Mercurial > vim
annotate src/fileio.c @ 2215:cccb71c2c5c1 vim73
Fix uninit memory read in undo code. Fix uint32_t in proto file.
A few minor changes.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Mon, 24 May 2010 11:59:29 +0200 |
| parents | f8222d1f9a73 |
| children | 120502692d82 |
| 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 | |
|
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
36 /* crypt_magic[0] is pkzip crypt, crypt_magic[1] is sha2+blowfish */ |
|
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
37 static char *crypt_magic[] = {"VimCrypt~01!", "VimCrypt~02!"}; |
|
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
38 static char crypt_magic_head[] = "VimCrypt~"; |
| 7 | 39 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */ |
|
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
40 static int crypt_seed_len[] = {0, 8}; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
41 #define CRYPT_SEED_LEN_MAX 8 |
| 7 | 42 #endif |
| 43 | |
| 44 /* Is there any system that doesn't have access()? */ | |
| 574 | 45 #define USE_MCH_ACCESS |
| 7 | 46 |
| 1313 | 47 #if defined(sun) && defined(S_ISCHR) |
| 48 # define OPEN_CHR_FILES | |
| 49 static int is_dev_fd_file(char_u *fname); | |
| 50 #endif | |
| 7 | 51 #ifdef FEAT_MBYTE |
| 52 static char_u *next_fenc __ARGS((char_u **pp)); | |
| 53 # ifdef FEAT_EVAL | |
| 54 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
| 55 # endif | |
| 56 #endif | |
| 57 #ifdef FEAT_VIMINFO | |
| 58 static void check_marks_read __ARGS((void)); | |
| 59 #endif | |
| 60 #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
|
61 static int get_crypt_method __ARGS((char *ptr, int len)); |
|
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
62 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, long *filesizep, int newfile, int *did_ask)); |
| 7 | 63 #endif |
| 64 #ifdef UNIX | |
| 65 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
| 66 #endif | |
| 633 | 67 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
| 7 | 68 static int msg_add_fileformat __ARGS((int eol_type)); |
| 69 static void msg_add_eol __ARGS((void)); | |
| 70 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
| 71 static int time_differs __ARGS((long t1, long t2)); | |
| 72 #ifdef FEAT_AUTOCMD | |
| 661 | 73 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 | 74 static int au_find_group __ARGS((char_u *name)); |
| 75 | |
| 76 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
| 1834 | 77 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
| 676 | 78 # define AUGROUP_ALL -3 /* all autocmd groups */ |
| 7 | 79 #endif |
| 80 | |
| 81 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
| 82 # define HAS_BW_FLAGS | |
| 83 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
| 84 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
| 85 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
| 86 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
| 87 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
| 88 # ifdef WIN3264 | |
| 89 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
| 90 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
| 91 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
| 92 # endif | |
| 93 # ifdef MACOS_X | |
| 94 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
| 95 # endif | |
| 96 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
| 97 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
| 98 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
| 99 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
| 100 # define FIO_ALL -1 /* allow all formats */ | |
| 101 #endif | |
| 102 | |
| 103 /* When converting, a read() or write() may leave some bytes to be converted | |
| 104 * for the next call. The value is guessed... */ | |
| 105 #define CONV_RESTLEN 30 | |
| 106 | |
| 107 /* We have to guess how much a sequence of bytes may expand when converting | |
| 108 * with iconv() to be able to allocate a buffer. */ | |
| 109 #define ICONV_MULT 8 | |
| 110 | |
| 111 /* | |
| 112 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
| 113 */ | |
| 114 struct bw_info | |
| 115 { | |
| 116 int bw_fd; /* file descriptor */ | |
| 117 char_u *bw_buf; /* buffer with data to be written */ | |
| 1411 | 118 int bw_len; /* length of data */ |
| 7 | 119 #ifdef HAS_BW_FLAGS |
| 120 int bw_flags; /* FIO_ flags */ | |
| 121 #endif | |
| 122 #ifdef FEAT_MBYTE | |
| 123 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
| 124 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
| 125 int bw_first; /* first write call */ | |
| 126 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
| 127 int bw_conv_buflen; /* size of bw_conv_buf */ | |
| 128 int bw_conv_error; /* set for conversion error */ | |
| 1947 | 129 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
| 130 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
| 7 | 131 # ifdef USE_ICONV |
| 132 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
| 133 # endif | |
| 134 #endif | |
| 135 }; | |
| 136 | |
| 137 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
| 138 | |
| 139 #ifdef FEAT_MBYTE | |
| 595 | 140 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
| 7 | 141 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
| 1948 | 142 static int need_conversion __ARGS((char_u *fenc)); |
| 7 | 143 static int get_fio_flags __ARGS((char_u *ptr)); |
| 144 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
| 145 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
| 146 # ifdef WIN3264 | |
| 147 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
| 148 # endif | |
| 149 # ifdef MACOS_X | |
| 150 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
| 151 # endif | |
| 152 #endif | |
| 153 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
| 2006 | 154 #ifdef TEMPDIRNAMES |
| 1997 | 155 static void vim_settempdir __ARGS((char_u *tempdir)); |
| 2006 | 156 #endif |
| 1834 | 157 #ifdef FEAT_AUTOCMD |
| 158 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
| 159 #endif | |
| 595 | 160 |
| 7 | 161 void |
| 162 filemess(buf, name, s, attr) | |
| 163 buf_T *buf; | |
| 164 char_u *name; | |
| 165 char_u *s; | |
| 166 int attr; | |
| 167 { | |
| 168 int msg_scroll_save; | |
| 169 | |
| 170 if (msg_silent != 0) | |
| 171 return; | |
| 172 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
| 173 /* If it's extremely long, truncate it. */ | |
| 174 if (STRLEN(IObuff) > IOSIZE - 80) | |
| 175 IObuff[IOSIZE - 80] = NUL; | |
| 176 STRCAT(IObuff, s); | |
| 177 /* | |
| 178 * For the first message may have to start a new line. | |
| 179 * For further ones overwrite the previous one, reset msg_scroll before | |
| 180 * calling filemess(). | |
| 181 */ | |
| 182 msg_scroll_save = msg_scroll; | |
| 183 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
| 184 msg_scroll = FALSE; | |
| 185 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
| 186 check_for_delay(FALSE); | |
| 187 msg_start(); | |
| 188 msg_scroll = msg_scroll_save; | |
| 189 msg_scrolled_ign = TRUE; | |
| 190 /* may truncate the message to avoid a hit-return prompt */ | |
| 191 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
| 192 msg_clr_eos(); | |
| 193 out_flush(); | |
| 194 msg_scrolled_ign = FALSE; | |
| 195 } | |
| 196 | |
| 197 /* | |
| 198 * Read lines from file "fname" into the buffer after line "from". | |
| 199 * | |
| 200 * 1. We allocate blocks with lalloc, as big as possible. | |
| 201 * 2. Each block is filled with characters from the file with a single read(). | |
| 202 * 3. The lines are inserted in the buffer with ml_append(). | |
| 203 * | |
| 204 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
| 205 * | |
| 206 * "lines_to_skip" is the number of lines that must be skipped | |
| 207 * "lines_to_read" is the number of lines that are appended | |
| 208 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
| 209 * | |
| 210 * flags: | |
| 211 * READ_NEW starting to edit a new buffer | |
| 212 * READ_FILTER reading filter output | |
| 213 * READ_STDIN read from stdin instead of a file | |
| 214 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
| 215 * stdin) | |
| 216 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
| 217 * | |
| 218 * return FAIL for failure, OK otherwise | |
| 219 */ | |
| 220 int | |
| 221 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
| 222 char_u *fname; | |
| 223 char_u *sfname; | |
| 224 linenr_T from; | |
| 225 linenr_T lines_to_skip; | |
| 226 linenr_T lines_to_read; | |
| 227 exarg_T *eap; /* can be NULL! */ | |
| 228 int flags; | |
| 229 { | |
| 230 int fd = 0; | |
| 231 int newfile = (flags & READ_NEW); | |
| 232 int check_readonly; | |
| 233 int filtering = (flags & READ_FILTER); | |
| 234 int read_stdin = (flags & READ_STDIN); | |
| 235 int read_buffer = (flags & READ_BUFFER); | |
| 1486 | 236 int set_options = newfile || read_buffer |
| 237 || (eap != NULL && eap->read_edit); | |
| 7 | 238 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
| 239 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
| 240 char_u c; | |
| 241 linenr_T lnum = from; | |
| 242 char_u *ptr = NULL; /* pointer into read buffer */ | |
| 243 char_u *buffer = NULL; /* read buffer */ | |
| 244 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
| 245 char_u *line_start = NULL; /* init to shut up gcc */ | |
| 246 int wasempty; /* buffer was empty before reading */ | |
| 247 colnr_T len; | |
| 248 long size = 0; | |
| 249 char_u *p; | |
| 250 long filesize = 0; | |
| 251 int skip_read = FALSE; | |
| 252 #ifdef FEAT_CRYPT | |
| 253 char_u *cryptkey = NULL; | |
|
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
254 int did_ask_for_key = FALSE; |
| 7 | 255 #endif |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
256 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
257 context_sha256_T sha_ctx; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
258 int read_undo_file = FALSE; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
259 #endif |
| 7 | 260 int split = 0; /* number of split lines */ |
| 261 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
| 262 linenr_T linecnt; | |
| 263 int error = FALSE; /* errors encountered */ | |
| 264 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
| 265 long linerest = 0; /* remaining chars in line */ | |
| 266 #ifdef UNIX | |
| 267 int perm = 0; | |
| 268 int swap_mode = -1; /* protection bits for swap file */ | |
| 269 #else | |
| 270 int perm; | |
| 271 #endif | |
| 272 int fileformat = 0; /* end-of-line format */ | |
| 273 int keep_fileformat = FALSE; | |
| 274 struct stat st; | |
| 275 int file_readonly; | |
| 276 linenr_T skip_count = 0; | |
| 277 linenr_T read_count = 0; | |
| 278 int msg_save = msg_scroll; | |
| 279 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
| 280 * last read was missing the eol */ | |
| 281 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
| 282 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
| 283 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
| 284 int file_rewind = FALSE; | |
| 285 #ifdef FEAT_MBYTE | |
| 286 int can_retry; | |
| 595 | 287 linenr_T conv_error = 0; /* line nr with conversion error */ |
| 288 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
| 7 | 289 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
| 290 in destination encoding */ | |
| 595 | 291 int bad_char_behavior = BAD_REPLACE; |
| 292 /* BAD_KEEP, BAD_DROP or character to | |
| 293 * replace with */ | |
| 7 | 294 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
| 295 int fio_flags = 0; | |
| 296 char_u *fenc; /* fileencoding to use */ | |
| 297 int fenc_alloced; /* fenc_next is in allocated memory */ | |
| 298 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
| 299 int advance_fenc = FALSE; | |
| 300 long real_size = 0; | |
| 301 # ifdef USE_ICONV | |
| 302 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
| 303 # ifdef FEAT_EVAL | |
| 304 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
| 305 'charconvert' next */ | |
| 306 # endif | |
| 307 # endif | |
| 308 int converted = FALSE; /* TRUE if conversion done */ | |
| 309 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
| 310 wasn't possible */ | |
| 311 char_u conv_rest[CONV_RESTLEN]; | |
| 312 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
| 313 #endif | |
| 314 | |
| 1834 | 315 #ifdef FEAT_AUTOCMD |
| 316 /* Remember the initial values of curbuf, curbuf->b_ffname and | |
| 317 * curbuf->b_fname to detect whether they are altered as a result of | |
| 318 * executing nasty autocommands. Also check if "fname" and "sfname" | |
| 319 * point to one of these values. */ | |
| 320 buf_T *old_curbuf = curbuf; | |
| 321 char_u *old_b_ffname = curbuf->b_ffname; | |
| 322 char_u *old_b_fname = curbuf->b_fname; | |
| 323 int using_b_ffname = (fname == curbuf->b_ffname) | |
| 324 || (sfname == curbuf->b_ffname); | |
| 325 int using_b_fname = (fname == curbuf->b_fname) | |
| 326 || (sfname == curbuf->b_fname); | |
| 327 #endif | |
| 7 | 328 write_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 329 | |
| 330 /* | |
| 331 * If there is no file name yet, use the one for the read file. | |
| 332 * BF_NOTEDITED is set to reflect this. | |
| 333 * Don't do this for a read from a filter. | |
| 334 * Only do this when 'cpoptions' contains the 'f' flag. | |
| 335 */ | |
| 336 if (curbuf->b_ffname == NULL | |
| 337 && !filtering | |
| 338 && fname != NULL | |
| 339 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
| 340 && !(flags & READ_DUMMY)) | |
| 341 { | |
| 633 | 342 if (set_rw_fname(fname, sfname) == FAIL) |
| 343 return FAIL; | |
| 7 | 344 } |
| 345 | |
| 167 | 346 /* After reading a file the cursor line changes but we don't want to |
| 347 * display the line. */ | |
| 348 ex_no_reprint = TRUE; | |
| 349 | |
| 968 | 350 /* don't display the file info for another buffer now */ |
| 351 need_fileinfo = FALSE; | |
| 352 | |
| 7 | 353 /* |
| 354 * For Unix: Use the short file name whenever possible. | |
| 355 * Avoids problems with networks and when directory names are changed. | |
| 356 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 357 * another directory, which we don't detect. | |
| 358 */ | |
| 359 if (sfname == NULL) | |
| 360 sfname = fname; | |
| 361 #if defined(UNIX) || defined(__EMX__) | |
| 362 fname = sfname; | |
| 363 #endif | |
| 364 | |
| 365 #ifdef FEAT_AUTOCMD | |
| 366 /* | |
| 367 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
| 368 * executing the associated commands instead. | |
| 369 */ | |
| 370 if (!filtering && !read_stdin && !read_buffer) | |
| 371 { | |
| 372 pos_T pos; | |
| 373 | |
| 374 pos = curbuf->b_op_start; | |
| 375 | |
| 376 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
| 377 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 378 curbuf->b_op_start.col = 0; | |
| 379 | |
| 380 if (newfile) | |
| 381 { | |
| 382 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
| 383 FALSE, curbuf, eap)) | |
| 384 #ifdef FEAT_EVAL | |
| 385 return aborting() ? FAIL : OK; | |
| 386 #else | |
| 387 return OK; | |
| 388 #endif | |
| 389 } | |
| 390 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
| 391 FALSE, NULL, eap)) | |
| 392 #ifdef FEAT_EVAL | |
| 393 return aborting() ? FAIL : OK; | |
| 394 #else | |
| 395 return OK; | |
| 396 #endif | |
| 397 | |
| 398 curbuf->b_op_start = pos; | |
| 399 } | |
| 400 #endif | |
| 401 | |
| 402 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
| 403 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 404 else | |
| 405 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 406 | |
| 407 /* | |
| 408 * If the name ends in a path separator, we can't open it. Check here, | |
| 409 * because reading the file may actually work, but then creating the swap | |
| 410 * file may destroy it! Reported on MS-DOS and Win 95. | |
| 411 * If the name is too long we might crash further on, quit here. | |
| 412 */ | |
| 23 | 413 if (fname != NULL && *fname != NUL) |
| 414 { | |
| 39 | 415 p = fname + STRLEN(fname); |
| 416 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
| 23 | 417 { |
| 418 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
| 419 msg_end(); | |
| 420 msg_scroll = msg_save; | |
| 421 return FAIL; | |
| 422 } | |
| 7 | 423 } |
| 424 | |
| 425 #ifdef UNIX | |
| 426 /* | |
| 427 * On Unix it is possible to read a directory, so we have to | |
| 428 * check for it before the mch_open(). | |
| 429 */ | |
| 430 if (!read_stdin && !read_buffer) | |
| 431 { | |
| 432 perm = mch_getperm(fname); | |
| 433 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
| 434 # ifdef S_ISFIFO | |
| 435 && !S_ISFIFO(perm) /* ... or fifo */ | |
| 436 # endif | |
| 437 # ifdef S_ISSOCK | |
| 438 && !S_ISSOCK(perm) /* ... or socket */ | |
| 439 # endif | |
| 1313 | 440 # ifdef OPEN_CHR_FILES |
| 441 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
| 442 /* ... or a character special file named /dev/fd/<n> */ | |
| 443 # endif | |
| 7 | 444 ) |
| 445 { | |
| 446 if (S_ISDIR(perm)) | |
| 447 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
| 448 else | |
| 449 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
| 450 msg_end(); | |
| 451 msg_scroll = msg_save; | |
| 452 return FAIL; | |
| 453 } | |
| 1006 | 454 |
| 455 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 456 /* | |
| 457 * MS-Windows allows opening a device, but we will probably get stuck | |
| 458 * trying to read it. | |
| 459 */ | |
| 460 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
| 461 { | |
| 1303 | 462 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
| 1006 | 463 msg_end(); |
| 464 msg_scroll = msg_save; | |
| 465 return FAIL; | |
| 466 } | |
| 467 # endif | |
| 1004 | 468 } |
| 469 #endif | |
| 470 | |
| 7 | 471 /* set default 'fileformat' */ |
| 819 | 472 if (set_options) |
| 7 | 473 { |
| 474 if (eap != NULL && eap->force_ff != 0) | |
| 475 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
| 476 else if (*p_ffs != NUL) | |
| 477 set_fileformat(default_fileformat(), OPT_LOCAL); | |
| 478 } | |
| 479 | |
| 480 /* set or reset 'binary' */ | |
| 481 if (eap != NULL && eap->force_bin != 0) | |
| 482 { | |
| 483 int oldval = curbuf->b_p_bin; | |
| 484 | |
| 485 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
| 486 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
| 487 } | |
| 488 | |
| 489 /* | |
| 490 * When opening a new file we take the readonly flag from the file. | |
| 491 * Default is r/w, can be set to r/o below. | |
| 492 * Don't reset it when in readonly mode | |
| 493 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 494 */ | |
| 495 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 496 if (check_readonly && !readonlymode) |
| 7 | 497 curbuf->b_p_ro = FALSE; |
| 498 | |
| 499 if (newfile && !read_stdin && !read_buffer) | |
| 500 { | |
| 501 /* Remember time of file. | |
| 502 * For RISCOS, also remember the filetype. | |
| 503 */ | |
| 504 if (mch_stat((char *)fname, &st) >= 0) | |
| 505 { | |
| 506 buf_store_time(curbuf, &st, fname); | |
| 507 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 508 | |
| 509 #if defined(RISCOS) && defined(FEAT_OSFILETYPE) | |
| 510 /* Read the filetype into the buffer local filetype option. */ | |
| 511 mch_read_filetype(fname); | |
| 512 #endif | |
| 513 #ifdef UNIX | |
| 514 /* | |
| 515 * Use the protection bits of the original file for the swap file. | |
| 516 * This makes it possible for others to read the name of the | |
| 517 * edited file from the swapfile, but only if they can read the | |
| 518 * edited file. | |
| 519 * Remove the "write" and "execute" bits for group and others | |
| 520 * (they must not write the swapfile). | |
| 521 * Add the "read" and "write" bits for the user, otherwise we may | |
| 522 * not be able to write to the file ourselves. | |
| 523 * Setting the bits is done below, after creating the swap file. | |
| 524 */ | |
| 525 swap_mode = (st.st_mode & 0644) | 0600; | |
| 526 #endif | |
| 527 #ifdef FEAT_CW_EDITOR | |
| 528 /* Get the FSSpec on MacOS | |
| 529 * TODO: Update it properly when the buffer name changes | |
| 530 */ | |
| 531 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 532 #endif | |
| 533 #ifdef VMS | |
| 534 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 535 curbuf->b_fab_rat = st.st_fab_rat; |
| 536 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 537 #endif |
| 538 } | |
| 539 else | |
| 540 { | |
| 541 curbuf->b_mtime = 0; | |
| 542 curbuf->b_mtime_read = 0; | |
| 543 curbuf->b_orig_size = 0; | |
| 544 curbuf->b_orig_mode = 0; | |
| 545 } | |
| 546 | |
| 547 /* Reset the "new file" flag. It will be set again below when the | |
| 548 * file doesn't exist. */ | |
| 549 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 550 } | |
| 551 | |
| 552 /* | |
| 553 * for UNIX: check readonly with perm and mch_access() | |
| 554 * for RISCOS: same as Unix, otherwise file gets re-datestamped! | |
| 555 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
| 556 */ | |
| 557 file_readonly = FALSE; | |
| 558 if (read_stdin) | |
| 559 { | |
| 560 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 561 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
| 562 setmode(0, O_BINARY); | |
| 563 #endif | |
| 564 } | |
| 565 else if (!read_buffer) | |
| 566 { | |
| 567 #ifdef USE_MCH_ACCESS | |
| 568 if ( | |
| 569 # ifdef UNIX | |
| 570 !(perm & 0222) || | |
| 571 # endif | |
| 572 mch_access((char *)fname, W_OK)) | |
| 573 file_readonly = TRUE; | |
| 574 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 575 #else | |
| 576 if (!newfile | |
| 577 || readonlymode | |
| 578 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 579 { | |
| 580 file_readonly = TRUE; | |
| 581 /* try to open ro */ | |
| 582 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 583 } | |
| 584 #endif | |
| 585 } | |
| 586 | |
| 587 if (fd < 0) /* cannot open at all */ | |
| 588 { | |
| 589 #ifndef UNIX | |
| 590 int isdir_f; | |
| 591 #endif | |
| 592 msg_scroll = msg_save; | |
| 593 #ifndef UNIX | |
| 594 /* | |
| 595 * On MSDOS and Amiga we can't open a directory, check here. | |
| 596 */ | |
| 597 isdir_f = (mch_isdir(fname)); | |
| 598 perm = mch_getperm(fname); /* check if the file exists */ | |
| 599 if (isdir_f) | |
| 600 { | |
| 601 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 602 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 603 } | |
| 604 else | |
| 605 #endif | |
| 606 if (newfile) | |
| 607 { | |
|
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608 if (perm < 0 |
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609 #ifdef ENOENT |
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610 && errno == ENOENT |
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611 #endif |
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612 ) |
| 7 | 613 { |
| 614 /* | |
| 615 * Set the 'new-file' flag, so that when the file has | |
| 616 * been created by someone else, a ":w" will complain. | |
| 617 */ | |
| 618 curbuf->b_flags |= BF_NEW; | |
| 619 | |
| 620 /* Create a swap file now, so that other Vims are warned | |
| 621 * that we are editing this file. Don't do this for a | |
| 622 * "nofile" or "nowrite" buffer type. */ | |
| 623 #ifdef FEAT_QUICKFIX | |
| 624 if (!bt_dontwrite(curbuf)) | |
| 625 #endif | |
| 1834 | 626 { |
| 7 | 627 check_need_swap(newfile); |
| 1834 | 628 #ifdef FEAT_AUTOCMD |
| 629 /* SwapExists autocommand may mess things up */ | |
| 630 if (curbuf != old_curbuf | |
| 631 || (using_b_ffname | |
| 632 && (old_b_ffname != curbuf->b_ffname)) | |
| 633 || (using_b_fname | |
| 634 && (old_b_fname != curbuf->b_fname))) | |
| 635 { | |
| 636 EMSG(_(e_auchangedbuf)); | |
| 637 return FAIL; | |
| 638 } | |
| 639 #endif | |
| 640 } | |
| 592 | 641 if (dir_of_file_exists(fname)) |
| 642 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 643 else | |
| 644 filemess(curbuf, sfname, | |
| 645 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 646 #ifdef FEAT_VIMINFO |
| 647 /* Even though this is a new file, it might have been | |
| 648 * edited before and deleted. Get the old marks. */ | |
| 649 check_marks_read(); | |
| 650 #endif | |
| 651 #ifdef FEAT_MBYTE | |
| 652 if (eap != NULL && eap->force_enc != 0) | |
| 653 { | |
| 654 /* set forced 'fileencoding' */ | |
| 655 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 656 if (fenc != NULL) | |
| 657 set_string_option_direct((char_u *)"fenc", -1, | |
| 694 | 658 fenc, OPT_FREE|OPT_LOCAL, 0); |
| 7 | 659 vim_free(fenc); |
| 660 } | |
| 661 #endif | |
| 662 #ifdef FEAT_AUTOCMD | |
| 663 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 664 FALSE, curbuf, eap); | |
| 665 #endif | |
| 666 /* remember the current fileformat */ | |
| 667 save_file_ff(curbuf); | |
| 668 | |
| 669 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 670 if (aborting()) /* autocmds may abort script processing */ | |
| 671 return FAIL; | |
| 672 #endif | |
| 673 return OK; /* a new file is not an error */ | |
| 674 } | |
| 675 else | |
| 676 { | |
| 550 | 677 filemess(curbuf, sfname, (char_u *)( |
| 678 # ifdef EFBIG | |
| 679 (errno == EFBIG) ? _("[File too big]") : | |
| 680 # endif | |
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681 # ifdef EOVERFLOW |
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682 (errno == EOVERFLOW) ? _("[File too big]") : |
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683 # endif |
| 550 | 684 _("[Permission Denied]")), 0); |
| 7 | 685 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 686 } | |
| 687 } | |
| 688 | |
| 689 return FAIL; | |
| 690 } | |
| 691 | |
| 692 /* | |
| 693 * Only set the 'ro' flag for readonly files the first time they are | |
| 694 * loaded. Help files always get readonly mode | |
| 695 */ | |
| 696 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 697 curbuf->b_p_ro = TRUE; | |
| 698 | |
| 819 | 699 if (set_options) |
| 7 | 700 { |
| 1486 | 701 /* Don't change 'eol' if reading from buffer as it will already be |
| 702 * correctly set when reading stdin. */ | |
| 703 if (!read_buffer) | |
| 704 { | |
| 705 curbuf->b_p_eol = TRUE; | |
| 706 curbuf->b_start_eol = TRUE; | |
| 707 } | |
| 7 | 708 #ifdef FEAT_MBYTE |
| 709 curbuf->b_p_bomb = FALSE; | |
| 1352 | 710 curbuf->b_start_bomb = FALSE; |
| 7 | 711 #endif |
| 712 } | |
| 713 | |
| 714 /* Create a swap file now, so that other Vims are warned that we are | |
| 715 * editing this file. | |
| 716 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 717 #ifdef FEAT_QUICKFIX | |
| 718 if (!bt_dontwrite(curbuf)) | |
| 719 #endif | |
| 720 { | |
| 721 check_need_swap(newfile); | |
| 1834 | 722 #ifdef FEAT_AUTOCMD |
| 723 if (!read_stdin && (curbuf != old_curbuf | |
| 724 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 725 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 726 { | |
| 727 EMSG(_(e_auchangedbuf)); | |
| 728 if (!read_buffer) | |
| 729 close(fd); | |
| 730 return FAIL; | |
| 731 } | |
| 732 #endif | |
| 7 | 733 #ifdef UNIX |
| 734 /* Set swap file protection bits after creating it. */ | |
| 1918 | 735 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 736 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 737 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 738 #endif | |
| 739 } | |
| 740 | |
| 578 | 741 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 742 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 743 if (swap_exists_action == SEA_QUIT) | |
| 744 { | |
| 745 if (!read_buffer && !read_stdin) | |
| 746 close(fd); | |
| 747 return FAIL; | |
| 748 } | |
| 749 #endif | |
| 750 | |
| 751 ++no_wait_return; /* don't wait for return yet */ | |
| 752 | |
| 753 /* | |
| 754 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 755 */ | |
| 756 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 757 curbuf->b_op_start.col = 0; | |
| 758 | |
| 759 #ifdef FEAT_AUTOCMD | |
| 760 if (!read_buffer) | |
| 761 { | |
| 762 int m = msg_scroll; | |
| 763 int n = msg_scrolled; | |
| 764 | |
| 765 /* | |
| 766 * The file must be closed again, the autocommands may want to change | |
| 767 * the file before reading it. | |
| 768 */ | |
| 769 if (!read_stdin) | |
| 770 close(fd); /* ignore errors */ | |
| 771 | |
| 772 /* | |
| 773 * The output from the autocommands should not overwrite anything and | |
| 774 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 775 * output was done. | |
| 776 */ | |
| 777 msg_scroll = TRUE; | |
| 778 if (filtering) | |
| 779 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 780 FALSE, curbuf, eap); | |
| 781 else if (read_stdin) | |
| 782 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 783 FALSE, curbuf, eap); | |
| 784 else if (newfile) | |
| 785 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 786 FALSE, curbuf, eap); | |
| 787 else | |
| 788 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 789 FALSE, NULL, eap); | |
| 790 if (msg_scrolled == n) | |
| 791 msg_scroll = m; | |
| 792 | |
| 793 #ifdef FEAT_EVAL | |
| 794 if (aborting()) /* autocmds may abort script processing */ | |
| 795 { | |
| 796 --no_wait_return; | |
| 797 msg_scroll = msg_save; | |
| 798 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 799 return FAIL; | |
| 800 } | |
| 801 #endif | |
| 802 /* | |
| 803 * Don't allow the autocommands to change the current buffer. | |
| 804 * Try to re-open the file. | |
| 1834 | 805 * |
| 806 * Don't allow the autocommands to change the buffer name either | |
| 807 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 808 */ |
| 809 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 810 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 811 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 812 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 813 { | |
| 814 --no_wait_return; | |
| 815 msg_scroll = msg_save; | |
| 816 if (fd < 0) | |
| 817 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 818 else | |
| 819 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 820 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 821 return FAIL; | |
| 822 } | |
| 823 } | |
| 824 #endif /* FEAT_AUTOCMD */ | |
| 825 | |
| 826 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 827 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 828 | |
| 829 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 830 { | |
| 831 /* | |
| 832 * Show the user that we are busy reading the input. Sometimes this | |
| 833 * may take a while. When reading from stdin another program may | |
| 834 * still be running, don't move the cursor to the last line, unless | |
| 835 * always using the GUI. | |
| 836 */ | |
| 837 if (read_stdin) | |
| 838 { | |
| 839 #ifndef ALWAYS_USE_GUI | |
| 840 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 841 #endif | |
| 842 #ifdef FEAT_GUI | |
| 843 /* Also write a message in the GUI window, if there is one. */ | |
| 844 if (gui.in_use && !gui.dying && !gui.starting) | |
| 845 { | |
| 846 p = (char_u *)_("Reading from stdin..."); | |
| 847 gui_write(p, (int)STRLEN(p)); | |
| 848 } | |
| 849 #endif | |
| 850 } | |
| 851 else if (!read_buffer) | |
| 852 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 853 } | |
| 854 | |
| 855 msg_scroll = FALSE; /* overwrite the file message */ | |
| 856 | |
| 857 /* | |
| 858 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 859 * fileformat, and after the autocommands, which may change them. | |
| 860 */ | |
| 861 linecnt = curbuf->b_ml.ml_line_count; | |
| 862 | |
| 863 #ifdef FEAT_MBYTE | |
| 595 | 864 /* "++bad=" argument. */ |
| 865 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 866 { |
| 595 | 867 bad_char_behavior = eap->bad_char; |
| 819 | 868 if (set_options) |
| 612 | 869 curbuf->b_bad_char = eap->bad_char; |
| 870 } | |
| 871 else | |
| 872 curbuf->b_bad_char = 0; | |
| 595 | 873 |
| 7 | 874 /* |
| 595 | 875 * Decide which 'encoding' to use or use first. |
| 7 | 876 */ |
| 877 if (eap != NULL && eap->force_enc != 0) | |
| 878 { | |
| 879 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 880 fenc_alloced = TRUE; | |
| 595 | 881 keep_dest_enc = TRUE; |
| 7 | 882 } |
| 883 else if (curbuf->b_p_bin) | |
| 884 { | |
| 885 fenc = (char_u *)""; /* binary: don't convert */ | |
| 886 fenc_alloced = FALSE; | |
| 887 } | |
| 888 else if (curbuf->b_help) | |
| 889 { | |
| 890 char_u firstline[80]; | |
| 301 | 891 int fc; |
| 7 | 892 |
| 893 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 894 * fails it must be latin1. | |
| 895 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 896 * this when needed to avoid [converted] remarks all the time. | |
| 897 * It is needed when the first line contains non-ASCII characters. | |
| 898 * That is only in *.??x files. */ | |
| 899 fenc = (char_u *)"latin1"; | |
| 900 c = enc_utf8; | |
| 301 | 901 if (!c && !read_stdin) |
| 902 { | |
| 903 fc = fname[STRLEN(fname) - 1]; | |
| 904 if (TOLOWER_ASC(fc) == 'x') | |
| 905 { | |
| 906 /* Read the first line (and a bit more). Immediately rewind to | |
| 907 * the start of the file. If the read() fails "len" is -1. */ | |
| 908 len = vim_read(fd, firstline, 80); | |
| 909 lseek(fd, (off_t)0L, SEEK_SET); | |
| 910 for (p = firstline; p < firstline + len; ++p) | |
| 911 if (*p >= 0x80) | |
| 912 { | |
| 913 c = TRUE; | |
| 914 break; | |
| 915 } | |
| 916 } | |
| 7 | 917 } |
| 918 | |
| 919 if (c) | |
| 920 { | |
| 921 fenc_next = fenc; | |
| 922 fenc = (char_u *)"utf-8"; | |
| 923 | |
| 924 /* When the file is utf-8 but a character doesn't fit in | |
| 925 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 926 * doesn't make sense. */ | |
| 844 | 927 if (!enc_utf8) |
| 928 keep_dest_enc = TRUE; | |
| 7 | 929 } |
| 930 fenc_alloced = FALSE; | |
| 931 } | |
| 932 else if (*p_fencs == NUL) | |
| 933 { | |
| 934 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 935 fenc_alloced = FALSE; | |
| 936 } | |
| 937 else | |
| 938 { | |
| 939 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 940 fenc = next_fenc(&fenc_next); | |
| 941 fenc_alloced = TRUE; | |
| 942 } | |
| 943 #endif | |
| 944 | |
| 945 /* | |
| 946 * Jump back here to retry reading the file in different ways. | |
| 947 * Reasons to retry: | |
| 948 * - encoding conversion failed: try another one from "fenc_next" | |
| 949 * - BOM detected and fenc was set, need to setup conversion | |
| 950 * - "fileformat" check failed: try another | |
| 951 * | |
| 952 * Variables set for special retry actions: | |
| 953 * "file_rewind" Rewind the file to start reading it again. | |
| 954 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 955 * "skip_read" Re-use already read bytes (BOM detected). | |
| 956 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 957 * "keep_fileformat" Don't reset "fileformat". | |
| 958 * | |
| 959 * Other status indicators: | |
| 960 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 961 * Output file has to be deleted afterwards. | |
| 962 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 963 */ | |
| 964 retry: | |
| 965 | |
| 966 if (file_rewind) | |
| 967 { | |
| 968 if (read_buffer) | |
| 969 { | |
| 970 read_buf_lnum = 1; | |
| 971 read_buf_col = 0; | |
| 972 } | |
| 973 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 974 { | |
| 975 /* Can't rewind the file, give up. */ | |
| 976 error = TRUE; | |
| 977 goto failed; | |
| 978 } | |
| 979 /* Delete the previously read lines. */ | |
| 980 while (lnum > from) | |
| 981 ml_delete(lnum--, FALSE); | |
| 982 file_rewind = FALSE; | |
| 983 #ifdef FEAT_MBYTE | |
| 819 | 984 if (set_options) |
| 1352 | 985 { |
| 7 | 986 curbuf->b_p_bomb = FALSE; |
| 1352 | 987 curbuf->b_start_bomb = FALSE; |
| 988 } | |
| 595 | 989 conv_error = 0; |
| 7 | 990 #endif |
| 991 } | |
| 992 | |
| 993 /* | |
| 994 * When retrying with another "fenc" and the first time "fileformat" | |
| 995 * will be reset. | |
| 996 */ | |
| 997 if (keep_fileformat) | |
| 998 keep_fileformat = FALSE; | |
| 999 else | |
| 1000 { | |
| 1001 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 1002 { |
| 7 | 1003 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 1004 try_unix = try_dos = try_mac = FALSE; |
| 1005 } | |
| 7 | 1006 else if (curbuf->b_p_bin) |
| 1007 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 1008 else if (*p_ffs == NUL) | |
| 1009 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 1010 else | |
| 1011 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 1012 } | |
| 1013 | |
| 1014 #ifdef FEAT_MBYTE | |
| 1015 # ifdef USE_ICONV | |
| 1016 if (iconv_fd != (iconv_t)-1) | |
| 1017 { | |
| 1018 /* aborted conversion with iconv(), close the descriptor */ | |
| 1019 iconv_close(iconv_fd); | |
| 1020 iconv_fd = (iconv_t)-1; | |
| 1021 } | |
| 1022 # endif | |
| 1023 | |
| 1024 if (advance_fenc) | |
| 1025 { | |
| 1026 /* | |
| 1027 * Try the next entry in 'fileencodings'. | |
| 1028 */ | |
| 1029 advance_fenc = FALSE; | |
| 1030 | |
| 1031 if (eap != NULL && eap->force_enc != 0) | |
| 1032 { | |
| 1033 /* Conversion given with "++cc=" wasn't possible, read | |
| 1034 * without conversion. */ | |
| 1035 notconverted = TRUE; | |
| 595 | 1036 conv_error = 0; |
| 7 | 1037 if (fenc_alloced) |
| 1038 vim_free(fenc); | |
| 1039 fenc = (char_u *)""; | |
| 1040 fenc_alloced = FALSE; | |
| 1041 } | |
| 1042 else | |
| 1043 { | |
| 1044 if (fenc_alloced) | |
| 1045 vim_free(fenc); | |
| 1046 if (fenc_next != NULL) | |
| 1047 { | |
| 1048 fenc = next_fenc(&fenc_next); | |
| 1049 fenc_alloced = (fenc_next != NULL); | |
| 1050 } | |
| 1051 else | |
| 1052 { | |
| 1053 fenc = (char_u *)""; | |
| 1054 fenc_alloced = FALSE; | |
| 1055 } | |
| 1056 } | |
| 1057 if (tmpname != NULL) | |
| 1058 { | |
| 1059 mch_remove(tmpname); /* delete converted file */ | |
| 1060 vim_free(tmpname); | |
| 1061 tmpname = NULL; | |
| 1062 } | |
| 1063 } | |
| 1064 | |
| 1065 /* | |
| 1948 | 1066 * Conversion may be required when the encoding of the file is different |
| 1067 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1068 */ |
| 1069 fio_flags = 0; | |
| 1948 | 1070 converted = need_conversion(fenc); |
| 1071 if (converted) | |
| 7 | 1072 { |
| 1073 | |
| 1074 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1075 * for a BOM. */ | |
| 1076 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1077 fio_flags = FIO_UCSBOM; | |
| 1078 | |
| 1079 /* | |
| 1080 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1081 * done. This is handled below after read(). Prepare the | |
| 1082 * fio_flags to avoid having to parse the string each time. | |
| 1083 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1084 * appears not to handle this correctly. This works just like | |
| 1085 * conversion to UTF-8 except how the resulting character is put in | |
| 1086 * the buffer. | |
| 1087 */ | |
| 1088 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1089 fio_flags = get_fio_flags(fenc); | |
| 1090 | |
| 1091 # ifdef WIN3264 | |
| 1092 /* | |
| 1093 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1094 * is handled with MultiByteToWideChar(). | |
| 1095 */ | |
| 1096 if (fio_flags == 0) | |
| 1097 fio_flags = get_win_fio_flags(fenc); | |
| 1098 # endif | |
| 1099 | |
| 1100 # ifdef MACOS_X | |
| 1101 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1102 if (fio_flags == 0) | |
| 1103 fio_flags = get_mac_fio_flags(fenc); | |
| 1104 # endif | |
| 1105 | |
| 1106 # ifdef USE_ICONV | |
| 1107 /* | |
| 1108 * Try using iconv() if we can't convert internally. | |
| 1109 */ | |
| 1110 if (fio_flags == 0 | |
| 1111 # ifdef FEAT_EVAL | |
| 1112 && !did_iconv | |
| 1113 # endif | |
| 1114 ) | |
| 1115 iconv_fd = (iconv_t)my_iconv_open( | |
| 1116 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1117 # endif | |
| 1118 | |
| 1119 # ifdef FEAT_EVAL | |
| 1120 /* | |
| 1121 * Use the 'charconvert' expression when conversion is required | |
| 1122 * and we can't do it internally or with iconv(). | |
| 1123 */ | |
| 1124 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1125 # ifdef USE_ICONV | |
| 1126 && iconv_fd == (iconv_t)-1 | |
| 1127 # endif | |
| 1128 ) | |
| 1129 { | |
| 1130 # ifdef USE_ICONV | |
| 1131 did_iconv = FALSE; | |
| 1132 # endif | |
| 1133 /* Skip conversion when it's already done (retry for wrong | |
| 1134 * "fileformat"). */ | |
| 1135 if (tmpname == NULL) | |
| 1136 { | |
| 1137 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1138 if (tmpname == NULL) | |
| 1139 { | |
| 1140 /* Conversion failed. Try another one. */ | |
| 1141 advance_fenc = TRUE; | |
| 1142 if (fd < 0) | |
| 1143 { | |
| 1144 /* Re-opening the original file failed! */ | |
| 1145 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1146 error = TRUE; | |
| 1147 goto failed; | |
| 1148 } | |
| 1149 goto retry; | |
| 1150 } | |
| 1151 } | |
| 1152 } | |
| 1153 else | |
| 1154 # endif | |
| 1155 { | |
| 1156 if (fio_flags == 0 | |
| 1157 # ifdef USE_ICONV | |
| 1158 && iconv_fd == (iconv_t)-1 | |
| 1159 # endif | |
| 1160 ) | |
| 1161 { | |
| 1162 /* Conversion wanted but we can't. | |
| 1163 * Try the next conversion in 'fileencodings' */ | |
| 1164 advance_fenc = TRUE; | |
| 1165 goto retry; | |
| 1166 } | |
| 1167 } | |
| 1168 } | |
| 1169 | |
| 595 | 1170 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1171 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1172 * stdin or fixed at a specific encoding. */ |
| 1173 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1174 #endif |
| 1175 | |
| 1176 if (!skip_read) | |
| 1177 { | |
| 1178 linerest = 0; | |
| 1179 filesize = 0; | |
| 1180 skip_count = lines_to_skip; | |
| 1181 read_count = lines_to_read; | |
| 1182 #ifdef FEAT_MBYTE | |
| 1183 conv_restlen = 0; | |
| 1184 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1185 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1186 read_undo_file = (newfile && curbuf->b_ffname != NULL && curbuf->b_p_udf |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1187 && !filtering && !read_stdin && !read_buffer); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1188 if (read_undo_file) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1189 sha256_start(&sha_ctx); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1190 #endif |
