Mercurial > vim
annotate src/fileio.c @ 2266:ae2e615a7320 vim73
Fix tiny build, move functions to undo.c.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Mon, 14 Jun 2010 01:39:13 +0200 |
| parents | b7cb69ab616d |
| children | c08f91142c41 |
| 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! */ |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
40 |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
41 /* For blowfish, after the magic header, we store 8 bytes of salt and then 8 |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
42 * bytes of seed (initialisation vector). */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
43 static int crypt_salt_len[] = {0, 8}; |
|
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
|
44 static int crypt_seed_len[] = {0, 8}; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
45 #define CRYPT_SALT_LEN_MAX 8 |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
46 #define CRYPT_SEED_LEN_MAX 8 |
| 7 | 47 #endif |
| 48 | |
| 49 /* Is there any system that doesn't have access()? */ | |
| 574 | 50 #define USE_MCH_ACCESS |
| 7 | 51 |
| 1313 | 52 #if defined(sun) && defined(S_ISCHR) |
| 53 # define OPEN_CHR_FILES | |
| 54 static int is_dev_fd_file(char_u *fname); | |
| 55 #endif | |
| 7 | 56 #ifdef FEAT_MBYTE |
| 57 static char_u *next_fenc __ARGS((char_u **pp)); | |
| 58 # ifdef FEAT_EVAL | |
| 59 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
| 60 # endif | |
| 61 #endif | |
| 62 #ifdef FEAT_VIMINFO | |
| 63 static void check_marks_read __ARGS((void)); | |
| 64 #endif | |
| 65 #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
|
66 static int get_crypt_method __ARGS((char *ptr, int len)); |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
67 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, off_t *filesizep, int newfile, int *did_ask)); |
| 7 | 68 #endif |
| 69 #ifdef UNIX | |
| 70 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
| 71 #endif | |
| 633 | 72 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
| 7 | 73 static int msg_add_fileformat __ARGS((int eol_type)); |
| 74 static void msg_add_eol __ARGS((void)); | |
| 75 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
| 76 static int time_differs __ARGS((long t1, long t2)); | |
| 77 #ifdef FEAT_AUTOCMD | |
| 661 | 78 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 | 79 static int au_find_group __ARGS((char_u *name)); |
| 80 | |
| 81 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
| 1834 | 82 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
| 676 | 83 # define AUGROUP_ALL -3 /* all autocmd groups */ |
| 7 | 84 #endif |
| 85 | |
| 86 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
| 87 # define HAS_BW_FLAGS | |
| 88 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
| 89 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
| 90 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
| 91 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
| 92 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
| 93 # ifdef WIN3264 | |
| 94 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
| 95 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
| 96 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
| 97 # endif | |
| 98 # ifdef MACOS_X | |
| 99 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
| 100 # endif | |
| 101 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
| 102 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
| 103 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
| 104 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
| 105 # define FIO_ALL -1 /* allow all formats */ | |
| 106 #endif | |
| 107 | |
| 108 /* When converting, a read() or write() may leave some bytes to be converted | |
| 109 * for the next call. The value is guessed... */ | |
| 110 #define CONV_RESTLEN 30 | |
| 111 | |
| 112 /* We have to guess how much a sequence of bytes may expand when converting | |
| 113 * with iconv() to be able to allocate a buffer. */ | |
| 114 #define ICONV_MULT 8 | |
| 115 | |
| 116 /* | |
| 117 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
| 118 */ | |
| 119 struct bw_info | |
| 120 { | |
| 121 int bw_fd; /* file descriptor */ | |
| 122 char_u *bw_buf; /* buffer with data to be written */ | |
| 1411 | 123 int bw_len; /* length of data */ |
| 7 | 124 #ifdef HAS_BW_FLAGS |
| 125 int bw_flags; /* FIO_ flags */ | |
| 126 #endif | |
| 127 #ifdef FEAT_MBYTE | |
| 128 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
| 129 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
| 130 int bw_first; /* first write call */ | |
| 131 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
| 132 int bw_conv_buflen; /* size of bw_conv_buf */ | |
| 133 int bw_conv_error; /* set for conversion error */ | |
| 1947 | 134 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
| 135 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
| 7 | 136 # ifdef USE_ICONV |
| 137 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
| 138 # endif | |
| 139 #endif | |
| 140 }; | |
| 141 | |
| 142 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
| 143 | |
| 144 #ifdef FEAT_MBYTE | |
| 595 | 145 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
| 7 | 146 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
| 1948 | 147 static int need_conversion __ARGS((char_u *fenc)); |
| 7 | 148 static int get_fio_flags __ARGS((char_u *ptr)); |
| 149 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
| 150 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
| 151 # ifdef WIN3264 | |
| 152 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
| 153 # endif | |
| 154 # ifdef MACOS_X | |
| 155 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
| 156 # endif | |
| 157 #endif | |
| 158 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
| 2006 | 159 #ifdef TEMPDIRNAMES |
| 1997 | 160 static void vim_settempdir __ARGS((char_u *tempdir)); |
| 2006 | 161 #endif |
| 1834 | 162 #ifdef FEAT_AUTOCMD |
| 163 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
| 164 #endif | |
| 595 | 165 |
| 7 | 166 void |
| 167 filemess(buf, name, s, attr) | |
| 168 buf_T *buf; | |
| 169 char_u *name; | |
| 170 char_u *s; | |
| 171 int attr; | |
| 172 { | |
| 173 int msg_scroll_save; | |
| 174 | |
| 175 if (msg_silent != 0) | |
| 176 return; | |
| 177 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
| 178 /* If it's extremely long, truncate it. */ | |
| 179 if (STRLEN(IObuff) > IOSIZE - 80) | |
| 180 IObuff[IOSIZE - 80] = NUL; | |
| 181 STRCAT(IObuff, s); | |
| 182 /* | |
| 183 * For the first message may have to start a new line. | |
| 184 * For further ones overwrite the previous one, reset msg_scroll before | |
| 185 * calling filemess(). | |
| 186 */ | |
| 187 msg_scroll_save = msg_scroll; | |
| 188 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
| 189 msg_scroll = FALSE; | |
| 190 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
| 191 check_for_delay(FALSE); | |
| 192 msg_start(); | |
| 193 msg_scroll = msg_scroll_save; | |
| 194 msg_scrolled_ign = TRUE; | |
| 195 /* may truncate the message to avoid a hit-return prompt */ | |
| 196 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
| 197 msg_clr_eos(); | |
| 198 out_flush(); | |
| 199 msg_scrolled_ign = FALSE; | |
| 200 } | |
| 201 | |
| 202 /* | |
| 203 * Read lines from file "fname" into the buffer after line "from". | |
| 204 * | |
| 205 * 1. We allocate blocks with lalloc, as big as possible. | |
| 206 * 2. Each block is filled with characters from the file with a single read(). | |
| 207 * 3. The lines are inserted in the buffer with ml_append(). | |
| 208 * | |
| 209 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
| 210 * | |
| 211 * "lines_to_skip" is the number of lines that must be skipped | |
| 212 * "lines_to_read" is the number of lines that are appended | |
| 213 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
| 214 * | |
| 215 * flags: | |
| 216 * READ_NEW starting to edit a new buffer | |
| 217 * READ_FILTER reading filter output | |
| 218 * READ_STDIN read from stdin instead of a file | |
| 219 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
| 220 * stdin) | |
| 221 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
| 222 * | |
| 223 * return FAIL for failure, OK otherwise | |
| 224 */ | |
| 225 int | |
| 226 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
| 227 char_u *fname; | |
| 228 char_u *sfname; | |
| 229 linenr_T from; | |
| 230 linenr_T lines_to_skip; | |
| 231 linenr_T lines_to_read; | |
| 232 exarg_T *eap; /* can be NULL! */ | |
| 233 int flags; | |
| 234 { | |
| 235 int fd = 0; | |
| 236 int newfile = (flags & READ_NEW); | |
| 237 int check_readonly; | |
| 238 int filtering = (flags & READ_FILTER); | |
| 239 int read_stdin = (flags & READ_STDIN); | |
| 240 int read_buffer = (flags & READ_BUFFER); | |
| 1486 | 241 int set_options = newfile || read_buffer |
| 242 || (eap != NULL && eap->read_edit); | |
| 7 | 243 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
| 244 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
| 245 char_u c; | |
| 246 linenr_T lnum = from; | |
| 247 char_u *ptr = NULL; /* pointer into read buffer */ | |
| 248 char_u *buffer = NULL; /* read buffer */ | |
| 249 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
| 250 char_u *line_start = NULL; /* init to shut up gcc */ | |
| 251 int wasempty; /* buffer was empty before reading */ | |
| 252 colnr_T len; | |
| 253 long size = 0; | |
| 254 char_u *p; | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
255 off_t filesize = 0; |
| 7 | 256 int skip_read = FALSE; |
| 257 #ifdef FEAT_CRYPT | |
| 258 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
|
259 int did_ask_for_key = FALSE; |
| 7 | 260 #endif |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
261 #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
|
262 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
|
263 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
|
264 #endif |
| 7 | 265 int split = 0; /* number of split lines */ |
| 266 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
| 267 linenr_T linecnt; | |
| 268 int error = FALSE; /* errors encountered */ | |
| 269 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
| 270 long linerest = 0; /* remaining chars in line */ | |
| 271 #ifdef UNIX | |
| 272 int perm = 0; | |
| 273 int swap_mode = -1; /* protection bits for swap file */ | |
| 274 #else | |
| 275 int perm; | |
| 276 #endif | |
| 277 int fileformat = 0; /* end-of-line format */ | |
| 278 int keep_fileformat = FALSE; | |
| 279 struct stat st; | |
| 280 int file_readonly; | |
| 281 linenr_T skip_count = 0; | |
| 282 linenr_T read_count = 0; | |
| 283 int msg_save = msg_scroll; | |
| 284 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
| 285 * last read was missing the eol */ | |
| 286 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
| 287 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
| 288 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
| 289 int file_rewind = FALSE; | |
| 290 #ifdef FEAT_MBYTE | |
| 291 int can_retry; | |
| 595 | 292 linenr_T conv_error = 0; /* line nr with conversion error */ |
| 293 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
| 7 | 294 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
| 295 in destination encoding */ | |
| 595 | 296 int bad_char_behavior = BAD_REPLACE; |
| 297 /* BAD_KEEP, BAD_DROP or character to | |
| 298 * replace with */ | |
| 7 | 299 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
| 300 int fio_flags = 0; | |
| 301 char_u *fenc; /* fileencoding to use */ | |
| 302 int fenc_alloced; /* fenc_next is in allocated memory */ | |
| 303 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
| 304 int advance_fenc = FALSE; | |
| 305 long real_size = 0; | |
| 306 # ifdef USE_ICONV | |
| 307 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
| 308 # ifdef FEAT_EVAL | |
| 309 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
| 310 'charconvert' next */ | |
| 311 # endif | |
| 312 # endif | |
| 313 int converted = FALSE; /* TRUE if conversion done */ | |
| 314 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
| 315 wasn't possible */ | |
| 316 char_u conv_rest[CONV_RESTLEN]; | |
| 317 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
| 318 #endif | |
| 319 | |
| 1834 | 320 #ifdef FEAT_AUTOCMD |
| 321 /* Remember the initial values of curbuf, curbuf->b_ffname and | |
| 322 * curbuf->b_fname to detect whether they are altered as a result of | |
| 323 * executing nasty autocommands. Also check if "fname" and "sfname" | |
| 324 * point to one of these values. */ | |
| 325 buf_T *old_curbuf = curbuf; | |
| 326 char_u *old_b_ffname = curbuf->b_ffname; | |
| 327 char_u *old_b_fname = curbuf->b_fname; | |
| 328 int using_b_ffname = (fname == curbuf->b_ffname) | |
| 329 || (sfname == curbuf->b_ffname); | |
| 330 int using_b_fname = (fname == curbuf->b_fname) | |
| 331 || (sfname == curbuf->b_fname); | |
| 332 #endif | |
| 7 | 333 write_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 334 | |
| 335 /* | |
| 336 * If there is no file name yet, use the one for the read file. | |
| 337 * BF_NOTEDITED is set to reflect this. | |
| 338 * Don't do this for a read from a filter. | |
| 339 * Only do this when 'cpoptions' contains the 'f' flag. | |
| 340 */ | |
| 341 if (curbuf->b_ffname == NULL | |
| 342 && !filtering | |
| 343 && fname != NULL | |
| 344 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
| 345 && !(flags & READ_DUMMY)) | |
| 346 { | |
| 633 | 347 if (set_rw_fname(fname, sfname) == FAIL) |
| 348 return FAIL; | |
| 7 | 349 } |
| 350 | |
| 167 | 351 /* After reading a file the cursor line changes but we don't want to |
| 352 * display the line. */ | |
| 353 ex_no_reprint = TRUE; | |
| 354 | |
| 968 | 355 /* don't display the file info for another buffer now */ |
| 356 need_fileinfo = FALSE; | |
| 357 | |
| 7 | 358 /* |
| 359 * For Unix: Use the short file name whenever possible. | |
| 360 * Avoids problems with networks and when directory names are changed. | |
| 361 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 362 * another directory, which we don't detect. | |
| 363 */ | |
| 364 if (sfname == NULL) | |
| 365 sfname = fname; | |
| 366 #if defined(UNIX) || defined(__EMX__) | |
| 367 fname = sfname; | |
| 368 #endif | |
| 369 | |
| 370 #ifdef FEAT_AUTOCMD | |
| 371 /* | |
| 372 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
| 373 * executing the associated commands instead. | |
| 374 */ | |
| 375 if (!filtering && !read_stdin && !read_buffer) | |
| 376 { | |
| 377 pos_T pos; | |
| 378 | |
| 379 pos = curbuf->b_op_start; | |
| 380 | |
| 381 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
| 382 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 383 curbuf->b_op_start.col = 0; | |
| 384 | |
| 385 if (newfile) | |
| 386 { | |
| 387 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
| 388 FALSE, curbuf, eap)) | |
| 389 #ifdef FEAT_EVAL | |
| 390 return aborting() ? FAIL : OK; | |
| 391 #else | |
| 392 return OK; | |
| 393 #endif | |
| 394 } | |
| 395 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
| 396 FALSE, NULL, eap)) | |
| 397 #ifdef FEAT_EVAL | |
| 398 return aborting() ? FAIL : OK; | |
| 399 #else | |
| 400 return OK; | |
| 401 #endif | |
| 402 | |
| 403 curbuf->b_op_start = pos; | |
| 404 } | |
| 405 #endif | |
| 406 | |
| 407 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
| 408 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 409 else | |
| 410 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 411 | |
| 412 /* | |
| 413 * If the name ends in a path separator, we can't open it. Check here, | |
| 414 * because reading the file may actually work, but then creating the swap | |
| 415 * file may destroy it! Reported on MS-DOS and Win 95. | |
| 416 * If the name is too long we might crash further on, quit here. | |
| 417 */ | |
| 23 | 418 if (fname != NULL && *fname != NUL) |
| 419 { | |
| 39 | 420 p = fname + STRLEN(fname); |
| 421 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
| 23 | 422 { |
| 423 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
| 424 msg_end(); | |
| 425 msg_scroll = msg_save; | |
| 426 return FAIL; | |
| 427 } | |
| 7 | 428 } |
| 429 | |
| 430 #ifdef UNIX | |
| 431 /* | |
| 432 * On Unix it is possible to read a directory, so we have to | |
| 433 * check for it before the mch_open(). | |
| 434 */ | |
| 435 if (!read_stdin && !read_buffer) | |
| 436 { | |
| 437 perm = mch_getperm(fname); | |
| 438 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
| 439 # ifdef S_ISFIFO | |
| 440 && !S_ISFIFO(perm) /* ... or fifo */ | |
| 441 # endif | |
| 442 # ifdef S_ISSOCK | |
| 443 && !S_ISSOCK(perm) /* ... or socket */ | |
| 444 # endif | |
| 1313 | 445 # ifdef OPEN_CHR_FILES |
| 446 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
| 447 /* ... or a character special file named /dev/fd/<n> */ | |
| 448 # endif | |
| 7 | 449 ) |
| 450 { | |
| 451 if (S_ISDIR(perm)) | |
| 452 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
| 453 else | |
| 454 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
| 455 msg_end(); | |
| 456 msg_scroll = msg_save; | |
| 457 return FAIL; | |
| 458 } | |
| 1006 | 459 |
| 460 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 461 /* | |
| 462 * MS-Windows allows opening a device, but we will probably get stuck | |
| 463 * trying to read it. | |
| 464 */ | |
| 465 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
| 466 { | |
| 1303 | 467 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
| 1006 | 468 msg_end(); |
| 469 msg_scroll = msg_save; | |
| 470 return FAIL; | |
| 471 } | |
| 472 # endif | |
| 1004 | 473 } |
| 474 #endif | |
| 475 | |
| 7 | 476 /* set default 'fileformat' */ |
| 819 | 477 if (set_options) |
| 7 | 478 { |
| 479 if (eap != NULL && eap->force_ff != 0) | |
| 480 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
| 481 else if (*p_ffs != NUL) | |
| 482 set_fileformat(default_fileformat(), OPT_LOCAL); | |
| 483 } | |
| 484 | |
| 485 /* set or reset 'binary' */ | |
| 486 if (eap != NULL && eap->force_bin != 0) | |
| 487 { | |
| 488 int oldval = curbuf->b_p_bin; | |
| 489 | |
| 490 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
| 491 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
| 492 } | |
| 493 | |
| 494 /* | |
| 495 * When opening a new file we take the readonly flag from the file. | |
| 496 * Default is r/w, can be set to r/o below. | |
| 497 * Don't reset it when in readonly mode | |
| 498 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 499 */ | |
| 500 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 501 if (check_readonly && !readonlymode) |
| 7 | 502 curbuf->b_p_ro = FALSE; |
| 503 | |
| 504 if (newfile && !read_stdin && !read_buffer) | |
| 505 { | |
| 506 /* Remember time of file. | |
| 507 * For RISCOS, also remember the filetype. | |
| 508 */ | |
| 509 if (mch_stat((char *)fname, &st) >= 0) | |
| 510 { | |
| 511 buf_store_time(curbuf, &st, fname); | |
| 512 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 513 | |
| 514 #if defined(RISCOS) && defined(FEAT_OSFILETYPE) | |
| 515 /* Read the filetype into the buffer local filetype option. */ | |
| 516 mch_read_filetype(fname); | |
| 517 #endif | |
| 518 #ifdef UNIX | |
| 519 /* | |
| 520 * Use the protection bits of the original file for the swap file. | |
| 521 * This makes it possible for others to read the name of the | |
| 522 * edited file from the swapfile, but only if they can read the | |
| 523 * edited file. | |
| 524 * Remove the "write" and "execute" bits for group and others | |
| 525 * (they must not write the swapfile). | |
| 526 * Add the "read" and "write" bits for the user, otherwise we may | |
| 527 * not be able to write to the file ourselves. | |
| 528 * Setting the bits is done below, after creating the swap file. | |
| 529 */ | |
| 530 swap_mode = (st.st_mode & 0644) | 0600; | |
| 531 #endif | |
| 532 #ifdef FEAT_CW_EDITOR | |
| 533 /* Get the FSSpec on MacOS | |
| 534 * TODO: Update it properly when the buffer name changes | |
| 535 */ | |
| 536 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 537 #endif | |
| 538 #ifdef VMS | |
| 539 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 540 curbuf->b_fab_rat = st.st_fab_rat; |
| 541 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 542 #endif |
| 543 } | |
| 544 else | |
| 545 { | |
| 546 curbuf->b_mtime = 0; | |
| 547 curbuf->b_mtime_read = 0; | |
| 548 curbuf->b_orig_size = 0; | |
| 549 curbuf->b_orig_mode = 0; | |
| 550 } | |
| 551 | |
| 552 /* Reset the "new file" flag. It will be set again below when the | |
| 553 * file doesn't exist. */ | |
| 554 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 555 } | |
| 556 | |
| 557 /* | |
| 558 * for UNIX: check readonly with perm and mch_access() | |
| 559 * for RISCOS: same as Unix, otherwise file gets re-datestamped! | |
| 560 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
| 561 */ | |
| 562 file_readonly = FALSE; | |
| 563 if (read_stdin) | |
| 564 { | |
| 565 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 566 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
| 567 setmode(0, O_BINARY); | |
| 568 #endif | |
| 569 } | |
| 570 else if (!read_buffer) | |
| 571 { | |
| 572 #ifdef USE_MCH_ACCESS | |
| 573 if ( | |
| 574 # ifdef UNIX | |
| 575 !(perm & 0222) || | |
| 576 # endif | |
| 577 mch_access((char *)fname, W_OK)) | |
| 578 file_readonly = TRUE; | |
| 579 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 580 #else | |
| 581 if (!newfile | |
| 582 || readonlymode | |
| 583 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 584 { | |
| 585 file_readonly = TRUE; | |
| 586 /* try to open ro */ | |
| 587 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 588 } | |
| 589 #endif | |
| 590 } | |
| 591 | |
| 592 if (fd < 0) /* cannot open at all */ | |
| 593 { | |
| 594 #ifndef UNIX | |
| 595 int isdir_f; | |
| 596 #endif | |
| 597 msg_scroll = msg_save; | |
| 598 #ifndef UNIX | |
| 599 /* | |
| 600 * On MSDOS and Amiga we can't open a directory, check here. | |
| 601 */ | |
| 602 isdir_f = (mch_isdir(fname)); | |
| 603 perm = mch_getperm(fname); /* check if the file exists */ | |
| 604 if (isdir_f) | |
| 605 { | |
| 606 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 607 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 608 } | |
| 609 else | |
| 610 #endif | |
| 611 if (newfile) | |
| 612 { | |
|
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613 if (perm < 0 |
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614 #ifdef ENOENT |
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615 && errno == ENOENT |
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616 #endif |
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617 ) |
| 7 | 618 { |
| 619 /* | |
| 620 * Set the 'new-file' flag, so that when the file has | |
| 621 * been created by someone else, a ":w" will complain. | |
| 622 */ | |
| 623 curbuf->b_flags |= BF_NEW; | |
| 624 | |
| 625 /* Create a swap file now, so that other Vims are warned | |
| 626 * that we are editing this file. Don't do this for a | |
| 627 * "nofile" or "nowrite" buffer type. */ | |
| 628 #ifdef FEAT_QUICKFIX | |
| 629 if (!bt_dontwrite(curbuf)) | |
| 630 #endif | |
| 1834 | 631 { |
| 7 | 632 check_need_swap(newfile); |
| 1834 | 633 #ifdef FEAT_AUTOCMD |
| 634 /* SwapExists autocommand may mess things up */ | |
| 635 if (curbuf != old_curbuf | |
| 636 || (using_b_ffname | |
| 637 && (old_b_ffname != curbuf->b_ffname)) | |
| 638 || (using_b_fname | |
| 639 && (old_b_fname != curbuf->b_fname))) | |
| 640 { | |
| 641 EMSG(_(e_auchangedbuf)); | |
| 642 return FAIL; | |
| 643 } | |
| 644 #endif | |
| 645 } | |
| 592 | 646 if (dir_of_file_exists(fname)) |
| 647 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 648 else | |
| 649 filemess(curbuf, sfname, | |
| 650 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 651 #ifdef FEAT_VIMINFO |
| 652 /* Even though this is a new file, it might have been | |
| 653 * edited before and deleted. Get the old marks. */ | |
| 654 check_marks_read(); | |
| 655 #endif | |
| 656 #ifdef FEAT_MBYTE | |
| 657 if (eap != NULL && eap->force_enc != 0) | |
| 658 { | |
| 659 /* set forced 'fileencoding' */ | |
| 660 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 661 if (fenc != NULL) | |
| 662 set_string_option_direct((char_u *)"fenc", -1, | |
| 694 | 663 fenc, OPT_FREE|OPT_LOCAL, 0); |
| 7 | 664 vim_free(fenc); |
| 665 } | |
| 666 #endif | |
| 667 #ifdef FEAT_AUTOCMD | |
| 668 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 669 FALSE, curbuf, eap); | |
| 670 #endif | |
| 671 /* remember the current fileformat */ | |
| 672 save_file_ff(curbuf); | |
| 673 | |
| 674 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 675 if (aborting()) /* autocmds may abort script processing */ | |
| 676 return FAIL; | |
| 677 #endif | |
| 678 return OK; /* a new file is not an error */ | |
| 679 } | |
| 680 else | |
| 681 { | |
| 550 | 682 filemess(curbuf, sfname, (char_u *)( |
| 683 # ifdef EFBIG | |
| 684 (errno == EFBIG) ? _("[File too big]") : | |
| 685 # endif | |
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686 # ifdef EOVERFLOW |
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687 (errno == EOVERFLOW) ? _("[File too big]") : |
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688 # endif |
| 550 | 689 _("[Permission Denied]")), 0); |
| 7 | 690 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 691 } | |
| 692 } | |
| 693 | |
| 694 return FAIL; | |
| 695 } | |
| 696 | |
| 697 /* | |
| 698 * Only set the 'ro' flag for readonly files the first time they are | |
| 699 * loaded. Help files always get readonly mode | |
| 700 */ | |
| 701 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 702 curbuf->b_p_ro = TRUE; | |
| 703 | |
| 819 | 704 if (set_options) |
| 7 | 705 { |
| 1486 | 706 /* Don't change 'eol' if reading from buffer as it will already be |
| 707 * correctly set when reading stdin. */ | |
| 708 if (!read_buffer) | |
| 709 { | |
| 710 curbuf->b_p_eol = TRUE; | |
| 711 curbuf->b_start_eol = TRUE; | |
| 712 } | |
| 7 | 713 #ifdef FEAT_MBYTE |
| 714 curbuf->b_p_bomb = FALSE; | |
| 1352 | 715 curbuf->b_start_bomb = FALSE; |
| 7 | 716 #endif |
| 717 } | |
| 718 | |
| 719 /* Create a swap file now, so that other Vims are warned that we are | |
| 720 * editing this file. | |
| 721 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 722 #ifdef FEAT_QUICKFIX | |
| 723 if (!bt_dontwrite(curbuf)) | |
| 724 #endif | |
| 725 { | |
| 726 check_need_swap(newfile); | |
| 1834 | 727 #ifdef FEAT_AUTOCMD |
| 728 if (!read_stdin && (curbuf != old_curbuf | |
| 729 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 730 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 731 { | |
| 732 EMSG(_(e_auchangedbuf)); | |
| 733 if (!read_buffer) | |
| 734 close(fd); | |
| 735 return FAIL; | |
| 736 } | |
| 737 #endif | |
| 7 | 738 #ifdef UNIX |
| 739 /* Set swap file protection bits after creating it. */ | |
| 1918 | 740 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 741 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 742 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 743 #endif | |
| 744 } | |
| 745 | |
| 578 | 746 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 747 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 748 if (swap_exists_action == SEA_QUIT) | |
| 749 { | |
| 750 if (!read_buffer && !read_stdin) | |
| 751 close(fd); | |
| 752 return FAIL; | |
| 753 } | |
| 754 #endif | |
| 755 | |
| 756 ++no_wait_return; /* don't wait for return yet */ | |
| 757 | |
| 758 /* | |
| 759 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 760 */ | |
| 761 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 762 curbuf->b_op_start.col = 0; | |
| 763 | |
| 764 #ifdef FEAT_AUTOCMD | |
| 765 if (!read_buffer) | |
| 766 { | |
| 767 int m = msg_scroll; | |
| 768 int n = msg_scrolled; | |
| 769 | |
| 770 /* | |
| 771 * The file must be closed again, the autocommands may want to change | |
| 772 * the file before reading it. | |
| 773 */ | |
| 774 if (!read_stdin) | |
| 775 close(fd); /* ignore errors */ | |
| 776 | |
| 777 /* | |
| 778 * The output from the autocommands should not overwrite anything and | |
| 779 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 780 * output was done. | |
| 781 */ | |
| 782 msg_scroll = TRUE; | |
| 783 if (filtering) | |
| 784 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 785 FALSE, curbuf, eap); | |
| 786 else if (read_stdin) | |
| 787 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 788 FALSE, curbuf, eap); | |
| 789 else if (newfile) | |
| 790 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 791 FALSE, curbuf, eap); | |
| 792 else | |
| 793 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 794 FALSE, NULL, eap); | |
| 795 if (msg_scrolled == n) | |
| 796 msg_scroll = m; | |
| 797 | |
| 798 #ifdef FEAT_EVAL | |
| 799 if (aborting()) /* autocmds may abort script processing */ | |
| 800 { | |
| 801 --no_wait_return; | |
| 802 msg_scroll = msg_save; | |
| 803 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 804 return FAIL; | |
| 805 } | |
| 806 #endif | |
| 807 /* | |
| 808 * Don't allow the autocommands to change the current buffer. | |
| 809 * Try to re-open the file. | |
| 1834 | 810 * |
| 811 * Don't allow the autocommands to change the buffer name either | |
| 812 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 813 */ |
| 814 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 815 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 816 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 817 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 818 { | |
| 819 --no_wait_return; | |
| 820 msg_scroll = msg_save; | |
| 821 if (fd < 0) | |
| 822 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 823 else | |
| 824 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 825 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 826 return FAIL; | |
| 827 } | |
| 828 } | |
| 829 #endif /* FEAT_AUTOCMD */ | |
| 830 | |
| 831 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 832 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 833 | |
| 834 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 835 { | |
| 836 /* | |
| 837 * Show the user that we are busy reading the input. Sometimes this | |
| 838 * may take a while. When reading from stdin another program may | |
| 839 * still be running, don't move the cursor to the last line, unless | |
| 840 * always using the GUI. | |
| 841 */ | |
| 842 if (read_stdin) | |
| 843 { | |
| 844 #ifndef ALWAYS_USE_GUI | |
| 845 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 846 #endif | |
| 847 #ifdef FEAT_GUI | |
| 848 /* Also write a message in the GUI window, if there is one. */ | |
| 849 if (gui.in_use && !gui.dying && !gui.starting) | |
| 850 { | |
| 851 p = (char_u *)_("Reading from stdin..."); | |
| 852 gui_write(p, (int)STRLEN(p)); | |
| 853 } | |
| 854 #endif | |
| 855 } | |
| 856 else if (!read_buffer) | |
| 857 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 858 } | |
| 859 | |
| 860 msg_scroll = FALSE; /* overwrite the file message */ | |
| 861 | |
| 862 /* | |
| 863 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 864 * fileformat, and after the autocommands, which may change them. | |
| 865 */ | |
| 866 linecnt = curbuf->b_ml.ml_line_count; | |
| 867 | |
| 868 #ifdef FEAT_MBYTE | |
| 595 | 869 /* "++bad=" argument. */ |
| 870 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 871 { |
| 595 | 872 bad_char_behavior = eap->bad_char; |
| 819 | 873 if (set_options) |
| 612 | 874 curbuf->b_bad_char = eap->bad_char; |
| 875 } | |
| 876 else | |
| 877 curbuf->b_bad_char = 0; | |
| 595 | 878 |
| 7 | 879 /* |
| 595 | 880 * Decide which 'encoding' to use or use first. |
| 7 | 881 */ |
| 882 if (eap != NULL && eap->force_enc != 0) | |
| 883 { | |
| 884 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 885 fenc_alloced = TRUE; | |
| 595 | 886 keep_dest_enc = TRUE; |
| 7 | 887 } |
| 888 else if (curbuf->b_p_bin) | |
| 889 { | |
| 890 fenc = (char_u *)""; /* binary: don't convert */ | |
| 891 fenc_alloced = FALSE; | |
| 892 } | |
| 893 else if (curbuf->b_help) | |
| 894 { | |
| 895 char_u firstline[80]; | |
| 301 | 896 int fc; |
| 7 | 897 |
| 898 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 899 * fails it must be latin1. | |
| 900 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 901 * this when needed to avoid [converted] remarks all the time. | |
| 902 * It is needed when the first line contains non-ASCII characters. | |
| 903 * That is only in *.??x files. */ | |
| 904 fenc = (char_u *)"latin1"; | |
| 905 c = enc_utf8; | |
| 301 | 906 if (!c && !read_stdin) |
| 907 { | |
| 908 fc = fname[STRLEN(fname) - 1]; | |
| 909 if (TOLOWER_ASC(fc) == 'x') | |
| 910 { | |
| 911 /* Read the first line (and a bit more). Immediately rewind to | |
| 912 * the start of the file. If the read() fails "len" is -1. */ | |
| 913 len = vim_read(fd, firstline, 80); | |
| 914 lseek(fd, (off_t)0L, SEEK_SET); | |
| 915 for (p = firstline; p < firstline + len; ++p) | |
| 916 if (*p >= 0x80) | |
| 917 { | |
| 918 c = TRUE; | |
| 919 break; | |
| 920 } | |
| 921 } | |
| 7 | 922 } |
| 923 | |
| 924 if (c) | |
| 925 { | |
| 926 fenc_next = fenc; | |
| 927 fenc = (char_u *)"utf-8"; | |
| 928 | |
| 929 /* When the file is utf-8 but a character doesn't fit in | |
| 930 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 931 * doesn't make sense. */ | |
| 844 | 932 if (!enc_utf8) |
| 933 keep_dest_enc = TRUE; | |
| 7 | 934 } |
| 935 fenc_alloced = FALSE; | |
| 936 } | |
| 937 else if (*p_fencs == NUL) | |
| 938 { | |
| 939 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 940 fenc_alloced = FALSE; | |
| 941 } | |
| 942 else | |
| 943 { | |
| 944 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 945 fenc = next_fenc(&fenc_next); | |
| 946 fenc_alloced = TRUE; | |
| 947 } | |
| 948 #endif | |
| 949 | |
| 950 /* | |
| 951 * Jump back here to retry reading the file in different ways. | |
| 952 * Reasons to retry: | |
| 953 * - encoding conversion failed: try another one from "fenc_next" | |
| 954 * - BOM detected and fenc was set, need to setup conversion | |
| 955 * - "fileformat" check failed: try another | |
| 956 * | |
| 957 * Variables set for special retry actions: | |
| 958 * "file_rewind" Rewind the file to start reading it again. | |
| 959 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 960 * "skip_read" Re-use already read bytes (BOM detected). | |
| 961 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 962 * "keep_fileformat" Don't reset "fileformat". | |
| 963 * | |
| 964 * Other status indicators: | |
| 965 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 966 * Output file has to be deleted afterwards. | |
| 967 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 968 */ | |
| 969 retry: | |
| 970 | |
| 971 if (file_rewind) | |
| 972 { | |
| 973 if (read_buffer) | |
| 974 { | |
| 975 read_buf_lnum = 1; | |
| 976 read_buf_col = 0; | |
| 977 } | |
| 978 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 979 { | |
| 980 /* Can't rewind the file, give up. */ | |
| 981 error = TRUE; | |
| 982 goto failed; | |
| 983 } | |
| 984 /* Delete the previously read lines. */ | |
| 985 while (lnum > from) | |
| 986 ml_delete(lnum--, FALSE); | |
| 987 file_rewind = FALSE; | |
| 988 #ifdef FEAT_MBYTE | |
| 819 | 989 if (set_options) |
| 1352 | 990 { |
| 7 | 991 curbuf->b_p_bomb = FALSE; |
| 1352 | 992 curbuf->b_start_bomb = FALSE; |
| 993 } | |
| 595 | 994 conv_error = 0; |
| 7 | 995 #endif |
| 996 } | |
| 997 | |
| 998 /* | |
| 999 * When retrying with another "fenc" and the first time "fileformat" | |
| 1000 * will be reset. | |
| 1001 */ | |
| 1002 if (keep_fileformat) | |
| 1003 keep_fileformat = FALSE; | |
| 1004 else | |
| 1005 { | |
| 1006 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 1007 { |
| 7 | 1008 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 1009 try_unix = try_dos = try_mac = FALSE; |
| 1010 } | |
| 7 | 1011 else if (curbuf->b_p_bin) |
| 1012 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 1013 else if (*p_ffs == NUL) | |
| 1014 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 1015 else | |
| 1016 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 1017 } | |
| 1018 | |
| 1019 #ifdef FEAT_MBYTE | |
| 1020 # ifdef USE_ICONV | |
| 1021 if (iconv_fd != (iconv_t)-1) | |
| 1022 { | |
| 1023 /* aborted conversion with iconv(), close the descriptor */ | |
| 1024 iconv_close(iconv_fd); | |
| 1025 iconv_fd = (iconv_t)-1; | |
| 1026 } | |
| 1027 # endif | |
| 1028 | |
| 1029 if (advance_fenc) | |
| 1030 { | |
| 1031 /* | |
| 1032 * Try the next entry in 'fileencodings'. | |
| 1033 */ | |
| 1034 advance_fenc = FALSE; | |
| 1035 | |
| 1036 if (eap != NULL && eap->force_enc != 0) | |
| 1037 { | |
| 1038 /* Conversion given with "++cc=" wasn't possible, read | |
| 1039 * without conversion. */ | |
| 1040 notconverted = TRUE; | |
| 595 | 1041 conv_error = 0; |
| 7 | 1042 if (fenc_alloced) |
| 1043 vim_free(fenc); | |
| 1044 fenc = (char_u *)""; | |
| 1045 fenc_alloced = FALSE; | |
| 1046 } | |
| 1047 else | |
| 1048 { | |
| 1049 if (fenc_alloced) | |
| 1050 vim_free(fenc); | |
| 1051 if (fenc_next != NULL) | |
