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 */
24 #if defined(__TANDEM) || defined(__MINT__)
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 /* erroneous 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 */
124 linenr_T bw_conv_error_lnum
; /* first line with error or zero */
125 linenr_T bw_start_lnum
; /* line number at start of buffer */
127 iconv_t bw_iconv_fd
; /* descriptor for iconv() or -1 */
132 static int buf_write_bytes
__ARGS((struct bw_info
*ip
));
135 static linenr_T readfile_linenr
__ARGS((linenr_T linecnt
, char_u
*p
, char_u
*endp
));
136 static int ucs2bytes
__ARGS((unsigned c
, char_u
**pp
, int flags
));
137 static int need_conversion
__ARGS((char_u
*fenc
));
138 static int get_fio_flags
__ARGS((char_u
*ptr
));
139 static char_u
*check_for_bom
__ARGS((char_u
*p
, long size
, int *lenp
, int flags
));
140 static int make_bom
__ARGS((char_u
*buf
, char_u
*name
));
142 static int get_win_fio_flags
__ARGS((char_u
*ptr
));
145 static int get_mac_fio_flags
__ARGS((char_u
*ptr
));
148 static int move_lines
__ARGS((buf_T
*frombuf
, buf_T
*tobuf
));
150 static void vim_settempdir
__ARGS((char_u
*tempdir
));
153 static char *e_auchangedbuf
= N_("E812: Autocommands changed buffer or buffer name");
157 filemess(buf
, name
, s
, attr
)
167 msg_add_fname(buf
, name
); /* put file name in IObuff with quotes */
168 /* If it's extremely long, truncate it. */
169 if (STRLEN(IObuff
) > IOSIZE
- 80)
170 IObuff
[IOSIZE
- 80] = NUL
;
173 * For the first message may have to start a new line.
174 * For further ones overwrite the previous one, reset msg_scroll before
175 * calling filemess().
177 msg_scroll_save
= msg_scroll
;
178 if (shortmess(SHM_OVERALL
) && !exiting
&& p_verbose
== 0)
180 if (!msg_scroll
) /* wait a bit when overwriting an error msg */
181 check_for_delay(FALSE
);
183 msg_scroll
= msg_scroll_save
;
184 msg_scrolled_ign
= TRUE
;
185 /* may truncate the message to avoid a hit-return prompt */
186 msg_outtrans_attr(msg_may_trunc(FALSE
, IObuff
), attr
);
189 msg_scrolled_ign
= FALSE
;
193 * Read lines from file "fname" into the buffer after line "from".
195 * 1. We allocate blocks with lalloc, as big as possible.
196 * 2. Each block is filled with characters from the file with a single read().
197 * 3. The lines are inserted in the buffer with ml_append().
199 * (caller must check that fname != NULL, unless READ_STDIN is used)
201 * "lines_to_skip" is the number of lines that must be skipped
202 * "lines_to_read" is the number of lines that are appended
203 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM.
206 * READ_NEW starting to edit a new buffer
207 * READ_FILTER reading filter output
208 * READ_STDIN read from stdin instead of a file
209 * READ_BUFFER read from curbuf instead of a file (converting after reading
211 * READ_DUMMY read into a dummy buffer (to check if file contents changed)
213 * return FAIL for failure, OK otherwise
216 readfile(fname
, sfname
, from
, lines_to_skip
, lines_to_read
, eap
, flags
)
220 linenr_T lines_to_skip
;
221 linenr_T lines_to_read
;
222 exarg_T
*eap
; /* can be NULL! */
226 int newfile
= (flags
& READ_NEW
);
228 int filtering
= (flags
& READ_FILTER
);
229 int read_stdin
= (flags
& READ_STDIN
);
230 int read_buffer
= (flags
& READ_BUFFER
);
231 int set_options
= newfile
|| read_buffer
232 || (eap
!= NULL
&& eap
->read_edit
);
233 linenr_T read_buf_lnum
= 1; /* next line to read from curbuf */
234 colnr_T read_buf_col
= 0; /* next char to read from this line */
236 linenr_T lnum
= from
;
237 char_u
*ptr
= NULL
; /* pointer into read buffer */
238 char_u
*buffer
= NULL
; /* read buffer */
239 char_u
*new_buffer
= NULL
; /* init to shut up gcc */
240 char_u
*line_start
= NULL
; /* init to shut up gcc */
241 int wasempty
; /* buffer was empty before reading */
246 int skip_read
= FALSE
;
248 char_u
*cryptkey
= NULL
;
250 int split
= 0; /* number of split lines */
251 #define UNKNOWN 0x0fffffff /* file size is unknown */
253 int error
= FALSE
; /* errors encountered */
254 int ff_error
= EOL_UNKNOWN
; /* file format with errors */
255 long linerest
= 0; /* remaining chars in line */
258 int swap_mode
= -1; /* protection bits for swap file */
262 int fileformat
= 0; /* end-of-line format */
263 int keep_fileformat
= FALSE
;
266 linenr_T skip_count
= 0;
267 linenr_T read_count
= 0;
268 int msg_save
= msg_scroll
;
269 linenr_T read_no_eol_lnum
= 0; /* non-zero lnum when last line of
270 * last read was missing the eol */
271 int try_mac
= (vim_strchr(p_ffs
, 'm') != NULL
);
272 int try_dos
= (vim_strchr(p_ffs
, 'd') != NULL
);
273 int try_unix
= (vim_strchr(p_ffs
, 'x') != NULL
);
274 int file_rewind
= FALSE
;
277 linenr_T conv_error
= 0; /* line nr with conversion error */
278 linenr_T illegal_byte
= 0; /* line nr with illegal byte */
279 int keep_dest_enc
= FALSE
; /* don't retry when char doesn't fit
280 in destination encoding */
281 int bad_char_behavior
= BAD_REPLACE
;
282 /* BAD_KEEP, BAD_DROP or character to
284 char_u
*tmpname
= NULL
; /* name of 'charconvert' output file */
286 char_u
*fenc
; /* fileencoding to use */
287 int fenc_alloced
; /* fenc_next is in allocated memory */
288 char_u
*fenc_next
= NULL
; /* next item in 'fencs' or NULL */
289 int advance_fenc
= FALSE
;
292 iconv_t iconv_fd
= (iconv_t
)-1; /* descriptor for iconv() or -1 */
294 int did_iconv
= FALSE
; /* TRUE when iconv() failed and trying
295 'charconvert' next */
298 int converted
= FALSE
; /* TRUE if conversion done */
299 int notconverted
= FALSE
; /* TRUE if conversion wanted but it
301 char_u conv_rest
[CONV_RESTLEN
];
302 int conv_restlen
= 0; /* nr of bytes in conv_rest[] */
306 /* Remember the initial values of curbuf, curbuf->b_ffname and
307 * curbuf->b_fname to detect whether they are altered as a result of
308 * executing nasty autocommands. Also check if "fname" and "sfname"
309 * point to one of these values. */
310 buf_T
*old_curbuf
= curbuf
;
311 char_u
*old_b_ffname
= curbuf
->b_ffname
;
312 char_u
*old_b_fname
= curbuf
->b_fname
;
313 int using_b_ffname
= (fname
== curbuf
->b_ffname
)
314 || (sfname
== curbuf
->b_ffname
);
315 int using_b_fname
= (fname
== curbuf
->b_fname
)
316 || (sfname
== curbuf
->b_fname
);
318 write_no_eol_lnum
= 0; /* in case it was set by the previous read */
321 * If there is no file name yet, use the one for the read file.
322 * BF_NOTEDITED is set to reflect this.
323 * Don't do this for a read from a filter.
324 * Only do this when 'cpoptions' contains the 'f' flag.
326 if (curbuf
->b_ffname
== NULL
329 && vim_strchr(p_cpo
, CPO_FNAMER
) != NULL
330 && !(flags
& READ_DUMMY
))
332 if (set_rw_fname(fname
, sfname
) == FAIL
)
336 /* After reading a file the cursor line changes but we don't want to
337 * display the line. */
338 ex_no_reprint
= TRUE
;
340 /* don't display the file info for another buffer now */
341 need_fileinfo
= FALSE
;
344 * For Unix: Use the short file name whenever possible.
345 * Avoids problems with networks and when directory names are changed.
346 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
347 * another directory, which we don't detect.
351 #if defined(UNIX) || defined(__EMX__)
357 * The BufReadCmd and FileReadCmd events intercept the reading process by
358 * executing the associated commands instead.
360 if (!filtering
&& !read_stdin
&& !read_buffer
)
364 pos
= curbuf
->b_op_start
;
366 /* Set '[ mark to the line above where the lines go (line 1 if zero). */
367 curbuf
->b_op_start
.lnum
= ((from
== 0) ? 1 : from
);
368 curbuf
->b_op_start
.col
= 0;
372 if (apply_autocmds_exarg(EVENT_BUFREADCMD
, NULL
, sfname
,
375 return aborting() ? FAIL
: OK
;
380 else if (apply_autocmds_exarg(EVENT_FILEREADCMD
, sfname
, sfname
,
383 return aborting() ? FAIL
: OK
;
388 curbuf
->b_op_start
= pos
;
392 if ((shortmess(SHM_OVER
) || curbuf
->b_help
) && p_verbose
== 0)
393 msg_scroll
= FALSE
; /* overwrite previous file message */
395 msg_scroll
= TRUE
; /* don't overwrite previous file message */
398 * If the name ends in a path separator, we can't open it. Check here,
399 * because reading the file may actually work, but then creating the swap
400 * file may destroy it! Reported on MS-DOS and Win 95.
401 * If the name is too long we might crash further on, quit here.
403 if (fname
!= NULL
&& *fname
!= NUL
)
405 p
= fname
+ STRLEN(fname
);
406 if (after_pathsep(fname
, p
) || STRLEN(fname
) >= MAXPATHL
)
408 filemess(curbuf
, fname
, (char_u
*)_("Illegal file name"), 0);
410 msg_scroll
= msg_save
;
417 * On Unix it is possible to read a directory, so we have to
418 * check for it before the mch_open().
420 if (!read_stdin
&& !read_buffer
)
422 perm
= mch_getperm(fname
);
423 if (perm
>= 0 && !S_ISREG(perm
) /* not a regular file ... */
425 && !S_ISFIFO(perm
) /* ... or fifo */
428 && !S_ISSOCK(perm
) /* ... or socket */
430 # ifdef OPEN_CHR_FILES
431 && !(S_ISCHR(perm
) && is_dev_fd_file(fname
))
432 /* ... or a character special file named /dev/fd/<n> */
437 filemess(curbuf
, fname
, (char_u
*)_("is a directory"), 0);
439 filemess(curbuf
, fname
, (char_u
*)_("is not a file"), 0);
441 msg_scroll
= msg_save
;
445 # if defined(MSDOS) || defined(MSWIN) || defined(OS2)
447 * MS-Windows allows opening a device, but we will probably get stuck
450 if (!p_odev
&& mch_nodetype(fname
) == NODE_WRITABLE
)
452 filemess(curbuf
, fname
, (char_u
*)_("is a device (disabled with 'opendevice' option)"), 0);
454 msg_scroll
= msg_save
;
461 /* set default 'fileformat' */
464 if (eap
!= NULL
&& eap
->force_ff
!= 0)
465 set_fileformat(get_fileformat_force(curbuf
, eap
), OPT_LOCAL
);
466 else if (*p_ffs
!= NUL
)
467 set_fileformat(default_fileformat(), OPT_LOCAL
);
470 /* set or reset 'binary' */
471 if (eap
!= NULL
&& eap
->force_bin
!= 0)
473 int oldval
= curbuf
->b_p_bin
;
475 curbuf
->b_p_bin
= (eap
->force_bin
== FORCE_BIN
);
476 set_options_bin(oldval
, curbuf
->b_p_bin
, OPT_LOCAL
);
480 * When opening a new file we take the readonly flag from the file.
481 * Default is r/w, can be set to r/o below.
482 * Don't reset it when in readonly mode
483 * Only set/reset b_p_ro when BF_CHECK_RO is set.
485 check_readonly
= (newfile
&& (curbuf
->b_flags
& BF_CHECK_RO
));
486 if (check_readonly
&& !readonlymode
)
487 curbuf
->b_p_ro
= FALSE
;
489 if (newfile
&& !read_stdin
&& !read_buffer
)
491 /* Remember time of file.
492 * For RISCOS, also remember the filetype.
494 if (mch_stat((char *)fname
, &st
) >= 0)
496 buf_store_time(curbuf
, &st
, fname
);
497 curbuf
->b_mtime_read
= curbuf
->b_mtime
;
499 #if defined(RISCOS) && defined(FEAT_OSFILETYPE)
500 /* Read the filetype into the buffer local filetype option. */
501 mch_read_filetype(fname
);
505 * Use the protection bits of the original file for the swap file.
506 * This makes it possible for others to read the name of the
507 * edited file from the swapfile, but only if they can read the
509 * Remove the "write" and "execute" bits for group and others
510 * (they must not write the swapfile).
511 * Add the "read" and "write" bits for the user, otherwise we may
512 * not be able to write to the file ourselves.
513 * Setting the bits is done below, after creating the swap file.
515 swap_mode
= (st
.st_mode
& 0644) | 0600;
517 #ifdef FEAT_CW_EDITOR
518 /* Get the FSSpec on MacOS
519 * TODO: Update it properly when the buffer name changes
521 (void)GetFSSpecFromPath(curbuf
->b_ffname
, &curbuf
->b_FSSpec
);
524 curbuf
->b_fab_rfm
= st
.st_fab_rfm
;
525 curbuf
->b_fab_rat
= st
.st_fab_rat
;
526 curbuf
->b_fab_mrs
= st
.st_fab_mrs
;
532 curbuf
->b_mtime_read
= 0;
533 curbuf
->b_orig_size
= 0;
534 curbuf
->b_orig_mode
= 0;
537 /* Reset the "new file" flag. It will be set again below when the
538 * file doesn't exist. */
539 curbuf
->b_flags
&= ~(BF_NEW
| BF_NEW_W
);
543 * for UNIX: check readonly with perm and mch_access()
544 * for RISCOS: same as Unix, otherwise file gets re-datestamped!
545 * for MSDOS and Amiga: check readonly by trying to open the file for writing
547 file_readonly
= FALSE
;
550 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
551 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */
552 setmode(0, O_BINARY
);
555 else if (!read_buffer
)
557 #ifdef USE_MCH_ACCESS
562 mch_access((char *)fname
, W_OK
))
563 file_readonly
= TRUE
;
564 fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
568 || (fd
= mch_open((char *)fname
, O_RDWR
| O_EXTRA
, 0)) < 0)
570 file_readonly
= TRUE
;
572 fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
577 if (fd
< 0) /* cannot open at all */
582 msg_scroll
= msg_save
;
585 * On MSDOS and Amiga we can't open a directory, check here.
587 isdir_f
= (mch_isdir(fname
));
588 perm
= mch_getperm(fname
); /* check if the file exists */
591 filemess(curbuf
, sfname
, (char_u
*)_("is a directory"), 0);
592 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
605 * Set the 'new-file' flag, so that when the file has
606 * been created by someone else, a ":w" will complain.
608 curbuf
->b_flags
|= BF_NEW
;
610 /* Create a swap file now, so that other Vims are warned
611 * that we are editing this file. Don't do this for a
612 * "nofile" or "nowrite" buffer type. */
614 if (!bt_dontwrite(curbuf
))
617 check_need_swap(newfile
);
619 /* SwapExists autocommand may mess things up */
620 if (curbuf
!= old_curbuf
622 && (old_b_ffname
!= curbuf
->b_ffname
))
624 && (old_b_fname
!= curbuf
->b_fname
)))
626 EMSG(_(e_auchangedbuf
));
631 if (dir_of_file_exists(fname
))
632 filemess(curbuf
, sfname
, (char_u
*)_("[New File]"), 0);
634 filemess(curbuf
, sfname
,
635 (char_u
*)_("[New DIRECTORY]"), 0);
637 /* Even though this is a new file, it might have been
638 * edited before and deleted. Get the old marks. */
642 if (eap
!= NULL
&& eap
->force_enc
!= 0)
644 /* set forced 'fileencoding' */
645 fenc
= enc_canonize(eap
->cmd
+ eap
->force_enc
);
647 set_string_option_direct((char_u
*)"fenc", -1,
648 fenc
, OPT_FREE
|OPT_LOCAL
, 0);
653 apply_autocmds_exarg(EVENT_BUFNEWFILE
, sfname
, sfname
,
656 /* remember the current fileformat */
657 save_file_ff(curbuf
);
659 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
660 if (aborting()) /* autocmds may abort script processing */
663 return OK
; /* a new file is not an error */
667 filemess(curbuf
, sfname
, (char_u
*)(
669 (errno
== EFBIG
) ? _("[File too big]") :
672 (errno
== EOVERFLOW
) ? _("[File too big]") :
674 _("[Permission Denied]")), 0);
675 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
683 * Only set the 'ro' flag for readonly files the first time they are
684 * loaded. Help files always get readonly mode
686 if ((check_readonly
&& file_readonly
) || curbuf
->b_help
)
687 curbuf
->b_p_ro
= TRUE
;
691 /* Don't change 'eol' if reading from buffer as it will already be
692 * correctly set when reading stdin. */
695 curbuf
->b_p_eol
= TRUE
;
696 curbuf
->b_start_eol
= TRUE
;
699 curbuf
->b_p_bomb
= FALSE
;
700 curbuf
->b_start_bomb
= FALSE
;
704 /* Create a swap file now, so that other Vims are warned that we are
706 * Don't do this for a "nofile" or "nowrite" buffer type. */
708 if (!bt_dontwrite(curbuf
))
711 check_need_swap(newfile
);
713 if (!read_stdin
&& (curbuf
!= old_curbuf
714 || (using_b_ffname
&& (old_b_ffname
!= curbuf
->b_ffname
))
715 || (using_b_fname
&& (old_b_fname
!= curbuf
->b_fname
))))
717 EMSG(_(e_auchangedbuf
));
724 /* Set swap file protection bits after creating it. */
725 if (swap_mode
> 0 && curbuf
->b_ml
.ml_mfp
!= NULL
726 && curbuf
->b_ml
.ml_mfp
->mf_fname
!= NULL
)
727 (void)mch_setperm(curbuf
->b_ml
.ml_mfp
->mf_fname
, (long)swap_mode
);
731 #if defined(HAS_SWAP_EXISTS_ACTION)
732 /* If "Quit" selected at ATTENTION dialog, don't load the file */
733 if (swap_exists_action
== SEA_QUIT
)
735 if (!read_buffer
&& !read_stdin
)
741 ++no_wait_return
; /* don't wait for return yet */
744 * Set '[ mark to the line above where the lines go (line 1 if zero).
746 curbuf
->b_op_start
.lnum
= ((from
== 0) ? 1 : from
);
747 curbuf
->b_op_start
.col
= 0;
753 int n
= msg_scrolled
;
756 * The file must be closed again, the autocommands may want to change
757 * the file before reading it.
760 close(fd
); /* ignore errors */
763 * The output from the autocommands should not overwrite anything and
764 * should not be overwritten: Set msg_scroll, restore its value if no
769 apply_autocmds_exarg(EVENT_FILTERREADPRE
, NULL
, sfname
,
772 apply_autocmds_exarg(EVENT_STDINREADPRE
, NULL
, sfname
,
775 apply_autocmds_exarg(EVENT_BUFREADPRE
, NULL
, sfname
,
778 apply_autocmds_exarg(EVENT_FILEREADPRE
, sfname
, sfname
,
780 if (msg_scrolled
== n
)
784 if (aborting()) /* autocmds may abort script processing */
787 msg_scroll
= msg_save
;
788 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
793 * Don't allow the autocommands to change the current buffer.
794 * Try to re-open the file.
796 * Don't allow the autocommands to change the buffer name either
797 * (cd for example) if it invalidates fname or sfname.
799 if (!read_stdin
&& (curbuf
!= old_curbuf
800 || (using_b_ffname
&& (old_b_ffname
!= curbuf
->b_ffname
))
801 || (using_b_fname
&& (old_b_fname
!= curbuf
->b_fname
))
802 || (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) < 0))
805 msg_scroll
= msg_save
;
807 EMSG(_("E200: *ReadPre autocommands made the file unreadable"));
809 EMSG(_("E201: *ReadPre autocommands must not change current buffer"));
810 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
814 #endif /* FEAT_AUTOCMD */
816 /* Autocommands may add lines to the file, need to check if it is empty */
817 wasempty
= (curbuf
->b_ml
.ml_flags
& ML_EMPTY
);
819 if (!recoverymode
&& !filtering
&& !(flags
& READ_DUMMY
))
822 * Show the user that we are busy reading the input. Sometimes this
823 * may take a while. When reading from stdin another program may
824 * still be running, don't move the cursor to the last line, unless
825 * always using the GUI.
829 #ifndef ALWAYS_USE_GUI
830 mch_msg(_("Vim: Reading from stdin...\n"));
833 /* Also write a message in the GUI window, if there is one. */
834 if (gui
.in_use
&& !gui
.dying
&& !gui
.starting
)
836 p
= (char_u
*)_("Reading from stdin...");
837 gui_write(p
, (int)STRLEN(p
));
841 else if (!read_buffer
)
842 filemess(curbuf
, sfname
, (char_u
*)"", 0);
845 msg_scroll
= FALSE
; /* overwrite the file message */
848 * Set linecnt now, before the "retry" caused by a wrong guess for
849 * fileformat, and after the autocommands, which may change them.
851 linecnt
= curbuf
->b_ml
.ml_line_count
;
854 /* "++bad=" argument. */
855 if (eap
!= NULL
&& eap
->bad_char
!= 0)
857 bad_char_behavior
= eap
->bad_char
;
859 curbuf
->b_bad_char
= eap
->bad_char
;
862 curbuf
->b_bad_char
= 0;
865 * Decide which 'encoding' to use or use first.
867 if (eap
!= NULL
&& eap
->force_enc
!= 0)
869 fenc
= enc_canonize(eap
->cmd
+ eap
->force_enc
);
871 keep_dest_enc
= TRUE
;
873 else if (curbuf
->b_p_bin
)
875 fenc
= (char_u
*)""; /* binary: don't convert */
876 fenc_alloced
= FALSE
;
878 else if (curbuf
->b_help
)
880 char_u firstline
[80];
883 /* Help files are either utf-8 or latin1. Try utf-8 first, if this
884 * fails it must be latin1.
885 * Always do this when 'encoding' is "utf-8". Otherwise only do
886 * this when needed to avoid [converted] remarks all the time.
887 * It is needed when the first line contains non-ASCII characters.
888 * That is only in *.??x files. */
889 fenc
= (char_u
*)"latin1";
891 if (!c
&& !read_stdin
)
893 fc
= fname
[STRLEN(fname
) - 1];
894 if (TOLOWER_ASC(fc
) == 'x')
896 /* Read the first line (and a bit more). Immediately rewind to
897 * the start of the file. If the read() fails "len" is -1. */
898 len
= vim_read(fd
, firstline
, 80);
899 lseek(fd
, (off_t
)0L, SEEK_SET
);
900 for (p
= firstline
; p
< firstline
+ len
; ++p
)
912 fenc
= (char_u
*)"utf-8";
914 /* When the file is utf-8 but a character doesn't fit in
915 * 'encoding' don't retry. In help text editing utf-8 bytes
916 * doesn't make sense. */
918 keep_dest_enc
= TRUE
;
920 fenc_alloced
= FALSE
;
922 else if (*p_fencs
== NUL
)
924 fenc
= curbuf
->b_p_fenc
; /* use format from buffer */
925 fenc_alloced
= FALSE
;
929 fenc_next
= p_fencs
; /* try items in 'fileencodings' */
930 fenc
= next_fenc(&fenc_next
);
936 * Jump back here to retry reading the file in different ways.
938 * - encoding conversion failed: try another one from "fenc_next"
939 * - BOM detected and fenc was set, need to setup conversion
940 * - "fileformat" check failed: try another
942 * Variables set for special retry actions:
943 * "file_rewind" Rewind the file to start reading it again.
944 * "advance_fenc" Advance "fenc" using "fenc_next".
945 * "skip_read" Re-use already read bytes (BOM detected).
946 * "did_iconv" iconv() conversion failed, try 'charconvert'.
947 * "keep_fileformat" Don't reset "fileformat".
949 * Other status indicators:
950 * "tmpname" When != NULL did conversion with 'charconvert'.
951 * Output file has to be deleted afterwards.
952 * "iconv_fd" When != -1 did conversion with iconv().
963 else if (read_stdin
|| lseek(fd
, (off_t
)0L, SEEK_SET
) != 0)
965 /* Can't rewind the file, give up. */
969 /* Delete the previously read lines. */
971 ml_delete(lnum
--, FALSE
);
976 curbuf
->b_p_bomb
= FALSE
;
977 curbuf
->b_start_bomb
= FALSE
;
984 * When retrying with another "fenc" and the first time "fileformat"
988 keep_fileformat
= FALSE
;
991 if (eap
!= NULL
&& eap
->force_ff
!= 0)
993 fileformat
= get_fileformat_force(curbuf
, eap
);
994 try_unix
= try_dos
= try_mac
= FALSE
;
996 else if (curbuf
->b_p_bin
)
997 fileformat
= EOL_UNIX
; /* binary: use Unix format */
998 else if (*p_ffs
== NUL
)
999 fileformat
= get_fileformat(curbuf
);/* use format from buffer */
1001 fileformat
= EOL_UNKNOWN
; /* detect from file */
1006 if (iconv_fd
!= (iconv_t
)-1)
1008 /* aborted conversion with iconv(), close the descriptor */
1009 iconv_close(iconv_fd
);
1010 iconv_fd
= (iconv_t
)-1;
1017 * Try the next entry in 'fileencodings'.
1019 advance_fenc
= FALSE
;
1021 if (eap
!= NULL
&& eap
->force_enc
!= 0)
1023 /* Conversion given with "++cc=" wasn't possible, read
1024 * without conversion. */
1025 notconverted
= TRUE
;
1029 fenc
= (char_u
*)"";
1030 fenc_alloced
= FALSE
;
1036 if (fenc_next
!= NULL
)
1038 fenc
= next_fenc(&fenc_next
);
1039 fenc_alloced
= (fenc_next
!= NULL
);
1043 fenc
= (char_u
*)"";
1044 fenc_alloced
= FALSE
;
1047 if (tmpname
!= NULL
)
1049 mch_remove(tmpname
); /* delete converted file */
1056 * Conversion may be required when the encoding of the file is different
1057 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4.
1060 converted
= need_conversion(fenc
);
1064 /* "ucs-bom" means we need to check the first bytes of the file
1066 if (STRCMP(fenc
, ENC_UCSBOM
) == 0)
1067 fio_flags
= FIO_UCSBOM
;
1070 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be
1071 * done. This is handled below after read(). Prepare the
1072 * fio_flags to avoid having to parse the string each time.
1073 * Also check for Unicode to Latin1 conversion, because iconv()
1074 * appears not to handle this correctly. This works just like
1075 * conversion to UTF-8 except how the resulting character is put in
1078 else if (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
1079 fio_flags
= get_fio_flags(fenc
);
1083 * Conversion from an MS-Windows codepage to UTF-8 or another codepage
1084 * is handled with MultiByteToWideChar().
1087 fio_flags
= get_win_fio_flags(fenc
);
1091 /* Conversion from Apple MacRoman to latin1 or UTF-8 */
1093 fio_flags
= get_mac_fio_flags(fenc
);
1098 * Try using iconv() if we can't convert internally.
1105 iconv_fd
= (iconv_t
)my_iconv_open(
1106 enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
);
1111 * Use the 'charconvert' expression when conversion is required
1112 * and we can't do it internally or with iconv().
1114 if (fio_flags
== 0 && !read_stdin
&& !read_buffer
&& *p_ccv
!= NUL
1116 && iconv_fd
== (iconv_t
)-1
1123 /* Skip conversion when it's already done (retry for wrong
1125 if (tmpname
== NULL
)
1127 tmpname
= readfile_charconvert(fname
, fenc
, &fd
);
1128 if (tmpname
== NULL
)
1130 /* Conversion failed. Try another one. */
1131 advance_fenc
= TRUE
;
1134 /* Re-opening the original file failed! */
1135 EMSG(_("E202: Conversion made file unreadable!"));
1148 && iconv_fd
== (iconv_t
)-1
1152 /* Conversion wanted but we can't.
1153 * Try the next conversion in 'fileencodings' */
1154 advance_fenc
= TRUE
;
1160 /* Set "can_retry" when it's possible to rewind the file and try with
1161 * another "fenc" value. It's FALSE when no other "fenc" to try, reading
1162 * stdin or fixed at a specific encoding. */
1163 can_retry
= (*fenc
!= NUL
&& !read_stdin
&& !keep_dest_enc
);
1170 skip_count
= lines_to_skip
;
1171 read_count
= lines_to_read
;
1177 while (!error
&& !got_int
)
1180 * We allocate as much space for the file as we can get, plus
1181 * space for the old line plus room for one terminating NUL.
1182 * The amount is limited by the fact that read() only can read
1183 * upto max_unsigned characters (and other things).
1186 if (linerest
>= 0x7ff0)
1189 *ptr
= NL
; /* split line by inserting a NL */
1198 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L)
1199 size
= SSIZE_MAX
; /* use max I/O size, 52K */
1201 size
= 0x10000L
; /* use buffer >= 64K */
1204 size
= 0x7ff0L
- linerest
; /* limit buffer to 32K */
1207 for ( ; size
>= 10; size
= (long)((long_u
)size
>> 1))
1209 if ((new_buffer
= lalloc((long_u
)(size
+ linerest
+ 1),
1213 if (new_buffer
== NULL
)
1215 do_outofmem_msg((long_u
)(size
* 2 + linerest
+ 1));
1219 if (linerest
) /* copy characters from the previous buffer */
1220 mch_memmove(new_buffer
, ptr
- linerest
, (size_t)linerest
);
1222 buffer
= new_buffer
;
1223 ptr
= buffer
+ linerest
;
1224 line_start
= buffer
;
1227 /* May need room to translate into.
