Mercurial > vim
annotate src/fileio.c @ 2180:f60a0c9cbe6c vim73
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sun, 16 May 2010 22:32:54 +0200 |
| parents | 2bd29808d1f6 |
| children | c493d6bfde09 |
| 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 | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
36 char crypt_magic_01[] = "VimCrypt~01!"; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
37 char crypt_magic_02[] = "VimCrypt~02!"; |
| 7 | 38 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */ |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
39 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
40 /* crypt_magic[0] is pkzip crypt, crypt_magic[1] is sha2+blowfish */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
41 static char *crypt_magic[] = {crypt_magic_01, crypt_magic_02}; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
42 static int crypt_seed_len[] = {0, 8}; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
43 #define CRYPT_SEED_LEN_MAX 8 |
| 7 | 44 #endif |
| 45 | |
| 46 /* Is there any system that doesn't have access()? */ | |
| 574 | 47 #define USE_MCH_ACCESS |
| 7 | 48 |
| 1313 | 49 #if defined(sun) && defined(S_ISCHR) |
| 50 # define OPEN_CHR_FILES | |
| 51 static int is_dev_fd_file(char_u *fname); | |
| 52 #endif | |
| 7 | 53 #ifdef FEAT_MBYTE |
| 54 static char_u *next_fenc __ARGS((char_u **pp)); | |
| 55 # ifdef FEAT_EVAL | |
| 56 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
| 57 # endif | |
| 58 #endif | |
| 59 #ifdef FEAT_VIMINFO | |
| 60 static void check_marks_read __ARGS((void)); | |
| 61 #endif | |
| 62 #ifdef FEAT_CRYPT | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
63 static int get_crypt_method __ARGS((char *ptr, int len)); |
| 7 | 64 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, long *filesizep, int newfile)); |
| 65 #endif | |
| 66 #ifdef UNIX | |
| 67 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
| 68 #endif | |
| 633 | 69 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
| 7 | 70 static int msg_add_fileformat __ARGS((int eol_type)); |
| 71 static void msg_add_eol __ARGS((void)); | |
| 72 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
| 73 static int time_differs __ARGS((long t1, long t2)); | |
| 74 #ifdef FEAT_AUTOCMD | |
| 661 | 75 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 | 76 static int au_find_group __ARGS((char_u *name)); |
| 77 | |
| 78 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
| 1834 | 79 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
| 676 | 80 # define AUGROUP_ALL -3 /* all autocmd groups */ |
| 7 | 81 #endif |
| 82 | |
| 83 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
| 84 # define HAS_BW_FLAGS | |
| 85 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
| 86 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
| 87 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
| 88 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
| 89 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
| 90 # ifdef WIN3264 | |
| 91 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
| 92 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
| 93 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
| 94 # endif | |
| 95 # ifdef MACOS_X | |
| 96 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
| 97 # endif | |
| 98 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
| 99 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
| 100 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
| 101 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
| 102 # define FIO_ALL -1 /* allow all formats */ | |
| 103 #endif | |
| 104 | |
| 105 /* When converting, a read() or write() may leave some bytes to be converted | |
| 106 * for the next call. The value is guessed... */ | |
| 107 #define CONV_RESTLEN 30 | |
| 108 | |
| 109 /* We have to guess how much a sequence of bytes may expand when converting | |
| 110 * with iconv() to be able to allocate a buffer. */ | |
| 111 #define ICONV_MULT 8 | |
| 112 | |
| 113 /* | |
| 114 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
| 115 */ | |
| 116 struct bw_info | |
| 117 { | |
| 118 int bw_fd; /* file descriptor */ | |
| 119 char_u *bw_buf; /* buffer with data to be written */ | |
| 1411 | 120 int bw_len; /* length of data */ |
| 7 | 121 #ifdef HAS_BW_FLAGS |
| 122 int bw_flags; /* FIO_ flags */ | |
| 123 #endif | |
| 124 #ifdef FEAT_MBYTE | |
| 125 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
| 126 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
| 127 int bw_first; /* first write call */ | |
| 128 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
| 129 int bw_conv_buflen; /* size of bw_conv_buf */ | |
| 130 int bw_conv_error; /* set for conversion error */ | |
| 1947 | 131 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
| 132 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
| 7 | 133 # ifdef USE_ICONV |
| 134 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
| 135 # endif | |
| 136 #endif | |
| 137 }; | |
| 138 | |
| 139 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
| 140 | |
| 141 #ifdef FEAT_MBYTE | |
| 595 | 142 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
| 7 | 143 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
| 1948 | 144 static int need_conversion __ARGS((char_u *fenc)); |
| 7 | 145 static int get_fio_flags __ARGS((char_u *ptr)); |
| 146 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
| 147 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
| 148 # ifdef WIN3264 | |
| 149 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
| 150 # endif | |
| 151 # ifdef MACOS_X | |
| 152 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
| 153 # endif | |
| 154 #endif | |
| 155 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
| 2006 | 156 #ifdef TEMPDIRNAMES |
| 1997 | 157 static void vim_settempdir __ARGS((char_u *tempdir)); |
| 2006 | 158 #endif |
| 1834 | 159 #ifdef FEAT_AUTOCMD |
| 160 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
| 161 #endif | |
| 595 | 162 |
| 7 | 163 void |
| 164 filemess(buf, name, s, attr) | |
| 165 buf_T *buf; | |
| 166 char_u *name; | |
| 167 char_u *s; | |
| 168 int attr; | |
| 169 { | |
| 170 int msg_scroll_save; | |
| 171 | |
| 172 if (msg_silent != 0) | |
| 173 return; | |
| 174 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
| 175 /* If it's extremely long, truncate it. */ | |
| 176 if (STRLEN(IObuff) > IOSIZE - 80) | |
| 177 IObuff[IOSIZE - 80] = NUL; | |
| 178 STRCAT(IObuff, s); | |
| 179 /* | |
| 180 * For the first message may have to start a new line. | |
| 181 * For further ones overwrite the previous one, reset msg_scroll before | |
| 182 * calling filemess(). | |
| 183 */ | |
| 184 msg_scroll_save = msg_scroll; | |
| 185 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
| 186 msg_scroll = FALSE; | |
| 187 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
| 188 check_for_delay(FALSE); | |
| 189 msg_start(); | |
| 190 msg_scroll = msg_scroll_save; | |
| 191 msg_scrolled_ign = TRUE; | |
| 192 /* may truncate the message to avoid a hit-return prompt */ | |
| 193 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
| 194 msg_clr_eos(); | |
| 195 out_flush(); | |
| 196 msg_scrolled_ign = FALSE; | |
| 197 } | |
| 198 | |
| 199 /* | |
| 200 * Read lines from file "fname" into the buffer after line "from". | |
| 201 * | |
| 202 * 1. We allocate blocks with lalloc, as big as possible. | |
| 203 * 2. Each block is filled with characters from the file with a single read(). | |
| 204 * 3. The lines are inserted in the buffer with ml_append(). | |
| 205 * | |
| 206 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
| 207 * | |
| 208 * "lines_to_skip" is the number of lines that must be skipped | |
| 209 * "lines_to_read" is the number of lines that are appended | |
| 210 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
| 211 * | |
| 212 * flags: | |
| 213 * READ_NEW starting to edit a new buffer | |
| 214 * READ_FILTER reading filter output | |
| 215 * READ_STDIN read from stdin instead of a file | |
| 216 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
| 217 * stdin) | |
| 218 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
| 219 * | |
| 220 * return FAIL for failure, OK otherwise | |
| 221 */ | |
| 222 int | |
| 223 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
| 224 char_u *fname; | |
| 225 char_u *sfname; | |
| 226 linenr_T from; | |
| 227 linenr_T lines_to_skip; | |
| 228 linenr_T lines_to_read; | |
| 229 exarg_T *eap; /* can be NULL! */ | |
| 230 int flags; | |
| 231 { | |
| 232 int fd = 0; | |
| 233 int newfile = (flags & READ_NEW); | |
| 234 int check_readonly; | |
| 235 int filtering = (flags & READ_FILTER); | |
| 236 int read_stdin = (flags & READ_STDIN); | |
| 237 int read_buffer = (flags & READ_BUFFER); | |
| 1486 | 238 int set_options = newfile || read_buffer |
| 239 || (eap != NULL && eap->read_edit); | |
| 7 | 240 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
| 241 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
| 242 char_u c; | |
| 243 linenr_T lnum = from; | |
| 244 char_u *ptr = NULL; /* pointer into read buffer */ | |
| 245 char_u *buffer = NULL; /* read buffer */ | |
| 246 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
| 247 char_u *line_start = NULL; /* init to shut up gcc */ | |
| 248 int wasempty; /* buffer was empty before reading */ | |
| 249 colnr_T len; | |
| 250 long size = 0; | |
| 251 char_u *p; | |
| 252 long filesize = 0; | |
| 253 int skip_read = FALSE; | |
| 254 #ifdef FEAT_CRYPT | |
| 255 char_u *cryptkey = NULL; | |
| 256 #endif | |
| 257 int split = 0; /* number of split lines */ | |
| 258 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
| 259 linenr_T linecnt; | |
| 260 int error = FALSE; /* errors encountered */ | |
| 261 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
| 262 long linerest = 0; /* remaining chars in line */ | |
| 263 #ifdef UNIX | |
| 264 int perm = 0; | |
| 265 int swap_mode = -1; /* protection bits for swap file */ | |
| 266 #else | |
| 267 int perm; | |
| 268 #endif | |
| 269 int fileformat = 0; /* end-of-line format */ | |
| 270 int keep_fileformat = FALSE; | |
| 271 struct stat st; | |
| 272 int file_readonly; | |
| 273 linenr_T skip_count = 0; | |
| 274 linenr_T read_count = 0; | |
| 275 int msg_save = msg_scroll; | |
| 276 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
| 277 * last read was missing the eol */ | |
| 278 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
| 279 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
| 280 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
| 281 int file_rewind = FALSE; | |
| 282 #ifdef FEAT_MBYTE | |
| 283 int can_retry; | |
| 595 | 284 linenr_T conv_error = 0; /* line nr with conversion error */ |
| 285 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
| 7 | 286 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
| 287 in destination encoding */ | |
| 595 | 288 int bad_char_behavior = BAD_REPLACE; |
| 289 /* BAD_KEEP, BAD_DROP or character to | |
| 290 * replace with */ | |
| 7 | 291 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
| 292 int fio_flags = 0; | |
| 293 char_u *fenc; /* fileencoding to use */ | |
| 294 int fenc_alloced; /* fenc_next is in allocated memory */ | |
| 295 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
| 296 int advance_fenc = FALSE; | |
| 297 long real_size = 0; | |
| 298 # ifdef USE_ICONV | |
| 299 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
| 300 # ifdef FEAT_EVAL | |
| 301 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
| 302 'charconvert' next */ | |
| 303 # endif | |
| 304 # endif | |
| 305 int converted = FALSE; /* TRUE if conversion done */ | |
| 306 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
| 307 wasn't possible */ | |
| 308 char_u conv_rest[CONV_RESTLEN]; | |
| 309 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
| 310 #endif | |
| 311 | |
| 1834 | 312 #ifdef FEAT_AUTOCMD |
| 313 /* Remember the initial values of curbuf, curbuf->b_ffname and | |
| 314 * curbuf->b_fname to detect whether they are altered as a result of | |
| 315 * executing nasty autocommands. Also check if "fname" and "sfname" | |
| 316 * point to one of these values. */ | |
| 317 buf_T *old_curbuf = curbuf; | |
| 318 char_u *old_b_ffname = curbuf->b_ffname; | |
| 319 char_u *old_b_fname = curbuf->b_fname; | |
| 320 int using_b_ffname = (fname == curbuf->b_ffname) | |
| 321 || (sfname == curbuf->b_ffname); | |
| 322 int using_b_fname = (fname == curbuf->b_fname) | |
| 323 || (sfname == curbuf->b_fname); | |
| 324 #endif | |
| 7 | 325 write_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 326 | |
| 327 /* | |
| 328 * If there is no file name yet, use the one for the read file. | |
| 329 * BF_NOTEDITED is set to reflect this. | |
| 330 * Don't do this for a read from a filter. | |
| 331 * Only do this when 'cpoptions' contains the 'f' flag. | |
| 332 */ | |
| 333 if (curbuf->b_ffname == NULL | |
| 334 && !filtering | |
| 335 && fname != NULL | |
| 336 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
| 337 && !(flags & READ_DUMMY)) | |
| 338 { | |
| 633 | 339 if (set_rw_fname(fname, sfname) == FAIL) |
| 340 return FAIL; | |
| 7 | 341 } |
| 342 | |
| 167 | 343 /* After reading a file the cursor line changes but we don't want to |
| 344 * display the line. */ | |
| 345 ex_no_reprint = TRUE; | |
| 346 | |
| 968 | 347 /* don't display the file info for another buffer now */ |
| 348 need_fileinfo = FALSE; | |
| 349 | |
| 7 | 350 /* |
| 351 * For Unix: Use the short file name whenever possible. | |
| 352 * Avoids problems with networks and when directory names are changed. | |
| 353 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 354 * another directory, which we don't detect. | |
| 355 */ | |
| 356 if (sfname == NULL) | |
| 357 sfname = fname; | |
| 358 #if defined(UNIX) || defined(__EMX__) | |
| 359 fname = sfname; | |
| 360 #endif | |
| 361 | |
| 362 #ifdef FEAT_AUTOCMD | |
| 363 /* | |
| 364 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
| 365 * executing the associated commands instead. | |
| 366 */ | |
| 367 if (!filtering && !read_stdin && !read_buffer) | |
| 368 { | |
| 369 pos_T pos; | |
| 370 | |
| 371 pos = curbuf->b_op_start; | |
| 372 | |
| 373 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
| 374 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 375 curbuf->b_op_start.col = 0; | |
| 376 | |
| 377 if (newfile) | |
| 378 { | |
| 379 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
| 380 FALSE, curbuf, eap)) | |
| 381 #ifdef FEAT_EVAL | |
| 382 return aborting() ? FAIL : OK; | |
| 383 #else | |
| 384 return OK; | |
| 385 #endif | |
| 386 } | |
| 387 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
| 388 FALSE, NULL, eap)) | |
| 389 #ifdef FEAT_EVAL | |
| 390 return aborting() ? FAIL : OK; | |
| 391 #else | |
| 392 return OK; | |
| 393 #endif | |
| 394 | |
| 395 curbuf->b_op_start = pos; | |
| 396 } | |
| 397 #endif | |
| 398 | |
| 399 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
| 400 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 401 else | |
| 402 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 403 | |
| 404 /* | |
| 405 * If the name ends in a path separator, we can't open it. Check here, | |
| 406 * because reading the file may actually work, but then creating the swap | |
| 407 * file may destroy it! Reported on MS-DOS and Win 95. | |
| 408 * If the name is too long we might crash further on, quit here. | |
| 409 */ | |
| 23 | 410 if (fname != NULL && *fname != NUL) |
| 411 { | |
| 39 | 412 p = fname + STRLEN(fname); |
| 413 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
| 23 | 414 { |
| 415 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
| 416 msg_end(); | |
| 417 msg_scroll = msg_save; | |
| 418 return FAIL; | |
| 419 } | |
| 7 | 420 } |
| 421 | |
| 422 #ifdef UNIX | |
| 423 /* | |
| 424 * On Unix it is possible to read a directory, so we have to | |
| 425 * check for it before the mch_open(). | |
| 426 */ | |
| 427 if (!read_stdin && !read_buffer) | |
| 428 { | |
| 429 perm = mch_getperm(fname); | |
| 430 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
| 431 # ifdef S_ISFIFO | |
| 432 && !S_ISFIFO(perm) /* ... or fifo */ | |
| 433 # endif | |
| 434 # ifdef S_ISSOCK | |
| 435 && !S_ISSOCK(perm) /* ... or socket */ | |
| 436 # endif | |
| 1313 | 437 # ifdef OPEN_CHR_FILES |
| 438 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
| 439 /* ... or a character special file named /dev/fd/<n> */ | |
| 440 # endif | |
| 7 | 441 ) |
| 442 { | |
| 443 if (S_ISDIR(perm)) | |
| 444 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
| 445 else | |
| 446 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
| 447 msg_end(); | |
| 448 msg_scroll = msg_save; | |
| 449 return FAIL; | |
| 450 } | |
| 1006 | 451 |
| 452 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 453 /* | |
| 454 * MS-Windows allows opening a device, but we will probably get stuck | |
| 455 * trying to read it. | |
| 456 */ | |
| 457 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
| 458 { | |
| 1303 | 459 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
| 1006 | 460 msg_end(); |
| 461 msg_scroll = msg_save; | |
| 462 return FAIL; | |
| 463 } | |
| 464 # endif | |
| 1004 | 465 } |
| 466 #endif | |
| 467 | |
| 7 | 468 /* set default 'fileformat' */ |
| 819 | 469 if (set_options) |
| 7 | 470 { |
| 471 if (eap != NULL && eap->force_ff != 0) | |
| 472 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
| 473 else if (*p_ffs != NUL) | |
| 474 set_fileformat(default_fileformat(), OPT_LOCAL); | |
| 475 } | |
| 476 | |
| 477 /* set or reset 'binary' */ | |
| 478 if (eap != NULL && eap->force_bin != 0) | |
| 479 { | |
| 480 int oldval = curbuf->b_p_bin; | |
| 481 | |
| 482 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
| 483 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
| 484 } | |
| 485 | |
| 486 /* | |
| 487 * When opening a new file we take the readonly flag from the file. | |
| 488 * Default is r/w, can be set to r/o below. | |
| 489 * Don't reset it when in readonly mode | |
| 490 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 491 */ | |
| 492 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 493 if (check_readonly && !readonlymode) |
| 7 | 494 curbuf->b_p_ro = FALSE; |
| 495 | |
| 496 if (newfile && !read_stdin && !read_buffer) | |
| 497 { | |
| 498 /* Remember time of file. | |
| 499 * For RISCOS, also remember the filetype. | |
| 500 */ | |
| 501 if (mch_stat((char *)fname, &st) >= 0) | |
| 502 { | |
| 503 buf_store_time(curbuf, &st, fname); | |
| 504 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 505 | |
| 506 #if defined(RISCOS) && defined(FEAT_OSFILETYPE) | |
| 507 /* Read the filetype into the buffer local filetype option. */ | |
| 508 mch_read_filetype(fname); | |
| 509 #endif | |
| 510 #ifdef UNIX | |
| 511 /* | |
| 512 * Use the protection bits of the original file for the swap file. | |
| 513 * This makes it possible for others to read the name of the | |
| 514 * edited file from the swapfile, but only if they can read the | |
| 515 * edited file. | |
| 516 * Remove the "write" and "execute" bits for group and others | |
| 517 * (they must not write the swapfile). | |
| 518 * Add the "read" and "write" bits for the user, otherwise we may | |
| 519 * not be able to write to the file ourselves. | |
| 520 * Setting the bits is done below, after creating the swap file. | |
| 521 */ | |
| 522 swap_mode = (st.st_mode & 0644) | 0600; | |
| 523 #endif | |
| 524 #ifdef FEAT_CW_EDITOR | |
| 525 /* Get the FSSpec on MacOS | |
| 526 * TODO: Update it properly when the buffer name changes | |
| 527 */ | |
| 528 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 529 #endif | |
| 530 #ifdef VMS | |
| 531 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 532 curbuf->b_fab_rat = st.st_fab_rat; |
| 533 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 534 #endif |
| 535 } | |
| 536 else | |
| 537 { | |
| 538 curbuf->b_mtime = 0; | |
| 539 curbuf->b_mtime_read = 0; | |
| 540 curbuf->b_orig_size = 0; | |
| 541 curbuf->b_orig_mode = 0; | |
| 542 } | |
| 543 | |
| 544 /* Reset the "new file" flag. It will be set again below when the | |
| 545 * file doesn't exist. */ | |
| 546 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 547 } | |
| 548 | |
| 549 /* | |
| 550 * for UNIX: check readonly with perm and mch_access() | |
| 551 * for RISCOS: same as Unix, otherwise file gets re-datestamped! | |
| 552 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
| 553 */ | |
| 554 file_readonly = FALSE; | |
| 555 if (read_stdin) | |
| 556 { | |
| 557 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 558 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
| 559 setmode(0, O_BINARY); | |
| 560 #endif | |
| 561 } | |
| 562 else if (!read_buffer) | |
| 563 { | |
| 564 #ifdef USE_MCH_ACCESS | |
| 565 if ( | |
| 566 # ifdef UNIX | |
| 567 !(perm & 0222) || | |
| 568 # endif | |
| 569 mch_access((char *)fname, W_OK)) | |
| 570 file_readonly = TRUE; | |
| 571 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 572 #else | |
| 573 if (!newfile | |
| 574 || readonlymode | |
| 575 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 576 { | |
| 577 file_readonly = TRUE; | |
| 578 /* try to open ro */ | |
| 579 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 580 } | |
| 581 #endif | |
| 582 } | |
| 583 | |
| 584 if (fd < 0) /* cannot open at all */ | |
| 585 { | |
| 586 #ifndef UNIX | |
| 587 int isdir_f; | |
| 588 #endif | |
| 589 msg_scroll = msg_save; | |
| 590 #ifndef UNIX | |
| 591 /* | |
| 592 * On MSDOS and Amiga we can't open a directory, check here. | |
| 593 */ | |
| 594 isdir_f = (mch_isdir(fname)); | |
| 595 perm = mch_getperm(fname); /* check if the file exists */ | |
| 596 if (isdir_f) | |
| 597 { | |
| 598 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 599 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 600 } | |
| 601 else | |
| 602 #endif | |
| 603 if (newfile) | |
| 604 { | |
|
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605 if (perm < 0 |
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606 #ifdef ENOENT |
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607 && errno == ENOENT |
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608 #endif |
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609 ) |
| 7 | 610 { |
| 611 /* | |
| 612 * Set the 'new-file' flag, so that when the file has | |
| 613 * been created by someone else, a ":w" will complain. | |
| 614 */ | |
| 615 curbuf->b_flags |= BF_NEW; | |
| 616 | |
| 617 /* Create a swap file now, so that other Vims are warned | |
| 618 * that we are editing this file. Don't do this for a | |
| 619 * "nofile" or "nowrite" buffer type. */ | |
| 620 #ifdef FEAT_QUICKFIX | |
| 621 if (!bt_dontwrite(curbuf)) | |
| 622 #endif | |
| 1834 | 623 { |
| 7 | 624 check_need_swap(newfile); |
| 1834 | 625 #ifdef FEAT_AUTOCMD |
| 626 /* SwapExists autocommand may mess things up */ | |
| 627 if (curbuf != old_curbuf | |
| 628 || (using_b_ffname | |
| 629 && (old_b_ffname != curbuf->b_ffname)) | |
| 630 || (using_b_fname | |
| 631 && (old_b_fname != curbuf->b_fname))) | |
| 632 { | |
| 633 EMSG(_(e_auchangedbuf)); | |
| 634 return FAIL; | |
| 635 } | |
| 636 #endif | |
| 637 } | |
| 592 | 638 if (dir_of_file_exists(fname)) |
| 639 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 640 else | |
| 641 filemess(curbuf, sfname, | |
| 642 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 643 #ifdef FEAT_VIMINFO |
| 644 /* Even though this is a new file, it might have been | |
| 645 * edited before and deleted. Get the old marks. */ | |
| 646 check_marks_read(); | |
| 647 #endif | |
| 648 #ifdef FEAT_MBYTE | |
| 649 if (eap != NULL && eap->force_enc != 0) | |
| 650 { | |
| 651 /* set forced 'fileencoding' */ | |
| 652 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 653 if (fenc != NULL) | |
| 654 set_string_option_direct((char_u *)"fenc", -1, | |
| 694 | 655 fenc, OPT_FREE|OPT_LOCAL, 0); |
| 7 | 656 vim_free(fenc); |
| 657 } | |
| 658 #endif | |
| 659 #ifdef FEAT_AUTOCMD | |
| 660 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 661 FALSE, curbuf, eap); | |
| 662 #endif | |
| 663 /* remember the current fileformat */ | |
| 664 save_file_ff(curbuf); | |
| 665 | |
| 666 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 667 if (aborting()) /* autocmds may abort script processing */ | |
| 668 return FAIL; | |
| 669 #endif | |
| 670 return OK; /* a new file is not an error */ | |
| 671 } | |
| 672 else | |
| 673 { | |
| 550 | 674 filemess(curbuf, sfname, (char_u *)( |
| 675 # ifdef EFBIG | |
| 676 (errno == EFBIG) ? _("[File too big]") : | |
| 677 # endif | |
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678 # ifdef EOVERFLOW |
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679 (errno == EOVERFLOW) ? _("[File too big]") : |
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680 # endif |
| 550 | 681 _("[Permission Denied]")), 0); |
| 7 | 682 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 683 } | |
| 684 } | |
| 685 | |
| 686 return FAIL; | |
| 687 } | |
| 688 | |
| 689 /* | |
| 690 * Only set the 'ro' flag for readonly files the first time they are | |
| 691 * loaded. Help files always get readonly mode | |
| 692 */ | |
| 693 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 694 curbuf->b_p_ro = TRUE; | |
| 695 | |
| 819 | 696 if (set_options) |
| 7 | 697 { |
| 1486 | 698 /* Don't change 'eol' if reading from buffer as it will already be |
| 699 * correctly set when reading stdin. */ | |
| 700 if (!read_buffer) | |
| 701 { | |
| 702 curbuf->b_p_eol = TRUE; | |
| 703 curbuf->b_start_eol = TRUE; | |
| 704 } | |
| 7 | 705 #ifdef FEAT_MBYTE |
| 706 curbuf->b_p_bomb = FALSE; | |
| 1352 | 707 curbuf->b_start_bomb = FALSE; |
| 7 | 708 #endif |
| 709 } | |
| 710 | |
| 711 /* Create a swap file now, so that other Vims are warned that we are | |
| 712 * editing this file. | |
| 713 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 714 #ifdef FEAT_QUICKFIX | |
| 715 if (!bt_dontwrite(curbuf)) | |
| 716 #endif | |
| 717 { | |
| 718 check_need_swap(newfile); | |
| 1834 | 719 #ifdef FEAT_AUTOCMD |
| 720 if (!read_stdin && (curbuf != old_curbuf | |
| 721 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 722 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 723 { | |
| 724 EMSG(_(e_auchangedbuf)); | |
| 725 if (!read_buffer) | |
| 726 close(fd); | |
| 727 return FAIL; | |
| 728 } | |
| 729 #endif | |
| 7 | 730 #ifdef UNIX |
| 731 /* Set swap file protection bits after creating it. */ | |
| 1918 | 732 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 733 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 734 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 735 #endif | |
| 736 } | |
| 737 | |
| 578 | 738 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 739 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 740 if (swap_exists_action == SEA_QUIT) | |
| 741 { | |
| 742 if (!read_buffer && !read_stdin) | |
| 743 close(fd); | |
| 744 return FAIL; | |
| 745 } | |
| 746 #endif | |
| 747 | |
| 748 ++no_wait_return; /* don't wait for return yet */ | |
| 749 | |
| 750 /* | |
| 751 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 752 */ | |
| 753 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 754 curbuf->b_op_start.col = 0; | |
| 755 | |
| 756 #ifdef FEAT_AUTOCMD | |
| 757 if (!read_buffer) | |
| 758 { | |
| 759 int m = msg_scroll; | |
| 760 int n = msg_scrolled; | |
| 761 | |
| 762 /* | |
| 763 * The file must be closed again, the autocommands may want to change | |
| 764 * the file before reading it. | |
| 765 */ | |
| 766 if (!read_stdin) | |
| 767 close(fd); /* ignore errors */ | |
| 768 | |
| 769 /* | |
| 770 * The output from the autocommands should not overwrite anything and | |
| 771 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 772 * output was done. | |
| 773 */ | |
| 774 msg_scroll = TRUE; | |
| 775 if (filtering) | |
| 776 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 777 FALSE, curbuf, eap); | |
| 778 else if (read_stdin) | |
| 779 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 780 FALSE, curbuf, eap); | |
| 781 else if (newfile) | |
| 782 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 783 FALSE, curbuf, eap); | |
| 784 else | |
| 785 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 786 FALSE, NULL, eap); | |
| 787 if (msg_scrolled == n) | |
| 788 msg_scroll = m; | |
| 789 | |
| 790 #ifdef FEAT_EVAL | |
| 791 if (aborting()) /* autocmds may abort script processing */ | |
| 792 { | |
| 793 --no_wait_return; | |
| 794 msg_scroll = msg_save; | |
| 795 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 796 return FAIL; | |
| 797 } | |
| 798 #endif | |
| 799 /* | |
| 800 * Don't allow the autocommands to change the current buffer. | |
| 801 * Try to re-open the file. | |
| 1834 | 802 * |
| 803 * Don't allow the autocommands to change the buffer name either | |
| 804 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 805 */ |
| 806 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 807 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 808 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 809 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 810 { | |
| 811 --no_wait_return; | |
| 812 msg_scroll = msg_save; | |
| 813 if (fd < 0) | |
| 814 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 815 else | |
| 816 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 817 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 818 return FAIL; | |
| 819 } | |
| 820 } | |
| 821 #endif /* FEAT_AUTOCMD */ | |
| 822 | |
| 823 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 824 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 825 | |
| 826 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 827 { | |
| 828 /* | |
| 829 * Show the user that we are busy reading the input. Sometimes this | |
| 830 * may take a while. When reading from stdin another program may | |
| 831 * still be running, don't move the cursor to the last line, unless | |
| 832 * always using the GUI. | |
| 833 */ | |
| 834 if (read_stdin) | |
| 835 { | |
| 836 #ifndef ALWAYS_USE_GUI | |
| 837 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 838 #endif | |
| 839 #ifdef FEAT_GUI | |
| 840 /* Also write a message in the GUI window, if there is one. */ | |
| 841 if (gui.in_use && !gui.dying && !gui.starting) | |
| 842 { | |
| 843 p = (char_u *)_("Reading from stdin..."); | |
| 844 gui_write(p, (int)STRLEN(p)); | |
| 845 } | |
| 846 #endif | |
| 847 } | |
| 848 else if (!read_buffer) | |
| 849 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 850 } | |
| 851 | |
| 852 msg_scroll = FALSE; /* overwrite the file message */ | |
| 853 | |
| 854 /* | |
| 855 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 856 * fileformat, and after the autocommands, which may change them. | |
| 857 */ | |
| 858 linecnt = curbuf->b_ml.ml_line_count; | |
| 859 | |
| 860 #ifdef FEAT_MBYTE | |
| 595 | 861 /* "++bad=" argument. */ |
| 862 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 863 { |
| 595 | 864 bad_char_behavior = eap->bad_char; |
| 819 | 865 if (set_options) |
| 612 | 866 curbuf->b_bad_char = eap->bad_char; |
| 867 } | |
| 868 else | |
| 869 curbuf->b_bad_char = 0; | |
| 595 | 870 |
| 7 | 871 /* |
| 595 | 872 * Decide which 'encoding' to use or use first. |
| 7 | 873 */ |
| 874 if (eap != NULL && eap->force_enc != 0) | |
| 875 { | |
| 876 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 877 fenc_alloced = TRUE; | |
| 595 | 878 keep_dest_enc = TRUE; |
| 7 | 879 } |
| 880 else if (curbuf->b_p_bin) | |
| 881 { | |
| 882 fenc = (char_u *)""; /* binary: don't convert */ | |
| 883 fenc_alloced = FALSE; | |
| 884 } | |
| 885 else if (curbuf->b_help) | |
| 886 { | |
| 887 char_u firstline[80]; | |
| 301 | 888 int fc; |
| 7 | 889 |
| 890 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 891 * fails it must be latin1. | |
| 892 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 893 * this when needed to avoid [converted] remarks all the time. | |
| 894 * It is needed when the first line contains non-ASCII characters. | |
| 895 * That is only in *.??x files. */ | |
| 896 fenc = (char_u *)"latin1"; | |
| 897 c = enc_utf8; | |
| 301 | 898 if (!c && !read_stdin) |
| 899 { | |
| 900 fc = fname[STRLEN(fname) - 1]; | |
| 901 if (TOLOWER_ASC(fc) == 'x') | |
| 902 { | |
| 903 /* Read the first line (and a bit more). Immediately rewind to | |
| 904 * the start of the file. If the read() fails "len" is -1. */ | |
| 905 len = vim_read(fd, firstline, 80); | |
| 906 lseek(fd, (off_t)0L, SEEK_SET); | |
| 907 for (p = firstline; p < firstline + len; ++p) | |
| 908 if (*p >= 0x80) | |
| 909 { | |
| 910 c = TRUE; | |
| 911 break; | |
| 912 } | |
| 913 } | |
| 7 | 914 } |
| 915 | |
| 916 if (c) | |
| 917 { | |
| 918 fenc_next = fenc; | |
| 919 fenc = (char_u *)"utf-8"; | |
| 920 | |
| 921 /* When the file is utf-8 but a character doesn't fit in | |
| 922 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 923 * doesn't make sense. */ | |
| 844 | 924 if (!enc_utf8) |
| 925 keep_dest_enc = TRUE; | |
| 7 | 926 } |
| 927 fenc_alloced = FALSE; | |
| 928 } | |
| 929 else if (*p_fencs == NUL) | |
| 930 { | |
| 931 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 932 fenc_alloced = FALSE; | |
| 933 } | |
| 934 else | |
| 935 { | |
| 936 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 937 fenc = next_fenc(&fenc_next); | |
| 938 fenc_alloced = TRUE; | |
| 939 } | |
| 940 #endif | |
| 941 | |
| 942 /* | |
| 943 * Jump back here to retry reading the file in different ways. | |
| 944 * Reasons to retry: | |
| 945 * - encoding conversion failed: try another one from "fenc_next" | |
| 946 * - BOM detected and fenc was set, need to setup conversion | |
| 947 * - "fileformat" check failed: try another | |
| 948 * | |
| 949 * Variables set for special retry actions: | |
| 950 * "file_rewind" Rewind the file to start reading it again. | |
| 951 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 952 * "skip_read" Re-use already read bytes (BOM detected). | |
| 953 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 954 * "keep_fileformat" Don't reset "fileformat". | |
| 955 * | |
| 956 * Other status indicators: | |
| 957 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 958 * Output file has to be deleted afterwards. | |
| 959 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 960 */ | |
| 961 retry: | |
| 962 | |
| 963 if (file_rewind) | |
| 964 { | |
| 965 if (read_buffer) | |
| 966 { | |
| 967 read_buf_lnum = 1; | |
| 968 read_buf_col = 0; | |
| 969 } | |
| 970 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 971 { | |
| 972 /* Can't rewind the file, give up. */ | |
| 973 error = TRUE; | |
| 974 goto failed; | |
| 975 } | |
| 976 /* Delete the previously read lines. */ | |
| 977 while (lnum > from) | |
| 978 ml_delete(lnum--, FALSE); | |
| 979 file_rewind = FALSE; | |
| 980 #ifdef FEAT_MBYTE | |
| 819 | 981 if (set_options) |
| 1352 | 982 { |
| 7 | 983 curbuf->b_p_bomb = FALSE; |
| 1352 | 984 curbuf->b_start_bomb = FALSE; |
| 985 } | |
| 595 | 986 conv_error = 0; |
| 7 | 987 #endif |
| 988 } | |
| 989 | |
| 990 /* | |
| 991 * When retrying with another "fenc" and the first time "fileformat" | |
| 992 * will be reset. | |
| 993 */ | |
| 994 if (keep_fileformat) | |
| 995 keep_fileformat = FALSE; | |
| 996 else | |
| 997 { | |
| 998 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 999 { |
| 7 | 1000 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 1001 try_unix = try_dos = try_mac = FALSE; |
| 1002 } | |
| 7 | 1003 else if (curbuf->b_p_bin) |
| 1004 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 1005 else if (*p_ffs == NUL) | |
| 1006 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 1007 else | |
| 1008 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 1009 } | |
| 1010 | |
| 1011 #ifdef FEAT_MBYTE | |
| 1012 # ifdef USE_ICONV | |
| 1013 if (iconv_fd != (iconv_t)-1) | |
| 1014 { | |
| 1015 /* aborted conversion with iconv(), close the descriptor */ | |
| 1016 iconv_close(iconv_fd); | |
| 1017 iconv_fd = (iconv_t)-1; | |
| 1018 } | |
| 1019 # endif | |
| 1020 | |
| 1021 if (advance_fenc) | |
| 1022 { | |
| 1023 /* | |
| 1024 * Try the next entry in 'fileencodings'. | |
| 1025 */ | |
| 1026 advance_fenc = FALSE; | |
| 1027 | |
| 1028 if (eap != NULL && eap->force_enc != 0) | |
| 1029 { | |
| 1030 /* Conversion given with "++cc=" wasn't possible, read | |
| 1031 * without conversion. */ | |
| 1032 notconverted = TRUE; | |
| 595 | 1033 conv_error = 0; |
| 7 | 1034 if (fenc_alloced) |
| 1035 vim_free(fenc); | |
| 1036 fenc = (char_u *)""; | |
| 1037 fenc_alloced = FALSE; | |
| 1038 } | |
| 1039 else | |
| 1040 { | |
| 1041 if (fenc_alloced) | |
| 1042 vim_free(fenc); | |
| 1043 if (fenc_next != NULL) | |
| 1044 { | |
| 1045 fenc = next_fenc(&fenc_next); | |
| 1046 fenc_alloced = (fenc_next != NULL); | |
| 1047 } | |
| 1048 else | |
| 1049 { | |
| 1050 fenc = (char_u *)""; | |
| 1051 fenc_alloced = FALSE; | |
| 1052 } | |
| 1053 } | |
| 1054 if (tmpname != NULL) | |
| 1055 { | |
| 1056 mch_remove(tmpname); /* delete converted file */ | |
| 1057 vim_free(tmpname); | |
| 1058 tmpname = NULL; | |
| 1059 } | |
| 1060 } | |
| 1061 | |
| 1062 /* | |
| 1948 | 1063 * Conversion may be required when the encoding of the file is different |
| 1064 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1065 */ |
| 1066 fio_flags = 0; | |
| 1948 | 1067 converted = need_conversion(fenc); |
| 1068 if (converted) | |
| 7 | 1069 { |
| 1070 | |
| 1071 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1072 * for a BOM. */ | |
| 1073 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1074 fio_flags = FIO_UCSBOM; | |
| 1075 | |
| 1076 /* | |
| 1077 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1078 * done. This is handled below after read(). Prepare the | |
| 1079 * fio_flags to avoid having to parse the string each time. | |
| 1080 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1081 * appears not to handle this correctly. This works just like | |
| 1082 * conversion to UTF-8 except how the resulting character is put in | |
| 1083 * the buffer. | |
| 1084 */ | |
| 1085 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1086 fio_flags = get_fio_flags(fenc); | |
| 1087 | |
| 1088 # ifdef WIN3264 | |
| 1089 /* | |
| 1090 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1091 * is handled with MultiByteToWideChar(). | |
| 1092 */ | |
| 1093 if (fio_flags == 0) | |
| 1094 fio_flags = get_win_fio_flags(fenc); | |
| 1095 # endif | |
| 1096 | |
| 1097 # ifdef MACOS_X | |
| 1098 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1099 if (fio_flags == 0) | |
| 1100 fio_flags = get_mac_fio_flags(fenc); | |
| 1101 # endif | |
| 1102 | |
| 1103 # ifdef USE_ICONV | |
| 1104 /* | |
| 1105 * Try using iconv() if we can't convert internally. | |
| 1106 */ | |
| 1107 if (fio_flags == 0 | |
| 1108 # ifdef FEAT_EVAL | |
| 1109 && !did_iconv | |
| 1110 # endif | |
| 1111 ) | |
| 1112 iconv_fd = (iconv_t)my_iconv_open( | |
| 1113 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1114 # endif | |
| 1115 | |
| 1116 # ifdef FEAT_EVAL | |
| 1117 /* | |
| 1118 * Use the 'charconvert' expression when conversion is required | |
| 1119 * and we can't do it internally or with iconv(). | |
| 1120 */ | |
| 1121 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1122 # ifdef USE_ICONV | |
| 1123 && iconv_fd == (iconv_t)-1 | |
| 1124 # endif | |
| 1125 ) | |
| 1126 { | |
| 1127 # ifdef USE_ICONV | |
| 1128 did_iconv = FALSE; | |
| 1129 # endif | |
| 1130 /* Skip conversion when it's already done (retry for wrong | |
| 1131 * "fileformat"). */ | |
| 1132 if (tmpname == NULL) | |
| 1133 { | |
| 1134 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1135 if (tmpname == NULL) | |
| 1136 { | |
| 1137 /* Conversion failed. Try another one. */ | |
| 1138 advance_fenc = TRUE; | |
| 1139 if (fd < 0) | |
| 1140 { | |
| 1141 /* Re-opening the original file failed! */ | |
| 1142 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1143 error = TRUE; | |
| 1144 goto failed; | |
| 1145 } | |
| 1146 goto retry; | |
| 1147 } | |
| 1148 } | |
| 1149 } | |
| 1150 else | |
| 1151 # endif | |
| 1152 { | |
| 1153 if (fio_flags == 0 | |
| 1154 # ifdef USE_ICONV | |
| 1155 && iconv_fd == (iconv_t)-1 | |
| 1156 # endif | |
| 1157 ) | |
| 1158 { | |
| 1159 /* Conversion wanted but we can't. | |
| 1160 * Try the next conversion in 'fileencodings' */ | |
| 1161 advance_fenc = TRUE; | |
| 1162 goto retry; | |
| 1163 } | |
| 1164 } | |
| 1165 } | |
| 1166 | |
| 595 | 1167 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1168 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1169 * stdin or fixed at a specific encoding. */ |
| 1170 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1171 #endif |
| 1172 | |
| 1173 if (!skip_read) | |
| 1174 { | |
| 1175 linerest = 0; | |
| 1176 filesize = 0; | |
| 1177 skip_count = lines_to_skip; | |
| 1178 read_count = lines_to_read; | |
| 1179 #ifdef FEAT_MBYTE | |
| 1180 conv_restlen = 0; | |
| 1181 #endif | |
| 1182 } | |
| 1183 | |
| 1184 while (!error && !got_int) | |