| 1052 { | |
| 1053 fenc = next_fenc(&fenc_next); | |
| 1054 fenc_alloced = (fenc_next != NULL); | |
| 1055 } | |
| 1056 else | |
| 1057 { | |
| 1058 fenc = (char_u *)""; | |
| 1059 fenc_alloced = FALSE; | |
| 1060 } | |
| 1061 } | |
| 1062 if (tmpname != NULL) | |
| 1063 { | |
| 1064 mch_remove(tmpname); /* delete converted file */ | |
| 1065 vim_free(tmpname); | |
| 1066 tmpname = NULL; | |
| 1067 } | |
| 1068 } | |
| 1069 | |
| 1070 /* | |
| 1948 | 1071 * Conversion may be required when the encoding of the file is different |
| 1072 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1073 */ |
| 1074 fio_flags = 0; | |
| 1948 | 1075 converted = need_conversion(fenc); |
| 1076 if (converted) | |
| 7 | 1077 { |
| 1078 | |
| 1079 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1080 * for a BOM. */ | |
| 1081 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1082 fio_flags = FIO_UCSBOM; | |
| 1083 | |
| 1084 /* | |
| 1085 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1086 * done. This is handled below after read(). Prepare the | |
| 1087 * fio_flags to avoid having to parse the string each time. | |
| 1088 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1089 * appears not to handle this correctly. This works just like | |
| 1090 * conversion to UTF-8 except how the resulting character is put in | |
| 1091 * the buffer. | |
| 1092 */ | |
| 1093 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1094 fio_flags = get_fio_flags(fenc); | |
| 1095 | |
| 1096 # ifdef WIN3264 | |
| 1097 /* | |
| 1098 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1099 * is handled with MultiByteToWideChar(). | |
| 1100 */ | |
| 1101 if (fio_flags == 0) | |
| 1102 fio_flags = get_win_fio_flags(fenc); | |
| 1103 # endif | |
| 1104 | |
| 1105 # ifdef MACOS_X | |
| 1106 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1107 if (fio_flags == 0) | |
| 1108 fio_flags = get_mac_fio_flags(fenc); | |
| 1109 # endif | |
| 1110 | |
| 1111 # ifdef USE_ICONV | |
| 1112 /* | |
| 1113 * Try using iconv() if we can't convert internally. | |
| 1114 */ | |
| 1115 if (fio_flags == 0 | |
| 1116 # ifdef FEAT_EVAL | |
| 1117 && !did_iconv | |
| 1118 # endif | |
| 1119 ) | |
| 1120 iconv_fd = (iconv_t)my_iconv_open( | |
| 1121 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1122 # endif | |
| 1123 | |
| 1124 # ifdef FEAT_EVAL | |
| 1125 /* | |
| 1126 * Use the 'charconvert' expression when conversion is required | |
| 1127 * and we can't do it internally or with iconv(). | |
| 1128 */ | |
| 1129 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1130 # ifdef USE_ICONV | |
| 1131 && iconv_fd == (iconv_t)-1 | |
| 1132 # endif | |
| 1133 ) | |
| 1134 { | |
| 1135 # ifdef USE_ICONV | |
| 1136 did_iconv = FALSE; | |
| 1137 # endif | |
| 1138 /* Skip conversion when it's already done (retry for wrong | |
| 1139 * "fileformat"). */ | |
| 1140 if (tmpname == NULL) | |
| 1141 { | |
| 1142 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1143 if (tmpname == NULL) | |
| 1144 { | |
| 1145 /* Conversion failed. Try another one. */ | |
| 1146 advance_fenc = TRUE; | |
| 1147 if (fd < 0) | |
| 1148 { | |
| 1149 /* Re-opening the original file failed! */ | |
| 1150 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1151 error = TRUE; | |
| 1152 goto failed; | |
| 1153 } | |
| 1154 goto retry; | |
| 1155 } | |
| 1156 } | |
| 1157 } | |
| 1158 else | |
| 1159 # endif | |
| 1160 { | |
| 1161 if (fio_flags == 0 | |
| 1162 # ifdef USE_ICONV | |
| 1163 && iconv_fd == (iconv_t)-1 | |
| 1164 # endif | |
| 1165 ) | |
| 1166 { | |
| 1167 /* Conversion wanted but we can't. | |
| 1168 * Try the next conversion in 'fileencodings' */ | |
| 1169 advance_fenc = TRUE; | |
| 1170 goto retry; | |
| 1171 } | |
| 1172 } | |
| 1173 } | |
| 1174 | |
| 595 | 1175 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1176 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1177 * stdin or fixed at a specific encoding. */ |
| 1178 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1179 #endif |
| 1180 | |
| 1181 if (!skip_read) | |
| 1182 { | |
| 1183 linerest = 0; | |
| 1184 filesize = 0; | |
| 1185 skip_count = lines_to_skip; | |
| 1186 read_count = lines_to_read; | |
| 1187 #ifdef FEAT_MBYTE | |
| 1188 conv_restlen = 0; | |
| 1189 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1190 #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
|
1191 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
|
1192 && !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
|
1193 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
|
1194 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
|
1195 #endif |
| 7 | 1196 } |
| 1197 | |
| 1198 while (!error && !got_int) | |
| 1199 { | |
| 1200 /* | |
| 1201 * We allocate as much space for the file as we can get, plus | |
| 1202 * space for the old line plus room for one terminating NUL. | |
| 1203 * The amount is limited by the fact that read() only can read | |
| 1204 * upto max_unsigned characters (and other things). | |
| 1205 */ | |
| 1206 #if SIZEOF_INT <= 2 | |
| 1207 if (linerest >= 0x7ff0) | |
| 1208 { | |
| 1209 ++split; | |
| 1210 *ptr = NL; /* split line by inserting a NL */ | |
| 1211 size = 1; | |
| 1212 } | |
| 1213 else | |
| 1214 #endif | |
| 1215 { | |
| 1216 if (!skip_read) | |
| 1217 { | |
| 1218 #if SIZEOF_INT > 2 | |
| 1076 | 1219 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1220 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1221 # else | |
| 1222 size = 0x10000L; /* use buffer >= 64K */ | |
| 1223 # endif | |
| 1224 #else | |
| 1225 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1226 #endif | |
| 1227 | |
| 836 | 1228 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1229 { |
| 1230 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1231 FALSE)) != NULL) | |
| 1232 break; | |
| 1233 } | |
| 1234 if (new_buffer == NULL) | |
| 1235 { | |
| 1236 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1237 error = TRUE; | |
| 1238 break; | |
| 1239 } | |
| 1240 if (linerest) /* copy characters from the previous buffer */ | |
| 1241 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1242 vim_free(buffer); | |
| 1243 buffer = new_buffer; | |
| 1244 ptr = buffer + linerest; | |
| 1245 line_start = buffer; | |
| 1246 | |
| 1247 #ifdef FEAT_MBYTE | |
| 1248 /* May need room to translate into. | |
| 1249 * For iconv() we don't really know the required space, use a | |
| 1250 * factor ICONV_MULT. | |
| 1251 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1252 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1253 * become up to 4 bytes, size must be multiple of 2 | |
| 1254 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1255 * multiple of 2 | |
| 1256 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1257 * multiple of 4 */ | |
| 835 | 1258 real_size = (int)size; |
| 7 | 1259 # ifdef USE_ICONV |
| 1260 if (iconv_fd != (iconv_t)-1) | |
| 1261 size = size / ICONV_MULT; | |
| 1262 else | |
| 1263 # endif | |
| 1264 if (fio_flags & FIO_LATIN1) | |
| 1265 size = size / 2; | |
| 1266 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1267 size = (size * 2 / 3) & ~1; | |
| 1268 else if (fio_flags & FIO_UCS4) | |
| 1269 size = (size * 2 / 3) & ~3; | |
| 1270 else if (fio_flags == FIO_UCSBOM) | |
| 1271 size = size / ICONV_MULT; /* worst case */ | |
| 1272 # ifdef WIN3264 | |
| 1273 else if (fio_flags & FIO_CODEPAGE) | |
| 1274 size = size / ICONV_MULT; /* also worst case */ | |
| 1275 # endif | |
| 1276 # ifdef MACOS_X | |
| 1277 else if (fio_flags & FIO_MACROMAN) | |
| 1278 size = size / ICONV_MULT; /* also worst case */ | |
| 1279 # endif | |
| 1280 #endif | |
| 1281 | |
| 1282 #ifdef FEAT_MBYTE | |
| 1283 if (conv_restlen > 0) | |
| 1284 { | |
| 1285 /* Insert unconverted bytes from previous line. */ | |
| 1286 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1287 ptr += conv_restlen; | |
| 1288 size -= conv_restlen; | |
| 1289 } | |
| 1290 #endif | |
| 1291 | |
| 1292 if (read_buffer) | |
| 1293 { | |
| 1294 /* | |
| 1295 * Read bytes from curbuf. Used for converting text read | |
| 1296 * from stdin. | |
| 1297 */ | |
| 1298 if (read_buf_lnum > from) | |
| 1299 size = 0; | |
| 1300 else | |
| 1301 { | |
| 1302 int n, ni; | |
| 1303 long tlen; | |
| 1304 | |
| 1305 tlen = 0; | |
| 1306 for (;;) | |
| 1307 { | |
| 1308 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1309 n = (int)STRLEN(p); | |
| 1310 if ((int)tlen + n + 1 > size) | |
| 1311 { | |
| 1312 /* Filled up to "size", append partial line. | |
| 1313 * Change NL to NUL to reverse the effect done | |
| 1314 * below. */ | |
| 835 | 1315 n = (int)(size - tlen); |
| 7 | 1316 for (ni = 0; ni < n; ++ni) |
| 1317 { | |
| 1318 if (p[ni] == NL) | |
| 1319 ptr[tlen++] = NUL; | |
| 1320 else | |
| 1321 ptr[tlen++] = p[ni]; | |
| 1322 } | |
| 1323 read_buf_col += n; | |
| 1324 break; | |
| 1325 } | |
| 1326 else | |
| 1327 { | |
| 1328 /* Append whole line and new-line. Change NL | |
| 1329 * to NUL to reverse the effect done below. */ | |
| 1330 for (ni = 0; ni < n; ++ni) | |
| 1331 { | |
| 1332 if (p[ni] == NL) | |
| 1333 ptr[tlen++] = NUL; | |
| 1334 else | |
| 1335 ptr[tlen++] = p[ni]; | |
| 1336 } | |
| 1337 ptr[tlen++] = NL; | |
| 1338 read_buf_col = 0; | |
| 1339 if (++read_buf_lnum > from) | |
| 1340 { | |
| 1341 /* When the last line didn't have an | |
| 1342 * end-of-line don't add it now either. */ | |
| 1343 if (!curbuf->b_p_eol) | |
| 1344 --tlen; | |
| 1345 size = tlen; | |
| 1346 break; | |
| 1347 } | |
| 1348 } | |
| 1349 } | |
| 1350 } | |
| 1351 } | |
| 1352 else | |
| 1353 { | |
| 1354 /* | |
| 1355 * Read bytes from the file. | |
| 1356 */ | |
| 1357 size = vim_read(fd, ptr, size); | |
| 1358 } | |
| 1359 | |
| 1360 if (size <= 0) | |
| 1361 { | |
| 1362 if (size < 0) /* read error */ | |
| 1363 error = TRUE; | |
| 1364 #ifdef FEAT_MBYTE | |
| 1365 else if (conv_restlen > 0) | |
| 595 | 1366 { |
| 1597 | 1367 /* |
| 1368 * Reached end-of-file but some trailing bytes could | |
| 1369 * not be converted. Truncated file? | |
| 1370 */ | |
| 1371 | |
| 1372 /* When we did a conversion report an error. */ | |
| 1373 if (fio_flags != 0 | |
| 1374 # ifdef USE_ICONV | |
| 1375 || iconv_fd != (iconv_t)-1 | |
| 1376 # endif | |
| 1377 ) | |
| 1378 { | |
| 1379 if (conv_error == 0) | |
| 1380 conv_error = curbuf->b_ml.ml_line_count | |
| 1381 - linecnt + 1; | |
| 1382 } | |
| 1383 /* Remember the first linenr with an illegal byte */ | |
| 1384 else if (illegal_byte == 0) | |
| 1385 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1386 - linecnt + 1; | |
| 1387 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1388 { |
| 1597 | 1389 *(ptr - conv_restlen) = NUL; |
| 1390 conv_restlen = 0; | |
| 1391 } | |
| 1392 else | |
| 1393 { | |
| 1394 /* Replace the trailing bytes with the replacement | |
| 1395 * character if we were converting; if we weren't, | |
| 1396 * leave the UTF8 checking code to do it, as it | |
| 1397 * works slightly differently. */ | |
| 1398 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1399 # ifdef USE_ICONV | |
| 1400 || iconv_fd != (iconv_t)-1 | |
| 1401 # endif | |
| 1402 )) | |
| 1403 { | |
| 1404 while (conv_restlen > 0) | |
| 1405 { | |
| 1406 *(--ptr) = bad_char_behavior; | |
| 1407 --conv_restlen; | |
| 1408 } | |
| 1409 } | |
| 595 | 1410 fio_flags = 0; /* don't convert this */ |
| 834 | 1411 # ifdef USE_ICONV |
| 1412 if (iconv_fd != (iconv_t)-1) | |
| 1413 { | |
| 1414 iconv_close(iconv_fd); | |
| 1415 iconv_fd = (iconv_t)-1; | |
| 1416 } | |
| 1417 # endif | |
| 595 | 1418 } |
| 1419 } | |
| 7 | 1420 #endif |
| 1421 } | |
| 1422 | |
| 1423 #ifdef FEAT_CRYPT | |
| 1424 /* | |
| 1425 * At start of file: Check for magic number of encryption. | |
| 1426 */ | |
| 1427 if (filesize == 0) | |
| 1428 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
|
1429 &filesize, newfile, &did_ask_for_key); |
| 7 | 1430 /* |
| 1431 * Decrypt the read bytes. | |
| 1432 */ | |
| 1433 if (cryptkey != NULL && size > 0) | |
| 2244 | 1434 crypt_decode(ptr, size); |
| 7 | 1435 #endif |
| 1436 } | |
| 1437 skip_read = FALSE; | |
| 1438 | |
| 1439 #ifdef FEAT_MBYTE | |
| 1440 /* | |
| 1441 * At start of file (or after crypt magic number): Check for BOM. | |
| 1442 * Also check for a BOM for other Unicode encodings, but not after | |
| 1443 * converting with 'charconvert' or when a BOM has already been | |
| 1444 * found. | |
| 1445 */ | |
| 1446 if ((filesize == 0 | |
| 1447 # 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
|
1448 || (filesize == (CRYPT_MAGIC_LEN |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
1449 + crypt_salt_len[use_crypt_method] |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
1450 + 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
|
1451 && cryptkey != NULL) |
| 7 | 1452 # endif |
| 1453 ) | |
| 1454 && (fio_flags == FIO_UCSBOM | |
| 1455 || (!curbuf->b_p_bomb | |
| 1456 && tmpname == NULL | |
| 1457 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1458 { | |
| 1459 char_u *ccname; | |
| 1460 int blen; | |
| 1461 | |
| 1462 /* no BOM detection in a short file or in binary mode */ | |
| 1463 if (size < 2 || curbuf->b_p_bin) | |
| 1464 ccname = NULL; | |
| 1465 else | |
| 1466 ccname = check_for_bom(ptr, size, &blen, | |
| 1467 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1468 if (ccname != NULL) | |
| 1469 { | |
| 1470 /* Remove BOM from the text */ | |
| 1471 filesize += blen; | |
| 1472 size -= blen; | |
| 1473 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1474 if (set_options) |
| 1352 | 1475 { |
| 7 | 1476 curbuf->b_p_bomb = TRUE; |
| 1352 | 1477 curbuf->b_start_bomb = TRUE; |
| 1478 } | |
| 7 | 1479 } |
| 1480 | |
| 1481 if (fio_flags == FIO_UCSBOM) | |
| 1482 { | |
| 1483 if (ccname == NULL) | |
| 1484 { | |
| 1485 /* No BOM detected: retry with next encoding. */ | |
| 1486 advance_fenc = TRUE; | |
| 1487 } | |
| 1488 else | |
| 1489 { | |
| 1490 /* BOM detected: set "fenc" and jump back */ | |
| 1491 if (fenc_alloced) | |
| 1492 vim_free(fenc); | |
| 1493 fenc = ccname; | |
| 1494 fenc_alloced = FALSE; | |
| 1495 } | |
| 1496 /* retry reading without getting new bytes or rewinding */ | |
| 1497 skip_read = TRUE; | |
| 1498 goto retry; | |
| 1499 } | |
| 1500 } | |
| 1597 | 1501 |
| 1502 /* Include not converted bytes. */ | |
| 1503 ptr -= conv_restlen; | |
| 1504 size += conv_restlen; | |
| 1505 conv_restlen = 0; | |
| 7 | 1506 #endif |
| 1507 /* | |
| 1508 * Break here for a read error or end-of-file. | |
| 1509 */ | |
| 1510 if (size <= 0) | |
| 1511 break; | |
| 1512 | |
| 1513 #ifdef FEAT_MBYTE | |
| 1514 | |
| 1515 # ifdef USE_ICONV | |
| 1516 if (iconv_fd != (iconv_t)-1) | |
| 1517 { | |
| 1518 /* | |
| 1519 * Attempt conversion of the read bytes to 'encoding' using | |
| 1520 * iconv(). | |
| 1521 */ | |
| 1522 const char *fromp; | |
| 1523 char *top; | |
| 1524 size_t from_size; | |
| 1525 size_t to_size; | |
| 1526 | |
| 1527 fromp = (char *)ptr; | |
| 1528 from_size = size; | |
| 1529 ptr += size; | |
| 1530 top = (char *)ptr; | |
| 1531 to_size = real_size - size; | |
| 1532 | |
| 1533 /* | |
| 1534 * If there is conversion error or not enough room try using | |
| 179 | 1535 * another conversion. Except for when there is no |
| 1536 * alternative (help files). | |
| 7 | 1537 */ |
| 177 | 1538 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1539 &top, &to_size) | |
| 7 | 1540 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1541 || from_size > CONV_RESTLEN) | |
| 177 | 1542 { |
| 595 | 1543 if (can_retry) |
| 375 | 1544 goto rewind_retry; |
| 595 | 1545 if (conv_error == 0) |
| 1546 conv_error = readfile_linenr(linecnt, | |
| 1547 ptr, (char_u *)top); | |
| 1548 | |
| 1549 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1550 ++fromp; |
| 1551 --from_size; | |
| 595 | 1552 if (bad_char_behavior == BAD_KEEP) |
| 1553 { | |
| 1554 *top++ = *(fromp - 1); | |
| 1555 --to_size; | |
| 1556 } | |
| 1557 else if (bad_char_behavior != BAD_DROP) | |
| 1558 { | |
| 1559 *top++ = bad_char_behavior; | |
| 1560 --to_size; | |
| 1561 } | |
| 177 | 1562 } |
| 7 | 1563 |
| 1564 if (from_size > 0) | |
| 1565 { | |
| 1566 /* Some remaining characters, keep them for the next | |
| 1567 * round. */ | |
| 1568 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1569 conv_restlen = (int)from_size; | |
| 1570 } | |
| 1571 | |
| 1572 /* move the linerest to before the converted characters */ | |
| 1573 line_start = ptr - linerest; | |
| 1574 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1575 size = (long)((char_u *)top - ptr); | |
| 1576 } | |
| 1577 # endif | |
| 1578 | |
| 1579 # ifdef WIN3264 | |
| 1580 if (fio_flags & FIO_CODEPAGE) | |
| 1581 { | |
| 595 | 1582 char_u *src, *dst; |
| 1583 WCHAR ucs2buf[3]; | |
| 1584 int ucs2len; | |
| 1585 int codepage = FIO_GET_CP(fio_flags); | |
| 1586 int bytelen; | |
| 1587 int found_bad; | |
| 1588 char replstr[2]; | |
| 1589 | |
| 7 | 1590 /* |
| 1591 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1592 * a codepage, using standard MS-Windows functions. This |
| 1593 * requires two steps: | |
| 1594 * 1. convert from 'fileencoding' to ucs-2 | |
| 1595 * 2. convert from ucs-2 to 'encoding' | |
| 1596 * | |
| 1597 * Because there may be illegal bytes AND an incomplete byte | |
| 1598 * sequence at the end, we may have to do the conversion one | |
| 1599 * character at a time to get it right. | |
| 7 | 1600 */ |
| 595 | 1601 |
| 1602 /* Replacement string for WideCharToMultiByte(). */ | |
| 1603 if (bad_char_behavior > 0) | |
| 1604 replstr[0] = bad_char_behavior; | |
| 1605 else | |
| 1606 replstr[0] = '?'; | |
| 1607 replstr[1] = NUL; | |
| 1608 | |
| 1609 /* | |
| 1610 * Move the bytes to the end of the buffer, so that we have | |
| 1611 * room to put the result at the start. | |
| 1612 */ | |
| 1613 src = ptr + real_size - size; | |
| 1614 mch_memmove(src, ptr, size); | |
| 7 | 1615 |
| 1616 /* | |
| 595 | 1617 * Do the conversion. |
| 7 | 1618 */ |
| 595 | 1619 dst = ptr; |
| 1620 size = size; | |
| 1621 while (size > 0) | |
| 7 | 1622 { |
| 595 | 1623 found_bad = FALSE; |
| 7 | 1624 |
| 1625 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1626 if (codepage == CP_UTF8) |
| 7 | 1627 { |
| 595 | 1628 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1629 * trailing bytes properly. | |
| 1630 * Get one UTF-8 character from src. */ | |
| 835 | 1631 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1632 if (bytelen > size) |
| 1633 { | |
| 1634 /* Only got some bytes of a character. Normally | |
| 1635 * it's put in "conv_rest", but if it's too long | |
| 1636 * deal with it as if they were illegal bytes. */ | |
| 1637 if (bytelen <= CONV_RESTLEN) | |
| 1638 break; | |
| 1639 | |
| 1640 /* weird overlong byte sequence */ | |
| 1641 bytelen = size; | |
| 1642 found_bad = TRUE; | |
| 1643 } | |
| 1644 else | |
| 1645 { | |
| 799 | 1646 int u8c = utf_ptr2char(src); |
| 1647 | |
| 622 | 1648 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1649 found_bad = TRUE; |
| 1650 ucs2buf[0] = u8c; | |
| 1651 ucs2len = 1; | |
| 1652 } | |
| 7 | 1653 } |
| 595 | 1654 else |
| 7 | 1655 # endif |
| 595 | 1656 { |
| 1657 /* We don't know how long the byte sequence is, try | |
| 1658 * from one to three bytes. */ | |
| 1659 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1660 ++bytelen) | |
| 1661 { | |
| 1662 ucs2len = MultiByteToWideChar(codepage, | |
| 1663 MB_ERR_INVALID_CHARS, | |
| 1664 (LPCSTR)src, bytelen, | |
| 1665 ucs2buf, 3); | |
| 1666 if (ucs2len > 0) | |
| 1667 break; | |
| 1668 } | |
| 1669 if (ucs2len == 0) | |
| 1670 { | |
| 1671 /* If we have only one byte then it's probably an | |
| 1672 * incomplete byte sequence. Otherwise discard | |
| 1673 * one byte as a bad character. */ | |
| 1674 if (size == 1) | |
| 1675 break; | |
| 1676 found_bad = TRUE; | |
| 1677 bytelen = 1; | |
| 1678 } | |
| 1679 } | |
| 1680 | |
| 1681 if (!found_bad) | |
| 7 | 1682 { |
| 595 | 1683 int i; |
| 1684 | |
| 1685 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1686 if (enc_utf8) | |
| 1687 { | |
| 1688 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1689 for (i = 0; i < ucs2len; ++i) | |
| 1690 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1691 } | |
| 1692 else | |
| 1693 { | |
| 1694 BOOL bad = FALSE; | |
| 1695 int dstlen; | |
| 1696 | |
| 1697 /* From UCS-2 to "enc_codepage". If the | |
| 1698 * conversion uses the default character "?", | |
| 1699 * the data doesn't fit in this encoding. */ | |
| 1700 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1701 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1702 (LPSTR)dst, (int)(src - dst), |
| 595 | 1703 replstr, &bad); |
| 1704 if (bad) | |
| 1705 found_bad = TRUE; | |
| 1706 else | |
| 1707 dst += dstlen; | |
| 1708 } | |
| 7 | 1709 } |
| 595 | 1710 |
| 1711 if (found_bad) | |
| 1712 { | |
| 1713 /* Deal with bytes we can't convert. */ | |
| 1714 if (can_retry) | |
| 1715 goto rewind_retry; | |
| 1716 if (conv_error == 0) | |
| 1717 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1718 if (bad_char_behavior != BAD_DROP) | |
| 1719 { | |
| 1720 if (bad_char_behavior == BAD_KEEP) | |
| 1721 { | |
| 1722 mch_memmove(dst, src, bytelen); | |
| 1723 dst += bytelen; | |
| 1724 } | |
| 1725 else | |
| 1726 *dst++ = bad_char_behavior; | |
| 1727 } | |
| 1728 } | |
| 1729 | |
| 1730 src += bytelen; | |
| 1731 size -= bytelen; | |
| 7 | 1732 } |
| 595 | 1733 |
| 1734 if (size > 0) | |
| 7 | 1735 { |
| 595 | 1736 /* An incomplete byte sequence remaining. */ |
| 1737 mch_memmove(conv_rest, src, size); | |
| 1738 conv_restlen = size; | |
| 7 | 1739 } |
| 595 | 1740 |
| 1741 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1742 size = (long)(dst - ptr); |
| 7 | 1743 } |
| 1744 else | |
| 1745 # endif | |
| 765 | 1746 # ifdef MACOS_CONVERT |
| 7 | 1747 if (fio_flags & FIO_MACROMAN) |
| 1748 { | |
| 1749 /* | |
| 1750 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1751 * latin1. This is in os_mac_conv.c. |
| 7 | 1752 */ |
| 18 | 1753 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1754 goto rewind_retry; |
| 1755 } | |
| 1756 else | |
| 1757 # endif | |
| 1758 if (fio_flags != 0) | |
| 1759 { | |
| 1760 int u8c; | |
| 1761 char_u *dest; | |
| 1762 char_u *tail = NULL; | |
| 1763 | |
| 1764 /* | |
| 1765 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1766 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1767 * Go from end to start through the buffer, because the number | |
| 1768 * of bytes may increase. | |
| 1769 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1770 * to after the next character to convert. | |
| 1771 */ | |
| 1772 dest = ptr + real_size; | |
| 1773 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1774 { | |
| 1775 p = ptr + size; | |
| 1776 if (fio_flags == FIO_UTF8) | |
| 1777 { | |
| 1778 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1779 tail = ptr + size - 1; | |
| 1780 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1781 --tail; | |
| 1782 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1783 tail = NULL; | |
| 1784 else | |
| 1785 p = tail; | |
| 1786 } | |
| 1787 } | |
| 1788 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1789 { | |
| 1790 /* Check for a trailing byte */ | |
| 1791 p = ptr + (size & ~1); | |
| 1792 if (size & 1) | |
| 1793 tail = p; | |
| 1794 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1795 { | |
| 1796 /* Check for a trailing leading word */ | |
| 1797 if (fio_flags & FIO_ENDIAN_L) | |
| 1798 { | |
| 1799 u8c = (*--p << 8); | |
| 1800 u8c += *--p; | |
| 1801 } | |
| 1802 else | |
| 1803 { | |
| 1804 u8c = *--p; | |
| 1805 u8c += (*--p << 8); | |
| 1806 } | |
| 1807 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1808 tail = p; | |
| 1809 else | |
| 1810 p += 2; | |
| 1811 } | |
| 1812 } | |
| 1813 else /* FIO_UCS4 */ | |
| 1814 { | |
| 1815 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1816 p = ptr + (size & ~3); | |
| 1817 if (size & 3) | |
| 1818 tail = p; | |
| 1819 } | |
| 1820 | |
| 1821 /* If there is a trailing incomplete sequence move it to | |
| 1822 * conv_rest[]. */ | |
| 1823 if (tail != NULL) | |
| 1824 { | |
| 1825 conv_restlen = (int)((ptr + size) - tail); | |
| 1826 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1827 size -= conv_restlen; | |
| 1828 } | |
| 1829 | |
| 1830 | |
| 1831 while (p > ptr) | |
| 1832 { | |
| 1833 if (fio_flags & FIO_LATIN1) | |
| 1834 u8c = *--p; | |
| 1835 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1836 { | |
| 1837 if (fio_flags & FIO_ENDIAN_L) | |
| 1838 { | |
| 1839 u8c = (*--p << 8); | |
| 1840 u8c += *--p; | |
| 1841 } | |
| 1842 else | |
| 1843 { | |
| 1844 u8c = *--p; | |
| 1845 u8c += (*--p << 8); | |
| 1846 } | |
| 1847 if ((fio_flags & FIO_UTF16) | |
| 1848 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1849 { | |
| 1850 int u16c; | |
| 1851 | |
| 1852 if (p == ptr) | |
| 1853 { | |
| 1854 /* Missing leading word. */ | |
| 1855 if (can_retry) | |
| 1856 goto rewind_retry; | |
| 595 | 1857 if (conv_error == 0) |
| 1858 conv_error = readfile_linenr(linecnt, | |
| 1859 ptr, p); | |
| 1860 if (bad_char_behavior == BAD_DROP) | |
| 1861 continue; | |
| 1862 if (bad_char_behavior != BAD_KEEP) | |
| 1863 u8c = bad_char_behavior; | |
| 7 | 1864 } |
| 1865 | |
| 1866 /* found second word of double-word, get the first | |
| 1867 * word and compute the resulting character */ | |
| 1868 if (fio_flags & FIO_ENDIAN_L) | |
| 1869 { | |
| 1870 u16c = (*--p << 8); | |
| 1871 u16c += *--p; | |
| 1872 } | |
| 1873 else | |
| 1874 { | |
| 1875 u16c = *--p; | |
| 1876 u16c += (*--p << 8); | |
| 1877 } | |
| 595 | 1878 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1879 + (u8c & 0x3ff); | |
| 1880 | |
| 7 | 1881 /* Check if the word is indeed a leading word. */ |
| 1882 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1883 { | |
| 1884 if (can_retry) | |
| 1885 goto rewind_retry; | |
| 595 | 1886 if (conv_error == 0) |
| 1887 conv_error = readfile_linenr(linecnt, | |
| 1888 ptr, p); | |
| 1889 if (bad_char_behavior == BAD_DROP) | |
| 1890 continue; | |
| 1891 if (bad_char_behavior != BAD_KEEP) | |
| 1892 u8c = bad_char_behavior; | |
| 7 | 1893 } |
| 1894 } | |
| 1895 } | |
| 1896 else if (fio_flags & FIO_UCS4) | |
| 1897 { | |
| 1898 if (fio_flags & FIO_ENDIAN_L) | |
| 1899 { | |
| 1900 u8c = (*--p << 24); | |
| 1901 u8c += (*--p << 16); | |
| 1902 u8c += (*--p << 8); | |
| 1903 u8c += *--p; | |
| 1904 } | |
| 1905 else /* big endian */ | |
| 1906 { | |
| 1907 u8c = *--p; | |
| 1908 u8c += (*--p << 8); | |
| 1909 u8c += (*--p << 16); | |
| 1910 u8c += (*--p << 24); | |
| 1911 } | |
| 1912 } | |
| 1913 else /* UTF-8 */ | |
| 1914 { | |
| 1915 if (*--p < 0x80) | |
| 1916 u8c = *p; | |
| 1917 else | |
| 1918 { | |
| 1919 len = utf_head_off(ptr, p); | |
| 595 | 1920 p -= len; |
| 1921 u8c = utf_ptr2char(p); | |
| 7 | 1922 if (len == 0) |
| 1923 { | |
| 1924 /* Not a valid UTF-8 character, retry with | |
| 1925 * another fenc when possible, otherwise just | |
| 1926 * report the error. */ | |
| 1927 if (can_retry) | |
| 1928 goto rewind_retry; | |
| 595 | 1929 if (conv_error == 0) |
| 1930 conv_error = readfile_linenr(linecnt, | |
| 1931 ptr, p); | |
| 1932 if (bad_char_behavior == BAD_DROP) | |
| 1933 continue; | |
| 1934 if (bad_char_behavior != BAD_KEEP) | |
| 1935 u8c = bad_char_behavior; | |
| 7 | 1936 } |
| 1937 } | |
| 1938 } | |
| 1939 if (enc_utf8) /* produce UTF-8 */ | |
| 1940 { | |
| 1941 dest -= utf_char2len(u8c); | |
| 1942 (void)utf_char2bytes(u8c, dest); | |
| 1943 } | |
| 1944 else /* produce Latin1 */ | |
| 1945 { | |
| 1946 --dest; | |
| 1947 if (u8c >= 0x100) | |
| 1948 { | |
| 1949 /* character doesn't fit in latin1, retry with | |
| 1950 * another fenc when possible, otherwise just | |
| 1951 * report the error. */ | |
| 595 | 1952 if (can_retry) |
| 7 | 1953 goto rewind_retry; |
| 595 | 1954 if (conv_error == 0) |
| 1955 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1956 if (bad_char_behavior == BAD_DROP) | |
| 1957 ++dest; | |
| 1958 else if (bad_char_behavior == BAD_KEEP) | |
| 1959 *dest = u8c; | |
| 1960 else if (eap != NULL && eap->bad_char != 0) | |
| 1961 *dest = bad_char_behavior; | |
| 1962 else | |
| 1963 *dest = 0xBF; | |
| 7 | 1964 } |
| 1965 else | |
| 1966 *dest = u8c; | |
| 1967 } | |
| 1968 } | |
| 1969 | |
| 1970 /* move the linerest to before the converted characters */ | |
| 1971 line_start = dest - linerest; | |
| 1972 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1973 size = (long)((ptr + real_size) - dest); | |
| 1974 ptr = dest; | |
| 1975 } | |
| 1597 | 1976 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1977 { | |
| 1978 int incomplete_tail = FALSE; | |
| 1979 | |
| 1980 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1981 for (p = ptr; ; ++p) | |
| 7 | 1982 { |
| 835 | 1983 int todo = (int)((ptr + size) - p); |
| 595 | 1984 int l; |
| 1985 | |
| 1986 if (todo <= 0) | |
| 1987 break; | |
| 7 | 1988 if (*p >= 0x80) |
| 1989 { | |
| 1990 /* A length of 1 means it's an illegal byte. Accept | |
| 1991 * an incomplete character at the end though, the next | |
| 1992 * read() will get the next bytes, we'll check it | |
| 1993 * then. */ | |
| 595 | 1994 l = utf_ptr2len_len(p, todo); |
| 1597 | 1995 if (l > todo && !incomplete_tail) |
| 7 | 1996 { |
| 1597 | 1997 /* Avoid retrying with a different encoding when |
| 1998 * a truncated file is more likely, or attempting | |
| 1999 * to read the rest of an incomplete sequence when | |
| 2000 * we have already done so. */ | |
| 2001 if (p > ptr || filesize > 0) | |
| 2002 incomplete_tail = TRUE; | |
| 2003 /* Incomplete byte sequence, move it to conv_rest[] | |
| 2004 * and try to read the rest of it, unless we've | |
| 2005 * already done so. */ | |
| 2006 if (p > ptr) | |
| 2007 { | |
| 2008 conv_restlen = todo; | |
| 2009 mch_memmove(conv_rest, p, conv_restlen); | |
| 2010 size -= conv_restlen; | |
| 2011 break; | |
| 2012 } | |
| 7 | 2013 } |
| 1597 | 2014 if (l == 1 || l > todo) |
| 595 | 2015 { |
| 2016 /* Illegal byte. If we can try another encoding | |
| 1597 | 2017 * do that, unless at EOF where a truncated |
| 2018 * file is more likely than a conversion error. */ | |
| 2019 if (can_retry && !incomplete_tail) | |
| 595 | 2020 break; |
| 2021 # ifdef USE_ICONV | |
| 2022 /* When we did a conversion report an error. */ | |
| 2023 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2024 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2025 # endif | |
| 1597 | 2026 /* Remember the first linenr with an illegal byte */ |
| 2027 if (conv_error == 0 && illegal_byte == 0) | |
| 2028 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2029 |
| 2030 /* Drop, keep or replace the bad byte. */ | |
| 2031 if (bad_char_behavior == BAD_DROP) | |
| 2032 { | |
| 1597 | 2033 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2034 --p; |
| 2035 --size; | |
| 2036 } | |
| 2037 else if (bad_char_behavior != BAD_KEEP) | |
| 2038 *p = bad_char_behavior; | |
| 2039 } | |
| 1597 | 2040 else |
| 2041 p += l - 1; | |
| 7 | 2042 } |
| 2043 } | |
| 1597 | 2044 if (p < ptr + size && !incomplete_tail) |
| 7 | 2045 { |
| 2046 /* Detected a UTF-8 error. */ | |
| 2047 rewind_retry: | |
| 595 | 2048 /* Retry reading with another conversion. */ |
| 7 | 2049 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2050 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2051 /* iconv() failed, try 'charconvert' */ | |
| 2052 did_iconv = TRUE; | |
| 7 | 2053 else |
| 2054 # endif | |
| 595 | 2055 /* use next item from 'fileencodings' */ |
| 2056 advance_fenc = TRUE; | |
| 2057 file_rewind = TRUE; | |
| 2058 goto retry; | |
| 7 | 2059 } |
| 2060 } | |
| 2061 #endif | |
| 2062 | |
| 2063 /* count the number of characters (after conversion!) */ | |
| 2064 filesize += size; | |
| 2065 | |
| 2066 /* | |
| 2067 * when reading the first part of a file: guess EOL type | |
| 2068 */ | |
| 2069 if (fileformat == EOL_UNKNOWN) | |
| 2070 { | |
| 2071 /* First try finding a NL, for Dos and Unix */ | |
| 2072 if (try_dos || try_unix) | |
| 2073 { | |
| 2074 for (p = ptr; p < ptr + size; ++p) | |
| 2075 { | |
| 2076 if (*p == NL) | |
| 2077 { | |
| 2078 if (!try_unix | |
| 2079 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2080 fileformat = EOL_DOS; | |
| 2081 else | |
| 2082 fileformat = EOL_UNIX; | |
| 2083 break; | |
| 2084 } | |
| 2085 } | |
| 2086 | |
| 2087 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2088 if (fileformat == EOL_UNIX && try_mac) | |
| 2089 { | |
| 2090 /* Need to reset the counters when retrying fenc. */ | |
| 2091 try_mac = 1; | |
| 2092 try_unix = 1; | |
| 2093 for (; p >= ptr && *p != CAR; p--) | |
| 2094 ; | |
| 2095 if (p >= ptr) | |
| 2096 { | |
| 2097 for (p = ptr; p < ptr + size; ++p) | |
| 2098 { | |
| 2099 if (*p == NL) | |
| 2100 try_unix++; | |
| 2101 else if (*p == CAR) | |
| 2102 try_mac++; | |
| 2103 } | |
| 2104 if (try_mac > try_unix) | |
| 2105 fileformat = EOL_MAC; | |
| 2106 } | |
| 2107 } | |
| 2108 } | |
| 2109 | |
| 2110 /* No NL found: may use Mac format */ | |
| 2111 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2112 fileformat = EOL_MAC; | |
| 2113 | |
| 2114 /* Still nothing found? Use first format in 'ffs' */ | |
| 2115 if (fileformat == EOL_UNKNOWN) | |
| 2116 fileformat = default_fileformat(); | |
| 2117 | |
| 2118 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2119 if (set_options) |
| 7 | 2120 set_fileformat(fileformat, OPT_LOCAL); |
| 2121 } | |
| 2122 } | |
| 2123 | |
| 2124 /* | |
| 2125 * This loop is executed once for every character read. | |
| 2126 * Keep it fast! | |
| 2127 */ | |
| 2128 if (fileformat == EOL_MAC) | |
| 2129 { | |
| 2130 --ptr; | |
| 2131 while (++ptr, --size >= 0) | |
| 2132 { | |
| 2133 /* catch most common case first */ | |
| 2134 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2135 continue; | |
| 2136 if (c == NUL) | |
| 2137 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2138 else if (c == NL) | |
| 2139 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2140 else | |
| 2141 { | |
| 2142 if (skip_count == 0) | |
| 2143 { | |
| 2144 *ptr = NUL; /* end of line */ | |
| 2145 len = (colnr_T) (ptr - line_start + 1); | |
| 2146 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2147 { | |
| 2148 error = TRUE; | |
| 2149 break; | |
| 2150 } | |
|
2214
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2151 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
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parents:
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diff
changeset
|
2152 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
|
2153 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
|
2154 #endif |
| 7 | 2155 ++lnum; |
| 2156 if (--read_count == 0) | |
| 2157 { | |
| 2158 error = TRUE; /* break loop */ | |
| 2159 line_start = ptr; /* nothing left to write */ | |
| 2160 break; | |
| 2161 } | |
| 2162 } | |
| 2163 else | |
| 2164 --skip_count; | |
| 2165 line_start = ptr + 1; | |
| 2166 } | |
| 2167 } | |
| 2168 } | |
| 2169 else | |
| 2170 { | |
| 2171 --ptr; | |
| 2172 while (++ptr, --size >= 0) | |
| 2173 { | |
| 2174 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2175 continue; | |
| 2176 if (c == NUL) | |
| 2177 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2178 else | |
| 2179 { | |
| 2180 if (skip_count == 0) | |
| 2181 { | |
| 2182 *ptr = NUL; /* end of line */ | |
| 2183 len = (colnr_T)(ptr - line_start + 1); | |
| 2184 if (fileformat == EOL_DOS) | |
| 2185 { | |
| 2186 if (ptr[-1] == CAR) /* remove CR */ | |
| 2187 { | |
| 2188 ptr[-1] = NUL; | |
| 2189 --len; | |
| 2190 } | |
| 2191 /* | |
| 2192 * Reading in Dos format, but no CR-LF found! | |
| 2193 * When 'fileformats' includes "unix", delete all | |
| 2194 * the lines read so far and start all over again. | |
| 2195 * Otherwise give an error message later. | |
| 2196 */ | |
| 2197 else if (ff_error != EOL_DOS) | |
| 2198 { | |
| 2199 if ( try_unix | |
| 2200 && !read_stdin | |
| 2201 && (read_buffer | |
| 2202 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2203 { | |
| 2204 fileformat = EOL_UNIX; | |
| 819 | 2205 if (set_options) |
| 7 | 2206 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2207 file_rewind = TRUE; | |
| 2208 keep_fileformat = TRUE; | |
| 2209 goto retry; | |
| 2210 } | |
| 2211 ff_error = EOL_DOS; | |
| 2212 } | |
| 2213 } | |
| 2214 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2215 { | |
| 2216 error = TRUE; | |
| 2217 break; | |
| 2218 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2219 #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
|
2220 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
|
2221 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
|
2222 #endif |
| 7 | 2223 ++lnum; |
| 2224 if (--read_count == 0) | |
| 2225 { | |
| 2226 error = TRUE; /* break loop */ | |
| 2227 line_start = ptr; /* nothing left to write */ | |
| 2228 break; | |
| 2229 } | |
| 2230 } | |
| 2231 else | |
| 2232 --skip_count; | |
| 2233 line_start = ptr + 1; | |
| 2234 } | |
| 2235 } | |
| 2236 } | |
| 2237 linerest = (long)(ptr - line_start); | |
| 2238 ui_breakcheck(); | |
| 2239 } | |
| 2240 | |
| 2241 failed: | |
| 2242 /* not an error, max. number of lines reached */ | |
| 2243 if (error && read_count == 0) | |
| 2244 error = FALSE; | |
| 2245 | |
