSLASH_IN_FILENAME
7911 int p_ssl_save
= p_ssl
;
7915 envpat
= expand_env_save(pat
);
7916 #ifdef BACKSLASH_IN_FILENAME
7924 * Check for "nested" flag.
7926 cmd
= skipwhite(cmd
);
7927 if (*cmd
!= NUL
&& STRNCMP(cmd
, "nested", 6) == 0 && vim_iswhite(cmd
[6]))
7930 cmd
= skipwhite(cmd
+ 6);
7934 * Find the start of the commands.
7935 * Expand <sfile> in it.
7939 cmd
= expand_sfile(cmd
);
7940 if (cmd
== NULL
) /* some error */
7946 * Print header when showing autocommands.
7948 if (!forceit
&& *cmd
== NUL
)
7950 /* Highlight title */
7951 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---"));
7955 * Loop over the events.
7957 last_event
= (event_T
)-1; /* for listing the event name */
7958 last_group
= AUGROUP_ERROR
; /* for listing the group name */
7959 if (*arg
== '*' || *arg
== NUL
)
7961 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7962 event
= (event_T
)((int)event
+ 1))
7963 if (do_autocmd_event(event
, pat
,
7964 nested
, cmd
, forceit
, group
) == FAIL
)
7969 while (*arg
&& !vim_iswhite(*arg
))
7970 if (do_autocmd_event(event_name2nr(arg
, &arg
), pat
,
7971 nested
, cmd
, forceit
, group
) == FAIL
)
7981 * Find the group ID in a ":autocmd" or ":doautocmd" argument.
7982 * The "argp" argument is advanced to the following argument.
7984 * Returns the group ID, AUGROUP_ERROR for error (out of memory).
7987 au_get_grouparg(argp
)
7992 char_u
*arg
= *argp
;
7993 int group
= AUGROUP_ALL
;
7995 p
= skiptowhite(arg
);
7998 group_name
= vim_strnsave(arg
, (int)(p
- arg
));
7999 if (group_name
== NULL
) /* out of memory */
8000 return AUGROUP_ERROR
;
8001 group
= au_find_group(group_name
);
8002 if (group
== AUGROUP_ERROR
)
8003 group
= AUGROUP_ALL
; /* no match, use all groups */
8005 *argp
= skipwhite(p
); /* match, skip over group name */
8006 vim_free(group_name
);
8012 * do_autocmd() for one event.
8013 * If *pat == NUL do for all patterns.
8014 * If *cmd == NUL show entries.
8015 * If forceit == TRUE delete entries.
8016 * If group is not AUGROUP_ALL, only use this group.
8019 do_autocmd_event(event
, pat
, nested
, cmd
, forceit
, group
)
8038 char_u buflocal_pat
[25]; /* for "<buffer=X>" */
8040 if (group
== AUGROUP_ALL
)
8041 findgroup
= current_augroup
;
8044 allgroups
= (group
== AUGROUP_ALL
&& !forceit
&& *cmd
== NUL
);
8047 * Show or delete all patterns for an event.
8051 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
8053 if (forceit
) /* delete the AutoPat, if it's in the current group */
8055 if (ap
->group
== findgroup
)
8058 else if (group
== AUGROUP_ALL
|| ap
->group
== group
)
8059 show_autocmd(ap
, event
);
8064 * Loop through all the specified patterns.
8066 for ( ; *pat
; pat
= (*endpat
== ',' ? endpat
+ 1 : endpat
))
8069 * Find end of the pattern.
8070 * Watch out for a comma in braces, like "*.\{obj,o\}".
8073 for (endpat
= pat
; *endpat
&& (*endpat
!= ',' || brace_level
8074 || endpat
[-1] == '\\'); ++endpat
)
8078 else if (*endpat
== '}')
8081 if (pat
== endpat
) /* ignore single comma */
8083 patlen
= (int)(endpat
- pat
);
8086 * detect special <buflocal[=X]> buffer-local patterns
8088 is_buflocal
= FALSE
;
8091 if (patlen
>= 7 && STRNCMP(pat
, "<buffer", 7) == 0
8092 && pat
[patlen
- 1] == '>')
8094 /* Error will be printed only for addition. printing and removing
8095 * will proceed silently. */
8098 buflocal_nr
= curbuf
->b_fnum
;
8099 else if (patlen
> 9 && pat
[7] == '=')
8102 if (patlen
== 13 && STRNICMP(pat
, "<buffer=abuf>", 13))
8103 buflocal_nr
= autocmd_bufnr
;
8105 else if (skipdigits(pat
+ 8) == pat
+ patlen
- 1)
8106 buflocal_nr
= atoi((char *)pat
+ 8);
8112 /* normalize pat into standard "<buffer>#N" form */
8113 sprintf((char *)buflocal_pat
, "<buffer=%d>", buflocal_nr
);
8114 pat
= buflocal_pat
; /* can modify pat and patlen */
8115 patlen
= (int)STRLEN(buflocal_pat
); /* but not endpat */
8119 * Find AutoPat entries with this pattern.
8121 prev_ap
= &first_autopat
[(int)event
];
8122 while ((ap
= *prev_ap
) != NULL
)
8124 if (ap
->pat
!= NULL
)
8126 /* Accept a pattern when:
8127 * - a group was specified and it's that group, or a group was
8128 * not specified and it's the current group, or a group was
8129 * not specified and we are listing
8130 * - the length of the pattern matches
8131 * - the pattern matches.
8132 * For <buffer[=X]>, this condition works because we normalize
8133 * all buffer-local patterns.
8135 if ((allgroups
|| ap
->group
== findgroup
)
8136 && ap
->patlen
== patlen
8137 && STRNCMP(pat
, ap
->pat
, patlen
) == 0)
8140 * Remove existing autocommands.
