1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
11 * fileio.c: read from and write to a file
14 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64)
15 # include "vimio.h" /* for lseek(), must be before vim.h */
19 # include "vimio.h" /* for mktemp(), CJW 1997-12-03 */
25 # include <limits.h> /* for SSIZE_MAX */
28 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
29 # include <utime.h> /* for struct utimbuf */
32 #define BUFSIZE 8192 /* size of normal write buffer */
33 #define SMBUFSIZE 256 /* size of emergency write buffer */
36 # define CRYPT_MAGIC "VimCrypt~01!" /* "01" is the version nr */
37 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */
40 /* Is there any system that doesn't have access()? */
41 #define USE_MCH_ACCESS
43 #if defined(sun) && defined(S_ISCHR)
44 # define OPEN_CHR_FILES
45 static int is_dev_fd_file(char_u
*fname
);
48 static char_u
*next_fenc
__ARGS((char_u
**pp
));
50 static char_u
*readfile_charconvert
__ARGS((char_u
*fname
, char_u
*fenc
, int *fdp
));
54 static void check_marks_read
__ARGS((void));
57 static char_u
*check_for_cryptkey
__ARGS((char_u
*cryptkey
, char_u
*ptr
, long *sizep
, long *filesizep
, int newfile
));
60 static void set_file_time
__ARGS((char_u
*fname
, time_t atime
, time_t mtime
));
62 static int set_rw_fname
__ARGS((char_u
*fname
, char_u
*sfname
));
63 static int msg_add_fileformat
__ARGS((int eol_type
));
64 static void msg_add_eol
__ARGS((void));
65 static int check_mtime
__ARGS((buf_T
*buf
, struct stat
*s
));
66 static int time_differs
__ARGS((long t1
, long t2
));
68 static int apply_autocmds_exarg
__ARGS((event_T event
, char_u
*fname
, char_u
*fname_io
, int force
, buf_T
*buf
, exarg_T
*eap
));
69 static int au_find_group
__ARGS((char_u
*name
));
71 # define AUGROUP_DEFAULT -1 /* default autocmd group */
72 # define AUGROUP_ERROR -2 /* 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 */
125 iconv_t bw_iconv_fd
; /* descriptor for iconv() or -1 */
130 static int buf_write_bytes
__ARGS((struct bw_info
*ip
));
133 static linenr_T readfile_linenr
__ARGS((linenr_T linecnt
, char_u
*p
, char_u
*endp
));
134 static int ucs2bytes
__ARGS((unsigned c
, char_u
**pp
, int flags
));
135 static int same_encoding
__ARGS((char_u
*a
, char_u
*b
));
136 static int get_fio_flags
__ARGS((char_u
*ptr
));
137 static char_u
*check_for_bom
__ARGS((char_u
*p
, long size
, int *lenp
, int flags
));
138 static int make_bom
__ARGS((char_u
*buf
, char_u
*name
));
140 static int get_win_fio_flags
__ARGS((char_u
*ptr
));
143 static int get_mac_fio_flags
__ARGS((char_u
*ptr
));
146 static int move_lines
__ARGS((buf_T
*frombuf
, buf_T
*tobuf
));
148 static char *e_auchangedbuf
= N_("E812: Autocommands changed buffer or buffer name");
152 filemess(buf
, name
, s
, attr
)
162 msg_add_fname(buf
, name
); /* put file name in IObuff with quotes */
163 /* If it's extremely long, truncate it. */
164 if (STRLEN(IObuff
) > IOSIZE
- 80)
165 IObuff
[IOSIZE
- 80] = NUL
;
168 * For the first message may have to start a new line.
169 * For further ones overwrite the previous one, reset msg_scroll before
170 * calling filemess().
172 msg_scroll_save
= msg_scroll
;
173 if (shortmess(SHM_OVERALL
) && !exiting
&& p_verbose
== 0)
175 if (!msg_scroll
) /* wait a bit when overwriting an error msg */
176 check_for_delay(FALSE
);
178 msg_scroll
= msg_scroll_save
;
179 msg_scrolled_ign
= TRUE
;
180 /* may truncate the message to avoid a hit-return prompt */
181 msg_outtrans_attr(msg_may_trunc(FALSE
, IObuff
), attr
);
184 msg_scrolled_ign
= FALSE
;
188 * Read lines from file "fname" into the buffer after line "from".
190 * 1. We allocate blocks with lalloc, as big as possible.
191 * 2. Each block is filled with characters from the file with a single read().
192 * 3. The lines are inserted in the buffer with ml_append().
194 * (caller must check that fname != NULL, unless READ_STDIN is used)
196 * "lines_to_skip" is the number of lines that must be skipped
197 * "lines_to_read" is the number of lines that are appended
198 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM.
201 * READ_NEW starting to edit a new buffer
202 * READ_FILTER reading filter output
203 * READ_STDIN read from stdin instead of a file
204 * READ_BUFFER read from curbuf instead of a file (converting after reading
206 * READ_DUMMY read into a dummy buffer (to check if file contents changed)
208 * return FAIL for failure, OK otherwise
211 readfile(fname
, sfname
, from
, lines_to_skip
, lines_to_read
, eap
, flags
)
215 linenr_T lines_to_skip
;
216 linenr_T lines_to_read
;
217 exarg_T
*eap
; /* can be NULL! */
221 int newfile
= (flags
& READ_NEW
);
223 int filtering
= (flags
& READ_FILTER
);
224 int read_stdin
= (flags
& READ_STDIN
);
225 int read_buffer
= (flags
& READ_BUFFER
);
226 int set_options
= newfile
|| read_buffer
227 || (eap
!= NULL
&& eap
->read_edit
);
228 linenr_T read_buf_lnum
= 1; /* next line to read from curbuf */
229 colnr_T read_buf_col
= 0; /* next char to read from this line */
231 linenr_T lnum
= from
;
232 char_u
*ptr
= NULL
; /* pointer into read buffer */
233 char_u
*buffer
= NULL
; /* read buffer */
234 char_u
*new_buffer
= NULL
; /* init to shut up gcc */
235 char_u
*line_start
= NULL
; /* init to shut up gcc */
236 int wasempty
; /* buffer was empty before reading */
241 int skip_read
= FALSE
;
243 char_u
*cryptkey
= NULL
;
245 int split
= 0; /* number of split lines */
246 #define UNKNOWN 0x0fffffff /* file size is unknown */
248 int error
= FALSE
; /* errors encountered */
249 int ff_error
= EOL_UNKNOWN
; /* file format with errors */
250 long linerest
= 0; /* remaining chars in line */
253 int swap_mode
= -1; /* protection bits for swap file */
257 int fileformat
= 0; /* end-of-line format */
258 int keep_fileformat
= FALSE
;
261 linenr_T skip_count
= 0;
262 linenr_T read_count
= 0;
263 int msg_save
= msg_scroll
;
264 linenr_T read_no_eol_lnum
= 0; /* non-zero lnum when last line of
265 * last read was missing the eol */
266 int try_mac
= (vim_strchr(p_ffs
, 'm') != NULL
);
267 int try_dos
= (vim_strchr(p_ffs
, 'd') != NULL
);
268 int try_unix
= (vim_strchr(p_ffs
, 'x') != NULL
);
269 int file_rewind
= FALSE
;
272 linenr_T conv_error
= 0; /* line nr with conversion error */
273 linenr_T illegal_byte
= 0; /* line nr with illegal byte */
274 int keep_dest_enc
= FALSE
; /* don't retry when char doesn't fit
275 in destination encoding */
276 int bad_char_behavior
= BAD_REPLACE
;
277 /* BAD_KEEP, BAD_DROP or character to
279 char_u
*tmpname
= NULL
; /* name of 'charconvert' output file */
281 char_u
*fenc
; /* fileencoding to use */
282 int fenc_alloced
; /* fenc_next is in allocated memory */
283 char_u
*fenc_next
= NULL
; /* next item in 'fencs' or NULL */
284 int advance_fenc
= FALSE
;
287 iconv_t iconv_fd
= (iconv_t
)-1; /* descriptor for iconv() or -1 */
289 int did_iconv
= FALSE
; /* TRUE when iconv() failed and trying
290 'charconvert' next */
293 int converted
= FALSE
; /* TRUE if conversion done */
294 int notconverted
= FALSE
; /* TRUE if conversion wanted but it
296 char_u conv_rest
[CONV_RESTLEN
];
297 int conv_restlen
= 0; /* nr of bytes in conv_rest[] */
301 /* Remember the initial values of curbuf, curbuf->b_ffname and
302 * curbuf->b_fname to detect whether they are altered as a result of
303 * executing nasty autocommands. Also check if "fname" and "sfname"
304 * point to one of these values. */
305 buf_T
*old_curbuf
= curbuf
;
306 char_u
*old_b_ffname
= curbuf
->b_ffname
;
307 char_u
*old_b_fname
= curbuf
->b_fname
;
308 int using_b_ffname
= (fname
== curbuf
->b_ffname
)
309 || (sfname
== curbuf
->b_ffname
);
310 int using_b_fname
= (fname
== curbuf
->b_fname
)
311 || (sfname
== curbuf
->b_fname
);
313 write_no_eol_lnum
= 0; /* in case it was set by the previous read */
316 * If there is no file name yet, use the one for the read file.
317 * BF_NOTEDITED is set to reflect this.
318 * Don't do this for a read from a filter.
319 * Only do this when 'cpoptions' contains the 'f' flag.
321 if (curbuf
->b_ffname
== NULL
324 && vim_strchr(p_cpo
, CPO_FNAMER
) != NULL
325 && !(flags
& READ_DUMMY
))
327 if (set_rw_fname(fname
, sfname
) == FAIL
)
331 /* After reading a file the cursor line changes but we don't want to
332 * display the line. */
333 ex_no_reprint
= TRUE
;
335 /* don't display the file info for another buffer now */
336 need_fileinfo
= FALSE
;
339 * For Unix: Use the short file name whenever possible.
340 * Avoids problems with networks and when directory names are changed.
341 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
342 * another directory, which we don't detect.
346 #if defined(UNIX) || defined(__EMX__)
352 * The BufReadCmd and FileReadCmd events intercept the reading process by
353 * executing the associated commands instead.
355 if (!filtering
&& !read_stdin
&& !read_buffer
)
359 pos
= curbuf
->b_op_start
;
361 /* Set '[ mark to the line above where the lines go (line 1 if zero). */
362 curbuf
->b_op_start
.lnum
= ((from
== 0) ? 1 : from
);
363 curbuf
->b_op_start
.col
= 0;
367 if (apply_autocmds_exarg(EVENT_BUFREADCMD
, NULL
, sfname
,
370 return aborting() ? FAIL
: OK
;
375 else if (apply_autocmds_exarg(EVENT_FILEREADCMD
, sfname
, sfname
,
378 return aborting() ? FAIL
: OK
;
383 curbuf
->b_op_start
= pos
;
387 if ((shortmess(SHM_OVER
) || curbuf
->b_help
) && p_verbose
== 0)
388 msg_scroll
= FALSE
; /* overwrite previous file message */
390 msg_scroll
= TRUE
; /* don't overwrite previous file message */
393 * If the name ends in a path separator, we can't open it. Check here,
394 * because reading the file may actually work, but then creating the swap
395 * file may destroy it! Reported on MS-DOS and Win 95.
396 * If the name is too long we might crash further on, quit here.
398 if (fname
!= NULL
&& *fname
!= NUL
)
400 p
= fname
+ STRLEN(fname
);
401 if (after_pathsep(fname
, p
) || STRLEN(fname
) >= MAXPATHL
)
403 filemess(curbuf
, fname
, (char_u
*)_("Illegal file name"), 0);
405 msg_scroll
= msg_save
;
412 * On Unix it is possible to read a directory, so we have to
413 * check for it before the mch_open().
415 if (!read_stdin
&& !read_buffer
)
417 perm
= mch_getperm(fname
);
418 if (perm
>= 0 && !S_ISREG(perm
) /* not a regular file ... */
420 && !S_ISFIFO(perm
) /* ... or fifo */
423 && !S_ISSOCK(perm
) /* ... or socket */
425 # ifdef OPEN_CHR_FILES
426 && !(S_ISCHR(perm
) && is_dev_fd_file(fname
))
427 /* ... or a character special file named /dev/fd/<n> */
432 filemess(curbuf
, fname
, (char_u
*)_("is a directory"), 0);
434 filemess(curbuf
, fname
, (char_u
*)_("is not a file"), 0);
436 msg_scroll
= msg_save
;
440 # if defined(MSDOS) || defined(MSWIN) || defined(OS2)
442 * MS-Windows allows opening a device, but we will probably get stuck
445 if (!p_odev
&& mch_nodetype(fname
) == NODE_WRITABLE
)
447 filemess(curbuf
, fname
, (char_u
*)_("is a device (disabled with 'opendevice' option)"), 0);
449 msg_scroll
= msg_save
;
456 /* set default 'fileformat' */
459 if (eap
!= NULL
&& eap
->force_ff
!= 0)
460 set_fileformat(get_fileformat_force(curbuf
, eap
), OPT_LOCAL
);
461 else if (*p_ffs
!= NUL
)
462 set_fileformat(default_fileformat(), OPT_LOCAL
);
465 /* set or reset 'binary' */
466 if (eap
!= NULL
&& eap
->force_bin
!= 0)
468 int oldval
= curbuf
->b_p_bin
;
470 curbuf
->b_p_bin
= (eap
->force_bin
== FORCE_BIN
);
471 set_options_bin(oldval
, curbuf
->b_p_bin
, OPT_LOCAL
);
475 * When opening a new file we take the readonly flag from the file.
476 * Default is r/w, can be set to r/o below.
477 * Don't reset it when in readonly mode
478 * Only set/reset b_p_ro when BF_CHECK_RO is set.
480 check_readonly
= (newfile
&& (curbuf
->b_flags
& BF_CHECK_RO
));
481 if (check_readonly
&& !readonlymode
)
482 curbuf
->b_p_ro
= FALSE
;
484 if (newfile
&& !read_stdin
&& !read_buffer
)
486 /* Remember time of file.
487 * For RISCOS, also remember the filetype.
489 if (mch_stat((char *)fname
, &st
) >= 0)
491 buf_store_time(curbuf
, &st
, fname
);
492 curbuf
->b_mtime_read
= curbuf
->b_mtime
;
494 #if defined(RISCOS) && defined(FEAT_OSFILETYPE)
495 /* Read the filetype into the buffer local filetype option. */
496 mch_read_filetype(fname
);
500 * Use the protection bits of the original file for the swap file.
501 * This makes it possible for others to read the name of the
502 * edited file from the swapfile, but only if they can read the
504 * Remove the "write" and "execute" bits for group and others
505 * (they must not write the swapfile).
506 * Add the "read" and "write" bits for the user, otherwise we may
507 * not be able to write to the file ourselves.
508 * Setting the bits is done below, after creating the swap file.
510 swap_mode
= (st
.st_mode
& 0644) | 0600;
512 #ifdef FEAT_CW_EDITOR
513 /* Get the FSSpec on MacOS
514 * TODO: Update it properly when the buffer name changes
516 (void)GetFSSpecFromPath(curbuf
->b_ffname
, &curbuf
->b_FSSpec
);
519 curbuf
->b_fab_rfm
= st
.st_fab_rfm
;
520 curbuf
->b_fab_rat
= st
.st_fab_rat
;
521 curbuf
->b_fab_mrs
= st
.st_fab_mrs
;
527 curbuf
->b_mtime_read
= 0;
528 curbuf
->b_orig_size
= 0;
529 curbuf
->b_orig_mode
= 0;
532 /* Reset the "new file" flag. It will be set again below when the
533 * file doesn't exist. */
534 curbuf
->b_flags
&= ~(BF_NEW
| BF_NEW_W
);
538 * for UNIX: check readonly with perm and mch_access()
539 * for RISCOS: same as Unix, otherwise file gets re-datestamped!
540 * for MSDOS and Amiga: check readonly by trying to open the file for writing
542 file_readonly
= FALSE
;
545 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
546 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */
547 setmode(0, O_BINARY
);
550 else if (!read_buffer
)
552 #ifdef USE_MCH_ACCESS
557 mch_access((char *)fname
, W_OK
))
558 file_readonly
= TRUE
;
559 fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
563 || (fd
= mch_open((char *)fname
, O_RDWR
| O_EXTRA
, 0)) < 0)
565 file_readonly
= TRUE
;
567 fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
572 if (fd
< 0) /* cannot open at all */
577 msg_scroll
= msg_save
;
580 * On MSDOS and Amiga we can't open a directory, check here.
582 isdir_f
= (mch_isdir(fname
));
583 perm
= mch_getperm(fname
); /* check if the file exists */
586 filemess(curbuf
, sfname
, (char_u
*)_("is a directory"), 0);
587 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
596 * Set the 'new-file' flag, so that when the file has
597 * been created by someone else, a ":w" will complain.
599 curbuf
->b_flags
|= BF_NEW
;
601 /* Create a swap file now, so that other Vims are warned
602 * that we are editing this file. Don't do this for a
603 * "nofile" or "nowrite" buffer type. */
605 if (!bt_dontwrite(curbuf
))
608 check_need_swap(newfile
);
610 /* SwapExists autocommand may mess things up */
611 if (curbuf
!= old_curbuf
613 && (old_b_ffname
!= curbuf
->b_ffname
))
615 && (old_b_fname
!= curbuf
->b_fname
)))
617 EMSG(_(e_auchangedbuf
));
622 if (dir_of_file_exists(fname
))
623 filemess(curbuf
, sfname
, (char_u
*)_("[New File]"), 0);
625 filemess(curbuf
, sfname
,
626 (char_u
*)_("[New DIRECTORY]"), 0);
628 /* Even though this is a new file, it might have been
629 * edited before and deleted. Get the old marks. */
633 if (eap
!= NULL
&& eap
->force_enc
!= 0)
635 /* set forced 'fileencoding' */
636 fenc
= enc_canonize(eap
->cmd
+ eap
->force_enc
);
638 set_string_option_direct((char_u
*)"fenc", -1,
639 fenc
, OPT_FREE
|OPT_LOCAL
, 0);
644 apply_autocmds_exarg(EVENT_BUFNEWFILE
, sfname
, sfname
,
647 /* remember the current fileformat */
648 save_file_ff(curbuf
);
650 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
651 if (aborting()) /* autocmds may abort script processing */
654 return OK
; /* a new file is not an error */
658 filemess(curbuf
, sfname
, (char_u
*)(
660 (errno
== EFBIG
) ? _("[File too big]") :
662 _("[Permission Denied]")), 0);
663 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
671 * Only set the 'ro' flag for readonly files the first time they are
672 * loaded. Help files always get readonly mode
674 if ((check_readonly
&& file_readonly
) || curbuf
->b_help
)
675 curbuf
->b_p_ro
= TRUE
;
679 /* Don't change 'eol' if reading from buffer as it will already be
680 * correctly set when reading stdin. */
683 curbuf
->b_p_eol
= TRUE
;
684 curbuf
->b_start_eol
= TRUE
;
687 curbuf
->b_p_bomb
= FALSE
;
688 curbuf
->b_start_bomb
= FALSE
;
692 /* Create a swap file now, so that other Vims are warned that we are
694 * Don't do this for a "nofile" or "nowrite" buffer type. */
696 if (!bt_dontwrite(curbuf
))
699 check_need_swap(newfile
);
701 if (!read_stdin
&& (curbuf
!= old_curbuf
702 || (using_b_ffname
&& (old_b_ffname
!= curbuf
->b_ffname
))
703 || (using_b_fname
&& (old_b_fname
!= curbuf
->b_fname
))))
705 EMSG(_(e_auchangedbuf
));
712 /* Set swap file protection bits after creating it. */
713 if (swap_mode
> 0 && curbuf
->b_ml
.ml_mfp
->mf_fname
!= NULL
)
714 (void)mch_setperm(curbuf
->b_ml
.ml_mfp
->mf_fname
, (long)swap_mode
);
718 #if defined(HAS_SWAP_EXISTS_ACTION)
719 /* If "Quit" selected at ATTENTION dialog, don't load the file */
720 if (swap_exists_action
== SEA_QUIT
)
722 if (!read_buffer
&& !read_stdin
)
728 ++no_wait_return
; /* don't wait for return yet */
731 * Set '[ mark to the line above where the lines go (line 1 if zero).
733 curbuf
->b_op_start
.lnum
= ((from
== 0) ? 1 : from
);
734 curbuf
->b_op_start
.col
= 0;
740 int n
= msg_scrolled
;
743 * The file must be closed again, the autocommands may want to change
744 * the file before reading it.
747 close(fd
); /* ignore errors */
750 * The output from the autocommands should not overwrite anything and
751 * should not be overwritten: Set msg_scroll, restore its value if no
756 apply_autocmds_exarg(EVENT_FILTERREADPRE
, NULL
, sfname
,
759 apply_autocmds_exarg(EVENT_STDINREADPRE
, NULL
, sfname
,
762 apply_autocmds_exarg(EVENT_BUFREADPRE
, NULL
, sfname
,
765 apply_autocmds_exarg(EVENT_FILEREADPRE
, sfname
, sfname
,
767 if (msg_scrolled
== n
)
771 if (aborting()) /* autocmds may abort script processing */
774 msg_scroll
= msg_save
;
775 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
780 * Don't allow the autocommands to change the current buffer.
781 * Try to re-open the file.
783 * Don't allow the autocommands to change the buffer name either
784 * (cd for example) if it invalidates fname or sfname.
786 if (!read_stdin
&& (curbuf
!= old_curbuf
787 || (using_b_ffname
&& (old_b_ffname
!= curbuf
->b_ffname
))
788 || (using_b_fname
&& (old_b_fname
!= curbuf
->b_fname
))
789 || (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) < 0))
792 msg_scroll
= msg_save
;
794 EMSG(_("E200: *ReadPre autocommands made the file unreadable"));
796 EMSG(_("E201: *ReadPre autocommands must not change current buffer"));
797 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
801 #endif /* FEAT_AUTOCMD */
803 /* Autocommands may add lines to the file, need to check if it is empty */
804 wasempty
= (curbuf
->b_ml
.ml_flags
& ML_EMPTY
);
806 if (!recoverymode
&& !filtering
&& !(flags
& READ_DUMMY
))
809 * Show the user that we are busy reading the input. Sometimes this
810 * may take a while. When reading from stdin another program may
811 * still be running, don't move the cursor to the last line, unless
812 * always using the GUI.
816 #ifndef ALWAYS_USE_GUI
817 mch_msg(_("Vim: Reading from stdin...\n"));
820 /* Also write a message in the GUI window, if there is one. */
821 if (gui
.in_use
&& !gui
.dying
&& !gui
.starting
)
823 p
= (char_u
*)_("Reading from stdin...");
824 gui_write(p
, (int)STRLEN(p
));
828 else if (!read_buffer
)
829 filemess(curbuf
, sfname
, (char_u
*)"", 0);
832 msg_scroll
= FALSE
; /* overwrite the file message */
835 * Set linecnt now, before the "retry" caused by a wrong guess for
836 * fileformat, and after the autocommands, which may change them.
838 linecnt
= curbuf
->b_ml
.ml_line_count
;
841 /* "++bad=" argument. */
842 if (eap
!= NULL
&& eap
->bad_char
!= 0)
844 bad_char_behavior
= eap
->bad_char
;
846 curbuf
->b_bad_char
= eap
->bad_char
;
849 curbuf
->b_bad_char
= 0;
852 * Decide which 'encoding' to use or use first.
854 if (eap
!= NULL
&& eap
->force_enc
!= 0)
856 fenc
= enc_canonize(eap
->cmd
+ eap
->force_enc
);
858 keep_dest_enc
= TRUE
;
860 else if (curbuf
->b_p_bin
)
862 fenc
= (char_u
*)""; /* binary: don't convert */
863 fenc_alloced
= FALSE
;
865 else if (curbuf
->b_help
)
867 char_u firstline
[80];
870 /* Help files are either utf-8 or latin1. Try utf-8 first, if this
871 * fails it must be latin1.
872 * Always do this when 'encoding' is "utf-8". Otherwise only do
873 * this when needed to avoid [converted] remarks all the time.
874 * It is needed when the first line contains non-ASCII characters.
875 * That is only in *.??x files. */
876 fenc
= (char_u
*)"latin1";
878 if (!c
&& !read_stdin
)
880 fc
= fname
[STRLEN(fname
) - 1];
881 if (TOLOWER_ASC(fc
) == 'x')
883 /* Read the first line (and a bit more). Immediately rewind to
884 * the start of the file. If the read() fails "len" is -1. */
885 len
= vim_read(fd
, firstline
, 80);
886 lseek(fd
, (off_t
)0L, SEEK_SET
);
887 for (p
= firstline
; p
< firstline
+ len
; ++p
)
899 fenc
= (char_u
*)"utf-8";
901 /* When the file is utf-8 but a character doesn't fit in
902 * 'encoding' don't retry. In help text editing utf-8 bytes
903 * doesn't make sense. */
905 keep_dest_enc
= TRUE
;
907 fenc_alloced
= FALSE
;
909 else if (*p_fencs
== NUL
)
911 fenc
= curbuf
->b_p_fenc
; /* use format from buffer */
912 fenc_alloced
= FALSE
;
916 fenc_next
= p_fencs
; /* try items in 'fileencodings' */
917 fenc
= next_fenc(&fenc_next
);
923 * Jump back here to retry reading the file in different ways.
925 * - encoding conversion failed: try another one from "fenc_next"
926 * - BOM detected and fenc was set, need to setup conversion
927 * - "fileformat" check failed: try another
929 * Variables set for special retry actions:
930 * "file_rewind" Rewind the file to start reading it again.
931 * "advance_fenc" Advance "fenc" using "fenc_next".
932 * "skip_read" Re-use already read bytes (BOM detected).
933 * "did_iconv" iconv() conversion failed, try 'charconvert'.
934 * "keep_fileformat" Don't reset "fileformat".
936 * Other status indicators:
937 * "tmpname" When != NULL did conversion with 'charconvert'.
938 * Output file has to be deleted afterwards.
939 * "iconv_fd" When != -1 did conversion with iconv().
950 else if (read_stdin
|| lseek(fd
, (off_t
)0L, SEEK_SET
) != 0)
952 /* Can't rewind the file, give up. */
956 /* Delete the previously read lines. */
958 ml_delete(lnum
--, FALSE
);
963 curbuf
->b_p_bomb
= FALSE
;
964 curbuf
->b_start_bomb
= FALSE
;
971 * When retrying with another "fenc" and the first time "fileformat"
975 keep_fileformat
= FALSE
;
978 if (eap
!= NULL
&& eap
->force_ff
!= 0)
980 fileformat
= get_fileformat_force(curbuf
, eap
);
981 try_unix
= try_dos
= try_mac
= FALSE
;
983 else if (curbuf
->b_p_bin
)
984 fileformat
= EOL_UNIX
; /* binary: use Unix format */
985 else if (*p_ffs
== NUL
)
986 fileformat
= get_fileformat(curbuf
);/* use format from buffer */
988 fileformat
= EOL_UNKNOWN
; /* detect from file */
993 if (iconv_fd
!= (iconv_t
)-1)
995 /* aborted conversion with iconv(), close the descriptor */
996 iconv_close(iconv_fd
);
997 iconv_fd
= (iconv_t
)-1;
1004 * Try the next entry in 'fileencodings'.
1006 advance_fenc
= FALSE
;
1008 if (eap
!= NULL
&& eap
->force_enc
!= 0)
1010 /* Conversion given with "++cc=" wasn't possible, read
1011 * without conversion. */
1012 notconverted
= TRUE
;
1016 fenc
= (char_u
*)"";
1017 fenc_alloced
= FALSE
;
1023 if (fenc_next
!= NULL
)
1025 fenc
= next_fenc(&fenc_next
);
1026 fenc_alloced
= (fenc_next
!= NULL
);
1030 fenc
= (char_u
*)"";
1031 fenc_alloced
= FALSE
;
1034 if (tmpname
!= NULL
)
1036 mch_remove(tmpname
); /* delete converted file */
1043 * Conversion is required when the encoding of the file is different
1044 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4 (requires
1045 * conversion to UTF-8).
1048 converted
= (*fenc
!= NUL
&& !same_encoding(p_enc
, fenc
));
1049 if (converted
|| enc_unicode
!= 0)
1052 /* "ucs-bom" means we need to check the first bytes of the file
1054 if (STRCMP(fenc
, ENC_UCSBOM
) == 0)
1055 fio_flags
= FIO_UCSBOM
;
1058 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be
1059 * done. This is handled below after read(). Prepare the
1060 * fio_flags to avoid having to parse the string each time.
1061 * Also check for Unicode to Latin1 conversion, because iconv()
1062 * appears not to handle this correctly. This works just like
1063 * conversion to UTF-8 except how the resulting character is put in
1066 else if (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
1067 fio_flags
= get_fio_flags(fenc
);
1071 * Conversion from an MS-Windows codepage to UTF-8 or another codepage
1072 * is handled with MultiByteToWideChar().
1075 fio_flags
= get_win_fio_flags(fenc
);
1079 /* Conversion from Apple MacRoman to latin1 or UTF-8 */
1081 fio_flags
= get_mac_fio_flags(fenc
);
1086 * Try using iconv() if we can't convert internally.
