Mercurial > vim
annotate src/fileio.c @ 2147:2bd29808d1f6 v7.2.429
updated for version 7.2.429
Problem: A file that exists but access is denied may result in a "new file"
message. E.g. when its directory is unreadable.
Solution: Specifically check for ENOENT to decide a file doesn't exist.
(partly by James Vega)
| author | Bram Moolenaar <bram@zimbu.org> |
|---|---|
| date | Fri, 14 May 2010 18:56:38 +0200 |
| parents | 8aa3cd045aef |
| children | f60a0c9cbe6c |
| rev | line source |
|---|---|
| 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 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64) | |
| 714 | 15 # include "vimio.h" /* for lseek(), must be before vim.h */ |
| 7 | 16 #endif |
| 17 | |
| 18 #if defined __EMX__ | |
| 714 | 19 # include "vimio.h" /* for mktemp(), CJW 1997-12-03 */ |
| 7 | 20 #endif |
| 21 | |
| 22 #include "vim.h" | |
| 23 | |
| 2014 | 24 #if defined(__TANDEM) || defined(__MINT__) |
| 7 | 25 # include <limits.h> /* for SSIZE_MAX */ |
| 26 #endif | |
| 27 | |
| 28 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 29 # include <utime.h> /* for struct utimbuf */ | |
| 30 #endif | |
| 31 | |
| 32 #define BUFSIZE 8192 /* size of normal write buffer */ | |
| 33 #define SMBUFSIZE 256 /* size of emergency write buffer */ | |
| 34 | |
| 35 #ifdef FEAT_CRYPT | |
| 36 # define CRYPT_MAGIC "VimCrypt~01!" /* "01" is the version nr */ | |
| 37 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */ | |
| 38 #endif | |
| 39 | |
| 40 /* Is there any system that doesn't have access()? */ | |
| 574 | 41 #define USE_MCH_ACCESS |
| 7 | 42 |
| 1313 | 43 #if defined(sun) && defined(S_ISCHR) |
| 44 # define OPEN_CHR_FILES | |
| 45 static int is_dev_fd_file(char_u *fname); | |
| 46 #endif | |
| 7 | 47 #ifdef FEAT_MBYTE |
| 48 static char_u *next_fenc __ARGS((char_u **pp)); | |
| 49 # ifdef FEAT_EVAL | |
| 50 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
| 51 # endif | |
| 52 #endif | |
| 53 #ifdef FEAT_VIMINFO | |
| 54 static void check_marks_read __ARGS((void)); | |
| 55 #endif | |
| 56 #ifdef FEAT_CRYPT | |
| 57 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, long *filesizep, int newfile)); | |
| 58 #endif | |
| 59 #ifdef UNIX | |
| 60 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
| 61 #endif | |
| 633 | 62 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
| 7 | 63 static int msg_add_fileformat __ARGS((int eol_type)); |
| 64 static void msg_add_eol __ARGS((void)); | |
| 65 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
| 66 static int time_differs __ARGS((long t1, long t2)); | |
| 67 #ifdef FEAT_AUTOCMD | |
| 661 | 68 static int apply_autocmds_exarg __ARGS((event_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, exarg_T *eap)); |
| 676 | 69 static int au_find_group __ARGS((char_u *name)); |
| 70 | |
| 71 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
| 1834 | 72 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
| 676 | 73 # define AUGROUP_ALL -3 /* all autocmd groups */ |
| 7 | 74 #endif |
| 75 | |
| 76 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
| 77 # define HAS_BW_FLAGS | |
| 78 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
| 79 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
| 80 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
| 81 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
| 82 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
| 83 # ifdef WIN3264 | |
| 84 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
| 85 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
| 86 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
| 87 # endif | |
| 88 # ifdef MACOS_X | |
| 89 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
| 90 # endif | |
| 91 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
| 92 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
| 93 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
| 94 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
| 95 # define FIO_ALL -1 /* allow all formats */ | |
| 96 #endif | |
| 97 | |
| 98 /* When converting, a read() or write() may leave some bytes to be converted | |
| 99 * for the next call. The value is guessed... */ | |
| 100 #define CONV_RESTLEN 30 | |
| 101 | |
| 102 /* We have to guess how much a sequence of bytes may expand when converting | |
| 103 * with iconv() to be able to allocate a buffer. */ | |
| 104 #define ICONV_MULT 8 | |
| 105 | |
| 106 /* | |
| 107 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
| 108 */ | |
| 109 struct bw_info | |
| 110 { | |
| 111 int bw_fd; /* file descriptor */ | |
| 112 char_u *bw_buf; /* buffer with data to be written */ | |
| 1411 | 113 int bw_len; /* length of data */ |
| 7 | 114 #ifdef HAS_BW_FLAGS |
| 115 int bw_flags; /* FIO_ flags */ | |
| 116 #endif | |
| 117 #ifdef FEAT_MBYTE | |
| 118 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
| 119 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
| 120 int bw_first; /* first write call */ | |
| 121 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
| 122 int bw_conv_buflen; /* size of bw_conv_buf */ | |
| 123 int bw_conv_error; /* set for conversion error */ | |
| 1947 | 124 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
| 125 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
| 7 | 126 # ifdef USE_ICONV |
| 127 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
| 128 # endif | |
| 129 #endif | |
| 130 }; | |
| 131 | |
| 132 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
| 133 | |
| 134 #ifdef FEAT_MBYTE | |
| 595 | 135 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
| 7 | 136 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
| 1948 | 137 static int need_conversion __ARGS((char_u *fenc)); |
| 7 | 138 static int get_fio_flags __ARGS((char_u *ptr)); |
| 139 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
| 140 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
| 141 # ifdef WIN3264 | |
| 142 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
| 143 # endif | |
| 144 # ifdef MACOS_X | |
| 145 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
| 146 # endif | |
| 147 #endif | |
| 148 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
| 2006 | 149 #ifdef TEMPDIRNAMES |
| 1997 | 150 static void vim_settempdir __ARGS((char_u *tempdir)); |
| 2006 | 151 #endif |
| 1834 | 152 #ifdef FEAT_AUTOCMD |
| 153 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
| 154 #endif | |
| 595 | 155 |
| 7 | 156 void |
| 157 filemess(buf, name, s, attr) | |
| 158 buf_T *buf; | |
| 159 char_u *name; | |
| 160 char_u *s; | |
| 161 int attr; | |
| 162 { | |
| 163 int msg_scroll_save; | |
| 164 | |
| 165 if (msg_silent != 0) | |
| 166 return; | |
| 167 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
| 168 /* If it's extremely long, truncate it. */ | |
| 169 if (STRLEN(IObuff) > IOSIZE - 80) | |
| 170 IObuff[IOSIZE - 80] = NUL; | |
| 171 STRCAT(IObuff, s); | |
| 172 /* | |
| 173 * For the first message may have to start a new line. | |
| 174 * For further ones overwrite the previous one, reset msg_scroll before | |
| 175 * calling filemess(). | |
| 176 */ | |
| 177 msg_scroll_save = msg_scroll; | |
| 178 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
| 179 msg_scroll = FALSE; | |
| 180 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
| 181 check_for_delay(FALSE); | |
| 182 msg_start(); | |
| 183 msg_scroll = msg_scroll_save; | |
| 184 msg_scrolled_ign = TRUE; | |
| 185 /* may truncate the message to avoid a hit-return prompt */ | |
| 186 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
| 187 msg_clr_eos(); | |
| 188 out_flush(); | |
| 189 msg_scrolled_ign = FALSE; | |
| 190 } | |
| 191 | |
| 192 /* | |
| 193 * Read lines from file "fname" into the buffer after line "from". | |
| 194 * | |
| 195 * 1. We allocate blocks with lalloc, as big as possible. | |
| 196 * 2. Each block is filled with characters from the file with a single read(). | |
| 197 * 3. The lines are inserted in the buffer with ml_append(). | |
| 198 * | |
| 199 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
| 200 * | |
| 201 * "lines_to_skip" is the number of lines that must be skipped | |
| 202 * "lines_to_read" is the number of lines that are appended | |
| 203 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
| 204 * | |
| 205 * flags: | |
| 206 * READ_NEW starting to edit a new buffer | |
| 207 * READ_FILTER reading filter output | |
| 208 * READ_STDIN read from stdin instead of a file | |
| 209 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
| 210 * stdin) | |
| 211 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
| 212 * | |
| 213 * return FAIL for failure, OK otherwise | |
| 214 */ | |
| 215 int | |
| 216 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
| 217 char_u *fname; | |
| 218 char_u *sfname; | |
| 219 linenr_T from; | |
| 220 linenr_T lines_to_skip; | |
| 221 linenr_T lines_to_read; | |
| 222 exarg_T *eap; /* can be NULL! */ | |
| 223 int flags; | |
| 224 { | |
| 225 int fd = 0; | |
| 226 int newfile = (flags & READ_NEW); | |
| 227 int check_readonly; | |
| 228 int filtering = (flags & READ_FILTER); | |
| 229 int read_stdin = (flags & READ_STDIN); | |
| 230 int read_buffer = (flags & READ_BUFFER); | |
| 1486 | 231 int set_options = newfile || read_buffer |
| 232 || (eap != NULL && eap->read_edit); | |
| 7 | 233 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
| 234 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
| 235 char_u c; | |
| 236 linenr_T lnum = from; | |
| 237 char_u *ptr = NULL; /* pointer into read buffer */ | |
| 238 char_u *buffer = NULL; /* read buffer */ | |
| 239 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
| 240 char_u *line_start = NULL; /* init to shut up gcc */ | |
| 241 int wasempty; /* buffer was empty before reading */ | |
| 242 colnr_T len; | |
| 243 long size = 0; | |
| 244 char_u *p; | |
| 245 long filesize = 0; | |
| 246 int skip_read = FALSE; | |
| 247 #ifdef FEAT_CRYPT | |
| 248 char_u *cryptkey = NULL; | |
| 249 #endif | |
| 250 int split = 0; /* number of split lines */ | |
| 251 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
| 252 linenr_T linecnt; | |
| 253 int error = FALSE; /* errors encountered */ | |
| 254 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
| 255 long linerest = 0; /* remaining chars in line */ | |
| 256 #ifdef UNIX | |
| 257 int perm = 0; | |
| 258 int swap_mode = -1; /* protection bits for swap file */ | |
| 259 #else | |
| 260 int perm; | |
| 261 #endif | |
| 262 int fileformat = 0; /* end-of-line format */ | |
| 263 int keep_fileformat = FALSE; | |
| 264 struct stat st; | |
| 265 int file_readonly; | |
| 266 linenr_T skip_count = 0; | |
| 267 linenr_T read_count = 0; | |
| 268 int msg_save = msg_scroll; | |
| 269 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
| 270 * last read was missing the eol */ | |
| 271 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
| 272 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
| 273 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
| 274 int file_rewind = FALSE; | |
| 275 #ifdef FEAT_MBYTE | |
| 276 int can_retry; | |
| 595 | 277 linenr_T conv_error = 0; /* line nr with conversion error */ |
| 278 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
| 7 | 279 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
| 280 in destination encoding */ | |
| 595 | 281 int bad_char_behavior = BAD_REPLACE; |
| 282 /* BAD_KEEP, BAD_DROP or character to | |
| 283 * replace with */ | |
| 7 | 284 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
| 285 int fio_flags = 0; | |
| 286 char_u *fenc; /* fileencoding to use */ | |
| 287 int fenc_alloced; /* fenc_next is in allocated memory */ | |
| 288 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
| 289 int advance_fenc = FALSE; | |
| 290 long real_size = 0; | |
| 291 # ifdef USE_ICONV | |
| 292 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
| 293 # ifdef FEAT_EVAL | |
| 294 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
| 295 'charconvert' next */ | |
| 296 # endif | |
| 297 # endif | |
| 298 int converted = FALSE; /* TRUE if conversion done */ | |
| 299 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
| 300 wasn't possible */ | |
| 301 char_u conv_rest[CONV_RESTLEN]; | |
| 302 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
| 303 #endif | |
| 304 | |
| 1834 | 305 #ifdef FEAT_AUTOCMD |
| 306 /* Remember the initial values of curbuf, curbuf->b_ffname and | |
| 307 * curbuf->b_fname to detect whether they are altered as a result of | |
| 308 * executing nasty autocommands. Also check if "fname" and "sfname" | |
| 309 * point to one of these values. */ | |
| 310 buf_T *old_curbuf = curbuf; | |
| 311 char_u *old_b_ffname = curbuf->b_ffname; | |
| 312 char_u *old_b_fname = curbuf->b_fname; | |
| 313 int using_b_ffname = (fname == curbuf->b_ffname) | |
| 314 || (sfname == curbuf->b_ffname); | |
| 315 int using_b_fname = (fname == curbuf->b_fname) | |
| 316 || (sfname == curbuf->b_fname); | |
| 317 #endif | |
| 7 | 318 write_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 319 | |
| 320 /* | |
| 321 * If there is no file name yet, use the one for the read file. | |
| 322 * BF_NOTEDITED is set to reflect this. | |
| 323 * Don't do this for a read from a filter. | |
| 324 * Only do this when 'cpoptions' contains the 'f' flag. | |
| 325 */ | |
| 326 if (curbuf->b_ffname == NULL | |
| 327 && !filtering | |
| 328 && fname != NULL | |
| 329 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
| 330 && !(flags & READ_DUMMY)) | |
| 331 { | |
| 633 | 332 if (set_rw_fname(fname, sfname) == FAIL) |
| 333 return FAIL; | |
| 7 | 334 } |
| 335 | |
| 167 | 336 /* After reading a file the cursor line changes but we don't want to |
| 337 * display the line. */ | |
| 338 ex_no_reprint = TRUE; | |
| 339 | |
| 968 | 340 /* don't display the file info for another buffer now */ |
| 341 need_fileinfo = FALSE; | |
| 342 | |
| 7 | 343 /* |
| 344 * For Unix: Use the short file name whenever possible. | |
| 345 * Avoids problems with networks and when directory names are changed. | |
| 346 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 347 * another directory, which we don't detect. | |
| 348 */ | |
| 349 if (sfname == NULL) | |
| 350 sfname = fname; | |
| 351 #if defined(UNIX) || defined(__EMX__) | |
| 352 fname = sfname; | |
| 353 #endif | |
| 354 | |
| 355 #ifdef FEAT_AUTOCMD | |
| 356 /* | |
| 357 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
| 358 * executing the associated commands instead. | |
| 359 */ | |
| 360 if (!filtering && !read_stdin && !read_buffer) | |
| 361 { | |
| 362 pos_T pos; | |
| 363 | |
| 364 pos = curbuf->b_op_start; | |
| 365 | |
| 366 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
| 367 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 368 curbuf->b_op_start.col = 0; | |
| 369 | |
| 370 if (newfile) | |
| 371 { | |
| 372 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
| 373 FALSE, curbuf, eap)) | |
| 374 #ifdef FEAT_EVAL | |
| 375 return aborting() ? FAIL : OK; | |
| 376 #else | |
| 377 return OK; | |
| 378 #endif | |
| 379 } | |
| 380 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
| 381 FALSE, NULL, eap)) | |
| 382 #ifdef FEAT_EVAL | |
| 383 return aborting() ? FAIL : OK; | |
| 384 #else | |
| 385 return OK; | |
| 386 #endif | |
| 387 | |
| 388 curbuf->b_op_start = pos; | |
| 389 } | |
| 390 #endif | |
| 391 | |
| 392 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
| 393 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 394 else | |
| 395 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 396 | |
| 397 /* | |
| 398 * If the name ends in a path separator, we can't open it. Check here, | |
| 399 * because reading the file may actually work, but then creating the swap | |
| 400 * file may destroy it! Reported on MS-DOS and Win 95. | |
| 401 * If the name is too long we might crash further on, quit here. | |
| 402 */ | |
| 23 | 403 if (fname != NULL && *fname != NUL) |
| 404 { | |
| 39 | 405 p = fname + STRLEN(fname); |
| 406 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
| 23 | 407 { |
| 408 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
| 409 msg_end(); | |
| 410 msg_scroll = msg_save; | |
| 411 return FAIL; | |
| 412 } | |
| 7 | 413 } |
| 414 | |
| 415 #ifdef UNIX | |
| 416 /* | |
| 417 * On Unix it is possible to read a directory, so we have to | |
| 418 * check for it before the mch_open(). | |
| 419 */ | |
| 420 if (!read_stdin && !read_buffer) | |
| 421 { | |
| 422 perm = mch_getperm(fname); | |
| 423 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
| 424 # ifdef S_ISFIFO | |
| 425 && !S_ISFIFO(perm) /* ... or fifo */ | |
| 426 # endif | |
| 427 # ifdef S_ISSOCK | |
| 428 && !S_ISSOCK(perm) /* ... or socket */ | |
| 429 # endif | |
| 1313 | 430 # ifdef OPEN_CHR_FILES |
| 431 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
| 432 /* ... or a character special file named /dev/fd/<n> */ | |
| 433 # endif | |
| 7 | 434 ) |
| 435 { | |
| 436 if (S_ISDIR(perm)) | |
| 437 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
| 438 else | |
| 439 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
| 440 msg_end(); | |
| 441 msg_scroll = msg_save; | |
| 442 return FAIL; | |
| 443 } | |
| 1006 | 444 |
| 445 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 446 /* | |
| 447 * MS-Windows allows opening a device, but we will probably get stuck | |
| 448 * trying to read it. | |
| 449 */ | |
| 450 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
| 451 { | |
| 1303 | 452 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
| 1006 | 453 msg_end(); |
| 454 msg_scroll = msg_save; | |
| 455 return FAIL; | |
| 456 } | |
| 457 # endif | |
| 1004 | 458 } |
| 459 #endif | |
| 460 | |
| 7 | 461 /* set default 'fileformat' */ |
| 819 | 462 if (set_options) |
| 7 | 463 { |
| 464 if (eap != NULL && eap->force_ff != 0) | |
| 465 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
| 466 else if (*p_ffs != NUL) | |
| 467 set_fileformat(default_fileformat(), OPT_LOCAL); | |
| 468 } | |
| 469 | |
| 470 /* set or reset 'binary' */ | |
| 471 if (eap != NULL && eap->force_bin != 0) | |
| 472 { | |
| 473 int oldval = curbuf->b_p_bin; | |
| 474 | |
| 475 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
| 476 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
| 477 } | |
| 478 | |
| 479 /* | |
| 480 * When opening a new file we take the readonly flag from the file. | |
| 481 * Default is r/w, can be set to r/o below. | |
| 482 * Don't reset it when in readonly mode | |
| 483 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 484 */ | |
| 485 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 486 if (check_readonly && !readonlymode) |
| 7 | 487 curbuf->b_p_ro = FALSE; |
| 488 | |
| 489 if (newfile && !read_stdin && !read_buffer) | |
| 490 { | |
| 491 /* Remember time of file. | |
| 492 * For RISCOS, also remember the filetype. | |
| 493 */ | |
| 494 if (mch_stat((char *)fname, &st) >= 0) | |
| 495 { | |
| 496 buf_store_time(curbuf, &st, fname); | |
| 497 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 498 | |
| 499 #if defined(RISCOS) && defined(FEAT_OSFILETYPE) | |
| 500 /* Read the filetype into the buffer local filetype option. */ | |
| 501 mch_read_filetype(fname); | |
| 502 #endif | |
| 503 #ifdef UNIX | |
| 504 /* | |
| 505 * Use the protection bits of the original file for the swap file. | |
| 506 * This makes it possible for others to read the name of the | |
| 507 * edited file from the swapfile, but only if they can read the | |
| 508 * edited file. | |
| 509 * Remove the "write" and "execute" bits for group and others | |
| 510 * (they must not write the swapfile). | |
| 511 * Add the "read" and "write" bits for the user, otherwise we may | |
| 512 * not be able to write to the file ourselves. | |
| 513 * Setting the bits is done below, after creating the swap file. | |
| 514 */ | |
| 515 swap_mode = (st.st_mode & 0644) | 0600; | |
| 516 #endif | |
| 517 #ifdef FEAT_CW_EDITOR | |
| 518 /* Get the FSSpec on MacOS | |
| 519 * TODO: Update it properly when the buffer name changes | |
| 520 */ | |
| 521 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 522 #endif | |
| 523 #ifdef VMS | |
| 524 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 525 curbuf->b_fab_rat = st.st_fab_rat; |
| 526 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 527 #endif |
| 528 } | |
| 529 else | |
| 530 { | |
| 531 curbuf->b_mtime = 0; | |
| 532 curbuf->b_mtime_read = 0; | |
| 533 curbuf->b_orig_size = 0; | |
| 534 curbuf->b_orig_mode = 0; | |
| 535 } | |
| 536 | |
| 537 /* Reset the "new file" flag. It will be set again below when the | |
| 538 * file doesn't exist. */ | |
| 539 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 540 } | |
| 541 | |
| 542 /* | |
| 543 * for UNIX: check readonly with perm and mch_access() | |
| 544 * for RISCOS: same as Unix, otherwise file gets re-datestamped! | |
| 545 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
| 546 */ | |
| 547 file_readonly = FALSE; | |
| 548 if (read_stdin) | |
| 549 { | |
| 550 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 551 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
| 552 setmode(0, O_BINARY); | |
| 553 #endif | |
| 554 } | |
| 555 else if (!read_buffer) | |
| 556 { | |
| 557 #ifdef USE_MCH_ACCESS | |
| 558 if ( | |
| 559 # ifdef UNIX | |
| 560 !(perm & 0222) || | |
| 561 # endif | |
| 562 mch_access((char *)fname, W_OK)) | |
| 563 file_readonly = TRUE; | |
| 564 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 565 #else | |
| 566 if (!newfile | |
| 567 || readonlymode | |
| 568 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 569 { | |
| 570 file_readonly = TRUE; | |
| 571 /* try to open ro */ | |
| 572 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 573 } | |
| 574 #endif | |
| 575 } | |
| 576 | |
| 577 if (fd < 0) /* cannot open at all */ | |
| 578 { | |
| 579 #ifndef UNIX | |
| 580 int isdir_f; | |
| 581 #endif | |
| 582 msg_scroll = msg_save; | |
| 583 #ifndef UNIX | |
| 584 /* | |
| 585 * On MSDOS and Amiga we can't open a directory, check here. | |
| 586 */ | |
| 587 isdir_f = (mch_isdir(fname)); | |
| 588 perm = mch_getperm(fname); /* check if the file exists */ | |
| 589 if (isdir_f) | |
| 590 { | |
| 591 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 592 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 593 } | |
| 594 else | |
| 595 #endif | |
| 596 if (newfile) | |
| 597 { | |
|
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598 if (perm < 0 |
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599 #ifdef ENOENT |
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600 && errno == ENOENT |
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601 #endif |
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602 ) |
| 7 | 603 { |
| 604 /* | |
| 605 * Set the 'new-file' flag, so that when the file has | |
| 606 * been created by someone else, a ":w" will complain. | |
| 607 */ | |
| 608 curbuf->b_flags |= BF_NEW; | |
| 609 | |
| 610 /* Create a swap file now, so that other Vims are warned | |
| 611 * that we are editing this file. Don't do this for a | |
| 612 * "nofile" or "nowrite" buffer type. */ | |
| 613 #ifdef FEAT_QUICKFIX | |
| 614 if (!bt_dontwrite(curbuf)) | |
| 615 #endif | |
| 1834 | 616 { |
| 7 | 617 check_need_swap(newfile); |
| 1834 | 618 #ifdef FEAT_AUTOCMD |
| 619 /* SwapExists autocommand may mess things up */ | |
| 620 if (curbuf != old_curbuf | |
| 621 || (using_b_ffname | |
| 622 && (old_b_ffname != curbuf->b_ffname)) | |
| 623 || (using_b_fname | |
| 624 && (old_b_fname != curbuf->b_fname))) | |
| 625 { | |
| 626 EMSG(_(e_auchangedbuf)); | |
| 627 return FAIL; | |
| 628 } | |
| 629 #endif | |
| 630 } | |
| 592 | 631 if (dir_of_file_exists(fname)) |
| 632 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 633 else | |
| 634 filemess(curbuf, sfname, | |
| 635 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 636 #ifdef FEAT_VIMINFO |
| 637 /* Even though this is a new file, it might have been | |
| 638 * edited before and deleted. Get the old marks. */ | |
| 639 check_marks_read(); | |
| 640 #endif | |
| 641 #ifdef FEAT_MBYTE | |
| 642 if (eap != NULL && eap->force_enc != 0) | |
| 643 { | |
| 644 /* set forced 'fileencoding' */ | |
| 645 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 646 if (fenc != NULL) | |
| 647 set_string_option_direct((char_u *)"fenc", -1, | |
| 694 | 648 fenc, OPT_FREE|OPT_LOCAL, 0); |
| 7 | 649 vim_free(fenc); |
| 650 } | |
| 651 #endif | |
| 652 #ifdef FEAT_AUTOCMD | |
| 653 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 654 FALSE, curbuf, eap); | |
| 655 #endif | |
| 656 /* remember the current fileformat */ | |
| 657 save_file_ff(curbuf); | |
| 658 | |
| 659 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 660 if (aborting()) /* autocmds may abort script processing */ | |
| 661 return FAIL; | |
| 662 #endif | |
| 663 return OK; /* a new file is not an error */ | |
| 664 } | |
| 665 else | |
| 666 { | |
| 550 | 667 filemess(curbuf, sfname, (char_u *)( |
| 668 # ifdef EFBIG | |
| 669 (errno == EFBIG) ? _("[File too big]") : | |
| 670 # endif | |
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671 # ifdef EOVERFLOW |
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672 (errno == EOVERFLOW) ? _("[File too big]") : |
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673 # endif |
| 550 | 674 _("[Permission Denied]")), 0); |
| 7 | 675 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 676 } | |
| 677 } | |
| 678 | |
| 679 return FAIL; | |
| 680 } | |
| 681 | |
| 682 /* | |
| 683 * Only set the 'ro' flag for readonly files the first time they are | |
| 684 * loaded. Help files always get readonly mode | |
| 685 */ | |
| 686 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 687 curbuf->b_p_ro = TRUE; | |
| 688 | |
| 819 | 689 if (set_options) |
| 7 | 690 { |
| 1486 | 691 /* Don't change 'eol' if reading from buffer as it will already be |
| 692 * correctly set when reading stdin. */ | |
| 693 if (!read_buffer) | |
| 694 { | |
| 695 curbuf->b_p_eol = TRUE; | |
| 696 curbuf->b_start_eol = TRUE; | |
| 697 } | |
| 7 | 698 #ifdef FEAT_MBYTE |
| 699 curbuf->b_p_bomb = FALSE; | |
| 1352 | 700 curbuf->b_start_bomb = FALSE; |
| 7 | 701 #endif |
| 702 } | |
| 703 | |
| 704 /* Create a swap file now, so that other Vims are warned that we are | |
| 705 * editing this file. | |
| 706 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 707 #ifdef FEAT_QUICKFIX | |
| 708 if (!bt_dontwrite(curbuf)) | |
| 709 #endif | |
| 710 { | |
| 711 check_need_swap(newfile); | |
| 1834 | 712 #ifdef FEAT_AUTOCMD |
| 713 if (!read_stdin && (curbuf != old_curbuf | |
| 714 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 715 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 716 { | |
| 717 EMSG(_(e_auchangedbuf)); | |
| 718 if (!read_buffer) | |
| 719 close(fd); | |
| 720 return FAIL; | |
| 721 } | |
| 722 #endif | |
| 7 | 723 #ifdef UNIX |
| 724 /* Set swap file protection bits after creating it. */ | |
| 1918 | 725 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 726 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 727 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 728 #endif | |
| 729 } | |
| 730 | |
| 578 | 731 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 732 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 733 if (swap_exists_action == SEA_QUIT) | |
| 734 { | |
| 735 if (!read_buffer && !read_stdin) | |
| 736 close(fd); | |
| 737 return FAIL; | |
| 738 } | |
| 739 #endif | |
| 740 | |
| 741 ++no_wait_return; /* don't wait for return yet */ | |
| 742 | |
| 743 /* | |
| 744 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 745 */ | |
| 746 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 747 curbuf->b_op_start.col = 0; | |
| 748 | |
| 749 #ifdef FEAT_AUTOCMD | |
| 750 if (!read_buffer) | |
| 751 { | |
| 752 int m = msg_scroll; | |
| 753 int n = msg_scrolled; | |
| 754 | |
| 755 /* | |
| 756 * The file must be closed again, the autocommands may want to change | |
| 757 * the file before reading it. | |
| 758 */ | |
| 759 if (!read_stdin) | |
| 760 close(fd); /* ignore errors */ | |
| 761 | |
| 762 /* | |
| 763 * The output from the autocommands should not overwrite anything and | |
| 764 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 765 * output was done. | |
| 766 */ | |
| 767 msg_scroll = TRUE; | |
| 768 if (filtering) | |
| 769 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 770 FALSE, curbuf, eap); | |
| 771 else if (read_stdin) | |
| 772 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 773 FALSE, curbuf, eap); | |
| 774 else if (newfile) | |
| 775 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 776 FALSE, curbuf, eap); | |
| 777 else | |
| 778 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 779 FALSE, NULL, eap); | |
| 780 if (msg_scrolled == n) | |
| 781 msg_scroll = m; | |
| 782 | |
| 783 #ifdef FEAT_EVAL | |
| 784 if (aborting()) /* autocmds may abort script processing */ | |
| 785 { | |
| 786 --no_wait_return; | |
| 787 msg_scroll = msg_save; | |
| 788 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 789 return FAIL; | |
| 790 } | |
| 791 #endif | |
| 792 /* | |
| 793 * Don't allow the autocommands to change the current buffer. | |
| 794 * Try to re-open the file. | |
| 1834 | 795 * |
| 796 * Don't allow the autocommands to change the buffer name either | |
| 797 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 798 */ |
| 799 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 800 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 801 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 802 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 803 { | |
| 804 --no_wait_return; | |
| 805 msg_scroll = msg_save; | |
| 806 if (fd < 0) | |
| 807 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 808 else | |
| 809 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 810 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 811 return FAIL; | |
| 812 } | |
| 813 } | |
| 814 #endif /* FEAT_AUTOCMD */ | |
| 815 | |
| 816 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 817 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 818 | |
| 819 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 820 { | |
| 821 /* | |
| 822 * Show the user that we are busy reading the input. Sometimes this | |
| 823 * may take a while. When reading from stdin another program may | |
| 824 * still be running, don't move the cursor to the last line, unless | |
| 825 * always using the GUI. | |
| 826 */ | |
| 827 if (read_stdin) | |
| 828 { | |
| 829 #ifndef ALWAYS_USE_GUI | |
| 830 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 831 #endif | |
| 832 #ifdef FEAT_GUI | |
| 833 /* Also write a message in the GUI window, if there is one. */ | |
| 834 if (gui.in_use && !gui.dying && !gui.starting) | |
| 835 { | |
| 836 p = (char_u *)_("Reading from stdin..."); | |
| 837 gui_write(p, (int)STRLEN(p)); | |
| 838 } | |
| 839 #endif | |
| 840 } | |
| 841 else if (!read_buffer) | |
| 842 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 843 } | |
| 844 | |
| 845 msg_scroll = FALSE; /* overwrite the file message */ | |
| 846 | |
| 847 /* | |
| 848 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 849 * fileformat, and after the autocommands, which may change them. | |
| 850 */ | |
| 851 linecnt = curbuf->b_ml.ml_line_count; | |
| 852 | |
| 853 #ifdef FEAT_MBYTE | |
| 595 | 854 /* "++bad=" argument. */ |
| 855 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 856 { |
| 595 | 857 bad_char_behavior = eap->bad_char; |
| 819 | 858 if (set_options) |
| 612 | 859 curbuf->b_bad_char = eap->bad_char; |
| 860 } | |
| 861 else | |
| 862 curbuf->b_bad_char = 0; | |
| 595 | 863 |
| 7 | 864 /* |
| 595 | 865 * Decide which 'encoding' to use or use first. |
| 7 | 866 */ |
| 867 if (eap != NULL && eap->force_enc != 0) | |
| 868 { | |
| 869 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 870 fenc_alloced = TRUE; | |
| 595 | 871 keep_dest_enc = TRUE; |
| 7 | 872 } |
| 873 else if (curbuf->b_p_bin) | |
| 874 { | |
| 875 fenc = (char_u *)""; /* binary: don't convert */ | |
| 876 fenc_alloced = FALSE; | |
| 877 } | |
| 878 else if (curbuf->b_help) | |
| 879 { | |
| 880 char_u firstline[80]; | |
| 301 | 881 int fc; |
| 7 | 882 |
| 883 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 884 * fails it must be latin1. | |
| 885 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 886 * this when needed to avoid [converted] remarks all the time. | |
| 887 * It is needed when the first line contains non-ASCII characters. | |
| 888 * That is only in *.??x files. */ | |
| 889 fenc = (char_u *)"latin1"; | |
| 890 c = enc_utf8; | |
| 301 | 891 if (!c && !read_stdin) |
| 892 { | |
| 893 fc = fname[STRLEN(fname) - 1]; | |
| 894 if (TOLOWER_ASC(fc) == 'x') | |
| 895 { | |
| 896 /* Read the first line (and a bit more). Immediately rewind to | |
| 897 * the start of the file. If the read() fails "len" is -1. */ | |
| 898 len = vim_read(fd, firstline, 80); | |
| 899 lseek(fd, (off_t)0L, SEEK_SET); | |
| 900 for (p = firstline; p < firstline + len; ++p) | |
| 901 if (*p >= 0x80) | |
| 902 { | |
| 903 c = TRUE; | |
| 904 break; | |
| 905 } | |
| 906 } | |
| 7 | 907 } |
| 908 | |
| 909 if (c) | |
| 910 { | |
| 911 fenc_next = fenc; | |
| 912 fenc = (char_u *)"utf-8"; | |
| 913 | |
| 914 /* When the file is utf-8 but a character doesn't fit in | |
| 915 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 916 * doesn't make sense. */ | |
| 844 | 917 if (!enc_utf8) |
| 918 keep_dest_enc = TRUE; | |
| 7 | 919 } |
| 920 fenc_alloced = FALSE; | |
| 921 } | |
| 922 else if (*p_fencs == NUL) | |
| 923 { | |
| 924 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 925 fenc_alloced = FALSE; | |
| 926 } | |
| 927 else | |
| 928 { | |
| 929 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 930 fenc = next_fenc(&fenc_next); | |
| 931 fenc_alloced = TRUE; | |
| 932 } | |
| 933 #endif | |
| 934 | |
| 935 /* | |
| 936 * Jump back here to retry reading the file in different ways. | |
| 937 * Reasons to retry: | |
| 938 * - encoding conversion failed: try another one from "fenc_next" | |
| 939 * - BOM detected and fenc was set, need to setup conversion | |
| 940 * - "fileformat" check failed: try another | |
| 941 * | |
| 942 * Variables set for special retry actions: | |
| 943 * "file_rewind" Rewind the file to start reading it again. | |
| 944 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 945 * "skip_read" Re-use already read bytes (BOM detected). | |
| 946 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 947 * "keep_fileformat" Don't reset "fileformat". | |
| 948 * | |
| 949 * Other status indicators: | |
| 950 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 951 * Output file has to be deleted afterwards. | |
| 952 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 953 */ | |
| 954 retry: | |
| 955 | |
| 956 if (file_rewind) | |
| 957 { | |
| 958 if (read_buffer) | |
| 959 { | |
| 960 read_buf_lnum = 1; | |
| 961 read_buf_col = 0; | |
| 962 } | |
| 963 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 964 { | |
| 965 /* Can't rewind the file, give up. */ | |
| 966 error = TRUE; | |
| 967 goto failed; | |
| 968 } | |
| 969 /* Delete the previously read lines. */ | |
| 970 while (lnum > from) | |
| 971 ml_delete(lnum--, FALSE); | |
| 972 file_rewind = FALSE; | |
| 973 #ifdef FEAT_MBYTE | |
| 819 | 974 if (set_options) |
| 1352 | 975 { |
| 7 | 976 curbuf->b_p_bomb = FALSE; |
| 1352 | 977 curbuf->b_start_bomb = FALSE; |
| 978 } | |
| 595 | 979 conv_error = 0; |
| 7 | 980 #endif |
| 981 } | |
| 982 | |
| 983 /* | |
| 984 * When retrying with another "fenc" and the first time "fileformat" | |
| 985 * will be reset. | |
| 986 */ | |
| 987 if (keep_fileformat) | |
| 988 keep_fileformat = FALSE; | |
| 989 else | |
| 990 { | |
| 991 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 992 { |
| 7 | 993 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 994 try_unix = try_dos = try_mac = FALSE; |
| 995 } | |
| 7 | 996 else if (curbuf->b_p_bin) |
| 997 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 998 else if (*p_ffs == NUL) | |
| 999 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 1000 else | |
| 1001 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 1002 } | |
| 1003 | |
| 1004 #ifdef FEAT_MBYTE | |
| 1005 # ifdef USE_ICONV | |
| 1006 if (iconv_fd != (iconv_t)-1) | |
| 1007 { | |
| 1008 /* aborted conversion with iconv(), close the descriptor */ | |
| 1009 iconv_close(iconv_fd); | |
| 1010 iconv_fd = (iconv_t)-1; | |
| 1011 } | |
| 1012 # endif | |
| 1013 | |
| 1014 if (advance_fenc) | |
| 1015 { | |
| 1016 /* | |
| 1017 * Try the next entry in 'fileencodings'. | |
| 1018 */ | |
| 1019 advance_fenc = FALSE; | |
| 1020 | |
| 1021 if (eap != NULL && eap->force_enc != 0) | |
| 1022 { | |
| 1023 /* Conversion given with "++cc=" wasn't possible, read | |
| 1024 * without conversion. */ | |
| 1025 notconverted = TRUE; | |
| 595 | 1026 conv_error = 0; |
| 7 | 1027 if (fenc_alloced) |
| 1028 vim_free(fenc); | |
| 1029 fenc = (char_u *)""; | |
| 1030 fenc_alloced = FALSE; | |
| 1031 } | |
| 1032 else | |
| 1033 { | |
| 1034 if (fenc_alloced) | |
| 1035 vim_free(fenc); | |
| 1036 if (fenc_next != NULL) | |
| 1037 { | |
| 1038 fenc = next_fenc(&fenc_next); | |
| 1039 fenc_alloced = (fenc_next != NULL); | |
| 1040 } | |
| 1041 else | |
| 1042 { | |
| 1043 fenc = (char_u *)""; | |
| 1044 fenc_alloced = FALSE; | |
| 1045 } | |
| 1046 } | |
| 1047 if (tmpname != NULL) | |
| 1048 { | |
| 1049 mch_remove(tmpname); /* delete converted file */ | |
| 1050 vim_free(tmpname); | |
| 1051 tmpname = NULL; | |
| 1052 } | |
| 1053 } | |
| 1054 | |
| 1055 /* | |
| 1948 | 1056 * Conversion may be required when the encoding of the file is different |
| 1057 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1058 */ |
| 1059 fio_flags = 0; | |
| 1948 | 1060 converted = need_conversion(fenc); |
| 1061 if (converted) | |
| 7 | 1062 { |
| 1063 | |
| 1064 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1065 * for a BOM. */ | |
| 1066 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1067 fio_flags = FIO_UCSBOM; | |
| 1068 | |
| 1069 /* | |
| 1070 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1071 * done. This is handled below after read(). Prepare the | |
| 1072 * fio_flags to avoid having to parse the string each time. | |
| 1073 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1074 * appears not to handle this correctly. This works just like | |
| 1075 * conversion to UTF-8 except how the resulting character is put in | |
| 1076 * the buffer. | |
| 1077 */ | |
| 1078 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1079 fio_flags = get_fio_flags(fenc); | |
| 1080 | |
| 1081 # ifdef WIN3264 | |
| 1082 /* | |
| 1083 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1084 * is handled with MultiByteToWideChar(). | |
| 1085 */ | |
| 1086 if (fio_flags == 0) | |
| 1087 fio_flags = get_win_fio_flags(fenc); | |
| 1088 # endif | |
| 1089 | |
| 1090 # ifdef MACOS_X | |
| 1091 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1092 if (fio_flags == 0) | |
| 1093 fio_flags = get_mac_fio_flags(fenc); | |
| 1094 # endif | |
| 1095 | |
| 1096 # ifdef USE_ICONV | |
| 1097 /* | |
| 1098 * Try using iconv() if we can't convert internally. | |
| 1099 */ | |
| 1100 if (fio_flags == 0 | |
| 1101 # ifdef FEAT_EVAL | |
| 1102 && !did_iconv | |
| 1103 # endif | |
| 1104 ) | |
| 1105 iconv_fd = (iconv_t)my_iconv_open( | |
| 1106 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1107 # endif | |
| 1108 | |
| 1109 # ifdef FEAT_EVAL | |
| 1110 /* | |
| 1111 * Use the 'charconvert' expression when conversion is required | |
| 1112 * and we can't do it internally or with iconv(). | |
| 1113 */ | |
| 1114 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1115 # ifdef USE_ICONV | |
| 1116 && iconv_fd == (iconv_t)-1 | |
| 1117 # endif | |
| 1118 ) | |
| 1119 { | |
| 1120 # ifdef USE_ICONV | |
| 1121 did_iconv = FALSE; | |
| 1122 # endif | |
| 1123 /* Skip conversion when it's already done (retry for wrong | |
| 1124 * "fileformat"). */ | |
| 1125 if (tmpname == NULL) | |
| 1126 { | |
| 1127 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1128 if (tmpname == NULL) | |
| 1129 { | |
| 1130 /* Conversion failed. Try another one. */ | |
| 1131 advance_fenc = TRUE; | |
| 1132 if (fd < 0) | |
| 1133 { | |
| 1134 /* Re-opening the original file failed! */ | |
| 1135 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1136 error = TRUE; | |
| 1137 goto failed; | |
