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
!= NULL
714 && curbuf
->b_ml
.ml_mfp
->mf_fname
!= NULL
)
715 (void)mch_setperm(curbuf
->b_ml
.ml_mfp
->mf_fname
, (long)swap_mode
);
719 #if defined(HAS_SWAP_EXISTS_ACTION)
720 /* If "Quit" selected at ATTENTION dialog, don't load the file */
721 if (swap_exists_action
== SEA_QUIT
)
723 if (!read_buffer
&& !read_stdin
)
729 ++no_wait_return
; /* don't wait for return yet */
732 * Set '[ mark to the line above where the lines go (line 1 if zero).
734 curbuf
->b_op_start
.lnum
= ((from
== 0) ? 1 : from
);
735 curbuf
->b_op_start
.col
= 0;
741 int n
= msg_scrolled
;
744 * The file must be closed again, the autocommands may want to change
745 * the file before reading it.
748 close(fd
); /* ignore errors */
751 * The output from the autocommands should not overwrite anything and
752 * should not be overwritten: Set msg_scroll, restore its value if no
757 apply_autocmds_exarg(EVENT_FILTERREADPRE
, NULL
, sfname
,
760 apply_autocmds_exarg(EVENT_STDINREADPRE
, NULL
, sfname
,
763 apply_autocmds_exarg(EVENT_BUFREADPRE
, NULL
, sfname
,
766 apply_autocmds_exarg(EVENT_FILEREADPRE
, sfname
, sfname
,
768 if (msg_scrolled
== n
)
772 if (aborting()) /* autocmds may abort script processing */
775 msg_scroll
= msg_save
;
776 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
781 * Don't allow the autocommands to change the current buffer.
782 * Try to re-open the file.
784 * Don't allow the autocommands to change the buffer name either
785 * (cd for example) if it invalidates fname or sfname.
787 if (!read_stdin
&& (curbuf
!= old_curbuf
788 || (using_b_ffname
&& (old_b_ffname
!= curbuf
->b_ffname
))
789 || (using_b_fname
&& (old_b_fname
!= curbuf
->b_fname
))
790 || (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) < 0))
793 msg_scroll
= msg_save
;
795 EMSG(_("E200: *ReadPre autocommands made the file unreadable"));
797 EMSG(_("E201: *ReadPre autocommands must not change current buffer"));
798 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
802 #endif /* FEAT_AUTOCMD */
804 /* Autocommands may add lines to the file, need to check if it is empty */
805 wasempty
= (curbuf
->b_ml
.ml_flags
& ML_EMPTY
);
807 if (!recoverymode
&& !filtering
&& !(flags
& READ_DUMMY
))
810 * Show the user that we are busy reading the input. Sometimes this
811 * may take a while. When reading from stdin another program may
812 * still be running, don't move the cursor to the last line, unless
813 * always using the GUI.
817 #ifndef ALWAYS_USE_GUI
818 mch_msg(_("Vim: Reading from stdin...\n"));
821 /* Also write a message in the GUI window, if there is one. */
822 if (gui
.in_use
&& !gui
.dying
&& !gui
.starting
)
824 p
= (char_u
*)_("Reading from stdin...");
825 gui_write(p
, (int)STRLEN(p
));
829 else if (!read_buffer
)
830 filemess(curbuf
, sfname
, (char_u
*)"", 0);
833 msg_scroll
= FALSE
; /* overwrite the file message */
836 * Set linecnt now, before the "retry" caused by a wrong guess for
837 * fileformat, and after the autocommands, which may change them.
839 linecnt
= curbuf
->b_ml
.ml_line_count
;
842 /* "++bad=" argument. */
843 if (eap
!= NULL
&& eap
->bad_char
!= 0)
845 bad_char_behavior
= eap
->bad_char
;
847 curbuf
->b_bad_char
= eap
->bad_char
;
850 curbuf
->b_bad_char
= 0;
853 * Decide which 'encoding' to use or use first.
855 if (eap
!= NULL
&& eap
->force_enc
!= 0)
857 fenc
= enc_canonize(eap
->cmd
+ eap
->force_enc
);
859 keep_dest_enc
= TRUE
;
861 else if (curbuf
->b_p_bin
)
863 fenc
= (char_u
*)""; /* binary: don't convert */
864 fenc_alloced
= FALSE
;
866 else if (curbuf
->b_help
)
868 char_u firstline
[80];
871 /* Help files are either utf-8 or latin1. Try utf-8 first, if this
872 * fails it must be latin1.
873 * Always do this when 'encoding' is "utf-8". Otherwise only do
874 * this when needed to avoid [converted] remarks all the time.
875 * It is needed when the first line contains non-ASCII characters.
876 * That is only in *.??x files. */
877 fenc
= (char_u
*)"latin1";
879 if (!c
&& !read_stdin
)
881 fc
= fname
[STRLEN(fname
) - 1];
882 if (TOLOWER_ASC(fc
) == 'x')
884 /* Read the first line (and a bit more). Immediately rewind to
885 * the start of the file. If the read() fails "len" is -1. */
886 len
= vim_read(fd
, firstline
, 80);
887 lseek(fd
, (off_t
)0L, SEEK_SET
);
888 for (p
= firstline
; p
< firstline
+ len
; ++p
)
900 fenc
= (char_u
*)"utf-8";
902 /* When the file is utf-8 but a character doesn't fit in
903 * 'encoding' don't retry. In help text editing utf-8 bytes
904 * doesn't make sense. */
906 keep_dest_enc
= TRUE
;
908 fenc_alloced
= FALSE
;
910 else if (*p_fencs
== NUL
)
912 fenc
= curbuf
->b_p_fenc
; /* use format from buffer */
913 fenc_alloced
= FALSE
;
917 fenc_next
= p_fencs
; /* try items in 'fileencodings' */
918 fenc
= next_fenc(&fenc_next
);
924 * Jump back here to retry reading the file in different ways.
926 * - encoding conversion failed: try another one from "fenc_next"
927 * - BOM detected and fenc was set, need to setup conversion
928 * - "fileformat" check failed: try another
930 * Variables set for special retry actions:
931 * "file_rewind" Rewind the file to start reading it again.
932 * "advance_fenc" Advance "fenc" using "fenc_next".
933 * "skip_read" Re-use already read bytes (BOM detected).
934 * "did_iconv" iconv() conversion failed, try 'charconvert'.
935 * "keep_fileformat" Don't reset "fileformat".
937 * Other status indicators:
938 * "tmpname" When != NULL did conversion with 'charconvert'.
939 * Output file has to be deleted afterwards.
940 * "iconv_fd" When != -1 did conversion with iconv().
951 else if (read_stdin
|| lseek(fd
, (off_t
)0L, SEEK_SET
) != 0)
953 /* Can't rewind the file, give up. */
957 /* Delete the previously read lines. */
959 ml_delete(lnum
--, FALSE
);
964 curbuf
->b_p_bomb
= FALSE
;
965 curbuf
->b_start_bomb
= FALSE
;
972 * When retrying with another "fenc" and the first time "fileformat"
976 keep_fileformat
= FALSE
;
979 if (eap
!= NULL
&& eap
->force_ff
!= 0)
981 fileformat
= get_fileformat_force(curbuf
, eap
);
982 try_unix
= try_dos
= try_mac
= FALSE
;
984 else if (curbuf
->b_p_bin
)
985 fileformat
= EOL_UNIX
; /* binary: use Unix format */
986 else if (*p_ffs
== NUL
)
987 fileformat
= get_fileformat(curbuf
);/* use format from buffer */
989 fileformat
= EOL_UNKNOWN
; /* detect from file */
994 if (iconv_fd
!= (iconv_t
)-1)
996 /* aborted conversion with iconv(), close the descriptor */
997 iconv_close(iconv_fd
);
998 iconv_fd
= (iconv_t
)-1;
1005 * Try the next entry in 'fileencodings'.
1007 advance_fenc
= FALSE
;
1009 if (eap
!= NULL
&& eap
->force_enc
!= 0)
1011 /* Conversion given with "++cc=" wasn't possible, read
1012 * without conversion. */
1013 notconverted
= TRUE
;
1017 fenc
= (char_u
*)"";
1018 fenc_alloced
= FALSE
;
1024 if (fenc_next
!= NULL
)
1026 fenc
= next_fenc(&fenc_next
);
1027 fenc_alloced
= (fenc_next
!= NULL
);
1031 fenc
= (char_u
*)"";
1032 fenc_alloced
= FALSE
;
1035 if (tmpname
!= NULL
)
1037 mch_remove(tmpname
); /* delete converted file */
1044 * Conversion is required when the encoding of the file is different
1045 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4 (requires
1046 * conversion to UTF-8).
1049 converted
= (*fenc
!= NUL
&& !same_encoding(p_enc
, fenc
));
1050 if (converted
|| enc_unicode
!= 0)
1053 /* "ucs-bom" means we need to check the first bytes of the file
1055 if (STRCMP(fenc
, ENC_UCSBOM
) == 0)
1056 fio_flags
= FIO_UCSBOM
;
1059 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be
1060 * done. This is handled below after read(). Prepare the
1061 * fio_flags to avoid having to parse the string each time.
1062 * Also check for Unicode to Latin1 conversion, because iconv()
1063 * appears not to handle this correctly. This works just like
1064 * conversion to UTF-8 except how the resulting character is put in
1067 else if (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
1068 fio_flags
= get_fio_flags(fenc
);
1072 * Conversion from an MS-Windows codepage to UTF-8 or another codepage
1073 * is handled with MultiByteToWideChar().
1076 fio_flags
= get_win_fio_flags(fenc
);
1080 /* Conversion from Apple MacRoman to latin1 or UTF-8 */
1082 fio_flags
= get_mac_fio_flags(fenc
);
1087 * Try using iconv() if we can't convert internally.
1094 iconv_fd
= (iconv_t
)my_iconv_open(
1095 enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
);
1100 * Use the 'charconvert' expression when conversion is required
1101 * and we can't do it internally or with iconv().
1103 if (fio_flags
== 0 && !read_stdin
&& !read_buffer
&& *p_ccv
!= NUL
1105 && iconv_fd
== (iconv_t
)-1
1112 /* Skip conversion when it's already done (retry for wrong
1114 if (tmpname
== NULL
)
1116 tmpname
= readfile_charconvert(fname
, fenc
, &fd
);
1117 if (tmpname
== NULL
)
1119 /* Conversion failed. Try another one. */
1120 advance_fenc
= TRUE
;
1123 /* Re-opening the original file failed! */
1124 EMSG(_("E202: Conversion made file unreadable!"));
1137 && iconv_fd
== (iconv_t
)-1
1141 /* Conversion wanted but we can't.
1142 * Try the next conversion in 'fileencodings' */
1143 advance_fenc
= TRUE
;
1149 /* Set "can_retry" when it's possible to rewind the file and try with
1150 * another "fenc" value. It's FALSE when no other "fenc" to try, reading
1151 * stdin or fixed at a specific encoding. */
1152 can_retry
= (*fenc
!= NUL
&& !read_stdin
&& !keep_dest_enc
);
1159 skip_count
= lines_to_skip
;
1160 read_count
= lines_to_read
;
1166 while (!error
&& !got_int
)
1169 * We allocate as much space for the file as we can get, plus
1170 * space for the old line plus room for one terminating NUL.
1171 * The amount is limited by the fact that read() only can read
1172 * upto max_unsigned characters (and other things).
1175 if (linerest
>= 0x7ff0)
1178 *ptr
= NL
; /* split line by inserting a NL */
1187 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L)
1188 size
= SSIZE_MAX
; /* use max I/O size, 52K */
1190 size
= 0x10000L
; /* use buffer >= 64K */
1193 size
= 0x7ff0L
- linerest
; /* limit buffer to 32K */
1196 for ( ; size
>= 10; size
= (long)((long_u
)size
>> 1))
1198 if ((new_buffer
= lalloc((long_u
)(size
+ linerest
+ 1),
1202 if (new_buffer
== NULL
)
1204 do_outofmem_msg((long_u
)(size
* 2 + linerest
+ 1));
1208 if (linerest
) /* copy characters from the previous buffer */
1209 mch_memmove(new_buffer
, ptr
- linerest
, (size_t)linerest
);
1211 buffer
= new_buffer
;
1212 ptr
= buffer
+ linerest
;
1213 line_start
= buffer
;
1216 /* May need room to translate into.
1217 * For iconv() we don't really know the required space, use a
1218 * factor ICONV_MULT.
1219 * latin1 to utf-8: 1 byte becomes up to 2 bytes
1220 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes
1221 * become up to 4 bytes, size must be multiple of 2
1222 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be
1224 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be
1226 real_size
= (int)size
;
1228 if (iconv_fd
!= (iconv_t
)-1)
1229 size
= size
/ ICONV_MULT
;
1232 if (fio_flags
& FIO_LATIN1
)
1234 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1235 size
= (size
* 2 / 3) & ~1;
1236 else if (fio_flags
& FIO_UCS4
)
1237 size
= (size
* 2 / 3) & ~3;
1238 else if (fio_flags
== FIO_UCSBOM
)
1239 size
= size
/ ICONV_MULT
; /* worst case */
1241 else if (fio_flags
& FIO_CODEPAGE
)
1242 size
= size
/ ICONV_MULT
; /* also worst case */
1245 else if (fio_flags
& FIO_MACROMAN
)
1246 size
= size
/ ICONV_MULT
; /* also worst case */
1251 if (conv_restlen
> 0)
1253 /* Insert unconverted bytes from previous line. */
1254 mch_memmove(ptr
, conv_rest
, conv_restlen
);
1255 ptr
+= conv_restlen
;
1256 size
-= conv_restlen
;
1263 * Read bytes from curbuf. Used for converting text read
1266 if (read_buf_lnum
> from
)
1276 p
= ml_get(read_buf_lnum
) + read_buf_col
;
1278 if ((int)tlen
+ n
+ 1 > size
)
1280 /* Filled up to "size", append partial line.
1281 * Change NL to NUL to reverse the effect done
1283 n
= (int)(size
- tlen
);
1284 for (ni
= 0; ni
< n
; ++ni
)
1289 ptr
[tlen
++] = p
[ni
];
1296 /* Append whole line and new-line. Change NL
1297 * to NUL to reverse the effect done below. */
1298 for (ni
= 0; ni
< n
; ++ni
)
1303 ptr
[tlen
++] = p
[ni
];
1307 if (++read_buf_lnum
> from
)
1309 /* When the last line didn't have an
1310 * end-of-line don't add it now either. */
1311 if (!curbuf
->b_p_eol
)
1323 * Read bytes from the file.
1325 size
= vim_read(fd
, ptr
, size
);
1330 if (size
< 0) /* read error */
1333 else if (conv_restlen
> 0)
1336 * Reached end-of-file but some trailing bytes could
1337 * not be converted. Truncated file?
1340 /* When we did a conversion report an error. */
1343 || iconv_fd
!= (iconv_t
)-1
1347 if (conv_error
== 0)
1348 conv_error
= curbuf
->b_ml
.ml_line_count
1351 /* Remember the first linenr with an illegal byte */
1352 else if (illegal_byte
== 0)
1353 illegal_byte
= curbuf
->b_ml
.ml_line_count
1355 if (bad_char_behavior
== BAD_DROP
)
1357 *(ptr
- conv_restlen
) = NUL
;
1362 /* Replace the trailing bytes with the replacement
1363 * character if we were converting; if we weren't,
1364 * leave the UTF8 checking code to do it, as it
1365 * works slightly differently. */
1366 if (bad_char_behavior
!= BAD_KEEP
&& (fio_flags
!= 0
1368 || iconv_fd
!= (iconv_t
)-1
1372 while (conv_restlen
> 0)
1374 *(--ptr
) = bad_char_behavior
;
1378 fio_flags
= 0; /* don't convert this */
1380 if (iconv_fd
!= (iconv_t
)-1)
1382 iconv_close(iconv_fd
);
1383 iconv_fd
= (iconv_t
)-1;
1393 * At start of file: Check for magic number of encryption.
1396 cryptkey
= check_for_cryptkey(cryptkey
, ptr
, &size
,
1397 &filesize
, newfile
);
1399 * Decrypt the read bytes.
1401 if (cryptkey
!= NULL
&& size
> 0)
1402 for (p
= ptr
; p
< ptr
+ size
; ++p
)
1410 * At start of file (or after crypt magic number): Check for BOM.
1411 * Also check for a BOM for other Unicode encodings, but not after
1412 * converting with 'charconvert' or when a BOM has already been
1417 || (filesize
== CRYPT_MAGIC_LEN
&& cryptkey
!= NULL
)
1420 && (fio_flags
== FIO_UCSBOM
1421 || (!curbuf
->b_p_bomb
1423 && (*fenc
== 'u' || (*fenc
== NUL
&& enc_utf8
)))))
1428 /* no BOM detection in a short file or in binary mode */
1429 if (size
< 2 || curbuf
->b_p_bin
)
1432 ccname
= check_for_bom(ptr
, size
, &blen
,
1433 fio_flags
== FIO_UCSBOM
? FIO_ALL
: get_fio_flags(fenc
));
1436 /* Remove BOM from the text */
1439 mch_memmove(ptr
, ptr
+ blen
, (size_t)size
);
1442 curbuf
->b_p_bomb
= TRUE
;
1443 curbuf
->b_start_bomb
= TRUE
;
1447 if (fio_flags
== FIO_UCSBOM
)
1451 /* No BOM detected: retry with next encoding. */
1452 advance_fenc
= TRUE
;
1456 /* BOM detected: set "fenc" and jump back */
1460 fenc_alloced
= FALSE
;
1462 /* retry reading without getting new bytes or rewinding */
1468 /* Include not converted bytes. */
1469 ptr
-= conv_restlen
;
1470 size
+= conv_restlen
;
1474 * Break here for a read error or end-of-file.
1482 if (iconv_fd
!= (iconv_t
)-1)
1485 * Attempt conversion of the read bytes to 'encoding' using
1493 fromp
= (char *)ptr
;
1497 to_size
= real_size
- size
;
1500 * If there is conversion error or not enough room try using
1501 * another conversion. Except for when there is no
1502 * alternative (help files).
1504 while ((iconv(iconv_fd
, (void *)&fromp
, &from_size
,
1506 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
1507 || from_size
> CONV_RESTLEN
)
1511 if (conv_error
== 0)
1512 conv_error
= readfile_linenr(linecnt
,
1513 ptr
, (char_u
*)top
);
1515 /* Deal with a bad byte and continue with the next. */
1518 if (bad_char_behavior
== BAD_KEEP
)
1520 *top
++ = *(fromp
- 1);
1523 else if (bad_char_behavior
!= BAD_DROP
)
1525 *top
++ = bad_char_behavior
;
1532 /* Some remaining characters, keep them for the next
1534 mch_memmove(conv_rest
, (char_u
*)fromp
, from_size
);
1535 conv_restlen
= (int)from_size
;
1538 /* move the linerest to before the converted characters */
1539 line_start
= ptr
- linerest
;
1540 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1541 size
= (long)((char_u
*)top
- ptr
);
1546 if (fio_flags
& FIO_CODEPAGE
)
1551 int codepage
= FIO_GET_CP(fio_flags
);
1557 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or
1558 * a codepage, using standard MS-Windows functions. This
1559 * requires two steps:
1560 * 1. convert from 'fileencoding' to ucs-2
1561 * 2. convert from ucs-2 to 'encoding'
1563 * Because there may be illegal bytes AND an incomplete byte
1564 * sequence at the end, we may have to do the conversion one
1565 * character at a time to get it right.
1568 /* Replacement string for WideCharToMultiByte(). */
1569 if (bad_char_behavior
> 0)
1570 replstr
[0] = bad_char_behavior
;
1576 * Move the bytes to the end of the buffer, so that we have
1577 * room to put the result at the start.
1579 src
= ptr
+ real_size
- size
;
1580 mch_memmove(src
, ptr
, size
);
1583 * Do the conversion.
1591 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
1592 if (codepage
== CP_UTF8
)
1594 /* Handle CP_UTF8 input ourselves to be able to handle
1595 * trailing bytes properly.
1596 * Get one UTF-8 character from src. */
1597 bytelen
= (int)utf_ptr2len_len(src
, size
);
1600 /* Only got some bytes of a character. Normally
1601 * it's put in "conv_rest", but if it's too long
1602 * deal with it as if they were illegal bytes. */
1603 if (bytelen
<= CONV_RESTLEN
)
1606 /* weird overlong byte sequence */
1612 int u8c
= utf_ptr2char(src
);
1614 if (u8c
> 0xffff || (*src
>= 0x80 && bytelen
== 1))
1623 /* We don't know how long the byte sequence is, try
1624 * from one to three bytes. */
1625 for (bytelen
= 1; bytelen
<= size
&& bytelen
<= 3;
1628 ucs2len
= MultiByteToWideChar(codepage
,
1629 MB_ERR_INVALID_CHARS
,
1630 (LPCSTR
)src
, bytelen
,
1637 /* If we have only one byte then it's probably an
1638 * incomplete byte sequence. Otherwise discard
1639 * one byte as a bad character. */
1651 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */
1654 /* From UCS-2 to UTF-8. Cannot fail. */
1655 for (i
= 0; i
< ucs2len
; ++i
)
1656 dst
+= utf_char2bytes(ucs2buf
[i
], dst
);
1663 /* From UCS-2 to "enc_codepage". If the
1664 * conversion uses the default character "?",
1665 * the data doesn't fit in this encoding. */
1666 dstlen
= WideCharToMultiByte(enc_codepage
, 0,
1667 (LPCWSTR
)ucs2buf
, ucs2len
,
1668 (LPSTR
)dst
, (int)(src
- dst
),
1679 /* Deal with bytes we can't convert. */
1682 if (conv_error
== 0)
1683 conv_error
= readfile_linenr(linecnt
, ptr
, dst
);
1684 if (bad_char_behavior
!= BAD_DROP
)
1686 if (bad_char_behavior
== BAD_KEEP
)
1688 mch_memmove(dst
, src
, bytelen
);
1692 *dst
++ = bad_char_behavior
;
1702 /* An incomplete byte sequence remaining. */
1703 mch_memmove(conv_rest
, src
, size
);
1704 conv_restlen
= size
;
1707 /* The new size is equal to how much "dst" was advanced. */
1708 size
= (long)(dst
- ptr
);
1712 # ifdef MACOS_CONVERT
1713 if (fio_flags
& FIO_MACROMAN
)
1716 * Conversion from Apple MacRoman char encoding to UTF-8 or
1717 * latin1. This is in os_mac_conv.c.
1719 if (macroman2enc(ptr
, &size
, real_size
) == FAIL
)
1728 char_u
*tail
= NULL
;
1731 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8.
1732 * "enc_utf8" not set: Convert Unicode to Latin1.
1733 * Go from end to start through the buffer, because the number
1734 * of bytes may increase.
1735 * "dest" points to after where the UTF-8 bytes go, "p" points
1736 * to after the next character to convert.
1738 dest
= ptr
+ real_size
;
1739 if (fio_flags
== FIO_LATIN1
|| fio_flags
== FIO_UTF8
)
1742 if (fio_flags
== FIO_UTF8
)
1744 /* Check for a trailing incomplete UTF-8 sequence */
1745 tail
= ptr
+ size
- 1;
1746 while (tail
> ptr
&& (*tail
& 0xc0) == 0x80)
1748 if (tail
+ utf_byte2len(*tail
) <= ptr
+ size
)
1754 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1756 /* Check for a trailing byte */
1757 p
= ptr
+ (size
& ~1);
1760 if ((fio_flags
& FIO_UTF16
) && p
> ptr
)
1762 /* Check for a trailing leading word */
1763 if (fio_flags
& FIO_ENDIAN_L
)
1773 if (u8c
>= 0xd800 && u8c
<= 0xdbff)
1781 /* Check for trailing 1, 2 or 3 bytes */
1782 p
= ptr
+ (size
& ~3);
1787 /* If there is a trailing incomplete sequence move it to
1791 conv_restlen
= (int)((ptr
+ size
) - tail
);
1792 mch_memmove(conv_rest
, (char_u
*)tail
, conv_restlen
);
1793 size
-= conv_restlen
;
1799 if (fio_flags
& FIO_LATIN1
)
1801 else if (fio_flags
& (FIO_UCS2
| FIO_UTF16
))
1803 if (fio_flags
& FIO_ENDIAN_L
)
1813 if ((fio_flags
& FIO_UTF16
)
1814 && u8c
>= 0xdc00 && u8c
<= 0xdfff)
1820 /* Missing leading word. */
1823 if (conv_error
== 0)
1824 conv_error
= readfile_linenr(linecnt
,
1826 if (bad_char_behavior
== BAD_DROP
)
1828 if (bad_char_behavior
!= BAD_KEEP
)
1829 u8c
= bad_char_behavior
;
1832 /* found second word of double-word, get the first
1833 * word and compute the resulting character */
1834 if (fio_flags
& FIO_ENDIAN_L
)
1842 u16c
+= (*--p
<< 8);
1844 u8c
= 0x10000 + ((u16c
& 0x3ff) << 10)
1847 /* Check if the word is indeed a leading word. */
1848 if (u16c
< 0xd800 || u16c
> 0xdbff)
1852 if (conv_error
== 0)
1853 conv_error
= readfile_linenr(linecnt
,
1855 if (bad_char_behavior
== BAD_DROP
)
1857 if (bad_char_behavior
!= BAD_KEEP
)
1858 u8c
= bad_char_behavior
;
1862 else if (fio_flags
& FIO_UCS4
)
1864 if (fio_flags
& FIO_ENDIAN_L
)
1867 u8c
+= (*--p
<< 16);
1871 else /* big endian */
1875 u8c
+= (*--p
<< 16);
1876 u8c
+= (*--p
<< 24);
1885 len
= utf_head_off(ptr
, p
);
1887 u8c
= utf_ptr2char(p
);
1890 /* Not a valid UTF-8 character, retry with
1891 * another fenc when possible, otherwise just
1892 * report the error. */
1895 if (conv_error
== 0)
1896 conv_error
= readfile_linenr(linecnt
,
1898 if (bad_char_behavior
== BAD_DROP
)
1900 if (bad_char_behavior
!= BAD_KEEP
)
1901 u8c
= bad_char_behavior
;
1905 if (enc_utf8
) /* produce UTF-8 */
1907 dest
-= utf_char2len(u8c
);
1908 (void)utf_char2bytes(u8c
, dest
);
1910 else /* produce Latin1 */
1915 /* character doesn't fit in latin1, retry with
1916 * another fenc when possible, otherwise just
1917 * report the error. */
1920 if (conv_error
== 0)
1921 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
1922 if (bad_char_behavior
== BAD_DROP
)
1924 else if (bad_char_behavior
== BAD_KEEP
)
1926 else if (eap
!= NULL
&& eap
->bad_char
!= 0)
1927 *dest
= bad_char_behavior
;
1936 /* move the linerest to before the converted characters */
1937 line_start
= dest
- linerest
;
1938 mch_memmove(line_start
, buffer
, (size_t)linerest
);
1939 size
= (long)((ptr
+ real_size
) - dest
);
1942 else if (enc_utf8
&& !curbuf
->b_p_bin
)
1944 int incomplete_tail
= FALSE
;
1946 /* Reading UTF-8: Check if the bytes are valid UTF-8. */
1947 for (p
= ptr
; ; ++p
)
1949 int todo
= (int)((ptr
+ size
) - p
);
1956 /* A length of 1 means it's an illegal byte. Accept
1957 * an incomplete character at the end though, the next
1958 * read() will get the next bytes, we'll check it
1960 l
= utf_ptr2len_len(p
, todo
);
1961 if (l
> todo
&& !incomplete_tail
)
1963 /* Avoid retrying with a different encoding when
1964 * a truncated file is more likely, or attempting
1965 * to read the rest of an incomplete sequence when
1966 * we have already done so. */
1967 if (p
> ptr
|| filesize
> 0)
1968 incomplete_tail
= TRUE
;
1969 /* Incomplete byte sequence, move it to conv_rest[]
1970 * and try to read the rest of it, unless we've
1971 * already done so. */
1974 conv_restlen
= todo
;
1975 mch_memmove(conv_rest
, p
, conv_restlen
);
1976 size
-= conv_restlen
;
1980 if (l
== 1 || l
> todo
)
1982 /* Illegal byte. If we can try another encoding
1983 * do that, unless at EOF where a truncated
1984 * file is more likely than a conversion error. */
1985 if (can_retry
&& !incomplete_tail
)
1988 /* When we did a conversion report an error. */
1989 if (iconv_fd
!= (iconv_t
)-1 && conv_error
== 0)
1990 conv_error
= readfile_linenr(linecnt
, ptr
, p
);
1992 /* Remember the first linenr with an illegal byte */
1993 if (conv_error
== 0 && illegal_byte
== 0)
1994 illegal_byte
= readfile_linenr(linecnt
, ptr
, p
);
1996 /* Drop, keep or replace the bad byte. */
1997 if (bad_char_behavior
== BAD_DROP
)
1999 mch_memmove(p
, p
+ 1, todo
- 1);
2003 else if (bad_char_behavior
!= BAD_KEEP
)
2004 *p
= bad_char_behavior
;
2010 if (p
< ptr
+ size
&& !incomplete_tail
)
2012 /* Detected a UTF-8 error. */
2014 /* Retry reading with another conversion. */
2015 # if defined(FEAT_EVAL) && defined(USE_ICONV)
2016 if (*p_ccv
!= NUL
&& iconv_fd
!= (iconv_t
)-1)
2017 /* iconv() failed, try 'charconvert' */
2021 /* use next item from 'fileencodings' */
2022 advance_fenc
= TRUE
;
2029 /* count the number of characters (after conversion!) */
2033 * when reading the first part of a file: guess EOL type
2035 if (fileformat
== EOL_UNKNOWN
)
2037 /* First try finding a NL, for Dos and Unix */
2038 if (try_dos
|| try_unix
)
2040 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2045 || (try_dos
&& p
> ptr
&& p
[-1] == CAR
))
2046 fileformat
= EOL_DOS
;
2048 fileformat
= EOL_UNIX
;
2053 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */
2054 if (fileformat
== EOL_UNIX
&& try_mac
)
2056 /* Need to reset the counters when retrying fenc. */
2059 for (; p
>= ptr
&& *p
!= CAR
; p
--)
2063 for (p
= ptr
; p
< ptr
+ size
; ++p
)
2070 if (try_mac
> try_unix
)
2071 fileformat
= EOL_MAC
;
2076 /* No NL found: may use Mac format */
2077 if (fileformat
== EOL_UNKNOWN
&& try_mac
)
2078 fileformat
= EOL_MAC
;
2080 /* Still nothing found? Use first format in 'ffs' */
2081 if (fileformat
== EOL_UNKNOWN
)
2082 fileformat
= default_fileformat();
2084 /* if editing a new file: may set p_tx and p_ff */
2086 set_fileformat(fileformat
, OPT_LOCAL
);
2091 * This loop is executed once for every character read.