| 7 | 1191 } |
| 1192 | |
| 1193 while (!error && !got_int) | |
| 1194 { | |
| 1195 /* | |
| 1196 * We allocate as much space for the file as we can get, plus | |
| 1197 * space for the old line plus room for one terminating NUL. | |
| 1198 * The amount is limited by the fact that read() only can read | |
| 1199 * upto max_unsigned characters (and other things). | |
| 1200 */ | |
| 1201 #if SIZEOF_INT <= 2 | |
| 1202 if (linerest >= 0x7ff0) | |
| 1203 { | |
| 1204 ++split; | |
| 1205 *ptr = NL; /* split line by inserting a NL */ | |
| 1206 size = 1; | |
| 1207 } | |
| 1208 else | |
| 1209 #endif | |
| 1210 { | |
| 1211 if (!skip_read) | |
| 1212 { | |
| 1213 #if SIZEOF_INT > 2 | |
| 1076 | 1214 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1215 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1216 # else | |
| 1217 size = 0x10000L; /* use buffer >= 64K */ | |
| 1218 # endif | |
| 1219 #else | |
| 1220 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1221 #endif | |
| 1222 | |
| 836 | 1223 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1224 { |
| 1225 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1226 FALSE)) != NULL) | |
| 1227 break; | |
| 1228 } | |
| 1229 if (new_buffer == NULL) | |
| 1230 { | |
| 1231 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1232 error = TRUE; | |
| 1233 break; | |
| 1234 } | |
| 1235 if (linerest) /* copy characters from the previous buffer */ | |
| 1236 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1237 vim_free(buffer); | |
| 1238 buffer = new_buffer; | |
| 1239 ptr = buffer + linerest; | |
| 1240 line_start = buffer; | |
| 1241 | |
| 1242 #ifdef FEAT_MBYTE | |
| 1243 /* May need room to translate into. | |
| 1244 * For iconv() we don't really know the required space, use a | |
| 1245 * factor ICONV_MULT. | |
| 1246 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1247 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1248 * become up to 4 bytes, size must be multiple of 2 | |
| 1249 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1250 * multiple of 2 | |
| 1251 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1252 * multiple of 4 */ | |
| 835 | 1253 real_size = (int)size; |
| 7 | 1254 # ifdef USE_ICONV |
| 1255 if (iconv_fd != (iconv_t)-1) | |
| 1256 size = size / ICONV_MULT; | |
| 1257 else | |
| 1258 # endif | |
| 1259 if (fio_flags & FIO_LATIN1) | |
| 1260 size = size / 2; | |
| 1261 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1262 size = (size * 2 / 3) & ~1; | |
| 1263 else if (fio_flags & FIO_UCS4) | |
| 1264 size = (size * 2 / 3) & ~3; | |
| 1265 else if (fio_flags == FIO_UCSBOM) | |
| 1266 size = size / ICONV_MULT; /* worst case */ | |
| 1267 # ifdef WIN3264 | |
| 1268 else if (fio_flags & FIO_CODEPAGE) | |
| 1269 size = size / ICONV_MULT; /* also worst case */ | |
| 1270 # endif | |
| 1271 # ifdef MACOS_X | |
| 1272 else if (fio_flags & FIO_MACROMAN) | |
| 1273 size = size / ICONV_MULT; /* also worst case */ | |
| 1274 # endif | |
| 1275 #endif | |
| 1276 | |
| 1277 #ifdef FEAT_MBYTE | |
| 1278 if (conv_restlen > 0) | |
| 1279 { | |
| 1280 /* Insert unconverted bytes from previous line. */ | |
| 1281 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1282 ptr += conv_restlen; | |
| 1283 size -= conv_restlen; | |
| 1284 } | |
| 1285 #endif | |
| 1286 | |
| 1287 if (read_buffer) | |
| 1288 { | |
| 1289 /* | |
| 1290 * Read bytes from curbuf. Used for converting text read | |
| 1291 * from stdin. | |
| 1292 */ | |
| 1293 if (read_buf_lnum > from) | |
| 1294 size = 0; | |
| 1295 else | |
| 1296 { | |
| 1297 int n, ni; | |
| 1298 long tlen; | |
| 1299 | |
| 1300 tlen = 0; | |
| 1301 for (;;) | |
| 1302 { | |
| 1303 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1304 n = (int)STRLEN(p); | |
| 1305 if ((int)tlen + n + 1 > size) | |
| 1306 { | |
| 1307 /* Filled up to "size", append partial line. | |
| 1308 * Change NL to NUL to reverse the effect done | |
| 1309 * below. */ | |
| 835 | 1310 n = (int)(size - tlen); |
| 7 | 1311 for (ni = 0; ni < n; ++ni) |
| 1312 { | |
| 1313 if (p[ni] == NL) | |
| 1314 ptr[tlen++] = NUL; | |
| 1315 else | |
| 1316 ptr[tlen++] = p[ni]; | |
| 1317 } | |
| 1318 read_buf_col += n; | |
| 1319 break; | |
| 1320 } | |
| 1321 else | |
| 1322 { | |
| 1323 /* Append whole line and new-line. Change NL | |
| 1324 * to NUL to reverse the effect done below. */ | |
| 1325 for (ni = 0; ni < n; ++ni) | |
| 1326 { | |
| 1327 if (p[ni] == NL) | |
| 1328 ptr[tlen++] = NUL; | |
| 1329 else | |
| 1330 ptr[tlen++] = p[ni]; | |
| 1331 } | |
| 1332 ptr[tlen++] = NL; | |
| 1333 read_buf_col = 0; | |
| 1334 if (++read_buf_lnum > from) | |
| 1335 { | |
| 1336 /* When the last line didn't have an | |
| 1337 * end-of-line don't add it now either. */ | |
| 1338 if (!curbuf->b_p_eol) | |
| 1339 --tlen; | |
| 1340 size = tlen; | |
| 1341 break; | |
| 1342 } | |
| 1343 } | |
| 1344 } | |
| 1345 } | |
| 1346 } | |
| 1347 else | |
| 1348 { | |
| 1349 /* | |
| 1350 * Read bytes from the file. | |
| 1351 */ | |
| 1352 size = vim_read(fd, ptr, size); | |
| 1353 } | |
| 1354 | |
| 1355 if (size <= 0) | |
| 1356 { | |
| 1357 if (size < 0) /* read error */ | |
| 1358 error = TRUE; | |
| 1359 #ifdef FEAT_MBYTE | |
| 1360 else if (conv_restlen > 0) | |
| 595 | 1361 { |
| 1597 | 1362 /* |
| 1363 * Reached end-of-file but some trailing bytes could | |
| 1364 * not be converted. Truncated file? | |
| 1365 */ | |
| 1366 | |
| 1367 /* When we did a conversion report an error. */ | |
| 1368 if (fio_flags != 0 | |
| 1369 # ifdef USE_ICONV | |
| 1370 || iconv_fd != (iconv_t)-1 | |
| 1371 # endif | |
| 1372 ) | |
| 1373 { | |
| 1374 if (conv_error == 0) | |
| 1375 conv_error = curbuf->b_ml.ml_line_count | |
| 1376 - linecnt + 1; | |
| 1377 } | |
| 1378 /* Remember the first linenr with an illegal byte */ | |
| 1379 else if (illegal_byte == 0) | |
| 1380 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1381 - linecnt + 1; | |
| 1382 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1383 { |
| 1597 | 1384 *(ptr - conv_restlen) = NUL; |
| 1385 conv_restlen = 0; | |
| 1386 } | |
| 1387 else | |
| 1388 { | |
| 1389 /* Replace the trailing bytes with the replacement | |
| 1390 * character if we were converting; if we weren't, | |
| 1391 * leave the UTF8 checking code to do it, as it | |
| 1392 * works slightly differently. */ | |
| 1393 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1394 # ifdef USE_ICONV | |
| 1395 || iconv_fd != (iconv_t)-1 | |
| 1396 # endif | |
| 1397 )) | |
| 1398 { | |
| 1399 while (conv_restlen > 0) | |
| 1400 { | |
| 1401 *(--ptr) = bad_char_behavior; | |
| 1402 --conv_restlen; | |
| 1403 } | |
| 1404 } | |
| 595 | 1405 fio_flags = 0; /* don't convert this */ |
| 834 | 1406 # ifdef USE_ICONV |
| 1407 if (iconv_fd != (iconv_t)-1) | |
| 1408 { | |
| 1409 iconv_close(iconv_fd); | |
| 1410 iconv_fd = (iconv_t)-1; | |
| 1411 } | |
| 1412 # endif | |
| 595 | 1413 } |
| 1414 } | |
| 7 | 1415 #endif |
| 1416 } | |
| 1417 | |
| 1418 #ifdef FEAT_CRYPT | |
| 1419 /* | |
| 1420 * At start of file: Check for magic number of encryption. | |
| 1421 */ | |
| 1422 if (filesize == 0) | |
| 1423 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
|
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
1424 &filesize, newfile, &did_ask_for_key); |
| 7 | 1425 /* |
| 1426 * Decrypt the read bytes. | |
| 1427 */ | |
| 1428 if (cryptkey != NULL && size > 0) | |
| 1429 for (p = ptr; p < ptr + size; ++p) | |
| 1430 ZDECODE(*p); | |
| 1431 #endif | |
| 1432 } | |
| 1433 skip_read = FALSE; | |
| 1434 | |
| 1435 #ifdef FEAT_MBYTE | |
| 1436 /* | |
| 1437 * At start of file (or after crypt magic number): Check for BOM. | |
| 1438 * Also check for a BOM for other Unicode encodings, but not after | |
| 1439 * converting with 'charconvert' or when a BOM has already been | |
| 1440 * found. | |
| 1441 */ | |
| 1442 if ((filesize == 0 | |
| 1443 # 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
|
1444 || (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
|
1445 + 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
|
1446 && cryptkey != NULL) |
| 7 | 1447 # endif |
| 1448 ) | |
| 1449 && (fio_flags == FIO_UCSBOM | |
| 1450 || (!curbuf->b_p_bomb | |
| 1451 && tmpname == NULL | |
| 1452 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1453 { | |
| 1454 char_u *ccname; | |
| 1455 int blen; | |
| 1456 | |
| 1457 /* no BOM detection in a short file or in binary mode */ | |
| 1458 if (size < 2 || curbuf->b_p_bin) | |
| 1459 ccname = NULL; | |
| 1460 else | |
| 1461 ccname = check_for_bom(ptr, size, &blen, | |
| 1462 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1463 if (ccname != NULL) | |
| 1464 { | |
| 1465 /* Remove BOM from the text */ | |
| 1466 filesize += blen; | |
| 1467 size -= blen; | |
| 1468 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1469 if (set_options) |
| 1352 | 1470 { |
| 7 | 1471 curbuf->b_p_bomb = TRUE; |
| 1352 | 1472 curbuf->b_start_bomb = TRUE; |
| 1473 } | |
| 7 | 1474 } |
| 1475 | |
| 1476 if (fio_flags == FIO_UCSBOM) | |
| 1477 { | |
| 1478 if (ccname == NULL) | |
| 1479 { | |
| 1480 /* No BOM detected: retry with next encoding. */ | |
| 1481 advance_fenc = TRUE; | |
| 1482 } | |
| 1483 else | |
| 1484 { | |
| 1485 /* BOM detected: set "fenc" and jump back */ | |
| 1486 if (fenc_alloced) | |
| 1487 vim_free(fenc); | |
| 1488 fenc = ccname; | |
| 1489 fenc_alloced = FALSE; | |
| 1490 } | |
| 1491 /* retry reading without getting new bytes or rewinding */ | |
| 1492 skip_read = TRUE; | |
| 1493 goto retry; | |
| 1494 } | |
| 1495 } | |
| 1597 | 1496 |
| 1497 /* Include not converted bytes. */ | |
| 1498 ptr -= conv_restlen; | |
| 1499 size += conv_restlen; | |
| 1500 conv_restlen = 0; | |
| 7 | 1501 #endif |
| 1502 /* | |
| 1503 * Break here for a read error or end-of-file. | |
| 1504 */ | |
| 1505 if (size <= 0) | |
| 1506 break; | |
| 1507 | |
| 1508 #ifdef FEAT_MBYTE | |
| 1509 | |
| 1510 # ifdef USE_ICONV | |
| 1511 if (iconv_fd != (iconv_t)-1) | |
| 1512 { | |
| 1513 /* | |
| 1514 * Attempt conversion of the read bytes to 'encoding' using | |
| 1515 * iconv(). | |
| 1516 */ | |
| 1517 const char *fromp; | |
| 1518 char *top; | |
| 1519 size_t from_size; | |
| 1520 size_t to_size; | |
| 1521 | |
| 1522 fromp = (char *)ptr; | |
| 1523 from_size = size; | |
| 1524 ptr += size; | |
| 1525 top = (char *)ptr; | |
| 1526 to_size = real_size - size; | |
| 1527 | |
| 1528 /* | |
| 1529 * If there is conversion error or not enough room try using | |
| 179 | 1530 * another conversion. Except for when there is no |
| 1531 * alternative (help files). | |
| 7 | 1532 */ |
| 177 | 1533 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1534 &top, &to_size) | |
| 7 | 1535 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1536 || from_size > CONV_RESTLEN) | |
| 177 | 1537 { |
| 595 | 1538 if (can_retry) |
| 375 | 1539 goto rewind_retry; |
| 595 | 1540 if (conv_error == 0) |
| 1541 conv_error = readfile_linenr(linecnt, | |
| 1542 ptr, (char_u *)top); | |
| 1543 | |
| 1544 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1545 ++fromp; |
| 1546 --from_size; | |
| 595 | 1547 if (bad_char_behavior == BAD_KEEP) |
| 1548 { | |
| 1549 *top++ = *(fromp - 1); | |
| 1550 --to_size; | |
| 1551 } | |
| 1552 else if (bad_char_behavior != BAD_DROP) | |
| 1553 { | |
| 1554 *top++ = bad_char_behavior; | |
| 1555 --to_size; | |
| 1556 } | |
| 177 | 1557 } |
| 7 | 1558 |
| 1559 if (from_size > 0) | |
| 1560 { | |
| 1561 /* Some remaining characters, keep them for the next | |
| 1562 * round. */ | |
| 1563 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1564 conv_restlen = (int)from_size; | |
| 1565 } | |
| 1566 | |
| 1567 /* move the linerest to before the converted characters */ | |
| 1568 line_start = ptr - linerest; | |
| 1569 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1570 size = (long)((char_u *)top - ptr); | |
| 1571 } | |
| 1572 # endif | |
| 1573 | |
| 1574 # ifdef WIN3264 | |
| 1575 if (fio_flags & FIO_CODEPAGE) | |
| 1576 { | |
| 595 | 1577 char_u *src, *dst; |
| 1578 WCHAR ucs2buf[3]; | |
| 1579 int ucs2len; | |
| 1580 int codepage = FIO_GET_CP(fio_flags); | |
| 1581 int bytelen; | |
| 1582 int found_bad; | |
| 1583 char replstr[2]; | |
| 1584 | |
| 7 | 1585 /* |
| 1586 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1587 * a codepage, using standard MS-Windows functions. This |
| 1588 * requires two steps: | |
| 1589 * 1. convert from 'fileencoding' to ucs-2 | |
| 1590 * 2. convert from ucs-2 to 'encoding' | |
| 1591 * | |
| 1592 * Because there may be illegal bytes AND an incomplete byte | |
| 1593 * sequence at the end, we may have to do the conversion one | |
| 1594 * character at a time to get it right. | |
| 7 | 1595 */ |
| 595 | 1596 |
| 1597 /* Replacement string for WideCharToMultiByte(). */ | |
| 1598 if (bad_char_behavior > 0) | |
| 1599 replstr[0] = bad_char_behavior; | |
| 1600 else | |
| 1601 replstr[0] = '?'; | |
| 1602 replstr[1] = NUL; | |
| 1603 | |
| 1604 /* | |
| 1605 * Move the bytes to the end of the buffer, so that we have | |
| 1606 * room to put the result at the start. | |
| 1607 */ | |
| 1608 src = ptr + real_size - size; | |
| 1609 mch_memmove(src, ptr, size); | |
| 7 | 1610 |
| 1611 /* | |
| 595 | 1612 * Do the conversion. |
| 7 | 1613 */ |
| 595 | 1614 dst = ptr; |
| 1615 size = size; | |
| 1616 while (size > 0) | |
| 7 | 1617 { |
| 595 | 1618 found_bad = FALSE; |
| 7 | 1619 |
| 1620 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1621 if (codepage == CP_UTF8) |
| 7 | 1622 { |
| 595 | 1623 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1624 * trailing bytes properly. | |
| 1625 * Get one UTF-8 character from src. */ | |
| 835 | 1626 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1627 if (bytelen > size) |
| 1628 { | |
| 1629 /* Only got some bytes of a character. Normally | |
| 1630 * it's put in "conv_rest", but if it's too long | |
| 1631 * deal with it as if they were illegal bytes. */ | |
| 1632 if (bytelen <= CONV_RESTLEN) | |
| 1633 break; | |
| 1634 | |
| 1635 /* weird overlong byte sequence */ | |
| 1636 bytelen = size; | |
| 1637 found_bad = TRUE; | |
| 1638 } | |
| 1639 else | |
| 1640 { | |
| 799 | 1641 int u8c = utf_ptr2char(src); |
| 1642 | |
| 622 | 1643 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1644 found_bad = TRUE; |
| 1645 ucs2buf[0] = u8c; | |
| 1646 ucs2len = 1; | |
| 1647 } | |
| 7 | 1648 } |
| 595 | 1649 else |
| 7 | 1650 # endif |
| 595 | 1651 { |
| 1652 /* We don't know how long the byte sequence is, try | |
| 1653 * from one to three bytes. */ | |
| 1654 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1655 ++bytelen) | |
| 1656 { | |
| 1657 ucs2len = MultiByteToWideChar(codepage, | |
| 1658 MB_ERR_INVALID_CHARS, | |
| 1659 (LPCSTR)src, bytelen, | |
| 1660 ucs2buf, 3); | |
| 1661 if (ucs2len > 0) | |
| 1662 break; | |
| 1663 } | |
| 1664 if (ucs2len == 0) | |
| 1665 { | |
| 1666 /* If we have only one byte then it's probably an | |
| 1667 * incomplete byte sequence. Otherwise discard | |
| 1668 * one byte as a bad character. */ | |
| 1669 if (size == 1) | |
| 1670 break; | |
| 1671 found_bad = TRUE; | |
| 1672 bytelen = 1; | |
| 1673 } | |
| 1674 } | |
| 1675 | |
| 1676 if (!found_bad) | |
| 7 | 1677 { |
| 595 | 1678 int i; |
| 1679 | |
| 1680 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1681 if (enc_utf8) | |
| 1682 { | |
| 1683 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1684 for (i = 0; i < ucs2len; ++i) | |
| 1685 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1686 } | |
| 1687 else | |
| 1688 { | |
| 1689 BOOL bad = FALSE; | |
| 1690 int dstlen; | |
| 1691 | |
| 1692 /* From UCS-2 to "enc_codepage". If the | |
| 1693 * conversion uses the default character "?", | |
| 1694 * the data doesn't fit in this encoding. */ | |
| 1695 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1696 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1697 (LPSTR)dst, (int)(src - dst), |
| 595 | 1698 replstr, &bad); |
| 1699 if (bad) | |
| 1700 found_bad = TRUE; | |
| 1701 else | |
| 1702 dst += dstlen; | |
| 1703 } | |
| 7 | 1704 } |
| 595 | 1705 |
| 1706 if (found_bad) | |
| 1707 { | |
| 1708 /* Deal with bytes we can't convert. */ | |
| 1709 if (can_retry) | |
| 1710 goto rewind_retry; | |
| 1711 if (conv_error == 0) | |
| 1712 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1713 if (bad_char_behavior != BAD_DROP) | |
| 1714 { | |
| 1715 if (bad_char_behavior == BAD_KEEP) | |
| 1716 { | |
| 1717 mch_memmove(dst, src, bytelen); | |
| 1718 dst += bytelen; | |
| 1719 } | |
| 1720 else | |
| 1721 *dst++ = bad_char_behavior; | |
| 1722 } | |
| 1723 } | |
| 1724 | |
| 1725 src += bytelen; | |
| 1726 size -= bytelen; | |
| 7 | 1727 } |
| 595 | 1728 |
| 1729 if (size > 0) | |
| 7 | 1730 { |
| 595 | 1731 /* An incomplete byte sequence remaining. */ |
| 1732 mch_memmove(conv_rest, src, size); | |
| 1733 conv_restlen = size; | |
| 7 | 1734 } |
| 595 | 1735 |
| 1736 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1737 size = (long)(dst - ptr); |
| 7 | 1738 } |
| 1739 else | |
| 1740 # endif | |
| 765 | 1741 # ifdef MACOS_CONVERT |
| 7 | 1742 if (fio_flags & FIO_MACROMAN) |
| 1743 { | |
| 1744 /* | |
| 1745 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1746 * latin1. This is in os_mac_conv.c. |
| 7 | 1747 */ |
| 18 | 1748 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1749 goto rewind_retry; |
| 1750 } | |
| 1751 else | |
| 1752 # endif | |
| 1753 if (fio_flags != 0) | |
| 1754 { | |
| 1755 int u8c; | |
| 1756 char_u *dest; | |
| 1757 char_u *tail = NULL; | |
| 1758 | |
| 1759 /* | |
| 1760 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1761 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1762 * Go from end to start through the buffer, because the number | |
| 1763 * of bytes may increase. | |
| 1764 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1765 * to after the next character to convert. | |
| 1766 */ | |
| 1767 dest = ptr + real_size; | |
| 1768 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1769 { | |
| 1770 p = ptr + size; | |
| 1771 if (fio_flags == FIO_UTF8) | |
| 1772 { | |
| 1773 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1774 tail = ptr + size - 1; | |
| 1775 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1776 --tail; | |
| 1777 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1778 tail = NULL; | |
| 1779 else | |
| 1780 p = tail; | |
| 1781 } | |
| 1782 } | |
| 1783 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1784 { | |
| 1785 /* Check for a trailing byte */ | |
| 1786 p = ptr + (size & ~1); | |
| 1787 if (size & 1) | |
| 1788 tail = p; | |
| 1789 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1790 { | |
| 1791 /* Check for a trailing leading word */ | |
| 1792 if (fio_flags & FIO_ENDIAN_L) | |
| 1793 { | |
| 1794 u8c = (*--p << 8); | |
| 1795 u8c += *--p; | |
| 1796 } | |
| 1797 else | |
| 1798 { | |
| 1799 u8c = *--p; | |
| 1800 u8c += (*--p << 8); | |
| 1801 } | |
| 1802 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1803 tail = p; | |
| 1804 else | |
| 1805 p += 2; | |
| 1806 } | |
| 1807 } | |
| 1808 else /* FIO_UCS4 */ | |
| 1809 { | |
| 1810 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1811 p = ptr + (size & ~3); | |
| 1812 if (size & 3) | |
| 1813 tail = p; | |
| 1814 } | |
| 1815 | |
| 1816 /* If there is a trailing incomplete sequence move it to | |
| 1817 * conv_rest[]. */ | |
| 1818 if (tail != NULL) | |
| 1819 { | |
| 1820 conv_restlen = (int)((ptr + size) - tail); | |
| 1821 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1822 size -= conv_restlen; | |
| 1823 } | |
| 1824 | |
| 1825 | |
| 1826 while (p > ptr) | |
| 1827 { | |
| 1828 if (fio_flags & FIO_LATIN1) | |
| 1829 u8c = *--p; | |
| 1830 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1831 { | |
| 1832 if (fio_flags & FIO_ENDIAN_L) | |
| 1833 { | |
| 1834 u8c = (*--p << 8); | |
| 1835 u8c += *--p; | |
| 1836 } | |
| 1837 else | |
| 1838 { | |
| 1839 u8c = *--p; | |
| 1840 u8c += (*--p << 8); | |
| 1841 } | |
| 1842 if ((fio_flags & FIO_UTF16) | |
| 1843 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1844 { | |
| 1845 int u16c; | |
| 1846 | |
| 1847 if (p == ptr) | |
| 1848 { | |
| 1849 /* Missing leading word. */ | |
| 1850 if (can_retry) | |
| 1851 goto rewind_retry; | |
| 595 | 1852 if (conv_error == 0) |
| 1853 conv_error = readfile_linenr(linecnt, | |
| 1854 ptr, p); | |
| 1855 if (bad_char_behavior == BAD_DROP) | |
| 1856 continue; | |
| 1857 if (bad_char_behavior != BAD_KEEP) | |
| 1858 u8c = bad_char_behavior; | |
| 7 | 1859 } |
| 1860 | |
| 1861 /* found second word of double-word, get the first | |
| 1862 * word and compute the resulting character */ | |
| 1863 if (fio_flags & FIO_ENDIAN_L) | |
| 1864 { | |
| 1865 u16c = (*--p << 8); | |
| 1866 u16c += *--p; | |
| 1867 } | |
| 1868 else | |
| 1869 { | |
| 1870 u16c = *--p; | |
| 1871 u16c += (*--p << 8); | |
| 1872 } | |
| 595 | 1873 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1874 + (u8c & 0x3ff); | |
| 1875 | |
| 7 | 1876 /* Check if the word is indeed a leading word. */ |
| 1877 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1878 { | |
| 1879 if (can_retry) | |
| 1880 goto rewind_retry; | |
| 595 | 1881 if (conv_error == 0) |
| 1882 conv_error = readfile_linenr(linecnt, | |
| 1883 ptr, p); | |
| 1884 if (bad_char_behavior == BAD_DROP) | |
| 1885 continue; | |
| 1886 if (bad_char_behavior != BAD_KEEP) | |
| 1887 u8c = bad_char_behavior; | |
| 7 | 1888 } |
| 1889 } | |
| 1890 } | |
| 1891 else if (fio_flags & FIO_UCS4) | |
| 1892 { | |
| 1893 if (fio_flags & FIO_ENDIAN_L) | |
| 1894 { | |
| 1895 u8c = (*--p << 24); | |
| 1896 u8c += (*--p << 16); | |
| 1897 u8c += (*--p << 8); | |
| 1898 u8c += *--p; | |
| 1899 } | |
| 1900 else /* big endian */ | |
| 1901 { | |
| 1902 u8c = *--p; | |
| 1903 u8c += (*--p << 8); | |
| 1904 u8c += (*--p << 16); | |
| 1905 u8c += (*--p << 24); | |
| 1906 } | |
| 1907 } | |
| 1908 else /* UTF-8 */ | |
| 1909 { | |
| 1910 if (*--p < 0x80) | |
| 1911 u8c = *p; | |
| 1912 else | |
| 1913 { | |
| 1914 len = utf_head_off(ptr, p); | |
| 595 | 1915 p -= len; |
| 1916 u8c = utf_ptr2char(p); | |
| 7 | 1917 if (len == 0) |
| 1918 { | |
| 1919 /* Not a valid UTF-8 character, retry with | |
| 1920 * another fenc when possible, otherwise just | |
| 1921 * report the error. */ | |
| 1922 if (can_retry) | |
| 1923 goto rewind_retry; | |
| 595 | 1924 if (conv_error == 0) |
| 1925 conv_error = readfile_linenr(linecnt, | |
| 1926 ptr, p); | |
| 1927 if (bad_char_behavior == BAD_DROP) | |
| 1928 continue; | |
| 1929 if (bad_char_behavior != BAD_KEEP) | |
| 1930 u8c = bad_char_behavior; | |
| 7 | 1931 } |
| 1932 } | |
| 1933 } | |
| 1934 if (enc_utf8) /* produce UTF-8 */ | |
| 1935 { | |
| 1936 dest -= utf_char2len(u8c); | |
| 1937 (void)utf_char2bytes(u8c, dest); | |
| 1938 } | |
| 1939 else /* produce Latin1 */ | |
| 1940 { | |
| 1941 --dest; | |
| 1942 if (u8c >= 0x100) | |
| 1943 { | |
| 1944 /* character doesn't fit in latin1, retry with | |
| 1945 * another fenc when possible, otherwise just | |
| 1946 * report the error. */ | |
| 595 | 1947 if (can_retry) |
| 7 | 1948 goto rewind_retry; |
| 595 | 1949 if (conv_error == 0) |
| 1950 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1951 if (bad_char_behavior == BAD_DROP) | |
| 1952 ++dest; | |
| 1953 else if (bad_char_behavior == BAD_KEEP) | |
| 1954 *dest = u8c; | |
| 1955 else if (eap != NULL && eap->bad_char != 0) | |
| 1956 *dest = bad_char_behavior; | |
| 1957 else | |
| 1958 *dest = 0xBF; | |
| 7 | 1959 } |
| 1960 else | |
| 1961 *dest = u8c; | |
| 1962 } | |
| 1963 } | |
| 1964 | |
| 1965 /* move the linerest to before the converted characters */ | |
| 1966 line_start = dest - linerest; | |
| 1967 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1968 size = (long)((ptr + real_size) - dest); | |
| 1969 ptr = dest; | |
| 1970 } | |
| 1597 | 1971 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1972 { | |
| 1973 int incomplete_tail = FALSE; | |
| 1974 | |
| 1975 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1976 for (p = ptr; ; ++p) | |
| 7 | 1977 { |
| 835 | 1978 int todo = (int)((ptr + size) - p); |
| 595 | 1979 int l; |
| 1980 | |
| 1981 if (todo <= 0) | |
| 1982 break; | |
| 7 | 1983 if (*p >= 0x80) |
| 1984 { | |
| 1985 /* A length of 1 means it's an illegal byte. Accept | |
| 1986 * an incomplete character at the end though, the next | |
| 1987 * read() will get the next bytes, we'll check it | |
| 1988 * then. */ | |
| 595 | 1989 l = utf_ptr2len_len(p, todo); |
| 1597 | 1990 if (l > todo && !incomplete_tail) |
| 7 | 1991 { |
| 1597 | 1992 /* Avoid retrying with a different encoding when |
| 1993 * a truncated file is more likely, or attempting | |
| 1994 * to read the rest of an incomplete sequence when | |
| 1995 * we have already done so. */ | |
| 1996 if (p > ptr || filesize > 0) | |
| 1997 incomplete_tail = TRUE; | |
| 1998 /* Incomplete byte sequence, move it to conv_rest[] | |
| 1999 * and try to read the rest of it, unless we've | |
| 2000 * already done so. */ | |
| 2001 if (p > ptr) | |
| 2002 { | |
| 2003 conv_restlen = todo; | |
| 2004 mch_memmove(conv_rest, p, conv_restlen); | |
| 2005 size -= conv_restlen; | |
| 2006 break; | |
| 2007 } | |
| 7 | 2008 } |
| 1597 | 2009 if (l == 1 || l > todo) |
| 595 | 2010 { |
| 2011 /* Illegal byte. If we can try another encoding | |
| 1597 | 2012 * do that, unless at EOF where a truncated |
| 2013 * file is more likely than a conversion error. */ | |
| 2014 if (can_retry && !incomplete_tail) | |
| 595 | 2015 break; |
| 2016 # ifdef USE_ICONV | |
| 2017 /* When we did a conversion report an error. */ | |
| 2018 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2019 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2020 # endif | |
| 1597 | 2021 /* Remember the first linenr with an illegal byte */ |
| 2022 if (conv_error == 0 && illegal_byte == 0) | |
| 2023 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2024 |
| 2025 /* Drop, keep or replace the bad byte. */ | |
| 2026 if (bad_char_behavior == BAD_DROP) | |
| 2027 { | |
| 1597 | 2028 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2029 --p; |
| 2030 --size; | |
| 2031 } | |
| 2032 else if (bad_char_behavior != BAD_KEEP) | |
| 2033 *p = bad_char_behavior; | |
| 2034 } | |
| 1597 | 2035 else |
| 2036 p += l - 1; | |
| 7 | 2037 } |
| 2038 } | |
| 1597 | 2039 if (p < ptr + size && !incomplete_tail) |
| 7 | 2040 { |
| 2041 /* Detected a UTF-8 error. */ | |
| 2042 rewind_retry: | |
| 595 | 2043 /* Retry reading with another conversion. */ |
| 7 | 2044 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2045 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2046 /* iconv() failed, try 'charconvert' */ | |
| 2047 did_iconv = TRUE; | |
| 7 | 2048 else |
| 2049 # endif | |
| 595 | 2050 /* use next item from 'fileencodings' */ |
| 2051 advance_fenc = TRUE; | |
| 2052 file_rewind = TRUE; | |
| 2053 goto retry; | |
| 7 | 2054 } |
| 2055 } | |
| 2056 #endif | |
| 2057 | |
| 2058 /* count the number of characters (after conversion!) */ | |
| 2059 filesize += size; | |
| 2060 | |
| 2061 /* | |
| 2062 * when reading the first part of a file: guess EOL type | |
| 2063 */ | |
| 2064 if (fileformat == EOL_UNKNOWN) | |
| 2065 { | |
| 2066 /* First try finding a NL, for Dos and Unix */ | |
| 2067 if (try_dos || try_unix) | |
| 2068 { | |
| 2069 for (p = ptr; p < ptr + size; ++p) | |
| 2070 { | |
| 2071 if (*p == NL) | |
| 2072 { | |
| 2073 if (!try_unix | |
| 2074 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2075 fileformat = EOL_DOS; | |
| 2076 else | |
| 2077 fileformat = EOL_UNIX; | |
| 2078 break; | |
| 2079 } | |
| 2080 } | |
| 2081 | |
| 2082 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2083 if (fileformat == EOL_UNIX && try_mac) | |
| 2084 { | |
| 2085 /* Need to reset the counters when retrying fenc. */ | |
| 2086 try_mac = 1; | |
| 2087 try_unix = 1; | |
| 2088 for (; p >= ptr && *p != CAR; p--) | |
| 2089 ; | |
| 2090 if (p >= ptr) | |
| 2091 { | |
| 2092 for (p = ptr; p < ptr + size; ++p) | |
| 2093 { | |
| 2094 if (*p == NL) | |
| 2095 try_unix++; | |
| 2096 else if (*p == CAR) | |
| 2097 try_mac++; | |
| 2098 } | |
| 2099 if (try_mac > try_unix) | |
| 2100 fileformat = EOL_MAC; | |
| 2101 } | |
| 2102 } | |
| 2103 } | |
| 2104 | |
| 2105 /* No NL found: may use Mac format */ | |
| 2106 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2107 fileformat = EOL_MAC; | |
| 2108 | |
| 2109 /* Still nothing found? Use first format in 'ffs' */ | |
| 2110 if (fileformat == EOL_UNKNOWN) | |
| 2111 fileformat = default_fileformat(); | |
| 2112 | |
| 2113 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2114 if (set_options) |
| 7 | 2115 set_fileformat(fileformat, OPT_LOCAL); |
| 2116 } | |
| 2117 } | |
| 2118 | |
| 2119 /* | |
| 2120 * This loop is executed once for every character read. | |
| 2121 * Keep it fast! | |
| 2122 */ | |
| 2123 if (fileformat == EOL_MAC) | |
| 2124 { | |
| 2125 --ptr; | |
| 2126 while (++ptr, --size >= 0) | |
| 2127 { | |
| 2128 /* catch most common case first */ | |
| 2129 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2130 continue; | |
| 2131 if (c == NUL) | |
| 2132 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2133 else if (c == NL) | |
| 2134 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2135 else | |
| 2136 { | |
| 2137 if (skip_count == 0) | |
| 2138 { | |
| 2139 *ptr = NUL; /* end of line */ | |
| 2140 len = (colnr_T) (ptr - line_start + 1); | |
| 2141 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2142 { | |
| 2143 error = TRUE; | |
| 2144 break; | |
| 2145 } | |
|
2214
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parents:
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diff
changeset
|
2146 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
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parents:
2210
diff
changeset
|
2147 if (read_undo_file) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2148 sha256_update(&sha_ctx, line_start, len); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2149 #endif |
| 7 | 2150 ++lnum; |
| 2151 if (--read_count == 0) | |
| 2152 { | |
| 2153 error = TRUE; /* break loop */ | |
| 2154 line_start = ptr; /* nothing left to write */ | |
| 2155 break; | |
| 2156 } | |
| 2157 } | |
| 2158 else | |
| 2159 --skip_count; | |
| 2160 line_start = ptr + 1; | |
| 2161 } | |
| 2162 } | |
| 2163 } | |
| 2164 else | |
| 2165 { | |
| 2166 --ptr; | |
| 2167 while (++ptr, --size >= 0) | |
| 2168 { | |
| 2169 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2170 continue; | |
| 2171 if (c == NUL) | |
| 2172 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2173 else | |
| 2174 { | |
| 2175 if (skip_count == 0) | |
| 2176 { | |
| 2177 *ptr = NUL; /* end of line */ | |
| 2178 len = (colnr_T)(ptr - line_start + 1); | |
| 2179 if (fileformat == EOL_DOS) | |
| 2180 { | |
| 2181 if (ptr[-1] == CAR) /* remove CR */ | |
| 2182 { | |
| 2183 ptr[-1] = NUL; | |
| 2184 --len; | |
| 2185 } | |
| 2186 /* | |
| 2187 * Reading in Dos format, but no CR-LF found! | |
| 2188 * When 'fileformats' includes "unix", delete all | |
| 2189 * the lines read so far and start all over again. | |
| 2190 * Otherwise give an error message later. | |
| 2191 */ | |
| 2192 else if (ff_error != EOL_DOS) | |
| 2193 { | |
| 2194 if ( try_unix | |
| 2195 && !read_stdin | |
| 2196 && (read_buffer | |
| 2197 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2198 { | |
| 2199 fileformat = EOL_UNIX; | |
| 819 | 2200 if (set_options) |
| 7 | 2201 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2202 file_rewind = TRUE; | |
| 2203 keep_fileformat = TRUE; | |
| 2204 goto retry; | |
| 2205 } | |
| 2206 ff_error = EOL_DOS; | |
| 2207 } | |
| 2208 } | |
| 2209 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2210 { | |
| 2211 error = TRUE; | |
| 2212 break; | |
| 2213 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2214 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2215 if (read_undo_file) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2216 sha256_update(&sha_ctx, line_start, len); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2217 #endif |
| 7 | 2218 ++lnum; |
| 2219 if (--read_count == 0) | |
| 2220 { | |
| 2221 error = TRUE; /* break loop */ | |
| 2222 line_start = ptr; /* nothing left to write */ | |
| 2223 break; | |
| 2224 } | |
| 2225 } | |
| 2226 else | |
| 2227 --skip_count; | |
| 2228 line_start = ptr + 1; | |
| 2229 } | |
| 2230 } | |
| 2231 } | |
| 2232 linerest = (long)(ptr - line_start); | |
| 2233 ui_breakcheck(); | |
| 2234 } | |
| 2235 | |
| 2236 failed: | |
| 2237 /* not an error, max. number of lines reached */ | |
| 2238 if (error && read_count == 0) | |
| 2239 error = FALSE; | |
| 2240 | |
| 2241 /* | |
| 2242 * If we get EOF in the middle of a line, note the fact and | |
| 2243 * complete the line ourselves. | |
| 2244 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2245 */ | |
| 2246 if (!error | |
| 2247 && !got_int | |
| 2248 && linerest != 0 | |
| 2249 && !(!curbuf->b_p_bin | |
| 2250 && fileformat == EOL_DOS | |
| 2251 && *line_start == Ctrl_Z | |
| 2252 && ptr == line_start + 1)) | |
| 2253 { | |
| 819 | 2254 /* remember for when writing */ |
| 2255 if (set_options) | |
| 7 | 2256 curbuf->b_p_eol = FALSE; |
| 2257 *ptr = NUL; | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2258 len = (colnr_T)(ptr - line_start + 1); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2259 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
| 7 | 2260 error = TRUE; |
| 2261 else | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2262 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2263 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2264 if (read_undo_file) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2265 sha256_update(&sha_ctx, line_start, len); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2266 #endif |
| 7 | 2267 read_no_eol_lnum = ++lnum; |
|
2214
f8222d1f9a73
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2268 } |
| 7 | 2269 } |
| 2270 | |
| 819 | 2271 if (set_options) |
| 7 | 2272 save_file_ff(curbuf); /* remember the current file format */ |
| 2273 | |
| 2274 #ifdef FEAT_CRYPT | |
| 2275 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
|
2276 free_crypt_key(cryptkey); |
| 7 | 2277 #endif |
| 2278 | |
| 2279 #ifdef FEAT_MBYTE | |
| 819 | 2280 /* If editing a new file: set 'fenc' for the current buffer. |
| 2281 * Also for ":read ++edit file". */ | |
| 2282 if (set_options) | |
| 7 | 2283 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2284 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2285 if (fenc_alloced) |
| 2286 vim_free(fenc); | |
| 2287 # ifdef USE_ICONV | |
| 2288 if (iconv_fd != (iconv_t)-1) | |
| 2289 { | |
| 2290 iconv_close(iconv_fd); | |
| 2291 iconv_fd = (iconv_t)-1; | |
| 2292 } | |
| 2293 # endif | |
| 2294 #endif | |
| 2295 | |
| 2296 if (!read_buffer && !read_stdin) | |
| 2297 close(fd); /* errors are ignored */ | |
| 2003 | 2298 #ifdef HAVE_FD_CLOEXEC |
| 2299 else | |
| 2300 { | |
| 2301 int fdflags = fcntl(fd, F_GETFD); | |
| 2302 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2303 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2304 } | |
| 2305 #endif | |
| 7 | 2306 vim_free(buffer); |
| 2307 | |
| 2308 #ifdef HAVE_DUP | |
| 2309 if (read_stdin) | |
| 2310 { | |
| 2311 /* Use stderr for stdin, makes shell commands work. */ | |
| 2312 close(0); | |
| 1757 | 2313 ignored = dup(2); |
| 7 | 2314 } |
| 2315 #endif | |
| 2316 | |
| 2317 #ifdef FEAT_MBYTE | |
| 2318 if (tmpname != NULL) | |
| 2319 { | |
| 2320 mch_remove(tmpname); /* delete converted file */ | |
| 2321 vim_free(tmpname); | |
| 2322 } | |
| 2323 #endif | |
| 2324 --no_wait_return; /* may wait for return now */ | |
| 2325 | |
| 2326 /* | |
| 2327 * In recovery mode everything but autocommands is skipped. | |
| 2328 */ | |
| 2329 if (!recoverymode) | |
| 2330 { | |
| 2331 /* need to delete the last line, which comes from the empty buffer */ | |
| 2332 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2333 { | |
| 2334 #ifdef FEAT_NETBEANS_INTG | |
| 2335 netbeansFireChanges = 0; | |
| 2336 #endif | |
| 2337 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2338 #ifdef FEAT_NETBEANS_INTG | |
| 2339 netbeansFireChanges = 1; | |
| 2340 #endif | |
| 2341 --linecnt; | |
| 2342 } | |
| 2343 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2344 if (filesize == 0) | |
| 2345 linecnt = 0; | |
| 2346 if (newfile || read_buffer) | |
| 1201 | 2347 { |
| 7 | 2348 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2349 #ifdef FEAT_DIFF |
| 2350 /* After reading the text into the buffer the diff info needs to | |
| 2351 * be updated. */ | |
| 2352 diff_invalidate(curbuf); | |
| 2353 #endif | |
| 2354 #ifdef FEAT_FOLDING | |
| 2355 /* All folds in the window are invalid now. Mark them for update | |
| 2356 * before triggering autocommands. */ | |
| 2357 foldUpdateAll(curwin); | |
| 2358 #endif | |
| 2359 } | |
| 7 | 2360 else if (linecnt) /* appended at least one line */ |
| 2361 appended_lines_mark(from, linecnt); | |
| 2362 | |
| 2363 #ifndef ALWAYS_USE_GUI | |
| 2364 /* | |
| 2365 * If we were reading from the same terminal as where messages go, | |
| 2366 * the screen will have been messed up. | |
| 2367 * Switch on raw mode now and clear the screen. | |
| 2368 */ | |
| 2369 if (read_stdin) | |
| 2370 { | |
| 2371 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2372 starttermcap(); | |
| 2373 screenclear(); | |
| 2374 } | |
| 2375 #endif | |
| 2376 | |
| 2377 if (got_int) | |
| 2378 { | |
| 2379 if (!(flags & READ_DUMMY)) | |
| 2380 { | |
| 2381 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2382 if (newfile) | |
| 2383 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2384 } | |
| 2385 msg_scroll = msg_save; | |
| 2386 #ifdef FEAT_VIMINFO | |
| 2387 check_marks_read(); | |
| 2388 #endif | |
| 2389 return OK; /* an interrupt isn't really an error */ | |
| 2390 } | |
| 2391 | |
| 2392 if (!filtering && !(flags & READ_DUMMY)) | |
| 2393 { | |
| 2394 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2395 c = FALSE; | |
| 2396 | |
| 2397 #ifdef UNIX | |
| 2398 # ifdef S_ISFIFO | |
| 2399 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2400 { | |
| 2401 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2402 c = TRUE; | |
| 2403 } | |
| 2404 # else | |
| 2405 # ifdef S_IFIFO | |
| 2406 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2407 { | |
| 2408 STRCAT(IObuff, _("[fifo]")); | |
| 2409 c = TRUE; | |
| 2410 } | |
| 2411 # endif | |
| 2412 # ifdef S_IFSOCK | |
| 2413 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2414 { | |
| 2415 STRCAT(IObuff, _("[socket]")); | |
| 2416 c = TRUE; | |
| 2417 } | |
| 2418 # endif | |
| 2419 # endif | |
| 1313 | 2420 # ifdef OPEN_CHR_FILES |
| 2421 if (S_ISCHR(perm)) /* or character special */ | |
| 2422 { | |
| 2423 STRCAT(IObuff, _("[character special]")); | |
| 2424 c = TRUE; | |
| 2425 } | |
| 2426 # endif | |
| 7 | 2427 #endif |
| 2428 if (curbuf->b_p_ro) | |
| 2429 { | |
| 2430 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2431 c = TRUE; | |
| 2432 } | |
| 2433 if (read_no_eol_lnum) | |
| 2434 { | |
| 2435 msg_add_eol(); | |
| 2436 c = TRUE; | |
| 2437 } | |
| 2438 if (ff_error == EOL_DOS) | |
| 2439 { | |
| 2440 STRCAT(IObuff, _("[CR missing]")); | |
| 2441 c = TRUE; | |
| 2442 } | |
| 2443 if (split) | |
| 2444 { | |
| 2445 STRCAT(IObuff, _("[long lines split]")); | |
| 2446 c = TRUE; | |
| 2447 } | |
| 2448 #ifdef FEAT_MBYTE | |
| 2449 if (notconverted) | |
| 2450 { | |
| 2451 STRCAT(IObuff, _("[NOT converted]")); | |
| 2452 c = TRUE; | |
| 2453 } | |
| 2454 else if (converted) | |
| 2455 { | |
| 2456 STRCAT(IObuff, _("[converted]")); | |
| 2457 c = TRUE; | |
| 2458 } | |
| 2459 #endif | |
| 2460 #ifdef FEAT_CRYPT | |
| 2461 if (cryptkey != NULL) | |
| 2462 { | |
| 2463 STRCAT(IObuff, _("[crypted]")); | |
| 2464 c = TRUE; | |
| 2465 } | |
| 2466 #endif | |
| 2467 #ifdef FEAT_MBYTE | |
| 595 | 2468 if (conv_error != 0) |
| 2469 { | |
| 2470 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2471 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2472 c = TRUE; |
| 2473 } | |
| 2474 else if (illegal_byte > 0) | |
| 2475 { | |
| 2476 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2477 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2478 c = TRUE; | |
| 2479 } | |
| 2480 else | |
| 2481 #endif | |
| 2482 if (error) | |
| 2483 { | |
| 2484 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2485 c = TRUE; | |
| 2486 } | |
| 2487 if (msg_add_fileformat(fileformat)) | |
| 2488 c = TRUE; | |
| 2489 #ifdef FEAT_CRYPT | |
| 2490 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
|
2491 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
|
2492 - CRYPT_MAGIC_LEN - crypt_seed_len[use_crypt_method]); |
| 7 | 2493 else |
| 2494 #endif | |
| 2495 msg_add_lines(c, (long)linecnt, filesize); | |
| 2496 | |
| 2497 vim_free(keep_msg); | |
| 2498 keep_msg = NULL; | |
| 2499 msg_scrolled_ign = TRUE; | |
| 2500 #ifdef ALWAYS_USE_GUI | |
| 2501 /* Don't show the message when reading stdin, it would end up in a | |
| 2502 * message box (which might be shown when exiting!) */ | |
| 2503 if (read_stdin || read_buffer) | |
| 2504 p = msg_may_trunc(FALSE, IObuff); | |
| 2505 else | |
| 2506 #endif | |
| 2507 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2508 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2509 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2510 /* Need to repeat the message after redrawing when: |
| 2511 * - When reading from stdin (the screen will be cleared next). | |
| 2512 * - When restart_edit is set (otherwise there will be a delay | |
| 2513 * before redrawing). | |
| 2514 * - When the screen was scrolled but there is no wait-return | |
| 2515 * prompt. */ | |
| 679 | 2516 set_keep_msg(p, 0); |
| 7 | 2517 msg_scrolled_ign = FALSE; |
| 2518 } | |
| 2519 | |
| 2520 /* with errors writing the file requires ":w!" */ | |
| 2521 if (newfile && (error | |
