Mercurial > vim
annotate src/fileio.c @ 2666:1a0d346695fa v7.3.085
updated for version 7.3.085
Problem: Inconsistency with preproc symbols. void * computation.
Solution: Include vimio.h from vim.h. Add type cast.
author | Bram Moolenaar <bram@vim.org> |
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date | Fri, 17 Dec 2010 18:06:06 +0100 |
parents | 033e7b49356c |
children | 951641b8784d |
rev | line source |
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7 | 1 /* vi:set ts=8 sts=4 sw=4: |
2 * | |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
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. | |
8 */ | |
9 | |
10 /* | |
11 * fileio.c: read from and write to a file | |
12 */ | |
13 | |
14 #include "vim.h" | |
15 | |
2014 | 16 #if defined(__TANDEM) || defined(__MINT__) |
7 | 17 # include <limits.h> /* for SSIZE_MAX */ |
18 #endif | |
19 | |
20 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
21 # include <utime.h> /* for struct utimbuf */ | |
22 #endif | |
23 | |
24 #define BUFSIZE 8192 /* size of normal write buffer */ | |
25 #define SMBUFSIZE 256 /* size of emergency write buffer */ | |
26 | |
27 #ifdef FEAT_CRYPT | |
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28 /* crypt_magic[0] is pkzip crypt, crypt_magic[1] is sha2+blowfish */ |
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29 static char *crypt_magic[] = {"VimCrypt~01!", "VimCrypt~02!"}; |
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30 static char crypt_magic_head[] = "VimCrypt~"; |
7 | 31 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */ |
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32 |
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33 /* For blowfish, after the magic header, we store 8 bytes of salt and then 8 |
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34 * bytes of seed (initialisation vector). */ |
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35 static int crypt_salt_len[] = {0, 8}; |
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36 static int crypt_seed_len[] = {0, 8}; |
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37 #define CRYPT_SALT_LEN_MAX 8 |
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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38 #define CRYPT_SEED_LEN_MAX 8 |
7 | 39 #endif |
40 | |
41 /* Is there any system that doesn't have access()? */ | |
574 | 42 #define USE_MCH_ACCESS |
7 | 43 |
1313 | 44 #if defined(sun) && defined(S_ISCHR) |
45 # define OPEN_CHR_FILES | |
46 static int is_dev_fd_file(char_u *fname); | |
47 #endif | |
7 | 48 #ifdef FEAT_MBYTE |
49 static char_u *next_fenc __ARGS((char_u **pp)); | |
50 # ifdef FEAT_EVAL | |
51 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
52 # endif | |
53 #endif | |
54 #ifdef FEAT_VIMINFO | |
55 static void check_marks_read __ARGS((void)); | |
56 #endif | |
57 #ifdef FEAT_CRYPT | |
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58 static int crypt_method_from_magic __ARGS((char *ptr, int len)); |
2267 | 59 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, off_t *filesizep, int newfile, char_u *fname, int *did_ask)); |
7 | 60 #endif |
61 #ifdef UNIX | |
62 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
63 #endif | |
633 | 64 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
7 | 65 static int msg_add_fileformat __ARGS((int eol_type)); |
66 static void msg_add_eol __ARGS((void)); | |
67 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
68 static int time_differs __ARGS((long t1, long t2)); | |
69 #ifdef FEAT_AUTOCMD | |
661 | 70 static int apply_autocmds_exarg __ARGS((event_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, exarg_T *eap)); |
676 | 71 static int au_find_group __ARGS((char_u *name)); |
72 | |
73 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
1834 | 74 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
676 | 75 # define AUGROUP_ALL -3 /* all autocmd groups */ |
7 | 76 #endif |
77 | |
78 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
79 # define HAS_BW_FLAGS | |
80 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
81 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
82 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
83 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
84 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
85 # ifdef WIN3264 | |
86 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
87 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
88 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
89 # endif | |
90 # ifdef MACOS_X | |
91 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
92 # endif | |
93 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
94 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
95 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
96 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
97 # define FIO_ALL -1 /* allow all formats */ | |
98 #endif | |
99 | |
100 /* When converting, a read() or write() may leave some bytes to be converted | |
101 * for the next call. The value is guessed... */ | |
102 #define CONV_RESTLEN 30 | |
103 | |
104 /* We have to guess how much a sequence of bytes may expand when converting | |
105 * with iconv() to be able to allocate a buffer. */ | |
106 #define ICONV_MULT 8 | |
107 | |
108 /* | |
109 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
110 */ | |
111 struct bw_info | |
112 { | |
113 int bw_fd; /* file descriptor */ | |
114 char_u *bw_buf; /* buffer with data to be written */ | |
1411 | 115 int bw_len; /* length of data */ |
7 | 116 #ifdef HAS_BW_FLAGS |
117 int bw_flags; /* FIO_ flags */ | |
118 #endif | |
119 #ifdef FEAT_MBYTE | |
120 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
121 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
122 int bw_first; /* first write call */ | |
123 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
124 int bw_conv_buflen; /* size of bw_conv_buf */ | |
125 int bw_conv_error; /* set for conversion error */ | |
1947 | 126 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
127 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
7 | 128 # ifdef USE_ICONV |
129 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
130 # endif | |
131 #endif | |
132 }; | |
133 | |
134 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
135 | |
136 #ifdef FEAT_MBYTE | |
595 | 137 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
7 | 138 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
1948 | 139 static int need_conversion __ARGS((char_u *fenc)); |
7 | 140 static int get_fio_flags __ARGS((char_u *ptr)); |
141 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
142 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
143 # ifdef WIN3264 | |
144 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
145 # endif | |
146 # ifdef MACOS_X | |
147 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
148 # endif | |
149 #endif | |
150 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
2006 | 151 #ifdef TEMPDIRNAMES |
1997 | 152 static void vim_settempdir __ARGS((char_u *tempdir)); |
2006 | 153 #endif |
1834 | 154 #ifdef FEAT_AUTOCMD |
155 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
156 #endif | |
595 | 157 |
7 | 158 void |
159 filemess(buf, name, s, attr) | |
160 buf_T *buf; | |
161 char_u *name; | |
162 char_u *s; | |
163 int attr; | |
164 { | |
165 int msg_scroll_save; | |
166 | |
167 if (msg_silent != 0) | |
168 return; | |
169 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
170 /* If it's extremely long, truncate it. */ | |
171 if (STRLEN(IObuff) > IOSIZE - 80) | |
172 IObuff[IOSIZE - 80] = NUL; | |
173 STRCAT(IObuff, s); | |
174 /* | |
175 * For the first message may have to start a new line. | |
176 * For further ones overwrite the previous one, reset msg_scroll before | |
177 * calling filemess(). | |
178 */ | |
179 msg_scroll_save = msg_scroll; | |
180 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
181 msg_scroll = FALSE; | |
182 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
183 check_for_delay(FALSE); | |
184 msg_start(); | |
185 msg_scroll = msg_scroll_save; | |
186 msg_scrolled_ign = TRUE; | |
187 /* may truncate the message to avoid a hit-return prompt */ | |
188 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
189 msg_clr_eos(); | |
190 out_flush(); | |
191 msg_scrolled_ign = FALSE; | |
192 } | |
193 | |
194 /* | |
195 * Read lines from file "fname" into the buffer after line "from". | |
196 * | |
197 * 1. We allocate blocks with lalloc, as big as possible. | |
198 * 2. Each block is filled with characters from the file with a single read(). | |
199 * 3. The lines are inserted in the buffer with ml_append(). | |
200 * | |
201 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
202 * | |
203 * "lines_to_skip" is the number of lines that must be skipped | |
204 * "lines_to_read" is the number of lines that are appended | |
205 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
206 * | |
207 * flags: | |
208 * READ_NEW starting to edit a new buffer | |
209 * READ_FILTER reading filter output | |
210 * READ_STDIN read from stdin instead of a file | |
211 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
212 * stdin) | |
213 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
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214 * READ_KEEP_UNDO don't clear undo info or read it from a file |
7 | 215 * |
216 * return FAIL for failure, OK otherwise | |
217 */ | |
218 int | |
219 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
220 char_u *fname; | |
221 char_u *sfname; | |
222 linenr_T from; | |
223 linenr_T lines_to_skip; | |
224 linenr_T lines_to_read; | |
225 exarg_T *eap; /* can be NULL! */ | |
226 int flags; | |
227 { | |
228 int fd = 0; | |
229 int newfile = (flags & READ_NEW); | |
230 int check_readonly; | |
231 int filtering = (flags & READ_FILTER); | |
232 int read_stdin = (flags & READ_STDIN); | |
233 int read_buffer = (flags & READ_BUFFER); | |
1486 | 234 int set_options = newfile || read_buffer |
235 || (eap != NULL && eap->read_edit); | |
7 | 236 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
237 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
238 char_u c; | |
239 linenr_T lnum = from; | |
240 char_u *ptr = NULL; /* pointer into read buffer */ | |
241 char_u *buffer = NULL; /* read buffer */ | |
242 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
243 char_u *line_start = NULL; /* init to shut up gcc */ | |
244 int wasempty; /* buffer was empty before reading */ | |
245 colnr_T len; | |
246 long size = 0; | |
247 char_u *p; | |
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248 off_t filesize = 0; |
7 | 249 int skip_read = FALSE; |
250 #ifdef FEAT_CRYPT | |
251 char_u *cryptkey = NULL; | |
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252 int did_ask_for_key = FALSE; |
7 | 253 #endif |
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254 #ifdef FEAT_PERSISTENT_UNDO |
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255 context_sha256_T sha_ctx; |
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256 int read_undo_file = FALSE; |
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257 #endif |
7 | 258 int split = 0; /* number of split lines */ |
259 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
260 linenr_T linecnt; | |
261 int error = FALSE; /* errors encountered */ | |
262 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
263 long linerest = 0; /* remaining chars in line */ | |
264 #ifdef UNIX | |
265 int perm = 0; | |
266 int swap_mode = -1; /* protection bits for swap file */ | |
267 #else | |
268 int perm; | |
269 #endif | |
270 int fileformat = 0; /* end-of-line format */ | |
271 int keep_fileformat = FALSE; | |
272 struct stat st; | |
273 int file_readonly; | |
274 linenr_T skip_count = 0; | |
275 linenr_T read_count = 0; | |
276 int msg_save = msg_scroll; | |
277 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
278 * last read was missing the eol */ | |
279 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
280 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
281 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
282 int file_rewind = FALSE; | |
283 #ifdef FEAT_MBYTE | |
284 int can_retry; | |
595 | 285 linenr_T conv_error = 0; /* line nr with conversion error */ |
286 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
7 | 287 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
288 in destination encoding */ | |
595 | 289 int bad_char_behavior = BAD_REPLACE; |
290 /* BAD_KEEP, BAD_DROP or character to | |
291 * replace with */ | |
7 | 292 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
293 int fio_flags = 0; | |
294 char_u *fenc; /* fileencoding to use */ | |
295 int fenc_alloced; /* fenc_next is in allocated memory */ | |
296 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
297 int advance_fenc = FALSE; | |
298 long real_size = 0; | |
299 # ifdef USE_ICONV | |
300 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
301 # ifdef FEAT_EVAL | |
302 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
303 'charconvert' next */ | |
304 # endif | |
305 # endif | |
306 int converted = FALSE; /* TRUE if conversion done */ | |
307 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
308 wasn't possible */ | |
309 char_u conv_rest[CONV_RESTLEN]; | |
310 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
311 #endif | |
1834 | 312 #ifdef FEAT_AUTOCMD |
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313 buf_T *old_curbuf; |
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314 char_u *old_b_ffname; |
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315 char_u *old_b_fname; |
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316 int using_b_ffname; |
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317 int using_b_fname; |
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318 #endif |
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319 |
7 | 320 write_no_eol_lnum = 0; /* in case it was set by the previous read */ |
321 | |
322 /* | |
323 * If there is no file name yet, use the one for the read file. | |
324 * BF_NOTEDITED is set to reflect this. | |
325 * Don't do this for a read from a filter. | |
326 * Only do this when 'cpoptions' contains the 'f' flag. | |
327 */ | |
328 if (curbuf->b_ffname == NULL | |
329 && !filtering | |
330 && fname != NULL | |
331 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
332 && !(flags & READ_DUMMY)) | |
333 { | |
633 | 334 if (set_rw_fname(fname, sfname) == FAIL) |
335 return FAIL; | |
7 | 336 } |
337 | |
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338 #ifdef FEAT_AUTOCMD |
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339 /* Remember the initial values of curbuf, curbuf->b_ffname and |
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340 * curbuf->b_fname to detect whether they are altered as a result of |
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341 * executing nasty autocommands. Also check if "fname" and "sfname" |
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342 * point to one of these values. */ |
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343 old_curbuf = curbuf; |
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344 old_b_ffname = curbuf->b_ffname; |
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345 old_b_fname = curbuf->b_fname; |
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346 using_b_ffname = (fname == curbuf->b_ffname) |
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347 || (sfname == curbuf->b_ffname); |
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348 using_b_fname = (fname == curbuf->b_fname) || (sfname == curbuf->b_fname); |
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349 #endif |
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350 |
167 | 351 /* After reading a file the cursor line changes but we don't want to |
352 * display the line. */ | |
353 ex_no_reprint = TRUE; | |
354 | |
968 | 355 /* don't display the file info for another buffer now */ |
356 need_fileinfo = FALSE; | |
357 | |
7 | 358 /* |
359 * For Unix: Use the short file name whenever possible. | |
360 * Avoids problems with networks and when directory names are changed. | |
361 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
362 * another directory, which we don't detect. | |
363 */ | |
364 if (sfname == NULL) | |
365 sfname = fname; | |
366 #if defined(UNIX) || defined(__EMX__) | |
367 fname = sfname; | |
368 #endif | |
369 | |
370 #ifdef FEAT_AUTOCMD | |
371 /* | |
372 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
373 * executing the associated commands instead. | |
374 */ | |
375 if (!filtering && !read_stdin && !read_buffer) | |
376 { | |
377 pos_T pos; | |
378 | |
379 pos = curbuf->b_op_start; | |
380 | |
381 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
382 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
383 curbuf->b_op_start.col = 0; | |
384 | |
385 if (newfile) | |
386 { | |
387 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
388 FALSE, curbuf, eap)) | |
389 #ifdef FEAT_EVAL | |
390 return aborting() ? FAIL : OK; | |
391 #else | |
392 return OK; | |
393 #endif | |
394 } | |
395 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
396 FALSE, NULL, eap)) | |
397 #ifdef FEAT_EVAL | |
398 return aborting() ? FAIL : OK; | |
399 #else | |
400 return OK; | |
401 #endif | |
402 | |
403 curbuf->b_op_start = pos; | |
404 } | |
405 #endif | |
406 | |
407 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
408 msg_scroll = FALSE; /* overwrite previous file message */ | |
409 else | |
410 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
411 | |
412 /* | |
413 * If the name ends in a path separator, we can't open it. Check here, | |
414 * because reading the file may actually work, but then creating the swap | |
415 * file may destroy it! Reported on MS-DOS and Win 95. | |
416 * If the name is too long we might crash further on, quit here. | |
417 */ | |
23 | 418 if (fname != NULL && *fname != NUL) |
419 { | |
39 | 420 p = fname + STRLEN(fname); |
421 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
23 | 422 { |
423 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
424 msg_end(); | |
425 msg_scroll = msg_save; | |
426 return FAIL; | |
427 } | |
7 | 428 } |
429 | |
430 #ifdef UNIX | |
431 /* | |
432 * On Unix it is possible to read a directory, so we have to | |
433 * check for it before the mch_open(). | |
434 */ | |
435 if (!read_stdin && !read_buffer) | |
436 { | |
437 perm = mch_getperm(fname); | |
438 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
439 # ifdef S_ISFIFO | |
440 && !S_ISFIFO(perm) /* ... or fifo */ | |
441 # endif | |
442 # ifdef S_ISSOCK | |
443 && !S_ISSOCK(perm) /* ... or socket */ | |
444 # endif | |
1313 | 445 # ifdef OPEN_CHR_FILES |
446 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
447 /* ... or a character special file named /dev/fd/<n> */ | |
448 # endif | |
7 | 449 ) |
450 { | |
451 if (S_ISDIR(perm)) | |
452 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
453 else | |
454 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
455 msg_end(); | |
456 msg_scroll = msg_save; | |
457 return FAIL; | |
458 } | |
1006 | 459 |
460 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
461 /* | |
462 * MS-Windows allows opening a device, but we will probably get stuck | |
463 * trying to read it. | |
464 */ | |
465 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
466 { | |
1303 | 467 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
1006 | 468 msg_end(); |
469 msg_scroll = msg_save; | |
470 return FAIL; | |
471 } | |
472 # endif | |
1004 | 473 } |
474 #endif | |
475 | |
7 | 476 /* set default 'fileformat' */ |
819 | 477 if (set_options) |
7 | 478 { |
479 if (eap != NULL && eap->force_ff != 0) | |
480 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
481 else if (*p_ffs != NUL) | |
482 set_fileformat(default_fileformat(), OPT_LOCAL); | |
483 } | |
484 | |
485 /* set or reset 'binary' */ | |
486 if (eap != NULL && eap->force_bin != 0) | |
487 { | |
488 int oldval = curbuf->b_p_bin; | |
489 | |
490 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
491 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
492 } | |
493 | |
494 /* | |
495 * When opening a new file we take the readonly flag from the file. | |
496 * Default is r/w, can be set to r/o below. | |
497 * Don't reset it when in readonly mode | |
498 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
499 */ | |
500 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
164 | 501 if (check_readonly && !readonlymode) |
7 | 502 curbuf->b_p_ro = FALSE; |
503 | |
504 if (newfile && !read_stdin && !read_buffer) | |
505 { | |
506 /* Remember time of file. | |
507 * For RISCOS, also remember the filetype. | |
508 */ | |
509 if (mch_stat((char *)fname, &st) >= 0) | |
510 { | |
511 buf_store_time(curbuf, &st, fname); | |
512 curbuf->b_mtime_read = curbuf->b_mtime; | |
513 | |
514 #if defined(RISCOS) && defined(FEAT_OSFILETYPE) | |
515 /* Read the filetype into the buffer local filetype option. */ | |
516 mch_read_filetype(fname); | |
517 #endif | |
518 #ifdef UNIX | |
519 /* | |
520 * Use the protection bits of the original file for the swap file. | |
521 * This makes it possible for others to read the name of the | |
522 * edited file from the swapfile, but only if they can read the | |
523 * edited file. | |
524 * Remove the "write" and "execute" bits for group and others | |
525 * (they must not write the swapfile). | |
526 * Add the "read" and "write" bits for the user, otherwise we may | |
527 * not be able to write to the file ourselves. | |
528 * Setting the bits is done below, after creating the swap file. | |
529 */ | |
530 swap_mode = (st.st_mode & 0644) | 0600; | |
531 #endif | |
532 #ifdef FEAT_CW_EDITOR | |
533 /* Get the FSSpec on MacOS | |
534 * TODO: Update it properly when the buffer name changes | |
535 */ | |
536 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
537 #endif | |
538 #ifdef VMS | |
539 curbuf->b_fab_rfm = st.st_fab_rfm; | |
22 | 540 curbuf->b_fab_rat = st.st_fab_rat; |
541 curbuf->b_fab_mrs = st.st_fab_mrs; | |
7 | 542 #endif |
543 } | |
544 else | |
545 { | |
546 curbuf->b_mtime = 0; | |
547 curbuf->b_mtime_read = 0; | |
548 curbuf->b_orig_size = 0; | |
549 curbuf->b_orig_mode = 0; | |
550 } | |
551 | |
552 /* Reset the "new file" flag. It will be set again below when the | |
553 * file doesn't exist. */ | |
554 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
555 } | |
556 | |
557 /* | |
558 * for UNIX: check readonly with perm and mch_access() | |
559 * for RISCOS: same as Unix, otherwise file gets re-datestamped! | |
560 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
561 */ | |
562 file_readonly = FALSE; | |
563 if (read_stdin) | |
564 { | |
565 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
566 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
567 setmode(0, O_BINARY); | |
568 #endif | |
569 } | |
570 else if (!read_buffer) | |
571 { | |
572 #ifdef USE_MCH_ACCESS | |
573 if ( | |
574 # ifdef UNIX | |
575 !(perm & 0222) || | |
576 # endif | |
577 mch_access((char *)fname, W_OK)) | |
578 file_readonly = TRUE; | |
579 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
580 #else | |
581 if (!newfile | |
582 || readonlymode | |
583 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
584 { | |
585 file_readonly = TRUE; | |
586 /* try to open ro */ | |
587 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
588 } | |
589 #endif | |
590 } | |
591 | |
592 if (fd < 0) /* cannot open at all */ | |
593 { | |
594 #ifndef UNIX | |
595 int isdir_f; | |
596 #endif | |
597 msg_scroll = msg_save; | |
598 #ifndef UNIX | |
599 /* | |
600 * On MSDOS and Amiga we can't open a directory, check here. | |
601 */ | |
602 isdir_f = (mch_isdir(fname)); | |
603 perm = mch_getperm(fname); /* check if the file exists */ | |
604 if (isdir_f) | |
605 { | |
606 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
607 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
608 } | |
609 else | |
610 #endif | |
611 if (newfile) | |
612 { | |
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613 if (perm < 0 |
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614 #ifdef ENOENT |
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615 && errno == ENOENT |
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616 #endif |
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617 ) |
7 | 618 { |
619 /* | |
620 * Set the 'new-file' flag, so that when the file has | |
621 * been created by someone else, a ":w" will complain. | |
622 */ | |
623 curbuf->b_flags |= BF_NEW; | |
624 | |
625 /* Create a swap file now, so that other Vims are warned | |
626 * that we are editing this file. Don't do this for a | |
627 * "nofile" or "nowrite" buffer type. */ | |
628 #ifdef FEAT_QUICKFIX | |
629 if (!bt_dontwrite(curbuf)) | |
630 #endif | |
1834 | 631 { |
7 | 632 check_need_swap(newfile); |
1834 | 633 #ifdef FEAT_AUTOCMD |
634 /* SwapExists autocommand may mess things up */ | |
635 if (curbuf != old_curbuf | |
636 || (using_b_ffname | |
637 && (old_b_ffname != curbuf->b_ffname)) | |
638 || (using_b_fname | |
639 && (old_b_fname != curbuf->b_fname))) | |
640 { | |
641 EMSG(_(e_auchangedbuf)); | |
642 return FAIL; | |
643 } | |
644 #endif | |
645 } | |
592 | 646 if (dir_of_file_exists(fname)) |
647 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
648 else | |
649 filemess(curbuf, sfname, | |
650 (char_u *)_("[New DIRECTORY]"), 0); | |
7 | 651 #ifdef FEAT_VIMINFO |
652 /* Even though this is a new file, it might have been | |
653 * edited before and deleted. Get the old marks. */ | |
654 check_marks_read(); | |
655 #endif | |
656 #ifdef FEAT_MBYTE | |
657 if (eap != NULL && eap->force_enc != 0) | |
658 { | |
659 /* set forced 'fileencoding' */ | |
660 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
661 if (fenc != NULL) | |
662 set_string_option_direct((char_u *)"fenc", -1, | |
694 | 663 fenc, OPT_FREE|OPT_LOCAL, 0); |
7 | 664 vim_free(fenc); |
665 } | |
666 #endif | |
667 #ifdef FEAT_AUTOCMD | |
668 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
669 FALSE, curbuf, eap); | |
670 #endif | |
671 /* remember the current fileformat */ | |
672 save_file_ff(curbuf); | |
673 | |
674 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
675 if (aborting()) /* autocmds may abort script processing */ | |
676 return FAIL; | |
677 #endif | |
678 return OK; /* a new file is not an error */ | |
679 } | |
680 else | |
681 { | |
550 | 682 filemess(curbuf, sfname, (char_u *)( |
683 # ifdef EFBIG | |
684 (errno == EFBIG) ? _("[File too big]") : | |
685 # endif | |
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686 # ifdef EOVERFLOW |
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687 (errno == EOVERFLOW) ? _("[File too big]") : |
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688 # endif |
550 | 689 _("[Permission Denied]")), 0); |
7 | 690 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
691 } | |
692 } | |
693 | |
694 return FAIL; | |
695 } | |
696 | |
697 /* | |
698 * Only set the 'ro' flag for readonly files the first time they are | |
699 * loaded. Help files always get readonly mode | |
700 */ | |
701 if ((check_readonly && file_readonly) || curbuf->b_help) | |
702 curbuf->b_p_ro = TRUE; | |
703 | |
819 | 704 if (set_options) |
7 | 705 { |
1486 | 706 /* Don't change 'eol' if reading from buffer as it will already be |
707 * correctly set when reading stdin. */ | |
708 if (!read_buffer) | |
709 { | |
710 curbuf->b_p_eol = TRUE; | |
711 curbuf->b_start_eol = TRUE; | |
712 } | |
7 | 713 #ifdef FEAT_MBYTE |
714 curbuf->b_p_bomb = FALSE; | |
1352 | 715 curbuf->b_start_bomb = FALSE; |
7 | 716 #endif |
717 } | |
718 | |
719 /* Create a swap file now, so that other Vims are warned that we are | |
720 * editing this file. | |
721 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
722 #ifdef FEAT_QUICKFIX | |
723 if (!bt_dontwrite(curbuf)) | |
724 #endif | |
725 { | |
726 check_need_swap(newfile); | |
1834 | 727 #ifdef FEAT_AUTOCMD |
728 if (!read_stdin && (curbuf != old_curbuf | |
729 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
730 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
731 { | |
732 EMSG(_(e_auchangedbuf)); | |
733 if (!read_buffer) | |
734 close(fd); | |
735 return FAIL; | |
736 } | |
737 #endif | |
7 | 738 #ifdef UNIX |
739 /* Set swap file protection bits after creating it. */ | |
1918 | 740 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
741 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
7 | 742 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
743 #endif | |
744 } | |
745 | |
578 | 746 #if defined(HAS_SWAP_EXISTS_ACTION) |
7 | 747 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
748 if (swap_exists_action == SEA_QUIT) | |
749 { | |
750 if (!read_buffer && !read_stdin) | |
751 close(fd); | |
752 return FAIL; | |
753 } | |
754 #endif | |
755 | |
756 ++no_wait_return; /* don't wait for return yet */ | |
757 | |
758 /* | |
759 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
760 */ | |
761 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
762 curbuf->b_op_start.col = 0; | |
763 | |
764 #ifdef FEAT_AUTOCMD | |
765 if (!read_buffer) | |
766 { | |
767 int m = msg_scroll; | |
768 int n = msg_scrolled; | |
769 | |
770 /* | |
771 * The file must be closed again, the autocommands may want to change | |
772 * the file before reading it. | |
773 */ | |
774 if (!read_stdin) | |
775 close(fd); /* ignore errors */ | |
776 | |
777 /* | |
778 * The output from the autocommands should not overwrite anything and | |
779 * should not be overwritten: Set msg_scroll, restore its value if no | |
780 * output was done. | |
781 */ | |
782 msg_scroll = TRUE; | |
783 if (filtering) | |
784 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
785 FALSE, curbuf, eap); | |
786 else if (read_stdin) | |
787 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
788 FALSE, curbuf, eap); | |
789 else if (newfile) | |
790 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
791 FALSE, curbuf, eap); | |
792 else | |
793 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
794 FALSE, NULL, eap); | |
795 if (msg_scrolled == n) | |
796 msg_scroll = m; | |
797 | |
798 #ifdef FEAT_EVAL | |
799 if (aborting()) /* autocmds may abort script processing */ | |
800 { | |
801 --no_wait_return; | |
802 msg_scroll = msg_save; | |
803 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
804 return FAIL; | |
805 } | |
806 #endif | |
807 /* | |
808 * Don't allow the autocommands to change the current buffer. | |
809 * Try to re-open the file. | |
1834 | 810 * |
811 * Don't allow the autocommands to change the buffer name either | |
812 * (cd for example) if it invalidates fname or sfname. | |
7 | 813 */ |
814 if (!read_stdin && (curbuf != old_curbuf | |
1834 | 815 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
816 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
7 | 817 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
818 { | |
819 --no_wait_return; | |
820 msg_scroll = msg_save; | |
821 if (fd < 0) | |
822 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
823 else | |
824 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
825 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
826 return FAIL; | |
827 } | |
828 } | |
829 #endif /* FEAT_AUTOCMD */ | |
830 | |
831 /* Autocommands may add lines to the file, need to check if it is empty */ | |
832 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
833 | |
834 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
835 { | |
836 /* | |
837 * Show the user that we are busy reading the input. Sometimes this | |
838 * may take a while. When reading from stdin another program may | |
839 * still be running, don't move the cursor to the last line, unless | |
840 * always using the GUI. | |
841 */ | |
842 if (read_stdin) | |
843 { | |
844 #ifndef ALWAYS_USE_GUI | |
845 mch_msg(_("Vim: Reading from stdin...\n")); | |
846 #endif | |
847 #ifdef FEAT_GUI | |
848 /* Also write a message in the GUI window, if there is one. */ | |
849 if (gui.in_use && !gui.dying && !gui.starting) | |
850 { | |
851 p = (char_u *)_("Reading from stdin..."); | |
852 gui_write(p, (int)STRLEN(p)); | |
853 } | |
854 #endif | |
855 } | |
856 else if (!read_buffer) | |
857 filemess(curbuf, sfname, (char_u *)"", 0); | |
858 } | |
859 | |
860 msg_scroll = FALSE; /* overwrite the file message */ | |
861 | |
862 /* | |
863 * Set linecnt now, before the "retry" caused by a wrong guess for | |
864 * fileformat, and after the autocommands, which may change them. | |
865 */ | |
866 linecnt = curbuf->b_ml.ml_line_count; | |
867 | |
868 #ifdef FEAT_MBYTE | |
595 | 869 /* "++bad=" argument. */ |
870 if (eap != NULL && eap->bad_char != 0) | |
612 | 871 { |
595 | 872 bad_char_behavior = eap->bad_char; |
819 | 873 if (set_options) |
612 | 874 curbuf->b_bad_char = eap->bad_char; |
875 } | |
876 else | |
877 curbuf->b_bad_char = 0; | |
595 | 878 |
7 | 879 /* |
595 | 880 * Decide which 'encoding' to use or use first. |
7 | 881 */ |
882 if (eap != NULL && eap->force_enc != 0) | |
883 { | |
884 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
885 fenc_alloced = TRUE; | |
595 | 886 keep_dest_enc = TRUE; |
7 | 887 } |
888 else if (curbuf->b_p_bin) | |
889 { | |
890 fenc = (char_u *)""; /* binary: don't convert */ | |
891 fenc_alloced = FALSE; | |
892 } | |
893 else if (curbuf->b_help) | |
894 { | |
895 char_u firstline[80]; | |
301 | 896 int fc; |
7 | 897 |
898 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
899 * fails it must be latin1. | |
900 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
901 * this when needed to avoid [converted] remarks all the time. | |
902 * It is needed when the first line contains non-ASCII characters. | |
903 * That is only in *.??x files. */ | |
904 fenc = (char_u *)"latin1"; | |
905 c = enc_utf8; | |
301 | 906 if (!c && !read_stdin) |
907 { | |
908 fc = fname[STRLEN(fname) - 1]; | |
909 if (TOLOWER_ASC(fc) == 'x') | |
910 { | |
911 /* Read the first line (and a bit more). Immediately rewind to | |
912 * the start of the file. If the read() fails "len" is -1. */ | |
2664 | 913 len = read_eintr(fd, firstline, 80); |
301 | 914 lseek(fd, (off_t)0L, SEEK_SET); |
915 for (p = firstline; p < firstline + len; ++p) | |
916 if (*p >= 0x80) | |
917 { | |
918 c = TRUE; | |
919 break; | |
920 } | |
921 } | |
7 | 922 } |
923 | |
924 if (c) | |
925 { | |
926 fenc_next = fenc; | |
927 fenc = (char_u *)"utf-8"; | |
928 | |
929 /* When the file is utf-8 but a character doesn't fit in | |
930 * 'encoding' don't retry. In help text editing utf-8 bytes | |
931 * doesn't make sense. */ | |
844 | 932 if (!enc_utf8) |
933 keep_dest_enc = TRUE; | |
7 | 934 } |
935 fenc_alloced = FALSE; | |
936 } | |
937 else if (*p_fencs == NUL) | |
938 { | |
939 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
940 fenc_alloced = FALSE; | |
941 } | |
942 else | |
943 { | |
944 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
945 fenc = next_fenc(&fenc_next); | |
946 fenc_alloced = TRUE; | |
947 } | |
948 #endif | |
949 | |
950 /* | |
951 * Jump back here to retry reading the file in different ways. | |
952 * Reasons to retry: | |
953 * - encoding conversion failed: try another one from "fenc_next" | |
954 * - BOM detected and fenc was set, need to setup conversion | |
955 * - "fileformat" check failed: try another | |
956 * | |
957 * Variables set for special retry actions: | |
958 * "file_rewind" Rewind the file to start reading it again. | |
959 * "advance_fenc" Advance "fenc" using "fenc_next". | |
960 * "skip_read" Re-use already read bytes (BOM detected). | |
961 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
962 * "keep_fileformat" Don't reset "fileformat". | |
963 * | |
964 * Other status indicators: | |
965 * "tmpname" When != NULL did conversion with 'charconvert'. | |
966 * Output file has to be deleted afterwards. | |
967 * "iconv_fd" When != -1 did conversion with iconv(). | |
968 */ | |
969 retry: | |
970 | |
971 if (file_rewind) | |
972 { | |
973 if (read_buffer) | |
974 { | |
975 read_buf_lnum = 1; | |
976 read_buf_col = 0; | |
977 } | |
978 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
979 { | |
980 /* Can't rewind the file, give up. */ | |
981 error = TRUE; | |
982 goto failed; | |
983 } | |
984 /* Delete the previously read lines. */ | |
985 while (lnum > from) | |
986 ml_delete(lnum--, FALSE); | |
987 file_rewind = FALSE; | |
988 #ifdef FEAT_MBYTE | |
819 | 989 if (set_options) |
1352 | 990 { |
7 | 991 curbuf->b_p_bomb = FALSE; |
1352 | 992 curbuf->b_start_bomb = FALSE; |
993 } | |
595 | 994 conv_error = 0; |
7 | 995 #endif |
996 } | |
997 | |
2267 | 998 #ifdef FEAT_CRYPT |
999 if (cryptkey != NULL) | |
1000 /* Need to reset the state, but keep the key, don't want to ask for it | |
1001 * again. */ | |
1002 crypt_pop_state(); | |
1003 #endif | |
1004 | |
7 | 1005 /* |
1006 * When retrying with another "fenc" and the first time "fileformat" | |
1007 * will be reset. | |
1008 */ | |
1009 if (keep_fileformat) | |
1010 keep_fileformat = FALSE; | |
1011 else | |
1012 { | |
1013 if (eap != NULL && eap->force_ff != 0) | |
1742 | 1014 { |
7 | 1015 fileformat = get_fileformat_force(curbuf, eap); |
1742 | 1016 try_unix = try_dos = try_mac = FALSE; |
1017 } | |
7 | 1018 else if (curbuf->b_p_bin) |
1019 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
1020 else if (*p_ffs == NUL) | |
1021 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
1022 else | |
1023 fileformat = EOL_UNKNOWN; /* detect from file */ | |
1024 } | |
1025 | |
1026 #ifdef FEAT_MBYTE | |
1027 # ifdef USE_ICONV | |
1028 if (iconv_fd != (iconv_t)-1) | |
1029 { | |
1030 /* aborted conversion with iconv(), close the descriptor */ | |
1031 iconv_close(iconv_fd); | |
1032 iconv_fd = (iconv_t)-1; | |
1033 } | |
1034 # endif | |
1035 | |
1036 if (advance_fenc) | |
1037 { | |
1038 /* | |
1039 * Try the next entry in 'fileencodings'. | |
1040 */ | |
1041 advance_fenc = FALSE; | |
1042 | |
1043 if (eap != NULL && eap->force_enc != 0) | |
1044 { | |
1045 /* Conversion given with "++cc=" wasn't possible, read | |
1046 * without conversion. */ | |
1047 notconverted = TRUE; | |
595 | 1048 conv_error = 0; |
7 | 1049 if (fenc_alloced) |
1050 vim_free(fenc); | |
1051 fenc = (char_u *)""; | |
1052 fenc_alloced = FALSE; | |
1053 } | |
1054 else | |
1055 { | |
1056 if (fenc_alloced) | |
1057 vim_free(fenc); | |
1058 if (fenc_next != NULL) | |
1059 { | |
1060 fenc = next_fenc(&fenc_next); | |
1061 fenc_alloced = (fenc_next != NULL); | |
1062 } | |
1063 else | |
1064 { | |
1065 fenc = (char_u *)""; | |
1066 fenc_alloced = FALSE; | |
1067 } | |
1068 } | |
1069 if (tmpname != NULL) | |
1070 { | |
1071 mch_remove(tmpname); /* delete converted file */ | |
1072 vim_free(tmpname); | |
1073 tmpname = NULL; | |
1074 } | |
1075 } | |
1076 | |
1077 /* | |
1948 | 1078 * Conversion may be required when the encoding of the file is different |
1079 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
7 | 1080 */ |
1081 fio_flags = 0; | |
1948 | 1082 converted = need_conversion(fenc); |
1083 if (converted) | |
7 | 1084 { |
1085 | |
1086 /* "ucs-bom" means we need to check the first bytes of the file | |
1087 * for a BOM. */ | |
1088 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
1089 fio_flags = FIO_UCSBOM; | |
1090 | |
1091 /* | |
1092 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
1093 * done. This is handled below after read(). Prepare the | |
1094 * fio_flags to avoid having to parse the string each time. | |
1095 * Also check for Unicode to Latin1 conversion, because iconv() | |
1096 * appears not to handle this correctly. This works just like | |
1097 * conversion to UTF-8 except how the resulting character is put in | |
1098 * the buffer. | |
1099 */ | |
1100 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
1101 fio_flags = get_fio_flags(fenc); | |
1102 | |
1103 # ifdef WIN3264 | |
1104 /* | |
1105 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
1106 * is handled with MultiByteToWideChar(). | |
1107 */ | |
1108 if (fio_flags == 0) | |
1109 fio_flags = get_win_fio_flags(fenc); | |
1110 # endif | |
1111 | |
1112 # ifdef MACOS_X | |
1113 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
1114 if (fio_flags == 0) | |
1115 fio_flags = get_mac_fio_flags(fenc); | |
1116 # endif | |
1117 | |
1118 # ifdef USE_ICONV | |
1119 /* | |
1120 * Try using iconv() if we can't convert internally. | |
1121 */ | |
1122 if (fio_flags == 0 | |
1123 # ifdef FEAT_EVAL | |
1124 && !did_iconv | |
1125 # endif | |
1126 ) | |
1127 iconv_fd = (iconv_t)my_iconv_open( | |
1128 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
1129 # endif | |
1130 | |
1131 # ifdef FEAT_EVAL | |
1132 /* | |
1133 * Use the 'charconvert' expression when conversion is required | |
1134 * and we can't do it internally or with iconv(). | |
1135 */ | |
1136 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
1137 # ifdef USE_ICONV | |
1138 && iconv_fd == (iconv_t)-1 | |
1139 # endif | |
1140 ) | |
1141 { | |
1142 # ifdef USE_ICONV | |
1143 did_iconv = FALSE; | |
1144 # endif | |
1145 /* Skip conversion when it's already done (retry for wrong | |
1146 * "fileformat"). */ | |
1147 if (tmpname == NULL) | |
1148 { | |
1149 tmpname = readfile_charconvert(fname, fenc, &fd); | |
1150 if (tmpname == NULL) | |
1151 { | |
1152 /* Conversion failed. Try another one. */ | |
1153 advance_fenc = TRUE; | |
1154 if (fd < 0) | |
1155 { | |
1156 /* Re-opening the original file failed! */ | |
1157 EMSG(_("E202: Conversion made file unreadable!")); | |
1158 error = TRUE; | |
1159 goto failed; | |
1160 } | |
1161 goto retry; | |
1162 } | |
1163 } | |
1164 } | |
1165 else | |
1166 # endif | |
1167 { | |
1168 if (fio_flags == 0 | |
1169 # ifdef USE_ICONV | |
1170 && iconv_fd == (iconv_t)-1 | |
1171 # endif | |
1172 ) | |
1173 { | |
1174 /* Conversion wanted but we can't. | |
1175 * Try the next conversion in 'fileencodings' */ | |
1176 advance_fenc = TRUE; | |
1177 goto retry; | |
1178 } | |
1179 } | |
1180 } | |
1181 | |
595 | 1182 /* Set "can_retry" when it's possible to rewind the file and try with |
7 | 1183 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
595 | 1184 * stdin or fixed at a specific encoding. */ |
1185 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
7 | 1186 #endif |
1187 | |
1188 if (!skip_read) | |
1189 { | |
1190 linerest = 0; | |
1191 filesize = 0; | |
1192 skip_count = lines_to_skip; | |
1193 read_count = lines_to_read; | |
1194 #ifdef FEAT_MBYTE | |
1195 conv_restlen = 0; | |
1196 #endif | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1197 #ifdef FEAT_PERSISTENT_UNDO |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1198 read_undo_file = (newfile && (flags & READ_KEEP_UNDO) == 0 |
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1199 && curbuf->b_ffname != NULL |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1200 && curbuf->b_p_udf |
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1201 && !filtering |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1202 && !read_stdin |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1203 && !read_buffer); |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1204 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1205 sha256_start(&sha_ctx); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1206 #endif |
7 | 1207 } |
1208 | |
1209 while (!error && !got_int) | |
1210 { | |
1211 /* | |
1212 * We allocate as much space for the file as we can get, plus | |
1213 * space for the old line plus room for one terminating NUL. | |
1214 * The amount is limited by the fact that read() only can read | |
1215 * upto max_unsigned characters (and other things). | |
1216 */ | |
1217 #if SIZEOF_INT <= 2 | |
1218 if (linerest >= 0x7ff0) | |
1219 { | |
1220 ++split; | |
1221 *ptr = NL; /* split line by inserting a NL */ | |
1222 size = 1; | |
1223 } | |
1224 else | |
1225 #endif | |
1226 { | |
1227 if (!skip_read) | |
1228 { | |
1229 #if SIZEOF_INT > 2 | |
1076 | 1230 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
7 | 1231 size = SSIZE_MAX; /* use max I/O size, 52K */ |
1232 # else | |
1233 size = 0x10000L; /* use buffer >= 64K */ | |
1234 # endif | |
1235 #else | |
1236 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
1237 #endif | |
1238 | |
836 | 1239 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
7 | 1240 { |
1241 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
1242 FALSE)) != NULL) | |
1243 break; | |
1244 } | |
1245 if (new_buffer == NULL) | |
1246 { | |
1247 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
1248 error = TRUE; | |
1249 break; | |
1250 } | |
1251 if (linerest) /* copy characters from the previous buffer */ | |
1252 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
1253 vim_free(buffer); | |
1254 buffer = new_buffer; | |
1255 ptr = buffer + linerest; | |
1256 line_start = buffer; | |
1257 | |
1258 #ifdef FEAT_MBYTE | |
1259 /* May need room to translate into. | |
1260 * For iconv() we don't really know the required space, use a | |
1261 * factor ICONV_MULT. | |
1262 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
1263 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
1264 * become up to 4 bytes, size must be multiple of 2 | |
1265 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
1266 * multiple of 2 | |
1267 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
1268 * multiple of 4 */ | |
835 | 1269 real_size = (int)size; |
7 | 1270 # ifdef USE_ICONV |
1271 if (iconv_fd != (iconv_t)-1) | |
1272 size = size / ICONV_MULT; | |
1273 else | |
1274 # endif | |
1275 if (fio_flags & FIO_LATIN1) | |
1276 size = size / 2; | |
1277 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1278 size = (size * 2 / 3) & ~1; | |
1279 else if (fio_flags & FIO_UCS4) | |
1280 size = (size * 2 / 3) & ~3; | |
1281 else if (fio_flags == FIO_UCSBOM) | |
1282 size = size / ICONV_MULT; /* worst case */ | |
1283 # ifdef WIN3264 | |
1284 else if (fio_flags & FIO_CODEPAGE) | |
1285 size = size / ICONV_MULT; /* also worst case */ | |
1286 # endif | |
1287 # ifdef MACOS_X | |
1288 else if (fio_flags & FIO_MACROMAN) | |
1289 size = size / ICONV_MULT; /* also worst case */ | |
1290 # endif | |
1291 #endif | |
1292 | |
1293 #ifdef FEAT_MBYTE | |
1294 if (conv_restlen > 0) | |
1295 { | |
1296 /* Insert unconverted bytes from previous line. */ | |
1297 mch_memmove(ptr, conv_rest, conv_restlen); | |
1298 ptr += conv_restlen; | |
1299 size -= conv_restlen; | |
1300 } | |
1301 #endif | |
1302 | |
1303 if (read_buffer) | |
1304 { | |
1305 /* | |
1306 * Read bytes from curbuf. Used for converting text read | |
1307 * from stdin. | |
1308 */ | |
1309 if (read_buf_lnum > from) | |
1310 size = 0; | |
1311 else | |
1312 { | |
1313 int n, ni; | |
1314 long tlen; | |
1315 | |
1316 tlen = 0; | |
1317 for (;;) | |
1318 { | |
1319 p = ml_get(read_buf_lnum) + read_buf_col; | |
1320 n = (int)STRLEN(p); | |
1321 if ((int)tlen + n + 1 > size) | |
1322 { | |
1323 /* Filled up to "size", append partial line. | |
1324 * Change NL to NUL to reverse the effect done | |
1325 * below. */ | |
835 | 1326 n = (int)(size - tlen); |
7 | 1327 for (ni = 0; ni < n; ++ni) |
1328 { | |
1329 if (p[ni] == NL) | |
1330 ptr[tlen++] = NUL; | |
1331 else | |
1332 ptr[tlen++] = p[ni]; | |
1333 } | |
1334 read_buf_col += n; | |
1335 break; | |
1336 } | |
1337 else | |
1338 { | |
1339 /* Append whole line and new-line. Change NL | |
1340 * to NUL to reverse the effect done below. */ | |
1341 for (ni = 0; ni < n; ++ni) | |
1342 { | |
1343 if (p[ni] == NL) | |
1344 ptr[tlen++] = NUL; | |
1345 else | |
1346 ptr[tlen++] = p[ni]; | |
1347 } | |
1348 ptr[tlen++] = NL; | |
1349 read_buf_col = 0; | |
1350 if (++read_buf_lnum > from) | |
1351 { | |
1352 /* When the last line didn't have an | |
1353 * end-of-line don't add it now either. */ | |
1354 if (!curbuf->b_p_eol) | |
1355 --tlen; | |
1356 size = tlen; | |
1357 break; | |
1358 } | |
1359 } | |
1360 } | |
1361 } | |
1362 } | |
1363 else | |
1364 { | |
1365 /* | |
1366 * Read bytes from the file. | |
1367 */ | |
2664 | 1368 size = read_eintr(fd, ptr, size); |
7 | 1369 } |
1370 | |
1371 if (size <= 0) | |
1372 { | |
1373 if (size < 0) /* read error */ | |
1374 error = TRUE; | |