| 1138 } | |
| 1139 goto retry; | |
| 1140 } | |
| 1141 } | |
| 1142 } | |
| 1143 else | |
| 1144 # endif | |
| 1145 { | |
| 1146 if (fio_flags == 0 | |
| 1147 # ifdef USE_ICONV | |
| 1148 && iconv_fd == (iconv_t)-1 | |
| 1149 # endif | |
| 1150 ) | |
| 1151 { | |
| 1152 /* Conversion wanted but we can't. | |
| 1153 * Try the next conversion in 'fileencodings' */ | |
| 1154 advance_fenc = TRUE; | |
| 1155 goto retry; | |
| 1156 } | |
| 1157 } | |
| 1158 } | |
| 1159 | |
| 595 | 1160 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1161 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1162 * stdin or fixed at a specific encoding. */ |
| 1163 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1164 #endif |
| 1165 | |
| 1166 if (!skip_read) | |
| 1167 { | |
| 1168 linerest = 0; | |
| 1169 filesize = 0; | |
| 1170 skip_count = lines_to_skip; | |
| 1171 read_count = lines_to_read; | |
| 1172 #ifdef FEAT_MBYTE | |
| 1173 conv_restlen = 0; | |
| 1174 #endif | |
| 1175 } | |
| 1176 | |
| 1177 while (!error && !got_int) | |
| 1178 { | |
| 1179 /* | |
| 1180 * We allocate as much space for the file as we can get, plus | |
| 1181 * space for the old line plus room for one terminating NUL. | |
| 1182 * The amount is limited by the fact that read() only can read | |
| 1183 * upto max_unsigned characters (and other things). | |
| 1184 */ | |
| 1185 #if SIZEOF_INT <= 2 | |
| 1186 if (linerest >= 0x7ff0) | |
| 1187 { | |
| 1188 ++split; | |
| 1189 *ptr = NL; /* split line by inserting a NL */ | |
| 1190 size = 1; | |
| 1191 } | |
| 1192 else | |
| 1193 #endif | |
| 1194 { | |
| 1195 if (!skip_read) | |
| 1196 { | |
| 1197 #if SIZEOF_INT > 2 | |
| 1076 | 1198 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1199 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1200 # else | |
| 1201 size = 0x10000L; /* use buffer >= 64K */ | |
| 1202 # endif | |
| 1203 #else | |
| 1204 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1205 #endif | |
| 1206 | |
| 836 | 1207 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1208 { |
| 1209 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1210 FALSE)) != NULL) | |
| 1211 break; | |
| 1212 } | |
| 1213 if (new_buffer == NULL) | |
| 1214 { | |
| 1215 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1216 error = TRUE; | |
| 1217 break; | |
| 1218 } | |
| 1219 if (linerest) /* copy characters from the previous buffer */ | |
| 1220 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1221 vim_free(buffer); | |
| 1222 buffer = new_buffer; | |
| 1223 ptr = buffer + linerest; | |
| 1224 line_start = buffer; | |
| 1225 | |
| 1226 #ifdef FEAT_MBYTE | |
| 1227 /* May need room to translate into. | |
| 1228 * For iconv() we don't really know the required space, use a | |
| 1229 * factor ICONV_MULT. | |
| 1230 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1231 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1232 * become up to 4 bytes, size must be multiple of 2 | |
| 1233 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1234 * multiple of 2 | |
| 1235 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1236 * multiple of 4 */ | |
| 835 | 1237 real_size = (int)size; |
| 7 | 1238 # ifdef USE_ICONV |
| 1239 if (iconv_fd != (iconv_t)-1) | |
| 1240 size = size / ICONV_MULT; | |
| 1241 else | |
| 1242 # endif | |
| 1243 if (fio_flags & FIO_LATIN1) | |
| 1244 size = size / 2; | |
| 1245 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1246 size = (size * 2 / 3) & ~1; | |
| 1247 else if (fio_flags & FIO_UCS4) | |
| 1248 size = (size * 2 / 3) & ~3; | |
| 1249 else if (fio_flags == FIO_UCSBOM) | |
| 1250 size = size / ICONV_MULT; /* worst case */ | |
| 1251 # ifdef WIN3264 | |
| 1252 else if (fio_flags & FIO_CODEPAGE) | |
| 1253 size = size / ICONV_MULT; /* also worst case */ | |
| 1254 # endif | |
| 1255 # ifdef MACOS_X | |
| 1256 else if (fio_flags & FIO_MACROMAN) | |
| 1257 size = size / ICONV_MULT; /* also worst case */ | |
| 1258 # endif | |
| 1259 #endif | |
| 1260 | |
| 1261 #ifdef FEAT_MBYTE | |
| 1262 if (conv_restlen > 0) | |
| 1263 { | |
| 1264 /* Insert unconverted bytes from previous line. */ | |
| 1265 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1266 ptr += conv_restlen; | |
| 1267 size -= conv_restlen; | |
| 1268 } | |
| 1269 #endif | |
| 1270 | |
| 1271 if (read_buffer) | |
| 1272 { | |
| 1273 /* | |
| 1274 * Read bytes from curbuf. Used for converting text read | |
| 1275 * from stdin. | |
| 1276 */ | |
| 1277 if (read_buf_lnum > from) | |
| 1278 size = 0; | |
| 1279 else | |
| 1280 { | |
| 1281 int n, ni; | |
| 1282 long tlen; | |
| 1283 | |
| 1284 tlen = 0; | |
| 1285 for (;;) | |
| 1286 { | |
| 1287 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1288 n = (int)STRLEN(p); | |
| 1289 if ((int)tlen + n + 1 > size) | |
| 1290 { | |
| 1291 /* Filled up to "size", append partial line. | |
| 1292 * Change NL to NUL to reverse the effect done | |
| 1293 * below. */ | |
| 835 | 1294 n = (int)(size - tlen); |
| 7 | 1295 for (ni = 0; ni < n; ++ni) |
| 1296 { | |
| 1297 if (p[ni] == NL) | |
| 1298 ptr[tlen++] = NUL; | |
| 1299 else | |
| 1300 ptr[tlen++] = p[ni]; | |
| 1301 } | |
| 1302 read_buf_col += n; | |
| 1303 break; | |
| 1304 } | |
| 1305 else | |
| 1306 { | |
| 1307 /* Append whole line and new-line. Change NL | |
| 1308 * to NUL to reverse the effect done below. */ | |
| 1309 for (ni = 0; ni < n; ++ni) | |
| 1310 { | |
| 1311 if (p[ni] == NL) | |
| 1312 ptr[tlen++] = NUL; | |
| 1313 else | |
| 1314 ptr[tlen++] = p[ni]; | |
| 1315 } | |
| 1316 ptr[tlen++] = NL; | |
| 1317 read_buf_col = 0; | |
| 1318 if (++read_buf_lnum > from) | |
| 1319 { | |
| 1320 /* When the last line didn't have an | |
| 1321 * end-of-line don't add it now either. */ | |
| 1322 if (!curbuf->b_p_eol) | |
| 1323 --tlen; | |
| 1324 size = tlen; | |
| 1325 break; | |
| 1326 } | |
| 1327 } | |
| 1328 } | |
| 1329 } | |
| 1330 } | |
| 1331 else | |
| 1332 { | |
| 1333 /* | |
| 1334 * Read bytes from the file. | |
| 1335 */ | |
| 1336 size = vim_read(fd, ptr, size); | |
| 1337 } | |
| 1338 | |
| 1339 if (size <= 0) | |
| 1340 { | |
| 1341 if (size < 0) /* read error */ | |
| 1342 error = TRUE; | |
| 1343 #ifdef FEAT_MBYTE | |
| 1344 else if (conv_restlen > 0) | |
| 595 | 1345 { |
| 1597 | 1346 /* |
| 1347 * Reached end-of-file but some trailing bytes could | |
| 1348 * not be converted. Truncated file? | |
| 1349 */ | |
| 1350 | |
| 1351 /* When we did a conversion report an error. */ | |
| 1352 if (fio_flags != 0 | |
| 1353 # ifdef USE_ICONV | |
| 1354 || iconv_fd != (iconv_t)-1 | |
| 1355 # endif | |
| 1356 ) | |
| 1357 { | |
| 1358 if (conv_error == 0) | |
| 1359 conv_error = curbuf->b_ml.ml_line_count | |
| 1360 - linecnt + 1; | |
| 1361 } | |
| 1362 /* Remember the first linenr with an illegal byte */ | |
| 1363 else if (illegal_byte == 0) | |
| 1364 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1365 - linecnt + 1; | |
| 1366 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1367 { |
| 1597 | 1368 *(ptr - conv_restlen) = NUL; |
| 1369 conv_restlen = 0; | |
| 1370 } | |
| 1371 else | |
| 1372 { | |
| 1373 /* Replace the trailing bytes with the replacement | |
| 1374 * character if we were converting; if we weren't, | |
| 1375 * leave the UTF8 checking code to do it, as it | |
| 1376 * works slightly differently. */ | |
| 1377 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1378 # ifdef USE_ICONV | |
| 1379 || iconv_fd != (iconv_t)-1 | |
| 1380 # endif | |
| 1381 )) | |
| 1382 { | |
| 1383 while (conv_restlen > 0) | |
| 1384 { | |
| 1385 *(--ptr) = bad_char_behavior; | |
| 1386 --conv_restlen; | |
| 1387 } | |
| 1388 } | |
| 595 | 1389 fio_flags = 0; /* don't convert this */ |
| 834 | 1390 # ifdef USE_ICONV |
| 1391 if (iconv_fd != (iconv_t)-1) | |
| 1392 { | |
| 1393 iconv_close(iconv_fd); | |
| 1394 iconv_fd = (iconv_t)-1; | |
| 1395 } | |
| 1396 # endif | |
| 595 | 1397 } |
| 1398 } | |
| 7 | 1399 #endif |
| 1400 } | |
| 1401 | |
| 1402 #ifdef FEAT_CRYPT | |
| 1403 /* | |
| 1404 * At start of file: Check for magic number of encryption. | |
| 1405 */ | |
| 1406 if (filesize == 0) | |
| 1407 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
| 1408 &filesize, newfile); | |
| 1409 /* | |
| 1410 * Decrypt the read bytes. | |
| 1411 */ | |
| 1412 if (cryptkey != NULL && size > 0) | |
| 1413 for (p = ptr; p < ptr + size; ++p) | |
| 1414 ZDECODE(*p); | |
| 1415 #endif | |
| 1416 } | |
| 1417 skip_read = FALSE; | |
| 1418 | |
| 1419 #ifdef FEAT_MBYTE | |
| 1420 /* | |
| 1421 * At start of file (or after crypt magic number): Check for BOM. | |
| 1422 * Also check for a BOM for other Unicode encodings, but not after | |
| 1423 * converting with 'charconvert' or when a BOM has already been | |
| 1424 * found. | |
| 1425 */ | |
| 1426 if ((filesize == 0 | |
| 1427 # ifdef FEAT_CRYPT | |
| 1428 || (filesize == CRYPT_MAGIC_LEN && cryptkey != NULL) | |
| 1429 # endif | |
| 1430 ) | |
| 1431 && (fio_flags == FIO_UCSBOM | |
| 1432 || (!curbuf->b_p_bomb | |
| 1433 && tmpname == NULL | |
| 1434 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1435 { | |
| 1436 char_u *ccname; | |
| 1437 int blen; | |
| 1438 | |
| 1439 /* no BOM detection in a short file or in binary mode */ | |
| 1440 if (size < 2 || curbuf->b_p_bin) | |
| 1441 ccname = NULL; | |
| 1442 else | |
| 1443 ccname = check_for_bom(ptr, size, &blen, | |
| 1444 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1445 if (ccname != NULL) | |
| 1446 { | |
| 1447 /* Remove BOM from the text */ | |
| 1448 filesize += blen; | |
| 1449 size -= blen; | |
| 1450 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1451 if (set_options) |
| 1352 | 1452 { |
| 7 | 1453 curbuf->b_p_bomb = TRUE; |
| 1352 | 1454 curbuf->b_start_bomb = TRUE; |
| 1455 } | |
| 7 | 1456 } |
| 1457 | |
| 1458 if (fio_flags == FIO_UCSBOM) | |
| 1459 { | |
| 1460 if (ccname == NULL) | |
| 1461 { | |
| 1462 /* No BOM detected: retry with next encoding. */ | |
| 1463 advance_fenc = TRUE; | |
| 1464 } | |
| 1465 else | |
| 1466 { | |
| 1467 /* BOM detected: set "fenc" and jump back */ | |
| 1468 if (fenc_alloced) | |
| 1469 vim_free(fenc); | |
| 1470 fenc = ccname; | |
| 1471 fenc_alloced = FALSE; | |
| 1472 } | |
| 1473 /* retry reading without getting new bytes or rewinding */ | |
| 1474 skip_read = TRUE; | |
| 1475 goto retry; | |
| 1476 } | |
| 1477 } | |
| 1597 | 1478 |
| 1479 /* Include not converted bytes. */ | |
| 1480 ptr -= conv_restlen; | |
| 1481 size += conv_restlen; | |
| 1482 conv_restlen = 0; | |
| 7 | 1483 #endif |
| 1484 /* | |
| 1485 * Break here for a read error or end-of-file. | |
| 1486 */ | |
| 1487 if (size <= 0) | |
| 1488 break; | |
| 1489 | |
| 1490 #ifdef FEAT_MBYTE | |
| 1491 | |
| 1492 # ifdef USE_ICONV | |
| 1493 if (iconv_fd != (iconv_t)-1) | |
| 1494 { | |
| 1495 /* | |
| 1496 * Attempt conversion of the read bytes to 'encoding' using | |
| 1497 * iconv(). | |
| 1498 */ | |
| 1499 const char *fromp; | |
| 1500 char *top; | |
| 1501 size_t from_size; | |
| 1502 size_t to_size; | |
| 1503 | |
| 1504 fromp = (char *)ptr; | |
| 1505 from_size = size; | |
| 1506 ptr += size; | |
| 1507 top = (char *)ptr; | |
| 1508 to_size = real_size - size; | |
| 1509 | |
| 1510 /* | |
| 1511 * If there is conversion error or not enough room try using | |
| 179 | 1512 * another conversion. Except for when there is no |
| 1513 * alternative (help files). | |
| 7 | 1514 */ |
| 177 | 1515 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1516 &top, &to_size) | |
| 7 | 1517 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1518 || from_size > CONV_RESTLEN) | |
| 177 | 1519 { |
| 595 | 1520 if (can_retry) |
| 375 | 1521 goto rewind_retry; |
| 595 | 1522 if (conv_error == 0) |
| 1523 conv_error = readfile_linenr(linecnt, | |
| 1524 ptr, (char_u *)top); | |
| 1525 | |
| 1526 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1527 ++fromp; |
| 1528 --from_size; | |
| 595 | 1529 if (bad_char_behavior == BAD_KEEP) |
| 1530 { | |
| 1531 *top++ = *(fromp - 1); | |
| 1532 --to_size; | |
| 1533 } | |
| 1534 else if (bad_char_behavior != BAD_DROP) | |
| 1535 { | |
| 1536 *top++ = bad_char_behavior; | |
| 1537 --to_size; | |
| 1538 } | |
| 177 | 1539 } |
| 7 | 1540 |
| 1541 if (from_size > 0) | |
| 1542 { | |
| 1543 /* Some remaining characters, keep them for the next | |
| 1544 * round. */ | |
| 1545 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1546 conv_restlen = (int)from_size; | |
| 1547 } | |
| 1548 | |
| 1549 /* move the linerest to before the converted characters */ | |
| 1550 line_start = ptr - linerest; | |
| 1551 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1552 size = (long)((char_u *)top - ptr); | |
| 1553 } | |
| 1554 # endif | |
| 1555 | |
| 1556 # ifdef WIN3264 | |
| 1557 if (fio_flags & FIO_CODEPAGE) | |
| 1558 { | |
| 595 | 1559 char_u *src, *dst; |
| 1560 WCHAR ucs2buf[3]; | |
| 1561 int ucs2len; | |
| 1562 int codepage = FIO_GET_CP(fio_flags); | |
| 1563 int bytelen; | |
| 1564 int found_bad; | |
| 1565 char replstr[2]; | |
| 1566 | |
| 7 | 1567 /* |
| 1568 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1569 * a codepage, using standard MS-Windows functions. This |
| 1570 * requires two steps: | |
| 1571 * 1. convert from 'fileencoding' to ucs-2 | |
| 1572 * 2. convert from ucs-2 to 'encoding' | |
| 1573 * | |
| 1574 * Because there may be illegal bytes AND an incomplete byte | |
| 1575 * sequence at the end, we may have to do the conversion one | |
| 1576 * character at a time to get it right. | |
| 7 | 1577 */ |
| 595 | 1578 |
| 1579 /* Replacement string for WideCharToMultiByte(). */ | |
| 1580 if (bad_char_behavior > 0) | |
| 1581 replstr[0] = bad_char_behavior; | |
| 1582 else | |
| 1583 replstr[0] = '?'; | |
| 1584 replstr[1] = NUL; | |
| 1585 | |
| 1586 /* | |
| 1587 * Move the bytes to the end of the buffer, so that we have | |
| 1588 * room to put the result at the start. | |
| 1589 */ | |
| 1590 src = ptr + real_size - size; | |
| 1591 mch_memmove(src, ptr, size); | |
| 7 | 1592 |
| 1593 /* | |
| 595 | 1594 * Do the conversion. |
| 7 | 1595 */ |
| 595 | 1596 dst = ptr; |
| 1597 size = size; | |
| 1598 while (size > 0) | |
| 7 | 1599 { |
| 595 | 1600 found_bad = FALSE; |
| 7 | 1601 |
| 1602 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1603 if (codepage == CP_UTF8) |
| 7 | 1604 { |
| 595 | 1605 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1606 * trailing bytes properly. | |
| 1607 * Get one UTF-8 character from src. */ | |
| 835 | 1608 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1609 if (bytelen > size) |
| 1610 { | |
| 1611 /* Only got some bytes of a character. Normally | |
| 1612 * it's put in "conv_rest", but if it's too long | |
| 1613 * deal with it as if they were illegal bytes. */ | |
| 1614 if (bytelen <= CONV_RESTLEN) | |
| 1615 break; | |
| 1616 | |
| 1617 /* weird overlong byte sequence */ | |
| 1618 bytelen = size; | |
| 1619 found_bad = TRUE; | |
| 1620 } | |
| 1621 else | |
| 1622 { | |
| 799 | 1623 int u8c = utf_ptr2char(src); |
| 1624 | |
| 622 | 1625 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1626 found_bad = TRUE; |
| 1627 ucs2buf[0] = u8c; | |
| 1628 ucs2len = 1; | |
| 1629 } | |
| 7 | 1630 } |
| 595 | 1631 else |
| 7 | 1632 # endif |
| 595 | 1633 { |
| 1634 /* We don't know how long the byte sequence is, try | |
| 1635 * from one to three bytes. */ | |
| 1636 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1637 ++bytelen) | |
| 1638 { | |
| 1639 ucs2len = MultiByteToWideChar(codepage, | |
| 1640 MB_ERR_INVALID_CHARS, | |
| 1641 (LPCSTR)src, bytelen, | |
| 1642 ucs2buf, 3); | |
| 1643 if (ucs2len > 0) | |
| 1644 break; | |
| 1645 } | |
| 1646 if (ucs2len == 0) | |
| 1647 { | |
| 1648 /* If we have only one byte then it's probably an | |
| 1649 * incomplete byte sequence. Otherwise discard | |
| 1650 * one byte as a bad character. */ | |
| 1651 if (size == 1) | |
| 1652 break; | |
| 1653 found_bad = TRUE; | |
| 1654 bytelen = 1; | |
| 1655 } | |
| 1656 } | |
| 1657 | |
| 1658 if (!found_bad) | |
| 7 | 1659 { |
| 595 | 1660 int i; |
| 1661 | |
| 1662 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1663 if (enc_utf8) | |
| 1664 { | |
| 1665 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1666 for (i = 0; i < ucs2len; ++i) | |
| 1667 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1668 } | |
| 1669 else | |
| 1670 { | |
| 1671 BOOL bad = FALSE; | |
| 1672 int dstlen; | |
| 1673 | |
| 1674 /* From UCS-2 to "enc_codepage". If the | |
| 1675 * conversion uses the default character "?", | |
| 1676 * the data doesn't fit in this encoding. */ | |
| 1677 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1678 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1679 (LPSTR)dst, (int)(src - dst), |
| 595 | 1680 replstr, &bad); |
| 1681 if (bad) | |
| 1682 found_bad = TRUE; | |
| 1683 else | |
| 1684 dst += dstlen; | |
| 1685 } | |
| 7 | 1686 } |
| 595 | 1687 |
| 1688 if (found_bad) | |
| 1689 { | |
| 1690 /* Deal with bytes we can't convert. */ | |
| 1691 if (can_retry) | |
| 1692 goto rewind_retry; | |
| 1693 if (conv_error == 0) | |
| 1694 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1695 if (bad_char_behavior != BAD_DROP) | |
| 1696 { | |
| 1697 if (bad_char_behavior == BAD_KEEP) | |
| 1698 { | |
| 1699 mch_memmove(dst, src, bytelen); | |
| 1700 dst += bytelen; | |
| 1701 } | |
| 1702 else | |
| 1703 *dst++ = bad_char_behavior; | |
| 1704 } | |
| 1705 } | |
| 1706 | |
| 1707 src += bytelen; | |
| 1708 size -= bytelen; | |
| 7 | 1709 } |
| 595 | 1710 |
| 1711 if (size > 0) | |
| 7 | 1712 { |
| 595 | 1713 /* An incomplete byte sequence remaining. */ |
| 1714 mch_memmove(conv_rest, src, size); | |
| 1715 conv_restlen = size; | |
| 7 | 1716 } |
| 595 | 1717 |
| 1718 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1719 size = (long)(dst - ptr); |
| 7 | 1720 } |
| 1721 else | |
| 1722 # endif | |
| 765 | 1723 # ifdef MACOS_CONVERT |
| 7 | 1724 if (fio_flags & FIO_MACROMAN) |
| 1725 { | |
| 1726 /* | |
| 1727 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1728 * latin1. This is in os_mac_conv.c. |
| 7 | 1729 */ |
| 18 | 1730 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1731 goto rewind_retry; |
| 1732 } | |
| 1733 else | |
| 1734 # endif | |
| 1735 if (fio_flags != 0) | |
| 1736 { | |
| 1737 int u8c; | |
| 1738 char_u *dest; | |
| 1739 char_u *tail = NULL; | |
| 1740 | |
| 1741 /* | |
| 1742 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1743 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1744 * Go from end to start through the buffer, because the number | |
| 1745 * of bytes may increase. | |
| 1746 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1747 * to after the next character to convert. | |
| 1748 */ | |
| 1749 dest = ptr + real_size; | |
| 1750 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1751 { | |
| 1752 p = ptr + size; | |
| 1753 if (fio_flags == FIO_UTF8) | |
| 1754 { | |
| 1755 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1756 tail = ptr + size - 1; | |
| 1757 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1758 --tail; | |
| 1759 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1760 tail = NULL; | |
| 1761 else | |
| 1762 p = tail; | |
| 1763 } | |
| 1764 } | |
| 1765 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1766 { | |
| 1767 /* Check for a trailing byte */ | |
| 1768 p = ptr + (size & ~1); | |
| 1769 if (size & 1) | |
| 1770 tail = p; | |
| 1771 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1772 { | |
| 1773 /* Check for a trailing leading word */ | |
| 1774 if (fio_flags & FIO_ENDIAN_L) | |
| 1775 { | |
| 1776 u8c = (*--p << 8); | |
| 1777 u8c += *--p; | |
| 1778 } | |
| 1779 else | |
| 1780 { | |
| 1781 u8c = *--p; | |
| 1782 u8c += (*--p << 8); | |
| 1783 } | |
| 1784 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1785 tail = p; | |
| 1786 else | |
| 1787 p += 2; | |
| 1788 } | |
| 1789 } | |
| 1790 else /* FIO_UCS4 */ | |
| 1791 { | |
| 1792 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1793 p = ptr + (size & ~3); | |
| 1794 if (size & 3) | |
| 1795 tail = p; | |
| 1796 } | |
| 1797 | |
| 1798 /* If there is a trailing incomplete sequence move it to | |
| 1799 * conv_rest[]. */ | |
| 1800 if (tail != NULL) | |
| 1801 { | |
| 1802 conv_restlen = (int)((ptr + size) - tail); | |
| 1803 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1804 size -= conv_restlen; | |
| 1805 } | |
| 1806 | |
| 1807 | |
| 1808 while (p > ptr) | |
| 1809 { | |
| 1810 if (fio_flags & FIO_LATIN1) | |
| 1811 u8c = *--p; | |
| 1812 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1813 { | |
| 1814 if (fio_flags & FIO_ENDIAN_L) | |
| 1815 { | |
| 1816 u8c = (*--p << 8); | |
| 1817 u8c += *--p; | |
| 1818 } | |
| 1819 else | |
| 1820 { | |
| 1821 u8c = *--p; | |
| 1822 u8c += (*--p << 8); | |
| 1823 } | |
| 1824 if ((fio_flags & FIO_UTF16) | |
| 1825 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1826 { | |
| 1827 int u16c; | |
| 1828 | |
| 1829 if (p == ptr) | |
| 1830 { | |
| 1831 /* Missing leading word. */ | |
| 1832 if (can_retry) | |
| 1833 goto rewind_retry; | |
| 595 | 1834 if (conv_error == 0) |
| 1835 conv_error = readfile_linenr(linecnt, | |
| 1836 ptr, p); | |
| 1837 if (bad_char_behavior == BAD_DROP) | |
| 1838 continue; | |
| 1839 if (bad_char_behavior != BAD_KEEP) | |
| 1840 u8c = bad_char_behavior; | |
| 7 | 1841 } |
| 1842 | |
| 1843 /* found second word of double-word, get the first | |
| 1844 * word and compute the resulting character */ | |
| 1845 if (fio_flags & FIO_ENDIAN_L) | |
| 1846 { | |
| 1847 u16c = (*--p << 8); | |
| 1848 u16c += *--p; | |
| 1849 } | |
| 1850 else | |
| 1851 { | |
| 1852 u16c = *--p; | |
| 1853 u16c += (*--p << 8); | |
| 1854 } | |
| 595 | 1855 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1856 + (u8c & 0x3ff); | |
| 1857 | |
| 7 | 1858 /* Check if the word is indeed a leading word. */ |
| 1859 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1860 { | |
| 1861 if (can_retry) | |
| 1862 goto rewind_retry; | |
| 595 | 1863 if (conv_error == 0) |
| 1864 conv_error = readfile_linenr(linecnt, | |
| 1865 ptr, p); | |
| 1866 if (bad_char_behavior == BAD_DROP) | |
| 1867 continue; | |
| 1868 if (bad_char_behavior != BAD_KEEP) | |
| 1869 u8c = bad_char_behavior; | |
| 7 | 1870 } |
| 1871 } | |
| 1872 } | |
| 1873 else if (fio_flags & FIO_UCS4) | |
| 1874 { | |
| 1875 if (fio_flags & FIO_ENDIAN_L) | |
| 1876 { | |
| 1877 u8c = (*--p << 24); | |
| 1878 u8c += (*--p << 16); | |
| 1879 u8c += (*--p << 8); | |
| 1880 u8c += *--p; | |
| 1881 } | |
| 1882 else /* big endian */ | |
| 1883 { | |
| 1884 u8c = *--p; | |
| 1885 u8c += (*--p << 8); | |
| 1886 u8c += (*--p << 16); | |
| 1887 u8c += (*--p << 24); | |
| 1888 } | |
| 1889 } | |
| 1890 else /* UTF-8 */ | |
| 1891 { | |
| 1892 if (*--p < 0x80) | |
| 1893 u8c = *p; | |
| 1894 else | |
| 1895 { | |
| 1896 len = utf_head_off(ptr, p); | |
| 595 | 1897 p -= len; |
| 1898 u8c = utf_ptr2char(p); | |
| 7 | 1899 if (len == 0) |
| 1900 { | |
| 1901 /* Not a valid UTF-8 character, retry with | |
| 1902 * another fenc when possible, otherwise just | |
| 1903 * report the error. */ | |
| 1904 if (can_retry) | |
| 1905 goto rewind_retry; | |
| 595 | 1906 if (conv_error == 0) |
| 1907 conv_error = readfile_linenr(linecnt, | |
| 1908 ptr, p); | |
| 1909 if (bad_char_behavior == BAD_DROP) | |
| 1910 continue; | |
| 1911 if (bad_char_behavior != BAD_KEEP) | |
| 1912 u8c = bad_char_behavior; | |
| 7 | 1913 } |
| 1914 } | |
| 1915 } | |
| 1916 if (enc_utf8) /* produce UTF-8 */ | |
| 1917 { | |
| 1918 dest -= utf_char2len(u8c); | |
| 1919 (void)utf_char2bytes(u8c, dest); | |
| 1920 } | |
| 1921 else /* produce Latin1 */ | |
| 1922 { | |
| 1923 --dest; | |
| 1924 if (u8c >= 0x100) | |
| 1925 { | |
| 1926 /* character doesn't fit in latin1, retry with | |
| 1927 * another fenc when possible, otherwise just | |
| 1928 * report the error. */ | |
| 595 | 1929 if (can_retry) |
| 7 | 1930 goto rewind_retry; |
| 595 | 1931 if (conv_error == 0) |
| 1932 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1933 if (bad_char_behavior == BAD_DROP) | |
| 1934 ++dest; | |
| 1935 else if (bad_char_behavior == BAD_KEEP) | |
| 1936 *dest = u8c; | |
| 1937 else if (eap != NULL && eap->bad_char != 0) | |
| 1938 *dest = bad_char_behavior; | |
| 1939 else | |
| 1940 *dest = 0xBF; | |
| 7 | 1941 } |
| 1942 else | |
| 1943 *dest = u8c; | |
| 1944 } | |
| 1945 } | |
| 1946 | |
| 1947 /* move the linerest to before the converted characters */ | |
| 1948 line_start = dest - linerest; | |
| 1949 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1950 size = (long)((ptr + real_size) - dest); | |
| 1951 ptr = dest; | |
| 1952 } | |
| 1597 | 1953 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1954 { | |
| 1955 int incomplete_tail = FALSE; | |
| 1956 | |
| 1957 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1958 for (p = ptr; ; ++p) | |
| 7 | 1959 { |
| 835 | 1960 int todo = (int)((ptr + size) - p); |
| 595 | 1961 int l; |
| 1962 | |
| 1963 if (todo <= 0) | |
| 1964 break; | |
| 7 | 1965 if (*p >= 0x80) |
| 1966 { | |
| 1967 /* A length of 1 means it's an illegal byte. Accept | |
| 1968 * an incomplete character at the end though, the next | |
| 1969 * read() will get the next bytes, we'll check it | |
| 1970 * then. */ | |
| 595 | 1971 l = utf_ptr2len_len(p, todo); |
| 1597 | 1972 if (l > todo && !incomplete_tail) |
| 7 | 1973 { |
| 1597 | 1974 /* Avoid retrying with a different encoding when |
| 1975 * a truncated file is more likely, or attempting | |
| 1976 * to read the rest of an incomplete sequence when | |
| 1977 * we have already done so. */ | |
| 1978 if (p > ptr || filesize > 0) | |
| 1979 incomplete_tail = TRUE; | |
| 1980 /* Incomplete byte sequence, move it to conv_rest[] | |
| 1981 * and try to read the rest of it, unless we've | |
| 1982 * already done so. */ | |
| 1983 if (p > ptr) | |
| 1984 { | |
| 1985 conv_restlen = todo; | |
| 1986 mch_memmove(conv_rest, p, conv_restlen); | |
| 1987 size -= conv_restlen; | |
| 1988 break; | |
| 1989 } | |
| 7 | 1990 } |
| 1597 | 1991 if (l == 1 || l > todo) |
| 595 | 1992 { |
| 1993 /* Illegal byte. If we can try another encoding | |
| 1597 | 1994 * do that, unless at EOF where a truncated |
| 1995 * file is more likely than a conversion error. */ | |
| 1996 if (can_retry && !incomplete_tail) | |
| 595 | 1997 break; |
| 1998 # ifdef USE_ICONV | |
| 1999 /* When we did a conversion report an error. */ | |
| 2000 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2001 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2002 # endif | |
| 1597 | 2003 /* Remember the first linenr with an illegal byte */ |
| 2004 if (conv_error == 0 && illegal_byte == 0) | |
| 2005 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2006 |
| 2007 /* Drop, keep or replace the bad byte. */ | |
| 2008 if (bad_char_behavior == BAD_DROP) | |
| 2009 { | |
| 1597 | 2010 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2011 --p; |
| 2012 --size; | |
| 2013 } | |
| 2014 else if (bad_char_behavior != BAD_KEEP) | |
| 2015 *p = bad_char_behavior; | |
| 2016 } | |
| 1597 | 2017 else |
| 2018 p += l - 1; | |
| 7 | 2019 } |
| 2020 } | |
| 1597 | 2021 if (p < ptr + size && !incomplete_tail) |
| 7 | 2022 { |
| 2023 /* Detected a UTF-8 error. */ | |
| 2024 rewind_retry: | |
| 595 | 2025 /* Retry reading with another conversion. */ |
| 7 | 2026 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2027 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2028 /* iconv() failed, try 'charconvert' */ | |
| 2029 did_iconv = TRUE; | |
| 7 | 2030 else |
| 2031 # endif | |
| 595 | 2032 /* use next item from 'fileencodings' */ |
| 2033 advance_fenc = TRUE; | |
| 2034 file_rewind = TRUE; | |
| 2035 goto retry; | |
| 7 | 2036 } |
| 2037 } | |
| 2038 #endif | |
| 2039 | |
| 2040 /* count the number of characters (after conversion!) */ | |
| 2041 filesize += size; | |
| 2042 | |
| 2043 /* | |
| 2044 * when reading the first part of a file: guess EOL type | |
| 2045 */ | |
| 2046 if (fileformat == EOL_UNKNOWN) | |
| 2047 { | |
| 2048 /* First try finding a NL, for Dos and Unix */ | |
| 2049 if (try_dos || try_unix) | |
| 2050 { | |
| 2051 for (p = ptr; p < ptr + size; ++p) | |
| 2052 { | |
| 2053 if (*p == NL) | |
| 2054 { | |
| 2055 if (!try_unix | |
| 2056 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2057 fileformat = EOL_DOS; | |
| 2058 else | |
| 2059 fileformat = EOL_UNIX; | |
| 2060 break; | |
| 2061 } | |
| 2062 } | |
| 2063 | |
| 2064 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2065 if (fileformat == EOL_UNIX && try_mac) | |
| 2066 { | |
| 2067 /* Need to reset the counters when retrying fenc. */ | |
| 2068 try_mac = 1; | |
| 2069 try_unix = 1; | |
| 2070 for (; p >= ptr && *p != CAR; p--) | |
| 2071 ; | |
| 2072 if (p >= ptr) | |
| 2073 { | |
| 2074 for (p = ptr; p < ptr + size; ++p) | |
| 2075 { | |
| 2076 if (*p == NL) | |
| 2077 try_unix++; | |
| 2078 else if (*p == CAR) | |
| 2079 try_mac++; | |
| 2080 } | |
| 2081 if (try_mac > try_unix) | |
| 2082 fileformat = EOL_MAC; | |
| 2083 } | |
| 2084 } | |
| 2085 } | |
| 2086 | |
| 2087 /* No NL found: may use Mac format */ | |
| 2088 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2089 fileformat = EOL_MAC; | |
| 2090 | |
| 2091 /* Still nothing found? Use first format in 'ffs' */ | |
| 2092 if (fileformat == EOL_UNKNOWN) | |
| 2093 fileformat = default_fileformat(); | |
| 2094 | |
| 2095 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2096 if (set_options) |
| 7 | 2097 set_fileformat(fileformat, OPT_LOCAL); |
| 2098 } | |
| 2099 } | |
| 2100 | |
| 2101 /* | |
| 2102 * This loop is executed once for every character read. | |
| 2103 * Keep it fast! | |
| 2104 */ | |
| 2105 if (fileformat == EOL_MAC) | |
| 2106 { | |
| 2107 --ptr; | |
| 2108 while (++ptr, --size >= 0) | |
| 2109 { | |
| 2110 /* catch most common case first */ | |
| 2111 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2112 continue; | |
| 2113 if (c == NUL) | |
| 2114 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2115 else if (c == NL) | |
| 2116 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2117 else | |
| 2118 { | |
| 2119 if (skip_count == 0) | |
| 2120 { | |
| 2121 *ptr = NUL; /* end of line */ | |
| 2122 len = (colnr_T) (ptr - line_start + 1); | |
| 2123 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2124 { | |
| 2125 error = TRUE; | |
| 2126 break; | |
| 2127 } | |
| 2128 ++lnum; | |
| 2129 if (--read_count == 0) | |
| 2130 { | |
| 2131 error = TRUE; /* break loop */ | |
| 2132 line_start = ptr; /* nothing left to write */ | |
| 2133 break; | |
| 2134 } | |
| 2135 } | |
| 2136 else | |
| 2137 --skip_count; | |
| 2138 line_start = ptr + 1; | |
| 2139 } | |
| 2140 } | |
| 2141 } | |
| 2142 else | |
| 2143 { | |
| 2144 --ptr; | |
| 2145 while (++ptr, --size >= 0) | |
| 2146 { | |
| 2147 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2148 continue; | |
| 2149 if (c == NUL) | |
| 2150 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2151 else | |
| 2152 { | |
| 2153 if (skip_count == 0) | |
| 2154 { | |
| 2155 *ptr = NUL; /* end of line */ | |
| 2156 len = (colnr_T)(ptr - line_start + 1); | |
| 2157 if (fileformat == EOL_DOS) | |
| 2158 { | |
| 2159 if (ptr[-1] == CAR) /* remove CR */ | |
| 2160 { | |
| 2161 ptr[-1] = NUL; | |
| 2162 --len; | |
| 2163 } | |
| 2164 /* | |
| 2165 * Reading in Dos format, but no CR-LF found! | |
| 2166 * When 'fileformats' includes "unix", delete all | |
| 2167 * the lines read so far and start all over again. | |
| 2168 * Otherwise give an error message later. | |
| 2169 */ | |
| 2170 else if (ff_error != EOL_DOS) | |
| 2171 { | |
| 2172 if ( try_unix | |
| 2173 && !read_stdin | |
| 2174 && (read_buffer | |
| 2175 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2176 { | |
| 2177 fileformat = EOL_UNIX; | |
| 819 | 2178 if (set_options) |
| 7 | 2179 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2180 file_rewind = TRUE; | |
| 2181 keep_fileformat = TRUE; | |
| 2182 goto retry; | |
| 2183 } | |
| 2184 ff_error = EOL_DOS; | |
| 2185 } | |
| 2186 } | |
| 2187 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2188 { | |
| 2189 error = TRUE; | |
| 2190 break; | |
| 2191 } | |
| 2192 ++lnum; | |
| 2193 if (--read_count == 0) | |
| 2194 { | |
| 2195 error = TRUE; /* break loop */ | |
| 2196 line_start = ptr; /* nothing left to write */ | |
| 2197 break; | |
| 2198 } | |
| 2199 } | |
| 2200 else | |
| 2201 --skip_count; | |
| 2202 line_start = ptr + 1; | |
| 2203 } | |
| 2204 } | |
| 2205 } | |
| 2206 linerest = (long)(ptr - line_start); | |
| 2207 ui_breakcheck(); | |
| 2208 } | |
| 2209 | |
| 2210 failed: | |
| 2211 /* not an error, max. number of lines reached */ | |
| 2212 if (error && read_count == 0) | |
| 2213 error = FALSE; | |
| 2214 | |
| 2215 /* | |
| 2216 * If we get EOF in the middle of a line, note the fact and | |
| 2217 * complete the line ourselves. | |
| 2218 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2219 */ | |
| 2220 if (!error | |
| 2221 && !got_int | |
| 2222 && linerest != 0 | |
| 2223 && !(!curbuf->b_p_bin | |
| 2224 && fileformat == EOL_DOS | |
| 2225 && *line_start == Ctrl_Z | |
| 2226 && ptr == line_start + 1)) | |
| 2227 { | |
| 819 | 2228 /* remember for when writing */ |
| 2229 if (set_options) | |
| 7 | 2230 curbuf->b_p_eol = FALSE; |
| 2231 *ptr = NUL; | |
| 2232 if (ml_append(lnum, line_start, | |
| 2233 (colnr_T)(ptr - line_start + 1), newfile) == FAIL) | |
| 2234 error = TRUE; | |
| 2235 else | |
| 2236 read_no_eol_lnum = ++lnum; | |
| 2237 } | |
| 2238 | |
| 819 | 2239 if (set_options) |
| 7 | 2240 save_file_ff(curbuf); /* remember the current file format */ |
| 2241 | |
| 2242 #ifdef FEAT_CRYPT | |
| 2243 if (cryptkey != curbuf->b_p_key) | |
| 2244 vim_free(cryptkey); | |
| 2245 #endif | |
| 2246 | |
| 2247 #ifdef FEAT_MBYTE | |
| 819 | 2248 /* If editing a new file: set 'fenc' for the current buffer. |
| 2249 * Also for ":read ++edit file". */ | |
| 2250 if (set_options) | |
| 7 | 2251 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2252 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2253 if (fenc_alloced) |
| 2254 vim_free(fenc); | |
| 2255 # ifdef USE_ICONV | |
| 2256 if (iconv_fd != (iconv_t)-1) | |
| 2257 { | |
| 2258 iconv_close(iconv_fd); | |
| 2259 iconv_fd = (iconv_t)-1; | |
| 2260 } | |
| 2261 # endif | |
| 2262 #endif | |
| 2263 | |
| 2264 if (!read_buffer && !read_stdin) | |
| 2265 close(fd); /* errors are ignored */ | |
| 2003 | 2266 #ifdef HAVE_FD_CLOEXEC |
| 2267 else | |
| 2268 { | |
| 2269 int fdflags = fcntl(fd, F_GETFD); | |
| 2270 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2271 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2272 } | |
| 2273 #endif | |
| 7 | 2274 vim_free(buffer); |
| 2275 | |
| 2276 #ifdef HAVE_DUP | |
| 2277 if (read_stdin) | |
| 2278 { | |
| 2279 /* Use stderr for stdin, makes shell commands work. */ | |
| 2280 close(0); | |
| 1757 | 2281 ignored = dup(2); |
| 7 | 2282 } |
| 2283 #endif | |
| 2284 | |
| 2285 #ifdef FEAT_MBYTE | |
| 2286 if (tmpname != NULL) | |
| 2287 { | |
| 2288 mch_remove(tmpname); /* delete converted file */ | |
| 2289 vim_free(tmpname); | |
| 2290 } | |
| 2291 #endif | |
| 2292 --no_wait_return; /* may wait for return now */ | |
| 2293 | |
| 2294 /* | |
| 2295 * In recovery mode everything but autocommands is skipped. | |
| 2296 */ | |
| 2297 if (!recoverymode) | |
| 2298 { | |
| 2299 /* need to delete the last line, which comes from the empty buffer */ | |
| 2300 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2301 { | |
| 2302 #ifdef FEAT_NETBEANS_INTG | |
| 2303 netbeansFireChanges = 0; | |
| 2304 #endif | |
| 2305 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2306 #ifdef FEAT_NETBEANS_INTG | |
| 2307 netbeansFireChanges = 1; | |
| 2308 #endif | |
| 2309 --linecnt; | |
| 2310 } | |
| 2311 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2312 if (filesize == 0) | |
| 2313 linecnt = 0; | |
| 2314 if (newfile || read_buffer) | |
| 1201 | 2315 { |
| 7 | 2316 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2317 #ifdef FEAT_DIFF |
| 2318 /* After reading the text into the buffer the diff info needs to | |
| 2319 * be updated. */ | |
| 2320 diff_invalidate(curbuf); | |
| 2321 #endif | |
| 2322 #ifdef FEAT_FOLDING | |
| 2323 /* All folds in the window are invalid now. Mark them for update | |
| 2324 * before triggering autocommands. */ | |
| 2325 foldUpdateAll(curwin); | |
| 2326 #endif | |
| 2327 } | |
| 7 | 2328 else if (linecnt) /* appended at least one line */ |
| 2329 appended_lines_mark(from, linecnt); | |
| 2330 | |
| 2331 #ifndef ALWAYS_USE_GUI | |
| 2332 /* | |
| 2333 * If we were reading from the same terminal as where messages go, | |
| 2334 * the screen will have been messed up. | |
| 2335 * Switch on raw mode now and clear the screen. | |
| 2336 */ | |
| 2337 if (read_stdin) | |
| 2338 { | |
| 2339 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2340 starttermcap(); | |
| 2341 screenclear(); | |
| 2342 } | |
| 2343 #endif | |
| 2344 | |
| 2345 if (got_int) | |
| 2346 { | |
| 2347 if (!(flags & READ_DUMMY)) | |
| 2348 { | |
| 2349 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2350 if (newfile) | |
| 2351 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2352 } | |
| 2353 msg_scroll = msg_save; | |
| 2354 #ifdef FEAT_VIMINFO | |
| 2355 check_marks_read(); | |
| 2356 #endif | |
| 2357 return OK; /* an interrupt isn't really an error */ | |
| 2358 } | |
| 2359 | |
| 2360 if (!filtering && !(flags & READ_DUMMY)) | |
| 2361 { | |
| 2362 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2363 c = FALSE; | |
| 2364 | |
| 2365 #ifdef UNIX | |
| 2366 # ifdef S_ISFIFO | |
| 2367 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2368 { | |
| 2369 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2370 c = TRUE; | |
| 2371 } | |
| 2372 # else | |
| 2373 # ifdef S_IFIFO | |
| 2374 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2375 { | |
| 2376 STRCAT(IObuff, _("[fifo]")); | |
| 2377 c = TRUE; | |
| 2378 } | |
| 2379 # endif | |
| 2380 # ifdef S_IFSOCK | |
| 2381 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2382 { | |
| 2383 STRCAT(IObuff, _("[socket]")); | |
| 2384 c = TRUE; | |
| 2385 } | |
| 2386 # endif | |
| 2387 # endif | |
| 1313 | 2388 # ifdef OPEN_CHR_FILES |
| 2389 if (S_ISCHR(perm)) /* or character special */ | |
| 2390 { | |
| 2391 STRCAT(IObuff, _("[character special]")); | |
| 2392 c = TRUE; | |
| 2393 } | |
| 2394 # endif | |
| 7 | 2395 #endif |
| 2396 if (curbuf->b_p_ro) | |
| 2397 { | |
| 2398 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2399 c = TRUE; | |
| 2400 } | |
| 2401 if (read_no_eol_lnum) | |
| 2402 { | |
| 2403 msg_add_eol(); | |
| 2404 c = TRUE; | |
| 2405 } | |
| 2406 if (ff_error == EOL_DOS) | |
| 2407 { | |
| 2408 STRCAT(IObuff, _("[CR missing]")); | |
| 2409 c = TRUE; | |
| 2410 } | |
| 2411 if (split) | |
| 2412 { | |
| 2413 STRCAT(IObuff, _("[long lines split]")); | |
| 2414 c = TRUE; | |
| 2415 } | |
| 2416 #ifdef FEAT_MBYTE | |
| 2417 if (notconverted) | |
| 2418 { | |
| 2419 STRCAT(IObuff, _("[NOT converted]")); | |
| 2420 c = TRUE; | |
| 2421 } | |
| 2422 else if (converted) | |
| 2423 { | |
| 2424 STRCAT(IObuff, _("[converted]")); | |
| 2425 c = TRUE; | |
| 2426 } | |
| 2427 #endif | |
| 2428 #ifdef FEAT_CRYPT | |
| 2429 if (cryptkey != NULL) | |
| 2430 { | |
| 2431 STRCAT(IObuff, _("[crypted]")); | |
| 2432 c = TRUE; | |
| 2433 } | |
| 2434 #endif | |
| 2435 #ifdef FEAT_MBYTE | |
| 595 | 2436 if (conv_error != 0) |
| 2437 { | |
| 2438 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2439 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2440 c = TRUE; |
| 2441 } | |
| 2442 else if (illegal_byte > 0) | |
| 2443 { | |
| 2444 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2445 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2446 c = TRUE; | |
| 2447 } | |
| 2448 else | |
| 2449 #endif | |
| 2450 if (error) | |
| 2451 { | |
| 2452 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2453 c = TRUE; | |
| 2454 } | |
| 2455 if (msg_add_fileformat(fileformat)) | |
| 2456 c = TRUE; | |
| 2457 #ifdef FEAT_CRYPT | |
| 2458 if (cryptkey != NULL) | |
| 2459 msg_add_lines(c, (long)linecnt, filesize - CRYPT_MAGIC_LEN); | |
| 2460 else | |
| 2461 #endif | |
| 2462 msg_add_lines(c, (long)linecnt, filesize); | |
| 2463 | |
| 2464 vim_free(keep_msg); | |
| 2465 keep_msg = NULL; | |
| 2466 msg_scrolled_ign = TRUE; | |
| 2467 #ifdef ALWAYS_USE_GUI | |
| 2468 /* Don't show the message when reading stdin, it would end up in a | |
| 2469 * message box (which might be shown when exiting!) */ | |