1228 * For iconv() we don't really know the required space, use a
1229 * factor ICONV_MULT.
1230 * latin1 to utf-8: 1 byte becomes up to 2 bytes
1231 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes
1232 * become up to 4 bytes, size must be multiple of 2
1233 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be
1235 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be
1237 real_size
= (int)size
;
1239 if (iconv_fd
!= (iconv_t
)-1)
1240 size
= size
/ ICONV_MULT
;
1243 if (fio_flags
& FIO_LATIN1
)
1245 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1246 size
= (size
* 2 / 3) & ~1;
1247 else if (fio_flags
& FIO_UCS4
)
1248 size
= (size
* 2 / 3) & ~3;
1249 else if (fio_flags
== FIO_UCSBOM
)
1250 size
= size
/ ICONV_MULT
; /* worst case */
1252 else if (fio_flags
& FIO_CODEPAGE
)
1253 size
= size
/ ICONV_MULT
; /* also worst case */
1256 else if (fio_flags
& FIO_MACROMAN
)
1257 size
= size
/ ICONV_MULT
; /* also worst case */
1262 if (conv_restlen
> 0)
1264 /* Insert unconverted bytes from previous line. */
1265 mch_memmove(ptr
, conv_rest
, conv_restlen
);
1266 ptr
+= conv_restlen
;
1267 size
-= conv_restlen
;
1274 * Read bytes from curbuf. Used for converting text read
1277 if (read_buf_lnum
> from
)
1287 p
= ml_get(read_buf_lnum
) + read_buf_col
;
1289 if ((int)tlen
+ n
+ 1 > size
)
1291 /* Filled up to "size", append partial line.
1292 * Change NL to NUL to reverse the effect done
1294 n
= (int)(size
- tlen
);
1295 for (ni
= 0; ni
< n
; ++ni
)
1300 ptr
[tlen
++] = p
[ni
];
1307 /* Append whole line and new-line. Change NL
1308 * to NUL to reverse the effect done below. */
1309 for (ni
= 0; ni
< n
; ++ni
)
1314 ptr
[tlen
++] = p
[ni
];
1318 if (++read_buf_lnum
> from
)
1320 /* When the last line didn't have an
1321 * end-of-line don't add it now either. */
1322 if (!curbuf
->b_p_eol
)
1334 * Read bytes from the file.
1336 size
= vim_read(fd
, ptr
, size
);
1341 if (size
< 0) /* read error */
1344 else if (conv_restlen
> 0)
1347 * Reached end-of-file but some trailing bytes could
1348 * not be converted. Truncated file?
1351 /* When we did a conversion report an error. */
1354 || iconv_fd
!= (iconv_t
)-1
1358 if (conv_error
== 0)
1359 conv_error
= curbuf
->b_ml
.ml_line_count
1362 /* Remember the first linenr with an illegal byte */
1363 else if (illegal_byte
== 0)
1364 illegal_byte
= curbuf
->b_ml
.ml_line_count
1366 if (bad_char_behavior
== BAD_DROP
)
1368 *(ptr
- conv_restlen
) = NUL
;
1373 /* Replace the trailing bytes with the replacement
1374 * character if we were converting; if we weren't,
1375 * leave the UTF8 checking code to do it, as it
1376 * works slightly differently. */
1377 if (bad_char_behavior
!= BAD_KEEP
&& (fio_flags
!= 0
1379 || iconv_fd
!= (iconv_t
)-1
1383 while (conv_restlen
> 0)
1385 *(--ptr
) = bad_char_behavior
;
1389 fio_flags
= 0; /* don't convert this */
1391 if (iconv_fd
!= (iconv_t
)-1)
1393 iconv_close(iconv_fd
);
1394 iconv_fd
= (iconv_t
)-1;
1404 * At start of file: Check for magic number of encryption.
1407 cryptkey
= check_for_cryptkey(cryptkey
, ptr
, &size
,
1408 &filesize
, newfile
);
1410 * Decrypt the read bytes.
1412 if (cryptkey
!= NULL
&& size
> 0)
1413 for (p
= ptr
; p
< ptr
+ size
; ++p
)
1421 * At start of file (or after crypt magic number): Check for BOM.
1422 * Also check for a BOM for other Unicode encodings, but not after
1423 * converting with 'charconvert' or when a BOM has already been
1428 || (filesize
== CRYPT_MAGIC_LEN
&& cryptkey
!= NULL
)
1431 && (fio_flags
== FIO_UCSBOM
1432 || (!curbuf
->b_p_bomb
1434 && (*fenc
== 'u' || (*fenc
== NUL
&& enc_utf8
)))))
1439 /* no BOM detection in a short file or in binary mode */
1440 if (size
< 2 || curbuf
->b_p_bin
)
1443 ccname
= check_for_bom(ptr
, size
, &blen
,
1444 fio_flags
== FIO_UCSBOM
? FIO_ALL
: get_fio_flags(fenc
));
1447 /* Remove BOM from the text */
1450 mch_memmove(ptr
, ptr
+ blen
, (size_t)size
);
1453 curbuf
->b_p_bomb
= TRUE
;
1454 curbuf
->b_start_bomb
= TRUE
;
1458 if (fio_flags
== FIO_UCSBOM
)
1462 /* No BOM detected: retry with next encoding. */
1463 advance_fenc
= TRUE
;
1467 /* BOM detected: set "fenc" and jump back */
1471 fenc_alloced
= FALSE
;
1473 /* retry reading without getting new bytes or rewinding */
1479 /* Include not converted bytes. */
1480 ptr
-= conv_restlen
;
1481 size
+= conv_restlen
;
1485 * Break here for a read error or end-of-file.
1493 if (iconv_fd
!= (iconv_t
)-1)
1496 * Attempt conversion of the read bytes to 'encoding' using
1504 fromp
= (char *)ptr
;
1508 to_size
= real_size
- size
;
1511 * If there is conversion error or not enough room try using
1512 * another conversion. Except for when there is no
1513 * alternative (help files).
1515 while ((iconv(iconv_fd
, (void *)&fromp
, &from_size
,
1517 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
1518 || from_size
> CONV_RESTLEN
)
1522 if (conv_error
== 0)
1523 conv_error
= readfile_linenr(linecnt
,
1524 ptr
, (char_u
*)top
);
1526 /* Deal with a bad byte and continue with the next. */
1529 if (bad_char_behavior
== BAD_KEEP
)
1531 *top
++ = *(fromp
- 1);
1534 else if (bad_char_behavior
!= BAD_DROP
)
1536 *top
++ = bad_char_behavior
;
1543 /* Some remaining characters, keep them for the next
1545 mch_memmove(conv_rest
, (char_u
*)fromp
, from_size
);
1546 conv_restlen
= (int)from_size
;
1549 /* move the linerest to before the converted characters */
1550 line_start
= ptr
- linerest
;
1551 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1552 size
= (long)((char_u
*)top
- ptr
);
1557 if (fio_flags
& FIO_CODEPAGE
)
1562 int codepage
= FIO_GET_CP(fio_flags
);
1568 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or
1569 * a codepage, using standard MS-Windows functions. This
1570 * requires two steps:
1571 * 1. convert from 'fileencoding' to ucs-2
1572 * 2. convert from ucs-2 to 'encoding'
1574 * Because there may be illegal bytes AND an incomplete byte
1575 * sequence at the end, we may have to do the conversion one
1576 * character at a time to get it right.
1579 /* Replacement string for WideCharToMultiByte(). */
1580 if (bad_char_behavior
> 0)
1581 replstr
[0] = bad_char_behavior
;
1587 * Move the bytes to the end of the buffer, so that we have
1588 * room to put the result at the start.
1590 src
= ptr
+ real_size
- size
;
1591 mch_memmove(src
, ptr
, size
);
1594 * Do the conversion.
1602 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
1603 if (codepage
== CP_UTF8
)
1605 /* Handle CP_UTF8 input ourselves to be able to handle
1606 * trailing bytes properly.
1607 * Get one UTF-8 character from src. */
1608 bytelen
= (int)utf_ptr2len_len(src
, size
);
1611 /* Only got some bytes of a character. Normally
1612 * it's put in "conv_rest", but if it's too long
1613 * deal with it as if they were illegal bytes. */
1614 if (bytelen
<= CONV_RESTLEN
)
1617 /* weird overlong byte sequence */
1623 int u8c
= utf_ptr2char(src
);
1625 if (u8c
> 0xffff || (*src
>= 0x80 && bytelen
== 1))
1634 /* We don't know how long the byte sequence is, try
1635 * from one to three bytes. */
1636 for (bytelen
= 1; bytelen
<= size
&& bytelen
<= 3;
1639 ucs2len
= MultiByteToWideChar(codepage
,
1640 MB_ERR_INVALID_CHARS
,
1641 (LPCSTR
)src
, bytelen
,
1648 /* If we have only one byte then it's probably an
1649 * incomplete byte sequence. Otherwise discard
1650 * one byte as a bad character. */
1662 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */
1665 /* From UCS-2 to UTF-8. Cannot fail. */
1666 for (i
= 0; i
< ucs2len
; ++i
)
1667 dst
+= utf_char2bytes(ucs2buf
[i
], dst
);
1674 /* From UCS-2 to "enc_codepage". If the
1675 * conversion uses the default character "?",
1676 * the data doesn't fit in this encoding. */
1677 dstlen
= WideCharToMultiByte(enc_codepage
, 0,
1678 (LPCWSTR
)ucs2buf
, ucs2len
,
1679 (LPSTR
)dst
, (int)(src
- dst
),
1690 /* Deal with bytes we can't convert. */
1693 if (conv_error
== 0)
1694 conv_error
= readfile_linenr(linecnt
, ptr
, dst
);
1695 if (bad_char_behavior
!= BAD_DROP
)
1697 if (bad_char_behavior
== BAD_KEEP
)
1699 mch_memmove(dst
, src
, bytelen
);
1703 *dst
++ = bad_char_behavior
;
1713 /* An incomplete byte sequence remaining. */
1714 mch_memmove(conv_rest
, src
, size
);
1715 conv_restlen
= size
;
1718 /* The new size is equal to how much "dst" was advanced. */
1719 size
= (long)(dst
- ptr
);
1723 # ifdef MACOS_CONVERT
1724 if (fio_flags
& FIO_MACROMAN
)
1727 * Conversion from Apple MacRoman char encoding to UTF-8 or
1728 * latin1. This is in os_mac_conv.c.
1730 if (macroman2enc(ptr
, &size
, real_size
) == FAIL
)
1739 char_u
*tail
= NULL
;
1742 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8.
1743 * "enc_utf8" not set: Convert Unicode to Latin1.
1744 * Go from end to start through the buffer, because the number
1745 * of bytes may increase.
1746 * "dest" points to after where the UTF-8 bytes go, "p" points
1747 * to after the next character to convert.
1749 dest
= ptr
+ real_size
;
1750 if (fio_flags
== FIO_LATIN1
|| fio_flags
== FIO_UTF8
)
1753 if (fio_flags
== FIO_UTF8
)
1755 /* Check for a trailing incomplete UTF-8 sequence */
1756 tail
= ptr
+ size
- 1;
1757 while (tail
> ptr
&& (*tail
& 0xc0) == 0x80)
1759 if (tail
+ utf_byte2len(*tail
) <= ptr
+ size
)
1765 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1767 /* Check for a trailing byte */
1768 p
= ptr
+ (size
& ~1);
1771 if ((fio_flags
& FIO_UTF16
) && p
> ptr
)
1773 /* Check for a trailing leading word */
1774 if (fio_flags
& FIO_ENDIAN_L
)
1784 if (u8c
>= 0xd800 && u8c
<= 0xdbff)
1792 /* Check for trailing 1, 2 or 3 bytes */
1793 p
= ptr
+ (size
& ~3);
1798 /* If there is a trailing incomplete sequence move it to
1802 conv_restlen
= (int)((ptr
+ size
) - tail
);
1803 mch_memmove(conv_rest
, (char_u
*)tail
, conv_restlen
);
1804 size
-= conv_restlen
;
1810 if (fio_flags
& FIO_LATIN1
)
1812 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1814 if (fio_flags
& FIO_ENDIAN_L
)
1824 if ((fio_flags
& FIO_UTF16
)
1825 && u8c
>= 0xdc00 && u8c
<= 0xdfff)
1831 /* Missing leading word. */
1834 if (conv_error
== 0)
1835 conv_error
= readfile_linenr(linecnt
,
1837 if (bad_char_behavior
== BAD_DROP
)
1839 if (bad_char_behavior
!= BAD_KEEP
)
1840 u8c
= bad_char_behavior
;
1843 /* found second word of double-word, get the first
1844 * word and compute the resulting character */
1845 if (fio_flags
& FIO_ENDIAN_L
)
1853 u16c
+= (*--p
<< 8);
1855 u8c
= 0x10000 + ((u16c
& 0x3ff) << 10)
1858 /* Check if the word is indeed a leading word. */
1859 if (u16c
< 0xd800 || u16c
> 0xdbff)
1863 if (conv_error
== 0)
1864 conv_error
= readfile_linenr(linecnt
,
1866 if (bad_char_behavior
== BAD_DROP
)
1868 if (bad_char_behavior
!= BAD_KEEP
)
1869 u8c
= bad_char_behavior
;
1873 else if (fio_flags
& FIO_UCS4
)
1875 if (fio_flags
& FIO_ENDIAN_L
)
1878 u8c
+= (*--p
<< 16);
1882 else /* big endian */
1886 u8c
+= (*--p
<< 16);
1887 u8c
+= (*--p
<< 24);
1896 len
= utf_head_off(ptr
, p
);
1898 u8c
= utf_ptr2char(p
);
1901 /* Not a valid UTF-8 character, retry with
1902 * another fenc when possible, otherwise just
1903 * report the error. */
1906 if (conv_error
== 0)
1907 conv_error
= readfile_linenr(linecnt
,
1909 if (bad_char_behavior
== BAD_DROP
)
1911 if (bad_char_behavior
!= BAD_KEEP
)
1912 u8c
= bad_char_behavior
;
1916 if (enc_utf8
) /* produce UTF-8 */
1918 dest
-= utf_char2len(u8c
);
1919 (void)utf_char2bytes(u8c
, dest
);
1921 else /* produce Latin1 */
1926 /* character doesn't fit in latin1, retry with
1927 * another fenc when possible, otherwise just
1928 * report the error. */
1931 if (conv_error
== 0)
1932 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
1933 if (bad_char_behavior
== BAD_DROP
)
1935 else if (bad_char_behavior
== BAD_KEEP
)
1937 else if (eap
!= NULL
&& eap
->bad_char
!= 0)
1938 *dest
= bad_char_behavior
;
1947 /* move the linerest to before the converted characters */
1948 line_start
= dest
- linerest
;
1949 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1950 size
= (long)((ptr
+ real_size
) - dest
);
1953 else if (enc_utf8
&& !curbuf
->b_p_bin
)
1955 int incomplete_tail
= FALSE
;
1957 /* Reading UTF-8: Check if the bytes are valid UTF-8. */
1958 for (p
= ptr
; ; ++p
)
1960 int todo
= (int)((ptr
+ size
) - p
);
1967 /* A length of 1 means it's an illegal byte. Accept
1968 * an incomplete character at the end though, the next
1969 * read() will get the next bytes, we'll check it
1971 l
= utf_ptr2len_len(p
, todo
);
1972 if (l
> todo
&& !incomplete_tail
)
1974 /* Avoid retrying with a different encoding when
1975 * a truncated file is more likely, or attempting
1976 * to read the rest of an incomplete sequence when
1977 * we have already done so. */
1978 if (p
> ptr
|| filesize
> 0)
1979 incomplete_tail
= TRUE
;
1980 /* Incomplete byte sequence, move it to conv_rest[]
1981 * and try to read the rest of it, unless we've
1982 * already done so. */
1985 conv_restlen
= todo
;
1986 mch_memmove(conv_rest
, p
, conv_restlen
);
1987 size
-= conv_restlen
;
1991 if (l
== 1 || l
> todo
)
1993 /* Illegal byte. If we can try another encoding
1994 * do that, unless at EOF where a truncated
1995 * file is more likely than a conversion error. */
1996 if (can_retry
&& !incomplete_tail
)
1999 /* When we did a conversion report an error. */
2000 if (iconv_fd
!= (iconv_t
)-1 && conv_error
== 0)
2001 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
2003 /* Remember the first linenr with an illegal byte */
2004 if (conv_error
== 0 && illegal_byte
== 0)
2005 illegal_byte
= readfile_linenr(linecnt
, ptr
, p
);
2007 /* Drop, keep or replace the bad byte. */
2008 if (bad_char_behavior
== BAD_DROP
)
2010 mch_memmove(p
, p
+ 1, todo
- 1);
2014 else if (bad_char_behavior
!= BAD_KEEP
)
2015 *p
= bad_char_behavior
;
2021 if (p
< ptr
+ size
&& !incomplete_tail
)
2023 /* Detected a UTF-8 error. */
2025 /* Retry reading with another conversion. */
2026 # if defined(FEAT_EVAL) && defined(USE_ICONV)
2027 if (*p_ccv
!= NUL
&& iconv_fd
!= (iconv_t
)-1)
2028 /* iconv() failed, try 'charconvert' */
2032 /* use next item from 'fileencodings' */
2033 advance_fenc
= TRUE
;
2040 /* count the number of characters (after conversion!) */
2044 * when reading the first part of a file: guess EOL type
2046 if (fileformat
== EOL_UNKNOWN
)
2048 /* First try finding a NL, for Dos and Unix */
2049 if (try_dos
|| try_unix
)
2051 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2056 || (try_dos
&& p
> ptr
&& p
[-1] == CAR
))
2057 fileformat
= EOL_DOS
;
2059 fileformat
= EOL_UNIX
;
2064 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */
2065 if (fileformat
== EOL_UNIX
&& try_mac
)
2067 /* Need to reset the counters when retrying fenc. */
2070 for (; p
>= ptr
&& *p
!= CAR
; p
--)
2074 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2081 if (try_mac
> try_unix
)
2082 fileformat
= EOL_MAC
;
2087 /* No NL found: may use Mac format */
2088 if (fileformat
== EOL_UNKNOWN
&& try_mac
)
2089 fileformat
= EOL_MAC
;
2091 /* Still nothing found? Use first format in 'ffs' */
2092 if (fileformat
== EOL_UNKNOWN
)
2093 fileformat
= default_fileformat();
2095 /* if editing a new file: may set p_tx and p_ff */
2097 set_fileformat(fileformat
, OPT_LOCAL
);
2102 * This loop is executed once for every character read.
2105 if (fileformat
== EOL_MAC
)
2108 while (++ptr
, --size
>= 0)
2110 /* catch most common case first */
2111 if ((c
= *ptr
) != NUL
&& c
!= CAR
&& c
!= NL
)
2114 *ptr
= NL
; /* NULs are replaced by newlines! */
2116 *ptr
= CAR
; /* NLs are replaced by CRs! */
2119 if (skip_count
== 0)
2121 *ptr
= NUL
; /* end of line */
2122 len
= (colnr_T
) (ptr
- line_start
+ 1);
2123 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2129 if (--read_count
== 0)
2131 error
= TRUE
; /* break loop */
2132 line_start
= ptr
; /* nothing left to write */
2138 line_start
= ptr
+ 1;
2145 while (++ptr
, --size
>= 0)
2147 if ((c
= *ptr
) != NUL
&& c
!= NL
) /* catch most common case */
2150 *ptr
= NL
; /* NULs are replaced by newlines! */
2153 if (skip_count
== 0)
2155 *ptr
= NUL
; /* end of line */
2156 len
= (colnr_T
)(ptr
- line_start
+ 1);
2157 if (fileformat
== EOL_DOS
)
2159 if (ptr
[-1] == CAR
) /* remove CR */
2165 * Reading in Dos format, but no CR-LF found!
2166 * When 'fileformats' includes "unix", delete all
2167 * the lines read so far and start all over again.
2168 * Otherwise give an error message later.
2170 else if (ff_error
!= EOL_DOS
)
2175 || lseek(fd
, (off_t
)0L, SEEK_SET
) == 0))
2177 fileformat
= EOL_UNIX
;
2179 set_fileformat(EOL_UNIX
, OPT_LOCAL
);
2181 keep_fileformat
= TRUE
;
2187 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2193 if (--read_count
== 0)
2195 error
= TRUE
; /* break loop */
2196 line_start
= ptr
; /* nothing left to write */
2202 line_start
= ptr
+ 1;
2206 linerest
= (long)(ptr
- line_start
);
2211 /* not an error, max. number of lines reached */
2212 if (error
&& read_count
== 0)
2216 * If we get EOF in the middle of a line, note the fact and
2217 * complete the line ourselves.
2218 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set.
2223 && !(!curbuf
->b_p_bin
2224 && fileformat
== EOL_DOS
2225 && *line_start
== Ctrl_Z
2226 && ptr
== line_start
+ 1))
2228 /* remember for when writing */
2230 curbuf
->b_p_eol
= FALSE
;
2232 if (ml_append(lnum
, line_start
,
2233 (colnr_T
)(ptr
- line_start
+ 1), newfile
) == FAIL
)
2236 read_no_eol_lnum
= ++lnum
;
2240 save_file_ff(curbuf
); /* remember the current file format */
2243 if (cryptkey
!= curbuf
->b_p_key
)
2248 /* If editing a new file: set 'fenc' for the current buffer.
2249 * Also for ":read ++edit file". */
2251 set_string_option_direct((char_u
*)"fenc", -1, fenc
,
2252 OPT_FREE
|OPT_LOCAL
, 0);
2256 if (iconv_fd
!= (iconv_t
)-1)
2258 iconv_close(iconv_fd
);
2259 iconv_fd
= (iconv_t
)-1;
2264 if (!read_buffer
&& !read_stdin
)
2265 close(fd
); /* errors are ignored */
2266 #ifdef HAVE_FD_CLOEXEC
2269 int fdflags
= fcntl(fd
, F_GETFD
);
2270 if (fdflags
>= 0 && (fdflags
& FD_CLOEXEC
) == 0)
2271 fcntl(fd
, F_SETFD
, fdflags
| FD_CLOEXEC
);
2279 /* Use stderr for stdin, makes shell commands work. */
2286 if (tmpname
!= NULL
)
2288 mch_remove(tmpname
); /* delete converted file */
2292 --no_wait_return
; /* may wait for return now */
2295 * In recovery mode everything but autocommands is skipped.
2299 /* need to delete the last line, which comes from the empty buffer */
2300 if (newfile
&& wasempty
&& !(curbuf
->b_ml
.ml_flags
& ML_EMPTY
))
2302 #ifdef FEAT_NETBEANS_INTG
2303 netbeansFireChanges
= 0;
2305 ml_delete(curbuf
->b_ml
.ml_line_count
, FALSE
);
2306 #ifdef FEAT_NETBEANS_INTG
2307 netbeansFireChanges
= 1;
2311 linecnt
= curbuf
->b_ml
.ml_line_count
- linecnt
;
2314 if (newfile
|| read_buffer
)
2316 redraw_curbuf_later(NOT_VALID
);
2318 /* After reading the text into the buffer the diff info needs to
2320 diff_invalidate(curbuf
);
2323 /* All folds in the window are invalid now. Mark them for update
2324 * before triggering autocommands. */
2325 foldUpdateAll(curwin
);
2328 else if (linecnt
) /* appended at least one line */
2329 appended_lines_mark(from
, linecnt
);
2331 #ifndef ALWAYS_USE_GUI
2333 * If we were reading from the same terminal as where messages go,
2334 * the screen will have been messed up.
2335 * Switch on raw mode now and clear the screen.
2339 settmode(TMODE_RAW
); /* set to raw mode */
2347 if (!(flags
& READ_DUMMY
))
2349 filemess(curbuf
, sfname
, (char_u
*)_(e_interr
), 0);
2351 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
2353 msg_scroll
= msg_save
;
2357 return OK
; /* an interrupt isn't really an error */
2360 if (!filtering
&& !(flags
& READ_DUMMY
))
2362 msg_add_fname(curbuf
, sfname
); /* fname in IObuff with quotes */
2367 if (S_ISFIFO(perm
)) /* fifo or socket */
2369 STRCAT(IObuff
, _("[fifo/socket]"));
2374 if ((perm
& S_IFMT
) == S_IFIFO
) /* fifo */
2376 STRCAT(IObuff
, _("[fifo]"));
2381 if ((perm
& S_IFMT
) == S_IFSOCK
) /* or socket */
2383 STRCAT(IObuff
, _("[socket]"));
2388 # ifdef OPEN_CHR_FILES
2389 if (S_ISCHR(perm
)) /* or character special */
2391 STRCAT(IObuff
, _("[character special]"));
2398 STRCAT(IObuff
, shortmess(SHM_RO
) ? _("[RO]") : _("[readonly]"));
2401 if (read_no_eol_lnum
)
2406 if (ff_error
== EOL_DOS
)
2408 STRCAT(IObuff
, _("[CR missing]"));
2413 STRCAT(IObuff
, _("[long lines split]"));
2419 STRCAT(IObuff
, _("[NOT converted]"));
2424 STRCAT(IObuff
, _("[converted]"));
2429 if (cryptkey
!= NULL
)
2431 STRCAT(IObuff
, _("[crypted]"));
2436 if (conv_error
!= 0)
2438 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2439 _("[CONVERSION ERROR in line %ld]"), (long)conv_error
);
2442 else if (illegal_byte
> 0)
2444 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2445 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte
);
2452 STRCAT(IObuff
, _("[READ ERRORS]"));
2455 if (msg_add_fileformat(fileformat
))
2458 if (cryptkey
!= NULL
)
2459 msg_add_lines(c
, (long)linecnt
, filesize
- CRYPT_MAGIC_LEN
);
2462 msg_add_lines(c
, (long)linecnt
, filesize
);
2466 msg_scrolled_ign
= TRUE
;
2467 #ifdef ALWAYS_USE_GUI
2468 /* Don't show the message when reading stdin, it would end up in a
2469 * message box (which might be shown when exiting!) */
2470 if (read_stdin
|| read_buffer
)
2471 p
= msg_may_trunc(FALSE
, IObuff
);
2474 p
= msg_trunc_attr(IObuff
, FALSE
, 0);
2475 if (read_stdin
|| read_buffer
|| restart_edit
!= 0
2476 || (msg_scrolled
!= 0 && !need_wait_return
))
2477 /* Need to repeat the message after redrawing when:
2478 * - When reading from stdin (the screen will be cleared next).
2479 * - When restart_edit is set (otherwise there will be a delay
2480 * before redrawing).
2481 * - When the screen was scrolled but there is no wait-return
2484 msg_scrolled_ign
= FALSE
;
2487 /* with errors writing the file requires ":w!" */
2488 if (newfile
&& (error
2491 || (illegal_byte
> 0 && bad_char_behavior
!= BAD_KEEP
)
2494 curbuf
->b_p_ro
= TRUE
;
2496 u_clearline(); /* cannot use "U" command after adding lines */
2499 * In Ex mode: cursor at last new line.
2500 * Otherwise: cursor at first new line.
2503 curwin
->w_cursor
.lnum
= from
+ linecnt
;
2505 curwin
->w_cursor
.lnum
= from
+ 1;
2506 check_cursor_lnum();
2507 beginline(BL_WHITE
| BL_FIX
); /* on first non-blank */
2510 * Set '[ and '] marks to the newly read lines.
2512 curbuf
->b_op_start
.lnum
= from
+ 1;
2513 curbuf
->b_op_start
.col
= 0;
2514 curbuf
->b_op_end
.lnum
= from
+ linecnt
;
2515 curbuf
->b_op_end
.col
= 0;
2519 * Work around a weird problem: When a file has two links (only
2520 * possible on NTFS) and we write through one link, then stat() it
2521 * through the other link, the timestamp information may be wrong.
2522 * It's correct again after reading the file, thus reset the timestamp
2525 if (newfile
&& !read_stdin
&& !read_buffer
2526 && mch_stat((char *)fname
, &st
) >= 0)
2528 buf_store_time(curbuf
, &st
, fname
);
2529 curbuf
->b_mtime_read
= curbuf
->b_mtime
;
2533 msg_scroll
= msg_save
;
2537 * Get the marks before executing autocommands, so they can be used there.
2543 * Trick: We remember if the last line of the read didn't have
2544 * an eol for when writing it again. This is required for
2545 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work.
2547 write_no_eol_lnum
= read_no_eol_lnum
;
2550 if (!read_stdin
&& !read_buffer
)
2553 int n
= msg_scrolled
;
2555 /* Save the fileformat now, otherwise the buffer will be considered
2556 * modified if the format/encoding was automatically detected. */
2558 save_file_ff(curbuf
);
2561 * The output from the autocommands should not overwrite anything and
2562 * should not be overwritten: Set msg_scroll, restore its value if no
2567 apply_autocmds_exarg(EVENT_FILTERREADPOST
, NULL
, sfname
,
2568 FALSE
, curbuf
, eap
);
2570 apply_autocmds_exarg(EVENT_BUFREADPOST
, NULL
, sfname
,
2571 FALSE
, curbuf
, eap
);
2573 apply_autocmds_exarg(EVENT_FILEREADPOST
, sfname
, sfname
,
2575 if (msg_scrolled
== n
)
2578 if (aborting()) /* autocmds may abort script processing */
2584 if (recoverymode
&& error
)
2589 #ifdef OPEN_CHR_FILES
2591 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+",
2592 * which is the name of files used for process substitution output by
2593 * some shells on some operating systems, e.g., bash on SunOS.