1093 iconv_fd
= (iconv_t
)my_iconv_open(
1094 enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
);
1099 * Use the 'charconvert' expression when conversion is required
1100 * and we can't do it internally or with iconv().
1102 if (fio_flags
== 0 && !read_stdin
&& !read_buffer
&& *p_ccv
!= NUL
1104 && iconv_fd
== (iconv_t
)-1
1111 /* Skip conversion when it's already done (retry for wrong
1113 if (tmpname
== NULL
)
1115 tmpname
= readfile_charconvert(fname
, fenc
, &fd
);
1116 if (tmpname
== NULL
)
1118 /* Conversion failed. Try another one. */
1119 advance_fenc
= TRUE
;
1122 /* Re-opening the original file failed! */
1123 EMSG(_("E202: Conversion made file unreadable!"));
1136 && iconv_fd
== (iconv_t
)-1
1140 /* Conversion wanted but we can't.
1141 * Try the next conversion in 'fileencodings' */
1142 advance_fenc
= TRUE
;
1148 /* Set "can_retry" when it's possible to rewind the file and try with
1149 * another "fenc" value. It's FALSE when no other "fenc" to try, reading
1150 * stdin or fixed at a specific encoding. */
1151 can_retry
= (*fenc
!= NUL
&& !read_stdin
&& !keep_dest_enc
);
1158 skip_count
= lines_to_skip
;
1159 read_count
= lines_to_read
;
1165 while (!error
&& !got_int
)
1168 * We allocate as much space for the file as we can get, plus
1169 * space for the old line plus room for one terminating NUL.
1170 * The amount is limited by the fact that read() only can read
1171 * upto max_unsigned characters (and other things).
1174 if (linerest
>= 0x7ff0)
1177 *ptr
= NL
; /* split line by inserting a NL */
1186 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L)
1187 size
= SSIZE_MAX
; /* use max I/O size, 52K */
1189 size
= 0x10000L
; /* use buffer >= 64K */
1192 size
= 0x7ff0L
- linerest
; /* limit buffer to 32K */
1195 for ( ; size
>= 10; size
= (long)((long_u
)size
>> 1))
1197 if ((new_buffer
= lalloc((long_u
)(size
+ linerest
+ 1),
1201 if (new_buffer
== NULL
)
1203 do_outofmem_msg((long_u
)(size
* 2 + linerest
+ 1));
1207 if (linerest
) /* copy characters from the previous buffer */
1208 mch_memmove(new_buffer
, ptr
- linerest
, (size_t)linerest
);
1210 buffer
= new_buffer
;
1211 ptr
= buffer
+ linerest
;
1212 line_start
= buffer
;
1215 /* May need room to translate into.
1216 * For iconv() we don't really know the required space, use a
1217 * factor ICONV_MULT.
1218 * latin1 to utf-8: 1 byte becomes up to 2 bytes
1219 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes
1220 * become up to 4 bytes, size must be multiple of 2
1221 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be
1223 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be
1225 real_size
= (int)size
;
1227 if (iconv_fd
!= (iconv_t
)-1)
1228 size
= size
/ ICONV_MULT
;
1231 if (fio_flags
& FIO_LATIN1
)
1233 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1234 size
= (size
* 2 / 3) & ~1;
1235 else if (fio_flags
& FIO_UCS4
)
1236 size
= (size
* 2 / 3) & ~3;
1237 else if (fio_flags
== FIO_UCSBOM
)
1238 size
= size
/ ICONV_MULT
; /* worst case */
1240 else if (fio_flags
& FIO_CODEPAGE
)
1241 size
= size
/ ICONV_MULT
; /* also worst case */
1244 else if (fio_flags
& FIO_MACROMAN
)
1245 size
= size
/ ICONV_MULT
; /* also worst case */
1250 if (conv_restlen
> 0)
1252 /* Insert unconverted bytes from previous line. */
1253 mch_memmove(ptr
, conv_rest
, conv_restlen
);
1254 ptr
+= conv_restlen
;
1255 size
-= conv_restlen
;
1262 * Read bytes from curbuf. Used for converting text read
1265 if (read_buf_lnum
> from
)
1275 p
= ml_get(read_buf_lnum
) + read_buf_col
;
1277 if ((int)tlen
+ n
+ 1 > size
)
1279 /* Filled up to "size", append partial line.
1280 * Change NL to NUL to reverse the effect done
1282 n
= (int)(size
- tlen
);
1283 for (ni
= 0; ni
< n
; ++ni
)
1288 ptr
[tlen
++] = p
[ni
];
1295 /* Append whole line and new-line. Change NL
1296 * to NUL to reverse the effect done below. */
1297 for (ni
= 0; ni
< n
; ++ni
)
1302 ptr
[tlen
++] = p
[ni
];
1306 if (++read_buf_lnum
> from
)
1308 /* When the last line didn't have an
1309 * end-of-line don't add it now either. */
1310 if (!curbuf
->b_p_eol
)
1322 * Read bytes from the file.
1324 size
= vim_read(fd
, ptr
, size
);
1329 if (size
< 0) /* read error */
1332 else if (conv_restlen
> 0)
1335 * Reached end-of-file but some trailing bytes could
1336 * not be converted. Truncated file?
1339 /* When we did a conversion report an error. */
1342 || iconv_fd
!= (iconv_t
)-1
1346 if (conv_error
== 0)
1347 conv_error
= curbuf
->b_ml
.ml_line_count
1350 /* Remember the first linenr with an illegal byte */
1351 else if (illegal_byte
== 0)
1352 illegal_byte
= curbuf
->b_ml
.ml_line_count
1354 if (bad_char_behavior
== BAD_DROP
)
1356 *(ptr
- conv_restlen
) = NUL
;
1361 /* Replace the trailing bytes with the replacement
1362 * character if we were converting; if we weren't,
1363 * leave the UTF8 checking code to do it, as it
1364 * works slightly differently. */
1365 if (bad_char_behavior
!= BAD_KEEP
&& (fio_flags
!= 0
1367 || iconv_fd
!= (iconv_t
)-1
1371 while (conv_restlen
> 0)
1373 *(--ptr
) = bad_char_behavior
;
1377 fio_flags
= 0; /* don't convert this */
1379 if (iconv_fd
!= (iconv_t
)-1)
1381 iconv_close(iconv_fd
);
1382 iconv_fd
= (iconv_t
)-1;
1392 * At start of file: Check for magic number of encryption.
1395 cryptkey
= check_for_cryptkey(cryptkey
, ptr
, &size
,
1396 &filesize
, newfile
);
1398 * Decrypt the read bytes.
1400 if (cryptkey
!= NULL
&& size
> 0)
1401 for (p
= ptr
; p
< ptr
+ size
; ++p
)
1409 * At start of file (or after crypt magic number): Check for BOM.
1410 * Also check for a BOM for other Unicode encodings, but not after
1411 * converting with 'charconvert' or when a BOM has already been
1416 || (filesize
== CRYPT_MAGIC_LEN
&& cryptkey
!= NULL
)
1419 && (fio_flags
== FIO_UCSBOM
1420 || (!curbuf
->b_p_bomb
1422 && (*fenc
== 'u' || (*fenc
== NUL
&& enc_utf8
)))))
1427 /* no BOM detection in a short file or in binary mode */
1428 if (size
< 2 || curbuf
->b_p_bin
)
1431 ccname
= check_for_bom(ptr
, size
, &blen
,
1432 fio_flags
== FIO_UCSBOM
? FIO_ALL
: get_fio_flags(fenc
));
1435 /* Remove BOM from the text */
1438 mch_memmove(ptr
, ptr
+ blen
, (size_t)size
);
1441 curbuf
->b_p_bomb
= TRUE
;
1442 curbuf
->b_start_bomb
= TRUE
;
1446 if (fio_flags
== FIO_UCSBOM
)
1450 /* No BOM detected: retry with next encoding. */
1451 advance_fenc
= TRUE
;
1455 /* BOM detected: set "fenc" and jump back */
1459 fenc_alloced
= FALSE
;
1461 /* retry reading without getting new bytes or rewinding */
1467 /* Include not converted bytes. */
1468 ptr
-= conv_restlen
;
1469 size
+= conv_restlen
;
1473 * Break here for a read error or end-of-file.
1481 if (iconv_fd
!= (iconv_t
)-1)
1484 * Attempt conversion of the read bytes to 'encoding' using
1492 fromp
= (char *)ptr
;
1496 to_size
= real_size
- size
;
1499 * If there is conversion error or not enough room try using
1500 * another conversion. Except for when there is no
1501 * alternative (help files).
1503 while ((iconv(iconv_fd
, (void *)&fromp
, &from_size
,
1505 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
1506 || from_size
> CONV_RESTLEN
)
1510 if (conv_error
== 0)
1511 conv_error
= readfile_linenr(linecnt
,
1512 ptr
, (char_u
*)top
);
1514 /* Deal with a bad byte and continue with the next. */
1517 if (bad_char_behavior
== BAD_KEEP
)
1519 *top
++ = *(fromp
- 1);
1522 else if (bad_char_behavior
!= BAD_DROP
)
1524 *top
++ = bad_char_behavior
;
1531 /* Some remaining characters, keep them for the next
1533 mch_memmove(conv_rest
, (char_u
*)fromp
, from_size
);
1534 conv_restlen
= (int)from_size
;
1537 /* move the linerest to before the converted characters */
1538 line_start
= ptr
- linerest
;
1539 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1540 size
= (long)((char_u
*)top
- ptr
);
1545 if (fio_flags
& FIO_CODEPAGE
)
1550 int codepage
= FIO_GET_CP(fio_flags
);
1556 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or
1557 * a codepage, using standard MS-Windows functions. This
1558 * requires two steps:
1559 * 1. convert from 'fileencoding' to ucs-2
1560 * 2. convert from ucs-2 to 'encoding'
1562 * Because there may be illegal bytes AND an incomplete byte
1563 * sequence at the end, we may have to do the conversion one
1564 * character at a time to get it right.
1567 /* Replacement string for WideCharToMultiByte(). */
1568 if (bad_char_behavior
> 0)
1569 replstr
[0] = bad_char_behavior
;
1575 * Move the bytes to the end of the buffer, so that we have
1576 * room to put the result at the start.
1578 src
= ptr
+ real_size
- size
;
1579 mch_memmove(src
, ptr
, size
);
1582 * Do the conversion.
1590 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
1591 if (codepage
== CP_UTF8
)
1593 /* Handle CP_UTF8 input ourselves to be able to handle
1594 * trailing bytes properly.
1595 * Get one UTF-8 character from src. */
1596 bytelen
= (int)utf_ptr2len_len(src
, size
);
1599 /* Only got some bytes of a character. Normally
1600 * it's put in "conv_rest", but if it's too long
1601 * deal with it as if they were illegal bytes. */
1602 if (bytelen
<= CONV_RESTLEN
)
1605 /* weird overlong byte sequence */
1611 int u8c
= utf_ptr2char(src
);
1613 if (u8c
> 0xffff || (*src
>= 0x80 && bytelen
== 1))
1622 /* We don't know how long the byte sequence is, try
1623 * from one to three bytes. */
1624 for (bytelen
= 1; bytelen
<= size
&& bytelen
<= 3;
1627 ucs2len
= MultiByteToWideChar(codepage
,
1628 MB_ERR_INVALID_CHARS
,
1629 (LPCSTR
)src
, bytelen
,
1636 /* If we have only one byte then it's probably an
1637 * incomplete byte sequence. Otherwise discard
1638 * one byte as a bad character. */
1650 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */
1653 /* From UCS-2 to UTF-8. Cannot fail. */
1654 for (i
= 0; i
< ucs2len
; ++i
)
1655 dst
+= utf_char2bytes(ucs2buf
[i
], dst
);
1662 /* From UCS-2 to "enc_codepage". If the
1663 * conversion uses the default character "?",
1664 * the data doesn't fit in this encoding. */
1665 dstlen
= WideCharToMultiByte(enc_codepage
, 0,
1666 (LPCWSTR
)ucs2buf
, ucs2len
,
1667 (LPSTR
)dst
, (int)(src
- dst
),
1678 /* Deal with bytes we can't convert. */
1681 if (conv_error
== 0)
1682 conv_error
= readfile_linenr(linecnt
, ptr
, dst
);
1683 if (bad_char_behavior
!= BAD_DROP
)
1685 if (bad_char_behavior
== BAD_KEEP
)
1687 mch_memmove(dst
, src
, bytelen
);
1691 *dst
++ = bad_char_behavior
;
1701 /* An incomplete byte sequence remaining. */
1702 mch_memmove(conv_rest
, src
, size
);
1703 conv_restlen
= size
;
1706 /* The new size is equal to how much "dst" was advanced. */
1707 size
= (long)(dst
- ptr
);
1711 # ifdef MACOS_CONVERT
1712 if (fio_flags
& FIO_MACROMAN
)
1715 * Conversion from Apple MacRoman char encoding to UTF-8 or
1716 * latin1. This is in os_mac_conv.c.
1718 if (macroman2enc(ptr
, &size
, real_size
) == FAIL
)
1727 char_u
*tail
= NULL
;
1730 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8.
1731 * "enc_utf8" not set: Convert Unicode to Latin1.
1732 * Go from end to start through the buffer, because the number
1733 * of bytes may increase.
1734 * "dest" points to after where the UTF-8 bytes go, "p" points
1735 * to after the next character to convert.
1737 dest
= ptr
+ real_size
;
1738 if (fio_flags
== FIO_LATIN1
|| fio_flags
== FIO_UTF8
)
1741 if (fio_flags
== FIO_UTF8
)
1743 /* Check for a trailing incomplete UTF-8 sequence */
1744 tail
= ptr
+ size
- 1;
1745 while (tail
> ptr
&& (*tail
& 0xc0) == 0x80)
1747 if (tail
+ utf_byte2len(*tail
) <= ptr
+ size
)
1753 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1755 /* Check for a trailing byte */
1756 p
= ptr
+ (size
& ~1);
1759 if ((fio_flags
& FIO_UTF16
) && p
> ptr
)
1761 /* Check for a trailing leading word */
1762 if (fio_flags
& FIO_ENDIAN_L
)
1772 if (u8c
>= 0xd800 && u8c
<= 0xdbff)
1780 /* Check for trailing 1, 2 or 3 bytes */
1781 p
= ptr
+ (size
& ~3);
1786 /* If there is a trailing incomplete sequence move it to
1790 conv_restlen
= (int)((ptr
+ size
) - tail
);
1791 mch_memmove(conv_rest
, (char_u
*)tail
, conv_restlen
);
1792 size
-= conv_restlen
;
1798 if (fio_flags
& FIO_LATIN1
)
1800 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1802 if (fio_flags
& FIO_ENDIAN_L
)
1812 if ((fio_flags
& FIO_UTF16
)
1813 && u8c
>= 0xdc00 && u8c
<= 0xdfff)
1819 /* Missing leading word. */
1822 if (conv_error
== 0)
1823 conv_error
= readfile_linenr(linecnt
,
1825 if (bad_char_behavior
== BAD_DROP
)
1827 if (bad_char_behavior
!= BAD_KEEP
)
1828 u8c
= bad_char_behavior
;
1831 /* found second word of double-word, get the first
1832 * word and compute the resulting character */
1833 if (fio_flags
& FIO_ENDIAN_L
)
1841 u16c
+= (*--p
<< 8);
1843 u8c
= 0x10000 + ((u16c
& 0x3ff) << 10)
1846 /* Check if the word is indeed a leading word. */
1847 if (u16c
< 0xd800 || u16c
> 0xdbff)
1851 if (conv_error
== 0)
1852 conv_error
= readfile_linenr(linecnt
,
1854 if (bad_char_behavior
== BAD_DROP
)
1856 if (bad_char_behavior
!= BAD_KEEP
)
1857 u8c
= bad_char_behavior
;
1861 else if (fio_flags
& FIO_UCS4
)
1863 if (fio_flags
& FIO_ENDIAN_L
)
1866 u8c
+= (*--p
<< 16);
1870 else /* big endian */
1874 u8c
+= (*--p
<< 16);
1875 u8c
+= (*--p
<< 24);
1884 len
= utf_head_off(ptr
, p
);
1886 u8c
= utf_ptr2char(p
);
1889 /* Not a valid UTF-8 character, retry with
1890 * another fenc when possible, otherwise just
1891 * report the error. */
1894 if (conv_error
== 0)
1895 conv_error
= readfile_linenr(linecnt
,
1897 if (bad_char_behavior
== BAD_DROP
)
1899 if (bad_char_behavior
!= BAD_KEEP
)
1900 u8c
= bad_char_behavior
;
1904 if (enc_utf8
) /* produce UTF-8 */
1906 dest
-= utf_char2len(u8c
);
1907 (void)utf_char2bytes(u8c
, dest
);
1909 else /* produce Latin1 */
1914 /* character doesn't fit in latin1, retry with
1915 * another fenc when possible, otherwise just
1916 * report the error. */
1919 if (conv_error
== 0)
1920 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
1921 if (bad_char_behavior
== BAD_DROP
)
1923 else if (bad_char_behavior
== BAD_KEEP
)
1925 else if (eap
!= NULL
&& eap
->bad_char
!= 0)
1926 *dest
= bad_char_behavior
;
1935 /* move the linerest to before the converted characters */
1936 line_start
= dest
- linerest
;
1937 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1938 size
= (long)((ptr
+ real_size
) - dest
);
1941 else if (enc_utf8
&& !curbuf
->b_p_bin
)
1943 int incomplete_tail
= FALSE
;
1945 /* Reading UTF-8: Check if the bytes are valid UTF-8. */
1946 for (p
= ptr
; ; ++p
)
1948 int todo
= (int)((ptr
+ size
) - p
);
1955 /* A length of 1 means it's an illegal byte. Accept
1956 * an incomplete character at the end though, the next
1957 * read() will get the next bytes, we'll check it
1959 l
= utf_ptr2len_len(p
, todo
);
1960 if (l
> todo
&& !incomplete_tail
)
1962 /* Avoid retrying with a different encoding when
1963 * a truncated file is more likely, or attempting
1964 * to read the rest of an incomplete sequence when
1965 * we have already done so. */
1966 if (p
> ptr
|| filesize
> 0)
1967 incomplete_tail
= TRUE
;
1968 /* Incomplete byte sequence, move it to conv_rest[]
1969 * and try to read the rest of it, unless we've
1970 * already done so. */
1973 conv_restlen
= todo
;
1974 mch_memmove(conv_rest
, p
, conv_restlen
);
1975 size
-= conv_restlen
;
1979 if (l
== 1 || l
> todo
)
1981 /* Illegal byte. If we can try another encoding
1982 * do that, unless at EOF where a truncated
1983 * file is more likely than a conversion error. */
1984 if (can_retry
&& !incomplete_tail
)
1987 /* When we did a conversion report an error. */
1988 if (iconv_fd
!= (iconv_t
)-1 && conv_error
== 0)
1989 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
1991 /* Remember the first linenr with an illegal byte */
1992 if (conv_error
== 0 && illegal_byte
== 0)
1993 illegal_byte
= readfile_linenr(linecnt
, ptr
, p
);
1995 /* Drop, keep or replace the bad byte. */
1996 if (bad_char_behavior
== BAD_DROP
)
1998 mch_memmove(p
, p
+ 1, todo
- 1);
2002 else if (bad_char_behavior
!= BAD_KEEP
)
2003 *p
= bad_char_behavior
;
2009 if (p
< ptr
+ size
&& !incomplete_tail
)
2011 /* Detected a UTF-8 error. */
2013 /* Retry reading with another conversion. */
2014 # if defined(FEAT_EVAL) && defined(USE_ICONV)
2015 if (*p_ccv
!= NUL
&& iconv_fd
!= (iconv_t
)-1)
2016 /* iconv() failed, try 'charconvert' */
2020 /* use next item from 'fileencodings' */
2021 advance_fenc
= TRUE
;
2028 /* count the number of characters (after conversion!) */
2032 * when reading the first part of a file: guess EOL type
2034 if (fileformat
== EOL_UNKNOWN
)
2036 /* First try finding a NL, for Dos and Unix */
2037 if (try_dos
|| try_unix
)
2039 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2044 || (try_dos
&& p
> ptr
&& p
[-1] == CAR
))
2045 fileformat
= EOL_DOS
;
2047 fileformat
= EOL_UNIX
;
2052 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */
2053 if (fileformat
== EOL_UNIX
&& try_mac
)
2055 /* Need to reset the counters when retrying fenc. */
2058 for (; p
>= ptr
&& *p
!= CAR
; p
--)
2062 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2069 if (try_mac
> try_unix
)
2070 fileformat
= EOL_MAC
;
2075 /* No NL found: may use Mac format */
2076 if (fileformat
== EOL_UNKNOWN
&& try_mac
)
2077 fileformat
= EOL_MAC
;
2079 /* Still nothing found? Use first format in 'ffs' */
2080 if (fileformat
== EOL_UNKNOWN
)
2081 fileformat
= default_fileformat();
2083 /* if editing a new file: may set p_tx and p_ff */
2085 set_fileformat(fileformat
, OPT_LOCAL
);
2090 * This loop is executed once for every character read.
2093 if (fileformat
== EOL_MAC
)
2096 while (++ptr
, --size
>= 0)
2098 /* catch most common case first */
2099 if ((c
= *ptr
) != NUL
&& c
!= CAR
&& c
!= NL
)
2102 *ptr
= NL
; /* NULs are replaced by newlines! */
2104 *ptr
= CAR
; /* NLs are replaced by CRs! */
2107 if (skip_count
== 0)
2109 *ptr
= NUL
; /* end of line */
2110 len
= (colnr_T
) (ptr
- line_start
+ 1);
2111 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2117 if (--read_count
== 0)
2119 error
= TRUE
; /* break loop */
2120 line_start
= ptr
; /* nothing left to write */
2126 line_start
= ptr
+ 1;
2133 while (++ptr
, --size
>= 0)
2135 if ((c
= *ptr
) != NUL
&& c
!= NL
) /* catch most common case */
2138 *ptr
= NL
; /* NULs are replaced by newlines! */
2141 if (skip_count
== 0)
2143 *ptr
= NUL
; /* end of line */
2144 len
= (colnr_T
)(ptr
- line_start
+ 1);
2145 if (fileformat
== EOL_DOS
)
2147 if (ptr
[-1] == CAR
) /* remove CR */
2153 * Reading in Dos format, but no CR-LF found!
2154 * When 'fileformats' includes "unix", delete all
2155 * the lines read so far and start all over again.
2156 * Otherwise give an error message later.
2158 else if (ff_error
!= EOL_DOS
)
2163 || lseek(fd
, (off_t
)0L, SEEK_SET
) == 0))
2165 fileformat
= EOL_UNIX
;
2167 set_fileformat(EOL_UNIX
, OPT_LOCAL
);
2169 keep_fileformat
= TRUE
;
2175 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2181 if (--read_count
== 0)
2183 error
= TRUE
; /* break loop */
2184 line_start
= ptr
; /* nothing left to write */
2190 line_start
= ptr
+ 1;
2194 linerest
= (long)(ptr
- line_start
);
2199 /* not an error, max. number of lines reached */
2200 if (error
&& read_count
== 0)
2204 * If we get EOF in the middle of a line, note the fact and
2205 * complete the line ourselves.
2206 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set.
2211 && !(!curbuf
->b_p_bin
2212 && fileformat
== EOL_DOS
2213 && *line_start
== Ctrl_Z
2214 && ptr
== line_start
+ 1))
2216 /* remember for when writing */
2218 curbuf
->b_p_eol
= FALSE
;
2220 if (ml_append(lnum
, line_start
,
2221 (colnr_T
)(ptr
- line_start
+ 1), newfile
) == FAIL
)
2224 read_no_eol_lnum
= ++lnum
;
2228 save_file_ff(curbuf
); /* remember the current file format */
2231 if (cryptkey
!= curbuf
->b_p_key
)
2236 /* If editing a new file: set 'fenc' for the current buffer.
2237 * Also for ":read ++edit file". */
2239 set_string_option_direct((char_u
*)"fenc", -1, fenc
,
2240 OPT_FREE
|OPT_LOCAL
, 0);
2244 if (iconv_fd
!= (iconv_t
)-1)
2246 iconv_close(iconv_fd
);
2247 iconv_fd
= (iconv_t
)-1;
2252 if (!read_buffer
&& !read_stdin
)
2253 close(fd
); /* errors are ignored */
2259 /* Use stderr for stdin, makes shell commands work. */
2266 if (tmpname
!= NULL
)
2268 mch_remove(tmpname
); /* delete converted file */
2272 --no_wait_return
; /* may wait for return now */
2275 * In recovery mode everything but autocommands is skipped.
2279 /* need to delete the last line, which comes from the empty buffer */
2280 if (newfile
&& wasempty
&& !(curbuf
->b_ml
.ml_flags
& ML_EMPTY
))
2282 #ifdef FEAT_NETBEANS_INTG
2283 netbeansFireChanges
= 0;
2285 ml_delete(curbuf
->b_ml
.ml_line_count
, FALSE
);
2286 #ifdef FEAT_NETBEANS_INTG
2287 netbeansFireChanges
= 1;
2291 linecnt
= curbuf
->b_ml
.ml_line_count
- linecnt
;
2294 if (newfile
|| read_buffer
)
2296 redraw_curbuf_later(NOT_VALID
);
2298 /* After reading the text into the buffer the diff info needs to
2300 diff_invalidate(curbuf
);
2303 /* All folds in the window are invalid now. Mark them for update
2304 * before triggering autocommands. */
2305 foldUpdateAll(curwin
);
2308 else if (linecnt
) /* appended at least one line */
2309 appended_lines_mark(from
, linecnt
);
2311 #ifndef ALWAYS_USE_GUI
2313 * If we were reading from the same terminal as where messages go,
2314 * the screen will have been messed up.
2315 * Switch on raw mode now and clear the screen.
2319 settmode(TMODE_RAW
); /* set to raw mode */
2327 if (!(flags
& READ_DUMMY
))
2329 filemess(curbuf
, sfname
, (char_u
*)_(e_interr
), 0);
2331 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
2333 msg_scroll
= msg_save
;
2337 return OK
; /* an interrupt isn't really an error */
2340 if (!filtering
&& !(flags
& READ_DUMMY
))
2342 msg_add_fname(curbuf
, sfname
); /* fname in IObuff with quotes */
2347 if (S_ISFIFO(perm
)) /* fifo or socket */
2349 STRCAT(IObuff
, _("[fifo/socket]"));
2354 if ((perm
& S_IFMT
) == S_IFIFO
) /* fifo */
2356 STRCAT(IObuff
, _("[fifo]"));
2361 if ((perm
& S_IFMT
) == S_IFSOCK
) /* or socket */
2363 STRCAT(IObuff
, _("[socket]"));
2368 # ifdef OPEN_CHR_FILES
2369 if (S_ISCHR(perm
)) /* or character special */
2371 STRCAT(IObuff
, _("[character special]"));
2378 STRCAT(IObuff
, shortmess(SHM_RO
) ? _("[RO]") : _("[readonly]"));
2381 if (read_no_eol_lnum
)
2386 if (ff_error
== EOL_DOS
)
2388 STRCAT(IObuff
, _("[CR missing]"));
2393 STRCAT(IObuff
, _("[long lines split]"));
2399 STRCAT(IObuff
, _("[NOT converted]"));
2404 STRCAT(IObuff
, _("[converted]"));
2409 if (cryptkey
!= NULL
)
2411 STRCAT(IObuff
, _("[crypted]"));
2416 if (conv_error
!= 0)
2418 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2419 _("[CONVERSION ERROR in line %ld]"), (long)conv_error
);
2422 else if (illegal_byte
> 0)
2424 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2425 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte
);
2432 STRCAT(IObuff
, _("[READ ERRORS]"));
2435 if (msg_add_fileformat(fileformat
))
2438 if (cryptkey
!= NULL
)
2439 msg_add_lines(c
, (long)linecnt
, filesize
- CRYPT_MAGIC_LEN
);
2442 msg_add_lines(c
, (long)linecnt
, filesize
);
2446 msg_scrolled_ign
= TRUE
;
2447 #ifdef ALWAYS_USE_GUI
2448 /* Don't show the message when reading stdin, it would end up in a
2449 * message box (which might be shown when exiting!) */
2450 if (read_stdin
|| read_buffer
)
2451 p
= msg_may_trunc(FALSE
, IObuff
);
2454 p
= msg_trunc_attr(IObuff
, FALSE
, 0);
2455 if (read_stdin
|| read_buffer
|| restart_edit
!= 0
2456 || (msg_scrolled
!= 0 && !need_wait_return
))
2457 /* Need to repeat the message after redrawing when:
2458 * - When reading from stdin (the screen will be cleared next).
2459 * - When restart_edit is set (otherwise there will be a delay
2460 * before redrawing).
2461 * - When the screen was scrolled but there is no wait-return
2464 msg_scrolled_ign
= FALSE
;
2467 /* with errors writing the file requires ":w!" */
2468 if (newfile
&& (error
2471 || (illegal_byte
> 0 && bad_char_behavior
!= BAD_KEEP
)
2474 curbuf
->b_p_ro
= TRUE
;
2476 u_clearline(); /* cannot use "U" command after adding lines */
2479 * In Ex mode: cursor at last new line.