| 2246 /* | |
| 2247 * If we get EOF in the middle of a line, note the fact and | |
| 2248 * complete the line ourselves. | |
| 2249 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2250 */ | |
| 2251 if (!error | |
| 2252 && !got_int | |
| 2253 && linerest != 0 | |
| 2254 && !(!curbuf->b_p_bin | |
| 2255 && fileformat == EOL_DOS | |
| 2256 && *line_start == Ctrl_Z | |
| 2257 && ptr == line_start + 1)) | |
| 2258 { | |
| 819 | 2259 /* remember for when writing */ |
| 2260 if (set_options) | |
| 7 | 2261 curbuf->b_p_eol = FALSE; |
| 2262 *ptr = NUL; | |
|
2214
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Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2263 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
|
2264 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
| 7 | 2265 error = TRUE; |
| 2266 else | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2267 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2268 #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
|
2269 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
|
2270 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
|
2271 #endif |
| 7 | 2272 read_no_eol_lnum = ++lnum; |
|
2214
f8222d1f9a73
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2273 } |
| 7 | 2274 } |
| 2275 | |
| 819 | 2276 if (set_options) |
| 7 | 2277 save_file_ff(curbuf); /* remember the current file format */ |
| 2278 | |
| 2279 #ifdef FEAT_CRYPT | |
| 2280 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
|
2281 free_crypt_key(cryptkey); |
| 7 | 2282 #endif |
| 2283 | |
| 2284 #ifdef FEAT_MBYTE | |
| 819 | 2285 /* If editing a new file: set 'fenc' for the current buffer. |
| 2286 * Also for ":read ++edit file". */ | |
| 2287 if (set_options) | |
| 7 | 2288 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2289 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2290 if (fenc_alloced) |
| 2291 vim_free(fenc); | |
| 2292 # ifdef USE_ICONV | |
| 2293 if (iconv_fd != (iconv_t)-1) | |
| 2294 { | |
| 2295 iconv_close(iconv_fd); | |
| 2296 iconv_fd = (iconv_t)-1; | |
| 2297 } | |
| 2298 # endif | |
| 2299 #endif | |
| 2300 | |
| 2301 if (!read_buffer && !read_stdin) | |
| 2302 close(fd); /* errors are ignored */ | |
| 2003 | 2303 #ifdef HAVE_FD_CLOEXEC |
| 2304 else | |
| 2305 { | |
| 2306 int fdflags = fcntl(fd, F_GETFD); | |
| 2307 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2308 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2309 } | |
| 2310 #endif | |
| 7 | 2311 vim_free(buffer); |
| 2312 | |
| 2313 #ifdef HAVE_DUP | |
| 2314 if (read_stdin) | |
| 2315 { | |
| 2316 /* Use stderr for stdin, makes shell commands work. */ | |
| 2317 close(0); | |
| 1757 | 2318 ignored = dup(2); |
| 7 | 2319 } |
| 2320 #endif | |
| 2321 | |
| 2322 #ifdef FEAT_MBYTE | |
| 2323 if (tmpname != NULL) | |
| 2324 { | |
| 2325 mch_remove(tmpname); /* delete converted file */ | |
| 2326 vim_free(tmpname); | |
| 2327 } | |
| 2328 #endif | |
| 2329 --no_wait_return; /* may wait for return now */ | |
| 2330 | |
| 2331 /* | |
| 2332 * In recovery mode everything but autocommands is skipped. | |
| 2333 */ | |
| 2334 if (!recoverymode) | |
| 2335 { | |
| 2336 /* need to delete the last line, which comes from the empty buffer */ | |
| 2337 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2338 { | |
| 2339 #ifdef FEAT_NETBEANS_INTG | |
| 2340 netbeansFireChanges = 0; | |
| 2341 #endif | |
| 2342 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2343 #ifdef FEAT_NETBEANS_INTG | |
| 2344 netbeansFireChanges = 1; | |
| 2345 #endif | |
| 2346 --linecnt; | |
| 2347 } | |
| 2348 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2349 if (filesize == 0) | |
| 2350 linecnt = 0; | |
| 2351 if (newfile || read_buffer) | |
| 1201 | 2352 { |
| 7 | 2353 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2354 #ifdef FEAT_DIFF |
| 2355 /* After reading the text into the buffer the diff info needs to | |
| 2356 * be updated. */ | |
| 2357 diff_invalidate(curbuf); | |
| 2358 #endif | |
| 2359 #ifdef FEAT_FOLDING | |
| 2360 /* All folds in the window are invalid now. Mark them for update | |
| 2361 * before triggering autocommands. */ | |
| 2362 foldUpdateAll(curwin); | |
| 2363 #endif | |
| 2364 } | |
| 7 | 2365 else if (linecnt) /* appended at least one line */ |
| 2366 appended_lines_mark(from, linecnt); | |
| 2367 | |
| 2368 #ifndef ALWAYS_USE_GUI | |
| 2369 /* | |
| 2370 * If we were reading from the same terminal as where messages go, | |
| 2371 * the screen will have been messed up. | |
| 2372 * Switch on raw mode now and clear the screen. | |
| 2373 */ | |
| 2374 if (read_stdin) | |
| 2375 { | |
| 2376 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2377 starttermcap(); | |
| 2378 screenclear(); | |
| 2379 } | |
| 2380 #endif | |
| 2381 | |
| 2382 if (got_int) | |
| 2383 { | |
| 2384 if (!(flags & READ_DUMMY)) | |
| 2385 { | |
| 2386 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2387 if (newfile) | |
| 2388 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2389 } | |
| 2390 msg_scroll = msg_save; | |
| 2391 #ifdef FEAT_VIMINFO | |
| 2392 check_marks_read(); | |
| 2393 #endif | |
| 2394 return OK; /* an interrupt isn't really an error */ | |
| 2395 } | |
| 2396 | |
| 2397 if (!filtering && !(flags & READ_DUMMY)) | |
| 2398 { | |
| 2399 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2400 c = FALSE; | |
| 2401 | |
| 2402 #ifdef UNIX | |
| 2403 # ifdef S_ISFIFO | |
| 2404 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2405 { | |
| 2406 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2407 c = TRUE; | |
| 2408 } | |
| 2409 # else | |
| 2410 # ifdef S_IFIFO | |
| 2411 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2412 { | |
| 2413 STRCAT(IObuff, _("[fifo]")); | |
| 2414 c = TRUE; | |
| 2415 } | |
| 2416 # endif | |
| 2417 # ifdef S_IFSOCK | |
| 2418 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2419 { | |
| 2420 STRCAT(IObuff, _("[socket]")); | |
| 2421 c = TRUE; | |
| 2422 } | |
| 2423 # endif | |
| 2424 # endif | |
| 1313 | 2425 # ifdef OPEN_CHR_FILES |
| 2426 if (S_ISCHR(perm)) /* or character special */ | |
| 2427 { | |
| 2428 STRCAT(IObuff, _("[character special]")); | |
| 2429 c = TRUE; | |
| 2430 } | |
| 2431 # endif | |
| 7 | 2432 #endif |
| 2433 if (curbuf->b_p_ro) | |
| 2434 { | |
| 2435 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2436 c = TRUE; | |
| 2437 } | |
| 2438 if (read_no_eol_lnum) | |
| 2439 { | |
| 2440 msg_add_eol(); | |
| 2441 c = TRUE; | |
| 2442 } | |
| 2443 if (ff_error == EOL_DOS) | |
| 2444 { | |
| 2445 STRCAT(IObuff, _("[CR missing]")); | |
| 2446 c = TRUE; | |
| 2447 } | |
| 2448 if (split) | |
| 2449 { | |
| 2450 STRCAT(IObuff, _("[long lines split]")); | |
| 2451 c = TRUE; | |
| 2452 } | |
| 2453 #ifdef FEAT_MBYTE | |
| 2454 if (notconverted) | |
| 2455 { | |
| 2456 STRCAT(IObuff, _("[NOT converted]")); | |
| 2457 c = TRUE; | |
| 2458 } | |
| 2459 else if (converted) | |
| 2460 { | |
| 2461 STRCAT(IObuff, _("[converted]")); | |
| 2462 c = TRUE; | |
| 2463 } | |
| 2464 #endif | |
| 2465 #ifdef FEAT_CRYPT | |
| 2466 if (cryptkey != NULL) | |
| 2467 { | |
| 2468 STRCAT(IObuff, _("[crypted]")); | |
| 2469 c = TRUE; | |
| 2470 } | |
| 2471 #endif | |
| 2472 #ifdef FEAT_MBYTE | |
| 595 | 2473 if (conv_error != 0) |
| 2474 { | |
| 2475 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2476 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2477 c = TRUE; |
| 2478 } | |
| 2479 else if (illegal_byte > 0) | |
| 2480 { | |
| 2481 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2482 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2483 c = TRUE; | |
| 2484 } | |
| 2485 else | |
| 2486 #endif | |
| 2487 if (error) | |
| 2488 { | |
| 2489 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2490 c = TRUE; | |
| 2491 } | |
| 2492 if (msg_add_fileformat(fileformat)) | |
| 2493 c = TRUE; | |
| 2494 #ifdef FEAT_CRYPT | |
| 2495 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
|
2496 msg_add_lines(c, (long)linecnt, filesize |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2497 - CRYPT_MAGIC_LEN |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2498 - crypt_salt_len[use_crypt_method] |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2499 - crypt_seed_len[use_crypt_method]); |
| 7 | 2500 else |
| 2501 #endif | |
| 2502 msg_add_lines(c, (long)linecnt, filesize); | |
| 2503 | |
| 2504 vim_free(keep_msg); | |
| 2505 keep_msg = NULL; | |
| 2506 msg_scrolled_ign = TRUE; | |
| 2507 #ifdef ALWAYS_USE_GUI | |
| 2508 /* Don't show the message when reading stdin, it would end up in a | |
| 2509 * message box (which might be shown when exiting!) */ | |
| 2510 if (read_stdin || read_buffer) | |
| 2511 p = msg_may_trunc(FALSE, IObuff); | |
| 2512 else | |
| 2513 #endif | |
| 2514 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2515 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2516 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2517 /* Need to repeat the message after redrawing when: |
| 2518 * - When reading from stdin (the screen will be cleared next). | |
| 2519 * - When restart_edit is set (otherwise there will be a delay | |
| 2520 * before redrawing). | |
| 2521 * - When the screen was scrolled but there is no wait-return | |
| 2522 * prompt. */ | |
| 679 | 2523 set_keep_msg(p, 0); |
| 7 | 2524 msg_scrolled_ign = FALSE; |
| 2525 } | |
| 2526 | |
| 2527 /* with errors writing the file requires ":w!" */ | |
| 2528 if (newfile && (error | |
| 2529 #ifdef FEAT_MBYTE | |
| 595 | 2530 || conv_error != 0 |
| 679 | 2531 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2532 #endif |
| 2533 )) | |
| 2534 curbuf->b_p_ro = TRUE; | |
| 2535 | |
| 2536 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2537 | |
| 2538 /* | |
| 2539 * In Ex mode: cursor at last new line. | |
| 2540 * Otherwise: cursor at first new line. | |
| 2541 */ | |
| 2542 if (exmode_active) | |
| 2543 curwin->w_cursor.lnum = from + linecnt; | |
| 2544 else | |
| 2545 curwin->w_cursor.lnum = from + 1; | |
| 2546 check_cursor_lnum(); | |
| 2547 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2548 | |
| 2549 /* | |
| 2550 * Set '[ and '] marks to the newly read lines. | |
| 2551 */ | |
| 2552 curbuf->b_op_start.lnum = from + 1; | |
| 2553 curbuf->b_op_start.col = 0; | |
| 2554 curbuf->b_op_end.lnum = from + linecnt; | |
| 2555 curbuf->b_op_end.col = 0; | |
| 696 | 2556 |
| 2557 #ifdef WIN32 | |
| 2558 /* | |
| 2559 * Work around a weird problem: When a file has two links (only | |
| 2560 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2561 * through the other link, the timestamp information may be wrong. |
| 696 | 2562 * It's correct again after reading the file, thus reset the timestamp |
| 2563 * here. | |
| 2564 */ | |
| 2565 if (newfile && !read_stdin && !read_buffer | |
| 2566 && mch_stat((char *)fname, &st) >= 0) | |
| 2567 { | |
| 2568 buf_store_time(curbuf, &st, fname); | |
| 2569 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2570 } | |
| 2571 #endif | |
| 7 | 2572 } |
| 2573 msg_scroll = msg_save; | |
| 2574 | |
| 2575 #ifdef FEAT_VIMINFO | |
| 2576 /* | |
| 2577 * Get the marks before executing autocommands, so they can be used there. | |
| 2578 */ | |
| 2579 check_marks_read(); | |
| 2580 #endif | |
| 2581 | |
| 2582 /* | |
| 2583 * Trick: We remember if the last line of the read didn't have | |
| 2584 * an eol for when writing it again. This is required for | |
| 2585 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
| 2586 */ | |
| 2587 write_no_eol_lnum = read_no_eol_lnum; | |
| 2588 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2589 #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
|
2590 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2591 * When opening a new file locate undo info and read it. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2592 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2593 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
|
2594 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2595 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
|
2596 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2597 sha256_finish(&sha_ctx, hash); |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2217
diff
changeset
|
2598 u_read_undo(NULL, hash, fname); |
|
2214
f8222d1f9a73
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2599 } |
|
f8222d1f9a73
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2600 #endif |
|
f8222d1f9a73
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2601 |
| 167 | 2602 #ifdef FEAT_AUTOCMD |
| 7 | 2603 if (!read_stdin && !read_buffer) |
| 2604 { | |
| 2605 int m = msg_scroll; | |
| 2606 int n = msg_scrolled; | |
| 2607 | |
| 2608 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2609 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2610 if (set_options) |
| 7 | 2611 save_file_ff(curbuf); |
| 2612 | |
| 2613 /* | |
| 2614 * The output from the autocommands should not overwrite anything and | |
| 2615 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2616 * output was done. | |
| 2617 */ | |
| 2618 msg_scroll = TRUE; | |
| 2619 if (filtering) | |
| 2620 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2621 FALSE, curbuf, eap); | |
| 2622 else if (newfile) | |
| 2623 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2624 FALSE, curbuf, eap); | |
| 2625 else | |
| 2626 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2627 FALSE, NULL, eap); | |
| 2628 if (msg_scrolled == n) | |
| 2629 msg_scroll = m; | |
| 2630 #ifdef FEAT_EVAL | |
| 2631 if (aborting()) /* autocmds may abort script processing */ | |
| 2632 return FAIL; | |
| 2633 #endif | |
| 2634 } | |
| 2635 #endif | |
| 2636 | |
| 2637 if (recoverymode && error) | |
| 2638 return FAIL; | |
| 2639 return OK; | |
| 2640 } | |
| 2641 | |
| 1313 | 2642 #ifdef OPEN_CHR_FILES |
| 2643 /* | |
| 2644 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2645 * which is the name of files used for process substitution output by | |
| 2646 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2647 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2648 */ | |
| 2649 static int | |
| 2650 is_dev_fd_file(fname) | |
| 2651 char_u *fname; | |
| 2652 { | |
| 2653 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2654 && VIM_ISDIGIT(fname[8]) | |
| 2655 && *skipdigits(fname + 9) == NUL | |
| 2656 && (fname[9] != NUL | |
| 2657 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2658 } | |
| 2659 #endif | |
| 2660 | |
| 595 | 2661 #ifdef FEAT_MBYTE |
| 2662 | |
| 2663 /* | |
| 2664 * From the current line count and characters read after that, estimate the | |
| 2665 * line number where we are now. | |
| 2666 * Used for error messages that include a line number. | |
| 2667 */ | |
| 2668 static linenr_T | |
| 2669 readfile_linenr(linecnt, p, endp) | |
| 2670 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2671 char_u *p; /* start of more bytes read */ | |
| 2672 char_u *endp; /* end of more bytes read */ | |
| 2673 { | |
| 2674 char_u *s; | |
| 2675 linenr_T lnum; | |
| 2676 | |
| 2677 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2678 for (s = p; s < endp; ++s) | |
| 2679 if (*s == '\n') | |
| 2680 ++lnum; | |
| 2681 return lnum; | |
| 2682 } | |
| 2683 #endif | |
| 2684 | |
| 7 | 2685 /* |
| 612 | 2686 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2687 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2688 * Returns OK or FAIL. |
| 2689 */ | |
| 2690 int | |
| 2691 prep_exarg(eap, buf) | |
| 2692 exarg_T *eap; | |
| 2693 buf_T *buf; | |
| 2694 { | |
| 2695 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2696 #ifdef FEAT_MBYTE | |
| 2697 + STRLEN(buf->b_p_fenc) | |
| 2698 #endif | |
| 2699 + 15)); | |
| 2700 if (eap->cmd == NULL) | |
| 2701 return FAIL; | |
| 2702 | |
| 2703 #ifdef FEAT_MBYTE | |
| 2704 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2705 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2706 eap->bad_char = buf->b_bad_char; |
| 7 | 2707 #else |
| 2708 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2709 #endif | |
| 2710 eap->force_ff = 7; | |
| 612 | 2711 |
| 2712 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2713 eap->read_edit = FALSE; |
| 612 | 2714 eap->forceit = FALSE; |
| 7 | 2715 return OK; |
| 2716 } | |
| 2717 | |
| 2718 #ifdef FEAT_MBYTE | |
| 2719 /* | |
| 2720 * Find next fileencoding to use from 'fileencodings'. | |
| 2721 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2722 * When there are no more items, an empty string is returned and *pp is set to | |
| 2723 * NULL. | |
| 2724 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2725 */ | |
| 2726 static char_u * | |
| 2727 next_fenc(pp) | |
| 2728 char_u **pp; | |
| 2729 { | |
| 2730 char_u *p; | |
| 2731 char_u *r; | |
| 2732 | |
| 2733 if (**pp == NUL) | |
| 2734 { | |
| 2735 *pp = NULL; | |
| 2736 return (char_u *)""; | |
| 2737 } | |
| 2738 p = vim_strchr(*pp, ','); | |
| 2739 if (p == NULL) | |
| 2740 { | |
| 2741 r = enc_canonize(*pp); | |
| 2742 *pp += STRLEN(*pp); | |
| 2743 } | |
| 2744 else | |
| 2745 { | |
| 2746 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2747 *pp = p + 1; | |
| 2748 if (r != NULL) | |
| 2749 { | |
| 2750 p = enc_canonize(r); | |
| 2751 vim_free(r); | |
| 2752 r = p; | |
| 2753 } | |
| 2754 } | |
| 2755 if (r == NULL) /* out of memory */ | |
| 2756 { | |
| 2757 r = (char_u *)""; | |
| 2758 *pp = NULL; | |
| 2759 } | |
| 2760 return r; | |
| 2761 } | |
| 2762 | |
| 2763 # ifdef FEAT_EVAL | |
| 2764 /* | |
| 2765 * Convert a file with the 'charconvert' expression. | |
| 2766 * This closes the file which is to be read, converts it and opens the | |
| 2767 * resulting file for reading. | |
| 2768 * Returns name of the resulting converted file (the caller should delete it | |
| 2769 * after reading it). | |
| 2770 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2771 */ | |
| 2772 static char_u * | |
| 2773 readfile_charconvert(fname, fenc, fdp) | |
| 2774 char_u *fname; /* name of input file */ | |
| 2775 char_u *fenc; /* converted from */ | |
| 2776 int *fdp; /* in/out: file descriptor of file */ | |
| 2777 { | |
| 2778 char_u *tmpname; | |
| 2779 char_u *errmsg = NULL; | |
| 2780 | |
| 2781 tmpname = vim_tempname('r'); | |
| 2782 if (tmpname == NULL) | |
| 2783 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2784 else | |
| 2785 { | |
| 2786 close(*fdp); /* close the input file, ignore errors */ | |
| 2787 *fdp = -1; | |
| 2788 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2789 fname, tmpname) == FAIL) | |
| 2790 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2791 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2792 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2793 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2794 } | |
| 2795 | |
| 2796 if (errmsg != NULL) | |
| 2797 { | |
| 2798 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2799 * another type of conversion might still work. */ | |
| 2800 MSG(errmsg); | |
| 2801 if (tmpname != NULL) | |
| 2802 { | |
| 2803 mch_remove(tmpname); /* delete converted file */ | |
| 2804 vim_free(tmpname); | |
| 2805 tmpname = NULL; | |
| 2806 } | |
| 2807 } | |
| 2808 | |
| 2809 /* If the input file is closed, open it (caller should check for error). */ | |
| 2810 if (*fdp < 0) | |
| 2811 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2812 | |
| 2813 return tmpname; | |
| 2814 } | |
| 2815 # endif | |
| 2816 | |
| 2817 #endif | |
| 2818 | |
| 2819 #ifdef FEAT_VIMINFO | |
| 2820 /* | |
| 2821 * Read marks for the current buffer from the viminfo file, when we support | |
| 2822 * buffer marks and the buffer has a name. | |
| 2823 */ | |
| 2824 static void | |
| 2825 check_marks_read() | |
| 2826 { | |
| 2827 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2828 && curbuf->b_ffname != NULL) | |
| 1733 | 2829 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2830 |
| 2831 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2832 * the ' parameter after opening a buffer. */ | |
| 2833 curbuf->b_marks_read = TRUE; | |
| 2834 } | |
| 2835 #endif | |
| 2836 | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2837 #if defined(FEAT_CRYPT) || defined(PROTO) |
| 7 | 2838 /* |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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parents:
2147
diff
changeset
|
2839 * Get the crypt method used for a file from "ptr[len]", the magic text at the |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2840 * start of the file. |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2841 * Returns -1 when no encryption used. |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2842 */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2843 static int |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2844 get_crypt_method(ptr, len) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2845 char *ptr; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2846 int len; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2847 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2848 int i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2849 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2850 for (i = 0; i < (int)(sizeof(crypt_magic) / sizeof(crypt_magic[0])); i++) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2851 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2852 if (len < (CRYPT_MAGIC_LEN + crypt_salt_len[i] + crypt_seed_len[i])) |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2853 continue; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2854 if (memcmp(ptr, crypt_magic[i], CRYPT_MAGIC_LEN) == 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2855 return i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2856 } |
|
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
|
2857 |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
2858 i = (int)STRLEN(crypt_magic_head); |
|
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
|
2859 if (len >= i && memcmp(ptr, crypt_magic_head, i) == 0) |
|
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2860 EMSG(_("E821: File is encrypted with unknown method")); |
|
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
2861 |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2862 return -1; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2863 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2864 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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parents:
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diff
changeset
|
2865 /* |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2866 * Check for magic number used for encryption. Applies to the current buffer. |
| 7 | 2867 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
| 2868 * *filesizep are updated. | |
| 2869 * Return the (new) encryption key, NULL for no encryption. | |
| 2870 */ | |
| 2871 static char_u * | |
|
2204
c493d6bfde09
A few more changes for encryption. Add test that encrypted file can be read.
Bram Moolenaar <bram@vim.org>
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2180
diff
changeset
|
2872 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, did_ask) |
| 7 | 2873 char_u *cryptkey; /* previous encryption key or NULL */ |
| 2874 char_u *ptr; /* pointer to read bytes */ | |
| 2875 long *sizep; /* length of read bytes */ | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2876 off_t *filesizep; /* nr of bytes used from file */ |
| 7 | 2877 int newfile; /* editing a new buffer */ |
|
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
|
2878 int *did_ask; /* flag: whether already asked for key */ |
| 7 | 2879 { |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2880 int method = get_crypt_method((char *)ptr, *sizep); |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2881 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2882 if (method >= 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2883 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2884 curbuf->b_p_cm = method; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2885 use_crypt_method = method; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2886 if (method > 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2887 (void)blowfish_self_test(); |
|
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
|
2888 if (cryptkey == NULL && !*did_ask) |
| 7 | 2889 { |
| 2890 if (*curbuf->b_p_key) | |
| 2891 cryptkey = curbuf->b_p_key; | |
| 2892 else | |
| 2893 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2894 /* When newfile is TRUE, store the typed key in the 'key' |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2895 * option and don't free it. bf needs hash of the key saved. |
|
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
|
2896 * 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
|
2897 * Happens when retrying to detect encoding. */ |
| 7 | 2898 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
|
2899 *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
|
2900 |
| 7 | 2901 /* check if empty key entered */ |
| 2902 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2903 { | |
| 2904 if (cryptkey != curbuf->b_p_key) | |
| 2905 vim_free(cryptkey); | |
| 2906 cryptkey = NULL; | |
| 2907 } | |
| 2908 } | |
| 2909 } | |
| 2910 | |
| 2911 if (cryptkey != NULL) | |
| 2912 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2913 int seed_len = crypt_seed_len[method]; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2914 int salt_len = crypt_salt_len[method]; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2915 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2916 if (method == 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2917 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
|
2918 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2919 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2920 bf_key_init(cryptkey, ptr + CRYPT_MAGIC_LEN, salt_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2921 bf_ofb_init(ptr + CRYPT_MAGIC_LEN + salt_len, seed_len); |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2922 } |
| 7 | 2923 |
| 2924 /* Remove magic number from the text */ | |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2925 *filesizep += CRYPT_MAGIC_LEN + salt_len + seed_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2926 *sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2927 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len, (size_t)*sizep); |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2928 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2929 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2930 /* 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
|
2931 * the 'key' option, except when starting up (called with -x argument) */ |
| 7 | 2932 else if (newfile && *curbuf->b_p_key && !starting) |
| 2933 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); | |
| 2934 | |
| 2935 return cryptkey; | |
| 2936 } | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2937 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2938 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2939 * Check for magic number used for encryption. Applies to the current buffer. |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2940 * If found and decryption is possible returns OK; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2941 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2942 int |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2943 prepare_crypt_read(fp) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2944 FILE *fp; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2945 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2946 int method; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2947 char_u buffer[CRYPT_MAGIC_LEN + CRYPT_SALT_LEN_MAX |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2948 + CRYPT_SEED_LEN_MAX + 2]; |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2949 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2950 if (fread(buffer, CRYPT_MAGIC_LEN, 1, fp) != 1) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2951 return FAIL; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2952 method = get_crypt_method((char *)buffer, |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2953 CRYPT_MAGIC_LEN + |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2954 CRYPT_SEED_LEN_MAX + |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2955 CRYPT_SALT_LEN_MAX); |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2956 if (method < 0 || method != curbuf->b_p_cm) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2957 return FAIL; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2958 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2959 if (method == 0) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2960 crypt_init_keys(curbuf->b_p_key); |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2961 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2962 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2963 int salt_len = crypt_salt_len[method]; |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2964 int seed_len = crypt_seed_len[method]; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2965 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2966 if (fread(buffer, salt_len + seed_len, 1, fp) != 1) |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2967 return FAIL; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2968 bf_key_init(curbuf->b_p_key, buffer, salt_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2969 bf_ofb_init(buffer + salt_len, seed_len); |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2970 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2971 return OK; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2972 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2973 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2974 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2975 * Prepare for writing encrypted bytes for buffer "buf". |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2976 * Returns a pointer to an allocated header of length "*lenp". |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2977 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2978 char_u * |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2979 prepare_crypt_write(buf, lenp) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2980 buf_T *buf; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2981 int *lenp; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2982 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2983 char_u *header; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2984 int seed_len = crypt_seed_len[buf->b_p_cm]; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2985 int salt_len = crypt_salt_len[buf->b_p_cm]; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2986 char_u *salt; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2987 char_u *seed; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2988 |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2989 header = alloc_clear(CRYPT_MAGIC_LEN + CRYPT_SALT_LEN_MAX |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2990 + CRYPT_SEED_LEN_MAX + 2); |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2991 if (header != NULL) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2992 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2993 use_crypt_method = buf->b_p_cm; /* select pkzip or blowfish */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2994 vim_strncpy(header, (char_u *)crypt_magic[use_crypt_method], |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2995 CRYPT_MAGIC_LEN); |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2996 if (buf->b_p_cm == 0) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2997 crypt_init_keys(buf->b_p_key); |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2998 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2999 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3000 /* Using blowfish, add salt and seed. */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3001 salt = header + CRYPT_MAGIC_LEN; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3002 seed = salt + salt_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3003 sha2_seed(salt, salt_len, seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3004 bf_key_init(buf->b_p_key, salt, salt_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3005 bf_ofb_init(seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3006 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3007 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3008 *lenp = CRYPT_MAGIC_LEN + salt_len + seed_len; |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3009 return header; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3010 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3011 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3012 #endif /* FEAT_CRYPT */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3013 |
| 7 | 3014 #ifdef UNIX |
| 3015 static void | |
| 3016 set_file_time(fname, atime, mtime) | |
| 3017 char_u *fname; | |
| 3018 time_t atime; /* access time */ | |
| 3019 time_t mtime; /* modification time */ | |
| 3020 { | |
| 3021 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 3022 struct utimbuf buf; | |
| 3023 | |
| 3024 buf.actime = atime; | |
| 3025 buf.modtime = mtime; | |
| 3026 (void)utime((char *)fname, &buf); | |
| 3027 # else | |
| 3028 # if defined(HAVE_UTIMES) | |
| 3029 struct timeval tvp[2]; | |
| 3030 | |
| 3031 tvp[0].tv_sec = atime; | |
| 3032 tvp[0].tv_usec = 0; | |
| 3033 tvp[1].tv_sec = mtime; | |
| 3034 tvp[1].tv_usec = 0; | |
| 3035 # ifdef NeXT | |
| 3036 (void)utimes((char *)fname, tvp); | |
| 3037 # else | |
| 3038 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 3039 # endif | |
| 3040 # endif | |
| 3041 # endif | |
| 3042 } | |
| 3043 #endif /* UNIX */ | |
| 3044 | |
| 22 | 3045 #if defined(VMS) && !defined(MIN) |
| 3046 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 3047 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 3048 #endif | |
| 3049 | |
| 7 | 3050 /* |
| 1303 | 3051 * Return TRUE if a file appears to be read-only from the file permissions. |
| 3052 */ | |
| 3053 int | |
| 3054 check_file_readonly(fname, perm) | |
| 3055 char_u *fname; /* full path to file */ | |
| 3056 int perm; /* known permissions on file */ | |
| 3057 { | |
| 3058 #ifndef USE_MCH_ACCESS | |
| 3059 int fd = 0; | |
| 3060 #endif | |
| 3061 | |
| 3062 return ( | |
| 3063 #ifdef USE_MCH_ACCESS | |
| 3064 # ifdef UNIX | |
| 3065 (perm & 0222) == 0 || | |
| 3066 # endif | |
| 3067 mch_access((char *)fname, W_OK) | |
| 3068 #else | |
| 3069 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 3070 ? TRUE : (close(fd), FALSE) | |
| 3071 #endif | |
| 3072 ); | |
| 3073 } | |
| 3074 | |
| 3075 | |
| 3076 /* | |
| 589 | 3077 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 3078 * |
| 3079 * We do our own buffering here because fwrite() is so slow. | |
| 3080 * | |
| 589 | 3081 * If "forceit" is true, we don't care for errors when attempting backups. |
| 3082 * In case of an error everything possible is done to restore the original | |
| 1698 | 3083 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 3084 * |
| 3085 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 3086 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 3087 * |
| 3088 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 3089 * | |
| 3090 * return FAIL for failure, OK otherwise | |
| 3091 */ | |
| 3092 int | |
| 3093 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 3094 reset_changed, filtering) | |
| 3095 buf_T *buf; | |
| 3096 char_u *fname; | |
| 3097 char_u *sfname; | |
| 3098 linenr_T start, end; | |
| 3099 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 3100 NULL! */ | |
| 589 | 3101 int append; /* append to the file */ |
| 7 | 3102 int forceit; |
| 3103 int reset_changed; | |
| 3104 int filtering; | |
| 3105 { | |
| 3106 int fd; | |
| 3107 char_u *backup = NULL; | |
| 3108 int backup_copy = FALSE; /* copy the original file? */ | |
| 3109 int dobackup; | |
| 3110 char_u *ffname; | |
| 3111 char_u *wfname = NULL; /* name of file to write to */ | |
| 3112 char_u *s; | |
| 3113 char_u *ptr; | |
| 3114 char_u c; | |
| 3115 int len; | |
| 3116 linenr_T lnum; | |
| 3117 long nchars; | |
| 3118 char_u *errmsg = NULL; | |
| 1947 | 3119 int errmsg_allocated = FALSE; |
| 7 | 3120 char_u *errnum = NULL; |
| 3121 char_u *buffer; | |
| 3122 char_u smallbuf[SMBUFSIZE]; | |
| 3123 char_u *backup_ext; | |
| 3124 int bufsize; | |
| 3125 long perm; /* file permissions */ | |
| 3126 int retval = OK; | |
| 3127 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 3128 int msg_save = msg_scroll; | |
| 3129 int overwriting; /* TRUE if writing over original */ | |
| 3130 int no_eol = FALSE; /* no end-of-line written */ | |
| 3131 int device = FALSE; /* writing to a device */ | |
| 3132 struct stat st_old; | |
| 3133 int prev_got_int = got_int; | |
| 3134 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 3135 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 3136 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 3137 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 3138 #endif | |