2594 * Do not accept "/dev/fd/[012]", opening these may hang Vim.
2597 is_dev_fd_file(fname
)
2600 return (STRNCMP(fname
, "/dev/fd/", 8) == 0
2601 && VIM_ISDIGIT(fname
[8])
2602 && *skipdigits(fname
+ 9) == NUL
2604 || (fname
[8] != '0' && fname
[8] != '1' && fname
[8] != '2')));
2611 * From the current line count and characters read after that, estimate the
2612 * line number where we are now.
2613 * Used for error messages that include a line number.
2616 readfile_linenr(linecnt
, p
, endp
)
2617 linenr_T linecnt
; /* line count before reading more bytes */
2618 char_u
*p
; /* start of more bytes read */
2619 char_u
*endp
; /* end of more bytes read */
2624 lnum
= curbuf
->b_ml
.ml_line_count
- linecnt
+ 1;
2625 for (s
= p
; s
< endp
; ++s
)
2633 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be
2634 * equal to the buffer "buf". Used for calling readfile().
2635 * Returns OK or FAIL.
2638 prep_exarg(eap
, buf
)
2642 eap
->cmd
= alloc((unsigned)(STRLEN(buf
->b_p_ff
)
2644 + STRLEN(buf
->b_p_fenc
)
2647 if (eap
->cmd
== NULL
)
2651 sprintf((char *)eap
->cmd
, "e ++ff=%s ++enc=%s", buf
->b_p_ff
, buf
->b_p_fenc
);
2652 eap
->force_enc
= 14 + (int)STRLEN(buf
->b_p_ff
);
2653 eap
->bad_char
= buf
->b_bad_char
;
2655 sprintf((char *)eap
->cmd
, "e ++ff=%s", buf
->b_p_ff
);
2659 eap
->force_bin
= buf
->b_p_bin
? FORCE_BIN
: FORCE_NOBIN
;
2660 eap
->read_edit
= FALSE
;
2661 eap
->forceit
= FALSE
;
2667 * Find next fileencoding to use from 'fileencodings'.
2668 * "pp" points to fenc_next. It's advanced to the next item.
2669 * When there are no more items, an empty string is returned and *pp is set to
2671 * When *pp is not set to NULL, the result is in allocated memory.
2683 return (char_u
*)"";
2685 p
= vim_strchr(*pp
, ',');
2688 r
= enc_canonize(*pp
);
2693 r
= vim_strnsave(*pp
, (int)(p
- *pp
));
2697 p
= enc_canonize(r
);
2702 if (r
== NULL
) /* out of memory */
2712 * Convert a file with the 'charconvert' expression.
2713 * This closes the file which is to be read, converts it and opens the
2714 * resulting file for reading.
2715 * Returns name of the resulting converted file (the caller should delete it
2716 * after reading it).
2717 * Returns NULL if the conversion failed ("*fdp" is not set) .
2720 readfile_charconvert(fname
, fenc
, fdp
)
2721 char_u
*fname
; /* name of input file */
2722 char_u
*fenc
; /* converted from */
2723 int *fdp
; /* in/out: file descriptor of file */
2726 char_u
*errmsg
= NULL
;
2728 tmpname
= vim_tempname('r');
2729 if (tmpname
== NULL
)
2730 errmsg
= (char_u
*)_("Can't find temp file for conversion");
2733 close(*fdp
); /* close the input file, ignore errors */
2735 if (eval_charconvert(fenc
, enc_utf8
? (char_u
*)"utf-8" : p_enc
,
2736 fname
, tmpname
) == FAIL
)
2737 errmsg
= (char_u
*)_("Conversion with 'charconvert' failed");
2738 if (errmsg
== NULL
&& (*fdp
= mch_open((char *)tmpname
,
2739 O_RDONLY
| O_EXTRA
, 0)) < 0)
2740 errmsg
= (char_u
*)_("can't read output of 'charconvert'");
2745 /* Don't use emsg(), it breaks mappings, the retry with
2746 * another type of conversion might still work. */
2748 if (tmpname
!= NULL
)
2750 mch_remove(tmpname
); /* delete converted file */
2756 /* If the input file is closed, open it (caller should check for error). */
2758 *fdp
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
2768 * Read marks for the current buffer from the viminfo file, when we support
2769 * buffer marks and the buffer has a name.
2774 if (!curbuf
->b_marks_read
&& get_viminfo_parameter('\'') > 0
2775 && curbuf
->b_ffname
!= NULL
)
2776 read_viminfo(NULL
, VIF_WANT_MARKS
);
2778 /* Always set b_marks_read; needed when 'viminfo' is changed to include
2779 * the ' parameter after opening a buffer. */
2780 curbuf
->b_marks_read
= TRUE
;
2786 * Check for magic number used for encryption.
2787 * If found, the magic number is removed from ptr[*sizep] and *sizep and
2788 * *filesizep are updated.
2789 * Return the (new) encryption key, NULL for no encryption.
2792 check_for_cryptkey(cryptkey
, ptr
, sizep
, filesizep
, newfile
)
2793 char_u
*cryptkey
; /* previous encryption key or NULL */
2794 char_u
*ptr
; /* pointer to read bytes */
2795 long *sizep
; /* length of read bytes */
2796 long *filesizep
; /* nr of bytes used from file */
2797 int newfile
; /* editing a new buffer */
2799 if (*sizep
>= CRYPT_MAGIC_LEN
2800 && STRNCMP(ptr
, CRYPT_MAGIC
, CRYPT_MAGIC_LEN
) == 0)
2802 if (cryptkey
== NULL
)
2804 if (*curbuf
->b_p_key
)
2805 cryptkey
= curbuf
->b_p_key
;
2808 /* When newfile is TRUE, store the typed key
2809 * in the 'key' option and don't free it. */
2810 cryptkey
= get_crypt_key(newfile
, FALSE
);
2811 /* check if empty key entered */
2812 if (cryptkey
!= NULL
&& *cryptkey
== NUL
)
2814 if (cryptkey
!= curbuf
->b_p_key
)
2821 if (cryptkey
!= NULL
)
2823 crypt_init_keys(cryptkey
);
2825 /* Remove magic number from the text */
2826 *filesizep
+= CRYPT_MAGIC_LEN
;
2827 *sizep
-= CRYPT_MAGIC_LEN
;
2828 mch_memmove(ptr
, ptr
+ CRYPT_MAGIC_LEN
, (size_t)*sizep
);
2831 /* When starting to edit a new file which does not have
2832 * encryption, clear the 'key' option, except when
2833 * starting up (called with -x argument) */
2834 else if (newfile
&& *curbuf
->b_p_key
&& !starting
)
2835 set_option_value((char_u
*)"key", 0L, (char_u
*)"", OPT_LOCAL
);
2843 set_file_time(fname
, atime
, mtime
)
2845 time_t atime
; /* access time */
2846 time_t mtime
; /* modification time */
2848 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
2852 buf
.modtime
= mtime
;
2853 (void)utime((char *)fname
, &buf
);
2855 # if defined(HAVE_UTIMES)
2856 struct timeval tvp
[2];
2858 tvp
[0].tv_sec
= atime
;
2860 tvp
[1].tv_sec
= mtime
;
2863 (void)utimes((char *)fname
, tvp
);
2865 (void)utimes((char *)fname
, (const struct timeval
*)&tvp
);
2872 #if defined(VMS) && !defined(MIN)
2873 /* Older DECC compiler for VAX doesn't define MIN() */
2874 # define MIN(a, b) ((a) < (b) ? (a) : (b))
2878 * Return TRUE if a file appears to be read-only from the file permissions.
2881 check_file_readonly(fname
, perm
)
2882 char_u
*fname
; /* full path to file */
2883 int perm
; /* known permissions on file */
2885 #ifndef USE_MCH_ACCESS
2890 #ifdef USE_MCH_ACCESS
2892 (perm
& 0222) == 0 ||
2894 mch_access((char *)fname
, W_OK
)
2896 (fd
= mch_open((char *)fname
, O_RDWR
| O_EXTRA
, 0)) < 0
2897 ? TRUE
: (close(fd
), FALSE
)
2904 * buf_write() - write to file "fname" lines "start" through "end"
2906 * We do our own buffering here because fwrite() is so slow.
2908 * If "forceit" is true, we don't care for errors when attempting backups.
2909 * In case of an error everything possible is done to restore the original
2910 * file. But when "forceit" is TRUE, we risk losing it.
2912 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and
2913 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
2915 * This function must NOT use NameBuff (because it's called by autowrite()).
2917 * return FAIL for failure, OK otherwise
2920 buf_write(buf
, fname
, sfname
, start
, end
, eap
, append
, forceit
,
2921 reset_changed
, filtering
)
2925 linenr_T start
, end
;
2926 exarg_T
*eap
; /* for forced 'ff' and 'fenc', can be
2928 int append
; /* append to the file */
2934 char_u
*backup
= NULL
;
2935 int backup_copy
= FALSE
; /* copy the original file? */
2938 char_u
*wfname
= NULL
; /* name of file to write to */
2945 char_u
*errmsg
= NULL
;
2946 int errmsg_allocated
= FALSE
;
2947 char_u
*errnum
= NULL
;
2949 char_u smallbuf
[SMBUFSIZE
];
2952 long perm
; /* file permissions */
2954 int newfile
= FALSE
; /* TRUE if file doesn't exist yet */
2955 int msg_save
= msg_scroll
;
2956 int overwriting
; /* TRUE if writing over original */
2957 int no_eol
= FALSE
; /* no end-of-line written */
2958 int device
= FALSE
; /* writing to a device */
2960 int prev_got_int
= got_int
;
2961 int file_readonly
= FALSE
; /* overwritten file is read-only */
2962 static char *err_readonly
= "is read-only (cannot override: \"W\" in 'cpoptions')";
2963 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */
2964 int made_writable
= FALSE
; /* 'w' bit has been set */
2966 /* writing everything */
2967 int whole
= (start
== 1 && end
== buf
->b_ml
.ml_line_count
);
2969 linenr_T old_line_count
= buf
->b_ml
.ml_line_count
;
2974 struct bw_info write_info
; /* info for buf_write_bytes() */
2976 int converted
= FALSE
;
2977 int notconverted
= FALSE
;
2978 char_u
*fenc
; /* effective 'fileencoding' */
2979 char_u
*fenc_tofree
= NULL
; /* allocated "fenc" */
2985 vim_acl_T acl
= NULL
; /* ACL copied from original file to
2986 backup or new file */
2989 if (fname
== NULL
|| *fname
== NUL
) /* safety check */
2991 if (buf
->b_ml
.ml_mfp
== NULL
)
2993 /* This can happen during startup when there is a stray "w" in the
2995 EMSG(_(e_emptybuf
));
3000 * Disallow writing from .exrc and .vimrc in current directory for
3006 /* Avoid a crash for a long name. */
3007 if (STRLEN(fname
) >= MAXPATHL
)
3009 EMSG(_(e_longname
));
3014 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */
3015 write_info
.bw_conv_buf
= NULL
;
3016 write_info
.bw_conv_error
= FALSE
;
3017 write_info
.bw_conv_error_lnum
= 0;
3018 write_info
.bw_restlen
= 0;
3020 write_info
.bw_iconv_fd
= (iconv_t
)-1;
3024 /* After writing a file changedtick changes but we don't want to display
3026 ex_no_reprint
= TRUE
;
3029 * If there is no file name yet, use the one for the written file.
3030 * BF_NOTEDITED is set to reflect this (in case the write fails).
3031 * Don't do this when the write is for a filter command.
3032 * Don't do this when appending.
3033 * Only do this when 'cpoptions' contains the 'F' flag.
3035 if (buf
->b_ffname
== NULL
3039 #ifdef FEAT_QUICKFIX
3043 && (!append
|| vim_strchr(p_cpo
, CPO_FNAMEAPP
) != NULL
)
3044 && vim_strchr(p_cpo
, CPO_FNAMEW
) != NULL
)
3046 if (set_rw_fname(fname
, sfname
) == FAIL
)
3048 buf
= curbuf
; /* just in case autocmds made "buf" invalid */
3054 * For Unix: Use the short file name whenever possible.
3055 * Avoids problems with networks and when directory names are changed.
3056 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
3057 * another directory, which we don't detect
3059 ffname
= fname
; /* remember full fname */
3064 if (buf
->b_ffname
!= NULL
&& fnamecmp(ffname
, buf
->b_ffname
) == 0)
3067 overwriting
= FALSE
;
3070 settmode(TMODE_COOK
); /* when exiting allow typahead now */
3072 ++no_wait_return
; /* don't wait for return yet */
3075 * Set '[ and '] marks to the lines to be written.
3077 buf
->b_op_start
.lnum
= start
;
3078 buf
->b_op_start
.col
= 0;
3079 buf
->b_op_end
.lnum
= end
;
3080 buf
->b_op_end
.col
= 0;
3085 int buf_ffname
= FALSE
;
3086 int buf_sfname
= FALSE
;
3087 int buf_fname_f
= FALSE
;
3088 int buf_fname_s
= FALSE
;
3089 int did_cmd
= FALSE
;
3090 int nofile_err
= FALSE
;
3091 int empty_memline
= (buf
->b_ml
.ml_mfp
== NULL
);
3094 * Apply PRE aucocommands.
3095 * Set curbuf to the buffer to be written.
3096 * Careful: The autocommands may call buf_write() recursively!
3098 if (ffname
== buf
->b_ffname
)
3100 if (sfname
== buf
->b_sfname
)
3102 if (fname
== buf
->b_ffname
)
3104 if (fname
== buf
->b_sfname
)
3107 /* set curwin/curbuf to buf and save a few things */
3108 aucmd_prepbuf(&aco
, buf
);
3112 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEAPPENDCMD
,
3113 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3115 #ifdef FEAT_QUICKFIX
3116 if (overwriting
&& bt_nofile(curbuf
))
3120 apply_autocmds_exarg(EVENT_FILEAPPENDPRE
,
3121 sfname
, sfname
, FALSE
, curbuf
, eap
);
3126 apply_autocmds_exarg(EVENT_FILTERWRITEPRE
,
3127 NULL
, sfname
, FALSE
, curbuf
, eap
);
3129 else if (reset_changed
&& whole
)
3131 if (!(did_cmd
= apply_autocmds_exarg(EVENT_BUFWRITECMD
,
3132 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3134 #ifdef FEAT_QUICKFIX
3135 if (overwriting
&& bt_nofile(curbuf
))
3139 apply_autocmds_exarg(EVENT_BUFWRITEPRE
,
3140 sfname
, sfname
, FALSE
, curbuf
, eap
);
3145 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEWRITECMD
,
3146 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3148 #ifdef FEAT_QUICKFIX
3149 if (overwriting
&& bt_nofile(curbuf
))
3153 apply_autocmds_exarg(EVENT_FILEWRITEPRE
,
3154 sfname
, sfname
, FALSE
, curbuf
, eap
);
3158 /* restore curwin/curbuf and a few other things */
3159 aucmd_restbuf(&aco
);
3162 * In three situations we return here and don't write the file:
3163 * 1. the autocommands deleted or unloaded the buffer.
3164 * 2. The autocommands abort script processing.
3165 * 3. If one of the "Cmd" autocommands was executed.
3167 if (!buf_valid(buf
))
3169 if (buf
== NULL
|| (buf
->b_ml
.ml_mfp
== NULL
&& !empty_memline
)
3170 || did_cmd
|| nofile_err
3177 msg_scroll
= msg_save
;
3179 EMSG(_("E676: No matching autocommands for acwrite buffer"));
3186 /* An aborting error, interrupt or exception in the
3192 /* The buffer was deleted. We assume it was written
3193 * (can't retry anyway). */
3197 /* Assume the buffer was written, update the timestamp. */
3200 buf
->b_flags
&= ~BF_NEW
;
3202 buf
->b_flags
&= ~BF_WRITE_MASK
;
3204 if (reset_changed
&& buf
->b_changed
&& !append
3205 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
))
3206 /* Buffer still changed, the autocommands didn't work
3214 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written"));
3219 * The autocommands may have changed the number of lines in the file.
3220 * When writing the whole file, adjust the end.
3221 * When writing part of the file, assume that the autocommands only
3222 * changed the number of lines that are to be written (tricky!).
3224 if (buf
->b_ml
.ml_line_count
!= old_line_count
)
3226 if (whole
) /* write all */
3227 end
= buf
->b_ml
.ml_line_count
;
3228 else if (buf
->b_ml
.ml_line_count
> old_line_count
) /* more lines */
3229 end
+= buf
->b_ml
.ml_line_count
- old_line_count
;
3230 else /* less lines */
3232 end
-= old_line_count
- buf
->b_ml
.ml_line_count
;
3236 msg_scroll
= msg_save
;
3237 EMSG(_("E204: Autocommand changed number of lines in unexpected way"));
3244 * The autocommands may have changed the name of the buffer, which may
3245 * be kept in fname, ffname and sfname.
3248 ffname
= buf
->b_ffname
;
3250 sfname
= buf
->b_sfname
;
3252 fname
= buf
->b_ffname
;
3254 fname
= buf
->b_sfname
;
3258 #ifdef FEAT_NETBEANS_INTG
3259 if (usingNetbeans
&& isNetbeansBuffer(buf
))
3264 * b_changed can be 0 after an undo, but we still need to write
3265 * the buffer to NetBeans.
3267 if (buf
->b_changed
|| isNetbeansModified(buf
))
3269 --no_wait_return
; /* may wait for return now */
3270 msg_scroll
= msg_save
;
3271 netbeans_save_buffer(buf
); /* no error checking... */
3276 errnum
= (char_u
*)"E656: ";
3277 errmsg
= (char_u
*)_("NetBeans disallows writes of unmodified buffers");
3284 errnum
= (char_u
*)"E657: ";
3285 errmsg
= (char_u
*)_("Partial writes disallowed for NetBeans buffers");
3292 if (shortmess(SHM_OVER
) && !exiting
)
3293 msg_scroll
= FALSE
; /* overwrite previous file message */
3295 msg_scroll
= TRUE
; /* don't overwrite previous file message */
3303 (char_u
*)"", 0); /* show that we are busy */
3304 msg_scroll
= FALSE
; /* always overwrite the file message now */
3306 buffer
= alloc(BUFSIZE
);
3307 if (buffer
== NULL
) /* can't allocate big buffer, use small
3308 * one (to be able to write when out of
3312 bufsize
= SMBUFSIZE
;
3318 * Get information about original file (if there is one).
3320 #if defined(UNIX) && !defined(ARCHIE)
3324 if (mch_stat((char *)fname
, &st_old
) < 0)
3328 perm
= st_old
.st_mode
;
3329 if (!S_ISREG(st_old
.st_mode
)) /* not a file */
3331 if (S_ISDIR(st_old
.st_mode
))
3333 errnum
= (char_u
*)"E502: ";
3334 errmsg
= (char_u
*)_("is a directory");
3337 if (mch_nodetype(fname
) != NODE_WRITABLE
)
3339 errnum
= (char_u
*)"E503: ";
3340 errmsg
= (char_u
*)_("is not a file or writable device");
3343 /* It's a device of some kind (or a fifo) which we can write to
3344 * but for which we can't make a backup. */
3352 * Check for a writable device name.
3354 c
= mch_nodetype(fname
);
3355 if (c
== NODE_OTHER
)
3357 errnum
= (char_u
*)"E503: ";
3358 errmsg
= (char_u
*)_("is not a file or writable device");
3361 if (c
== NODE_WRITABLE
)
3363 # if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3364 /* MS-Windows allows opening a device, but we will probably get stuck
3365 * trying to write to it. */
3368 errnum
= (char_u
*)"E796: ";
3369 errmsg
= (char_u
*)_("writing to device disabled with 'opendevice' option");
3379 perm
= mch_getperm(fname
);
3382 else if (mch_isdir(fname
))
3384 errnum
= (char_u
*)"E502: ";
3385 errmsg
= (char_u
*)_("is a directory");
3389 (void)mch_stat((char *)fname
, &st_old
);
3393 if (!device
&& !newfile
)
3396 * Check if the file is really writable (when renaming the file to
3397 * make a backup we won't discover it later).
3399 file_readonly
= check_file_readonly(fname
, (int)perm
);
3401 if (!forceit
&& file_readonly
)
3403 if (vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3405 errnum
= (char_u
*)"E504: ";
3406 errmsg
= (char_u
*)_(err_readonly
);
3410 errnum
= (char_u
*)"E505: ";
3411 errmsg
= (char_u
*)_("is read-only (add ! to override)");
3417 * Check if the timestamp hasn't changed since reading the file.
3421 retval
= check_mtime(buf
, &st_old
);
3429 * For systems that support ACL: get the ACL from the original file.
3432 acl
= mch_get_acl(fname
);
3436 * If 'backupskip' is not empty, don't make a backup for some files.
3438 dobackup
= (p_wb
|| p_bk
|| *p_pm
!= NUL
);
3440 if (dobackup
&& *p_bsk
!= NUL
&& match_file_list(p_bsk
, sfname
, ffname
))
3445 * Save the value of got_int and reset it. We don't want a previous
3446 * interruption cancel writing, only hitting CTRL-C while writing should
3449 prev_got_int
= got_int
;
3452 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */
3453 buf
->b_saving
= TRUE
;
3456 * If we are not appending or filtering, the file exists, and the
3457 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
3458 * When 'patchmode' is set also make a backup when appending.
3460 * Do not make any backup, if 'writebackup' and 'backup' are both switched
3461 * off. This helps when editing large files on almost-full disks.
3463 if (!(append
&& *p_pm
== NUL
) && !filtering
&& perm
>= 0 && dobackup
)
3465 #if defined(UNIX) || defined(WIN32)
3469 if ((bkc_flags
& BKC_YES
) || append
) /* "yes" */
3471 #if defined(UNIX) || defined(WIN32)
3472 else if ((bkc_flags
& BKC_AUTO
)) /* "auto" */
3478 * Don't rename the file when:
3479 * - it's a hard link
3480 * - it's a symbolic link
3481 * - we don't have write permission in the directory
3482 * - we can't set the owner/group of the new file
3484 if (st_old
.st_nlink
> 1
3485 || mch_lstat((char *)fname
, &st
) < 0
3486 || st
.st_dev
!= st_old
.st_dev
3487 || st
.st_ino
!= st_old
.st_ino
3488 # ifndef HAVE_FCHOWN
3489 || st
.st_uid
!= st_old
.st_uid
3490 || st
.st_gid
!= st_old
.st_gid
3497 /* On NTFS file systems hard links are possible. */
3498 if (mch_is_linked(fname
))
3505 * Check if we can create a file and set the owner/group to
3506 * the ones from the original file.
3507 * First find a file name that doesn't exist yet (use some
3508 * arbitrary numbers).
3510 STRCPY(IObuff
, fname
);
3511 for (i
= 4913; ; i
+= 123)
3513 sprintf((char *)gettail(IObuff
), "%d", i
);
3514 if (mch_lstat((char *)IObuff
, &st
) < 0)
3517 fd
= mch_open((char *)IObuff
,
3518 O_CREAT
|O_WRONLY
|O_EXCL
|O_NOFOLLOW
, perm
);
3519 if (fd
< 0) /* can't write in directory */
3525 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
3527 if (mch_stat((char *)IObuff
, &st
) < 0
3528 || st
.st_uid
!= st_old
.st_uid
3529 || st
.st_gid
!= st_old
.st_gid
3530 || (long)st
.st_mode
!= perm
)
3533 /* Close the file before removing it, on MS-Windows we
3534 * can't delete an open file. */
3543 * Break symlinks and/or hardlinks if we've been asked to.
3545 if ((bkc_flags
& BKC_BREAKSYMLINK
) || (bkc_flags
& BKC_BREAKHARDLINK
))
3549 lstat_res
= mch_lstat((char *)fname
, &st
);
3552 if ((bkc_flags
& BKC_BREAKSYMLINK
)
3554 && st
.st_ino
!= st_old
.st_ino
)
3555 backup_copy
= FALSE
;
3558 if ((bkc_flags
& BKC_BREAKHARDLINK
)
3559 && st_old
.st_nlink
> 1
3560 && (lstat_res
!= 0 || st
.st_ino
== st_old
.st_ino
))
3561 backup_copy
= FALSE
;
3567 /* make sure we have a valid backup extension to use */
3571 backup_ext
= (char_u
*)"/bak";
3573 backup_ext
= (char_u
*)".bak";
3580 && (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
3583 char_u
*copybuf
, *wp
;
3584 int some_error
= FALSE
;
3588 #if defined(UNIX) && !defined(SHORT_FNAME)
3589 int did_set_shortname
;
3592 copybuf
= alloc(BUFSIZE
+ 1);
3593 if (copybuf
== NULL
)
3595 some_error
= TRUE
; /* out of memory */
3600 * Try to make the backup in each directory in the 'bdir' option.
3602 * Unix semantics has it, that we may have a writable file,
3603 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
3604 * - the directory is not writable,
3605 * - the file may be a symbolic link,
3606 * - the file may belong to another user/group, etc.
3608 * For these reasons, the existing writable file must be truncated
3609 * and reused. Creation of a backup COPY will be attempted.
3621 * Isolate one directory name, using an entry in 'bdir'.
3623 (void)copy_option_part(&dirp
, copybuf
, BUFSIZE
, ",");
3624 rootname
= get_file_in_dir(fname
, copybuf
);
3625 if (rootname
== NULL
)
3627 some_error
= TRUE
; /* out of memory */
3631 #if defined(UNIX) && !defined(SHORT_FNAME)
3632 did_set_shortname
= FALSE
;
3636 * May try twice if 'shortname' not set.
3641 * Make backup file name.
3643 backup
= buf_modname(
3647 (buf
->b_p_sn
|| buf
->b_shortname
),
3649 rootname
, backup_ext
, FALSE
);
3653 some_error
= TRUE
; /* out of memory */
3658 * Check if backup file already exists.
3660 if (mch_stat((char *)backup
, &st_new
) >= 0)
3664 * Check if backup file is same as original file.
3665 * May happen when modname() gave the same file back.
3666 * E.g. silly link, or file name-length reached.
3667 * If we don't check here, we either ruin the file
3668 * when copying or erase it after writing. jw.
3670 if (st_new
.st_dev
== st_old
.st_dev
3671 && st_new
.st_ino
== st_old
.st_ino
)
3674 backup
= NULL
; /* no backup file to delete */
3675 # ifndef SHORT_FNAME
3677 * may try again with 'shortname' set
3679 if (!(buf
->b_shortname
|| buf
->b_p_sn
))
3681 buf
->b_shortname
= TRUE
;
3682 did_set_shortname
= TRUE
;
3685 /* setting shortname didn't help */
3686 if (did_set_shortname
)
3687 buf
->b_shortname
= FALSE
;
3694 * If we are not going to keep the backup file, don't
3695 * delete an existing one, try to use another name.
3696 * Change one character, just before the extension.
3700 wp
= backup
+ STRLEN(backup
) - 1
3701 - STRLEN(backup_ext
);
3702 if (wp
< backup
) /* empty file name ??? */
3706 && mch_stat((char *)backup
, &st_new
) >= 0)
3708 /* They all exist??? Must be something wrong. */
3721 * Try to create the backup file
3725 /* remove old backup, if present */
3727 /* Open with O_EXCL to avoid the file being created while
3728 * we were sleeping (symlink hacker attack?) */
3729 bfd
= mch_open((char *)backup
,
3730 O_WRONLY
|O_CREAT
|O_EXTRA
|O_EXCL
|O_NOFOLLOW
,
3739 /* set file protection same as original file, but
3741 (void)mch_setperm(backup
, perm
& 0777);
3745 * Try to set the group of the backup same as the
3746 * original file. If this fails, set the protection
3747 * bits for the group same as the protection bits for
3750 if (st_new
.st_gid
!= st_old
.st_gid
3751 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
3752 && fchown(bfd
, (uid_t
)-1, st_old
.st_gid
) != 0
3756 (perm
& 0707) | ((perm
& 07) << 3));
3757 # ifdef HAVE_SELINUX
3758 mch_copy_sec(fname
, backup
);
3765 write_info
.bw_fd
= bfd
;
3766 write_info
.bw_buf
= copybuf
;
3768 write_info
.bw_flags
= FIO_NOCONVERT
;
3770 while ((write_info
.bw_len
= vim_read(fd
, copybuf
,
3773 if (buf_write_bytes(&write_info
) == FAIL
)
3775 errmsg
= (char_u
*)_("E506: Can't write to backup file (add ! to override)");
3781 errmsg
= (char_u
*)_(e_interr
);
3786 if (close(bfd
) < 0 && errmsg
== NULL
)
3787 errmsg
= (char_u
*)_("E507: Close error for backup file (add ! to override)");
3788 if (write_info
.bw_len
< 0)
3789 errmsg
= (char_u
*)_("E508: Can't read file for backup (add ! to override)");
3791 set_file_time(backup
, st_old
.st_atime
, st_old
.st_mtime
);
3794 mch_set_acl(backup
, acl
);
3797 mch_copy_sec(fname
, backup
);
3804 close(fd
); /* ignore errors for closing read file */
3807 if (backup
== NULL
&& errmsg
== NULL
)
3808 errmsg
= (char_u
*)_("E509: Cannot create backup file (add ! to override)");
3809 /* ignore errors when forceit is TRUE */
3810 if ((some_error
|| errmsg
!= NULL
) && !forceit
)
3824 * Make a backup by renaming the original file.