| 1185 { | |
| 1186 /* | |
| 1187 * We allocate as much space for the file as we can get, plus | |
| 1188 * space for the old line plus room for one terminating NUL. | |
| 1189 * The amount is limited by the fact that read() only can read | |
| 1190 * upto max_unsigned characters (and other things). | |
| 1191 */ | |
| 1192 #if SIZEOF_INT <= 2 | |
| 1193 if (linerest >= 0x7ff0) | |
| 1194 { | |
| 1195 ++split; | |
| 1196 *ptr = NL; /* split line by inserting a NL */ | |
| 1197 size = 1; | |
| 1198 } | |
| 1199 else | |
| 1200 #endif | |
| 1201 { | |
| 1202 if (!skip_read) | |
| 1203 { | |
| 1204 #if SIZEOF_INT > 2 | |
| 1076 | 1205 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1206 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1207 # else | |
| 1208 size = 0x10000L; /* use buffer >= 64K */ | |
| 1209 # endif | |
| 1210 #else | |
| 1211 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1212 #endif | |
| 1213 | |
| 836 | 1214 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1215 { |
| 1216 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1217 FALSE)) != NULL) | |
| 1218 break; | |
| 1219 } | |
| 1220 if (new_buffer == NULL) | |
| 1221 { | |
| 1222 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1223 error = TRUE; | |
| 1224 break; | |
| 1225 } | |
| 1226 if (linerest) /* copy characters from the previous buffer */ | |
| 1227 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1228 vim_free(buffer); | |
| 1229 buffer = new_buffer; | |
| 1230 ptr = buffer + linerest; | |
| 1231 line_start = buffer; | |
| 1232 | |
| 1233 #ifdef FEAT_MBYTE | |
| 1234 /* May need room to translate into. | |
| 1235 * For iconv() we don't really know the required space, use a | |
| 1236 * factor ICONV_MULT. | |
| 1237 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1238 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1239 * become up to 4 bytes, size must be multiple of 2 | |
| 1240 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1241 * multiple of 2 | |
| 1242 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1243 * multiple of 4 */ | |
| 835 | 1244 real_size = (int)size; |
| 7 | 1245 # ifdef USE_ICONV |
| 1246 if (iconv_fd != (iconv_t)-1) | |
| 1247 size = size / ICONV_MULT; | |
| 1248 else | |
| 1249 # endif | |
| 1250 if (fio_flags & FIO_LATIN1) | |
| 1251 size = size / 2; | |
| 1252 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1253 size = (size * 2 / 3) & ~1; | |
| 1254 else if (fio_flags & FIO_UCS4) | |
| 1255 size = (size * 2 / 3) & ~3; | |
| 1256 else if (fio_flags == FIO_UCSBOM) | |
| 1257 size = size / ICONV_MULT; /* worst case */ | |
| 1258 # ifdef WIN3264 | |
| 1259 else if (fio_flags & FIO_CODEPAGE) | |
| 1260 size = size / ICONV_MULT; /* also worst case */ | |
| 1261 # endif | |
| 1262 # ifdef MACOS_X | |
| 1263 else if (fio_flags & FIO_MACROMAN) | |
| 1264 size = size / ICONV_MULT; /* also worst case */ | |
| 1265 # endif | |
| 1266 #endif | |
| 1267 | |
| 1268 #ifdef FEAT_MBYTE | |
| 1269 if (conv_restlen > 0) | |
| 1270 { | |
| 1271 /* Insert unconverted bytes from previous line. */ | |
| 1272 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1273 ptr += conv_restlen; | |
| 1274 size -= conv_restlen; | |
| 1275 } | |
| 1276 #endif | |
| 1277 | |
| 1278 if (read_buffer) | |
| 1279 { | |
| 1280 /* | |
| 1281 * Read bytes from curbuf. Used for converting text read | |
| 1282 * from stdin. | |
| 1283 */ | |
| 1284 if (read_buf_lnum > from) | |
| 1285 size = 0; | |
| 1286 else | |
| 1287 { | |
| 1288 int n, ni; | |
| 1289 long tlen; | |
| 1290 | |
| 1291 tlen = 0; | |
| 1292 for (;;) | |
| 1293 { | |
| 1294 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1295 n = (int)STRLEN(p); | |
| 1296 if ((int)tlen + n + 1 > size) | |
| 1297 { | |
| 1298 /* Filled up to "size", append partial line. | |
| 1299 * Change NL to NUL to reverse the effect done | |
| 1300 * below. */ | |
| 835 | 1301 n = (int)(size - tlen); |
| 7 | 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 read_buf_col += n; | |
| 1310 break; | |
| 1311 } | |
| 1312 else | |
| 1313 { | |
| 1314 /* Append whole line and new-line. Change NL | |
| 1315 * to NUL to reverse the effect done below. */ | |
| 1316 for (ni = 0; ni < n; ++ni) | |
| 1317 { | |
| 1318 if (p[ni] == NL) | |
| 1319 ptr[tlen++] = NUL; | |
| 1320 else | |
| 1321 ptr[tlen++] = p[ni]; | |
| 1322 } | |
| 1323 ptr[tlen++] = NL; | |
| 1324 read_buf_col = 0; | |
| 1325 if (++read_buf_lnum > from) | |
| 1326 { | |
| 1327 /* When the last line didn't have an | |
| 1328 * end-of-line don't add it now either. */ | |
| 1329 if (!curbuf->b_p_eol) | |
| 1330 --tlen; | |
| 1331 size = tlen; | |
| 1332 break; | |
| 1333 } | |
| 1334 } | |
| 1335 } | |
| 1336 } | |
| 1337 } | |
| 1338 else | |
| 1339 { | |
| 1340 /* | |
| 1341 * Read bytes from the file. | |
| 1342 */ | |
| 1343 size = vim_read(fd, ptr, size); | |
| 1344 } | |
| 1345 | |
| 1346 if (size <= 0) | |
| 1347 { | |
| 1348 if (size < 0) /* read error */ | |
| 1349 error = TRUE; | |
| 1350 #ifdef FEAT_MBYTE | |
| 1351 else if (conv_restlen > 0) | |
| 595 | 1352 { |
| 1597 | 1353 /* |
| 1354 * Reached end-of-file but some trailing bytes could | |
| 1355 * not be converted. Truncated file? | |
| 1356 */ | |
| 1357 | |
| 1358 /* When we did a conversion report an error. */ | |
| 1359 if (fio_flags != 0 | |
| 1360 # ifdef USE_ICONV | |
| 1361 || iconv_fd != (iconv_t)-1 | |
| 1362 # endif | |
| 1363 ) | |
| 1364 { | |
| 1365 if (conv_error == 0) | |
| 1366 conv_error = curbuf->b_ml.ml_line_count | |
| 1367 - linecnt + 1; | |
| 1368 } | |
| 1369 /* Remember the first linenr with an illegal byte */ | |
| 1370 else if (illegal_byte == 0) | |
| 1371 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1372 - linecnt + 1; | |
| 1373 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1374 { |
| 1597 | 1375 *(ptr - conv_restlen) = NUL; |
| 1376 conv_restlen = 0; | |
| 1377 } | |
| 1378 else | |
| 1379 { | |
| 1380 /* Replace the trailing bytes with the replacement | |
| 1381 * character if we were converting; if we weren't, | |
| 1382 * leave the UTF8 checking code to do it, as it | |
| 1383 * works slightly differently. */ | |
| 1384 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1385 # ifdef USE_ICONV | |
| 1386 || iconv_fd != (iconv_t)-1 | |
| 1387 # endif | |
| 1388 )) | |
| 1389 { | |
| 1390 while (conv_restlen > 0) | |
| 1391 { | |
| 1392 *(--ptr) = bad_char_behavior; | |
| 1393 --conv_restlen; | |
| 1394 } | |
| 1395 } | |
| 595 | 1396 fio_flags = 0; /* don't convert this */ |
| 834 | 1397 # ifdef USE_ICONV |
| 1398 if (iconv_fd != (iconv_t)-1) | |
| 1399 { | |
| 1400 iconv_close(iconv_fd); | |
| 1401 iconv_fd = (iconv_t)-1; | |
| 1402 } | |
| 1403 # endif | |
| 595 | 1404 } |
| 1405 } | |
| 7 | 1406 #endif |
| 1407 } | |
| 1408 | |
| 1409 #ifdef FEAT_CRYPT | |
| 1410 /* | |
| 1411 * At start of file: Check for magic number of encryption. | |
| 1412 */ | |
| 1413 if (filesize == 0) | |
| 1414 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
| 1415 &filesize, newfile); | |
| 1416 /* | |
| 1417 * Decrypt the read bytes. | |
| 1418 */ | |
| 1419 if (cryptkey != NULL && size > 0) | |
| 1420 for (p = ptr; p < ptr + size; ++p) | |
| 1421 ZDECODE(*p); | |
| 1422 #endif | |
| 1423 } | |
| 1424 skip_read = FALSE; | |
| 1425 | |
| 1426 #ifdef FEAT_MBYTE | |
| 1427 /* | |
| 1428 * At start of file (or after crypt magic number): Check for BOM. | |
| 1429 * Also check for a BOM for other Unicode encodings, but not after | |
| 1430 * converting with 'charconvert' or when a BOM has already been | |
| 1431 * found. | |
| 1432 */ | |
| 1433 if ((filesize == 0 | |
| 1434 # ifdef FEAT_CRYPT | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1435 || (filesize == (CRYPT_MAGIC_LEN |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1436 + crypt_seed_len[use_crypt_method]) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1437 && cryptkey != NULL) |
| 7 | 1438 # endif |
| 1439 ) | |
| 1440 && (fio_flags == FIO_UCSBOM | |
| 1441 || (!curbuf->b_p_bomb | |
| 1442 && tmpname == NULL | |
| 1443 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1444 { | |
| 1445 char_u *ccname; | |
| 1446 int blen; | |
| 1447 | |
| 1448 /* no BOM detection in a short file or in binary mode */ | |
| 1449 if (size < 2 || curbuf->b_p_bin) | |
| 1450 ccname = NULL; | |
| 1451 else | |
| 1452 ccname = check_for_bom(ptr, size, &blen, | |
| 1453 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1454 if (ccname != NULL) | |
| 1455 { | |
| 1456 /* Remove BOM from the text */ | |
| 1457 filesize += blen; | |
| 1458 size -= blen; | |
| 1459 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1460 if (set_options) |
| 1352 | 1461 { |
| 7 | 1462 curbuf->b_p_bomb = TRUE; |
| 1352 | 1463 curbuf->b_start_bomb = TRUE; |
| 1464 } | |
| 7 | 1465 } |
| 1466 | |
| 1467 if (fio_flags == FIO_UCSBOM) | |
| 1468 { | |
| 1469 if (ccname == NULL) | |
| 1470 { | |
| 1471 /* No BOM detected: retry with next encoding. */ | |
| 1472 advance_fenc = TRUE; | |
| 1473 } | |
| 1474 else | |
| 1475 { | |
| 1476 /* BOM detected: set "fenc" and jump back */ | |
| 1477 if (fenc_alloced) | |
| 1478 vim_free(fenc); | |
| 1479 fenc = ccname; | |
| 1480 fenc_alloced = FALSE; | |
| 1481 } | |
| 1482 /* retry reading without getting new bytes or rewinding */ | |
| 1483 skip_read = TRUE; | |
| 1484 goto retry; | |
| 1485 } | |
| 1486 } | |
| 1597 | 1487 |
| 1488 /* Include not converted bytes. */ | |
| 1489 ptr -= conv_restlen; | |
| 1490 size += conv_restlen; | |
| 1491 conv_restlen = 0; | |
| 7 | 1492 #endif |
| 1493 /* | |
| 1494 * Break here for a read error or end-of-file. | |
| 1495 */ | |
| 1496 if (size <= 0) | |
| 1497 break; | |
| 1498 | |
| 1499 #ifdef FEAT_MBYTE | |
| 1500 | |
| 1501 # ifdef USE_ICONV | |
| 1502 if (iconv_fd != (iconv_t)-1) | |
| 1503 { | |
| 1504 /* | |
| 1505 * Attempt conversion of the read bytes to 'encoding' using | |
| 1506 * iconv(). | |
| 1507 */ | |
| 1508 const char *fromp; | |
| 1509 char *top; | |
| 1510 size_t from_size; | |
| 1511 size_t to_size; | |
| 1512 | |
| 1513 fromp = (char *)ptr; | |
| 1514 from_size = size; | |
| 1515 ptr += size; | |
| 1516 top = (char *)ptr; | |
| 1517 to_size = real_size - size; | |
| 1518 | |
| 1519 /* | |
| 1520 * If there is conversion error or not enough room try using | |
| 179 | 1521 * another conversion. Except for when there is no |
| 1522 * alternative (help files). | |
| 7 | 1523 */ |
| 177 | 1524 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1525 &top, &to_size) | |
| 7 | 1526 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1527 || from_size > CONV_RESTLEN) | |
| 177 | 1528 { |
| 595 | 1529 if (can_retry) |
| 375 | 1530 goto rewind_retry; |
| 595 | 1531 if (conv_error == 0) |
| 1532 conv_error = readfile_linenr(linecnt, | |
| 1533 ptr, (char_u *)top); | |
| 1534 | |
| 1535 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1536 ++fromp; |
| 1537 --from_size; | |
| 595 | 1538 if (bad_char_behavior == BAD_KEEP) |
| 1539 { | |
| 1540 *top++ = *(fromp - 1); | |
| 1541 --to_size; | |
| 1542 } | |
| 1543 else if (bad_char_behavior != BAD_DROP) | |
| 1544 { | |
| 1545 *top++ = bad_char_behavior; | |
| 1546 --to_size; | |
| 1547 } | |
| 177 | 1548 } |
| 7 | 1549 |
| 1550 if (from_size > 0) | |
| 1551 { | |
| 1552 /* Some remaining characters, keep them for the next | |
| 1553 * round. */ | |
| 1554 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1555 conv_restlen = (int)from_size; | |
| 1556 } | |
| 1557 | |
| 1558 /* move the linerest to before the converted characters */ | |
| 1559 line_start = ptr - linerest; | |
| 1560 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1561 size = (long)((char_u *)top - ptr); | |
| 1562 } | |
| 1563 # endif | |
| 1564 | |
| 1565 # ifdef WIN3264 | |
| 1566 if (fio_flags & FIO_CODEPAGE) | |
| 1567 { | |
| 595 | 1568 char_u *src, *dst; |
| 1569 WCHAR ucs2buf[3]; | |
| 1570 int ucs2len; | |
| 1571 int codepage = FIO_GET_CP(fio_flags); | |
| 1572 int bytelen; | |
| 1573 int found_bad; | |
| 1574 char replstr[2]; | |
| 1575 | |
| 7 | 1576 /* |
| 1577 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1578 * a codepage, using standard MS-Windows functions. This |
| 1579 * requires two steps: | |
| 1580 * 1. convert from 'fileencoding' to ucs-2 | |
| 1581 * 2. convert from ucs-2 to 'encoding' | |
| 1582 * | |
| 1583 * Because there may be illegal bytes AND an incomplete byte | |
| 1584 * sequence at the end, we may have to do the conversion one | |
| 1585 * character at a time to get it right. | |
| 7 | 1586 */ |
| 595 | 1587 |
| 1588 /* Replacement string for WideCharToMultiByte(). */ | |
| 1589 if (bad_char_behavior > 0) | |
| 1590 replstr[0] = bad_char_behavior; | |
| 1591 else | |
| 1592 replstr[0] = '?'; | |
| 1593 replstr[1] = NUL; | |
| 1594 | |
| 1595 /* | |
| 1596 * Move the bytes to the end of the buffer, so that we have | |
| 1597 * room to put the result at the start. | |
| 1598 */ | |
| 1599 src = ptr + real_size - size; | |
| 1600 mch_memmove(src, ptr, size); | |
| 7 | 1601 |
| 1602 /* | |
| 595 | 1603 * Do the conversion. |
| 7 | 1604 */ |
| 595 | 1605 dst = ptr; |
| 1606 size = size; | |
| 1607 while (size > 0) | |
| 7 | 1608 { |
| 595 | 1609 found_bad = FALSE; |
| 7 | 1610 |
| 1611 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1612 if (codepage == CP_UTF8) |
| 7 | 1613 { |
| 595 | 1614 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1615 * trailing bytes properly. | |
| 1616 * Get one UTF-8 character from src. */ | |
| 835 | 1617 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1618 if (bytelen > size) |
| 1619 { | |
| 1620 /* Only got some bytes of a character. Normally | |
| 1621 * it's put in "conv_rest", but if it's too long | |
| 1622 * deal with it as if they were illegal bytes. */ | |
| 1623 if (bytelen <= CONV_RESTLEN) | |
| 1624 break; | |
| 1625 | |
| 1626 /* weird overlong byte sequence */ | |
| 1627 bytelen = size; | |
| 1628 found_bad = TRUE; | |
| 1629 } | |
| 1630 else | |
| 1631 { | |
| 799 | 1632 int u8c = utf_ptr2char(src); |
| 1633 | |
| 622 | 1634 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1635 found_bad = TRUE; |
| 1636 ucs2buf[0] = u8c; | |
| 1637 ucs2len = 1; | |
| 1638 } | |
| 7 | 1639 } |
| 595 | 1640 else |
| 7 | 1641 # endif |
| 595 | 1642 { |
| 1643 /* We don't know how long the byte sequence is, try | |
| 1644 * from one to three bytes. */ | |
| 1645 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1646 ++bytelen) | |
| 1647 { | |
| 1648 ucs2len = MultiByteToWideChar(codepage, | |
| 1649 MB_ERR_INVALID_CHARS, | |
| 1650 (LPCSTR)src, bytelen, | |
| 1651 ucs2buf, 3); | |
| 1652 if (ucs2len > 0) | |
| 1653 break; | |
| 1654 } | |
| 1655 if (ucs2len == 0) | |
| 1656 { | |
| 1657 /* If we have only one byte then it's probably an | |
| 1658 * incomplete byte sequence. Otherwise discard | |
| 1659 * one byte as a bad character. */ | |
| 1660 if (size == 1) | |
| 1661 break; | |
| 1662 found_bad = TRUE; | |
| 1663 bytelen = 1; | |
| 1664 } | |
| 1665 } | |
| 1666 | |
| 1667 if (!found_bad) | |
| 7 | 1668 { |
| 595 | 1669 int i; |
| 1670 | |
| 1671 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1672 if (enc_utf8) | |
| 1673 { | |
| 1674 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1675 for (i = 0; i < ucs2len; ++i) | |
| 1676 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1677 } | |
| 1678 else | |
| 1679 { | |
| 1680 BOOL bad = FALSE; | |
| 1681 int dstlen; | |
| 1682 | |
| 1683 /* From UCS-2 to "enc_codepage". If the | |
| 1684 * conversion uses the default character "?", | |
| 1685 * the data doesn't fit in this encoding. */ | |
| 1686 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1687 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1688 (LPSTR)dst, (int)(src - dst), |
| 595 | 1689 replstr, &bad); |
| 1690 if (bad) | |
| 1691 found_bad = TRUE; | |
| 1692 else | |
| 1693 dst += dstlen; | |
| 1694 } | |
| 7 | 1695 } |
| 595 | 1696 |
| 1697 if (found_bad) | |
| 1698 { | |
| 1699 /* Deal with bytes we can't convert. */ | |
| 1700 if (can_retry) | |
| 1701 goto rewind_retry; | |
| 1702 if (conv_error == 0) | |
| 1703 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1704 if (bad_char_behavior != BAD_DROP) | |
| 1705 { | |
| 1706 if (bad_char_behavior == BAD_KEEP) | |
| 1707 { | |
| 1708 mch_memmove(dst, src, bytelen); | |
| 1709 dst += bytelen; | |
| 1710 } | |
| 1711 else | |
| 1712 *dst++ = bad_char_behavior; | |
| 1713 } | |
| 1714 } | |
| 1715 | |
| 1716 src += bytelen; | |
| 1717 size -= bytelen; | |
| 7 | 1718 } |
| 595 | 1719 |
| 1720 if (size > 0) | |
| 7 | 1721 { |
| 595 | 1722 /* An incomplete byte sequence remaining. */ |
| 1723 mch_memmove(conv_rest, src, size); | |
| 1724 conv_restlen = size; | |
| 7 | 1725 } |
| 595 | 1726 |
| 1727 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1728 size = (long)(dst - ptr); |
| 7 | 1729 } |
| 1730 else | |
| 1731 # endif | |
| 765 | 1732 # ifdef MACOS_CONVERT |
| 7 | 1733 if (fio_flags & FIO_MACROMAN) |
| 1734 { | |
| 1735 /* | |
| 1736 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1737 * latin1. This is in os_mac_conv.c. |
| 7 | 1738 */ |
| 18 | 1739 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1740 goto rewind_retry; |
| 1741 } | |
| 1742 else | |
| 1743 # endif | |
| 1744 if (fio_flags != 0) | |
| 1745 { | |
| 1746 int u8c; | |
| 1747 char_u *dest; | |
| 1748 char_u *tail = NULL; | |
| 1749 | |
| 1750 /* | |
| 1751 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1752 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1753 * Go from end to start through the buffer, because the number | |
| 1754 * of bytes may increase. | |
| 1755 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1756 * to after the next character to convert. | |
| 1757 */ | |
| 1758 dest = ptr + real_size; | |
| 1759 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1760 { | |
| 1761 p = ptr + size; | |
| 1762 if (fio_flags == FIO_UTF8) | |
| 1763 { | |
| 1764 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1765 tail = ptr + size - 1; | |
| 1766 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1767 --tail; | |
| 1768 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1769 tail = NULL; | |
| 1770 else | |
| 1771 p = tail; | |
| 1772 } | |
| 1773 } | |
| 1774 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1775 { | |
| 1776 /* Check for a trailing byte */ | |
| 1777 p = ptr + (size & ~1); | |
| 1778 if (size & 1) | |
| 1779 tail = p; | |
| 1780 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1781 { | |
| 1782 /* Check for a trailing leading word */ | |
| 1783 if (fio_flags & FIO_ENDIAN_L) | |
| 1784 { | |
| 1785 u8c = (*--p << 8); | |
| 1786 u8c += *--p; | |
| 1787 } | |
| 1788 else | |
| 1789 { | |
| 1790 u8c = *--p; | |
| 1791 u8c += (*--p << 8); | |
| 1792 } | |
| 1793 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1794 tail = p; | |
| 1795 else | |
| 1796 p += 2; | |
| 1797 } | |
| 1798 } | |
| 1799 else /* FIO_UCS4 */ | |
| 1800 { | |
| 1801 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1802 p = ptr + (size & ~3); | |
| 1803 if (size & 3) | |
| 1804 tail = p; | |
| 1805 } | |
| 1806 | |
| 1807 /* If there is a trailing incomplete sequence move it to | |
| 1808 * conv_rest[]. */ | |
| 1809 if (tail != NULL) | |
| 1810 { | |
| 1811 conv_restlen = (int)((ptr + size) - tail); | |
| 1812 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1813 size -= conv_restlen; | |
| 1814 } | |
| 1815 | |
| 1816 | |
| 1817 while (p > ptr) | |
| 1818 { | |
| 1819 if (fio_flags & FIO_LATIN1) | |
| 1820 u8c = *--p; | |
| 1821 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1822 { | |
| 1823 if (fio_flags & FIO_ENDIAN_L) | |
| 1824 { | |
| 1825 u8c = (*--p << 8); | |
| 1826 u8c += *--p; | |
| 1827 } | |
| 1828 else | |
| 1829 { | |
| 1830 u8c = *--p; | |
| 1831 u8c += (*--p << 8); | |
| 1832 } | |
| 1833 if ((fio_flags & FIO_UTF16) | |
| 1834 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1835 { | |
| 1836 int u16c; | |
| 1837 | |
| 1838 if (p == ptr) | |
| 1839 { | |
| 1840 /* Missing leading word. */ | |
| 1841 if (can_retry) | |
| 1842 goto rewind_retry; | |
| 595 | 1843 if (conv_error == 0) |
| 1844 conv_error = readfile_linenr(linecnt, | |
| 1845 ptr, p); | |
| 1846 if (bad_char_behavior == BAD_DROP) | |
| 1847 continue; | |
| 1848 if (bad_char_behavior != BAD_KEEP) | |
| 1849 u8c = bad_char_behavior; | |
| 7 | 1850 } |
| 1851 | |
| 1852 /* found second word of double-word, get the first | |
| 1853 * word and compute the resulting character */ | |
| 1854 if (fio_flags & FIO_ENDIAN_L) | |
| 1855 { | |
| 1856 u16c = (*--p << 8); | |
| 1857 u16c += *--p; | |
| 1858 } | |
| 1859 else | |
| 1860 { | |
| 1861 u16c = *--p; | |
| 1862 u16c += (*--p << 8); | |
| 1863 } | |
| 595 | 1864 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1865 + (u8c & 0x3ff); | |
| 1866 | |
| 7 | 1867 /* Check if the word is indeed a leading word. */ |
| 1868 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1869 { | |
| 1870 if (can_retry) | |
| 1871 goto rewind_retry; | |
| 595 | 1872 if (conv_error == 0) |
| 1873 conv_error = readfile_linenr(linecnt, | |
| 1874 ptr, p); | |
| 1875 if (bad_char_behavior == BAD_DROP) | |
| 1876 continue; | |
| 1877 if (bad_char_behavior != BAD_KEEP) | |
| 1878 u8c = bad_char_behavior; | |
| 7 | 1879 } |
| 1880 } | |
| 1881 } | |
| 1882 else if (fio_flags & FIO_UCS4) | |
| 1883 { | |
| 1884 if (fio_flags & FIO_ENDIAN_L) | |
| 1885 { | |
| 1886 u8c = (*--p << 24); | |
| 1887 u8c += (*--p << 16); | |
| 1888 u8c += (*--p << 8); | |
| 1889 u8c += *--p; | |
| 1890 } | |
| 1891 else /* big endian */ | |
| 1892 { | |
| 1893 u8c = *--p; | |
| 1894 u8c += (*--p << 8); | |
| 1895 u8c += (*--p << 16); | |
| 1896 u8c += (*--p << 24); | |
| 1897 } | |
| 1898 } | |
| 1899 else /* UTF-8 */ | |
| 1900 { | |
| 1901 if (*--p < 0x80) | |
| 1902 u8c = *p; | |
| 1903 else | |
| 1904 { | |
| 1905 len = utf_head_off(ptr, p); | |
| 595 | 1906 p -= len; |
| 1907 u8c = utf_ptr2char(p); | |
| 7 | 1908 if (len == 0) |
| 1909 { | |
| 1910 /* Not a valid UTF-8 character, retry with | |
| 1911 * another fenc when possible, otherwise just | |
| 1912 * report the error. */ | |
| 1913 if (can_retry) | |
| 1914 goto rewind_retry; | |
| 595 | 1915 if (conv_error == 0) |
| 1916 conv_error = readfile_linenr(linecnt, | |
| 1917 ptr, p); | |
| 1918 if (bad_char_behavior == BAD_DROP) | |
| 1919 continue; | |
| 1920 if (bad_char_behavior != BAD_KEEP) | |
| 1921 u8c = bad_char_behavior; | |
| 7 | 1922 } |
| 1923 } | |
| 1924 } | |
| 1925 if (enc_utf8) /* produce UTF-8 */ | |
| 1926 { | |
| 1927 dest -= utf_char2len(u8c); | |
| 1928 (void)utf_char2bytes(u8c, dest); | |
| 1929 } | |
| 1930 else /* produce Latin1 */ | |
| 1931 { | |
| 1932 --dest; | |
| 1933 if (u8c >= 0x100) | |
| 1934 { | |
| 1935 /* character doesn't fit in latin1, retry with | |
| 1936 * another fenc when possible, otherwise just | |
| 1937 * report the error. */ | |
| 595 | 1938 if (can_retry) |
| 7 | 1939 goto rewind_retry; |
| 595 | 1940 if (conv_error == 0) |
| 1941 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1942 if (bad_char_behavior == BAD_DROP) | |
| 1943 ++dest; | |
| 1944 else if (bad_char_behavior == BAD_KEEP) | |
| 1945 *dest = u8c; | |
| 1946 else if (eap != NULL && eap->bad_char != 0) | |
| 1947 *dest = bad_char_behavior; | |
| 1948 else | |
| 1949 *dest = 0xBF; | |
| 7 | 1950 } |
| 1951 else | |
| 1952 *dest = u8c; | |
| 1953 } | |
| 1954 } | |
| 1955 | |
| 1956 /* move the linerest to before the converted characters */ | |
| 1957 line_start = dest - linerest; | |
| 1958 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1959 size = (long)((ptr + real_size) - dest); | |
| 1960 ptr = dest; | |
| 1961 } | |
| 1597 | 1962 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1963 { | |
| 1964 int incomplete_tail = FALSE; | |
| 1965 | |
| 1966 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1967 for (p = ptr; ; ++p) | |
| 7 | 1968 { |
| 835 | 1969 int todo = (int)((ptr + size) - p); |
| 595 | 1970 int l; |
| 1971 | |
| 1972 if (todo <= 0) | |
| 1973 break; | |
| 7 | 1974 if (*p >= 0x80) |
| 1975 { | |
| 1976 /* A length of 1 means it's an illegal byte. Accept | |
| 1977 * an incomplete character at the end though, the next | |
| 1978 * read() will get the next bytes, we'll check it | |
| 1979 * then. */ | |
| 595 | 1980 l = utf_ptr2len_len(p, todo); |
| 1597 | 1981 if (l > todo && !incomplete_tail) |
| 7 | 1982 { |
| 1597 | 1983 /* Avoid retrying with a different encoding when |
| 1984 * a truncated file is more likely, or attempting | |
| 1985 * to read the rest of an incomplete sequence when | |
| 1986 * we have already done so. */ | |
| 1987 if (p > ptr || filesize > 0) | |
| 1988 incomplete_tail = TRUE; | |
| 1989 /* Incomplete byte sequence, move it to conv_rest[] | |
| 1990 * and try to read the rest of it, unless we've | |
| 1991 * already done so. */ | |
| 1992 if (p > ptr) | |
| 1993 { | |
| 1994 conv_restlen = todo; | |
| 1995 mch_memmove(conv_rest, p, conv_restlen); | |
| 1996 size -= conv_restlen; | |
| 1997 break; | |
| 1998 } | |
| 7 | 1999 } |
| 1597 | 2000 if (l == 1 || l > todo) |
| 595 | 2001 { |
| 2002 /* Illegal byte. If we can try another encoding | |
| 1597 | 2003 * do that, unless at EOF where a truncated |
| 2004 * file is more likely than a conversion error. */ | |
| 2005 if (can_retry && !incomplete_tail) | |
| 595 | 2006 break; |
| 2007 # ifdef USE_ICONV | |
| 2008 /* When we did a conversion report an error. */ | |
| 2009 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2010 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2011 # endif | |
| 1597 | 2012 /* Remember the first linenr with an illegal byte */ |
| 2013 if (conv_error == 0 && illegal_byte == 0) | |
| 2014 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2015 |
| 2016 /* Drop, keep or replace the bad byte. */ | |
| 2017 if (bad_char_behavior == BAD_DROP) | |
| 2018 { | |
| 1597 | 2019 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2020 --p; |
| 2021 --size; | |
| 2022 } | |
| 2023 else if (bad_char_behavior != BAD_KEEP) | |
| 2024 *p = bad_char_behavior; | |
| 2025 } | |
| 1597 | 2026 else |
| 2027 p += l - 1; | |
| 7 | 2028 } |
| 2029 } | |
| 1597 | 2030 if (p < ptr + size && !incomplete_tail) |
| 7 | 2031 { |
| 2032 /* Detected a UTF-8 error. */ | |
| 2033 rewind_retry: | |
| 595 | 2034 /* Retry reading with another conversion. */ |
| 7 | 2035 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2036 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2037 /* iconv() failed, try 'charconvert' */ | |
| 2038 did_iconv = TRUE; | |
| 7 | 2039 else |
| 2040 # endif | |
| 595 | 2041 /* use next item from 'fileencodings' */ |
| 2042 advance_fenc = TRUE; | |
| 2043 file_rewind = TRUE; | |
| 2044 goto retry; | |
| 7 | 2045 } |
| 2046 } | |
| 2047 #endif | |
| 2048 | |
| 2049 /* count the number of characters (after conversion!) */ | |
| 2050 filesize += size; | |
| 2051 | |
| 2052 /* | |
| 2053 * when reading the first part of a file: guess EOL type | |
| 2054 */ | |
| 2055 if (fileformat == EOL_UNKNOWN) | |
| 2056 { | |
| 2057 /* First try finding a NL, for Dos and Unix */ | |
| 2058 if (try_dos || try_unix) | |
| 2059 { | |
| 2060 for (p = ptr; p < ptr + size; ++p) | |
| 2061 { | |
| 2062 if (*p == NL) | |
| 2063 { | |
| 2064 if (!try_unix | |
| 2065 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2066 fileformat = EOL_DOS; | |
| 2067 else | |
| 2068 fileformat = EOL_UNIX; | |
| 2069 break; | |
| 2070 } | |
| 2071 } | |
| 2072 | |
| 2073 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2074 if (fileformat == EOL_UNIX && try_mac) | |
| 2075 { | |
| 2076 /* Need to reset the counters when retrying fenc. */ | |
| 2077 try_mac = 1; | |
| 2078 try_unix = 1; | |
| 2079 for (; p >= ptr && *p != CAR; p--) | |
| 2080 ; | |
| 2081 if (p >= ptr) | |
| 2082 { | |
| 2083 for (p = ptr; p < ptr + size; ++p) | |
| 2084 { | |
| 2085 if (*p == NL) | |
| 2086 try_unix++; | |
| 2087 else if (*p == CAR) | |
| 2088 try_mac++; | |
| 2089 } | |
| 2090 if (try_mac > try_unix) | |
| 2091 fileformat = EOL_MAC; | |
| 2092 } | |
| 2093 } | |
| 2094 } | |
| 2095 | |
| 2096 /* No NL found: may use Mac format */ | |
| 2097 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2098 fileformat = EOL_MAC; | |
| 2099 | |
| 2100 /* Still nothing found? Use first format in 'ffs' */ | |
| 2101 if (fileformat == EOL_UNKNOWN) | |
| 2102 fileformat = default_fileformat(); | |
| 2103 | |
| 2104 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2105 if (set_options) |
| 7 | 2106 set_fileformat(fileformat, OPT_LOCAL); |
| 2107 } | |
| 2108 } | |
| 2109 | |
| 2110 /* | |
| 2111 * This loop is executed once for every character read. | |
| 2112 * Keep it fast! | |
| 2113 */ | |
| 2114 if (fileformat == EOL_MAC) | |
| 2115 { | |
| 2116 --ptr; | |
| 2117 while (++ptr, --size >= 0) | |
| 2118 { | |
| 2119 /* catch most common case first */ | |
| 2120 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2121 continue; | |
| 2122 if (c == NUL) | |
| 2123 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2124 else if (c == NL) | |
| 2125 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2126 else | |
| 2127 { | |
| 2128 if (skip_count == 0) | |
| 2129 { | |
| 2130 *ptr = NUL; /* end of line */ | |
| 2131 len = (colnr_T) (ptr - line_start + 1); | |
| 2132 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2133 { | |
| 2134 error = TRUE; | |
| 2135 break; | |
| 2136 } | |
| 2137 ++lnum; | |
| 2138 if (--read_count == 0) | |
| 2139 { | |
| 2140 error = TRUE; /* break loop */ | |
| 2141 line_start = ptr; /* nothing left to write */ | |
| 2142 break; | |
| 2143 } | |
| 2144 } | |
| 2145 else | |
| 2146 --skip_count; | |
| 2147 line_start = ptr + 1; | |
| 2148 } | |
| 2149 } | |
| 2150 } | |
| 2151 else | |
| 2152 { | |
| 2153 --ptr; | |
| 2154 while (++ptr, --size >= 0) | |
| 2155 { | |
| 2156 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2157 continue; | |
| 2158 if (c == NUL) | |
| 2159 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2160 else | |
| 2161 { | |
| 2162 if (skip_count == 0) | |
| 2163 { | |
| 2164 *ptr = NUL; /* end of line */ | |
| 2165 len = (colnr_T)(ptr - line_start + 1); | |
| 2166 if (fileformat == EOL_DOS) | |
| 2167 { | |
| 2168 if (ptr[-1] == CAR) /* remove CR */ | |
| 2169 { | |
| 2170 ptr[-1] = NUL; | |
| 2171 --len; | |
| 2172 } | |
| 2173 /* | |
| 2174 * Reading in Dos format, but no CR-LF found! | |
| 2175 * When 'fileformats' includes "unix", delete all | |
| 2176 * the lines read so far and start all over again. | |
| 2177 * Otherwise give an error message later. | |
| 2178 */ | |
| 2179 else if (ff_error != EOL_DOS) | |
| 2180 { | |
| 2181 if ( try_unix | |
| 2182 && !read_stdin | |
| 2183 && (read_buffer | |
| 2184 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2185 { | |
| 2186 fileformat = EOL_UNIX; | |
| 819 | 2187 if (set_options) |
| 7 | 2188 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2189 file_rewind = TRUE; | |
| 2190 keep_fileformat = TRUE; | |
| 2191 goto retry; | |
| 2192 } | |
| 2193 ff_error = EOL_DOS; | |
| 2194 } | |
| 2195 } | |
| 2196 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2197 { | |
| 2198 error = TRUE; | |
| 2199 break; | |
| 2200 } | |
| 2201 ++lnum; | |
| 2202 if (--read_count == 0) | |
| 2203 { | |
| 2204 error = TRUE; /* break loop */ | |
| 2205 line_start = ptr; /* nothing left to write */ | |
| 2206 break; | |
| 2207 } | |
| 2208 } | |
| 2209 else | |
| 2210 --skip_count; | |
| 2211 line_start = ptr + 1; | |
| 2212 } | |
| 2213 } | |
| 2214 } | |
| 2215 linerest = (long)(ptr - line_start); | |
| 2216 ui_breakcheck(); | |
| 2217 } | |
| 2218 | |
| 2219 failed: | |
| 2220 /* not an error, max. number of lines reached */ | |
| 2221 if (error && read_count == 0) | |
| 2222 error = FALSE; | |
| 2223 | |
| 2224 /* | |
| 2225 * If we get EOF in the middle of a line, note the fact and | |
| 2226 * complete the line ourselves. | |
| 2227 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2228 */ | |
| 2229 if (!error | |
| 2230 && !got_int | |
| 2231 && linerest != 0 | |
| 2232 && !(!curbuf->b_p_bin | |
| 2233 && fileformat == EOL_DOS | |
| 2234 && *line_start == Ctrl_Z | |
| 2235 && ptr == line_start + 1)) | |
| 2236 { | |
| 819 | 2237 /* remember for when writing */ |
| 2238 if (set_options) | |
| 7 | 2239 curbuf->b_p_eol = FALSE; |
| 2240 *ptr = NUL; | |
| 2241 if (ml_append(lnum, line_start, | |
| 2242 (colnr_T)(ptr - line_start + 1), newfile) == FAIL) | |
| 2243 error = TRUE; | |
| 2244 else | |
| 2245 read_no_eol_lnum = ++lnum; | |
| 2246 } | |
| 2247 | |
| 819 | 2248 if (set_options) |
| 7 | 2249 save_file_ff(curbuf); /* remember the current file format */ |
| 2250 | |
| 2251 #ifdef FEAT_CRYPT | |
| 2252 if (cryptkey != curbuf->b_p_key) | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2253 free_crypt_key(cryptkey); |
| 7 | 2254 #endif |
| 2255 | |
| 2256 #ifdef FEAT_MBYTE | |
| 819 | 2257 /* If editing a new file: set 'fenc' for the current buffer. |
| 2258 * Also for ":read ++edit file". */ | |
| 2259 if (set_options) | |
| 7 | 2260 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2261 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2262 if (fenc_alloced) |
| 2263 vim_free(fenc); | |
| 2264 # ifdef USE_ICONV | |
| 2265 if (iconv_fd != (iconv_t)-1) | |
| 2266 { | |
| 2267 iconv_close(iconv_fd); | |
| 2268 iconv_fd = (iconv_t)-1; | |
| 2269 } | |
| 2270 # endif | |
| 2271 #endif | |
| 2272 | |
| 2273 if (!read_buffer && !read_stdin) | |
| 2274 close(fd); /* errors are ignored */ | |
| 2003 | 2275 #ifdef HAVE_FD_CLOEXEC |
| 2276 else | |
| 2277 { | |
| 2278 int fdflags = fcntl(fd, F_GETFD); | |
| 2279 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2280 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2281 } | |
| 2282 #endif | |
| 7 | 2283 vim_free(buffer); |
| 2284 | |
| 2285 #ifdef HAVE_DUP | |
| 2286 if (read_stdin) | |
| 2287 { | |
| 2288 /* Use stderr for stdin, makes shell commands work. */ | |
| 2289 close(0); | |
| 1757 | 2290 ignored = dup(2); |
| 7 | 2291 } |
| 2292 #endif | |
| 2293 | |
| 2294 #ifdef FEAT_MBYTE | |
| 2295 if (tmpname != NULL) | |
| 2296 { | |
| 2297 mch_remove(tmpname); /* delete converted file */ | |
| 2298 vim_free(tmpname); | |
| 2299 } | |
| 2300 #endif | |
| 2301 --no_wait_return; /* may wait for return now */ | |
| 2302 | |
| 2303 /* | |
| 2304 * In recovery mode everything but autocommands is skipped. | |
| 2305 */ | |
| 2306 if (!recoverymode) | |
| 2307 { | |
| 2308 /* need to delete the last line, which comes from the empty buffer */ | |
| 2309 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2310 { | |
| 2311 #ifdef FEAT_NETBEANS_INTG | |
| 2312 netbeansFireChanges = 0; | |
| 2313 #endif | |
| 2314 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2315 #ifdef FEAT_NETBEANS_INTG | |
| 2316 netbeansFireChanges = 1; | |
| 2317 #endif | |
| 2318 --linecnt; | |
| 2319 } | |
| 2320 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2321 if (filesize == 0) | |
| 2322 linecnt = 0; | |
| 2323 if (newfile || read_buffer) | |
| 1201 | 2324 { |
| 7 | 2325 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2326 #ifdef FEAT_DIFF |
| 2327 /* After reading the text into the buffer the diff info needs to | |
| 2328 * be updated. */ | |
| 2329 diff_invalidate(curbuf); | |
| 2330 #endif | |
| 2331 #ifdef FEAT_FOLDING | |
| 2332 /* All folds in the window are invalid now. Mark them for update | |
| 2333 * before triggering autocommands. */ | |
| 2334 foldUpdateAll(curwin); | |
| 2335 #endif | |
| 2336 } | |
| 7 | 2337 else if (linecnt) /* appended at least one line */ |
| 2338 appended_lines_mark(from, linecnt); | |
| 2339 | |
| 2340 #ifndef ALWAYS_USE_GUI | |
| 2341 /* | |
| 2342 * If we were reading from the same terminal as where messages go, | |
| 2343 * the screen will have been messed up. | |
| 2344 * Switch on raw mode now and clear the screen. | |
| 2345 */ | |
| 2346 if (read_stdin) | |
| 2347 { | |
| 2348 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2349 starttermcap(); | |
| 2350 screenclear(); | |
| 2351 } | |
| 2352 #endif | |
| 2353 | |
| 2354 if (got_int) | |
| 2355 { | |
| 2356 if (!(flags & READ_DUMMY)) | |
| 2357 { | |
| 2358 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2359 if (newfile) | |
| 2360 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2361 } | |
| 2362 msg_scroll = msg_save; | |
| 2363 #ifdef FEAT_VIMINFO | |
| 2364 check_marks_read(); | |
| 2365 #endif | |
| 2366 return OK; /* an interrupt isn't really an error */ | |
| 2367 } | |
| 2368 | |
| 2369 if (!filtering && !(flags & READ_DUMMY)) | |
| 2370 { | |
| 2371 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2372 c = FALSE; | |
| 2373 | |
| 2374 #ifdef UNIX | |
| 2375 # ifdef S_ISFIFO | |
| 2376 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2377 { | |
| 2378 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2379 c = TRUE; | |
| 2380 } | |
| 2381 # else | |
| 2382 # ifdef S_IFIFO | |
| 2383 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2384 { | |
| 2385 STRCAT(IObuff, _("[fifo]")); | |
| 2386 c = TRUE; | |
| 2387 } | |
| 2388 # endif | |
| 2389 # ifdef S_IFSOCK | |
| 2390 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2391 { | |
| 2392 STRCAT(IObuff, _("[socket]")); | |
| 2393 c = TRUE; | |
| 2394 } | |
| 2395 # endif | |
| 2396 # endif | |
| 1313 | 2397 # ifdef OPEN_CHR_FILES |
| 2398 if (S_ISCHR(perm)) /* or character special */ | |
| 2399 { | |
| 2400 STRCAT(IObuff, _("[character special]")); | |
| 2401 c = TRUE; | |
| 2402 } | |
| 2403 # endif | |
| 7 | 2404 #endif |
| 2405 if (curbuf->b_p_ro) | |
| 2406 { | |
| 2407 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2408 c = TRUE; | |
| 2409 } | |
| 2410 if (read_no_eol_lnum) | |
| 2411 { | |
| 2412 msg_add_eol(); | |
| 2413 c = TRUE; | |
| 2414 } | |
| 2415 if (ff_error == EOL_DOS) | |
| 2416 { | |
| 2417 STRCAT(IObuff, _("[CR missing]")); | |
| 2418 c = TRUE; | |
| 2419 } | |
| 2420 if (split) | |
| 2421 { | |
| 2422 STRCAT(IObuff, _("[long lines split]")); | |
| 2423 c = TRUE; | |
| 2424 } | |
| 2425 #ifdef FEAT_MBYTE | |
| 2426 if (notconverted) | |
| 2427 { | |
| 2428 STRCAT(IObuff, _("[NOT converted]")); | |
| 2429 c = TRUE; | |
| 2430 } | |
| 2431 else if (converted) | |
| 2432 { | |
| 2433 STRCAT(IObuff, _("[converted]")); | |
| 2434 c = TRUE; | |
| 2435 } | |
| 2436 #endif | |
| 2437 #ifdef FEAT_CRYPT | |
| 2438 if (cryptkey != NULL) | |
| 2439 { | |
| 2440 STRCAT(IObuff, _("[crypted]")); | |
| 2441 c = TRUE; | |
| 2442 } | |
| 2443 #endif | |
| 2444 #ifdef FEAT_MBYTE | |
| 595 | 2445 if (conv_error != 0) |
| 2446 { | |
| 2447 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2448 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2449 c = TRUE; |
| 2450 } | |
| 2451 else if (illegal_byte > 0) | |
| 2452 { | |
| 2453 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2454 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2455 c = TRUE; | |
| 2456 } | |
| 2457 else | |
| 2458 #endif | |
| 2459 if (error) | |
| 2460 { | |
| 2461 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2462 c = TRUE; | |
| 2463 } | |
| 2464 if (msg_add_fileformat(fileformat)) | |
| 2465 c = TRUE; | |
| 2466 #ifdef FEAT_CRYPT | |
| 2467 if (cryptkey != NULL) | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2468 msg_add_lines(c, (long)linecnt, filesize |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2469 - CRYPT_MAGIC_LEN - crypt_seed_len[use_crypt_method]); |
| 7 | 2470 else |
| 2471 #endif | |
| 2472 msg_add_lines(c, (long)linecnt, filesize); | |
| 2473 | |
| 2474 vim_free(keep_msg); | |
| 2475 keep_msg = NULL; | |
| 2476 msg_scrolled_ign = TRUE; | |
| 2477 #ifdef ALWAYS_USE_GUI | |
| 2478 /* Don't show the message when reading stdin, it would end up in a | |
| 2479 * message box (which might be shown when exiting!) */ | |
| 2480 if (read_stdin || read_buffer) | |
| 2481 p = msg_may_trunc(FALSE, IObuff); | |
| 2482 else | |
| 2483 #endif | |
| 2484 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2485 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2486 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2487 /* Need to repeat the message after redrawing when: |
| 2488 * - When reading from stdin (the screen will be cleared next). | |
| 2489 * - When restart_edit is set (otherwise there will be a delay | |
| 2490 * before redrawing). | |
| 2491 * - When the screen was scrolled but there is no wait-return | |
| 2492 * prompt. */ | |
| 679 | 2493 set_keep_msg(p, 0); |
| 7 | 2494 msg_scrolled_ign = FALSE; |
| 2495 } | |
| 2496 | |
| 2497 /* with errors writing the file requires ":w!" */ | |
| 2498 if (newfile && (error | |
| 2499 #ifdef FEAT_MBYTE | |
| 595 | 2500 || conv_error != 0 |
| 679 | 2501 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2502 #endif |
| 2503 )) | |
| 2504 curbuf->b_p_ro = TRUE; | |
| 2505 | |
| 2506 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2507 | |
| 2508 /* | |
| 2509 * In Ex mode: cursor at last new line. | |
| 2510 * Otherwise: cursor at first new line. | |
| 2511 */ | |
| 2512 if (exmode_active) | |
| 2513 curwin->w_cursor.lnum = from + linecnt; | |
| 2514 else | |
| 2515 curwin->w_cursor.lnum = from + 1; | |
| 2516 check_cursor_lnum(); | |
| 2517 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2518 | |