| 3139 /* writing everything */ | |
| 3140 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 3141 #ifdef FEAT_AUTOCMD | |
| 3142 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 3143 #endif | |
| 3144 int attr; | |
| 3145 int fileformat; | |
| 3146 int write_bin; | |
| 3147 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 3148 #ifdef FEAT_MBYTE | |
| 3149 int converted = FALSE; | |
| 3150 int notconverted = FALSE; | |
| 3151 char_u *fenc; /* effective 'fileencoding' */ | |
| 3152 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 3153 #endif | |
| 3154 #ifdef HAS_BW_FLAGS | |
| 3155 int wb_flags = 0; | |
| 3156 #endif | |
| 3157 #ifdef HAVE_ACL | |
| 3158 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 3159 backup or new file */ | |
| 3160 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3161 #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
|
3162 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
|
3163 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
|
3164 #endif |
| 7 | 3165 |
| 3166 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 3167 return FAIL; | |
| 2028 | 3168 if (buf->b_ml.ml_mfp == NULL) |
| 3169 { | |
| 3170 /* This can happen during startup when there is a stray "w" in the | |
| 3171 * vimrc file. */ | |
| 3172 EMSG(_(e_emptybuf)); | |
| 3173 return FAIL; | |
| 3174 } | |
| 7 | 3175 |
| 3176 /* | |
| 3177 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3178 * security reasons. | |
| 3179 */ | |
| 3180 if (check_secure()) | |
| 3181 return FAIL; | |
| 3182 | |
| 3183 /* Avoid a crash for a long name. */ | |
| 3184 if (STRLEN(fname) >= MAXPATHL) | |
| 3185 { | |
| 3186 EMSG(_(e_longname)); | |
| 3187 return FAIL; | |
| 3188 } | |
| 3189 | |
| 3190 #ifdef FEAT_MBYTE | |
| 3191 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3192 write_info.bw_conv_buf = NULL; | |
| 3193 write_info.bw_conv_error = FALSE; | |
| 1947 | 3194 write_info.bw_conv_error_lnum = 0; |
| 7 | 3195 write_info.bw_restlen = 0; |
| 3196 # ifdef USE_ICONV | |
| 3197 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3198 # endif | |
| 3199 #endif | |
| 3200 | |
| 167 | 3201 /* After writing a file changedtick changes but we don't want to display |
| 3202 * the line. */ | |
| 3203 ex_no_reprint = TRUE; | |
| 3204 | |
| 7 | 3205 /* |
| 3206 * If there is no file name yet, use the one for the written file. | |
| 3207 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3208 * Don't do this when the write is for a filter command. | |
| 589 | 3209 * Don't do this when appending. |
| 3210 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3211 */ |
| 633 | 3212 if (buf->b_ffname == NULL |
| 3213 && reset_changed | |
| 7 | 3214 && whole |
| 3215 && buf == curbuf | |
| 236 | 3216 #ifdef FEAT_QUICKFIX |
| 3217 && !bt_nofile(buf) | |
| 3218 #endif | |
| 7 | 3219 && !filtering |
| 589 | 3220 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3221 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3222 { | |
| 633 | 3223 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3224 return FAIL; |
| 633 | 3225 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3226 } |
| 3227 | |
| 3228 if (sfname == NULL) | |
| 3229 sfname = fname; | |
| 3230 /* | |
| 3231 * For Unix: Use the short file name whenever possible. | |
| 3232 * Avoids problems with networks and when directory names are changed. | |
| 3233 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3234 * another directory, which we don't detect | |
| 3235 */ | |
| 3236 ffname = fname; /* remember full fname */ | |
| 3237 #ifdef UNIX | |
| 3238 fname = sfname; | |
| 3239 #endif | |
| 3240 | |
| 3241 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3242 overwriting = TRUE; | |
| 3243 else | |
| 3244 overwriting = FALSE; | |
| 3245 | |
| 3246 if (exiting) | |
| 3247 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
| 3248 | |
| 3249 ++no_wait_return; /* don't wait for return yet */ | |
| 3250 | |
| 3251 /* | |
| 3252 * Set '[ and '] marks to the lines to be written. | |
| 3253 */ | |
| 3254 buf->b_op_start.lnum = start; | |
| 3255 buf->b_op_start.col = 0; | |
| 3256 buf->b_op_end.lnum = end; | |
| 3257 buf->b_op_end.col = 0; | |
| 3258 | |
| 3259 #ifdef FEAT_AUTOCMD | |
| 3260 { | |
| 3261 aco_save_T aco; | |
| 3262 int buf_ffname = FALSE; | |
| 3263 int buf_sfname = FALSE; | |
| 3264 int buf_fname_f = FALSE; | |
| 3265 int buf_fname_s = FALSE; | |
| 3266 int did_cmd = FALSE; | |
| 17 | 3267 int nofile_err = FALSE; |
| 161 | 3268 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3269 |
| 3270 /* | |
| 3271 * Apply PRE aucocommands. | |
| 3272 * Set curbuf to the buffer to be written. | |
| 3273 * Careful: The autocommands may call buf_write() recursively! | |
| 3274 */ | |
| 3275 if (ffname == buf->b_ffname) | |
| 3276 buf_ffname = TRUE; | |
| 3277 if (sfname == buf->b_sfname) | |
| 3278 buf_sfname = TRUE; | |
| 3279 if (fname == buf->b_ffname) | |
| 3280 buf_fname_f = TRUE; | |
| 3281 if (fname == buf->b_sfname) | |
| 3282 buf_fname_s = TRUE; | |
| 3283 | |
| 3284 /* set curwin/curbuf to buf and save a few things */ | |
| 3285 aucmd_prepbuf(&aco, buf); | |
| 3286 | |
| 3287 if (append) | |
| 3288 { | |
| 3289 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3290 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3291 { |
| 635 | 3292 #ifdef FEAT_QUICKFIX |
| 18 | 3293 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3294 nofile_err = TRUE; |
| 3295 else | |
| 635 | 3296 #endif |
| 17 | 3297 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3298 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3299 } |
| 7 | 3300 } |
| 3301 else if (filtering) | |
| 3302 { | |
| 3303 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3304 NULL, sfname, FALSE, curbuf, eap); | |
| 3305 } | |
| 3306 else if (reset_changed && whole) | |
| 3307 { | |
| 3308 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3309 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3310 { |
| 635 | 3311 #ifdef FEAT_QUICKFIX |
| 179 | 3312 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3313 nofile_err = TRUE; |
| 3314 else | |
| 635 | 3315 #endif |
| 17 | 3316 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3317 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3318 } |
| 7 | 3319 } |
| 3320 else | |
| 3321 { | |
| 3322 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3323 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3324 { |
| 635 | 3325 #ifdef FEAT_QUICKFIX |
| 179 | 3326 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3327 nofile_err = TRUE; |
| 3328 else | |
| 635 | 3329 #endif |
| 17 | 3330 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3331 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3332 } |
| 7 | 3333 } |
| 3334 | |
| 3335 /* restore curwin/curbuf and a few other things */ | |
| 3336 aucmd_restbuf(&aco); | |
| 3337 | |
| 3338 /* | |
| 3339 * In three situations we return here and don't write the file: | |
| 3340 * 1. the autocommands deleted or unloaded the buffer. | |
| 3341 * 2. The autocommands abort script processing. | |
| 3342 * 3. If one of the "Cmd" autocommands was executed. | |
| 3343 */ | |
| 3344 if (!buf_valid(buf)) | |
| 3345 buf = NULL; | |
| 161 | 3346 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3347 || did_cmd || nofile_err |
| 3348 #ifdef FEAT_EVAL | |
| 3349 || aborting() | |
| 3350 #endif | |
| 3351 ) | |
| 7 | 3352 { |
| 3353 --no_wait_return; | |
| 3354 msg_scroll = msg_save; | |
| 17 | 3355 if (nofile_err) |
| 3356 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3357 | |
| 532 | 3358 if (nofile_err |
| 3359 #ifdef FEAT_EVAL | |
| 3360 || aborting() | |
| 3361 #endif | |
| 3362 ) | |
| 7 | 3363 /* An aborting error, interrupt or exception in the |
| 3364 * autocommands. */ | |
| 3365 return FAIL; | |
| 3366 if (did_cmd) | |
| 3367 { | |
| 3368 if (buf == NULL) | |
| 3369 /* The buffer was deleted. We assume it was written | |
| 3370 * (can't retry anyway). */ | |
| 3371 return OK; | |
| 3372 if (overwriting) | |
| 3373 { | |
| 3374 /* Assume the buffer was written, update the timestamp. */ | |
| 3375 ml_timestamp(buf); | |
| 589 | 3376 if (append) |
| 3377 buf->b_flags &= ~BF_NEW; | |
| 3378 else | |
| 3379 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3380 } |
| 589 | 3381 if (reset_changed && buf->b_changed && !append |
| 39 | 3382 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3383 /* Buffer still changed, the autocommands didn't work |
| 3384 * properly. */ | |
| 3385 return FAIL; | |
| 3386 return OK; | |
| 3387 } | |
| 3388 #ifdef FEAT_EVAL | |
| 3389 if (!aborting()) | |
| 3390 #endif | |
| 3391 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3392 return FAIL; | |
| 3393 } | |
| 3394 | |
| 3395 /* | |
| 3396 * The autocommands may have changed the number of lines in the file. | |
| 3397 * When writing the whole file, adjust the end. | |
| 3398 * When writing part of the file, assume that the autocommands only | |
| 3399 * changed the number of lines that are to be written (tricky!). | |
| 3400 */ | |
| 3401 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3402 { | |
| 3403 if (whole) /* write all */ | |
| 3404 end = buf->b_ml.ml_line_count; | |
| 3405 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3406 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3407 else /* less lines */ | |
| 3408 { | |
| 3409 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3410 if (end < start) | |
| 3411 { | |
| 3412 --no_wait_return; | |
| 3413 msg_scroll = msg_save; | |
| 3414 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3415 return FAIL; | |
| 3416 } | |
| 3417 } | |
| 3418 } | |
| 3419 | |
| 3420 /* | |
| 3421 * The autocommands may have changed the name of the buffer, which may | |
| 3422 * be kept in fname, ffname and sfname. | |
| 3423 */ | |
| 3424 if (buf_ffname) | |
| 3425 ffname = buf->b_ffname; | |
| 3426 if (buf_sfname) | |
| 3427 sfname = buf->b_sfname; | |
| 3428 if (buf_fname_f) | |
| 3429 fname = buf->b_ffname; | |
| 3430 if (buf_fname_s) | |
| 3431 fname = buf->b_sfname; | |
| 3432 } | |
| 3433 #endif | |
| 3434 | |
| 3435 #ifdef FEAT_NETBEANS_INTG | |
| 2210 | 3436 if (netbeans_active() && isNetbeansBuffer(buf)) |
| 7 | 3437 { |
| 3438 if (whole) | |
| 3439 { | |
| 3440 /* | |
| 3441 * b_changed can be 0 after an undo, but we still need to write | |
| 3442 * the buffer to NetBeans. | |
| 3443 */ | |
| 3444 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3445 { | |
| 33 | 3446 --no_wait_return; /* may wait for return now */ |
| 3447 msg_scroll = msg_save; | |
| 3448 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3449 return retval; |
| 3450 } | |
| 3451 else | |
| 3452 { | |
| 3453 errnum = (char_u *)"E656: "; | |
| 1653 | 3454 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3455 buffer = NULL; |
| 3456 goto fail; | |
| 3457 } | |
| 3458 } | |
| 3459 else | |
| 3460 { | |
| 3461 errnum = (char_u *)"E657: "; | |
| 3462 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3463 buffer = NULL; | |
| 3464 goto fail; | |
| 3465 } | |
| 3466 } | |
| 3467 #endif | |
| 3468 | |
| 3469 if (shortmess(SHM_OVER) && !exiting) | |
| 3470 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3471 else | |
| 3472 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3473 if (!filtering) | |
| 3474 filemess(buf, | |
| 3475 #ifndef UNIX | |
| 3476 sfname, | |
| 3477 #else | |
| 3478 fname, | |
| 3479 #endif | |
| 3480 (char_u *)"", 0); /* show that we are busy */ | |
| 3481 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3482 | |
| 3483 buffer = alloc(BUFSIZE); | |
| 3484 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3485 * one (to be able to write when out of | |
| 3486 * memory) */ | |
| 3487 { | |
| 3488 buffer = smallbuf; | |
| 3489 bufsize = SMBUFSIZE; | |
| 3490 } | |
| 3491 else | |
| 3492 bufsize = BUFSIZE; | |
| 3493 | |
| 3494 /* | |
| 3495 * Get information about original file (if there is one). | |
| 3496 */ | |
| 3497 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3498 st_old.st_dev = 0; |
| 3499 st_old.st_ino = 0; | |
| 7 | 3500 perm = -1; |
| 3501 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3502 newfile = TRUE; | |
| 3503 else | |
| 3504 { | |
| 3505 perm = st_old.st_mode; | |
| 3506 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3507 { | |
| 3508 if (S_ISDIR(st_old.st_mode)) | |
| 3509 { | |
| 3510 errnum = (char_u *)"E502: "; | |
| 3511 errmsg = (char_u *)_("is a directory"); | |
| 3512 goto fail; | |
| 3513 } | |
| 3514 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3515 { | |
| 3516 errnum = (char_u *)"E503: "; | |
| 3517 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3518 goto fail; | |
| 3519 } | |
| 3520 /* It's a device of some kind (or a fifo) which we can write to | |
| 3521 * but for which we can't make a backup. */ | |
| 3522 device = TRUE; | |
| 3523 newfile = TRUE; | |
| 3524 perm = -1; | |
| 3525 } | |
| 3526 } | |
| 3527 #else /* !UNIX */ | |
| 3528 /* | |
| 3529 * Check for a writable device name. | |
| 3530 */ | |
| 3531 c = mch_nodetype(fname); | |
| 3532 if (c == NODE_OTHER) | |
| 3533 { | |
| 3534 errnum = (char_u *)"E503: "; | |
| 3535 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3536 goto fail; | |
| 3537 } | |
| 3538 if (c == NODE_WRITABLE) | |
| 3539 { | |
| 1004 | 3540 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3541 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3542 * trying to write to it. */ | |
| 3543 if (!p_odev) | |
| 3544 { | |
| 3545 errnum = (char_u *)"E796: "; | |
| 3546 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3547 goto fail; | |
| 3548 } | |
| 3549 # endif | |
| 7 | 3550 device = TRUE; |
| 3551 newfile = TRUE; | |
| 3552 perm = -1; | |
| 3553 } | |
| 3554 else | |
| 3555 { | |
| 3556 perm = mch_getperm(fname); | |
| 3557 if (perm < 0) | |
| 3558 newfile = TRUE; | |
| 3559 else if (mch_isdir(fname)) | |
| 3560 { | |
| 3561 errnum = (char_u *)"E502: "; | |
| 3562 errmsg = (char_u *)_("is a directory"); | |
| 3563 goto fail; | |
| 3564 } | |
| 3565 if (overwriting) | |
| 3566 (void)mch_stat((char *)fname, &st_old); | |
| 3567 } | |
| 3568 #endif /* !UNIX */ | |
| 3569 | |
| 3570 if (!device && !newfile) | |
| 3571 { | |
| 3572 /* | |
| 3573 * Check if the file is really writable (when renaming the file to | |
| 3574 * make a backup we won't discover it later). | |
| 3575 */ | |
| 1303 | 3576 file_readonly = check_file_readonly(fname, (int)perm); |
| 3577 | |
| 7 | 3578 if (!forceit && file_readonly) |
| 3579 { | |
| 3580 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3581 { | |
| 3582 errnum = (char_u *)"E504: "; | |
| 3583 errmsg = (char_u *)_(err_readonly); | |
| 3584 } | |
| 3585 else | |
| 3586 { | |
| 3587 errnum = (char_u *)"E505: "; | |
| 3588 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3589 } | |
| 3590 goto fail; | |
| 3591 } | |
| 3592 | |
| 3593 /* | |
| 3594 * Check if the timestamp hasn't changed since reading the file. | |
| 3595 */ | |
| 3596 if (overwriting) | |
| 3597 { | |
| 3598 retval = check_mtime(buf, &st_old); | |
| 3599 if (retval == FAIL) | |
| 3600 goto fail; | |
| 3601 } | |
| 3602 } | |
| 3603 | |
| 3604 #ifdef HAVE_ACL | |
| 3605 /* | |
| 3606 * For systems that support ACL: get the ACL from the original file. | |
| 3607 */ | |
| 3608 if (!newfile) | |
| 3609 acl = mch_get_acl(fname); | |
| 3610 #endif | |
| 3611 | |
| 3612 /* | |
| 3613 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3614 */ | |
| 3615 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3616 #ifdef FEAT_WILDIGN | |
| 3617 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3618 dobackup = FALSE; | |
| 3619 #endif | |
| 3620 | |
| 3621 /* | |
| 3622 * Save the value of got_int and reset it. We don't want a previous | |
| 3623 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3624 * abort it. | |
| 3625 */ | |
| 3626 prev_got_int = got_int; | |
| 3627 got_int = FALSE; | |
| 3628 | |
| 3629 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3630 buf->b_saving = TRUE; | |
| 3631 | |
| 3632 /* | |
| 3633 * If we are not appending or filtering, the file exists, and the | |
| 3634 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3635 * When 'patchmode' is set also make a backup when appending. | |
| 3636 * | |
| 3637 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3638 * off. This helps when editing large files on almost-full disks. | |
| 3639 */ | |
| 3640 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3641 { | |
| 3642 #if defined(UNIX) || defined(WIN32) | |
| 3643 struct stat st; | |
| 3644 #endif | |
| 3645 | |
| 3646 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3647 backup_copy = TRUE; | |
| 3648 #if defined(UNIX) || defined(WIN32) | |
| 3649 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3650 { | |
| 3651 int i; | |
| 3652 | |
| 3653 # ifdef UNIX | |
| 3654 /* | |
| 3655 * Don't rename the file when: | |
| 3656 * - it's a hard link | |
| 3657 * - it's a symbolic link | |
| 3658 * - we don't have write permission in the directory | |
| 3659 * - we can't set the owner/group of the new file | |
| 3660 */ | |
| 3661 if (st_old.st_nlink > 1 | |
| 3662 || mch_lstat((char *)fname, &st) < 0 | |
| 3663 || st.st_dev != st_old.st_dev | |
| 557 | 3664 || st.st_ino != st_old.st_ino |
| 3665 # ifndef HAVE_FCHOWN | |
| 3666 || st.st_uid != st_old.st_uid | |
| 3667 || st.st_gid != st_old.st_gid | |
| 3668 # endif | |
| 3669 ) | |
| 7 | 3670 backup_copy = TRUE; |
| 3671 else | |
| 696 | 3672 # else |
| 3673 # ifdef WIN32 | |
| 3674 /* On NTFS file systems hard links are possible. */ | |
| 3675 if (mch_is_linked(fname)) | |
| 3676 backup_copy = TRUE; | |
| 3677 else | |
| 3678 # endif | |
| 7 | 3679 # endif |
| 3680 { | |
| 3681 /* | |
| 3682 * Check if we can create a file and set the owner/group to | |
| 3683 * the ones from the original file. | |
| 3684 * First find a file name that doesn't exist yet (use some | |
| 3685 * arbitrary numbers). | |
| 3686 */ | |
| 3687 STRCPY(IObuff, fname); | |
| 3688 for (i = 4913; ; i += 123) | |
| 3689 { | |
| 3690 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3691 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3692 break; |
| 3693 } | |
| 557 | 3694 fd = mch_open((char *)IObuff, |
| 3695 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3696 if (fd < 0) /* can't write in directory */ |
| 3697 backup_copy = TRUE; | |
| 3698 else | |
| 3699 { | |
| 3700 # ifdef UNIX | |
| 557 | 3701 # ifdef HAVE_FCHOWN |
| 1757 | 3702 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3703 # endif |
| 7 | 3704 if (mch_stat((char *)IObuff, &st) < 0 |
| 3705 || st.st_uid != st_old.st_uid | |
| 3706 || st.st_gid != st_old.st_gid | |
| 1877 | 3707 || (long)st.st_mode != perm) |
| 7 | 3708 backup_copy = TRUE; |
| 3709 # endif | |
| 567 | 3710 /* Close the file before removing it, on MS-Windows we |
| 3711 * can't delete an open file. */ | |
| 3712 close(fd); | |
| 7 | 3713 mch_remove(IObuff); |
| 3714 } | |
| 3715 } | |
| 3716 } | |
| 3717 | |
| 3718 # ifdef UNIX | |
| 3719 /* | |
| 3720 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3721 */ | |
| 3722 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3723 { | |
| 3724 int lstat_res; | |
| 3725 | |
| 3726 lstat_res = mch_lstat((char *)fname, &st); | |
| 3727 | |
| 3728 /* Symlinks. */ | |
| 3729 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3730 && lstat_res == 0 | |
| 3731 && st.st_ino != st_old.st_ino) | |
| 3732 backup_copy = FALSE; | |
| 3733 | |
| 3734 /* Hardlinks. */ | |
| 3735 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3736 && st_old.st_nlink > 1 | |
| 3737 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3738 backup_copy = FALSE; | |
| 3739 } | |
| 3740 #endif | |
| 3741 | |
| 3742 #endif | |
| 3743 | |
| 3744 /* make sure we have a valid backup extension to use */ | |
| 3745 if (*p_bex == NUL) | |
| 3746 { | |
| 3747 #ifdef RISCOS | |
| 3748 backup_ext = (char_u *)"/bak"; | |
| 3749 #else | |
| 3750 backup_ext = (char_u *)".bak"; | |
| 3751 #endif | |
| 3752 } | |
| 3753 else | |
| 3754 backup_ext = p_bex; | |
| 3755 | |
| 3756 if (backup_copy | |
| 3757 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3758 { | |
| 3759 int bfd; | |
| 3760 char_u *copybuf, *wp; | |
| 3761 int some_error = FALSE; | |
| 3762 struct stat st_new; | |
| 3763 char_u *dirp; | |
| 3764 char_u *rootname; | |
| 344 | 3765 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3766 int did_set_shortname; |
| 3767 #endif | |
| 3768 | |
| 3769 copybuf = alloc(BUFSIZE + 1); | |
| 3770 if (copybuf == NULL) | |
| 3771 { | |
| 3772 some_error = TRUE; /* out of memory */ | |
| 3773 goto nobackup; | |
| 3774 } | |
| 3775 | |
| 3776 /* | |
| 3777 * Try to make the backup in each directory in the 'bdir' option. | |
| 3778 * | |
| 3779 * Unix semantics has it, that we may have a writable file, | |
| 3780 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3781 * - the directory is not writable, | |
| 3782 * - the file may be a symbolic link, | |
| 3783 * - the file may belong to another user/group, etc. | |
| 3784 * | |
| 3785 * For these reasons, the existing writable file must be truncated | |
| 3786 * and reused. Creation of a backup COPY will be attempted. | |
| 3787 */ | |
| 3788 dirp = p_bdir; | |
| 3789 while (*dirp) | |
| 3790 { | |
| 3791 #ifdef UNIX | |
| 3792 st_new.st_ino = 0; | |
| 3793 st_new.st_dev = 0; | |
| 3794 st_new.st_gid = 0; | |
| 3795 #endif | |
| 3796 | |
| 3797 /* | |
| 3798 * Isolate one directory name, using an entry in 'bdir'. | |
| 3799 */ | |
| 3800 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3801 rootname = get_file_in_dir(fname, copybuf); | |
| 3802 if (rootname == NULL) | |
| 3803 { | |
| 3804 some_error = TRUE; /* out of memory */ | |
| 3805 goto nobackup; | |
| 3806 } | |
| 3807 | |
| 344 | 3808 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3809 did_set_shortname = FALSE; |
| 3810 #endif | |
| 3811 | |
| 3812 /* | |
| 3813 * May try twice if 'shortname' not set. | |
| 3814 */ | |
| 3815 for (;;) | |
| 3816 { | |
| 3817 /* | |
| 3818 * Make backup file name. | |
| 3819 */ | |
| 3820 backup = buf_modname( | |
| 3821 #ifdef SHORT_FNAME | |
| 3822 TRUE, | |
| 3823 #else | |
| 3824 (buf->b_p_sn || buf->b_shortname), | |
| 3825 #endif | |
| 3826 rootname, backup_ext, FALSE); | |
| 3827 if (backup == NULL) | |
| 3828 { | |
| 3829 vim_free(rootname); | |
| 3830 some_error = TRUE; /* out of memory */ | |
| 3831 goto nobackup; | |
| 3832 } | |
| 3833 | |
| 3834 /* | |
| 3835 * Check if backup file already exists. | |
| 3836 */ | |
| 3837 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3838 { | |
| 3839 #ifdef UNIX | |
| 3840 /* | |
| 3841 * Check if backup file is same as original file. | |
| 3842 * May happen when modname() gave the same file back. | |
| 3843 * E.g. silly link, or file name-length reached. | |
| 3844 * If we don't check here, we either ruin the file | |
| 3845 * when copying or erase it after writing. jw. | |
| 3846 */ | |
| 3847 if (st_new.st_dev == st_old.st_dev | |
| 3848 && st_new.st_ino == st_old.st_ino) | |
| 3849 { | |
| 3850 vim_free(backup); | |
| 3851 backup = NULL; /* no backup file to delete */ | |
| 3852 # ifndef SHORT_FNAME | |
| 3853 /* | |
| 3854 * may try again with 'shortname' set | |
| 3855 */ | |
| 3856 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3857 { | |
| 3858 buf->b_shortname = TRUE; | |
| 3859 did_set_shortname = TRUE; | |
| 3860 continue; | |
| 3861 } | |
| 3862 /* setting shortname didn't help */ | |
| 3863 if (did_set_shortname) | |
| 3864 buf->b_shortname = FALSE; | |
| 3865 # endif | |
| 3866 break; | |
| 3867 } | |
| 3868 #endif | |
| 3869 | |
| 3870 /* | |
| 3871 * If we are not going to keep the backup file, don't | |
| 3872 * delete an existing one, try to use another name. | |
| 3873 * Change one character, just before the extension. | |
| 3874 */ | |
| 3875 if (!p_bk) | |
| 3876 { | |
| 3877 wp = backup + STRLEN(backup) - 1 | |
| 3878 - STRLEN(backup_ext); | |
| 3879 if (wp < backup) /* empty file name ??? */ | |
| 3880 wp = backup; | |
| 3881 *wp = 'z'; | |
| 3882 while (*wp > 'a' | |
| 3883 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3884 --*wp; | |
| 3885 /* They all exist??? Must be something wrong. */ | |
| 3886 if (*wp == 'a') | |
| 3887 { | |
| 3888 vim_free(backup); | |
| 3889 backup = NULL; | |
| 3890 } | |
| 3891 } | |
| 3892 } | |
| 3893 break; | |
| 3894 } | |
| 3895 vim_free(rootname); | |
| 3896 | |
| 3897 /* | |
| 3898 * Try to create the backup file | |
| 3899 */ | |
| 3900 if (backup != NULL) | |
| 3901 { | |
| 3902 /* remove old backup, if present */ | |
| 3903 mch_remove(backup); | |
| 3904 /* Open with O_EXCL to avoid the file being created while | |
| 3905 * we were sleeping (symlink hacker attack?) */ | |
| 3906 bfd = mch_open((char *)backup, | |
| 557 | 3907 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 3908 perm & 0777); | |
| 7 | 3909 if (bfd < 0) |
| 3910 { | |
| 3911 vim_free(backup); | |
| 3912 backup = NULL; | |
| 3913 } | |
| 3914 else | |
| 3915 { | |
| 3916 /* set file protection same as original file, but | |
| 3917 * strip s-bit */ | |
| 3918 (void)mch_setperm(backup, perm & 0777); | |
| 3919 | |
| 3920 #ifdef UNIX | |
| 3921 /* | |
| 3922 * Try to set the group of the backup same as the | |
| 3923 * original file. If this fails, set the protection | |
| 3924 * bits for the group same as the protection bits for | |
| 3925 * others. | |
| 3926 */ | |
| 557 | 3927 if (st_new.st_gid != st_old.st_gid |
| 7 | 3928 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 3929 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 3930 # endif |
| 3931 ) | |
| 3932 mch_setperm(backup, | |
| 3933 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 3934 # ifdef HAVE_SELINUX |
| 3935 mch_copy_sec(fname, backup); | |
| 3936 # endif | |
| 7 | 3937 #endif |
| 3938 | |
| 3939 /* | |
| 3940 * copy the file. | |
| 3941 */ | |
| 3942 write_info.bw_fd = bfd; | |
| 3943 write_info.bw_buf = copybuf; | |
| 3944 #ifdef HAS_BW_FLAGS | |
| 3945 write_info.bw_flags = FIO_NOCONVERT; | |
| 3946 #endif | |
| 3947 while ((write_info.bw_len = vim_read(fd, copybuf, | |
| 3948 BUFSIZE)) > 0) | |
| 3949 { | |
| 3950 if (buf_write_bytes(&write_info) == FAIL) | |
| 3951 { | |
| 3952 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 3953 break; | |
| 3954 } | |
| 3955 ui_breakcheck(); | |
| 3956 if (got_int) | |
| 3957 { | |
| 3958 errmsg = (char_u *)_(e_interr); | |
| 3959 break; | |
| 3960 } | |
| 3961 } | |
| 3962 | |
| 3963 if (close(bfd) < 0 && errmsg == NULL) | |
| 3964 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 3965 if (write_info.bw_len < 0) | |
| 3966 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 3967 #ifdef UNIX | |
| 3968 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 3969 #endif | |
| 3970 #ifdef HAVE_ACL | |
| 3971 mch_set_acl(backup, acl); | |
| 3972 #endif | |
| 1583 | 3973 #ifdef HAVE_SELINUX |
| 3974 mch_copy_sec(fname, backup); | |
| 3975 #endif | |
| 7 | 3976 break; |
| 3977 } | |
| 3978 } | |
| 3979 } | |
| 3980 nobackup: | |
| 3981 close(fd); /* ignore errors for closing read file */ | |
| 3982 vim_free(copybuf); | |
| 3983 | |
| 3984 if (backup == NULL && errmsg == NULL) | |
| 3985 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 3986 /* ignore errors when forceit is TRUE */ | |
| 3987 if ((some_error || errmsg != NULL) && !forceit) | |
| 3988 { | |
| 3989 retval = FAIL; | |
| 3990 goto fail; | |
| 3991 } | |
| 3992 errmsg = NULL; | |
| 3993 } | |
| 3994 else | |
| 3995 { | |
| 3996 char_u *dirp; | |
| 3997 char_u *p; | |
| 3998 char_u *rootname; | |
| 3999 | |
| 4000 /* | |
| 4001 * Make a backup by renaming the original file. | |
| 4002 */ | |
| 4003 /* | |
| 4004 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 4005 * overwrite a read-only file. But rename may be possible | |
| 4006 * anyway, thus we need an extra check here. | |
| 4007 */ | |
| 4008 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 4009 { | |
| 4010 errnum = (char_u *)"E504: "; | |
| 4011 errmsg = (char_u *)_(err_readonly); | |
| 4012 goto fail; | |
| 4013 } | |
| 4014 | |
| 4015 /* | |
| 4016 * | |
| 4017 * Form the backup file name - change path/fo.o.h to | |
| 4018 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 4019 * that works is used. | |
| 4020 */ | |
| 4021 dirp = p_bdir; | |
| 4022 while (*dirp) | |
| 4023 { | |
| 4024 /* | |
| 4025 * Isolate one directory name and make the backup file name. | |
| 4026 */ | |
| 4027 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 4028 rootname = get_file_in_dir(fname, IObuff); | |
| 4029 if (rootname == NULL) | |
| 4030 backup = NULL; | |
| 4031 else | |
| 4032 { | |
| 4033 backup = buf_modname( | |
| 4034 #ifdef SHORT_FNAME | |
| 4035 TRUE, | |
| 4036 #else | |
| 4037 (buf->b_p_sn || buf->b_shortname), | |
| 4038 #endif | |
| 4039 rootname, backup_ext, FALSE); | |
| 4040 vim_free(rootname); | |
| 4041 } | |
| 4042 | |
| 4043 if (backup != NULL) | |
| 4044 { | |
| 4045 /* | |
| 4046 * If we are not going to keep the backup file, don't | |
| 4047 * delete an existing one, try to use another name. | |
| 4048 * Change one character, just before the extension. | |
| 4049 */ | |
| 4050 if (!p_bk && mch_getperm(backup) >= 0) | |
| 4051 { | |
| 4052 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 4053 if (p < backup) /* empty file name ??? */ | |
| 4054 p = backup; | |
| 4055 *p = 'z'; | |
| 4056 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 4057 --*p; | |
| 4058 /* They all exist??? Must be something wrong! */ | |
| 4059 if (*p == 'a') | |
| 4060 { | |
| 4061 vim_free(backup); | |
| 4062 backup = NULL; | |
| 4063 } | |
| 4064 } | |
| 4065 } | |
| 4066 if (backup != NULL) | |
| 4067 { | |
| 4068 /* | |
| 531 | 4069 * Delete any existing backup and move the current version |
| 4070 * to the backup. For safety, we don't remove the backup | |
| 4071 * until the write has finished successfully. And if the | |
| 4072 * 'backup' option is set, leave it around. | |
| 7 | 4073 */ |
| 4074 /* | |
| 4075 * If the renaming of the original file to the backup file | |
| 4076 * works, quit here. | |
| 4077 */ | |
| 4078 if (vim_rename(fname, backup) == 0) | |
| 4079 break; | |
| 4080 | |
| 4081 vim_free(backup); /* don't do the rename below */ | |
| 4082 backup = NULL; | |
| 4083 } | |
| 4084 } | |
| 4085 if (backup == NULL && !forceit) | |
| 4086 { | |
| 4087 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 4088 goto fail; | |
| 4089 } | |
| 4090 } | |
| 4091 } | |
| 4092 | |
| 4093 #if defined(UNIX) && !defined(ARCHIE) | |
| 4094 /* When using ":w!" and the file was read-only: make it writable */ | |
| 4095 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 4096 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 4097 { | |
| 4098 perm |= 0200; | |
| 4099 (void)mch_setperm(fname, perm); | |
| 4100 made_writable = TRUE; | |
| 4101 } | |
| 4102 #endif | |
| 4103 | |
| 819 | 4104 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 4105 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 4106 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 4107 { |
| 4108 buf->b_p_ro = FALSE; | |
| 4109 #ifdef FEAT_TITLE | |
| 4110 need_maketitle = TRUE; /* set window title later */ | |
| 4111 #endif | |
| 4112 #ifdef FEAT_WINDOWS | |
| 4113 status_redraw_all(); /* redraw status lines later */ | |
| 4114 #endif | |
| 4115 } | |
| 4116 | |
| 4117 if (end > buf->b_ml.ml_line_count) | |
| 4118 end = buf->b_ml.ml_line_count; | |
| 4119 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 4120 start = end + 1; | |
| 4121 | |
| 4122 /* | |
| 4123 * If the original file is being overwritten, there is a small chance that | |
| 4124 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 4125 * This makes all block numbers positive so that recovery does not need | |
| 4126 * the original file. | |
| 4127 * Don't do this if there is a backup file and we are exiting. | |
| 4128 */ | |
| 39 | 4129 if (reset_changed && !newfile && overwriting |
| 7 | 4130 && !(exiting && backup != NULL)) |
| 4131 { | |
| 4132 ml_preserve(buf, FALSE); | |
| 4133 if (got_int) | |
| 4134 { | |
| 4135 errmsg = (char_u *)_(e_interr); | |
| 4136 goto restore_backup; | |
| 4137 } | |
| 4138 } | |
| 4139 | |
| 4140 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4141 /* | |
| 4142 * Before risking to lose the original file verify if there's | |
| 4143 * a resource fork to preserve, and if cannot be done warn | |
| 4144 * the users. This happens when overwriting without backups. | |
| 4145 */ | |
| 4146 if (backup == NULL && overwriting && !append) | |
| 4147 if (mch_has_resource_fork(fname)) | |
| 4148 { | |
| 4149 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 4150 goto restore_backup; | |
| 4151 } | |
| 4152 #endif | |
| 4153 | |
| 4154 #ifdef VMS | |
| 4155 vms_remove_version(fname); /* remove version */ | |
| 4156 #endif | |
| 1651 | 4157 /* Default: write the file directly. May write to a temp file for |
| 7 | 4158 * multi-byte conversion. */ |
| 4159 wfname = fname; | |
| 4160 | |
| 4161 #ifdef FEAT_MBYTE | |
| 4162 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 4163 if (eap != NULL && eap->force_enc != 0) | |
| 4164 { | |
| 4165 fenc = eap->cmd + eap->force_enc; | |
| 4166 fenc = enc_canonize(fenc); | |
| 4167 fenc_tofree = fenc; | |
| 4168 } | |
| 4169 else | |
| 4170 fenc = buf->b_p_fenc; | |
| 4171 | |
| 4172 /* | |
| 1948 | 4173 * Check if the file needs to be converted. |
| 7 | 4174 */ |
| 1948 | 4175 converted = need_conversion(fenc); |
| 7 | 4176 |
| 4177 /* | |
| 4178 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4179 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4180 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4181 */ | |
| 4182 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4183 { | |
| 4184 wb_flags = get_fio_flags(fenc); | |
| 4185 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4186 { | |
| 4187 /* Need to allocate a buffer to translate into. */ | |
| 4188 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4189 write_info.bw_conv_buflen = bufsize * 2; | |
| 4190 else /* FIO_UCS4 */ | |
| 4191 write_info.bw_conv_buflen = bufsize * 4; | |
| 4192 write_info.bw_conv_buf | |
| 4193 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4194 if (write_info.bw_conv_buf == NULL) | |
| 4195 end = 0; | |
| 4196 } | |
| 4197 } | |
| 4198 | |
| 4199 # ifdef WIN3264 | |
| 4200 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4201 { | |
| 4202 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4203 write_info.bw_conv_buflen = bufsize * 4; | |
| 4204 write_info.bw_conv_buf | |
| 4205 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4206 if (write_info.bw_conv_buf == NULL) | |
| 4207 end = 0; | |
| 4208 } | |
| 4209 # endif | |
| 4210 | |
| 4211 # ifdef MACOS_X | |
| 4212 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4213 { | |
| 4214 write_info.bw_conv_buflen = bufsize * 3; | |
| 4215 write_info.bw_conv_buf | |
| 4216 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4217 if (write_info.bw_conv_buf == NULL) | |
| 4218 end = 0; | |
| 4219 } | |
| 4220 # endif | |
| 4221 | |
| 4222 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4223 if (converted && wb_flags == 0) | |
| 4224 { | |
| 4225 # ifdef USE_ICONV | |
| 4226 /* | |
| 4227 * Use iconv() conversion when conversion is needed and it's not done | |
| 4228 * internally. | |
| 4229 */ | |
| 4230 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4231 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4232 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4233 { | |
| 4234 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4235 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4236 write_info.bw_conv_buf | |
| 4237 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4238 if (write_info.bw_conv_buf == NULL) | |
| 4239 end = 0; | |
| 4240 write_info.bw_first = TRUE; | |
| 4241 } | |
| 4242 # ifdef FEAT_EVAL | |
| 4243 else | |
| 4244 # endif | |
| 4245 # endif | |
| 4246 | |
| 4247 # ifdef FEAT_EVAL | |
| 4248 /* | |
| 4249 * When the file needs to be converted with 'charconvert' after | |
| 4250 * writing, write to a temp file instead and let the conversion | |
| 4251 * overwrite the original file. | |
| 4252 */ | |
| 4253 if (*p_ccv != NUL) | |
| 4254 { | |
| 4255 wfname = vim_tempname('w'); | |
| 4256 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4257 { | |
| 4258 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4259 goto restore_backup; | |
| 4260 } | |
| 4261 } | |
| 4262 # endif | |
| 4263 } | |
| 4264 # endif | |
| 4265 if (converted && wb_flags == 0 | |
| 4266 # ifdef USE_ICONV | |
| 4267 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4268 # endif | |
| 4269 # ifdef FEAT_EVAL | |
| 4270 && wfname == fname | |
| 4271 # endif | |
| 4272 ) | |
| 4273 { | |
| 4274 if (!forceit) | |
| 4275 { | |
| 4276 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4277 goto restore_backup; | |
| 4278 } | |
| 4279 notconverted = TRUE; | |
| 4280 } | |
| 4281 #endif | |
| 4282 | |
| 4283 /* | |
| 4284 * Open the file "wfname" for writing. | |
| 4285 * We may try to open the file twice: If we can't write to the | |
| 4286 * file and forceit is TRUE we delete the existing file and try to create | |