| 2522 #ifdef FEAT_MBYTE | |
| 595 | 2523 || conv_error != 0 |
| 679 | 2524 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2525 #endif |
| 2526 )) | |
| 2527 curbuf->b_p_ro = TRUE; | |
| 2528 | |
| 2529 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2530 | |
| 2531 /* | |
| 2532 * In Ex mode: cursor at last new line. | |
| 2533 * Otherwise: cursor at first new line. | |
| 2534 */ | |
| 2535 if (exmode_active) | |
| 2536 curwin->w_cursor.lnum = from + linecnt; | |
| 2537 else | |
| 2538 curwin->w_cursor.lnum = from + 1; | |
| 2539 check_cursor_lnum(); | |
| 2540 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2541 | |
| 2542 /* | |
| 2543 * Set '[ and '] marks to the newly read lines. | |
| 2544 */ | |
| 2545 curbuf->b_op_start.lnum = from + 1; | |
| 2546 curbuf->b_op_start.col = 0; | |
| 2547 curbuf->b_op_end.lnum = from + linecnt; | |
| 2548 curbuf->b_op_end.col = 0; | |
| 696 | 2549 |
| 2550 #ifdef WIN32 | |
| 2551 /* | |
| 2552 * Work around a weird problem: When a file has two links (only | |
| 2553 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2554 * through the other link, the timestamp information may be wrong. |
| 696 | 2555 * It's correct again after reading the file, thus reset the timestamp |
| 2556 * here. | |
| 2557 */ | |
| 2558 if (newfile && !read_stdin && !read_buffer | |
| 2559 && mch_stat((char *)fname, &st) >= 0) | |
| 2560 { | |
| 2561 buf_store_time(curbuf, &st, fname); | |
| 2562 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2563 } | |
| 2564 #endif | |
| 7 | 2565 } |
| 2566 msg_scroll = msg_save; | |
| 2567 | |
| 2568 #ifdef FEAT_VIMINFO | |
| 2569 /* | |
| 2570 * Get the marks before executing autocommands, so they can be used there. | |
| 2571 */ | |
| 2572 check_marks_read(); | |
| 2573 #endif | |
| 2574 | |
| 2575 /* | |
| 2576 * Trick: We remember if the last line of the read didn't have | |
| 2577 * an eol for when writing it again. This is required for | |
| 2578 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
| 2579 */ | |
| 2580 write_no_eol_lnum = read_no_eol_lnum; | |
| 2581 | |
|
2214
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|
2582 #ifdef FEAT_PERSISTENT_UNDO |
|
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|
2583 /* |
|
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|
2584 * When opening a new file locate undo info and read it. |
|
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|
2585 */ |
|
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|
2586 if (read_undo_file) |
|
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diff
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|
2587 { |
|
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|
2588 char_u hash[UNDO_HASH_SIZE]; |
|
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diff
changeset
|
2589 |
|
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diff
changeset
|
2590 sha256_finish(&sha_ctx, hash); |
|
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parents:
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|
2591 u_read_undo(NULL, hash); |
|
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|
2592 } |
|
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|
2593 #endif |
|
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|
2594 |
| 167 | 2595 #ifdef FEAT_AUTOCMD |
| 7 | 2596 if (!read_stdin && !read_buffer) |
| 2597 { | |
| 2598 int m = msg_scroll; | |
| 2599 int n = msg_scrolled; | |
| 2600 | |
| 2601 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2602 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2603 if (set_options) |
| 7 | 2604 save_file_ff(curbuf); |
| 2605 | |
| 2606 /* | |
| 2607 * The output from the autocommands should not overwrite anything and | |
| 2608 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2609 * output was done. | |
| 2610 */ | |
| 2611 msg_scroll = TRUE; | |
| 2612 if (filtering) | |
| 2613 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2614 FALSE, curbuf, eap); | |
| 2615 else if (newfile) | |
| 2616 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2617 FALSE, curbuf, eap); | |
| 2618 else | |
| 2619 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2620 FALSE, NULL, eap); | |
| 2621 if (msg_scrolled == n) | |
| 2622 msg_scroll = m; | |
| 2623 #ifdef FEAT_EVAL | |
| 2624 if (aborting()) /* autocmds may abort script processing */ | |
| 2625 return FAIL; | |
| 2626 #endif | |
| 2627 } | |
| 2628 #endif | |
| 2629 | |
| 2630 if (recoverymode && error) | |
| 2631 return FAIL; | |
| 2632 return OK; | |
| 2633 } | |
| 2634 | |
| 1313 | 2635 #ifdef OPEN_CHR_FILES |
| 2636 /* | |
| 2637 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2638 * which is the name of files used for process substitution output by | |
| 2639 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2640 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2641 */ | |
| 2642 static int | |
| 2643 is_dev_fd_file(fname) | |
| 2644 char_u *fname; | |
| 2645 { | |
| 2646 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2647 && VIM_ISDIGIT(fname[8]) | |
| 2648 && *skipdigits(fname + 9) == NUL | |
| 2649 && (fname[9] != NUL | |
| 2650 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2651 } | |
| 2652 #endif | |
| 2653 | |
| 595 | 2654 #ifdef FEAT_MBYTE |
| 2655 | |
| 2656 /* | |
| 2657 * From the current line count and characters read after that, estimate the | |
| 2658 * line number where we are now. | |
| 2659 * Used for error messages that include a line number. | |
| 2660 */ | |
| 2661 static linenr_T | |
| 2662 readfile_linenr(linecnt, p, endp) | |
| 2663 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2664 char_u *p; /* start of more bytes read */ | |
| 2665 char_u *endp; /* end of more bytes read */ | |
| 2666 { | |
| 2667 char_u *s; | |
| 2668 linenr_T lnum; | |
| 2669 | |
| 2670 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2671 for (s = p; s < endp; ++s) | |
| 2672 if (*s == '\n') | |
| 2673 ++lnum; | |
| 2674 return lnum; | |
| 2675 } | |
| 2676 #endif | |
| 2677 | |
| 7 | 2678 /* |
| 612 | 2679 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2680 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2681 * Returns OK or FAIL. |
| 2682 */ | |
| 2683 int | |
| 2684 prep_exarg(eap, buf) | |
| 2685 exarg_T *eap; | |
| 2686 buf_T *buf; | |
| 2687 { | |
| 2688 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2689 #ifdef FEAT_MBYTE | |
| 2690 + STRLEN(buf->b_p_fenc) | |
| 2691 #endif | |
| 2692 + 15)); | |
| 2693 if (eap->cmd == NULL) | |
| 2694 return FAIL; | |
| 2695 | |
| 2696 #ifdef FEAT_MBYTE | |
| 2697 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2698 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2699 eap->bad_char = buf->b_bad_char; |
| 7 | 2700 #else |
| 2701 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2702 #endif | |
| 2703 eap->force_ff = 7; | |
| 612 | 2704 |
| 2705 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2706 eap->read_edit = FALSE; |
| 612 | 2707 eap->forceit = FALSE; |
| 7 | 2708 return OK; |
| 2709 } | |
| 2710 | |
| 2711 #ifdef FEAT_MBYTE | |
| 2712 /* | |
| 2713 * Find next fileencoding to use from 'fileencodings'. | |
| 2714 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2715 * When there are no more items, an empty string is returned and *pp is set to | |
| 2716 * NULL. | |
| 2717 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2718 */ | |
| 2719 static char_u * | |
| 2720 next_fenc(pp) | |
| 2721 char_u **pp; | |
| 2722 { | |
| 2723 char_u *p; | |
| 2724 char_u *r; | |
| 2725 | |
| 2726 if (**pp == NUL) | |
| 2727 { | |
| 2728 *pp = NULL; | |
| 2729 return (char_u *)""; | |
| 2730 } | |
| 2731 p = vim_strchr(*pp, ','); | |
| 2732 if (p == NULL) | |
| 2733 { | |
| 2734 r = enc_canonize(*pp); | |
| 2735 *pp += STRLEN(*pp); | |
| 2736 } | |
| 2737 else | |
| 2738 { | |
| 2739 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2740 *pp = p + 1; | |
| 2741 if (r != NULL) | |
| 2742 { | |
| 2743 p = enc_canonize(r); | |
| 2744 vim_free(r); | |
| 2745 r = p; | |
| 2746 } | |
| 2747 } | |
| 2748 if (r == NULL) /* out of memory */ | |
| 2749 { | |
| 2750 r = (char_u *)""; | |
| 2751 *pp = NULL; | |
| 2752 } | |
| 2753 return r; | |
| 2754 } | |
| 2755 | |
| 2756 # ifdef FEAT_EVAL | |
| 2757 /* | |
| 2758 * Convert a file with the 'charconvert' expression. | |
| 2759 * This closes the file which is to be read, converts it and opens the | |
| 2760 * resulting file for reading. | |
| 2761 * Returns name of the resulting converted file (the caller should delete it | |
| 2762 * after reading it). | |
| 2763 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2764 */ | |
| 2765 static char_u * | |
| 2766 readfile_charconvert(fname, fenc, fdp) | |
| 2767 char_u *fname; /* name of input file */ | |
| 2768 char_u *fenc; /* converted from */ | |
| 2769 int *fdp; /* in/out: file descriptor of file */ | |
| 2770 { | |
| 2771 char_u *tmpname; | |
| 2772 char_u *errmsg = NULL; | |
| 2773 | |
| 2774 tmpname = vim_tempname('r'); | |
| 2775 if (tmpname == NULL) | |
| 2776 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2777 else | |
| 2778 { | |
| 2779 close(*fdp); /* close the input file, ignore errors */ | |
| 2780 *fdp = -1; | |
| 2781 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2782 fname, tmpname) == FAIL) | |
| 2783 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2784 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2785 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2786 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2787 } | |
| 2788 | |
| 2789 if (errmsg != NULL) | |
| 2790 { | |
| 2791 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2792 * another type of conversion might still work. */ | |
| 2793 MSG(errmsg); | |
| 2794 if (tmpname != NULL) | |
| 2795 { | |
| 2796 mch_remove(tmpname); /* delete converted file */ | |
| 2797 vim_free(tmpname); | |
| 2798 tmpname = NULL; | |
| 2799 } | |
| 2800 } | |
| 2801 | |
| 2802 /* If the input file is closed, open it (caller should check for error). */ | |
| 2803 if (*fdp < 0) | |
| 2804 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2805 | |
| 2806 return tmpname; | |
| 2807 } | |
| 2808 # endif | |
| 2809 | |
| 2810 #endif | |
| 2811 | |
| 2812 #ifdef FEAT_VIMINFO | |
| 2813 /* | |
| 2814 * Read marks for the current buffer from the viminfo file, when we support | |
| 2815 * buffer marks and the buffer has a name. | |
| 2816 */ | |
| 2817 static void | |
| 2818 check_marks_read() | |
| 2819 { | |
| 2820 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2821 && curbuf->b_ffname != NULL) | |
| 1733 | 2822 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2823 |
| 2824 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2825 * the ' parameter after opening a buffer. */ | |
| 2826 curbuf->b_marks_read = TRUE; | |
| 2827 } | |
| 2828 #endif | |
| 2829 | |
| 2830 #ifdef FEAT_CRYPT | |
| 2831 /* | |
|
2180
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|
2832 * Get the crypt method used for a file from "ptr[len]", the magic text at the |
|
f60a0c9cbe6c
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|
2833 * start of the file. |
|
f60a0c9cbe6c
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|
2834 * Returns -1 when no encryption used. |
|
f60a0c9cbe6c
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2835 */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2836 static int |
|
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
2837 get_crypt_method(ptr, len) |
|
f60a0c9cbe6c
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|
2838 char *ptr; |
|
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|
2839 int len; |
|
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|
2840 { |
|
f60a0c9cbe6c
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|
2841 int i; |
|
f60a0c9cbe6c
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|
2842 |
|
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|
2843 for (i = 0; i < (int)(sizeof(crypt_magic) / sizeof(crypt_magic[0])); i++) |
|
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|
2844 { |
|
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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2845 if (len < (CRYPT_MAGIC_LEN + crypt_seed_len[i])) |
|
f60a0c9cbe6c
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|
2846 continue; |
|
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|
2847 if (memcmp(ptr, crypt_magic[i], CRYPT_MAGIC_LEN) == 0) |
|
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|
2848 return i; |
|
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|
2849 } |
|
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2850 |
|
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|
2851 i = STRLEN(crypt_magic_head); |
|
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|
2852 if (len >= i && memcmp(ptr, crypt_magic_head, i) == 0) |
|
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|
2853 EMSG(_("E821: File is encrypted with unknown method")); |
|
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|
2854 |
|
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|
2855 return -1; |
|
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|
2856 } |
|
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|
2857 |
|
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2858 /* |
|
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|
2859 * Check for magic number used for encryption. Applies to the current buffer. |
| 7 | 2860 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
| 2861 * *filesizep are updated. | |
| 2862 * Return the (new) encryption key, NULL for no encryption. | |
| 2863 */ | |
| 2864 static char_u * | |
|
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|
2865 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, did_ask) |
| 7 | 2866 char_u *cryptkey; /* previous encryption key or NULL */ |
| 2867 char_u *ptr; /* pointer to read bytes */ | |
| 2868 long *sizep; /* length of read bytes */ | |
| 2869 long *filesizep; /* nr of bytes used from file */ | |
| 2870 int newfile; /* editing a new buffer */ | |
|
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2871 int *did_ask; /* flag: whether already asked for key */ |
| 7 | 2872 { |
|
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|
2873 int method = get_crypt_method((char *)ptr, *sizep); |
|
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|
2874 |
|
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|
2875 if (method >= 0) |
|
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2876 { |
|
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|
2877 curbuf->b_p_cm = method; |
|
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2878 use_crypt_method = method; |
|
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2879 if (method > 0) |
|
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2880 (void)blowfish_self_test(); |
|
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|
2881 if (cryptkey == NULL && !*did_ask) |
| 7 | 2882 { |
| 2883 if (*curbuf->b_p_key) | |
| 2884 cryptkey = curbuf->b_p_key; | |
| 2885 else | |
| 2886 { | |
|
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2887 /* When newfile is TRUE, store the typed key in the 'key' |
|
f60a0c9cbe6c
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changeset
|
2888 * option and don't free it. bf needs hash of the key saved. |
|
2204
c493d6bfde09
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Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2889 * Don't ask for the key again when first time Enter was hit. |
|
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2890 * Happens when retrying to detect encoding. */ |
| 7 | 2891 cryptkey = get_crypt_key(newfile, FALSE); |
|
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2892 *did_ask = TRUE; |
|
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2893 |
| 7 | 2894 /* check if empty key entered */ |
| 2895 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2896 { | |
| 2897 if (cryptkey != curbuf->b_p_key) | |
| 2898 vim_free(cryptkey); | |
| 2899 cryptkey = NULL; | |
| 2900 } | |
| 2901 } | |
| 2902 } | |
| 2903 | |
| 2904 if (cryptkey != NULL) | |
| 2905 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2906 int seed_len = crypt_seed_len[method]; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2907 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2908 if (method == 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2909 crypt_init_keys(cryptkey); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2910 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2911 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2912 bf_key_init(cryptkey); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2913 bf_ofb_init(ptr + 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
|
2914 } |
| 7 | 2915 |
| 2916 /* Remove magic number from the text */ | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2917 *filesizep += 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
|
2918 *sizep -= 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
|
2919 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + seed_len, (size_t)*sizep); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2920 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2921 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2922 /* When starting to edit a new file which does not have encryption, clear |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2923 * the 'key' option, except when starting up (called with -x argument) */ |
| 7 | 2924 else if (newfile && *curbuf->b_p_key && !starting) |
| 2925 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); | |
| 2926 | |
| 2927 return cryptkey; | |
| 2928 } | |
| 2929 #endif | |
| 2930 | |
| 2931 #ifdef UNIX | |
| 2932 static void | |
| 2933 set_file_time(fname, atime, mtime) | |
| 2934 char_u *fname; | |
| 2935 time_t atime; /* access time */ | |
| 2936 time_t mtime; /* modification time */ | |
| 2937 { | |
| 2938 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 2939 struct utimbuf buf; | |
| 2940 | |
| 2941 buf.actime = atime; | |
| 2942 buf.modtime = mtime; | |
| 2943 (void)utime((char *)fname, &buf); | |
| 2944 # else | |
| 2945 # if defined(HAVE_UTIMES) | |
| 2946 struct timeval tvp[2]; | |
| 2947 | |
| 2948 tvp[0].tv_sec = atime; | |
| 2949 tvp[0].tv_usec = 0; | |
| 2950 tvp[1].tv_sec = mtime; | |
| 2951 tvp[1].tv_usec = 0; | |
| 2952 # ifdef NeXT | |
| 2953 (void)utimes((char *)fname, tvp); | |
| 2954 # else | |
| 2955 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 2956 # endif | |
| 2957 # endif | |
| 2958 # endif | |
| 2959 } | |
| 2960 #endif /* UNIX */ | |
| 2961 | |
| 22 | 2962 #if defined(VMS) && !defined(MIN) |
| 2963 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 2964 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 2965 #endif | |
| 2966 | |
| 7 | 2967 /* |
| 1303 | 2968 * Return TRUE if a file appears to be read-only from the file permissions. |
| 2969 */ | |
| 2970 int | |
| 2971 check_file_readonly(fname, perm) | |
| 2972 char_u *fname; /* full path to file */ | |
| 2973 int perm; /* known permissions on file */ | |
| 2974 { | |
| 2975 #ifndef USE_MCH_ACCESS | |
| 2976 int fd = 0; | |
| 2977 #endif | |
| 2978 | |
| 2979 return ( | |
| 2980 #ifdef USE_MCH_ACCESS | |
| 2981 # ifdef UNIX | |
| 2982 (perm & 0222) == 0 || | |
| 2983 # endif | |
| 2984 mch_access((char *)fname, W_OK) | |
| 2985 #else | |
| 2986 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 2987 ? TRUE : (close(fd), FALSE) | |
| 2988 #endif | |
| 2989 ); | |
| 2990 } | |
| 2991 | |
| 2992 | |
| 2993 /* | |
| 589 | 2994 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 2995 * |
| 2996 * We do our own buffering here because fwrite() is so slow. | |
| 2997 * | |
| 589 | 2998 * If "forceit" is true, we don't care for errors when attempting backups. |
| 2999 * In case of an error everything possible is done to restore the original | |
| 1698 | 3000 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 3001 * |
| 3002 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 3003 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 3004 * |
| 3005 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 3006 * | |
| 3007 * return FAIL for failure, OK otherwise | |
| 3008 */ | |
| 3009 int | |
| 3010 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 3011 reset_changed, filtering) | |
| 3012 buf_T *buf; | |
| 3013 char_u *fname; | |
| 3014 char_u *sfname; | |
| 3015 linenr_T start, end; | |
| 3016 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 3017 NULL! */ | |
| 589 | 3018 int append; /* append to the file */ |
| 7 | 3019 int forceit; |
| 3020 int reset_changed; | |
| 3021 int filtering; | |
| 3022 { | |
| 3023 int fd; | |
| 3024 char_u *backup = NULL; | |
| 3025 int backup_copy = FALSE; /* copy the original file? */ | |
| 3026 int dobackup; | |
| 3027 char_u *ffname; | |
| 3028 char_u *wfname = NULL; /* name of file to write to */ | |
| 3029 char_u *s; | |
| 3030 char_u *ptr; | |
| 3031 char_u c; | |
| 3032 int len; | |
| 3033 linenr_T lnum; | |
| 3034 long nchars; | |
| 3035 char_u *errmsg = NULL; | |
| 1947 | 3036 int errmsg_allocated = FALSE; |
| 7 | 3037 char_u *errnum = NULL; |
| 3038 char_u *buffer; | |
| 3039 char_u smallbuf[SMBUFSIZE]; | |
| 3040 char_u *backup_ext; | |
| 3041 int bufsize; | |
| 3042 long perm; /* file permissions */ | |
| 3043 int retval = OK; | |
| 3044 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 3045 int msg_save = msg_scroll; | |
| 3046 int overwriting; /* TRUE if writing over original */ | |
| 3047 int no_eol = FALSE; /* no end-of-line written */ | |
| 3048 int device = FALSE; /* writing to a device */ | |
| 3049 struct stat st_old; | |
| 3050 int prev_got_int = got_int; | |
| 3051 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 3052 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 3053 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 3054 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 3055 #endif | |
| 3056 /* writing everything */ | |
| 3057 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 3058 #ifdef FEAT_AUTOCMD | |
| 3059 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 3060 #endif | |
| 3061 int attr; | |
| 3062 int fileformat; | |
| 3063 int write_bin; | |
| 3064 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 3065 #ifdef FEAT_MBYTE | |
| 3066 int converted = FALSE; | |
| 3067 int notconverted = FALSE; | |
| 3068 char_u *fenc; /* effective 'fileencoding' */ | |
| 3069 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 3070 #endif | |
| 3071 #ifdef HAS_BW_FLAGS | |
| 3072 int wb_flags = 0; | |
| 3073 #endif | |
| 3074 #ifdef HAVE_ACL | |
| 3075 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 3076 backup or new file */ | |
| 3077 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3078 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3079 int write_undo_file = FALSE; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3080 context_sha256_T sha_ctx; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3081 #endif |
| 7 | 3082 |
| 3083 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 3084 return FAIL; | |
| 2028 | 3085 if (buf->b_ml.ml_mfp == NULL) |
| 3086 { | |
| 3087 /* This can happen during startup when there is a stray "w" in the | |
| 3088 * vimrc file. */ | |
| 3089 EMSG(_(e_emptybuf)); | |
| 3090 return FAIL; | |
| 3091 } | |
| 7 | 3092 |
| 3093 /* | |
| 3094 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3095 * security reasons. | |
| 3096 */ | |
| 3097 if (check_secure()) | |
| 3098 return FAIL; | |
| 3099 | |
| 3100 /* Avoid a crash for a long name. */ | |
| 3101 if (STRLEN(fname) >= MAXPATHL) | |
| 3102 { | |
| 3103 EMSG(_(e_longname)); | |
| 3104 return FAIL; | |
| 3105 } | |
| 3106 | |
| 3107 #ifdef FEAT_MBYTE | |
| 3108 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3109 write_info.bw_conv_buf = NULL; | |
| 3110 write_info.bw_conv_error = FALSE; | |
| 1947 | 3111 write_info.bw_conv_error_lnum = 0; |
| 7 | 3112 write_info.bw_restlen = 0; |
| 3113 # ifdef USE_ICONV | |
| 3114 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3115 # endif | |
| 3116 #endif | |
| 3117 | |
| 167 | 3118 /* After writing a file changedtick changes but we don't want to display |
| 3119 * the line. */ | |
| 3120 ex_no_reprint = TRUE; | |
| 3121 | |
| 7 | 3122 /* |
| 3123 * If there is no file name yet, use the one for the written file. | |
| 3124 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3125 * Don't do this when the write is for a filter command. | |
| 589 | 3126 * Don't do this when appending. |
| 3127 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3128 */ |
| 633 | 3129 if (buf->b_ffname == NULL |
| 3130 && reset_changed | |
| 7 | 3131 && whole |
| 3132 && buf == curbuf | |
| 236 | 3133 #ifdef FEAT_QUICKFIX |
| 3134 && !bt_nofile(buf) | |
| 3135 #endif | |
| 7 | 3136 && !filtering |
| 589 | 3137 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3138 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3139 { | |
| 633 | 3140 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3141 return FAIL; |
| 633 | 3142 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3143 } |
| 3144 | |
| 3145 if (sfname == NULL) | |
| 3146 sfname = fname; | |
| 3147 /* | |
| 3148 * For Unix: Use the short file name whenever possible. | |
| 3149 * Avoids problems with networks and when directory names are changed. | |
| 3150 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3151 * another directory, which we don't detect | |
| 3152 */ | |
| 3153 ffname = fname; /* remember full fname */ | |
| 3154 #ifdef UNIX | |
| 3155 fname = sfname; | |
| 3156 #endif | |
| 3157 | |
| 3158 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3159 overwriting = TRUE; | |
| 3160 else | |
| 3161 overwriting = FALSE; | |
| 3162 | |
| 3163 if (exiting) | |
| 3164 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
| 3165 | |
| 3166 ++no_wait_return; /* don't wait for return yet */ | |
| 3167 | |
| 3168 /* | |
| 3169 * Set '[ and '] marks to the lines to be written. | |
| 3170 */ | |
| 3171 buf->b_op_start.lnum = start; | |
| 3172 buf->b_op_start.col = 0; | |
| 3173 buf->b_op_end.lnum = end; | |
| 3174 buf->b_op_end.col = 0; | |
| 3175 | |
| 3176 #ifdef FEAT_AUTOCMD | |
| 3177 { | |
| 3178 aco_save_T aco; | |
| 3179 int buf_ffname = FALSE; | |
| 3180 int buf_sfname = FALSE; | |
| 3181 int buf_fname_f = FALSE; | |
| 3182 int buf_fname_s = FALSE; | |
| 3183 int did_cmd = FALSE; | |
| 17 | 3184 int nofile_err = FALSE; |
| 161 | 3185 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3186 |
| 3187 /* | |
| 3188 * Apply PRE aucocommands. | |
| 3189 * Set curbuf to the buffer to be written. | |
| 3190 * Careful: The autocommands may call buf_write() recursively! | |
| 3191 */ | |
| 3192 if (ffname == buf->b_ffname) | |
| 3193 buf_ffname = TRUE; | |
| 3194 if (sfname == buf->b_sfname) | |
| 3195 buf_sfname = TRUE; | |
| 3196 if (fname == buf->b_ffname) | |
| 3197 buf_fname_f = TRUE; | |
| 3198 if (fname == buf->b_sfname) | |
| 3199 buf_fname_s = TRUE; | |
| 3200 | |
| 3201 /* set curwin/curbuf to buf and save a few things */ | |
| 3202 aucmd_prepbuf(&aco, buf); | |
| 3203 | |
| 3204 if (append) | |
| 3205 { | |
| 3206 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3207 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3208 { |
| 635 | 3209 #ifdef FEAT_QUICKFIX |
| 18 | 3210 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3211 nofile_err = TRUE; |
| 3212 else | |
| 635 | 3213 #endif |
| 17 | 3214 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3215 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3216 } |
| 7 | 3217 } |
| 3218 else if (filtering) | |
| 3219 { | |
| 3220 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3221 NULL, sfname, FALSE, curbuf, eap); | |
| 3222 } | |
| 3223 else if (reset_changed && whole) | |
| 3224 { | |
| 3225 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3226 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3227 { |
| 635 | 3228 #ifdef FEAT_QUICKFIX |
| 179 | 3229 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3230 nofile_err = TRUE; |
| 3231 else | |
| 635 | 3232 #endif |
| 17 | 3233 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3234 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3235 } |
| 7 | 3236 } |
| 3237 else | |
| 3238 { | |
| 3239 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3240 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3241 { |
| 635 | 3242 #ifdef FEAT_QUICKFIX |
| 179 | 3243 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3244 nofile_err = TRUE; |
| 3245 else | |
| 635 | 3246 #endif |
| 17 | 3247 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3248 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3249 } |
| 7 | 3250 } |
| 3251 | |
| 3252 /* restore curwin/curbuf and a few other things */ | |
| 3253 aucmd_restbuf(&aco); | |
| 3254 | |
| 3255 /* | |
| 3256 * In three situations we return here and don't write the file: | |
| 3257 * 1. the autocommands deleted or unloaded the buffer. | |
| 3258 * 2. The autocommands abort script processing. | |
| 3259 * 3. If one of the "Cmd" autocommands was executed. | |
| 3260 */ | |
| 3261 if (!buf_valid(buf)) | |
| 3262 buf = NULL; | |
| 161 | 3263 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3264 || did_cmd || nofile_err |
| 3265 #ifdef FEAT_EVAL | |
| 3266 || aborting() | |
| 3267 #endif | |
| 3268 ) | |
| 7 | 3269 { |
| 3270 --no_wait_return; | |
| 3271 msg_scroll = msg_save; | |
| 17 | 3272 if (nofile_err) |
| 3273 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3274 | |
| 532 | 3275 if (nofile_err |
| 3276 #ifdef FEAT_EVAL | |
| 3277 || aborting() | |
| 3278 #endif | |
| 3279 ) | |
| 7 | 3280 /* An aborting error, interrupt or exception in the |
| 3281 * autocommands. */ | |
| 3282 return FAIL; | |
| 3283 if (did_cmd) | |
| 3284 { | |
| 3285 if (buf == NULL) | |
| 3286 /* The buffer was deleted. We assume it was written | |
| 3287 * (can't retry anyway). */ | |
| 3288 return OK; | |
| 3289 if (overwriting) | |
| 3290 { | |
| 3291 /* Assume the buffer was written, update the timestamp. */ | |
| 3292 ml_timestamp(buf); | |
| 589 | 3293 if (append) |
| 3294 buf->b_flags &= ~BF_NEW; | |
| 3295 else | |
| 3296 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3297 } |
| 589 | 3298 if (reset_changed && buf->b_changed && !append |
| 39 | 3299 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3300 /* Buffer still changed, the autocommands didn't work |
| 3301 * properly. */ | |
| 3302 return FAIL; | |
| 3303 return OK; | |
| 3304 } | |
| 3305 #ifdef FEAT_EVAL | |
| 3306 if (!aborting()) | |
| 3307 #endif | |
| 3308 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3309 return FAIL; | |
| 3310 } | |
| 3311 | |
| 3312 /* | |
| 3313 * The autocommands may have changed the number of lines in the file. | |
| 3314 * When writing the whole file, adjust the end. | |
| 3315 * When writing part of the file, assume that the autocommands only | |
| 3316 * changed the number of lines that are to be written (tricky!). | |
| 3317 */ | |
| 3318 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3319 { | |
| 3320 if (whole) /* write all */ | |
| 3321 end = buf->b_ml.ml_line_count; | |
| 3322 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3323 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3324 else /* less lines */ | |
| 3325 { | |
| 3326 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3327 if (end < start) | |
| 3328 { | |
| 3329 --no_wait_return; | |
| 3330 msg_scroll = msg_save; | |
| 3331 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3332 return FAIL; | |
| 3333 } | |
| 3334 } | |
| 3335 } | |
| 3336 | |
| 3337 /* | |
| 3338 * The autocommands may have changed the name of the buffer, which may | |
| 3339 * be kept in fname, ffname and sfname. | |
| 3340 */ | |
| 3341 if (buf_ffname) | |
| 3342 ffname = buf->b_ffname; | |
| 3343 if (buf_sfname) | |
| 3344 sfname = buf->b_sfname; | |
| 3345 if (buf_fname_f) | |
| 3346 fname = buf->b_ffname; | |
| 3347 if (buf_fname_s) | |
| 3348 fname = buf->b_sfname; | |
| 3349 } | |
| 3350 #endif | |
| 3351 | |
| 3352 #ifdef FEAT_NETBEANS_INTG | |
| 2210 | 3353 if (netbeans_active() && isNetbeansBuffer(buf)) |
| 7 | 3354 { |
| 3355 if (whole) | |
| 3356 { | |
| 3357 /* | |
| 3358 * b_changed can be 0 after an undo, but we still need to write | |
| 3359 * the buffer to NetBeans. | |
| 3360 */ | |
| 3361 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3362 { | |
| 33 | 3363 --no_wait_return; /* may wait for return now */ |
| 3364 msg_scroll = msg_save; | |
| 3365 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3366 return retval; |
| 3367 } | |
| 3368 else | |
| 3369 { | |
| 3370 errnum = (char_u *)"E656: "; | |
| 1653 | 3371 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3372 buffer = NULL; |
| 3373 goto fail; | |
| 3374 } | |
| 3375 } | |
| 3376 else | |
| 3377 { | |
| 3378 errnum = (char_u *)"E657: "; | |
| 3379 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3380 buffer = NULL; | |
| 3381 goto fail; | |
| 3382 } | |
| 3383 } | |
| 3384 #endif | |
| 3385 | |
| 3386 if (shortmess(SHM_OVER) && !exiting) | |
| 3387 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3388 else | |
| 3389 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3390 if (!filtering) | |
| 3391 filemess(buf, | |
| 3392 #ifndef UNIX | |
| 3393 sfname, | |
| 3394 #else | |
| 3395 fname, | |
| 3396 #endif | |
| 3397 (char_u *)"", 0); /* show that we are busy */ | |
| 3398 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3399 | |
| 3400 buffer = alloc(BUFSIZE); | |
| 3401 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3402 * one (to be able to write when out of | |
| 3403 * memory) */ | |
| 3404 { | |
| 3405 buffer = smallbuf; | |
| 3406 bufsize = SMBUFSIZE; | |
| 3407 } | |
| 3408 else | |
| 3409 bufsize = BUFSIZE; | |
| 3410 | |
| 3411 /* | |
| 3412 * Get information about original file (if there is one). | |
| 3413 */ | |
| 3414 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3415 st_old.st_dev = 0; |
| 3416 st_old.st_ino = 0; | |
| 7 | 3417 perm = -1; |
| 3418 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3419 newfile = TRUE; | |
| 3420 else | |
| 3421 { | |
| 3422 perm = st_old.st_mode; | |
| 3423 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3424 { | |
| 3425 if (S_ISDIR(st_old.st_mode)) | |
| 3426 { | |
| 3427 errnum = (char_u *)"E502: "; | |
| 3428 errmsg = (char_u *)_("is a directory"); | |
| 3429 goto fail; | |
| 3430 } | |
| 3431 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3432 { | |
| 3433 errnum = (char_u *)"E503: "; | |
| 3434 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3435 goto fail; | |
| 3436 } | |
| 3437 /* It's a device of some kind (or a fifo) which we can write to | |
| 3438 * but for which we can't make a backup. */ | |
| 3439 device = TRUE; | |
| 3440 newfile = TRUE; | |
| 3441 perm = -1; | |
| 3442 } | |
| 3443 } | |
| 3444 #else /* !UNIX */ | |
| 3445 /* | |
| 3446 * Check for a writable device name. | |
| 3447 */ | |
| 3448 c = mch_nodetype(fname); | |
| 3449 if (c == NODE_OTHER) | |
| 3450 { | |
| 3451 errnum = (char_u *)"E503: "; | |
| 3452 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3453 goto fail; | |
| 3454 } | |
| 3455 if (c == NODE_WRITABLE) | |
| 3456 { | |
| 1004 | 3457 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3458 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3459 * trying to write to it. */ | |
| 3460 if (!p_odev) | |
| 3461 { | |
| 3462 errnum = (char_u *)"E796: "; | |
| 3463 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3464 goto fail; | |
| 3465 } | |
| 3466 # endif | |
| 7 | 3467 device = TRUE; |
| 3468 newfile = TRUE; | |
| 3469 perm = -1; | |
| 3470 } | |
| 3471 else | |
| 3472 { | |
| 3473 perm = mch_getperm(fname); | |
| 3474 if (perm < 0) | |
| 3475 newfile = TRUE; | |
| 3476 else if (mch_isdir(fname)) | |
| 3477 { | |
| 3478 errnum = (char_u *)"E502: "; | |
| 3479 errmsg = (char_u *)_("is a directory"); | |
| 3480 goto fail; | |
| 3481 } | |
| 3482 if (overwriting) | |
| 3483 (void)mch_stat((char *)fname, &st_old); | |
| 3484 } | |
| 3485 #endif /* !UNIX */ | |
| 3486 | |
| 3487 if (!device && !newfile) | |
| 3488 { | |
| 3489 /* | |
| 3490 * Check if the file is really writable (when renaming the file to | |
| 3491 * make a backup we won't discover it later). | |
| 3492 */ | |
| 1303 | 3493 file_readonly = check_file_readonly(fname, (int)perm); |
| 3494 | |
| 7 | 3495 if (!forceit && file_readonly) |
| 3496 { | |
| 3497 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3498 { | |
| 3499 errnum = (char_u *)"E504: "; | |
| 3500 errmsg = (char_u *)_(err_readonly); | |
| 3501 } | |
| 3502 else | |
| 3503 { | |
| 3504 errnum = (char_u *)"E505: "; | |
| 3505 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3506 } | |
| 3507 goto fail; | |
| 3508 } | |
| 3509 | |
| 3510 /* | |
| 3511 * Check if the timestamp hasn't changed since reading the file. | |
| 3512 */ | |
| 3513 if (overwriting) | |
| 3514 { | |
| 3515 retval = check_mtime(buf, &st_old); | |
| 3516 if (retval == FAIL) | |
| 3517 goto fail; | |
| 3518 } | |
| 3519 } | |
| 3520 | |
| 3521 #ifdef HAVE_ACL | |
| 3522 /* | |
| 3523 * For systems that support ACL: get the ACL from the original file. | |
| 3524 */ | |
| 3525 if (!newfile) | |
| 3526 acl = mch_get_acl(fname); | |
| 3527 #endif | |
| 3528 | |
| 3529 /* | |
| 3530 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3531 */ | |
| 3532 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3533 #ifdef FEAT_WILDIGN | |
| 3534 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3535 dobackup = FALSE; | |
| 3536 #endif | |
| 3537 | |
| 3538 /* | |
| 3539 * Save the value of got_int and reset it. We don't want a previous | |
| 3540 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3541 * abort it. | |
| 3542 */ | |
| 3543 prev_got_int = got_int; | |
| 3544 got_int = FALSE; | |
| 3545 | |
| 3546 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3547 buf->b_saving = TRUE; | |
| 3548 | |
| 3549 /* | |
| 3550 * If we are not appending or filtering, the file exists, and the | |
| 3551 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3552 * When 'patchmode' is set also make a backup when appending. | |
| 3553 * | |
| 3554 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3555 * off. This helps when editing large files on almost-full disks. | |
| 3556 */ | |
| 3557 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3558 { | |
| 3559 #if defined(UNIX) || defined(WIN32) | |
| 3560 struct stat st; | |
| 3561 #endif | |
| 3562 | |
| 3563 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3564 backup_copy = TRUE; | |
| 3565 #if defined(UNIX) || defined(WIN32) | |
| 3566 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3567 { | |
| 3568 int i; | |
| 3569 | |
| 3570 # ifdef UNIX | |
| 3571 /* | |
| 3572 * Don't rename the file when: | |
| 3573 * - it's a hard link | |
| 3574 * - it's a symbolic link | |
| 3575 * - we don't have write permission in the directory | |
| 3576 * - we can't set the owner/group of the new file | |
| 3577 */ | |
| 3578 if (st_old.st_nlink > 1 | |
| 3579 || mch_lstat((char *)fname, &st) < 0 | |
| 3580 || st.st_dev != st_old.st_dev | |
| 557 | 3581 || st.st_ino != st_old.st_ino |
| 3582 # ifndef HAVE_FCHOWN | |
| 3583 || st.st_uid != st_old.st_uid | |
| 3584 || st.st_gid != st_old.st_gid | |
| 3585 # endif | |
| 3586 ) | |
| 7 | 3587 backup_copy = TRUE; |
| 3588 else | |
| 696 | 3589 # else |
| 3590 # ifdef WIN32 | |
| 3591 /* On NTFS file systems hard links are possible. */ | |
| 3592 if (mch_is_linked(fname)) | |
| 3593 backup_copy = TRUE; | |
| 3594 else | |
| 3595 # endif | |
| 7 | 3596 # endif |
| 3597 { | |
| 3598 /* | |
| 3599 * Check if we can create a file and set the owner/group to | |
| 3600 * the ones from the original file. | |
| 3601 * First find a file name that doesn't exist yet (use some | |
| 3602 * arbitrary numbers). | |
| 3603 */ | |
| 3604 STRCPY(IObuff, fname); | |
| 3605 for (i = 4913; ; i += 123) | |
| 3606 { | |
| 3607 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3608 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3609 break; |
| 3610 } | |
| 557 | 3611 fd = mch_open((char *)IObuff, |
| 3612 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3613 if (fd < 0) /* can't write in directory */ |
| 3614 backup_copy = TRUE; | |
| 3615 else | |
| 3616 { | |
| 3617 # ifdef UNIX | |
| 557 | 3618 # ifdef HAVE_FCHOWN |
| 1757 | 3619 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3620 # endif |
| 7 | 3621 if (mch_stat((char *)IObuff, &st) < 0 |
| 3622 || st.st_uid != st_old.st_uid | |
| 3623 || st.st_gid != st_old.st_gid | |
| 1877 | 3624 || (long)st.st_mode != perm) |
| 7 | 3625 backup_copy = TRUE; |
| 3626 # endif | |
| 567 | 3627 /* Close the file before removing it, on MS-Windows we |
| 3628 * can't delete an open file. */ | |
| 3629 close(fd); | |
| 7 | 3630 mch_remove(IObuff); |
| 3631 } | |
| 3632 } | |
| 3633 } | |
| 3634 | |
| 3635 # ifdef UNIX | |
| 3636 /* | |
| 3637 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3638 */ | |
| 3639 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3640 { | |
| 3641 int lstat_res; | |
| 3642 | |
| 3643 lstat_res = mch_lstat((char *)fname, &st); | |
| 3644 | |
| 3645 /* Symlinks. */ | |
| 3646 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3647 && lstat_res == 0 | |
| 3648 && st.st_ino != st_old.st_ino) | |
| 3649 backup_copy = FALSE; | |
| 3650 | |
| 3651 /* Hardlinks. */ | |
| 3652 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3653 && st_old.st_nlink > 1 | |
| 3654 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3655 backup_copy = FALSE; | |
| 3656 } | |
| 3657 #endif | |
| 3658 | |
| 3659 #endif | |
| 3660 | |
| 3661 /* make sure we have a valid backup extension to use */ | |
| 3662 if (*p_bex == NUL) | |
| 3663 { | |
| 3664 #ifdef RISCOS | |
| 3665 backup_ext = (char_u *)"/bak"; | |
| 3666 #else | |
| 3667 backup_ext = (char_u *)".bak"; | |
| 3668 #endif | |