2480 * Otherwise: cursor at first new line.
2483 curwin
->w_cursor
.lnum
= from
+ linecnt
;
2485 curwin
->w_cursor
.lnum
= from
+ 1;
2486 check_cursor_lnum();
2487 beginline(BL_WHITE
| BL_FIX
); /* on first non-blank */
2490 * Set '[ and '] marks to the newly read lines.
2492 curbuf
->b_op_start
.lnum
= from
+ 1;
2493 curbuf
->b_op_start
.col
= 0;
2494 curbuf
->b_op_end
.lnum
= from
+ linecnt
;
2495 curbuf
->b_op_end
.col
= 0;
2499 * Work around a weird problem: When a file has two links (only
2500 * possible on NTFS) and we write through one link, then stat() it
2501 * through the other link, the timestamp information may be wrong.
2502 * It's correct again after reading the file, thus reset the timestamp
2505 if (newfile
&& !read_stdin
&& !read_buffer
2506 && mch_stat((char *)fname
, &st
) >= 0)
2508 buf_store_time(curbuf
, &st
, fname
);
2509 curbuf
->b_mtime_read
= curbuf
->b_mtime
;
2513 msg_scroll
= msg_save
;
2517 * Get the marks before executing autocommands, so they can be used there.
2523 * Trick: We remember if the last line of the read didn't have
2524 * an eol for when writing it again. This is required for
2525 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work.
2527 write_no_eol_lnum
= read_no_eol_lnum
;
2530 if (!read_stdin
&& !read_buffer
)
2533 int n
= msg_scrolled
;
2535 /* Save the fileformat now, otherwise the buffer will be considered
2536 * modified if the format/encoding was automatically detected. */
2538 save_file_ff(curbuf
);
2541 * The output from the autocommands should not overwrite anything and
2542 * should not be overwritten: Set msg_scroll, restore its value if no
2547 apply_autocmds_exarg(EVENT_FILTERREADPOST
, NULL
, sfname
,
2548 FALSE
, curbuf
, eap
);
2550 apply_autocmds_exarg(EVENT_BUFREADPOST
, NULL
, sfname
,
2551 FALSE
, curbuf
, eap
);
2553 apply_autocmds_exarg(EVENT_FILEREADPOST
, sfname
, sfname
,
2555 if (msg_scrolled
== n
)
2558 if (aborting()) /* autocmds may abort script processing */
2564 if (recoverymode
&& error
)
2569 #ifdef OPEN_CHR_FILES
2571 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+",
2572 * which is the name of files used for process substitution output by
2573 * some shells on some operating systems, e.g., bash on SunOS.
2574 * Do not accept "/dev/fd/[012]", opening these may hang Vim.
2577 is_dev_fd_file(fname
)
2580 return (STRNCMP(fname
, "/dev/fd/", 8) == 0
2581 && VIM_ISDIGIT(fname
[8])
2582 && *skipdigits(fname
+ 9) == NUL
2584 || (fname
[8] != '0' && fname
[8] != '1' && fname
[8] != '2')));
2591 * From the current line count and characters read after that, estimate the
2592 * line number where we are now.
2593 * Used for error messages that include a line number.
2596 readfile_linenr(linecnt
, p
, endp
)
2597 linenr_T linecnt
; /* line count before reading more bytes */
2598 char_u
*p
; /* start of more bytes read */
2599 char_u
*endp
; /* end of more bytes read */
2604 lnum
= curbuf
->b_ml
.ml_line_count
- linecnt
+ 1;
2605 for (s
= p
; s
< endp
; ++s
)
2613 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be
2614 * equal to the buffer "buf". Used for calling readfile().
2615 * Returns OK or FAIL.
2618 prep_exarg(eap
, buf
)
2622 eap
->cmd
= alloc((unsigned)(STRLEN(buf
->b_p_ff
)
2624 + STRLEN(buf
->b_p_fenc
)
2627 if (eap
->cmd
== NULL
)
2631 sprintf((char *)eap
->cmd
, "e ++ff=%s ++enc=%s", buf
->b_p_ff
, buf
->b_p_fenc
);
2632 eap
->force_enc
= 14 + (int)STRLEN(buf
->b_p_ff
);
2633 eap
->bad_char
= buf
->b_bad_char
;
2635 sprintf((char *)eap
->cmd
, "e ++ff=%s", buf
->b_p_ff
);
2639 eap
->force_bin
= buf
->b_p_bin
? FORCE_BIN
: FORCE_NOBIN
;
2640 eap
->read_edit
= FALSE
;
2641 eap
->forceit
= FALSE
;
2647 * Find next fileencoding to use from 'fileencodings'.
2648 * "pp" points to fenc_next. It's advanced to the next item.
2649 * When there are no more items, an empty string is returned and *pp is set to
2651 * When *pp is not set to NULL, the result is in allocated memory.
2663 return (char_u
*)"";
2665 p
= vim_strchr(*pp
, ',');
2668 r
= enc_canonize(*pp
);
2673 r
= vim_strnsave(*pp
, (int)(p
- *pp
));
2677 p
= enc_canonize(r
);
2682 if (r
== NULL
) /* out of memory */
2692 * Convert a file with the 'charconvert' expression.
2693 * This closes the file which is to be read, converts it and opens the
2694 * resulting file for reading.
2695 * Returns name of the resulting converted file (the caller should delete it
2696 * after reading it).
2697 * Returns NULL if the conversion failed ("*fdp" is not set) .
2700 readfile_charconvert(fname
, fenc
, fdp
)
2701 char_u
*fname
; /* name of input file */
2702 char_u
*fenc
; /* converted from */
2703 int *fdp
; /* in/out: file descriptor of file */
2706 char_u
*errmsg
= NULL
;
2708 tmpname
= vim_tempname('r');
2709 if (tmpname
== NULL
)
2710 errmsg
= (char_u
*)_("Can't find temp file for conversion");
2713 close(*fdp
); /* close the input file, ignore errors */
2715 if (eval_charconvert(fenc
, enc_utf8
? (char_u
*)"utf-8" : p_enc
,
2716 fname
, tmpname
) == FAIL
)
2717 errmsg
= (char_u
*)_("Conversion with 'charconvert' failed");
2718 if (errmsg
== NULL
&& (*fdp
= mch_open((char *)tmpname
,
2719 O_RDONLY
| O_EXTRA
, 0)) < 0)
2720 errmsg
= (char_u
*)_("can't read output of 'charconvert'");
2725 /* Don't use emsg(), it breaks mappings, the retry with
2726 * another type of conversion might still work. */
2728 if (tmpname
!= NULL
)
2730 mch_remove(tmpname
); /* delete converted file */
2736 /* If the input file is closed, open it (caller should check for error). */
2738 *fdp
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
2748 * Read marks for the current buffer from the viminfo file, when we support
2749 * buffer marks and the buffer has a name.
2754 if (!curbuf
->b_marks_read
&& get_viminfo_parameter('\'') > 0
2755 && curbuf
->b_ffname
!= NULL
)
2756 read_viminfo(NULL
, VIF_WANT_MARKS
);
2758 /* Always set b_marks_read; needed when 'viminfo' is changed to include
2759 * the ' parameter after opening a buffer. */
2760 curbuf
->b_marks_read
= TRUE
;
2766 * Check for magic number used for encryption.
2767 * If found, the magic number is removed from ptr[*sizep] and *sizep and
2768 * *filesizep are updated.
2769 * Return the (new) encryption key, NULL for no encryption.
2772 check_for_cryptkey(cryptkey
, ptr
, sizep
, filesizep
, newfile
)
2773 char_u
*cryptkey
; /* previous encryption key or NULL */
2774 char_u
*ptr
; /* pointer to read bytes */
2775 long *sizep
; /* length of read bytes */
2776 long *filesizep
; /* nr of bytes used from file */
2777 int newfile
; /* editing a new buffer */
2779 if (*sizep
>= CRYPT_MAGIC_LEN
2780 && STRNCMP(ptr
, CRYPT_MAGIC
, CRYPT_MAGIC_LEN
) == 0)
2782 if (cryptkey
== NULL
)
2784 if (*curbuf
->b_p_key
)
2785 cryptkey
= curbuf
->b_p_key
;
2788 /* When newfile is TRUE, store the typed key
2789 * in the 'key' option and don't free it. */
2790 cryptkey
= get_crypt_key(newfile
, FALSE
);
2791 /* check if empty key entered */
2792 if (cryptkey
!= NULL
&& *cryptkey
== NUL
)
2794 if (cryptkey
!= curbuf
->b_p_key
)
2801 if (cryptkey
!= NULL
)
2803 crypt_init_keys(cryptkey
);
2805 /* Remove magic number from the text */
2806 *filesizep
+= CRYPT_MAGIC_LEN
;
2807 *sizep
-= CRYPT_MAGIC_LEN
;
2808 mch_memmove(ptr
, ptr
+ CRYPT_MAGIC_LEN
, (size_t)*sizep
);
2811 /* When starting to edit a new file which does not have
2812 * encryption, clear the 'key' option, except when
2813 * starting up (called with -x argument) */
2814 else if (newfile
&& *curbuf
->b_p_key
&& !starting
)
2815 set_option_value((char_u
*)"key", 0L, (char_u
*)"", OPT_LOCAL
);
2823 set_file_time(fname
, atime
, mtime
)
2825 time_t atime
; /* access time */
2826 time_t mtime
; /* modification time */
2828 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
2832 buf
.modtime
= mtime
;
2833 (void)utime((char *)fname
, &buf
);
2835 # if defined(HAVE_UTIMES)
2836 struct timeval tvp
[2];
2838 tvp
[0].tv_sec
= atime
;
2840 tvp
[1].tv_sec
= mtime
;
2843 (void)utimes((char *)fname
, tvp
);
2845 (void)utimes((char *)fname
, (const struct timeval
*)&tvp
);
2852 #if defined(VMS) && !defined(MIN)
2853 /* Older DECC compiler for VAX doesn't define MIN() */
2854 # define MIN(a, b) ((a) < (b) ? (a) : (b))
2858 * Return TRUE if a file appears to be read-only from the file permissions.
2861 check_file_readonly(fname
, perm
)
2862 char_u
*fname
; /* full path to file */
2863 int perm
; /* known permissions on file */
2865 #ifndef USE_MCH_ACCESS
2870 #ifdef USE_MCH_ACCESS
2872 (perm
& 0222) == 0 ||
2874 mch_access((char *)fname
, W_OK
)
2876 (fd
= mch_open((char *)fname
, O_RDWR
| O_EXTRA
, 0)) < 0
2877 ? TRUE
: (close(fd
), FALSE
)
2884 * buf_write() - write to file "fname" lines "start" through "end"
2886 * We do our own buffering here because fwrite() is so slow.
2888 * If "forceit" is true, we don't care for errors when attempting backups.
2889 * In case of an error everything possible is done to restore the original
2890 * file. But when "forceit" is TRUE, we risk losing it.
2892 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and
2893 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
2895 * This function must NOT use NameBuff (because it's called by autowrite()).
2897 * return FAIL for failure, OK otherwise
2900 buf_write(buf
, fname
, sfname
, start
, end
, eap
, append
, forceit
,
2901 reset_changed
, filtering
)
2905 linenr_T start
, end
;
2906 exarg_T
*eap
; /* for forced 'ff' and 'fenc', can be
2908 int append
; /* append to the file */
2914 char_u
*backup
= NULL
;
2915 int backup_copy
= FALSE
; /* copy the original file? */
2918 char_u
*wfname
= NULL
; /* name of file to write to */
2925 char_u
*errmsg
= NULL
;
2926 char_u
*errnum
= NULL
;
2928 char_u smallbuf
[SMBUFSIZE
];
2931 long perm
; /* file permissions */
2933 int newfile
= FALSE
; /* TRUE if file doesn't exist yet */
2934 int msg_save
= msg_scroll
;
2935 int overwriting
; /* TRUE if writing over original */
2936 int no_eol
= FALSE
; /* no end-of-line written */
2937 int device
= FALSE
; /* writing to a device */
2939 int prev_got_int
= got_int
;
2940 int file_readonly
= FALSE
; /* overwritten file is read-only */
2941 static char *err_readonly
= "is read-only (cannot override: \"W\" in 'cpoptions')";
2942 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */
2943 int made_writable
= FALSE
; /* 'w' bit has been set */
2945 /* writing everything */
2946 int whole
= (start
== 1 && end
== buf
->b_ml
.ml_line_count
);
2948 linenr_T old_line_count
= buf
->b_ml
.ml_line_count
;
2953 struct bw_info write_info
; /* info for buf_write_bytes() */
2955 int converted
= FALSE
;
2956 int notconverted
= FALSE
;
2957 char_u
*fenc
; /* effective 'fileencoding' */
2958 char_u
*fenc_tofree
= NULL
; /* allocated "fenc" */
2964 vim_acl_T acl
= NULL
; /* ACL copied from original file to
2965 backup or new file */
2968 if (fname
== NULL
|| *fname
== NUL
) /* safety check */
2972 * Disallow writing from .exrc and .vimrc in current directory for
2978 /* Avoid a crash for a long name. */
2979 if (STRLEN(fname
) >= MAXPATHL
)
2981 EMSG(_(e_longname
));
2986 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */
2987 write_info
.bw_conv_buf
= NULL
;
2988 write_info
.bw_conv_error
= FALSE
;
2989 write_info
.bw_restlen
= 0;
2991 write_info
.bw_iconv_fd
= (iconv_t
)-1;
2995 /* After writing a file changedtick changes but we don't want to display
2997 ex_no_reprint
= TRUE
;
3000 * If there is no file name yet, use the one for the written file.
3001 * BF_NOTEDITED is set to reflect this (in case the write fails).
3002 * Don't do this when the write is for a filter command.
3003 * Don't do this when appending.
3004 * Only do this when 'cpoptions' contains the 'F' flag.
3006 if (buf
->b_ffname
== NULL
3010 #ifdef FEAT_QUICKFIX
3014 && (!append
|| vim_strchr(p_cpo
, CPO_FNAMEAPP
) != NULL
)
3015 && vim_strchr(p_cpo
, CPO_FNAMEW
) != NULL
)
3017 if (set_rw_fname(fname
, sfname
) == FAIL
)
3019 buf
= curbuf
; /* just in case autocmds made "buf" invalid */
3025 * For Unix: Use the short file name whenever possible.
3026 * Avoids problems with networks and when directory names are changed.
3027 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
3028 * another directory, which we don't detect
3030 ffname
= fname
; /* remember full fname */
3035 if (buf
->b_ffname
!= NULL
&& fnamecmp(ffname
, buf
->b_ffname
) == 0)
3038 overwriting
= FALSE
;
3041 settmode(TMODE_COOK
); /* when exiting allow typahead now */
3043 ++no_wait_return
; /* don't wait for return yet */
3046 * Set '[ and '] marks to the lines to be written.
3048 buf
->b_op_start
.lnum
= start
;
3049 buf
->b_op_start
.col
= 0;
3050 buf
->b_op_end
.lnum
= end
;
3051 buf
->b_op_end
.col
= 0;
3056 int buf_ffname
= FALSE
;
3057 int buf_sfname
= FALSE
;
3058 int buf_fname_f
= FALSE
;
3059 int buf_fname_s
= FALSE
;
3060 int did_cmd
= FALSE
;
3061 int nofile_err
= FALSE
;
3062 int empty_memline
= (buf
->b_ml
.ml_mfp
== NULL
);
3065 * Apply PRE aucocommands.
3066 * Set curbuf to the buffer to be written.
3067 * Careful: The autocommands may call buf_write() recursively!
3069 if (ffname
== buf
->b_ffname
)
3071 if (sfname
== buf
->b_sfname
)
3073 if (fname
== buf
->b_ffname
)
3075 if (fname
== buf
->b_sfname
)
3078 /* set curwin/curbuf to buf and save a few things */
3079 aucmd_prepbuf(&aco
, buf
);
3083 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEAPPENDCMD
,
3084 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3086 #ifdef FEAT_QUICKFIX
3087 if (overwriting
&& bt_nofile(curbuf
))
3091 apply_autocmds_exarg(EVENT_FILEAPPENDPRE
,
3092 sfname
, sfname
, FALSE
, curbuf
, eap
);
3097 apply_autocmds_exarg(EVENT_FILTERWRITEPRE
,
3098 NULL
, sfname
, FALSE
, curbuf
, eap
);
3100 else if (reset_changed
&& whole
)
3102 if (!(did_cmd
= apply_autocmds_exarg(EVENT_BUFWRITECMD
,
3103 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3105 #ifdef FEAT_QUICKFIX
3106 if (overwriting
&& bt_nofile(curbuf
))
3110 apply_autocmds_exarg(EVENT_BUFWRITEPRE
,
3111 sfname
, sfname
, FALSE
, curbuf
, eap
);
3116 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEWRITECMD
,
3117 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3119 #ifdef FEAT_QUICKFIX
3120 if (overwriting
&& bt_nofile(curbuf
))
3124 apply_autocmds_exarg(EVENT_FILEWRITEPRE
,
3125 sfname
, sfname
, FALSE
, curbuf
, eap
);
3129 /* restore curwin/curbuf and a few other things */
3130 aucmd_restbuf(&aco
);
3133 * In three situations we return here and don't write the file:
3134 * 1. the autocommands deleted or unloaded the buffer.
3135 * 2. The autocommands abort script processing.
3136 * 3. If one of the "Cmd" autocommands was executed.
3138 if (!buf_valid(buf
))
3140 if (buf
== NULL
|| (buf
->b_ml
.ml_mfp
== NULL
&& !empty_memline
)
3141 || did_cmd
|| nofile_err
3148 msg_scroll
= msg_save
;
3150 EMSG(_("E676: No matching autocommands for acwrite buffer"));
3157 /* An aborting error, interrupt or exception in the
3163 /* The buffer was deleted. We assume it was written
3164 * (can't retry anyway). */
3168 /* Assume the buffer was written, update the timestamp. */
3171 buf
->b_flags
&= ~BF_NEW
;
3173 buf
->b_flags
&= ~BF_WRITE_MASK
;
3175 if (reset_changed
&& buf
->b_changed
&& !append
3176 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
))
3177 /* Buffer still changed, the autocommands didn't work
3185 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written"));
3190 * The autocommands may have changed the number of lines in the file.
3191 * When writing the whole file, adjust the end.
3192 * When writing part of the file, assume that the autocommands only
3193 * changed the number of lines that are to be written (tricky!).
3195 if (buf
->b_ml
.ml_line_count
!= old_line_count
)
3197 if (whole
) /* write all */
3198 end
= buf
->b_ml
.ml_line_count
;
3199 else if (buf
->b_ml
.ml_line_count
> old_line_count
) /* more lines */
3200 end
+= buf
->b_ml
.ml_line_count
- old_line_count
;
3201 else /* less lines */
3203 end
-= old_line_count
- buf
->b_ml
.ml_line_count
;
3207 msg_scroll
= msg_save
;
3208 EMSG(_("E204: Autocommand changed number of lines in unexpected way"));
3215 * The autocommands may have changed the name of the buffer, which may
3216 * be kept in fname, ffname and sfname.
3219 ffname
= buf
->b_ffname
;
3221 sfname
= buf
->b_sfname
;
3223 fname
= buf
->b_ffname
;
3225 fname
= buf
->b_sfname
;
3229 #ifdef FEAT_NETBEANS_INTG
3230 if (usingNetbeans
&& isNetbeansBuffer(buf
))
3235 * b_changed can be 0 after an undo, but we still need to write
3236 * the buffer to NetBeans.
3238 if (buf
->b_changed
|| isNetbeansModified(buf
))
3240 --no_wait_return
; /* may wait for return now */
3241 msg_scroll
= msg_save
;
3242 netbeans_save_buffer(buf
); /* no error checking... */
3247 errnum
= (char_u
*)"E656: ";
3248 errmsg
= (char_u
*)_("NetBeans disallows writes of unmodified buffers");
3255 errnum
= (char_u
*)"E657: ";
3256 errmsg
= (char_u
*)_("Partial writes disallowed for NetBeans buffers");
3263 if (shortmess(SHM_OVER
) && !exiting
)
3264 msg_scroll
= FALSE
; /* overwrite previous file message */
3266 msg_scroll
= TRUE
; /* don't overwrite previous file message */
3274 (char_u
*)"", 0); /* show that we are busy */
3275 msg_scroll
= FALSE
; /* always overwrite the file message now */
3277 buffer
= alloc(BUFSIZE
);
3278 if (buffer
== NULL
) /* can't allocate big buffer, use small
3279 * one (to be able to write when out of
3283 bufsize
= SMBUFSIZE
;
3289 * Get information about original file (if there is one).
3291 #if defined(UNIX) && !defined(ARCHIE)
3295 if (mch_stat((char *)fname
, &st_old
) < 0)
3299 perm
= st_old
.st_mode
;
3300 if (!S_ISREG(st_old
.st_mode
)) /* not a file */
3302 if (S_ISDIR(st_old
.st_mode
))
3304 errnum
= (char_u
*)"E502: ";
3305 errmsg
= (char_u
*)_("is a directory");
3308 if (mch_nodetype(fname
) != NODE_WRITABLE
)
3310 errnum
= (char_u
*)"E503: ";
3311 errmsg
= (char_u
*)_("is not a file or writable device");
3314 /* It's a device of some kind (or a fifo) which we can write to
3315 * but for which we can't make a backup. */
3323 * Check for a writable device name.
3325 c
= mch_nodetype(fname
);
3326 if (c
== NODE_OTHER
)
3328 errnum
= (char_u
*)"E503: ";
3329 errmsg
= (char_u
*)_("is not a file or writable device");
3332 if (c
== NODE_WRITABLE
)
3334 # if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3335 /* MS-Windows allows opening a device, but we will probably get stuck
3336 * trying to write to it. */
3339 errnum
= (char_u
*)"E796: ";
3340 errmsg
= (char_u
*)_("writing to device disabled with 'opendevice' option");
3350 perm
= mch_getperm(fname
);
3353 else if (mch_isdir(fname
))
3355 errnum
= (char_u
*)"E502: ";
3356 errmsg
= (char_u
*)_("is a directory");
3360 (void)mch_stat((char *)fname
, &st_old
);
3364 if (!device
&& !newfile
)
3367 * Check if the file is really writable (when renaming the file to
3368 * make a backup we won't discover it later).
3370 file_readonly
= check_file_readonly(fname
, (int)perm
);
3372 if (!forceit
&& file_readonly
)
3374 if (vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3376 errnum
= (char_u
*)"E504: ";
3377 errmsg
= (char_u
*)_(err_readonly
);
3381 errnum
= (char_u
*)"E505: ";
3382 errmsg
= (char_u
*)_("is read-only (add ! to override)");
3388 * Check if the timestamp hasn't changed since reading the file.
3392 retval
= check_mtime(buf
, &st_old
);
3400 * For systems that support ACL: get the ACL from the original file.
3403 acl
= mch_get_acl(fname
);
3407 * If 'backupskip' is not empty, don't make a backup for some files.
3409 dobackup
= (p_wb
|| p_bk
|| *p_pm
!= NUL
);
3411 if (dobackup
&& *p_bsk
!= NUL
&& match_file_list(p_bsk
, sfname
, ffname
))
3416 * Save the value of got_int and reset it. We don't want a previous
3417 * interruption cancel writing, only hitting CTRL-C while writing should
3420 prev_got_int
= got_int
;
3423 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */
3424 buf
->b_saving
= TRUE
;
3427 * If we are not appending or filtering, the file exists, and the
3428 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
3429 * When 'patchmode' is set also make a backup when appending.
3431 * Do not make any backup, if 'writebackup' and 'backup' are both switched
3432 * off. This helps when editing large files on almost-full disks.
3434 if (!(append
&& *p_pm
== NUL
) && !filtering
&& perm
>= 0 && dobackup
)
3436 #if defined(UNIX) || defined(WIN32)
3440 if ((bkc_flags
& BKC_YES
) || append
) /* "yes" */
3442 #if defined(UNIX) || defined(WIN32)
3443 else if ((bkc_flags
& BKC_AUTO
)) /* "auto" */
3449 * Don't rename the file when:
3450 * - it's a hard link
3451 * - it's a symbolic link
3452 * - we don't have write permission in the directory
3453 * - we can't set the owner/group of the new file
3455 if (st_old
.st_nlink
> 1
3456 || mch_lstat((char *)fname
, &st
) < 0
3457 || st
.st_dev
!= st_old
.st_dev
3458 || st
.st_ino
!= st_old
.st_ino
3459 # ifndef HAVE_FCHOWN
3460 || st
.st_uid
!= st_old
.st_uid
3461 || st
.st_gid
!= st_old
.st_gid
3468 /* On NTFS file systems hard links are possible. */
3469 if (mch_is_linked(fname
))
3476 * Check if we can create a file and set the owner/group to
3477 * the ones from the original file.
3478 * First find a file name that doesn't exist yet (use some
3479 * arbitrary numbers).
3481 STRCPY(IObuff
, fname
);
3482 for (i
= 4913; ; i
+= 123)
3484 sprintf((char *)gettail(IObuff
), "%d", i
);
3485 if (mch_lstat((char *)IObuff
, &st
) < 0)
3488 fd
= mch_open((char *)IObuff
,
3489 O_CREAT
|O_WRONLY
|O_EXCL
|O_NOFOLLOW
, perm
);
3490 if (fd
< 0) /* can't write in directory */
3496 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
3498 if (mch_stat((char *)IObuff
, &st
) < 0
3499 || st
.st_uid
!= st_old
.st_uid
3500 || st
.st_gid
!= st_old
.st_gid
3501 || st
.st_mode
!= perm
)
3504 /* Close the file before removing it, on MS-Windows we
3505 * can't delete an open file. */
3514 * Break symlinks and/or hardlinks if we've been asked to.
3516 if ((bkc_flags
& BKC_BREAKSYMLINK
) || (bkc_flags
& BKC_BREAKHARDLINK
))
3520 lstat_res
= mch_lstat((char *)fname
, &st
);
3523 if ((bkc_flags
& BKC_BREAKSYMLINK
)
3525 && st
.st_ino
!= st_old
.st_ino
)
3526 backup_copy
= FALSE
;
3529 if ((bkc_flags
& BKC_BREAKHARDLINK
)
3530 && st_old
.st_nlink
> 1
3531 && (lstat_res
!= 0 || st
.st_ino
== st_old
.st_ino
))
3532 backup_copy
= FALSE
;
3538 /* make sure we have a valid backup extension to use */
3542 backup_ext
= (char_u
*)"/bak";
3544 backup_ext
= (char_u
*)".bak";
3551 && (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
3554 char_u
*copybuf
, *wp
;
3555 int some_error
= FALSE
;
3559 #if defined(UNIX) && !defined(SHORT_FNAME)
3560 int did_set_shortname
;
3563 copybuf
= alloc(BUFSIZE
+ 1);
3564 if (copybuf
== NULL
)
3566 some_error
= TRUE
; /* out of memory */
3571 * Try to make the backup in each directory in the 'bdir' option.
3573 * Unix semantics has it, that we may have a writable file,
3574 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
3575 * - the directory is not writable,
3576 * - the file may be a symbolic link,
3577 * - the file may belong to another user/group, etc.
3579 * For these reasons, the existing writable file must be truncated
3580 * and reused. Creation of a backup COPY will be attempted.
3592 * Isolate one directory name, using an entry in 'bdir'.
3594 (void)copy_option_part(&dirp
, copybuf
, BUFSIZE
, ",");
3595 rootname
= get_file_in_dir(fname
, copybuf
);
3596 if (rootname
== NULL
)
3598 some_error
= TRUE
; /* out of memory */
3602 #if defined(UNIX) && !defined(SHORT_FNAME)
3603 did_set_shortname
= FALSE
;
3607 * May try twice if 'shortname' not set.
3612 * Make backup file name.
3614 backup
= buf_modname(
3618 (buf
->b_p_sn
|| buf
->b_shortname
),
3620 rootname
, backup_ext
, FALSE
);
3624 some_error
= TRUE
; /* out of memory */
3629 * Check if backup file already exists.
3631 if (mch_stat((char *)backup
, &st_new
) >= 0)
3635 * Check if backup file is same as original file.
3636 * May happen when modname() gave the same file back.
3637 * E.g. silly link, or file name-length reached.
3638 * If we don't check here, we either ruin the file
3639 * when copying or erase it after writing. jw.
3641 if (st_new
.st_dev
== st_old
.st_dev
3642 && st_new
.st_ino
== st_old
.st_ino
)
3645 backup
= NULL
; /* no backup file to delete */
3646 # ifndef SHORT_FNAME
3648 * may try again with 'shortname' set
3650 if (!(buf
->b_shortname
|| buf
->b_p_sn
))
3652 buf
->b_shortname
= TRUE
;
3653 did_set_shortname
= TRUE
;
3656 /* setting shortname didn't help */
3657 if (did_set_shortname
)
3658 buf
->b_shortname
= FALSE
;
3665 * If we are not going to keep the backup file, don't
3666 * delete an existing one, try to use another name.
3667 * Change one character, just before the extension.
