Mercurial > vim
annotate src/fileio.c @ 2095:8aa3cd045aef v7.2.379
updated for version 7.2.379
Problem: 'eventignore' is set to an invalid value inside ":doau". (Antony
Scriven)
Solution: Don't include the leading comma when the option was empty.
| author | Bram Moolenaar <bram@zimbu.org> |
|---|---|
| date | Tue, 02 Mar 2010 12:48:05 +0100 |
| parents | 85da03763130 |
| children | 2bd29808d1f6 |
| 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 { | |
| 598 if (perm < 0) | |
| 599 { | |
| 600 /* | |
| 601 * Set the 'new-file' flag, so that when the file has | |
| 602 * been created by someone else, a ":w" will complain. | |
| 603 */ | |
| 604 curbuf->b_flags |= BF_NEW; | |
| 605 | |
| 606 /* Create a swap file now, so that other Vims are warned | |
| 607 * that we are editing this file. Don't do this for a | |
| 608 * "nofile" or "nowrite" buffer type. */ | |
| 609 #ifdef FEAT_QUICKFIX | |
| 610 if (!bt_dontwrite(curbuf)) | |
| 611 #endif | |
| 1834 | 612 { |
| 7 | 613 check_need_swap(newfile); |
| 1834 | 614 #ifdef FEAT_AUTOCMD |
| 615 /* SwapExists autocommand may mess things up */ | |
| 616 if (curbuf != old_curbuf | |
| 617 || (using_b_ffname | |
| 618 && (old_b_ffname != curbuf->b_ffname)) | |
| 619 || (using_b_fname | |
| 620 && (old_b_fname != curbuf->b_fname))) | |
| 621 { | |
| 622 EMSG(_(e_auchangedbuf)); | |
| 623 return FAIL; | |
| 624 } | |
| 625 #endif | |
| 626 } | |
| 592 | 627 if (dir_of_file_exists(fname)) |
| 628 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 629 else | |
| 630 filemess(curbuf, sfname, | |
| 631 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 632 #ifdef FEAT_VIMINFO |
| 633 /* Even though this is a new file, it might have been | |
| 634 * edited before and deleted. Get the old marks. */ | |
| 635 check_marks_read(); | |
| 636 #endif | |
| 637 #ifdef FEAT_MBYTE | |
| 638 if (eap != NULL && eap->force_enc != 0) | |
| 639 { | |
| 640 /* set forced 'fileencoding' */ | |
| 641 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 642 if (fenc != NULL) | |
| 643 set_string_option_direct((char_u *)"fenc", -1, | |
| 694 | 644 fenc, OPT_FREE|OPT_LOCAL, 0); |
| 7 | 645 vim_free(fenc); |
| 646 } | |
| 647 #endif | |
| 648 #ifdef FEAT_AUTOCMD | |
| 649 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 650 FALSE, curbuf, eap); | |
| 651 #endif | |
| 652 /* remember the current fileformat */ | |
| 653 save_file_ff(curbuf); | |
| 654 | |
| 655 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 656 if (aborting()) /* autocmds may abort script processing */ | |
| 657 return FAIL; | |
| 658 #endif | |
| 659 return OK; /* a new file is not an error */ | |
| 660 } | |
| 661 else | |
| 662 { | |
| 550 | 663 filemess(curbuf, sfname, (char_u *)( |
| 664 # ifdef EFBIG | |
| 665 (errno == EFBIG) ? _("[File too big]") : | |
| 666 # endif | |
| 667 _("[Permission Denied]")), 0); | |
| 7 | 668 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 669 } | |
| 670 } | |
| 671 | |
| 672 return FAIL; | |
| 673 } | |
| 674 | |
| 675 /* | |
| 676 * Only set the 'ro' flag for readonly files the first time they are | |
| 677 * loaded. Help files always get readonly mode | |
| 678 */ | |
| 679 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 680 curbuf->b_p_ro = TRUE; | |
| 681 | |
| 819 | 682 if (set_options) |
| 7 | 683 { |
| 1486 | 684 /* Don't change 'eol' if reading from buffer as it will already be |
| 685 * correctly set when reading stdin. */ | |
| 686 if (!read_buffer) | |
| 687 { | |
| 688 curbuf->b_p_eol = TRUE; | |
| 689 curbuf->b_start_eol = TRUE; | |
| 690 } | |
| 7 | 691 #ifdef FEAT_MBYTE |
| 692 curbuf->b_p_bomb = FALSE; | |
| 1352 | 693 curbuf->b_start_bomb = FALSE; |
| 7 | 694 #endif |
| 695 } | |
| 696 | |
| 697 /* Create a swap file now, so that other Vims are warned that we are | |
| 698 * editing this file. | |
| 699 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 700 #ifdef FEAT_QUICKFIX | |
| 701 if (!bt_dontwrite(curbuf)) | |
| 702 #endif | |
| 703 { | |
| 704 check_need_swap(newfile); | |
| 1834 | 705 #ifdef FEAT_AUTOCMD |
| 706 if (!read_stdin && (curbuf != old_curbuf | |
| 707 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 708 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 709 { | |
| 710 EMSG(_(e_auchangedbuf)); | |
| 711 if (!read_buffer) | |
| 712 close(fd); | |
| 713 return FAIL; | |
| 714 } | |
| 715 #endif | |
| 7 | 716 #ifdef UNIX |
| 717 /* Set swap file protection bits after creating it. */ | |
| 1918 | 718 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 719 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 720 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 721 #endif | |
| 722 } | |
| 723 | |
| 578 | 724 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 725 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 726 if (swap_exists_action == SEA_QUIT) | |
| 727 { | |
| 728 if (!read_buffer && !read_stdin) | |
| 729 close(fd); | |
| 730 return FAIL; | |
| 731 } | |
| 732 #endif | |
| 733 | |
| 734 ++no_wait_return; /* don't wait for return yet */ | |
| 735 | |
| 736 /* | |
| 737 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 738 */ | |
| 739 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 740 curbuf->b_op_start.col = 0; | |
| 741 | |
| 742 #ifdef FEAT_AUTOCMD | |
| 743 if (!read_buffer) | |
| 744 { | |
| 745 int m = msg_scroll; | |
| 746 int n = msg_scrolled; | |
| 747 | |
| 748 /* | |
| 749 * The file must be closed again, the autocommands may want to change | |
| 750 * the file before reading it. | |
| 751 */ | |
| 752 if (!read_stdin) | |
| 753 close(fd); /* ignore errors */ | |
| 754 | |
| 755 /* | |
| 756 * The output from the autocommands should not overwrite anything and | |
| 757 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 758 * output was done. | |
| 759 */ | |
| 760 msg_scroll = TRUE; | |
| 761 if (filtering) | |
| 762 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 763 FALSE, curbuf, eap); | |
| 764 else if (read_stdin) | |
| 765 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 766 FALSE, curbuf, eap); | |
| 767 else if (newfile) | |
| 768 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 769 FALSE, curbuf, eap); | |
| 770 else | |
| 771 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 772 FALSE, NULL, eap); | |
| 773 if (msg_scrolled == n) | |
| 774 msg_scroll = m; | |
| 775 | |
| 776 #ifdef FEAT_EVAL | |
| 777 if (aborting()) /* autocmds may abort script processing */ | |
| 778 { | |
| 779 --no_wait_return; | |
| 780 msg_scroll = msg_save; | |
| 781 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 782 return FAIL; | |
| 783 } | |
| 784 #endif | |
| 785 /* | |
| 786 * Don't allow the autocommands to change the current buffer. | |
| 787 * Try to re-open the file. | |
| 1834 | 788 * |
| 789 * Don't allow the autocommands to change the buffer name either | |
| 790 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 791 */ |
| 792 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 793 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 794 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 795 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 796 { | |
| 797 --no_wait_return; | |
| 798 msg_scroll = msg_save; | |
| 799 if (fd < 0) | |
| 800 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 801 else | |
| 802 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 803 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 804 return FAIL; | |
| 805 } | |
| 806 } | |
| 807 #endif /* FEAT_AUTOCMD */ | |
| 808 | |
| 809 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 810 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 811 | |
| 812 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 813 { | |
| 814 /* | |
| 815 * Show the user that we are busy reading the input. Sometimes this | |
| 816 * may take a while. When reading from stdin another program may | |
| 817 * still be running, don't move the cursor to the last line, unless | |
| 818 * always using the GUI. | |
| 819 */ | |
| 820 if (read_stdin) | |
| 821 { | |
| 822 #ifndef ALWAYS_USE_GUI | |
| 823 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 824 #endif | |
| 825 #ifdef FEAT_GUI | |
| 826 /* Also write a message in the GUI window, if there is one. */ | |
| 827 if (gui.in_use && !gui.dying && !gui.starting) | |
| 828 { | |
| 829 p = (char_u *)_("Reading from stdin..."); | |
| 830 gui_write(p, (int)STRLEN(p)); | |
| 831 } | |
| 832 #endif | |
| 833 } | |
| 834 else if (!read_buffer) | |
| 835 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 836 } | |
| 837 | |
| 838 msg_scroll = FALSE; /* overwrite the file message */ | |
| 839 | |
| 840 /* | |
| 841 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 842 * fileformat, and after the autocommands, which may change them. | |
| 843 */ | |
| 844 linecnt = curbuf->b_ml.ml_line_count; | |
| 845 | |
| 846 #ifdef FEAT_MBYTE | |
| 595 | 847 /* "++bad=" argument. */ |
| 848 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 849 { |
| 595 | 850 bad_char_behavior = eap->bad_char; |
| 819 | 851 if (set_options) |
| 612 | 852 curbuf->b_bad_char = eap->bad_char; |
| 853 } | |
| 854 else | |
| 855 curbuf->b_bad_char = 0; | |
| 595 | 856 |
| 7 | 857 /* |
| 595 | 858 * Decide which 'encoding' to use or use first. |
| 7 | 859 */ |
| 860 if (eap != NULL && eap->force_enc != 0) | |
| 861 { | |
| 862 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 863 fenc_alloced = TRUE; | |
| 595 | 864 keep_dest_enc = TRUE; |
| 7 | 865 } |
| 866 else if (curbuf->b_p_bin) | |
| 867 { | |
| 868 fenc = (char_u *)""; /* binary: don't convert */ | |
| 869 fenc_alloced = FALSE; | |
| 870 } | |
| 871 else if (curbuf->b_help) | |
| 872 { | |
| 873 char_u firstline[80]; | |
| 301 | 874 int fc; |
| 7 | 875 |
| 876 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 877 * fails it must be latin1. | |
| 878 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 879 * this when needed to avoid [converted] remarks all the time. | |
| 880 * It is needed when the first line contains non-ASCII characters. | |
| 881 * That is only in *.??x files. */ | |
| 882 fenc = (char_u *)"latin1"; | |
| 883 c = enc_utf8; | |
| 301 | 884 if (!c && !read_stdin) |
| 885 { | |
| 886 fc = fname[STRLEN(fname) - 1]; | |
| 887 if (TOLOWER_ASC(fc) == 'x') | |
| 888 { | |
| 889 /* Read the first line (and a bit more). Immediately rewind to | |
| 890 * the start of the file. If the read() fails "len" is -1. */ | |
| 891 len = vim_read(fd, firstline, 80); | |
| 892 lseek(fd, (off_t)0L, SEEK_SET); | |
| 893 for (p = firstline; p < firstline + len; ++p) | |
| 894 if (*p >= 0x80) | |
| 895 { | |
| 896 c = TRUE; | |
| 897 break; | |
| 898 } | |
| 899 } | |
| 7 | 900 } |
| 901 | |
| 902 if (c) | |
| 903 { | |
| 904 fenc_next = fenc; | |
| 905 fenc = (char_u *)"utf-8"; | |
| 906 | |
| 907 /* When the file is utf-8 but a character doesn't fit in | |
| 908 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 909 * doesn't make sense. */ | |
| 844 | 910 if (!enc_utf8) |
| 911 keep_dest_enc = TRUE; | |
| 7 | 912 } |
| 913 fenc_alloced = FALSE; | |
| 914 } | |
| 915 else if (*p_fencs == NUL) | |
| 916 { | |
| 917 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 918 fenc_alloced = FALSE; | |
| 919 } | |
| 920 else | |
| 921 { | |
| 922 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 923 fenc = next_fenc(&fenc_next); | |
| 924 fenc_alloced = TRUE; | |
| 925 } | |
| 926 #endif | |
| 927 | |
| 928 /* | |
| 929 * Jump back here to retry reading the file in different ways. | |
| 930 * Reasons to retry: | |
| 931 * - encoding conversion failed: try another one from "fenc_next" | |
| 932 * - BOM detected and fenc was set, need to setup conversion | |
| 933 * - "fileformat" check failed: try another | |
| 934 * | |
| 935 * Variables set for special retry actions: | |
| 936 * "file_rewind" Rewind the file to start reading it again. | |
| 937 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 938 * "skip_read" Re-use already read bytes (BOM detected). | |
| 939 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 940 * "keep_fileformat" Don't reset "fileformat". | |
| 941 * | |
| 942 * Other status indicators: | |
| 943 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 944 * Output file has to be deleted afterwards. | |
| 945 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 946 */ | |
| 947 retry: | |
| 948 | |
| 949 if (file_rewind) | |
| 950 { | |
| 951 if (read_buffer) | |
| 952 { | |
| 953 read_buf_lnum = 1; | |
| 954 read_buf_col = 0; | |
| 955 } | |
| 956 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 957 { | |
| 958 /* Can't rewind the file, give up. */ | |
| 959 error = TRUE; | |
| 960 goto failed; | |
| 961 } | |
| 962 /* Delete the previously read lines. */ | |
| 963 while (lnum > from) | |
| 964 ml_delete(lnum--, FALSE); | |
| 965 file_rewind = FALSE; | |
| 966 #ifdef FEAT_MBYTE | |
| 819 | 967 if (set_options) |
| 1352 | 968 { |
| 7 | 969 curbuf->b_p_bomb = FALSE; |
| 1352 | 970 curbuf->b_start_bomb = FALSE; |
| 971 } | |
| 595 | 972 conv_error = 0; |
| 7 | 973 #endif |
| 974 } | |
| 975 | |
| 976 /* | |
| 977 * When retrying with another "fenc" and the first time "fileformat" | |
| 978 * will be reset. | |
| 979 */ | |
| 980 if (keep_fileformat) | |
| 981 keep_fileformat = FALSE; | |
| 982 else | |
| 983 { | |
| 984 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 985 { |
| 7 | 986 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 987 try_unix = try_dos = try_mac = FALSE; |
| 988 } | |
| 7 | 989 else if (curbuf->b_p_bin) |
| 990 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 991 else if (*p_ffs == NUL) | |
| 992 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 993 else | |
| 994 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 995 } | |
| 996 | |
| 997 #ifdef FEAT_MBYTE | |
| 998 # ifdef USE_ICONV | |
| 999 if (iconv_fd != (iconv_t)-1) | |
| 1000 { | |
| 1001 /* aborted conversion with iconv(), close the descriptor */ | |
| 1002 iconv_close(iconv_fd); | |
| 1003 iconv_fd = (iconv_t)-1; | |
| 1004 } | |
| 1005 # endif | |
| 1006 | |
| 1007 if (advance_fenc) | |
| 1008 { | |
| 1009 /* | |
| 1010 * Try the next entry in 'fileencodings'. | |
| 1011 */ | |
| 1012 advance_fenc = FALSE; | |
| 1013 | |
| 1014 if (eap != NULL && eap->force_enc != 0) | |
| 1015 { | |
| 1016 /* Conversion given with "++cc=" wasn't possible, read | |
| 1017 * without conversion. */ | |
| 1018 notconverted = TRUE; | |
| 595 | 1019 conv_error = 0; |
| 7 | 1020 if (fenc_alloced) |
| 1021 vim_free(fenc); | |
| 1022 fenc = (char_u *)""; | |
| 1023 fenc_alloced = FALSE; | |
| 1024 } | |
| 1025 else | |
| 1026 { | |
| 1027 if (fenc_alloced) | |
| 1028 vim_free(fenc); | |
| 1029 if (fenc_next != NULL) | |
| 1030 { | |
| 1031 fenc = next_fenc(&fenc_next); | |
| 1032 fenc_alloced = (fenc_next != NULL); | |
| 1033 } | |
| 1034 else | |
| 1035 { | |
| 1036 fenc = (char_u *)""; | |
| 1037 fenc_alloced = FALSE; | |
| 1038 } | |
| 1039 } | |
| 1040 if (tmpname != NULL) | |
| 1041 { | |
| 1042 mch_remove(tmpname); /* delete converted file */ | |
| 1043 vim_free(tmpname); | |
| 1044 tmpname = NULL; | |
| 1045 } | |
| 1046 } | |
| 1047 | |
| 1048 /* | |
| 1948 | 1049 * Conversion may be required when the encoding of the file is different |
| 1050 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1051 */ |
| 1052 fio_flags = 0; | |
| 1948 | 1053 converted = need_conversion(fenc); |
| 1054 if (converted) | |
| 7 | 1055 { |
| 1056 | |
| 1057 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1058 * for a BOM. */ | |
| 1059 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1060 fio_flags = FIO_UCSBOM; | |
| 1061 | |
| 1062 /* | |
| 1063 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1064 * done. This is handled below after read(). Prepare the | |
| 1065 * fio_flags to avoid having to parse the string each time. | |
| 1066 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1067 * appears not to handle this correctly. This works just like | |
| 1068 * conversion to UTF-8 except how the resulting character is put in | |
| 1069 * the buffer. | |
| 1070 */ | |
| 1071 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1072 fio_flags = get_fio_flags(fenc); | |
| 1073 | |
| 1074 # ifdef WIN3264 | |
| 1075 /* | |
| 1076 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1077 * is handled with MultiByteToWideChar(). | |
| 1078 */ | |
| 1079 if (fio_flags == 0) | |
| 1080 fio_flags = get_win_fio_flags(fenc); | |
| 1081 # endif | |
| 1082 | |
| 1083 # ifdef MACOS_X | |
| 1084 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1085 if (fio_flags == 0) | |
| 1086 fio_flags = get_mac_fio_flags(fenc); | |
| 1087 # endif | |
| 1088 | |
| 1089 # ifdef USE_ICONV | |
| 1090 /* | |
| 1091 * Try using iconv() if we can't convert internally. | |
| 1092 */ | |
| 1093 if (fio_flags == 0 | |
| 1094 # ifdef FEAT_EVAL | |
| 1095 && !did_iconv | |
| 1096 # endif | |
| 1097 ) | |
| 1098 iconv_fd = (iconv_t)my_iconv_open( | |
| 1099 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1100 # endif | |
| 1101 | |
| 1102 # ifdef FEAT_EVAL | |
| 1103 /* | |
| 1104 * Use the 'charconvert' expression when conversion is required | |
| 1105 * and we can't do it internally or with iconv(). | |
| 1106 */ | |
| 1107 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1108 # ifdef USE_ICONV | |
| 1109 && iconv_fd == (iconv_t)-1 | |
| 1110 # endif | |
| 1111 ) | |
| 1112 { | |
| 1113 # ifdef USE_ICONV | |
| 1114 did_iconv = FALSE; | |
| 1115 # endif | |
| 1116 /* Skip conversion when it's already done (retry for wrong | |
| 1117 * "fileformat"). */ | |
| 1118 if (tmpname == NULL) | |
| 1119 { | |
| 1120 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1121 if (tmpname == NULL) | |
| 1122 { | |
| 1123 /* Conversion failed. Try another one. */ | |
| 1124 advance_fenc = TRUE; | |
| 1125 if (fd < 0) | |
| 1126 { | |
| 1127 /* Re-opening the original file failed! */ | |
| 1128 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1129 error = TRUE; | |
| 1130 goto failed; | |
| 1131 } | |
| 1132 goto retry; | |
| 1133 } | |
| 1134 } | |
| 1135 } | |
| 1136 else | |
| 1137 # endif | |
| 1138 { | |
| 1139 if (fio_flags == 0 | |
| 1140 # ifdef USE_ICONV | |
| 1141 && iconv_fd == (iconv_t)-1 | |
| 1142 # endif | |
| 1143 ) | |
| 1144 { | |
| 1145 /* Conversion wanted but we can't. | |
| 1146 * Try the next conversion in 'fileencodings' */ | |
| 1147 advance_fenc = TRUE; | |
| 1148 goto retry; | |
| 1149 } | |
| 1150 } | |
| 1151 } | |
| 1152 | |
| 595 | 1153 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1154 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1155 * stdin or fixed at a specific encoding. */ |
| 1156 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1157 #endif |
| 1158 | |
| 1159 if (!skip_read) | |
| 1160 { | |
| 1161 linerest = 0; | |
| 1162 filesize = 0; | |
| 1163 skip_count = lines_to_skip; | |
| 1164 read_count = lines_to_read; | |
| 1165 #ifdef FEAT_MBYTE | |
| 1166 conv_restlen = 0; | |
| 1167 #endif | |
| 1168 } | |
| 1169 | |
| 1170 while (!error && !got_int) | |
| 1171 { | |
| 1172 /* | |
| 1173 * We allocate as much space for the file as we can get, plus | |
| 1174 * space for the old line plus room for one terminating NUL. | |
| 1175 * The amount is limited by the fact that read() only can read | |
| 1176 * upto max_unsigned characters (and other things). | |
| 1177 */ | |
| 1178 #if SIZEOF_INT <= 2 | |
| 1179 if (linerest >= 0x7ff0) | |
| 1180 { | |
| 1181 ++split; | |
| 1182 *ptr = NL; /* split line by inserting a NL */ | |
| 1183 size = 1; | |
| 1184 } | |
| 1185 else | |
| 1186 #endif | |
| 1187 { | |
| 1188 if (!skip_read) | |
| 1189 { | |
| 1190 #if SIZEOF_INT > 2 | |
| 1076 | 1191 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1192 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1193 # else | |
| 1194 size = 0x10000L; /* use buffer >= 64K */ | |
| 1195 # endif | |
| 1196 #else | |
| 1197 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1198 #endif | |
| 1199 | |
| 836 | 1200 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1201 { |
| 1202 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1203 FALSE)) != NULL) | |
| 1204 break; | |
| 1205 } | |
| 1206 if (new_buffer == NULL) | |
| 1207 { | |
| 1208 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1209 error = TRUE; | |
| 1210 break; | |
| 1211 } | |
| 1212 if (linerest) /* copy characters from the previous buffer */ | |
| 1213 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1214 vim_free(buffer); | |
| 1215 buffer = new_buffer; | |
| 1216 ptr = buffer + linerest; | |
| 1217 line_start = buffer; | |
| 1218 | |
| 1219 #ifdef FEAT_MBYTE | |
| 1220 /* May need room to translate into. | |
| 1221 * For iconv() we don't really know the required space, use a | |
| 1222 * factor ICONV_MULT. | |
| 1223 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1224 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1225 * become up to 4 bytes, size must be multiple of 2 | |
| 1226 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1227 * multiple of 2 | |
| 1228 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1229 * multiple of 4 */ | |
| 835 | 1230 real_size = (int)size; |
| 7 | 1231 # ifdef USE_ICONV |
| 1232 if (iconv_fd != (iconv_t)-1) | |
| 1233 size = size / ICONV_MULT; | |
| 1234 else | |
| 1235 # endif | |
| 1236 if (fio_flags & FIO_LATIN1) | |
| 1237 size = size / 2; | |
| 1238 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1239 size = (size * 2 / 3) & ~1; | |
| 1240 else if (fio_flags & FIO_UCS4) | |
| 1241 size = (size * 2 / 3) & ~3; | |
| 1242 else if (fio_flags == FIO_UCSBOM) | |
| 1243 size = size / ICONV_MULT; /* worst case */ | |
| 1244 # ifdef WIN3264 | |
| 1245 else if (fio_flags & FIO_CODEPAGE) | |
| 1246 size = size / ICONV_MULT; /* also worst case */ | |
| 1247 # endif | |
| 1248 # ifdef MACOS_X | |
| 1249 else if (fio_flags & FIO_MACROMAN) | |
| 1250 size = size / ICONV_MULT; /* also worst case */ | |
| 1251 # endif | |
| 1252 #endif | |
| 1253 | |
| 1254 #ifdef FEAT_MBYTE | |
| 1255 if (conv_restlen > 0) | |
| 1256 { | |
| 1257 /* Insert unconverted bytes from previous line. */ | |
| 1258 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1259 ptr += conv_restlen; | |
| 1260 size -= conv_restlen; | |
| 1261 } | |
| 1262 #endif | |
| 1263 | |
| 1264 if (read_buffer) | |
| 1265 { | |
| 1266 /* | |
| 1267 * Read bytes from curbuf. Used for converting text read | |
| 1268 * from stdin. | |
| 1269 */ | |
| 1270 if (read_buf_lnum > from) | |
| 1271 size = 0; | |
| 1272 else | |
| 1273 { | |
| 1274 int n, ni; | |
| 1275 long tlen; | |
| 1276 | |
| 1277 tlen = 0; | |
| 1278 for (;;) | |
| 1279 { | |
| 1280 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1281 n = (int)STRLEN(p); | |
| 1282 if ((int)tlen + n + 1 > size) | |
| 1283 { | |
| 1284 /* Filled up to "size", append partial line. | |
| 1285 * Change NL to NUL to reverse the effect done | |
| 1286 * below. */ | |
| 835 | 1287 n = (int)(size - tlen); |
| 7 | 1288 for (ni = 0; ni < n; ++ni) |
| 1289 { | |
| 1290 if (p[ni] == NL) | |
| 1291 ptr[tlen++] = NUL; | |
| 1292 else | |
| 1293 ptr[tlen++] = p[ni]; | |
| 1294 } | |
| 1295 read_buf_col += n; | |
| 1296 break; | |
| 1297 } | |
| 1298 else | |
| 1299 { | |
| 1300 /* Append whole line and new-line. Change NL | |
| 1301 * to NUL to reverse the effect done below. */ | |
| 1302 for (ni = 0; ni < n; ++ni) | |
| 1303 { | |
| 1304 if (p[ni] == NL) | |
| 1305 ptr[tlen++] = NUL; | |
| 1306 else | |
| 1307 ptr[tlen++] = p[ni]; | |
| 1308 } | |
| 1309 ptr[tlen++] = NL; | |
| 1310 read_buf_col = 0; | |
| 1311 if (++read_buf_lnum > from) | |
| 1312 { | |
| 1313 /* When the last line didn't have an | |
| 1314 * end-of-line don't add it now either. */ | |
| 1315 if (!curbuf->b_p_eol) | |
| 1316 --tlen; | |
| 1317 size = tlen; | |
| 1318 break; | |
| 1319 } | |
| 1320 } | |
| 1321 } | |
| 1322 } | |
| 1323 } | |
| 1324 else | |
| 1325 { | |
| 1326 /* | |
| 1327 * Read bytes from the file. | |
| 1328 */ | |
| 1329 size = vim_read(fd, ptr, size); | |
| 1330 } | |
| 1331 | |
| 1332 if (size <= 0) | |
| 1333 { | |
| 1334 if (size < 0) /* read error */ | |
| 1335 error = TRUE; | |
| 1336 #ifdef FEAT_MBYTE | |
| 1337 else if (conv_restlen > 0) | |
| 595 | 1338 { |
| 1597 | 1339 /* |
| 1340 * Reached end-of-file but some trailing bytes could | |
| 1341 * not be converted. Truncated file? | |
| 1342 */ | |
| 1343 | |
| 1344 /* When we did a conversion report an error. */ | |
| 1345 if (fio_flags != 0 | |
| 1346 # ifdef USE_ICONV | |
| 1347 || iconv_fd != (iconv_t)-1 | |
| 1348 # endif | |
| 1349 ) | |
| 1350 { | |
| 1351 if (conv_error == 0) | |
| 1352 conv_error = curbuf->b_ml.ml_line_count | |
| 1353 - linecnt + 1; | |
| 1354 } | |
| 1355 /* Remember the first linenr with an illegal byte */ | |
| 1356 else if (illegal_byte == 0) | |
| 1357 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1358 - linecnt + 1; | |
| 1359 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1360 { |
| 1597 | 1361 *(ptr - conv_restlen) = NUL; |
| 1362 conv_restlen = 0; | |
| 1363 } | |
| 1364 else | |
| 1365 { | |
| 1366 /* Replace the trailing bytes with the replacement | |
| 1367 * character if we were converting; if we weren't, | |
| 1368 * leave the UTF8 checking code to do it, as it | |
| 1369 * works slightly differently. */ | |
| 1370 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1371 # ifdef USE_ICONV | |
| 1372 || iconv_fd != (iconv_t)-1 | |
| 1373 # endif | |
| 1374 )) | |
| 1375 { | |
| 1376 while (conv_restlen > 0) | |
| 1377 { | |
| 1378 *(--ptr) = bad_char_behavior; | |
| 1379 --conv_restlen; | |
| 1380 } | |
| 1381 } | |
| 595 | 1382 fio_flags = 0; /* don't convert this */ |
| 834 | 1383 # ifdef USE_ICONV |
| 1384 if (iconv_fd != (iconv_t)-1) | |
| 1385 { | |
| 1386 iconv_close(iconv_fd); | |
| 1387 iconv_fd = (iconv_t)-1; | |
| 1388 } | |
| 1389 # endif | |
| 595 | 1390 } |
| 1391 } | |
| 7 | 1392 #endif |
| 1393 } | |
| 1394 | |
| 1395 #ifdef FEAT_CRYPT | |
| 1396 /* | |
| 1397 * At start of file: Check for magic number of encryption. | |
| 1398 */ | |
| 1399 if (filesize == 0) | |
| 1400 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
| 1401 &filesize, newfile); | |
| 1402 /* | |
| 1403 * Decrypt the read bytes. | |
| 1404 */ | |
| 1405 if (cryptkey != NULL && size > 0) | |
| 1406 for (p = ptr; p < ptr + size; ++p) | |
| 1407 ZDECODE(*p); | |
| 1408 #endif | |
| 1409 } | |
| 1410 skip_read = FALSE; | |
| 1411 | |
| 1412 #ifdef FEAT_MBYTE | |
| 1413 /* | |
| 1414 * At start of file (or after crypt magic number): Check for BOM. | |
| 1415 * Also check for a BOM for other Unicode encodings, but not after | |
| 1416 * converting with 'charconvert' or when a BOM has already been | |
| 1417 * found. | |
| 1418 */ | |
| 1419 if ((filesize == 0 | |
| 1420 # ifdef FEAT_CRYPT | |
| 1421 || (filesize == CRYPT_MAGIC_LEN && cryptkey != NULL) | |
| 1422 # endif | |
| 1423 ) | |
| 1424 && (fio_flags == FIO_UCSBOM | |
| 1425 || (!curbuf->b_p_bomb | |
| 1426 && tmpname == NULL | |
| 1427 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1428 { | |
| 1429 char_u *ccname; | |
| 1430 int blen; | |
| 1431 | |
| 1432 /* no BOM detection in a short file or in binary mode */ | |
| 1433 if (size < 2 || curbuf->b_p_bin) | |
| 1434 ccname = NULL; | |
| 1435 else | |
| 1436 ccname = check_for_bom(ptr, size, &blen, | |
| 1437 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1438 if (ccname != NULL) | |
| 1439 { | |
| 1440 /* Remove BOM from the text */ | |
| 1441 filesize += blen; | |
| 1442 size -= blen; | |
| 1443 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1444 if (set_options) |
| 1352 | 1445 { |
| 7 | 1446 curbuf->b_p_bomb = TRUE; |
| 1352 | 1447 curbuf->b_start_bomb = TRUE; |
| 1448 } | |
| 7 | 1449 } |
| 1450 | |
| 1451 if (fio_flags == FIO_UCSBOM) | |
| 1452 { | |
| 1453 if (ccname == NULL) | |
| 1454 { | |
| 1455 /* No BOM detected: retry with next encoding. */ | |
| 1456 advance_fenc = TRUE; | |
| 1457 } | |
| 1458 else | |
| 1459 { | |
| 1460 /* BOM detected: set "fenc" and jump back */ | |
| 1461 if (fenc_alloced) | |
| 1462 vim_free(fenc); | |
| 1463 fenc = ccname; | |
| 1464 fenc_alloced = FALSE; | |
| 1465 } | |
| 1466 /* retry reading without getting new bytes or rewinding */ | |
| 1467 skip_read = TRUE; | |
| 1468 goto retry; | |
| 1469 } | |
| 1470 } | |
| 1597 | 1471 |
| 1472 /* Include not converted bytes. */ | |
| 1473 ptr -= conv_restlen; | |
| 1474 size += conv_restlen; | |
| 1475 conv_restlen = 0; | |
| 7 | 1476 #endif |
| 1477 /* | |
| 1478 * Break here for a read error or end-of-file. | |
| 1479 */ | |
| 1480 if (size <= 0) | |
| 1481 break; | |
| 1482 | |
| 1483 #ifdef FEAT_MBYTE | |
| 1484 | |
| 1485 # ifdef USE_ICONV | |
| 1486 if (iconv_fd != (iconv_t)-1) | |
| 1487 { | |
| 1488 /* | |
| 1489 * Attempt conversion of the read bytes to 'encoding' using | |
| 1490 * iconv(). | |
| 1491 */ | |
| 1492 const char *fromp; | |
| 1493 char *top; | |
| 1494 size_t from_size; | |
| 1495 size_t to_size; | |
| 1496 | |
| 1497 fromp = (char *)ptr; | |
| 1498 from_size = size; | |
| 1499 ptr += size; | |
| 1500 top = (char *)ptr; | |
| 1501 to_size = real_size - size; | |
| 1502 | |
| 1503 /* | |
| 1504 * If there is conversion error or not enough room try using | |
| 179 | 1505 * another conversion. Except for when there is no |
| 1506 * alternative (help files). | |
| 7 | 1507 */ |
| 177 | 1508 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1509 &top, &to_size) | |
| 7 | 1510 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1511 || from_size > CONV_RESTLEN) | |
| 177 | 1512 { |
| 595 | 1513 if (can_retry) |
| 375 | 1514 goto rewind_retry; |
| 595 | 1515 if (conv_error == 0) |
| 1516 conv_error = readfile_linenr(linecnt, | |
| 1517 ptr, (char_u *)top); | |
| 1518 | |
| 1519 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1520 ++fromp; |
| 1521 --from_size; | |
| 595 | 1522 if (bad_char_behavior == BAD_KEEP) |
| 1523 { | |
| 1524 *top++ = *(fromp - 1); | |
| 1525 --to_size; | |
| 1526 } | |
| 1527 else if (bad_char_behavior != BAD_DROP) | |
| 1528 { | |
| 1529 *top++ = bad_char_behavior; | |
| 1530 --to_size; | |
| 1531 } | |
| 177 | 1532 } |
| 7 | 1533 |
| 1534 if (from_size > 0) | |
| 1535 { | |
| 1536 /* Some remaining characters, keep them for the next | |
| 1537 * round. */ | |
| 1538 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1539 conv_restlen = (int)from_size; | |
| 1540 } | |
| 1541 | |
| 1542 /* move the linerest to before the converted characters */ | |
| 1543 line_start = ptr - linerest; | |
| 1544 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1545 size = (long)((char_u *)top - ptr); | |
| 1546 } | |
| 1547 # endif | |
| 1548 | |
| 1549 # ifdef WIN3264 | |
| 1550 if (fio_flags & FIO_CODEPAGE) | |
| 1551 { | |
| 595 | 1552 char_u *src, *dst; |
| 1553 WCHAR ucs2buf[3]; | |
| 1554 int ucs2len; | |
| 1555 int codepage = FIO_GET_CP(fio_flags); | |
| 1556 int bytelen; | |
| 1557 int found_bad; | |
| 1558 char replstr[2]; | |
| 1559 | |
| 7 | 1560 /* |
| 1561 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1562 * a codepage, using standard MS-Windows functions. This |
| 1563 * requires two steps: | |
| 1564 * 1. convert from 'fileencoding' to ucs-2 | |
| 1565 * 2. convert from ucs-2 to 'encoding' | |
| 1566 * | |
| 1567 * Because there may be illegal bytes AND an incomplete byte | |
| 1568 * sequence at the end, we may have to do the conversion one | |
| 1569 * character at a time to get it right. | |
| 7 | 1570 */ |
| 595 | 1571 |
| 1572 /* Replacement string for WideCharToMultiByte(). */ | |
| 1573 if (bad_char_behavior > 0) | |
| 1574 replstr[0] = bad_char_behavior; | |
| 1575 else | |
| 1576 replstr[0] = '?'; | |
| 1577 replstr[1] = NUL; | |
| 1578 | |
| 1579 /* | |
| 1580 * Move the bytes to the end of the buffer, so that we have | |
| 1581 * room to put the result at the start. | |
| 1582 */ | |
| 1583 src = ptr + real_size - size; | |
| 1584 mch_memmove(src, ptr, size); | |
| 7 | 1585 |
| 1586 /* | |
| 595 | 1587 * Do the conversion. |
| 7 | 1588 */ |
| 595 | 1589 dst = ptr; |
| 1590 size = size; | |
| 1591 while (size > 0) | |
| 7 | 1592 { |
| 595 | 1593 found_bad = FALSE; |
| 7 | 1594 |
| 1595 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1596 if (codepage == CP_UTF8) |
| 7 | 1597 { |
| 595 | 1598 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1599 * trailing bytes properly. | |
| 1600 * Get one UTF-8 character from src. */ | |
| 835 | 1601 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1602 if (bytelen > size) |
| 1603 { | |
| 1604 /* Only got some bytes of a character. Normally | |
| 1605 * it's put in "conv_rest", but if it's too long | |
| 1606 * deal with it as if they were illegal bytes. */ | |
| 1607 if (bytelen <= CONV_RESTLEN) | |
| 1608 break; | |
| 1609 | |
| 1610 /* weird overlong byte sequence */ | |
| 1611 bytelen = size; | |
| 1612 found_bad = TRUE; | |
| 1613 } | |
| 1614 else | |
| 1615 { | |
| 799 | 1616 int u8c = utf_ptr2char(src); |
| 1617 | |
| 622 | 1618 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1619 found_bad = TRUE; |
| 1620 ucs2buf[0] = u8c; | |
| 1621 ucs2len = 1; | |
| 1622 } | |
| 7 | 1623 } |
| 595 | 1624 else |
| 7 | 1625 # endif |
| 595 | 1626 { |
| 1627 /* We don't know how long the byte sequence is, try | |
| 1628 * from one to three bytes. */ | |
| 1629 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1630 ++bytelen) | |
| 1631 { | |
| 1632 ucs2len = MultiByteToWideChar(codepage, | |
| 1633 MB_ERR_INVALID_CHARS, | |
| 1634 (LPCSTR)src, bytelen, | |
| 1635 ucs2buf, 3); | |
| 1636 if (ucs2len > 0) | |
| 1637 break; | |
| 1638 } | |
| 1639 if (ucs2len == 0) | |
| 1640 { | |
| 1641 /* If we have only one byte then it's probably an | |
| 1642 * incomplete byte sequence. Otherwise discard | |
| 1643 * one byte as a bad character. */ | |
| 1644 if (size == 1) | |
| 1645 break; | |
| 1646 found_bad = TRUE; | |
| 1647 bytelen = 1; | |
| 1648 } | |
| 1649 } | |
| 1650 | |
| 1651 if (!found_bad) | |
| 7 | 1652 { |
| 595 | 1653 int i; |
| 1654 | |
| 1655 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1656 if (enc_utf8) | |
| 1657 { | |
| 1658 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1659 for (i = 0; i < ucs2len; ++i) | |
| 1660 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1661 } | |
| 1662 else | |
| 1663 { | |
| 1664 BOOL bad = FALSE; | |
| 1665 int dstlen; | |
| 1666 | |
| 1667 /* From UCS-2 to "enc_codepage". If the | |
| 1668 * conversion uses the default character "?", | |
| 1669 * the data doesn't fit in this encoding. */ | |
| 1670 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1671 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1672 (LPSTR)dst, (int)(src - dst), |
| 595 | 1673 replstr, &bad); |
| 1674 if (bad) | |
| 1675 found_bad = TRUE; | |
| 1676 else | |
| 1677 dst += dstlen; | |
| 1678 } | |
| 7 | 1679 } |
| 595 | 1680 |
| 1681 if (found_bad) | |
| 1682 { | |
| 1683 /* Deal with bytes we can't convert. */ | |
| 1684 if (can_retry) | |
| 1685 goto rewind_retry; | |
| 1686 if (conv_error == 0) | |
| 1687 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1688 if (bad_char_behavior != BAD_DROP) | |
| 1689 { | |
| 1690 if (bad_char_behavior == BAD_KEEP) | |
| 1691 { | |
| 1692 mch_memmove(dst, src, bytelen); | |
| 1693 dst += bytelen; | |
| 1694 } | |
| 1695 else | |
| 1696 *dst++ = bad_char_behavior; | |
| 1697 } | |
| 1698 } | |
| 1699 | |
| 1700 src += bytelen; | |
| 1701 size -= bytelen; | |
| 7 | 1702 } |
| 595 | 1703 |
| 1704 if (size > 0) | |
| 7 | 1705 { |
| 595 | 1706 /* An incomplete byte sequence remaining. */ |
| 1707 mch_memmove(conv_rest, src, size); | |
| 1708 conv_restlen = size; | |
| 7 | 1709 } |
| 595 | 1710 |
| 1711 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1712 size = (long)(dst - ptr); |
| 7 | 1713 } |
| 1714 else | |
| 1715 # endif | |
| 765 | 1716 # ifdef MACOS_CONVERT |
| 7 | 1717 if (fio_flags & FIO_MACROMAN) |
| 1718 { | |
| 1719 /* | |
| 1720 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1721 * latin1. This is in os_mac_conv.c. |
| 7 | 1722 */ |
| 18 | 1723 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1724 goto rewind_retry; |
| 1725 } | |
| 1726 else | |
| 1727 # endif | |
| 1728 if (fio_flags != 0) | |
| 1729 { | |
| 1730 int u8c; | |
| 1731 char_u *dest; | |
| 1732 char_u *tail = NULL; | |
| 1733 | |
| 1734 /* | |
| 1735 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1736 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1737 * Go from end to start through the buffer, because the number | |
| 1738 * of bytes may increase. | |
| 1739 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1740 * to after the next character to convert. | |
| 1741 */ | |
| 1742 dest = ptr + real_size; | |
| 1743 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1744 { | |
| 1745 p = ptr + size; | |
| 1746 if (fio_flags == FIO_UTF8) | |
| 1747 { | |
| 1748 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1749 tail = ptr + size - 1; | |
| 1750 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1751 --tail; | |
| 1752 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1753 tail = NULL; | |
| 1754 else | |
| 1755 p = tail; | |
| 1756 } | |
| 1757 } | |
| 1758 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1759 { | |
| 1760 /* Check for a trailing byte */ | |
| 1761 p = ptr + (size & ~1); | |
| 1762 if (size & 1) | |
| 1763 tail = p; | |
| 1764 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1765 { | |
| 1766 /* Check for a trailing leading word */ | |
| 1767 if (fio_flags & FIO_ENDIAN_L) | |
| 1768 { | |
| 1769 u8c = (*--p << 8); | |
| 1770 u8c += *--p; | |
| 1771 } | |
| 1772 else | |
| 1773 { | |
| 1774 u8c = *--p; | |
| 1775 u8c += (*--p << 8); | |
| 1776 } | |