8141 * If adding any new autocmd's for this AutoPat, don't
8142 * delete the pattern from the autopat list, append to
8147 if (*cmd
!= NUL
&& ap
->next
== NULL
)
8156 * Show autocmd's for this autopat, or buflocals <buffer=X>
8158 else if (*cmd
== NUL
)
8159 show_autocmd(ap
, event
);
8162 * Add autocmd to this autopat, if it's the last one.
8164 else if (ap
->next
== NULL
)
8168 prev_ap
= &ap
->next
;
8172 * Add a new command.
8177 * If the pattern we want to add a command to does appear at the
8178 * end of the list (or not is not in the list at all), add the
8179 * pattern at the end of the list.
8183 /* refuse to add buffer-local ap if buffer number is invalid */
8184 if (is_buflocal
&& (buflocal_nr
== 0
8185 || buflist_findnr(buflocal_nr
) == NULL
))
8187 EMSGN(_("E680: <buffer=%d>: invalid buffer number "),
8192 ap
= (AutoPat
*)alloc((unsigned)sizeof(AutoPat
));
8195 ap
->pat
= vim_strnsave(pat
, patlen
);
8196 ap
->patlen
= patlen
;
8197 if (ap
->pat
== NULL
)
8205 ap
->buflocal_nr
= buflocal_nr
;
8206 ap
->reg_prog
= NULL
;
8212 ap
->buflocal_nr
= 0;
8213 reg_pat
= file_pat_to_reg_pat(pat
, endpat
,
8214 &ap
->allow_dirs
, TRUE
);
8215 if (reg_pat
!= NULL
)
8216 ap
->reg_prog
= vim_regcomp(reg_pat
, RE_MAGIC
);
8218 if (reg_pat
== NULL
|| ap
->reg_prog
== NULL
)
8228 if (group
== AUGROUP_ALL
)
8229 ap
->group
= current_augroup
;
8235 * Add the autocmd at the end of the AutoCmd list.
8237 prev_ac
= &(ap
->cmds
);
8238 while ((ac
= *prev_ac
) != NULL
)
8239 prev_ac
= &ac
->next
;
8240 ac
= (AutoCmd
*)alloc((unsigned)sizeof(AutoCmd
));
8243 ac
->cmd
= vim_strsave(cmd
);
8245 ac
->scriptID
= current_SID
;
8247 if (ac
->cmd
== NULL
)
8254 ac
->nested
= nested
;
8258 au_cleanup(); /* may really delete removed patterns/commands now */
8263 * Implementation of ":doautocmd [group] event [fname]".
8264 * Return OK for success, FAIL for failure;
8267 do_doautocmd(arg
, do_msg
)
8269 int do_msg
; /* give message for no matching autocmds? */
8272 int nothing_done
= TRUE
;
8276 * Check for a legal group name. If not, use AUGROUP_ALL.
8278 group
= au_get_grouparg(&arg
);
8279 if (arg
== NULL
) /* out of memory */
8284 EMSG(_("E217: Can't execute autocommands for ALL events"));
8289 * Scan over the events.
8290 * If we find an illegal name, return here, don't do anything.
8292 fname
= find_end_event(arg
, group
!= AUGROUP_ALL
);
8296 fname
= skipwhite(fname
);
8299 * Loop over the events.
8301 while (*arg
&& !vim_iswhite(*arg
))
8302 if (apply_autocmds_group(event_name2nr(arg
, &arg
),
8303 fname
, NULL
, TRUE
, group
, curbuf
, NULL
))
8304 nothing_done
= FALSE
;
8306 if (nothing_done
&& do_msg
)
8307 MSG(_("No matching autocommands"));
8310 return aborting() ? FAIL
: OK
;
8317 * ":doautoall": execute autocommands for each loaded buffer.
8328 * This is a bit tricky: For some commands curwin->w_buffer needs to be
8329 * equal to curbuf, but for some buffers there may not be a window.
8330 * So we change the buffer for the current window for a moment. This
8331 * gives problems when the autocommands make changes to the list of
8332 * buffers or windows...
8334 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8336 if (buf
->b_ml
.ml_mfp
!= NULL
)
8338 /* find a window for this buffer and save some values */
8339 aucmd_prepbuf(&aco
, buf
);
8341 /* execute the autocommands for this buffer */
8342 retval
= do_doautocmd(eap
->arg
, FALSE
);
8344 /* Execute the modeline settings, but don't set window-local
8345 * options if we are using the current window for another buffer. */
8346 do_modelines(aco
.save_curwin
== NULL
? OPT_NOWIN
: 0);
8348 /* restore the current window */
8349 aucmd_restbuf(&aco
);
8351 /* stop if there is some error or buffer was deleted */
8352 if (retval
== FAIL
|| !buf_valid(buf
))
8357 check_cursor(); /* just in case lines got deleted */
8361 * Prepare for executing autocommands for (hidden) buffer "buf".
8362 * Search a window for the current buffer. Save the cursor position and
8364 * Set "curbuf" and "curwin" to match "buf".
8365 * When FEAT_AUTOCMD is not defined another version is used, see below.
8368 aucmd_prepbuf(aco
, buf
)
8369 aco_save_T
*aco
; /* structure to save values in */
8370 buf_T
*buf
; /* new curbuf */
8374 aco
->new_curbuf
= buf
;
8376 /* Find a window that is for the new buffer */
8377 if (buf
== curbuf
) /* be quick when buf is curbuf */
8381 for (win
= firstwin
; win
!= NULL
; win
= win
->w_next
)
8382 if (win
->w_buffer
== buf
)
8389 * Prefer to use an existing window for the buffer, it has the least side
8390 * effects (esp. if "buf" is curbuf).
8391 * Otherwise, use curwin for "buf". It might make some items in the
8392 * window invalid. At least save the cursor and topline.