| 3669 } | |
| 3670 else | |
| 3671 backup_ext = p_bex; | |
| 3672 | |
| 3673 if (backup_copy | |
| 3674 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3675 { | |
| 3676 int bfd; | |
| 3677 char_u *copybuf, *wp; | |
| 3678 int some_error = FALSE; | |
| 3679 struct stat st_new; | |
| 3680 char_u *dirp; | |
| 3681 char_u *rootname; | |
| 344 | 3682 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3683 int did_set_shortname; |
| 3684 #endif | |
| 3685 | |
| 3686 copybuf = alloc(BUFSIZE + 1); | |
| 3687 if (copybuf == NULL) | |
| 3688 { | |
| 3689 some_error = TRUE; /* out of memory */ | |
| 3690 goto nobackup; | |
| 3691 } | |
| 3692 | |
| 3693 /* | |
| 3694 * Try to make the backup in each directory in the 'bdir' option. | |
| 3695 * | |
| 3696 * Unix semantics has it, that we may have a writable file, | |
| 3697 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3698 * - the directory is not writable, | |
| 3699 * - the file may be a symbolic link, | |
| 3700 * - the file may belong to another user/group, etc. | |
| 3701 * | |
| 3702 * For these reasons, the existing writable file must be truncated | |
| 3703 * and reused. Creation of a backup COPY will be attempted. | |
| 3704 */ | |
| 3705 dirp = p_bdir; | |
| 3706 while (*dirp) | |
| 3707 { | |
| 3708 #ifdef UNIX | |
| 3709 st_new.st_ino = 0; | |
| 3710 st_new.st_dev = 0; | |
| 3711 st_new.st_gid = 0; | |
| 3712 #endif | |
| 3713 | |
| 3714 /* | |
| 3715 * Isolate one directory name, using an entry in 'bdir'. | |
| 3716 */ | |
| 3717 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3718 rootname = get_file_in_dir(fname, copybuf); | |
| 3719 if (rootname == NULL) | |
| 3720 { | |
| 3721 some_error = TRUE; /* out of memory */ | |
| 3722 goto nobackup; | |
| 3723 } | |
| 3724 | |
| 344 | 3725 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3726 did_set_shortname = FALSE; |
| 3727 #endif | |
| 3728 | |
| 3729 /* | |
| 3730 * May try twice if 'shortname' not set. | |
| 3731 */ | |
| 3732 for (;;) | |
| 3733 { | |
| 3734 /* | |
| 3735 * Make backup file name. | |
| 3736 */ | |
| 3737 backup = buf_modname( | |
| 3738 #ifdef SHORT_FNAME | |
| 3739 TRUE, | |
| 3740 #else | |
| 3741 (buf->b_p_sn || buf->b_shortname), | |
| 3742 #endif | |
| 3743 rootname, backup_ext, FALSE); | |
| 3744 if (backup == NULL) | |
| 3745 { | |
| 3746 vim_free(rootname); | |
| 3747 some_error = TRUE; /* out of memory */ | |
| 3748 goto nobackup; | |
| 3749 } | |
| 3750 | |
| 3751 /* | |
| 3752 * Check if backup file already exists. | |
| 3753 */ | |
| 3754 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3755 { | |
| 3756 #ifdef UNIX | |
| 3757 /* | |
| 3758 * Check if backup file is same as original file. | |
| 3759 * May happen when modname() gave the same file back. | |
| 3760 * E.g. silly link, or file name-length reached. | |
| 3761 * If we don't check here, we either ruin the file | |
| 3762 * when copying or erase it after writing. jw. | |
| 3763 */ | |
| 3764 if (st_new.st_dev == st_old.st_dev | |
| 3765 && st_new.st_ino == st_old.st_ino) | |
| 3766 { | |
| 3767 vim_free(backup); | |
| 3768 backup = NULL; /* no backup file to delete */ | |
| 3769 # ifndef SHORT_FNAME | |
| 3770 /* | |
| 3771 * may try again with 'shortname' set | |
| 3772 */ | |
| 3773 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3774 { | |
| 3775 buf->b_shortname = TRUE; | |
| 3776 did_set_shortname = TRUE; | |
| 3777 continue; | |
| 3778 } | |
| 3779 /* setting shortname didn't help */ | |
| 3780 if (did_set_shortname) | |
| 3781 buf->b_shortname = FALSE; | |
| 3782 # endif | |
| 3783 break; | |
| 3784 } | |
| 3785 #endif | |
| 3786 | |
| 3787 /* | |
| 3788 * If we are not going to keep the backup file, don't | |
| 3789 * delete an existing one, try to use another name. | |
| 3790 * Change one character, just before the extension. | |
| 3791 */ | |
| 3792 if (!p_bk) | |
| 3793 { | |
| 3794 wp = backup + STRLEN(backup) - 1 | |
| 3795 - STRLEN(backup_ext); | |
| 3796 if (wp < backup) /* empty file name ??? */ | |
| 3797 wp = backup; | |
| 3798 *wp = 'z'; | |
| 3799 while (*wp > 'a' | |
| 3800 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3801 --*wp; | |
| 3802 /* They all exist??? Must be something wrong. */ | |
| 3803 if (*wp == 'a') | |
| 3804 { | |
| 3805 vim_free(backup); | |
| 3806 backup = NULL; | |
| 3807 } | |
| 3808 } | |
| 3809 } | |
| 3810 break; | |
| 3811 } | |
| 3812 vim_free(rootname); | |
| 3813 | |
| 3814 /* | |
| 3815 * Try to create the backup file | |
| 3816 */ | |
| 3817 if (backup != NULL) | |
| 3818 { | |
| 3819 /* remove old backup, if present */ | |
| 3820 mch_remove(backup); | |
| 3821 /* Open with O_EXCL to avoid the file being created while | |
| 3822 * we were sleeping (symlink hacker attack?) */ | |
| 3823 bfd = mch_open((char *)backup, | |
| 557 | 3824 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 3825 perm & 0777); | |
| 7 | 3826 if (bfd < 0) |
| 3827 { | |
| 3828 vim_free(backup); | |
| 3829 backup = NULL; | |
| 3830 } | |
| 3831 else | |
| 3832 { | |
| 3833 /* set file protection same as original file, but | |
| 3834 * strip s-bit */ | |
| 3835 (void)mch_setperm(backup, perm & 0777); | |
| 3836 | |
| 3837 #ifdef UNIX | |
| 3838 /* | |
| 3839 * Try to set the group of the backup same as the | |
| 3840 * original file. If this fails, set the protection | |
| 3841 * bits for the group same as the protection bits for | |
| 3842 * others. | |
| 3843 */ | |
| 557 | 3844 if (st_new.st_gid != st_old.st_gid |
| 7 | 3845 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 3846 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 3847 # endif |
| 3848 ) | |
| 3849 mch_setperm(backup, | |
| 3850 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 3851 # ifdef HAVE_SELINUX |
| 3852 mch_copy_sec(fname, backup); | |
| 3853 # endif | |
| 7 | 3854 #endif |
| 3855 | |
| 3856 /* | |
| 3857 * copy the file. | |
| 3858 */ | |
| 3859 write_info.bw_fd = bfd; | |
| 3860 write_info.bw_buf = copybuf; | |
| 3861 #ifdef HAS_BW_FLAGS | |
| 3862 write_info.bw_flags = FIO_NOCONVERT; | |
| 3863 #endif | |
| 3864 while ((write_info.bw_len = vim_read(fd, copybuf, | |
| 3865 BUFSIZE)) > 0) | |
| 3866 { | |
| 3867 if (buf_write_bytes(&write_info) == FAIL) | |
| 3868 { | |
| 3869 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 3870 break; | |
| 3871 } | |
| 3872 ui_breakcheck(); | |
| 3873 if (got_int) | |
| 3874 { | |
| 3875 errmsg = (char_u *)_(e_interr); | |
| 3876 break; | |
| 3877 } | |
| 3878 } | |
| 3879 | |
| 3880 if (close(bfd) < 0 && errmsg == NULL) | |
| 3881 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 3882 if (write_info.bw_len < 0) | |
| 3883 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 3884 #ifdef UNIX | |
| 3885 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 3886 #endif | |
| 3887 #ifdef HAVE_ACL | |
| 3888 mch_set_acl(backup, acl); | |
| 3889 #endif | |
| 1583 | 3890 #ifdef HAVE_SELINUX |
| 3891 mch_copy_sec(fname, backup); | |
| 3892 #endif | |
| 7 | 3893 break; |
| 3894 } | |
| 3895 } | |
| 3896 } | |
| 3897 nobackup: | |
| 3898 close(fd); /* ignore errors for closing read file */ | |
| 3899 vim_free(copybuf); | |
| 3900 | |
| 3901 if (backup == NULL && errmsg == NULL) | |
| 3902 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 3903 /* ignore errors when forceit is TRUE */ | |
| 3904 if ((some_error || errmsg != NULL) && !forceit) | |
| 3905 { | |
| 3906 retval = FAIL; | |
| 3907 goto fail; | |
| 3908 } | |
| 3909 errmsg = NULL; | |
| 3910 } | |
| 3911 else | |
| 3912 { | |
| 3913 char_u *dirp; | |
| 3914 char_u *p; | |
| 3915 char_u *rootname; | |
| 3916 | |
| 3917 /* | |
| 3918 * Make a backup by renaming the original file. | |
| 3919 */ | |
| 3920 /* | |
| 3921 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 3922 * overwrite a read-only file. But rename may be possible | |
| 3923 * anyway, thus we need an extra check here. | |
| 3924 */ | |
| 3925 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3926 { | |
| 3927 errnum = (char_u *)"E504: "; | |
| 3928 errmsg = (char_u *)_(err_readonly); | |
| 3929 goto fail; | |
| 3930 } | |
| 3931 | |
| 3932 /* | |
| 3933 * | |
| 3934 * Form the backup file name - change path/fo.o.h to | |
| 3935 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 3936 * that works is used. | |
| 3937 */ | |
| 3938 dirp = p_bdir; | |
| 3939 while (*dirp) | |
| 3940 { | |
| 3941 /* | |
| 3942 * Isolate one directory name and make the backup file name. | |
| 3943 */ | |
| 3944 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 3945 rootname = get_file_in_dir(fname, IObuff); | |
| 3946 if (rootname == NULL) | |
| 3947 backup = NULL; | |
| 3948 else | |
| 3949 { | |
| 3950 backup = buf_modname( | |
| 3951 #ifdef SHORT_FNAME | |
| 3952 TRUE, | |
| 3953 #else | |
| 3954 (buf->b_p_sn || buf->b_shortname), | |
| 3955 #endif | |
| 3956 rootname, backup_ext, FALSE); | |
| 3957 vim_free(rootname); | |
| 3958 } | |
| 3959 | |
| 3960 if (backup != NULL) | |
| 3961 { | |
| 3962 /* | |
| 3963 * If we are not going to keep the backup file, don't | |
| 3964 * delete an existing one, try to use another name. | |
| 3965 * Change one character, just before the extension. | |
| 3966 */ | |
| 3967 if (!p_bk && mch_getperm(backup) >= 0) | |
| 3968 { | |
| 3969 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 3970 if (p < backup) /* empty file name ??? */ | |
| 3971 p = backup; | |
| 3972 *p = 'z'; | |
| 3973 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 3974 --*p; | |
| 3975 /* They all exist??? Must be something wrong! */ | |
| 3976 if (*p == 'a') | |
| 3977 { | |
| 3978 vim_free(backup); | |
| 3979 backup = NULL; | |
| 3980 } | |
| 3981 } | |
| 3982 } | |
| 3983 if (backup != NULL) | |
| 3984 { | |
| 3985 /* | |
| 531 | 3986 * Delete any existing backup and move the current version |
| 3987 * to the backup. For safety, we don't remove the backup | |
| 3988 * until the write has finished successfully. And if the | |
| 3989 * 'backup' option is set, leave it around. | |
| 7 | 3990 */ |
| 3991 /* | |
| 3992 * If the renaming of the original file to the backup file | |
| 3993 * works, quit here. | |
| 3994 */ | |
| 3995 if (vim_rename(fname, backup) == 0) | |
| 3996 break; | |
| 3997 | |
| 3998 vim_free(backup); /* don't do the rename below */ | |
| 3999 backup = NULL; | |
| 4000 } | |
| 4001 } | |
| 4002 if (backup == NULL && !forceit) | |
| 4003 { | |
| 4004 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 4005 goto fail; | |
| 4006 } | |
| 4007 } | |
| 4008 } | |
| 4009 | |
| 4010 #if defined(UNIX) && !defined(ARCHIE) | |
| 4011 /* When using ":w!" and the file was read-only: make it writable */ | |
| 4012 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 4013 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 4014 { | |
| 4015 perm |= 0200; | |
| 4016 (void)mch_setperm(fname, perm); | |
| 4017 made_writable = TRUE; | |
| 4018 } | |
| 4019 #endif | |
| 4020 | |
| 819 | 4021 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 4022 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 4023 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 4024 { |
| 4025 buf->b_p_ro = FALSE; | |
| 4026 #ifdef FEAT_TITLE | |
| 4027 need_maketitle = TRUE; /* set window title later */ | |
| 4028 #endif | |
| 4029 #ifdef FEAT_WINDOWS | |
| 4030 status_redraw_all(); /* redraw status lines later */ | |
| 4031 #endif | |
| 4032 } | |
| 4033 | |
| 4034 if (end > buf->b_ml.ml_line_count) | |
| 4035 end = buf->b_ml.ml_line_count; | |
| 4036 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 4037 start = end + 1; | |
| 4038 | |
| 4039 /* | |
| 4040 * If the original file is being overwritten, there is a small chance that | |
| 4041 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 4042 * This makes all block numbers positive so that recovery does not need | |
| 4043 * the original file. | |
| 4044 * Don't do this if there is a backup file and we are exiting. | |
| 4045 */ | |
| 39 | 4046 if (reset_changed && !newfile && overwriting |
| 7 | 4047 && !(exiting && backup != NULL)) |
| 4048 { | |
| 4049 ml_preserve(buf, FALSE); | |
| 4050 if (got_int) | |
| 4051 { | |
| 4052 errmsg = (char_u *)_(e_interr); | |
| 4053 goto restore_backup; | |
| 4054 } | |
| 4055 } | |
| 4056 | |
| 4057 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4058 /* | |
| 4059 * Before risking to lose the original file verify if there's | |
| 4060 * a resource fork to preserve, and if cannot be done warn | |
| 4061 * the users. This happens when overwriting without backups. | |
| 4062 */ | |
| 4063 if (backup == NULL && overwriting && !append) | |
| 4064 if (mch_has_resource_fork(fname)) | |
| 4065 { | |
| 4066 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 4067 goto restore_backup; | |
| 4068 } | |
| 4069 #endif | |
| 4070 | |
| 4071 #ifdef VMS | |
| 4072 vms_remove_version(fname); /* remove version */ | |
| 4073 #endif | |
| 1651 | 4074 /* Default: write the file directly. May write to a temp file for |
| 7 | 4075 * multi-byte conversion. */ |
| 4076 wfname = fname; | |
| 4077 | |
| 4078 #ifdef FEAT_MBYTE | |
| 4079 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 4080 if (eap != NULL && eap->force_enc != 0) | |
| 4081 { | |
| 4082 fenc = eap->cmd + eap->force_enc; | |
| 4083 fenc = enc_canonize(fenc); | |
| 4084 fenc_tofree = fenc; | |
| 4085 } | |
| 4086 else | |
| 4087 fenc = buf->b_p_fenc; | |
| 4088 | |
| 4089 /* | |
| 1948 | 4090 * Check if the file needs to be converted. |
| 7 | 4091 */ |
| 1948 | 4092 converted = need_conversion(fenc); |
| 7 | 4093 |
| 4094 /* | |
| 4095 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4096 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4097 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4098 */ | |
| 4099 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4100 { | |
| 4101 wb_flags = get_fio_flags(fenc); | |
| 4102 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4103 { | |
| 4104 /* Need to allocate a buffer to translate into. */ | |
| 4105 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4106 write_info.bw_conv_buflen = bufsize * 2; | |
| 4107 else /* FIO_UCS4 */ | |
| 4108 write_info.bw_conv_buflen = bufsize * 4; | |
| 4109 write_info.bw_conv_buf | |
| 4110 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4111 if (write_info.bw_conv_buf == NULL) | |
| 4112 end = 0; | |
| 4113 } | |
| 4114 } | |
| 4115 | |
| 4116 # ifdef WIN3264 | |
| 4117 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4118 { | |
| 4119 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4120 write_info.bw_conv_buflen = bufsize * 4; | |
| 4121 write_info.bw_conv_buf | |
| 4122 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4123 if (write_info.bw_conv_buf == NULL) | |
| 4124 end = 0; | |
| 4125 } | |
| 4126 # endif | |
| 4127 | |
| 4128 # ifdef MACOS_X | |
| 4129 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4130 { | |
| 4131 write_info.bw_conv_buflen = bufsize * 3; | |
| 4132 write_info.bw_conv_buf | |
| 4133 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4134 if (write_info.bw_conv_buf == NULL) | |
| 4135 end = 0; | |
| 4136 } | |
| 4137 # endif | |
| 4138 | |
| 4139 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4140 if (converted && wb_flags == 0) | |
| 4141 { | |
| 4142 # ifdef USE_ICONV | |
| 4143 /* | |
| 4144 * Use iconv() conversion when conversion is needed and it's not done | |
| 4145 * internally. | |
| 4146 */ | |
| 4147 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4148 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4149 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4150 { | |
| 4151 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4152 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4153 write_info.bw_conv_buf | |
| 4154 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4155 if (write_info.bw_conv_buf == NULL) | |
| 4156 end = 0; | |
| 4157 write_info.bw_first = TRUE; | |
| 4158 } | |
| 4159 # ifdef FEAT_EVAL | |
| 4160 else | |
| 4161 # endif | |
| 4162 # endif | |
| 4163 | |
| 4164 # ifdef FEAT_EVAL | |
| 4165 /* | |
| 4166 * When the file needs to be converted with 'charconvert' after | |
| 4167 * writing, write to a temp file instead and let the conversion | |
| 4168 * overwrite the original file. | |
| 4169 */ | |
| 4170 if (*p_ccv != NUL) | |
| 4171 { | |
| 4172 wfname = vim_tempname('w'); | |
| 4173 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4174 { | |
| 4175 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4176 goto restore_backup; | |
| 4177 } | |
| 4178 } | |
| 4179 # endif | |
| 4180 } | |
| 4181 # endif | |
| 4182 if (converted && wb_flags == 0 | |
| 4183 # ifdef USE_ICONV | |
| 4184 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4185 # endif | |
| 4186 # ifdef FEAT_EVAL | |
| 4187 && wfname == fname | |
| 4188 # endif | |
| 4189 ) | |
| 4190 { | |
| 4191 if (!forceit) | |
| 4192 { | |
| 4193 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4194 goto restore_backup; | |
| 4195 } | |
| 4196 notconverted = TRUE; | |
| 4197 } | |
| 4198 #endif | |
| 4199 | |
| 4200 /* | |
| 4201 * Open the file "wfname" for writing. | |
| 4202 * We may try to open the file twice: If we can't write to the | |
| 4203 * file and forceit is TRUE we delete the existing file and try to create | |
| 4204 * a new one. If this still fails we may have lost the original file! | |
| 4205 * (this may happen when the user reached his quotum for number of files). | |
| 4206 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4207 */ | |
| 4208 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4209 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4210 : (O_CREAT | O_TRUNC)) | |
| 216 | 4211 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4212 { |
| 4213 /* | |
| 4214 * A forced write will try to create a new file if the old one is | |
| 4215 * still readonly. This may also happen when the directory is | |
| 4216 * read-only. In that case the mch_remove() will fail. | |
| 4217 */ | |
| 4218 if (errmsg == NULL) | |
| 4219 { | |
| 4220 #ifdef UNIX | |
| 4221 struct stat st; | |
| 4222 | |
| 4223 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4224 if ((!newfile && st_old.st_nlink > 1) | |
| 4225 || (mch_lstat((char *)fname, &st) == 0 | |
| 4226 && (st.st_dev != st_old.st_dev | |
| 4227 || st.st_ino != st_old.st_ino))) | |
| 4228 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4229 else | |
| 4230 #endif | |
| 4231 { | |
| 4232 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4233 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4234 && perm >= 0) | |
| 4235 { | |
| 4236 #ifdef UNIX | |
| 4237 /* we write to the file, thus it should be marked | |
| 4238 writable after all */ | |
| 4239 if (!(perm & 0200)) | |
| 4240 made_writable = TRUE; | |
| 4241 perm |= 0200; | |
| 4242 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4243 perm &= 0777; | |
| 4244 #endif | |
| 4245 if (!append) /* don't remove when appending */ | |
| 4246 mch_remove(wfname); | |
| 4247 continue; | |
| 4248 } | |
| 4249 } | |
| 4250 } | |
| 4251 | |
| 4252 restore_backup: | |
| 4253 { | |
| 4254 struct stat st; | |
| 4255 | |
| 4256 /* | |
| 4257 * If we failed to open the file, we don't need a backup. Throw it | |
| 4258 * away. If we moved or removed the original file try to put the | |
| 4259 * backup in its place. | |
| 4260 */ | |
| 4261 if (backup != NULL && wfname == fname) | |
| 4262 { | |
| 4263 if (backup_copy) | |
| 4264 { | |
| 4265 /* | |
| 4266 * There is a small chance that we removed the original, | |
| 4267 * try to move the copy in its place. | |
| 4268 * This may not work if the vim_rename() fails. | |
| 4269 * In that case we leave the copy around. | |
| 4270 */ | |
| 4271 /* If file does not exist, put the copy in its place */ | |
| 4272 if (mch_stat((char *)fname, &st) < 0) | |
| 4273 vim_rename(backup, fname); | |
| 4274 /* if original file does exist throw away the copy */ | |
| 4275 if (mch_stat((char *)fname, &st) >= 0) | |
| 4276 mch_remove(backup); | |
| 4277 } | |
| 4278 else | |
| 4279 { | |
| 4280 /* try to put the original file back */ | |
| 4281 vim_rename(backup, fname); | |
| 4282 } | |
| 4283 } | |
| 4284 | |
| 4285 /* if original file no longer exists give an extra warning */ | |
| 4286 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4287 end = 0; | |
| 4288 } | |
| 4289 | |
| 4290 #ifdef FEAT_MBYTE | |
| 4291 if (wfname != fname) | |
| 4292 vim_free(wfname); | |
| 4293 #endif | |
| 4294 goto fail; | |
| 4295 } | |
| 4296 errmsg = NULL; | |
| 4297 | |
| 4298 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4299 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4300 /* | |
| 4301 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4302 * This is done in order to preserve the resource fork and the |
| 4303 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4304 */ |
| 4305 if (backup != NULL && overwriting && !append) | |
| 4306 { | |
| 4307 if (backup_copy) | |
| 4308 (void)mch_copy_file_attribute(wfname, backup); | |
| 4309 else | |
| 4310 (void)mch_copy_file_attribute(backup, wfname); | |
| 4311 } | |
| 4312 | |
| 4313 if (!overwriting && !append) | |
| 4314 { | |
| 4315 if (buf->b_ffname != NULL) | |
| 4316 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4317 /* Should copy resource fork */ |
| 7 | 4318 } |
| 4319 #endif | |
| 4320 | |
| 4321 write_info.bw_fd = fd; | |
| 4322 | |
| 4323 #ifdef FEAT_CRYPT | |
| 4324 if (*buf->b_p_key && !filtering) | |
| 4325 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4326 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
|
4327 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
|
4328 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4329 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
|
4330 |
|
2215
cccb71c2c5c1
Fix uninit memory read in undo code. Fix uint32_t in proto file.
Bram Moolenaar <bram@vim.org>
parents:
2214
diff
changeset
|
4331 vim_memset(header, 0, sizeof(header)); |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4332 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
|
4333 CRYPT_MAGIC_LEN); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4334 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4335 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
|
4336 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
|
4337 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4338 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4339 /* 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
|
4340 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
|
4341 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
|
4342 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
|
4343 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4344 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4345 /* 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
|
4346 * 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
|
4347 * 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
|
4348 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
|
4349 write_info.bw_len = CRYPT_MAGIC_LEN + seed_len; |
| 7 | 4350 write_info.bw_flags = FIO_NOCONVERT; |
| 4351 if (buf_write_bytes(&write_info) == FAIL) | |
| 4352 end = 0; | |
| 4353 wb_flags |= FIO_ENCRYPTED; | |
| 4354 } | |
| 4355 #endif | |
| 4356 | |
| 4357 write_info.bw_buf = buffer; | |
| 4358 nchars = 0; | |
| 4359 | |
| 4360 /* use "++bin", "++nobin" or 'binary' */ | |
| 4361 if (eap != NULL && eap->force_bin != 0) | |
| 4362 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4363 else | |
| 4364 write_bin = buf->b_p_bin; | |
| 4365 | |
| 4366 #ifdef FEAT_MBYTE | |
| 4367 /* | |
| 4368 * The BOM is written just after the encryption magic number. | |
| 24 | 4369 * Skip it when appending and the file already existed, the BOM only makes |
| 4370 * sense at the start of the file. | |
| 7 | 4371 */ |
| 24 | 4372 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4373 { |
| 4374 write_info.bw_len = make_bom(buffer, fenc); | |
| 4375 if (write_info.bw_len > 0) | |
| 4376 { | |
| 4377 /* don't convert, do encryption */ | |
| 4378 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4379 if (buf_write_bytes(&write_info) == FAIL) | |
| 4380 end = 0; | |
| 4381 else | |
| 4382 nchars += write_info.bw_len; | |
| 4383 } | |
| 4384 } | |
| 1947 | 4385 write_info.bw_start_lnum = start; |
| 7 | 4386 #endif |
| 4387 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4388 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4389 write_undo_file = (buf->b_p_udf && overwriting && !append |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4390 && !filtering && reset_changed); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4391 if (write_undo_file) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4392 /* Prepare for computing the hash value of the text. */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4393 sha256_start(&sha_ctx); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4394 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4395 |
| 7 | 4396 write_info.bw_len = bufsize; |
| 4397 #ifdef HAS_BW_FLAGS | |
| 4398 write_info.bw_flags = wb_flags; | |
| 4399 #endif | |
| 4400 fileformat = get_fileformat_force(buf, eap); | |
| 4401 s = buffer; | |
| 4402 len = 0; | |
| 4403 for (lnum = start; lnum <= end; ++lnum) | |
| 4404 { | |
| 4405 /* | |
| 4406 * The next while loop is done once for each character written. | |
| 4407 * Keep it fast! | |
| 4408 */ | |
| 4409 ptr = ml_get_buf(buf, lnum, FALSE) - 1; | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4410 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4411 if (write_undo_file) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4412 sha256_update(&sha_ctx, ptr + 1, STRLEN(ptr + 1) + 1); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4413 #endif |
| 7 | 4414 while ((c = *++ptr) != NUL) |
| 4415 { | |
| 4416 if (c == NL) | |
| 4417 *s = NUL; /* replace newlines with NULs */ | |
| 4418 else if (c == CAR && fileformat == EOL_MAC) | |
| 4419 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4420 else | |
| 4421 *s = c; | |
| 4422 ++s; | |
| 4423 if (++len != bufsize) | |
| 4424 continue; | |
| 4425 if (buf_write_bytes(&write_info) == FAIL) | |
| 4426 { | |
| 4427 end = 0; /* write error: break loop */ | |
| 4428 break; | |
| 4429 } | |
| 4430 nchars += bufsize; | |
| 4431 s = buffer; | |
| 4432 len = 0; | |
| 1947 | 4433 #ifdef FEAT_MBYTE |
| 4434 write_info.bw_start_lnum = lnum; | |
| 4435 #endif | |
| 7 | 4436 } |
| 4437 /* write failed or last line has no EOL: stop here */ | |
| 4438 if (end == 0 | |
| 4439 || (lnum == end | |
| 4440 && write_bin | |
| 4441 && (lnum == write_no_eol_lnum | |
| 4442 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) | |
| 4443 { | |
| 4444 ++lnum; /* written the line, count it */ | |
| 4445 no_eol = TRUE; | |
| 4446 break; | |
| 4447 } | |
| 4448 if (fileformat == EOL_UNIX) | |
| 4449 *s++ = NL; | |
| 4450 else | |
| 4451 { | |
| 4452 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4453 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4454 { | |
| 4455 if (++len == bufsize) | |
| 4456 { | |
| 4457 if (buf_write_bytes(&write_info) == FAIL) | |
| 4458 { | |
| 4459 end = 0; /* write error: break loop */ | |
| 4460 break; | |
| 4461 } | |
| 4462 nchars += bufsize; | |
| 4463 s = buffer; | |
| 4464 len = 0; | |
| 4465 } | |
| 4466 *s++ = NL; | |
| 4467 } | |
| 4468 } | |
| 4469 if (++len == bufsize && end) | |
| 4470 { | |
| 4471 if (buf_write_bytes(&write_info) == FAIL) | |
| 4472 { | |
| 4473 end = 0; /* write error: break loop */ | |
| 4474 break; | |
| 4475 } | |
| 4476 nchars += bufsize; | |
| 4477 s = buffer; | |
| 4478 len = 0; | |
| 4479 | |
| 4480 ui_breakcheck(); | |
| 4481 if (got_int) | |
| 4482 { | |
| 4483 end = 0; /* Interrupted, break loop */ | |
| 4484 break; | |
| 4485 } | |
| 4486 } | |
| 4487 #ifdef VMS | |
| 4488 /* | |
| 4489 * On VMS there is a problem: newlines get added when writing blocks | |
| 4490 * at a time. Fix it by writing a line at a time. | |
| 4491 * This is much slower! | |
| 22 | 4492 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4493 * structures end with a newline (carriage return) character, and if | |
| 4494 * they don't it adds one. | |
| 4495 * With other RMS structures it works perfect without this fix. | |
| 7 | 4496 */ |
| 1431 | 4497 if (buf->b_fab_rfm == FAB$C_VFC |
| 4498 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4499 { |
| 4500 int b2write; | |
| 4501 | |
| 4502 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4503 ? MIN(4096, bufsize) | |
| 4504 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4505 | |
| 4506 b2write = len; | |
| 4507 while (b2write > 0) | |
| 7 | 4508 { |
| 22 | 4509 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4510 if (buf_write_bytes(&write_info) == FAIL) | |
| 4511 { | |
| 4512 end = 0; | |
| 4513 break; | |
| 4514 } | |
| 4515 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4516 } |
| 4517 write_info.bw_len = bufsize; | |
| 4518 nchars += len; | |
| 4519 s = buffer; | |
| 4520 len = 0; | |
| 4521 } | |
| 4522 #endif | |
| 4523 } | |
| 4524 if (len > 0 && end > 0) | |
| 4525 { | |
| 4526 write_info.bw_len = len; | |
| 4527 if (buf_write_bytes(&write_info) == FAIL) | |
| 4528 end = 0; /* write error */ | |
| 4529 nchars += len; | |
| 4530 } | |
| 4531 | |
| 4532 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4533 /* On many journalling file systems there is a bug that causes both the | |
| 4534 * original and the backup file to be lost when halting the system right | |
| 4535 * after writing the file. That's because only the meta-data is | |
| 4536 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4537 * been written to disk and we don't lose it. |
| 4538 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4539 * (could be a pipe). |
| 4540 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4541 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4542 { |
| 4543 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4544 end = 0; | |
| 4545 } | |
| 4546 #endif | |
| 4547 | |
| 1583 | 4548 #ifdef HAVE_SELINUX |
| 4549 /* Probably need to set the security context. */ | |
| 4550 if (!backup_copy) | |
| 4551 mch_copy_sec(backup, wfname); | |
| 4552 #endif | |
| 4553 | |
| 557 | 4554 #ifdef UNIX |
| 4555 /* When creating a new file, set its owner/group to that of the original | |
| 4556 * file. Get the new device and inode number. */ | |
| 4557 if (backup != NULL && !backup_copy) | |
| 4558 { | |
| 4559 # ifdef HAVE_FCHOWN | |
| 4560 struct stat st; | |
| 4561 | |
| 4562 /* don't change the owner when it's already OK, some systems remove | |
| 4563 * permission or ACL stuff */ | |
| 4564 if (mch_stat((char *)wfname, &st) < 0 | |
| 4565 || st.st_uid != st_old.st_uid | |
| 4566 || st.st_gid != st_old.st_gid) | |
| 4567 { | |
| 1757 | 4568 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4569 if (perm >= 0) /* set permission again, may have changed */ |
| 4570 (void)mch_setperm(wfname, perm); | |
| 4571 } | |
| 4572 # endif | |
| 4573 buf_setino(buf); | |
| 4574 } | |
| 1873 | 4575 else if (!buf->b_dev_valid) |
| 617 | 4576 /* Set the inode when creating a new file. */ |
| 4577 buf_setino(buf); | |
| 557 | 4578 #endif |
| 4579 | |
| 7 | 4580 if (close(fd) != 0) |
| 4581 { | |
| 4582 errmsg = (char_u *)_("E512: Close failed"); | |
| 4583 end = 0; | |
| 4584 } | |
| 4585 | |
| 4586 #ifdef UNIX | |
| 4587 if (made_writable) | |
| 4588 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4589 #endif | |
| 4590 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4591 (void)mch_setperm(wfname, perm); | |
| 4592 #ifdef RISCOS | |
| 4593 if (!append && !filtering) | |
| 4594 /* Set the filetype after writing the file. */ | |
| 4595 mch_set_filetype(wfname, buf->b_p_oft); | |
| 4596 #endif | |
| 4597 #ifdef HAVE_ACL | |
| 4598 /* Probably need to set the ACL before changing the user (can't set the | |
| 4599 * ACL on a file the user doesn't own). */ | |
| 4600 if (!backup_copy) | |
| 4601 mch_set_acl(wfname, acl); | |
| 4602 #endif | |
| 4603 | |
| 4604 | |
| 4605 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4606 if (wfname != fname) | |
| 4607 { | |
| 4608 /* | |
| 4609 * The file was written to a temp file, now it needs to be converted | |
| 4610 * with 'charconvert' to (overwrite) the output file. | |
| 4611 */ | |
| 4612 if (end != 0) | |
| 4613 { | |
| 4614 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4615 wfname, fname) == FAIL) | |
| 4616 { | |
| 4617 write_info.bw_conv_error = TRUE; | |
| 4618 end = 0; | |
| 4619 } | |
| 4620 } | |
| 4621 mch_remove(wfname); | |
| 4622 vim_free(wfname); | |
| 4623 } | |
| 4624 #endif | |
| 4625 | |
| 4626 if (end == 0) | |
| 4627 { | |
| 4628 if (errmsg == NULL) | |
| 4629 { | |
| 4630 #ifdef FEAT_MBYTE | |
| 4631 if (write_info.bw_conv_error) | |
| 1947 | 4632 { |
| 4633 if (write_info.bw_conv_error_lnum == 0) | |
| 4634 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4635 else | |
| 4636 { | |
| 4637 errmsg_allocated = TRUE; | |
| 4638 errmsg = alloc(300); | |
| 4639 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4640 (long)write_info.bw_conv_error_lnum); | |
| 4641 } | |
| 4642 } | |
| 7 | 4643 else |
| 4644 #endif | |
| 4645 if (got_int) | |
| 4646 errmsg = (char_u *)_(e_interr); | |
| 4647 else | |
| 4648 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4649 } | |
| 4650 | |
| 4651 /* | |
| 4652 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4653 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4654 * original file when trying to make a backup when writing the file a |
| 4655 * second time. | |
| 4656 * When "backup_copy" is set we need to copy the backup over the new | |
| 4657 * file. Otherwise rename the backup file. | |
| 4658 * If this is OK, don't give the extra warning message. | |
| 4659 */ | |
| 4660 if (backup != NULL) | |
| 4661 { | |
| 4662 if (backup_copy) | |
| 4663 { | |
| 4664 /* This may take a while, if we were interrupted let the user | |
| 4665 * know we got the message. */ | |
| 4666 if (got_int) | |
| 4667 { | |
| 4668 MSG(_(e_interr)); | |
| 4669 out_flush(); | |
| 4670 } | |
| 4671 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4672 { | |
| 4673 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4674 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4675 perm & 0777)) >= 0) | |
| 7 | 4676 { |
| 4677 /* copy the file. */ | |
| 4678 write_info.bw_buf = smallbuf; | |
| 4679 #ifdef HAS_BW_FLAGS | |
| 4680 write_info.bw_flags = FIO_NOCONVERT; | |
| 4681 #endif | |
| 4682 while ((write_info.bw_len = vim_read(fd, smallbuf, | |
| 4683 SMBUFSIZE)) > 0) | |
| 4684 if (buf_write_bytes(&write_info) == FAIL) | |
| 4685 break; | |
| 4686 | |
| 4687 if (close(write_info.bw_fd) >= 0 | |
| 4688 && write_info.bw_len == 0) | |
| 4689 end = 1; /* success */ | |
| 4690 } | |
| 4691 close(fd); /* ignore errors for closing read file */ | |
| 4692 } | |
| 4693 } | |
| 4694 else | |
| 4695 { | |
| 4696 if (vim_rename(backup, fname) == 0) | |
| 4697 end = 1; | |
| 4698 } | |
| 4699 } | |
| 4700 goto fail; | |
| 4701 } | |
| 4702 | |
| 4703 lnum -= start; /* compute number of written lines */ | |
| 4704 --no_wait_return; /* may wait for return now */ | |
| 4705 | |
| 4706 #if !(defined(UNIX) || defined(VMS)) | |
| 4707 fname = sfname; /* use shortname now, for the messages */ | |
| 4708 #endif | |
| 4709 if (!filtering) | |
| 4710 { | |
| 4711 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4712 c = FALSE; | |
| 4713 #ifdef FEAT_MBYTE | |
| 4714 if (write_info.bw_conv_error) | |
| 4715 { | |
| 4716 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4717 c = TRUE; | |
| 1947 | 4718 if (write_info.bw_conv_error_lnum != 0) |
| 4719 { | |
| 1957 | 4720 size_t l = STRLEN(IObuff); |
| 1947 | 4721 vim_snprintf((char *)IObuff + l, IOSIZE - l, _(" in line %ld;"), |
| 4722 (long)write_info.bw_conv_error_lnum); | |
| 4723 } | |
| 7 | 4724 } |
| 4725 else if (notconverted) | |
| 4726 { | |
| 4727 STRCAT(IObuff, _("[NOT converted]")); | |
| 4728 c = TRUE; | |
| 4729 } | |
| 4730 else if (converted) | |
| 4731 { | |
| 4732 STRCAT(IObuff, _("[converted]")); | |
| 4733 c = TRUE; | |
| 4734 } | |
| 4735 #endif | |
| 4736 if (device) | |
| 4737 { | |
| 4738 STRCAT(IObuff, _("[Device]")); | |
| 4739 c = TRUE; | |
| 4740 } | |
| 4741 else if (newfile) | |
| 4742 { | |
| 4743 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4744 c = TRUE; | |
| 4745 } | |
| 4746 if (no_eol) | |
| 4747 { | |
| 4748 msg_add_eol(); | |
| 4749 c = TRUE; | |
| 4750 } | |
| 4751 /* may add [unix/dos/mac] */ | |
| 4752 if (msg_add_fileformat(fileformat)) | |
| 4753 c = TRUE; | |
| 4754 #ifdef FEAT_CRYPT | |
| 4755 if (wb_flags & FIO_ENCRYPTED) | |
| 4756 { | |
| 4757 STRCAT(IObuff, _("[crypted]")); | |
| 4758 c = TRUE; | |
| 4759 } | |
| 4760 #endif | |
| 4761 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4762 if (!shortmess(SHM_WRITE)) | |
| 4763 { | |
| 4764 if (append) | |
| 4765 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4766 else | |
| 4767 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4768 } | |
| 4769 | |
| 679 | 4770 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4771 } |
| 4772 | |
| 39 | 4773 /* When written everything correctly: reset 'modified'. Unless not |
| 4774 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4775 if (reset_changed && whole && !append |
| 7 | 4776 #ifdef FEAT_MBYTE |
| 4777 && !write_info.bw_conv_error | |
| 4778 #endif | |
| 39 | 4779 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4780 ) | |
| 7 | 4781 { |
| 4782 unchanged(buf, TRUE); | |
| 4783 u_unchanged(buf); | |
| 4784 } | |
| 4785 | |
| 4786 /* | |
| 4787 * If written to the current file, update the timestamp of the swap file | |
| 4788 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4789 */ | |
| 4790 if (overwriting) | |
| 4791 { | |
| 4792 ml_timestamp(buf); | |
| 589 | 4793 if (append) |
| 4794 buf->b_flags &= ~BF_NEW; | |
| 4795 else | |
| 4796 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4797 } |
| 4798 | |
| 4799 /* | |
| 4800 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4801 * the backup file our 'original' file. | |
| 4802 */ | |
| 4803 if (*p_pm && dobackup) | |
| 4804 { | |
| 4805 char *org = (char *)buf_modname( | |
| 4806 #ifdef SHORT_FNAME | |
| 4807 TRUE, | |
| 4808 #else | |
| 4809 (buf->b_p_sn || buf->b_shortname), | |
| 4810 #endif | |
| 4811 fname, p_pm, FALSE); | |
| 4812 | |
| 4813 if (backup != NULL) | |
| 4814 { | |
| 4815 struct stat st; | |
| 4816 | |
| 4817 /* | |
| 4818 * If the original file does not exist yet | |
| 4819 * the current backup file becomes the original file | |
| 4820 */ | |
| 4821 if (org == NULL) | |
| 4822 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4823 else if (mch_stat(org, &st) < 0) | |
| 4824 { | |
| 4825 vim_rename(backup, (char_u *)org); | |
| 4826 vim_free(backup); /* don't delete the file */ | |
| 4827 backup = NULL; | |
| 4828 #ifdef UNIX | |
| 4829 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4830 #endif | |
| 4831 } | |
| 4832 } | |
| 4833 /* | |
| 4834 * If there is no backup file, remember that a (new) file was | |
| 4835 * created. | |
| 4836 */ | |
| 4837 else | |
| 4838 { | |
| 4839 int empty_fd; | |
| 4840 | |
| 4841 if (org == NULL | |
| 557 | 4842 || (empty_fd = mch_open(org, |
| 4843 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4844 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4845 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4846 else | |
| 4847 close(empty_fd); | |
| 4848 } | |
| 4849 if (org != NULL) | |
| 4850 { | |
| 4851 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4852 vim_free(org); | |
| 4853 } | |
| 4854 } | |
| 4855 | |
| 4856 /* | |
| 4857 * Remove the backup unless 'backup' option is set | |
| 4858 */ | |
| 4859 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 4860 EMSG(_("E207: Can't delete backup file")); | |
| 4861 | |
| 4862 #ifdef FEAT_SUN_WORKSHOP | |
| 4863 if (usingSunWorkShop) | |
| 4864 workshop_file_saved((char *) ffname); | |
| 4865 #endif | |
| 4866 | |
| 4867 goto nofail; | |
| 4868 | |
| 4869 /* | |
| 4870 * Finish up. We get here either after failure or success. | |
| 4871 */ | |
| 4872 fail: | |
| 4873 --no_wait_return; /* may wait for return now */ | |
| 4874 nofail: | |
| 4875 | |
| 4876 /* Done saving, we accept changed buffer warnings again */ | |
| 4877 buf->b_saving = FALSE; | |
| 4878 | |
| 4879 vim_free(backup); | |
| 4880 if (buffer != smallbuf) | |
| 4881 vim_free(buffer); | |
| 4882 #ifdef FEAT_MBYTE | |
| 4883 vim_free(fenc_tofree); | |
| 4884 vim_free(write_info.bw_conv_buf); | |
| 4885 # ifdef USE_ICONV | |
| 4886 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4887 { | |
| 4888 iconv_close(write_info.bw_iconv_fd); | |
| 4889 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 4890 } | |
| 4891 # endif | |
| 4892 #endif | |
| 4893 #ifdef HAVE_ACL | |
| 4894 mch_free_acl(acl); | |
| 4895 #endif | |
| 4896 | |
| 4897 if (errmsg != NULL) | |
| 4898 { | |
| 835 | 4899 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 4900 |
| 4901 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 4902 msg_add_fname(buf, | |
| 4903 #ifndef UNIX | |
| 4904 sfname | |
| 4905 #else | |
| 4906 fname | |
| 4907 #endif | |
| 4908 ); /* put file name in IObuff with quotes */ | |
| 4909 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 4910 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 4911 /* If the error message has the form "is ...", put the error number in | |
| 4912 * front of the file name. */ | |
| 4913 if (errnum != NULL) | |
| 4914 { | |
| 1620 | 4915 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 4916 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 4917 } | |
| 4918 STRCAT(IObuff, errmsg); | |
| 4919 emsg(IObuff); | |
| 1947 | 4920 if (errmsg_allocated) |
| 4921 vim_free(errmsg); | |
| 7 | 4922 |
| 4923 retval = FAIL; | |
| 4924 if (end == 0) | |
| 4925 { | |
| 4926 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 4927 attr | MSG_HIST); | |