| 2470 if (read_stdin || read_buffer) | |
| 2471 p = msg_may_trunc(FALSE, IObuff); | |
| 2472 else | |
| 2473 #endif | |
| 2474 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2475 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2476 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2477 /* Need to repeat the message after redrawing when: |
| 2478 * - When reading from stdin (the screen will be cleared next). | |
| 2479 * - When restart_edit is set (otherwise there will be a delay | |
| 2480 * before redrawing). | |
| 2481 * - When the screen was scrolled but there is no wait-return | |
| 2482 * prompt. */ | |
| 679 | 2483 set_keep_msg(p, 0); |
| 7 | 2484 msg_scrolled_ign = FALSE; |
| 2485 } | |
| 2486 | |
| 2487 /* with errors writing the file requires ":w!" */ | |
| 2488 if (newfile && (error | |
| 2489 #ifdef FEAT_MBYTE | |
| 595 | 2490 || conv_error != 0 |
| 679 | 2491 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2492 #endif |
| 2493 )) | |
| 2494 curbuf->b_p_ro = TRUE; | |
| 2495 | |
| 2496 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2497 | |
| 2498 /* | |
| 2499 * In Ex mode: cursor at last new line. | |
| 2500 * Otherwise: cursor at first new line. | |
| 2501 */ | |
| 2502 if (exmode_active) | |
| 2503 curwin->w_cursor.lnum = from + linecnt; | |
| 2504 else | |
| 2505 curwin->w_cursor.lnum = from + 1; | |
| 2506 check_cursor_lnum(); | |
| 2507 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2508 | |
| 2509 /* | |
| 2510 * Set '[ and '] marks to the newly read lines. | |
| 2511 */ | |
| 2512 curbuf->b_op_start.lnum = from + 1; | |
| 2513 curbuf->b_op_start.col = 0; | |
| 2514 curbuf->b_op_end.lnum = from + linecnt; | |
| 2515 curbuf->b_op_end.col = 0; | |
| 696 | 2516 |
| 2517 #ifdef WIN32 | |
| 2518 /* | |
| 2519 * Work around a weird problem: When a file has two links (only | |
| 2520 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2521 * through the other link, the timestamp information may be wrong. |
| 696 | 2522 * It's correct again after reading the file, thus reset the timestamp |
| 2523 * here. | |
| 2524 */ | |
| 2525 if (newfile && !read_stdin && !read_buffer | |
| 2526 && mch_stat((char *)fname, &st) >= 0) | |
| 2527 { | |
| 2528 buf_store_time(curbuf, &st, fname); | |
| 2529 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2530 } | |
| 2531 #endif | |
| 7 | 2532 } |
| 2533 msg_scroll = msg_save; | |
| 2534 | |
| 2535 #ifdef FEAT_VIMINFO | |
| 2536 /* | |
| 2537 * Get the marks before executing autocommands, so they can be used there. | |
| 2538 */ | |
| 2539 check_marks_read(); | |
| 2540 #endif | |
| 2541 | |
| 2542 /* | |
| 2543 * Trick: We remember if the last line of the read didn't have | |
| 2544 * an eol for when writing it again. This is required for | |
| 2545 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
| 2546 */ | |
| 2547 write_no_eol_lnum = read_no_eol_lnum; | |
| 2548 | |
| 167 | 2549 #ifdef FEAT_AUTOCMD |
| 7 | 2550 if (!read_stdin && !read_buffer) |
| 2551 { | |
| 2552 int m = msg_scroll; | |
| 2553 int n = msg_scrolled; | |
| 2554 | |
| 2555 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2556 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2557 if (set_options) |
| 7 | 2558 save_file_ff(curbuf); |
| 2559 | |
| 2560 /* | |
| 2561 * The output from the autocommands should not overwrite anything and | |
| 2562 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2563 * output was done. | |
| 2564 */ | |
| 2565 msg_scroll = TRUE; | |
| 2566 if (filtering) | |
| 2567 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2568 FALSE, curbuf, eap); | |
| 2569 else if (newfile) | |
| 2570 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2571 FALSE, curbuf, eap); | |
| 2572 else | |
| 2573 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2574 FALSE, NULL, eap); | |
| 2575 if (msg_scrolled == n) | |
| 2576 msg_scroll = m; | |
| 2577 #ifdef FEAT_EVAL | |
| 2578 if (aborting()) /* autocmds may abort script processing */ | |
| 2579 return FAIL; | |
| 2580 #endif | |
| 2581 } | |
| 2582 #endif | |
| 2583 | |
| 2584 if (recoverymode && error) | |
| 2585 return FAIL; | |
| 2586 return OK; | |
| 2587 } | |
| 2588 | |
| 1313 | 2589 #ifdef OPEN_CHR_FILES |
| 2590 /* | |
| 2591 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2592 * which is the name of files used for process substitution output by | |
| 2593 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2594 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2595 */ | |
| 2596 static int | |
| 2597 is_dev_fd_file(fname) | |
| 2598 char_u *fname; | |
| 2599 { | |
| 2600 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2601 && VIM_ISDIGIT(fname[8]) | |
| 2602 && *skipdigits(fname + 9) == NUL | |
| 2603 && (fname[9] != NUL | |
| 2604 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2605 } | |
| 2606 #endif | |
| 2607 | |
| 595 | 2608 #ifdef FEAT_MBYTE |
| 2609 | |
| 2610 /* | |
| 2611 * From the current line count and characters read after that, estimate the | |
| 2612 * line number where we are now. | |
| 2613 * Used for error messages that include a line number. | |
| 2614 */ | |
| 2615 static linenr_T | |
| 2616 readfile_linenr(linecnt, p, endp) | |
| 2617 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2618 char_u *p; /* start of more bytes read */ | |
| 2619 char_u *endp; /* end of more bytes read */ | |
| 2620 { | |
| 2621 char_u *s; | |
| 2622 linenr_T lnum; | |
| 2623 | |
| 2624 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2625 for (s = p; s < endp; ++s) | |
| 2626 if (*s == '\n') | |
| 2627 ++lnum; | |
| 2628 return lnum; | |
| 2629 } | |
| 2630 #endif | |
| 2631 | |
| 7 | 2632 /* |
| 612 | 2633 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2634 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2635 * Returns OK or FAIL. |
| 2636 */ | |
| 2637 int | |
| 2638 prep_exarg(eap, buf) | |
| 2639 exarg_T *eap; | |
| 2640 buf_T *buf; | |
| 2641 { | |
| 2642 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2643 #ifdef FEAT_MBYTE | |
| 2644 + STRLEN(buf->b_p_fenc) | |
| 2645 #endif | |
| 2646 + 15)); | |
| 2647 if (eap->cmd == NULL) | |
| 2648 return FAIL; | |
| 2649 | |
| 2650 #ifdef FEAT_MBYTE | |
| 2651 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2652 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2653 eap->bad_char = buf->b_bad_char; |
| 7 | 2654 #else |
| 2655 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2656 #endif | |
| 2657 eap->force_ff = 7; | |
| 612 | 2658 |
| 2659 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2660 eap->read_edit = FALSE; |
| 612 | 2661 eap->forceit = FALSE; |
| 7 | 2662 return OK; |
| 2663 } | |
| 2664 | |
| 2665 #ifdef FEAT_MBYTE | |
| 2666 /* | |
| 2667 * Find next fileencoding to use from 'fileencodings'. | |
| 2668 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2669 * When there are no more items, an empty string is returned and *pp is set to | |
| 2670 * NULL. | |
| 2671 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2672 */ | |
| 2673 static char_u * | |
| 2674 next_fenc(pp) | |
| 2675 char_u **pp; | |
| 2676 { | |
| 2677 char_u *p; | |
| 2678 char_u *r; | |
| 2679 | |
| 2680 if (**pp == NUL) | |
| 2681 { | |
| 2682 *pp = NULL; | |
| 2683 return (char_u *)""; | |
| 2684 } | |
| 2685 p = vim_strchr(*pp, ','); | |
| 2686 if (p == NULL) | |
| 2687 { | |
| 2688 r = enc_canonize(*pp); | |
| 2689 *pp += STRLEN(*pp); | |
| 2690 } | |
| 2691 else | |
| 2692 { | |
| 2693 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2694 *pp = p + 1; | |
| 2695 if (r != NULL) | |
| 2696 { | |
| 2697 p = enc_canonize(r); | |
| 2698 vim_free(r); | |
| 2699 r = p; | |
| 2700 } | |
| 2701 } | |
| 2702 if (r == NULL) /* out of memory */ | |
| 2703 { | |
| 2704 r = (char_u *)""; | |
| 2705 *pp = NULL; | |
| 2706 } | |
| 2707 return r; | |
| 2708 } | |
| 2709 | |
| 2710 # ifdef FEAT_EVAL | |
| 2711 /* | |
| 2712 * Convert a file with the 'charconvert' expression. | |
| 2713 * This closes the file which is to be read, converts it and opens the | |
| 2714 * resulting file for reading. | |
| 2715 * Returns name of the resulting converted file (the caller should delete it | |
| 2716 * after reading it). | |
| 2717 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2718 */ | |
| 2719 static char_u * | |
| 2720 readfile_charconvert(fname, fenc, fdp) | |
| 2721 char_u *fname; /* name of input file */ | |
| 2722 char_u *fenc; /* converted from */ | |
| 2723 int *fdp; /* in/out: file descriptor of file */ | |
| 2724 { | |
| 2725 char_u *tmpname; | |
| 2726 char_u *errmsg = NULL; | |
| 2727 | |
| 2728 tmpname = vim_tempname('r'); | |
| 2729 if (tmpname == NULL) | |
| 2730 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2731 else | |
| 2732 { | |
| 2733 close(*fdp); /* close the input file, ignore errors */ | |
| 2734 *fdp = -1; | |
| 2735 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2736 fname, tmpname) == FAIL) | |
| 2737 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2738 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2739 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2740 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2741 } | |
| 2742 | |
| 2743 if (errmsg != NULL) | |
| 2744 { | |
| 2745 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2746 * another type of conversion might still work. */ | |
| 2747 MSG(errmsg); | |
| 2748 if (tmpname != NULL) | |
| 2749 { | |
| 2750 mch_remove(tmpname); /* delete converted file */ | |
| 2751 vim_free(tmpname); | |
| 2752 tmpname = NULL; | |
| 2753 } | |
| 2754 } | |
| 2755 | |
| 2756 /* If the input file is closed, open it (caller should check for error). */ | |
| 2757 if (*fdp < 0) | |
| 2758 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2759 | |
| 2760 return tmpname; | |
| 2761 } | |
| 2762 # endif | |
| 2763 | |
| 2764 #endif | |
| 2765 | |
| 2766 #ifdef FEAT_VIMINFO | |
| 2767 /* | |
| 2768 * Read marks for the current buffer from the viminfo file, when we support | |
| 2769 * buffer marks and the buffer has a name. | |
| 2770 */ | |
| 2771 static void | |
| 2772 check_marks_read() | |
| 2773 { | |
| 2774 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2775 && curbuf->b_ffname != NULL) | |
| 1733 | 2776 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2777 |
| 2778 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2779 * the ' parameter after opening a buffer. */ | |
| 2780 curbuf->b_marks_read = TRUE; | |
| 2781 } | |
| 2782 #endif | |
| 2783 | |
| 2784 #ifdef FEAT_CRYPT | |
| 2785 /* | |
| 2786 * Check for magic number used for encryption. | |
| 2787 * If found, the magic number is removed from ptr[*sizep] and *sizep and | |
| 2788 * *filesizep are updated. | |
| 2789 * Return the (new) encryption key, NULL for no encryption. | |
| 2790 */ | |
| 2791 static char_u * | |
| 2792 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile) | |
| 2793 char_u *cryptkey; /* previous encryption key or NULL */ | |
| 2794 char_u *ptr; /* pointer to read bytes */ | |
| 2795 long *sizep; /* length of read bytes */ | |
| 2796 long *filesizep; /* nr of bytes used from file */ | |
| 2797 int newfile; /* editing a new buffer */ | |
| 2798 { | |
| 2799 if (*sizep >= CRYPT_MAGIC_LEN | |
| 2800 && STRNCMP(ptr, CRYPT_MAGIC, CRYPT_MAGIC_LEN) == 0) | |
| 2801 { | |
| 2802 if (cryptkey == NULL) | |
| 2803 { | |
| 2804 if (*curbuf->b_p_key) | |
| 2805 cryptkey = curbuf->b_p_key; | |
| 2806 else | |
| 2807 { | |
| 2808 /* When newfile is TRUE, store the typed key | |
| 2809 * in the 'key' option and don't free it. */ | |
| 2810 cryptkey = get_crypt_key(newfile, FALSE); | |
| 2811 /* check if empty key entered */ | |
| 2812 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2813 { | |
| 2814 if (cryptkey != curbuf->b_p_key) | |
| 2815 vim_free(cryptkey); | |
| 2816 cryptkey = NULL; | |
| 2817 } | |
| 2818 } | |
| 2819 } | |
| 2820 | |
| 2821 if (cryptkey != NULL) | |
| 2822 { | |
| 2823 crypt_init_keys(cryptkey); | |
| 2824 | |
| 2825 /* Remove magic number from the text */ | |
| 2826 *filesizep += CRYPT_MAGIC_LEN; | |
| 2827 *sizep -= CRYPT_MAGIC_LEN; | |
| 2828 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN, (size_t)*sizep); | |
| 2829 } | |
| 2830 } | |
| 2831 /* When starting to edit a new file which does not have | |
| 2832 * encryption, clear the 'key' option, except when | |
| 2833 * starting up (called with -x argument) */ | |
| 2834 else if (newfile && *curbuf->b_p_key && !starting) | |
| 2835 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); | |
| 2836 | |
| 2837 return cryptkey; | |
| 2838 } | |
| 2839 #endif | |
| 2840 | |
| 2841 #ifdef UNIX | |
| 2842 static void | |
| 2843 set_file_time(fname, atime, mtime) | |
| 2844 char_u *fname; | |
| 2845 time_t atime; /* access time */ | |
| 2846 time_t mtime; /* modification time */ | |
| 2847 { | |
| 2848 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 2849 struct utimbuf buf; | |
| 2850 | |
| 2851 buf.actime = atime; | |
| 2852 buf.modtime = mtime; | |
| 2853 (void)utime((char *)fname, &buf); | |
| 2854 # else | |
| 2855 # if defined(HAVE_UTIMES) | |
| 2856 struct timeval tvp[2]; | |
| 2857 | |
| 2858 tvp[0].tv_sec = atime; | |
| 2859 tvp[0].tv_usec = 0; | |
| 2860 tvp[1].tv_sec = mtime; | |
| 2861 tvp[1].tv_usec = 0; | |
| 2862 # ifdef NeXT | |
| 2863 (void)utimes((char *)fname, tvp); | |
| 2864 # else | |
| 2865 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 2866 # endif | |
| 2867 # endif | |
| 2868 # endif | |
| 2869 } | |
| 2870 #endif /* UNIX */ | |
| 2871 | |
| 22 | 2872 #if defined(VMS) && !defined(MIN) |
| 2873 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 2874 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 2875 #endif | |
| 2876 | |
| 7 | 2877 /* |
| 1303 | 2878 * Return TRUE if a file appears to be read-only from the file permissions. |
| 2879 */ | |
| 2880 int | |
| 2881 check_file_readonly(fname, perm) | |
| 2882 char_u *fname; /* full path to file */ | |
| 2883 int perm; /* known permissions on file */ | |
| 2884 { | |
| 2885 #ifndef USE_MCH_ACCESS | |
| 2886 int fd = 0; | |
| 2887 #endif | |
| 2888 | |
| 2889 return ( | |
| 2890 #ifdef USE_MCH_ACCESS | |
| 2891 # ifdef UNIX | |
| 2892 (perm & 0222) == 0 || | |
| 2893 # endif | |
| 2894 mch_access((char *)fname, W_OK) | |
| 2895 #else | |
| 2896 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 2897 ? TRUE : (close(fd), FALSE) | |
| 2898 #endif | |
| 2899 ); | |
| 2900 } | |
| 2901 | |
| 2902 | |
| 2903 /* | |
| 589 | 2904 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 2905 * |
| 2906 * We do our own buffering here because fwrite() is so slow. | |
| 2907 * | |
| 589 | 2908 * If "forceit" is true, we don't care for errors when attempting backups. |
| 2909 * In case of an error everything possible is done to restore the original | |
| 1698 | 2910 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 2911 * |
| 2912 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 2913 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 2914 * |
| 2915 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 2916 * | |
| 2917 * return FAIL for failure, OK otherwise | |
| 2918 */ | |
| 2919 int | |
| 2920 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 2921 reset_changed, filtering) | |
| 2922 buf_T *buf; | |
| 2923 char_u *fname; | |
| 2924 char_u *sfname; | |
| 2925 linenr_T start, end; | |
| 2926 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 2927 NULL! */ | |
| 589 | 2928 int append; /* append to the file */ |
| 7 | 2929 int forceit; |
| 2930 int reset_changed; | |
| 2931 int filtering; | |
| 2932 { | |
| 2933 int fd; | |
| 2934 char_u *backup = NULL; | |
| 2935 int backup_copy = FALSE; /* copy the original file? */ | |
| 2936 int dobackup; | |
| 2937 char_u *ffname; | |
| 2938 char_u *wfname = NULL; /* name of file to write to */ | |
| 2939 char_u *s; | |
| 2940 char_u *ptr; | |
| 2941 char_u c; | |
| 2942 int len; | |
| 2943 linenr_T lnum; | |
| 2944 long nchars; | |
| 2945 char_u *errmsg = NULL; | |
| 1947 | 2946 int errmsg_allocated = FALSE; |
| 7 | 2947 char_u *errnum = NULL; |
| 2948 char_u *buffer; | |
| 2949 char_u smallbuf[SMBUFSIZE]; | |
| 2950 char_u *backup_ext; | |
| 2951 int bufsize; | |
| 2952 long perm; /* file permissions */ | |
| 2953 int retval = OK; | |
| 2954 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 2955 int msg_save = msg_scroll; | |
| 2956 int overwriting; /* TRUE if writing over original */ | |
| 2957 int no_eol = FALSE; /* no end-of-line written */ | |
| 2958 int device = FALSE; /* writing to a device */ | |
| 2959 struct stat st_old; | |
| 2960 int prev_got_int = got_int; | |
| 2961 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 2962 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 2963 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 2964 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 2965 #endif | |
| 2966 /* writing everything */ | |
| 2967 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 2968 #ifdef FEAT_AUTOCMD | |
| 2969 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 2970 #endif | |
| 2971 int attr; | |
| 2972 int fileformat; | |
| 2973 int write_bin; | |
| 2974 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 2975 #ifdef FEAT_MBYTE | |
| 2976 int converted = FALSE; | |
| 2977 int notconverted = FALSE; | |
| 2978 char_u *fenc; /* effective 'fileencoding' */ | |
| 2979 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 2980 #endif | |
| 2981 #ifdef HAS_BW_FLAGS | |
| 2982 int wb_flags = 0; | |
| 2983 #endif | |
| 2984 #ifdef HAVE_ACL | |
| 2985 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 2986 backup or new file */ | |
| 2987 #endif | |
| 2988 | |
| 2989 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 2990 return FAIL; | |
| 2028 | 2991 if (buf->b_ml.ml_mfp == NULL) |
| 2992 { | |
| 2993 /* This can happen during startup when there is a stray "w" in the | |
| 2994 * vimrc file. */ | |
| 2995 EMSG(_(e_emptybuf)); | |
| 2996 return FAIL; | |
| 2997 } | |
| 7 | 2998 |
| 2999 /* | |
| 3000 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3001 * security reasons. | |
| 3002 */ | |
| 3003 if (check_secure()) | |
| 3004 return FAIL; | |
| 3005 | |
| 3006 /* Avoid a crash for a long name. */ | |
| 3007 if (STRLEN(fname) >= MAXPATHL) | |
| 3008 { | |
| 3009 EMSG(_(e_longname)); | |
| 3010 return FAIL; | |
| 3011 } | |
| 3012 | |
| 3013 #ifdef FEAT_MBYTE | |
| 3014 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3015 write_info.bw_conv_buf = NULL; | |
| 3016 write_info.bw_conv_error = FALSE; | |
| 1947 | 3017 write_info.bw_conv_error_lnum = 0; |
| 7 | 3018 write_info.bw_restlen = 0; |
| 3019 # ifdef USE_ICONV | |
| 3020 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3021 # endif | |
| 3022 #endif | |
| 3023 | |
| 167 | 3024 /* After writing a file changedtick changes but we don't want to display |
| 3025 * the line. */ | |
| 3026 ex_no_reprint = TRUE; | |
| 3027 | |
| 7 | 3028 /* |
| 3029 * If there is no file name yet, use the one for the written file. | |
| 3030 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3031 * Don't do this when the write is for a filter command. | |
| 589 | 3032 * Don't do this when appending. |
| 3033 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3034 */ |
| 633 | 3035 if (buf->b_ffname == NULL |
| 3036 && reset_changed | |
| 7 | 3037 && whole |
| 3038 && buf == curbuf | |
| 236 | 3039 #ifdef FEAT_QUICKFIX |
| 3040 && !bt_nofile(buf) | |
| 3041 #endif | |
| 7 | 3042 && !filtering |
| 589 | 3043 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3044 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3045 { | |
| 633 | 3046 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3047 return FAIL; |
| 633 | 3048 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3049 } |
| 3050 | |
| 3051 if (sfname == NULL) | |
| 3052 sfname = fname; | |
| 3053 /* | |
| 3054 * For Unix: Use the short file name whenever possible. | |
| 3055 * Avoids problems with networks and when directory names are changed. | |
| 3056 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3057 * another directory, which we don't detect | |
| 3058 */ | |
| 3059 ffname = fname; /* remember full fname */ | |
| 3060 #ifdef UNIX | |
| 3061 fname = sfname; | |
| 3062 #endif | |
| 3063 | |
| 3064 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3065 overwriting = TRUE; | |
| 3066 else | |
| 3067 overwriting = FALSE; | |
| 3068 | |
| 3069 if (exiting) | |
| 3070 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
| 3071 | |
| 3072 ++no_wait_return; /* don't wait for return yet */ | |
| 3073 | |
| 3074 /* | |
| 3075 * Set '[ and '] marks to the lines to be written. | |
| 3076 */ | |
| 3077 buf->b_op_start.lnum = start; | |
| 3078 buf->b_op_start.col = 0; | |
| 3079 buf->b_op_end.lnum = end; | |
| 3080 buf->b_op_end.col = 0; | |
| 3081 | |
| 3082 #ifdef FEAT_AUTOCMD | |
| 3083 { | |
| 3084 aco_save_T aco; | |
| 3085 int buf_ffname = FALSE; | |
| 3086 int buf_sfname = FALSE; | |
| 3087 int buf_fname_f = FALSE; | |
| 3088 int buf_fname_s = FALSE; | |
| 3089 int did_cmd = FALSE; | |
| 17 | 3090 int nofile_err = FALSE; |
| 161 | 3091 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3092 |
| 3093 /* | |
| 3094 * Apply PRE aucocommands. | |
| 3095 * Set curbuf to the buffer to be written. | |
| 3096 * Careful: The autocommands may call buf_write() recursively! | |
| 3097 */ | |
| 3098 if (ffname == buf->b_ffname) | |
| 3099 buf_ffname = TRUE; | |
| 3100 if (sfname == buf->b_sfname) | |
| 3101 buf_sfname = TRUE; | |
| 3102 if (fname == buf->b_ffname) | |
| 3103 buf_fname_f = TRUE; | |
| 3104 if (fname == buf->b_sfname) | |
| 3105 buf_fname_s = TRUE; | |
| 3106 | |
| 3107 /* set curwin/curbuf to buf and save a few things */ | |
| 3108 aucmd_prepbuf(&aco, buf); | |
| 3109 | |
| 3110 if (append) | |
| 3111 { | |
| 3112 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3113 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3114 { |
| 635 | 3115 #ifdef FEAT_QUICKFIX |
| 18 | 3116 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3117 nofile_err = TRUE; |
| 3118 else | |
| 635 | 3119 #endif |
| 17 | 3120 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3121 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3122 } |
| 7 | 3123 } |
| 3124 else if (filtering) | |
| 3125 { | |
| 3126 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3127 NULL, sfname, FALSE, curbuf, eap); | |
| 3128 } | |
| 3129 else if (reset_changed && whole) | |
| 3130 { | |
| 3131 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3132 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3133 { |
| 635 | 3134 #ifdef FEAT_QUICKFIX |
| 179 | 3135 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3136 nofile_err = TRUE; |
| 3137 else | |
| 635 | 3138 #endif |
| 17 | 3139 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3140 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3141 } |
| 7 | 3142 } |
| 3143 else | |
| 3144 { | |
| 3145 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3146 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3147 { |
| 635 | 3148 #ifdef FEAT_QUICKFIX |
| 179 | 3149 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3150 nofile_err = TRUE; |
| 3151 else | |
| 635 | 3152 #endif |
| 17 | 3153 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3154 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3155 } |
| 7 | 3156 } |
| 3157 | |
| 3158 /* restore curwin/curbuf and a few other things */ | |
| 3159 aucmd_restbuf(&aco); | |
| 3160 | |
| 3161 /* | |
| 3162 * In three situations we return here and don't write the file: | |
| 3163 * 1. the autocommands deleted or unloaded the buffer. | |
| 3164 * 2. The autocommands abort script processing. | |
| 3165 * 3. If one of the "Cmd" autocommands was executed. | |
| 3166 */ | |
| 3167 if (!buf_valid(buf)) | |
| 3168 buf = NULL; | |
| 161 | 3169 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3170 || did_cmd || nofile_err |
| 3171 #ifdef FEAT_EVAL | |
| 3172 || aborting() | |
| 3173 #endif | |
| 3174 ) | |
| 7 | 3175 { |
| 3176 --no_wait_return; | |
| 3177 msg_scroll = msg_save; | |
| 17 | 3178 if (nofile_err) |
| 3179 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3180 | |
| 532 | 3181 if (nofile_err |
| 3182 #ifdef FEAT_EVAL | |
| 3183 || aborting() | |
| 3184 #endif | |
| 3185 ) | |
| 7 | 3186 /* An aborting error, interrupt or exception in the |
| 3187 * autocommands. */ | |
| 3188 return FAIL; | |
| 3189 if (did_cmd) | |
| 3190 { | |
| 3191 if (buf == NULL) | |
| 3192 /* The buffer was deleted. We assume it was written | |
| 3193 * (can't retry anyway). */ | |
| 3194 return OK; | |
| 3195 if (overwriting) | |
| 3196 { | |
| 3197 /* Assume the buffer was written, update the timestamp. */ | |
| 3198 ml_timestamp(buf); | |
| 589 | 3199 if (append) |
| 3200 buf->b_flags &= ~BF_NEW; | |
| 3201 else | |
| 3202 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3203 } |
| 589 | 3204 if (reset_changed && buf->b_changed && !append |
| 39 | 3205 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3206 /* Buffer still changed, the autocommands didn't work |
| 3207 * properly. */ | |
| 3208 return FAIL; | |
| 3209 return OK; | |
| 3210 } | |
| 3211 #ifdef FEAT_EVAL | |
| 3212 if (!aborting()) | |
| 3213 #endif | |
| 3214 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3215 return FAIL; | |
| 3216 } | |
| 3217 | |
| 3218 /* | |
| 3219 * The autocommands may have changed the number of lines in the file. | |
| 3220 * When writing the whole file, adjust the end. | |
| 3221 * When writing part of the file, assume that the autocommands only | |
| 3222 * changed the number of lines that are to be written (tricky!). | |
| 3223 */ | |
| 3224 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3225 { | |
| 3226 if (whole) /* write all */ | |
| 3227 end = buf->b_ml.ml_line_count; | |
| 3228 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3229 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3230 else /* less lines */ | |
| 3231 { | |
| 3232 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3233 if (end < start) | |
| 3234 { | |
| 3235 --no_wait_return; | |
| 3236 msg_scroll = msg_save; | |
| 3237 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3238 return FAIL; | |
| 3239 } | |
| 3240 } | |
| 3241 } | |
| 3242 | |
| 3243 /* | |
| 3244 * The autocommands may have changed the name of the buffer, which may | |
| 3245 * be kept in fname, ffname and sfname. | |
| 3246 */ | |
| 3247 if (buf_ffname) | |
| 3248 ffname = buf->b_ffname; | |
| 3249 if (buf_sfname) | |
| 3250 sfname = buf->b_sfname; | |
| 3251 if (buf_fname_f) | |
| 3252 fname = buf->b_ffname; | |
| 3253 if (buf_fname_s) | |
| 3254 fname = buf->b_sfname; | |
| 3255 } | |
| 3256 #endif | |
| 3257 | |
| 3258 #ifdef FEAT_NETBEANS_INTG | |
| 3259 if (usingNetbeans && isNetbeansBuffer(buf)) | |
| 3260 { | |
| 3261 if (whole) | |
| 3262 { | |
| 3263 /* | |
| 3264 * b_changed can be 0 after an undo, but we still need to write | |
| 3265 * the buffer to NetBeans. | |
| 3266 */ | |
| 3267 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3268 { | |
| 33 | 3269 --no_wait_return; /* may wait for return now */ |
| 3270 msg_scroll = msg_save; | |
| 3271 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3272 return retval; |
| 3273 } | |
| 3274 else | |
| 3275 { | |
| 3276 errnum = (char_u *)"E656: "; | |
| 1653 | 3277 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3278 buffer = NULL; |
| 3279 goto fail; | |
| 3280 } | |
| 3281 } | |
| 3282 else | |
| 3283 { | |
| 3284 errnum = (char_u *)"E657: "; | |
| 3285 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3286 buffer = NULL; | |
| 3287 goto fail; | |
| 3288 } | |
| 3289 } | |
| 3290 #endif | |
| 3291 | |
| 3292 if (shortmess(SHM_OVER) && !exiting) | |
| 3293 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3294 else | |
| 3295 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3296 if (!filtering) | |
| 3297 filemess(buf, | |
| 3298 #ifndef UNIX | |
| 3299 sfname, | |
| 3300 #else | |
| 3301 fname, | |
| 3302 #endif | |
| 3303 (char_u *)"", 0); /* show that we are busy */ | |
| 3304 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3305 | |
| 3306 buffer = alloc(BUFSIZE); | |
| 3307 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3308 * one (to be able to write when out of | |
| 3309 * memory) */ | |
| 3310 { | |
| 3311 buffer = smallbuf; | |
| 3312 bufsize = SMBUFSIZE; | |
| 3313 } | |
| 3314 else | |
| 3315 bufsize = BUFSIZE; | |
| 3316 | |
| 3317 /* | |
| 3318 * Get information about original file (if there is one). | |
| 3319 */ | |
| 3320 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3321 st_old.st_dev = 0; |
| 3322 st_old.st_ino = 0; | |
| 7 | 3323 perm = -1; |
| 3324 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3325 newfile = TRUE; | |
| 3326 else | |
| 3327 { | |
| 3328 perm = st_old.st_mode; | |
| 3329 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3330 { | |
| 3331 if (S_ISDIR(st_old.st_mode)) | |
| 3332 { | |
| 3333 errnum = (char_u *)"E502: "; | |
| 3334 errmsg = (char_u *)_("is a directory"); | |
| 3335 goto fail; | |
| 3336 } | |
| 3337 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3338 { | |
| 3339 errnum = (char_u *)"E503: "; | |
| 3340 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3341 goto fail; | |
| 3342 } | |
| 3343 /* It's a device of some kind (or a fifo) which we can write to | |
| 3344 * but for which we can't make a backup. */ | |
| 3345 device = TRUE; | |
| 3346 newfile = TRUE; | |
| 3347 perm = -1; | |
| 3348 } | |
| 3349 } | |
| 3350 #else /* !UNIX */ | |
| 3351 /* | |
| 3352 * Check for a writable device name. | |
| 3353 */ | |
| 3354 c = mch_nodetype(fname); | |
| 3355 if (c == NODE_OTHER) | |
| 3356 { | |
| 3357 errnum = (char_u *)"E503: "; | |
| 3358 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3359 goto fail; | |
| 3360 } | |
| 3361 if (c == NODE_WRITABLE) | |
| 3362 { | |
| 1004 | 3363 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3364 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3365 * trying to write to it. */ | |
| 3366 if (!p_odev) | |
| 3367 { | |
| 3368 errnum = (char_u *)"E796: "; | |
| 3369 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3370 goto fail; | |
| 3371 } | |
| 3372 # endif | |
| 7 | 3373 device = TRUE; |
| 3374 newfile = TRUE; | |
| 3375 perm = -1; | |
| 3376 } | |
| 3377 else | |
| 3378 { | |
| 3379 perm = mch_getperm(fname); | |
| 3380 if (perm < 0) | |
| 3381 newfile = TRUE; | |
| 3382 else if (mch_isdir(fname)) | |
| 3383 { | |
| 3384 errnum = (char_u *)"E502: "; | |
| 3385 errmsg = (char_u *)_("is a directory"); | |
| 3386 goto fail; | |
| 3387 } | |
| 3388 if (overwriting) | |
| 3389 (void)mch_stat((char *)fname, &st_old); | |
| 3390 } | |
| 3391 #endif /* !UNIX */ | |
| 3392 | |
| 3393 if (!device && !newfile) | |
| 3394 { | |
| 3395 /* | |
| 3396 * Check if the file is really writable (when renaming the file to | |
| 3397 * make a backup we won't discover it later). | |
| 3398 */ | |
| 1303 | 3399 file_readonly = check_file_readonly(fname, (int)perm); |
| 3400 | |
| 7 | 3401 if (!forceit && file_readonly) |
| 3402 { | |
| 3403 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3404 { | |
| 3405 errnum = (char_u *)"E504: "; | |
| 3406 errmsg = (char_u *)_(err_readonly); | |
| 3407 } | |
| 3408 else | |
| 3409 { | |
| 3410 errnum = (char_u *)"E505: "; | |
| 3411 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3412 } | |
| 3413 goto fail; | |
| 3414 } | |
| 3415 | |
| 3416 /* | |
| 3417 * Check if the timestamp hasn't changed since reading the file. | |
| 3418 */ | |
| 3419 if (overwriting) | |
| 3420 { | |
| 3421 retval = check_mtime(buf, &st_old); | |
| 3422 if (retval == FAIL) | |
| 3423 goto fail; | |
| 3424 } | |
| 3425 } | |
| 3426 | |
| 3427 #ifdef HAVE_ACL | |
| 3428 /* | |
| 3429 * For systems that support ACL: get the ACL from the original file. | |
| 3430 */ | |
| 3431 if (!newfile) | |
| 3432 acl = mch_get_acl(fname); | |
| 3433 #endif | |
| 3434 | |
| 3435 /* | |
| 3436 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3437 */ | |
| 3438 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3439 #ifdef FEAT_WILDIGN | |
| 3440 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3441 dobackup = FALSE; | |
| 3442 #endif | |
| 3443 | |
| 3444 /* | |
| 3445 * Save the value of got_int and reset it. We don't want a previous | |
| 3446 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3447 * abort it. | |
| 3448 */ | |
| 3449 prev_got_int = got_int; | |
| 3450 got_int = FALSE; | |
| 3451 | |
| 3452 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3453 buf->b_saving = TRUE; | |
| 3454 | |
| 3455 /* | |
| 3456 * If we are not appending or filtering, the file exists, and the | |
| 3457 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3458 * When 'patchmode' is set also make a backup when appending. | |
| 3459 * | |
| 3460 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3461 * off. This helps when editing large files on almost-full disks. | |
| 3462 */ | |
| 3463 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3464 { | |
| 3465 #if defined(UNIX) || defined(WIN32) | |
| 3466 struct stat st; | |
| 3467 #endif | |
| 3468 | |
| 3469 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3470 backup_copy = TRUE; | |
| 3471 #if defined(UNIX) || defined(WIN32) | |
| 3472 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3473 { | |
| 3474 int i; | |
| 3475 | |
| 3476 # ifdef UNIX | |
| 3477 /* | |
| 3478 * Don't rename the file when: | |
| 3479 * - it's a hard link | |
| 3480 * - it's a symbolic link | |
| 3481 * - we don't have write permission in the directory | |
| 3482 * - we can't set the owner/group of the new file | |
| 3483 */ | |
| 3484 if (st_old.st_nlink > 1 | |
| 3485 || mch_lstat((char *)fname, &st) < 0 | |
| 3486 || st.st_dev != st_old.st_dev | |
| 557 | 3487 || st.st_ino != st_old.st_ino |
| 3488 # ifndef HAVE_FCHOWN | |
| 3489 || st.st_uid != st_old.st_uid | |
| 3490 || st.st_gid != st_old.st_gid | |
| 3491 # endif | |
| 3492 ) | |
| 7 | 3493 backup_copy = TRUE; |
| 3494 else | |
| 696 | 3495 # else |
| 3496 # ifdef WIN32 | |
| 3497 /* On NTFS file systems hard links are possible. */ | |
| 3498 if (mch_is_linked(fname)) | |
| 3499 backup_copy = TRUE; | |
| 3500 else | |
| 3501 # endif | |
| 7 | 3502 # endif |
| 3503 { | |
| 3504 /* | |
| 3505 * Check if we can create a file and set the owner/group to | |
| 3506 * the ones from the original file. | |
| 3507 * First find a file name that doesn't exist yet (use some | |
| 3508 * arbitrary numbers). | |
| 3509 */ | |
| 3510 STRCPY(IObuff, fname); | |
| 3511 for (i = 4913; ; i += 123) | |
| 3512 { | |
| 3513 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3514 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3515 break; |
| 3516 } | |
| 557 | 3517 fd = mch_open((char *)IObuff, |
| 3518 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3519 if (fd < 0) /* can't write in directory */ |
| 3520 backup_copy = TRUE; | |
| 3521 else | |
| 3522 { | |
| 3523 # ifdef UNIX | |
| 557 | 3524 # ifdef HAVE_FCHOWN |
| 1757 | 3525 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3526 # endif |
| 7 | 3527 if (mch_stat((char *)IObuff, &st) < 0 |
| 3528 || st.st_uid != st_old.st_uid | |
| 3529 || st.st_gid != st_old.st_gid | |
| 1877 | 3530 || (long)st.st_mode != perm) |
| 7 | 3531 backup_copy = TRUE; |
| 3532 # endif | |
| 567 | 3533 /* Close the file before removing it, on MS-Windows we |
| 3534 * can't delete an open file. */ | |
| 3535 close(fd); | |
| 7 | 3536 mch_remove(IObuff); |
| 3537 } | |
| 3538 } | |
| 3539 } | |
| 3540 | |
| 3541 # ifdef UNIX | |
| 3542 /* | |
| 3543 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3544 */ | |
| 3545 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3546 { | |
| 3547 int lstat_res; | |
| 3548 | |
| 3549 lstat_res = mch_lstat((char *)fname, &st); | |
| 3550 | |
| 3551 /* Symlinks. */ | |
| 3552 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3553 && lstat_res == 0 | |
| 3554 && st.st_ino != st_old.st_ino) | |
| 3555 backup_copy = FALSE; | |
| 3556 | |
| 3557 /* Hardlinks. */ | |
| 3558 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3559 && st_old.st_nlink > 1 | |
| 3560 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3561 backup_copy = FALSE; | |
| 3562 } | |
| 3563 #endif | |
| 3564 | |
| 3565 #endif | |
| 3566 | |
| 3567 /* make sure we have a valid backup extension to use */ | |
| 3568 if (*p_bex == NUL) | |
| 3569 { | |
| 3570 #ifdef RISCOS | |
| 3571 backup_ext = (char_u *)"/bak"; | |
| 3572 #else | |
| 3573 backup_ext = (char_u *)".bak"; | |
| 3574 #endif | |
| 3575 } | |
| 3576 else | |
| 3577 backup_ext = p_bex; | |
| 3578 | |
| 3579 if (backup_copy | |
| 3580 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3581 { | |
| 3582 int bfd; | |
| 3583 char_u *copybuf, *wp; | |
| 3584 int some_error = FALSE; | |
| 3585 struct stat st_new; | |
| 3586 char_u *dirp; | |
| 3587 char_u *rootname; | |
| 344 | 3588 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3589 int did_set_shortname; |
| 3590 #endif | |
| 3591 | |
| 3592 copybuf = alloc(BUFSIZE + 1); | |
| 3593 if (copybuf == NULL) | |
| 3594 { | |
| 3595 some_error = TRUE; /* out of memory */ | |
| 3596 goto nobackup; | |
| 3597 } | |
| 3598 | |
| 3599 /* | |
| 3600 * Try to make the backup in each directory in the 'bdir' option. | |
| 3601 * | |
| 3602 * Unix semantics has it, that we may have a writable file, | |
| 3603 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3604 * - the directory is not writable, | |
| 3605 * - the file may be a symbolic link, | |
| 3606 * - the file may belong to another user/group, etc. | |
| 3607 * | |
| 3608 * For these reasons, the existing writable file must be truncated | |
| 3609 * and reused. Creation of a backup COPY will be attempted. | |
| 3610 */ | |
| 3611 dirp = p_bdir; | |
| 3612 while (*dirp) | |
| 3613 { | |
| 3614 #ifdef UNIX | |
| 3615 st_new.st_ino = 0; | |
| 3616 st_new.st_dev = 0; | |
| 3617 st_new.st_gid = 0; | |
| 3618 #endif | |
| 3619 | |
| 3620 /* | |
| 3621 * Isolate one directory name, using an entry in 'bdir'. | |
| 3622 */ | |
| 3623 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3624 rootname = get_file_in_dir(fname, copybuf); | |
| 3625 if (rootname == NULL) | |
| 3626 { | |
| 3627 some_error = TRUE; /* out of memory */ | |
| 3628 goto nobackup; | |
| 3629 } | |
| 3630 | |
| 344 | 3631 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3632 did_set_shortname = FALSE; |
| 3633 #endif | |
| 3634 | |
| 3635 /* | |
| 3636 * May try twice if 'shortname' not set. | |
| 3637 */ | |
| 3638 for (;;) | |
| 3639 { | |
| 3640 /* | |
| 3641 * Make backup file name. | |
| 3642 */ | |
| 3643 backup = buf_modname( | |
| 3644 #ifdef SHORT_FNAME | |
| 3645 TRUE, | |
| 3646 #else | |
| 3647 (buf->b_p_sn || buf->b_shortname), | |
| 3648 #endif | |
| 3649 rootname, backup_ext, FALSE); | |
| 3650 if (backup == NULL) | |
| 3651 { | |
| 3652 vim_free(rootname); | |
| 3653 some_error = TRUE; /* out of memory */ | |
| 3654 goto nobackup; | |
| 3655 } | |
| 3656 | |
| 3657 /* | |
| 3658 * Check if backup file already exists. | |
| 3659 */ | |
| 3660 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3661 { | |
| 3662 #ifdef UNIX | |
| 3663 /* | |
| 3664 * Check if backup file is same as original file. | |
| 3665 * May happen when modname() gave the same file back. | |
| 3666 * E.g. silly link, or file name-length reached. | |
| 3667 * If we don't check here, we either ruin the file | |
| 3668 * when copying or erase it after writing. jw. | |
| 3669 */ | |
| 3670 if (st_new.st_dev == st_old.st_dev | |
| 3671 && st_new.st_ino == st_old.st_ino) | |
| 3672 { | |
| 3673 vim_free(backup); | |
| 3674 backup = NULL; /* no backup file to delete */ | |
| 3675 # ifndef SHORT_FNAME | |
| 3676 /* | |
| 3677 * may try again with 'shortname' set | |
| 3678 */ | |
| 3679 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3680 { | |
| 3681 buf->b_shortname = TRUE; | |
| 3682 did_set_shortname = TRUE; | |
| 3683 continue; | |
| 3684 } | |
| 3685 /* setting shortname didn't help */ | |
| 3686 if (did_set_shortname) | |
| 3687 buf->b_shortname = FALSE; | |
| 3688 # endif | |
| 3689 break; | |
| 3690 } | |
| 3691 #endif | |
| 3692 | |
| 3693 /* | |
| 3694 * If we are not going to keep the backup file, don't | |
| 3695 * delete an existing one, try to use another name. | |
| 3696 * Change one character, just before the extension. | |
| 3697 */ | |
| 3698 if (!p_bk) | |
| 3699 { | |
| 3700 wp = backup + STRLEN(backup) - 1 | |
| 3701 - STRLEN(backup_ext); | |
| 3702 if (wp < backup) /* empty file name ??? */ | |