| 4287 * a new one. If this still fails we may have lost the original file! | |
| 4288 * (this may happen when the user reached his quotum for number of files). | |
| 4289 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4290 */ | |
| 4291 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4292 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4293 : (O_CREAT | O_TRUNC)) | |
| 216 | 4294 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4295 { |
| 4296 /* | |
| 4297 * A forced write will try to create a new file if the old one is | |
| 4298 * still readonly. This may also happen when the directory is | |
| 4299 * read-only. In that case the mch_remove() will fail. | |
| 4300 */ | |
| 4301 if (errmsg == NULL) | |
| 4302 { | |
| 4303 #ifdef UNIX | |
| 4304 struct stat st; | |
| 4305 | |
| 4306 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4307 if ((!newfile && st_old.st_nlink > 1) | |
| 4308 || (mch_lstat((char *)fname, &st) == 0 | |
| 4309 && (st.st_dev != st_old.st_dev | |
| 4310 || st.st_ino != st_old.st_ino))) | |
| 4311 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4312 else | |
| 4313 #endif | |
| 4314 { | |
| 4315 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4316 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4317 && perm >= 0) | |
| 4318 { | |
| 4319 #ifdef UNIX | |
| 4320 /* we write to the file, thus it should be marked | |
| 4321 writable after all */ | |
| 4322 if (!(perm & 0200)) | |
| 4323 made_writable = TRUE; | |
| 4324 perm |= 0200; | |
| 4325 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4326 perm &= 0777; | |
| 4327 #endif | |
| 4328 if (!append) /* don't remove when appending */ | |
| 4329 mch_remove(wfname); | |
| 4330 continue; | |
| 4331 } | |
| 4332 } | |
| 4333 } | |
| 4334 | |
| 4335 restore_backup: | |
| 4336 { | |
| 4337 struct stat st; | |
| 4338 | |
| 4339 /* | |
| 4340 * If we failed to open the file, we don't need a backup. Throw it | |
| 4341 * away. If we moved or removed the original file try to put the | |
| 4342 * backup in its place. | |
| 4343 */ | |
| 4344 if (backup != NULL && wfname == fname) | |
| 4345 { | |
| 4346 if (backup_copy) | |
| 4347 { | |
| 4348 /* | |
| 4349 * There is a small chance that we removed the original, | |
| 4350 * try to move the copy in its place. | |
| 4351 * This may not work if the vim_rename() fails. | |
| 4352 * In that case we leave the copy around. | |
| 4353 */ | |
| 4354 /* If file does not exist, put the copy in its place */ | |
| 4355 if (mch_stat((char *)fname, &st) < 0) | |
| 4356 vim_rename(backup, fname); | |
| 4357 /* if original file does exist throw away the copy */ | |
| 4358 if (mch_stat((char *)fname, &st) >= 0) | |
| 4359 mch_remove(backup); | |
| 4360 } | |
| 4361 else | |
| 4362 { | |
| 4363 /* try to put the original file back */ | |
| 4364 vim_rename(backup, fname); | |
| 4365 } | |
| 4366 } | |
| 4367 | |
| 4368 /* if original file no longer exists give an extra warning */ | |
| 4369 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4370 end = 0; | |
| 4371 } | |
| 4372 | |
| 4373 #ifdef FEAT_MBYTE | |
| 4374 if (wfname != fname) | |
| 4375 vim_free(wfname); | |
| 4376 #endif | |
| 4377 goto fail; | |
| 4378 } | |
| 4379 errmsg = NULL; | |
| 4380 | |
| 4381 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4382 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4383 /* | |
| 4384 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4385 * This is done in order to preserve the resource fork and the |
| 4386 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4387 */ |
| 4388 if (backup != NULL && overwriting && !append) | |
| 4389 { | |
| 4390 if (backup_copy) | |
| 4391 (void)mch_copy_file_attribute(wfname, backup); | |
| 4392 else | |
| 4393 (void)mch_copy_file_attribute(backup, wfname); | |
| 4394 } | |
| 4395 | |
| 4396 if (!overwriting && !append) | |
| 4397 { | |
| 4398 if (buf->b_ffname != NULL) | |
| 4399 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4400 /* Should copy resource fork */ |
| 7 | 4401 } |
| 4402 #endif | |
| 4403 | |
| 4404 write_info.bw_fd = fd; | |
| 4405 | |
| 4406 #ifdef FEAT_CRYPT | |
| 4407 if (*buf->b_p_key && !filtering) | |
| 4408 { | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4409 char_u *header; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4410 int header_len; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4411 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4412 header = prepare_crypt_write(buf, &header_len); |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4413 if (header == NULL) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4414 end = 0; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4415 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4416 { |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4417 /* Write magic number, so that Vim knows that this file is |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4418 * encrypted when reading it again. This also undergoes utf-8 to |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4419 * ucs-2/4 conversion when needed. */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4420 write_info.bw_buf = header; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4421 write_info.bw_len = header_len; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4422 write_info.bw_flags = FIO_NOCONVERT; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4423 if (buf_write_bytes(&write_info) == FAIL) |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4424 end = 0; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4425 wb_flags |= FIO_ENCRYPTED; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4426 vim_free(header); |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4427 } |
| 7 | 4428 } |
| 4429 #endif | |
| 4430 | |
| 4431 write_info.bw_buf = buffer; | |
| 4432 nchars = 0; | |
| 4433 | |
| 4434 /* use "++bin", "++nobin" or 'binary' */ | |
| 4435 if (eap != NULL && eap->force_bin != 0) | |
| 4436 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4437 else | |
| 4438 write_bin = buf->b_p_bin; | |
| 4439 | |
| 4440 #ifdef FEAT_MBYTE | |
| 4441 /* | |
| 4442 * The BOM is written just after the encryption magic number. | |
| 24 | 4443 * Skip it when appending and the file already existed, the BOM only makes |
| 4444 * sense at the start of the file. | |
| 7 | 4445 */ |
| 24 | 4446 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4447 { |
| 4448 write_info.bw_len = make_bom(buffer, fenc); | |
| 4449 if (write_info.bw_len > 0) | |
| 4450 { | |
| 4451 /* don't convert, do encryption */ | |
| 4452 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4453 if (buf_write_bytes(&write_info) == FAIL) | |
| 4454 end = 0; | |
| 4455 else | |
| 4456 nchars += write_info.bw_len; | |
| 4457 } | |
| 4458 } | |
| 1947 | 4459 write_info.bw_start_lnum = start; |
| 7 | 4460 #endif |
| 4461 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4462 #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
|
4463 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
|
4464 && !filtering && reset_changed); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4465 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
|
4466 /* 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
|
4467 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
|
4468 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4469 |
| 7 | 4470 write_info.bw_len = bufsize; |
| 4471 #ifdef HAS_BW_FLAGS | |
| 4472 write_info.bw_flags = wb_flags; | |
| 4473 #endif | |
| 4474 fileformat = get_fileformat_force(buf, eap); | |
| 4475 s = buffer; | |
| 4476 len = 0; | |
| 4477 for (lnum = start; lnum <= end; ++lnum) | |
| 4478 { | |
| 4479 /* | |
| 4480 * The next while loop is done once for each character written. | |
| 4481 * Keep it fast! | |
| 4482 */ | |
| 4483 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
|
4484 #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
|
4485 if (write_undo_file) |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4486 sha256_update(&sha_ctx, ptr + 1, (UINT32_T)(STRLEN(ptr + 1) + 1)); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4487 #endif |
| 7 | 4488 while ((c = *++ptr) != NUL) |
| 4489 { | |
| 4490 if (c == NL) | |
| 4491 *s = NUL; /* replace newlines with NULs */ | |
| 4492 else if (c == CAR && fileformat == EOL_MAC) | |
| 4493 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4494 else | |
| 4495 *s = c; | |
| 4496 ++s; | |
| 4497 if (++len != bufsize) | |
| 4498 continue; | |
| 4499 if (buf_write_bytes(&write_info) == FAIL) | |
| 4500 { | |
| 4501 end = 0; /* write error: break loop */ | |
| 4502 break; | |
| 4503 } | |
| 4504 nchars += bufsize; | |
| 4505 s = buffer; | |
| 4506 len = 0; | |
| 1947 | 4507 #ifdef FEAT_MBYTE |
| 4508 write_info.bw_start_lnum = lnum; | |
| 4509 #endif | |
| 7 | 4510 } |
| 4511 /* write failed or last line has no EOL: stop here */ | |
| 4512 if (end == 0 | |
| 4513 || (lnum == end | |
| 4514 && write_bin | |
| 4515 && (lnum == write_no_eol_lnum | |
| 4516 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) | |
| 4517 { | |
| 4518 ++lnum; /* written the line, count it */ | |
| 4519 no_eol = TRUE; | |
| 4520 break; | |
| 4521 } | |
| 4522 if (fileformat == EOL_UNIX) | |
| 4523 *s++ = NL; | |
| 4524 else | |
| 4525 { | |
| 4526 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4527 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4528 { | |
| 4529 if (++len == bufsize) | |
| 4530 { | |
| 4531 if (buf_write_bytes(&write_info) == FAIL) | |
| 4532 { | |
| 4533 end = 0; /* write error: break loop */ | |
| 4534 break; | |
| 4535 } | |
| 4536 nchars += bufsize; | |
| 4537 s = buffer; | |
| 4538 len = 0; | |
| 4539 } | |
| 4540 *s++ = NL; | |
| 4541 } | |
| 4542 } | |
| 4543 if (++len == bufsize && end) | |
| 4544 { | |
| 4545 if (buf_write_bytes(&write_info) == FAIL) | |
| 4546 { | |
| 4547 end = 0; /* write error: break loop */ | |
| 4548 break; | |
| 4549 } | |
| 4550 nchars += bufsize; | |
| 4551 s = buffer; | |
| 4552 len = 0; | |
| 4553 | |
| 4554 ui_breakcheck(); | |
| 4555 if (got_int) | |
| 4556 { | |
| 4557 end = 0; /* Interrupted, break loop */ | |
| 4558 break; | |
| 4559 } | |
| 4560 } | |
| 4561 #ifdef VMS | |
| 4562 /* | |
| 4563 * On VMS there is a problem: newlines get added when writing blocks | |
| 4564 * at a time. Fix it by writing a line at a time. | |
| 4565 * This is much slower! | |
| 22 | 4566 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4567 * structures end with a newline (carriage return) character, and if | |
| 4568 * they don't it adds one. | |
| 4569 * With other RMS structures it works perfect without this fix. | |
| 7 | 4570 */ |
| 1431 | 4571 if (buf->b_fab_rfm == FAB$C_VFC |
| 4572 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4573 { |
| 4574 int b2write; | |
| 4575 | |
| 4576 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4577 ? MIN(4096, bufsize) | |
| 4578 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4579 | |
| 4580 b2write = len; | |
| 4581 while (b2write > 0) | |
| 7 | 4582 { |
| 22 | 4583 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4584 if (buf_write_bytes(&write_info) == FAIL) | |
| 4585 { | |
| 4586 end = 0; | |
| 4587 break; | |
| 4588 } | |
| 4589 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4590 } |
| 4591 write_info.bw_len = bufsize; | |
| 4592 nchars += len; | |
| 4593 s = buffer; | |
| 4594 len = 0; | |
| 4595 } | |
| 4596 #endif | |
| 4597 } | |
| 4598 if (len > 0 && end > 0) | |
| 4599 { | |
| 4600 write_info.bw_len = len; | |
| 4601 if (buf_write_bytes(&write_info) == FAIL) | |
| 4602 end = 0; /* write error */ | |
| 4603 nchars += len; | |
| 4604 } | |
| 4605 | |
| 4606 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4607 /* On many journalling file systems there is a bug that causes both the | |
| 4608 * original and the backup file to be lost when halting the system right | |
| 4609 * after writing the file. That's because only the meta-data is | |
| 4610 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4611 * been written to disk and we don't lose it. |
| 4612 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4613 * (could be a pipe). |
| 4614 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4615 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4616 { |
| 4617 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4618 end = 0; | |
| 4619 } | |
| 4620 #endif | |
| 4621 | |
| 1583 | 4622 #ifdef HAVE_SELINUX |
| 4623 /* Probably need to set the security context. */ | |
| 4624 if (!backup_copy) | |
| 4625 mch_copy_sec(backup, wfname); | |
| 4626 #endif | |
| 4627 | |
| 557 | 4628 #ifdef UNIX |
| 4629 /* When creating a new file, set its owner/group to that of the original | |
| 4630 * file. Get the new device and inode number. */ | |
| 4631 if (backup != NULL && !backup_copy) | |
| 4632 { | |
| 4633 # ifdef HAVE_FCHOWN | |
| 4634 struct stat st; | |
| 4635 | |
| 4636 /* don't change the owner when it's already OK, some systems remove | |
| 4637 * permission or ACL stuff */ | |
| 4638 if (mch_stat((char *)wfname, &st) < 0 | |
| 4639 || st.st_uid != st_old.st_uid | |
| 4640 || st.st_gid != st_old.st_gid) | |
| 4641 { | |
| 1757 | 4642 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4643 if (perm >= 0) /* set permission again, may have changed */ |
| 4644 (void)mch_setperm(wfname, perm); | |
| 4645 } | |
| 4646 # endif | |
| 4647 buf_setino(buf); | |
| 4648 } | |
| 1873 | 4649 else if (!buf->b_dev_valid) |
| 617 | 4650 /* Set the inode when creating a new file. */ |
| 4651 buf_setino(buf); | |
| 557 | 4652 #endif |
| 4653 | |
| 7 | 4654 if (close(fd) != 0) |
| 4655 { | |
| 4656 errmsg = (char_u *)_("E512: Close failed"); | |
| 4657 end = 0; | |
| 4658 } | |
| 4659 | |
| 4660 #ifdef UNIX | |
| 4661 if (made_writable) | |
| 4662 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4663 #endif | |
| 4664 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4665 (void)mch_setperm(wfname, perm); | |
| 4666 #ifdef RISCOS | |
| 4667 if (!append && !filtering) | |
| 4668 /* Set the filetype after writing the file. */ | |
| 4669 mch_set_filetype(wfname, buf->b_p_oft); | |
| 4670 #endif | |
| 4671 #ifdef HAVE_ACL | |
| 4672 /* Probably need to set the ACL before changing the user (can't set the | |
| 4673 * ACL on a file the user doesn't own). */ | |
| 4674 if (!backup_copy) | |
| 4675 mch_set_acl(wfname, acl); | |
| 4676 #endif | |
| 4677 | |
| 4678 | |
| 4679 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4680 if (wfname != fname) | |
| 4681 { | |
| 4682 /* | |
| 4683 * The file was written to a temp file, now it needs to be converted | |
| 4684 * with 'charconvert' to (overwrite) the output file. | |
| 4685 */ | |
| 4686 if (end != 0) | |
| 4687 { | |
| 4688 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4689 wfname, fname) == FAIL) | |
| 4690 { | |
| 4691 write_info.bw_conv_error = TRUE; | |
| 4692 end = 0; | |
| 4693 } | |
| 4694 } | |
| 4695 mch_remove(wfname); | |
| 4696 vim_free(wfname); | |
| 4697 } | |
| 4698 #endif | |
| 4699 | |
| 4700 if (end == 0) | |
| 4701 { | |
| 4702 if (errmsg == NULL) | |
| 4703 { | |
| 4704 #ifdef FEAT_MBYTE | |
| 4705 if (write_info.bw_conv_error) | |
| 1947 | 4706 { |
| 4707 if (write_info.bw_conv_error_lnum == 0) | |
| 4708 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4709 else | |
| 4710 { | |
| 4711 errmsg_allocated = TRUE; | |
| 4712 errmsg = alloc(300); | |
| 4713 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4714 (long)write_info.bw_conv_error_lnum); | |
| 4715 } | |
| 4716 } | |
| 7 | 4717 else |
| 4718 #endif | |
| 4719 if (got_int) | |
| 4720 errmsg = (char_u *)_(e_interr); | |
| 4721 else | |
| 4722 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4723 } | |
| 4724 | |
| 4725 /* | |
| 4726 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4727 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4728 * original file when trying to make a backup when writing the file a |
| 4729 * second time. | |
| 4730 * When "backup_copy" is set we need to copy the backup over the new | |
| 4731 * file. Otherwise rename the backup file. | |
| 4732 * If this is OK, don't give the extra warning message. | |
| 4733 */ | |
| 4734 if (backup != NULL) | |
| 4735 { | |
| 4736 if (backup_copy) | |
| 4737 { | |
| 4738 /* This may take a while, if we were interrupted let the user | |
| 4739 * know we got the message. */ | |
| 4740 if (got_int) | |
| 4741 { | |
| 4742 MSG(_(e_interr)); | |
| 4743 out_flush(); | |
| 4744 } | |
| 4745 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4746 { | |
| 4747 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4748 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4749 perm & 0777)) >= 0) | |
| 7 | 4750 { |
| 4751 /* copy the file. */ | |
| 4752 write_info.bw_buf = smallbuf; | |
| 4753 #ifdef HAS_BW_FLAGS | |
| 4754 write_info.bw_flags = FIO_NOCONVERT; | |
| 4755 #endif | |
| 4756 while ((write_info.bw_len = vim_read(fd, smallbuf, | |
| 4757 SMBUFSIZE)) > 0) | |
| 4758 if (buf_write_bytes(&write_info) == FAIL) | |
| 4759 break; | |
| 4760 | |
| 4761 if (close(write_info.bw_fd) >= 0 | |
| 4762 && write_info.bw_len == 0) | |
| 4763 end = 1; /* success */ | |
| 4764 } | |
| 4765 close(fd); /* ignore errors for closing read file */ | |
| 4766 } | |
| 4767 } | |
| 4768 else | |
| 4769 { | |
| 4770 if (vim_rename(backup, fname) == 0) | |
| 4771 end = 1; | |
| 4772 } | |
| 4773 } | |
| 4774 goto fail; | |
| 4775 } | |
| 4776 | |
| 4777 lnum -= start; /* compute number of written lines */ | |
| 4778 --no_wait_return; /* may wait for return now */ | |
| 4779 | |
| 4780 #if !(defined(UNIX) || defined(VMS)) | |
| 4781 fname = sfname; /* use shortname now, for the messages */ | |
| 4782 #endif | |
| 4783 if (!filtering) | |
| 4784 { | |
| 4785 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4786 c = FALSE; | |
| 4787 #ifdef FEAT_MBYTE | |
| 4788 if (write_info.bw_conv_error) | |
| 4789 { | |
| 4790 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4791 c = TRUE; | |
| 1947 | 4792 if (write_info.bw_conv_error_lnum != 0) |
| 4793 { | |
| 1957 | 4794 size_t l = STRLEN(IObuff); |
| 1947 | 4795 vim_snprintf((char *)IObuff + l, IOSIZE - l, _(" in line %ld;"), |
| 4796 (long)write_info.bw_conv_error_lnum); | |
| 4797 } | |
| 7 | 4798 } |
| 4799 else if (notconverted) | |
| 4800 { | |
| 4801 STRCAT(IObuff, _("[NOT converted]")); | |
| 4802 c = TRUE; | |
| 4803 } | |
| 4804 else if (converted) | |
| 4805 { | |
| 4806 STRCAT(IObuff, _("[converted]")); | |
| 4807 c = TRUE; | |
| 4808 } | |
| 4809 #endif | |
| 4810 if (device) | |
| 4811 { | |
| 4812 STRCAT(IObuff, _("[Device]")); | |
| 4813 c = TRUE; | |
| 4814 } | |
| 4815 else if (newfile) | |
| 4816 { | |
| 4817 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4818 c = TRUE; | |
| 4819 } | |
| 4820 if (no_eol) | |
| 4821 { | |
| 4822 msg_add_eol(); | |
| 4823 c = TRUE; | |
| 4824 } | |
| 4825 /* may add [unix/dos/mac] */ | |
| 4826 if (msg_add_fileformat(fileformat)) | |
| 4827 c = TRUE; | |
| 4828 #ifdef FEAT_CRYPT | |
| 4829 if (wb_flags & FIO_ENCRYPTED) | |
| 4830 { | |
| 4831 STRCAT(IObuff, _("[crypted]")); | |
| 4832 c = TRUE; | |
| 4833 } | |
| 4834 #endif | |
| 4835 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4836 if (!shortmess(SHM_WRITE)) | |
| 4837 { | |
| 4838 if (append) | |
| 4839 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4840 else | |
| 4841 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4842 } | |
| 4843 | |
| 679 | 4844 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4845 } |
| 4846 | |
| 39 | 4847 /* When written everything correctly: reset 'modified'. Unless not |
| 4848 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4849 if (reset_changed && whole && !append |
| 7 | 4850 #ifdef FEAT_MBYTE |
| 4851 && !write_info.bw_conv_error | |
| 4852 #endif | |
| 39 | 4853 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4854 ) | |
| 7 | 4855 { |
| 4856 unchanged(buf, TRUE); | |
| 4857 u_unchanged(buf); | |
| 4858 } | |
| 4859 | |
| 4860 /* | |
| 4861 * If written to the current file, update the timestamp of the swap file | |
| 4862 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4863 */ | |
| 4864 if (overwriting) | |
| 4865 { | |
| 4866 ml_timestamp(buf); | |
| 589 | 4867 if (append) |
| 4868 buf->b_flags &= ~BF_NEW; | |
| 4869 else | |
| 4870 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4871 } |
| 4872 | |
| 4873 /* | |
| 4874 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4875 * the backup file our 'original' file. | |
| 4876 */ | |
| 4877 if (*p_pm && dobackup) | |
| 4878 { | |
| 4879 char *org = (char *)buf_modname( | |
| 4880 #ifdef SHORT_FNAME | |
| 4881 TRUE, | |
| 4882 #else | |
| 4883 (buf->b_p_sn || buf->b_shortname), | |
| 4884 #endif | |
| 4885 fname, p_pm, FALSE); | |
| 4886 | |
| 4887 if (backup != NULL) | |
| 4888 { | |
| 4889 struct stat st; | |
| 4890 | |
| 4891 /* | |
| 4892 * If the original file does not exist yet | |
| 4893 * the current backup file becomes the original file | |
| 4894 */ | |
| 4895 if (org == NULL) | |
| 4896 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4897 else if (mch_stat(org, &st) < 0) | |
| 4898 { | |
| 4899 vim_rename(backup, (char_u *)org); | |
| 4900 vim_free(backup); /* don't delete the file */ | |
| 4901 backup = NULL; | |
| 4902 #ifdef UNIX | |
| 4903 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4904 #endif | |
| 4905 } | |
| 4906 } | |
| 4907 /* | |
| 4908 * If there is no backup file, remember that a (new) file was | |
| 4909 * created. | |
| 4910 */ | |
| 4911 else | |
| 4912 { | |
| 4913 int empty_fd; | |
| 4914 | |
| 4915 if (org == NULL | |
| 557 | 4916 || (empty_fd = mch_open(org, |
| 4917 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4918 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4919 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4920 else | |
| 4921 close(empty_fd); | |
| 4922 } | |
| 4923 if (org != NULL) | |
| 4924 { | |
| 4925 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4926 vim_free(org); | |
| 4927 } | |
| 4928 } | |
| 4929 | |
| 4930 /* | |
| 4931 * Remove the backup unless 'backup' option is set | |
| 4932 */ | |
| 4933 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 4934 EMSG(_("E207: Can't delete backup file")); | |
| 4935 | |
| 4936 #ifdef FEAT_SUN_WORKSHOP | |
| 4937 if (usingSunWorkShop) | |
| 4938 workshop_file_saved((char *) ffname); | |
| 4939 #endif | |
| 4940 | |
| 4941 goto nofail; | |
| 4942 | |
| 4943 /* | |
| 4944 * Finish up. We get here either after failure or success. | |
| 4945 */ | |
| 4946 fail: | |
| 4947 --no_wait_return; /* may wait for return now */ | |
| 4948 nofail: | |
| 4949 | |
| 4950 /* Done saving, we accept changed buffer warnings again */ | |
| 4951 buf->b_saving = FALSE; | |
| 4952 | |
| 4953 vim_free(backup); | |
| 4954 if (buffer != smallbuf) | |
| 4955 vim_free(buffer); | |
| 4956 #ifdef FEAT_MBYTE | |
| 4957 vim_free(fenc_tofree); | |
| 4958 vim_free(write_info.bw_conv_buf); | |
| 4959 # ifdef USE_ICONV | |
| 4960 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4961 { | |
| 4962 iconv_close(write_info.bw_iconv_fd); | |
| 4963 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 4964 } | |
| 4965 # endif | |
| 4966 #endif | |
| 4967 #ifdef HAVE_ACL | |
| 4968 mch_free_acl(acl); | |
| 4969 #endif | |
| 4970 | |
| 4971 if (errmsg != NULL) | |
| 4972 { | |
| 835 | 4973 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 4974 |
| 4975 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 4976 msg_add_fname(buf, | |
| 4977 #ifndef UNIX | |
| 4978 sfname | |
| 4979 #else | |
| 4980 fname | |
| 4981 #endif | |
| 4982 ); /* put file name in IObuff with quotes */ | |
| 4983 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 4984 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 4985 /* If the error message has the form "is ...", put the error number in | |
| 4986 * front of the file name. */ | |
| 4987 if (errnum != NULL) | |
| 4988 { | |
| 1620 | 4989 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 4990 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 4991 } | |
| 4992 STRCAT(IObuff, errmsg); | |
| 4993 emsg(IObuff); | |
| 1947 | 4994 if (errmsg_allocated) |
| 4995 vim_free(errmsg); | |
| 7 | 4996 |
| 4997 retval = FAIL; | |
| 4998 if (end == 0) | |
| 4999 { | |
| 5000 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 5001 attr | MSG_HIST); | |
| 5002 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 5003 attr | MSG_HIST); | |
| 5004 | |
| 5005 /* Update the timestamp to avoid an "overwrite changed file" | |
| 5006 * prompt when writing again. */ | |
| 5007 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 5008 { | |
| 5009 buf_store_time(buf, &st_old, fname); | |
| 5010 buf->b_mtime_read = buf->b_mtime; | |
| 5011 } | |
| 5012 } | |
| 5013 } | |
| 5014 msg_scroll = msg_save; | |
| 5015 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5016 #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
|
5017 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5018 * 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
|
5019 * file. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5020 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5021 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
|
5022 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5023 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
|
5024 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5025 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
|
5026 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
|
5027 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5028 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5029 |
| 7 | 5030 #ifdef FEAT_AUTOCMD |
| 5031 #ifdef FEAT_EVAL | |
| 5032 if (!should_abort(retval)) | |
| 5033 #else | |
| 5034 if (!got_int) | |
| 5035 #endif | |
| 5036 { | |
| 5037 aco_save_T aco; | |
| 5038 | |
| 5039 write_no_eol_lnum = 0; /* in case it was set by the previous read */ | |
| 5040 | |
| 5041 /* | |
| 5042 * Apply POST autocommands. | |
| 5043 * Careful: The autocommands may call buf_write() recursively! | |
| 5044 */ | |
| 5045 aucmd_prepbuf(&aco, buf); | |
| 5046 | |
| 5047 if (append) | |
| 5048 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 5049 FALSE, curbuf, eap); | |
| 5050 else if (filtering) | |
| 5051 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 5052 FALSE, curbuf, eap); | |
| 5053 else if (reset_changed && whole) | |
| 5054 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 5055 FALSE, curbuf, eap); | |
| 5056 else | |
| 5057 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 5058 FALSE, curbuf, eap); | |
| 5059 | |
| 5060 /* restore curwin/curbuf and a few other things */ | |
| 5061 aucmd_restbuf(&aco); | |
| 5062 | |
| 5063 #ifdef FEAT_EVAL | |
| 5064 if (aborting()) /* autocmds may abort script processing */ | |
| 5065 retval = FALSE; | |
| 5066 #endif | |
| 5067 } | |
| 5068 #endif | |
| 5069 | |
| 5070 got_int |= prev_got_int; | |
| 5071 | |
| 5072 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 5073 /* Update machine specific information. */ | |
| 5074 mch_post_buffer_write(buf); | |
| 5075 #endif | |
| 5076 return retval; | |
| 5077 } | |
| 5078 | |
| 5079 /* | |
| 633 | 5080 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 5081 * name and a ":r" or ":w" command with a file name is used. | |
| 5082 */ | |
| 5083 static int | |
| 5084 set_rw_fname(fname, sfname) | |
| 5085 char_u *fname; | |
| 5086 char_u *sfname; | |
| 5087 { | |
| 5088 #ifdef FEAT_AUTOCMD | |
| 1905 | 5089 buf_T *buf = curbuf; |
| 5090 | |
| 633 | 5091 /* It's like the unnamed buffer is deleted.... */ |
| 5092 if (curbuf->b_p_bl) | |
| 5093 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 5094 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 5095 # ifdef FEAT_EVAL | |
| 5096 if (aborting()) /* autocmds may abort script processing */ | |
| 5097 return FAIL; | |
| 5098 # endif | |
| 1905 | 5099 if (curbuf != buf) |
| 5100 { | |
| 5101 /* We are in another buffer now, don't do the renaming. */ | |
| 5102 EMSG(_(e_auchangedbuf)); | |
| 5103 return FAIL; | |
| 5104 } | |
| 633 | 5105 #endif |
| 5106 | |
| 5107 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 5108 curbuf->b_flags |= BF_NOTEDITED; | |
| 5109 | |
| 5110 #ifdef FEAT_AUTOCMD | |
| 5111 /* ....and a new named one is created */ | |
| 5112 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 5113 if (curbuf->b_p_bl) | |
| 5114 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 5115 # ifdef FEAT_EVAL | |
| 5116 if (aborting()) /* autocmds may abort script processing */ | |
| 5117 return FAIL; | |
| 5118 # endif | |
| 5119 | |
| 5120 /* Do filetype detection now if 'filetype' is empty. */ | |
| 5121 if (*curbuf->b_p_ft == NUL) | |
| 5122 { | |
| 819 | 5123 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 5124 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 5125 do_modelines(0); |
| 633 | 5126 } |
| 5127 #endif | |
| 5128 | |
| 5129 return OK; | |
| 5130 } | |
| 5131 | |
| 5132 /* | |
| 7 | 5133 * Put file name into IObuff with quotes. |
| 5134 */ | |
| 33 | 5135 void |
| 7 | 5136 msg_add_fname(buf, fname) |
| 5137 buf_T *buf; | |
| 5138 char_u *fname; | |
| 5139 { | |
| 5140 if (fname == NULL) | |
| 5141 fname = (char_u *)"-stdin-"; | |
| 5142 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 5143 IObuff[0] = '"'; | |
| 5144 STRCAT(IObuff, "\" "); | |
| 5145 } | |
| 5146 | |
| 5147 /* | |
| 5148 * Append message for text mode to IObuff. | |
| 5149 * Return TRUE if something appended. | |
| 5150 */ | |
| 5151 static int | |
| 5152 msg_add_fileformat(eol_type) | |
| 5153 int eol_type; | |
| 5154 { | |
| 5155 #ifndef USE_CRNL | |
| 5156 if (eol_type == EOL_DOS) | |
| 5157 { | |
| 5158 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 5159 return TRUE; | |
| 5160 } | |
| 5161 #endif | |
| 5162 #ifndef USE_CR | |
| 5163 if (eol_type == EOL_MAC) | |
| 5164 { | |
| 5165 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 5166 return TRUE; | |
| 5167 } | |
| 5168 #endif | |
| 5169 #if defined(USE_CRNL) || defined(USE_CR) | |
| 5170 if (eol_type == EOL_UNIX) | |
| 5171 { | |
| 5172 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 5173 return TRUE; | |
| 5174 } | |
| 5175 #endif | |
| 5176 return FALSE; | |
| 5177 } | |
| 5178 | |
| 5179 /* | |
| 5180 * Append line and character count to IObuff. | |
| 5181 */ | |
| 33 | 5182 void |
| 7 | 5183 msg_add_lines(insert_space, lnum, nchars) |
| 5184 int insert_space; | |
| 5185 long lnum; | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5186 off_t nchars; |
| 7 | 5187 { |
| 5188 char_u *p; | |
| 5189 | |
| 5190 p = IObuff + STRLEN(IObuff); | |
| 5191 | |
| 5192 if (insert_space) | |
| 5193 *p++ = ' '; | |
| 5194 if (shortmess(SHM_LINES)) | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5195 sprintf((char *)p, |
|
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5196 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5197 "%ldL, %lldC", lnum, nchars |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5198 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
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parents:
2258
diff
changeset
|
5199 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5200 "%ldL, %ldC", lnum, (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5201 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5202 ); |
| 7 | 5203 else |
| 5204 { | |
| 5205 if (lnum == 1) | |
| 5206 STRCPY(p, _("1 line, ")); | |
| 5207 else | |
| 5208 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 5209 p += STRLEN(p); | |
| 5210 if (nchars == 1) | |
| 5211 STRCPY(p, _("1 character")); | |
| 5212 else | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5213 sprintf((char *)p, |
|
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5214 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5215 _("%lld characters"), nchars |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5216 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5217 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5218 _("%ld characters"), (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5219 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5220 ); |
| 7 | 5221 } |
| 5222 } | |
| 5223 | |
| 5224 /* | |
| 5225 * Append message for missing line separator to IObuff. | |
| 5226 */ | |
| 5227 static void | |
| 5228 msg_add_eol() | |
| 5229 { | |
| 5230 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5231 } | |
| 5232 | |
| 5233 /* | |
| 5234 * Check modification time of file, before writing to it. | |
| 5235 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5236 * using the same timestamp but can't set the size. | |
| 5237 */ | |
| 5238 static int | |
| 5239 check_mtime(buf, st) | |
| 5240 buf_T *buf; | |
| 5241 struct stat *st; | |
| 5242 { | |
| 5243 if (buf->b_mtime_read != 0 | |
| 5244 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5245 { | |
| 5246 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5247 msg_silent = 0; /* must give this prompt */ | |
| 5248 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5249 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5250 hl_attr(HLF_E)); | |
| 5251 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5252 TRUE) == 'n') | |
| 5253 return FAIL; | |
| 5254 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5255 } | |
| 5256 return OK; | |
| 5257 } | |
| 5258 | |
| 5259 static int | |
| 5260 time_differs(t1, t2) | |
| 5261 long t1, t2; | |
| 5262 { | |
| 5263 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5264 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5265 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5266 * time may change unexpectedly by one second!!! */ | |
| 5267 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5268 #else | |
| 5269 return (t1 != t2); | |
| 5270 #endif | |
| 5271 } | |
| 5272 | |
| 5273 /* | |
| 5274 * Call write() to write a number of bytes to the file. | |
| 5275 * Also handles encryption and 'encoding' conversion. | |
| 5276 * | |
| 5277 * Return FAIL for failure, OK otherwise. | |
| 5278 */ | |
| 5279 static int | |
| 5280 buf_write_bytes(ip) | |
| 5281 struct bw_info *ip; | |
| 5282 { | |
| 5283 int wlen; | |
| 5284 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5285 int len = ip->bw_len; /* length of data */ | |
| 5286 #ifdef HAS_BW_FLAGS | |
| 5287 int flags = ip->bw_flags; /* extra flags */ | |
| 5288 #endif | |
| 5289 | |
| 5290 #ifdef FEAT_MBYTE | |
| 5291 /* | |
| 5292 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5293 */ | |
| 5294 if (!(flags & FIO_NOCONVERT)) | |
| 5295 { | |
| 5296 char_u *p; | |
| 5297 unsigned c; | |
| 5298 int n; | |
| 5299 | |
| 5300 if (flags & FIO_UTF8) | |
| 5301 { | |
| 5302 /* | |
| 5303 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5304 */ | |
| 5305 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5306 for (wlen = 0; wlen < len; ++wlen) | |
| 5307 p += utf_char2bytes(buf[wlen], p); | |
| 5308 buf = ip->bw_conv_buf; | |
| 5309 len = (int)(p - ip->bw_conv_buf); | |
| 5310 } | |
| 5311 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5312 { | |
| 5313 /* | |
| 5314 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5315 * Latin1 chars in the file. | |
| 5316 */ | |
| 5317 if (flags & FIO_LATIN1) | |
| 5318 p = buf; /* translate in-place (can only get shorter) */ | |
| 5319 else | |
| 5320 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5321 for (wlen = 0; wlen < len; wlen += n) | |
| 5322 { | |
| 5323 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5324 { | |
| 5325 int l; | |
| 5326 | |
| 5327 /* Use remainder of previous call. Append the start of | |
| 5328 * buf[] to get a full sequence. Might still be too | |
| 5329 * short! */ | |
| 5330 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5331 if (l > len) | |
| 5332 l = len; | |
| 5333 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5334 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5335 if (n > ip->bw_restlen + len) |
| 5336 { | |
| 5337 /* We have an incomplete byte sequence at the end to | |
| 5338 * be written. We can't convert it without the | |
| 5339 * remaining bytes. Keep them for the next call. */ | |
| 5340 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5341 return FAIL; | |
| 5342 ip->bw_restlen += len; | |
| 5343 break; | |
| 5344 } | |
| 5345 if (n > 1) | |
| 5346 c = utf_ptr2char(ip->bw_rest); | |
| 5347 else | |
| 5348 c = ip->bw_rest[0]; | |
| 5349 if (n >= ip->bw_restlen) | |
| 5350 { | |
| 5351 n -= ip->bw_restlen; | |
| 5352 ip->bw_restlen = 0; | |
| 5353 } | |
| 5354 else | |
| 5355 { | |
| 5356 ip->bw_restlen -= n; | |
| 5357 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5358 (size_t)ip->bw_restlen); | |
| 5359 n = 0; | |
| 5360 } | |
| 5361 } | |
| 5362 else | |
| 5363 { | |
| 474 | 5364 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5365 if (n > len - wlen) |
| 5366 { | |
| 5367 /* We have an incomplete byte sequence at the end to | |
| 5368 * be written. We can't convert it without the | |
| 5369 * remaining bytes. Keep them for the next call. */ | |
| 5370 if (len - wlen > CONV_RESTLEN) | |
| 5371 return FAIL; | |
| 5372 ip->bw_restlen = len - wlen; | |