| 2519 /* | |
| 2520 * Set '[ and '] marks to the newly read lines. | |
| 2521 */ | |
| 2522 curbuf->b_op_start.lnum = from + 1; | |
| 2523 curbuf->b_op_start.col = 0; | |
| 2524 curbuf->b_op_end.lnum = from + linecnt; | |
| 2525 curbuf->b_op_end.col = 0; | |
| 696 | 2526 |
| 2527 #ifdef WIN32 | |
| 2528 /* | |
| 2529 * Work around a weird problem: When a file has two links (only | |
| 2530 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2531 * through the other link, the timestamp information may be wrong. |
| 696 | 2532 * It's correct again after reading the file, thus reset the timestamp |
| 2533 * here. | |
| 2534 */ | |
| 2535 if (newfile && !read_stdin && !read_buffer | |
| 2536 && mch_stat((char *)fname, &st) >= 0) | |
| 2537 { | |
| 2538 buf_store_time(curbuf, &st, fname); | |
| 2539 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2540 } | |
| 2541 #endif | |
| 7 | 2542 } |
| 2543 msg_scroll = msg_save; | |
| 2544 | |
| 2545 #ifdef FEAT_VIMINFO | |
| 2546 /* | |
| 2547 * Get the marks before executing autocommands, so they can be used there. | |
| 2548 */ | |
| 2549 check_marks_read(); | |
| 2550 #endif | |
| 2551 | |
| 2552 /* | |
| 2553 * Trick: We remember if the last line of the read didn't have | |
| 2554 * an eol for when writing it again. This is required for | |
| 2555 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
| 2556 */ | |
| 2557 write_no_eol_lnum = read_no_eol_lnum; | |
| 2558 | |
| 167 | 2559 #ifdef FEAT_AUTOCMD |
| 7 | 2560 if (!read_stdin && !read_buffer) |
| 2561 { | |
| 2562 int m = msg_scroll; | |
| 2563 int n = msg_scrolled; | |
| 2564 | |
| 2565 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2566 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2567 if (set_options) |
| 7 | 2568 save_file_ff(curbuf); |
| 2569 | |
| 2570 /* | |
| 2571 * The output from the autocommands should not overwrite anything and | |
| 2572 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2573 * output was done. | |
| 2574 */ | |
| 2575 msg_scroll = TRUE; | |
| 2576 if (filtering) | |
| 2577 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2578 FALSE, curbuf, eap); | |
| 2579 else if (newfile) | |
| 2580 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2581 FALSE, curbuf, eap); | |
| 2582 else | |
| 2583 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2584 FALSE, NULL, eap); | |
| 2585 if (msg_scrolled == n) | |
| 2586 msg_scroll = m; | |
| 2587 #ifdef FEAT_EVAL | |
| 2588 if (aborting()) /* autocmds may abort script processing */ | |
| 2589 return FAIL; | |
| 2590 #endif | |
| 2591 } | |
| 2592 #endif | |
| 2593 | |
| 2594 if (recoverymode && error) | |
| 2595 return FAIL; | |
| 2596 return OK; | |
| 2597 } | |
| 2598 | |
| 1313 | 2599 #ifdef OPEN_CHR_FILES |
| 2600 /* | |
| 2601 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2602 * which is the name of files used for process substitution output by | |
| 2603 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2604 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2605 */ | |
| 2606 static int | |
| 2607 is_dev_fd_file(fname) | |
| 2608 char_u *fname; | |
| 2609 { | |
| 2610 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2611 && VIM_ISDIGIT(fname[8]) | |
| 2612 && *skipdigits(fname + 9) == NUL | |
| 2613 && (fname[9] != NUL | |
| 2614 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2615 } | |
| 2616 #endif | |
| 2617 | |
| 595 | 2618 #ifdef FEAT_MBYTE |
| 2619 | |
| 2620 /* | |
| 2621 * From the current line count and characters read after that, estimate the | |
| 2622 * line number where we are now. | |
| 2623 * Used for error messages that include a line number. | |
| 2624 */ | |
| 2625 static linenr_T | |
| 2626 readfile_linenr(linecnt, p, endp) | |
| 2627 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2628 char_u *p; /* start of more bytes read */ | |
| 2629 char_u *endp; /* end of more bytes read */ | |
| 2630 { | |
| 2631 char_u *s; | |
| 2632 linenr_T lnum; | |
| 2633 | |
| 2634 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2635 for (s = p; s < endp; ++s) | |
| 2636 if (*s == '\n') | |
| 2637 ++lnum; | |
| 2638 return lnum; | |
| 2639 } | |
| 2640 #endif | |
| 2641 | |
| 7 | 2642 /* |
| 612 | 2643 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2644 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2645 * Returns OK or FAIL. |
| 2646 */ | |
| 2647 int | |
| 2648 prep_exarg(eap, buf) | |
| 2649 exarg_T *eap; | |
| 2650 buf_T *buf; | |
| 2651 { | |
| 2652 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2653 #ifdef FEAT_MBYTE | |
| 2654 + STRLEN(buf->b_p_fenc) | |
| 2655 #endif | |
| 2656 + 15)); | |
| 2657 if (eap->cmd == NULL) | |
| 2658 return FAIL; | |
| 2659 | |
| 2660 #ifdef FEAT_MBYTE | |
| 2661 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2662 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2663 eap->bad_char = buf->b_bad_char; |
| 7 | 2664 #else |
| 2665 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2666 #endif | |
| 2667 eap->force_ff = 7; | |
| 612 | 2668 |
| 2669 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2670 eap->read_edit = FALSE; |
| 612 | 2671 eap->forceit = FALSE; |
| 7 | 2672 return OK; |
| 2673 } | |
| 2674 | |
| 2675 #ifdef FEAT_MBYTE | |
| 2676 /* | |
| 2677 * Find next fileencoding to use from 'fileencodings'. | |
| 2678 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2679 * When there are no more items, an empty string is returned and *pp is set to | |
| 2680 * NULL. | |
| 2681 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2682 */ | |
| 2683 static char_u * | |
| 2684 next_fenc(pp) | |
| 2685 char_u **pp; | |
| 2686 { | |
| 2687 char_u *p; | |
| 2688 char_u *r; | |
| 2689 | |
| 2690 if (**pp == NUL) | |
| 2691 { | |
| 2692 *pp = NULL; | |
| 2693 return (char_u *)""; | |
| 2694 } | |
| 2695 p = vim_strchr(*pp, ','); | |
| 2696 if (p == NULL) | |
| 2697 { | |
| 2698 r = enc_canonize(*pp); | |
| 2699 *pp += STRLEN(*pp); | |
| 2700 } | |
| 2701 else | |
| 2702 { | |
| 2703 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2704 *pp = p + 1; | |
| 2705 if (r != NULL) | |
| 2706 { | |
| 2707 p = enc_canonize(r); | |
| 2708 vim_free(r); | |
| 2709 r = p; | |
| 2710 } | |
| 2711 } | |
| 2712 if (r == NULL) /* out of memory */ | |
| 2713 { | |
| 2714 r = (char_u *)""; | |
| 2715 *pp = NULL; | |
| 2716 } | |
| 2717 return r; | |
| 2718 } | |
| 2719 | |
| 2720 # ifdef FEAT_EVAL | |
| 2721 /* | |
| 2722 * Convert a file with the 'charconvert' expression. | |
| 2723 * This closes the file which is to be read, converts it and opens the | |
| 2724 * resulting file for reading. | |
| 2725 * Returns name of the resulting converted file (the caller should delete it | |
| 2726 * after reading it). | |
| 2727 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2728 */ | |
| 2729 static char_u * | |
| 2730 readfile_charconvert(fname, fenc, fdp) | |
| 2731 char_u *fname; /* name of input file */ | |
| 2732 char_u *fenc; /* converted from */ | |
| 2733 int *fdp; /* in/out: file descriptor of file */ | |
| 2734 { | |
| 2735 char_u *tmpname; | |
| 2736 char_u *errmsg = NULL; | |
| 2737 | |
| 2738 tmpname = vim_tempname('r'); | |
| 2739 if (tmpname == NULL) | |
| 2740 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2741 else | |
| 2742 { | |
| 2743 close(*fdp); /* close the input file, ignore errors */ | |
| 2744 *fdp = -1; | |
| 2745 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2746 fname, tmpname) == FAIL) | |
| 2747 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2748 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2749 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2750 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2751 } | |
| 2752 | |
| 2753 if (errmsg != NULL) | |
| 2754 { | |
| 2755 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2756 * another type of conversion might still work. */ | |
| 2757 MSG(errmsg); | |
| 2758 if (tmpname != NULL) | |
| 2759 { | |
| 2760 mch_remove(tmpname); /* delete converted file */ | |
| 2761 vim_free(tmpname); | |
| 2762 tmpname = NULL; | |
| 2763 } | |
| 2764 } | |
| 2765 | |
| 2766 /* If the input file is closed, open it (caller should check for error). */ | |
| 2767 if (*fdp < 0) | |
| 2768 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2769 | |
| 2770 return tmpname; | |
| 2771 } | |
| 2772 # endif | |
| 2773 | |
| 2774 #endif | |
| 2775 | |
| 2776 #ifdef FEAT_VIMINFO | |
| 2777 /* | |
| 2778 * Read marks for the current buffer from the viminfo file, when we support | |
| 2779 * buffer marks and the buffer has a name. | |
| 2780 */ | |
| 2781 static void | |
| 2782 check_marks_read() | |
| 2783 { | |
| 2784 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2785 && curbuf->b_ffname != NULL) | |
| 1733 | 2786 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2787 |
| 2788 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2789 * the ' parameter after opening a buffer. */ | |
| 2790 curbuf->b_marks_read = TRUE; | |
| 2791 } | |
| 2792 #endif | |
| 2793 | |
| 2794 #ifdef FEAT_CRYPT | |
| 2795 /* | |
|
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2796 * Get the crypt method used for a file from "ptr[len]", the magic text at the |
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2797 * start of the file. |
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2798 * Returns -1 when no encryption used. |
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2799 */ |
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2800 static int |
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2801 get_crypt_method(ptr, len) |
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2802 char *ptr; |
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2803 int len; |
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2804 { |
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2805 int i; |
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2806 |
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2807 for (i = 0; i < (int)(sizeof(crypt_magic) / sizeof(crypt_magic[0])); i++) |
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2808 { |
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2809 if (len < (CRYPT_MAGIC_LEN + crypt_seed_len[i])) |
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2810 continue; |
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2811 if (memcmp(ptr, crypt_magic[i], CRYPT_MAGIC_LEN) == 0) |
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2812 return i; |
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2813 } |
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2814 return -1; |
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2815 } |
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2816 |
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2817 /* |
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2818 * Check for magic number used for encryption. Applies to the current buffer. |
| 7 | 2819 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
| 2820 * *filesizep are updated. | |
| 2821 * Return the (new) encryption key, NULL for no encryption. | |
| 2822 */ | |
| 2823 static char_u * | |
| 2824 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile) | |
| 2825 char_u *cryptkey; /* previous encryption key or NULL */ | |
| 2826 char_u *ptr; /* pointer to read bytes */ | |
| 2827 long *sizep; /* length of read bytes */ | |
| 2828 long *filesizep; /* nr of bytes used from file */ | |
| 2829 int newfile; /* editing a new buffer */ | |
| 2830 { | |
|
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2831 int method = get_crypt_method((char *)ptr, *sizep); |
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2832 |
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2833 if (method >= 0) |
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2834 { |
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2835 curbuf->b_p_cm = method; |
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2836 use_crypt_method = method; |
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2837 if (method > 0) |
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2838 (void)blowfish_self_test(); |
| 7 | 2839 if (cryptkey == NULL) |
| 2840 { | |
| 2841 if (*curbuf->b_p_key) | |
| 2842 cryptkey = curbuf->b_p_key; | |
| 2843 else | |
| 2844 { | |
|
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2845 /* When newfile is TRUE, store the typed key in the 'key' |
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2846 * option and don't free it. bf needs hash of the key saved. |
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2847 */ |
| 7 | 2848 cryptkey = get_crypt_key(newfile, FALSE); |
| 2849 /* check if empty key entered */ | |
| 2850 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2851 { | |
| 2852 if (cryptkey != curbuf->b_p_key) | |
| 2853 vim_free(cryptkey); | |
| 2854 cryptkey = NULL; | |
| 2855 } | |
| 2856 } | |
| 2857 } | |
| 2858 | |
| 2859 if (cryptkey != NULL) | |
| 2860 { | |
|
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2861 int seed_len = crypt_seed_len[method]; |
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2862 |
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2863 if (method == 0) |
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2864 crypt_init_keys(cryptkey); |
|
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2865 else |
|
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2866 { |
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2867 bf_key_init(cryptkey); |
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2868 bf_ofb_init(ptr + CRYPT_MAGIC_LEN, seed_len); |
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2869 } |
| 7 | 2870 |
| 2871 /* Remove magic number from the text */ | |
|
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2872 *filesizep += CRYPT_MAGIC_LEN + seed_len; |
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2873 *sizep -= CRYPT_MAGIC_LEN + seed_len; |
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2874 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + seed_len, (size_t)*sizep); |
|
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2875 } |
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2876 } |
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2877 /* When starting to edit a new file which does not have encryption, clear |
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2878 * the 'key' option, except when starting up (called with -x argument) */ |
| 7 | 2879 else if (newfile && *curbuf->b_p_key && !starting) |
| 2880 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); | |
| 2881 | |
| 2882 return cryptkey; | |
| 2883 } | |
| 2884 #endif | |
| 2885 | |
| 2886 #ifdef UNIX | |
| 2887 static void | |
| 2888 set_file_time(fname, atime, mtime) | |
| 2889 char_u *fname; | |
| 2890 time_t atime; /* access time */ | |
| 2891 time_t mtime; /* modification time */ | |
| 2892 { | |
| 2893 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 2894 struct utimbuf buf; | |
| 2895 | |
| 2896 buf.actime = atime; | |
| 2897 buf.modtime = mtime; | |
| 2898 (void)utime((char *)fname, &buf); | |
| 2899 # else | |
| 2900 # if defined(HAVE_UTIMES) | |
| 2901 struct timeval tvp[2]; | |
| 2902 | |
| 2903 tvp[0].tv_sec = atime; | |
| 2904 tvp[0].tv_usec = 0; | |
| 2905 tvp[1].tv_sec = mtime; | |
| 2906 tvp[1].tv_usec = 0; | |
| 2907 # ifdef NeXT | |
| 2908 (void)utimes((char *)fname, tvp); | |
| 2909 # else | |
| 2910 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 2911 # endif | |
| 2912 # endif | |
| 2913 # endif | |
| 2914 } | |
| 2915 #endif /* UNIX */ | |
| 2916 | |
| 22 | 2917 #if defined(VMS) && !defined(MIN) |
| 2918 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 2919 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 2920 #endif | |
| 2921 | |
| 7 | 2922 /* |
| 1303 | 2923 * Return TRUE if a file appears to be read-only from the file permissions. |
| 2924 */ | |
| 2925 int | |
| 2926 check_file_readonly(fname, perm) | |
| 2927 char_u *fname; /* full path to file */ | |
| 2928 int perm; /* known permissions on file */ | |
| 2929 { | |
| 2930 #ifndef USE_MCH_ACCESS | |
| 2931 int fd = 0; | |
| 2932 #endif | |
| 2933 | |
| 2934 return ( | |
| 2935 #ifdef USE_MCH_ACCESS | |
| 2936 # ifdef UNIX | |
| 2937 (perm & 0222) == 0 || | |
| 2938 # endif | |
| 2939 mch_access((char *)fname, W_OK) | |
| 2940 #else | |
| 2941 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 2942 ? TRUE : (close(fd), FALSE) | |
| 2943 #endif | |
| 2944 ); | |
| 2945 } | |
| 2946 | |
| 2947 | |
| 2948 /* | |
| 589 | 2949 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 2950 * |
| 2951 * We do our own buffering here because fwrite() is so slow. | |
| 2952 * | |
| 589 | 2953 * If "forceit" is true, we don't care for errors when attempting backups. |
| 2954 * In case of an error everything possible is done to restore the original | |
| 1698 | 2955 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 2956 * |
| 2957 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 2958 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 2959 * |
| 2960 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 2961 * | |
| 2962 * return FAIL for failure, OK otherwise | |
| 2963 */ | |
| 2964 int | |
| 2965 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 2966 reset_changed, filtering) | |
| 2967 buf_T *buf; | |
| 2968 char_u *fname; | |
| 2969 char_u *sfname; | |
| 2970 linenr_T start, end; | |
| 2971 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 2972 NULL! */ | |
| 589 | 2973 int append; /* append to the file */ |
| 7 | 2974 int forceit; |
| 2975 int reset_changed; | |
| 2976 int filtering; | |
| 2977 { | |
| 2978 int fd; | |
| 2979 char_u *backup = NULL; | |
| 2980 int backup_copy = FALSE; /* copy the original file? */ | |
| 2981 int dobackup; | |
| 2982 char_u *ffname; | |
| 2983 char_u *wfname = NULL; /* name of file to write to */ | |
| 2984 char_u *s; | |
| 2985 char_u *ptr; | |
| 2986 char_u c; | |
| 2987 int len; | |
| 2988 linenr_T lnum; | |
| 2989 long nchars; | |
| 2990 char_u *errmsg = NULL; | |
| 1947 | 2991 int errmsg_allocated = FALSE; |
| 7 | 2992 char_u *errnum = NULL; |
| 2993 char_u *buffer; | |
| 2994 char_u smallbuf[SMBUFSIZE]; | |
| 2995 char_u *backup_ext; | |
| 2996 int bufsize; | |
| 2997 long perm; /* file permissions */ | |
| 2998 int retval = OK; | |
| 2999 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 3000 int msg_save = msg_scroll; | |
| 3001 int overwriting; /* TRUE if writing over original */ | |
| 3002 int no_eol = FALSE; /* no end-of-line written */ | |
| 3003 int device = FALSE; /* writing to a device */ | |
| 3004 struct stat st_old; | |
| 3005 int prev_got_int = got_int; | |
| 3006 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 3007 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 3008 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 3009 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 3010 #endif | |
| 3011 /* writing everything */ | |
| 3012 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 3013 #ifdef FEAT_AUTOCMD | |
| 3014 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 3015 #endif | |
| 3016 int attr; | |
| 3017 int fileformat; | |
| 3018 int write_bin; | |
| 3019 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 3020 #ifdef FEAT_MBYTE | |
| 3021 int converted = FALSE; | |
| 3022 int notconverted = FALSE; | |
| 3023 char_u *fenc; /* effective 'fileencoding' */ | |
| 3024 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 3025 #endif | |
| 3026 #ifdef HAS_BW_FLAGS | |
| 3027 int wb_flags = 0; | |
| 3028 #endif | |
| 3029 #ifdef HAVE_ACL | |
| 3030 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 3031 backup or new file */ | |
| 3032 #endif | |
| 3033 | |
| 3034 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 3035 return FAIL; | |
| 2028 | 3036 if (buf->b_ml.ml_mfp == NULL) |
| 3037 { | |
| 3038 /* This can happen during startup when there is a stray "w" in the | |
| 3039 * vimrc file. */ | |
| 3040 EMSG(_(e_emptybuf)); | |
| 3041 return FAIL; | |
| 3042 } | |
| 7 | 3043 |
| 3044 /* | |
| 3045 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3046 * security reasons. | |
| 3047 */ | |
| 3048 if (check_secure()) | |
| 3049 return FAIL; | |
| 3050 | |
| 3051 /* Avoid a crash for a long name. */ | |
| 3052 if (STRLEN(fname) >= MAXPATHL) | |
| 3053 { | |
| 3054 EMSG(_(e_longname)); | |
| 3055 return FAIL; | |
| 3056 } | |
| 3057 | |
| 3058 #ifdef FEAT_MBYTE | |
| 3059 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3060 write_info.bw_conv_buf = NULL; | |
| 3061 write_info.bw_conv_error = FALSE; | |
| 1947 | 3062 write_info.bw_conv_error_lnum = 0; |
| 7 | 3063 write_info.bw_restlen = 0; |
| 3064 # ifdef USE_ICONV | |
| 3065 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3066 # endif | |
| 3067 #endif | |
| 3068 | |
| 167 | 3069 /* After writing a file changedtick changes but we don't want to display |
| 3070 * the line. */ | |
| 3071 ex_no_reprint = TRUE; | |
| 3072 | |
| 7 | 3073 /* |
| 3074 * If there is no file name yet, use the one for the written file. | |
| 3075 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3076 * Don't do this when the write is for a filter command. | |
| 589 | 3077 * Don't do this when appending. |
| 3078 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3079 */ |
| 633 | 3080 if (buf->b_ffname == NULL |
| 3081 && reset_changed | |
| 7 | 3082 && whole |
| 3083 && buf == curbuf | |
| 236 | 3084 #ifdef FEAT_QUICKFIX |
| 3085 && !bt_nofile(buf) | |
| 3086 #endif | |
| 7 | 3087 && !filtering |
| 589 | 3088 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3089 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3090 { | |
| 633 | 3091 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3092 return FAIL; |
| 633 | 3093 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3094 } |
| 3095 | |
| 3096 if (sfname == NULL) | |
| 3097 sfname = fname; | |
| 3098 /* | |
| 3099 * For Unix: Use the short file name whenever possible. | |
| 3100 * Avoids problems with networks and when directory names are changed. | |
| 3101 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3102 * another directory, which we don't detect | |
| 3103 */ | |
| 3104 ffname = fname; /* remember full fname */ | |
| 3105 #ifdef UNIX | |
| 3106 fname = sfname; | |
| 3107 #endif | |
| 3108 | |
| 3109 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3110 overwriting = TRUE; | |
| 3111 else | |
| 3112 overwriting = FALSE; | |
| 3113 | |
| 3114 if (exiting) | |
| 3115 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
| 3116 | |
| 3117 ++no_wait_return; /* don't wait for return yet */ | |
| 3118 | |
| 3119 /* | |
| 3120 * Set '[ and '] marks to the lines to be written. | |
| 3121 */ | |
| 3122 buf->b_op_start.lnum = start; | |
| 3123 buf->b_op_start.col = 0; | |
| 3124 buf->b_op_end.lnum = end; | |
| 3125 buf->b_op_end.col = 0; | |
| 3126 | |
| 3127 #ifdef FEAT_AUTOCMD | |
| 3128 { | |
| 3129 aco_save_T aco; | |
| 3130 int buf_ffname = FALSE; | |
| 3131 int buf_sfname = FALSE; | |
| 3132 int buf_fname_f = FALSE; | |
| 3133 int buf_fname_s = FALSE; | |
| 3134 int did_cmd = FALSE; | |
| 17 | 3135 int nofile_err = FALSE; |
| 161 | 3136 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3137 |
| 3138 /* | |
| 3139 * Apply PRE aucocommands. | |
| 3140 * Set curbuf to the buffer to be written. | |
| 3141 * Careful: The autocommands may call buf_write() recursively! | |
| 3142 */ | |
| 3143 if (ffname == buf->b_ffname) | |
| 3144 buf_ffname = TRUE; | |
| 3145 if (sfname == buf->b_sfname) | |
| 3146 buf_sfname = TRUE; | |
| 3147 if (fname == buf->b_ffname) | |
| 3148 buf_fname_f = TRUE; | |
| 3149 if (fname == buf->b_sfname) | |
| 3150 buf_fname_s = TRUE; | |
| 3151 | |
| 3152 /* set curwin/curbuf to buf and save a few things */ | |
| 3153 aucmd_prepbuf(&aco, buf); | |
| 3154 | |
| 3155 if (append) | |
| 3156 { | |
| 3157 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3158 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3159 { |
| 635 | 3160 #ifdef FEAT_QUICKFIX |
| 18 | 3161 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3162 nofile_err = TRUE; |
| 3163 else | |
| 635 | 3164 #endif |
| 17 | 3165 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3166 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3167 } |
| 7 | 3168 } |
| 3169 else if (filtering) | |
| 3170 { | |
| 3171 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3172 NULL, sfname, FALSE, curbuf, eap); | |
| 3173 } | |
| 3174 else if (reset_changed && whole) | |
| 3175 { | |
| 3176 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3177 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3178 { |
| 635 | 3179 #ifdef FEAT_QUICKFIX |
| 179 | 3180 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3181 nofile_err = TRUE; |
| 3182 else | |
| 635 | 3183 #endif |
| 17 | 3184 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3185 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3186 } |
| 7 | 3187 } |
| 3188 else | |
| 3189 { | |
| 3190 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3191 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3192 { |
| 635 | 3193 #ifdef FEAT_QUICKFIX |
| 179 | 3194 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3195 nofile_err = TRUE; |
| 3196 else | |
| 635 | 3197 #endif |
| 17 | 3198 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3199 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3200 } |
| 7 | 3201 } |
| 3202 | |
| 3203 /* restore curwin/curbuf and a few other things */ | |
| 3204 aucmd_restbuf(&aco); | |
| 3205 | |
| 3206 /* | |
| 3207 * In three situations we return here and don't write the file: | |
| 3208 * 1. the autocommands deleted or unloaded the buffer. | |
| 3209 * 2. The autocommands abort script processing. | |
| 3210 * 3. If one of the "Cmd" autocommands was executed. | |
| 3211 */ | |
| 3212 if (!buf_valid(buf)) | |
| 3213 buf = NULL; | |
| 161 | 3214 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3215 || did_cmd || nofile_err |
| 3216 #ifdef FEAT_EVAL | |
| 3217 || aborting() | |
| 3218 #endif | |
| 3219 ) | |
| 7 | 3220 { |
| 3221 --no_wait_return; | |
| 3222 msg_scroll = msg_save; | |
| 17 | 3223 if (nofile_err) |
| 3224 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3225 | |
| 532 | 3226 if (nofile_err |
| 3227 #ifdef FEAT_EVAL | |
| 3228 || aborting() | |
| 3229 #endif | |
| 3230 ) | |
| 7 | 3231 /* An aborting error, interrupt or exception in the |
| 3232 * autocommands. */ | |
| 3233 return FAIL; | |
| 3234 if (did_cmd) | |
| 3235 { | |
| 3236 if (buf == NULL) | |
| 3237 /* The buffer was deleted. We assume it was written | |
| 3238 * (can't retry anyway). */ | |
| 3239 return OK; | |
| 3240 if (overwriting) | |
| 3241 { | |
| 3242 /* Assume the buffer was written, update the timestamp. */ | |
| 3243 ml_timestamp(buf); | |
| 589 | 3244 if (append) |
| 3245 buf->b_flags &= ~BF_NEW; | |
| 3246 else | |
| 3247 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3248 } |
| 589 | 3249 if (reset_changed && buf->b_changed && !append |
| 39 | 3250 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3251 /* Buffer still changed, the autocommands didn't work |
| 3252 * properly. */ | |
| 3253 return FAIL; | |
| 3254 return OK; | |
| 3255 } | |
| 3256 #ifdef FEAT_EVAL | |
| 3257 if (!aborting()) | |
| 3258 #endif | |
| 3259 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3260 return FAIL; | |
| 3261 } | |
| 3262 | |
| 3263 /* | |
| 3264 * The autocommands may have changed the number of lines in the file. | |
| 3265 * When writing the whole file, adjust the end. | |
| 3266 * When writing part of the file, assume that the autocommands only | |
| 3267 * changed the number of lines that are to be written (tricky!). | |
| 3268 */ | |
| 3269 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3270 { | |
| 3271 if (whole) /* write all */ | |
| 3272 end = buf->b_ml.ml_line_count; | |
| 3273 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3274 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3275 else /* less lines */ | |
| 3276 { | |
| 3277 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3278 if (end < start) | |
| 3279 { | |
| 3280 --no_wait_return; | |
| 3281 msg_scroll = msg_save; | |
| 3282 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3283 return FAIL; | |
| 3284 } | |
| 3285 } | |
| 3286 } | |
| 3287 | |
| 3288 /* | |
| 3289 * The autocommands may have changed the name of the buffer, which may | |
| 3290 * be kept in fname, ffname and sfname. | |
| 3291 */ | |
| 3292 if (buf_ffname) | |
| 3293 ffname = buf->b_ffname; | |
| 3294 if (buf_sfname) | |
| 3295 sfname = buf->b_sfname; | |
| 3296 if (buf_fname_f) | |
| 3297 fname = buf->b_ffname; | |
| 3298 if (buf_fname_s) | |
| 3299 fname = buf->b_sfname; | |
| 3300 } | |
| 3301 #endif | |
| 3302 | |
| 3303 #ifdef FEAT_NETBEANS_INTG | |
| 3304 if (usingNetbeans && isNetbeansBuffer(buf)) | |
| 3305 { | |
| 3306 if (whole) | |
| 3307 { | |
| 3308 /* | |
| 3309 * b_changed can be 0 after an undo, but we still need to write | |
| 3310 * the buffer to NetBeans. | |
| 3311 */ | |
| 3312 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3313 { | |
| 33 | 3314 --no_wait_return; /* may wait for return now */ |
| 3315 msg_scroll = msg_save; | |
| 3316 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3317 return retval; |
| 3318 } | |
| 3319 else | |
| 3320 { | |
| 3321 errnum = (char_u *)"E656: "; | |
| 1653 | 3322 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3323 buffer = NULL; |
| 3324 goto fail; | |
| 3325 } | |
| 3326 } | |
| 3327 else | |
| 3328 { | |
| 3329 errnum = (char_u *)"E657: "; | |
| 3330 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3331 buffer = NULL; | |
| 3332 goto fail; | |
| 3333 } | |
| 3334 } | |
| 3335 #endif | |
| 3336 | |
| 3337 if (shortmess(SHM_OVER) && !exiting) | |
| 3338 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3339 else | |
| 3340 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3341 if (!filtering) | |
| 3342 filemess(buf, | |
| 3343 #ifndef UNIX | |
| 3344 sfname, | |
| 3345 #else | |
| 3346 fname, | |
| 3347 #endif | |
| 3348 (char_u *)"", 0); /* show that we are busy */ | |
| 3349 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3350 | |
| 3351 buffer = alloc(BUFSIZE); | |
| 3352 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3353 * one (to be able to write when out of | |
| 3354 * memory) */ | |
| 3355 { | |
| 3356 buffer = smallbuf; | |
| 3357 bufsize = SMBUFSIZE; | |
| 3358 } | |
| 3359 else | |
| 3360 bufsize = BUFSIZE; | |
| 3361 | |
| 3362 /* | |
| 3363 * Get information about original file (if there is one). | |
| 3364 */ | |
| 3365 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3366 st_old.st_dev = 0; |
| 3367 st_old.st_ino = 0; | |
| 7 | 3368 perm = -1; |
| 3369 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3370 newfile = TRUE; | |
| 3371 else | |
| 3372 { | |
| 3373 perm = st_old.st_mode; | |
| 3374 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3375 { | |
| 3376 if (S_ISDIR(st_old.st_mode)) | |
| 3377 { | |
| 3378 errnum = (char_u *)"E502: "; | |
| 3379 errmsg = (char_u *)_("is a directory"); | |
| 3380 goto fail; | |
| 3381 } | |
| 3382 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3383 { | |
| 3384 errnum = (char_u *)"E503: "; | |
| 3385 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3386 goto fail; | |
| 3387 } | |
| 3388 /* It's a device of some kind (or a fifo) which we can write to | |
| 3389 * but for which we can't make a backup. */ | |
| 3390 device = TRUE; | |
| 3391 newfile = TRUE; | |
| 3392 perm = -1; | |
| 3393 } | |
| 3394 } | |
| 3395 #else /* !UNIX */ | |
| 3396 /* | |
| 3397 * Check for a writable device name. | |
| 3398 */ | |
| 3399 c = mch_nodetype(fname); | |
| 3400 if (c == NODE_OTHER) | |
| 3401 { | |
| 3402 errnum = (char_u *)"E503: "; | |
| 3403 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3404 goto fail; | |
| 3405 } | |
| 3406 if (c == NODE_WRITABLE) | |
| 3407 { | |
| 1004 | 3408 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3409 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3410 * trying to write to it. */ | |
| 3411 if (!p_odev) | |
| 3412 { | |
| 3413 errnum = (char_u *)"E796: "; | |
| 3414 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3415 goto fail; | |
| 3416 } | |
| 3417 # endif | |
| 7 | 3418 device = TRUE; |
| 3419 newfile = TRUE; | |
| 3420 perm = -1; | |
| 3421 } | |
| 3422 else | |
| 3423 { | |
| 3424 perm = mch_getperm(fname); | |
| 3425 if (perm < 0) | |
| 3426 newfile = TRUE; | |
| 3427 else if (mch_isdir(fname)) | |
| 3428 { | |
| 3429 errnum = (char_u *)"E502: "; | |
| 3430 errmsg = (char_u *)_("is a directory"); | |
| 3431 goto fail; | |
| 3432 } | |
| 3433 if (overwriting) | |
| 3434 (void)mch_stat((char *)fname, &st_old); | |
| 3435 } | |
| 3436 #endif /* !UNIX */ | |
| 3437 | |
| 3438 if (!device && !newfile) | |
| 3439 { | |
| 3440 /* | |
| 3441 * Check if the file is really writable (when renaming the file to | |
| 3442 * make a backup we won't discover it later). | |
| 3443 */ | |
| 1303 | 3444 file_readonly = check_file_readonly(fname, (int)perm); |
| 3445 | |
| 7 | 3446 if (!forceit && file_readonly) |
| 3447 { | |
| 3448 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3449 { | |
| 3450 errnum = (char_u *)"E504: "; | |
| 3451 errmsg = (char_u *)_(err_readonly); | |
| 3452 } | |
| 3453 else | |
| 3454 { | |
| 3455 errnum = (char_u *)"E505: "; | |
| 3456 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3457 } | |
| 3458 goto fail; | |
| 3459 } | |
| 3460 | |
| 3461 /* | |
| 3462 * Check if the timestamp hasn't changed since reading the file. | |
| 3463 */ | |
| 3464 if (overwriting) | |
| 3465 { | |
| 3466 retval = check_mtime(buf, &st_old); | |
| 3467 if (retval == FAIL) | |
| 3468 goto fail; | |
| 3469 } | |
| 3470 } | |
| 3471 | |
| 3472 #ifdef HAVE_ACL | |
| 3473 /* | |
| 3474 * For systems that support ACL: get the ACL from the original file. | |
| 3475 */ | |
| 3476 if (!newfile) | |
| 3477 acl = mch_get_acl(fname); | |
| 3478 #endif | |
| 3479 | |
| 3480 /* | |
| 3481 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3482 */ | |
| 3483 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3484 #ifdef FEAT_WILDIGN | |
| 3485 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3486 dobackup = FALSE; | |
| 3487 #endif | |
| 3488 | |
| 3489 /* | |
| 3490 * Save the value of got_int and reset it. We don't want a previous | |
| 3491 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3492 * abort it. | |
| 3493 */ | |
| 3494 prev_got_int = got_int; | |
| 3495 got_int = FALSE; | |
| 3496 | |
| 3497 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3498 buf->b_saving = TRUE; | |
| 3499 | |
| 3500 /* | |
| 3501 * If we are not appending or filtering, the file exists, and the | |
| 3502 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3503 * When 'patchmode' is set also make a backup when appending. | |
| 3504 * | |
| 3505 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3506 * off. This helps when editing large files on almost-full disks. | |
| 3507 */ | |
| 3508 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3509 { | |
| 3510 #if defined(UNIX) || defined(WIN32) | |
| 3511 struct stat st; | |
| 3512 #endif | |
| 3513 | |
| 3514 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3515 backup_copy = TRUE; | |
| 3516 #if defined(UNIX) || defined(WIN32) | |
| 3517 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3518 { | |
| 3519 int i; | |
| 3520 | |
| 3521 # ifdef UNIX | |
| 3522 /* | |
| 3523 * Don't rename the file when: | |
| 3524 * - it's a hard link | |
| 3525 * - it's a symbolic link | |
| 3526 * - we don't have write permission in the directory | |
| 3527 * - we can't set the owner/group of the new file | |
| 3528 */ | |
| 3529 if (st_old.st_nlink > 1 | |
| 3530 || mch_lstat((char *)fname, &st) < 0 | |
| 3531 || st.st_dev != st_old.st_dev | |
| 557 | 3532 || st.st_ino != st_old.st_ino |
| 3533 # ifndef HAVE_FCHOWN | |
| 3534 || st.st_uid != st_old.st_uid | |
| 3535 || st.st_gid != st_old.st_gid | |
| 3536 # endif | |
| 3537 ) | |
| 7 | 3538 backup_copy = TRUE; |
| 3539 else | |
| 696 | 3540 # else |
| 3541 # ifdef WIN32 | |
| 3542 /* On NTFS file systems hard links are possible. */ | |
| 3543 if (mch_is_linked(fname)) | |
| 3544 backup_copy = TRUE; | |
| 3545 else | |
| 3546 # endif | |
| 7 | 3547 # endif |
| 3548 { | |
| 3549 /* | |
| 3550 * Check if we can create a file and set the owner/group to | |
| 3551 * the ones from the original file. | |
| 3552 * First find a file name that doesn't exist yet (use some | |
| 3553 * arbitrary numbers). | |
| 3554 */ | |
| 3555 STRCPY(IObuff, fname); | |
| 3556 for (i = 4913; ; i += 123) | |
| 3557 { | |
| 3558 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3559 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3560 break; |
| 3561 } | |
| 557 | 3562 fd = mch_open((char *)IObuff, |
| 3563 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3564 if (fd < 0) /* can't write in directory */ |
| 3565 backup_copy = TRUE; | |
| 3566 else | |
| 3567 { | |
| 3568 # ifdef UNIX | |
| 557 | 3569 # ifdef HAVE_FCHOWN |
| 1757 | 3570 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3571 # endif |
| 7 | 3572 if (mch_stat((char *)IObuff, &st) < 0 |
| 3573 || st.st_uid != st_old.st_uid | |
| 3574 || st.st_gid != st_old.st_gid | |
| 1877 | 3575 || (long)st.st_mode != perm) |
| 7 | 3576 backup_copy = TRUE; |
| 3577 # endif | |
| 567 | 3578 /* Close the file before removing it, on MS-Windows we |
| 3579 * can't delete an open file. */ | |
| 3580 close(fd); | |
| 7 | 3581 mch_remove(IObuff); |
| 3582 } | |
| 3583 } | |
| 3584 } | |
| 3585 | |
| 3586 # ifdef UNIX | |
| 3587 /* | |
| 3588 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3589 */ | |
| 3590 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3591 { | |
| 3592 int lstat_res; | |
| 3593 | |
| 3594 lstat_res = mch_lstat((char *)fname, &st); | |
| 3595 | |
| 3596 /* Symlinks. */ | |
| 3597 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3598 && lstat_res == 0 | |
| 3599 && st.st_ino != st_old.st_ino) | |
| 3600 backup_copy = FALSE; | |
| 3601 | |
| 3602 /* Hardlinks. */ | |
| 3603 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3604 && st_old.st_nlink > 1 | |
| 3605 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3606 backup_copy = FALSE; | |
| 3607 } | |
| 3608 #endif | |
| 3609 | |
| 3610 #endif | |
| 3611 | |
| 3612 /* make sure we have a valid backup extension to use */ | |
| 3613 if (*p_bex == NUL) | |
| 3614 { | |
| 3615 #ifdef RISCOS | |
| 3616 backup_ext = (char_u *)"/bak"; | |
| 3617 #else | |
| 3618 backup_ext = (char_u *)".bak"; | |
| 3619 #endif | |
| 3620 } | |
| 3621 else | |
| 3622 backup_ext = p_bex; | |
| 3623 | |
| 3624 if (backup_copy | |
| 3625 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3626 { | |
| 3627 int bfd; | |
| 3628 char_u *copybuf, *wp; | |
| 3629 int some_error = FALSE; | |
| 3630 struct stat st_new; | |
| 3631 char_u *dirp; | |
| 3632 char_u *rootname; | |
| 344 | 3633 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3634 int did_set_shortname; |
| 3635 #endif | |
| 3636 | |
| 3637 copybuf = alloc(BUFSIZE + 1); | |
| 3638 if (copybuf == NULL) | |
| 3639 { | |
| 3640 some_error = TRUE; /* out of memory */ | |
| 3641 goto nobackup; | |
| 3642 } | |
| 3643 | |
| 3644 /* | |
| 3645 * Try to make the backup in each directory in the 'bdir' option. | |
| 3646 * | |
| 3647 * Unix semantics has it, that we may have a writable file, | |
| 3648 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3649 * - the directory is not writable, | |
| 3650 * - the file may be a symbolic link, | |
| 3651 * - the file may belong to another user/group, etc. | |
| 3652 * | |
| 3653 * For these reasons, the existing writable file must be truncated | |
| 3654 * and reused. Creation of a backup COPY will be attempted. | |
| 3655 */ | |
| 3656 dirp = p_bdir; | |
| 3657 while (*dirp) | |
| 3658 { | |
| 3659 #ifdef UNIX | |
| 3660 st_new.st_ino = 0; | |
| 3661 st_new.st_dev = 0; | |
| 3662 st_new.st_gid = 0; | |
| 3663 #endif | |
| 3664 | |
| 3665 /* | |
| 3666 * Isolate one directory name, using an entry in 'bdir'. | |
| 3667 */ | |
| 3668 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3669 rootname = get_file_in_dir(fname, copybuf); | |
| 3670 if (rootname == NULL) | |
| 3671 { | |
| 3672 some_error = TRUE; /* out of memory */ | |
| 3673 goto nobackup; | |
| 3674 } | |
| 3675 | |
| 344 | 3676 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3677 did_set_shortname = FALSE; |
| 3678 #endif | |
| 3679 | |
| 3680 /* | |
| 3681 * May try twice if 'shortname' not set. | |
| 3682 */ | |
| 3683 for (;;) | |
| 3684 { | |
| 3685 /* | |
| 3686 * Make backup file name. | |
| 3687 */ | |
| 3688 backup = buf_modname( | |
| 3689 #ifdef SHORT_FNAME | |
| 3690 TRUE, | |
| 3691 #else | |
| 3692 (buf->b_p_sn || buf->b_shortname), | |
| 3693 #endif | |
| 3694 rootname, backup_ext, FALSE); | |
| 3695 if (backup == NULL) | |
| 3696 { | |
| 3697 vim_free(rootname); | |
| 3698 some_error = TRUE; /* out of memory */ | |
| 3699 goto nobackup; | |
| 3700 } | |
| 3701 | |
| 3702 /* | |
| 3703 * Check if backup file already exists. | |