| 1777 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1778 tail = p; | |
| 1779 else | |
| 1780 p += 2; | |
| 1781 } | |
| 1782 } | |
| 1783 else /* FIO_UCS4 */ | |
| 1784 { | |
| 1785 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1786 p = ptr + (size & ~3); | |
| 1787 if (size & 3) | |
| 1788 tail = p; | |
| 1789 } | |
| 1790 | |
| 1791 /* If there is a trailing incomplete sequence move it to | |
| 1792 * conv_rest[]. */ | |
| 1793 if (tail != NULL) | |
| 1794 { | |
| 1795 conv_restlen = (int)((ptr + size) - tail); | |
| 1796 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1797 size -= conv_restlen; | |
| 1798 } | |
| 1799 | |
| 1800 | |
| 1801 while (p > ptr) | |
| 1802 { | |
| 1803 if (fio_flags & FIO_LATIN1) | |
| 1804 u8c = *--p; | |
| 1805 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1806 { | |
| 1807 if (fio_flags & FIO_ENDIAN_L) | |
| 1808 { | |
| 1809 u8c = (*--p << 8); | |
| 1810 u8c += *--p; | |
| 1811 } | |
| 1812 else | |
| 1813 { | |
| 1814 u8c = *--p; | |
| 1815 u8c += (*--p << 8); | |
| 1816 } | |
| 1817 if ((fio_flags & FIO_UTF16) | |
| 1818 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1819 { | |
| 1820 int u16c; | |
| 1821 | |
| 1822 if (p == ptr) | |
| 1823 { | |
| 1824 /* Missing leading word. */ | |
| 1825 if (can_retry) | |
| 1826 goto rewind_retry; | |
| 595 | 1827 if (conv_error == 0) |
| 1828 conv_error = readfile_linenr(linecnt, | |
| 1829 ptr, p); | |
| 1830 if (bad_char_behavior == BAD_DROP) | |
| 1831 continue; | |
| 1832 if (bad_char_behavior != BAD_KEEP) | |
| 1833 u8c = bad_char_behavior; | |
| 7 | 1834 } |
| 1835 | |
| 1836 /* found second word of double-word, get the first | |
| 1837 * word and compute the resulting character */ | |
| 1838 if (fio_flags & FIO_ENDIAN_L) | |
| 1839 { | |
| 1840 u16c = (*--p << 8); | |
| 1841 u16c += *--p; | |
| 1842 } | |
| 1843 else | |
| 1844 { | |
| 1845 u16c = *--p; | |
| 1846 u16c += (*--p << 8); | |
| 1847 } | |
| 595 | 1848 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1849 + (u8c & 0x3ff); | |
| 1850 | |
| 7 | 1851 /* Check if the word is indeed a leading word. */ |
| 1852 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1853 { | |
| 1854 if (can_retry) | |
| 1855 goto rewind_retry; | |
| 595 | 1856 if (conv_error == 0) |
| 1857 conv_error = readfile_linenr(linecnt, | |
| 1858 ptr, p); | |
| 1859 if (bad_char_behavior == BAD_DROP) | |
| 1860 continue; | |
| 1861 if (bad_char_behavior != BAD_KEEP) | |
| 1862 u8c = bad_char_behavior; | |
| 7 | 1863 } |
| 1864 } | |
| 1865 } | |
| 1866 else if (fio_flags & FIO_UCS4) | |
| 1867 { | |
| 1868 if (fio_flags & FIO_ENDIAN_L) | |
| 1869 { | |
| 1870 u8c = (*--p << 24); | |
| 1871 u8c += (*--p << 16); | |
| 1872 u8c += (*--p << 8); | |
| 1873 u8c += *--p; | |
| 1874 } | |
| 1875 else /* big endian */ | |
| 1876 { | |
| 1877 u8c = *--p; | |
| 1878 u8c += (*--p << 8); | |
| 1879 u8c += (*--p << 16); | |
| 1880 u8c += (*--p << 24); | |
| 1881 } | |
| 1882 } | |
| 1883 else /* UTF-8 */ | |
| 1884 { | |
| 1885 if (*--p < 0x80) | |
| 1886 u8c = *p; | |
| 1887 else | |
| 1888 { | |
| 1889 len = utf_head_off(ptr, p); | |
| 595 | 1890 p -= len; |
| 1891 u8c = utf_ptr2char(p); | |
| 7 | 1892 if (len == 0) |
| 1893 { | |
| 1894 /* Not a valid UTF-8 character, retry with | |
| 1895 * another fenc when possible, otherwise just | |
| 1896 * report the error. */ | |
| 1897 if (can_retry) | |
| 1898 goto rewind_retry; | |
| 595 | 1899 if (conv_error == 0) |
| 1900 conv_error = readfile_linenr(linecnt, | |
| 1901 ptr, p); | |
| 1902 if (bad_char_behavior == BAD_DROP) | |
| 1903 continue; | |
| 1904 if (bad_char_behavior != BAD_KEEP) | |
| 1905 u8c = bad_char_behavior; | |
| 7 | 1906 } |
| 1907 } | |
| 1908 } | |
| 1909 if (enc_utf8) /* produce UTF-8 */ | |
| 1910 { | |
| 1911 dest -= utf_char2len(u8c); | |
| 1912 (void)utf_char2bytes(u8c, dest); | |
| 1913 } | |
| 1914 else /* produce Latin1 */ | |
| 1915 { | |
| 1916 --dest; | |
| 1917 if (u8c >= 0x100) | |
| 1918 { | |
| 1919 /* character doesn't fit in latin1, retry with | |
| 1920 * another fenc when possible, otherwise just | |
| 1921 * report the error. */ | |
| 595 | 1922 if (can_retry) |
| 7 | 1923 goto rewind_retry; |
| 595 | 1924 if (conv_error == 0) |
| 1925 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1926 if (bad_char_behavior == BAD_DROP) | |
| 1927 ++dest; | |
| 1928 else if (bad_char_behavior == BAD_KEEP) | |
| 1929 *dest = u8c; | |
| 1930 else if (eap != NULL && eap->bad_char != 0) | |
| 1931 *dest = bad_char_behavior; | |
| 1932 else | |
| 1933 *dest = 0xBF; | |
| 7 | 1934 } |
| 1935 else | |
| 1936 *dest = u8c; | |
| 1937 } | |
| 1938 } | |
| 1939 | |
| 1940 /* move the linerest to before the converted characters */ | |
| 1941 line_start = dest - linerest; | |
| 1942 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1943 size = (long)((ptr + real_size) - dest); | |
| 1944 ptr = dest; | |
| 1945 } | |
| 1597 | 1946 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1947 { | |
| 1948 int incomplete_tail = FALSE; | |
| 1949 | |
| 1950 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1951 for (p = ptr; ; ++p) | |
| 7 | 1952 { |
| 835 | 1953 int todo = (int)((ptr + size) - p); |
| 595 | 1954 int l; |
| 1955 | |
| 1956 if (todo <= 0) | |
| 1957 break; | |
| 7 | 1958 if (*p >= 0x80) |
| 1959 { | |
| 1960 /* A length of 1 means it's an illegal byte. Accept | |
| 1961 * an incomplete character at the end though, the next | |
| 1962 * read() will get the next bytes, we'll check it | |
| 1963 * then. */ | |
| 595 | 1964 l = utf_ptr2len_len(p, todo); |
| 1597 | 1965 if (l > todo && !incomplete_tail) |
| 7 | 1966 { |
| 1597 | 1967 /* Avoid retrying with a different encoding when |
| 1968 * a truncated file is more likely, or attempting | |
| 1969 * to read the rest of an incomplete sequence when | |
| 1970 * we have already done so. */ | |
| 1971 if (p > ptr || filesize > 0) | |
| 1972 incomplete_tail = TRUE; | |
| 1973 /* Incomplete byte sequence, move it to conv_rest[] | |
| 1974 * and try to read the rest of it, unless we've | |
| 1975 * already done so. */ | |
| 1976 if (p > ptr) | |
| 1977 { | |
| 1978 conv_restlen = todo; | |
| 1979 mch_memmove(conv_rest, p, conv_restlen); | |
| 1980 size -= conv_restlen; | |
| 1981 break; | |
| 1982 } | |
| 7 | 1983 } |
| 1597 | 1984 if (l == 1 || l > todo) |
| 595 | 1985 { |
| 1986 /* Illegal byte. If we can try another encoding | |
| 1597 | 1987 * do that, unless at EOF where a truncated |
| 1988 * file is more likely than a conversion error. */ | |
| 1989 if (can_retry && !incomplete_tail) | |
| 595 | 1990 break; |
| 1991 # ifdef USE_ICONV | |
| 1992 /* When we did a conversion report an error. */ | |
| 1993 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 1994 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1995 # endif | |
| 1597 | 1996 /* Remember the first linenr with an illegal byte */ |
| 1997 if (conv_error == 0 && illegal_byte == 0) | |
| 1998 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 1999 |
| 2000 /* Drop, keep or replace the bad byte. */ | |
| 2001 if (bad_char_behavior == BAD_DROP) | |
| 2002 { | |
| 1597 | 2003 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2004 --p; |
| 2005 --size; | |
| 2006 } | |
| 2007 else if (bad_char_behavior != BAD_KEEP) | |
| 2008 *p = bad_char_behavior; | |
| 2009 } | |
| 1597 | 2010 else |
| 2011 p += l - 1; | |
| 7 | 2012 } |
| 2013 } | |
| 1597 | 2014 if (p < ptr + size && !incomplete_tail) |
| 7 | 2015 { |
| 2016 /* Detected a UTF-8 error. */ | |
| 2017 rewind_retry: | |
| 595 | 2018 /* Retry reading with another conversion. */ |
| 7 | 2019 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2020 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2021 /* iconv() failed, try 'charconvert' */ | |
| 2022 did_iconv = TRUE; | |
| 7 | 2023 else |
| 2024 # endif | |
| 595 | 2025 /* use next item from 'fileencodings' */ |
| 2026 advance_fenc = TRUE; | |
| 2027 file_rewind = TRUE; | |
| 2028 goto retry; | |
| 7 | 2029 } |
| 2030 } | |
| 2031 #endif | |
| 2032 | |
| 2033 /* count the number of characters (after conversion!) */ | |
| 2034 filesize += size; | |
| 2035 | |
| 2036 /* | |
| 2037 * when reading the first part of a file: guess EOL type | |
| 2038 */ | |
| 2039 if (fileformat == EOL_UNKNOWN) | |
| 2040 { | |
| 2041 /* First try finding a NL, for Dos and Unix */ | |
| 2042 if (try_dos || try_unix) | |
| 2043 { | |
| 2044 for (p = ptr; p < ptr + size; ++p) | |
| 2045 { | |
| 2046 if (*p == NL) | |
| 2047 { | |
| 2048 if (!try_unix | |
| 2049 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2050 fileformat = EOL_DOS; | |
| 2051 else | |
| 2052 fileformat = EOL_UNIX; | |
| 2053 break; | |
| 2054 } | |
| 2055 } | |
| 2056 | |
| 2057 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2058 if (fileformat == EOL_UNIX && try_mac) | |
| 2059 { | |
| 2060 /* Need to reset the counters when retrying fenc. */ | |
| 2061 try_mac = 1; | |
| 2062 try_unix = 1; | |
| 2063 for (; p >= ptr && *p != CAR; p--) | |
| 2064 ; | |
| 2065 if (p >= ptr) | |
| 2066 { | |
| 2067 for (p = ptr; p < ptr + size; ++p) | |
| 2068 { | |
| 2069 if (*p == NL) | |
| 2070 try_unix++; | |
| 2071 else if (*p == CAR) | |
| 2072 try_mac++; | |
| 2073 } | |
| 2074 if (try_mac > try_unix) | |
| 2075 fileformat = EOL_MAC; | |
| 2076 } | |
| 2077 } | |
| 2078 } | |
| 2079 | |
| 2080 /* No NL found: may use Mac format */ | |
| 2081 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2082 fileformat = EOL_MAC; | |
| 2083 | |
| 2084 /* Still nothing found? Use first format in 'ffs' */ | |
| 2085 if (fileformat == EOL_UNKNOWN) | |
| 2086 fileformat = default_fileformat(); | |
| 2087 | |
| 2088 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2089 if (set_options) |
| 7 | 2090 set_fileformat(fileformat, OPT_LOCAL); |
| 2091 } | |
| 2092 } | |
| 2093 | |
| 2094 /* | |
| 2095 * This loop is executed once for every character read. | |
| 2096 * Keep it fast! | |
| 2097 */ | |
| 2098 if (fileformat == EOL_MAC) | |
| 2099 { | |
| 2100 --ptr; | |
| 2101 while (++ptr, --size >= 0) | |
| 2102 { | |
| 2103 /* catch most common case first */ | |
| 2104 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2105 continue; | |
| 2106 if (c == NUL) | |
| 2107 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2108 else if (c == NL) | |
| 2109 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2110 else | |
| 2111 { | |
| 2112 if (skip_count == 0) | |
| 2113 { | |
| 2114 *ptr = NUL; /* end of line */ | |
| 2115 len = (colnr_T) (ptr - line_start + 1); | |
| 2116 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2117 { | |
| 2118 error = TRUE; | |
| 2119 break; | |
| 2120 } | |
| 2121 ++lnum; | |
| 2122 if (--read_count == 0) | |
| 2123 { | |
| 2124 error = TRUE; /* break loop */ | |
| 2125 line_start = ptr; /* nothing left to write */ | |
| 2126 break; | |
| 2127 } | |
| 2128 } | |
| 2129 else | |
| 2130 --skip_count; | |
| 2131 line_start = ptr + 1; | |
| 2132 } | |
| 2133 } | |
| 2134 } | |
| 2135 else | |
| 2136 { | |
| 2137 --ptr; | |
| 2138 while (++ptr, --size >= 0) | |
| 2139 { | |
| 2140 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2141 continue; | |
| 2142 if (c == NUL) | |
| 2143 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2144 else | |
| 2145 { | |
| 2146 if (skip_count == 0) | |
| 2147 { | |
| 2148 *ptr = NUL; /* end of line */ | |
| 2149 len = (colnr_T)(ptr - line_start + 1); | |
| 2150 if (fileformat == EOL_DOS) | |
| 2151 { | |
| 2152 if (ptr[-1] == CAR) /* remove CR */ | |
| 2153 { | |
| 2154 ptr[-1] = NUL; | |
| 2155 --len; | |
| 2156 } | |
| 2157 /* | |
| 2158 * Reading in Dos format, but no CR-LF found! | |
| 2159 * When 'fileformats' includes "unix", delete all | |
| 2160 * the lines read so far and start all over again. | |
| 2161 * Otherwise give an error message later. | |
| 2162 */ | |
| 2163 else if (ff_error != EOL_DOS) | |
| 2164 { | |
| 2165 if ( try_unix | |
| 2166 && !read_stdin | |
| 2167 && (read_buffer | |
| 2168 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2169 { | |
| 2170 fileformat = EOL_UNIX; | |
| 819 | 2171 if (set_options) |
| 7 | 2172 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2173 file_rewind = TRUE; | |
| 2174 keep_fileformat = TRUE; | |
| 2175 goto retry; | |
| 2176 } | |
| 2177 ff_error = EOL_DOS; | |
| 2178 } | |
| 2179 } | |
| 2180 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2181 { | |
| 2182 error = TRUE; | |
| 2183 break; | |
| 2184 } | |
| 2185 ++lnum; | |
| 2186 if (--read_count == 0) | |
| 2187 { | |
| 2188 error = TRUE; /* break loop */ | |
| 2189 line_start = ptr; /* nothing left to write */ | |
| 2190 break; | |
| 2191 } | |
| 2192 } | |
| 2193 else | |
| 2194 --skip_count; | |
| 2195 line_start = ptr + 1; | |
| 2196 } | |
| 2197 } | |
| 2198 } | |
| 2199 linerest = (long)(ptr - line_start); | |
| 2200 ui_breakcheck(); | |
| 2201 } | |
| 2202 | |
| 2203 failed: | |
| 2204 /* not an error, max. number of lines reached */ | |
| 2205 if (error && read_count == 0) | |
| 2206 error = FALSE; | |
| 2207 | |
| 2208 /* | |
| 2209 * If we get EOF in the middle of a line, note the fact and | |
| 2210 * complete the line ourselves. | |
| 2211 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2212 */ | |
| 2213 if (!error | |
| 2214 && !got_int | |
| 2215 && linerest != 0 | |
| 2216 && !(!curbuf->b_p_bin | |
| 2217 && fileformat == EOL_DOS | |
| 2218 && *line_start == Ctrl_Z | |
| 2219 && ptr == line_start + 1)) | |
| 2220 { | |
| 819 | 2221 /* remember for when writing */ |
| 2222 if (set_options) | |
| 7 | 2223 curbuf->b_p_eol = FALSE; |
| 2224 *ptr = NUL; | |
| 2225 if (ml_append(lnum, line_start, | |
| 2226 (colnr_T)(ptr - line_start + 1), newfile) == FAIL) | |
| 2227 error = TRUE; | |
| 2228 else | |
| 2229 read_no_eol_lnum = ++lnum; | |
| 2230 } | |
| 2231 | |
| 819 | 2232 if (set_options) |
| 7 | 2233 save_file_ff(curbuf); /* remember the current file format */ |
| 2234 | |
| 2235 #ifdef FEAT_CRYPT | |
| 2236 if (cryptkey != curbuf->b_p_key) | |
| 2237 vim_free(cryptkey); | |
| 2238 #endif | |
| 2239 | |
| 2240 #ifdef FEAT_MBYTE | |
| 819 | 2241 /* If editing a new file: set 'fenc' for the current buffer. |
| 2242 * Also for ":read ++edit file". */ | |
| 2243 if (set_options) | |
| 7 | 2244 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2245 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2246 if (fenc_alloced) |
| 2247 vim_free(fenc); | |
| 2248 # ifdef USE_ICONV | |
| 2249 if (iconv_fd != (iconv_t)-1) | |
| 2250 { | |
| 2251 iconv_close(iconv_fd); | |
| 2252 iconv_fd = (iconv_t)-1; | |
| 2253 } | |
| 2254 # endif | |
| 2255 #endif | |
| 2256 | |
| 2257 if (!read_buffer && !read_stdin) | |
| 2258 close(fd); /* errors are ignored */ | |
| 2003 | 2259 #ifdef HAVE_FD_CLOEXEC |
| 2260 else | |
| 2261 { | |
| 2262 int fdflags = fcntl(fd, F_GETFD); | |
| 2263 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2264 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2265 } | |
| 2266 #endif | |
| 7 | 2267 vim_free(buffer); |
| 2268 | |
| 2269 #ifdef HAVE_DUP | |
| 2270 if (read_stdin) | |
| 2271 { | |
| 2272 /* Use stderr for stdin, makes shell commands work. */ | |
| 2273 close(0); | |
| 1757 | 2274 ignored = dup(2); |
| 7 | 2275 } |
| 2276 #endif | |
| 2277 | |
| 2278 #ifdef FEAT_MBYTE | |
| 2279 if (tmpname != NULL) | |
| 2280 { | |
| 2281 mch_remove(tmpname); /* delete converted file */ | |
| 2282 vim_free(tmpname); | |
| 2283 } | |
| 2284 #endif | |
| 2285 --no_wait_return; /* may wait for return now */ | |
| 2286 | |
| 2287 /* | |
| 2288 * In recovery mode everything but autocommands is skipped. | |
| 2289 */ | |
| 2290 if (!recoverymode) | |
| 2291 { | |
| 2292 /* need to delete the last line, which comes from the empty buffer */ | |
| 2293 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2294 { | |
| 2295 #ifdef FEAT_NETBEANS_INTG | |
| 2296 netbeansFireChanges = 0; | |
| 2297 #endif | |
| 2298 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2299 #ifdef FEAT_NETBEANS_INTG | |
| 2300 netbeansFireChanges = 1; | |
| 2301 #endif | |
| 2302 --linecnt; | |
| 2303 } | |
| 2304 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2305 if (filesize == 0) | |
| 2306 linecnt = 0; | |
| 2307 if (newfile || read_buffer) | |
| 1201 | 2308 { |
| 7 | 2309 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2310 #ifdef FEAT_DIFF |
| 2311 /* After reading the text into the buffer the diff info needs to | |
| 2312 * be updated. */ | |
| 2313 diff_invalidate(curbuf); | |
| 2314 #endif | |
| 2315 #ifdef FEAT_FOLDING | |
| 2316 /* All folds in the window are invalid now. Mark them for update | |
| 2317 * before triggering autocommands. */ | |
| 2318 foldUpdateAll(curwin); | |
| 2319 #endif | |
| 2320 } | |
| 7 | 2321 else if (linecnt) /* appended at least one line */ |
| 2322 appended_lines_mark(from, linecnt); | |
| 2323 | |
| 2324 #ifndef ALWAYS_USE_GUI | |
| 2325 /* | |
| 2326 * If we were reading from the same terminal as where messages go, | |
| 2327 * the screen will have been messed up. | |
| 2328 * Switch on raw mode now and clear the screen. | |
| 2329 */ | |
| 2330 if (read_stdin) | |
| 2331 { | |
| 2332 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2333 starttermcap(); | |
| 2334 screenclear(); | |
| 2335 } | |
| 2336 #endif | |
| 2337 | |
| 2338 if (got_int) | |
| 2339 { | |
| 2340 if (!(flags & READ_DUMMY)) | |
| 2341 { | |
| 2342 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2343 if (newfile) | |
| 2344 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2345 } | |
| 2346 msg_scroll = msg_save; | |
| 2347 #ifdef FEAT_VIMINFO | |
| 2348 check_marks_read(); | |
| 2349 #endif | |
| 2350 return OK; /* an interrupt isn't really an error */ | |
| 2351 } | |
| 2352 | |
| 2353 if (!filtering && !(flags & READ_DUMMY)) | |
| 2354 { | |
| 2355 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2356 c = FALSE; | |
| 2357 | |
| 2358 #ifdef UNIX | |
| 2359 # ifdef S_ISFIFO | |
| 2360 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2361 { | |
| 2362 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2363 c = TRUE; | |
| 2364 } | |
| 2365 # else | |
| 2366 # ifdef S_IFIFO | |
| 2367 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2368 { | |
| 2369 STRCAT(IObuff, _("[fifo]")); | |
| 2370 c = TRUE; | |
| 2371 } | |
| 2372 # endif | |
| 2373 # ifdef S_IFSOCK | |
| 2374 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2375 { | |
| 2376 STRCAT(IObuff, _("[socket]")); | |
| 2377 c = TRUE; | |
| 2378 } | |
| 2379 # endif | |
| 2380 # endif | |
| 1313 | 2381 # ifdef OPEN_CHR_FILES |
| 2382 if (S_ISCHR(perm)) /* or character special */ | |
| 2383 { | |
| 2384 STRCAT(IObuff, _("[character special]")); | |
| 2385 c = TRUE; | |
| 2386 } | |
| 2387 # endif | |
| 7 | 2388 #endif |
| 2389 if (curbuf->b_p_ro) | |
| 2390 { | |
| 2391 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2392 c = TRUE; | |
| 2393 } | |
| 2394 if (read_no_eol_lnum) | |
| 2395 { | |
| 2396 msg_add_eol(); | |
| 2397 c = TRUE; | |
| 2398 } | |
| 2399 if (ff_error == EOL_DOS) | |
| 2400 { | |
| 2401 STRCAT(IObuff, _("[CR missing]")); | |
| 2402 c = TRUE; | |
| 2403 } | |
| 2404 if (split) | |
| 2405 { | |
| 2406 STRCAT(IObuff, _("[long lines split]")); | |
| 2407 c = TRUE; | |
| 2408 } | |
| 2409 #ifdef FEAT_MBYTE | |
| 2410 if (notconverted) | |
| 2411 { | |
| 2412 STRCAT(IObuff, _("[NOT converted]")); | |
| 2413 c = TRUE; | |
| 2414 } | |
| 2415 else if (converted) | |
| 2416 { | |
| 2417 STRCAT(IObuff, _("[converted]")); | |
| 2418 c = TRUE; | |
| 2419 } | |
| 2420 #endif | |
| 2421 #ifdef FEAT_CRYPT | |
| 2422 if (cryptkey != NULL) | |
| 2423 { | |
| 2424 STRCAT(IObuff, _("[crypted]")); | |
| 2425 c = TRUE; | |
| 2426 } | |
| 2427 #endif | |
| 2428 #ifdef FEAT_MBYTE | |
| 595 | 2429 if (conv_error != 0) |
| 2430 { | |
| 2431 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2432 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2433 c = TRUE; |
| 2434 } | |
| 2435 else if (illegal_byte > 0) | |
| 2436 { | |
| 2437 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2438 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2439 c = TRUE; | |
| 2440 } | |
| 2441 else | |
| 2442 #endif | |
| 2443 if (error) | |
| 2444 { | |
| 2445 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2446 c = TRUE; | |
| 2447 } | |
| 2448 if (msg_add_fileformat(fileformat)) | |
| 2449 c = TRUE; | |
| 2450 #ifdef FEAT_CRYPT | |
| 2451 if (cryptkey != NULL) | |
| 2452 msg_add_lines(c, (long)linecnt, filesize - CRYPT_MAGIC_LEN); | |
| 2453 else | |
| 2454 #endif | |
| 2455 msg_add_lines(c, (long)linecnt, filesize); | |
| 2456 | |
| 2457 vim_free(keep_msg); | |
| 2458 keep_msg = NULL; | |
| 2459 msg_scrolled_ign = TRUE; | |
| 2460 #ifdef ALWAYS_USE_GUI | |
| 2461 /* Don't show the message when reading stdin, it would end up in a | |
| 2462 * message box (which might be shown when exiting!) */ | |
| 2463 if (read_stdin || read_buffer) | |
| 2464 p = msg_may_trunc(FALSE, IObuff); | |
| 2465 else | |
| 2466 #endif | |
| 2467 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2468 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2469 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2470 /* Need to repeat the message after redrawing when: |
| 2471 * - When reading from stdin (the screen will be cleared next). | |
| 2472 * - When restart_edit is set (otherwise there will be a delay | |
| 2473 * before redrawing). | |
| 2474 * - When the screen was scrolled but there is no wait-return | |
| 2475 * prompt. */ | |
| 679 | 2476 set_keep_msg(p, 0); |
| 7 | 2477 msg_scrolled_ign = FALSE; |
| 2478 } | |
| 2479 | |
| 2480 /* with errors writing the file requires ":w!" */ | |
| 2481 if (newfile && (error | |
| 2482 #ifdef FEAT_MBYTE | |
| 595 | 2483 || conv_error != 0 |
| 679 | 2484 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2485 #endif |
| 2486 )) | |
| 2487 curbuf->b_p_ro = TRUE; | |
| 2488 | |
| 2489 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2490 | |
| 2491 /* | |
| 2492 * In Ex mode: cursor at last new line. | |
| 2493 * Otherwise: cursor at first new line. | |
| 2494 */ | |
| 2495 if (exmode_active) | |
| 2496 curwin->w_cursor.lnum = from + linecnt; | |
| 2497 else | |
| 2498 curwin->w_cursor.lnum = from + 1; | |
| 2499 check_cursor_lnum(); | |
| 2500 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2501 | |
| 2502 /* | |
| 2503 * Set '[ and '] marks to the newly read lines. | |
| 2504 */ | |
| 2505 curbuf->b_op_start.lnum = from + 1; | |
| 2506 curbuf->b_op_start.col = 0; | |
| 2507 curbuf->b_op_end.lnum = from + linecnt; | |
| 2508 curbuf->b_op_end.col = 0; | |
| 696 | 2509 |
| 2510 #ifdef WIN32 | |
| 2511 /* | |
| 2512 * Work around a weird problem: When a file has two links (only | |
| 2513 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2514 * through the other link, the timestamp information may be wrong. |
| 696 | 2515 * It's correct again after reading the file, thus reset the timestamp |
| 2516 * here. | |
| 2517 */ | |
| 2518 if (newfile && !read_stdin && !read_buffer | |
| 2519 && mch_stat((char *)fname, &st) >= 0) | |
| 2520 { | |
| 2521 buf_store_time(curbuf, &st, fname); | |
| 2522 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2523 } | |
| 2524 #endif | |
| 7 | 2525 } |
| 2526 msg_scroll = msg_save; | |
| 2527 | |
| 2528 #ifdef FEAT_VIMINFO | |
| 2529 /* | |
| 2530 * Get the marks before executing autocommands, so they can be used there. | |
| 2531 */ | |
| 2532 check_marks_read(); | |
| 2533 #endif | |
| 2534 | |
| 2535 /* | |
| 2536 * Trick: We remember if the last line of the read didn't have | |
| 2537 * an eol for when writing it again. This is required for | |
| 2538 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
| 2539 */ | |
| 2540 write_no_eol_lnum = read_no_eol_lnum; | |
| 2541 | |
| 167 | 2542 #ifdef FEAT_AUTOCMD |
| 7 | 2543 if (!read_stdin && !read_buffer) |
| 2544 { | |
| 2545 int m = msg_scroll; | |
| 2546 int n = msg_scrolled; | |
| 2547 | |
| 2548 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2549 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2550 if (set_options) |
| 7 | 2551 save_file_ff(curbuf); |
| 2552 | |
| 2553 /* | |
| 2554 * The output from the autocommands should not overwrite anything and | |
| 2555 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2556 * output was done. | |
| 2557 */ | |
| 2558 msg_scroll = TRUE; | |
| 2559 if (filtering) | |
| 2560 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2561 FALSE, curbuf, eap); | |
| 2562 else if (newfile) | |
| 2563 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2564 FALSE, curbuf, eap); | |
| 2565 else | |
| 2566 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2567 FALSE, NULL, eap); | |
| 2568 if (msg_scrolled == n) | |
| 2569 msg_scroll = m; | |
| 2570 #ifdef FEAT_EVAL | |
| 2571 if (aborting()) /* autocmds may abort script processing */ | |
| 2572 return FAIL; | |
| 2573 #endif | |
| 2574 } | |
| 2575 #endif | |
| 2576 | |
| 2577 if (recoverymode && error) | |
| 2578 return FAIL; | |
| 2579 return OK; | |
| 2580 } | |
| 2581 | |
| 1313 | 2582 #ifdef OPEN_CHR_FILES |
| 2583 /* | |
| 2584 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2585 * which is the name of files used for process substitution output by | |
| 2586 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2587 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2588 */ | |
| 2589 static int | |
| 2590 is_dev_fd_file(fname) | |
| 2591 char_u *fname; | |
| 2592 { | |
| 2593 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2594 && VIM_ISDIGIT(fname[8]) | |
| 2595 && *skipdigits(fname + 9) == NUL | |
| 2596 && (fname[9] != NUL | |
| 2597 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2598 } | |
| 2599 #endif | |
| 2600 | |
| 595 | 2601 #ifdef FEAT_MBYTE |
| 2602 | |
| 2603 /* | |
| 2604 * From the current line count and characters read after that, estimate the | |
| 2605 * line number where we are now. | |
| 2606 * Used for error messages that include a line number. | |
| 2607 */ | |
| 2608 static linenr_T | |
| 2609 readfile_linenr(linecnt, p, endp) | |
| 2610 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2611 char_u *p; /* start of more bytes read */ | |
| 2612 char_u *endp; /* end of more bytes read */ | |
| 2613 { | |
| 2614 char_u *s; | |
| 2615 linenr_T lnum; | |
| 2616 | |
| 2617 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2618 for (s = p; s < endp; ++s) | |
| 2619 if (*s == '\n') | |
| 2620 ++lnum; | |
| 2621 return lnum; | |
| 2622 } | |
| 2623 #endif | |
| 2624 | |
| 7 | 2625 /* |
| 612 | 2626 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2627 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2628 * Returns OK or FAIL. |
| 2629 */ | |
| 2630 int | |
| 2631 prep_exarg(eap, buf) | |
| 2632 exarg_T *eap; | |
| 2633 buf_T *buf; | |
| 2634 { | |
| 2635 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2636 #ifdef FEAT_MBYTE | |
| 2637 + STRLEN(buf->b_p_fenc) | |
| 2638 #endif | |
| 2639 + 15)); | |
| 2640 if (eap->cmd == NULL) | |
| 2641 return FAIL; | |
| 2642 | |
| 2643 #ifdef FEAT_MBYTE | |
| 2644 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2645 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2646 eap->bad_char = buf->b_bad_char; |
| 7 | 2647 #else |
| 2648 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2649 #endif | |
| 2650 eap->force_ff = 7; | |
| 612 | 2651 |
| 2652 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2653 eap->read_edit = FALSE; |
| 612 | 2654 eap->forceit = FALSE; |
| 7 | 2655 return OK; |
| 2656 } | |
| 2657 | |
| 2658 #ifdef FEAT_MBYTE | |
| 2659 /* | |
| 2660 * Find next fileencoding to use from 'fileencodings'. | |
| 2661 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2662 * When there are no more items, an empty string is returned and *pp is set to | |
| 2663 * NULL. | |
| 2664 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2665 */ | |
| 2666 static char_u * | |
| 2667 next_fenc(pp) | |
| 2668 char_u **pp; | |
| 2669 { | |
| 2670 char_u *p; | |
| 2671 char_u *r; | |
| 2672 | |
| 2673 if (**pp == NUL) | |
| 2674 { | |
| 2675 *pp = NULL; | |
| 2676 return (char_u *)""; | |
| 2677 } | |
| 2678 p = vim_strchr(*pp, ','); | |
| 2679 if (p == NULL) | |
| 2680 { | |
| 2681 r = enc_canonize(*pp); | |
| 2682 *pp += STRLEN(*pp); | |
| 2683 } | |
| 2684 else | |
| 2685 { | |
| 2686 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2687 *pp = p + 1; | |
| 2688 if (r != NULL) | |
| 2689 { | |
| 2690 p = enc_canonize(r); | |
| 2691 vim_free(r); | |
| 2692 r = p; | |
| 2693 } | |
| 2694 } | |
| 2695 if (r == NULL) /* out of memory */ | |
| 2696 { | |
| 2697 r = (char_u *)""; | |
| 2698 *pp = NULL; | |
| 2699 } | |
| 2700 return r; | |
| 2701 } | |
| 2702 | |
| 2703 # ifdef FEAT_EVAL | |
| 2704 /* | |
| 2705 * Convert a file with the 'charconvert' expression. | |
| 2706 * This closes the file which is to be read, converts it and opens the | |
| 2707 * resulting file for reading. | |
| 2708 * Returns name of the resulting converted file (the caller should delete it | |
| 2709 * after reading it). | |
| 2710 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2711 */ | |
| 2712 static char_u * | |
| 2713 readfile_charconvert(fname, fenc, fdp) | |
| 2714 char_u *fname; /* name of input file */ | |
| 2715 char_u *fenc; /* converted from */ | |
| 2716 int *fdp; /* in/out: file descriptor of file */ | |
| 2717 { | |
| 2718 char_u *tmpname; | |
| 2719 char_u *errmsg = NULL; | |
| 2720 | |
| 2721 tmpname = vim_tempname('r'); | |
| 2722 if (tmpname == NULL) | |
| 2723 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2724 else | |
| 2725 { | |
| 2726 close(*fdp); /* close the input file, ignore errors */ | |
| 2727 *fdp = -1; | |
| 2728 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2729 fname, tmpname) == FAIL) | |
| 2730 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2731 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2732 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2733 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2734 } | |
| 2735 | |
| 2736 if (errmsg != NULL) | |
| 2737 { | |
| 2738 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2739 * another type of conversion might still work. */ | |
| 2740 MSG(errmsg); | |
| 2741 if (tmpname != NULL) | |
| 2742 { | |
| 2743 mch_remove(tmpname); /* delete converted file */ | |
| 2744 vim_free(tmpname); | |
| 2745 tmpname = NULL; | |
| 2746 } | |
| 2747 } | |
| 2748 | |
| 2749 /* If the input file is closed, open it (caller should check for error). */ | |
| 2750 if (*fdp < 0) | |
| 2751 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2752 | |
| 2753 return tmpname; | |
| 2754 } | |
| 2755 # endif | |
| 2756 | |
| 2757 #endif | |
| 2758 | |
| 2759 #ifdef FEAT_VIMINFO | |
| 2760 /* | |
| 2761 * Read marks for the current buffer from the viminfo file, when we support | |
| 2762 * buffer marks and the buffer has a name. | |
| 2763 */ | |
| 2764 static void | |
| 2765 check_marks_read() | |
| 2766 { | |
| 2767 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2768 && curbuf->b_ffname != NULL) | |
| 1733 | 2769 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2770 |
| 2771 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2772 * the ' parameter after opening a buffer. */ | |
| 2773 curbuf->b_marks_read = TRUE; | |
| 2774 } | |
| 2775 #endif | |
| 2776 | |
| 2777 #ifdef FEAT_CRYPT | |
| 2778 /* | |
| 2779 * Check for magic number used for encryption. | |
| 2780 * If found, the magic number is removed from ptr[*sizep] and *sizep and | |
| 2781 * *filesizep are updated. | |
| 2782 * Return the (new) encryption key, NULL for no encryption. | |
| 2783 */ | |
| 2784 static char_u * | |
| 2785 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile) | |
| 2786 char_u *cryptkey; /* previous encryption key or NULL */ | |
| 2787 char_u *ptr; /* pointer to read bytes */ | |
| 2788 long *sizep; /* length of read bytes */ | |
| 2789 long *filesizep; /* nr of bytes used from file */ | |
| 2790 int newfile; /* editing a new buffer */ | |
| 2791 { | |
| 2792 if (*sizep >= CRYPT_MAGIC_LEN | |
| 2793 && STRNCMP(ptr, CRYPT_MAGIC, CRYPT_MAGIC_LEN) == 0) | |
| 2794 { | |
| 2795 if (cryptkey == NULL) | |
| 2796 { | |
| 2797 if (*curbuf->b_p_key) | |
| 2798 cryptkey = curbuf->b_p_key; | |
| 2799 else | |
| 2800 { | |
| 2801 /* When newfile is TRUE, store the typed key | |
| 2802 * in the 'key' option and don't free it. */ | |
| 2803 cryptkey = get_crypt_key(newfile, FALSE); | |
| 2804 /* check if empty key entered */ | |
| 2805 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2806 { | |
| 2807 if (cryptkey != curbuf->b_p_key) | |
| 2808 vim_free(cryptkey); | |
| 2809 cryptkey = NULL; | |
| 2810 } | |
| 2811 } | |
| 2812 } | |
| 2813 | |
| 2814 if (cryptkey != NULL) | |
| 2815 { | |
| 2816 crypt_init_keys(cryptkey); | |
| 2817 | |
| 2818 /* Remove magic number from the text */ | |
| 2819 *filesizep += CRYPT_MAGIC_LEN; | |
| 2820 *sizep -= CRYPT_MAGIC_LEN; | |
| 2821 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN, (size_t)*sizep); | |
| 2822 } | |
| 2823 } | |
| 2824 /* When starting to edit a new file which does not have | |
| 2825 * encryption, clear the 'key' option, except when | |
| 2826 * starting up (called with -x argument) */ | |
| 2827 else if (newfile && *curbuf->b_p_key && !starting) | |
| 2828 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); | |
| 2829 | |
| 2830 return cryptkey; | |
| 2831 } | |
| 2832 #endif | |
| 2833 | |
| 2834 #ifdef UNIX | |
| 2835 static void | |
| 2836 set_file_time(fname, atime, mtime) | |
| 2837 char_u *fname; | |
| 2838 time_t atime; /* access time */ | |
| 2839 time_t mtime; /* modification time */ | |
| 2840 { | |
| 2841 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 2842 struct utimbuf buf; | |
| 2843 | |
| 2844 buf.actime = atime; | |
| 2845 buf.modtime = mtime; | |
| 2846 (void)utime((char *)fname, &buf); | |
| 2847 # else | |
| 2848 # if defined(HAVE_UTIMES) | |
| 2849 struct timeval tvp[2]; | |
| 2850 | |
| 2851 tvp[0].tv_sec = atime; | |
| 2852 tvp[0].tv_usec = 0; | |
| 2853 tvp[1].tv_sec = mtime; | |
| 2854 tvp[1].tv_usec = 0; | |
| 2855 # ifdef NeXT | |
| 2856 (void)utimes((char *)fname, tvp); | |
| 2857 # else | |
| 2858 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 2859 # endif | |
| 2860 # endif | |
| 2861 # endif | |
| 2862 } | |
| 2863 #endif /* UNIX */ | |
| 2864 | |
| 22 | 2865 #if defined(VMS) && !defined(MIN) |
| 2866 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 2867 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 2868 #endif | |
| 2869 | |
| 7 | 2870 /* |
| 1303 | 2871 * Return TRUE if a file appears to be read-only from the file permissions. |
| 2872 */ | |
| 2873 int | |
| 2874 check_file_readonly(fname, perm) | |
| 2875 char_u *fname; /* full path to file */ | |
| 2876 int perm; /* known permissions on file */ | |
| 2877 { | |
| 2878 #ifndef USE_MCH_ACCESS | |
| 2879 int fd = 0; | |
| 2880 #endif | |
| 2881 | |
| 2882 return ( | |
| 2883 #ifdef USE_MCH_ACCESS | |
| 2884 # ifdef UNIX | |
| 2885 (perm & 0222) == 0 || | |
| 2886 # endif | |
| 2887 mch_access((char *)fname, W_OK) | |
| 2888 #else | |
| 2889 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 2890 ? TRUE : (close(fd), FALSE) | |
| 2891 #endif | |
| 2892 ); | |
| 2893 } | |
| 2894 | |
| 2895 | |
| 2896 /* | |
| 589 | 2897 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 2898 * |
| 2899 * We do our own buffering here because fwrite() is so slow. | |
| 2900 * | |
| 589 | 2901 * If "forceit" is true, we don't care for errors when attempting backups. |
| 2902 * In case of an error everything possible is done to restore the original | |
| 1698 | 2903 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 2904 * |
| 2905 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 2906 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 2907 * |
| 2908 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 2909 * | |
| 2910 * return FAIL for failure, OK otherwise | |
| 2911 */ | |
| 2912 int | |
| 2913 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 2914 reset_changed, filtering) | |
| 2915 buf_T *buf; | |
| 2916 char_u *fname; | |
| 2917 char_u *sfname; | |
| 2918 linenr_T start, end; | |
| 2919 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 2920 NULL! */ | |
| 589 | 2921 int append; /* append to the file */ |
| 7 | 2922 int forceit; |
| 2923 int reset_changed; | |
| 2924 int filtering; | |
| 2925 { | |
| 2926 int fd; | |
| 2927 char_u *backup = NULL; | |
| 2928 int backup_copy = FALSE; /* copy the original file? */ | |
| 2929 int dobackup; | |
| 2930 char_u *ffname; | |
| 2931 char_u *wfname = NULL; /* name of file to write to */ | |
| 2932 char_u *s; | |
| 2933 char_u *ptr; | |
| 2934 char_u c; | |
| 2935 int len; | |
| 2936 linenr_T lnum; | |
| 2937 long nchars; | |
| 2938 char_u *errmsg = NULL; | |
| 1947 | 2939 int errmsg_allocated = FALSE; |
| 7 | 2940 char_u *errnum = NULL; |
| 2941 char_u *buffer; | |
| 2942 char_u smallbuf[SMBUFSIZE]; | |
| 2943 char_u *backup_ext; | |
| 2944 int bufsize; | |
| 2945 long perm; /* file permissions */ | |
| 2946 int retval = OK; | |
| 2947 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 2948 int msg_save = msg_scroll; | |
| 2949 int overwriting; /* TRUE if writing over original */ | |
| 2950 int no_eol = FALSE; /* no end-of-line written */ | |
| 2951 int device = FALSE; /* writing to a device */ | |
| 2952 struct stat st_old; | |
| 2953 int prev_got_int = got_int; | |
| 2954 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 2955 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 2956 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 2957 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 2958 #endif | |
| 2959 /* writing everything */ | |