3671 wp
= backup
+ STRLEN(backup
) - 1
3672 - STRLEN(backup_ext
);
3673 if (wp
< backup
) /* empty file name ??? */
3677 && mch_stat((char *)backup
, &st_new
) >= 0)
3679 /* They all exist??? Must be something wrong. */
3692 * Try to create the backup file
3696 /* remove old backup, if present */
3698 /* Open with O_EXCL to avoid the file being created while
3699 * we were sleeping (symlink hacker attack?) */
3700 bfd
= mch_open((char *)backup
,
3701 O_WRONLY
|O_CREAT
|O_EXTRA
|O_EXCL
|O_NOFOLLOW
,
3710 /* set file protection same as original file, but
3712 (void)mch_setperm(backup
, perm
& 0777);
3716 * Try to set the group of the backup same as the
3717 * original file. If this fails, set the protection
3718 * bits for the group same as the protection bits for
3721 if (st_new
.st_gid
!= st_old
.st_gid
3722 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
3723 && fchown(bfd
, (uid_t
)-1, st_old
.st_gid
) != 0
3727 (perm
& 0707) | ((perm
& 07) << 3));
3728 # ifdef HAVE_SELINUX
3729 mch_copy_sec(fname
, backup
);
3736 write_info
.bw_fd
= bfd
;
3737 write_info
.bw_buf
= copybuf
;
3739 write_info
.bw_flags
= FIO_NOCONVERT
;
3741 while ((write_info
.bw_len
= vim_read(fd
, copybuf
,
3744 if (buf_write_bytes(&write_info
) == FAIL
)
3746 errmsg
= (char_u
*)_("E506: Can't write to backup file (add ! to override)");
3752 errmsg
= (char_u
*)_(e_interr
);
3757 if (close(bfd
) < 0 && errmsg
== NULL
)
3758 errmsg
= (char_u
*)_("E507: Close error for backup file (add ! to override)");
3759 if (write_info
.bw_len
< 0)
3760 errmsg
= (char_u
*)_("E508: Can't read file for backup (add ! to override)");
3762 set_file_time(backup
, st_old
.st_atime
, st_old
.st_mtime
);
3765 mch_set_acl(backup
, acl
);
3768 mch_copy_sec(fname
, backup
);
3775 close(fd
); /* ignore errors for closing read file */
3778 if (backup
== NULL
&& errmsg
== NULL
)
3779 errmsg
= (char_u
*)_("E509: Cannot create backup file (add ! to override)");
3780 /* ignore errors when forceit is TRUE */
3781 if ((some_error
|| errmsg
!= NULL
) && !forceit
)
3795 * Make a backup by renaming the original file.
3798 * If 'cpoptions' includes the "W" flag, we don't want to
3799 * overwrite a read-only file. But rename may be possible
3800 * anyway, thus we need an extra check here.
3802 if (file_readonly
&& vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3804 errnum
= (char_u
*)"E504: ";
3805 errmsg
= (char_u
*)_(err_readonly
);
3811 * Form the backup file name - change path/fo.o.h to
3812 * path/fo.o.h.bak Try all directories in 'backupdir', first one
3813 * that works is used.
3819 * Isolate one directory name and make the backup file name.
3821 (void)copy_option_part(&dirp
, IObuff
, IOSIZE
, ",");
3822 rootname
= get_file_in_dir(fname
, IObuff
);
3823 if (rootname
== NULL
)
3827 backup
= buf_modname(
3831 (buf
->b_p_sn
|| buf
->b_shortname
),
3833 rootname
, backup_ext
, FALSE
);
3840 * If we are not going to keep the backup file, don't
3841 * delete an existing one, try to use another name.
3842 * Change one character, just before the extension.
3844 if (!p_bk
&& mch_getperm(backup
) >= 0)
3846 p
= backup
+ STRLEN(backup
) - 1 - STRLEN(backup_ext
);
3847 if (p
< backup
) /* empty file name ??? */
3850 while (*p
> 'a' && mch_getperm(backup
) >= 0)
3852 /* They all exist??? Must be something wrong! */
3863 * Delete any existing backup and move the current version
3864 * to the backup. For safety, we don't remove the backup
3865 * until the write has finished successfully. And if the
3866 * 'backup' option is set, leave it around.
3869 * If the renaming of the original file to the backup file
3872 if (vim_rename(fname
, backup
) == 0)
3875 vim_free(backup
); /* don't do the rename below */
3879 if (backup
== NULL
&& !forceit
)
3881 errmsg
= (char_u
*)_("E510: Can't make backup file (add ! to override)");
3887 #if defined(UNIX) && !defined(ARCHIE)
3888 /* When using ":w!" and the file was read-only: make it writable */
3889 if (forceit
&& perm
>= 0 && !(perm
& 0200) && st_old
.st_uid
== getuid()
3890 && vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
)
3893 (void)mch_setperm(fname
, perm
);
3894 made_writable
= TRUE
;
3898 /* When using ":w!" and writing to the current file, 'readonly' makes no
3899 * sense, reset it, unless 'Z' appears in 'cpoptions'. */
3900 if (forceit
&& overwriting
&& vim_strchr(p_cpo
, CPO_KEEPRO
) == NULL
)
3902 buf
->b_p_ro
= FALSE
;
3904 need_maketitle
= TRUE
; /* set window title later */
3907 status_redraw_all(); /* redraw status lines later */
3911 if (end
> buf
->b_ml
.ml_line_count
)
3912 end
= buf
->b_ml
.ml_line_count
;
3913 if (buf
->b_ml
.ml_flags
& ML_EMPTY
)
3917 * If the original file is being overwritten, there is a small chance that
3918 * we crash in the middle of writing. Therefore the file is preserved now.
3919 * This makes all block numbers positive so that recovery does not need
3920 * the original file.
3921 * Don't do this if there is a backup file and we are exiting.
3923 if (reset_changed
&& !newfile
&& overwriting
3924 && !(exiting
&& backup
!= NULL
))
3926 ml_preserve(buf
, FALSE
);
3929 errmsg
= (char_u
*)_(e_interr
);
3930 goto restore_backup
;
3934 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
3936 * Before risking to lose the original file verify if there's
3937 * a resource fork to preserve, and if cannot be done warn
3938 * the users. This happens when overwriting without backups.
3940 if (backup
== NULL
&& overwriting
&& !append
)
3941 if (mch_has_resource_fork(fname
))
3943 errmsg
= (char_u
*)_("E460: The resource fork would be lost (add ! to override)");
3944 goto restore_backup
;
3949 vms_remove_version(fname
); /* remove version */
3951 /* Default: write the file directly. May write to a temp file for
3952 * multi-byte conversion. */
3956 /* Check for forced 'fileencoding' from "++opt=val" argument. */
3957 if (eap
!= NULL
&& eap
->force_enc
!= 0)
3959 fenc
= eap
->cmd
+ eap
->force_enc
;
3960 fenc
= enc_canonize(fenc
);
3964 fenc
= buf
->b_p_fenc
;
3967 * The file needs to be converted when 'fileencoding' is set and
3968 * 'fileencoding' differs from 'encoding'.
3970 converted
= (*fenc
!= NUL
&& !same_encoding(p_enc
, fenc
));
3973 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
3974 * Latin1 to Unicode conversion. This is handled in buf_write_bytes().
3975 * Prepare the flags for it and allocate bw_conv_buf when needed.
3977 if (converted
&& (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0))
3979 wb_flags
= get_fio_flags(fenc
);
3980 if (wb_flags
& (FIO_UCS2
| FIO_UCS4
| FIO_UTF16
| FIO_UTF8
))
3982 /* Need to allocate a buffer to translate into. */
3983 if (wb_flags
& (FIO_UCS2
| FIO_UTF16
| FIO_UTF8
))
3984 write_info
.bw_conv_buflen
= bufsize
* 2;
3986 write_info
.bw_conv_buflen
= bufsize
* 4;
3987 write_info
.bw_conv_buf
3988 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
3989 if (write_info
.bw_conv_buf
== NULL
)
3995 if (converted
&& wb_flags
== 0 && (wb_flags
= get_win_fio_flags(fenc
)) != 0)
3997 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */
3998 write_info
.bw_conv_buflen
= bufsize
* 4;
3999 write_info
.bw_conv_buf
4000 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4001 if (write_info
.bw_conv_buf
== NULL
)
4007 if (converted
&& wb_flags
== 0 && (wb_flags
= get_mac_fio_flags(fenc
)) != 0)
4009 write_info
.bw_conv_buflen
= bufsize
* 3;
4010 write_info
.bw_conv_buf
4011 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4012 if (write_info
.bw_conv_buf
== NULL
)
4017 # if defined(FEAT_EVAL) || defined(USE_ICONV)
4018 if (converted
&& wb_flags
== 0)
4022 * Use iconv() conversion when conversion is needed and it's not done
4025 write_info
.bw_iconv_fd
= (iconv_t
)my_iconv_open(fenc
,
4026 enc_utf8
? (char_u
*)"utf-8" : p_enc
);
4027 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
4029 /* We're going to use iconv(), allocate a buffer to convert in. */
4030 write_info
.bw_conv_buflen
= bufsize
* ICONV_MULT
;
4031 write_info
.bw_conv_buf
4032 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4033 if (write_info
.bw_conv_buf
== NULL
)
4035 write_info
.bw_first
= TRUE
;
4044 * When the file needs to be converted with 'charconvert' after
4045 * writing, write to a temp file instead and let the conversion
4046 * overwrite the original file.
4050 wfname
= vim_tempname('w');
4051 if (wfname
== NULL
) /* Can't write without a tempfile! */
4053 errmsg
= (char_u
*)_("E214: Can't find temp file for writing");
4054 goto restore_backup
;
4060 if (converted
&& wb_flags
== 0
4062 && write_info
.bw_iconv_fd
== (iconv_t
)-1
4071 errmsg
= (char_u
*)_("E213: Cannot convert (add ! to write without conversion)");
4072 goto restore_backup
;
4074 notconverted
= TRUE
;
4079 * Open the file "wfname" for writing.
4080 * We may try to open the file twice: If we can't write to the
4081 * file and forceit is TRUE we delete the existing file and try to create
4082 * a new one. If this still fails we may have lost the original file!
4083 * (this may happen when the user reached his quotum for number of files).
4084 * Appending will fail if the file does not exist and forceit is FALSE.
4086 while ((fd
= mch_open((char *)wfname
, O_WRONLY
| O_EXTRA
| (append
4087 ? (forceit
? (O_APPEND
| O_CREAT
) : O_APPEND
)
4088 : (O_CREAT
| O_TRUNC
))
4089 , perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4092 * A forced write will try to create a new file if the old one is
4093 * still readonly. This may also happen when the directory is
4094 * read-only. In that case the mch_remove() will fail.
4101 /* Don't delete the file when it's a hard or symbolic link. */
4102 if ((!newfile
&& st_old
.st_nlink
> 1)
4103 || (mch_lstat((char *)fname
, &st
) == 0
4104 && (st
.st_dev
!= st_old
.st_dev
4105 || st
.st_ino
!= st_old
.st_ino
)))
4106 errmsg
= (char_u
*)_("E166: Can't open linked file for writing");
4110 errmsg
= (char_u
*)_("E212: Can't open file for writing");
4111 if (forceit
&& vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
4115 /* we write to the file, thus it should be marked
4116 writable after all */
4118 made_writable
= TRUE
;
4120 if (st_old
.st_uid
!= getuid() || st_old
.st_gid
!= getgid())
4123 if (!append
) /* don't remove when appending */
4135 * If we failed to open the file, we don't need a backup. Throw it
4136 * away. If we moved or removed the original file try to put the
4137 * backup in its place.
4139 if (backup
!= NULL
&& wfname
== fname
)
4144 * There is a small chance that we removed the original,
4145 * try to move the copy in its place.
4146 * This may not work if the vim_rename() fails.
4147 * In that case we leave the copy around.
4149 /* If file does not exist, put the copy in its place */
4150 if (mch_stat((char *)fname
, &st
) < 0)
4151 vim_rename(backup
, fname
);
4152 /* if original file does exist throw away the copy */
4153 if (mch_stat((char *)fname
, &st
) >= 0)
4158 /* try to put the original file back */
4159 vim_rename(backup
, fname
);
4163 /* if original file no longer exists give an extra warning */
4164 if (!newfile
&& mch_stat((char *)fname
, &st
) < 0)
4169 if (wfname
!= fname
)
4176 #if defined(MACOS_CLASSIC) || defined(WIN3264)
4177 /* TODO: Is it need for MACOS_X? (Dany) */
4179 * On macintosh copy the original files attributes (i.e. the backup)
4180 * This is done in order to preserve the resource fork and the
4181 * Finder attribute (label, comments, custom icons, file creator)
4183 if (backup
!= NULL
&& overwriting
&& !append
)
4186 (void)mch_copy_file_attribute(wfname
, backup
);
4188 (void)mch_copy_file_attribute(backup
, wfname
);
4191 if (!overwriting
&& !append
)
4193 if (buf
->b_ffname
!= NULL
)
4194 (void)mch_copy_file_attribute(buf
->b_ffname
, wfname
);
4195 /* Should copy resource fork */
4199 write_info
.bw_fd
= fd
;
4202 if (*buf
->b_p_key
&& !filtering
)
4204 crypt_init_keys(buf
->b_p_key
);
4205 /* Write magic number, so that Vim knows that this file is encrypted
4206 * when reading it again. This also undergoes utf-8 to ucs-2/4
4207 * conversion when needed. */
4208 write_info
.bw_buf
= (char_u
*)CRYPT_MAGIC
;
4209 write_info
.bw_len
= CRYPT_MAGIC_LEN
;
4210 write_info
.bw_flags
= FIO_NOCONVERT
;
4211 if (buf_write_bytes(&write_info
) == FAIL
)
4213 wb_flags
|= FIO_ENCRYPTED
;
4217 write_info
.bw_buf
= buffer
;
4220 /* use "++bin", "++nobin" or 'binary' */
4221 if (eap
!= NULL
&& eap
->force_bin
!= 0)
4222 write_bin
= (eap
->force_bin
== FORCE_BIN
);
4224 write_bin
= buf
->b_p_bin
;
4228 * The BOM is written just after the encryption magic number.
4229 * Skip it when appending and the file already existed, the BOM only makes
4230 * sense at the start of the file.
4232 if (buf
->b_p_bomb
&& !write_bin
&& (!append
|| perm
< 0))
4234 write_info
.bw_len
= make_bom(buffer
, fenc
);
4235 if (write_info
.bw_len
> 0)
4237 /* don't convert, do encryption */
4238 write_info
.bw_flags
= FIO_NOCONVERT
| wb_flags
;
4239 if (buf_write_bytes(&write_info
) == FAIL
)
4242 nchars
+= write_info
.bw_len
;
4247 write_info
.bw_len
= bufsize
;
4249 write_info
.bw_flags
= wb_flags
;
4251 fileformat
= get_fileformat_force(buf
, eap
);
4254 for (lnum
= start
; lnum
<= end
; ++lnum
)
4257 * The next while loop is done once for each character written.
4260 ptr
= ml_get_buf(buf
, lnum
, FALSE
) - 1;
4261 while ((c
= *++ptr
) != NUL
)
4264 *s
= NUL
; /* replace newlines with NULs */
4265 else if (c
== CAR
&& fileformat
== EOL_MAC
)
4266 *s
= NL
; /* Mac: replace CRs with NLs */
4270 if (++len
!= bufsize
)
4272 if (buf_write_bytes(&write_info
) == FAIL
)
4274 end
= 0; /* write error: break loop */
4281 /* write failed or last line has no EOL: stop here */
4285 && (lnum
== write_no_eol_lnum
4286 || (lnum
== buf
->b_ml
.ml_line_count
&& !buf
->b_p_eol
))))
4288 ++lnum
; /* written the line, count it */
4292 if (fileformat
== EOL_UNIX
)
4296 *s
++ = CAR
; /* EOL_MAC or EOL_DOS: write CR */
4297 if (fileformat
== EOL_DOS
) /* write CR-NL */
4299 if (++len
== bufsize
)
4301 if (buf_write_bytes(&write_info
) == FAIL
)
4303 end
= 0; /* write error: break loop */
4313 if (++len
== bufsize
&& end
)
4315 if (buf_write_bytes(&write_info
) == FAIL
)
4317 end
= 0; /* write error: break loop */
4327 end
= 0; /* Interrupted, break loop */
4333 * On VMS there is a problem: newlines get added when writing blocks
4334 * at a time. Fix it by writing a line at a time.
4335 * This is much slower!
4336 * Explanation: VAX/DECC RTL insists that records in some RMS
4337 * structures end with a newline (carriage return) character, and if
4338 * they don't it adds one.
4339 * With other RMS structures it works perfect without this fix.
4341 if (buf
->b_fab_rfm
== FAB$C_VFC
4342 || ((buf
->b_fab_rat
& (FAB$M_FTN
| FAB$M_CR
)) != 0))
4346 buf
->b_fab_mrs
= (buf
->b_fab_mrs
== 0
4347 ? MIN(4096, bufsize
)
4348 : MIN(buf
->b_fab_mrs
, bufsize
));
4353 write_info
.bw_len
= MIN(b2write
, buf
->b_fab_mrs
);
4354 if (buf_write_bytes(&write_info
) == FAIL
)
4359 b2write
-= MIN(b2write
, buf
->b_fab_mrs
);
4361 write_info
.bw_len
= bufsize
;
4368 if (len
> 0 && end
> 0)
4370 write_info
.bw_len
= len
;
4371 if (buf_write_bytes(&write_info
) == FAIL
)
4372 end
= 0; /* write error */
4376 #if defined(UNIX) && defined(HAVE_FSYNC)
4377 /* On many journalling file systems there is a bug that causes both the
4378 * original and the backup file to be lost when halting the system right
4379 * after writing the file. That's because only the meta-data is
4380 * journalled. Syncing the file slows down the system, but assures it has
4381 * been written to disk and we don't lose it.
4382 * For a device do try the fsync() but don't complain if it does not work
4383 * (could be a pipe).
4384 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */
4385 if (p_fs
&& fsync(fd
) != 0 && !device
)
4387 errmsg
= (char_u
*)_("E667: Fsync failed");
4393 /* Probably need to set the security context. */
4395 mch_copy_sec(backup
, wfname
);
4399 /* When creating a new file, set its owner/group to that of the original
4400 * file. Get the new device and inode number. */
4401 if (backup
!= NULL
&& !backup_copy
)
4406 /* don't change the owner when it's already OK, some systems remove
4407 * permission or ACL stuff */
4408 if (mch_stat((char *)wfname
, &st
) < 0
4409 || st
.st_uid
!= st_old
.st_uid
4410 || st
.st_gid
!= st_old
.st_gid
)
4412 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
4413 if (perm
>= 0) /* set permission again, may have changed */
4414 (void)mch_setperm(wfname
, perm
);
4419 else if (buf
->b_dev
< 0)
4420 /* Set the inode when creating a new file. */
4426 errmsg
= (char_u
*)_("E512: Close failed");
4432 perm
&= ~0200; /* reset 'w' bit for security reasons */
4434 if (perm
>= 0) /* set perm. of new file same as old file */
4435 (void)mch_setperm(wfname
, perm
);
4437 if (!append
&& !filtering
)
4438 /* Set the filetype after writing the file. */
4439 mch_set_filetype(wfname
, buf
->b_p_oft
);
4442 /* Probably need to set the ACL before changing the user (can't set the
4443 * ACL on a file the user doesn't own). */
4445 mch_set_acl(wfname
, acl
);
4449 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL)
4450 if (wfname
!= fname
)
4453 * The file was written to a temp file, now it needs to be converted
4454 * with 'charconvert' to (overwrite) the output file.
4458 if (eval_charconvert(enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
,
4459 wfname
, fname
) == FAIL
)
4461 write_info
.bw_conv_error
= TRUE
;
4475 if (write_info
.bw_conv_error
)
4476 errmsg
= (char_u
*)_("E513: write error, conversion failed (make 'fenc' empty to override)");
4480 errmsg
= (char_u
*)_(e_interr
);
4482 errmsg
= (char_u
*)_("E514: write error (file system full?)");
4486 * If we have a backup file, try to put it in place of the new file,
4487 * because the new file is probably corrupt. This avoids losing the
4488 * original file when trying to make a backup when writing the file a
4490 * When "backup_copy" is set we need to copy the backup over the new
4491 * file. Otherwise rename the backup file.
4492 * If this is OK, don't give the extra warning message.
4498 /* This may take a while, if we were interrupted let the user
4499 * know we got the message. */
4505 if ((fd
= mch_open((char *)backup
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
4507 if ((write_info
.bw_fd
= mch_open((char *)fname
,
4508 O_WRONLY
| O_CREAT
| O_TRUNC
| O_EXTRA
,
4511 /* copy the file. */
4512 write_info
.bw_buf
= smallbuf
;
4514 write_info
.bw_flags
= FIO_NOCONVERT
;
4516 while ((write_info
.bw_len
= vim_read(fd
, smallbuf
,
4518 if (buf_write_bytes(&write_info
) == FAIL
)
4521 if (close(write_info
.bw_fd
) >= 0
4522 && write_info
.bw_len
== 0)
4523 end
= 1; /* success */
4525 close(fd
); /* ignore errors for closing read file */
4530 if (vim_rename(backup
, fname
) == 0)
4537 lnum
-= start
; /* compute number of written lines */
4538 --no_wait_return
; /* may wait for return now */
4540 #if !(defined(UNIX) || defined(VMS))
4541 fname
= sfname
; /* use shortname now, for the messages */
4545 msg_add_fname(buf
, fname
); /* put fname in IObuff with quotes */
4548 if (write_info
.bw_conv_error
)
4550 STRCAT(IObuff
, _(" CONVERSION ERROR"));
4553 else if (notconverted
)
4555 STRCAT(IObuff
, _("[NOT converted]"));
4560 STRCAT(IObuff
, _("[converted]"));
4566 STRCAT(IObuff
, _("[Device]"));
4571 STRCAT(IObuff
, shortmess(SHM_NEW
) ? _("[New]") : _("[New File]"));
4579 /* may add [unix/dos/mac] */
4580 if (msg_add_fileformat(fileformat
))
4583 if (wb_flags
& FIO_ENCRYPTED
)
4585 STRCAT(IObuff
, _("[crypted]"));
4589 msg_add_lines(c
, (long)lnum
, nchars
); /* add line/char count */
4590 if (!shortmess(SHM_WRITE
))
4593 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [a]") : _(" appended"));
4595 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [w]") : _(" written"));
4598 set_keep_msg(msg_trunc_attr(IObuff
, FALSE
, 0), 0);
4601 /* When written everything correctly: reset 'modified'. Unless not
4602 * writing to the original file and '+' is not in 'cpoptions'. */
4603 if (reset_changed
&& whole
&& !append
4605 && !write_info
.bw_conv_error
4607 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
)
4610 unchanged(buf
, TRUE
);
4615 * If written to the current file, update the timestamp of the swap file
4616 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
4622 buf
->b_flags
&= ~BF_NEW
;
4624 buf
->b_flags
&= ~BF_WRITE_MASK
;
4628 * If we kept a backup until now, and we are in patch mode, then we make
4629 * the backup file our 'original' file.
4631 if (*p_pm
&& dobackup
)
4633 char *org
= (char *)buf_modname(
4637 (buf
->b_p_sn
|| buf
->b_shortname
),
4639 fname
, p_pm
, FALSE
);
4646 * If the original file does not exist yet
4647 * the current backup file becomes the original file
4650 EMSG(_("E205: Patchmode: can't save original file"));
4651 else if (mch_stat(org
, &st
) < 0)
4653 vim_rename(backup
, (char_u
*)org
);
4654 vim_free(backup
); /* don't delete the file */
4657 set_file_time((char_u
*)org
, st_old
.st_atime
, st_old
.st_mtime
);
4662 * If there is no backup file, remember that a (new) file was
4670 || (empty_fd
= mch_open(org
,
4671 O_CREAT
| O_EXTRA
| O_EXCL
| O_NOFOLLOW
,
4672 perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4673 EMSG(_("E206: patchmode: can't touch empty original file"));
4679 mch_setperm((char_u
*)org
, mch_getperm(fname
) & 0777);
4685 * Remove the backup unless 'backup' option is set
4687 if (!p_bk
&& backup
!= NULL
&& mch_remove(backup
) != 0)
4688 EMSG(_("E207: Can't delete backup file"));
4690 #ifdef FEAT_SUN_WORKSHOP
4691 if (usingSunWorkShop
)
4692 workshop_file_saved((char *) ffname
);
4698 * Finish up. We get here either after failure or success.
4701 --no_wait_return
; /* may wait for return now */
4704 /* Done saving, we accept changed buffer warnings again */
4705 buf
->b_saving
= FALSE
;
4708 if (buffer
!= smallbuf
)
4711 vim_free(fenc_tofree
);
4712 vim_free(write_info
.bw_conv_buf
);
4714 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
4716 iconv_close(write_info
.bw_iconv_fd
);
4717 write_info
.bw_iconv_fd
= (iconv_t
)-1;
4727 int numlen
= errnum
!= NULL
? (int)STRLEN(errnum
) : 0;
4729 attr
= hl_attr(HLF_E
); /* set highlight for error messages */
4736 ); /* put file name in IObuff with quotes */
4737 if (STRLEN(IObuff
) + STRLEN(errmsg
) + numlen
>= IOSIZE
)
4738 IObuff
[IOSIZE
- STRLEN(errmsg
) - numlen
- 1] = NUL
;
4739 /* If the error message has the form "is ...", put the error number in
4740 * front of the file name. */
4743 STRMOVE(IObuff
+ numlen
, IObuff
);
4744 mch_memmove(IObuff
, errnum
, (size_t)numlen
);
4746 STRCAT(IObuff
, errmsg
);
4752 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
4754 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"),
4757 /* Update the timestamp to avoid an "overwrite changed file"
4758 * prompt when writing again. */
4759 if (mch_stat((char *)fname
, &st_old
) >= 0)
4761 buf_store_time(buf
, &st_old
, fname
);
4762 buf
->b_mtime_read
= buf
->b_mtime
;
4766 msg_scroll
= msg_save
;
4770 if (!should_abort(retval
))
4777 write_no_eol_lnum
= 0; /* in case it was set by the previous read */
4780 * Apply POST autocommands.
4781 * Careful: The autocommands may call buf_write() recursively!
4783 aucmd_prepbuf(&aco
, buf
);
4786 apply_autocmds_exarg(EVENT_FILEAPPENDPOST
, fname
, fname
,
4787 FALSE
, curbuf
, eap
);
4789 apply_autocmds_exarg(EVENT_FILTERWRITEPOST
, NULL
, fname
,
4790 FALSE
, curbuf
, eap
);
4791 else if (reset_changed
&& whole
)
4792 apply_autocmds_exarg(EVENT_BUFWRITEPOST
, fname
, fname
,
4793 FALSE
, curbuf
, eap
);
4795 apply_autocmds_exarg(EVENT_FILEWRITEPOST
, fname
, fname
,
4796 FALSE
, curbuf
, eap
);
4798 /* restore curwin/curbuf and a few other things */
4799 aucmd_restbuf(&aco
);
4802 if (aborting()) /* autocmds may abort script processing */
4808 got_int
|= prev_got_int
;
4810 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
4811 /* Update machine specific information. */
4812 mch_post_buffer_write(buf
);
4818 * Set the name of the current buffer. Use when the buffer doesn't have a
4819 * name and a ":r" or ":w" command with a file name is used.
4822 set_rw_fname(fname
, sfname
)
4827 /* It's like the unnamed buffer is deleted.... */
4829 apply_autocmds(EVENT_BUFDELETE
, NULL
, NULL
, FALSE
, curbuf
);
4830 apply_autocmds(EVENT_BUFWIPEOUT
, NULL
, NULL
, FALSE
, curbuf
);
4832 if (aborting()) /* autocmds may abort script processing */
4837 if (setfname(curbuf
, fname
, sfname
, FALSE
) == OK
)
4838 curbuf
->b_flags
|= BF_NOTEDITED
;
4841 /* ....and a new named one is created */
4842 apply_autocmds(EVENT_BUFNEW
, NULL
, NULL
, FALSE
, curbuf
);
4844 apply_autocmds(EVENT_BUFADD
, NULL
, NULL
, FALSE
, curbuf
);
4846 if (aborting()) /* autocmds may abort script processing */
4850 /* Do filetype detection now if 'filetype' is empty. */
4851 if (*curbuf
->b_p_ft
== NUL
)
4853 if (au_has_group((char_u
*)"filetypedetect"))
4854 (void)do_doautocmd((char_u
*)"filetypedetect BufRead", FALSE
);
4863 * Put file name into IObuff with quotes.
4866 msg_add_fname(buf
, fname
)
4871 fname
= (char_u
*)"-stdin-";
4872 home_replace(buf
, fname
, IObuff
+ 1, IOSIZE
- 4, TRUE
);
4874 STRCAT(IObuff
, "\" ");
4878 * Append message for text mode to IObuff.
4879 * Return TRUE if something appended.
4882 msg_add_fileformat(eol_type
)
4886 if (eol_type
== EOL_DOS
)
4888 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[dos]") : _("[dos format]"));
4893 if (eol_type
== EOL_MAC
)
4895 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[mac]") : _("[mac format]"));
4899 #if defined(USE_CRNL) || defined(USE_CR)
4900 if (eol_type
== EOL_UNIX
)
4902 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[unix]") : _("[unix format]"));
4910 * Append line and character count to IObuff.