1375 #ifdef FEAT_MBYTE | |
1376 else if (conv_restlen > 0) | |
595 | 1377 { |
1597 | 1378 /* |
1379 * Reached end-of-file but some trailing bytes could | |
1380 * not be converted. Truncated file? | |
1381 */ | |
1382 | |
1383 /* When we did a conversion report an error. */ | |
1384 if (fio_flags != 0 | |
1385 # ifdef USE_ICONV | |
1386 || iconv_fd != (iconv_t)-1 | |
1387 # endif | |
1388 ) | |
1389 { | |
1390 if (conv_error == 0) | |
1391 conv_error = curbuf->b_ml.ml_line_count | |
1392 - linecnt + 1; | |
1393 } | |
1394 /* Remember the first linenr with an illegal byte */ | |
1395 else if (illegal_byte == 0) | |
1396 illegal_byte = curbuf->b_ml.ml_line_count | |
1397 - linecnt + 1; | |
1398 if (bad_char_behavior == BAD_DROP) | |
595 | 1399 { |
1597 | 1400 *(ptr - conv_restlen) = NUL; |
1401 conv_restlen = 0; | |
1402 } | |
1403 else | |
1404 { | |
1405 /* Replace the trailing bytes with the replacement | |
1406 * character if we were converting; if we weren't, | |
1407 * leave the UTF8 checking code to do it, as it | |
1408 * works slightly differently. */ | |
1409 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
1410 # ifdef USE_ICONV | |
1411 || iconv_fd != (iconv_t)-1 | |
1412 # endif | |
1413 )) | |
1414 { | |
1415 while (conv_restlen > 0) | |
1416 { | |
1417 *(--ptr) = bad_char_behavior; | |
1418 --conv_restlen; | |
1419 } | |
1420 } | |
595 | 1421 fio_flags = 0; /* don't convert this */ |
834 | 1422 # ifdef USE_ICONV |
1423 if (iconv_fd != (iconv_t)-1) | |
1424 { | |
1425 iconv_close(iconv_fd); | |
1426 iconv_fd = (iconv_t)-1; | |
1427 } | |
1428 # endif | |
595 | 1429 } |
1430 } | |
7 | 1431 #endif |
1432 } | |
1433 | |
1434 #ifdef FEAT_CRYPT | |
1435 /* | |
1436 * At start of file: Check for magic number of encryption. | |
1437 */ | |
1438 if (filesize == 0) | |
1439 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
2267 | 1440 &filesize, newfile, sfname, |
1441 &did_ask_for_key); | |
7 | 1442 /* |
1443 * Decrypt the read bytes. | |
1444 */ | |
1445 if (cryptkey != NULL && size > 0) | |
2244 | 1446 crypt_decode(ptr, size); |
7 | 1447 #endif |
1448 } | |
1449 skip_read = FALSE; | |
1450 | |
1451 #ifdef FEAT_MBYTE | |
1452 /* | |
1453 * At start of file (or after crypt magic number): Check for BOM. | |
1454 * Also check for a BOM for other Unicode encodings, but not after | |
1455 * converting with 'charconvert' or when a BOM has already been | |
1456 * found. | |
1457 */ | |
1458 if ((filesize == 0 | |
1459 # ifdef FEAT_CRYPT | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1460 || (filesize == (CRYPT_MAGIC_LEN |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
1461 + crypt_salt_len[use_crypt_method] |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1462 + crypt_seed_len[use_crypt_method]) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1463 && cryptkey != NULL) |
7 | 1464 # endif |
1465 ) | |
1466 && (fio_flags == FIO_UCSBOM | |
1467 || (!curbuf->b_p_bomb | |
1468 && tmpname == NULL | |
1469 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
1470 { | |
1471 char_u *ccname; | |
1472 int blen; | |
1473 | |
1474 /* no BOM detection in a short file or in binary mode */ | |
1475 if (size < 2 || curbuf->b_p_bin) | |
1476 ccname = NULL; | |
1477 else | |
1478 ccname = check_for_bom(ptr, size, &blen, | |
1479 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
1480 if (ccname != NULL) | |
1481 { | |
1482 /* Remove BOM from the text */ | |
1483 filesize += blen; | |
1484 size -= blen; | |
1485 mch_memmove(ptr, ptr + blen, (size_t)size); | |
819 | 1486 if (set_options) |
1352 | 1487 { |
7 | 1488 curbuf->b_p_bomb = TRUE; |
1352 | 1489 curbuf->b_start_bomb = TRUE; |
1490 } | |
7 | 1491 } |
1492 | |
1493 if (fio_flags == FIO_UCSBOM) | |
1494 { | |
1495 if (ccname == NULL) | |
1496 { | |
1497 /* No BOM detected: retry with next encoding. */ | |
1498 advance_fenc = TRUE; | |
1499 } | |
1500 else | |
1501 { | |
1502 /* BOM detected: set "fenc" and jump back */ | |
1503 if (fenc_alloced) | |
1504 vim_free(fenc); | |
1505 fenc = ccname; | |
1506 fenc_alloced = FALSE; | |
1507 } | |
1508 /* retry reading without getting new bytes or rewinding */ | |
1509 skip_read = TRUE; | |
1510 goto retry; | |
1511 } | |
1512 } | |
1597 | 1513 |
1514 /* Include not converted bytes. */ | |
1515 ptr -= conv_restlen; | |
1516 size += conv_restlen; | |
1517 conv_restlen = 0; | |
7 | 1518 #endif |
1519 /* | |
1520 * Break here for a read error or end-of-file. | |
1521 */ | |
1522 if (size <= 0) | |
1523 break; | |
1524 | |
1525 #ifdef FEAT_MBYTE | |
1526 | |
1527 # ifdef USE_ICONV | |
1528 if (iconv_fd != (iconv_t)-1) | |
1529 { | |
1530 /* | |
1531 * Attempt conversion of the read bytes to 'encoding' using | |
1532 * iconv(). | |
1533 */ | |
1534 const char *fromp; | |
1535 char *top; | |
1536 size_t from_size; | |
1537 size_t to_size; | |
1538 | |
1539 fromp = (char *)ptr; | |
1540 from_size = size; | |
1541 ptr += size; | |
1542 top = (char *)ptr; | |
1543 to_size = real_size - size; | |
1544 | |
1545 /* | |
1546 * If there is conversion error or not enough room try using | |
179 | 1547 * another conversion. Except for when there is no |
1548 * alternative (help files). | |
7 | 1549 */ |
177 | 1550 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
1551 &top, &to_size) | |
7 | 1552 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
1553 || from_size > CONV_RESTLEN) | |
177 | 1554 { |
595 | 1555 if (can_retry) |
375 | 1556 goto rewind_retry; |
595 | 1557 if (conv_error == 0) |
1558 conv_error = readfile_linenr(linecnt, | |
1559 ptr, (char_u *)top); | |
1560 | |
1561 /* Deal with a bad byte and continue with the next. */ | |
177 | 1562 ++fromp; |
1563 --from_size; | |
595 | 1564 if (bad_char_behavior == BAD_KEEP) |
1565 { | |
1566 *top++ = *(fromp - 1); | |
1567 --to_size; | |
1568 } | |
1569 else if (bad_char_behavior != BAD_DROP) | |
1570 { | |
1571 *top++ = bad_char_behavior; | |
1572 --to_size; | |
1573 } | |
177 | 1574 } |
7 | 1575 |
1576 if (from_size > 0) | |
1577 { | |
1578 /* Some remaining characters, keep them for the next | |
1579 * round. */ | |
1580 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
1581 conv_restlen = (int)from_size; | |
1582 } | |
1583 | |
1584 /* move the linerest to before the converted characters */ | |
1585 line_start = ptr - linerest; | |
1586 mch_memmove(line_start, buffer, (size_t)linerest); | |
1587 size = (long)((char_u *)top - ptr); | |
1588 } | |
1589 # endif | |
1590 | |
1591 # ifdef WIN3264 | |
1592 if (fio_flags & FIO_CODEPAGE) | |
1593 { | |
595 | 1594 char_u *src, *dst; |
1595 WCHAR ucs2buf[3]; | |
1596 int ucs2len; | |
1597 int codepage = FIO_GET_CP(fio_flags); | |
1598 int bytelen; | |
1599 int found_bad; | |
1600 char replstr[2]; | |
1601 | |
7 | 1602 /* |
1603 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
595 | 1604 * a codepage, using standard MS-Windows functions. This |
1605 * requires two steps: | |
1606 * 1. convert from 'fileencoding' to ucs-2 | |
1607 * 2. convert from ucs-2 to 'encoding' | |
1608 * | |
1609 * Because there may be illegal bytes AND an incomplete byte | |
1610 * sequence at the end, we may have to do the conversion one | |
1611 * character at a time to get it right. | |
7 | 1612 */ |
595 | 1613 |
1614 /* Replacement string for WideCharToMultiByte(). */ | |
1615 if (bad_char_behavior > 0) | |
1616 replstr[0] = bad_char_behavior; | |
1617 else | |
1618 replstr[0] = '?'; | |
1619 replstr[1] = NUL; | |
1620 | |
1621 /* | |
1622 * Move the bytes to the end of the buffer, so that we have | |
1623 * room to put the result at the start. | |
1624 */ | |
1625 src = ptr + real_size - size; | |
1626 mch_memmove(src, ptr, size); | |
7 | 1627 |
1628 /* | |
595 | 1629 * Do the conversion. |
7 | 1630 */ |
595 | 1631 dst = ptr; |
1632 size = size; | |
1633 while (size > 0) | |
7 | 1634 { |
595 | 1635 found_bad = FALSE; |
7 | 1636 |
1637 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
595 | 1638 if (codepage == CP_UTF8) |
7 | 1639 { |
595 | 1640 /* Handle CP_UTF8 input ourselves to be able to handle |
1641 * trailing bytes properly. | |
1642 * Get one UTF-8 character from src. */ | |
835 | 1643 bytelen = (int)utf_ptr2len_len(src, size); |
595 | 1644 if (bytelen > size) |
1645 { | |
1646 /* Only got some bytes of a character. Normally | |
1647 * it's put in "conv_rest", but if it's too long | |
1648 * deal with it as if they were illegal bytes. */ | |
1649 if (bytelen <= CONV_RESTLEN) | |
1650 break; | |
1651 | |
1652 /* weird overlong byte sequence */ | |
1653 bytelen = size; | |
1654 found_bad = TRUE; | |
1655 } | |
1656 else | |
1657 { | |
799 | 1658 int u8c = utf_ptr2char(src); |
1659 | |
622 | 1660 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
595 | 1661 found_bad = TRUE; |
1662 ucs2buf[0] = u8c; | |
1663 ucs2len = 1; | |
1664 } | |
7 | 1665 } |
595 | 1666 else |
7 | 1667 # endif |
595 | 1668 { |
1669 /* We don't know how long the byte sequence is, try | |
1670 * from one to three bytes. */ | |
1671 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
1672 ++bytelen) | |
1673 { | |
1674 ucs2len = MultiByteToWideChar(codepage, | |
1675 MB_ERR_INVALID_CHARS, | |
1676 (LPCSTR)src, bytelen, | |
1677 ucs2buf, 3); | |
1678 if (ucs2len > 0) | |
1679 break; | |
1680 } | |
1681 if (ucs2len == 0) | |
1682 { | |
1683 /* If we have only one byte then it's probably an | |
1684 * incomplete byte sequence. Otherwise discard | |
1685 * one byte as a bad character. */ | |
1686 if (size == 1) | |
1687 break; | |
1688 found_bad = TRUE; | |
1689 bytelen = 1; | |
1690 } | |
1691 } | |
1692 | |
1693 if (!found_bad) | |
7 | 1694 { |
595 | 1695 int i; |
1696 | |
1697 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
1698 if (enc_utf8) | |
1699 { | |
1700 /* From UCS-2 to UTF-8. Cannot fail. */ | |
1701 for (i = 0; i < ucs2len; ++i) | |
1702 dst += utf_char2bytes(ucs2buf[i], dst); | |
1703 } | |
1704 else | |
1705 { | |
1706 BOOL bad = FALSE; | |
1707 int dstlen; | |
1708 | |
1709 /* From UCS-2 to "enc_codepage". If the | |
1710 * conversion uses the default character "?", | |
1711 * the data doesn't fit in this encoding. */ | |
1712 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
1713 (LPCWSTR)ucs2buf, ucs2len, | |
835 | 1714 (LPSTR)dst, (int)(src - dst), |
595 | 1715 replstr, &bad); |
1716 if (bad) | |
1717 found_bad = TRUE; | |
1718 else | |
1719 dst += dstlen; | |
1720 } | |
7 | 1721 } |
595 | 1722 |
1723 if (found_bad) | |
1724 { | |
1725 /* Deal with bytes we can't convert. */ | |
1726 if (can_retry) | |
1727 goto rewind_retry; | |
1728 if (conv_error == 0) | |
1729 conv_error = readfile_linenr(linecnt, ptr, dst); | |
1730 if (bad_char_behavior != BAD_DROP) | |
1731 { | |
1732 if (bad_char_behavior == BAD_KEEP) | |
1733 { | |
1734 mch_memmove(dst, src, bytelen); | |
1735 dst += bytelen; | |
1736 } | |
1737 else | |
1738 *dst++ = bad_char_behavior; | |
1739 } | |
1740 } | |
1741 | |
1742 src += bytelen; | |
1743 size -= bytelen; | |
7 | 1744 } |
595 | 1745 |
1746 if (size > 0) | |
7 | 1747 { |
595 | 1748 /* An incomplete byte sequence remaining. */ |
1749 mch_memmove(conv_rest, src, size); | |
1750 conv_restlen = size; | |
7 | 1751 } |
595 | 1752 |
1753 /* The new size is equal to how much "dst" was advanced. */ | |
835 | 1754 size = (long)(dst - ptr); |
7 | 1755 } |
1756 else | |
1757 # endif | |
765 | 1758 # ifdef MACOS_CONVERT |
7 | 1759 if (fio_flags & FIO_MACROMAN) |
1760 { | |
1761 /* | |
1762 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
18 | 1763 * latin1. This is in os_mac_conv.c. |
7 | 1764 */ |
18 | 1765 if (macroman2enc(ptr, &size, real_size) == FAIL) |
7 | 1766 goto rewind_retry; |
1767 } | |
1768 else | |
1769 # endif | |
1770 if (fio_flags != 0) | |
1771 { | |
1772 int u8c; | |
1773 char_u *dest; | |
1774 char_u *tail = NULL; | |
1775 | |
1776 /* | |
1777 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
1778 * "enc_utf8" not set: Convert Unicode to Latin1. | |
1779 * Go from end to start through the buffer, because the number | |
1780 * of bytes may increase. | |
1781 * "dest" points to after where the UTF-8 bytes go, "p" points | |
1782 * to after the next character to convert. | |
1783 */ | |
1784 dest = ptr + real_size; | |
1785 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
1786 { | |
1787 p = ptr + size; | |
1788 if (fio_flags == FIO_UTF8) | |
1789 { | |
1790 /* Check for a trailing incomplete UTF-8 sequence */ | |
1791 tail = ptr + size - 1; | |
1792 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
1793 --tail; | |
1794 if (tail + utf_byte2len(*tail) <= ptr + size) | |
1795 tail = NULL; | |
1796 else | |
1797 p = tail; | |
1798 } | |
1799 } | |
1800 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1801 { | |
1802 /* Check for a trailing byte */ | |
1803 p = ptr + (size & ~1); | |
1804 if (size & 1) | |
1805 tail = p; | |
1806 if ((fio_flags & FIO_UTF16) && p > ptr) | |
1807 { | |
1808 /* Check for a trailing leading word */ | |
1809 if (fio_flags & FIO_ENDIAN_L) | |
1810 { | |
1811 u8c = (*--p << 8); | |
1812 u8c += *--p; | |
1813 } | |
1814 else | |
1815 { | |
1816 u8c = *--p; | |
1817 u8c += (*--p << 8); | |
1818 } | |
1819 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
1820 tail = p; | |
1821 else | |
1822 p += 2; | |
1823 } | |
1824 } | |
1825 else /* FIO_UCS4 */ | |
1826 { | |
1827 /* Check for trailing 1, 2 or 3 bytes */ | |
1828 p = ptr + (size & ~3); | |
1829 if (size & 3) | |
1830 tail = p; | |
1831 } | |
1832 | |
1833 /* If there is a trailing incomplete sequence move it to | |
1834 * conv_rest[]. */ | |
1835 if (tail != NULL) | |
1836 { | |
1837 conv_restlen = (int)((ptr + size) - tail); | |
1838 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
1839 size -= conv_restlen; | |
1840 } | |
1841 | |
1842 | |
1843 while (p > ptr) | |
1844 { | |
1845 if (fio_flags & FIO_LATIN1) | |
1846 u8c = *--p; | |
1847 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1848 { | |
1849 if (fio_flags & FIO_ENDIAN_L) | |
1850 { | |
1851 u8c = (*--p << 8); | |
1852 u8c += *--p; | |
1853 } | |
1854 else | |
1855 { | |
1856 u8c = *--p; | |
1857 u8c += (*--p << 8); | |
1858 } | |
1859 if ((fio_flags & FIO_UTF16) | |
1860 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
1861 { | |
1862 int u16c; | |
1863 | |
1864 if (p == ptr) | |
1865 { | |
1866 /* Missing leading word. */ | |
1867 if (can_retry) | |
1868 goto rewind_retry; | |
595 | 1869 if (conv_error == 0) |
1870 conv_error = readfile_linenr(linecnt, | |
1871 ptr, p); | |
1872 if (bad_char_behavior == BAD_DROP) | |
1873 continue; | |
1874 if (bad_char_behavior != BAD_KEEP) | |
1875 u8c = bad_char_behavior; | |
7 | 1876 } |
1877 | |
1878 /* found second word of double-word, get the first | |
1879 * word and compute the resulting character */ | |
1880 if (fio_flags & FIO_ENDIAN_L) | |
1881 { | |
1882 u16c = (*--p << 8); | |
1883 u16c += *--p; | |
1884 } | |
1885 else | |
1886 { | |
1887 u16c = *--p; | |
1888 u16c += (*--p << 8); | |
1889 } | |
595 | 1890 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
1891 + (u8c & 0x3ff); | |
1892 | |
7 | 1893 /* Check if the word is indeed a leading word. */ |
1894 if (u16c < 0xd800 || u16c > 0xdbff) | |
1895 { | |
1896 if (can_retry) | |
1897 goto rewind_retry; | |
595 | 1898 if (conv_error == 0) |
1899 conv_error = readfile_linenr(linecnt, | |
1900 ptr, p); | |
1901 if (bad_char_behavior == BAD_DROP) | |
1902 continue; | |
1903 if (bad_char_behavior != BAD_KEEP) | |
1904 u8c = bad_char_behavior; | |
7 | 1905 } |
1906 } | |
1907 } | |
1908 else if (fio_flags & FIO_UCS4) | |
1909 { | |
1910 if (fio_flags & FIO_ENDIAN_L) | |
1911 { | |
1912 u8c = (*--p << 24); | |
1913 u8c += (*--p << 16); | |
1914 u8c += (*--p << 8); | |
1915 u8c += *--p; | |
1916 } | |
1917 else /* big endian */ | |
1918 { | |
1919 u8c = *--p; | |
1920 u8c += (*--p << 8); | |
1921 u8c += (*--p << 16); | |
1922 u8c += (*--p << 24); | |
1923 } | |
1924 } | |
1925 else /* UTF-8 */ | |
1926 { | |
1927 if (*--p < 0x80) | |
1928 u8c = *p; | |
1929 else | |
1930 { | |
1931 len = utf_head_off(ptr, p); | |
595 | 1932 p -= len; |
1933 u8c = utf_ptr2char(p); | |
7 | 1934 if (len == 0) |
1935 { | |
1936 /* Not a valid UTF-8 character, retry with | |
1937 * another fenc when possible, otherwise just | |
1938 * report the error. */ | |
1939 if (can_retry) | |
1940 goto rewind_retry; | |
595 | 1941 if (conv_error == 0) |
1942 conv_error = readfile_linenr(linecnt, | |
1943 ptr, p); | |
1944 if (bad_char_behavior == BAD_DROP) | |
1945 continue; | |
1946 if (bad_char_behavior != BAD_KEEP) | |
1947 u8c = bad_char_behavior; | |
7 | 1948 } |
1949 } | |
1950 } | |
1951 if (enc_utf8) /* produce UTF-8 */ | |
1952 { | |
1953 dest -= utf_char2len(u8c); | |
1954 (void)utf_char2bytes(u8c, dest); | |
1955 } | |
1956 else /* produce Latin1 */ | |
1957 { | |
1958 --dest; | |
1959 if (u8c >= 0x100) | |
1960 { | |
1961 /* character doesn't fit in latin1, retry with | |
1962 * another fenc when possible, otherwise just | |
1963 * report the error. */ | |
595 | 1964 if (can_retry) |
7 | 1965 goto rewind_retry; |
595 | 1966 if (conv_error == 0) |
1967 conv_error = readfile_linenr(linecnt, ptr, p); | |
1968 if (bad_char_behavior == BAD_DROP) | |
1969 ++dest; | |
1970 else if (bad_char_behavior == BAD_KEEP) | |
1971 *dest = u8c; | |
1972 else if (eap != NULL && eap->bad_char != 0) | |
1973 *dest = bad_char_behavior; | |
1974 else | |
1975 *dest = 0xBF; | |
7 | 1976 } |
1977 else | |
1978 *dest = u8c; | |
1979 } | |
1980 } | |
1981 | |
1982 /* move the linerest to before the converted characters */ | |
1983 line_start = dest - linerest; | |
1984 mch_memmove(line_start, buffer, (size_t)linerest); | |
1985 size = (long)((ptr + real_size) - dest); | |
1986 ptr = dest; | |
1987 } | |
1597 | 1988 else if (enc_utf8 && !curbuf->b_p_bin) |
1989 { | |
1990 int incomplete_tail = FALSE; | |
1991 | |
1992 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
1993 for (p = ptr; ; ++p) | |
7 | 1994 { |
835 | 1995 int todo = (int)((ptr + size) - p); |
595 | 1996 int l; |
1997 | |
1998 if (todo <= 0) | |
1999 break; | |
7 | 2000 if (*p >= 0x80) |
2001 { | |
2002 /* A length of 1 means it's an illegal byte. Accept | |
2003 * an incomplete character at the end though, the next | |
2004 * read() will get the next bytes, we'll check it | |
2005 * then. */ | |
595 | 2006 l = utf_ptr2len_len(p, todo); |
1597 | 2007 if (l > todo && !incomplete_tail) |
7 | 2008 { |
1597 | 2009 /* Avoid retrying with a different encoding when |
2010 * a truncated file is more likely, or attempting | |
2011 * to read the rest of an incomplete sequence when | |
2012 * we have already done so. */ | |
2013 if (p > ptr || filesize > 0) | |
2014 incomplete_tail = TRUE; | |
2015 /* Incomplete byte sequence, move it to conv_rest[] | |
2016 * and try to read the rest of it, unless we've | |
2017 * already done so. */ | |
2018 if (p > ptr) | |
2019 { | |
2020 conv_restlen = todo; | |
2021 mch_memmove(conv_rest, p, conv_restlen); | |
2022 size -= conv_restlen; | |
2023 break; | |
2024 } | |
7 | 2025 } |
1597 | 2026 if (l == 1 || l > todo) |
595 | 2027 { |
2028 /* Illegal byte. If we can try another encoding | |
1597 | 2029 * do that, unless at EOF where a truncated |
2030 * file is more likely than a conversion error. */ | |
2031 if (can_retry && !incomplete_tail) | |
595 | 2032 break; |
2033 # ifdef USE_ICONV | |
2034 /* When we did a conversion report an error. */ | |
2035 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
2036 conv_error = readfile_linenr(linecnt, ptr, p); | |
2037 # endif | |
1597 | 2038 /* Remember the first linenr with an illegal byte */ |
2039 if (conv_error == 0 && illegal_byte == 0) | |
2040 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
595 | 2041 |
2042 /* Drop, keep or replace the bad byte. */ | |
2043 if (bad_char_behavior == BAD_DROP) | |
2044 { | |
1597 | 2045 mch_memmove(p, p + 1, todo - 1); |
595 | 2046 --p; |
2047 --size; | |
2048 } | |
2049 else if (bad_char_behavior != BAD_KEEP) | |
2050 *p = bad_char_behavior; | |
2051 } | |
1597 | 2052 else |
2053 p += l - 1; | |
7 | 2054 } |
2055 } | |
1597 | 2056 if (p < ptr + size && !incomplete_tail) |
7 | 2057 { |
2058 /* Detected a UTF-8 error. */ | |
2059 rewind_retry: | |
595 | 2060 /* Retry reading with another conversion. */ |
7 | 2061 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
595 | 2062 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
2063 /* iconv() failed, try 'charconvert' */ | |
2064 did_iconv = TRUE; | |
7 | 2065 else |
2066 # endif | |
595 | 2067 /* use next item from 'fileencodings' */ |
2068 advance_fenc = TRUE; | |
2069 file_rewind = TRUE; | |
2070 goto retry; | |
7 | 2071 } |
2072 } | |
2073 #endif | |
2074 | |
2075 /* count the number of characters (after conversion!) */ | |
2076 filesize += size; | |
2077 | |
2078 /* | |
2079 * when reading the first part of a file: guess EOL type | |
2080 */ | |
2081 if (fileformat == EOL_UNKNOWN) | |
2082 { | |
2083 /* First try finding a NL, for Dos and Unix */ | |
2084 if (try_dos || try_unix) | |
2085 { | |
2086 for (p = ptr; p < ptr + size; ++p) | |
2087 { | |
2088 if (*p == NL) | |
2089 { | |
2090 if (!try_unix | |
2091 || (try_dos && p > ptr && p[-1] == CAR)) | |
2092 fileformat = EOL_DOS; | |
2093 else | |
2094 fileformat = EOL_UNIX; | |
2095 break; | |
2096 } | |
2097 } | |
2098 | |
2099 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
2100 if (fileformat == EOL_UNIX && try_mac) | |
2101 { | |
2102 /* Need to reset the counters when retrying fenc. */ | |
2103 try_mac = 1; | |
2104 try_unix = 1; | |
2105 for (; p >= ptr && *p != CAR; p--) | |
2106 ; | |
2107 if (p >= ptr) | |
2108 { | |
2109 for (p = ptr; p < ptr + size; ++p) | |
2110 { | |
2111 if (*p == NL) | |
2112 try_unix++; | |
2113 else if (*p == CAR) | |
2114 try_mac++; | |
2115 } | |
2116 if (try_mac > try_unix) | |
2117 fileformat = EOL_MAC; | |
2118 } | |
2119 } | |
2120 } | |
2121 | |
2122 /* No NL found: may use Mac format */ | |
2123 if (fileformat == EOL_UNKNOWN && try_mac) | |
2124 fileformat = EOL_MAC; | |
2125 | |
2126 /* Still nothing found? Use first format in 'ffs' */ | |
2127 if (fileformat == EOL_UNKNOWN) | |
2128 fileformat = default_fileformat(); | |
2129 | |
2130 /* if editing a new file: may set p_tx and p_ff */ | |
819 | 2131 if (set_options) |
7 | 2132 set_fileformat(fileformat, OPT_LOCAL); |
2133 } | |
2134 } | |
2135 | |
2136 /* | |
2137 * This loop is executed once for every character read. | |
2138 * Keep it fast! | |
2139 */ | |
2140 if (fileformat == EOL_MAC) | |
2141 { | |
2142 --ptr; | |
2143 while (++ptr, --size >= 0) | |
2144 { | |
2145 /* catch most common case first */ | |
2146 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
2147 continue; | |
2148 if (c == NUL) | |
2149 *ptr = NL; /* NULs are replaced by newlines! */ | |
2150 else if (c == NL) | |
2151 *ptr = CAR; /* NLs are replaced by CRs! */ | |
2152 else | |
2153 { | |
2154 if (skip_count == 0) | |
2155 { | |
2156 *ptr = NUL; /* end of line */ | |
2157 len = (colnr_T) (ptr - line_start + 1); | |
2158 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2159 { | |
2160 error = TRUE; | |
2161 break; | |
2162 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2163 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2164 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2165 sha256_update(&sha_ctx, line_start, len); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2166 #endif |
7 | 2167 ++lnum; |
2168 if (--read_count == 0) | |
2169 { | |
2170 error = TRUE; /* break loop */ | |
2171 line_start = ptr; /* nothing left to write */ | |
2172 break; | |
2173 } | |
2174 } | |
2175 else | |
2176 --skip_count; | |
2177 line_start = ptr + 1; | |
2178 } | |
2179 } | |
2180 } | |
2181 else | |
2182 { | |
2183 --ptr; | |
2184 while (++ptr, --size >= 0) | |
2185 { | |
2186 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
2187 continue; | |
2188 if (c == NUL) | |
2189 *ptr = NL; /* NULs are replaced by newlines! */ | |
2190 else | |
2191 { | |
2192 if (skip_count == 0) | |
2193 { | |
2194 *ptr = NUL; /* end of line */ | |
2195 len = (colnr_T)(ptr - line_start + 1); | |
2196 if (fileformat == EOL_DOS) | |
2197 { | |
2198 if (ptr[-1] == CAR) /* remove CR */ | |
2199 { | |
2200 ptr[-1] = NUL; | |
2201 --len; | |
2202 } | |
2203 /* | |
2204 * Reading in Dos format, but no CR-LF found! | |
2205 * When 'fileformats' includes "unix", delete all | |
2206 * the lines read so far and start all over again. | |
2207 * Otherwise give an error message later. | |
2208 */ | |
2209 else if (ff_error != EOL_DOS) | |
2210 { | |
2211 if ( try_unix | |
2212 && !read_stdin | |
2213 && (read_buffer | |
2214 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
2215 { | |
2216 fileformat = EOL_UNIX; | |
819 | 2217 if (set_options) |
7 | 2218 set_fileformat(EOL_UNIX, OPT_LOCAL); |
2219 file_rewind = TRUE; | |
2220 keep_fileformat = TRUE; | |
2221 goto retry; | |
2222 } | |
2223 ff_error = EOL_DOS; | |
2224 } | |
2225 } | |
2226 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2227 { | |
2228 error = TRUE; | |
2229 break; | |
2230 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2231 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2232 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2233 sha256_update(&sha_ctx, line_start, len); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2234 #endif |
7 | 2235 ++lnum; |
2236 if (--read_count == 0) | |
2237 { | |
2238 error = TRUE; /* break loop */ | |
2239 line_start = ptr; /* nothing left to write */ | |
2240 break; | |
2241 } | |
2242 } | |
2243 else | |
2244 --skip_count; | |
2245 line_start = ptr + 1; | |
2246 } | |
2247 } | |
2248 } | |
2249 linerest = (long)(ptr - line_start); | |
2250 ui_breakcheck(); | |
2251 } | |
2252 | |
2253 failed: | |
2254 /* not an error, max. number of lines reached */ | |
2255 if (error && read_count == 0) | |
2256 error = FALSE; | |
2257 | |
2258 /* | |
2259 * If we get EOF in the middle of a line, note the fact and | |
2260 * complete the line ourselves. | |
2261 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
2262 */ | |
2263 if (!error | |
2264 && !got_int | |
2265 && linerest != 0 | |
2266 && !(!curbuf->b_p_bin | |
2267 && fileformat == EOL_DOS | |
2268 && *line_start == Ctrl_Z | |
2269 && ptr == line_start + 1)) | |
2270 { | |
819 | 2271 /* remember for when writing */ |
2272 if (set_options) | |
7 | 2273 curbuf->b_p_eol = FALSE; |
2274 *ptr = NUL; | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2275 len = (colnr_T)(ptr - line_start + 1); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2276 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
7 | 2277 error = TRUE; |
2278 else | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2279 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2280 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2281 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2282 sha256_update(&sha_ctx, line_start, len); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2283 #endif |
7 | 2284 read_no_eol_lnum = ++lnum; |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2285 } |
7 | 2286 } |
2287 | |
819 | 2288 if (set_options) |
7 | 2289 save_file_ff(curbuf); /* remember the current file format */ |
2290 | |
2291 #ifdef FEAT_CRYPT | |
2267 | 2292 if (cryptkey != NULL) |
2293 { | |
2294 crypt_pop_state(); | |
2295 if (cryptkey != curbuf->b_p_key) | |
2296 free_crypt_key(cryptkey); | |
2297 /* don't set cryptkey to NULL, it's used below as a flag that | |
2298 * encryption was used */ | |
2299 } | |
7 | 2300 #endif |
2301 | |
2302 #ifdef FEAT_MBYTE | |
819 | 2303 /* If editing a new file: set 'fenc' for the current buffer. |
2304 * Also for ":read ++edit file". */ | |
2305 if (set_options) | |
7 | 2306 set_string_option_direct((char_u *)"fenc", -1, fenc, |
694 | 2307 OPT_FREE|OPT_LOCAL, 0); |
7 | 2308 if (fenc_alloced) |
2309 vim_free(fenc); | |
2310 # ifdef USE_ICONV | |
2311 if (iconv_fd != (iconv_t)-1) | |
2312 { | |
2313 iconv_close(iconv_fd); | |
2314 iconv_fd = (iconv_t)-1; | |
2315 } | |
2316 # endif | |
2317 #endif | |
2318 | |
2319 if (!read_buffer && !read_stdin) | |
2320 close(fd); /* errors are ignored */ | |
2003 | 2321 #ifdef HAVE_FD_CLOEXEC |
2322 else | |
2323 { | |
2324 int fdflags = fcntl(fd, F_GETFD); | |
2325 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
2326 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
2327 } | |
2328 #endif | |
7 | 2329 vim_free(buffer); |
2330 | |
2331 #ifdef HAVE_DUP | |
2332 if (read_stdin) | |
2333 { | |
2334 /* Use stderr for stdin, makes shell commands work. */ | |
2335 close(0); | |
1757 | 2336 ignored = dup(2); |
7 | 2337 } |
2338 #endif | |
2339 | |
2340 #ifdef FEAT_MBYTE | |
2341 if (tmpname != NULL) | |
2342 { | |
2343 mch_remove(tmpname); /* delete converted file */ | |
2344 vim_free(tmpname); | |
2345 } | |
2346 #endif | |
2347 --no_wait_return; /* may wait for return now */ | |
2348 | |
2349 /* | |
2350 * In recovery mode everything but autocommands is skipped. | |
2351 */ | |
2352 if (!recoverymode) | |
2353 { | |
2354 /* need to delete the last line, which comes from the empty buffer */ | |
2355 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
2356 { | |
2357 #ifdef FEAT_NETBEANS_INTG | |
2358 netbeansFireChanges = 0; | |
2359 #endif | |
2360 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
2361 #ifdef FEAT_NETBEANS_INTG | |
2362 netbeansFireChanges = 1; | |
2363 #endif | |
2364 --linecnt; | |
2365 } | |
2366 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
2367 if (filesize == 0) | |
2368 linecnt = 0; | |
2369 if (newfile || read_buffer) | |
1201 | 2370 { |
7 | 2371 redraw_curbuf_later(NOT_VALID); |
1201 | 2372 #ifdef FEAT_DIFF |
2373 /* After reading the text into the buffer the diff info needs to | |
2374 * be updated. */ | |
2375 diff_invalidate(curbuf); | |
2376 #endif | |
2377 #ifdef FEAT_FOLDING | |
2378 /* All folds in the window are invalid now. Mark them for update | |
2379 * before triggering autocommands. */ | |
2380 foldUpdateAll(curwin); | |
2381 #endif | |
2382 } | |
7 | 2383 else if (linecnt) /* appended at least one line */ |
2384 appended_lines_mark(from, linecnt); | |
2385 | |
2386 #ifndef ALWAYS_USE_GUI | |
2387 /* | |
2388 * If we were reading from the same terminal as where messages go, | |
2389 * the screen will have been messed up. | |
2390 * Switch on raw mode now and clear the screen. | |
2391 */ | |
2392 if (read_stdin) | |
2393 { | |
2394 settmode(TMODE_RAW); /* set to raw mode */ | |
2395 starttermcap(); | |
2396 screenclear(); | |
2397 } | |
2398 #endif | |
2399 | |
2400 if (got_int) | |
2401 { | |
2402 if (!(flags & READ_DUMMY)) | |
2403 { | |
2404 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
2405 if (newfile) | |
2406 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
2407 } | |
2408 msg_scroll = msg_save; | |
2409 #ifdef FEAT_VIMINFO | |
2410 check_marks_read(); | |
2411 #endif | |
2412 return OK; /* an interrupt isn't really an error */ | |
2413 } | |
2414 | |
2415 if (!filtering && !(flags & READ_DUMMY)) | |
2416 { | |
2417 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
2418 c = FALSE; | |
2419 | |
2420 #ifdef UNIX | |
2421 # ifdef S_ISFIFO | |
2422 if (S_ISFIFO(perm)) /* fifo or socket */ | |
2423 { | |
2424 STRCAT(IObuff, _("[fifo/socket]")); | |
2425 c = TRUE; | |
2426 } | |
2427 # else | |
2428 # ifdef S_IFIFO | |
2429 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
2430 { | |
2431 STRCAT(IObuff, _("[fifo]")); | |
2432 c = TRUE; | |
2433 } | |
2434 # endif | |
2435 # ifdef S_IFSOCK | |
2436 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
2437 { | |
2438 STRCAT(IObuff, _("[socket]")); | |
2439 c = TRUE; | |
2440 } | |
2441 # endif | |
2442 # endif | |
1313 | 2443 # ifdef OPEN_CHR_FILES |
2444 if (S_ISCHR(perm)) /* or character special */ | |
2445 { | |
2446 STRCAT(IObuff, _("[character special]")); | |
2447 c = TRUE; | |
2448 } | |
2449 # endif | |
7 | 2450 #endif |
2451 if (curbuf->b_p_ro) | |
2452 { | |
2453 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
2454 c = TRUE; | |
2455 } | |
2456 if (read_no_eol_lnum) | |
2457 { | |
2458 msg_add_eol(); | |
2459 c = TRUE; | |
2460 } | |
2461 if (ff_error == EOL_DOS) | |
2462 { | |
2463 STRCAT(IObuff, _("[CR missing]")); | |
2464 c = TRUE; | |
2465 } | |
2466 if (split) | |
2467 { | |
2468 STRCAT(IObuff, _("[long lines split]")); | |
2469 c = TRUE; | |
2470 } | |
2471 #ifdef FEAT_MBYTE | |
2472 if (notconverted) | |
2473 { | |
2474 STRCAT(IObuff, _("[NOT converted]")); | |
2475 c = TRUE; | |
2476 } | |
2477 else if (converted) | |
2478 { | |
2479 STRCAT(IObuff, _("[converted]")); | |
2480 c = TRUE; | |
2481 } | |
2482 #endif | |
2483 #ifdef FEAT_CRYPT | |
2484 if (cryptkey != NULL) | |
2485 { | |
2486 STRCAT(IObuff, _("[crypted]")); | |
2487 c = TRUE; | |
2488 } | |
2489 #endif | |
2490 #ifdef FEAT_MBYTE | |
595 | 2491 if (conv_error != 0) |
2492 { | |
2493 sprintf((char *)IObuff + STRLEN(IObuff), | |
2494 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
7 | 2495 c = TRUE; |
2496 } | |
2497 else if (illegal_byte > 0) | |
2498 { | |
2499 sprintf((char *)IObuff + STRLEN(IObuff), | |
2500 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
2501 c = TRUE; | |
2502 } | |
2503 else | |
2504 #endif | |
2505 if (error) | |
2506 { | |
2507 STRCAT(IObuff, _("[READ ERRORS]")); | |
2508 c = TRUE; | |
2509 } | |
2510 if (msg_add_fileformat(fileformat)) | |
2511 c = TRUE; | |
2512 #ifdef FEAT_CRYPT | |
2513 if (cryptkey != NULL) | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2514 msg_add_lines(c, (long)linecnt, filesize |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2515 - CRYPT_MAGIC_LEN |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2516 - crypt_salt_len[use_crypt_method] |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2517 - crypt_seed_len[use_crypt_method]); |
7 | 2518 else |
2519 #endif | |
2520 msg_add_lines(c, (long)linecnt, filesize); | |
2521 | |
2522 vim_free(keep_msg); | |
2523 keep_msg = NULL; | |
2524 msg_scrolled_ign = TRUE; | |
2525 #ifdef ALWAYS_USE_GUI | |
2526 /* Don't show the message when reading stdin, it would end up in a | |
2527 * message box (which might be shown when exiting!) */ | |
2528 if (read_stdin || read_buffer) | |
2529 p = msg_may_trunc(FALSE, IObuff); | |
2530 else | |
2531 #endif | |
2532 p = msg_trunc_attr(IObuff, FALSE, 0); | |
2533 if (read_stdin || read_buffer || restart_edit != 0 | |
540 | 2534 || (msg_scrolled != 0 && !need_wait_return)) |
7 | 2535 /* Need to repeat the message after redrawing when: |
2536 * - When reading from stdin (the screen will be cleared next). | |
2537 * - When restart_edit is set (otherwise there will be a delay | |
2538 * before redrawing). | |
2539 * - When the screen was scrolled but there is no wait-return | |
2540 * prompt. */ | |
679 | 2541 set_keep_msg(p, 0); |
7 | 2542 msg_scrolled_ign = FALSE; |
2543 } | |
2544 | |
2545 /* with errors writing the file requires ":w!" */ | |
2546 if (newfile && (error | |
2547 #ifdef FEAT_MBYTE | |
595 | 2548 || conv_error != 0 |
679 | 2549 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
7 | 2550 #endif |
2551 )) | |
2552 curbuf->b_p_ro = TRUE; | |
2553 | |
2554 u_clearline(); /* cannot use "U" command after adding lines */ | |
2555 | |
2556 /* | |
2557 * In Ex mode: cursor at last new line. | |
2558 * Otherwise: cursor at first new line. | |
2559 */ | |
2560 if (exmode_active) | |
2561 curwin->w_cursor.lnum = from + linecnt; | |
2562 else | |
2563 curwin->w_cursor.lnum = from + 1; | |
2564 check_cursor_lnum(); | |
2565 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
2566 | |
2567 /* | |
2568 * Set '[ and '] marks to the newly read lines. | |
2569 */ | |
2570 curbuf->b_op_start.lnum = from + 1; | |
2571 curbuf->b_op_start.col = 0; | |
2572 curbuf->b_op_end.lnum = from + linecnt; | |
2573 curbuf->b_op_end.col = 0; | |
696 | 2574 |
2575 #ifdef WIN32 | |
2576 /* | |
2577 * Work around a weird problem: When a file has two links (only | |
2578 * possible on NTFS) and we write through one link, then stat() it | |
1651 | 2579 * through the other link, the timestamp information may be wrong. |
696 | 2580 * It's correct again after reading the file, thus reset the timestamp |
2581 * here. | |
2582 */ | |
2583 if (newfile && !read_stdin && !read_buffer | |
2584 && mch_stat((char *)fname, &st) >= 0) | |
2585 { | |
2586 buf_store_time(curbuf, &st, fname); | |
2587 curbuf->b_mtime_read = curbuf->b_mtime; | |
2588 } | |
2589 #endif | |
7 | 2590 } |
2591 msg_scroll = msg_save; | |
2592 | |
2593 #ifdef FEAT_VIMINFO | |
2594 /* | |
2595 * Get the marks before executing autocommands, so they can be used there. | |
2596 */ | |
2597 check_marks_read(); | |
2598 #endif | |
2599 | |
2600 /* | |
2601 * Trick: We remember if the last line of the read didn't have | |
2602 * an eol for when writing it again. This is required for | |
2603 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
2604 */ | |
2605 write_no_eol_lnum = read_no_eol_lnum; | |
2606 | |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2607 /* When reloading a buffer put the cursor at the first line that is |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2608 * different. */ |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2609 if (flags & READ_KEEP_UNDO) |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2610 u_find_first_changed(); |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2611 |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2612 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2613 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2614 * When opening a new file locate undo info and read it. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2615 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2616 if (read_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2617 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2618 char_u hash[UNDO_HASH_SIZE]; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2619 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2620 sha256_finish(&sha_ctx, hash); |
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2217
diff
changeset
|
2621 u_read_undo(NULL, hash, fname); |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2622 } |
f8222d1f9a73
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2623 #endif |
f8222d1f9a73
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diff
changeset
|
2624 |
167 | 2625 #ifdef FEAT_AUTOCMD |
7 | 2626 if (!read_stdin && !read_buffer) |
2627 { | |
2628 int m = msg_scroll; | |
2629 int n = msg_scrolled; | |
2630 | |
2631 /* Save the fileformat now, otherwise the buffer will be considered | |
2632 * modified if the format/encoding was automatically detected. */ | |
819 | 2633 if (set_options) |
7 | 2634 save_file_ff(curbuf); |
2635 | |
2636 /* | |
2637 * The output from the autocommands should not overwrite anything and | |
2638 * should not be overwritten: Set msg_scroll, restore its value if no | |
2639 * output was done. | |
2640 */ | |
2641 msg_scroll = TRUE; | |
2642 if (filtering) | |
2643 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
2644 FALSE, curbuf, eap); | |
2645 else if (newfile) | |
2646 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
2647 FALSE, curbuf, eap); | |
2648 else | |
2649 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
2650 FALSE, NULL, eap); | |
2651 if (msg_scrolled == n) | |
2652 msg_scroll = m; | |
2653 #ifdef FEAT_EVAL | |
2654 if (aborting()) /* autocmds may abort script processing */ | |
2655 return FAIL; | |
2656 #endif | |
2657 } | |
2658 #endif | |
2659 | |
2660 if (recoverymode && error) | |
2661 return FAIL; | |
2662 return OK; | |
2663 } | |
2664 | |
1313 | 2665 #ifdef OPEN_CHR_FILES |
2666 /* | |
2667 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
2668 * which is the name of files used for process substitution output by | |
2669 * some shells on some operating systems, e.g., bash on SunOS. | |
2670 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
2671 */ | |
2672 static int | |
2673 is_dev_fd_file(fname) | |
2674 char_u *fname; | |
2675 { | |
2676 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
2677 && VIM_ISDIGIT(fname[8]) | |
2678 && *skipdigits(fname + 9) == NUL | |
2679 && (fname[9] != NUL | |
2680 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
2681 } | |
2682 #endif | |
2683 | |
595 | 2684 #ifdef FEAT_MBYTE |
2685 | |
2686 /* | |
2687 * From the current line count and characters read after that, estimate the | |
2688 * line number where we are now. | |
2689 * Used for error messages that include a line number. | |
2690 */ | |
2691 static linenr_T | |
2692 readfile_linenr(linecnt, p, endp) | |
2693 linenr_T linecnt; /* line count before reading more bytes */ | |
2694 char_u *p; /* start of more bytes read */ | |
2695 char_u *endp; /* end of more bytes read */ | |
2696 { | |
2697 char_u *s; | |
2698 linenr_T lnum; | |
2699 | |
2700 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
2701 for (s = p; s < endp; ++s) | |
2702 if (*s == '\n') | |
2703 ++lnum; | |
2704 return lnum; | |
2705 } | |
2706 #endif | |
2707 | |
7 | 2708 /* |
612 | 2709 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
2710 * equal to the buffer "buf". Used for calling readfile(). | |
7 | 2711 * Returns OK or FAIL. |
2712 */ | |
2713 int | |
2714 prep_exarg(eap, buf) | |
2715 exarg_T *eap; | |
2716 buf_T *buf; | |
2717 { | |
2718 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
2719 #ifdef FEAT_MBYTE | |
2720 + STRLEN(buf->b_p_fenc) | |
2721 #endif | |
2722 + 15)); | |
2723 if (eap->cmd == NULL) | |
2724 return FAIL; | |
2725 | |
2726 #ifdef FEAT_MBYTE | |
2727 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
2728 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
612 | 2729 eap->bad_char = buf->b_bad_char; |
7 | 2730 #else |
2731 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
2732 #endif | |
2733 eap->force_ff = 7; | |
612 | 2734 |
2735 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
819 | 2736 eap->read_edit = FALSE; |
612 | 2737 eap->forceit = FALSE; |
7 | 2738 return OK; |
2739 } | |
2740 | |
2741 #ifdef FEAT_MBYTE | |
2742 /* | |
2743 * Find next fileencoding to use from 'fileencodings'. | |
2744 * "pp" points to fenc_next. It's advanced to the next item. | |
2745 * When there are no more items, an empty string is returned and *pp is set to | |
2746 * NULL. | |
2747 * When *pp is not set to NULL, the result is in allocated memory. | |
2748 */ | |
2749 static char_u * | |
2750 next_fenc(pp) | |
2751 char_u **pp; | |
2752 { | |
2753 char_u *p; | |
2754 char_u *r; | |
2755 | |
2756 if (**pp == NUL) | |
2757 { | |
2758 *pp = NULL; | |
2759 return (char_u *)""; | |
2760 } | |
2761 p = vim_strchr(*pp, ','); | |
2762 if (p == NULL) | |
2763 { | |
2764 r = enc_canonize(*pp); | |
2765 *pp += STRLEN(*pp); | |
2766 } | |
2767 else | |
2768 { | |
2769 r = vim_strnsave(*pp, (int)(p - *pp)); | |
2770 *pp = p + 1; | |
2771 if (r != NULL) | |
2772 { | |
2773 p = enc_canonize(r); | |
2774 vim_free(r); | |
2775 r = p; | |
2776 } | |
2777 } | |
2778 if (r == NULL) /* out of memory */ | |
2779 { | |
2780 r = (char_u *)""; | |
2781 *pp = NULL; | |
2782 } | |
2783 return r; | |
2784 } | |
2785 | |
2786 # ifdef FEAT_EVAL | |
2787 /* | |
2788 * Convert a file with the 'charconvert' expression. | |
2789 * This closes the file which is to be read, converts it and opens the | |
2790 * resulting file for reading. | |
2791 * Returns name of the resulting converted file (the caller should delete it | |
2792 * after reading it). | |
2793 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
2794 */ | |
2795 static char_u * | |
2796 readfile_charconvert(fname, fenc, fdp) | |
2797 char_u *fname; /* name of input file */ | |
2798 char_u *fenc; /* converted from */ | |
2799 int *fdp; /* in/out: file descriptor of file */ | |
2800 { | |
2801 char_u *tmpname; | |
2802 char_u *errmsg = NULL; | |
2803 | |
2804 tmpname = vim_tempname('r'); | |
2805 if (tmpname == NULL) | |
2806 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
2807 else | |
2808 { | |
2809 close(*fdp); /* close the input file, ignore errors */ | |
2810 *fdp = -1; | |
2811 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
2812 fname, tmpname) == FAIL) | |
2813 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
2814 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
2815 O_RDONLY | O_EXTRA, 0)) < 0) | |
2816 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
2817 } | |
2818 | |
2819 if (errmsg != NULL) | |
2820 { | |
2821 /* Don't use emsg(), it breaks mappings, the retry with | |
2822 * another type of conversion might still work. */ | |
2823 MSG(errmsg); | |
2824 if (tmpname != NULL) | |
2825 { | |
2826 mch_remove(tmpname); /* delete converted file */ | |
2827 vim_free(tmpname); | |
2828 tmpname = NULL; | |
2829 } | |
2830 } | |
2831 | |
2832 /* If the input file is closed, open it (caller should check for error). */ | |
2833 if (*fdp < 0) | |
2834 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
2835 | |
2836 return tmpname; | |
2837 } | |
2838 # endif | |
2839 | |
2840 #endif | |
2841 | |
2842 #ifdef FEAT_VIMINFO | |
2843 /* | |
2844 * Read marks for the current buffer from the viminfo file, when we support | |
2845 * buffer marks and the buffer has a name. | |
2846 */ | |
2847 static void | |
2848 check_marks_read() | |
2849 { | |
2850 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
2851 && curbuf->b_ffname != NULL) | |
1733 | 2852 read_viminfo(NULL, VIF_WANT_MARKS); |
7 | 2853 |
2854 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
2855 * the ' parameter after opening a buffer. */ | |
2856 curbuf->b_marks_read = TRUE; | |
2857 } | |
2858 #endif | |
2859 | |
2239
732cb7b31956
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|
2860 #if defined(FEAT_CRYPT) || defined(PROTO) |
7 | 2861 /* |
2180
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2862 * Get the crypt method used for a file from "ptr[len]", the magic text at the |
f60a0c9cbe6c
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|
2863 * start of the file. |
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|
2864 * Returns -1 when no encryption used. |
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
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|
2865 */ |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2866 static int |
2360
d8e4b27cef80
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Bram Moolenaar <bram@vim.org>
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diff
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|
2867 crypt_method_from_magic(ptr, len) |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
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|
2868 char *ptr; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2869 int len; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2870 { |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2871 int i; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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changeset
|
2872 |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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diff
changeset
|
2873 for (i = 0; i < (int)(sizeof(crypt_magic) / sizeof(crypt_magic[0])); i++) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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diff
changeset
|
2874 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
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2261
diff
changeset
|
2875 if (len < (CRYPT_MAGIC_LEN + crypt_salt_len[i] + crypt_seed_len[i])) |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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diff
changeset
|
2876 continue; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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diff
changeset
|
2877 if (memcmp(ptr, crypt_magic[i], CRYPT_MAGIC_LEN) == 0) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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diff
changeset
|
2878 return i; |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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diff
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|
2879 } |
2204
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2180
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changeset
|
2880 |
2217
120502692d82
Improve the MS-Windows installer.