8396 /* there is a window for "buf", make it the curwin */
8397 aco
->save_curwin
= curwin
;
8399 aco
->save_buf
= win
->w_buffer
;
8400 aco
->new_curwin
= win
;
8404 /* there is no window for "buf", use curwin */
8405 aco
->save_curwin
= NULL
;
8406 aco
->save_buf
= curbuf
;
8407 --curbuf
->b_nwindows
;
8408 curwin
->w_buffer
= buf
;
8411 /* save cursor and topline, set them to safe values */
8412 aco
->save_cursor
= curwin
->w_cursor
;
8413 curwin
->w_cursor
.lnum
= 1;
8414 curwin
->w_cursor
.col
= 0;
8415 aco
->save_topline
= curwin
->w_topline
;
8416 curwin
->w_topline
= 1;
8418 aco
->save_topfill
= curwin
->w_topfill
;
8419 curwin
->w_topfill
= 0;
8427 * Cleanup after executing autocommands for a (hidden) buffer.
8428 * Restore the window as it was (if possible).
8429 * When FEAT_AUTOCMD is not defined another version is used, see below.
8433 aco_save_T
*aco
; /* structure holding saved values */
8435 if (aco
->save_curwin
!= NULL
)
8437 /* restore curwin */
8439 if (win_valid(aco
->save_curwin
))
8442 /* restore the buffer which was previously edited by curwin, if
8443 * it's still the same window and it's valid */
8444 if (curwin
== aco
->new_curwin
8445 && buf_valid(aco
->save_buf
)
8446 && aco
->save_buf
->b_ml
.ml_mfp
!= NULL
)
8448 --curbuf
->b_nwindows
;
8449 curbuf
= aco
->save_buf
;
8450 curwin
->w_buffer
= curbuf
;
8451 ++curbuf
->b_nwindows
;
8454 curwin
= aco
->save_curwin
;
8455 curbuf
= curwin
->w_buffer
;
8460 /* restore buffer for curwin if it still exists and is loaded */
8461 if (buf_valid(aco
->save_buf
) && aco
->save_buf
->b_ml
.ml_mfp
!= NULL
)
8463 --curbuf
->b_nwindows
;
8464 curbuf
= aco
->save_buf
;
8465 curwin
->w_buffer
= curbuf
;
8466 ++curbuf
->b_nwindows
;
8467 curwin
->w_cursor
= aco
->save_cursor
;
8469 /* check topline < line_count, in case lines got deleted */
8470 if (aco
->save_topline
<= curbuf
->b_ml
.ml_line_count
)
8472 curwin
->w_topline
= aco
->save_topline
;
8474 curwin
->w_topfill
= aco
->save_topfill
;
8479 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
8481 curwin
->w_topfill
= 0;
8488 static int autocmd_nested
= FALSE
;
8491 * Execute autocommands for "event" and file name "fname".
8492 * Return TRUE if some commands were executed.
8495 apply_autocmds(event
, fname
, fname_io
, force
, buf
)
8497 char_u
*fname
; /* NULL or empty means use actual file name */
8498 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8499 int force
; /* when TRUE, ignore autocmd_busy */
8500 buf_T
*buf
; /* buffer for <abuf> */
8502 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8503 AUGROUP_ALL
, buf
, NULL
);
8507 * Like apply_autocmds(), but with extra "eap" argument. This takes care of
8508 * setting v:filearg.
8511 apply_autocmds_exarg(event
, fname
, fname_io
, force
, buf
, eap
)
8519 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8520 AUGROUP_ALL
, buf
, eap
);
8524 * Like apply_autocmds(), but handles the caller's retval. If the script
8525 * processing is being aborted or if retval is FAIL when inside a try
8526 * conditional, no autocommands are executed. If otherwise the autocommands
8527 * cause the script to be aborted, retval is set to FAIL.
8530 apply_autocmds_retval(event
, fname
, fname_io
, force
, buf
, retval
)
8532 char_u
*fname
; /* NULL or empty means use actual file name */
8533 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8534 int force
; /* when TRUE, ignore autocmd_busy */
8535 buf_T
*buf
; /* buffer for <abuf> */
8536 int *retval
; /* pointer to caller's retval */
8541 if (should_abort(*retval
))
8545 did_cmd
= apply_autocmds_group(event
, fname
, fname_io
, force
,
8546 AUGROUP_ALL
, buf
, NULL
);
8557 * Return TRUE when there is a CursorHold autocommand defined.
8562 return (first_autopat
[(int)(get_real_state() == NORMAL_BUSY
8563 ? EVENT_CURSORHOLD
: EVENT_CURSORHOLDI
)] != NULL
);
8567 * Return TRUE if the CursorHold event can be triggered.
8570 trigger_cursorhold()
8574 if (!did_cursorhold
&& has_cursorhold() && !Recording
8575 #ifdef FEAT_INS_EXPAND
8576 && !ins_compl_active()
8580 state
= get_real_state();
8581 if (state
== NORMAL_BUSY
|| (state
& INSERT
) != 0)
8588 * Return TRUE when there is a CursorMoved autocommand defined.
8593 return (first_autopat
[(int)EVENT_CURSORMOVED
] != NULL
);
8597 * Return TRUE when there is a CursorMovedI autocommand defined.
8602 return (first_autopat
[(int)EVENT_CURSORMOVEDI
] != NULL
);
8606 apply_autocmds_group(event
, fname
, fname_io
, force
, group
, buf
, eap
)
8608 char_u
*fname
; /* NULL or empty means use actual file name */
8609 char_u
*fname_io
; /* fname to use for <afile> on cmdline, NULL means
8611 int force
; /* when TRUE, ignore autocmd_busy */
8612 int group
; /* group ID, or AUGROUP_ALL */
8613 buf_T
*buf
; /* buffer for <abuf> */
8614 exarg_T
*eap
; /* command arguments */
8616 char_u
*sfname
= NULL
; /* short file name */
8621 char_u
*save_sourcing_name
;
8622 linenr_T save_sourcing_lnum
;
8623 char_u
*save_autocmd_fname
;
8624 int save_autocmd_fname_full
;
8625 int save_autocmd_bufnr
;
8626 char_u
*save_autocmd_match
;
8627 int save_autocmd_busy
;
8628 int save_autocmd_nested
;
8629 static int nesting
= 0;
8633 scid_T save_current_SID
;
8634 void *save_funccalp
;
8635 char_u
*save_cmdarg
;
8638 static int filechangeshell_busy
= FALSE
;
8640 proftime_T wait_time
;
8644 * Quickly return if there are no autocommands for this event or
8645 * autocommands are blocked.