4913 msg_add_lines(insert_space
, lnum
, nchars
)
4920 p
= IObuff
+ STRLEN(IObuff
);
4924 if (shortmess(SHM_LINES
))
4925 sprintf((char *)p
, "%ldL, %ldC", lnum
, nchars
);
4929 STRCPY(p
, _("1 line, "));
4931 sprintf((char *)p
, _("%ld lines, "), lnum
);
4934 STRCPY(p
, _("1 character"));
4936 sprintf((char *)p
, _("%ld characters"), nchars
);
4941 * Append message for missing line separator to IObuff.
4946 STRCAT(IObuff
, shortmess(SHM_LAST
) ? _("[noeol]") : _("[Incomplete last line]"));
4950 * Check modification time of file, before writing to it.
4951 * The size isn't checked, because using a tool like "gzip" takes care of
4952 * using the same timestamp but can't set the size.
4955 check_mtime(buf
, st
)
4959 if (buf
->b_mtime_read
!= 0
4960 && time_differs((long)st
->st_mtime
, buf
->b_mtime_read
))
4962 msg_scroll
= TRUE
; /* don't overwrite messages here */
4963 msg_silent
= 0; /* must give this prompt */
4964 /* don't use emsg() here, don't want to flush the buffers */
4965 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"),
4967 if (ask_yesno((char_u
*)_("Do you really want to write to it"),
4970 msg_scroll
= FALSE
; /* always overwrite the file message now */
4976 time_differs(t1
, t2
)
4979 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN)
4980 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
4981 * the seconds. Since the roundoff is done when flushing the inode, the
4982 * time may change unexpectedly by one second!!! */
4983 return (t1
- t2
> 1 || t2
- t1
> 1);
4990 * Call write() to write a number of bytes to the file.
4991 * Also handles encryption and 'encoding' conversion.
4993 * Return FAIL for failure, OK otherwise.
5000 char_u
*buf
= ip
->bw_buf
; /* data to write */
5001 int len
= ip
->bw_len
; /* length of data */
5003 int flags
= ip
->bw_flags
; /* extra flags */
5008 * Skip conversion when writing the crypt magic number or the BOM.
5010 if (!(flags
& FIO_NOCONVERT
))
5016 if (flags
& FIO_UTF8
)
5019 * Convert latin1 in the buffer to UTF-8 in the file.
5021 p
= ip
->bw_conv_buf
; /* translate to buffer */
5022 for (wlen
= 0; wlen
< len
; ++wlen
)
5023 p
+= utf_char2bytes(buf
[wlen
], p
);
5024 buf
= ip
->bw_conv_buf
;
5025 len
= (int)(p
- ip
->bw_conv_buf
);
5027 else if (flags
& (FIO_UCS4
| FIO_UTF16
| FIO_UCS2
| FIO_LATIN1
))
5030 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
5031 * Latin1 chars in the file.
5033 if (flags
& FIO_LATIN1
)
5034 p
= buf
; /* translate in-place (can only get shorter) */
5036 p
= ip
->bw_conv_buf
; /* translate to buffer */
5037 for (wlen
= 0; wlen
< len
; wlen
+= n
)
5039 if (wlen
== 0 && ip
->bw_restlen
!= 0)
5043 /* Use remainder of previous call. Append the start of
5044 * buf[] to get a full sequence. Might still be too
5046 l
= CONV_RESTLEN
- ip
->bw_restlen
;
5049 mch_memmove(ip
->bw_rest
+ ip
->bw_restlen
, buf
, (size_t)l
);
5050 n
= utf_ptr2len_len(ip
->bw_rest
, ip
->bw_restlen
+ l
);
5051 if (n
> ip
->bw_restlen
+ len
)
5053 /* We have an incomplete byte sequence at the end to
5054 * be written. We can't convert it without the
5055 * remaining bytes. Keep them for the next call. */
5056 if (ip
->bw_restlen
+ len
> CONV_RESTLEN
)
5058 ip
->bw_restlen
+= len
;
5062 c
= utf_ptr2char(ip
->bw_rest
);
5065 if (n
>= ip
->bw_restlen
)
5067 n
-= ip
->bw_restlen
;
5072 ip
->bw_restlen
-= n
;
5073 mch_memmove(ip
->bw_rest
, ip
->bw_rest
+ n
,
5074 (size_t)ip
->bw_restlen
);
5080 n
= utf_ptr2len_len(buf
+ wlen
, len
- wlen
);
5083 /* We have an incomplete byte sequence at the end to
5084 * be written. We can't convert it without the
5085 * remaining bytes. Keep them for the next call. */
5086 if (len
- wlen
> CONV_RESTLEN
)
5088 ip
->bw_restlen
= len
- wlen
;
5089 mch_memmove(ip
->bw_rest
, buf
+ wlen
,
5090 (size_t)ip
->bw_restlen
);
5094 c
= utf_ptr2char(buf
+ wlen
);
5099 ip
->bw_conv_error
|= ucs2bytes(c
, &p
, flags
);
5101 if (flags
& FIO_LATIN1
)
5102 len
= (int)(p
- buf
);
5105 buf
= ip
->bw_conv_buf
;
5106 len
= (int)(p
- ip
->bw_conv_buf
);
5111 else if (flags
& FIO_CODEPAGE
)
5114 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
5124 if (ip
->bw_restlen
> 0)
5126 /* Need to concatenate the remainder of the previous call and
5127 * the bytes of the current call. Use the end of the
5128 * conversion buffer for this. */
5129 fromlen
= len
+ ip
->bw_restlen
;
5130 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5131 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5132 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5140 to
= ip
->bw_conv_buf
;
5143 /* Convert from UTF-8 to UCS-2, to the start of the buffer.
5144 * The buffer has been allocated to be big enough. */
5147 n
= (int)utf_ptr2len_len(from
, (int)fromlen
);
5148 if (n
> (int)fromlen
) /* incomplete byte sequence */
5150 u8c
= utf_ptr2char(from
);
5151 *to
++ = (u8c
& 0xff);
5157 /* Copy remainder to ip->bw_rest[] to be used for the next
5159 if (fromlen
> CONV_RESTLEN
)
5161 /* weird overlong sequence */
5162 ip
->bw_conv_error
= TRUE
;
5165 mch_memmove(ip
->bw_rest
, from
, fromlen
);
5166 ip
->bw_restlen
= (int)fromlen
;
5170 /* Convert from enc_codepage to UCS-2, to the start of the
5171 * buffer. The buffer has been allocated to be big enough. */
5173 needed
= MultiByteToWideChar(enc_codepage
,
5174 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
,
5178 /* When conversion fails there may be a trailing byte. */
5179 needed
= MultiByteToWideChar(enc_codepage
,
5180 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
- 1,
5184 /* Conversion doesn't work. */
5185 ip
->bw_conv_error
= TRUE
;
5188 /* Save the trailing byte for the next call. */
5189 ip
->bw_rest
[0] = from
[fromlen
- 1];
5192 needed
= MultiByteToWideChar(enc_codepage
, MB_ERR_INVALID_CHARS
,
5193 (LPCSTR
)from
, (int)(fromlen
- ip
->bw_restlen
),
5194 (LPWSTR
)to
, needed
);
5197 /* Safety check: Conversion doesn't work. */
5198 ip
->bw_conv_error
= TRUE
;
5204 fromlen
= to
- ip
->bw_conv_buf
;
5206 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5207 if (FIO_GET_CP(flags
) == CP_UTF8
)
5209 /* Convert from UCS-2 to UTF-8, using the remainder of the
5210 * conversion buffer. Fails when out of space. */
5211 for (from
= ip
->bw_conv_buf
; fromlen
> 1; fromlen
-= 2)
5214 u8c
+= (*from
++ << 8);
5215 to
+= utf_char2bytes(u8c
, to
);
5216 if (to
+ 6 >= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
)
5218 ip
->bw_conv_error
= TRUE
;
5222 len
= (int)(to
- buf
);
5227 /* Convert from UCS-2 to the codepage, using the remainder of
5228 * the conversion buffer. If the conversion uses the default
5229 * character "0", the data doesn't fit in this encoding, so
5231 len
= WideCharToMultiByte(FIO_GET_CP(flags
), 0,
5232 (LPCWSTR
)ip
->bw_conv_buf
, (int)fromlen
/ sizeof(WCHAR
),
5233 (LPSTR
)to
, (int)(ip
->bw_conv_buflen
- fromlen
), 0,
5237 ip
->bw_conv_error
= TRUE
;
5244 # ifdef MACOS_CONVERT
5245 else if (flags
& FIO_MACROMAN
)
5248 * Convert UTF-8 or latin1 to Apple MacRoman.
5253 if (ip
->bw_restlen
> 0)
5255 /* Need to concatenate the remainder of the previous call and
5256 * the bytes of the current call. Use the end of the
5257 * conversion buffer for this. */
5258 fromlen
= len
+ ip
->bw_restlen
;
5259 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5260 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5261 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5269 if (enc2macroman(from
, fromlen
,
5270 ip
->bw_conv_buf
, &len
, ip
->bw_conv_buflen
,
5271 ip
->bw_rest
, &ip
->bw_restlen
) == FAIL
)
5273 ip
->bw_conv_error
= TRUE
;
5276 buf
= ip
->bw_conv_buf
;
5281 if (ip
->bw_iconv_fd
!= (iconv_t
)-1)
5288 /* Convert with iconv(). */
5289 if (ip
->bw_restlen
> 0)
5293 /* Need to concatenate the remainder of the previous call and
5294 * the bytes of the current call. Use the end of the
5295 * conversion buffer for this. */
5296 fromlen
= len
+ ip
->bw_restlen
;
5297 fp
= (char *)ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5298 mch_memmove(fp
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5299 mch_memmove(fp
+ ip
->bw_restlen
, buf
, (size_t)len
);
5301 tolen
= ip
->bw_conv_buflen
- fromlen
;
5305 from
= (const char *)buf
;
5307 tolen
= ip
->bw_conv_buflen
;
5309 to
= (char *)ip
->bw_conv_buf
;
5313 size_t save_len
= tolen
;
5315 /* output the initial shift state sequence */
5316 (void)iconv(ip
->bw_iconv_fd
, NULL
, NULL
, &to
, &tolen
);
5318 /* There is a bug in iconv() on Linux (which appears to be
5319 * wide-spread) which sets "to" to NULL and messes up "tolen".
5323 to
= (char *)ip
->bw_conv_buf
;
5326 ip
->bw_first
= FALSE
;
5330 * If iconv() has an error or there is not enough room, fail.
5332 if ((iconv(ip
->bw_iconv_fd
, (void *)&from
, &fromlen
, &to
, &tolen
)
5333 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
5334 || fromlen
> CONV_RESTLEN
)
5336 ip
->bw_conv_error
= TRUE
;
5340 /* copy remainder to ip->bw_rest[] to be used for the next call. */
5342 mch_memmove(ip
->bw_rest
, (void *)from
, fromlen
);
5343 ip
->bw_restlen
= (int)fromlen
;
5345 buf
= ip
->bw_conv_buf
;
5346 len
= (int)((char_u
*)to
- ip
->bw_conv_buf
);
5350 #endif /* FEAT_MBYTE */
5353 if (flags
& FIO_ENCRYPTED
) /* encrypt the data */
5357 for (i
= 0; i
< len
; i
++)
5360 buf
[i
] = ZENCODE(ztemp
, t
);
5365 /* Repeat the write(), it may be interrupted by a signal. */
5368 wlen
= vim_write(ip
->bw_fd
, buf
, len
);
5369 if (wlen
<= 0) /* error! */
5379 * Convert a Unicode character to bytes.
5382 ucs2bytes(c
, pp
, flags
)
5383 unsigned c
; /* in: character */
5384 char_u
**pp
; /* in/out: pointer to result */
5385 int flags
; /* FIO_ flags */
5392 if (flags
& FIO_UCS4
)
5394 if (flags
& FIO_ENDIAN_L
)
5409 else if (flags
& (FIO_UCS2
| FIO_UTF16
))
5413 if (flags
& FIO_UTF16
)
5415 /* Make two words, ten bits of the character in each. First
5416 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */
5420 cc
= ((c
>> 10) & 0x3ff) + 0xd800;
5421 if (flags
& FIO_ENDIAN_L
)
5424 *p
++ = ((unsigned)cc
>> 8);
5428 *p
++ = ((unsigned)cc
>> 8);
5431 c
= (c
& 0x3ff) + 0xdc00;
5436 if (flags
& FIO_ENDIAN_L
)
5463 * Return TRUE if "a" and "b" are the same 'encoding'.
5464 * Ignores difference between "ansi" and "latin1", "ucs-4" and "ucs-4be", etc.
5473 if (STRCMP(a
, b
) == 0)
5475 f
= get_fio_flags(a
);
5476 return (f
!= 0 && get_fio_flags(b
) == f
);
5480 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the
5481 * internal conversion.
5482 * if "ptr" is an empty string, use 'encoding'.
5493 prop
= enc_canon_props(ptr
);
5494 if (prop
& ENC_UNICODE
)
5496 if (prop
& ENC_2BYTE
)
5498 if (prop
& ENC_ENDIAN_L
)
5499 return FIO_UCS2
| FIO_ENDIAN_L
;
5502 if (prop
& ENC_4BYTE
)
5504 if (prop
& ENC_ENDIAN_L
)
5505 return FIO_UCS4
| FIO_ENDIAN_L
;
5508 if (prop
& ENC_2WORD
)
5510 if (prop
& ENC_ENDIAN_L
)
5511 return FIO_UTF16
| FIO_ENDIAN_L
;
5516 if (prop
& ENC_LATIN1
)
5518 /* must be ENC_DBCS, requires iconv() */
5524 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed
5525 * for the conversion MS-Windows can do for us. Also accept "utf-8".
5526 * Used for conversion between 'encoding' and 'fileencoding'.
5529 get_win_fio_flags(ptr
)
5534 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */
5535 if (!enc_utf8
&& enc_codepage
<= 0)
5538 cp
= encname2codepage(ptr
);
5541 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5542 if (STRCMP(ptr
, "utf-8") == 0)
5548 return FIO_PUT_CP(cp
) | FIO_CODEPAGE
;
5554 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags
5555 * needed for the internal conversion to/from utf-8 or latin1.
5558 get_mac_fio_flags(ptr
)
5561 if ((enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
5562 && (enc_canon_props(ptr
) & ENC_MACROMAN
))
5563 return FIO_MACROMAN
;
5569 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size].
5570 * "size" must be at least 2.
5571 * Return the name of the encoding and set "*lenp" to the length.
5572 * Returns NULL when no BOM found.
5575 check_for_bom(p
, size
, lenp
, flags
)
5584 if (p
[0] == 0xef && p
[1] == 0xbb && size
>= 3 && p
[2] == 0xbf
5585 && (flags
== FIO_ALL
|| flags
== FIO_UTF8
|| flags
== 0))
5587 name
= "utf-8"; /* EF BB BF */
5590 else if (p
[0] == 0xff && p
[1] == 0xfe)
5592 if (size
>= 4 && p
[2] == 0 && p
[3] == 0
5593 && (flags
== FIO_ALL
|| flags
== (FIO_UCS4
| FIO_ENDIAN_L
)))
5595 name
= "ucs-4le"; /* FF FE 00 00 */
5598 else if (flags
== (FIO_UCS2
| FIO_ENDIAN_L
))
5599 name
= "ucs-2le"; /* FF FE */
5600 else if (flags
== FIO_ALL
|| flags
== (FIO_UTF16
| FIO_ENDIAN_L
))
5601 /* utf-16le is preferred, it also works for ucs-2le text */
5602 name
= "utf-16le"; /* FF FE */
5604 else if (p
[0] == 0xfe && p
[1] == 0xff
5605 && (flags
== FIO_ALL
|| flags
== FIO_UCS2
|| flags
== FIO_UTF16
))
5607 /* Default to utf-16, it works also for ucs-2 text. */
5608 if (flags
== FIO_UCS2
)
5609 name
= "ucs-2"; /* FE FF */
5611 name
= "utf-16"; /* FE FF */
5613 else if (size
>= 4 && p
[0] == 0 && p
[1] == 0 && p
[2] == 0xfe
5614 && p
[3] == 0xff && (flags
== FIO_ALL
|| flags
== FIO_UCS4
))
5616 name
= "ucs-4"; /* 00 00 FE FF */
5621 return (char_u
*)name
;
5625 * Generate a BOM in "buf[4]" for encoding "name".
5626 * Return the length of the BOM (zero when no BOM).
5636 flags
= get_fio_flags(name
);
5638 /* Can't put a BOM in a non-Unicode file. */
5639 if (flags
== FIO_LATIN1
|| flags
== 0)
5642 if (flags
== FIO_UTF8
) /* UTF-8 */
5650 (void)ucs2bytes(0xfeff, &p
, flags
);
5651 return (int)(p
- buf
);
5655 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \
5656 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO)
5658 * Try to find a shortname by comparing the fullname with the current
5660 * Returns "full_path" or pointer into "full_path" if shortened.
5663 shorten_fname1(full_path
)
5666 char_u dirname
[MAXPATHL
];
5667 char_u
*p
= full_path
;
5669 if (mch_dirname(dirname
, MAXPATHL
) == OK
)
5671 p
= shorten_fname(full_path
, dirname
);
5672 if (p
== NULL
|| *p
== NUL
)
5680 * Try to find a shortname by comparing the fullname with the current
5682 * Returns NULL if not shorter name possible, pointer into "full_path"
5686 shorten_fname(full_path
, dir_name
)
5693 if (full_path
== NULL
)
5695 len
= (int)STRLEN(dir_name
);
5696 if (fnamencmp(dir_name
, full_path
, len
) == 0)
5698 p
= full_path
+ len
;
5699 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5701 * MSDOS: when a file is in the root directory, dir_name will end in a
5702 * slash, since C: by itself does not define a specific dir. In this
5703 * case p may already be correct. <negri>
5705 if (!((len
> 2) && (*(p
- 2) == ':')))
5708 if (vim_ispathsep(*p
))
5710 #ifndef VMS /* the path separator is always part of the path */
5716 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5718 * When using a file in the current drive, remove the drive name:
5719 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on
5720 * a floppy from "A:\dir" to "B:\dir".
5723 && TOUPPER_LOC(full_path
[0]) == TOUPPER_LOC(dir_name
[0])
5724 && full_path
[1] == ':'
5725 && vim_ispathsep(full_path
[2]))
5734 * Shorten filenames for all buffers.
5735 * When "force" is TRUE: Use full path from now on for files currently being
5736 * edited, both for file name and swap file name. Try to shorten the file
5737 * names a bit, if safe to do so.
5738 * When "force" is FALSE: Only try to shorten absolute file names.
5739 * For buffers that have buftype "nofile" or "scratch": never change the file
5743 shorten_fnames(force
)
5746 char_u dirname
[MAXPATHL
];
5750 mch_dirname(dirname
, MAXPATHL
);
5751 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
5753 if (buf
->b_fname
!= NULL
5754 #ifdef FEAT_QUICKFIX
5757 && !path_with_url(buf
->b_fname
)
5759 || buf
->b_sfname
== NULL
5760 || mch_isFullName(buf
->b_sfname
)))
5762 vim_free(buf
->b_sfname
);
5763 buf
->b_sfname
= NULL
;
5764 p
= shorten_fname(buf
->b_ffname
, dirname
);
5767 buf
->b_sfname
= vim_strsave(p
);
5768 buf
->b_fname
= buf
->b_sfname
;
5770 if (p
== NULL
|| buf
->b_fname
== NULL
)
5771 buf
->b_fname
= buf
->b_ffname
;
5774 /* Always make the swap file name a full path, a "nofile" buffer may
5775 * also have a swap file. */
5776 mf_fullname(buf
->b_ml
.ml_mfp
);
5779 status_redraw_all();
5780 redraw_tabline
= TRUE
;
5784 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
5785 || defined(FEAT_GUI_MSWIN) \
5786 || defined(FEAT_GUI_MAC) \
5789 * Shorten all filenames in "fnames[count]" by current directory.
5792 shorten_filenames(fnames
, count
)
5797 char_u dirname
[MAXPATHL
];
5800 if (fnames
== NULL
|| count
< 1)
5802 mch_dirname(dirname
, sizeof(dirname
));
5803 for (i
= 0; i
< count
; ++i
)
5805 if ((p
= shorten_fname(fnames
[i
], dirname
)) != NULL
)
5807 /* shorten_fname() returns pointer in given "fnames[i]". If free
5808 * "fnames[i]" first, "p" becomes invalid. So we need to copy
5809 * "p" first then free fnames[i]. */
5811 vim_free(fnames
[i
]);
5819 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or
5820 * fo_o_h.ext for MSDOS or when shortname option set.
5822 * Assumed that fname is a valid name found in the filesystem we assure that
5823 * the return value is a different name and ends in 'ext'.
5824 * "ext" MUST be at most 4 characters long if it starts with a dot, 3
5825 * characters otherwise.
5826 * Space for the returned name is allocated, must be freed later.
5827 * Returns NULL when out of memory.
5830 modname(fname
, ext
, prepend_dot
)
5831 char_u
*fname
, *ext
;
5832 int prepend_dot
; /* may prepend a '.' to file name */
5838 (curbuf
->b_p_sn
|| curbuf
->b_shortname
),
5840 fname
, ext
, prepend_dot
);
5844 buf_modname(shortname
, fname
, ext
, prepend_dot
)
5845 int shortname
; /* use 8.3 file name */
5846 char_u
*fname
, *ext
;
5847 int prepend_dot
; /* may prepend a '.' to file name */
5853 int fnamelen
, extlen
;
5855 extlen
= (int)STRLEN(ext
);
5858 * If there is no file name we must get the name of the current directory
5859 * (we need the full path in case :cd is used).
5861 if (fname
== NULL
|| *fname
== NUL
)
5863 retval
= alloc((unsigned)(MAXPATHL
+ extlen
+ 3));
5866 if (mch_dirname(retval
, MAXPATHL
) == FAIL
||
5867 (fnamelen
= (int)STRLEN(retval
)) == 0)
5872 if (!after_pathsep(retval
, retval
+ fnamelen
))
5874 retval
[fnamelen
++] = PATHSEP
;
5875 retval
[fnamelen
] = NUL
;
5878 prepend_dot
= FALSE
; /* nothing to prepend a dot to */
5883 fnamelen
= (int)STRLEN(fname
);
5884 retval
= alloc((unsigned)(fnamelen
+ extlen
+ 3));
5887 STRCPY(retval
, fname
);
5889 vms_remove_version(retval
); /* we do not need versions here */
5894 * search backwards until we hit a '/', '\' or ':' replacing all '.'
5895 * by '_' for MSDOS or when shortname option set and ext starts with a dot.
5896 * Then truncate what is after the '/', '\' or ':' to 8 characters for
5897 * MSDOS and 26 characters for AMIGA, a lot more for UNIX.
5899 for (ptr
= retval
+ fnamelen
; ptr
> retval
; mb_ptr_back(retval
, ptr
))
5903 # ifdef USE_LONG_FNAME
5904 && (!USE_LONG_FNAME
|| shortname
)
5906 # ifndef SHORT_FNAME
5911 if (*ptr
== '.') /* replace '.' by '_' */
5914 if (vim_ispathsep(*ptr
))
5921 /* the file name has at most BASENAMELEN characters. */
5923 if (STRLEN(ptr
) > (unsigned)BASENAMELEN
)
5924 ptr
[BASENAMELEN
] = '\0';
5927 s
= ptr
+ STRLEN(ptr
);
5930 * For 8.3 file names we may have to reduce the length.
5932 #ifdef USE_LONG_FNAME
5933 if (!USE_LONG_FNAME
|| shortname
)
5935 # ifndef SHORT_FNAME
5941 * If there is no file name, or the file name ends in '/', and the
5942 * extension starts with '.', put a '_' before the dot, because just
5943 * ".ext" is invalid.
5945 if (fname
== NULL
|| *fname
== NUL
5946 || vim_ispathsep(fname
[STRLEN(fname
) - 1]))
5956 * If the extension starts with '.', truncate the base name at 8
5960 /* We normally use '/', but swap files are '_' */
5961 else if (*ext
== '/' || *ext
== '_')
5963 else if (*ext
== '.')
5966 if (s
- ptr
> (size_t)8)
5973 * If the extension doesn't start with '.', and the file name
5974 * doesn't have an extension yet, append a '.'
5977 else if ((e
= vim_strchr(ptr
, '/')) == NULL
)
5980 else if ((e
= vim_strchr(ptr
, '.')) == NULL
)
5984 * If the extension doesn't start with '.', and there already is an
5985 * extension, it may need to be truncated
5987 else if ((int)STRLEN(e
) + extlen
> 4)
5990 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264)
5992 * If there is no file name, and the extension starts with '.', put a
5993 * '_' before the dot, because just ".ext" may be invalid if it's on a
5994 * FAT partition, and on HPFS it doesn't matter.
5996 else if ((fname
== NULL
|| *fname
== NUL
) && *ext
== '.')
6001 * Append the extension.
6002 * ext can start with '.' and cannot exceed 3 more characters.
6010 if (prepend_dot
&& !shortname
&& *(e
= gettail(retval
)) !=
6016 #ifdef USE_LONG_FNAME
6031 * Check that, after appending the extension, the file name is really
6034 if (fname
!= NULL
&& STRCMP(fname
, retval
) == 0)
6036 /* we search for a character that can be replaced by '_' */
6045 if (s
< ptr
) /* fname was "________.<ext>", how tricky! */
6052 * Like fgets(), but if the file line is too long, it is truncated and the
6053 * rest of the line is thrown away. Returns TRUE for end-of-file.
6056 vim_fgets(buf
, size
, fp
)
6062 #define FGETS_SIZE 200
6063 char tbuf
[FGETS_SIZE
];
6065 buf
[size
- 2] = NUL
;
6067 eof
= fgets_cr((char *)buf
, size
, fp
);
6069 eof
= fgets((char *)buf
, size
, fp
);
6071 if (buf
[size
- 2] != NUL
&& buf
[size
- 2] != '\n')
6073 buf
[size
- 1] = NUL
; /* Truncate the line */
6075 /* Now throw away the rest of the line: */
6078 tbuf
[FGETS_SIZE
- 2] = NUL
;
6080 ignoredp
= fgets_cr((char *)tbuf
, FGETS_SIZE
, fp
);
6082 ignoredp
= fgets((char *)tbuf
, FGETS_SIZE
, fp
);
6084 } while (tbuf
[FGETS_SIZE
- 2] != NUL
&& tbuf
[FGETS_SIZE
- 2] != '\n');
6086 return (eof
== NULL
);
6089 #if defined(USE_CR) || defined(PROTO)
6091 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF.
6092 * Returns TRUE for end-of-file.
6093 * Only used for the Mac, because it's much slower than vim_fgets().
6096 tag_fgets(buf
, size
, fp
)
6115 /* Always store a NL for end-of-line. */
6119 if (c
!= '\n') /* Macintosh format: single CR. */
6134 * rename() only works if both files are on the same file system, this
6135 * function will (attempts to?) copy the file across if rename fails -- webb
6136 * Return -1 for failure, 0 for success.
6139 vim_rename(from
, to
)
6146 char *errmsg
= NULL
;
6154 vim_acl_T acl
; /* ACL from original file */
6156 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6157 int use_tmp_file
= FALSE
;
6161 * When the names are identical, there is nothing to do. When they refer
6162 * to the same file (ignoring case and slash/backslash differences) but
6163 * the file name differs we need to go through a temp file.
6165 if (fnamecmp(from
, to
) == 0)
6167 #ifdef CASE_INSENSITIVE_FILENAME
6168 if (STRCMP(gettail(from
), gettail(to
)) != 0)
6169 use_tmp_file
= TRUE
;
6176 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
6178 if (mch_stat((char *)from
, &st
) < 0)
6185 /* It's possible for the source and destination to be the same file.
6186 * This happens when "from" and "to" differ in case and are on a FAT32
6187 * filesystem. In that case go through a temp file name. */
6188 if (mch_stat((char *)to
, &st_to
) >= 0
6189 && st
.st_dev
== st_to
.st_dev
6190 && st
.st_ino
== st_to
.st_ino
)
6191 use_tmp_file
= TRUE
;
6195 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6198 char tempname
[MAXPATHL
+ 1];
6201 * Find a name that doesn't exist and is in the same directory.
6202 * Rename "from" to "tempname" and then rename "tempname" to "to".
6204 if (STRLEN(from
) >= MAXPATHL
- 5)
6206 STRCPY(tempname
, from
);
6207 for (n
= 123; n
< 99999; ++n
)
6209 sprintf((char *)gettail((char_u
*)tempname
), "%d", n
);
6210 if (mch_stat(tempname
, &st
) < 0)
6212 if (mch_rename((char *)from
, tempname
) == 0)
6214 if (mch_rename(tempname
, (char *)to
) == 0)
6216 /* Strange, the second step failed. Try moving the
6217 * file back and return failure. */
6218 mch_rename(tempname
, (char *)from
);
6221 /* If it fails for one temp name it will most likely fail
6222 * for any temp name, give up. */
6231 * Delete the "to" file, this is required on some systems to make the
6232 * mch_rename() work, on other systems it makes sure that we don't have
6233 * two files when the mch_rename() fails.