3827 * If 'cpoptions' includes the "W" flag, we don't want to
3828 * overwrite a read-only file. But rename may be possible
3829 * anyway, thus we need an extra check here.
3831 if (file_readonly
&& vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3833 errnum
= (char_u
*)"E504: ";
3834 errmsg
= (char_u
*)_(err_readonly
);
3840 * Form the backup file name - change path/fo.o.h to
3841 * path/fo.o.h.bak Try all directories in 'backupdir', first one
3842 * that works is used.
3848 * Isolate one directory name and make the backup file name.
3850 (void)copy_option_part(&dirp
, IObuff
, IOSIZE
, ",");
3851 rootname
= get_file_in_dir(fname
, IObuff
);
3852 if (rootname
== NULL
)
3856 backup
= buf_modname(
3860 (buf
->b_p_sn
|| buf
->b_shortname
),
3862 rootname
, backup_ext
, FALSE
);
3869 * If we are not going to keep the backup file, don't
3870 * delete an existing one, try to use another name.
3871 * Change one character, just before the extension.
3873 if (!p_bk
&& mch_getperm(backup
) >= 0)
3875 p
= backup
+ STRLEN(backup
) - 1 - STRLEN(backup_ext
);
3876 if (p
< backup
) /* empty file name ??? */
3879 while (*p
> 'a' && mch_getperm(backup
) >= 0)
3881 /* They all exist??? Must be something wrong! */
3892 * Delete any existing backup and move the current version
3893 * to the backup. For safety, we don't remove the backup
3894 * until the write has finished successfully. And if the
3895 * 'backup' option is set, leave it around.
3898 * If the renaming of the original file to the backup file
3901 if (vim_rename(fname
, backup
) == 0)
3904 vim_free(backup
); /* don't do the rename below */
3908 if (backup
== NULL
&& !forceit
)
3910 errmsg
= (char_u
*)_("E510: Can't make backup file (add ! to override)");
3916 #if defined(UNIX) && !defined(ARCHIE)
3917 /* When using ":w!" and the file was read-only: make it writable */
3918 if (forceit
&& perm
>= 0 && !(perm
& 0200) && st_old
.st_uid
== getuid()
3919 && vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
)
3922 (void)mch_setperm(fname
, perm
);
3923 made_writable
= TRUE
;
3927 /* When using ":w!" and writing to the current file, 'readonly' makes no
3928 * sense, reset it, unless 'Z' appears in 'cpoptions'. */
3929 if (forceit
&& overwriting
&& vim_strchr(p_cpo
, CPO_KEEPRO
) == NULL
)
3931 buf
->b_p_ro
= FALSE
;
3933 need_maketitle
= TRUE
; /* set window title later */
3936 status_redraw_all(); /* redraw status lines later */
3940 if (end
> buf
->b_ml
.ml_line_count
)
3941 end
= buf
->b_ml
.ml_line_count
;
3942 if (buf
->b_ml
.ml_flags
& ML_EMPTY
)
3946 * If the original file is being overwritten, there is a small chance that
3947 * we crash in the middle of writing. Therefore the file is preserved now.
3948 * This makes all block numbers positive so that recovery does not need
3949 * the original file.
3950 * Don't do this if there is a backup file and we are exiting.
3952 if (reset_changed
&& !newfile
&& overwriting
3953 && !(exiting
&& backup
!= NULL
))
3955 ml_preserve(buf
, FALSE
);
3958 errmsg
= (char_u
*)_(e_interr
);
3959 goto restore_backup
;
3963 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
3965 * Before risking to lose the original file verify if there's
3966 * a resource fork to preserve, and if cannot be done warn
3967 * the users. This happens when overwriting without backups.
3969 if (backup
== NULL
&& overwriting
&& !append
)
3970 if (mch_has_resource_fork(fname
))
3972 errmsg
= (char_u
*)_("E460: The resource fork would be lost (add ! to override)");
3973 goto restore_backup
;
3978 vms_remove_version(fname
); /* remove version */
3980 /* Default: write the file directly. May write to a temp file for
3981 * multi-byte conversion. */
3985 /* Check for forced 'fileencoding' from "++opt=val" argument. */
3986 if (eap
!= NULL
&& eap
->force_enc
!= 0)
3988 fenc
= eap
->cmd
+ eap
->force_enc
;
3989 fenc
= enc_canonize(fenc
);
3993 fenc
= buf
->b_p_fenc
;
3996 * Check if the file needs to be converted.
3998 converted
= need_conversion(fenc
);
4001 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
4002 * Latin1 to Unicode conversion. This is handled in buf_write_bytes().
4003 * Prepare the flags for it and allocate bw_conv_buf when needed.
4005 if (converted
&& (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0))
4007 wb_flags
= get_fio_flags(fenc
);
4008 if (wb_flags
& (FIO_UCS2
| FIO_UCS4
| FIO_UTF16
| FIO_UTF8
))
4010 /* Need to allocate a buffer to translate into. */
4011 if (wb_flags
& (FIO_UCS2
| FIO_UTF16
| FIO_UTF8
))
4012 write_info
.bw_conv_buflen
= bufsize
* 2;
4014 write_info
.bw_conv_buflen
= bufsize
* 4;
4015 write_info
.bw_conv_buf
4016 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4017 if (write_info
.bw_conv_buf
== NULL
)
4023 if (converted
&& wb_flags
== 0 && (wb_flags
= get_win_fio_flags(fenc
)) != 0)
4025 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */
4026 write_info
.bw_conv_buflen
= bufsize
* 4;
4027 write_info
.bw_conv_buf
4028 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4029 if (write_info
.bw_conv_buf
== NULL
)
4035 if (converted
&& wb_flags
== 0 && (wb_flags
= get_mac_fio_flags(fenc
)) != 0)
4037 write_info
.bw_conv_buflen
= bufsize
* 3;
4038 write_info
.bw_conv_buf
4039 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4040 if (write_info
.bw_conv_buf
== NULL
)
4045 # if defined(FEAT_EVAL) || defined(USE_ICONV)
4046 if (converted
&& wb_flags
== 0)
4050 * Use iconv() conversion when conversion is needed and it's not done
4053 write_info
.bw_iconv_fd
= (iconv_t
)my_iconv_open(fenc
,
4054 enc_utf8
? (char_u
*)"utf-8" : p_enc
);
4055 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
4057 /* We're going to use iconv(), allocate a buffer to convert in. */
4058 write_info
.bw_conv_buflen
= bufsize
* ICONV_MULT
;
4059 write_info
.bw_conv_buf
4060 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4061 if (write_info
.bw_conv_buf
== NULL
)
4063 write_info
.bw_first
= TRUE
;
4072 * When the file needs to be converted with 'charconvert' after
4073 * writing, write to a temp file instead and let the conversion
4074 * overwrite the original file.
4078 wfname
= vim_tempname('w');
4079 if (wfname
== NULL
) /* Can't write without a tempfile! */
4081 errmsg
= (char_u
*)_("E214: Can't find temp file for writing");
4082 goto restore_backup
;
4088 if (converted
&& wb_flags
== 0
4090 && write_info
.bw_iconv_fd
== (iconv_t
)-1
4099 errmsg
= (char_u
*)_("E213: Cannot convert (add ! to write without conversion)");
4100 goto restore_backup
;
4102 notconverted
= TRUE
;
4107 * Open the file "wfname" for writing.
4108 * We may try to open the file twice: If we can't write to the
4109 * file and forceit is TRUE we delete the existing file and try to create
4110 * a new one. If this still fails we may have lost the original file!
4111 * (this may happen when the user reached his quotum for number of files).
4112 * Appending will fail if the file does not exist and forceit is FALSE.
4114 while ((fd
= mch_open((char *)wfname
, O_WRONLY
| O_EXTRA
| (append
4115 ? (forceit
? (O_APPEND
| O_CREAT
) : O_APPEND
)
4116 : (O_CREAT
| O_TRUNC
))
4117 , perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4120 * A forced write will try to create a new file if the old one is
4121 * still readonly. This may also happen when the directory is
4122 * read-only. In that case the mch_remove() will fail.
4129 /* Don't delete the file when it's a hard or symbolic link. */
4130 if ((!newfile
&& st_old
.st_nlink
> 1)
4131 || (mch_lstat((char *)fname
, &st
) == 0
4132 && (st
.st_dev
!= st_old
.st_dev
4133 || st
.st_ino
!= st_old
.st_ino
)))
4134 errmsg
= (char_u
*)_("E166: Can't open linked file for writing");
4138 errmsg
= (char_u
*)_("E212: Can't open file for writing");
4139 if (forceit
&& vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
4143 /* we write to the file, thus it should be marked
4144 writable after all */
4146 made_writable
= TRUE
;
4148 if (st_old
.st_uid
!= getuid() || st_old
.st_gid
!= getgid())
4151 if (!append
) /* don't remove when appending */
4163 * If we failed to open the file, we don't need a backup. Throw it
4164 * away. If we moved or removed the original file try to put the
4165 * backup in its place.
4167 if (backup
!= NULL
&& wfname
== fname
)
4172 * There is a small chance that we removed the original,
4173 * try to move the copy in its place.
4174 * This may not work if the vim_rename() fails.
4175 * In that case we leave the copy around.
4177 /* If file does not exist, put the copy in its place */
4178 if (mch_stat((char *)fname
, &st
) < 0)
4179 vim_rename(backup
, fname
);
4180 /* if original file does exist throw away the copy */
4181 if (mch_stat((char *)fname
, &st
) >= 0)
4186 /* try to put the original file back */
4187 vim_rename(backup
, fname
);
4191 /* if original file no longer exists give an extra warning */
4192 if (!newfile
&& mch_stat((char *)fname
, &st
) < 0)
4197 if (wfname
!= fname
)
4204 #if defined(MACOS_CLASSIC) || defined(WIN3264)
4205 /* TODO: Is it need for MACOS_X? (Dany) */
4207 * On macintosh copy the original files attributes (i.e. the backup)
4208 * This is done in order to preserve the resource fork and the
4209 * Finder attribute (label, comments, custom icons, file creator)
4211 if (backup
!= NULL
&& overwriting
&& !append
)
4214 (void)mch_copy_file_attribute(wfname
, backup
);
4216 (void)mch_copy_file_attribute(backup
, wfname
);
4219 if (!overwriting
&& !append
)
4221 if (buf
->b_ffname
!= NULL
)
4222 (void)mch_copy_file_attribute(buf
->b_ffname
, wfname
);
4223 /* Should copy resource fork */
4227 write_info
.bw_fd
= fd
;
4230 if (*buf
->b_p_key
&& !filtering
)
4232 crypt_init_keys(buf
->b_p_key
);
4233 /* Write magic number, so that Vim knows that this file is encrypted
4234 * when reading it again. This also undergoes utf-8 to ucs-2/4
4235 * conversion when needed. */
4236 write_info
.bw_buf
= (char_u
*)CRYPT_MAGIC
;
4237 write_info
.bw_len
= CRYPT_MAGIC_LEN
;
4238 write_info
.bw_flags
= FIO_NOCONVERT
;
4239 if (buf_write_bytes(&write_info
) == FAIL
)
4241 wb_flags
|= FIO_ENCRYPTED
;
4245 write_info
.bw_buf
= buffer
;
4248 /* use "++bin", "++nobin" or 'binary' */
4249 if (eap
!= NULL
&& eap
->force_bin
!= 0)
4250 write_bin
= (eap
->force_bin
== FORCE_BIN
);
4252 write_bin
= buf
->b_p_bin
;
4256 * The BOM is written just after the encryption magic number.
4257 * Skip it when appending and the file already existed, the BOM only makes
4258 * sense at the start of the file.
4260 if (buf
->b_p_bomb
&& !write_bin
&& (!append
|| perm
< 0))
4262 write_info
.bw_len
= make_bom(buffer
, fenc
);
4263 if (write_info
.bw_len
> 0)
4265 /* don't convert, do encryption */
4266 write_info
.bw_flags
= FIO_NOCONVERT
| wb_flags
;
4267 if (buf_write_bytes(&write_info
) == FAIL
)
4270 nchars
+= write_info
.bw_len
;
4273 write_info
.bw_start_lnum
= start
;
4276 write_info
.bw_len
= bufsize
;
4278 write_info
.bw_flags
= wb_flags
;
4280 fileformat
= get_fileformat_force(buf
, eap
);
4283 for (lnum
= start
; lnum
<= end
; ++lnum
)
4286 * The next while loop is done once for each character written.
4289 ptr
= ml_get_buf(buf
, lnum
, FALSE
) - 1;
4290 while ((c
= *++ptr
) != NUL
)
4293 *s
= NUL
; /* replace newlines with NULs */
4294 else if (c
== CAR
&& fileformat
== EOL_MAC
)
4295 *s
= NL
; /* Mac: replace CRs with NLs */
4299 if (++len
!= bufsize
)
4301 if (buf_write_bytes(&write_info
) == FAIL
)
4303 end
= 0; /* write error: break loop */
4310 write_info
.bw_start_lnum
= lnum
;
4313 /* write failed or last line has no EOL: stop here */
4317 && (lnum
== write_no_eol_lnum
4318 || (lnum
== buf
->b_ml
.ml_line_count
&& !buf
->b_p_eol
))))
4320 ++lnum
; /* written the line, count it */
4324 if (fileformat
== EOL_UNIX
)
4328 *s
++ = CAR
; /* EOL_MAC or EOL_DOS: write CR */
4329 if (fileformat
== EOL_DOS
) /* write CR-NL */
4331 if (++len
== bufsize
)
4333 if (buf_write_bytes(&write_info
) == FAIL
)
4335 end
= 0; /* write error: break loop */
4345 if (++len
== bufsize
&& end
)
4347 if (buf_write_bytes(&write_info
) == FAIL
)
4349 end
= 0; /* write error: break loop */
4359 end
= 0; /* Interrupted, break loop */
4365 * On VMS there is a problem: newlines get added when writing blocks
4366 * at a time. Fix it by writing a line at a time.
4367 * This is much slower!
4368 * Explanation: VAX/DECC RTL insists that records in some RMS
4369 * structures end with a newline (carriage return) character, and if
4370 * they don't it adds one.
4371 * With other RMS structures it works perfect without this fix.
4373 if (buf
->b_fab_rfm
== FAB$C_VFC
4374 || ((buf
->b_fab_rat
& (FAB$M_FTN
| FAB$M_CR
)) != 0))
4378 buf
->b_fab_mrs
= (buf
->b_fab_mrs
== 0
4379 ? MIN(4096, bufsize
)
4380 : MIN(buf
->b_fab_mrs
, bufsize
));
4385 write_info
.bw_len
= MIN(b2write
, buf
->b_fab_mrs
);
4386 if (buf_write_bytes(&write_info
) == FAIL
)
4391 b2write
-= MIN(b2write
, buf
->b_fab_mrs
);
4393 write_info
.bw_len
= bufsize
;
4400 if (len
> 0 && end
> 0)
4402 write_info
.bw_len
= len
;
4403 if (buf_write_bytes(&write_info
) == FAIL
)
4404 end
= 0; /* write error */
4408 #if defined(UNIX) && defined(HAVE_FSYNC)
4409 /* On many journalling file systems there is a bug that causes both the
4410 * original and the backup file to be lost when halting the system right
4411 * after writing the file. That's because only the meta-data is
4412 * journalled. Syncing the file slows down the system, but assures it has
4413 * been written to disk and we don't lose it.
4414 * For a device do try the fsync() but don't complain if it does not work
4415 * (could be a pipe).
4416 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */
4417 if (p_fs
&& fsync(fd
) != 0 && !device
)
4419 errmsg
= (char_u
*)_("E667: Fsync failed");
4425 /* Probably need to set the security context. */
4427 mch_copy_sec(backup
, wfname
);
4431 /* When creating a new file, set its owner/group to that of the original
4432 * file. Get the new device and inode number. */
4433 if (backup
!= NULL
&& !backup_copy
)
4438 /* don't change the owner when it's already OK, some systems remove
4439 * permission or ACL stuff */
4440 if (mch_stat((char *)wfname
, &st
) < 0
4441 || st
.st_uid
!= st_old
.st_uid
4442 || st
.st_gid
!= st_old
.st_gid
)
4444 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
4445 if (perm
>= 0) /* set permission again, may have changed */
4446 (void)mch_setperm(wfname
, perm
);
4451 else if (!buf
->b_dev_valid
)
4452 /* Set the inode when creating a new file. */
4458 errmsg
= (char_u
*)_("E512: Close failed");
4464 perm
&= ~0200; /* reset 'w' bit for security reasons */
4466 if (perm
>= 0) /* set perm. of new file same as old file */
4467 (void)mch_setperm(wfname
, perm
);
4469 if (!append
&& !filtering
)
4470 /* Set the filetype after writing the file. */
4471 mch_set_filetype(wfname
, buf
->b_p_oft
);
4474 /* Probably need to set the ACL before changing the user (can't set the
4475 * ACL on a file the user doesn't own). */
4477 mch_set_acl(wfname
, acl
);
4481 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL)
4482 if (wfname
!= fname
)
4485 * The file was written to a temp file, now it needs to be converted
4486 * with 'charconvert' to (overwrite) the output file.
4490 if (eval_charconvert(enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
,
4491 wfname
, fname
) == FAIL
)
4493 write_info
.bw_conv_error
= TRUE
;
4507 if (write_info
.bw_conv_error
)
4509 if (write_info
.bw_conv_error_lnum
== 0)
4510 errmsg
= (char_u
*)_("E513: write error, conversion failed (make 'fenc' empty to override)");
4513 errmsg_allocated
= TRUE
;
4514 errmsg
= alloc(300);
4515 vim_snprintf((char *)errmsg
, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"),
4516 (long)write_info
.bw_conv_error_lnum
);
4522 errmsg
= (char_u
*)_(e_interr
);
4524 errmsg
= (char_u
*)_("E514: write error (file system full?)");
4528 * If we have a backup file, try to put it in place of the new file,
4529 * because the new file is probably corrupt. This avoids losing the
4530 * original file when trying to make a backup when writing the file a
4532 * When "backup_copy" is set we need to copy the backup over the new
4533 * file. Otherwise rename the backup file.
4534 * If this is OK, don't give the extra warning message.
4540 /* This may take a while, if we were interrupted let the user
4541 * know we got the message. */
4547 if ((fd
= mch_open((char *)backup
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
4549 if ((write_info
.bw_fd
= mch_open((char *)fname
,
4550 O_WRONLY
| O_CREAT
| O_TRUNC
| O_EXTRA
,
4553 /* copy the file. */
4554 write_info
.bw_buf
= smallbuf
;
4556 write_info
.bw_flags
= FIO_NOCONVERT
;
4558 while ((write_info
.bw_len
= vim_read(fd
, smallbuf
,
4560 if (buf_write_bytes(&write_info
) == FAIL
)
4563 if (close(write_info
.bw_fd
) >= 0
4564 && write_info
.bw_len
== 0)
4565 end
= 1; /* success */
4567 close(fd
); /* ignore errors for closing read file */
4572 if (vim_rename(backup
, fname
) == 0)
4579 lnum
-= start
; /* compute number of written lines */
4580 --no_wait_return
; /* may wait for return now */
4582 #if !(defined(UNIX) || defined(VMS))
4583 fname
= sfname
; /* use shortname now, for the messages */
4587 msg_add_fname(buf
, fname
); /* put fname in IObuff with quotes */
4590 if (write_info
.bw_conv_error
)
4592 STRCAT(IObuff
, _(" CONVERSION ERROR"));
4594 if (write_info
.bw_conv_error_lnum
!= 0)
4596 size_t l
= STRLEN(IObuff
);
4597 vim_snprintf((char *)IObuff
+ l
, IOSIZE
- l
, _(" in line %ld;"),
4598 (long)write_info
.bw_conv_error_lnum
);
4601 else if (notconverted
)
4603 STRCAT(IObuff
, _("[NOT converted]"));
4608 STRCAT(IObuff
, _("[converted]"));
4614 STRCAT(IObuff
, _("[Device]"));
4619 STRCAT(IObuff
, shortmess(SHM_NEW
) ? _("[New]") : _("[New File]"));
4627 /* may add [unix/dos/mac] */
4628 if (msg_add_fileformat(fileformat
))
4631 if (wb_flags
& FIO_ENCRYPTED
)
4633 STRCAT(IObuff
, _("[crypted]"));
4637 msg_add_lines(c
, (long)lnum
, nchars
); /* add line/char count */
4638 if (!shortmess(SHM_WRITE
))
4641 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [a]") : _(" appended"));
4643 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [w]") : _(" written"));
4646 set_keep_msg(msg_trunc_attr(IObuff
, FALSE
, 0), 0);
4649 /* When written everything correctly: reset 'modified'. Unless not
4650 * writing to the original file and '+' is not in 'cpoptions'. */
4651 if (reset_changed
&& whole
&& !append
4653 && !write_info
.bw_conv_error
4655 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
)
4658 unchanged(buf
, TRUE
);
4663 * If written to the current file, update the timestamp of the swap file
4664 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
4670 buf
->b_flags
&= ~BF_NEW
;
4672 buf
->b_flags
&= ~BF_WRITE_MASK
;
4676 * If we kept a backup until now, and we are in patch mode, then we make
4677 * the backup file our 'original' file.
4679 if (*p_pm
&& dobackup
)
4681 char *org
= (char *)buf_modname(
4685 (buf
->b_p_sn
|| buf
->b_shortname
),
4687 fname
, p_pm
, FALSE
);
4694 * If the original file does not exist yet
4695 * the current backup file becomes the original file
4698 EMSG(_("E205: Patchmode: can't save original file"));
4699 else if (mch_stat(org
, &st
) < 0)
4701 vim_rename(backup
, (char_u
*)org
);
4702 vim_free(backup
); /* don't delete the file */
4705 set_file_time((char_u
*)org
, st_old
.st_atime
, st_old
.st_mtime
);
4710 * If there is no backup file, remember that a (new) file was
4718 || (empty_fd
= mch_open(org
,
4719 O_CREAT
| O_EXTRA
| O_EXCL
| O_NOFOLLOW
,
4720 perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4721 EMSG(_("E206: patchmode: can't touch empty original file"));
4727 mch_setperm((char_u
*)org
, mch_getperm(fname
) & 0777);
4733 * Remove the backup unless 'backup' option is set
4735 if (!p_bk
&& backup
!= NULL
&& mch_remove(backup
) != 0)
4736 EMSG(_("E207: Can't delete backup file"));
4738 #ifdef FEAT_SUN_WORKSHOP
4739 if (usingSunWorkShop
)
4740 workshop_file_saved((char *) ffname
);
4746 * Finish up. We get here either after failure or success.
4749 --no_wait_return
; /* may wait for return now */
4752 /* Done saving, we accept changed buffer warnings again */
4753 buf
->b_saving
= FALSE
;
4756 if (buffer
!= smallbuf
)
4759 vim_free(fenc_tofree
);
4760 vim_free(write_info
.bw_conv_buf
);
4762 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
4764 iconv_close(write_info
.bw_iconv_fd
);
4765 write_info
.bw_iconv_fd
= (iconv_t
)-1;
4775 int numlen
= errnum
!= NULL
? (int)STRLEN(errnum
) : 0;
4777 attr
= hl_attr(HLF_E
); /* set highlight for error messages */
4784 ); /* put file name in IObuff with quotes */
4785 if (STRLEN(IObuff
) + STRLEN(errmsg
) + numlen
>= IOSIZE
)
4786 IObuff
[IOSIZE
- STRLEN(errmsg
) - numlen
- 1] = NUL
;
4787 /* If the error message has the form "is ...", put the error number in
4788 * front of the file name. */
4791 STRMOVE(IObuff
+ numlen
, IObuff
);
4792 mch_memmove(IObuff
, errnum
, (size_t)numlen
);
4794 STRCAT(IObuff
, errmsg
);
4796 if (errmsg_allocated
)
4802 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
4804 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"),
4807 /* Update the timestamp to avoid an "overwrite changed file"
4808 * prompt when writing again. */
4809 if (mch_stat((char *)fname
, &st_old
) >= 0)
4811 buf_store_time(buf
, &st_old
, fname
);
4812 buf
->b_mtime_read
= buf
->b_mtime
;
4816 msg_scroll
= msg_save
;
4820 if (!should_abort(retval
))
4827 write_no_eol_lnum
= 0; /* in case it was set by the previous read */
4830 * Apply POST autocommands.
4831 * Careful: The autocommands may call buf_write() recursively!
4833 aucmd_prepbuf(&aco
, buf
);
4836 apply_autocmds_exarg(EVENT_FILEAPPENDPOST
, fname
, fname
,
4837 FALSE
, curbuf
, eap
);
4839 apply_autocmds_exarg(EVENT_FILTERWRITEPOST
, NULL
, fname
,
4840 FALSE
, curbuf
, eap
);
4841 else if (reset_changed
&& whole
)
4842 apply_autocmds_exarg(EVENT_BUFWRITEPOST
, fname
, fname
,
4843 FALSE
, curbuf
, eap
);
4845 apply_autocmds_exarg(EVENT_FILEWRITEPOST
, fname
, fname
,
4846 FALSE
, curbuf
, eap
);
4848 /* restore curwin/curbuf and a few other things */
4849 aucmd_restbuf(&aco
);
4852 if (aborting()) /* autocmds may abort script processing */
4858 got_int
|= prev_got_int
;
4860 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
4861 /* Update machine specific information. */
4862 mch_post_buffer_write(buf
);
4868 * Set the name of the current buffer. Use when the buffer doesn't have a
4869 * name and a ":r" or ":w" command with a file name is used.
4872 set_rw_fname(fname
, sfname
)
4877 buf_T
*buf
= curbuf
;
4879 /* It's like the unnamed buffer is deleted.... */
4881 apply_autocmds(EVENT_BUFDELETE
, NULL
, NULL
, FALSE
, curbuf
);
4882 apply_autocmds(EVENT_BUFWIPEOUT
, NULL
, NULL
, FALSE
, curbuf
);
4884 if (aborting()) /* autocmds may abort script processing */
4889 /* We are in another buffer now, don't do the renaming. */
4890 EMSG(_(e_auchangedbuf
));
4895 if (setfname(curbuf
, fname
, sfname
, FALSE
) == OK
)
4896 curbuf
->b_flags
|= BF_NOTEDITED
;
4899 /* ....and a new named one is created */
4900 apply_autocmds(EVENT_BUFNEW
, NULL
, NULL
, FALSE
, curbuf
);
4902 apply_autocmds(EVENT_BUFADD
, NULL
, NULL
, FALSE
, curbuf
);
4904 if (aborting()) /* autocmds may abort script processing */
4908 /* Do filetype detection now if 'filetype' is empty. */
4909 if (*curbuf
->b_p_ft
== NUL
)
4911 if (au_has_group((char_u
*)"filetypedetect"))
4912 (void)do_doautocmd((char_u
*)"filetypedetect BufRead", FALSE
);
4921 * Put file name into IObuff with quotes.
4924 msg_add_fname(buf
, fname
)
4929 fname
= (char_u
*)"-stdin-";
4930 home_replace(buf
, fname
, IObuff
+ 1, IOSIZE
- 4, TRUE
);
4932 STRCAT(IObuff
, "\" ");
4936 * Append message for text mode to IObuff.
4937 * Return TRUE if something appended.
4940 msg_add_fileformat(eol_type
)
4944 if (eol_type
== EOL_DOS
)
4946 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[dos]") : _("[dos format]"));
4951 if (eol_type
== EOL_MAC
)
4953 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[mac]") : _("[mac format]"));
4957 #if defined(USE_CRNL) || defined(USE_CR)
4958 if (eol_type
== EOL_UNIX
)
4960 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[unix]") : _("[unix format]"));
4968 * Append line and character count to IObuff.
4971 msg_add_lines(insert_space
, lnum
, nchars
)
4978 p
= IObuff
+ STRLEN(IObuff
);
4982 if (shortmess(SHM_LINES
))
4983 sprintf((char *)p
, "%ldL, %ldC", lnum
, nchars
);
4987 STRCPY(p
, _("1 line, "));
4989 sprintf((char *)p
, _("%ld lines, "), lnum
);
4992 STRCPY(p
, _("1 character"));
4994 sprintf((char *)p
, _("%ld characters"), nchars
);
4999 * Append message for missing line separator to IObuff.
5004 STRCAT(IObuff
, shortmess(SHM_LAST
) ? _("[noeol]") : _("[Incomplete last line]"));
5008 * Check modification time of file, before writing to it.
5009 * The size isn't checked, because using a tool like "gzip" takes care of
5010 * using the same timestamp but can't set the size.
5013 check_mtime(buf
, st
)
5017 if (buf
->b_mtime_read
!= 0
5018 && time_differs((long)st
->st_mtime
, buf
->b_mtime_read
))
5020 msg_scroll
= TRUE
; /* don't overwrite messages here */
5021 msg_silent
= 0; /* must give this prompt */
5022 /* don't use emsg() here, don't want to flush the buffers */
5023 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"),
5025 if (ask_yesno((char_u
*)_("Do you really want to write to it"),
5028 msg_scroll
= FALSE
; /* always overwrite the file message now */
5034 time_differs(t1
, t2
)
5037 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN)
5038 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
5039 * the seconds. Since the roundoff is done when flushing the inode, the
5040 * time may change unexpectedly by one second!!! */
5041 return (t1
- t2
> 1 || t2
- t1
> 1);
5048 * Call write() to write a number of bytes to the file.
5049 * Also handles encryption and 'encoding' conversion.
5051 * Return FAIL for failure, OK otherwise.
5058 char_u
*buf
= ip
->bw_buf
; /* data to write */
5059 int len
= ip
->bw_len
; /* length of data */
5061 int flags
= ip
->bw_flags
; /* extra flags */
5066 * Skip conversion when writing the crypt magic number or the BOM.