2094 if (fileformat
== EOL_MAC
)
2097 while (++ptr
, --size
>= 0)
2099 /* catch most common case first */
2100 if ((c
= *ptr
) != NUL
&& c
!= CAR
&& c
!= NL
)
2103 *ptr
= NL
; /* NULs are replaced by newlines! */
2105 *ptr
= CAR
; /* NLs are replaced by CRs! */
2108 if (skip_count
== 0)
2110 *ptr
= NUL
; /* end of line */
2111 len
= (colnr_T
) (ptr
- line_start
+ 1);
2112 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2118 if (--read_count
== 0)
2120 error
= TRUE
; /* break loop */
2121 line_start
= ptr
; /* nothing left to write */
2127 line_start
= ptr
+ 1;
2134 while (++ptr
, --size
>= 0)
2136 if ((c
= *ptr
) != NUL
&& c
!= NL
) /* catch most common case */
2139 *ptr
= NL
; /* NULs are replaced by newlines! */
2142 if (skip_count
== 0)
2144 *ptr
= NUL
; /* end of line */
2145 len
= (colnr_T
)(ptr
- line_start
+ 1);
2146 if (fileformat
== EOL_DOS
)
2148 if (ptr
[-1] == CAR
) /* remove CR */
2154 * Reading in Dos format, but no CR-LF found!
2155 * When 'fileformats' includes "unix", delete all
2156 * the lines read so far and start all over again.
2157 * Otherwise give an error message later.
2159 else if (ff_error
!= EOL_DOS
)
2164 || lseek(fd
, (off_t
)0L, SEEK_SET
) == 0))
2166 fileformat
= EOL_UNIX
;
2168 set_fileformat(EOL_UNIX
, OPT_LOCAL
);
2170 keep_fileformat
= TRUE
;
2176 if (ml_append(lnum
, line_start
, len
, newfile
) == FAIL
)
2182 if (--read_count
== 0)
2184 error
= TRUE
; /* break loop */
2185 line_start
= ptr
; /* nothing left to write */
2191 line_start
= ptr
+ 1;
2195 linerest
= (long)(ptr
- line_start
);
2200 /* not an error, max. number of lines reached */
2201 if (error
&& read_count
== 0)
2205 * If we get EOF in the middle of a line, note the fact and
2206 * complete the line ourselves.
2207 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set.
2212 && !(!curbuf
->b_p_bin
2213 && fileformat
== EOL_DOS
2214 && *line_start
== Ctrl_Z
2215 && ptr
== line_start
+ 1))
2217 /* remember for when writing */
2219 curbuf
->b_p_eol
= FALSE
;
2221 if (ml_append(lnum
, line_start
,
2222 (colnr_T
)(ptr
- line_start
+ 1), newfile
) == FAIL
)
2225 read_no_eol_lnum
= ++lnum
;
2229 save_file_ff(curbuf
); /* remember the current file format */
2232 if (cryptkey
!= curbuf
->b_p_key
)
2237 /* If editing a new file: set 'fenc' for the current buffer.
2238 * Also for ":read ++edit file". */
2240 set_string_option_direct((char_u
*)"fenc", -1, fenc
,
2241 OPT_FREE
|OPT_LOCAL
, 0);
2245 if (iconv_fd
!= (iconv_t
)-1)
2247 iconv_close(iconv_fd
);
2248 iconv_fd
= (iconv_t
)-1;
2253 if (!read_buffer
&& !read_stdin
)
2254 close(fd
); /* errors are ignored */
2260 /* Use stderr for stdin, makes shell commands work. */
2267 if (tmpname
!= NULL
)
2269 mch_remove(tmpname
); /* delete converted file */
2273 --no_wait_return
; /* may wait for return now */
2276 * In recovery mode everything but autocommands is skipped.
2280 /* need to delete the last line, which comes from the empty buffer */
2281 if (newfile
&& wasempty
&& !(curbuf
->b_ml
.ml_flags
& ML_EMPTY
))
2283 #ifdef FEAT_NETBEANS_INTG
2284 netbeansFireChanges
= 0;
2286 ml_delete(curbuf
->b_ml
.ml_line_count
, FALSE
);
2287 #ifdef FEAT_NETBEANS_INTG
2288 netbeansFireChanges
= 1;
2292 linecnt
= curbuf
->b_ml
.ml_line_count
- linecnt
;
2295 if (newfile
|| read_buffer
)
2297 redraw_curbuf_later(NOT_VALID
);
2299 /* After reading the text into the buffer the diff info needs to
2301 diff_invalidate(curbuf
);
2304 /* All folds in the window are invalid now. Mark them for update
2305 * before triggering autocommands. */
2306 foldUpdateAll(curwin
);
2309 else if (linecnt
) /* appended at least one line */
2310 appended_lines_mark(from
, linecnt
);
2312 #ifndef ALWAYS_USE_GUI
2314 * If we were reading from the same terminal as where messages go,
2315 * the screen will have been messed up.
2316 * Switch on raw mode now and clear the screen.
2320 settmode(TMODE_RAW
); /* set to raw mode */
2328 if (!(flags
& READ_DUMMY
))
2330 filemess(curbuf
, sfname
, (char_u
*)_(e_interr
), 0);
2332 curbuf
->b_p_ro
= TRUE
; /* must use "w!" now */
2334 msg_scroll
= msg_save
;
2338 return OK
; /* an interrupt isn't really an error */
2341 if (!filtering
&& !(flags
& READ_DUMMY
))
2343 msg_add_fname(curbuf
, sfname
); /* fname in IObuff with quotes */
2348 if (S_ISFIFO(perm
)) /* fifo or socket */
2350 STRCAT(IObuff
, _("[fifo/socket]"));
2355 if ((perm
& S_IFMT
) == S_IFIFO
) /* fifo */
2357 STRCAT(IObuff
, _("[fifo]"));
2362 if ((perm
& S_IFMT
) == S_IFSOCK
) /* or socket */
2364 STRCAT(IObuff
, _("[socket]"));
2369 # ifdef OPEN_CHR_FILES
2370 if (S_ISCHR(perm
)) /* or character special */
2372 STRCAT(IObuff
, _("[character special]"));
2379 STRCAT(IObuff
, shortmess(SHM_RO
) ? _("[RO]") : _("[readonly]"));
2382 if (read_no_eol_lnum
)
2387 if (ff_error
== EOL_DOS
)
2389 STRCAT(IObuff
, _("[CR missing]"));
2394 STRCAT(IObuff
, _("[long lines split]"));
2400 STRCAT(IObuff
, _("[NOT converted]"));
2405 STRCAT(IObuff
, _("[converted]"));
2410 if (cryptkey
!= NULL
)
2412 STRCAT(IObuff
, _("[crypted]"));
2417 if (conv_error
!= 0)
2419 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2420 _("[CONVERSION ERROR in line %ld]"), (long)conv_error
);
2423 else if (illegal_byte
> 0)
2425 sprintf((char *)IObuff
+ STRLEN(IObuff
),
2426 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte
);
2433 STRCAT(IObuff
, _("[READ ERRORS]"));
2436 if (msg_add_fileformat(fileformat
))
2439 if (cryptkey
!= NULL
)
2440 msg_add_lines(c
, (long)linecnt
, filesize
- CRYPT_MAGIC_LEN
);
2443 msg_add_lines(c
, (long)linecnt
, filesize
);
2447 msg_scrolled_ign
= TRUE
;
2448 #ifdef ALWAYS_USE_GUI
2449 /* Don't show the message when reading stdin, it would end up in a
2450 * message box (which might be shown when exiting!) */
2451 if (read_stdin
|| read_buffer
)
2452 p
= msg_may_trunc(FALSE
, IObuff
);
2455 p
= msg_trunc_attr(IObuff
, FALSE
, 0);
2456 if (read_stdin
|| read_buffer
|| restart_edit
!= 0
2457 || (msg_scrolled
!= 0 && !need_wait_return
))
2458 /* Need to repeat the message after redrawing when:
2459 * - When reading from stdin (the screen will be cleared next).
2460 * - When restart_edit is set (otherwise there will be a delay
2461 * before redrawing).
2462 * - When the screen was scrolled but there is no wait-return
2465 msg_scrolled_ign
= FALSE
;
2468 /* with errors writing the file requires ":w!" */
2469 if (newfile
&& (error
2472 || (illegal_byte
> 0 && bad_char_behavior
!= BAD_KEEP
)
2475 curbuf
->b_p_ro
= TRUE
;
2477 u_clearline(); /* cannot use "U" command after adding lines */
2480 * In Ex mode: cursor at last new line.
2481 * Otherwise: cursor at first new line.
2484 curwin
->w_cursor
.lnum
= from
+ linecnt
;
2486 curwin
->w_cursor
.lnum
= from
+ 1;
2487 check_cursor_lnum();
2488 beginline(BL_WHITE
| BL_FIX
); /* on first non-blank */
2491 * Set '[ and '] marks to the newly read lines.
2493 curbuf
->b_op_start
.lnum
= from
+ 1;
2494 curbuf
->b_op_start
.col
= 0;
2495 curbuf
->b_op_end
.lnum
= from
+ linecnt
;
2496 curbuf
->b_op_end
.col
= 0;
2500 * Work around a weird problem: When a file has two links (only
2501 * possible on NTFS) and we write through one link, then stat() it
2502 * through the other link, the timestamp information may be wrong.
2503 * It's correct again after reading the file, thus reset the timestamp
2506 if (newfile
&& !read_stdin
&& !read_buffer
2507 && mch_stat((char *)fname
, &st
) >= 0)
2509 buf_store_time(curbuf
, &st
, fname
);
2510 curbuf
->b_mtime_read
= curbuf
->b_mtime
;
2514 msg_scroll
= msg_save
;
2518 * Get the marks before executing autocommands, so they can be used there.
2524 * Trick: We remember if the last line of the read didn't have
2525 * an eol for when writing it again. This is required for
2526 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work.
2528 write_no_eol_lnum
= read_no_eol_lnum
;
2531 if (!read_stdin
&& !read_buffer
)
2534 int n
= msg_scrolled
;
2536 /* Save the fileformat now, otherwise the buffer will be considered
2537 * modified if the format/encoding was automatically detected. */
2539 save_file_ff(curbuf
);
2542 * The output from the autocommands should not overwrite anything and
2543 * should not be overwritten: Set msg_scroll, restore its value if no
2548 apply_autocmds_exarg(EVENT_FILTERREADPOST
, NULL
, sfname
,
2549 FALSE
, curbuf
, eap
);
2551 apply_autocmds_exarg(EVENT_BUFREADPOST
, NULL
, sfname
,
2552 FALSE
, curbuf
, eap
);
2554 apply_autocmds_exarg(EVENT_FILEREADPOST
, sfname
, sfname
,
2556 if (msg_scrolled
== n
)
2559 if (aborting()) /* autocmds may abort script processing */
2565 if (recoverymode
&& error
)
2570 #ifdef OPEN_CHR_FILES
2572 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+",
2573 * which is the name of files used for process substitution output by
2574 * some shells on some operating systems, e.g., bash on SunOS.
2575 * Do not accept "/dev/fd/[012]", opening these may hang Vim.
2578 is_dev_fd_file(fname
)
2581 return (STRNCMP(fname
, "/dev/fd/", 8) == 0
2582 && VIM_ISDIGIT(fname
[8])
2583 && *skipdigits(fname
+ 9) == NUL
2585 || (fname
[8] != '0' && fname
[8] != '1' && fname
[8] != '2')));
2592 * From the current line count and characters read after that, estimate the
2593 * line number where we are now.
2594 * Used for error messages that include a line number.
2597 readfile_linenr(linecnt
, p
, endp
)
2598 linenr_T linecnt
; /* line count before reading more bytes */
2599 char_u
*p
; /* start of more bytes read */
2600 char_u
*endp
; /* end of more bytes read */
2605 lnum
= curbuf
->b_ml
.ml_line_count
- linecnt
+ 1;
2606 for (s
= p
; s
< endp
; ++s
)
2614 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be
2615 * equal to the buffer "buf". Used for calling readfile().
2616 * Returns OK or FAIL.
2619 prep_exarg(eap
, buf
)
2623 eap
->cmd
= alloc((unsigned)(STRLEN(buf
->b_p_ff
)
2625 + STRLEN(buf
->b_p_fenc
)
2628 if (eap
->cmd
== NULL
)
2632 sprintf((char *)eap
->cmd
, "e ++ff=%s ++enc=%s", buf
->b_p_ff
, buf
->b_p_fenc
);
2633 eap
->force_enc
= 14 + (int)STRLEN(buf
->b_p_ff
);
2634 eap
->bad_char
= buf
->b_bad_char
;
2636 sprintf((char *)eap
->cmd
, "e ++ff=%s", buf
->b_p_ff
);
2640 eap
->force_bin
= buf
->b_p_bin
? FORCE_BIN
: FORCE_NOBIN
;
2641 eap
->read_edit
= FALSE
;
2642 eap
->forceit
= FALSE
;
2648 * Find next fileencoding to use from 'fileencodings'.
2649 * "pp" points to fenc_next. It's advanced to the next item.
2650 * When there are no more items, an empty string is returned and *pp is set to
2652 * When *pp is not set to NULL, the result is in allocated memory.
2664 return (char_u
*)"";
2666 p
= vim_strchr(*pp
, ',');
2669 r
= enc_canonize(*pp
);
2674 r
= vim_strnsave(*pp
, (int)(p
- *pp
));
2678 p
= enc_canonize(r
);
2683 if (r
== NULL
) /* out of memory */
2693 * Convert a file with the 'charconvert' expression.
2694 * This closes the file which is to be read, converts it and opens the
2695 * resulting file for reading.
2696 * Returns name of the resulting converted file (the caller should delete it
2697 * after reading it).
2698 * Returns NULL if the conversion failed ("*fdp" is not set) .
2701 readfile_charconvert(fname
, fenc
, fdp
)
2702 char_u
*fname
; /* name of input file */
2703 char_u
*fenc
; /* converted from */
2704 int *fdp
; /* in/out: file descriptor of file */
2707 char_u
*errmsg
= NULL
;
2709 tmpname
= vim_tempname('r');
2710 if (tmpname
== NULL
)
2711 errmsg
= (char_u
*)_("Can't find temp file for conversion");
2714 close(*fdp
); /* close the input file, ignore errors */
2716 if (eval_charconvert(fenc
, enc_utf8
? (char_u
*)"utf-8" : p_enc
,
2717 fname
, tmpname
) == FAIL
)
2718 errmsg
= (char_u
*)_("Conversion with 'charconvert' failed");
2719 if (errmsg
== NULL
&& (*fdp
= mch_open((char *)tmpname
,
2720 O_RDONLY
| O_EXTRA
, 0)) < 0)
2721 errmsg
= (char_u
*)_("can't read output of 'charconvert'");
2726 /* Don't use emsg(), it breaks mappings, the retry with
2727 * another type of conversion might still work. */
2729 if (tmpname
!= NULL
)
2731 mch_remove(tmpname
); /* delete converted file */
2737 /* If the input file is closed, open it (caller should check for error). */
2739 *fdp
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0);
2749 * Read marks for the current buffer from the viminfo file, when we support
2750 * buffer marks and the buffer has a name.
2755 if (!curbuf
->b_marks_read
&& get_viminfo_parameter('\'') > 0
2756 && curbuf
->b_ffname
!= NULL
)
2757 read_viminfo(NULL
, VIF_WANT_MARKS
);
2759 /* Always set b_marks_read; needed when 'viminfo' is changed to include
2760 * the ' parameter after opening a buffer. */
2761 curbuf
->b_marks_read
= TRUE
;
2767 * Check for magic number used for encryption.
2768 * If found, the magic number is removed from ptr[*sizep] and *sizep and
2769 * *filesizep are updated.
2770 * Return the (new) encryption key, NULL for no encryption.
2773 check_for_cryptkey(cryptkey
, ptr
, sizep
, filesizep
, newfile
)
2774 char_u
*cryptkey
; /* previous encryption key or NULL */
2775 char_u
*ptr
; /* pointer to read bytes */
2776 long *sizep
; /* length of read bytes */
2777 long *filesizep
; /* nr of bytes used from file */
2778 int newfile
; /* editing a new buffer */
2780 if (*sizep
>= CRYPT_MAGIC_LEN
2781 && STRNCMP(ptr
, CRYPT_MAGIC
, CRYPT_MAGIC_LEN
) == 0)
2783 if (cryptkey
== NULL
)
2785 if (*curbuf
->b_p_key
)
2786 cryptkey
= curbuf
->b_p_key
;
2789 /* When newfile is TRUE, store the typed key
2790 * in the 'key' option and don't free it. */
2791 cryptkey
= get_crypt_key(newfile
, FALSE
);
2792 /* check if empty key entered */
2793 if (cryptkey
!= NULL
&& *cryptkey
== NUL
)
2795 if (cryptkey
!= curbuf
->b_p_key
)
2802 if (cryptkey
!= NULL
)
2804 crypt_init_keys(cryptkey
);
2806 /* Remove magic number from the text */
2807 *filesizep
+= CRYPT_MAGIC_LEN
;
2808 *sizep
-= CRYPT_MAGIC_LEN
;
2809 mch_memmove(ptr
, ptr
+ CRYPT_MAGIC_LEN
, (size_t)*sizep
);
2812 /* When starting to edit a new file which does not have
2813 * encryption, clear the 'key' option, except when
2814 * starting up (called with -x argument) */
2815 else if (newfile
&& *curbuf
->b_p_key
&& !starting
)
2816 set_option_value((char_u
*)"key", 0L, (char_u
*)"", OPT_LOCAL
);
2824 set_file_time(fname
, atime
, mtime
)
2826 time_t atime
; /* access time */
2827 time_t mtime
; /* modification time */
2829 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
2833 buf
.modtime
= mtime
;
2834 (void)utime((char *)fname
, &buf
);
2836 # if defined(HAVE_UTIMES)
2837 struct timeval tvp
[2];
2839 tvp
[0].tv_sec
= atime
;
2841 tvp
[1].tv_sec
= mtime
;
2844 (void)utimes((char *)fname
, tvp
);
2846 (void)utimes((char *)fname
, (const struct timeval
*)&tvp
);
2853 #if defined(VMS) && !defined(MIN)
2854 /* Older DECC compiler for VAX doesn't define MIN() */
2855 # define MIN(a, b) ((a) < (b) ? (a) : (b))
2859 * Return TRUE if a file appears to be read-only from the file permissions.
2862 check_file_readonly(fname
, perm
)
2863 char_u
*fname
; /* full path to file */
2864 int perm
; /* known permissions on file */
2866 #ifndef USE_MCH_ACCESS
2871 #ifdef USE_MCH_ACCESS
2873 (perm
& 0222) == 0 ||
2875 mch_access((char *)fname
, W_OK
)
2877 (fd
= mch_open((char *)fname
, O_RDWR
| O_EXTRA
, 0)) < 0
2878 ? TRUE
: (close(fd
), FALSE
)
2885 * buf_write() - write to file "fname" lines "start" through "end"
2887 * We do our own buffering here because fwrite() is so slow.
2889 * If "forceit" is true, we don't care for errors when attempting backups.
2890 * In case of an error everything possible is done to restore the original
2891 * file. But when "forceit" is TRUE, we risk losing it.
2893 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and
2894 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
2896 * This function must NOT use NameBuff (because it's called by autowrite()).
2898 * return FAIL for failure, OK otherwise
2901 buf_write(buf
, fname
, sfname
, start
, end
, eap
, append
, forceit
,
2902 reset_changed
, filtering
)
2906 linenr_T start
, end
;
2907 exarg_T
*eap
; /* for forced 'ff' and 'fenc', can be
2909 int append
; /* append to the file */
2915 char_u
*backup
= NULL
;
2916 int backup_copy
= FALSE
; /* copy the original file? */
2919 char_u
*wfname
= NULL
; /* name of file to write to */
2926 char_u
*errmsg
= NULL
;
2927 char_u
*errnum
= NULL
;
2929 char_u smallbuf
[SMBUFSIZE
];
2932 long perm
; /* file permissions */
2934 int newfile
= FALSE
; /* TRUE if file doesn't exist yet */
2935 int msg_save
= msg_scroll
;
2936 int overwriting
; /* TRUE if writing over original */
2937 int no_eol
= FALSE
; /* no end-of-line written */
2938 int device
= FALSE
; /* writing to a device */
2940 int prev_got_int
= got_int
;
2941 int file_readonly
= FALSE
; /* overwritten file is read-only */
2942 static char *err_readonly
= "is read-only (cannot override: \"W\" in 'cpoptions')";
2943 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */
2944 int made_writable
= FALSE
; /* 'w' bit has been set */
2946 /* writing everything */
2947 int whole
= (start
== 1 && end
== buf
->b_ml
.ml_line_count
);
2949 linenr_T old_line_count
= buf
->b_ml
.ml_line_count
;
2954 struct bw_info write_info
; /* info for buf_write_bytes() */
2956 int converted
= FALSE
;
2957 int notconverted
= FALSE
;
2958 char_u
*fenc
; /* effective 'fileencoding' */
2959 char_u
*fenc_tofree
= NULL
; /* allocated "fenc" */
2965 vim_acl_T acl
= NULL
; /* ACL copied from original file to
2966 backup or new file */
2969 if (fname
== NULL
|| *fname
== NUL
) /* safety check */
2973 * Disallow writing from .exrc and .vimrc in current directory for
2979 /* Avoid a crash for a long name. */
2980 if (STRLEN(fname
) >= MAXPATHL
)
2982 EMSG(_(e_longname
));
2987 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */
2988 write_info
.bw_conv_buf
= NULL
;
2989 write_info
.bw_conv_error
= FALSE
;
2990 write_info
.bw_restlen
= 0;
2992 write_info
.bw_iconv_fd
= (iconv_t
)-1;
2996 /* After writing a file changedtick changes but we don't want to display
2998 ex_no_reprint
= TRUE
;
3001 * If there is no file name yet, use the one for the written file.
3002 * BF_NOTEDITED is set to reflect this (in case the write fails).
3003 * Don't do this when the write is for a filter command.
3004 * Don't do this when appending.
3005 * Only do this when 'cpoptions' contains the 'F' flag.
3007 if (buf
->b_ffname
== NULL
3011 #ifdef FEAT_QUICKFIX
3015 && (!append
|| vim_strchr(p_cpo
, CPO_FNAMEAPP
) != NULL
)
3016 && vim_strchr(p_cpo
, CPO_FNAMEW
) != NULL
)
3018 if (set_rw_fname(fname
, sfname
) == FAIL
)
3020 buf
= curbuf
; /* just in case autocmds made "buf" invalid */
3026 * For Unix: Use the short file name whenever possible.
3027 * Avoids problems with networks and when directory names are changed.
3028 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
3029 * another directory, which we don't detect
3031 ffname
= fname
; /* remember full fname */
3036 if (buf
->b_ffname
!= NULL
&& fnamecmp(ffname
, buf
->b_ffname
) == 0)
3039 overwriting
= FALSE
;
3042 settmode(TMODE_COOK
); /* when exiting allow typahead now */
3044 ++no_wait_return
; /* don't wait for return yet */
3047 * Set '[ and '] marks to the lines to be written.
3049 buf
->b_op_start
.lnum
= start
;
3050 buf
->b_op_start
.col
= 0;
3051 buf
->b_op_end
.lnum
= end
;
3052 buf
->b_op_end
.col
= 0;
3057 int buf_ffname
= FALSE
;
3058 int buf_sfname
= FALSE
;
3059 int buf_fname_f
= FALSE
;
3060 int buf_fname_s
= FALSE
;
3061 int did_cmd
= FALSE
;
3062 int nofile_err
= FALSE
;
3063 int empty_memline
= (buf
->b_ml
.ml_mfp
== NULL
);
3066 * Apply PRE aucocommands.