8647 if (first_autopat
[(int)event
] == NULL
|| autocmd_blocked
> 0)
8651 * When autocommands are busy, new autocommands are only executed when
8652 * explicitly enabled with the "nested" flag.
8654 if (autocmd_busy
&& !(force
|| autocmd_nested
))
8659 * Quickly return when immediately aborting on error, or when an interrupt
8660 * occurred or an exception was thrown but not caught.
8667 * FileChangedShell never nests, because it can create an endless loop.
8669 if (filechangeshell_busy
&& (event
== EVENT_FILECHANGEDSHELL
8670 || event
== EVENT_FILECHANGEDSHELLPOST
))
8674 * Ignore events in 'eventignore'.
8676 if (event_ignored(event
))
8680 * Allow nesting of autocommands, but restrict the depth, because it's
8681 * possible to create an endless loop.
8685 EMSG(_("E218: autocommand nesting too deep"));
8690 * Check if these autocommands are disabled. Used when doing ":all" or
8693 if ( (autocmd_no_enter
8694 && (event
== EVENT_WINENTER
|| event
== EVENT_BUFENTER
))
8695 || (autocmd_no_leave
8696 && (event
== EVENT_WINLEAVE
|| event
== EVENT_BUFLEAVE
)))
8700 * Save the autocmd_* variables and info about the current buffer.
8702 save_autocmd_fname
= autocmd_fname
;
8703 save_autocmd_fname_full
= autocmd_fname_full
;
8704 save_autocmd_bufnr
= autocmd_bufnr
;
8705 save_autocmd_match
= autocmd_match
;
8706 save_autocmd_busy
= autocmd_busy
;
8707 save_autocmd_nested
= autocmd_nested
;
8708 save_changed
= curbuf
->b_changed
;
8709 old_curbuf
= curbuf
;
8712 * Set the file name to be used for <afile>.
8713 * Make a copy to avoid that changing a buffer name or directory makes it
8716 if (fname_io
== NULL
)
8718 if (fname
!= NULL
&& *fname
!= NUL
)
8719 autocmd_fname
= fname
;
8720 else if (buf
!= NULL
)
8721 autocmd_fname
= buf
->b_ffname
;
8723 autocmd_fname
= NULL
;
8726 autocmd_fname
= fname_io
;
8727 if (autocmd_fname
!= NULL
)
8728 autocmd_fname
= vim_strsave(autocmd_fname
);
8729 autocmd_fname_full
= FALSE
; /* call FullName_save() later */
8732 * Set the buffer number to be used for <abuf>.
8737 autocmd_bufnr
= buf
->b_fnum
;
8740 * When the file name is NULL or empty, use the file name of buffer "buf".
8741 * Always use the full path of the file name to match with, in case
8742 * "allow_dirs" is set.
8744 if (fname
== NULL
|| *fname
== NUL
)
8751 if (event
== EVENT_SYNTAX
)
8752 fname
= buf
->b_p_syn
;
8755 if (event
== EVENT_FILETYPE
)
8756 fname
= buf
->b_p_ft
;
8759 if (buf
->b_sfname
!= NULL
)
8760 sfname
= vim_strsave(buf
->b_sfname
);
8761 fname
= buf
->b_ffname
;
8765 fname
= (char_u
*)"";
8766 fname
= vim_strsave(fname
); /* make a copy, so we can change it */
8770 sfname
= vim_strsave(fname
);
8771 /* Don't try expanding FileType, Syntax, WindowID or QuickFixCmd* */
8772 if (event
== EVENT_FILETYPE
8773 || event
== EVENT_SYNTAX
8774 || event
== EVENT_REMOTEREPLY
8775 || event
== EVENT_SPELLFILEMISSING
8776 || event
== EVENT_QUICKFIXCMDPRE
8777 || event
== EVENT_QUICKFIXCMDPOST
)
8778 fname
= vim_strsave(fname
);
8780 fname
= FullName_save(fname
, FALSE
);
8782 if (fname
== NULL
) /* out of memory */
8789 #ifdef BACKSLASH_IN_FILENAME
8791 * Replace all backslashes with forward slashes. This makes the
8792 * autocommand patterns portable between Unix and MS-DOS.
8795 forward_slash(sfname
);
8796 forward_slash(fname
);
8800 /* remove version for correct match */
8802 vms_remove_version(sfname
);
8803 vms_remove_version(fname
);
8807 * Set the name to be used for <amatch>.
8809 autocmd_match
= fname
;
8812 /* Don't redraw while doing auto commands. */
8813 ++RedrawingDisabled
;
8814 save_sourcing_name
= sourcing_name
;
8815 sourcing_name
= NULL
; /* don't free this one */
8816 save_sourcing_lnum
= sourcing_lnum
;
8817 sourcing_lnum
= 0; /* no line number here */
8820 save_current_SID
= current_SID
;
8822 # ifdef FEAT_PROFILE
8823 if (do_profiling
== PROF_YES
)
8824 prof_child_enter(&wait_time
); /* doesn't count for the caller itself */
8827 /* Don't use local function variables, if called from a function */
8828 save_funccalp
= save_funccal();
8832 * When starting to execute autocommands, save the search patterns.
8836 save_search_patterns();
8838 did_filetype
= keep_filetype
;
8842 * Note that we are applying autocmds. Some commands need to know.