6238 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible
6239 * that the name of the "to" file is the same as the "from" file, even
6240 * though the names are different. To avoid the chance of accidentally
6241 * deleting the "from" file (horror!) we lock it during the remove.
6243 * When used for making a backup before writing the file: This should not
6244 * happen with ":w", because startscript() should detect this problem and
6245 * set buf->b_shortname, causing modname() to return a correct ".bak" file
6246 * name. This problem does exist with ":w filename", but then the
6247 * original file will be somewhere else so the backup isn't really
6248 * important. If autoscripting is off the rename may fail.
6250 flock
= Lock((UBYTE
*)from
, (long)ACCESS_READ
);
6259 * First try a normal rename, return if it works.
6261 if (mch_rename((char *)from
, (char *)to
) == 0)
6265 * Rename() failed, try copying the file.
6267 perm
= mch_getperm(from
);
6269 /* For systems that support ACL: get the ACL from the original file. */
6270 acl
= mch_get_acl(from
);
6272 fd_in
= mch_open((char *)from
, O_RDONLY
|O_EXTRA
, 0);
6281 /* Create the new file with same permissions as the original. */
6282 fd_out
= mch_open((char *)to
,
6283 O_CREAT
|O_EXCL
|O_WRONLY
|O_EXTRA
|O_NOFOLLOW
, (int)perm
);
6293 buffer
= (char *)alloc(BUFSIZE
);
6304 while ((n
= vim_read(fd_in
, buffer
, BUFSIZE
)) > 0)
6305 if (vim_write(fd_out
, buffer
, n
) != n
)
6307 errmsg
= _("E208: Error writing to \"%s\"");
6313 if (close(fd_out
) < 0)
6314 errmsg
= _("E209: Error closing \"%s\"");
6317 errmsg
= _("E210: Error reading \"%s\"");
6320 #ifndef UNIX /* for Unix mch_open() already set the permission */
6321 mch_setperm(to
, perm
);
6324 mch_set_acl(to
, acl
);
6336 static int already_warned
= FALSE
;
6339 * Check if any not hidden buffer has been changed.
6340 * Postpone the check if there are characters in the stuff buffer, a global
6341 * command is being executed, a mapping is being executed or an autocommand is
6343 * Returns TRUE if some message was written (screen should be redrawn and
6344 * cursor positioned).
6347 check_timestamps(focus
)
6348 int focus
; /* called for GUI focus event */
6354 /* Don't check timestamps while system() or another low-level function may
6355 * cause us to lose and gain focus. */
6356 if (no_check_timestamps
> 0)
6359 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus
6360 * event and we would keep on checking if the file is steadily growing.
6361 * Do check again after typing something. */
6362 if (focus
&& did_check_timestamps
)
6364 need_check_timestamps
= TRUE
;
6368 if (!stuff_empty() || global_busy
|| !typebuf_typed()
6370 || autocmd_busy
|| curbuf_lock
> 0 || allbuf_lock
> 0
6373 need_check_timestamps
= TRUE
; /* check later */
6377 did_check_timestamps
= TRUE
;
6378 already_warned
= FALSE
;
6379 for (buf
= firstbuf
; buf
!= NULL
; )
6381 /* Only check buffers in a window. */
6382 if (buf
->b_nwindows
> 0)
6384 n
= buf_check_timestamp(buf
, focus
);
6387 if (n
> 0 && !buf_valid(buf
))
6389 /* Autocommands have removed the buffer, start at the
6390 * first one again. */
6398 need_check_timestamps
= FALSE
;
6399 if (need_wait_return
&& didit
== 2)
6401 /* make sure msg isn't overwritten */
6402 msg_puts((char_u
*)"\n");
6410 * Move all the lines from buffer "frombuf" to buffer "tobuf".
6411 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not
6415 move_lines(frombuf
, tobuf
)
6419 buf_T
*tbuf
= curbuf
;
6424 /* Copy the lines in "frombuf" to "tobuf". */
6426 for (lnum
= 1; lnum
<= frombuf
->b_ml
.ml_line_count
; ++lnum
)
6428 p
= vim_strsave(ml_get_buf(frombuf
, lnum
, FALSE
));
6429 if (p
== NULL
|| ml_append(lnum
- 1, p
, 0, FALSE
) == FAIL
)
6438 /* Delete all the lines in "frombuf". */
6442 for (lnum
= curbuf
->b_ml
.ml_line_count
; lnum
> 0; --lnum
)
6443 if (ml_delete(lnum
, FALSE
) == FAIL
)
6445 /* Oops! We could try putting back the saved lines, but that
6446 * might fail again... */
6457 * Check if buffer "buf" has been changed.
6458 * Also check if the file for a new buffer unexpectedly appeared.
6459 * return 1 if a changed buffer was found.
6460 * return 2 if a message has been displayed.
6461 * return 0 otherwise.
6465 buf_check_timestamp(buf
, focus
)
6467 int focus
; /* called for GUI focus event */
6476 int helpmesg
= FALSE
;
6478 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6479 int can_reload
= FALSE
;
6481 size_t orig_size
= buf
->b_orig_size
;
6482 int orig_mode
= buf
->b_orig_mode
;
6484 int save_mouse_correct
= need_mouse_correct
;
6487 static int busy
= FALSE
;
6493 /* If there is no file name, the buffer is not loaded, 'buftype' is
6494 * set, we are in the middle of a save or being called recursively: ignore
6496 if (buf
->b_ffname
== NULL
6497 || buf
->b_ml
.ml_mfp
== NULL
6498 #if defined(FEAT_QUICKFIX)
6499 || *buf
->b_p_bt
!= NUL
6505 #ifdef FEAT_NETBEANS_INTG
6506 || isNetbeansBuffer(buf
)
6511 if ( !(buf
->b_flags
& BF_NOTEDITED
)
6512 && buf
->b_mtime
!= 0
6513 && ((stat_res
= mch_stat((char *)buf
->b_ffname
, &st
)) < 0
6514 || time_differs((long)st
.st_mtime
, buf
->b_mtime
)
6516 || (int)st
.st_mode
!= buf
->b_orig_mode
6518 || mch_getperm(buf
->b_ffname
) != buf
->b_orig_mode
6524 /* set b_mtime to stop further warnings (e.g., when executing
6525 * FileChangedShell autocmd) */
6529 buf
->b_orig_size
= 0;
6530 buf
->b_orig_mode
= 0;
6533 buf_store_time(buf
, &st
, buf
->b_ffname
);
6535 /* Don't do anything for a directory. Might contain the file
6537 if (mch_isdir(buf
->b_fname
))
6541 * If 'autoread' is set, the buffer has no changes and the file still
6542 * exists, reload the buffer. Use the buffer-local option value if it
6543 * was set, the global option value otherwise.
6545 else if ((buf
->b_p_ar
>= 0 ? buf
->b_p_ar
: p_ar
)
6546 && !bufIsChanged(buf
) && stat_res
>= 0)
6552 else if (bufIsChanged(buf
))
6553 reason
= "conflict";
6554 else if (orig_size
!= buf
->b_orig_size
|| buf_contents_changed(buf
))
6556 else if (orig_mode
!= buf
->b_orig_mode
)
6563 * Only give the warning if there are no FileChangedShell
6565 * Avoid being called recursively by setting "busy".
6569 set_vim_var_string(VV_FCS_REASON
, (char_u
*)reason
, -1);
6570 set_vim_var_string(VV_FCS_CHOICE
, (char_u
*)"", -1);
6573 n
= apply_autocmds(EVENT_FILECHANGEDSHELL
,
6574 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6579 if (!buf_valid(buf
))
6580 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));
6582 s
= get_vim_var_str(VV_FCS_CHOICE
);
6583 if (STRCMP(s
, "reload") == 0 && *reason
!= 'd')
6585 else if (STRCMP(s
, "ask") == 0)
6595 mesg
= _("E211: File \"%s\" no longer available");
6599 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6603 * Check if the file contents really changed to avoid
6604 * giving a warning when only the timestamp was set (e.g.,
6605 * checked out of CVS). Always warn when the buffer was
6608 if (reason
[2] == 'n')
6610 mesg
= _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well");
6611 mesg2
= _("See \":help W12\" for more info.");
6613 else if (reason
[1] == 'h')
6615 mesg
= _("W11: Warning: File \"%s\" has changed since editing started");
6616 mesg2
= _("See \":help W11\" for more info.");
6618 else if (*reason
== 'm')
6620 mesg
= _("W16: Warning: Mode of file \"%s\" has changed since editing started");
6621 mesg2
= _("See \":help W16\" for more info.");
6623 /* Else: only timestamp changed, ignored */
6629 else if ((buf
->b_flags
& BF_NEW
) && !(buf
->b_flags
& BF_NEW_W
)
6630 && vim_fexists(buf
->b_ffname
))
6633 mesg
= _("W13: Warning: File \"%s\" has been created after editing started");
6634 buf
->b_flags
|= BF_NEW_W
;
6635 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6642 path
= home_replace_save(buf
, buf
->b_fname
);
6647 tbuf
= alloc((unsigned)(STRLEN(path
) + STRLEN(mesg
)
6648 + STRLEN(mesg2
) + 2));
6649 sprintf((char *)tbuf
, mesg
, path
);
6651 /* Set warningmsg here, before the unimportant and output-specific
6652 * mesg2 has been appended. */
6653 set_vim_var_string(VV_WARNINGMSG
, tbuf
, -1);
6655 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6661 STRCAT(tbuf
, mesg2
);
6663 if (do_dialog(VIM_WARNING
, (char_u
*)_("Warning"), tbuf
,
6664 (char_u
*)_("&OK\n&Load File"), 1, NULL
) == 2)
6669 if (State
> NORMAL_BUSY
|| (State
& CMDLINE
) || already_warned
)
6674 STRCAT(tbuf
, mesg2
);
6681 # ifdef FEAT_AUTOCMD
6686 msg_puts_attr(tbuf
, hl_attr(HLF_E
) + MSG_HIST
);
6688 msg_puts_attr((char_u
*)mesg2
,
6689 hl_attr(HLF_W
) + MSG_HIST
);
6692 if (emsg_silent
== 0)
6698 /* give the user some time to think about it */
6699 ui_delay(1000L, TRUE
);
6701 /* don't redraw and erase the message */
6702 redraw_cmdline
= FALSE
;
6705 already_warned
= TRUE
;
6714 /* Reload the buffer. */
6715 buf_reload(buf
, orig_mode
);
6718 /* Trigger FileChangedShell when the file was changed in any way. */
6719 if (buf_valid(buf
) && retval
!= 0)
6720 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST
,
6721 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6724 /* restore this in case an autocommand has set it; it would break
6726 need_mouse_correct
= save_mouse_correct
;
6733 * Reload a buffer that is already loaded.
6734 * Used when the file was changed outside of Vim.
6735 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected.
6736 * buf->b_orig_mode may have been reset already.
6739 buf_reload(buf
, orig_mode
)
6745 linenr_T old_topline
;
6746 int old_ro
= buf
->b_p_ro
;
6751 /* set curwin/curbuf for "buf" and save some things */
6752 aucmd_prepbuf(&aco
, buf
);
6754 /* We only want to read the text from the file, not reset the syntax
6755 * highlighting, clear marks, diff status, etc. Force the fileformat
6756 * and encoding to be the same. */
6757 if (prep_exarg(&ea
, buf
) == OK
)
6759 old_cursor
= curwin
->w_cursor
;
6760 old_topline
= curwin
->w_topline
;
6763 * To behave like when a new file is edited (matters for
6764 * BufReadPost autocommands) we first need to delete the current
6765 * buffer contents. But if reading the file fails we should keep
6766 * the old contents. Can't use memory only, the file might be
6767 * too big. Use a hidden buffer to move the buffer contents to.
6773 /* Allocate a buffer without putting it in the buffer list. */
6774 savebuf
= buflist_new(NULL
, NULL
, (linenr_T
)1, BLN_DUMMY
);
6775 if (savebuf
!= NULL
&& buf
== curbuf
)
6777 /* Open the memline. */
6779 curwin
->w_buffer
= savebuf
;
6780 saved
= ml_open(curbuf
);
6782 curwin
->w_buffer
= buf
;
6784 if (savebuf
== NULL
|| saved
== FAIL
|| buf
!= curbuf
6785 || move_lines(buf
, savebuf
) == FAIL
)
6787 EMSG2(_("E462: Could not prepare for reloading \"%s\""),
6795 curbuf
->b_flags
|= BF_CHECK_RO
; /* check for RO again */
6797 keep_filetype
= TRUE
; /* don't detect 'filetype' */
6799 if (readfile(buf
->b_ffname
, buf
->b_fname
, (linenr_T
)0,
6801 (linenr_T
)MAXLNUM
, &ea
, READ_NEW
) == FAIL
)
6803 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
6806 EMSG2(_("E321: Could not reload \"%s\""), buf
->b_fname
);
6807 if (savebuf
!= NULL
&& buf_valid(savebuf
) && buf
== curbuf
)
6809 /* Put the text back from the save buffer. First
6810 * delete any lines that readfile() added. */
6812 if (ml_delete(buf
->b_ml
.ml_line_count
, FALSE
) == FAIL
)
6814 (void)move_lines(savebuf
, buf
);
6817 else if (buf
== curbuf
)
6819 /* Mark the buffer as unmodified and free undo info. */
6820 unchanged(buf
, TRUE
);
6827 if (savebuf
!= NULL
&& buf_valid(savebuf
))
6828 wipe_buffer(savebuf
, FALSE
);
6831 /* Invalidate diff info if necessary. */
6832 diff_invalidate(curbuf
);
6835 /* Restore the topline and cursor position and check it (lines may
6836 * have been removed). */
6837 if (old_topline
> curbuf
->b_ml
.ml_line_count
)
6838 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
6840 curwin
->w_topline
= old_topline
;
6841 curwin
->w_cursor
= old_cursor
;
6845 keep_filetype
= FALSE
;
6852 /* Update folds unless they are defined manually. */
6853 FOR_ALL_TAB_WINDOWS(tp
, wp
)
6854 if (wp
->w_buffer
== curwin
->w_buffer
6855 && !foldmethodIsManual(wp
))
6859 /* If the mode didn't change and 'readonly' was set, keep the old
6860 * value; the user probably used the ":view" command. But don't
6861 * reset it, might have had a read error. */
6862 if (orig_mode
== curbuf
->b_orig_mode
)
6863 curbuf
->b_p_ro
|= old_ro
;
6866 /* restore curwin/curbuf and a few other things */
6867 aucmd_restbuf(&aco
);
6868 /* Careful: autocommands may have made "buf" invalid! */
6873 buf_store_time(buf
, st
, fname
)
6878 buf
->b_mtime
= (long)st
->st_mtime
;
6879 buf
->b_orig_size
= (size_t)st
->st_size
;
6881 buf
->b_orig_mode
= (int)st
->st_mode
;
6883 buf
->b_orig_mode
= mch_getperm(fname
);
6888 * Adjust the line with missing eol, used for the next write.
6889 * Used for do_filter(), when the input lines for the filter are deleted.
6892 write_lnum_adjust(offset
)
6895 if (write_no_eol_lnum
!= 0) /* only if there is a missing eol */
6896 write_no_eol_lnum
+= offset
;
6899 #if defined(TEMPDIRNAMES) || defined(PROTO)
6900 static long temp_count
= 0; /* Temp filename counter. */
6903 * Delete the temp directory and all files it contains.
6912 if (vim_tempdir
!= NULL
)
6914 sprintf((char *)NameBuff
, "%s*", vim_tempdir
);
6915 if (gen_expand_wildcards(1, &NameBuff
, &file_count
, &files
,
6916 EW_DIR
|EW_FILE
|EW_SILENT
) == OK
)
6918 for (i
= 0; i
< file_count
; ++i
)
6919 mch_remove(files
[i
]);
6920 FreeWild(file_count
, files
);
6922 gettail(NameBuff
)[-1] = NUL
;
6923 (void)mch_rmdir(NameBuff
);
6925 vim_free(vim_tempdir
);
6932 * vim_tempname(): Return a unique name that can be used for a temp file.
6934 * The temp file is NOT created.
6936 * The returned pointer is to allocated memory.
6937 * The returned pointer is NULL if no valid name was found.
6941 vim_tempname(extra_char
)
6942 int extra_char
; /* character to use in the name instead of '?' */
6945 char_u itmp
[L_tmpnam
]; /* use tmpnam() */
6947 char_u itmp
[TEMPNAMELEN
];
6951 static char *(tempdirs
[]) = {TEMPDIRNAMES
};
6960 * This will create a directory for private use by this instance of Vim.
6961 * This is done once, and the same directory is used for all temp files.
6962 * This method avoids security problems because of symlink attacks et al.
6963 * It's also a bit faster, because we only need to check for an existing
6964 * file when creating the directory and not for each temp file.
6966 if (vim_tempdir
== NULL
)
6969 * Try the entries in TEMPDIRNAMES to create the temp directory.
6971 for (i
= 0; i
< sizeof(tempdirs
) / sizeof(char *); ++i
)
6973 /* expand $TMP, leave room for "/v1100000/999999999" */
6974 expand_env((char_u
*)tempdirs
[i
], itmp
, TEMPNAMELEN
- 20);
6975 if (mch_isdir(itmp
)) /* directory exists */
6978 /* If $TMP contains a forward slash (perhaps using bash or
6979 * tcsh), don't add a backslash, use a forward slash!
6980 * Adding 2 backslashes didn't work. */
6981 if (vim_strchr(itmp
, '/') != NULL
)
6987 /* Get an arbitrary number of up to 6 digits. When it's
6988 * unlikely that it already exists it will be faster,
6989 * otherwise it doesn't matter. The use of mkdir() avoids any
6990 * security problems because of the predictable number. */
6991 nr
= (mch_get_pid() + (long)time(NULL
)) % 1000000L;
6993 /* Try up to 10000 different values until we find a name that
6995 for (off
= 0; off
< 10000L; ++off
)
6998 #if defined(UNIX) || defined(VMS)
7002 sprintf((char *)itmp
+ STRLEN(itmp
), "v%ld", nr
+ off
);
7004 /* If mkdir() does not set errno to EEXIST, check for
7005 * existing file here. There is a race condition then,
7006 * although it's fail-safe. */
7007 if (mch_stat((char *)itmp
, &st
) >= 0)
7010 #if defined(UNIX) || defined(VMS)
7011 /* Make sure the umask doesn't remove the executable bit.
7012 * "repl" has been reported to use "177". */
7013 umask_save
= umask(077);
7015 r
= vim_mkdir(itmp
, 0700);
7016 #if defined(UNIX) || defined(VMS)
7017 (void)umask(umask_save
);
7023 /* Directory was created, use this name.
7024 * Expand to full path; When using the current
7025 * directory a ":cd" would confuse us. */
7026 buf
= alloc((unsigned)MAXPATHL
+ 1);
7029 if (vim_FullName(itmp
, buf
, MAXPATHL
, FALSE
)
7033 if (vim_strchr(buf
, '/') != NULL
)
7038 vim_tempdir
= vim_strsave(buf
);
7044 /* If the mkdir() didn't fail because the file/dir exists,
7045 * we probably can't create any dir here, try another
7047 if (errno
!= EEXIST
)
7051 if (vim_tempdir
!= NULL
)
7057 if (vim_tempdir
!= NULL
)
7059 /* There is no need to check if the file exists, because we own the
7060 * directory and nobody else creates a file in it. */
7061 sprintf((char *)itmp
, "%s%ld", vim_tempdir
, temp_count
++);
7062 return vim_strsave(itmp
);
7067 #else /* TEMPDIRNAMES */
7070 char szTempFile
[_MAX_PATH
+ 1];
7076 if (GetTempPath(_MAX_PATH
, szTempFile
) == 0)
7077 szTempFile
[0] = NUL
; /* GetTempPath() failed, use current dir */
7078 strcpy(buf4
, "VIM");
7079 buf4
[2] = extra_char
; /* make it "VIa", "VIb", etc. */
7080 if (GetTempFileName(szTempFile
, buf4
, 0, itmp
) == 0)
7082 /* GetTempFileName() will create the file, we don't want that */
7083 (void)DeleteFile(itmp
);
7085 /* Backslashes in a temp file name cause problems when filtering with
7086 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who
7087 * didn't set 'shellslash'. */
7088 retval
= vim_strsave(itmp
);
7089 if (*p_shcf
== '-' || p_ssl
)
7090 for (p
= retval
; *p
; ++p
)
7095 # else /* WIN3264 */
7098 /* tmpnam() will make its own name */
7099 if (*tmpnam((char *)itmp
) == NUL
)
7105 /* mktemp() is not working on VMS. It seems to be
7106 * a do-nothing function. Therefore we use tempnam().
7108 sprintf((char *)itmp
, "VIM%c", extra_char
);
7109 p
= (char_u
*)tempnam("tmp:", (char *)itmp
);
7112 /* VMS will use '.LOG' if we don't explicitly specify an extension,
7113 * and VIM will then be unable to find the file later */
7115 STRCAT(itmp
, ".txt");
7121 STRCPY(itmp
, TEMPNAME
);
7122 if ((p
= vim_strchr(itmp
, '?')) != NULL
)
7124 if (mktemp((char *)itmp
) == NULL
)
7129 return vim_strsave(itmp
);
7130 # endif /* WIN3264 */
7131 #endif /* TEMPDIRNAMES */
7134 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7136 * Convert all backslashes in fname to forward slashes in-place.
7139 forward_slash(fname
)
7144 for (p
= fname
; *p
!= NUL
; ++p
)
7146 /* The Big5 encoding can have '\' in the trail byte. */
7147 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
7158 * Code for automatic commands.
7160 * Only included when "FEAT_AUTOCMD" has been defined.
7163 #if defined(FEAT_AUTOCMD) || defined(PROTO)
7166 * The autocommands are stored in a list for each event.
7167 * Autocommands for the same pattern, that are consecutive, are joined
7168 * together, to avoid having to match the pattern too often.
7169 * The result is an array of Autopat lists, which point to AutoCmd lists:
7171 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL
7172 * Autopat.cmds Autopat.cmds
7175 * AutoCmd.next AutoCmd.next
7183 * first_autopat[1] --> Autopat.next --> NULL
7193 * The order of AutoCmds is important, this is the order in which they were
7194 * defined and will have to be executed.
7196 typedef struct AutoCmd
7198 char_u
*cmd
; /* The command to be executed (NULL
7199 when command has been removed) */
7200 char nested
; /* If autocommands nest here */
7201 char last
; /* last command in list */
7203 scid_T scriptID
; /* script ID where defined */
7205 struct AutoCmd
*next
; /* Next AutoCmd in list */
7208 typedef struct AutoPat
7210 int group
; /* group ID */
7211 char_u
*pat
; /* pattern as typed (NULL when pattern
7212 has been removed) */
7213 int patlen
; /* strlen() of pat */
7214 regprog_T
*reg_prog
; /* compiled regprog for pattern */
7215 char allow_dirs
; /* Pattern may match whole path */
7216 char last
; /* last pattern for apply_autocmds() */
7217 AutoCmd
*cmds
; /* list of commands to do */
7218 struct AutoPat
*next
; /* next AutoPat in AutoPat list */
7219 int buflocal_nr
; /* !=0 for buffer-local AutoPat */
7222 static struct event_name
7224 char *name
; /* event name */
7225 event_T event
; /* event number */
7228 {"BufAdd", EVENT_BUFADD
},
7229 {"BufCreate", EVENT_BUFADD
},
7230 {"BufDelete", EVENT_BUFDELETE
},
7231 {"BufEnter", EVENT_BUFENTER
},
7232 {"BufFilePost", EVENT_BUFFILEPOST
},
7233 {"BufFilePre", EVENT_BUFFILEPRE
},
7234 {"BufHidden", EVENT_BUFHIDDEN
},
7235 {"BufLeave", EVENT_BUFLEAVE
},
7236 {"BufNew", EVENT_BUFNEW
},
7237 {"BufNewFile", EVENT_BUFNEWFILE
},
7238 {"BufRead", EVENT_BUFREADPOST
},
7239 {"BufReadCmd", EVENT_BUFREADCMD
},
7240 {"BufReadPost", EVENT_BUFREADPOST
},
7241 {"BufReadPre", EVENT_BUFREADPRE
},
7242 {"BufUnload", EVENT_BUFUNLOAD
},
7243 {"BufWinEnter", EVENT_BUFWINENTER
},
7244 {"BufWinLeave", EVENT_BUFWINLEAVE
},
7245 {"BufWipeout", EVENT_BUFWIPEOUT
},
7246 {"BufWrite", EVENT_BUFWRITEPRE
},
7247 {"BufWritePost", EVENT_BUFWRITEPOST
},
7248 {"BufWritePre", EVENT_BUFWRITEPRE
},
7249 {"BufWriteCmd", EVENT_BUFWRITECMD
},
7250 {"CmdwinEnter", EVENT_CMDWINENTER
},
7251 {"CmdwinLeave", EVENT_CMDWINLEAVE
},
7252 {"ColorScheme", EVENT_COLORSCHEME
},
7253 {"CursorHold", EVENT_CURSORHOLD
},
7254 {"CursorHoldI", EVENT_CURSORHOLDI
},
7255 {"CursorMoved", EVENT_CURSORMOVED
},
7256 {"CursorMovedI", EVENT_CURSORMOVEDI
},
7257 {"EncodingChanged", EVENT_ENCODINGCHANGED
},
7258 {"FileEncoding", EVENT_ENCODINGCHANGED
},
7259 {"FileAppendPost", EVENT_FILEAPPENDPOST
},
7260 {"FileAppendPre", EVENT_FILEAPPENDPRE
},
7261 {"FileAppendCmd", EVENT_FILEAPPENDCMD
},
7262 {"FileChangedShell",EVENT_FILECHANGEDSHELL
},
7263 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST
},
7264 {"FileChangedRO", EVENT_FILECHANGEDRO
},
7265 {"FileReadPost", EVENT_FILEREADPOST
},
7266 {"FileReadPre", EVENT_FILEREADPRE
},
7267 {"FileReadCmd", EVENT_FILEREADCMD
},
7268 {"FileType", EVENT_FILETYPE
},
7269 {"FileWritePost", EVENT_FILEWRITEPOST
},
7270 {"FileWritePre", EVENT_FILEWRITEPRE
},
7271 {"FileWriteCmd", EVENT_FILEWRITECMD
},
7272 {"FilterReadPost", EVENT_FILTERREADPOST
},
7273 {"FilterReadPre", EVENT_FILTERREADPRE
},
7274 {"FilterWritePost", EVENT_FILTERWRITEPOST
},
7275 {"FilterWritePre", EVENT_FILTERWRITEPRE
},
7276 {"FocusGained", EVENT_FOCUSGAINED
},
7277 {"FocusLost", EVENT_FOCUSLOST
},
7278 {"FuncUndefined", EVENT_FUNCUNDEFINED
},
7279 {"GUIEnter", EVENT_GUIENTER
},
7280 {"GUIFailed", EVENT_GUIFAILED
},
7281 {"InsertChange", EVENT_INSERTCHANGE
},
7282 {"InsertEnter", EVENT_INSERTENTER
},
7283 {"InsertLeave", EVENT_INSERTLEAVE
},
7284 {"MenuPopup", EVENT_MENUPOPUP
},
7285 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST
},
7286 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE
},
7287 {"RemoteReply", EVENT_REMOTEREPLY
},
7288 {"SessionLoadPost", EVENT_SESSIONLOADPOST
},
7289 {"ShellCmdPost", EVENT_SHELLCMDPOST
},
7290 {"ShellFilterPost", EVENT_SHELLFILTERPOST
},
7291 {"SourcePre", EVENT_SOURCEPRE
},
7292 {"SourceCmd", EVENT_SOURCECMD
},
7293 {"SpellFileMissing",EVENT_SPELLFILEMISSING
},
7294 {"StdinReadPost", EVENT_STDINREADPOST
},
7295 {"StdinReadPre", EVENT_STDINREADPRE
},
7296 {"SwapExists", EVENT_SWAPEXISTS
},
7297 {"Syntax", EVENT_SYNTAX
},
7298 {"TabEnter", EVENT_TABENTER
},
7299 {"TabLeave", EVENT_TABLEAVE
},
7300 {"TermChanged", EVENT_TERMCHANGED
},
7301 {"TermResponse", EVENT_TERMRESPONSE
},
7302 {"User", EVENT_USER
},
7303 {"VimEnter", EVENT_VIMENTER
},
7304 {"VimLeave", EVENT_VIMLEAVE
},
7305 {"VimLeavePre", EVENT_VIMLEAVEPRE
},
7306 {"WinEnter", EVENT_WINENTER
},
7307 {"WinLeave", EVENT_WINLEAVE
},
7308 {"VimResized", EVENT_VIMRESIZED
},
7312 static AutoPat
*first_autopat
[NUM_EVENTS
] =
7314 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7315 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7316 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7317 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7318 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7319 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
7323 * struct used to keep status while executing autocommands for an event.