| 3703 wp = backup; | |
| 3704 *wp = 'z'; | |
| 3705 while (*wp > 'a' | |
| 3706 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3707 --*wp; | |
| 3708 /* They all exist??? Must be something wrong. */ | |
| 3709 if (*wp == 'a') | |
| 3710 { | |
| 3711 vim_free(backup); | |
| 3712 backup = NULL; | |
| 3713 } | |
| 3714 } | |
| 3715 } | |
| 3716 break; | |
| 3717 } | |
| 3718 vim_free(rootname); | |
| 3719 | |
| 3720 /* | |
| 3721 * Try to create the backup file | |
| 3722 */ | |
| 3723 if (backup != NULL) | |
| 3724 { | |
| 3725 /* remove old backup, if present */ | |
| 3726 mch_remove(backup); | |
| 3727 /* Open with O_EXCL to avoid the file being created while | |
| 3728 * we were sleeping (symlink hacker attack?) */ | |
| 3729 bfd = mch_open((char *)backup, | |
| 557 | 3730 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 3731 perm & 0777); | |
| 7 | 3732 if (bfd < 0) |
| 3733 { | |
| 3734 vim_free(backup); | |
| 3735 backup = NULL; | |
| 3736 } | |
| 3737 else | |
| 3738 { | |
| 3739 /* set file protection same as original file, but | |
| 3740 * strip s-bit */ | |
| 3741 (void)mch_setperm(backup, perm & 0777); | |
| 3742 | |
| 3743 #ifdef UNIX | |
| 3744 /* | |
| 3745 * Try to set the group of the backup same as the | |
| 3746 * original file. If this fails, set the protection | |
| 3747 * bits for the group same as the protection bits for | |
| 3748 * others. | |
| 3749 */ | |
| 557 | 3750 if (st_new.st_gid != st_old.st_gid |
| 7 | 3751 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 3752 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 3753 # endif |
| 3754 ) | |
| 3755 mch_setperm(backup, | |
| 3756 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 3757 # ifdef HAVE_SELINUX |
| 3758 mch_copy_sec(fname, backup); | |
| 3759 # endif | |
| 7 | 3760 #endif |
| 3761 | |
| 3762 /* | |
| 3763 * copy the file. | |
| 3764 */ | |
| 3765 write_info.bw_fd = bfd; | |
| 3766 write_info.bw_buf = copybuf; | |
| 3767 #ifdef HAS_BW_FLAGS | |
| 3768 write_info.bw_flags = FIO_NOCONVERT; | |
| 3769 #endif | |
| 3770 while ((write_info.bw_len = vim_read(fd, copybuf, | |
| 3771 BUFSIZE)) > 0) | |
| 3772 { | |
| 3773 if (buf_write_bytes(&write_info) == FAIL) | |
| 3774 { | |
| 3775 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 3776 break; | |
| 3777 } | |
| 3778 ui_breakcheck(); | |
| 3779 if (got_int) | |
| 3780 { | |
| 3781 errmsg = (char_u *)_(e_interr); | |
| 3782 break; | |
| 3783 } | |
| 3784 } | |
| 3785 | |
| 3786 if (close(bfd) < 0 && errmsg == NULL) | |
| 3787 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 3788 if (write_info.bw_len < 0) | |
| 3789 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 3790 #ifdef UNIX | |
| 3791 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 3792 #endif | |
| 3793 #ifdef HAVE_ACL | |
| 3794 mch_set_acl(backup, acl); | |
| 3795 #endif | |
| 1583 | 3796 #ifdef HAVE_SELINUX |
| 3797 mch_copy_sec(fname, backup); | |
| 3798 #endif | |
| 7 | 3799 break; |
| 3800 } | |
| 3801 } | |
| 3802 } | |
| 3803 nobackup: | |
| 3804 close(fd); /* ignore errors for closing read file */ | |
| 3805 vim_free(copybuf); | |
| 3806 | |
| 3807 if (backup == NULL && errmsg == NULL) | |
| 3808 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 3809 /* ignore errors when forceit is TRUE */ | |
| 3810 if ((some_error || errmsg != NULL) && !forceit) | |
| 3811 { | |
| 3812 retval = FAIL; | |
| 3813 goto fail; | |
| 3814 } | |
| 3815 errmsg = NULL; | |
| 3816 } | |
| 3817 else | |
| 3818 { | |
| 3819 char_u *dirp; | |
| 3820 char_u *p; | |
| 3821 char_u *rootname; | |
| 3822 | |
| 3823 /* | |
| 3824 * Make a backup by renaming the original file. | |
| 3825 */ | |
| 3826 /* | |
| 3827 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 3828 * overwrite a read-only file. But rename may be possible | |
| 3829 * anyway, thus we need an extra check here. | |
| 3830 */ | |
| 3831 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3832 { | |
| 3833 errnum = (char_u *)"E504: "; | |
| 3834 errmsg = (char_u *)_(err_readonly); | |
| 3835 goto fail; | |
| 3836 } | |
| 3837 | |
| 3838 /* | |
| 3839 * | |
| 3840 * Form the backup file name - change path/fo.o.h to | |
| 3841 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 3842 * that works is used. | |
| 3843 */ | |
| 3844 dirp = p_bdir; | |
| 3845 while (*dirp) | |
| 3846 { | |
| 3847 /* | |
| 3848 * Isolate one directory name and make the backup file name. | |
| 3849 */ | |
| 3850 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 3851 rootname = get_file_in_dir(fname, IObuff); | |
| 3852 if (rootname == NULL) | |
| 3853 backup = NULL; | |
| 3854 else | |
| 3855 { | |
| 3856 backup = buf_modname( | |
| 3857 #ifdef SHORT_FNAME | |
| 3858 TRUE, | |
| 3859 #else | |
| 3860 (buf->b_p_sn || buf->b_shortname), | |
| 3861 #endif | |
| 3862 rootname, backup_ext, FALSE); | |
| 3863 vim_free(rootname); | |
| 3864 } | |
| 3865 | |
| 3866 if (backup != NULL) | |
| 3867 { | |
| 3868 /* | |
| 3869 * If we are not going to keep the backup file, don't | |
| 3870 * delete an existing one, try to use another name. | |
| 3871 * Change one character, just before the extension. | |
| 3872 */ | |
| 3873 if (!p_bk && mch_getperm(backup) >= 0) | |
| 3874 { | |
| 3875 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 3876 if (p < backup) /* empty file name ??? */ | |
| 3877 p = backup; | |
| 3878 *p = 'z'; | |
| 3879 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 3880 --*p; | |
| 3881 /* They all exist??? Must be something wrong! */ | |
| 3882 if (*p == 'a') | |
| 3883 { | |
| 3884 vim_free(backup); | |
| 3885 backup = NULL; | |
| 3886 } | |
| 3887 } | |
| 3888 } | |
| 3889 if (backup != NULL) | |
| 3890 { | |
| 3891 /* | |
| 531 | 3892 * Delete any existing backup and move the current version |
| 3893 * to the backup. For safety, we don't remove the backup | |
| 3894 * until the write has finished successfully. And if the | |
| 3895 * 'backup' option is set, leave it around. | |
| 7 | 3896 */ |
| 3897 /* | |
| 3898 * If the renaming of the original file to the backup file | |
| 3899 * works, quit here. | |
| 3900 */ | |
| 3901 if (vim_rename(fname, backup) == 0) | |
| 3902 break; | |
| 3903 | |
| 3904 vim_free(backup); /* don't do the rename below */ | |
| 3905 backup = NULL; | |
| 3906 } | |
| 3907 } | |
| 3908 if (backup == NULL && !forceit) | |
| 3909 { | |
| 3910 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 3911 goto fail; | |
| 3912 } | |
| 3913 } | |
| 3914 } | |
| 3915 | |
| 3916 #if defined(UNIX) && !defined(ARCHIE) | |
| 3917 /* When using ":w!" and the file was read-only: make it writable */ | |
| 3918 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 3919 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 3920 { | |
| 3921 perm |= 0200; | |
| 3922 (void)mch_setperm(fname, perm); | |
| 3923 made_writable = TRUE; | |
| 3924 } | |
| 3925 #endif | |
| 3926 | |
| 819 | 3927 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 3928 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 3929 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 3930 { |
| 3931 buf->b_p_ro = FALSE; | |
| 3932 #ifdef FEAT_TITLE | |
| 3933 need_maketitle = TRUE; /* set window title later */ | |
| 3934 #endif | |
| 3935 #ifdef FEAT_WINDOWS | |
| 3936 status_redraw_all(); /* redraw status lines later */ | |
| 3937 #endif | |
| 3938 } | |
| 3939 | |
| 3940 if (end > buf->b_ml.ml_line_count) | |
| 3941 end = buf->b_ml.ml_line_count; | |
| 3942 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 3943 start = end + 1; | |
| 3944 | |
| 3945 /* | |
| 3946 * If the original file is being overwritten, there is a small chance that | |
| 3947 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 3948 * This makes all block numbers positive so that recovery does not need | |
| 3949 * the original file. | |
| 3950 * Don't do this if there is a backup file and we are exiting. | |
| 3951 */ | |
| 39 | 3952 if (reset_changed && !newfile && overwriting |
| 7 | 3953 && !(exiting && backup != NULL)) |
| 3954 { | |
| 3955 ml_preserve(buf, FALSE); | |
| 3956 if (got_int) | |
| 3957 { | |
| 3958 errmsg = (char_u *)_(e_interr); | |
| 3959 goto restore_backup; | |
| 3960 } | |
| 3961 } | |
| 3962 | |
| 3963 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 3964 /* | |
| 3965 * Before risking to lose the original file verify if there's | |
| 3966 * a resource fork to preserve, and if cannot be done warn | |
| 3967 * the users. This happens when overwriting without backups. | |
| 3968 */ | |
| 3969 if (backup == NULL && overwriting && !append) | |
| 3970 if (mch_has_resource_fork(fname)) | |
| 3971 { | |
| 3972 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 3973 goto restore_backup; | |
| 3974 } | |
| 3975 #endif | |
| 3976 | |
| 3977 #ifdef VMS | |
| 3978 vms_remove_version(fname); /* remove version */ | |
| 3979 #endif | |
| 1651 | 3980 /* Default: write the file directly. May write to a temp file for |
| 7 | 3981 * multi-byte conversion. */ |
| 3982 wfname = fname; | |
| 3983 | |
| 3984 #ifdef FEAT_MBYTE | |
| 3985 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 3986 if (eap != NULL && eap->force_enc != 0) | |
| 3987 { | |
| 3988 fenc = eap->cmd + eap->force_enc; | |
| 3989 fenc = enc_canonize(fenc); | |
| 3990 fenc_tofree = fenc; | |
| 3991 } | |
| 3992 else | |
| 3993 fenc = buf->b_p_fenc; | |
| 3994 | |
| 3995 /* | |
| 1948 | 3996 * Check if the file needs to be converted. |
| 7 | 3997 */ |
| 1948 | 3998 converted = need_conversion(fenc); |
| 7 | 3999 |
| 4000 /* | |
| 4001 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4002 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4003 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4004 */ | |
| 4005 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4006 { | |
| 4007 wb_flags = get_fio_flags(fenc); | |
| 4008 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4009 { | |
| 4010 /* Need to allocate a buffer to translate into. */ | |
| 4011 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4012 write_info.bw_conv_buflen = bufsize * 2; | |
| 4013 else /* FIO_UCS4 */ | |
| 4014 write_info.bw_conv_buflen = bufsize * 4; | |
| 4015 write_info.bw_conv_buf | |
| 4016 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4017 if (write_info.bw_conv_buf == NULL) | |
| 4018 end = 0; | |
| 4019 } | |
| 4020 } | |
| 4021 | |
| 4022 # ifdef WIN3264 | |
| 4023 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4024 { | |
| 4025 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4026 write_info.bw_conv_buflen = bufsize * 4; | |
| 4027 write_info.bw_conv_buf | |
| 4028 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4029 if (write_info.bw_conv_buf == NULL) | |
| 4030 end = 0; | |
| 4031 } | |
| 4032 # endif | |
| 4033 | |
| 4034 # ifdef MACOS_X | |
| 4035 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4036 { | |
| 4037 write_info.bw_conv_buflen = bufsize * 3; | |
| 4038 write_info.bw_conv_buf | |
| 4039 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4040 if (write_info.bw_conv_buf == NULL) | |
| 4041 end = 0; | |
| 4042 } | |
| 4043 # endif | |
| 4044 | |
| 4045 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4046 if (converted && wb_flags == 0) | |
| 4047 { | |
| 4048 # ifdef USE_ICONV | |
| 4049 /* | |
| 4050 * Use iconv() conversion when conversion is needed and it's not done | |
| 4051 * internally. | |
| 4052 */ | |
| 4053 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4054 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4055 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4056 { | |
| 4057 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4058 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4059 write_info.bw_conv_buf | |
| 4060 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4061 if (write_info.bw_conv_buf == NULL) | |
| 4062 end = 0; | |
| 4063 write_info.bw_first = TRUE; | |
| 4064 } | |
| 4065 # ifdef FEAT_EVAL | |
| 4066 else | |
| 4067 # endif | |
| 4068 # endif | |
| 4069 | |
| 4070 # ifdef FEAT_EVAL | |
| 4071 /* | |
| 4072 * When the file needs to be converted with 'charconvert' after | |
| 4073 * writing, write to a temp file instead and let the conversion | |
| 4074 * overwrite the original file. | |
| 4075 */ | |
| 4076 if (*p_ccv != NUL) | |
| 4077 { | |
| 4078 wfname = vim_tempname('w'); | |
| 4079 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4080 { | |
| 4081 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4082 goto restore_backup; | |
| 4083 } | |
| 4084 } | |
| 4085 # endif | |
| 4086 } | |
| 4087 # endif | |
| 4088 if (converted && wb_flags == 0 | |
| 4089 # ifdef USE_ICONV | |
| 4090 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4091 # endif | |
| 4092 # ifdef FEAT_EVAL | |
| 4093 && wfname == fname | |
| 4094 # endif | |
| 4095 ) | |
| 4096 { | |
| 4097 if (!forceit) | |
| 4098 { | |
| 4099 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4100 goto restore_backup; | |
| 4101 } | |
| 4102 notconverted = TRUE; | |
| 4103 } | |
| 4104 #endif | |
| 4105 | |
| 4106 /* | |
| 4107 * Open the file "wfname" for writing. | |
| 4108 * We may try to open the file twice: If we can't write to the | |
| 4109 * file and forceit is TRUE we delete the existing file and try to create | |
| 4110 * a new one. If this still fails we may have lost the original file! | |
| 4111 * (this may happen when the user reached his quotum for number of files). | |
| 4112 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4113 */ | |
| 4114 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4115 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4116 : (O_CREAT | O_TRUNC)) | |
| 216 | 4117 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4118 { |
| 4119 /* | |
| 4120 * A forced write will try to create a new file if the old one is | |
| 4121 * still readonly. This may also happen when the directory is | |
| 4122 * read-only. In that case the mch_remove() will fail. | |
| 4123 */ | |
| 4124 if (errmsg == NULL) | |
| 4125 { | |
| 4126 #ifdef UNIX | |
| 4127 struct stat st; | |
| 4128 | |
| 4129 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4130 if ((!newfile && st_old.st_nlink > 1) | |
| 4131 || (mch_lstat((char *)fname, &st) == 0 | |
| 4132 && (st.st_dev != st_old.st_dev | |
| 4133 || st.st_ino != st_old.st_ino))) | |
| 4134 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4135 else | |
| 4136 #endif | |
| 4137 { | |
| 4138 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4139 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4140 && perm >= 0) | |
| 4141 { | |
| 4142 #ifdef UNIX | |
| 4143 /* we write to the file, thus it should be marked | |
| 4144 writable after all */ | |
| 4145 if (!(perm & 0200)) | |
| 4146 made_writable = TRUE; | |
| 4147 perm |= 0200; | |
| 4148 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4149 perm &= 0777; | |
| 4150 #endif | |
| 4151 if (!append) /* don't remove when appending */ | |
| 4152 mch_remove(wfname); | |
| 4153 continue; | |
| 4154 } | |
| 4155 } | |
| 4156 } | |
| 4157 | |
| 4158 restore_backup: | |
| 4159 { | |
| 4160 struct stat st; | |
| 4161 | |
| 4162 /* | |
| 4163 * If we failed to open the file, we don't need a backup. Throw it | |
| 4164 * away. If we moved or removed the original file try to put the | |
| 4165 * backup in its place. | |
| 4166 */ | |
| 4167 if (backup != NULL && wfname == fname) | |
| 4168 { | |
| 4169 if (backup_copy) | |
| 4170 { | |
| 4171 /* | |
| 4172 * There is a small chance that we removed the original, | |
| 4173 * try to move the copy in its place. | |
| 4174 * This may not work if the vim_rename() fails. | |
| 4175 * In that case we leave the copy around. | |
| 4176 */ | |
| 4177 /* If file does not exist, put the copy in its place */ | |
| 4178 if (mch_stat((char *)fname, &st) < 0) | |
| 4179 vim_rename(backup, fname); | |
| 4180 /* if original file does exist throw away the copy */ | |
| 4181 if (mch_stat((char *)fname, &st) >= 0) | |
| 4182 mch_remove(backup); | |
| 4183 } | |
| 4184 else | |
| 4185 { | |
| 4186 /* try to put the original file back */ | |
| 4187 vim_rename(backup, fname); | |
| 4188 } | |
| 4189 } | |
| 4190 | |
| 4191 /* if original file no longer exists give an extra warning */ | |
| 4192 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4193 end = 0; | |
| 4194 } | |
| 4195 | |
| 4196 #ifdef FEAT_MBYTE | |
| 4197 if (wfname != fname) | |
| 4198 vim_free(wfname); | |
| 4199 #endif | |
| 4200 goto fail; | |
| 4201 } | |
| 4202 errmsg = NULL; | |
| 4203 | |
| 4204 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4205 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4206 /* | |
| 4207 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4208 * This is done in order to preserve the resource fork and the |
| 4209 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4210 */ |
| 4211 if (backup != NULL && overwriting && !append) | |
| 4212 { | |
| 4213 if (backup_copy) | |
| 4214 (void)mch_copy_file_attribute(wfname, backup); | |
| 4215 else | |
| 4216 (void)mch_copy_file_attribute(backup, wfname); | |
| 4217 } | |
| 4218 | |
| 4219 if (!overwriting && !append) | |
| 4220 { | |
| 4221 if (buf->b_ffname != NULL) | |
| 4222 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4223 /* Should copy resource fork */ |
| 7 | 4224 } |
| 4225 #endif | |
| 4226 | |
| 4227 write_info.bw_fd = fd; | |
| 4228 | |
| 4229 #ifdef FEAT_CRYPT | |
| 4230 if (*buf->b_p_key && !filtering) | |
| 4231 { | |
| 4232 crypt_init_keys(buf->b_p_key); | |
| 4233 /* Write magic number, so that Vim knows that this file is encrypted | |
| 4234 * when reading it again. This also undergoes utf-8 to ucs-2/4 | |
| 4235 * conversion when needed. */ | |
| 4236 write_info.bw_buf = (char_u *)CRYPT_MAGIC; | |
| 4237 write_info.bw_len = CRYPT_MAGIC_LEN; | |
| 4238 write_info.bw_flags = FIO_NOCONVERT; | |
| 4239 if (buf_write_bytes(&write_info) == FAIL) | |
| 4240 end = 0; | |
| 4241 wb_flags |= FIO_ENCRYPTED; | |
| 4242 } | |
| 4243 #endif | |
| 4244 | |
| 4245 write_info.bw_buf = buffer; | |
| 4246 nchars = 0; | |
| 4247 | |
| 4248 /* use "++bin", "++nobin" or 'binary' */ | |
| 4249 if (eap != NULL && eap->force_bin != 0) | |
| 4250 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4251 else | |
| 4252 write_bin = buf->b_p_bin; | |
| 4253 | |
| 4254 #ifdef FEAT_MBYTE | |
| 4255 /* | |
| 4256 * The BOM is written just after the encryption magic number. | |
| 24 | 4257 * Skip it when appending and the file already existed, the BOM only makes |
| 4258 * sense at the start of the file. | |
| 7 | 4259 */ |
| 24 | 4260 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4261 { |
| 4262 write_info.bw_len = make_bom(buffer, fenc); | |
| 4263 if (write_info.bw_len > 0) | |
| 4264 { | |
| 4265 /* don't convert, do encryption */ | |
| 4266 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4267 if (buf_write_bytes(&write_info) == FAIL) | |
| 4268 end = 0; | |
| 4269 else | |
| 4270 nchars += write_info.bw_len; | |
| 4271 } | |
| 4272 } | |
| 1947 | 4273 write_info.bw_start_lnum = start; |
| 7 | 4274 #endif |
| 4275 | |
| 4276 write_info.bw_len = bufsize; | |
| 4277 #ifdef HAS_BW_FLAGS | |
| 4278 write_info.bw_flags = wb_flags; | |
| 4279 #endif | |
| 4280 fileformat = get_fileformat_force(buf, eap); | |
| 4281 s = buffer; | |
| 4282 len = 0; | |
| 4283 for (lnum = start; lnum <= end; ++lnum) | |
| 4284 { | |
| 4285 /* | |
| 4286 * The next while loop is done once for each character written. | |
| 4287 * Keep it fast! | |
| 4288 */ | |
| 4289 ptr = ml_get_buf(buf, lnum, FALSE) - 1; | |
| 4290 while ((c = *++ptr) != NUL) | |
| 4291 { | |
| 4292 if (c == NL) | |
| 4293 *s = NUL; /* replace newlines with NULs */ | |
| 4294 else if (c == CAR && fileformat == EOL_MAC) | |
| 4295 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4296 else | |
| 4297 *s = c; | |
| 4298 ++s; | |
| 4299 if (++len != bufsize) | |
| 4300 continue; | |
| 4301 if (buf_write_bytes(&write_info) == FAIL) | |
| 4302 { | |
| 4303 end = 0; /* write error: break loop */ | |
| 4304 break; | |
| 4305 } | |
| 4306 nchars += bufsize; | |
| 4307 s = buffer; | |
| 4308 len = 0; | |
| 1947 | 4309 #ifdef FEAT_MBYTE |
| 4310 write_info.bw_start_lnum = lnum; | |
| 4311 #endif | |
| 7 | 4312 } |
| 4313 /* write failed or last line has no EOL: stop here */ | |
| 4314 if (end == 0 | |
| 4315 || (lnum == end | |
| 4316 && write_bin | |
| 4317 && (lnum == write_no_eol_lnum | |
| 4318 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) | |
| 4319 { | |
| 4320 ++lnum; /* written the line, count it */ | |
| 4321 no_eol = TRUE; | |
| 4322 break; | |
| 4323 } | |
| 4324 if (fileformat == EOL_UNIX) | |
| 4325 *s++ = NL; | |
| 4326 else | |
| 4327 { | |
| 4328 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4329 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4330 { | |
| 4331 if (++len == bufsize) | |
| 4332 { | |
| 4333 if (buf_write_bytes(&write_info) == FAIL) | |
| 4334 { | |
| 4335 end = 0; /* write error: break loop */ | |
| 4336 break; | |
| 4337 } | |
| 4338 nchars += bufsize; | |
| 4339 s = buffer; | |
| 4340 len = 0; | |
| 4341 } | |
| 4342 *s++ = NL; | |
| 4343 } | |
| 4344 } | |
| 4345 if (++len == bufsize && end) | |
| 4346 { | |
| 4347 if (buf_write_bytes(&write_info) == FAIL) | |
| 4348 { | |
| 4349 end = 0; /* write error: break loop */ | |
| 4350 break; | |
| 4351 } | |
| 4352 nchars += bufsize; | |
| 4353 s = buffer; | |
| 4354 len = 0; | |
| 4355 | |
| 4356 ui_breakcheck(); | |
| 4357 if (got_int) | |
| 4358 { | |
| 4359 end = 0; /* Interrupted, break loop */ | |
| 4360 break; | |
| 4361 } | |
| 4362 } | |
| 4363 #ifdef VMS | |
| 4364 /* | |
| 4365 * On VMS there is a problem: newlines get added when writing blocks | |
| 4366 * at a time. Fix it by writing a line at a time. | |
| 4367 * This is much slower! | |
| 22 | 4368 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4369 * structures end with a newline (carriage return) character, and if | |
| 4370 * they don't it adds one. | |
| 4371 * With other RMS structures it works perfect without this fix. | |
| 7 | 4372 */ |
| 1431 | 4373 if (buf->b_fab_rfm == FAB$C_VFC |
| 4374 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4375 { |
| 4376 int b2write; | |
| 4377 | |
| 4378 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4379 ? MIN(4096, bufsize) | |
| 4380 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4381 | |
| 4382 b2write = len; | |
| 4383 while (b2write > 0) | |
| 7 | 4384 { |
| 22 | 4385 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4386 if (buf_write_bytes(&write_info) == FAIL) | |
| 4387 { | |
| 4388 end = 0; | |
| 4389 break; | |
| 4390 } | |
| 4391 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4392 } |
| 4393 write_info.bw_len = bufsize; | |
| 4394 nchars += len; | |
| 4395 s = buffer; | |
| 4396 len = 0; | |
| 4397 } | |
| 4398 #endif | |
| 4399 } | |
| 4400 if (len > 0 && end > 0) | |
| 4401 { | |
| 4402 write_info.bw_len = len; | |
| 4403 if (buf_write_bytes(&write_info) == FAIL) | |
| 4404 end = 0; /* write error */ | |
| 4405 nchars += len; | |
| 4406 } | |
| 4407 | |
| 4408 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4409 /* On many journalling file systems there is a bug that causes both the | |
| 4410 * original and the backup file to be lost when halting the system right | |
| 4411 * after writing the file. That's because only the meta-data is | |
| 4412 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4413 * been written to disk and we don't lose it. |
| 4414 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4415 * (could be a pipe). |
| 4416 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4417 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4418 { |
| 4419 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4420 end = 0; | |
| 4421 } | |
| 4422 #endif | |
| 4423 | |
| 1583 | 4424 #ifdef HAVE_SELINUX |
| 4425 /* Probably need to set the security context. */ | |
| 4426 if (!backup_copy) | |
| 4427 mch_copy_sec(backup, wfname); | |
| 4428 #endif | |
| 4429 | |
| 557 | 4430 #ifdef UNIX |
| 4431 /* When creating a new file, set its owner/group to that of the original | |
| 4432 * file. Get the new device and inode number. */ | |
| 4433 if (backup != NULL && !backup_copy) | |
| 4434 { | |
| 4435 # ifdef HAVE_FCHOWN | |
| 4436 struct stat st; | |
| 4437 | |
| 4438 /* don't change the owner when it's already OK, some systems remove | |
| 4439 * permission or ACL stuff */ | |
| 4440 if (mch_stat((char *)wfname, &st) < 0 | |
| 4441 || st.st_uid != st_old.st_uid | |
| 4442 || st.st_gid != st_old.st_gid) | |
| 4443 { | |
| 1757 | 4444 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4445 if (perm >= 0) /* set permission again, may have changed */ |
| 4446 (void)mch_setperm(wfname, perm); | |
| 4447 } | |
| 4448 # endif | |
| 4449 buf_setino(buf); | |
| 4450 } | |
| 1873 | 4451 else if (!buf->b_dev_valid) |
| 617 | 4452 /* Set the inode when creating a new file. */ |
| 4453 buf_setino(buf); | |
| 557 | 4454 #endif |
| 4455 | |
| 7 | 4456 if (close(fd) != 0) |
| 4457 { | |
| 4458 errmsg = (char_u *)_("E512: Close failed"); | |
| 4459 end = 0; | |
| 4460 } | |
| 4461 | |
| 4462 #ifdef UNIX | |
| 4463 if (made_writable) | |
| 4464 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4465 #endif | |
| 4466 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4467 (void)mch_setperm(wfname, perm); | |
| 4468 #ifdef RISCOS | |
| 4469 if (!append && !filtering) | |
| 4470 /* Set the filetype after writing the file. */ | |
| 4471 mch_set_filetype(wfname, buf->b_p_oft); | |
| 4472 #endif | |
| 4473 #ifdef HAVE_ACL | |
| 4474 /* Probably need to set the ACL before changing the user (can't set the | |
| 4475 * ACL on a file the user doesn't own). */ | |
| 4476 if (!backup_copy) | |
| 4477 mch_set_acl(wfname, acl); | |
| 4478 #endif | |
| 4479 | |
| 4480 | |
| 4481 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4482 if (wfname != fname) | |
| 4483 { | |
| 4484 /* | |
| 4485 * The file was written to a temp file, now it needs to be converted | |
| 4486 * with 'charconvert' to (overwrite) the output file. | |
| 4487 */ | |
| 4488 if (end != 0) | |
| 4489 { | |
| 4490 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4491 wfname, fname) == FAIL) | |
| 4492 { | |
| 4493 write_info.bw_conv_error = TRUE; | |
| 4494 end = 0; | |
| 4495 } | |
| 4496 } | |
| 4497 mch_remove(wfname); | |
| 4498 vim_free(wfname); | |
| 4499 } | |
| 4500 #endif | |
| 4501 | |
| 4502 if (end == 0) | |
| 4503 { | |
| 4504 if (errmsg == NULL) | |
| 4505 { | |
| 4506 #ifdef FEAT_MBYTE | |
| 4507 if (write_info.bw_conv_error) | |
| 1947 | 4508 { |
| 4509 if (write_info.bw_conv_error_lnum == 0) | |
| 4510 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4511 else | |
| 4512 { | |
| 4513 errmsg_allocated = TRUE; | |
| 4514 errmsg = alloc(300); | |
| 4515 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4516 (long)write_info.bw_conv_error_lnum); | |
| 4517 } | |
| 4518 } | |
| 7 | 4519 else |
| 4520 #endif | |
| 4521 if (got_int) | |
| 4522 errmsg = (char_u *)_(e_interr); | |
| 4523 else | |
| 4524 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4525 } | |
| 4526 | |
| 4527 /* | |
| 4528 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4529 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4530 * original file when trying to make a backup when writing the file a |
| 4531 * second time. | |
| 4532 * When "backup_copy" is set we need to copy the backup over the new | |
| 4533 * file. Otherwise rename the backup file. | |
| 4534 * If this is OK, don't give the extra warning message. | |
| 4535 */ | |
| 4536 if (backup != NULL) | |
| 4537 { | |
| 4538 if (backup_copy) | |
| 4539 { | |
| 4540 /* This may take a while, if we were interrupted let the user | |
| 4541 * know we got the message. */ | |
| 4542 if (got_int) | |
| 4543 { | |
| 4544 MSG(_(e_interr)); | |
| 4545 out_flush(); | |
| 4546 } | |
| 4547 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4548 { | |
| 4549 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4550 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4551 perm & 0777)) >= 0) | |
| 7 | 4552 { |
| 4553 /* copy the file. */ | |
| 4554 write_info.bw_buf = smallbuf; | |
| 4555 #ifdef HAS_BW_FLAGS | |
| 4556 write_info.bw_flags = FIO_NOCONVERT; | |
| 4557 #endif | |
| 4558 while ((write_info.bw_len = vim_read(fd, smallbuf, | |
| 4559 SMBUFSIZE)) > 0) | |
| 4560 if (buf_write_bytes(&write_info) == FAIL) | |
| 4561 break; | |
| 4562 | |
| 4563 if (close(write_info.bw_fd) >= 0 | |
| 4564 && write_info.bw_len == 0) | |
| 4565 end = 1; /* success */ | |
| 4566 } | |
| 4567 close(fd); /* ignore errors for closing read file */ | |
| 4568 } | |
| 4569 } | |
| 4570 else | |
| 4571 { | |
| 4572 if (vim_rename(backup, fname) == 0) | |
| 4573 end = 1; | |
| 4574 } | |
| 4575 } | |
| 4576 goto fail; | |
| 4577 } | |
| 4578 | |
| 4579 lnum -= start; /* compute number of written lines */ | |
| 4580 --no_wait_return; /* may wait for return now */ | |
| 4581 | |
| 4582 #if !(defined(UNIX) || defined(VMS)) | |
| 4583 fname = sfname; /* use shortname now, for the messages */ | |
| 4584 #endif | |
| 4585 if (!filtering) | |
| 4586 { | |
| 4587 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4588 c = FALSE; | |
| 4589 #ifdef FEAT_MBYTE | |
| 4590 if (write_info.bw_conv_error) | |
| 4591 { | |
| 4592 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4593 c = TRUE; | |
| 1947 | 4594 if (write_info.bw_conv_error_lnum != 0) |
| 4595 { | |
| 1957 | 4596 size_t l = STRLEN(IObuff); |
| 1947 | 4597 vim_snprintf((char *)IObuff + l, IOSIZE - l, _(" in line %ld;"), |
| 4598 (long)write_info.bw_conv_error_lnum); | |
| 4599 } | |
| 7 | 4600 } |
| 4601 else if (notconverted) | |
| 4602 { | |
| 4603 STRCAT(IObuff, _("[NOT converted]")); | |
| 4604 c = TRUE; | |
| 4605 } | |
| 4606 else if (converted) | |
| 4607 { | |
| 4608 STRCAT(IObuff, _("[converted]")); | |
| 4609 c = TRUE; | |
| 4610 } | |
| 4611 #endif | |
| 4612 if (device) | |
| 4613 { | |
| 4614 STRCAT(IObuff, _("[Device]")); | |
| 4615 c = TRUE; | |
| 4616 } | |
| 4617 else if (newfile) | |
| 4618 { | |
| 4619 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4620 c = TRUE; | |
| 4621 } | |
| 4622 if (no_eol) | |
| 4623 { | |
| 4624 msg_add_eol(); | |
| 4625 c = TRUE; | |
| 4626 } | |
| 4627 /* may add [unix/dos/mac] */ | |
| 4628 if (msg_add_fileformat(fileformat)) | |
| 4629 c = TRUE; | |
| 4630 #ifdef FEAT_CRYPT | |
| 4631 if (wb_flags & FIO_ENCRYPTED) | |
| 4632 { | |
| 4633 STRCAT(IObuff, _("[crypted]")); | |
| 4634 c = TRUE; | |
| 4635 } | |
| 4636 #endif | |
| 4637 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4638 if (!shortmess(SHM_WRITE)) | |
| 4639 { | |
| 4640 if (append) | |
| 4641 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4642 else | |
| 4643 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4644 } | |
| 4645 | |
| 679 | 4646 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4647 } |
| 4648 | |
| 39 | 4649 /* When written everything correctly: reset 'modified'. Unless not |
| 4650 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4651 if (reset_changed && whole && !append |
| 7 | 4652 #ifdef FEAT_MBYTE |
| 4653 && !write_info.bw_conv_error | |
| 4654 #endif | |
| 39 | 4655 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4656 ) | |
| 7 | 4657 { |
| 4658 unchanged(buf, TRUE); | |
| 4659 u_unchanged(buf); | |
| 4660 } | |
| 4661 | |
| 4662 /* | |
| 4663 * If written to the current file, update the timestamp of the swap file | |
| 4664 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4665 */ | |
| 4666 if (overwriting) | |
| 4667 { | |
| 4668 ml_timestamp(buf); | |
| 589 | 4669 if (append) |
| 4670 buf->b_flags &= ~BF_NEW; | |
| 4671 else | |
| 4672 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4673 } |
| 4674 | |
| 4675 /* | |
| 4676 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4677 * the backup file our 'original' file. | |
| 4678 */ | |
| 4679 if (*p_pm && dobackup) | |
| 4680 { | |
| 4681 char *org = (char *)buf_modname( | |
| 4682 #ifdef SHORT_FNAME | |
| 4683 TRUE, | |
| 4684 #else | |
| 4685 (buf->b_p_sn || buf->b_shortname), | |
| 4686 #endif | |
| 4687 fname, p_pm, FALSE); | |
| 4688 | |
| 4689 if (backup != NULL) | |
| 4690 { | |
| 4691 struct stat st; | |
| 4692 | |
| 4693 /* | |
| 4694 * If the original file does not exist yet | |
| 4695 * the current backup file becomes the original file | |
| 4696 */ | |
| 4697 if (org == NULL) | |
| 4698 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4699 else if (mch_stat(org, &st) < 0) | |
| 4700 { | |
| 4701 vim_rename(backup, (char_u *)org); | |
| 4702 vim_free(backup); /* don't delete the file */ | |
| 4703 backup = NULL; | |
| 4704 #ifdef UNIX | |
| 4705 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4706 #endif | |
| 4707 } | |
| 4708 } | |
| 4709 /* | |
| 4710 * If there is no backup file, remember that a (new) file was | |
| 4711 * created. | |
| 4712 */ | |
| 4713 else | |
| 4714 { | |
| 4715 int empty_fd; | |
| 4716 | |
| 4717 if (org == NULL | |
| 557 | 4718 || (empty_fd = mch_open(org, |
| 4719 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4720 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4721 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4722 else | |
| 4723 close(empty_fd); | |
| 4724 } | |
| 4725 if (org != NULL) | |
| 4726 { | |
| 4727 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4728 vim_free(org); | |
| 4729 } | |
| 4730 } | |
| 4731 | |
| 4732 /* | |
| 4733 * Remove the backup unless 'backup' option is set | |
| 4734 */ | |
| 4735 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 4736 EMSG(_("E207: Can't delete backup file")); | |
| 4737 | |
| 4738 #ifdef FEAT_SUN_WORKSHOP | |
| 4739 if (usingSunWorkShop) | |
| 4740 workshop_file_saved((char *) ffname); | |
| 4741 #endif | |
| 4742 | |
| 4743 goto nofail; | |
| 4744 | |
| 4745 /* | |
| 4746 * Finish up. We get here either after failure or success. | |
| 4747 */ | |
| 4748 fail: | |
| 4749 --no_wait_return; /* may wait for return now */ | |
| 4750 nofail: | |
| 4751 | |
| 4752 /* Done saving, we accept changed buffer warnings again */ | |
| 4753 buf->b_saving = FALSE; | |
| 4754 | |
| 4755 vim_free(backup); | |
| 4756 if (buffer != smallbuf) | |
| 4757 vim_free(buffer); | |
| 4758 #ifdef FEAT_MBYTE | |
| 4759 vim_free(fenc_tofree); | |
| 4760 vim_free(write_info.bw_conv_buf); | |
| 4761 # ifdef USE_ICONV | |
| 4762 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4763 { | |
| 4764 iconv_close(write_info.bw_iconv_fd); | |
| 4765 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 4766 } | |
| 4767 # endif | |
| 4768 #endif | |
| 4769 #ifdef HAVE_ACL | |
| 4770 mch_free_acl(acl); | |
| 4771 #endif | |
| 4772 | |
| 4773 if (errmsg != NULL) | |
| 4774 { | |
| 835 | 4775 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 4776 |
| 4777 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 4778 msg_add_fname(buf, | |
| 4779 #ifndef UNIX | |
| 4780 sfname | |
| 4781 #else | |
| 4782 fname | |
| 4783 #endif | |
| 4784 ); /* put file name in IObuff with quotes */ | |
| 4785 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 4786 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 4787 /* If the error message has the form "is ...", put the error number in | |
| 4788 * front of the file name. */ | |
| 4789 if (errnum != NULL) | |
| 4790 { | |
| 1620 | 4791 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 4792 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 4793 } | |
| 4794 STRCAT(IObuff, errmsg); | |
| 4795 emsg(IObuff); | |
| 1947 | 4796 if (errmsg_allocated) |
| 4797 vim_free(errmsg); | |
| 7 | 4798 |
| 4799 retval = FAIL; | |
| 4800 if (end == 0) | |
| 4801 { | |
| 4802 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 4803 attr | MSG_HIST); | |
| 4804 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 4805 attr | MSG_HIST); | |
| 4806 | |
| 4807 /* Update the timestamp to avoid an "overwrite changed file" | |
| 4808 * prompt when writing again. */ | |
| 4809 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 4810 { | |
| 4811 buf_store_time(buf, &st_old, fname); | |
| 4812 buf->b_mtime_read = buf->b_mtime; | |
| 4813 } | |
| 4814 } | |
| 4815 } | |
| 4816 msg_scroll = msg_save; | |
| 4817 | |
| 4818 #ifdef FEAT_AUTOCMD | |
| 4819 #ifdef FEAT_EVAL | |
| 4820 if (!should_abort(retval)) | |
| 4821 #else | |
| 4822 if (!got_int) | |
| 4823 #endif | |
| 4824 { | |
| 4825 aco_save_T aco; | |
| 4826 | |
| 4827 write_no_eol_lnum = 0; /* in case it was set by the previous read */ | |
| 4828 | |
| 4829 /* | |
| 4830 * Apply POST autocommands. | |
| 4831 * Careful: The autocommands may call buf_write() recursively! | |
| 4832 */ | |
| 4833 aucmd_prepbuf(&aco, buf); | |
| 4834 | |
| 4835 if (append) | |
| 4836 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 4837 FALSE, curbuf, eap); | |
| 4838 else if (filtering) | |
| 4839 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 4840 FALSE, curbuf, eap); | |
| 4841 else if (reset_changed && whole) | |
| 4842 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 4843 FALSE, curbuf, eap); | |
| 4844 else | |
| 4845 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 4846 FALSE, curbuf, eap); | |
| 4847 | |
| 4848 /* restore curwin/curbuf and a few other things */ | |
| 4849 aucmd_restbuf(&aco); | |
| 4850 | |
| 4851 #ifdef FEAT_EVAL | |
| 4852 if (aborting()) /* autocmds may abort script processing */ | |
| 4853 retval = FALSE; | |
| 4854 #endif | |
| 4855 } | |
| 4856 #endif | |
| 4857 | |
| 4858 got_int |= prev_got_int; | |
| 4859 | |
| 4860 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4861 /* Update machine specific information. */ | |
| 4862 mch_post_buffer_write(buf); | |
| 4863 #endif | |
| 4864 return retval; | |
| 4865 } | |
| 4866 | |
| 4867 /* | |
| 633 | 4868 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 4869 * name and a ":r" or ":w" command with a file name is used. | |
| 4870 */ | |
| 4871 static int | |
| 4872 set_rw_fname(fname, sfname) | |
| 4873 char_u *fname; | |
| 4874 char_u *sfname; | |
| 4875 { | |
| 4876 #ifdef FEAT_AUTOCMD | |
| 1905 | 4877 buf_T *buf = curbuf; |
| 4878 | |
| 633 | 4879 /* It's like the unnamed buffer is deleted.... */ |
| 4880 if (curbuf->b_p_bl) | |
| 4881 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 4882 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 4883 # ifdef FEAT_EVAL | |
| 4884 if (aborting()) /* autocmds may abort script processing */ | |
| 4885 return FAIL; | |
| 4886 # endif | |
| 1905 | 4887 if (curbuf != buf) |
| 4888 { | |
| 4889 /* We are in another buffer now, don't do the renaming. */ | |
| 4890 EMSG(_(e_auchangedbuf)); | |
| 4891 return FAIL; | |
| 4892 } | |
| 633 | 4893 #endif |
| 4894 | |
| 4895 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 4896 curbuf->b_flags |= BF_NOTEDITED; | |
| 4897 | |
| 4898 #ifdef FEAT_AUTOCMD | |
| 4899 /* ....and a new named one is created */ | |
| 4900 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 4901 if (curbuf->b_p_bl) | |
| 4902 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 4903 # ifdef FEAT_EVAL | |
| 4904 if (aborting()) /* autocmds may abort script processing */ | |
| 4905 return FAIL; | |
| 4906 # endif | |
| 4907 | |
| 4908 /* Do filetype detection now if 'filetype' is empty. */ | |
| 4909 if (*curbuf->b_p_ft == NUL) | |
| 4910 { | |
| 819 | 4911 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 4912 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 4913 do_modelines(0); |
| 633 | 4914 } |
| 4915 #endif | |
| 4916 | |
| 4917 return OK; | |
| 4918 } | |
| 4919 | |
| 4920 /* | |
| 7 | 4921 * Put file name into IObuff with quotes. |
| 4922 */ | |
| 33 | 4923 void |
| 7 | 4924 msg_add_fname(buf, fname) |
| 4925 buf_T *buf; | |
| 4926 char_u *fname; | |
| 4927 { | |
| 4928 if (fname == NULL) | |
| 4929 fname = (char_u *)"-stdin-"; | |
| 4930 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 4931 IObuff[0] = '"'; | |
| 4932 STRCAT(IObuff, "\" "); | |
| 4933 } | |
| 4934 | |
| 4935 /* | |
| 4936 * Append message for text mode to IObuff. | |
| 4937 * Return TRUE if something appended. | |
| 4938 */ | |
| 4939 static int | |
| 4940 msg_add_fileformat(eol_type) | |
| 4941 int eol_type; | |
| 4942 { | |
| 4943 #ifndef USE_CRNL | |
| 4944 if (eol_type == EOL_DOS) | |
| 4945 { | |
| 4946 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 4947 return TRUE; | |
| 4948 } | |
| 4949 #endif | |
| 4950 #ifndef USE_CR | |
| 4951 if (eol_type == EOL_MAC) | |
| 4952 { | |
| 4953 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 4954 return TRUE; | |