| 5373 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5374 (size_t)ip->bw_restlen); | |
| 5375 break; | |
| 5376 } | |
| 5377 if (n > 1) | |
| 5378 c = utf_ptr2char(buf + wlen); | |
| 5379 else | |
| 5380 c = buf[wlen]; | |
| 5381 } | |
| 5382 | |
| 1947 | 5383 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5384 { | |
| 5385 ip->bw_conv_error = TRUE; | |
| 5386 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5387 } | |
| 5388 if (c == NL) | |
| 5389 ++ip->bw_start_lnum; | |
| 7 | 5390 } |
| 5391 if (flags & FIO_LATIN1) | |
| 5392 len = (int)(p - buf); | |
| 5393 else | |
| 5394 { | |
| 5395 buf = ip->bw_conv_buf; | |
| 5396 len = (int)(p - ip->bw_conv_buf); | |
| 5397 } | |
| 5398 } | |
| 5399 | |
| 5400 # ifdef WIN3264 | |
| 5401 else if (flags & FIO_CODEPAGE) | |
| 5402 { | |
| 5403 /* | |
| 5404 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5405 * codepage. | |
| 5406 */ | |
| 5407 char_u *from; | |
| 5408 size_t fromlen; | |
| 5409 char_u *to; | |
| 5410 int u8c; | |
| 5411 BOOL bad = FALSE; | |
| 5412 int needed; | |
| 5413 | |
| 5414 if (ip->bw_restlen > 0) | |
| 5415 { | |
| 5416 /* Need to concatenate the remainder of the previous call and | |
| 5417 * the bytes of the current call. Use the end of the | |
| 5418 * conversion buffer for this. */ | |
| 5419 fromlen = len + ip->bw_restlen; | |
| 5420 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5421 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5422 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5423 } | |
| 5424 else | |
| 5425 { | |
| 5426 from = buf; | |
| 5427 fromlen = len; | |
| 5428 } | |
| 5429 | |
| 5430 to = ip->bw_conv_buf; | |
| 5431 if (enc_utf8) | |
| 5432 { | |
| 5433 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5434 * The buffer has been allocated to be big enough. */ | |
| 5435 while (fromlen > 0) | |
| 5436 { | |
| 835 | 5437 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5438 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5439 break; | |
| 5440 u8c = utf_ptr2char(from); | |
| 5441 *to++ = (u8c & 0xff); | |
| 5442 *to++ = (u8c >> 8); | |
| 5443 fromlen -= n; | |
| 5444 from += n; | |
| 5445 } | |
| 5446 | |
| 5447 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5448 * call. */ | |
| 5449 if (fromlen > CONV_RESTLEN) | |
| 5450 { | |
| 5451 /* weird overlong sequence */ | |
| 5452 ip->bw_conv_error = TRUE; | |
| 5453 return FAIL; | |
| 5454 } | |
| 5455 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5456 ip->bw_restlen = (int)fromlen; |
| 7 | 5457 } |
| 5458 else | |
| 5459 { | |
| 5460 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5461 * buffer. The buffer has been allocated to be big enough. */ | |
| 5462 ip->bw_restlen = 0; | |
| 5463 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5464 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5465 NULL, 0); |
| 5466 if (needed == 0) | |
| 5467 { | |
| 5468 /* When conversion fails there may be a trailing byte. */ | |
| 5469 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5470 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5471 NULL, 0); |
| 5472 if (needed == 0) | |
| 5473 { | |
| 5474 /* Conversion doesn't work. */ | |
| 5475 ip->bw_conv_error = TRUE; | |
| 5476 return FAIL; | |
| 5477 } | |
| 5478 /* Save the trailing byte for the next call. */ | |
| 5479 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5480 ip->bw_restlen = 1; | |
| 5481 } | |
| 5482 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5483 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5484 (LPWSTR)to, needed); |
| 5485 if (needed == 0) | |
| 5486 { | |
| 5487 /* Safety check: Conversion doesn't work. */ | |
| 5488 ip->bw_conv_error = TRUE; | |
| 5489 return FAIL; | |
| 5490 } | |
| 5491 to += needed * 2; | |
| 5492 } | |
| 5493 | |
| 5494 fromlen = to - ip->bw_conv_buf; | |
| 5495 buf = to; | |
| 5496 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5497 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5498 { | |
| 5499 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5500 * conversion buffer. Fails when out of space. */ | |
| 5501 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5502 { | |
| 5503 u8c = *from++; | |
| 5504 u8c += (*from++ << 8); | |
| 5505 to += utf_char2bytes(u8c, to); | |
| 5506 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5507 { | |
| 5508 ip->bw_conv_error = TRUE; | |
| 5509 return FAIL; | |
| 5510 } | |
| 5511 } | |
| 835 | 5512 len = (int)(to - buf); |
| 7 | 5513 } |
| 5514 else | |
| 5515 #endif | |
| 5516 { | |
| 5517 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5518 * the conversion buffer. If the conversion uses the default | |
| 5519 * character "0", the data doesn't fit in this encoding, so | |
| 5520 * fail. */ | |
| 5521 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5522 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5523 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5524 &bad); | |
| 7 | 5525 if (bad) |
| 5526 { | |
| 5527 ip->bw_conv_error = TRUE; | |
| 5528 return FAIL; | |
| 5529 } | |
| 5530 } | |
| 5531 } | |
| 5532 # endif | |
| 5533 | |
| 765 | 5534 # ifdef MACOS_CONVERT |
| 7 | 5535 else if (flags & FIO_MACROMAN) |
| 5536 { | |
| 5537 /* | |
| 5538 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5539 */ | |
| 5540 char_u *from; | |
| 5541 size_t fromlen; | |
| 5542 | |
| 5543 if (ip->bw_restlen > 0) | |
| 5544 { | |
| 5545 /* Need to concatenate the remainder of the previous call and | |
| 5546 * the bytes of the current call. Use the end of the | |
| 5547 * conversion buffer for this. */ | |
| 5548 fromlen = len + ip->bw_restlen; | |
| 5549 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5550 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5551 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5552 } | |
| 5553 else | |
| 5554 { | |
| 5555 from = buf; | |
| 5556 fromlen = len; | |
| 5557 } | |
| 5558 | |
| 18 | 5559 if (enc2macroman(from, fromlen, |
| 5560 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5561 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5562 { |
| 5563 ip->bw_conv_error = TRUE; | |
| 5564 return FAIL; | |
| 5565 } | |
| 5566 buf = ip->bw_conv_buf; | |
| 5567 } | |
| 5568 # endif | |
| 5569 | |
| 5570 # ifdef USE_ICONV | |
| 5571 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5572 { | |
| 5573 const char *from; | |
| 5574 size_t fromlen; | |
| 5575 char *to; | |
| 5576 size_t tolen; | |
| 5577 | |
| 5578 /* Convert with iconv(). */ | |
| 5579 if (ip->bw_restlen > 0) | |
| 5580 { | |
| 1836 | 5581 char *fp; |
| 5582 | |
| 7 | 5583 /* Need to concatenate the remainder of the previous call and |
| 5584 * the bytes of the current call. Use the end of the | |
| 5585 * conversion buffer for this. */ | |
| 5586 fromlen = len + ip->bw_restlen; | |
| 1836 | 5587 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5588 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5589 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5590 from = fp; | |
| 7 | 5591 tolen = ip->bw_conv_buflen - fromlen; |
| 5592 } | |
| 5593 else | |
| 5594 { | |
| 5595 from = (const char *)buf; | |
| 5596 fromlen = len; | |
| 5597 tolen = ip->bw_conv_buflen; | |
| 5598 } | |
| 5599 to = (char *)ip->bw_conv_buf; | |
| 5600 | |
| 5601 if (ip->bw_first) | |
| 5602 { | |
| 5603 size_t save_len = tolen; | |
| 5604 | |
| 5605 /* output the initial shift state sequence */ | |
| 5606 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5607 | |
| 5608 /* There is a bug in iconv() on Linux (which appears to be | |
| 5609 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5610 */ | |
| 5611 if (to == NULL) | |
| 5612 { | |
| 5613 to = (char *)ip->bw_conv_buf; | |
| 5614 tolen = save_len; | |
| 5615 } | |
| 5616 ip->bw_first = FALSE; | |
| 5617 } | |
| 5618 | |
| 5619 /* | |
| 5620 * If iconv() has an error or there is not enough room, fail. | |
| 5621 */ | |
| 5622 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5623 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5624 || fromlen > CONV_RESTLEN) | |
| 5625 { | |
| 5626 ip->bw_conv_error = TRUE; | |
| 5627 return FAIL; | |
| 5628 } | |
| 5629 | |
| 5630 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5631 if (fromlen > 0) | |
| 5632 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5633 ip->bw_restlen = (int)fromlen; | |
| 5634 | |
| 5635 buf = ip->bw_conv_buf; | |
| 5636 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5637 } | |
| 5638 # endif | |
| 5639 } | |
| 5640 #endif /* FEAT_MBYTE */ | |
| 5641 | |
| 5642 #ifdef FEAT_CRYPT | |
| 5643 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 2244 | 5644 crypt_encode(buf, len, buf); |
| 7 | 5645 #endif |
| 5646 | |
| 5647 /* Repeat the write(), it may be interrupted by a signal. */ | |
| 1142 | 5648 while (len > 0) |
| 7 | 5649 { |
| 5650 wlen = vim_write(ip->bw_fd, buf, len); | |
| 5651 if (wlen <= 0) /* error! */ | |
| 5652 return FAIL; | |
| 5653 len -= wlen; | |
| 5654 buf += wlen; | |
| 5655 } | |
| 5656 return OK; | |
| 5657 } | |
| 5658 | |
| 5659 #ifdef FEAT_MBYTE | |
| 5660 /* | |
| 5661 * Convert a Unicode character to bytes. | |
| 1947 | 5662 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5663 */ |
| 5664 static int | |
| 5665 ucs2bytes(c, pp, flags) | |
| 5666 unsigned c; /* in: character */ | |
| 5667 char_u **pp; /* in/out: pointer to result */ | |
| 5668 int flags; /* FIO_ flags */ | |
| 5669 { | |
| 5670 char_u *p = *pp; | |
| 5671 int error = FALSE; | |
| 5672 int cc; | |
| 5673 | |
| 5674 | |
| 5675 if (flags & FIO_UCS4) | |
| 5676 { | |
| 5677 if (flags & FIO_ENDIAN_L) | |
| 5678 { | |
| 5679 *p++ = c; | |
| 5680 *p++ = (c >> 8); | |
| 5681 *p++ = (c >> 16); | |
| 5682 *p++ = (c >> 24); | |
| 5683 } | |
| 5684 else | |
| 5685 { | |
| 5686 *p++ = (c >> 24); | |
| 5687 *p++ = (c >> 16); | |
| 5688 *p++ = (c >> 8); | |
| 5689 *p++ = c; | |
| 5690 } | |
| 5691 } | |
| 5692 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5693 { | |
| 5694 if (c >= 0x10000) | |
| 5695 { | |
| 5696 if (flags & FIO_UTF16) | |
| 5697 { | |
| 5698 /* Make two words, ten bits of the character in each. First | |
| 5699 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5700 c -= 0x10000; | |
| 5701 if (c >= 0x100000) | |
| 5702 error = TRUE; | |
| 5703 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5704 if (flags & FIO_ENDIAN_L) | |
| 5705 { | |
| 5706 *p++ = cc; | |
| 5707 *p++ = ((unsigned)cc >> 8); | |
| 5708 } | |
| 5709 else | |
| 5710 { | |
| 5711 *p++ = ((unsigned)cc >> 8); | |
| 5712 *p++ = cc; | |
| 5713 } | |
| 5714 c = (c & 0x3ff) + 0xdc00; | |
| 5715 } | |
| 5716 else | |
| 5717 error = TRUE; | |
| 5718 } | |
| 5719 if (flags & FIO_ENDIAN_L) | |
| 5720 { | |
| 5721 *p++ = c; | |
| 5722 *p++ = (c >> 8); | |
| 5723 } | |
| 5724 else | |
| 5725 { | |
| 5726 *p++ = (c >> 8); | |
| 5727 *p++ = c; | |
| 5728 } | |
| 5729 } | |
| 5730 else /* Latin1 */ | |
| 5731 { | |
| 5732 if (c >= 0x100) | |
| 5733 { | |
| 5734 error = TRUE; | |
| 5735 *p++ = 0xBF; | |
| 5736 } | |
| 5737 else | |
| 5738 *p++ = c; | |
| 5739 } | |
| 5740 | |
| 5741 *pp = p; | |
| 5742 return error; | |
| 5743 } | |
| 5744 | |
| 5745 /* | |
| 1948 | 5746 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5747 * 'encoding'. | |
| 7 | 5748 */ |
| 5749 static int | |
| 1948 | 5750 need_conversion(fenc) |
| 5751 char_u *fenc; | |
| 7 | 5752 { |
| 1948 | 5753 int same_encoding; |
| 5754 int enc_flags; | |
| 5755 int fenc_flags; | |
| 5756 | |
| 5757 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
|
2217
120502692d82
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Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5758 { |
| 1948 | 5759 same_encoding = TRUE; |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5760 fenc_flags = 0; |
|
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5761 } |
| 1948 | 5762 else |
| 5763 { | |
| 5764 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5765 * "ucs-4be", etc. */ | |
| 5766 enc_flags = get_fio_flags(p_enc); | |
| 5767 fenc_flags = get_fio_flags(fenc); | |
| 5768 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5769 } | |
| 5770 if (same_encoding) | |
| 5771 { | |
| 5772 /* Specified encoding matches with 'encoding'. This requires | |
| 5773 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5774 return enc_unicode != 0; | |
| 5775 } | |
| 5776 | |
| 5777 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5778 * Unicode encoding and the file is UTF-8. */ | |
| 5779 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5780 } |
| 5781 | |
| 5782 /* | |
| 5783 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5784 * internal conversion. | |
| 5785 * if "ptr" is an empty string, use 'encoding'. | |
| 5786 */ | |
| 5787 static int | |
| 5788 get_fio_flags(ptr) | |
| 5789 char_u *ptr; | |
| 5790 { | |
| 5791 int prop; | |
| 5792 | |
| 5793 if (*ptr == NUL) | |
| 5794 ptr = p_enc; | |
| 5795 | |
| 5796 prop = enc_canon_props(ptr); | |
| 5797 if (prop & ENC_UNICODE) | |
| 5798 { | |
| 5799 if (prop & ENC_2BYTE) | |
| 5800 { | |
| 5801 if (prop & ENC_ENDIAN_L) | |
| 5802 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5803 return FIO_UCS2; | |
| 5804 } | |
| 5805 if (prop & ENC_4BYTE) | |
| 5806 { | |
| 5807 if (prop & ENC_ENDIAN_L) | |
| 5808 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5809 return FIO_UCS4; | |
| 5810 } | |
| 5811 if (prop & ENC_2WORD) | |
| 5812 { | |
| 5813 if (prop & ENC_ENDIAN_L) | |
| 5814 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5815 return FIO_UTF16; | |
| 5816 } | |
| 5817 return FIO_UTF8; | |
| 5818 } | |
| 5819 if (prop & ENC_LATIN1) | |
| 5820 return FIO_LATIN1; | |
| 5821 /* must be ENC_DBCS, requires iconv() */ | |
| 5822 return 0; | |
| 5823 } | |
| 5824 | |
| 5825 #ifdef WIN3264 | |
| 5826 /* | |
| 5827 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5828 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5829 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5830 */ | |
| 5831 static int | |
| 5832 get_win_fio_flags(ptr) | |
| 5833 char_u *ptr; | |
| 5834 { | |
| 5835 int cp; | |
| 5836 | |
| 5837 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5838 if (!enc_utf8 && enc_codepage <= 0) | |
| 5839 return 0; | |
| 5840 | |
| 5841 cp = encname2codepage(ptr); | |
| 5842 if (cp == 0) | |
| 5843 { | |
| 5844 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5845 if (STRCMP(ptr, "utf-8") == 0) | |
| 5846 cp = CP_UTF8; | |
| 5847 else | |
| 5848 # endif | |
| 5849 return 0; | |
| 5850 } | |
| 5851 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5852 } | |
| 5853 #endif | |
| 5854 | |
| 5855 #ifdef MACOS_X | |
| 5856 /* | |
| 5857 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5858 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5859 */ | |
| 5860 static int | |
| 5861 get_mac_fio_flags(ptr) | |
| 5862 char_u *ptr; | |
| 5863 { | |
| 5864 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5865 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5866 return FIO_MACROMAN; | |
| 5867 return 0; | |
| 5868 } | |
| 5869 #endif | |
| 5870 | |
| 5871 /* | |
| 5872 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5873 * "size" must be at least 2. | |
| 5874 * Return the name of the encoding and set "*lenp" to the length. | |
| 5875 * Returns NULL when no BOM found. | |
| 5876 */ | |
| 5877 static char_u * | |
| 5878 check_for_bom(p, size, lenp, flags) | |
| 5879 char_u *p; | |
| 5880 long size; | |
| 5881 int *lenp; | |
| 5882 int flags; | |
| 5883 { | |
| 5884 char *name = NULL; | |
| 5885 int len = 2; | |
| 5886 | |
| 5887 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5888 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5889 { |
| 5890 name = "utf-8"; /* EF BB BF */ | |
| 5891 len = 3; | |
| 5892 } | |
| 5893 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5894 { | |
| 5895 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5896 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5897 { | |
| 5898 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5899 len = 4; | |
| 5900 } | |
| 1735 | 5901 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5902 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5903 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5904 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5905 name = "utf-16le"; /* FF FE */ |
| 5906 } | |
| 5907 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5908 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5909 { | |
| 1547 | 5910 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5911 if (flags == FIO_UCS2) | |
| 5912 name = "ucs-2"; /* FE FF */ | |
| 5913 else | |
| 7 | 5914 name = "utf-16"; /* FE FF */ |
| 5915 } | |
| 5916 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5917 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5918 { | |
| 5919 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5920 len = 4; | |
| 5921 } | |
| 5922 | |
| 5923 *lenp = len; | |
| 5924 return (char_u *)name; | |
| 5925 } | |
| 5926 | |
| 5927 /* | |
| 5928 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5929 * Return the length of the BOM (zero when no BOM). | |
| 5930 */ | |
| 5931 static int | |
| 5932 make_bom(buf, name) | |
| 5933 char_u *buf; | |
| 5934 char_u *name; | |
| 5935 { | |
| 5936 int flags; | |
| 5937 char_u *p; | |
| 5938 | |
| 5939 flags = get_fio_flags(name); | |
| 5940 | |
| 5941 /* Can't put a BOM in a non-Unicode file. */ | |
| 5942 if (flags == FIO_LATIN1 || flags == 0) | |
| 5943 return 0; | |
| 5944 | |
| 5945 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 5946 { | |
| 5947 buf[0] = 0xef; | |
| 5948 buf[1] = 0xbb; | |
| 5949 buf[2] = 0xbf; | |
| 5950 return 3; | |
| 5951 } | |
| 5952 p = buf; | |
| 5953 (void)ucs2bytes(0xfeff, &p, flags); | |
| 5954 return (int)(p - buf); | |
| 5955 } | |
| 5956 #endif | |
| 5957 | |
| 1418 | 5958 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 5959 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 5960 /* |
| 5961 * Try to find a shortname by comparing the fullname with the current | |
| 5962 * directory. | |
| 1411 | 5963 * Returns "full_path" or pointer into "full_path" if shortened. |
| 5964 */ | |
| 5965 char_u * | |
| 5966 shorten_fname1(full_path) | |
| 5967 char_u *full_path; | |
| 5968 { | |
| 5969 char_u dirname[MAXPATHL]; | |
| 5970 char_u *p = full_path; | |
| 5971 | |
| 5972 if (mch_dirname(dirname, MAXPATHL) == OK) | |
| 5973 { | |
| 5974 p = shorten_fname(full_path, dirname); | |
| 5975 if (p == NULL || *p == NUL) | |
| 5976 p = full_path; | |
| 5977 } | |
| 5978 return p; | |
| 5979 } | |
| 1418 | 5980 #endif |
| 1411 | 5981 |
| 5982 /* | |
| 5983 * Try to find a shortname by comparing the fullname with the current | |
| 5984 * directory. | |
| 7 | 5985 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 5986 * otherwise. | |
| 5987 */ | |
| 5988 char_u * | |
| 5989 shorten_fname(full_path, dir_name) | |
| 5990 char_u *full_path; | |
| 5991 char_u *dir_name; | |
| 5992 { | |
| 5993 int len; | |
| 5994 char_u *p; | |
| 5995 | |
| 5996 if (full_path == NULL) | |
| 5997 return NULL; | |
| 5998 len = (int)STRLEN(dir_name); | |
| 5999 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 6000 { | |
| 6001 p = full_path + len; | |
| 6002 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6003 /* | |
| 6004 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 6005 * slash, since C: by itself does not define a specific dir. In this | |
| 6006 * case p may already be correct. <negri> | |
| 6007 */ | |
| 6008 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 6009 #endif | |
| 6010 { | |
| 6011 if (vim_ispathsep(*p)) | |
| 6012 ++p; | |
| 6013 #ifndef VMS /* the path separator is always part of the path */ | |
| 6014 else | |
| 6015 p = NULL; | |
| 6016 #endif | |
| 6017 } | |
| 6018 } | |
| 6019 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6020 /* | |
| 6021 * When using a file in the current drive, remove the drive name: | |
| 6022 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 6023 * a floppy from "A:\dir" to "B:\dir". | |
| 6024 */ | |
| 6025 else if (len > 3 | |
| 6026 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 6027 && full_path[1] == ':' | |
| 6028 && vim_ispathsep(full_path[2])) | |
| 6029 p = full_path + 2; | |
| 6030 #endif | |
| 6031 else | |
| 6032 p = NULL; | |
| 6033 return p; | |
| 6034 } | |
| 6035 | |
| 6036 /* | |
| 6037 * Shorten filenames for all buffers. | |
| 6038 * When "force" is TRUE: Use full path from now on for files currently being | |
| 6039 * edited, both for file name and swap file name. Try to shorten the file | |
| 6040 * names a bit, if safe to do so. | |
| 6041 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 6042 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 6043 * name. | |
| 6044 */ | |
| 6045 void | |
| 6046 shorten_fnames(force) | |
| 6047 int force; | |
| 6048 { | |
| 6049 char_u dirname[MAXPATHL]; | |
| 6050 buf_T *buf; | |
| 6051 char_u *p; | |
| 6052 | |
| 6053 mch_dirname(dirname, MAXPATHL); | |
| 6054 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 6055 { | |
| 6056 if (buf->b_fname != NULL | |
| 6057 #ifdef FEAT_QUICKFIX | |
| 6058 && !bt_nofile(buf) | |
| 6059 #endif | |
| 6060 && !path_with_url(buf->b_fname) | |
| 6061 && (force | |
| 6062 || buf->b_sfname == NULL | |
| 6063 || mch_isFullName(buf->b_sfname))) | |
| 6064 { | |
| 6065 vim_free(buf->b_sfname); | |
| 6066 buf->b_sfname = NULL; | |
| 6067 p = shorten_fname(buf->b_ffname, dirname); | |
| 6068 if (p != NULL) | |
| 6069 { | |
| 6070 buf->b_sfname = vim_strsave(p); | |
| 6071 buf->b_fname = buf->b_sfname; | |
| 6072 } | |
| 6073 if (p == NULL || buf->b_fname == NULL) | |
| 6074 buf->b_fname = buf->b_ffname; | |
| 9 | 6075 } |
| 6076 | |
| 6077 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 6078 * also have a swap file. */ | |
| 6079 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 6080 } |
| 6081 #ifdef FEAT_WINDOWS | |
| 6082 status_redraw_all(); | |
| 672 | 6083 redraw_tabline = TRUE; |
| 7 | 6084 #endif |
| 6085 } | |
| 6086 | |
| 6087 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 6088 || defined(FEAT_GUI_MSWIN) \ | |
| 6089 || defined(FEAT_GUI_MAC) \ | |
| 6090 || defined(PROTO) | |
| 6091 /* | |
| 6092 * Shorten all filenames in "fnames[count]" by current directory. | |
| 6093 */ | |
| 6094 void | |
| 6095 shorten_filenames(fnames, count) | |
| 6096 char_u **fnames; | |
| 6097 int count; | |
| 6098 { | |
| 6099 int i; | |
| 6100 char_u dirname[MAXPATHL]; | |
| 6101 char_u *p; | |
| 6102 | |
| 6103 if (fnames == NULL || count < 1) | |
| 6104 return; | |
| 6105 mch_dirname(dirname, sizeof(dirname)); | |
| 6106 for (i = 0; i < count; ++i) | |
| 6107 { | |
| 6108 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 6109 { | |
| 6110 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 6111 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 6112 * "p" first then free fnames[i]. */ | |
| 6113 p = vim_strsave(p); | |
| 6114 vim_free(fnames[i]); | |
| 6115 fnames[i] = p; | |
| 6116 } | |
| 6117 } | |
| 6118 } | |
| 6119 #endif | |
| 6120 | |
| 6121 /* | |
| 1651 | 6122 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 6123 * fo_o_h.ext for MSDOS or when shortname option set. |
| 6124 * | |
| 6125 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 6126 * the return value is a different name and ends in 'ext'. | |
| 6127 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 6128 * characters otherwise. | |
| 6129 * Space for the returned name is allocated, must be freed later. | |
| 6130 * Returns NULL when out of memory. | |
| 6131 */ | |
| 6132 char_u * | |
| 6133 modname(fname, ext, prepend_dot) | |
| 6134 char_u *fname, *ext; | |
| 6135 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6136 { | |
| 6137 return buf_modname( | |
| 6138 #ifdef SHORT_FNAME | |
| 6139 TRUE, | |
| 6140 #else | |
| 6141 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 6142 #endif | |
| 6143 fname, ext, prepend_dot); | |
| 6144 } | |
| 6145 | |
| 6146 char_u * | |
| 6147 buf_modname(shortname, fname, ext, prepend_dot) | |
| 6148 int shortname; /* use 8.3 file name */ | |
| 6149 char_u *fname, *ext; | |
| 6150 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6151 { | |
| 6152 char_u *retval; | |
| 6153 char_u *s; | |
| 6154 char_u *e; | |
| 6155 char_u *ptr; | |
| 6156 int fnamelen, extlen; | |
| 6157 | |
| 6158 extlen = (int)STRLEN(ext); | |
| 6159 | |
| 6160 /* | |
| 6161 * If there is no file name we must get the name of the current directory | |
| 6162 * (we need the full path in case :cd is used). | |
| 6163 */ | |
| 6164 if (fname == NULL || *fname == NUL) | |
| 6165 { | |
| 6166 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 6167 if (retval == NULL) | |
| 6168 return NULL; | |
| 6169 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 6170 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 6171 { | |
| 6172 vim_free(retval); | |
| 6173 return NULL; | |
| 6174 } | |
| 39 | 6175 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 6176 { |
| 6177 retval[fnamelen++] = PATHSEP; | |
| 6178 retval[fnamelen] = NUL; | |
| 6179 } | |
| 6180 #ifndef SHORT_FNAME | |
| 6181 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 6182 #endif | |
| 6183 } | |
| 6184 else | |
| 6185 { | |
| 6186 fnamelen = (int)STRLEN(fname); | |
| 6187 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 6188 if (retval == NULL) | |
| 6189 return NULL; | |
| 6190 STRCPY(retval, fname); | |
| 6191 #ifdef VMS | |
| 6192 vms_remove_version(retval); /* we do not need versions here */ | |
| 6193 #endif | |
| 6194 } | |
| 6195 | |
| 6196 /* | |
| 6197 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 6198 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 6199 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 6200 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 6201 */ | |
| 391 | 6202 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 6203 { |
| 6204 #ifndef RISCOS | |
| 6205 if (*ext == '.' | |
| 391 | 6206 # ifdef USE_LONG_FNAME |
| 7 | 6207 && (!USE_LONG_FNAME || shortname) |
| 391 | 6208 # else |
| 6209 # ifndef SHORT_FNAME | |
| 7 | 6210 && shortname |
| 391 | 6211 # endif |
| 7 | 6212 # endif |
| 6213 ) | |
| 6214 if (*ptr == '.') /* replace '.' by '_' */ | |
| 6215 *ptr = '_'; | |
| 391 | 6216 #endif |
| 7 | 6217 if (vim_ispathsep(*ptr)) |
| 391 | 6218 { |
| 6219 ++ptr; | |
| 7 | 6220 break; |
| 391 | 6221 } |
| 6222 } | |
| 7 | 6223 |
| 6224 /* the file name has at most BASENAMELEN characters. */ | |
| 6225 #ifndef SHORT_FNAME | |
| 6226 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6227 ptr[BASENAMELEN] = '\0'; | |
| 6228 #endif | |
| 6229 | |
| 6230 s = ptr + STRLEN(ptr); | |
| 6231 | |
| 6232 /* | |
| 6233 * For 8.3 file names we may have to reduce the length. | |
| 6234 */ | |
| 6235 #ifdef USE_LONG_FNAME | |
| 6236 if (!USE_LONG_FNAME || shortname) | |
| 6237 #else | |
| 6238 # ifndef SHORT_FNAME | |
| 6239 if (shortname) | |
| 6240 # endif | |
| 6241 #endif | |
| 6242 { | |
| 6243 /* | |
| 6244 * If there is no file name, or the file name ends in '/', and the | |
| 6245 * extension starts with '.', put a '_' before the dot, because just | |
| 6246 * ".ext" is invalid. | |
| 6247 */ | |
| 6248 if (fname == NULL || *fname == NUL | |
| 6249 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6250 { | |
| 6251 #ifdef RISCOS | |
| 6252 if (*ext == '/') | |
| 6253 #else | |
| 6254 if (*ext == '.') | |
| 6255 #endif | |
| 6256 *s++ = '_'; | |
| 6257 } | |
| 6258 /* | |
| 6259 * If the extension starts with '.', truncate the base name at 8 | |
| 6260 * characters | |
| 6261 */ | |
| 6262 #ifdef RISCOS | |
| 6263 /* We normally use '/', but swap files are '_' */ | |
| 6264 else if (*ext == '/' || *ext == '_') | |
| 6265 #else | |
| 6266 else if (*ext == '.') | |
| 6267 #endif | |
| 6268 { | |
| 1877 | 6269 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6270 { |
| 6271 s = ptr + 8; | |
| 6272 *s = '\0'; | |
| 6273 } | |
| 6274 } | |
| 6275 /* | |
| 6276 * If the extension doesn't start with '.', and the file name | |
| 6277 * doesn't have an extension yet, append a '.' | |
| 6278 */ | |
| 6279 #ifdef RISCOS | |
| 6280 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
| 6281 *s++ = '/'; | |
| 6282 #else | |
| 6283 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6284 *s++ = '.'; | |
| 6285 #endif | |
| 6286 /* | |
| 6287 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6288 * extension, it may need to be truncated |
| 7 | 6289 */ |
| 6290 else if ((int)STRLEN(e) + extlen > 4) | |
| 6291 s = e + 4 - extlen; | |
| 6292 } | |
| 6293 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6294 /* | |
| 6295 * If there is no file name, and the extension starts with '.', put a | |
| 6296 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6297 * FAT partition, and on HPFS it doesn't matter. | |
| 6298 */ | |
| 6299 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6300 *s++ = '_'; | |
| 6301 #endif | |
| 6302 | |
| 6303 /* | |
| 1651 | 6304 * Append the extension. |
| 7 | 6305 * ext can start with '.' and cannot exceed 3 more characters. |
| 6306 */ | |
| 6307 STRCPY(s, ext); | |
| 6308 | |
| 6309 #ifndef SHORT_FNAME | |
| 6310 /* | |
| 6311 * Prepend the dot. | |
| 6312 */ | |
| 6313 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
| 6314 #ifdef RISCOS | |
| 6315 '/' | |
| 6316 #else | |
| 6317 '.' | |
| 6318 #endif | |
| 6319 #ifdef USE_LONG_FNAME | |
| 6320 && USE_LONG_FNAME | |
| 6321 #endif | |
| 6322 ) | |
| 6323 { | |
| 1620 | 6324 STRMOVE(e + 1, e); |
| 7 | 6325 #ifdef RISCOS |
| 6326 *e = '/'; | |
| 6327 #else | |
| 6328 *e = '.'; | |
| 6329 #endif | |
| 6330 } | |
| 6331 #endif | |
| 6332 | |
| 6333 /* | |
| 6334 * Check that, after appending the extension, the file name is really | |
| 6335 * different. | |
| 6336 */ | |
| 6337 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6338 { | |
| 6339 /* we search for a character that can be replaced by '_' */ | |
| 6340 while (--s >= ptr) | |
| 6341 { | |
| 6342 if (*s != '_') | |
| 6343 { | |
| 6344 *s = '_'; | |
| 6345 break; | |
| 6346 } | |
| 6347 } | |
| 6348 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6349 *ptr = 'v'; | |
| 6350 } | |
| 6351 return retval; | |
| 6352 } | |
| 6353 | |
| 6354 /* | |
| 6355 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6356 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6357 */ | |
| 6358 int | |
| 6359 vim_fgets(buf, size, fp) | |
| 6360 char_u *buf; | |
| 6361 int size; | |
| 6362 FILE *fp; | |
| 6363 { | |
| 6364 char *eof; | |
| 6365 #define FGETS_SIZE 200 | |
| 6366 char tbuf[FGETS_SIZE]; | |
| 6367 | |
| 6368 buf[size - 2] = NUL; | |
| 6369 #ifdef USE_CR | |
| 6370 eof = fgets_cr((char *)buf, size, fp); | |
| 6371 #else | |
| 6372 eof = fgets((char *)buf, size, fp); | |
| 6373 #endif | |
| 6374 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6375 { | |
| 6376 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6377 | |
| 6378 /* Now throw away the rest of the line: */ | |
| 6379 do | |
| 6380 { | |
| 6381 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6382 #ifdef USE_CR | |
| 1757 | 6383 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6384 #else |
| 1757 | 6385 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6386 #endif |
| 6387 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6388 } | |
| 6389 return (eof == NULL); | |
| 6390 } | |
| 6391 | |
| 6392 #if defined(USE_CR) || defined(PROTO) | |
| 6393 /* | |
| 6394 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6395 * Returns TRUE for end-of-file. | |
| 6396 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6397 */ | |
| 6398 int | |
| 6399 tag_fgets(buf, size, fp) | |
| 6400 char_u *buf; | |
| 6401 int size; | |
| 6402 FILE *fp; | |
| 6403 { | |
| 6404 int i = 0; | |
| 6405 int c; | |
| 6406 int eof = FALSE; | |
| 6407 | |
| 6408 for (;;) | |
| 6409 { | |
| 6410 c = fgetc(fp); | |
| 6411 if (c == EOF) | |
| 6412 { | |
| 6413 eof = TRUE; | |
| 6414 break; | |
| 6415 } | |
| 6416 if (c == '\r') | |
| 6417 { | |
| 6418 /* Always store a NL for end-of-line. */ | |
| 6419 if (i < size - 1) | |
| 6420 buf[i++] = '\n'; | |
| 6421 c = fgetc(fp); | |
| 6422 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6423 ungetc(c, fp); | |
| 6424 break; | |
| 6425 } | |
| 6426 if (i < size - 1) | |
| 6427 buf[i++] = c; | |
| 6428 if (c == '\n') | |
| 6429 break; | |
| 6430 } | |
| 6431 buf[i] = NUL; | |
| 6432 return eof; | |
| 6433 } | |
| 6434 #endif | |
| 6435 | |
| 6436 /* | |
| 6437 * rename() only works if both files are on the same file system, this | |
| 6438 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6439 * Return -1 for failure, 0 for success. | |
| 6440 */ | |
| 6441 int | |
| 6442 vim_rename(from, to) | |
| 6443 char_u *from; | |
| 6444 char_u *to; | |
| 6445 { | |
| 6446 int fd_in; | |
| 6447 int fd_out; | |
| 6448 int n; | |
| 6449 char *errmsg = NULL; | |
| 6450 char *buffer; | |
| 6451 #ifdef AMIGA | |
| 6452 BPTR flock; | |
| 6453 #endif | |
| 6454 struct stat st; | |
| 194 | 6455 long perm; |
| 199 | 6456 #ifdef HAVE_ACL |
| 6457 vim_acl_T acl; /* ACL from original file */ | |
| 6458 #endif | |
| 1779 | 6459 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
| 6460 int use_tmp_file = FALSE; | |
| 6461 #endif | |
| 7 | 6462 |
| 6463 /* | |
| 1779 | 6464 * When the names are identical, there is nothing to do. When they refer |
| 6465 * to the same file (ignoring case and slash/backslash differences) but | |
| 6466 * the file name differs we need to go through a temp file. | |
| 7 | 6467 */ |
| 6468 if (fnamecmp(from, to) == 0) | |
| 1779 | 6469 { |
| 6470 #ifdef CASE_INSENSITIVE_FILENAME | |
| 6471 if (STRCMP(gettail(from), gettail(to)) != 0) | |
| 6472 use_tmp_file = TRUE; | |
| 6473 else | |
| 6474 #endif | |
| 6475 return 0; | |
| 6476 } | |
| 7 | 6477 |
| 6478 /* | |
| 6479 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6480 */ | |
| 6481 if (mch_stat((char *)from, &st) < 0) | |
| 6482 return -1; | |
| 6483 | |
| 1778 | 6484 #ifdef UNIX |
| 6485 { | |
| 6486 struct stat st_to; | |
| 6487 | |
| 6488 /* It's possible for the source and destination to be the same file. | |
| 6489 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6490 * filesystem. In that case go through a temp file name. */ | |
| 6491 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6492 && st.st_dev == st_to.st_dev | |
| 6493 && st.st_ino == st_to.st_ino) | |
| 1779 | 6494 use_tmp_file = TRUE; |
| 6495 } | |
| 6496 #endif | |
| 6497 | |
| 6498 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
| 6499 if (use_tmp_file) | |
| 6500 { | |
| 6501 char tempname[MAXPATHL + 1]; | |
| 6502 | |
| 6503 /* | |
| 6504 * Find a name that doesn't exist and is in the same directory. | |
| 6505 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6506 */ | |
| 6507 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6508 return -1; | |
| 6509 STRCPY(tempname, from); | |
| 6510 for (n = 123; n < 99999; ++n) | |
| 6511 { | |
| 6512 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6513 if (mch_stat(tempname, &st) < 0) | |
| 6514 { | |
| 6515 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6516 { |
| 1779 | 6517 if (mch_rename(tempname, (char *)to) == 0) |
| 6518 return 0; | |
| 6519 /* Strange, the second step failed. Try moving the | |
| 6520 * file back and return failure. */ | |
| 6521 mch_rename(tempname, (char *)from); | |
| 1778 | 6522 return -1; |
| 6523 } | |
| 1779 | 6524 /* If it fails for one temp name it will most likely fail |
| 6525 * for any temp name, give up. */ | |
| 6526 return -1; | |
| 6527 } | |
| 6528 } | |
| 6529 return -1; | |
| 1778 | 6530 } |
| 6531 #endif | |
| 6532 | |
| 7 | 6533 /* |
| 6534 * Delete the "to" file, this is required on some systems to make the | |
| 6535 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6536 * two files when the mch_rename() fails. | |
| 6537 */ | |
| 6538 | |
| 6539 #ifdef AMIGA | |
| 6540 /* | |
| 6541 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6542 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6543 * though the names are different. To avoid the chance of accidentally |
| 7 | 6544 * deleting the "from" file (horror!) we lock it during the remove. |
| 6545 * | |
| 6546 * When used for making a backup before writing the file: This should not | |
| 6547 * happen with ":w", because startscript() should detect this problem and | |
| 6548 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6549 * name. This problem does exist with ":w filename", but then the | |
| 6550 * original file will be somewhere else so the backup isn't really | |
| 6551 * important. If autoscripting is off the rename may fail. | |
| 6552 */ | |
| 6553 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6554 #endif | |
| 6555 mch_remove(to); | |
| 6556 #ifdef AMIGA | |
| 6557 if (flock) | |
| 6558 UnLock(flock); | |
| 6559 #endif | |
| 6560 | |
| 6561 /* | |
| 6562 * First try a normal rename, return if it works. | |
| 6563 */ | |
| 6564 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6565 return 0; | |
| 6566 | |
| 6567 /* | |
| 6568 * Rename() failed, try copying the file. | |
| 6569 */ | |
| 194 | 6570 perm = mch_getperm(from); |
| 199 | 6571 #ifdef HAVE_ACL |