| 2960 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 2961 #ifdef FEAT_AUTOCMD | |
| 2962 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 2963 #endif | |
| 2964 int attr; | |
| 2965 int fileformat; | |
| 2966 int write_bin; | |
| 2967 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 2968 #ifdef FEAT_MBYTE | |
| 2969 int converted = FALSE; | |
| 2970 int notconverted = FALSE; | |
| 2971 char_u *fenc; /* effective 'fileencoding' */ | |
| 2972 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 2973 #endif | |
| 2974 #ifdef HAS_BW_FLAGS | |
| 2975 int wb_flags = 0; | |
| 2976 #endif | |
| 2977 #ifdef HAVE_ACL | |
| 2978 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 2979 backup or new file */ | |
| 2980 #endif | |
| 2981 | |
| 2982 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 2983 return FAIL; | |
| 2028 | 2984 if (buf->b_ml.ml_mfp == NULL) |
| 2985 { | |
| 2986 /* This can happen during startup when there is a stray "w" in the | |
| 2987 * vimrc file. */ | |
| 2988 EMSG(_(e_emptybuf)); | |
| 2989 return FAIL; | |
| 2990 } | |
| 7 | 2991 |
| 2992 /* | |
| 2993 * Disallow writing from .exrc and .vimrc in current directory for | |
| 2994 * security reasons. | |
| 2995 */ | |
| 2996 if (check_secure()) | |
| 2997 return FAIL; | |
| 2998 | |
| 2999 /* Avoid a crash for a long name. */ | |
| 3000 if (STRLEN(fname) >= MAXPATHL) | |
| 3001 { | |
| 3002 EMSG(_(e_longname)); | |
| 3003 return FAIL; | |
| 3004 } | |
| 3005 | |
| 3006 #ifdef FEAT_MBYTE | |
| 3007 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3008 write_info.bw_conv_buf = NULL; | |
| 3009 write_info.bw_conv_error = FALSE; | |
| 1947 | 3010 write_info.bw_conv_error_lnum = 0; |
| 7 | 3011 write_info.bw_restlen = 0; |
| 3012 # ifdef USE_ICONV | |
| 3013 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3014 # endif | |
| 3015 #endif | |
| 3016 | |
| 167 | 3017 /* After writing a file changedtick changes but we don't want to display |
| 3018 * the line. */ | |
| 3019 ex_no_reprint = TRUE; | |
| 3020 | |
| 7 | 3021 /* |
| 3022 * If there is no file name yet, use the one for the written file. | |
| 3023 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3024 * Don't do this when the write is for a filter command. | |
| 589 | 3025 * Don't do this when appending. |
| 3026 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3027 */ |
| 633 | 3028 if (buf->b_ffname == NULL |
| 3029 && reset_changed | |
| 7 | 3030 && whole |
| 3031 && buf == curbuf | |
| 236 | 3032 #ifdef FEAT_QUICKFIX |
| 3033 && !bt_nofile(buf) | |
| 3034 #endif | |
| 7 | 3035 && !filtering |
| 589 | 3036 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3037 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3038 { | |
| 633 | 3039 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3040 return FAIL; |
| 633 | 3041 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3042 } |
| 3043 | |
| 3044 if (sfname == NULL) | |
| 3045 sfname = fname; | |
| 3046 /* | |
| 3047 * For Unix: Use the short file name whenever possible. | |
| 3048 * Avoids problems with networks and when directory names are changed. | |
| 3049 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3050 * another directory, which we don't detect | |
| 3051 */ | |
| 3052 ffname = fname; /* remember full fname */ | |
| 3053 #ifdef UNIX | |
| 3054 fname = sfname; | |
| 3055 #endif | |
| 3056 | |
| 3057 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3058 overwriting = TRUE; | |
| 3059 else | |
| 3060 overwriting = FALSE; | |
| 3061 | |
| 3062 if (exiting) | |
| 3063 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
| 3064 | |
| 3065 ++no_wait_return; /* don't wait for return yet */ | |
| 3066 | |
| 3067 /* | |
| 3068 * Set '[ and '] marks to the lines to be written. | |
| 3069 */ | |
| 3070 buf->b_op_start.lnum = start; | |
| 3071 buf->b_op_start.col = 0; | |
| 3072 buf->b_op_end.lnum = end; | |
| 3073 buf->b_op_end.col = 0; | |
| 3074 | |
| 3075 #ifdef FEAT_AUTOCMD | |
| 3076 { | |
| 3077 aco_save_T aco; | |
| 3078 int buf_ffname = FALSE; | |
| 3079 int buf_sfname = FALSE; | |
| 3080 int buf_fname_f = FALSE; | |
| 3081 int buf_fname_s = FALSE; | |
| 3082 int did_cmd = FALSE; | |
| 17 | 3083 int nofile_err = FALSE; |
| 161 | 3084 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3085 |
| 3086 /* | |
| 3087 * Apply PRE aucocommands. | |
| 3088 * Set curbuf to the buffer to be written. | |
| 3089 * Careful: The autocommands may call buf_write() recursively! | |
| 3090 */ | |
| 3091 if (ffname == buf->b_ffname) | |
| 3092 buf_ffname = TRUE; | |
| 3093 if (sfname == buf->b_sfname) | |
| 3094 buf_sfname = TRUE; | |
| 3095 if (fname == buf->b_ffname) | |
| 3096 buf_fname_f = TRUE; | |
| 3097 if (fname == buf->b_sfname) | |
| 3098 buf_fname_s = TRUE; | |
| 3099 | |
| 3100 /* set curwin/curbuf to buf and save a few things */ | |
| 3101 aucmd_prepbuf(&aco, buf); | |
| 3102 | |
| 3103 if (append) | |
| 3104 { | |
| 3105 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3106 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3107 { |
| 635 | 3108 #ifdef FEAT_QUICKFIX |
| 18 | 3109 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3110 nofile_err = TRUE; |
| 3111 else | |
| 635 | 3112 #endif |
| 17 | 3113 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3114 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3115 } |
| 7 | 3116 } |
| 3117 else if (filtering) | |
| 3118 { | |
| 3119 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3120 NULL, sfname, FALSE, curbuf, eap); | |
| 3121 } | |
| 3122 else if (reset_changed && whole) | |
| 3123 { | |
| 3124 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3125 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3126 { |
| 635 | 3127 #ifdef FEAT_QUICKFIX |
| 179 | 3128 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3129 nofile_err = TRUE; |
| 3130 else | |
| 635 | 3131 #endif |
| 17 | 3132 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3133 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3134 } |
| 7 | 3135 } |
| 3136 else | |
| 3137 { | |
| 3138 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3139 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3140 { |
| 635 | 3141 #ifdef FEAT_QUICKFIX |
| 179 | 3142 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3143 nofile_err = TRUE; |
| 3144 else | |
| 635 | 3145 #endif |
| 17 | 3146 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3147 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3148 } |
| 7 | 3149 } |
| 3150 | |
| 3151 /* restore curwin/curbuf and a few other things */ | |
| 3152 aucmd_restbuf(&aco); | |
| 3153 | |
| 3154 /* | |
| 3155 * In three situations we return here and don't write the file: | |
| 3156 * 1. the autocommands deleted or unloaded the buffer. | |
| 3157 * 2. The autocommands abort script processing. | |
| 3158 * 3. If one of the "Cmd" autocommands was executed. | |
| 3159 */ | |
| 3160 if (!buf_valid(buf)) | |
| 3161 buf = NULL; | |
| 161 | 3162 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3163 || did_cmd || nofile_err |
| 3164 #ifdef FEAT_EVAL | |
| 3165 || aborting() | |
| 3166 #endif | |
| 3167 ) | |
| 7 | 3168 { |
| 3169 --no_wait_return; | |
| 3170 msg_scroll = msg_save; | |
| 17 | 3171 if (nofile_err) |
| 3172 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3173 | |
| 532 | 3174 if (nofile_err |
| 3175 #ifdef FEAT_EVAL | |
| 3176 || aborting() | |
| 3177 #endif | |
| 3178 ) | |
| 7 | 3179 /* An aborting error, interrupt or exception in the |
| 3180 * autocommands. */ | |
| 3181 return FAIL; | |
| 3182 if (did_cmd) | |
| 3183 { | |
| 3184 if (buf == NULL) | |
| 3185 /* The buffer was deleted. We assume it was written | |
| 3186 * (can't retry anyway). */ | |
| 3187 return OK; | |
| 3188 if (overwriting) | |
| 3189 { | |
| 3190 /* Assume the buffer was written, update the timestamp. */ | |
| 3191 ml_timestamp(buf); | |
| 589 | 3192 if (append) |
| 3193 buf->b_flags &= ~BF_NEW; | |
| 3194 else | |
| 3195 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3196 } |
| 589 | 3197 if (reset_changed && buf->b_changed && !append |
| 39 | 3198 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3199 /* Buffer still changed, the autocommands didn't work |
| 3200 * properly. */ | |
| 3201 return FAIL; | |
| 3202 return OK; | |
| 3203 } | |
| 3204 #ifdef FEAT_EVAL | |
| 3205 if (!aborting()) | |
| 3206 #endif | |
| 3207 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3208 return FAIL; | |
| 3209 } | |
| 3210 | |
| 3211 /* | |
| 3212 * The autocommands may have changed the number of lines in the file. | |
| 3213 * When writing the whole file, adjust the end. | |
| 3214 * When writing part of the file, assume that the autocommands only | |
| 3215 * changed the number of lines that are to be written (tricky!). | |
| 3216 */ | |
| 3217 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3218 { | |
| 3219 if (whole) /* write all */ | |
| 3220 end = buf->b_ml.ml_line_count; | |
| 3221 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3222 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3223 else /* less lines */ | |
| 3224 { | |
| 3225 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3226 if (end < start) | |
| 3227 { | |
| 3228 --no_wait_return; | |
| 3229 msg_scroll = msg_save; | |
| 3230 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3231 return FAIL; | |
| 3232 } | |
| 3233 } | |
| 3234 } | |
| 3235 | |
| 3236 /* | |
| 3237 * The autocommands may have changed the name of the buffer, which may | |
| 3238 * be kept in fname, ffname and sfname. | |
| 3239 */ | |
| 3240 if (buf_ffname) | |
| 3241 ffname = buf->b_ffname; | |
| 3242 if (buf_sfname) | |
| 3243 sfname = buf->b_sfname; | |
| 3244 if (buf_fname_f) | |
| 3245 fname = buf->b_ffname; | |
| 3246 if (buf_fname_s) | |
| 3247 fname = buf->b_sfname; | |
| 3248 } | |
| 3249 #endif | |
| 3250 | |
| 3251 #ifdef FEAT_NETBEANS_INTG | |
| 3252 if (usingNetbeans && isNetbeansBuffer(buf)) | |
| 3253 { | |
| 3254 if (whole) | |
| 3255 { | |
| 3256 /* | |
| 3257 * b_changed can be 0 after an undo, but we still need to write | |
| 3258 * the buffer to NetBeans. | |
| 3259 */ | |
| 3260 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3261 { | |
| 33 | 3262 --no_wait_return; /* may wait for return now */ |
| 3263 msg_scroll = msg_save; | |
| 3264 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3265 return retval; |
| 3266 } | |
| 3267 else | |
| 3268 { | |
| 3269 errnum = (char_u *)"E656: "; | |
| 1653 | 3270 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3271 buffer = NULL; |
| 3272 goto fail; | |
| 3273 } | |
| 3274 } | |
| 3275 else | |
| 3276 { | |
| 3277 errnum = (char_u *)"E657: "; | |
| 3278 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3279 buffer = NULL; | |
| 3280 goto fail; | |
| 3281 } | |
| 3282 } | |
| 3283 #endif | |
| 3284 | |
| 3285 if (shortmess(SHM_OVER) && !exiting) | |
| 3286 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3287 else | |
| 3288 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3289 if (!filtering) | |
| 3290 filemess(buf, | |
| 3291 #ifndef UNIX | |
| 3292 sfname, | |
| 3293 #else | |
| 3294 fname, | |
| 3295 #endif | |
| 3296 (char_u *)"", 0); /* show that we are busy */ | |
| 3297 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3298 | |
| 3299 buffer = alloc(BUFSIZE); | |
| 3300 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3301 * one (to be able to write when out of | |
| 3302 * memory) */ | |
| 3303 { | |
| 3304 buffer = smallbuf; | |
| 3305 bufsize = SMBUFSIZE; | |
| 3306 } | |
| 3307 else | |
| 3308 bufsize = BUFSIZE; | |
| 3309 | |
| 3310 /* | |
| 3311 * Get information about original file (if there is one). | |
| 3312 */ | |
| 3313 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3314 st_old.st_dev = 0; |
| 3315 st_old.st_ino = 0; | |
| 7 | 3316 perm = -1; |
| 3317 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3318 newfile = TRUE; | |
| 3319 else | |
| 3320 { | |
| 3321 perm = st_old.st_mode; | |
| 3322 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3323 { | |
| 3324 if (S_ISDIR(st_old.st_mode)) | |
| 3325 { | |
| 3326 errnum = (char_u *)"E502: "; | |
| 3327 errmsg = (char_u *)_("is a directory"); | |
| 3328 goto fail; | |
| 3329 } | |
| 3330 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3331 { | |
| 3332 errnum = (char_u *)"E503: "; | |
| 3333 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3334 goto fail; | |
| 3335 } | |
| 3336 /* It's a device of some kind (or a fifo) which we can write to | |
| 3337 * but for which we can't make a backup. */ | |
| 3338 device = TRUE; | |
| 3339 newfile = TRUE; | |
| 3340 perm = -1; | |
| 3341 } | |
| 3342 } | |
| 3343 #else /* !UNIX */ | |
| 3344 /* | |
| 3345 * Check for a writable device name. | |
| 3346 */ | |
| 3347 c = mch_nodetype(fname); | |
| 3348 if (c == NODE_OTHER) | |
| 3349 { | |
| 3350 errnum = (char_u *)"E503: "; | |
| 3351 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3352 goto fail; | |
| 3353 } | |
| 3354 if (c == NODE_WRITABLE) | |
| 3355 { | |
| 1004 | 3356 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3357 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3358 * trying to write to it. */ | |
| 3359 if (!p_odev) | |
| 3360 { | |
| 3361 errnum = (char_u *)"E796: "; | |
| 3362 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3363 goto fail; | |
| 3364 } | |
| 3365 # endif | |
| 7 | 3366 device = TRUE; |
| 3367 newfile = TRUE; | |
| 3368 perm = -1; | |
| 3369 } | |
| 3370 else | |
| 3371 { | |
| 3372 perm = mch_getperm(fname); | |
| 3373 if (perm < 0) | |
| 3374 newfile = TRUE; | |
| 3375 else if (mch_isdir(fname)) | |
| 3376 { | |
| 3377 errnum = (char_u *)"E502: "; | |
| 3378 errmsg = (char_u *)_("is a directory"); | |
| 3379 goto fail; | |
| 3380 } | |
| 3381 if (overwriting) | |
| 3382 (void)mch_stat((char *)fname, &st_old); | |
| 3383 } | |
| 3384 #endif /* !UNIX */ | |
| 3385 | |
| 3386 if (!device && !newfile) | |
| 3387 { | |
| 3388 /* | |
| 3389 * Check if the file is really writable (when renaming the file to | |
| 3390 * make a backup we won't discover it later). | |
| 3391 */ | |
| 1303 | 3392 file_readonly = check_file_readonly(fname, (int)perm); |
| 3393 | |
| 7 | 3394 if (!forceit && file_readonly) |
| 3395 { | |
| 3396 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3397 { | |
| 3398 errnum = (char_u *)"E504: "; | |
| 3399 errmsg = (char_u *)_(err_readonly); | |
| 3400 } | |
| 3401 else | |
| 3402 { | |
| 3403 errnum = (char_u *)"E505: "; | |
| 3404 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3405 } | |
| 3406 goto fail; | |
| 3407 } | |
| 3408 | |
| 3409 /* | |
| 3410 * Check if the timestamp hasn't changed since reading the file. | |
| 3411 */ | |
| 3412 if (overwriting) | |
| 3413 { | |
| 3414 retval = check_mtime(buf, &st_old); | |
| 3415 if (retval == FAIL) | |
| 3416 goto fail; | |
| 3417 } | |
| 3418 } | |
| 3419 | |
| 3420 #ifdef HAVE_ACL | |
| 3421 /* | |
| 3422 * For systems that support ACL: get the ACL from the original file. | |
| 3423 */ | |
| 3424 if (!newfile) | |
| 3425 acl = mch_get_acl(fname); | |
| 3426 #endif | |
| 3427 | |
| 3428 /* | |
| 3429 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3430 */ | |
| 3431 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3432 #ifdef FEAT_WILDIGN | |
| 3433 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3434 dobackup = FALSE; | |
| 3435 #endif | |
| 3436 | |
| 3437 /* | |
| 3438 * Save the value of got_int and reset it. We don't want a previous | |
| 3439 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3440 * abort it. | |
| 3441 */ | |
| 3442 prev_got_int = got_int; | |
| 3443 got_int = FALSE; | |
| 3444 | |
| 3445 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3446 buf->b_saving = TRUE; | |
| 3447 | |
| 3448 /* | |
| 3449 * If we are not appending or filtering, the file exists, and the | |
| 3450 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3451 * When 'patchmode' is set also make a backup when appending. | |
| 3452 * | |
| 3453 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3454 * off. This helps when editing large files on almost-full disks. | |
| 3455 */ | |
| 3456 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3457 { | |
| 3458 #if defined(UNIX) || defined(WIN32) | |
| 3459 struct stat st; | |
| 3460 #endif | |
| 3461 | |
| 3462 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3463 backup_copy = TRUE; | |
| 3464 #if defined(UNIX) || defined(WIN32) | |
| 3465 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3466 { | |
| 3467 int i; | |
| 3468 | |
| 3469 # ifdef UNIX | |
| 3470 /* | |
| 3471 * Don't rename the file when: | |
| 3472 * - it's a hard link | |
| 3473 * - it's a symbolic link | |
| 3474 * - we don't have write permission in the directory | |
| 3475 * - we can't set the owner/group of the new file | |
| 3476 */ | |
| 3477 if (st_old.st_nlink > 1 | |
| 3478 || mch_lstat((char *)fname, &st) < 0 | |
| 3479 || st.st_dev != st_old.st_dev | |
| 557 | 3480 || st.st_ino != st_old.st_ino |
| 3481 # ifndef HAVE_FCHOWN | |
| 3482 || st.st_uid != st_old.st_uid | |
| 3483 || st.st_gid != st_old.st_gid | |
| 3484 # endif | |
| 3485 ) | |
| 7 | 3486 backup_copy = TRUE; |
| 3487 else | |
| 696 | 3488 # else |
| 3489 # ifdef WIN32 | |
| 3490 /* On NTFS file systems hard links are possible. */ | |
| 3491 if (mch_is_linked(fname)) | |
| 3492 backup_copy = TRUE; | |
| 3493 else | |
| 3494 # endif | |
| 7 | 3495 # endif |
| 3496 { | |
| 3497 /* | |
| 3498 * Check if we can create a file and set the owner/group to | |
| 3499 * the ones from the original file. | |
| 3500 * First find a file name that doesn't exist yet (use some | |
| 3501 * arbitrary numbers). | |
| 3502 */ | |
| 3503 STRCPY(IObuff, fname); | |
| 3504 for (i = 4913; ; i += 123) | |
| 3505 { | |
| 3506 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3507 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3508 break; |
| 3509 } | |
| 557 | 3510 fd = mch_open((char *)IObuff, |
| 3511 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3512 if (fd < 0) /* can't write in directory */ |
| 3513 backup_copy = TRUE; | |
| 3514 else | |
| 3515 { | |
| 3516 # ifdef UNIX | |
| 557 | 3517 # ifdef HAVE_FCHOWN |
| 1757 | 3518 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3519 # endif |
| 7 | 3520 if (mch_stat((char *)IObuff, &st) < 0 |
| 3521 || st.st_uid != st_old.st_uid | |
| 3522 || st.st_gid != st_old.st_gid | |
| 1877 | 3523 || (long)st.st_mode != perm) |
| 7 | 3524 backup_copy = TRUE; |
| 3525 # endif | |
| 567 | 3526 /* Close the file before removing it, on MS-Windows we |
| 3527 * can't delete an open file. */ | |
| 3528 close(fd); | |
| 7 | 3529 mch_remove(IObuff); |
| 3530 } | |
| 3531 } | |
| 3532 } | |
| 3533 | |
| 3534 # ifdef UNIX | |
| 3535 /* | |
| 3536 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3537 */ | |
| 3538 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3539 { | |
| 3540 int lstat_res; | |
| 3541 | |
| 3542 lstat_res = mch_lstat((char *)fname, &st); | |
| 3543 | |
| 3544 /* Symlinks. */ | |
| 3545 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3546 && lstat_res == 0 | |
| 3547 && st.st_ino != st_old.st_ino) | |
| 3548 backup_copy = FALSE; | |
| 3549 | |
| 3550 /* Hardlinks. */ | |
| 3551 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3552 && st_old.st_nlink > 1 | |
| 3553 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3554 backup_copy = FALSE; | |
| 3555 } | |
| 3556 #endif | |
| 3557 | |
| 3558 #endif | |
| 3559 | |
| 3560 /* make sure we have a valid backup extension to use */ | |
| 3561 if (*p_bex == NUL) | |
| 3562 { | |
| 3563 #ifdef RISCOS | |
| 3564 backup_ext = (char_u *)"/bak"; | |
| 3565 #else | |
| 3566 backup_ext = (char_u *)".bak"; | |
| 3567 #endif | |
| 3568 } | |
| 3569 else | |
| 3570 backup_ext = p_bex; | |
| 3571 | |
| 3572 if (backup_copy | |
| 3573 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3574 { | |
| 3575 int bfd; | |
| 3576 char_u *copybuf, *wp; | |
| 3577 int some_error = FALSE; | |
| 3578 struct stat st_new; | |
| 3579 char_u *dirp; | |
| 3580 char_u *rootname; | |
| 344 | 3581 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3582 int did_set_shortname; |
| 3583 #endif | |
| 3584 | |
| 3585 copybuf = alloc(BUFSIZE + 1); | |
| 3586 if (copybuf == NULL) | |
| 3587 { | |
| 3588 some_error = TRUE; /* out of memory */ | |
| 3589 goto nobackup; | |
| 3590 } | |
| 3591 | |
| 3592 /* | |
| 3593 * Try to make the backup in each directory in the 'bdir' option. | |
| 3594 * | |
| 3595 * Unix semantics has it, that we may have a writable file, | |
| 3596 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3597 * - the directory is not writable, | |
| 3598 * - the file may be a symbolic link, | |
| 3599 * - the file may belong to another user/group, etc. | |
| 3600 * | |
| 3601 * For these reasons, the existing writable file must be truncated | |
| 3602 * and reused. Creation of a backup COPY will be attempted. | |
| 3603 */ | |
| 3604 dirp = p_bdir; | |
| 3605 while (*dirp) | |
| 3606 { | |
| 3607 #ifdef UNIX | |
| 3608 st_new.st_ino = 0; | |
| 3609 st_new.st_dev = 0; | |
| 3610 st_new.st_gid = 0; | |
| 3611 #endif | |
| 3612 | |
| 3613 /* | |
| 3614 * Isolate one directory name, using an entry in 'bdir'. | |
| 3615 */ | |
| 3616 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3617 rootname = get_file_in_dir(fname, copybuf); | |
| 3618 if (rootname == NULL) | |
| 3619 { | |
| 3620 some_error = TRUE; /* out of memory */ | |
| 3621 goto nobackup; | |
| 3622 } | |
| 3623 | |
| 344 | 3624 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3625 did_set_shortname = FALSE; |
| 3626 #endif | |
| 3627 | |
| 3628 /* | |
| 3629 * May try twice if 'shortname' not set. | |
| 3630 */ | |
| 3631 for (;;) | |
| 3632 { | |
| 3633 /* | |
| 3634 * Make backup file name. | |
| 3635 */ | |
| 3636 backup = buf_modname( | |
| 3637 #ifdef SHORT_FNAME | |
| 3638 TRUE, | |
| 3639 #else | |
| 3640 (buf->b_p_sn || buf->b_shortname), | |
| 3641 #endif | |
| 3642 rootname, backup_ext, FALSE); | |
| 3643 if (backup == NULL) | |
| 3644 { | |
| 3645 vim_free(rootname); | |
| 3646 some_error = TRUE; /* out of memory */ | |
| 3647 goto nobackup; | |
| 3648 } | |
| 3649 | |
| 3650 /* | |
| 3651 * Check if backup file already exists. | |
| 3652 */ | |
| 3653 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3654 { | |
| 3655 #ifdef UNIX | |
| 3656 /* | |
| 3657 * Check if backup file is same as original file. | |
| 3658 * May happen when modname() gave the same file back. | |
| 3659 * E.g. silly link, or file name-length reached. | |
| 3660 * If we don't check here, we either ruin the file | |
| 3661 * when copying or erase it after writing. jw. | |
| 3662 */ | |
| 3663 if (st_new.st_dev == st_old.st_dev | |
| 3664 && st_new.st_ino == st_old.st_ino) | |
| 3665 { | |
| 3666 vim_free(backup); | |
| 3667 backup = NULL; /* no backup file to delete */ | |
| 3668 # ifndef SHORT_FNAME | |
| 3669 /* | |
| 3670 * may try again with 'shortname' set | |
| 3671 */ | |
| 3672 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3673 { | |
| 3674 buf->b_shortname = TRUE; | |
| 3675 did_set_shortname = TRUE; | |
| 3676 continue; | |
| 3677 } | |
| 3678 /* setting shortname didn't help */ | |
| 3679 if (did_set_shortname) | |
| 3680 buf->b_shortname = FALSE; | |
| 3681 # endif | |
| 3682 break; | |
| 3683 } | |
| 3684 #endif | |
| 3685 | |
| 3686 /* | |
| 3687 * If we are not going to keep the backup file, don't | |
| 3688 * delete an existing one, try to use another name. | |
| 3689 * Change one character, just before the extension. | |
| 3690 */ | |
| 3691 if (!p_bk) | |
| 3692 { | |
| 3693 wp = backup + STRLEN(backup) - 1 | |
| 3694 - STRLEN(backup_ext); | |
| 3695 if (wp < backup) /* empty file name ??? */ | |
| 3696 wp = backup; | |
| 3697 *wp = 'z'; | |
| 3698 while (*wp > 'a' | |
| 3699 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3700 --*wp; | |
| 3701 /* They all exist??? Must be something wrong. */ | |
| 3702 if (*wp == 'a') | |
| 3703 { | |
| 3704 vim_free(backup); | |
| 3705 backup = NULL; | |
| 3706 } | |
| 3707 } | |
| 3708 } | |
| 3709 break; | |
| 3710 } | |
| 3711 vim_free(rootname); | |
| 3712 | |
| 3713 /* | |
| 3714 * Try to create the backup file | |
| 3715 */ | |
| 3716 if (backup != NULL) | |
| 3717 { | |
| 3718 /* remove old backup, if present */ | |
| 3719 mch_remove(backup); | |
| 3720 /* Open with O_EXCL to avoid the file being created while | |
| 3721 * we were sleeping (symlink hacker attack?) */ | |
| 3722 bfd = mch_open((char *)backup, | |
| 557 | 3723 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 3724 perm & 0777); | |
| 7 | 3725 if (bfd < 0) |
| 3726 { | |
| 3727 vim_free(backup); | |
| 3728 backup = NULL; | |
| 3729 } | |
| 3730 else | |
| 3731 { | |
| 3732 /* set file protection same as original file, but | |
| 3733 * strip s-bit */ | |
| 3734 (void)mch_setperm(backup, perm & 0777); | |
| 3735 | |
| 3736 #ifdef UNIX | |
| 3737 /* | |
| 3738 * Try to set the group of the backup same as the | |
| 3739 * original file. If this fails, set the protection | |
| 3740 * bits for the group same as the protection bits for | |
| 3741 * others. | |
| 3742 */ | |
| 557 | 3743 if (st_new.st_gid != st_old.st_gid |
| 7 | 3744 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 3745 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 3746 # endif |
| 3747 ) | |
| 3748 mch_setperm(backup, | |
| 3749 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 3750 # ifdef HAVE_SELINUX |
| 3751 mch_copy_sec(fname, backup); | |
| 3752 # endif | |
| 7 | 3753 #endif |
| 3754 | |
| 3755 /* | |
| 3756 * copy the file. | |
| 3757 */ | |
| 3758 write_info.bw_fd = bfd; | |
| 3759 write_info.bw_buf = copybuf; | |
| 3760 #ifdef HAS_BW_FLAGS | |
| 3761 write_info.bw_flags = FIO_NOCONVERT; | |
| 3762 #endif | |
| 3763 while ((write_info.bw_len = vim_read(fd, copybuf, | |
| 3764 BUFSIZE)) > 0) | |
| 3765 { | |
| 3766 if (buf_write_bytes(&write_info) == FAIL) | |
| 3767 { | |
| 3768 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 3769 break; | |
| 3770 } | |
| 3771 ui_breakcheck(); | |
| 3772 if (got_int) | |
| 3773 { | |
| 3774 errmsg = (char_u *)_(e_interr); | |
| 3775 break; | |
| 3776 } | |
| 3777 } | |
| 3778 | |
| 3779 if (close(bfd) < 0 && errmsg == NULL) | |
| 3780 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 3781 if (write_info.bw_len < 0) | |
| 3782 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 3783 #ifdef UNIX | |
| 3784 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 3785 #endif | |
| 3786 #ifdef HAVE_ACL | |
| 3787 mch_set_acl(backup, acl); | |
| 3788 #endif | |
| 1583 | 3789 #ifdef HAVE_SELINUX |
| 3790 mch_copy_sec(fname, backup); | |
| 3791 #endif | |
| 7 | 3792 break; |
| 3793 } | |
| 3794 } | |
| 3795 } | |
| 3796 nobackup: | |
| 3797 close(fd); /* ignore errors for closing read file */ | |
| 3798 vim_free(copybuf); | |
| 3799 | |
| 3800 if (backup == NULL && errmsg == NULL) | |
| 3801 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 3802 /* ignore errors when forceit is TRUE */ | |
| 3803 if ((some_error || errmsg != NULL) && !forceit) | |
| 3804 { | |
| 3805 retval = FAIL; | |
| 3806 goto fail; | |
| 3807 } | |
| 3808 errmsg = NULL; | |
| 3809 } | |
| 3810 else | |
| 3811 { | |
| 3812 char_u *dirp; | |
| 3813 char_u *p; | |
| 3814 char_u *rootname; | |
| 3815 | |
| 3816 /* | |
| 3817 * Make a backup by renaming the original file. | |
| 3818 */ | |
| 3819 /* | |
| 3820 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 3821 * overwrite a read-only file. But rename may be possible | |
| 3822 * anyway, thus we need an extra check here. | |
| 3823 */ | |
| 3824 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3825 { | |
| 3826 errnum = (char_u *)"E504: "; | |
| 3827 errmsg = (char_u *)_(err_readonly); | |
| 3828 goto fail; | |
| 3829 } | |
| 3830 | |
| 3831 /* | |
| 3832 * | |
| 3833 * Form the backup file name - change path/fo.o.h to | |
| 3834 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 3835 * that works is used. | |
| 3836 */ | |
| 3837 dirp = p_bdir; | |
| 3838 while (*dirp) | |
| 3839 { | |
| 3840 /* | |
| 3841 * Isolate one directory name and make the backup file name. | |
| 3842 */ | |
| 3843 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 3844 rootname = get_file_in_dir(fname, IObuff); | |
| 3845 if (rootname == NULL) | |
| 3846 backup = NULL; | |
| 3847 else | |
| 3848 { | |
| 3849 backup = buf_modname( | |
| 3850 #ifdef SHORT_FNAME | |
| 3851 TRUE, | |
| 3852 #else | |
| 3853 (buf->b_p_sn || buf->b_shortname), | |
| 3854 #endif | |
| 3855 rootname, backup_ext, FALSE); | |
| 3856 vim_free(rootname); | |
| 3857 } | |
| 3858 | |
| 3859 if (backup != NULL) | |
| 3860 { | |
| 3861 /* | |
| 3862 * If we are not going to keep the backup file, don't | |
| 3863 * delete an existing one, try to use another name. | |
| 3864 * Change one character, just before the extension. | |
| 3865 */ | |
| 3866 if (!p_bk && mch_getperm(backup) >= 0) | |
| 3867 { | |
| 3868 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 3869 if (p < backup) /* empty file name ??? */ | |
| 3870 p = backup; | |
| 3871 *p = 'z'; | |
| 3872 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 3873 --*p; | |
| 3874 /* They all exist??? Must be something wrong! */ | |
| 3875 if (*p == 'a') | |
| 3876 { | |
| 3877 vim_free(backup); | |
| 3878 backup = NULL; | |
| 3879 } | |
| 3880 } | |
| 3881 } | |
| 3882 if (backup != NULL) | |
| 3883 { | |
| 3884 /* | |
| 531 | 3885 * Delete any existing backup and move the current version |
| 3886 * to the backup. For safety, we don't remove the backup | |
| 3887 * until the write has finished successfully. And if the | |
| 3888 * 'backup' option is set, leave it around. | |
| 7 | 3889 */ |
| 3890 /* | |
| 3891 * If the renaming of the original file to the backup file | |
| 3892 * works, quit here. | |
| 3893 */ | |
| 3894 if (vim_rename(fname, backup) == 0) | |
| 3895 break; | |
| 3896 | |
| 3897 vim_free(backup); /* don't do the rename below */ | |
| 3898 backup = NULL; | |
| 3899 } | |
| 3900 } | |
| 3901 if (backup == NULL && !forceit) | |
| 3902 { | |
| 3903 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 3904 goto fail; | |
| 3905 } | |
| 3906 } | |
| 3907 } | |
| 3908 | |
| 3909 #if defined(UNIX) && !defined(ARCHIE) | |
| 3910 /* When using ":w!" and the file was read-only: make it writable */ | |
| 3911 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 3912 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 3913 { | |
| 3914 perm |= 0200; | |
| 3915 (void)mch_setperm(fname, perm); | |
| 3916 made_writable = TRUE; | |
| 3917 } | |
| 3918 #endif | |
| 3919 | |
| 819 | 3920 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 3921 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 3922 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 3923 { |
| 3924 buf->b_p_ro = FALSE; | |
| 3925 #ifdef FEAT_TITLE | |
| 3926 need_maketitle = TRUE; /* set window title later */ | |
| 3927 #endif | |
| 3928 #ifdef FEAT_WINDOWS | |
| 3929 status_redraw_all(); /* redraw status lines later */ | |
| 3930 #endif | |
| 3931 } | |
| 3932 | |
| 3933 if (end > buf->b_ml.ml_line_count) | |
| 3934 end = buf->b_ml.ml_line_count; | |
| 3935 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 3936 start = end + 1; | |
| 3937 | |
| 3938 /* | |
| 3939 * If the original file is being overwritten, there is a small chance that | |
| 3940 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 3941 * This makes all block numbers positive so that recovery does not need | |
| 3942 * the original file. | |
| 3943 * Don't do this if there is a backup file and we are exiting. | |
| 3944 */ | |
| 39 | 3945 if (reset_changed && !newfile && overwriting |
| 7 | 3946 && !(exiting && backup != NULL)) |
| 3947 { | |
| 3948 ml_preserve(buf, FALSE); | |
| 3949 if (got_int) | |
| 3950 { | |
| 3951 errmsg = (char_u *)_(e_interr); | |
| 3952 goto restore_backup; | |
| 3953 } | |
| 3954 } | |
| 3955 | |
| 3956 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 3957 /* | |
| 3958 * Before risking to lose the original file verify if there's | |
| 3959 * a resource fork to preserve, and if cannot be done warn | |
| 3960 * the users. This happens when overwriting without backups. | |
| 3961 */ | |
| 3962 if (backup == NULL && overwriting && !append) | |
| 3963 if (mch_has_resource_fork(fname)) | |
| 3964 { | |
| 3965 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 3966 goto restore_backup; | |
| 3967 } | |
| 3968 #endif | |
| 3969 | |
| 3970 #ifdef VMS | |
| 3971 vms_remove_version(fname); /* remove version */ | |
| 3972 #endif | |
| 1651 | 3973 /* Default: write the file directly. May write to a temp file for |
| 7 | 3974 * multi-byte conversion. */ |
| 3975 wfname = fname; | |
| 3976 | |
| 3977 #ifdef FEAT_MBYTE | |
| 3978 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 3979 if (eap != NULL && eap->force_enc != 0) | |
| 3980 { | |
| 3981 fenc = eap->cmd + eap->force_enc; | |
| 3982 fenc = enc_canonize(fenc); | |
| 3983 fenc_tofree = fenc; | |
| 3984 } | |
| 3985 else | |
| 3986 fenc = buf->b_p_fenc; | |
| 3987 | |
| 3988 /* | |
| 1948 | 3989 * Check if the file needs to be converted. |
| 7 | 3990 */ |
| 1948 | 3991 converted = need_conversion(fenc); |
| 7 | 3992 |
| 3993 /* | |
| 3994 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 3995 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 3996 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 3997 */ | |
| 3998 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 3999 { | |
| 4000 wb_flags = get_fio_flags(fenc); | |
| 4001 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4002 { | |
| 4003 /* Need to allocate a buffer to translate into. */ | |
| 4004 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4005 write_info.bw_conv_buflen = bufsize * 2; | |
| 4006 else /* FIO_UCS4 */ | |
| 4007 write_info.bw_conv_buflen = bufsize * 4; | |
| 4008 write_info.bw_conv_buf | |
| 4009 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4010 if (write_info.bw_conv_buf == NULL) | |
| 4011 end = 0; | |
| 4012 } | |
| 4013 } | |
| 4014 | |
| 4015 # ifdef WIN3264 | |
| 4016 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4017 { | |
| 4018 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4019 write_info.bw_conv_buflen = bufsize * 4; | |
| 4020 write_info.bw_conv_buf | |
| 4021 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4022 if (write_info.bw_conv_buf == NULL) | |
| 4023 end = 0; | |
| 4024 } | |
| 4025 # endif | |
| 4026 | |
| 4027 # ifdef MACOS_X | |
| 4028 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4029 { | |
| 4030 write_info.bw_conv_buflen = bufsize * 3; | |
| 4031 write_info.bw_conv_buf | |
| 4032 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4033 if (write_info.bw_conv_buf == NULL) | |
| 4034 end = 0; | |
| 4035 } | |
| 4036 # endif | |
| 4037 | |
| 4038 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4039 if (converted && wb_flags == 0) | |
| 4040 { | |
| 4041 # ifdef USE_ICONV | |
| 4042 /* | |
| 4043 * Use iconv() conversion when conversion is needed and it's not done | |
| 4044 * internally. | |
| 4045 */ | |
| 4046 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4047 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4048 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4049 { | |
| 4050 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4051 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4052 write_info.bw_conv_buf | |
| 4053 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4054 if (write_info.bw_conv_buf == NULL) | |
| 4055 end = 0; | |
| 4056 write_info.bw_first = TRUE; | |
| 4057 } | |
| 4058 # ifdef FEAT_EVAL | |
| 4059 else | |
| 4060 # endif | |
| 4061 # endif | |
| 4062 | |
| 4063 # ifdef FEAT_EVAL | |
| 4064 /* | |
| 4065 * When the file needs to be converted with 'charconvert' after | |
| 4066 * writing, write to a temp file instead and let the conversion | |
| 4067 * overwrite the original file. | |
| 4068 */ | |
| 4069 if (*p_ccv != NUL) | |
| 4070 { | |
| 4071 wfname = vim_tempname('w'); | |
| 4072 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4073 { | |
| 4074 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4075 goto restore_backup; | |
| 4076 } | |
| 4077 } | |
| 4078 # endif | |
| 4079 } | |
| 4080 # endif | |
| 4081 if (converted && wb_flags == 0 | |
| 4082 # ifdef USE_ICONV | |
| 4083 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4084 # endif | |
| 4085 # ifdef FEAT_EVAL | |
| 4086 && wfname == fname | |
| 4087 # endif | |
| 4088 ) | |
| 4089 { | |
| 4090 if (!forceit) | |
| 4091 { | |
| 4092 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4093 goto restore_backup; | |
| 4094 } | |
| 4095 notconverted = TRUE; | |
| 4096 } | |
| 4097 #endif | |
| 4098 | |
| 4099 /* | |
| 4100 * Open the file "wfname" for writing. | |
| 4101 * We may try to open the file twice: If we can't write to the | |
| 4102 * file and forceit is TRUE we delete the existing file and try to create | |
| 4103 * a new one. If this still fails we may have lost the original file! | |
| 4104 * (this may happen when the user reached his quotum for number of files). | |
| 4105 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4106 */ | |
| 4107 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4108 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4109 : (O_CREAT | O_TRUNC)) | |
| 216 | 4110 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4111 { |
| 4112 /* | |
| 4113 * A forced write will try to create a new file if the old one is | |
| 4114 * still readonly. This may also happen when the directory is | |
| 4115 * read-only. In that case the mch_remove() will fail. | |
| 4116 */ | |
| 4117 if (errmsg == NULL) | |
| 4118 { | |
| 4119 #ifdef UNIX | |
| 4120 struct stat st; | |