| 4955 } | |
| 4956 #endif | |
| 4957 #if defined(USE_CRNL) || defined(USE_CR) | |
| 4958 if (eol_type == EOL_UNIX) | |
| 4959 { | |
| 4960 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 4961 return TRUE; | |
| 4962 } | |
| 4963 #endif | |
| 4964 return FALSE; | |
| 4965 } | |
| 4966 | |
| 4967 /* | |
| 4968 * Append line and character count to IObuff. | |
| 4969 */ | |
| 33 | 4970 void |
| 7 | 4971 msg_add_lines(insert_space, lnum, nchars) |
| 4972 int insert_space; | |
| 4973 long lnum; | |
| 4974 long nchars; | |
| 4975 { | |
| 4976 char_u *p; | |
| 4977 | |
| 4978 p = IObuff + STRLEN(IObuff); | |
| 4979 | |
| 4980 if (insert_space) | |
| 4981 *p++ = ' '; | |
| 4982 if (shortmess(SHM_LINES)) | |
| 4983 sprintf((char *)p, "%ldL, %ldC", lnum, nchars); | |
| 4984 else | |
| 4985 { | |
| 4986 if (lnum == 1) | |
| 4987 STRCPY(p, _("1 line, ")); | |
| 4988 else | |
| 4989 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 4990 p += STRLEN(p); | |
| 4991 if (nchars == 1) | |
| 4992 STRCPY(p, _("1 character")); | |
| 4993 else | |
| 4994 sprintf((char *)p, _("%ld characters"), nchars); | |
| 4995 } | |
| 4996 } | |
| 4997 | |
| 4998 /* | |
| 4999 * Append message for missing line separator to IObuff. | |
| 5000 */ | |
| 5001 static void | |
| 5002 msg_add_eol() | |
| 5003 { | |
| 5004 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5005 } | |
| 5006 | |
| 5007 /* | |
| 5008 * Check modification time of file, before writing to it. | |
| 5009 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5010 * using the same timestamp but can't set the size. | |
| 5011 */ | |
| 5012 static int | |
| 5013 check_mtime(buf, st) | |
| 5014 buf_T *buf; | |
| 5015 struct stat *st; | |
| 5016 { | |
| 5017 if (buf->b_mtime_read != 0 | |
| 5018 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5019 { | |
| 5020 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5021 msg_silent = 0; /* must give this prompt */ | |
| 5022 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5023 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5024 hl_attr(HLF_E)); | |
| 5025 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5026 TRUE) == 'n') | |
| 5027 return FAIL; | |
| 5028 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5029 } | |
| 5030 return OK; | |
| 5031 } | |
| 5032 | |
| 5033 static int | |
| 5034 time_differs(t1, t2) | |
| 5035 long t1, t2; | |
| 5036 { | |
| 5037 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5038 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5039 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5040 * time may change unexpectedly by one second!!! */ | |
| 5041 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5042 #else | |
| 5043 return (t1 != t2); | |
| 5044 #endif | |
| 5045 } | |
| 5046 | |
| 5047 /* | |
| 5048 * Call write() to write a number of bytes to the file. | |
| 5049 * Also handles encryption and 'encoding' conversion. | |
| 5050 * | |
| 5051 * Return FAIL for failure, OK otherwise. | |
| 5052 */ | |
| 5053 static int | |
| 5054 buf_write_bytes(ip) | |
| 5055 struct bw_info *ip; | |
| 5056 { | |
| 5057 int wlen; | |
| 5058 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5059 int len = ip->bw_len; /* length of data */ | |
| 5060 #ifdef HAS_BW_FLAGS | |
| 5061 int flags = ip->bw_flags; /* extra flags */ | |
| 5062 #endif | |
| 5063 | |
| 5064 #ifdef FEAT_MBYTE | |
| 5065 /* | |
| 5066 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5067 */ | |
| 5068 if (!(flags & FIO_NOCONVERT)) | |
| 5069 { | |
| 5070 char_u *p; | |
| 5071 unsigned c; | |
| 5072 int n; | |
| 5073 | |
| 5074 if (flags & FIO_UTF8) | |
| 5075 { | |
| 5076 /* | |
| 5077 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5078 */ | |
| 5079 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5080 for (wlen = 0; wlen < len; ++wlen) | |
| 5081 p += utf_char2bytes(buf[wlen], p); | |
| 5082 buf = ip->bw_conv_buf; | |
| 5083 len = (int)(p - ip->bw_conv_buf); | |
| 5084 } | |
| 5085 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5086 { | |
| 5087 /* | |
| 5088 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5089 * Latin1 chars in the file. | |
| 5090 */ | |
| 5091 if (flags & FIO_LATIN1) | |
| 5092 p = buf; /* translate in-place (can only get shorter) */ | |
| 5093 else | |
| 5094 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5095 for (wlen = 0; wlen < len; wlen += n) | |
| 5096 { | |
| 5097 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5098 { | |
| 5099 int l; | |
| 5100 | |
| 5101 /* Use remainder of previous call. Append the start of | |
| 5102 * buf[] to get a full sequence. Might still be too | |
| 5103 * short! */ | |
| 5104 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5105 if (l > len) | |
| 5106 l = len; | |
| 5107 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5108 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5109 if (n > ip->bw_restlen + len) |
| 5110 { | |
| 5111 /* We have an incomplete byte sequence at the end to | |
| 5112 * be written. We can't convert it without the | |
| 5113 * remaining bytes. Keep them for the next call. */ | |
| 5114 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5115 return FAIL; | |
| 5116 ip->bw_restlen += len; | |
| 5117 break; | |
| 5118 } | |
| 5119 if (n > 1) | |
| 5120 c = utf_ptr2char(ip->bw_rest); | |
| 5121 else | |
| 5122 c = ip->bw_rest[0]; | |
| 5123 if (n >= ip->bw_restlen) | |
| 5124 { | |
| 5125 n -= ip->bw_restlen; | |
| 5126 ip->bw_restlen = 0; | |
| 5127 } | |
| 5128 else | |
| 5129 { | |
| 5130 ip->bw_restlen -= n; | |
| 5131 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5132 (size_t)ip->bw_restlen); | |
| 5133 n = 0; | |
| 5134 } | |
| 5135 } | |
| 5136 else | |
| 5137 { | |
| 474 | 5138 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5139 if (n > len - wlen) |
| 5140 { | |
| 5141 /* We have an incomplete byte sequence at the end to | |
| 5142 * be written. We can't convert it without the | |
| 5143 * remaining bytes. Keep them for the next call. */ | |
| 5144 if (len - wlen > CONV_RESTLEN) | |
| 5145 return FAIL; | |
| 5146 ip->bw_restlen = len - wlen; | |
| 5147 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5148 (size_t)ip->bw_restlen); | |
| 5149 break; | |
| 5150 } | |
| 5151 if (n > 1) | |
| 5152 c = utf_ptr2char(buf + wlen); | |
| 5153 else | |
| 5154 c = buf[wlen]; | |
| 5155 } | |
| 5156 | |
| 1947 | 5157 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5158 { | |
| 5159 ip->bw_conv_error = TRUE; | |
| 5160 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5161 } | |
| 5162 if (c == NL) | |
| 5163 ++ip->bw_start_lnum; | |
| 7 | 5164 } |
| 5165 if (flags & FIO_LATIN1) | |
| 5166 len = (int)(p - buf); | |
| 5167 else | |
| 5168 { | |
| 5169 buf = ip->bw_conv_buf; | |
| 5170 len = (int)(p - ip->bw_conv_buf); | |
| 5171 } | |
| 5172 } | |
| 5173 | |
| 5174 # ifdef WIN3264 | |
| 5175 else if (flags & FIO_CODEPAGE) | |
| 5176 { | |
| 5177 /* | |
| 5178 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5179 * codepage. | |
| 5180 */ | |
| 5181 char_u *from; | |
| 5182 size_t fromlen; | |
| 5183 char_u *to; | |
| 5184 int u8c; | |
| 5185 BOOL bad = FALSE; | |
| 5186 int needed; | |
| 5187 | |
| 5188 if (ip->bw_restlen > 0) | |
| 5189 { | |
| 5190 /* Need to concatenate the remainder of the previous call and | |
| 5191 * the bytes of the current call. Use the end of the | |
| 5192 * conversion buffer for this. */ | |
| 5193 fromlen = len + ip->bw_restlen; | |
| 5194 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5195 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5196 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5197 } | |
| 5198 else | |
| 5199 { | |
| 5200 from = buf; | |
| 5201 fromlen = len; | |
| 5202 } | |
| 5203 | |
| 5204 to = ip->bw_conv_buf; | |
| 5205 if (enc_utf8) | |
| 5206 { | |
| 5207 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5208 * The buffer has been allocated to be big enough. */ | |
| 5209 while (fromlen > 0) | |
| 5210 { | |
| 835 | 5211 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5212 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5213 break; | |
| 5214 u8c = utf_ptr2char(from); | |
| 5215 *to++ = (u8c & 0xff); | |
| 5216 *to++ = (u8c >> 8); | |
| 5217 fromlen -= n; | |
| 5218 from += n; | |
| 5219 } | |
| 5220 | |
| 5221 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5222 * call. */ | |
| 5223 if (fromlen > CONV_RESTLEN) | |
| 5224 { | |
| 5225 /* weird overlong sequence */ | |
| 5226 ip->bw_conv_error = TRUE; | |
| 5227 return FAIL; | |
| 5228 } | |
| 5229 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5230 ip->bw_restlen = (int)fromlen; |
| 7 | 5231 } |
| 5232 else | |
| 5233 { | |
| 5234 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5235 * buffer. The buffer has been allocated to be big enough. */ | |
| 5236 ip->bw_restlen = 0; | |
| 5237 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5238 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5239 NULL, 0); |
| 5240 if (needed == 0) | |
| 5241 { | |
| 5242 /* When conversion fails there may be a trailing byte. */ | |
| 5243 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5244 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5245 NULL, 0); |
| 5246 if (needed == 0) | |
| 5247 { | |
| 5248 /* Conversion doesn't work. */ | |
| 5249 ip->bw_conv_error = TRUE; | |
| 5250 return FAIL; | |
| 5251 } | |
| 5252 /* Save the trailing byte for the next call. */ | |
| 5253 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5254 ip->bw_restlen = 1; | |
| 5255 } | |
| 5256 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5257 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5258 (LPWSTR)to, needed); |
| 5259 if (needed == 0) | |
| 5260 { | |
| 5261 /* Safety check: Conversion doesn't work. */ | |
| 5262 ip->bw_conv_error = TRUE; | |
| 5263 return FAIL; | |
| 5264 } | |
| 5265 to += needed * 2; | |
| 5266 } | |
| 5267 | |
| 5268 fromlen = to - ip->bw_conv_buf; | |
| 5269 buf = to; | |
| 5270 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5271 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5272 { | |
| 5273 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5274 * conversion buffer. Fails when out of space. */ | |
| 5275 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5276 { | |
| 5277 u8c = *from++; | |
| 5278 u8c += (*from++ << 8); | |
| 5279 to += utf_char2bytes(u8c, to); | |
| 5280 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5281 { | |
| 5282 ip->bw_conv_error = TRUE; | |
| 5283 return FAIL; | |
| 5284 } | |
| 5285 } | |
| 835 | 5286 len = (int)(to - buf); |
| 7 | 5287 } |
| 5288 else | |
| 5289 #endif | |
| 5290 { | |
| 5291 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5292 * the conversion buffer. If the conversion uses the default | |
| 5293 * character "0", the data doesn't fit in this encoding, so | |
| 5294 * fail. */ | |
| 5295 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5296 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5297 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5298 &bad); | |
| 7 | 5299 if (bad) |
| 5300 { | |
| 5301 ip->bw_conv_error = TRUE; | |
| 5302 return FAIL; | |
| 5303 } | |
| 5304 } | |
| 5305 } | |
| 5306 # endif | |
| 5307 | |
| 765 | 5308 # ifdef MACOS_CONVERT |
| 7 | 5309 else if (flags & FIO_MACROMAN) |
| 5310 { | |
| 5311 /* | |
| 5312 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5313 */ | |
| 5314 char_u *from; | |
| 5315 size_t fromlen; | |
| 5316 | |
| 5317 if (ip->bw_restlen > 0) | |
| 5318 { | |
| 5319 /* Need to concatenate the remainder of the previous call and | |
| 5320 * the bytes of the current call. Use the end of the | |
| 5321 * conversion buffer for this. */ | |
| 5322 fromlen = len + ip->bw_restlen; | |
| 5323 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5324 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5325 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5326 } | |
| 5327 else | |
| 5328 { | |
| 5329 from = buf; | |
| 5330 fromlen = len; | |
| 5331 } | |
| 5332 | |
| 18 | 5333 if (enc2macroman(from, fromlen, |
| 5334 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5335 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5336 { |
| 5337 ip->bw_conv_error = TRUE; | |
| 5338 return FAIL; | |
| 5339 } | |
| 5340 buf = ip->bw_conv_buf; | |
| 5341 } | |
| 5342 # endif | |
| 5343 | |
| 5344 # ifdef USE_ICONV | |
| 5345 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5346 { | |
| 5347 const char *from; | |
| 5348 size_t fromlen; | |
| 5349 char *to; | |
| 5350 size_t tolen; | |
| 5351 | |
| 5352 /* Convert with iconv(). */ | |
| 5353 if (ip->bw_restlen > 0) | |
| 5354 { | |
| 1836 | 5355 char *fp; |
| 5356 | |
| 7 | 5357 /* Need to concatenate the remainder of the previous call and |
| 5358 * the bytes of the current call. Use the end of the | |
| 5359 * conversion buffer for this. */ | |
| 5360 fromlen = len + ip->bw_restlen; | |
| 1836 | 5361 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5362 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5363 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5364 from = fp; | |
| 7 | 5365 tolen = ip->bw_conv_buflen - fromlen; |
| 5366 } | |
| 5367 else | |
| 5368 { | |
| 5369 from = (const char *)buf; | |
| 5370 fromlen = len; | |
| 5371 tolen = ip->bw_conv_buflen; | |
| 5372 } | |
| 5373 to = (char *)ip->bw_conv_buf; | |
| 5374 | |
| 5375 if (ip->bw_first) | |
| 5376 { | |
| 5377 size_t save_len = tolen; | |
| 5378 | |
| 5379 /* output the initial shift state sequence */ | |
| 5380 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5381 | |
| 5382 /* There is a bug in iconv() on Linux (which appears to be | |
| 5383 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5384 */ | |
| 5385 if (to == NULL) | |
| 5386 { | |
| 5387 to = (char *)ip->bw_conv_buf; | |
| 5388 tolen = save_len; | |
| 5389 } | |
| 5390 ip->bw_first = FALSE; | |
| 5391 } | |
| 5392 | |
| 5393 /* | |
| 5394 * If iconv() has an error or there is not enough room, fail. | |
| 5395 */ | |
| 5396 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5397 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5398 || fromlen > CONV_RESTLEN) | |
| 5399 { | |
| 5400 ip->bw_conv_error = TRUE; | |
| 5401 return FAIL; | |
| 5402 } | |
| 5403 | |
| 5404 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5405 if (fromlen > 0) | |
| 5406 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5407 ip->bw_restlen = (int)fromlen; | |
| 5408 | |
| 5409 buf = ip->bw_conv_buf; | |
| 5410 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5411 } | |
| 5412 # endif | |
| 5413 } | |
| 5414 #endif /* FEAT_MBYTE */ | |
| 5415 | |
| 5416 #ifdef FEAT_CRYPT | |
| 5417 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 5418 { | |
| 5419 int ztemp, t, i; | |
| 5420 | |
| 5421 for (i = 0; i < len; i++) | |
| 5422 { | |
| 5423 ztemp = buf[i]; | |
| 5424 buf[i] = ZENCODE(ztemp, t); | |
| 5425 } | |
| 5426 } | |
| 5427 #endif | |
| 5428 | |
| 5429 /* Repeat the write(), it may be interrupted by a signal. */ | |
| 1142 | 5430 while (len > 0) |
| 7 | 5431 { |
| 5432 wlen = vim_write(ip->bw_fd, buf, len); | |
| 5433 if (wlen <= 0) /* error! */ | |
| 5434 return FAIL; | |
| 5435 len -= wlen; | |
| 5436 buf += wlen; | |
| 5437 } | |
| 5438 return OK; | |
| 5439 } | |
| 5440 | |
| 5441 #ifdef FEAT_MBYTE | |
| 5442 /* | |
| 5443 * Convert a Unicode character to bytes. | |
| 1947 | 5444 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5445 */ |
| 5446 static int | |
| 5447 ucs2bytes(c, pp, flags) | |
| 5448 unsigned c; /* in: character */ | |
| 5449 char_u **pp; /* in/out: pointer to result */ | |
| 5450 int flags; /* FIO_ flags */ | |
| 5451 { | |
| 5452 char_u *p = *pp; | |
| 5453 int error = FALSE; | |
| 5454 int cc; | |
| 5455 | |
| 5456 | |
| 5457 if (flags & FIO_UCS4) | |
| 5458 { | |
| 5459 if (flags & FIO_ENDIAN_L) | |
| 5460 { | |
| 5461 *p++ = c; | |
| 5462 *p++ = (c >> 8); | |
| 5463 *p++ = (c >> 16); | |
| 5464 *p++ = (c >> 24); | |
| 5465 } | |
| 5466 else | |
| 5467 { | |
| 5468 *p++ = (c >> 24); | |
| 5469 *p++ = (c >> 16); | |
| 5470 *p++ = (c >> 8); | |
| 5471 *p++ = c; | |
| 5472 } | |
| 5473 } | |
| 5474 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5475 { | |
| 5476 if (c >= 0x10000) | |
| 5477 { | |
| 5478 if (flags & FIO_UTF16) | |
| 5479 { | |
| 5480 /* Make two words, ten bits of the character in each. First | |
| 5481 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5482 c -= 0x10000; | |
| 5483 if (c >= 0x100000) | |
| 5484 error = TRUE; | |
| 5485 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5486 if (flags & FIO_ENDIAN_L) | |
| 5487 { | |
| 5488 *p++ = cc; | |
| 5489 *p++ = ((unsigned)cc >> 8); | |
| 5490 } | |
| 5491 else | |
| 5492 { | |
| 5493 *p++ = ((unsigned)cc >> 8); | |
| 5494 *p++ = cc; | |
| 5495 } | |
| 5496 c = (c & 0x3ff) + 0xdc00; | |
| 5497 } | |
| 5498 else | |
| 5499 error = TRUE; | |
| 5500 } | |
| 5501 if (flags & FIO_ENDIAN_L) | |
| 5502 { | |
| 5503 *p++ = c; | |
| 5504 *p++ = (c >> 8); | |
| 5505 } | |
| 5506 else | |
| 5507 { | |
| 5508 *p++ = (c >> 8); | |
| 5509 *p++ = c; | |
| 5510 } | |
| 5511 } | |
| 5512 else /* Latin1 */ | |
| 5513 { | |
| 5514 if (c >= 0x100) | |
| 5515 { | |
| 5516 error = TRUE; | |
| 5517 *p++ = 0xBF; | |
| 5518 } | |
| 5519 else | |
| 5520 *p++ = c; | |
| 5521 } | |
| 5522 | |
| 5523 *pp = p; | |
| 5524 return error; | |
| 5525 } | |
| 5526 | |
| 5527 /* | |
| 1948 | 5528 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5529 * 'encoding'. | |
| 7 | 5530 */ |
| 5531 static int | |
| 1948 | 5532 need_conversion(fenc) |
| 5533 char_u *fenc; | |
| 7 | 5534 { |
| 1948 | 5535 int same_encoding; |
| 5536 int enc_flags; | |
| 5537 int fenc_flags; | |
| 5538 | |
| 5539 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
| 5540 same_encoding = TRUE; | |
| 5541 else | |
| 5542 { | |
| 5543 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5544 * "ucs-4be", etc. */ | |
| 5545 enc_flags = get_fio_flags(p_enc); | |
| 5546 fenc_flags = get_fio_flags(fenc); | |
| 5547 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5548 } | |
| 5549 if (same_encoding) | |
| 5550 { | |
| 5551 /* Specified encoding matches with 'encoding'. This requires | |
| 5552 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5553 return enc_unicode != 0; | |
| 5554 } | |
| 5555 | |
| 5556 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5557 * Unicode encoding and the file is UTF-8. */ | |
| 5558 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5559 } |
| 5560 | |
| 5561 /* | |
| 5562 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5563 * internal conversion. | |
| 5564 * if "ptr" is an empty string, use 'encoding'. | |
| 5565 */ | |
| 5566 static int | |
| 5567 get_fio_flags(ptr) | |
| 5568 char_u *ptr; | |
| 5569 { | |
| 5570 int prop; | |
| 5571 | |
| 5572 if (*ptr == NUL) | |
| 5573 ptr = p_enc; | |
| 5574 | |
| 5575 prop = enc_canon_props(ptr); | |
| 5576 if (prop & ENC_UNICODE) | |
| 5577 { | |
| 5578 if (prop & ENC_2BYTE) | |
| 5579 { | |
| 5580 if (prop & ENC_ENDIAN_L) | |
| 5581 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5582 return FIO_UCS2; | |
| 5583 } | |
| 5584 if (prop & ENC_4BYTE) | |
| 5585 { | |
| 5586 if (prop & ENC_ENDIAN_L) | |
| 5587 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5588 return FIO_UCS4; | |
| 5589 } | |
| 5590 if (prop & ENC_2WORD) | |
| 5591 { | |
| 5592 if (prop & ENC_ENDIAN_L) | |
| 5593 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5594 return FIO_UTF16; | |
| 5595 } | |
| 5596 return FIO_UTF8; | |
| 5597 } | |
| 5598 if (prop & ENC_LATIN1) | |
| 5599 return FIO_LATIN1; | |
| 5600 /* must be ENC_DBCS, requires iconv() */ | |
| 5601 return 0; | |
| 5602 } | |
| 5603 | |
| 5604 #ifdef WIN3264 | |
| 5605 /* | |
| 5606 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5607 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5608 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5609 */ | |
| 5610 static int | |
| 5611 get_win_fio_flags(ptr) | |
| 5612 char_u *ptr; | |
| 5613 { | |
| 5614 int cp; | |
| 5615 | |
| 5616 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5617 if (!enc_utf8 && enc_codepage <= 0) | |
| 5618 return 0; | |
| 5619 | |
| 5620 cp = encname2codepage(ptr); | |
| 5621 if (cp == 0) | |
| 5622 { | |
| 5623 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5624 if (STRCMP(ptr, "utf-8") == 0) | |
| 5625 cp = CP_UTF8; | |
| 5626 else | |
| 5627 # endif | |
| 5628 return 0; | |
| 5629 } | |
| 5630 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5631 } | |
| 5632 #endif | |
| 5633 | |
| 5634 #ifdef MACOS_X | |
| 5635 /* | |
| 5636 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5637 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5638 */ | |
| 5639 static int | |
| 5640 get_mac_fio_flags(ptr) | |
| 5641 char_u *ptr; | |
| 5642 { | |
| 5643 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5644 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5645 return FIO_MACROMAN; | |
| 5646 return 0; | |
| 5647 } | |
| 5648 #endif | |
| 5649 | |
| 5650 /* | |
| 5651 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5652 * "size" must be at least 2. | |
| 5653 * Return the name of the encoding and set "*lenp" to the length. | |
| 5654 * Returns NULL when no BOM found. | |
| 5655 */ | |
| 5656 static char_u * | |
| 5657 check_for_bom(p, size, lenp, flags) | |
| 5658 char_u *p; | |
| 5659 long size; | |
| 5660 int *lenp; | |
| 5661 int flags; | |
| 5662 { | |
| 5663 char *name = NULL; | |
| 5664 int len = 2; | |
| 5665 | |
| 5666 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5667 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5668 { |
| 5669 name = "utf-8"; /* EF BB BF */ | |
| 5670 len = 3; | |
| 5671 } | |
| 5672 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5673 { | |
| 5674 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5675 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5676 { | |
| 5677 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5678 len = 4; | |
| 5679 } | |
| 1735 | 5680 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5681 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5682 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5683 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5684 name = "utf-16le"; /* FF FE */ |
| 5685 } | |
| 5686 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5687 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5688 { | |
| 1547 | 5689 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5690 if (flags == FIO_UCS2) | |
| 5691 name = "ucs-2"; /* FE FF */ | |
| 5692 else | |
| 7 | 5693 name = "utf-16"; /* FE FF */ |
| 5694 } | |
| 5695 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5696 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5697 { | |
| 5698 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5699 len = 4; | |
| 5700 } | |
| 5701 | |
| 5702 *lenp = len; | |
| 5703 return (char_u *)name; | |
| 5704 } | |
| 5705 | |
| 5706 /* | |
| 5707 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5708 * Return the length of the BOM (zero when no BOM). | |
| 5709 */ | |
| 5710 static int | |
| 5711 make_bom(buf, name) | |
| 5712 char_u *buf; | |
| 5713 char_u *name; | |
| 5714 { | |
| 5715 int flags; | |
| 5716 char_u *p; | |
| 5717 | |
| 5718 flags = get_fio_flags(name); | |
| 5719 | |
| 5720 /* Can't put a BOM in a non-Unicode file. */ | |
| 5721 if (flags == FIO_LATIN1 || flags == 0) | |
| 5722 return 0; | |
| 5723 | |
| 5724 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 5725 { | |
| 5726 buf[0] = 0xef; | |
| 5727 buf[1] = 0xbb; | |
| 5728 buf[2] = 0xbf; | |
| 5729 return 3; | |
| 5730 } | |
| 5731 p = buf; | |
| 5732 (void)ucs2bytes(0xfeff, &p, flags); | |
| 5733 return (int)(p - buf); | |
| 5734 } | |
| 5735 #endif | |
| 5736 | |
| 1418 | 5737 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 5738 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 5739 /* |
| 5740 * Try to find a shortname by comparing the fullname with the current | |
| 5741 * directory. | |
| 1411 | 5742 * Returns "full_path" or pointer into "full_path" if shortened. |
| 5743 */ | |
| 5744 char_u * | |
| 5745 shorten_fname1(full_path) | |
| 5746 char_u *full_path; | |
| 5747 { | |
| 5748 char_u dirname[MAXPATHL]; | |
| 5749 char_u *p = full_path; | |
| 5750 | |
| 5751 if (mch_dirname(dirname, MAXPATHL) == OK) | |
| 5752 { | |
| 5753 p = shorten_fname(full_path, dirname); | |
| 5754 if (p == NULL || *p == NUL) | |
| 5755 p = full_path; | |
| 5756 } | |
| 5757 return p; | |
| 5758 } | |
| 1418 | 5759 #endif |
| 1411 | 5760 |
| 5761 /* | |
| 5762 * Try to find a shortname by comparing the fullname with the current | |
| 5763 * directory. | |
| 7 | 5764 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 5765 * otherwise. | |
| 5766 */ | |
| 5767 char_u * | |
| 5768 shorten_fname(full_path, dir_name) | |
| 5769 char_u *full_path; | |
| 5770 char_u *dir_name; | |
| 5771 { | |
| 5772 int len; | |
| 5773 char_u *p; | |
| 5774 | |
| 5775 if (full_path == NULL) | |
| 5776 return NULL; | |
| 5777 len = (int)STRLEN(dir_name); | |
| 5778 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 5779 { | |
| 5780 p = full_path + len; | |
| 5781 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5782 /* | |
| 5783 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 5784 * slash, since C: by itself does not define a specific dir. In this | |
| 5785 * case p may already be correct. <negri> | |
| 5786 */ | |
| 5787 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 5788 #endif | |
| 5789 { | |
| 5790 if (vim_ispathsep(*p)) | |
| 5791 ++p; | |
| 5792 #ifndef VMS /* the path separator is always part of the path */ | |
| 5793 else | |
| 5794 p = NULL; | |
| 5795 #endif | |
| 5796 } | |
| 5797 } | |
| 5798 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5799 /* | |
| 5800 * When using a file in the current drive, remove the drive name: | |
| 5801 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 5802 * a floppy from "A:\dir" to "B:\dir". | |
| 5803 */ | |
| 5804 else if (len > 3 | |
| 5805 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 5806 && full_path[1] == ':' | |
| 5807 && vim_ispathsep(full_path[2])) | |
| 5808 p = full_path + 2; | |
| 5809 #endif | |
| 5810 else | |
| 5811 p = NULL; | |
| 5812 return p; | |
| 5813 } | |
| 5814 | |
| 5815 /* | |
| 5816 * Shorten filenames for all buffers. | |
| 5817 * When "force" is TRUE: Use full path from now on for files currently being | |
| 5818 * edited, both for file name and swap file name. Try to shorten the file | |
| 5819 * names a bit, if safe to do so. | |
| 5820 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 5821 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 5822 * name. | |
| 5823 */ | |
| 5824 void | |
| 5825 shorten_fnames(force) | |
| 5826 int force; | |
| 5827 { | |
| 5828 char_u dirname[MAXPATHL]; | |
| 5829 buf_T *buf; | |
| 5830 char_u *p; | |
| 5831 | |
| 5832 mch_dirname(dirname, MAXPATHL); | |
| 5833 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 5834 { | |
| 5835 if (buf->b_fname != NULL | |
| 5836 #ifdef FEAT_QUICKFIX | |
| 5837 && !bt_nofile(buf) | |
| 5838 #endif | |
| 5839 && !path_with_url(buf->b_fname) | |
| 5840 && (force | |
| 5841 || buf->b_sfname == NULL | |
| 5842 || mch_isFullName(buf->b_sfname))) | |
| 5843 { | |
| 5844 vim_free(buf->b_sfname); | |
| 5845 buf->b_sfname = NULL; | |
| 5846 p = shorten_fname(buf->b_ffname, dirname); | |
| 5847 if (p != NULL) | |
| 5848 { | |
| 5849 buf->b_sfname = vim_strsave(p); | |
| 5850 buf->b_fname = buf->b_sfname; | |
| 5851 } | |
| 5852 if (p == NULL || buf->b_fname == NULL) | |
| 5853 buf->b_fname = buf->b_ffname; | |
| 9 | 5854 } |
| 5855 | |
| 5856 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 5857 * also have a swap file. */ | |
| 5858 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 5859 } |
| 5860 #ifdef FEAT_WINDOWS | |
| 5861 status_redraw_all(); | |
| 672 | 5862 redraw_tabline = TRUE; |
| 7 | 5863 #endif |
| 5864 } | |
| 5865 | |
| 5866 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 5867 || defined(FEAT_GUI_MSWIN) \ | |
| 5868 || defined(FEAT_GUI_MAC) \ | |
| 5869 || defined(PROTO) | |
| 5870 /* | |
| 5871 * Shorten all filenames in "fnames[count]" by current directory. | |
| 5872 */ | |
| 5873 void | |
| 5874 shorten_filenames(fnames, count) | |
| 5875 char_u **fnames; | |
| 5876 int count; | |
| 5877 { | |
| 5878 int i; | |
| 5879 char_u dirname[MAXPATHL]; | |
| 5880 char_u *p; | |
| 5881 | |
| 5882 if (fnames == NULL || count < 1) | |
| 5883 return; | |
| 5884 mch_dirname(dirname, sizeof(dirname)); | |
| 5885 for (i = 0; i < count; ++i) | |
| 5886 { | |
| 5887 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 5888 { | |
| 5889 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 5890 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 5891 * "p" first then free fnames[i]. */ | |
| 5892 p = vim_strsave(p); | |
| 5893 vim_free(fnames[i]); | |
| 5894 fnames[i] = p; | |
| 5895 } | |
| 5896 } | |
| 5897 } | |
| 5898 #endif | |
| 5899 | |
| 5900 /* | |
| 1651 | 5901 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 5902 * fo_o_h.ext for MSDOS or when shortname option set. |
| 5903 * | |
| 5904 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 5905 * the return value is a different name and ends in 'ext'. | |
| 5906 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 5907 * characters otherwise. | |
| 5908 * Space for the returned name is allocated, must be freed later. | |
| 5909 * Returns NULL when out of memory. | |
| 5910 */ | |
| 5911 char_u * | |
| 5912 modname(fname, ext, prepend_dot) | |
| 5913 char_u *fname, *ext; | |
| 5914 int prepend_dot; /* may prepend a '.' to file name */ | |
| 5915 { | |
| 5916 return buf_modname( | |
| 5917 #ifdef SHORT_FNAME | |
| 5918 TRUE, | |
| 5919 #else | |
| 5920 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 5921 #endif | |
| 5922 fname, ext, prepend_dot); | |
| 5923 } | |
| 5924 | |
| 5925 char_u * | |
| 5926 buf_modname(shortname, fname, ext, prepend_dot) | |
| 5927 int shortname; /* use 8.3 file name */ | |
| 5928 char_u *fname, *ext; | |
| 5929 int prepend_dot; /* may prepend a '.' to file name */ | |
| 5930 { | |
| 5931 char_u *retval; | |
| 5932 char_u *s; | |
| 5933 char_u *e; | |
| 5934 char_u *ptr; | |
| 5935 int fnamelen, extlen; | |
| 5936 | |
| 5937 extlen = (int)STRLEN(ext); | |
| 5938 | |
| 5939 /* | |
| 5940 * If there is no file name we must get the name of the current directory | |
| 5941 * (we need the full path in case :cd is used). | |
| 5942 */ | |
| 5943 if (fname == NULL || *fname == NUL) | |
| 5944 { | |
| 5945 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 5946 if (retval == NULL) | |
| 5947 return NULL; | |
| 5948 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 5949 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 5950 { | |
| 5951 vim_free(retval); | |
| 5952 return NULL; | |
| 5953 } | |
| 39 | 5954 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 5955 { |
| 5956 retval[fnamelen++] = PATHSEP; | |
| 5957 retval[fnamelen] = NUL; | |
| 5958 } | |
| 5959 #ifndef SHORT_FNAME | |
| 5960 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 5961 #endif | |
| 5962 } | |
| 5963 else | |
| 5964 { | |
| 5965 fnamelen = (int)STRLEN(fname); | |
| 5966 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 5967 if (retval == NULL) | |
| 5968 return NULL; | |
| 5969 STRCPY(retval, fname); | |
| 5970 #ifdef VMS | |
| 5971 vms_remove_version(retval); /* we do not need versions here */ | |
| 5972 #endif | |
| 5973 } | |
| 5974 | |
| 5975 /* | |
| 5976 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 5977 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 5978 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 5979 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 5980 */ | |
| 391 | 5981 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 5982 { |
| 5983 #ifndef RISCOS | |
| 5984 if (*ext == '.' | |
| 391 | 5985 # ifdef USE_LONG_FNAME |
| 7 | 5986 && (!USE_LONG_FNAME || shortname) |
| 391 | 5987 # else |
| 5988 # ifndef SHORT_FNAME | |
| 7 | 5989 && shortname |
| 391 | 5990 # endif |
| 7 | 5991 # endif |
| 5992 ) | |
| 5993 if (*ptr == '.') /* replace '.' by '_' */ | |
| 5994 *ptr = '_'; | |
| 391 | 5995 #endif |
| 7 | 5996 if (vim_ispathsep(*ptr)) |
| 391 | 5997 { |
| 5998 ++ptr; | |
| 7 | 5999 break; |
| 391 | 6000 } |
| 6001 } | |
| 7 | 6002 |
| 6003 /* the file name has at most BASENAMELEN characters. */ | |
| 6004 #ifndef SHORT_FNAME | |
| 6005 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6006 ptr[BASENAMELEN] = '\0'; | |
| 6007 #endif | |
| 6008 | |
| 6009 s = ptr + STRLEN(ptr); | |
| 6010 | |
| 6011 /* | |
| 6012 * For 8.3 file names we may have to reduce the length. | |
| 6013 */ | |
| 6014 #ifdef USE_LONG_FNAME | |
| 6015 if (!USE_LONG_FNAME || shortname) | |
| 6016 #else | |
| 6017 # ifndef SHORT_FNAME | |
| 6018 if (shortname) | |
| 6019 # endif | |
| 6020 #endif | |
| 6021 { | |
| 6022 /* | |
| 6023 * If there is no file name, or the file name ends in '/', and the | |
| 6024 * extension starts with '.', put a '_' before the dot, because just | |
| 6025 * ".ext" is invalid. | |
| 6026 */ | |
| 6027 if (fname == NULL || *fname == NUL | |
| 6028 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6029 { | |
| 6030 #ifdef RISCOS | |
| 6031 if (*ext == '/') | |
| 6032 #else | |
| 6033 if (*ext == '.') | |
| 6034 #endif | |
| 6035 *s++ = '_'; | |
| 6036 } | |
| 6037 /* | |
| 6038 * If the extension starts with '.', truncate the base name at 8 | |
| 6039 * characters | |
| 6040 */ | |
| 6041 #ifdef RISCOS | |
| 6042 /* We normally use '/', but swap files are '_' */ | |
| 6043 else if (*ext == '/' || *ext == '_') | |
| 6044 #else | |
| 6045 else if (*ext == '.') | |
| 6046 #endif | |
| 6047 { | |
| 1877 | 6048 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6049 { |
| 6050 s = ptr + 8; | |
| 6051 *s = '\0'; | |
| 6052 } | |
| 6053 } | |
| 6054 /* | |
| 6055 * If the extension doesn't start with '.', and the file name | |
| 6056 * doesn't have an extension yet, append a '.' | |
| 6057 */ | |
| 6058 #ifdef RISCOS | |
| 6059 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
| 6060 *s++ = '/'; | |
| 6061 #else | |
| 6062 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6063 *s++ = '.'; | |
| 6064 #endif | |
| 6065 /* | |
| 6066 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6067 * extension, it may need to be truncated |
| 7 | 6068 */ |
| 6069 else if ((int)STRLEN(e) + extlen > 4) | |
| 6070 s = e + 4 - extlen; | |
| 6071 } | |
| 6072 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6073 /* | |
| 6074 * If there is no file name, and the extension starts with '.', put a | |
| 6075 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6076 * FAT partition, and on HPFS it doesn't matter. | |
| 6077 */ | |
| 6078 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6079 *s++ = '_'; | |
| 6080 #endif | |
| 6081 | |
| 6082 /* | |
| 1651 | 6083 * Append the extension. |
| 7 | 6084 * ext can start with '.' and cannot exceed 3 more characters. |
| 6085 */ | |
| 6086 STRCPY(s, ext); | |
| 6087 | |
| 6088 #ifndef SHORT_FNAME | |
| 6089 /* | |
| 6090 * Prepend the dot. | |
| 6091 */ | |
| 6092 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
| 6093 #ifdef RISCOS | |
| 6094 '/' | |
| 6095 #else | |
| 6096 '.' | |
| 6097 #endif | |
| 6098 #ifdef USE_LONG_FNAME | |
| 6099 && USE_LONG_FNAME | |
| 6100 #endif | |
| 6101 ) | |
| 6102 { | |
| 1620 | 6103 STRMOVE(e + 1, e); |
| 7 | 6104 #ifdef RISCOS |
| 6105 *e = '/'; | |
| 6106 #else | |
| 6107 *e = '.'; | |
| 6108 #endif | |
| 6109 } | |
| 6110 #endif | |
| 6111 | |
| 6112 /* | |
| 6113 * Check that, after appending the extension, the file name is really | |
| 6114 * different. | |
| 6115 */ | |
| 6116 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6117 { | |
| 6118 /* we search for a character that can be replaced by '_' */ | |
| 6119 while (--s >= ptr) | |
| 6120 { | |
| 6121 if (*s != '_') | |
| 6122 { | |
| 6123 *s = '_'; | |
| 6124 break; | |
| 6125 } | |
| 6126 } | |
| 6127 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6128 *ptr = 'v'; | |
| 6129 } | |
| 6130 return retval; | |
| 6131 } | |
| 6132 | |
| 6133 /* | |
| 6134 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6135 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6136 */ | |
| 6137 int | |
| 6138 vim_fgets(buf, size, fp) | |
| 6139 char_u *buf; | |
| 6140 int size; | |
| 6141 FILE *fp; | |
| 6142 { | |
| 6143 char *eof; | |
| 6144 #define FGETS_SIZE 200 | |
| 6145 char tbuf[FGETS_SIZE]; | |
| 6146 | |
| 6147 buf[size - 2] = NUL; | |
| 6148 #ifdef USE_CR | |
| 6149 eof = fgets_cr((char *)buf, size, fp); | |
| 6150 #else | |
| 6151 eof = fgets((char *)buf, size, fp); | |
| 6152 #endif | |
| 6153 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6154 { | |
| 6155 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6156 | |
| 6157 /* Now throw away the rest of the line: */ | |
| 6158 do | |
| 6159 { | |
| 6160 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6161 #ifdef USE_CR | |
| 1757 | 6162 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6163 #else |
| 1757 | 6164 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6165 #endif |
| 6166 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6167 } | |
| 6168 return (eof == NULL); | |
| 6169 } | |
| 6170 | |
| 6171 #if defined(USE_CR) || defined(PROTO) | |
| 6172 /* | |
| 6173 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6174 * Returns TRUE for end-of-file. | |
| 6175 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6176 */ | |
| 6177 int | |
| 6178 tag_fgets(buf, size, fp) | |
| 6179 char_u *buf; | |
| 6180 int size; | |
| 6181 FILE *fp; | |
| 6182 { | |
| 6183 int i = 0; | |
| 6184 int c; | |
| 6185 int eof = FALSE; | |
| 6186 | |
| 6187 for (;;) | |
| 6188 { | |
| 6189 c = fgetc(fp); | |
| 6190 if (c == EOF) | |
| 6191 { | |
| 6192 eof = TRUE; | |
| 6193 break; | |
| 6194 } | |
| 6195 if (c == '\r') | |
| 6196 { | |
| 6197 /* Always store a NL for end-of-line. */ | |
| 6198 if (i < size - 1) | |
| 6199 buf[i++] = '\n'; | |
| 6200 c = fgetc(fp); | |
| 6201 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6202 ungetc(c, fp); | |
| 6203 break; | |
| 6204 } | |
| 6205 if (i < size - 1) | |
| 6206 buf[i++] = c; | |
| 6207 if (c == '\n') | |
| 6208 break; | |
| 6209 } | |
| 6210 buf[i] = NUL; | |
| 6211 return eof; | |
| 6212 } | |
| 6213 #endif | |
| 6214 | |
| 6215 /* | |
| 6216 * rename() only works if both files are on the same file system, this | |
| 6217 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6218 * Return -1 for failure, 0 for success. | |
| 6219 */ | |
| 6220 int | |
| 6221 vim_rename(from, to) | |
| 6222 char_u *from; | |
| 6223 char_u *to; | |
| 6224 { | |
| 6225 int fd_in; | |
| 6226 int fd_out; | |
| 6227 int n; | |
| 6228 char *errmsg = NULL; | |
| 6229 char *buffer; | |
| 6230 #ifdef AMIGA | |
| 6231 BPTR flock; | |
| 6232 #endif | |
| 6233 struct stat st; | |
| 194 | 6234 long perm; |
| 199 | 6235 #ifdef HAVE_ACL |
| 6236 vim_acl_T acl; /* ACL from original file */ | |
| 6237 #endif | |
| 1779 | 6238 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
| 6239 int use_tmp_file = FALSE; | |
| 6240 #endif | |
| 7 | 6241 |
| 6242 /* | |
| 1779 | 6243 * When the names are identical, there is nothing to do. When they refer |
| 6244 * to the same file (ignoring case and slash/backslash differences) but | |
| 6245 * the file name differs we need to go through a temp file. | |
| 7 | 6246 */ |
| 6247 if (fnamecmp(from, to) == 0) | |
| 1779 | 6248 { |
| 6249 #ifdef CASE_INSENSITIVE_FILENAME | |
| 6250 if (STRCMP(gettail(from), gettail(to)) != 0) | |
| 6251 use_tmp_file = TRUE; | |
| 6252 else | |
| 6253 #endif | |
| 6254 return 0; | |
| 6255 } | |
| 7 | 6256 |
| 6257 /* | |
| 6258 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6259 */ | |
| 6260 if (mch_stat((char *)from, &st) < 0) | |
| 6261 return -1; | |
| 6262 | |
| 1778 | 6263 #ifdef UNIX |
| 6264 { | |
| 6265 struct stat st_to; | |
| 6266 | |
| 6267 /* It's possible for the source and destination to be the same file. | |
| 6268 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6269 * filesystem. In that case go through a temp file name. */ | |
| 6270 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6271 && st.st_dev == st_to.st_dev | |
| 6272 && st.st_ino == st_to.st_ino) | |
| 1779 | 6273 use_tmp_file = TRUE; |
| 6274 } | |
| 6275 #endif | |
| 6276 | |
| 6277 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