| 3704 */ | |
| 3705 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3706 { | |
| 3707 #ifdef UNIX | |
| 3708 /* | |
| 3709 * Check if backup file is same as original file. | |
| 3710 * May happen when modname() gave the same file back. | |
| 3711 * E.g. silly link, or file name-length reached. | |
| 3712 * If we don't check here, we either ruin the file | |
| 3713 * when copying or erase it after writing. jw. | |
| 3714 */ | |
| 3715 if (st_new.st_dev == st_old.st_dev | |
| 3716 && st_new.st_ino == st_old.st_ino) | |
| 3717 { | |
| 3718 vim_free(backup); | |
| 3719 backup = NULL; /* no backup file to delete */ | |
| 3720 # ifndef SHORT_FNAME | |
| 3721 /* | |
| 3722 * may try again with 'shortname' set | |
| 3723 */ | |
| 3724 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3725 { | |
| 3726 buf->b_shortname = TRUE; | |
| 3727 did_set_shortname = TRUE; | |
| 3728 continue; | |
| 3729 } | |
| 3730 /* setting shortname didn't help */ | |
| 3731 if (did_set_shortname) | |
| 3732 buf->b_shortname = FALSE; | |
| 3733 # endif | |
| 3734 break; | |
| 3735 } | |
| 3736 #endif | |
| 3737 | |
| 3738 /* | |
| 3739 * If we are not going to keep the backup file, don't | |
| 3740 * delete an existing one, try to use another name. | |
| 3741 * Change one character, just before the extension. | |
| 3742 */ | |
| 3743 if (!p_bk) | |
| 3744 { | |
| 3745 wp = backup + STRLEN(backup) - 1 | |
| 3746 - STRLEN(backup_ext); | |
| 3747 if (wp < backup) /* empty file name ??? */ | |
| 3748 wp = backup; | |
| 3749 *wp = 'z'; | |
| 3750 while (*wp > 'a' | |
| 3751 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3752 --*wp; | |
| 3753 /* They all exist??? Must be something wrong. */ | |
| 3754 if (*wp == 'a') | |
| 3755 { | |
| 3756 vim_free(backup); | |
| 3757 backup = NULL; | |
| 3758 } | |
| 3759 } | |
| 3760 } | |
| 3761 break; | |
| 3762 } | |
| 3763 vim_free(rootname); | |
| 3764 | |
| 3765 /* | |
| 3766 * Try to create the backup file | |
| 3767 */ | |
| 3768 if (backup != NULL) | |
| 3769 { | |
| 3770 /* remove old backup, if present */ | |
| 3771 mch_remove(backup); | |
| 3772 /* Open with O_EXCL to avoid the file being created while | |
| 3773 * we were sleeping (symlink hacker attack?) */ | |
| 3774 bfd = mch_open((char *)backup, | |
| 557 | 3775 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 3776 perm & 0777); | |
| 7 | 3777 if (bfd < 0) |
| 3778 { | |
| 3779 vim_free(backup); | |
| 3780 backup = NULL; | |
| 3781 } | |
| 3782 else | |
| 3783 { | |
| 3784 /* set file protection same as original file, but | |
| 3785 * strip s-bit */ | |
| 3786 (void)mch_setperm(backup, perm & 0777); | |
| 3787 | |
| 3788 #ifdef UNIX | |
| 3789 /* | |
| 3790 * Try to set the group of the backup same as the | |
| 3791 * original file. If this fails, set the protection | |
| 3792 * bits for the group same as the protection bits for | |
| 3793 * others. | |
| 3794 */ | |
| 557 | 3795 if (st_new.st_gid != st_old.st_gid |
| 7 | 3796 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 3797 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 3798 # endif |
| 3799 ) | |
| 3800 mch_setperm(backup, | |
| 3801 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 3802 # ifdef HAVE_SELINUX |
| 3803 mch_copy_sec(fname, backup); | |
| 3804 # endif | |
| 7 | 3805 #endif |
| 3806 | |
| 3807 /* | |
| 3808 * copy the file. | |
| 3809 */ | |
| 3810 write_info.bw_fd = bfd; | |
| 3811 write_info.bw_buf = copybuf; | |
| 3812 #ifdef HAS_BW_FLAGS | |
| 3813 write_info.bw_flags = FIO_NOCONVERT; | |
| 3814 #endif | |
| 3815 while ((write_info.bw_len = vim_read(fd, copybuf, | |
| 3816 BUFSIZE)) > 0) | |
| 3817 { | |
| 3818 if (buf_write_bytes(&write_info) == FAIL) | |
| 3819 { | |
| 3820 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 3821 break; | |
| 3822 } | |
| 3823 ui_breakcheck(); | |
| 3824 if (got_int) | |
| 3825 { | |
| 3826 errmsg = (char_u *)_(e_interr); | |
| 3827 break; | |
| 3828 } | |
| 3829 } | |
| 3830 | |
| 3831 if (close(bfd) < 0 && errmsg == NULL) | |
| 3832 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 3833 if (write_info.bw_len < 0) | |
| 3834 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 3835 #ifdef UNIX | |
| 3836 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 3837 #endif | |
| 3838 #ifdef HAVE_ACL | |
| 3839 mch_set_acl(backup, acl); | |
| 3840 #endif | |
| 1583 | 3841 #ifdef HAVE_SELINUX |
| 3842 mch_copy_sec(fname, backup); | |
| 3843 #endif | |
| 7 | 3844 break; |
| 3845 } | |
| 3846 } | |
| 3847 } | |
| 3848 nobackup: | |
| 3849 close(fd); /* ignore errors for closing read file */ | |
| 3850 vim_free(copybuf); | |
| 3851 | |
| 3852 if (backup == NULL && errmsg == NULL) | |
| 3853 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 3854 /* ignore errors when forceit is TRUE */ | |
| 3855 if ((some_error || errmsg != NULL) && !forceit) | |
| 3856 { | |
| 3857 retval = FAIL; | |
| 3858 goto fail; | |
| 3859 } | |
| 3860 errmsg = NULL; | |
| 3861 } | |
| 3862 else | |
| 3863 { | |
| 3864 char_u *dirp; | |
| 3865 char_u *p; | |
| 3866 char_u *rootname; | |
| 3867 | |
| 3868 /* | |
| 3869 * Make a backup by renaming the original file. | |
| 3870 */ | |
| 3871 /* | |
| 3872 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 3873 * overwrite a read-only file. But rename may be possible | |
| 3874 * anyway, thus we need an extra check here. | |
| 3875 */ | |
| 3876 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3877 { | |
| 3878 errnum = (char_u *)"E504: "; | |
| 3879 errmsg = (char_u *)_(err_readonly); | |
| 3880 goto fail; | |
| 3881 } | |
| 3882 | |
| 3883 /* | |
| 3884 * | |
| 3885 * Form the backup file name - change path/fo.o.h to | |
| 3886 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 3887 * that works is used. | |
| 3888 */ | |
| 3889 dirp = p_bdir; | |
| 3890 while (*dirp) | |
| 3891 { | |
| 3892 /* | |
| 3893 * Isolate one directory name and make the backup file name. | |
| 3894 */ | |
| 3895 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 3896 rootname = get_file_in_dir(fname, IObuff); | |
| 3897 if (rootname == NULL) | |
| 3898 backup = NULL; | |
| 3899 else | |
| 3900 { | |
| 3901 backup = buf_modname( | |
| 3902 #ifdef SHORT_FNAME | |
| 3903 TRUE, | |
| 3904 #else | |
| 3905 (buf->b_p_sn || buf->b_shortname), | |
| 3906 #endif | |
| 3907 rootname, backup_ext, FALSE); | |
| 3908 vim_free(rootname); | |
| 3909 } | |
| 3910 | |
| 3911 if (backup != NULL) | |
| 3912 { | |
| 3913 /* | |
| 3914 * If we are not going to keep the backup file, don't | |
| 3915 * delete an existing one, try to use another name. | |
| 3916 * Change one character, just before the extension. | |
| 3917 */ | |
| 3918 if (!p_bk && mch_getperm(backup) >= 0) | |
| 3919 { | |
| 3920 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 3921 if (p < backup) /* empty file name ??? */ | |
| 3922 p = backup; | |
| 3923 *p = 'z'; | |
| 3924 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 3925 --*p; | |
| 3926 /* They all exist??? Must be something wrong! */ | |
| 3927 if (*p == 'a') | |
| 3928 { | |
| 3929 vim_free(backup); | |
| 3930 backup = NULL; | |
| 3931 } | |
| 3932 } | |
| 3933 } | |
| 3934 if (backup != NULL) | |
| 3935 { | |
| 3936 /* | |
| 531 | 3937 * Delete any existing backup and move the current version |
| 3938 * to the backup. For safety, we don't remove the backup | |
| 3939 * until the write has finished successfully. And if the | |
| 3940 * 'backup' option is set, leave it around. | |
| 7 | 3941 */ |
| 3942 /* | |
| 3943 * If the renaming of the original file to the backup file | |
| 3944 * works, quit here. | |
| 3945 */ | |
| 3946 if (vim_rename(fname, backup) == 0) | |
| 3947 break; | |
| 3948 | |
| 3949 vim_free(backup); /* don't do the rename below */ | |
| 3950 backup = NULL; | |
| 3951 } | |
| 3952 } | |
| 3953 if (backup == NULL && !forceit) | |
| 3954 { | |
| 3955 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 3956 goto fail; | |
| 3957 } | |
| 3958 } | |
| 3959 } | |
| 3960 | |
| 3961 #if defined(UNIX) && !defined(ARCHIE) | |
| 3962 /* When using ":w!" and the file was read-only: make it writable */ | |
| 3963 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 3964 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 3965 { | |
| 3966 perm |= 0200; | |
| 3967 (void)mch_setperm(fname, perm); | |
| 3968 made_writable = TRUE; | |
| 3969 } | |
| 3970 #endif | |
| 3971 | |
| 819 | 3972 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 3973 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 3974 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 3975 { |
| 3976 buf->b_p_ro = FALSE; | |
| 3977 #ifdef FEAT_TITLE | |
| 3978 need_maketitle = TRUE; /* set window title later */ | |
| 3979 #endif | |
| 3980 #ifdef FEAT_WINDOWS | |
| 3981 status_redraw_all(); /* redraw status lines later */ | |
| 3982 #endif | |
| 3983 } | |
| 3984 | |
| 3985 if (end > buf->b_ml.ml_line_count) | |
| 3986 end = buf->b_ml.ml_line_count; | |
| 3987 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 3988 start = end + 1; | |
| 3989 | |
| 3990 /* | |
| 3991 * If the original file is being overwritten, there is a small chance that | |
| 3992 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 3993 * This makes all block numbers positive so that recovery does not need | |
| 3994 * the original file. | |
| 3995 * Don't do this if there is a backup file and we are exiting. | |
| 3996 */ | |
| 39 | 3997 if (reset_changed && !newfile && overwriting |
| 7 | 3998 && !(exiting && backup != NULL)) |
| 3999 { | |
| 4000 ml_preserve(buf, FALSE); | |
| 4001 if (got_int) | |
| 4002 { | |
| 4003 errmsg = (char_u *)_(e_interr); | |
| 4004 goto restore_backup; | |
| 4005 } | |
| 4006 } | |
| 4007 | |
| 4008 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4009 /* | |
| 4010 * Before risking to lose the original file verify if there's | |
| 4011 * a resource fork to preserve, and if cannot be done warn | |
| 4012 * the users. This happens when overwriting without backups. | |
| 4013 */ | |
| 4014 if (backup == NULL && overwriting && !append) | |
| 4015 if (mch_has_resource_fork(fname)) | |
| 4016 { | |
| 4017 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 4018 goto restore_backup; | |
| 4019 } | |
| 4020 #endif | |
| 4021 | |
| 4022 #ifdef VMS | |
| 4023 vms_remove_version(fname); /* remove version */ | |
| 4024 #endif | |
| 1651 | 4025 /* Default: write the file directly. May write to a temp file for |
| 7 | 4026 * multi-byte conversion. */ |
| 4027 wfname = fname; | |
| 4028 | |
| 4029 #ifdef FEAT_MBYTE | |
| 4030 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 4031 if (eap != NULL && eap->force_enc != 0) | |
| 4032 { | |
| 4033 fenc = eap->cmd + eap->force_enc; | |
| 4034 fenc = enc_canonize(fenc); | |
| 4035 fenc_tofree = fenc; | |
| 4036 } | |
| 4037 else | |
| 4038 fenc = buf->b_p_fenc; | |
| 4039 | |
| 4040 /* | |
| 1948 | 4041 * Check if the file needs to be converted. |
| 7 | 4042 */ |
| 1948 | 4043 converted = need_conversion(fenc); |
| 7 | 4044 |
| 4045 /* | |
| 4046 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4047 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4048 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4049 */ | |
| 4050 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4051 { | |
| 4052 wb_flags = get_fio_flags(fenc); | |
| 4053 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4054 { | |
| 4055 /* Need to allocate a buffer to translate into. */ | |
| 4056 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4057 write_info.bw_conv_buflen = bufsize * 2; | |
| 4058 else /* FIO_UCS4 */ | |
| 4059 write_info.bw_conv_buflen = bufsize * 4; | |
| 4060 write_info.bw_conv_buf | |
| 4061 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4062 if (write_info.bw_conv_buf == NULL) | |
| 4063 end = 0; | |
| 4064 } | |
| 4065 } | |
| 4066 | |
| 4067 # ifdef WIN3264 | |
| 4068 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4069 { | |
| 4070 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4071 write_info.bw_conv_buflen = bufsize * 4; | |
| 4072 write_info.bw_conv_buf | |
| 4073 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4074 if (write_info.bw_conv_buf == NULL) | |
| 4075 end = 0; | |
| 4076 } | |
| 4077 # endif | |
| 4078 | |
| 4079 # ifdef MACOS_X | |
| 4080 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4081 { | |
| 4082 write_info.bw_conv_buflen = bufsize * 3; | |
| 4083 write_info.bw_conv_buf | |
| 4084 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4085 if (write_info.bw_conv_buf == NULL) | |
| 4086 end = 0; | |
| 4087 } | |
| 4088 # endif | |
| 4089 | |
| 4090 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4091 if (converted && wb_flags == 0) | |
| 4092 { | |
| 4093 # ifdef USE_ICONV | |
| 4094 /* | |
| 4095 * Use iconv() conversion when conversion is needed and it's not done | |
| 4096 * internally. | |
| 4097 */ | |
| 4098 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4099 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4100 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4101 { | |
| 4102 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4103 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4104 write_info.bw_conv_buf | |
| 4105 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4106 if (write_info.bw_conv_buf == NULL) | |
| 4107 end = 0; | |
| 4108 write_info.bw_first = TRUE; | |
| 4109 } | |
| 4110 # ifdef FEAT_EVAL | |
| 4111 else | |
| 4112 # endif | |
| 4113 # endif | |
| 4114 | |
| 4115 # ifdef FEAT_EVAL | |
| 4116 /* | |
| 4117 * When the file needs to be converted with 'charconvert' after | |
| 4118 * writing, write to a temp file instead and let the conversion | |
| 4119 * overwrite the original file. | |
| 4120 */ | |
| 4121 if (*p_ccv != NUL) | |
| 4122 { | |
| 4123 wfname = vim_tempname('w'); | |
| 4124 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4125 { | |
| 4126 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4127 goto restore_backup; | |
| 4128 } | |
| 4129 } | |
| 4130 # endif | |
| 4131 } | |
| 4132 # endif | |
| 4133 if (converted && wb_flags == 0 | |
| 4134 # ifdef USE_ICONV | |
| 4135 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4136 # endif | |
| 4137 # ifdef FEAT_EVAL | |
| 4138 && wfname == fname | |
| 4139 # endif | |
| 4140 ) | |
| 4141 { | |
| 4142 if (!forceit) | |
| 4143 { | |
| 4144 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4145 goto restore_backup; | |
| 4146 } | |
| 4147 notconverted = TRUE; | |
| 4148 } | |
| 4149 #endif | |
| 4150 | |
| 4151 /* | |
| 4152 * Open the file "wfname" for writing. | |
| 4153 * We may try to open the file twice: If we can't write to the | |
| 4154 * file and forceit is TRUE we delete the existing file and try to create | |
| 4155 * a new one. If this still fails we may have lost the original file! | |
| 4156 * (this may happen when the user reached his quotum for number of files). | |
| 4157 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4158 */ | |
| 4159 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4160 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4161 : (O_CREAT | O_TRUNC)) | |
| 216 | 4162 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4163 { |
| 4164 /* | |
| 4165 * A forced write will try to create a new file if the old one is | |
| 4166 * still readonly. This may also happen when the directory is | |
| 4167 * read-only. In that case the mch_remove() will fail. | |
| 4168 */ | |
| 4169 if (errmsg == NULL) | |
| 4170 { | |
| 4171 #ifdef UNIX | |
| 4172 struct stat st; | |
| 4173 | |
| 4174 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4175 if ((!newfile && st_old.st_nlink > 1) | |
| 4176 || (mch_lstat((char *)fname, &st) == 0 | |
| 4177 && (st.st_dev != st_old.st_dev | |
| 4178 || st.st_ino != st_old.st_ino))) | |
| 4179 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4180 else | |
| 4181 #endif | |
| 4182 { | |
| 4183 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4184 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4185 && perm >= 0) | |
| 4186 { | |
| 4187 #ifdef UNIX | |
| 4188 /* we write to the file, thus it should be marked | |
| 4189 writable after all */ | |
| 4190 if (!(perm & 0200)) | |
| 4191 made_writable = TRUE; | |
| 4192 perm |= 0200; | |
| 4193 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4194 perm &= 0777; | |
| 4195 #endif | |
| 4196 if (!append) /* don't remove when appending */ | |
| 4197 mch_remove(wfname); | |
| 4198 continue; | |
| 4199 } | |
| 4200 } | |
| 4201 } | |
| 4202 | |
| 4203 restore_backup: | |
| 4204 { | |
| 4205 struct stat st; | |
| 4206 | |
| 4207 /* | |
| 4208 * If we failed to open the file, we don't need a backup. Throw it | |
| 4209 * away. If we moved or removed the original file try to put the | |
| 4210 * backup in its place. | |
| 4211 */ | |
| 4212 if (backup != NULL && wfname == fname) | |
| 4213 { | |
| 4214 if (backup_copy) | |
| 4215 { | |
| 4216 /* | |
| 4217 * There is a small chance that we removed the original, | |
| 4218 * try to move the copy in its place. | |
| 4219 * This may not work if the vim_rename() fails. | |
| 4220 * In that case we leave the copy around. | |
| 4221 */ | |
| 4222 /* If file does not exist, put the copy in its place */ | |
| 4223 if (mch_stat((char *)fname, &st) < 0) | |
| 4224 vim_rename(backup, fname); | |
| 4225 /* if original file does exist throw away the copy */ | |
| 4226 if (mch_stat((char *)fname, &st) >= 0) | |
| 4227 mch_remove(backup); | |
| 4228 } | |
| 4229 else | |
| 4230 { | |
| 4231 /* try to put the original file back */ | |
| 4232 vim_rename(backup, fname); | |
| 4233 } | |
| 4234 } | |
| 4235 | |
| 4236 /* if original file no longer exists give an extra warning */ | |
| 4237 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4238 end = 0; | |
| 4239 } | |
| 4240 | |
| 4241 #ifdef FEAT_MBYTE | |
| 4242 if (wfname != fname) | |
| 4243 vim_free(wfname); | |
| 4244 #endif | |
| 4245 goto fail; | |
| 4246 } | |
| 4247 errmsg = NULL; | |
| 4248 | |
| 4249 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4250 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4251 /* | |
| 4252 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4253 * This is done in order to preserve the resource fork and the |
| 4254 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4255 */ |
| 4256 if (backup != NULL && overwriting && !append) | |
| 4257 { | |
| 4258 if (backup_copy) | |
| 4259 (void)mch_copy_file_attribute(wfname, backup); | |
| 4260 else | |
| 4261 (void)mch_copy_file_attribute(backup, wfname); | |
| 4262 } | |
| 4263 | |
| 4264 if (!overwriting && !append) | |
| 4265 { | |
| 4266 if (buf->b_ffname != NULL) | |
| 4267 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4268 /* Should copy resource fork */ |
| 7 | 4269 } |
| 4270 #endif | |
| 4271 | |
| 4272 write_info.bw_fd = fd; | |
| 4273 | |
| 4274 #ifdef FEAT_CRYPT | |
| 4275 if (*buf->b_p_key && !filtering) | |
| 4276 { | |
|
2180
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
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2147
diff
changeset
|
4277 char_u header[CRYPT_MAGIC_LEN + CRYPT_SEED_LEN_MAX + 2]; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4278 int seed_len = crypt_seed_len[buf->b_p_cm]; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4279 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4280 use_crypt_method = buf->b_p_cm; /* select pkzip or blowfish */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4281 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4282 memset(header, 0, sizeof(header)); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4283 vim_strncpy(header, (char_u *)crypt_magic[use_crypt_method], |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4284 CRYPT_MAGIC_LEN); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4285 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4286 if (buf->b_p_cm == 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4287 crypt_init_keys(buf->b_p_key); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4288 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4289 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4290 /* Using blowfish, add seed. */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4291 sha2_seed(header + CRYPT_MAGIC_LEN, seed_len); /* create iv */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4292 bf_ofb_init(header + CRYPT_MAGIC_LEN, seed_len); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4293 bf_key_init(buf->b_p_key); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4294 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4295 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4296 /* Write magic number, so that Vim knows that this file is |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4297 * encrypted when reading it again. This also undergoes utf-8 to |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4298 * ucs-2/4 conversion when needed. */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4299 write_info.bw_buf = (char_u *)header; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4300 write_info.bw_len = CRYPT_MAGIC_LEN + seed_len; |
| 7 | 4301 write_info.bw_flags = FIO_NOCONVERT; |
| 4302 if (buf_write_bytes(&write_info) == FAIL) | |
| 4303 end = 0; | |
| 4304 wb_flags |= FIO_ENCRYPTED; | |
| 4305 } | |
| 4306 #endif | |
| 4307 | |
| 4308 write_info.bw_buf = buffer; | |
| 4309 nchars = 0; | |
| 4310 | |
| 4311 /* use "++bin", "++nobin" or 'binary' */ | |
| 4312 if (eap != NULL && eap->force_bin != 0) | |
| 4313 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4314 else | |
| 4315 write_bin = buf->b_p_bin; | |
| 4316 | |
| 4317 #ifdef FEAT_MBYTE | |
| 4318 /* | |
| 4319 * The BOM is written just after the encryption magic number. | |
| 24 | 4320 * Skip it when appending and the file already existed, the BOM only makes |
| 4321 * sense at the start of the file. | |
| 7 | 4322 */ |
| 24 | 4323 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4324 { |
| 4325 write_info.bw_len = make_bom(buffer, fenc); | |
| 4326 if (write_info.bw_len > 0) | |
| 4327 { | |
| 4328 /* don't convert, do encryption */ | |
| 4329 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4330 if (buf_write_bytes(&write_info) == FAIL) | |
| 4331 end = 0; | |
| 4332 else | |
| 4333 nchars += write_info.bw_len; | |
| 4334 } | |
| 4335 } | |
| 1947 | 4336 write_info.bw_start_lnum = start; |
| 7 | 4337 #endif |
| 4338 | |
| 4339 write_info.bw_len = bufsize; | |
| 4340 #ifdef HAS_BW_FLAGS | |
| 4341 write_info.bw_flags = wb_flags; | |
| 4342 #endif | |
| 4343 fileformat = get_fileformat_force(buf, eap); | |
| 4344 s = buffer; | |
| 4345 len = 0; | |
| 4346 for (lnum = start; lnum <= end; ++lnum) | |
| 4347 { | |
| 4348 /* | |
| 4349 * The next while loop is done once for each character written. | |
| 4350 * Keep it fast! | |
| 4351 */ | |
| 4352 ptr = ml_get_buf(buf, lnum, FALSE) - 1; | |
| 4353 while ((c = *++ptr) != NUL) | |
| 4354 { | |
| 4355 if (c == NL) | |
| 4356 *s = NUL; /* replace newlines with NULs */ | |
| 4357 else if (c == CAR && fileformat == EOL_MAC) | |
| 4358 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4359 else | |
| 4360 *s = c; | |
| 4361 ++s; | |
| 4362 if (++len != bufsize) | |
| 4363 continue; | |
| 4364 if (buf_write_bytes(&write_info) == FAIL) | |
| 4365 { | |
| 4366 end = 0; /* write error: break loop */ | |
| 4367 break; | |
| 4368 } | |
| 4369 nchars += bufsize; | |
| 4370 s = buffer; | |
| 4371 len = 0; | |
| 1947 | 4372 #ifdef FEAT_MBYTE |
| 4373 write_info.bw_start_lnum = lnum; | |
| 4374 #endif | |
| 7 | 4375 } |
| 4376 /* write failed or last line has no EOL: stop here */ | |
| 4377 if (end == 0 | |
| 4378 || (lnum == end | |
| 4379 && write_bin | |
| 4380 && (lnum == write_no_eol_lnum | |
| 4381 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) | |
| 4382 { | |
| 4383 ++lnum; /* written the line, count it */ | |
| 4384 no_eol = TRUE; | |
| 4385 break; | |
| 4386 } | |
| 4387 if (fileformat == EOL_UNIX) | |
| 4388 *s++ = NL; | |
| 4389 else | |
| 4390 { | |
| 4391 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4392 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4393 { | |
| 4394 if (++len == bufsize) | |
| 4395 { | |
| 4396 if (buf_write_bytes(&write_info) == FAIL) | |
| 4397 { | |
| 4398 end = 0; /* write error: break loop */ | |
| 4399 break; | |
| 4400 } | |
| 4401 nchars += bufsize; | |
| 4402 s = buffer; | |
| 4403 len = 0; | |
| 4404 } | |
| 4405 *s++ = NL; | |
| 4406 } | |
| 4407 } | |
| 4408 if (++len == bufsize && end) | |
| 4409 { | |
| 4410 if (buf_write_bytes(&write_info) == FAIL) | |
| 4411 { | |
| 4412 end = 0; /* write error: break loop */ | |
| 4413 break; | |
| 4414 } | |
| 4415 nchars += bufsize; | |
| 4416 s = buffer; | |
| 4417 len = 0; | |
| 4418 | |
| 4419 ui_breakcheck(); | |
| 4420 if (got_int) | |
| 4421 { | |
| 4422 end = 0; /* Interrupted, break loop */ | |
| 4423 break; | |
| 4424 } | |
| 4425 } | |
| 4426 #ifdef VMS | |
| 4427 /* | |
| 4428 * On VMS there is a problem: newlines get added when writing blocks | |
| 4429 * at a time. Fix it by writing a line at a time. | |
| 4430 * This is much slower! | |
| 22 | 4431 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4432 * structures end with a newline (carriage return) character, and if | |
| 4433 * they don't it adds one. | |
| 4434 * With other RMS structures it works perfect without this fix. | |
| 7 | 4435 */ |
| 1431 | 4436 if (buf->b_fab_rfm == FAB$C_VFC |
| 4437 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4438 { |
| 4439 int b2write; | |
| 4440 | |
| 4441 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4442 ? MIN(4096, bufsize) | |
| 4443 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4444 | |
| 4445 b2write = len; | |
| 4446 while (b2write > 0) | |
| 7 | 4447 { |
| 22 | 4448 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4449 if (buf_write_bytes(&write_info) == FAIL) | |
| 4450 { | |
| 4451 end = 0; | |
| 4452 break; | |
| 4453 } | |
| 4454 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4455 } |
| 4456 write_info.bw_len = bufsize; | |
| 4457 nchars += len; | |
| 4458 s = buffer; | |
| 4459 len = 0; | |
| 4460 } | |
| 4461 #endif | |
| 4462 } | |
| 4463 if (len > 0 && end > 0) | |
| 4464 { | |
| 4465 write_info.bw_len = len; | |
| 4466 if (buf_write_bytes(&write_info) == FAIL) | |
| 4467 end = 0; /* write error */ | |
| 4468 nchars += len; | |
| 4469 } | |
| 4470 | |
| 4471 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4472 /* On many journalling file systems there is a bug that causes both the | |
| 4473 * original and the backup file to be lost when halting the system right | |
| 4474 * after writing the file. That's because only the meta-data is | |
| 4475 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4476 * been written to disk and we don't lose it. |
| 4477 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4478 * (could be a pipe). |
| 4479 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4480 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4481 { |
| 4482 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4483 end = 0; | |
| 4484 } | |
| 4485 #endif | |
| 4486 | |
| 1583 | 4487 #ifdef HAVE_SELINUX |
| 4488 /* Probably need to set the security context. */ | |
| 4489 if (!backup_copy) | |
| 4490 mch_copy_sec(backup, wfname); | |
| 4491 #endif | |
| 4492 | |
| 557 | 4493 #ifdef UNIX |
| 4494 /* When creating a new file, set its owner/group to that of the original | |
| 4495 * file. Get the new device and inode number. */ | |
| 4496 if (backup != NULL && !backup_copy) | |
| 4497 { | |
| 4498 # ifdef HAVE_FCHOWN | |
| 4499 struct stat st; | |
| 4500 | |
| 4501 /* don't change the owner when it's already OK, some systems remove | |
| 4502 * permission or ACL stuff */ | |
| 4503 if (mch_stat((char *)wfname, &st) < 0 | |
| 4504 || st.st_uid != st_old.st_uid | |
| 4505 || st.st_gid != st_old.st_gid) | |
| 4506 { | |
| 1757 | 4507 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4508 if (perm >= 0) /* set permission again, may have changed */ |
| 4509 (void)mch_setperm(wfname, perm); | |
| 4510 } | |
| 4511 # endif | |
| 4512 buf_setino(buf); | |
| 4513 } | |
| 1873 | 4514 else if (!buf->b_dev_valid) |
| 617 | 4515 /* Set the inode when creating a new file. */ |
| 4516 buf_setino(buf); | |
| 557 | 4517 #endif |
| 4518 | |
| 7 | 4519 if (close(fd) != 0) |
| 4520 { | |
| 4521 errmsg = (char_u *)_("E512: Close failed"); | |
| 4522 end = 0; | |
| 4523 } | |
| 4524 | |
| 4525 #ifdef UNIX | |
| 4526 if (made_writable) | |
| 4527 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4528 #endif | |
| 4529 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4530 (void)mch_setperm(wfname, perm); | |
| 4531 #ifdef RISCOS | |
| 4532 if (!append && !filtering) | |
| 4533 /* Set the filetype after writing the file. */ | |
| 4534 mch_set_filetype(wfname, buf->b_p_oft); | |
| 4535 #endif | |
| 4536 #ifdef HAVE_ACL | |
| 4537 /* Probably need to set the ACL before changing the user (can't set the | |
| 4538 * ACL on a file the user doesn't own). */ | |
| 4539 if (!backup_copy) | |
| 4540 mch_set_acl(wfname, acl); | |
| 4541 #endif | |
| 4542 | |
| 4543 | |
| 4544 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4545 if (wfname != fname) | |
| 4546 { | |
| 4547 /* | |
| 4548 * The file was written to a temp file, now it needs to be converted | |
| 4549 * with 'charconvert' to (overwrite) the output file. | |
| 4550 */ | |
| 4551 if (end != 0) | |
| 4552 { | |
| 4553 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4554 wfname, fname) == FAIL) | |
| 4555 { | |
| 4556 write_info.bw_conv_error = TRUE; | |
| 4557 end = 0; | |
| 4558 } | |
| 4559 } | |
| 4560 mch_remove(wfname); | |
| 4561 vim_free(wfname); | |
| 4562 } | |
| 4563 #endif | |
| 4564 | |
| 4565 if (end == 0) | |
| 4566 { | |
| 4567 if (errmsg == NULL) | |
| 4568 { | |
| 4569 #ifdef FEAT_MBYTE | |
| 4570 if (write_info.bw_conv_error) | |
| 1947 | 4571 { |
| 4572 if (write_info.bw_conv_error_lnum == 0) | |
| 4573 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4574 else | |
| 4575 { | |
| 4576 errmsg_allocated = TRUE; | |
| 4577 errmsg = alloc(300); | |
| 4578 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4579 (long)write_info.bw_conv_error_lnum); | |
| 4580 } | |
| 4581 } | |
| 7 | 4582 else |
| 4583 #endif | |
| 4584 if (got_int) | |
| 4585 errmsg = (char_u *)_(e_interr); | |
| 4586 else | |
| 4587 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4588 } | |
| 4589 | |
| 4590 /* | |
| 4591 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4592 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4593 * original file when trying to make a backup when writing the file a |
| 4594 * second time. | |
| 4595 * When "backup_copy" is set we need to copy the backup over the new | |
| 4596 * file. Otherwise rename the backup file. | |
| 4597 * If this is OK, don't give the extra warning message. | |
| 4598 */ | |
| 4599 if (backup != NULL) | |
| 4600 { | |
| 4601 if (backup_copy) | |
| 4602 { | |
| 4603 /* This may take a while, if we were interrupted let the user | |
| 4604 * know we got the message. */ | |
| 4605 if (got_int) | |
| 4606 { | |
| 4607 MSG(_(e_interr)); | |
| 4608 out_flush(); | |
| 4609 } | |
| 4610 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4611 { | |
| 4612 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4613 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4614 perm & 0777)) >= 0) | |
| 7 | 4615 { |
| 4616 /* copy the file. */ | |
| 4617 write_info.bw_buf = smallbuf; | |
| 4618 #ifdef HAS_BW_FLAGS | |
| 4619 write_info.bw_flags = FIO_NOCONVERT; | |
| 4620 #endif | |
| 4621 while ((write_info.bw_len = vim_read(fd, smallbuf, | |
| 4622 SMBUFSIZE)) > 0) | |
| 4623 if (buf_write_bytes(&write_info) == FAIL) | |
| 4624 break; | |
| 4625 | |
| 4626 if (close(write_info.bw_fd) >= 0 | |
| 4627 && write_info.bw_len == 0) | |
| 4628 end = 1; /* success */ | |
| 4629 } | |
| 4630 close(fd); /* ignore errors for closing read file */ | |
| 4631 } | |
| 4632 } | |
| 4633 else | |
| 4634 { | |
| 4635 if (vim_rename(backup, fname) == 0) | |
| 4636 end = 1; | |
| 4637 } | |
| 4638 } | |
| 4639 goto fail; | |
| 4640 } | |
| 4641 | |
| 4642 lnum -= start; /* compute number of written lines */ | |
| 4643 --no_wait_return; /* may wait for return now */ | |
| 4644 | |
| 4645 #if !(defined(UNIX) || defined(VMS)) | |
| 4646 fname = sfname; /* use shortname now, for the messages */ | |
| 4647 #endif | |
| 4648 if (!filtering) | |
| 4649 { | |
| 4650 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4651 c = FALSE; | |
| 4652 #ifdef FEAT_MBYTE | |
| 4653 if (write_info.bw_conv_error) | |
| 4654 { | |
| 4655 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4656 c = TRUE; | |
| 1947 | 4657 if (write_info.bw_conv_error_lnum != 0) |
| 4658 { | |
| 1957 | 4659 size_t l = STRLEN(IObuff); |
| 1947 | 4660 vim_snprintf((char *)IObuff + l, IOSIZE - l, _(" in line %ld;"), |
| 4661 (long)write_info.bw_conv_error_lnum); | |
| 4662 } | |
| 7 | 4663 } |
| 4664 else if (notconverted) | |
| 4665 { | |
| 4666 STRCAT(IObuff, _("[NOT converted]")); | |
| 4667 c = TRUE; | |
| 4668 } | |
| 4669 else if (converted) | |
| 4670 { | |
| 4671 STRCAT(IObuff, _("[converted]")); | |
| 4672 c = TRUE; | |
| 4673 } | |
| 4674 #endif | |
| 4675 if (device) | |
| 4676 { | |
| 4677 STRCAT(IObuff, _("[Device]")); | |
| 4678 c = TRUE; | |
| 4679 } | |
| 4680 else if (newfile) | |
| 4681 { | |
| 4682 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4683 c = TRUE; | |
| 4684 } | |
| 4685 if (no_eol) | |
| 4686 { | |
| 4687 msg_add_eol(); | |
| 4688 c = TRUE; | |
| 4689 } | |
| 4690 /* may add [unix/dos/mac] */ | |
| 4691 if (msg_add_fileformat(fileformat)) | |
| 4692 c = TRUE; | |
| 4693 #ifdef FEAT_CRYPT | |
| 4694 if (wb_flags & FIO_ENCRYPTED) | |
| 4695 { | |
| 4696 STRCAT(IObuff, _("[crypted]")); | |
| 4697 c = TRUE; | |
| 4698 } | |
| 4699 #endif | |
| 4700 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4701 if (!shortmess(SHM_WRITE)) | |
| 4702 { | |
| 4703 if (append) | |
| 4704 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4705 else | |
| 4706 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4707 } | |
| 4708 | |
| 679 | 4709 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4710 } |
| 4711 | |
| 39 | 4712 /* When written everything correctly: reset 'modified'. Unless not |
| 4713 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4714 if (reset_changed && whole && !append |
| 7 | 4715 #ifdef FEAT_MBYTE |
| 4716 && !write_info.bw_conv_error | |
| 4717 #endif | |
| 39 | 4718 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4719 ) | |
| 7 | 4720 { |
| 4721 unchanged(buf, TRUE); | |
| 4722 u_unchanged(buf); | |
| 4723 } | |
| 4724 | |
| 4725 /* | |
| 4726 * If written to the current file, update the timestamp of the swap file | |
| 4727 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4728 */ | |
| 4729 if (overwriting) | |
| 4730 { | |
| 4731 ml_timestamp(buf); | |
| 589 | 4732 if (append) |
| 4733 buf->b_flags &= ~BF_NEW; | |
| 4734 else | |
| 4735 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4736 } |
| 4737 | |
| 4738 /* | |
| 4739 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4740 * the backup file our 'original' file. | |
| 4741 */ | |
| 4742 if (*p_pm && dobackup) | |
| 4743 { | |
| 4744 char *org = (char *)buf_modname( | |
| 4745 #ifdef SHORT_FNAME | |
| 4746 TRUE, | |
| 4747 #else | |
| 4748 (buf->b_p_sn || buf->b_shortname), | |
| 4749 #endif | |
| 4750 fname, p_pm, FALSE); | |
| 4751 | |
| 4752 if (backup != NULL) | |
| 4753 { | |
| 4754 struct stat st; | |
| 4755 | |
| 4756 /* | |
| 4757 * If the original file does not exist yet | |
| 4758 * the current backup file becomes the original file | |
| 4759 */ | |
| 4760 if (org == NULL) | |
| 4761 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4762 else if (mch_stat(org, &st) < 0) | |
| 4763 { | |
| 4764 vim_rename(backup, (char_u *)org); | |
| 4765 vim_free(backup); /* don't delete the file */ | |
| 4766 backup = NULL; | |
| 4767 #ifdef UNIX | |
| 4768 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4769 #endif | |
| 4770 } | |
| 4771 } | |
| 4772 /* | |
| 4773 * If there is no backup file, remember that a (new) file was | |
| 4774 * created. | |
| 4775 */ | |
| 4776 else | |
| 4777 { | |
| 4778 int empty_fd; | |
| 4779 | |
| 4780 if (org == NULL | |
| 557 | 4781 || (empty_fd = mch_open(org, |
| 4782 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4783 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4784 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4785 else | |
| 4786 close(empty_fd); | |
| 4787 } | |
| 4788 if (org != NULL) | |
| 4789 { | |
| 4790 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4791 vim_free(org); | |
| 4792 } | |
| 4793 } | |
| 4794 | |
| 4795 /* | |
| 4796 * Remove the backup unless 'backup' option is set | |
| 4797 */ | |
| 4798 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 4799 EMSG(_("E207: Can't delete backup file")); | |
| 4800 | |
| 4801 #ifdef FEAT_SUN_WORKSHOP | |
| 4802 if (usingSunWorkShop) | |
| 4803 workshop_file_saved((char *) ffname); | |
| 4804 #endif | |
| 4805 | |
| 4806 goto nofail; | |
| 4807 | |
| 4808 /* | |
| 4809 * Finish up. We get here either after failure or success. | |
| 4810 */ | |
| 4811 fail: | |
| 4812 --no_wait_return; /* may wait for return now */ | |
| 4813 nofail: | |
| 4814 | |
| 4815 /* Done saving, we accept changed buffer warnings again */ | |
| 4816 buf->b_saving = FALSE; | |
| 4817 | |
| 4818 vim_free(backup); | |
| 4819 if (buffer != smallbuf) | |
| 4820 vim_free(buffer); | |
| 4821 #ifdef FEAT_MBYTE | |
| 4822 vim_free(fenc_tofree); | |
| 4823 vim_free(write_info.bw_conv_buf); | |
| 4824 # ifdef USE_ICONV | |
| 4825 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4826 { | |
| 4827 iconv_close(write_info.bw_iconv_fd); | |
| 4828 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 4829 } | |
| 4830 # endif | |
| 4831 #endif | |
| 4832 #ifdef HAVE_ACL | |
| 4833 mch_free_acl(acl); | |
| 4834 #endif | |
| 4835 | |
| 4836 if (errmsg != NULL) | |
| 4837 { | |
| 835 | 4838 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 4839 |
| 4840 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 4841 msg_add_fname(buf, | |
| 4842 #ifndef UNIX | |
| 4843 sfname | |
| 4844 #else | |
| 4845 fname | |
| 4846 #endif | |
| 4847 ); /* put file name in IObuff with quotes */ | |
| 4848 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 4849 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 4850 /* If the error message has the form "is ...", put the error number in | |
| 4851 * front of the file name. */ | |
| 4852 if (errnum != NULL) | |
| 4853 { | |
| 1620 | 4854 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 4855 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 4856 } | |
| 4857 STRCAT(IObuff, errmsg); | |
| 4858 emsg(IObuff); | |
| 1947 | 4859 if (errmsg_allocated) |
| 4860 vim_free(errmsg); | |
| 7 | 4861 |
| 4862 retval = FAIL; | |
| 4863 if (end == 0) | |
| 4864 { | |
| 4865 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 4866 attr | MSG_HIST); | |
| 4867 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 4868 attr | MSG_HIST); | |
| 4869 | |
| 4870 /* Update the timestamp to avoid an "overwrite changed file" | |
| 4871 * prompt when writing again. */ | |
| 4872 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 4873 { | |
| 4874 buf_store_time(buf, &st_old, fname); | |
| 4875 buf->b_mtime_read = buf->b_mtime; | |
| 4876 } | |
| 4877 } | |
| 4878 } | |
| 4879 msg_scroll = msg_save; | |
| 4880 | |
| 4881 #ifdef FEAT_AUTOCMD | |
| 4882 #ifdef FEAT_EVAL | |
| 4883 if (!should_abort(retval)) | |
| 4884 #else | |
| 4885 if (!got_int) | |
| 4886 #endif | |
| 4887 { | |
| 4888 aco_save_T aco; | |
| 4889 | |
| 4890 write_no_eol_lnum = 0; /* in case it was set by the previous read */ | |
| 4891 | |
| 4892 /* | |
| 4893 * Apply POST autocommands. | |
| 4894 * Careful: The autocommands may call buf_write() recursively! | |
| 4895 */ | |
| 4896 aucmd_prepbuf(&aco, buf); | |
| 4897 | |
| 4898 if (append) | |
| 4899 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 4900 FALSE, curbuf, eap); | |
| 4901 else if (filtering) | |
| 4902 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 4903 FALSE, curbuf, eap); | |
| 4904 else if (reset_changed && whole) | |
| 4905 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 4906 FALSE, curbuf, eap); | |
| 4907 else | |
| 4908 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 4909 FALSE, curbuf, eap); | |
| 4910 | |
| 4911 /* restore curwin/curbuf and a few other things */ | |
| 4912 aucmd_restbuf(&aco); | |
| 4913 | |
| 4914 #ifdef FEAT_EVAL | |
| 4915 if (aborting()) /* autocmds may abort script processing */ | |
| 4916 retval = FALSE; | |
| 4917 #endif | |
| 4918 } | |
| 4919 #endif | |
| 4920 | |
| 4921 got_int |= prev_got_int; | |
| 4922 | |
| 4923 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4924 /* Update machine specific information. */ | |
| 4925 mch_post_buffer_write(buf); | |
| 4926 #endif | |
| 4927 return retval; | |
| 4928 } | |
| 4929 | |
| 4930 /* | |
| 633 | 4931 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 4932 * name and a ":r" or ":w" command with a file name is used. | |