| 4928 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 4929 attr | MSG_HIST); | |
| 4930 | |
| 4931 /* Update the timestamp to avoid an "overwrite changed file" | |
| 4932 * prompt when writing again. */ | |
| 4933 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 4934 { | |
| 4935 buf_store_time(buf, &st_old, fname); | |
| 4936 buf->b_mtime_read = buf->b_mtime; | |
| 4937 } | |
| 4938 } | |
| 4939 } | |
| 4940 msg_scroll = msg_save; | |
| 4941 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4942 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4943 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4944 * When writing the whole file and 'undofile' is set, also write the undo |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4945 * file. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4946 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4947 if (retval == OK && write_undo_file) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4948 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4949 char_u hash[UNDO_HASH_SIZE]; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4950 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4951 sha256_finish(&sha_ctx, hash); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4952 u_write_undo(NULL, FALSE, buf, hash); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4953 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4954 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4955 |
| 7 | 4956 #ifdef FEAT_AUTOCMD |
| 4957 #ifdef FEAT_EVAL | |
| 4958 if (!should_abort(retval)) | |
| 4959 #else | |
| 4960 if (!got_int) | |
| 4961 #endif | |
| 4962 { | |
| 4963 aco_save_T aco; | |
| 4964 | |
| 4965 write_no_eol_lnum = 0; /* in case it was set by the previous read */ | |
| 4966 | |
| 4967 /* | |
| 4968 * Apply POST autocommands. | |
| 4969 * Careful: The autocommands may call buf_write() recursively! | |
| 4970 */ | |
| 4971 aucmd_prepbuf(&aco, buf); | |
| 4972 | |
| 4973 if (append) | |
| 4974 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 4975 FALSE, curbuf, eap); | |
| 4976 else if (filtering) | |
| 4977 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 4978 FALSE, curbuf, eap); | |
| 4979 else if (reset_changed && whole) | |
| 4980 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 4981 FALSE, curbuf, eap); | |
| 4982 else | |
| 4983 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 4984 FALSE, curbuf, eap); | |
| 4985 | |
| 4986 /* restore curwin/curbuf and a few other things */ | |
| 4987 aucmd_restbuf(&aco); | |
| 4988 | |
| 4989 #ifdef FEAT_EVAL | |
| 4990 if (aborting()) /* autocmds may abort script processing */ | |
| 4991 retval = FALSE; | |
| 4992 #endif | |
| 4993 } | |
| 4994 #endif | |
| 4995 | |
| 4996 got_int |= prev_got_int; | |
| 4997 | |
| 4998 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4999 /* Update machine specific information. */ | |
| 5000 mch_post_buffer_write(buf); | |
| 5001 #endif | |
| 5002 return retval; | |
| 5003 } | |
| 5004 | |
| 5005 /* | |
| 633 | 5006 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 5007 * name and a ":r" or ":w" command with a file name is used. | |
| 5008 */ | |
| 5009 static int | |
| 5010 set_rw_fname(fname, sfname) | |
| 5011 char_u *fname; | |
| 5012 char_u *sfname; | |
| 5013 { | |
| 5014 #ifdef FEAT_AUTOCMD | |
| 1905 | 5015 buf_T *buf = curbuf; |
| 5016 | |
| 633 | 5017 /* It's like the unnamed buffer is deleted.... */ |
| 5018 if (curbuf->b_p_bl) | |
| 5019 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 5020 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 5021 # ifdef FEAT_EVAL | |
| 5022 if (aborting()) /* autocmds may abort script processing */ | |
| 5023 return FAIL; | |
| 5024 # endif | |
| 1905 | 5025 if (curbuf != buf) |
| 5026 { | |
| 5027 /* We are in another buffer now, don't do the renaming. */ | |
| 5028 EMSG(_(e_auchangedbuf)); | |
| 5029 return FAIL; | |
| 5030 } | |
| 633 | 5031 #endif |
| 5032 | |
| 5033 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 5034 curbuf->b_flags |= BF_NOTEDITED; | |
| 5035 | |
| 5036 #ifdef FEAT_AUTOCMD | |
| 5037 /* ....and a new named one is created */ | |
| 5038 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 5039 if (curbuf->b_p_bl) | |
| 5040 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 5041 # ifdef FEAT_EVAL | |
| 5042 if (aborting()) /* autocmds may abort script processing */ | |
| 5043 return FAIL; | |
| 5044 # endif | |
| 5045 | |
| 5046 /* Do filetype detection now if 'filetype' is empty. */ | |
| 5047 if (*curbuf->b_p_ft == NUL) | |
| 5048 { | |
| 819 | 5049 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 5050 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 5051 do_modelines(0); |
| 633 | 5052 } |
| 5053 #endif | |
| 5054 | |
| 5055 return OK; | |
| 5056 } | |
| 5057 | |
| 5058 /* | |
| 7 | 5059 * Put file name into IObuff with quotes. |
| 5060 */ | |
| 33 | 5061 void |
| 7 | 5062 msg_add_fname(buf, fname) |
| 5063 buf_T *buf; | |
| 5064 char_u *fname; | |
| 5065 { | |
| 5066 if (fname == NULL) | |
| 5067 fname = (char_u *)"-stdin-"; | |
| 5068 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 5069 IObuff[0] = '"'; | |
| 5070 STRCAT(IObuff, "\" "); | |
| 5071 } | |
| 5072 | |
| 5073 /* | |
| 5074 * Append message for text mode to IObuff. | |
| 5075 * Return TRUE if something appended. | |
| 5076 */ | |
| 5077 static int | |
| 5078 msg_add_fileformat(eol_type) | |
| 5079 int eol_type; | |
| 5080 { | |
| 5081 #ifndef USE_CRNL | |
| 5082 if (eol_type == EOL_DOS) | |
| 5083 { | |
| 5084 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 5085 return TRUE; | |
| 5086 } | |
| 5087 #endif | |
| 5088 #ifndef USE_CR | |
| 5089 if (eol_type == EOL_MAC) | |
| 5090 { | |
| 5091 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 5092 return TRUE; | |
| 5093 } | |
| 5094 #endif | |
| 5095 #if defined(USE_CRNL) || defined(USE_CR) | |
| 5096 if (eol_type == EOL_UNIX) | |
| 5097 { | |
| 5098 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 5099 return TRUE; | |
| 5100 } | |
| 5101 #endif | |
| 5102 return FALSE; | |
| 5103 } | |
| 5104 | |
| 5105 /* | |
| 5106 * Append line and character count to IObuff. | |
| 5107 */ | |
| 33 | 5108 void |
| 7 | 5109 msg_add_lines(insert_space, lnum, nchars) |
| 5110 int insert_space; | |
| 5111 long lnum; | |
| 5112 long nchars; | |
| 5113 { | |
| 5114 char_u *p; | |
| 5115 | |
| 5116 p = IObuff + STRLEN(IObuff); | |
| 5117 | |
| 5118 if (insert_space) | |
| 5119 *p++ = ' '; | |
| 5120 if (shortmess(SHM_LINES)) | |
| 5121 sprintf((char *)p, "%ldL, %ldC", lnum, nchars); | |
| 5122 else | |
| 5123 { | |
| 5124 if (lnum == 1) | |
| 5125 STRCPY(p, _("1 line, ")); | |
| 5126 else | |
| 5127 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 5128 p += STRLEN(p); | |
| 5129 if (nchars == 1) | |
| 5130 STRCPY(p, _("1 character")); | |
| 5131 else | |
| 5132 sprintf((char *)p, _("%ld characters"), nchars); | |
| 5133 } | |
| 5134 } | |
| 5135 | |
| 5136 /* | |
| 5137 * Append message for missing line separator to IObuff. | |
| 5138 */ | |
| 5139 static void | |
| 5140 msg_add_eol() | |
| 5141 { | |
| 5142 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5143 } | |
| 5144 | |
| 5145 /* | |
| 5146 * Check modification time of file, before writing to it. | |
| 5147 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5148 * using the same timestamp but can't set the size. | |
| 5149 */ | |
| 5150 static int | |
| 5151 check_mtime(buf, st) | |
| 5152 buf_T *buf; | |
| 5153 struct stat *st; | |
| 5154 { | |
| 5155 if (buf->b_mtime_read != 0 | |
| 5156 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5157 { | |
| 5158 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5159 msg_silent = 0; /* must give this prompt */ | |
| 5160 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5161 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5162 hl_attr(HLF_E)); | |
| 5163 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5164 TRUE) == 'n') | |
| 5165 return FAIL; | |
| 5166 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5167 } | |
| 5168 return OK; | |
| 5169 } | |
| 5170 | |
| 5171 static int | |
| 5172 time_differs(t1, t2) | |
| 5173 long t1, t2; | |
| 5174 { | |
| 5175 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5176 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5177 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5178 * time may change unexpectedly by one second!!! */ | |
| 5179 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5180 #else | |
| 5181 return (t1 != t2); | |
| 5182 #endif | |
| 5183 } | |
| 5184 | |
| 5185 /* | |
| 5186 * Call write() to write a number of bytes to the file. | |
| 5187 * Also handles encryption and 'encoding' conversion. | |
| 5188 * | |
| 5189 * Return FAIL for failure, OK otherwise. | |
| 5190 */ | |
| 5191 static int | |
| 5192 buf_write_bytes(ip) | |
| 5193 struct bw_info *ip; | |
| 5194 { | |
| 5195 int wlen; | |
| 5196 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5197 int len = ip->bw_len; /* length of data */ | |
| 5198 #ifdef HAS_BW_FLAGS | |
| 5199 int flags = ip->bw_flags; /* extra flags */ | |
| 5200 #endif | |
| 5201 | |
| 5202 #ifdef FEAT_MBYTE | |
| 5203 /* | |
| 5204 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5205 */ | |
| 5206 if (!(flags & FIO_NOCONVERT)) | |
| 5207 { | |
| 5208 char_u *p; | |
| 5209 unsigned c; | |
| 5210 int n; | |
| 5211 | |
| 5212 if (flags & FIO_UTF8) | |
| 5213 { | |
| 5214 /* | |
| 5215 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5216 */ | |
| 5217 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5218 for (wlen = 0; wlen < len; ++wlen) | |
| 5219 p += utf_char2bytes(buf[wlen], p); | |
| 5220 buf = ip->bw_conv_buf; | |
| 5221 len = (int)(p - ip->bw_conv_buf); | |
| 5222 } | |
| 5223 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5224 { | |
| 5225 /* | |
| 5226 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5227 * Latin1 chars in the file. | |
| 5228 */ | |
| 5229 if (flags & FIO_LATIN1) | |
| 5230 p = buf; /* translate in-place (can only get shorter) */ | |
| 5231 else | |
| 5232 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5233 for (wlen = 0; wlen < len; wlen += n) | |
| 5234 { | |
| 5235 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5236 { | |
| 5237 int l; | |
| 5238 | |
| 5239 /* Use remainder of previous call. Append the start of | |
| 5240 * buf[] to get a full sequence. Might still be too | |
| 5241 * short! */ | |
| 5242 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5243 if (l > len) | |
| 5244 l = len; | |
| 5245 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5246 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5247 if (n > ip->bw_restlen + len) |
| 5248 { | |
| 5249 /* We have an incomplete byte sequence at the end to | |
| 5250 * be written. We can't convert it without the | |
| 5251 * remaining bytes. Keep them for the next call. */ | |
| 5252 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5253 return FAIL; | |
| 5254 ip->bw_restlen += len; | |
| 5255 break; | |
| 5256 } | |
| 5257 if (n > 1) | |
| 5258 c = utf_ptr2char(ip->bw_rest); | |
| 5259 else | |
| 5260 c = ip->bw_rest[0]; | |
| 5261 if (n >= ip->bw_restlen) | |
| 5262 { | |
| 5263 n -= ip->bw_restlen; | |
| 5264 ip->bw_restlen = 0; | |
| 5265 } | |
| 5266 else | |
| 5267 { | |
| 5268 ip->bw_restlen -= n; | |
| 5269 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5270 (size_t)ip->bw_restlen); | |
| 5271 n = 0; | |
| 5272 } | |
| 5273 } | |
| 5274 else | |
| 5275 { | |
| 474 | 5276 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5277 if (n > len - wlen) |
| 5278 { | |
| 5279 /* We have an incomplete byte sequence at the end to | |
| 5280 * be written. We can't convert it without the | |
| 5281 * remaining bytes. Keep them for the next call. */ | |
| 5282 if (len - wlen > CONV_RESTLEN) | |
| 5283 return FAIL; | |
| 5284 ip->bw_restlen = len - wlen; | |
| 5285 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5286 (size_t)ip->bw_restlen); | |
| 5287 break; | |
| 5288 } | |
| 5289 if (n > 1) | |
| 5290 c = utf_ptr2char(buf + wlen); | |
| 5291 else | |
| 5292 c = buf[wlen]; | |
| 5293 } | |
| 5294 | |
| 1947 | 5295 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5296 { | |
| 5297 ip->bw_conv_error = TRUE; | |
| 5298 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5299 } | |
| 5300 if (c == NL) | |
| 5301 ++ip->bw_start_lnum; | |
| 7 | 5302 } |
| 5303 if (flags & FIO_LATIN1) | |
| 5304 len = (int)(p - buf); | |
| 5305 else | |
| 5306 { | |
| 5307 buf = ip->bw_conv_buf; | |
| 5308 len = (int)(p - ip->bw_conv_buf); | |
| 5309 } | |
| 5310 } | |
| 5311 | |
| 5312 # ifdef WIN3264 | |
| 5313 else if (flags & FIO_CODEPAGE) | |
| 5314 { | |
| 5315 /* | |
| 5316 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5317 * codepage. | |
| 5318 */ | |
| 5319 char_u *from; | |
| 5320 size_t fromlen; | |
| 5321 char_u *to; | |
| 5322 int u8c; | |
| 5323 BOOL bad = FALSE; | |
| 5324 int needed; | |
| 5325 | |
| 5326 if (ip->bw_restlen > 0) | |
| 5327 { | |
| 5328 /* Need to concatenate the remainder of the previous call and | |
| 5329 * the bytes of the current call. Use the end of the | |
| 5330 * conversion buffer for this. */ | |
| 5331 fromlen = len + ip->bw_restlen; | |
| 5332 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5333 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5334 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5335 } | |
| 5336 else | |
| 5337 { | |
| 5338 from = buf; | |
| 5339 fromlen = len; | |
| 5340 } | |
| 5341 | |
| 5342 to = ip->bw_conv_buf; | |
| 5343 if (enc_utf8) | |
| 5344 { | |
| 5345 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5346 * The buffer has been allocated to be big enough. */ | |
| 5347 while (fromlen > 0) | |
| 5348 { | |
| 835 | 5349 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5350 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5351 break; | |
| 5352 u8c = utf_ptr2char(from); | |
| 5353 *to++ = (u8c & 0xff); | |
| 5354 *to++ = (u8c >> 8); | |
| 5355 fromlen -= n; | |
| 5356 from += n; | |
| 5357 } | |
| 5358 | |
| 5359 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5360 * call. */ | |
| 5361 if (fromlen > CONV_RESTLEN) | |
| 5362 { | |
| 5363 /* weird overlong sequence */ | |
| 5364 ip->bw_conv_error = TRUE; | |
| 5365 return FAIL; | |
| 5366 } | |
| 5367 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5368 ip->bw_restlen = (int)fromlen; |
| 7 | 5369 } |
| 5370 else | |
| 5371 { | |
| 5372 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5373 * buffer. The buffer has been allocated to be big enough. */ | |
| 5374 ip->bw_restlen = 0; | |
| 5375 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5376 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5377 NULL, 0); |
| 5378 if (needed == 0) | |
| 5379 { | |
| 5380 /* When conversion fails there may be a trailing byte. */ | |
| 5381 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5382 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5383 NULL, 0); |
| 5384 if (needed == 0) | |
| 5385 { | |
| 5386 /* Conversion doesn't work. */ | |
| 5387 ip->bw_conv_error = TRUE; | |
| 5388 return FAIL; | |
| 5389 } | |
| 5390 /* Save the trailing byte for the next call. */ | |
| 5391 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5392 ip->bw_restlen = 1; | |
| 5393 } | |
| 5394 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5395 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5396 (LPWSTR)to, needed); |
| 5397 if (needed == 0) | |
| 5398 { | |
| 5399 /* Safety check: Conversion doesn't work. */ | |
| 5400 ip->bw_conv_error = TRUE; | |
| 5401 return FAIL; | |
| 5402 } | |
| 5403 to += needed * 2; | |
| 5404 } | |
| 5405 | |
| 5406 fromlen = to - ip->bw_conv_buf; | |
| 5407 buf = to; | |
| 5408 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5409 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5410 { | |
| 5411 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5412 * conversion buffer. Fails when out of space. */ | |
| 5413 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5414 { | |
| 5415 u8c = *from++; | |
| 5416 u8c += (*from++ << 8); | |
| 5417 to += utf_char2bytes(u8c, to); | |
| 5418 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5419 { | |
| 5420 ip->bw_conv_error = TRUE; | |
| 5421 return FAIL; | |
| 5422 } | |
| 5423 } | |
| 835 | 5424 len = (int)(to - buf); |
| 7 | 5425 } |
| 5426 else | |
| 5427 #endif | |
| 5428 { | |
| 5429 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5430 * the conversion buffer. If the conversion uses the default | |
| 5431 * character "0", the data doesn't fit in this encoding, so | |
| 5432 * fail. */ | |
| 5433 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5434 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5435 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5436 &bad); | |
| 7 | 5437 if (bad) |
| 5438 { | |
| 5439 ip->bw_conv_error = TRUE; | |
| 5440 return FAIL; | |
| 5441 } | |
| 5442 } | |
| 5443 } | |
| 5444 # endif | |
| 5445 | |
| 765 | 5446 # ifdef MACOS_CONVERT |
| 7 | 5447 else if (flags & FIO_MACROMAN) |
| 5448 { | |
| 5449 /* | |
| 5450 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5451 */ | |
| 5452 char_u *from; | |
| 5453 size_t fromlen; | |
| 5454 | |
| 5455 if (ip->bw_restlen > 0) | |
| 5456 { | |
| 5457 /* Need to concatenate the remainder of the previous call and | |
| 5458 * the bytes of the current call. Use the end of the | |
| 5459 * conversion buffer for this. */ | |
| 5460 fromlen = len + ip->bw_restlen; | |
| 5461 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5462 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5463 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5464 } | |
| 5465 else | |
| 5466 { | |
| 5467 from = buf; | |
| 5468 fromlen = len; | |
| 5469 } | |
| 5470 | |
| 18 | 5471 if (enc2macroman(from, fromlen, |
| 5472 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5473 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5474 { |
| 5475 ip->bw_conv_error = TRUE; | |
| 5476 return FAIL; | |
| 5477 } | |
| 5478 buf = ip->bw_conv_buf; | |
| 5479 } | |
| 5480 # endif | |
| 5481 | |
| 5482 # ifdef USE_ICONV | |
| 5483 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5484 { | |
| 5485 const char *from; | |
| 5486 size_t fromlen; | |
| 5487 char *to; | |
| 5488 size_t tolen; | |
| 5489 | |
| 5490 /* Convert with iconv(). */ | |
| 5491 if (ip->bw_restlen > 0) | |
| 5492 { | |
| 1836 | 5493 char *fp; |
| 5494 | |
| 7 | 5495 /* Need to concatenate the remainder of the previous call and |
| 5496 * the bytes of the current call. Use the end of the | |
| 5497 * conversion buffer for this. */ | |
| 5498 fromlen = len + ip->bw_restlen; | |
| 1836 | 5499 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5500 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5501 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5502 from = fp; | |
| 7 | 5503 tolen = ip->bw_conv_buflen - fromlen; |
| 5504 } | |
| 5505 else | |
| 5506 { | |
| 5507 from = (const char *)buf; | |
| 5508 fromlen = len; | |
| 5509 tolen = ip->bw_conv_buflen; | |
| 5510 } | |
| 5511 to = (char *)ip->bw_conv_buf; | |
| 5512 | |
| 5513 if (ip->bw_first) | |
| 5514 { | |
| 5515 size_t save_len = tolen; | |
| 5516 | |
| 5517 /* output the initial shift state sequence */ | |
| 5518 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5519 | |
| 5520 /* There is a bug in iconv() on Linux (which appears to be | |
| 5521 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5522 */ | |
| 5523 if (to == NULL) | |
| 5524 { | |
| 5525 to = (char *)ip->bw_conv_buf; | |
| 5526 tolen = save_len; | |
| 5527 } | |
| 5528 ip->bw_first = FALSE; | |
| 5529 } | |
| 5530 | |
| 5531 /* | |
| 5532 * If iconv() has an error or there is not enough room, fail. | |
| 5533 */ | |
| 5534 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5535 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5536 || fromlen > CONV_RESTLEN) | |
| 5537 { | |
| 5538 ip->bw_conv_error = TRUE; | |
| 5539 return FAIL; | |
| 5540 } | |
| 5541 | |
| 5542 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5543 if (fromlen > 0) | |
| 5544 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5545 ip->bw_restlen = (int)fromlen; | |
| 5546 | |
| 5547 buf = ip->bw_conv_buf; | |
| 5548 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5549 } | |
| 5550 # endif | |
| 5551 } | |
| 5552 #endif /* FEAT_MBYTE */ | |
| 5553 | |
| 5554 #ifdef FEAT_CRYPT | |
| 5555 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 5556 { | |
| 5557 int ztemp, t, i; | |
| 5558 | |
| 5559 for (i = 0; i < len; i++) | |
| 5560 { | |
| 5561 ztemp = buf[i]; | |
| 5562 buf[i] = ZENCODE(ztemp, t); | |
| 5563 } | |
| 5564 } | |
| 5565 #endif | |
| 5566 | |
| 5567 /* Repeat the write(), it may be interrupted by a signal. */ | |
| 1142 | 5568 while (len > 0) |
| 7 | 5569 { |
| 5570 wlen = vim_write(ip->bw_fd, buf, len); | |
| 5571 if (wlen <= 0) /* error! */ | |
| 5572 return FAIL; | |
| 5573 len -= wlen; | |
| 5574 buf += wlen; | |
| 5575 } | |
| 5576 return OK; | |
| 5577 } | |
| 5578 | |
| 5579 #ifdef FEAT_MBYTE | |
| 5580 /* | |
| 5581 * Convert a Unicode character to bytes. | |
| 1947 | 5582 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5583 */ |
| 5584 static int | |
| 5585 ucs2bytes(c, pp, flags) | |
| 5586 unsigned c; /* in: character */ | |
| 5587 char_u **pp; /* in/out: pointer to result */ | |
| 5588 int flags; /* FIO_ flags */ | |
| 5589 { | |
| 5590 char_u *p = *pp; | |
| 5591 int error = FALSE; | |
| 5592 int cc; | |
| 5593 | |
| 5594 | |
| 5595 if (flags & FIO_UCS4) | |
| 5596 { | |
| 5597 if (flags & FIO_ENDIAN_L) | |
| 5598 { | |
| 5599 *p++ = c; | |
| 5600 *p++ = (c >> 8); | |
| 5601 *p++ = (c >> 16); | |
| 5602 *p++ = (c >> 24); | |
| 5603 } | |
| 5604 else | |
| 5605 { | |
| 5606 *p++ = (c >> 24); | |
| 5607 *p++ = (c >> 16); | |
| 5608 *p++ = (c >> 8); | |
| 5609 *p++ = c; | |
| 5610 } | |
| 5611 } | |
| 5612 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5613 { | |
| 5614 if (c >= 0x10000) | |
| 5615 { | |
| 5616 if (flags & FIO_UTF16) | |
| 5617 { | |
| 5618 /* Make two words, ten bits of the character in each. First | |
| 5619 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5620 c -= 0x10000; | |
| 5621 if (c >= 0x100000) | |
| 5622 error = TRUE; | |
| 5623 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5624 if (flags & FIO_ENDIAN_L) | |
| 5625 { | |
| 5626 *p++ = cc; | |
| 5627 *p++ = ((unsigned)cc >> 8); | |
| 5628 } | |
| 5629 else | |
| 5630 { | |
| 5631 *p++ = ((unsigned)cc >> 8); | |
| 5632 *p++ = cc; | |
| 5633 } | |
| 5634 c = (c & 0x3ff) + 0xdc00; | |
| 5635 } | |
| 5636 else | |
| 5637 error = TRUE; | |
| 5638 } | |
| 5639 if (flags & FIO_ENDIAN_L) | |
| 5640 { | |
| 5641 *p++ = c; | |
| 5642 *p++ = (c >> 8); | |
| 5643 } | |
| 5644 else | |
| 5645 { | |
| 5646 *p++ = (c >> 8); | |
| 5647 *p++ = c; | |
| 5648 } | |
| 5649 } | |
| 5650 else /* Latin1 */ | |
| 5651 { | |
| 5652 if (c >= 0x100) | |
| 5653 { | |
| 5654 error = TRUE; | |
| 5655 *p++ = 0xBF; | |
| 5656 } | |
| 5657 else | |
| 5658 *p++ = c; | |
| 5659 } | |
| 5660 | |
| 5661 *pp = p; | |
| 5662 return error; | |
| 5663 } | |
| 5664 | |
| 5665 /* | |
| 1948 | 5666 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5667 * 'encoding'. | |
| 7 | 5668 */ |
| 5669 static int | |
| 1948 | 5670 need_conversion(fenc) |
| 5671 char_u *fenc; | |
| 7 | 5672 { |
| 1948 | 5673 int same_encoding; |
| 5674 int enc_flags; | |
| 5675 int fenc_flags; | |
| 5676 | |
| 5677 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
| 5678 same_encoding = TRUE; | |
| 5679 else | |
| 5680 { | |
| 5681 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5682 * "ucs-4be", etc. */ | |
| 5683 enc_flags = get_fio_flags(p_enc); | |
| 5684 fenc_flags = get_fio_flags(fenc); | |
| 5685 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5686 } | |
| 5687 if (same_encoding) | |
| 5688 { | |
| 5689 /* Specified encoding matches with 'encoding'. This requires | |
| 5690 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5691 return enc_unicode != 0; | |
| 5692 } | |
| 5693 | |
| 5694 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5695 * Unicode encoding and the file is UTF-8. */ | |
| 5696 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5697 } |
| 5698 | |
| 5699 /* | |
| 5700 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5701 * internal conversion. | |
| 5702 * if "ptr" is an empty string, use 'encoding'. | |
| 5703 */ | |
| 5704 static int | |
| 5705 get_fio_flags(ptr) | |
| 5706 char_u *ptr; | |
| 5707 { | |
| 5708 int prop; | |
| 5709 | |
| 5710 if (*ptr == NUL) | |
| 5711 ptr = p_enc; | |
| 5712 | |
| 5713 prop = enc_canon_props(ptr); | |
| 5714 if (prop & ENC_UNICODE) | |
| 5715 { | |
| 5716 if (prop & ENC_2BYTE) | |
| 5717 { | |
| 5718 if (prop & ENC_ENDIAN_L) | |
| 5719 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5720 return FIO_UCS2; | |
| 5721 } | |
| 5722 if (prop & ENC_4BYTE) | |
| 5723 { | |
| 5724 if (prop & ENC_ENDIAN_L) | |
| 5725 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5726 return FIO_UCS4; | |
| 5727 } | |
| 5728 if (prop & ENC_2WORD) | |
| 5729 { | |
| 5730 if (prop & ENC_ENDIAN_L) | |
| 5731 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5732 return FIO_UTF16; | |
| 5733 } | |
| 5734 return FIO_UTF8; | |
| 5735 } | |
| 5736 if (prop & ENC_LATIN1) | |
| 5737 return FIO_LATIN1; | |
| 5738 /* must be ENC_DBCS, requires iconv() */ | |
| 5739 return 0; | |
| 5740 } | |
| 5741 | |
| 5742 #ifdef WIN3264 | |
| 5743 /* | |
| 5744 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5745 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5746 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5747 */ | |
| 5748 static int | |
| 5749 get_win_fio_flags(ptr) | |
| 5750 char_u *ptr; | |
| 5751 { | |
| 5752 int cp; | |
| 5753 | |
| 5754 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5755 if (!enc_utf8 && enc_codepage <= 0) | |
| 5756 return 0; | |
| 5757 | |
| 5758 cp = encname2codepage(ptr); | |
| 5759 if (cp == 0) | |
| 5760 { | |
| 5761 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5762 if (STRCMP(ptr, "utf-8") == 0) | |
| 5763 cp = CP_UTF8; | |
| 5764 else | |
| 5765 # endif | |
| 5766 return 0; | |
| 5767 } | |
| 5768 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5769 } | |
| 5770 #endif | |
| 5771 | |
| 5772 #ifdef MACOS_X | |
| 5773 /* | |
| 5774 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5775 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5776 */ | |
| 5777 static int | |
| 5778 get_mac_fio_flags(ptr) | |
| 5779 char_u *ptr; | |
| 5780 { | |
| 5781 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5782 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5783 return FIO_MACROMAN; | |
| 5784 return 0; | |
| 5785 } | |
| 5786 #endif | |
| 5787 | |
| 5788 /* | |
| 5789 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5790 * "size" must be at least 2. | |
| 5791 * Return the name of the encoding and set "*lenp" to the length. | |
| 5792 * Returns NULL when no BOM found. | |
| 5793 */ | |
| 5794 static char_u * | |
| 5795 check_for_bom(p, size, lenp, flags) | |
| 5796 char_u *p; | |
| 5797 long size; | |
| 5798 int *lenp; | |
| 5799 int flags; | |
| 5800 { | |
| 5801 char *name = NULL; | |
| 5802 int len = 2; | |
| 5803 | |
| 5804 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5805 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5806 { |
| 5807 name = "utf-8"; /* EF BB BF */ | |
| 5808 len = 3; | |
| 5809 } | |
| 5810 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5811 { | |
| 5812 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5813 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5814 { | |
| 5815 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5816 len = 4; | |
| 5817 } | |
| 1735 | 5818 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5819 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5820 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5821 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5822 name = "utf-16le"; /* FF FE */ |
| 5823 } | |
| 5824 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5825 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5826 { | |
| 1547 | 5827 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5828 if (flags == FIO_UCS2) | |
| 5829 name = "ucs-2"; /* FE FF */ | |
| 5830 else | |
| 7 | 5831 name = "utf-16"; /* FE FF */ |
| 5832 } | |
| 5833 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5834 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5835 { | |
| 5836 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5837 len = 4; | |
| 5838 } | |
| 5839 | |
| 5840 *lenp = len; | |
| 5841 return (char_u *)name; | |
| 5842 } | |
| 5843 | |
| 5844 /* | |
| 5845 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5846 * Return the length of the BOM (zero when no BOM). | |
| 5847 */ | |
| 5848 static int | |
| 5849 make_bom(buf, name) | |
| 5850 char_u *buf; | |
| 5851 char_u *name; | |
| 5852 { | |
| 5853 int flags; | |
| 5854 char_u *p; | |
| 5855 | |
| 5856 flags = get_fio_flags(name); | |
| 5857 | |
| 5858 /* Can't put a BOM in a non-Unicode file. */ | |
| 5859 if (flags == FIO_LATIN1 || flags == 0) | |
| 5860 return 0; | |
| 5861 | |
| 5862 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 5863 { | |
| 5864 buf[0] = 0xef; | |
| 5865 buf[1] = 0xbb; | |
| 5866 buf[2] = 0xbf; | |
| 5867 return 3; | |
| 5868 } | |
| 5869 p = buf; | |
| 5870 (void)ucs2bytes(0xfeff, &p, flags); | |
| 5871 return (int)(p - buf); | |
| 5872 } | |
| 5873 #endif | |
| 5874 | |
| 1418 | 5875 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 5876 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 5877 /* |
| 5878 * Try to find a shortname by comparing the fullname with the current | |
| 5879 * directory. | |
| 1411 | 5880 * Returns "full_path" or pointer into "full_path" if shortened. |
| 5881 */ | |
| 5882 char_u * | |
| 5883 shorten_fname1(full_path) | |
| 5884 char_u *full_path; | |
| 5885 { | |
| 5886 char_u dirname[MAXPATHL]; | |
| 5887 char_u *p = full_path; | |
| 5888 | |
| 5889 if (mch_dirname(dirname, MAXPATHL) == OK) | |
| 5890 { | |
| 5891 p = shorten_fname(full_path, dirname); | |
| 5892 if (p == NULL || *p == NUL) | |
| 5893 p = full_path; | |
| 5894 } | |
| 5895 return p; | |
| 5896 } | |
| 1418 | 5897 #endif |
| 1411 | 5898 |
| 5899 /* | |
| 5900 * Try to find a shortname by comparing the fullname with the current | |
| 5901 * directory. | |
| 7 | 5902 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 5903 * otherwise. | |
| 5904 */ | |
| 5905 char_u * | |
| 5906 shorten_fname(full_path, dir_name) | |
| 5907 char_u *full_path; | |
| 5908 char_u *dir_name; | |
| 5909 { | |
| 5910 int len; | |
| 5911 char_u *p; | |
| 5912 | |
| 5913 if (full_path == NULL) | |
| 5914 return NULL; | |
| 5915 len = (int)STRLEN(dir_name); | |
| 5916 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 5917 { | |
| 5918 p = full_path + len; | |
| 5919 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5920 /* | |
| 5921 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 5922 * slash, since C: by itself does not define a specific dir. In this | |
| 5923 * case p may already be correct. <negri> | |
| 5924 */ | |
| 5925 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 5926 #endif | |
| 5927 { | |
| 5928 if (vim_ispathsep(*p)) | |
| 5929 ++p; | |
| 5930 #ifndef VMS /* the path separator is always part of the path */ | |
| 5931 else | |
| 5932 p = NULL; | |
| 5933 #endif | |
| 5934 } | |
| 5935 } | |
| 5936 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 5937 /* | |
| 5938 * When using a file in the current drive, remove the drive name: | |
| 5939 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 5940 * a floppy from "A:\dir" to "B:\dir". | |
| 5941 */ | |
| 5942 else if (len > 3 | |
| 5943 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 5944 && full_path[1] == ':' | |
| 5945 && vim_ispathsep(full_path[2])) | |
| 5946 p = full_path + 2; | |
| 5947 #endif | |
| 5948 else | |
| 5949 p = NULL; | |
| 5950 return p; | |
| 5951 } | |
| 5952 | |
| 5953 /* | |
| 5954 * Shorten filenames for all buffers. | |
| 5955 * When "force" is TRUE: Use full path from now on for files currently being | |
| 5956 * edited, both for file name and swap file name. Try to shorten the file | |
| 5957 * names a bit, if safe to do so. | |
| 5958 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 5959 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 5960 * name. | |
| 5961 */ | |
| 5962 void | |
| 5963 shorten_fnames(force) | |
| 5964 int force; | |
| 5965 { | |
| 5966 char_u dirname[MAXPATHL]; | |
| 5967 buf_T *buf; | |
| 5968 char_u *p; | |
| 5969 | |
| 5970 mch_dirname(dirname, MAXPATHL); | |
| 5971 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 5972 { | |
| 5973 if (buf->b_fname != NULL | |
| 5974 #ifdef FEAT_QUICKFIX | |
| 5975 && !bt_nofile(buf) | |
| 5976 #endif | |
| 5977 && !path_with_url(buf->b_fname) | |
| 5978 && (force | |
| 5979 || buf->b_sfname == NULL | |
| 5980 || mch_isFullName(buf->b_sfname))) | |
| 5981 { | |
| 5982 vim_free(buf->b_sfname); | |
| 5983 buf->b_sfname = NULL; | |
| 5984 p = shorten_fname(buf->b_ffname, dirname); | |
| 5985 if (p != NULL) | |
| 5986 { | |
| 5987 buf->b_sfname = vim_strsave(p); | |
| 5988 buf->b_fname = buf->b_sfname; | |
| 5989 } | |
| 5990 if (p == NULL || buf->b_fname == NULL) | |
| 5991 buf->b_fname = buf->b_ffname; | |
| 9 | 5992 } |
| 5993 | |
| 5994 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 5995 * also have a swap file. */ | |
| 5996 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 5997 } |
| 5998 #ifdef FEAT_WINDOWS | |
| 5999 status_redraw_all(); | |
| 672 | 6000 redraw_tabline = TRUE; |
| 7 | 6001 #endif |
| 6002 } | |
| 6003 | |
| 6004 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 6005 || defined(FEAT_GUI_MSWIN) \ | |
| 6006 || defined(FEAT_GUI_MAC) \ | |
| 6007 || defined(PROTO) | |
| 6008 /* | |
| 6009 * Shorten all filenames in "fnames[count]" by current directory. | |
| 6010 */ | |
| 6011 void | |
| 6012 shorten_filenames(fnames, count) | |
| 6013 char_u **fnames; | |
| 6014 int count; | |
| 6015 { | |
| 6016 int i; | |
| 6017 char_u dirname[MAXPATHL]; | |
| 6018 char_u *p; | |
| 6019 | |
| 6020 if (fnames == NULL || count < 1) | |
| 6021 return; | |
| 6022 mch_dirname(dirname, sizeof(dirname)); | |
| 6023 for (i = 0; i < count; ++i) | |
| 6024 { | |
| 6025 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 6026 { | |
| 6027 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 6028 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 6029 * "p" first then free fnames[i]. */ | |
| 6030 p = vim_strsave(p); | |
| 6031 vim_free(fnames[i]); | |
| 6032 fnames[i] = p; | |
| 6033 } | |
| 6034 } | |
| 6035 } | |
| 6036 #endif | |
| 6037 | |
| 6038 /* | |
| 1651 | 6039 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 6040 * fo_o_h.ext for MSDOS or when shortname option set. |
| 6041 * | |
| 6042 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 6043 * the return value is a different name and ends in 'ext'. | |
| 6044 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 6045 * characters otherwise. | |
| 6046 * Space for the returned name is allocated, must be freed later. | |
| 6047 * Returns NULL when out of memory. | |
| 6048 */ | |
| 6049 char_u * | |
| 6050 modname(fname, ext, prepend_dot) | |
| 6051 char_u *fname, *ext; | |
| 6052 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6053 { | |
| 6054 return buf_modname( | |
| 6055 #ifdef SHORT_FNAME | |
| 6056 TRUE, | |
| 6057 #else | |
| 6058 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 6059 #endif | |
| 6060 fname, ext, prepend_dot); | |
| 6061 } | |
| 6062 | |
| 6063 char_u * | |
| 6064 buf_modname(shortname, fname, ext, prepend_dot) | |
| 6065 int shortname; /* use 8.3 file name */ | |
| 6066 char_u *fname, *ext; | |
| 6067 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6068 { | |
| 6069 char_u *retval; | |
| 6070 char_u *s; | |
| 6071 char_u *e; | |
| 6072 char_u *ptr; | |
| 6073 int fnamelen, extlen; | |
| 6074 | |
| 6075 extlen = (int)STRLEN(ext); | |
| 6076 | |
| 6077 /* | |
| 6078 * If there is no file name we must get the name of the current directory | |
| 6079 * (we need the full path in case :cd is used). | |
| 6080 */ | |
| 6081 if (fname == NULL || *fname == NUL) | |
| 6082 { | |
| 6083 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 6084 if (retval == NULL) | |
| 6085 return NULL; | |
| 6086 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 6087 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 6088 { | |
| 6089 vim_free(retval); | |
| 6090 return NULL; | |
| 6091 } | |
| 39 | 6092 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 6093 { |
| 6094 retval[fnamelen++] = PATHSEP; | |
| 6095 retval[fnamelen] = NUL; | |
| 6096 } | |
| 6097 #ifndef SHORT_FNAME | |
| 6098 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 6099 #endif | |
| 6100 } | |
| 6101 else | |
| 6102 { | |
| 6103 fnamelen = (int)STRLEN(fname); | |
| 6104 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 6105 if (retval == NULL) | |
| 6106 return NULL; | |
| 6107 STRCPY(retval, fname); | |
| 6108 #ifdef VMS | |
| 6109 vms_remove_version(retval); /* we do not need versions here */ | |
| 6110 #endif | |
| 6111 } | |
| 6112 | |
| 6113 /* | |
| 6114 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 6115 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 6116 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 6117 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 6118 */ | |
| 391 | 6119 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 6120 { |
| 6121 #ifndef RISCOS | |
| 6122 if (*ext == '.' | |
| 391 | 6123 # ifdef USE_LONG_FNAME |
| 7 | 6124 && (!USE_LONG_FNAME || shortname) |
| 391 | 6125 # else |
| 6126 # ifndef SHORT_FNAME | |
| 7 | 6127 && shortname |
| 391 | 6128 # endif |
| 7 | 6129 # endif |
| 6130 ) | |
| 6131 if (*ptr == '.') /* replace '.' by '_' */ | |
| 6132 *ptr = '_'; | |
| 391 | 6133 #endif |
| 7 | 6134 if (vim_ispathsep(*ptr)) |
| 391 | 6135 { |
| 6136 ++ptr; | |
| 7 | 6137 break; |
| 391 | 6138 } |
| 6139 } | |
| 7 | 6140 |
| 6141 /* the file name has at most BASENAMELEN characters. */ | |
| 6142 #ifndef SHORT_FNAME | |
| 6143 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6144 ptr[BASENAMELEN] = '\0'; | |
| 6145 #endif | |
| 6146 | |
| 6147 s = ptr + STRLEN(ptr); | |
| 6148 | |
| 6149 /* | |
| 6150 * For 8.3 file names we may have to reduce the length. | |
| 6151 */ | |
| 6152 #ifdef USE_LONG_FNAME | |
| 6153 if (!USE_LONG_FNAME || shortname) | |
| 6154 #else | |
| 6155 # ifndef SHORT_FNAME | |
| 6156 if (shortname) | |
| 6157 # endif | |
| 6158 #endif | |
| 6159 { | |
| 6160 /* | |
| 6161 * If there is no file name, or the file name ends in '/', and the | |
| 6162 * extension starts with '.', put a '_' before the dot, because just | |
| 6163 * ".ext" is invalid. | |
| 6164 */ | |
| 6165 if (fname == NULL || *fname == NUL | |
| 6166 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6167 { | |
| 6168 #ifdef RISCOS | |
| 6169 if (*ext == '/') | |
| 6170 #else | |
| 6171 if (*ext == '.') | |
| 6172 #endif | |
| 6173 *s++ = '_'; | |
| 6174 } | |
| 6175 /* | |
| 6176 * If the extension starts with '.', truncate the base name at 8 | |
| 6177 * characters | |
| 6178 */ | |
| 6179 #ifdef RISCOS | |
| 6180 /* We normally use '/', but swap files are '_' */ | |
| 6181 else if (*ext == '/' || *ext == '_') | |
| 6182 #else | |
| 6183 else if (*ext == '.') | |
| 6184 #endif | |
| 6185 { | |
| 1877 | 6186 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6187 { |
| 6188 s = ptr + 8; | |
| 6189 *s = '\0'; | |
| 6190 } | |
| 6191 } | |
| 6192 /* | |
| 6193 * If the extension doesn't start with '.', and the file name | |
| 6194 * doesn't have an extension yet, append a '.' | |
| 6195 */ | |
| 6196 #ifdef RISCOS | |
| 6197 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
| 6198 *s++ = '/'; | |
| 6199 #else | |
| 6200 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6201 *s++ = '.'; | |
| 6202 #endif | |
| 6203 /* | |
| 6204 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6205 * extension, it may need to be truncated |
| 7 | 6206 */ |
| 6207 else if ((int)STRLEN(e) + extlen > 4) | |
| 6208 s = e + 4 - extlen; | |
| 6209 } | |
| 6210 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6211 /* | |
| 6212 * If there is no file name, and the extension starts with '.', put a | |
| 6213 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6214 * FAT partition, and on HPFS it doesn't matter. | |
| 6215 */ | |
| 6216 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6217 *s++ = '_'; | |
| 6218 #endif | |
| 6219 | |
| 6220 /* | |
| 1651 | 6221 * Append the extension. |
| 7 | 6222 * ext can start with '.' and cannot exceed 3 more characters. |
| 6223 */ | |
| 6224 STRCPY(s, ext); | |
| 6225 | |
| 6226 #ifndef SHORT_FNAME | |
| 6227 /* | |
| 6228 * Prepend the dot. | |
| 6229 */ | |
| 6230 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
| 6231 #ifdef RISCOS | |
| 6232 '/' | |
| 6233 #else | |
| 6234 '.' | |
| 6235 #endif | |
| 6236 #ifdef USE_LONG_FNAME | |
| 6237 && USE_LONG_FNAME | |
| 6238 #endif | |
| 6239 ) | |
| 6240 { | |
| 1620 | 6241 STRMOVE(e + 1, e); |
| 7 | 6242 #ifdef RISCOS |
| 6243 *e = '/'; | |
| 6244 #else | |
| 6245 *e = '.'; | |
| 6246 #endif | |
| 6247 } | |
| 6248 #endif | |
| 6249 | |
| 6250 /* | |
| 6251 * Check that, after appending the extension, the file name is really | |
| 6252 * different. | |
| 6253 */ | |
| 6254 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6255 { | |
| 6256 /* we search for a character that can be replaced by '_' */ | |
| 6257 while (--s >= ptr) | |
| 6258 { | |
| 6259 if (*s != '_') | |
| 6260 { | |
| 6261 *s = '_'; | |
| 6262 break; | |
| 6263 } | |
| 6264 } | |
| 6265 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6266 *ptr = 'v'; | |
| 6267 } | |
| 6268 return retval; | |
| 6269 } | |
| 6270 | |
| 6271 /* | |