| 6278 if (use_tmp_file) | |
| 6279 { | |
| 6280 char tempname[MAXPATHL + 1]; | |
| 6281 | |
| 6282 /* | |
| 6283 * Find a name that doesn't exist and is in the same directory. | |
| 6284 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6285 */ | |
| 6286 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6287 return -1; | |
| 6288 STRCPY(tempname, from); | |
| 6289 for (n = 123; n < 99999; ++n) | |
| 6290 { | |
| 6291 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6292 if (mch_stat(tempname, &st) < 0) | |
| 6293 { | |
| 6294 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6295 { |
| 1779 | 6296 if (mch_rename(tempname, (char *)to) == 0) |
| 6297 return 0; | |
| 6298 /* Strange, the second step failed. Try moving the | |
| 6299 * file back and return failure. */ | |
| 6300 mch_rename(tempname, (char *)from); | |
| 1778 | 6301 return -1; |
| 6302 } | |
| 1779 | 6303 /* If it fails for one temp name it will most likely fail |
| 6304 * for any temp name, give up. */ | |
| 6305 return -1; | |
| 6306 } | |
| 6307 } | |
| 6308 return -1; | |
| 1778 | 6309 } |
| 6310 #endif | |
| 6311 | |
| 7 | 6312 /* |
| 6313 * Delete the "to" file, this is required on some systems to make the | |
| 6314 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6315 * two files when the mch_rename() fails. | |
| 6316 */ | |
| 6317 | |
| 6318 #ifdef AMIGA | |
| 6319 /* | |
| 6320 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6321 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6322 * though the names are different. To avoid the chance of accidentally |
| 7 | 6323 * deleting the "from" file (horror!) we lock it during the remove. |
| 6324 * | |
| 6325 * When used for making a backup before writing the file: This should not | |
| 6326 * happen with ":w", because startscript() should detect this problem and | |
| 6327 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6328 * name. This problem does exist with ":w filename", but then the | |
| 6329 * original file will be somewhere else so the backup isn't really | |
| 6330 * important. If autoscripting is off the rename may fail. | |
| 6331 */ | |
| 6332 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6333 #endif | |
| 6334 mch_remove(to); | |
| 6335 #ifdef AMIGA | |
| 6336 if (flock) | |
| 6337 UnLock(flock); | |
| 6338 #endif | |
| 6339 | |
| 6340 /* | |
| 6341 * First try a normal rename, return if it works. | |
| 6342 */ | |
| 6343 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6344 return 0; | |
| 6345 | |
| 6346 /* | |
| 6347 * Rename() failed, try copying the file. | |
| 6348 */ | |
| 194 | 6349 perm = mch_getperm(from); |
| 199 | 6350 #ifdef HAVE_ACL |
| 6351 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6352 acl = mch_get_acl(from); | |
| 6353 #endif | |
| 7 | 6354 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6355 if (fd_in == -1) | |
| 1651 | 6356 { |
| 6357 #ifdef HAVE_ACL | |
| 6358 mch_free_acl(acl); | |
| 6359 #endif | |
| 7 | 6360 return -1; |
| 1651 | 6361 } |
| 194 | 6362 |
| 6363 /* Create the new file with same permissions as the original. */ | |
| 557 | 6364 fd_out = mch_open((char *)to, |
| 6365 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6366 if (fd_out == -1) |
| 6367 { | |
| 6368 close(fd_in); | |
| 1651 | 6369 #ifdef HAVE_ACL |
| 6370 mch_free_acl(acl); | |
| 6371 #endif | |
| 7 | 6372 return -1; |
| 6373 } | |
| 6374 | |
| 6375 buffer = (char *)alloc(BUFSIZE); | |
| 6376 if (buffer == NULL) | |
| 6377 { | |
| 1651 | 6378 close(fd_out); |
| 7 | 6379 close(fd_in); |
| 1651 | 6380 #ifdef HAVE_ACL |
| 6381 mch_free_acl(acl); | |
| 6382 #endif | |
| 7 | 6383 return -1; |
| 6384 } | |
| 6385 | |
| 6386 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0) | |
| 6387 if (vim_write(fd_out, buffer, n) != n) | |
| 6388 { | |
| 6389 errmsg = _("E208: Error writing to \"%s\""); | |
| 6390 break; | |
| 6391 } | |
| 6392 | |
| 6393 vim_free(buffer); | |
| 6394 close(fd_in); | |
| 6395 if (close(fd_out) < 0) | |
| 6396 errmsg = _("E209: Error closing \"%s\""); | |
| 6397 if (n < 0) | |
| 6398 { | |
| 6399 errmsg = _("E210: Error reading \"%s\""); | |
| 6400 to = from; | |
| 6401 } | |
| 1201 | 6402 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6403 mch_setperm(to, perm); |
| 570 | 6404 #endif |
| 199 | 6405 #ifdef HAVE_ACL |
| 6406 mch_set_acl(to, acl); | |
| 1651 | 6407 mch_free_acl(acl); |
| 199 | 6408 #endif |
| 7 | 6409 if (errmsg != NULL) |
| 6410 { | |
| 6411 EMSG2(errmsg, to); | |
| 6412 return -1; | |
| 6413 } | |
| 6414 mch_remove(from); | |
| 6415 return 0; | |
| 6416 } | |
| 6417 | |
| 6418 static int already_warned = FALSE; | |
| 6419 | |
| 6420 /* | |
| 6421 * Check if any not hidden buffer has been changed. | |
| 6422 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6423 * command is being executed, a mapping is being executed or an autocommand is | |
| 6424 * busy. | |
| 6425 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6426 * cursor positioned). | |
| 6427 */ | |
| 6428 int | |
| 6429 check_timestamps(focus) | |
| 6430 int focus; /* called for GUI focus event */ | |
| 6431 { | |
| 6432 buf_T *buf; | |
| 6433 int didit = 0; | |
| 6434 int n; | |
| 6435 | |
| 6436 /* Don't check timestamps while system() or another low-level function may | |
| 6437 * cause us to lose and gain focus. */ | |
| 6438 if (no_check_timestamps > 0) | |
| 6439 return FALSE; | |
| 6440 | |
| 6441 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6442 * event and we would keep on checking if the file is steadily growing. | |
| 6443 * Do check again after typing something. */ | |
| 6444 if (focus && did_check_timestamps) | |
| 6445 { | |
| 6446 need_check_timestamps = TRUE; | |
| 6447 return FALSE; | |
| 6448 } | |
| 6449 | |
| 6450 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6451 #ifdef FEAT_AUTOCMD | |
| 1834 | 6452 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6453 #endif |
| 6454 ) | |
| 6455 need_check_timestamps = TRUE; /* check later */ | |
| 6456 else | |
| 6457 { | |
| 6458 ++no_wait_return; | |
| 6459 did_check_timestamps = TRUE; | |
| 6460 already_warned = FALSE; | |
| 6461 for (buf = firstbuf; buf != NULL; ) | |
| 6462 { | |
| 6463 /* Only check buffers in a window. */ | |
| 6464 if (buf->b_nwindows > 0) | |
| 6465 { | |
| 6466 n = buf_check_timestamp(buf, focus); | |
| 6467 if (didit < n) | |
| 6468 didit = n; | |
| 6469 if (n > 0 && !buf_valid(buf)) | |
| 6470 { | |
| 6471 /* Autocommands have removed the buffer, start at the | |
| 6472 * first one again. */ | |
| 6473 buf = firstbuf; | |
| 6474 continue; | |
| 6475 } | |
| 6476 } | |
| 6477 buf = buf->b_next; | |
| 6478 } | |
| 6479 --no_wait_return; | |
| 6480 need_check_timestamps = FALSE; | |
| 6481 if (need_wait_return && didit == 2) | |
| 6482 { | |
| 6483 /* make sure msg isn't overwritten */ | |
| 6484 msg_puts((char_u *)"\n"); | |
| 6485 out_flush(); | |
| 6486 } | |
| 6487 } | |
| 6488 return didit; | |
| 6489 } | |
| 6490 | |
| 6491 /* | |
| 6492 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6493 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6494 * empty. | |
| 6495 */ | |
| 6496 static int | |
| 6497 move_lines(frombuf, tobuf) | |
| 6498 buf_T *frombuf; | |
| 6499 buf_T *tobuf; | |
| 6500 { | |
| 6501 buf_T *tbuf = curbuf; | |
| 6502 int retval = OK; | |
| 6503 linenr_T lnum; | |
| 6504 char_u *p; | |
| 6505 | |
| 6506 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6507 curbuf = tobuf; | |
| 6508 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6509 { | |
| 6510 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6511 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6512 { | |
| 6513 vim_free(p); | |
| 6514 retval = FAIL; | |
| 6515 break; | |
| 6516 } | |
| 6517 vim_free(p); | |
| 6518 } | |
| 6519 | |
| 6520 /* Delete all the lines in "frombuf". */ | |
| 6521 if (retval != FAIL) | |
| 6522 { | |
| 6523 curbuf = frombuf; | |
| 1055 | 6524 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6525 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6526 { |
| 6527 /* Oops! We could try putting back the saved lines, but that | |
| 6528 * might fail again... */ | |
| 6529 retval = FAIL; | |
| 6530 break; | |
| 6531 } | |
| 6532 } | |
| 6533 | |
| 6534 curbuf = tbuf; | |
| 6535 return retval; | |
| 6536 } | |
| 6537 | |
| 6538 /* | |
| 6539 * Check if buffer "buf" has been changed. | |
| 6540 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6541 * return 1 if a changed buffer was found. | |
| 6542 * return 2 if a message has been displayed. | |
| 6543 * return 0 otherwise. | |
| 6544 */ | |
| 6545 int | |
| 6546 buf_check_timestamp(buf, focus) | |
| 6547 buf_T *buf; | |
| 1877 | 6548 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6549 { |
| 6550 struct stat st; | |
| 6551 int stat_res; | |
| 6552 int retval = 0; | |
| 6553 char_u *path; | |
| 6554 char_u *tbuf; | |
| 6555 char *mesg = NULL; | |
| 188 | 6556 char *mesg2 = ""; |
| 7 | 6557 int helpmesg = FALSE; |
| 6558 int reload = FALSE; | |
| 6559 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6560 int can_reload = FALSE; | |
| 6561 #endif | |
| 6562 size_t orig_size = buf->b_orig_size; | |
| 6563 int orig_mode = buf->b_orig_mode; | |
| 6564 #ifdef FEAT_GUI | |
| 6565 int save_mouse_correct = need_mouse_correct; | |
| 6566 #endif | |
| 6567 #ifdef FEAT_AUTOCMD | |
| 6568 static int busy = FALSE; | |
| 179 | 6569 int n; |
| 6570 char_u *s; | |
| 6571 #endif | |
| 6572 char *reason; | |
| 7 | 6573 |
| 6574 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6575 * set, we are in the middle of a save or being called recursively: ignore | |
| 6576 * this buffer. */ | |
| 6577 if (buf->b_ffname == NULL | |
| 6578 || buf->b_ml.ml_mfp == NULL | |
| 6579 #if defined(FEAT_QUICKFIX) | |
| 6580 || *buf->b_p_bt != NUL | |
| 6581 #endif | |
| 6582 || buf->b_saving | |
| 6583 #ifdef FEAT_AUTOCMD | |
| 6584 || busy | |
| 6585 #endif | |
| 33 | 6586 #ifdef FEAT_NETBEANS_INTG |
| 6587 || isNetbeansBuffer(buf) | |
| 6588 #endif | |
| 7 | 6589 ) |
| 6590 return 0; | |
| 6591 | |
| 6592 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6593 && buf->b_mtime != 0 | |
| 6594 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6595 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6596 #ifdef HAVE_ST_MODE | |
| 6597 || (int)st.st_mode != buf->b_orig_mode | |
| 6598 #else | |
| 6599 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6600 #endif | |
| 6601 )) | |
| 6602 { | |
| 6603 retval = 1; | |
| 6604 | |
| 628 | 6605 /* set b_mtime to stop further warnings (e.g., when executing |
| 6606 * FileChangedShell autocmd) */ | |
| 7 | 6607 if (stat_res < 0) |
| 6608 { | |
| 6609 buf->b_mtime = 0; | |
| 6610 buf->b_orig_size = 0; | |
| 6611 buf->b_orig_mode = 0; | |
| 6612 } | |
| 6613 else | |
| 6614 buf_store_time(buf, &st, buf->b_ffname); | |
| 6615 | |
| 6616 /* Don't do anything for a directory. Might contain the file | |
| 6617 * explorer. */ | |
| 6618 if (mch_isdir(buf->b_fname)) | |
| 6619 ; | |
| 6620 | |
| 6621 /* | |
| 6622 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6623 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6624 * was set, the global option value otherwise. | |
| 6625 */ | |
| 6626 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6627 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6628 reload = TRUE; | |
| 6629 else | |
| 6630 { | |
| 179 | 6631 if (stat_res < 0) |
| 6632 reason = "deleted"; | |
| 6633 else if (bufIsChanged(buf)) | |
| 6634 reason = "conflict"; | |
| 6635 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6636 reason = "changed"; | |
| 6637 else if (orig_mode != buf->b_orig_mode) | |
| 6638 reason = "mode"; | |
| 6639 else | |
| 6640 reason = "time"; | |
| 6641 | |
| 7 | 6642 #ifdef FEAT_AUTOCMD |
| 6643 /* | |
| 6644 * Only give the warning if there are no FileChangedShell | |
| 6645 * autocommands. | |
| 6646 * Avoid being called recursively by setting "busy". | |
| 6647 */ | |
| 6648 busy = TRUE; | |
| 532 | 6649 # ifdef FEAT_EVAL |
| 179 | 6650 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6651 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6652 # endif |
| 1834 | 6653 ++allbuf_lock; |
| 7 | 6654 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6655 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6656 --allbuf_lock; |
| 7 | 6657 busy = FALSE; |
| 6658 if (n) | |
| 6659 { | |
| 6660 if (!buf_valid(buf)) | |
| 6661 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6662 # ifdef FEAT_EVAL |
| 179 | 6663 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6664 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6665 reload = TRUE; | |
| 6666 else if (STRCMP(s, "ask") == 0) | |
| 6667 n = FALSE; | |
| 6668 else | |
| 532 | 6669 # endif |
| 179 | 6670 return 2; |
| 7 | 6671 } |
| 179 | 6672 if (!n) |
| 7 | 6673 #endif |
| 6674 { | |
| 179 | 6675 if (*reason == 'd') |
| 6676 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6677 else |
| 6678 { | |
| 6679 helpmesg = TRUE; | |
| 6680 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6681 can_reload = TRUE; | |
| 6682 #endif | |
| 6683 /* | |
| 6684 * Check if the file contents really changed to avoid | |
| 6685 * giving a warning when only the timestamp was set (e.g., | |
| 6686 * checked out of CVS). Always warn when the buffer was | |
| 6687 * changed. | |
| 6688 */ | |
| 179 | 6689 if (reason[2] == 'n') |
| 6690 { | |
| 7 | 6691 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6692 mesg2 = _("See \":help W12\" for more info."); |
| 6693 } | |
| 6694 else if (reason[1] == 'h') | |
| 6695 { | |
| 7 | 6696 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6697 mesg2 = _("See \":help W11\" for more info."); |
| 6698 } | |
| 6699 else if (*reason == 'm') | |
| 6700 { | |
| 7 | 6701 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6702 mesg2 = _("See \":help W16\" for more info."); |
| 6703 } | |
| 1913 | 6704 else |
| 6705 /* Only timestamp changed, store it to avoid a warning | |
| 6706 * in check_mtime() later. */ | |
| 6707 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 6708 } |
| 6709 } | |
| 6710 } | |
| 6711 | |
| 6712 } | |
| 6713 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 6714 && vim_fexists(buf->b_ffname)) | |
| 6715 { | |
| 6716 retval = 1; | |
| 6717 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 6718 buf->b_flags |= BF_NEW_W; | |
| 6719 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6720 can_reload = TRUE; | |
| 6721 #endif | |
| 6722 } | |
| 6723 | |
| 6724 if (mesg != NULL) | |
| 6725 { | |
| 6726 path = home_replace_save(buf, buf->b_fname); | |
| 6727 if (path != NULL) | |
| 6728 { | |
| 179 | 6729 if (!helpmesg) |
| 7 | 6730 mesg2 = ""; |
| 6731 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 6732 + STRLEN(mesg2) + 2)); | |
| 6733 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 6734 #ifdef FEAT_EVAL |
| 6735 /* Set warningmsg here, before the unimportant and output-specific | |
| 6736 * mesg2 has been appended. */ | |
| 6737 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 6738 #endif | |
| 7 | 6739 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 6740 if (can_reload) | |
| 6741 { | |
| 6742 if (*mesg2 != NUL) | |
| 6743 { | |
| 6744 STRCAT(tbuf, "\n"); | |
| 6745 STRCAT(tbuf, mesg2); | |
| 6746 } | |
| 6747 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 6748 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2) | |
| 6749 reload = TRUE; | |
| 6750 } | |
| 6751 else | |
| 6752 #endif | |
| 6753 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 6754 { | |
| 6755 if (*mesg2 != NUL) | |
| 6756 { | |
| 6757 STRCAT(tbuf, "; "); | |
| 6758 STRCAT(tbuf, mesg2); | |
| 6759 } | |
| 6760 EMSG(tbuf); | |
| 6761 retval = 2; | |
| 6762 } | |
| 6763 else | |
| 6764 { | |
| 8 | 6765 # ifdef FEAT_AUTOCMD |
| 7 | 6766 if (!autocmd_busy) |
| 8 | 6767 # endif |
| 7 | 6768 { |
| 6769 msg_start(); | |
| 6770 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 6771 if (*mesg2 != NUL) | |
| 6772 msg_puts_attr((char_u *)mesg2, | |
| 6773 hl_attr(HLF_W) + MSG_HIST); | |
| 6774 msg_clr_eos(); | |
| 6775 (void)msg_end(); | |
| 6776 if (emsg_silent == 0) | |
| 6777 { | |
| 6778 out_flush(); | |
| 8 | 6779 # ifdef FEAT_GUI |
| 7 | 6780 if (!focus) |
| 8 | 6781 # endif |
| 7 | 6782 /* give the user some time to think about it */ |
| 6783 ui_delay(1000L, TRUE); | |
| 6784 | |
| 6785 /* don't redraw and erase the message */ | |
| 6786 redraw_cmdline = FALSE; | |
| 6787 } | |
| 6788 } | |
| 6789 already_warned = TRUE; | |
| 6790 } | |
| 6791 | |
| 6792 vim_free(path); | |
| 6793 vim_free(tbuf); | |
| 6794 } | |
| 6795 } | |
| 6796 | |
| 6797 if (reload) | |
| 311 | 6798 /* Reload the buffer. */ |
| 628 | 6799 buf_reload(buf, orig_mode); |
| 7 | 6800 |
| 765 | 6801 #ifdef FEAT_AUTOCMD |
| 1620 | 6802 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 6803 if (buf_valid(buf) && retval != 0) | |
| 765 | 6804 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 6805 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 6806 #endif | |
| 7 | 6807 #ifdef FEAT_GUI |
| 6808 /* restore this in case an autocommand has set it; it would break | |
| 6809 * 'mousefocus' */ | |
| 6810 need_mouse_correct = save_mouse_correct; | |
| 6811 #endif | |
| 6812 | |
| 6813 return retval; | |
| 6814 } | |
| 6815 | |
| 311 | 6816 /* |
| 6817 * Reload a buffer that is already loaded. | |
| 6818 * Used when the file was changed outside of Vim. | |
| 628 | 6819 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 6820 * buf->b_orig_mode may have been reset already. | |
| 311 | 6821 */ |
| 6822 void | |
| 628 | 6823 buf_reload(buf, orig_mode) |
| 311 | 6824 buf_T *buf; |
| 628 | 6825 int orig_mode; |
| 311 | 6826 { |
| 6827 exarg_T ea; | |
| 6828 pos_T old_cursor; | |
| 6829 linenr_T old_topline; | |
| 6830 int old_ro = buf->b_p_ro; | |
| 6831 buf_T *savebuf; | |
| 6832 int saved = OK; | |
| 6833 aco_save_T aco; | |
| 6834 | |
| 6835 /* set curwin/curbuf for "buf" and save some things */ | |
| 6836 aucmd_prepbuf(&aco, buf); | |
| 6837 | |
| 6838 /* We only want to read the text from the file, not reset the syntax | |
| 6839 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 6840 * and encoding to be the same. */ | |
| 6841 if (prep_exarg(&ea, buf) == OK) | |
| 6842 { | |
| 6843 old_cursor = curwin->w_cursor; | |
| 6844 old_topline = curwin->w_topline; | |
| 6845 | |
| 6846 /* | |
| 6847 * To behave like when a new file is edited (matters for | |
| 6848 * BufReadPost autocommands) we first need to delete the current | |
| 6849 * buffer contents. But if reading the file fails we should keep | |
| 6850 * the old contents. Can't use memory only, the file might be | |
| 6851 * too big. Use a hidden buffer to move the buffer contents to. | |
| 6852 */ | |
| 6853 if (bufempty()) | |
| 6854 savebuf = NULL; | |
| 6855 else | |
| 6856 { | |
| 6857 /* Allocate a buffer without putting it in the buffer list. */ | |
| 6858 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 6859 if (savebuf != NULL && buf == curbuf) |
| 311 | 6860 { |
| 6861 /* Open the memline. */ | |
| 6862 curbuf = savebuf; | |
| 6863 curwin->w_buffer = savebuf; | |
| 625 | 6864 saved = ml_open(curbuf); |
| 311 | 6865 curbuf = buf; |
| 6866 curwin->w_buffer = buf; | |
| 6867 } | |
| 837 | 6868 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 6869 || move_lines(buf, savebuf) == FAIL) |
| 6870 { | |
| 6871 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 6872 buf->b_fname); | |
| 6873 saved = FAIL; | |
| 6874 } | |
| 6875 } | |
| 6876 | |
| 6877 if (saved == OK) | |
| 6878 { | |
| 6879 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 6880 #ifdef FEAT_AUTOCMD | |
| 6881 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 6882 #endif | |
| 6883 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 6884 (linenr_T)0, | |
| 6885 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL) | |
| 6886 { | |
| 6887 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 6888 if (!aborting()) | |
| 6889 #endif | |
| 6890 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 6891 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 6892 { |
| 6893 /* Put the text back from the save buffer. First | |
| 6894 * delete any lines that readfile() added. */ | |
| 6895 while (!bufempty()) | |
| 837 | 6896 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 6897 break; |
| 6898 (void)move_lines(savebuf, buf); | |
| 6899 } | |
| 6900 } | |
| 837 | 6901 else if (buf == curbuf) |
| 311 | 6902 { |
| 6903 /* Mark the buffer as unmodified and free undo info. */ | |
| 6904 unchanged(buf, TRUE); | |
| 6905 u_blockfree(buf); | |
| 6906 u_clearall(buf); | |
| 6907 } | |
| 6908 } | |
| 6909 vim_free(ea.cmd); | |
| 6910 | |
| 837 | 6911 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 6912 wipe_buffer(savebuf, FALSE); |
| 6913 | |
| 6914 #ifdef FEAT_DIFF | |
| 6915 /* Invalidate diff info if necessary. */ | |
| 837 | 6916 diff_invalidate(curbuf); |
| 311 | 6917 #endif |
| 6918 | |
| 6919 /* Restore the topline and cursor position and check it (lines may | |
| 6920 * have been removed). */ | |
| 6921 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 6922 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 6923 else | |
| 6924 curwin->w_topline = old_topline; | |
| 6925 curwin->w_cursor = old_cursor; | |
| 6926 check_cursor(); | |
| 6927 update_topline(); | |
| 6928 #ifdef FEAT_AUTOCMD | |
| 6929 keep_filetype = FALSE; | |
| 6930 #endif | |
| 6931 #ifdef FEAT_FOLDING | |
| 6932 { | |
| 1863 | 6933 win_T *wp; |
| 6934 tabpage_T *tp; | |
| 311 | 6935 |
| 6936 /* Update folds unless they are defined manually. */ | |
| 1863 | 6937 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 6938 if (wp->w_buffer == curwin->w_buffer |
| 6939 && !foldmethodIsManual(wp)) | |
| 6940 foldUpdateAll(wp); | |
| 6941 } | |
| 6942 #endif | |
| 6943 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 6944 * value; the user probably used the ":view" command. But don't | |
| 6945 * reset it, might have had a read error. */ | |
| 6946 if (orig_mode == curbuf->b_orig_mode) | |
| 6947 curbuf->b_p_ro |= old_ro; | |
| 6948 } | |
| 6949 | |
| 6950 /* restore curwin/curbuf and a few other things */ | |
| 6951 aucmd_restbuf(&aco); | |
| 6952 /* Careful: autocommands may have made "buf" invalid! */ | |
| 6953 } | |
| 6954 | |
| 7 | 6955 void |
| 6956 buf_store_time(buf, st, fname) | |
| 6957 buf_T *buf; | |
| 6958 struct stat *st; | |
| 1877 | 6959 char_u *fname UNUSED; |
| 7 | 6960 { |
| 6961 buf->b_mtime = (long)st->st_mtime; | |
| 6962 buf->b_orig_size = (size_t)st->st_size; | |
| 6963 #ifdef HAVE_ST_MODE | |
| 6964 buf->b_orig_mode = (int)st->st_mode; | |
| 6965 #else | |
| 6966 buf->b_orig_mode = mch_getperm(fname); | |
| 6967 #endif | |
| 6968 } | |
| 6969 | |
| 6970 /* | |
| 6971 * Adjust the line with missing eol, used for the next write. | |
| 6972 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 6973 */ | |
| 6974 void | |
| 6975 write_lnum_adjust(offset) | |
| 6976 linenr_T offset; | |
| 6977 { | |
| 167 | 6978 if (write_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7 | 6979 write_no_eol_lnum += offset; |
| 6980 } | |
| 6981 | |
| 6982 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 6983 static long temp_count = 0; /* Temp filename counter. */ | |
| 6984 | |
| 6985 /* | |
| 6986 * Delete the temp directory and all files it contains. | |
| 6987 */ | |
| 6988 void | |
| 6989 vim_deltempdir() | |
| 6990 { | |
| 6991 char_u **files; | |
| 6992 int file_count; | |
| 6993 int i; | |
| 6994 | |
| 6995 if (vim_tempdir != NULL) | |
| 6996 { | |
| 6997 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 6998 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 6999 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 7000 { | |
| 7001 for (i = 0; i < file_count; ++i) | |
| 7002 mch_remove(files[i]); | |
| 7003 FreeWild(file_count, files); | |
| 7004 } | |
| 7005 gettail(NameBuff)[-1] = NUL; | |
| 7006 (void)mch_rmdir(NameBuff); | |
| 7007 | |
| 7008 vim_free(vim_tempdir); | |
| 7009 vim_tempdir = NULL; | |
| 7010 } | |
| 7011 } | |
| 7012 #endif | |
| 7013 | |
| 2006 | 7014 #ifdef TEMPDIRNAMES |
| 7 | 7015 /* |
| 1997 | 7016 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7017 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7018 * "tempdir" must be no longer than MAXPATHL. | |
| 7019 */ | |
| 7020 static void | |
| 7021 vim_settempdir(tempdir) | |
| 7022 char_u *tempdir; | |
| 7023 { | |
| 7024 char_u *buf; | |
| 7025 | |
| 7026 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7027 if (buf != NULL) | |
| 7028 { | |
| 7029 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7030 STRCPY(buf, tempdir); | |
| 7031 # ifdef __EMX__ | |
| 7032 if (vim_strchr(buf, '/') != NULL) | |
| 7033 STRCAT(buf, "/"); | |
| 7034 else | |
| 7035 # endif | |
| 7036 add_pathsep(buf); | |
| 7037 vim_tempdir = vim_strsave(buf); | |
| 7038 vim_free(buf); | |
| 7039 } | |
| 7040 } | |
| 2006 | 7041 #endif |
| 1997 | 7042 |
| 7043 /* | |
| 7 | 7044 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7045 * | |
| 7046 * The temp file is NOT created. | |
| 7047 * | |
| 7048 * The returned pointer is to allocated memory. | |
| 7049 * The returned pointer is NULL if no valid name was found. | |
| 7050 */ | |
| 7051 char_u * | |
| 7052 vim_tempname(extra_char) | |
| 1877 | 7053 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7054 { |
| 7055 #ifdef USE_TMPNAM | |
| 7056 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7057 #else | |
| 7058 char_u itmp[TEMPNAMELEN]; | |
| 7059 #endif | |
| 7060 | |
| 7061 #ifdef TEMPDIRNAMES | |
| 7062 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7063 int i; | |
| 7064 # ifndef EEXIST | |
| 7065 struct stat st; | |
| 7066 # endif | |
| 7067 | |
| 7068 /* | |
| 7069 * This will create a directory for private use by this instance of Vim. | |
| 7070 * This is done once, and the same directory is used for all temp files. | |
| 7071 * This method avoids security problems because of symlink attacks et al. | |
| 7072 * It's also a bit faster, because we only need to check for an existing | |
| 7073 * file when creating the directory and not for each temp file. | |
| 7074 */ | |
| 7075 if (vim_tempdir == NULL) | |
| 7076 { | |
| 7077 /* | |
| 7078 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7079 */ | |
| 1877 | 7080 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7081 { |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7082 # ifndef HAVE_MKDTEMP |
| 1997 | 7083 size_t itmplen; |
| 7084 long nr; | |
| 7085 long off; | |
| 7086 # endif | |
| 7087 | |
| 7 | 7088 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7089 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7090 if (mch_isdir(itmp)) /* directory exists */ | |
| 7091 { | |
| 7092 # ifdef __EMX__ | |
| 7093 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7094 * tcsh), don't add a backslash, use a forward slash! | |
| 7095 * Adding 2 backslashes didn't work. */ | |
| 7096 if (vim_strchr(itmp, '/') != NULL) | |
| 7097 STRCAT(itmp, "/"); | |
| 7098 else | |
| 7099 # endif | |
| 7100 add_pathsep(itmp); | |
| 1997 | 7101 |
| 7102 # ifdef HAVE_MKDTEMP | |
| 7103 /* Leave room for filename */ | |
| 7104 STRCAT(itmp, "vXXXXXX"); | |
| 7105 if (mkdtemp((char *)itmp) != NULL) | |
| 7106 vim_settempdir(itmp); | |
| 7107 # else | |
| 7 | 7108 /* Get an arbitrary number of up to 6 digits. When it's |
| 7109 * unlikely that it already exists it will be faster, | |
| 7110 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7111 * security problems because of the predictable number. */ | |
| 7112 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7113 itmplen = STRLEN(itmp); |
| 7 | 7114 |
| 7115 /* Try up to 10000 different values until we find a name that | |
| 7116 * doesn't exist. */ | |
| 7117 for (off = 0; off < 10000L; ++off) | |
| 7118 { | |
| 7119 int r; | |
| 1997 | 7120 # if defined(UNIX) || defined(VMS) |
| 7 | 7121 mode_t umask_save; |
| 1997 | 7122 # endif |
| 7123 | |
| 7124 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7125 # ifndef EEXIST | |
| 7 | 7126 /* If mkdir() does not set errno to EEXIST, check for |
| 7127 * existing file here. There is a race condition then, | |
| 7128 * although it's fail-safe. */ | |
| 7129 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7130 continue; | |
| 1997 | 7131 # endif |
| 7132 # if defined(UNIX) || defined(VMS) | |
| 7 | 7133 /* Make sure the umask doesn't remove the executable bit. |
| 7134 * "repl" has been reported to use "177". */ | |
| 7135 umask_save = umask(077); | |
| 1997 | 7136 # endif |
| 7 | 7137 r = vim_mkdir(itmp, 0700); |
| 1997 | 7138 # if defined(UNIX) || defined(VMS) |
| 7 | 7139 (void)umask(umask_save); |
| 1997 | 7140 # endif |
| 7 | 7141 if (r == 0) |
| 7142 { | |
| 1997 | 7143 vim_settempdir(itmp); |
| 7 | 7144 break; |
| 7145 } | |
| 1997 | 7146 # ifdef EEXIST |
| 7 | 7147 /* If the mkdir() didn't fail because the file/dir exists, |
| 7148 * we probably can't create any dir here, try another | |
| 7149 * place. */ | |
| 7150 if (errno != EEXIST) | |
| 1997 | 7151 # endif |
| 7 | 7152 break; |
| 7153 } | |
| 1997 | 7154 # endif /* HAVE_MKDTEMP */ |
| 7 | 7155 if (vim_tempdir != NULL) |
| 7156 break; | |
| 7157 } | |
| 7158 } | |
| 7159 } | |
| 7160 | |
| 7161 if (vim_tempdir != NULL) | |
| 7162 { | |
| 7163 /* There is no need to check if the file exists, because we own the | |
| 7164 * directory and nobody else creates a file in it. */ | |
| 7165 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7166 return vim_strsave(itmp); | |
| 7167 } | |
| 7168 | |
| 7169 return NULL; | |
| 7170 | |
| 7171 #else /* TEMPDIRNAMES */ | |
| 7172 | |
| 7173 # ifdef WIN3264 | |
| 7174 char szTempFile[_MAX_PATH + 1]; | |
| 7175 char buf4[4]; | |
| 7176 char_u *retval; | |
| 7177 char_u *p; | |
| 7178 | |
| 7179 STRCPY(itmp, ""); | |
| 7180 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 7181 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */ | |
| 7182 strcpy(buf4, "VIM"); | |
| 7183 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7184 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7185 return NULL; | |
| 7186 /* GetTempFileName() will create the file, we don't want that */ | |
| 7187 (void)DeleteFile(itmp); | |
| 7188 | |
| 7189 /* Backslashes in a temp file name cause problems when filtering with | |
| 7190 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7191 * didn't set 'shellslash'. */ | |
| 7192 retval = vim_strsave(itmp); | |
| 7193 if (*p_shcf == '-' || p_ssl) | |
| 7194 for (p = retval; *p; ++p) | |
| 7195 if (*p == '\\') | |
| 7196 *p = '/'; | |
| 7197 return retval; | |
| 7198 | |
| 7199 # else /* WIN3264 */ | |
| 7200 | |
| 7201 # ifdef USE_TMPNAM | |
| 7202 /* tmpnam() will make its own name */ | |
| 7203 if (*tmpnam((char *)itmp) == NUL) | |
| 7204 return NULL; | |
| 7205 # else | |
| 7206 char_u *p; | |
| 7207 | |
| 7208 # ifdef VMS_TEMPNAM | |
| 7209 /* mktemp() is not working on VMS. It seems to be | |
| 7210 * a do-nothing function. Therefore we use tempnam(). | |
| 7211 */ | |
| 7212 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7213 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7214 if (p != NULL) | |
| 7215 { | |
| 7216 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7217 * and VIM will then be unable to find the file later */ | |
| 7218 STRCPY(itmp, p); | |
| 7219 STRCAT(itmp, ".txt"); | |
| 7220 free(p); | |
| 7221 } | |
| 7222 else | |
| 7223 return NULL; | |
| 7224 # else | |
| 7225 STRCPY(itmp, TEMPNAME); | |
| 7226 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7227 *p = extra_char; | |
| 7228 if (mktemp((char *)itmp) == NULL) | |
| 7229 return NULL; | |
| 7230 # endif | |
| 7231 # endif | |
| 7232 | |
| 7233 return vim_strsave(itmp); | |
| 7234 # endif /* WIN3264 */ | |
| 7235 #endif /* TEMPDIRNAMES */ | |
| 7236 } | |
| 7237 | |
| 7238 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7239 /* | |
| 7240 * Convert all backslashes in fname to forward slashes in-place. | |
| 7241 */ | |
| 7242 void | |
| 7243 forward_slash(fname) | |
| 7244 char_u *fname; | |
| 7245 { | |
| 7246 char_u *p; | |
| 7247 | |
| 7248 for (p = fname; *p != NUL; ++p) | |
| 7249 # ifdef FEAT_MBYTE | |
| 7250 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7251 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7252 ++p; |
| 7253 else | |
| 7254 # endif | |
| 7255 if (*p == '\\') | |
| 7256 *p = '/'; | |
| 7257 } | |
| 7258 #endif | |
| 7259 | |
| 7260 | |
| 7261 /* | |
| 7262 * Code for automatic commands. | |
| 7263 * | |
| 7264 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7265 */ | |
| 7266 | |
| 7267 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7268 | |
| 7269 /* | |
| 7270 * The autocommands are stored in a list for each event. | |
| 7271 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7272 * together, to avoid having to match the pattern too often. | |
| 7273 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7274 * | |
| 7275 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7276 * Autopat.cmds Autopat.cmds | |
| 7277 * | | | |
| 7278 * V V | |
| 7279 * AutoCmd.next AutoCmd.next | |
| 7280 * | | | |
| 7281 * V V | |
| 7282 * AutoCmd.next NULL | |
| 7283 * | | |
| 7284 * V | |
| 7285 * NULL | |
| 7286 * | |
| 7287 * first_autopat[1] --> Autopat.next --> NULL | |
| 7288 * Autopat.cmds | |
| 7289 * | | |
| 7290 * V | |
| 7291 * AutoCmd.next | |
| 7292 * | | |
| 7293 * V | |
| 7294 * NULL | |
| 7295 * etc. | |
| 7296 * | |
| 7297 * The order of AutoCmds is important, this is the order in which they were | |
| 7298 * defined and will have to be executed. | |
| 7299 */ | |
| 7300 typedef struct AutoCmd | |
| 7301 { | |
| 7302 char_u *cmd; /* The command to be executed (NULL | |
| 7303 when command has been removed) */ | |
| 7304 char nested; /* If autocommands nest here */ | |
| 7305 char last; /* last command in list */ | |
| 7306 #ifdef FEAT_EVAL | |
| 7307 scid_T scriptID; /* script ID where defined */ | |
| 7308 #endif | |
| 7309 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7310 } AutoCmd; | |
| 7311 | |
| 7312 typedef struct AutoPat | |
| 7313 { | |
| 7314 int group; /* group ID */ | |
| 7315 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7316 has been removed) */ | |
| 7317 int patlen; /* strlen() of pat */ | |
| 153 | 7318 regprog_T *reg_prog; /* compiled regprog for pattern */ |
| 7 | 7319 char allow_dirs; /* Pattern may match whole path */ |
| 7320 char last; /* last pattern for apply_autocmds() */ | |
| 7321 AutoCmd *cmds; /* list of commands to do */ | |
| 7322 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
| 40 | 7323 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7324 } AutoPat; |
| 7325 | |
| 7326 static struct event_name | |
| 7327 { | |
| 7328 char *name; /* event name */ | |
| 661 | 7329 event_T event; /* event number */ |
| 7 | 7330 } event_names[] = |
| 7331 { | |
| 7332 {"BufAdd", EVENT_BUFADD}, | |
| 7333 {"BufCreate", EVENT_BUFADD}, | |
| 7334 {"BufDelete", EVENT_BUFDELETE}, | |
| 7335 {"BufEnter", EVENT_BUFENTER}, | |
| 7336 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7337 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7338 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7339 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7340 {"BufNew", EVENT_BUFNEW}, | |
| 7341 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7342 {"BufRead", EVENT_BUFREADPOST}, | |
| 7343 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7344 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7345 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7346 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7347 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7348 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7349 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7350 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7351 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7352 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7353 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7354 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7355 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7356 {"ColorScheme", EVENT_COLORSCHEME}, |
| 661 | 7357 {"CursorHold", EVENT_CURSORHOLD}, |
| 7358 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7359 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7360 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7361 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7362 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7363 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7364 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7365 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7366 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7367 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7368 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7369 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7370 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7371 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7372 {"FileType", EVENT_FILETYPE}, | |
| 7373 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7374 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7375 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7376 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7377 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7378 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7379 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7380 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7381 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7382 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7383 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7384 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7385 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7386 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7387 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 434 | 7388 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7389 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7390 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 7 | 7391 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7392 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7393 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7394 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7395 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7396 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7397 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7398 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7399 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7400 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7401 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7402 {"TabEnter", EVENT_TABENTER}, |
| 7403 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7404 {"TermChanged", EVENT_TERMCHANGED}, |
| 7405 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 7406 {"User", EVENT_USER}, | |
| 7407 {"VimEnter", EVENT_VIMENTER}, | |
| 7408 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7409 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7410 {"WinEnter", EVENT_WINENTER}, | |
| 7411 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7412 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7413 {NULL, (event_T)0} |
| 7 | 7414 }; |
| 7415 | |
| 7416 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7417 { | |
| 7418 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7419 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7420 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7421 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7422 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7423 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7424 }; |
| 7425 | |
| 7426 /* | |
| 7427 * struct used to keep status while executing autocommands for an event. | |
| 7428 */ | |
| 7429 typedef struct AutoPatCmd | |
| 7430 { | |
| 7431 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7432 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7433 int group; /* group being used */ | |
| 7434 char_u *fname; /* fname to match with */ | |
| 7435 char_u *sfname; /* sfname to match with */ | |
| 7436 char_u *tail; /* tail of fname */ | |
| 661 | 7437 event_T event; /* current event */ |
| 40 | 7438 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7439 buf is deleted */ | |
| 7440 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7441 } AutoPatCmd; |
| 7442 | |