| 6572 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6573 acl = mch_get_acl(from); | |
| 6574 #endif | |
| 7 | 6575 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6576 if (fd_in == -1) | |
| 1651 | 6577 { |
| 6578 #ifdef HAVE_ACL | |
| 6579 mch_free_acl(acl); | |
| 6580 #endif | |
| 7 | 6581 return -1; |
| 1651 | 6582 } |
| 194 | 6583 |
| 6584 /* Create the new file with same permissions as the original. */ | |
| 557 | 6585 fd_out = mch_open((char *)to, |
| 6586 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6587 if (fd_out == -1) |
| 6588 { | |
| 6589 close(fd_in); | |
| 1651 | 6590 #ifdef HAVE_ACL |
| 6591 mch_free_acl(acl); | |
| 6592 #endif | |
| 7 | 6593 return -1; |
| 6594 } | |
| 6595 | |
| 6596 buffer = (char *)alloc(BUFSIZE); | |
| 6597 if (buffer == NULL) | |
| 6598 { | |
| 1651 | 6599 close(fd_out); |
| 7 | 6600 close(fd_in); |
| 1651 | 6601 #ifdef HAVE_ACL |
| 6602 mch_free_acl(acl); | |
| 6603 #endif | |
| 7 | 6604 return -1; |
| 6605 } | |
| 6606 | |
| 6607 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0) | |
| 6608 if (vim_write(fd_out, buffer, n) != n) | |
| 6609 { | |
| 6610 errmsg = _("E208: Error writing to \"%s\""); | |
| 6611 break; | |
| 6612 } | |
| 6613 | |
| 6614 vim_free(buffer); | |
| 6615 close(fd_in); | |
| 6616 if (close(fd_out) < 0) | |
| 6617 errmsg = _("E209: Error closing \"%s\""); | |
| 6618 if (n < 0) | |
| 6619 { | |
| 6620 errmsg = _("E210: Error reading \"%s\""); | |
| 6621 to = from; | |
| 6622 } | |
| 1201 | 6623 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6624 mch_setperm(to, perm); |
| 570 | 6625 #endif |
| 199 | 6626 #ifdef HAVE_ACL |
| 6627 mch_set_acl(to, acl); | |
| 1651 | 6628 mch_free_acl(acl); |
| 199 | 6629 #endif |
| 7 | 6630 if (errmsg != NULL) |
| 6631 { | |
| 6632 EMSG2(errmsg, to); | |
| 6633 return -1; | |
| 6634 } | |
| 6635 mch_remove(from); | |
| 6636 return 0; | |
| 6637 } | |
| 6638 | |
| 6639 static int already_warned = FALSE; | |
| 6640 | |
| 6641 /* | |
| 6642 * Check if any not hidden buffer has been changed. | |
| 6643 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6644 * command is being executed, a mapping is being executed or an autocommand is | |
| 6645 * busy. | |
| 6646 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6647 * cursor positioned). | |
| 6648 */ | |
| 6649 int | |
| 6650 check_timestamps(focus) | |
| 6651 int focus; /* called for GUI focus event */ | |
| 6652 { | |
| 6653 buf_T *buf; | |
| 6654 int didit = 0; | |
| 6655 int n; | |
| 6656 | |
| 6657 /* Don't check timestamps while system() or another low-level function may | |
| 6658 * cause us to lose and gain focus. */ | |
| 6659 if (no_check_timestamps > 0) | |
| 6660 return FALSE; | |
| 6661 | |
| 6662 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6663 * event and we would keep on checking if the file is steadily growing. | |
| 6664 * Do check again after typing something. */ | |
| 6665 if (focus && did_check_timestamps) | |
| 6666 { | |
| 6667 need_check_timestamps = TRUE; | |
| 6668 return FALSE; | |
| 6669 } | |
| 6670 | |
| 6671 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6672 #ifdef FEAT_AUTOCMD | |
| 1834 | 6673 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6674 #endif |
| 6675 ) | |
| 6676 need_check_timestamps = TRUE; /* check later */ | |
| 6677 else | |
| 6678 { | |
| 6679 ++no_wait_return; | |
| 6680 did_check_timestamps = TRUE; | |
| 6681 already_warned = FALSE; | |
| 6682 for (buf = firstbuf; buf != NULL; ) | |
| 6683 { | |
| 6684 /* Only check buffers in a window. */ | |
| 6685 if (buf->b_nwindows > 0) | |
| 6686 { | |
| 6687 n = buf_check_timestamp(buf, focus); | |
| 6688 if (didit < n) | |
| 6689 didit = n; | |
| 6690 if (n > 0 && !buf_valid(buf)) | |
| 6691 { | |
| 6692 /* Autocommands have removed the buffer, start at the | |
| 6693 * first one again. */ | |
| 6694 buf = firstbuf; | |
| 6695 continue; | |
| 6696 } | |
| 6697 } | |
| 6698 buf = buf->b_next; | |
| 6699 } | |
| 6700 --no_wait_return; | |
| 6701 need_check_timestamps = FALSE; | |
| 6702 if (need_wait_return && didit == 2) | |
| 6703 { | |
| 6704 /* make sure msg isn't overwritten */ | |
| 6705 msg_puts((char_u *)"\n"); | |
| 6706 out_flush(); | |
| 6707 } | |
| 6708 } | |
| 6709 return didit; | |
| 6710 } | |
| 6711 | |
| 6712 /* | |
| 6713 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6714 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6715 * empty. | |
| 6716 */ | |
| 6717 static int | |
| 6718 move_lines(frombuf, tobuf) | |
| 6719 buf_T *frombuf; | |
| 6720 buf_T *tobuf; | |
| 6721 { | |
| 6722 buf_T *tbuf = curbuf; | |
| 6723 int retval = OK; | |
| 6724 linenr_T lnum; | |
| 6725 char_u *p; | |
| 6726 | |
| 6727 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6728 curbuf = tobuf; | |
| 6729 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6730 { | |
| 6731 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6732 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6733 { | |
| 6734 vim_free(p); | |
| 6735 retval = FAIL; | |
| 6736 break; | |
| 6737 } | |
| 6738 vim_free(p); | |
| 6739 } | |
| 6740 | |
| 6741 /* Delete all the lines in "frombuf". */ | |
| 6742 if (retval != FAIL) | |
| 6743 { | |
| 6744 curbuf = frombuf; | |
| 1055 | 6745 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6746 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6747 { |
| 6748 /* Oops! We could try putting back the saved lines, but that | |
| 6749 * might fail again... */ | |
| 6750 retval = FAIL; | |
| 6751 break; | |
| 6752 } | |
| 6753 } | |
| 6754 | |
| 6755 curbuf = tbuf; | |
| 6756 return retval; | |
| 6757 } | |
| 6758 | |
| 6759 /* | |
| 6760 * Check if buffer "buf" has been changed. | |
| 6761 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6762 * return 1 if a changed buffer was found. | |
| 6763 * return 2 if a message has been displayed. | |
| 6764 * return 0 otherwise. | |
| 6765 */ | |
| 6766 int | |
| 6767 buf_check_timestamp(buf, focus) | |
| 6768 buf_T *buf; | |
| 1877 | 6769 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6770 { |
| 6771 struct stat st; | |
| 6772 int stat_res; | |
| 6773 int retval = 0; | |
| 6774 char_u *path; | |
| 6775 char_u *tbuf; | |
| 6776 char *mesg = NULL; | |
| 188 | 6777 char *mesg2 = ""; |
| 7 | 6778 int helpmesg = FALSE; |
| 6779 int reload = FALSE; | |
| 6780 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6781 int can_reload = FALSE; | |
| 6782 #endif | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
6783 off_t orig_size = buf->b_orig_size; |
| 7 | 6784 int orig_mode = buf->b_orig_mode; |
| 6785 #ifdef FEAT_GUI | |
| 6786 int save_mouse_correct = need_mouse_correct; | |
| 6787 #endif | |
| 6788 #ifdef FEAT_AUTOCMD | |
| 6789 static int busy = FALSE; | |
| 179 | 6790 int n; |
| 6791 char_u *s; | |
| 6792 #endif | |
| 6793 char *reason; | |
| 7 | 6794 |
| 6795 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6796 * set, we are in the middle of a save or being called recursively: ignore | |
| 6797 * this buffer. */ | |
| 6798 if (buf->b_ffname == NULL | |
| 6799 || buf->b_ml.ml_mfp == NULL | |
| 6800 #if defined(FEAT_QUICKFIX) | |
| 6801 || *buf->b_p_bt != NUL | |
| 6802 #endif | |
| 6803 || buf->b_saving | |
| 6804 #ifdef FEAT_AUTOCMD | |
| 6805 || busy | |
| 6806 #endif | |
| 33 | 6807 #ifdef FEAT_NETBEANS_INTG |
| 6808 || isNetbeansBuffer(buf) | |
| 6809 #endif | |
| 7 | 6810 ) |
| 6811 return 0; | |
| 6812 | |
| 6813 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6814 && buf->b_mtime != 0 | |
| 6815 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6816 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6817 #ifdef HAVE_ST_MODE | |
| 6818 || (int)st.st_mode != buf->b_orig_mode | |
| 6819 #else | |
| 6820 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6821 #endif | |
| 6822 )) | |
| 6823 { | |
| 6824 retval = 1; | |
| 6825 | |
| 628 | 6826 /* set b_mtime to stop further warnings (e.g., when executing |
| 6827 * FileChangedShell autocmd) */ | |
| 7 | 6828 if (stat_res < 0) |
| 6829 { | |
| 6830 buf->b_mtime = 0; | |
| 6831 buf->b_orig_size = 0; | |
| 6832 buf->b_orig_mode = 0; | |
| 6833 } | |
| 6834 else | |
| 6835 buf_store_time(buf, &st, buf->b_ffname); | |
| 6836 | |
| 6837 /* Don't do anything for a directory. Might contain the file | |
| 6838 * explorer. */ | |
| 6839 if (mch_isdir(buf->b_fname)) | |
| 6840 ; | |
| 6841 | |
| 6842 /* | |
| 6843 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6844 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6845 * was set, the global option value otherwise. | |
| 6846 */ | |
| 6847 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6848 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6849 reload = TRUE; | |
| 6850 else | |
| 6851 { | |
| 179 | 6852 if (stat_res < 0) |
| 6853 reason = "deleted"; | |
| 6854 else if (bufIsChanged(buf)) | |
| 6855 reason = "conflict"; | |
| 6856 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6857 reason = "changed"; | |
| 6858 else if (orig_mode != buf->b_orig_mode) | |
| 6859 reason = "mode"; | |
| 6860 else | |
| 6861 reason = "time"; | |
| 6862 | |
| 7 | 6863 #ifdef FEAT_AUTOCMD |
| 6864 /* | |
| 6865 * Only give the warning if there are no FileChangedShell | |
| 6866 * autocommands. | |
| 6867 * Avoid being called recursively by setting "busy". | |
| 6868 */ | |
| 6869 busy = TRUE; | |
| 532 | 6870 # ifdef FEAT_EVAL |
| 179 | 6871 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6872 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6873 # endif |
| 1834 | 6874 ++allbuf_lock; |
| 7 | 6875 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6876 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6877 --allbuf_lock; |
| 7 | 6878 busy = FALSE; |
| 6879 if (n) | |
| 6880 { | |
| 6881 if (!buf_valid(buf)) | |
| 6882 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6883 # ifdef FEAT_EVAL |
| 179 | 6884 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6885 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6886 reload = TRUE; | |
| 6887 else if (STRCMP(s, "ask") == 0) | |
| 6888 n = FALSE; | |
| 6889 else | |
| 532 | 6890 # endif |
| 179 | 6891 return 2; |
| 7 | 6892 } |
| 179 | 6893 if (!n) |
| 7 | 6894 #endif |
| 6895 { | |
| 179 | 6896 if (*reason == 'd') |
| 6897 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6898 else |
| 6899 { | |
| 6900 helpmesg = TRUE; | |
| 6901 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6902 can_reload = TRUE; | |
| 6903 #endif | |
| 6904 /* | |
| 6905 * Check if the file contents really changed to avoid | |
| 6906 * giving a warning when only the timestamp was set (e.g., | |
| 6907 * checked out of CVS). Always warn when the buffer was | |
| 6908 * changed. | |
| 6909 */ | |
| 179 | 6910 if (reason[2] == 'n') |
| 6911 { | |
| 7 | 6912 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6913 mesg2 = _("See \":help W12\" for more info."); |
| 6914 } | |
| 6915 else if (reason[1] == 'h') | |
| 6916 { | |
| 7 | 6917 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6918 mesg2 = _("See \":help W11\" for more info."); |
| 6919 } | |
| 6920 else if (*reason == 'm') | |
| 6921 { | |
| 7 | 6922 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6923 mesg2 = _("See \":help W16\" for more info."); |
| 6924 } | |
| 1913 | 6925 else |
| 6926 /* Only timestamp changed, store it to avoid a warning | |
| 6927 * in check_mtime() later. */ | |
| 6928 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 6929 } |
| 6930 } | |
| 6931 } | |
| 6932 | |
| 6933 } | |
| 6934 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 6935 && vim_fexists(buf->b_ffname)) | |
| 6936 { | |
| 6937 retval = 1; | |
| 6938 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 6939 buf->b_flags |= BF_NEW_W; | |
| 6940 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6941 can_reload = TRUE; | |
| 6942 #endif | |
| 6943 } | |
| 6944 | |
| 6945 if (mesg != NULL) | |
| 6946 { | |
| 6947 path = home_replace_save(buf, buf->b_fname); | |
| 6948 if (path != NULL) | |
| 6949 { | |
| 179 | 6950 if (!helpmesg) |
| 7 | 6951 mesg2 = ""; |
| 6952 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 6953 + STRLEN(mesg2) + 2)); | |
| 6954 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 6955 #ifdef FEAT_EVAL |
| 6956 /* Set warningmsg here, before the unimportant and output-specific | |
| 6957 * mesg2 has been appended. */ | |
| 6958 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 6959 #endif | |
| 7 | 6960 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 6961 if (can_reload) | |
| 6962 { | |
| 6963 if (*mesg2 != NUL) | |
| 6964 { | |
| 6965 STRCAT(tbuf, "\n"); | |
| 6966 STRCAT(tbuf, mesg2); | |
| 6967 } | |
| 6968 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 6969 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2) | |
| 6970 reload = TRUE; | |
| 6971 } | |
| 6972 else | |
| 6973 #endif | |
| 6974 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 6975 { | |
| 6976 if (*mesg2 != NUL) | |
| 6977 { | |
| 6978 STRCAT(tbuf, "; "); | |
| 6979 STRCAT(tbuf, mesg2); | |
| 6980 } | |
| 6981 EMSG(tbuf); | |
| 6982 retval = 2; | |
| 6983 } | |
| 6984 else | |
| 6985 { | |
| 8 | 6986 # ifdef FEAT_AUTOCMD |
| 7 | 6987 if (!autocmd_busy) |
| 8 | 6988 # endif |
| 7 | 6989 { |
| 6990 msg_start(); | |
| 6991 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 6992 if (*mesg2 != NUL) | |
| 6993 msg_puts_attr((char_u *)mesg2, | |
| 6994 hl_attr(HLF_W) + MSG_HIST); | |
| 6995 msg_clr_eos(); | |
| 6996 (void)msg_end(); | |
| 6997 if (emsg_silent == 0) | |
| 6998 { | |
| 6999 out_flush(); | |
| 8 | 7000 # ifdef FEAT_GUI |
| 7 | 7001 if (!focus) |
| 8 | 7002 # endif |
| 7 | 7003 /* give the user some time to think about it */ |
| 7004 ui_delay(1000L, TRUE); | |
| 7005 | |
| 7006 /* don't redraw and erase the message */ | |
| 7007 redraw_cmdline = FALSE; | |
| 7008 } | |
| 7009 } | |
| 7010 already_warned = TRUE; | |
| 7011 } | |
| 7012 | |
| 7013 vim_free(path); | |
| 7014 vim_free(tbuf); | |
| 7015 } | |
| 7016 } | |
| 7017 | |
| 7018 if (reload) | |
| 311 | 7019 /* Reload the buffer. */ |
| 628 | 7020 buf_reload(buf, orig_mode); |
| 7 | 7021 |
| 765 | 7022 #ifdef FEAT_AUTOCMD |
| 1620 | 7023 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 7024 if (buf_valid(buf) && retval != 0) | |
| 765 | 7025 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 7026 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 7027 #endif | |
| 7 | 7028 #ifdef FEAT_GUI |
| 7029 /* restore this in case an autocommand has set it; it would break | |
| 7030 * 'mousefocus' */ | |
| 7031 need_mouse_correct = save_mouse_correct; | |
| 7032 #endif | |
| 7033 | |
| 7034 return retval; | |
| 7035 } | |
| 7036 | |
| 311 | 7037 /* |
| 7038 * Reload a buffer that is already loaded. | |
| 7039 * Used when the file was changed outside of Vim. | |
| 628 | 7040 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 7041 * buf->b_orig_mode may have been reset already. | |
| 311 | 7042 */ |
| 7043 void | |
| 628 | 7044 buf_reload(buf, orig_mode) |
| 311 | 7045 buf_T *buf; |
| 628 | 7046 int orig_mode; |
| 311 | 7047 { |
| 7048 exarg_T ea; | |
| 7049 pos_T old_cursor; | |
| 7050 linenr_T old_topline; | |
| 7051 int old_ro = buf->b_p_ro; | |
| 7052 buf_T *savebuf; | |
| 7053 int saved = OK; | |
| 7054 aco_save_T aco; | |
| 7055 | |
| 7056 /* set curwin/curbuf for "buf" and save some things */ | |
| 7057 aucmd_prepbuf(&aco, buf); | |
| 7058 | |
| 7059 /* We only want to read the text from the file, not reset the syntax | |
| 7060 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 7061 * and encoding to be the same. */ | |
| 7062 if (prep_exarg(&ea, buf) == OK) | |
| 7063 { | |
| 7064 old_cursor = curwin->w_cursor; | |
| 7065 old_topline = curwin->w_topline; | |
| 7066 | |
| 7067 /* | |
| 7068 * To behave like when a new file is edited (matters for | |
| 7069 * BufReadPost autocommands) we first need to delete the current | |
| 7070 * buffer contents. But if reading the file fails we should keep | |
| 7071 * the old contents. Can't use memory only, the file might be | |
| 7072 * too big. Use a hidden buffer to move the buffer contents to. | |
| 7073 */ | |
| 7074 if (bufempty()) | |
| 7075 savebuf = NULL; | |
| 7076 else | |
| 7077 { | |
| 7078 /* Allocate a buffer without putting it in the buffer list. */ | |
| 7079 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 7080 if (savebuf != NULL && buf == curbuf) |
| 311 | 7081 { |
| 7082 /* Open the memline. */ | |
| 7083 curbuf = savebuf; | |
| 7084 curwin->w_buffer = savebuf; | |
| 625 | 7085 saved = ml_open(curbuf); |
| 311 | 7086 curbuf = buf; |
| 7087 curwin->w_buffer = buf; | |
| 7088 } | |
| 837 | 7089 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 7090 || move_lines(buf, savebuf) == FAIL) |
| 7091 { | |
| 7092 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 7093 buf->b_fname); | |
| 7094 saved = FAIL; | |
| 7095 } | |
| 7096 } | |
| 7097 | |
| 7098 if (saved == OK) | |
| 7099 { | |
| 7100 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 7101 #ifdef FEAT_AUTOCMD | |
| 7102 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 7103 #endif | |
| 7104 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 7105 (linenr_T)0, | |
| 7106 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL) | |
| 7107 { | |
| 7108 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 7109 if (!aborting()) | |
| 7110 #endif | |
| 7111 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 7112 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 7113 { |
| 7114 /* Put the text back from the save buffer. First | |
| 7115 * delete any lines that readfile() added. */ | |
| 7116 while (!bufempty()) | |
| 837 | 7117 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 7118 break; |
| 7119 (void)move_lines(savebuf, buf); | |
| 7120 } | |
| 7121 } | |
| 837 | 7122 else if (buf == curbuf) |
| 311 | 7123 { |
| 7124 /* Mark the buffer as unmodified and free undo info. */ | |
| 7125 unchanged(buf, TRUE); | |
| 7126 u_blockfree(buf); | |
| 7127 u_clearall(buf); | |
| 7128 } | |
| 7129 } | |
| 7130 vim_free(ea.cmd); | |
| 7131 | |
| 837 | 7132 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 7133 wipe_buffer(savebuf, FALSE); |
| 7134 | |
| 7135 #ifdef FEAT_DIFF | |
| 7136 /* Invalidate diff info if necessary. */ | |
| 837 | 7137 diff_invalidate(curbuf); |
| 311 | 7138 #endif |
| 7139 | |
| 7140 /* Restore the topline and cursor position and check it (lines may | |
| 7141 * have been removed). */ | |
| 7142 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 7143 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 7144 else | |
| 7145 curwin->w_topline = old_topline; | |
| 7146 curwin->w_cursor = old_cursor; | |
| 7147 check_cursor(); | |
| 7148 update_topline(); | |
| 7149 #ifdef FEAT_AUTOCMD | |
| 7150 keep_filetype = FALSE; | |
| 7151 #endif | |
| 7152 #ifdef FEAT_FOLDING | |
| 7153 { | |
| 1863 | 7154 win_T *wp; |
| 7155 tabpage_T *tp; | |
| 311 | 7156 |
| 7157 /* Update folds unless they are defined manually. */ | |
| 1863 | 7158 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 7159 if (wp->w_buffer == curwin->w_buffer |
| 7160 && !foldmethodIsManual(wp)) | |
| 7161 foldUpdateAll(wp); | |
| 7162 } | |
| 7163 #endif | |
| 7164 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 7165 * value; the user probably used the ":view" command. But don't | |
| 7166 * reset it, might have had a read error. */ | |
| 7167 if (orig_mode == curbuf->b_orig_mode) | |
| 7168 curbuf->b_p_ro |= old_ro; | |
| 7169 } | |
| 7170 | |
| 7171 /* restore curwin/curbuf and a few other things */ | |
| 7172 aucmd_restbuf(&aco); | |
| 7173 /* Careful: autocommands may have made "buf" invalid! */ | |
| 7174 } | |
| 7175 | |
| 7 | 7176 void |
| 7177 buf_store_time(buf, st, fname) | |
| 7178 buf_T *buf; | |
| 7179 struct stat *st; | |
| 1877 | 7180 char_u *fname UNUSED; |
| 7 | 7181 { |
| 7182 buf->b_mtime = (long)st->st_mtime; | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
7183 buf->b_orig_size = st->st_size; |
| 7 | 7184 #ifdef HAVE_ST_MODE |
| 7185 buf->b_orig_mode = (int)st->st_mode; | |
| 7186 #else | |
| 7187 buf->b_orig_mode = mch_getperm(fname); | |
| 7188 #endif | |
| 7189 } | |
| 7190 | |
| 7191 /* | |
| 7192 * Adjust the line with missing eol, used for the next write. | |
| 7193 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 7194 */ | |
| 7195 void | |
| 7196 write_lnum_adjust(offset) | |
| 7197 linenr_T offset; | |
| 7198 { | |
| 167 | 7199 if (write_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7 | 7200 write_no_eol_lnum += offset; |
| 7201 } | |
| 7202 | |
| 7203 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 7204 static long temp_count = 0; /* Temp filename counter. */ | |
| 7205 | |
| 7206 /* | |
| 7207 * Delete the temp directory and all files it contains. | |
| 7208 */ | |
| 7209 void | |
| 7210 vim_deltempdir() | |
| 7211 { | |
| 7212 char_u **files; | |
| 7213 int file_count; | |
| 7214 int i; | |
| 7215 | |
| 7216 if (vim_tempdir != NULL) | |
| 7217 { | |
| 7218 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 7219 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 7220 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 7221 { | |
| 7222 for (i = 0; i < file_count; ++i) | |
| 7223 mch_remove(files[i]); | |
| 7224 FreeWild(file_count, files); | |
| 7225 } | |
| 7226 gettail(NameBuff)[-1] = NUL; | |
| 7227 (void)mch_rmdir(NameBuff); | |
| 7228 | |
| 7229 vim_free(vim_tempdir); | |
| 7230 vim_tempdir = NULL; | |
| 7231 } | |
| 7232 } | |
| 7233 #endif | |
| 7234 | |
| 2006 | 7235 #ifdef TEMPDIRNAMES |
| 7 | 7236 /* |
| 1997 | 7237 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7238 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7239 * "tempdir" must be no longer than MAXPATHL. | |
| 7240 */ | |
| 7241 static void | |
| 7242 vim_settempdir(tempdir) | |
| 7243 char_u *tempdir; | |
| 7244 { | |
| 7245 char_u *buf; | |
| 7246 | |
| 7247 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7248 if (buf != NULL) | |
| 7249 { | |
| 7250 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7251 STRCPY(buf, tempdir); | |
| 7252 # ifdef __EMX__ | |
| 7253 if (vim_strchr(buf, '/') != NULL) | |
| 7254 STRCAT(buf, "/"); | |
| 7255 else | |
| 7256 # endif | |
| 7257 add_pathsep(buf); | |
| 7258 vim_tempdir = vim_strsave(buf); | |
| 7259 vim_free(buf); | |
| 7260 } | |
| 7261 } | |
| 2006 | 7262 #endif |
| 1997 | 7263 |
| 7264 /* | |
| 7 | 7265 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7266 * | |
| 7267 * The temp file is NOT created. | |
| 7268 * | |
| 7269 * The returned pointer is to allocated memory. | |
| 7270 * The returned pointer is NULL if no valid name was found. | |
| 7271 */ | |
| 7272 char_u * | |
| 7273 vim_tempname(extra_char) | |
| 1877 | 7274 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7275 { |
| 7276 #ifdef USE_TMPNAM | |
| 7277 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7278 #else | |
| 7279 char_u itmp[TEMPNAMELEN]; | |
| 7280 #endif | |
| 7281 | |
| 7282 #ifdef TEMPDIRNAMES | |
| 7283 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7284 int i; | |
| 7285 # ifndef EEXIST | |
| 7286 struct stat st; | |
| 7287 # endif | |
| 7288 | |
| 7289 /* | |
| 7290 * This will create a directory for private use by this instance of Vim. | |
| 7291 * This is done once, and the same directory is used for all temp files. | |
| 7292 * This method avoids security problems because of symlink attacks et al. | |
| 7293 * It's also a bit faster, because we only need to check for an existing | |
| 7294 * file when creating the directory and not for each temp file. | |
| 7295 */ | |
| 7296 if (vim_tempdir == NULL) | |
| 7297 { | |
| 7298 /* | |
| 7299 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7300 */ | |
| 1877 | 7301 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7302 { |
|
2047
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parents:
2028
diff
changeset
|
7303 # ifndef HAVE_MKDTEMP |
| 1997 | 7304 size_t itmplen; |
| 7305 long nr; | |
| 7306 long off; | |
| 7307 # endif | |
| 7308 | |
| 7 | 7309 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7310 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7311 if (mch_isdir(itmp)) /* directory exists */ | |
| 7312 { | |
| 7313 # ifdef __EMX__ | |
| 7314 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7315 * tcsh), don't add a backslash, use a forward slash! | |
| 7316 * Adding 2 backslashes didn't work. */ | |
| 7317 if (vim_strchr(itmp, '/') != NULL) | |
| 7318 STRCAT(itmp, "/"); | |
| 7319 else | |
| 7320 # endif | |
| 7321 add_pathsep(itmp); | |
| 1997 | 7322 |
| 7323 # ifdef HAVE_MKDTEMP | |
| 7324 /* Leave room for filename */ | |
| 7325 STRCAT(itmp, "vXXXXXX"); | |
| 7326 if (mkdtemp((char *)itmp) != NULL) | |
| 7327 vim_settempdir(itmp); | |
| 7328 # else | |
| 7 | 7329 /* Get an arbitrary number of up to 6 digits. When it's |
| 7330 * unlikely that it already exists it will be faster, | |
| 7331 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7332 * security problems because of the predictable number. */ | |
| 7333 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
|
2047
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Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7334 itmplen = STRLEN(itmp); |
| 7 | 7335 |
| 7336 /* Try up to 10000 different values until we find a name that | |
| 7337 * doesn't exist. */ | |
| 7338 for (off = 0; off < 10000L; ++off) | |
| 7339 { | |
| 7340 int r; | |
| 1997 | 7341 # if defined(UNIX) || defined(VMS) |
| 7 | 7342 mode_t umask_save; |
| 1997 | 7343 # endif |
| 7344 | |
| 7345 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7346 # ifndef EEXIST | |
| 7 | 7347 /* If mkdir() does not set errno to EEXIST, check for |
| 7348 * existing file here. There is a race condition then, | |
| 7349 * although it's fail-safe. */ | |
| 7350 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7351 continue; | |
| 1997 | 7352 # endif |
| 7353 # if defined(UNIX) || defined(VMS) | |
| 7 | 7354 /* Make sure the umask doesn't remove the executable bit. |
| 7355 * "repl" has been reported to use "177". */ | |
| 7356 umask_save = umask(077); | |
| 1997 | 7357 # endif |
| 7 | 7358 r = vim_mkdir(itmp, 0700); |
| 1997 | 7359 # if defined(UNIX) || defined(VMS) |
| 7 | 7360 (void)umask(umask_save); |
| 1997 | 7361 # endif |
| 7 | 7362 if (r == 0) |
| 7363 { | |
| 1997 | 7364 vim_settempdir(itmp); |
| 7 | 7365 break; |
| 7366 } | |
| 1997 | 7367 # ifdef EEXIST |
| 7 | 7368 /* If the mkdir() didn't fail because the file/dir exists, |
| 7369 * we probably can't create any dir here, try another | |
| 7370 * place. */ | |
| 7371 if (errno != EEXIST) | |
| 1997 | 7372 # endif |
| 7 | 7373 break; |
| 7374 } | |
| 1997 | 7375 # endif /* HAVE_MKDTEMP */ |
| 7 | 7376 if (vim_tempdir != NULL) |
| 7377 break; | |
| 7378 } | |
| 7379 } | |
| 7380 } | |
| 7381 | |
| 7382 if (vim_tempdir != NULL) | |
| 7383 { | |
| 7384 /* There is no need to check if the file exists, because we own the | |
| 7385 * directory and nobody else creates a file in it. */ | |
| 7386 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7387 return vim_strsave(itmp); | |
| 7388 } | |
| 7389 | |
| 7390 return NULL; | |
| 7391 | |
| 7392 #else /* TEMPDIRNAMES */ | |
| 7393 | |
| 7394 # ifdef WIN3264 | |
| 7395 char szTempFile[_MAX_PATH + 1]; | |
| 7396 char buf4[4]; | |
| 7397 char_u *retval; | |
| 7398 char_u *p; | |
| 7399 | |
| 7400 STRCPY(itmp, ""); | |
| 7401 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 7402 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */ | |
| 7403 strcpy(buf4, "VIM"); | |
| 7404 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7405 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7406 return NULL; | |
| 7407 /* GetTempFileName() will create the file, we don't want that */ | |
| 7408 (void)DeleteFile(itmp); | |
| 7409 | |
| 7410 /* Backslashes in a temp file name cause problems when filtering with | |
| 7411 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7412 * didn't set 'shellslash'. */ | |
| 7413 retval = vim_strsave(itmp); | |
| 7414 if (*p_shcf == '-' || p_ssl) | |
| 7415 for (p = retval; *p; ++p) | |
| 7416 if (*p == '\\') | |
| 7417 *p = '/'; | |
| 7418 return retval; | |
| 7419 | |
| 7420 # else /* WIN3264 */ | |
| 7421 | |
| 7422 # ifdef USE_TMPNAM | |
| 7423 /* tmpnam() will make its own name */ | |
| 7424 if (*tmpnam((char *)itmp) == NUL) | |
| 7425 return NULL; | |
| 7426 # else | |
| 7427 char_u *p; | |
| 7428 | |
| 7429 # ifdef VMS_TEMPNAM | |
| 7430 /* mktemp() is not working on VMS. It seems to be | |
| 7431 * a do-nothing function. Therefore we use tempnam(). | |
| 7432 */ | |
| 7433 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7434 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7435 if (p != NULL) | |
| 7436 { | |
| 7437 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7438 * and VIM will then be unable to find the file later */ | |
| 7439 STRCPY(itmp, p); | |
| 7440 STRCAT(itmp, ".txt"); | |
| 7441 free(p); | |
| 7442 } | |
| 7443 else | |
| 7444 return NULL; | |
| 7445 # else | |
| 7446 STRCPY(itmp, TEMPNAME); | |
| 7447 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7448 *p = extra_char; | |
| 7449 if (mktemp((char *)itmp) == NULL) | |
| 7450 return NULL; | |
| 7451 # endif | |
| 7452 # endif | |
| 7453 | |
| 7454 return vim_strsave(itmp); | |
| 7455 # endif /* WIN3264 */ | |
| 7456 #endif /* TEMPDIRNAMES */ | |
| 7457 } | |
| 7458 | |
| 7459 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7460 /* | |
| 7461 * Convert all backslashes in fname to forward slashes in-place. | |
| 7462 */ | |
| 7463 void | |
| 7464 forward_slash(fname) | |
| 7465 char_u *fname; | |
| 7466 { | |
| 7467 char_u *p; | |
| 7468 | |
| 7469 for (p = fname; *p != NUL; ++p) | |
| 7470 # ifdef FEAT_MBYTE | |
| 7471 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7472 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7473 ++p; |
| 7474 else | |
| 7475 # endif | |
| 7476 if (*p == '\\') | |
| 7477 *p = '/'; | |
| 7478 } | |
| 7479 #endif | |
| 7480 | |
| 7481 | |
| 7482 /* | |
| 7483 * Code for automatic commands. | |
| 7484 * | |
| 7485 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7486 */ | |
| 7487 | |
| 7488 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7489 | |
| 7490 /* | |
| 7491 * The autocommands are stored in a list for each event. | |
| 7492 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7493 * together, to avoid having to match the pattern too often. | |
| 7494 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7495 * | |
| 7496 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7497 * Autopat.cmds Autopat.cmds | |
| 7498 * | | | |
| 7499 * V V | |
| 7500 * AutoCmd.next AutoCmd.next | |
| 7501 * | | | |
| 7502 * V V | |
| 7503 * AutoCmd.next NULL | |
| 7504 * | | |
| 7505 * V | |
| 7506 * NULL | |
| 7507 * | |
| 7508 * first_autopat[1] --> Autopat.next --> NULL | |
| 7509 * Autopat.cmds | |
| 7510 * | | |
| 7511 * V | |
| 7512 * AutoCmd.next | |
| 7513 * | | |
| 7514 * V | |
| 7515 * NULL | |
| 7516 * etc. | |
| 7517 * | |
| 7518 * The order of AutoCmds is important, this is the order in which they were | |
| 7519 * defined and will have to be executed. | |
| 7520 */ | |
| 7521 typedef struct AutoCmd | |
| 7522 { | |
| 7523 char_u *cmd; /* The command to be executed (NULL | |
| 7524 when command has been removed) */ | |
| 7525 char nested; /* If autocommands nest here */ | |
| 7526 char last; /* last command in list */ | |
| 7527 #ifdef FEAT_EVAL | |
| 7528 scid_T scriptID; /* script ID where defined */ | |
| 7529 #endif | |
| 7530 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7531 } AutoCmd; | |
| 7532 | |
| 7533 typedef struct AutoPat | |
| 7534 { | |
| 7535 int group; /* group ID */ | |
| 7536 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7537 has been removed) */ | |
| 7538 int patlen; /* strlen() of pat */ | |
| 153 | 7539 regprog_T *reg_prog; /* compiled regprog for pattern */ |
| 7 | 7540 char allow_dirs; /* Pattern may match whole path */ |
| 7541 char last; /* last pattern for apply_autocmds() */ | |
| 7542 AutoCmd *cmds; /* list of commands to do */ | |
| 7543 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
| 40 | 7544 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7545 } AutoPat; |
| 7546 | |
| 7547 static struct event_name | |
| 7548 { | |
| 7549 char *name; /* event name */ | |
| 661 | 7550 event_T event; /* event number */ |
| 7 | 7551 } event_names[] = |
| 7552 { | |
| 7553 {"BufAdd", EVENT_BUFADD}, | |
| 7554 {"BufCreate", EVENT_BUFADD}, | |
| 7555 {"BufDelete", EVENT_BUFDELETE}, | |
| 7556 {"BufEnter", EVENT_BUFENTER}, | |
| 7557 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7558 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7559 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7560 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7561 {"BufNew", EVENT_BUFNEW}, | |
| 7562 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7563 {"BufRead", EVENT_BUFREADPOST}, | |
| 7564 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7565 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7566 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7567 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7568 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7569 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7570 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7571 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7572 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7573 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7574 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7575 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7576 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7577 {"ColorScheme", EVENT_COLORSCHEME}, |
| 661 | 7578 {"CursorHold", EVENT_CURSORHOLD}, |
| 7579 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7580 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7581 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7582 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7583 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7584 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7585 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7586 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7587 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7588 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7589 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7590 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7591 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7592 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7593 {"FileType", EVENT_FILETYPE}, | |
| 7594 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7595 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7596 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7597 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7598 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7599 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7600 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7601 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7602 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7603 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7604 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7605 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7606 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7607 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7608 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 434 | 7609 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7610 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7611 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 7 | 7612 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7613 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7614 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7615 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7616 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7617 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7618 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7619 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7620 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7621 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7622 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7623 {"TabEnter", EVENT_TABENTER}, |
| 7624 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7625 {"TermChanged", EVENT_TERMCHANGED}, |
| 7626 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 7627 {"User", EVENT_USER}, | |
| 7628 {"VimEnter", EVENT_VIMENTER}, | |
| 7629 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7630 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7631 {"WinEnter", EVENT_WINENTER}, | |
| 7632 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7633 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7634 {NULL, (event_T)0} |
| 7 | 7635 }; |
| 7636 | |
| 7637 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7638 { | |
| 7639 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7640 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7641 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7642 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7643 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7644 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7645 }; |