| 6272 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6273 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6274 */ | |
| 6275 int | |
| 6276 vim_fgets(buf, size, fp) | |
| 6277 char_u *buf; | |
| 6278 int size; | |
| 6279 FILE *fp; | |
| 6280 { | |
| 6281 char *eof; | |
| 6282 #define FGETS_SIZE 200 | |
| 6283 char tbuf[FGETS_SIZE]; | |
| 6284 | |
| 6285 buf[size - 2] = NUL; | |
| 6286 #ifdef USE_CR | |
| 6287 eof = fgets_cr((char *)buf, size, fp); | |
| 6288 #else | |
| 6289 eof = fgets((char *)buf, size, fp); | |
| 6290 #endif | |
| 6291 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6292 { | |
| 6293 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6294 | |
| 6295 /* Now throw away the rest of the line: */ | |
| 6296 do | |
| 6297 { | |
| 6298 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6299 #ifdef USE_CR | |
| 1757 | 6300 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6301 #else |
| 1757 | 6302 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6303 #endif |
| 6304 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6305 } | |
| 6306 return (eof == NULL); | |
| 6307 } | |
| 6308 | |
| 6309 #if defined(USE_CR) || defined(PROTO) | |
| 6310 /* | |
| 6311 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6312 * Returns TRUE for end-of-file. | |
| 6313 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6314 */ | |
| 6315 int | |
| 6316 tag_fgets(buf, size, fp) | |
| 6317 char_u *buf; | |
| 6318 int size; | |
| 6319 FILE *fp; | |
| 6320 { | |
| 6321 int i = 0; | |
| 6322 int c; | |
| 6323 int eof = FALSE; | |
| 6324 | |
| 6325 for (;;) | |
| 6326 { | |
| 6327 c = fgetc(fp); | |
| 6328 if (c == EOF) | |
| 6329 { | |
| 6330 eof = TRUE; | |
| 6331 break; | |
| 6332 } | |
| 6333 if (c == '\r') | |
| 6334 { | |
| 6335 /* Always store a NL for end-of-line. */ | |
| 6336 if (i < size - 1) | |
| 6337 buf[i++] = '\n'; | |
| 6338 c = fgetc(fp); | |
| 6339 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6340 ungetc(c, fp); | |
| 6341 break; | |
| 6342 } | |
| 6343 if (i < size - 1) | |
| 6344 buf[i++] = c; | |
| 6345 if (c == '\n') | |
| 6346 break; | |
| 6347 } | |
| 6348 buf[i] = NUL; | |
| 6349 return eof; | |
| 6350 } | |
| 6351 #endif | |
| 6352 | |
| 6353 /* | |
| 6354 * rename() only works if both files are on the same file system, this | |
| 6355 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6356 * Return -1 for failure, 0 for success. | |
| 6357 */ | |
| 6358 int | |
| 6359 vim_rename(from, to) | |
| 6360 char_u *from; | |
| 6361 char_u *to; | |
| 6362 { | |
| 6363 int fd_in; | |
| 6364 int fd_out; | |
| 6365 int n; | |
| 6366 char *errmsg = NULL; | |
| 6367 char *buffer; | |
| 6368 #ifdef AMIGA | |
| 6369 BPTR flock; | |
| 6370 #endif | |
| 6371 struct stat st; | |
| 194 | 6372 long perm; |
| 199 | 6373 #ifdef HAVE_ACL |
| 6374 vim_acl_T acl; /* ACL from original file */ | |
| 6375 #endif | |
| 1779 | 6376 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
| 6377 int use_tmp_file = FALSE; | |
| 6378 #endif | |
| 7 | 6379 |
| 6380 /* | |
| 1779 | 6381 * When the names are identical, there is nothing to do. When they refer |
| 6382 * to the same file (ignoring case and slash/backslash differences) but | |
| 6383 * the file name differs we need to go through a temp file. | |
| 7 | 6384 */ |
| 6385 if (fnamecmp(from, to) == 0) | |
| 1779 | 6386 { |
| 6387 #ifdef CASE_INSENSITIVE_FILENAME | |
| 6388 if (STRCMP(gettail(from), gettail(to)) != 0) | |
| 6389 use_tmp_file = TRUE; | |
| 6390 else | |
| 6391 #endif | |
| 6392 return 0; | |
| 6393 } | |
| 7 | 6394 |
| 6395 /* | |
| 6396 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6397 */ | |
| 6398 if (mch_stat((char *)from, &st) < 0) | |
| 6399 return -1; | |
| 6400 | |
| 1778 | 6401 #ifdef UNIX |
| 6402 { | |
| 6403 struct stat st_to; | |
| 6404 | |
| 6405 /* It's possible for the source and destination to be the same file. | |
| 6406 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6407 * filesystem. In that case go through a temp file name. */ | |
| 6408 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6409 && st.st_dev == st_to.st_dev | |
| 6410 && st.st_ino == st_to.st_ino) | |
| 1779 | 6411 use_tmp_file = TRUE; |
| 6412 } | |
| 6413 #endif | |
| 6414 | |
| 6415 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
| 6416 if (use_tmp_file) | |
| 6417 { | |
| 6418 char tempname[MAXPATHL + 1]; | |
| 6419 | |
| 6420 /* | |
| 6421 * Find a name that doesn't exist and is in the same directory. | |
| 6422 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6423 */ | |
| 6424 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6425 return -1; | |
| 6426 STRCPY(tempname, from); | |
| 6427 for (n = 123; n < 99999; ++n) | |
| 6428 { | |
| 6429 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6430 if (mch_stat(tempname, &st) < 0) | |
| 6431 { | |
| 6432 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6433 { |
| 1779 | 6434 if (mch_rename(tempname, (char *)to) == 0) |
| 6435 return 0; | |
| 6436 /* Strange, the second step failed. Try moving the | |
| 6437 * file back and return failure. */ | |
| 6438 mch_rename(tempname, (char *)from); | |
| 1778 | 6439 return -1; |
| 6440 } | |
| 1779 | 6441 /* If it fails for one temp name it will most likely fail |
| 6442 * for any temp name, give up. */ | |
| 6443 return -1; | |
| 6444 } | |
| 6445 } | |
| 6446 return -1; | |
| 1778 | 6447 } |
| 6448 #endif | |
| 6449 | |
| 7 | 6450 /* |
| 6451 * Delete the "to" file, this is required on some systems to make the | |
| 6452 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6453 * two files when the mch_rename() fails. | |
| 6454 */ | |
| 6455 | |
| 6456 #ifdef AMIGA | |
| 6457 /* | |
| 6458 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6459 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6460 * though the names are different. To avoid the chance of accidentally |
| 7 | 6461 * deleting the "from" file (horror!) we lock it during the remove. |
| 6462 * | |
| 6463 * When used for making a backup before writing the file: This should not | |
| 6464 * happen with ":w", because startscript() should detect this problem and | |
| 6465 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6466 * name. This problem does exist with ":w filename", but then the | |
| 6467 * original file will be somewhere else so the backup isn't really | |
| 6468 * important. If autoscripting is off the rename may fail. | |
| 6469 */ | |
| 6470 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6471 #endif | |
| 6472 mch_remove(to); | |
| 6473 #ifdef AMIGA | |
| 6474 if (flock) | |
| 6475 UnLock(flock); | |
| 6476 #endif | |
| 6477 | |
| 6478 /* | |
| 6479 * First try a normal rename, return if it works. | |
| 6480 */ | |
| 6481 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6482 return 0; | |
| 6483 | |
| 6484 /* | |
| 6485 * Rename() failed, try copying the file. | |
| 6486 */ | |
| 194 | 6487 perm = mch_getperm(from); |
| 199 | 6488 #ifdef HAVE_ACL |
| 6489 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6490 acl = mch_get_acl(from); | |
| 6491 #endif | |
| 7 | 6492 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6493 if (fd_in == -1) | |
| 1651 | 6494 { |
| 6495 #ifdef HAVE_ACL | |
| 6496 mch_free_acl(acl); | |
| 6497 #endif | |
| 7 | 6498 return -1; |
| 1651 | 6499 } |
| 194 | 6500 |
| 6501 /* Create the new file with same permissions as the original. */ | |
| 557 | 6502 fd_out = mch_open((char *)to, |
| 6503 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6504 if (fd_out == -1) |
| 6505 { | |
| 6506 close(fd_in); | |
| 1651 | 6507 #ifdef HAVE_ACL |
| 6508 mch_free_acl(acl); | |
| 6509 #endif | |
| 7 | 6510 return -1; |
| 6511 } | |
| 6512 | |
| 6513 buffer = (char *)alloc(BUFSIZE); | |
| 6514 if (buffer == NULL) | |
| 6515 { | |
| 1651 | 6516 close(fd_out); |
| 7 | 6517 close(fd_in); |
| 1651 | 6518 #ifdef HAVE_ACL |
| 6519 mch_free_acl(acl); | |
| 6520 #endif | |
| 7 | 6521 return -1; |
| 6522 } | |
| 6523 | |
| 6524 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0) | |
| 6525 if (vim_write(fd_out, buffer, n) != n) | |
| 6526 { | |
| 6527 errmsg = _("E208: Error writing to \"%s\""); | |
| 6528 break; | |
| 6529 } | |
| 6530 | |
| 6531 vim_free(buffer); | |
| 6532 close(fd_in); | |
| 6533 if (close(fd_out) < 0) | |
| 6534 errmsg = _("E209: Error closing \"%s\""); | |
| 6535 if (n < 0) | |
| 6536 { | |
| 6537 errmsg = _("E210: Error reading \"%s\""); | |
| 6538 to = from; | |
| 6539 } | |
| 1201 | 6540 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6541 mch_setperm(to, perm); |
| 570 | 6542 #endif |
| 199 | 6543 #ifdef HAVE_ACL |
| 6544 mch_set_acl(to, acl); | |
| 1651 | 6545 mch_free_acl(acl); |
| 199 | 6546 #endif |
| 7 | 6547 if (errmsg != NULL) |
| 6548 { | |
| 6549 EMSG2(errmsg, to); | |
| 6550 return -1; | |
| 6551 } | |
| 6552 mch_remove(from); | |
| 6553 return 0; | |
| 6554 } | |
| 6555 | |
| 6556 static int already_warned = FALSE; | |
| 6557 | |
| 6558 /* | |
| 6559 * Check if any not hidden buffer has been changed. | |
| 6560 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6561 * command is being executed, a mapping is being executed or an autocommand is | |
| 6562 * busy. | |
| 6563 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6564 * cursor positioned). | |
| 6565 */ | |
| 6566 int | |
| 6567 check_timestamps(focus) | |
| 6568 int focus; /* called for GUI focus event */ | |
| 6569 { | |
| 6570 buf_T *buf; | |
| 6571 int didit = 0; | |
| 6572 int n; | |
| 6573 | |
| 6574 /* Don't check timestamps while system() or another low-level function may | |
| 6575 * cause us to lose and gain focus. */ | |
| 6576 if (no_check_timestamps > 0) | |
| 6577 return FALSE; | |
| 6578 | |
| 6579 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6580 * event and we would keep on checking if the file is steadily growing. | |
| 6581 * Do check again after typing something. */ | |
| 6582 if (focus && did_check_timestamps) | |
| 6583 { | |
| 6584 need_check_timestamps = TRUE; | |
| 6585 return FALSE; | |
| 6586 } | |
| 6587 | |
| 6588 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6589 #ifdef FEAT_AUTOCMD | |
| 1834 | 6590 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6591 #endif |
| 6592 ) | |
| 6593 need_check_timestamps = TRUE; /* check later */ | |
| 6594 else | |
| 6595 { | |
| 6596 ++no_wait_return; | |
| 6597 did_check_timestamps = TRUE; | |
| 6598 already_warned = FALSE; | |
| 6599 for (buf = firstbuf; buf != NULL; ) | |
| 6600 { | |
| 6601 /* Only check buffers in a window. */ | |
| 6602 if (buf->b_nwindows > 0) | |
| 6603 { | |
| 6604 n = buf_check_timestamp(buf, focus); | |
| 6605 if (didit < n) | |
| 6606 didit = n; | |
| 6607 if (n > 0 && !buf_valid(buf)) | |
| 6608 { | |
| 6609 /* Autocommands have removed the buffer, start at the | |
| 6610 * first one again. */ | |
| 6611 buf = firstbuf; | |
| 6612 continue; | |
| 6613 } | |
| 6614 } | |
| 6615 buf = buf->b_next; | |
| 6616 } | |
| 6617 --no_wait_return; | |
| 6618 need_check_timestamps = FALSE; | |
| 6619 if (need_wait_return && didit == 2) | |
| 6620 { | |
| 6621 /* make sure msg isn't overwritten */ | |
| 6622 msg_puts((char_u *)"\n"); | |
| 6623 out_flush(); | |
| 6624 } | |
| 6625 } | |
| 6626 return didit; | |
| 6627 } | |
| 6628 | |
| 6629 /* | |
| 6630 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6631 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6632 * empty. | |
| 6633 */ | |
| 6634 static int | |
| 6635 move_lines(frombuf, tobuf) | |
| 6636 buf_T *frombuf; | |
| 6637 buf_T *tobuf; | |
| 6638 { | |
| 6639 buf_T *tbuf = curbuf; | |
| 6640 int retval = OK; | |
| 6641 linenr_T lnum; | |
| 6642 char_u *p; | |
| 6643 | |
| 6644 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6645 curbuf = tobuf; | |
| 6646 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6647 { | |
| 6648 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6649 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6650 { | |
| 6651 vim_free(p); | |
| 6652 retval = FAIL; | |
| 6653 break; | |
| 6654 } | |
| 6655 vim_free(p); | |
| 6656 } | |
| 6657 | |
| 6658 /* Delete all the lines in "frombuf". */ | |
| 6659 if (retval != FAIL) | |
| 6660 { | |
| 6661 curbuf = frombuf; | |
| 1055 | 6662 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6663 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6664 { |
| 6665 /* Oops! We could try putting back the saved lines, but that | |
| 6666 * might fail again... */ | |
| 6667 retval = FAIL; | |
| 6668 break; | |
| 6669 } | |
| 6670 } | |
| 6671 | |
| 6672 curbuf = tbuf; | |
| 6673 return retval; | |
| 6674 } | |
| 6675 | |
| 6676 /* | |
| 6677 * Check if buffer "buf" has been changed. | |
| 6678 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6679 * return 1 if a changed buffer was found. | |
| 6680 * return 2 if a message has been displayed. | |
| 6681 * return 0 otherwise. | |
| 6682 */ | |
| 6683 int | |
| 6684 buf_check_timestamp(buf, focus) | |
| 6685 buf_T *buf; | |
| 1877 | 6686 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6687 { |
| 6688 struct stat st; | |
| 6689 int stat_res; | |
| 6690 int retval = 0; | |
| 6691 char_u *path; | |
| 6692 char_u *tbuf; | |
| 6693 char *mesg = NULL; | |
| 188 | 6694 char *mesg2 = ""; |
| 7 | 6695 int helpmesg = FALSE; |
| 6696 int reload = FALSE; | |
| 6697 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6698 int can_reload = FALSE; | |
| 6699 #endif | |
| 6700 size_t orig_size = buf->b_orig_size; | |
| 6701 int orig_mode = buf->b_orig_mode; | |
| 6702 #ifdef FEAT_GUI | |
| 6703 int save_mouse_correct = need_mouse_correct; | |
| 6704 #endif | |
| 6705 #ifdef FEAT_AUTOCMD | |
| 6706 static int busy = FALSE; | |
| 179 | 6707 int n; |
| 6708 char_u *s; | |
| 6709 #endif | |
| 6710 char *reason; | |
| 7 | 6711 |
| 6712 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6713 * set, we are in the middle of a save or being called recursively: ignore | |
| 6714 * this buffer. */ | |
| 6715 if (buf->b_ffname == NULL | |
| 6716 || buf->b_ml.ml_mfp == NULL | |
| 6717 #if defined(FEAT_QUICKFIX) | |
| 6718 || *buf->b_p_bt != NUL | |
| 6719 #endif | |
| 6720 || buf->b_saving | |
| 6721 #ifdef FEAT_AUTOCMD | |
| 6722 || busy | |
| 6723 #endif | |
| 33 | 6724 #ifdef FEAT_NETBEANS_INTG |
| 6725 || isNetbeansBuffer(buf) | |
| 6726 #endif | |
| 7 | 6727 ) |
| 6728 return 0; | |
| 6729 | |
| 6730 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6731 && buf->b_mtime != 0 | |
| 6732 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6733 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6734 #ifdef HAVE_ST_MODE | |
| 6735 || (int)st.st_mode != buf->b_orig_mode | |
| 6736 #else | |
| 6737 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6738 #endif | |
| 6739 )) | |
| 6740 { | |
| 6741 retval = 1; | |
| 6742 | |
| 628 | 6743 /* set b_mtime to stop further warnings (e.g., when executing |
| 6744 * FileChangedShell autocmd) */ | |
| 7 | 6745 if (stat_res < 0) |
| 6746 { | |
| 6747 buf->b_mtime = 0; | |
| 6748 buf->b_orig_size = 0; | |
| 6749 buf->b_orig_mode = 0; | |
| 6750 } | |
| 6751 else | |
| 6752 buf_store_time(buf, &st, buf->b_ffname); | |
| 6753 | |
| 6754 /* Don't do anything for a directory. Might contain the file | |
| 6755 * explorer. */ | |
| 6756 if (mch_isdir(buf->b_fname)) | |
| 6757 ; | |
| 6758 | |
| 6759 /* | |
| 6760 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6761 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6762 * was set, the global option value otherwise. | |
| 6763 */ | |
| 6764 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6765 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6766 reload = TRUE; | |
| 6767 else | |
| 6768 { | |
| 179 | 6769 if (stat_res < 0) |
| 6770 reason = "deleted"; | |
| 6771 else if (bufIsChanged(buf)) | |
| 6772 reason = "conflict"; | |
| 6773 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6774 reason = "changed"; | |
| 6775 else if (orig_mode != buf->b_orig_mode) | |
| 6776 reason = "mode"; | |
| 6777 else | |
| 6778 reason = "time"; | |
| 6779 | |
| 7 | 6780 #ifdef FEAT_AUTOCMD |
| 6781 /* | |
| 6782 * Only give the warning if there are no FileChangedShell | |
| 6783 * autocommands. | |
| 6784 * Avoid being called recursively by setting "busy". | |
| 6785 */ | |
| 6786 busy = TRUE; | |
| 532 | 6787 # ifdef FEAT_EVAL |
| 179 | 6788 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6789 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6790 # endif |
| 1834 | 6791 ++allbuf_lock; |
| 7 | 6792 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6793 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6794 --allbuf_lock; |
| 7 | 6795 busy = FALSE; |
| 6796 if (n) | |
| 6797 { | |
| 6798 if (!buf_valid(buf)) | |
| 6799 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6800 # ifdef FEAT_EVAL |
| 179 | 6801 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6802 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6803 reload = TRUE; | |
| 6804 else if (STRCMP(s, "ask") == 0) | |
| 6805 n = FALSE; | |
| 6806 else | |
| 532 | 6807 # endif |
| 179 | 6808 return 2; |
| 7 | 6809 } |
| 179 | 6810 if (!n) |
| 7 | 6811 #endif |
| 6812 { | |
| 179 | 6813 if (*reason == 'd') |
| 6814 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6815 else |
| 6816 { | |
| 6817 helpmesg = TRUE; | |
| 6818 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6819 can_reload = TRUE; | |
| 6820 #endif | |
| 6821 /* | |
| 6822 * Check if the file contents really changed to avoid | |
| 6823 * giving a warning when only the timestamp was set (e.g., | |
| 6824 * checked out of CVS). Always warn when the buffer was | |
| 6825 * changed. | |
| 6826 */ | |
| 179 | 6827 if (reason[2] == 'n') |
| 6828 { | |
| 7 | 6829 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6830 mesg2 = _("See \":help W12\" for more info."); |
| 6831 } | |
| 6832 else if (reason[1] == 'h') | |
| 6833 { | |
| 7 | 6834 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6835 mesg2 = _("See \":help W11\" for more info."); |
| 6836 } | |
| 6837 else if (*reason == 'm') | |
| 6838 { | |
| 7 | 6839 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6840 mesg2 = _("See \":help W16\" for more info."); |
| 6841 } | |
| 1913 | 6842 else |
| 6843 /* Only timestamp changed, store it to avoid a warning | |
| 6844 * in check_mtime() later. */ | |
| 6845 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 6846 } |
| 6847 } | |
| 6848 } | |
| 6849 | |
| 6850 } | |
| 6851 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 6852 && vim_fexists(buf->b_ffname)) | |
| 6853 { | |
| 6854 retval = 1; | |
| 6855 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 6856 buf->b_flags |= BF_NEW_W; | |
| 6857 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6858 can_reload = TRUE; | |
| 6859 #endif | |
| 6860 } | |
| 6861 | |
| 6862 if (mesg != NULL) | |
| 6863 { | |
| 6864 path = home_replace_save(buf, buf->b_fname); | |
| 6865 if (path != NULL) | |
| 6866 { | |
| 179 | 6867 if (!helpmesg) |
| 7 | 6868 mesg2 = ""; |
| 6869 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 6870 + STRLEN(mesg2) + 2)); | |
| 6871 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 6872 #ifdef FEAT_EVAL |
| 6873 /* Set warningmsg here, before the unimportant and output-specific | |
| 6874 * mesg2 has been appended. */ | |
| 6875 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 6876 #endif | |
| 7 | 6877 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 6878 if (can_reload) | |
| 6879 { | |
| 6880 if (*mesg2 != NUL) | |
| 6881 { | |
| 6882 STRCAT(tbuf, "\n"); | |
| 6883 STRCAT(tbuf, mesg2); | |
| 6884 } | |
| 6885 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 6886 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2) | |
| 6887 reload = TRUE; | |
| 6888 } | |
| 6889 else | |
| 6890 #endif | |
| 6891 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 6892 { | |
| 6893 if (*mesg2 != NUL) | |
| 6894 { | |
| 6895 STRCAT(tbuf, "; "); | |
| 6896 STRCAT(tbuf, mesg2); | |
| 6897 } | |
| 6898 EMSG(tbuf); | |
| 6899 retval = 2; | |
| 6900 } | |
| 6901 else | |
| 6902 { | |
| 8 | 6903 # ifdef FEAT_AUTOCMD |
| 7 | 6904 if (!autocmd_busy) |
| 8 | 6905 # endif |
| 7 | 6906 { |
| 6907 msg_start(); | |
| 6908 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 6909 if (*mesg2 != NUL) | |
| 6910 msg_puts_attr((char_u *)mesg2, | |
| 6911 hl_attr(HLF_W) + MSG_HIST); | |
| 6912 msg_clr_eos(); | |
| 6913 (void)msg_end(); | |
| 6914 if (emsg_silent == 0) | |
| 6915 { | |
| 6916 out_flush(); | |
| 8 | 6917 # ifdef FEAT_GUI |
| 7 | 6918 if (!focus) |
| 8 | 6919 # endif |
| 7 | 6920 /* give the user some time to think about it */ |
| 6921 ui_delay(1000L, TRUE); | |
| 6922 | |
| 6923 /* don't redraw and erase the message */ | |
| 6924 redraw_cmdline = FALSE; | |
| 6925 } | |
| 6926 } | |
| 6927 already_warned = TRUE; | |
| 6928 } | |
| 6929 | |
| 6930 vim_free(path); | |
| 6931 vim_free(tbuf); | |
| 6932 } | |
| 6933 } | |
| 6934 | |
| 6935 if (reload) | |
| 311 | 6936 /* Reload the buffer. */ |
| 628 | 6937 buf_reload(buf, orig_mode); |
| 7 | 6938 |
| 765 | 6939 #ifdef FEAT_AUTOCMD |
| 1620 | 6940 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 6941 if (buf_valid(buf) && retval != 0) | |
| 765 | 6942 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 6943 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 6944 #endif | |
| 7 | 6945 #ifdef FEAT_GUI |
| 6946 /* restore this in case an autocommand has set it; it would break | |
| 6947 * 'mousefocus' */ | |
| 6948 need_mouse_correct = save_mouse_correct; | |
| 6949 #endif | |
| 6950 | |
| 6951 return retval; | |
| 6952 } | |
| 6953 | |
| 311 | 6954 /* |
| 6955 * Reload a buffer that is already loaded. | |
| 6956 * Used when the file was changed outside of Vim. | |
| 628 | 6957 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 6958 * buf->b_orig_mode may have been reset already. | |
| 311 | 6959 */ |
| 6960 void | |
| 628 | 6961 buf_reload(buf, orig_mode) |
| 311 | 6962 buf_T *buf; |
| 628 | 6963 int orig_mode; |
| 311 | 6964 { |
| 6965 exarg_T ea; | |
| 6966 pos_T old_cursor; | |
| 6967 linenr_T old_topline; | |
| 6968 int old_ro = buf->b_p_ro; | |
| 6969 buf_T *savebuf; | |
| 6970 int saved = OK; | |
| 6971 aco_save_T aco; | |
| 6972 | |
| 6973 /* set curwin/curbuf for "buf" and save some things */ | |
| 6974 aucmd_prepbuf(&aco, buf); | |
| 6975 | |
| 6976 /* We only want to read the text from the file, not reset the syntax | |
| 6977 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 6978 * and encoding to be the same. */ | |
| 6979 if (prep_exarg(&ea, buf) == OK) | |
| 6980 { | |
| 6981 old_cursor = curwin->w_cursor; | |
| 6982 old_topline = curwin->w_topline; | |
| 6983 | |
| 6984 /* | |
| 6985 * To behave like when a new file is edited (matters for | |
| 6986 * BufReadPost autocommands) we first need to delete the current | |
| 6987 * buffer contents. But if reading the file fails we should keep | |
| 6988 * the old contents. Can't use memory only, the file might be | |
| 6989 * too big. Use a hidden buffer to move the buffer contents to. | |
| 6990 */ | |
| 6991 if (bufempty()) | |
| 6992 savebuf = NULL; | |
| 6993 else | |
| 6994 { | |
| 6995 /* Allocate a buffer without putting it in the buffer list. */ | |
| 6996 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 6997 if (savebuf != NULL && buf == curbuf) |
| 311 | 6998 { |
| 6999 /* Open the memline. */ | |
| 7000 curbuf = savebuf; | |
| 7001 curwin->w_buffer = savebuf; | |
| 625 | 7002 saved = ml_open(curbuf); |
| 311 | 7003 curbuf = buf; |
| 7004 curwin->w_buffer = buf; | |
| 7005 } | |
| 837 | 7006 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 7007 || move_lines(buf, savebuf) == FAIL) |
| 7008 { | |
| 7009 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 7010 buf->b_fname); | |
| 7011 saved = FAIL; | |
| 7012 } | |
| 7013 } | |
| 7014 | |
| 7015 if (saved == OK) | |
| 7016 { | |
| 7017 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 7018 #ifdef FEAT_AUTOCMD | |
| 7019 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 7020 #endif | |
| 7021 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 7022 (linenr_T)0, | |
| 7023 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL) | |
| 7024 { | |
| 7025 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 7026 if (!aborting()) | |
| 7027 #endif | |
| 7028 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 7029 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 7030 { |
| 7031 /* Put the text back from the save buffer. First | |
| 7032 * delete any lines that readfile() added. */ | |
| 7033 while (!bufempty()) | |
| 837 | 7034 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 7035 break; |
| 7036 (void)move_lines(savebuf, buf); | |
| 7037 } | |
| 7038 } | |
| 837 | 7039 else if (buf == curbuf) |
| 311 | 7040 { |
| 7041 /* Mark the buffer as unmodified and free undo info. */ | |
| 7042 unchanged(buf, TRUE); | |
| 7043 u_blockfree(buf); | |
| 7044 u_clearall(buf); | |
| 7045 } | |
| 7046 } | |
| 7047 vim_free(ea.cmd); | |
| 7048 | |
| 837 | 7049 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 7050 wipe_buffer(savebuf, FALSE); |
| 7051 | |
| 7052 #ifdef FEAT_DIFF | |
| 7053 /* Invalidate diff info if necessary. */ | |
| 837 | 7054 diff_invalidate(curbuf); |
| 311 | 7055 #endif |
| 7056 | |
| 7057 /* Restore the topline and cursor position and check it (lines may | |
| 7058 * have been removed). */ | |
| 7059 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 7060 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 7061 else | |
| 7062 curwin->w_topline = old_topline; | |
| 7063 curwin->w_cursor = old_cursor; | |
| 7064 check_cursor(); | |
| 7065 update_topline(); | |
| 7066 #ifdef FEAT_AUTOCMD | |
| 7067 keep_filetype = FALSE; | |
| 7068 #endif | |
| 7069 #ifdef FEAT_FOLDING | |
| 7070 { | |
| 1863 | 7071 win_T *wp; |
| 7072 tabpage_T *tp; | |
| 311 | 7073 |
| 7074 /* Update folds unless they are defined manually. */ | |
| 1863 | 7075 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 7076 if (wp->w_buffer == curwin->w_buffer |
| 7077 && !foldmethodIsManual(wp)) | |
| 7078 foldUpdateAll(wp); | |
| 7079 } | |
| 7080 #endif | |
| 7081 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 7082 * value; the user probably used the ":view" command. But don't | |
| 7083 * reset it, might have had a read error. */ | |
| 7084 if (orig_mode == curbuf->b_orig_mode) | |
| 7085 curbuf->b_p_ro |= old_ro; | |
| 7086 } | |
| 7087 | |
| 7088 /* restore curwin/curbuf and a few other things */ | |
| 7089 aucmd_restbuf(&aco); | |
| 7090 /* Careful: autocommands may have made "buf" invalid! */ | |
| 7091 } | |
| 7092 | |
| 7 | 7093 void |
| 7094 buf_store_time(buf, st, fname) | |
| 7095 buf_T *buf; | |
| 7096 struct stat *st; | |
| 1877 | 7097 char_u *fname UNUSED; |
| 7 | 7098 { |
| 7099 buf->b_mtime = (long)st->st_mtime; | |
| 7100 buf->b_orig_size = (size_t)st->st_size; | |
| 7101 #ifdef HAVE_ST_MODE | |
| 7102 buf->b_orig_mode = (int)st->st_mode; | |
| 7103 #else | |
| 7104 buf->b_orig_mode = mch_getperm(fname); | |
| 7105 #endif | |
| 7106 } | |
| 7107 | |
| 7108 /* | |
| 7109 * Adjust the line with missing eol, used for the next write. | |
| 7110 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 7111 */ | |
| 7112 void | |
| 7113 write_lnum_adjust(offset) | |
| 7114 linenr_T offset; | |
| 7115 { | |
| 167 | 7116 if (write_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7 | 7117 write_no_eol_lnum += offset; |
| 7118 } | |
| 7119 | |
| 7120 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 7121 static long temp_count = 0; /* Temp filename counter. */ | |
| 7122 | |
| 7123 /* | |
| 7124 * Delete the temp directory and all files it contains. | |
| 7125 */ | |
| 7126 void | |
| 7127 vim_deltempdir() | |
| 7128 { | |
| 7129 char_u **files; | |
| 7130 int file_count; | |
| 7131 int i; | |
| 7132 | |
| 7133 if (vim_tempdir != NULL) | |
| 7134 { | |
| 7135 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 7136 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 7137 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 7138 { | |
| 7139 for (i = 0; i < file_count; ++i) | |
| 7140 mch_remove(files[i]); | |
| 7141 FreeWild(file_count, files); | |
| 7142 } | |
| 7143 gettail(NameBuff)[-1] = NUL; | |
| 7144 (void)mch_rmdir(NameBuff); | |
| 7145 | |
| 7146 vim_free(vim_tempdir); | |
| 7147 vim_tempdir = NULL; | |
| 7148 } | |
| 7149 } | |
| 7150 #endif | |
| 7151 | |
| 2006 | 7152 #ifdef TEMPDIRNAMES |
| 7 | 7153 /* |
| 1997 | 7154 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7155 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7156 * "tempdir" must be no longer than MAXPATHL. | |
| 7157 */ | |
| 7158 static void | |
| 7159 vim_settempdir(tempdir) | |
| 7160 char_u *tempdir; | |
| 7161 { | |
| 7162 char_u *buf; | |
| 7163 | |
| 7164 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7165 if (buf != NULL) | |
| 7166 { | |
| 7167 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7168 STRCPY(buf, tempdir); | |
| 7169 # ifdef __EMX__ | |
| 7170 if (vim_strchr(buf, '/') != NULL) | |
| 7171 STRCAT(buf, "/"); | |
| 7172 else | |
| 7173 # endif | |
| 7174 add_pathsep(buf); | |
| 7175 vim_tempdir = vim_strsave(buf); | |
| 7176 vim_free(buf); | |
| 7177 } | |
| 7178 } | |
| 2006 | 7179 #endif |
| 1997 | 7180 |
| 7181 /* | |
| 7 | 7182 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7183 * | |
| 7184 * The temp file is NOT created. | |
| 7185 * | |
| 7186 * The returned pointer is to allocated memory. | |
| 7187 * The returned pointer is NULL if no valid name was found. | |
| 7188 */ | |
| 7189 char_u * | |
| 7190 vim_tempname(extra_char) | |
| 1877 | 7191 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7192 { |
| 7193 #ifdef USE_TMPNAM | |
| 7194 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7195 #else | |
| 7196 char_u itmp[TEMPNAMELEN]; | |
| 7197 #endif | |
| 7198 | |
| 7199 #ifdef TEMPDIRNAMES | |
| 7200 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7201 int i; | |
| 7202 # ifndef EEXIST | |
| 7203 struct stat st; | |
| 7204 # endif | |
| 7205 | |
| 7206 /* | |
| 7207 * This will create a directory for private use by this instance of Vim. | |
| 7208 * This is done once, and the same directory is used for all temp files. | |
| 7209 * This method avoids security problems because of symlink attacks et al. | |
| 7210 * It's also a bit faster, because we only need to check for an existing | |
| 7211 * file when creating the directory and not for each temp file. | |
| 7212 */ | |
| 7213 if (vim_tempdir == NULL) | |
| 7214 { | |
| 7215 /* | |
| 7216 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7217 */ | |
| 1877 | 7218 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7219 { |
|
2047
85da03763130
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Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7220 # ifndef HAVE_MKDTEMP |
| 1997 | 7221 size_t itmplen; |
| 7222 long nr; | |
| 7223 long off; | |
| 7224 # endif | |
| 7225 | |
| 7 | 7226 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7227 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7228 if (mch_isdir(itmp)) /* directory exists */ | |
| 7229 { | |
| 7230 # ifdef __EMX__ | |
| 7231 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7232 * tcsh), don't add a backslash, use a forward slash! | |
| 7233 * Adding 2 backslashes didn't work. */ | |
| 7234 if (vim_strchr(itmp, '/') != NULL) | |
| 7235 STRCAT(itmp, "/"); | |
| 7236 else | |
| 7237 # endif | |
| 7238 add_pathsep(itmp); | |
| 1997 | 7239 |
| 7240 # ifdef HAVE_MKDTEMP | |
| 7241 /* Leave room for filename */ | |
| 7242 STRCAT(itmp, "vXXXXXX"); | |
| 7243 if (mkdtemp((char *)itmp) != NULL) | |
| 7244 vim_settempdir(itmp); | |
| 7245 # else | |
| 7 | 7246 /* Get an arbitrary number of up to 6 digits. When it's |
| 7247 * unlikely that it already exists it will be faster, | |
| 7248 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7249 * security problems because of the predictable number. */ | |
| 7250 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
|
7251 itmplen = STRLEN(itmp); |
| 7 | 7252 |
| 7253 /* Try up to 10000 different values until we find a name that | |
| 7254 * doesn't exist. */ | |
| 7255 for (off = 0; off < 10000L; ++off) | |
| 7256 { | |
| 7257 int r; | |
| 1997 | 7258 # if defined(UNIX) || defined(VMS) |
| 7 | 7259 mode_t umask_save; |
| 1997 | 7260 # endif |
| 7261 | |
| 7262 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7263 # ifndef EEXIST | |
| 7 | 7264 /* If mkdir() does not set errno to EEXIST, check for |
| 7265 * existing file here. There is a race condition then, | |
| 7266 * although it's fail-safe. */ | |
| 7267 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7268 continue; | |
| 1997 | 7269 # endif |
| 7270 # if defined(UNIX) || defined(VMS) | |
| 7 | 7271 /* Make sure the umask doesn't remove the executable bit. |
| 7272 * "repl" has been reported to use "177". */ | |
| 7273 umask_save = umask(077); | |
| 1997 | 7274 # endif |
| 7 | 7275 r = vim_mkdir(itmp, 0700); |
| 1997 | 7276 # if defined(UNIX) || defined(VMS) |
| 7 | 7277 (void)umask(umask_save); |
| 1997 | 7278 # endif |
| 7 | 7279 if (r == 0) |
| 7280 { | |
| 1997 | 7281 vim_settempdir(itmp); |
| 7 | 7282 break; |
| 7283 } | |
| 1997 | 7284 # ifdef EEXIST |
| 7 | 7285 /* If the mkdir() didn't fail because the file/dir exists, |
| 7286 * we probably can't create any dir here, try another | |
| 7287 * place. */ | |
| 7288 if (errno != EEXIST) | |
| 1997 | 7289 # endif |
| 7 | 7290 break; |
| 7291 } | |
| 1997 | 7292 # endif /* HAVE_MKDTEMP */ |
| 7 | 7293 if (vim_tempdir != NULL) |
| 7294 break; | |
| 7295 } | |
| 7296 } | |
| 7297 } | |
| 7298 | |
| 7299 if (vim_tempdir != NULL) | |
| 7300 { | |
| 7301 /* There is no need to check if the file exists, because we own the | |
| 7302 * directory and nobody else creates a file in it. */ | |
| 7303 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7304 return vim_strsave(itmp); | |
| 7305 } | |
| 7306 | |
| 7307 return NULL; | |
| 7308 | |
| 7309 #else /* TEMPDIRNAMES */ | |
| 7310 | |
| 7311 # ifdef WIN3264 | |
| 7312 char szTempFile[_MAX_PATH + 1]; | |
| 7313 char buf4[4]; | |
| 7314 char_u *retval; | |
| 7315 char_u *p; | |
| 7316 | |
| 7317 STRCPY(itmp, ""); | |
| 7318 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 7319 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */ | |
| 7320 strcpy(buf4, "VIM"); | |
| 7321 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7322 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7323 return NULL; | |
| 7324 /* GetTempFileName() will create the file, we don't want that */ | |
| 7325 (void)DeleteFile(itmp); | |
| 7326 | |
| 7327 /* Backslashes in a temp file name cause problems when filtering with | |
| 7328 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7329 * didn't set 'shellslash'. */ | |
| 7330 retval = vim_strsave(itmp); | |
| 7331 if (*p_shcf == '-' || p_ssl) | |
| 7332 for (p = retval; *p; ++p) | |
| 7333 if (*p == '\\') | |
| 7334 *p = '/'; | |
| 7335 return retval; | |
| 7336 | |
| 7337 # else /* WIN3264 */ | |
| 7338 | |
| 7339 # ifdef USE_TMPNAM | |
| 7340 /* tmpnam() will make its own name */ | |
| 7341 if (*tmpnam((char *)itmp) == NUL) | |
| 7342 return NULL; | |
| 7343 # else | |
| 7344 char_u *p; | |
| 7345 | |
| 7346 # ifdef VMS_TEMPNAM | |
| 7347 /* mktemp() is not working on VMS. It seems to be | |
| 7348 * a do-nothing function. Therefore we use tempnam(). | |
| 7349 */ | |
| 7350 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7351 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7352 if (p != NULL) | |
| 7353 { | |
| 7354 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7355 * and VIM will then be unable to find the file later */ | |
| 7356 STRCPY(itmp, p); | |
| 7357 STRCAT(itmp, ".txt"); | |
| 7358 free(p); | |
| 7359 } | |
| 7360 else | |
| 7361 return NULL; | |
| 7362 # else | |
| 7363 STRCPY(itmp, TEMPNAME); | |
| 7364 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7365 *p = extra_char; | |
| 7366 if (mktemp((char *)itmp) == NULL) | |
| 7367 return NULL; | |
| 7368 # endif | |
| 7369 # endif | |
| 7370 | |
| 7371 return vim_strsave(itmp); | |
| 7372 # endif /* WIN3264 */ | |
| 7373 #endif /* TEMPDIRNAMES */ | |
| 7374 } | |
| 7375 | |
| 7376 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7377 /* | |
| 7378 * Convert all backslashes in fname to forward slashes in-place. | |
| 7379 */ | |
| 7380 void | |
| 7381 forward_slash(fname) | |
| 7382 char_u *fname; | |
| 7383 { | |
| 7384 char_u *p; | |
| 7385 | |
| 7386 for (p = fname; *p != NUL; ++p) | |
| 7387 # ifdef FEAT_MBYTE | |
| 7388 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7389 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7390 ++p; |
| 7391 else | |
| 7392 # endif | |
| 7393 if (*p == '\\') | |
| 7394 *p = '/'; | |
| 7395 } | |
| 7396 #endif | |
| 7397 | |
| 7398 | |
| 7399 /* | |
| 7400 * Code for automatic commands. | |
| 7401 * | |
| 7402 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7403 */ | |
| 7404 | |
| 7405 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7406 | |
| 7407 /* | |
| 7408 * The autocommands are stored in a list for each event. | |
| 7409 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7410 * together, to avoid having to match the pattern too often. | |
| 7411 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7412 * | |
| 7413 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7414 * Autopat.cmds Autopat.cmds | |
| 7415 * | | | |
| 7416 * V V | |
| 7417 * AutoCmd.next AutoCmd.next | |
| 7418 * | | | |
| 7419 * V V | |
| 7420 * AutoCmd.next NULL | |
| 7421 * | | |
| 7422 * V | |
| 7423 * NULL | |
| 7424 * | |
| 7425 * first_autopat[1] --> Autopat.next --> NULL | |
| 7426 * Autopat.cmds | |
| 7427 * | | |
| 7428 * V | |
| 7429 * AutoCmd.next | |
| 7430 * | | |
| 7431 * V | |
| 7432 * NULL | |
| 7433 * etc. | |
| 7434 * | |
| 7435 * The order of AutoCmds is important, this is the order in which they were | |
| 7436 * defined and will have to be executed. | |
| 7437 */ | |
| 7438 typedef struct AutoCmd | |
| 7439 { | |
| 7440 char_u *cmd; /* The command to be executed (NULL | |
| 7441 when command has been removed) */ | |
| 7442 char nested; /* If autocommands nest here */ | |
| 7443 char last; /* last command in list */ | |
| 7444 #ifdef FEAT_EVAL | |
| 7445 scid_T scriptID; /* script ID where defined */ | |
| 7446 #endif | |
| 7447 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7448 } AutoCmd; | |
| 7449 | |
| 7450 typedef struct AutoPat | |
| 7451 { | |
| 7452 int group; /* group ID */ | |
| 7453 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7454 has been removed) */ | |
| 7455 int patlen; /* strlen() of pat */ | |
| 153 | 7456 regprog_T *reg_prog; /* compiled regprog for pattern */ |
| 7 | 7457 char allow_dirs; /* Pattern may match whole path */ |
| 7458 char last; /* last pattern for apply_autocmds() */ | |
| 7459 AutoCmd *cmds; /* list of commands to do */ | |
| 7460 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
| 40 | 7461 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7462 } AutoPat; |
| 7463 | |
| 7464 static struct event_name | |
| 7465 { | |
| 7466 char *name; /* event name */ | |
| 661 | 7467 event_T event; /* event number */ |
| 7 | 7468 } event_names[] = |
| 7469 { | |
| 7470 {"BufAdd", EVENT_BUFADD}, | |
| 7471 {"BufCreate", EVENT_BUFADD}, | |
| 7472 {"BufDelete", EVENT_BUFDELETE}, | |
| 7473 {"BufEnter", EVENT_BUFENTER}, | |
| 7474 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7475 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7476 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7477 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7478 {"BufNew", EVENT_BUFNEW}, | |
| 7479 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7480 {"BufRead", EVENT_BUFREADPOST}, | |
| 7481 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7482 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7483 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7484 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7485 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7486 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7487 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7488 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7489 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7490 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7491 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7492 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7493 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7494 {"ColorScheme", EVENT_COLORSCHEME}, |
| 661 | 7495 {"CursorHold", EVENT_CURSORHOLD}, |
| 7496 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7497 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7498 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7499 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7500 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7501 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7502 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7503 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7504 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7505 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7506 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7507 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7508 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7509 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7510 {"FileType", EVENT_FILETYPE}, | |