| 297 | 7443 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7444 |
| 7 | 7445 /* |
| 7446 * augroups stores a list of autocmd group names. | |
| 7447 */ | |
| 297 | 7448 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7449 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7450 | |
| 7451 /* | |
| 7452 * The ID of the current group. Group 0 is the default one. | |
| 7453 */ | |
| 7454 static int current_augroup = AUGROUP_DEFAULT; | |
| 7455 | |
| 7456 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7457 | |
| 661 | 7458 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7459 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7460 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7461 static void au_cleanup __ARGS((void)); | |
| 7462 static int au_new_group __ARGS((char_u *name)); | |
| 7463 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7464 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7465 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7466 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7467 static int event_ignored __ARGS((event_T event)); |
| 7 | 7468 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7469 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7 | 7470 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
| 661 | 7471 static int apply_autocmds_group __ARGS((event_T event, char_u *fname, char_u *fname_io, int force, int group, buf_T *buf, exarg_T *eap)); |
| 7 | 7472 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7473 | |
| 40 | 7474 |
| 661 | 7475 static event_T last_event; |
| 7 | 7476 static int last_group; |
| 1410 | 7477 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7478 |
| 7479 /* | |
| 7480 * Show the autocommands for one AutoPat. | |
| 7481 */ | |
| 7482 static void | |
| 7483 show_autocmd(ap, event) | |
| 7484 AutoPat *ap; | |
| 661 | 7485 event_T event; |
| 7 | 7486 { |
| 7487 AutoCmd *ac; | |
| 7488 | |
| 7489 /* Check for "got_int" (here and at various places below), which is set | |
| 7490 * when "q" has been hit for the "--more--" prompt */ | |
| 7491 if (got_int) | |
| 7492 return; | |
| 7493 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7494 return; | |
| 7495 | |
| 7496 msg_putchar('\n'); | |
| 7497 if (got_int) | |
| 7498 return; | |
| 7499 if (event != last_event || ap->group != last_group) | |
| 7500 { | |
| 7501 if (ap->group != AUGROUP_DEFAULT) | |
| 7502 { | |
| 7503 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7504 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7505 else | |
| 7506 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7507 msg_puts((char_u *)" "); | |
| 7508 } | |
| 7509 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7510 last_event = event; | |
| 7511 last_group = ap->group; | |
| 7512 msg_putchar('\n'); | |
| 7513 if (got_int) | |
| 7514 return; | |
| 7515 } | |
| 7516 msg_col = 4; | |
| 7517 msg_outtrans(ap->pat); | |
| 7518 | |
| 7519 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7520 { | |
| 7521 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7522 { | |
| 7523 if (msg_col >= 14) | |
| 7524 msg_putchar('\n'); | |
| 7525 msg_col = 14; | |
| 7526 if (got_int) | |
| 7527 return; | |
| 7528 msg_outtrans(ac->cmd); | |
| 500 | 7529 #ifdef FEAT_EVAL |
| 7530 if (p_verbose > 0) | |
| 7531 last_set_msg(ac->scriptID); | |
| 7532 #endif | |
| 7 | 7533 if (got_int) |
| 7534 return; | |
| 7535 if (ac->next != NULL) | |
| 7536 { | |
| 7537 msg_putchar('\n'); | |
| 7538 if (got_int) | |
| 7539 return; | |
| 7540 } | |
| 7541 } | |
| 7542 } | |
| 7543 } | |
| 7544 | |
| 7545 /* | |
| 7546 * Mark an autocommand pattern for deletion. | |
| 7547 */ | |
| 7548 static void | |
| 7549 au_remove_pat(ap) | |
| 7550 AutoPat *ap; | |
| 7551 { | |
| 7552 vim_free(ap->pat); | |
| 7553 ap->pat = NULL; | |
| 40 | 7554 ap->buflocal_nr = -1; |
| 7 | 7555 au_need_clean = TRUE; |
| 7556 } | |
| 7557 | |
| 7558 /* | |
| 7559 * Mark all commands for a pattern for deletion. | |
| 7560 */ | |
| 7561 static void | |
| 7562 au_remove_cmds(ap) | |
| 7563 AutoPat *ap; | |
| 7564 { | |
| 7565 AutoCmd *ac; | |
| 7566 | |
| 7567 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7568 { | |
| 7569 vim_free(ac->cmd); | |
| 7570 ac->cmd = NULL; | |
| 7571 } | |
| 7572 au_need_clean = TRUE; | |
| 7573 } | |
| 7574 | |
| 7575 /* | |
| 7576 * Cleanup autocommands and patterns that have been deleted. | |
| 7577 * This is only done when not executing autocommands. | |
| 7578 */ | |
| 7579 static void | |
| 7580 au_cleanup() | |
| 7581 { | |
| 7582 AutoPat *ap, **prev_ap; | |
| 7583 AutoCmd *ac, **prev_ac; | |
| 661 | 7584 event_T event; |
| 7 | 7585 |
| 7586 if (autocmd_busy || !au_need_clean) | |
| 7587 return; | |
| 7588 | |
| 7589 /* loop over all events */ | |
| 661 | 7590 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7591 event = (event_T)((int)event + 1)) | |
| 7 | 7592 { |
| 7593 /* loop over all autocommand patterns */ | |
| 7594 prev_ap = &(first_autopat[(int)event]); | |
| 7595 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7596 { | |
| 7597 /* loop over all commands for this pattern */ | |
| 7598 prev_ac = &(ap->cmds); | |
| 7599 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7600 { | |
| 7601 /* remove the command if the pattern is to be deleted or when | |
| 7602 * the command has been marked for deletion */ | |
| 7603 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7604 { | |
| 7605 *prev_ac = ac->next; | |
| 7606 vim_free(ac->cmd); | |
| 7607 vim_free(ac); | |
| 7608 } | |
| 7609 else | |
| 7610 prev_ac = &(ac->next); | |
| 7611 } | |
| 7612 | |
| 7613 /* remove the pattern if it has been marked for deletion */ | |
| 7614 if (ap->pat == NULL) | |
| 7615 { | |
| 7616 *prev_ap = ap->next; | |
| 153 | 7617 vim_free(ap->reg_prog); |
| 7 | 7618 vim_free(ap); |
| 7619 } | |
| 7620 else | |
| 7621 prev_ap = &(ap->next); | |
| 7622 } | |
| 7623 } | |
| 7624 | |
| 7625 au_need_clean = FALSE; | |
| 7626 } | |
| 7627 | |
| 7628 /* | |
| 40 | 7629 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7630 * autocmds. | |
| 7631 */ | |
| 7632 void | |
| 7633 aubuflocal_remove(buf) | |
| 7634 buf_T *buf; | |
| 7635 { | |
| 7636 AutoPat *ap; | |
| 661 | 7637 event_T event; |
| 40 | 7638 AutoPatCmd *apc; |
| 7639 | |
| 7640 /* invalidate currently executing autocommands */ | |
| 7641 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7642 if (buf->b_fnum == apc->arg_bufnr) | |
| 7643 apc->arg_bufnr = 0; | |
| 7644 | |
| 7645 /* invalidate buflocals looping through events */ | |
| 661 | 7646 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7647 event = (event_T)((int)event + 1)) | |
| 40 | 7648 /* loop over all autocommand patterns */ |
| 7649 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7650 if (ap->buflocal_nr == buf->b_fnum) | |
| 7651 { | |
| 7652 au_remove_pat(ap); | |
| 7653 if (p_verbose >= 6) | |
| 292 | 7654 { |
| 7655 verbose_enter(); | |
| 40 | 7656 smsg((char_u *) |
| 7657 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7658 event_nr2name(event), buf->b_fnum); | |
| 292 | 7659 verbose_leave(); |
| 7660 } | |
| 40 | 7661 } |
| 7662 au_cleanup(); | |
| 7663 } | |
| 7664 | |
| 7665 /* | |
| 7 | 7666 * Add an autocmd group name. |
| 7667 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7668 */ | |
| 7669 static int | |
| 7670 au_new_group(name) | |
| 7671 char_u *name; | |
| 7672 { | |
| 7673 int i; | |
| 7674 | |
| 7675 i = au_find_group(name); | |
| 7676 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7677 { | |
| 7678 /* First try using a free entry. */ | |
| 7679 for (i = 0; i < augroups.ga_len; ++i) | |
| 7680 if (AUGROUP_NAME(i) == NULL) | |
| 7681 break; | |
| 7682 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 7683 return AUGROUP_ERROR; | |
| 7684 | |
| 7685 AUGROUP_NAME(i) = vim_strsave(name); | |
| 7686 if (AUGROUP_NAME(i) == NULL) | |
| 7687 return AUGROUP_ERROR; | |
| 7688 if (i == augroups.ga_len) | |
| 7689 ++augroups.ga_len; | |
| 7690 } | |
| 7691 | |
| 7692 return i; | |
| 7693 } | |
| 7694 | |
| 7695 static void | |
| 7696 au_del_group(name) | |
| 7697 char_u *name; | |
| 7698 { | |
| 7699 int i; | |
| 7700 | |
| 7701 i = au_find_group(name); | |
| 7702 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 7703 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 7704 else | |
| 7705 { | |
| 7706 vim_free(AUGROUP_NAME(i)); | |
| 7707 AUGROUP_NAME(i) = NULL; | |
| 7708 } | |
| 7709 } | |
| 7710 | |
| 7711 /* | |
| 7712 * Find the ID of an autocmd group name. | |
| 7713 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7714 */ | |
| 7715 static int | |
| 7716 au_find_group(name) | |
| 7717 char_u *name; | |
| 7718 { | |
| 7719 int i; | |
| 7720 | |
| 7721 for (i = 0; i < augroups.ga_len; ++i) | |
| 7722 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 7723 return i; | |
| 7724 return AUGROUP_ERROR; | |
| 7725 } | |
| 7726 | |
| 461 | 7727 /* |
| 7728 * Return TRUE if augroup "name" exists. | |
| 7729 */ | |
| 7730 int | |
| 7731 au_has_group(name) | |
| 7732 char_u *name; | |
| 7733 { | |
| 7734 return au_find_group(name) != AUGROUP_ERROR; | |
| 7735 } | |
| 7736 | |
| 7 | 7737 /* |
| 7738 * ":augroup {name}". | |
| 7739 */ | |
| 7740 void | |
| 7741 do_augroup(arg, del_group) | |
| 7742 char_u *arg; | |
| 7743 int del_group; | |
| 7744 { | |
| 7745 int i; | |
| 7746 | |
| 7747 if (del_group) | |
| 7748 { | |
| 7749 if (*arg == NUL) | |
| 7750 EMSG(_(e_argreq)); | |
| 7751 else | |
| 7752 au_del_group(arg); | |
| 7753 } | |
| 7754 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 7755 current_augroup = AUGROUP_DEFAULT; | |
| 7756 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 7757 { | |
| 7758 i = au_new_group(arg); | |
| 7759 if (i != AUGROUP_ERROR) | |
| 7760 current_augroup = i; | |
| 7761 } | |
| 7762 else /* ":aug": list the group names */ | |
| 7763 { | |
| 7764 msg_start(); | |
| 7765 for (i = 0; i < augroups.ga_len; ++i) | |
| 7766 { | |
| 7767 if (AUGROUP_NAME(i) != NULL) | |
| 7768 { | |
| 7769 msg_puts(AUGROUP_NAME(i)); | |
| 7770 msg_puts((char_u *)" "); | |
| 7771 } | |
| 7772 } | |
| 7773 msg_clr_eos(); | |
| 7774 msg_end(); | |
| 7775 } | |
| 7776 } | |
| 7777 | |
| 355 | 7778 #if defined(EXITFREE) || defined(PROTO) |
| 7779 void | |
| 7780 free_all_autocmds() | |
| 7781 { | |
| 7782 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 7783 ++current_augroup) | |
| 7784 do_autocmd((char_u *)"", TRUE); | |
| 7785 ga_clear_strings(&augroups); | |
| 7786 } | |
| 7787 #endif | |
| 7788 | |
| 7 | 7789 /* |
| 7790 * Return the event number for event name "start". | |
| 7791 * Return NUM_EVENTS if the event name was not found. | |
| 7792 * Return a pointer to the next event name in "end". | |
| 7793 */ | |
| 661 | 7794 static event_T |
| 7 | 7795 event_name2nr(start, end) |
| 7796 char_u *start; | |
| 7797 char_u **end; | |
| 7798 { | |
| 7799 char_u *p; | |
| 7800 int i; | |
| 7801 int len; | |
| 7802 | |
| 7803 /* the event name ends with end of line, a blank or a comma */ | |
| 7804 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 7805 ; | |
| 7806 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7807 { | |
| 7808 len = (int)STRLEN(event_names[i].name); | |
| 7809 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 7810 break; | |
| 7811 } | |
| 7812 if (*p == ',') | |
| 7813 ++p; | |
| 7814 *end = p; | |
| 7815 if (event_names[i].name == NULL) | |
| 7816 return NUM_EVENTS; | |
| 7817 return event_names[i].event; | |
| 7818 } | |
| 7819 | |
| 7820 /* | |
| 7821 * Return the name for event "event". | |
| 7822 */ | |
| 7823 static char_u * | |
| 7824 event_nr2name(event) | |
| 661 | 7825 event_T event; |
| 7 | 7826 { |
| 7827 int i; | |
| 7828 | |
| 7829 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7830 if (event_names[i].event == event) | |
| 7831 return (char_u *)event_names[i].name; | |
| 7832 return (char_u *)"Unknown"; | |
| 7833 } | |
| 7834 | |
| 7835 /* | |
| 7836 * Scan over the events. "*" stands for all events. | |
| 7837 */ | |
| 7838 static char_u * | |
| 7839 find_end_event(arg, have_group) | |
| 7840 char_u *arg; | |
| 7841 int have_group; /* TRUE when group name was found */ | |
| 7842 { | |
| 7843 char_u *pat; | |
| 7844 char_u *p; | |
| 7845 | |
| 7846 if (*arg == '*') | |
| 7847 { | |
| 7848 if (arg[1] && !vim_iswhite(arg[1])) | |
| 7849 { | |
| 7850 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 7851 return NULL; | |
| 7852 } | |
| 7853 pat = arg + 1; | |
| 7854 } | |
| 7855 else | |
| 7856 { | |
| 7857 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 7858 { | |
| 7859 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 7860 { | |
| 7861 if (have_group) | |
| 7862 EMSG2(_("E216: No such event: %s"), pat); | |
| 7863 else | |
| 7864 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 7865 return NULL; | |
| 7866 } | |
| 7867 } | |
| 7868 } | |
| 7869 return pat; | |
| 7870 } | |
| 7871 | |
| 7872 /* | |
| 7873 * Return TRUE if "event" is included in 'eventignore'. | |
| 7874 */ | |
| 7875 static int | |
| 7876 event_ignored(event) | |
| 661 | 7877 event_T event; |
| 7 | 7878 { |
| 7879 char_u *p = p_ei; | |
| 7880 | |
| 844 | 7881 while (*p != NUL) |
| 7882 { | |
| 7883 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 7884 return TRUE; | |
| 7 | 7885 if (event_name2nr(p, &p) == event) |
| 7886 return TRUE; | |
| 844 | 7887 } |
| 7 | 7888 |
| 7889 return FALSE; | |
| 7890 } | |
| 7891 | |
| 7892 /* | |
| 7893 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 7894 */ | |
| 7895 int | |
| 7896 check_ei() | |
| 7897 { | |
| 7898 char_u *p = p_ei; | |
| 7899 | |
| 7900 while (*p) | |
| 844 | 7901 { |
| 7902 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 7903 { | |
| 7904 p += 3; | |
| 7905 if (*p == ',') | |
| 7906 ++p; | |
| 7907 } | |
| 7908 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 7909 return FAIL; |
| 844 | 7910 } |
| 7 | 7911 |
| 7912 return OK; | |
| 7913 } | |
| 7914 | |
| 123 | 7915 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 7916 | |
| 7917 /* | |
| 7918 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 7919 * buffer loaded into the window. "what" must start with a comma. | |
| 7920 * Returns the old value of 'eventignore' in allocated memory. | |
| 7921 */ | |
| 7922 char_u * | |
| 7923 au_event_disable(what) | |
| 7924 char *what; | |
| 7925 { | |
| 7926 char_u *new_ei; | |
| 7927 char_u *save_ei; | |
| 7928 | |
| 7929 save_ei = vim_strsave(p_ei); | |
| 7930 if (save_ei != NULL) | |
| 7931 { | |
| 557 | 7932 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 7933 if (new_ei != NULL) |
| 7934 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7935 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7936 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7937 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7938 STRCAT(new_ei, what); |
| 694 | 7939 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 7940 OPT_FREE, SID_NONE); | |
| 123 | 7941 vim_free(new_ei); |
| 7942 } | |
| 7943 } | |
| 7944 return save_ei; | |
| 7945 } | |
| 7946 | |
| 7947 void | |
| 7948 au_event_restore(old_ei) | |
| 7949 char_u *old_ei; | |
| 7950 { | |
| 7951 if (old_ei != NULL) | |
| 7952 { | |
| 694 | 7953 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 7954 OPT_FREE, SID_NONE); | |
| 123 | 7955 vim_free(old_ei); |
| 7956 } | |
| 7957 } | |
| 7958 # endif /* FEAT_SYN_HL */ | |
| 7959 | |
| 7 | 7960 /* |
| 7961 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 7962 * following ways: | |
| 7963 * | |
| 7964 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 7965 * will be automatically executed for <event> | |
| 7966 * when editing a file matching <pat>, in | |
| 7967 * the current group. | |
| 7968 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 7969 * <event> and <pat>. | |
| 7970 * :autocmd <event> Show the auto-commands associated with | |
| 7971 * <event>. | |
| 7972 * :autocmd Show all auto-commands. | |
| 7973 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 7974 * <event> and <pat>, and add the command | |
| 7975 * <cmd>, for the current group. | |
| 7976 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 7977 * <event> and <pat> for the current group. | |
| 7978 * :autocmd! <event> Remove all auto-commands associated with | |
| 7979 * <event> for the current group. | |
| 7980 * :autocmd! Remove ALL auto-commands for the current | |
| 7981 * group. | |
| 7982 * | |
| 7983 * Multiple events and patterns may be given separated by commas. Here are | |
| 7984 * some examples: | |
| 7985 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 7986 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 7987 * | |
| 7988 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 7989 * |
| 7990 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 7991 */ |
| 7992 void | |
| 7993 do_autocmd(arg, forceit) | |
| 7994 char_u *arg; | |
| 7995 int forceit; | |
| 7996 { | |
| 7997 char_u *pat; | |
| 7998 char_u *envpat = NULL; | |
| 7999 char_u *cmd; | |
| 661 | 8000 event_T event; |
| 7 | 8001 int need_free = FALSE; |
| 8002 int nested = FALSE; | |
| 8003 int group; | |
| 8004 | |
| 8005 /* | |
| 8006 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8007 */ | |
| 8008 group = au_get_grouparg(&arg); | |
| 8009 if (arg == NULL) /* out of memory */ | |
| 8010 return; | |
| 8011 | |
| 8012 /* | |
| 8013 * Scan over the events. | |
| 8014 * If we find an illegal name, return here, don't do anything. | |
| 8015 */ | |
| 8016 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8017 if (pat == NULL) | |
| 8018 return; | |
| 8019 | |
| 8020 /* | |
| 8021 * Scan over the pattern. Put a NUL at the end. | |
| 8022 */ | |
| 8023 pat = skipwhite(pat); | |
| 8024 cmd = pat; | |
| 8025 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8026 cmd++; | |
| 8027 if (*cmd) | |
| 8028 *cmd++ = NUL; | |
| 8029 | |
| 8030 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8031 * forward slashes here. */ | |
| 8032 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8033 { | |
| 8034 #ifdef BACKSLASH_IN_FILENAME | |
| 8035 int p_ssl_save = p_ssl; | |
| 8036 | |
| 8037 p_ssl = TRUE; | |
| 8038 #endif | |
| 8039 envpat = expand_env_save(pat); | |
| 8040 #ifdef BACKSLASH_IN_FILENAME | |
| 8041 p_ssl = p_ssl_save; | |
| 8042 #endif | |
| 8043 if (envpat != NULL) | |
| 8044 pat = envpat; | |
| 8045 } | |
| 8046 | |
| 8047 /* | |
| 8048 * Check for "nested" flag. | |
| 8049 */ | |
| 8050 cmd = skipwhite(cmd); | |
| 8051 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8052 { | |
| 8053 nested = TRUE; | |
| 8054 cmd = skipwhite(cmd + 6); | |
| 8055 } | |
| 8056 | |
| 8057 /* | |
| 8058 * Find the start of the commands. | |
| 8059 * Expand <sfile> in it. | |
| 8060 */ | |
| 8061 if (*cmd != NUL) | |
| 8062 { | |
| 8063 cmd = expand_sfile(cmd); | |
| 8064 if (cmd == NULL) /* some error */ | |
| 8065 return; | |
| 8066 need_free = TRUE; | |
| 8067 } | |
| 8068 | |
| 8069 /* | |
| 8070 * Print header when showing autocommands. | |
| 8071 */ | |
| 8072 if (!forceit && *cmd == NUL) | |
| 8073 { | |
| 8074 /* Highlight title */ | |
| 8075 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8076 } | |
| 8077 | |
| 8078 /* | |
| 8079 * Loop over the events. | |
| 8080 */ | |
| 661 | 8081 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8082 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8083 if (*arg == '*' || *arg == NUL) | |
| 8084 { | |
| 661 | 8085 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8086 event = (event_T)((int)event + 1)) | |
| 7 | 8087 if (do_autocmd_event(event, pat, |
| 8088 nested, cmd, forceit, group) == FAIL) | |
| 8089 break; | |
| 8090 } | |
| 8091 else | |
| 8092 { | |
| 8093 while (*arg && !vim_iswhite(*arg)) | |
| 8094 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8095 nested, cmd, forceit, group) == FAIL) | |
| 8096 break; | |
| 8097 } | |
| 8098 | |
| 8099 if (need_free) | |
| 8100 vim_free(cmd); | |
| 8101 vim_free(envpat); | |
| 8102 } | |
| 8103 | |
| 8104 /* | |
| 8105 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8106 * The "argp" argument is advanced to the following argument. | |
| 8107 * | |
| 8108 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8109 */ | |
| 8110 static int | |
| 8111 au_get_grouparg(argp) | |
| 8112 char_u **argp; | |
| 8113 { | |
| 8114 char_u *group_name; | |
| 8115 char_u *p; | |
| 8116 char_u *arg = *argp; | |
| 8117 int group = AUGROUP_ALL; | |
| 8118 | |
| 8119 p = skiptowhite(arg); | |
| 8120 if (p > arg) | |
| 8121 { | |
| 8122 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8123 if (group_name == NULL) /* out of memory */ | |
| 8124 return AUGROUP_ERROR; | |
| 8125 group = au_find_group(group_name); | |
| 8126 if (group == AUGROUP_ERROR) | |
| 8127 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8128 else | |
| 8129 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8130 vim_free(group_name); | |
| 8131 } | |
| 8132 return group; | |
| 8133 } | |
| 8134 | |
| 8135 /* | |
| 8136 * do_autocmd() for one event. | |
| 8137 * If *pat == NUL do for all patterns. | |
| 8138 * If *cmd == NUL show entries. | |
| 8139 * If forceit == TRUE delete entries. | |
| 8140 * If group is not AUGROUP_ALL, only use this group. | |
| 8141 */ | |
| 8142 static int | |
| 8143 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8144 event_T event; |
| 7 | 8145 char_u *pat; |
| 8146 int nested; | |
| 8147 char_u *cmd; | |
| 8148 int forceit; | |
| 8149 int group; | |
| 8150 { | |
| 8151 AutoPat *ap; | |
| 8152 AutoPat **prev_ap; | |
| 8153 AutoCmd *ac; | |
| 8154 AutoCmd **prev_ac; | |
| 8155 int brace_level; | |
| 8156 char_u *endpat; | |
| 8157 int findgroup; | |
| 8158 int allgroups; | |
| 8159 int patlen; | |
| 856 | 8160 int is_buflocal; |
| 40 | 8161 int buflocal_nr; |
| 8162 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8163 |
| 8164 if (group == AUGROUP_ALL) | |
| 8165 findgroup = current_augroup; | |
| 8166 else | |
| 8167 findgroup = group; | |
| 8168 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8169 | |
| 8170 /* | |
| 8171 * Show or delete all patterns for an event. | |
| 8172 */ | |
| 8173 if (*pat == NUL) | |
| 8174 { | |
| 8175 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8176 { | |
| 8177 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8178 { | |
| 8179 if (ap->group == findgroup) | |
| 8180 au_remove_pat(ap); | |
| 8181 } | |
| 8182 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8183 show_autocmd(ap, event); | |
| 8184 } | |
| 8185 } | |
| 8186 | |
| 8187 /* | |
| 8188 * Loop through all the specified patterns. | |
| 8189 */ | |
| 8190 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8191 { | |
| 8192 /* | |
| 8193 * Find end of the pattern. | |
| 8194 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8195 */ | |
| 8196 brace_level = 0; | |
| 8197 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8198 || endpat[-1] == '\\'); ++endpat) | |
| 8199 { | |
| 8200 if (*endpat == '{') | |
| 8201 brace_level++; | |
| 8202 else if (*endpat == '}') | |
| 8203 brace_level--; | |
| 8204 } | |
| 8205 if (pat == endpat) /* ignore single comma */ | |
| 8206 continue; | |
| 8207 patlen = (int)(endpat - pat); | |
| 8208 | |
| 8209 /* | |
| 40 | 8210 * detect special <buflocal[=X]> buffer-local patterns |
| 8211 */ | |
| 8212 is_buflocal = FALSE; | |
| 8213 buflocal_nr = 0; | |
| 8214 | |
| 8215 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8216 && pat[patlen - 1] == '>') | |
| 8217 { | |
| 8218 /* Error will be printed only for addition. printing and removing | |
| 8219 * will proceed silently. */ | |
| 8220 is_buflocal = TRUE; | |
| 8221 if (patlen == 8) | |
| 8222 buflocal_nr = curbuf->b_fnum; | |
| 8223 else if (patlen > 9 && pat[7] == '=') | |
| 8224 { | |
| 8225 /* <buffer=abuf> */ | |
| 8226 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8227 buflocal_nr = autocmd_bufnr; | |
| 8228 /* <buffer=123> */ | |
| 8229 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8230 buflocal_nr = atoi((char *)pat + 8); | |
| 8231 } | |
| 8232 } | |
| 8233 | |
| 8234 if (is_buflocal) | |
| 8235 { | |
| 8236 /* normalize pat into standard "<buffer>#N" form */ | |
| 8237 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8238 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8239 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8240 } |
| 8241 | |
| 8242 /* | |
| 7 | 8243 * Find AutoPat entries with this pattern. |
| 8244 */ | |
| 8245 prev_ap = &first_autopat[(int)event]; | |
| 8246 while ((ap = *prev_ap) != NULL) | |
| 8247 { | |
| 8248 if (ap->pat != NULL) | |
| 8249 { | |
| 8250 /* Accept a pattern when: | |
| 8251 * - a group was specified and it's that group, or a group was | |
| 8252 * not specified and it's the current group, or a group was | |
| 8253 * not specified and we are listing | |
| 8254 * - the length of the pattern matches | |
| 40 | 8255 * - the pattern matches. |
| 8256 * For <buffer[=X]>, this condition works because we normalize | |
| 8257 * all buffer-local patterns. | |
| 7 | 8258 */ |
| 8259 if ((allgroups || ap->group == findgroup) | |
| 8260 && ap->patlen == patlen | |
| 8261 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8262 { | |
| 8263 /* | |
| 8264 * Remove existing autocommands. | |
| 8265 * If adding any new autocmd's for this AutoPat, don't | |
| 8266 * delete the pattern from the autopat list, append to | |
| 8267 * this list. | |
| 8268 */ | |
| 8269 if (forceit) | |
| 8270 { | |
| 8271 if (*cmd != NUL && ap->next == NULL) | |
| 8272 { | |
| 8273 au_remove_cmds(ap); | |
| 8274 break; | |
| 8275 } | |
| 8276 au_remove_pat(ap); | |
| 8277 } | |
| 8278 | |
| 8279 /* | |
| 40 | 8280 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8281 */ |
| 8282 else if (*cmd == NUL) | |
| 8283 show_autocmd(ap, event); | |
| 8284 | |
| 8285 /* | |
| 8286 * Add autocmd to this autopat, if it's the last one. | |
| 8287 */ | |
| 8288 else if (ap->next == NULL) | |
| 8289 break; | |
| 8290 } | |
| 8291 } | |
| 8292 prev_ap = &ap->next; | |
| 8293 } | |
| 8294 | |
| 8295 /* | |
| 8296 * Add a new command. | |
| 8297 */ | |
| 8298 if (*cmd != NUL) | |
| 8299 { | |
| 8300 /* | |
| 8301 * If the pattern we want to add a command to does appear at the | |
| 8302 * end of the list (or not is not in the list at all), add the | |
| 8303 * pattern at the end of the list. | |
| 8304 */ | |
| 8305 if (ap == NULL) | |
| 8306 { | |
| 40 | 8307 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8308 if (is_buflocal && (buflocal_nr == 0 | |
| 8309 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8310 { | |
| 8311 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8312 buflocal_nr); | |
| 8313 return FAIL; | |
| 8314 } | |
| 8315 | |
| 7 | 8316 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8317 if (ap == NULL) | |
| 8318 return FAIL; | |
| 8319 ap->pat = vim_strnsave(pat, patlen); | |
| 8320 ap->patlen = patlen; | |
| 8321 if (ap->pat == NULL) | |
| 8322 { | |
| 8323 vim_free(ap); | |
| 8324 return FAIL; | |
| 8325 } | |
| 40 | 8326 |
| 8327 if (is_buflocal) | |
| 8328 { | |
| 8329 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8330 ap->reg_prog = NULL; |
| 40 | 8331 } |
| 8332 else | |
| 7 | 8333 { |
| 153 | 8334 char_u *reg_pat; |
| 8335 | |
| 40 | 8336 ap->buflocal_nr = 0; |
| 153 | 8337 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8338 &ap->allow_dirs, TRUE); |
| 153 | 8339 if (reg_pat != NULL) |
| 8340 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8341 vim_free(reg_pat); |
| 153 | 8342 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8343 { |
| 8344 vim_free(ap->pat); | |
| 8345 vim_free(ap); | |
| 8346 return FAIL; | |
| 8347 } | |
| 7 | 8348 } |
| 8349 ap->cmds = NULL; | |
| 8350 *prev_ap = ap; | |
| 8351 ap->next = NULL; | |
| 8352 if (group == AUGROUP_ALL) | |
| 8353 ap->group = current_augroup; | |
| 8354 else | |
| 8355 ap->group = group; | |
| 8356 } | |
| 8357 | |
| 8358 /* | |
| 8359 * Add the autocmd at the end of the AutoCmd list. | |
| 8360 */ | |
| 8361 prev_ac = &(ap->cmds); | |
| 8362 while ((ac = *prev_ac) != NULL) | |
| 8363 prev_ac = &ac->next; | |
| 8364 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8365 if (ac == NULL) | |
| 8366 return FAIL; | |
| 8367 ac->cmd = vim_strsave(cmd); | |
| 8368 #ifdef FEAT_EVAL | |
| 8369 ac->scriptID = current_SID; | |
| 8370 #endif | |
| 8371 if (ac->cmd == NULL) | |
| 8372 { | |
| 8373 vim_free(ac); | |
| 8374 return FAIL; | |
| 8375 } | |
| 8376 ac->next = NULL; | |
| 8377 *prev_ac = ac; | |
| 8378 ac->nested = nested; | |
| 8379 } | |
| 8380 } | |
| 8381 | |
| 8382 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8383 return OK; | |
| 8384 } | |
| 8385 | |
| 8386 /* | |
| 8387 * Implementation of ":doautocmd [group] event [fname]". | |
| 8388 * Return OK for success, FAIL for failure; | |
| 8389 */ | |
| 8390 int | |
| 8391 do_doautocmd(arg, do_msg) | |
| 8392 char_u *arg; | |
| 8393 int do_msg; /* give message for no matching autocmds? */ | |
| 8394 { | |
| 8395 char_u *fname; | |
| 8396 int nothing_done = TRUE; | |
| 8397 int group; | |
| 8398 | |
| 8399 /* | |
| 8400 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8401 */ | |
| 8402 group = au_get_grouparg(&arg); | |
| 8403 if (arg == NULL) /* out of memory */ | |
| 8404 return FAIL; | |
| 8405 | |
| 8406 if (*arg == '*') | |
| 8407 { | |
| 8408 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8409 return FAIL; | |
| 8410 } | |
| 8411 | |
| 8412 /* | |
| 8413 * Scan over the events. | |
| 8414 * If we find an illegal name, return here, don't do anything. | |
| 8415 */ | |
| 8416 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8417 if (fname == NULL) | |
| 8418 return FAIL; | |
| 8419 | |
| 8420 fname = skipwhite(fname); | |
| 8421 | |
| 8422 /* | |
| 8423 * Loop over the events. | |
| 8424 */ | |
| 8425 while (*arg && !vim_iswhite(*arg)) | |
| 8426 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8427 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8428 nothing_done = FALSE; | |
| 8429 | |
| 8430 if (nothing_done && do_msg) | |
| 8431 MSG(_("No matching autocommands")); | |
| 8432 | |
| 8433 #ifdef FEAT_EVAL | |
| 8434 return aborting() ? FAIL : OK; | |
| 8435 #else | |
| 8436 return OK; | |
| 8437 #endif | |
| 8438 } | |
| 8439 | |
| 8440 /* | |
| 8441 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8442 */ | |
| 8443 void | |
| 8444 ex_doautoall(eap) | |
| 8445 exarg_T *eap; | |
| 8446 { | |
| 8447 int retval; | |
| 8448 aco_save_T aco; | |
| 8449 buf_T *buf; | |
| 8450 | |
| 8451 /* | |
| 8452 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8453 * equal to curbuf, but for some buffers there may not be a window. | |
| 8454 * So we change the buffer for the current window for a moment. This | |
| 8455 * gives problems when the autocommands make changes to the list of | |
| 8456 * buffers or windows... | |
| 8457 */ | |
| 8458 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8459 { | |
| 1665 | 8460 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8461 { |
| 8462 /* find a window for this buffer and save some values */ | |
| 8463 aucmd_prepbuf(&aco, buf); | |
| 8464 | |
| 8465 /* execute the autocommands for this buffer */ | |
| 8466 retval = do_doautocmd(eap->arg, FALSE); | |
| 1113 | 8467 |
| 8468 /* Execute the modeline settings, but don't set window-local | |
| 8469 * options if we are using the current window for another buffer. */ | |
| 1906 | 8470 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
| 7 | 8471 |
| 8472 /* restore the current window */ | |
| 8473 aucmd_restbuf(&aco); | |
| 8474 | |
| 8475 /* stop if there is some error or buffer was deleted */ | |
| 8476 if (retval == FAIL || !buf_valid(buf)) | |
| 8477 break; | |
| 8478 } | |
| 8479 } | |
| 8480 | |
| 8481 check_cursor(); /* just in case lines got deleted */ | |
| 8482 } | |
| 8483 | |
| 8484 /* | |
| 8485 * Prepare for executing autocommands for (hidden) buffer "buf". | |
| 1906 | 8486 * Search for a visible window containing the current buffer. If there isn't |
| 8487 * one then use "aucmd_win". | |
| 7 | 8488 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8489 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8490 */ |
| 8491 void | |
| 8492 aucmd_prepbuf(aco, buf) | |
| 8493 aco_save_T *aco; /* structure to save values in */ | |
| 8494 buf_T *buf; /* new curbuf */ | |
| 8495 { | |
| 8496 win_T *win; | |
| 1906 | 8497 #ifdef FEAT_WINDOWS |
| 8498 int save_ea; | |
| 8499 #endif | |
| 7 | 8500 |
| 8501 /* Find a window that is for the new buffer */ | |
| 8502 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8503 win = curwin; | |
| 8504 else | |
| 8505 #ifdef FEAT_WINDOWS | |
| 8506 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8507 if (win->w_buffer == buf) | |
| 8508 break; | |
| 8509 #else | |
| 8510 win = NULL; | |
| 8511 #endif | |
| 8512 | |
| 1906 | 8513 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8514 * back to using the current window. */ | |
| 8515 if (win == NULL && aucmd_win == NULL) | |
| 8516 { | |
| 8517 win_alloc_aucmd_win(); | |
| 8518 if (aucmd_win == NULL) | |
| 8519 win = curwin; | |
| 8520 } | |
| 1944 | 8521 if (win == NULL && aucmd_win_used) |
| 8522 /* Strange recursive autocommand, fall back to using the current | |
| 8523 * window. Expect a few side effects... */ | |
| 8524 win = curwin; | |
| 1906 | 8525 |
| 8526 aco->save_curwin = curwin; | |
| 8527 aco->save_curbuf = curbuf; | |
| 7 | 8528 if (win != NULL) |
| 8529 { | |
| 1906 | 8530 /* There is a window for "buf" in the current tab page, make it the |
| 8531 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8532 * "buf" is curbuf). */ | |
| 1944 | 8533 aco->use_aucmd_win = FALSE; |
| 7 | 8534 curwin = win; |
| 8535 } | |
| 8536 else | |
| 8537 { | |
| 1906 | 8538 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 8539 * effects, insert it in a the current tab page. | |
| 8540 * Anything related to a window (e.g., setting folds) may have | |
| 8541 * unexpected results. */ | |
| 1944 | 8542 aco->use_aucmd_win = TRUE; |
| 8543 aucmd_win_used = TRUE; | |
| 1918 | 8544 aucmd_win->w_buffer = buf; |
| 7 | 8545 ++buf->b_nwindows; |
| 1918 | 8546 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8547 vim_free(aucmd_win->w_localdir); |
| 8548 aucmd_win->w_localdir = NULL; | |
| 8549 | |
| 8550 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8551 * win_enter_ext(). */ | |
| 8552 aucmd_win->w_localdir = NULL; | |
| 8553 aco->globaldir = globaldir; | |
| 8554 globaldir = NULL; | |
| 8555 | |
| 7 | 8556 |
| 1906 | 8557 #ifdef FEAT_WINDOWS |
| 1923 | 8558 /* Split the current window, put the aucmd_win in the upper half. |
| 8559 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8560 block_autocmds(); | |
| 1906 | 8561 make_snapshot(SNAP_AUCMD_IDX); |
| 8562 save_ea = p_ea; | |
| 8563 p_ea = FALSE; | |
| 8564 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
| 8565 (void)win_comp_pos(); /* recompute window positions */ | |
| 8566 p_ea = save_ea; | |
| 1923 | 8567 unblock_autocmds(); |
| 1906 | 8568 #endif |
| 1918 | 8569 curwin = aucmd_win; |
| 1906 | 8570 } |
| 7 | 8571 curbuf = buf; |
| 1906 | 8572 aco->new_curwin = curwin; |
| 8573 aco->new_curbuf = curbuf; | |
| 7 | 8574 } |
| 8575 | |
| 8576 /* | |
| 8577 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8578 * Restore the window as it was (if possible). | |
| 934 | 8579 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8580 */ |
| 8581 void | |
| 8582 aucmd_restbuf(aco) | |
| 8583 aco_save_T *aco; /* structure holding saved values */ | |
| 8584 { | |
| 1906 | 8585 #ifdef FEAT_WINDOWS |
| 8586 int dummy; | |
| 8587 #endif | |
| 8588 | |
| 1944 | 8589 if (aco->use_aucmd_win) |
| 1906 | 8590 { |
| 8591 --curbuf->b_nwindows; | |
| 8592 #ifdef FEAT_WINDOWS | |
| 8593 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8594 * page. Do not trigger autocommands here. */ |
| 8595 block_autocmds(); | |
| 1906 | 8596 if (curwin != aucmd_win) |
| 8597 { | |
| 8598 tabpage_T *tp; | |
| 8599 win_T *wp; | |
| 8600 | |
| 8601 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8602 { | |
| 8603 if (wp == aucmd_win) | |
| 8604 { | |
| 8605 if (tp != curtab) | |
| 8606 goto_tabpage_tp(tp); | |
| 8607 win_goto(aucmd_win); | |
| 8608 break; | |
| 8609 } | |
| 8610 } | |
| 8611 } | |
| 8612 | |
| 8613 /* Remove the window and frame from the tree of frames. */ | |
| 8614 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8615 win_remove(curwin, NULL); | |
| 1944 | 8616 aucmd_win_used = FALSE; |
| 1906 | 8617 last_status(FALSE); /* may need to remove last status line */ |
| 8618 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8619 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8620 unblock_autocmds(); |
| 1906 | 8621 |
| 8622 if (win_valid(aco->save_curwin)) | |
| 8623 curwin = aco->save_curwin; | |
| 8624 else | |
| 8625 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8626 curwin = firstwin; | |
| 8627 # ifdef FEAT_EVAL | |
| 8628 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
| 2001 | 8629 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
| 1906 | 8630 # endif |
| 8631 #else | |
| 8632 curwin = aco->save_curwin; | |
| 8633 #endif | |
| 8634 curbuf = curwin->w_buffer; | |
| 8635 | |
| 1944 | 8636 vim_free(globaldir); |
| 8637 globaldir = aco->globaldir; | |
| 8638 | |
| 1906 | 8639 /* the buffer contents may have changed */ |
| 8640 check_cursor(); | |
| 8641 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8642 { | |
| 8643 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8644 #ifdef FEAT_DIFF | |
| 8645 curwin->w_topfill = 0; | |
| 8646 #endif | |
| 8647 } | |
| 8648 #if defined(FEAT_GUI) | |
| 8649 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8650 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8651 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8652 gui_may_update_scrollbars(); | |
| 8653 #endif | |
| 8654 } | |
| 8655 else | |
| 7 | 8656 { |
| 8657 /* restore curwin */ | |
| 8658 #ifdef FEAT_WINDOWS | |
| 8659 if (win_valid(aco->save_curwin)) | |
| 8660 #endif | |
| 8661 { | |
| 1906 | 8662 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8663 * it was changed, we are still the same window and the buffer is |
| 1906 | 8664 * valid. */ |
| 7 | 8665 if (curwin == aco->new_curwin |
| 1906 | 8666 && curbuf != aco->new_curbuf |
| 8667 && buf_valid(aco->new_curbuf) | |
| 8668 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8669 { |
| 8670 --curbuf->b_nwindows; | |
| 1906 | 8671 curbuf = aco->new_curbuf; |
| 7 | 8672 curwin->w_buffer = curbuf; |
| 8673 ++curbuf->b_nwindows; | |
| 8674 } | |
| 8675 | |
| 8676 curwin = aco->save_curwin; | |
| 8677 curbuf = curwin->w_buffer; | |
| 8678 } | |
| 8679 } | |
| 8680 } | |
| 8681 | |
| 8682 static int autocmd_nested = FALSE; | |
| 8683 | |
| 8684 /* | |
| 8685 * Execute autocommands for "event" and file name "fname". | |
| 8686 * Return TRUE if some commands were executed. | |
| 8687 */ | |
| 8688 int | |
| 8689 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 8690 event_T event; |
| 7 | 8691 char_u *fname; /* NULL or empty means use actual file name */ |
| 8692 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8693 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8694 buf_T *buf; /* buffer for <abuf> */ | |
| 8695 { | |
| 8696 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8697 AUGROUP_ALL, buf, NULL); | |
| 8698 } | |
| 8699 | |
| 8700 /* | |
| 8701 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 8702 * setting v:filearg. | |
| 8703 */ | |
| 8704 static int | |
| 8705 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 8706 event_T event; |
| 7 | 8707 char_u *fname; |
| 8708 char_u *fname_io; | |
| 8709 int force; | |
| 8710 buf_T *buf; | |
| 8711 exarg_T *eap; | |
| 8712 { | |
| 8713 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8714 AUGROUP_ALL, buf, eap); | |
| 8715 } | |
| 8716 | |
| 8717 /* | |
| 8718 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 8719 * processing is being aborted or if retval is FAIL when inside a try | |
| 8720 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 8721 * cause the script to be aborted, retval is set to FAIL. | |
| 8722 */ | |
| 8723 int | |
| 8724 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 8725 event_T event; |
| 7 | 8726 char_u *fname; /* NULL or empty means use actual file name */ |
| 8727 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8728 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8729 buf_T *buf; /* buffer for <abuf> */ | |
| 8730 int *retval; /* pointer to caller's retval */ | |
| 8731 { | |
| 8732 int did_cmd; | |
| 8733 | |