8844 autocmd_busy
= TRUE
;
8845 filechangeshell_busy
= (event
== EVENT_FILECHANGEDSHELL
);
8846 ++nesting
; /* see matching decrement below */
8848 /* Remember that FileType was triggered. Used for did_filetype(). */
8849 if (event
== EVENT_FILETYPE
)
8850 did_filetype
= TRUE
;
8852 tail
= gettail(fname
);
8854 /* Find first autocommand that matches */
8855 patcmd
.curpat
= first_autopat
[(int)event
];
8856 patcmd
.nextcmd
= NULL
;
8857 patcmd
.group
= group
;
8858 patcmd
.fname
= fname
;
8859 patcmd
.sfname
= sfname
;
8861 patcmd
.event
= event
;
8862 patcmd
.arg_bufnr
= autocmd_bufnr
;
8864 auto_next_pat(&patcmd
, FALSE
);
8866 /* found one, start executing the autocommands */
8867 if (patcmd
.curpat
!= NULL
)
8869 /* add to active_apc_list */
8870 patcmd
.next
= active_apc_list
;
8871 active_apc_list
= &patcmd
;
8874 /* set v:cmdarg (only when there is a matching pattern) */
8875 save_cmdbang
= get_vim_var_nr(VV_CMDBANG
);
8878 save_cmdarg
= set_cmdarg(eap
, NULL
);
8879 set_vim_var_nr(VV_CMDBANG
, (long)eap
->forceit
);
8882 save_cmdarg
= NULL
; /* avoid gcc warning */
8885 /* mark the last pattern, to avoid an endless loop when more patterns
8886 * are added when executing autocommands */
8887 for (ap
= patcmd
.curpat
; ap
->next
!= NULL
; ap
= ap
->next
)
8890 check_lnums(TRUE
); /* make sure cursor and topline are valid */
8891 do_cmdline(NULL
, getnextac
, (void *)&patcmd
,
8892 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
8896 (void)set_cmdarg(NULL
, save_cmdarg
);
8897 set_vim_var_nr(VV_CMDBANG
, save_cmdbang
);
8900 /* delete from active_apc_list */
8901 if (active_apc_list
== &patcmd
) /* just in case */
8902 active_apc_list
= patcmd
.next
;
8905 --RedrawingDisabled
;
8906 autocmd_busy
= save_autocmd_busy
;
8907 filechangeshell_busy
= FALSE
;
8908 autocmd_nested
= save_autocmd_nested
;
8909 vim_free(sourcing_name
);
8910 sourcing_name
= save_sourcing_name
;
8911 sourcing_lnum
= save_sourcing_lnum
;
8912 vim_free(autocmd_fname
);
8913 autocmd_fname
= save_autocmd_fname
;
8914 autocmd_fname_full
= save_autocmd_fname_full
;
8915 autocmd_bufnr
= save_autocmd_bufnr
;
8916 autocmd_match
= save_autocmd_match
;
8918 current_SID
= save_current_SID
;
8919 restore_funccal(save_funccalp
);
8920 # ifdef FEAT_PROFILE
8921 if (do_profiling
== PROF_YES
)
8922 prof_child_exit(&wait_time
);
8927 --nesting
; /* see matching increment above */
8930 * When stopping to execute autocommands, restore the search patterns and
8935 restore_search_patterns();
8937 did_filetype
= FALSE
;
8941 * Some events don't set or reset the Changed flag.
8942 * Check if still in the same buffer!
8944 if (curbuf
== old_curbuf
8945 && (event
== EVENT_BUFREADPOST
8946 || event
== EVENT_BUFWRITEPOST
8947 || event
== EVENT_FILEAPPENDPOST
8948 || event
== EVENT_VIMLEAVE
8949 || event
== EVENT_VIMLEAVEPRE
))
8952 if (curbuf
->b_changed
!= save_changed
)
8953 need_maketitle
= TRUE
;
8955 curbuf
->b_changed
= save_changed
;
8958 au_cleanup(); /* may really delete removed patterns/commands now */
8961 /* When wiping out a buffer make sure all its buffer-local autocommands
8963 if (event
== EVENT_BUFWIPEOUT
&& buf
!= NULL
)
8964 aubuflocal_remove(buf
);
8970 static char_u
*old_termresponse
= NULL
;
8974 * Block triggering autocommands until unblock_autocmd() is called.
8975 * Can be used recursively, so long as it's symmetric.
8981 /* Remember the value of v:termresponse. */
8982 if (autocmd_blocked
== 0)
8983 old_termresponse
= get_vim_var_str(VV_TERMRESPONSE
);
8994 /* When v:termresponse was set while autocommands were blocked, trigger
8995 * the autocommands now. Esp. useful when executing a shell command
8996 * during startup (vimdiff). */
8997 if (autocmd_blocked
== 0
8998 && get_vim_var_str(VV_TERMRESPONSE
) != old_termresponse
)
8999 apply_autocmds(EVENT_TERMRESPONSE
, NULL
, NULL
, FALSE
, curbuf
);
9004 * Find next autocommand pattern that matches.
9007 auto_next_pat(apc
, stop_at_last
)
9009 int stop_at_last
; /* stop when 'last' flag is set */
9016 vim_free(sourcing_name
);
9017 sourcing_name
= NULL
;
9019 for (ap
= apc
->curpat
; ap
!= NULL
&& !got_int
; ap
= ap
->next
)
9023 /* Only use a pattern when it has not been removed, has commands and
9024 * the group matches. For buffer-local autocommands only check the
9026 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9027 && (apc
->group
== AUGROUP_ALL
|| apc
->group
== ap
->group
))
9029 /* execution-condition */
9030 if (ap
->buflocal_nr
== 0
9031 ? (match_file_pat(NULL
, ap
->reg_prog
, apc
->fname
,
9032 apc
->sfname
, apc
->tail
, ap
->allow_dirs
))
9033 : ap
->buflocal_nr
== apc
->arg_bufnr
)
9035 name
= event_nr2name(apc
->event
);
9036 s
= _("%s Auto commands for \"%s\"");
9037 sourcing_name
= alloc((unsigned)(STRLEN(s
)
9038 + STRLEN(name
) + ap
->patlen
+ 1));
9039 if (sourcing_name
!= NULL
)
9041 sprintf((char *)sourcing_name
, s
,
9042 (char *)name
, (char *)ap
->pat
);
9046 smsg((char_u
*)_("Executing %s"), sourcing_name
);
9052 apc
->nextcmd
= ap
->cmds
;
9053 /* mark last command */
9054 for (cp
= ap
->cmds
; cp
->next
!= NULL
; cp
= cp
->next
)
9059 if (apc
->curpat
!= NULL
) /* found a match */
9062 if (stop_at_last
&& ap
->last
)
9068 * Get next autocommand command.