| 4933 */ | |
| 4934 static int | |
| 4935 set_rw_fname(fname, sfname) | |
| 4936 char_u *fname; | |
| 4937 char_u *sfname; | |
| 4938 { | |
| 4939 #ifdef FEAT_AUTOCMD | |
| 1905 | 4940 buf_T *buf = curbuf; |
| 4941 | |
| 633 | 4942 /* It's like the unnamed buffer is deleted.... */ |
| 4943 if (curbuf->b_p_bl) | |
| 4944 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 4945 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 4946 # ifdef FEAT_EVAL | |
| 4947 if (aborting()) /* autocmds may abort script processing */ | |
| 4948 return FAIL; | |
| 4949 # endif | |
| 1905 | 4950 if (curbuf != buf) |
| 4951 { | |
| 4952 /* We are in another buffer now, don't do the renaming. */ | |
| 4953 EMSG(_(e_auchangedbuf)); | |
| 4954 return FAIL; | |
| 4955 } | |
| 633 | 4956 #endif |
| 4957 | |
| 4958 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 4959 curbuf->b_flags |= BF_NOTEDITED; | |
| 4960 | |
| 4961 #ifdef FEAT_AUTOCMD | |
| 4962 /* ....and a new named one is created */ | |
| 4963 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 4964 if (curbuf->b_p_bl) | |
| 4965 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 4966 # ifdef FEAT_EVAL | |
| 4967 if (aborting()) /* autocmds may abort script processing */ | |
| 4968 return FAIL; | |
| 4969 # endif | |
| 4970 | |
| 4971 /* Do filetype detection now if 'filetype' is empty. */ | |
| 4972 if (*curbuf->b_p_ft == NUL) | |
| 4973 { | |
| 819 | 4974 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 4975 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 4976 do_modelines(0); |
| 633 | 4977 } |
| 4978 #endif | |
| 4979 | |
| 4980 return OK; | |
| 4981 } | |
| 4982 | |
| 4983 /* | |
| 7 | 4984 * Put file name into IObuff with quotes. |
| 4985 */ | |
| 33 | 4986 void |
| 7 | 4987 msg_add_fname(buf, fname) |
| 4988 buf_T *buf; | |
| 4989 char_u *fname; | |
| 4990 { | |
| 4991 if (fname == NULL) | |
| 4992 fname = (char_u *)"-stdin-"; | |
| 4993 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 4994 IObuff[0] = '"'; | |
| 4995 STRCAT(IObuff, "\" "); | |
| 4996 } | |
| 4997 | |
| 4998 /* | |
| 4999 * Append message for text mode to IObuff. | |
| 5000 * Return TRUE if something appended. | |
| 5001 */ | |
| 5002 static int | |
| 5003 msg_add_fileformat(eol_type) | |
| 5004 int eol_type; | |
| 5005 { | |
| 5006 #ifndef USE_CRNL | |
| 5007 if (eol_type == EOL_DOS) | |
| 5008 { | |
| 5009 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 5010 return TRUE; | |
| 5011 } | |
| 5012 #endif | |
| 5013 #ifndef USE_CR | |
| 5014 if (eol_type == EOL_MAC) | |
| 5015 { | |
| 5016 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 5017 return TRUE; | |
| 5018 } | |
| 5019 #endif | |
| 5020 #if defined(USE_CRNL) || defined(USE_CR) | |
| 5021 if (eol_type == EOL_UNIX) | |
| 5022 { | |
| 5023 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 5024 return TRUE; | |
| 5025 } | |
| 5026 #endif | |
| 5027 return FALSE; | |
| 5028 } | |
| 5029 | |
| 5030 /* | |
| 5031 * Append line and character count to IObuff. | |
| 5032 */ | |
| 33 | 5033 void |
| 7 | 5034 msg_add_lines(insert_space, lnum, nchars) |
| 5035 int insert_space; | |
| 5036 long lnum; | |
| 5037 long nchars; | |
| 5038 { | |
| 5039 char_u *p; | |
| 5040 | |
| 5041 p = IObuff + STRLEN(IObuff); | |
| 5042 | |
| 5043 if (insert_space) | |
| 5044 *p++ = ' '; | |
| 5045 if (shortmess(SHM_LINES)) | |
| 5046 sprintf((char *)p, "%ldL, %ldC", lnum, nchars); | |
| 5047 else | |
| 5048 { | |
| 5049 if (lnum == 1) | |
| 5050 STRCPY(p, _("1 line, ")); | |
| 5051 else | |
| 5052 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 5053 p += STRLEN(p); | |
| 5054 if (nchars == 1) | |
| 5055 STRCPY(p, _("1 character")); | |
| 5056 else | |
| 5057 sprintf((char *)p, _("%ld characters"), nchars); | |
| 5058 } | |
| 5059 } | |
| 5060 | |
| 5061 /* | |
| 5062 * Append message for missing line separator to IObuff. | |
| 5063 */ | |
| 5064 static void | |
| 5065 msg_add_eol() | |
| 5066 { | |
| 5067 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5068 } | |
| 5069 | |
| 5070 /* | |
| 5071 * Check modification time of file, before writing to it. | |
| 5072 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5073 * using the same timestamp but can't set the size. | |
| 5074 */ | |
| 5075 static int | |
| 5076 check_mtime(buf, st) | |
| 5077 buf_T *buf; | |
| 5078 struct stat *st; | |
| 5079 { | |
| 5080 if (buf->b_mtime_read != 0 | |
| 5081 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5082 { | |
| 5083 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5084 msg_silent = 0; /* must give this prompt */ | |
| 5085 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5086 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5087 hl_attr(HLF_E)); | |
| 5088 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5089 TRUE) == 'n') | |
| 5090 return FAIL; | |
| 5091 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5092 } | |
| 5093 return OK; | |
| 5094 } | |
| 5095 | |
| 5096 static int | |
| 5097 time_differs(t1, t2) | |
| 5098 long t1, t2; | |
| 5099 { | |
| 5100 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5101 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5102 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5103 * time may change unexpectedly by one second!!! */ | |
| 5104 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5105 #else | |
| 5106 return (t1 != t2); | |
| 5107 #endif | |
| 5108 } | |
| 5109 | |
| 5110 /* | |
| 5111 * Call write() to write a number of bytes to the file. | |
| 5112 * Also handles encryption and 'encoding' conversion. | |
| 5113 * | |
| 5114 * Return FAIL for failure, OK otherwise. | |
| 5115 */ | |
| 5116 static int | |
| 5117 buf_write_bytes(ip) | |
| 5118 struct bw_info *ip; | |
| 5119 { | |
| 5120 int wlen; | |
| 5121 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5122 int len = ip->bw_len; /* length of data */ | |
| 5123 #ifdef HAS_BW_FLAGS | |
| 5124 int flags = ip->bw_flags; /* extra flags */ | |
| 5125 #endif | |
| 5126 | |
| 5127 #ifdef FEAT_MBYTE | |
| 5128 /* | |
| 5129 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5130 */ | |
| 5131 if (!(flags & FIO_NOCONVERT)) | |
| 5132 { | |
| 5133 char_u *p; | |
| 5134 unsigned c; | |
| 5135 int n; | |
| 5136 | |
| 5137 if (flags & FIO_UTF8) | |
| 5138 { | |
| 5139 /* | |
| 5140 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5141 */ | |
| 5142 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5143 for (wlen = 0; wlen < len; ++wlen) | |
| 5144 p += utf_char2bytes(buf[wlen], p); | |
| 5145 buf = ip->bw_conv_buf; | |
| 5146 len = (int)(p - ip->bw_conv_buf); | |
| 5147 } | |
| 5148 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5149 { | |
| 5150 /* | |
| 5151 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5152 * Latin1 chars in the file. | |
| 5153 */ | |
| 5154 if (flags & FIO_LATIN1) | |
| 5155 p = buf; /* translate in-place (can only get shorter) */ | |
| 5156 else | |
| 5157 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5158 for (wlen = 0; wlen < len; wlen += n) | |
| 5159 { | |
| 5160 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5161 { | |
| 5162 int l; | |
| 5163 | |
| 5164 /* Use remainder of previous call. Append the start of | |
| 5165 * buf[] to get a full sequence. Might still be too | |
| 5166 * short! */ | |
| 5167 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5168 if (l > len) | |
| 5169 l = len; | |
| 5170 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5171 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5172 if (n > ip->bw_restlen + len) |
| 5173 { | |
| 5174 /* We have an incomplete byte sequence at the end to | |
| 5175 * be written. We can't convert it without the | |
| 5176 * remaining bytes. Keep them for the next call. */ | |
| 5177 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5178 return FAIL; | |
| 5179 ip->bw_restlen += len; | |
| 5180 break; | |
| 5181 } | |
| 5182 if (n > 1) | |
| 5183 c = utf_ptr2char(ip->bw_rest); | |
| 5184 else | |
| 5185 c = ip->bw_rest[0]; | |
| 5186 if (n >= ip->bw_restlen) | |
| 5187 { | |
| 5188 n -= ip->bw_restlen; | |
| 5189 ip->bw_restlen = 0; | |
| 5190 } | |
| 5191 else | |
| 5192 { | |
| 5193 ip->bw_restlen -= n; | |
| 5194 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5195 (size_t)ip->bw_restlen); | |
| 5196 n = 0; | |
| 5197 } | |
| 5198 } | |
| 5199 else | |
| 5200 { | |
| 474 | 5201 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5202 if (n > len - wlen) |
| 5203 { | |
| 5204 /* We have an incomplete byte sequence at the end to | |
| 5205 * be written. We can't convert it without the | |
| 5206 * remaining bytes. Keep them for the next call. */ | |
| 5207 if (len - wlen > CONV_RESTLEN) | |
| 5208 return FAIL; | |
| 5209 ip->bw_restlen = len - wlen; | |
| 5210 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5211 (size_t)ip->bw_restlen); | |
| 5212 break; | |
| 5213 } | |
| 5214 if (n > 1) | |
| 5215 c = utf_ptr2char(buf + wlen); | |
| 5216 else | |
| 5217 c = buf[wlen]; | |
| 5218 } | |
| 5219 | |
| 1947 | 5220 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5221 { | |
| 5222 ip->bw_conv_error = TRUE; | |
| 5223 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5224 } | |
| 5225 if (c == NL) | |
| 5226 ++ip->bw_start_lnum; | |
| 7 | 5227 } |
| 5228 if (flags & FIO_LATIN1) | |
| 5229 len = (int)(p - buf); | |
| 5230 else | |
| 5231 { | |
| 5232 buf = ip->bw_conv_buf; | |
| 5233 len = (int)(p - ip->bw_conv_buf); | |
| 5234 } | |
| 5235 } | |
| 5236 | |
| 5237 # ifdef WIN3264 | |
| 5238 else if (flags & FIO_CODEPAGE) | |
| 5239 { | |
| 5240 /* | |
| 5241 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5242 * codepage. | |
| 5243 */ | |
| 5244 char_u *from; | |
| 5245 size_t fromlen; | |
| 5246 char_u *to; | |
| 5247 int u8c; | |
| 5248 BOOL bad = FALSE; | |
| 5249 int needed; | |
| 5250 | |
| 5251 if (ip->bw_restlen > 0) | |
| 5252 { | |
| 5253 /* Need to concatenate the remainder of the previous call and | |
| 5254 * the bytes of the current call. Use the end of the | |
| 5255 * conversion buffer for this. */ | |
| 5256 fromlen = len + ip->bw_restlen; | |
| 5257 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5258 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5259 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5260 } | |
| 5261 else | |
| 5262 { | |
| 5263 from = buf; | |
| 5264 fromlen = len; | |
| 5265 } | |
| 5266 | |
| 5267 to = ip->bw_conv_buf; | |
| 5268 if (enc_utf8) | |
| 5269 { | |
| 5270 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5271 * The buffer has been allocated to be big enough. */ | |
| 5272 while (fromlen > 0) | |
| 5273 { | |
| 835 | 5274 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5275 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5276 break; | |
| 5277 u8c = utf_ptr2char(from); | |
| 5278 *to++ = (u8c & 0xff); | |
| 5279 *to++ = (u8c >> 8); | |
| 5280 fromlen -= n; | |
| 5281 from += n; | |
| 5282 } | |
| 5283 | |
| 5284 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5285 * call. */ | |
| 5286 if (fromlen > CONV_RESTLEN) | |
| 5287 { | |
| 5288 /* weird overlong sequence */ | |
| 5289 ip->bw_conv_error = TRUE; | |
| 5290 return FAIL; | |
| 5291 } | |
| 5292 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5293 ip->bw_restlen = (int)fromlen; |
| 7 | 5294 } |
| 5295 else | |
| 5296 { | |
| 5297 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5298 * buffer. The buffer has been allocated to be big enough. */ | |
| 5299 ip->bw_restlen = 0; | |
| 5300 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5301 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5302 NULL, 0); |
| 5303 if (needed == 0) | |
| 5304 { | |
| 5305 /* When conversion fails there may be a trailing byte. */ | |
| 5306 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5307 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5308 NULL, 0); |
| 5309 if (needed == 0) | |
| 5310 { | |
| 5311 /* Conversion doesn't work. */ | |
| 5312 ip->bw_conv_error = TRUE; | |
| 5313 return FAIL; | |
| 5314 } | |
| 5315 /* Save the trailing byte for the next call. */ | |
| 5316 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5317 ip->bw_restlen = 1; | |
| 5318 } | |
| 5319 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5320 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5321 (LPWSTR)to, needed); |
| 5322 if (needed == 0) | |
| 5323 { | |
| 5324 /* Safety check: Conversion doesn't work. */ | |
| 5325 ip->bw_conv_error = TRUE; | |
| 5326 return FAIL; | |
| 5327 } | |
| 5328 to += needed * 2; | |
| 5329 } | |
| 5330 | |
| 5331 fromlen = to - ip->bw_conv_buf; | |
| 5332 buf = to; | |
| 5333 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5334 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5335 { | |
| 5336 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5337 * conversion buffer. Fails when out of space. */ | |
| 5338 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5339 { | |
| 5340 u8c = *from++; | |
| 5341 u8c += (*from++ << 8); | |
| 5342 to += utf_char2bytes(u8c, to); | |
| 5343 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5344 { | |
| 5345 ip->bw_conv_error = TRUE; | |
| 5346 return FAIL; | |
| 5347 } | |
| 5348 } | |
| 835 | 5349 len = (int)(to - buf); |
| 7 | 5350 } |
| 5351 else | |
| 5352 #endif | |
| 5353 { | |
| 5354 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5355 * the conversion buffer. If the conversion uses the default | |
| 5356 * character "0", the data doesn't fit in this encoding, so | |
| 5357 * fail. */ | |
| 5358 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5359 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5360 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5361 &bad); | |
| 7 | 5362 if (bad) |
| 5363 { | |
| 5364 ip->bw_conv_error = TRUE; | |
| 5365 return FAIL; | |
| 5366 } | |
| 5367 } | |
| 5368 } | |
| 5369 # endif | |
| 5370 | |
| 765 | 5371 # ifdef MACOS_CONVERT |
| 7 | 5372 else if (flags & FIO_MACROMAN) |
| 5373 { | |
| 5374 /* | |
| 5375 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5376 */ | |
| 5377 char_u *from; | |
| 5378 size_t fromlen; | |
| 5379 | |
| 5380 if (ip->bw_restlen > 0) | |
| 5381 { | |
| 5382 /* Need to concatenate the remainder of the previous call and | |
| 5383 * the bytes of the current call. Use the end of the | |
| 5384 * conversion buffer for this. */ | |
| 5385 fromlen = len + ip->bw_restlen; | |
| 5386 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5387 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5388 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5389 } | |
| 5390 else | |
| 5391 { | |
| 5392 from = buf; | |
| 5393 fromlen = len; | |
| 5394 } | |
| 5395 | |
| 18 | 5396 if (enc2macroman(from, fromlen, |
| 5397 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5398 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5399 { |
| 5400 ip->bw_conv_error = TRUE; | |
| 5401 return FAIL; | |
| 5402 } | |
| 5403 buf = ip->bw_conv_buf; | |
| 5404 } | |
| 5405 # endif | |
| 5406 | |
| 5407 # ifdef USE_ICONV | |
| 5408 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5409 { | |
| 5410 const char *from; | |
| 5411 size_t fromlen; | |
| 5412 char *to; | |
| 5413 size_t tolen; | |
| 5414 | |
| 5415 /* Convert with iconv(). */ | |
| 5416 if (ip->bw_restlen > 0) | |
| 5417 { | |
| 1836 | 5418 char *fp; |
| 5419 | |
| 7 | 5420 /* Need to concatenate the remainder of the previous call and |
| 5421 * the bytes of the current call. Use the end of the | |
| 5422 * conversion buffer for this. */ | |
| 5423 fromlen = len + ip->bw_restlen; | |
| 1836 | 5424 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5425 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5426 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5427 from = fp; | |
| 7 | 5428 tolen = ip->bw_conv_buflen - fromlen; |
| 5429 } | |
| 5430 else | |
| 5431 { | |
| 5432 from = (const char *)buf; | |
| 5433 fromlen = len; | |
| 5434 tolen = ip->bw_conv_buflen; | |
| 5435 } | |
| 5436 to = (char *)ip->bw_conv_buf; | |
| 5437 | |
| 5438 if (ip->bw_first) | |
| 5439 { | |
| 5440 size_t save_len = tolen; | |
| 5441 | |
| 5442 /* output the initial shift state sequence */ | |
| 5443 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5444 | |
| 5445 /* There is a bug in iconv() on Linux (which appears to be | |
| 5446 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5447 */ | |
| 5448 if (to == NULL) | |
| 5449 { | |
| 5450 to = (char *)ip->bw_conv_buf; | |
| 5451 tolen = save_len; | |
| 5452 } | |
| 5453 ip->bw_first = FALSE; | |
| 5454 } | |
| 5455 | |
| 5456 /* | |
| 5457 * If iconv() has an error or there is not enough room, fail. | |
| 5458 */ | |
| 5459 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5460 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5461 || fromlen > CONV_RESTLEN) | |
| 5462 { | |
| 5463 ip->bw_conv_error = TRUE; | |
| 5464 return FAIL; | |
| 5465 } | |
| 5466 | |
| 5467 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5468 if (fromlen > 0) | |
| 5469 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5470 ip->bw_restlen = (int)fromlen; | |
| 5471 | |
| 5472 buf = ip->bw_conv_buf; | |
| 5473 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5474 } | |
| 5475 # endif | |
| 5476 } | |
| 5477 #endif /* FEAT_MBYTE */ | |
| 5478 | |
| 5479 #ifdef FEAT_CRYPT | |
| 5480 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 5481 { | |
| 5482 int ztemp, t, i; | |
| 5483 | |
| 5484 for (i = 0; i < len; i++) | |
| 5485 { | |
| 5486 ztemp = buf[i]; | |
| 5487 buf[i] = ZENCODE(ztemp, t); | |
| 5488 } | |
| 5489 } | |
| 5490 #endif | |
| 5491 | |
| 5492 /* Repeat the write(), it may be interrupted by a signal. */ | |
| 1142 | 5493 while (len > 0) |
| 7 | 5494 { |
| 5495 wlen = vim_write(ip->bw_fd, buf, len); | |
| 5496 if (wlen <= 0) /* error! */ | |
| 5497 return FAIL; | |
| 5498 len -= wlen; | |
| 5499 buf += wlen; | |
| 5500 } | |
| 5501 return OK; | |
| 5502 } | |
| 5503 | |
| 5504 #ifdef FEAT_MBYTE | |
| 5505 /* | |
| 5506 * Convert a Unicode character to bytes. | |
| 1947 | 5507 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5508 */ |
| 5509 static int | |
| 5510 ucs2bytes(c, pp, flags) | |
| 5511 unsigned c; /* in: character */ | |
| 5512 char_u **pp; /* in/out: pointer to result */ | |
| 5513 int flags; /* FIO_ flags */ | |
| 5514 { | |
| 5515 char_u *p = *pp; | |
| 5516 int error = FALSE; | |
| 5517 int cc; | |
| 5518 | |
| 5519 | |
| 5520 if (flags & FIO_UCS4) | |
| 5521 { | |
| 5522 if (flags & FIO_ENDIAN_L) | |
| 5523 { | |
| 5524 *p++ = c; | |
| 5525 *p++ = (c >> 8); | |
| 5526 *p++ = (c >> 16); | |
| 5527 *p++ = (c >> 24); | |
| 5528 } | |
| 5529 else | |
| 5530 { | |
| 5531 *p++ = (c >> 24); | |
| 5532 *p++ = (c >> 16); | |
| 5533 *p++ = (c >> 8); | |
| 5534 *p++ = c; | |
| 5535 } | |
| 5536 } | |
| 5537 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5538 { | |
| 5539 if (c >= 0x10000) | |
| 5540 { | |
| 5541 if (flags & FIO_UTF16) | |
| 5542 { | |
| 5543 /* Make two words, ten bits of the character in each. First | |
| 5544 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5545 c -= 0x10000; | |
| 5546 if (c >= 0x100000) | |
| 5547 error = TRUE; | |
| 5548 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5549 if (flags & FIO_ENDIAN_L) | |
| 5550 { | |
| 5551 *p++ = cc; | |
| 5552 *p++ = ((unsigned)cc >> 8); | |
| 5553 } | |
| 5554 else | |
| 5555 { | |
| 5556 *p++ = ((unsigned)cc >> 8); | |
| 5557 *p++ = cc; | |
| 5558 } | |
| 5559 c = (c & 0x3ff) + 0xdc00; | |
| 5560 } | |
| 5561 else | |
| 5562 error = TRUE; | |
| 5563 } | |
| 5564 if (flags & FIO_ENDIAN_L) | |
| 5565 { | |
| 5566 *p++ = c; | |
| 5567 *p++ = (c >> 8); | |
| 5568 } | |
| 5569 else | |
| 5570 { | |
| 5571 *p++ = (c >> 8); | |
| 5572 *p++ = c; | |
| 5573 } | |
| 5574 } | |
| 5575 else /* Latin1 */ | |
| 5576 { | |
| 5577 if (c >= 0x100) | |
| 5578 { | |
| 5579 error = TRUE; | |
| 5580 *p++ = 0xBF; | |
| 5581 } | |
| 5582 else | |
| 5583 *p++ = c; | |
| 5584 } | |
| 5585 | |
| 5586 *pp = p; | |
| 5587 return error; | |
| 5588 } | |
| 5589 | |
| 5590 /* | |
| 1948 | 5591 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5592 * 'encoding'. | |
| 7 | 5593 */ |
| 5594 static int | |
| 1948 | 5595 need_conversion(fenc) |
| 5596 char_u *fenc; | |
| 7 | 5597 { |
| 1948 | 5598 int same_encoding; |
| 5599 int enc_flags; | |
| 5600 int fenc_flags; | |
| 5601 | |
| 5602 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
| 5603 same_encoding = TRUE; | |
| 5604 else | |
| 5605 { | |
| 5606 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5607 * "ucs-4be", etc. */ | |
| 5608 enc_flags = get_fio_flags(p_enc); | |
| 5609 fenc_flags = get_fio_flags(fenc); | |
| 5610 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5611 } | |
| 5612 if (same_encoding) | |
| 5613 { | |
| 5614 /* Specified encoding matches with 'encoding'. This requires | |
| 5615 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5616 return enc_unicode != 0; | |
| 5617 } | |
| 5618 | |
| 5619 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5620 * Unicode encoding and the file is UTF-8. */ | |
| 5621 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5622 } |
| 5623 | |
| 5624 /* | |
| 5625 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5626 * internal conversion. | |
| 5627 * if "ptr" is an empty string, use 'encoding'. | |
| 5628 */ | |
| 5629 static int | |
| 5630 get_fio_flags(ptr) | |
| 5631 char_u *ptr; | |
| 5632 { | |
| 5633 int prop; | |
| 5634 | |
| 5635 if (*ptr == NUL) | |
| 5636 ptr = p_enc; | |
| 5637 | |
| 5638 prop = enc_canon_props(ptr); | |
| 5639 if (prop & ENC_UNICODE) | |
| 5640 { | |
| 5641 if (prop & ENC_2BYTE) | |
| 5642 { | |
| 5643 if (prop & ENC_ENDIAN_L) | |
| 5644 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5645 return FIO_UCS2; | |
| 5646 } | |
| 5647 if (prop & ENC_4BYTE) | |
| 5648 { | |
| 5649 if (prop & ENC_ENDIAN_L) | |
| 5650 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5651 return FIO_UCS4; | |
| 5652 } | |
| 5653 if (prop & ENC_2WORD) | |
| 5654 { | |
| 5655 if (prop & ENC_ENDIAN_L) | |
| 5656 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5657 return FIO_UTF16; | |
| 5658 } | |
| 5659 return FIO_UTF8; | |
| 5660 } | |
| 5661 if (prop & ENC_LATIN1) | |
| 5662 return FIO_LATIN1; | |
| 5663 /* must be ENC_DBCS, requires iconv() */ | |
| 5664 return 0; | |
| 5665 } | |
| 5666 | |
| 5667 #ifdef WIN3264 | |
| 5668 /* | |
| 5669 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5670 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5671 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5672 */ | |
| 5673 static int | |
| 5674 get_win_fio_flags(ptr) | |
| 5675 char_u *ptr; | |
| 5676 { | |
| 5677 int cp; | |
| 5678 | |
| 5679 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5680 if (!enc_utf8 && enc_codepage <= 0) | |
| 5681 return 0; | |
| 5682 | |
| 5683 cp = encname2codepage(ptr); | |
| 5684 if (cp == 0) | |
| 5685 { | |
| 5686 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5687 if (STRCMP(ptr, "utf-8") == 0) | |
| 5688 cp = CP_UTF8; | |
| 5689 else | |
| 5690 # endif | |
| 5691 return 0; | |
| 5692 } | |
| 5693 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5694 } | |
| 5695 #endif | |
| 5696 | |
| 5697 #ifdef MACOS_X | |
| 5698 /* | |
| 5699 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5700 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5701 */ | |
| 5702 static int | |
| 5703 get_mac_fio_flags(ptr) | |
| 5704 char_u *ptr; | |
| 5705 { | |
| 5706 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5707 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5708 return FIO_MACROMAN; | |
| 5709 return 0; | |
| 5710 } | |
| 5711 #endif | |
| 5712 | |
| 5713 /* | |
| 5714 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5715 * "size" must be at least 2. | |
| 5716 * Return the name of the encoding and set "*lenp" to the length. | |
| 5717 * Returns NULL when no BOM found. | |
| 5718 */ | |
| 5719 static char_u * | |
| 5720 check_for_bom(p, size, lenp, flags) | |
| 5721 char_u *p; | |
| 5722 long size; | |
| 5723 int *lenp; | |
| 5724 int flags; | |
| 5725 { | |
| 5726 char *name = NULL; | |
| 5727 int len = 2; | |
| 5728 | |
| 5729 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5730 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5731 { |
| 5732 name = "utf-8"; /* EF BB BF */ | |
| 5733 len = 3; | |
| 5734 } | |
| 5735 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5736 { | |
| 5737 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5738 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5739 { | |
| 5740 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5741 len = 4; | |
| 5742 } | |
| 1735 | 5743 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5744 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5745 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5746 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5747 name = "utf-16le"; /* FF FE */ |
| 5748 } | |
| 5749 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5750 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5751 { | |
| 1547 | 5752 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5753 if (flags == FIO_UCS2) | |
| 5754 name = "ucs-2"; /* FE FF */ | |
| 5755 else | |
| 7 | 5756 name = "utf-16"; /* FE FF */ |
| 5757 } | |
| 5758 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5759 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5760 { | |
| 5761 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5762 len = 4; | |
| 5763 } | |
| 5764 | |
| 5765 *lenp = len; | |
| 5766 return (char_u *)name; | |
| 5767 } | |
| 5768 | |
| 5769 /* | |
| 5770 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5771 * Return the length of the BOM (zero when no BOM). | |
| 5772 */ | |
| 5773 static int | |
| 5774 make_bom(buf, name) | |
| 5775 char_u *buf; | |
| 5776 char_u *name; | |
| 5777 { | |
| 5778 int flags; | |
| 5779 char_u *p; | |
| 5780 | |
| 5781 flags = get_fio_flags(name); | |
| 5782 | |
| 5783 /* Can't put a BOM in a non-Unicode file. */ | |
| 5784 if (flags == FIO_LATIN1 || flags == 0) | |
| 5785 return 0; | |
| 5786 | |
| 5787 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 5788 { | |
| 5789 buf[0] = 0xef; | |
| 5790 buf[1] = 0xbb; | |
| 5791 buf[2] = 0xbf; | |
| 5792 return 3; | |
| 5793 } | |
| 5794 p = buf; | |
| 5795 (void)ucs2bytes(0xfeff, &p, flags); | |
| 5796 return (int)(p - buf); | |
| 5797 } | |
| 5798 #endif | |
| 5799 | |
| 1418 | 5800 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 5801 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 5802 /* |
| 5803 * Try to find a shortname by comparing the fullname with the current | |
| 5804 * directory. | |
| 1411 | 5805 * Returns "full_path" or pointer into "full_path" if shortened. |
| 5806 */ | |
| 5807 char_u * | |
| 5808 shorten_fname1(full_path) | |
| 5809 char_u *full_path; | |
| 5810 { | |
| 5811 char_u dirname[MAXPATHL]; | |
| 5812 char_u *p = full_path; | |
| 5813 | |
| 5814 if (mch_dirname(dirname, MAXPATHL) == OK) | |
| 5815 { | |
| 5816 p = shorten_fname(full_path, dirname); | |
| 5817 if (p == NULL || *p == NUL) | |
| 5818 p = full_path; | |
| 5819 } | |
| 5820 return p; | |
| 5821 } | |
| 1418 | 5822 #endif |
| 1411 | 5823 |
| 5824 /* | |
| 5825 * Try to find a shortname by comparing the fullname with the current | |
| 5826 * directory. | |
| 7 | 5827 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 5828 * otherwise. | |
| 5829 */ | |
| 5830 char_u * | |
| 5831 shorten_fname(full_path, dir_name) | |
| 5832 char_u *full_path; | |
| 5833 char_u *dir_name; | |
| 5834 { | |
| 5835 int len; | |
| 5836 char_u *p; | |
| 5837 | |
| 5838 if (full_path == NULL) | |
| 5839 return NULL; | |
| 5840 len = (int)STRLEN(dir_name); | |
| 5841 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 5842 { | |
| 5843 p = full_path + len; | |
| 5844 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5845 /* | |
| 5846 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 5847 * slash, since C: by itself does not define a specific dir. In this | |
| 5848 * case p may already be correct. <negri> | |
| 5849 */ | |
| 5850 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 5851 #endif | |
| 5852 { | |
| 5853 if (vim_ispathsep(*p)) | |
| 5854 ++p; | |
| 5855 #ifndef VMS /* the path separator is always part of the path */ | |
| 5856 else | |
| 5857 p = NULL; | |
| 5858 #endif | |
| 5859 } | |
| 5860 } | |
| 5861 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5862 /* | |
| 5863 * When using a file in the current drive, remove the drive name: | |
| 5864 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 5865 * a floppy from "A:\dir" to "B:\dir". | |
| 5866 */ | |
| 5867 else if (len > 3 | |
| 5868 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 5869 && full_path[1] == ':' | |
| 5870 && vim_ispathsep(full_path[2])) | |
| 5871 p = full_path + 2; | |
| 5872 #endif | |
| 5873 else | |
| 5874 p = NULL; | |
| 5875 return p; | |
| 5876 } | |
| 5877 | |
| 5878 /* | |
| 5879 * Shorten filenames for all buffers. | |
| 5880 * When "force" is TRUE: Use full path from now on for files currently being | |
| 5881 * edited, both for file name and swap file name. Try to shorten the file | |
| 5882 * names a bit, if safe to do so. | |
| 5883 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 5884 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 5885 * name. | |
| 5886 */ | |
| 5887 void | |
| 5888 shorten_fnames(force) | |
| 5889 int force; | |
| 5890 { | |
| 5891 char_u dirname[MAXPATHL]; | |
| 5892 buf_T *buf; | |
| 5893 char_u *p; | |
| 5894 | |
| 5895 mch_dirname(dirname, MAXPATHL); | |
| 5896 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 5897 { | |
| 5898 if (buf->b_fname != NULL | |
| 5899 #ifdef FEAT_QUICKFIX | |
| 5900 && !bt_nofile(buf) | |
| 5901 #endif | |
| 5902 && !path_with_url(buf->b_fname) | |
| 5903 && (force | |
| 5904 || buf->b_sfname == NULL | |
| 5905 || mch_isFullName(buf->b_sfname))) | |
| 5906 { | |
| 5907 vim_free(buf->b_sfname); | |
| 5908 buf->b_sfname = NULL; | |
| 5909 p = shorten_fname(buf->b_ffname, dirname); | |
| 5910 if (p != NULL) | |
| 5911 { | |
| 5912 buf->b_sfname = vim_strsave(p); | |
| 5913 buf->b_fname = buf->b_sfname; | |
| 5914 } | |
| 5915 if (p == NULL || buf->b_fname == NULL) | |
| 5916 buf->b_fname = buf->b_ffname; | |
| 9 | 5917 } |
| 5918 | |
| 5919 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 5920 * also have a swap file. */ | |
| 5921 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 5922 } |
| 5923 #ifdef FEAT_WINDOWS | |
| 5924 status_redraw_all(); | |
| 672 | 5925 redraw_tabline = TRUE; |
| 7 | 5926 #endif |
| 5927 } | |
| 5928 | |
| 5929 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 5930 || defined(FEAT_GUI_MSWIN) \ | |
| 5931 || defined(FEAT_GUI_MAC) \ | |
| 5932 || defined(PROTO) | |
| 5933 /* | |
| 5934 * Shorten all filenames in "fnames[count]" by current directory. | |
| 5935 */ | |
| 5936 void | |
| 5937 shorten_filenames(fnames, count) | |
| 5938 char_u **fnames; | |
| 5939 int count; | |
| 5940 { | |
| 5941 int i; | |
| 5942 char_u dirname[MAXPATHL]; | |
| 5943 char_u *p; | |
| 5944 | |
| 5945 if (fnames == NULL || count < 1) | |
| 5946 return; | |
| 5947 mch_dirname(dirname, sizeof(dirname)); | |
| 5948 for (i = 0; i < count; ++i) | |
| 5949 { | |
| 5950 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 5951 { | |
| 5952 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 5953 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 5954 * "p" first then free fnames[i]. */ | |
| 5955 p = vim_strsave(p); | |
| 5956 vim_free(fnames[i]); | |
| 5957 fnames[i] = p; | |
| 5958 } | |
| 5959 } | |
| 5960 } | |
| 5961 #endif | |
| 5962 | |
| 5963 /* | |
| 1651 | 5964 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 5965 * fo_o_h.ext for MSDOS or when shortname option set. |
| 5966 * | |
| 5967 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 5968 * the return value is a different name and ends in 'ext'. | |
| 5969 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 5970 * characters otherwise. | |
| 5971 * Space for the returned name is allocated, must be freed later. | |
| 5972 * Returns NULL when out of memory. | |
| 5973 */ | |
| 5974 char_u * | |
| 5975 modname(fname, ext, prepend_dot) | |
| 5976 char_u *fname, *ext; | |
| 5977 int prepend_dot; /* may prepend a '.' to file name */ | |
| 5978 { | |
| 5979 return buf_modname( | |
| 5980 #ifdef SHORT_FNAME | |
| 5981 TRUE, | |
| 5982 #else | |
| 5983 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 5984 #endif | |
| 5985 fname, ext, prepend_dot); | |
| 5986 } | |
| 5987 | |
| 5988 char_u * | |
| 5989 buf_modname(shortname, fname, ext, prepend_dot) | |
| 5990 int shortname; /* use 8.3 file name */ | |
| 5991 char_u *fname, *ext; | |
| 5992 int prepend_dot; /* may prepend a '.' to file name */ | |
| 5993 { | |
| 5994 char_u *retval; | |
| 5995 char_u *s; | |
| 5996 char_u *e; | |
| 5997 char_u *ptr; | |
| 5998 int fnamelen, extlen; | |
| 5999 | |
| 6000 extlen = (int)STRLEN(ext); | |
| 6001 | |
| 6002 /* | |
| 6003 * If there is no file name we must get the name of the current directory | |
| 6004 * (we need the full path in case :cd is used). | |
| 6005 */ | |
| 6006 if (fname == NULL || *fname == NUL) | |
| 6007 { | |
| 6008 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 6009 if (retval == NULL) | |
| 6010 return NULL; | |
| 6011 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 6012 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 6013 { | |
| 6014 vim_free(retval); | |
| 6015 return NULL; | |
| 6016 } | |
| 39 | 6017 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 6018 { |
| 6019 retval[fnamelen++] = PATHSEP; | |
| 6020 retval[fnamelen] = NUL; | |
| 6021 } | |
| 6022 #ifndef SHORT_FNAME | |
| 6023 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 6024 #endif | |
| 6025 } | |
| 6026 else | |
| 6027 { | |
| 6028 fnamelen = (int)STRLEN(fname); | |
| 6029 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 6030 if (retval == NULL) | |
| 6031 return NULL; | |
| 6032 STRCPY(retval, fname); | |
| 6033 #ifdef VMS | |
| 6034 vms_remove_version(retval); /* we do not need versions here */ | |
| 6035 #endif | |
| 6036 } | |
| 6037 | |
| 6038 /* | |
| 6039 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 6040 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 6041 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 6042 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 6043 */ | |
| 391 | 6044 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 6045 { |
| 6046 #ifndef RISCOS | |
| 6047 if (*ext == '.' | |
| 391 | 6048 # ifdef USE_LONG_FNAME |
| 7 | 6049 && (!USE_LONG_FNAME || shortname) |
| 391 | 6050 # else |
| 6051 # ifndef SHORT_FNAME | |
| 7 | 6052 && shortname |
| 391 | 6053 # endif |
| 7 | 6054 # endif |
| 6055 ) | |
| 6056 if (*ptr == '.') /* replace '.' by '_' */ | |
| 6057 *ptr = '_'; | |
| 391 | 6058 #endif |
| 7 | 6059 if (vim_ispathsep(*ptr)) |
| 391 | 6060 { |
| 6061 ++ptr; | |
| 7 | 6062 break; |
| 391 | 6063 } |
| 6064 } | |
| 7 | 6065 |
| 6066 /* the file name has at most BASENAMELEN characters. */ | |
| 6067 #ifndef SHORT_FNAME | |
| 6068 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6069 ptr[BASENAMELEN] = '\0'; | |
| 6070 #endif | |
| 6071 | |
| 6072 s = ptr + STRLEN(ptr); | |
| 6073 | |
| 6074 /* | |
| 6075 * For 8.3 file names we may have to reduce the length. | |
| 6076 */ | |
| 6077 #ifdef USE_LONG_FNAME | |
| 6078 if (!USE_LONG_FNAME || shortname) | |
| 6079 #else | |
| 6080 # ifndef SHORT_FNAME | |
| 6081 if (shortname) | |
| 6082 # endif | |
| 6083 #endif | |
| 6084 { | |
| 6085 /* | |
| 6086 * If there is no file name, or the file name ends in '/', and the | |
| 6087 * extension starts with '.', put a '_' before the dot, because just | |
| 6088 * ".ext" is invalid. | |
| 6089 */ | |
| 6090 if (fname == NULL || *fname == NUL | |
| 6091 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6092 { | |
| 6093 #ifdef RISCOS | |
| 6094 if (*ext == '/') | |
| 6095 #else | |
| 6096 if (*ext == '.') | |
| 6097 #endif | |
| 6098 *s++ = '_'; | |
| 6099 } | |
| 6100 /* | |
| 6101 * If the extension starts with '.', truncate the base name at 8 | |
| 6102 * characters | |
| 6103 */ | |
| 6104 #ifdef RISCOS | |
| 6105 /* We normally use '/', but swap files are '_' */ | |
| 6106 else if (*ext == '/' || *ext == '_') | |
| 6107 #else | |
| 6108 else if (*ext == '.') | |
| 6109 #endif | |
| 6110 { | |
| 1877 | 6111 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6112 { |
| 6113 s = ptr + 8; | |
| 6114 *s = '\0'; | |
| 6115 } | |
| 6116 } | |
| 6117 /* | |
| 6118 * If the extension doesn't start with '.', and the file name | |
| 6119 * doesn't have an extension yet, append a '.' | |
| 6120 */ | |
| 6121 #ifdef RISCOS | |
| 6122 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
| 6123 *s++ = '/'; | |
| 6124 #else | |
| 6125 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6126 *s++ = '.'; | |
| 6127 #endif | |
| 6128 /* | |
| 6129 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6130 * extension, it may need to be truncated |
| 7 | 6131 */ |
| 6132 else if ((int)STRLEN(e) + extlen > 4) | |
| 6133 s = e + 4 - extlen; | |
| 6134 } | |
| 6135 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6136 /* | |
| 6137 * If there is no file name, and the extension starts with '.', put a | |
| 6138 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6139 * FAT partition, and on HPFS it doesn't matter. | |
| 6140 */ | |
| 6141 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6142 *s++ = '_'; | |
| 6143 #endif | |
| 6144 | |
| 6145 /* | |
| 1651 | 6146 * Append the extension. |
| 7 | 6147 * ext can start with '.' and cannot exceed 3 more characters. |
| 6148 */ | |
| 6149 STRCPY(s, ext); | |
| 6150 | |
| 6151 #ifndef SHORT_FNAME | |
| 6152 /* | |
| 6153 * Prepend the dot. | |
| 6154 */ | |
| 6155 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
| 6156 #ifdef RISCOS | |
| 6157 '/' | |
| 6158 #else | |
| 6159 '.' | |
| 6160 #endif | |
| 6161 #ifdef USE_LONG_FNAME | |
| 6162 && USE_LONG_FNAME | |
| 6163 #endif | |
| 6164 ) | |
| 6165 { | |
| 1620 | 6166 STRMOVE(e + 1, e); |
| 7 | 6167 #ifdef RISCOS |
| 6168 *e = '/'; | |
| 6169 #else | |
| 6170 *e = '.'; | |
| 6171 #endif | |
| 6172 } | |
| 6173 #endif | |
| 6174 | |
| 6175 /* | |
| 6176 * Check that, after appending the extension, the file name is really | |
| 6177 * different. | |
| 6178 */ | |
| 6179 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6180 { | |
| 6181 /* we search for a character that can be replaced by '_' */ | |
| 6182 while (--s >= ptr) | |
| 6183 { | |
| 6184 if (*s != '_') | |
| 6185 { | |
| 6186 *s = '_'; | |
| 6187 break; | |
| 6188 } | |
| 6189 } | |
| 6190 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6191 *ptr = 'v'; | |
| 6192 } | |
| 6193 return retval; | |
| 6194 } | |
| 6195 | |
| 6196 /* | |
| 6197 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6198 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6199 */ | |
| 6200 int | |
| 6201 vim_fgets(buf, size, fp) | |
| 6202 char_u *buf; | |
| 6203 int size; | |
| 6204 FILE *fp; | |
| 6205 { | |
| 6206 char *eof; | |
| 6207 #define FGETS_SIZE 200 | |
| 6208 char tbuf[FGETS_SIZE]; | |
| 6209 | |
| 6210 buf[size - 2] = NUL; | |
| 6211 #ifdef USE_CR | |
| 6212 eof = fgets_cr((char *)buf, size, fp); | |
| 6213 #else | |
| 6214 eof = fgets((char *)buf, size, fp); | |
| 6215 #endif | |
| 6216 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6217 { | |
| 6218 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6219 | |
| 6220 /* Now throw away the rest of the line: */ | |
| 6221 do | |
| 6222 { | |
| 6223 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6224 #ifdef USE_CR | |
| 1757 | 6225 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6226 #else |
| 1757 | 6227 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6228 #endif |
| 6229 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6230 } | |
| 6231 return (eof == NULL); | |
| 6232 } | |
| 6233 | |
| 6234 #if defined(USE_CR) || defined(PROTO) | |
| 6235 /* | |
| 6236 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6237 * Returns TRUE for end-of-file. | |
| 6238 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6239 */ | |
| 6240 int | |
| 6241 tag_fgets(buf, size, fp) | |
| 6242 char_u *buf; | |
| 6243 int size; | |
| 6244 FILE *fp; | |
| 6245 { | |
| 6246 int i = 0; | |
| 6247 int c; | |
| 6248 int eof = FALSE; | |
| 6249 | |
| 6250 for (;;) | |
| 6251 { | |
| 6252 c = fgetc(fp); | |
| 6253 if (c == EOF) | |
| 6254 { | |
| 6255 eof = TRUE; | |
| 6256 break; | |
| 6257 } | |
| 6258 if (c == '\r') | |
| 6259 { | |
| 6260 /* Always store a NL for end-of-line. */ | |
| 6261 if (i < size - 1) | |
| 6262 buf[i++] = '\n'; | |
| 6263 c = fgetc(fp); | |
| 6264 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6265 ungetc(c, fp); | |
| 6266 break; | |
| 6267 } | |
| 6268 if (i < size - 1) | |
| 6269 buf[i++] = c; | |
| 6270 if (c == '\n') | |
| 6271 break; | |
| 6272 } | |
| 6273 buf[i] = NUL; | |
| 6274 return eof; | |
| 6275 } | |
| 6276 #endif | |
| 6277 | |
| 6278 /* | |
| 6279 * rename() only works if both files are on the same file system, this | |