5068 if (!(flags
& FIO_NOCONVERT
))
5074 if (flags
& FIO_UTF8
)
5077 * Convert latin1 in the buffer to UTF-8 in the file.
5079 p
= ip
->bw_conv_buf
; /* translate to buffer */
5080 for (wlen
= 0; wlen
< len
; ++wlen
)
5081 p
+= utf_char2bytes(buf
[wlen
], p
);
5082 buf
= ip
->bw_conv_buf
;
5083 len
= (int)(p
- ip
->bw_conv_buf
);
5085 else if (flags
& (FIO_UCS4
| FIO_UTF16
| FIO_UCS2
| FIO_LATIN1
))
5088 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
5089 * Latin1 chars in the file.
5091 if (flags
& FIO_LATIN1
)
5092 p
= buf
; /* translate in-place (can only get shorter) */
5094 p
= ip
->bw_conv_buf
; /* translate to buffer */
5095 for (wlen
= 0; wlen
< len
; wlen
+= n
)
5097 if (wlen
== 0 && ip
->bw_restlen
!= 0)
5101 /* Use remainder of previous call. Append the start of
5102 * buf[] to get a full sequence. Might still be too
5104 l
= CONV_RESTLEN
- ip
->bw_restlen
;
5107 mch_memmove(ip
->bw_rest
+ ip
->bw_restlen
, buf
, (size_t)l
);
5108 n
= utf_ptr2len_len(ip
->bw_rest
, ip
->bw_restlen
+ l
);
5109 if (n
> ip
->bw_restlen
+ len
)
5111 /* We have an incomplete byte sequence at the end to
5112 * be written. We can't convert it without the
5113 * remaining bytes. Keep them for the next call. */
5114 if (ip
->bw_restlen
+ len
> CONV_RESTLEN
)
5116 ip
->bw_restlen
+= len
;
5120 c
= utf_ptr2char(ip
->bw_rest
);
5123 if (n
>= ip
->bw_restlen
)
5125 n
-= ip
->bw_restlen
;
5130 ip
->bw_restlen
-= n
;
5131 mch_memmove(ip
->bw_rest
, ip
->bw_rest
+ n
,
5132 (size_t)ip
->bw_restlen
);
5138 n
= utf_ptr2len_len(buf
+ wlen
, len
- wlen
);
5141 /* We have an incomplete byte sequence at the end to
5142 * be written. We can't convert it without the
5143 * remaining bytes. Keep them for the next call. */
5144 if (len
- wlen
> CONV_RESTLEN
)
5146 ip
->bw_restlen
= len
- wlen
;
5147 mch_memmove(ip
->bw_rest
, buf
+ wlen
,
5148 (size_t)ip
->bw_restlen
);
5152 c
= utf_ptr2char(buf
+ wlen
);
5157 if (ucs2bytes(c
, &p
, flags
) && !ip
->bw_conv_error
)
5159 ip
->bw_conv_error
= TRUE
;
5160 ip
->bw_conv_error_lnum
= ip
->bw_start_lnum
;
5163 ++ip
->bw_start_lnum
;
5165 if (flags
& FIO_LATIN1
)
5166 len
= (int)(p
- buf
);
5169 buf
= ip
->bw_conv_buf
;
5170 len
= (int)(p
- ip
->bw_conv_buf
);
5175 else if (flags
& FIO_CODEPAGE
)
5178 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
5188 if (ip
->bw_restlen
> 0)
5190 /* Need to concatenate the remainder of the previous call and
5191 * the bytes of the current call. Use the end of the
5192 * conversion buffer for this. */
5193 fromlen
= len
+ ip
->bw_restlen
;
5194 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5195 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5196 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5204 to
= ip
->bw_conv_buf
;
5207 /* Convert from UTF-8 to UCS-2, to the start of the buffer.
5208 * The buffer has been allocated to be big enough. */
5211 n
= (int)utf_ptr2len_len(from
, (int)fromlen
);
5212 if (n
> (int)fromlen
) /* incomplete byte sequence */
5214 u8c
= utf_ptr2char(from
);
5215 *to
++ = (u8c
& 0xff);
5221 /* Copy remainder to ip->bw_rest[] to be used for the next
5223 if (fromlen
> CONV_RESTLEN
)
5225 /* weird overlong sequence */
5226 ip
->bw_conv_error
= TRUE
;
5229 mch_memmove(ip
->bw_rest
, from
, fromlen
);
5230 ip
->bw_restlen
= (int)fromlen
;
5234 /* Convert from enc_codepage to UCS-2, to the start of the
5235 * buffer. The buffer has been allocated to be big enough. */
5237 needed
= MultiByteToWideChar(enc_codepage
,
5238 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
,
5242 /* When conversion fails there may be a trailing byte. */
5243 needed
= MultiByteToWideChar(enc_codepage
,
5244 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
- 1,
5248 /* Conversion doesn't work. */
5249 ip
->bw_conv_error
= TRUE
;
5252 /* Save the trailing byte for the next call. */
5253 ip
->bw_rest
[0] = from
[fromlen
- 1];
5256 needed
= MultiByteToWideChar(enc_codepage
, MB_ERR_INVALID_CHARS
,
5257 (LPCSTR
)from
, (int)(fromlen
- ip
->bw_restlen
),
5258 (LPWSTR
)to
, needed
);
5261 /* Safety check: Conversion doesn't work. */
5262 ip
->bw_conv_error
= TRUE
;
5268 fromlen
= to
- ip
->bw_conv_buf
;
5270 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5271 if (FIO_GET_CP(flags
) == CP_UTF8
)
5273 /* Convert from UCS-2 to UTF-8, using the remainder of the
5274 * conversion buffer. Fails when out of space. */
5275 for (from
= ip
->bw_conv_buf
; fromlen
> 1; fromlen
-= 2)
5278 u8c
+= (*from
++ << 8);
5279 to
+= utf_char2bytes(u8c
, to
);
5280 if (to
+ 6 >= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
)
5282 ip
->bw_conv_error
= TRUE
;
5286 len
= (int)(to
- buf
);
5291 /* Convert from UCS-2 to the codepage, using the remainder of
5292 * the conversion buffer. If the conversion uses the default
5293 * character "0", the data doesn't fit in this encoding, so
5295 len
= WideCharToMultiByte(FIO_GET_CP(flags
), 0,
5296 (LPCWSTR
)ip
->bw_conv_buf
, (int)fromlen
/ sizeof(WCHAR
),
5297 (LPSTR
)to
, (int)(ip
->bw_conv_buflen
- fromlen
), 0,
5301 ip
->bw_conv_error
= TRUE
;
5308 # ifdef MACOS_CONVERT
5309 else if (flags
& FIO_MACROMAN
)
5312 * Convert UTF-8 or latin1 to Apple MacRoman.
5317 if (ip
->bw_restlen
> 0)
5319 /* Need to concatenate the remainder of the previous call and
5320 * the bytes of the current call. Use the end of the
5321 * conversion buffer for this. */
5322 fromlen
= len
+ ip
->bw_restlen
;
5323 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5324 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5325 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5333 if (enc2macroman(from
, fromlen
,
5334 ip
->bw_conv_buf
, &len
, ip
->bw_conv_buflen
,
5335 ip
->bw_rest
, &ip
->bw_restlen
) == FAIL
)
5337 ip
->bw_conv_error
= TRUE
;
5340 buf
= ip
->bw_conv_buf
;
5345 if (ip
->bw_iconv_fd
!= (iconv_t
)-1)
5352 /* Convert with iconv(). */
5353 if (ip
->bw_restlen
> 0)
5357 /* Need to concatenate the remainder of the previous call and
5358 * the bytes of the current call. Use the end of the
5359 * conversion buffer for this. */
5360 fromlen
= len
+ ip
->bw_restlen
;
5361 fp
= (char *)ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5362 mch_memmove(fp
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5363 mch_memmove(fp
+ ip
->bw_restlen
, buf
, (size_t)len
);
5365 tolen
= ip
->bw_conv_buflen
- fromlen
;
5369 from
= (const char *)buf
;
5371 tolen
= ip
->bw_conv_buflen
;
5373 to
= (char *)ip
->bw_conv_buf
;
5377 size_t save_len
= tolen
;
5379 /* output the initial shift state sequence */
5380 (void)iconv(ip
->bw_iconv_fd
, NULL
, NULL
, &to
, &tolen
);
5382 /* There is a bug in iconv() on Linux (which appears to be
5383 * wide-spread) which sets "to" to NULL and messes up "tolen".
5387 to
= (char *)ip
->bw_conv_buf
;
5390 ip
->bw_first
= FALSE
;
5394 * If iconv() has an error or there is not enough room, fail.
5396 if ((iconv(ip
->bw_iconv_fd
, (void *)&from
, &fromlen
, &to
, &tolen
)
5397 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
5398 || fromlen
> CONV_RESTLEN
)
5400 ip
->bw_conv_error
= TRUE
;
5404 /* copy remainder to ip->bw_rest[] to be used for the next call. */
5406 mch_memmove(ip
->bw_rest
, (void *)from
, fromlen
);
5407 ip
->bw_restlen
= (int)fromlen
;
5409 buf
= ip
->bw_conv_buf
;
5410 len
= (int)((char_u
*)to
- ip
->bw_conv_buf
);
5414 #endif /* FEAT_MBYTE */
5417 if (flags
& FIO_ENCRYPTED
) /* encrypt the data */
5421 for (i
= 0; i
< len
; i
++)
5424 buf
[i
] = ZENCODE(ztemp
, t
);
5429 /* Repeat the write(), it may be interrupted by a signal. */
5432 wlen
= vim_write(ip
->bw_fd
, buf
, len
);
5433 if (wlen
<= 0) /* error! */
5443 * Convert a Unicode character to bytes.
5444 * Return TRUE for an error, FALSE when it's OK.
5447 ucs2bytes(c
, pp
, flags
)
5448 unsigned c
; /* in: character */
5449 char_u
**pp
; /* in/out: pointer to result */
5450 int flags
; /* FIO_ flags */
5457 if (flags
& FIO_UCS4
)
5459 if (flags
& FIO_ENDIAN_L
)
5474 else if (flags
& (FIO_UCS2
| FIO_UTF16
))
5478 if (flags
& FIO_UTF16
)
5480 /* Make two words, ten bits of the character in each. First
5481 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */
5485 cc
= ((c
>> 10) & 0x3ff) + 0xd800;
5486 if (flags
& FIO_ENDIAN_L
)
5489 *p
++ = ((unsigned)cc
>> 8);
5493 *p
++ = ((unsigned)cc
>> 8);
5496 c
= (c
& 0x3ff) + 0xdc00;
5501 if (flags
& FIO_ENDIAN_L
)
5528 * Return TRUE if file encoding "fenc" requires conversion from or to
5532 need_conversion(fenc
)
5539 if (*fenc
== NUL
|| STRCMP(p_enc
, fenc
) == 0)
5540 same_encoding
= TRUE
;
5543 /* Ignore difference between "ansi" and "latin1", "ucs-4" and
5544 * "ucs-4be", etc. */
5545 enc_flags
= get_fio_flags(p_enc
);
5546 fenc_flags
= get_fio_flags(fenc
);
5547 same_encoding
= (enc_flags
!= 0 && fenc_flags
== enc_flags
);
5551 /* Specified encoding matches with 'encoding'. This requires
5552 * conversion when 'encoding' is Unicode but not UTF-8. */
5553 return enc_unicode
!= 0;
5556 /* Encodings differ. However, conversion is not needed when 'enc' is any
5557 * Unicode encoding and the file is UTF-8. */
5558 return !(enc_utf8
&& fenc_flags
== FIO_UTF8
);
5562 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the
5563 * internal conversion.
5564 * if "ptr" is an empty string, use 'encoding'.
5575 prop
= enc_canon_props(ptr
);
5576 if (prop
& ENC_UNICODE
)
5578 if (prop
& ENC_2BYTE
)
5580 if (prop
& ENC_ENDIAN_L
)
5581 return FIO_UCS2
| FIO_ENDIAN_L
;
5584 if (prop
& ENC_4BYTE
)
5586 if (prop
& ENC_ENDIAN_L
)
5587 return FIO_UCS4
| FIO_ENDIAN_L
;
5590 if (prop
& ENC_2WORD
)
5592 if (prop
& ENC_ENDIAN_L
)
5593 return FIO_UTF16
| FIO_ENDIAN_L
;
5598 if (prop
& ENC_LATIN1
)
5600 /* must be ENC_DBCS, requires iconv() */
5606 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed
5607 * for the conversion MS-Windows can do for us. Also accept "utf-8".
5608 * Used for conversion between 'encoding' and 'fileencoding'.
5611 get_win_fio_flags(ptr
)
5616 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */
5617 if (!enc_utf8
&& enc_codepage
<= 0)
5620 cp
= encname2codepage(ptr
);
5623 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5624 if (STRCMP(ptr
, "utf-8") == 0)
5630 return FIO_PUT_CP(cp
) | FIO_CODEPAGE
;
5636 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags
5637 * needed for the internal conversion to/from utf-8 or latin1.
5640 get_mac_fio_flags(ptr
)
5643 if ((enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
5644 && (enc_canon_props(ptr
) & ENC_MACROMAN
))
5645 return FIO_MACROMAN
;
5651 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size].
5652 * "size" must be at least 2.
5653 * Return the name of the encoding and set "*lenp" to the length.
5654 * Returns NULL when no BOM found.
5657 check_for_bom(p
, size
, lenp
, flags
)
5666 if (p
[0] == 0xef && p
[1] == 0xbb && size
>= 3 && p
[2] == 0xbf
5667 && (flags
== FIO_ALL
|| flags
== FIO_UTF8
|| flags
== 0))
5669 name
= "utf-8"; /* EF BB BF */
5672 else if (p
[0] == 0xff && p
[1] == 0xfe)
5674 if (size
>= 4 && p
[2] == 0 && p
[3] == 0
5675 && (flags
== FIO_ALL
|| flags
== (FIO_UCS4
| FIO_ENDIAN_L
)))
5677 name
= "ucs-4le"; /* FF FE 00 00 */
5680 else if (flags
== (FIO_UCS2
| FIO_ENDIAN_L
))
5681 name
= "ucs-2le"; /* FF FE */
5682 else if (flags
== FIO_ALL
|| flags
== (FIO_UTF16
| FIO_ENDIAN_L
))
5683 /* utf-16le is preferred, it also works for ucs-2le text */
5684 name
= "utf-16le"; /* FF FE */
5686 else if (p
[0] == 0xfe && p
[1] == 0xff
5687 && (flags
== FIO_ALL
|| flags
== FIO_UCS2
|| flags
== FIO_UTF16
))
5689 /* Default to utf-16, it works also for ucs-2 text. */
5690 if (flags
== FIO_UCS2
)
5691 name
= "ucs-2"; /* FE FF */
5693 name
= "utf-16"; /* FE FF */
5695 else if (size
>= 4 && p
[0] == 0 && p
[1] == 0 && p
[2] == 0xfe
5696 && p
[3] == 0xff && (flags
== FIO_ALL
|| flags
== FIO_UCS4
))
5698 name
= "ucs-4"; /* 00 00 FE FF */
5703 return (char_u
*)name
;
5707 * Generate a BOM in "buf[4]" for encoding "name".
5708 * Return the length of the BOM (zero when no BOM).
5718 flags
= get_fio_flags(name
);
5720 /* Can't put a BOM in a non-Unicode file. */
5721 if (flags
== FIO_LATIN1
|| flags
== 0)
5724 if (flags
== FIO_UTF8
) /* UTF-8 */
5732 (void)ucs2bytes(0xfeff, &p
, flags
);
5733 return (int)(p
- buf
);
5737 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \
5738 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO)
5740 * Try to find a shortname by comparing the fullname with the current
5742 * Returns "full_path" or pointer into "full_path" if shortened.
5745 shorten_fname1(full_path
)
5748 char_u dirname
[MAXPATHL
];
5749 char_u
*p
= full_path
;
5751 if (mch_dirname(dirname
, MAXPATHL
) == OK
)
5753 p
= shorten_fname(full_path
, dirname
);
5754 if (p
== NULL
|| *p
== NUL
)
5762 * Try to find a shortname by comparing the fullname with the current
5764 * Returns NULL if not shorter name possible, pointer into "full_path"
5768 shorten_fname(full_path
, dir_name
)
5775 if (full_path
== NULL
)
5777 len
= (int)STRLEN(dir_name
);
5778 if (fnamencmp(dir_name
, full_path
, len
) == 0)
5780 p
= full_path
+ len
;
5781 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5783 * MSDOS: when a file is in the root directory, dir_name will end in a
5784 * slash, since C: by itself does not define a specific dir. In this
5785 * case p may already be correct. <negri>
5787 if (!((len
> 2) && (*(p
- 2) == ':')))
5790 if (vim_ispathsep(*p
))
5792 #ifndef VMS /* the path separator is always part of the path */
5798 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5800 * When using a file in the current drive, remove the drive name:
5801 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on
5802 * a floppy from "A:\dir" to "B:\dir".
5805 && TOUPPER_LOC(full_path
[0]) == TOUPPER_LOC(dir_name
[0])
5806 && full_path
[1] == ':'
5807 && vim_ispathsep(full_path
[2]))
5816 * Shorten filenames for all buffers.
5817 * When "force" is TRUE: Use full path from now on for files currently being
5818 * edited, both for file name and swap file name. Try to shorten the file
5819 * names a bit, if safe to do so.
5820 * When "force" is FALSE: Only try to shorten absolute file names.
5821 * For buffers that have buftype "nofile" or "scratch": never change the file
5825 shorten_fnames(force
)
5828 char_u dirname
[MAXPATHL
];
5832 mch_dirname(dirname
, MAXPATHL
);
5833 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
5835 if (buf
->b_fname
!= NULL
5836 #ifdef FEAT_QUICKFIX
5839 && !path_with_url(buf
->b_fname
)
5841 || buf
->b_sfname
== NULL
5842 || mch_isFullName(buf
->b_sfname
)))
5844 vim_free(buf
->b_sfname
);
5845 buf
->b_sfname
= NULL
;
5846 p
= shorten_fname(buf
->b_ffname
, dirname
);
5849 buf
->b_sfname
= vim_strsave(p
);
5850 buf
->b_fname
= buf
->b_sfname
;
5852 if (p
== NULL
|| buf
->b_fname
== NULL
)
5853 buf
->b_fname
= buf
->b_ffname
;
5856 /* Always make the swap file name a full path, a "nofile" buffer may
5857 * also have a swap file. */
5858 mf_fullname(buf
->b_ml
.ml_mfp
);
5861 status_redraw_all();
5862 redraw_tabline
= TRUE
;
5866 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
5867 || defined(FEAT_GUI_MSWIN) \
5868 || defined(FEAT_GUI_MAC) \
5871 * Shorten all filenames in "fnames[count]" by current directory.
5874 shorten_filenames(fnames
, count
)
5879 char_u dirname
[MAXPATHL
];
5882 if (fnames
== NULL
|| count
< 1)
5884 mch_dirname(dirname
, sizeof(dirname
));
5885 for (i
= 0; i
< count
; ++i
)
5887 if ((p
= shorten_fname(fnames
[i
], dirname
)) != NULL
)
5889 /* shorten_fname() returns pointer in given "fnames[i]". If free
5890 * "fnames[i]" first, "p" becomes invalid. So we need to copy
5891 * "p" first then free fnames[i]. */
5893 vim_free(fnames
[i
]);
5901 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or
5902 * fo_o_h.ext for MSDOS or when shortname option set.
5904 * Assumed that fname is a valid name found in the filesystem we assure that
5905 * the return value is a different name and ends in 'ext'.
5906 * "ext" MUST be at most 4 characters long if it starts with a dot, 3
5907 * characters otherwise.
5908 * Space for the returned name is allocated, must be freed later.
5909 * Returns NULL when out of memory.
5912 modname(fname
, ext
, prepend_dot
)
5913 char_u
*fname
, *ext
;
5914 int prepend_dot
; /* may prepend a '.' to file name */
5920 (curbuf
->b_p_sn
|| curbuf
->b_shortname
),
5922 fname
, ext
, prepend_dot
);
5926 buf_modname(shortname
, fname
, ext
, prepend_dot
)
5927 int shortname
; /* use 8.3 file name */
5928 char_u
*fname
, *ext
;
5929 int prepend_dot
; /* may prepend a '.' to file name */
5935 int fnamelen
, extlen
;
5937 extlen
= (int)STRLEN(ext
);
5940 * If there is no file name we must get the name of the current directory
5941 * (we need the full path in case :cd is used).
5943 if (fname
== NULL
|| *fname
== NUL
)
5945 retval
= alloc((unsigned)(MAXPATHL
+ extlen
+ 3));
5948 if (mch_dirname(retval
, MAXPATHL
) == FAIL
||
5949 (fnamelen
= (int)STRLEN(retval
)) == 0)
5954 if (!after_pathsep(retval
, retval
+ fnamelen
))
5956 retval
[fnamelen
++] = PATHSEP
;
5957 retval
[fnamelen
] = NUL
;
5960 prepend_dot
= FALSE
; /* nothing to prepend a dot to */
5965 fnamelen
= (int)STRLEN(fname
);
5966 retval
= alloc((unsigned)(fnamelen
+ extlen
+ 3));
5969 STRCPY(retval
, fname
);
5971 vms_remove_version(retval
); /* we do not need versions here */
5976 * search backwards until we hit a '/', '\' or ':' replacing all '.'
5977 * by '_' for MSDOS or when shortname option set and ext starts with a dot.
5978 * Then truncate what is after the '/', '\' or ':' to 8 characters for
5979 * MSDOS and 26 characters for AMIGA, a lot more for UNIX.
5981 for (ptr
= retval
+ fnamelen
; ptr
> retval
; mb_ptr_back(retval
, ptr
))
5985 # ifdef USE_LONG_FNAME
5986 && (!USE_LONG_FNAME
|| shortname
)
5988 # ifndef SHORT_FNAME
5993 if (*ptr
== '.') /* replace '.' by '_' */
5996 if (vim_ispathsep(*ptr
))
6003 /* the file name has at most BASENAMELEN characters. */
6005 if (STRLEN(ptr
) > (unsigned)BASENAMELEN
)
6006 ptr
[BASENAMELEN
] = '\0';
6009 s
= ptr
+ STRLEN(ptr
);
6012 * For 8.3 file names we may have to reduce the length.
6014 #ifdef USE_LONG_FNAME
6015 if (!USE_LONG_FNAME
|| shortname
)
6017 # ifndef SHORT_FNAME
6023 * If there is no file name, or the file name ends in '/', and the
6024 * extension starts with '.', put a '_' before the dot, because just
6025 * ".ext" is invalid.
6027 if (fname
== NULL
|| *fname
== NUL
6028 || vim_ispathsep(fname
[STRLEN(fname
) - 1]))
6038 * If the extension starts with '.', truncate the base name at 8
6042 /* We normally use '/', but swap files are '_' */
6043 else if (*ext
== '/' || *ext
== '_')
6045 else if (*ext
== '.')
6048 if ((size_t)(s
- ptr
) > (size_t)8)
6055 * If the extension doesn't start with '.', and the file name
6056 * doesn't have an extension yet, append a '.'
6059 else if ((e
= vim_strchr(ptr
, '/')) == NULL
)
6062 else if ((e
= vim_strchr(ptr
, '.')) == NULL
)
6066 * If the extension doesn't start with '.', and there already is an
6067 * extension, it may need to be truncated
6069 else if ((int)STRLEN(e
) + extlen
> 4)
6072 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264)
6074 * If there is no file name, and the extension starts with '.', put a
6075 * '_' before the dot, because just ".ext" may be invalid if it's on a
6076 * FAT partition, and on HPFS it doesn't matter.
6078 else if ((fname
== NULL
|| *fname
== NUL
) && *ext
== '.')
6083 * Append the extension.
6084 * ext can start with '.' and cannot exceed 3 more characters.
6092 if (prepend_dot
&& !shortname
&& *(e
= gettail(retval
)) !=
6098 #ifdef USE_LONG_FNAME
6113 * Check that, after appending the extension, the file name is really
6116 if (fname
!= NULL
&& STRCMP(fname
, retval
) == 0)
6118 /* we search for a character that can be replaced by '_' */
6127 if (s
< ptr
) /* fname was "________.<ext>", how tricky! */
6134 * Like fgets(), but if the file line is too long, it is truncated and the
6135 * rest of the line is thrown away. Returns TRUE for end-of-file.
6138 vim_fgets(buf
, size
, fp
)
6144 #define FGETS_SIZE 200
6145 char tbuf
[FGETS_SIZE
];
6147 buf
[size
- 2] = NUL
;
6149 eof
= fgets_cr((char *)buf
, size
, fp
);
6151 eof
= fgets((char *)buf
, size
, fp
);
6153 if (buf
[size
- 2] != NUL
&& buf
[size
- 2] != '\n')
6155 buf
[size
- 1] = NUL
; /* Truncate the line */
6157 /* Now throw away the rest of the line: */
6160 tbuf
[FGETS_SIZE
- 2] = NUL
;
6162 ignoredp
= fgets_cr((char *)tbuf
, FGETS_SIZE
, fp
);
6164 ignoredp
= fgets((char *)tbuf
, FGETS_SIZE
, fp
);
6166 } while (tbuf
[FGETS_SIZE
- 2] != NUL
&& tbuf
[FGETS_SIZE
- 2] != '\n');
6168 return (eof
== NULL
);
6171 #if defined(USE_CR) || defined(PROTO)
6173 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF.
6174 * Returns TRUE for end-of-file.
6175 * Only used for the Mac, because it's much slower than vim_fgets().
6178 tag_fgets(buf
, size
, fp
)
6197 /* Always store a NL for end-of-line. */
6201 if (c
!= '\n') /* Macintosh format: single CR. */
6216 * rename() only works if both files are on the same file system, this
6217 * function will (attempts to?) copy the file across if rename fails -- webb
6218 * Return -1 for failure, 0 for success.
6221 vim_rename(from
, to
)
6228 char *errmsg
= NULL
;
6236 vim_acl_T acl
; /* ACL from original file */
6238 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6239 int use_tmp_file
= FALSE
;
6243 * When the names are identical, there is nothing to do. When they refer
6244 * to the same file (ignoring case and slash/backslash differences) but
6245 * the file name differs we need to go through a temp file.
6247 if (fnamecmp(from
, to
) == 0)
6249 #ifdef CASE_INSENSITIVE_FILENAME
6250 if (STRCMP(gettail(from
), gettail(to
)) != 0)
6251 use_tmp_file
= TRUE
;
6258 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
6260 if (mch_stat((char *)from
, &st
) < 0)
6267 /* It's possible for the source and destination to be the same file.
6268 * This happens when "from" and "to" differ in case and are on a FAT32
6269 * filesystem. In that case go through a temp file name. */
6270 if (mch_stat((char *)to
, &st_to
) >= 0
6271 && st
.st_dev
== st_to
.st_dev
6272 && st
.st_ino
== st_to
.st_ino
)
6273 use_tmp_file
= TRUE
;
6277 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6280 char tempname
[MAXPATHL
+ 1];
6283 * Find a name that doesn't exist and is in the same directory.
6284 * Rename "from" to "tempname" and then rename "tempname" to "to".
6286 if (STRLEN(from
) >= MAXPATHL
- 5)
6288 STRCPY(tempname
, from
);
6289 for (n
= 123; n
< 99999; ++n
)
6291 sprintf((char *)gettail((char_u
*)tempname
), "%d", n
);
6292 if (mch_stat(tempname
, &st
) < 0)
6294 if (mch_rename((char *)from
, tempname
) == 0)
6296 if (mch_rename(tempname
, (char *)to
) == 0)
6298 /* Strange, the second step failed. Try moving the
6299 * file back and return failure. */
6300 mch_rename(tempname
, (char *)from
);
6303 /* If it fails for one temp name it will most likely fail
6304 * for any temp name, give up. */
6313 * Delete the "to" file, this is required on some systems to make the
6314 * mch_rename() work, on other systems it makes sure that we don't have
6315 * two files when the mch_rename() fails.
6320 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible
6321 * that the name of the "to" file is the same as the "from" file, even
6322 * though the names are different. To avoid the chance of accidentally
6323 * deleting the "from" file (horror!) we lock it during the remove.
6325 * When used for making a backup before writing the file: This should not
6326 * happen with ":w", because startscript() should detect this problem and
6327 * set buf->b_shortname, causing modname() to return a correct ".bak" file
6328 * name. This problem does exist with ":w filename", but then the
6329 * original file will be somewhere else so the backup isn't really
6330 * important. If autoscripting is off the rename may fail.
6332 flock
= Lock((UBYTE
*)from
, (long)ACCESS_READ
);
6341 * First try a normal rename, return if it works.
6343 if (mch_rename((char *)from
, (char *)to
) == 0)
6347 * Rename() failed, try copying the file.
6349 perm
= mch_getperm(from
);
6351 /* For systems that support ACL: get the ACL from the original file. */
6352 acl
= mch_get_acl(from
);
6354 fd_in
= mch_open((char *)from
, O_RDONLY
|O_EXTRA
, 0);
6363 /* Create the new file with same permissions as the original. */
6364 fd_out
= mch_open((char *)to
,
6365 O_CREAT
|O_EXCL
|O_WRONLY
|O_EXTRA
|O_NOFOLLOW
, (int)perm
);
6375 buffer
= (char *)alloc(BUFSIZE
);
6386 while ((n
= vim_read(fd_in
, buffer
, BUFSIZE
)) > 0)
6387 if (vim_write(fd_out
, buffer
, n
) != n
)
6389 errmsg
= _("E208: Error writing to \"%s\"");
6395 if (close(fd_out
) < 0)
6396 errmsg
= _("E209: Error closing \"%s\"");
6399 errmsg
= _("E210: Error reading \"%s\"");
6402 #ifndef UNIX /* for Unix mch_open() already set the permission */
6403 mch_setperm(to
, perm
);
6406 mch_set_acl(to
, acl
);
6418 static int already_warned
= FALSE
;
6421 * Check if any not hidden buffer has been changed.