9069 * Called by do_cmdline() to get the next line for ":if".
9070 * Returns allocated string, or NULL for end of autocommands.
9074 getnextac(c
, cookie
, indent
)
9075 int c
; /* not used */
9077 int indent
; /* not used */
9079 AutoPatCmd
*acp
= (AutoPatCmd
*)cookie
;
9083 /* Can be called again after returning the last line. */
9084 if (acp
->curpat
== NULL
)
9087 /* repeat until we find an autocommand to execute */
9090 /* skip removed commands */
9091 while (acp
->nextcmd
!= NULL
&& acp
->nextcmd
->cmd
== NULL
)
9092 if (acp
->nextcmd
->last
)
9093 acp
->nextcmd
= NULL
;
9095 acp
->nextcmd
= acp
->nextcmd
->next
;
9097 if (acp
->nextcmd
!= NULL
)
9100 /* at end of commands, find next pattern that matches */
9101 if (acp
->curpat
->last
)
9104 acp
->curpat
= acp
->curpat
->next
;
9105 if (acp
->curpat
!= NULL
)
9106 auto_next_pat(acp
, TRUE
);
9107 if (acp
->curpat
== NULL
)
9115 verbose_enter_scroll();
9116 smsg((char_u
*)_("autocommand %s"), ac
->cmd
);
9117 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
9118 verbose_leave_scroll();
9120 retval
= vim_strsave(ac
->cmd
);
9121 autocmd_nested
= ac
->nested
;
9123 current_SID
= ac
->scriptID
;
9126 acp
->nextcmd
= NULL
;
9128 acp
->nextcmd
= ac
->next
;
9133 * Return TRUE if there is a matching autocommand for "fname".
9134 * To account for buffer-local autocommands, function needs to know
9135 * in which buffer the file will be opened.
9138 has_autocmd(event
, sfname
, buf
)
9145 char_u
*tail
= gettail(sfname
);
9148 fname
= FullName_save(sfname
, FALSE
);
9152 #ifdef BACKSLASH_IN_FILENAME
9154 * Replace all backslashes with forward slashes. This makes the
9155 * autocommand patterns portable between Unix and MS-DOS.
9157 sfname
= vim_strsave(sfname
);
9159 forward_slash(sfname
);
9160 forward_slash(fname
);
9163 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
9164 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9165 && (ap
->buflocal_nr
== 0
9166 ? match_file_pat(NULL
, ap
->reg_prog
,
9167 fname
, sfname
, tail
, ap
->allow_dirs
)
9168 : buf
!= NULL
&& ap
->buflocal_nr
== buf
->b_fnum
9176 #ifdef BACKSLASH_IN_FILENAME
9183 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
9185 * Function given to ExpandGeneric() to obtain the list of autocommand group
9190 get_augroup_name(xp
, idx
)
9194 if (idx
== augroups
.ga_len
) /* add "END" add the end */
9195 return (char_u
*)"END";
9196 if (idx
>= augroups
.ga_len
) /* end of list */
9198 if (AUGROUP_NAME(idx
) == NULL
) /* skip deleted entries */
9199 return (char_u
*)"";
9200 return AUGROUP_NAME(idx
); /* return a name */
9203 static int include_groups
= FALSE
;
9206 set_context_in_autocmd(xp
, arg
, doautocmd
)
9209 int doautocmd
; /* TRUE for :doauto*, FALSE for :autocmd */
9214 /* check for a group name, skip it if present */
9215 include_groups
= FALSE
;
9217 group
= au_get_grouparg(&arg
);
9218 if (group
== AUGROUP_ERROR
)
9220 /* If there only is a group name that's what we expand. */
9221 if (*arg
== NUL
&& group
!= AUGROUP_ALL
&& !vim_iswhite(arg
[-1]))
9224 group
= AUGROUP_ALL
;
9227 /* skip over event name */
9228 for (p
= arg
; *p
!= NUL
&& !vim_iswhite(*p
); ++p
)
9233 if (group
== AUGROUP_ALL
)
9234 include_groups
= TRUE
;
9235 xp
->xp_context
= EXPAND_EVENTS
; /* expand event name */
9236 xp
->xp_pattern
= arg
;
9240 /* skip over pattern */
9242 while (*arg
&& (!vim_iswhite(*arg
) || arg
[-1] == '\\'))
9245 return arg
; /* expand (next) command */
9248 xp
->xp_context
= EXPAND_FILES
; /* expand file names */
9250 xp
->xp_context
= EXPAND_NOTHING
; /* pattern is not expanded */
9255 * Function given to ExpandGeneric() to obtain the list of event names.
9259 get_event_name(xp
, idx
)
9263 if (idx
< augroups
.ga_len
) /* First list group names, if wanted */
9265 if (!include_groups
|| AUGROUP_NAME(idx
) == NULL
)
9266 return (char_u
*)""; /* skip deleted entries */
9267 return AUGROUP_NAME(idx
); /* return a name */
9269 return (char_u
*)event_names
[idx
- augroups
.ga_len
].name
;
9272 #endif /* FEAT_CMDL_COMPL */
9275 * Return TRUE if autocmd is supported.