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2215
diff
changeset
|
2881 i = (int)STRLEN(crypt_magic_head); |
2204
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A few more changes for encryption. Add test that encrypted file can be read.
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diff
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|
2882 if (len >= i && memcmp(ptr, crypt_magic_head, i) == 0) |
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
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2180
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|
2883 EMSG(_("E821: File is encrypted with unknown method")); |
c493d6bfde09
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|
2884 |
2180
f60a0c9cbe6c
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|
2885 return -1; |
f60a0c9cbe6c
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|
2886 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2887 |
f60a0c9cbe6c
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|
2888 /* |
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|
2889 * Check for magic number used for encryption. Applies to the current buffer. |
7 | 2890 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
2891 * *filesizep are updated. | |
2892 * Return the (new) encryption key, NULL for no encryption. | |
2893 */ | |
2894 static char_u * | |
2267 | 2895 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, fname, did_ask) |
7 | 2896 char_u *cryptkey; /* previous encryption key or NULL */ |
2897 char_u *ptr; /* pointer to read bytes */ | |
2898 long *sizep; /* length of read bytes */ | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
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2239
diff
changeset
|
2899 off_t *filesizep; /* nr of bytes used from file */ |
7 | 2900 int newfile; /* editing a new buffer */ |
2267 | 2901 char_u *fname; /* file name to display */ |
2204
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|
2902 int *did_ask; /* flag: whether already asked for key */ |
7 | 2903 { |
2360
d8e4b27cef80
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|
2904 int method = crypt_method_from_magic((char *)ptr, *sizep); |
2180
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2905 |
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|
2906 if (method >= 0) |
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|
2907 { |
2360
d8e4b27cef80
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|
2908 set_crypt_method(curbuf, method); |
2180
f60a0c9cbe6c
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|
2909 if (method > 0) |
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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changeset
|
2910 (void)blowfish_self_test(); |
2204
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|
2911 if (cryptkey == NULL && !*did_ask) |
7 | 2912 { |
2913 if (*curbuf->b_p_key) | |
2914 cryptkey = curbuf->b_p_key; | |
2915 else | |
2916 { | |
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|
2917 /* When newfile is TRUE, store the typed key in the 'key' |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2918 * option and don't free it. bf needs hash of the key saved. |
2204
c493d6bfde09
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changeset
|
2919 * Don't ask for the key again when first time Enter was hit. |
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|
2920 * Happens when retrying to detect encoding. */ |
2267 | 2921 smsg((char_u *)_(need_key_msg), fname); |
2922 msg_scroll = TRUE; | |
7 | 2923 cryptkey = get_crypt_key(newfile, FALSE); |
2204
c493d6bfde09
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|
2924 *did_ask = TRUE; |
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2180
diff
changeset
|
2925 |
7 | 2926 /* check if empty key entered */ |
2927 if (cryptkey != NULL && *cryptkey == NUL) | |
2928 { | |
2929 if (cryptkey != curbuf->b_p_key) | |
2930 vim_free(cryptkey); | |
2931 cryptkey = NULL; | |
2932 } | |
2933 } | |
2934 } | |
2935 | |
2936 if (cryptkey != NULL) | |
2937 { | |
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f60a0c9cbe6c
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diff
changeset
|
2938 int seed_len = crypt_seed_len[method]; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
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2261
diff
changeset
|
2939 int salt_len = crypt_salt_len[method]; |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2940 |
2267 | 2941 crypt_push_state(); |
2942 use_crypt_method = method; | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2943 if (method == 0) |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2944 crypt_init_keys(cryptkey); |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2945 else |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2946 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2947 bf_key_init(cryptkey, ptr + CRYPT_MAGIC_LEN, salt_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2948 bf_ofb_init(ptr + CRYPT_MAGIC_LEN + salt_len, seed_len); |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2949 } |
7 | 2950 |
2951 /* Remove magic number from the text */ | |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2952 *filesizep += CRYPT_MAGIC_LEN + salt_len + seed_len; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2953 *sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len; |
2267 | 2954 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len, |
2955 (size_t)*sizep); | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2956 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2957 } |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2958 /* When starting to edit a new file which does not have encryption, clear |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2959 * the 'key' option, except when starting up (called with -x argument) */ |
2410
8f6106dd3d12
Fix: editing a not encrypted file after a crypted file messed up reading the
Bram Moolenaar <bram@vim.org>
parents:
2394
diff
changeset
|
2960 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
7 | 2961 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
2962 | |
2963 return cryptkey; | |
2964 } | |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2965 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2966 /* |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2967 * Check for magic number used for encryption. Applies to the current buffer. |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2968 * If found and decryption is possible returns OK; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2969 */ |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2970 int |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2971 prepare_crypt_read(fp) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2972 FILE *fp; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2973 { |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2974 int method; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2975 char_u buffer[CRYPT_MAGIC_LEN + CRYPT_SALT_LEN_MAX |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2976 + CRYPT_SEED_LEN_MAX + 2]; |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2977 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2978 if (fread(buffer, CRYPT_MAGIC_LEN, 1, fp) != 1) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2979 return FAIL; |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2980 method = crypt_method_from_magic((char *)buffer, |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2981 CRYPT_MAGIC_LEN + |
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2982 CRYPT_SEED_LEN_MAX + |
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2983 CRYPT_SALT_LEN_MAX); |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2984 if (method < 0 || method != get_crypt_method(curbuf)) |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2985 return FAIL; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2986 |
2267 | 2987 crypt_push_state(); |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2988 if (method == 0) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2989 crypt_init_keys(curbuf->b_p_key); |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2990 else |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2991 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2992 int salt_len = crypt_salt_len[method]; |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2993 int seed_len = crypt_seed_len[method]; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2994 |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2995 if (fread(buffer, salt_len + seed_len, 1, fp) != 1) |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2996 return FAIL; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2997 bf_key_init(curbuf->b_p_key, buffer, salt_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2998 bf_ofb_init(buffer + salt_len, seed_len); |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2999 } |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3000 return OK; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3001 } |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3002 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3003 /* |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3004 * Prepare for writing encrypted bytes for buffer "buf". |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3005 * Returns a pointer to an allocated header of length "*lenp". |
2267 | 3006 * When out of memory returns NULL. |
3007 * Otherwise calls crypt_push_state(), call crypt_pop_state() later. | |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3008 */ |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3009 char_u * |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3010 prepare_crypt_write(buf, lenp) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3011 buf_T *buf; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3012 int *lenp; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3013 { |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3014 char_u *header; |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3015 int seed_len = crypt_seed_len[get_crypt_method(buf)]; |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3016 int salt_len = crypt_salt_len[get_crypt_method(buf)]; |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3017 char_u *salt; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3018 char_u *seed; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3019 |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3020 header = alloc_clear(CRYPT_MAGIC_LEN + CRYPT_SALT_LEN_MAX |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3021 + CRYPT_SEED_LEN_MAX + 2); |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3022 if (header != NULL) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3023 { |
2267 | 3024 crypt_push_state(); |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3025 use_crypt_method = get_crypt_method(buf); /* select zip or blowfish */ |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3026 vim_strncpy(header, (char_u *)crypt_magic[use_crypt_method], |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3027 CRYPT_MAGIC_LEN); |
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3028 if (use_crypt_method == 0) |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3029 crypt_init_keys(buf->b_p_key); |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3030 else |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3031 { |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3032 /* Using blowfish, add salt and seed. */ |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3033 salt = header + CRYPT_MAGIC_LEN; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3034 seed = salt + salt_len; |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3035 sha2_seed(salt, salt_len, seed, seed_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3036 bf_key_init(buf->b_p_key, salt, salt_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3037 bf_ofb_init(seed, seed_len); |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3038 } |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3039 } |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3040 *lenp = CRYPT_MAGIC_LEN + salt_len + seed_len; |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3041 return header; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3042 } |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3043 |
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3044 #endif /* FEAT_CRYPT */ |
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3045 |
7 | 3046 #ifdef UNIX |
3047 static void | |
3048 set_file_time(fname, atime, mtime) | |
3049 char_u *fname; | |
3050 time_t atime; /* access time */ | |
3051 time_t mtime; /* modification time */ | |
3052 { | |
3053 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
3054 struct utimbuf buf; | |
3055 | |
3056 buf.actime = atime; | |
3057 buf.modtime = mtime; | |
3058 (void)utime((char *)fname, &buf); | |
3059 # else | |
3060 # if defined(HAVE_UTIMES) | |
3061 struct timeval tvp[2]; | |
3062 | |
3063 tvp[0].tv_sec = atime; | |
3064 tvp[0].tv_usec = 0; | |
3065 tvp[1].tv_sec = mtime; | |
3066 tvp[1].tv_usec = 0; | |
3067 # ifdef NeXT | |
3068 (void)utimes((char *)fname, tvp); | |
3069 # else | |
3070 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
3071 # endif | |
3072 # endif | |
3073 # endif | |
3074 } | |
3075 #endif /* UNIX */ | |
3076 | |
22 | 3077 #if defined(VMS) && !defined(MIN) |
3078 /* Older DECC compiler for VAX doesn't define MIN() */ | |
3079 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
3080 #endif | |
3081 | |
7 | 3082 /* |
1303 | 3083 * Return TRUE if a file appears to be read-only from the file permissions. |
3084 */ | |
3085 int | |
3086 check_file_readonly(fname, perm) | |
3087 char_u *fname; /* full path to file */ | |
3088 int perm; /* known permissions on file */ | |
3089 { | |
3090 #ifndef USE_MCH_ACCESS | |
3091 int fd = 0; | |
3092 #endif | |
3093 | |
3094 return ( | |
3095 #ifdef USE_MCH_ACCESS | |
3096 # ifdef UNIX | |
3097 (perm & 0222) == 0 || | |
3098 # endif | |
3099 mch_access((char *)fname, W_OK) | |
3100 #else | |
3101 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
3102 ? TRUE : (close(fd), FALSE) | |
3103 #endif | |
3104 ); | |
3105 } | |
3106 | |
3107 | |
3108 /* | |
589 | 3109 * buf_write() - write to file "fname" lines "start" through "end" |
7 | 3110 * |
3111 * We do our own buffering here because fwrite() is so slow. | |
3112 * | |
589 | 3113 * If "forceit" is true, we don't care for errors when attempting backups. |
3114 * In case of an error everything possible is done to restore the original | |
1698 | 3115 * file. But when "forceit" is TRUE, we risk losing it. |
589 | 3116 * |
3117 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
3118 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
7 | 3119 * |
3120 * This function must NOT use NameBuff (because it's called by autowrite()). | |
3121 * | |
3122 * return FAIL for failure, OK otherwise | |
3123 */ | |
3124 int | |
3125 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
3126 reset_changed, filtering) | |
3127 buf_T *buf; | |
3128 char_u *fname; | |
3129 char_u *sfname; | |
3130 linenr_T start, end; | |
3131 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
3132 NULL! */ | |
589 | 3133 int append; /* append to the file */ |
7 | 3134 int forceit; |
3135 int reset_changed; | |
3136 int filtering; | |
3137 { | |
3138 int fd; | |
3139 char_u *backup = NULL; | |
3140 int backup_copy = FALSE; /* copy the original file? */ | |
3141 int dobackup; | |
3142 char_u *ffname; | |
3143 char_u *wfname = NULL; /* name of file to write to */ | |
3144 char_u *s; | |
3145 char_u *ptr; | |
3146 char_u c; | |
3147 int len; | |
3148 linenr_T lnum; | |
3149 long nchars; | |
3150 char_u *errmsg = NULL; | |
1947 | 3151 int errmsg_allocated = FALSE; |
7 | 3152 char_u *errnum = NULL; |
3153 char_u *buffer; | |
3154 char_u smallbuf[SMBUFSIZE]; | |
3155 char_u *backup_ext; | |
3156 int bufsize; | |
3157 long perm; /* file permissions */ | |
3158 int retval = OK; | |
3159 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
3160 int msg_save = msg_scroll; | |
3161 int overwriting; /* TRUE if writing over original */ | |
3162 int no_eol = FALSE; /* no end-of-line written */ | |
3163 int device = FALSE; /* writing to a device */ | |
3164 struct stat st_old; | |
3165 int prev_got_int = got_int; | |
3166 int file_readonly = FALSE; /* overwritten file is read-only */ | |
3167 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
3168 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
3169 int made_writable = FALSE; /* 'w' bit has been set */ | |
3170 #endif | |
3171 /* writing everything */ | |
3172 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
3173 #ifdef FEAT_AUTOCMD | |
3174 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
3175 #endif | |
3176 int attr; | |
3177 int fileformat; | |
3178 int write_bin; | |
3179 struct bw_info write_info; /* info for buf_write_bytes() */ | |
3180 #ifdef FEAT_MBYTE | |
3181 int converted = FALSE; | |
3182 int notconverted = FALSE; | |
3183 char_u *fenc; /* effective 'fileencoding' */ | |
3184 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
3185 #endif | |
3186 #ifdef HAS_BW_FLAGS | |
3187 int wb_flags = 0; | |
3188 #endif | |
3189 #ifdef HAVE_ACL | |
3190 vim_acl_T acl = NULL; /* ACL copied from original file to | |
3191 backup or new file */ | |
3192 #endif | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3193 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3194 int write_undo_file = FALSE; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3195 context_sha256_T sha_ctx; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3196 #endif |
7 | 3197 |
3198 if (fname == NULL || *fname == NUL) /* safety check */ | |
3199 return FAIL; | |
2028 | 3200 if (buf->b_ml.ml_mfp == NULL) |
3201 { | |
3202 /* This can happen during startup when there is a stray "w" in the | |
3203 * vimrc file. */ | |
3204 EMSG(_(e_emptybuf)); | |
3205 return FAIL; | |
3206 } | |
7 | 3207 |
3208 /* | |
3209 * Disallow writing from .exrc and .vimrc in current directory for | |
3210 * security reasons. | |
3211 */ | |
3212 if (check_secure()) | |
3213 return FAIL; | |
3214 | |
3215 /* Avoid a crash for a long name. */ | |
3216 if (STRLEN(fname) >= MAXPATHL) | |
3217 { | |
3218 EMSG(_(e_longname)); | |
3219 return FAIL; | |
3220 } | |
3221 | |
3222 #ifdef FEAT_MBYTE | |
3223 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
3224 write_info.bw_conv_buf = NULL; | |
3225 write_info.bw_conv_error = FALSE; | |
1947 | 3226 write_info.bw_conv_error_lnum = 0; |
7 | 3227 write_info.bw_restlen = 0; |
3228 # ifdef USE_ICONV | |
3229 write_info.bw_iconv_fd = (iconv_t)-1; | |
3230 # endif | |
3231 #endif | |
3232 | |
167 | 3233 /* After writing a file changedtick changes but we don't want to display |
3234 * the line. */ | |
3235 ex_no_reprint = TRUE; | |
3236 | |
7 | 3237 /* |
3238 * If there is no file name yet, use the one for the written file. | |
3239 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
3240 * Don't do this when the write is for a filter command. | |
589 | 3241 * Don't do this when appending. |
3242 * Only do this when 'cpoptions' contains the 'F' flag. | |
7 | 3243 */ |
633 | 3244 if (buf->b_ffname == NULL |
3245 && reset_changed | |
7 | 3246 && whole |
3247 && buf == curbuf | |
236 | 3248 #ifdef FEAT_QUICKFIX |
3249 && !bt_nofile(buf) | |
3250 #endif | |
7 | 3251 && !filtering |
589 | 3252 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
7 | 3253 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
3254 { | |
633 | 3255 if (set_rw_fname(fname, sfname) == FAIL) |
7 | 3256 return FAIL; |
633 | 3257 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
7 | 3258 } |
3259 | |
3260 if (sfname == NULL) | |
3261 sfname = fname; | |
3262 /* | |
3263 * For Unix: Use the short file name whenever possible. | |
3264 * Avoids problems with networks and when directory names are changed. | |
3265 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
3266 * another directory, which we don't detect | |
3267 */ | |
3268 ffname = fname; /* remember full fname */ | |
3269 #ifdef UNIX | |
3270 fname = sfname; | |
3271 #endif | |
3272 | |
3273 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
3274 overwriting = TRUE; | |
3275 else | |
3276 overwriting = FALSE; | |
3277 | |
3278 if (exiting) | |
3279 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
3280 | |
3281 ++no_wait_return; /* don't wait for return yet */ | |
3282 | |
3283 /* | |
3284 * Set '[ and '] marks to the lines to be written. | |
3285 */ | |
3286 buf->b_op_start.lnum = start; | |
3287 buf->b_op_start.col = 0; | |
3288 buf->b_op_end.lnum = end; | |
3289 buf->b_op_end.col = 0; | |
3290 | |
3291 #ifdef FEAT_AUTOCMD | |
3292 { | |
3293 aco_save_T aco; | |
3294 int buf_ffname = FALSE; | |
3295 int buf_sfname = FALSE; | |
3296 int buf_fname_f = FALSE; | |
3297 int buf_fname_s = FALSE; | |
3298 int did_cmd = FALSE; | |
17 | 3299 int nofile_err = FALSE; |
161 | 3300 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
7 | 3301 |
3302 /* | |
3303 * Apply PRE aucocommands. | |
3304 * Set curbuf to the buffer to be written. | |
3305 * Careful: The autocommands may call buf_write() recursively! | |
3306 */ | |
3307 if (ffname == buf->b_ffname) | |
3308 buf_ffname = TRUE; | |
3309 if (sfname == buf->b_sfname) | |
3310 buf_sfname = TRUE; | |
3311 if (fname == buf->b_ffname) | |
3312 buf_fname_f = TRUE; | |
3313 if (fname == buf->b_sfname) | |
3314 buf_fname_s = TRUE; | |
3315 | |
3316 /* set curwin/curbuf to buf and save a few things */ | |
3317 aucmd_prepbuf(&aco, buf); | |
3318 | |
3319 if (append) | |
3320 { | |
3321 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
3322 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3323 { |
635 | 3324 #ifdef FEAT_QUICKFIX |
18 | 3325 if (overwriting && bt_nofile(curbuf)) |
17 | 3326 nofile_err = TRUE; |
3327 else | |
635 | 3328 #endif |
17 | 3329 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
7 | 3330 sfname, sfname, FALSE, curbuf, eap); |
17 | 3331 } |
7 | 3332 } |
3333 else if (filtering) | |
3334 { | |
3335 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
3336 NULL, sfname, FALSE, curbuf, eap); | |
3337 } | |
3338 else if (reset_changed && whole) | |
3339 { | |
3340 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
3341 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3342 { |
635 | 3343 #ifdef FEAT_QUICKFIX |
179 | 3344 if (overwriting && bt_nofile(curbuf)) |
17 | 3345 nofile_err = TRUE; |
3346 else | |
635 | 3347 #endif |
17 | 3348 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
7 | 3349 sfname, sfname, FALSE, curbuf, eap); |
17 | 3350 } |
7 | 3351 } |
3352 else | |
3353 { | |
3354 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
3355 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3356 { |
635 | 3357 #ifdef FEAT_QUICKFIX |
179 | 3358 if (overwriting && bt_nofile(curbuf)) |
17 | 3359 nofile_err = TRUE; |
3360 else | |
635 | 3361 #endif |
17 | 3362 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
7 | 3363 sfname, sfname, FALSE, curbuf, eap); |
17 | 3364 } |
7 | 3365 } |
3366 | |
3367 /* restore curwin/curbuf and a few other things */ | |
3368 aucmd_restbuf(&aco); | |
3369 | |
3370 /* | |
3371 * In three situations we return here and don't write the file: | |
3372 * 1. the autocommands deleted or unloaded the buffer. | |
3373 * 2. The autocommands abort script processing. | |
3374 * 3. If one of the "Cmd" autocommands was executed. | |
3375 */ | |
3376 if (!buf_valid(buf)) | |
3377 buf = NULL; | |
161 | 3378 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
532 | 3379 || did_cmd || nofile_err |
3380 #ifdef FEAT_EVAL | |
3381 || aborting() | |
3382 #endif | |
3383 ) | |
7 | 3384 { |
3385 --no_wait_return; | |
3386 msg_scroll = msg_save; | |
17 | 3387 if (nofile_err) |
3388 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
3389 | |
532 | 3390 if (nofile_err |
3391 #ifdef FEAT_EVAL | |
3392 || aborting() | |
3393 #endif | |
3394 ) | |
7 | 3395 /* An aborting error, interrupt or exception in the |
3396 * autocommands. */ | |
3397 return FAIL; | |
3398 if (did_cmd) | |
3399 { | |
3400 if (buf == NULL) | |
3401 /* The buffer was deleted. We assume it was written | |
3402 * (can't retry anyway). */ | |
3403 return OK; | |
3404 if (overwriting) | |
3405 { | |
3406 /* Assume the buffer was written, update the timestamp. */ | |
3407 ml_timestamp(buf); | |
589 | 3408 if (append) |
3409 buf->b_flags &= ~BF_NEW; | |
3410 else | |
3411 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 3412 } |
589 | 3413 if (reset_changed && buf->b_changed && !append |
39 | 3414 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
7 | 3415 /* Buffer still changed, the autocommands didn't work |
3416 * properly. */ | |
3417 return FAIL; | |
3418 return OK; | |
3419 } | |
3420 #ifdef FEAT_EVAL | |
3421 if (!aborting()) | |
3422 #endif | |
3423 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
3424 return FAIL; | |
3425 } | |
3426 | |
3427 /* | |
3428 * The autocommands may have changed the number of lines in the file. | |
3429 * When writing the whole file, adjust the end. | |
3430 * When writing part of the file, assume that the autocommands only | |
3431 * changed the number of lines that are to be written (tricky!). | |
3432 */ | |
3433 if (buf->b_ml.ml_line_count != old_line_count) | |
3434 { | |
3435 if (whole) /* write all */ | |
3436 end = buf->b_ml.ml_line_count; | |
3437 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
3438 end += buf->b_ml.ml_line_count - old_line_count; | |
3439 else /* less lines */ | |
3440 { | |
3441 end -= old_line_count - buf->b_ml.ml_line_count; | |
3442 if (end < start) | |
3443 { | |
3444 --no_wait_return; | |
3445 msg_scroll = msg_save; | |
3446 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
3447 return FAIL; | |
3448 } | |
3449 } | |
3450 } | |
3451 | |
3452 /* | |
3453 * The autocommands may have changed the name of the buffer, which may | |
3454 * be kept in fname, ffname and sfname. | |
3455 */ | |
3456 if (buf_ffname) | |
3457 ffname = buf->b_ffname; | |
3458 if (buf_sfname) | |
3459 sfname = buf->b_sfname; | |
3460 if (buf_fname_f) | |
3461 fname = buf->b_ffname; | |
3462 if (buf_fname_s) | |
3463 fname = buf->b_sfname; | |
3464 } | |
3465 #endif | |
3466 | |
3467 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3468 if (netbeans_active() && isNetbeansBuffer(buf)) |
7 | 3469 { |
3470 if (whole) | |
3471 { | |
3472 /* | |
3473 * b_changed can be 0 after an undo, but we still need to write | |
3474 * the buffer to NetBeans. | |
3475 */ | |
3476 if (buf->b_changed || isNetbeansModified(buf)) | |
3477 { | |
33 | 3478 --no_wait_return; /* may wait for return now */ |
3479 msg_scroll = msg_save; | |
3480 netbeans_save_buffer(buf); /* no error checking... */ | |
7 | 3481 return retval; |
3482 } | |
3483 else | |
3484 { | |
3485 errnum = (char_u *)"E656: "; | |
1653 | 3486 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
7 | 3487 buffer = NULL; |
3488 goto fail; | |
3489 } | |
3490 } | |
3491 else | |
3492 { | |
3493 errnum = (char_u *)"E657: "; | |
3494 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
3495 buffer = NULL; | |
3496 goto fail; | |
3497 } | |
3498 } | |
3499 #endif | |
3500 | |
3501 if (shortmess(SHM_OVER) && !exiting) | |
3502 msg_scroll = FALSE; /* overwrite previous file message */ | |
3503 else | |
3504 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
3505 if (!filtering) | |
3506 filemess(buf, | |
3507 #ifndef UNIX | |
3508 sfname, | |
3509 #else | |
3510 fname, | |
3511 #endif | |
3512 (char_u *)"", 0); /* show that we are busy */ | |
3513 msg_scroll = FALSE; /* always overwrite the file message now */ | |
3514 | |
3515 buffer = alloc(BUFSIZE); | |
3516 if (buffer == NULL) /* can't allocate big buffer, use small | |
3517 * one (to be able to write when out of | |
3518 * memory) */ | |
3519 { | |
3520 buffer = smallbuf; | |
3521 bufsize = SMBUFSIZE; | |
3522 } | |
3523 else | |
3524 bufsize = BUFSIZE; | |
3525 | |
3526 /* | |
3527 * Get information about original file (if there is one). | |
3528 */ | |
3529 #if defined(UNIX) && !defined(ARCHIE) | |
1438 | 3530 st_old.st_dev = 0; |
3531 st_old.st_ino = 0; | |
7 | 3532 perm = -1; |
3533 if (mch_stat((char *)fname, &st_old) < 0) | |
3534 newfile = TRUE; | |
3535 else | |
3536 { | |
3537 perm = st_old.st_mode; | |
3538 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
3539 { | |
3540 if (S_ISDIR(st_old.st_mode)) | |
3541 { | |
3542 errnum = (char_u *)"E502: "; | |
3543 errmsg = (char_u *)_("is a directory"); | |
3544 goto fail; | |
3545 } | |
3546 if (mch_nodetype(fname) != NODE_WRITABLE) | |
3547 { | |
3548 errnum = (char_u *)"E503: "; | |
3549 errmsg = (char_u *)_("is not a file or writable device"); | |
3550 goto fail; | |
3551 } | |
3552 /* It's a device of some kind (or a fifo) which we can write to | |
3553 * but for which we can't make a backup. */ | |
3554 device = TRUE; | |
3555 newfile = TRUE; | |
3556 perm = -1; | |
3557 } | |
3558 } | |
3559 #else /* !UNIX */ | |
3560 /* | |
3561 * Check for a writable device name. | |
3562 */ | |
3563 c = mch_nodetype(fname); | |
3564 if (c == NODE_OTHER) | |
3565 { | |
3566 errnum = (char_u *)"E503: "; | |
3567 errmsg = (char_u *)_("is not a file or writable device"); | |
3568 goto fail; | |
3569 } | |
3570 if (c == NODE_WRITABLE) | |
3571 { | |
1004 | 3572 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
3573 /* MS-Windows allows opening a device, but we will probably get stuck | |
3574 * trying to write to it. */ | |
3575 if (!p_odev) | |
3576 { | |
3577 errnum = (char_u *)"E796: "; | |
3578 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
3579 goto fail; | |
3580 } | |
3581 # endif | |
7 | 3582 device = TRUE; |
3583 newfile = TRUE; | |
3584 perm = -1; | |
3585 } | |
3586 else | |
3587 { | |
3588 perm = mch_getperm(fname); | |
3589 if (perm < 0) | |
3590 newfile = TRUE; | |
3591 else if (mch_isdir(fname)) | |
3592 { | |
3593 errnum = (char_u *)"E502: "; | |
3594 errmsg = (char_u *)_("is a directory"); | |
3595 goto fail; | |
3596 } | |
3597 if (overwriting) | |
3598 (void)mch_stat((char *)fname, &st_old); | |
3599 } | |
3600 #endif /* !UNIX */ | |
3601 | |
3602 if (!device && !newfile) | |
3603 { | |
3604 /* | |
3605 * Check if the file is really writable (when renaming the file to | |
3606 * make a backup we won't discover it later). | |
3607 */ | |
1303 | 3608 file_readonly = check_file_readonly(fname, (int)perm); |
3609 | |
7 | 3610 if (!forceit && file_readonly) |
3611 { | |
3612 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
3613 { | |
3614 errnum = (char_u *)"E504: "; | |
3615 errmsg = (char_u *)_(err_readonly); | |
3616 } | |
3617 else | |
3618 { | |
3619 errnum = (char_u *)"E505: "; | |
3620 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
3621 } | |
3622 goto fail; | |
3623 } | |
3624 | |
3625 /* | |
3626 * Check if the timestamp hasn't changed since reading the file. | |
3627 */ | |
3628 if (overwriting) | |
3629 { | |
3630 retval = check_mtime(buf, &st_old); | |
3631 if (retval == FAIL) | |
3632 goto fail; | |
3633 } | |
3634 } | |
3635 | |
3636 #ifdef HAVE_ACL | |
3637 /* | |
3638 * For systems that support ACL: get the ACL from the original file. | |
3639 */ | |
3640 if (!newfile) | |
3641 acl = mch_get_acl(fname); | |
3642 #endif | |
3643 | |
3644 /* | |
3645 * If 'backupskip' is not empty, don't make a backup for some files. | |
3646 */ | |
3647 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
3648 #ifdef FEAT_WILDIGN | |
3649 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
3650 dobackup = FALSE; | |
3651 #endif | |
3652 | |
3653 /* | |
3654 * Save the value of got_int and reset it. We don't want a previous | |
3655 * interruption cancel writing, only hitting CTRL-C while writing should | |
3656 * abort it. | |
3657 */ | |
3658 prev_got_int = got_int; | |
3659 got_int = FALSE; | |
3660 | |
3661 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
3662 buf->b_saving = TRUE; | |
3663 | |
3664 /* | |
3665 * If we are not appending or filtering, the file exists, and the | |
3666 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
3667 * When 'patchmode' is set also make a backup when appending. | |
3668 * | |
3669 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
3670 * off. This helps when editing large files on almost-full disks. | |
3671 */ | |
3672 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
3673 { | |
3674 #if defined(UNIX) || defined(WIN32) | |
3675 struct stat st; | |
3676 #endif | |
3677 | |
3678 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
3679 backup_copy = TRUE; | |
3680 #if defined(UNIX) || defined(WIN32) | |
3681 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
3682 { | |
3683 int i; | |
3684 | |
3685 # ifdef UNIX | |
3686 /* | |
3687 * Don't rename the file when: | |
3688 * - it's a hard link | |
3689 * - it's a symbolic link | |
3690 * - we don't have write permission in the directory | |
3691 * - we can't set the owner/group of the new file | |
3692 */ | |
3693 if (st_old.st_nlink > 1 | |
3694 || mch_lstat((char *)fname, &st) < 0 | |
3695 || st.st_dev != st_old.st_dev | |
557 | 3696 || st.st_ino != st_old.st_ino |
3697 # ifndef HAVE_FCHOWN | |
3698 || st.st_uid != st_old.st_uid | |
3699 || st.st_gid != st_old.st_gid | |
3700 # endif | |
3701 ) | |
7 | 3702 backup_copy = TRUE; |
3703 else | |
696 | 3704 # else |
3705 # ifdef WIN32 | |
3706 /* On NTFS file systems hard links are possible. */ | |
3707 if (mch_is_linked(fname)) | |
3708 backup_copy = TRUE; | |
3709 else | |
3710 # endif | |
7 | 3711 # endif |
3712 { | |
3713 /* | |
3714 * Check if we can create a file and set the owner/group to | |
3715 * the ones from the original file. | |
3716 * First find a file name that doesn't exist yet (use some | |
3717 * arbitrary numbers). | |
3718 */ | |
3719 STRCPY(IObuff, fname); | |
3720 for (i = 4913; ; i += 123) | |
3721 { | |
3722 sprintf((char *)gettail(IObuff), "%d", i); | |
557 | 3723 if (mch_lstat((char *)IObuff, &st) < 0) |
7 | 3724 break; |
3725 } | |
557 | 3726 fd = mch_open((char *)IObuff, |
3727 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
7 | 3728 if (fd < 0) /* can't write in directory */ |
3729 backup_copy = TRUE; | |
3730 else | |
3731 { | |
3732 # ifdef UNIX | |
557 | 3733 # ifdef HAVE_FCHOWN |
1757 | 3734 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 3735 # endif |
7 | 3736 if (mch_stat((char *)IObuff, &st) < 0 |
3737 || st.st_uid != st_old.st_uid | |
3738 || st.st_gid != st_old.st_gid | |
1877 | 3739 || (long)st.st_mode != perm) |
7 | 3740 backup_copy = TRUE; |
3741 # endif | |
567 | 3742 /* Close the file before removing it, on MS-Windows we |
3743 * can't delete an open file. */ | |
3744 close(fd); | |
7 | 3745 mch_remove(IObuff); |
2523
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3746 # ifdef MSWIN |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3747 /* MS-Windows may trigger a virus scanner to open the |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3748 * file, we can't delete it then. Keep trying for half a |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3749 * second. */ |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3750 { |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3751 int try; |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3752 |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3753 for (try = 0; try < 10; ++try) |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3754 { |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3755 if (mch_lstat((char *)IObuff, &st) < 0) |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3756 break; |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3757 ui_delay(50L, TRUE); /* wait 50 msec */ |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3758 mch_remove(IObuff); |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3759 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3760 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3761 # endif |
7 | 3762 } |
3763 } | |
3764 } | |
3765 | |
3766 # ifdef UNIX | |
3767 /* | |
3768 * Break symlinks and/or hardlinks if we've been asked to. | |
3769 */ | |
3770 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
3771 { | |
3772 int lstat_res; | |
3773 | |
3774 lstat_res = mch_lstat((char *)fname, &st); | |
3775 | |
3776 /* Symlinks. */ | |
3777 if ((bkc_flags & BKC_BREAKSYMLINK) | |
3778 && lstat_res == 0 | |
3779 && st.st_ino != st_old.st_ino) | |
3780 backup_copy = FALSE; | |
3781 | |
3782 /* Hardlinks. */ | |
3783 if ((bkc_flags & BKC_BREAKHARDLINK) | |
3784 && st_old.st_nlink > 1 | |
3785 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
3786 backup_copy = FALSE; | |
3787 } | |
3788 #endif | |
3789 | |
3790 #endif | |
3791 | |
3792 /* make sure we have a valid backup extension to use */ | |
3793 if (*p_bex == NUL) | |
3794 { | |
3795 #ifdef RISCOS | |
3796 backup_ext = (char_u *)"/bak"; | |
3797 #else | |
3798 backup_ext = (char_u *)".bak"; | |
3799 #endif | |
3800 } | |
3801 else | |
3802 backup_ext = p_bex; | |
3803 | |
3804 if (backup_copy | |
3805 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
3806 { | |
3807 int bfd; | |
3808 char_u *copybuf, *wp; | |
3809 int some_error = FALSE; | |
3810 struct stat st_new; | |
3811 char_u *dirp; | |
3812 char_u *rootname; | |
344 | 3813 #if defined(UNIX) && !defined(SHORT_FNAME) |
7 | 3814 int did_set_shortname; |
3815 #endif | |
3816 | |
3817 copybuf = alloc(BUFSIZE + 1); | |
3818 if (copybuf == NULL) | |
3819 { | |
3820 some_error = TRUE; /* out of memory */ | |
3821 goto nobackup; | |
3822 } | |
3823 | |
3824 /* | |
3825 * Try to make the backup in each directory in the 'bdir' option. | |
3826 * | |
3827 * Unix semantics has it, that we may have a writable file, | |
3828 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
3829 * - the directory is not writable, | |
3830 * - the file may be a symbolic link, | |
3831 * - the file may belong to another user/group, etc. | |
3832 * | |
3833 * For these reasons, the existing writable file must be truncated | |
3834 * and reused. Creation of a backup COPY will be attempted. | |
3835 */ | |
3836 dirp = p_bdir; | |
3837 while (*dirp) | |
3838 { | |
3839 #ifdef UNIX | |
3840 st_new.st_ino = 0; | |
3841 st_new.st_dev = 0; | |
3842 st_new.st_gid = 0; | |
3843 #endif | |
3844 | |
3845 /* | |
3846 * Isolate one directory name, using an entry in 'bdir'. | |
3847 */ | |
3848 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
3849 rootname = get_file_in_dir(fname, copybuf); | |
3850 if (rootname == NULL) | |
3851 { | |
3852 some_error = TRUE; /* out of memory */ | |
3853 goto nobackup; | |
3854 } | |
3855 | |
344 | 3856 #if defined(UNIX) && !defined(SHORT_FNAME) |
7 | 3857 did_set_shortname = FALSE; |
3858 #endif | |
3859 | |
3860 /* | |
3861 * May try twice if 'shortname' not set. | |
3862 */ | |
3863 for (;;) | |
3864 { | |
3865 /* | |
3866 * Make backup file name. | |
3867 */ | |
3868 backup = buf_modname( | |
3869 #ifdef SHORT_FNAME | |
3870 TRUE, | |
3871 #else | |
3872 (buf->b_p_sn || buf->b_shortname), | |
3873 #endif | |
3874 rootname, backup_ext, FALSE); | |