3067 * Set curbuf to the buffer to be written.
3068 * Careful: The autocommands may call buf_write() recursively!
3070 if (ffname
== buf
->b_ffname
)
3072 if (sfname
== buf
->b_sfname
)
3074 if (fname
== buf
->b_ffname
)
3076 if (fname
== buf
->b_sfname
)
3079 /* set curwin/curbuf to buf and save a few things */
3080 aucmd_prepbuf(&aco
, buf
);
3084 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEAPPENDCMD
,
3085 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3087 #ifdef FEAT_QUICKFIX
3088 if (overwriting
&& bt_nofile(curbuf
))
3092 apply_autocmds_exarg(EVENT_FILEAPPENDPRE
,
3093 sfname
, sfname
, FALSE
, curbuf
, eap
);
3098 apply_autocmds_exarg(EVENT_FILTERWRITEPRE
,
3099 NULL
, sfname
, FALSE
, curbuf
, eap
);
3101 else if (reset_changed
&& whole
)
3103 if (!(did_cmd
= apply_autocmds_exarg(EVENT_BUFWRITECMD
,
3104 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3106 #ifdef FEAT_QUICKFIX
3107 if (overwriting
&& bt_nofile(curbuf
))
3111 apply_autocmds_exarg(EVENT_BUFWRITEPRE
,
3112 sfname
, sfname
, FALSE
, curbuf
, eap
);
3117 if (!(did_cmd
= apply_autocmds_exarg(EVENT_FILEWRITECMD
,
3118 sfname
, sfname
, FALSE
, curbuf
, eap
)))
3120 #ifdef FEAT_QUICKFIX
3121 if (overwriting
&& bt_nofile(curbuf
))
3125 apply_autocmds_exarg(EVENT_FILEWRITEPRE
,
3126 sfname
, sfname
, FALSE
, curbuf
, eap
);
3130 /* restore curwin/curbuf and a few other things */
3131 aucmd_restbuf(&aco
);
3134 * In three situations we return here and don't write the file:
3135 * 1. the autocommands deleted or unloaded the buffer.
3136 * 2. The autocommands abort script processing.
3137 * 3. If one of the "Cmd" autocommands was executed.
3139 if (!buf_valid(buf
))
3141 if (buf
== NULL
|| (buf
->b_ml
.ml_mfp
== NULL
&& !empty_memline
)
3142 || did_cmd
|| nofile_err
3149 msg_scroll
= msg_save
;
3151 EMSG(_("E676: No matching autocommands for acwrite buffer"));
3158 /* An aborting error, interrupt or exception in the
3164 /* The buffer was deleted. We assume it was written
3165 * (can't retry anyway). */
3169 /* Assume the buffer was written, update the timestamp. */
3172 buf
->b_flags
&= ~BF_NEW
;
3174 buf
->b_flags
&= ~BF_WRITE_MASK
;
3176 if (reset_changed
&& buf
->b_changed
&& !append
3177 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
))
3178 /* Buffer still changed, the autocommands didn't work
3186 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written"));
3191 * The autocommands may have changed the number of lines in the file.
3192 * When writing the whole file, adjust the end.
3193 * When writing part of the file, assume that the autocommands only
3194 * changed the number of lines that are to be written (tricky!).
3196 if (buf
->b_ml
.ml_line_count
!= old_line_count
)
3198 if (whole
) /* write all */
3199 end
= buf
->b_ml
.ml_line_count
;
3200 else if (buf
->b_ml
.ml_line_count
> old_line_count
) /* more lines */
3201 end
+= buf
->b_ml
.ml_line_count
- old_line_count
;
3202 else /* less lines */
3204 end
-= old_line_count
- buf
->b_ml
.ml_line_count
;
3208 msg_scroll
= msg_save
;
3209 EMSG(_("E204: Autocommand changed number of lines in unexpected way"));
3216 * The autocommands may have changed the name of the buffer, which may
3217 * be kept in fname, ffname and sfname.
3220 ffname
= buf
->b_ffname
;
3222 sfname
= buf
->b_sfname
;
3224 fname
= buf
->b_ffname
;
3226 fname
= buf
->b_sfname
;
3230 #ifdef FEAT_NETBEANS_INTG
3231 if (usingNetbeans
&& isNetbeansBuffer(buf
))
3236 * b_changed can be 0 after an undo, but we still need to write
3237 * the buffer to NetBeans.
3239 if (buf
->b_changed
|| isNetbeansModified(buf
))
3241 --no_wait_return
; /* may wait for return now */
3242 msg_scroll
= msg_save
;
3243 netbeans_save_buffer(buf
); /* no error checking... */
3248 errnum
= (char_u
*)"E656: ";
3249 errmsg
= (char_u
*)_("NetBeans disallows writes of unmodified buffers");
3256 errnum
= (char_u
*)"E657: ";
3257 errmsg
= (char_u
*)_("Partial writes disallowed for NetBeans buffers");
3264 if (shortmess(SHM_OVER
) && !exiting
)
3265 msg_scroll
= FALSE
; /* overwrite previous file message */
3267 msg_scroll
= TRUE
; /* don't overwrite previous file message */
3275 (char_u
*)"", 0); /* show that we are busy */
3276 msg_scroll
= FALSE
; /* always overwrite the file message now */
3278 buffer
= alloc(BUFSIZE
);
3279 if (buffer
== NULL
) /* can't allocate big buffer, use small
3280 * one (to be able to write when out of
3284 bufsize
= SMBUFSIZE
;
3290 * Get information about original file (if there is one).
3292 #if defined(UNIX) && !defined(ARCHIE)
3296 if (mch_stat((char *)fname
, &st_old
) < 0)
3300 perm
= st_old
.st_mode
;
3301 if (!S_ISREG(st_old
.st_mode
)) /* not a file */
3303 if (S_ISDIR(st_old
.st_mode
))
3305 errnum
= (char_u
*)"E502: ";
3306 errmsg
= (char_u
*)_("is a directory");
3309 if (mch_nodetype(fname
) != NODE_WRITABLE
)
3311 errnum
= (char_u
*)"E503: ";
3312 errmsg
= (char_u
*)_("is not a file or writable device");
3315 /* It's a device of some kind (or a fifo) which we can write to
3316 * but for which we can't make a backup. */
3324 * Check for a writable device name.
3326 c
= mch_nodetype(fname
);
3327 if (c
== NODE_OTHER
)
3329 errnum
= (char_u
*)"E503: ";
3330 errmsg
= (char_u
*)_("is not a file or writable device");
3333 if (c
== NODE_WRITABLE
)
3335 # if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3336 /* MS-Windows allows opening a device, but we will probably get stuck
3337 * trying to write to it. */
3340 errnum
= (char_u
*)"E796: ";
3341 errmsg
= (char_u
*)_("writing to device disabled with 'opendevice' option");
3351 perm
= mch_getperm(fname
);
3354 else if (mch_isdir(fname
))
3356 errnum
= (char_u
*)"E502: ";
3357 errmsg
= (char_u
*)_("is a directory");
3361 (void)mch_stat((char *)fname
, &st_old
);
3365 if (!device
&& !newfile
)
3368 * Check if the file is really writable (when renaming the file to
3369 * make a backup we won't discover it later).
3371 file_readonly
= check_file_readonly(fname
, (int)perm
);
3373 if (!forceit
&& file_readonly
)
3375 if (vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3377 errnum
= (char_u
*)"E504: ";
3378 errmsg
= (char_u
*)_(err_readonly
);
3382 errnum
= (char_u
*)"E505: ";
3383 errmsg
= (char_u
*)_("is read-only (add ! to override)");
3389 * Check if the timestamp hasn't changed since reading the file.
3393 retval
= check_mtime(buf
, &st_old
);
3401 * For systems that support ACL: get the ACL from the original file.
3404 acl
= mch_get_acl(fname
);
3408 * If 'backupskip' is not empty, don't make a backup for some files.
3410 dobackup
= (p_wb
|| p_bk
|| *p_pm
!= NUL
);
3412 if (dobackup
&& *p_bsk
!= NUL
&& match_file_list(p_bsk
, sfname
, ffname
))
3417 * Save the value of got_int and reset it. We don't want a previous
3418 * interruption cancel writing, only hitting CTRL-C while writing should
3421 prev_got_int
= got_int
;
3424 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */
3425 buf
->b_saving
= TRUE
;
3428 * If we are not appending or filtering, the file exists, and the
3429 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
3430 * When 'patchmode' is set also make a backup when appending.
3432 * Do not make any backup, if 'writebackup' and 'backup' are both switched
3433 * off. This helps when editing large files on almost-full disks.
3435 if (!(append
&& *p_pm
== NUL
) && !filtering
&& perm
>= 0 && dobackup
)
3437 #if defined(UNIX) || defined(WIN32)
3441 if ((bkc_flags
& BKC_YES
) || append
) /* "yes" */
3443 #if defined(UNIX) || defined(WIN32)
3444 else if ((bkc_flags
& BKC_AUTO
)) /* "auto" */
3450 * Don't rename the file when:
3451 * - it's a hard link
3452 * - it's a symbolic link
3453 * - we don't have write permission in the directory
3454 * - we can't set the owner/group of the new file
3456 if (st_old
.st_nlink
> 1
3457 || mch_lstat((char *)fname
, &st
) < 0
3458 || st
.st_dev
!= st_old
.st_dev
3459 || st
.st_ino
!= st_old
.st_ino
3460 # ifndef HAVE_FCHOWN
3461 || st
.st_uid
!= st_old
.st_uid
3462 || st
.st_gid
!= st_old
.st_gid
3469 /* On NTFS file systems hard links are possible. */
3470 if (mch_is_linked(fname
))
3477 * Check if we can create a file and set the owner/group to
3478 * the ones from the original file.
3479 * First find a file name that doesn't exist yet (use some
3480 * arbitrary numbers).
3482 STRCPY(IObuff
, fname
);
3483 for (i
= 4913; ; i
+= 123)
3485 sprintf((char *)gettail(IObuff
), "%d", i
);
3486 if (mch_lstat((char *)IObuff
, &st
) < 0)
3489 fd
= mch_open((char *)IObuff
,
3490 O_CREAT
|O_WRONLY
|O_EXCL
|O_NOFOLLOW
, perm
);
3491 if (fd
< 0) /* can't write in directory */
3497 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
3499 if (mch_stat((char *)IObuff
, &st
) < 0
3500 || st
.st_uid
!= st_old
.st_uid
3501 || st
.st_gid
!= st_old
.st_gid
3502 || (long)st
.st_mode
!= perm
)
3505 /* Close the file before removing it, on MS-Windows we
3506 * can't delete an open file. */
3515 * Break symlinks and/or hardlinks if we've been asked to.
3517 if ((bkc_flags
& BKC_BREAKSYMLINK
) || (bkc_flags
& BKC_BREAKHARDLINK
))
3521 lstat_res
= mch_lstat((char *)fname
, &st
);
3524 if ((bkc_flags
& BKC_BREAKSYMLINK
)
3526 && st
.st_ino
!= st_old
.st_ino
)
3527 backup_copy
= FALSE
;
3530 if ((bkc_flags
& BKC_BREAKHARDLINK
)
3531 && st_old
.st_nlink
> 1
3532 && (lstat_res
!= 0 || st
.st_ino
== st_old
.st_ino
))
3533 backup_copy
= FALSE
;
3539 /* make sure we have a valid backup extension to use */
3543 backup_ext
= (char_u
*)"/bak";
3545 backup_ext
= (char_u
*)".bak";
3552 && (fd
= mch_open((char *)fname
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
3555 char_u
*copybuf
, *wp
;
3556 int some_error
= FALSE
;
3560 #if defined(UNIX) && !defined(SHORT_FNAME)
3561 int did_set_shortname
;
3564 copybuf
= alloc(BUFSIZE
+ 1);
3565 if (copybuf
== NULL
)
3567 some_error
= TRUE
; /* out of memory */
3572 * Try to make the backup in each directory in the 'bdir' option.
3574 * Unix semantics has it, that we may have a writable file,
3575 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
3576 * - the directory is not writable,
3577 * - the file may be a symbolic link,
3578 * - the file may belong to another user/group, etc.
3580 * For these reasons, the existing writable file must be truncated
3581 * and reused. Creation of a backup COPY will be attempted.
3593 * Isolate one directory name, using an entry in 'bdir'.
3595 (void)copy_option_part(&dirp
, copybuf
, BUFSIZE
, ",");
3596 rootname
= get_file_in_dir(fname
, copybuf
);
3597 if (rootname
== NULL
)
3599 some_error
= TRUE
; /* out of memory */
3603 #if defined(UNIX) && !defined(SHORT_FNAME)
3604 did_set_shortname
= FALSE
;
3608 * May try twice if 'shortname' not set.
3613 * Make backup file name.
3615 backup
= buf_modname(
3619 (buf
->b_p_sn
|| buf
->b_shortname
),
3621 rootname
, backup_ext
, FALSE
);
3625 some_error
= TRUE
; /* out of memory */
3630 * Check if backup file already exists.
3632 if (mch_stat((char *)backup
, &st_new
) >= 0)
3636 * Check if backup file is same as original file.
3637 * May happen when modname() gave the same file back.
3638 * E.g. silly link, or file name-length reached.
3639 * If we don't check here, we either ruin the file
3640 * when copying or erase it after writing. jw.
3642 if (st_new
.st_dev
== st_old
.st_dev
3643 && st_new
.st_ino
== st_old
.st_ino
)
3646 backup
= NULL
; /* no backup file to delete */
3647 # ifndef SHORT_FNAME
3649 * may try again with 'shortname' set
3651 if (!(buf
->b_shortname
|| buf
->b_p_sn
))
3653 buf
->b_shortname
= TRUE
;
3654 did_set_shortname
= TRUE
;
3657 /* setting shortname didn't help */
3658 if (did_set_shortname
)
3659 buf
->b_shortname
= FALSE
;
3666 * If we are not going to keep the backup file, don't
3667 * delete an existing one, try to use another name.
3668 * Change one character, just before the extension.
3672 wp
= backup
+ STRLEN(backup
) - 1
3673 - STRLEN(backup_ext
);
3674 if (wp
< backup
) /* empty file name ??? */
3678 && mch_stat((char *)backup
, &st_new
) >= 0)
3680 /* They all exist??? Must be something wrong. */
3693 * Try to create the backup file
3697 /* remove old backup, if present */
3699 /* Open with O_EXCL to avoid the file being created while
3700 * we were sleeping (symlink hacker attack?) */
3701 bfd
= mch_open((char *)backup
,
3702 O_WRONLY
|O_CREAT
|O_EXTRA
|O_EXCL
|O_NOFOLLOW
,
3711 /* set file protection same as original file, but
3713 (void)mch_setperm(backup
, perm
& 0777);
3717 * Try to set the group of the backup same as the
3718 * original file. If this fails, set the protection
3719 * bits for the group same as the protection bits for
3722 if (st_new
.st_gid
!= st_old
.st_gid
3723 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
3724 && fchown(bfd
, (uid_t
)-1, st_old
.st_gid
) != 0
3728 (perm
& 0707) | ((perm
& 07) << 3));
3729 # ifdef HAVE_SELINUX
3730 mch_copy_sec(fname
, backup
);
3737 write_info
.bw_fd
= bfd
;
3738 write_info
.bw_buf
= copybuf
;
3740 write_info
.bw_flags
= FIO_NOCONVERT
;
3742 while ((write_info
.bw_len
= vim_read(fd
, copybuf
,
3745 if (buf_write_bytes(&write_info
) == FAIL
)
3747 errmsg
= (char_u
*)_("E506: Can't write to backup file (add ! to override)");
3753 errmsg
= (char_u
*)_(e_interr
);
3758 if (close(bfd
) < 0 && errmsg
== NULL
)
3759 errmsg
= (char_u
*)_("E507: Close error for backup file (add ! to override)");
3760 if (write_info
.bw_len
< 0)
3761 errmsg
= (char_u
*)_("E508: Can't read file for backup (add ! to override)");
3763 set_file_time(backup
, st_old
.st_atime
, st_old
.st_mtime
);
3766 mch_set_acl(backup
, acl
);
3769 mch_copy_sec(fname
, backup
);
3776 close(fd
); /* ignore errors for closing read file */
3779 if (backup
== NULL
&& errmsg
== NULL
)
3780 errmsg
= (char_u
*)_("E509: Cannot create backup file (add ! to override)");
3781 /* ignore errors when forceit is TRUE */
3782 if ((some_error
|| errmsg
!= NULL
) && !forceit
)
3796 * Make a backup by renaming the original file.
3799 * If 'cpoptions' includes the "W" flag, we don't want to
3800 * overwrite a read-only file. But rename may be possible
3801 * anyway, thus we need an extra check here.
3803 if (file_readonly
&& vim_strchr(p_cpo
, CPO_FWRITE
) != NULL
)
3805 errnum
= (char_u
*)"E504: ";
3806 errmsg
= (char_u
*)_(err_readonly
);
3812 * Form the backup file name - change path/fo.o.h to
3813 * path/fo.o.h.bak Try all directories in 'backupdir', first one
3814 * that works is used.
3820 * Isolate one directory name and make the backup file name.
3822 (void)copy_option_part(&dirp
, IObuff
, IOSIZE
, ",");
3823 rootname
= get_file_in_dir(fname
, IObuff
);
3824 if (rootname
== NULL
)
3828 backup
= buf_modname(
3832 (buf
->b_p_sn
|| buf
->b_shortname
),
3834 rootname
, backup_ext
, FALSE
);
3841 * If we are not going to keep the backup file, don't
3842 * delete an existing one, try to use another name.
3843 * Change one character, just before the extension.
3845 if (!p_bk
&& mch_getperm(backup
) >= 0)
3847 p
= backup
+ STRLEN(backup
) - 1 - STRLEN(backup_ext
);
3848 if (p
< backup
) /* empty file name ??? */
3851 while (*p
> 'a' && mch_getperm(backup
) >= 0)
3853 /* They all exist??? Must be something wrong! */
3864 * Delete any existing backup and move the current version
3865 * to the backup. For safety, we don't remove the backup
3866 * until the write has finished successfully. And if the
3867 * 'backup' option is set, leave it around.
3870 * If the renaming of the original file to the backup file
3873 if (vim_rename(fname
, backup
) == 0)
3876 vim_free(backup
); /* don't do the rename below */
3880 if (backup
== NULL
&& !forceit
)
3882 errmsg
= (char_u
*)_("E510: Can't make backup file (add ! to override)");
3888 #if defined(UNIX) && !defined(ARCHIE)
3889 /* When using ":w!" and the file was read-only: make it writable */
3890 if (forceit
&& perm
>= 0 && !(perm
& 0200) && st_old
.st_uid
== getuid()
3891 && vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
)
3894 (void)mch_setperm(fname
, perm
);
3895 made_writable
= TRUE
;
3899 /* When using ":w!" and writing to the current file, 'readonly' makes no
3900 * sense, reset it, unless 'Z' appears in 'cpoptions'. */
3901 if (forceit
&& overwriting
&& vim_strchr(p_cpo
, CPO_KEEPRO
) == NULL
)
3903 buf
->b_p_ro
= FALSE
;
3905 need_maketitle
= TRUE
; /* set window title later */
3908 status_redraw_all(); /* redraw status lines later */
3912 if (end
> buf
->b_ml
.ml_line_count
)
3913 end
= buf
->b_ml
.ml_line_count
;
3914 if (buf
->b_ml
.ml_flags
& ML_EMPTY
)
3918 * If the original file is being overwritten, there is a small chance that
3919 * we crash in the middle of writing. Therefore the file is preserved now.
3920 * This makes all block numbers positive so that recovery does not need
3921 * the original file.
3922 * Don't do this if there is a backup file and we are exiting.
3924 if (reset_changed
&& !newfile
&& overwriting
3925 && !(exiting
&& backup
!= NULL
))
3927 ml_preserve(buf
, FALSE
);
3930 errmsg
= (char_u
*)_(e_interr
);
3931 goto restore_backup
;
3935 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
3937 * Before risking to lose the original file verify if there's
3938 * a resource fork to preserve, and if cannot be done warn
3939 * the users. This happens when overwriting without backups.
3941 if (backup
== NULL
&& overwriting
&& !append
)
3942 if (mch_has_resource_fork(fname
))
3944 errmsg
= (char_u
*)_("E460: The resource fork would be lost (add ! to override)");
3945 goto restore_backup
;
3950 vms_remove_version(fname
); /* remove version */
3952 /* Default: write the file directly. May write to a temp file for
3953 * multi-byte conversion. */
3957 /* Check for forced 'fileencoding' from "++opt=val" argument. */
3958 if (eap
!= NULL
&& eap
->force_enc
!= 0)
3960 fenc
= eap
->cmd
+ eap
->force_enc
;
3961 fenc
= enc_canonize(fenc
);
3965 fenc
= buf
->b_p_fenc
;
3968 * The file needs to be converted when 'fileencoding' is set and
3969 * 'fileencoding' differs from 'encoding'.
3971 converted
= (*fenc
!= NUL
&& !same_encoding(p_enc
, fenc
));
3974 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
3975 * Latin1 to Unicode conversion. This is handled in buf_write_bytes().
3976 * Prepare the flags for it and allocate bw_conv_buf when needed.
3978 if (converted
&& (enc_utf8
|| STRCMP(p_enc
, "latin1") == 0))
3980 wb_flags
= get_fio_flags(fenc
);
3981 if (wb_flags
& (FIO_UCS2
| FIO_UCS4
| FIO_UTF16
| FIO_UTF8
))
3983 /* Need to allocate a buffer to translate into. */
3984 if (wb_flags
& (FIO_UCS2
| FIO_UTF16
| FIO_UTF8
))
3985 write_info
.bw_conv_buflen
= bufsize
* 2;
3987 write_info
.bw_conv_buflen
= bufsize
* 4;
3988 write_info
.bw_conv_buf
3989 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
3990 if (write_info
.bw_conv_buf
== NULL
)
3996 if (converted
&& wb_flags
== 0 && (wb_flags
= get_win_fio_flags(fenc
)) != 0)
3998 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */
3999 write_info
.bw_conv_buflen
= bufsize
* 4;
4000 write_info
.bw_conv_buf
4001 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4002 if (write_info
.bw_conv_buf
== NULL
)
4008 if (converted
&& wb_flags
== 0 && (wb_flags
= get_mac_fio_flags(fenc
)) != 0)
4010 write_info
.bw_conv_buflen
= bufsize
* 3;
4011 write_info
.bw_conv_buf
4012 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4013 if (write_info
.bw_conv_buf
== NULL
)
4018 # if defined(FEAT_EVAL) || defined(USE_ICONV)
4019 if (converted
&& wb_flags
== 0)
4023 * Use iconv() conversion when conversion is needed and it's not done
4026 write_info
.bw_iconv_fd
= (iconv_t
)my_iconv_open(fenc
,
4027 enc_utf8
? (char_u
*)"utf-8" : p_enc
);
4028 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
4030 /* We're going to use iconv(), allocate a buffer to convert in. */
4031 write_info
.bw_conv_buflen
= bufsize
* ICONV_MULT
;
4032 write_info
.bw_conv_buf
4033 = lalloc((long_u
)write_info
.bw_conv_buflen
, TRUE
);
4034 if (write_info
.bw_conv_buf
== NULL
)
4036 write_info
.bw_first
= TRUE
;
4045 * When the file needs to be converted with 'charconvert' after
4046 * writing, write to a temp file instead and let the conversion
4047 * overwrite the original file.
4051 wfname
= vim_tempname('w');
4052 if (wfname
== NULL
) /* Can't write without a tempfile! */
4054 errmsg
= (char_u
*)_("E214: Can't find temp file for writing");
4055 goto restore_backup
;
4061 if (converted
&& wb_flags
== 0
4063 && write_info
.bw_iconv_fd
== (iconv_t
)-1
4072 errmsg
= (char_u
*)_("E213: Cannot convert (add ! to write without conversion)");
4073 goto restore_backup
;
4075 notconverted
= TRUE
;
4080 * Open the file "wfname" for writing.
4081 * We may try to open the file twice: If we can't write to the
4082 * file and forceit is TRUE we delete the existing file and try to create
4083 * a new one. If this still fails we may have lost the original file!
4084 * (this may happen when the user reached his quotum for number of files).
4085 * Appending will fail if the file does not exist and forceit is FALSE.
4087 while ((fd
= mch_open((char *)wfname
, O_WRONLY
| O_EXTRA
| (append
4088 ? (forceit
? (O_APPEND
| O_CREAT
) : O_APPEND
)
4089 : (O_CREAT
| O_TRUNC
))
4090 , perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4093 * A forced write will try to create a new file if the old one is
4094 * still readonly. This may also happen when the directory is
4095 * read-only. In that case the mch_remove() will fail.
4102 /* Don't delete the file when it's a hard or symbolic link. */
4103 if ((!newfile
&& st_old
.st_nlink
> 1)
4104 || (mch_lstat((char *)fname
, &st
) == 0
4105 && (st
.st_dev
!= st_old
.st_dev
4106 || st
.st_ino
!= st_old
.st_ino
)))
4107 errmsg
= (char_u
*)_("E166: Can't open linked file for writing");
4111 errmsg
= (char_u
*)_("E212: Can't open file for writing");
4112 if (forceit
&& vim_strchr(p_cpo
, CPO_FWRITE
) == NULL
4116 /* we write to the file, thus it should be marked
4117 writable after all */
4119 made_writable
= TRUE
;
4121 if (st_old
.st_uid
!= getuid() || st_old
.st_gid
!= getgid())
4124 if (!append
) /* don't remove when appending */
4136 * If we failed to open the file, we don't need a backup. Throw it
4137 * away. If we moved or removed the original file try to put the
4138 * backup in its place.
4140 if (backup
!= NULL
&& wfname
== fname
)
4145 * There is a small chance that we removed the original,
4146 * try to move the copy in its place.
4147 * This may not work if the vim_rename() fails.
4148 * In that case we leave the copy around.
4150 /* If file does not exist, put the copy in its place */
4151 if (mch_stat((char *)fname
, &st
) < 0)
4152 vim_rename(backup
, fname
);
4153 /* if original file does exist throw away the copy */
4154 if (mch_stat((char *)fname
, &st
) >= 0)
4159 /* try to put the original file back */
4160 vim_rename(backup
, fname
);
4164 /* if original file no longer exists give an extra warning */
4165 if (!newfile
&& mch_stat((char *)fname
, &st
) < 0)
4170 if (wfname
!= fname
)
4177 #if defined(MACOS_CLASSIC) || defined(WIN3264)
4178 /* TODO: Is it need for MACOS_X? (Dany) */
4180 * On macintosh copy the original files attributes (i.e. the backup)
4181 * This is done in order to preserve the resource fork and the
4182 * Finder attribute (label, comments, custom icons, file creator)
4184 if (backup
!= NULL
&& overwriting
&& !append
)
4187 (void)mch_copy_file_attribute(wfname
, backup
);
4189 (void)mch_copy_file_attribute(backup
, wfname
);
4192 if (!overwriting
&& !append
)
4194 if (buf
->b_ffname
!= NULL
)
4195 (void)mch_copy_file_attribute(buf
->b_ffname
, wfname
);
4196 /* Should copy resource fork */
4200 write_info
.bw_fd
= fd
;
4203 if (*buf
->b_p_key
&& !filtering
)
4205 crypt_init_keys(buf
->b_p_key
);
4206 /* Write magic number, so that Vim knows that this file is encrypted
4207 * when reading it again. This also undergoes utf-8 to ucs-2/4
4208 * conversion when needed. */
4209 write_info
.bw_buf
= (char_u
*)CRYPT_MAGIC
;
4210 write_info
.bw_len
= CRYPT_MAGIC_LEN
;
4211 write_info
.bw_flags
= FIO_NOCONVERT
;
4212 if (buf_write_bytes(&write_info
) == FAIL
)
4214 wb_flags
|= FIO_ENCRYPTED
;
4218 write_info
.bw_buf
= buffer
;
4221 /* use "++bin", "++nobin" or 'binary' */
4222 if (eap
!= NULL
&& eap
->force_bin
!= 0)
4223 write_bin
= (eap
->force_bin
== FORCE_BIN
);
4225 write_bin
= buf
->b_p_bin
;
4229 * The BOM is written just after the encryption magic number.