9278 autocmd_supported(name
)
9283 return (event_name2nr(name
, &p
) != NUM_EVENTS
);
9287 * Return TRUE if an autocommand is defined for a group, event and
9288 * pattern: The group can be omitted to accept any group. "event" and "pattern"
9289 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept
9290 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted.
9292 * exists("#Group") or
9293 * exists("#Group#Event") or
9294 * exists("#Group#Event#pat") or
9295 * exists("#Event") or
9296 * exists("#Event#pat")
9303 char_u
*pattern
= NULL
;
9308 buf_T
*buflocal_buf
= NULL
;
9312 /* Make a copy so that we can change the '#' chars to a NUL. */
9313 arg_save
= vim_strsave(arg
);
9314 if (arg_save
== NULL
)
9316 p
= vim_strchr(arg_save
, '#');
9320 /* First, look for an autocmd group name */
9321 group
= au_find_group(arg_save
);
9322 if (group
== AUGROUP_ERROR
)
9324 /* Didn't match a group name, assume the first argument is an event. */
9325 group
= AUGROUP_ALL
;
9326 event_name
= arg_save
;
9332 /* "Group": group name is present and it's recognized */
9337 /* Must be "Group#Event" or "Group#Event#pat". */
9339 p
= vim_strchr(event_name
, '#');
9341 *p
++ = NUL
; /* "Group#Event#pat" */
9344 pattern
= p
; /* "pattern" is NULL when there is no pattern */
9346 /* find the index (enum) for the event name */
9347 event
= event_name2nr(event_name
, &p
);
9349 /* return FALSE if the event name is not recognized */
9350 if (event
== NUM_EVENTS
)
9353 /* Find the first autocommand for this event.
9354 * If there isn't any, return FALSE;
9355 * If there is one and no pattern given, return TRUE; */
9356 ap
= first_autopat
[(int)event
];
9359 if (pattern
== NULL
)
9365 /* if pattern is "<buffer>", special handling is needed which uses curbuf */
9366 /* for pattern "<buffer=N>, fnamecmp() will work fine */
9367 if (STRICMP(pattern
, "<buffer>") == 0)
9368 buflocal_buf
= curbuf
;
9370 /* Check if there is an autocommand with the given pattern. */
9371 for ( ; ap
!= NULL
; ap
= ap
->next
)
9372 /* only use a pattern when it has not been removed and has commands. */
9373 /* For buffer-local autocommands, fnamecmp() works fine. */
9374 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9375 && (group
== AUGROUP_ALL
|| ap
->group
== group
)
9376 && (buflocal_buf
== NULL
9377 ? fnamecmp(ap
->pat
, pattern
) == 0
9378 : ap
->buflocal_nr
== buflocal_buf
->b_fnum
))
9389 #else /* FEAT_AUTOCMD */
9392 * Prepare for executing commands for (hidden) buffer "buf".
9393 * This is the non-autocommand version, it simply saves "curbuf" and sets
9394 * "curbuf" and "curwin" to match "buf".
9397 aucmd_prepbuf(aco
, buf
)
9398 aco_save_T
*aco
; /* structure to save values in */
9399 buf_T
*buf
; /* new curbuf */
9401 aco
->save_buf
= curbuf
;
9403 curwin
->w_buffer
= buf
;
9407 * Restore after executing commands for a (hidden) buffer.
9408 * This is the non-autocommand version.
9412 aco_save_T
*aco
; /* structure holding saved values */
9414 curbuf
= aco
->save_buf
;
9415 curwin
->w_buffer
= curbuf
;
9418 #endif /* FEAT_AUTOCMD */
9421 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO)
9423 * Try matching a filename with a "pattern" ("prog" is NULL), or use the
9424 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling
9425 * vim_regcomp() often.
9426 * Used for autocommands and 'wildignore'.
9427 * Returns TRUE if there is a match, FALSE otherwise.
9430 match_file_pat(pattern
, prog
, fname
, sfname
, tail
, allow_dirs
)
9431 char_u
*pattern
; /* pattern to match with */
9432 regprog_T
*prog
; /* pre-compiled regprog or NULL */
9433 char_u
*fname
; /* full path of file name */
9434 char_u
*sfname
; /* short file name or NULL */
9435 char_u
*tail
; /* tail of path */
9436 int allow_dirs
; /* allow matching with dir */
9438 regmatch_T regmatch
;
9440 #ifdef FEAT_OSFILETYPE
9441 int no_pattern
= FALSE
; /* TRUE if check is filetype only */
9447 #ifdef CASE_INSENSITIVE_FILENAME
9448 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
9450 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
9452 #ifdef FEAT_OSFILETYPE
9453 if (*pattern
== '<')
9455 /* There is a filetype condition specified with this pattern.
9456 * Check the filetype matches first. If not, don't bother with the
9457 * pattern (set regprog to NULL).
9458 * Always use magic for the regexp.
9461 for (type_start
= pattern
+ 1; (c
= *pattern
); pattern
++)
9463 if ((c
== ';' || c
== '>') && match
== FALSE
)
9465 *pattern
= NUL
; /* Terminate the string */
9466 match
= mch_check_filetype(fname
, type_start
);
9467 *pattern
= c
; /* Restore the terminator */
9468 type_start
= pattern
+ 1;
9474 /* (c should never be NUL, but check anyway) */
9475 if (match
== FALSE
|| c
== NUL
)
9476 regmatch
.regprog
= NULL
; /* Doesn't match - don't check pat. */
9477 else if (*pattern
== NUL
)
9479 regmatch
.regprog
= NULL
; /* Vim will try to free regprog later */
9480 no_pattern
= TRUE
; /* Always matches - don't check pat. */
9483 regmatch
.regprog
= vim_regcomp(pattern
+ 1, RE_MAGIC
);
9489 regmatch
.regprog
= prog
;
9491 regmatch
.regprog
= vim_regcomp(pattern
, RE_MAGIC
);
9495 * Try for a match with the pattern with:
9496 * 1. the full file name, when the pattern has a '/'.