3875 if (backup == NULL) | |
3876 { | |
3877 vim_free(rootname); | |
3878 some_error = TRUE; /* out of memory */ | |
3879 goto nobackup; | |
3880 } | |
3881 | |
3882 /* | |
3883 * Check if backup file already exists. | |
3884 */ | |
3885 if (mch_stat((char *)backup, &st_new) >= 0) | |
3886 { | |
3887 #ifdef UNIX | |
3888 /* | |
3889 * Check if backup file is same as original file. | |
3890 * May happen when modname() gave the same file back. | |
3891 * E.g. silly link, or file name-length reached. | |
3892 * If we don't check here, we either ruin the file | |
3893 * when copying or erase it after writing. jw. | |
3894 */ | |
3895 if (st_new.st_dev == st_old.st_dev | |
3896 && st_new.st_ino == st_old.st_ino) | |
3897 { | |
3898 vim_free(backup); | |
3899 backup = NULL; /* no backup file to delete */ | |
3900 # ifndef SHORT_FNAME | |
3901 /* | |
3902 * may try again with 'shortname' set | |
3903 */ | |
3904 if (!(buf->b_shortname || buf->b_p_sn)) | |
3905 { | |
3906 buf->b_shortname = TRUE; | |
3907 did_set_shortname = TRUE; | |
3908 continue; | |
3909 } | |
3910 /* setting shortname didn't help */ | |
3911 if (did_set_shortname) | |
3912 buf->b_shortname = FALSE; | |
3913 # endif | |
3914 break; | |
3915 } | |
3916 #endif | |
3917 | |
3918 /* | |
3919 * If we are not going to keep the backup file, don't | |
3920 * delete an existing one, try to use another name. | |
3921 * Change one character, just before the extension. | |
3922 */ | |
3923 if (!p_bk) | |
3924 { | |
3925 wp = backup + STRLEN(backup) - 1 | |
3926 - STRLEN(backup_ext); | |
3927 if (wp < backup) /* empty file name ??? */ | |
3928 wp = backup; | |
3929 *wp = 'z'; | |
3930 while (*wp > 'a' | |
3931 && mch_stat((char *)backup, &st_new) >= 0) | |
3932 --*wp; | |
3933 /* They all exist??? Must be something wrong. */ | |
3934 if (*wp == 'a') | |
3935 { | |
3936 vim_free(backup); | |
3937 backup = NULL; | |
3938 } | |
3939 } | |
3940 } | |
3941 break; | |
3942 } | |
3943 vim_free(rootname); | |
3944 | |
3945 /* | |
3946 * Try to create the backup file | |
3947 */ | |
3948 if (backup != NULL) | |
3949 { | |
3950 /* remove old backup, if present */ | |
3951 mch_remove(backup); | |
3952 /* Open with O_EXCL to avoid the file being created while | |
3953 * we were sleeping (symlink hacker attack?) */ | |
3954 bfd = mch_open((char *)backup, | |
557 | 3955 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
3956 perm & 0777); | |
7 | 3957 if (bfd < 0) |
3958 { | |
3959 vim_free(backup); | |
3960 backup = NULL; | |
3961 } | |
3962 else | |
3963 { | |
3964 /* set file protection same as original file, but | |
3965 * strip s-bit */ | |
3966 (void)mch_setperm(backup, perm & 0777); | |
3967 | |
3968 #ifdef UNIX | |
3969 /* | |
3970 * Try to set the group of the backup same as the | |
3971 * original file. If this fails, set the protection | |
3972 * bits for the group same as the protection bits for | |
3973 * others. | |
3974 */ | |
557 | 3975 if (st_new.st_gid != st_old.st_gid |
7 | 3976 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
557 | 3977 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
7 | 3978 # endif |
3979 ) | |
3980 mch_setperm(backup, | |
3981 (perm & 0707) | ((perm & 07) << 3)); | |
1583 | 3982 # ifdef HAVE_SELINUX |
3983 mch_copy_sec(fname, backup); | |
3984 # endif | |
7 | 3985 #endif |
3986 | |
3987 /* | |
3988 * copy the file. | |
3989 */ | |
3990 write_info.bw_fd = bfd; | |
3991 write_info.bw_buf = copybuf; | |
3992 #ifdef HAS_BW_FLAGS | |
3993 write_info.bw_flags = FIO_NOCONVERT; | |
3994 #endif | |
2664 | 3995 while ((write_info.bw_len = read_eintr(fd, copybuf, |
7 | 3996 BUFSIZE)) > 0) |
3997 { | |
3998 if (buf_write_bytes(&write_info) == FAIL) | |
3999 { | |
4000 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
4001 break; | |
4002 } | |
4003 ui_breakcheck(); | |
4004 if (got_int) | |
4005 { | |
4006 errmsg = (char_u *)_(e_interr); | |
4007 break; | |
4008 } | |
4009 } | |
4010 | |
4011 if (close(bfd) < 0 && errmsg == NULL) | |
4012 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
4013 if (write_info.bw_len < 0) | |
4014 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
4015 #ifdef UNIX | |
4016 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
4017 #endif | |
4018 #ifdef HAVE_ACL | |
4019 mch_set_acl(backup, acl); | |
4020 #endif | |
1583 | 4021 #ifdef HAVE_SELINUX |
4022 mch_copy_sec(fname, backup); | |
4023 #endif | |
7 | 4024 break; |
4025 } | |
4026 } | |
4027 } | |
4028 nobackup: | |
4029 close(fd); /* ignore errors for closing read file */ | |
4030 vim_free(copybuf); | |
4031 | |
4032 if (backup == NULL && errmsg == NULL) | |
4033 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
4034 /* ignore errors when forceit is TRUE */ | |
4035 if ((some_error || errmsg != NULL) && !forceit) | |
4036 { | |
4037 retval = FAIL; | |
4038 goto fail; | |
4039 } | |
4040 errmsg = NULL; | |
4041 } | |
4042 else | |
4043 { | |
4044 char_u *dirp; | |
4045 char_u *p; | |
4046 char_u *rootname; | |
4047 | |
4048 /* | |
4049 * Make a backup by renaming the original file. | |
4050 */ | |
4051 /* | |
4052 * If 'cpoptions' includes the "W" flag, we don't want to | |
4053 * overwrite a read-only file. But rename may be possible | |
4054 * anyway, thus we need an extra check here. | |
4055 */ | |
4056 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
4057 { | |
4058 errnum = (char_u *)"E504: "; | |
4059 errmsg = (char_u *)_(err_readonly); | |
4060 goto fail; | |
4061 } | |
4062 | |
4063 /* | |
4064 * | |
4065 * Form the backup file name - change path/fo.o.h to | |
4066 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
4067 * that works is used. | |
4068 */ | |
4069 dirp = p_bdir; | |
4070 while (*dirp) | |
4071 { | |
4072 /* | |
4073 * Isolate one directory name and make the backup file name. | |
4074 */ | |
4075 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
4076 rootname = get_file_in_dir(fname, IObuff); | |
4077 if (rootname == NULL) | |
4078 backup = NULL; | |
4079 else | |
4080 { | |
4081 backup = buf_modname( | |
4082 #ifdef SHORT_FNAME | |
4083 TRUE, | |
4084 #else | |
4085 (buf->b_p_sn || buf->b_shortname), | |
4086 #endif | |
4087 rootname, backup_ext, FALSE); | |
4088 vim_free(rootname); | |
4089 } | |
4090 | |
4091 if (backup != NULL) | |
4092 { | |
4093 /* | |
4094 * If we are not going to keep the backup file, don't | |
4095 * delete an existing one, try to use another name. | |
4096 * Change one character, just before the extension. | |
4097 */ | |
4098 if (!p_bk && mch_getperm(backup) >= 0) | |
4099 { | |
4100 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
4101 if (p < backup) /* empty file name ??? */ | |
4102 p = backup; | |
4103 *p = 'z'; | |
4104 while (*p > 'a' && mch_getperm(backup) >= 0) | |
4105 --*p; | |
4106 /* They all exist??? Must be something wrong! */ | |
4107 if (*p == 'a') | |
4108 { | |
4109 vim_free(backup); | |
4110 backup = NULL; | |
4111 } | |
4112 } | |
4113 } | |
4114 if (backup != NULL) | |
4115 { | |
4116 /* | |
531 | 4117 * Delete any existing backup and move the current version |
4118 * to the backup. For safety, we don't remove the backup | |
4119 * until the write has finished successfully. And if the | |
4120 * 'backup' option is set, leave it around. | |
7 | 4121 */ |
4122 /* | |
4123 * If the renaming of the original file to the backup file | |
4124 * works, quit here. | |
4125 */ | |
4126 if (vim_rename(fname, backup) == 0) | |
4127 break; | |
4128 | |
4129 vim_free(backup); /* don't do the rename below */ | |
4130 backup = NULL; | |
4131 } | |
4132 } | |
4133 if (backup == NULL && !forceit) | |
4134 { | |
4135 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
4136 goto fail; | |
4137 } | |
4138 } | |
4139 } | |
4140 | |
4141 #if defined(UNIX) && !defined(ARCHIE) | |
4142 /* When using ":w!" and the file was read-only: make it writable */ | |
4143 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
4144 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
4145 { | |
4146 perm |= 0200; | |
4147 (void)mch_setperm(fname, perm); | |
4148 made_writable = TRUE; | |
4149 } | |
4150 #endif | |
4151 | |
819 | 4152 /* When using ":w!" and writing to the current file, 'readonly' makes no |
164 | 4153 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
4154 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
7 | 4155 { |
4156 buf->b_p_ro = FALSE; | |
4157 #ifdef FEAT_TITLE | |
4158 need_maketitle = TRUE; /* set window title later */ | |
4159 #endif | |
4160 #ifdef FEAT_WINDOWS | |
4161 status_redraw_all(); /* redraw status lines later */ | |
4162 #endif | |
4163 } | |
4164 | |
4165 if (end > buf->b_ml.ml_line_count) | |
4166 end = buf->b_ml.ml_line_count; | |
4167 if (buf->b_ml.ml_flags & ML_EMPTY) | |
4168 start = end + 1; | |
4169 | |
4170 /* | |
4171 * If the original file is being overwritten, there is a small chance that | |
4172 * we crash in the middle of writing. Therefore the file is preserved now. | |
4173 * This makes all block numbers positive so that recovery does not need | |
4174 * the original file. | |
4175 * Don't do this if there is a backup file and we are exiting. | |
4176 */ | |
39 | 4177 if (reset_changed && !newfile && overwriting |
7 | 4178 && !(exiting && backup != NULL)) |
4179 { | |
4180 ml_preserve(buf, FALSE); | |
4181 if (got_int) | |
4182 { | |
4183 errmsg = (char_u *)_(e_interr); | |
4184 goto restore_backup; | |
4185 } | |
4186 } | |
4187 | |
4188 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
4189 /* | |
4190 * Before risking to lose the original file verify if there's | |
4191 * a resource fork to preserve, and if cannot be done warn | |
4192 * the users. This happens when overwriting without backups. | |
4193 */ | |
4194 if (backup == NULL && overwriting && !append) | |
4195 if (mch_has_resource_fork(fname)) | |
4196 { | |
4197 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
4198 goto restore_backup; | |
4199 } | |
4200 #endif | |
4201 | |
4202 #ifdef VMS | |
4203 vms_remove_version(fname); /* remove version */ | |
4204 #endif | |
1651 | 4205 /* Default: write the file directly. May write to a temp file for |
7 | 4206 * multi-byte conversion. */ |
4207 wfname = fname; | |
4208 | |
4209 #ifdef FEAT_MBYTE | |
4210 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
4211 if (eap != NULL && eap->force_enc != 0) | |
4212 { | |
4213 fenc = eap->cmd + eap->force_enc; | |
4214 fenc = enc_canonize(fenc); | |
4215 fenc_tofree = fenc; | |
4216 } | |
4217 else | |
4218 fenc = buf->b_p_fenc; | |
4219 | |
4220 /* | |
1948 | 4221 * Check if the file needs to be converted. |
7 | 4222 */ |
1948 | 4223 converted = need_conversion(fenc); |
7 | 4224 |
4225 /* | |
4226 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
4227 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
4228 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
4229 */ | |
4230 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
4231 { | |
4232 wb_flags = get_fio_flags(fenc); | |
4233 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
4234 { | |
4235 /* Need to allocate a buffer to translate into. */ | |
4236 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
4237 write_info.bw_conv_buflen = bufsize * 2; | |
4238 else /* FIO_UCS4 */ | |
4239 write_info.bw_conv_buflen = bufsize * 4; | |
4240 write_info.bw_conv_buf | |
4241 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4242 if (write_info.bw_conv_buf == NULL) | |
4243 end = 0; | |
4244 } | |
4245 } | |
4246 | |
4247 # ifdef WIN3264 | |
4248 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
4249 { | |
4250 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
4251 write_info.bw_conv_buflen = bufsize * 4; | |
4252 write_info.bw_conv_buf | |
4253 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4254 if (write_info.bw_conv_buf == NULL) | |
4255 end = 0; | |
4256 } | |
4257 # endif | |
4258 | |
4259 # ifdef MACOS_X | |
4260 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
4261 { | |
4262 write_info.bw_conv_buflen = bufsize * 3; | |
4263 write_info.bw_conv_buf | |
4264 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4265 if (write_info.bw_conv_buf == NULL) | |
4266 end = 0; | |
4267 } | |
4268 # endif | |
4269 | |
4270 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
4271 if (converted && wb_flags == 0) | |
4272 { | |
4273 # ifdef USE_ICONV | |
4274 /* | |
4275 * Use iconv() conversion when conversion is needed and it's not done | |
4276 * internally. | |
4277 */ | |
4278 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
4279 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
4280 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
4281 { | |
4282 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
4283 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
4284 write_info.bw_conv_buf | |
4285 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4286 if (write_info.bw_conv_buf == NULL) | |
4287 end = 0; | |
4288 write_info.bw_first = TRUE; | |
4289 } | |
4290 # ifdef FEAT_EVAL | |
4291 else | |
4292 # endif | |
4293 # endif | |
4294 | |
4295 # ifdef FEAT_EVAL | |
4296 /* | |
4297 * When the file needs to be converted with 'charconvert' after | |
4298 * writing, write to a temp file instead and let the conversion | |
4299 * overwrite the original file. | |
4300 */ | |
4301 if (*p_ccv != NUL) | |
4302 { | |
4303 wfname = vim_tempname('w'); | |
4304 if (wfname == NULL) /* Can't write without a tempfile! */ | |
4305 { | |
4306 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
4307 goto restore_backup; | |
4308 } | |
4309 } | |
4310 # endif | |
4311 } | |
4312 # endif | |
4313 if (converted && wb_flags == 0 | |
4314 # ifdef USE_ICONV | |
4315 && write_info.bw_iconv_fd == (iconv_t)-1 | |
4316 # endif | |
4317 # ifdef FEAT_EVAL | |
4318 && wfname == fname | |
4319 # endif | |
4320 ) | |
4321 { | |
4322 if (!forceit) | |
4323 { | |
4324 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
4325 goto restore_backup; | |
4326 } | |
4327 notconverted = TRUE; | |
4328 } | |
4329 #endif | |
4330 | |
4331 /* | |
4332 * Open the file "wfname" for writing. | |
4333 * We may try to open the file twice: If we can't write to the | |
4334 * file and forceit is TRUE we delete the existing file and try to create | |
4335 * a new one. If this still fails we may have lost the original file! | |
4336 * (this may happen when the user reached his quotum for number of files). | |
4337 * Appending will fail if the file does not exist and forceit is FALSE. | |
4338 */ | |
4339 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
4340 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
4341 : (O_CREAT | O_TRUNC)) | |
216 | 4342 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
7 | 4343 { |
4344 /* | |
4345 * A forced write will try to create a new file if the old one is | |
4346 * still readonly. This may also happen when the directory is | |
4347 * read-only. In that case the mch_remove() will fail. | |
4348 */ | |
4349 if (errmsg == NULL) | |
4350 { | |
4351 #ifdef UNIX | |
4352 struct stat st; | |
4353 | |
4354 /* Don't delete the file when it's a hard or symbolic link. */ | |
4355 if ((!newfile && st_old.st_nlink > 1) | |
4356 || (mch_lstat((char *)fname, &st) == 0 | |
4357 && (st.st_dev != st_old.st_dev | |
4358 || st.st_ino != st_old.st_ino))) | |
4359 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
4360 else | |
4361 #endif | |
4362 { | |
4363 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
4364 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
4365 && perm >= 0) | |
4366 { | |
4367 #ifdef UNIX | |
4368 /* we write to the file, thus it should be marked | |
4369 writable after all */ | |
4370 if (!(perm & 0200)) | |
4371 made_writable = TRUE; | |
4372 perm |= 0200; | |
4373 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
4374 perm &= 0777; | |
4375 #endif | |
4376 if (!append) /* don't remove when appending */ | |
4377 mch_remove(wfname); | |
4378 continue; | |
4379 } | |
4380 } | |
4381 } | |
4382 | |
4383 restore_backup: | |
4384 { | |
4385 struct stat st; | |
4386 | |
4387 /* | |
4388 * If we failed to open the file, we don't need a backup. Throw it | |
4389 * away. If we moved or removed the original file try to put the | |
4390 * backup in its place. | |
4391 */ | |
4392 if (backup != NULL && wfname == fname) | |
4393 { | |
4394 if (backup_copy) | |
4395 { | |
4396 /* | |
4397 * There is a small chance that we removed the original, | |
4398 * try to move the copy in its place. | |
4399 * This may not work if the vim_rename() fails. | |
4400 * In that case we leave the copy around. | |
4401 */ | |
4402 /* If file does not exist, put the copy in its place */ | |
4403 if (mch_stat((char *)fname, &st) < 0) | |
4404 vim_rename(backup, fname); | |
4405 /* if original file does exist throw away the copy */ | |
4406 if (mch_stat((char *)fname, &st) >= 0) | |
4407 mch_remove(backup); | |
4408 } | |
4409 else | |
4410 { | |
4411 /* try to put the original file back */ | |
4412 vim_rename(backup, fname); | |
4413 } | |
4414 } | |
4415 | |
4416 /* if original file no longer exists give an extra warning */ | |
4417 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
4418 end = 0; | |
4419 } | |
4420 | |
4421 #ifdef FEAT_MBYTE | |
4422 if (wfname != fname) | |
4423 vim_free(wfname); | |
4424 #endif | |
4425 goto fail; | |
4426 } | |
4427 errmsg = NULL; | |
4428 | |
4429 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
4430 /* TODO: Is it need for MACOS_X? (Dany) */ | |
4431 /* | |
4432 * On macintosh copy the original files attributes (i.e. the backup) | |
1201 | 4433 * This is done in order to preserve the resource fork and the |
4434 * Finder attribute (label, comments, custom icons, file creator) | |
7 | 4435 */ |
4436 if (backup != NULL && overwriting && !append) | |
4437 { | |
4438 if (backup_copy) | |
4439 (void)mch_copy_file_attribute(wfname, backup); | |
4440 else | |
4441 (void)mch_copy_file_attribute(backup, wfname); | |
4442 } | |
4443 | |
4444 if (!overwriting && !append) | |
4445 { | |
4446 if (buf->b_ffname != NULL) | |
4447 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
1201 | 4448 /* Should copy resource fork */ |
7 | 4449 } |
4450 #endif | |
4451 | |
4452 write_info.bw_fd = fd; | |
4453 | |
4454 #ifdef FEAT_CRYPT | |
2267 | 4455 if (*buf->b_p_key != NUL && !filtering) |
7 | 4456 { |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4457 char_u *header; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4458 int header_len; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4459 |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4460 header = prepare_crypt_write(buf, &header_len); |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4461 if (header == NULL) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4462 end = 0; |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4463 else |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4464 { |
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4465 /* Write magic number, so that Vim knows that this file is |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4466 * encrypted when reading it again. This also undergoes utf-8 to |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4467 * ucs-2/4 conversion when needed. */ |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4468 write_info.bw_buf = header; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4469 write_info.bw_len = header_len; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4470 write_info.bw_flags = FIO_NOCONVERT; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4471 if (buf_write_bytes(&write_info) == FAIL) |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4472 end = 0; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4473 wb_flags |= FIO_ENCRYPTED; |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4474 vim_free(header); |
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4475 } |
7 | 4476 } |
4477 #endif | |
4478 | |
4479 write_info.bw_buf = buffer; | |
4480 nchars = 0; | |
4481 | |
4482 /* use "++bin", "++nobin" or 'binary' */ | |
4483 if (eap != NULL && eap->force_bin != 0) | |
4484 write_bin = (eap->force_bin == FORCE_BIN); | |
4485 else | |
4486 write_bin = buf->b_p_bin; | |
4487 | |
4488 #ifdef FEAT_MBYTE | |
4489 /* | |
4490 * The BOM is written just after the encryption magic number. | |
24 | 4491 * Skip it when appending and the file already existed, the BOM only makes |
4492 * sense at the start of the file. | |
7 | 4493 */ |
24 | 4494 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
7 | 4495 { |
4496 write_info.bw_len = make_bom(buffer, fenc); | |
4497 if (write_info.bw_len > 0) | |
4498 { | |
4499 /* don't convert, do encryption */ | |
4500 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
4501 if (buf_write_bytes(&write_info) == FAIL) | |
4502 end = 0; | |
4503 else | |
4504 nchars += write_info.bw_len; | |
4505 } | |
4506 } | |
1947 | 4507 write_info.bw_start_lnum = start; |
7 | 4508 #endif |
4509 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4510 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4511 write_undo_file = (buf->b_p_udf && overwriting && !append |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4512 && !filtering && reset_changed); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4513 if (write_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4514 /* Prepare for computing the hash value of the text. */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4515 sha256_start(&sha_ctx); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4516 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4517 |
7 | 4518 write_info.bw_len = bufsize; |
4519 #ifdef HAS_BW_FLAGS | |
4520 write_info.bw_flags = wb_flags; | |
4521 #endif | |
4522 fileformat = get_fileformat_force(buf, eap); | |
4523 s = buffer; | |
4524 len = 0; | |
4525 for (lnum = start; lnum <= end; ++lnum) | |
4526 { | |
4527 /* | |
4528 * The next while loop is done once for each character written. | |
4529 * Keep it fast! | |
4530 */ | |
4531 ptr = ml_get_buf(buf, lnum, FALSE) - 1; | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4532 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4533 if (write_undo_file) |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4534 sha256_update(&sha_ctx, ptr + 1, (UINT32_T)(STRLEN(ptr + 1) + 1)); |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4535 #endif |
7 | 4536 while ((c = *++ptr) != NUL) |
4537 { | |
4538 if (c == NL) | |
4539 *s = NUL; /* replace newlines with NULs */ | |
4540 else if (c == CAR && fileformat == EOL_MAC) | |
4541 *s = NL; /* Mac: replace CRs with NLs */ | |
4542 else | |
4543 *s = c; | |
4544 ++s; | |
4545 if (++len != bufsize) | |
4546 continue; | |
4547 if (buf_write_bytes(&write_info) == FAIL) | |
4548 { | |
4549 end = 0; /* write error: break loop */ | |
4550 break; | |
4551 } | |
4552 nchars += bufsize; | |
4553 s = buffer; | |
4554 len = 0; | |
1947 | 4555 #ifdef FEAT_MBYTE |
4556 write_info.bw_start_lnum = lnum; | |
4557 #endif | |
7 | 4558 } |
4559 /* write failed or last line has no EOL: stop here */ | |
4560 if (end == 0 | |
4561 || (lnum == end | |
4562 && write_bin | |
4563 && (lnum == write_no_eol_lnum | |
4564 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) | |
4565 { | |
4566 ++lnum; /* written the line, count it */ | |
4567 no_eol = TRUE; | |
4568 break; | |
4569 } | |
4570 if (fileformat == EOL_UNIX) | |
4571 *s++ = NL; | |
4572 else | |
4573 { | |
4574 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
4575 if (fileformat == EOL_DOS) /* write CR-NL */ | |
4576 { | |
4577 if (++len == bufsize) | |
4578 { | |
4579 if (buf_write_bytes(&write_info) == FAIL) | |
4580 { | |
4581 end = 0; /* write error: break loop */ | |
4582 break; | |
4583 } | |
4584 nchars += bufsize; | |
4585 s = buffer; | |
4586 len = 0; | |
4587 } | |
4588 *s++ = NL; | |
4589 } | |
4590 } | |
4591 if (++len == bufsize && end) | |
4592 { | |
4593 if (buf_write_bytes(&write_info) == FAIL) | |
4594 { | |
4595 end = 0; /* write error: break loop */ | |
4596 break; | |
4597 } | |
4598 nchars += bufsize; | |
4599 s = buffer; | |
4600 len = 0; | |
4601 | |
4602 ui_breakcheck(); | |
4603 if (got_int) | |
4604 { | |
4605 end = 0; /* Interrupted, break loop */ | |
4606 break; | |
4607 } | |
4608 } | |
4609 #ifdef VMS | |
4610 /* | |
4611 * On VMS there is a problem: newlines get added when writing blocks | |
4612 * at a time. Fix it by writing a line at a time. | |
4613 * This is much slower! | |
22 | 4614 * Explanation: VAX/DECC RTL insists that records in some RMS |
4615 * structures end with a newline (carriage return) character, and if | |
4616 * they don't it adds one. | |
4617 * With other RMS structures it works perfect without this fix. | |
7 | 4618 */ |
1431 | 4619 if (buf->b_fab_rfm == FAB$C_VFC |
4620 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
22 | 4621 { |
4622 int b2write; | |
4623 | |
4624 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
4625 ? MIN(4096, bufsize) | |
4626 : MIN(buf->b_fab_mrs, bufsize)); | |
4627 | |
4628 b2write = len; | |
4629 while (b2write > 0) | |
7 | 4630 { |
22 | 4631 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
4632 if (buf_write_bytes(&write_info) == FAIL) | |
4633 { | |
4634 end = 0; | |
4635 break; | |
4636 } | |
4637 b2write -= MIN(b2write, buf->b_fab_mrs); | |
7 | 4638 } |
4639 write_info.bw_len = bufsize; | |
4640 nchars += len; | |
4641 s = buffer; | |
4642 len = 0; | |
4643 } | |
4644 #endif | |
4645 } | |
4646 if (len > 0 && end > 0) | |
4647 { | |
4648 write_info.bw_len = len; | |
4649 if (buf_write_bytes(&write_info) == FAIL) | |
4650 end = 0; /* write error */ | |
4651 nchars += len; | |
4652 } | |
4653 | |
4654 #if defined(UNIX) && defined(HAVE_FSYNC) | |
4655 /* On many journalling file systems there is a bug that causes both the | |
4656 * original and the backup file to be lost when halting the system right | |
4657 * after writing the file. That's because only the meta-data is | |
4658 * journalled. Syncing the file slows down the system, but assures it has | |
10 | 4659 * been written to disk and we don't lose it. |
4660 * For a device do try the fsync() but don't complain if it does not work | |
36 | 4661 * (could be a pipe). |
4662 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
4663 if (p_fs && fsync(fd) != 0 && !device) | |
7 | 4664 { |
4665 errmsg = (char_u *)_("E667: Fsync failed"); | |
4666 end = 0; | |
4667 } | |
4668 #endif | |
4669 | |
1583 | 4670 #ifdef HAVE_SELINUX |
4671 /* Probably need to set the security context. */ | |
4672 if (!backup_copy) | |
4673 mch_copy_sec(backup, wfname); | |
4674 #endif | |
4675 | |
557 | 4676 #ifdef UNIX |
4677 /* When creating a new file, set its owner/group to that of the original | |
4678 * file. Get the new device and inode number. */ | |
4679 if (backup != NULL && !backup_copy) | |
4680 { | |
4681 # ifdef HAVE_FCHOWN | |
4682 struct stat st; | |
4683 | |
4684 /* don't change the owner when it's already OK, some systems remove | |
4685 * permission or ACL stuff */ | |
4686 if (mch_stat((char *)wfname, &st) < 0 | |
4687 || st.st_uid != st_old.st_uid | |
4688 || st.st_gid != st_old.st_gid) | |
4689 { | |
1757 | 4690 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 4691 if (perm >= 0) /* set permission again, may have changed */ |
4692 (void)mch_setperm(wfname, perm); | |
4693 } | |
4694 # endif | |
4695 buf_setino(buf); | |
4696 } | |
1873 | 4697 else if (!buf->b_dev_valid) |
617 | 4698 /* Set the inode when creating a new file. */ |
4699 buf_setino(buf); | |
557 | 4700 #endif |
4701 | |
7 | 4702 if (close(fd) != 0) |
4703 { | |
4704 errmsg = (char_u *)_("E512: Close failed"); | |
4705 end = 0; | |
4706 } | |
4707 | |
4708 #ifdef UNIX | |
4709 if (made_writable) | |
4710 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
4711 #endif | |
4712 if (perm >= 0) /* set perm. of new file same as old file */ | |
4713 (void)mch_setperm(wfname, perm); | |
4714 #ifdef RISCOS | |
4715 if (!append && !filtering) | |
4716 /* Set the filetype after writing the file. */ | |
4717 mch_set_filetype(wfname, buf->b_p_oft); | |
4718 #endif | |
4719 #ifdef HAVE_ACL | |
4720 /* Probably need to set the ACL before changing the user (can't set the | |
4721 * ACL on a file the user doesn't own). */ | |
4722 if (!backup_copy) | |
4723 mch_set_acl(wfname, acl); | |
4724 #endif | |
2267 | 4725 #ifdef FEAT_CRYPT |
4726 if (wb_flags & FIO_ENCRYPTED) | |
4727 crypt_pop_state(); | |
4728 #endif | |
7 | 4729 |
4730 | |
4731 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
4732 if (wfname != fname) | |
4733 { | |
4734 /* | |
4735 * The file was written to a temp file, now it needs to be converted | |
4736 * with 'charconvert' to (overwrite) the output file. | |
4737 */ | |
4738 if (end != 0) | |
4739 { | |
4740 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
4741 wfname, fname) == FAIL) | |
4742 { | |
4743 write_info.bw_conv_error = TRUE; | |
4744 end = 0; | |
4745 } | |
4746 } | |
4747 mch_remove(wfname); | |
4748 vim_free(wfname); | |
4749 } | |
4750 #endif | |
4751 | |
4752 if (end == 0) | |
4753 { | |
4754 if (errmsg == NULL) | |
4755 { | |
4756 #ifdef FEAT_MBYTE | |
4757 if (write_info.bw_conv_error) | |
1947 | 4758 { |
4759 if (write_info.bw_conv_error_lnum == 0) | |
4760 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
4761 else | |
4762 { | |
4763 errmsg_allocated = TRUE; | |
4764 errmsg = alloc(300); | |
4765 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
4766 (long)write_info.bw_conv_error_lnum); | |
4767 } | |
4768 } | |
7 | 4769 else |
4770 #endif | |
4771 if (got_int) | |
4772 errmsg = (char_u *)_(e_interr); | |
4773 else | |
4774 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
4775 } | |
4776 | |
4777 /* | |
4778 * If we have a backup file, try to put it in place of the new file, | |
1698 | 4779 * because the new file is probably corrupt. This avoids losing the |
7 | 4780 * original file when trying to make a backup when writing the file a |
4781 * second time. | |
4782 * When "backup_copy" is set we need to copy the backup over the new | |
4783 * file. Otherwise rename the backup file. | |
4784 * If this is OK, don't give the extra warning message. | |
4785 */ | |
4786 if (backup != NULL) | |
4787 { | |
4788 if (backup_copy) | |
4789 { | |
4790 /* This may take a while, if we were interrupted let the user | |
4791 * know we got the message. */ | |
4792 if (got_int) | |
4793 { | |
4794 MSG(_(e_interr)); | |
4795 out_flush(); | |
4796 } | |
4797 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
4798 { | |
4799 if ((write_info.bw_fd = mch_open((char *)fname, | |
194 | 4800 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
4801 perm & 0777)) >= 0) | |
7 | 4802 { |
4803 /* copy the file. */ | |
4804 write_info.bw_buf = smallbuf; | |
4805 #ifdef HAS_BW_FLAGS | |
4806 write_info.bw_flags = FIO_NOCONVERT; | |
4807 #endif | |
2664 | 4808 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
7 | 4809 SMBUFSIZE)) > 0) |
4810 if (buf_write_bytes(&write_info) == FAIL) | |
4811 break; | |
4812 | |
4813 if (close(write_info.bw_fd) >= 0 | |
4814 && write_info.bw_len == 0) | |
4815 end = 1; /* success */ | |
4816 } | |
4817 close(fd); /* ignore errors for closing read file */ | |
4818 } | |
4819 } | |
4820 else | |
4821 { | |
4822 if (vim_rename(backup, fname) == 0) | |
4823 end = 1; | |
4824 } | |
4825 } | |
4826 goto fail; | |
4827 } | |
4828 | |
4829 lnum -= start; /* compute number of written lines */ | |
4830 --no_wait_return; /* may wait for return now */ | |
4831 | |
4832 #if !(defined(UNIX) || defined(VMS)) | |
4833 fname = sfname; /* use shortname now, for the messages */ | |
4834 #endif | |
4835 if (!filtering) | |
4836 { | |
4837 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
4838 c = FALSE; | |
4839 #ifdef FEAT_MBYTE | |
4840 if (write_info.bw_conv_error) | |
4841 { | |
4842 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
4843 c = TRUE; | |
1947 | 4844 if (write_info.bw_conv_error_lnum != 0) |
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
4845 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
1947 | 4846 (long)write_info.bw_conv_error_lnum); |
7 | 4847 } |
4848 else if (notconverted) | |
4849 { | |
4850 STRCAT(IObuff, _("[NOT converted]")); | |
4851 c = TRUE; | |
4852 } | |
4853 else if (converted) | |
4854 { | |
4855 STRCAT(IObuff, _("[converted]")); | |
4856 c = TRUE; | |
4857 } | |
4858 #endif | |
4859 if (device) | |
4860 { | |
4861 STRCAT(IObuff, _("[Device]")); | |
4862 c = TRUE; | |
4863 } | |
4864 else if (newfile) | |
4865 { | |
4866 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
4867 c = TRUE; | |
4868 } | |
4869 if (no_eol) | |
4870 { | |
4871 msg_add_eol(); | |
4872 c = TRUE; | |
4873 } | |
4874 /* may add [unix/dos/mac] */ | |
4875 if (msg_add_fileformat(fileformat)) | |
4876 c = TRUE; | |
4877 #ifdef FEAT_CRYPT | |
4878 if (wb_flags & FIO_ENCRYPTED) | |
4879 { | |
4880 STRCAT(IObuff, _("[crypted]")); | |
4881 c = TRUE; | |
4882 } | |
4883 #endif | |
4884 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
4885 if (!shortmess(SHM_WRITE)) | |
4886 { | |
4887 if (append) | |
4888 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
4889 else | |
4890 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
4891 } | |
4892 | |
679 | 4893 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
7 | 4894 } |
4895 | |
39 | 4896 /* When written everything correctly: reset 'modified'. Unless not |
4897 * writing to the original file and '+' is not in 'cpoptions'. */ | |
589 | 4898 if (reset_changed && whole && !append |
7 | 4899 #ifdef FEAT_MBYTE |
4900 && !write_info.bw_conv_error | |
4901 #endif | |
39 | 4902 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
4903 ) | |
7 | 4904 { |
4905 unchanged(buf, TRUE); | |
4906 u_unchanged(buf); | |
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4907 u_update_save_nr(buf); |
7 | 4908 } |
4909 | |
4910 /* | |
4911 * If written to the current file, update the timestamp of the swap file | |
4912 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
4913 */ | |
4914 if (overwriting) | |
4915 { | |
4916 ml_timestamp(buf); | |
589 | 4917 if (append) |
4918 buf->b_flags &= ~BF_NEW; | |
4919 else | |
4920 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 4921 } |
4922 | |
4923 /* | |
4924 * If we kept a backup until now, and we are in patch mode, then we make | |
4925 * the backup file our 'original' file. | |
4926 */ | |
4927 if (*p_pm && dobackup) | |
4928 { | |
4929 char *org = (char *)buf_modname( | |
4930 #ifdef SHORT_FNAME | |
4931 TRUE, | |
4932 #else | |
4933 (buf->b_p_sn || buf->b_shortname), | |
4934 #endif | |
4935 fname, p_pm, FALSE); | |
4936 | |
4937 if (backup != NULL) | |
4938 { | |
4939 struct stat st; | |
4940 | |
4941 /* | |
4942 * If the original file does not exist yet | |
4943 * the current backup file becomes the original file | |
4944 */ | |
4945 if (org == NULL) | |
4946 EMSG(_("E205: Patchmode: can't save original file")); | |
4947 else if (mch_stat(org, &st) < 0) | |
4948 { | |
4949 vim_rename(backup, (char_u *)org); | |
4950 vim_free(backup); /* don't delete the file */ | |
4951 backup = NULL; | |
4952 #ifdef UNIX | |
4953 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
4954 #endif | |
4955 } | |
4956 } | |
4957 /* | |
4958 * If there is no backup file, remember that a (new) file was | |
4959 * created. | |
4960 */ | |
4961 else | |
4962 { | |
4963 int empty_fd; | |
4964 | |
4965 if (org == NULL | |
557 | 4966 || (empty_fd = mch_open(org, |
4967 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
216 | 4968 perm < 0 ? 0666 : (perm & 0777))) < 0) |
7 | 4969 EMSG(_("E206: patchmode: can't touch empty original file")); |
4970 else | |
4971 close(empty_fd); | |
4972 } | |
4973 if (org != NULL) | |
4974 { | |
4975 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
4976 vim_free(org); | |
4977 } | |
4978 } | |
4979 | |
4980 /* | |
4981 * Remove the backup unless 'backup' option is set | |
4982 */ | |
4983 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
4984 EMSG(_("E207: Can't delete backup file")); | |
4985 | |
4986 #ifdef FEAT_SUN_WORKSHOP | |
4987 if (usingSunWorkShop) | |
4988 workshop_file_saved((char *) ffname); | |
4989 #endif | |
4990 | |
4991 goto nofail; | |
4992 | |
4993 /* | |
4994 * Finish up. We get here either after failure or success. | |
4995 */ | |
4996 fail: | |
4997 --no_wait_return; /* may wait for return now */ | |
4998 nofail: | |
4999 | |
5000 /* Done saving, we accept changed buffer warnings again */ | |
5001 buf->b_saving = FALSE; | |
5002 | |
5003 vim_free(backup); | |
5004 if (buffer != smallbuf) | |
5005 vim_free(buffer); | |
5006 #ifdef FEAT_MBYTE | |
5007 vim_free(fenc_tofree); | |
5008 vim_free(write_info.bw_conv_buf); | |
5009 # ifdef USE_ICONV | |
5010 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
5011 { | |
5012 iconv_close(write_info.bw_iconv_fd); | |
5013 write_info.bw_iconv_fd = (iconv_t)-1; | |
5014 } | |
5015 # endif | |
5016 #endif | |
5017 #ifdef HAVE_ACL | |
5018 mch_free_acl(acl); | |
5019 #endif | |
5020 | |
5021 if (errmsg != NULL) | |
5022 { | |
835 | 5023 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
7 | 5024 |
5025 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
5026 msg_add_fname(buf, | |
5027 #ifndef UNIX | |
5028 sfname | |
5029 #else | |
5030 fname | |
5031 #endif | |
5032 ); /* put file name in IObuff with quotes */ | |
5033 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
5034 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
5035 /* If the error message has the form "is ...", put the error number in | |
5036 * front of the file name. */ | |
5037 if (errnum != NULL) | |
5038 { | |
1620 | 5039 STRMOVE(IObuff + numlen, IObuff); |
7 | 5040 mch_memmove(IObuff, errnum, (size_t)numlen); |
5041 } | |
5042 STRCAT(IObuff, errmsg); | |
5043 emsg(IObuff); | |
1947 | 5044 if (errmsg_allocated) |
5045 vim_free(errmsg); | |
7 | 5046 |
5047 retval = FAIL; | |
5048 if (end == 0) | |
5049 { | |
5050 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
5051 attr | MSG_HIST); | |
5052 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
5053 attr | MSG_HIST); | |
5054 | |
5055 /* Update the timestamp to avoid an "overwrite changed file" | |
5056 * prompt when writing again. */ | |
5057 if (mch_stat((char *)fname, &st_old) >= 0) | |
5058 { | |
5059 buf_store_time(buf, &st_old, fname); | |
5060 buf->b_mtime_read = buf->b_mtime; | |
5061 } | |
5062 } | |
5063 } | |
5064 msg_scroll = msg_save; | |
5065 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5066 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5067 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5068 * When writing the whole file and 'undofile' is set, also write the undo |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5069 * file. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5070 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5071 if (retval == OK && write_undo_file) |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5072 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5073 char_u hash[UNDO_HASH_SIZE]; |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5074 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5075 sha256_finish(&sha_ctx, hash); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5076 u_write_undo(NULL, FALSE, buf, hash); |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5077 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5078 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5079 |