| 4121 | |
| 4122 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4123 if ((!newfile && st_old.st_nlink > 1) | |
| 4124 || (mch_lstat((char *)fname, &st) == 0 | |
| 4125 && (st.st_dev != st_old.st_dev | |
| 4126 || st.st_ino != st_old.st_ino))) | |
| 4127 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4128 else | |
| 4129 #endif | |
| 4130 { | |
| 4131 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4132 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4133 && perm >= 0) | |
| 4134 { | |
| 4135 #ifdef UNIX | |
| 4136 /* we write to the file, thus it should be marked | |
| 4137 writable after all */ | |
| 4138 if (!(perm & 0200)) | |
| 4139 made_writable = TRUE; | |
| 4140 perm |= 0200; | |
| 4141 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4142 perm &= 0777; | |
| 4143 #endif | |
| 4144 if (!append) /* don't remove when appending */ | |
| 4145 mch_remove(wfname); | |
| 4146 continue; | |
| 4147 } | |
| 4148 } | |
| 4149 } | |
| 4150 | |
| 4151 restore_backup: | |
| 4152 { | |
| 4153 struct stat st; | |
| 4154 | |
| 4155 /* | |
| 4156 * If we failed to open the file, we don't need a backup. Throw it | |
| 4157 * away. If we moved or removed the original file try to put the | |
| 4158 * backup in its place. | |
| 4159 */ | |
| 4160 if (backup != NULL && wfname == fname) | |
| 4161 { | |
| 4162 if (backup_copy) | |
| 4163 { | |
| 4164 /* | |
| 4165 * There is a small chance that we removed the original, | |
| 4166 * try to move the copy in its place. | |
| 4167 * This may not work if the vim_rename() fails. | |
| 4168 * In that case we leave the copy around. | |
| 4169 */ | |
| 4170 /* If file does not exist, put the copy in its place */ | |
| 4171 if (mch_stat((char *)fname, &st) < 0) | |
| 4172 vim_rename(backup, fname); | |
| 4173 /* if original file does exist throw away the copy */ | |
| 4174 if (mch_stat((char *)fname, &st) >= 0) | |
| 4175 mch_remove(backup); | |
| 4176 } | |
| 4177 else | |
| 4178 { | |
| 4179 /* try to put the original file back */ | |
| 4180 vim_rename(backup, fname); | |
| 4181 } | |
| 4182 } | |
| 4183 | |
| 4184 /* if original file no longer exists give an extra warning */ | |
| 4185 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4186 end = 0; | |
| 4187 } | |
| 4188 | |
| 4189 #ifdef FEAT_MBYTE | |
| 4190 if (wfname != fname) | |
| 4191 vim_free(wfname); | |
| 4192 #endif | |
| 4193 goto fail; | |
| 4194 } | |
| 4195 errmsg = NULL; | |
| 4196 | |
| 4197 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4198 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4199 /* | |
| 4200 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4201 * This is done in order to preserve the resource fork and the |
| 4202 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4203 */ |
| 4204 if (backup != NULL && overwriting && !append) | |
| 4205 { | |
| 4206 if (backup_copy) | |
| 4207 (void)mch_copy_file_attribute(wfname, backup); | |
| 4208 else | |
| 4209 (void)mch_copy_file_attribute(backup, wfname); | |
| 4210 } | |
| 4211 | |
| 4212 if (!overwriting && !append) | |
| 4213 { | |
| 4214 if (buf->b_ffname != NULL) | |
| 4215 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4216 /* Should copy resource fork */ |
| 7 | 4217 } |
| 4218 #endif | |
| 4219 | |
| 4220 write_info.bw_fd = fd; | |
| 4221 | |
| 4222 #ifdef FEAT_CRYPT | |
| 4223 if (*buf->b_p_key && !filtering) | |
| 4224 { | |
| 4225 crypt_init_keys(buf->b_p_key); | |
| 4226 /* Write magic number, so that Vim knows that this file is encrypted | |
| 4227 * when reading it again. This also undergoes utf-8 to ucs-2/4 | |
| 4228 * conversion when needed. */ | |
| 4229 write_info.bw_buf = (char_u *)CRYPT_MAGIC; | |
| 4230 write_info.bw_len = CRYPT_MAGIC_LEN; | |
| 4231 write_info.bw_flags = FIO_NOCONVERT; | |
| 4232 if (buf_write_bytes(&write_info) == FAIL) | |
| 4233 end = 0; | |
| 4234 wb_flags |= FIO_ENCRYPTED; | |
| 4235 } | |
| 4236 #endif | |
| 4237 | |
| 4238 write_info.bw_buf = buffer; | |
| 4239 nchars = 0; | |
| 4240 | |
| 4241 /* use "++bin", "++nobin" or 'binary' */ | |
| 4242 if (eap != NULL && eap->force_bin != 0) | |
| 4243 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4244 else | |
| 4245 write_bin = buf->b_p_bin; | |
| 4246 | |
| 4247 #ifdef FEAT_MBYTE | |
| 4248 /* | |
| 4249 * The BOM is written just after the encryption magic number. | |
| 24 | 4250 * Skip it when appending and the file already existed, the BOM only makes |
| 4251 * sense at the start of the file. | |
| 7 | 4252 */ |
| 24 | 4253 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4254 { |
| 4255 write_info.bw_len = make_bom(buffer, fenc); | |
| 4256 if (write_info.bw_len > 0) | |
| 4257 { | |
| 4258 /* don't convert, do encryption */ | |
| 4259 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4260 if (buf_write_bytes(&write_info) == FAIL) | |
| 4261 end = 0; | |
| 4262 else | |
| 4263 nchars += write_info.bw_len; | |
| 4264 } | |
| 4265 } | |
| 1947 | 4266 write_info.bw_start_lnum = start; |
| 7 | 4267 #endif |
| 4268 | |
| 4269 write_info.bw_len = bufsize; | |
| 4270 #ifdef HAS_BW_FLAGS | |
| 4271 write_info.bw_flags = wb_flags; | |
| 4272 #endif | |
| 4273 fileformat = get_fileformat_force(buf, eap); | |
| 4274 s = buffer; | |
| 4275 len = 0; | |
| 4276 for (lnum = start; lnum <= end; ++lnum) | |
| 4277 { | |
| 4278 /* | |
| 4279 * The next while loop is done once for each character written. | |
| 4280 * Keep it fast! | |
| 4281 */ | |
| 4282 ptr = ml_get_buf(buf, lnum, FALSE) - 1; | |
| 4283 while ((c = *++ptr) != NUL) | |
| 4284 { | |
| 4285 if (c == NL) | |
| 4286 *s = NUL; /* replace newlines with NULs */ | |
| 4287 else if (c == CAR && fileformat == EOL_MAC) | |
| 4288 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4289 else | |
| 4290 *s = c; | |
| 4291 ++s; | |
| 4292 if (++len != bufsize) | |
| 4293 continue; | |
| 4294 if (buf_write_bytes(&write_info) == FAIL) | |
| 4295 { | |
| 4296 end = 0; /* write error: break loop */ | |
| 4297 break; | |
| 4298 } | |
| 4299 nchars += bufsize; | |
| 4300 s = buffer; | |
| 4301 len = 0; | |
| 1947 | 4302 #ifdef FEAT_MBYTE |
| 4303 write_info.bw_start_lnum = lnum; | |
| 4304 #endif | |
| 7 | 4305 } |
| 4306 /* write failed or last line has no EOL: stop here */ | |
| 4307 if (end == 0 | |
| 4308 || (lnum == end | |
| 4309 && write_bin | |
| 4310 && (lnum == write_no_eol_lnum | |
| 4311 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) | |
| 4312 { | |
| 4313 ++lnum; /* written the line, count it */ | |
| 4314 no_eol = TRUE; | |
| 4315 break; | |
| 4316 } | |
| 4317 if (fileformat == EOL_UNIX) | |
| 4318 *s++ = NL; | |
| 4319 else | |
| 4320 { | |
| 4321 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4322 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4323 { | |
| 4324 if (++len == bufsize) | |
| 4325 { | |
| 4326 if (buf_write_bytes(&write_info) == FAIL) | |
| 4327 { | |
| 4328 end = 0; /* write error: break loop */ | |
| 4329 break; | |
| 4330 } | |
| 4331 nchars += bufsize; | |
| 4332 s = buffer; | |
| 4333 len = 0; | |
| 4334 } | |
| 4335 *s++ = NL; | |
| 4336 } | |
| 4337 } | |
| 4338 if (++len == bufsize && end) | |
| 4339 { | |
| 4340 if (buf_write_bytes(&write_info) == FAIL) | |
| 4341 { | |
| 4342 end = 0; /* write error: break loop */ | |
| 4343 break; | |
| 4344 } | |
| 4345 nchars += bufsize; | |
| 4346 s = buffer; | |
| 4347 len = 0; | |
| 4348 | |
| 4349 ui_breakcheck(); | |
| 4350 if (got_int) | |
| 4351 { | |
| 4352 end = 0; /* Interrupted, break loop */ | |
| 4353 break; | |
| 4354 } | |
| 4355 } | |
| 4356 #ifdef VMS | |
| 4357 /* | |
| 4358 * On VMS there is a problem: newlines get added when writing blocks | |
| 4359 * at a time. Fix it by writing a line at a time. | |
| 4360 * This is much slower! | |
| 22 | 4361 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4362 * structures end with a newline (carriage return) character, and if | |
| 4363 * they don't it adds one. | |
| 4364 * With other RMS structures it works perfect without this fix. | |
| 7 | 4365 */ |
| 1431 | 4366 if (buf->b_fab_rfm == FAB$C_VFC |
| 4367 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4368 { |
| 4369 int b2write; | |
| 4370 | |
| 4371 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4372 ? MIN(4096, bufsize) | |
| 4373 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4374 | |
| 4375 b2write = len; | |
| 4376 while (b2write > 0) | |
| 7 | 4377 { |
| 22 | 4378 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4379 if (buf_write_bytes(&write_info) == FAIL) | |
| 4380 { | |
| 4381 end = 0; | |
| 4382 break; | |
| 4383 } | |
| 4384 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4385 } |
| 4386 write_info.bw_len = bufsize; | |
| 4387 nchars += len; | |
| 4388 s = buffer; | |
| 4389 len = 0; | |
| 4390 } | |
| 4391 #endif | |
| 4392 } | |
| 4393 if (len > 0 && end > 0) | |
| 4394 { | |
| 4395 write_info.bw_len = len; | |
| 4396 if (buf_write_bytes(&write_info) == FAIL) | |
| 4397 end = 0; /* write error */ | |
| 4398 nchars += len; | |
| 4399 } | |
| 4400 | |
| 4401 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4402 /* On many journalling file systems there is a bug that causes both the | |
| 4403 * original and the backup file to be lost when halting the system right | |
| 4404 * after writing the file. That's because only the meta-data is | |
| 4405 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4406 * been written to disk and we don't lose it. |
| 4407 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4408 * (could be a pipe). |
| 4409 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4410 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4411 { |
| 4412 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4413 end = 0; | |
| 4414 } | |
| 4415 #endif | |
| 4416 | |
| 1583 | 4417 #ifdef HAVE_SELINUX |
| 4418 /* Probably need to set the security context. */ | |
| 4419 if (!backup_copy) | |
| 4420 mch_copy_sec(backup, wfname); | |
| 4421 #endif | |
| 4422 | |
| 557 | 4423 #ifdef UNIX |
| 4424 /* When creating a new file, set its owner/group to that of the original | |
| 4425 * file. Get the new device and inode number. */ | |
| 4426 if (backup != NULL && !backup_copy) | |
| 4427 { | |
| 4428 # ifdef HAVE_FCHOWN | |
| 4429 struct stat st; | |
| 4430 | |
| 4431 /* don't change the owner when it's already OK, some systems remove | |
| 4432 * permission or ACL stuff */ | |
| 4433 if (mch_stat((char *)wfname, &st) < 0 | |
| 4434 || st.st_uid != st_old.st_uid | |
| 4435 || st.st_gid != st_old.st_gid) | |
| 4436 { | |
| 1757 | 4437 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4438 if (perm >= 0) /* set permission again, may have changed */ |
| 4439 (void)mch_setperm(wfname, perm); | |
| 4440 } | |
| 4441 # endif | |
| 4442 buf_setino(buf); | |
| 4443 } | |
| 1873 | 4444 else if (!buf->b_dev_valid) |
| 617 | 4445 /* Set the inode when creating a new file. */ |
| 4446 buf_setino(buf); | |
| 557 | 4447 #endif |
| 4448 | |
| 7 | 4449 if (close(fd) != 0) |
| 4450 { | |
| 4451 errmsg = (char_u *)_("E512: Close failed"); | |
| 4452 end = 0; | |
| 4453 } | |
| 4454 | |
| 4455 #ifdef UNIX | |
| 4456 if (made_writable) | |
| 4457 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4458 #endif | |
| 4459 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4460 (void)mch_setperm(wfname, perm); | |
| 4461 #ifdef RISCOS | |
| 4462 if (!append && !filtering) | |
| 4463 /* Set the filetype after writing the file. */ | |
| 4464 mch_set_filetype(wfname, buf->b_p_oft); | |
| 4465 #endif | |
| 4466 #ifdef HAVE_ACL | |
| 4467 /* Probably need to set the ACL before changing the user (can't set the | |
| 4468 * ACL on a file the user doesn't own). */ | |
| 4469 if (!backup_copy) | |
| 4470 mch_set_acl(wfname, acl); | |
| 4471 #endif | |
| 4472 | |
| 4473 | |
| 4474 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4475 if (wfname != fname) | |
| 4476 { | |
| 4477 /* | |
| 4478 * The file was written to a temp file, now it needs to be converted | |
| 4479 * with 'charconvert' to (overwrite) the output file. | |
| 4480 */ | |
| 4481 if (end != 0) | |
| 4482 { | |
| 4483 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4484 wfname, fname) == FAIL) | |
| 4485 { | |
| 4486 write_info.bw_conv_error = TRUE; | |
| 4487 end = 0; | |
| 4488 } | |
| 4489 } | |
| 4490 mch_remove(wfname); | |
| 4491 vim_free(wfname); | |
| 4492 } | |
| 4493 #endif | |
| 4494 | |
| 4495 if (end == 0) | |
| 4496 { | |
| 4497 if (errmsg == NULL) | |
| 4498 { | |
| 4499 #ifdef FEAT_MBYTE | |
| 4500 if (write_info.bw_conv_error) | |
| 1947 | 4501 { |
| 4502 if (write_info.bw_conv_error_lnum == 0) | |
| 4503 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4504 else | |
| 4505 { | |
| 4506 errmsg_allocated = TRUE; | |
| 4507 errmsg = alloc(300); | |
| 4508 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4509 (long)write_info.bw_conv_error_lnum); | |
| 4510 } | |
| 4511 } | |
| 7 | 4512 else |
| 4513 #endif | |
| 4514 if (got_int) | |
| 4515 errmsg = (char_u *)_(e_interr); | |
| 4516 else | |
| 4517 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4518 } | |
| 4519 | |
| 4520 /* | |
| 4521 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4522 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4523 * original file when trying to make a backup when writing the file a |
| 4524 * second time. | |
| 4525 * When "backup_copy" is set we need to copy the backup over the new | |
| 4526 * file. Otherwise rename the backup file. | |
| 4527 * If this is OK, don't give the extra warning message. | |
| 4528 */ | |
| 4529 if (backup != NULL) | |
| 4530 { | |
| 4531 if (backup_copy) | |
| 4532 { | |
| 4533 /* This may take a while, if we were interrupted let the user | |
| 4534 * know we got the message. */ | |
| 4535 if (got_int) | |
| 4536 { | |
| 4537 MSG(_(e_interr)); | |
| 4538 out_flush(); | |
| 4539 } | |
| 4540 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4541 { | |
| 4542 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4543 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4544 perm & 0777)) >= 0) | |
| 7 | 4545 { |
| 4546 /* copy the file. */ | |
| 4547 write_info.bw_buf = smallbuf; | |
| 4548 #ifdef HAS_BW_FLAGS | |
| 4549 write_info.bw_flags = FIO_NOCONVERT; | |
| 4550 #endif | |
| 4551 while ((write_info.bw_len = vim_read(fd, smallbuf, | |
| 4552 SMBUFSIZE)) > 0) | |
| 4553 if (buf_write_bytes(&write_info) == FAIL) | |
| 4554 break; | |
| 4555 | |
| 4556 if (close(write_info.bw_fd) >= 0 | |
| 4557 && write_info.bw_len == 0) | |
| 4558 end = 1; /* success */ | |
| 4559 } | |
| 4560 close(fd); /* ignore errors for closing read file */ | |
| 4561 } | |
| 4562 } | |
| 4563 else | |
| 4564 { | |
| 4565 if (vim_rename(backup, fname) == 0) | |
| 4566 end = 1; | |
| 4567 } | |
| 4568 } | |
| 4569 goto fail; | |
| 4570 } | |
| 4571 | |
| 4572 lnum -= start; /* compute number of written lines */ | |
| 4573 --no_wait_return; /* may wait for return now */ | |
| 4574 | |
| 4575 #if !(defined(UNIX) || defined(VMS)) | |
| 4576 fname = sfname; /* use shortname now, for the messages */ | |
| 4577 #endif | |
| 4578 if (!filtering) | |
| 4579 { | |
| 4580 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4581 c = FALSE; | |
| 4582 #ifdef FEAT_MBYTE | |
| 4583 if (write_info.bw_conv_error) | |
| 4584 { | |
| 4585 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4586 c = TRUE; | |
| 1947 | 4587 if (write_info.bw_conv_error_lnum != 0) |
| 4588 { | |
| 1957 | 4589 size_t l = STRLEN(IObuff); |
| 1947 | 4590 vim_snprintf((char *)IObuff + l, IOSIZE - l, _(" in line %ld;"), |
| 4591 (long)write_info.bw_conv_error_lnum); | |
| 4592 } | |
| 7 | 4593 } |
| 4594 else if (notconverted) | |
| 4595 { | |
| 4596 STRCAT(IObuff, _("[NOT converted]")); | |
| 4597 c = TRUE; | |
| 4598 } | |
| 4599 else if (converted) | |
| 4600 { | |
| 4601 STRCAT(IObuff, _("[converted]")); | |
| 4602 c = TRUE; | |
| 4603 } | |
| 4604 #endif | |
| 4605 if (device) | |
| 4606 { | |
| 4607 STRCAT(IObuff, _("[Device]")); | |
| 4608 c = TRUE; | |
| 4609 } | |
| 4610 else if (newfile) | |
| 4611 { | |
| 4612 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4613 c = TRUE; | |
| 4614 } | |
| 4615 if (no_eol) | |
| 4616 { | |
| 4617 msg_add_eol(); | |
| 4618 c = TRUE; | |
| 4619 } | |
| 4620 /* may add [unix/dos/mac] */ | |
| 4621 if (msg_add_fileformat(fileformat)) | |
| 4622 c = TRUE; | |
| 4623 #ifdef FEAT_CRYPT | |
| 4624 if (wb_flags & FIO_ENCRYPTED) | |
| 4625 { | |
| 4626 STRCAT(IObuff, _("[crypted]")); | |
| 4627 c = TRUE; | |
| 4628 } | |
| 4629 #endif | |
| 4630 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4631 if (!shortmess(SHM_WRITE)) | |
| 4632 { | |
| 4633 if (append) | |
| 4634 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4635 else | |
| 4636 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4637 } | |
| 4638 | |
| 679 | 4639 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4640 } |
| 4641 | |
| 39 | 4642 /* When written everything correctly: reset 'modified'. Unless not |
| 4643 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4644 if (reset_changed && whole && !append |
| 7 | 4645 #ifdef FEAT_MBYTE |
| 4646 && !write_info.bw_conv_error | |
| 4647 #endif | |
| 39 | 4648 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4649 ) | |
| 7 | 4650 { |
| 4651 unchanged(buf, TRUE); | |
| 4652 u_unchanged(buf); | |
| 4653 } | |
| 4654 | |
| 4655 /* | |
| 4656 * If written to the current file, update the timestamp of the swap file | |
| 4657 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4658 */ | |
| 4659 if (overwriting) | |
| 4660 { | |
| 4661 ml_timestamp(buf); | |
| 589 | 4662 if (append) |
| 4663 buf->b_flags &= ~BF_NEW; | |
| 4664 else | |
| 4665 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4666 } |
| 4667 | |
| 4668 /* | |
| 4669 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4670 * the backup file our 'original' file. | |
| 4671 */ | |
| 4672 if (*p_pm && dobackup) | |
| 4673 { | |
| 4674 char *org = (char *)buf_modname( | |
| 4675 #ifdef SHORT_FNAME | |
| 4676 TRUE, | |
| 4677 #else | |
| 4678 (buf->b_p_sn || buf->b_shortname), | |
| 4679 #endif | |
| 4680 fname, p_pm, FALSE); | |
| 4681 | |
| 4682 if (backup != NULL) | |
| 4683 { | |
| 4684 struct stat st; | |
| 4685 | |
| 4686 /* | |
| 4687 * If the original file does not exist yet | |
| 4688 * the current backup file becomes the original file | |
| 4689 */ | |
| 4690 if (org == NULL) | |
| 4691 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4692 else if (mch_stat(org, &st) < 0) | |
| 4693 { | |
| 4694 vim_rename(backup, (char_u *)org); | |
| 4695 vim_free(backup); /* don't delete the file */ | |
| 4696 backup = NULL; | |
| 4697 #ifdef UNIX | |
| 4698 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4699 #endif | |
| 4700 } | |
| 4701 } | |
| 4702 /* | |
| 4703 * If there is no backup file, remember that a (new) file was | |
| 4704 * created. | |
| 4705 */ | |
| 4706 else | |
| 4707 { | |
| 4708 int empty_fd; | |
| 4709 | |
| 4710 if (org == NULL | |
| 557 | 4711 || (empty_fd = mch_open(org, |
| 4712 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4713 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4714 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4715 else | |
| 4716 close(empty_fd); | |
| 4717 } | |
| 4718 if (org != NULL) | |
| 4719 { | |
| 4720 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4721 vim_free(org); | |
| 4722 } | |
| 4723 } | |
| 4724 | |
| 4725 /* | |
| 4726 * Remove the backup unless 'backup' option is set | |
| 4727 */ | |
| 4728 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 4729 EMSG(_("E207: Can't delete backup file")); | |
| 4730 | |
| 4731 #ifdef FEAT_SUN_WORKSHOP | |
| 4732 if (usingSunWorkShop) | |
| 4733 workshop_file_saved((char *) ffname); | |
| 4734 #endif | |
| 4735 | |
| 4736 goto nofail; | |
| 4737 | |
| 4738 /* | |
| 4739 * Finish up. We get here either after failure or success. | |
| 4740 */ | |
| 4741 fail: | |
| 4742 --no_wait_return; /* may wait for return now */ | |
| 4743 nofail: | |
| 4744 | |
| 4745 /* Done saving, we accept changed buffer warnings again */ | |
| 4746 buf->b_saving = FALSE; | |
| 4747 | |
| 4748 vim_free(backup); | |
| 4749 if (buffer != smallbuf) | |
| 4750 vim_free(buffer); | |
| 4751 #ifdef FEAT_MBYTE | |
| 4752 vim_free(fenc_tofree); | |
| 4753 vim_free(write_info.bw_conv_buf); | |
| 4754 # ifdef USE_ICONV | |
| 4755 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4756 { | |
| 4757 iconv_close(write_info.bw_iconv_fd); | |
| 4758 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 4759 } | |
| 4760 # endif | |
| 4761 #endif | |
| 4762 #ifdef HAVE_ACL | |
| 4763 mch_free_acl(acl); | |
| 4764 #endif | |
| 4765 | |
| 4766 if (errmsg != NULL) | |
| 4767 { | |
| 835 | 4768 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 4769 |
| 4770 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 4771 msg_add_fname(buf, | |
| 4772 #ifndef UNIX | |
| 4773 sfname | |
| 4774 #else | |
| 4775 fname | |
| 4776 #endif | |
| 4777 ); /* put file name in IObuff with quotes */ | |
| 4778 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 4779 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 4780 /* If the error message has the form "is ...", put the error number in | |
| 4781 * front of the file name. */ | |
| 4782 if (errnum != NULL) | |
| 4783 { | |
| 1620 | 4784 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 4785 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 4786 } | |
| 4787 STRCAT(IObuff, errmsg); | |
| 4788 emsg(IObuff); | |
| 1947 | 4789 if (errmsg_allocated) |
| 4790 vim_free(errmsg); | |
| 7 | 4791 |
| 4792 retval = FAIL; | |
| 4793 if (end == 0) | |
| 4794 { | |
| 4795 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 4796 attr | MSG_HIST); | |
| 4797 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 4798 attr | MSG_HIST); | |
| 4799 | |
| 4800 /* Update the timestamp to avoid an "overwrite changed file" | |
| 4801 * prompt when writing again. */ | |
| 4802 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 4803 { | |
| 4804 buf_store_time(buf, &st_old, fname); | |
| 4805 buf->b_mtime_read = buf->b_mtime; | |
| 4806 } | |
| 4807 } | |
| 4808 } | |
| 4809 msg_scroll = msg_save; | |
| 4810 | |
| 4811 #ifdef FEAT_AUTOCMD | |
| 4812 #ifdef FEAT_EVAL | |
| 4813 if (!should_abort(retval)) | |
| 4814 #else | |
| 4815 if (!got_int) | |
| 4816 #endif | |
| 4817 { | |
| 4818 aco_save_T aco; | |
| 4819 | |
| 4820 write_no_eol_lnum = 0; /* in case it was set by the previous read */ | |
| 4821 | |
| 4822 /* | |
| 4823 * Apply POST autocommands. | |
| 4824 * Careful: The autocommands may call buf_write() recursively! | |
| 4825 */ | |
| 4826 aucmd_prepbuf(&aco, buf); | |
| 4827 | |
| 4828 if (append) | |
| 4829 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 4830 FALSE, curbuf, eap); | |
| 4831 else if (filtering) | |
| 4832 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 4833 FALSE, curbuf, eap); | |
| 4834 else if (reset_changed && whole) | |
| 4835 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 4836 FALSE, curbuf, eap); | |
| 4837 else | |
| 4838 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 4839 FALSE, curbuf, eap); | |
| 4840 | |
| 4841 /* restore curwin/curbuf and a few other things */ | |
| 4842 aucmd_restbuf(&aco); | |
| 4843 | |
| 4844 #ifdef FEAT_EVAL | |
| 4845 if (aborting()) /* autocmds may abort script processing */ | |
| 4846 retval = FALSE; | |
| 4847 #endif | |
| 4848 } | |
| 4849 #endif | |
| 4850 | |
| 4851 got_int |= prev_got_int; | |
| 4852 | |
| 4853 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4854 /* Update machine specific information. */ | |
| 4855 mch_post_buffer_write(buf); | |
| 4856 #endif | |
| 4857 return retval; | |
| 4858 } | |
| 4859 | |
| 4860 /* | |
| 633 | 4861 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 4862 * name and a ":r" or ":w" command with a file name is used. | |
| 4863 */ | |
| 4864 static int | |
| 4865 set_rw_fname(fname, sfname) | |
| 4866 char_u *fname; | |
| 4867 char_u *sfname; | |
| 4868 { | |
| 4869 #ifdef FEAT_AUTOCMD | |
| 1905 | 4870 buf_T *buf = curbuf; |
| 4871 | |
| 633 | 4872 /* It's like the unnamed buffer is deleted.... */ |
| 4873 if (curbuf->b_p_bl) | |
| 4874 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 4875 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 4876 # ifdef FEAT_EVAL | |
| 4877 if (aborting()) /* autocmds may abort script processing */ | |
| 4878 return FAIL; | |
| 4879 # endif | |
| 1905 | 4880 if (curbuf != buf) |
| 4881 { | |
| 4882 /* We are in another buffer now, don't do the renaming. */ | |
| 4883 EMSG(_(e_auchangedbuf)); | |
| 4884 return FAIL; | |
| 4885 } | |
| 633 | 4886 #endif |
| 4887 | |
| 4888 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 4889 curbuf->b_flags |= BF_NOTEDITED; | |
| 4890 | |
| 4891 #ifdef FEAT_AUTOCMD | |
| 4892 /* ....and a new named one is created */ | |
| 4893 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 4894 if (curbuf->b_p_bl) | |
| 4895 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 4896 # ifdef FEAT_EVAL | |
| 4897 if (aborting()) /* autocmds may abort script processing */ | |
| 4898 return FAIL; | |
| 4899 # endif | |
| 4900 | |
| 4901 /* Do filetype detection now if 'filetype' is empty. */ | |
| 4902 if (*curbuf->b_p_ft == NUL) | |
| 4903 { | |
| 819 | 4904 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 4905 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 4906 do_modelines(0); |
| 633 | 4907 } |
| 4908 #endif | |
| 4909 | |
| 4910 return OK; | |
| 4911 } | |
| 4912 | |
| 4913 /* | |
| 7 | 4914 * Put file name into IObuff with quotes. |
| 4915 */ | |
| 33 | 4916 void |
| 7 | 4917 msg_add_fname(buf, fname) |
| 4918 buf_T *buf; | |
| 4919 char_u *fname; | |
| 4920 { | |
| 4921 if (fname == NULL) | |
| 4922 fname = (char_u *)"-stdin-"; | |
| 4923 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 4924 IObuff[0] = '"'; | |
| 4925 STRCAT(IObuff, "\" "); | |
| 4926 } | |
| 4927 | |
| 4928 /* | |
| 4929 * Append message for text mode to IObuff. | |
| 4930 * Return TRUE if something appended. | |
| 4931 */ | |
| 4932 static int | |
| 4933 msg_add_fileformat(eol_type) | |
| 4934 int eol_type; | |
| 4935 { | |
| 4936 #ifndef USE_CRNL | |
| 4937 if (eol_type == EOL_DOS) | |
| 4938 { | |
| 4939 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 4940 return TRUE; | |
| 4941 } | |
| 4942 #endif | |
| 4943 #ifndef USE_CR | |
| 4944 if (eol_type == EOL_MAC) | |
| 4945 { | |
| 4946 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 4947 return TRUE; | |
| 4948 } | |
| 4949 #endif | |
| 4950 #if defined(USE_CRNL) || defined(USE_CR) | |
| 4951 if (eol_type == EOL_UNIX) | |
| 4952 { | |
| 4953 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 4954 return TRUE; | |
| 4955 } | |
| 4956 #endif | |
| 4957 return FALSE; | |
| 4958 } | |
| 4959 | |
| 4960 /* | |
| 4961 * Append line and character count to IObuff. | |
| 4962 */ | |
| 33 | 4963 void |
| 7 | 4964 msg_add_lines(insert_space, lnum, nchars) |
| 4965 int insert_space; | |
| 4966 long lnum; | |
| 4967 long nchars; | |
| 4968 { | |
| 4969 char_u *p; | |
| 4970 | |
| 4971 p = IObuff + STRLEN(IObuff); | |
| 4972 | |
| 4973 if (insert_space) | |
| 4974 *p++ = ' '; | |
| 4975 if (shortmess(SHM_LINES)) | |
| 4976 sprintf((char *)p, "%ldL, %ldC", lnum, nchars); | |
| 4977 else | |
| 4978 { | |
| 4979 if (lnum == 1) | |
| 4980 STRCPY(p, _("1 line, ")); | |
| 4981 else | |
| 4982 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 4983 p += STRLEN(p); | |
| 4984 if (nchars == 1) | |
| 4985 STRCPY(p, _("1 character")); | |
| 4986 else | |
| 4987 sprintf((char *)p, _("%ld characters"), nchars); | |
| 4988 } | |
| 4989 } | |
| 4990 | |
| 4991 /* | |
| 4992 * Append message for missing line separator to IObuff. | |
| 4993 */ | |
| 4994 static void | |
| 4995 msg_add_eol() | |
| 4996 { | |
| 4997 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 4998 } | |
| 4999 | |
| 5000 /* | |
| 5001 * Check modification time of file, before writing to it. | |
| 5002 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5003 * using the same timestamp but can't set the size. | |
| 5004 */ | |
| 5005 static int | |
| 5006 check_mtime(buf, st) | |
| 5007 buf_T *buf; | |
| 5008 struct stat *st; | |
| 5009 { | |
| 5010 if (buf->b_mtime_read != 0 | |
| 5011 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5012 { | |
| 5013 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5014 msg_silent = 0; /* must give this prompt */ | |
| 5015 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5016 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5017 hl_attr(HLF_E)); | |
| 5018 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5019 TRUE) == 'n') | |
| 5020 return FAIL; | |
| 5021 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5022 } | |
| 5023 return OK; | |
| 5024 } | |
| 5025 | |
| 5026 static int | |
| 5027 time_differs(t1, t2) | |
| 5028 long t1, t2; | |
| 5029 { | |
| 5030 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5031 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5032 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5033 * time may change unexpectedly by one second!!! */ | |
| 5034 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5035 #else | |
| 5036 return (t1 != t2); | |
| 5037 #endif | |
| 5038 } | |
| 5039 | |
| 5040 /* | |
| 5041 * Call write() to write a number of bytes to the file. | |
| 5042 * Also handles encryption and 'encoding' conversion. | |
| 5043 * | |
| 5044 * Return FAIL for failure, OK otherwise. | |
| 5045 */ | |
| 5046 static int | |
| 5047 buf_write_bytes(ip) | |
| 5048 struct bw_info *ip; | |
| 5049 { | |
| 5050 int wlen; | |
| 5051 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5052 int len = ip->bw_len; /* length of data */ | |
| 5053 #ifdef HAS_BW_FLAGS | |
| 5054 int flags = ip->bw_flags; /* extra flags */ | |
| 5055 #endif | |
| 5056 | |
| 5057 #ifdef FEAT_MBYTE | |
| 5058 /* | |
| 5059 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5060 */ | |
| 5061 if (!(flags & FIO_NOCONVERT)) | |
| 5062 { | |
| 5063 char_u *p; | |
| 5064 unsigned c; | |
| 5065 int n; | |
| 5066 | |
| 5067 if (flags & FIO_UTF8) | |
| 5068 { | |
| 5069 /* | |
| 5070 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5071 */ | |
| 5072 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5073 for (wlen = 0; wlen < len; ++wlen) | |
| 5074 p += utf_char2bytes(buf[wlen], p); | |
| 5075 buf = ip->bw_conv_buf; | |
| 5076 len = (int)(p - ip->bw_conv_buf); | |
| 5077 } | |
| 5078 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5079 { | |
| 5080 /* | |
| 5081 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5082 * Latin1 chars in the file. | |
| 5083 */ | |
| 5084 if (flags & FIO_LATIN1) | |
| 5085 p = buf; /* translate in-place (can only get shorter) */ | |
| 5086 else | |
| 5087 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5088 for (wlen = 0; wlen < len; wlen += n) | |
| 5089 { | |
| 5090 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5091 { | |
| 5092 int l; | |
| 5093 | |
| 5094 /* Use remainder of previous call. Append the start of | |
| 5095 * buf[] to get a full sequence. Might still be too | |
| 5096 * short! */ | |
| 5097 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5098 if (l > len) | |
| 5099 l = len; | |
| 5100 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5101 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5102 if (n > ip->bw_restlen + len) |
| 5103 { | |
| 5104 /* We have an incomplete byte sequence at the end to | |
| 5105 * be written. We can't convert it without the | |
| 5106 * remaining bytes. Keep them for the next call. */ | |
| 5107 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5108 return FAIL; | |
| 5109 ip->bw_restlen += len; | |
| 5110 break; | |
| 5111 } | |
| 5112 if (n > 1) | |
| 5113 c = utf_ptr2char(ip->bw_rest); | |
| 5114 else | |
| 5115 c = ip->bw_rest[0]; | |
| 5116 if (n >= ip->bw_restlen) | |
| 5117 { | |
| 5118 n -= ip->bw_restlen; | |
| 5119 ip->bw_restlen = 0; | |
| 5120 } | |
| 5121 else | |
| 5122 { | |
| 5123 ip->bw_restlen -= n; | |
| 5124 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5125 (size_t)ip->bw_restlen); | |
| 5126 n = 0; | |
| 5127 } | |
| 5128 } | |
| 5129 else | |
| 5130 { | |
| 474 | 5131 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5132 if (n > len - wlen) |
| 5133 { | |
| 5134 /* We have an incomplete byte sequence at the end to | |
| 5135 * be written. We can't convert it without the | |
| 5136 * remaining bytes. Keep them for the next call. */ | |
| 5137 if (len - wlen > CONV_RESTLEN) | |
| 5138 return FAIL; | |
| 5139 ip->bw_restlen = len - wlen; | |
| 5140 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5141 (size_t)ip->bw_restlen); | |
| 5142 break; | |
| 5143 } | |
| 5144 if (n > 1) | |
| 5145 c = utf_ptr2char(buf + wlen); | |
| 5146 else | |
| 5147 c = buf[wlen]; | |
| 5148 } | |
| 5149 | |
| 1947 | 5150 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5151 { | |
| 5152 ip->bw_conv_error = TRUE; | |
| 5153 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5154 } | |
| 5155 if (c == NL) | |
| 5156 ++ip->bw_start_lnum; | |
| 7 | 5157 } |
| 5158 if (flags & FIO_LATIN1) | |
| 5159 len = (int)(p - buf); | |
| 5160 else | |
| 5161 { | |
| 5162 buf = ip->bw_conv_buf; | |
| 5163 len = (int)(p - ip->bw_conv_buf); | |
| 5164 } | |
| 5165 } | |
| 5166 | |
| 5167 # ifdef WIN3264 | |
| 5168 else if (flags & FIO_CODEPAGE) | |
| 5169 { | |
| 5170 /* | |
| 5171 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5172 * codepage. | |
| 5173 */ | |
| 5174 char_u *from; | |
| 5175 size_t fromlen; | |
| 5176 char_u *to; | |
| 5177 int u8c; | |
| 5178 BOOL bad = FALSE; | |
| 5179 int needed; | |
| 5180 | |
| 5181 if (ip->bw_restlen > 0) | |
| 5182 { | |
| 5183 /* Need to concatenate the remainder of the previous call and | |
| 5184 * the bytes of the current call. Use the end of the | |
| 5185 * conversion buffer for this. */ | |
| 5186 fromlen = len + ip->bw_restlen; | |
| 5187 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5188 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5189 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5190 } | |
| 5191 else | |
| 5192 { | |
| 5193 from = buf; | |
| 5194 fromlen = len; | |
| 5195 } | |
| 5196 | |
| 5197 to = ip->bw_conv_buf; | |
| 5198 if (enc_utf8) | |
| 5199 { | |
| 5200 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5201 * The buffer has been allocated to be big enough. */ | |
| 5202 while (fromlen > 0) | |
| 5203 { | |
| 835 | 5204 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5205 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5206 break; | |
| 5207 u8c = utf_ptr2char(from); | |
| 5208 *to++ = (u8c & 0xff); | |
| 5209 *to++ = (u8c >> 8); | |
| 5210 fromlen -= n; | |
| 5211 from += n; | |
| 5212 } | |
| 5213 | |
| 5214 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5215 * call. */ | |
| 5216 if (fromlen > CONV_RESTLEN) | |
| 5217 { | |
| 5218 /* weird overlong sequence */ | |
| 5219 ip->bw_conv_error = TRUE; | |
| 5220 return FAIL; | |
| 5221 } | |
| 5222 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5223 ip->bw_restlen = (int)fromlen; |
| 7 | 5224 } |
| 5225 else | |
| 5226 { | |
| 5227 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5228 * buffer. The buffer has been allocated to be big enough. */ | |
| 5229 ip->bw_restlen = 0; | |
| 5230 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5231 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5232 NULL, 0); |
| 5233 if (needed == 0) | |
| 5234 { | |
| 5235 /* When conversion fails there may be a trailing byte. */ | |
| 5236 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5237 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5238 NULL, 0); |
| 5239 if (needed == 0) | |
| 5240 { | |
| 5241 /* Conversion doesn't work. */ | |
| 5242 ip->bw_conv_error = TRUE; | |
| 5243 return FAIL; | |
| 5244 } | |
| 5245 /* Save the trailing byte for the next call. */ | |
| 5246 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5247 ip->bw_restlen = 1; | |
| 5248 } | |
| 5249 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5250 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5251 (LPWSTR)to, needed); |
| 5252 if (needed == 0) | |
| 5253 { | |
| 5254 /* Safety check: Conversion doesn't work. */ | |
| 5255 ip->bw_conv_error = TRUE; | |
| 5256 return FAIL; | |
| 5257 } | |
| 5258 to += needed * 2; | |
| 5259 } | |
| 5260 | |
| 5261 fromlen = to - ip->bw_conv_buf; | |
| 5262 buf = to; | |
| 5263 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5264 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5265 { | |
| 5266 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5267 * conversion buffer. Fails when out of space. */ | |
| 5268 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5269 { | |
| 5270 u8c = *from++; | |
| 5271 u8c += (*from++ << 8); | |
| 5272 to += utf_char2bytes(u8c, to); | |
| 5273 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5274 { | |
| 5275 ip->bw_conv_error = TRUE; | |
| 5276 return FAIL; | |
| 5277 } | |
| 5278 } | |
| 835 | 5279 len = (int)(to - buf); |
| 7 | 5280 } |
| 5281 else | |
| 5282 #endif | |
| 5283 { | |
| 5284 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5285 * the conversion buffer. If the conversion uses the default | |
| 5286 * character "0", the data doesn't fit in this encoding, so | |
| 5287 * fail. */ | |
| 5288 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5289 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5290 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5291 &bad); | |
| 7 | 5292 if (bad) |
| 5293 { | |
| 5294 ip->bw_conv_error = TRUE; | |
| 5295 return FAIL; | |
| 5296 } | |
| 5297 } | |
| 5298 } | |
| 5299 # endif | |