4230 * Skip it when appending and the file already existed, the BOM only makes
4231 * sense at the start of the file.
4233 if (buf
->b_p_bomb
&& !write_bin
&& (!append
|| perm
< 0))
4235 write_info
.bw_len
= make_bom(buffer
, fenc
);
4236 if (write_info
.bw_len
> 0)
4238 /* don't convert, do encryption */
4239 write_info
.bw_flags
= FIO_NOCONVERT
| wb_flags
;
4240 if (buf_write_bytes(&write_info
) == FAIL
)
4243 nchars
+= write_info
.bw_len
;
4248 write_info
.bw_len
= bufsize
;
4250 write_info
.bw_flags
= wb_flags
;
4252 fileformat
= get_fileformat_force(buf
, eap
);
4255 for (lnum
= start
; lnum
<= end
; ++lnum
)
4258 * The next while loop is done once for each character written.
4261 ptr
= ml_get_buf(buf
, lnum
, FALSE
) - 1;
4262 while ((c
= *++ptr
) != NUL
)
4265 *s
= NUL
; /* replace newlines with NULs */
4266 else if (c
== CAR
&& fileformat
== EOL_MAC
)
4267 *s
= NL
; /* Mac: replace CRs with NLs */
4271 if (++len
!= bufsize
)
4273 if (buf_write_bytes(&write_info
) == FAIL
)
4275 end
= 0; /* write error: break loop */
4282 /* write failed or last line has no EOL: stop here */
4286 && (lnum
== write_no_eol_lnum
4287 || (lnum
== buf
->b_ml
.ml_line_count
&& !buf
->b_p_eol
))))
4289 ++lnum
; /* written the line, count it */
4293 if (fileformat
== EOL_UNIX
)
4297 *s
++ = CAR
; /* EOL_MAC or EOL_DOS: write CR */
4298 if (fileformat
== EOL_DOS
) /* write CR-NL */
4300 if (++len
== bufsize
)
4302 if (buf_write_bytes(&write_info
) == FAIL
)
4304 end
= 0; /* write error: break loop */
4314 if (++len
== bufsize
&& end
)
4316 if (buf_write_bytes(&write_info
) == FAIL
)
4318 end
= 0; /* write error: break loop */
4328 end
= 0; /* Interrupted, break loop */
4334 * On VMS there is a problem: newlines get added when writing blocks
4335 * at a time. Fix it by writing a line at a time.
4336 * This is much slower!
4337 * Explanation: VAX/DECC RTL insists that records in some RMS
4338 * structures end with a newline (carriage return) character, and if
4339 * they don't it adds one.
4340 * With other RMS structures it works perfect without this fix.
4342 if (buf
->b_fab_rfm
== FAB$C_VFC
4343 || ((buf
->b_fab_rat
& (FAB$M_FTN
| FAB$M_CR
)) != 0))
4347 buf
->b_fab_mrs
= (buf
->b_fab_mrs
== 0
4348 ? MIN(4096, bufsize
)
4349 : MIN(buf
->b_fab_mrs
, bufsize
));
4354 write_info
.bw_len
= MIN(b2write
, buf
->b_fab_mrs
);
4355 if (buf_write_bytes(&write_info
) == FAIL
)
4360 b2write
-= MIN(b2write
, buf
->b_fab_mrs
);
4362 write_info
.bw_len
= bufsize
;
4369 if (len
> 0 && end
> 0)
4371 write_info
.bw_len
= len
;
4372 if (buf_write_bytes(&write_info
) == FAIL
)
4373 end
= 0; /* write error */
4377 #if defined(UNIX) && defined(HAVE_FSYNC)
4378 /* On many journalling file systems there is a bug that causes both the
4379 * original and the backup file to be lost when halting the system right
4380 * after writing the file. That's because only the meta-data is
4381 * journalled. Syncing the file slows down the system, but assures it has
4382 * been written to disk and we don't lose it.
4383 * For a device do try the fsync() but don't complain if it does not work
4384 * (could be a pipe).
4385 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */
4386 if (p_fs
&& fsync(fd
) != 0 && !device
)
4388 errmsg
= (char_u
*)_("E667: Fsync failed");
4394 /* Probably need to set the security context. */
4396 mch_copy_sec(backup
, wfname
);
4400 /* When creating a new file, set its owner/group to that of the original
4401 * file. Get the new device and inode number. */
4402 if (backup
!= NULL
&& !backup_copy
)
4407 /* don't change the owner when it's already OK, some systems remove
4408 * permission or ACL stuff */
4409 if (mch_stat((char *)wfname
, &st
) < 0
4410 || st
.st_uid
!= st_old
.st_uid
4411 || st
.st_gid
!= st_old
.st_gid
)
4413 ignored
= fchown(fd
, st_old
.st_uid
, st_old
.st_gid
);
4414 if (perm
>= 0) /* set permission again, may have changed */
4415 (void)mch_setperm(wfname
, perm
);
4420 else if (!buf
->b_dev_valid
)
4421 /* Set the inode when creating a new file. */
4427 errmsg
= (char_u
*)_("E512: Close failed");
4433 perm
&= ~0200; /* reset 'w' bit for security reasons */
4435 if (perm
>= 0) /* set perm. of new file same as old file */
4436 (void)mch_setperm(wfname
, perm
);
4438 if (!append
&& !filtering
)
4439 /* Set the filetype after writing the file. */
4440 mch_set_filetype(wfname
, buf
->b_p_oft
);
4443 /* Probably need to set the ACL before changing the user (can't set the
4444 * ACL on a file the user doesn't own). */
4446 mch_set_acl(wfname
, acl
);
4450 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL)
4451 if (wfname
!= fname
)
4454 * The file was written to a temp file, now it needs to be converted
4455 * with 'charconvert' to (overwrite) the output file.
4459 if (eval_charconvert(enc_utf8
? (char_u
*)"utf-8" : p_enc
, fenc
,
4460 wfname
, fname
) == FAIL
)
4462 write_info
.bw_conv_error
= TRUE
;
4476 if (write_info
.bw_conv_error
)
4477 errmsg
= (char_u
*)_("E513: write error, conversion failed (make 'fenc' empty to override)");
4481 errmsg
= (char_u
*)_(e_interr
);
4483 errmsg
= (char_u
*)_("E514: write error (file system full?)");
4487 * If we have a backup file, try to put it in place of the new file,
4488 * because the new file is probably corrupt. This avoids losing the
4489 * original file when trying to make a backup when writing the file a
4491 * When "backup_copy" is set we need to copy the backup over the new
4492 * file. Otherwise rename the backup file.
4493 * If this is OK, don't give the extra warning message.
4499 /* This may take a while, if we were interrupted let the user
4500 * know we got the message. */
4506 if ((fd
= mch_open((char *)backup
, O_RDONLY
| O_EXTRA
, 0)) >= 0)
4508 if ((write_info
.bw_fd
= mch_open((char *)fname
,
4509 O_WRONLY
| O_CREAT
| O_TRUNC
| O_EXTRA
,
4512 /* copy the file. */
4513 write_info
.bw_buf
= smallbuf
;
4515 write_info
.bw_flags
= FIO_NOCONVERT
;
4517 while ((write_info
.bw_len
= vim_read(fd
, smallbuf
,
4519 if (buf_write_bytes(&write_info
) == FAIL
)
4522 if (close(write_info
.bw_fd
) >= 0
4523 && write_info
.bw_len
== 0)
4524 end
= 1; /* success */
4526 close(fd
); /* ignore errors for closing read file */
4531 if (vim_rename(backup
, fname
) == 0)
4538 lnum
-= start
; /* compute number of written lines */
4539 --no_wait_return
; /* may wait for return now */
4541 #if !(defined(UNIX) || defined(VMS))
4542 fname
= sfname
; /* use shortname now, for the messages */
4546 msg_add_fname(buf
, fname
); /* put fname in IObuff with quotes */
4549 if (write_info
.bw_conv_error
)
4551 STRCAT(IObuff
, _(" CONVERSION ERROR"));
4554 else if (notconverted
)
4556 STRCAT(IObuff
, _("[NOT converted]"));
4561 STRCAT(IObuff
, _("[converted]"));
4567 STRCAT(IObuff
, _("[Device]"));
4572 STRCAT(IObuff
, shortmess(SHM_NEW
) ? _("[New]") : _("[New File]"));
4580 /* may add [unix/dos/mac] */
4581 if (msg_add_fileformat(fileformat
))
4584 if (wb_flags
& FIO_ENCRYPTED
)
4586 STRCAT(IObuff
, _("[crypted]"));
4590 msg_add_lines(c
, (long)lnum
, nchars
); /* add line/char count */
4591 if (!shortmess(SHM_WRITE
))
4594 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [a]") : _(" appended"));
4596 STRCAT(IObuff
, shortmess(SHM_WRI
) ? _(" [w]") : _(" written"));
4599 set_keep_msg(msg_trunc_attr(IObuff
, FALSE
, 0), 0);
4602 /* When written everything correctly: reset 'modified'. Unless not
4603 * writing to the original file and '+' is not in 'cpoptions'. */
4604 if (reset_changed
&& whole
&& !append
4606 && !write_info
.bw_conv_error
4608 && (overwriting
|| vim_strchr(p_cpo
, CPO_PLUS
) != NULL
)
4611 unchanged(buf
, TRUE
);
4616 * If written to the current file, update the timestamp of the swap file
4617 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
4623 buf
->b_flags
&= ~BF_NEW
;
4625 buf
->b_flags
&= ~BF_WRITE_MASK
;
4629 * If we kept a backup until now, and we are in patch mode, then we make
4630 * the backup file our 'original' file.
4632 if (*p_pm
&& dobackup
)
4634 char *org
= (char *)buf_modname(
4638 (buf
->b_p_sn
|| buf
->b_shortname
),
4640 fname
, p_pm
, FALSE
);
4647 * If the original file does not exist yet
4648 * the current backup file becomes the original file
4651 EMSG(_("E205: Patchmode: can't save original file"));
4652 else if (mch_stat(org
, &st
) < 0)
4654 vim_rename(backup
, (char_u
*)org
);
4655 vim_free(backup
); /* don't delete the file */
4658 set_file_time((char_u
*)org
, st_old
.st_atime
, st_old
.st_mtime
);
4663 * If there is no backup file, remember that a (new) file was
4671 || (empty_fd
= mch_open(org
,
4672 O_CREAT
| O_EXTRA
| O_EXCL
| O_NOFOLLOW
,
4673 perm
< 0 ? 0666 : (perm
& 0777))) < 0)
4674 EMSG(_("E206: patchmode: can't touch empty original file"));
4680 mch_setperm((char_u
*)org
, mch_getperm(fname
) & 0777);
4686 * Remove the backup unless 'backup' option is set
4688 if (!p_bk
&& backup
!= NULL
&& mch_remove(backup
) != 0)
4689 EMSG(_("E207: Can't delete backup file"));
4691 #ifdef FEAT_SUN_WORKSHOP
4692 if (usingSunWorkShop
)
4693 workshop_file_saved((char *) ffname
);
4699 * Finish up. We get here either after failure or success.
4702 --no_wait_return
; /* may wait for return now */
4705 /* Done saving, we accept changed buffer warnings again */
4706 buf
->b_saving
= FALSE
;
4709 if (buffer
!= smallbuf
)
4712 vim_free(fenc_tofree
);
4713 vim_free(write_info
.bw_conv_buf
);
4715 if (write_info
.bw_iconv_fd
!= (iconv_t
)-1)
4717 iconv_close(write_info
.bw_iconv_fd
);
4718 write_info
.bw_iconv_fd
= (iconv_t
)-1;
4728 int numlen
= errnum
!= NULL
? (int)STRLEN(errnum
) : 0;
4730 attr
= hl_attr(HLF_E
); /* set highlight for error messages */
4737 ); /* put file name in IObuff with quotes */
4738 if (STRLEN(IObuff
) + STRLEN(errmsg
) + numlen
>= IOSIZE
)
4739 IObuff
[IOSIZE
- STRLEN(errmsg
) - numlen
- 1] = NUL
;
4740 /* If the error message has the form "is ...", put the error number in
4741 * front of the file name. */
4744 STRMOVE(IObuff
+ numlen
, IObuff
);
4745 mch_memmove(IObuff
, errnum
, (size_t)numlen
);
4747 STRCAT(IObuff
, errmsg
);
4753 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
4755 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"),
4758 /* Update the timestamp to avoid an "overwrite changed file"
4759 * prompt when writing again. */
4760 if (mch_stat((char *)fname
, &st_old
) >= 0)
4762 buf_store_time(buf
, &st_old
, fname
);
4763 buf
->b_mtime_read
= buf
->b_mtime
;
4767 msg_scroll
= msg_save
;
4771 if (!should_abort(retval
))
4778 write_no_eol_lnum
= 0; /* in case it was set by the previous read */
4781 * Apply POST autocommands.
4782 * Careful: The autocommands may call buf_write() recursively!
4784 aucmd_prepbuf(&aco
, buf
);
4787 apply_autocmds_exarg(EVENT_FILEAPPENDPOST
, fname
, fname
,
4788 FALSE
, curbuf
, eap
);
4790 apply_autocmds_exarg(EVENT_FILTERWRITEPOST
, NULL
, fname
,
4791 FALSE
, curbuf
, eap
);
4792 else if (reset_changed
&& whole
)
4793 apply_autocmds_exarg(EVENT_BUFWRITEPOST
, fname
, fname
,
4794 FALSE
, curbuf
, eap
);
4796 apply_autocmds_exarg(EVENT_FILEWRITEPOST
, fname
, fname
,
4797 FALSE
, curbuf
, eap
);
4799 /* restore curwin/curbuf and a few other things */
4800 aucmd_restbuf(&aco
);
4803 if (aborting()) /* autocmds may abort script processing */
4809 got_int
|= prev_got_int
;
4811 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
4812 /* Update machine specific information. */
4813 mch_post_buffer_write(buf
);
4819 * Set the name of the current buffer. Use when the buffer doesn't have a
4820 * name and a ":r" or ":w" command with a file name is used.
4823 set_rw_fname(fname
, sfname
)
4828 buf_T
*buf
= curbuf
;
4830 /* It's like the unnamed buffer is deleted.... */
4832 apply_autocmds(EVENT_BUFDELETE
, NULL
, NULL
, FALSE
, curbuf
);
4833 apply_autocmds(EVENT_BUFWIPEOUT
, NULL
, NULL
, FALSE
, curbuf
);
4835 if (aborting()) /* autocmds may abort script processing */
4840 /* We are in another buffer now, don't do the renaming. */
4841 EMSG(_(e_auchangedbuf
));
4846 if (setfname(curbuf
, fname
, sfname
, FALSE
) == OK
)
4847 curbuf
->b_flags
|= BF_NOTEDITED
;
4850 /* ....and a new named one is created */
4851 apply_autocmds(EVENT_BUFNEW
, NULL
, NULL
, FALSE
, curbuf
);
4853 apply_autocmds(EVENT_BUFADD
, NULL
, NULL
, FALSE
, curbuf
);
4855 if (aborting()) /* autocmds may abort script processing */
4859 /* Do filetype detection now if 'filetype' is empty. */
4860 if (*curbuf
->b_p_ft
== NUL
)
4862 if (au_has_group((char_u
*)"filetypedetect"))
4863 (void)do_doautocmd((char_u
*)"filetypedetect BufRead", FALSE
);
4872 * Put file name into IObuff with quotes.
4875 msg_add_fname(buf
, fname
)
4880 fname
= (char_u
*)"-stdin-";
4881 home_replace(buf
, fname
, IObuff
+ 1, IOSIZE
- 4, TRUE
);
4883 STRCAT(IObuff
, "\" ");
4887 * Append message for text mode to IObuff.
4888 * Return TRUE if something appended.
4891 msg_add_fileformat(eol_type
)
4895 if (eol_type
== EOL_DOS
)
4897 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[dos]") : _("[dos format]"));
4902 if (eol_type
== EOL_MAC
)
4904 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[mac]") : _("[mac format]"));
4908 #if defined(USE_CRNL) || defined(USE_CR)
4909 if (eol_type
== EOL_UNIX
)
4911 STRCAT(IObuff
, shortmess(SHM_TEXT
) ? _("[unix]") : _("[unix format]"));
4919 * Append line and character count to IObuff.
4922 msg_add_lines(insert_space
, lnum
, nchars
)
4929 p
= IObuff
+ STRLEN(IObuff
);
4933 if (shortmess(SHM_LINES
))
4934 sprintf((char *)p
, "%ldL, %ldC", lnum
, nchars
);
4938 STRCPY(p
, _("1 line, "));
4940 sprintf((char *)p
, _("%ld lines, "), lnum
);
4943 STRCPY(p
, _("1 character"));
4945 sprintf((char *)p
, _("%ld characters"), nchars
);
4950 * Append message for missing line separator to IObuff.
4955 STRCAT(IObuff
, shortmess(SHM_LAST
) ? _("[noeol]") : _("[Incomplete last line]"));
4959 * Check modification time of file, before writing to it.
4960 * The size isn't checked, because using a tool like "gzip" takes care of
4961 * using the same timestamp but can't set the size.
4964 check_mtime(buf
, st
)
4968 if (buf
->b_mtime_read
!= 0
4969 && time_differs((long)st
->st_mtime
, buf
->b_mtime_read
))
4971 msg_scroll
= TRUE
; /* don't overwrite messages here */
4972 msg_silent
= 0; /* must give this prompt */
4973 /* don't use emsg() here, don't want to flush the buffers */
4974 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"),
4976 if (ask_yesno((char_u
*)_("Do you really want to write to it"),
4979 msg_scroll
= FALSE
; /* always overwrite the file message now */
4985 time_differs(t1
, t2
)
4988 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN)
4989 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
4990 * the seconds. Since the roundoff is done when flushing the inode, the
4991 * time may change unexpectedly by one second!!! */
4992 return (t1
- t2
> 1 || t2
- t1
> 1);
4999 * Call write() to write a number of bytes to the file.
5000 * Also handles encryption and 'encoding' conversion.
5002 * Return FAIL for failure, OK otherwise.
5009 char_u
*buf
= ip
->bw_buf
; /* data to write */
5010 int len
= ip
->bw_len
; /* length of data */
5012 int flags
= ip
->bw_flags
; /* extra flags */
5017 * Skip conversion when writing the crypt magic number or the BOM.
5019 if (!(flags
& FIO_NOCONVERT
))
5025 if (flags
& FIO_UTF8
)
5028 * Convert latin1 in the buffer to UTF-8 in the file.
5030 p
= ip
->bw_conv_buf
; /* translate to buffer */
5031 for (wlen
= 0; wlen
< len
; ++wlen
)
5032 p
+= utf_char2bytes(buf
[wlen
], p
);
5033 buf
= ip
->bw_conv_buf
;
5034 len
= (int)(p
- ip
->bw_conv_buf
);
5036 else if (flags
& (FIO_UCS4
| FIO_UTF16
| FIO_UCS2
| FIO_LATIN1
))
5039 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
5040 * Latin1 chars in the file.
5042 if (flags
& FIO_LATIN1
)
5043 p
= buf
; /* translate in-place (can only get shorter) */
5045 p
= ip
->bw_conv_buf
; /* translate to buffer */
5046 for (wlen
= 0; wlen
< len
; wlen
+= n
)
5048 if (wlen
== 0 && ip
->bw_restlen
!= 0)
5052 /* Use remainder of previous call. Append the start of
5053 * buf[] to get a full sequence. Might still be too
5055 l
= CONV_RESTLEN
- ip
->bw_restlen
;
5058 mch_memmove(ip
->bw_rest
+ ip
->bw_restlen
, buf
, (size_t)l
);
5059 n
= utf_ptr2len_len(ip
->bw_rest
, ip
->bw_restlen
+ l
);
5060 if (n
> ip
->bw_restlen
+ len
)
5062 /* We have an incomplete byte sequence at the end to
5063 * be written. We can't convert it without the
5064 * remaining bytes. Keep them for the next call. */
5065 if (ip
->bw_restlen
+ len
> CONV_RESTLEN
)
5067 ip
->bw_restlen
+= len
;
5071 c
= utf_ptr2char(ip
->bw_rest
);
5074 if (n
>= ip
->bw_restlen
)
5076 n
-= ip
->bw_restlen
;
5081 ip
->bw_restlen
-= n
;
5082 mch_memmove(ip
->bw_rest
, ip
->bw_rest
+ n
,
5083 (size_t)ip
->bw_restlen
);
5089 n
= utf_ptr2len_len(buf
+ wlen
, len
- wlen
);
5092 /* We have an incomplete byte sequence at the end to
5093 * be written. We can't convert it without the
5094 * remaining bytes. Keep them for the next call. */
5095 if (len
- wlen
> CONV_RESTLEN
)
5097 ip
->bw_restlen
= len
- wlen
;
5098 mch_memmove(ip
->bw_rest
, buf
+ wlen
,
5099 (size_t)ip
->bw_restlen
);
5103 c
= utf_ptr2char(buf
+ wlen
);
5108 ip
->bw_conv_error
|= ucs2bytes(c
, &p
, flags
);
5110 if (flags
& FIO_LATIN1
)
5111 len
= (int)(p
- buf
);
5114 buf
= ip
->bw_conv_buf
;
5115 len
= (int)(p
- ip
->bw_conv_buf
);
5120 else if (flags
& FIO_CODEPAGE
)
5123 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
5133 if (ip
->bw_restlen
> 0)
5135 /* Need to concatenate the remainder of the previous call and
5136 * the bytes of the current call. Use the end of the
5137 * conversion buffer for this. */
5138 fromlen
= len
+ ip
->bw_restlen
;
5139 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5140 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5141 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5149 to
= ip
->bw_conv_buf
;
5152 /* Convert from UTF-8 to UCS-2, to the start of the buffer.
5153 * The buffer has been allocated to be big enough. */
5156 n
= (int)utf_ptr2len_len(from
, (int)fromlen
);
5157 if (n
> (int)fromlen
) /* incomplete byte sequence */
5159 u8c
= utf_ptr2char(from
);
5160 *to
++ = (u8c
& 0xff);
5166 /* Copy remainder to ip->bw_rest[] to be used for the next
5168 if (fromlen
> CONV_RESTLEN
)
5170 /* weird overlong sequence */
5171 ip
->bw_conv_error
= TRUE
;
5174 mch_memmove(ip
->bw_rest
, from
, fromlen
);
5175 ip
->bw_restlen
= (int)fromlen
;
5179 /* Convert from enc_codepage to UCS-2, to the start of the
5180 * buffer. The buffer has been allocated to be big enough. */
5182 needed
= MultiByteToWideChar(enc_codepage
,
5183 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
,
5187 /* When conversion fails there may be a trailing byte. */
5188 needed
= MultiByteToWideChar(enc_codepage
,
5189 MB_ERR_INVALID_CHARS
, (LPCSTR
)from
, (int)fromlen
- 1,
5193 /* Conversion doesn't work. */
5194 ip
->bw_conv_error
= TRUE
;
5197 /* Save the trailing byte for the next call. */
5198 ip
->bw_rest
[0] = from
[fromlen
- 1];
5201 needed
= MultiByteToWideChar(enc_codepage
, MB_ERR_INVALID_CHARS
,
5202 (LPCSTR
)from
, (int)(fromlen
- ip
->bw_restlen
),
5203 (LPWSTR
)to
, needed
);
5206 /* Safety check: Conversion doesn't work. */
5207 ip
->bw_conv_error
= TRUE
;
5213 fromlen
= to
- ip
->bw_conv_buf
;
5215 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5216 if (FIO_GET_CP(flags
) == CP_UTF8
)
5218 /* Convert from UCS-2 to UTF-8, using the remainder of the
5219 * conversion buffer. Fails when out of space. */
5220 for (from
= ip
->bw_conv_buf
; fromlen
> 1; fromlen
-= 2)
5223 u8c
+= (*from
++ << 8);
5224 to
+= utf_char2bytes(u8c
, to
);
5225 if (to
+ 6 >= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
)
5227 ip
->bw_conv_error
= TRUE
;
5231 len
= (int)(to
- buf
);
5236 /* Convert from UCS-2 to the codepage, using the remainder of
5237 * the conversion buffer. If the conversion uses the default
5238 * character "0", the data doesn't fit in this encoding, so
5240 len
= WideCharToMultiByte(FIO_GET_CP(flags
), 0,
5241 (LPCWSTR
)ip
->bw_conv_buf
, (int)fromlen
/ sizeof(WCHAR
),
5242 (LPSTR
)to
, (int)(ip
->bw_conv_buflen
- fromlen
), 0,
5246 ip
->bw_conv_error
= TRUE
;
5253 # ifdef MACOS_CONVERT
5254 else if (flags
& FIO_MACROMAN
)
5257 * Convert UTF-8 or latin1 to Apple MacRoman.
5262 if (ip
->bw_restlen
> 0)
5264 /* Need to concatenate the remainder of the previous call and
5265 * the bytes of the current call. Use the end of the
5266 * conversion buffer for this. */
5267 fromlen
= len
+ ip
->bw_restlen
;
5268 from
= ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5269 mch_memmove(from
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5270 mch_memmove(from
+ ip
->bw_restlen
, buf
, (size_t)len
);
5278 if (enc2macroman(from
, fromlen
,
5279 ip
->bw_conv_buf
, &len
, ip
->bw_conv_buflen
,
5280 ip
->bw_rest
, &ip
->bw_restlen
) == FAIL
)
5282 ip
->bw_conv_error
= TRUE
;
5285 buf
= ip
->bw_conv_buf
;
5290 if (ip
->bw_iconv_fd
!= (iconv_t
)-1)
5297 /* Convert with iconv(). */
5298 if (ip
->bw_restlen
> 0)
5302 /* Need to concatenate the remainder of the previous call and
5303 * the bytes of the current call. Use the end of the
5304 * conversion buffer for this. */
5305 fromlen
= len
+ ip
->bw_restlen
;
5306 fp
= (char *)ip
->bw_conv_buf
+ ip
->bw_conv_buflen
- fromlen
;
5307 mch_memmove(fp
, ip
->bw_rest
, (size_t)ip
->bw_restlen
);
5308 mch_memmove(fp
+ ip
->bw_restlen
, buf
, (size_t)len
);
5310 tolen
= ip
->bw_conv_buflen
- fromlen
;
5314 from
= (const char *)buf
;
5316 tolen
= ip
->bw_conv_buflen
;
5318 to
= (char *)ip
->bw_conv_buf
;
5322 size_t save_len
= tolen
;
5324 /* output the initial shift state sequence */
5325 (void)iconv(ip
->bw_iconv_fd
, NULL
, NULL
, &to
, &tolen
);
5327 /* There is a bug in iconv() on Linux (which appears to be
5328 * wide-spread) which sets "to" to NULL and messes up "tolen".