| 532 | 8734 #ifdef FEAT_EVAL |
| 7 | 8735 if (should_abort(*retval)) |
| 8736 return FALSE; | |
| 532 | 8737 #endif |
| 7 | 8738 |
| 8739 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 8740 AUGROUP_ALL, buf, NULL); | |
| 532 | 8741 if (did_cmd |
| 8742 #ifdef FEAT_EVAL | |
| 8743 && aborting() | |
| 8744 #endif | |
| 8745 ) | |
| 7 | 8746 *retval = FAIL; |
| 8747 return did_cmd; | |
| 8748 } | |
| 8749 | |
| 609 | 8750 /* |
| 8751 * Return TRUE when there is a CursorHold autocommand defined. | |
| 8752 */ | |
| 7 | 8753 int |
| 8754 has_cursorhold() | |
| 8755 { | |
| 661 | 8756 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 8757 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 8758 } |
| 609 | 8759 |
| 8760 /* | |
| 8761 * Return TRUE if the CursorHold event can be triggered. | |
| 8762 */ | |
| 8763 int | |
| 8764 trigger_cursorhold() | |
| 8765 { | |
| 661 | 8766 int state; |
| 8767 | |
| 978 | 8768 if (!did_cursorhold && has_cursorhold() && !Recording |
| 8769 #ifdef FEAT_INS_EXPAND | |
| 8770 && !ins_compl_active() | |
| 8771 #endif | |
| 8772 ) | |
| 661 | 8773 { |
| 8774 state = get_real_state(); | |
| 8775 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 8776 return TRUE; | |
| 8777 } | |
| 8778 return FALSE; | |
| 609 | 8779 } |
| 661 | 8780 |
| 8781 /* | |
| 8782 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 8783 */ | |
| 8784 int | |
| 8785 has_cursormoved() | |
| 8786 { | |
| 8787 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 8788 } | |
| 8789 | |
| 8790 /* | |
| 8791 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 8792 */ | |
| 8793 int | |
| 8794 has_cursormovedI() | |
| 8795 { | |
| 8796 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 8797 } | |
| 7 | 8798 |
| 8799 static int | |
| 8800 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 8801 event_T event; |
| 7 | 8802 char_u *fname; /* NULL or empty means use actual file name */ |
| 8803 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 8804 use fname */ | |
| 8805 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8806 int group; /* group ID, or AUGROUP_ALL */ | |
| 8807 buf_T *buf; /* buffer for <abuf> */ | |
| 8808 exarg_T *eap; /* command arguments */ | |
| 8809 { | |
| 8810 char_u *sfname = NULL; /* short file name */ | |
| 8811 char_u *tail; | |
| 8812 int save_changed; | |
| 8813 buf_T *old_curbuf; | |
| 8814 int retval = FALSE; | |
| 8815 char_u *save_sourcing_name; | |
| 8816 linenr_T save_sourcing_lnum; | |
| 8817 char_u *save_autocmd_fname; | |
| 1723 | 8818 int save_autocmd_fname_full; |
| 7 | 8819 int save_autocmd_bufnr; |
| 8820 char_u *save_autocmd_match; | |
| 8821 int save_autocmd_busy; | |
| 8822 int save_autocmd_nested; | |
| 8823 static int nesting = 0; | |
| 8824 AutoPatCmd patcmd; | |
| 8825 AutoPat *ap; | |
| 8826 #ifdef FEAT_EVAL | |
| 8827 scid_T save_current_SID; | |
| 8828 void *save_funccalp; | |
| 8829 char_u *save_cmdarg; | |
| 8830 long save_cmdbang; | |
| 8831 #endif | |
| 8832 static int filechangeshell_busy = FALSE; | |
| 170 | 8833 #ifdef FEAT_PROFILE |
| 8834 proftime_T wait_time; | |
| 8835 #endif | |
| 7 | 8836 |
| 8837 /* | |
| 8838 * Quickly return if there are no autocommands for this event or | |
| 8839 * autocommands are blocked. | |
| 8840 */ | |
| 1410 | 8841 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 8842 goto BYPASS_AU; |
| 7 | 8843 |
| 8844 /* | |
| 8845 * When autocommands are busy, new autocommands are only executed when | |
| 8846 * explicitly enabled with the "nested" flag. | |
| 8847 */ | |
| 8848 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 8849 goto BYPASS_AU; |
| 7 | 8850 |
| 8851 #ifdef FEAT_EVAL | |
| 8852 /* | |
| 1201 | 8853 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 8854 * occurred or an exception was thrown but not caught. |
| 8855 */ | |
| 8856 if (aborting()) | |
| 40 | 8857 goto BYPASS_AU; |
| 7 | 8858 #endif |
| 8859 | |
| 8860 /* | |
| 8861 * FileChangedShell never nests, because it can create an endless loop. | |
| 8862 */ | |
| 765 | 8863 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 8864 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 8865 goto BYPASS_AU; |
| 7 | 8866 |
| 8867 /* | |
| 8868 * Ignore events in 'eventignore'. | |
| 8869 */ | |
| 8870 if (event_ignored(event)) | |
| 40 | 8871 goto BYPASS_AU; |
| 7 | 8872 |
| 8873 /* | |
| 8874 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 8875 * possible to create an endless loop. | |
| 8876 */ | |
| 8877 if (nesting == 10) | |
| 8878 { | |
| 8879 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 8880 goto BYPASS_AU; |
| 7 | 8881 } |
| 8882 | |
| 8883 /* | |
| 8884 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 8885 * ":ball". | |
| 8886 */ | |
| 8887 if ( (autocmd_no_enter | |
| 8888 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 8889 || (autocmd_no_leave | |
| 8890 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 8891 goto BYPASS_AU; |
| 7 | 8892 |
| 8893 /* | |
| 8894 * Save the autocmd_* variables and info about the current buffer. | |
| 8895 */ | |
| 8896 save_autocmd_fname = autocmd_fname; | |
| 1723 | 8897 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 8898 save_autocmd_bufnr = autocmd_bufnr; |
| 8899 save_autocmd_match = autocmd_match; | |
| 8900 save_autocmd_busy = autocmd_busy; | |
| 8901 save_autocmd_nested = autocmd_nested; | |
| 8902 save_changed = curbuf->b_changed; | |
| 8903 old_curbuf = curbuf; | |
| 8904 | |
| 8905 /* | |
| 8906 * Set the file name to be used for <afile>. | |
| 1471 | 8907 * Make a copy to avoid that changing a buffer name or directory makes it |
| 8908 * invalid. | |
| 7 | 8909 */ |
| 8910 if (fname_io == NULL) | |
| 8911 { | |
| 8912 if (fname != NULL && *fname != NUL) | |
| 8913 autocmd_fname = fname; | |
| 8914 else if (buf != NULL) | |
| 1723 | 8915 autocmd_fname = buf->b_ffname; |
| 7 | 8916 else |
| 8917 autocmd_fname = NULL; | |
| 8918 } | |
| 8919 else | |
| 8920 autocmd_fname = fname_io; | |
| 1471 | 8921 if (autocmd_fname != NULL) |
| 1723 | 8922 autocmd_fname = vim_strsave(autocmd_fname); |
| 8923 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 8924 |
| 8925 /* | |
| 8926 * Set the buffer number to be used for <abuf>. | |
| 8927 */ | |
| 8928 if (buf == NULL) | |
| 8929 autocmd_bufnr = 0; | |
| 8930 else | |
| 8931 autocmd_bufnr = buf->b_fnum; | |
| 8932 | |
| 8933 /* | |
| 8934 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 8935 * Always use the full path of the file name to match with, in case | |
| 8936 * "allow_dirs" is set. | |
| 8937 */ | |
| 8938 if (fname == NULL || *fname == NUL) | |
| 8939 { | |
| 8940 if (buf == NULL) | |
| 8941 fname = NULL; | |
| 8942 else | |
| 8943 { | |
| 8944 #ifdef FEAT_SYN_HL | |
| 8945 if (event == EVENT_SYNTAX) | |
| 8946 fname = buf->b_p_syn; | |
| 8947 else | |
| 8948 #endif | |
| 8949 if (event == EVENT_FILETYPE) | |
| 8950 fname = buf->b_p_ft; | |
| 8951 else | |
| 8952 { | |
| 8953 if (buf->b_sfname != NULL) | |
| 8954 sfname = vim_strsave(buf->b_sfname); | |
| 8955 fname = buf->b_ffname; | |
| 8956 } | |
| 8957 } | |
| 8958 if (fname == NULL) | |
| 8959 fname = (char_u *)""; | |
| 8960 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 8961 } | |
| 8962 else | |
| 8963 { | |
| 8964 sfname = vim_strsave(fname); | |
| 1867 | 8965 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 8966 * QuickFixCmd* */ | |
| 161 | 8967 if (event == EVENT_FILETYPE |
| 8968 || event == EVENT_SYNTAX | |
| 1867 | 8969 || event == EVENT_FUNCUNDEFINED |
| 161 | 8970 || event == EVENT_REMOTEREPLY |
| 649 | 8971 || event == EVENT_SPELLFILEMISSING |
| 161 | 8972 || event == EVENT_QUICKFIXCMDPRE |
| 8973 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 8974 fname = vim_strsave(fname); |
| 8975 else | |
| 8976 fname = FullName_save(fname, FALSE); | |
| 8977 } | |
| 8978 if (fname == NULL) /* out of memory */ | |
| 8979 { | |
| 8980 vim_free(sfname); | |
| 40 | 8981 retval = FALSE; |
| 8982 goto BYPASS_AU; | |
| 7 | 8983 } |
| 8984 | |
| 8985 #ifdef BACKSLASH_IN_FILENAME | |
| 8986 /* | |
| 8987 * Replace all backslashes with forward slashes. This makes the | |
| 8988 * autocommand patterns portable between Unix and MS-DOS. | |
| 8989 */ | |
| 8990 if (sfname != NULL) | |
| 8991 forward_slash(sfname); | |
| 8992 forward_slash(fname); | |
| 8993 #endif | |
| 8994 | |
| 8995 #ifdef VMS | |
| 8996 /* remove version for correct match */ | |
| 8997 if (sfname != NULL) | |
| 8998 vms_remove_version(sfname); | |
| 8999 vms_remove_version(fname); | |
| 9000 #endif | |
| 9001 | |
| 9002 /* | |
| 9003 * Set the name to be used for <amatch>. | |
| 9004 */ | |
| 9005 autocmd_match = fname; | |
| 9006 | |
| 9007 | |
| 9008 /* Don't redraw while doing auto commands. */ | |
| 9009 ++RedrawingDisabled; | |
| 9010 save_sourcing_name = sourcing_name; | |
| 9011 sourcing_name = NULL; /* don't free this one */ | |
| 9012 save_sourcing_lnum = sourcing_lnum; | |
| 9013 sourcing_lnum = 0; /* no line number here */ | |
| 9014 | |
| 9015 #ifdef FEAT_EVAL | |
| 9016 save_current_SID = current_SID; | |
| 9017 | |
| 170 | 9018 # ifdef FEAT_PROFILE |
| 788 | 9019 if (do_profiling == PROF_YES) |
| 170 | 9020 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9021 # endif | |
| 9022 | |
| 7 | 9023 /* Don't use local function variables, if called from a function */ |
| 9024 save_funccalp = save_funccal(); | |
| 9025 #endif | |
| 9026 | |
| 9027 /* | |
| 9028 * When starting to execute autocommands, save the search patterns. | |
| 9029 */ | |
| 9030 if (!autocmd_busy) | |
| 9031 { | |
| 9032 save_search_patterns(); | |
| 9033 saveRedobuff(); | |
| 9034 did_filetype = keep_filetype; | |
| 9035 } | |
| 9036 | |
| 9037 /* | |
| 9038 * Note that we are applying autocmds. Some commands need to know. | |
| 9039 */ | |
| 9040 autocmd_busy = TRUE; | |
| 9041 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9042 ++nesting; /* see matching decrement below */ | |
| 9043 | |
| 9044 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9045 if (event == EVENT_FILETYPE) | |
| 9046 did_filetype = TRUE; | |
| 9047 | |
| 9048 tail = gettail(fname); | |
| 9049 | |
| 9050 /* Find first autocommand that matches */ | |
| 9051 patcmd.curpat = first_autopat[(int)event]; | |
| 9052 patcmd.nextcmd = NULL; | |
| 9053 patcmd.group = group; | |
| 9054 patcmd.fname = fname; | |
| 9055 patcmd.sfname = sfname; | |
| 9056 patcmd.tail = tail; | |
| 9057 patcmd.event = event; | |
| 40 | 9058 patcmd.arg_bufnr = autocmd_bufnr; |
| 9059 patcmd.next = NULL; | |
| 7 | 9060 auto_next_pat(&patcmd, FALSE); |
| 9061 | |
| 9062 /* found one, start executing the autocommands */ | |
| 9063 if (patcmd.curpat != NULL) | |
| 9064 { | |
| 40 | 9065 /* add to active_apc_list */ |
| 9066 patcmd.next = active_apc_list; | |
| 9067 active_apc_list = &patcmd; | |
| 9068 | |
| 7 | 9069 #ifdef FEAT_EVAL |
| 9070 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9071 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9072 if (eap != NULL) | |
| 9073 { | |
| 9074 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9075 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9076 } | |
| 9077 else | |
| 9078 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9079 #endif | |
| 9080 retval = TRUE; | |
| 9081 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9082 * are added when executing autocommands */ | |
| 9083 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9084 ap->last = FALSE; | |
| 9085 ap->last = TRUE; | |
| 9086 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9087 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9088 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9089 #ifdef FEAT_EVAL | |
| 9090 if (eap != NULL) | |
| 9091 { | |
| 9092 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9093 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9094 } | |
| 9095 #endif | |
| 40 | 9096 /* delete from active_apc_list */ |
| 9097 if (active_apc_list == &patcmd) /* just in case */ | |
| 9098 active_apc_list = patcmd.next; | |
| 7 | 9099 } |
| 9100 | |
| 9101 --RedrawingDisabled; | |
| 9102 autocmd_busy = save_autocmd_busy; | |
| 9103 filechangeshell_busy = FALSE; | |
| 9104 autocmd_nested = save_autocmd_nested; | |
| 9105 vim_free(sourcing_name); | |
| 9106 sourcing_name = save_sourcing_name; | |
| 9107 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9108 vim_free(autocmd_fname); |
| 7 | 9109 autocmd_fname = save_autocmd_fname; |
| 1723 | 9110 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9111 autocmd_bufnr = save_autocmd_bufnr; |
| 9112 autocmd_match = save_autocmd_match; | |
| 9113 #ifdef FEAT_EVAL | |
| 9114 current_SID = save_current_SID; | |
| 9115 restore_funccal(save_funccalp); | |
| 170 | 9116 # ifdef FEAT_PROFILE |
| 788 | 9117 if (do_profiling == PROF_YES) |
| 170 | 9118 prof_child_exit(&wait_time); |
| 9119 # endif | |
| 7 | 9120 #endif |
| 9121 vim_free(fname); | |
| 9122 vim_free(sfname); | |
| 9123 --nesting; /* see matching increment above */ | |
| 9124 | |
| 9125 /* | |
| 9126 * When stopping to execute autocommands, restore the search patterns and | |
| 9127 * the redo buffer. | |
| 9128 */ | |
| 9129 if (!autocmd_busy) | |
| 9130 { | |
| 9131 restore_search_patterns(); | |
| 9132 restoreRedobuff(); | |
| 9133 did_filetype = FALSE; | |
| 9134 } | |
| 9135 | |
| 9136 /* | |
| 9137 * Some events don't set or reset the Changed flag. | |
| 9138 * Check if still in the same buffer! | |
| 9139 */ | |
| 9140 if (curbuf == old_curbuf | |
| 9141 && (event == EVENT_BUFREADPOST | |
| 9142 || event == EVENT_BUFWRITEPOST | |
| 9143 || event == EVENT_FILEAPPENDPOST | |
| 9144 || event == EVENT_VIMLEAVE | |
| 9145 || event == EVENT_VIMLEAVEPRE)) | |
| 9146 { | |
| 9147 #ifdef FEAT_TITLE | |
| 9148 if (curbuf->b_changed != save_changed) | |
| 9149 need_maketitle = TRUE; | |
| 9150 #endif | |
| 9151 curbuf->b_changed = save_changed; | |
| 9152 } | |
| 9153 | |
| 9154 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9155 |
| 9156 BYPASS_AU: | |
| 9157 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9158 * are deleted. */ | |
| 9159 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9160 aubuflocal_remove(buf); | |
| 9161 | |
| 7 | 9162 return retval; |
| 9163 } | |
| 9164 | |
| 1410 | 9165 # ifdef FEAT_EVAL |
| 9166 static char_u *old_termresponse = NULL; | |
| 9167 # endif | |
| 9168 | |
| 9169 /* | |
| 9170 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9171 * Can be used recursively, so long as it's symmetric. | |
| 9172 */ | |
| 9173 void | |
| 9174 block_autocmds() | |
| 9175 { | |
| 9176 # ifdef FEAT_EVAL | |
| 9177 /* Remember the value of v:termresponse. */ | |
| 9178 if (autocmd_blocked == 0) | |
| 9179 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9180 # endif | |
| 9181 ++autocmd_blocked; | |
| 9182 } | |
| 9183 | |
| 9184 void | |
| 9185 unblock_autocmds() | |
| 9186 { | |
| 9187 --autocmd_blocked; | |
| 9188 | |
| 9189 # ifdef FEAT_EVAL | |
| 9190 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9191 * the autocommands now. Esp. useful when executing a shell command | |
| 9192 * during startup (vimdiff). */ | |
| 9193 if (autocmd_blocked == 0 | |
| 9194 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9195 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9196 # endif | |
| 9197 } | |
| 9198 | |
| 7 | 9199 /* |
| 9200 * Find next autocommand pattern that matches. | |
| 9201 */ | |
| 9202 static void | |
| 9203 auto_next_pat(apc, stop_at_last) | |
| 9204 AutoPatCmd *apc; | |
| 9205 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9206 { | |
| 9207 AutoPat *ap; | |
| 9208 AutoCmd *cp; | |
| 9209 char_u *name; | |
| 9210 char *s; | |
| 9211 | |
| 9212 vim_free(sourcing_name); | |
| 9213 sourcing_name = NULL; | |
| 9214 | |
| 9215 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9216 { | |
| 9217 apc->curpat = NULL; | |
| 9218 | |
| 1723 | 9219 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9220 * the group matches. For buffer-local autocommands only check the |
| 9221 * buffer number. */ | |
| 7 | 9222 if (ap->pat != NULL && ap->cmds != NULL |
| 9223 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9224 { | |
| 40 | 9225 /* execution-condition */ |
| 9226 if (ap->buflocal_nr == 0 | |
| 153 | 9227 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9228 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9229 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9230 { |
| 9231 name = event_nr2name(apc->event); | |
| 9232 s = _("%s Auto commands for \"%s\""); | |
| 9233 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9234 + STRLEN(name) + ap->patlen + 1)); | |
| 9235 if (sourcing_name != NULL) | |
| 9236 { | |
| 9237 sprintf((char *)sourcing_name, s, | |
| 9238 (char *)name, (char *)ap->pat); | |
| 9239 if (p_verbose >= 8) | |
| 292 | 9240 { |
| 9241 verbose_enter(); | |
| 273 | 9242 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9243 verbose_leave(); |
| 9244 } | |
| 7 | 9245 } |
| 9246 | |
| 9247 apc->curpat = ap; | |
| 9248 apc->nextcmd = ap->cmds; | |
| 9249 /* mark last command */ | |
| 9250 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9251 cp->last = FALSE; | |
| 9252 cp->last = TRUE; | |
| 9253 } | |
| 9254 line_breakcheck(); | |
| 9255 if (apc->curpat != NULL) /* found a match */ | |
| 9256 break; | |
| 9257 } | |
| 9258 if (stop_at_last && ap->last) | |
| 9259 break; | |
| 9260 } | |
| 9261 } | |
| 9262 | |
| 9263 /* | |
| 9264 * Get next autocommand command. | |
| 9265 * Called by do_cmdline() to get the next line for ":if". | |
| 9266 * Returns allocated string, or NULL for end of autocommands. | |
| 9267 */ | |
| 9268 static char_u * | |
| 9269 getnextac(c, cookie, indent) | |
| 1880 | 9270 int c UNUSED; |
| 7 | 9271 void *cookie; |
| 1880 | 9272 int indent UNUSED; |
| 7 | 9273 { |
| 9274 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9275 char_u *retval; | |
| 9276 AutoCmd *ac; | |
| 9277 | |
| 9278 /* Can be called again after returning the last line. */ | |
| 9279 if (acp->curpat == NULL) | |
| 9280 return NULL; | |
| 9281 | |
| 9282 /* repeat until we find an autocommand to execute */ | |
| 9283 for (;;) | |
| 9284 { | |
| 9285 /* skip removed commands */ | |
| 9286 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9287 if (acp->nextcmd->last) | |
| 9288 acp->nextcmd = NULL; | |
| 9289 else | |
| 9290 acp->nextcmd = acp->nextcmd->next; | |
| 9291 | |
| 9292 if (acp->nextcmd != NULL) | |
| 9293 break; | |
| 9294 | |
| 9295 /* at end of commands, find next pattern that matches */ | |
| 9296 if (acp->curpat->last) | |
| 9297 acp->curpat = NULL; | |
| 9298 else | |
| 9299 acp->curpat = acp->curpat->next; | |
| 9300 if (acp->curpat != NULL) | |
| 9301 auto_next_pat(acp, TRUE); | |
| 9302 if (acp->curpat == NULL) | |
| 9303 return NULL; | |
| 9304 } | |
| 9305 | |
| 9306 ac = acp->nextcmd; | |
| 9307 | |
| 9308 if (p_verbose >= 9) | |
| 9309 { | |
| 292 | 9310 verbose_enter_scroll(); |
| 273 | 9311 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9312 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9313 verbose_leave_scroll(); |
| 7 | 9314 } |
| 9315 retval = vim_strsave(ac->cmd); | |
| 9316 autocmd_nested = ac->nested; | |
| 9317 #ifdef FEAT_EVAL | |
| 9318 current_SID = ac->scriptID; | |
| 9319 #endif | |
| 9320 if (ac->last) | |
| 9321 acp->nextcmd = NULL; | |
| 9322 else | |
| 9323 acp->nextcmd = ac->next; | |
| 9324 return retval; | |
| 9325 } | |
| 9326 | |
| 9327 /* | |
| 9328 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9329 * To account for buffer-local autocommands, function needs to know |
| 9330 * in which buffer the file will be opened. | |
| 7 | 9331 */ |
| 9332 int | |
| 40 | 9333 has_autocmd(event, sfname, buf) |
| 661 | 9334 event_T event; |
| 7 | 9335 char_u *sfname; |
| 40 | 9336 buf_T *buf; |
| 7 | 9337 { |
| 9338 AutoPat *ap; | |
| 9339 char_u *fname; | |
| 9340 char_u *tail = gettail(sfname); | |
| 9341 int retval = FALSE; | |
| 9342 | |
| 9343 fname = FullName_save(sfname, FALSE); | |
| 9344 if (fname == NULL) | |
| 9345 return FALSE; | |
| 9346 | |
| 9347 #ifdef BACKSLASH_IN_FILENAME | |
| 9348 /* | |
| 9349 * Replace all backslashes with forward slashes. This makes the | |
| 9350 * autocommand patterns portable between Unix and MS-DOS. | |
| 9351 */ | |
| 9352 sfname = vim_strsave(sfname); | |
| 9353 if (sfname != NULL) | |
| 9354 forward_slash(sfname); | |
| 9355 forward_slash(fname); | |
| 9356 #endif | |
| 9357 | |
| 9358 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9359 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9360 && (ap->buflocal_nr == 0 |
| 153 | 9361 ? match_file_pat(NULL, ap->reg_prog, |
| 9362 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9363 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9364 )) |
| 7 | 9365 { |
| 9366 retval = TRUE; | |
| 9367 break; | |
| 9368 } | |
| 9369 | |
| 9370 vim_free(fname); | |
| 9371 #ifdef BACKSLASH_IN_FILENAME | |
| 9372 vim_free(sfname); | |
| 9373 #endif | |
| 9374 | |
| 9375 return retval; | |
| 9376 } | |
| 9377 | |
| 9378 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9379 /* | |
| 9380 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9381 * names. | |
| 9382 */ | |
| 9383 char_u * | |
| 9384 get_augroup_name(xp, idx) | |
| 1880 | 9385 expand_T *xp UNUSED; |
| 7 | 9386 int idx; |
| 9387 { | |
| 9388 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9389 return (char_u *)"END"; | |
| 9390 if (idx >= augroups.ga_len) /* end of list */ | |
| 9391 return NULL; | |
| 9392 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9393 return (char_u *)""; | |
| 9394 return AUGROUP_NAME(idx); /* return a name */ | |
| 9395 } | |
| 9396 | |
| 9397 static int include_groups = FALSE; | |
| 9398 | |
| 9399 char_u * | |
| 9400 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9401 expand_T *xp; | |
| 9402 char_u *arg; | |
| 1733 | 9403 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9404 { |
| 9405 char_u *p; | |
| 9406 int group; | |
| 9407 | |
| 9408 /* check for a group name, skip it if present */ | |
| 9409 include_groups = FALSE; | |
| 9410 p = arg; | |
| 9411 group = au_get_grouparg(&arg); | |
| 9412 if (group == AUGROUP_ERROR) | |
| 9413 return NULL; | |
| 9414 /* If there only is a group name that's what we expand. */ | |
| 9415 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9416 { | |
| 9417 arg = p; | |
| 9418 group = AUGROUP_ALL; | |
| 9419 } | |
| 9420 | |
| 9421 /* skip over event name */ | |
| 9422 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9423 if (*p == ',') | |
| 9424 arg = p + 1; | |
| 9425 if (*p == NUL) | |
| 9426 { | |
| 9427 if (group == AUGROUP_ALL) | |
| 9428 include_groups = TRUE; | |
| 9429 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9430 xp->xp_pattern = arg; | |
| 9431 return NULL; | |
| 9432 } | |
| 9433 | |
| 9434 /* skip over pattern */ | |
| 9435 arg = skipwhite(p); | |
| 9436 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9437 arg++; | |
| 9438 if (*arg) | |
| 9439 return arg; /* expand (next) command */ | |
| 9440 | |
| 9441 if (doautocmd) | |
| 9442 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9443 else | |
| 9444 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9445 return NULL; | |
| 9446 } | |
| 9447 | |
| 9448 /* | |
| 9449 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9450 */ | |
| 9451 char_u * | |
| 9452 get_event_name(xp, idx) | |
| 1880 | 9453 expand_T *xp UNUSED; |
| 7 | 9454 int idx; |
| 9455 { | |
| 9456 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9457 { | |
| 9458 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9459 return (char_u *)""; /* skip deleted entries */ | |
| 9460 return AUGROUP_NAME(idx); /* return a name */ | |
| 9461 } | |
| 9462 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9463 } | |
| 9464 | |
| 9465 #endif /* FEAT_CMDL_COMPL */ | |
| 9466 | |
| 9467 /* | |
| 615 | 9468 * Return TRUE if autocmd is supported. |
| 9469 */ | |
| 9470 int | |
| 9471 autocmd_supported(name) | |
| 9472 char_u *name; | |
| 9473 { | |
| 9474 char_u *p; | |
| 9475 | |
| 9476 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9477 } | |
| 9478 | |
| 9479 /* | |
| 612 | 9480 * Return TRUE if an autocommand is defined for a group, event and |
| 9481 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9482 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9483 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9484 * Used for: | |
| 9485 * exists("#Group") or | |
| 9486 * exists("#Group#Event") or | |
| 9487 * exists("#Group#Event#pat") or | |
| 9488 * exists("#Event") or | |
| 9489 * exists("#Event#pat") | |
| 7 | 9490 */ |
| 9491 int | |
| 612 | 9492 au_exists(arg) |
| 9493 char_u *arg; | |
| 7 | 9494 { |
| 612 | 9495 char_u *arg_save; |
| 9496 char_u *pattern = NULL; | |
| 7 | 9497 char_u *event_name; |
| 9498 char_u *p; | |
| 661 | 9499 event_T event; |
| 7 | 9500 AutoPat *ap; |
| 40 | 9501 buf_T *buflocal_buf = NULL; |
| 612 | 9502 int group; |
| 9503 int retval = FALSE; | |
| 9504 | |
| 615 | 9505 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9506 arg_save = vim_strsave(arg); |
| 9507 if (arg_save == NULL) | |
| 9508 return FALSE; | |
| 615 | 9509 p = vim_strchr(arg_save, '#'); |
| 612 | 9510 if (p != NULL) |
| 9511 *p++ = NUL; | |
| 9512 | |
| 9513 /* First, look for an autocmd group name */ | |
| 9514 group = au_find_group(arg_save); | |
| 9515 if (group == AUGROUP_ERROR) | |
| 9516 { | |
| 9517 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9518 group = AUGROUP_ALL; | |
| 9519 event_name = arg_save; | |
| 9520 } | |
| 9521 else | |
| 9522 { | |
| 9523 if (p == NULL) | |
| 9524 { | |
| 9525 /* "Group": group name is present and it's recognized */ | |
| 9526 retval = TRUE; | |
| 9527 goto theend; | |
| 9528 } | |
| 9529 | |
| 9530 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9531 event_name = p; | |
| 9532 p = vim_strchr(event_name, '#'); | |
| 9533 if (p != NULL) | |
| 9534 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9535 } | |
| 9536 | |
| 9537 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9538 |
| 9539 /* find the index (enum) for the event name */ | |
| 9540 event = event_name2nr(event_name, &p); | |
| 9541 | |
| 9542 /* return FALSE if the event name is not recognized */ | |
| 612 | 9543 if (event == NUM_EVENTS) |
| 9544 goto theend; | |
| 7 | 9545 |
| 9546 /* Find the first autocommand for this event. | |
| 9547 * If there isn't any, return FALSE; | |
| 9548 * If there is one and no pattern given, return TRUE; */ | |
| 9549 ap = first_autopat[(int)event]; | |
| 9550 if (ap == NULL) | |
| 612 | 9551 goto theend; |
| 7 | 9552 |
| 40 | 9553 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9554 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9555 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9556 buflocal_buf = curbuf; |
| 9557 | |
| 7 | 9558 /* Check if there is an autocommand with the given pattern. */ |
| 9559 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9560 /* only use a pattern when it has not been removed and has commands. */ |
| 9561 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9562 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9563 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9564 && (pattern == NULL |
| 9565 || (buflocal_buf == NULL | |
| 9566 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9567 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9568 { |
| 9569 retval = TRUE; | |
| 9570 break; | |
| 9571 } | |
| 9572 | |
| 9573 theend: | |
| 9574 vim_free(arg_save); | |
| 9575 return retval; | |
| 7 | 9576 } |
| 40 | 9577 |
| 934 | 9578 #else /* FEAT_AUTOCMD */ |
| 9579 | |
| 9580 /* | |
| 9581 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9582 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9583 * "curbuf" and "curwin" to match "buf". | |
| 9584 */ | |
| 9585 void | |
| 9586 aucmd_prepbuf(aco, buf) | |
| 9587 aco_save_T *aco; /* structure to save values in */ | |
| 9588 buf_T *buf; /* new curbuf */ | |
| 9589 { | |
| 1906 | 9590 aco->save_curbuf = curbuf; |
| 9591 --curbuf->b_nwindows; | |
| 934 | 9592 curbuf = buf; |
| 9593 curwin->w_buffer = buf; | |
| 1906 | 9594 ++curbuf->b_nwindows; |
| 934 | 9595 } |
| 9596 | |
| 9597 /* | |
| 9598 * Restore after executing commands for a (hidden) buffer. | |
| 9599 * This is the non-autocommand version. | |
| 9600 */ | |
| 9601 void | |
| 9602 aucmd_restbuf(aco) | |
| 9603 aco_save_T *aco; /* structure holding saved values */ | |
| 9604 { | |
| 1906 | 9605 --curbuf->b_nwindows; |
| 9606 curbuf = aco->save_curbuf; | |
| 934 | 9607 curwin->w_buffer = curbuf; |
| 1906 | 9608 ++curbuf->b_nwindows; |
| 934 | 9609 } |
| 9610 | |
| 7 | 9611 #endif /* FEAT_AUTOCMD */ |
| 9612 | |
| 934 | 9613 |
| 7 | 9614 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 9615 /* | |
| 153 | 9616 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 9617 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 9618 * vim_regcomp() often. | |
| 7 | 9619 * Used for autocommands and 'wildignore'. |
| 9620 * Returns TRUE if there is a match, FALSE otherwise. | |
| 9621 */ | |
| 9622 int | |
| 153 | 9623 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 9624 char_u *pattern; /* pattern to match with */ |
| 153 | 9625 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 9626 char_u *fname; /* full path of file name */ |
| 9627 char_u *sfname; /* short file name or NULL */ | |
| 9628 char_u *tail; /* tail of path */ | |
| 9629 int allow_dirs; /* allow matching with dir */ | |
| 9630 { | |
| 9631 regmatch_T regmatch; | |
| 9632 int result = FALSE; | |
| 9633 #ifdef FEAT_OSFILETYPE | |
| 9634 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 9635 char_u *type_start; | |
| 9636 char_u c; | |
| 9637 int match = FALSE; | |
| 9638 #endif | |
| 9639 | |
| 9640 #ifdef CASE_INSENSITIVE_FILENAME | |
| 9641 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
| 9642 #else | |
| 9643 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
| 9644 #endif | |
| 9645 #ifdef FEAT_OSFILETYPE | |
| 9646 if (*pattern == '<') | |
| 9647 { | |
| 9648 /* There is a filetype condition specified with this pattern. | |
| 9649 * Check the filetype matches first. If not, don't bother with the | |
| 9650 * pattern (set regprog to NULL). | |
| 9651 * Always use magic for the regexp. | |
| 9652 */ | |
| 9653 | |
| 9654 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 9655 { | |
| 9656 if ((c == ';' || c == '>') && match == FALSE) | |
| 9657 { | |
| 9658 *pattern = NUL; /* Terminate the string */ | |
| 9659 match = mch_check_filetype(fname, type_start); | |
| 9660 *pattern = c; /* Restore the terminator */ | |
| 9661 type_start = pattern + 1; | |
| 9662 } | |
| 9663 if (c == '>') | |
| 9664 break; | |
| 9665 } | |
| 9666 | |
| 9667 /* (c should never be NUL, but check anyway) */ | |
| 9668 if (match == FALSE || c == NUL) | |
| 9669 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 9670 else if (*pattern == NUL) | |
| 9671 { | |
| 9672 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 9673 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 9674 } | |
| 9675 else | |
| 9676 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 9677 } | |
| 9678 else | |
| 9679 #endif | |
| 153 | 9680 { |
| 9681 if (prog != NULL) | |
| 9682 regmatch.regprog = prog; | |
| 9683 else | |
| 9684 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 9685 } | |
| 7 | 9686 |
| 9687 /* | |
| 9688 * Try for a match with the pattern with: | |
| 9689 * 1. the full file name, when the pattern has a '/'. | |
| 9690 * 2. the short file name, when the pattern has a '/'. | |
| 9691 * 3. the tail of the file name, when the pattern has no '/'. | |
| 9692 */ | |
| 9693 if ( | |
| 9694 #ifdef FEAT_OSFILETYPE | |
| 9695 /* If the check is for a filetype only and we don't care | |
| 9696 * about the path then skip all the regexp stuff. | |
| 9697 */ | |
| 9698 no_pattern || | |
| 9699 #endif | |
| 9700 (regmatch.regprog != NULL | |
| 9701 && ((allow_dirs | |
| 9702 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 9703 || (sfname != NULL | |
| 9704 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 9705 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 9706 result = TRUE; | |
| 9707 | |
| 153 | 9708 if (prog == NULL) |
| 9709 vim_free(regmatch.regprog); | |
| 7 | 9710 return result; |
| 9711 } | |
| 9712 #endif | |
| 9713 | |
| 9714 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 9715 /* | |
| 9716 * Return TRUE if a file matches with a pattern in "list". | |
| 9717 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 9718 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 9719 */ | |
| 9720 int | |
| 9721 match_file_list(list, sfname, ffname) | |
| 9722 char_u *list; | |
| 9723 char_u *sfname; | |
| 9724 char_u *ffname; | |
| 9725 { | |
| 9726 char_u buf[100]; | |
| 9727 char_u *tail; | |
| 9728 char_u *regpat; | |
| 9729 char allow_dirs; | |
| 9730 int match; | |
| 9731 char_u *p; | |
| 9732 | |
| 9733 tail = gettail(sfname); | |
| 9734 | |
| 9735 /* try all patterns in 'wildignore' */ | |
| 9736 p = list; | |
| 9737 while (*p) | |
| 9738 { | |
| 9739 copy_option_part(&p, buf, 100, ","); | |
| 9740 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 9741 if (regpat == NULL) | |
| 9742 break; | |
| 153 | 9743 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 9744 tail, (int)allow_dirs); | |
| 7 | 9745 vim_free(regpat); |
| 9746 if (match) | |
| 9747 return TRUE; | |
| 9748 } | |
| 9749 return FALSE; | |
| 9750 } | |
| 9751 #endif | |
| 9752 | |
| 9753 /* | |
| 9754 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 9755 * a regular expression, and return the result in allocated memory. If there | |
| 9756 * is a directory path separator to be matched, then TRUE is put in | |
| 9757 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 9758 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 9759 * | |
| 9760 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 9761 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 9762 * | |
| 9763 * Returns NULL when out of memory. | |
| 9764 */ | |
| 9765 char_u * | |
| 9766 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 9767 char_u *pat; | |
| 9768 char_u *pat_end; /* first char after pattern or NULL */ | |
| 9769 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 9770 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 9771 { |
| 9772 int size; | |
| 9773 char_u *endp; | |
| 9774 char_u *reg_pat; | |
| 9775 char_u *p; | |
| 9776 int i; | |
| 9777 int nested = 0; | |
| 9778 int add_dollar = TRUE; | |
| 9779 #ifdef FEAT_OSFILETYPE | |
| 9780 int check_length = 0; | |
| 9781 #endif | |
| 9782 | |
| 9783 if (allow_dirs != NULL) | |
| 9784 *allow_dirs = FALSE; | |
| 9785 if (pat_end == NULL) | |
| 9786 pat_end = pat + STRLEN(pat); | |
| 9787 | |
| 9788 #ifdef FEAT_OSFILETYPE | |
| 9789 /* Find out how much of the string is the filetype check */ | |
| 9790 if (*pat == '<') | |
| 9791 { | |
| 9792 /* Count chars until the next '>' */ | |
| 9793 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 9794 ; | |
| 9795 if (p < pat_end) | |
| 9796 { | |
| 9797 /* Pattern is of the form <.*>.* */ | |
| 9798 check_length = p - pat + 1; | |
| 9799 if (p + 1 >= pat_end) | |
| 9800 { | |
| 9801 /* The 'pattern' is a filetype check ONLY */ | |
| 9802 reg_pat = (char_u *)alloc(check_length + 1); | |
| 9803 if (reg_pat != NULL) | |
| 9804 { | |
| 9805 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 9806 reg_pat[check_length] = NUL; | |
| 9807 } | |
| 9808 return reg_pat; | |
| 9809 } | |
| 9810 } | |
| 9811 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 9812 | |
| 9813 } | |
| 9814 pat += check_length; | |
| 9815 size = 2 + check_length; | |
| 9816 #else | |
| 9817 size = 2; /* '^' at start, '$' at end */ | |
| 9818 #endif | |
| 9819 | |
| 9820 for (p = pat; p < pat_end; p++) | |
| 9821 { | |
| 9822 switch (*p) | |
| 9823 { | |
| 9824 case '*': | |
| 9825 case '.': | |
| 9826 case ',': | |
| 9827 case '{': | |
| 9828 case '}': | |
| 9829 case '~': | |
| 9830 size += 2; /* extra backslash */ | |
| 9831 break; | |
| 9832 #ifdef BACKSLASH_IN_FILENAME | |
| 9833 case '\\': | |
| 9834 case '/': | |
| 9835 size += 4; /* could become "[\/]" */ | |
| 9836 break; | |
| 9837 #endif | |
| 9838 default: | |
| 9839 size++; | |
| 9840 # ifdef FEAT_MBYTE | |
| 474 | 9841 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 9842 { |
| 9843 ++p; | |
| 9844 ++size; | |
| 9845 } | |
| 9846 # endif | |
| 9847 break; | |
| 9848 } | |
| 9849 } | |
| 9850 reg_pat = alloc(size + 1); | |
| 9851 if (reg_pat == NULL) | |
| 9852 return NULL; | |
| 9853 | |
| 9854 #ifdef FEAT_OSFILETYPE | |
| 9855 /* Copy the type check in to the start. */ | |
| 9856 if (check_length) | |
| 9857 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 9858 i = check_length; | |
| 9859 #else | |
| 9860 i = 0; | |
| 9861 #endif | |
| 9862 | |
| 9863 if (pat[0] == '*') | |
| 9864 while (pat[0] == '*' && pat < pat_end - 1) | |
| 9865 pat++; | |
| 9866 else | |
| 9867 reg_pat[i++] = '^'; | |
| 9868 endp = pat_end - 1; | |
| 9869 if (*endp == '*') | |
| 9870 { | |
| 9871 while (endp - pat > 0 && *endp == '*') | |
| 9872 endp--; | |
| 9873 add_dollar = FALSE; | |
| 9874 } | |
| 9875 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 9876 { | |
| 9877 switch (*p) | |
| 9878 { | |
| 9879 case '*': | |
| 9880 reg_pat[i++] = '.'; | |
| 9881 reg_pat[i++] = '*'; | |
| 444 | 9882 while (p[1] == '*') /* "**" matches like "*" */ |
| 9883 ++p; | |
| 7 | 9884 break; |
| 9885 case '.': | |
| 9886 #ifdef RISCOS | |
| 9887 if (allow_dirs != NULL) | |
| 9888 *allow_dirs = TRUE; | |
| 9889 /* FALLTHROUGH */ | |
| 9890 #endif | |
| 9891 case '~': | |
| 9892 reg_pat[i++] = '\\'; | |
| 9893 reg_pat[i++] = *p; | |
| 9894 break; | |
| 9895 case '?': | |
| 9896 #ifdef RISCOS | |
| 9897 case '#': | |
| 9898 #endif | |
| 9899 reg_pat[i++] = '.'; | |
| 9900 break; | |
| 9901 case '\\': | |
| 9902 if (p[1] == NUL) | |
| 9903 break; | |
| 9904 #ifdef BACKSLASH_IN_FILENAME | |
| 9905 if (!no_bslash) | |
| 9906 { | |
| 9907 /* translate: | |
| 9908 * "\x" to "\\x" e.g., "dir\file" | |
| 9909 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 9910 * "\?" to "\\." e.g., "dir\??.c" | |
| 9911 * "\+" to "\+" e.g., "fileX\+.c" | |
| 9912 */ | |
| 9913 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 9914 && p[1] != '+') | |
| 9915 { | |
| 9916 reg_pat[i++] = '['; | |
| 9917 reg_pat[i++] = '\\'; | |
| 9918 reg_pat[i++] = '/'; | |
| 9919 reg_pat[i++] = ']'; | |
| 9920 if (allow_dirs != NULL) | |
| 9921 *allow_dirs = TRUE; | |
| 9922 break; | |
| 9923 } | |
| 9924 } | |
| 9925 #endif | |
| 9926 if (*++p == '?' | |
| 9927 #ifdef BACKSLASH_IN_FILENAME | |
| 9928 && no_bslash | |
| 9929 #endif | |
| 9930 ) | |
| 9931 reg_pat[i++] = '?'; | |
| 9932 else | |
| 9933 if (*p == ',') | |
| 9934 reg_pat[i++] = ','; | |
| 9935 else | |
| 9936 { | |
| 9937 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 9938 #ifdef BACKSLASH_IN_FILENAME | |
| 9939 && (!no_bslash || *p != '\\') | |
| 9940 #endif | |
| 9941 ) | |
| 9942 *allow_dirs = TRUE; | |
| 9943 reg_pat[i++] = '\\'; | |
| 9944 reg_pat[i++] = *p; | |
| 9945 } | |
| 9946 break; | |
| 9947 #ifdef BACKSLASH_IN_FILENAME | |
| 9948 case '/': | |
| 9949 reg_pat[i++] = '['; | |
| 9950 reg_pat[i++] = '\\'; | |
| 9951 reg_pat[i++] = '/'; | |
| 9952 reg_pat[i++] = ']'; | |
| 9953 if (allow_dirs != NULL) | |
| 9954 *allow_dirs = TRUE; | |
| 9955 break; | |
| 9956 #endif | |
| 9957 case '{': | |
| 9958 reg_pat[i++] = '\\'; | |
| 9959 reg_pat[i++] = '('; | |
| 9960 nested++; | |
| 9961 break; | |
| 9962 case '}': | |
| 9963 reg_pat[i++] = '\\'; | |
| 9964 reg_pat[i++] = ')'; | |
| 9965 --nested; | |
| 9966 break; | |
| 9967 case ',': | |
| 9968 if (nested) | |
| 9969 { | |
| 9970 reg_pat[i++] = '\\'; | |
| 9971 reg_pat[i++] = '|'; | |
| 9972 } | |
| 9973 else | |
| 9974 reg_pat[i++] = ','; | |
| 9975 break; | |
| 9976 default: | |
| 9977 # ifdef FEAT_MBYTE | |
| 474 | 9978 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 9979 reg_pat[i++] = *p++; |
| 9980 else | |
| 9981 # endif | |
| 9982 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 9983 *allow_dirs = TRUE; | |
| 9984 reg_pat[i++] = *p; | |
| 9985 break; | |
| 9986 } | |
| 9987 } | |
| 9988 if (add_dollar) | |
| 9989 reg_pat[i++] = '$'; | |
| 9990 reg_pat[i] = NUL; | |
| 9991 if (nested != 0) | |
| 9992 { | |
| 9993 if (nested < 0) | |
| 9994 EMSG(_("E219: Missing {.")); | |
| 9995 else | |
| 9996 EMSG(_("E220: Missing }.")); | |
| 9997 vim_free(reg_pat); | |
| 9998 reg_pat = NULL; | |
| 9999 } | |
| 10000 return reg_pat; | |
| 10001 } |