7325 typedef struct AutoPatCmd
7327 AutoPat
*curpat
; /* next AutoPat to examine */
7328 AutoCmd
*nextcmd
; /* next AutoCmd to execute */
7329 int group
; /* group being used */
7330 char_u
*fname
; /* fname to match with */
7331 char_u
*sfname
; /* sfname to match with */
7332 char_u
*tail
; /* tail of fname */
7333 event_T event
; /* current event */
7334 int arg_bufnr
; /* initially equal to <abuf>, set to zero when
7336 struct AutoPatCmd
*next
; /* chain of active apc-s for auto-invalidation*/
7339 static AutoPatCmd
*active_apc_list
= NULL
; /* stack of active autocommands */
7342 * augroups stores a list of autocmd group names.
7344 static garray_T augroups
= {0, 0, sizeof(char_u
*), 10, NULL
};
7345 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i])
7348 * The ID of the current group. Group 0 is the default one.
7350 static int current_augroup
= AUGROUP_DEFAULT
;
7352 static int au_need_clean
= FALSE
; /* need to delete marked patterns */
7354 static void show_autocmd
__ARGS((AutoPat
*ap
, event_T event
));
7355 static void au_remove_pat
__ARGS((AutoPat
*ap
));
7356 static void au_remove_cmds
__ARGS((AutoPat
*ap
));
7357 static void au_cleanup
__ARGS((void));
7358 static int au_new_group
__ARGS((char_u
*name
));
7359 static void au_del_group
__ARGS((char_u
*name
));
7360 static event_T event_name2nr
__ARGS((char_u
*start
, char_u
**end
));
7361 static char_u
*event_nr2name
__ARGS((event_T event
));
7362 static char_u
*find_end_event
__ARGS((char_u
*arg
, int have_group
));
7363 static int event_ignored
__ARGS((event_T event
));
7364 static int au_get_grouparg
__ARGS((char_u
**argp
));
7365 static int do_autocmd_event
__ARGS((event_T event
, char_u
*pat
, int nested
, char_u
*cmd
, int forceit
, int group
));
7366 static char_u
*getnextac
__ARGS((int c
, void *cookie
, int indent
));
7367 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
));
7368 static void auto_next_pat
__ARGS((AutoPatCmd
*apc
, int stop_at_last
));
7371 static event_T last_event
;
7372 static int last_group
;
7373 static int autocmd_blocked
= 0; /* block all autocmds */
7376 * Show the autocommands for one AutoPat.
7379 show_autocmd(ap
, event
)
7385 /* Check for "got_int" (here and at various places below), which is set
7386 * when "q" has been hit for the "--more--" prompt */
7389 if (ap
->pat
== NULL
) /* pattern has been removed */
7395 if (event
!= last_event
|| ap
->group
!= last_group
)
7397 if (ap
->group
!= AUGROUP_DEFAULT
)
7399 if (AUGROUP_NAME(ap
->group
) == NULL
)
7400 msg_puts_attr((char_u
*)_("--Deleted--"), hl_attr(HLF_E
));
7402 msg_puts_attr(AUGROUP_NAME(ap
->group
), hl_attr(HLF_T
));
7403 msg_puts((char_u
*)" ");
7405 msg_puts_attr(event_nr2name(event
), hl_attr(HLF_T
));
7407 last_group
= ap
->group
;
7413 msg_outtrans(ap
->pat
);
7415 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7417 if (ac
->cmd
!= NULL
) /* skip removed commands */
7424 msg_outtrans(ac
->cmd
);
7427 last_set_msg(ac
->scriptID
);
7431 if (ac
->next
!= NULL
)
7442 * Mark an autocommand pattern for deletion.
7450 ap
->buflocal_nr
= -1;
7451 au_need_clean
= TRUE
;
7455 * Mark all commands for a pattern for deletion.
7463 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7468 au_need_clean
= TRUE
;
7472 * Cleanup autocommands and patterns that have been deleted.
7473 * This is only done when not executing autocommands.
7478 AutoPat
*ap
, **prev_ap
;
7479 AutoCmd
*ac
, **prev_ac
;
7482 if (autocmd_busy
|| !au_need_clean
)
7485 /* loop over all events */
7486 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7487 event
= (event_T
)((int)event
+ 1))
7489 /* loop over all autocommand patterns */
7490 prev_ap
= &(first_autopat
[(int)event
]);
7491 for (ap
= *prev_ap
; ap
!= NULL
; ap
= *prev_ap
)
7493 /* loop over all commands for this pattern */
7494 prev_ac
= &(ap
->cmds
);
7495 for (ac
= *prev_ac
; ac
!= NULL
; ac
= *prev_ac
)
7497 /* remove the command if the pattern is to be deleted or when
7498 * the command has been marked for deletion */
7499 if (ap
->pat
== NULL
|| ac
->cmd
== NULL
)
7501 *prev_ac
= ac
->next
;
7506 prev_ac
= &(ac
->next
);
7509 /* remove the pattern if it has been marked for deletion */
7510 if (ap
->pat
== NULL
)
7512 *prev_ap
= ap
->next
;
7513 vim_free(ap
->reg_prog
);
7517 prev_ap
= &(ap
->next
);
7521 au_need_clean
= FALSE
;
7525 * Called when buffer is freed, to remove/invalidate related buffer-local
7529 aubuflocal_remove(buf
)
7536 /* invalidate currently executing autocommands */
7537 for (apc
= active_apc_list
; apc
; apc
= apc
->next
)
7538 if (buf
->b_fnum
== apc
->arg_bufnr
)
7541 /* invalidate buflocals looping through events */
7542 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7543 event
= (event_T
)((int)event
+ 1))
7544 /* loop over all autocommand patterns */
7545 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
7546 if (ap
->buflocal_nr
== buf
->b_fnum
)
7553 _("auto-removing autocommand: %s <buffer=%d>"),
7554 event_nr2name(event
), buf
->b_fnum
);
7562 * Add an autocmd group name.
7563 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7571 i
= au_find_group(name
);
7572 if (i
== AUGROUP_ERROR
) /* the group doesn't exist yet, add it */
7574 /* First try using a free entry. */
7575 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7576 if (AUGROUP_NAME(i
) == NULL
)
7578 if (i
== augroups
.ga_len
&& ga_grow(&augroups
, 1) == FAIL
)
7579 return AUGROUP_ERROR
;
7581 AUGROUP_NAME(i
) = vim_strsave(name
);
7582 if (AUGROUP_NAME(i
) == NULL
)
7583 return AUGROUP_ERROR
;
7584 if (i
== augroups
.ga_len
)
7597 i
= au_find_group(name
);
7598 if (i
== AUGROUP_ERROR
) /* the group doesn't exist */
7599 EMSG2(_("E367: No such group: \"%s\""), name
);
7602 vim_free(AUGROUP_NAME(i
));
7603 AUGROUP_NAME(i
) = NULL
;
7608 * Find the ID of an autocmd group name.
7609 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7617 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7618 if (AUGROUP_NAME(i
) != NULL
&& STRCMP(AUGROUP_NAME(i
), name
) == 0)
7620 return AUGROUP_ERROR
;
7624 * Return TRUE if augroup "name" exists.
7630 return au_find_group(name
) != AUGROUP_ERROR
;
7634 * ":augroup {name}".
7637 do_augroup(arg
, del_group
)
7650 else if (STRICMP(arg
, "end") == 0) /* ":aug end": back to group 0 */
7651 current_augroup
= AUGROUP_DEFAULT
;
7652 else if (*arg
) /* ":aug xxx": switch to group xxx */
7654 i
= au_new_group(arg
);
7655 if (i
!= AUGROUP_ERROR
)
7656 current_augroup
= i
;
7658 else /* ":aug": list the group names */
7661 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7663 if (AUGROUP_NAME(i
) != NULL
)
7665 msg_puts(AUGROUP_NAME(i
));
7666 msg_puts((char_u
*)" ");
7674 #if defined(EXITFREE) || defined(PROTO)
7678 for (current_augroup
= -1; current_augroup
< augroups
.ga_len
;
7680 do_autocmd((char_u
*)"", TRUE
);
7681 ga_clear_strings(&augroups
);
7686 * Return the event number for event name "start".
7687 * Return NUM_EVENTS if the event name was not found.
7688 * Return a pointer to the next event name in "end".
7691 event_name2nr(start
, end
)
7699 /* the event name ends with end of line, a blank or a comma */
7700 for (p
= start
; *p
&& !vim_iswhite(*p
) && *p
!= ','; ++p
)
7702 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7704 len
= (int)STRLEN(event_names
[i
].name
);
7705 if (len
== p
- start
&& STRNICMP(event_names
[i
].name
, start
, len
) == 0)
7711 if (event_names
[i
].name
== NULL
)
7713 return event_names
[i
].event
;
7717 * Return the name for event "event".
7720 event_nr2name(event
)
7725 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7726 if (event_names
[i
].event
== event
)
7727 return (char_u
*)event_names
[i
].name
;
7728 return (char_u
*)"Unknown";
7732 * Scan over the events. "*" stands for all events.
7735 find_end_event(arg
, have_group
)
7737 int have_group
; /* TRUE when group name was found */
7744 if (arg
[1] && !vim_iswhite(arg
[1]))
7746 EMSG2(_("E215: Illegal character after *: %s"), arg
);
7753 for (pat
= arg
; *pat
&& !vim_iswhite(*pat
); pat
= p
)
7755 if ((int)event_name2nr(pat
, &p
) >= (int)NUM_EVENTS
)
7758 EMSG2(_("E216: No such event: %s"), pat
);
7760 EMSG2(_("E216: No such group or event: %s"), pat
);
7769 * Return TRUE if "event" is included in 'eventignore'.
7772 event_ignored(event
)
7779 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7781 if (event_name2nr(p
, &p
) == event
)
7789 * Return OK when the contents of p_ei is valid, FAIL otherwise.
7798 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7804 else if (event_name2nr(p
, &p
) == NUM_EVENTS
)
7811 # if defined(FEAT_SYN_HL) || defined(PROTO)
7814 * Add "what" to 'eventignore' to skip loading syntax highlighting for every
7815 * buffer loaded into the window. "what" must start with a comma.
7816 * Returns the old value of 'eventignore' in allocated memory.
7819 au_event_disable(what
)
7825 save_ei
= vim_strsave(p_ei
);
7826 if (save_ei
!= NULL
)
7828 new_ei
= vim_strnsave(p_ei
, (int)(STRLEN(p_ei
) + STRLEN(what
)));
7831 STRCAT(new_ei
, what
);
7832 set_string_option_direct((char_u
*)"ei", -1, new_ei
,
7833 OPT_FREE
, SID_NONE
);
7841 au_event_restore(old_ei
)
7846 set_string_option_direct((char_u
*)"ei", -1, old_ei
,
7847 OPT_FREE
, SID_NONE
);
7851 # endif /* FEAT_SYN_HL */
7854 * do_autocmd() -- implements the :autocmd command. Can be used in the
7857 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that
7858 * will be automatically executed for <event>
7859 * when editing a file matching <pat>, in
7860 * the current group.
7861 * :autocmd <event> <pat> Show the auto-commands associated with
7862 * <event> and <pat>.
7863 * :autocmd <event> Show the auto-commands associated with
7865 * :autocmd Show all auto-commands.
7866 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with
7867 * <event> and <pat>, and add the command
7868 * <cmd>, for the current group.
7869 * :autocmd! <event> <pat> Remove all auto-commands associated with
7870 * <event> and <pat> for the current group.
7871 * :autocmd! <event> Remove all auto-commands associated with
7872 * <event> for the current group.
7873 * :autocmd! Remove ALL auto-commands for the current
7876 * Multiple events and patterns may be given separated by commas. Here are
7878 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic
7879 * :autocmd bufleave * set tw=79 nosmartindent ic infercase
7881 * :autocmd * *.c show all autocommands for *.c files.
7883 * Mostly a {group} argument can optionally appear before <event>.
7886 do_autocmd(arg
, forceit
)
7891 char_u
*envpat
= NULL
;
7894 int need_free
= FALSE
;
7899 * Check for a legal group name. If not, use AUGROUP_ALL.
7901 group
= au_get_grouparg(&arg
);
7902 if (arg
== NULL
) /* out of memory */
7906 * Scan over the events.
7907 * If we find an illegal name, return here, don't do anything.
7909 pat
= find_end_event(arg
, group
!= AUGROUP_ALL
);
7914 * Scan over the pattern. Put a NUL at the end.
7916 pat
= skipwhite(pat
);
7918 while (*cmd
&& (!vim_iswhite(*cmd
) || cmd
[-1] == '\\'))
7923 /* Expand environment variables in the pattern. Set 'shellslash', we want
7924 * forward slashes here. */
7925 if (vim_strchr(pat
, '$') != NULL
|| vim_strchr(pat
, '~') != NULL
)
7927 #ifdef BACKSLASH_IN_FILENAME
7928 int p_ssl_save
= p_ssl
;
7932 envpat
= expand_env_save(pat
);
7933 #ifdef BACKSLASH_IN_FILENAME
7941 * Check for "nested" flag.
7943 cmd
= skipwhite(cmd
);
7944 if (*cmd
!= NUL
&& STRNCMP(cmd
, "nested", 6) == 0 && vim_iswhite(cmd
[6]))
7947 cmd
= skipwhite(cmd
+ 6);
7951 * Find the start of the commands.
7952 * Expand <sfile> in it.
7956 cmd
= expand_sfile(cmd
);
7957 if (cmd
== NULL
) /* some error */
7963 * Print header when showing autocommands.
7965 if (!forceit
&& *cmd
== NUL
)
7967 /* Highlight title */
7968 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---"));
7972 * Loop over the events.
7974 last_event
= (event_T
)-1; /* for listing the event name */
7975 last_group
= AUGROUP_ERROR
; /* for listing the group name */
7976 if (*arg
== '*' || *arg
== NUL
)
7978 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7979 event
= (event_T
)((int)event
+ 1))
7980 if (do_autocmd_event(event
, pat
,
7981 nested
, cmd
, forceit
, group
) == FAIL
)
7986 while (*arg
&& !vim_iswhite(*arg
))
7987 if (do_autocmd_event(event_name2nr(arg
, &arg
), pat
,
7988 nested
, cmd
, forceit
, group
) == FAIL
)
7998 * Find the group ID in a ":autocmd" or ":doautocmd" argument.
7999 * The "argp" argument is advanced to the following argument.
8001 * Returns the group ID, AUGROUP_ERROR for error (out of memory).
8004 au_get_grouparg(argp
)
8009 char_u
*arg
= *argp
;
8010 int group
= AUGROUP_ALL
;
8012 p
= skiptowhite(arg
);
8015 group_name
= vim_strnsave(arg
, (int)(p
- arg
));
8016 if (group_name
== NULL
) /* out of memory */
8017 return AUGROUP_ERROR
;
8018 group
= au_find_group(group_name
);
8019 if (group
== AUGROUP_ERROR
)
8020 group
= AUGROUP_ALL
; /* no match, use all groups */
8022 *argp
= skipwhite(p
); /* match, skip over group name */
8023 vim_free(group_name
);
8029 * do_autocmd() for one event.
8030 * If *pat == NUL do for all patterns.
8031 * If *cmd == NUL show entries.
8032 * If forceit == TRUE delete entries.
8033 * If group is not AUGROUP_ALL, only use this group.
8036 do_autocmd_event(event
, pat
, nested
, cmd
, forceit
, group
)
8055 char_u buflocal_pat
[25]; /* for "<buffer=X>" */
8057 if (group
== AUGROUP_ALL
)
8058 findgroup
= current_augroup
;
8061 allgroups
= (group
== AUGROUP_ALL
&& !forceit
&& *cmd
== NUL
);
8064 * Show or delete all patterns for an event.
8068 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
8070 if (forceit
) /* delete the AutoPat, if it's in the current group */
8072 if (ap
->group
== findgroup
)
8075 else if (group
== AUGROUP_ALL
|| ap
->group
== group
)
8076 show_autocmd(ap
, event
);
8081 * Loop through all the specified patterns.
8083 for ( ; *pat
; pat
= (*endpat
== ',' ? endpat
+ 1 : endpat
))
8086 * Find end of the pattern.
8087 * Watch out for a comma in braces, like "*.\{obj,o\}".
8090 for (endpat
= pat
; *endpat
&& (*endpat
!= ',' || brace_level
8091 || endpat
[-1] == '\\'); ++endpat
)
8095 else if (*endpat
== '}')
8098 if (pat
== endpat
) /* ignore single comma */
8100 patlen
= (int)(endpat
- pat
);
8103 * detect special <buflocal[=X]> buffer-local patterns
8105 is_buflocal
= FALSE
;
8108 if (patlen
>= 7 && STRNCMP(pat
, "<buffer", 7) == 0
8109 && pat
[patlen
- 1] == '>')
8111 /* Error will be printed only for addition. printing and removing
8112 * will proceed silently. */
8115 buflocal_nr
= curbuf
->b_fnum
;
8116 else if (patlen
> 9 && pat
[7] == '=')
8119 if (patlen
== 13 && STRNICMP(pat
, "<buffer=abuf>", 13))
8120 buflocal_nr
= autocmd_bufnr
;
8122 else if (skipdigits(pat
+ 8) == pat
+ patlen
- 1)
8123 buflocal_nr
= atoi((char *)pat
+ 8);
8129 /* normalize pat into standard "<buffer>#N" form */
8130 sprintf((char *)buflocal_pat
, "<buffer=%d>", buflocal_nr
);
8131 pat
= buflocal_pat
; /* can modify pat and patlen */
8132 patlen
= (int)STRLEN(buflocal_pat
); /* but not endpat */
8136 * Find AutoPat entries with this pattern.
8138 prev_ap
= &first_autopat
[(int)event
];
8139 while ((ap
= *prev_ap
) != NULL
)
8141 if (ap
->pat
!= NULL
)
8143 /* Accept a pattern when:
8144 * - a group was specified and it's that group, or a group was
8145 * not specified and it's the current group, or a group was
8146 * not specified and we are listing
8147 * - the length of the pattern matches
8148 * - the pattern matches.
8149 * For <buffer[=X]>, this condition works because we normalize
8150 * all buffer-local patterns.
8152 if ((allgroups
|| ap
->group
== findgroup
)
8153 && ap
->patlen
== patlen
8154 && STRNCMP(pat
, ap
->pat
, patlen
) == 0)
8157 * Remove existing autocommands.
8158 * If adding any new autocmd's for this AutoPat, don't
8159 * delete the pattern from the autopat list, append to
8164 if (*cmd
!= NUL
&& ap
->next
== NULL
)
8173 * Show autocmd's for this autopat, or buflocals <buffer=X>
8175 else if (*cmd
== NUL
)
8176 show_autocmd(ap
, event
);
8179 * Add autocmd to this autopat, if it's the last one.
8181 else if (ap
->next
== NULL
)
8185 prev_ap
= &ap
->next
;
8189 * Add a new command.
8194 * If the pattern we want to add a command to does appear at the
8195 * end of the list (or not is not in the list at all), add the
8196 * pattern at the end of the list.
8200 /* refuse to add buffer-local ap if buffer number is invalid */
8201 if (is_buflocal
&& (buflocal_nr
== 0
8202 || buflist_findnr(buflocal_nr
) == NULL
))
8204 EMSGN(_("E680: <buffer=%d>: invalid buffer number "),
8209 ap
= (AutoPat
*)alloc((unsigned)sizeof(AutoPat
));
8212 ap
->pat
= vim_strnsave(pat
, patlen
);
8213 ap
->patlen
= patlen
;
8214 if (ap
->pat
== NULL
)
8222 ap
->buflocal_nr
= buflocal_nr
;
8223 ap
->reg_prog
= NULL
;
8229 ap
->buflocal_nr
= 0;
8230 reg_pat
= file_pat_to_reg_pat(pat
, endpat
,
8231 &ap
->allow_dirs
, TRUE
);
8232 if (reg_pat
!= NULL
)
8233 ap
->reg_prog
= vim_regcomp(reg_pat
, RE_MAGIC
);
8235 if (reg_pat
== NULL
|| ap
->reg_prog
== NULL
)
8245 if (group
== AUGROUP_ALL
)
8246 ap
->group
= current_augroup
;
8252 * Add the autocmd at the end of the AutoCmd list.
8254 prev_ac
= &(ap
->cmds
);
8255 while ((ac
= *prev_ac
) != NULL
)
8256 prev_ac
= &ac
->next
;
8257 ac
= (AutoCmd
*)alloc((unsigned)sizeof(AutoCmd
));
8260 ac
->cmd
= vim_strsave(cmd
);
8262 ac
->scriptID
= current_SID
;
8264 if (ac
->cmd
== NULL
)
8271 ac
->nested
= nested
;
8275 au_cleanup(); /* may really delete removed patterns/commands now */
8280 * Implementation of ":doautocmd [group] event [fname]".
8281 * Return OK for success, FAIL for failure;
8284 do_doautocmd(arg
, do_msg
)
8286 int do_msg
; /* give message for no matching autocmds? */
8289 int nothing_done
= TRUE
;
8293 * Check for a legal group name. If not, use AUGROUP_ALL.
8295 group
= au_get_grouparg(&arg
);
8296 if (arg
== NULL
) /* out of memory */
8301 EMSG(_("E217: Can't execute autocommands for ALL events"));
8306 * Scan over the events.
8307 * If we find an illegal name, return here, don't do anything.
8309 fname
= find_end_event(arg
, group
!= AUGROUP_ALL
);
8313 fname
= skipwhite(fname
);
8316 * Loop over the events.
8318 while (*arg
&& !vim_iswhite(*arg
))
8319 if (apply_autocmds_group(event_name2nr(arg
, &arg
),
8320 fname
, NULL
, TRUE
, group
, curbuf
, NULL
))
8321 nothing_done
= FALSE
;
8323 if (nothing_done
&& do_msg
)
8324 MSG(_("No matching autocommands"));
8327 return aborting() ? FAIL
: OK
;
8334 * ":doautoall": execute autocommands for each loaded buffer.
8345 * This is a bit tricky: For some commands curwin->w_buffer needs to be
8346 * equal to curbuf, but for some buffers there may not be a window.
8347 * So we change the buffer for the current window for a moment. This
8348 * gives problems when the autocommands make changes to the list of
8349 * buffers or windows...
8351 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8353 if (buf
->b_ml
.ml_mfp
!= NULL
)
8355 /* find a window for this buffer and save some values */
8356 aucmd_prepbuf(&aco
, buf
);
8358 /* execute the autocommands for this buffer */
8359 retval
= do_doautocmd(eap
->arg
, FALSE
);
8361 /* Execute the modeline settings, but don't set window-local
8362 * options if we are using the current window for another buffer. */
8363 do_modelines(aco
.save_curwin
== NULL
? OPT_NOWIN
: 0);
8365 /* restore the current window */
8366 aucmd_restbuf(&aco
);
8368 /* stop if there is some error or buffer was deleted */
8369 if (retval
== FAIL
|| !buf_valid(buf
))
8374 check_cursor(); /* just in case lines got deleted */
8378 * Prepare for executing autocommands for (hidden) buffer "buf".
8379 * Search a window for the current buffer. Save the cursor position and
8381 * Set "curbuf" and "curwin" to match "buf".
8382 * When FEAT_AUTOCMD is not defined another version is used, see below.
8385 aucmd_prepbuf(aco
, buf
)
8386 aco_save_T
*aco
; /* structure to save values in */
8387 buf_T
*buf
; /* new curbuf */
8391 aco
->new_curbuf
= buf
;
8393 /* Find a window that is for the new buffer */
8394 if (buf
== curbuf
) /* be quick when buf is curbuf */
8398 for (win
= firstwin
; win
!= NULL
; win
= win
->w_next
)
8399 if (win
->w_buffer
== buf
)
8406 * Prefer to use an existing window for the buffer, it has the least side
8407 * effects (esp. if "buf" is curbuf).
8408 * Otherwise, use curwin for "buf". It might make some items in the
8409 * window invalid. At least save the cursor and topline.
8413 /* there is a window for "buf", make it the curwin */
8414 aco
->save_curwin
= curwin
;
8416 aco
->save_buf
= win
->w_buffer
;
8417 aco
->new_curwin
= win
;
8421 /* there is no window for "buf", use curwin */
8422 aco
->save_curwin
= NULL
;
8423 aco
->save_buf
= curbuf
;
8424 --curbuf
->b_nwindows
;
8425 curwin
->w_buffer
= buf
;
8428 /* save cursor and topline, set them to safe values */
8429 aco
->save_cursor
= curwin
->w_cursor
;
8430 curwin
->w_cursor
.lnum
= 1;
8431 curwin
->w_cursor
.col
= 0;
8432 aco
->save_topline
= curwin
->w_topline
;
8433 curwin
->w_topline
= 1;
8435 aco
->save_topfill
= curwin
->w_topfill
;
8436 curwin
->w_topfill
= 0;
8444 * Cleanup after executing autocommands for a (hidden) buffer.
8445 * Restore the window as it was (if possible).
8446 * When FEAT_AUTOCMD is not defined another version is used, see below.
8450 aco_save_T
*aco
; /* structure holding saved values */
8452 if (aco
->save_curwin
!= NULL
)
8454 /* restore curwin */
8456 if (win_valid(aco
->save_curwin
))
8459 /* restore the buffer which was previously edited by curwin, if
8460 * it's still the same window and it's valid */
8461 if (curwin
== aco
->new_curwin
8462 && buf_valid(aco
->save_buf
)
8463 && aco
->save_buf
->b_ml
.ml_mfp
!= NULL
)
8465 --curbuf
->b_nwindows
;
8466 curbuf
= aco
->save_buf
;
8467 curwin
->w_buffer
= curbuf
;
8468 ++curbuf
->b_nwindows
;
8471 curwin
= aco
->save_curwin
;
8472 curbuf
= curwin
->w_buffer
;
8477 /* restore buffer for curwin if it still exists and is loaded */
8478 if (buf_valid(aco
->save_buf
) && aco
->save_buf
->b_ml
.ml_mfp
!= NULL
)
8480 --curbuf
->b_nwindows
;
8481 curbuf
= aco
->save_buf
;
8482 curwin
->w_buffer
= curbuf
;
8483 ++curbuf
->b_nwindows
;
8484 curwin
->w_cursor
= aco
->save_cursor
;
8486 /* check topline < line_count, in case lines got deleted */
8487 if (aco
->save_topline
<= curbuf
->b_ml
.ml_line_count
)
8489 curwin
->w_topline
= aco
->save_topline
;
8491 curwin
->w_topfill
= aco
->save_topfill
;
8496 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
8498 curwin
->w_topfill
= 0;
8505 static int autocmd_nested
= FALSE
;
8508 * Execute autocommands for "event" and file name "fname".
8509 * Return TRUE if some commands were executed.
8512 apply_autocmds(event
, fname
, fname_io
, force
, buf
)
8514 char_u
*fname
; /* NULL or empty means use actual file name */
8515 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8516 int force
; /* when TRUE, ignore autocmd_busy */
8517 buf_T
*buf
; /* buffer for <abuf> */
8519 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8520 AUGROUP_ALL
, buf
, NULL
);
8524 * Like apply_autocmds(), but with extra "eap" argument. This takes care of
8525 * setting v:filearg.
8528 apply_autocmds_exarg(event
, fname
, fname_io
, force
, buf
, eap
)
8536 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8537 AUGROUP_ALL
, buf
, eap
);
8541 * Like apply_autocmds(), but handles the caller's retval. If the script
8542 * processing is being aborted or if retval is FAIL when inside a try
8543 * conditional, no autocommands are executed. If otherwise the autocommands
8544 * cause the script to be aborted, retval is set to FAIL.
8547 apply_autocmds_retval(event
, fname
, fname_io
, force
, buf
, retval
)
8549 char_u
*fname
; /* NULL or empty means use actual file name */
8550 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8551 int force
; /* when TRUE, ignore autocmd_busy */
8552 buf_T
*buf
; /* buffer for <abuf> */
8553 int *retval
; /* pointer to caller's retval */
8558 if (should_abort(*retval
))
8562 did_cmd
= apply_autocmds_group(event
, fname
, fname_io
, force
,
8563 AUGROUP_ALL
, buf
, NULL
);
8574 * Return TRUE when there is a CursorHold autocommand defined.
8579 return (first_autopat
[(int)(get_real_state() == NORMAL_BUSY
8580 ? EVENT_CURSORHOLD
: EVENT_CURSORHOLDI
)] != NULL
);
8584 * Return TRUE if the CursorHold event can be triggered.
8587 trigger_cursorhold()
8591 if (!did_cursorhold
&& has_cursorhold() && !Recording
8592 #ifdef FEAT_INS_EXPAND
8593 && !ins_compl_active()
8597 state
= get_real_state();
8598 if (state
== NORMAL_BUSY
|| (state
& INSERT
) != 0)
8605 * Return TRUE when there is a CursorMoved autocommand defined.
8610 return (first_autopat
[(int)EVENT_CURSORMOVED
] != NULL
);
8614 * Return TRUE when there is a CursorMovedI autocommand defined.