5332 to
= (char *)ip
->bw_conv_buf
;
5335 ip
->bw_first
= FALSE
;
5339 * If iconv() has an error or there is not enough room, fail.
5341 if ((iconv(ip
->bw_iconv_fd
, (void *)&from
, &fromlen
, &to
, &tolen
)
5342 == (size_t)-1 && ICONV_ERRNO
!= ICONV_EINVAL
)
5343 || fromlen
> CONV_RESTLEN
)
5345 ip
->bw_conv_error
= TRUE
;
5349 /* copy remainder to ip->bw_rest[] to be used for the next call. */
5351 mch_memmove(ip
->bw_rest
, (void *)from
, fromlen
);
5352 ip
->bw_restlen
= (int)fromlen
;
5354 buf
= ip
->bw_conv_buf
;
5355 len
= (int)((char_u
*)to
- ip
->bw_conv_buf
);
5359 #endif /* FEAT_MBYTE */
5362 if (flags
& FIO_ENCRYPTED
) /* encrypt the data */
5366 for (i
= 0; i
< len
; i
++)
5369 buf
[i
] = ZENCODE(ztemp
, t
);
5374 /* Repeat the write(), it may be interrupted by a signal. */
5377 wlen
= vim_write(ip
->bw_fd
, buf
, len
);
5378 if (wlen
<= 0) /* error! */
5388 * Convert a Unicode character to bytes.
5391 ucs2bytes(c
, pp
, flags
)
5392 unsigned c
; /* in: character */
5393 char_u
**pp
; /* in/out: pointer to result */
5394 int flags
; /* FIO_ flags */
5401 if (flags
& FIO_UCS4
)
5403 if (flags
& FIO_ENDIAN_L
)
5418 else if (flags
& (FIO_UCS2
| FIO_UTF16
))
5422 if (flags
& FIO_UTF16
)
5424 /* Make two words, ten bits of the character in each. First
5425 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */
5429 cc
= ((c
>> 10) & 0x3ff) + 0xd800;
5430 if (flags
& FIO_ENDIAN_L
)
5433 *p
++ = ((unsigned)cc
>> 8);
5437 *p
++ = ((unsigned)cc
>> 8);
5440 c
= (c
& 0x3ff) + 0xdc00;
5445 if (flags
& FIO_ENDIAN_L
)
5472 * Return TRUE if "a" and "b" are the same 'encoding'.
5473 * Ignores difference between "ansi" and "latin1", "ucs-4" and "ucs-4be", etc.
5482 if (STRCMP(a
, b
) == 0)
5484 f
= get_fio_flags(a
);
5485 return (f
!= 0 && get_fio_flags(b
) == f
);
5489 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the
5490 * internal conversion.
5491 * if "ptr" is an empty string, use 'encoding'.
5502 prop
= enc_canon_props(ptr
);
5503 if (prop
& ENC_UNICODE
)
5505 if (prop
& ENC_2BYTE
)
5507 if (prop
& ENC_ENDIAN_L
)
5508 return FIO_UCS2
| FIO_ENDIAN_L
;
5511 if (prop
& ENC_4BYTE
)
5513 if (prop
& ENC_ENDIAN_L
)
5514 return FIO_UCS4
| FIO_ENDIAN_L
;
5517 if (prop
& ENC_2WORD
)
5519 if (prop
& ENC_ENDIAN_L
)
5520 return FIO_UTF16
| FIO_ENDIAN_L
;
5525 if (prop
& ENC_LATIN1
)
5527 /* must be ENC_DBCS, requires iconv() */
5533 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed
5534 * for the conversion MS-Windows can do for us. Also accept "utf-8".
5535 * Used for conversion between 'encoding' and 'fileencoding'.
5538 get_win_fio_flags(ptr
)
5543 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */
5544 if (!enc_utf8
&& enc_codepage
<= 0)
5547 cp
= encname2codepage(ptr
);
5550 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
5551 if (STRCMP(ptr
, "utf-8") == 0)
5557 return FIO_PUT_CP(cp
) | FIO_CODEPAGE
;
5563 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags
5564 * needed for the internal conversion to/from utf-8 or latin1.
5567 get_mac_fio_flags(ptr
)
5570 if ((enc_utf8
|| STRCMP(p_enc
, "latin1") == 0)
5571 && (enc_canon_props(ptr
) & ENC_MACROMAN
))
5572 return FIO_MACROMAN
;
5578 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size].
5579 * "size" must be at least 2.
5580 * Return the name of the encoding and set "*lenp" to the length.
5581 * Returns NULL when no BOM found.
5584 check_for_bom(p
, size
, lenp
, flags
)
5593 if (p
[0] == 0xef && p
[1] == 0xbb && size
>= 3 && p
[2] == 0xbf
5594 && (flags
== FIO_ALL
|| flags
== FIO_UTF8
|| flags
== 0))
5596 name
= "utf-8"; /* EF BB BF */
5599 else if (p
[0] == 0xff && p
[1] == 0xfe)
5601 if (size
>= 4 && p
[2] == 0 && p
[3] == 0
5602 && (flags
== FIO_ALL
|| flags
== (FIO_UCS4
| FIO_ENDIAN_L
)))
5604 name
= "ucs-4le"; /* FF FE 00 00 */
5607 else if (flags
== (FIO_UCS2
| FIO_ENDIAN_L
))
5608 name
= "ucs-2le"; /* FF FE */
5609 else if (flags
== FIO_ALL
|| flags
== (FIO_UTF16
| FIO_ENDIAN_L
))
5610 /* utf-16le is preferred, it also works for ucs-2le text */
5611 name
= "utf-16le"; /* FF FE */
5613 else if (p
[0] == 0xfe && p
[1] == 0xff
5614 && (flags
== FIO_ALL
|| flags
== FIO_UCS2
|| flags
== FIO_UTF16
))
5616 /* Default to utf-16, it works also for ucs-2 text. */
5617 if (flags
== FIO_UCS2
)
5618 name
= "ucs-2"; /* FE FF */
5620 name
= "utf-16"; /* FE FF */
5622 else if (size
>= 4 && p
[0] == 0 && p
[1] == 0 && p
[2] == 0xfe
5623 && p
[3] == 0xff && (flags
== FIO_ALL
|| flags
== FIO_UCS4
))
5625 name
= "ucs-4"; /* 00 00 FE FF */
5630 return (char_u
*)name
;
5634 * Generate a BOM in "buf[4]" for encoding "name".
5635 * Return the length of the BOM (zero when no BOM).
5645 flags
= get_fio_flags(name
);
5647 /* Can't put a BOM in a non-Unicode file. */
5648 if (flags
== FIO_LATIN1
|| flags
== 0)
5651 if (flags
== FIO_UTF8
) /* UTF-8 */
5659 (void)ucs2bytes(0xfeff, &p
, flags
);
5660 return (int)(p
- buf
);
5664 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \
5665 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO)
5667 * Try to find a shortname by comparing the fullname with the current
5669 * Returns "full_path" or pointer into "full_path" if shortened.
5672 shorten_fname1(full_path
)
5675 char_u dirname
[MAXPATHL
];
5676 char_u
*p
= full_path
;
5678 if (mch_dirname(dirname
, MAXPATHL
) == OK
)
5680 p
= shorten_fname(full_path
, dirname
);
5681 if (p
== NULL
|| *p
== NUL
)
5689 * Try to find a shortname by comparing the fullname with the current
5691 * Returns NULL if not shorter name possible, pointer into "full_path"
5695 shorten_fname(full_path
, dir_name
)
5702 if (full_path
== NULL
)
5704 len
= (int)STRLEN(dir_name
);
5705 if (fnamencmp(dir_name
, full_path
, len
) == 0)
5707 p
= full_path
+ len
;
5708 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5710 * MSDOS: when a file is in the root directory, dir_name will end in a
5711 * slash, since C: by itself does not define a specific dir. In this
5712 * case p may already be correct. <negri>
5714 if (!((len
> 2) && (*(p
- 2) == ':')))
5717 if (vim_ispathsep(*p
))
5719 #ifndef VMS /* the path separator is always part of the path */
5725 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
5727 * When using a file in the current drive, remove the drive name:
5728 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on
5729 * a floppy from "A:\dir" to "B:\dir".
5732 && TOUPPER_LOC(full_path
[0]) == TOUPPER_LOC(dir_name
[0])
5733 && full_path
[1] == ':'
5734 && vim_ispathsep(full_path
[2]))
5743 * Shorten filenames for all buffers.
5744 * When "force" is TRUE: Use full path from now on for files currently being
5745 * edited, both for file name and swap file name. Try to shorten the file
5746 * names a bit, if safe to do so.
5747 * When "force" is FALSE: Only try to shorten absolute file names.
5748 * For buffers that have buftype "nofile" or "scratch": never change the file
5752 shorten_fnames(force
)
5755 char_u dirname
[MAXPATHL
];
5759 mch_dirname(dirname
, MAXPATHL
);
5760 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
5762 if (buf
->b_fname
!= NULL
5763 #ifdef FEAT_QUICKFIX
5766 && !path_with_url(buf
->b_fname
)
5768 || buf
->b_sfname
== NULL
5769 || mch_isFullName(buf
->b_sfname
)))
5771 vim_free(buf
->b_sfname
);
5772 buf
->b_sfname
= NULL
;
5773 p
= shorten_fname(buf
->b_ffname
, dirname
);
5776 buf
->b_sfname
= vim_strsave(p
);
5777 buf
->b_fname
= buf
->b_sfname
;
5779 if (p
== NULL
|| buf
->b_fname
== NULL
)
5780 buf
->b_fname
= buf
->b_ffname
;
5783 /* Always make the swap file name a full path, a "nofile" buffer may
5784 * also have a swap file. */
5785 mf_fullname(buf
->b_ml
.ml_mfp
);
5788 status_redraw_all();
5789 redraw_tabline
= TRUE
;
5793 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
5794 || defined(FEAT_GUI_MSWIN) \
5795 || defined(FEAT_GUI_MAC) \
5798 * Shorten all filenames in "fnames[count]" by current directory.
5801 shorten_filenames(fnames
, count
)
5806 char_u dirname
[MAXPATHL
];
5809 if (fnames
== NULL
|| count
< 1)
5811 mch_dirname(dirname
, sizeof(dirname
));
5812 for (i
= 0; i
< count
; ++i
)
5814 if ((p
= shorten_fname(fnames
[i
], dirname
)) != NULL
)
5816 /* shorten_fname() returns pointer in given "fnames[i]". If free
5817 * "fnames[i]" first, "p" becomes invalid. So we need to copy
5818 * "p" first then free fnames[i]. */
5820 vim_free(fnames
[i
]);
5828 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or
5829 * fo_o_h.ext for MSDOS or when shortname option set.
5831 * Assumed that fname is a valid name found in the filesystem we assure that
5832 * the return value is a different name and ends in 'ext'.
5833 * "ext" MUST be at most 4 characters long if it starts with a dot, 3
5834 * characters otherwise.
5835 * Space for the returned name is allocated, must be freed later.
5836 * Returns NULL when out of memory.
5839 modname(fname
, ext
, prepend_dot
)
5840 char_u
*fname
, *ext
;
5841 int prepend_dot
; /* may prepend a '.' to file name */
5847 (curbuf
->b_p_sn
|| curbuf
->b_shortname
),
5849 fname
, ext
, prepend_dot
);
5853 buf_modname(shortname
, fname
, ext
, prepend_dot
)
5854 int shortname
; /* use 8.3 file name */
5855 char_u
*fname
, *ext
;
5856 int prepend_dot
; /* may prepend a '.' to file name */
5862 int fnamelen
, extlen
;
5864 extlen
= (int)STRLEN(ext
);
5867 * If there is no file name we must get the name of the current directory
5868 * (we need the full path in case :cd is used).
5870 if (fname
== NULL
|| *fname
== NUL
)
5872 retval
= alloc((unsigned)(MAXPATHL
+ extlen
+ 3));
5875 if (mch_dirname(retval
, MAXPATHL
) == FAIL
||
5876 (fnamelen
= (int)STRLEN(retval
)) == 0)
5881 if (!after_pathsep(retval
, retval
+ fnamelen
))
5883 retval
[fnamelen
++] = PATHSEP
;
5884 retval
[fnamelen
] = NUL
;
5887 prepend_dot
= FALSE
; /* nothing to prepend a dot to */
5892 fnamelen
= (int)STRLEN(fname
);
5893 retval
= alloc((unsigned)(fnamelen
+ extlen
+ 3));
5896 STRCPY(retval
, fname
);
5898 vms_remove_version(retval
); /* we do not need versions here */
5903 * search backwards until we hit a '/', '\' or ':' replacing all '.'
5904 * by '_' for MSDOS or when shortname option set and ext starts with a dot.
5905 * Then truncate what is after the '/', '\' or ':' to 8 characters for
5906 * MSDOS and 26 characters for AMIGA, a lot more for UNIX.
5908 for (ptr
= retval
+ fnamelen
; ptr
> retval
; mb_ptr_back(retval
, ptr
))
5912 # ifdef USE_LONG_FNAME
5913 && (!USE_LONG_FNAME
|| shortname
)
5915 # ifndef SHORT_FNAME
5920 if (*ptr
== '.') /* replace '.' by '_' */
5923 if (vim_ispathsep(*ptr
))
5930 /* the file name has at most BASENAMELEN characters. */
5932 if (STRLEN(ptr
) > (unsigned)BASENAMELEN
)
5933 ptr
[BASENAMELEN
] = '\0';
5936 s
= ptr
+ STRLEN(ptr
);
5939 * For 8.3 file names we may have to reduce the length.
5941 #ifdef USE_LONG_FNAME
5942 if (!USE_LONG_FNAME
|| shortname
)
5944 # ifndef SHORT_FNAME
5950 * If there is no file name, or the file name ends in '/', and the
5951 * extension starts with '.', put a '_' before the dot, because just
5952 * ".ext" is invalid.
5954 if (fname
== NULL
|| *fname
== NUL
5955 || vim_ispathsep(fname
[STRLEN(fname
) - 1]))
5965 * If the extension starts with '.', truncate the base name at 8
5969 /* We normally use '/', but swap files are '_' */
5970 else if (*ext
== '/' || *ext
== '_')
5972 else if (*ext
== '.')
5975 if ((size_t)(s
- ptr
) > (size_t)8)
5982 * If the extension doesn't start with '.', and the file name
5983 * doesn't have an extension yet, append a '.'
5986 else if ((e
= vim_strchr(ptr
, '/')) == NULL
)
5989 else if ((e
= vim_strchr(ptr
, '.')) == NULL
)
5993 * If the extension doesn't start with '.', and there already is an
5994 * extension, it may need to be truncated
5996 else if ((int)STRLEN(e
) + extlen
> 4)
5999 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264)
6001 * If there is no file name, and the extension starts with '.', put a
6002 * '_' before the dot, because just ".ext" may be invalid if it's on a
6003 * FAT partition, and on HPFS it doesn't matter.
6005 else if ((fname
== NULL
|| *fname
== NUL
) && *ext
== '.')
6010 * Append the extension.
6011 * ext can start with '.' and cannot exceed 3 more characters.
6019 if (prepend_dot
&& !shortname
&& *(e
= gettail(retval
)) !=
6025 #ifdef USE_LONG_FNAME
6040 * Check that, after appending the extension, the file name is really
6043 if (fname
!= NULL
&& STRCMP(fname
, retval
) == 0)
6045 /* we search for a character that can be replaced by '_' */
6054 if (s
< ptr
) /* fname was "________.<ext>", how tricky! */
6061 * Like fgets(), but if the file line is too long, it is truncated and the
6062 * rest of the line is thrown away. Returns TRUE for end-of-file.
6065 vim_fgets(buf
, size
, fp
)
6071 #define FGETS_SIZE 200
6072 char tbuf
[FGETS_SIZE
];
6074 buf
[size
- 2] = NUL
;
6076 eof
= fgets_cr((char *)buf
, size
, fp
);
6078 eof
= fgets((char *)buf
, size
, fp
);
6080 if (buf
[size
- 2] != NUL
&& buf
[size
- 2] != '\n')
6082 buf
[size
- 1] = NUL
; /* Truncate the line */
6084 /* Now throw away the rest of the line: */
6087 tbuf
[FGETS_SIZE
- 2] = NUL
;
6089 ignoredp
= fgets_cr((char *)tbuf
, FGETS_SIZE
, fp
);
6091 ignoredp
= fgets((char *)tbuf
, FGETS_SIZE
, fp
);
6093 } while (tbuf
[FGETS_SIZE
- 2] != NUL
&& tbuf
[FGETS_SIZE
- 2] != '\n');
6095 return (eof
== NULL
);
6098 #if defined(USE_CR) || defined(PROTO)
6100 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF.
6101 * Returns TRUE for end-of-file.
6102 * Only used for the Mac, because it's much slower than vim_fgets().
6105 tag_fgets(buf
, size
, fp
)
6124 /* Always store a NL for end-of-line. */
6128 if (c
!= '\n') /* Macintosh format: single CR. */
6143 * rename() only works if both files are on the same file system, this
6144 * function will (attempts to?) copy the file across if rename fails -- webb
6145 * Return -1 for failure, 0 for success.
6148 vim_rename(from
, to
)
6155 char *errmsg
= NULL
;
6163 vim_acl_T acl
; /* ACL from original file */
6165 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6166 int use_tmp_file
= FALSE
;
6170 * When the names are identical, there is nothing to do. When they refer
6171 * to the same file (ignoring case and slash/backslash differences) but
6172 * the file name differs we need to go through a temp file.
6174 if (fnamecmp(from
, to
) == 0)
6176 #ifdef CASE_INSENSITIVE_FILENAME
6177 if (STRCMP(gettail(from
), gettail(to
)) != 0)
6178 use_tmp_file
= TRUE
;
6185 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
6187 if (mch_stat((char *)from
, &st
) < 0)
6194 /* It's possible for the source and destination to be the same file.
6195 * This happens when "from" and "to" differ in case and are on a FAT32
6196 * filesystem. In that case go through a temp file name. */
6197 if (mch_stat((char *)to
, &st_to
) >= 0
6198 && st
.st_dev
== st_to
.st_dev
6199 && st
.st_ino
== st_to
.st_ino
)
6200 use_tmp_file
= TRUE
;
6204 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME)
6207 char tempname
[MAXPATHL
+ 1];
6210 * Find a name that doesn't exist and is in the same directory.
6211 * Rename "from" to "tempname" and then rename "tempname" to "to".
6213 if (STRLEN(from
) >= MAXPATHL
- 5)
6215 STRCPY(tempname
, from
);
6216 for (n
= 123; n
< 99999; ++n
)
6218 sprintf((char *)gettail((char_u
*)tempname
), "%d", n
);
6219 if (mch_stat(tempname
, &st
) < 0)
6221 if (mch_rename((char *)from
, tempname
) == 0)
6223 if (mch_rename(tempname
, (char *)to
) == 0)
6225 /* Strange, the second step failed. Try moving the
6226 * file back and return failure. */
6227 mch_rename(tempname
, (char *)from
);
6230 /* If it fails for one temp name it will most likely fail
6231 * for any temp name, give up. */
6240 * Delete the "to" file, this is required on some systems to make the
6241 * mch_rename() work, on other systems it makes sure that we don't have
6242 * two files when the mch_rename() fails.
6247 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible
6248 * that the name of the "to" file is the same as the "from" file, even
6249 * though the names are different. To avoid the chance of accidentally
6250 * deleting the "from" file (horror!) we lock it during the remove.
6252 * When used for making a backup before writing the file: This should not
6253 * happen with ":w", because startscript() should detect this problem and
6254 * set buf->b_shortname, causing modname() to return a correct ".bak" file
6255 * name. This problem does exist with ":w filename", but then the
6256 * original file will be somewhere else so the backup isn't really
6257 * important. If autoscripting is off the rename may fail.
6259 flock
= Lock((UBYTE
*)from
, (long)ACCESS_READ
);
6268 * First try a normal rename, return if it works.
6270 if (mch_rename((char *)from
, (char *)to
) == 0)
6274 * Rename() failed, try copying the file.
6276 perm
= mch_getperm(from
);
6278 /* For systems that support ACL: get the ACL from the original file. */
6279 acl
= mch_get_acl(from
);
6281 fd_in
= mch_open((char *)from
, O_RDONLY
|O_EXTRA
, 0);
6290 /* Create the new file with same permissions as the original. */
6291 fd_out
= mch_open((char *)to
,
6292 O_CREAT
|O_EXCL
|O_WRONLY
|O_EXTRA
|O_NOFOLLOW
, (int)perm
);
6302 buffer
= (char *)alloc(BUFSIZE
);
6313 while ((n
= vim_read(fd_in
, buffer
, BUFSIZE
)) > 0)
6314 if (vim_write(fd_out
, buffer
, n
) != n
)
6316 errmsg
= _("E208: Error writing to \"%s\"");
6322 if (close(fd_out
) < 0)
6323 errmsg
= _("E209: Error closing \"%s\"");
6326 errmsg
= _("E210: Error reading \"%s\"");
6329 #ifndef UNIX /* for Unix mch_open() already set the permission */
6330 mch_setperm(to
, perm
);
6333 mch_set_acl(to
, acl
);
6345 static int already_warned
= FALSE
;
6348 * Check if any not hidden buffer has been changed.
6349 * Postpone the check if there are characters in the stuff buffer, a global
6350 * command is being executed, a mapping is being executed or an autocommand is
6352 * Returns TRUE if some message was written (screen should be redrawn and
6353 * cursor positioned).
6356 check_timestamps(focus
)
6357 int focus
; /* called for GUI focus event */
6363 /* Don't check timestamps while system() or another low-level function may
6364 * cause us to lose and gain focus. */
6365 if (no_check_timestamps
> 0)
6368 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus
6369 * event and we would keep on checking if the file is steadily growing.
6370 * Do check again after typing something. */
6371 if (focus
&& did_check_timestamps
)
6373 need_check_timestamps
= TRUE
;
6377 if (!stuff_empty() || global_busy
|| !typebuf_typed()
6379 || autocmd_busy
|| curbuf_lock
> 0 || allbuf_lock
> 0
6382 need_check_timestamps
= TRUE
; /* check later */
6386 did_check_timestamps
= TRUE
;
6387 already_warned
= FALSE
;
6388 for (buf
= firstbuf
; buf
!= NULL
; )
6390 /* Only check buffers in a window. */
6391 if (buf
->b_nwindows
> 0)
6393 n
= buf_check_timestamp(buf
, focus
);
6396 if (n
> 0 && !buf_valid(buf
))
6398 /* Autocommands have removed the buffer, start at the
6399 * first one again. */
6407 need_check_timestamps
= FALSE
;
6408 if (need_wait_return
&& didit
== 2)
6410 /* make sure msg isn't overwritten */
6411 msg_puts((char_u
*)"\n");
6419 * Move all the lines from buffer "frombuf" to buffer "tobuf".
6420 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not
6424 move_lines(frombuf
, tobuf
)
6428 buf_T
*tbuf
= curbuf
;
6433 /* Copy the lines in "frombuf" to "tobuf". */
6435 for (lnum
= 1; lnum
<= frombuf
->b_ml
.ml_line_count
; ++lnum
)
6437 p
= vim_strsave(ml_get_buf(frombuf
, lnum
, FALSE
));
6438 if (p
== NULL
|| ml_append(lnum
- 1, p
, 0, FALSE
) == FAIL
)
6447 /* Delete all the lines in "frombuf". */
6451 for (lnum
= curbuf
->b_ml
.ml_line_count
; lnum
> 0; --lnum
)
6452 if (ml_delete(lnum
, FALSE
) == FAIL
)
6454 /* Oops! We could try putting back the saved lines, but that
6455 * might fail again... */
6466 * Check if buffer "buf" has been changed.
6467 * Also check if the file for a new buffer unexpectedly appeared.
6468 * return 1 if a changed buffer was found.
6469 * return 2 if a message has been displayed.
6470 * return 0 otherwise.
6473 buf_check_timestamp(buf
, focus
)
6475 int focus UNUSED
; /* called for GUI focus event */
6484 int helpmesg
= FALSE
;
6486 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6487 int can_reload
= FALSE
;
6489 size_t orig_size
= buf
->b_orig_size
;
6490 int orig_mode
= buf
->b_orig_mode
;
6492 int save_mouse_correct
= need_mouse_correct
;
6495 static int busy
= FALSE
;
6501 /* If there is no file name, the buffer is not loaded, 'buftype' is
6502 * set, we are in the middle of a save or being called recursively: ignore
6504 if (buf
->b_ffname
== NULL
6505 || buf
->b_ml
.ml_mfp
== NULL
6506 #if defined(FEAT_QUICKFIX)
6507 || *buf
->b_p_bt
!= NUL
6513 #ifdef FEAT_NETBEANS_INTG
6514 || isNetbeansBuffer(buf
)
6519 if ( !(buf
->b_flags
& BF_NOTEDITED
)
6520 && buf
->b_mtime
!= 0
6521 && ((stat_res
= mch_stat((char *)buf
->b_ffname
, &st
)) < 0
6522 || time_differs((long)st
.st_mtime
, buf
->b_mtime
)
6524 || (int)st
.st_mode
!= buf
->b_orig_mode
6526 || mch_getperm(buf
->b_ffname
) != buf
->b_orig_mode
6532 /* set b_mtime to stop further warnings (e.g., when executing
6533 * FileChangedShell autocmd) */
6537 buf
->b_orig_size
= 0;
6538 buf
->b_orig_mode
= 0;
6541 buf_store_time(buf
, &st
, buf
->b_ffname
);
6543 /* Don't do anything for a directory. Might contain the file
6545 if (mch_isdir(buf
->b_fname
))
6549 * If 'autoread' is set, the buffer has no changes and the file still
6550 * exists, reload the buffer. Use the buffer-local option value if it
6551 * was set, the global option value otherwise.
6553 else if ((buf
->b_p_ar
>= 0 ? buf
->b_p_ar
: p_ar
)
6554 && !bufIsChanged(buf
) && stat_res
>= 0)
6560 else if (bufIsChanged(buf
))
6561 reason
= "conflict";
6562 else if (orig_size
!= buf
->b_orig_size
|| buf_contents_changed(buf
))
6564 else if (orig_mode
!= buf
->b_orig_mode
)
6571 * Only give the warning if there are no FileChangedShell
6573 * Avoid being called recursively by setting "busy".