| 6280 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6281 * Return -1 for failure, 0 for success. | |
| 6282 */ | |
| 6283 int | |
| 6284 vim_rename(from, to) | |
| 6285 char_u *from; | |
| 6286 char_u *to; | |
| 6287 { | |
| 6288 int fd_in; | |
| 6289 int fd_out; | |
| 6290 int n; | |
| 6291 char *errmsg = NULL; | |
| 6292 char *buffer; | |
| 6293 #ifdef AMIGA | |
| 6294 BPTR flock; | |
| 6295 #endif | |
| 6296 struct stat st; | |
| 194 | 6297 long perm; |
| 199 | 6298 #ifdef HAVE_ACL |
| 6299 vim_acl_T acl; /* ACL from original file */ | |
| 6300 #endif | |
| 1779 | 6301 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
| 6302 int use_tmp_file = FALSE; | |
| 6303 #endif | |
| 7 | 6304 |
| 6305 /* | |
| 1779 | 6306 * When the names are identical, there is nothing to do. When they refer |
| 6307 * to the same file (ignoring case and slash/backslash differences) but | |
| 6308 * the file name differs we need to go through a temp file. | |
| 7 | 6309 */ |
| 6310 if (fnamecmp(from, to) == 0) | |
| 1779 | 6311 { |
| 6312 #ifdef CASE_INSENSITIVE_FILENAME | |
| 6313 if (STRCMP(gettail(from), gettail(to)) != 0) | |
| 6314 use_tmp_file = TRUE; | |
| 6315 else | |
| 6316 #endif | |
| 6317 return 0; | |
| 6318 } | |
| 7 | 6319 |
| 6320 /* | |
| 6321 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6322 */ | |
| 6323 if (mch_stat((char *)from, &st) < 0) | |
| 6324 return -1; | |
| 6325 | |
| 1778 | 6326 #ifdef UNIX |
| 6327 { | |
| 6328 struct stat st_to; | |
| 6329 | |
| 6330 /* It's possible for the source and destination to be the same file. | |
| 6331 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6332 * filesystem. In that case go through a temp file name. */ | |
| 6333 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6334 && st.st_dev == st_to.st_dev | |
| 6335 && st.st_ino == st_to.st_ino) | |
| 1779 | 6336 use_tmp_file = TRUE; |
| 6337 } | |
| 6338 #endif | |
| 6339 | |
| 6340 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
| 6341 if (use_tmp_file) | |
| 6342 { | |
| 6343 char tempname[MAXPATHL + 1]; | |
| 6344 | |
| 6345 /* | |
| 6346 * Find a name that doesn't exist and is in the same directory. | |
| 6347 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6348 */ | |
| 6349 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6350 return -1; | |
| 6351 STRCPY(tempname, from); | |
| 6352 for (n = 123; n < 99999; ++n) | |
| 6353 { | |
| 6354 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6355 if (mch_stat(tempname, &st) < 0) | |
| 6356 { | |
| 6357 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6358 { |
| 1779 | 6359 if (mch_rename(tempname, (char *)to) == 0) |
| 6360 return 0; | |
| 6361 /* Strange, the second step failed. Try moving the | |
| 6362 * file back and return failure. */ | |
| 6363 mch_rename(tempname, (char *)from); | |
| 1778 | 6364 return -1; |
| 6365 } | |
| 1779 | 6366 /* If it fails for one temp name it will most likely fail |
| 6367 * for any temp name, give up. */ | |
| 6368 return -1; | |
| 6369 } | |
| 6370 } | |
| 6371 return -1; | |
| 1778 | 6372 } |
| 6373 #endif | |
| 6374 | |
| 7 | 6375 /* |
| 6376 * Delete the "to" file, this is required on some systems to make the | |
| 6377 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6378 * two files when the mch_rename() fails. | |
| 6379 */ | |
| 6380 | |
| 6381 #ifdef AMIGA | |
| 6382 /* | |
| 6383 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6384 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6385 * though the names are different. To avoid the chance of accidentally |
| 7 | 6386 * deleting the "from" file (horror!) we lock it during the remove. |
| 6387 * | |
| 6388 * When used for making a backup before writing the file: This should not | |
| 6389 * happen with ":w", because startscript() should detect this problem and | |
| 6390 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6391 * name. This problem does exist with ":w filename", but then the | |
| 6392 * original file will be somewhere else so the backup isn't really | |
| 6393 * important. If autoscripting is off the rename may fail. | |
| 6394 */ | |
| 6395 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6396 #endif | |
| 6397 mch_remove(to); | |
| 6398 #ifdef AMIGA | |
| 6399 if (flock) | |
| 6400 UnLock(flock); | |
| 6401 #endif | |
| 6402 | |
| 6403 /* | |
| 6404 * First try a normal rename, return if it works. | |
| 6405 */ | |
| 6406 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6407 return 0; | |
| 6408 | |
| 6409 /* | |
| 6410 * Rename() failed, try copying the file. | |
| 6411 */ | |
| 194 | 6412 perm = mch_getperm(from); |
| 199 | 6413 #ifdef HAVE_ACL |
| 6414 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6415 acl = mch_get_acl(from); | |
| 6416 #endif | |
| 7 | 6417 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6418 if (fd_in == -1) | |
| 1651 | 6419 { |
| 6420 #ifdef HAVE_ACL | |
| 6421 mch_free_acl(acl); | |
| 6422 #endif | |
| 7 | 6423 return -1; |
| 1651 | 6424 } |
| 194 | 6425 |
| 6426 /* Create the new file with same permissions as the original. */ | |
| 557 | 6427 fd_out = mch_open((char *)to, |
| 6428 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6429 if (fd_out == -1) |
| 6430 { | |
| 6431 close(fd_in); | |
| 1651 | 6432 #ifdef HAVE_ACL |
| 6433 mch_free_acl(acl); | |
| 6434 #endif | |
| 7 | 6435 return -1; |
| 6436 } | |
| 6437 | |
| 6438 buffer = (char *)alloc(BUFSIZE); | |
| 6439 if (buffer == NULL) | |
| 6440 { | |
| 1651 | 6441 close(fd_out); |
| 7 | 6442 close(fd_in); |
| 1651 | 6443 #ifdef HAVE_ACL |
| 6444 mch_free_acl(acl); | |
| 6445 #endif | |
| 7 | 6446 return -1; |
| 6447 } | |
| 6448 | |
| 6449 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0) | |
| 6450 if (vim_write(fd_out, buffer, n) != n) | |
| 6451 { | |
| 6452 errmsg = _("E208: Error writing to \"%s\""); | |
| 6453 break; | |
| 6454 } | |
| 6455 | |
| 6456 vim_free(buffer); | |
| 6457 close(fd_in); | |
| 6458 if (close(fd_out) < 0) | |
| 6459 errmsg = _("E209: Error closing \"%s\""); | |
| 6460 if (n < 0) | |
| 6461 { | |
| 6462 errmsg = _("E210: Error reading \"%s\""); | |
| 6463 to = from; | |
| 6464 } | |
| 1201 | 6465 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6466 mch_setperm(to, perm); |
| 570 | 6467 #endif |
| 199 | 6468 #ifdef HAVE_ACL |
| 6469 mch_set_acl(to, acl); | |
| 1651 | 6470 mch_free_acl(acl); |
| 199 | 6471 #endif |
| 7 | 6472 if (errmsg != NULL) |
| 6473 { | |
| 6474 EMSG2(errmsg, to); | |
| 6475 return -1; | |
| 6476 } | |
| 6477 mch_remove(from); | |
| 6478 return 0; | |
| 6479 } | |
| 6480 | |
| 6481 static int already_warned = FALSE; | |
| 6482 | |
| 6483 /* | |
| 6484 * Check if any not hidden buffer has been changed. | |
| 6485 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6486 * command is being executed, a mapping is being executed or an autocommand is | |
| 6487 * busy. | |
| 6488 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6489 * cursor positioned). | |
| 6490 */ | |
| 6491 int | |
| 6492 check_timestamps(focus) | |
| 6493 int focus; /* called for GUI focus event */ | |
| 6494 { | |
| 6495 buf_T *buf; | |
| 6496 int didit = 0; | |
| 6497 int n; | |
| 6498 | |
| 6499 /* Don't check timestamps while system() or another low-level function may | |
| 6500 * cause us to lose and gain focus. */ | |
| 6501 if (no_check_timestamps > 0) | |
| 6502 return FALSE; | |
| 6503 | |
| 6504 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6505 * event and we would keep on checking if the file is steadily growing. | |
| 6506 * Do check again after typing something. */ | |
| 6507 if (focus && did_check_timestamps) | |
| 6508 { | |
| 6509 need_check_timestamps = TRUE; | |
| 6510 return FALSE; | |
| 6511 } | |
| 6512 | |
| 6513 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6514 #ifdef FEAT_AUTOCMD | |
| 1834 | 6515 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6516 #endif |
| 6517 ) | |
| 6518 need_check_timestamps = TRUE; /* check later */ | |
| 6519 else | |
| 6520 { | |
| 6521 ++no_wait_return; | |
| 6522 did_check_timestamps = TRUE; | |
| 6523 already_warned = FALSE; | |
| 6524 for (buf = firstbuf; buf != NULL; ) | |
| 6525 { | |
| 6526 /* Only check buffers in a window. */ | |
| 6527 if (buf->b_nwindows > 0) | |
| 6528 { | |
| 6529 n = buf_check_timestamp(buf, focus); | |
| 6530 if (didit < n) | |
| 6531 didit = n; | |
| 6532 if (n > 0 && !buf_valid(buf)) | |
| 6533 { | |
| 6534 /* Autocommands have removed the buffer, start at the | |
| 6535 * first one again. */ | |
| 6536 buf = firstbuf; | |
| 6537 continue; | |
| 6538 } | |
| 6539 } | |
| 6540 buf = buf->b_next; | |
| 6541 } | |
| 6542 --no_wait_return; | |
| 6543 need_check_timestamps = FALSE; | |
| 6544 if (need_wait_return && didit == 2) | |
| 6545 { | |
| 6546 /* make sure msg isn't overwritten */ | |
| 6547 msg_puts((char_u *)"\n"); | |
| 6548 out_flush(); | |
| 6549 } | |
| 6550 } | |
| 6551 return didit; | |
| 6552 } | |
| 6553 | |
| 6554 /* | |
| 6555 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6556 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6557 * empty. | |
| 6558 */ | |
| 6559 static int | |
| 6560 move_lines(frombuf, tobuf) | |
| 6561 buf_T *frombuf; | |
| 6562 buf_T *tobuf; | |
| 6563 { | |
| 6564 buf_T *tbuf = curbuf; | |
| 6565 int retval = OK; | |
| 6566 linenr_T lnum; | |
| 6567 char_u *p; | |
| 6568 | |
| 6569 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6570 curbuf = tobuf; | |
| 6571 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6572 { | |
| 6573 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6574 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6575 { | |
| 6576 vim_free(p); | |
| 6577 retval = FAIL; | |
| 6578 break; | |
| 6579 } | |
| 6580 vim_free(p); | |
| 6581 } | |
| 6582 | |
| 6583 /* Delete all the lines in "frombuf". */ | |
| 6584 if (retval != FAIL) | |
| 6585 { | |
| 6586 curbuf = frombuf; | |
| 1055 | 6587 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6588 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6589 { |
| 6590 /* Oops! We could try putting back the saved lines, but that | |
| 6591 * might fail again... */ | |
| 6592 retval = FAIL; | |
| 6593 break; | |
| 6594 } | |
| 6595 } | |
| 6596 | |
| 6597 curbuf = tbuf; | |
| 6598 return retval; | |
| 6599 } | |
| 6600 | |
| 6601 /* | |
| 6602 * Check if buffer "buf" has been changed. | |
| 6603 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6604 * return 1 if a changed buffer was found. | |
| 6605 * return 2 if a message has been displayed. | |
| 6606 * return 0 otherwise. | |
| 6607 */ | |
| 6608 int | |
| 6609 buf_check_timestamp(buf, focus) | |
| 6610 buf_T *buf; | |
| 1877 | 6611 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6612 { |
| 6613 struct stat st; | |
| 6614 int stat_res; | |
| 6615 int retval = 0; | |
| 6616 char_u *path; | |
| 6617 char_u *tbuf; | |
| 6618 char *mesg = NULL; | |
| 188 | 6619 char *mesg2 = ""; |
| 7 | 6620 int helpmesg = FALSE; |
| 6621 int reload = FALSE; | |
| 6622 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6623 int can_reload = FALSE; | |
| 6624 #endif | |
| 6625 size_t orig_size = buf->b_orig_size; | |
| 6626 int orig_mode = buf->b_orig_mode; | |
| 6627 #ifdef FEAT_GUI | |
| 6628 int save_mouse_correct = need_mouse_correct; | |
| 6629 #endif | |
| 6630 #ifdef FEAT_AUTOCMD | |
| 6631 static int busy = FALSE; | |
| 179 | 6632 int n; |
| 6633 char_u *s; | |
| 6634 #endif | |
| 6635 char *reason; | |
| 7 | 6636 |
| 6637 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6638 * set, we are in the middle of a save or being called recursively: ignore | |
| 6639 * this buffer. */ | |
| 6640 if (buf->b_ffname == NULL | |
| 6641 || buf->b_ml.ml_mfp == NULL | |
| 6642 #if defined(FEAT_QUICKFIX) | |
| 6643 || *buf->b_p_bt != NUL | |
| 6644 #endif | |
| 6645 || buf->b_saving | |
| 6646 #ifdef FEAT_AUTOCMD | |
| 6647 || busy | |
| 6648 #endif | |
| 33 | 6649 #ifdef FEAT_NETBEANS_INTG |
| 6650 || isNetbeansBuffer(buf) | |
| 6651 #endif | |
| 7 | 6652 ) |
| 6653 return 0; | |
| 6654 | |
| 6655 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6656 && buf->b_mtime != 0 | |
| 6657 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6658 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6659 #ifdef HAVE_ST_MODE | |
| 6660 || (int)st.st_mode != buf->b_orig_mode | |
| 6661 #else | |
| 6662 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6663 #endif | |
| 6664 )) | |
| 6665 { | |
| 6666 retval = 1; | |
| 6667 | |
| 628 | 6668 /* set b_mtime to stop further warnings (e.g., when executing |
| 6669 * FileChangedShell autocmd) */ | |
| 7 | 6670 if (stat_res < 0) |
| 6671 { | |
| 6672 buf->b_mtime = 0; | |
| 6673 buf->b_orig_size = 0; | |
| 6674 buf->b_orig_mode = 0; | |
| 6675 } | |
| 6676 else | |
| 6677 buf_store_time(buf, &st, buf->b_ffname); | |
| 6678 | |
| 6679 /* Don't do anything for a directory. Might contain the file | |
| 6680 * explorer. */ | |
| 6681 if (mch_isdir(buf->b_fname)) | |
| 6682 ; | |
| 6683 | |
| 6684 /* | |
| 6685 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6686 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6687 * was set, the global option value otherwise. | |
| 6688 */ | |
| 6689 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6690 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6691 reload = TRUE; | |
| 6692 else | |
| 6693 { | |
| 179 | 6694 if (stat_res < 0) |
| 6695 reason = "deleted"; | |
| 6696 else if (bufIsChanged(buf)) | |
| 6697 reason = "conflict"; | |
| 6698 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6699 reason = "changed"; | |
| 6700 else if (orig_mode != buf->b_orig_mode) | |
| 6701 reason = "mode"; | |
| 6702 else | |
| 6703 reason = "time"; | |
| 6704 | |
| 7 | 6705 #ifdef FEAT_AUTOCMD |
| 6706 /* | |
| 6707 * Only give the warning if there are no FileChangedShell | |
| 6708 * autocommands. | |
| 6709 * Avoid being called recursively by setting "busy". | |
| 6710 */ | |
| 6711 busy = TRUE; | |
| 532 | 6712 # ifdef FEAT_EVAL |
| 179 | 6713 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6714 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6715 # endif |
| 1834 | 6716 ++allbuf_lock; |
| 7 | 6717 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6718 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6719 --allbuf_lock; |
| 7 | 6720 busy = FALSE; |
| 6721 if (n) | |
| 6722 { | |
| 6723 if (!buf_valid(buf)) | |
| 6724 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6725 # ifdef FEAT_EVAL |
| 179 | 6726 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6727 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6728 reload = TRUE; | |
| 6729 else if (STRCMP(s, "ask") == 0) | |
| 6730 n = FALSE; | |
| 6731 else | |
| 532 | 6732 # endif |
| 179 | 6733 return 2; |
| 7 | 6734 } |
| 179 | 6735 if (!n) |
| 7 | 6736 #endif |
| 6737 { | |
| 179 | 6738 if (*reason == 'd') |
| 6739 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6740 else |
| 6741 { | |
| 6742 helpmesg = TRUE; | |
| 6743 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6744 can_reload = TRUE; | |
| 6745 #endif | |
| 6746 /* | |
| 6747 * Check if the file contents really changed to avoid | |
| 6748 * giving a warning when only the timestamp was set (e.g., | |
| 6749 * checked out of CVS). Always warn when the buffer was | |
| 6750 * changed. | |
| 6751 */ | |
| 179 | 6752 if (reason[2] == 'n') |
| 6753 { | |
| 7 | 6754 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6755 mesg2 = _("See \":help W12\" for more info."); |
| 6756 } | |
| 6757 else if (reason[1] == 'h') | |
| 6758 { | |
| 7 | 6759 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6760 mesg2 = _("See \":help W11\" for more info."); |
| 6761 } | |
| 6762 else if (*reason == 'm') | |
| 6763 { | |
| 7 | 6764 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6765 mesg2 = _("See \":help W16\" for more info."); |
| 6766 } | |
| 1913 | 6767 else |
| 6768 /* Only timestamp changed, store it to avoid a warning | |
| 6769 * in check_mtime() later. */ | |
| 6770 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 6771 } |
| 6772 } | |
| 6773 } | |
| 6774 | |
| 6775 } | |
| 6776 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 6777 && vim_fexists(buf->b_ffname)) | |
| 6778 { | |
| 6779 retval = 1; | |
| 6780 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 6781 buf->b_flags |= BF_NEW_W; | |
| 6782 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6783 can_reload = TRUE; | |
| 6784 #endif | |
| 6785 } | |
| 6786 | |
| 6787 if (mesg != NULL) | |
| 6788 { | |
| 6789 path = home_replace_save(buf, buf->b_fname); | |
| 6790 if (path != NULL) | |
| 6791 { | |
| 179 | 6792 if (!helpmesg) |
| 7 | 6793 mesg2 = ""; |
| 6794 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 6795 + STRLEN(mesg2) + 2)); | |
| 6796 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 6797 #ifdef FEAT_EVAL |
| 6798 /* Set warningmsg here, before the unimportant and output-specific | |
| 6799 * mesg2 has been appended. */ | |
| 6800 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 6801 #endif | |
| 7 | 6802 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 6803 if (can_reload) | |
| 6804 { | |
| 6805 if (*mesg2 != NUL) | |
| 6806 { | |
| 6807 STRCAT(tbuf, "\n"); | |
| 6808 STRCAT(tbuf, mesg2); | |
| 6809 } | |
| 6810 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 6811 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2) | |
| 6812 reload = TRUE; | |
| 6813 } | |
| 6814 else | |
| 6815 #endif | |
| 6816 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 6817 { | |
| 6818 if (*mesg2 != NUL) | |
| 6819 { | |
| 6820 STRCAT(tbuf, "; "); | |
| 6821 STRCAT(tbuf, mesg2); | |
| 6822 } | |
| 6823 EMSG(tbuf); | |
| 6824 retval = 2; | |
| 6825 } | |
| 6826 else | |
| 6827 { | |
| 8 | 6828 # ifdef FEAT_AUTOCMD |
| 7 | 6829 if (!autocmd_busy) |
| 8 | 6830 # endif |
| 7 | 6831 { |
| 6832 msg_start(); | |
| 6833 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 6834 if (*mesg2 != NUL) | |
| 6835 msg_puts_attr((char_u *)mesg2, | |
| 6836 hl_attr(HLF_W) + MSG_HIST); | |
| 6837 msg_clr_eos(); | |
| 6838 (void)msg_end(); | |
| 6839 if (emsg_silent == 0) | |
| 6840 { | |
| 6841 out_flush(); | |
| 8 | 6842 # ifdef FEAT_GUI |
| 7 | 6843 if (!focus) |
| 8 | 6844 # endif |
| 7 | 6845 /* give the user some time to think about it */ |
| 6846 ui_delay(1000L, TRUE); | |
| 6847 | |
| 6848 /* don't redraw and erase the message */ | |
| 6849 redraw_cmdline = FALSE; | |
| 6850 } | |
| 6851 } | |
| 6852 already_warned = TRUE; | |
| 6853 } | |
| 6854 | |
| 6855 vim_free(path); | |
| 6856 vim_free(tbuf); | |
| 6857 } | |
| 6858 } | |
| 6859 | |
| 6860 if (reload) | |
| 311 | 6861 /* Reload the buffer. */ |
| 628 | 6862 buf_reload(buf, orig_mode); |
| 7 | 6863 |
| 765 | 6864 #ifdef FEAT_AUTOCMD |
| 1620 | 6865 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 6866 if (buf_valid(buf) && retval != 0) | |
| 765 | 6867 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 6868 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 6869 #endif | |
| 7 | 6870 #ifdef FEAT_GUI |
| 6871 /* restore this in case an autocommand has set it; it would break | |
| 6872 * 'mousefocus' */ | |
| 6873 need_mouse_correct = save_mouse_correct; | |
| 6874 #endif | |
| 6875 | |
| 6876 return retval; | |
| 6877 } | |
| 6878 | |
| 311 | 6879 /* |
| 6880 * Reload a buffer that is already loaded. | |
| 6881 * Used when the file was changed outside of Vim. | |
| 628 | 6882 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 6883 * buf->b_orig_mode may have been reset already. | |
| 311 | 6884 */ |
| 6885 void | |
| 628 | 6886 buf_reload(buf, orig_mode) |
| 311 | 6887 buf_T *buf; |
| 628 | 6888 int orig_mode; |
| 311 | 6889 { |
| 6890 exarg_T ea; | |
| 6891 pos_T old_cursor; | |
| 6892 linenr_T old_topline; | |
| 6893 int old_ro = buf->b_p_ro; | |
| 6894 buf_T *savebuf; | |
| 6895 int saved = OK; | |
| 6896 aco_save_T aco; | |
| 6897 | |
| 6898 /* set curwin/curbuf for "buf" and save some things */ | |
| 6899 aucmd_prepbuf(&aco, buf); | |
| 6900 | |
| 6901 /* We only want to read the text from the file, not reset the syntax | |
| 6902 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 6903 * and encoding to be the same. */ | |
| 6904 if (prep_exarg(&ea, buf) == OK) | |
| 6905 { | |
| 6906 old_cursor = curwin->w_cursor; | |
| 6907 old_topline = curwin->w_topline; | |
| 6908 | |
| 6909 /* | |
| 6910 * To behave like when a new file is edited (matters for | |
| 6911 * BufReadPost autocommands) we first need to delete the current | |
| 6912 * buffer contents. But if reading the file fails we should keep | |
| 6913 * the old contents. Can't use memory only, the file might be | |
| 6914 * too big. Use a hidden buffer to move the buffer contents to. | |
| 6915 */ | |
| 6916 if (bufempty()) | |
| 6917 savebuf = NULL; | |
| 6918 else | |
| 6919 { | |
| 6920 /* Allocate a buffer without putting it in the buffer list. */ | |
| 6921 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 6922 if (savebuf != NULL && buf == curbuf) |
| 311 | 6923 { |
| 6924 /* Open the memline. */ | |
| 6925 curbuf = savebuf; | |
| 6926 curwin->w_buffer = savebuf; | |
| 625 | 6927 saved = ml_open(curbuf); |
| 311 | 6928 curbuf = buf; |
| 6929 curwin->w_buffer = buf; | |
| 6930 } | |
| 837 | 6931 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 6932 || move_lines(buf, savebuf) == FAIL) |
| 6933 { | |
| 6934 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 6935 buf->b_fname); | |
| 6936 saved = FAIL; | |
| 6937 } | |
| 6938 } | |
| 6939 | |
| 6940 if (saved == OK) | |
| 6941 { | |
| 6942 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 6943 #ifdef FEAT_AUTOCMD | |
| 6944 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 6945 #endif | |
| 6946 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 6947 (linenr_T)0, | |
| 6948 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL) | |
| 6949 { | |
| 6950 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 6951 if (!aborting()) | |
| 6952 #endif | |
| 6953 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 6954 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 6955 { |
| 6956 /* Put the text back from the save buffer. First | |
| 6957 * delete any lines that readfile() added. */ | |
| 6958 while (!bufempty()) | |
| 837 | 6959 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 6960 break; |
| 6961 (void)move_lines(savebuf, buf); | |
| 6962 } | |
| 6963 } | |
| 837 | 6964 else if (buf == curbuf) |
| 311 | 6965 { |
| 6966 /* Mark the buffer as unmodified and free undo info. */ | |
| 6967 unchanged(buf, TRUE); | |
| 6968 u_blockfree(buf); | |
| 6969 u_clearall(buf); | |
| 6970 } | |
| 6971 } | |
| 6972 vim_free(ea.cmd); | |
| 6973 | |
| 837 | 6974 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 6975 wipe_buffer(savebuf, FALSE); |
| 6976 | |
| 6977 #ifdef FEAT_DIFF | |
| 6978 /* Invalidate diff info if necessary. */ | |
| 837 | 6979 diff_invalidate(curbuf); |
| 311 | 6980 #endif |
| 6981 | |
| 6982 /* Restore the topline and cursor position and check it (lines may | |
| 6983 * have been removed). */ | |
| 6984 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 6985 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 6986 else | |
| 6987 curwin->w_topline = old_topline; | |
| 6988 curwin->w_cursor = old_cursor; | |
| 6989 check_cursor(); | |
| 6990 update_topline(); | |
| 6991 #ifdef FEAT_AUTOCMD | |
| 6992 keep_filetype = FALSE; | |
| 6993 #endif | |
| 6994 #ifdef FEAT_FOLDING | |
| 6995 { | |
| 1863 | 6996 win_T *wp; |
| 6997 tabpage_T *tp; | |
| 311 | 6998 |
| 6999 /* Update folds unless they are defined manually. */ | |
| 1863 | 7000 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 7001 if (wp->w_buffer == curwin->w_buffer |
| 7002 && !foldmethodIsManual(wp)) | |
| 7003 foldUpdateAll(wp); | |
| 7004 } | |
| 7005 #endif | |
| 7006 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 7007 * value; the user probably used the ":view" command. But don't | |
| 7008 * reset it, might have had a read error. */ | |
| 7009 if (orig_mode == curbuf->b_orig_mode) | |
| 7010 curbuf->b_p_ro |= old_ro; | |
| 7011 } | |
| 7012 | |
| 7013 /* restore curwin/curbuf and a few other things */ | |
| 7014 aucmd_restbuf(&aco); | |
| 7015 /* Careful: autocommands may have made "buf" invalid! */ | |
| 7016 } | |
| 7017 | |
| 7 | 7018 void |
| 7019 buf_store_time(buf, st, fname) | |
| 7020 buf_T *buf; | |
| 7021 struct stat *st; | |
| 1877 | 7022 char_u *fname UNUSED; |
| 7 | 7023 { |
| 7024 buf->b_mtime = (long)st->st_mtime; | |
| 7025 buf->b_orig_size = (size_t)st->st_size; | |
| 7026 #ifdef HAVE_ST_MODE | |
| 7027 buf->b_orig_mode = (int)st->st_mode; | |
| 7028 #else | |
| 7029 buf->b_orig_mode = mch_getperm(fname); | |
| 7030 #endif | |
| 7031 } | |
| 7032 | |
| 7033 /* | |
| 7034 * Adjust the line with missing eol, used for the next write. | |
| 7035 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 7036 */ | |
| 7037 void | |
| 7038 write_lnum_adjust(offset) | |
| 7039 linenr_T offset; | |
| 7040 { | |
| 167 | 7041 if (write_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7 | 7042 write_no_eol_lnum += offset; |
| 7043 } | |
| 7044 | |
| 7045 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 7046 static long temp_count = 0; /* Temp filename counter. */ | |
| 7047 | |
| 7048 /* | |
| 7049 * Delete the temp directory and all files it contains. | |
| 7050 */ | |
| 7051 void | |
| 7052 vim_deltempdir() | |
| 7053 { | |
| 7054 char_u **files; | |
| 7055 int file_count; | |
| 7056 int i; | |
| 7057 | |
| 7058 if (vim_tempdir != NULL) | |
| 7059 { | |
| 7060 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 7061 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 7062 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 7063 { | |
| 7064 for (i = 0; i < file_count; ++i) | |
| 7065 mch_remove(files[i]); | |
| 7066 FreeWild(file_count, files); | |
| 7067 } | |
| 7068 gettail(NameBuff)[-1] = NUL; | |
| 7069 (void)mch_rmdir(NameBuff); | |
| 7070 | |
| 7071 vim_free(vim_tempdir); | |
| 7072 vim_tempdir = NULL; | |
| 7073 } | |
| 7074 } | |
| 7075 #endif | |
| 7076 | |
| 2006 | 7077 #ifdef TEMPDIRNAMES |
| 7 | 7078 /* |
| 1997 | 7079 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7080 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7081 * "tempdir" must be no longer than MAXPATHL. | |
| 7082 */ | |
| 7083 static void | |
| 7084 vim_settempdir(tempdir) | |
| 7085 char_u *tempdir; | |
| 7086 { | |
| 7087 char_u *buf; | |
| 7088 | |
| 7089 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7090 if (buf != NULL) | |
| 7091 { | |
| 7092 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7093 STRCPY(buf, tempdir); | |
| 7094 # ifdef __EMX__ | |
| 7095 if (vim_strchr(buf, '/') != NULL) | |
| 7096 STRCAT(buf, "/"); | |
| 7097 else | |
| 7098 # endif | |
| 7099 add_pathsep(buf); | |
| 7100 vim_tempdir = vim_strsave(buf); | |
| 7101 vim_free(buf); | |
| 7102 } | |
| 7103 } | |
| 2006 | 7104 #endif |
| 1997 | 7105 |
| 7106 /* | |
| 7 | 7107 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7108 * | |
| 7109 * The temp file is NOT created. | |
| 7110 * | |
| 7111 * The returned pointer is to allocated memory. | |
| 7112 * The returned pointer is NULL if no valid name was found. | |
| 7113 */ | |
| 7114 char_u * | |
| 7115 vim_tempname(extra_char) | |
| 1877 | 7116 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7117 { |
| 7118 #ifdef USE_TMPNAM | |
| 7119 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7120 #else | |
| 7121 char_u itmp[TEMPNAMELEN]; | |
| 7122 #endif | |
| 7123 | |
| 7124 #ifdef TEMPDIRNAMES | |
| 7125 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7126 int i; | |
| 7127 # ifndef EEXIST | |
| 7128 struct stat st; | |
| 7129 # endif | |
| 7130 | |
| 7131 /* | |
| 7132 * This will create a directory for private use by this instance of Vim. | |
| 7133 * This is done once, and the same directory is used for all temp files. | |
| 7134 * This method avoids security problems because of symlink attacks et al. | |
| 7135 * It's also a bit faster, because we only need to check for an existing | |
| 7136 * file when creating the directory and not for each temp file. | |
| 7137 */ | |
| 7138 if (vim_tempdir == NULL) | |
| 7139 { | |
| 7140 /* | |
| 7141 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7142 */ | |
| 1877 | 7143 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7144 { |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7145 # ifndef HAVE_MKDTEMP |
| 1997 | 7146 size_t itmplen; |
| 7147 long nr; | |
| 7148 long off; | |
| 7149 # endif | |
| 7150 | |
| 7 | 7151 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7152 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7153 if (mch_isdir(itmp)) /* directory exists */ | |
| 7154 { | |
| 7155 # ifdef __EMX__ | |
| 7156 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7157 * tcsh), don't add a backslash, use a forward slash! | |
| 7158 * Adding 2 backslashes didn't work. */ | |
| 7159 if (vim_strchr(itmp, '/') != NULL) | |
| 7160 STRCAT(itmp, "/"); | |
| 7161 else | |
| 7162 # endif | |
| 7163 add_pathsep(itmp); | |
| 1997 | 7164 |
| 7165 # ifdef HAVE_MKDTEMP | |
| 7166 /* Leave room for filename */ | |
| 7167 STRCAT(itmp, "vXXXXXX"); | |
| 7168 if (mkdtemp((char *)itmp) != NULL) | |
| 7169 vim_settempdir(itmp); | |
| 7170 # else | |
| 7 | 7171 /* Get an arbitrary number of up to 6 digits. When it's |
| 7172 * unlikely that it already exists it will be faster, | |
| 7173 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7174 * security problems because of the predictable number. */ | |
| 7175 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
|
7176 itmplen = STRLEN(itmp); |
| 7 | 7177 |
| 7178 /* Try up to 10000 different values until we find a name that | |
| 7179 * doesn't exist. */ | |
| 7180 for (off = 0; off < 10000L; ++off) | |
| 7181 { | |
| 7182 int r; | |
| 1997 | 7183 # if defined(UNIX) || defined(VMS) |
| 7 | 7184 mode_t umask_save; |
| 1997 | 7185 # endif |
| 7186 | |
| 7187 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7188 # ifndef EEXIST | |
| 7 | 7189 /* If mkdir() does not set errno to EEXIST, check for |
| 7190 * existing file here. There is a race condition then, | |
| 7191 * although it's fail-safe. */ | |
| 7192 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7193 continue; | |
| 1997 | 7194 # endif |
| 7195 # if defined(UNIX) || defined(VMS) | |
| 7 | 7196 /* Make sure the umask doesn't remove the executable bit. |
| 7197 * "repl" has been reported to use "177". */ | |
| 7198 umask_save = umask(077); | |
| 1997 | 7199 # endif |
| 7 | 7200 r = vim_mkdir(itmp, 0700); |
| 1997 | 7201 # if defined(UNIX) || defined(VMS) |
| 7 | 7202 (void)umask(umask_save); |
| 1997 | 7203 # endif |
| 7 | 7204 if (r == 0) |
| 7205 { | |
| 1997 | 7206 vim_settempdir(itmp); |
| 7 | 7207 break; |
| 7208 } | |
| 1997 | 7209 # ifdef EEXIST |
| 7 | 7210 /* If the mkdir() didn't fail because the file/dir exists, |
| 7211 * we probably can't create any dir here, try another | |
| 7212 * place. */ | |
| 7213 if (errno != EEXIST) | |
| 1997 | 7214 # endif |
| 7 | 7215 break; |
| 7216 } | |
| 1997 | 7217 # endif /* HAVE_MKDTEMP */ |
| 7 | 7218 if (vim_tempdir != NULL) |
| 7219 break; | |
| 7220 } | |
| 7221 } | |
| 7222 } | |
| 7223 | |
| 7224 if (vim_tempdir != NULL) | |
| 7225 { | |
| 7226 /* There is no need to check if the file exists, because we own the | |
| 7227 * directory and nobody else creates a file in it. */ | |
| 7228 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7229 return vim_strsave(itmp); | |
| 7230 } | |
| 7231 | |
| 7232 return NULL; | |
| 7233 | |
| 7234 #else /* TEMPDIRNAMES */ | |
| 7235 | |
| 7236 # ifdef WIN3264 | |
| 7237 char szTempFile[_MAX_PATH + 1]; | |
| 7238 char buf4[4]; | |
| 7239 char_u *retval; | |
| 7240 char_u *p; | |
| 7241 | |
| 7242 STRCPY(itmp, ""); | |
| 7243 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 7244 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */ | |
| 7245 strcpy(buf4, "VIM"); | |
| 7246 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7247 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7248 return NULL; | |
| 7249 /* GetTempFileName() will create the file, we don't want that */ | |
| 7250 (void)DeleteFile(itmp); | |
| 7251 | |
| 7252 /* Backslashes in a temp file name cause problems when filtering with | |
| 7253 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7254 * didn't set 'shellslash'. */ | |
| 7255 retval = vim_strsave(itmp); | |
| 7256 if (*p_shcf == '-' || p_ssl) | |
| 7257 for (p = retval; *p; ++p) | |
| 7258 if (*p == '\\') | |
| 7259 *p = '/'; | |
| 7260 return retval; | |
| 7261 | |
| 7262 # else /* WIN3264 */ | |
| 7263 | |
| 7264 # ifdef USE_TMPNAM | |
| 7265 /* tmpnam() will make its own name */ | |
| 7266 if (*tmpnam((char *)itmp) == NUL) | |
| 7267 return NULL; | |
| 7268 # else | |
| 7269 char_u *p; | |
| 7270 | |
| 7271 # ifdef VMS_TEMPNAM | |
| 7272 /* mktemp() is not working on VMS. It seems to be | |
| 7273 * a do-nothing function. Therefore we use tempnam(). | |
| 7274 */ | |
| 7275 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7276 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7277 if (p != NULL) | |
| 7278 { | |
| 7279 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7280 * and VIM will then be unable to find the file later */ | |
| 7281 STRCPY(itmp, p); | |
| 7282 STRCAT(itmp, ".txt"); | |
| 7283 free(p); | |
| 7284 } | |
| 7285 else | |
| 7286 return NULL; | |
| 7287 # else | |
| 7288 STRCPY(itmp, TEMPNAME); | |
| 7289 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7290 *p = extra_char; | |
| 7291 if (mktemp((char *)itmp) == NULL) | |
| 7292 return NULL; | |
| 7293 # endif | |
| 7294 # endif | |
| 7295 | |
| 7296 return vim_strsave(itmp); | |
| 7297 # endif /* WIN3264 */ | |
| 7298 #endif /* TEMPDIRNAMES */ | |
| 7299 } | |
| 7300 | |
| 7301 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7302 /* | |
| 7303 * Convert all backslashes in fname to forward slashes in-place. | |
| 7304 */ | |
| 7305 void | |
| 7306 forward_slash(fname) | |
| 7307 char_u *fname; | |
| 7308 { | |
| 7309 char_u *p; | |
| 7310 | |
| 7311 for (p = fname; *p != NUL; ++p) | |
| 7312 # ifdef FEAT_MBYTE | |
| 7313 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7314 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7315 ++p; |
| 7316 else | |
| 7317 # endif | |
| 7318 if (*p == '\\') | |
| 7319 *p = '/'; | |
| 7320 } | |
| 7321 #endif | |
| 7322 | |
| 7323 | |
| 7324 /* | |
| 7325 * Code for automatic commands. | |
| 7326 * | |
| 7327 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7328 */ | |
| 7329 | |
| 7330 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7331 | |
| 7332 /* | |
| 7333 * The autocommands are stored in a list for each event. | |
| 7334 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7335 * together, to avoid having to match the pattern too often. | |
| 7336 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7337 * | |
| 7338 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7339 * Autopat.cmds Autopat.cmds | |
| 7340 * | | | |
| 7341 * V V | |
| 7342 * AutoCmd.next AutoCmd.next | |
| 7343 * | | | |
| 7344 * V V | |
| 7345 * AutoCmd.next NULL | |
| 7346 * | | |
| 7347 * V | |
| 7348 * NULL | |
| 7349 * | |
| 7350 * first_autopat[1] --> Autopat.next --> NULL | |
| 7351 * Autopat.cmds | |
| 7352 * | | |
| 7353 * V | |
| 7354 * AutoCmd.next | |
| 7355 * | | |
| 7356 * V | |
| 7357 * NULL | |
| 7358 * etc. | |
| 7359 * | |
| 7360 * The order of AutoCmds is important, this is the order in which they were | |
| 7361 * defined and will have to be executed. | |
| 7362 */ | |
| 7363 typedef struct AutoCmd | |
| 7364 { | |
| 7365 char_u *cmd; /* The command to be executed (NULL | |
| 7366 when command has been removed) */ | |
| 7367 char nested; /* If autocommands nest here */ | |
| 7368 char last; /* last command in list */ | |
| 7369 #ifdef FEAT_EVAL | |
| 7370 scid_T scriptID; /* script ID where defined */ | |
| 7371 #endif | |
| 7372 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7373 } AutoCmd; | |
| 7374 | |
| 7375 typedef struct AutoPat | |
| 7376 { | |
| 7377 int group; /* group ID */ | |
| 7378 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7379 has been removed) */ | |
| 7380 int patlen; /* strlen() of pat */ | |
| 153 | 7381 regprog_T *reg_prog; /* compiled regprog for pattern */ |
| 7 | 7382 char allow_dirs; /* Pattern may match whole path */ |
| 7383 char last; /* last pattern for apply_autocmds() */ | |
| 7384 AutoCmd *cmds; /* list of commands to do */ | |
| 7385 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
| 40 | 7386 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7387 } AutoPat; |
| 7388 | |
| 7389 static struct event_name | |
| 7390 { | |
| 7391 char *name; /* event name */ | |
| 661 | 7392 event_T event; /* event number */ |
| 7 | 7393 } event_names[] = |
| 7394 { | |
| 7395 {"BufAdd", EVENT_BUFADD}, | |
| 7396 {"BufCreate", EVENT_BUFADD}, | |
| 7397 {"BufDelete", EVENT_BUFDELETE}, | |
| 7398 {"BufEnter", EVENT_BUFENTER}, | |
| 7399 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7400 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7401 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7402 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7403 {"BufNew", EVENT_BUFNEW}, | |
| 7404 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7405 {"BufRead", EVENT_BUFREADPOST}, | |
| 7406 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7407 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7408 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7409 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7410 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7411 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7412 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7413 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7414 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7415 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7416 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7417 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7418 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7419 {"ColorScheme", EVENT_COLORSCHEME}, |
| 661 | 7420 {"CursorHold", EVENT_CURSORHOLD}, |
| 7421 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7422 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7423 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7424 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7425 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7426 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7427 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7428 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7429 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7430 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7431 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7432 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7433 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7434 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7435 {"FileType", EVENT_FILETYPE}, | |
| 7436 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7437 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7438 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7439 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7440 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7441 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7442 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7443 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7444 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7445 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7446 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7447 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7448 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7449 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7450 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 434 | 7451 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7452 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7453 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 7 | 7454 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7455 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7456 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7457 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7458 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7459 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7460 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7461 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7462 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7463 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7464 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7465 {"TabEnter", EVENT_TABENTER}, |
| 7466 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7467 {"TermChanged", EVENT_TERMCHANGED}, |
| 7468 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 7469 {"User", EVENT_USER}, | |
| 7470 {"VimEnter", EVENT_VIMENTER}, | |
| 7471 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7472 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7473 {"WinEnter", EVENT_WINENTER}, | |