7 | 5080 #ifdef FEAT_AUTOCMD |
5081 #ifdef FEAT_EVAL | |
5082 if (!should_abort(retval)) | |
5083 #else | |
5084 if (!got_int) | |
5085 #endif | |
5086 { | |
5087 aco_save_T aco; | |
5088 | |
5089 write_no_eol_lnum = 0; /* in case it was set by the previous read */ | |
5090 | |
5091 /* | |
5092 * Apply POST autocommands. | |
5093 * Careful: The autocommands may call buf_write() recursively! | |
5094 */ | |
5095 aucmd_prepbuf(&aco, buf); | |
5096 | |
5097 if (append) | |
5098 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
5099 FALSE, curbuf, eap); | |
5100 else if (filtering) | |
5101 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
5102 FALSE, curbuf, eap); | |
5103 else if (reset_changed && whole) | |
5104 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
5105 FALSE, curbuf, eap); | |
5106 else | |
5107 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
5108 FALSE, curbuf, eap); | |
5109 | |
5110 /* restore curwin/curbuf and a few other things */ | |
5111 aucmd_restbuf(&aco); | |
5112 | |
5113 #ifdef FEAT_EVAL | |
5114 if (aborting()) /* autocmds may abort script processing */ | |
5115 retval = FALSE; | |
5116 #endif | |
5117 } | |
5118 #endif | |
5119 | |
5120 got_int |= prev_got_int; | |
5121 | |
5122 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
5123 /* Update machine specific information. */ | |
5124 mch_post_buffer_write(buf); | |
5125 #endif | |
5126 return retval; | |
5127 } | |
5128 | |
5129 /* | |
633 | 5130 * Set the name of the current buffer. Use when the buffer doesn't have a |
5131 * name and a ":r" or ":w" command with a file name is used. | |
5132 */ | |
5133 static int | |
5134 set_rw_fname(fname, sfname) | |
5135 char_u *fname; | |
5136 char_u *sfname; | |
5137 { | |
5138 #ifdef FEAT_AUTOCMD | |
1905 | 5139 buf_T *buf = curbuf; |
5140 | |
633 | 5141 /* It's like the unnamed buffer is deleted.... */ |
5142 if (curbuf->b_p_bl) | |
5143 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
5144 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
5145 # ifdef FEAT_EVAL | |
5146 if (aborting()) /* autocmds may abort script processing */ | |
5147 return FAIL; | |
5148 # endif | |
1905 | 5149 if (curbuf != buf) |
5150 { | |
5151 /* We are in another buffer now, don't do the renaming. */ | |
5152 EMSG(_(e_auchangedbuf)); | |
5153 return FAIL; | |
5154 } | |
633 | 5155 #endif |
5156 | |
5157 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
5158 curbuf->b_flags |= BF_NOTEDITED; | |
5159 | |
5160 #ifdef FEAT_AUTOCMD | |
5161 /* ....and a new named one is created */ | |
5162 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
5163 if (curbuf->b_p_bl) | |
5164 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
5165 # ifdef FEAT_EVAL | |
5166 if (aborting()) /* autocmds may abort script processing */ | |
5167 return FAIL; | |
5168 # endif | |
5169 | |
5170 /* Do filetype detection now if 'filetype' is empty. */ | |
5171 if (*curbuf->b_p_ft == NUL) | |
5172 { | |
819 | 5173 if (au_has_group((char_u *)"filetypedetect")) |
676 | 5174 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
717 | 5175 do_modelines(0); |
633 | 5176 } |
5177 #endif | |
5178 | |
5179 return OK; | |
5180 } | |
5181 | |
5182 /* | |
7 | 5183 * Put file name into IObuff with quotes. |
5184 */ | |
33 | 5185 void |
7 | 5186 msg_add_fname(buf, fname) |
5187 buf_T *buf; | |
5188 char_u *fname; | |
5189 { | |
5190 if (fname == NULL) | |
5191 fname = (char_u *)"-stdin-"; | |
5192 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
5193 IObuff[0] = '"'; | |
5194 STRCAT(IObuff, "\" "); | |
5195 } | |
5196 | |
5197 /* | |
5198 * Append message for text mode to IObuff. | |
5199 * Return TRUE if something appended. | |
5200 */ | |
5201 static int | |
5202 msg_add_fileformat(eol_type) | |
5203 int eol_type; | |
5204 { | |
5205 #ifndef USE_CRNL | |
5206 if (eol_type == EOL_DOS) | |
5207 { | |
5208 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
5209 return TRUE; | |
5210 } | |
5211 #endif | |
5212 #ifndef USE_CR | |
5213 if (eol_type == EOL_MAC) | |
5214 { | |
5215 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
5216 return TRUE; | |
5217 } | |
5218 #endif | |
5219 #if defined(USE_CRNL) || defined(USE_CR) | |
5220 if (eol_type == EOL_UNIX) | |
5221 { | |
5222 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
5223 return TRUE; | |
5224 } | |
5225 #endif | |
5226 return FALSE; | |
5227 } | |
5228 | |
5229 /* | |
5230 * Append line and character count to IObuff. | |
5231 */ | |
33 | 5232 void |
7 | 5233 msg_add_lines(insert_space, lnum, nchars) |
5234 int insert_space; | |
5235 long lnum; | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5236 off_t nchars; |
7 | 5237 { |
5238 char_u *p; | |
5239 | |
5240 p = IObuff + STRLEN(IObuff); | |
5241 | |
5242 if (insert_space) | |
5243 *p++ = ' '; | |
5244 if (shortmess(SHM_LINES)) | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5245 sprintf((char *)p, |
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5246 #ifdef LONG_LONG_OFF_T |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5247 "%ldL, %lldC", lnum, nchars |
2241
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Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5248 #else |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5249 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5250 "%ldL, %ldC", lnum, (long)nchars |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5251 #endif |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5252 ); |
7 | 5253 else |
5254 { | |
5255 if (lnum == 1) | |
5256 STRCPY(p, _("1 line, ")); | |
5257 else | |
5258 sprintf((char *)p, _("%ld lines, "), lnum); | |
5259 p += STRLEN(p); | |
5260 if (nchars == 1) | |
5261 STRCPY(p, _("1 character")); | |
5262 else | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5263 sprintf((char *)p, |
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5264 #ifdef LONG_LONG_OFF_T |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5265 _("%lld characters"), nchars |
2241
60da25e3aab7
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Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5266 #else |
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5267 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5268 _("%ld characters"), (long)nchars |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5269 #endif |
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5270 ); |
7 | 5271 } |
5272 } | |
5273 | |
5274 /* | |
5275 * Append message for missing line separator to IObuff. | |
5276 */ | |
5277 static void | |
5278 msg_add_eol() | |
5279 { | |
5280 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
5281 } | |
5282 | |
5283 /* | |
5284 * Check modification time of file, before writing to it. | |
5285 * The size isn't checked, because using a tool like "gzip" takes care of | |
5286 * using the same timestamp but can't set the size. | |
5287 */ | |
5288 static int | |
5289 check_mtime(buf, st) | |
5290 buf_T *buf; | |
5291 struct stat *st; | |
5292 { | |
5293 if (buf->b_mtime_read != 0 | |
5294 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
5295 { | |
5296 msg_scroll = TRUE; /* don't overwrite messages here */ | |
5297 msg_silent = 0; /* must give this prompt */ | |
5298 /* don't use emsg() here, don't want to flush the buffers */ | |
5299 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
5300 hl_attr(HLF_E)); | |
5301 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
5302 TRUE) == 'n') | |
5303 return FAIL; | |
5304 msg_scroll = FALSE; /* always overwrite the file message now */ | |
5305 } | |
5306 return OK; | |
5307 } | |
5308 | |
5309 static int | |
5310 time_differs(t1, t2) | |
5311 long t1, t2; | |
5312 { | |
5313 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
5314 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
5315 * the seconds. Since the roundoff is done when flushing the inode, the | |
5316 * time may change unexpectedly by one second!!! */ | |
5317 return (t1 - t2 > 1 || t2 - t1 > 1); | |
5318 #else | |
5319 return (t1 != t2); | |
5320 #endif | |
5321 } | |
5322 | |
5323 /* | |
5324 * Call write() to write a number of bytes to the file. | |
2664 | 5325 * Handles encryption and 'encoding' conversion. |
7 | 5326 * |
5327 * Return FAIL for failure, OK otherwise. | |
5328 */ | |
5329 static int | |
5330 buf_write_bytes(ip) | |
5331 struct bw_info *ip; | |
5332 { | |
5333 int wlen; | |
5334 char_u *buf = ip->bw_buf; /* data to write */ | |
5335 int len = ip->bw_len; /* length of data */ | |
5336 #ifdef HAS_BW_FLAGS | |
5337 int flags = ip->bw_flags; /* extra flags */ | |
5338 #endif | |
5339 | |
5340 #ifdef FEAT_MBYTE | |
5341 /* | |
5342 * Skip conversion when writing the crypt magic number or the BOM. | |
5343 */ | |
5344 if (!(flags & FIO_NOCONVERT)) | |
5345 { | |
5346 char_u *p; | |
5347 unsigned c; | |
5348 int n; | |
5349 | |
5350 if (flags & FIO_UTF8) | |
5351 { | |
5352 /* | |
5353 * Convert latin1 in the buffer to UTF-8 in the file. | |
5354 */ | |
5355 p = ip->bw_conv_buf; /* translate to buffer */ | |
5356 for (wlen = 0; wlen < len; ++wlen) | |
5357 p += utf_char2bytes(buf[wlen], p); | |
5358 buf = ip->bw_conv_buf; | |
5359 len = (int)(p - ip->bw_conv_buf); | |
5360 } | |
5361 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
5362 { | |
5363 /* | |
5364 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
5365 * Latin1 chars in the file. | |
5366 */ | |
5367 if (flags & FIO_LATIN1) | |
5368 p = buf; /* translate in-place (can only get shorter) */ | |
5369 else | |
5370 p = ip->bw_conv_buf; /* translate to buffer */ | |
5371 for (wlen = 0; wlen < len; wlen += n) | |
5372 { | |
5373 if (wlen == 0 && ip->bw_restlen != 0) | |
5374 { | |
5375 int l; | |
5376 | |
5377 /* Use remainder of previous call. Append the start of | |
5378 * buf[] to get a full sequence. Might still be too | |
5379 * short! */ | |
5380 l = CONV_RESTLEN - ip->bw_restlen; | |
5381 if (l > len) | |
5382 l = len; | |
5383 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
474 | 5384 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
7 | 5385 if (n > ip->bw_restlen + len) |
5386 { | |
5387 /* We have an incomplete byte sequence at the end to | |
5388 * be written. We can't convert it without the | |
5389 * remaining bytes. Keep them for the next call. */ | |
5390 if (ip->bw_restlen + len > CONV_RESTLEN) | |
5391 return FAIL; | |
5392 ip->bw_restlen += len; | |
5393 break; | |
5394 } | |
5395 if (n > 1) | |
5396 c = utf_ptr2char(ip->bw_rest); | |
5397 else | |
5398 c = ip->bw_rest[0]; | |
5399 if (n >= ip->bw_restlen) | |
5400 { | |
5401 n -= ip->bw_restlen; | |
5402 ip->bw_restlen = 0; | |
5403 } | |
5404 else | |
5405 { | |
5406 ip->bw_restlen -= n; | |
5407 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
5408 (size_t)ip->bw_restlen); | |
5409 n = 0; | |
5410 } | |
5411 } | |
5412 else | |
5413 { | |
474 | 5414 n = utf_ptr2len_len(buf + wlen, len - wlen); |
7 | 5415 if (n > len - wlen) |
5416 { | |
5417 /* We have an incomplete byte sequence at the end to | |
5418 * be written. We can't convert it without the | |
5419 * remaining bytes. Keep them for the next call. */ | |
5420 if (len - wlen > CONV_RESTLEN) | |
5421 return FAIL; | |
5422 ip->bw_restlen = len - wlen; | |
5423 mch_memmove(ip->bw_rest, buf + wlen, | |
5424 (size_t)ip->bw_restlen); | |
5425 break; | |
5426 } | |
5427 if (n > 1) | |
5428 c = utf_ptr2char(buf + wlen); | |
5429 else | |
5430 c = buf[wlen]; | |
5431 } | |
5432 | |
1947 | 5433 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
5434 { | |
5435 ip->bw_conv_error = TRUE; | |
5436 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
5437 } | |
5438 if (c == NL) | |
5439 ++ip->bw_start_lnum; | |
7 | 5440 } |
5441 if (flags & FIO_LATIN1) | |
5442 len = (int)(p - buf); | |
5443 else | |
5444 { | |
5445 buf = ip->bw_conv_buf; | |
5446 len = (int)(p - ip->bw_conv_buf); | |
5447 } | |
5448 } | |
5449 | |
5450 # ifdef WIN3264 | |
5451 else if (flags & FIO_CODEPAGE) | |
5452 { | |
5453 /* | |
5454 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
5455 * codepage. | |
5456 */ | |
5457 char_u *from; | |
5458 size_t fromlen; | |
5459 char_u *to; | |
5460 int u8c; | |
5461 BOOL bad = FALSE; | |
5462 int needed; | |
5463 | |
5464 if (ip->bw_restlen > 0) | |
5465 { | |
5466 /* Need to concatenate the remainder of the previous call and | |
5467 * the bytes of the current call. Use the end of the | |
5468 * conversion buffer for this. */ | |
5469 fromlen = len + ip->bw_restlen; | |
5470 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5471 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5472 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5473 } | |
5474 else | |
5475 { | |
5476 from = buf; | |
5477 fromlen = len; | |
5478 } | |
5479 | |
5480 to = ip->bw_conv_buf; | |
5481 if (enc_utf8) | |
5482 { | |
5483 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
5484 * The buffer has been allocated to be big enough. */ | |
5485 while (fromlen > 0) | |
5486 { | |
835 | 5487 n = (int)utf_ptr2len_len(from, (int)fromlen); |
7 | 5488 if (n > (int)fromlen) /* incomplete byte sequence */ |
5489 break; | |
5490 u8c = utf_ptr2char(from); | |
5491 *to++ = (u8c & 0xff); | |
5492 *to++ = (u8c >> 8); | |
5493 fromlen -= n; | |
5494 from += n; | |
5495 } | |
5496 | |
5497 /* Copy remainder to ip->bw_rest[] to be used for the next | |
5498 * call. */ | |
5499 if (fromlen > CONV_RESTLEN) | |
5500 { | |
5501 /* weird overlong sequence */ | |
5502 ip->bw_conv_error = TRUE; | |
5503 return FAIL; | |
5504 } | |
5505 mch_memmove(ip->bw_rest, from, fromlen); | |
835 | 5506 ip->bw_restlen = (int)fromlen; |
7 | 5507 } |
5508 else | |
5509 { | |
5510 /* Convert from enc_codepage to UCS-2, to the start of the | |
5511 * buffer. The buffer has been allocated to be big enough. */ | |
5512 ip->bw_restlen = 0; | |
5513 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5514 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
7 | 5515 NULL, 0); |
5516 if (needed == 0) | |
5517 { | |
5518 /* When conversion fails there may be a trailing byte. */ | |
5519 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5520 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
7 | 5521 NULL, 0); |
5522 if (needed == 0) | |
5523 { | |
5524 /* Conversion doesn't work. */ | |
5525 ip->bw_conv_error = TRUE; | |
5526 return FAIL; | |
5527 } | |
5528 /* Save the trailing byte for the next call. */ | |
5529 ip->bw_rest[0] = from[fromlen - 1]; | |
5530 ip->bw_restlen = 1; | |
5531 } | |
5532 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
1142 | 5533 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
7 | 5534 (LPWSTR)to, needed); |
5535 if (needed == 0) | |
5536 { | |
5537 /* Safety check: Conversion doesn't work. */ | |
5538 ip->bw_conv_error = TRUE; | |
5539 return FAIL; | |
5540 } | |
5541 to += needed * 2; | |
5542 } | |
5543 | |
5544 fromlen = to - ip->bw_conv_buf; | |
5545 buf = to; | |
5546 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5547 if (FIO_GET_CP(flags) == CP_UTF8) | |
5548 { | |
5549 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
5550 * conversion buffer. Fails when out of space. */ | |
5551 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
5552 { | |
5553 u8c = *from++; | |
5554 u8c += (*from++ << 8); | |
5555 to += utf_char2bytes(u8c, to); | |
5556 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
5557 { | |
5558 ip->bw_conv_error = TRUE; | |
5559 return FAIL; | |
5560 } | |
5561 } | |
835 | 5562 len = (int)(to - buf); |
7 | 5563 } |
5564 else | |
5565 #endif | |
5566 { | |
5567 /* Convert from UCS-2 to the codepage, using the remainder of | |
5568 * the conversion buffer. If the conversion uses the default | |
5569 * character "0", the data doesn't fit in this encoding, so | |
5570 * fail. */ | |
5571 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
5572 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
1142 | 5573 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
5574 &bad); | |
7 | 5575 if (bad) |
5576 { | |
5577 ip->bw_conv_error = TRUE; | |
5578 return FAIL; | |
5579 } | |
5580 } | |
5581 } | |
5582 # endif | |
5583 | |
765 | 5584 # ifdef MACOS_CONVERT |
7 | 5585 else if (flags & FIO_MACROMAN) |
5586 { | |
5587 /* | |
5588 * Convert UTF-8 or latin1 to Apple MacRoman. | |
5589 */ | |
5590 char_u *from; | |
5591 size_t fromlen; | |
5592 | |
5593 if (ip->bw_restlen > 0) | |
5594 { | |
5595 /* Need to concatenate the remainder of the previous call and | |
5596 * the bytes of the current call. Use the end of the | |
5597 * conversion buffer for this. */ | |
5598 fromlen = len + ip->bw_restlen; | |
5599 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5600 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5601 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5602 } | |
5603 else | |
5604 { | |
5605 from = buf; | |
5606 fromlen = len; | |
5607 } | |
5608 | |
18 | 5609 if (enc2macroman(from, fromlen, |
5610 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
5611 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
7 | 5612 { |
5613 ip->bw_conv_error = TRUE; | |
5614 return FAIL; | |
5615 } | |
5616 buf = ip->bw_conv_buf; | |
5617 } | |
5618 # endif | |
5619 | |
5620 # ifdef USE_ICONV | |
5621 if (ip->bw_iconv_fd != (iconv_t)-1) | |
5622 { | |
5623 const char *from; | |
5624 size_t fromlen; | |
5625 char *to; | |
5626 size_t tolen; | |
5627 | |
5628 /* Convert with iconv(). */ | |
5629 if (ip->bw_restlen > 0) | |
5630 { | |
1836 | 5631 char *fp; |
5632 | |
7 | 5633 /* Need to concatenate the remainder of the previous call and |
5634 * the bytes of the current call. Use the end of the | |
5635 * conversion buffer for this. */ | |
5636 fromlen = len + ip->bw_restlen; | |
1836 | 5637 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
5638 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
5639 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
5640 from = fp; | |
7 | 5641 tolen = ip->bw_conv_buflen - fromlen; |
5642 } | |
5643 else | |
5644 { | |
5645 from = (const char *)buf; | |
5646 fromlen = len; | |
5647 tolen = ip->bw_conv_buflen; | |
5648 } | |
5649 to = (char *)ip->bw_conv_buf; | |
5650 | |
5651 if (ip->bw_first) | |
5652 { | |
5653 size_t save_len = tolen; | |
5654 | |
5655 /* output the initial shift state sequence */ | |
5656 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
5657 | |
5658 /* There is a bug in iconv() on Linux (which appears to be | |
5659 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
5660 */ | |
5661 if (to == NULL) | |
5662 { | |
5663 to = (char *)ip->bw_conv_buf; | |
5664 tolen = save_len; | |
5665 } | |
5666 ip->bw_first = FALSE; | |
5667 } | |
5668 | |
5669 /* | |
5670 * If iconv() has an error or there is not enough room, fail. | |
5671 */ | |
5672 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
5673 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
5674 || fromlen > CONV_RESTLEN) | |
5675 { | |
5676 ip->bw_conv_error = TRUE; | |
5677 return FAIL; | |
5678 } | |
5679 | |
5680 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
5681 if (fromlen > 0) | |
5682 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
5683 ip->bw_restlen = (int)fromlen; | |
5684 | |
5685 buf = ip->bw_conv_buf; | |
5686 len = (int)((char_u *)to - ip->bw_conv_buf); | |
5687 } | |
5688 # endif | |
5689 } | |
5690 #endif /* FEAT_MBYTE */ | |
5691 | |
5692 #ifdef FEAT_CRYPT | |
5693 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
2244 | 5694 crypt_encode(buf, len, buf); |
7 | 5695 #endif |
5696 | |
2664 | 5697 wlen = write_eintr(ip->bw_fd, buf, len); |
5698 return (wlen < len) ? FAIL : OK; | |
7 | 5699 } |
5700 | |
5701 #ifdef FEAT_MBYTE | |
5702 /* | |
5703 * Convert a Unicode character to bytes. | |
1947 | 5704 * Return TRUE for an error, FALSE when it's OK. |
7 | 5705 */ |
5706 static int | |
5707 ucs2bytes(c, pp, flags) | |
5708 unsigned c; /* in: character */ | |
5709 char_u **pp; /* in/out: pointer to result */ | |
5710 int flags; /* FIO_ flags */ | |
5711 { | |
5712 char_u *p = *pp; | |
5713 int error = FALSE; | |
5714 int cc; | |
5715 | |
5716 | |
5717 if (flags & FIO_UCS4) | |
5718 { | |
5719 if (flags & FIO_ENDIAN_L) | |
5720 { | |
5721 *p++ = c; | |
5722 *p++ = (c >> 8); | |
5723 *p++ = (c >> 16); | |
5724 *p++ = (c >> 24); | |
5725 } | |
5726 else | |
5727 { | |
5728 *p++ = (c >> 24); | |
5729 *p++ = (c >> 16); | |
5730 *p++ = (c >> 8); | |
5731 *p++ = c; | |
5732 } | |
5733 } | |
5734 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
5735 { | |
5736 if (c >= 0x10000) | |
5737 { | |
5738 if (flags & FIO_UTF16) | |
5739 { | |
5740 /* Make two words, ten bits of the character in each. First | |
5741 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
5742 c -= 0x10000; | |
5743 if (c >= 0x100000) | |
5744 error = TRUE; | |
5745 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
5746 if (flags & FIO_ENDIAN_L) | |
5747 { | |
5748 *p++ = cc; | |
5749 *p++ = ((unsigned)cc >> 8); | |
5750 } | |
5751 else | |
5752 { | |
5753 *p++ = ((unsigned)cc >> 8); | |
5754 *p++ = cc; | |
5755 } | |
5756 c = (c & 0x3ff) + 0xdc00; | |
5757 } | |
5758 else | |
5759 error = TRUE; | |
5760 } | |
5761 if (flags & FIO_ENDIAN_L) | |
5762 { | |
5763 *p++ = c; | |
5764 *p++ = (c >> 8); | |
5765 } | |
5766 else | |
5767 { | |
5768 *p++ = (c >> 8); | |
5769 *p++ = c; | |
5770 } | |
5771 } | |
5772 else /* Latin1 */ | |
5773 { | |
5774 if (c >= 0x100) | |
5775 { | |
5776 error = TRUE; | |
5777 *p++ = 0xBF; | |
5778 } | |
5779 else | |
5780 *p++ = c; | |
5781 } | |
5782 | |
5783 *pp = p; | |
5784 return error; | |
5785 } | |
5786 | |
5787 /* | |
1948 | 5788 * Return TRUE if file encoding "fenc" requires conversion from or to |
5789 * 'encoding'. | |
7 | 5790 */ |
5791 static int | |
1948 | 5792 need_conversion(fenc) |
5793 char_u *fenc; | |
7 | 5794 { |
1948 | 5795 int same_encoding; |
5796 int enc_flags; | |
5797 int fenc_flags; | |
5798 | |
5799 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5800 { |
1948 | 5801 same_encoding = TRUE; |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5802 fenc_flags = 0; |
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5803 } |
1948 | 5804 else |
5805 { | |
5806 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
5807 * "ucs-4be", etc. */ | |
5808 enc_flags = get_fio_flags(p_enc); | |
5809 fenc_flags = get_fio_flags(fenc); | |
5810 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
5811 } | |
5812 if (same_encoding) | |
5813 { | |
5814 /* Specified encoding matches with 'encoding'. This requires | |
5815 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
5816 return enc_unicode != 0; | |
5817 } | |
5818 | |
5819 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
5820 * Unicode encoding and the file is UTF-8. */ | |
5821 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
7 | 5822 } |
5823 | |
5824 /* | |
5825 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
5826 * internal conversion. | |
5827 * if "ptr" is an empty string, use 'encoding'. | |
5828 */ | |
5829 static int | |
5830 get_fio_flags(ptr) | |
5831 char_u *ptr; | |
5832 { | |
5833 int prop; | |
5834 | |
5835 if (*ptr == NUL) | |
5836 ptr = p_enc; | |
5837 | |
5838 prop = enc_canon_props(ptr); | |
5839 if (prop & ENC_UNICODE) | |
5840 { | |
5841 if (prop & ENC_2BYTE) | |
5842 { | |
5843 if (prop & ENC_ENDIAN_L) | |
5844 return FIO_UCS2 | FIO_ENDIAN_L; | |
5845 return FIO_UCS2; | |
5846 } | |
5847 if (prop & ENC_4BYTE) | |
5848 { | |
5849 if (prop & ENC_ENDIAN_L) | |
5850 return FIO_UCS4 | FIO_ENDIAN_L; | |
5851 return FIO_UCS4; | |
5852 } | |
5853 if (prop & ENC_2WORD) | |
5854 { | |
5855 if (prop & ENC_ENDIAN_L) | |
5856 return FIO_UTF16 | FIO_ENDIAN_L; | |
5857 return FIO_UTF16; | |
5858 } | |
5859 return FIO_UTF8; | |
5860 } | |
5861 if (prop & ENC_LATIN1) | |
5862 return FIO_LATIN1; | |
5863 /* must be ENC_DBCS, requires iconv() */ | |
5864 return 0; | |
5865 } | |
5866 | |
5867 #ifdef WIN3264 | |
5868 /* | |
5869 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
5870 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
5871 * Used for conversion between 'encoding' and 'fileencoding'. | |
5872 */ | |
5873 static int | |
5874 get_win_fio_flags(ptr) | |
5875 char_u *ptr; | |
5876 { | |
5877 int cp; | |
5878 | |
5879 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
5880 if (!enc_utf8 && enc_codepage <= 0) | |
5881 return 0; | |
5882 | |
5883 cp = encname2codepage(ptr); | |
5884 if (cp == 0) | |
5885 { | |
5886 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5887 if (STRCMP(ptr, "utf-8") == 0) | |
5888 cp = CP_UTF8; | |
5889 else | |
5890 # endif | |
5891 return 0; | |
5892 } | |
5893 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
5894 } | |
5895 #endif | |
5896 | |
5897 #ifdef MACOS_X | |
5898 /* | |
5899 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
5900 * needed for the internal conversion to/from utf-8 or latin1. | |
5901 */ | |
5902 static int | |
5903 get_mac_fio_flags(ptr) | |
5904 char_u *ptr; | |
5905 { | |
5906 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
5907 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
5908 return FIO_MACROMAN; | |
5909 return 0; | |
5910 } | |
5911 #endif | |
5912 | |
5913 /* | |
5914 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
5915 * "size" must be at least 2. | |
5916 * Return the name of the encoding and set "*lenp" to the length. | |
5917 * Returns NULL when no BOM found. | |
5918 */ | |
5919 static char_u * | |
5920 check_for_bom(p, size, lenp, flags) | |
5921 char_u *p; | |
5922 long size; | |
5923 int *lenp; | |
5924 int flags; | |
5925 { | |
5926 char *name = NULL; | |
5927 int len = 2; | |
5928 | |
5929 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
1688 | 5930 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
7 | 5931 { |
5932 name = "utf-8"; /* EF BB BF */ | |
5933 len = 3; | |
5934 } | |
5935 else if (p[0] == 0xff && p[1] == 0xfe) | |
5936 { | |
5937 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
5938 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
5939 { | |
5940 name = "ucs-4le"; /* FF FE 00 00 */ | |
5941 len = 4; | |
5942 } | |
1735 | 5943 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
7 | 5944 name = "ucs-2le"; /* FF FE */ |
1735 | 5945 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
5946 /* utf-16le is preferred, it also works for ucs-2le text */ | |
7 | 5947 name = "utf-16le"; /* FF FE */ |
5948 } | |
5949 else if (p[0] == 0xfe && p[1] == 0xff | |
5950 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
5951 { | |
1547 | 5952 /* Default to utf-16, it works also for ucs-2 text. */ |
5953 if (flags == FIO_UCS2) | |
5954 name = "ucs-2"; /* FE FF */ | |
5955 else | |
7 | 5956 name = "utf-16"; /* FE FF */ |
5957 } | |
5958 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
5959 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
5960 { | |
5961 name = "ucs-4"; /* 00 00 FE FF */ | |
5962 len = 4; | |
5963 } | |
5964 | |
5965 *lenp = len; | |
5966 return (char_u *)name; | |
5967 } | |
5968 | |
5969 /* | |
5970 * Generate a BOM in "buf[4]" for encoding "name". | |
5971 * Return the length of the BOM (zero when no BOM). | |
5972 */ | |
5973 static int | |
5974 make_bom(buf, name) | |
5975 char_u *buf; | |
5976 char_u *name; | |
5977 { | |
5978 int flags; | |
5979 char_u *p; | |
5980 | |
5981 flags = get_fio_flags(name); | |
5982 | |
5983 /* Can't put a BOM in a non-Unicode file. */ | |
5984 if (flags == FIO_LATIN1 || flags == 0) | |
5985 return 0; | |
5986 | |
5987 if (flags == FIO_UTF8) /* UTF-8 */ | |
5988 { | |
5989 buf[0] = 0xef; | |
5990 buf[1] = 0xbb; | |
5991 buf[2] = 0xbf; | |
5992 return 3; | |
5993 } | |
5994 p = buf; | |
5995 (void)ucs2bytes(0xfeff, &p, flags); | |
5996 return (int)(p - buf); | |
5997 } | |
5998 #endif | |
5999 | |
1418 | 6000 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
1471 | 6001 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
7 | 6002 /* |
6003 * Try to find a shortname by comparing the fullname with the current | |
6004 * directory. | |
1411 | 6005 * Returns "full_path" or pointer into "full_path" if shortened. |
6006 */ | |
6007 char_u * | |
6008 shorten_fname1(full_path) | |
6009 char_u *full_path; | |
6010 { | |
6011 char_u dirname[MAXPATHL]; | |
6012 char_u *p = full_path; | |
6013 | |
6014 if (mch_dirname(dirname, MAXPATHL) == OK) | |
6015 { | |
6016 p = shorten_fname(full_path, dirname); | |
6017 if (p == NULL || *p == NUL) | |
6018 p = full_path; | |
6019 } | |
6020 return p; | |
6021 } | |
1418 | 6022 #endif |
1411 | 6023 |
6024 /* | |
6025 * Try to find a shortname by comparing the fullname with the current | |
6026 * directory. | |
7 | 6027 * Returns NULL if not shorter name possible, pointer into "full_path" |
6028 * otherwise. | |
6029 */ | |
6030 char_u * | |
6031 shorten_fname(full_path, dir_name) | |
6032 char_u *full_path; | |
6033 char_u *dir_name; | |
6034 { | |
6035 int len; | |
6036 char_u *p; | |
6037 | |
6038 if (full_path == NULL) | |
6039 return NULL; | |
6040 len = (int)STRLEN(dir_name); | |
6041 if (fnamencmp(dir_name, full_path, len) == 0) | |
6042 { | |
6043 p = full_path + len; | |
6044 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
6045 /* | |
6046 * MSDOS: when a file is in the root directory, dir_name will end in a | |
6047 * slash, since C: by itself does not define a specific dir. In this | |
6048 * case p may already be correct. <negri> | |
6049 */ | |
6050 if (!((len > 2) && (*(p - 2) == ':'))) | |
6051 #endif | |
6052 { | |
6053 if (vim_ispathsep(*p)) | |
6054 ++p; | |
6055 #ifndef VMS /* the path separator is always part of the path */ | |
6056 else | |
6057 p = NULL; | |
6058 #endif | |
6059 } | |
6060 } | |
6061 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
6062 /* | |
6063 * When using a file in the current drive, remove the drive name: | |
6064 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
6065 * a floppy from "A:\dir" to "B:\dir". | |
6066 */ | |
6067 else if (len > 3 | |
6068 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
6069 && full_path[1] == ':' | |
6070 && vim_ispathsep(full_path[2])) | |
6071 p = full_path + 2; | |
6072 #endif | |
6073 else | |
6074 p = NULL; | |
6075 return p; | |
6076 } | |
6077 | |
6078 /* | |
6079 * Shorten filenames for all buffers. | |
6080 * When "force" is TRUE: Use full path from now on for files currently being | |
6081 * edited, both for file name and swap file name. Try to shorten the file | |
6082 * names a bit, if safe to do so. | |
6083 * When "force" is FALSE: Only try to shorten absolute file names. | |
6084 * For buffers that have buftype "nofile" or "scratch": never change the file | |
6085 * name. | |
6086 */ | |
6087 void | |
6088 shorten_fnames(force) | |
6089 int force; | |
6090 { | |
6091 char_u dirname[MAXPATHL]; | |
6092 buf_T *buf; | |
6093 char_u *p; | |
6094 | |
6095 mch_dirname(dirname, MAXPATHL); | |
6096 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
6097 { | |
6098 if (buf->b_fname != NULL | |
6099 #ifdef FEAT_QUICKFIX | |
6100 && !bt_nofile(buf) | |
6101 #endif | |
6102 && !path_with_url(buf->b_fname) | |
6103 && (force | |
6104 || buf->b_sfname == NULL | |
6105 || mch_isFullName(buf->b_sfname))) | |
6106 { | |
6107 vim_free(buf->b_sfname); | |
6108 buf->b_sfname = NULL; | |
6109 p = shorten_fname(buf->b_ffname, dirname); | |
6110 if (p != NULL) | |
6111 { | |
6112 buf->b_sfname = vim_strsave(p); | |
6113 buf->b_fname = buf->b_sfname; | |
6114 } | |
6115 if (p == NULL || buf->b_fname == NULL) | |
6116 buf->b_fname = buf->b_ffname; | |
9 | 6117 } |
6118 | |
6119 /* Always make the swap file name a full path, a "nofile" buffer may | |
6120 * also have a swap file. */ | |
6121 mf_fullname(buf->b_ml.ml_mfp); | |
7 | 6122 } |
6123 #ifdef FEAT_WINDOWS | |
6124 status_redraw_all(); | |
672 | 6125 redraw_tabline = TRUE; |
7 | 6126 #endif |
6127 } | |
6128 | |
6129 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
6130 || defined(FEAT_GUI_MSWIN) \ | |
6131 || defined(FEAT_GUI_MAC) \ | |
6132 || defined(PROTO) | |
6133 /* | |
6134 * Shorten all filenames in "fnames[count]" by current directory. | |
6135 */ | |
6136 void | |
6137 shorten_filenames(fnames, count) | |
6138 char_u **fnames; | |
6139 int count; | |
6140 { | |
6141 int i; | |
6142 char_u dirname[MAXPATHL]; | |
6143 char_u *p; | |
6144 | |
6145 if (fnames == NULL || count < 1) | |
6146 return; | |
6147 mch_dirname(dirname, sizeof(dirname)); | |
6148 for (i = 0; i < count; ++i) | |
6149 { | |
6150 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
6151 { | |
6152 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
6153 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
6154 * "p" first then free fnames[i]. */ | |
6155 p = vim_strsave(p); | |
6156 vim_free(fnames[i]); | |
6157 fnames[i] = p; | |
6158 } | |
6159 } | |
6160 } | |
6161 #endif | |
6162 | |
6163 /* | |
1651 | 6164 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
7 | 6165 * fo_o_h.ext for MSDOS or when shortname option set. |
6166 * | |
6167 * Assumed that fname is a valid name found in the filesystem we assure that | |
6168 * the return value is a different name and ends in 'ext'. | |
6169 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
6170 * characters otherwise. | |
6171 * Space for the returned name is allocated, must be freed later. | |
6172 * Returns NULL when out of memory. | |
6173 */ | |
6174 char_u * | |
6175 modname(fname, ext, prepend_dot) | |
6176 char_u *fname, *ext; | |
6177 int prepend_dot; /* may prepend a '.' to file name */ | |
6178 { | |
6179 return buf_modname( | |
6180 #ifdef SHORT_FNAME | |
6181 TRUE, | |
6182 #else | |
6183 (curbuf->b_p_sn || curbuf->b_shortname), | |
6184 #endif | |
6185 fname, ext, prepend_dot); | |
6186 } | |
6187 | |
6188 char_u * | |
6189 buf_modname(shortname, fname, ext, prepend_dot) | |
6190 int shortname; /* use 8.3 file name */ | |
6191 char_u *fname, *ext; | |
6192 int prepend_dot; /* may prepend a '.' to file name */ | |
6193 { | |
6194 char_u *retval; | |
6195 char_u *s; | |
6196 char_u *e; | |
6197 char_u *ptr; | |
6198 int fnamelen, extlen; | |
6199 | |
6200 extlen = (int)STRLEN(ext); | |
6201 | |
6202 /* | |
6203 * If there is no file name we must get the name of the current directory | |
6204 * (we need the full path in case :cd is used). | |
6205 */ | |
6206 if (fname == NULL || *fname == NUL) | |
6207 { | |
6208 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
6209 if (retval == NULL) | |
6210 return NULL; | |
6211 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
6212 (fnamelen = (int)STRLEN(retval)) == 0) | |
6213 { | |
6214 vim_free(retval); | |
6215 return NULL; | |
6216 } | |
39 | 6217 if (!after_pathsep(retval, retval + fnamelen)) |
7 | 6218 { |
6219 retval[fnamelen++] = PATHSEP; | |
6220 retval[fnamelen] = NUL; | |
6221 } | |
6222 #ifndef SHORT_FNAME | |
6223 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
6224 #endif | |
6225 } | |
6226 else | |
6227 { | |
6228 fnamelen = (int)STRLEN(fname); | |
6229 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
6230 if (retval == NULL) | |
6231 return NULL; | |
6232 STRCPY(retval, fname); | |
6233 #ifdef VMS | |
6234 vms_remove_version(retval); /* we do not need versions here */ | |
6235 #endif | |
6236 } | |
6237 | |
6238 /* | |
6239 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
6240 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
6241 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
6242 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
6243 */ | |
391 | 6244 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
7 | 6245 { |
6246 #ifndef RISCOS | |
6247 if (*ext == '.' | |
391 | 6248 # ifdef USE_LONG_FNAME |
7 | 6249 && (!USE_LONG_FNAME || shortname) |
391 | 6250 # else |
6251 # ifndef SHORT_FNAME | |
7 | 6252 && shortname |
391 | 6253 # endif |
7 | 6254 # endif |
6255 ) | |
6256 if (*ptr == '.') /* replace '.' by '_' */ | |
6257 *ptr = '_'; | |
391 | 6258 #endif |
7 | 6259 if (vim_ispathsep(*ptr)) |
391 | 6260 { |
6261 ++ptr; | |
7 | 6262 break; |
391 | 6263 } |
6264 } | |
7 | 6265 |
6266 /* the file name has at most BASENAMELEN characters. */ | |
6267 #ifndef SHORT_FNAME | |
6268 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
6269 ptr[BASENAMELEN] = '\0'; | |
6270 #endif | |
6271 | |
6272 s = ptr + STRLEN(ptr); | |
6273 | |
6274 /* | |
6275 * For 8.3 file names we may have to reduce the length. | |
6276 */ | |
6277 #ifdef USE_LONG_FNAME | |
6278 if (!USE_LONG_FNAME || shortname) | |
6279 #else | |
6280 # ifndef SHORT_FNAME | |
6281 if (shortname) | |
6282 # endif | |
6283 #endif | |
6284 { | |
6285 /* | |
6286 * If there is no file name, or the file name ends in '/', and the | |
6287 * extension starts with '.', put a '_' before the dot, because just | |
6288 * ".ext" is invalid. | |
6289 */ | |
6290 if (fname == NULL || *fname == NUL | |
6291 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
6292 { | |
6293 #ifdef RISCOS | |
6294 if (*ext == '/') | |
6295 #else | |
6296 if (*ext == '.') | |
6297 #endif | |
6298 *s++ = '_'; | |
6299 } | |
6300 /* | |
6301 * If the extension starts with '.', truncate the base name at 8 | |
6302 * characters | |
6303 */ | |
6304 #ifdef RISCOS | |
6305 /* We normally use '/', but swap files are '_' */ | |
6306 else if (*ext == '/' || *ext == '_') | |
6307 #else | |
6308 else if (*ext == '.') | |
6309 #endif | |
6310 { | |
1877 | 6311 if ((size_t)(s - ptr) > (size_t)8) |
7 | 6312 { |
6313 s = ptr + 8; | |
6314 *s = '\0'; | |
6315 } | |
6316 } | |
6317 /* | |
6318 * If the extension doesn't start with '.', and the file name | |
6319 * doesn't have an extension yet, append a '.' | |
6320 */ | |
6321 #ifdef RISCOS | |
6322 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
6323 *s++ = '/'; | |
6324 #else | |
6325 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
6326 *s++ = '.'; | |
6327 #endif | |
6328 /* | |
6329 * If the extension doesn't start with '.', and there already is an | |
1201 | 6330 * extension, it may need to be truncated |
7 | 6331 */ |
6332 else if ((int)STRLEN(e) + extlen > 4) | |
6333 s = e + 4 - extlen; | |
6334 } | |
6335 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
6336 /* | |
6337 * If there is no file name, and the extension starts with '.', put a | |
6338 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
6339 * FAT partition, and on HPFS it doesn't matter. | |
6340 */ | |
6341 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
6342 *s++ = '_'; | |
6343 #endif | |
6344 | |
6345 /* | |
1651 | 6346 * Append the extension. |
7 | 6347 * ext can start with '.' and cannot exceed 3 more characters. |
6348 */ | |
6349 STRCPY(s, ext); | |
6350 | |
6351 #ifndef SHORT_FNAME | |
6352 /* | |
6353 * Prepend the dot. | |
6354 */ | |
6355 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
6356 #ifdef RISCOS | |
6357 '/' | |
6358 #else | |
6359 '.' | |
6360 #endif | |
6361 #ifdef USE_LONG_FNAME | |
6362 && USE_LONG_FNAME | |
6363 #endif | |
6364 ) | |
6365 { | |
1620 | 6366 STRMOVE(e + 1, e); |
7 | 6367 #ifdef RISCOS |
6368 *e = '/'; | |
6369 #else | |
6370 *e = '.'; | |
6371 #endif | |
6372 } | |
6373 #endif | |
6374 | |
6375 /* | |
6376 * Check that, after appending the extension, the file name is really | |