6577 set_vim_var_string(VV_FCS_REASON
, (char_u
*)reason
, -1);
6578 set_vim_var_string(VV_FCS_CHOICE
, (char_u
*)"", -1);
6581 n
= apply_autocmds(EVENT_FILECHANGEDSHELL
,
6582 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6587 if (!buf_valid(buf
))
6588 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));
6590 s
= get_vim_var_str(VV_FCS_CHOICE
);
6591 if (STRCMP(s
, "reload") == 0 && *reason
!= 'd')
6593 else if (STRCMP(s
, "ask") == 0)
6603 mesg
= _("E211: File \"%s\" no longer available");
6607 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6611 * Check if the file contents really changed to avoid
6612 * giving a warning when only the timestamp was set (e.g.,
6613 * checked out of CVS). Always warn when the buffer was
6616 if (reason
[2] == 'n')
6618 mesg
= _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well");
6619 mesg2
= _("See \":help W12\" for more info.");
6621 else if (reason
[1] == 'h')
6623 mesg
= _("W11: Warning: File \"%s\" has changed since editing started");
6624 mesg2
= _("See \":help W11\" for more info.");
6626 else if (*reason
== 'm')
6628 mesg
= _("W16: Warning: Mode of file \"%s\" has changed since editing started");
6629 mesg2
= _("See \":help W16\" for more info.");
6632 /* Only timestamp changed, store it to avoid a warning
6633 * in check_mtime() later. */
6634 buf
->b_mtime_read
= buf
->b_mtime
;
6640 else if ((buf
->b_flags
& BF_NEW
) && !(buf
->b_flags
& BF_NEW_W
)
6641 && vim_fexists(buf
->b_ffname
))
6644 mesg
= _("W13: Warning: File \"%s\" has been created after editing started");
6645 buf
->b_flags
|= BF_NEW_W
;
6646 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6653 path
= home_replace_save(buf
, buf
->b_fname
);
6658 tbuf
= alloc((unsigned)(STRLEN(path
) + STRLEN(mesg
)
6659 + STRLEN(mesg2
) + 2));
6660 sprintf((char *)tbuf
, mesg
, path
);
6662 /* Set warningmsg here, before the unimportant and output-specific
6663 * mesg2 has been appended. */
6664 set_vim_var_string(VV_WARNINGMSG
, tbuf
, -1);
6666 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
6672 STRCAT(tbuf
, mesg2
);
6674 if (do_dialog(VIM_WARNING
, (char_u
*)_("Warning"), tbuf
,
6675 (char_u
*)_("&OK\n&Load File"), 1, NULL
) == 2)
6680 if (State
> NORMAL_BUSY
|| (State
& CMDLINE
) || already_warned
)
6685 STRCAT(tbuf
, mesg2
);
6692 # ifdef FEAT_AUTOCMD
6697 msg_puts_attr(tbuf
, hl_attr(HLF_E
) + MSG_HIST
);
6699 msg_puts_attr((char_u
*)mesg2
,
6700 hl_attr(HLF_W
) + MSG_HIST
);
6703 if (emsg_silent
== 0)
6709 /* give the user some time to think about it */
6710 ui_delay(1000L, TRUE
);
6712 /* don't redraw and erase the message */
6713 redraw_cmdline
= FALSE
;
6716 already_warned
= TRUE
;
6725 /* Reload the buffer. */
6726 buf_reload(buf
, orig_mode
);
6729 /* Trigger FileChangedShell when the file was changed in any way. */
6730 if (buf_valid(buf
) && retval
!= 0)
6731 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST
,
6732 buf
->b_fname
, buf
->b_fname
, FALSE
, buf
);
6735 /* restore this in case an autocommand has set it; it would break
6737 need_mouse_correct
= save_mouse_correct
;
6744 * Reload a buffer that is already loaded.
6745 * Used when the file was changed outside of Vim.
6746 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected.
6747 * buf->b_orig_mode may have been reset already.
6750 buf_reload(buf
, orig_mode
)
6756 linenr_T old_topline
;
6757 int old_ro
= buf
->b_p_ro
;
6762 /* set curwin/curbuf for "buf" and save some things */
6763 aucmd_prepbuf(&aco
, buf
);
6765 /* We only want to read the text from the file, not reset the syntax
6766 * highlighting, clear marks, diff status, etc. Force the fileformat
6767 * and encoding to be the same. */
6768 if (prep_exarg(&ea
, buf
) == OK
)
6770 old_cursor
= curwin
->w_cursor
;
6771 old_topline
= curwin
->w_topline
;
6774 * To behave like when a new file is edited (matters for
6775 * BufReadPost autocommands) we first need to delete the current
6776 * buffer contents. But if reading the file fails we should keep
6777 * the old contents. Can't use memory only, the file might be
6778 * too big. Use a hidden buffer to move the buffer contents to.
6784 /* Allocate a buffer without putting it in the buffer list. */
6785 savebuf
= buflist_new(NULL
, NULL
, (linenr_T
)1, BLN_DUMMY
);
6786 if (savebuf
!= NULL
&& buf
== curbuf
)
6788 /* Open the memline. */
6790 curwin
->w_buffer
= savebuf
;
6791 saved
= ml_open(curbuf
);
6793 curwin
->w_buffer
= buf
;
6795 if (savebuf
== NULL
|| saved
== FAIL
|| buf
!= curbuf
6796 || move_lines(buf
, savebuf
) == FAIL
)
6798 EMSG2(_("E462: Could not prepare for reloading \"%s\""),
6806 curbuf
->b_flags
|= BF_CHECK_RO
; /* check for RO again */
6808 keep_filetype
= TRUE
; /* don't detect 'filetype' */
6810 if (readfile(buf
->b_ffname
, buf
->b_fname
, (linenr_T
)0,
6812 (linenr_T
)MAXLNUM
, &ea
, READ_NEW
) == FAIL
)
6814 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
6817 EMSG2(_("E321: Could not reload \"%s\""), buf
->b_fname
);
6818 if (savebuf
!= NULL
&& buf_valid(savebuf
) && buf
== curbuf
)
6820 /* Put the text back from the save buffer. First
6821 * delete any lines that readfile() added. */
6823 if (ml_delete(buf
->b_ml
.ml_line_count
, FALSE
) == FAIL
)
6825 (void)move_lines(savebuf
, buf
);
6828 else if (buf
== curbuf
)
6830 /* Mark the buffer as unmodified and free undo info. */
6831 unchanged(buf
, TRUE
);
6838 if (savebuf
!= NULL
&& buf_valid(savebuf
))
6839 wipe_buffer(savebuf
, FALSE
);
6842 /* Invalidate diff info if necessary. */
6843 diff_invalidate(curbuf
);
6846 /* Restore the topline and cursor position and check it (lines may
6847 * have been removed). */
6848 if (old_topline
> curbuf
->b_ml
.ml_line_count
)
6849 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
6851 curwin
->w_topline
= old_topline
;
6852 curwin
->w_cursor
= old_cursor
;
6856 keep_filetype
= FALSE
;
6863 /* Update folds unless they are defined manually. */
6864 FOR_ALL_TAB_WINDOWS(tp
, wp
)
6865 if (wp
->w_buffer
== curwin
->w_buffer
6866 && !foldmethodIsManual(wp
))
6870 /* If the mode didn't change and 'readonly' was set, keep the old
6871 * value; the user probably used the ":view" command. But don't
6872 * reset it, might have had a read error. */
6873 if (orig_mode
== curbuf
->b_orig_mode
)
6874 curbuf
->b_p_ro
|= old_ro
;
6877 /* restore curwin/curbuf and a few other things */
6878 aucmd_restbuf(&aco
);
6879 /* Careful: autocommands may have made "buf" invalid! */
6883 buf_store_time(buf
, st
, fname
)
6886 char_u
*fname UNUSED
;
6888 buf
->b_mtime
= (long)st
->st_mtime
;
6889 buf
->b_orig_size
= (size_t)st
->st_size
;
6891 buf
->b_orig_mode
= (int)st
->st_mode
;
6893 buf
->b_orig_mode
= mch_getperm(fname
);
6898 * Adjust the line with missing eol, used for the next write.
6899 * Used for do_filter(), when the input lines for the filter are deleted.
6902 write_lnum_adjust(offset
)
6905 if (write_no_eol_lnum
!= 0) /* only if there is a missing eol */
6906 write_no_eol_lnum
+= offset
;
6909 #if defined(TEMPDIRNAMES) || defined(PROTO)
6910 static long temp_count
= 0; /* Temp filename counter. */
6913 * Delete the temp directory and all files it contains.
6922 if (vim_tempdir
!= NULL
)
6924 sprintf((char *)NameBuff
, "%s*", vim_tempdir
);
6925 if (gen_expand_wildcards(1, &NameBuff
, &file_count
, &files
,
6926 EW_DIR
|EW_FILE
|EW_SILENT
) == OK
)
6928 for (i
= 0; i
< file_count
; ++i
)
6929 mch_remove(files
[i
]);
6930 FreeWild(file_count
, files
);
6932 gettail(NameBuff
)[-1] = NUL
;
6933 (void)mch_rmdir(NameBuff
);
6935 vim_free(vim_tempdir
);
6942 * vim_tempname(): Return a unique name that can be used for a temp file.
6944 * The temp file is NOT created.
6946 * The returned pointer is to allocated memory.
6947 * The returned pointer is NULL if no valid name was found.
6950 vim_tempname(extra_char
)
6951 int extra_char UNUSED
; /* char to use in the name instead of '?' */
6954 char_u itmp
[L_tmpnam
]; /* use tmpnam() */
6956 char_u itmp
[TEMPNAMELEN
];
6960 static char *(tempdirs
[]) = {TEMPDIRNAMES
};
6969 * This will create a directory for private use by this instance of Vim.
6970 * This is done once, and the same directory is used for all temp files.
6971 * This method avoids security problems because of symlink attacks et al.
6972 * It's also a bit faster, because we only need to check for an existing
6973 * file when creating the directory and not for each temp file.
6975 if (vim_tempdir
== NULL
)
6978 * Try the entries in TEMPDIRNAMES to create the temp directory.
6980 for (i
= 0; i
< (int)(sizeof(tempdirs
) / sizeof(char *)); ++i
)
6982 /* expand $TMP, leave room for "/v1100000/999999999" */
6983 expand_env((char_u
*)tempdirs
[i
], itmp
, TEMPNAMELEN
- 20);
6984 if (mch_isdir(itmp
)) /* directory exists */
6987 /* If $TMP contains a forward slash (perhaps using bash or
6988 * tcsh), don't add a backslash, use a forward slash!
6989 * Adding 2 backslashes didn't work. */
6990 if (vim_strchr(itmp
, '/') != NULL
)
6996 /* Get an arbitrary number of up to 6 digits. When it's
6997 * unlikely that it already exists it will be faster,
6998 * otherwise it doesn't matter. The use of mkdir() avoids any
6999 * security problems because of the predictable number. */
7000 nr
= (mch_get_pid() + (long)time(NULL
)) % 1000000L;
7002 /* Try up to 10000 different values until we find a name that
7004 for (off
= 0; off
< 10000L; ++off
)
7007 #if defined(UNIX) || defined(VMS)
7011 sprintf((char *)itmp
+ STRLEN(itmp
), "v%ld", nr
+ off
);
7013 /* If mkdir() does not set errno to EEXIST, check for
7014 * existing file here. There is a race condition then,
7015 * although it's fail-safe. */
7016 if (mch_stat((char *)itmp
, &st
) >= 0)
7019 #if defined(UNIX) || defined(VMS)
7020 /* Make sure the umask doesn't remove the executable bit.
7021 * "repl" has been reported to use "177". */
7022 umask_save
= umask(077);
7024 r
= vim_mkdir(itmp
, 0700);
7025 #if defined(UNIX) || defined(VMS)
7026 (void)umask(umask_save
);
7032 /* Directory was created, use this name.
7033 * Expand to full path; When using the current
7034 * directory a ":cd" would confuse us. */
7035 buf
= alloc((unsigned)MAXPATHL
+ 1);
7038 if (vim_FullName(itmp
, buf
, MAXPATHL
, FALSE
)
7042 if (vim_strchr(buf
, '/') != NULL
)
7047 vim_tempdir
= vim_strsave(buf
);
7053 /* If the mkdir() didn't fail because the file/dir exists,
7054 * we probably can't create any dir here, try another
7056 if (errno
!= EEXIST
)
7060 if (vim_tempdir
!= NULL
)
7066 if (vim_tempdir
!= NULL
)
7068 /* There is no need to check if the file exists, because we own the
7069 * directory and nobody else creates a file in it. */
7070 sprintf((char *)itmp
, "%s%ld", vim_tempdir
, temp_count
++);
7071 return vim_strsave(itmp
);
7076 #else /* TEMPDIRNAMES */
7079 char szTempFile
[_MAX_PATH
+ 1];
7085 if (GetTempPath(_MAX_PATH
, szTempFile
) == 0)
7086 szTempFile
[0] = NUL
; /* GetTempPath() failed, use current dir */
7087 strcpy(buf4
, "VIM");
7088 buf4
[2] = extra_char
; /* make it "VIa", "VIb", etc. */
7089 if (GetTempFileName(szTempFile
, buf4
, 0, itmp
) == 0)
7091 /* GetTempFileName() will create the file, we don't want that */
7092 (void)DeleteFile(itmp
);
7094 /* Backslashes in a temp file name cause problems when filtering with
7095 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who
7096 * didn't set 'shellslash'. */
7097 retval
= vim_strsave(itmp
);
7098 if (*p_shcf
== '-' || p_ssl
)
7099 for (p
= retval
; *p
; ++p
)
7104 # else /* WIN3264 */
7107 /* tmpnam() will make its own name */
7108 if (*tmpnam((char *)itmp
) == NUL
)
7114 /* mktemp() is not working on VMS. It seems to be
7115 * a do-nothing function. Therefore we use tempnam().
7117 sprintf((char *)itmp
, "VIM%c", extra_char
);
7118 p
= (char_u
*)tempnam("tmp:", (char *)itmp
);
7121 /* VMS will use '.LOG' if we don't explicitly specify an extension,
7122 * and VIM will then be unable to find the file later */
7124 STRCAT(itmp
, ".txt");
7130 STRCPY(itmp
, TEMPNAME
);
7131 if ((p
= vim_strchr(itmp
, '?')) != NULL
)
7133 if (mktemp((char *)itmp
) == NULL
)
7138 return vim_strsave(itmp
);
7139 # endif /* WIN3264 */
7140 #endif /* TEMPDIRNAMES */
7143 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7145 * Convert all backslashes in fname to forward slashes in-place.
7148 forward_slash(fname
)
7153 for (p
= fname
; *p
!= NUL
; ++p
)
7155 /* The Big5 encoding can have '\' in the trail byte. */
7156 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
7167 * Code for automatic commands.
7169 * Only included when "FEAT_AUTOCMD" has been defined.
7172 #if defined(FEAT_AUTOCMD) || defined(PROTO)
7175 * The autocommands are stored in a list for each event.
7176 * Autocommands for the same pattern, that are consecutive, are joined
7177 * together, to avoid having to match the pattern too often.
7178 * The result is an array of Autopat lists, which point to AutoCmd lists:
7180 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL
7181 * Autopat.cmds Autopat.cmds
7184 * AutoCmd.next AutoCmd.next
7192 * first_autopat[1] --> Autopat.next --> NULL
7202 * The order of AutoCmds is important, this is the order in which they were
7203 * defined and will have to be executed.
7205 typedef struct AutoCmd
7207 char_u
*cmd
; /* The command to be executed (NULL
7208 when command has been removed) */
7209 char nested
; /* If autocommands nest here */
7210 char last
; /* last command in list */
7212 scid_T scriptID
; /* script ID where defined */
7214 struct AutoCmd
*next
; /* Next AutoCmd in list */
7217 typedef struct AutoPat
7219 int group
; /* group ID */
7220 char_u
*pat
; /* pattern as typed (NULL when pattern
7221 has been removed) */
7222 int patlen
; /* strlen() of pat */
7223 regprog_T
*reg_prog
; /* compiled regprog for pattern */
7224 char allow_dirs
; /* Pattern may match whole path */
7225 char last
; /* last pattern for apply_autocmds() */
7226 AutoCmd
*cmds
; /* list of commands to do */
7227 struct AutoPat
*next
; /* next AutoPat in AutoPat list */
7228 int buflocal_nr
; /* !=0 for buffer-local AutoPat */
7231 static struct event_name
7233 char *name
; /* event name */
7234 event_T event
; /* event number */
7237 {"BufAdd", EVENT_BUFADD
},
7238 {"BufCreate", EVENT_BUFADD
},
7239 {"BufDelete", EVENT_BUFDELETE
},
7240 {"BufEnter", EVENT_BUFENTER
},
7241 {"BufFilePost", EVENT_BUFFILEPOST
},
7242 {"BufFilePre", EVENT_BUFFILEPRE
},
7243 {"BufHidden", EVENT_BUFHIDDEN
},
7244 {"BufLeave", EVENT_BUFLEAVE
},
7245 {"BufNew", EVENT_BUFNEW
},
7246 {"BufNewFile", EVENT_BUFNEWFILE
},
7247 {"BufRead", EVENT_BUFREADPOST
},
7248 {"BufReadCmd", EVENT_BUFREADCMD
},
7249 {"BufReadPost", EVENT_BUFREADPOST
},
7250 {"BufReadPre", EVENT_BUFREADPRE
},
7251 {"BufUnload", EVENT_BUFUNLOAD
},
7252 {"BufWinEnter", EVENT_BUFWINENTER
},
7253 {"BufWinLeave", EVENT_BUFWINLEAVE
},
7254 {"BufWipeout", EVENT_BUFWIPEOUT
},
7255 {"BufWrite", EVENT_BUFWRITEPRE
},
7256 {"BufWritePost", EVENT_BUFWRITEPOST
},
7257 {"BufWritePre", EVENT_BUFWRITEPRE
},
7258 {"BufWriteCmd", EVENT_BUFWRITECMD
},
7259 {"CmdwinEnter", EVENT_CMDWINENTER
},
7260 {"CmdwinLeave", EVENT_CMDWINLEAVE
},
7261 {"ColorScheme", EVENT_COLORSCHEME
},
7262 {"CursorHold", EVENT_CURSORHOLD
},
7263 {"CursorHoldI", EVENT_CURSORHOLDI
},
7264 {"CursorMoved", EVENT_CURSORMOVED
},
7265 {"CursorMovedI", EVENT_CURSORMOVEDI
},
7266 {"EncodingChanged", EVENT_ENCODINGCHANGED
},
7267 {"FileEncoding", EVENT_ENCODINGCHANGED
},
7268 {"FileAppendPost", EVENT_FILEAPPENDPOST
},
7269 {"FileAppendPre", EVENT_FILEAPPENDPRE
},
7270 {"FileAppendCmd", EVENT_FILEAPPENDCMD
},
7271 {"FileChangedShell",EVENT_FILECHANGEDSHELL
},
7272 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST
},
7273 {"FileChangedRO", EVENT_FILECHANGEDRO
},
7274 {"FileReadPost", EVENT_FILEREADPOST
},
7275 {"FileReadPre", EVENT_FILEREADPRE
},
7276 {"FileReadCmd", EVENT_FILEREADCMD
},
7277 {"FileType", EVENT_FILETYPE
},
7278 {"FileWritePost", EVENT_FILEWRITEPOST
},
7279 {"FileWritePre", EVENT_FILEWRITEPRE
},
7280 {"FileWriteCmd", EVENT_FILEWRITECMD
},
7281 {"FilterReadPost", EVENT_FILTERREADPOST
},
7282 {"FilterReadPre", EVENT_FILTERREADPRE
},
7283 {"FilterWritePost", EVENT_FILTERWRITEPOST
},
7284 {"FilterWritePre", EVENT_FILTERWRITEPRE
},
7285 {"FocusGained", EVENT_FOCUSGAINED
},
7286 {"FocusLost", EVENT_FOCUSLOST
},
7287 {"FuncUndefined", EVENT_FUNCUNDEFINED
},
7288 {"GUIEnter", EVENT_GUIENTER
},
7289 {"GUIFailed", EVENT_GUIFAILED
},
7290 {"InsertChange", EVENT_INSERTCHANGE
},
7291 {"InsertEnter", EVENT_INSERTENTER
},
7292 {"InsertLeave", EVENT_INSERTLEAVE
},
7293 {"MenuPopup", EVENT_MENUPOPUP
},
7294 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST
},
7295 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE
},
7296 {"RemoteReply", EVENT_REMOTEREPLY
},
7297 {"SessionLoadPost", EVENT_SESSIONLOADPOST
},
7298 {"ShellCmdPost", EVENT_SHELLCMDPOST
},
7299 {"ShellFilterPost", EVENT_SHELLFILTERPOST
},
7300 {"SourcePre", EVENT_SOURCEPRE
},
7301 {"SourceCmd", EVENT_SOURCECMD
},
7302 {"SpellFileMissing",EVENT_SPELLFILEMISSING
},
7303 {"StdinReadPost", EVENT_STDINREADPOST
},
7304 {"StdinReadPre", EVENT_STDINREADPRE
},
7305 {"SwapExists", EVENT_SWAPEXISTS
},
7306 {"Syntax", EVENT_SYNTAX
},
7307 {"TabEnter", EVENT_TABENTER
},
7308 {"TabLeave", EVENT_TABLEAVE
},
7309 {"TermChanged", EVENT_TERMCHANGED
},
7310 {"TermResponse", EVENT_TERMRESPONSE
},
7311 {"User", EVENT_USER
},
7312 {"VimEnter", EVENT_VIMENTER
},
7313 {"VimLeave", EVENT_VIMLEAVE
},
7314 {"VimLeavePre", EVENT_VIMLEAVEPRE
},
7315 {"WinEnter", EVENT_WINENTER
},
7316 {"WinLeave", EVENT_WINLEAVE
},
7317 {"VimResized", EVENT_VIMRESIZED
},
7321 static AutoPat
*first_autopat
[NUM_EVENTS
] =
7323 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7324 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7325 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7326 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7327 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
7328 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
7332 * struct used to keep status while executing autocommands for an event.
7334 typedef struct AutoPatCmd
7336 AutoPat
*curpat
; /* next AutoPat to examine */
7337 AutoCmd
*nextcmd
; /* next AutoCmd to execute */
7338 int group
; /* group being used */
7339 char_u
*fname
; /* fname to match with */
7340 char_u
*sfname
; /* sfname to match with */
7341 char_u
*tail
; /* tail of fname */
7342 event_T event
; /* current event */
7343 int arg_bufnr
; /* initially equal to <abuf>, set to zero when
7345 struct AutoPatCmd
*next
; /* chain of active apc-s for auto-invalidation*/
7348 static AutoPatCmd
*active_apc_list
= NULL
; /* stack of active autocommands */
7351 * augroups stores a list of autocmd group names.
7353 static garray_T augroups
= {0, 0, sizeof(char_u
*), 10, NULL
};
7354 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i])
7357 * The ID of the current group. Group 0 is the default one.
7359 static int current_augroup
= AUGROUP_DEFAULT
;
7361 static int au_need_clean
= FALSE
; /* need to delete marked patterns */
7363 static void show_autocmd
__ARGS((AutoPat
*ap
, event_T event
));
7364 static void au_remove_pat
__ARGS((AutoPat
*ap
));
7365 static void au_remove_cmds
__ARGS((AutoPat
*ap
));
7366 static void au_cleanup
__ARGS((void));
7367 static int au_new_group
__ARGS((char_u
*name
));
7368 static void au_del_group
__ARGS((char_u
*name
));
7369 static event_T event_name2nr
__ARGS((char_u
*start
, char_u
**end
));
7370 static char_u
*event_nr2name
__ARGS((event_T event
));
7371 static char_u
*find_end_event
__ARGS((char_u
*arg
, int have_group
));
7372 static int event_ignored
__ARGS((event_T event
));
7373 static int au_get_grouparg
__ARGS((char_u
**argp
));
7374 static int do_autocmd_event
__ARGS((event_T event
, char_u
*pat
, int nested
, char_u
*cmd
, int forceit
, int group
));
7375 static char_u
*getnextac
__ARGS((int c
, void *cookie
, int indent
));
7376 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
));
7377 static void auto_next_pat
__ARGS((AutoPatCmd
*apc
, int stop_at_last
));
7380 static event_T last_event
;
7381 static int last_group
;
7382 static int autocmd_blocked
= 0; /* block all autocmds */
7385 * Show the autocommands for one AutoPat.
7388 show_autocmd(ap
, event
)
7394 /* Check for "got_int" (here and at various places below), which is set
7395 * when "q" has been hit for the "--more--" prompt */
7398 if (ap
->pat
== NULL
) /* pattern has been removed */
7404 if (event
!= last_event
|| ap
->group
!= last_group
)
7406 if (ap
->group
!= AUGROUP_DEFAULT
)
7408 if (AUGROUP_NAME(ap
->group
) == NULL
)
7409 msg_puts_attr((char_u
*)_("--Deleted--"), hl_attr(HLF_E
));
7411 msg_puts_attr(AUGROUP_NAME(ap
->group
), hl_attr(HLF_T
));
7412 msg_puts((char_u
*)" ");
7414 msg_puts_attr(event_nr2name(event
), hl_attr(HLF_T
));
7416 last_group
= ap
->group
;
7422 msg_outtrans(ap
->pat
);
7424 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7426 if (ac
->cmd
!= NULL
) /* skip removed commands */
7433 msg_outtrans(ac
->cmd
);
7436 last_set_msg(ac
->scriptID
);
7440 if (ac
->next
!= NULL
)
7451 * Mark an autocommand pattern for deletion.
7459 ap
->buflocal_nr
= -1;
7460 au_need_clean
= TRUE
;
7464 * Mark all commands for a pattern for deletion.
7472 for (ac
= ap
->cmds
; ac
!= NULL
; ac
= ac
->next
)
7477 au_need_clean
= TRUE
;
7481 * Cleanup autocommands and patterns that have been deleted.
7482 * This is only done when not executing autocommands.
7487 AutoPat
*ap
, **prev_ap
;
7488 AutoCmd
*ac
, **prev_ac
;
7491 if (autocmd_busy
|| !au_need_clean
)
7494 /* loop over all events */
7495 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7496 event
= (event_T
)((int)event
+ 1))
7498 /* loop over all autocommand patterns */
7499 prev_ap
= &(first_autopat
[(int)event
]);
7500 for (ap
= *prev_ap
; ap
!= NULL
; ap
= *prev_ap
)
7502 /* loop over all commands for this pattern */
7503 prev_ac
= &(ap
->cmds
);
7504 for (ac
= *prev_ac
; ac
!= NULL
; ac
= *prev_ac
)
7506 /* remove the command if the pattern is to be deleted or when
7507 * the command has been marked for deletion */
7508 if (ap
->pat
== NULL
|| ac
->cmd
== NULL
)
7510 *prev_ac
= ac
->next
;
7515 prev_ac
= &(ac
->next
);
7518 /* remove the pattern if it has been marked for deletion */
7519 if (ap
->pat
== NULL
)
7521 *prev_ap
= ap
->next
;
7522 vim_free(ap
->reg_prog
);
7526 prev_ap
= &(ap
->next
);
7530 au_need_clean
= FALSE
;
7534 * Called when buffer is freed, to remove/invalidate related buffer-local
7538 aubuflocal_remove(buf
)
7545 /* invalidate currently executing autocommands */
7546 for (apc
= active_apc_list
; apc
; apc
= apc
->next
)
7547 if (buf
->b_fnum
== apc
->arg_bufnr
)
7550 /* invalidate buflocals looping through events */
7551 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7552 event
= (event_T
)((int)event
+ 1))
7553 /* loop over all autocommand patterns */
7554 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
7555 if (ap
->buflocal_nr
== buf
->b_fnum
)
7562 _("auto-removing autocommand: %s <buffer=%d>"),
7563 event_nr2name(event
), buf
->b_fnum
);
7571 * Add an autocmd group name.