| 7474 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7475 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7476 {NULL, (event_T)0} |
| 7 | 7477 }; |
| 7478 | |
| 7479 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7480 { | |
| 7481 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7482 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7483 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7484 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7485 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7486 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7487 }; |
| 7488 | |
| 7489 /* | |
| 7490 * struct used to keep status while executing autocommands for an event. | |
| 7491 */ | |
| 7492 typedef struct AutoPatCmd | |
| 7493 { | |
| 7494 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7495 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7496 int group; /* group being used */ | |
| 7497 char_u *fname; /* fname to match with */ | |
| 7498 char_u *sfname; /* sfname to match with */ | |
| 7499 char_u *tail; /* tail of fname */ | |
| 661 | 7500 event_T event; /* current event */ |
| 40 | 7501 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7502 buf is deleted */ | |
| 7503 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7504 } AutoPatCmd; |
| 7505 | |
| 297 | 7506 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7507 |
| 7 | 7508 /* |
| 7509 * augroups stores a list of autocmd group names. | |
| 7510 */ | |
| 297 | 7511 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7512 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7513 | |
| 7514 /* | |
| 7515 * The ID of the current group. Group 0 is the default one. | |
| 7516 */ | |
| 7517 static int current_augroup = AUGROUP_DEFAULT; | |
| 7518 | |
| 7519 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7520 | |
| 661 | 7521 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7522 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7523 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7524 static void au_cleanup __ARGS((void)); | |
| 7525 static int au_new_group __ARGS((char_u *name)); | |
| 7526 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7527 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7528 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7529 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7530 static int event_ignored __ARGS((event_T event)); |
| 7 | 7531 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7532 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7 | 7533 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
| 661 | 7534 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 | 7535 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7536 | |
| 40 | 7537 |
| 661 | 7538 static event_T last_event; |
| 7 | 7539 static int last_group; |
| 1410 | 7540 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7541 |
| 7542 /* | |
| 7543 * Show the autocommands for one AutoPat. | |
| 7544 */ | |
| 7545 static void | |
| 7546 show_autocmd(ap, event) | |
| 7547 AutoPat *ap; | |
| 661 | 7548 event_T event; |
| 7 | 7549 { |
| 7550 AutoCmd *ac; | |
| 7551 | |
| 7552 /* Check for "got_int" (here and at various places below), which is set | |
| 7553 * when "q" has been hit for the "--more--" prompt */ | |
| 7554 if (got_int) | |
| 7555 return; | |
| 7556 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7557 return; | |
| 7558 | |
| 7559 msg_putchar('\n'); | |
| 7560 if (got_int) | |
| 7561 return; | |
| 7562 if (event != last_event || ap->group != last_group) | |
| 7563 { | |
| 7564 if (ap->group != AUGROUP_DEFAULT) | |
| 7565 { | |
| 7566 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7567 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7568 else | |
| 7569 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7570 msg_puts((char_u *)" "); | |
| 7571 } | |
| 7572 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7573 last_event = event; | |
| 7574 last_group = ap->group; | |
| 7575 msg_putchar('\n'); | |
| 7576 if (got_int) | |
| 7577 return; | |
| 7578 } | |
| 7579 msg_col = 4; | |
| 7580 msg_outtrans(ap->pat); | |
| 7581 | |
| 7582 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7583 { | |
| 7584 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7585 { | |
| 7586 if (msg_col >= 14) | |
| 7587 msg_putchar('\n'); | |
| 7588 msg_col = 14; | |
| 7589 if (got_int) | |
| 7590 return; | |
| 7591 msg_outtrans(ac->cmd); | |
| 500 | 7592 #ifdef FEAT_EVAL |
| 7593 if (p_verbose > 0) | |
| 7594 last_set_msg(ac->scriptID); | |
| 7595 #endif | |
| 7 | 7596 if (got_int) |
| 7597 return; | |
| 7598 if (ac->next != NULL) | |
| 7599 { | |
| 7600 msg_putchar('\n'); | |
| 7601 if (got_int) | |
| 7602 return; | |
| 7603 } | |
| 7604 } | |
| 7605 } | |
| 7606 } | |
| 7607 | |
| 7608 /* | |
| 7609 * Mark an autocommand pattern for deletion. | |
| 7610 */ | |
| 7611 static void | |
| 7612 au_remove_pat(ap) | |
| 7613 AutoPat *ap; | |
| 7614 { | |
| 7615 vim_free(ap->pat); | |
| 7616 ap->pat = NULL; | |
| 40 | 7617 ap->buflocal_nr = -1; |
| 7 | 7618 au_need_clean = TRUE; |
| 7619 } | |
| 7620 | |
| 7621 /* | |
| 7622 * Mark all commands for a pattern for deletion. | |
| 7623 */ | |
| 7624 static void | |
| 7625 au_remove_cmds(ap) | |
| 7626 AutoPat *ap; | |
| 7627 { | |
| 7628 AutoCmd *ac; | |
| 7629 | |
| 7630 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7631 { | |
| 7632 vim_free(ac->cmd); | |
| 7633 ac->cmd = NULL; | |
| 7634 } | |
| 7635 au_need_clean = TRUE; | |
| 7636 } | |
| 7637 | |
| 7638 /* | |
| 7639 * Cleanup autocommands and patterns that have been deleted. | |
| 7640 * This is only done when not executing autocommands. | |
| 7641 */ | |
| 7642 static void | |
| 7643 au_cleanup() | |
| 7644 { | |
| 7645 AutoPat *ap, **prev_ap; | |
| 7646 AutoCmd *ac, **prev_ac; | |
| 661 | 7647 event_T event; |
| 7 | 7648 |
| 7649 if (autocmd_busy || !au_need_clean) | |
| 7650 return; | |
| 7651 | |
| 7652 /* loop over all events */ | |
| 661 | 7653 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7654 event = (event_T)((int)event + 1)) | |
| 7 | 7655 { |
| 7656 /* loop over all autocommand patterns */ | |
| 7657 prev_ap = &(first_autopat[(int)event]); | |
| 7658 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7659 { | |
| 7660 /* loop over all commands for this pattern */ | |
| 7661 prev_ac = &(ap->cmds); | |
| 7662 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7663 { | |
| 7664 /* remove the command if the pattern is to be deleted or when | |
| 7665 * the command has been marked for deletion */ | |
| 7666 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7667 { | |
| 7668 *prev_ac = ac->next; | |
| 7669 vim_free(ac->cmd); | |
| 7670 vim_free(ac); | |
| 7671 } | |
| 7672 else | |
| 7673 prev_ac = &(ac->next); | |
| 7674 } | |
| 7675 | |
| 7676 /* remove the pattern if it has been marked for deletion */ | |
| 7677 if (ap->pat == NULL) | |
| 7678 { | |
| 7679 *prev_ap = ap->next; | |
| 153 | 7680 vim_free(ap->reg_prog); |
| 7 | 7681 vim_free(ap); |
| 7682 } | |
| 7683 else | |
| 7684 prev_ap = &(ap->next); | |
| 7685 } | |
| 7686 } | |
| 7687 | |
| 7688 au_need_clean = FALSE; | |
| 7689 } | |
| 7690 | |
| 7691 /* | |
| 40 | 7692 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7693 * autocmds. | |
| 7694 */ | |
| 7695 void | |
| 7696 aubuflocal_remove(buf) | |
| 7697 buf_T *buf; | |
| 7698 { | |
| 7699 AutoPat *ap; | |
| 661 | 7700 event_T event; |
| 40 | 7701 AutoPatCmd *apc; |
| 7702 | |
| 7703 /* invalidate currently executing autocommands */ | |
| 7704 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7705 if (buf->b_fnum == apc->arg_bufnr) | |
| 7706 apc->arg_bufnr = 0; | |
| 7707 | |
| 7708 /* invalidate buflocals looping through events */ | |
| 661 | 7709 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7710 event = (event_T)((int)event + 1)) | |
| 40 | 7711 /* loop over all autocommand patterns */ |
| 7712 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7713 if (ap->buflocal_nr == buf->b_fnum) | |
| 7714 { | |
| 7715 au_remove_pat(ap); | |
| 7716 if (p_verbose >= 6) | |
| 292 | 7717 { |
| 7718 verbose_enter(); | |
| 40 | 7719 smsg((char_u *) |
| 7720 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7721 event_nr2name(event), buf->b_fnum); | |
| 292 | 7722 verbose_leave(); |
| 7723 } | |
| 40 | 7724 } |
| 7725 au_cleanup(); | |
| 7726 } | |
| 7727 | |
| 7728 /* | |
| 7 | 7729 * Add an autocmd group name. |
| 7730 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7731 */ | |
| 7732 static int | |
| 7733 au_new_group(name) | |
| 7734 char_u *name; | |
| 7735 { | |
| 7736 int i; | |
| 7737 | |
| 7738 i = au_find_group(name); | |
| 7739 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7740 { | |
| 7741 /* First try using a free entry. */ | |
| 7742 for (i = 0; i < augroups.ga_len; ++i) | |
| 7743 if (AUGROUP_NAME(i) == NULL) | |
| 7744 break; | |
| 7745 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 7746 return AUGROUP_ERROR; | |
| 7747 | |
| 7748 AUGROUP_NAME(i) = vim_strsave(name); | |
| 7749 if (AUGROUP_NAME(i) == NULL) | |
| 7750 return AUGROUP_ERROR; | |
| 7751 if (i == augroups.ga_len) | |
| 7752 ++augroups.ga_len; | |
| 7753 } | |
| 7754 | |
| 7755 return i; | |
| 7756 } | |
| 7757 | |
| 7758 static void | |
| 7759 au_del_group(name) | |
| 7760 char_u *name; | |
| 7761 { | |
| 7762 int i; | |
| 7763 | |
| 7764 i = au_find_group(name); | |
| 7765 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 7766 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 7767 else | |
| 7768 { | |
| 7769 vim_free(AUGROUP_NAME(i)); | |
| 7770 AUGROUP_NAME(i) = NULL; | |
| 7771 } | |
| 7772 } | |
| 7773 | |
| 7774 /* | |
| 7775 * Find the ID of an autocmd group name. | |
| 7776 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7777 */ | |
| 7778 static int | |
| 7779 au_find_group(name) | |
| 7780 char_u *name; | |
| 7781 { | |
| 7782 int i; | |
| 7783 | |
| 7784 for (i = 0; i < augroups.ga_len; ++i) | |
| 7785 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 7786 return i; | |
| 7787 return AUGROUP_ERROR; | |
| 7788 } | |
| 7789 | |
| 461 | 7790 /* |
| 7791 * Return TRUE if augroup "name" exists. | |
| 7792 */ | |
| 7793 int | |
| 7794 au_has_group(name) | |
| 7795 char_u *name; | |
| 7796 { | |
| 7797 return au_find_group(name) != AUGROUP_ERROR; | |
| 7798 } | |
| 7799 | |
| 7 | 7800 /* |
| 7801 * ":augroup {name}". | |
| 7802 */ | |
| 7803 void | |
| 7804 do_augroup(arg, del_group) | |
| 7805 char_u *arg; | |
| 7806 int del_group; | |
| 7807 { | |
| 7808 int i; | |
| 7809 | |
| 7810 if (del_group) | |
| 7811 { | |
| 7812 if (*arg == NUL) | |
| 7813 EMSG(_(e_argreq)); | |
| 7814 else | |
| 7815 au_del_group(arg); | |
| 7816 } | |
| 7817 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 7818 current_augroup = AUGROUP_DEFAULT; | |
| 7819 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 7820 { | |
| 7821 i = au_new_group(arg); | |
| 7822 if (i != AUGROUP_ERROR) | |
| 7823 current_augroup = i; | |
| 7824 } | |
| 7825 else /* ":aug": list the group names */ | |
| 7826 { | |
| 7827 msg_start(); | |
| 7828 for (i = 0; i < augroups.ga_len; ++i) | |
| 7829 { | |
| 7830 if (AUGROUP_NAME(i) != NULL) | |
| 7831 { | |
| 7832 msg_puts(AUGROUP_NAME(i)); | |
| 7833 msg_puts((char_u *)" "); | |
| 7834 } | |
| 7835 } | |
| 7836 msg_clr_eos(); | |
| 7837 msg_end(); | |
| 7838 } | |
| 7839 } | |
| 7840 | |
| 355 | 7841 #if defined(EXITFREE) || defined(PROTO) |
| 7842 void | |
| 7843 free_all_autocmds() | |
| 7844 { | |
| 7845 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 7846 ++current_augroup) | |
| 7847 do_autocmd((char_u *)"", TRUE); | |
| 7848 ga_clear_strings(&augroups); | |
| 7849 } | |
| 7850 #endif | |
| 7851 | |
| 7 | 7852 /* |
| 7853 * Return the event number for event name "start". | |
| 7854 * Return NUM_EVENTS if the event name was not found. | |
| 7855 * Return a pointer to the next event name in "end". | |
| 7856 */ | |
| 661 | 7857 static event_T |
| 7 | 7858 event_name2nr(start, end) |
| 7859 char_u *start; | |
| 7860 char_u **end; | |
| 7861 { | |
| 7862 char_u *p; | |
| 7863 int i; | |
| 7864 int len; | |
| 7865 | |
| 7866 /* the event name ends with end of line, a blank or a comma */ | |
| 7867 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 7868 ; | |
| 7869 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7870 { | |
| 7871 len = (int)STRLEN(event_names[i].name); | |
| 7872 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 7873 break; | |
| 7874 } | |
| 7875 if (*p == ',') | |
| 7876 ++p; | |
| 7877 *end = p; | |
| 7878 if (event_names[i].name == NULL) | |
| 7879 return NUM_EVENTS; | |
| 7880 return event_names[i].event; | |
| 7881 } | |
| 7882 | |
| 7883 /* | |
| 7884 * Return the name for event "event". | |
| 7885 */ | |
| 7886 static char_u * | |
| 7887 event_nr2name(event) | |
| 661 | 7888 event_T event; |
| 7 | 7889 { |
| 7890 int i; | |
| 7891 | |
| 7892 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7893 if (event_names[i].event == event) | |
| 7894 return (char_u *)event_names[i].name; | |
| 7895 return (char_u *)"Unknown"; | |
| 7896 } | |
| 7897 | |
| 7898 /* | |
| 7899 * Scan over the events. "*" stands for all events. | |
| 7900 */ | |
| 7901 static char_u * | |
| 7902 find_end_event(arg, have_group) | |
| 7903 char_u *arg; | |
| 7904 int have_group; /* TRUE when group name was found */ | |
| 7905 { | |
| 7906 char_u *pat; | |
| 7907 char_u *p; | |
| 7908 | |
| 7909 if (*arg == '*') | |
| 7910 { | |
| 7911 if (arg[1] && !vim_iswhite(arg[1])) | |
| 7912 { | |
| 7913 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 7914 return NULL; | |
| 7915 } | |
| 7916 pat = arg + 1; | |
| 7917 } | |
| 7918 else | |
| 7919 { | |
| 7920 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 7921 { | |
| 7922 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 7923 { | |
| 7924 if (have_group) | |
| 7925 EMSG2(_("E216: No such event: %s"), pat); | |
| 7926 else | |
| 7927 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 7928 return NULL; | |
| 7929 } | |
| 7930 } | |
| 7931 } | |
| 7932 return pat; | |
| 7933 } | |
| 7934 | |
| 7935 /* | |
| 7936 * Return TRUE if "event" is included in 'eventignore'. | |
| 7937 */ | |
| 7938 static int | |
| 7939 event_ignored(event) | |
| 661 | 7940 event_T event; |
| 7 | 7941 { |
| 7942 char_u *p = p_ei; | |
| 7943 | |
| 844 | 7944 while (*p != NUL) |
| 7945 { | |
| 7946 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 7947 return TRUE; | |
| 7 | 7948 if (event_name2nr(p, &p) == event) |
| 7949 return TRUE; | |
| 844 | 7950 } |
| 7 | 7951 |
| 7952 return FALSE; | |
| 7953 } | |
| 7954 | |
| 7955 /* | |
| 7956 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 7957 */ | |
| 7958 int | |
| 7959 check_ei() | |
| 7960 { | |
| 7961 char_u *p = p_ei; | |
| 7962 | |
| 7963 while (*p) | |
| 844 | 7964 { |
| 7965 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 7966 { | |
| 7967 p += 3; | |
| 7968 if (*p == ',') | |
| 7969 ++p; | |
| 7970 } | |
| 7971 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 7972 return FAIL; |
| 844 | 7973 } |
| 7 | 7974 |
| 7975 return OK; | |
| 7976 } | |
| 7977 | |
| 123 | 7978 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 7979 | |
| 7980 /* | |
| 7981 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 7982 * buffer loaded into the window. "what" must start with a comma. | |
| 7983 * Returns the old value of 'eventignore' in allocated memory. | |
| 7984 */ | |
| 7985 char_u * | |
| 7986 au_event_disable(what) | |
| 7987 char *what; | |
| 7988 { | |
| 7989 char_u *new_ei; | |
| 7990 char_u *save_ei; | |
| 7991 | |
| 7992 save_ei = vim_strsave(p_ei); | |
| 7993 if (save_ei != NULL) | |
| 7994 { | |
| 557 | 7995 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 7996 if (new_ei != NULL) |
| 7997 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7998 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
7999 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8000 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8001 STRCAT(new_ei, what); |
| 694 | 8002 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 8003 OPT_FREE, SID_NONE); | |
| 123 | 8004 vim_free(new_ei); |
| 8005 } | |
| 8006 } | |
| 8007 return save_ei; | |
| 8008 } | |
| 8009 | |
| 8010 void | |
| 8011 au_event_restore(old_ei) | |
| 8012 char_u *old_ei; | |
| 8013 { | |
| 8014 if (old_ei != NULL) | |
| 8015 { | |
| 694 | 8016 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 8017 OPT_FREE, SID_NONE); | |
| 123 | 8018 vim_free(old_ei); |
| 8019 } | |
| 8020 } | |
| 8021 # endif /* FEAT_SYN_HL */ | |
| 8022 | |
| 7 | 8023 /* |
| 8024 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 8025 * following ways: | |
| 8026 * | |
| 8027 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 8028 * will be automatically executed for <event> | |
| 8029 * when editing a file matching <pat>, in | |
| 8030 * the current group. | |
| 8031 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 8032 * <event> and <pat>. | |
| 8033 * :autocmd <event> Show the auto-commands associated with | |
| 8034 * <event>. | |
| 8035 * :autocmd Show all auto-commands. | |
| 8036 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 8037 * <event> and <pat>, and add the command | |
| 8038 * <cmd>, for the current group. | |
| 8039 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 8040 * <event> and <pat> for the current group. | |
| 8041 * :autocmd! <event> Remove all auto-commands associated with | |
| 8042 * <event> for the current group. | |
| 8043 * :autocmd! Remove ALL auto-commands for the current | |
| 8044 * group. | |
| 8045 * | |
| 8046 * Multiple events and patterns may be given separated by commas. Here are | |
| 8047 * some examples: | |
| 8048 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 8049 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 8050 * | |
| 8051 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 8052 * |
| 8053 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 8054 */ |
| 8055 void | |
| 8056 do_autocmd(arg, forceit) | |
| 8057 char_u *arg; | |
| 8058 int forceit; | |
| 8059 { | |
| 8060 char_u *pat; | |
| 8061 char_u *envpat = NULL; | |
| 8062 char_u *cmd; | |
| 661 | 8063 event_T event; |
| 7 | 8064 int need_free = FALSE; |
| 8065 int nested = FALSE; | |
| 8066 int group; | |
| 8067 | |
| 8068 /* | |
| 8069 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8070 */ | |
| 8071 group = au_get_grouparg(&arg); | |
| 8072 if (arg == NULL) /* out of memory */ | |
| 8073 return; | |
| 8074 | |
| 8075 /* | |
| 8076 * Scan over the events. | |
| 8077 * If we find an illegal name, return here, don't do anything. | |
| 8078 */ | |
| 8079 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8080 if (pat == NULL) | |
| 8081 return; | |
| 8082 | |
| 8083 /* | |
| 8084 * Scan over the pattern. Put a NUL at the end. | |
| 8085 */ | |
| 8086 pat = skipwhite(pat); | |
| 8087 cmd = pat; | |
| 8088 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8089 cmd++; | |
| 8090 if (*cmd) | |
| 8091 *cmd++ = NUL; | |
| 8092 | |
| 8093 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8094 * forward slashes here. */ | |
| 8095 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8096 { | |
| 8097 #ifdef BACKSLASH_IN_FILENAME | |
| 8098 int p_ssl_save = p_ssl; | |
| 8099 | |
| 8100 p_ssl = TRUE; | |
| 8101 #endif | |
| 8102 envpat = expand_env_save(pat); | |
| 8103 #ifdef BACKSLASH_IN_FILENAME | |
| 8104 p_ssl = p_ssl_save; | |
| 8105 #endif | |
| 8106 if (envpat != NULL) | |
| 8107 pat = envpat; | |
| 8108 } | |
| 8109 | |
| 8110 /* | |
| 8111 * Check for "nested" flag. | |
| 8112 */ | |
| 8113 cmd = skipwhite(cmd); | |
| 8114 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8115 { | |
| 8116 nested = TRUE; | |
| 8117 cmd = skipwhite(cmd + 6); | |
| 8118 } | |
| 8119 | |
| 8120 /* | |
| 8121 * Find the start of the commands. | |
| 8122 * Expand <sfile> in it. | |
| 8123 */ | |
| 8124 if (*cmd != NUL) | |
| 8125 { | |
| 8126 cmd = expand_sfile(cmd); | |
| 8127 if (cmd == NULL) /* some error */ | |
| 8128 return; | |
| 8129 need_free = TRUE; | |
| 8130 } | |
| 8131 | |
| 8132 /* | |
| 8133 * Print header when showing autocommands. | |
| 8134 */ | |
| 8135 if (!forceit && *cmd == NUL) | |
| 8136 { | |
| 8137 /* Highlight title */ | |
| 8138 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8139 } | |
| 8140 | |
| 8141 /* | |
| 8142 * Loop over the events. | |
| 8143 */ | |
| 661 | 8144 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8145 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8146 if (*arg == '*' || *arg == NUL) | |
| 8147 { | |
| 661 | 8148 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8149 event = (event_T)((int)event + 1)) | |
| 7 | 8150 if (do_autocmd_event(event, pat, |
| 8151 nested, cmd, forceit, group) == FAIL) | |
| 8152 break; | |
| 8153 } | |
| 8154 else | |
| 8155 { | |
| 8156 while (*arg && !vim_iswhite(*arg)) | |
| 8157 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8158 nested, cmd, forceit, group) == FAIL) | |
| 8159 break; | |
| 8160 } | |
| 8161 | |
| 8162 if (need_free) | |
| 8163 vim_free(cmd); | |
| 8164 vim_free(envpat); | |
| 8165 } | |
| 8166 | |
| 8167 /* | |
| 8168 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8169 * The "argp" argument is advanced to the following argument. | |
| 8170 * | |
| 8171 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8172 */ | |
| 8173 static int | |
| 8174 au_get_grouparg(argp) | |
| 8175 char_u **argp; | |
| 8176 { | |
| 8177 char_u *group_name; | |
| 8178 char_u *p; | |
| 8179 char_u *arg = *argp; | |
| 8180 int group = AUGROUP_ALL; | |
| 8181 | |
| 8182 p = skiptowhite(arg); | |
| 8183 if (p > arg) | |
| 8184 { | |
| 8185 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8186 if (group_name == NULL) /* out of memory */ | |
| 8187 return AUGROUP_ERROR; | |
| 8188 group = au_find_group(group_name); | |
| 8189 if (group == AUGROUP_ERROR) | |
| 8190 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8191 else | |
| 8192 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8193 vim_free(group_name); | |
| 8194 } | |
| 8195 return group; | |
| 8196 } | |
| 8197 | |
| 8198 /* | |
| 8199 * do_autocmd() for one event. | |
| 8200 * If *pat == NUL do for all patterns. | |
| 8201 * If *cmd == NUL show entries. | |
| 8202 * If forceit == TRUE delete entries. | |
| 8203 * If group is not AUGROUP_ALL, only use this group. | |
| 8204 */ | |
| 8205 static int | |
| 8206 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8207 event_T event; |
| 7 | 8208 char_u *pat; |
| 8209 int nested; | |
| 8210 char_u *cmd; | |
| 8211 int forceit; | |
| 8212 int group; | |
| 8213 { | |
| 8214 AutoPat *ap; | |
| 8215 AutoPat **prev_ap; | |
| 8216 AutoCmd *ac; | |
| 8217 AutoCmd **prev_ac; | |
| 8218 int brace_level; | |
| 8219 char_u *endpat; | |
| 8220 int findgroup; | |
| 8221 int allgroups; | |
| 8222 int patlen; | |
| 856 | 8223 int is_buflocal; |
| 40 | 8224 int buflocal_nr; |
| 8225 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8226 |
| 8227 if (group == AUGROUP_ALL) | |
| 8228 findgroup = current_augroup; | |
| 8229 else | |
| 8230 findgroup = group; | |
| 8231 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8232 | |
| 8233 /* | |
| 8234 * Show or delete all patterns for an event. | |
| 8235 */ | |
| 8236 if (*pat == NUL) | |
| 8237 { | |
| 8238 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8239 { | |
| 8240 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8241 { | |
| 8242 if (ap->group == findgroup) | |
| 8243 au_remove_pat(ap); | |
| 8244 } | |
| 8245 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8246 show_autocmd(ap, event); | |
| 8247 } | |
| 8248 } | |
| 8249 | |
| 8250 /* | |
| 8251 * Loop through all the specified patterns. | |
| 8252 */ | |
| 8253 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8254 { | |
| 8255 /* | |
| 8256 * Find end of the pattern. | |
| 8257 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8258 */ | |
| 8259 brace_level = 0; | |
| 8260 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8261 || endpat[-1] == '\\'); ++endpat) | |
| 8262 { | |
| 8263 if (*endpat == '{') | |
| 8264 brace_level++; | |
| 8265 else if (*endpat == '}') | |
| 8266 brace_level--; | |
| 8267 } | |
| 8268 if (pat == endpat) /* ignore single comma */ | |
| 8269 continue; | |
| 8270 patlen = (int)(endpat - pat); | |
| 8271 | |
| 8272 /* | |
| 40 | 8273 * detect special <buflocal[=X]> buffer-local patterns |
| 8274 */ | |
| 8275 is_buflocal = FALSE; | |
| 8276 buflocal_nr = 0; | |
| 8277 | |
| 8278 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8279 && pat[patlen - 1] == '>') | |
| 8280 { | |
| 8281 /* Error will be printed only for addition. printing and removing | |
| 8282 * will proceed silently. */ | |
| 8283 is_buflocal = TRUE; | |
| 8284 if (patlen == 8) | |
| 8285 buflocal_nr = curbuf->b_fnum; | |
| 8286 else if (patlen > 9 && pat[7] == '=') | |
| 8287 { | |
| 8288 /* <buffer=abuf> */ | |
| 8289 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8290 buflocal_nr = autocmd_bufnr; | |
| 8291 /* <buffer=123> */ | |
| 8292 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8293 buflocal_nr = atoi((char *)pat + 8); | |
| 8294 } | |
| 8295 } | |
| 8296 | |
| 8297 if (is_buflocal) | |
| 8298 { | |
| 8299 /* normalize pat into standard "<buffer>#N" form */ | |
| 8300 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8301 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8302 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8303 } |
| 8304 | |
| 8305 /* | |
| 7 | 8306 * Find AutoPat entries with this pattern. |
| 8307 */ | |
| 8308 prev_ap = &first_autopat[(int)event]; | |
| 8309 while ((ap = *prev_ap) != NULL) | |
| 8310 { | |
| 8311 if (ap->pat != NULL) | |
| 8312 { | |
| 8313 /* Accept a pattern when: | |
| 8314 * - a group was specified and it's that group, or a group was | |
| 8315 * not specified and it's the current group, or a group was | |
| 8316 * not specified and we are listing | |
| 8317 * - the length of the pattern matches | |
| 40 | 8318 * - the pattern matches. |
| 8319 * For <buffer[=X]>, this condition works because we normalize | |
| 8320 * all buffer-local patterns. | |
| 7 | 8321 */ |
| 8322 if ((allgroups || ap->group == findgroup) | |
| 8323 && ap->patlen == patlen | |
| 8324 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8325 { | |
| 8326 /* | |
| 8327 * Remove existing autocommands. | |
| 8328 * If adding any new autocmd's for this AutoPat, don't | |
| 8329 * delete the pattern from the autopat list, append to | |
| 8330 * this list. | |
| 8331 */ | |
| 8332 if (forceit) | |
| 8333 { | |
| 8334 if (*cmd != NUL && ap->next == NULL) | |
| 8335 { | |
| 8336 au_remove_cmds(ap); | |
| 8337 break; | |
| 8338 } | |
| 8339 au_remove_pat(ap); | |
| 8340 } | |
| 8341 | |
| 8342 /* | |
| 40 | 8343 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8344 */ |
| 8345 else if (*cmd == NUL) | |
| 8346 show_autocmd(ap, event); | |
| 8347 | |
| 8348 /* | |
| 8349 * Add autocmd to this autopat, if it's the last one. | |
| 8350 */ | |
| 8351 else if (ap->next == NULL) | |
| 8352 break; | |
| 8353 } | |
| 8354 } | |
| 8355 prev_ap = &ap->next; | |
| 8356 } | |
| 8357 | |
| 8358 /* | |
| 8359 * Add a new command. | |
| 8360 */ | |
| 8361 if (*cmd != NUL) | |
| 8362 { | |
| 8363 /* | |
| 8364 * If the pattern we want to add a command to does appear at the | |
| 8365 * end of the list (or not is not in the list at all), add the | |
| 8366 * pattern at the end of the list. | |
| 8367 */ | |
| 8368 if (ap == NULL) | |
| 8369 { | |
| 40 | 8370 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8371 if (is_buflocal && (buflocal_nr == 0 | |
| 8372 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8373 { | |
| 8374 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8375 buflocal_nr); | |
| 8376 return FAIL; | |
| 8377 } | |
| 8378 | |
| 7 | 8379 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8380 if (ap == NULL) | |
| 8381 return FAIL; | |
| 8382 ap->pat = vim_strnsave(pat, patlen); | |
| 8383 ap->patlen = patlen; | |
| 8384 if (ap->pat == NULL) | |
| 8385 { | |
| 8386 vim_free(ap); | |
| 8387 return FAIL; | |
| 8388 } | |
| 40 | 8389 |
| 8390 if (is_buflocal) | |
| 8391 { | |
| 8392 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8393 ap->reg_prog = NULL; |
| 40 | 8394 } |
| 8395 else | |
| 7 | 8396 { |
| 153 | 8397 char_u *reg_pat; |
| 8398 | |
| 40 | 8399 ap->buflocal_nr = 0; |
| 153 | 8400 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8401 &ap->allow_dirs, TRUE); |
| 153 | 8402 if (reg_pat != NULL) |
| 8403 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8404 vim_free(reg_pat); |
| 153 | 8405 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8406 { |
| 8407 vim_free(ap->pat); | |
| 8408 vim_free(ap); | |
| 8409 return FAIL; | |
| 8410 } | |
| 7 | 8411 } |
| 8412 ap->cmds = NULL; | |
| 8413 *prev_ap = ap; | |
| 8414 ap->next = NULL; | |
| 8415 if (group == AUGROUP_ALL) | |
| 8416 ap->group = current_augroup; | |
| 8417 else | |
| 8418 ap->group = group; | |
| 8419 } | |
| 8420 | |
| 8421 /* | |
| 8422 * Add the autocmd at the end of the AutoCmd list. | |
| 8423 */ | |
| 8424 prev_ac = &(ap->cmds); | |
| 8425 while ((ac = *prev_ac) != NULL) | |
| 8426 prev_ac = &ac->next; | |
| 8427 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8428 if (ac == NULL) | |
| 8429 return FAIL; | |
| 8430 ac->cmd = vim_strsave(cmd); | |
| 8431 #ifdef FEAT_EVAL | |
| 8432 ac->scriptID = current_SID; | |
| 8433 #endif | |
| 8434 if (ac->cmd == NULL) | |
| 8435 { | |
| 8436 vim_free(ac); | |
| 8437 return FAIL; | |
| 8438 } | |
| 8439 ac->next = NULL; | |
| 8440 *prev_ac = ac; | |
| 8441 ac->nested = nested; | |
| 8442 } | |
| 8443 } | |
| 8444 | |
| 8445 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8446 return OK; | |
| 8447 } | |
| 8448 | |
| 8449 /* | |
| 8450 * Implementation of ":doautocmd [group] event [fname]". | |
| 8451 * Return OK for success, FAIL for failure; | |
| 8452 */ | |
| 8453 int | |
| 8454 do_doautocmd(arg, do_msg) | |
| 8455 char_u *arg; | |
| 8456 int do_msg; /* give message for no matching autocmds? */ | |
| 8457 { | |
| 8458 char_u *fname; | |
| 8459 int nothing_done = TRUE; | |
| 8460 int group; | |
| 8461 | |
| 8462 /* | |
| 8463 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8464 */ | |
| 8465 group = au_get_grouparg(&arg); | |
| 8466 if (arg == NULL) /* out of memory */ | |
| 8467 return FAIL; | |
| 8468 | |
| 8469 if (*arg == '*') | |
| 8470 { | |
| 8471 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8472 return FAIL; | |
| 8473 } | |
| 8474 | |
| 8475 /* | |
| 8476 * Scan over the events. | |
| 8477 * If we find an illegal name, return here, don't do anything. | |
| 8478 */ | |
| 8479 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8480 if (fname == NULL) | |
| 8481 return FAIL; | |
| 8482 | |
| 8483 fname = skipwhite(fname); | |
| 8484 | |
| 8485 /* | |
| 8486 * Loop over the events. | |
| 8487 */ | |
| 8488 while (*arg && !vim_iswhite(*arg)) | |
| 8489 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8490 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8491 nothing_done = FALSE; | |
| 8492 | |
| 8493 if (nothing_done && do_msg) | |
| 8494 MSG(_("No matching autocommands")); | |
| 8495 | |
| 8496 #ifdef FEAT_EVAL | |
| 8497 return aborting() ? FAIL : OK; | |
| 8498 #else | |
| 8499 return OK; | |
| 8500 #endif | |
| 8501 } | |
| 8502 | |
| 8503 /* | |
| 8504 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8505 */ | |
| 8506 void | |
| 8507 ex_doautoall(eap) | |
| 8508 exarg_T *eap; | |
| 8509 { | |
| 8510 int retval; | |
| 8511 aco_save_T aco; | |
| 8512 buf_T *buf; | |
| 8513 | |
| 8514 /* | |
| 8515 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8516 * equal to curbuf, but for some buffers there may not be a window. | |
| 8517 * So we change the buffer for the current window for a moment. This | |
| 8518 * gives problems when the autocommands make changes to the list of | |
| 8519 * buffers or windows... | |
| 8520 */ | |
| 8521 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8522 { | |
| 1665 | 8523 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8524 { |
| 8525 /* find a window for this buffer and save some values */ | |
| 8526 aucmd_prepbuf(&aco, buf); | |
| 8527 | |
| 8528 /* execute the autocommands for this buffer */ | |
| 8529 retval = do_doautocmd(eap->arg, FALSE); | |
| 1113 | 8530 |
| 8531 /* Execute the modeline settings, but don't set window-local | |
| 8532 * options if we are using the current window for another buffer. */ | |
| 1906 | 8533 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
| 7 | 8534 |
| 8535 /* restore the current window */ | |
| 8536 aucmd_restbuf(&aco); | |
| 8537 | |
| 8538 /* stop if there is some error or buffer was deleted */ | |
| 8539 if (retval == FAIL || !buf_valid(buf)) | |
| 8540 break; | |
| 8541 } | |
| 8542 } | |
| 8543 | |
| 8544 check_cursor(); /* just in case lines got deleted */ | |
| 8545 } | |
| 8546 | |
| 8547 /* | |
| 8548 * Prepare for executing autocommands for (hidden) buffer "buf". | |
| 1906 | 8549 * Search for a visible window containing the current buffer. If there isn't |
| 8550 * one then use "aucmd_win". | |
| 7 | 8551 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8552 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8553 */ |
| 8554 void | |
| 8555 aucmd_prepbuf(aco, buf) | |
| 8556 aco_save_T *aco; /* structure to save values in */ | |
| 8557 buf_T *buf; /* new curbuf */ | |
| 8558 { | |
| 8559 win_T *win; | |
| 1906 | 8560 #ifdef FEAT_WINDOWS |
| 8561 int save_ea; | |
| 8562 #endif | |
| 7 | 8563 |
| 8564 /* Find a window that is for the new buffer */ | |
| 8565 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8566 win = curwin; | |
| 8567 else | |
| 8568 #ifdef FEAT_WINDOWS | |
| 8569 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8570 if (win->w_buffer == buf) | |
| 8571 break; | |
| 8572 #else | |
| 8573 win = NULL; | |
| 8574 #endif | |
| 8575 | |
| 1906 | 8576 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8577 * back to using the current window. */ | |
| 8578 if (win == NULL && aucmd_win == NULL) | |
| 8579 { | |
| 8580 win_alloc_aucmd_win(); | |
| 8581 if (aucmd_win == NULL) | |
| 8582 win = curwin; | |
| 8583 } | |
| 1944 | 8584 if (win == NULL && aucmd_win_used) |
| 8585 /* Strange recursive autocommand, fall back to using the current | |
| 8586 * window. Expect a few side effects... */ | |
| 8587 win = curwin; | |
| 1906 | 8588 |
| 8589 aco->save_curwin = curwin; | |
| 8590 aco->save_curbuf = curbuf; | |
| 7 | 8591 if (win != NULL) |
| 8592 { | |
| 1906 | 8593 /* There is a window for "buf" in the current tab page, make it the |
| 8594 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8595 * "buf" is curbuf). */ | |
| 1944 | 8596 aco->use_aucmd_win = FALSE; |
| 7 | 8597 curwin = win; |
| 8598 } | |
| 8599 else | |
| 8600 { | |
| 1906 | 8601 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 8602 * effects, insert it in a the current tab page. | |
| 8603 * Anything related to a window (e.g., setting folds) may have | |
| 8604 * unexpected results. */ | |
| 1944 | 8605 aco->use_aucmd_win = TRUE; |
| 8606 aucmd_win_used = TRUE; | |
| 1918 | 8607 aucmd_win->w_buffer = buf; |
| 7 | 8608 ++buf->b_nwindows; |
| 1918 | 8609 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8610 vim_free(aucmd_win->w_localdir); |
| 8611 aucmd_win->w_localdir = NULL; | |
| 8612 | |
| 8613 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8614 * win_enter_ext(). */ | |
| 8615 aucmd_win->w_localdir = NULL; | |
| 8616 aco->globaldir = globaldir; | |
| 8617 globaldir = NULL; | |
| 8618 | |
| 7 | 8619 |
| 1906 | 8620 #ifdef FEAT_WINDOWS |
| 1923 | 8621 /* Split the current window, put the aucmd_win in the upper half. |
| 8622 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8623 block_autocmds(); | |
| 1906 | 8624 make_snapshot(SNAP_AUCMD_IDX); |
| 8625 save_ea = p_ea; | |
| 8626 p_ea = FALSE; | |
| 8627 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
| 8628 (void)win_comp_pos(); /* recompute window positions */ | |
| 8629 p_ea = save_ea; | |
| 1923 | 8630 unblock_autocmds(); |
| 1906 | 8631 #endif |
| 1918 | 8632 curwin = aucmd_win; |
| 1906 | 8633 } |
| 7 | 8634 curbuf = buf; |
| 1906 | 8635 aco->new_curwin = curwin; |
| 8636 aco->new_curbuf = curbuf; | |
| 7 | 8637 } |
| 8638 | |
| 8639 /* | |
| 8640 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8641 * Restore the window as it was (if possible). | |
| 934 | 8642 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8643 */ |
| 8644 void | |
| 8645 aucmd_restbuf(aco) | |
| 8646 aco_save_T *aco; /* structure holding saved values */ | |
| 8647 { | |
| 1906 | 8648 #ifdef FEAT_WINDOWS |
| 8649 int dummy; | |
| 8650 #endif | |
| 8651 | |
| 1944 | 8652 if (aco->use_aucmd_win) |
| 1906 | 8653 { |
| 8654 --curbuf->b_nwindows; | |
| 8655 #ifdef FEAT_WINDOWS | |
| 8656 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8657 * page. Do not trigger autocommands here. */ |
| 8658 block_autocmds(); | |
| 1906 | 8659 if (curwin != aucmd_win) |
| 8660 { | |
| 8661 tabpage_T *tp; | |
| 8662 win_T *wp; | |
| 8663 | |
| 8664 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8665 { | |
| 8666 if (wp == aucmd_win) | |
| 8667 { | |
| 8668 if (tp != curtab) | |
| 8669 goto_tabpage_tp(tp); | |
| 8670 win_goto(aucmd_win); | |
| 8671 break; | |
| 8672 } | |
| 8673 } | |
| 8674 } | |
| 8675 | |
| 8676 /* Remove the window and frame from the tree of frames. */ | |
| 8677 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8678 win_remove(curwin, NULL); | |
| 1944 | 8679 aucmd_win_used = FALSE; |
| 1906 | 8680 last_status(FALSE); /* may need to remove last status line */ |
| 8681 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8682 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8683 unblock_autocmds(); |
| 1906 | 8684 |
| 8685 if (win_valid(aco->save_curwin)) | |
| 8686 curwin = aco->save_curwin; | |
| 8687 else | |
| 8688 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8689 curwin = firstwin; | |
| 8690 # ifdef FEAT_EVAL | |
| 8691 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
| 2001 | 8692 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
| 1906 | 8693 # endif |
| 8694 #else | |
| 8695 curwin = aco->save_curwin; | |
| 8696 #endif | |
| 8697 curbuf = curwin->w_buffer; | |
| 8698 | |
| 1944 | 8699 vim_free(globaldir); |
| 8700 globaldir = aco->globaldir; | |
| 8701 | |
| 1906 | 8702 /* the buffer contents may have changed */ |
| 8703 check_cursor(); | |
| 8704 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8705 { | |
| 8706 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8707 #ifdef FEAT_DIFF | |
| 8708 curwin->w_topfill = 0; | |
| 8709 #endif | |
| 8710 } | |
| 8711 #if defined(FEAT_GUI) | |
| 8712 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8713 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8714 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8715 gui_may_update_scrollbars(); | |
| 8716 #endif | |
| 8717 } | |
| 8718 else | |
| 7 | 8719 { |
| 8720 /* restore curwin */ | |
| 8721 #ifdef FEAT_WINDOWS | |
| 8722 if (win_valid(aco->save_curwin)) | |
| 8723 #endif | |
| 8724 { | |
| 1906 | 8725 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8726 * it was changed, we are still the same window and the buffer is |
| 1906 | 8727 * valid. */ |
| 7 | 8728 if (curwin == aco->new_curwin |
| 1906 | 8729 && curbuf != aco->new_curbuf |
| 8730 && buf_valid(aco->new_curbuf) | |
| 8731 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8732 { |
| 8733 --curbuf->b_nwindows; | |
| 1906 | 8734 curbuf = aco->new_curbuf; |
| 7 | 8735 curwin->w_buffer = curbuf; |
| 8736 ++curbuf->b_nwindows; | |
| 8737 } | |
| 8738 | |
| 8739 curwin = aco->save_curwin; | |
| 8740 curbuf = curwin->w_buffer; | |
| 8741 } | |
| 8742 } | |
| 8743 } | |
| 8744 | |
| 8745 static int autocmd_nested = FALSE; | |
| 8746 | |
| 8747 /* | |
| 8748 * Execute autocommands for "event" and file name "fname". | |
| 8749 * Return TRUE if some commands were executed. | |
| 8750 */ | |
| 8751 int | |
| 8752 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 8753 event_T event; |
| 7 | 8754 char_u *fname; /* NULL or empty means use actual file name */ |
| 8755 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8756 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8757 buf_T *buf; /* buffer for <abuf> */ | |
| 8758 { | |
| 8759 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8760 AUGROUP_ALL, buf, NULL); | |
| 8761 } | |
| 8762 | |
| 8763 /* | |
| 8764 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 8765 * setting v:filearg. | |
| 8766 */ | |
| 8767 static int | |
| 8768 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 8769 event_T event; |
| 7 | 8770 char_u *fname; |
| 8771 char_u *fname_io; | |
| 8772 int force; | |
| 8773 buf_T *buf; | |
| 8774 exarg_T *eap; | |
| 8775 { | |
| 8776 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8777 AUGROUP_ALL, buf, eap); | |
| 8778 } | |
| 8779 | |
| 8780 /* | |
| 8781 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 8782 * processing is being aborted or if retval is FAIL when inside a try | |