| 7511 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7512 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7513 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7514 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7515 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7516 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7517 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7518 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7519 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7520 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7521 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7522 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7523 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7524 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7525 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 434 | 7526 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7527 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7528 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 7 | 7529 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7530 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7531 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7532 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7533 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7534 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7535 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7536 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7537 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7538 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7539 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7540 {"TabEnter", EVENT_TABENTER}, |
| 7541 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7542 {"TermChanged", EVENT_TERMCHANGED}, |
| 7543 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 7544 {"User", EVENT_USER}, | |
| 7545 {"VimEnter", EVENT_VIMENTER}, | |
| 7546 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7547 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7548 {"WinEnter", EVENT_WINENTER}, | |
| 7549 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7550 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7551 {NULL, (event_T)0} |
| 7 | 7552 }; |
| 7553 | |
| 7554 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7555 { | |
| 7556 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7557 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7558 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7559 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7560 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7561 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7562 }; |
| 7563 | |
| 7564 /* | |
| 7565 * struct used to keep status while executing autocommands for an event. | |
| 7566 */ | |
| 7567 typedef struct AutoPatCmd | |
| 7568 { | |
| 7569 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7570 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7571 int group; /* group being used */ | |
| 7572 char_u *fname; /* fname to match with */ | |
| 7573 char_u *sfname; /* sfname to match with */ | |
| 7574 char_u *tail; /* tail of fname */ | |
| 661 | 7575 event_T event; /* current event */ |
| 40 | 7576 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7577 buf is deleted */ | |
| 7578 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7579 } AutoPatCmd; |
| 7580 | |
| 297 | 7581 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7582 |
| 7 | 7583 /* |
| 7584 * augroups stores a list of autocmd group names. | |
| 7585 */ | |
| 297 | 7586 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7587 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7588 | |
| 7589 /* | |
| 7590 * The ID of the current group. Group 0 is the default one. | |
| 7591 */ | |
| 7592 static int current_augroup = AUGROUP_DEFAULT; | |
| 7593 | |
| 7594 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7595 | |
| 661 | 7596 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7597 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7598 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7599 static void au_cleanup __ARGS((void)); | |
| 7600 static int au_new_group __ARGS((char_u *name)); | |
| 7601 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7602 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7603 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7604 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7605 static int event_ignored __ARGS((event_T event)); |
| 7 | 7606 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7607 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7 | 7608 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
| 661 | 7609 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 | 7610 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7611 | |
| 40 | 7612 |
| 661 | 7613 static event_T last_event; |
| 7 | 7614 static int last_group; |
| 1410 | 7615 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7616 |
| 7617 /* | |
| 7618 * Show the autocommands for one AutoPat. | |
| 7619 */ | |
| 7620 static void | |
| 7621 show_autocmd(ap, event) | |
| 7622 AutoPat *ap; | |
| 661 | 7623 event_T event; |
| 7 | 7624 { |
| 7625 AutoCmd *ac; | |
| 7626 | |
| 7627 /* Check for "got_int" (here and at various places below), which is set | |
| 7628 * when "q" has been hit for the "--more--" prompt */ | |
| 7629 if (got_int) | |
| 7630 return; | |
| 7631 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7632 return; | |
| 7633 | |
| 7634 msg_putchar('\n'); | |
| 7635 if (got_int) | |
| 7636 return; | |
| 7637 if (event != last_event || ap->group != last_group) | |
| 7638 { | |
| 7639 if (ap->group != AUGROUP_DEFAULT) | |
| 7640 { | |
| 7641 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7642 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7643 else | |
| 7644 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7645 msg_puts((char_u *)" "); | |
| 7646 } | |
| 7647 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7648 last_event = event; | |
| 7649 last_group = ap->group; | |
| 7650 msg_putchar('\n'); | |
| 7651 if (got_int) | |
| 7652 return; | |
| 7653 } | |
| 7654 msg_col = 4; | |
| 7655 msg_outtrans(ap->pat); | |
| 7656 | |
| 7657 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7658 { | |
| 7659 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7660 { | |
| 7661 if (msg_col >= 14) | |
| 7662 msg_putchar('\n'); | |
| 7663 msg_col = 14; | |
| 7664 if (got_int) | |
| 7665 return; | |
| 7666 msg_outtrans(ac->cmd); | |
| 500 | 7667 #ifdef FEAT_EVAL |
| 7668 if (p_verbose > 0) | |
| 7669 last_set_msg(ac->scriptID); | |
| 7670 #endif | |
| 7 | 7671 if (got_int) |
| 7672 return; | |
| 7673 if (ac->next != NULL) | |
| 7674 { | |
| 7675 msg_putchar('\n'); | |
| 7676 if (got_int) | |
| 7677 return; | |
| 7678 } | |
| 7679 } | |
| 7680 } | |
| 7681 } | |
| 7682 | |
| 7683 /* | |
| 7684 * Mark an autocommand pattern for deletion. | |
| 7685 */ | |
| 7686 static void | |
| 7687 au_remove_pat(ap) | |
| 7688 AutoPat *ap; | |
| 7689 { | |
| 7690 vim_free(ap->pat); | |
| 7691 ap->pat = NULL; | |
| 40 | 7692 ap->buflocal_nr = -1; |
| 7 | 7693 au_need_clean = TRUE; |
| 7694 } | |
| 7695 | |
| 7696 /* | |
| 7697 * Mark all commands for a pattern for deletion. | |
| 7698 */ | |
| 7699 static void | |
| 7700 au_remove_cmds(ap) | |
| 7701 AutoPat *ap; | |
| 7702 { | |
| 7703 AutoCmd *ac; | |
| 7704 | |
| 7705 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7706 { | |
| 7707 vim_free(ac->cmd); | |
| 7708 ac->cmd = NULL; | |
| 7709 } | |
| 7710 au_need_clean = TRUE; | |
| 7711 } | |
| 7712 | |
| 7713 /* | |
| 7714 * Cleanup autocommands and patterns that have been deleted. | |
| 7715 * This is only done when not executing autocommands. | |
| 7716 */ | |
| 7717 static void | |
| 7718 au_cleanup() | |
| 7719 { | |
| 7720 AutoPat *ap, **prev_ap; | |
| 7721 AutoCmd *ac, **prev_ac; | |
| 661 | 7722 event_T event; |
| 7 | 7723 |
| 7724 if (autocmd_busy || !au_need_clean) | |
| 7725 return; | |
| 7726 | |
| 7727 /* loop over all events */ | |
| 661 | 7728 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7729 event = (event_T)((int)event + 1)) | |
| 7 | 7730 { |
| 7731 /* loop over all autocommand patterns */ | |
| 7732 prev_ap = &(first_autopat[(int)event]); | |
| 7733 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7734 { | |
| 7735 /* loop over all commands for this pattern */ | |
| 7736 prev_ac = &(ap->cmds); | |
| 7737 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7738 { | |
| 7739 /* remove the command if the pattern is to be deleted or when | |
| 7740 * the command has been marked for deletion */ | |
| 7741 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7742 { | |
| 7743 *prev_ac = ac->next; | |
| 7744 vim_free(ac->cmd); | |
| 7745 vim_free(ac); | |
| 7746 } | |
| 7747 else | |
| 7748 prev_ac = &(ac->next); | |
| 7749 } | |
| 7750 | |
| 7751 /* remove the pattern if it has been marked for deletion */ | |
| 7752 if (ap->pat == NULL) | |
| 7753 { | |
| 7754 *prev_ap = ap->next; | |
| 153 | 7755 vim_free(ap->reg_prog); |
| 7 | 7756 vim_free(ap); |
| 7757 } | |
| 7758 else | |
| 7759 prev_ap = &(ap->next); | |
| 7760 } | |
| 7761 } | |
| 7762 | |
| 7763 au_need_clean = FALSE; | |
| 7764 } | |
| 7765 | |
| 7766 /* | |
| 40 | 7767 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7768 * autocmds. | |
| 7769 */ | |
| 7770 void | |
| 7771 aubuflocal_remove(buf) | |
| 7772 buf_T *buf; | |
| 7773 { | |
| 7774 AutoPat *ap; | |
| 661 | 7775 event_T event; |
| 40 | 7776 AutoPatCmd *apc; |
| 7777 | |
| 7778 /* invalidate currently executing autocommands */ | |
| 7779 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7780 if (buf->b_fnum == apc->arg_bufnr) | |
| 7781 apc->arg_bufnr = 0; | |
| 7782 | |
| 7783 /* invalidate buflocals looping through events */ | |
| 661 | 7784 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7785 event = (event_T)((int)event + 1)) | |
| 40 | 7786 /* loop over all autocommand patterns */ |
| 7787 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7788 if (ap->buflocal_nr == buf->b_fnum) | |
| 7789 { | |
| 7790 au_remove_pat(ap); | |
| 7791 if (p_verbose >= 6) | |
| 292 | 7792 { |
| 7793 verbose_enter(); | |
| 40 | 7794 smsg((char_u *) |
| 7795 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7796 event_nr2name(event), buf->b_fnum); | |
| 292 | 7797 verbose_leave(); |
| 7798 } | |
| 40 | 7799 } |
| 7800 au_cleanup(); | |
| 7801 } | |
| 7802 | |
| 7803 /* | |
| 7 | 7804 * Add an autocmd group name. |
| 7805 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7806 */ | |
| 7807 static int | |
| 7808 au_new_group(name) | |
| 7809 char_u *name; | |
| 7810 { | |
| 7811 int i; | |
| 7812 | |
| 7813 i = au_find_group(name); | |
| 7814 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7815 { | |
| 7816 /* First try using a free entry. */ | |
| 7817 for (i = 0; i < augroups.ga_len; ++i) | |
| 7818 if (AUGROUP_NAME(i) == NULL) | |
| 7819 break; | |
| 7820 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 7821 return AUGROUP_ERROR; | |
| 7822 | |
| 7823 AUGROUP_NAME(i) = vim_strsave(name); | |
| 7824 if (AUGROUP_NAME(i) == NULL) | |
| 7825 return AUGROUP_ERROR; | |
| 7826 if (i == augroups.ga_len) | |
| 7827 ++augroups.ga_len; | |
| 7828 } | |
| 7829 | |
| 7830 return i; | |
| 7831 } | |
| 7832 | |
| 7833 static void | |
| 7834 au_del_group(name) | |
| 7835 char_u *name; | |
| 7836 { | |
| 7837 int i; | |
| 7838 | |
| 7839 i = au_find_group(name); | |
| 7840 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 7841 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 7842 else | |
| 7843 { | |
| 7844 vim_free(AUGROUP_NAME(i)); | |
| 7845 AUGROUP_NAME(i) = NULL; | |
| 7846 } | |
| 7847 } | |
| 7848 | |
| 7849 /* | |
| 7850 * Find the ID of an autocmd group name. | |
| 7851 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7852 */ | |
| 7853 static int | |
| 7854 au_find_group(name) | |
| 7855 char_u *name; | |
| 7856 { | |
| 7857 int i; | |
| 7858 | |
| 7859 for (i = 0; i < augroups.ga_len; ++i) | |
| 7860 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 7861 return i; | |
| 7862 return AUGROUP_ERROR; | |
| 7863 } | |
| 7864 | |
| 461 | 7865 /* |
| 7866 * Return TRUE if augroup "name" exists. | |
| 7867 */ | |
| 7868 int | |
| 7869 au_has_group(name) | |
| 7870 char_u *name; | |
| 7871 { | |
| 7872 return au_find_group(name) != AUGROUP_ERROR; | |
| 7873 } | |
| 7874 | |
| 7 | 7875 /* |
| 7876 * ":augroup {name}". | |
| 7877 */ | |
| 7878 void | |
| 7879 do_augroup(arg, del_group) | |
| 7880 char_u *arg; | |
| 7881 int del_group; | |
| 7882 { | |
| 7883 int i; | |
| 7884 | |
| 7885 if (del_group) | |
| 7886 { | |
| 7887 if (*arg == NUL) | |
| 7888 EMSG(_(e_argreq)); | |
| 7889 else | |
| 7890 au_del_group(arg); | |
| 7891 } | |
| 7892 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 7893 current_augroup = AUGROUP_DEFAULT; | |
| 7894 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 7895 { | |
| 7896 i = au_new_group(arg); | |
| 7897 if (i != AUGROUP_ERROR) | |
| 7898 current_augroup = i; | |
| 7899 } | |
| 7900 else /* ":aug": list the group names */ | |
| 7901 { | |
| 7902 msg_start(); | |
| 7903 for (i = 0; i < augroups.ga_len; ++i) | |
| 7904 { | |
| 7905 if (AUGROUP_NAME(i) != NULL) | |
| 7906 { | |
| 7907 msg_puts(AUGROUP_NAME(i)); | |
| 7908 msg_puts((char_u *)" "); | |
| 7909 } | |
| 7910 } | |
| 7911 msg_clr_eos(); | |
| 7912 msg_end(); | |
| 7913 } | |
| 7914 } | |
| 7915 | |
| 355 | 7916 #if defined(EXITFREE) || defined(PROTO) |
| 7917 void | |
| 7918 free_all_autocmds() | |
| 7919 { | |
| 7920 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 7921 ++current_augroup) | |
| 7922 do_autocmd((char_u *)"", TRUE); | |
| 7923 ga_clear_strings(&augroups); | |
| 7924 } | |
| 7925 #endif | |
| 7926 | |
| 7 | 7927 /* |
| 7928 * Return the event number for event name "start". | |
| 7929 * Return NUM_EVENTS if the event name was not found. | |
| 7930 * Return a pointer to the next event name in "end". | |
| 7931 */ | |
| 661 | 7932 static event_T |
| 7 | 7933 event_name2nr(start, end) |
| 7934 char_u *start; | |
| 7935 char_u **end; | |
| 7936 { | |
| 7937 char_u *p; | |
| 7938 int i; | |
| 7939 int len; | |
| 7940 | |
| 7941 /* the event name ends with end of line, a blank or a comma */ | |
| 7942 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 7943 ; | |
| 7944 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7945 { | |
| 7946 len = (int)STRLEN(event_names[i].name); | |
| 7947 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 7948 break; | |
| 7949 } | |
| 7950 if (*p == ',') | |
| 7951 ++p; | |
| 7952 *end = p; | |
| 7953 if (event_names[i].name == NULL) | |
| 7954 return NUM_EVENTS; | |
| 7955 return event_names[i].event; | |
| 7956 } | |
| 7957 | |
| 7958 /* | |
| 7959 * Return the name for event "event". | |
| 7960 */ | |
| 7961 static char_u * | |
| 7962 event_nr2name(event) | |
| 661 | 7963 event_T event; |
| 7 | 7964 { |
| 7965 int i; | |
| 7966 | |
| 7967 for (i = 0; event_names[i].name != NULL; ++i) | |
| 7968 if (event_names[i].event == event) | |
| 7969 return (char_u *)event_names[i].name; | |
| 7970 return (char_u *)"Unknown"; | |
| 7971 } | |
| 7972 | |
| 7973 /* | |
| 7974 * Scan over the events. "*" stands for all events. | |
| 7975 */ | |
| 7976 static char_u * | |
| 7977 find_end_event(arg, have_group) | |
| 7978 char_u *arg; | |
| 7979 int have_group; /* TRUE when group name was found */ | |
| 7980 { | |
| 7981 char_u *pat; | |
| 7982 char_u *p; | |
| 7983 | |
| 7984 if (*arg == '*') | |
| 7985 { | |
| 7986 if (arg[1] && !vim_iswhite(arg[1])) | |
| 7987 { | |
| 7988 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 7989 return NULL; | |
| 7990 } | |
| 7991 pat = arg + 1; | |
| 7992 } | |
| 7993 else | |
| 7994 { | |
| 7995 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 7996 { | |
| 7997 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 7998 { | |
| 7999 if (have_group) | |
| 8000 EMSG2(_("E216: No such event: %s"), pat); | |
| 8001 else | |
| 8002 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 8003 return NULL; | |
| 8004 } | |
| 8005 } | |
| 8006 } | |
| 8007 return pat; | |
| 8008 } | |
| 8009 | |
| 8010 /* | |
| 8011 * Return TRUE if "event" is included in 'eventignore'. | |
| 8012 */ | |
| 8013 static int | |
| 8014 event_ignored(event) | |
| 661 | 8015 event_T event; |
| 7 | 8016 { |
| 8017 char_u *p = p_ei; | |
| 8018 | |
| 844 | 8019 while (*p != NUL) |
| 8020 { | |
| 8021 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8022 return TRUE; | |
| 7 | 8023 if (event_name2nr(p, &p) == event) |
| 8024 return TRUE; | |
| 844 | 8025 } |
| 7 | 8026 |
| 8027 return FALSE; | |
| 8028 } | |
| 8029 | |
| 8030 /* | |
| 8031 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 8032 */ | |
| 8033 int | |
| 8034 check_ei() | |
| 8035 { | |
| 8036 char_u *p = p_ei; | |
| 8037 | |
| 8038 while (*p) | |
| 844 | 8039 { |
| 8040 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8041 { | |
| 8042 p += 3; | |
| 8043 if (*p == ',') | |
| 8044 ++p; | |
| 8045 } | |
| 8046 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 8047 return FAIL; |
| 844 | 8048 } |
| 7 | 8049 |
| 8050 return OK; | |
| 8051 } | |
| 8052 | |
| 123 | 8053 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 8054 | |
| 8055 /* | |
| 8056 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 8057 * buffer loaded into the window. "what" must start with a comma. | |
| 8058 * Returns the old value of 'eventignore' in allocated memory. | |
| 8059 */ | |
| 8060 char_u * | |
| 8061 au_event_disable(what) | |
| 8062 char *what; | |
| 8063 { | |
| 8064 char_u *new_ei; | |
| 8065 char_u *save_ei; | |
| 8066 | |
| 8067 save_ei = vim_strsave(p_ei); | |
| 8068 if (save_ei != NULL) | |
| 8069 { | |
| 557 | 8070 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 8071 if (new_ei != NULL) |
| 8072 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8073 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8074 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8075 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8076 STRCAT(new_ei, what); |
| 694 | 8077 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 8078 OPT_FREE, SID_NONE); | |
| 123 | 8079 vim_free(new_ei); |
| 8080 } | |
| 8081 } | |
| 8082 return save_ei; | |
| 8083 } | |
| 8084 | |
| 8085 void | |
| 8086 au_event_restore(old_ei) | |
| 8087 char_u *old_ei; | |
| 8088 { | |
| 8089 if (old_ei != NULL) | |
| 8090 { | |
| 694 | 8091 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 8092 OPT_FREE, SID_NONE); | |
| 123 | 8093 vim_free(old_ei); |
| 8094 } | |
| 8095 } | |
| 8096 # endif /* FEAT_SYN_HL */ | |
| 8097 | |
| 7 | 8098 /* |
| 8099 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 8100 * following ways: | |
| 8101 * | |
| 8102 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 8103 * will be automatically executed for <event> | |
| 8104 * when editing a file matching <pat>, in | |
| 8105 * the current group. | |
| 8106 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 8107 * <event> and <pat>. | |
| 8108 * :autocmd <event> Show the auto-commands associated with | |
| 8109 * <event>. | |
| 8110 * :autocmd Show all auto-commands. | |
| 8111 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 8112 * <event> and <pat>, and add the command | |
| 8113 * <cmd>, for the current group. | |
| 8114 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 8115 * <event> and <pat> for the current group. | |
| 8116 * :autocmd! <event> Remove all auto-commands associated with | |
| 8117 * <event> for the current group. | |
| 8118 * :autocmd! Remove ALL auto-commands for the current | |
| 8119 * group. | |
| 8120 * | |
| 8121 * Multiple events and patterns may be given separated by commas. Here are | |
| 8122 * some examples: | |
| 8123 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 8124 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 8125 * | |
| 8126 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 8127 * |
| 8128 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 8129 */ |
| 8130 void | |
| 8131 do_autocmd(arg, forceit) | |
| 8132 char_u *arg; | |
| 8133 int forceit; | |
| 8134 { | |
| 8135 char_u *pat; | |
| 8136 char_u *envpat = NULL; | |
| 8137 char_u *cmd; | |
| 661 | 8138 event_T event; |
| 7 | 8139 int need_free = FALSE; |
| 8140 int nested = FALSE; | |
| 8141 int group; | |
| 8142 | |
| 8143 /* | |
| 8144 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8145 */ | |
| 8146 group = au_get_grouparg(&arg); | |
| 8147 if (arg == NULL) /* out of memory */ | |
| 8148 return; | |
| 8149 | |
| 8150 /* | |
| 8151 * Scan over the events. | |
| 8152 * If we find an illegal name, return here, don't do anything. | |
| 8153 */ | |
| 8154 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8155 if (pat == NULL) | |
| 8156 return; | |
| 8157 | |
| 8158 /* | |
| 8159 * Scan over the pattern. Put a NUL at the end. | |
| 8160 */ | |
| 8161 pat = skipwhite(pat); | |
| 8162 cmd = pat; | |
| 8163 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8164 cmd++; | |
| 8165 if (*cmd) | |
| 8166 *cmd++ = NUL; | |
| 8167 | |
| 8168 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8169 * forward slashes here. */ | |
| 8170 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8171 { | |
| 8172 #ifdef BACKSLASH_IN_FILENAME | |
| 8173 int p_ssl_save = p_ssl; | |
| 8174 | |
| 8175 p_ssl = TRUE; | |
| 8176 #endif | |
| 8177 envpat = expand_env_save(pat); | |
| 8178 #ifdef BACKSLASH_IN_FILENAME | |
| 8179 p_ssl = p_ssl_save; | |
| 8180 #endif | |
| 8181 if (envpat != NULL) | |
| 8182 pat = envpat; | |
| 8183 } | |
| 8184 | |
| 8185 /* | |
| 8186 * Check for "nested" flag. | |
| 8187 */ | |
| 8188 cmd = skipwhite(cmd); | |
| 8189 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8190 { | |
| 8191 nested = TRUE; | |
| 8192 cmd = skipwhite(cmd + 6); | |
| 8193 } | |
| 8194 | |
| 8195 /* | |
| 8196 * Find the start of the commands. | |
| 8197 * Expand <sfile> in it. | |
| 8198 */ | |
| 8199 if (*cmd != NUL) | |
| 8200 { | |
| 8201 cmd = expand_sfile(cmd); | |
| 8202 if (cmd == NULL) /* some error */ | |
| 8203 return; | |
| 8204 need_free = TRUE; | |
| 8205 } | |
| 8206 | |
| 8207 /* | |
| 8208 * Print header when showing autocommands. | |
| 8209 */ | |
| 8210 if (!forceit && *cmd == NUL) | |
| 8211 { | |
| 8212 /* Highlight title */ | |
| 8213 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8214 } | |
| 8215 | |
| 8216 /* | |
| 8217 * Loop over the events. | |
| 8218 */ | |
| 661 | 8219 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8220 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8221 if (*arg == '*' || *arg == NUL) | |
| 8222 { | |
| 661 | 8223 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8224 event = (event_T)((int)event + 1)) | |
| 7 | 8225 if (do_autocmd_event(event, pat, |
| 8226 nested, cmd, forceit, group) == FAIL) | |
| 8227 break; | |
| 8228 } | |
| 8229 else | |
| 8230 { | |
| 8231 while (*arg && !vim_iswhite(*arg)) | |
| 8232 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8233 nested, cmd, forceit, group) == FAIL) | |
| 8234 break; | |
| 8235 } | |
| 8236 | |
| 8237 if (need_free) | |
| 8238 vim_free(cmd); | |
| 8239 vim_free(envpat); | |
| 8240 } | |
| 8241 | |
| 8242 /* | |
| 8243 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8244 * The "argp" argument is advanced to the following argument. | |
| 8245 * | |
| 8246 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8247 */ | |
| 8248 static int | |
| 8249 au_get_grouparg(argp) | |
| 8250 char_u **argp; | |
| 8251 { | |
| 8252 char_u *group_name; | |
| 8253 char_u *p; | |
| 8254 char_u *arg = *argp; | |
| 8255 int group = AUGROUP_ALL; | |
| 8256 | |
| 8257 p = skiptowhite(arg); | |
| 8258 if (p > arg) | |
| 8259 { | |
| 8260 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8261 if (group_name == NULL) /* out of memory */ | |
| 8262 return AUGROUP_ERROR; | |
| 8263 group = au_find_group(group_name); | |
| 8264 if (group == AUGROUP_ERROR) | |
| 8265 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8266 else | |
| 8267 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8268 vim_free(group_name); | |
| 8269 } | |
| 8270 return group; | |
| 8271 } | |
| 8272 | |
| 8273 /* | |
| 8274 * do_autocmd() for one event. | |
| 8275 * If *pat == NUL do for all patterns. | |
| 8276 * If *cmd == NUL show entries. | |
| 8277 * If forceit == TRUE delete entries. | |
| 8278 * If group is not AUGROUP_ALL, only use this group. | |
| 8279 */ | |
| 8280 static int | |
| 8281 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8282 event_T event; |
| 7 | 8283 char_u *pat; |
| 8284 int nested; | |
| 8285 char_u *cmd; | |
| 8286 int forceit; | |
| 8287 int group; | |
| 8288 { | |
| 8289 AutoPat *ap; | |
| 8290 AutoPat **prev_ap; | |
| 8291 AutoCmd *ac; | |
| 8292 AutoCmd **prev_ac; | |
| 8293 int brace_level; | |
| 8294 char_u *endpat; | |
| 8295 int findgroup; | |
| 8296 int allgroups; | |
| 8297 int patlen; | |
| 856 | 8298 int is_buflocal; |
| 40 | 8299 int buflocal_nr; |
| 8300 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8301 |
| 8302 if (group == AUGROUP_ALL) | |
| 8303 findgroup = current_augroup; | |
| 8304 else | |
| 8305 findgroup = group; | |
| 8306 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8307 | |
| 8308 /* | |
| 8309 * Show or delete all patterns for an event. | |
| 8310 */ | |
| 8311 if (*pat == NUL) | |
| 8312 { | |
| 8313 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8314 { | |
| 8315 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8316 { | |
| 8317 if (ap->group == findgroup) | |
| 8318 au_remove_pat(ap); | |
| 8319 } | |
| 8320 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8321 show_autocmd(ap, event); | |
| 8322 } | |
| 8323 } | |
| 8324 | |
| 8325 /* | |
| 8326 * Loop through all the specified patterns. | |
| 8327 */ | |
| 8328 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8329 { | |
| 8330 /* | |
| 8331 * Find end of the pattern. | |
| 8332 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8333 */ | |
| 8334 brace_level = 0; | |
| 8335 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8336 || endpat[-1] == '\\'); ++endpat) | |
| 8337 { | |
| 8338 if (*endpat == '{') | |
| 8339 brace_level++; | |
| 8340 else if (*endpat == '}') | |
| 8341 brace_level--; | |
| 8342 } | |
| 8343 if (pat == endpat) /* ignore single comma */ | |
| 8344 continue; | |
| 8345 patlen = (int)(endpat - pat); | |
| 8346 | |
| 8347 /* | |
| 40 | 8348 * detect special <buflocal[=X]> buffer-local patterns |
| 8349 */ | |
| 8350 is_buflocal = FALSE; | |
| 8351 buflocal_nr = 0; | |
| 8352 | |
| 8353 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8354 && pat[patlen - 1] == '>') | |
| 8355 { | |
| 8356 /* Error will be printed only for addition. printing and removing | |
| 8357 * will proceed silently. */ | |
| 8358 is_buflocal = TRUE; | |
| 8359 if (patlen == 8) | |
| 8360 buflocal_nr = curbuf->b_fnum; | |
| 8361 else if (patlen > 9 && pat[7] == '=') | |
| 8362 { | |
| 8363 /* <buffer=abuf> */ | |
| 8364 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8365 buflocal_nr = autocmd_bufnr; | |
| 8366 /* <buffer=123> */ | |
| 8367 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8368 buflocal_nr = atoi((char *)pat + 8); | |
| 8369 } | |
| 8370 } | |
| 8371 | |
| 8372 if (is_buflocal) | |
| 8373 { | |
| 8374 /* normalize pat into standard "<buffer>#N" form */ | |
| 8375 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8376 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8377 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8378 } |
| 8379 | |
| 8380 /* | |
| 7 | 8381 * Find AutoPat entries with this pattern. |
| 8382 */ | |
| 8383 prev_ap = &first_autopat[(int)event]; | |
| 8384 while ((ap = *prev_ap) != NULL) | |
| 8385 { | |
| 8386 if (ap->pat != NULL) | |
| 8387 { | |
| 8388 /* Accept a pattern when: | |
| 8389 * - a group was specified and it's that group, or a group was | |
| 8390 * not specified and it's the current group, or a group was | |
| 8391 * not specified and we are listing | |
| 8392 * - the length of the pattern matches | |
| 40 | 8393 * - the pattern matches. |
| 8394 * For <buffer[=X]>, this condition works because we normalize | |
| 8395 * all buffer-local patterns. | |
| 7 | 8396 */ |
| 8397 if ((allgroups || ap->group == findgroup) | |
| 8398 && ap->patlen == patlen | |
| 8399 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8400 { | |
| 8401 /* | |
| 8402 * Remove existing autocommands. | |
| 8403 * If adding any new autocmd's for this AutoPat, don't | |
| 8404 * delete the pattern from the autopat list, append to | |
| 8405 * this list. | |
| 8406 */ | |
| 8407 if (forceit) | |
| 8408 { | |
| 8409 if (*cmd != NUL && ap->next == NULL) | |
| 8410 { | |
| 8411 au_remove_cmds(ap); | |
| 8412 break; | |
| 8413 } | |
| 8414 au_remove_pat(ap); | |
| 8415 } | |
| 8416 | |
| 8417 /* | |
| 40 | 8418 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8419 */ |
| 8420 else if (*cmd == NUL) | |
| 8421 show_autocmd(ap, event); | |
| 8422 | |
| 8423 /* | |
| 8424 * Add autocmd to this autopat, if it's the last one. | |
| 8425 */ | |
| 8426 else if (ap->next == NULL) | |
| 8427 break; | |
| 8428 } | |
| 8429 } | |
| 8430 prev_ap = &ap->next; | |
| 8431 } | |
| 8432 | |
| 8433 /* | |
| 8434 * Add a new command. | |
| 8435 */ | |
| 8436 if (*cmd != NUL) | |
| 8437 { | |
| 8438 /* | |
| 8439 * If the pattern we want to add a command to does appear at the | |
| 8440 * end of the list (or not is not in the list at all), add the | |
| 8441 * pattern at the end of the list. | |
| 8442 */ | |
| 8443 if (ap == NULL) | |
| 8444 { | |
| 40 | 8445 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8446 if (is_buflocal && (buflocal_nr == 0 | |
| 8447 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8448 { | |
| 8449 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8450 buflocal_nr); | |
| 8451 return FAIL; | |
| 8452 } | |
| 8453 | |
| 7 | 8454 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8455 if (ap == NULL) | |
| 8456 return FAIL; | |
| 8457 ap->pat = vim_strnsave(pat, patlen); | |
| 8458 ap->patlen = patlen; | |
| 8459 if (ap->pat == NULL) | |
| 8460 { | |
| 8461 vim_free(ap); | |
| 8462 return FAIL; | |
| 8463 } | |
| 40 | 8464 |
| 8465 if (is_buflocal) | |
| 8466 { | |
| 8467 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8468 ap->reg_prog = NULL; |
| 40 | 8469 } |
| 8470 else | |
| 7 | 8471 { |
| 153 | 8472 char_u *reg_pat; |
| 8473 | |
| 40 | 8474 ap->buflocal_nr = 0; |
| 153 | 8475 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8476 &ap->allow_dirs, TRUE); |
| 153 | 8477 if (reg_pat != NULL) |
| 8478 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8479 vim_free(reg_pat); |
| 153 | 8480 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8481 { |
| 8482 vim_free(ap->pat); | |
| 8483 vim_free(ap); | |
| 8484 return FAIL; | |
| 8485 } | |
| 7 | 8486 } |
| 8487 ap->cmds = NULL; | |
| 8488 *prev_ap = ap; | |
| 8489 ap->next = NULL; | |
| 8490 if (group == AUGROUP_ALL) | |
| 8491 ap->group = current_augroup; | |
| 8492 else | |
| 8493 ap->group = group; | |
| 8494 } | |
| 8495 | |
| 8496 /* | |
| 8497 * Add the autocmd at the end of the AutoCmd list. | |
| 8498 */ | |
| 8499 prev_ac = &(ap->cmds); | |
| 8500 while ((ac = *prev_ac) != NULL) | |
| 8501 prev_ac = &ac->next; | |
| 8502 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8503 if (ac == NULL) | |
| 8504 return FAIL; | |
| 8505 ac->cmd = vim_strsave(cmd); | |
| 8506 #ifdef FEAT_EVAL | |
| 8507 ac->scriptID = current_SID; | |
| 8508 #endif | |
| 8509 if (ac->cmd == NULL) | |
| 8510 { | |
| 8511 vim_free(ac); | |
| 8512 return FAIL; | |
| 8513 } | |
| 8514 ac->next = NULL; | |
| 8515 *prev_ac = ac; | |
| 8516 ac->nested = nested; | |
| 8517 } | |
| 8518 } | |
| 8519 | |
| 8520 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8521 return OK; | |
| 8522 } | |
| 8523 | |
| 8524 /* | |
| 8525 * Implementation of ":doautocmd [group] event [fname]". | |
| 8526 * Return OK for success, FAIL for failure; | |
| 8527 */ | |
| 8528 int | |
| 8529 do_doautocmd(arg, do_msg) | |
| 8530 char_u *arg; | |
| 8531 int do_msg; /* give message for no matching autocmds? */ | |
| 8532 { | |
| 8533 char_u *fname; | |
| 8534 int nothing_done = TRUE; | |
| 8535 int group; | |
| 8536 | |
| 8537 /* | |
| 8538 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8539 */ | |
| 8540 group = au_get_grouparg(&arg); | |
| 8541 if (arg == NULL) /* out of memory */ | |
| 8542 return FAIL; | |
| 8543 | |
| 8544 if (*arg == '*') | |
| 8545 { | |
| 8546 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8547 return FAIL; | |
| 8548 } | |
| 8549 | |
| 8550 /* | |
| 8551 * Scan over the events. | |
| 8552 * If we find an illegal name, return here, don't do anything. | |
| 8553 */ | |
| 8554 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8555 if (fname == NULL) | |
| 8556 return FAIL; | |
| 8557 | |
| 8558 fname = skipwhite(fname); | |
| 8559 | |
| 8560 /* | |
| 8561 * Loop over the events. | |
| 8562 */ | |
| 8563 while (*arg && !vim_iswhite(*arg)) | |
| 8564 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8565 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8566 nothing_done = FALSE; | |
| 8567 | |
| 8568 if (nothing_done && do_msg) | |
| 8569 MSG(_("No matching autocommands")); | |
| 8570 | |
| 8571 #ifdef FEAT_EVAL | |
| 8572 return aborting() ? FAIL : OK; | |
| 8573 #else | |
| 8574 return OK; | |
| 8575 #endif | |
| 8576 } | |
| 8577 | |
| 8578 /* | |
| 8579 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8580 */ | |
| 8581 void | |
| 8582 ex_doautoall(eap) | |
| 8583 exarg_T *eap; | |
| 8584 { | |
| 8585 int retval; | |
| 8586 aco_save_T aco; | |
| 8587 buf_T *buf; | |
| 8588 | |
| 8589 /* | |
| 8590 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8591 * equal to curbuf, but for some buffers there may not be a window. | |
| 8592 * So we change the buffer for the current window for a moment. This | |
| 8593 * gives problems when the autocommands make changes to the list of | |
| 8594 * buffers or windows... | |
| 8595 */ | |
| 8596 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8597 { | |
| 1665 | 8598 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8599 { |
| 8600 /* find a window for this buffer and save some values */ | |
| 8601 aucmd_prepbuf(&aco, buf); | |
| 8602 | |
| 8603 /* execute the autocommands for this buffer */ | |
| 8604 retval = do_doautocmd(eap->arg, FALSE); | |
| 1113 | 8605 |
| 8606 /* Execute the modeline settings, but don't set window-local | |
| 8607 * options if we are using the current window for another buffer. */ | |
| 1906 | 8608 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
| 7 | 8609 |
| 8610 /* restore the current window */ | |
| 8611 aucmd_restbuf(&aco); | |
| 8612 | |
| 8613 /* stop if there is some error or buffer was deleted */ | |
| 8614 if (retval == FAIL || !buf_valid(buf)) | |
| 8615 break; | |
| 8616 } | |
| 8617 } | |
| 8618 | |
| 8619 check_cursor(); /* just in case lines got deleted */ | |
| 8620 } | |
| 8621 | |
| 8622 /* | |
| 8623 * Prepare for executing autocommands for (hidden) buffer "buf". | |
| 1906 | 8624 * Search for a visible window containing the current buffer. If there isn't |
| 8625 * one then use "aucmd_win". | |
| 7 | 8626 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8627 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8628 */ |
| 8629 void | |
| 8630 aucmd_prepbuf(aco, buf) | |
| 8631 aco_save_T *aco; /* structure to save values in */ | |
| 8632 buf_T *buf; /* new curbuf */ | |
| 8633 { | |
| 8634 win_T *win; | |
| 1906 | 8635 #ifdef FEAT_WINDOWS |
| 8636 int save_ea; | |
| 8637 #endif | |
| 7 | 8638 |
| 8639 /* Find a window that is for the new buffer */ | |
| 8640 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8641 win = curwin; | |
| 8642 else | |
| 8643 #ifdef FEAT_WINDOWS | |
| 8644 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8645 if (win->w_buffer == buf) | |
| 8646 break; | |
| 8647 #else | |
| 8648 win = NULL; | |
| 8649 #endif | |
| 8650 | |
| 1906 | 8651 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8652 * back to using the current window. */ | |
| 8653 if (win == NULL && aucmd_win == NULL) | |
| 8654 { | |
| 8655 win_alloc_aucmd_win(); | |
| 8656 if (aucmd_win == NULL) | |
| 8657 win = curwin; | |
| 8658 } | |
| 1944 | 8659 if (win == NULL && aucmd_win_used) |
| 8660 /* Strange recursive autocommand, fall back to using the current | |
| 8661 * window. Expect a few side effects... */ | |
| 8662 win = curwin; | |
| 1906 | 8663 |
| 8664 aco->save_curwin = curwin; | |
| 8665 aco->save_curbuf = curbuf; | |
| 7 | 8666 if (win != NULL) |
| 8667 { | |
| 1906 | 8668 /* There is a window for "buf" in the current tab page, make it the |
| 8669 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8670 * "buf" is curbuf). */ | |
| 1944 | 8671 aco->use_aucmd_win = FALSE; |
| 7 | 8672 curwin = win; |
| 8673 } | |
| 8674 else | |
| 8675 { | |
| 1906 | 8676 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 8677 * effects, insert it in a the current tab page. | |
| 8678 * Anything related to a window (e.g., setting folds) may have | |
| 8679 * unexpected results. */ | |
| 1944 | 8680 aco->use_aucmd_win = TRUE; |
| 8681 aucmd_win_used = TRUE; | |
| 1918 | 8682 aucmd_win->w_buffer = buf; |
| 7 | 8683 ++buf->b_nwindows; |
| 1918 | 8684 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8685 vim_free(aucmd_win->w_localdir); |
| 8686 aucmd_win->w_localdir = NULL; | |
| 8687 | |
| 8688 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8689 * win_enter_ext(). */ | |
| 8690 aucmd_win->w_localdir = NULL; | |
| 8691 aco->globaldir = globaldir; | |
| 8692 globaldir = NULL; | |
| 8693 | |
| 7 | 8694 |
| 1906 | 8695 #ifdef FEAT_WINDOWS |
| 1923 | 8696 /* Split the current window, put the aucmd_win in the upper half. |
| 8697 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8698 block_autocmds(); | |
| 1906 | 8699 make_snapshot(SNAP_AUCMD_IDX); |
| 8700 save_ea = p_ea; | |
| 8701 p_ea = FALSE; | |
| 8702 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
| 8703 (void)win_comp_pos(); /* recompute window positions */ | |
| 8704 p_ea = save_ea; | |
| 1923 | 8705 unblock_autocmds(); |
| 1906 | 8706 #endif |
| 1918 | 8707 curwin = aucmd_win; |
| 1906 | 8708 } |
| 7 | 8709 curbuf = buf; |
| 1906 | 8710 aco->new_curwin = curwin; |
| 8711 aco->new_curbuf = curbuf; | |
| 7 | 8712 } |
| 8713 | |
| 8714 /* | |
| 8715 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8716 * Restore the window as it was (if possible). | |
| 934 | 8717 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8718 */ |
| 8719 void | |
| 8720 aucmd_restbuf(aco) | |
| 8721 aco_save_T *aco; /* structure holding saved values */ | |
| 8722 { | |
| 1906 | 8723 #ifdef FEAT_WINDOWS |
| 8724 int dummy; | |
| 8725 #endif | |
| 8726 | |
| 1944 | 8727 if (aco->use_aucmd_win) |
| 1906 | 8728 { |
| 8729 --curbuf->b_nwindows; | |
| 8730 #ifdef FEAT_WINDOWS | |
| 8731 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8732 * page. Do not trigger autocommands here. */ |
| 8733 block_autocmds(); | |
| 1906 | 8734 if (curwin != aucmd_win) |
| 8735 { | |
| 8736 tabpage_T *tp; | |
| 8737 win_T *wp; | |
| 8738 | |
| 8739 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8740 { | |
| 8741 if (wp == aucmd_win) | |
| 8742 { | |
| 8743 if (tp != curtab) | |
| 8744 goto_tabpage_tp(tp); | |
| 8745 win_goto(aucmd_win); | |
| 8746 break; | |
| 8747 } | |
| 8748 } | |
| 8749 } | |
| 8750 | |
| 8751 /* Remove the window and frame from the tree of frames. */ | |
| 8752 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8753 win_remove(curwin, NULL); | |
| 1944 | 8754 aucmd_win_used = FALSE; |
| 1906 | 8755 last_status(FALSE); /* may need to remove last status line */ |
| 8756 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8757 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8758 unblock_autocmds(); |
| 1906 | 8759 |
| 8760 if (win_valid(aco->save_curwin)) | |
| 8761 curwin = aco->save_curwin; | |
| 8762 else | |
| 8763 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8764 curwin = firstwin; | |
| 8765 # ifdef FEAT_EVAL | |
| 8766 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
| 2001 | 8767 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
| 1906 | 8768 # endif |
| 8769 #else | |
| 8770 curwin = aco->save_curwin; | |
| 8771 #endif | |
| 8772 curbuf = curwin->w_buffer; | |
| 8773 | |
| 1944 | 8774 vim_free(globaldir); |
| 8775 globaldir = aco->globaldir; | |
| 8776 | |
| 1906 | 8777 /* the buffer contents may have changed */ |
| 8778 check_cursor(); | |
| 8779 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8780 { | |
| 8781 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8782 #ifdef FEAT_DIFF | |
| 8783 curwin->w_topfill = 0; | |
| 8784 #endif | |
| 8785 } | |
| 8786 #if defined(FEAT_GUI) | |
| 8787 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8788 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8789 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8790 gui_may_update_scrollbars(); | |
| 8791 #endif | |
| 8792 } | |
| 8793 else | |
| 7 | 8794 { |
| 8795 /* restore curwin */ | |
| 8796 #ifdef FEAT_WINDOWS | |
| 8797 if (win_valid(aco->save_curwin)) | |
| 8798 #endif | |
| 8799 { | |
| 1906 | 8800 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8801 * it was changed, we are still the same window and the buffer is |
| 1906 | 8802 * valid. */ |
| 7 | 8803 if (curwin == aco->new_curwin |
| 1906 | 8804 && curbuf != aco->new_curbuf |
| 8805 && buf_valid(aco->new_curbuf) | |
| 8806 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8807 { |
| 8808 --curbuf->b_nwindows; | |
| 1906 | 8809 curbuf = aco->new_curbuf; |
| 7 | 8810 curwin->w_buffer = curbuf; |
| 8811 ++curbuf->b_nwindows; | |
| 8812 } | |
| 8813 | |
| 8814 curwin = aco->save_curwin; | |
| 8815 curbuf = curwin->w_buffer; | |
| 8816 } | |
| 8817 } | |
| 8818 } | |
| 8819 | |
| 8820 static int autocmd_nested = FALSE; | |
| 8821 | |
| 8822 /* | |
| 8823 * Execute autocommands for "event" and file name "fname". | |
| 8824 * Return TRUE if some commands were executed. | |
| 8825 */ | |
| 8826 int | |
| 8827 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 8828 event_T event; |
| 7 | 8829 char_u *fname; /* NULL or empty means use actual file name */ |
| 8830 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8831 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8832 buf_T *buf; /* buffer for <abuf> */ | |