6422 * Postpone the check if there are characters in the stuff buffer, a global
6423 * command is being executed, a mapping is being executed or an autocommand is
6425 * Returns TRUE if some message was written (screen should be redrawn and
6426 * cursor positioned).
6429 check_timestamps(focus
)
6430 int focus
; /* called for GUI focus event */
6436 /* Don't check timestamps while system() or another low-level function may
6437 * cause us to lose and gain focus. */
6438 if (no_check_timestamps
> 0)
6441 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus
6442 * event and we would keep on checking if the file is steadily growing.
6443 * Do check again after typing something. */
6444 if (focus
&& did_check_timestamps
)
6446 need_check_timestamps
= TRUE
;
6450 if (!stuff_empty() || global_busy
|| !typebuf_typed()
6452 || autocmd_busy
|| curbuf_lock
> 0 || allbuf_lock
> 0
6455 need_check_timestamps
= TRUE
; /* check later */
6459 did_check_timestamps
= TRUE
;
6460 already_warned
= FALSE
;
6461 for (buf
= firstbuf
; buf
!= NULL
; )
6463 /* Only check buffers in a window. */
6464 if (buf
->b_nwindows
> 0)
6466 n
= buf_check_timestamp(buf
, focus
);
6469 if (n
> 0 && !buf_valid(buf
))
6471 /* Autocommands have removed the buffer, start at the
6472 * first one again. */
6480 need_check_timestamps
= FALSE
;
6481 if (need_wait_return
&& didit
== 2)
6483 /* make sure msg isn't overwritten */
6484 msg_puts((char_u
*)"\n");
6492 * Move all the lines from buffer "frombuf" to buffer "tobuf".
6493 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not
6497 move_lines(frombuf
, tobuf
)
6501 buf_T
*tbuf
= curbuf
;
6506 /* Copy the lines in "frombuf" to "tobuf". */
6508 for (lnum
= 1; lnum
<= frombuf
->b_ml
.ml_line_count
; ++lnum
)
6510 p
= vim_strsave(ml_get_buf(frombuf
, lnum
, FALSE
));
6511 if (p
== NULL
|| ml_append(lnum
- 1, p
, 0, FALSE
) == FAIL
)
6520 /* Delete all the lines in "frombuf". */
6524 for (lnum
= curbuf
->b_ml
.ml_line_count
; lnum
> 0; --lnum
)
6525 if (ml_delete(lnum
, FALSE
) == FAIL
)
6527 /* Oops! We could try putting back the saved lines, but that
6528 * might fail again... */
6539 * Check if buffer "buf" has been changed.
6540 * Also check if the file for a new buffer unexpectedly appeared.
6541 * return 1 if a changed buffer was found.
6542 * return 2 if a message has been displayed.
6543 * return 0 otherwise.
6546 buf_check_timestamp(buf
, focus
)
6548 int focus UNUSED
; /* called for GUI focus event */
6557 int helpmesg
= FALSE
;
6559 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6560 int can_reload
= FALSE
;
6562 size_t orig_size
= buf
->b_orig_size
;
6563 int orig_mode
= buf
->b_orig_mode
;
6565 int save_mouse_correct
= need_mouse_correct
;
6568 static int busy
= FALSE
;
6574 /* If there is no file name, the buffer is not loaded, 'buftype' is
6575 * set, we are in the middle of a save or being called recursively: ignore
6577 if (buf
->b_ffname
== NULL
6578 || buf
->b_ml
.ml_mfp
== NULL
6579 #if defined(FEAT_QUICKFIX)
6580 || *buf
->b_p_bt
!= NUL
6586 #ifdef FEAT_NETBEANS_INTG
6587 || isNetbeansBuffer(buf
)
6592 if ( !(buf
->b_flags
& BF_NOTEDITED
)
6593 && buf
->b_mtime
!= 0
6594 && ((stat_res
= mch_stat((char *)buf
->b_ffname
, &st
)) < 0
6595 || time_differs((long)st
.st_mtime
, buf
->b_mtime
)
6597 || (int)st
.st_mode
!= buf
->b_orig_mode
6599 || mch_getperm(buf
->b_ffname
) != buf
->b_orig_mode
6605 /* set b_mtime to stop further warnings (e.g., when executing
6606 * FileChangedShell autocmd) */
6610 buf
->b_orig_size
= 0;
6611 buf
->b_orig_mode
= 0;
6614 buf_store_time(buf
, &st
, buf
->b_ffname
);
6616 /* Don't do anything for a directory. Might contain the file
6618 if (mch_isdir(buf
->b_fname
))
6622 * If 'autoread' is set, the buffer has no changes and the file still
6623 * exists, reload the buffer. Use the buffer-local option value if it
6624 * was set, the global option value otherwise.
6626 else if ((buf
->b_p_ar
>= 0 ? buf
->b_p_ar
: p_ar
)
6627 && !bufIsChanged(buf
) && stat_res
>= 0)
6633 else if (bufIsChanged(buf
))
6634 reason
= "conflict";
6635 else if (orig_size
!= buf
->b_orig_size
|| buf_contents_changed(buf
))
6637 else if (orig_mode
!= buf
->b_orig_mode
)
6644 * Only give the warning if there are no FileChangedShell
6646 * Avoid being called recursively by setting "busy".
6650 set_vim_var_string(VV_FCS_REASON
, (char_u
*)reason
, -1);
6651 set_vim_var_string(VV_FCS_CHOICE
, (char_u
*)"", -1);
6654 n
= apply_autocmds(EVENT_FILECHANGEDSHELL
,
6655 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6660 if (!buf_valid(buf
))
6661 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));
6663 s
= get_vim_var_str(VV_FCS_CHOICE
);
6664 if (STRCMP(s
, "reload") == 0 && *reason
!= 'd')
6666 else if (STRCMP(s
, "ask") == 0)
6676 mesg
= _("E211: File \"%s\" no longer available");
6680 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6684 * Check if the file contents really changed to avoid
6685 * giving a warning when only the timestamp was set (e.g.,
6686 * checked out of CVS). Always warn when the buffer was
6689 if (reason
[2] == 'n')
6691 mesg
= _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well");
6692 mesg2
= _("See \":help W12\" for more info.");
6694 else if (reason
[1] == 'h')
6696 mesg
= _("W11: Warning: File \"%s\" has changed since editing started");
6697 mesg2
= _("See \":help W11\" for more info.");
6699 else if (*reason
== 'm')
6701 mesg
= _("W16: Warning: Mode of file \"%s\" has changed since editing started");
6702 mesg2
= _("See \":help W16\" for more info.");
6705 /* Only timestamp changed, store it to avoid a warning
6706 * in check_mtime() later. */
6707 buf
->b_mtime_read
= buf
->b_mtime
;
6713 else if ((buf
->b_flags
& BF_NEW
) && !(buf
->b_flags
& BF_NEW_W
)
6714 && vim_fexists(buf
->b_ffname
))
6717 mesg
= _("W13: Warning: File \"%s\" has been created after editing started");
6718 buf
->b_flags
|= BF_NEW_W
;
6719 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6726 path
= home_replace_save(buf
, buf
->b_fname
);
6731 tbuf
= alloc((unsigned)(STRLEN(path
) + STRLEN(mesg
)
6732 + STRLEN(mesg2
) + 2));
6733 sprintf((char *)tbuf
, mesg
, path
);
6735 /* Set warningmsg here, before the unimportant and output-specific
6736 * mesg2 has been appended. */
6737 set_vim_var_string(VV_WARNINGMSG
, tbuf
, -1);
6739 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6745 STRCAT(tbuf
, mesg2
);
6747 if (do_dialog(VIM_WARNING
, (char_u
*)_("Warning"), tbuf
,
6748 (char_u
*)_("&OK\n&Load File"), 1, NULL
) == 2)
6753 if (State
> NORMAL_BUSY
|| (State
& CMDLINE
) || already_warned
)
6758 STRCAT(tbuf
, mesg2
);
6765 # ifdef FEAT_AUTOCMD
6770 msg_puts_attr(tbuf
, hl_attr(HLF_E
) + MSG_HIST
);
6772 msg_puts_attr((char_u
*)mesg2
,
6773 hl_attr(HLF_W
) + MSG_HIST
);
6776 if (emsg_silent
== 0)
6782 /* give the user some time to think about it */
6783 ui_delay(1000L, TRUE
);
6785 /* don't redraw and erase the message */
6786 redraw_cmdline
= FALSE
;
6789 already_warned
= TRUE
;
6798 /* Reload the buffer. */
6799 buf_reload(buf
, orig_mode
);
6802 /* Trigger FileChangedShell when the file was changed in any way. */
6803 if (buf_valid(buf
) && retval
!= 0)
6804 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST
,
6805 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6808 /* restore this in case an autocommand has set it; it would break
6810 need_mouse_correct
= save_mouse_correct
;
6817 * Reload a buffer that is already loaded.
6818 * Used when the file was changed outside of Vim.
6819 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected.
6820 * buf->b_orig_mode may have been reset already.
6823 buf_reload(buf
, orig_mode
)
6829 linenr_T old_topline
;
6830 int old_ro
= buf
->b_p_ro
;
6835 /* set curwin/curbuf for "buf" and save some things */
6836 aucmd_prepbuf(&aco
, buf
);
6838 /* We only want to read the text from the file, not reset the syntax
6839 * highlighting, clear marks, diff status, etc. Force the fileformat
6840 * and encoding to be the same. */
6841 if (prep_exarg(&ea
, buf
) == OK
)
6843 old_cursor
= curwin
->w_cursor
;
6844 old_topline
= curwin
->w_topline
;
6847 * To behave like when a new file is edited (matters for
6848 * BufReadPost autocommands) we first need to delete the current
6849 * buffer contents. But if reading the file fails we should keep
6850 * the old contents. Can't use memory only, the file might be
6851 * too big. Use a hidden buffer to move the buffer contents to.
6857 /* Allocate a buffer without putting it in the buffer list. */
6858 savebuf
= buflist_new(NULL
, NULL
, (linenr_T
)1, BLN_DUMMY
);
6859 if (savebuf
!= NULL
&& buf
== curbuf
)
6861 /* Open the memline. */
6863 curwin
->w_buffer
= savebuf
;
6864 saved
= ml_open(curbuf
);
6866 curwin
->w_buffer
= buf
;
6868 if (savebuf
== NULL
|| saved
== FAIL
|| buf
!= curbuf
6869 || move_lines(buf
, savebuf
) == FAIL
)
6871 EMSG2(_("E462: Could not prepare for reloading \"%s\""),
6879 curbuf
->b_flags
|= BF_CHECK_RO
; /* check for RO again */
6881 keep_filetype
= TRUE
; /* don't detect 'filetype' */
6883 if (readfile(buf
->b_ffname
, buf
->b_fname
, (linenr_T
)0,
6885 (linenr_T
)MAXLNUM
, &ea
, READ_NEW
) == FAIL
)
6887 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
6890 EMSG2(_("E321: Could not reload \"%s\""), buf
->b_fname
);
6891 if (savebuf
!= NULL
&& buf_valid(savebuf
) && buf
== curbuf
)
6893 /* Put the text back from the save buffer. First
6894 * delete any lines that readfile() added. */
6896 if (ml_delete(buf
->b_ml
.ml_line_count
, FALSE
) == FAIL
)
6898 (void)move_lines(savebuf
, buf
);
6901 else if (buf
== curbuf
)
6903 /* Mark the buffer as unmodified and free undo info. */
6904 unchanged(buf
, TRUE
);
6911 if (savebuf
!= NULL
&& buf_valid(savebuf
))
6912 wipe_buffer(savebuf
, FALSE
);
6915 /* Invalidate diff info if necessary. */
6916 diff_invalidate(curbuf
);
6919 /* Restore the topline and cursor position and check it (lines may
6920 * have been removed). */
6921 if (old_topline
> curbuf
->b_ml
.ml_line_count
)
6922 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
6924 curwin
->w_topline
= old_topline
;
6925 curwin
->w_cursor
= old_cursor
;
6929 keep_filetype
= FALSE
;
6936 /* Update folds unless they are defined manually. */
6937 FOR_ALL_TAB_WINDOWS(tp
, wp
)
6938 if (wp
->w_buffer
== curwin
->w_buffer
6939 && !foldmethodIsManual(wp
))
6943 /* If the mode didn't change and 'readonly' was set, keep the old
6944 * value; the user probably used the ":view" command. But don't
6945 * reset it, might have had a read error. */
6946 if (orig_mode
== curbuf
->b_orig_mode
)
6947 curbuf
->b_p_ro
|= old_ro
;
6950 /* restore curwin/curbuf and a few other things */
6951 aucmd_restbuf(&aco
);
6952 /* Careful: autocommands may have made "buf" invalid! */
6956 buf_store_time(buf
, st
, fname
)
6959 char_u
*fname UNUSED
;
6961 buf
->b_mtime
= (long)st
->st_mtime
;
6962 buf
->b_orig_size
= (size_t)st
->st_size
;
6964 buf
->b_orig_mode
= (int)st
->st_mode
;
6966 buf
->b_orig_mode
= mch_getperm(fname
);
6971 * Adjust the line with missing eol, used for the next write.
6972 * Used for do_filter(), when the input lines for the filter are deleted.
6975 write_lnum_adjust(offset
)
6978 if (write_no_eol_lnum
!= 0) /* only if there is a missing eol */
6979 write_no_eol_lnum
+= offset
;
6982 #if defined(TEMPDIRNAMES) || defined(PROTO)
6983 static long temp_count
= 0; /* Temp filename counter. */
6986 * Delete the temp directory and all files it contains.
6995 if (vim_tempdir
!= NULL
)
6997 sprintf((char *)NameBuff
, "%s*", vim_tempdir
);
6998 if (gen_expand_wildcards(1, &NameBuff
, &file_count
, &files
,
6999 EW_DIR
|EW_FILE
|EW_SILENT
) == OK
)
7001 for (i
= 0; i
< file_count
; ++i
)
7002 mch_remove(files
[i
]);
7003 FreeWild(file_count
, files
);
7005 gettail(NameBuff
)[-1] = NUL
;
7006 (void)mch_rmdir(NameBuff
);
7008 vim_free(vim_tempdir
);
7016 * Directory "tempdir" was created. Expand this name to a full path and put
7017 * it in "vim_tempdir". This avoids that using ":cd" would confuse us.
7018 * "tempdir" must be no longer than MAXPATHL.
7021 vim_settempdir(tempdir
)
7026 buf
= alloc((unsigned)MAXPATHL
+ 2);
7029 if (vim_FullName(tempdir
, buf
, MAXPATHL
, FALSE
) == FAIL
)
7030 STRCPY(buf
, tempdir
);
7032 if (vim_strchr(buf
, '/') != NULL
)
7037 vim_tempdir
= vim_strsave(buf
);
7044 * vim_tempname(): Return a unique name that can be used for a temp file.
7046 * The temp file is NOT created.
7048 * The returned pointer is to allocated memory.
7049 * The returned pointer is NULL if no valid name was found.
7052 vim_tempname(extra_char
)
7053 int extra_char UNUSED
; /* char to use in the name instead of '?' */
7056 char_u itmp
[L_tmpnam
]; /* use tmpnam() */
7058 char_u itmp
[TEMPNAMELEN
];
7062 static char *(tempdirs
[]) = {TEMPDIRNAMES
};
7069 * This will create a directory for private use by this instance of Vim.
7070 * This is done once, and the same directory is used for all temp files.
7071 * This method avoids security problems because of symlink attacks et al.
7072 * It's also a bit faster, because we only need to check for an existing
7073 * file when creating the directory and not for each temp file.
7075 if (vim_tempdir
== NULL
)
7078 * Try the entries in TEMPDIRNAMES to create the temp directory.
7080 for (i
= 0; i
< (int)(sizeof(tempdirs
) / sizeof(char *)); ++i
)
7082 # ifndef HAVE_MKDTEMP
7088 /* expand $TMP, leave room for "/v1100000/999999999" */
7089 expand_env((char_u
*)tempdirs
[i
], itmp
, TEMPNAMELEN
- 20);
7090 if (mch_isdir(itmp
)) /* directory exists */
7093 /* If $TMP contains a forward slash (perhaps using bash or
7094 * tcsh), don't add a backslash, use a forward slash!
7095 * Adding 2 backslashes didn't work. */
7096 if (vim_strchr(itmp
, '/') != NULL
)
7102 # ifdef HAVE_MKDTEMP
7103 /* Leave room for filename */
7104 STRCAT(itmp
, "vXXXXXX");
7105 if (mkdtemp((char *)itmp
) != NULL
)
7106 vim_settempdir(itmp
);
7108 /* Get an arbitrary number of up to 6 digits. When it's
7109 * unlikely that it already exists it will be faster,
7110 * otherwise it doesn't matter. The use of mkdir() avoids any
7111 * security problems because of the predictable number. */
7112 nr
= (mch_get_pid() + (long)time(NULL
)) % 1000000L;
7113 itmplen
= STRLEN(itmp
);
7115 /* Try up to 10000 different values until we find a name that
7117 for (off
= 0; off
< 10000L; ++off
)
7120 # if defined(UNIX) || defined(VMS)
7124 sprintf((char *)itmp
+ itmplen
, "v%ld", nr
+ off
);
7126 /* If mkdir() does not set errno to EEXIST, check for
7127 * existing file here. There is a race condition then,
7128 * although it's fail-safe. */
7129 if (mch_stat((char *)itmp
, &st
) >= 0)
7132 # if defined(UNIX) || defined(VMS)
7133 /* Make sure the umask doesn't remove the executable bit.
7134 * "repl" has been reported to use "177". */
7135 umask_save
= umask(077);
7137 r
= vim_mkdir(itmp
, 0700);
7138 # if defined(UNIX) || defined(VMS)
7139 (void)umask(umask_save
);
7143 vim_settempdir(itmp
);
7147 /* If the mkdir() didn't fail because the file/dir exists,
7148 * we probably can't create any dir here, try another
7150 if (errno
!= EEXIST
)
7154 # endif /* HAVE_MKDTEMP */
7155 if (vim_tempdir
!= NULL
)
7161 if (vim_tempdir
!= NULL
)
7163 /* There is no need to check if the file exists, because we own the
7164 * directory and nobody else creates a file in it. */
7165 sprintf((char *)itmp
, "%s%ld", vim_tempdir
, temp_count
++);
7166 return vim_strsave(itmp
);
7171 #else /* TEMPDIRNAMES */
7174 char szTempFile
[_MAX_PATH
+ 1];
7180 if (GetTempPath(_MAX_PATH
, szTempFile
) == 0)
7181 szTempFile
[0] = NUL
; /* GetTempPath() failed, use current dir */
7182 strcpy(buf4
, "VIM");
7183 buf4
[2] = extra_char
; /* make it "VIa", "VIb", etc. */
7184 if (GetTempFileName(szTempFile
, buf4
, 0, itmp
) == 0)
7186 /* GetTempFileName() will create the file, we don't want that */
7187 (void)DeleteFile(itmp
);
7189 /* Backslashes in a temp file name cause problems when filtering with
7190 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who
7191 * didn't set 'shellslash'. */
7192 retval
= vim_strsave(itmp
);
7193 if (*p_shcf
== '-' || p_ssl
)
7194 for (p
= retval
; *p
; ++p
)
7199 # else /* WIN3264 */
7202 /* tmpnam() will make its own name */
7203 if (*tmpnam((char *)itmp
) == NUL
)
7209 /* mktemp() is not working on VMS. It seems to be
7210 * a do-nothing function. Therefore we use tempnam().
7212 sprintf((char *)itmp
, "VIM%c", extra_char
);
7213 p
= (char_u
*)tempnam("tmp:", (char *)itmp
);
7216 /* VMS will use '.LOG' if we don't explicitly specify an extension,
7217 * and VIM will then be unable to find the file later */
7219 STRCAT(itmp
, ".txt");
7225 STRCPY(itmp
, TEMPNAME
);
7226 if ((p
= vim_strchr(itmp
, '?')) != NULL
)
7228 if (mktemp((char *)itmp
) == NULL
)
7233 return vim_strsave(itmp
);
7234 # endif /* WIN3264 */
7235 #endif /* TEMPDIRNAMES */
7238 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7240 * Convert all backslashes in fname to forward slashes in-place.
7243 forward_slash(fname
)
7248 for (p
= fname
; *p
!= NUL
; ++p
)
7250 /* The Big5 encoding can have '\' in the trail byte. */
7251 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
7262 * Code for automatic commands.
7264 * Only included when "FEAT_AUTOCMD" has been defined.
7267 #if defined(FEAT_AUTOCMD) || defined(PROTO)
7270 * The autocommands are stored in a list for each event.
7271 * Autocommands for the same pattern, that are consecutive, are joined
7272 * together, to avoid having to match the pattern too often.
7273 * The result is an array of Autopat lists, which point to AutoCmd lists:
7275 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL
7276 * Autopat.cmds Autopat.cmds
7279 * AutoCmd.next AutoCmd.next
7287 * first_autopat[1] --> Autopat.next --> NULL
7297 * The order of AutoCmds is important, this is the order in which they were
7298 * defined and will have to be executed.
7300 typedef struct AutoCmd
7302 char_u
*cmd
; /* The command to be executed (NULL
7303 when command has been removed) */
7304 char nested
; /* If autocommands nest here */
7305 char last
; /* last command in list */
7307 scid_T scriptID
; /* script ID where defined */
7309 struct AutoCmd
*next
; /* Next AutoCmd in list */
7312 typedef struct AutoPat
7314 int group
; /* group ID */
7315 char_u
*pat
; /* pattern as typed (NULL when pattern
7316 has been removed) */
7317 int patlen
; /* strlen() of pat */
7318 regprog_T
*reg_prog
; /* compiled regprog for pattern */
7319 char allow_dirs
; /* Pattern may match whole path */
7320 char last
; /* last pattern for apply_autocmds() */
7321 AutoCmd
*cmds
; /* list of commands to do */
7322 struct AutoPat
*next
; /* next AutoPat in AutoPat list */
7323 int buflocal_nr
; /* !=0 for buffer-local AutoPat */
7326 static struct event_name
7328 char *name
; /* event name */
7329 event_T event
; /* event number */
7332 {"BufAdd", EVENT_BUFADD
},
7333 {"BufCreate", EVENT_BUFADD
},
7334 {"BufDelete", EVENT_BUFDELETE
},
7335 {"BufEnter", EVENT_BUFENTER
},
7336 {"BufFilePost", EVENT_BUFFILEPOST
},
7337 {"BufFilePre", EVENT_BUFFILEPRE
},
7338 {"BufHidden", EVENT_BUFHIDDEN
},
7339 {"BufLeave", EVENT_BUFLEAVE
},
7340 {"BufNew", EVENT_BUFNEW
},
7341 {"BufNewFile", EVENT_BUFNEWFILE
},
7342 {"BufRead", EVENT_BUFREADPOST
},
7343 {"BufReadCmd", EVENT_BUFREADCMD
},
7344 {"BufReadPost", EVENT_BUFREADPOST
},
7345 {"BufReadPre", EVENT_BUFREADPRE
},
7346 {"BufUnload", EVENT_BUFUNLOAD
},
7347 {"BufWinEnter", EVENT_BUFWINENTER
},
7348 {"BufWinLeave", EVENT_BUFWINLEAVE
},
7349 {"BufWipeout", EVENT_BUFWIPEOUT
},
7350 {"BufWrite", EVENT_BUFWRITEPRE
},
7351 {"BufWritePost", EVENT_BUFWRITEPOST
},
7352 {"BufWritePre", EVENT_BUFWRITEPRE
},
7353 {"BufWriteCmd", EVENT_BUFWRITECMD
},
7354 {"CmdwinEnter", EVENT_CMDWINENTER
},
7355 {"CmdwinLeave", EVENT_CMDWINLEAVE
},
7356 {"ColorScheme", EVENT_COLORSCHEME
},
7357 {"CursorHold", EVENT_CURSORHOLD
},
7358 {"CursorHoldI", EVENT_CURSORHOLDI
},
7359 {"CursorMoved", EVENT_CURSORMOVED
},
7360 {"CursorMovedI", EVENT_CURSORMOVEDI
},
7361 {"EncodingChanged", EVENT_ENCODINGCHANGED
},
7362 {"FileEncoding", EVENT_ENCODINGCHANGED
},
7363 {"FileAppendPost", EVENT_FILEAPPENDPOST
},
7364 {"FileAppendPre", EVENT_FILEAPPENDPRE
},
7365 {"FileAppendCmd", EVENT_FILEAPPENDCMD
},
7366 {"FileChangedShell",EVENT_FILECHANGEDSHELL
},
7367 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST
},
7368 {"FileChangedRO", EVENT_FILECHANGEDRO
},
7369 {"FileReadPost", EVENT_FILEREADPOST
},
7370 {"FileReadPre", EVENT_FILEREADPRE
},
7371 {"FileReadCmd", EVENT_FILEREADCMD
},
7372 {"FileType", EVENT_FILETYPE
},
7373 {"FileWritePost", EVENT_FILEWRITEPOST
},
7374 {"FileWritePre", EVENT_FILEWRITEPRE
},
7375 {"FileWriteCmd", EVENT_FILEWRITECMD
},
7376 {"FilterReadPost", EVENT_FILTERREADPOST
},
7377 {"FilterReadPre", EVENT_FILTERREADPRE
},
7378 {"FilterWritePost", EVENT_FILTERWRITEPOST
},
7379 {"FilterWritePre", EVENT_FILTERWRITEPRE
},
7380 {"FocusGained", EVENT_FOCUSGAINED
},
7381 {"FocusLost", EVENT_FOCUSLOST
},
7382 {"FuncUndefined", EVENT_FUNCUNDEFINED
},
7383 {"GUIEnter", EVENT_GUIENTER
},
7384 {"GUIFailed", EVENT_GUIFAILED
},
7385 {"InsertChange", EVENT_INSERTCHANGE
},
7386 {"InsertEnter", EVENT_INSERTENTER
},
7387 {"InsertLeave", EVENT_INSERTLEAVE
},
7388 {"MenuPopup", EVENT_MENUPOPUP
},
7389 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST
},
7390 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE
},
7391 {"RemoteReply", EVENT_REMOTEREPLY
},
7392 {"SessionLoadPost", EVENT_SESSIONLOADPOST
},
7393 {"ShellCmdPost", EVENT_SHELLCMDPOST
},
7394 {"ShellFilterPost", EVENT_SHELLFILTERPOST
},
7395 {"SourcePre", EVENT_SOURCEPRE
},
7396 {"SourceCmd", EVENT_SOURCECMD
},
7397 {"SpellFileMissing",EVENT_SPELLFILEMISSING
},
7398 {"StdinReadPost", EVENT_STDINREADPOST
},
7399 {"StdinReadPre", EVENT_STDINREADPRE
},
7400 {"SwapExists", EVENT_SWAPEXISTS
},
7401 {"Syntax", EVENT_SYNTAX
},
7402 {"TabEnter", EVENT_TABENTER
},
7403 {"TabLeave", EVENT_TABLEAVE
},
7404 {"TermChanged", EVENT_TERMCHANGED
},
7405 {"TermResponse", EVENT_TERMRESPONSE
},
7406 {"User", EVENT_USER
},
7407 {"VimEnter", EVENT_VIMENTER
},
7408 {"VimLeave", EVENT_VIMLEAVE
},
7409 {"VimLeavePre", EVENT_VIMLEAVEPRE
},
7410 {"WinEnter", EVENT_WINENTER
},
7411 {"WinLeave", EVENT_WINLEAVE
},
7412 {"VimResized", EVENT_VIMRESIZED
},
7416 static AutoPat
*first_autopat
[NUM_EVENTS
] =
7418 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7419 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7420 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7421 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7422 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7423 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
7427 * struct used to keep status while executing autocommands for an event.
7429 typedef struct AutoPatCmd
7431 AutoPat
*curpat
; /* next AutoPat to examine */
7432 AutoCmd
*nextcmd
; /* next AutoCmd to execute */
7433 int group
; /* group being used */
7434 char_u
*fname
; /* fname to match with */
7435 char_u
*sfname
; /* sfname to match with */
7436 char_u
*tail
; /* tail of fname */
7437 event_T event
; /* current event */
7438 int arg_bufnr
; /* initially equal to <abuf>, set to zero when
7440 struct AutoPatCmd
*next
; /* chain of active apc-s for auto-invalidation*/
7443 static AutoPatCmd
*active_apc_list
= NULL
; /* stack of active autocommands */
7446 * augroups stores a list of autocmd group names.
7448 static garray_T augroups
= {0, 0, sizeof(char_u
*), 10, NULL
};
7449 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i])
7452 * The ID of the current group. Group 0 is the default one.