8619 return (first_autopat
[(int)EVENT_CURSORMOVEDI
] != NULL
);
8623 apply_autocmds_group(event
, fname
, fname_io
, force
, group
, buf
, eap
)
8625 char_u
*fname
; /* NULL or empty means use actual file name */
8626 char_u
*fname_io
; /* fname to use for <afile> on cmdline, NULL means
8628 int force
; /* when TRUE, ignore autocmd_busy */
8629 int group
; /* group ID, or AUGROUP_ALL */
8630 buf_T
*buf
; /* buffer for <abuf> */
8631 exarg_T
*eap
; /* command arguments */
8633 char_u
*sfname
= NULL
; /* short file name */
8638 char_u
*save_sourcing_name
;
8639 linenr_T save_sourcing_lnum
;
8640 char_u
*save_autocmd_fname
;
8641 int save_autocmd_fname_full
;
8642 int save_autocmd_bufnr
;
8643 char_u
*save_autocmd_match
;
8644 int save_autocmd_busy
;
8645 int save_autocmd_nested
;
8646 static int nesting
= 0;
8650 scid_T save_current_SID
;
8651 void *save_funccalp
;
8652 char_u
*save_cmdarg
;
8655 static int filechangeshell_busy
= FALSE
;
8657 proftime_T wait_time
;
8661 * Quickly return if there are no autocommands for this event or
8662 * autocommands are blocked.
8664 if (first_autopat
[(int)event
] == NULL
|| autocmd_blocked
> 0)
8668 * When autocommands are busy, new autocommands are only executed when
8669 * explicitly enabled with the "nested" flag.
8671 if (autocmd_busy
&& !(force
|| autocmd_nested
))
8676 * Quickly return when immediately aborting on error, or when an interrupt
8677 * occurred or an exception was thrown but not caught.
8684 * FileChangedShell never nests, because it can create an endless loop.
8686 if (filechangeshell_busy
&& (event
== EVENT_FILECHANGEDSHELL
8687 || event
== EVENT_FILECHANGEDSHELLPOST
))
8691 * Ignore events in 'eventignore'.
8693 if (event_ignored(event
))
8697 * Allow nesting of autocommands, but restrict the depth, because it's
8698 * possible to create an endless loop.
8702 EMSG(_("E218: autocommand nesting too deep"));
8707 * Check if these autocommands are disabled. Used when doing ":all" or
8710 if ( (autocmd_no_enter
8711 && (event
== EVENT_WINENTER
|| event
== EVENT_BUFENTER
))
8712 || (autocmd_no_leave
8713 && (event
== EVENT_WINLEAVE
|| event
== EVENT_BUFLEAVE
)))
8717 * Save the autocmd_* variables and info about the current buffer.
8719 save_autocmd_fname
= autocmd_fname
;
8720 save_autocmd_fname_full
= autocmd_fname_full
;
8721 save_autocmd_bufnr
= autocmd_bufnr
;
8722 save_autocmd_match
= autocmd_match
;
8723 save_autocmd_busy
= autocmd_busy
;
8724 save_autocmd_nested
= autocmd_nested
;
8725 save_changed
= curbuf
->b_changed
;
8726 old_curbuf
= curbuf
;
8729 * Set the file name to be used for <afile>.
8730 * Make a copy to avoid that changing a buffer name or directory makes it
8733 if (fname_io
== NULL
)
8735 if (fname
!= NULL
&& *fname
!= NUL
)
8736 autocmd_fname
= fname
;
8737 else if (buf
!= NULL
)
8738 autocmd_fname
= buf
->b_ffname
;
8740 autocmd_fname
= NULL
;
8743 autocmd_fname
= fname_io
;
8744 if (autocmd_fname
!= NULL
)
8745 autocmd_fname
= vim_strsave(autocmd_fname
);
8746 autocmd_fname_full
= FALSE
; /* call FullName_save() later */
8749 * Set the buffer number to be used for <abuf>.
8754 autocmd_bufnr
= buf
->b_fnum
;
8757 * When the file name is NULL or empty, use the file name of buffer "buf".
8758 * Always use the full path of the file name to match with, in case
8759 * "allow_dirs" is set.
8761 if (fname
== NULL
|| *fname
== NUL
)
8768 if (event
== EVENT_SYNTAX
)
8769 fname
= buf
->b_p_syn
;
8772 if (event
== EVENT_FILETYPE
)
8773 fname
= buf
->b_p_ft
;
8776 if (buf
->b_sfname
!= NULL
)
8777 sfname
= vim_strsave(buf
->b_sfname
);
8778 fname
= buf
->b_ffname
;
8782 fname
= (char_u
*)"";
8783 fname
= vim_strsave(fname
); /* make a copy, so we can change it */
8787 sfname
= vim_strsave(fname
);
8788 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or
8790 if (event
== EVENT_FILETYPE
8791 || event
== EVENT_SYNTAX
8792 || event
== EVENT_FUNCUNDEFINED
8793 || event
== EVENT_REMOTEREPLY
8794 || event
== EVENT_SPELLFILEMISSING
8795 || event
== EVENT_QUICKFIXCMDPRE
8796 || event
== EVENT_QUICKFIXCMDPOST
)
8797 fname
= vim_strsave(fname
);
8799 fname
= FullName_save(fname
, FALSE
);
8801 if (fname
== NULL
) /* out of memory */
8808 #ifdef BACKSLASH_IN_FILENAME
8810 * Replace all backslashes with forward slashes. This makes the
8811 * autocommand patterns portable between Unix and MS-DOS.
8814 forward_slash(sfname
);
8815 forward_slash(fname
);
8819 /* remove version for correct match */
8821 vms_remove_version(sfname
);
8822 vms_remove_version(fname
);
8826 * Set the name to be used for <amatch>.
8828 autocmd_match
= fname
;
8831 /* Don't redraw while doing auto commands. */
8832 ++RedrawingDisabled
;
8833 save_sourcing_name
= sourcing_name
;
8834 sourcing_name
= NULL
; /* don't free this one */
8835 save_sourcing_lnum
= sourcing_lnum
;
8836 sourcing_lnum
= 0; /* no line number here */
8839 save_current_SID
= current_SID
;
8841 # ifdef FEAT_PROFILE
8842 if (do_profiling
== PROF_YES
)
8843 prof_child_enter(&wait_time
); /* doesn't count for the caller itself */
8846 /* Don't use local function variables, if called from a function */
8847 save_funccalp
= save_funccal();
8851 * When starting to execute autocommands, save the search patterns.
8855 save_search_patterns();
8857 did_filetype
= keep_filetype
;
8861 * Note that we are applying autocmds. Some commands need to know.
8863 autocmd_busy
= TRUE
;
8864 filechangeshell_busy
= (event
== EVENT_FILECHANGEDSHELL
);
8865 ++nesting
; /* see matching decrement below */
8867 /* Remember that FileType was triggered. Used for did_filetype(). */
8868 if (event
== EVENT_FILETYPE
)
8869 did_filetype
= TRUE
;
8871 tail
= gettail(fname
);
8873 /* Find first autocommand that matches */
8874 patcmd
.curpat
= first_autopat
[(int)event
];
8875 patcmd
.nextcmd
= NULL
;
8876 patcmd
.group
= group
;
8877 patcmd
.fname
= fname
;
8878 patcmd
.sfname
= sfname
;
8880 patcmd
.event
= event
;
8881 patcmd
.arg_bufnr
= autocmd_bufnr
;
8883 auto_next_pat(&patcmd
, FALSE
);
8885 /* found one, start executing the autocommands */
8886 if (patcmd
.curpat
!= NULL
)
8888 /* add to active_apc_list */
8889 patcmd
.next
= active_apc_list
;
8890 active_apc_list
= &patcmd
;
8893 /* set v:cmdarg (only when there is a matching pattern) */
8894 save_cmdbang
= get_vim_var_nr(VV_CMDBANG
);
8897 save_cmdarg
= set_cmdarg(eap
, NULL
);
8898 set_vim_var_nr(VV_CMDBANG
, (long)eap
->forceit
);
8901 save_cmdarg
= NULL
; /* avoid gcc warning */
8904 /* mark the last pattern, to avoid an endless loop when more patterns
8905 * are added when executing autocommands */
8906 for (ap
= patcmd
.curpat
; ap
->next
!= NULL
; ap
= ap
->next
)
8909 check_lnums(TRUE
); /* make sure cursor and topline are valid */
8910 do_cmdline(NULL
, getnextac
, (void *)&patcmd
,
8911 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
8915 (void)set_cmdarg(NULL
, save_cmdarg
);
8916 set_vim_var_nr(VV_CMDBANG
, save_cmdbang
);
8919 /* delete from active_apc_list */
8920 if (active_apc_list
== &patcmd
) /* just in case */
8921 active_apc_list
= patcmd
.next
;
8924 --RedrawingDisabled
;
8925 autocmd_busy
= save_autocmd_busy
;
8926 filechangeshell_busy
= FALSE
;
8927 autocmd_nested
= save_autocmd_nested
;
8928 vim_free(sourcing_name
);
8929 sourcing_name
= save_sourcing_name
;
8930 sourcing_lnum
= save_sourcing_lnum
;
8931 vim_free(autocmd_fname
);
8932 autocmd_fname
= save_autocmd_fname
;
8933 autocmd_fname_full
= save_autocmd_fname_full
;
8934 autocmd_bufnr
= save_autocmd_bufnr
;
8935 autocmd_match
= save_autocmd_match
;
8937 current_SID
= save_current_SID
;
8938 restore_funccal(save_funccalp
);
8939 # ifdef FEAT_PROFILE
8940 if (do_profiling
== PROF_YES
)
8941 prof_child_exit(&wait_time
);
8946 --nesting
; /* see matching increment above */
8949 * When stopping to execute autocommands, restore the search patterns and
8954 restore_search_patterns();
8956 did_filetype
= FALSE
;
8960 * Some events don't set or reset the Changed flag.
8961 * Check if still in the same buffer!
8963 if (curbuf
== old_curbuf
8964 && (event
== EVENT_BUFREADPOST
8965 || event
== EVENT_BUFWRITEPOST
8966 || event
== EVENT_FILEAPPENDPOST
8967 || event
== EVENT_VIMLEAVE
8968 || event
== EVENT_VIMLEAVEPRE
))
8971 if (curbuf
->b_changed
!= save_changed
)
8972 need_maketitle
= TRUE
;
8974 curbuf
->b_changed
= save_changed
;
8977 au_cleanup(); /* may really delete removed patterns/commands now */
8980 /* When wiping out a buffer make sure all its buffer-local autocommands
8982 if (event
== EVENT_BUFWIPEOUT
&& buf
!= NULL
)
8983 aubuflocal_remove(buf
);
8989 static char_u
*old_termresponse
= NULL
;
8993 * Block triggering autocommands until unblock_autocmd() is called.
8994 * Can be used recursively, so long as it's symmetric.
9000 /* Remember the value of v:termresponse. */
9001 if (autocmd_blocked
== 0)
9002 old_termresponse
= get_vim_var_str(VV_TERMRESPONSE
);
9013 /* When v:termresponse was set while autocommands were blocked, trigger
9014 * the autocommands now. Esp. useful when executing a shell command
9015 * during startup (vimdiff). */
9016 if (autocmd_blocked
== 0
9017 && get_vim_var_str(VV_TERMRESPONSE
) != old_termresponse
)
9018 apply_autocmds(EVENT_TERMRESPONSE
, NULL
, NULL
, FALSE
, curbuf
);
9023 * Find next autocommand pattern that matches.
9026 auto_next_pat(apc
, stop_at_last
)
9028 int stop_at_last
; /* stop when 'last' flag is set */
9035 vim_free(sourcing_name
);
9036 sourcing_name
= NULL
;
9038 for (ap
= apc
->curpat
; ap
!= NULL
&& !got_int
; ap
= ap
->next
)
9042 /* Only use a pattern when it has not been removed, has commands and
9043 * the group matches. For buffer-local autocommands only check the
9045 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9046 && (apc
->group
== AUGROUP_ALL
|| apc
->group
== ap
->group
))
9048 /* execution-condition */
9049 if (ap
->buflocal_nr
== 0
9050 ? (match_file_pat(NULL
, ap
->reg_prog
, apc
->fname
,
9051 apc
->sfname
, apc
->tail
, ap
->allow_dirs
))
9052 : ap
->buflocal_nr
== apc
->arg_bufnr
)
9054 name
= event_nr2name(apc
->event
);
9055 s
= _("%s Auto commands for \"%s\"");
9056 sourcing_name
= alloc((unsigned)(STRLEN(s
)
9057 + STRLEN(name
) + ap
->patlen
+ 1));
9058 if (sourcing_name
!= NULL
)
9060 sprintf((char *)sourcing_name
, s
,
9061 (char *)name
, (char *)ap
->pat
);
9065 smsg((char_u
*)_("Executing %s"), sourcing_name
);
9071 apc
->nextcmd
= ap
->cmds
;
9072 /* mark last command */
9073 for (cp
= ap
->cmds
; cp
->next
!= NULL
; cp
= cp
->next
)
9078 if (apc
->curpat
!= NULL
) /* found a match */
9081 if (stop_at_last
&& ap
->last
)
9087 * Get next autocommand command.
9088 * Called by do_cmdline() to get the next line for ":if".
9089 * Returns allocated string, or NULL for end of autocommands.
9093 getnextac(c
, cookie
, indent
)
9094 int c
; /* not used */
9096 int indent
; /* not used */
9098 AutoPatCmd
*acp
= (AutoPatCmd
*)cookie
;
9102 /* Can be called again after returning the last line. */
9103 if (acp
->curpat
== NULL
)
9106 /* repeat until we find an autocommand to execute */
9109 /* skip removed commands */
9110 while (acp
->nextcmd
!= NULL
&& acp
->nextcmd
->cmd
== NULL
)
9111 if (acp
->nextcmd
->last
)
9112 acp
->nextcmd
= NULL
;
9114 acp
->nextcmd
= acp
->nextcmd
->next
;
9116 if (acp
->nextcmd
!= NULL
)
9119 /* at end of commands, find next pattern that matches */
9120 if (acp
->curpat
->last
)
9123 acp
->curpat
= acp
->curpat
->next
;
9124 if (acp
->curpat
!= NULL
)
9125 auto_next_pat(acp
, TRUE
);
9126 if (acp
->curpat
== NULL
)
9134 verbose_enter_scroll();
9135 smsg((char_u
*)_("autocommand %s"), ac
->cmd
);
9136 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
9137 verbose_leave_scroll();
9139 retval
= vim_strsave(ac
->cmd
);
9140 autocmd_nested
= ac
->nested
;
9142 current_SID
= ac
->scriptID
;
9145 acp
->nextcmd
= NULL
;
9147 acp
->nextcmd
= ac
->next
;
9152 * Return TRUE if there is a matching autocommand for "fname".
9153 * To account for buffer-local autocommands, function needs to know
9154 * in which buffer the file will be opened.
9157 has_autocmd(event
, sfname
, buf
)
9164 char_u
*tail
= gettail(sfname
);
9167 fname
= FullName_save(sfname
, FALSE
);
9171 #ifdef BACKSLASH_IN_FILENAME
9173 * Replace all backslashes with forward slashes. This makes the
9174 * autocommand patterns portable between Unix and MS-DOS.
9176 sfname
= vim_strsave(sfname
);
9178 forward_slash(sfname
);
9179 forward_slash(fname
);
9182 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
9183 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9184 && (ap
->buflocal_nr
== 0
9185 ? match_file_pat(NULL
, ap
->reg_prog
,
9186 fname
, sfname
, tail
, ap
->allow_dirs
)
9187 : buf
!= NULL
&& ap
->buflocal_nr
== buf
->b_fnum
9195 #ifdef BACKSLASH_IN_FILENAME
9202 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
9204 * Function given to ExpandGeneric() to obtain the list of autocommand group
9209 get_augroup_name(xp
, idx
)
9213 if (idx
== augroups
.ga_len
) /* add "END" add the end */
9214 return (char_u
*)"END";
9215 if (idx
>= augroups
.ga_len
) /* end of list */
9217 if (AUGROUP_NAME(idx
) == NULL
) /* skip deleted entries */
9218 return (char_u
*)"";
9219 return AUGROUP_NAME(idx
); /* return a name */
9222 static int include_groups
= FALSE
;
9225 set_context_in_autocmd(xp
, arg
, doautocmd
)
9228 int doautocmd
; /* TRUE for :doauto*, FALSE for :autocmd */
9233 /* check for a group name, skip it if present */
9234 include_groups
= FALSE
;
9236 group
= au_get_grouparg(&arg
);
9237 if (group
== AUGROUP_ERROR
)
9239 /* If there only is a group name that's what we expand. */
9240 if (*arg
== NUL
&& group
!= AUGROUP_ALL
&& !vim_iswhite(arg
[-1]))
9243 group
= AUGROUP_ALL
;
9246 /* skip over event name */
9247 for (p
= arg
; *p
!= NUL
&& !vim_iswhite(*p
); ++p
)
9252 if (group
== AUGROUP_ALL
)
9253 include_groups
= TRUE
;
9254 xp
->xp_context
= EXPAND_EVENTS
; /* expand event name */
9255 xp
->xp_pattern
= arg
;
9259 /* skip over pattern */
9261 while (*arg
&& (!vim_iswhite(*arg
) || arg
[-1] == '\\'))
9264 return arg
; /* expand (next) command */
9267 xp
->xp_context
= EXPAND_FILES
; /* expand file names */
9269 xp
->xp_context
= EXPAND_NOTHING
; /* pattern is not expanded */
9274 * Function given to ExpandGeneric() to obtain the list of event names.
9278 get_event_name(xp
, idx
)
9282 if (idx
< augroups
.ga_len
) /* First list group names, if wanted */
9284 if (!include_groups
|| AUGROUP_NAME(idx
) == NULL
)
9285 return (char_u
*)""; /* skip deleted entries */
9286 return AUGROUP_NAME(idx
); /* return a name */
9288 return (char_u
*)event_names
[idx
- augroups
.ga_len
].name
;
9291 #endif /* FEAT_CMDL_COMPL */
9294 * Return TRUE if autocmd is supported.
9297 autocmd_supported(name
)
9302 return (event_name2nr(name
, &p
) != NUM_EVENTS
);
9306 * Return TRUE if an autocommand is defined for a group, event and
9307 * pattern: The group can be omitted to accept any group. "event" and "pattern"
9308 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept
9309 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted.
9311 * exists("#Group") or
9312 * exists("#Group#Event") or
9313 * exists("#Group#Event#pat") or
9314 * exists("#Event") or
9315 * exists("#Event#pat")
9322 char_u
*pattern
= NULL
;
9327 buf_T
*buflocal_buf
= NULL
;
9331 /* Make a copy so that we can change the '#' chars to a NUL. */
9332 arg_save
= vim_strsave(arg
);
9333 if (arg_save
== NULL
)
9335 p
= vim_strchr(arg_save
, '#');
9339 /* First, look for an autocmd group name */
9340 group
= au_find_group(arg_save
);
9341 if (group
== AUGROUP_ERROR
)
9343 /* Didn't match a group name, assume the first argument is an event. */
9344 group
= AUGROUP_ALL
;
9345 event_name
= arg_save
;
9351 /* "Group": group name is present and it's recognized */
9356 /* Must be "Group#Event" or "Group#Event#pat". */
9358 p
= vim_strchr(event_name
, '#');
9360 *p
++ = NUL
; /* "Group#Event#pat" */
9363 pattern
= p
; /* "pattern" is NULL when there is no pattern */
9365 /* find the index (enum) for the event name */
9366 event
= event_name2nr(event_name
, &p
);
9368 /* return FALSE if the event name is not recognized */
9369 if (event
== NUM_EVENTS
)
9372 /* Find the first autocommand for this event.
9373 * If there isn't any, return FALSE;
9374 * If there is one and no pattern given, return TRUE; */
9375 ap
= first_autopat
[(int)event
];
9378 if (pattern
== NULL
)
9384 /* if pattern is "<buffer>", special handling is needed which uses curbuf */
9385 /* for pattern "<buffer=N>, fnamecmp() will work fine */
9386 if (STRICMP(pattern
, "<buffer>") == 0)
9387 buflocal_buf
= curbuf
;
9389 /* Check if there is an autocommand with the given pattern. */
9390 for ( ; ap
!= NULL
; ap
= ap
->next
)
9391 /* only use a pattern when it has not been removed and has commands. */
9392 /* For buffer-local autocommands, fnamecmp() works fine. */
9393 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9394 && (group
== AUGROUP_ALL
|| ap
->group
== group
)
9395 && (buflocal_buf
== NULL
9396 ? fnamecmp(ap
->pat
, pattern
) == 0
9397 : ap
->buflocal_nr
== buflocal_buf
->b_fnum
))
9408 #else /* FEAT_AUTOCMD */
9411 * Prepare for executing commands for (hidden) buffer "buf".
9412 * This is the non-autocommand version, it simply saves "curbuf" and sets
9413 * "curbuf" and "curwin" to match "buf".
9416 aucmd_prepbuf(aco
, buf
)
9417 aco_save_T
*aco
; /* structure to save values in */
9418 buf_T
*buf
; /* new curbuf */
9420 aco
->save_buf
= curbuf
;
9422 curwin
->w_buffer
= buf
;
9426 * Restore after executing commands for a (hidden) buffer.
9427 * This is the non-autocommand version.
9431 aco_save_T
*aco
; /* structure holding saved values */
9433 curbuf
= aco
->save_buf
;
9434 curwin
->w_buffer
= curbuf
;
9437 #endif /* FEAT_AUTOCMD */
9440 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO)
9442 * Try matching a filename with a "pattern" ("prog" is NULL), or use the
9443 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling
9444 * vim_regcomp() often.
9445 * Used for autocommands and 'wildignore'.
9446 * Returns TRUE if there is a match, FALSE otherwise.
9449 match_file_pat(pattern
, prog
, fname
, sfname
, tail
, allow_dirs
)
9450 char_u
*pattern
; /* pattern to match with */
9451 regprog_T
*prog
; /* pre-compiled regprog or NULL */
9452 char_u
*fname
; /* full path of file name */
9453 char_u
*sfname
; /* short file name or NULL */
9454 char_u
*tail
; /* tail of path */
9455 int allow_dirs
; /* allow matching with dir */
9457 regmatch_T regmatch
;
9459 #ifdef FEAT_OSFILETYPE
9460 int no_pattern
= FALSE
; /* TRUE if check is filetype only */
9466 #ifdef CASE_INSENSITIVE_FILENAME
9467 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
9469 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
9471 #ifdef FEAT_OSFILETYPE
9472 if (*pattern
== '<')
9474 /* There is a filetype condition specified with this pattern.
9475 * Check the filetype matches first. If not, don't bother with the
9476 * pattern (set regprog to NULL).
9477 * Always use magic for the regexp.
9480 for (type_start
= pattern
+ 1; (c
= *pattern
); pattern
++)
9482 if ((c
== ';' || c
== '>') && match
== FALSE
)
9484 *pattern
= NUL
; /* Terminate the string */
9485 match
= mch_check_filetype(fname
, type_start
);
9486 *pattern
= c
; /* Restore the terminator */
9487 type_start
= pattern
+ 1;
9493 /* (c should never be NUL, but check anyway) */
9494 if (match
== FALSE
|| c
== NUL
)
9495 regmatch
.regprog
= NULL
; /* Doesn't match - don't check pat. */
9496 else if (*pattern
== NUL
)
9498 regmatch
.regprog
= NULL
; /* Vim will try to free regprog later */
9499 no_pattern
= TRUE
; /* Always matches - don't check pat. */
9502 regmatch
.regprog
= vim_regcomp(pattern
+ 1, RE_MAGIC
);
9508 regmatch
.regprog
= prog
;
9510 regmatch
.regprog
= vim_regcomp(pattern
, RE_MAGIC
);
9514 * Try for a match with the pattern with:
9515 * 1. the full file name, when the pattern has a '/'.
9516 * 2. the short file name, when the pattern has a '/'.
9517 * 3. the tail of the file name, when the pattern has no '/'.
9520 #ifdef FEAT_OSFILETYPE
9521 /* If the check is for a filetype only and we don't care
9522 * about the path then skip all the regexp stuff.
9526 (regmatch
.regprog
!= NULL
9528 && (vim_regexec(®match
, fname
, (colnr_T
)0)
9530 && vim_regexec(®match
, sfname
, (colnr_T
)0))))
9531 || (!allow_dirs
&& vim_regexec(®match
, tail
, (colnr_T
)0)))))
9535 vim_free(regmatch
.regprog
);
9540 #if defined(FEAT_WILDIGN) || defined(PROTO)
9542 * Return TRUE if a file matches with a pattern in "list".
9543 * "list" is a comma-separated list of patterns, like 'wildignore'.
9544 * "sfname" is the short file name or NULL, "ffname" the long file name.
9547 match_file_list(list
, sfname
, ffname
)
9559 tail
= gettail(sfname
);
9561 /* try all patterns in 'wildignore' */
9565 copy_option_part(&p
, buf
, 100, ",");
9566 regpat
= file_pat_to_reg_pat(buf
, NULL
, &allow_dirs
, FALSE
);
9569 match
= match_file_pat(regpat
, NULL
, ffname
, sfname
,
9570 tail
, (int)allow_dirs
);
9580 * Convert the given pattern "pat" which has shell style wildcards in it, into
9581 * a regular expression, and return the result in allocated memory. If there
9582 * is a directory path separator to be matched, then TRUE is put in
9583 * allow_dirs, otherwise FALSE is put there -- webb.
9584 * Handle backslashes before special characters, like "\*" and "\ ".
9586 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg:
9587 * '<html>myfile' becomes '<html>^myfile$' -- leonard.
9589 * Returns NULL when out of memory.
9593 file_pat_to_reg_pat(pat
, pat_end
, allow_dirs
, no_bslash
)
9595 char_u
*pat_end
; /* first char after pattern or NULL */
9596 char *allow_dirs
; /* Result passed back out in here */
9597 int no_bslash
; /* Don't use a backward slash as pathsep */
9605 int add_dollar
= TRUE
;
9606 #ifdef FEAT_OSFILETYPE
9607 int check_length
= 0;
9610 if (allow_dirs
!= NULL
)
9611 *allow_dirs
= FALSE
;
9612 if (pat_end
== NULL
)
9613 pat_end
= pat
+ STRLEN(pat
);
9615 #ifdef FEAT_OSFILETYPE
9616 /* Find out how much of the string is the filetype check */
9619 /* Count chars until the next '>' */
9620 for (p
= pat
+ 1; p
< pat_end
&& *p
!= '>'; p
++)
9624 /* Pattern is of the form <.*>.* */
9625 check_length
= p
- pat
+ 1;
9626 if (p
+ 1 >= pat_end
)
9628 /* The 'pattern' is a filetype check ONLY */
9629 reg_pat
= (char_u
*)alloc(check_length
+ 1);
9630 if (reg_pat
!= NULL
)
9632 mch_memmove(reg_pat
, pat
, (size_t)check_length
);
9633 reg_pat
[check_length
] = NUL
;
9638 /* else: there was no closing '>' - assume it was a normal pattern */
9641 pat
+= check_length
;
9642 size
= 2 + check_length
;
9644 size
= 2; /* '^' at start, '$' at end */
9647 for (p
= pat
; p
< pat_end
; p
++)
9657 size
+= 2; /* extra backslash */
9659 #ifdef BACKSLASH_IN_FILENAME
9662 size
+= 4; /* could become "[\/]" */
9668 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9677 reg_pat
= alloc(size
+ 1);
9678 if (reg_pat
== NULL
)
9681 #ifdef FEAT_OSFILETYPE
9682 /* Copy the type check in to the start. */
9684 mch_memmove(reg_pat
, pat
- check_length
, (size_t)check_length
);
9691 while (pat
[0] == '*' && pat
< pat_end
- 1)
9698 while (endp
- pat
> 0 && *endp
== '*')
9702 for (p
= pat
; *p
&& nested
>= 0 && p
<= endp
; p
++)
9709 while (p
[1] == '*') /* "**" matches like "*" */
9714 if (allow_dirs
!= NULL
)
9719 reg_pat
[i
++] = '\\';
9731 #ifdef BACKSLASH_IN_FILENAME
9735 * "\x" to "\\x" e.g., "dir\file"
9736 * "\*" to "\\.*" e.g., "dir\*.c"
9737 * "\?" to "\\." e.g., "dir\??.c"
9738 * "\+" to "\+" e.g., "fileX\+.c"
9740 if ((vim_isfilec(p
[1]) || p
[1] == '*' || p
[1] == '?')
9744 reg_pat
[i
++] = '\\';
9747 if (allow_dirs
!= NULL
)
9754 #ifdef BACKSLASH_IN_FILENAME
9764 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
)
9765 #ifdef BACKSLASH_IN_FILENAME
9766 && (!no_bslash
|| *p
!= '\\')
9770 reg_pat
[i
++] = '\\';
9774 #ifdef BACKSLASH_IN_FILENAME
9777 reg_pat
[i
++] = '\\';
9780 if (allow_dirs
!= NULL
)
9785 reg_pat
[i
++] = '\\';
9790 reg_pat
[i
++] = '\\';
9797 reg_pat
[i
++] = '\\';
9805 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9806 reg_pat
[i
++] = *p
++;
9809 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
))
9821 EMSG(_("E219: Missing {."));
9823 EMSG(_("E220: Missing }."));