| 8833 { | |
| 8834 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8835 AUGROUP_ALL, buf, NULL); | |
| 8836 } | |
| 8837 | |
| 8838 /* | |
| 8839 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 8840 * setting v:filearg. | |
| 8841 */ | |
| 8842 static int | |
| 8843 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 8844 event_T event; |
| 7 | 8845 char_u *fname; |
| 8846 char_u *fname_io; | |
| 8847 int force; | |
| 8848 buf_T *buf; | |
| 8849 exarg_T *eap; | |
| 8850 { | |
| 8851 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8852 AUGROUP_ALL, buf, eap); | |
| 8853 } | |
| 8854 | |
| 8855 /* | |
| 8856 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 8857 * processing is being aborted or if retval is FAIL when inside a try | |
| 8858 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 8859 * cause the script to be aborted, retval is set to FAIL. | |
| 8860 */ | |
| 8861 int | |
| 8862 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 8863 event_T event; |
| 7 | 8864 char_u *fname; /* NULL or empty means use actual file name */ |
| 8865 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8866 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8867 buf_T *buf; /* buffer for <abuf> */ | |
| 8868 int *retval; /* pointer to caller's retval */ | |
| 8869 { | |
| 8870 int did_cmd; | |
| 8871 | |
| 532 | 8872 #ifdef FEAT_EVAL |
| 7 | 8873 if (should_abort(*retval)) |
| 8874 return FALSE; | |
| 532 | 8875 #endif |
| 7 | 8876 |
| 8877 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 8878 AUGROUP_ALL, buf, NULL); | |
| 532 | 8879 if (did_cmd |
| 8880 #ifdef FEAT_EVAL | |
| 8881 && aborting() | |
| 8882 #endif | |
| 8883 ) | |
| 7 | 8884 *retval = FAIL; |
| 8885 return did_cmd; | |
| 8886 } | |
| 8887 | |
| 609 | 8888 /* |
| 8889 * Return TRUE when there is a CursorHold autocommand defined. | |
| 8890 */ | |
| 7 | 8891 int |
| 8892 has_cursorhold() | |
| 8893 { | |
| 661 | 8894 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 8895 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 8896 } |
| 609 | 8897 |
| 8898 /* | |
| 8899 * Return TRUE if the CursorHold event can be triggered. | |
| 8900 */ | |
| 8901 int | |
| 8902 trigger_cursorhold() | |
| 8903 { | |
| 661 | 8904 int state; |
| 8905 | |
| 978 | 8906 if (!did_cursorhold && has_cursorhold() && !Recording |
| 8907 #ifdef FEAT_INS_EXPAND | |
| 8908 && !ins_compl_active() | |
| 8909 #endif | |
| 8910 ) | |
| 661 | 8911 { |
| 8912 state = get_real_state(); | |
| 8913 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 8914 return TRUE; | |
| 8915 } | |
| 8916 return FALSE; | |
| 609 | 8917 } |
| 661 | 8918 |
| 8919 /* | |
| 8920 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 8921 */ | |
| 8922 int | |
| 8923 has_cursormoved() | |
| 8924 { | |
| 8925 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 8926 } | |
| 8927 | |
| 8928 /* | |
| 8929 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 8930 */ | |
| 8931 int | |
| 8932 has_cursormovedI() | |
| 8933 { | |
| 8934 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 8935 } | |
| 7 | 8936 |
| 8937 static int | |
| 8938 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 8939 event_T event; |
| 7 | 8940 char_u *fname; /* NULL or empty means use actual file name */ |
| 8941 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 8942 use fname */ | |
| 8943 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8944 int group; /* group ID, or AUGROUP_ALL */ | |
| 8945 buf_T *buf; /* buffer for <abuf> */ | |
| 8946 exarg_T *eap; /* command arguments */ | |
| 8947 { | |
| 8948 char_u *sfname = NULL; /* short file name */ | |
| 8949 char_u *tail; | |
| 8950 int save_changed; | |
| 8951 buf_T *old_curbuf; | |
| 8952 int retval = FALSE; | |
| 8953 char_u *save_sourcing_name; | |
| 8954 linenr_T save_sourcing_lnum; | |
| 8955 char_u *save_autocmd_fname; | |
| 1723 | 8956 int save_autocmd_fname_full; |
| 7 | 8957 int save_autocmd_bufnr; |
| 8958 char_u *save_autocmd_match; | |
| 8959 int save_autocmd_busy; | |
| 8960 int save_autocmd_nested; | |
| 8961 static int nesting = 0; | |
| 8962 AutoPatCmd patcmd; | |
| 8963 AutoPat *ap; | |
| 8964 #ifdef FEAT_EVAL | |
| 8965 scid_T save_current_SID; | |
| 8966 void *save_funccalp; | |
| 8967 char_u *save_cmdarg; | |
| 8968 long save_cmdbang; | |
| 8969 #endif | |
| 8970 static int filechangeshell_busy = FALSE; | |
| 170 | 8971 #ifdef FEAT_PROFILE |
| 8972 proftime_T wait_time; | |
| 8973 #endif | |
| 7 | 8974 |
| 8975 /* | |
| 8976 * Quickly return if there are no autocommands for this event or | |
| 8977 * autocommands are blocked. | |
| 8978 */ | |
| 1410 | 8979 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 8980 goto BYPASS_AU; |
| 7 | 8981 |
| 8982 /* | |
| 8983 * When autocommands are busy, new autocommands are only executed when | |
| 8984 * explicitly enabled with the "nested" flag. | |
| 8985 */ | |
| 8986 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 8987 goto BYPASS_AU; |
| 7 | 8988 |
| 8989 #ifdef FEAT_EVAL | |
| 8990 /* | |
| 1201 | 8991 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 8992 * occurred or an exception was thrown but not caught. |
| 8993 */ | |
| 8994 if (aborting()) | |
| 40 | 8995 goto BYPASS_AU; |
| 7 | 8996 #endif |
| 8997 | |
| 8998 /* | |
| 8999 * FileChangedShell never nests, because it can create an endless loop. | |
| 9000 */ | |
| 765 | 9001 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 9002 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 9003 goto BYPASS_AU; |
| 7 | 9004 |
| 9005 /* | |
| 9006 * Ignore events in 'eventignore'. | |
| 9007 */ | |
| 9008 if (event_ignored(event)) | |
| 40 | 9009 goto BYPASS_AU; |
| 7 | 9010 |
| 9011 /* | |
| 9012 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 9013 * possible to create an endless loop. | |
| 9014 */ | |
| 9015 if (nesting == 10) | |
| 9016 { | |
| 9017 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 9018 goto BYPASS_AU; |
| 7 | 9019 } |
| 9020 | |
| 9021 /* | |
| 9022 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 9023 * ":ball". | |
| 9024 */ | |
| 9025 if ( (autocmd_no_enter | |
| 9026 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 9027 || (autocmd_no_leave | |
| 9028 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 9029 goto BYPASS_AU; |
| 7 | 9030 |
| 9031 /* | |
| 9032 * Save the autocmd_* variables and info about the current buffer. | |
| 9033 */ | |
| 9034 save_autocmd_fname = autocmd_fname; | |
| 1723 | 9035 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 9036 save_autocmd_bufnr = autocmd_bufnr; |
| 9037 save_autocmd_match = autocmd_match; | |
| 9038 save_autocmd_busy = autocmd_busy; | |
| 9039 save_autocmd_nested = autocmd_nested; | |
| 9040 save_changed = curbuf->b_changed; | |
| 9041 old_curbuf = curbuf; | |
| 9042 | |
| 9043 /* | |
| 9044 * Set the file name to be used for <afile>. | |
| 1471 | 9045 * Make a copy to avoid that changing a buffer name or directory makes it |
| 9046 * invalid. | |
| 7 | 9047 */ |
| 9048 if (fname_io == NULL) | |
| 9049 { | |
| 9050 if (fname != NULL && *fname != NUL) | |
| 9051 autocmd_fname = fname; | |
| 9052 else if (buf != NULL) | |
| 1723 | 9053 autocmd_fname = buf->b_ffname; |
| 7 | 9054 else |
| 9055 autocmd_fname = NULL; | |
| 9056 } | |
| 9057 else | |
| 9058 autocmd_fname = fname_io; | |
| 1471 | 9059 if (autocmd_fname != NULL) |
| 1723 | 9060 autocmd_fname = vim_strsave(autocmd_fname); |
| 9061 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 9062 |
| 9063 /* | |
| 9064 * Set the buffer number to be used for <abuf>. | |
| 9065 */ | |
| 9066 if (buf == NULL) | |
| 9067 autocmd_bufnr = 0; | |
| 9068 else | |
| 9069 autocmd_bufnr = buf->b_fnum; | |
| 9070 | |
| 9071 /* | |
| 9072 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 9073 * Always use the full path of the file name to match with, in case | |
| 9074 * "allow_dirs" is set. | |
| 9075 */ | |
| 9076 if (fname == NULL || *fname == NUL) | |
| 9077 { | |
| 9078 if (buf == NULL) | |
| 9079 fname = NULL; | |
| 9080 else | |
| 9081 { | |
| 9082 #ifdef FEAT_SYN_HL | |
| 9083 if (event == EVENT_SYNTAX) | |
| 9084 fname = buf->b_p_syn; | |
| 9085 else | |
| 9086 #endif | |
| 9087 if (event == EVENT_FILETYPE) | |
| 9088 fname = buf->b_p_ft; | |
| 9089 else | |
| 9090 { | |
| 9091 if (buf->b_sfname != NULL) | |
| 9092 sfname = vim_strsave(buf->b_sfname); | |
| 9093 fname = buf->b_ffname; | |
| 9094 } | |
| 9095 } | |
| 9096 if (fname == NULL) | |
| 9097 fname = (char_u *)""; | |
| 9098 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 9099 } | |
| 9100 else | |
| 9101 { | |
| 9102 sfname = vim_strsave(fname); | |
| 1867 | 9103 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 9104 * QuickFixCmd* */ | |
| 161 | 9105 if (event == EVENT_FILETYPE |
| 9106 || event == EVENT_SYNTAX | |
| 1867 | 9107 || event == EVENT_FUNCUNDEFINED |
| 161 | 9108 || event == EVENT_REMOTEREPLY |
| 649 | 9109 || event == EVENT_SPELLFILEMISSING |
| 161 | 9110 || event == EVENT_QUICKFIXCMDPRE |
| 9111 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 9112 fname = vim_strsave(fname); |
| 9113 else | |
| 9114 fname = FullName_save(fname, FALSE); | |
| 9115 } | |
| 9116 if (fname == NULL) /* out of memory */ | |
| 9117 { | |
| 9118 vim_free(sfname); | |
| 40 | 9119 retval = FALSE; |
| 9120 goto BYPASS_AU; | |
| 7 | 9121 } |
| 9122 | |
| 9123 #ifdef BACKSLASH_IN_FILENAME | |
| 9124 /* | |
| 9125 * Replace all backslashes with forward slashes. This makes the | |
| 9126 * autocommand patterns portable between Unix and MS-DOS. | |
| 9127 */ | |
| 9128 if (sfname != NULL) | |
| 9129 forward_slash(sfname); | |
| 9130 forward_slash(fname); | |
| 9131 #endif | |
| 9132 | |
| 9133 #ifdef VMS | |
| 9134 /* remove version for correct match */ | |
| 9135 if (sfname != NULL) | |
| 9136 vms_remove_version(sfname); | |
| 9137 vms_remove_version(fname); | |
| 9138 #endif | |
| 9139 | |
| 9140 /* | |
| 9141 * Set the name to be used for <amatch>. | |
| 9142 */ | |
| 9143 autocmd_match = fname; | |
| 9144 | |
| 9145 | |
| 9146 /* Don't redraw while doing auto commands. */ | |
| 9147 ++RedrawingDisabled; | |
| 9148 save_sourcing_name = sourcing_name; | |
| 9149 sourcing_name = NULL; /* don't free this one */ | |
| 9150 save_sourcing_lnum = sourcing_lnum; | |
| 9151 sourcing_lnum = 0; /* no line number here */ | |
| 9152 | |
| 9153 #ifdef FEAT_EVAL | |
| 9154 save_current_SID = current_SID; | |
| 9155 | |
| 170 | 9156 # ifdef FEAT_PROFILE |
| 788 | 9157 if (do_profiling == PROF_YES) |
| 170 | 9158 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9159 # endif | |
| 9160 | |
| 7 | 9161 /* Don't use local function variables, if called from a function */ |
| 9162 save_funccalp = save_funccal(); | |
| 9163 #endif | |
| 9164 | |
| 9165 /* | |
| 9166 * When starting to execute autocommands, save the search patterns. | |
| 9167 */ | |
| 9168 if (!autocmd_busy) | |
| 9169 { | |
| 9170 save_search_patterns(); | |
| 9171 saveRedobuff(); | |
| 9172 did_filetype = keep_filetype; | |
| 9173 } | |
| 9174 | |
| 9175 /* | |
| 9176 * Note that we are applying autocmds. Some commands need to know. | |
| 9177 */ | |
| 9178 autocmd_busy = TRUE; | |
| 9179 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9180 ++nesting; /* see matching decrement below */ | |
| 9181 | |
| 9182 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9183 if (event == EVENT_FILETYPE) | |
| 9184 did_filetype = TRUE; | |
| 9185 | |
| 9186 tail = gettail(fname); | |
| 9187 | |
| 9188 /* Find first autocommand that matches */ | |
| 9189 patcmd.curpat = first_autopat[(int)event]; | |
| 9190 patcmd.nextcmd = NULL; | |
| 9191 patcmd.group = group; | |
| 9192 patcmd.fname = fname; | |
| 9193 patcmd.sfname = sfname; | |
| 9194 patcmd.tail = tail; | |
| 9195 patcmd.event = event; | |
| 40 | 9196 patcmd.arg_bufnr = autocmd_bufnr; |
| 9197 patcmd.next = NULL; | |
| 7 | 9198 auto_next_pat(&patcmd, FALSE); |
| 9199 | |
| 9200 /* found one, start executing the autocommands */ | |
| 9201 if (patcmd.curpat != NULL) | |
| 9202 { | |
| 40 | 9203 /* add to active_apc_list */ |
| 9204 patcmd.next = active_apc_list; | |
| 9205 active_apc_list = &patcmd; | |
| 9206 | |
| 7 | 9207 #ifdef FEAT_EVAL |
| 9208 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9209 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9210 if (eap != NULL) | |
| 9211 { | |
| 9212 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9213 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9214 } | |
| 9215 else | |
| 9216 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9217 #endif | |
| 9218 retval = TRUE; | |
| 9219 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9220 * are added when executing autocommands */ | |
| 9221 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9222 ap->last = FALSE; | |
| 9223 ap->last = TRUE; | |
| 9224 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9225 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9226 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9227 #ifdef FEAT_EVAL | |
| 9228 if (eap != NULL) | |
| 9229 { | |
| 9230 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9231 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9232 } | |
| 9233 #endif | |
| 40 | 9234 /* delete from active_apc_list */ |
| 9235 if (active_apc_list == &patcmd) /* just in case */ | |
| 9236 active_apc_list = patcmd.next; | |
| 7 | 9237 } |
| 9238 | |
| 9239 --RedrawingDisabled; | |
| 9240 autocmd_busy = save_autocmd_busy; | |
| 9241 filechangeshell_busy = FALSE; | |
| 9242 autocmd_nested = save_autocmd_nested; | |
| 9243 vim_free(sourcing_name); | |
| 9244 sourcing_name = save_sourcing_name; | |
| 9245 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9246 vim_free(autocmd_fname); |
| 7 | 9247 autocmd_fname = save_autocmd_fname; |
| 1723 | 9248 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9249 autocmd_bufnr = save_autocmd_bufnr; |
| 9250 autocmd_match = save_autocmd_match; | |
| 9251 #ifdef FEAT_EVAL | |
| 9252 current_SID = save_current_SID; | |
| 9253 restore_funccal(save_funccalp); | |
| 170 | 9254 # ifdef FEAT_PROFILE |
| 788 | 9255 if (do_profiling == PROF_YES) |
| 170 | 9256 prof_child_exit(&wait_time); |
| 9257 # endif | |
| 7 | 9258 #endif |
| 9259 vim_free(fname); | |
| 9260 vim_free(sfname); | |
| 9261 --nesting; /* see matching increment above */ | |
| 9262 | |
| 9263 /* | |
| 9264 * When stopping to execute autocommands, restore the search patterns and | |
| 9265 * the redo buffer. | |
| 9266 */ | |
| 9267 if (!autocmd_busy) | |
| 9268 { | |
| 9269 restore_search_patterns(); | |
| 9270 restoreRedobuff(); | |
| 9271 did_filetype = FALSE; | |
| 9272 } | |
| 9273 | |
| 9274 /* | |
| 9275 * Some events don't set or reset the Changed flag. | |
| 9276 * Check if still in the same buffer! | |
| 9277 */ | |
| 9278 if (curbuf == old_curbuf | |
| 9279 && (event == EVENT_BUFREADPOST | |
| 9280 || event == EVENT_BUFWRITEPOST | |
| 9281 || event == EVENT_FILEAPPENDPOST | |
| 9282 || event == EVENT_VIMLEAVE | |
| 9283 || event == EVENT_VIMLEAVEPRE)) | |
| 9284 { | |
| 9285 #ifdef FEAT_TITLE | |
| 9286 if (curbuf->b_changed != save_changed) | |
| 9287 need_maketitle = TRUE; | |
| 9288 #endif | |
| 9289 curbuf->b_changed = save_changed; | |
| 9290 } | |
| 9291 | |
| 9292 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9293 |
| 9294 BYPASS_AU: | |
| 9295 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9296 * are deleted. */ | |
| 9297 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9298 aubuflocal_remove(buf); | |
| 9299 | |
| 7 | 9300 return retval; |
| 9301 } | |
| 9302 | |
| 1410 | 9303 # ifdef FEAT_EVAL |
| 9304 static char_u *old_termresponse = NULL; | |
| 9305 # endif | |
| 9306 | |
| 9307 /* | |
| 9308 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9309 * Can be used recursively, so long as it's symmetric. | |
| 9310 */ | |
| 9311 void | |
| 9312 block_autocmds() | |
| 9313 { | |
| 9314 # ifdef FEAT_EVAL | |
| 9315 /* Remember the value of v:termresponse. */ | |
| 9316 if (autocmd_blocked == 0) | |
| 9317 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9318 # endif | |
| 9319 ++autocmd_blocked; | |
| 9320 } | |
| 9321 | |
| 9322 void | |
| 9323 unblock_autocmds() | |
| 9324 { | |
| 9325 --autocmd_blocked; | |
| 9326 | |
| 9327 # ifdef FEAT_EVAL | |
| 9328 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9329 * the autocommands now. Esp. useful when executing a shell command | |
| 9330 * during startup (vimdiff). */ | |
| 9331 if (autocmd_blocked == 0 | |
| 9332 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9333 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9334 # endif | |
| 9335 } | |
| 9336 | |
| 7 | 9337 /* |
| 9338 * Find next autocommand pattern that matches. | |
| 9339 */ | |
| 9340 static void | |
| 9341 auto_next_pat(apc, stop_at_last) | |
| 9342 AutoPatCmd *apc; | |
| 9343 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9344 { | |
| 9345 AutoPat *ap; | |
| 9346 AutoCmd *cp; | |
| 9347 char_u *name; | |
| 9348 char *s; | |
| 9349 | |
| 9350 vim_free(sourcing_name); | |
| 9351 sourcing_name = NULL; | |
| 9352 | |
| 9353 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9354 { | |
| 9355 apc->curpat = NULL; | |
| 9356 | |
| 1723 | 9357 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9358 * the group matches. For buffer-local autocommands only check the |
| 9359 * buffer number. */ | |
| 7 | 9360 if (ap->pat != NULL && ap->cmds != NULL |
| 9361 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9362 { | |
| 40 | 9363 /* execution-condition */ |
| 9364 if (ap->buflocal_nr == 0 | |
| 153 | 9365 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9366 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9367 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9368 { |
| 9369 name = event_nr2name(apc->event); | |
| 9370 s = _("%s Auto commands for \"%s\""); | |
| 9371 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9372 + STRLEN(name) + ap->patlen + 1)); | |
| 9373 if (sourcing_name != NULL) | |
| 9374 { | |
| 9375 sprintf((char *)sourcing_name, s, | |
| 9376 (char *)name, (char *)ap->pat); | |
| 9377 if (p_verbose >= 8) | |
| 292 | 9378 { |
| 9379 verbose_enter(); | |
| 273 | 9380 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9381 verbose_leave(); |
| 9382 } | |
| 7 | 9383 } |
| 9384 | |
| 9385 apc->curpat = ap; | |
| 9386 apc->nextcmd = ap->cmds; | |
| 9387 /* mark last command */ | |
| 9388 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9389 cp->last = FALSE; | |
| 9390 cp->last = TRUE; | |
| 9391 } | |
| 9392 line_breakcheck(); | |
| 9393 if (apc->curpat != NULL) /* found a match */ | |
| 9394 break; | |
| 9395 } | |
| 9396 if (stop_at_last && ap->last) | |
| 9397 break; | |
| 9398 } | |
| 9399 } | |
| 9400 | |
| 9401 /* | |
| 9402 * Get next autocommand command. | |
| 9403 * Called by do_cmdline() to get the next line for ":if". | |
| 9404 * Returns allocated string, or NULL for end of autocommands. | |
| 9405 */ | |
| 9406 static char_u * | |
| 9407 getnextac(c, cookie, indent) | |
| 1880 | 9408 int c UNUSED; |
| 7 | 9409 void *cookie; |
| 1880 | 9410 int indent UNUSED; |
| 7 | 9411 { |
| 9412 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9413 char_u *retval; | |
| 9414 AutoCmd *ac; | |
| 9415 | |
| 9416 /* Can be called again after returning the last line. */ | |
| 9417 if (acp->curpat == NULL) | |
| 9418 return NULL; | |
| 9419 | |
| 9420 /* repeat until we find an autocommand to execute */ | |
| 9421 for (;;) | |
| 9422 { | |
| 9423 /* skip removed commands */ | |
| 9424 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9425 if (acp->nextcmd->last) | |
| 9426 acp->nextcmd = NULL; | |
| 9427 else | |
| 9428 acp->nextcmd = acp->nextcmd->next; | |
| 9429 | |
| 9430 if (acp->nextcmd != NULL) | |
| 9431 break; | |
| 9432 | |
| 9433 /* at end of commands, find next pattern that matches */ | |
| 9434 if (acp->curpat->last) | |
| 9435 acp->curpat = NULL; | |
| 9436 else | |
| 9437 acp->curpat = acp->curpat->next; | |
| 9438 if (acp->curpat != NULL) | |
| 9439 auto_next_pat(acp, TRUE); | |
| 9440 if (acp->curpat == NULL) | |
| 9441 return NULL; | |
| 9442 } | |
| 9443 | |
| 9444 ac = acp->nextcmd; | |
| 9445 | |
| 9446 if (p_verbose >= 9) | |
| 9447 { | |
| 292 | 9448 verbose_enter_scroll(); |
| 273 | 9449 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9450 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9451 verbose_leave_scroll(); |
| 7 | 9452 } |
| 9453 retval = vim_strsave(ac->cmd); | |
| 9454 autocmd_nested = ac->nested; | |
| 9455 #ifdef FEAT_EVAL | |
| 9456 current_SID = ac->scriptID; | |
| 9457 #endif | |
| 9458 if (ac->last) | |
| 9459 acp->nextcmd = NULL; | |
| 9460 else | |
| 9461 acp->nextcmd = ac->next; | |
| 9462 return retval; | |
| 9463 } | |
| 9464 | |
| 9465 /* | |
| 9466 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9467 * To account for buffer-local autocommands, function needs to know |
| 9468 * in which buffer the file will be opened. | |
| 7 | 9469 */ |
| 9470 int | |
| 40 | 9471 has_autocmd(event, sfname, buf) |
| 661 | 9472 event_T event; |
| 7 | 9473 char_u *sfname; |
| 40 | 9474 buf_T *buf; |
| 7 | 9475 { |
| 9476 AutoPat *ap; | |
| 9477 char_u *fname; | |
| 9478 char_u *tail = gettail(sfname); | |
| 9479 int retval = FALSE; | |
| 9480 | |
| 9481 fname = FullName_save(sfname, FALSE); | |
| 9482 if (fname == NULL) | |
| 9483 return FALSE; | |
| 9484 | |
| 9485 #ifdef BACKSLASH_IN_FILENAME | |
| 9486 /* | |
| 9487 * Replace all backslashes with forward slashes. This makes the | |
| 9488 * autocommand patterns portable between Unix and MS-DOS. | |
| 9489 */ | |
| 9490 sfname = vim_strsave(sfname); | |
| 9491 if (sfname != NULL) | |
| 9492 forward_slash(sfname); | |
| 9493 forward_slash(fname); | |
| 9494 #endif | |
| 9495 | |
| 9496 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9497 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9498 && (ap->buflocal_nr == 0 |
| 153 | 9499 ? match_file_pat(NULL, ap->reg_prog, |
| 9500 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9501 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9502 )) |
| 7 | 9503 { |
| 9504 retval = TRUE; | |
| 9505 break; | |
| 9506 } | |
| 9507 | |
| 9508 vim_free(fname); | |
| 9509 #ifdef BACKSLASH_IN_FILENAME | |
| 9510 vim_free(sfname); | |
| 9511 #endif | |
| 9512 | |
| 9513 return retval; | |
| 9514 } | |
| 9515 | |
| 9516 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9517 /* | |
| 9518 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9519 * names. | |
| 9520 */ | |
| 9521 char_u * | |
| 9522 get_augroup_name(xp, idx) | |
| 1880 | 9523 expand_T *xp UNUSED; |
| 7 | 9524 int idx; |
| 9525 { | |
| 9526 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9527 return (char_u *)"END"; | |
| 9528 if (idx >= augroups.ga_len) /* end of list */ | |
| 9529 return NULL; | |
| 9530 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9531 return (char_u *)""; | |
| 9532 return AUGROUP_NAME(idx); /* return a name */ | |
| 9533 } | |
| 9534 | |
| 9535 static int include_groups = FALSE; | |
| 9536 | |
| 9537 char_u * | |
| 9538 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9539 expand_T *xp; | |
| 9540 char_u *arg; | |
| 1733 | 9541 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9542 { |
| 9543 char_u *p; | |
| 9544 int group; | |
| 9545 | |
| 9546 /* check for a group name, skip it if present */ | |
| 9547 include_groups = FALSE; | |
| 9548 p = arg; | |
| 9549 group = au_get_grouparg(&arg); | |
| 9550 if (group == AUGROUP_ERROR) | |
| 9551 return NULL; | |
| 9552 /* If there only is a group name that's what we expand. */ | |
| 9553 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9554 { | |
| 9555 arg = p; | |
| 9556 group = AUGROUP_ALL; | |
| 9557 } | |
| 9558 | |
| 9559 /* skip over event name */ | |
| 9560 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9561 if (*p == ',') | |
| 9562 arg = p + 1; | |
| 9563 if (*p == NUL) | |
| 9564 { | |
| 9565 if (group == AUGROUP_ALL) | |
| 9566 include_groups = TRUE; | |
| 9567 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9568 xp->xp_pattern = arg; | |
| 9569 return NULL; | |
| 9570 } | |
| 9571 | |
| 9572 /* skip over pattern */ | |
| 9573 arg = skipwhite(p); | |
| 9574 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9575 arg++; | |
| 9576 if (*arg) | |
| 9577 return arg; /* expand (next) command */ | |
| 9578 | |
| 9579 if (doautocmd) | |
| 9580 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9581 else | |
| 9582 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9583 return NULL; | |
| 9584 } | |
| 9585 | |
| 9586 /* | |
| 9587 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9588 */ | |
| 9589 char_u * | |
| 9590 get_event_name(xp, idx) | |
| 1880 | 9591 expand_T *xp UNUSED; |
| 7 | 9592 int idx; |
| 9593 { | |
| 9594 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9595 { | |
| 9596 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9597 return (char_u *)""; /* skip deleted entries */ | |
| 9598 return AUGROUP_NAME(idx); /* return a name */ | |
| 9599 } | |
| 9600 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9601 } | |
| 9602 | |
| 9603 #endif /* FEAT_CMDL_COMPL */ | |
| 9604 | |
| 9605 /* | |
| 615 | 9606 * Return TRUE if autocmd is supported. |
| 9607 */ | |
| 9608 int | |
| 9609 autocmd_supported(name) | |
| 9610 char_u *name; | |
| 9611 { | |
| 9612 char_u *p; | |
| 9613 | |
| 9614 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9615 } | |
| 9616 | |
| 9617 /* | |
| 612 | 9618 * Return TRUE if an autocommand is defined for a group, event and |
| 9619 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9620 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9621 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9622 * Used for: | |
| 9623 * exists("#Group") or | |
| 9624 * exists("#Group#Event") or | |
| 9625 * exists("#Group#Event#pat") or | |
| 9626 * exists("#Event") or | |
| 9627 * exists("#Event#pat") | |
| 7 | 9628 */ |
| 9629 int | |
| 612 | 9630 au_exists(arg) |
| 9631 char_u *arg; | |
| 7 | 9632 { |
| 612 | 9633 char_u *arg_save; |
| 9634 char_u *pattern = NULL; | |
| 7 | 9635 char_u *event_name; |
| 9636 char_u *p; | |
| 661 | 9637 event_T event; |
| 7 | 9638 AutoPat *ap; |
| 40 | 9639 buf_T *buflocal_buf = NULL; |
| 612 | 9640 int group; |
| 9641 int retval = FALSE; | |
| 9642 | |
| 615 | 9643 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9644 arg_save = vim_strsave(arg); |
| 9645 if (arg_save == NULL) | |
| 9646 return FALSE; | |
| 615 | 9647 p = vim_strchr(arg_save, '#'); |
| 612 | 9648 if (p != NULL) |
| 9649 *p++ = NUL; | |
| 9650 | |
| 9651 /* First, look for an autocmd group name */ | |
| 9652 group = au_find_group(arg_save); | |
| 9653 if (group == AUGROUP_ERROR) | |
| 9654 { | |
| 9655 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9656 group = AUGROUP_ALL; | |
| 9657 event_name = arg_save; | |
| 9658 } | |
| 9659 else | |
| 9660 { | |
| 9661 if (p == NULL) | |
| 9662 { | |
| 9663 /* "Group": group name is present and it's recognized */ | |
| 9664 retval = TRUE; | |
| 9665 goto theend; | |
| 9666 } | |
| 9667 | |
| 9668 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9669 event_name = p; | |
| 9670 p = vim_strchr(event_name, '#'); | |
| 9671 if (p != NULL) | |
| 9672 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9673 } | |
| 9674 | |
| 9675 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9676 |
| 9677 /* find the index (enum) for the event name */ | |
| 9678 event = event_name2nr(event_name, &p); | |
| 9679 | |
| 9680 /* return FALSE if the event name is not recognized */ | |
| 612 | 9681 if (event == NUM_EVENTS) |
| 9682 goto theend; | |
| 7 | 9683 |
| 9684 /* Find the first autocommand for this event. | |
| 9685 * If there isn't any, return FALSE; | |
| 9686 * If there is one and no pattern given, return TRUE; */ | |
| 9687 ap = first_autopat[(int)event]; | |
| 9688 if (ap == NULL) | |
| 612 | 9689 goto theend; |
| 7 | 9690 |
| 40 | 9691 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9692 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9693 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9694 buflocal_buf = curbuf; |
| 9695 | |
| 7 | 9696 /* Check if there is an autocommand with the given pattern. */ |
| 9697 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9698 /* only use a pattern when it has not been removed and has commands. */ |
| 9699 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9700 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9701 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9702 && (pattern == NULL |
| 9703 || (buflocal_buf == NULL | |
| 9704 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9705 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9706 { |
| 9707 retval = TRUE; | |
| 9708 break; | |
| 9709 } | |
| 9710 | |
| 9711 theend: | |
| 9712 vim_free(arg_save); | |
| 9713 return retval; | |
| 7 | 9714 } |
| 40 | 9715 |
| 934 | 9716 #else /* FEAT_AUTOCMD */ |
| 9717 | |
| 9718 /* | |
| 9719 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9720 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9721 * "curbuf" and "curwin" to match "buf". | |
| 9722 */ | |
| 9723 void | |
| 9724 aucmd_prepbuf(aco, buf) | |
| 9725 aco_save_T *aco; /* structure to save values in */ | |
| 9726 buf_T *buf; /* new curbuf */ | |
| 9727 { | |
| 1906 | 9728 aco->save_curbuf = curbuf; |
| 9729 --curbuf->b_nwindows; | |
| 934 | 9730 curbuf = buf; |
| 9731 curwin->w_buffer = buf; | |
| 1906 | 9732 ++curbuf->b_nwindows; |
| 934 | 9733 } |
| 9734 | |
| 9735 /* | |
| 9736 * Restore after executing commands for a (hidden) buffer. | |
| 9737 * This is the non-autocommand version. | |
| 9738 */ | |
| 9739 void | |
| 9740 aucmd_restbuf(aco) | |
| 9741 aco_save_T *aco; /* structure holding saved values */ | |
| 9742 { | |
| 1906 | 9743 --curbuf->b_nwindows; |
| 9744 curbuf = aco->save_curbuf; | |
| 934 | 9745 curwin->w_buffer = curbuf; |
| 1906 | 9746 ++curbuf->b_nwindows; |
| 934 | 9747 } |
| 9748 | |
| 7 | 9749 #endif /* FEAT_AUTOCMD */ |
| 9750 | |
| 934 | 9751 |
| 7 | 9752 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 9753 /* | |
| 153 | 9754 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 9755 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 9756 * vim_regcomp() often. | |
| 7 | 9757 * Used for autocommands and 'wildignore'. |
| 9758 * Returns TRUE if there is a match, FALSE otherwise. | |
| 9759 */ | |
| 9760 int | |
| 153 | 9761 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 9762 char_u *pattern; /* pattern to match with */ |
| 153 | 9763 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 9764 char_u *fname; /* full path of file name */ |
| 9765 char_u *sfname; /* short file name or NULL */ | |
| 9766 char_u *tail; /* tail of path */ | |
| 9767 int allow_dirs; /* allow matching with dir */ | |
| 9768 { | |
| 9769 regmatch_T regmatch; | |
| 9770 int result = FALSE; | |
| 9771 #ifdef FEAT_OSFILETYPE | |
| 9772 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 9773 char_u *type_start; | |
| 9774 char_u c; | |
| 9775 int match = FALSE; | |
| 9776 #endif | |
| 9777 | |
| 9778 #ifdef CASE_INSENSITIVE_FILENAME | |
| 9779 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
| 9780 #else | |
| 9781 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
| 9782 #endif | |
| 9783 #ifdef FEAT_OSFILETYPE | |
| 9784 if (*pattern == '<') | |
| 9785 { | |
| 9786 /* There is a filetype condition specified with this pattern. | |
| 9787 * Check the filetype matches first. If not, don't bother with the | |
| 9788 * pattern (set regprog to NULL). | |
| 9789 * Always use magic for the regexp. | |
| 9790 */ | |
| 9791 | |
| 9792 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 9793 { | |
| 9794 if ((c == ';' || c == '>') && match == FALSE) | |
| 9795 { | |
| 9796 *pattern = NUL; /* Terminate the string */ | |
| 9797 match = mch_check_filetype(fname, type_start); | |
| 9798 *pattern = c; /* Restore the terminator */ | |
| 9799 type_start = pattern + 1; | |
| 9800 } | |
| 9801 if (c == '>') | |
| 9802 break; | |
| 9803 } | |
| 9804 | |
| 9805 /* (c should never be NUL, but check anyway) */ | |
| 9806 if (match == FALSE || c == NUL) | |
| 9807 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 9808 else if (*pattern == NUL) | |
| 9809 { | |
| 9810 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 9811 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 9812 } | |
| 9813 else | |
| 9814 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 9815 } | |
| 9816 else | |
| 9817 #endif | |
| 153 | 9818 { |
| 9819 if (prog != NULL) | |
| 9820 regmatch.regprog = prog; | |
| 9821 else | |
| 9822 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 9823 } | |
| 7 | 9824 |
| 9825 /* | |
| 9826 * Try for a match with the pattern with: | |
| 9827 * 1. the full file name, when the pattern has a '/'. | |
| 9828 * 2. the short file name, when the pattern has a '/'. | |
| 9829 * 3. the tail of the file name, when the pattern has no '/'. | |
| 9830 */ | |
| 9831 if ( | |
| 9832 #ifdef FEAT_OSFILETYPE | |
| 9833 /* If the check is for a filetype only and we don't care | |
| 9834 * about the path then skip all the regexp stuff. | |
| 9835 */ | |
| 9836 no_pattern || | |
| 9837 #endif | |
| 9838 (regmatch.regprog != NULL | |
| 9839 && ((allow_dirs | |
| 9840 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 9841 || (sfname != NULL | |
| 9842 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 9843 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 9844 result = TRUE; | |
| 9845 | |
| 153 | 9846 if (prog == NULL) |
| 9847 vim_free(regmatch.regprog); | |
| 7 | 9848 return result; |
| 9849 } | |
| 9850 #endif | |
| 9851 | |
| 9852 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 9853 /* | |
| 9854 * Return TRUE if a file matches with a pattern in "list". | |
| 9855 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 9856 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 9857 */ | |
| 9858 int | |
| 9859 match_file_list(list, sfname, ffname) | |
| 9860 char_u *list; | |
| 9861 char_u *sfname; | |
| 9862 char_u *ffname; | |
| 9863 { | |
| 9864 char_u buf[100]; | |
| 9865 char_u *tail; | |
| 9866 char_u *regpat; | |
| 9867 char allow_dirs; | |
| 9868 int match; | |
| 9869 char_u *p; | |
| 9870 | |
| 9871 tail = gettail(sfname); | |
| 9872 | |
| 9873 /* try all patterns in 'wildignore' */ | |
| 9874 p = list; | |
| 9875 while (*p) | |
| 9876 { | |
| 9877 copy_option_part(&p, buf, 100, ","); | |
| 9878 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 9879 if (regpat == NULL) | |
| 9880 break; | |
| 153 | 9881 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 9882 tail, (int)allow_dirs); | |
| 7 | 9883 vim_free(regpat); |
| 9884 if (match) | |
| 9885 return TRUE; | |
| 9886 } | |
| 9887 return FALSE; | |
| 9888 } | |
| 9889 #endif | |
| 9890 | |
| 9891 /* | |
| 9892 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 9893 * a regular expression, and return the result in allocated memory. If there | |
| 9894 * is a directory path separator to be matched, then TRUE is put in | |
| 9895 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 9896 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 9897 * | |
| 9898 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 9899 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 9900 * | |
| 9901 * Returns NULL when out of memory. | |
| 9902 */ | |
| 9903 char_u * | |
| 9904 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 9905 char_u *pat; | |
| 9906 char_u *pat_end; /* first char after pattern or NULL */ | |
| 9907 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 9908 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 9909 { |
| 9910 int size; | |
| 9911 char_u *endp; | |
| 9912 char_u *reg_pat; | |
| 9913 char_u *p; | |
| 9914 int i; | |
| 9915 int nested = 0; | |
| 9916 int add_dollar = TRUE; | |
| 9917 #ifdef FEAT_OSFILETYPE | |
| 9918 int check_length = 0; | |
| 9919 #endif | |
| 9920 | |
| 9921 if (allow_dirs != NULL) | |
| 9922 *allow_dirs = FALSE; | |
| 9923 if (pat_end == NULL) | |
| 9924 pat_end = pat + STRLEN(pat); | |
| 9925 | |
| 9926 #ifdef FEAT_OSFILETYPE | |
| 9927 /* Find out how much of the string is the filetype check */ | |
| 9928 if (*pat == '<') | |
| 9929 { | |
| 9930 /* Count chars until the next '>' */ | |
| 9931 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 9932 ; | |
| 9933 if (p < pat_end) | |
| 9934 { | |
| 9935 /* Pattern is of the form <.*>.* */ | |
| 9936 check_length = p - pat + 1; | |
| 9937 if (p + 1 >= pat_end) | |
| 9938 { | |
| 9939 /* The 'pattern' is a filetype check ONLY */ | |
| 9940 reg_pat = (char_u *)alloc(check_length + 1); | |
| 9941 if (reg_pat != NULL) | |
| 9942 { | |
| 9943 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 9944 reg_pat[check_length] = NUL; | |
| 9945 } | |
| 9946 return reg_pat; | |
| 9947 } | |
| 9948 } | |
| 9949 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 9950 | |
| 9951 } | |
| 9952 pat += check_length; | |
| 9953 size = 2 + check_length; | |
| 9954 #else | |
| 9955 size = 2; /* '^' at start, '$' at end */ | |
| 9956 #endif | |
| 9957 | |
| 9958 for (p = pat; p < pat_end; p++) | |
| 9959 { | |
| 9960 switch (*p) | |
| 9961 { | |
| 9962 case '*': | |
| 9963 case '.': | |
| 9964 case ',': | |
| 9965 case '{': | |
| 9966 case '}': | |
| 9967 case '~': | |
| 9968 size += 2; /* extra backslash */ | |
| 9969 break; | |
| 9970 #ifdef BACKSLASH_IN_FILENAME | |
| 9971 case '\\': | |
| 9972 case '/': | |
| 9973 size += 4; /* could become "[\/]" */ | |
| 9974 break; | |
| 9975 #endif | |
| 9976 default: | |
| 9977 size++; | |
| 9978 # ifdef FEAT_MBYTE | |
| 474 | 9979 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 9980 { |
| 9981 ++p; | |
| 9982 ++size; | |
| 9983 } | |
| 9984 # endif | |
| 9985 break; | |
| 9986 } | |
| 9987 } | |
| 9988 reg_pat = alloc(size + 1); | |
| 9989 if (reg_pat == NULL) | |
| 9990 return NULL; | |
| 9991 | |
| 9992 #ifdef FEAT_OSFILETYPE | |
| 9993 /* Copy the type check in to the start. */ | |
| 9994 if (check_length) | |
| 9995 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 9996 i = check_length; | |
| 9997 #else | |
| 9998 i = 0; | |
| 9999 #endif | |
| 10000 | |
| 10001 if (pat[0] == '*') | |
| 10002 while (pat[0] == '*' && pat < pat_end - 1) | |
| 10003 pat++; | |
| 10004 else | |
| 10005 reg_pat[i++] = '^'; | |
| 10006 endp = pat_end - 1; | |
| 10007 if (*endp == '*') | |
| 10008 { | |
| 10009 while (endp - pat > 0 && *endp == '*') | |
| 10010 endp--; | |
| 10011 add_dollar = FALSE; | |
| 10012 } | |
| 10013 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 10014 { | |
| 10015 switch (*p) | |
| 10016 { | |
| 10017 case '*': | |
| 10018 reg_pat[i++] = '.'; | |
| 10019 reg_pat[i++] = '*'; | |
| 444 | 10020 while (p[1] == '*') /* "**" matches like "*" */ |
| 10021 ++p; | |
| 7 | 10022 break; |
| 10023 case '.': | |
| 10024 #ifdef RISCOS | |
| 10025 if (allow_dirs != NULL) | |
| 10026 *allow_dirs = TRUE; | |
| 10027 /* FALLTHROUGH */ | |
| 10028 #endif | |
| 10029 case '~': | |
| 10030 reg_pat[i++] = '\\'; | |
| 10031 reg_pat[i++] = *p; | |
| 10032 break; | |
| 10033 case '?': | |
| 10034 #ifdef RISCOS | |
| 10035 case '#': | |
| 10036 #endif | |
| 10037 reg_pat[i++] = '.'; | |
| 10038 break; | |
| 10039 case '\\': | |
| 10040 if (p[1] == NUL) | |
| 10041 break; | |
| 10042 #ifdef BACKSLASH_IN_FILENAME | |
| 10043 if (!no_bslash) | |
| 10044 { | |
| 10045 /* translate: | |
| 10046 * "\x" to "\\x" e.g., "dir\file" | |
| 10047 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 10048 * "\?" to "\\." e.g., "dir\??.c" | |
| 10049 * "\+" to "\+" e.g., "fileX\+.c" | |
| 10050 */ | |
| 10051 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 10052 && p[1] != '+') | |
| 10053 { | |
| 10054 reg_pat[i++] = '['; | |
| 10055 reg_pat[i++] = '\\'; | |
| 10056 reg_pat[i++] = '/'; | |
| 10057 reg_pat[i++] = ']'; | |
| 10058 if (allow_dirs != NULL) | |
| 10059 *allow_dirs = TRUE; | |
| 10060 break; | |
| 10061 } | |
| 10062 } | |
| 10063 #endif | |
| 10064 if (*++p == '?' | |
| 10065 #ifdef BACKSLASH_IN_FILENAME | |
| 10066 && no_bslash | |
| 10067 #endif | |
| 10068 ) | |
| 10069 reg_pat[i++] = '?'; | |
| 10070 else | |
| 10071 if (*p == ',') | |
| 10072 reg_pat[i++] = ','; | |
| 10073 else | |
| 10074 { | |
| 10075 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 10076 #ifdef BACKSLASH_IN_FILENAME | |
| 10077 && (!no_bslash || *p != '\\') | |
| 10078 #endif | |
| 10079 ) | |
| 10080 *allow_dirs = TRUE; | |
| 10081 reg_pat[i++] = '\\'; | |
| 10082 reg_pat[i++] = *p; | |
| 10083 } | |
| 10084 break; | |
| 10085 #ifdef BACKSLASH_IN_FILENAME | |
| 10086 case '/': | |
| 10087 reg_pat[i++] = '['; | |
| 10088 reg_pat[i++] = '\\'; | |
| 10089 reg_pat[i++] = '/'; | |
| 10090 reg_pat[i++] = ']'; | |
| 10091 if (allow_dirs != NULL) | |
| 10092 *allow_dirs = TRUE; | |
| 10093 break; | |
| 10094 #endif | |
| 10095 case '{': | |
| 10096 reg_pat[i++] = '\\'; | |
| 10097 reg_pat[i++] = '('; | |
| 10098 nested++; | |
| 10099 break; | |
| 10100 case '}': | |
| 10101 reg_pat[i++] = '\\'; | |
| 10102 reg_pat[i++] = ')'; | |
| 10103 --nested; | |
| 10104 break; | |
| 10105 case ',': | |
| 10106 if (nested) | |
| 10107 { | |
| 10108 reg_pat[i++] = '\\'; | |
| 10109 reg_pat[i++] = '|'; | |
| 10110 } | |
| 10111 else | |
| 10112 reg_pat[i++] = ','; | |
| 10113 break; | |
| 10114 default: | |
| 10115 # ifdef FEAT_MBYTE | |
| 474 | 10116 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10117 reg_pat[i++] = *p++; |
| 10118 else | |
| 10119 # endif | |
| 10120 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 10121 *allow_dirs = TRUE; | |
| 10122 reg_pat[i++] = *p; | |
| 10123 break; | |
| 10124 } | |
| 10125 } | |
| 10126 if (add_dollar) | |
| 10127 reg_pat[i++] = '$'; | |
| 10128 reg_pat[i] = NUL; | |
| 10129 if (nested != 0) | |
| 10130 { | |
| 10131 if (nested < 0) | |
| 10132 EMSG(_("E219: Missing {.")); | |
| 10133 else | |
| 10134 EMSG(_("E220: Missing }.")); | |
| 10135 vim_free(reg_pat); | |
| 10136 reg_pat = NULL; | |
| 10137 } | |
| 10138 return reg_pat; | |
| 10139 } |