| 5300 | |
| 765 | 5301 # ifdef MACOS_CONVERT |
| 7 | 5302 else if (flags & FIO_MACROMAN) |
| 5303 { | |
| 5304 /* | |
| 5305 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5306 */ | |
| 5307 char_u *from; | |
| 5308 size_t fromlen; | |
| 5309 | |
| 5310 if (ip->bw_restlen > 0) | |
| 5311 { | |
| 5312 /* Need to concatenate the remainder of the previous call and | |
| 5313 * the bytes of the current call. Use the end of the | |
| 5314 * conversion buffer for this. */ | |
| 5315 fromlen = len + ip->bw_restlen; | |
| 5316 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5317 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5318 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5319 } | |
| 5320 else | |
| 5321 { | |
| 5322 from = buf; | |
| 5323 fromlen = len; | |
| 5324 } | |
| 5325 | |
| 18 | 5326 if (enc2macroman(from, fromlen, |
| 5327 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5328 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5329 { |
| 5330 ip->bw_conv_error = TRUE; | |
| 5331 return FAIL; | |
| 5332 } | |
| 5333 buf = ip->bw_conv_buf; | |
| 5334 } | |
| 5335 # endif | |
| 5336 | |
| 5337 # ifdef USE_ICONV | |
| 5338 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5339 { | |
| 5340 const char *from; | |
| 5341 size_t fromlen; | |
| 5342 char *to; | |
| 5343 size_t tolen; | |
| 5344 | |
| 5345 /* Convert with iconv(). */ | |
| 5346 if (ip->bw_restlen > 0) | |
| 5347 { | |
| 1836 | 5348 char *fp; |
| 5349 | |
| 7 | 5350 /* Need to concatenate the remainder of the previous call and |
| 5351 * the bytes of the current call. Use the end of the | |
| 5352 * conversion buffer for this. */ | |
| 5353 fromlen = len + ip->bw_restlen; | |
| 1836 | 5354 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5355 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5356 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5357 from = fp; | |
| 7 | 5358 tolen = ip->bw_conv_buflen - fromlen; |
| 5359 } | |
| 5360 else | |
| 5361 { | |
| 5362 from = (const char *)buf; | |
| 5363 fromlen = len; | |
| 5364 tolen = ip->bw_conv_buflen; | |
| 5365 } | |
| 5366 to = (char *)ip->bw_conv_buf; | |
| 5367 | |
| 5368 if (ip->bw_first) | |
| 5369 { | |
| 5370 size_t save_len = tolen; | |
| 5371 | |
| 5372 /* output the initial shift state sequence */ | |
| 5373 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5374 | |
| 5375 /* There is a bug in iconv() on Linux (which appears to be | |
| 5376 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5377 */ | |
| 5378 if (to == NULL) | |
| 5379 { | |
| 5380 to = (char *)ip->bw_conv_buf; | |
| 5381 tolen = save_len; | |
| 5382 } | |
| 5383 ip->bw_first = FALSE; | |
| 5384 } | |
| 5385 | |
| 5386 /* | |
| 5387 * If iconv() has an error or there is not enough room, fail. | |
| 5388 */ | |
| 5389 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5390 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5391 || fromlen > CONV_RESTLEN) | |
| 5392 { | |
| 5393 ip->bw_conv_error = TRUE; | |
| 5394 return FAIL; | |
| 5395 } | |
| 5396 | |
| 5397 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5398 if (fromlen > 0) | |
| 5399 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5400 ip->bw_restlen = (int)fromlen; | |
| 5401 | |
| 5402 buf = ip->bw_conv_buf; | |
| 5403 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5404 } | |
| 5405 # endif | |
| 5406 } | |
| 5407 #endif /* FEAT_MBYTE */ | |
| 5408 | |
| 5409 #ifdef FEAT_CRYPT | |
| 5410 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 5411 { | |
| 5412 int ztemp, t, i; | |
| 5413 | |
| 5414 for (i = 0; i < len; i++) | |
| 5415 { | |
| 5416 ztemp = buf[i]; | |
| 5417 buf[i] = ZENCODE(ztemp, t); | |
| 5418 } | |
| 5419 } | |
| 5420 #endif | |
| 5421 | |
| 5422 /* Repeat the write(), it may be interrupted by a signal. */ | |
| 1142 | 5423 while (len > 0) |
| 7 | 5424 { |
| 5425 wlen = vim_write(ip->bw_fd, buf, len); | |
| 5426 if (wlen <= 0) /* error! */ | |
| 5427 return FAIL; | |
| 5428 len -= wlen; | |
| 5429 buf += wlen; | |
| 5430 } | |
| 5431 return OK; | |
| 5432 } | |
| 5433 | |
| 5434 #ifdef FEAT_MBYTE | |
| 5435 /* | |
| 5436 * Convert a Unicode character to bytes. | |
| 1947 | 5437 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5438 */ |
| 5439 static int | |
| 5440 ucs2bytes(c, pp, flags) | |
| 5441 unsigned c; /* in: character */ | |
| 5442 char_u **pp; /* in/out: pointer to result */ | |
| 5443 int flags; /* FIO_ flags */ | |
| 5444 { | |
| 5445 char_u *p = *pp; | |
| 5446 int error = FALSE; | |
| 5447 int cc; | |
| 5448 | |
| 5449 | |
| 5450 if (flags & FIO_UCS4) | |
| 5451 { | |
| 5452 if (flags & FIO_ENDIAN_L) | |
| 5453 { | |
| 5454 *p++ = c; | |
| 5455 *p++ = (c >> 8); | |
| 5456 *p++ = (c >> 16); | |
| 5457 *p++ = (c >> 24); | |
| 5458 } | |
| 5459 else | |
| 5460 { | |
| 5461 *p++ = (c >> 24); | |
| 5462 *p++ = (c >> 16); | |
| 5463 *p++ = (c >> 8); | |
| 5464 *p++ = c; | |
| 5465 } | |
| 5466 } | |
| 5467 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5468 { | |
| 5469 if (c >= 0x10000) | |
| 5470 { | |
| 5471 if (flags & FIO_UTF16) | |
| 5472 { | |
| 5473 /* Make two words, ten bits of the character in each. First | |
| 5474 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5475 c -= 0x10000; | |
| 5476 if (c >= 0x100000) | |
| 5477 error = TRUE; | |
| 5478 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5479 if (flags & FIO_ENDIAN_L) | |
| 5480 { | |
| 5481 *p++ = cc; | |
| 5482 *p++ = ((unsigned)cc >> 8); | |
| 5483 } | |
| 5484 else | |
| 5485 { | |
| 5486 *p++ = ((unsigned)cc >> 8); | |
| 5487 *p++ = cc; | |
| 5488 } | |
| 5489 c = (c & 0x3ff) + 0xdc00; | |
| 5490 } | |
| 5491 else | |
| 5492 error = TRUE; | |
| 5493 } | |
| 5494 if (flags & FIO_ENDIAN_L) | |
| 5495 { | |
| 5496 *p++ = c; | |
| 5497 *p++ = (c >> 8); | |
| 5498 } | |
| 5499 else | |
| 5500 { | |
| 5501 *p++ = (c >> 8); | |
| 5502 *p++ = c; | |
| 5503 } | |
| 5504 } | |
| 5505 else /* Latin1 */ | |
| 5506 { | |
| 5507 if (c >= 0x100) | |
| 5508 { | |
| 5509 error = TRUE; | |
| 5510 *p++ = 0xBF; | |
| 5511 } | |
| 5512 else | |
| 5513 *p++ = c; | |
| 5514 } | |
| 5515 | |
| 5516 *pp = p; | |
| 5517 return error; | |
| 5518 } | |
| 5519 | |
| 5520 /* | |
| 1948 | 5521 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5522 * 'encoding'. | |
| 7 | 5523 */ |
| 5524 static int | |
| 1948 | 5525 need_conversion(fenc) |
| 5526 char_u *fenc; | |
| 7 | 5527 { |
| 1948 | 5528 int same_encoding; |
| 5529 int enc_flags; | |
| 5530 int fenc_flags; | |
| 5531 | |
| 5532 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
| 5533 same_encoding = TRUE; | |
| 5534 else | |
| 5535 { | |
| 5536 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5537 * "ucs-4be", etc. */ | |
| 5538 enc_flags = get_fio_flags(p_enc); | |
| 5539 fenc_flags = get_fio_flags(fenc); | |
| 5540 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5541 } | |
| 5542 if (same_encoding) | |
| 5543 { | |
| 5544 /* Specified encoding matches with 'encoding'. This requires | |
| 5545 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5546 return enc_unicode != 0; | |
| 5547 } | |
| 5548 | |
| 5549 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5550 * Unicode encoding and the file is UTF-8. */ | |
| 5551 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5552 } |
| 5553 | |
| 5554 /* | |
| 5555 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5556 * internal conversion. | |
| 5557 * if "ptr" is an empty string, use 'encoding'. | |
| 5558 */ | |
| 5559 static int | |
| 5560 get_fio_flags(ptr) | |
| 5561 char_u *ptr; | |
| 5562 { | |
| 5563 int prop; | |
| 5564 | |
| 5565 if (*ptr == NUL) | |
| 5566 ptr = p_enc; | |
| 5567 | |
| 5568 prop = enc_canon_props(ptr); | |
| 5569 if (prop & ENC_UNICODE) | |
| 5570 { | |
| 5571 if (prop & ENC_2BYTE) | |
| 5572 { | |
| 5573 if (prop & ENC_ENDIAN_L) | |
| 5574 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5575 return FIO_UCS2; | |
| 5576 } | |
| 5577 if (prop & ENC_4BYTE) | |
| 5578 { | |
| 5579 if (prop & ENC_ENDIAN_L) | |
| 5580 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5581 return FIO_UCS4; | |
| 5582 } | |
| 5583 if (prop & ENC_2WORD) | |
| 5584 { | |
| 5585 if (prop & ENC_ENDIAN_L) | |
| 5586 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5587 return FIO_UTF16; | |
| 5588 } | |
| 5589 return FIO_UTF8; | |
| 5590 } | |
| 5591 if (prop & ENC_LATIN1) | |
| 5592 return FIO_LATIN1; | |
| 5593 /* must be ENC_DBCS, requires iconv() */ | |
| 5594 return 0; | |
| 5595 } | |
| 5596 | |
| 5597 #ifdef WIN3264 | |
| 5598 /* | |
| 5599 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5600 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5601 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5602 */ | |
| 5603 static int | |
| 5604 get_win_fio_flags(ptr) | |
| 5605 char_u *ptr; | |
| 5606 { | |
| 5607 int cp; | |
| 5608 | |
| 5609 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5610 if (!enc_utf8 && enc_codepage <= 0) | |
| 5611 return 0; | |
| 5612 | |
| 5613 cp = encname2codepage(ptr); | |
| 5614 if (cp == 0) | |
| 5615 { | |
| 5616 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5617 if (STRCMP(ptr, "utf-8") == 0) | |
| 5618 cp = CP_UTF8; | |
| 5619 else | |
| 5620 # endif | |
| 5621 return 0; | |
| 5622 } | |
| 5623 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5624 } | |
| 5625 #endif | |
| 5626 | |
| 5627 #ifdef MACOS_X | |
| 5628 /* | |
| 5629 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5630 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5631 */ | |
| 5632 static int | |
| 5633 get_mac_fio_flags(ptr) | |
| 5634 char_u *ptr; | |
| 5635 { | |
| 5636 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5637 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5638 return FIO_MACROMAN; | |
| 5639 return 0; | |
| 5640 } | |
| 5641 #endif | |
| 5642 | |
| 5643 /* | |
| 5644 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5645 * "size" must be at least 2. | |
| 5646 * Return the name of the encoding and set "*lenp" to the length. | |
| 5647 * Returns NULL when no BOM found. | |
| 5648 */ | |
| 5649 static char_u * | |
| 5650 check_for_bom(p, size, lenp, flags) | |
| 5651 char_u *p; | |
| 5652 long size; | |
| 5653 int *lenp; | |
| 5654 int flags; | |
| 5655 { | |
| 5656 char *name = NULL; | |
| 5657 int len = 2; | |
| 5658 | |
| 5659 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5660 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5661 { |
| 5662 name = "utf-8"; /* EF BB BF */ | |
| 5663 len = 3; | |
| 5664 } | |
| 5665 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5666 { | |
| 5667 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5668 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5669 { | |
| 5670 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5671 len = 4; | |
| 5672 } | |
| 1735 | 5673 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5674 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5675 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5676 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5677 name = "utf-16le"; /* FF FE */ |
| 5678 } | |
| 5679 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5680 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5681 { | |
| 1547 | 5682 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5683 if (flags == FIO_UCS2) | |
| 5684 name = "ucs-2"; /* FE FF */ | |
| 5685 else | |
| 7 | 5686 name = "utf-16"; /* FE FF */ |
| 5687 } | |
| 5688 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5689 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5690 { | |
| 5691 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5692 len = 4; | |
| 5693 } | |
| 5694 | |
| 5695 *lenp = len; | |
| 5696 return (char_u *)name; | |
| 5697 } | |
| 5698 | |
| 5699 /* | |
| 5700 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5701 * Return the length of the BOM (zero when no BOM). | |
| 5702 */ | |
| 5703 static int | |
| 5704 make_bom(buf, name) | |
| 5705 char_u *buf; | |
| 5706 char_u *name; | |
| 5707 { | |
| 5708 int flags; | |
| 5709 char_u *p; | |
| 5710 | |
| 5711 flags = get_fio_flags(name); | |
| 5712 | |
| 5713 /* Can't put a BOM in a non-Unicode file. */ | |
| 5714 if (flags == FIO_LATIN1 || flags == 0) | |
| 5715 return 0; | |
| 5716 | |
| 5717 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 5718 { | |
| 5719 buf[0] = 0xef; | |
| 5720 buf[1] = 0xbb; | |
| 5721 buf[2] = 0xbf; | |
| 5722 return 3; | |
| 5723 } | |
| 5724 p = buf; | |
| 5725 (void)ucs2bytes(0xfeff, &p, flags); | |
| 5726 return (int)(p - buf); | |
| 5727 } | |
| 5728 #endif | |
| 5729 | |
| 1418 | 5730 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 5731 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 5732 /* |
| 5733 * Try to find a shortname by comparing the fullname with the current | |
| 5734 * directory. | |
| 1411 | 5735 * Returns "full_path" or pointer into "full_path" if shortened. |
| 5736 */ | |
| 5737 char_u * | |
| 5738 shorten_fname1(full_path) | |
| 5739 char_u *full_path; | |
| 5740 { | |
| 5741 char_u dirname[MAXPATHL]; | |
| 5742 char_u *p = full_path; | |
| 5743 | |
| 5744 if (mch_dirname(dirname, MAXPATHL) == OK) | |
| 5745 { | |
| 5746 p = shorten_fname(full_path, dirname); | |
| 5747 if (p == NULL || *p == NUL) | |
| 5748 p = full_path; | |
| 5749 } | |
| 5750 return p; | |
| 5751 } | |
| 1418 | 5752 #endif |
| 1411 | 5753 |
| 5754 /* | |
| 5755 * Try to find a shortname by comparing the fullname with the current | |
| 5756 * directory. | |
| 7 | 5757 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 5758 * otherwise. | |
| 5759 */ | |
| 5760 char_u * | |
| 5761 shorten_fname(full_path, dir_name) | |
| 5762 char_u *full_path; | |
| 5763 char_u *dir_name; | |
| 5764 { | |
| 5765 int len; | |
| 5766 char_u *p; | |
| 5767 | |
| 5768 if (full_path == NULL) | |
| 5769 return NULL; | |
| 5770 len = (int)STRLEN(dir_name); | |
| 5771 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 5772 { | |
| 5773 p = full_path + len; | |
| 5774 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5775 /* | |
| 5776 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 5777 * slash, since C: by itself does not define a specific dir. In this | |
| 5778 * case p may already be correct. <negri> | |
| 5779 */ | |
| 5780 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 5781 #endif | |
| 5782 { | |
| 5783 if (vim_ispathsep(*p)) | |
| 5784 ++p; | |
| 5785 #ifndef VMS /* the path separator is always part of the path */ | |
| 5786 else | |
| 5787 p = NULL; | |
| 5788 #endif | |
| 5789 } | |
| 5790 } | |
| 5791 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5792 /* | |
| 5793 * When using a file in the current drive, remove the drive name: | |
| 5794 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 5795 * a floppy from "A:\dir" to "B:\dir". | |
| 5796 */ | |
| 5797 else if (len > 3 | |
| 5798 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 5799 && full_path[1] == ':' | |
| 5800 && vim_ispathsep(full_path[2])) | |
| 5801 p = full_path + 2; | |
| 5802 #endif | |
| 5803 else | |
| 5804 p = NULL; | |
| 5805 return p; | |
| 5806 } | |
| 5807 | |
| 5808 /* | |
| 5809 * Shorten filenames for all buffers. | |
| 5810 * When "force" is TRUE: Use full path from now on for files currently being | |
| 5811 * edited, both for file name and swap file name. Try to shorten the file | |
| 5812 * names a bit, if safe to do so. | |
| 5813 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 5814 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 5815 * name. | |
| 5816 */ | |
| 5817 void | |
| 5818 shorten_fnames(force) | |
| 5819 int force; | |
| 5820 { | |
| 5821 char_u dirname[MAXPATHL]; | |
| 5822 buf_T *buf; | |
| 5823 char_u *p; | |
| 5824 | |
| 5825 mch_dirname(dirname, MAXPATHL); | |
| 5826 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 5827 { | |
| 5828 if (buf->b_fname != NULL | |
| 5829 #ifdef FEAT_QUICKFIX | |
| 5830 && !bt_nofile(buf) | |
| 5831 #endif | |
| 5832 && !path_with_url(buf->b_fname) | |
| 5833 && (force | |
| 5834 || buf->b_sfname == NULL | |
| 5835 || mch_isFullName(buf->b_sfname))) | |
| 5836 { | |
| 5837 vim_free(buf->b_sfname); | |
| 5838 buf->b_sfname = NULL; | |
| 5839 p = shorten_fname(buf->b_ffname, dirname); | |
| 5840 if (p != NULL) | |
| 5841 { | |
| 5842 buf->b_sfname = vim_strsave(p); | |
| 5843 buf->b_fname = buf->b_sfname; | |
| 5844 } | |
| 5845 if (p == NULL || buf->b_fname == NULL) | |
| 5846 buf->b_fname = buf->b_ffname; | |
| 9 | 5847 } |
| 5848 | |
| 5849 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 5850 * also have a swap file. */ | |
| 5851 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 5852 } |
| 5853 #ifdef FEAT_WINDOWS | |
| 5854 status_redraw_all(); | |
| 672 | 5855 redraw_tabline = TRUE; |
| 7 | 5856 #endif |
| 5857 } | |
| 5858 | |
| 5859 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 5860 || defined(FEAT_GUI_MSWIN) \ | |
| 5861 || defined(FEAT_GUI_MAC) \ | |
| 5862 || defined(PROTO) | |
| 5863 /* | |
| 5864 * Shorten all filenames in "fnames[count]" by current directory. | |
| 5865 */ | |
| 5866 void | |
| 5867 shorten_filenames(fnames, count) | |
| 5868 char_u **fnames; | |
| 5869 int count; | |
| 5870 { | |
| 5871 int i; | |
| 5872 char_u dirname[MAXPATHL]; | |
| 5873 char_u *p; | |
| 5874 | |
| 5875 if (fnames == NULL || count < 1) | |
| 5876 return; | |
| 5877 mch_dirname(dirname, sizeof(dirname)); | |
| 5878 for (i = 0; i < count; ++i) | |
| 5879 { | |
| 5880 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 5881 { | |
| 5882 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 5883 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 5884 * "p" first then free fnames[i]. */ | |
| 5885 p = vim_strsave(p); | |
| 5886 vim_free(fnames[i]); | |
| 5887 fnames[i] = p; | |
| 5888 } | |
| 5889 } | |
| 5890 } | |
| 5891 #endif | |
| 5892 | |
| 5893 /* | |
| 1651 | 5894 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 5895 * fo_o_h.ext for MSDOS or when shortname option set. |
| 5896 * | |
| 5897 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 5898 * the return value is a different name and ends in 'ext'. | |
| 5899 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 5900 * characters otherwise. | |
| 5901 * Space for the returned name is allocated, must be freed later. | |
| 5902 * Returns NULL when out of memory. | |
| 5903 */ | |
| 5904 char_u * | |
| 5905 modname(fname, ext, prepend_dot) | |
| 5906 char_u *fname, *ext; | |
| 5907 int prepend_dot; /* may prepend a '.' to file name */ | |
| 5908 { | |
| 5909 return buf_modname( | |
| 5910 #ifdef SHORT_FNAME | |
| 5911 TRUE, | |
| 5912 #else | |
| 5913 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 5914 #endif | |
| 5915 fname, ext, prepend_dot); | |
| 5916 } | |
| 5917 | |
| 5918 char_u * | |
| 5919 buf_modname(shortname, fname, ext, prepend_dot) | |
| 5920 int shortname; /* use 8.3 file name */ | |
| 5921 char_u *fname, *ext; | |
| 5922 int prepend_dot; /* may prepend a '.' to file name */ | |
| 5923 { | |
| 5924 char_u *retval; | |
| 5925 char_u *s; | |
| 5926 char_u *e; | |
| 5927 char_u *ptr; | |
| 5928 int fnamelen, extlen; | |
| 5929 | |
| 5930 extlen = (int)STRLEN(ext); | |
| 5931 | |
| 5932 /* | |
| 5933 * If there is no file name we must get the name of the current directory | |
| 5934 * (we need the full path in case :cd is used). | |
| 5935 */ | |
| 5936 if (fname == NULL || *fname == NUL) | |
| 5937 { | |
| 5938 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 5939 if (retval == NULL) | |
| 5940 return NULL; | |
| 5941 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 5942 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 5943 { | |
| 5944 vim_free(retval); | |
| 5945 return NULL; | |
| 5946 } | |
| 39 | 5947 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 5948 { |
| 5949 retval[fnamelen++] = PATHSEP; | |
| 5950 retval[fnamelen] = NUL; | |
| 5951 } | |
| 5952 #ifndef SHORT_FNAME | |
| 5953 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 5954 #endif | |
| 5955 } | |
| 5956 else | |
| 5957 { | |
| 5958 fnamelen = (int)STRLEN(fname); | |
| 5959 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 5960 if (retval == NULL) | |
| 5961 return NULL; | |
| 5962 STRCPY(retval, fname); | |
| 5963 #ifdef VMS | |
| 5964 vms_remove_version(retval); /* we do not need versions here */ | |
| 5965 #endif | |
| 5966 } | |
| 5967 | |
| 5968 /* | |
| 5969 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 5970 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 5971 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 5972 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 5973 */ | |
| 391 | 5974 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 5975 { |
| 5976 #ifndef RISCOS | |
| 5977 if (*ext == '.' | |
| 391 | 5978 # ifdef USE_LONG_FNAME |
| 7 | 5979 && (!USE_LONG_FNAME || shortname) |
| 391 | 5980 # else |
| 5981 # ifndef SHORT_FNAME | |
| 7 | 5982 && shortname |
| 391 | 5983 # endif |
| 7 | 5984 # endif |
| 5985 ) | |
| 5986 if (*ptr == '.') /* replace '.' by '_' */ | |
| 5987 *ptr = '_'; | |
| 391 | 5988 #endif |
| 7 | 5989 if (vim_ispathsep(*ptr)) |
| 391 | 5990 { |
| 5991 ++ptr; | |
| 7 | 5992 break; |
| 391 | 5993 } |
| 5994 } | |
| 7 | 5995 |
| 5996 /* the file name has at most BASENAMELEN characters. */ | |
| 5997 #ifndef SHORT_FNAME | |
| 5998 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 5999 ptr[BASENAMELEN] = '\0'; | |
| 6000 #endif | |
| 6001 | |
| 6002 s = ptr + STRLEN(ptr); | |
| 6003 | |
| 6004 /* | |
| 6005 * For 8.3 file names we may have to reduce the length. | |
| 6006 */ | |
| 6007 #ifdef USE_LONG_FNAME | |
| 6008 if (!USE_LONG_FNAME || shortname) | |
| 6009 #else | |
| 6010 # ifndef SHORT_FNAME | |
| 6011 if (shortname) | |
| 6012 # endif | |
| 6013 #endif | |
| 6014 { | |
| 6015 /* | |
| 6016 * If there is no file name, or the file name ends in '/', and the | |
| 6017 * extension starts with '.', put a '_' before the dot, because just | |
| 6018 * ".ext" is invalid. | |
| 6019 */ | |
| 6020 if (fname == NULL || *fname == NUL | |
| 6021 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6022 { | |
| 6023 #ifdef RISCOS | |
| 6024 if (*ext == '/') | |
| 6025 #else | |
| 6026 if (*ext == '.') | |
| 6027 #endif | |
| 6028 *s++ = '_'; | |
| 6029 } | |
| 6030 /* | |
| 6031 * If the extension starts with '.', truncate the base name at 8 | |
| 6032 * characters | |
| 6033 */ | |
| 6034 #ifdef RISCOS | |
| 6035 /* We normally use '/', but swap files are '_' */ | |
| 6036 else if (*ext == '/' || *ext == '_') | |
| 6037 #else | |
| 6038 else if (*ext == '.') | |
| 6039 #endif | |
| 6040 { | |
| 1877 | 6041 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6042 { |
| 6043 s = ptr + 8; | |
| 6044 *s = '\0'; | |
| 6045 } | |
| 6046 } | |
| 6047 /* | |
| 6048 * If the extension doesn't start with '.', and the file name | |
| 6049 * doesn't have an extension yet, append a '.' | |
| 6050 */ | |
| 6051 #ifdef RISCOS | |
| 6052 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
| 6053 *s++ = '/'; | |
| 6054 #else | |
| 6055 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6056 *s++ = '.'; | |
| 6057 #endif | |
| 6058 /* | |
| 6059 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6060 * extension, it may need to be truncated |
| 7 | 6061 */ |
| 6062 else if ((int)STRLEN(e) + extlen > 4) | |
| 6063 s = e + 4 - extlen; | |
| 6064 } | |
| 6065 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6066 /* | |
| 6067 * If there is no file name, and the extension starts with '.', put a | |
| 6068 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6069 * FAT partition, and on HPFS it doesn't matter. | |
| 6070 */ | |
| 6071 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6072 *s++ = '_'; | |
| 6073 #endif | |
| 6074 | |
| 6075 /* | |
| 1651 | 6076 * Append the extension. |
| 7 | 6077 * ext can start with '.' and cannot exceed 3 more characters. |
| 6078 */ | |
| 6079 STRCPY(s, ext); | |
| 6080 | |
| 6081 #ifndef SHORT_FNAME | |
| 6082 /* | |
| 6083 * Prepend the dot. | |
| 6084 */ | |
| 6085 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
| 6086 #ifdef RISCOS | |
| 6087 '/' | |
| 6088 #else | |
| 6089 '.' | |
| 6090 #endif | |
| 6091 #ifdef USE_LONG_FNAME | |
| 6092 && USE_LONG_FNAME | |
| 6093 #endif | |
| 6094 ) | |
| 6095 { | |
| 1620 | 6096 STRMOVE(e + 1, e); |
| 7 | 6097 #ifdef RISCOS |
| 6098 *e = '/'; | |
| 6099 #else | |
| 6100 *e = '.'; | |
| 6101 #endif | |
| 6102 } | |
| 6103 #endif | |
| 6104 | |
| 6105 /* | |
| 6106 * Check that, after appending the extension, the file name is really | |
| 6107 * different. | |
| 6108 */ | |
| 6109 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6110 { | |
| 6111 /* we search for a character that can be replaced by '_' */ | |
| 6112 while (--s >= ptr) | |
| 6113 { | |
| 6114 if (*s != '_') | |
| 6115 { | |
| 6116 *s = '_'; | |
| 6117 break; | |
| 6118 } | |
| 6119 } | |
| 6120 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6121 *ptr = 'v'; | |
| 6122 } | |
| 6123 return retval; | |
| 6124 } | |
| 6125 | |
| 6126 /* | |
| 6127 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6128 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6129 */ | |
| 6130 int | |
| 6131 vim_fgets(buf, size, fp) | |
| 6132 char_u *buf; | |
| 6133 int size; | |
| 6134 FILE *fp; | |
| 6135 { | |
| 6136 char *eof; | |
| 6137 #define FGETS_SIZE 200 | |
| 6138 char tbuf[FGETS_SIZE]; | |
| 6139 | |
| 6140 buf[size - 2] = NUL; | |
| 6141 #ifdef USE_CR | |
| 6142 eof = fgets_cr((char *)buf, size, fp); | |
| 6143 #else | |
| 6144 eof = fgets((char *)buf, size, fp); | |
| 6145 #endif | |
| 6146 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6147 { | |
| 6148 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6149 | |
| 6150 /* Now throw away the rest of the line: */ | |
| 6151 do | |
| 6152 { | |
| 6153 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6154 #ifdef USE_CR | |
| 1757 | 6155 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6156 #else |
| 1757 | 6157 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6158 #endif |
| 6159 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6160 } | |
| 6161 return (eof == NULL); | |
| 6162 } | |
| 6163 | |
| 6164 #if defined(USE_CR) || defined(PROTO) | |
| 6165 /* | |
| 6166 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6167 * Returns TRUE for end-of-file. | |
| 6168 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6169 */ | |
| 6170 int | |
| 6171 tag_fgets(buf, size, fp) | |
| 6172 char_u *buf; | |
| 6173 int size; | |
| 6174 FILE *fp; | |
| 6175 { | |
| 6176 int i = 0; | |
| 6177 int c; | |
| 6178 int eof = FALSE; | |
| 6179 | |
| 6180 for (;;) | |
| 6181 { | |
| 6182 c = fgetc(fp); | |
| 6183 if (c == EOF) | |
| 6184 { | |
| 6185 eof = TRUE; | |
| 6186 break; | |
| 6187 } | |
| 6188 if (c == '\r') | |
| 6189 { | |
| 6190 /* Always store a NL for end-of-line. */ | |
| 6191 if (i < size - 1) | |
| 6192 buf[i++] = '\n'; | |
| 6193 c = fgetc(fp); | |
| 6194 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6195 ungetc(c, fp); | |
| 6196 break; | |
| 6197 } | |
| 6198 if (i < size - 1) | |
| 6199 buf[i++] = c; | |
| 6200 if (c == '\n') | |
| 6201 break; | |
| 6202 } | |
| 6203 buf[i] = NUL; | |
| 6204 return eof; | |
| 6205 } | |
| 6206 #endif | |
| 6207 | |
| 6208 /* | |
| 6209 * rename() only works if both files are on the same file system, this | |
| 6210 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6211 * Return -1 for failure, 0 for success. | |
| 6212 */ | |
| 6213 int | |
| 6214 vim_rename(from, to) | |
| 6215 char_u *from; | |
| 6216 char_u *to; | |
| 6217 { | |
| 6218 int fd_in; | |
| 6219 int fd_out; | |
| 6220 int n; | |
| 6221 char *errmsg = NULL; | |
| 6222 char *buffer; | |
| 6223 #ifdef AMIGA | |
| 6224 BPTR flock; | |
| 6225 #endif | |
| 6226 struct stat st; | |
| 194 | 6227 long perm; |
| 199 | 6228 #ifdef HAVE_ACL |
| 6229 vim_acl_T acl; /* ACL from original file */ | |
| 6230 #endif | |
| 1779 | 6231 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
| 6232 int use_tmp_file = FALSE; | |
| 6233 #endif | |
| 7 | 6234 |
| 6235 /* | |
| 1779 | 6236 * When the names are identical, there is nothing to do. When they refer |
| 6237 * to the same file (ignoring case and slash/backslash differences) but | |
| 6238 * the file name differs we need to go through a temp file. | |
| 7 | 6239 */ |
| 6240 if (fnamecmp(from, to) == 0) | |
| 1779 | 6241 { |
| 6242 #ifdef CASE_INSENSITIVE_FILENAME | |
| 6243 if (STRCMP(gettail(from), gettail(to)) != 0) | |
| 6244 use_tmp_file = TRUE; | |
| 6245 else | |
| 6246 #endif | |
| 6247 return 0; | |
| 6248 } | |
| 7 | 6249 |
| 6250 /* | |
| 6251 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6252 */ | |
| 6253 if (mch_stat((char *)from, &st) < 0) | |
| 6254 return -1; | |
| 6255 | |
| 1778 | 6256 #ifdef UNIX |
| 6257 { | |
| 6258 struct stat st_to; | |
| 6259 | |
| 6260 /* It's possible for the source and destination to be the same file. | |
| 6261 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6262 * filesystem. In that case go through a temp file name. */ | |
| 6263 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6264 && st.st_dev == st_to.st_dev | |
| 6265 && st.st_ino == st_to.st_ino) | |
| 1779 | 6266 use_tmp_file = TRUE; |
| 6267 } | |
| 6268 #endif | |
| 6269 | |
| 6270 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
| 6271 if (use_tmp_file) | |
| 6272 { | |
| 6273 char tempname[MAXPATHL + 1]; | |
| 6274 | |
| 6275 /* | |
| 6276 * Find a name that doesn't exist and is in the same directory. | |
| 6277 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6278 */ | |
| 6279 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6280 return -1; | |
| 6281 STRCPY(tempname, from); | |
| 6282 for (n = 123; n < 99999; ++n) | |
| 6283 { | |
| 6284 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6285 if (mch_stat(tempname, &st) < 0) | |
| 6286 { | |
| 6287 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6288 { |
| 1779 | 6289 if (mch_rename(tempname, (char *)to) == 0) |
| 6290 return 0; | |
| 6291 /* Strange, the second step failed. Try moving the | |
| 6292 * file back and return failure. */ | |
| 6293 mch_rename(tempname, (char *)from); | |
| 1778 | 6294 return -1; |
| 6295 } | |
| 1779 | 6296 /* If it fails for one temp name it will most likely fail |
| 6297 * for any temp name, give up. */ | |
| 6298 return -1; | |
| 6299 } | |
| 6300 } | |
| 6301 return -1; | |
| 1778 | 6302 } |
| 6303 #endif | |
| 6304 | |
| 7 | 6305 /* |
| 6306 * Delete the "to" file, this is required on some systems to make the | |
| 6307 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6308 * two files when the mch_rename() fails. | |
| 6309 */ | |
| 6310 | |
| 6311 #ifdef AMIGA | |
| 6312 /* | |
| 6313 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6314 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6315 * though the names are different. To avoid the chance of accidentally |
| 7 | 6316 * deleting the "from" file (horror!) we lock it during the remove. |
| 6317 * | |
| 6318 * When used for making a backup before writing the file: This should not | |
| 6319 * happen with ":w", because startscript() should detect this problem and | |
| 6320 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6321 * name. This problem does exist with ":w filename", but then the | |
| 6322 * original file will be somewhere else so the backup isn't really | |
| 6323 * important. If autoscripting is off the rename may fail. | |
| 6324 */ | |
| 6325 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6326 #endif | |
| 6327 mch_remove(to); | |
| 6328 #ifdef AMIGA | |
| 6329 if (flock) | |
| 6330 UnLock(flock); | |
| 6331 #endif | |
| 6332 | |
| 6333 /* | |
| 6334 * First try a normal rename, return if it works. | |
| 6335 */ | |
| 6336 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6337 return 0; | |
| 6338 | |
| 6339 /* | |
| 6340 * Rename() failed, try copying the file. | |
| 6341 */ | |
| 194 | 6342 perm = mch_getperm(from); |
| 199 | 6343 #ifdef HAVE_ACL |
| 6344 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6345 acl = mch_get_acl(from); | |
| 6346 #endif | |
| 7 | 6347 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6348 if (fd_in == -1) | |
| 1651 | 6349 { |
| 6350 #ifdef HAVE_ACL | |
| 6351 mch_free_acl(acl); | |
| 6352 #endif | |
| 7 | 6353 return -1; |
| 1651 | 6354 } |
| 194 | 6355 |
| 6356 /* Create the new file with same permissions as the original. */ | |
| 557 | 6357 fd_out = mch_open((char *)to, |
| 6358 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6359 if (fd_out == -1) |
| 6360 { | |
| 6361 close(fd_in); | |
| 1651 | 6362 #ifdef HAVE_ACL |
| 6363 mch_free_acl(acl); | |
| 6364 #endif | |
| 7 | 6365 return -1; |
| 6366 } | |
| 6367 | |
| 6368 buffer = (char *)alloc(BUFSIZE); | |
| 6369 if (buffer == NULL) | |
| 6370 { | |
| 1651 | 6371 close(fd_out); |
| 7 | 6372 close(fd_in); |
| 1651 | 6373 #ifdef HAVE_ACL |
| 6374 mch_free_acl(acl); | |
| 6375 #endif | |
| 7 | 6376 return -1; |
| 6377 } | |
| 6378 | |
| 6379 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0) | |
| 6380 if (vim_write(fd_out, buffer, n) != n) | |
| 6381 { | |
| 6382 errmsg = _("E208: Error writing to \"%s\""); | |
| 6383 break; | |
| 6384 } | |
| 6385 | |
| 6386 vim_free(buffer); | |
| 6387 close(fd_in); | |
| 6388 if (close(fd_out) < 0) | |
| 6389 errmsg = _("E209: Error closing \"%s\""); | |
| 6390 if (n < 0) | |
| 6391 { | |
| 6392 errmsg = _("E210: Error reading \"%s\""); | |
| 6393 to = from; | |
| 6394 } | |
| 1201 | 6395 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6396 mch_setperm(to, perm); |
| 570 | 6397 #endif |
| 199 | 6398 #ifdef HAVE_ACL |
| 6399 mch_set_acl(to, acl); | |
| 1651 | 6400 mch_free_acl(acl); |
| 199 | 6401 #endif |
| 7 | 6402 if (errmsg != NULL) |
| 6403 { | |
| 6404 EMSG2(errmsg, to); | |
| 6405 return -1; | |
| 6406 } | |
| 6407 mch_remove(from); | |
| 6408 return 0; | |
| 6409 } | |
| 6410 | |
| 6411 static int already_warned = FALSE; | |
| 6412 | |
| 6413 /* | |
| 6414 * Check if any not hidden buffer has been changed. | |
| 6415 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6416 * command is being executed, a mapping is being executed or an autocommand is | |
| 6417 * busy. | |
| 6418 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6419 * cursor positioned). | |
| 6420 */ | |
| 6421 int | |
| 6422 check_timestamps(focus) | |
| 6423 int focus; /* called for GUI focus event */ | |
| 6424 { | |
| 6425 buf_T *buf; | |
| 6426 int didit = 0; | |
| 6427 int n; | |
| 6428 | |
| 6429 /* Don't check timestamps while system() or another low-level function may | |
| 6430 * cause us to lose and gain focus. */ | |
| 6431 if (no_check_timestamps > 0) | |
| 6432 return FALSE; | |
| 6433 | |
| 6434 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6435 * event and we would keep on checking if the file is steadily growing. | |
| 6436 * Do check again after typing something. */ | |
| 6437 if (focus && did_check_timestamps) | |
| 6438 { | |
| 6439 need_check_timestamps = TRUE; | |
| 6440 return FALSE; | |
| 6441 } | |
| 6442 | |
| 6443 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6444 #ifdef FEAT_AUTOCMD | |
| 1834 | 6445 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6446 #endif |
| 6447 ) | |
| 6448 need_check_timestamps = TRUE; /* check later */ | |
| 6449 else | |
| 6450 { | |
| 6451 ++no_wait_return; | |
| 6452 did_check_timestamps = TRUE; | |
| 6453 already_warned = FALSE; | |
| 6454 for (buf = firstbuf; buf != NULL; ) | |
| 6455 { | |
| 6456 /* Only check buffers in a window. */ | |
| 6457 if (buf->b_nwindows > 0) | |
| 6458 { | |
| 6459 n = buf_check_timestamp(buf, focus); | |
| 6460 if (didit < n) | |
| 6461 didit = n; | |
| 6462 if (n > 0 && !buf_valid(buf)) | |
| 6463 { | |
| 6464 /* Autocommands have removed the buffer, start at the | |
| 6465 * first one again. */ | |
| 6466 buf = firstbuf; | |
| 6467 continue; | |
| 6468 } | |
| 6469 } | |
| 6470 buf = buf->b_next; | |
| 6471 } | |
| 6472 --no_wait_return; | |
| 6473 need_check_timestamps = FALSE; | |
| 6474 if (need_wait_return && didit == 2) | |
| 6475 { | |
| 6476 /* make sure msg isn't overwritten */ | |
| 6477 msg_puts((char_u *)"\n"); | |
| 6478 out_flush(); | |
| 6479 } | |
| 6480 } | |
| 6481 return didit; | |
| 6482 } | |
| 6483 | |
| 6484 /* | |
| 6485 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6486 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6487 * empty. | |
| 6488 */ | |
| 6489 static int | |
| 6490 move_lines(frombuf, tobuf) | |
| 6491 buf_T *frombuf; | |
| 6492 buf_T *tobuf; | |
| 6493 { | |
| 6494 buf_T *tbuf = curbuf; | |
| 6495 int retval = OK; | |
| 6496 linenr_T lnum; | |
| 6497 char_u *p; | |
| 6498 | |
| 6499 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6500 curbuf = tobuf; | |
| 6501 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6502 { | |
| 6503 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6504 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6505 { | |
| 6506 vim_free(p); | |
| 6507 retval = FAIL; | |
| 6508 break; | |
| 6509 } | |
| 6510 vim_free(p); | |
| 6511 } | |
| 6512 | |
| 6513 /* Delete all the lines in "frombuf". */ | |
| 6514 if (retval != FAIL) | |
| 6515 { | |
| 6516 curbuf = frombuf; | |
| 1055 | 6517 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6518 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6519 { |
| 6520 /* Oops! We could try putting back the saved lines, but that | |
| 6521 * might fail again... */ | |
| 6522 retval = FAIL; | |
| 6523 break; | |
| 6524 } | |
| 6525 } | |
| 6526 | |
| 6527 curbuf = tbuf; | |
| 6528 return retval; | |
| 6529 } | |
| 6530 | |
| 6531 /* | |
| 6532 * Check if buffer "buf" has been changed. | |