7572 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7580 i
= au_find_group(name
);
7581 if (i
== AUGROUP_ERROR
) /* the group doesn't exist yet, add it */
7583 /* First try using a free entry. */
7584 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7585 if (AUGROUP_NAME(i
) == NULL
)
7587 if (i
== augroups
.ga_len
&& ga_grow(&augroups
, 1) == FAIL
)
7588 return AUGROUP_ERROR
;
7590 AUGROUP_NAME(i
) = vim_strsave(name
);
7591 if (AUGROUP_NAME(i
) == NULL
)
7592 return AUGROUP_ERROR
;
7593 if (i
== augroups
.ga_len
)
7606 i
= au_find_group(name
);
7607 if (i
== AUGROUP_ERROR
) /* the group doesn't exist */
7608 EMSG2(_("E367: No such group: \"%s\""), name
);
7611 vim_free(AUGROUP_NAME(i
));
7612 AUGROUP_NAME(i
) = NULL
;
7617 * Find the ID of an autocmd group name.
7618 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
7626 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7627 if (AUGROUP_NAME(i
) != NULL
&& STRCMP(AUGROUP_NAME(i
), name
) == 0)
7629 return AUGROUP_ERROR
;
7633 * Return TRUE if augroup "name" exists.
7639 return au_find_group(name
) != AUGROUP_ERROR
;
7643 * ":augroup {name}".
7646 do_augroup(arg
, del_group
)
7659 else if (STRICMP(arg
, "end") == 0) /* ":aug end": back to group 0 */
7660 current_augroup
= AUGROUP_DEFAULT
;
7661 else if (*arg
) /* ":aug xxx": switch to group xxx */
7663 i
= au_new_group(arg
);
7664 if (i
!= AUGROUP_ERROR
)
7665 current_augroup
= i
;
7667 else /* ":aug": list the group names */
7670 for (i
= 0; i
< augroups
.ga_len
; ++i
)
7672 if (AUGROUP_NAME(i
) != NULL
)
7674 msg_puts(AUGROUP_NAME(i
));
7675 msg_puts((char_u
*)" ");
7683 #if defined(EXITFREE) || defined(PROTO)
7687 for (current_augroup
= -1; current_augroup
< augroups
.ga_len
;
7689 do_autocmd((char_u
*)"", TRUE
);
7690 ga_clear_strings(&augroups
);
7695 * Return the event number for event name "start".
7696 * Return NUM_EVENTS if the event name was not found.
7697 * Return a pointer to the next event name in "end".
7700 event_name2nr(start
, end
)
7708 /* the event name ends with end of line, a blank or a comma */
7709 for (p
= start
; *p
&& !vim_iswhite(*p
) && *p
!= ','; ++p
)
7711 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7713 len
= (int)STRLEN(event_names
[i
].name
);
7714 if (len
== p
- start
&& STRNICMP(event_names
[i
].name
, start
, len
) == 0)
7720 if (event_names
[i
].name
== NULL
)
7722 return event_names
[i
].event
;
7726 * Return the name for event "event".
7729 event_nr2name(event
)
7734 for (i
= 0; event_names
[i
].name
!= NULL
; ++i
)
7735 if (event_names
[i
].event
== event
)
7736 return (char_u
*)event_names
[i
].name
;
7737 return (char_u
*)"Unknown";
7741 * Scan over the events. "*" stands for all events.
7744 find_end_event(arg
, have_group
)
7746 int have_group
; /* TRUE when group name was found */
7753 if (arg
[1] && !vim_iswhite(arg
[1]))
7755 EMSG2(_("E215: Illegal character after *: %s"), arg
);
7762 for (pat
= arg
; *pat
&& !vim_iswhite(*pat
); pat
= p
)
7764 if ((int)event_name2nr(pat
, &p
) >= (int)NUM_EVENTS
)
7767 EMSG2(_("E216: No such event: %s"), pat
);
7769 EMSG2(_("E216: No such group or event: %s"), pat
);
7778 * Return TRUE if "event" is included in 'eventignore'.
7781 event_ignored(event
)
7788 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7790 if (event_name2nr(p
, &p
) == event
)
7798 * Return OK when the contents of p_ei is valid, FAIL otherwise.
7807 if (STRNICMP(p
, "all", 3) == 0 && (p
[3] == NUL
|| p
[3] == ','))
7813 else if (event_name2nr(p
, &p
) == NUM_EVENTS
)
7820 # if defined(FEAT_SYN_HL) || defined(PROTO)
7823 * Add "what" to 'eventignore' to skip loading syntax highlighting for every
7824 * buffer loaded into the window. "what" must start with a comma.
7825 * Returns the old value of 'eventignore' in allocated memory.
7828 au_event_disable(what
)
7834 save_ei
= vim_strsave(p_ei
);
7835 if (save_ei
!= NULL
)
7837 new_ei
= vim_strnsave(p_ei
, (int)(STRLEN(p_ei
) + STRLEN(what
)));
7840 STRCAT(new_ei
, what
);
7841 set_string_option_direct((char_u
*)"ei", -1, new_ei
,
7842 OPT_FREE
, SID_NONE
);
7850 au_event_restore(old_ei
)
7855 set_string_option_direct((char_u
*)"ei", -1, old_ei
,
7856 OPT_FREE
, SID_NONE
);
7860 # endif /* FEAT_SYN_HL */
7863 * do_autocmd() -- implements the :autocmd command. Can be used in the
7866 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that
7867 * will be automatically executed for <event>
7868 * when editing a file matching <pat>, in
7869 * the current group.
7870 * :autocmd <event> <pat> Show the auto-commands associated with
7871 * <event> and <pat>.
7872 * :autocmd <event> Show the auto-commands associated with
7874 * :autocmd Show all auto-commands.
7875 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with
7876 * <event> and <pat>, and add the command
7877 * <cmd>, for the current group.
7878 * :autocmd! <event> <pat> Remove all auto-commands associated with
7879 * <event> and <pat> for the current group.
7880 * :autocmd! <event> Remove all auto-commands associated with
7881 * <event> for the current group.
7882 * :autocmd! Remove ALL auto-commands for the current
7885 * Multiple events and patterns may be given separated by commas. Here are
7887 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic
7888 * :autocmd bufleave * set tw=79 nosmartindent ic infercase
7890 * :autocmd * *.c show all autocommands for *.c files.
7892 * Mostly a {group} argument can optionally appear before <event>.
7895 do_autocmd(arg
, forceit
)
7900 char_u
*envpat
= NULL
;
7903 int need_free
= FALSE
;
7908 * Check for a legal group name. If not, use AUGROUP_ALL.
7910 group
= au_get_grouparg(&arg
);
7911 if (arg
== NULL
) /* out of memory */
7915 * Scan over the events.
7916 * If we find an illegal name, return here, don't do anything.
7918 pat
= find_end_event(arg
, group
!= AUGROUP_ALL
);
7923 * Scan over the pattern. Put a NUL at the end.
7925 pat
= skipwhite(pat
);
7927 while (*cmd
&& (!vim_iswhite(*cmd
) || cmd
[-1] == '\\'))
7932 /* Expand environment variables in the pattern. Set 'shellslash', we want
7933 * forward slashes here. */
7934 if (vim_strchr(pat
, '$') != NULL
|| vim_strchr(pat
, '~') != NULL
)
7936 #ifdef BACKSLASH_IN_FILENAME
7937 int p_ssl_save
= p_ssl
;
7941 envpat
= expand_env_save(pat
);
7942 #ifdef BACKSLASH_IN_FILENAME
7950 * Check for "nested" flag.
7952 cmd
= skipwhite(cmd
);
7953 if (*cmd
!= NUL
&& STRNCMP(cmd
, "nested", 6) == 0 && vim_iswhite(cmd
[6]))
7956 cmd
= skipwhite(cmd
+ 6);
7960 * Find the start of the commands.
7961 * Expand <sfile> in it.
7965 cmd
= expand_sfile(cmd
);
7966 if (cmd
== NULL
) /* some error */
7972 * Print header when showing autocommands.
7974 if (!forceit
&& *cmd
== NUL
)
7976 /* Highlight title */
7977 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---"));
7981 * Loop over the events.
7983 last_event
= (event_T
)-1; /* for listing the event name */
7984 last_group
= AUGROUP_ERROR
; /* for listing the group name */
7985 if (*arg
== '*' || *arg
== NUL
)
7987 for (event
= (event_T
)0; (int)event
< (int)NUM_EVENTS
;
7988 event
= (event_T
)((int)event
+ 1))
7989 if (do_autocmd_event(event
, pat
,
7990 nested
, cmd
, forceit
, group
) == FAIL
)
7995 while (*arg
&& !vim_iswhite(*arg
))
7996 if (do_autocmd_event(event_name2nr(arg
, &arg
), pat
,
7997 nested
, cmd
, forceit
, group
) == FAIL
)
8007 * Find the group ID in a ":autocmd" or ":doautocmd" argument.
8008 * The "argp" argument is advanced to the following argument.
8010 * Returns the group ID, AUGROUP_ERROR for error (out of memory).
8013 au_get_grouparg(argp
)
8018 char_u
*arg
= *argp
;
8019 int group
= AUGROUP_ALL
;
8021 p
= skiptowhite(arg
);
8024 group_name
= vim_strnsave(arg
, (int)(p
- arg
));
8025 if (group_name
== NULL
) /* out of memory */
8026 return AUGROUP_ERROR
;
8027 group
= au_find_group(group_name
);
8028 if (group
== AUGROUP_ERROR
)
8029 group
= AUGROUP_ALL
; /* no match, use all groups */
8031 *argp
= skipwhite(p
); /* match, skip over group name */
8032 vim_free(group_name
);
8038 * do_autocmd() for one event.
8039 * If *pat == NUL do for all patterns.
8040 * If *cmd == NUL show entries.
8041 * If forceit == TRUE delete entries.
8042 * If group is not AUGROUP_ALL, only use this group.
8045 do_autocmd_event(event
, pat
, nested
, cmd
, forceit
, group
)
8064 char_u buflocal_pat
[25]; /* for "<buffer=X>" */
8066 if (group
== AUGROUP_ALL
)
8067 findgroup
= current_augroup
;
8070 allgroups
= (group
== AUGROUP_ALL
&& !forceit
&& *cmd
== NUL
);
8073 * Show or delete all patterns for an event.
8077 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
8079 if (forceit
) /* delete the AutoPat, if it's in the current group */
8081 if (ap
->group
== findgroup
)
8084 else if (group
== AUGROUP_ALL
|| ap
->group
== group
)
8085 show_autocmd(ap
, event
);
8090 * Loop through all the specified patterns.
8092 for ( ; *pat
; pat
= (*endpat
== ',' ? endpat
+ 1 : endpat
))
8095 * Find end of the pattern.
8096 * Watch out for a comma in braces, like "*.\{obj,o\}".
8099 for (endpat
= pat
; *endpat
&& (*endpat
!= ',' || brace_level
8100 || endpat
[-1] == '\\'); ++endpat
)
8104 else if (*endpat
== '}')
8107 if (pat
== endpat
) /* ignore single comma */
8109 patlen
= (int)(endpat
- pat
);
8112 * detect special <buflocal[=X]> buffer-local patterns
8114 is_buflocal
= FALSE
;
8117 if (patlen
>= 7 && STRNCMP(pat
, "<buffer", 7) == 0
8118 && pat
[patlen
- 1] == '>')
8120 /* Error will be printed only for addition. printing and removing
8121 * will proceed silently. */
8124 buflocal_nr
= curbuf
->b_fnum
;
8125 else if (patlen
> 9 && pat
[7] == '=')
8128 if (patlen
== 13 && STRNICMP(pat
, "<buffer=abuf>", 13))
8129 buflocal_nr
= autocmd_bufnr
;
8131 else if (skipdigits(pat
+ 8) == pat
+ patlen
- 1)
8132 buflocal_nr
= atoi((char *)pat
+ 8);
8138 /* normalize pat into standard "<buffer>#N" form */
8139 sprintf((char *)buflocal_pat
, "<buffer=%d>", buflocal_nr
);
8140 pat
= buflocal_pat
; /* can modify pat and patlen */
8141 patlen
= (int)STRLEN(buflocal_pat
); /* but not endpat */
8145 * Find AutoPat entries with this pattern.
8147 prev_ap
= &first_autopat
[(int)event
];
8148 while ((ap
= *prev_ap
) != NULL
)
8150 if (ap
->pat
!= NULL
)
8152 /* Accept a pattern when:
8153 * - a group was specified and it's that group, or a group was
8154 * not specified and it's the current group, or a group was
8155 * not specified and we are listing
8156 * - the length of the pattern matches
8157 * - the pattern matches.
8158 * For <buffer[=X]>, this condition works because we normalize
8159 * all buffer-local patterns.
8161 if ((allgroups
|| ap
->group
== findgroup
)
8162 && ap
->patlen
== patlen
8163 && STRNCMP(pat
, ap
->pat
, patlen
) == 0)
8166 * Remove existing autocommands.
8167 * If adding any new autocmd's for this AutoPat, don't
8168 * delete the pattern from the autopat list, append to
8173 if (*cmd
!= NUL
&& ap
->next
== NULL
)
8182 * Show autocmd's for this autopat, or buflocals <buffer=X>
8184 else if (*cmd
== NUL
)
8185 show_autocmd(ap
, event
);
8188 * Add autocmd to this autopat, if it's the last one.
8190 else if (ap
->next
== NULL
)
8194 prev_ap
= &ap
->next
;
8198 * Add a new command.
8203 * If the pattern we want to add a command to does appear at the
8204 * end of the list (or not is not in the list at all), add the
8205 * pattern at the end of the list.
8209 /* refuse to add buffer-local ap if buffer number is invalid */
8210 if (is_buflocal
&& (buflocal_nr
== 0
8211 || buflist_findnr(buflocal_nr
) == NULL
))
8213 EMSGN(_("E680: <buffer=%d>: invalid buffer number "),
8218 ap
= (AutoPat
*)alloc((unsigned)sizeof(AutoPat
));
8221 ap
->pat
= vim_strnsave(pat
, patlen
);
8222 ap
->patlen
= patlen
;
8223 if (ap
->pat
== NULL
)
8231 ap
->buflocal_nr
= buflocal_nr
;
8232 ap
->reg_prog
= NULL
;
8238 ap
->buflocal_nr
= 0;
8239 reg_pat
= file_pat_to_reg_pat(pat
, endpat
,
8240 &ap
->allow_dirs
, TRUE
);
8241 if (reg_pat
!= NULL
)
8242 ap
->reg_prog
= vim_regcomp(reg_pat
, RE_MAGIC
);
8244 if (reg_pat
== NULL
|| ap
->reg_prog
== NULL
)
8254 if (group
== AUGROUP_ALL
)
8255 ap
->group
= current_augroup
;
8261 * Add the autocmd at the end of the AutoCmd list.
8263 prev_ac
= &(ap
->cmds
);
8264 while ((ac
= *prev_ac
) != NULL
)
8265 prev_ac
= &ac
->next
;
8266 ac
= (AutoCmd
*)alloc((unsigned)sizeof(AutoCmd
));
8269 ac
->cmd
= vim_strsave(cmd
);
8271 ac
->scriptID
= current_SID
;
8273 if (ac
->cmd
== NULL
)
8280 ac
->nested
= nested
;
8284 au_cleanup(); /* may really delete removed patterns/commands now */
8289 * Implementation of ":doautocmd [group] event [fname]".
8290 * Return OK for success, FAIL for failure;
8293 do_doautocmd(arg
, do_msg
)
8295 int do_msg
; /* give message for no matching autocmds? */
8298 int nothing_done
= TRUE
;
8302 * Check for a legal group name. If not, use AUGROUP_ALL.
8304 group
= au_get_grouparg(&arg
);
8305 if (arg
== NULL
) /* out of memory */
8310 EMSG(_("E217: Can't execute autocommands for ALL events"));
8315 * Scan over the events.
8316 * If we find an illegal name, return here, don't do anything.
8318 fname
= find_end_event(arg
, group
!= AUGROUP_ALL
);
8322 fname
= skipwhite(fname
);
8325 * Loop over the events.
8327 while (*arg
&& !vim_iswhite(*arg
))
8328 if (apply_autocmds_group(event_name2nr(arg
, &arg
),
8329 fname
, NULL
, TRUE
, group
, curbuf
, NULL
))
8330 nothing_done
= FALSE
;
8332 if (nothing_done
&& do_msg
)
8333 MSG(_("No matching autocommands"));
8336 return aborting() ? FAIL
: OK
;
8343 * ":doautoall": execute autocommands for each loaded buffer.
8354 * This is a bit tricky: For some commands curwin->w_buffer needs to be
8355 * equal to curbuf, but for some buffers there may not be a window.
8356 * So we change the buffer for the current window for a moment. This
8357 * gives problems when the autocommands make changes to the list of
8358 * buffers or windows...
8360 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8362 if (buf
->b_ml
.ml_mfp
!= NULL
)
8364 /* find a window for this buffer and save some values */
8365 aucmd_prepbuf(&aco
, buf
);
8367 /* execute the autocommands for this buffer */
8368 retval
= do_doautocmd(eap
->arg
, FALSE
);
8370 /* Execute the modeline settings, but don't set window-local
8371 * options if we are using the current window for another buffer. */
8372 do_modelines(curwin
== aucmd_win
? OPT_NOWIN
: 0);
8374 /* restore the current window */
8375 aucmd_restbuf(&aco
);
8377 /* stop if there is some error or buffer was deleted */
8378 if (retval
== FAIL
|| !buf_valid(buf
))
8383 check_cursor(); /* just in case lines got deleted */
8387 * Prepare for executing autocommands for (hidden) buffer "buf".
8388 * Search for a visible window containing the current buffer. If there isn't
8389 * one then use "aucmd_win".
8390 * Set "curbuf" and "curwin" to match "buf".
8391 * When FEAT_AUTOCMD is not defined another version is used, see below.
8394 aucmd_prepbuf(aco
, buf
)
8395 aco_save_T
*aco
; /* structure to save values in */
8396 buf_T
*buf
; /* new curbuf */
8403 /* Find a window that is for the new buffer */
8404 if (buf
== curbuf
) /* be quick when buf is curbuf */
8408 for (win
= firstwin
; win
!= NULL
; win
= win
->w_next
)
8409 if (win
->w_buffer
== buf
)
8415 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall
8416 * back to using the current window. */
8417 if (win
== NULL
&& aucmd_win
== NULL
)
8419 win_alloc_aucmd_win();
8420 if (aucmd_win
== NULL
)
8424 aco
->save_curwin
= curwin
;
8425 aco
->save_curbuf
= curbuf
;
8428 /* There is a window for "buf" in the current tab page, make it the
8429 * curwin. This is preferred, it has the least side effects (esp. if
8430 * "buf" is curbuf). */
8435 /* There is no window for "buf", use "aucmd_win". To minimize the side
8436 * effects, insert it in a the current tab page.
8437 * Anything related to a window (e.g., setting folds) may have
8438 * unexpected results. */
8439 aucmd_win
->w_buffer
= buf
;
8441 win_init_empty(aucmd_win
); /* set cursor and topline to safe values */
8444 /* Split the current window, put the aucmd_win in the upper half.
8445 * We don't want the BufEnter or WinEnter autocommands. */
8447 make_snapshot(SNAP_AUCMD_IDX
);
8450 (void)win_split_ins(0, WSP_TOP
, aucmd_win
, 0);
8451 (void)win_comp_pos(); /* recompute window positions */
8458 aco
->new_curwin
= curwin
;
8459 aco
->new_curbuf
= curbuf
;
8463 * Cleanup after executing autocommands for a (hidden) buffer.
8464 * Restore the window as it was (if possible).
8465 * When FEAT_AUTOCMD is not defined another version is used, see below.
8469 aco_save_T
*aco
; /* structure holding saved values */
8475 if (aco
->new_curwin
== aucmd_win
)
8477 --curbuf
->b_nwindows
;
8479 /* Find "aucmd_win", it can't be closed, but it may be in another tab
8480 * page. Do not trigger autocommands here. */
8482 if (curwin
!= aucmd_win
)
8487 FOR_ALL_TAB_WINDOWS(tp
, wp
)
8489 if (wp
== aucmd_win
)
8492 goto_tabpage_tp(tp
);
8493 win_goto(aucmd_win
);
8499 /* Remove the window and frame from the tree of frames. */
8500 (void)winframe_remove(curwin
, &dummy
, NULL
);
8501 win_remove(curwin
, NULL
);
8502 last_status(FALSE
); /* may need to remove last status line */
8503 restore_snapshot(SNAP_AUCMD_IDX
, FALSE
);
8504 (void)win_comp_pos(); /* recompute window positions */
8507 if (win_valid(aco
->save_curwin
))
8508 curwin
= aco
->save_curwin
;
8510 /* Hmm, original window disappeared. Just use the first one. */
8513 vars_clear(&aucmd_win
->w_vars
.dv_hashtab
); /* free all w: variables */
8516 curwin
= aco
->save_curwin
;
8518 curbuf
= curwin
->w_buffer
;
8520 /* the buffer contents may have changed */
8522 if (curwin
->w_topline
> curbuf
->b_ml
.ml_line_count
)
8524 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
8526 curwin
->w_topfill
= 0;
8529 #if defined(FEAT_GUI)
8530 /* Hide the scrollbars from the aucmd_win and update. */
8531 gui_mch_enable_scrollbar(&aucmd_win
->w_scrollbars
[SBAR_LEFT
], FALSE
);
8532 gui_mch_enable_scrollbar(&aucmd_win
->w_scrollbars
[SBAR_RIGHT
], FALSE
);
8533 gui_may_update_scrollbars();
8538 /* restore curwin */
8540 if (win_valid(aco
->save_curwin
))
8543 /* Restore the buffer which was previously edited by curwin, if
8544 * it was chagned, we are still the same window and the buffer is
8546 if (curwin
== aco
->new_curwin
8547 && curbuf
!= aco
->new_curbuf
8548 && buf_valid(aco
->new_curbuf
)
8549 && aco
->new_curbuf
->b_ml
.ml_mfp
!= NULL
)
8551 --curbuf
->b_nwindows
;
8552 curbuf
= aco
->new_curbuf
;
8553 curwin
->w_buffer
= curbuf
;
8554 ++curbuf
->b_nwindows
;
8557 curwin
= aco
->save_curwin
;
8558 curbuf
= curwin
->w_buffer
;
8563 static int autocmd_nested
= FALSE
;
8566 * Execute autocommands for "event" and file name "fname".
8567 * Return TRUE if some commands were executed.
8570 apply_autocmds(event
, fname
, fname_io
, force
, buf
)
8572 char_u
*fname
; /* NULL or empty means use actual file name */
8573 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8574 int force
; /* when TRUE, ignore autocmd_busy */
8575 buf_T
*buf
; /* buffer for <abuf> */
8577 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8578 AUGROUP_ALL
, buf
, NULL
);
8582 * Like apply_autocmds(), but with extra "eap" argument. This takes care of
8583 * setting v:filearg.
8586 apply_autocmds_exarg(event
, fname
, fname_io
, force
, buf
, eap
)
8594 return apply_autocmds_group(event
, fname
, fname_io
, force
,
8595 AUGROUP_ALL
, buf
, eap
);
8599 * Like apply_autocmds(), but handles the caller's retval. If the script
8600 * processing is being aborted or if retval is FAIL when inside a try
8601 * conditional, no autocommands are executed. If otherwise the autocommands
8602 * cause the script to be aborted, retval is set to FAIL.
8605 apply_autocmds_retval(event
, fname
, fname_io
, force
, buf
, retval
)
8607 char_u
*fname
; /* NULL or empty means use actual file name */
8608 char_u
*fname_io
; /* fname to use for <afile> on cmdline */
8609 int force
; /* when TRUE, ignore autocmd_busy */
8610 buf_T
*buf
; /* buffer for <abuf> */
8611 int *retval
; /* pointer to caller's retval */
8616 if (should_abort(*retval
))
8620 did_cmd
= apply_autocmds_group(event
, fname
, fname_io
, force
,
8621 AUGROUP_ALL
, buf
, NULL
);
8632 * Return TRUE when there is a CursorHold autocommand defined.
8637 return (first_autopat
[(int)(get_real_state() == NORMAL_BUSY
8638 ? EVENT_CURSORHOLD
: EVENT_CURSORHOLDI
)] != NULL
);
8642 * Return TRUE if the CursorHold event can be triggered.
8645 trigger_cursorhold()
8649 if (!did_cursorhold
&& has_cursorhold() && !Recording
8650 #ifdef FEAT_INS_EXPAND
8651 && !ins_compl_active()
8655 state
= get_real_state();
8656 if (state
== NORMAL_BUSY
|| (state
& INSERT
) != 0)
8663 * Return TRUE when there is a CursorMoved autocommand defined.
8668 return (first_autopat
[(int)EVENT_CURSORMOVED
] != NULL
);
8672 * Return TRUE when there is a CursorMovedI autocommand defined.
8677 return (first_autopat
[(int)EVENT_CURSORMOVEDI
] != NULL
);
8681 apply_autocmds_group(event
, fname
, fname_io
, force
, group
, buf
, eap
)
8683 char_u
*fname
; /* NULL or empty means use actual file name */
8684 char_u
*fname_io
; /* fname to use for <afile> on cmdline, NULL means
8686 int force
; /* when TRUE, ignore autocmd_busy */
8687 int group
; /* group ID, or AUGROUP_ALL */
8688 buf_T
*buf
; /* buffer for <abuf> */
8689 exarg_T
*eap
; /* command arguments */
8691 char_u
*sfname
= NULL
; /* short file name */
8696 char_u
*save_sourcing_name
;
8697 linenr_T save_sourcing_lnum
;
8698 char_u
*save_autocmd_fname
;
8699 int save_autocmd_fname_full
;
8700 int save_autocmd_bufnr
;
8701 char_u
*save_autocmd_match
;
8702 int save_autocmd_busy
;
8703 int save_autocmd_nested
;
8704 static int nesting
= 0;
8708 scid_T save_current_SID
;
8709 void *save_funccalp
;
8710 char_u
*save_cmdarg
;
8713 static int filechangeshell_busy
= FALSE
;
8715 proftime_T wait_time
;
8719 * Quickly return if there are no autocommands for this event or
8720 * autocommands are blocked.
8722 if (first_autopat
[(int)event
] == NULL
|| autocmd_blocked
> 0)
8726 * When autocommands are busy, new autocommands are only executed when
8727 * explicitly enabled with the "nested" flag.
8729 if (autocmd_busy
&& !(force
|| autocmd_nested
))
8734 * Quickly return when immediately aborting on error, or when an interrupt
8735 * occurred or an exception was thrown but not caught.
8742 * FileChangedShell never nests, because it can create an endless loop.
8744 if (filechangeshell_busy
&& (event
== EVENT_FILECHANGEDSHELL
8745 || event
== EVENT_FILECHANGEDSHELLPOST
))
8749 * Ignore events in 'eventignore'.
8751 if (event_ignored(event
))
8755 * Allow nesting of autocommands, but restrict the depth, because it's
8756 * possible to create an endless loop.
8760 EMSG(_("E218: autocommand nesting too deep"));
8765 * Check if these autocommands are disabled. Used when doing ":all" or
8768 if ( (autocmd_no_enter
8769 && (event
== EVENT_WINENTER
|| event
== EVENT_BUFENTER
))
8770 || (autocmd_no_leave
8771 && (event
== EVENT_WINLEAVE
|| event
== EVENT_BUFLEAVE
)))
8775 * Save the autocmd_* variables and info about the current buffer.