6377 * different. | |
6378 */ | |
6379 if (fname != NULL && STRCMP(fname, retval) == 0) | |
6380 { | |
6381 /* we search for a character that can be replaced by '_' */ | |
6382 while (--s >= ptr) | |
6383 { | |
6384 if (*s != '_') | |
6385 { | |
6386 *s = '_'; | |
6387 break; | |
6388 } | |
6389 } | |
6390 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
6391 *ptr = 'v'; | |
6392 } | |
6393 return retval; | |
6394 } | |
6395 | |
6396 /* | |
6397 * Like fgets(), but if the file line is too long, it is truncated and the | |
6398 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
6399 */ | |
6400 int | |
6401 vim_fgets(buf, size, fp) | |
6402 char_u *buf; | |
6403 int size; | |
6404 FILE *fp; | |
6405 { | |
6406 char *eof; | |
6407 #define FGETS_SIZE 200 | |
6408 char tbuf[FGETS_SIZE]; | |
6409 | |
6410 buf[size - 2] = NUL; | |
6411 #ifdef USE_CR | |
6412 eof = fgets_cr((char *)buf, size, fp); | |
6413 #else | |
6414 eof = fgets((char *)buf, size, fp); | |
6415 #endif | |
6416 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
6417 { | |
6418 buf[size - 1] = NUL; /* Truncate the line */ | |
6419 | |
6420 /* Now throw away the rest of the line: */ | |
6421 do | |
6422 { | |
6423 tbuf[FGETS_SIZE - 2] = NUL; | |
6424 #ifdef USE_CR | |
1757 | 6425 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
7 | 6426 #else |
1757 | 6427 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
7 | 6428 #endif |
6429 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
6430 } | |
6431 return (eof == NULL); | |
6432 } | |
6433 | |
6434 #if defined(USE_CR) || defined(PROTO) | |
6435 /* | |
6436 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
6437 * Returns TRUE for end-of-file. | |
6438 * Only used for the Mac, because it's much slower than vim_fgets(). | |
6439 */ | |
6440 int | |
6441 tag_fgets(buf, size, fp) | |
6442 char_u *buf; | |
6443 int size; | |
6444 FILE *fp; | |
6445 { | |
6446 int i = 0; | |
6447 int c; | |
6448 int eof = FALSE; | |
6449 | |
6450 for (;;) | |
6451 { | |
6452 c = fgetc(fp); | |
6453 if (c == EOF) | |
6454 { | |
6455 eof = TRUE; | |
6456 break; | |
6457 } | |
6458 if (c == '\r') | |
6459 { | |
6460 /* Always store a NL for end-of-line. */ | |
6461 if (i < size - 1) | |
6462 buf[i++] = '\n'; | |
6463 c = fgetc(fp); | |
6464 if (c != '\n') /* Macintosh format: single CR. */ | |
6465 ungetc(c, fp); | |
6466 break; | |
6467 } | |
6468 if (i < size - 1) | |
6469 buf[i++] = c; | |
6470 if (c == '\n') | |
6471 break; | |
6472 } | |
6473 buf[i] = NUL; | |
6474 return eof; | |
6475 } | |
6476 #endif | |
6477 | |
6478 /* | |
6479 * rename() only works if both files are on the same file system, this | |
6480 * function will (attempts to?) copy the file across if rename fails -- webb | |
6481 * Return -1 for failure, 0 for success. | |
6482 */ | |
6483 int | |
6484 vim_rename(from, to) | |
6485 char_u *from; | |
6486 char_u *to; | |
6487 { | |
6488 int fd_in; | |
6489 int fd_out; | |
6490 int n; | |
6491 char *errmsg = NULL; | |
6492 char *buffer; | |
6493 #ifdef AMIGA | |
6494 BPTR flock; | |
6495 #endif | |
6496 struct stat st; | |
194 | 6497 long perm; |
199 | 6498 #ifdef HAVE_ACL |
6499 vim_acl_T acl; /* ACL from original file */ | |
6500 #endif | |
1779 | 6501 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
6502 int use_tmp_file = FALSE; | |
6503 #endif | |
7 | 6504 |
6505 /* | |
1779 | 6506 * When the names are identical, there is nothing to do. When they refer |
6507 * to the same file (ignoring case and slash/backslash differences) but | |
6508 * the file name differs we need to go through a temp file. | |
7 | 6509 */ |
6510 if (fnamecmp(from, to) == 0) | |
1779 | 6511 { |
6512 #ifdef CASE_INSENSITIVE_FILENAME | |
6513 if (STRCMP(gettail(from), gettail(to)) != 0) | |
6514 use_tmp_file = TRUE; | |
6515 else | |
6516 #endif | |
6517 return 0; | |
6518 } | |
7 | 6519 |
6520 /* | |
6521 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
6522 */ | |
6523 if (mch_stat((char *)from, &st) < 0) | |
6524 return -1; | |
6525 | |
1778 | 6526 #ifdef UNIX |
6527 { | |
6528 struct stat st_to; | |
6529 | |
6530 /* It's possible for the source and destination to be the same file. | |
6531 * This happens when "from" and "to" differ in case and are on a FAT32 | |
6532 * filesystem. In that case go through a temp file name. */ | |
6533 if (mch_stat((char *)to, &st_to) >= 0 | |
6534 && st.st_dev == st_to.st_dev | |
6535 && st.st_ino == st_to.st_ino) | |
1779 | 6536 use_tmp_file = TRUE; |
6537 } | |
6538 #endif | |
6539 | |
6540 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
6541 if (use_tmp_file) | |
6542 { | |
6543 char tempname[MAXPATHL + 1]; | |
6544 | |
6545 /* | |
6546 * Find a name that doesn't exist and is in the same directory. | |
6547 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
6548 */ | |
6549 if (STRLEN(from) >= MAXPATHL - 5) | |
6550 return -1; | |
6551 STRCPY(tempname, from); | |
6552 for (n = 123; n < 99999; ++n) | |
6553 { | |
6554 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
6555 if (mch_stat(tempname, &st) < 0) | |
6556 { | |
6557 if (mch_rename((char *)from, tempname) == 0) | |
1778 | 6558 { |
1779 | 6559 if (mch_rename(tempname, (char *)to) == 0) |
6560 return 0; | |
6561 /* Strange, the second step failed. Try moving the | |
6562 * file back and return failure. */ | |
6563 mch_rename(tempname, (char *)from); | |
1778 | 6564 return -1; |
6565 } | |
1779 | 6566 /* If it fails for one temp name it will most likely fail |
6567 * for any temp name, give up. */ | |
6568 return -1; | |
6569 } | |
6570 } | |
6571 return -1; | |
1778 | 6572 } |
6573 #endif | |
6574 | |
7 | 6575 /* |
6576 * Delete the "to" file, this is required on some systems to make the | |
6577 * mch_rename() work, on other systems it makes sure that we don't have | |
6578 * two files when the mch_rename() fails. | |
6579 */ | |
6580 | |
6581 #ifdef AMIGA | |
6582 /* | |
6583 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
6584 * that the name of the "to" file is the same as the "from" file, even | |
1201 | 6585 * though the names are different. To avoid the chance of accidentally |
7 | 6586 * deleting the "from" file (horror!) we lock it during the remove. |
6587 * | |
6588 * When used for making a backup before writing the file: This should not | |
6589 * happen with ":w", because startscript() should detect this problem and | |
6590 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
6591 * name. This problem does exist with ":w filename", but then the | |
6592 * original file will be somewhere else so the backup isn't really | |
6593 * important. If autoscripting is off the rename may fail. | |
6594 */ | |
6595 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
6596 #endif | |
6597 mch_remove(to); | |
6598 #ifdef AMIGA | |
6599 if (flock) | |
6600 UnLock(flock); | |
6601 #endif | |
6602 | |
6603 /* | |
6604 * First try a normal rename, return if it works. | |
6605 */ | |
6606 if (mch_rename((char *)from, (char *)to) == 0) | |
6607 return 0; | |
6608 | |
6609 /* | |
6610 * Rename() failed, try copying the file. | |
6611 */ | |
194 | 6612 perm = mch_getperm(from); |
199 | 6613 #ifdef HAVE_ACL |
6614 /* For systems that support ACL: get the ACL from the original file. */ | |
6615 acl = mch_get_acl(from); | |
6616 #endif | |
7 | 6617 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
6618 if (fd_in == -1) | |
1651 | 6619 { |
6620 #ifdef HAVE_ACL | |
6621 mch_free_acl(acl); | |
6622 #endif | |
7 | 6623 return -1; |
1651 | 6624 } |
194 | 6625 |
6626 /* Create the new file with same permissions as the original. */ | |
557 | 6627 fd_out = mch_open((char *)to, |
6628 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
7 | 6629 if (fd_out == -1) |
6630 { | |
6631 close(fd_in); | |
1651 | 6632 #ifdef HAVE_ACL |
6633 mch_free_acl(acl); | |
6634 #endif | |
7 | 6635 return -1; |
6636 } | |
6637 | |
6638 buffer = (char *)alloc(BUFSIZE); | |
6639 if (buffer == NULL) | |
6640 { | |
1651 | 6641 close(fd_out); |
7 | 6642 close(fd_in); |
1651 | 6643 #ifdef HAVE_ACL |
6644 mch_free_acl(acl); | |
6645 #endif | |
7 | 6646 return -1; |
6647 } | |
6648 | |
2664 | 6649 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
6650 if (write_eintr(fd_out, buffer, n) != n) | |
7 | 6651 { |
6652 errmsg = _("E208: Error writing to \"%s\""); | |
6653 break; | |
6654 } | |
6655 | |
6656 vim_free(buffer); | |
6657 close(fd_in); | |
6658 if (close(fd_out) < 0) | |
6659 errmsg = _("E209: Error closing \"%s\""); | |
6660 if (n < 0) | |
6661 { | |
6662 errmsg = _("E210: Error reading \"%s\""); | |
6663 to = from; | |
6664 } | |
1201 | 6665 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
194 | 6666 mch_setperm(to, perm); |
570 | 6667 #endif |
199 | 6668 #ifdef HAVE_ACL |
6669 mch_set_acl(to, acl); | |
1651 | 6670 mch_free_acl(acl); |
199 | 6671 #endif |
7 | 6672 if (errmsg != NULL) |
6673 { | |
6674 EMSG2(errmsg, to); | |
6675 return -1; | |
6676 } | |
6677 mch_remove(from); | |
6678 return 0; | |
6679 } | |
6680 | |
6681 static int already_warned = FALSE; | |
6682 | |
6683 /* | |
6684 * Check if any not hidden buffer has been changed. | |
6685 * Postpone the check if there are characters in the stuff buffer, a global | |
6686 * command is being executed, a mapping is being executed or an autocommand is | |
6687 * busy. | |
6688 * Returns TRUE if some message was written (screen should be redrawn and | |
6689 * cursor positioned). | |
6690 */ | |
6691 int | |
6692 check_timestamps(focus) | |
6693 int focus; /* called for GUI focus event */ | |
6694 { | |
6695 buf_T *buf; | |
6696 int didit = 0; | |
6697 int n; | |
6698 | |
6699 /* Don't check timestamps while system() or another low-level function may | |
6700 * cause us to lose and gain focus. */ | |
6701 if (no_check_timestamps > 0) | |
6702 return FALSE; | |
6703 | |
6704 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
6705 * event and we would keep on checking if the file is steadily growing. | |
6706 * Do check again after typing something. */ | |
6707 if (focus && did_check_timestamps) | |
6708 { | |
6709 need_check_timestamps = TRUE; | |
6710 return FALSE; | |
6711 } | |
6712 | |
6713 if (!stuff_empty() || global_busy || !typebuf_typed() | |
6714 #ifdef FEAT_AUTOCMD | |
1834 | 6715 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
7 | 6716 #endif |
6717 ) | |
6718 need_check_timestamps = TRUE; /* check later */ | |
6719 else | |
6720 { | |
6721 ++no_wait_return; | |
6722 did_check_timestamps = TRUE; | |
6723 already_warned = FALSE; | |
6724 for (buf = firstbuf; buf != NULL; ) | |
6725 { | |
6726 /* Only check buffers in a window. */ | |
6727 if (buf->b_nwindows > 0) | |
6728 { | |
6729 n = buf_check_timestamp(buf, focus); | |
6730 if (didit < n) | |
6731 didit = n; | |
6732 if (n > 0 && !buf_valid(buf)) | |
6733 { | |
6734 /* Autocommands have removed the buffer, start at the | |
6735 * first one again. */ | |
6736 buf = firstbuf; | |
6737 continue; | |
6738 } | |
6739 } | |
6740 buf = buf->b_next; | |
6741 } | |
6742 --no_wait_return; | |
6743 need_check_timestamps = FALSE; | |
6744 if (need_wait_return && didit == 2) | |
6745 { | |
6746 /* make sure msg isn't overwritten */ | |
6747 msg_puts((char_u *)"\n"); | |
6748 out_flush(); | |
6749 } | |
6750 } | |
6751 return didit; | |
6752 } | |
6753 | |
6754 /* | |
6755 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
6756 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
6757 * empty. | |
6758 */ | |
6759 static int | |
6760 move_lines(frombuf, tobuf) | |
6761 buf_T *frombuf; | |
6762 buf_T *tobuf; | |
6763 { | |
6764 buf_T *tbuf = curbuf; | |
6765 int retval = OK; | |
6766 linenr_T lnum; | |
6767 char_u *p; | |
6768 | |
6769 /* Copy the lines in "frombuf" to "tobuf". */ | |
6770 curbuf = tobuf; | |
6771 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
6772 { | |
6773 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
6774 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
6775 { | |
6776 vim_free(p); | |
6777 retval = FAIL; | |
6778 break; | |
6779 } | |
6780 vim_free(p); | |
6781 } | |
6782 | |
6783 /* Delete all the lines in "frombuf". */ | |
6784 if (retval != FAIL) | |
6785 { | |
6786 curbuf = frombuf; | |
1055 | 6787 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
6788 if (ml_delete(lnum, FALSE) == FAIL) | |
7 | 6789 { |
6790 /* Oops! We could try putting back the saved lines, but that | |
6791 * might fail again... */ | |
6792 retval = FAIL; | |
6793 break; | |
6794 } | |
6795 } | |
6796 | |
6797 curbuf = tbuf; | |
6798 return retval; | |
6799 } | |
6800 | |
6801 /* | |
6802 * Check if buffer "buf" has been changed. | |
6803 * Also check if the file for a new buffer unexpectedly appeared. | |
6804 * return 1 if a changed buffer was found. | |
6805 * return 2 if a message has been displayed. | |
6806 * return 0 otherwise. | |
6807 */ | |
6808 int | |
6809 buf_check_timestamp(buf, focus) | |
6810 buf_T *buf; | |
1877 | 6811 int focus UNUSED; /* called for GUI focus event */ |
7 | 6812 { |
6813 struct stat st; | |
6814 int stat_res; | |
6815 int retval = 0; | |
6816 char_u *path; | |
6817 char_u *tbuf; | |
6818 char *mesg = NULL; | |
188 | 6819 char *mesg2 = ""; |
7 | 6820 int helpmesg = FALSE; |
6821 int reload = FALSE; | |
6822 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6823 int can_reload = FALSE; | |
6824 #endif | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
6825 off_t orig_size = buf->b_orig_size; |
7 | 6826 int orig_mode = buf->b_orig_mode; |
6827 #ifdef FEAT_GUI | |
6828 int save_mouse_correct = need_mouse_correct; | |
6829 #endif | |
6830 #ifdef FEAT_AUTOCMD | |
6831 static int busy = FALSE; | |
179 | 6832 int n; |
6833 char_u *s; | |
6834 #endif | |
6835 char *reason; | |
7 | 6836 |
6837 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
6838 * set, we are in the middle of a save or being called recursively: ignore | |
6839 * this buffer. */ | |
6840 if (buf->b_ffname == NULL | |
6841 || buf->b_ml.ml_mfp == NULL | |
6842 #if defined(FEAT_QUICKFIX) | |
6843 || *buf->b_p_bt != NUL | |
6844 #endif | |
6845 || buf->b_saving | |
6846 #ifdef FEAT_AUTOCMD | |
6847 || busy | |
6848 #endif | |
33 | 6849 #ifdef FEAT_NETBEANS_INTG |
6850 || isNetbeansBuffer(buf) | |
6851 #endif | |
7 | 6852 ) |
6853 return 0; | |
6854 | |
6855 if ( !(buf->b_flags & BF_NOTEDITED) | |
6856 && buf->b_mtime != 0 | |
6857 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
6858 || time_differs((long)st.st_mtime, buf->b_mtime) | |
6859 #ifdef HAVE_ST_MODE | |
6860 || (int)st.st_mode != buf->b_orig_mode | |
6861 #else | |
6862 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
6863 #endif | |
6864 )) | |
6865 { | |
6866 retval = 1; | |
6867 | |
628 | 6868 /* set b_mtime to stop further warnings (e.g., when executing |
6869 * FileChangedShell autocmd) */ | |
7 | 6870 if (stat_res < 0) |
6871 { | |
6872 buf->b_mtime = 0; | |
6873 buf->b_orig_size = 0; | |
6874 buf->b_orig_mode = 0; | |
6875 } | |
6876 else | |
6877 buf_store_time(buf, &st, buf->b_ffname); | |
6878 | |
6879 /* Don't do anything for a directory. Might contain the file | |
6880 * explorer. */ | |
6881 if (mch_isdir(buf->b_fname)) | |
6882 ; | |
6883 | |
6884 /* | |
6885 * If 'autoread' is set, the buffer has no changes and the file still | |
6886 * exists, reload the buffer. Use the buffer-local option value if it | |
6887 * was set, the global option value otherwise. | |
6888 */ | |
6889 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
6890 && !bufIsChanged(buf) && stat_res >= 0) | |
6891 reload = TRUE; | |
6892 else | |
6893 { | |
179 | 6894 if (stat_res < 0) |
6895 reason = "deleted"; | |
6896 else if (bufIsChanged(buf)) | |
6897 reason = "conflict"; | |
6898 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
6899 reason = "changed"; | |
6900 else if (orig_mode != buf->b_orig_mode) | |
6901 reason = "mode"; | |
6902 else | |
6903 reason = "time"; | |
6904 | |
7 | 6905 #ifdef FEAT_AUTOCMD |
6906 /* | |
6907 * Only give the warning if there are no FileChangedShell | |
6908 * autocommands. | |
6909 * Avoid being called recursively by setting "busy". | |
6910 */ | |
6911 busy = TRUE; | |
532 | 6912 # ifdef FEAT_EVAL |
179 | 6913 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
6914 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
532 | 6915 # endif |
1834 | 6916 ++allbuf_lock; |
7 | 6917 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
6918 buf->b_fname, buf->b_fname, FALSE, buf); | |
1834 | 6919 --allbuf_lock; |
7 | 6920 busy = FALSE; |
6921 if (n) | |
6922 { | |
6923 if (!buf_valid(buf)) | |
6924 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
532 | 6925 # ifdef FEAT_EVAL |
179 | 6926 s = get_vim_var_str(VV_FCS_CHOICE); |
6927 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
6928 reload = TRUE; | |
6929 else if (STRCMP(s, "ask") == 0) | |
6930 n = FALSE; | |
6931 else | |
532 | 6932 # endif |
179 | 6933 return 2; |
7 | 6934 } |
179 | 6935 if (!n) |
7 | 6936 #endif |
6937 { | |
179 | 6938 if (*reason == 'd') |
6939 mesg = _("E211: File \"%s\" no longer available"); | |
7 | 6940 else |
6941 { | |
6942 helpmesg = TRUE; | |
6943 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6944 can_reload = TRUE; | |
6945 #endif | |
6946 /* | |
6947 * Check if the file contents really changed to avoid | |
6948 * giving a warning when only the timestamp was set (e.g., | |
6949 * checked out of CVS). Always warn when the buffer was | |
6950 * changed. | |
6951 */ | |
179 | 6952 if (reason[2] == 'n') |
6953 { | |
7 | 6954 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
179 | 6955 mesg2 = _("See \":help W12\" for more info."); |
6956 } | |
6957 else if (reason[1] == 'h') | |
6958 { | |
7 | 6959 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
179 | 6960 mesg2 = _("See \":help W11\" for more info."); |
6961 } | |
6962 else if (*reason == 'm') | |
6963 { | |
7 | 6964 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
179 | 6965 mesg2 = _("See \":help W16\" for more info."); |
6966 } | |
1913 | 6967 else |
6968 /* Only timestamp changed, store it to avoid a warning | |
6969 * in check_mtime() later. */ | |
6970 buf->b_mtime_read = buf->b_mtime; | |
7 | 6971 } |
6972 } | |
6973 } | |
6974 | |
6975 } | |
6976 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
6977 && vim_fexists(buf->b_ffname)) | |
6978 { | |
6979 retval = 1; | |
6980 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
6981 buf->b_flags |= BF_NEW_W; | |
6982 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6983 can_reload = TRUE; | |
6984 #endif | |
6985 } | |
6986 | |
6987 if (mesg != NULL) | |
6988 { | |
6989 path = home_replace_save(buf, buf->b_fname); | |
6990 if (path != NULL) | |
6991 { | |
179 | 6992 if (!helpmesg) |
7 | 6993 mesg2 = ""; |
6994 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
6995 + STRLEN(mesg2) + 2)); | |
6996 sprintf((char *)tbuf, mesg, path); | |
1848 | 6997 #ifdef FEAT_EVAL |
6998 /* Set warningmsg here, before the unimportant and output-specific | |
6999 * mesg2 has been appended. */ | |
7000 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
7001 #endif | |
7 | 7002 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
7003 if (can_reload) | |
7004 { | |
7005 if (*mesg2 != NUL) | |
7006 { | |
7007 STRCAT(tbuf, "\n"); | |
7008 STRCAT(tbuf, mesg2); | |
7009 } | |
7010 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
7011 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2) | |
7012 reload = TRUE; | |
7013 } | |
7014 else | |
7015 #endif | |
7016 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
7017 { | |
7018 if (*mesg2 != NUL) | |
7019 { | |
7020 STRCAT(tbuf, "; "); | |
7021 STRCAT(tbuf, mesg2); | |
7022 } | |
7023 EMSG(tbuf); | |
7024 retval = 2; | |
7025 } | |
7026 else | |
7027 { | |
8 | 7028 # ifdef FEAT_AUTOCMD |
7 | 7029 if (!autocmd_busy) |
8 | 7030 # endif |
7 | 7031 { |
7032 msg_start(); | |
7033 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
7034 if (*mesg2 != NUL) | |
7035 msg_puts_attr((char_u *)mesg2, | |
7036 hl_attr(HLF_W) + MSG_HIST); | |
7037 msg_clr_eos(); | |
7038 (void)msg_end(); | |
7039 if (emsg_silent == 0) | |
7040 { | |
7041 out_flush(); | |
8 | 7042 # ifdef FEAT_GUI |
7 | 7043 if (!focus) |
8 | 7044 # endif |
7 | 7045 /* give the user some time to think about it */ |
7046 ui_delay(1000L, TRUE); | |
7047 | |
7048 /* don't redraw and erase the message */ | |
7049 redraw_cmdline = FALSE; | |
7050 } | |
7051 } | |
7052 already_warned = TRUE; | |
7053 } | |
7054 | |
7055 vim_free(path); | |
7056 vim_free(tbuf); | |
7057 } | |
7058 } | |
7059 | |
7060 if (reload) | |
311 | 7061 /* Reload the buffer. */ |
628 | 7062 buf_reload(buf, orig_mode); |
7 | 7063 |
765 | 7064 #ifdef FEAT_AUTOCMD |
1620 | 7065 /* Trigger FileChangedShell when the file was changed in any way. */ |
7066 if (buf_valid(buf) && retval != 0) | |
765 | 7067 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
7068 buf->b_fname, buf->b_fname, FALSE, buf); | |
7069 #endif | |
7 | 7070 #ifdef FEAT_GUI |
7071 /* restore this in case an autocommand has set it; it would break | |
7072 * 'mousefocus' */ | |
7073 need_mouse_correct = save_mouse_correct; | |
7074 #endif | |
7075 | |
7076 return retval; | |
7077 } | |
7078 | |
311 | 7079 /* |
7080 * Reload a buffer that is already loaded. | |
7081 * Used when the file was changed outside of Vim. | |
628 | 7082 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
7083 * buf->b_orig_mode may have been reset already. | |
311 | 7084 */ |
7085 void | |
628 | 7086 buf_reload(buf, orig_mode) |
311 | 7087 buf_T *buf; |
628 | 7088 int orig_mode; |
311 | 7089 { |
7090 exarg_T ea; | |
7091 pos_T old_cursor; | |
7092 linenr_T old_topline; | |
7093 int old_ro = buf->b_p_ro; | |
7094 buf_T *savebuf; | |
7095 int saved = OK; | |
7096 aco_save_T aco; | |
2394
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7097 int flags = READ_NEW; |
311 | 7098 |
7099 /* set curwin/curbuf for "buf" and save some things */ | |
7100 aucmd_prepbuf(&aco, buf); | |
7101 | |
7102 /* We only want to read the text from the file, not reset the syntax | |
7103 * highlighting, clear marks, diff status, etc. Force the fileformat | |
7104 * and encoding to be the same. */ | |
7105 if (prep_exarg(&ea, buf) == OK) | |
7106 { | |
7107 old_cursor = curwin->w_cursor; | |
7108 old_topline = curwin->w_topline; | |
7109 | |
2482
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When undoing a reload, move the cursor to the first changed line.
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changeset
|
7110 if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) |
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7111 { |
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7112 /* Save all the text, so that the reload can be undone. |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7113 * Sync first so that this is a separate undo-able action. */ |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7114 u_sync(FALSE); |
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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2360
diff
changeset
|
7115 saved = u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, TRUE); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7116 flags |= READ_KEEP_UNDO; |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7117 } |
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7118 |
311 | 7119 /* |
7120 * To behave like when a new file is edited (matters for | |
7121 * BufReadPost autocommands) we first need to delete the current | |
7122 * buffer contents. But if reading the file fails we should keep | |
7123 * the old contents. Can't use memory only, the file might be | |
7124 * too big. Use a hidden buffer to move the buffer contents to. | |
7125 */ | |
2394
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Add the 'undoreload' option to be able to undo a file reload.
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parents:
2360
diff
changeset
|
7126 if (bufempty() || saved == FAIL) |
311 | 7127 savebuf = NULL; |
7128 else | |
7129 { | |
7130 /* Allocate a buffer without putting it in the buffer list. */ | |
7131 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
837 | 7132 if (savebuf != NULL && buf == curbuf) |
311 | 7133 { |
7134 /* Open the memline. */ | |
7135 curbuf = savebuf; | |
7136 curwin->w_buffer = savebuf; | |
625 | 7137 saved = ml_open(curbuf); |
311 | 7138 curbuf = buf; |
7139 curwin->w_buffer = buf; | |
7140 } | |
837 | 7141 if (savebuf == NULL || saved == FAIL || buf != curbuf |
311 | 7142 || move_lines(buf, savebuf) == FAIL) |
7143 { | |
7144 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
7145 buf->b_fname); | |
7146 saved = FAIL; | |
7147 } | |
7148 } | |
7149 | |
7150 if (saved == OK) | |
7151 { | |
7152 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
7153 #ifdef FEAT_AUTOCMD | |
7154 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
7155 #endif | |
7156 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
7157 (linenr_T)0, | |
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7158 (linenr_T)MAXLNUM, &ea, flags) == FAIL) |
311 | 7159 { |
7160 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
7161 if (!aborting()) | |
7162 #endif | |
7163 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
837 | 7164 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
311 | 7165 { |
7166 /* Put the text back from the save buffer. First | |
7167 * delete any lines that readfile() added. */ | |
7168 while (!bufempty()) | |
837 | 7169 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
311 | 7170 break; |
7171 (void)move_lines(savebuf, buf); | |
7172 } | |
7173 } | |
2394
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Add the 'undoreload' option to be able to undo a file reload.
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parents:
2360
diff
changeset
|
7174 else if (buf == curbuf) /* "buf" still valid */ |
311 | 7175 { |
7176 /* Mark the buffer as unmodified and free undo info. */ | |
7177 unchanged(buf, TRUE); | |
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7178 if ((flags & READ_KEEP_UNDO) == 0) |
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7179 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7180 u_blockfree(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
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2360
diff
changeset
|
7181 u_clearall(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
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parents:
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diff
changeset
|
7182 } |
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7183 else |
2482
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When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7184 { |
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7185 /* Mark all undo states as changed. */ |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
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parents:
2360
diff
changeset
|
7186 u_unchanged(curbuf); |
2482
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parents:
2410
diff
changeset
|
7187 } |
311 | 7188 } |
7189 } | |
7190 vim_free(ea.cmd); | |
7191 | |
837 | 7192 if (savebuf != NULL && buf_valid(savebuf)) |
311 | 7193 wipe_buffer(savebuf, FALSE); |
7194 | |
7195 #ifdef FEAT_DIFF | |
7196 /* Invalidate diff info if necessary. */ | |
837 | 7197 diff_invalidate(curbuf); |
311 | 7198 #endif |
7199 | |
7200 /* Restore the topline and cursor position and check it (lines may | |
7201 * have been removed). */ | |
7202 if (old_topline > curbuf->b_ml.ml_line_count) | |
7203 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
7204 else | |
7205 curwin->w_topline = old_topline; | |
7206 curwin->w_cursor = old_cursor; | |
7207 check_cursor(); | |
7208 update_topline(); | |
7209 #ifdef FEAT_AUTOCMD | |
7210 keep_filetype = FALSE; | |
7211 #endif | |
7212 #ifdef FEAT_FOLDING | |
7213 { | |
1863 | 7214 win_T *wp; |
7215 tabpage_T *tp; | |
311 | 7216 |
7217 /* Update folds unless they are defined manually. */ | |
1863 | 7218 FOR_ALL_TAB_WINDOWS(tp, wp) |
311 | 7219 if (wp->w_buffer == curwin->w_buffer |
7220 && !foldmethodIsManual(wp)) | |
7221 foldUpdateAll(wp); | |
7222 } | |
7223 #endif | |
7224 /* If the mode didn't change and 'readonly' was set, keep the old | |
7225 * value; the user probably used the ":view" command. But don't | |
7226 * reset it, might have had a read error. */ | |
7227 if (orig_mode == curbuf->b_orig_mode) | |
7228 curbuf->b_p_ro |= old_ro; | |
7229 } | |
7230 | |
7231 /* restore curwin/curbuf and a few other things */ | |
7232 aucmd_restbuf(&aco); | |
7233 /* Careful: autocommands may have made "buf" invalid! */ | |
7234 } | |
7235 | |
7 | 7236 void |
7237 buf_store_time(buf, st, fname) | |
7238 buf_T *buf; | |
7239 struct stat *st; | |
1877 | 7240 char_u *fname UNUSED; |
7 | 7241 { |
7242 buf->b_mtime = (long)st->st_mtime; | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
7243 buf->b_orig_size = st->st_size; |
7 | 7244 #ifdef HAVE_ST_MODE |
7245 buf->b_orig_mode = (int)st->st_mode; | |
7246 #else | |
7247 buf->b_orig_mode = mch_getperm(fname); | |
7248 #endif | |
7249 } | |
7250 | |
7251 /* | |
7252 * Adjust the line with missing eol, used for the next write. | |
7253 * Used for do_filter(), when the input lines for the filter are deleted. | |
7254 */ | |
7255 void | |
7256 write_lnum_adjust(offset) | |
7257 linenr_T offset; | |
7258 { | |
167 | 7259 if (write_no_eol_lnum != 0) /* only if there is a missing eol */ |
7 | 7260 write_no_eol_lnum += offset; |
7261 } | |
7262 | |
7263 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
7264 static long temp_count = 0; /* Temp filename counter. */ | |
7265 | |
7266 /* | |
7267 * Delete the temp directory and all files it contains. | |
7268 */ | |
7269 void | |
7270 vim_deltempdir() | |
7271 { | |
7272 char_u **files; | |
7273 int file_count; | |
7274 int i; | |
7275 | |
7276 if (vim_tempdir != NULL) | |
7277 { | |
7278 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
7279 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
7280 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
7281 { | |
7282 for (i = 0; i < file_count; ++i) | |
7283 mch_remove(files[i]); | |
7284 FreeWild(file_count, files); | |
7285 } | |
7286 gettail(NameBuff)[-1] = NUL; | |
7287 (void)mch_rmdir(NameBuff); | |
7288 | |
7289 vim_free(vim_tempdir); | |
7290 vim_tempdir = NULL; | |
7291 } | |
7292 } | |
7293 #endif | |
7294 | |
2006 | 7295 #ifdef TEMPDIRNAMES |
7 | 7296 /* |
1997 | 7297 * Directory "tempdir" was created. Expand this name to a full path and put |
7298 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
7299 * "tempdir" must be no longer than MAXPATHL. | |
7300 */ | |
7301 static void | |
7302 vim_settempdir(tempdir) | |
7303 char_u *tempdir; | |
7304 { | |
7305 char_u *buf; | |
7306 | |
7307 buf = alloc((unsigned)MAXPATHL + 2); | |
7308 if (buf != NULL) | |
7309 { | |
7310 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
7311 STRCPY(buf, tempdir); | |
7312 # ifdef __EMX__ | |
7313 if (vim_strchr(buf, '/') != NULL) | |
7314 STRCAT(buf, "/"); | |
7315 else | |
7316 # endif | |
7317 add_pathsep(buf); | |
7318 vim_tempdir = vim_strsave(buf); | |
7319 vim_free(buf); | |
7320 } | |
7321 } | |
2006 | 7322 #endif |
1997 | 7323 |
7324 /* | |
7 | 7325 * vim_tempname(): Return a unique name that can be used for a temp file. |
7326 * | |
7327 * The temp file is NOT created. | |
7328 * | |
7329 * The returned pointer is to allocated memory. | |
7330 * The returned pointer is NULL if no valid name was found. | |
7331 */ | |
7332 char_u * | |
7333 vim_tempname(extra_char) | |
1877 | 7334 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
7 | 7335 { |
7336 #ifdef USE_TMPNAM | |
7337 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
7338 #else | |
7339 char_u itmp[TEMPNAMELEN]; | |
7340 #endif | |
7341 | |
7342 #ifdef TEMPDIRNAMES | |
7343 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
7344 int i; | |
7345 # ifndef EEXIST | |
7346 struct stat st; | |
7347 # endif | |
7348 | |
7349 /* | |
7350 * This will create a directory for private use by this instance of Vim. | |
7351 * This is done once, and the same directory is used for all temp files. | |
7352 * This method avoids security problems because of symlink attacks et al. | |
7353 * It's also a bit faster, because we only need to check for an existing | |
7354 * file when creating the directory and not for each temp file. | |
7355 */ | |
7356 if (vim_tempdir == NULL) | |
7357 { | |
7358 /* | |
7359 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
7360 */ | |
1877 | 7361 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
7 | 7362 { |
2047
85da03763130
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2028
diff
changeset
|
7363 # ifndef HAVE_MKDTEMP |
1997 | 7364 size_t itmplen; |
7365 long nr; | |
7366 long off; | |
7367 # endif | |
7368 | |
7 | 7369 /* expand $TMP, leave room for "/v1100000/999999999" */ |
7370 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
7371 if (mch_isdir(itmp)) /* directory exists */ | |
7372 { | |
7373 # ifdef __EMX__ | |
7374 /* If $TMP contains a forward slash (perhaps using bash or | |
7375 * tcsh), don't add a backslash, use a forward slash! | |
7376 * Adding 2 backslashes didn't work. */ | |
7377 if (vim_strchr(itmp, '/') != NULL) | |
7378 STRCAT(itmp, "/"); | |
7379 else | |
7380 # endif | |
7381 add_pathsep(itmp); | |
1997 | 7382 |
7383 # ifdef HAVE_MKDTEMP | |
7384 /* Leave room for filename */ | |
7385 STRCAT(itmp, "vXXXXXX"); | |
7386 if (mkdtemp((char *)itmp) != NULL) | |
7387 vim_settempdir(itmp); | |
7388 # else | |
7 | 7389 /* Get an arbitrary number of up to 6 digits. When it's |
7390 * unlikely that it already exists it will be faster, | |
7391 * otherwise it doesn't matter. The use of mkdir() avoids any | |
7392 * security problems because of the predictable number. */ | |
7393 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
2047
85da03763130
updated for version 7.2.333
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parents:
2028
diff
changeset
|
7394 itmplen = STRLEN(itmp); |
7 | 7395 |
7396 /* Try up to 10000 different values until we find a name that | |
7397 * doesn't exist. */ | |
7398 for (off = 0; off < 10000L; ++off) | |
7399 { | |
7400 int r; | |
1997 | 7401 # if defined(UNIX) || defined(VMS) |
7 | 7402 mode_t umask_save; |
1997 | 7403 # endif |
7404 | |
7405 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
7406 # ifndef EEXIST | |
7 | 7407 /* If mkdir() does not set errno to EEXIST, check for |
7408 * existing file here. There is a race condition then, | |
7409 * although it's fail-safe. */ | |
7410 if (mch_stat((char *)itmp, &st) >= 0) | |
7411 continue; | |
1997 | 7412 # endif |
7413 # if defined(UNIX) || defined(VMS) | |
7 | 7414 /* Make sure the umask doesn't remove the executable bit. |
7415 * "repl" has been reported to use "177". */ | |
7416 umask_save = umask(077); | |
1997 | 7417 # endif |
7 | 7418 r = vim_mkdir(itmp, 0700); |
1997 | 7419 # if defined(UNIX) || defined(VMS) |
7 | 7420 (void)umask(umask_save); |
1997 | 7421 # endif |
7 | 7422 if (r == 0) |
7423 { | |
1997 | 7424 vim_settempdir(itmp); |
7 | 7425 break; |
7426 } | |
1997 | 7427 # ifdef EEXIST |
7 | 7428 /* If the mkdir() didn't fail because the file/dir exists, |
7429 * we probably can't create any dir here, try another | |
7430 * place. */ | |
7431 if (errno != EEXIST) | |
1997 | 7432 # endif |
7 | 7433 break; |
7434 } | |
1997 | 7435 # endif /* HAVE_MKDTEMP */ |
7 | 7436 if (vim_tempdir != NULL) |
7437 break; | |
7438 } | |
7439 } | |
7440 } | |
7441 | |
7442 if (vim_tempdir != NULL) | |
7443 { | |
7444 /* There is no need to check if the file exists, because we own the | |
7445 * directory and nobody else creates a file in it. */ | |
7446 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
7447 return vim_strsave(itmp); | |
7448 } | |
7449 | |
7450 return NULL; | |
7451 | |
7452 #else /* TEMPDIRNAMES */ | |
7453 | |
7454 # ifdef WIN3264 | |
7455 char szTempFile[_MAX_PATH + 1]; | |
7456 char buf4[4]; | |
7457 char_u *retval; | |
7458 char_u *p; | |
7459 | |
7460 STRCPY(itmp, ""); | |
7461 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
7462 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */ | |
7463 strcpy(buf4, "VIM"); | |
7464 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
7465 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
7466 return NULL; | |
7467 /* GetTempFileName() will create the file, we don't want that */ | |
7468 (void)DeleteFile(itmp); | |
7469 | |
7470 /* Backslashes in a temp file name cause problems when filtering with | |
7471 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
7472 * didn't set 'shellslash'. */ | |
7473 retval = vim_strsave(itmp); | |
7474 if (*p_shcf == '-' || p_ssl) | |
7475 for (p = retval; *p; ++p) | |
7476 if (*p == '\\') | |
7477 *p = '/'; | |
7478 return retval; | |
7479 | |
7480 # else /* WIN3264 */ | |
7481 | |
7482 # ifdef USE_TMPNAM | |
7483 /* tmpnam() will make its own name */ | |
7484 if (*tmpnam((char *)itmp) == NUL) | |
7485 return NULL; | |
7486 # else | |
7487 char_u *p; | |
7488 | |
7489 # ifdef VMS_TEMPNAM | |
7490 /* mktemp() is not working on VMS. It seems to be | |
7491 * a do-nothing function. Therefore we use tempnam(). | |
7492 */ | |
7493 sprintf((char *)itmp, "VIM%c", extra_char); | |
7494 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
7495 if (p != NULL) | |
7496 { | |
7497 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
7498 * and VIM will then be unable to find the file later */ | |
7499 STRCPY(itmp, p); | |
7500 STRCAT(itmp, ".txt"); | |
7501 free(p); | |
7502 } | |
7503 else | |
7504 return NULL; | |
7505 # else | |
7506 STRCPY(itmp, TEMPNAME); | |
7507 if ((p = vim_strchr(itmp, '?')) != NULL) | |
7508 *p = extra_char; | |
7509 if (mktemp((char *)itmp) == NULL) | |
7510 return NULL; | |
7511 # endif | |
7512 # endif | |
7513 | |
7514 return vim_strsave(itmp); | |
7515 # endif /* WIN3264 */ | |
7516 #endif /* TEMPDIRNAMES */ | |
7517 } | |
7518 | |
7519 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
7520 /* | |
7521 * Convert all backslashes in fname to forward slashes in-place. | |
7522 */ | |
7523 void | |
7524 forward_slash(fname) | |
7525 char_u *fname; | |
7526 { | |
7527 char_u *p; | |
7528 | |
7529 for (p = fname; *p != NUL; ++p) | |
7530 # ifdef FEAT_MBYTE | |
7531 /* The Big5 encoding can have '\' in the trail byte. */ | |
474 | 7532 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7533 ++p; |
7534 else | |
7535 # endif | |
7536 if (*p == '\\') | |
7537 *p = '/'; | |
7538 } | |
7539 #endif | |
7540 | |
7541 | |
7542 /* | |
7543 * Code for automatic commands. | |
7544 * | |
7545 * Only included when "FEAT_AUTOCMD" has been defined. | |
7546 */ | |
7547 | |
7548 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
7549 | |
7550 /* | |
7551 * The autocommands are stored in a list for each event. | |
7552 * Autocommands for the same pattern, that are consecutive, are joined | |
7553 * together, to avoid having to match the pattern too often. | |
7554 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
7555 * | |
7556 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
7557 * Autopat.cmds Autopat.cmds | |
7558 * | | | |
7559 * V V | |
7560 * AutoCmd.next AutoCmd.next | |
7561 * | | | |