| 6533 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6534 * return 1 if a changed buffer was found. | |
| 6535 * return 2 if a message has been displayed. | |
| 6536 * return 0 otherwise. | |
| 6537 */ | |
| 6538 int | |
| 6539 buf_check_timestamp(buf, focus) | |
| 6540 buf_T *buf; | |
| 1877 | 6541 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6542 { |
| 6543 struct stat st; | |
| 6544 int stat_res; | |
| 6545 int retval = 0; | |
| 6546 char_u *path; | |
| 6547 char_u *tbuf; | |
| 6548 char *mesg = NULL; | |
| 188 | 6549 char *mesg2 = ""; |
| 7 | 6550 int helpmesg = FALSE; |
| 6551 int reload = FALSE; | |
| 6552 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6553 int can_reload = FALSE; | |
| 6554 #endif | |
| 6555 size_t orig_size = buf->b_orig_size; | |
| 6556 int orig_mode = buf->b_orig_mode; | |
| 6557 #ifdef FEAT_GUI | |
| 6558 int save_mouse_correct = need_mouse_correct; | |
| 6559 #endif | |
| 6560 #ifdef FEAT_AUTOCMD | |
| 6561 static int busy = FALSE; | |
| 179 | 6562 int n; |
| 6563 char_u *s; | |
| 6564 #endif | |
| 6565 char *reason; | |
| 7 | 6566 |
| 6567 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6568 * set, we are in the middle of a save or being called recursively: ignore | |
| 6569 * this buffer. */ | |
| 6570 if (buf->b_ffname == NULL | |
| 6571 || buf->b_ml.ml_mfp == NULL | |
| 6572 #if defined(FEAT_QUICKFIX) | |
| 6573 || *buf->b_p_bt != NUL | |
| 6574 #endif | |
| 6575 || buf->b_saving | |
| 6576 #ifdef FEAT_AUTOCMD | |
| 6577 || busy | |
| 6578 #endif | |
| 33 | 6579 #ifdef FEAT_NETBEANS_INTG |
| 6580 || isNetbeansBuffer(buf) | |
| 6581 #endif | |
| 7 | 6582 ) |
| 6583 return 0; | |
| 6584 | |
| 6585 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6586 && buf->b_mtime != 0 | |
| 6587 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6588 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6589 #ifdef HAVE_ST_MODE | |
| 6590 || (int)st.st_mode != buf->b_orig_mode | |
| 6591 #else | |
| 6592 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6593 #endif | |
| 6594 )) | |
| 6595 { | |
| 6596 retval = 1; | |
| 6597 | |
| 628 | 6598 /* set b_mtime to stop further warnings (e.g., when executing |
| 6599 * FileChangedShell autocmd) */ | |
| 7 | 6600 if (stat_res < 0) |
| 6601 { | |
| 6602 buf->b_mtime = 0; | |
| 6603 buf->b_orig_size = 0; | |
| 6604 buf->b_orig_mode = 0; | |
| 6605 } | |
| 6606 else | |
| 6607 buf_store_time(buf, &st, buf->b_ffname); | |
| 6608 | |
| 6609 /* Don't do anything for a directory. Might contain the file | |
| 6610 * explorer. */ | |
| 6611 if (mch_isdir(buf->b_fname)) | |
| 6612 ; | |
| 6613 | |
| 6614 /* | |
| 6615 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6616 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6617 * was set, the global option value otherwise. | |
| 6618 */ | |
| 6619 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6620 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6621 reload = TRUE; | |
| 6622 else | |
| 6623 { | |
| 179 | 6624 if (stat_res < 0) |
| 6625 reason = "deleted"; | |
| 6626 else if (bufIsChanged(buf)) | |
| 6627 reason = "conflict"; | |
| 6628 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6629 reason = "changed"; | |
| 6630 else if (orig_mode != buf->b_orig_mode) | |
| 6631 reason = "mode"; | |
| 6632 else | |
| 6633 reason = "time"; | |
| 6634 | |
| 7 | 6635 #ifdef FEAT_AUTOCMD |
| 6636 /* | |
| 6637 * Only give the warning if there are no FileChangedShell | |
| 6638 * autocommands. | |
| 6639 * Avoid being called recursively by setting "busy". | |
| 6640 */ | |
| 6641 busy = TRUE; | |
| 532 | 6642 # ifdef FEAT_EVAL |
| 179 | 6643 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6644 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6645 # endif |
| 1834 | 6646 ++allbuf_lock; |
| 7 | 6647 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6648 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6649 --allbuf_lock; |
| 7 | 6650 busy = FALSE; |
| 6651 if (n) | |
| 6652 { | |
| 6653 if (!buf_valid(buf)) | |
| 6654 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6655 # ifdef FEAT_EVAL |
| 179 | 6656 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6657 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6658 reload = TRUE; | |
| 6659 else if (STRCMP(s, "ask") == 0) | |
| 6660 n = FALSE; | |
| 6661 else | |
| 532 | 6662 # endif |
| 179 | 6663 return 2; |
| 7 | 6664 } |
| 179 | 6665 if (!n) |
| 7 | 6666 #endif |
| 6667 { | |
| 179 | 6668 if (*reason == 'd') |
| 6669 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6670 else |
| 6671 { | |
| 6672 helpmesg = TRUE; | |
| 6673 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6674 can_reload = TRUE; | |
| 6675 #endif | |
| 6676 /* | |
| 6677 * Check if the file contents really changed to avoid | |
| 6678 * giving a warning when only the timestamp was set (e.g., | |
| 6679 * checked out of CVS). Always warn when the buffer was | |
| 6680 * changed. | |
| 6681 */ | |
| 179 | 6682 if (reason[2] == 'n') |
| 6683 { | |
| 7 | 6684 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6685 mesg2 = _("See \":help W12\" for more info."); |
| 6686 } | |
| 6687 else if (reason[1] == 'h') | |
| 6688 { | |
| 7 | 6689 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6690 mesg2 = _("See \":help W11\" for more info."); |
| 6691 } | |
| 6692 else if (*reason == 'm') | |
| 6693 { | |
| 7 | 6694 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6695 mesg2 = _("See \":help W16\" for more info."); |
| 6696 } | |
| 1913 | 6697 else |
| 6698 /* Only timestamp changed, store it to avoid a warning | |
| 6699 * in check_mtime() later. */ | |
| 6700 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 6701 } |
| 6702 } | |
| 6703 } | |
| 6704 | |
| 6705 } | |
| 6706 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 6707 && vim_fexists(buf->b_ffname)) | |
| 6708 { | |
| 6709 retval = 1; | |
| 6710 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 6711 buf->b_flags |= BF_NEW_W; | |
| 6712 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6713 can_reload = TRUE; | |
| 6714 #endif | |
| 6715 } | |
| 6716 | |
| 6717 if (mesg != NULL) | |
| 6718 { | |
| 6719 path = home_replace_save(buf, buf->b_fname); | |
| 6720 if (path != NULL) | |
| 6721 { | |
| 179 | 6722 if (!helpmesg) |
| 7 | 6723 mesg2 = ""; |
| 6724 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 6725 + STRLEN(mesg2) + 2)); | |
| 6726 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 6727 #ifdef FEAT_EVAL |
| 6728 /* Set warningmsg here, before the unimportant and output-specific | |
| 6729 * mesg2 has been appended. */ | |
| 6730 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 6731 #endif | |
| 7 | 6732 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 6733 if (can_reload) | |
| 6734 { | |
| 6735 if (*mesg2 != NUL) | |
| 6736 { | |
| 6737 STRCAT(tbuf, "\n"); | |
| 6738 STRCAT(tbuf, mesg2); | |
| 6739 } | |
| 6740 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 6741 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2) | |
| 6742 reload = TRUE; | |
| 6743 } | |
| 6744 else | |
| 6745 #endif | |
| 6746 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 6747 { | |
| 6748 if (*mesg2 != NUL) | |
| 6749 { | |
| 6750 STRCAT(tbuf, "; "); | |
| 6751 STRCAT(tbuf, mesg2); | |
| 6752 } | |
| 6753 EMSG(tbuf); | |
| 6754 retval = 2; | |
| 6755 } | |
| 6756 else | |
| 6757 { | |
| 8 | 6758 # ifdef FEAT_AUTOCMD |
| 7 | 6759 if (!autocmd_busy) |
| 8 | 6760 # endif |
| 7 | 6761 { |
| 6762 msg_start(); | |
| 6763 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 6764 if (*mesg2 != NUL) | |
| 6765 msg_puts_attr((char_u *)mesg2, | |
| 6766 hl_attr(HLF_W) + MSG_HIST); | |
| 6767 msg_clr_eos(); | |
| 6768 (void)msg_end(); | |
| 6769 if (emsg_silent == 0) | |
| 6770 { | |
| 6771 out_flush(); | |
| 8 | 6772 # ifdef FEAT_GUI |
| 7 | 6773 if (!focus) |
| 8 | 6774 # endif |
| 7 | 6775 /* give the user some time to think about it */ |
| 6776 ui_delay(1000L, TRUE); | |
| 6777 | |
| 6778 /* don't redraw and erase the message */ | |
| 6779 redraw_cmdline = FALSE; | |
| 6780 } | |
| 6781 } | |
| 6782 already_warned = TRUE; | |
| 6783 } | |
| 6784 | |
| 6785 vim_free(path); | |
| 6786 vim_free(tbuf); | |
| 6787 } | |
| 6788 } | |
| 6789 | |
| 6790 if (reload) | |
| 311 | 6791 /* Reload the buffer. */ |
| 628 | 6792 buf_reload(buf, orig_mode); |
| 7 | 6793 |
| 765 | 6794 #ifdef FEAT_AUTOCMD |
| 1620 | 6795 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 6796 if (buf_valid(buf) && retval != 0) | |
| 765 | 6797 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 6798 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 6799 #endif | |
| 7 | 6800 #ifdef FEAT_GUI |
| 6801 /* restore this in case an autocommand has set it; it would break | |
| 6802 * 'mousefocus' */ | |
| 6803 need_mouse_correct = save_mouse_correct; | |
| 6804 #endif | |
| 6805 | |
| 6806 return retval; | |
| 6807 } | |
| 6808 | |
| 311 | 6809 /* |
| 6810 * Reload a buffer that is already loaded. | |
| 6811 * Used when the file was changed outside of Vim. | |
| 628 | 6812 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 6813 * buf->b_orig_mode may have been reset already. | |
| 311 | 6814 */ |
| 6815 void | |
| 628 | 6816 buf_reload(buf, orig_mode) |
| 311 | 6817 buf_T *buf; |
| 628 | 6818 int orig_mode; |
| 311 | 6819 { |
| 6820 exarg_T ea; | |
| 6821 pos_T old_cursor; | |
| 6822 linenr_T old_topline; | |
| 6823 int old_ro = buf->b_p_ro; | |
| 6824 buf_T *savebuf; | |
| 6825 int saved = OK; | |
| 6826 aco_save_T aco; | |
| 6827 | |
| 6828 /* set curwin/curbuf for "buf" and save some things */ | |
| 6829 aucmd_prepbuf(&aco, buf); | |
| 6830 | |
| 6831 /* We only want to read the text from the file, not reset the syntax | |
| 6832 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 6833 * and encoding to be the same. */ | |
| 6834 if (prep_exarg(&ea, buf) == OK) | |
| 6835 { | |
| 6836 old_cursor = curwin->w_cursor; | |
| 6837 old_topline = curwin->w_topline; | |
| 6838 | |
| 6839 /* | |
| 6840 * To behave like when a new file is edited (matters for | |
| 6841 * BufReadPost autocommands) we first need to delete the current | |
| 6842 * buffer contents. But if reading the file fails we should keep | |
| 6843 * the old contents. Can't use memory only, the file might be | |
| 6844 * too big. Use a hidden buffer to move the buffer contents to. | |
| 6845 */ | |
| 6846 if (bufempty()) | |
| 6847 savebuf = NULL; | |
| 6848 else | |
| 6849 { | |
| 6850 /* Allocate a buffer without putting it in the buffer list. */ | |
| 6851 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 6852 if (savebuf != NULL && buf == curbuf) |
| 311 | 6853 { |
| 6854 /* Open the memline. */ | |
| 6855 curbuf = savebuf; | |
| 6856 curwin->w_buffer = savebuf; | |
| 625 | 6857 saved = ml_open(curbuf); |
| 311 | 6858 curbuf = buf; |
| 6859 curwin->w_buffer = buf; | |
| 6860 } | |
| 837 | 6861 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 6862 || move_lines(buf, savebuf) == FAIL) |
| 6863 { | |
| 6864 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 6865 buf->b_fname); | |
| 6866 saved = FAIL; | |
| 6867 } | |
| 6868 } | |
| 6869 | |
| 6870 if (saved == OK) | |
| 6871 { | |
| 6872 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 6873 #ifdef FEAT_AUTOCMD | |
| 6874 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 6875 #endif | |
| 6876 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 6877 (linenr_T)0, | |
| 6878 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL) | |
| 6879 { | |
| 6880 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 6881 if (!aborting()) | |
| 6882 #endif | |
| 6883 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 6884 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 6885 { |
| 6886 /* Put the text back from the save buffer. First | |
| 6887 * delete any lines that readfile() added. */ | |
| 6888 while (!bufempty()) | |
| 837 | 6889 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 6890 break; |
| 6891 (void)move_lines(savebuf, buf); | |
| 6892 } | |
| 6893 } | |
| 837 | 6894 else if (buf == curbuf) |
| 311 | 6895 { |
| 6896 /* Mark the buffer as unmodified and free undo info. */ | |
| 6897 unchanged(buf, TRUE); | |
| 6898 u_blockfree(buf); | |
| 6899 u_clearall(buf); | |
| 6900 } | |
| 6901 } | |
| 6902 vim_free(ea.cmd); | |
| 6903 | |
| 837 | 6904 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 6905 wipe_buffer(savebuf, FALSE); |
| 6906 | |
| 6907 #ifdef FEAT_DIFF | |
| 6908 /* Invalidate diff info if necessary. */ | |
| 837 | 6909 diff_invalidate(curbuf); |
| 311 | 6910 #endif |
| 6911 | |
| 6912 /* Restore the topline and cursor position and check it (lines may | |
| 6913 * have been removed). */ | |
| 6914 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 6915 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 6916 else | |
| 6917 curwin->w_topline = old_topline; | |
| 6918 curwin->w_cursor = old_cursor; | |
| 6919 check_cursor(); | |
| 6920 update_topline(); | |
| 6921 #ifdef FEAT_AUTOCMD | |
| 6922 keep_filetype = FALSE; | |
| 6923 #endif | |
| 6924 #ifdef FEAT_FOLDING | |
| 6925 { | |
| 1863 | 6926 win_T *wp; |
| 6927 tabpage_T *tp; | |
| 311 | 6928 |
| 6929 /* Update folds unless they are defined manually. */ | |
| 1863 | 6930 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 6931 if (wp->w_buffer == curwin->w_buffer |
| 6932 && !foldmethodIsManual(wp)) | |
| 6933 foldUpdateAll(wp); | |
| 6934 } | |
| 6935 #endif | |
| 6936 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 6937 * value; the user probably used the ":view" command. But don't | |
| 6938 * reset it, might have had a read error. */ | |
| 6939 if (orig_mode == curbuf->b_orig_mode) | |
| 6940 curbuf->b_p_ro |= old_ro; | |
| 6941 } | |
| 6942 | |
| 6943 /* restore curwin/curbuf and a few other things */ | |
| 6944 aucmd_restbuf(&aco); | |
| 6945 /* Careful: autocommands may have made "buf" invalid! */ | |
| 6946 } | |
| 6947 | |
| 7 | 6948 void |
| 6949 buf_store_time(buf, st, fname) | |
| 6950 buf_T *buf; | |
| 6951 struct stat *st; | |
| 1877 | 6952 char_u *fname UNUSED; |
| 7 | 6953 { |
| 6954 buf->b_mtime = (long)st->st_mtime; | |
| 6955 buf->b_orig_size = (size_t)st->st_size; | |
| 6956 #ifdef HAVE_ST_MODE | |
| 6957 buf->b_orig_mode = (int)st->st_mode; | |
| 6958 #else | |
| 6959 buf->b_orig_mode = mch_getperm(fname); | |
| 6960 #endif | |
| 6961 } | |
| 6962 | |
| 6963 /* | |
| 6964 * Adjust the line with missing eol, used for the next write. | |
| 6965 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 6966 */ | |
| 6967 void | |
| 6968 write_lnum_adjust(offset) | |
| 6969 linenr_T offset; | |
| 6970 { | |
| 167 | 6971 if (write_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7 | 6972 write_no_eol_lnum += offset; |
| 6973 } | |
| 6974 | |
| 6975 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 6976 static long temp_count = 0; /* Temp filename counter. */ | |
| 6977 | |
| 6978 /* | |
| 6979 * Delete the temp directory and all files it contains. | |
| 6980 */ | |
| 6981 void | |
| 6982 vim_deltempdir() | |
| 6983 { | |
| 6984 char_u **files; | |
| 6985 int file_count; | |
| 6986 int i; | |
| 6987 | |
| 6988 if (vim_tempdir != NULL) | |
| 6989 { | |
| 6990 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 6991 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 6992 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 6993 { | |
| 6994 for (i = 0; i < file_count; ++i) | |
| 6995 mch_remove(files[i]); | |
| 6996 FreeWild(file_count, files); | |
| 6997 } | |
| 6998 gettail(NameBuff)[-1] = NUL; | |
| 6999 (void)mch_rmdir(NameBuff); | |
| 7000 | |
| 7001 vim_free(vim_tempdir); | |
| 7002 vim_tempdir = NULL; | |
| 7003 } | |
| 7004 } | |
| 7005 #endif | |
| 7006 | |
| 2006 | 7007 #ifdef TEMPDIRNAMES |
| 7 | 7008 /* |
| 1997 | 7009 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7010 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7011 * "tempdir" must be no longer than MAXPATHL. | |
| 7012 */ | |
| 7013 static void | |
| 7014 vim_settempdir(tempdir) | |
| 7015 char_u *tempdir; | |
| 7016 { | |
| 7017 char_u *buf; | |
| 7018 | |
| 7019 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7020 if (buf != NULL) | |
| 7021 { | |
| 7022 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7023 STRCPY(buf, tempdir); | |
| 7024 # ifdef __EMX__ | |
| 7025 if (vim_strchr(buf, '/') != NULL) | |
| 7026 STRCAT(buf, "/"); | |
| 7027 else | |
| 7028 # endif | |
| 7029 add_pathsep(buf); | |
| 7030 vim_tempdir = vim_strsave(buf); | |
| 7031 vim_free(buf); | |
| 7032 } | |
| 7033 } | |
| 2006 | 7034 #endif |
| 1997 | 7035 |
| 7036 /* | |
| 7 | 7037 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7038 * | |
| 7039 * The temp file is NOT created. | |
| 7040 * | |
| 7041 * The returned pointer is to allocated memory. | |
| 7042 * The returned pointer is NULL if no valid name was found. | |
| 7043 */ | |
| 7044 char_u * | |
| 7045 vim_tempname(extra_char) | |
| 1877 | 7046 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7047 { |
| 7048 #ifdef USE_TMPNAM | |
| 7049 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7050 #else | |
| 7051 char_u itmp[TEMPNAMELEN]; | |
| 7052 #endif | |
| 7053 | |
| 7054 #ifdef TEMPDIRNAMES | |
| 7055 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7056 int i; | |
| 7057 # ifndef EEXIST | |
| 7058 struct stat st; | |
| 7059 # endif | |
| 7060 | |
| 7061 /* | |
| 7062 * This will create a directory for private use by this instance of Vim. | |
| 7063 * This is done once, and the same directory is used for all temp files. | |
| 7064 * This method avoids security problems because of symlink attacks et al. | |
| 7065 * It's also a bit faster, because we only need to check for an existing | |
| 7066 * file when creating the directory and not for each temp file. | |
| 7067 */ | |
| 7068 if (vim_tempdir == NULL) | |
| 7069 { | |
| 7070 /* | |
| 7071 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7072 */ | |
| 1877 | 7073 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7074 { |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7075 # ifndef HAVE_MKDTEMP |
| 1997 | 7076 size_t itmplen; |
| 7077 long nr; | |
| 7078 long off; | |
| 7079 # endif | |
| 7080 | |
| 7 | 7081 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7082 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7083 if (mch_isdir(itmp)) /* directory exists */ | |
| 7084 { | |
| 7085 # ifdef __EMX__ | |
| 7086 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7087 * tcsh), don't add a backslash, use a forward slash! | |
| 7088 * Adding 2 backslashes didn't work. */ | |
| 7089 if (vim_strchr(itmp, '/') != NULL) | |
| 7090 STRCAT(itmp, "/"); | |
| 7091 else | |
| 7092 # endif | |
| 7093 add_pathsep(itmp); | |
| 1997 | 7094 |
| 7095 # ifdef HAVE_MKDTEMP | |
| 7096 /* Leave room for filename */ | |
| 7097 STRCAT(itmp, "vXXXXXX"); | |
| 7098 if (mkdtemp((char *)itmp) != NULL) | |
| 7099 vim_settempdir(itmp); | |
| 7100 # else | |
| 7 | 7101 /* Get an arbitrary number of up to 6 digits. When it's |
| 7102 * unlikely that it already exists it will be faster, | |
| 7103 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7104 * security problems because of the predictable number. */ | |
| 7105 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
|
7106 itmplen = STRLEN(itmp); |
| 7 | 7107 |
| 7108 /* Try up to 10000 different values until we find a name that | |
| 7109 * doesn't exist. */ | |
| 7110 for (off = 0; off < 10000L; ++off) | |
| 7111 { | |
| 7112 int r; | |
| 1997 | 7113 # if defined(UNIX) || defined(VMS) |
| 7 | 7114 mode_t umask_save; |
| 1997 | 7115 # endif |
| 7116 | |
| 7117 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7118 # ifndef EEXIST | |
| 7 | 7119 /* If mkdir() does not set errno to EEXIST, check for |
| 7120 * existing file here. There is a race condition then, | |
| 7121 * although it's fail-safe. */ | |
| 7122 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7123 continue; | |
| 1997 | 7124 # endif |
| 7125 # if defined(UNIX) || defined(VMS) | |
| 7 | 7126 /* Make sure the umask doesn't remove the executable bit. |
| 7127 * "repl" has been reported to use "177". */ | |
| 7128 umask_save = umask(077); | |
| 1997 | 7129 # endif |
| 7 | 7130 r = vim_mkdir(itmp, 0700); |
| 1997 | 7131 # if defined(UNIX) || defined(VMS) |
| 7 | 7132 (void)umask(umask_save); |
| 1997 | 7133 # endif |
| 7 | 7134 if (r == 0) |
| 7135 { | |
| 1997 | 7136 vim_settempdir(itmp); |
| 7 | 7137 break; |
| 7138 } | |
| 1997 | 7139 # ifdef EEXIST |
| 7 | 7140 /* If the mkdir() didn't fail because the file/dir exists, |
| 7141 * we probably can't create any dir here, try another | |
| 7142 * place. */ | |
| 7143 if (errno != EEXIST) | |
| 1997 | 7144 # endif |
| 7 | 7145 break; |
| 7146 } | |
| 1997 | 7147 # endif /* HAVE_MKDTEMP */ |
| 7 | 7148 if (vim_tempdir != NULL) |
| 7149 break; | |
| 7150 } | |
| 7151 } | |
| 7152 } | |
| 7153 | |
| 7154 if (vim_tempdir != NULL) | |
| 7155 { | |
| 7156 /* There is no need to check if the file exists, because we own the | |
| 7157 * directory and nobody else creates a file in it. */ | |
| 7158 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7159 return vim_strsave(itmp); | |
| 7160 } | |
| 7161 | |
| 7162 return NULL; | |
| 7163 | |
| 7164 #else /* TEMPDIRNAMES */ | |
| 7165 | |
| 7166 # ifdef WIN3264 | |
| 7167 char szTempFile[_MAX_PATH + 1]; | |
| 7168 char buf4[4]; | |
| 7169 char_u *retval; | |
| 7170 char_u *p; | |
| 7171 | |
| 7172 STRCPY(itmp, ""); | |
| 7173 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 7174 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */ | |
| 7175 strcpy(buf4, "VIM"); | |
| 7176 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7177 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7178 return NULL; | |
| 7179 /* GetTempFileName() will create the file, we don't want that */ | |
| 7180 (void)DeleteFile(itmp); | |
| 7181 | |
| 7182 /* Backslashes in a temp file name cause problems when filtering with | |
| 7183 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7184 * didn't set 'shellslash'. */ | |
| 7185 retval = vim_strsave(itmp); | |
| 7186 if (*p_shcf == '-' || p_ssl) | |
| 7187 for (p = retval; *p; ++p) | |
| 7188 if (*p == '\\') | |
| 7189 *p = '/'; | |
| 7190 return retval; | |
| 7191 | |
| 7192 # else /* WIN3264 */ | |
| 7193 | |
| 7194 # ifdef USE_TMPNAM | |
| 7195 /* tmpnam() will make its own name */ | |
| 7196 if (*tmpnam((char *)itmp) == NUL) | |
| 7197 return NULL; | |
| 7198 # else | |
| 7199 char_u *p; | |
| 7200 | |
| 7201 # ifdef VMS_TEMPNAM | |
| 7202 /* mktemp() is not working on VMS. It seems to be | |
| 7203 * a do-nothing function. Therefore we use tempnam(). | |
| 7204 */ | |
| 7205 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7206 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7207 if (p != NULL) | |
| 7208 { | |
| 7209 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7210 * and VIM will then be unable to find the file later */ | |
| 7211 STRCPY(itmp, p); | |
| 7212 STRCAT(itmp, ".txt"); | |
| 7213 free(p); | |
| 7214 } | |
| 7215 else | |
| 7216 return NULL; | |
| 7217 # else | |
| 7218 STRCPY(itmp, TEMPNAME); | |
| 7219 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7220 *p = extra_char; | |
| 7221 if (mktemp((char *)itmp) == NULL) | |
| 7222 return NULL; | |
| 7223 # endif | |
| 7224 # endif | |
| 7225 | |
| 7226 return vim_strsave(itmp); | |
| 7227 # endif /* WIN3264 */ | |
| 7228 #endif /* TEMPDIRNAMES */ | |
| 7229 } | |
| 7230 | |
| 7231 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7232 /* | |
| 7233 * Convert all backslashes in fname to forward slashes in-place. | |
| 7234 */ | |
| 7235 void | |
| 7236 forward_slash(fname) | |
| 7237 char_u *fname; | |
| 7238 { | |
| 7239 char_u *p; | |
| 7240 | |
| 7241 for (p = fname; *p != NUL; ++p) | |
| 7242 # ifdef FEAT_MBYTE | |
| 7243 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7244 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7245 ++p; |
| 7246 else | |
| 7247 # endif | |
| 7248 if (*p == '\\') | |
| 7249 *p = '/'; | |
| 7250 } | |
| 7251 #endif | |
| 7252 | |
| 7253 | |
| 7254 /* | |
| 7255 * Code for automatic commands. | |
| 7256 * | |
| 7257 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7258 */ | |
| 7259 | |
| 7260 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7261 | |
| 7262 /* | |
| 7263 * The autocommands are stored in a list for each event. | |
| 7264 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7265 * together, to avoid having to match the pattern too often. | |
| 7266 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7267 * | |
| 7268 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7269 * Autopat.cmds Autopat.cmds | |
| 7270 * | | | |
| 7271 * V V | |
| 7272 * AutoCmd.next AutoCmd.next | |
| 7273 * | | | |
| 7274 * V V | |
| 7275 * AutoCmd.next NULL | |
| 7276 * | | |
| 7277 * V | |
| 7278 * NULL | |
| 7279 * | |
| 7280 * first_autopat[1] --> Autopat.next --> NULL | |
| 7281 * Autopat.cmds | |
| 7282 * | | |
| 7283 * V | |
| 7284 * AutoCmd.next | |
| 7285 * | | |
| 7286 * V | |
| 7287 * NULL | |
| 7288 * etc. | |
| 7289 * | |
| 7290 * The order of AutoCmds is important, this is the order in which they were | |
| 7291 * defined and will have to be executed. | |
| 7292 */ | |
| 7293 typedef struct AutoCmd | |
| 7294 { | |
| 7295 char_u *cmd; /* The command to be executed (NULL | |
| 7296 when command has been removed) */ | |
| 7297 char nested; /* If autocommands nest here */ | |
| 7298 char last; /* last command in list */ | |
| 7299 #ifdef FEAT_EVAL | |
| 7300 scid_T scriptID; /* script ID where defined */ | |
| 7301 #endif | |
| 7302 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7303 } AutoCmd; | |
| 7304 | |
| 7305 typedef struct AutoPat | |
| 7306 { | |
| 7307 int group; /* group ID */ | |
| 7308 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7309 has been removed) */ | |
| 7310 int patlen; /* strlen() of pat */ | |
| 153 | 7311 regprog_T *reg_prog; /* compiled regprog for pattern */ |
| 7 | 7312 char allow_dirs; /* Pattern may match whole path */ |
| 7313 char last; /* last pattern for apply_autocmds() */ | |
| 7314 AutoCmd *cmds; /* list of commands to do */ | |
| 7315 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
| 40 | 7316 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7317 } AutoPat; |
| 7318 | |
| 7319 static struct event_name | |
| 7320 { | |
| 7321 char *name; /* event name */ | |
| 661 | 7322 event_T event; /* event number */ |
| 7 | 7323 } event_names[] = |
| 7324 { | |
| 7325 {"BufAdd", EVENT_BUFADD}, | |
| 7326 {"BufCreate", EVENT_BUFADD}, | |
| 7327 {"BufDelete", EVENT_BUFDELETE}, | |
| 7328 {"BufEnter", EVENT_BUFENTER}, | |
| 7329 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7330 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7331 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7332 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7333 {"BufNew", EVENT_BUFNEW}, | |
| 7334 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7335 {"BufRead", EVENT_BUFREADPOST}, | |
| 7336 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7337 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7338 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7339 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7340 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7341 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7342 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7343 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7344 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7345 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7346 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7347 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7348 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7349 {"ColorScheme", EVENT_COLORSCHEME}, |
| 661 | 7350 {"CursorHold", EVENT_CURSORHOLD}, |
| 7351 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7352 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7353 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7354 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7355 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7356 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7357 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7358 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7359 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7360 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7361 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7362 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7363 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7364 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7365 {"FileType", EVENT_FILETYPE}, | |
| 7366 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7367 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7368 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7369 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7370 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7371 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7372 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7373 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7374 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7375 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7376 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7377 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7378 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7379 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7380 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 434 | 7381 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7382 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7383 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 7 | 7384 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7385 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7386 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7387 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7388 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7389 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7390 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7391 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7392 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7393 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7394 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7395 {"TabEnter", EVENT_TABENTER}, |
| 7396 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7397 {"TermChanged", EVENT_TERMCHANGED}, |
| 7398 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 7399 {"User", EVENT_USER}, | |
| 7400 {"VimEnter", EVENT_VIMENTER}, | |
| 7401 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7402 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7403 {"WinEnter", EVENT_WINENTER}, | |
| 7404 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7405 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7406 {NULL, (event_T)0} |
| 7 | 7407 }; |
| 7408 | |
| 7409 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7410 { | |
| 7411 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7412 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7413 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7414 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7415 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7416 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7417 }; |
| 7418 | |
| 7419 /* | |
| 7420 * struct used to keep status while executing autocommands for an event. | |
| 7421 */ | |
| 7422 typedef struct AutoPatCmd | |
| 7423 { | |
| 7424 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7425 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7426 int group; /* group being used */ | |
| 7427 char_u *fname; /* fname to match with */ | |
| 7428 char_u *sfname; /* sfname to match with */ | |
| 7429 char_u *tail; /* tail of fname */ | |
| 661 | 7430 event_T event; /* current event */ |
| 40 | 7431 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7432 buf is deleted */ | |
| 7433 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7434 } AutoPatCmd; |
| 7435 | |
| 297 | 7436 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7437 |
| 7 | 7438 /* |
| 7439 * augroups stores a list of autocmd group names. | |
| 7440 */ | |
| 297 | 7441 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7442 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7443 | |
| 7444 /* | |
| 7445 * The ID of the current group. Group 0 is the default one. | |
| 7446 */ | |
| 7447 static int current_augroup = AUGROUP_DEFAULT; | |
| 7448 | |
| 7449 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7450 | |
| 661 | 7451 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7452 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7453 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7454 static void au_cleanup __ARGS((void)); | |
| 7455 static int au_new_group __ARGS((char_u *name)); | |
| 7456 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7457 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7458 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7459 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7460 static int event_ignored __ARGS((event_T event)); |
| 7 | 7461 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7462 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7 | 7463 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
| 661 | 7464 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 | 7465 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7466 | |
| 40 | 7467 |
| 661 | 7468 static event_T last_event; |
| 7 | 7469 static int last_group; |
| 1410 | 7470 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7471 |
| 7472 /* | |
| 7473 * Show the autocommands for one AutoPat. | |
| 7474 */ | |
| 7475 static void | |
| 7476 show_autocmd(ap, event) | |
| 7477 AutoPat *ap; | |
| 661 | 7478 event_T event; |
| 7 | 7479 { |
| 7480 AutoCmd *ac; | |
| 7481 | |
| 7482 /* Check for "got_int" (here and at various places below), which is set | |
| 7483 * when "q" has been hit for the "--more--" prompt */ | |
| 7484 if (got_int) | |
| 7485 return; | |
| 7486 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7487 return; | |
| 7488 | |
| 7489 msg_putchar('\n'); | |
| 7490 if (got_int) | |
| 7491 return; | |
| 7492 if (event != last_event || ap->group != last_group) | |
| 7493 { | |
| 7494 if (ap->group != AUGROUP_DEFAULT) | |
| 7495 { | |
| 7496 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7497 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7498 else | |
| 7499 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7500 msg_puts((char_u *)" "); | |
| 7501 } | |
| 7502 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7503 last_event = event; | |
| 7504 last_group = ap->group; | |
| 7505 msg_putchar('\n'); | |
| 7506 if (got_int) | |
| 7507 return; | |
| 7508 } | |
| 7509 msg_col = 4; | |
| 7510 msg_outtrans(ap->pat); | |
| 7511 | |
| 7512 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7513 { | |
| 7514 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7515 { | |
| 7516 if (msg_col >= 14) | |
| 7517 msg_putchar('\n'); | |
| 7518 msg_col = 14; | |
| 7519 if (got_int) | |
| 7520 return; | |
| 7521 msg_outtrans(ac->cmd); | |
| 500 | 7522 #ifdef FEAT_EVAL |
| 7523 if (p_verbose > 0) | |
| 7524 last_set_msg(ac->scriptID); | |
| 7525 #endif | |
| 7 | 7526 if (got_int) |
| 7527 return; | |
| 7528 if (ac->next != NULL) | |
| 7529 { | |
| 7530 msg_putchar('\n'); | |
| 7531 if (got_int) | |
| 7532 return; | |
| 7533 } | |
| 7534 } | |
| 7535 } | |
| 7536 } | |
| 7537 | |
| 7538 /* | |
| 7539 * Mark an autocommand pattern for deletion. | |
| 7540 */ | |
| 7541 static void | |
| 7542 au_remove_pat(ap) | |
| 7543 AutoPat *ap; | |
| 7544 { | |
| 7545 vim_free(ap->pat); | |
| 7546 ap->pat = NULL; | |
| 40 | 7547 ap->buflocal_nr = -1; |
| 7 | 7548 au_need_clean = TRUE; |
| 7549 } | |
| 7550 | |
| 7551 /* | |
| 7552 * Mark all commands for a pattern for deletion. | |
| 7553 */ | |
| 7554 static void | |
| 7555 au_remove_cmds(ap) | |
| 7556 AutoPat *ap; | |
| 7557 { | |
| 7558 AutoCmd *ac; | |
| 7559 | |
| 7560 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7561 { | |
| 7562 vim_free(ac->cmd); | |
| 7563 ac->cmd = NULL; | |
| 7564 } | |
| 7565 au_need_clean = TRUE; | |
| 7566 } | |
| 7567 | |
| 7568 /* | |
| 7569 * Cleanup autocommands and patterns that have been deleted. | |
| 7570 * This is only done when not executing autocommands. | |
| 7571 */ | |
| 7572 static void | |
| 7573 au_cleanup() | |
| 7574 { | |
| 7575 AutoPat *ap, **prev_ap; | |
| 7576 AutoCmd *ac, **prev_ac; | |
| 661 | 7577 event_T event; |
| 7 | 7578 |
| 7579 if (autocmd_busy || !au_need_clean) | |
| 7580 return; | |
| 7581 | |
| 7582 /* loop over all events */ | |
| 661 | 7583 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7584 event = (event_T)((int)event + 1)) | |
| 7 | 7585 { |
| 7586 /* loop over all autocommand patterns */ | |
| 7587 prev_ap = &(first_autopat[(int)event]); | |
| 7588 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7589 { | |
| 7590 /* loop over all commands for this pattern */ | |
| 7591 prev_ac = &(ap->cmds); | |
| 7592 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7593 { | |
| 7594 /* remove the command if the pattern is to be deleted or when | |
| 7595 * the command has been marked for deletion */ | |
| 7596 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7597 { | |
| 7598 *prev_ac = ac->next; | |
| 7599 vim_free(ac->cmd); | |
| 7600 vim_free(ac); | |
| 7601 } | |
| 7602 else | |
| 7603 prev_ac = &(ac->next); | |
| 7604 } | |
| 7605 | |
| 7606 /* remove the pattern if it has been marked for deletion */ | |