| 8783 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 8784 * cause the script to be aborted, retval is set to FAIL. | |
| 8785 */ | |
| 8786 int | |
| 8787 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 8788 event_T event; |
| 7 | 8789 char_u *fname; /* NULL or empty means use actual file name */ |
| 8790 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8791 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8792 buf_T *buf; /* buffer for <abuf> */ | |
| 8793 int *retval; /* pointer to caller's retval */ | |
| 8794 { | |
| 8795 int did_cmd; | |
| 8796 | |
| 532 | 8797 #ifdef FEAT_EVAL |
| 7 | 8798 if (should_abort(*retval)) |
| 8799 return FALSE; | |
| 532 | 8800 #endif |
| 7 | 8801 |
| 8802 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 8803 AUGROUP_ALL, buf, NULL); | |
| 532 | 8804 if (did_cmd |
| 8805 #ifdef FEAT_EVAL | |
| 8806 && aborting() | |
| 8807 #endif | |
| 8808 ) | |
| 7 | 8809 *retval = FAIL; |
| 8810 return did_cmd; | |
| 8811 } | |
| 8812 | |
| 609 | 8813 /* |
| 8814 * Return TRUE when there is a CursorHold autocommand defined. | |
| 8815 */ | |
| 7 | 8816 int |
| 8817 has_cursorhold() | |
| 8818 { | |
| 661 | 8819 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 8820 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 8821 } |
| 609 | 8822 |
| 8823 /* | |
| 8824 * Return TRUE if the CursorHold event can be triggered. | |
| 8825 */ | |
| 8826 int | |
| 8827 trigger_cursorhold() | |
| 8828 { | |
| 661 | 8829 int state; |
| 8830 | |
| 978 | 8831 if (!did_cursorhold && has_cursorhold() && !Recording |
| 8832 #ifdef FEAT_INS_EXPAND | |
| 8833 && !ins_compl_active() | |
| 8834 #endif | |
| 8835 ) | |
| 661 | 8836 { |
| 8837 state = get_real_state(); | |
| 8838 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 8839 return TRUE; | |
| 8840 } | |
| 8841 return FALSE; | |
| 609 | 8842 } |
| 661 | 8843 |
| 8844 /* | |
| 8845 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 8846 */ | |
| 8847 int | |
| 8848 has_cursormoved() | |
| 8849 { | |
| 8850 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 8851 } | |
| 8852 | |
| 8853 /* | |
| 8854 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 8855 */ | |
| 8856 int | |
| 8857 has_cursormovedI() | |
| 8858 { | |
| 8859 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 8860 } | |
| 7 | 8861 |
| 8862 static int | |
| 8863 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 8864 event_T event; |
| 7 | 8865 char_u *fname; /* NULL or empty means use actual file name */ |
| 8866 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 8867 use fname */ | |
| 8868 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8869 int group; /* group ID, or AUGROUP_ALL */ | |
| 8870 buf_T *buf; /* buffer for <abuf> */ | |
| 8871 exarg_T *eap; /* command arguments */ | |
| 8872 { | |
| 8873 char_u *sfname = NULL; /* short file name */ | |
| 8874 char_u *tail; | |
| 8875 int save_changed; | |
| 8876 buf_T *old_curbuf; | |
| 8877 int retval = FALSE; | |
| 8878 char_u *save_sourcing_name; | |
| 8879 linenr_T save_sourcing_lnum; | |
| 8880 char_u *save_autocmd_fname; | |
| 1723 | 8881 int save_autocmd_fname_full; |
| 7 | 8882 int save_autocmd_bufnr; |
| 8883 char_u *save_autocmd_match; | |
| 8884 int save_autocmd_busy; | |
| 8885 int save_autocmd_nested; | |
| 8886 static int nesting = 0; | |
| 8887 AutoPatCmd patcmd; | |
| 8888 AutoPat *ap; | |
| 8889 #ifdef FEAT_EVAL | |
| 8890 scid_T save_current_SID; | |
| 8891 void *save_funccalp; | |
| 8892 char_u *save_cmdarg; | |
| 8893 long save_cmdbang; | |
| 8894 #endif | |
| 8895 static int filechangeshell_busy = FALSE; | |
| 170 | 8896 #ifdef FEAT_PROFILE |
| 8897 proftime_T wait_time; | |
| 8898 #endif | |
| 7 | 8899 |
| 8900 /* | |
| 8901 * Quickly return if there are no autocommands for this event or | |
| 8902 * autocommands are blocked. | |
| 8903 */ | |
| 1410 | 8904 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 8905 goto BYPASS_AU; |
| 7 | 8906 |
| 8907 /* | |
| 8908 * When autocommands are busy, new autocommands are only executed when | |
| 8909 * explicitly enabled with the "nested" flag. | |
| 8910 */ | |
| 8911 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 8912 goto BYPASS_AU; |
| 7 | 8913 |
| 8914 #ifdef FEAT_EVAL | |
| 8915 /* | |
| 1201 | 8916 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 8917 * occurred or an exception was thrown but not caught. |
| 8918 */ | |
| 8919 if (aborting()) | |
| 40 | 8920 goto BYPASS_AU; |
| 7 | 8921 #endif |
| 8922 | |
| 8923 /* | |
| 8924 * FileChangedShell never nests, because it can create an endless loop. | |
| 8925 */ | |
| 765 | 8926 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 8927 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 8928 goto BYPASS_AU; |
| 7 | 8929 |
| 8930 /* | |
| 8931 * Ignore events in 'eventignore'. | |
| 8932 */ | |
| 8933 if (event_ignored(event)) | |
| 40 | 8934 goto BYPASS_AU; |
| 7 | 8935 |
| 8936 /* | |
| 8937 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 8938 * possible to create an endless loop. | |
| 8939 */ | |
| 8940 if (nesting == 10) | |
| 8941 { | |
| 8942 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 8943 goto BYPASS_AU; |
| 7 | 8944 } |
| 8945 | |
| 8946 /* | |
| 8947 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 8948 * ":ball". | |
| 8949 */ | |
| 8950 if ( (autocmd_no_enter | |
| 8951 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 8952 || (autocmd_no_leave | |
| 8953 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 8954 goto BYPASS_AU; |
| 7 | 8955 |
| 8956 /* | |
| 8957 * Save the autocmd_* variables and info about the current buffer. | |
| 8958 */ | |
| 8959 save_autocmd_fname = autocmd_fname; | |
| 1723 | 8960 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 8961 save_autocmd_bufnr = autocmd_bufnr; |
| 8962 save_autocmd_match = autocmd_match; | |
| 8963 save_autocmd_busy = autocmd_busy; | |
| 8964 save_autocmd_nested = autocmd_nested; | |
| 8965 save_changed = curbuf->b_changed; | |
| 8966 old_curbuf = curbuf; | |
| 8967 | |
| 8968 /* | |
| 8969 * Set the file name to be used for <afile>. | |
| 1471 | 8970 * Make a copy to avoid that changing a buffer name or directory makes it |
| 8971 * invalid. | |
| 7 | 8972 */ |
| 8973 if (fname_io == NULL) | |
| 8974 { | |
| 8975 if (fname != NULL && *fname != NUL) | |
| 8976 autocmd_fname = fname; | |
| 8977 else if (buf != NULL) | |
| 1723 | 8978 autocmd_fname = buf->b_ffname; |
| 7 | 8979 else |
| 8980 autocmd_fname = NULL; | |
| 8981 } | |
| 8982 else | |
| 8983 autocmd_fname = fname_io; | |
| 1471 | 8984 if (autocmd_fname != NULL) |
| 1723 | 8985 autocmd_fname = vim_strsave(autocmd_fname); |
| 8986 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 8987 |
| 8988 /* | |
| 8989 * Set the buffer number to be used for <abuf>. | |
| 8990 */ | |
| 8991 if (buf == NULL) | |
| 8992 autocmd_bufnr = 0; | |
| 8993 else | |
| 8994 autocmd_bufnr = buf->b_fnum; | |
| 8995 | |
| 8996 /* | |
| 8997 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 8998 * Always use the full path of the file name to match with, in case | |
| 8999 * "allow_dirs" is set. | |
| 9000 */ | |
| 9001 if (fname == NULL || *fname == NUL) | |
| 9002 { | |
| 9003 if (buf == NULL) | |
| 9004 fname = NULL; | |
| 9005 else | |
| 9006 { | |
| 9007 #ifdef FEAT_SYN_HL | |
| 9008 if (event == EVENT_SYNTAX) | |
| 9009 fname = buf->b_p_syn; | |
| 9010 else | |
| 9011 #endif | |
| 9012 if (event == EVENT_FILETYPE) | |
| 9013 fname = buf->b_p_ft; | |
| 9014 else | |
| 9015 { | |
| 9016 if (buf->b_sfname != NULL) | |
| 9017 sfname = vim_strsave(buf->b_sfname); | |
| 9018 fname = buf->b_ffname; | |
| 9019 } | |
| 9020 } | |
| 9021 if (fname == NULL) | |
| 9022 fname = (char_u *)""; | |
| 9023 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 9024 } | |
| 9025 else | |
| 9026 { | |
| 9027 sfname = vim_strsave(fname); | |
| 1867 | 9028 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 9029 * QuickFixCmd* */ | |
| 161 | 9030 if (event == EVENT_FILETYPE |
| 9031 || event == EVENT_SYNTAX | |
| 1867 | 9032 || event == EVENT_FUNCUNDEFINED |
| 161 | 9033 || event == EVENT_REMOTEREPLY |
| 649 | 9034 || event == EVENT_SPELLFILEMISSING |
| 161 | 9035 || event == EVENT_QUICKFIXCMDPRE |
| 9036 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 9037 fname = vim_strsave(fname); |
| 9038 else | |
| 9039 fname = FullName_save(fname, FALSE); | |
| 9040 } | |
| 9041 if (fname == NULL) /* out of memory */ | |
| 9042 { | |
| 9043 vim_free(sfname); | |
| 40 | 9044 retval = FALSE; |
| 9045 goto BYPASS_AU; | |
| 7 | 9046 } |
| 9047 | |
| 9048 #ifdef BACKSLASH_IN_FILENAME | |
| 9049 /* | |
| 9050 * Replace all backslashes with forward slashes. This makes the | |
| 9051 * autocommand patterns portable between Unix and MS-DOS. | |
| 9052 */ | |
| 9053 if (sfname != NULL) | |
| 9054 forward_slash(sfname); | |
| 9055 forward_slash(fname); | |
| 9056 #endif | |
| 9057 | |
| 9058 #ifdef VMS | |
| 9059 /* remove version for correct match */ | |
| 9060 if (sfname != NULL) | |
| 9061 vms_remove_version(sfname); | |
| 9062 vms_remove_version(fname); | |
| 9063 #endif | |
| 9064 | |
| 9065 /* | |
| 9066 * Set the name to be used for <amatch>. | |
| 9067 */ | |
| 9068 autocmd_match = fname; | |
| 9069 | |
| 9070 | |
| 9071 /* Don't redraw while doing auto commands. */ | |
| 9072 ++RedrawingDisabled; | |
| 9073 save_sourcing_name = sourcing_name; | |
| 9074 sourcing_name = NULL; /* don't free this one */ | |
| 9075 save_sourcing_lnum = sourcing_lnum; | |
| 9076 sourcing_lnum = 0; /* no line number here */ | |
| 9077 | |
| 9078 #ifdef FEAT_EVAL | |
| 9079 save_current_SID = current_SID; | |
| 9080 | |
| 170 | 9081 # ifdef FEAT_PROFILE |
| 788 | 9082 if (do_profiling == PROF_YES) |
| 170 | 9083 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9084 # endif | |
| 9085 | |
| 7 | 9086 /* Don't use local function variables, if called from a function */ |
| 9087 save_funccalp = save_funccal(); | |
| 9088 #endif | |
| 9089 | |
| 9090 /* | |
| 9091 * When starting to execute autocommands, save the search patterns. | |
| 9092 */ | |
| 9093 if (!autocmd_busy) | |
| 9094 { | |
| 9095 save_search_patterns(); | |
| 9096 saveRedobuff(); | |
| 9097 did_filetype = keep_filetype; | |
| 9098 } | |
| 9099 | |
| 9100 /* | |
| 9101 * Note that we are applying autocmds. Some commands need to know. | |
| 9102 */ | |
| 9103 autocmd_busy = TRUE; | |
| 9104 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9105 ++nesting; /* see matching decrement below */ | |
| 9106 | |
| 9107 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9108 if (event == EVENT_FILETYPE) | |
| 9109 did_filetype = TRUE; | |
| 9110 | |
| 9111 tail = gettail(fname); | |
| 9112 | |
| 9113 /* Find first autocommand that matches */ | |
| 9114 patcmd.curpat = first_autopat[(int)event]; | |
| 9115 patcmd.nextcmd = NULL; | |
| 9116 patcmd.group = group; | |
| 9117 patcmd.fname = fname; | |
| 9118 patcmd.sfname = sfname; | |
| 9119 patcmd.tail = tail; | |
| 9120 patcmd.event = event; | |
| 40 | 9121 patcmd.arg_bufnr = autocmd_bufnr; |
| 9122 patcmd.next = NULL; | |
| 7 | 9123 auto_next_pat(&patcmd, FALSE); |
| 9124 | |
| 9125 /* found one, start executing the autocommands */ | |
| 9126 if (patcmd.curpat != NULL) | |
| 9127 { | |
| 40 | 9128 /* add to active_apc_list */ |
| 9129 patcmd.next = active_apc_list; | |
| 9130 active_apc_list = &patcmd; | |
| 9131 | |
| 7 | 9132 #ifdef FEAT_EVAL |
| 9133 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9134 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9135 if (eap != NULL) | |
| 9136 { | |
| 9137 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9138 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9139 } | |
| 9140 else | |
| 9141 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9142 #endif | |
| 9143 retval = TRUE; | |
| 9144 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9145 * are added when executing autocommands */ | |
| 9146 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9147 ap->last = FALSE; | |
| 9148 ap->last = TRUE; | |
| 9149 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9150 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9151 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9152 #ifdef FEAT_EVAL | |
| 9153 if (eap != NULL) | |
| 9154 { | |
| 9155 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9156 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9157 } | |
| 9158 #endif | |
| 40 | 9159 /* delete from active_apc_list */ |
| 9160 if (active_apc_list == &patcmd) /* just in case */ | |
| 9161 active_apc_list = patcmd.next; | |
| 7 | 9162 } |
| 9163 | |
| 9164 --RedrawingDisabled; | |
| 9165 autocmd_busy = save_autocmd_busy; | |
| 9166 filechangeshell_busy = FALSE; | |
| 9167 autocmd_nested = save_autocmd_nested; | |
| 9168 vim_free(sourcing_name); | |
| 9169 sourcing_name = save_sourcing_name; | |
| 9170 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9171 vim_free(autocmd_fname); |
| 7 | 9172 autocmd_fname = save_autocmd_fname; |
| 1723 | 9173 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9174 autocmd_bufnr = save_autocmd_bufnr; |
| 9175 autocmd_match = save_autocmd_match; | |
| 9176 #ifdef FEAT_EVAL | |
| 9177 current_SID = save_current_SID; | |
| 9178 restore_funccal(save_funccalp); | |
| 170 | 9179 # ifdef FEAT_PROFILE |
| 788 | 9180 if (do_profiling == PROF_YES) |
| 170 | 9181 prof_child_exit(&wait_time); |
| 9182 # endif | |
| 7 | 9183 #endif |
| 9184 vim_free(fname); | |
| 9185 vim_free(sfname); | |
| 9186 --nesting; /* see matching increment above */ | |
| 9187 | |
| 9188 /* | |
| 9189 * When stopping to execute autocommands, restore the search patterns and | |
| 9190 * the redo buffer. | |
| 9191 */ | |
| 9192 if (!autocmd_busy) | |
| 9193 { | |
| 9194 restore_search_patterns(); | |
| 9195 restoreRedobuff(); | |
| 9196 did_filetype = FALSE; | |
| 9197 } | |
| 9198 | |
| 9199 /* | |
| 9200 * Some events don't set or reset the Changed flag. | |
| 9201 * Check if still in the same buffer! | |
| 9202 */ | |
| 9203 if (curbuf == old_curbuf | |
| 9204 && (event == EVENT_BUFREADPOST | |
| 9205 || event == EVENT_BUFWRITEPOST | |
| 9206 || event == EVENT_FILEAPPENDPOST | |
| 9207 || event == EVENT_VIMLEAVE | |
| 9208 || event == EVENT_VIMLEAVEPRE)) | |
| 9209 { | |
| 9210 #ifdef FEAT_TITLE | |
| 9211 if (curbuf->b_changed != save_changed) | |
| 9212 need_maketitle = TRUE; | |
| 9213 #endif | |
| 9214 curbuf->b_changed = save_changed; | |
| 9215 } | |
| 9216 | |
| 9217 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9218 |
| 9219 BYPASS_AU: | |
| 9220 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9221 * are deleted. */ | |
| 9222 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9223 aubuflocal_remove(buf); | |
| 9224 | |
| 7 | 9225 return retval; |
| 9226 } | |
| 9227 | |
| 1410 | 9228 # ifdef FEAT_EVAL |
| 9229 static char_u *old_termresponse = NULL; | |
| 9230 # endif | |
| 9231 | |
| 9232 /* | |
| 9233 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9234 * Can be used recursively, so long as it's symmetric. | |
| 9235 */ | |
| 9236 void | |
| 9237 block_autocmds() | |
| 9238 { | |
| 9239 # ifdef FEAT_EVAL | |
| 9240 /* Remember the value of v:termresponse. */ | |
| 9241 if (autocmd_blocked == 0) | |
| 9242 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9243 # endif | |
| 9244 ++autocmd_blocked; | |
| 9245 } | |
| 9246 | |
| 9247 void | |
| 9248 unblock_autocmds() | |
| 9249 { | |
| 9250 --autocmd_blocked; | |
| 9251 | |
| 9252 # ifdef FEAT_EVAL | |
| 9253 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9254 * the autocommands now. Esp. useful when executing a shell command | |
| 9255 * during startup (vimdiff). */ | |
| 9256 if (autocmd_blocked == 0 | |
| 9257 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9258 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9259 # endif | |
| 9260 } | |
| 9261 | |
| 7 | 9262 /* |
| 9263 * Find next autocommand pattern that matches. | |
| 9264 */ | |
| 9265 static void | |
| 9266 auto_next_pat(apc, stop_at_last) | |
| 9267 AutoPatCmd *apc; | |
| 9268 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9269 { | |
| 9270 AutoPat *ap; | |
| 9271 AutoCmd *cp; | |
| 9272 char_u *name; | |
| 9273 char *s; | |
| 9274 | |
| 9275 vim_free(sourcing_name); | |
| 9276 sourcing_name = NULL; | |
| 9277 | |
| 9278 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9279 { | |
| 9280 apc->curpat = NULL; | |
| 9281 | |
| 1723 | 9282 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9283 * the group matches. For buffer-local autocommands only check the |
| 9284 * buffer number. */ | |
| 7 | 9285 if (ap->pat != NULL && ap->cmds != NULL |
| 9286 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9287 { | |
| 40 | 9288 /* execution-condition */ |
| 9289 if (ap->buflocal_nr == 0 | |
| 153 | 9290 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9291 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9292 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9293 { |
| 9294 name = event_nr2name(apc->event); | |
| 9295 s = _("%s Auto commands for \"%s\""); | |
| 9296 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9297 + STRLEN(name) + ap->patlen + 1)); | |
| 9298 if (sourcing_name != NULL) | |
| 9299 { | |
| 9300 sprintf((char *)sourcing_name, s, | |
| 9301 (char *)name, (char *)ap->pat); | |
| 9302 if (p_verbose >= 8) | |
| 292 | 9303 { |
| 9304 verbose_enter(); | |
| 273 | 9305 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9306 verbose_leave(); |
| 9307 } | |
| 7 | 9308 } |
| 9309 | |
| 9310 apc->curpat = ap; | |
| 9311 apc->nextcmd = ap->cmds; | |
| 9312 /* mark last command */ | |
| 9313 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9314 cp->last = FALSE; | |
| 9315 cp->last = TRUE; | |
| 9316 } | |
| 9317 line_breakcheck(); | |
| 9318 if (apc->curpat != NULL) /* found a match */ | |
| 9319 break; | |
| 9320 } | |
| 9321 if (stop_at_last && ap->last) | |
| 9322 break; | |
| 9323 } | |
| 9324 } | |
| 9325 | |
| 9326 /* | |
| 9327 * Get next autocommand command. | |
| 9328 * Called by do_cmdline() to get the next line for ":if". | |
| 9329 * Returns allocated string, or NULL for end of autocommands. | |
| 9330 */ | |
| 9331 static char_u * | |
| 9332 getnextac(c, cookie, indent) | |
| 1880 | 9333 int c UNUSED; |
| 7 | 9334 void *cookie; |
| 1880 | 9335 int indent UNUSED; |
| 7 | 9336 { |
| 9337 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9338 char_u *retval; | |
| 9339 AutoCmd *ac; | |
| 9340 | |
| 9341 /* Can be called again after returning the last line. */ | |
| 9342 if (acp->curpat == NULL) | |
| 9343 return NULL; | |
| 9344 | |
| 9345 /* repeat until we find an autocommand to execute */ | |
| 9346 for (;;) | |
| 9347 { | |
| 9348 /* skip removed commands */ | |
| 9349 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9350 if (acp->nextcmd->last) | |
| 9351 acp->nextcmd = NULL; | |
| 9352 else | |
| 9353 acp->nextcmd = acp->nextcmd->next; | |
| 9354 | |
| 9355 if (acp->nextcmd != NULL) | |
| 9356 break; | |
| 9357 | |
| 9358 /* at end of commands, find next pattern that matches */ | |
| 9359 if (acp->curpat->last) | |
| 9360 acp->curpat = NULL; | |
| 9361 else | |
| 9362 acp->curpat = acp->curpat->next; | |
| 9363 if (acp->curpat != NULL) | |
| 9364 auto_next_pat(acp, TRUE); | |
| 9365 if (acp->curpat == NULL) | |
| 9366 return NULL; | |
| 9367 } | |
| 9368 | |
| 9369 ac = acp->nextcmd; | |
| 9370 | |
| 9371 if (p_verbose >= 9) | |
| 9372 { | |
| 292 | 9373 verbose_enter_scroll(); |
| 273 | 9374 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9375 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9376 verbose_leave_scroll(); |
| 7 | 9377 } |
| 9378 retval = vim_strsave(ac->cmd); | |
| 9379 autocmd_nested = ac->nested; | |
| 9380 #ifdef FEAT_EVAL | |
| 9381 current_SID = ac->scriptID; | |
| 9382 #endif | |
| 9383 if (ac->last) | |
| 9384 acp->nextcmd = NULL; | |
| 9385 else | |
| 9386 acp->nextcmd = ac->next; | |
| 9387 return retval; | |
| 9388 } | |
| 9389 | |
| 9390 /* | |
| 9391 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9392 * To account for buffer-local autocommands, function needs to know |
| 9393 * in which buffer the file will be opened. | |
| 7 | 9394 */ |
| 9395 int | |
| 40 | 9396 has_autocmd(event, sfname, buf) |
| 661 | 9397 event_T event; |
| 7 | 9398 char_u *sfname; |
| 40 | 9399 buf_T *buf; |
| 7 | 9400 { |
| 9401 AutoPat *ap; | |
| 9402 char_u *fname; | |
| 9403 char_u *tail = gettail(sfname); | |
| 9404 int retval = FALSE; | |
| 9405 | |
| 9406 fname = FullName_save(sfname, FALSE); | |
| 9407 if (fname == NULL) | |
| 9408 return FALSE; | |
| 9409 | |
| 9410 #ifdef BACKSLASH_IN_FILENAME | |
| 9411 /* | |
| 9412 * Replace all backslashes with forward slashes. This makes the | |
| 9413 * autocommand patterns portable between Unix and MS-DOS. | |
| 9414 */ | |
| 9415 sfname = vim_strsave(sfname); | |
| 9416 if (sfname != NULL) | |
| 9417 forward_slash(sfname); | |
| 9418 forward_slash(fname); | |
| 9419 #endif | |
| 9420 | |
| 9421 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9422 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9423 && (ap->buflocal_nr == 0 |
| 153 | 9424 ? match_file_pat(NULL, ap->reg_prog, |
| 9425 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9426 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9427 )) |
| 7 | 9428 { |
| 9429 retval = TRUE; | |
| 9430 break; | |
| 9431 } | |
| 9432 | |
| 9433 vim_free(fname); | |
| 9434 #ifdef BACKSLASH_IN_FILENAME | |
| 9435 vim_free(sfname); | |
| 9436 #endif | |
| 9437 | |
| 9438 return retval; | |
| 9439 } | |
| 9440 | |
| 9441 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9442 /* | |
| 9443 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9444 * names. | |
| 9445 */ | |
| 9446 char_u * | |
| 9447 get_augroup_name(xp, idx) | |
| 1880 | 9448 expand_T *xp UNUSED; |
| 7 | 9449 int idx; |
| 9450 { | |
| 9451 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9452 return (char_u *)"END"; | |
| 9453 if (idx >= augroups.ga_len) /* end of list */ | |
| 9454 return NULL; | |
| 9455 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9456 return (char_u *)""; | |
| 9457 return AUGROUP_NAME(idx); /* return a name */ | |
| 9458 } | |
| 9459 | |
| 9460 static int include_groups = FALSE; | |
| 9461 | |
| 9462 char_u * | |
| 9463 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9464 expand_T *xp; | |
| 9465 char_u *arg; | |
| 1733 | 9466 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9467 { |
| 9468 char_u *p; | |
| 9469 int group; | |
| 9470 | |
| 9471 /* check for a group name, skip it if present */ | |
| 9472 include_groups = FALSE; | |
| 9473 p = arg; | |
| 9474 group = au_get_grouparg(&arg); | |
| 9475 if (group == AUGROUP_ERROR) | |
| 9476 return NULL; | |
| 9477 /* If there only is a group name that's what we expand. */ | |
| 9478 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9479 { | |
| 9480 arg = p; | |
| 9481 group = AUGROUP_ALL; | |
| 9482 } | |
| 9483 | |
| 9484 /* skip over event name */ | |
| 9485 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9486 if (*p == ',') | |
| 9487 arg = p + 1; | |
| 9488 if (*p == NUL) | |
| 9489 { | |
| 9490 if (group == AUGROUP_ALL) | |
| 9491 include_groups = TRUE; | |
| 9492 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9493 xp->xp_pattern = arg; | |
| 9494 return NULL; | |
| 9495 } | |
| 9496 | |
| 9497 /* skip over pattern */ | |
| 9498 arg = skipwhite(p); | |
| 9499 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9500 arg++; | |
| 9501 if (*arg) | |
| 9502 return arg; /* expand (next) command */ | |
| 9503 | |
| 9504 if (doautocmd) | |
| 9505 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9506 else | |
| 9507 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9508 return NULL; | |
| 9509 } | |
| 9510 | |
| 9511 /* | |
| 9512 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9513 */ | |
| 9514 char_u * | |
| 9515 get_event_name(xp, idx) | |
| 1880 | 9516 expand_T *xp UNUSED; |
| 7 | 9517 int idx; |
| 9518 { | |
| 9519 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9520 { | |
| 9521 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9522 return (char_u *)""; /* skip deleted entries */ | |
| 9523 return AUGROUP_NAME(idx); /* return a name */ | |
| 9524 } | |
| 9525 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9526 } | |
| 9527 | |
| 9528 #endif /* FEAT_CMDL_COMPL */ | |
| 9529 | |
| 9530 /* | |
| 615 | 9531 * Return TRUE if autocmd is supported. |
| 9532 */ | |
| 9533 int | |
| 9534 autocmd_supported(name) | |
| 9535 char_u *name; | |
| 9536 { | |
| 9537 char_u *p; | |
| 9538 | |
| 9539 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9540 } | |
| 9541 | |
| 9542 /* | |
| 612 | 9543 * Return TRUE if an autocommand is defined for a group, event and |
| 9544 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9545 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9546 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9547 * Used for: | |
| 9548 * exists("#Group") or | |
| 9549 * exists("#Group#Event") or | |
| 9550 * exists("#Group#Event#pat") or | |
| 9551 * exists("#Event") or | |
| 9552 * exists("#Event#pat") | |
| 7 | 9553 */ |
| 9554 int | |
| 612 | 9555 au_exists(arg) |
| 9556 char_u *arg; | |
| 7 | 9557 { |
| 612 | 9558 char_u *arg_save; |
| 9559 char_u *pattern = NULL; | |
| 7 | 9560 char_u *event_name; |
| 9561 char_u *p; | |
| 661 | 9562 event_T event; |
| 7 | 9563 AutoPat *ap; |
| 40 | 9564 buf_T *buflocal_buf = NULL; |
| 612 | 9565 int group; |
| 9566 int retval = FALSE; | |
| 9567 | |
| 615 | 9568 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9569 arg_save = vim_strsave(arg); |
| 9570 if (arg_save == NULL) | |
| 9571 return FALSE; | |
| 615 | 9572 p = vim_strchr(arg_save, '#'); |
| 612 | 9573 if (p != NULL) |
| 9574 *p++ = NUL; | |
| 9575 | |
| 9576 /* First, look for an autocmd group name */ | |
| 9577 group = au_find_group(arg_save); | |
| 9578 if (group == AUGROUP_ERROR) | |
| 9579 { | |
| 9580 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9581 group = AUGROUP_ALL; | |
| 9582 event_name = arg_save; | |
| 9583 } | |
| 9584 else | |
| 9585 { | |
| 9586 if (p == NULL) | |
| 9587 { | |
| 9588 /* "Group": group name is present and it's recognized */ | |
| 9589 retval = TRUE; | |
| 9590 goto theend; | |
| 9591 } | |
| 9592 | |
| 9593 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9594 event_name = p; | |
| 9595 p = vim_strchr(event_name, '#'); | |
| 9596 if (p != NULL) | |
| 9597 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9598 } | |
| 9599 | |
| 9600 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9601 |
| 9602 /* find the index (enum) for the event name */ | |
| 9603 event = event_name2nr(event_name, &p); | |
| 9604 | |
| 9605 /* return FALSE if the event name is not recognized */ | |
| 612 | 9606 if (event == NUM_EVENTS) |
| 9607 goto theend; | |
| 7 | 9608 |
| 9609 /* Find the first autocommand for this event. | |
| 9610 * If there isn't any, return FALSE; | |
| 9611 * If there is one and no pattern given, return TRUE; */ | |
| 9612 ap = first_autopat[(int)event]; | |
| 9613 if (ap == NULL) | |
| 612 | 9614 goto theend; |
| 7 | 9615 |
| 40 | 9616 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9617 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9618 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9619 buflocal_buf = curbuf; |
| 9620 | |
| 7 | 9621 /* Check if there is an autocommand with the given pattern. */ |
| 9622 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9623 /* only use a pattern when it has not been removed and has commands. */ |
| 9624 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9625 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9626 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9627 && (pattern == NULL |
| 9628 || (buflocal_buf == NULL | |
| 9629 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9630 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9631 { |
| 9632 retval = TRUE; | |
| 9633 break; | |
| 9634 } | |
| 9635 | |
| 9636 theend: | |
| 9637 vim_free(arg_save); | |
| 9638 return retval; | |
| 7 | 9639 } |
| 40 | 9640 |
| 934 | 9641 #else /* FEAT_AUTOCMD */ |
| 9642 | |
| 9643 /* | |
| 9644 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9645 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9646 * "curbuf" and "curwin" to match "buf". | |
| 9647 */ | |
| 9648 void | |
| 9649 aucmd_prepbuf(aco, buf) | |
| 9650 aco_save_T *aco; /* structure to save values in */ | |
| 9651 buf_T *buf; /* new curbuf */ | |
| 9652 { | |
| 1906 | 9653 aco->save_curbuf = curbuf; |
| 9654 --curbuf->b_nwindows; | |
| 934 | 9655 curbuf = buf; |
| 9656 curwin->w_buffer = buf; | |
| 1906 | 9657 ++curbuf->b_nwindows; |
| 934 | 9658 } |
| 9659 | |
| 9660 /* | |
| 9661 * Restore after executing commands for a (hidden) buffer. | |
| 9662 * This is the non-autocommand version. | |
| 9663 */ | |
| 9664 void | |
| 9665 aucmd_restbuf(aco) | |
| 9666 aco_save_T *aco; /* structure holding saved values */ | |
| 9667 { | |
| 1906 | 9668 --curbuf->b_nwindows; |
| 9669 curbuf = aco->save_curbuf; | |
| 934 | 9670 curwin->w_buffer = curbuf; |
| 1906 | 9671 ++curbuf->b_nwindows; |
| 934 | 9672 } |
| 9673 | |
| 7 | 9674 #endif /* FEAT_AUTOCMD */ |
| 9675 | |
| 934 | 9676 |
| 7 | 9677 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 9678 /* | |
| 153 | 9679 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 9680 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 9681 * vim_regcomp() often. | |
| 7 | 9682 * Used for autocommands and 'wildignore'. |
| 9683 * Returns TRUE if there is a match, FALSE otherwise. | |
| 9684 */ | |
| 9685 int | |
| 153 | 9686 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 9687 char_u *pattern; /* pattern to match with */ |
| 153 | 9688 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 9689 char_u *fname; /* full path of file name */ |
| 9690 char_u *sfname; /* short file name or NULL */ | |
| 9691 char_u *tail; /* tail of path */ | |
| 9692 int allow_dirs; /* allow matching with dir */ | |
| 9693 { | |
| 9694 regmatch_T regmatch; | |
| 9695 int result = FALSE; | |
| 9696 #ifdef FEAT_OSFILETYPE | |
| 9697 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 9698 char_u *type_start; | |
| 9699 char_u c; | |
| 9700 int match = FALSE; | |
| 9701 #endif | |
| 9702 | |
| 9703 #ifdef CASE_INSENSITIVE_FILENAME | |
| 9704 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
| 9705 #else | |
| 9706 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
| 9707 #endif | |
| 9708 #ifdef FEAT_OSFILETYPE | |
| 9709 if (*pattern == '<') | |
| 9710 { | |
| 9711 /* There is a filetype condition specified with this pattern. | |
| 9712 * Check the filetype matches first. If not, don't bother with the | |
| 9713 * pattern (set regprog to NULL). | |
| 9714 * Always use magic for the regexp. | |
| 9715 */ | |
| 9716 | |
| 9717 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 9718 { | |
| 9719 if ((c == ';' || c == '>') && match == FALSE) | |
| 9720 { | |
| 9721 *pattern = NUL; /* Terminate the string */ | |
| 9722 match = mch_check_filetype(fname, type_start); | |
| 9723 *pattern = c; /* Restore the terminator */ | |
| 9724 type_start = pattern + 1; | |
| 9725 } | |
| 9726 if (c == '>') | |
| 9727 break; | |
| 9728 } | |
| 9729 | |
| 9730 /* (c should never be NUL, but check anyway) */ | |
| 9731 if (match == FALSE || c == NUL) | |
| 9732 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 9733 else if (*pattern == NUL) | |
| 9734 { | |
| 9735 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 9736 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 9737 } | |
| 9738 else | |
| 9739 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 9740 } | |
| 9741 else | |
| 9742 #endif | |
| 153 | 9743 { |
| 9744 if (prog != NULL) | |
| 9745 regmatch.regprog = prog; | |
| 9746 else | |
| 9747 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 9748 } | |
| 7 | 9749 |
| 9750 /* | |
| 9751 * Try for a match with the pattern with: | |
| 9752 * 1. the full file name, when the pattern has a '/'. | |
| 9753 * 2. the short file name, when the pattern has a '/'. | |
| 9754 * 3. the tail of the file name, when the pattern has no '/'. | |
| 9755 */ | |
| 9756 if ( | |
| 9757 #ifdef FEAT_OSFILETYPE | |
| 9758 /* If the check is for a filetype only and we don't care | |
| 9759 * about the path then skip all the regexp stuff. | |
| 9760 */ | |
| 9761 no_pattern || | |
| 9762 #endif | |
| 9763 (regmatch.regprog != NULL | |
| 9764 && ((allow_dirs | |
| 9765 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 9766 || (sfname != NULL | |
| 9767 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 9768 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 9769 result = TRUE; | |
| 9770 | |
| 153 | 9771 if (prog == NULL) |
| 9772 vim_free(regmatch.regprog); | |
| 7 | 9773 return result; |
| 9774 } | |
| 9775 #endif | |
| 9776 | |
| 9777 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 9778 /* | |
| 9779 * Return TRUE if a file matches with a pattern in "list". | |
| 9780 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 9781 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 9782 */ | |
| 9783 int | |
| 9784 match_file_list(list, sfname, ffname) | |
| 9785 char_u *list; | |
| 9786 char_u *sfname; | |
| 9787 char_u *ffname; | |
| 9788 { | |
| 9789 char_u buf[100]; | |
| 9790 char_u *tail; | |
| 9791 char_u *regpat; | |
| 9792 char allow_dirs; | |
| 9793 int match; | |
| 9794 char_u *p; | |
| 9795 | |
| 9796 tail = gettail(sfname); | |
| 9797 | |
| 9798 /* try all patterns in 'wildignore' */ | |
| 9799 p = list; | |
| 9800 while (*p) | |
| 9801 { | |
| 9802 copy_option_part(&p, buf, 100, ","); | |
| 9803 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 9804 if (regpat == NULL) | |
| 9805 break; | |
| 153 | 9806 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 9807 tail, (int)allow_dirs); | |
| 7 | 9808 vim_free(regpat); |
| 9809 if (match) | |
| 9810 return TRUE; | |
| 9811 } | |
| 9812 return FALSE; | |
| 9813 } | |
| 9814 #endif | |
| 9815 | |
| 9816 /* | |
| 9817 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 9818 * a regular expression, and return the result in allocated memory. If there | |
| 9819 * is a directory path separator to be matched, then TRUE is put in | |
| 9820 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 9821 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 9822 * | |
| 9823 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 9824 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 9825 * | |
| 9826 * Returns NULL when out of memory. | |
| 9827 */ | |
| 9828 char_u * | |
| 9829 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 9830 char_u *pat; | |
| 9831 char_u *pat_end; /* first char after pattern or NULL */ | |
| 9832 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 9833 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 9834 { |
| 9835 int size; | |
| 9836 char_u *endp; | |
| 9837 char_u *reg_pat; | |
| 9838 char_u *p; | |
| 9839 int i; | |
| 9840 int nested = 0; | |
| 9841 int add_dollar = TRUE; | |
| 9842 #ifdef FEAT_OSFILETYPE | |
| 9843 int check_length = 0; | |
| 9844 #endif | |
| 9845 | |
| 9846 if (allow_dirs != NULL) | |
| 9847 *allow_dirs = FALSE; | |
| 9848 if (pat_end == NULL) | |
| 9849 pat_end = pat + STRLEN(pat); | |
| 9850 | |
| 9851 #ifdef FEAT_OSFILETYPE | |
| 9852 /* Find out how much of the string is the filetype check */ | |
| 9853 if (*pat == '<') | |
| 9854 { | |
| 9855 /* Count chars until the next '>' */ | |
| 9856 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 9857 ; | |
| 9858 if (p < pat_end) | |
| 9859 { | |
| 9860 /* Pattern is of the form <.*>.* */ | |
| 9861 check_length = p - pat + 1; | |
| 9862 if (p + 1 >= pat_end) | |
| 9863 { | |
| 9864 /* The 'pattern' is a filetype check ONLY */ | |
| 9865 reg_pat = (char_u *)alloc(check_length + 1); | |
| 9866 if (reg_pat != NULL) | |
| 9867 { | |
| 9868 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 9869 reg_pat[check_length] = NUL; | |
| 9870 } | |
| 9871 return reg_pat; | |
| 9872 } | |
| 9873 } | |
| 9874 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 9875 | |
| 9876 } | |
| 9877 pat += check_length; | |
| 9878 size = 2 + check_length; | |
| 9879 #else | |
| 9880 size = 2; /* '^' at start, '$' at end */ | |
| 9881 #endif | |
| 9882 | |
| 9883 for (p = pat; p < pat_end; p++) | |
| 9884 { | |
| 9885 switch (*p) | |
| 9886 { | |
| 9887 case '*': | |
| 9888 case '.': | |
| 9889 case ',': | |
| 9890 case '{': | |
| 9891 case '}': | |
| 9892 case '~': | |
| 9893 size += 2; /* extra backslash */ | |
| 9894 break; | |
| 9895 #ifdef BACKSLASH_IN_FILENAME | |
| 9896 case '\\': | |
| 9897 case '/': | |
| 9898 size += 4; /* could become "[\/]" */ | |
| 9899 break; | |
| 9900 #endif | |
| 9901 default: | |
| 9902 size++; | |
| 9903 # ifdef FEAT_MBYTE | |
| 474 | 9904 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 9905 { |
| 9906 ++p; | |
| 9907 ++size; | |
| 9908 } | |
| 9909 # endif | |
| 9910 break; | |
| 9911 } | |
| 9912 } | |
| 9913 reg_pat = alloc(size + 1); | |
| 9914 if (reg_pat == NULL) | |
| 9915 return NULL; | |
| 9916 | |
| 9917 #ifdef FEAT_OSFILETYPE | |
| 9918 /* Copy the type check in to the start. */ | |
| 9919 if (check_length) | |
| 9920 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 9921 i = check_length; | |
| 9922 #else | |
| 9923 i = 0; | |
| 9924 #endif | |
| 9925 | |
| 9926 if (pat[0] == '*') | |
| 9927 while (pat[0] == '*' && pat < pat_end - 1) | |
| 9928 pat++; | |
| 9929 else | |
| 9930 reg_pat[i++] = '^'; | |
| 9931 endp = pat_end - 1; | |
| 9932 if (*endp == '*') | |
| 9933 { | |
| 9934 while (endp - pat > 0 && *endp == '*') | |
| 9935 endp--; | |
| 9936 add_dollar = FALSE; | |
| 9937 } | |
| 9938 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 9939 { | |
| 9940 switch (*p) | |
| 9941 { | |
| 9942 case '*': | |
| 9943 reg_pat[i++] = '.'; | |
| 9944 reg_pat[i++] = '*'; | |
| 444 | 9945 while (p[1] == '*') /* "**" matches like "*" */ |
| 9946 ++p; | |
| 7 | 9947 break; |
| 9948 case '.': | |
| 9949 #ifdef RISCOS | |
| 9950 if (allow_dirs != NULL) | |
| 9951 *allow_dirs = TRUE; | |
| 9952 /* FALLTHROUGH */ | |
| 9953 #endif | |
| 9954 case '~': | |
| 9955 reg_pat[i++] = '\\'; | |
| 9956 reg_pat[i++] = *p; | |
| 9957 break; | |
| 9958 case '?': | |
| 9959 #ifdef RISCOS | |
| 9960 case '#': | |
| 9961 #endif | |
| 9962 reg_pat[i++] = '.'; | |
| 9963 break; | |
| 9964 case '\\': | |
| 9965 if (p[1] == NUL) | |
| 9966 break; | |
| 9967 #ifdef BACKSLASH_IN_FILENAME | |
| 9968 if (!no_bslash) | |
| 9969 { | |
| 9970 /* translate: | |
| 9971 * "\x" to "\\x" e.g., "dir\file" | |
| 9972 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 9973 * "\?" to "\\." e.g., "dir\??.c" | |
| 9974 * "\+" to "\+" e.g., "fileX\+.c" | |
| 9975 */ | |
| 9976 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 9977 && p[1] != '+') | |
| 9978 { | |
| 9979 reg_pat[i++] = '['; | |
| 9980 reg_pat[i++] = '\\'; | |
| 9981 reg_pat[i++] = '/'; | |
| 9982 reg_pat[i++] = ']'; | |
| 9983 if (allow_dirs != NULL) | |
| 9984 *allow_dirs = TRUE; | |
| 9985 break; | |
| 9986 } | |
| 9987 } | |
| 9988 #endif | |
| 9989 if (*++p == '?' | |
| 9990 #ifdef BACKSLASH_IN_FILENAME | |
| 9991 && no_bslash | |
| 9992 #endif | |
| 9993 ) | |
| 9994 reg_pat[i++] = '?'; | |
| 9995 else | |
| 9996 if (*p == ',') | |
| 9997 reg_pat[i++] = ','; | |
| 9998 else | |
| 9999 { | |
| 10000 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 10001 #ifdef BACKSLASH_IN_FILENAME | |
| 10002 && (!no_bslash || *p != '\\') | |
| 10003 #endif | |
| 10004 ) | |
| 10005 *allow_dirs = TRUE; | |
| 10006 reg_pat[i++] = '\\'; | |
| 10007 reg_pat[i++] = *p; | |
| 10008 } | |
| 10009 break; | |
| 10010 #ifdef BACKSLASH_IN_FILENAME | |
| 10011 case '/': | |
| 10012 reg_pat[i++] = '['; | |
| 10013 reg_pat[i++] = '\\'; | |
| 10014 reg_pat[i++] = '/'; | |
| 10015 reg_pat[i++] = ']'; | |
| 10016 if (allow_dirs != NULL) | |
| 10017 *allow_dirs = TRUE; | |
| 10018 break; | |
| 10019 #endif | |
| 10020 case '{': | |
| 10021 reg_pat[i++] = '\\'; | |
| 10022 reg_pat[i++] = '('; | |
| 10023 nested++; | |
| 10024 break; | |
| 10025 case '}': | |
| 10026 reg_pat[i++] = '\\'; | |
| 10027 reg_pat[i++] = ')'; | |
| 10028 --nested; | |
| 10029 break; | |
| 10030 case ',': | |
| 10031 if (nested) | |
| 10032 { | |
| 10033 reg_pat[i++] = '\\'; | |
| 10034 reg_pat[i++] = '|'; | |
| 10035 } | |
| 10036 else | |
| 10037 reg_pat[i++] = ','; | |
| 10038 break; | |
| 10039 default: | |
| 10040 # ifdef FEAT_MBYTE | |
| 474 | 10041 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10042 reg_pat[i++] = *p++; |
| 10043 else | |
| 10044 # endif | |
| 10045 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 10046 *allow_dirs = TRUE; | |
| 10047 reg_pat[i++] = *p; | |
| 10048 break; | |
| 10049 } | |
| 10050 } | |
| 10051 if (add_dollar) | |
| 10052 reg_pat[i++] = '$'; | |
| 10053 reg_pat[i] = NUL; | |
| 10054 if (nested != 0) | |
| 10055 { | |
| 10056 if (nested < 0) | |
| 10057 EMSG(_("E219: Missing {.")); | |
| 10058 else | |
| 10059 EMSG(_("E220: Missing }.")); | |
| 10060 vim_free(reg_pat); | |
| 10061 reg_pat = NULL; | |
| 10062 } | |
| 10063 return reg_pat; | |
| 10064 } |