8777 save_autocmd_fname
= autocmd_fname
;
8778 save_autocmd_fname_full
= autocmd_fname_full
;
8779 save_autocmd_bufnr
= autocmd_bufnr
;
8780 save_autocmd_match
= autocmd_match
;
8781 save_autocmd_busy
= autocmd_busy
;
8782 save_autocmd_nested
= autocmd_nested
;
8783 save_changed
= curbuf
->b_changed
;
8784 old_curbuf
= curbuf
;
8787 * Set the file name to be used for <afile>.
8788 * Make a copy to avoid that changing a buffer name or directory makes it
8791 if (fname_io
== NULL
)
8793 if (fname
!= NULL
&& *fname
!= NUL
)
8794 autocmd_fname
= fname
;
8795 else if (buf
!= NULL
)
8796 autocmd_fname
= buf
->b_ffname
;
8798 autocmd_fname
= NULL
;
8801 autocmd_fname
= fname_io
;
8802 if (autocmd_fname
!= NULL
)
8803 autocmd_fname
= vim_strsave(autocmd_fname
);
8804 autocmd_fname_full
= FALSE
; /* call FullName_save() later */
8807 * Set the buffer number to be used for <abuf>.
8812 autocmd_bufnr
= buf
->b_fnum
;
8815 * When the file name is NULL or empty, use the file name of buffer "buf".
8816 * Always use the full path of the file name to match with, in case
8817 * "allow_dirs" is set.
8819 if (fname
== NULL
|| *fname
== NUL
)
8826 if (event
== EVENT_SYNTAX
)
8827 fname
= buf
->b_p_syn
;
8830 if (event
== EVENT_FILETYPE
)
8831 fname
= buf
->b_p_ft
;
8834 if (buf
->b_sfname
!= NULL
)
8835 sfname
= vim_strsave(buf
->b_sfname
);
8836 fname
= buf
->b_ffname
;
8840 fname
= (char_u
*)"";
8841 fname
= vim_strsave(fname
); /* make a copy, so we can change it */
8845 sfname
= vim_strsave(fname
);
8846 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or
8848 if (event
== EVENT_FILETYPE
8849 || event
== EVENT_SYNTAX
8850 || event
== EVENT_FUNCUNDEFINED
8851 || event
== EVENT_REMOTEREPLY
8852 || event
== EVENT_SPELLFILEMISSING
8853 || event
== EVENT_QUICKFIXCMDPRE
8854 || event
== EVENT_QUICKFIXCMDPOST
)
8855 fname
= vim_strsave(fname
);
8857 fname
= FullName_save(fname
, FALSE
);
8859 if (fname
== NULL
) /* out of memory */
8866 #ifdef BACKSLASH_IN_FILENAME
8868 * Replace all backslashes with forward slashes. This makes the
8869 * autocommand patterns portable between Unix and MS-DOS.
8872 forward_slash(sfname
);
8873 forward_slash(fname
);
8877 /* remove version for correct match */
8879 vms_remove_version(sfname
);
8880 vms_remove_version(fname
);
8884 * Set the name to be used for <amatch>.
8886 autocmd_match
= fname
;
8889 /* Don't redraw while doing auto commands. */
8890 ++RedrawingDisabled
;
8891 save_sourcing_name
= sourcing_name
;
8892 sourcing_name
= NULL
; /* don't free this one */
8893 save_sourcing_lnum
= sourcing_lnum
;
8894 sourcing_lnum
= 0; /* no line number here */
8897 save_current_SID
= current_SID
;
8899 # ifdef FEAT_PROFILE
8900 if (do_profiling
== PROF_YES
)
8901 prof_child_enter(&wait_time
); /* doesn't count for the caller itself */
8904 /* Don't use local function variables, if called from a function */
8905 save_funccalp
= save_funccal();
8909 * When starting to execute autocommands, save the search patterns.
8913 save_search_patterns();
8915 did_filetype
= keep_filetype
;
8919 * Note that we are applying autocmds. Some commands need to know.
8921 autocmd_busy
= TRUE
;
8922 filechangeshell_busy
= (event
== EVENT_FILECHANGEDSHELL
);
8923 ++nesting
; /* see matching decrement below */
8925 /* Remember that FileType was triggered. Used for did_filetype(). */
8926 if (event
== EVENT_FILETYPE
)
8927 did_filetype
= TRUE
;
8929 tail
= gettail(fname
);
8931 /* Find first autocommand that matches */
8932 patcmd
.curpat
= first_autopat
[(int)event
];
8933 patcmd
.nextcmd
= NULL
;
8934 patcmd
.group
= group
;
8935 patcmd
.fname
= fname
;
8936 patcmd
.sfname
= sfname
;
8938 patcmd
.event
= event
;
8939 patcmd
.arg_bufnr
= autocmd_bufnr
;
8941 auto_next_pat(&patcmd
, FALSE
);
8943 /* found one, start executing the autocommands */
8944 if (patcmd
.curpat
!= NULL
)
8946 /* add to active_apc_list */
8947 patcmd
.next
= active_apc_list
;
8948 active_apc_list
= &patcmd
;
8951 /* set v:cmdarg (only when there is a matching pattern) */
8952 save_cmdbang
= get_vim_var_nr(VV_CMDBANG
);
8955 save_cmdarg
= set_cmdarg(eap
, NULL
);
8956 set_vim_var_nr(VV_CMDBANG
, (long)eap
->forceit
);
8959 save_cmdarg
= NULL
; /* avoid gcc warning */
8962 /* mark the last pattern, to avoid an endless loop when more patterns
8963 * are added when executing autocommands */
8964 for (ap
= patcmd
.curpat
; ap
->next
!= NULL
; ap
= ap
->next
)
8967 check_lnums(TRUE
); /* make sure cursor and topline are valid */
8968 do_cmdline(NULL
, getnextac
, (void *)&patcmd
,
8969 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
8973 (void)set_cmdarg(NULL
, save_cmdarg
);
8974 set_vim_var_nr(VV_CMDBANG
, save_cmdbang
);
8977 /* delete from active_apc_list */
8978 if (active_apc_list
== &patcmd
) /* just in case */
8979 active_apc_list
= patcmd
.next
;
8982 --RedrawingDisabled
;
8983 autocmd_busy
= save_autocmd_busy
;
8984 filechangeshell_busy
= FALSE
;
8985 autocmd_nested
= save_autocmd_nested
;
8986 vim_free(sourcing_name
);
8987 sourcing_name
= save_sourcing_name
;
8988 sourcing_lnum
= save_sourcing_lnum
;
8989 vim_free(autocmd_fname
);
8990 autocmd_fname
= save_autocmd_fname
;
8991 autocmd_fname_full
= save_autocmd_fname_full
;
8992 autocmd_bufnr
= save_autocmd_bufnr
;
8993 autocmd_match
= save_autocmd_match
;
8995 current_SID
= save_current_SID
;
8996 restore_funccal(save_funccalp
);
8997 # ifdef FEAT_PROFILE
8998 if (do_profiling
== PROF_YES
)
8999 prof_child_exit(&wait_time
);
9004 --nesting
; /* see matching increment above */
9007 * When stopping to execute autocommands, restore the search patterns and
9012 restore_search_patterns();
9014 did_filetype
= FALSE
;
9018 * Some events don't set or reset the Changed flag.
9019 * Check if still in the same buffer!
9021 if (curbuf
== old_curbuf
9022 && (event
== EVENT_BUFREADPOST
9023 || event
== EVENT_BUFWRITEPOST
9024 || event
== EVENT_FILEAPPENDPOST
9025 || event
== EVENT_VIMLEAVE
9026 || event
== EVENT_VIMLEAVEPRE
))
9029 if (curbuf
->b_changed
!= save_changed
)
9030 need_maketitle
= TRUE
;
9032 curbuf
->b_changed
= save_changed
;
9035 au_cleanup(); /* may really delete removed patterns/commands now */
9038 /* When wiping out a buffer make sure all its buffer-local autocommands
9040 if (event
== EVENT_BUFWIPEOUT
&& buf
!= NULL
)
9041 aubuflocal_remove(buf
);
9047 static char_u
*old_termresponse
= NULL
;
9051 * Block triggering autocommands until unblock_autocmd() is called.
9052 * Can be used recursively, so long as it's symmetric.
9058 /* Remember the value of v:termresponse. */
9059 if (autocmd_blocked
== 0)
9060 old_termresponse
= get_vim_var_str(VV_TERMRESPONSE
);
9071 /* When v:termresponse was set while autocommands were blocked, trigger
9072 * the autocommands now. Esp. useful when executing a shell command
9073 * during startup (vimdiff). */
9074 if (autocmd_blocked
== 0
9075 && get_vim_var_str(VV_TERMRESPONSE
) != old_termresponse
)
9076 apply_autocmds(EVENT_TERMRESPONSE
, NULL
, NULL
, FALSE
, curbuf
);
9081 * Find next autocommand pattern that matches.
9084 auto_next_pat(apc
, stop_at_last
)
9086 int stop_at_last
; /* stop when 'last' flag is set */
9093 vim_free(sourcing_name
);
9094 sourcing_name
= NULL
;
9096 for (ap
= apc
->curpat
; ap
!= NULL
&& !got_int
; ap
= ap
->next
)
9100 /* Only use a pattern when it has not been removed, has commands and
9101 * the group matches. For buffer-local autocommands only check the
9103 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9104 && (apc
->group
== AUGROUP_ALL
|| apc
->group
== ap
->group
))
9106 /* execution-condition */
9107 if (ap
->buflocal_nr
== 0
9108 ? (match_file_pat(NULL
, ap
->reg_prog
, apc
->fname
,
9109 apc
->sfname
, apc
->tail
, ap
->allow_dirs
))
9110 : ap
->buflocal_nr
== apc
->arg_bufnr
)
9112 name
= event_nr2name(apc
->event
);
9113 s
= _("%s Auto commands for \"%s\"");
9114 sourcing_name
= alloc((unsigned)(STRLEN(s
)
9115 + STRLEN(name
) + ap
->patlen
+ 1));
9116 if (sourcing_name
!= NULL
)
9118 sprintf((char *)sourcing_name
, s
,
9119 (char *)name
, (char *)ap
->pat
);
9123 smsg((char_u
*)_("Executing %s"), sourcing_name
);
9129 apc
->nextcmd
= ap
->cmds
;
9130 /* mark last command */
9131 for (cp
= ap
->cmds
; cp
->next
!= NULL
; cp
= cp
->next
)
9136 if (apc
->curpat
!= NULL
) /* found a match */
9139 if (stop_at_last
&& ap
->last
)
9145 * Get next autocommand command.
9146 * Called by do_cmdline() to get the next line for ":if".
9147 * Returns allocated string, or NULL for end of autocommands.
9150 getnextac(c
, cookie
, indent
)
9155 AutoPatCmd
*acp
= (AutoPatCmd
*)cookie
;
9159 /* Can be called again after returning the last line. */
9160 if (acp
->curpat
== NULL
)
9163 /* repeat until we find an autocommand to execute */
9166 /* skip removed commands */
9167 while (acp
->nextcmd
!= NULL
&& acp
->nextcmd
->cmd
== NULL
)
9168 if (acp
->nextcmd
->last
)
9169 acp
->nextcmd
= NULL
;
9171 acp
->nextcmd
= acp
->nextcmd
->next
;
9173 if (acp
->nextcmd
!= NULL
)
9176 /* at end of commands, find next pattern that matches */
9177 if (acp
->curpat
->last
)
9180 acp
->curpat
= acp
->curpat
->next
;
9181 if (acp
->curpat
!= NULL
)
9182 auto_next_pat(acp
, TRUE
);
9183 if (acp
->curpat
== NULL
)
9191 verbose_enter_scroll();
9192 smsg((char_u
*)_("autocommand %s"), ac
->cmd
);
9193 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
9194 verbose_leave_scroll();
9196 retval
= vim_strsave(ac
->cmd
);
9197 autocmd_nested
= ac
->nested
;
9199 current_SID
= ac
->scriptID
;
9202 acp
->nextcmd
= NULL
;
9204 acp
->nextcmd
= ac
->next
;
9209 * Return TRUE if there is a matching autocommand for "fname".
9210 * To account for buffer-local autocommands, function needs to know
9211 * in which buffer the file will be opened.
9214 has_autocmd(event
, sfname
, buf
)
9221 char_u
*tail
= gettail(sfname
);
9224 fname
= FullName_save(sfname
, FALSE
);
9228 #ifdef BACKSLASH_IN_FILENAME
9230 * Replace all backslashes with forward slashes. This makes the
9231 * autocommand patterns portable between Unix and MS-DOS.
9233 sfname
= vim_strsave(sfname
);
9235 forward_slash(sfname
);
9236 forward_slash(fname
);
9239 for (ap
= first_autopat
[(int)event
]; ap
!= NULL
; ap
= ap
->next
)
9240 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9241 && (ap
->buflocal_nr
== 0
9242 ? match_file_pat(NULL
, ap
->reg_prog
,
9243 fname
, sfname
, tail
, ap
->allow_dirs
)
9244 : buf
!= NULL
&& ap
->buflocal_nr
== buf
->b_fnum
9252 #ifdef BACKSLASH_IN_FILENAME
9259 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
9261 * Function given to ExpandGeneric() to obtain the list of autocommand group
9265 get_augroup_name(xp
, idx
)
9266 expand_T
*xp UNUSED
;
9269 if (idx
== augroups
.ga_len
) /* add "END" add the end */
9270 return (char_u
*)"END";
9271 if (idx
>= augroups
.ga_len
) /* end of list */
9273 if (AUGROUP_NAME(idx
) == NULL
) /* skip deleted entries */
9274 return (char_u
*)"";
9275 return AUGROUP_NAME(idx
); /* return a name */
9278 static int include_groups
= FALSE
;
9281 set_context_in_autocmd(xp
, arg
, doautocmd
)
9284 int doautocmd
; /* TRUE for :doauto*, FALSE for :autocmd */
9289 /* check for a group name, skip it if present */
9290 include_groups
= FALSE
;
9292 group
= au_get_grouparg(&arg
);
9293 if (group
== AUGROUP_ERROR
)
9295 /* If there only is a group name that's what we expand. */
9296 if (*arg
== NUL
&& group
!= AUGROUP_ALL
&& !vim_iswhite(arg
[-1]))
9299 group
= AUGROUP_ALL
;
9302 /* skip over event name */
9303 for (p
= arg
; *p
!= NUL
&& !vim_iswhite(*p
); ++p
)
9308 if (group
== AUGROUP_ALL
)
9309 include_groups
= TRUE
;
9310 xp
->xp_context
= EXPAND_EVENTS
; /* expand event name */
9311 xp
->xp_pattern
= arg
;
9315 /* skip over pattern */
9317 while (*arg
&& (!vim_iswhite(*arg
) || arg
[-1] == '\\'))
9320 return arg
; /* expand (next) command */
9323 xp
->xp_context
= EXPAND_FILES
; /* expand file names */
9325 xp
->xp_context
= EXPAND_NOTHING
; /* pattern is not expanded */
9330 * Function given to ExpandGeneric() to obtain the list of event names.
9333 get_event_name(xp
, idx
)
9334 expand_T
*xp UNUSED
;
9337 if (idx
< augroups
.ga_len
) /* First list group names, if wanted */
9339 if (!include_groups
|| AUGROUP_NAME(idx
) == NULL
)
9340 return (char_u
*)""; /* skip deleted entries */
9341 return AUGROUP_NAME(idx
); /* return a name */
9343 return (char_u
*)event_names
[idx
- augroups
.ga_len
].name
;
9346 #endif /* FEAT_CMDL_COMPL */
9349 * Return TRUE if autocmd is supported.
9352 autocmd_supported(name
)
9357 return (event_name2nr(name
, &p
) != NUM_EVENTS
);
9361 * Return TRUE if an autocommand is defined for a group, event and
9362 * pattern: The group can be omitted to accept any group. "event" and "pattern"
9363 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept
9364 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted.
9366 * exists("#Group") or
9367 * exists("#Group#Event") or
9368 * exists("#Group#Event#pat") or
9369 * exists("#Event") or
9370 * exists("#Event#pat")
9377 char_u
*pattern
= NULL
;
9382 buf_T
*buflocal_buf
= NULL
;
9386 /* Make a copy so that we can change the '#' chars to a NUL. */
9387 arg_save
= vim_strsave(arg
);
9388 if (arg_save
== NULL
)
9390 p
= vim_strchr(arg_save
, '#');
9394 /* First, look for an autocmd group name */
9395 group
= au_find_group(arg_save
);
9396 if (group
== AUGROUP_ERROR
)
9398 /* Didn't match a group name, assume the first argument is an event. */
9399 group
= AUGROUP_ALL
;
9400 event_name
= arg_save
;
9406 /* "Group": group name is present and it's recognized */
9411 /* Must be "Group#Event" or "Group#Event#pat". */
9413 p
= vim_strchr(event_name
, '#');
9415 *p
++ = NUL
; /* "Group#Event#pat" */
9418 pattern
= p
; /* "pattern" is NULL when there is no pattern */
9420 /* find the index (enum) for the event name */
9421 event
= event_name2nr(event_name
, &p
);
9423 /* return FALSE if the event name is not recognized */
9424 if (event
== NUM_EVENTS
)
9427 /* Find the first autocommand for this event.
9428 * If there isn't any, return FALSE;
9429 * If there is one and no pattern given, return TRUE; */
9430 ap
= first_autopat
[(int)event
];
9433 if (pattern
== NULL
)
9439 /* if pattern is "<buffer>", special handling is needed which uses curbuf */
9440 /* for pattern "<buffer=N>, fnamecmp() will work fine */
9441 if (STRICMP(pattern
, "<buffer>") == 0)
9442 buflocal_buf
= curbuf
;
9444 /* Check if there is an autocommand with the given pattern. */
9445 for ( ; ap
!= NULL
; ap
= ap
->next
)
9446 /* only use a pattern when it has not been removed and has commands. */
9447 /* For buffer-local autocommands, fnamecmp() works fine. */
9448 if (ap
->pat
!= NULL
&& ap
->cmds
!= NULL
9449 && (group
== AUGROUP_ALL
|| ap
->group
== group
)
9450 && (buflocal_buf
== NULL
9451 ? fnamecmp(ap
->pat
, pattern
) == 0
9452 : ap
->buflocal_nr
== buflocal_buf
->b_fnum
))
9463 #else /* FEAT_AUTOCMD */
9466 * Prepare for executing commands for (hidden) buffer "buf".
9467 * This is the non-autocommand version, it simply saves "curbuf" and sets
9468 * "curbuf" and "curwin" to match "buf".
9471 aucmd_prepbuf(aco
, buf
)
9472 aco_save_T
*aco
; /* structure to save values in */
9473 buf_T
*buf
; /* new curbuf */
9475 aco
->save_curbuf
= curbuf
;
9476 --curbuf
->b_nwindows
;
9478 curwin
->w_buffer
= buf
;
9479 ++curbuf
->b_nwindows
;
9483 * Restore after executing commands for a (hidden) buffer.
9484 * This is the non-autocommand version.
9488 aco_save_T
*aco
; /* structure holding saved values */
9490 --curbuf
->b_nwindows
;
9491 curbuf
= aco
->save_curbuf
;
9492 curwin
->w_buffer
= curbuf
;
9493 ++curbuf
->b_nwindows
;
9496 #endif /* FEAT_AUTOCMD */
9499 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO)
9501 * Try matching a filename with a "pattern" ("prog" is NULL), or use the
9502 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling
9503 * vim_regcomp() often.
9504 * Used for autocommands and 'wildignore'.
9505 * Returns TRUE if there is a match, FALSE otherwise.
9508 match_file_pat(pattern
, prog
, fname
, sfname
, tail
, allow_dirs
)
9509 char_u
*pattern
; /* pattern to match with */
9510 regprog_T
*prog
; /* pre-compiled regprog or NULL */
9511 char_u
*fname
; /* full path of file name */
9512 char_u
*sfname
; /* short file name or NULL */
9513 char_u
*tail
; /* tail of path */
9514 int allow_dirs
; /* allow matching with dir */
9516 regmatch_T regmatch
;
9518 #ifdef FEAT_OSFILETYPE
9519 int no_pattern
= FALSE
; /* TRUE if check is filetype only */
9525 #ifdef CASE_INSENSITIVE_FILENAME
9526 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
9528 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
9530 #ifdef FEAT_OSFILETYPE
9531 if (*pattern
== '<')
9533 /* There is a filetype condition specified with this pattern.
9534 * Check the filetype matches first. If not, don't bother with the
9535 * pattern (set regprog to NULL).
9536 * Always use magic for the regexp.
9539 for (type_start
= pattern
+ 1; (c
= *pattern
); pattern
++)
9541 if ((c
== ';' || c
== '>') && match
== FALSE
)
9543 *pattern
= NUL
; /* Terminate the string */
9544 match
= mch_check_filetype(fname
, type_start
);
9545 *pattern
= c
; /* Restore the terminator */
9546 type_start
= pattern
+ 1;
9552 /* (c should never be NUL, but check anyway) */
9553 if (match
== FALSE
|| c
== NUL
)
9554 regmatch
.regprog
= NULL
; /* Doesn't match - don't check pat. */
9555 else if (*pattern
== NUL
)
9557 regmatch
.regprog
= NULL
; /* Vim will try to free regprog later */
9558 no_pattern
= TRUE
; /* Always matches - don't check pat. */
9561 regmatch
.regprog
= vim_regcomp(pattern
+ 1, RE_MAGIC
);
9567 regmatch
.regprog
= prog
;
9569 regmatch
.regprog
= vim_regcomp(pattern
, RE_MAGIC
);
9573 * Try for a match with the pattern with:
9574 * 1. the full file name, when the pattern has a '/'.
9575 * 2. the short file name, when the pattern has a '/'.
9576 * 3. the tail of the file name, when the pattern has no '/'.
9579 #ifdef FEAT_OSFILETYPE
9580 /* If the check is for a filetype only and we don't care
9581 * about the path then skip all the regexp stuff.
9585 (regmatch
.regprog
!= NULL
9587 && (vim_regexec(®match
, fname
, (colnr_T
)0)
9589 && vim_regexec(®match
, sfname
, (colnr_T
)0))))
9590 || (!allow_dirs
&& vim_regexec(®match
, tail
, (colnr_T
)0)))))
9594 vim_free(regmatch
.regprog
);
9599 #if defined(FEAT_WILDIGN) || defined(PROTO)
9601 * Return TRUE if a file matches with a pattern in "list".
9602 * "list" is a comma-separated list of patterns, like 'wildignore'.
9603 * "sfname" is the short file name or NULL, "ffname" the long file name.
9606 match_file_list(list
, sfname
, ffname
)
9618 tail
= gettail(sfname
);
9620 /* try all patterns in 'wildignore' */
9624 copy_option_part(&p
, buf
, 100, ",");
9625 regpat
= file_pat_to_reg_pat(buf
, NULL
, &allow_dirs
, FALSE
);
9628 match
= match_file_pat(regpat
, NULL
, ffname
, sfname
,
9629 tail
, (int)allow_dirs
);
9639 * Convert the given pattern "pat" which has shell style wildcards in it, into
9640 * a regular expression, and return the result in allocated memory. If there
9641 * is a directory path separator to be matched, then TRUE is put in
9642 * allow_dirs, otherwise FALSE is put there -- webb.
9643 * Handle backslashes before special characters, like "\*" and "\ ".
9645 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg:
9646 * '<html>myfile' becomes '<html>^myfile$' -- leonard.
9648 * Returns NULL when out of memory.
9651 file_pat_to_reg_pat(pat
, pat_end
, allow_dirs
, no_bslash
)
9653 char_u
*pat_end
; /* first char after pattern or NULL */
9654 char *allow_dirs
; /* Result passed back out in here */
9655 int no_bslash UNUSED
; /* Don't use a backward slash as pathsep */
9663 int add_dollar
= TRUE
;
9664 #ifdef FEAT_OSFILETYPE
9665 int check_length
= 0;
9668 if (allow_dirs
!= NULL
)
9669 *allow_dirs
= FALSE
;
9670 if (pat_end
== NULL
)
9671 pat_end
= pat
+ STRLEN(pat
);
9673 #ifdef FEAT_OSFILETYPE
9674 /* Find out how much of the string is the filetype check */
9677 /* Count chars until the next '>' */
9678 for (p
= pat
+ 1; p
< pat_end
&& *p
!= '>'; p
++)
9682 /* Pattern is of the form <.*>.* */
9683 check_length
= p
- pat
+ 1;
9684 if (p
+ 1 >= pat_end
)
9686 /* The 'pattern' is a filetype check ONLY */
9687 reg_pat
= (char_u
*)alloc(check_length
+ 1);
9688 if (reg_pat
!= NULL
)
9690 mch_memmove(reg_pat
, pat
, (size_t)check_length
);
9691 reg_pat
[check_length
] = NUL
;
9696 /* else: there was no closing '>' - assume it was a normal pattern */
9699 pat
+= check_length
;
9700 size
= 2 + check_length
;
9702 size
= 2; /* '^' at start, '$' at end */
9705 for (p
= pat
; p
< pat_end
; p
++)
9715 size
+= 2; /* extra backslash */
9717 #ifdef BACKSLASH_IN_FILENAME
9720 size
+= 4; /* could become "[\/]" */
9726 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9735 reg_pat
= alloc(size
+ 1);
9736 if (reg_pat
== NULL
)
9739 #ifdef FEAT_OSFILETYPE
9740 /* Copy the type check in to the start. */
9742 mch_memmove(reg_pat
, pat
- check_length
, (size_t)check_length
);
9749 while (pat
[0] == '*' && pat
< pat_end
- 1)
9756 while (endp
- pat
> 0 && *endp
== '*')
9760 for (p
= pat
; *p
&& nested
>= 0 && p
<= endp
; p
++)
9767 while (p
[1] == '*') /* "**" matches like "*" */
9772 if (allow_dirs
!= NULL
)
9777 reg_pat
[i
++] = '\\';
9789 #ifdef BACKSLASH_IN_FILENAME
9793 * "\x" to "\\x" e.g., "dir\file"
9794 * "\*" to "\\.*" e.g., "dir\*.c"
9795 * "\?" to "\\." e.g., "dir\??.c"
9796 * "\+" to "\+" e.g., "fileX\+.c"
9798 if ((vim_isfilec(p
[1]) || p
[1] == '*' || p
[1] == '?')
9802 reg_pat
[i
++] = '\\';
9805 if (allow_dirs
!= NULL
)
9812 #ifdef BACKSLASH_IN_FILENAME
9822 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
)
9823 #ifdef BACKSLASH_IN_FILENAME
9824 && (!no_bslash
|| *p
!= '\\')
9828 reg_pat
[i
++] = '\\';
9832 #ifdef BACKSLASH_IN_FILENAME
9835 reg_pat
[i
++] = '\\';
9838 if (allow_dirs
!= NULL
)
9843 reg_pat
[i
++] = '\\';
9848 reg_pat
[i
++] = '\\';
9855 reg_pat
[i
++] = '\\';
9863 if (enc_dbcs
!= 0 && (*mb_ptr2len
)(p
) > 1)
9864 reg_pat
[i
++] = *p
++;
9867 if (allow_dirs
!= NULL
&& vim_ispathsep(*p
))
9879 EMSG(_("E219: Missing {."));
9881 EMSG(_("E220: Missing }."));