9497 * 2. the short file name, when the pattern has a '/'.
9498 * 3. the tail of the file name, when the pattern has no '/'.
9501 #ifdef FEAT_OSFILETYPE
9502 /* If the check is for a filetype only and we don't care
9503 * about the path then skip all the regexp stuff.
9507 (regmatch
.regprog
!= NULL
9509 && (vim_regexec(®match
, fname
, (colnr_T
)0)
9511 && vim_regexec(®match
, sfname
, (colnr_T
)0))))
9512 || (!allow_dirs
&& vim_regexec(®match
, tail
, (colnr_T
)0)))))
9516 vim_free(regmatch
.regprog
);
9521 #if defined(FEAT_WILDIGN) || defined(PROTO)
9523 * Return TRUE if a file matches with a pattern in "list".
9524 * "list" is a comma-separated list of patterns, like 'wildignore'.
9525 * "sfname" is the short file name or NULL, "ffname" the long file name.
9528 match_file_list(list
, sfname
, ffname
)
9540 tail
= gettail(sfname
);
9542 /* try all patterns in 'wildignore' */
9546 copy_option_part(&p
, buf
, 100, ",");
9547 regpat
= file_pat_to_reg_pat(buf
, NULL
, &allow_dirs
, FALSE
);
9550 match
= match_file_pat(regpat
, NULL
, ffname
, sfname
,
9551 tail
, (int)allow_dirs
);
9561 * Convert the given pattern "pat" which has shell style wildcards in it, into
9562 * a regular expression, and return the result in allocated memory. If there
9563 * is a directory path separator to be matched, then TRUE is put in
9564 * allow_dirs, otherwise FALSE is put there -- webb.
9565 * Handle backslashes before special characters, like "\*" and "\ ".
9567 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg:
9568 * '<html>myfile' becomes '<html>^myfile$' -- leonard.
9570 * Returns NULL when out of memory.
9574 file_pat_to_reg_pat(pat
, pat_end
, allow_dirs
, no_bslash
)
9576 char_u
*pat_end
; /* first char after pattern or NULL */
9577 char *allow_dirs
; /* Result passed back out in here */
9578 int no_bslash
; /* Don't use a backward slash as pathsep */
9586 int add_dollar
= TRUE
;
9587 #ifdef FEAT_OSFILETYPE
9588 int check_length
= 0;
9591 if (allow_dirs
!= NULL
)
9592 *allow_dirs
= FALSE
;
9593 if (pat_end
== NULL
)
9594 pat_end
= pat
+ STRLEN(pat
);
9596 #ifdef FEAT_OSFILETYPE
9597 /* Find out how much of the string is the filetype check */
9600 /* Count chars until the next '>' */
9601 for (p
= pat
+ 1; p
< pat_end
&& *p
!= '>'; p
++)
9605 /* Pattern is of the form <.*>.* */
9606 check_length
= p
- pat
+ 1;
9607 if (p
+ 1 >= pat_end
)
9609 /* The 'pattern' is a filetype check ONLY */
9610 reg_pat
= (char_u
*)alloc(check_length
+ 1);
9611 if (reg_pat
!= NULL
)
9613 mch_memmove(reg_pat
, pat
, (size_t)check_length
);
9614 reg_pat
[check_length
] = NUL
;
9619 /* else: there was no closing '>' - assume it was a normal pattern */
9622 pat
+= check_length
;
9623 size
= 2 + check_length
;
9625 size
= 2; /* '^' at start, '$' at end */
9628 for (p
= pat
; p
< pat_end
; p
++)
9638 size
+= 2; /* extra backslash */
9640 #ifdef BACKSLASH_IN_FILENAME
9643 size
+= 4; /* could become "[\/]" */
9649 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9658 reg_pat
= alloc(size
+ 1);
9659 if (reg_pat
== NULL
)
9662 #ifdef FEAT_OSFILETYPE
9663 /* Copy the type check in to the start. */
9665 mch_memmove(reg_pat
, pat
- check_length
, (size_t)check_length
);
9672 while (pat
[0] == '*' && pat
< pat_end
- 1)
9679 while (endp
- pat
> 0 && *endp
== '*')
9683 for (p
= pat
; *p
&& nested
>= 0 && p
<= endp
; p
++)
9690 while (p
[1] == '*') /* "**" matches like "*" */
9695 if (allow_dirs
!= NULL
)
9700 reg_pat
[i
++] = '\\';
9712 #ifdef BACKSLASH_IN_FILENAME
9716 * "\x" to "\\x" e.g., "dir\file"
9717 * "\*" to "\\.*" e.g., "dir\*.c"
9718 * "\?" to "\\." e.g., "dir\??.c"
9719 * "\+" to "\+" e.g., "fileX\+.c"
9721 if ((vim_isfilec(p
[1]) || p
[1] == '*' || p
[1] == '?')
9725 reg_pat
[i
++] = '\\';
9728 if (allow_dirs
!= NULL
)
9735 #ifdef BACKSLASH_IN_FILENAME
9745 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
)
9746 #ifdef BACKSLASH_IN_FILENAME
9747 && (!no_bslash
|| *p
!= '\\')
9751 reg_pat
[i
++] = '\\';
9755 #ifdef BACKSLASH_IN_FILENAME
9758 reg_pat
[i
++] = '\\';
9761 if (allow_dirs
!= NULL
)
9766 reg_pat
[i
++] = '\\';
9771 reg_pat
[i
++] = '\\';
9778 reg_pat
[i
++] = '\\';
9786 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9787 reg_pat
[i
++] = *p
++;
9790 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
))
9802 EMSG(_("E219: Missing {."));
9804 EMSG(_("E220: Missing }."));