| 7607 if (ap->pat == NULL) | |
| 7608 { | |
| 7609 *prev_ap = ap->next; | |
| 153 | 7610 vim_free(ap->reg_prog); |
| 7 | 7611 vim_free(ap); |
| 7612 } | |
| 7613 else | |
| 7614 prev_ap = &(ap->next); | |
| 7615 } | |
| 7616 } | |
| 7617 | |
| 7618 au_need_clean = FALSE; | |
| 7619 } | |
| 7620 | |
| 7621 /* | |
| 40 | 7622 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7623 * autocmds. | |
| 7624 */ | |
| 7625 void | |
| 7626 aubuflocal_remove(buf) | |
| 7627 buf_T *buf; | |
| 7628 { | |
| 7629 AutoPat *ap; | |
| 661 | 7630 event_T event; |
| 40 | 7631 AutoPatCmd *apc; |
| 7632 | |
| 7633 /* invalidate currently executing autocommands */ | |
| 7634 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7635 if (buf->b_fnum == apc->arg_bufnr) | |
| 7636 apc->arg_bufnr = 0; | |
| 7637 | |
| 7638 /* invalidate buflocals looping through events */ | |
| 661 | 7639 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7640 event = (event_T)((int)event + 1)) | |
| 40 | 7641 /* loop over all autocommand patterns */ |
| 7642 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7643 if (ap->buflocal_nr == buf->b_fnum) | |
| 7644 { | |
| 7645 au_remove_pat(ap); | |
| 7646 if (p_verbose >= 6) | |
| 292 | 7647 { |
| 7648 verbose_enter(); | |
| 40 | 7649 smsg((char_u *) |
| 7650 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7651 event_nr2name(event), buf->b_fnum); | |
| 292 | 7652 verbose_leave(); |
| 7653 } | |
| 40 | 7654 } |
| 7655 au_cleanup(); | |
| 7656 } | |
| 7657 | |
| 7658 /* | |
| 7 | 7659 * Add an autocmd group name. |
| 7660 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7661 */ | |
| 7662 static int | |
| 7663 au_new_group(name) | |
| 7664 char_u *name; | |
| 7665 { | |
| 7666 int i; | |
| 7667 | |
| 7668 i = au_find_group(name); | |
| 7669 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7670 { | |
| 7671 /* First try using a free entry. */ | |
| 7672 for (i = 0; i < augroups.ga_len; ++i) | |
| 7673 if (AUGROUP_NAME(i) == NULL) | |
| 7674 break; | |
| 7675 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 7676 return AUGROUP_ERROR; | |
| 7677 | |
| 7678 AUGROUP_NAME(i) = vim_strsave(name); | |
| 7679 if (AUGROUP_NAME(i) == NULL) | |
| 7680 return AUGROUP_ERROR; | |
| 7681 if (i == augroups.ga_len) | |
| 7682 ++augroups.ga_len; | |
| 7683 } | |
| 7684 | |
| 7685 return i; | |
| 7686 } | |
| 7687 | |
| 7688 static void | |
| 7689 au_del_group(name) | |
| 7690 char_u *name; | |
| 7691 { | |
| 7692 int i; | |
| 7693 | |
| 7694 i = au_find_group(name); | |
| 7695 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 7696 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 7697 else | |
| 7698 { | |
| 7699 vim_free(AUGROUP_NAME(i)); | |
| 7700 AUGROUP_NAME(i) = NULL; | |
| 7701 } | |
| 7702 } | |
| 7703 | |
| 7704 /* | |
| 7705 * Find the ID of an autocmd group name. | |
| 7706 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7707 */ | |
| 7708 static int | |
| 7709 au_find_group(name) | |
| 7710 char_u *name; | |
| 7711 { | |
| 7712 int i; | |
| 7713 | |
| 7714 for (i = 0; i < augroups.ga_len; ++i) | |
| 7715 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 7716 return i; | |
| 7717 return AUGROUP_ERROR; | |
| 7718 } | |
| 7719 | |
| 461 | 7720 /* |
| 7721 * Return TRUE if augroup "name" exists. | |
| 7722 */ | |
| 7723 int | |
| 7724 au_has_group(name) | |
| 7725 char_u *name; | |
| 7726 { | |
| 7727 return au_find_group(name) != AUGROUP_ERROR; | |
| 7728 } | |
| 7729 | |
| 7 | 7730 /* |
| 7731 * ":augroup {name}". | |
| 7732 */ | |
| 7733 void | |
| 7734 do_augroup(arg, del_group) | |
| 7735 char_u *arg; | |
| 7736 int del_group; | |
| 7737 { | |
| 7738 int i; | |
| 7739 | |
| 7740 if (del_group) | |
| 7741 { | |
| 7742 if (*arg == NUL) | |
| 7743 EMSG(_(e_argreq)); | |
| 7744 else | |
| 7745 au_del_group(arg); | |
| 7746 } | |
| 7747 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 7748 current_augroup = AUGROUP_DEFAULT; | |
| 7749 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 7750 { | |
| 7751 i = au_new_group(arg); | |
| 7752 if (i != AUGROUP_ERROR) | |
| 7753 current_augroup = i; | |
| 7754 } | |
| 7755 else /* ":aug": list the group names */ | |
| 7756 { | |
| 7757 msg_start(); | |
| 7758 for (i = 0; i < augroups.ga_len; ++i) | |
| 7759 { | |
| 7760 if (AUGROUP_NAME(i) != NULL) | |
| 7761 { | |
| 7762 msg_puts(AUGROUP_NAME(i)); | |
| 7763 msg_puts((char_u *)" "); | |
| 7764 } | |
| 7765 } | |
| 7766 msg_clr_eos(); | |
| 7767 msg_end(); | |
| 7768 } | |
| 7769 } | |
| 7770 | |
| 355 | 7771 #if defined(EXITFREE) || defined(PROTO) |
| 7772 void | |
| 7773 free_all_autocmds() | |
| 7774 { | |
| 7775 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 7776 ++current_augroup) | |
| 7777 do_autocmd((char_u *)"", TRUE); | |
| 7778 ga_clear_strings(&augroups); | |
| 7779 } | |
| 7780 #endif | |
| 7781 | |
| 7 | 7782 /* |
| 7783 * Return the event number for event name "start". | |
| 7784 * Return NUM_EVENTS if the event name was not found. | |
| 7785 * Return a pointer to the next event name in "end". | |
| 7786 */ | |
| 661 | 7787 static event_T |
| 7 | 7788 event_name2nr(start, end) |
| 7789 char_u *start; | |
| 7790 char_u **end; | |
| 7791 { | |
| 7792 char_u *p; | |
| 7793 int i; | |
| 7794 int len; | |
| 7795 | |
| 7796 /* the event name ends with end of line, a blank or a comma */ | |
| 7797 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 7798 ; | |
| 7799 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7800 { | |
| 7801 len = (int)STRLEN(event_names[i].name); | |
| 7802 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 7803 break; | |
| 7804 } | |
| 7805 if (*p == ',') | |
| 7806 ++p; | |
| 7807 *end = p; | |
| 7808 if (event_names[i].name == NULL) | |
| 7809 return NUM_EVENTS; | |
| 7810 return event_names[i].event; | |
| 7811 } | |
| 7812 | |
| 7813 /* | |
| 7814 * Return the name for event "event". | |
| 7815 */ | |
| 7816 static char_u * | |
| 7817 event_nr2name(event) | |
| 661 | 7818 event_T event; |
| 7 | 7819 { |
| 7820 int i; | |
| 7821 | |
| 7822 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7823 if (event_names[i].event == event) | |
| 7824 return (char_u *)event_names[i].name; | |
| 7825 return (char_u *)"Unknown"; | |
| 7826 } | |
| 7827 | |
| 7828 /* | |
| 7829 * Scan over the events. "*" stands for all events. | |
| 7830 */ | |
| 7831 static char_u * | |
| 7832 find_end_event(arg, have_group) | |
| 7833 char_u *arg; | |
| 7834 int have_group; /* TRUE when group name was found */ | |
| 7835 { | |
| 7836 char_u *pat; | |
| 7837 char_u *p; | |
| 7838 | |
| 7839 if (*arg == '*') | |
| 7840 { | |
| 7841 if (arg[1] && !vim_iswhite(arg[1])) | |
| 7842 { | |
| 7843 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 7844 return NULL; | |
| 7845 } | |
| 7846 pat = arg + 1; | |
| 7847 } | |
| 7848 else | |
| 7849 { | |
| 7850 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 7851 { | |
| 7852 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 7853 { | |
| 7854 if (have_group) | |
| 7855 EMSG2(_("E216: No such event: %s"), pat); | |
| 7856 else | |
| 7857 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 7858 return NULL; | |
| 7859 } | |
| 7860 } | |
| 7861 } | |
| 7862 return pat; | |
| 7863 } | |
| 7864 | |
| 7865 /* | |
| 7866 * Return TRUE if "event" is included in 'eventignore'. | |
| 7867 */ | |
| 7868 static int | |
| 7869 event_ignored(event) | |
| 661 | 7870 event_T event; |
| 7 | 7871 { |
| 7872 char_u *p = p_ei; | |
| 7873 | |
| 844 | 7874 while (*p != NUL) |
| 7875 { | |
| 7876 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 7877 return TRUE; | |
| 7 | 7878 if (event_name2nr(p, &p) == event) |
| 7879 return TRUE; | |
| 844 | 7880 } |
| 7 | 7881 |
| 7882 return FALSE; | |
| 7883 } | |
| 7884 | |
| 7885 /* | |
| 7886 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 7887 */ | |
| 7888 int | |
| 7889 check_ei() | |
| 7890 { | |
| 7891 char_u *p = p_ei; | |
| 7892 | |
| 7893 while (*p) | |
| 844 | 7894 { |
| 7895 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 7896 { | |
| 7897 p += 3; | |
| 7898 if (*p == ',') | |
| 7899 ++p; | |
| 7900 } | |
| 7901 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 7902 return FAIL; |
| 844 | 7903 } |
| 7 | 7904 |
| 7905 return OK; | |
| 7906 } | |
| 7907 | |
| 123 | 7908 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 7909 | |
| 7910 /* | |
| 7911 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 7912 * buffer loaded into the window. "what" must start with a comma. | |
| 7913 * Returns the old value of 'eventignore' in allocated memory. | |
| 7914 */ | |
| 7915 char_u * | |
| 7916 au_event_disable(what) | |
| 7917 char *what; | |
| 7918 { | |
| 7919 char_u *new_ei; | |
| 7920 char_u *save_ei; | |
| 7921 | |
| 7922 save_ei = vim_strsave(p_ei); | |
| 7923 if (save_ei != NULL) | |
| 7924 { | |
| 557 | 7925 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 7926 if (new_ei != NULL) |
| 7927 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7928 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7929 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7930 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7931 STRCAT(new_ei, what); |
| 694 | 7932 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 7933 OPT_FREE, SID_NONE); | |
| 123 | 7934 vim_free(new_ei); |
| 7935 } | |
| 7936 } | |
| 7937 return save_ei; | |
| 7938 } | |
| 7939 | |
| 7940 void | |
| 7941 au_event_restore(old_ei) | |
| 7942 char_u *old_ei; | |
| 7943 { | |
| 7944 if (old_ei != NULL) | |
| 7945 { | |
| 694 | 7946 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 7947 OPT_FREE, SID_NONE); | |
| 123 | 7948 vim_free(old_ei); |
| 7949 } | |
| 7950 } | |
| 7951 # endif /* FEAT_SYN_HL */ | |
| 7952 | |
| 7 | 7953 /* |
| 7954 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 7955 * following ways: | |
| 7956 * | |
| 7957 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 7958 * will be automatically executed for <event> | |
| 7959 * when editing a file matching <pat>, in | |
| 7960 * the current group. | |
| 7961 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 7962 * <event> and <pat>. | |
| 7963 * :autocmd <event> Show the auto-commands associated with | |
| 7964 * <event>. | |
| 7965 * :autocmd Show all auto-commands. | |
| 7966 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 7967 * <event> and <pat>, and add the command | |
| 7968 * <cmd>, for the current group. | |
| 7969 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 7970 * <event> and <pat> for the current group. | |
| 7971 * :autocmd! <event> Remove all auto-commands associated with | |
| 7972 * <event> for the current group. | |
| 7973 * :autocmd! Remove ALL auto-commands for the current | |
| 7974 * group. | |
| 7975 * | |
| 7976 * Multiple events and patterns may be given separated by commas. Here are | |
| 7977 * some examples: | |
| 7978 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 7979 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 7980 * | |
| 7981 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 7982 * |
| 7983 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 7984 */ |
| 7985 void | |
| 7986 do_autocmd(arg, forceit) | |
| 7987 char_u *arg; | |
| 7988 int forceit; | |
| 7989 { | |
| 7990 char_u *pat; | |
| 7991 char_u *envpat = NULL; | |
| 7992 char_u *cmd; | |
| 661 | 7993 event_T event; |
| 7 | 7994 int need_free = FALSE; |
| 7995 int nested = FALSE; | |
| 7996 int group; | |
| 7997 | |
| 7998 /* | |
| 7999 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8000 */ | |
| 8001 group = au_get_grouparg(&arg); | |
| 8002 if (arg == NULL) /* out of memory */ | |
| 8003 return; | |
| 8004 | |
| 8005 /* | |
| 8006 * Scan over the events. | |
| 8007 * If we find an illegal name, return here, don't do anything. | |
| 8008 */ | |
| 8009 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8010 if (pat == NULL) | |
| 8011 return; | |
| 8012 | |
| 8013 /* | |
| 8014 * Scan over the pattern. Put a NUL at the end. | |
| 8015 */ | |
| 8016 pat = skipwhite(pat); | |
| 8017 cmd = pat; | |
| 8018 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8019 cmd++; | |
| 8020 if (*cmd) | |
| 8021 *cmd++ = NUL; | |
| 8022 | |
| 8023 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8024 * forward slashes here. */ | |
| 8025 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8026 { | |
| 8027 #ifdef BACKSLASH_IN_FILENAME | |
| 8028 int p_ssl_save = p_ssl; | |
| 8029 | |
| 8030 p_ssl = TRUE; | |
| 8031 #endif | |
| 8032 envpat = expand_env_save(pat); | |
| 8033 #ifdef BACKSLASH_IN_FILENAME | |
| 8034 p_ssl = p_ssl_save; | |
| 8035 #endif | |
| 8036 if (envpat != NULL) | |
| 8037 pat = envpat; | |
| 8038 } | |
| 8039 | |
| 8040 /* | |
| 8041 * Check for "nested" flag. | |
| 8042 */ | |
| 8043 cmd = skipwhite(cmd); | |
| 8044 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8045 { | |
| 8046 nested = TRUE; | |
| 8047 cmd = skipwhite(cmd + 6); | |
| 8048 } | |
| 8049 | |
| 8050 /* | |
| 8051 * Find the start of the commands. | |
| 8052 * Expand <sfile> in it. | |
| 8053 */ | |
| 8054 if (*cmd != NUL) | |
| 8055 { | |
| 8056 cmd = expand_sfile(cmd); | |
| 8057 if (cmd == NULL) /* some error */ | |
| 8058 return; | |
| 8059 need_free = TRUE; | |
| 8060 } | |
| 8061 | |
| 8062 /* | |
| 8063 * Print header when showing autocommands. | |
| 8064 */ | |
| 8065 if (!forceit && *cmd == NUL) | |
| 8066 { | |
| 8067 /* Highlight title */ | |
| 8068 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8069 } | |
| 8070 | |
| 8071 /* | |
| 8072 * Loop over the events. | |
| 8073 */ | |
| 661 | 8074 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8075 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8076 if (*arg == '*' || *arg == NUL) | |
| 8077 { | |
| 661 | 8078 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8079 event = (event_T)((int)event + 1)) | |
| 7 | 8080 if (do_autocmd_event(event, pat, |
| 8081 nested, cmd, forceit, group) == FAIL) | |
| 8082 break; | |
| 8083 } | |
| 8084 else | |
| 8085 { | |
| 8086 while (*arg && !vim_iswhite(*arg)) | |
| 8087 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8088 nested, cmd, forceit, group) == FAIL) | |
| 8089 break; | |
| 8090 } | |
| 8091 | |
| 8092 if (need_free) | |
| 8093 vim_free(cmd); | |
| 8094 vim_free(envpat); | |
| 8095 } | |
| 8096 | |
| 8097 /* | |
| 8098 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8099 * The "argp" argument is advanced to the following argument. | |
| 8100 * | |
| 8101 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8102 */ | |
| 8103 static int | |
| 8104 au_get_grouparg(argp) | |
| 8105 char_u **argp; | |
| 8106 { | |
| 8107 char_u *group_name; | |
| 8108 char_u *p; | |
| 8109 char_u *arg = *argp; | |
| 8110 int group = AUGROUP_ALL; | |
| 8111 | |
| 8112 p = skiptowhite(arg); | |
| 8113 if (p > arg) | |
| 8114 { | |
| 8115 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8116 if (group_name == NULL) /* out of memory */ | |
| 8117 return AUGROUP_ERROR; | |
| 8118 group = au_find_group(group_name); | |
| 8119 if (group == AUGROUP_ERROR) | |
| 8120 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8121 else | |
| 8122 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8123 vim_free(group_name); | |
| 8124 } | |
| 8125 return group; | |
| 8126 } | |
| 8127 | |
| 8128 /* | |
| 8129 * do_autocmd() for one event. | |
| 8130 * If *pat == NUL do for all patterns. | |
| 8131 * If *cmd == NUL show entries. | |
| 8132 * If forceit == TRUE delete entries. | |
| 8133 * If group is not AUGROUP_ALL, only use this group. | |
| 8134 */ | |
| 8135 static int | |
| 8136 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8137 event_T event; |
| 7 | 8138 char_u *pat; |
| 8139 int nested; | |
| 8140 char_u *cmd; | |
| 8141 int forceit; | |
| 8142 int group; | |
| 8143 { | |
| 8144 AutoPat *ap; | |
| 8145 AutoPat **prev_ap; | |
| 8146 AutoCmd *ac; | |
| 8147 AutoCmd **prev_ac; | |
| 8148 int brace_level; | |
| 8149 char_u *endpat; | |
| 8150 int findgroup; | |
| 8151 int allgroups; | |
| 8152 int patlen; | |
| 856 | 8153 int is_buflocal; |
| 40 | 8154 int buflocal_nr; |
| 8155 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8156 |
| 8157 if (group == AUGROUP_ALL) | |
| 8158 findgroup = current_augroup; | |
| 8159 else | |
| 8160 findgroup = group; | |
| 8161 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8162 | |
| 8163 /* | |
| 8164 * Show or delete all patterns for an event. | |
| 8165 */ | |
| 8166 if (*pat == NUL) | |
| 8167 { | |
| 8168 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8169 { | |
| 8170 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8171 { | |
| 8172 if (ap->group == findgroup) | |
| 8173 au_remove_pat(ap); | |
| 8174 } | |
| 8175 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8176 show_autocmd(ap, event); | |
| 8177 } | |
| 8178 } | |
| 8179 | |
| 8180 /* | |
| 8181 * Loop through all the specified patterns. | |
| 8182 */ | |
| 8183 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8184 { | |
| 8185 /* | |
| 8186 * Find end of the pattern. | |
| 8187 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8188 */ | |
| 8189 brace_level = 0; | |
| 8190 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8191 || endpat[-1] == '\\'); ++endpat) | |
| 8192 { | |
| 8193 if (*endpat == '{') | |
| 8194 brace_level++; | |
| 8195 else if (*endpat == '}') | |
| 8196 brace_level--; | |
| 8197 } | |
| 8198 if (pat == endpat) /* ignore single comma */ | |
| 8199 continue; | |
| 8200 patlen = (int)(endpat - pat); | |
| 8201 | |
| 8202 /* | |
| 40 | 8203 * detect special <buflocal[=X]> buffer-local patterns |
| 8204 */ | |
| 8205 is_buflocal = FALSE; | |
| 8206 buflocal_nr = 0; | |
| 8207 | |
| 8208 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8209 && pat[patlen - 1] == '>') | |
| 8210 { | |
| 8211 /* Error will be printed only for addition. printing and removing | |
| 8212 * will proceed silently. */ | |
| 8213 is_buflocal = TRUE; | |
| 8214 if (patlen == 8) | |
| 8215 buflocal_nr = curbuf->b_fnum; | |
| 8216 else if (patlen > 9 && pat[7] == '=') | |
| 8217 { | |
| 8218 /* <buffer=abuf> */ | |
| 8219 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8220 buflocal_nr = autocmd_bufnr; | |
| 8221 /* <buffer=123> */ | |
| 8222 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8223 buflocal_nr = atoi((char *)pat + 8); | |
| 8224 } | |
| 8225 } | |
| 8226 | |
| 8227 if (is_buflocal) | |
| 8228 { | |
| 8229 /* normalize pat into standard "<buffer>#N" form */ | |
| 8230 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8231 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8232 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8233 } |
| 8234 | |
| 8235 /* | |
| 7 | 8236 * Find AutoPat entries with this pattern. |
| 8237 */ | |
| 8238 prev_ap = &first_autopat[(int)event]; | |
| 8239 while ((ap = *prev_ap) != NULL) | |
| 8240 { | |
| 8241 if (ap->pat != NULL) | |
| 8242 { | |
| 8243 /* Accept a pattern when: | |
| 8244 * - a group was specified and it's that group, or a group was | |
| 8245 * not specified and it's the current group, or a group was | |
| 8246 * not specified and we are listing | |
| 8247 * - the length of the pattern matches | |
| 40 | 8248 * - the pattern matches. |
| 8249 * For <buffer[=X]>, this condition works because we normalize | |
| 8250 * all buffer-local patterns. | |
| 7 | 8251 */ |
| 8252 if ((allgroups || ap->group == findgroup) | |
| 8253 && ap->patlen == patlen | |
| 8254 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8255 { | |
| 8256 /* | |
| 8257 * Remove existing autocommands. | |
| 8258 * If adding any new autocmd's for this AutoPat, don't | |
| 8259 * delete the pattern from the autopat list, append to | |
| 8260 * this list. | |
| 8261 */ | |
| 8262 if (forceit) | |
| 8263 { | |
| 8264 if (*cmd != NUL && ap->next == NULL) | |
| 8265 { | |
| 8266 au_remove_cmds(ap); | |
| 8267 break; | |
| 8268 } | |
| 8269 au_remove_pat(ap); | |
| 8270 } | |
| 8271 | |
| 8272 /* | |
| 40 | 8273 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8274 */ |
| 8275 else if (*cmd == NUL) | |
| 8276 show_autocmd(ap, event); | |
| 8277 | |
| 8278 /* | |
| 8279 * Add autocmd to this autopat, if it's the last one. | |
| 8280 */ | |
| 8281 else if (ap->next == NULL) | |
| 8282 break; | |
| 8283 } | |
| 8284 } | |
| 8285 prev_ap = &ap->next; | |
| 8286 } | |
| 8287 | |
| 8288 /* | |
| 8289 * Add a new command. | |
| 8290 */ | |
| 8291 if (*cmd != NUL) | |
| 8292 { | |
| 8293 /* | |
| 8294 * If the pattern we want to add a command to does appear at the | |
| 8295 * end of the list (or not is not in the list at all), add the | |
| 8296 * pattern at the end of the list. | |
| 8297 */ | |
| 8298 if (ap == NULL) | |
| 8299 { | |
| 40 | 8300 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8301 if (is_buflocal && (buflocal_nr == 0 | |
| 8302 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8303 { | |
| 8304 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8305 buflocal_nr); | |
| 8306 return FAIL; | |
| 8307 } | |
| 8308 | |
| 7 | 8309 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8310 if (ap == NULL) | |
| 8311 return FAIL; | |
| 8312 ap->pat = vim_strnsave(pat, patlen); | |
| 8313 ap->patlen = patlen; | |
| 8314 if (ap->pat == NULL) | |
| 8315 { | |
| 8316 vim_free(ap); | |
| 8317 return FAIL; | |
| 8318 } | |
| 40 | 8319 |
| 8320 if (is_buflocal) | |
| 8321 { | |
| 8322 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8323 ap->reg_prog = NULL; |
| 40 | 8324 } |
| 8325 else | |
| 7 | 8326 { |
| 153 | 8327 char_u *reg_pat; |
| 8328 | |
| 40 | 8329 ap->buflocal_nr = 0; |
| 153 | 8330 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8331 &ap->allow_dirs, TRUE); |
| 153 | 8332 if (reg_pat != NULL) |
| 8333 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8334 vim_free(reg_pat); |
| 153 | 8335 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8336 { |
| 8337 vim_free(ap->pat); | |
| 8338 vim_free(ap); | |
| 8339 return FAIL; | |
| 8340 } | |
| 7 | 8341 } |
| 8342 ap->cmds = NULL; | |
| 8343 *prev_ap = ap; | |
| 8344 ap->next = NULL; | |
| 8345 if (group == AUGROUP_ALL) | |
| 8346 ap->group = current_augroup; | |
| 8347 else | |
| 8348 ap->group = group; | |
| 8349 } | |
| 8350 | |
| 8351 /* | |
| 8352 * Add the autocmd at the end of the AutoCmd list. | |
| 8353 */ | |
| 8354 prev_ac = &(ap->cmds); | |
| 8355 while ((ac = *prev_ac) != NULL) | |
| 8356 prev_ac = &ac->next; | |
| 8357 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8358 if (ac == NULL) | |
| 8359 return FAIL; | |
| 8360 ac->cmd = vim_strsave(cmd); | |
| 8361 #ifdef FEAT_EVAL | |
| 8362 ac->scriptID = current_SID; | |
| 8363 #endif | |
| 8364 if (ac->cmd == NULL) | |
| 8365 { | |
| 8366 vim_free(ac); | |
| 8367 return FAIL; | |
| 8368 } | |
| 8369 ac->next = NULL; | |
| 8370 *prev_ac = ac; | |
| 8371 ac->nested = nested; | |
| 8372 } | |
| 8373 } | |
| 8374 | |
| 8375 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8376 return OK; | |
| 8377 } | |
| 8378 | |
| 8379 /* | |
| 8380 * Implementation of ":doautocmd [group] event [fname]". | |
| 8381 * Return OK for success, FAIL for failure; | |
| 8382 */ | |
| 8383 int | |
| 8384 do_doautocmd(arg, do_msg) | |
| 8385 char_u *arg; | |
| 8386 int do_msg; /* give message for no matching autocmds? */ | |
| 8387 { | |
| 8388 char_u *fname; | |
| 8389 int nothing_done = TRUE; | |
| 8390 int group; | |
| 8391 | |
| 8392 /* | |
| 8393 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8394 */ | |
| 8395 group = au_get_grouparg(&arg); | |
| 8396 if (arg == NULL) /* out of memory */ | |
| 8397 return FAIL; | |
| 8398 | |
| 8399 if (*arg == '*') | |
| 8400 { | |
| 8401 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8402 return FAIL; | |
| 8403 } | |
| 8404 | |
| 8405 /* | |
| 8406 * Scan over the events. | |
| 8407 * If we find an illegal name, return here, don't do anything. | |
| 8408 */ | |
| 8409 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8410 if (fname == NULL) | |
| 8411 return FAIL; | |
| 8412 | |
| 8413 fname = skipwhite(fname); | |
| 8414 | |
| 8415 /* | |
| 8416 * Loop over the events. | |
| 8417 */ | |
| 8418 while (*arg && !vim_iswhite(*arg)) | |
| 8419 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8420 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8421 nothing_done = FALSE; | |
| 8422 | |
| 8423 if (nothing_done && do_msg) | |
| 8424 MSG(_("No matching autocommands")); | |
| 8425 | |
| 8426 #ifdef FEAT_EVAL | |
| 8427 return aborting() ? FAIL : OK; | |
| 8428 #else | |
| 8429 return OK; | |
| 8430 #endif | |
| 8431 } | |
| 8432 | |
| 8433 /* | |
| 8434 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8435 */ | |
| 8436 void | |
| 8437 ex_doautoall(eap) | |
| 8438 exarg_T *eap; | |
| 8439 { | |
| 8440 int retval; | |
| 8441 aco_save_T aco; | |
| 8442 buf_T *buf; | |
| 8443 | |
| 8444 /* | |
| 8445 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8446 * equal to curbuf, but for some buffers there may not be a window. | |
| 8447 * So we change the buffer for the current window for a moment. This | |
| 8448 * gives problems when the autocommands make changes to the list of | |
| 8449 * buffers or windows... | |
| 8450 */ | |
| 8451 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8452 { | |
| 1665 | 8453 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8454 { |
| 8455 /* find a window for this buffer and save some values */ | |
| 8456 aucmd_prepbuf(&aco, buf); | |
| 8457 | |
| 8458 /* execute the autocommands for this buffer */ | |
| 8459 retval = do_doautocmd(eap->arg, FALSE); | |
| 1113 | 8460 |
| 8461 /* Execute the modeline settings, but don't set window-local | |
| 8462 * options if we are using the current window for another buffer. */ | |
| 1906 | 8463 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
| 7 | 8464 |
| 8465 /* restore the current window */ | |
| 8466 aucmd_restbuf(&aco); | |
| 8467 | |
| 8468 /* stop if there is some error or buffer was deleted */ | |
| 8469 if (retval == FAIL || !buf_valid(buf)) | |
| 8470 break; | |
| 8471 } | |
| 8472 } | |
| 8473 | |
| 8474 check_cursor(); /* just in case lines got deleted */ | |
| 8475 } | |
| 8476 | |
| 8477 /* | |
| 8478 * Prepare for executing autocommands for (hidden) buffer "buf". | |
| 1906 | 8479 * Search for a visible window containing the current buffer. If there isn't |
| 8480 * one then use "aucmd_win". | |
| 7 | 8481 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8482 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8483 */ |
| 8484 void | |
| 8485 aucmd_prepbuf(aco, buf) | |
| 8486 aco_save_T *aco; /* structure to save values in */ | |
| 8487 buf_T *buf; /* new curbuf */ | |
| 8488 { | |
| 8489 win_T *win; | |
| 1906 | 8490 #ifdef FEAT_WINDOWS |
| 8491 int save_ea; | |
| 8492 #endif | |
| 7 | 8493 |
| 8494 /* Find a window that is for the new buffer */ | |
| 8495 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8496 win = curwin; | |
| 8497 else | |
| 8498 #ifdef FEAT_WINDOWS | |
| 8499 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8500 if (win->w_buffer == buf) | |
| 8501 break; | |
| 8502 #else | |
| 8503 win = NULL; | |
| 8504 #endif | |
| 8505 | |
| 1906 | 8506 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8507 * back to using the current window. */ | |
| 8508 if (win == NULL && aucmd_win == NULL) | |
| 8509 { | |
| 8510 win_alloc_aucmd_win(); | |
| 8511 if (aucmd_win == NULL) | |
| 8512 win = curwin; | |
| 8513 } | |
| 1944 | 8514 if (win == NULL && aucmd_win_used) |
| 8515 /* Strange recursive autocommand, fall back to using the current | |
| 8516 * window. Expect a few side effects... */ | |
| 8517 win = curwin; | |
| 1906 | 8518 |
| 8519 aco->save_curwin = curwin; | |
| 8520 aco->save_curbuf = curbuf; | |
| 7 | 8521 if (win != NULL) |
| 8522 { | |
| 1906 | 8523 /* There is a window for "buf" in the current tab page, make it the |
| 8524 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8525 * "buf" is curbuf). */ | |
| 1944 | 8526 aco->use_aucmd_win = FALSE; |
| 7 | 8527 curwin = win; |
| 8528 } | |
| 8529 else | |
| 8530 { | |
| 1906 | 8531 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 8532 * effects, insert it in a the current tab page. | |
| 8533 * Anything related to a window (e.g., setting folds) may have | |
| 8534 * unexpected results. */ | |
| 1944 | 8535 aco->use_aucmd_win = TRUE; |
| 8536 aucmd_win_used = TRUE; | |
| 1918 | 8537 aucmd_win->w_buffer = buf; |
| 7 | 8538 ++buf->b_nwindows; |
| 1918 | 8539 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8540 vim_free(aucmd_win->w_localdir); |
| 8541 aucmd_win->w_localdir = NULL; | |
| 8542 | |
| 8543 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8544 * win_enter_ext(). */ | |
| 8545 aucmd_win->w_localdir = NULL; | |
| 8546 aco->globaldir = globaldir; | |
| 8547 globaldir = NULL; | |
| 8548 | |
| 7 | 8549 |
| 1906 | 8550 #ifdef FEAT_WINDOWS |
| 1923 | 8551 /* Split the current window, put the aucmd_win in the upper half. |
| 8552 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8553 block_autocmds(); | |
| 1906 | 8554 make_snapshot(SNAP_AUCMD_IDX); |
| 8555 save_ea = p_ea; | |
| 8556 p_ea = FALSE; | |
| 8557 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
| 8558 (void)win_comp_pos(); /* recompute window positions */ | |
| 8559 p_ea = save_ea; | |
| 1923 | 8560 unblock_autocmds(); |
| 1906 | 8561 #endif |
| 1918 | 8562 curwin = aucmd_win; |
| 1906 | 8563 } |
| 7 | 8564 curbuf = buf; |
| 1906 | 8565 aco->new_curwin = curwin; |
| 8566 aco->new_curbuf = curbuf; | |
| 7 | 8567 } |
| 8568 | |
| 8569 /* | |
| 8570 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8571 * Restore the window as it was (if possible). | |
| 934 | 8572 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8573 */ |
| 8574 void | |
| 8575 aucmd_restbuf(aco) | |
| 8576 aco_save_T *aco; /* structure holding saved values */ | |
| 8577 { | |
| 1906 | 8578 #ifdef FEAT_WINDOWS |
| 8579 int dummy; | |
| 8580 #endif | |
| 8581 | |
| 1944 | 8582 if (aco->use_aucmd_win) |
| 1906 | 8583 { |
| 8584 --curbuf->b_nwindows; | |
| 8585 #ifdef FEAT_WINDOWS | |
| 8586 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8587 * page. Do not trigger autocommands here. */ |
| 8588 block_autocmds(); | |
| 1906 | 8589 if (curwin != aucmd_win) |
| 8590 { | |
| 8591 tabpage_T *tp; | |
| 8592 win_T *wp; | |
| 8593 | |
| 8594 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8595 { | |
| 8596 if (wp == aucmd_win) | |
| 8597 { | |
| 8598 if (tp != curtab) | |
| 8599 goto_tabpage_tp(tp); | |
| 8600 win_goto(aucmd_win); | |
| 8601 break; | |
| 8602 } | |
| 8603 } | |
| 8604 } | |
| 8605 | |
| 8606 /* Remove the window and frame from the tree of frames. */ | |
| 8607 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8608 win_remove(curwin, NULL); | |
| 1944 | 8609 aucmd_win_used = FALSE; |
| 1906 | 8610 last_status(FALSE); /* may need to remove last status line */ |
| 8611 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8612 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8613 unblock_autocmds(); |
| 1906 | 8614 |
| 8615 if (win_valid(aco->save_curwin)) | |
| 8616 curwin = aco->save_curwin; | |
| 8617 else | |
| 8618 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8619 curwin = firstwin; | |
| 8620 # ifdef FEAT_EVAL | |
| 8621 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
| 2001 | 8622 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
| 1906 | 8623 # endif |
| 8624 #else | |
| 8625 curwin = aco->save_curwin; | |
| 8626 #endif | |
| 8627 curbuf = curwin->w_buffer; | |
| 8628 | |
| 1944 | 8629 vim_free(globaldir); |
| 8630 globaldir = aco->globaldir; | |
| 8631 | |
| 1906 | 8632 /* the buffer contents may have changed */ |
| 8633 check_cursor(); | |
| 8634 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8635 { | |
| 8636 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8637 #ifdef FEAT_DIFF | |
| 8638 curwin->w_topfill = 0; | |
| 8639 #endif | |
| 8640 } | |
| 8641 #if defined(FEAT_GUI) | |
| 8642 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8643 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8644 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8645 gui_may_update_scrollbars(); | |
| 8646 #endif | |
| 8647 } | |
| 8648 else | |
| 7 | 8649 { |
| 8650 /* restore curwin */ | |
| 8651 #ifdef FEAT_WINDOWS | |
| 8652 if (win_valid(aco->save_curwin)) | |
| 8653 #endif | |
| 8654 { | |
| 1906 | 8655 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8656 * it was changed, we are still the same window and the buffer is |
| 1906 | 8657 * valid. */ |
| 7 | 8658 if (curwin == aco->new_curwin |
| 1906 | 8659 && curbuf != aco->new_curbuf |
| 8660 && buf_valid(aco->new_curbuf) | |
| 8661 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8662 { |
| 8663 --curbuf->b_nwindows; | |
| 1906 | 8664 curbuf = aco->new_curbuf; |
| 7 | 8665 curwin->w_buffer = curbuf; |
| 8666 ++curbuf->b_nwindows; | |
| 8667 } | |
| 8668 | |
| 8669 curwin = aco->save_curwin; | |
| 8670 curbuf = curwin->w_buffer; | |
| 8671 } | |
| 8672 } | |
| 8673 } | |
| 8674 | |
| 8675 static int autocmd_nested = FALSE; | |
| 8676 | |
| 8677 /* | |
| 8678 * Execute autocommands for "event" and file name "fname". | |
| 8679 * Return TRUE if some commands were executed. | |
| 8680 */ | |
| 8681 int | |
| 8682 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 8683 event_T event; |
| 7 | 8684 char_u *fname; /* NULL or empty means use actual file name */ |
| 8685 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8686 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8687 buf_T *buf; /* buffer for <abuf> */ | |
| 8688 { | |
| 8689 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8690 AUGROUP_ALL, buf, NULL); | |
| 8691 } | |
| 8692 | |
| 8693 /* | |
| 8694 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 8695 * setting v:filearg. | |
| 8696 */ | |
| 8697 static int | |
| 8698 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 8699 event_T event; |
| 7 | 8700 char_u *fname; |
| 8701 char_u *fname_io; | |
| 8702 int force; | |
| 8703 buf_T *buf; | |
| 8704 exarg_T *eap; | |
| 8705 { | |
| 8706 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8707 AUGROUP_ALL, buf, eap); | |
| 8708 } | |
| 8709 | |
| 8710 /* | |
| 8711 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 8712 * processing is being aborted or if retval is FAIL when inside a try | |
| 8713 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 8714 * cause the script to be aborted, retval is set to FAIL. | |
| 8715 */ | |
| 8716 int | |
| 8717 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 8718 event_T event; |
| 7 | 8719 char_u *fname; /* NULL or empty means use actual file name */ |
| 8720 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8721 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8722 buf_T *buf; /* buffer for <abuf> */ | |
| 8723 int *retval; /* pointer to caller's retval */ | |
| 8724 { | |
| 8725 int did_cmd; | |
| 8726 | |
| 532 | 8727 #ifdef FEAT_EVAL |
| 7 | 8728 if (should_abort(*retval)) |
| 8729 return FALSE; | |
| 532 | 8730 #endif |
| 7 | 8731 |
| 8732 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 8733 AUGROUP_ALL, buf, NULL); | |
| 532 | 8734 if (did_cmd |
| 8735 #ifdef FEAT_EVAL | |
| 8736 && aborting() | |
| 8737 #endif | |
| 8738 ) | |
| 7 | 8739 *retval = FAIL; |
| 8740 return did_cmd; | |
| 8741 } | |
| 8742 | |
| 609 | 8743 /* |
| 8744 * Return TRUE when there is a CursorHold autocommand defined. | |
| 8745 */ | |
| 7 | 8746 int |
| 8747 has_cursorhold() | |
| 8748 { | |
| 661 | 8749 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 8750 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 8751 } |
| 609 | 8752 |
| 8753 /* | |
| 8754 * Return TRUE if the CursorHold event can be triggered. | |
| 8755 */ | |
| 8756 int | |
| 8757 trigger_cursorhold() | |
| 8758 { | |
| 661 | 8759 int state; |
| 8760 | |
| 978 | 8761 if (!did_cursorhold && has_cursorhold() && !Recording |
| 8762 #ifdef FEAT_INS_EXPAND | |
| 8763 && !ins_compl_active() | |
| 8764 #endif | |
| 8765 ) | |
| 661 | 8766 { |
| 8767 state = get_real_state(); | |
| 8768 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 8769 return TRUE; | |
| 8770 } | |
| 8771 return FALSE; | |
| 609 | 8772 } |
| 661 | 8773 |
| 8774 /* | |
| 8775 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 8776 */ | |
| 8777 int | |
| 8778 has_cursormoved() | |
| 8779 { | |
| 8780 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 8781 } | |
| 8782 | |
| 8783 /* | |
| 8784 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 8785 */ | |
| 8786 int | |
| 8787 has_cursormovedI() | |
| 8788 { | |
| 8789 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 8790 } | |
| 7 | 8791 |
| 8792 static int | |
| 8793 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 8794 event_T event; |
| 7 | 8795 char_u *fname; /* NULL or empty means use actual file name */ |
| 8796 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 8797 use fname */ | |
| 8798 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8799 int group; /* group ID, or AUGROUP_ALL */ | |
| 8800 buf_T *buf; /* buffer for <abuf> */ | |
| 8801 exarg_T *eap; /* command arguments */ | |
| 8802 { | |
| 8803 char_u *sfname = NULL; /* short file name */ | |
| 8804 char_u *tail; | |
| 8805 int save_changed; | |
| 8806 buf_T *old_curbuf; | |
| 8807 int retval = FALSE; | |
| 8808 char_u *save_sourcing_name; | |
| 8809 linenr_T save_sourcing_lnum; | |
| 8810 char_u *save_autocmd_fname; | |
| 1723 | 8811 int save_autocmd_fname_full; |
| 7 | 8812 int save_autocmd_bufnr; |
| 8813 char_u *save_autocmd_match; | |
| 8814 int save_autocmd_busy; | |
| 8815 int save_autocmd_nested; | |
| 8816 static int nesting = 0; | |
| 8817 AutoPatCmd patcmd; | |
| 8818 AutoPat *ap; | |
| 8819 #ifdef FEAT_EVAL | |