7562 * V V | |
7563 * AutoCmd.next NULL | |
7564 * | | |
7565 * V | |
7566 * NULL | |
7567 * | |
7568 * first_autopat[1] --> Autopat.next --> NULL | |
7569 * Autopat.cmds | |
7570 * | | |
7571 * V | |
7572 * AutoCmd.next | |
7573 * | | |
7574 * V | |
7575 * NULL | |
7576 * etc. | |
7577 * | |
7578 * The order of AutoCmds is important, this is the order in which they were | |
7579 * defined and will have to be executed. | |
7580 */ | |
7581 typedef struct AutoCmd | |
7582 { | |
7583 char_u *cmd; /* The command to be executed (NULL | |
7584 when command has been removed) */ | |
7585 char nested; /* If autocommands nest here */ | |
7586 char last; /* last command in list */ | |
7587 #ifdef FEAT_EVAL | |
7588 scid_T scriptID; /* script ID where defined */ | |
7589 #endif | |
7590 struct AutoCmd *next; /* Next AutoCmd in list */ | |
7591 } AutoCmd; | |
7592 | |
7593 typedef struct AutoPat | |
7594 { | |
7595 int group; /* group ID */ | |
7596 char_u *pat; /* pattern as typed (NULL when pattern | |
7597 has been removed) */ | |
7598 int patlen; /* strlen() of pat */ | |
153 | 7599 regprog_T *reg_prog; /* compiled regprog for pattern */ |
7 | 7600 char allow_dirs; /* Pattern may match whole path */ |
7601 char last; /* last pattern for apply_autocmds() */ | |
7602 AutoCmd *cmds; /* list of commands to do */ | |
7603 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
40 | 7604 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
7 | 7605 } AutoPat; |
7606 | |
7607 static struct event_name | |
7608 { | |
7609 char *name; /* event name */ | |
661 | 7610 event_T event; /* event number */ |
7 | 7611 } event_names[] = |
7612 { | |
7613 {"BufAdd", EVENT_BUFADD}, | |
7614 {"BufCreate", EVENT_BUFADD}, | |
7615 {"BufDelete", EVENT_BUFDELETE}, | |
7616 {"BufEnter", EVENT_BUFENTER}, | |
7617 {"BufFilePost", EVENT_BUFFILEPOST}, | |
7618 {"BufFilePre", EVENT_BUFFILEPRE}, | |
7619 {"BufHidden", EVENT_BUFHIDDEN}, | |
7620 {"BufLeave", EVENT_BUFLEAVE}, | |
7621 {"BufNew", EVENT_BUFNEW}, | |
7622 {"BufNewFile", EVENT_BUFNEWFILE}, | |
7623 {"BufRead", EVENT_BUFREADPOST}, | |
7624 {"BufReadCmd", EVENT_BUFREADCMD}, | |
7625 {"BufReadPost", EVENT_BUFREADPOST}, | |
7626 {"BufReadPre", EVENT_BUFREADPRE}, | |
7627 {"BufUnload", EVENT_BUFUNLOAD}, | |
7628 {"BufWinEnter", EVENT_BUFWINENTER}, | |
7629 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
7630 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
7631 {"BufWrite", EVENT_BUFWRITEPRE}, | |
7632 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
7633 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
7634 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
7635 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
7636 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
12 | 7637 {"ColorScheme", EVENT_COLORSCHEME}, |
661 | 7638 {"CursorHold", EVENT_CURSORHOLD}, |
7639 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
7640 {"CursorMoved", EVENT_CURSORMOVED}, | |
7641 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
7 | 7642 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
7643 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
7644 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
7645 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
7646 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
7647 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
765 | 7648 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
7 | 7649 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
7650 {"FileReadPost", EVENT_FILEREADPOST}, | |
7651 {"FileReadPre", EVENT_FILEREADPRE}, | |
7652 {"FileReadCmd", EVENT_FILEREADCMD}, | |
7653 {"FileType", EVENT_FILETYPE}, | |
7654 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
7655 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
7656 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
7657 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
7658 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
7659 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
7660 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
7661 {"FocusGained", EVENT_FOCUSGAINED}, | |
7662 {"FocusLost", EVENT_FOCUSLOST}, | |
7663 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
7664 {"GUIEnter", EVENT_GUIENTER}, | |
946 | 7665 {"GUIFailed", EVENT_GUIFAILED}, |
11 | 7666 {"InsertChange", EVENT_INSERTCHANGE}, |
7667 {"InsertEnter", EVENT_INSERTENTER}, | |
7668 {"InsertLeave", EVENT_INSERTLEAVE}, | |
434 | 7669 {"MenuPopup", EVENT_MENUPOPUP}, |
161 | 7670 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
7671 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
7 | 7672 {"RemoteReply", EVENT_REMOTEREPLY}, |
574 | 7673 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
723 | 7674 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
7675 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
715 | 7676 {"SourcePre", EVENT_SOURCEPRE}, |
1061 | 7677 {"SourceCmd", EVENT_SOURCECMD}, |
649 | 7678 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
7 | 7679 {"StdinReadPost", EVENT_STDINREADPOST}, |
7680 {"StdinReadPre", EVENT_STDINREADPRE}, | |
674 | 7681 {"SwapExists", EVENT_SWAPEXISTS}, |
7 | 7682 {"Syntax", EVENT_SYNTAX}, |
676 | 7683 {"TabEnter", EVENT_TABENTER}, |
7684 {"TabLeave", EVENT_TABLEAVE}, | |
7 | 7685 {"TermChanged", EVENT_TERMCHANGED}, |
7686 {"TermResponse", EVENT_TERMRESPONSE}, | |
7687 {"User", EVENT_USER}, | |
7688 {"VimEnter", EVENT_VIMENTER}, | |
7689 {"VimLeave", EVENT_VIMLEAVE}, | |
7690 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
7691 {"WinEnter", EVENT_WINENTER}, | |
7692 {"WinLeave", EVENT_WINLEAVE}, | |
765 | 7693 {"VimResized", EVENT_VIMRESIZED}, |
661 | 7694 {NULL, (event_T)0} |
7 | 7695 }; |
7696 | |
7697 static AutoPat *first_autopat[NUM_EVENTS] = | |
7698 { | |
7699 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7700 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7701 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7702 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
18 | 7703 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
7704 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
7 | 7705 }; |
7706 | |
7707 /* | |
7708 * struct used to keep status while executing autocommands for an event. | |
7709 */ | |
7710 typedef struct AutoPatCmd | |
7711 { | |
7712 AutoPat *curpat; /* next AutoPat to examine */ | |
7713 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
7714 int group; /* group being used */ | |
7715 char_u *fname; /* fname to match with */ | |
7716 char_u *sfname; /* sfname to match with */ | |
7717 char_u *tail; /* tail of fname */ | |
661 | 7718 event_T event; /* current event */ |
40 | 7719 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
7720 buf is deleted */ | |
7721 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
7 | 7722 } AutoPatCmd; |
7723 | |
297 | 7724 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
40 | 7725 |
7 | 7726 /* |
7727 * augroups stores a list of autocmd group names. | |
7728 */ | |
297 | 7729 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
7 | 7730 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
7731 | |
7732 /* | |
7733 * The ID of the current group. Group 0 is the default one. | |
7734 */ | |
7735 static int current_augroup = AUGROUP_DEFAULT; | |
7736 | |
7737 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
7738 | |
661 | 7739 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
7 | 7740 static void au_remove_pat __ARGS((AutoPat *ap)); |
7741 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
7742 static void au_cleanup __ARGS((void)); | |
7743 static int au_new_group __ARGS((char_u *name)); | |
7744 static void au_del_group __ARGS((char_u *name)); | |
661 | 7745 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
7746 static char_u *event_nr2name __ARGS((event_T event)); | |
7 | 7747 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
661 | 7748 static int event_ignored __ARGS((event_T event)); |
7 | 7749 static int au_get_grouparg __ARGS((char_u **argp)); |
661 | 7750 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
7 | 7751 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
661 | 7752 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)); |
7 | 7753 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
7754 | |
40 | 7755 |
661 | 7756 static event_T last_event; |
7 | 7757 static int last_group; |
1410 | 7758 static int autocmd_blocked = 0; /* block all autocmds */ |
7 | 7759 |
7760 /* | |
7761 * Show the autocommands for one AutoPat. | |
7762 */ | |
7763 static void | |
7764 show_autocmd(ap, event) | |
7765 AutoPat *ap; | |
661 | 7766 event_T event; |
7 | 7767 { |
7768 AutoCmd *ac; | |
7769 | |
7770 /* Check for "got_int" (here and at various places below), which is set | |
7771 * when "q" has been hit for the "--more--" prompt */ | |
7772 if (got_int) | |
7773 return; | |
7774 if (ap->pat == NULL) /* pattern has been removed */ | |
7775 return; | |
7776 | |
7777 msg_putchar('\n'); | |
7778 if (got_int) | |
7779 return; | |
7780 if (event != last_event || ap->group != last_group) | |
7781 { | |
7782 if (ap->group != AUGROUP_DEFAULT) | |
7783 { | |
7784 if (AUGROUP_NAME(ap->group) == NULL) | |
7785 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
7786 else | |
7787 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
7788 msg_puts((char_u *)" "); | |
7789 } | |
7790 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
7791 last_event = event; | |
7792 last_group = ap->group; | |
7793 msg_putchar('\n'); | |
7794 if (got_int) | |
7795 return; | |
7796 } | |
7797 msg_col = 4; | |
7798 msg_outtrans(ap->pat); | |
7799 | |
7800 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
7801 { | |
7802 if (ac->cmd != NULL) /* skip removed commands */ | |
7803 { | |
7804 if (msg_col >= 14) | |
7805 msg_putchar('\n'); | |
7806 msg_col = 14; | |
7807 if (got_int) | |
7808 return; | |
7809 msg_outtrans(ac->cmd); | |
500 | 7810 #ifdef FEAT_EVAL |
7811 if (p_verbose > 0) | |
7812 last_set_msg(ac->scriptID); | |
7813 #endif | |
7 | 7814 if (got_int) |
7815 return; | |
7816 if (ac->next != NULL) | |
7817 { | |
7818 msg_putchar('\n'); | |
7819 if (got_int) | |
7820 return; | |
7821 } | |
7822 } | |
7823 } | |
7824 } | |
7825 | |
7826 /* | |
7827 * Mark an autocommand pattern for deletion. | |
7828 */ | |
7829 static void | |
7830 au_remove_pat(ap) | |
7831 AutoPat *ap; | |
7832 { | |
7833 vim_free(ap->pat); | |
7834 ap->pat = NULL; | |
40 | 7835 ap->buflocal_nr = -1; |
7 | 7836 au_need_clean = TRUE; |
7837 } | |
7838 | |
7839 /* | |
7840 * Mark all commands for a pattern for deletion. | |
7841 */ | |
7842 static void | |
7843 au_remove_cmds(ap) | |
7844 AutoPat *ap; | |
7845 { | |
7846 AutoCmd *ac; | |
7847 | |
7848 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
7849 { | |
7850 vim_free(ac->cmd); | |
7851 ac->cmd = NULL; | |
7852 } | |
7853 au_need_clean = TRUE; | |
7854 } | |
7855 | |
7856 /* | |
7857 * Cleanup autocommands and patterns that have been deleted. | |
7858 * This is only done when not executing autocommands. | |
7859 */ | |
7860 static void | |
7861 au_cleanup() | |
7862 { | |
7863 AutoPat *ap, **prev_ap; | |
7864 AutoCmd *ac, **prev_ac; | |
661 | 7865 event_T event; |
7 | 7866 |
7867 if (autocmd_busy || !au_need_clean) | |
7868 return; | |
7869 | |
7870 /* loop over all events */ | |
661 | 7871 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
7872 event = (event_T)((int)event + 1)) | |
7 | 7873 { |
7874 /* loop over all autocommand patterns */ | |
7875 prev_ap = &(first_autopat[(int)event]); | |
7876 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
7877 { | |
7878 /* loop over all commands for this pattern */ | |
7879 prev_ac = &(ap->cmds); | |
7880 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
7881 { | |
7882 /* remove the command if the pattern is to be deleted or when | |
7883 * the command has been marked for deletion */ | |
7884 if (ap->pat == NULL || ac->cmd == NULL) | |
7885 { | |
7886 *prev_ac = ac->next; | |
7887 vim_free(ac->cmd); | |
7888 vim_free(ac); | |
7889 } | |
7890 else | |
7891 prev_ac = &(ac->next); | |
7892 } | |
7893 | |
7894 /* remove the pattern if it has been marked for deletion */ | |
7895 if (ap->pat == NULL) | |
7896 { | |
7897 *prev_ap = ap->next; | |
153 | 7898 vim_free(ap->reg_prog); |
7 | 7899 vim_free(ap); |
7900 } | |
7901 else | |
7902 prev_ap = &(ap->next); | |
7903 } | |
7904 } | |
7905 | |
7906 au_need_clean = FALSE; | |
7907 } | |
7908 | |
7909 /* | |
40 | 7910 * Called when buffer is freed, to remove/invalidate related buffer-local |
7911 * autocmds. | |
7912 */ | |
7913 void | |
7914 aubuflocal_remove(buf) | |
7915 buf_T *buf; | |
7916 { | |
7917 AutoPat *ap; | |
661 | 7918 event_T event; |
40 | 7919 AutoPatCmd *apc; |
7920 | |
7921 /* invalidate currently executing autocommands */ | |
7922 for (apc = active_apc_list; apc; apc = apc->next) | |
7923 if (buf->b_fnum == apc->arg_bufnr) | |
7924 apc->arg_bufnr = 0; | |
7925 | |
7926 /* invalidate buflocals looping through events */ | |
661 | 7927 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
7928 event = (event_T)((int)event + 1)) | |
40 | 7929 /* loop over all autocommand patterns */ |
7930 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
7931 if (ap->buflocal_nr == buf->b_fnum) | |
7932 { | |
7933 au_remove_pat(ap); | |
7934 if (p_verbose >= 6) | |
292 | 7935 { |
7936 verbose_enter(); | |
40 | 7937 smsg((char_u *) |
7938 _("auto-removing autocommand: %s <buffer=%d>"), | |
7939 event_nr2name(event), buf->b_fnum); | |
292 | 7940 verbose_leave(); |
7941 } | |
40 | 7942 } |
7943 au_cleanup(); | |
7944 } | |
7945 | |
7946 /* | |
7 | 7947 * Add an autocmd group name. |
7948 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
7949 */ | |
7950 static int | |
7951 au_new_group(name) | |
7952 char_u *name; | |
7953 { | |
7954 int i; | |
7955 | |
7956 i = au_find_group(name); | |
7957 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
7958 { | |
7959 /* First try using a free entry. */ | |
7960 for (i = 0; i < augroups.ga_len; ++i) | |
7961 if (AUGROUP_NAME(i) == NULL) | |
7962 break; | |
7963 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
7964 return AUGROUP_ERROR; | |
7965 | |
7966 AUGROUP_NAME(i) = vim_strsave(name); | |
7967 if (AUGROUP_NAME(i) == NULL) | |
7968 return AUGROUP_ERROR; | |
7969 if (i == augroups.ga_len) | |
7970 ++augroups.ga_len; | |
7971 } | |
7972 | |
7973 return i; | |
7974 } | |
7975 | |
7976 static void | |
7977 au_del_group(name) | |
7978 char_u *name; | |
7979 { | |
7980 int i; | |
7981 | |
7982 i = au_find_group(name); | |
7983 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
7984 EMSG2(_("E367: No such group: \"%s\""), name); | |
7985 else | |
7986 { | |
7987 vim_free(AUGROUP_NAME(i)); | |
7988 AUGROUP_NAME(i) = NULL; | |
7989 } | |
7990 } | |
7991 | |
7992 /* | |
7993 * Find the ID of an autocmd group name. | |
7994 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
7995 */ | |
7996 static int | |
7997 au_find_group(name) | |
7998 char_u *name; | |
7999 { | |
8000 int i; | |
8001 | |
8002 for (i = 0; i < augroups.ga_len; ++i) | |
8003 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
8004 return i; | |
8005 return AUGROUP_ERROR; | |
8006 } | |
8007 | |
461 | 8008 /* |
8009 * Return TRUE if augroup "name" exists. | |
8010 */ | |
8011 int | |
8012 au_has_group(name) | |
8013 char_u *name; | |
8014 { | |
8015 return au_find_group(name) != AUGROUP_ERROR; | |
8016 } | |
8017 | |
7 | 8018 /* |
8019 * ":augroup {name}". | |
8020 */ | |
8021 void | |
8022 do_augroup(arg, del_group) | |
8023 char_u *arg; | |
8024 int del_group; | |
8025 { | |
8026 int i; | |
8027 | |
8028 if (del_group) | |
8029 { | |
8030 if (*arg == NUL) | |
8031 EMSG(_(e_argreq)); | |
8032 else | |
8033 au_del_group(arg); | |
8034 } | |
8035 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
8036 current_augroup = AUGROUP_DEFAULT; | |
8037 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
8038 { | |
8039 i = au_new_group(arg); | |
8040 if (i != AUGROUP_ERROR) | |
8041 current_augroup = i; | |
8042 } | |
8043 else /* ":aug": list the group names */ | |
8044 { | |
8045 msg_start(); | |
8046 for (i = 0; i < augroups.ga_len; ++i) | |
8047 { | |
8048 if (AUGROUP_NAME(i) != NULL) | |
8049 { | |
8050 msg_puts(AUGROUP_NAME(i)); | |
8051 msg_puts((char_u *)" "); | |
8052 } | |
8053 } | |
8054 msg_clr_eos(); | |
8055 msg_end(); | |
8056 } | |
8057 } | |
8058 | |
355 | 8059 #if defined(EXITFREE) || defined(PROTO) |
8060 void | |
8061 free_all_autocmds() | |
8062 { | |
8063 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
8064 ++current_augroup) | |
8065 do_autocmd((char_u *)"", TRUE); | |
8066 ga_clear_strings(&augroups); | |
8067 } | |
8068 #endif | |
8069 | |
7 | 8070 /* |
8071 * Return the event number for event name "start". | |
8072 * Return NUM_EVENTS if the event name was not found. | |
8073 * Return a pointer to the next event name in "end". | |
8074 */ | |
661 | 8075 static event_T |
7 | 8076 event_name2nr(start, end) |
8077 char_u *start; | |
8078 char_u **end; | |
8079 { | |
8080 char_u *p; | |
8081 int i; | |
8082 int len; | |
8083 | |
8084 /* the event name ends with end of line, a blank or a comma */ | |
8085 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
8086 ; | |
8087 for (i = 0; event_names[i].name != NULL; ++i) | |
8088 { | |
8089 len = (int)STRLEN(event_names[i].name); | |
8090 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
8091 break; | |
8092 } | |
8093 if (*p == ',') | |
8094 ++p; | |
8095 *end = p; | |
8096 if (event_names[i].name == NULL) | |
8097 return NUM_EVENTS; | |
8098 return event_names[i].event; | |
8099 } | |
8100 | |
8101 /* | |
8102 * Return the name for event "event". | |
8103 */ | |
8104 static char_u * | |
8105 event_nr2name(event) | |
661 | 8106 event_T event; |
7 | 8107 { |
8108 int i; | |
8109 | |
8110 for (i = 0; event_names[i].name != NULL; ++i) | |
8111 if (event_names[i].event == event) | |
8112 return (char_u *)event_names[i].name; | |
8113 return (char_u *)"Unknown"; | |
8114 } | |
8115 | |
8116 /* | |
8117 * Scan over the events. "*" stands for all events. | |
8118 */ | |
8119 static char_u * | |
8120 find_end_event(arg, have_group) | |
8121 char_u *arg; | |
8122 int have_group; /* TRUE when group name was found */ | |
8123 { | |
8124 char_u *pat; | |
8125 char_u *p; | |
8126 | |
8127 if (*arg == '*') | |
8128 { | |
8129 if (arg[1] && !vim_iswhite(arg[1])) | |
8130 { | |
8131 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
8132 return NULL; | |
8133 } | |
8134 pat = arg + 1; | |
8135 } | |
8136 else | |
8137 { | |
8138 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
8139 { | |
8140 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
8141 { | |
8142 if (have_group) | |
8143 EMSG2(_("E216: No such event: %s"), pat); | |
8144 else | |
8145 EMSG2(_("E216: No such group or event: %s"), pat); | |
8146 return NULL; | |
8147 } | |
8148 } | |
8149 } | |
8150 return pat; | |
8151 } | |
8152 | |
8153 /* | |
8154 * Return TRUE if "event" is included in 'eventignore'. | |
8155 */ | |
8156 static int | |
8157 event_ignored(event) | |
661 | 8158 event_T event; |
7 | 8159 { |
8160 char_u *p = p_ei; | |
8161 | |
844 | 8162 while (*p != NUL) |
8163 { | |
8164 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
8165 return TRUE; | |
7 | 8166 if (event_name2nr(p, &p) == event) |
8167 return TRUE; | |
844 | 8168 } |
7 | 8169 |
8170 return FALSE; | |
8171 } | |
8172 | |
8173 /* | |
8174 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
8175 */ | |
8176 int | |
8177 check_ei() | |
8178 { | |
8179 char_u *p = p_ei; | |
8180 | |
8181 while (*p) | |
844 | 8182 { |
8183 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
8184 { | |
8185 p += 3; | |
8186 if (*p == ',') | |
8187 ++p; | |
8188 } | |
8189 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
7 | 8190 return FAIL; |
844 | 8191 } |
7 | 8192 |
8193 return OK; | |
8194 } | |
8195 | |
123 | 8196 # if defined(FEAT_SYN_HL) || defined(PROTO) |
8197 | |
8198 /* | |
8199 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
8200 * buffer loaded into the window. "what" must start with a comma. | |
8201 * Returns the old value of 'eventignore' in allocated memory. | |
8202 */ | |
8203 char_u * | |
8204 au_event_disable(what) | |
8205 char *what; | |
8206 { | |
8207 char_u *new_ei; | |
8208 char_u *save_ei; | |
8209 | |
8210 save_ei = vim_strsave(p_ei); | |
8211 if (save_ei != NULL) | |
8212 { | |
557 | 8213 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
123 | 8214 if (new_ei != NULL) |
8215 { | |
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8216 if (*what == ',' && *p_ei == NUL) |
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8217 STRCPY(new_ei, what + 1); |
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8218 else |
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8219 STRCAT(new_ei, what); |
694 | 8220 set_string_option_direct((char_u *)"ei", -1, new_ei, |
8221 OPT_FREE, SID_NONE); | |
123 | 8222 vim_free(new_ei); |
8223 } | |
8224 } | |
8225 return save_ei; | |
8226 } | |
8227 | |
8228 void | |
8229 au_event_restore(old_ei) | |
8230 char_u *old_ei; | |
8231 { | |
8232 if (old_ei != NULL) | |
8233 { | |
694 | 8234 set_string_option_direct((char_u *)"ei", -1, old_ei, |
8235 OPT_FREE, SID_NONE); | |
123 | 8236 vim_free(old_ei); |
8237 } | |
8238 } | |
8239 # endif /* FEAT_SYN_HL */ | |
8240 | |
7 | 8241 /* |
8242 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
8243 * following ways: | |
8244 * | |
8245 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
8246 * will be automatically executed for <event> | |
8247 * when editing a file matching <pat>, in | |
8248 * the current group. | |
8249 * :autocmd <event> <pat> Show the auto-commands associated with | |
8250 * <event> and <pat>. | |
8251 * :autocmd <event> Show the auto-commands associated with | |
8252 * <event>. | |
8253 * :autocmd Show all auto-commands. | |
8254 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
8255 * <event> and <pat>, and add the command | |
8256 * <cmd>, for the current group. | |
8257 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
8258 * <event> and <pat> for the current group. | |
8259 * :autocmd! <event> Remove all auto-commands associated with | |
8260 * <event> for the current group. | |
8261 * :autocmd! Remove ALL auto-commands for the current | |
8262 * group. | |
8263 * | |
8264 * Multiple events and patterns may be given separated by commas. Here are | |
8265 * some examples: | |
8266 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
8267 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
8268 * | |
8269 * :autocmd * *.c show all autocommands for *.c files. | |
609 | 8270 * |
8271 * Mostly a {group} argument can optionally appear before <event>. | |
7 | 8272 */ |
8273 void | |
8274 do_autocmd(arg, forceit) | |
8275 char_u *arg; | |
8276 int forceit; | |
8277 { | |
8278 char_u *pat; | |
8279 char_u *envpat = NULL; | |
8280 char_u *cmd; | |
661 | 8281 event_T event; |
7 | 8282 int need_free = FALSE; |
8283 int nested = FALSE; | |
8284 int group; | |
8285 | |
8286 /* | |
8287 * Check for a legal group name. If not, use AUGROUP_ALL. | |
8288 */ | |
8289 group = au_get_grouparg(&arg); | |
8290 if (arg == NULL) /* out of memory */ | |
8291 return; | |
8292 | |
8293 /* | |
8294 * Scan over the events. | |
8295 * If we find an illegal name, return here, don't do anything. | |
8296 */ | |
8297 pat = find_end_event(arg, group != AUGROUP_ALL); | |
8298 if (pat == NULL) | |
8299 return; | |
8300 | |
8301 /* | |
8302 * Scan over the pattern. Put a NUL at the end. | |
8303 */ | |
8304 pat = skipwhite(pat); | |
8305 cmd = pat; | |
8306 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
8307 cmd++; | |
8308 if (*cmd) | |
8309 *cmd++ = NUL; | |
8310 | |
8311 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
8312 * forward slashes here. */ | |
8313 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
8314 { | |
8315 #ifdef BACKSLASH_IN_FILENAME | |
8316 int p_ssl_save = p_ssl; | |
8317 | |
8318 p_ssl = TRUE; | |
8319 #endif | |
8320 envpat = expand_env_save(pat); | |
8321 #ifdef BACKSLASH_IN_FILENAME | |
8322 p_ssl = p_ssl_save; | |
8323 #endif | |
8324 if (envpat != NULL) | |
8325 pat = envpat; | |
8326 } | |
8327 | |
8328 /* | |
8329 * Check for "nested" flag. | |
8330 */ | |
8331 cmd = skipwhite(cmd); | |
8332 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
8333 { | |
8334 nested = TRUE; | |
8335 cmd = skipwhite(cmd + 6); | |
8336 } | |
8337 | |
8338 /* | |
8339 * Find the start of the commands. | |
8340 * Expand <sfile> in it. | |
8341 */ | |
8342 if (*cmd != NUL) | |
8343 { | |
8344 cmd = expand_sfile(cmd); | |
8345 if (cmd == NULL) /* some error */ | |
8346 return; | |
8347 need_free = TRUE; | |
8348 } | |
8349 | |
8350 /* | |
8351 * Print header when showing autocommands. | |
8352 */ | |
8353 if (!forceit && *cmd == NUL) | |
8354 { | |
8355 /* Highlight title */ | |
8356 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
8357 } | |
8358 | |
8359 /* | |
8360 * Loop over the events. | |
8361 */ | |
661 | 8362 last_event = (event_T)-1; /* for listing the event name */ |
7 | 8363 last_group = AUGROUP_ERROR; /* for listing the group name */ |
8364 if (*arg == '*' || *arg == NUL) | |
8365 { | |
661 | 8366 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
8367 event = (event_T)((int)event + 1)) | |
7 | 8368 if (do_autocmd_event(event, pat, |
8369 nested, cmd, forceit, group) == FAIL) | |
8370 break; | |
8371 } | |
8372 else | |
8373 { | |
8374 while (*arg && !vim_iswhite(*arg)) | |
8375 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
8376 nested, cmd, forceit, group) == FAIL) | |
8377 break; | |
8378 } | |
8379 | |
8380 if (need_free) | |
8381 vim_free(cmd); | |
8382 vim_free(envpat); | |
8383 } | |
8384 | |
8385 /* | |
8386 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
8387 * The "argp" argument is advanced to the following argument. | |
8388 * | |
8389 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
8390 */ | |
8391 static int | |
8392 au_get_grouparg(argp) | |
8393 char_u **argp; | |
8394 { | |
8395 char_u *group_name; | |
8396 char_u *p; | |
8397 char_u *arg = *argp; | |
8398 int group = AUGROUP_ALL; | |
8399 | |
8400 p = skiptowhite(arg); | |
8401 if (p > arg) | |
8402 { | |
8403 group_name = vim_strnsave(arg, (int)(p - arg)); | |
8404 if (group_name == NULL) /* out of memory */ | |
8405 return AUGROUP_ERROR; | |
8406 group = au_find_group(group_name); | |
8407 if (group == AUGROUP_ERROR) | |
8408 group = AUGROUP_ALL; /* no match, use all groups */ | |
8409 else | |
8410 *argp = skipwhite(p); /* match, skip over group name */ | |
8411 vim_free(group_name); | |
8412 } | |
8413 return group; | |
8414 } | |
8415 | |
8416 /* | |
8417 * do_autocmd() for one event. | |
8418 * If *pat == NUL do for all patterns. | |
8419 * If *cmd == NUL show entries. | |
8420 * If forceit == TRUE delete entries. | |
8421 * If group is not AUGROUP_ALL, only use this group. | |
8422 */ | |
8423 static int | |
8424 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
661 | 8425 event_T event; |
7 | 8426 char_u *pat; |
8427 int nested; | |
8428 char_u *cmd; | |
8429 int forceit; | |
8430 int group; | |
8431 { | |
8432 AutoPat *ap; | |
8433 AutoPat **prev_ap; | |
8434 AutoCmd *ac; | |
8435 AutoCmd **prev_ac; | |
8436 int brace_level; | |
8437 char_u *endpat; | |
8438 int findgroup; | |
8439 int allgroups; | |
8440 int patlen; | |
856 | 8441 int is_buflocal; |
40 | 8442 int buflocal_nr; |
8443 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
7 | 8444 |
8445 if (group == AUGROUP_ALL) | |
8446 findgroup = current_augroup; | |
8447 else | |
8448 findgroup = group; | |
8449 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
8450 | |
8451 /* | |
8452 * Show or delete all patterns for an event. | |
8453 */ | |
8454 if (*pat == NUL) | |
8455 { | |
8456 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
8457 { | |
8458 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
8459 { | |
8460 if (ap->group == findgroup) | |
8461 au_remove_pat(ap); | |
8462 } | |
8463 else if (group == AUGROUP_ALL || ap->group == group) | |
8464 show_autocmd(ap, event); | |
8465 } | |
8466 } | |
8467 | |
8468 /* | |
8469 * Loop through all the specified patterns. | |
8470 */ | |
8471 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
8472 { | |
8473 /* | |
8474 * Find end of the pattern. | |
8475 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
8476 */ | |
8477 brace_level = 0; | |
8478 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
8479 || endpat[-1] == '\\'); ++endpat) | |
8480 { | |
8481 if (*endpat == '{') | |
8482 brace_level++; | |
8483 else if (*endpat == '}') | |
8484 brace_level--; | |
8485 } | |
8486 if (pat == endpat) /* ignore single comma */ | |
8487 continue; | |
8488 patlen = (int)(endpat - pat); | |
8489 | |
8490 /* | |
40 | 8491 * detect special <buflocal[=X]> buffer-local patterns |
8492 */ | |
8493 is_buflocal = FALSE; | |
8494 buflocal_nr = 0; | |
8495 | |
8496 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
8497 && pat[patlen - 1] == '>') | |
8498 { | |
8499 /* Error will be printed only for addition. printing and removing | |
8500 * will proceed silently. */ | |
8501 is_buflocal = TRUE; | |
8502 if (patlen == 8) | |
8503 buflocal_nr = curbuf->b_fnum; | |
8504 else if (patlen > 9 && pat[7] == '=') | |
8505 { | |
8506 /* <buffer=abuf> */ | |
8507 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
8508 buflocal_nr = autocmd_bufnr; | |
8509 /* <buffer=123> */ | |
8510 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
8511 buflocal_nr = atoi((char *)pat + 8); | |
8512 } | |
8513 } | |
8514 | |
8515 if (is_buflocal) | |
8516 { | |
8517 /* normalize pat into standard "<buffer>#N" form */ | |
8518 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
8519 pat = buflocal_pat; /* can modify pat and patlen */ | |
835 | 8520 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
40 | 8521 } |
8522 | |
8523 /* | |
7 | 8524 * Find AutoPat entries with this pattern. |
8525 */ | |
8526 prev_ap = &first_autopat[(int)event]; | |
8527 while ((ap = *prev_ap) != NULL) | |
8528 { | |
8529 if (ap->pat != NULL) | |
8530 { | |
8531 /* Accept a pattern when: | |
8532 * - a group was specified and it's that group, or a group was | |
8533 * not specified and it's the current group, or a group was | |
8534 * not specified and we are listing | |
8535 * - the length of the pattern matches | |
40 | 8536 * - the pattern matches. |
8537 * For <buffer[=X]>, this condition works because we normalize | |
8538 * all buffer-local patterns. | |
7 | 8539 */ |
8540 if ((allgroups || ap->group == findgroup) | |
8541 && ap->patlen == patlen | |
8542 && STRNCMP(pat, ap->pat, patlen) == 0) | |
8543 { | |
8544 /* | |
8545 * Remove existing autocommands. | |
8546 * If adding any new autocmd's for this AutoPat, don't | |
8547 * delete the pattern from the autopat list, append to | |
8548 * this list. | |
8549 */ | |
8550 if (forceit) | |
8551 { | |
8552 if (*cmd != NUL && ap->next == NULL) | |
8553 { | |
8554 au_remove_cmds(ap); | |
8555 break; | |
8556 } | |
8557 au_remove_pat(ap); | |
8558 } | |
8559 | |
8560 /* | |
40 | 8561 * Show autocmd's for this autopat, or buflocals <buffer=X> |
7 | 8562 */ |
8563 else if (*cmd == NUL) | |
8564 show_autocmd(ap, event); | |
8565 | |
8566 /* | |
8567 * Add autocmd to this autopat, if it's the last one. | |
8568 */ | |
8569 else if (ap->next == NULL) | |
8570 break; | |
8571 } | |
8572 } | |
8573 prev_ap = &ap->next; | |
8574 } | |
8575 | |
8576 /* | |
8577 * Add a new command. | |
8578 */ | |
8579 if (*cmd != NUL) | |
8580 { | |
8581 /* | |
8582 * If the pattern we want to add a command to does appear at the | |
8583 * end of the list (or not is not in the list at all), add the | |
8584 * pattern at the end of the list. | |
8585 */ | |
8586 if (ap == NULL) | |
8587 { | |
40 | 8588 /* refuse to add buffer-local ap if buffer number is invalid */ |
8589 if (is_buflocal && (buflocal_nr == 0 | |
8590 || buflist_findnr(buflocal_nr) == NULL)) | |
8591 { | |
8592 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
8593 buflocal_nr); | |
8594 return FAIL; | |
8595 } | |
8596 | |
7 | 8597 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
8598 if (ap == NULL) | |
8599 return FAIL; | |
8600 ap->pat = vim_strnsave(pat, patlen); | |
8601 ap->patlen = patlen; | |
8602 if (ap->pat == NULL) | |
8603 { | |
8604 vim_free(ap); | |
8605 return FAIL; | |
8606 } | |
40 | 8607 |
8608 if (is_buflocal) | |
8609 { | |
8610 ap->buflocal_nr = buflocal_nr; | |
153 | 8611 ap->reg_prog = NULL; |
40 | 8612 } |
8613 else | |
7 | 8614 { |
153 | 8615 char_u *reg_pat; |
8616 | |
40 | 8617 ap->buflocal_nr = 0; |
153 | 8618 reg_pat = file_pat_to_reg_pat(pat, endpat, |
40 | 8619 &ap->allow_dirs, TRUE); |
153 | 8620 if (reg_pat != NULL) |
8621 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
355 | 8622 vim_free(reg_pat); |
153 | 8623 if (reg_pat == NULL || ap->reg_prog == NULL) |
40 | 8624 { |
8625 vim_free(ap->pat); | |
8626 vim_free(ap); | |
8627 return FAIL; | |
8628 } | |
7 | 8629 } |
8630 ap->cmds = NULL; | |
8631 *prev_ap = ap; | |
8632 ap->next = NULL; | |
8633 if (group == AUGROUP_ALL) | |
8634 ap->group = current_augroup; | |
8635 else | |
8636 ap->group = group; | |
8637 } | |
8638 | |
8639 /* | |
8640 * Add the autocmd at the end of the AutoCmd list. | |
8641 */ | |
8642 prev_ac = &(ap->cmds); | |
8643 while ((ac = *prev_ac) != NULL) | |
8644 prev_ac = &ac->next; | |
8645 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
8646 if (ac == NULL) | |
8647 return FAIL; | |
8648 ac->cmd = vim_strsave(cmd); | |
8649 #ifdef FEAT_EVAL | |
8650 ac->scriptID = current_SID; | |
8651 #endif | |
8652 if (ac->cmd == NULL) | |
8653 { | |
8654 vim_free(ac); | |
8655 return FAIL; | |
8656 } | |
8657 ac->next = NULL; | |
8658 *prev_ac = ac; | |
8659 ac->nested = nested; | |
8660 } | |
8661 } | |
8662 | |
8663 au_cleanup(); /* may really delete removed patterns/commands now */ | |
8664 return OK; | |
8665 } | |
8666 | |
8667 /* | |
8668 * Implementation of ":doautocmd [group] event [fname]". | |
8669 * Return OK for success, FAIL for failure; | |
8670 */ | |
8671 int | |
8672 do_doautocmd(arg, do_msg) | |
8673 char_u *arg; | |
8674 int do_msg; /* give message for no matching autocmds? */ | |
8675 { | |
8676 char_u *fname; | |
8677 int nothing_done = TRUE; | |
8678 int group; | |
8679 | |
8680 /* | |
8681 * Check for a legal group name. If not, use AUGROUP_ALL. | |
8682 */ | |
8683 group = au_get_grouparg(&arg); | |
8684 if (arg == NULL) /* out of memory */ | |
8685 return FAIL; | |
8686 | |
8687 if (*arg == '*') | |
8688 { | |
8689 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
8690 return FAIL; | |
8691 } | |
8692 | |
8693 /* | |
8694 * Scan over the events. | |
8695 * If we find an illegal name, return here, don't do anything. | |
8696 */ | |
8697 fname = find_end_event(arg, group != AUGROUP_ALL); | |
8698 if (fname == NULL) | |
8699 return FAIL; | |
8700 | |
8701 fname = skipwhite(fname); | |
8702 | |
8703 /* | |
8704 * Loop over the events. | |
8705 */ | |
8706 while (*arg && !vim_iswhite(*arg)) | |
8707 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
8708 fname, NULL, TRUE, group, curbuf, NULL)) | |
8709 nothing_done = FALSE; | |
8710 | |
8711 if (nothing_done && do_msg) | |
8712 MSG(_("No matching autocommands")); | |
8713 | |
8714 #ifdef FEAT_EVAL | |
8715 return aborting() ? FAIL : OK; | |
8716 #else | |
8717 return OK; | |
8718 #endif | |
8719 } | |
8720 | |
8721 /* | |
8722 * ":doautoall": execute autocommands for each loaded buffer. | |
8723 */ | |
8724 void | |
8725 ex_doautoall(eap) | |
8726 exarg_T *eap; | |
8727 { | |
8728 int retval; | |
8729 aco_save_T aco; | |
8730 buf_T *buf; | |
8731 | |
8732 /* | |
8733 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
8734 * equal to curbuf, but for some buffers there may not be a window. | |
8735 * So we change the buffer for the current window for a moment. This | |
8736 * gives problems when the autocommands make changes to the list of | |
8737 * buffers or windows... | |
8738 */ | |
8739 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
8740 { | |
1665 | 8741 if (buf->b_ml.ml_mfp != NULL) |
7 | 8742 { |
8743 /* find a window for this buffer and save some values */ | |
8744 aucmd_prepbuf(&aco, buf); | |
8745 | |
8746 /* execute the autocommands for this buffer */ | |
8747 retval = do_doautocmd(eap->arg, FALSE); | |
1113 | 8748 |
8749 /* Execute the modeline settings, but don't set window-local | |
8750 * options if we are using the current window for another buffer. */ | |
1906 | 8751 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
7 | 8752 |
8753 /* restore the current window */ | |
8754 aucmd_restbuf(&aco); | |
8755 | |
8756 /* stop if there is some error or buffer was deleted */ | |
8757 if (retval == FAIL || !buf_valid(buf)) | |
8758 break; | |
8759 } | |
8760 } | |
8761 | |
8762 check_cursor(); /* just in case lines got deleted */ | |
8763 } | |
8764 | |
8765 /* | |
8766 * Prepare for executing autocommands for (hidden) buffer "buf". | |
1906 | 8767 * Search for a visible window containing the current buffer. If there isn't |
8768 * one then use "aucmd_win". | |
7 | 8769 * Set "curbuf" and "curwin" to match "buf". |
934 | 8770 * When FEAT_AUTOCMD is not defined another version is used, see below. |
7 | 8771 */ |
8772 void | |
8773 aucmd_prepbuf(aco, buf) | |
8774 aco_save_T *aco; /* structure to save values in */ | |
8775 buf_T *buf; /* new curbuf */ | |
8776 { | |
8777 win_T *win; | |
1906 | 8778 #ifdef FEAT_WINDOWS |
8779 int save_ea; | |
8780 #endif | |
7 | 8781 |
8782 /* Find a window that is for the new buffer */ | |
8783 if (buf == curbuf) /* be quick when buf is curbuf */ | |
8784 win = curwin; | |
8785 else | |
8786 #ifdef FEAT_WINDOWS | |
8787 for (win = firstwin; win != NULL; win = win->w_next) | |
8788 if (win->w_buffer == buf) | |
8789 break; | |
8790 #else | |
8791 win = NULL; | |
8792 #endif | |
8793 | |
1906 | 8794 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
8795 * back to using the current window. */ | |
8796 if (win == NULL && aucmd_win == NULL) | |
8797 { | |
8798 win_alloc_aucmd_win(); | |
8799 if (aucmd_win == NULL) | |
8800 win = curwin; | |
8801 } | |
1944 | 8802 if (win == NULL && aucmd_win_used) |
8803 /* Strange recursive autocommand, fall back to using the current | |
8804 * window. Expect a few side effects... */ | |
8805 win = curwin; | |
1906 | 8806 |
8807 aco->save_curwin = curwin; | |
8808 aco->save_curbuf = curbuf; | |
7 | 8809 if (win != NULL) |
8810 { | |
1906 | 8811 /* There is a window for "buf" in the current tab page, make it the |
8812 * curwin. This is preferred, it has the least side effects (esp. if | |
8813 * "buf" is curbuf). */ | |
1944 | 8814 aco->use_aucmd_win = FALSE; |
7 | 8815 curwin = win; |
8816 } | |
8817 else | |
8818 { | |
1906 | 8819 /* There is no window for "buf", use "aucmd_win". To minimize the side |
8820 * effects, insert it in a the current tab page. | |
8821 * Anything related to a window (e.g., setting folds) may have | |
8822 * unexpected results. */ | |
1944 | 8823 aco->use_aucmd_win = TRUE; |
8824 aucmd_win_used = TRUE; | |
1918 | 8825 aucmd_win->w_buffer = buf; |
2258
772bfca06c18
Fix crash when using ":grep".