7454 static int current_augroup
= AUGROUP_DEFAULT
;
7456 static int au_need_clean
= FALSE
; /* need to delete marked patterns */
7458 static void show_autocmd
__ARGS((AutoPat
*ap
, event_T event
));
7459 static void au_remove_pat
__ARGS((AutoPat
*ap
));
7460 static void au_remove_cmds
__ARGS((AutoPat
*ap
));
7461 static void au_cleanup
__ARGS((void));
7462 static int au_new_group
__ARGS((char_u
*name
));
7463 static void au_del_group
__ARGS((char_u
*name
));
7464 static event_T event_name2nr
__ARGS((char_u
*start
, char_u
**end
));
7465 static char_u
*event_nr2name
__ARGS((event_T event
));
7466 static char_u
*find_end_event
__ARGS((char_u
*arg
, int have_group
));
7467 static int event_ignored
__ARGS((event_T event
));
7468 static int au_get_grouparg
__ARGS((char_u
**argp
));
7469 static int do_autocmd_event
__ARGS((event_T event
, char_u
*pat
, int nested
, char_u
*cmd
, int forceit
, int group
));
7470 static char_u
*getnextac
__ARGS((int c
, void *cookie
, int indent
));
7471 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
));
7472 static void auto_next_pat
__ARGS((AutoPatCmd
*apc
, int stop_at_last
));
7475 static event_T last_event
;
7476 static int last_group
;
7477 static int autocmd_blocked
= 0; /* block all autocmds */
7480 * Show the autocommands for one AutoPat.
7483 show_autocmd(ap
, event
)
7489 /* Check for "got_int" (here and at various places below), which is set
7490 * when "q" has been hit for the "--more--" prompt */
7493 if (ap
->pat
== NULL
) /* pattern has been removed */
7499 if (event
!= last_event
|| ap
->group
!= last_group
)
7501 if (ap
->group
!= AUGROUP_DEFAULT
)
7503 if (AUGROUP_NAME(ap
->group
) == NULL
)
7504 msg_puts_attr((char_u
*)_("--Deleted--"), hl_attr(HLF_E
));
7506 msg_puts_attr(AUGROUP_NAME(ap
->group
), hl_attr(HLF_T
));
7507 msg_puts((char_u
*)" ");
7509 msg_puts_attr(event_nr2name(event
), hl_attr(HLF_T
));
7511 last_group
= ap
->group
;
7517 msg_outtrans(ap
->pat
);
7519 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7521 if (ac
->cmd
!= NULL
) /* skip removed commands */
7528 msg_outtrans(ac
->cmd
);
7531 last_set_msg(ac
->scriptID
);
7535 if (ac
->next
!= NULL
)
7546 * Mark an autocommand pattern for deletion.
7554 ap
->buflocal_nr
= -1;
7555 au_need_clean
= TRUE
;
7559 * Mark all commands for a pattern for deletion.
7567 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7572 au_need_clean
= TRUE
;
7576 * Cleanup autocommands and patterns that have been deleted.
7577 * This is only done when not executing autocommands.
7582 AutoPat
*ap
, **prev_ap
;
7583 AutoCmd
*ac
, **prev_ac
;
7586 if (autocmd_busy
|| !au_need_clean
)
7589 /* loop over all events */
7590 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7591 event
= (event_T
)((int)event
+ 1))
7593 /* loop over all autocommand patterns */
7594 prev_ap
= &(first_autopat
[(int)event
]);
7595 for (ap
= *prev_ap
; ap
!= NULL
; ap
= *prev_ap
)
7597 /* loop over all commands for this pattern */
7598 prev_ac
= &(ap
->cmds
);
7599 for (ac
= *prev_ac
; ac
!= NULL
; ac
= *prev_ac
)
7601 /* remove the command if the pattern is to be deleted or when
7602 * the command has been marked for deletion */
7603 if (ap
->pat
== NULL
|| ac
->cmd
== NULL
)
7605 *prev_ac
= ac
->next
;
7610 prev_ac
= &(ac
->next
);
7613 /* remove the pattern if it has been marked for deletion */
7614 if (ap
->pat
== NULL
)
7616 *prev_ap
= ap
->next
;
7617 vim_free(ap
->reg_prog
);
7621 prev_ap
= &(ap
->next
);
7625 au_need_clean
= FALSE
;
7629 * Called when buffer is freed, to remove/invalidate related buffer-local
7633 aubuflocal_remove(buf
)
7640 /* invalidate currently executing autocommands */
7641 for (apc
= active_apc_list
; apc
; apc
= apc
->next
)
7642 if (buf
->b_fnum
== apc
->arg_bufnr
)
7645 /* invalidate buflocals looping through events */
7646 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7647 event
= (event_T
)((int)event
+ 1))
7648 /* loop over all autocommand patterns */
7649 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
7650 if (ap
->buflocal_nr
== buf
->b_fnum
)
7657 _("auto-removing autocommand: %s <buffer=%d>"),
7658 event_nr2name(event
), buf
->b_fnum
);
7666 * Add an autocmd group name.
7667 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7675 i
= au_find_group(name
);
7676 if (i
== AUGROUP_ERROR
) /* the group doesn't exist yet, add it */
7678 /* First try using a free entry. */
7679 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7680 if (AUGROUP_NAME(i
) == NULL
)
7682 if (i
== augroups
.ga_len
&& ga_grow(&augroups
, 1) == FAIL
)
7683 return AUGROUP_ERROR
;
7685 AUGROUP_NAME(i
) = vim_strsave(name
);
7686 if (AUGROUP_NAME(i
) == NULL
)
7687 return AUGROUP_ERROR
;
7688 if (i
== augroups
.ga_len
)
7701 i
= au_find_group(name
);
7702 if (i
== AUGROUP_ERROR
) /* the group doesn't exist */
7703 EMSG2(_("E367: No such group: \"%s\""), name
);
7706 vim_free(AUGROUP_NAME(i
));
7707 AUGROUP_NAME(i
) = NULL
;
7712 * Find the ID of an autocmd group name.
7713 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7721 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7722 if (AUGROUP_NAME(i
) != NULL
&& STRCMP(AUGROUP_NAME(i
), name
) == 0)
7724 return AUGROUP_ERROR
;
7728 * Return TRUE if augroup "name" exists.
7734 return au_find_group(name
) != AUGROUP_ERROR
;
7738 * ":augroup {name}".
7741 do_augroup(arg
, del_group
)
7754 else if (STRICMP(arg
, "end") == 0) /* ":aug end": back to group 0 */
7755 current_augroup
= AUGROUP_DEFAULT
;
7756 else if (*arg
) /* ":aug xxx": switch to group xxx */
7758 i
= au_new_group(arg
);
7759 if (i
!= AUGROUP_ERROR
)
7760 current_augroup
= i
;
7762 else /* ":aug": list the group names */
7765 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7767 if (AUGROUP_NAME(i
) != NULL
)
7769 msg_puts(AUGROUP_NAME(i
));
7770 msg_puts((char_u
*)" ");
7778 #if defined(EXITFREE) || defined(PROTO)
7782 for (current_augroup
= -1; current_augroup
< augroups
.ga_len
;
7784 do_autocmd((char_u
*)"", TRUE
);
7785 ga_clear_strings(&augroups
);
7790 * Return the event number for event name "start".
7791 * Return NUM_EVENTS if the event name was not found.
7792 * Return a pointer to the next event name in "end".
7795 event_name2nr(start
, end
)
7803 /* the event name ends with end of line, a blank or a comma */
7804 for (p
= start
; *p
&& !vim_iswhite(*p
) && *p
!= ','; ++p
)
7806 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7808 len
= (int)STRLEN(event_names
[i
].name
);
7809 if (len
== p
- start
&& STRNICMP(event_names
[i
].name
, start
, len
) == 0)
7815 if (event_names
[i
].name
== NULL
)
7817 return event_names
[i
].event
;
7821 * Return the name for event "event".
7824 event_nr2name(event
)
7829 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7830 if (event_names
[i
].event
== event
)
7831 return (char_u
*)event_names
[i
].name
;
7832 return (char_u
*)"Unknown";
7836 * Scan over the events. "*" stands for all events.
7839 find_end_event(arg
, have_group
)
7841 int have_group
; /* TRUE when group name was found */
7848 if (arg
[1] && !vim_iswhite(arg
[1]))
7850 EMSG2(_("E215: Illegal character after *: %s"), arg
);
7857 for (pat
= arg
; *pat
&& !vim_iswhite(*pat
); pat
= p
)
7859 if ((int)event_name2nr(pat
, &p
) >= (int)NUM_EVENTS
)
7862 EMSG2(_("E216: No such event: %s"), pat
);
7864 EMSG2(_("E216: No such group or event: %s"), pat
);
7873 * Return TRUE if "event" is included in 'eventignore'.
7876 event_ignored(event
)
7883 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7885 if (event_name2nr(p
, &p
) == event
)
7893 * Return OK when the contents of p_ei is valid, FAIL otherwise.
7902 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7908 else if (event_name2nr(p
, &p
) == NUM_EVENTS
)
7915 # if defined(FEAT_SYN_HL) || defined(PROTO)
7918 * Add "what" to 'eventignore' to skip loading syntax highlighting for every
7919 * buffer loaded into the window. "what" must start with a comma.
7920 * Returns the old value of 'eventignore' in allocated memory.
7923 au_event_disable(what
)
7929 save_ei
= vim_strsave(p_ei
);
7930 if (save_ei
!= NULL
)
7932 new_ei
= vim_strnsave(p_ei
, (int)(STRLEN(p_ei
) + STRLEN(what
)));
7935 if (*what
== ',' && *p_ei
== NUL
)
7936 STRCPY(new_ei
, what
+ 1);
7938 STRCAT(new_ei
, what
);
7939 set_string_option_direct((char_u
*)"ei", -1, new_ei
,
7940 OPT_FREE
, SID_NONE
);
7948 au_event_restore(old_ei
)
7953 set_string_option_direct((char_u
*)"ei", -1, old_ei
,
7954 OPT_FREE
, SID_NONE
);
7958 # endif /* FEAT_SYN_HL */
7961 * do_autocmd() -- implements the :autocmd command. Can be used in the
7964 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that
7965 * will be automatically executed for <event>
7966 * when editing a file matching <pat>, in
7967 * the current group.
7968 * :autocmd <event> <pat> Show the auto-commands associated with
7969 * <event> and <pat>.
7970 * :autocmd <event> Show the auto-commands associated with
7972 * :autocmd Show all auto-commands.
7973 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with
7974 * <event> and <pat>, and add the command
7975 * <cmd>, for the current group.
7976 * :autocmd! <event> <pat> Remove all auto-commands associated with
7977 * <event> and <pat> for the current group.
7978 * :autocmd! <event> Remove all auto-commands associated with
7979 * <event> for the current group.
7980 * :autocmd! Remove ALL auto-commands for the current
7983 * Multiple events and patterns may be given separated by commas. Here are
7985 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic
7986 * :autocmd bufleave * set tw=79 nosmartindent ic infercase
7988 * :autocmd * *.c show all autocommands for *.c files.
7990 * Mostly a {group} argument can optionally appear before <event>.
7993 do_autocmd(arg
, forceit
)
7998 char_u
*envpat
= NULL
;
8001 int need_free
= FALSE
;
8006 * Check for a legal group name. If not, use AUGROUP_ALL.
8008 group
= au_get_grouparg(&arg
);
8009 if (arg
== NULL
) /* out of memory */
8013 * Scan over the events.
8014 * If we find an illegal name, return here, don't do anything.
8016 pat
= find_end_event(arg
, group
!= AUGROUP_ALL
);
8021 * Scan over the pattern. Put a NUL at the end.
8023 pat
= skipwhite(pat
);
8025 while (*cmd
&& (!vim_iswhite(*cmd
) || cmd
[-1] == '\\'))
8030 /* Expand environment variables in the pattern. Set 'shellslash', we want
8031 * forward slashes here. */
8032 if (vim_strchr(pat
, '$') != NULL
|| vim_strchr(pat
, '~') != NULL
)
8034 #ifdef BACKSLASH_IN_FILENAME
8035 int p_ssl_save
= p_ssl
;
8039 envpat
= expand_env_save(pat
);
8040 #ifdef BACKSLASH_IN_FILENAME
8048 * Check for "nested" flag.
8050 cmd
= skipwhite(cmd
);
8051 if (*cmd
!= NUL
&& STRNCMP(cmd
, "nested", 6) == 0 && vim_iswhite(cmd
[6]))
8054 cmd
= skipwhite(cmd
+ 6);
8058 * Find the start of the commands.
8059 * Expand <sfile> in it.
8063 cmd
= expand_sfile(cmd
);
8064 if (cmd
== NULL
) /* some error */
8070 * Print header when showing autocommands.
8072 if (!forceit
&& *cmd
== NUL
)
8074 /* Highlight title */
8075 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---"));
8079 * Loop over the events.
8081 last_event
= (event_T
)-1; /* for listing the event name */
8082 last_group
= AUGROUP_ERROR
; /* for listing the group name */
8083 if (*arg
== '*' || *arg
== NUL
)
8085 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
8086 event
= (event_T
)((int)event
+ 1))
8087 if (do_autocmd_event(event
, pat
,
8088 nested
, cmd
, forceit
, group
) == FAIL
)
8093 while (*arg
&& !vim_iswhite(*arg
))
8094 if (do_autocmd_event(event_name2nr(arg
, &arg
), pat
,
8095 nested
, cmd
, forceit
, group
) == FAIL
)
8105 * Find the group ID in a ":autocmd" or ":doautocmd" argument.
8106 * The "argp" argument is advanced to the following argument.
8108 * Returns the group ID, AUGROUP_ERROR for error (out of memory).
8111 au_get_grouparg(argp
)
8116 char_u
*arg
= *argp
;
8117 int group
= AUGROUP_ALL
;
8119 p
= skiptowhite(arg
);
8122 group_name
= vim_strnsave(arg
, (int)(p
- arg
));
8123 if (group_name
== NULL
) /* out of memory */
8124 return AUGROUP_ERROR
;
8125 group
= au_find_group(group_name
);
8126 if (group
== AUGROUP_ERROR
)
8127 group
= AUGROUP_ALL
; /* no match, use all groups */
8129 *argp
= skipwhite(p
); /* match, skip over group name */
8130 vim_free(group_name
);
8136 * do_autocmd() for one event.
8137 * If *pat == NUL do for all patterns.
8138 * If *cmd == NUL show entries.
8139 * If forceit == TRUE delete entries.
8140 * If group is not AUGROUP_ALL, only use this group.
8143 do_autocmd_event(event
, pat
, nested
, cmd
, forceit
, group
)
8162 char_u buflocal_pat
[25]; /* for "<buffer=X>" */
8164 if (group
== AUGROUP_ALL
)
8165 findgroup
= current_augroup
;
8168 allgroups
= (group
== AUGROUP_ALL
&& !forceit
&& *cmd
== NUL
);
8171 * Show or delete all patterns for an event.
8175 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
8177 if (forceit
) /* delete the AutoPat, if it's in the current group */
8179 if (ap
->group
== findgroup
)
8182 else if (group
== AUGROUP_ALL
|| ap
->group
== group
)
8183 show_autocmd(ap
, event
);
8188 * Loop through all the specified patterns.
8190 for ( ; *pat
; pat
= (*endpat
== ',' ? endpat
+ 1 : endpat
))
8193 * Find end of the pattern.
8194 * Watch out for a comma in braces, like "*.\{obj,o\}".
8197 for (endpat
= pat
; *endpat
&& (*endpat
!= ',' || brace_level
8198 || endpat
[-1] == '\\'); ++endpat
)
8202 else if (*endpat
== '}')
8205 if (pat
== endpat
) /* ignore single comma */
8207 patlen
= (int)(endpat
- pat
);
8210 * detect special <buflocal[=X]> buffer-local patterns
8212 is_buflocal
= FALSE
;
8215 if (patlen
>= 7 && STRNCMP(pat
, "<buffer", 7) == 0
8216 && pat
[patlen
- 1] == '>')
8218 /* Error will be printed only for addition. printing and removing
8219 * will proceed silently. */
8222 buflocal_nr
= curbuf
->b_fnum
;
8223 else if (patlen
> 9 && pat
[7] == '=')
8226 if (patlen
== 13 && STRNICMP(pat
, "<buffer=abuf>", 13))
8227 buflocal_nr
= autocmd_bufnr
;
8229 else if (skipdigits(pat
+ 8) == pat
+ patlen
- 1)
8230 buflocal_nr
= atoi((char *)pat
+ 8);
8236 /* normalize pat into standard "<buffer>#N" form */
8237 sprintf((char *)buflocal_pat
, "<buffer=%d>", buflocal_nr
);
8238 pat
= buflocal_pat
; /* can modify pat and patlen */
8239 patlen
= (int)STRLEN(buflocal_pat
); /* but not endpat */
8243 * Find AutoPat entries with this pattern.
8245 prev_ap
= &first_autopat
[(int)event
];
8246 while ((ap
= *prev_ap
) != NULL
)
8248 if (ap
->pat
!= NULL
)
8250 /* Accept a pattern when:
8251 * - a group was specified and it's that group, or a group was
8252 * not specified and it's the current group, or a group was
8253 * not specified and we are listing
8254 * - the length of the pattern matches
8255 * - the pattern matches.
8256 * For <buffer[=X]>, this condition works because we normalize
8257 * all buffer-local patterns.
8259 if ((allgroups
|| ap
->group
== findgroup
)
8260 && ap
->patlen
== patlen
8261 && STRNCMP(pat
, ap
->pat
, patlen
) == 0)
8264 * Remove existing autocommands.
8265 * If adding any new autocmd's for this AutoPat, don't
8266 * delete the pattern from the autopat list, append to
8271 if (*cmd
!= NUL
&& ap
->next
== NULL
)
8280 * Show autocmd's for this autopat, or buflocals <buffer=X>
8282 else if (*cmd
== NUL
)
8283 show_autocmd(ap
, event
);
8286 * Add autocmd to this autopat, if it's the last one.
8288 else if (ap
->next
== NULL
)
8292 prev_ap
= &ap
->next
;
8296 * Add a new command.
8301 * If the pattern we want to add a command to does appear at the
8302 * end of the list (or not is not in the list at all), add the
8303 * pattern at the end of the list.
8307 /* refuse to add buffer-local ap if buffer number is invalid */
8308 if (is_buflocal
&& (buflocal_nr
== 0
8309 || buflist_findnr(buflocal_nr
) == NULL
))
8311 EMSGN(_("E680: <buffer=%d>: invalid buffer number "),
8316 ap
= (AutoPat
*)alloc((unsigned)sizeof(AutoPat
));
8319 ap
->pat
= vim_strnsave(pat
, patlen
);
8320 ap
->patlen
= patlen
;
8321 if (ap
->pat
== NULL
)
8329 ap
->buflocal_nr
= buflocal_nr
;
8330 ap
->reg_prog
= NULL
;
8336 ap
->buflocal_nr
= 0;
8337 reg_pat
= file_pat_to_reg_pat(pat
, endpat
,
8338 &ap
->allow_dirs
, TRUE
);
8339 if (reg_pat
!= NULL
)
8340 ap
->reg_prog
= vim_regcomp(reg_pat
, RE_MAGIC
);
8342 if (reg_pat
== NULL
|| ap
->reg_prog
== NULL
)
8352 if (group
== AUGROUP_ALL
)
8353 ap
->group
= current_augroup
;
8359 * Add the autocmd at the end of the AutoCmd list.
8361 prev_ac
= &(ap
->cmds
);
8362 while ((ac
= *prev_ac
) != NULL
)
8363 prev_ac
= &ac
->next
;
8364 ac
= (AutoCmd
*)alloc((unsigned)sizeof(AutoCmd
));
8367 ac
->cmd
= vim_strsave(cmd
);
8369 ac
->scriptID
= current_SID
;
8371 if (ac
->cmd
== NULL
)
8378 ac
->nested
= nested
;
8382 au_cleanup(); /* may really delete removed patterns/commands now */
8387 * Implementation of ":doautocmd [group] event [fname]".
8388 * Return OK for success, FAIL for failure;
8391 do_doautocmd(arg
, do_msg
)
8393 int do_msg
; /* give message for no matching autocmds? */
8396 int nothing_done
= TRUE
;
8400 * Check for a legal group name. If not, use AUGROUP_ALL.
8402 group
= au_get_grouparg(&arg
);
8403 if (arg
== NULL
) /* out of memory */
8408 EMSG(_("E217: Can't execute autocommands for ALL events"));
8413 * Scan over the events.
8414 * If we find an illegal name, return here, don't do anything.
8416 fname
= find_end_event(arg
, group
!= AUGROUP_ALL
);
8420 fname
= skipwhite(fname
);
8423 * Loop over the events.
8425 while (*arg
&& !vim_iswhite(*arg
))
8426 if (apply_autocmds_group(event_name2nr(arg
, &arg
),
8427 fname
, NULL
, TRUE
, group
, curbuf
, NULL
))
8428 nothing_done
= FALSE
;
8430 if (nothing_done
&& do_msg
)
8431 MSG(_("No matching autocommands"));
8434 return aborting() ? FAIL
: OK
;
8441 * ":doautoall": execute autocommands for each loaded buffer.
8452 * This is a bit tricky: For some commands curwin->w_buffer needs to be
8453 * equal to curbuf, but for some buffers there may not be a window.
8454 * So we change the buffer for the current window for a moment. This
8455 * gives problems when the autocommands make changes to the list of
8456 * buffers or windows...
8458 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8460 if (buf
->b_ml
.ml_mfp
!= NULL
)
8462 /* find a window for this buffer and save some values */
8463 aucmd_prepbuf(&aco
, buf
);
8465 /* execute the autocommands for this buffer */
8466 retval
= do_doautocmd(eap
->arg
, FALSE
);
8468 /* Execute the modeline settings, but don't set window-local
8469 * options if we are using the current window for another buffer. */
8470 do_modelines(curwin
== aucmd_win
? OPT_NOWIN
: 0);
8472 /* restore the current window */
8473 aucmd_restbuf(&aco
);
8475 /* stop if there is some error or buffer was deleted */
8476 if (retval
== FAIL
|| !buf_valid(buf
))
8481 check_cursor(); /* just in case lines got deleted */
8485 * Prepare for executing autocommands for (hidden) buffer "buf".
8486 * Search for a visible window containing the current buffer. If there isn't
8487 * one then use "aucmd_win".
8488 * Set "curbuf" and "curwin" to match "buf".
8489 * When FEAT_AUTOCMD is not defined another version is used, see below.
8492 aucmd_prepbuf(aco
, buf
)
8493 aco_save_T
*aco
; /* structure to save values in */
8494 buf_T
*buf
; /* new curbuf */
8501 /* Find a window that is for the new buffer */
8502 if (buf
== curbuf
) /* be quick when buf is curbuf */
8506 for (win
= firstwin
; win
!= NULL
; win
= win
->w_next
)
8507 if (win
->w_buffer
== buf
)
8513 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall
8514 * back to using the current window. */
8515 if (win
== NULL
&& aucmd_win
== NULL
)
8517 win_alloc_aucmd_win();
8518 if (aucmd_win
== NULL
)
8521 if (win
== NULL
&& aucmd_win_used
)
8522 /* Strange recursive autocommand, fall back to using the current
8523 * window. Expect a few side effects... */
8526 aco
->save_curwin
= curwin
;
8527 aco
->save_curbuf
= curbuf
;
8530 /* There is a window for "buf" in the current tab page, make it the
8531 * curwin. This is preferred, it has the least side effects (esp. if
8532 * "buf" is curbuf). */
8533 aco
->use_aucmd_win
= FALSE
;
8538 /* There is no window for "buf", use "aucmd_win". To minimize the side
8539 * effects, insert it in a the current tab page.
8540 * Anything related to a window (e.g., setting folds) may have
8541 * unexpected results. */
8542 aco
->use_aucmd_win
= TRUE
;
8543 aucmd_win_used
= TRUE
;
8544 aucmd_win
->w_buffer
= buf
;
8546 win_init_empty(aucmd_win
); /* set cursor and topline to safe values */
8547 vim_free(aucmd_win
->w_localdir
);
8548 aucmd_win
->w_localdir
= NULL
;
8550 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in
8551 * win_enter_ext(). */
8552 aucmd_win
->w_localdir
= NULL
;
8553 aco
->globaldir
= globaldir
;
8558 /* Split the current window, put the aucmd_win in the upper half.
8559 * We don't want the BufEnter or WinEnter autocommands. */
8561 make_snapshot(SNAP_AUCMD_IDX
);
8564 (void)win_split_ins(0, WSP_TOP
, aucmd_win
, 0);
8565 (void)win_comp_pos(); /* recompute window positions */
8572 aco
->new_curwin
= curwin
;
8573 aco
->new_curbuf
= curbuf
;
8577 * Cleanup after executing autocommands for a (hidden) buffer.
8578 * Restore the window as it was (if possible).
8579 * When FEAT_AUTOCMD is not defined another version is used, see below.
8583 aco_save_T
*aco
; /* structure holding saved values */
8589 if (aco
->use_aucmd_win
)
8591 --curbuf
->b_nwindows
;
8593 /* Find "aucmd_win", it can't be closed, but it may be in another tab
8594 * page. Do not trigger autocommands here. */
8596 if (curwin
!= aucmd_win
)
8601 FOR_ALL_TAB_WINDOWS(tp
, wp
)
8603 if (wp
== aucmd_win
)
8606 goto_tabpage_tp(tp
);
8607 win_goto(aucmd_win
);
8613 /* Remove the window and frame from the tree of frames. */
8614 (void)winframe_remove(curwin
, &dummy
, NULL
);
8615 win_remove(curwin
, NULL
);
8616 aucmd_win_used
= FALSE
;
8617 last_status(FALSE
); /* may need to remove last status line */
8618 restore_snapshot(SNAP_AUCMD_IDX
, FALSE
);
8619 (void)win_comp_pos(); /* recompute window positions */
8622 if (win_valid(aco
->save_curwin
))
8623 curwin
= aco
->save_curwin
;
8625 /* Hmm, original window disappeared. Just use the first one. */
8628 vars_clear(&aucmd_win
->w_vars
.dv_hashtab
); /* free all w: variables */
8629 hash_init(&aucmd_win
->w_vars
.dv_hashtab
); /* re-use the hashtab */
8632 curwin
= aco
->save_curwin
;
8634 curbuf
= curwin
->w_buffer
;
8636 vim_free(globaldir
);
8637 globaldir
= aco
->globaldir
;
8639 /* the buffer contents may have changed */
8641 if (curwin
->w_topline
> curbuf
->b_ml
.ml_line_count
)
8643 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
8645 curwin
->w_topfill
= 0;
8648 #if defined(FEAT_GUI)
8649 /* Hide the scrollbars from the aucmd_win and update. */
8650 gui_mch_enable_scrollbar(&aucmd_win
->w_scrollbars
[SBAR_LEFT
], FALSE
);
8651 gui_mch_enable_scrollbar(&aucmd_win
->w_scrollbars
[SBAR_RIGHT
], FALSE
);
8652 gui_may_update_scrollbars();
8657 /* restore curwin */
8659 if (win_valid(aco
->save_curwin
))
8662 /* Restore the buffer which was previously edited by curwin, if
8663 * it was changed, we are still the same window and the buffer is
8665 if (curwin
== aco
->new_curwin
8666 && curbuf
!= aco
->new_curbuf
8667 && buf_valid(aco
->new_curbuf
)
8668 && aco
->new_curbuf
->b_ml
.ml_mfp
!= NULL
)
8670 --curbuf
->b_nwindows
;
8671 curbuf
= aco
->new_curbuf
;
8672 curwin
->w_buffer
= curbuf
;
8673 ++curbuf
->b_nwindows
;
8676 curwin
= aco
->save_curwin
;
8677 curbuf
= curwin
->w_buffer
;
8682 static int autocmd_nested
= FALSE
;
8685 * Execute autocommands for "event" and file name "fname".
8686 * Return TRUE if some commands were executed.
8689 apply_autocmds(event
, fname
, fname_io
, force
, buf
)
8691 char_u
*fname
; /* NULL or empty means use actual file name */
8692 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8693 int force
; /* when TRUE, ignore autocmd_busy */
8694 buf_T
*buf
; /* buffer for <abuf> */
8696 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8697 AUGROUP_ALL
, buf
, NULL
);
8701 * Like apply_autocmds(), but with extra "eap" argument. This takes care of
8702 * setting v:filearg.
8705 apply_autocmds_exarg(event
, fname
, fname_io
, force
, buf
, eap
)
8713 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8714 AUGROUP_ALL
, buf
, eap
);
8718 * Like apply_autocmds(), but handles the caller's retval. If the script
8719 * processing is being aborted or if retval is FAIL when inside a try
8720 * conditional, no autocommands are executed. If otherwise the autocommands
8721 * cause the script to be aborted, retval is set to FAIL.
8724 apply_autocmds_retval(event
, fname
, fname_io
, force
, buf
, retval
)
8726 char_u
*fname
; /* NULL or empty means use actual file name */
8727 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8728 int force
; /* when TRUE, ignore autocmd_busy */
8729 buf_T
*buf
; /* buffer for <abuf> */
8730 int *retval
; /* pointer to caller's retval */
8735 if (should_abort(*retval
))
8739 did_cmd
= apply_autocmds_group(event
, fname
, fname_io
, force
,
8740 AUGROUP_ALL
, buf
, NULL
);
8751 * Return TRUE when there is a CursorHold autocommand defined.
8756 return (first_autopat
[(int)(get_real_state() == NORMAL_BUSY
8757 ? EVENT_CURSORHOLD
: EVENT_CURSORHOLDI
)] != NULL
);
8761 * Return TRUE if the CursorHold event can be triggered.
8764 trigger_cursorhold()
8768 if (!did_cursorhold
&& has_cursorhold() && !Recording
8769 #ifdef FEAT_INS_EXPAND
8770 && !ins_compl_active()
8774 state
= get_real_state();
8775 if (state
== NORMAL_BUSY
|| (state
& INSERT
) != 0)
8782 * Return TRUE when there is a CursorMoved autocommand defined.
8787 return (first_autopat
[(int)EVENT_CURSORMOVED
] != NULL
);
8791 * Return TRUE when there is a CursorMovedI autocommand defined.