| 8820 scid_T save_current_SID; | |
| 8821 void *save_funccalp; | |
| 8822 char_u *save_cmdarg; | |
| 8823 long save_cmdbang; | |
| 8824 #endif | |
| 8825 static int filechangeshell_busy = FALSE; | |
| 170 | 8826 #ifdef FEAT_PROFILE |
| 8827 proftime_T wait_time; | |
| 8828 #endif | |
| 7 | 8829 |
| 8830 /* | |
| 8831 * Quickly return if there are no autocommands for this event or | |
| 8832 * autocommands are blocked. | |
| 8833 */ | |
| 1410 | 8834 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 8835 goto BYPASS_AU; |
| 7 | 8836 |
| 8837 /* | |
| 8838 * When autocommands are busy, new autocommands are only executed when | |
| 8839 * explicitly enabled with the "nested" flag. | |
| 8840 */ | |
| 8841 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 8842 goto BYPASS_AU; |
| 7 | 8843 |
| 8844 #ifdef FEAT_EVAL | |
| 8845 /* | |
| 1201 | 8846 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 8847 * occurred or an exception was thrown but not caught. |
| 8848 */ | |
| 8849 if (aborting()) | |
| 40 | 8850 goto BYPASS_AU; |
| 7 | 8851 #endif |
| 8852 | |
| 8853 /* | |
| 8854 * FileChangedShell never nests, because it can create an endless loop. | |
| 8855 */ | |
| 765 | 8856 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 8857 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 8858 goto BYPASS_AU; |
| 7 | 8859 |
| 8860 /* | |
| 8861 * Ignore events in 'eventignore'. | |
| 8862 */ | |
| 8863 if (event_ignored(event)) | |
| 40 | 8864 goto BYPASS_AU; |
| 7 | 8865 |
| 8866 /* | |
| 8867 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 8868 * possible to create an endless loop. | |
| 8869 */ | |
| 8870 if (nesting == 10) | |
| 8871 { | |
| 8872 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 8873 goto BYPASS_AU; |
| 7 | 8874 } |
| 8875 | |
| 8876 /* | |
| 8877 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 8878 * ":ball". | |
| 8879 */ | |
| 8880 if ( (autocmd_no_enter | |
| 8881 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 8882 || (autocmd_no_leave | |
| 8883 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 8884 goto BYPASS_AU; |
| 7 | 8885 |
| 8886 /* | |
| 8887 * Save the autocmd_* variables and info about the current buffer. | |
| 8888 */ | |
| 8889 save_autocmd_fname = autocmd_fname; | |
| 1723 | 8890 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 8891 save_autocmd_bufnr = autocmd_bufnr; |
| 8892 save_autocmd_match = autocmd_match; | |
| 8893 save_autocmd_busy = autocmd_busy; | |
| 8894 save_autocmd_nested = autocmd_nested; | |
| 8895 save_changed = curbuf->b_changed; | |
| 8896 old_curbuf = curbuf; | |
| 8897 | |
| 8898 /* | |
| 8899 * Set the file name to be used for <afile>. | |
| 1471 | 8900 * Make a copy to avoid that changing a buffer name or directory makes it |
| 8901 * invalid. | |
| 7 | 8902 */ |
| 8903 if (fname_io == NULL) | |
| 8904 { | |
| 8905 if (fname != NULL && *fname != NUL) | |
| 8906 autocmd_fname = fname; | |
| 8907 else if (buf != NULL) | |
| 1723 | 8908 autocmd_fname = buf->b_ffname; |
| 7 | 8909 else |
| 8910 autocmd_fname = NULL; | |
| 8911 } | |
| 8912 else | |
| 8913 autocmd_fname = fname_io; | |
| 1471 | 8914 if (autocmd_fname != NULL) |
| 1723 | 8915 autocmd_fname = vim_strsave(autocmd_fname); |
| 8916 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 8917 |
| 8918 /* | |
| 8919 * Set the buffer number to be used for <abuf>. | |
| 8920 */ | |
| 8921 if (buf == NULL) | |
| 8922 autocmd_bufnr = 0; | |
| 8923 else | |
| 8924 autocmd_bufnr = buf->b_fnum; | |
| 8925 | |
| 8926 /* | |
| 8927 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 8928 * Always use the full path of the file name to match with, in case | |
| 8929 * "allow_dirs" is set. | |
| 8930 */ | |
| 8931 if (fname == NULL || *fname == NUL) | |
| 8932 { | |
| 8933 if (buf == NULL) | |
| 8934 fname = NULL; | |
| 8935 else | |
| 8936 { | |
| 8937 #ifdef FEAT_SYN_HL | |
| 8938 if (event == EVENT_SYNTAX) | |
| 8939 fname = buf->b_p_syn; | |
| 8940 else | |
| 8941 #endif | |
| 8942 if (event == EVENT_FILETYPE) | |
| 8943 fname = buf->b_p_ft; | |
| 8944 else | |
| 8945 { | |
| 8946 if (buf->b_sfname != NULL) | |
| 8947 sfname = vim_strsave(buf->b_sfname); | |
| 8948 fname = buf->b_ffname; | |
| 8949 } | |
| 8950 } | |
| 8951 if (fname == NULL) | |
| 8952 fname = (char_u *)""; | |
| 8953 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 8954 } | |
| 8955 else | |
| 8956 { | |
| 8957 sfname = vim_strsave(fname); | |
| 1867 | 8958 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 8959 * QuickFixCmd* */ | |
| 161 | 8960 if (event == EVENT_FILETYPE |
| 8961 || event == EVENT_SYNTAX | |
| 1867 | 8962 || event == EVENT_FUNCUNDEFINED |
| 161 | 8963 || event == EVENT_REMOTEREPLY |
| 649 | 8964 || event == EVENT_SPELLFILEMISSING |
| 161 | 8965 || event == EVENT_QUICKFIXCMDPRE |
| 8966 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 8967 fname = vim_strsave(fname); |
| 8968 else | |
| 8969 fname = FullName_save(fname, FALSE); | |
| 8970 } | |
| 8971 if (fname == NULL) /* out of memory */ | |
| 8972 { | |
| 8973 vim_free(sfname); | |
| 40 | 8974 retval = FALSE; |
| 8975 goto BYPASS_AU; | |
| 7 | 8976 } |
| 8977 | |
| 8978 #ifdef BACKSLASH_IN_FILENAME | |
| 8979 /* | |
| 8980 * Replace all backslashes with forward slashes. This makes the | |
| 8981 * autocommand patterns portable between Unix and MS-DOS. | |
| 8982 */ | |
| 8983 if (sfname != NULL) | |
| 8984 forward_slash(sfname); | |
| 8985 forward_slash(fname); | |
| 8986 #endif | |
| 8987 | |
| 8988 #ifdef VMS | |
| 8989 /* remove version for correct match */ | |
| 8990 if (sfname != NULL) | |
| 8991 vms_remove_version(sfname); | |
| 8992 vms_remove_version(fname); | |
| 8993 #endif | |
| 8994 | |
| 8995 /* | |
| 8996 * Set the name to be used for <amatch>. | |
| 8997 */ | |
| 8998 autocmd_match = fname; | |
| 8999 | |
| 9000 | |
| 9001 /* Don't redraw while doing auto commands. */ | |
| 9002 ++RedrawingDisabled; | |
| 9003 save_sourcing_name = sourcing_name; | |
| 9004 sourcing_name = NULL; /* don't free this one */ | |
| 9005 save_sourcing_lnum = sourcing_lnum; | |
| 9006 sourcing_lnum = 0; /* no line number here */ | |
| 9007 | |
| 9008 #ifdef FEAT_EVAL | |
| 9009 save_current_SID = current_SID; | |
| 9010 | |
| 170 | 9011 # ifdef FEAT_PROFILE |
| 788 | 9012 if (do_profiling == PROF_YES) |
| 170 | 9013 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9014 # endif | |
| 9015 | |
| 7 | 9016 /* Don't use local function variables, if called from a function */ |
| 9017 save_funccalp = save_funccal(); | |
| 9018 #endif | |
| 9019 | |
| 9020 /* | |
| 9021 * When starting to execute autocommands, save the search patterns. | |
| 9022 */ | |
| 9023 if (!autocmd_busy) | |
| 9024 { | |
| 9025 save_search_patterns(); | |
| 9026 saveRedobuff(); | |
| 9027 did_filetype = keep_filetype; | |
| 9028 } | |
| 9029 | |
| 9030 /* | |
| 9031 * Note that we are applying autocmds. Some commands need to know. | |
| 9032 */ | |
| 9033 autocmd_busy = TRUE; | |
| 9034 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9035 ++nesting; /* see matching decrement below */ | |
| 9036 | |
| 9037 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9038 if (event == EVENT_FILETYPE) | |
| 9039 did_filetype = TRUE; | |
| 9040 | |
| 9041 tail = gettail(fname); | |
| 9042 | |
| 9043 /* Find first autocommand that matches */ | |
| 9044 patcmd.curpat = first_autopat[(int)event]; | |
| 9045 patcmd.nextcmd = NULL; | |
| 9046 patcmd.group = group; | |
| 9047 patcmd.fname = fname; | |
| 9048 patcmd.sfname = sfname; | |
| 9049 patcmd.tail = tail; | |
| 9050 patcmd.event = event; | |
| 40 | 9051 patcmd.arg_bufnr = autocmd_bufnr; |
| 9052 patcmd.next = NULL; | |
| 7 | 9053 auto_next_pat(&patcmd, FALSE); |
| 9054 | |
| 9055 /* found one, start executing the autocommands */ | |
| 9056 if (patcmd.curpat != NULL) | |
| 9057 { | |
| 40 | 9058 /* add to active_apc_list */ |
| 9059 patcmd.next = active_apc_list; | |
| 9060 active_apc_list = &patcmd; | |
| 9061 | |
| 7 | 9062 #ifdef FEAT_EVAL |
| 9063 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9064 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9065 if (eap != NULL) | |
| 9066 { | |
| 9067 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9068 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9069 } | |
| 9070 else | |
| 9071 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9072 #endif | |
| 9073 retval = TRUE; | |
| 9074 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9075 * are added when executing autocommands */ | |
| 9076 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9077 ap->last = FALSE; | |
| 9078 ap->last = TRUE; | |
| 9079 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9080 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9081 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9082 #ifdef FEAT_EVAL | |
| 9083 if (eap != NULL) | |
| 9084 { | |
| 9085 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9086 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9087 } | |
| 9088 #endif | |
| 40 | 9089 /* delete from active_apc_list */ |
| 9090 if (active_apc_list == &patcmd) /* just in case */ | |
| 9091 active_apc_list = patcmd.next; | |
| 7 | 9092 } |
| 9093 | |
| 9094 --RedrawingDisabled; | |
| 9095 autocmd_busy = save_autocmd_busy; | |
| 9096 filechangeshell_busy = FALSE; | |
| 9097 autocmd_nested = save_autocmd_nested; | |
| 9098 vim_free(sourcing_name); | |
| 9099 sourcing_name = save_sourcing_name; | |
| 9100 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9101 vim_free(autocmd_fname); |
| 7 | 9102 autocmd_fname = save_autocmd_fname; |
| 1723 | 9103 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9104 autocmd_bufnr = save_autocmd_bufnr; |
| 9105 autocmd_match = save_autocmd_match; | |
| 9106 #ifdef FEAT_EVAL | |
| 9107 current_SID = save_current_SID; | |
| 9108 restore_funccal(save_funccalp); | |
| 170 | 9109 # ifdef FEAT_PROFILE |
| 788 | 9110 if (do_profiling == PROF_YES) |
| 170 | 9111 prof_child_exit(&wait_time); |
| 9112 # endif | |
| 7 | 9113 #endif |
| 9114 vim_free(fname); | |
| 9115 vim_free(sfname); | |
| 9116 --nesting; /* see matching increment above */ | |
| 9117 | |
| 9118 /* | |
| 9119 * When stopping to execute autocommands, restore the search patterns and | |
| 9120 * the redo buffer. | |
| 9121 */ | |
| 9122 if (!autocmd_busy) | |
| 9123 { | |
| 9124 restore_search_patterns(); | |
| 9125 restoreRedobuff(); | |
| 9126 did_filetype = FALSE; | |
| 9127 } | |
| 9128 | |
| 9129 /* | |
| 9130 * Some events don't set or reset the Changed flag. | |
| 9131 * Check if still in the same buffer! | |
| 9132 */ | |
| 9133 if (curbuf == old_curbuf | |
| 9134 && (event == EVENT_BUFREADPOST | |
| 9135 || event == EVENT_BUFWRITEPOST | |
| 9136 || event == EVENT_FILEAPPENDPOST | |
| 9137 || event == EVENT_VIMLEAVE | |
| 9138 || event == EVENT_VIMLEAVEPRE)) | |
| 9139 { | |
| 9140 #ifdef FEAT_TITLE | |
| 9141 if (curbuf->b_changed != save_changed) | |
| 9142 need_maketitle = TRUE; | |
| 9143 #endif | |
| 9144 curbuf->b_changed = save_changed; | |
| 9145 } | |
| 9146 | |
| 9147 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9148 |
| 9149 BYPASS_AU: | |
| 9150 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9151 * are deleted. */ | |
| 9152 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9153 aubuflocal_remove(buf); | |
| 9154 | |
| 7 | 9155 return retval; |
| 9156 } | |
| 9157 | |
| 1410 | 9158 # ifdef FEAT_EVAL |
| 9159 static char_u *old_termresponse = NULL; | |
| 9160 # endif | |
| 9161 | |
| 9162 /* | |
| 9163 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9164 * Can be used recursively, so long as it's symmetric. | |
| 9165 */ | |
| 9166 void | |
| 9167 block_autocmds() | |
| 9168 { | |
| 9169 # ifdef FEAT_EVAL | |
| 9170 /* Remember the value of v:termresponse. */ | |
| 9171 if (autocmd_blocked == 0) | |
| 9172 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9173 # endif | |
| 9174 ++autocmd_blocked; | |
| 9175 } | |
| 9176 | |
| 9177 void | |
| 9178 unblock_autocmds() | |
| 9179 { | |
| 9180 --autocmd_blocked; | |
| 9181 | |
| 9182 # ifdef FEAT_EVAL | |
| 9183 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9184 * the autocommands now. Esp. useful when executing a shell command | |
| 9185 * during startup (vimdiff). */ | |
| 9186 if (autocmd_blocked == 0 | |
| 9187 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9188 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9189 # endif | |
| 9190 } | |
| 9191 | |
| 7 | 9192 /* |
| 9193 * Find next autocommand pattern that matches. | |
| 9194 */ | |
| 9195 static void | |
| 9196 auto_next_pat(apc, stop_at_last) | |
| 9197 AutoPatCmd *apc; | |
| 9198 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9199 { | |
| 9200 AutoPat *ap; | |
| 9201 AutoCmd *cp; | |
| 9202 char_u *name; | |
| 9203 char *s; | |
| 9204 | |
| 9205 vim_free(sourcing_name); | |
| 9206 sourcing_name = NULL; | |
| 9207 | |
| 9208 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9209 { | |
| 9210 apc->curpat = NULL; | |
| 9211 | |
| 1723 | 9212 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9213 * the group matches. For buffer-local autocommands only check the |
| 9214 * buffer number. */ | |
| 7 | 9215 if (ap->pat != NULL && ap->cmds != NULL |
| 9216 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9217 { | |
| 40 | 9218 /* execution-condition */ |
| 9219 if (ap->buflocal_nr == 0 | |
| 153 | 9220 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9221 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9222 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9223 { |
| 9224 name = event_nr2name(apc->event); | |
| 9225 s = _("%s Auto commands for \"%s\""); | |
| 9226 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9227 + STRLEN(name) + ap->patlen + 1)); | |
| 9228 if (sourcing_name != NULL) | |
| 9229 { | |
| 9230 sprintf((char *)sourcing_name, s, | |
| 9231 (char *)name, (char *)ap->pat); | |
| 9232 if (p_verbose >= 8) | |
| 292 | 9233 { |
| 9234 verbose_enter(); | |
| 273 | 9235 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9236 verbose_leave(); |
| 9237 } | |
| 7 | 9238 } |
| 9239 | |
| 9240 apc->curpat = ap; | |
| 9241 apc->nextcmd = ap->cmds; | |
| 9242 /* mark last command */ | |
| 9243 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9244 cp->last = FALSE; | |
| 9245 cp->last = TRUE; | |
| 9246 } | |
| 9247 line_breakcheck(); | |
| 9248 if (apc->curpat != NULL) /* found a match */ | |
| 9249 break; | |
| 9250 } | |
| 9251 if (stop_at_last && ap->last) | |
| 9252 break; | |
| 9253 } | |
| 9254 } | |
| 9255 | |
| 9256 /* | |
| 9257 * Get next autocommand command. | |
| 9258 * Called by do_cmdline() to get the next line for ":if". | |
| 9259 * Returns allocated string, or NULL for end of autocommands. | |
| 9260 */ | |
| 9261 static char_u * | |
| 9262 getnextac(c, cookie, indent) | |
| 1880 | 9263 int c UNUSED; |
| 7 | 9264 void *cookie; |
| 1880 | 9265 int indent UNUSED; |
| 7 | 9266 { |
| 9267 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9268 char_u *retval; | |
| 9269 AutoCmd *ac; | |
| 9270 | |
| 9271 /* Can be called again after returning the last line. */ | |
| 9272 if (acp->curpat == NULL) | |
| 9273 return NULL; | |
| 9274 | |
| 9275 /* repeat until we find an autocommand to execute */ | |
| 9276 for (;;) | |
| 9277 { | |
| 9278 /* skip removed commands */ | |
| 9279 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9280 if (acp->nextcmd->last) | |
| 9281 acp->nextcmd = NULL; | |
| 9282 else | |
| 9283 acp->nextcmd = acp->nextcmd->next; | |
| 9284 | |
| 9285 if (acp->nextcmd != NULL) | |
| 9286 break; | |
| 9287 | |
| 9288 /* at end of commands, find next pattern that matches */ | |
| 9289 if (acp->curpat->last) | |
| 9290 acp->curpat = NULL; | |
| 9291 else | |
| 9292 acp->curpat = acp->curpat->next; | |
| 9293 if (acp->curpat != NULL) | |
| 9294 auto_next_pat(acp, TRUE); | |
| 9295 if (acp->curpat == NULL) | |
| 9296 return NULL; | |
| 9297 } | |
| 9298 | |
| 9299 ac = acp->nextcmd; | |
| 9300 | |
| 9301 if (p_verbose >= 9) | |
| 9302 { | |
| 292 | 9303 verbose_enter_scroll(); |
| 273 | 9304 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9305 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9306 verbose_leave_scroll(); |
| 7 | 9307 } |
| 9308 retval = vim_strsave(ac->cmd); | |
| 9309 autocmd_nested = ac->nested; | |
| 9310 #ifdef FEAT_EVAL | |
| 9311 current_SID = ac->scriptID; | |
| 9312 #endif | |
| 9313 if (ac->last) | |
| 9314 acp->nextcmd = NULL; | |
| 9315 else | |
| 9316 acp->nextcmd = ac->next; | |
| 9317 return retval; | |
| 9318 } | |
| 9319 | |
| 9320 /* | |
| 9321 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9322 * To account for buffer-local autocommands, function needs to know |
| 9323 * in which buffer the file will be opened. | |
| 7 | 9324 */ |
| 9325 int | |
| 40 | 9326 has_autocmd(event, sfname, buf) |
| 661 | 9327 event_T event; |
| 7 | 9328 char_u *sfname; |
| 40 | 9329 buf_T *buf; |
| 7 | 9330 { |
| 9331 AutoPat *ap; | |
| 9332 char_u *fname; | |
| 9333 char_u *tail = gettail(sfname); | |
| 9334 int retval = FALSE; | |
| 9335 | |
| 9336 fname = FullName_save(sfname, FALSE); | |
| 9337 if (fname == NULL) | |
| 9338 return FALSE; | |
| 9339 | |
| 9340 #ifdef BACKSLASH_IN_FILENAME | |
| 9341 /* | |
| 9342 * Replace all backslashes with forward slashes. This makes the | |
| 9343 * autocommand patterns portable between Unix and MS-DOS. | |
| 9344 */ | |
| 9345 sfname = vim_strsave(sfname); | |
| 9346 if (sfname != NULL) | |
| 9347 forward_slash(sfname); | |
| 9348 forward_slash(fname); | |
| 9349 #endif | |
| 9350 | |
| 9351 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9352 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9353 && (ap->buflocal_nr == 0 |
| 153 | 9354 ? match_file_pat(NULL, ap->reg_prog, |
| 9355 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9356 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9357 )) |
| 7 | 9358 { |
| 9359 retval = TRUE; | |
| 9360 break; | |
| 9361 } | |
| 9362 | |
| 9363 vim_free(fname); | |
| 9364 #ifdef BACKSLASH_IN_FILENAME | |
| 9365 vim_free(sfname); | |
| 9366 #endif | |
| 9367 | |
| 9368 return retval; | |
| 9369 } | |
| 9370 | |
| 9371 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9372 /* | |
| 9373 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9374 * names. | |
| 9375 */ | |
| 9376 char_u * | |
| 9377 get_augroup_name(xp, idx) | |
| 1880 | 9378 expand_T *xp UNUSED; |
| 7 | 9379 int idx; |
| 9380 { | |
| 9381 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9382 return (char_u *)"END"; | |
| 9383 if (idx >= augroups.ga_len) /* end of list */ | |
| 9384 return NULL; | |
| 9385 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9386 return (char_u *)""; | |
| 9387 return AUGROUP_NAME(idx); /* return a name */ | |
| 9388 } | |
| 9389 | |
| 9390 static int include_groups = FALSE; | |
| 9391 | |
| 9392 char_u * | |
| 9393 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9394 expand_T *xp; | |
| 9395 char_u *arg; | |
| 1733 | 9396 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9397 { |
| 9398 char_u *p; | |
| 9399 int group; | |
| 9400 | |
| 9401 /* check for a group name, skip it if present */ | |
| 9402 include_groups = FALSE; | |
| 9403 p = arg; | |
| 9404 group = au_get_grouparg(&arg); | |
| 9405 if (group == AUGROUP_ERROR) | |
| 9406 return NULL; | |
| 9407 /* If there only is a group name that's what we expand. */ | |
| 9408 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9409 { | |
| 9410 arg = p; | |
| 9411 group = AUGROUP_ALL; | |
| 9412 } | |
| 9413 | |
| 9414 /* skip over event name */ | |
| 9415 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9416 if (*p == ',') | |
| 9417 arg = p + 1; | |
| 9418 if (*p == NUL) | |
| 9419 { | |
| 9420 if (group == AUGROUP_ALL) | |
| 9421 include_groups = TRUE; | |
| 9422 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9423 xp->xp_pattern = arg; | |
| 9424 return NULL; | |
| 9425 } | |
| 9426 | |
| 9427 /* skip over pattern */ | |
| 9428 arg = skipwhite(p); | |
| 9429 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9430 arg++; | |
| 9431 if (*arg) | |
| 9432 return arg; /* expand (next) command */ | |
| 9433 | |
| 9434 if (doautocmd) | |
| 9435 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9436 else | |
| 9437 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9438 return NULL; | |
| 9439 } | |
| 9440 | |
| 9441 /* | |
| 9442 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9443 */ | |
| 9444 char_u * | |
| 9445 get_event_name(xp, idx) | |
| 1880 | 9446 expand_T *xp UNUSED; |
| 7 | 9447 int idx; |
| 9448 { | |
| 9449 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9450 { | |
| 9451 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9452 return (char_u *)""; /* skip deleted entries */ | |
| 9453 return AUGROUP_NAME(idx); /* return a name */ | |
| 9454 } | |
| 9455 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9456 } | |
| 9457 | |
| 9458 #endif /* FEAT_CMDL_COMPL */ | |
| 9459 | |
| 9460 /* | |
| 615 | 9461 * Return TRUE if autocmd is supported. |
| 9462 */ | |
| 9463 int | |
| 9464 autocmd_supported(name) | |
| 9465 char_u *name; | |
| 9466 { | |
| 9467 char_u *p; | |
| 9468 | |
| 9469 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9470 } | |
| 9471 | |
| 9472 /* | |
| 612 | 9473 * Return TRUE if an autocommand is defined for a group, event and |
| 9474 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9475 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9476 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9477 * Used for: | |
| 9478 * exists("#Group") or | |
| 9479 * exists("#Group#Event") or | |
| 9480 * exists("#Group#Event#pat") or | |
| 9481 * exists("#Event") or | |
| 9482 * exists("#Event#pat") | |
| 7 | 9483 */ |
| 9484 int | |
| 612 | 9485 au_exists(arg) |
| 9486 char_u *arg; | |
| 7 | 9487 { |
| 612 | 9488 char_u *arg_save; |
| 9489 char_u *pattern = NULL; | |
| 7 | 9490 char_u *event_name; |
| 9491 char_u *p; | |
| 661 | 9492 event_T event; |
| 7 | 9493 AutoPat *ap; |
| 40 | 9494 buf_T *buflocal_buf = NULL; |
| 612 | 9495 int group; |
| 9496 int retval = FALSE; | |
| 9497 | |
| 615 | 9498 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9499 arg_save = vim_strsave(arg); |
| 9500 if (arg_save == NULL) | |
| 9501 return FALSE; | |
| 615 | 9502 p = vim_strchr(arg_save, '#'); |
| 612 | 9503 if (p != NULL) |
| 9504 *p++ = NUL; | |
| 9505 | |
| 9506 /* First, look for an autocmd group name */ | |
| 9507 group = au_find_group(arg_save); | |
| 9508 if (group == AUGROUP_ERROR) | |
| 9509 { | |
| 9510 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9511 group = AUGROUP_ALL; | |
| 9512 event_name = arg_save; | |
| 9513 } | |
| 9514 else | |
| 9515 { | |
| 9516 if (p == NULL) | |
| 9517 { | |
| 9518 /* "Group": group name is present and it's recognized */ | |
| 9519 retval = TRUE; | |
| 9520 goto theend; | |
| 9521 } | |
| 9522 | |
| 9523 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9524 event_name = p; | |
| 9525 p = vim_strchr(event_name, '#'); | |
| 9526 if (p != NULL) | |
| 9527 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9528 } | |
| 9529 | |
| 9530 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9531 |
| 9532 /* find the index (enum) for the event name */ | |
| 9533 event = event_name2nr(event_name, &p); | |
| 9534 | |
| 9535 /* return FALSE if the event name is not recognized */ | |
| 612 | 9536 if (event == NUM_EVENTS) |
| 9537 goto theend; | |
| 7 | 9538 |
| 9539 /* Find the first autocommand for this event. | |
| 9540 * If there isn't any, return FALSE; | |
| 9541 * If there is one and no pattern given, return TRUE; */ | |
| 9542 ap = first_autopat[(int)event]; | |
| 9543 if (ap == NULL) | |
| 612 | 9544 goto theend; |
| 7 | 9545 |
| 40 | 9546 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9547 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9548 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9549 buflocal_buf = curbuf; |
| 9550 | |
| 7 | 9551 /* Check if there is an autocommand with the given pattern. */ |
| 9552 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9553 /* only use a pattern when it has not been removed and has commands. */ |
| 9554 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9555 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9556 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9557 && (pattern == NULL |
| 9558 || (buflocal_buf == NULL | |
| 9559 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9560 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9561 { |
| 9562 retval = TRUE; | |
| 9563 break; | |
| 9564 } | |
| 9565 | |
| 9566 theend: | |
| 9567 vim_free(arg_save); | |
| 9568 return retval; | |
| 7 | 9569 } |
| 40 | 9570 |
| 934 | 9571 #else /* FEAT_AUTOCMD */ |
| 9572 | |
| 9573 /* | |
| 9574 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9575 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9576 * "curbuf" and "curwin" to match "buf". | |
| 9577 */ | |
| 9578 void | |
| 9579 aucmd_prepbuf(aco, buf) | |
| 9580 aco_save_T *aco; /* structure to save values in */ | |
| 9581 buf_T *buf; /* new curbuf */ | |
| 9582 { | |
| 1906 | 9583 aco->save_curbuf = curbuf; |
| 9584 --curbuf->b_nwindows; | |
| 934 | 9585 curbuf = buf; |
| 9586 curwin->w_buffer = buf; | |
| 1906 | 9587 ++curbuf->b_nwindows; |
| 934 | 9588 } |
| 9589 | |
| 9590 /* | |
| 9591 * Restore after executing commands for a (hidden) buffer. | |
| 9592 * This is the non-autocommand version. | |
| 9593 */ | |
| 9594 void | |
| 9595 aucmd_restbuf(aco) | |
| 9596 aco_save_T *aco; /* structure holding saved values */ | |
| 9597 { | |
| 1906 | 9598 --curbuf->b_nwindows; |
| 9599 curbuf = aco->save_curbuf; | |
| 934 | 9600 curwin->w_buffer = curbuf; |
| 1906 | 9601 ++curbuf->b_nwindows; |
| 934 | 9602 } |
| 9603 | |
| 7 | 9604 #endif /* FEAT_AUTOCMD */ |
| 9605 | |
| 934 | 9606 |
| 7 | 9607 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 9608 /* | |
| 153 | 9609 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 9610 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 9611 * vim_regcomp() often. | |
| 7 | 9612 * Used for autocommands and 'wildignore'. |
| 9613 * Returns TRUE if there is a match, FALSE otherwise. | |
| 9614 */ | |
| 9615 int | |
| 153 | 9616 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 9617 char_u *pattern; /* pattern to match with */ |
| 153 | 9618 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 9619 char_u *fname; /* full path of file name */ |
| 9620 char_u *sfname; /* short file name or NULL */ | |
| 9621 char_u *tail; /* tail of path */ | |
| 9622 int allow_dirs; /* allow matching with dir */ | |
| 9623 { | |
| 9624 regmatch_T regmatch; | |
| 9625 int result = FALSE; | |
| 9626 #ifdef FEAT_OSFILETYPE | |
| 9627 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 9628 char_u *type_start; | |
| 9629 char_u c; | |
| 9630 int match = FALSE; | |
| 9631 #endif | |
| 9632 | |
| 9633 #ifdef CASE_INSENSITIVE_FILENAME | |
| 9634 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
| 9635 #else | |
| 9636 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
| 9637 #endif | |
| 9638 #ifdef FEAT_OSFILETYPE | |
| 9639 if (*pattern == '<') | |
| 9640 { | |
| 9641 /* There is a filetype condition specified with this pattern. | |
| 9642 * Check the filetype matches first. If not, don't bother with the | |
| 9643 * pattern (set regprog to NULL). | |
| 9644 * Always use magic for the regexp. | |
| 9645 */ | |
| 9646 | |
| 9647 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 9648 { | |
| 9649 if ((c == ';' || c == '>') && match == FALSE) | |
| 9650 { | |
| 9651 *pattern = NUL; /* Terminate the string */ | |
| 9652 match = mch_check_filetype(fname, type_start); | |
| 9653 *pattern = c; /* Restore the terminator */ | |
| 9654 type_start = pattern + 1; | |
| 9655 } | |
| 9656 if (c == '>') | |
| 9657 break; | |
| 9658 } | |
| 9659 | |
| 9660 /* (c should never be NUL, but check anyway) */ | |
| 9661 if (match == FALSE || c == NUL) | |
| 9662 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 9663 else if (*pattern == NUL) | |
| 9664 { | |
| 9665 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 9666 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 9667 } | |
| 9668 else | |
| 9669 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 9670 } | |
| 9671 else | |
| 9672 #endif | |
| 153 | 9673 { |
| 9674 if (prog != NULL) | |
| 9675 regmatch.regprog = prog; | |
| 9676 else | |
| 9677 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 9678 } | |
| 7 | 9679 |
| 9680 /* | |
| 9681 * Try for a match with the pattern with: | |
| 9682 * 1. the full file name, when the pattern has a '/'. | |
| 9683 * 2. the short file name, when the pattern has a '/'. | |
| 9684 * 3. the tail of the file name, when the pattern has no '/'. | |
| 9685 */ | |
| 9686 if ( | |
| 9687 #ifdef FEAT_OSFILETYPE | |
| 9688 /* If the check is for a filetype only and we don't care | |
| 9689 * about the path then skip all the regexp stuff. | |
| 9690 */ | |
| 9691 no_pattern || | |
| 9692 #endif | |
| 9693 (regmatch.regprog != NULL | |
| 9694 && ((allow_dirs | |
| 9695 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 9696 || (sfname != NULL | |
| 9697 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 9698 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 9699 result = TRUE; | |
| 9700 | |
| 153 | 9701 if (prog == NULL) |
| 9702 vim_free(regmatch.regprog); | |
| 7 | 9703 return result; |
| 9704 } | |
| 9705 #endif | |
| 9706 | |
| 9707 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 9708 /* | |
| 9709 * Return TRUE if a file matches with a pattern in "list". | |
| 9710 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 9711 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 9712 */ | |
| 9713 int | |
| 9714 match_file_list(list, sfname, ffname) | |
| 9715 char_u *list; | |
| 9716 char_u *sfname; | |
| 9717 char_u *ffname; | |
| 9718 { | |
| 9719 char_u buf[100]; | |
| 9720 char_u *tail; | |
| 9721 char_u *regpat; | |
| 9722 char allow_dirs; | |
| 9723 int match; | |
| 9724 char_u *p; | |
| 9725 | |
| 9726 tail = gettail(sfname); | |
| 9727 | |
| 9728 /* try all patterns in 'wildignore' */ | |
| 9729 p = list; | |
| 9730 while (*p) | |
| 9731 { | |
| 9732 copy_option_part(&p, buf, 100, ","); | |
| 9733 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 9734 if (regpat == NULL) | |
| 9735 break; | |
| 153 | 9736 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 9737 tail, (int)allow_dirs); | |
| 7 | 9738 vim_free(regpat); |
| 9739 if (match) | |
| 9740 return TRUE; | |
| 9741 } | |
| 9742 return FALSE; | |
| 9743 } | |
| 9744 #endif | |
| 9745 | |
| 9746 /* | |
| 9747 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 9748 * a regular expression, and return the result in allocated memory. If there | |
| 9749 * is a directory path separator to be matched, then TRUE is put in | |
| 9750 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 9751 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 9752 * | |
| 9753 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 9754 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 9755 * | |
| 9756 * Returns NULL when out of memory. | |
| 9757 */ | |
| 9758 char_u * | |
| 9759 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 9760 char_u *pat; | |
| 9761 char_u *pat_end; /* first char after pattern or NULL */ | |
| 9762 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 9763 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 9764 { |
| 9765 int size; | |
| 9766 char_u *endp; | |
| 9767 char_u *reg_pat; | |
| 9768 char_u *p; | |
| 9769 int i; | |
| 9770 int nested = 0; | |
| 9771 int add_dollar = TRUE; | |
| 9772 #ifdef FEAT_OSFILETYPE | |
| 9773 int check_length = 0; | |
| 9774 #endif | |
| 9775 | |
| 9776 if (allow_dirs != NULL) | |
| 9777 *allow_dirs = FALSE; | |
| 9778 if (pat_end == NULL) | |
| 9779 pat_end = pat + STRLEN(pat); | |
| 9780 | |
| 9781 #ifdef FEAT_OSFILETYPE | |
| 9782 /* Find out how much of the string is the filetype check */ | |
| 9783 if (*pat == '<') | |
| 9784 { | |
| 9785 /* Count chars until the next '>' */ | |
| 9786 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 9787 ; | |
| 9788 if (p < pat_end) | |
| 9789 { | |
| 9790 /* Pattern is of the form <.*>.* */ | |
| 9791 check_length = p - pat + 1; | |
| 9792 if (p + 1 >= pat_end) | |
| 9793 { | |
| 9794 /* The 'pattern' is a filetype check ONLY */ | |
| 9795 reg_pat = (char_u *)alloc(check_length + 1); | |
| 9796 if (reg_pat != NULL) | |
| 9797 { | |
| 9798 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 9799 reg_pat[check_length] = NUL; | |
| 9800 } | |
| 9801 return reg_pat; | |
| 9802 } | |
| 9803 } | |
| 9804 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 9805 | |
| 9806 } | |
| 9807 pat += check_length; | |
| 9808 size = 2 + check_length; | |
| 9809 #else | |
| 9810 size = 2; /* '^' at start, '$' at end */ | |
| 9811 #endif | |
| 9812 | |
| 9813 for (p = pat; p < pat_end; p++) | |
| 9814 { | |
| 9815 switch (*p) | |
| 9816 { | |
| 9817 case '*': | |
| 9818 case '.': | |
| 9819 case ',': | |
| 9820 case '{': | |
| 9821 case '}': | |
| 9822 case '~': | |
| 9823 size += 2; /* extra backslash */ | |
| 9824 break; | |
| 9825 #ifdef BACKSLASH_IN_FILENAME | |
| 9826 case '\\': | |
| 9827 case '/': | |
| 9828 size += 4; /* could become "[\/]" */ | |
| 9829 break; | |
| 9830 #endif | |
| 9831 default: | |
| 9832 size++; | |
| 9833 # ifdef FEAT_MBYTE | |
| 474 | 9834 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 9835 { |
| 9836 ++p; | |
| 9837 ++size; | |
| 9838 } | |
| 9839 # endif | |
| 9840 break; | |
| 9841 } | |
| 9842 } | |
| 9843 reg_pat = alloc(size + 1); | |
| 9844 if (reg_pat == NULL) | |
| 9845 return NULL; | |
| 9846 | |
| 9847 #ifdef FEAT_OSFILETYPE | |
| 9848 /* Copy the type check in to the start. */ | |
| 9849 if (check_length) | |
| 9850 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 9851 i = check_length; | |
| 9852 #else | |
| 9853 i = 0; | |
| 9854 #endif | |
| 9855 | |
| 9856 if (pat[0] == '*') | |
| 9857 while (pat[0] == '*' && pat < pat_end - 1) | |
| 9858 pat++; | |
| 9859 else | |
| 9860 reg_pat[i++] = '^'; | |
| 9861 endp = pat_end - 1; | |
| 9862 if (*endp == '*') | |
| 9863 { | |
| 9864 while (endp - pat > 0 && *endp == '*') | |
| 9865 endp--; | |
| 9866 add_dollar = FALSE; | |
| 9867 } | |
| 9868 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 9869 { | |
| 9870 switch (*p) | |
| 9871 { | |
| 9872 case '*': | |
| 9873 reg_pat[i++] = '.'; | |
| 9874 reg_pat[i++] = '*'; | |
| 444 | 9875 while (p[1] == '*') /* "**" matches like "*" */ |
| 9876 ++p; | |
| 7 | 9877 break; |
| 9878 case '.': | |
| 9879 #ifdef RISCOS | |
| 9880 if (allow_dirs != NULL) | |
| 9881 *allow_dirs = TRUE; | |
| 9882 /* FALLTHROUGH */ | |
| 9883 #endif | |
| 9884 case '~': | |
| 9885 reg_pat[i++] = '\\'; | |
| 9886 reg_pat[i++] = *p; | |
| 9887 break; | |
| 9888 case '?': | |
| 9889 #ifdef RISCOS | |
| 9890 case '#': | |
| 9891 #endif | |
| 9892 reg_pat[i++] = '.'; | |
| 9893 break; | |
| 9894 case '\\': | |
| 9895 if (p[1] == NUL) | |
| 9896 break; | |
| 9897 #ifdef BACKSLASH_IN_FILENAME | |
| 9898 if (!no_bslash) | |
| 9899 { | |
| 9900 /* translate: | |
| 9901 * "\x" to "\\x" e.g., "dir\file" | |
| 9902 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 9903 * "\?" to "\\." e.g., "dir\??.c" | |
| 9904 * "\+" to "\+" e.g., "fileX\+.c" | |
| 9905 */ | |
| 9906 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 9907 && p[1] != '+') | |
| 9908 { | |
| 9909 reg_pat[i++] = '['; | |
| 9910 reg_pat[i++] = '\\'; | |
| 9911 reg_pat[i++] = '/'; | |
| 9912 reg_pat[i++] = ']'; | |
| 9913 if (allow_dirs != NULL) | |
| 9914 *allow_dirs = TRUE; | |
| 9915 break; | |
| 9916 } | |
| 9917 } | |
| 9918 #endif | |
| 9919 if (*++p == '?' | |
| 9920 #ifdef BACKSLASH_IN_FILENAME | |
| 9921 && no_bslash | |
| 9922 #endif | |
| 9923 ) | |
| 9924 reg_pat[i++] = '?'; | |
| 9925 else | |
| 9926 if (*p == ',') | |
| 9927 reg_pat[i++] = ','; | |
| 9928 else | |
| 9929 { | |
| 9930 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 9931 #ifdef BACKSLASH_IN_FILENAME | |
| 9932 && (!no_bslash || *p != '\\') | |
| 9933 #endif | |
| 9934 ) | |
| 9935 *allow_dirs = TRUE; | |
| 9936 reg_pat[i++] = '\\'; | |
| 9937 reg_pat[i++] = *p; | |
| 9938 } | |
| 9939 break; | |
| 9940 #ifdef BACKSLASH_IN_FILENAME | |
| 9941 case '/': | |
| 9942 reg_pat[i++] = '['; | |
| 9943 reg_pat[i++] = '\\'; | |
| 9944 reg_pat[i++] = '/'; | |
| 9945 reg_pat[i++] = ']'; | |
| 9946 if (allow_dirs != NULL) | |
| 9947 *allow_dirs = TRUE; | |
| 9948 break; | |
| 9949 #endif | |
| 9950 case '{': | |
| 9951 reg_pat[i++] = '\\'; | |
| 9952 reg_pat[i++] = '('; | |
| 9953 nested++; | |
| 9954 break; | |
| 9955 case '}': | |
| 9956 reg_pat[i++] = '\\'; | |
| 9957 reg_pat[i++] = ')'; | |
| 9958 --nested; | |
| 9959 break; | |
| 9960 case ',': | |
| 9961 if (nested) | |
| 9962 { | |
| 9963 reg_pat[i++] = '\\'; | |
| 9964 reg_pat[i++] = '|'; | |
| 9965 } | |
| 9966 else | |
| 9967 reg_pat[i++] = ','; | |
| 9968 break; | |
| 9969 default: | |
| 9970 # ifdef FEAT_MBYTE | |
| 474 | 9971 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 9972 reg_pat[i++] = *p++; |
| 9973 else | |
| 9974 # endif | |
| 9975 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 9976 *allow_dirs = TRUE; | |
| 9977 reg_pat[i++] = *p; | |
| 9978 break; | |
| 9979 } | |
| 9980 } | |
| 9981 if (add_dollar) | |
| 9982 reg_pat[i++] = '$'; | |
| 9983 reg_pat[i] = NUL; | |
| 9984 if (nested != 0) | |
| 9985 { | |
| 9986 if (nested < 0) | |
| 9987 EMSG(_("E219: Missing {.")); | |
| 9988 else | |
| 9989 EMSG(_("E220: Missing }.")); | |
| 9990 vim_free(reg_pat); | |
| 9991 reg_pat = NULL; | |
| 9992 } | |
| 9993 return reg_pat; | |
| 9994 } |