Bram Moolenaar <bram@vim.org>
parents:
2244
diff
changeset
|
8826 aucmd_win->w_s = &buf->b_s; |
7 | 8827 ++buf->b_nwindows; |
1918 | 8828 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
1944 | 8829 vim_free(aucmd_win->w_localdir); |
8830 aucmd_win->w_localdir = NULL; | |
8831 | |
8832 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
8833 * win_enter_ext(). */ | |
8834 aucmd_win->w_localdir = NULL; | |
8835 aco->globaldir = globaldir; | |
8836 globaldir = NULL; | |
8837 | |
7 | 8838 |
1906 | 8839 #ifdef FEAT_WINDOWS |
1923 | 8840 /* Split the current window, put the aucmd_win in the upper half. |
8841 * We don't want the BufEnter or WinEnter autocommands. */ | |
8842 block_autocmds(); | |
1906 | 8843 make_snapshot(SNAP_AUCMD_IDX); |
8844 save_ea = p_ea; | |
8845 p_ea = FALSE; | |
8846 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
8847 (void)win_comp_pos(); /* recompute window positions */ | |
8848 p_ea = save_ea; | |
1923 | 8849 unblock_autocmds(); |
1906 | 8850 #endif |
1918 | 8851 curwin = aucmd_win; |
1906 | 8852 } |
7 | 8853 curbuf = buf; |
1906 | 8854 aco->new_curwin = curwin; |
8855 aco->new_curbuf = curbuf; | |
7 | 8856 } |
8857 | |
8858 /* | |
8859 * Cleanup after executing autocommands for a (hidden) buffer. | |
8860 * Restore the window as it was (if possible). | |
934 | 8861 * When FEAT_AUTOCMD is not defined another version is used, see below. |
7 | 8862 */ |
8863 void | |
8864 aucmd_restbuf(aco) | |
8865 aco_save_T *aco; /* structure holding saved values */ | |
8866 { | |
1906 | 8867 #ifdef FEAT_WINDOWS |
8868 int dummy; | |
8869 #endif | |
8870 | |
1944 | 8871 if (aco->use_aucmd_win) |
1906 | 8872 { |
8873 --curbuf->b_nwindows; | |
8874 #ifdef FEAT_WINDOWS | |
8875 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
1923 | 8876 * page. Do not trigger autocommands here. */ |
8877 block_autocmds(); | |
1906 | 8878 if (curwin != aucmd_win) |
8879 { | |
8880 tabpage_T *tp; | |
8881 win_T *wp; | |
8882 | |
8883 FOR_ALL_TAB_WINDOWS(tp, wp) | |
8884 { | |
8885 if (wp == aucmd_win) | |
8886 { | |
8887 if (tp != curtab) | |
8888 goto_tabpage_tp(tp); | |
8889 win_goto(aucmd_win); | |
8890 break; | |
8891 } | |
8892 } | |
8893 } | |
8894 | |
8895 /* Remove the window and frame from the tree of frames. */ | |
8896 (void)winframe_remove(curwin, &dummy, NULL); | |
8897 win_remove(curwin, NULL); | |
1944 | 8898 aucmd_win_used = FALSE; |
1906 | 8899 last_status(FALSE); /* may need to remove last status line */ |
8900 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
8901 (void)win_comp_pos(); /* recompute window positions */ | |
1923 | 8902 unblock_autocmds(); |
1906 | 8903 |
8904 if (win_valid(aco->save_curwin)) | |
8905 curwin = aco->save_curwin; | |
8906 else | |
8907 /* Hmm, original window disappeared. Just use the first one. */ | |
8908 curwin = firstwin; | |
8909 # ifdef FEAT_EVAL | |
8910 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
2001 | 8911 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
1906 | 8912 # endif |
8913 #else | |
8914 curwin = aco->save_curwin; | |
8915 #endif | |
8916 curbuf = curwin->w_buffer; | |
8917 | |
1944 | 8918 vim_free(globaldir); |
8919 globaldir = aco->globaldir; | |
8920 | |
1906 | 8921 /* the buffer contents may have changed */ |
8922 check_cursor(); | |
8923 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
8924 { | |
8925 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
8926 #ifdef FEAT_DIFF | |
8927 curwin->w_topfill = 0; | |
8928 #endif | |
8929 } | |
8930 #if defined(FEAT_GUI) | |
8931 /* Hide the scrollbars from the aucmd_win and update. */ | |
8932 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
8933 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
8934 gui_may_update_scrollbars(); | |
8935 #endif | |
8936 } | |
8937 else | |
7 | 8938 { |
8939 /* restore curwin */ | |
8940 #ifdef FEAT_WINDOWS | |
8941 if (win_valid(aco->save_curwin)) | |
8942 #endif | |
8943 { | |
1906 | 8944 /* Restore the buffer which was previously edited by curwin, if |
1944 | 8945 * it was changed, we are still the same window and the buffer is |
1906 | 8946 * valid. */ |
7 | 8947 if (curwin == aco->new_curwin |
1906 | 8948 && curbuf != aco->new_curbuf |
8949 && buf_valid(aco->new_curbuf) | |
8950 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
7 | 8951 { |
8952 --curbuf->b_nwindows; | |
1906 | 8953 curbuf = aco->new_curbuf; |
7 | 8954 curwin->w_buffer = curbuf; |
8955 ++curbuf->b_nwindows; | |
8956 } | |
8957 | |
8958 curwin = aco->save_curwin; | |
8959 curbuf = curwin->w_buffer; | |
8960 } | |
8961 } | |
8962 } | |
8963 | |
8964 static int autocmd_nested = FALSE; | |
8965 | |
8966 /* | |
8967 * Execute autocommands for "event" and file name "fname". | |
8968 * Return TRUE if some commands were executed. | |
8969 */ | |
8970 int | |
8971 apply_autocmds(event, fname, fname_io, force, buf) | |
661 | 8972 event_T event; |
7 | 8973 char_u *fname; /* NULL or empty means use actual file name */ |
8974 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
8975 int force; /* when TRUE, ignore autocmd_busy */ | |
8976 buf_T *buf; /* buffer for <abuf> */ | |
8977 { | |
8978 return apply_autocmds_group(event, fname, fname_io, force, | |
8979 AUGROUP_ALL, buf, NULL); | |
8980 } | |
8981 | |
8982 /* | |
8983 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
8984 * setting v:filearg. | |
8985 */ | |
8986 static int | |
8987 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
661 | 8988 event_T event; |
7 | 8989 char_u *fname; |
8990 char_u *fname_io; | |
8991 int force; | |
8992 buf_T *buf; | |
8993 exarg_T *eap; | |
8994 { | |
8995 return apply_autocmds_group(event, fname, fname_io, force, | |
8996 AUGROUP_ALL, buf, eap); | |
8997 } | |
8998 | |
8999 /* | |
9000 * Like apply_autocmds(), but handles the caller's retval. If the script | |
9001 * processing is being aborted or if retval is FAIL when inside a try | |
9002 * conditional, no autocommands are executed. If otherwise the autocommands | |
9003 * cause the script to be aborted, retval is set to FAIL. | |
9004 */ | |
9005 int | |
9006 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
661 | 9007 event_T event; |
7 | 9008 char_u *fname; /* NULL or empty means use actual file name */ |
9009 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
9010 int force; /* when TRUE, ignore autocmd_busy */ | |
9011 buf_T *buf; /* buffer for <abuf> */ | |
9012 int *retval; /* pointer to caller's retval */ | |
9013 { | |
9014 int did_cmd; | |
9015 | |
532 | 9016 #ifdef FEAT_EVAL |
7 | 9017 if (should_abort(*retval)) |
9018 return FALSE; | |
532 | 9019 #endif |
7 | 9020 |
9021 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
9022 AUGROUP_ALL, buf, NULL); | |
532 | 9023 if (did_cmd |
9024 #ifdef FEAT_EVAL | |
9025 && aborting() | |
9026 #endif | |
9027 ) | |
7 | 9028 *retval = FAIL; |
9029 return did_cmd; | |
9030 } | |
9031 | |
609 | 9032 /* |
9033 * Return TRUE when there is a CursorHold autocommand defined. | |
9034 */ | |
7 | 9035 int |
9036 has_cursorhold() | |
9037 { | |
661 | 9038 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
9039 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
7 | 9040 } |
609 | 9041 |
9042 /* | |
9043 * Return TRUE if the CursorHold event can be triggered. | |
9044 */ | |
9045 int | |
9046 trigger_cursorhold() | |
9047 { | |
661 | 9048 int state; |
9049 | |
978 | 9050 if (!did_cursorhold && has_cursorhold() && !Recording |
9051 #ifdef FEAT_INS_EXPAND | |
9052 && !ins_compl_active() | |
9053 #endif | |
9054 ) | |
661 | 9055 { |
9056 state = get_real_state(); | |
9057 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
9058 return TRUE; | |
9059 } | |
9060 return FALSE; | |
609 | 9061 } |
661 | 9062 |
9063 /* | |
9064 * Return TRUE when there is a CursorMoved autocommand defined. | |
9065 */ | |
9066 int | |
9067 has_cursormoved() | |
9068 { | |
9069 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
9070 } | |
9071 | |
9072 /* | |
9073 * Return TRUE when there is a CursorMovedI autocommand defined. | |
9074 */ | |
9075 int | |
9076 has_cursormovedI() | |
9077 { | |
9078 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
9079 } | |
7 | 9080 |
9081 static int | |
9082 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
661 | 9083 event_T event; |
7 | 9084 char_u *fname; /* NULL or empty means use actual file name */ |
9085 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
9086 use fname */ | |
9087 int force; /* when TRUE, ignore autocmd_busy */ | |
9088 int group; /* group ID, or AUGROUP_ALL */ | |
9089 buf_T *buf; /* buffer for <abuf> */ | |
9090 exarg_T *eap; /* command arguments */ | |
9091 { | |
9092 char_u *sfname = NULL; /* short file name */ | |
9093 char_u *tail; | |
9094 int save_changed; | |
9095 buf_T *old_curbuf; | |
9096 int retval = FALSE; | |
9097 char_u *save_sourcing_name; | |
9098 linenr_T save_sourcing_lnum; | |
9099 char_u *save_autocmd_fname; | |
1723 | 9100 int save_autocmd_fname_full; |
7 | 9101 int save_autocmd_bufnr; |
9102 char_u *save_autocmd_match; | |
9103 int save_autocmd_busy; | |
9104 int save_autocmd_nested; | |
9105 static int nesting = 0; | |
9106 AutoPatCmd patcmd; | |
9107 AutoPat *ap; | |
9108 #ifdef FEAT_EVAL | |
9109 scid_T save_current_SID; | |
9110 void *save_funccalp; | |
9111 char_u *save_cmdarg; | |
9112 long save_cmdbang; | |
9113 #endif | |
9114 static int filechangeshell_busy = FALSE; | |
170 | 9115 #ifdef FEAT_PROFILE |
9116 proftime_T wait_time; | |
9117 #endif | |
7 | 9118 |
9119 /* | |
9120 * Quickly return if there are no autocommands for this event or | |
9121 * autocommands are blocked. | |
9122 */ | |
1410 | 9123 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
40 | 9124 goto BYPASS_AU; |
7 | 9125 |
9126 /* | |
9127 * When autocommands are busy, new autocommands are only executed when | |
9128 * explicitly enabled with the "nested" flag. | |
9129 */ | |
9130 if (autocmd_busy && !(force || autocmd_nested)) | |
40 | 9131 goto BYPASS_AU; |
7 | 9132 |
9133 #ifdef FEAT_EVAL | |
9134 /* | |
1201 | 9135 * Quickly return when immediately aborting on error, or when an interrupt |
7 | 9136 * occurred or an exception was thrown but not caught. |
9137 */ | |
9138 if (aborting()) | |
40 | 9139 goto BYPASS_AU; |
7 | 9140 #endif |
9141 | |
9142 /* | |
9143 * FileChangedShell never nests, because it can create an endless loop. | |
9144 */ | |
765 | 9145 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
9146 || event == EVENT_FILECHANGEDSHELLPOST)) | |
40 | 9147 goto BYPASS_AU; |
7 | 9148 |
9149 /* | |
9150 * Ignore events in 'eventignore'. | |
9151 */ | |
9152 if (event_ignored(event)) | |
40 | 9153 goto BYPASS_AU; |
7 | 9154 |
9155 /* | |
9156 * Allow nesting of autocommands, but restrict the depth, because it's | |
9157 * possible to create an endless loop. | |
9158 */ | |
9159 if (nesting == 10) | |
9160 { | |
9161 EMSG(_("E218: autocommand nesting too deep")); | |
40 | 9162 goto BYPASS_AU; |
7 | 9163 } |
9164 | |
9165 /* | |
9166 * Check if these autocommands are disabled. Used when doing ":all" or | |
9167 * ":ball". | |
9168 */ | |
9169 if ( (autocmd_no_enter | |
9170 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
9171 || (autocmd_no_leave | |
9172 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
40 | 9173 goto BYPASS_AU; |
7 | 9174 |
9175 /* | |
9176 * Save the autocmd_* variables and info about the current buffer. | |
9177 */ | |
9178 save_autocmd_fname = autocmd_fname; | |
1723 | 9179 save_autocmd_fname_full = autocmd_fname_full; |
7 | 9180 save_autocmd_bufnr = autocmd_bufnr; |
9181 save_autocmd_match = autocmd_match; | |
9182 save_autocmd_busy = autocmd_busy; | |
9183 save_autocmd_nested = autocmd_nested; | |
9184 save_changed = curbuf->b_changed; | |
9185 old_curbuf = curbuf; | |
9186 | |
9187 /* | |
9188 * Set the file name to be used for <afile>. | |
1471 | 9189 * Make a copy to avoid that changing a buffer name or directory makes it |
9190 * invalid. | |
7 | 9191 */ |
9192 if (fname_io == NULL) | |
9193 { | |
9194 if (fname != NULL && *fname != NUL) | |
9195 autocmd_fname = fname; | |
9196 else if (buf != NULL) | |
1723 | 9197 autocmd_fname = buf->b_ffname; |
7 | 9198 else |
9199 autocmd_fname = NULL; | |
9200 } | |
9201 else | |
9202 autocmd_fname = fname_io; | |
1471 | 9203 if (autocmd_fname != NULL) |
1723 | 9204 autocmd_fname = vim_strsave(autocmd_fname); |
9205 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
7 | 9206 |
9207 /* | |
9208 * Set the buffer number to be used for <abuf>. | |
9209 */ | |
9210 if (buf == NULL) | |
9211 autocmd_bufnr = 0; | |
9212 else | |
9213 autocmd_bufnr = buf->b_fnum; | |
9214 | |
9215 /* | |
9216 * When the file name is NULL or empty, use the file name of buffer "buf". | |
9217 * Always use the full path of the file name to match with, in case | |
9218 * "allow_dirs" is set. | |
9219 */ | |
9220 if (fname == NULL || *fname == NUL) | |
9221 { | |
9222 if (buf == NULL) | |
9223 fname = NULL; | |
9224 else | |
9225 { | |
9226 #ifdef FEAT_SYN_HL | |
9227 if (event == EVENT_SYNTAX) | |
9228 fname = buf->b_p_syn; | |
9229 else | |
9230 #endif | |
9231 if (event == EVENT_FILETYPE) | |
9232 fname = buf->b_p_ft; | |
9233 else | |
9234 { | |
9235 if (buf->b_sfname != NULL) | |
9236 sfname = vim_strsave(buf->b_sfname); | |
9237 fname = buf->b_ffname; | |
9238 } | |
9239 } | |
9240 if (fname == NULL) | |
9241 fname = (char_u *)""; | |
9242 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
9243 } | |
9244 else | |
9245 { | |
9246 sfname = vim_strsave(fname); | |
1867 | 9247 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
9248 * QuickFixCmd* */ | |
161 | 9249 if (event == EVENT_FILETYPE |
9250 || event == EVENT_SYNTAX | |
1867 | 9251 || event == EVENT_FUNCUNDEFINED |
161 | 9252 || event == EVENT_REMOTEREPLY |
649 | 9253 || event == EVENT_SPELLFILEMISSING |
161 | 9254 || event == EVENT_QUICKFIXCMDPRE |
9255 || event == EVENT_QUICKFIXCMDPOST) | |
7 | 9256 fname = vim_strsave(fname); |
9257 else | |
9258 fname = FullName_save(fname, FALSE); | |
9259 } | |
9260 if (fname == NULL) /* out of memory */ | |
9261 { | |
9262 vim_free(sfname); | |
40 | 9263 retval = FALSE; |
9264 goto BYPASS_AU; | |
7 | 9265 } |
9266 | |
9267 #ifdef BACKSLASH_IN_FILENAME | |
9268 /* | |
9269 * Replace all backslashes with forward slashes. This makes the | |
9270 * autocommand patterns portable between Unix and MS-DOS. | |
9271 */ | |
9272 if (sfname != NULL) | |
9273 forward_slash(sfname); | |
9274 forward_slash(fname); | |
9275 #endif | |
9276 | |
9277 #ifdef VMS | |
9278 /* remove version for correct match */ | |
9279 if (sfname != NULL) | |
9280 vms_remove_version(sfname); | |
9281 vms_remove_version(fname); | |
9282 #endif | |
9283 | |
9284 /* | |
9285 * Set the name to be used for <amatch>. | |
9286 */ | |
9287 autocmd_match = fname; | |
9288 | |
9289 | |
9290 /* Don't redraw while doing auto commands. */ | |
9291 ++RedrawingDisabled; | |
9292 save_sourcing_name = sourcing_name; | |
9293 sourcing_name = NULL; /* don't free this one */ | |
9294 save_sourcing_lnum = sourcing_lnum; | |
9295 sourcing_lnum = 0; /* no line number here */ | |
9296 | |
9297 #ifdef FEAT_EVAL | |
9298 save_current_SID = current_SID; | |
9299 | |
170 | 9300 # ifdef FEAT_PROFILE |
788 | 9301 if (do_profiling == PROF_YES) |
170 | 9302 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
9303 # endif | |
9304 | |
7 | 9305 /* Don't use local function variables, if called from a function */ |
9306 save_funccalp = save_funccal(); | |
9307 #endif | |
9308 | |
9309 /* | |
9310 * When starting to execute autocommands, save the search patterns. | |
9311 */ | |
9312 if (!autocmd_busy) | |
9313 { | |
9314 save_search_patterns(); | |
9315 saveRedobuff(); | |
9316 did_filetype = keep_filetype; | |
9317 } | |
9318 | |
9319 /* | |
9320 * Note that we are applying autocmds. Some commands need to know. | |
9321 */ | |
9322 autocmd_busy = TRUE; | |
9323 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
9324 ++nesting; /* see matching decrement below */ | |
9325 | |
9326 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
9327 if (event == EVENT_FILETYPE) | |
9328 did_filetype = TRUE; | |
9329 | |
9330 tail = gettail(fname); | |
9331 | |
9332 /* Find first autocommand that matches */ | |
9333 patcmd.curpat = first_autopat[(int)event]; | |
9334 patcmd.nextcmd = NULL; | |
9335 patcmd.group = group; | |
9336 patcmd.fname = fname; | |
9337 patcmd.sfname = sfname; | |
9338 patcmd.tail = tail; | |
9339 patcmd.event = event; | |
40 | 9340 patcmd.arg_bufnr = autocmd_bufnr; |
9341 patcmd.next = NULL; | |
7 | 9342 auto_next_pat(&patcmd, FALSE); |
9343 | |
9344 /* found one, start executing the autocommands */ | |
9345 if (patcmd.curpat != NULL) | |
9346 { | |
40 | 9347 /* add to active_apc_list */ |
9348 patcmd.next = active_apc_list; | |
9349 active_apc_list = &patcmd; | |
9350 | |
7 | 9351 #ifdef FEAT_EVAL |
9352 /* set v:cmdarg (only when there is a matching pattern) */ | |
9353 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
9354 if (eap != NULL) | |
9355 { | |
9356 save_cmdarg = set_cmdarg(eap, NULL); | |
9357 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
9358 } | |
9359 else | |
9360 save_cmdarg = NULL; /* avoid gcc warning */ | |
9361 #endif | |
9362 retval = TRUE; | |
9363 /* mark the last pattern, to avoid an endless loop when more patterns | |
9364 * are added when executing autocommands */ | |
9365 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
9366 ap->last = FALSE; | |
9367 ap->last = TRUE; | |
9368 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
9369 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
9370 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
9371 #ifdef FEAT_EVAL | |
9372 if (eap != NULL) | |
9373 { | |
9374 (void)set_cmdarg(NULL, save_cmdarg); | |
9375 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
9376 } | |
9377 #endif | |
40 | 9378 /* delete from active_apc_list */ |
9379 if (active_apc_list == &patcmd) /* just in case */ | |
9380 active_apc_list = patcmd.next; | |
7 | 9381 } |
9382 | |
9383 --RedrawingDisabled; | |
9384 autocmd_busy = save_autocmd_busy; | |
9385 filechangeshell_busy = FALSE; | |
9386 autocmd_nested = save_autocmd_nested; | |
9387 vim_free(sourcing_name); | |
9388 sourcing_name = save_sourcing_name; | |
9389 sourcing_lnum = save_sourcing_lnum; | |
1471 | 9390 vim_free(autocmd_fname); |
7 | 9391 autocmd_fname = save_autocmd_fname; |
1723 | 9392 autocmd_fname_full = save_autocmd_fname_full; |
7 | 9393 autocmd_bufnr = save_autocmd_bufnr; |
9394 autocmd_match = save_autocmd_match; | |
9395 #ifdef FEAT_EVAL | |
9396 current_SID = save_current_SID; | |
9397 restore_funccal(save_funccalp); | |
170 | 9398 # ifdef FEAT_PROFILE |
788 | 9399 if (do_profiling == PROF_YES) |
170 | 9400 prof_child_exit(&wait_time); |
9401 # endif | |
7 | 9402 #endif |
9403 vim_free(fname); | |
9404 vim_free(sfname); | |
9405 --nesting; /* see matching increment above */ | |
9406 | |
9407 /* | |
9408 * When stopping to execute autocommands, restore the search patterns and | |
9409 * the redo buffer. | |
9410 */ | |
9411 if (!autocmd_busy) | |
9412 { | |
9413 restore_search_patterns(); | |
9414 restoreRedobuff(); | |
9415 did_filetype = FALSE; | |
9416 } | |
9417 | |
9418 /* | |
9419 * Some events don't set or reset the Changed flag. | |
9420 * Check if still in the same buffer! | |
9421 */ | |
9422 if (curbuf == old_curbuf | |
9423 && (event == EVENT_BUFREADPOST | |
9424 || event == EVENT_BUFWRITEPOST | |
9425 || event == EVENT_FILEAPPENDPOST | |
9426 || event == EVENT_VIMLEAVE | |
9427 || event == EVENT_VIMLEAVEPRE)) | |
9428 { | |
9429 #ifdef FEAT_TITLE | |
9430 if (curbuf->b_changed != save_changed) | |
9431 need_maketitle = TRUE; | |
9432 #endif | |
9433 curbuf->b_changed = save_changed; | |
9434 } | |
9435 | |
9436 au_cleanup(); /* may really delete removed patterns/commands now */ | |
40 | 9437 |
9438 BYPASS_AU: | |
9439 /* When wiping out a buffer make sure all its buffer-local autocommands | |
9440 * are deleted. */ | |
9441 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
9442 aubuflocal_remove(buf); | |
9443 | |
7 | 9444 return retval; |
9445 } | |
9446 | |
1410 | 9447 # ifdef FEAT_EVAL |
9448 static char_u *old_termresponse = NULL; | |
9449 # endif | |
9450 | |
9451 /* | |
9452 * Block triggering autocommands until unblock_autocmd() is called. | |
9453 * Can be used recursively, so long as it's symmetric. | |
9454 */ | |
9455 void | |
9456 block_autocmds() | |
9457 { | |
9458 # ifdef FEAT_EVAL | |
9459 /* Remember the value of v:termresponse. */ | |
9460 if (autocmd_blocked == 0) | |
9461 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
9462 # endif | |
9463 ++autocmd_blocked; | |
9464 } | |
9465 | |
9466 void | |
9467 unblock_autocmds() | |
9468 { | |
9469 --autocmd_blocked; | |
9470 | |
9471 # ifdef FEAT_EVAL | |
9472 /* When v:termresponse was set while autocommands were blocked, trigger | |
9473 * the autocommands now. Esp. useful when executing a shell command | |
9474 * during startup (vimdiff). */ | |
9475 if (autocmd_blocked == 0 | |
9476 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
9477 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
9478 # endif | |
9479 } | |
9480 | |
7 | 9481 /* |
9482 * Find next autocommand pattern that matches. | |
9483 */ | |
9484 static void | |
9485 auto_next_pat(apc, stop_at_last) | |
9486 AutoPatCmd *apc; | |
9487 int stop_at_last; /* stop when 'last' flag is set */ | |
9488 { | |
9489 AutoPat *ap; | |
9490 AutoCmd *cp; | |
9491 char_u *name; | |
9492 char *s; | |
9493 | |
9494 vim_free(sourcing_name); | |
9495 sourcing_name = NULL; | |
9496 | |
9497 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
9498 { | |
9499 apc->curpat = NULL; | |
9500 | |
1723 | 9501 /* Only use a pattern when it has not been removed, has commands and |
40 | 9502 * the group matches. For buffer-local autocommands only check the |
9503 * buffer number. */ | |
7 | 9504 if (ap->pat != NULL && ap->cmds != NULL |
9505 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
9506 { | |
40 | 9507 /* execution-condition */ |
9508 if (ap->buflocal_nr == 0 | |
153 | 9509 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
9510 apc->sfname, apc->tail, ap->allow_dirs)) | |
40 | 9511 : ap->buflocal_nr == apc->arg_bufnr) |
7 | 9512 { |
9513 name = event_nr2name(apc->event); | |
9514 s = _("%s Auto commands for \"%s\""); | |
9515 sourcing_name = alloc((unsigned)(STRLEN(s) | |
9516 + STRLEN(name) + ap->patlen + 1)); | |
9517 if (sourcing_name != NULL) | |
9518 { | |
9519 sprintf((char *)sourcing_name, s, | |
9520 (char *)name, (char *)ap->pat); | |
9521 if (p_verbose >= 8) | |
292 | 9522 { |
9523 verbose_enter(); | |
273 | 9524 smsg((char_u *)_("Executing %s"), sourcing_name); |
292 | 9525 verbose_leave(); |
9526 } | |
7 | 9527 } |
9528 | |
9529 apc->curpat = ap; | |
9530 apc->nextcmd = ap->cmds; | |
9531 /* mark last command */ | |
9532 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
9533 cp->last = FALSE; | |
9534 cp->last = TRUE; | |
9535 } | |
9536 line_breakcheck(); | |
9537 if (apc->curpat != NULL) /* found a match */ | |
9538 break; | |
9539 } | |
9540 if (stop_at_last && ap->last) | |
9541 break; | |
9542 } | |
9543 } | |
9544 | |
9545 /* | |
9546 * Get next autocommand command. | |
9547 * Called by do_cmdline() to get the next line for ":if". | |
9548 * Returns allocated string, or NULL for end of autocommands. | |
9549 */ | |
9550 static char_u * | |
9551 getnextac(c, cookie, indent) | |
1880 | 9552 int c UNUSED; |
7 | 9553 void *cookie; |
1880 | 9554 int indent UNUSED; |
7 | 9555 { |
9556 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
9557 char_u *retval; | |
9558 AutoCmd *ac; | |
9559 | |
9560 /* Can be called again after returning the last line. */ | |
9561 if (acp->curpat == NULL) | |
9562 return NULL; | |
9563 | |
9564 /* repeat until we find an autocommand to execute */ | |
9565 for (;;) | |
9566 { | |
9567 /* skip removed commands */ | |
9568 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
9569 if (acp->nextcmd->last) | |
9570 acp->nextcmd = NULL; | |
9571 else | |
9572 acp->nextcmd = acp->nextcmd->next; | |
9573 | |
9574 if (acp->nextcmd != NULL) | |
9575 break; | |
9576 | |
9577 /* at end of commands, find next pattern that matches */ | |
9578 if (acp->curpat->last) | |
9579 acp->curpat = NULL; | |
9580 else | |
9581 acp->curpat = acp->curpat->next; | |
9582 if (acp->curpat != NULL) | |
9583 auto_next_pat(acp, TRUE); | |
9584 if (acp->curpat == NULL) | |
9585 return NULL; | |
9586 } | |
9587 | |
9588 ac = acp->nextcmd; | |
9589 | |
9590 if (p_verbose >= 9) | |
9591 { | |
292 | 9592 verbose_enter_scroll(); |
273 | 9593 smsg((char_u *)_("autocommand %s"), ac->cmd); |
7 | 9594 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
292 | 9595 verbose_leave_scroll(); |
7 | 9596 } |
9597 retval = vim_strsave(ac->cmd); | |
9598 autocmd_nested = ac->nested; | |
9599 #ifdef FEAT_EVAL | |
9600 current_SID = ac->scriptID; | |
9601 #endif | |
9602 if (ac->last) | |
9603 acp->nextcmd = NULL; | |
9604 else | |
9605 acp->nextcmd = ac->next; | |
9606 return retval; | |
9607 } | |
9608 | |
9609 /* | |
9610 * Return TRUE if there is a matching autocommand for "fname". | |
40 | 9611 * To account for buffer-local autocommands, function needs to know |
9612 * in which buffer the file will be opened. | |
7 | 9613 */ |
9614 int | |
40 | 9615 has_autocmd(event, sfname, buf) |
661 | 9616 event_T event; |
7 | 9617 char_u *sfname; |
40 | 9618 buf_T *buf; |
7 | 9619 { |
9620 AutoPat *ap; | |
9621 char_u *fname; | |
9622 char_u *tail = gettail(sfname); | |
9623 int retval = FALSE; | |
9624 | |
9625 fname = FullName_save(sfname, FALSE); | |
9626 if (fname == NULL) | |
9627 return FALSE; | |
9628 | |
9629 #ifdef BACKSLASH_IN_FILENAME | |
9630 /* | |
9631 * Replace all backslashes with forward slashes. This makes the | |
9632 * autocommand patterns portable between Unix and MS-DOS. | |
9633 */ | |
9634 sfname = vim_strsave(sfname); | |
9635 if (sfname != NULL) | |
9636 forward_slash(sfname); | |
9637 forward_slash(fname); | |
9638 #endif | |
9639 | |
9640 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
9641 if (ap->pat != NULL && ap->cmds != NULL | |
856 | 9642 && (ap->buflocal_nr == 0 |
153 | 9643 ? match_file_pat(NULL, ap->reg_prog, |
9644 fname, sfname, tail, ap->allow_dirs) | |
856 | 9645 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
40 | 9646 )) |
7 | 9647 { |
9648 retval = TRUE; | |
9649 break; | |
9650 } | |
9651 | |
9652 vim_free(fname); | |
9653 #ifdef BACKSLASH_IN_FILENAME | |
9654 vim_free(sfname); | |
9655 #endif | |
9656 | |
9657 return retval; | |
9658 } | |
9659 | |
9660 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
9661 /* | |
9662 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
9663 * names. | |
9664 */ | |
9665 char_u * | |
9666 get_augroup_name(xp, idx) | |
1880 | 9667 expand_T *xp UNUSED; |
7 | 9668 int idx; |
9669 { | |
9670 if (idx == augroups.ga_len) /* add "END" add the end */ | |
9671 return (char_u *)"END"; | |
9672 if (idx >= augroups.ga_len) /* end of list */ | |
9673 return NULL; | |
9674 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
9675 return (char_u *)""; | |
9676 return AUGROUP_NAME(idx); /* return a name */ | |
9677 } | |
9678 | |
9679 static int include_groups = FALSE; | |
9680 | |
9681 char_u * | |
9682 set_context_in_autocmd(xp, arg, doautocmd) | |
9683 expand_T *xp; | |
9684 char_u *arg; | |
1733 | 9685 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
7 | 9686 { |
9687 char_u *p; | |
9688 int group; | |
9689 | |
9690 /* check for a group name, skip it if present */ | |
9691 include_groups = FALSE; | |
9692 p = arg; | |
9693 group = au_get_grouparg(&arg); | |
9694 if (group == AUGROUP_ERROR) | |
9695 return NULL; | |
9696 /* If there only is a group name that's what we expand. */ | |
9697 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
9698 { | |
9699 arg = p; | |
9700 group = AUGROUP_ALL; | |
9701 } | |
9702 | |
9703 /* skip over event name */ | |
9704 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
9705 if (*p == ',') | |
9706 arg = p + 1; | |
9707 if (*p == NUL) | |
9708 { | |
9709 if (group == AUGROUP_ALL) | |
9710 include_groups = TRUE; | |
9711 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
9712 xp->xp_pattern = arg; | |
9713 return NULL; | |
9714 } | |
9715 | |
9716 /* skip over pattern */ | |
9717 arg = skipwhite(p); | |
9718 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
9719 arg++; | |
9720 if (*arg) | |
9721 return arg; /* expand (next) command */ | |
9722 | |
9723 if (doautocmd) | |
9724 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
9725 else | |
9726 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
9727 return NULL; | |
9728 } | |
9729 | |
9730 /* | |
9731 * Function given to ExpandGeneric() to obtain the list of event names. | |
9732 */ | |
9733 char_u * | |
9734 get_event_name(xp, idx) | |
1880 | 9735 expand_T *xp UNUSED; |
7 | 9736 int idx; |
9737 { | |
9738 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
9739 { | |
9740 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
9741 return (char_u *)""; /* skip deleted entries */ | |
9742 return AUGROUP_NAME(idx); /* return a name */ | |
9743 } | |
9744 return (char_u *)event_names[idx - augroups.ga_len].name; | |
9745 } | |
9746 | |
9747 #endif /* FEAT_CMDL_COMPL */ | |
9748 | |
9749 /* | |
615 | 9750 * Return TRUE if autocmd is supported. |
9751 */ | |
9752 int | |
9753 autocmd_supported(name) | |
9754 char_u *name; | |
9755 { | |
9756 char_u *p; | |
9757 | |
9758 return (event_name2nr(name, &p) != NUM_EVENTS); | |
9759 } | |
9760 | |
9761 /* | |
612 | 9762 * Return TRUE if an autocommand is defined for a group, event and |
9763 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
9764 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
9765 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
9766 * Used for: | |
9767 * exists("#Group") or | |
9768 * exists("#Group#Event") or | |
9769 * exists("#Group#Event#pat") or | |
9770 * exists("#Event") or | |
9771 * exists("#Event#pat") | |
7 | 9772 */ |
9773 int | |
612 | 9774 au_exists(arg) |
9775 char_u *arg; | |
7 | 9776 { |
612 | 9777 char_u *arg_save; |
9778 char_u *pattern = NULL; | |
7 | 9779 char_u *event_name; |
9780 char_u *p; | |
661 | 9781 event_T event; |
7 | 9782 AutoPat *ap; |
40 | 9783 buf_T *buflocal_buf = NULL; |
612 | 9784 int group; |
9785 int retval = FALSE; | |
9786 | |
615 | 9787 /* Make a copy so that we can change the '#' chars to a NUL. */ |
612 | 9788 arg_save = vim_strsave(arg); |
9789 if (arg_save == NULL) | |
9790 return FALSE; | |
615 | 9791 p = vim_strchr(arg_save, '#'); |
612 | 9792 if (p != NULL) |
9793 *p++ = NUL; | |
9794 | |
9795 /* First, look for an autocmd group name */ | |
9796 group = au_find_group(arg_save); | |
9797 if (group == AUGROUP_ERROR) | |
9798 { | |
9799 /* Didn't match a group name, assume the first argument is an event. */ | |
9800 group = AUGROUP_ALL; | |
9801 event_name = arg_save; | |
9802 } | |
9803 else | |
9804 { | |
9805 if (p == NULL) | |
9806 { | |
9807 /* "Group": group name is present and it's recognized */ | |
9808 retval = TRUE; | |
9809 goto theend; | |
9810 } | |
9811 | |
9812 /* Must be "Group#Event" or "Group#Event#pat". */ | |
9813 event_name = p; | |
9814 p = vim_strchr(event_name, '#'); | |
9815 if (p != NULL) | |
9816 *p++ = NUL; /* "Group#Event#pat" */ | |
9817 } | |
9818 | |
9819 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
7 | 9820 |
9821 /* find the index (enum) for the event name */ | |
9822 event = event_name2nr(event_name, &p); | |
9823 | |
9824 /* return FALSE if the event name is not recognized */ | |
612 | 9825 if (event == NUM_EVENTS) |
9826 goto theend; | |
7 | 9827 |
9828 /* Find the first autocommand for this event. | |
9829 * If there isn't any, return FALSE; | |
9830 * If there is one and no pattern given, return TRUE; */ | |
9831 ap = first_autopat[(int)event]; | |
9832 if (ap == NULL) | |
612 | 9833 goto theend; |
7 | 9834 |
40 | 9835 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
9836 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
1962 | 9837 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
40 | 9838 buflocal_buf = curbuf; |
9839 | |
7 | 9840 /* Check if there is an autocommand with the given pattern. */ |
9841 for ( ; ap != NULL; ap = ap->next) | |
40 | 9842 /* only use a pattern when it has not been removed and has commands. */ |
9843 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
7 | 9844 if (ap->pat != NULL && ap->cmds != NULL |
612 | 9845 && (group == AUGROUP_ALL || ap->group == group) |
1962 | 9846 && (pattern == NULL |
9847 || (buflocal_buf == NULL | |
9848 ? fnamecmp(ap->pat, pattern) == 0 | |
9849 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
612 | 9850 { |
9851 retval = TRUE; | |
9852 break; | |
9853 } | |
9854 | |
9855 theend: | |
9856 vim_free(arg_save); | |
9857 return retval; | |
7 | 9858 } |
40 | 9859 |
934 | 9860 #else /* FEAT_AUTOCMD */ |
9861 | |
9862 /* | |
9863 * Prepare for executing commands for (hidden) buffer "buf". | |
9864 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
9865 * "curbuf" and "curwin" to match "buf". | |
9866 */ | |
9867 void | |
9868 aucmd_prepbuf(aco, buf) | |
9869 aco_save_T *aco; /* structure to save values in */ | |
9870 buf_T *buf; /* new curbuf */ | |
9871 { | |
1906 | 9872 aco->save_curbuf = curbuf; |
9873 --curbuf->b_nwindows; | |
934 | 9874 curbuf = buf; |
9875 curwin->w_buffer = buf; | |
1906 | 9876 ++curbuf->b_nwindows; |
934 | 9877 } |
9878 | |
9879 /* | |
9880 * Restore after executing commands for a (hidden) buffer. | |
9881 * This is the non-autocommand version. | |
9882 */ | |
9883 void | |
9884 aucmd_restbuf(aco) | |
9885 aco_save_T *aco; /* structure holding saved values */ | |
9886 { | |
1906 | 9887 --curbuf->b_nwindows; |
9888 curbuf = aco->save_curbuf; | |
934 | 9889 curwin->w_buffer = curbuf; |
1906 | 9890 ++curbuf->b_nwindows; |
934 | 9891 } |
9892 | |
7 | 9893 #endif /* FEAT_AUTOCMD */ |
9894 | |
934 | 9895 |
7 | 9896 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
9897 /* | |
153 | 9898 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
9899 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
9900 * vim_regcomp() often. | |
7 | 9901 * Used for autocommands and 'wildignore'. |
9902 * Returns TRUE if there is a match, FALSE otherwise. | |
9903 */ | |
9904 int | |
153 | 9905 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
7 | 9906 char_u *pattern; /* pattern to match with */ |
153 | 9907 regprog_T *prog; /* pre-compiled regprog or NULL */ |
7 | 9908 char_u *fname; /* full path of file name */ |
9909 char_u *sfname; /* short file name or NULL */ | |
9910 char_u *tail; /* tail of path */ | |
9911 int allow_dirs; /* allow matching with dir */ | |
9912 { | |
9913 regmatch_T regmatch; | |
9914 int result = FALSE; | |
9915 #ifdef FEAT_OSFILETYPE | |
9916 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
9917 char_u *type_start; | |
9918 char_u c; | |
9919 int match = FALSE; | |
9920 #endif | |
9921 | |
9922 #ifdef CASE_INSENSITIVE_FILENAME | |
9923 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
9924 #else | |
9925 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
9926 #endif | |
9927 #ifdef FEAT_OSFILETYPE | |
9928 if (*pattern == '<') | |
9929 { | |
9930 /* There is a filetype condition specified with this pattern. | |
9931 * Check the filetype matches first. If not, don't bother with the | |
9932 * pattern (set regprog to NULL). | |
9933 * Always use magic for the regexp. | |
9934 */ | |
9935 | |
9936 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
9937 { | |
9938 if ((c == ';' || c == '>') && match == FALSE) | |
9939 { | |
9940 *pattern = NUL; /* Terminate the string */ | |
9941 match = mch_check_filetype(fname, type_start); | |
9942 *pattern = c; /* Restore the terminator */ | |
9943 type_start = pattern + 1; | |
9944 } | |
9945 if (c == '>') | |
9946 break; | |
9947 } | |
9948 | |
9949 /* (c should never be NUL, but check anyway) */ | |
9950 if (match == FALSE || c == NUL) | |
9951 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
9952 else if (*pattern == NUL) | |
9953 { | |
9954 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
9955 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
9956 } | |
9957 else | |
9958 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
9959 } | |
9960 else | |
9961 #endif | |
153 | 9962 { |
9963 if (prog != NULL) | |
9964 regmatch.regprog = prog; | |
9965 else | |
9966 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
9967 } | |
7 | 9968 |
9969 /* | |
9970 * Try for a match with the pattern with: | |
9971 * 1. the full file name, when the pattern has a '/'. | |
9972 * 2. the short file name, when the pattern has a '/'. | |
9973 * 3. the tail of the file name, when the pattern has no '/'. | |
9974 */ | |
9975 if ( | |
9976 #ifdef FEAT_OSFILETYPE | |
9977 /* If the check is for a filetype only and we don't care | |
9978 * about the path then skip all the regexp stuff. | |
9979 */ | |
9980 no_pattern || | |
9981 #endif | |
9982 (regmatch.regprog != NULL | |
9983 && ((allow_dirs | |
9984 && (vim_regexec(®match, fname, (colnr_T)0) | |
9985 || (sfname != NULL | |
9986 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
9987 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
9988 result = TRUE; | |
9989 | |
153 | 9990 if (prog == NULL) |
9991 vim_free(regmatch.regprog); | |
7 | 9992 return result; |
9993 } | |
9994 #endif | |
9995 | |
9996 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
9997 /* | |
9998 * Return TRUE if a file matches with a pattern in "list". | |
9999 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
10000 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
10001 */ | |
10002 int | |
10003 match_file_list(list, sfname, ffname) | |
10004 char_u *list; | |
10005 char_u *sfname; | |
10006 char_u *ffname; | |
10007 { | |
10008 char_u buf[100]; | |
10009 char_u *tail; | |
10010 char_u *regpat; | |
10011 char allow_dirs; | |
10012 int match; | |
10013 char_u *p; | |
10014 | |
10015 tail = gettail(sfname); | |
10016 | |
10017 /* try all patterns in 'wildignore' */ | |
10018 p = list; | |
10019 while (*p) | |
10020 { | |
10021 copy_option_part(&p, buf, 100, ","); | |
10022 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
10023 if (regpat == NULL) | |
10024 break; | |
153 | 10025 match = match_file_pat(regpat, NULL, ffname, sfname, |
10026 tail, (int)allow_dirs); | |
7 | 10027 vim_free(regpat); |
10028 if (match) | |
10029 return TRUE; | |
10030 } | |
10031 return FALSE; | |
10032 } | |
10033 #endif | |
10034 | |
10035 /* | |
10036 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
10037 * a regular expression, and return the result in allocated memory. If there | |
10038 * is a directory path separator to be matched, then TRUE is put in | |
10039 * allow_dirs, otherwise FALSE is put there -- webb. | |
10040 * Handle backslashes before special characters, like "\*" and "\ ". | |
10041 * | |
10042 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
10043 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
10044 * | |
10045 * Returns NULL when out of memory. | |
10046 */ | |
10047 char_u * | |
10048 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
10049 char_u *pat; | |
10050 char_u *pat_end; /* first char after pattern or NULL */ | |
10051 char *allow_dirs; /* Result passed back out in here */ | |
1877 | 10052 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
7 | 10053 { |
10054 int size; | |
10055 char_u *endp; | |
10056 char_u *reg_pat; | |
10057 char_u *p; | |
10058 int i; | |
10059 int nested = 0; | |
10060 int add_dollar = TRUE; | |
10061 #ifdef FEAT_OSFILETYPE | |
10062 int check_length = 0; | |
10063 #endif | |
10064 | |
10065 if (allow_dirs != NULL) | |
10066 *allow_dirs = FALSE; | |
10067 if (pat_end == NULL) | |
10068 pat_end = pat + STRLEN(pat); | |
10069 | |
10070 #ifdef FEAT_OSFILETYPE | |
10071 /* Find out how much of the string is the filetype check */ | |
10072 if (*pat == '<') | |
10073 { | |
10074 /* Count chars until the next '>' */ | |
10075 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
10076 ; | |
10077 if (p < pat_end) | |
10078 { | |
10079 /* Pattern is of the form <.*>.* */ | |
10080 check_length = p - pat + 1; | |
10081 if (p + 1 >= pat_end) | |
10082 { | |
10083 /* The 'pattern' is a filetype check ONLY */ | |
10084 reg_pat = (char_u *)alloc(check_length + 1); | |
10085 if (reg_pat != NULL) | |
10086 { | |
10087 mch_memmove(reg_pat, pat, (size_t)check_length); | |
10088 reg_pat[check_length] = NUL; | |
10089 } | |
10090 return reg_pat; | |
10091 } | |
10092 } | |
10093 /* else: there was no closing '>' - assume it was a normal pattern */ | |
10094 | |
10095 } | |
10096 pat += check_length; | |
10097 size = 2 + check_length; | |
10098 #else | |
10099 size = 2; /* '^' at start, '$' at end */ | |
10100 #endif | |
10101 | |
10102 for (p = pat; p < pat_end; p++) | |
10103 { | |
10104 switch (*p) | |
10105 { | |
10106 case '*': | |
10107 case '.': | |
10108 case ',': | |
10109 case '{': | |
10110 case '}': | |
10111 case '~': | |
10112 size += 2; /* extra backslash */ | |
10113 break; | |
10114 #ifdef BACKSLASH_IN_FILENAME | |
10115 case '\\': | |
10116 case '/': | |
10117 size += 4; /* could become "[\/]" */ | |
10118 break; | |
10119 #endif | |
10120 default: | |
10121 size++; | |
10122 # ifdef FEAT_MBYTE | |
474 | 10123 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 10124 { |
10125 ++p; | |
10126 ++size; | |
10127 } | |
10128 # endif | |
10129 break; | |
10130 } | |
10131 } | |
10132 reg_pat = alloc(size + 1); | |
10133 if (reg_pat == NULL) | |
10134 return NULL; | |
10135 | |
10136 #ifdef FEAT_OSFILETYPE | |
10137 /* Copy the type check in to the start. */ | |
10138 if (check_length) | |
10139 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
10140 i = check_length; | |
10141 #else | |
10142 i = 0; | |
10143 #endif | |
10144 | |
10145 if (pat[0] == '*') | |
10146 while (pat[0] == '*' && pat < pat_end - 1) | |
10147 pat++; | |
10148 else | |
10149 reg_pat[i++] = '^'; | |
10150 endp = pat_end - 1; | |
10151 if (*endp == '*') | |
10152 { | |
10153 while (endp - pat > 0 && *endp == '*') | |
10154 endp--; | |
10155 add_dollar = FALSE; | |
10156 } | |
10157 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
10158 { | |
10159 switch (*p) | |
10160 { | |
10161 case '*': | |
10162 reg_pat[i++] = '.'; | |
10163 reg_pat[i++] = '*'; | |
444 | 10164 while (p[1] == '*') /* "**" matches like "*" */ |
10165 ++p; | |
7 | 10166 break; |
10167 case '.': | |
10168 #ifdef RISCOS | |
10169 if (allow_dirs != NULL) | |
10170 *allow_dirs = TRUE; | |
10171 /* FALLTHROUGH */ | |
10172 #endif | |
10173 case '~': | |
10174 reg_pat[i++] = '\\'; | |
10175 reg_pat[i++] = *p; | |
10176 break; | |
10177 case '?': | |
10178 #ifdef RISCOS | |
10179 case '#': | |
10180 #endif | |
10181 reg_pat[i++] = '.'; | |
10182 break; | |
10183 case '\\': | |
10184 if (p[1] == NUL) | |
10185 break; | |
10186 #ifdef BACKSLASH_IN_FILENAME | |
10187 if (!no_bslash) | |
10188 { | |
10189 /* translate: | |
10190 * "\x" to "\\x" e.g., "dir\file" | |
10191 * "\*" to "\\.*" e.g., "dir\*.c" | |
10192 * "\?" to "\\." e.g., "dir\??.c" | |
10193 * "\+" to "\+" e.g., "fileX\+.c" | |
10194 */ | |
10195 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
10196 && p[1] != '+') | |
10197 { | |
10198 reg_pat[i++] = '['; | |
10199 reg_pat[i++] = '\\'; | |
10200 reg_pat[i++] = '/'; | |
10201 reg_pat[i++] = ']'; | |
10202 if (allow_dirs != NULL) | |
10203 *allow_dirs = TRUE; | |
10204 break; | |
10205 } | |
10206 } | |
10207 #endif | |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10208 /* Undo escaping from ExpandEscape(): |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10209 * foo\?bar -> foo?bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10210 * foo\%bar -> foo%bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10211 * foo\,bar -> foo,bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10212 * foo\ bar -> foo bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10213 * Don't unescape \, * and others that are also special in a |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10214 * regexp. */ |
7 | 10215 if (*++p == '?' |
10216 #ifdef BACKSLASH_IN_FILENAME | |
10217 && no_bslash | |
10218 #endif | |
10219 ) | |
10220 reg_pat[i++] = '?'; | |
10221 else | |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10222 if (*p == ',' || *p == '%' || *p == '#' || *p == ' ') |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10223 reg_pat[i++] = *p; |
7 | 10224 else |
10225 { | |
10226 if (allow_dirs != NULL && vim_ispathsep(*p) | |
10227 #ifdef BACKSLASH_IN_FILENAME | |
10228 && (!no_bslash || *p != '\\') | |
10229 #endif | |
10230 ) | |
10231 *allow_dirs = TRUE; | |
10232 reg_pat[i++] = '\\'; | |
10233 reg_pat[i++] = *p; | |
10234 } | |
10235 break; | |
10236 #ifdef BACKSLASH_IN_FILENAME | |
10237 case '/': | |
10238 reg_pat[i++] = '['; | |
10239 reg_pat[i++] = '\\'; | |
10240 reg_pat[i++] = '/'; | |
10241 reg_pat[i++] = ']'; | |
10242 if (allow_dirs != NULL) | |
10243 *allow_dirs = TRUE; | |
10244 break; | |
10245 #endif | |
10246 case '{': | |
10247 reg_pat[i++] = '\\'; | |
10248 reg_pat[i++] = '('; | |
10249 nested++; | |
10250 break; | |
10251 case '}': | |
10252 reg_pat[i++] = '\\'; | |
10253 reg_pat[i++] = ')'; | |
10254 --nested; | |
10255 break; | |
10256 case ',': | |
10257 if (nested) | |
10258 { | |
10259 reg_pat[i++] = '\\'; | |
10260 reg_pat[i++] = '|'; | |
10261 } | |
10262 else | |
10263 reg_pat[i++] = ','; | |
10264 break; | |
10265 default: | |
10266 # ifdef FEAT_MBYTE | |
474 | 10267 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 10268 reg_pat[i++] = *p++; |
10269 else | |
10270 # endif | |
10271 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
10272 *allow_dirs = TRUE; | |
10273 reg_pat[i++] = *p; | |
10274 break; | |
10275 } | |
10276 } | |
10277 if (add_dollar) | |
10278 reg_pat[i++] = '$'; | |
10279 reg_pat[i] = NUL; | |
10280 if (nested != 0) | |
10281 { | |
10282 if (nested < 0) | |
10283 EMSG(_("E219: Missing {.")); | |
10284 else | |
10285 EMSG(_("E220: Missing }.")); | |
10286 vim_free(reg_pat); | |
10287 reg_pat = NULL; | |
10288 } | |
10289 return reg_pat; | |
10290 } | |
2664 | 10291 |
10292 #if defined(EINTR) || defined(PROTO) | |
10293 /* | |
10294 * Version of read() that retries when interrupted by EINTR (possibly | |
10295 * by a SIGWINCH). | |
10296 */ | |
10297 long | |
10298 read_eintr(fd, buf, bufsize) | |
10299 int fd; | |
10300 void *buf; | |
10301 size_t bufsize; | |
10302 { | |
10303 long ret; | |
10304 | |
10305 for (;;) | |
10306 { | |
10307 ret = vim_read(fd, buf, bufsize); | |
10308 if (ret >= 0 || errno != EINTR) | |
10309 break; | |
10310 } | |
10311 return ret; | |
10312 } | |
10313 | |
10314 /* | |
10315 * Version of write() that retries when interrupted by EINTR (possibly | |
10316 * by a SIGWINCH). | |
10317 */ | |
10318 long | |
10319 write_eintr(fd, buf, bufsize) | |
10320 int fd; | |
10321 void *buf; | |
10322 size_t bufsize; | |
10323 { | |
10324 long ret = 0; | |
10325 long wlen; | |
10326 | |
10327 /* Repeat the write() so long it didn't fail, other than being interrupted | |
10328 * by a signal. */ | |
10329 while (ret < (long)bufsize) | |
10330 { | |
2666 | 10331 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
2664 | 10332 if (wlen < 0) |
10333 { | |
10334 if (errno != EINTR) | |
10335 break; | |
10336 } | |
10337 else | |
10338 ret += wlen; | |
10339 } | |
10340 return ret; | |
10341 } | |
10342 #endif |