8796 return (first_autopat
[(int)EVENT_CURSORMOVEDI
] != NULL
);
8800 apply_autocmds_group(event
, fname
, fname_io
, force
, group
, buf
, eap
)
8802 char_u
*fname
; /* NULL or empty means use actual file name */
8803 char_u
*fname_io
; /* fname to use for <afile> on cmdline, NULL means
8805 int force
; /* when TRUE, ignore autocmd_busy */
8806 int group
; /* group ID, or AUGROUP_ALL */
8807 buf_T
*buf
; /* buffer for <abuf> */
8808 exarg_T
*eap
; /* command arguments */
8810 char_u
*sfname
= NULL
; /* short file name */
8815 char_u
*save_sourcing_name
;
8816 linenr_T save_sourcing_lnum
;
8817 char_u
*save_autocmd_fname
;
8818 int save_autocmd_fname_full
;
8819 int save_autocmd_bufnr
;
8820 char_u
*save_autocmd_match
;
8821 int save_autocmd_busy
;
8822 int save_autocmd_nested
;
8823 static int nesting
= 0;
8827 scid_T save_current_SID
;
8828 void *save_funccalp
;
8829 char_u
*save_cmdarg
;
8832 static int filechangeshell_busy
= FALSE
;
8834 proftime_T wait_time
;
8838 * Quickly return if there are no autocommands for this event or
8839 * autocommands are blocked.
8841 if (first_autopat
[(int)event
] == NULL
|| autocmd_blocked
> 0)
8845 * When autocommands are busy, new autocommands are only executed when
8846 * explicitly enabled with the "nested" flag.
8848 if (autocmd_busy
&& !(force
|| autocmd_nested
))
8853 * Quickly return when immediately aborting on error, or when an interrupt
8854 * occurred or an exception was thrown but not caught.
8861 * FileChangedShell never nests, because it can create an endless loop.
8863 if (filechangeshell_busy
&& (event
== EVENT_FILECHANGEDSHELL
8864 || event
== EVENT_FILECHANGEDSHELLPOST
))
8868 * Ignore events in 'eventignore'.
8870 if (event_ignored(event
))
8874 * Allow nesting of autocommands, but restrict the depth, because it's
8875 * possible to create an endless loop.
8879 EMSG(_("E218: autocommand nesting too deep"));
8884 * Check if these autocommands are disabled. Used when doing ":all" or
8887 if ( (autocmd_no_enter
8888 && (event
== EVENT_WINENTER
|| event
== EVENT_BUFENTER
))
8889 || (autocmd_no_leave
8890 && (event
== EVENT_WINLEAVE
|| event
== EVENT_BUFLEAVE
)))
8894 * Save the autocmd_* variables and info about the current buffer.
8896 save_autocmd_fname
= autocmd_fname
;
8897 save_autocmd_fname_full
= autocmd_fname_full
;
8898 save_autocmd_bufnr
= autocmd_bufnr
;
8899 save_autocmd_match
= autocmd_match
;
8900 save_autocmd_busy
= autocmd_busy
;
8901 save_autocmd_nested
= autocmd_nested
;
8902 save_changed
= curbuf
->b_changed
;
8903 old_curbuf
= curbuf
;
8906 * Set the file name to be used for <afile>.
8907 * Make a copy to avoid that changing a buffer name or directory makes it
8910 if (fname_io
== NULL
)
8912 if (fname
!= NULL
&& *fname
!= NUL
)
8913 autocmd_fname
= fname
;
8914 else if (buf
!= NULL
)
8915 autocmd_fname
= buf
->b_ffname
;
8917 autocmd_fname
= NULL
;
8920 autocmd_fname
= fname_io
;
8921 if (autocmd_fname
!= NULL
)
8922 autocmd_fname
= vim_strsave(autocmd_fname
);
8923 autocmd_fname_full
= FALSE
; /* call FullName_save() later */
8926 * Set the buffer number to be used for <abuf>.
8931 autocmd_bufnr
= buf
->b_fnum
;
8934 * When the file name is NULL or empty, use the file name of buffer "buf".
8935 * Always use the full path of the file name to match with, in case
8936 * "allow_dirs" is set.
8938 if (fname
== NULL
|| *fname
== NUL
)
8945 if (event
== EVENT_SYNTAX
)
8946 fname
= buf
->b_p_syn
;
8949 if (event
== EVENT_FILETYPE
)
8950 fname
= buf
->b_p_ft
;
8953 if (buf
->b_sfname
!= NULL
)
8954 sfname
= vim_strsave(buf
->b_sfname
);
8955 fname
= buf
->b_ffname
;
8959 fname
= (char_u
*)"";
8960 fname
= vim_strsave(fname
); /* make a copy, so we can change it */
8964 sfname
= vim_strsave(fname
);
8965 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or
8967 if (event
== EVENT_FILETYPE
8968 || event
== EVENT_SYNTAX
8969 || event
== EVENT_FUNCUNDEFINED
8970 || event
== EVENT_REMOTEREPLY
8971 || event
== EVENT_SPELLFILEMISSING
8972 || event
== EVENT_QUICKFIXCMDPRE
8973 || event
== EVENT_QUICKFIXCMDPOST
)
8974 fname
= vim_strsave(fname
);
8976 fname
= FullName_save(fname
, FALSE
);
8978 if (fname
== NULL
) /* out of memory */
8985 #ifdef BACKSLASH_IN_FILENAME
8987 * Replace all backslashes with forward slashes. This makes the
8988 * autocommand patterns portable between Unix and MS-DOS.
8991 forward_slash(sfname
);
8992 forward_slash(fname
);
8996 /* remove version for correct match */
8998 vms_remove_version(sfname
);
8999 vms_remove_version(fname
);
9003 * Set the name to be used for <amatch>.
9005 autocmd_match
= fname
;
9008 /* Don't redraw while doing auto commands. */
9009 ++RedrawingDisabled
;
9010 save_sourcing_name
= sourcing_name
;
9011 sourcing_name
= NULL
; /* don't free this one */
9012 save_sourcing_lnum
= sourcing_lnum
;
9013 sourcing_lnum
= 0; /* no line number here */
9016 save_current_SID
= current_SID
;
9018 # ifdef FEAT_PROFILE
9019 if (do_profiling
== PROF_YES
)
9020 prof_child_enter(&wait_time
); /* doesn't count for the caller itself */
9023 /* Don't use local function variables, if called from a function */
9024 save_funccalp
= save_funccal();
9028 * When starting to execute autocommands, save the search patterns.
9032 save_search_patterns();
9034 did_filetype
= keep_filetype
;
9038 * Note that we are applying autocmds. Some commands need to know.
9040 autocmd_busy
= TRUE
;
9041 filechangeshell_busy
= (event
== EVENT_FILECHANGEDSHELL
);
9042 ++nesting
; /* see matching decrement below */
9044 /* Remember that FileType was triggered. Used for did_filetype(). */
9045 if (event
== EVENT_FILETYPE
)
9046 did_filetype
= TRUE
;
9048 tail
= gettail(fname
);
9050 /* Find first autocommand that matches */
9051 patcmd
.curpat
= first_autopat
[(int)event
];
9052 patcmd
.nextcmd
= NULL
;
9053 patcmd
.group
= group
;
9054 patcmd
.fname
= fname
;
9055 patcmd
.sfname
= sfname
;
9057 patcmd
.event
= event
;
9058 patcmd
.arg_bufnr
= autocmd_bufnr
;
9060 auto_next_pat(&patcmd
, FALSE
);
9062 /* found one, start executing the autocommands */
9063 if (patcmd
.curpat
!= NULL
)
9065 /* add to active_apc_list */
9066 patcmd
.next
= active_apc_list
;
9067 active_apc_list
= &patcmd
;
9070 /* set v:cmdarg (only when there is a matching pattern) */
9071 save_cmdbang
= get_vim_var_nr(VV_CMDBANG
);
9074 save_cmdarg
= set_cmdarg(eap
, NULL
);
9075 set_vim_var_nr(VV_CMDBANG
, (long)eap
->forceit
);
9078 save_cmdarg
= NULL
; /* avoid gcc warning */
9081 /* mark the last pattern, to avoid an endless loop when more patterns
9082 * are added when executing autocommands */
9083 for (ap
= patcmd
.curpat
; ap
->next
!= NULL
; ap
= ap
->next
)
9086 check_lnums(TRUE
); /* make sure cursor and topline are valid */
9087 do_cmdline(NULL
, getnextac
, (void *)&patcmd
,
9088 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
9092 (void)set_cmdarg(NULL
, save_cmdarg
);
9093 set_vim_var_nr(VV_CMDBANG
, save_cmdbang
);
9096 /* delete from active_apc_list */
9097 if (active_apc_list
== &patcmd
) /* just in case */
9098 active_apc_list
= patcmd
.next
;
9101 --RedrawingDisabled
;
9102 autocmd_busy
= save_autocmd_busy
;
9103 filechangeshell_busy
= FALSE
;
9104 autocmd_nested
= save_autocmd_nested
;
9105 vim_free(sourcing_name
);
9106 sourcing_name
= save_sourcing_name
;
9107 sourcing_lnum
= save_sourcing_lnum
;
9108 vim_free(autocmd_fname
);
9109 autocmd_fname
= save_autocmd_fname
;
9110 autocmd_fname_full
= save_autocmd_fname_full
;
9111 autocmd_bufnr
= save_autocmd_bufnr
;
9112 autocmd_match
= save_autocmd_match
;
9114 current_SID
= save_current_SID
;
9115 restore_funccal(save_funccalp
);
9116 # ifdef FEAT_PROFILE
9117 if (do_profiling
== PROF_YES
)
9118 prof_child_exit(&wait_time
);
9123 --nesting
; /* see matching increment above */
9126 * When stopping to execute autocommands, restore the search patterns and
9131 restore_search_patterns();
9133 did_filetype
= FALSE
;
9137 * Some events don't set or reset the Changed flag.
9138 * Check if still in the same buffer!
9140 if (curbuf
== old_curbuf
9141 && (event
== EVENT_BUFREADPOST
9142 || event
== EVENT_BUFWRITEPOST
9143 || event
== EVENT_FILEAPPENDPOST
9144 || event
== EVENT_VIMLEAVE
9145 || event
== EVENT_VIMLEAVEPRE
))
9148 if (curbuf
->b_changed
!= save_changed
)
9149 need_maketitle
= TRUE
;
9151 curbuf
->b_changed
= save_changed
;
9154 au_cleanup(); /* may really delete removed patterns/commands now */
9157 /* When wiping out a buffer make sure all its buffer-local autocommands
9159 if (event
== EVENT_BUFWIPEOUT
&& buf
!= NULL
)
9160 aubuflocal_remove(buf
);
9166 static char_u
*old_termresponse
= NULL
;
9170 * Block triggering autocommands until unblock_autocmd() is called.
9171 * Can be used recursively, so long as it's symmetric.
9177 /* Remember the value of v:termresponse. */
9178 if (autocmd_blocked
== 0)
9179 old_termresponse
= get_vim_var_str(VV_TERMRESPONSE
);
9190 /* When v:termresponse was set while autocommands were blocked, trigger
9191 * the autocommands now. Esp. useful when executing a shell command
9192 * during startup (vimdiff). */
9193 if (autocmd_blocked
== 0
9194 && get_vim_var_str(VV_TERMRESPONSE
) != old_termresponse
)
9195 apply_autocmds(EVENT_TERMRESPONSE
, NULL
, NULL
, FALSE
, curbuf
);
9200 * Find next autocommand pattern that matches.
9203 auto_next_pat(apc
, stop_at_last
)
9205 int stop_at_last
; /* stop when 'last' flag is set */
9212 vim_free(sourcing_name
);
9213 sourcing_name
= NULL
;
9215 for (ap
= apc
->curpat
; ap
!= NULL
&& !got_int
; ap
= ap
->next
)
9219 /* Only use a pattern when it has not been removed, has commands and
9220 * the group matches. For buffer-local autocommands only check the
9222 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9223 && (apc
->group
== AUGROUP_ALL
|| apc
->group
== ap
->group
))
9225 /* execution-condition */
9226 if (ap
->buflocal_nr
== 0
9227 ? (match_file_pat(NULL
, ap
->reg_prog
, apc
->fname
,
9228 apc
->sfname
, apc
->tail
, ap
->allow_dirs
))
9229 : ap
->buflocal_nr
== apc
->arg_bufnr
)
9231 name
= event_nr2name(apc
->event
);
9232 s
= _("%s Auto commands for \"%s\"");
9233 sourcing_name
= alloc((unsigned)(STRLEN(s
)
9234 + STRLEN(name
) + ap
->patlen
+ 1));
9235 if (sourcing_name
!= NULL
)
9237 sprintf((char *)sourcing_name
, s
,
9238 (char *)name
, (char *)ap
->pat
);
9242 smsg((char_u
*)_("Executing %s"), sourcing_name
);
9248 apc
->nextcmd
= ap
->cmds
;
9249 /* mark last command */
9250 for (cp
= ap
->cmds
; cp
->next
!= NULL
; cp
= cp
->next
)
9255 if (apc
->curpat
!= NULL
) /* found a match */
9258 if (stop_at_last
&& ap
->last
)
9264 * Get next autocommand command.
9265 * Called by do_cmdline() to get the next line for ":if".
9266 * Returns allocated string, or NULL for end of autocommands.
9269 getnextac(c
, cookie
, indent
)
9274 AutoPatCmd
*acp
= (AutoPatCmd
*)cookie
;
9278 /* Can be called again after returning the last line. */
9279 if (acp
->curpat
== NULL
)
9282 /* repeat until we find an autocommand to execute */
9285 /* skip removed commands */
9286 while (acp
->nextcmd
!= NULL
&& acp
->nextcmd
->cmd
== NULL
)
9287 if (acp
->nextcmd
->last
)
9288 acp
->nextcmd
= NULL
;
9290 acp
->nextcmd
= acp
->nextcmd
->next
;
9292 if (acp
->nextcmd
!= NULL
)
9295 /* at end of commands, find next pattern that matches */
9296 if (acp
->curpat
->last
)
9299 acp
->curpat
= acp
->curpat
->next
;
9300 if (acp
->curpat
!= NULL
)
9301 auto_next_pat(acp
, TRUE
);
9302 if (acp
->curpat
== NULL
)
9310 verbose_enter_scroll();
9311 smsg((char_u
*)_("autocommand %s"), ac
->cmd
);
9312 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
9313 verbose_leave_scroll();
9315 retval
= vim_strsave(ac
->cmd
);
9316 autocmd_nested
= ac
->nested
;
9318 current_SID
= ac
->scriptID
;
9321 acp
->nextcmd
= NULL
;
9323 acp
->nextcmd
= ac
->next
;
9328 * Return TRUE if there is a matching autocommand for "fname".
9329 * To account for buffer-local autocommands, function needs to know
9330 * in which buffer the file will be opened.
9333 has_autocmd(event
, sfname
, buf
)
9340 char_u
*tail
= gettail(sfname
);
9343 fname
= FullName_save(sfname
, FALSE
);
9347 #ifdef BACKSLASH_IN_FILENAME
9349 * Replace all backslashes with forward slashes. This makes the
9350 * autocommand patterns portable between Unix and MS-DOS.
9352 sfname
= vim_strsave(sfname
);
9354 forward_slash(sfname
);
9355 forward_slash(fname
);
9358 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
9359 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9360 && (ap
->buflocal_nr
== 0
9361 ? match_file_pat(NULL
, ap
->reg_prog
,
9362 fname
, sfname
, tail
, ap
->allow_dirs
)
9363 : buf
!= NULL
&& ap
->buflocal_nr
== buf
->b_fnum
9371 #ifdef BACKSLASH_IN_FILENAME
9378 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
9380 * Function given to ExpandGeneric() to obtain the list of autocommand group
9384 get_augroup_name(xp
, idx
)
9385 expand_T
*xp UNUSED
;
9388 if (idx
== augroups
.ga_len
) /* add "END" add the end */
9389 return (char_u
*)"END";
9390 if (idx
>= augroups
.ga_len
) /* end of list */
9392 if (AUGROUP_NAME(idx
) == NULL
) /* skip deleted entries */
9393 return (char_u
*)"";
9394 return AUGROUP_NAME(idx
); /* return a name */
9397 static int include_groups
= FALSE
;
9400 set_context_in_autocmd(xp
, arg
, doautocmd
)
9403 int doautocmd
; /* TRUE for :doauto*, FALSE for :autocmd */
9408 /* check for a group name, skip it if present */
9409 include_groups
= FALSE
;
9411 group
= au_get_grouparg(&arg
);
9412 if (group
== AUGROUP_ERROR
)
9414 /* If there only is a group name that's what we expand. */
9415 if (*arg
== NUL
&& group
!= AUGROUP_ALL
&& !vim_iswhite(arg
[-1]))
9418 group
= AUGROUP_ALL
;
9421 /* skip over event name */
9422 for (p
= arg
; *p
!= NUL
&& !vim_iswhite(*p
); ++p
)
9427 if (group
== AUGROUP_ALL
)
9428 include_groups
= TRUE
;
9429 xp
->xp_context
= EXPAND_EVENTS
; /* expand event name */
9430 xp
->xp_pattern
= arg
;
9434 /* skip over pattern */
9436 while (*arg
&& (!vim_iswhite(*arg
) || arg
[-1] == '\\'))
9439 return arg
; /* expand (next) command */
9442 xp
->xp_context
= EXPAND_FILES
; /* expand file names */
9444 xp
->xp_context
= EXPAND_NOTHING
; /* pattern is not expanded */
9449 * Function given to ExpandGeneric() to obtain the list of event names.
9452 get_event_name(xp
, idx
)
9453 expand_T
*xp UNUSED
;
9456 if (idx
< augroups
.ga_len
) /* First list group names, if wanted */
9458 if (!include_groups
|| AUGROUP_NAME(idx
) == NULL
)
9459 return (char_u
*)""; /* skip deleted entries */
9460 return AUGROUP_NAME(idx
); /* return a name */
9462 return (char_u
*)event_names
[idx
- augroups
.ga_len
].name
;
9465 #endif /* FEAT_CMDL_COMPL */
9468 * Return TRUE if autocmd is supported.
9471 autocmd_supported(name
)
9476 return (event_name2nr(name
, &p
) != NUM_EVENTS
);
9480 * Return TRUE if an autocommand is defined for a group, event and
9481 * pattern: The group can be omitted to accept any group. "event" and "pattern"
9482 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept
9483 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted.
9485 * exists("#Group") or
9486 * exists("#Group#Event") or
9487 * exists("#Group#Event#pat") or
9488 * exists("#Event") or
9489 * exists("#Event#pat")
9496 char_u
*pattern
= NULL
;
9501 buf_T
*buflocal_buf
= NULL
;
9505 /* Make a copy so that we can change the '#' chars to a NUL. */
9506 arg_save
= vim_strsave(arg
);
9507 if (arg_save
== NULL
)
9509 p
= vim_strchr(arg_save
, '#');
9513 /* First, look for an autocmd group name */
9514 group
= au_find_group(arg_save
);
9515 if (group
== AUGROUP_ERROR
)
9517 /* Didn't match a group name, assume the first argument is an event. */
9518 group
= AUGROUP_ALL
;
9519 event_name
= arg_save
;
9525 /* "Group": group name is present and it's recognized */
9530 /* Must be "Group#Event" or "Group#Event#pat". */
9532 p
= vim_strchr(event_name
, '#');
9534 *p
++ = NUL
; /* "Group#Event#pat" */
9537 pattern
= p
; /* "pattern" is NULL when there is no pattern */
9539 /* find the index (enum) for the event name */
9540 event
= event_name2nr(event_name
, &p
);
9542 /* return FALSE if the event name is not recognized */
9543 if (event
== NUM_EVENTS
)
9546 /* Find the first autocommand for this event.
9547 * If there isn't any, return FALSE;
9548 * If there is one and no pattern given, return TRUE; */
9549 ap
= first_autopat
[(int)event
];
9553 /* if pattern is "<buffer>", special handling is needed which uses curbuf */
9554 /* for pattern "<buffer=N>, fnamecmp() will work fine */
9555 if (pattern
!= NULL
&& STRICMP(pattern
, "<buffer>") == 0)
9556 buflocal_buf
= curbuf
;
9558 /* Check if there is an autocommand with the given pattern. */
9559 for ( ; ap
!= NULL
; ap
= ap
->next
)
9560 /* only use a pattern when it has not been removed and has commands. */
9561 /* For buffer-local autocommands, fnamecmp() works fine. */
9562 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9563 && (group
== AUGROUP_ALL
|| ap
->group
== group
)
9565 || (buflocal_buf
== NULL
9566 ? fnamecmp(ap
->pat
, pattern
) == 0
9567 : ap
->buflocal_nr
== buflocal_buf
->b_fnum
)))
9578 #else /* FEAT_AUTOCMD */
9581 * Prepare for executing commands for (hidden) buffer "buf".
9582 * This is the non-autocommand version, it simply saves "curbuf" and sets
9583 * "curbuf" and "curwin" to match "buf".
9586 aucmd_prepbuf(aco
, buf
)
9587 aco_save_T
*aco
; /* structure to save values in */
9588 buf_T
*buf
; /* new curbuf */
9590 aco
->save_curbuf
= curbuf
;
9591 --curbuf
->b_nwindows
;
9593 curwin
->w_buffer
= buf
;
9594 ++curbuf
->b_nwindows
;
9598 * Restore after executing commands for a (hidden) buffer.
9599 * This is the non-autocommand version.
9603 aco_save_T
*aco
; /* structure holding saved values */
9605 --curbuf
->b_nwindows
;
9606 curbuf
= aco
->save_curbuf
;
9607 curwin
->w_buffer
= curbuf
;
9608 ++curbuf
->b_nwindows
;
9611 #endif /* FEAT_AUTOCMD */
9614 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO)
9616 * Try matching a filename with a "pattern" ("prog" is NULL), or use the
9617 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling
9618 * vim_regcomp() often.
9619 * Used for autocommands and 'wildignore'.
9620 * Returns TRUE if there is a match, FALSE otherwise.
9623 match_file_pat(pattern
, prog
, fname
, sfname
, tail
, allow_dirs
)
9624 char_u
*pattern
; /* pattern to match with */
9625 regprog_T
*prog
; /* pre-compiled regprog or NULL */
9626 char_u
*fname
; /* full path of file name */
9627 char_u
*sfname
; /* short file name or NULL */
9628 char_u
*tail
; /* tail of path */
9629 int allow_dirs
; /* allow matching with dir */
9631 regmatch_T regmatch
;
9633 #ifdef FEAT_OSFILETYPE
9634 int no_pattern
= FALSE
; /* TRUE if check is filetype only */
9640 #ifdef CASE_INSENSITIVE_FILENAME
9641 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
9643 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
9645 #ifdef FEAT_OSFILETYPE
9646 if (*pattern
== '<')
9648 /* There is a filetype condition specified with this pattern.
9649 * Check the filetype matches first. If not, don't bother with the
9650 * pattern (set regprog to NULL).
9651 * Always use magic for the regexp.
9654 for (type_start
= pattern
+ 1; (c
= *pattern
); pattern
++)
9656 if ((c
== ';' || c
== '>') && match
== FALSE
)
9658 *pattern
= NUL
; /* Terminate the string */
9659 match
= mch_check_filetype(fname
, type_start
);
9660 *pattern
= c
; /* Restore the terminator */
9661 type_start
= pattern
+ 1;
9667 /* (c should never be NUL, but check anyway) */
9668 if (match
== FALSE
|| c
== NUL
)
9669 regmatch
.regprog
= NULL
; /* Doesn't match - don't check pat. */
9670 else if (*pattern
== NUL
)
9672 regmatch
.regprog
= NULL
; /* Vim will try to free regprog later */
9673 no_pattern
= TRUE
; /* Always matches - don't check pat. */
9676 regmatch
.regprog
= vim_regcomp(pattern
+ 1, RE_MAGIC
);
9682 regmatch
.regprog
= prog
;
9684 regmatch
.regprog
= vim_regcomp(pattern
, RE_MAGIC
);
9688 * Try for a match with the pattern with:
9689 * 1. the full file name, when the pattern has a '/'.
9690 * 2. the short file name, when the pattern has a '/'.
9691 * 3. the tail of the file name, when the pattern has no '/'.
9694 #ifdef FEAT_OSFILETYPE
9695 /* If the check is for a filetype only and we don't care
9696 * about the path then skip all the regexp stuff.
9700 (regmatch
.regprog
!= NULL
9702 && (vim_regexec(®match
, fname
, (colnr_T
)0)
9704 && vim_regexec(®match
, sfname
, (colnr_T
)0))))
9705 || (!allow_dirs
&& vim_regexec(®match
, tail
, (colnr_T
)0)))))
9709 vim_free(regmatch
.regprog
);
9714 #if defined(FEAT_WILDIGN) || defined(PROTO)
9716 * Return TRUE if a file matches with a pattern in "list".
9717 * "list" is a comma-separated list of patterns, like 'wildignore'.
9718 * "sfname" is the short file name or NULL, "ffname" the long file name.
9721 match_file_list(list
, sfname
, ffname
)
9733 tail
= gettail(sfname
);
9735 /* try all patterns in 'wildignore' */
9739 copy_option_part(&p
, buf
, 100, ",");
9740 regpat
= file_pat_to_reg_pat(buf
, NULL
, &allow_dirs
, FALSE
);
9743 match
= match_file_pat(regpat
, NULL
, ffname
, sfname
,
9744 tail
, (int)allow_dirs
);
9754 * Convert the given pattern "pat" which has shell style wildcards in it, into
9755 * a regular expression, and return the result in allocated memory. If there
9756 * is a directory path separator to be matched, then TRUE is put in
9757 * allow_dirs, otherwise FALSE is put there -- webb.
9758 * Handle backslashes before special characters, like "\*" and "\ ".
9760 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg:
9761 * '<html>myfile' becomes '<html>^myfile$' -- leonard.
9763 * Returns NULL when out of memory.
9766 file_pat_to_reg_pat(pat
, pat_end
, allow_dirs
, no_bslash
)
9768 char_u
*pat_end
; /* first char after pattern or NULL */
9769 char *allow_dirs
; /* Result passed back out in here */
9770 int no_bslash UNUSED
; /* Don't use a backward slash as pathsep */
9778 int add_dollar
= TRUE
;
9779 #ifdef FEAT_OSFILETYPE
9780 int check_length
= 0;
9783 if (allow_dirs
!= NULL
)
9784 *allow_dirs
= FALSE
;
9785 if (pat_end
== NULL
)
9786 pat_end
= pat
+ STRLEN(pat
);
9788 #ifdef FEAT_OSFILETYPE
9789 /* Find out how much of the string is the filetype check */
9792 /* Count chars until the next '>' */
9793 for (p
= pat
+ 1; p
< pat_end
&& *p
!= '>'; p
++)
9797 /* Pattern is of the form <.*>.* */
9798 check_length
= p
- pat
+ 1;
9799 if (p
+ 1 >= pat_end
)
9801 /* The 'pattern' is a filetype check ONLY */
9802 reg_pat
= (char_u
*)alloc(check_length
+ 1);
9803 if (reg_pat
!= NULL
)
9805 mch_memmove(reg_pat
, pat
, (size_t)check_length
);
9806 reg_pat
[check_length
] = NUL
;
9811 /* else: there was no closing '>' - assume it was a normal pattern */
9814 pat
+= check_length
;
9815 size
= 2 + check_length
;
9817 size
= 2; /* '^' at start, '$' at end */
9820 for (p
= pat
; p
< pat_end
; p
++)
9830 size
+= 2; /* extra backslash */
9832 #ifdef BACKSLASH_IN_FILENAME
9835 size
+= 4; /* could become "[\/]" */
9841 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9850 reg_pat
= alloc(size
+ 1);
9851 if (reg_pat
== NULL
)
9854 #ifdef FEAT_OSFILETYPE
9855 /* Copy the type check in to the start. */
9857 mch_memmove(reg_pat
, pat
- check_length
, (size_t)check_length
);
9864 while (pat
[0] == '*' && pat
< pat_end
- 1)
9871 while (endp
- pat
> 0 && *endp
== '*')
9875 for (p
= pat
; *p
&& nested
>= 0 && p
<= endp
; p
++)
9882 while (p
[1] == '*') /* "**" matches like "*" */
9887 if (allow_dirs
!= NULL
)
9892 reg_pat
[i
++] = '\\';
9904 #ifdef BACKSLASH_IN_FILENAME
9908 * "\x" to "\\x" e.g., "dir\file"
9909 * "\*" to "\\.*" e.g., "dir\*.c"
9910 * "\?" to "\\." e.g., "dir\??.c"
9911 * "\+" to "\+" e.g., "fileX\+.c"
9913 if ((vim_isfilec(p
[1]) || p
[1] == '*' || p
[1] == '?')
9917 reg_pat
[i
++] = '\\';
9920 if (allow_dirs
!= NULL
)
9927 #ifdef BACKSLASH_IN_FILENAME
9937 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
)
9938 #ifdef BACKSLASH_IN_FILENAME
9939 && (!no_bslash
|| *p
!= '\\')
9943 reg_pat
[i
++] = '\\';
9947 #ifdef BACKSLASH_IN_FILENAME
9950 reg_pat
[i
++] = '\\';
9953 if (allow_dirs
!= NULL
)
9958 reg_pat
[i
++] = '\\';
9963 reg_pat
[i
++] = '\\';
9970 reg_pat
[i
++] = '\\';
9978 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9979 reg_pat
[i
++] = *p
++;
9982 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
))
9994 EMSG(_("E219: Missing {."));
9996 EMSG(_("E220: Missing }."));