| 7646 | |
| 7647 /* | |
| 7648 * struct used to keep status while executing autocommands for an event. | |
| 7649 */ | |
| 7650 typedef struct AutoPatCmd | |
| 7651 { | |
| 7652 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7653 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7654 int group; /* group being used */ | |
| 7655 char_u *fname; /* fname to match with */ | |
| 7656 char_u *sfname; /* sfname to match with */ | |
| 7657 char_u *tail; /* tail of fname */ | |
| 661 | 7658 event_T event; /* current event */ |
| 40 | 7659 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7660 buf is deleted */ | |
| 7661 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7662 } AutoPatCmd; |
| 7663 | |
| 297 | 7664 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7665 |
| 7 | 7666 /* |
| 7667 * augroups stores a list of autocmd group names. | |
| 7668 */ | |
| 297 | 7669 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7670 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7671 | |
| 7672 /* | |
| 7673 * The ID of the current group. Group 0 is the default one. | |
| 7674 */ | |
| 7675 static int current_augroup = AUGROUP_DEFAULT; | |
| 7676 | |
| 7677 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7678 | |
| 661 | 7679 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7680 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7681 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7682 static void au_cleanup __ARGS((void)); | |
| 7683 static int au_new_group __ARGS((char_u *name)); | |
| 7684 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7685 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7686 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7687 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7688 static int event_ignored __ARGS((event_T event)); |
| 7 | 7689 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7690 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7 | 7691 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
| 661 | 7692 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 | 7693 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7694 | |
| 40 | 7695 |
| 661 | 7696 static event_T last_event; |
| 7 | 7697 static int last_group; |
| 1410 | 7698 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7699 |
| 7700 /* | |
| 7701 * Show the autocommands for one AutoPat. | |
| 7702 */ | |
| 7703 static void | |
| 7704 show_autocmd(ap, event) | |
| 7705 AutoPat *ap; | |
| 661 | 7706 event_T event; |
| 7 | 7707 { |
| 7708 AutoCmd *ac; | |
| 7709 | |
| 7710 /* Check for "got_int" (here and at various places below), which is set | |
| 7711 * when "q" has been hit for the "--more--" prompt */ | |
| 7712 if (got_int) | |
| 7713 return; | |
| 7714 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7715 return; | |
| 7716 | |
| 7717 msg_putchar('\n'); | |
| 7718 if (got_int) | |
| 7719 return; | |
| 7720 if (event != last_event || ap->group != last_group) | |
| 7721 { | |
| 7722 if (ap->group != AUGROUP_DEFAULT) | |
| 7723 { | |
| 7724 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7725 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7726 else | |
| 7727 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7728 msg_puts((char_u *)" "); | |
| 7729 } | |
| 7730 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7731 last_event = event; | |
| 7732 last_group = ap->group; | |
| 7733 msg_putchar('\n'); | |
| 7734 if (got_int) | |
| 7735 return; | |
| 7736 } | |
| 7737 msg_col = 4; | |
| 7738 msg_outtrans(ap->pat); | |
| 7739 | |
| 7740 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7741 { | |
| 7742 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7743 { | |
| 7744 if (msg_col >= 14) | |
| 7745 msg_putchar('\n'); | |
| 7746 msg_col = 14; | |
| 7747 if (got_int) | |
| 7748 return; | |
| 7749 msg_outtrans(ac->cmd); | |
| 500 | 7750 #ifdef FEAT_EVAL |
| 7751 if (p_verbose > 0) | |
| 7752 last_set_msg(ac->scriptID); | |
| 7753 #endif | |
| 7 | 7754 if (got_int) |
| 7755 return; | |
| 7756 if (ac->next != NULL) | |
| 7757 { | |
| 7758 msg_putchar('\n'); | |
| 7759 if (got_int) | |
| 7760 return; | |
| 7761 } | |
| 7762 } | |
| 7763 } | |
| 7764 } | |
| 7765 | |
| 7766 /* | |
| 7767 * Mark an autocommand pattern for deletion. | |
| 7768 */ | |
| 7769 static void | |
| 7770 au_remove_pat(ap) | |
| 7771 AutoPat *ap; | |
| 7772 { | |
| 7773 vim_free(ap->pat); | |
| 7774 ap->pat = NULL; | |
| 40 | 7775 ap->buflocal_nr = -1; |
| 7 | 7776 au_need_clean = TRUE; |
| 7777 } | |
| 7778 | |
| 7779 /* | |
| 7780 * Mark all commands for a pattern for deletion. | |
| 7781 */ | |
| 7782 static void | |
| 7783 au_remove_cmds(ap) | |
| 7784 AutoPat *ap; | |
| 7785 { | |
| 7786 AutoCmd *ac; | |
| 7787 | |
| 7788 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7789 { | |
| 7790 vim_free(ac->cmd); | |
| 7791 ac->cmd = NULL; | |
| 7792 } | |
| 7793 au_need_clean = TRUE; | |
| 7794 } | |
| 7795 | |
| 7796 /* | |
| 7797 * Cleanup autocommands and patterns that have been deleted. | |
| 7798 * This is only done when not executing autocommands. | |
| 7799 */ | |
| 7800 static void | |
| 7801 au_cleanup() | |
| 7802 { | |
| 7803 AutoPat *ap, **prev_ap; | |
| 7804 AutoCmd *ac, **prev_ac; | |
| 661 | 7805 event_T event; |
| 7 | 7806 |
| 7807 if (autocmd_busy || !au_need_clean) | |
| 7808 return; | |
| 7809 | |
| 7810 /* loop over all events */ | |
| 661 | 7811 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7812 event = (event_T)((int)event + 1)) | |
| 7 | 7813 { |
| 7814 /* loop over all autocommand patterns */ | |
| 7815 prev_ap = &(first_autopat[(int)event]); | |
| 7816 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7817 { | |
| 7818 /* loop over all commands for this pattern */ | |
| 7819 prev_ac = &(ap->cmds); | |
| 7820 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7821 { | |
| 7822 /* remove the command if the pattern is to be deleted or when | |
| 7823 * the command has been marked for deletion */ | |
| 7824 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7825 { | |
| 7826 *prev_ac = ac->next; | |
| 7827 vim_free(ac->cmd); | |
| 7828 vim_free(ac); | |
| 7829 } | |
| 7830 else | |
| 7831 prev_ac = &(ac->next); | |
| 7832 } | |
| 7833 | |
| 7834 /* remove the pattern if it has been marked for deletion */ | |
| 7835 if (ap->pat == NULL) | |
| 7836 { | |
| 7837 *prev_ap = ap->next; | |
| 153 | 7838 vim_free(ap->reg_prog); |
| 7 | 7839 vim_free(ap); |
| 7840 } | |
| 7841 else | |
| 7842 prev_ap = &(ap->next); | |
| 7843 } | |
| 7844 } | |
| 7845 | |
| 7846 au_need_clean = FALSE; | |
| 7847 } | |
| 7848 | |
| 7849 /* | |
| 40 | 7850 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7851 * autocmds. | |
| 7852 */ | |
| 7853 void | |
| 7854 aubuflocal_remove(buf) | |
| 7855 buf_T *buf; | |
| 7856 { | |
| 7857 AutoPat *ap; | |
| 661 | 7858 event_T event; |
| 40 | 7859 AutoPatCmd *apc; |
| 7860 | |
| 7861 /* invalidate currently executing autocommands */ | |
| 7862 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7863 if (buf->b_fnum == apc->arg_bufnr) | |
| 7864 apc->arg_bufnr = 0; | |
| 7865 | |
| 7866 /* invalidate buflocals looping through events */ | |
| 661 | 7867 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7868 event = (event_T)((int)event + 1)) | |
| 40 | 7869 /* loop over all autocommand patterns */ |
| 7870 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7871 if (ap->buflocal_nr == buf->b_fnum) | |
| 7872 { | |
| 7873 au_remove_pat(ap); | |
| 7874 if (p_verbose >= 6) | |
| 292 | 7875 { |
| 7876 verbose_enter(); | |
| 40 | 7877 smsg((char_u *) |
| 7878 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7879 event_nr2name(event), buf->b_fnum); | |
| 292 | 7880 verbose_leave(); |
| 7881 } | |
| 40 | 7882 } |
| 7883 au_cleanup(); | |
| 7884 } | |
| 7885 | |
| 7886 /* | |
| 7 | 7887 * Add an autocmd group name. |
| 7888 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7889 */ | |
| 7890 static int | |
| 7891 au_new_group(name) | |
| 7892 char_u *name; | |
| 7893 { | |
| 7894 int i; | |
| 7895 | |
| 7896 i = au_find_group(name); | |
| 7897 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7898 { | |
| 7899 /* First try using a free entry. */ | |
| 7900 for (i = 0; i < augroups.ga_len; ++i) | |
| 7901 if (AUGROUP_NAME(i) == NULL) | |
| 7902 break; | |
| 7903 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 7904 return AUGROUP_ERROR; | |
| 7905 | |
| 7906 AUGROUP_NAME(i) = vim_strsave(name); | |
| 7907 if (AUGROUP_NAME(i) == NULL) | |
| 7908 return AUGROUP_ERROR; | |
| 7909 if (i == augroups.ga_len) | |
| 7910 ++augroups.ga_len; | |
| 7911 } | |
| 7912 | |
| 7913 return i; | |
| 7914 } | |
| 7915 | |
| 7916 static void | |
| 7917 au_del_group(name) | |
| 7918 char_u *name; | |
| 7919 { | |
| 7920 int i; | |
| 7921 | |
| 7922 i = au_find_group(name); | |
| 7923 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 7924 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 7925 else | |
| 7926 { | |
| 7927 vim_free(AUGROUP_NAME(i)); | |
| 7928 AUGROUP_NAME(i) = NULL; | |
| 7929 } | |
| 7930 } | |
| 7931 | |
| 7932 /* | |
| 7933 * Find the ID of an autocmd group name. | |
| 7934 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7935 */ | |
| 7936 static int | |
| 7937 au_find_group(name) | |
| 7938 char_u *name; | |
| 7939 { | |
| 7940 int i; | |
| 7941 | |
| 7942 for (i = 0; i < augroups.ga_len; ++i) | |
| 7943 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 7944 return i; | |
| 7945 return AUGROUP_ERROR; | |
| 7946 } | |
| 7947 | |
| 461 | 7948 /* |
| 7949 * Return TRUE if augroup "name" exists. | |
| 7950 */ | |
| 7951 int | |
| 7952 au_has_group(name) | |
| 7953 char_u *name; | |
| 7954 { | |
| 7955 return au_find_group(name) != AUGROUP_ERROR; | |
| 7956 } | |
| 7957 | |
| 7 | 7958 /* |
| 7959 * ":augroup {name}". | |
| 7960 */ | |
| 7961 void | |
| 7962 do_augroup(arg, del_group) | |
| 7963 char_u *arg; | |
| 7964 int del_group; | |
| 7965 { | |
| 7966 int i; | |
| 7967 | |
| 7968 if (del_group) | |
| 7969 { | |
| 7970 if (*arg == NUL) | |
| 7971 EMSG(_(e_argreq)); | |
| 7972 else | |
| 7973 au_del_group(arg); | |
| 7974 } | |
| 7975 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 7976 current_augroup = AUGROUP_DEFAULT; | |
| 7977 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 7978 { | |
| 7979 i = au_new_group(arg); | |
| 7980 if (i != AUGROUP_ERROR) | |
| 7981 current_augroup = i; | |
| 7982 } | |
| 7983 else /* ":aug": list the group names */ | |
| 7984 { | |
| 7985 msg_start(); | |
| 7986 for (i = 0; i < augroups.ga_len; ++i) | |
| 7987 { | |
| 7988 if (AUGROUP_NAME(i) != NULL) | |
| 7989 { | |
| 7990 msg_puts(AUGROUP_NAME(i)); | |
| 7991 msg_puts((char_u *)" "); | |
| 7992 } | |
| 7993 } | |
| 7994 msg_clr_eos(); | |
| 7995 msg_end(); | |
| 7996 } | |
| 7997 } | |
| 7998 | |
| 355 | 7999 #if defined(EXITFREE) || defined(PROTO) |
| 8000 void | |
| 8001 free_all_autocmds() | |
| 8002 { | |
| 8003 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 8004 ++current_augroup) | |
| 8005 do_autocmd((char_u *)"", TRUE); | |
| 8006 ga_clear_strings(&augroups); | |
| 8007 } | |
| 8008 #endif | |
| 8009 | |
| 7 | 8010 /* |
| 8011 * Return the event number for event name "start". | |
| 8012 * Return NUM_EVENTS if the event name was not found. | |
| 8013 * Return a pointer to the next event name in "end". | |
| 8014 */ | |
| 661 | 8015 static event_T |
| 7 | 8016 event_name2nr(start, end) |
| 8017 char_u *start; | |
| 8018 char_u **end; | |
| 8019 { | |
| 8020 char_u *p; | |
| 8021 int i; | |
| 8022 int len; | |
| 8023 | |
| 8024 /* the event name ends with end of line, a blank or a comma */ | |
| 8025 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 8026 ; | |
| 8027 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8028 { | |
| 8029 len = (int)STRLEN(event_names[i].name); | |
| 8030 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 8031 break; | |
| 8032 } | |
| 8033 if (*p == ',') | |
| 8034 ++p; | |
| 8035 *end = p; | |
| 8036 if (event_names[i].name == NULL) | |
| 8037 return NUM_EVENTS; | |
| 8038 return event_names[i].event; | |
| 8039 } | |
| 8040 | |
| 8041 /* | |
| 8042 * Return the name for event "event". | |
| 8043 */ | |
| 8044 static char_u * | |
| 8045 event_nr2name(event) | |
| 661 | 8046 event_T event; |
| 7 | 8047 { |
| 8048 int i; | |
| 8049 | |
| 8050 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8051 if (event_names[i].event == event) | |
| 8052 return (char_u *)event_names[i].name; | |
| 8053 return (char_u *)"Unknown"; | |
| 8054 } | |
| 8055 | |
| 8056 /* | |
| 8057 * Scan over the events. "*" stands for all events. | |
| 8058 */ | |
| 8059 static char_u * | |
| 8060 find_end_event(arg, have_group) | |
| 8061 char_u *arg; | |
| 8062 int have_group; /* TRUE when group name was found */ | |
| 8063 { | |
| 8064 char_u *pat; | |
| 8065 char_u *p; | |
| 8066 | |
| 8067 if (*arg == '*') | |
| 8068 { | |
| 8069 if (arg[1] && !vim_iswhite(arg[1])) | |
| 8070 { | |
| 8071 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 8072 return NULL; | |
| 8073 } | |
| 8074 pat = arg + 1; | |
| 8075 } | |
| 8076 else | |
| 8077 { | |
| 8078 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 8079 { | |
| 8080 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 8081 { | |
| 8082 if (have_group) | |
| 8083 EMSG2(_("E216: No such event: %s"), pat); | |
| 8084 else | |
| 8085 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 8086 return NULL; | |
| 8087 } | |
| 8088 } | |
| 8089 } | |
| 8090 return pat; | |
| 8091 } | |
| 8092 | |
| 8093 /* | |
| 8094 * Return TRUE if "event" is included in 'eventignore'. | |
| 8095 */ | |
| 8096 static int | |
| 8097 event_ignored(event) | |
| 661 | 8098 event_T event; |
| 7 | 8099 { |
| 8100 char_u *p = p_ei; | |
| 8101 | |
| 844 | 8102 while (*p != NUL) |
| 8103 { | |
| 8104 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8105 return TRUE; | |
| 7 | 8106 if (event_name2nr(p, &p) == event) |
| 8107 return TRUE; | |
| 844 | 8108 } |
| 7 | 8109 |
| 8110 return FALSE; | |
| 8111 } | |
| 8112 | |
| 8113 /* | |
| 8114 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 8115 */ | |
| 8116 int | |
| 8117 check_ei() | |
| 8118 { | |
| 8119 char_u *p = p_ei; | |
| 8120 | |
| 8121 while (*p) | |
| 844 | 8122 { |
| 8123 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8124 { | |
| 8125 p += 3; | |
| 8126 if (*p == ',') | |
| 8127 ++p; | |
| 8128 } | |
| 8129 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 8130 return FAIL; |
| 844 | 8131 } |
| 7 | 8132 |
| 8133 return OK; | |
| 8134 } | |
| 8135 | |
| 123 | 8136 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 8137 | |
| 8138 /* | |
| 8139 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 8140 * buffer loaded into the window. "what" must start with a comma. | |
| 8141 * Returns the old value of 'eventignore' in allocated memory. | |
| 8142 */ | |
| 8143 char_u * | |
| 8144 au_event_disable(what) | |
| 8145 char *what; | |
| 8146 { | |
| 8147 char_u *new_ei; | |
| 8148 char_u *save_ei; | |
| 8149 | |
| 8150 save_ei = vim_strsave(p_ei); | |
| 8151 if (save_ei != NULL) | |
| 8152 { | |
| 557 | 8153 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 8154 if (new_ei != NULL) |
| 8155 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8156 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8157 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8158 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8159 STRCAT(new_ei, what); |
| 694 | 8160 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 8161 OPT_FREE, SID_NONE); | |
| 123 | 8162 vim_free(new_ei); |
| 8163 } | |
| 8164 } | |
| 8165 return save_ei; | |
| 8166 } | |
| 8167 | |
| 8168 void | |
| 8169 au_event_restore(old_ei) | |
| 8170 char_u *old_ei; | |
| 8171 { | |
| 8172 if (old_ei != NULL) | |
| 8173 { | |
| 694 | 8174 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 8175 OPT_FREE, SID_NONE); | |
| 123 | 8176 vim_free(old_ei); |
| 8177 } | |
| 8178 } | |
| 8179 # endif /* FEAT_SYN_HL */ | |
| 8180 | |
| 7 | 8181 /* |
| 8182 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 8183 * following ways: | |
| 8184 * | |
| 8185 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 8186 * will be automatically executed for <event> | |
| 8187 * when editing a file matching <pat>, in | |
| 8188 * the current group. | |
| 8189 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 8190 * <event> and <pat>. | |
| 8191 * :autocmd <event> Show the auto-commands associated with | |
| 8192 * <event>. | |
| 8193 * :autocmd Show all auto-commands. | |
| 8194 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 8195 * <event> and <pat>, and add the command | |
| 8196 * <cmd>, for the current group. | |
| 8197 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 8198 * <event> and <pat> for the current group. | |
| 8199 * :autocmd! <event> Remove all auto-commands associated with | |
| 8200 * <event> for the current group. | |
| 8201 * :autocmd! Remove ALL auto-commands for the current | |
| 8202 * group. | |
| 8203 * | |
| 8204 * Multiple events and patterns may be given separated by commas. Here are | |
| 8205 * some examples: | |
| 8206 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 8207 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 8208 * | |
| 8209 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 8210 * |
| 8211 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 8212 */ |
| 8213 void | |
| 8214 do_autocmd(arg, forceit) | |
| 8215 char_u *arg; | |
| 8216 int forceit; | |
| 8217 { | |
| 8218 char_u *pat; | |
| 8219 char_u *envpat = NULL; | |
| 8220 char_u *cmd; | |
| 661 | 8221 event_T event; |
| 7 | 8222 int need_free = FALSE; |
| 8223 int nested = FALSE; | |
| 8224 int group; | |
| 8225 | |
| 8226 /* | |
| 8227 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8228 */ | |
| 8229 group = au_get_grouparg(&arg); | |
| 8230 if (arg == NULL) /* out of memory */ | |
| 8231 return; | |
| 8232 | |
| 8233 /* | |
| 8234 * Scan over the events. | |
| 8235 * If we find an illegal name, return here, don't do anything. | |
| 8236 */ | |
| 8237 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8238 if (pat == NULL) | |
| 8239 return; | |
| 8240 | |
| 8241 /* | |
| 8242 * Scan over the pattern. Put a NUL at the end. | |
| 8243 */ | |
| 8244 pat = skipwhite(pat); | |
| 8245 cmd = pat; | |
| 8246 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8247 cmd++; | |
| 8248 if (*cmd) | |
| 8249 *cmd++ = NUL; | |
| 8250 | |
| 8251 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8252 * forward slashes here. */ | |
| 8253 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8254 { | |
| 8255 #ifdef BACKSLASH_IN_FILENAME | |
| 8256 int p_ssl_save = p_ssl; | |
| 8257 | |
| 8258 p_ssl = TRUE; | |
| 8259 #endif | |
| 8260 envpat = expand_env_save(pat); | |
| 8261 #ifdef BACKSLASH_IN_FILENAME | |
| 8262 p_ssl = p_ssl_save; | |
| 8263 #endif | |
| 8264 if (envpat != NULL) | |
| 8265 pat = envpat; | |
| 8266 } | |
| 8267 | |
| 8268 /* | |
| 8269 * Check for "nested" flag. | |
| 8270 */ | |
| 8271 cmd = skipwhite(cmd); | |
| 8272 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8273 { | |
| 8274 nested = TRUE; | |
| 8275 cmd = skipwhite(cmd + 6); | |
| 8276 } | |
| 8277 | |
| 8278 /* | |
| 8279 * Find the start of the commands. | |
| 8280 * Expand <sfile> in it. | |
| 8281 */ | |
| 8282 if (*cmd != NUL) | |
| 8283 { | |
| 8284 cmd = expand_sfile(cmd); | |
| 8285 if (cmd == NULL) /* some error */ | |
| 8286 return; | |
| 8287 need_free = TRUE; | |
| 8288 } | |
| 8289 | |
| 8290 /* | |
| 8291 * Print header when showing autocommands. | |
| 8292 */ | |
| 8293 if (!forceit && *cmd == NUL) | |
| 8294 { | |
| 8295 /* Highlight title */ | |
| 8296 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8297 } | |
| 8298 | |
| 8299 /* | |
| 8300 * Loop over the events. | |
| 8301 */ | |
| 661 | 8302 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8303 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8304 if (*arg == '*' || *arg == NUL) | |
| 8305 { | |
| 661 | 8306 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8307 event = (event_T)((int)event + 1)) | |
| 7 | 8308 if (do_autocmd_event(event, pat, |
| 8309 nested, cmd, forceit, group) == FAIL) | |
| 8310 break; | |
| 8311 } | |
| 8312 else | |
| 8313 { | |
| 8314 while (*arg && !vim_iswhite(*arg)) | |
| 8315 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8316 nested, cmd, forceit, group) == FAIL) | |
| 8317 break; | |
| 8318 } | |
| 8319 | |
| 8320 if (need_free) | |
| 8321 vim_free(cmd); | |
| 8322 vim_free(envpat); | |
| 8323 } | |
| 8324 | |
| 8325 /* | |
| 8326 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8327 * The "argp" argument is advanced to the following argument. | |
| 8328 * | |
| 8329 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8330 */ | |
| 8331 static int | |
| 8332 au_get_grouparg(argp) | |
| 8333 char_u **argp; | |
| 8334 { | |
| 8335 char_u *group_name; | |
| 8336 char_u *p; | |
| 8337 char_u *arg = *argp; | |
| 8338 int group = AUGROUP_ALL; | |
| 8339 | |
| 8340 p = skiptowhite(arg); | |
| 8341 if (p > arg) | |
| 8342 { | |
| 8343 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8344 if (group_name == NULL) /* out of memory */ | |
| 8345 return AUGROUP_ERROR; | |
| 8346 group = au_find_group(group_name); | |
| 8347 if (group == AUGROUP_ERROR) | |
| 8348 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8349 else | |
| 8350 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8351 vim_free(group_name); | |
| 8352 } | |
| 8353 return group; | |
| 8354 } | |
| 8355 | |
| 8356 /* | |
| 8357 * do_autocmd() for one event. | |
| 8358 * If *pat == NUL do for all patterns. | |
| 8359 * If *cmd == NUL show entries. | |
| 8360 * If forceit == TRUE delete entries. | |
| 8361 * If group is not AUGROUP_ALL, only use this group. | |
| 8362 */ | |
| 8363 static int | |
| 8364 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8365 event_T event; |
| 7 | 8366 char_u *pat; |
| 8367 int nested; | |
| 8368 char_u *cmd; | |
| 8369 int forceit; | |
| 8370 int group; | |
| 8371 { | |
| 8372 AutoPat *ap; | |
| 8373 AutoPat **prev_ap; | |
| 8374 AutoCmd *ac; | |
| 8375 AutoCmd **prev_ac; | |
| 8376 int brace_level; | |
| 8377 char_u *endpat; | |
| 8378 int findgroup; | |
| 8379 int allgroups; | |
| 8380 int patlen; | |
| 856 | 8381 int is_buflocal; |
| 40 | 8382 int buflocal_nr; |
| 8383 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8384 |
| 8385 if (group == AUGROUP_ALL) | |
| 8386 findgroup = current_augroup; | |
| 8387 else | |
| 8388 findgroup = group; | |
| 8389 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8390 | |
| 8391 /* | |
| 8392 * Show or delete all patterns for an event. | |
| 8393 */ | |
| 8394 if (*pat == NUL) | |
| 8395 { | |
| 8396 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8397 { | |
| 8398 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8399 { | |
| 8400 if (ap->group == findgroup) | |
| 8401 au_remove_pat(ap); | |
| 8402 } | |
| 8403 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8404 show_autocmd(ap, event); | |
| 8405 } | |
| 8406 } | |
| 8407 | |
| 8408 /* | |
| 8409 * Loop through all the specified patterns. | |
| 8410 */ | |
| 8411 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8412 { | |
| 8413 /* | |
| 8414 * Find end of the pattern. | |
| 8415 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8416 */ | |
| 8417 brace_level = 0; | |
| 8418 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8419 || endpat[-1] == '\\'); ++endpat) | |
| 8420 { | |
| 8421 if (*endpat == '{') | |
| 8422 brace_level++; | |
| 8423 else if (*endpat == '}') | |
| 8424 brace_level--; | |
| 8425 } | |
| 8426 if (pat == endpat) /* ignore single comma */ | |
| 8427 continue; | |
| 8428 patlen = (int)(endpat - pat); | |
| 8429 | |
| 8430 /* | |
| 40 | 8431 * detect special <buflocal[=X]> buffer-local patterns |
| 8432 */ | |
| 8433 is_buflocal = FALSE; | |
| 8434 buflocal_nr = 0; | |
| 8435 | |
| 8436 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8437 && pat[patlen - 1] == '>') | |
| 8438 { | |
| 8439 /* Error will be printed only for addition. printing and removing | |
| 8440 * will proceed silently. */ | |
| 8441 is_buflocal = TRUE; | |
| 8442 if (patlen == 8) | |
| 8443 buflocal_nr = curbuf->b_fnum; | |
| 8444 else if (patlen > 9 && pat[7] == '=') | |
| 8445 { | |
| 8446 /* <buffer=abuf> */ | |
| 8447 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8448 buflocal_nr = autocmd_bufnr; | |
| 8449 /* <buffer=123> */ | |
| 8450 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8451 buflocal_nr = atoi((char *)pat + 8); | |
| 8452 } | |
| 8453 } | |
| 8454 | |
| 8455 if (is_buflocal) | |
| 8456 { | |
| 8457 /* normalize pat into standard "<buffer>#N" form */ | |
| 8458 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8459 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8460 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8461 } |
| 8462 | |
| 8463 /* | |
| 7 | 8464 * Find AutoPat entries with this pattern. |
| 8465 */ | |
| 8466 prev_ap = &first_autopat[(int)event]; | |
| 8467 while ((ap = *prev_ap) != NULL) | |
| 8468 { | |
| 8469 if (ap->pat != NULL) | |
| 8470 { | |
| 8471 /* Accept a pattern when: | |
| 8472 * - a group was specified and it's that group, or a group was | |
| 8473 * not specified and it's the current group, or a group was | |
| 8474 * not specified and we are listing | |
| 8475 * - the length of the pattern matches | |
| 40 | 8476 * - the pattern matches. |
| 8477 * For <buffer[=X]>, this condition works because we normalize | |
| 8478 * all buffer-local patterns. | |
| 7 | 8479 */ |
| 8480 if ((allgroups || ap->group == findgroup) | |
| 8481 && ap->patlen == patlen | |
| 8482 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8483 { | |
| 8484 /* | |
| 8485 * Remove existing autocommands. | |
| 8486 * If adding any new autocmd's for this AutoPat, don't | |
| 8487 * delete the pattern from the autopat list, append to | |
| 8488 * this list. | |
| 8489 */ | |
| 8490 if (forceit) | |
| 8491 { | |
| 8492 if (*cmd != NUL && ap->next == NULL) | |
| 8493 { | |
| 8494 au_remove_cmds(ap); | |
| 8495 break; | |
| 8496 } | |
| 8497 au_remove_pat(ap); | |
| 8498 } | |
| 8499 | |
| 8500 /* | |
| 40 | 8501 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8502 */ |
| 8503 else if (*cmd == NUL) | |
| 8504 show_autocmd(ap, event); | |
| 8505 | |
| 8506 /* | |
| 8507 * Add autocmd to this autopat, if it's the last one. | |
| 8508 */ | |
| 8509 else if (ap->next == NULL) | |
| 8510 break; | |
| 8511 } | |
| 8512 } | |
| 8513 prev_ap = &ap->next; | |
| 8514 } | |
| 8515 | |
| 8516 /* | |
| 8517 * Add a new command. | |
| 8518 */ | |
| 8519 if (*cmd != NUL) | |
| 8520 { | |
| 8521 /* | |
| 8522 * If the pattern we want to add a command to does appear at the | |
| 8523 * end of the list (or not is not in the list at all), add the | |
| 8524 * pattern at the end of the list. | |
| 8525 */ | |
| 8526 if (ap == NULL) | |
| 8527 { | |
| 40 | 8528 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8529 if (is_buflocal && (buflocal_nr == 0 | |
| 8530 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8531 { | |
| 8532 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8533 buflocal_nr); | |
| 8534 return FAIL; | |
| 8535 } | |
| 8536 | |
| 7 | 8537 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8538 if (ap == NULL) | |
| 8539 return FAIL; | |
| 8540 ap->pat = vim_strnsave(pat, patlen); | |
| 8541 ap->patlen = patlen; | |
| 8542 if (ap->pat == NULL) | |
| 8543 { | |
| 8544 vim_free(ap); | |
| 8545 return FAIL; | |
| 8546 } | |
| 40 | 8547 |
| 8548 if (is_buflocal) | |
| 8549 { | |
| 8550 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8551 ap->reg_prog = NULL; |
| 40 | 8552 } |
| 8553 else | |
| 7 | 8554 { |
| 153 | 8555 char_u *reg_pat; |
| 8556 | |
| 40 | 8557 ap->buflocal_nr = 0; |
| 153 | 8558 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8559 &ap->allow_dirs, TRUE); |
| 153 | 8560 if (reg_pat != NULL) |
| 8561 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8562 vim_free(reg_pat); |
| 153 | 8563 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8564 { |
| 8565 vim_free(ap->pat); | |
| 8566 vim_free(ap); | |
| 8567 return FAIL; | |
| 8568 } | |
| 7 | 8569 } |
| 8570 ap->cmds = NULL; | |
| 8571 *prev_ap = ap; | |
| 8572 ap->next = NULL; | |
| 8573 if (group == AUGROUP_ALL) | |
| 8574 ap->group = current_augroup; | |
| 8575 else | |
| 8576 ap->group = group; | |
| 8577 } | |
| 8578 | |
| 8579 /* | |
| 8580 * Add the autocmd at the end of the AutoCmd list. | |
| 8581 */ | |
| 8582 prev_ac = &(ap->cmds); | |
| 8583 while ((ac = *prev_ac) != NULL) | |
| 8584 prev_ac = &ac->next; | |
| 8585 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8586 if (ac == NULL) | |
| 8587 return FAIL; | |
| 8588 ac->cmd = vim_strsave(cmd); | |
| 8589 #ifdef FEAT_EVAL | |
| 8590 ac->scriptID = current_SID; | |
| 8591 #endif | |
| 8592 if (ac->cmd == NULL) | |
| 8593 { | |
| 8594 vim_free(ac); | |
| 8595 return FAIL; | |
| 8596 } | |
| 8597 ac->next = NULL; | |
| 8598 *prev_ac = ac; | |
| 8599 ac->nested = nested; | |
| 8600 } | |
| 8601 } | |
| 8602 | |
| 8603 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8604 return OK; | |
| 8605 } | |
| 8606 | |
| 8607 /* | |
| 8608 * Implementation of ":doautocmd [group] event [fname]". | |
| 8609 * Return OK for success, FAIL for failure; | |
| 8610 */ | |
| 8611 int | |
| 8612 do_doautocmd(arg, do_msg) | |
| 8613 char_u *arg; | |
| 8614 int do_msg; /* give message for no matching autocmds? */ | |
| 8615 { | |
| 8616 char_u *fname; | |
| 8617 int nothing_done = TRUE; | |
| 8618 int group; | |
| 8619 | |
| 8620 /* | |
| 8621 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8622 */ | |
| 8623 group = au_get_grouparg(&arg); | |
| 8624 if (arg == NULL) /* out of memory */ | |
| 8625 return FAIL; | |
| 8626 | |
| 8627 if (*arg == '*') | |
| 8628 { | |
| 8629 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8630 return FAIL; | |
| 8631 } | |
| 8632 | |
| 8633 /* | |
| 8634 * Scan over the events. | |
| 8635 * If we find an illegal name, return here, don't do anything. | |
| 8636 */ | |
| 8637 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8638 if (fname == NULL) | |
| 8639 return FAIL; | |
| 8640 | |
| 8641 fname = skipwhite(fname); | |
| 8642 | |
| 8643 /* | |
| 8644 * Loop over the events. | |
| 8645 */ | |
| 8646 while (*arg && !vim_iswhite(*arg)) | |
| 8647 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8648 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8649 nothing_done = FALSE; | |
| 8650 | |
| 8651 if (nothing_done && do_msg) | |
| 8652 MSG(_("No matching autocommands")); | |
| 8653 | |
| 8654 #ifdef FEAT_EVAL | |
| 8655 return aborting() ? FAIL : OK; | |
| 8656 #else | |
| 8657 return OK; | |
| 8658 #endif | |
| 8659 } | |
| 8660 | |
| 8661 /* | |
| 8662 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8663 */ | |
| 8664 void | |
| 8665 ex_doautoall(eap) | |
| 8666 exarg_T *eap; | |
| 8667 { | |
| 8668 int retval; | |
| 8669 aco_save_T aco; | |
| 8670 buf_T *buf; | |
| 8671 | |
| 8672 /* | |
| 8673 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8674 * equal to curbuf, but for some buffers there may not be a window. | |
| 8675 * So we change the buffer for the current window for a moment. This | |
| 8676 * gives problems when the autocommands make changes to the list of | |
| 8677 * buffers or windows... | |
| 8678 */ | |
| 8679 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8680 { | |
| 1665 | 8681 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8682 { |
| 8683 /* find a window for this buffer and save some values */ | |
| 8684 aucmd_prepbuf(&aco, buf); | |
| 8685 | |
| 8686 /* execute the autocommands for this buffer */ | |
| 8687 retval = do_doautocmd(eap->arg, FALSE); | |
| 1113 | 8688 |
| 8689 /* Execute the modeline settings, but don't set window-local | |
| 8690 * options if we are using the current window for another buffer. */ | |
| 1906 | 8691 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
| 7 | 8692 |
| 8693 /* restore the current window */ | |
| 8694 aucmd_restbuf(&aco); | |
| 8695 | |
| 8696 /* stop if there is some error or buffer was deleted */ | |
| 8697 if (retval == FAIL || !buf_valid(buf)) | |
| 8698 break; | |
| 8699 } | |
| 8700 } | |
| 8701 | |
| 8702 check_cursor(); /* just in case lines got deleted */ | |
| 8703 } | |
| 8704 | |
| 8705 /* | |
| 8706 * Prepare for executing autocommands for (hidden) buffer "buf". | |
| 1906 | 8707 * Search for a visible window containing the current buffer. If there isn't |
| 8708 * one then use "aucmd_win". | |
| 7 | 8709 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8710 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8711 */ |
| 8712 void | |
| 8713 aucmd_prepbuf(aco, buf) | |
| 8714 aco_save_T *aco; /* structure to save values in */ | |
| 8715 buf_T *buf; /* new curbuf */ | |
| 8716 { | |
| 8717 win_T *win; | |
| 1906 | 8718 #ifdef FEAT_WINDOWS |
| 8719 int save_ea; | |
| 8720 #endif | |
| 7 | 8721 |
| 8722 /* Find a window that is for the new buffer */ | |
| 8723 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8724 win = curwin; | |
| 8725 else | |
| 8726 #ifdef FEAT_WINDOWS | |
| 8727 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8728 if (win->w_buffer == buf) | |
| 8729 break; | |
| 8730 #else | |
| 8731 win = NULL; | |
| 8732 #endif | |
| 8733 | |
| 1906 | 8734 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8735 * back to using the current window. */ | |
| 8736 if (win == NULL && aucmd_win == NULL) | |
| 8737 { | |
| 8738 win_alloc_aucmd_win(); | |
| 8739 if (aucmd_win == NULL) | |
| 8740 win = curwin; | |
| 8741 } | |
| 1944 | 8742 if (win == NULL && aucmd_win_used) |
| 8743 /* Strange recursive autocommand, fall back to using the current | |
| 8744 * window. Expect a few side effects... */ | |
| 8745 win = curwin; | |
| 1906 | 8746 |
| 8747 aco->save_curwin = curwin; | |
| 8748 aco->save_curbuf = curbuf; | |
| 7 | 8749 if (win != NULL) |
| 8750 { | |
| 1906 | 8751 /* There is a window for "buf" in the current tab page, make it the |
| 8752 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8753 * "buf" is curbuf). */ | |
| 1944 | 8754 aco->use_aucmd_win = FALSE; |
| 7 | 8755 curwin = win; |
| 8756 } | |
| 8757 else | |
| 8758 { | |
| 1906 | 8759 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 8760 * effects, insert it in a the current tab page. | |
| 8761 * Anything related to a window (e.g., setting folds) may have | |
| 8762 * unexpected results. */ | |
| 1944 | 8763 aco->use_aucmd_win = TRUE; |
| 8764 aucmd_win_used = TRUE; | |
| 1918 | 8765 aucmd_win->w_buffer = buf; |
|
2258
772bfca06c18
Fix crash when using ":grep".
Bram Moolenaar <bram@vim.org>
parents:
2244
diff
changeset
|
8766 aucmd_win->w_s = &buf->b_s; |
| 7 | 8767 ++buf->b_nwindows; |
| 1918 | 8768 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8769 vim_free(aucmd_win->w_localdir); |
| 8770 aucmd_win->w_localdir = NULL; | |
| 8771 | |
| 8772 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8773 * win_enter_ext(). */ | |
| 8774 aucmd_win->w_localdir = NULL; | |
| 8775 aco->globaldir = globaldir; | |
| 8776 globaldir = NULL; | |
| 8777 | |
| 7 | 8778 |
| 1906 | 8779 #ifdef FEAT_WINDOWS |
| 1923 | 8780 /* Split the current window, put the aucmd_win in the upper half. |
| 8781 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8782 block_autocmds(); | |
| 1906 | 8783 make_snapshot(SNAP_AUCMD_IDX); |
| 8784 save_ea = p_ea; | |
| 8785 p_ea = FALSE; | |
| 8786 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
| 8787 (void)win_comp_pos(); /* recompute window positions */ | |
| 8788 p_ea = save_ea; | |
| 1923 | 8789 unblock_autocmds(); |
| 1906 | 8790 #endif |
| 1918 | 8791 curwin = aucmd_win; |
| 1906 | 8792 } |
| 7 | 8793 curbuf = buf; |
| 1906 | 8794 aco->new_curwin = curwin; |
| 8795 aco->new_curbuf = curbuf; | |
| 7 | 8796 } |
| 8797 | |
| 8798 /* | |
| 8799 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8800 * Restore the window as it was (if possible). | |
| 934 | 8801 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8802 */ |
| 8803 void | |
| 8804 aucmd_restbuf(aco) | |
| 8805 aco_save_T *aco; /* structure holding saved values */ | |
| 8806 { | |
| 1906 | 8807 #ifdef FEAT_WINDOWS |
| 8808 int dummy; | |
| 8809 #endif | |
| 8810 | |
| 1944 | 8811 if (aco->use_aucmd_win) |
| 1906 | 8812 { |
| 8813 --curbuf->b_nwindows; | |
| 8814 #ifdef FEAT_WINDOWS | |
| 8815 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8816 * page. Do not trigger autocommands here. */ |
| 8817 block_autocmds(); | |
| 1906 | 8818 if (curwin != aucmd_win) |
| 8819 { | |
| 8820 tabpage_T *tp; | |
| 8821 win_T *wp; | |
| 8822 | |
| 8823 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8824 { | |
| 8825 if (wp == aucmd_win) | |
| 8826 { | |
| 8827 if (tp != curtab) | |
| 8828 goto_tabpage_tp(tp); | |
| 8829 win_goto(aucmd_win); | |
| 8830 break; | |
| 8831 } | |
| 8832 } | |
| 8833 } | |
| 8834 | |
| 8835 /* Remove the window and frame from the tree of frames. */ | |
| 8836 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8837 win_remove(curwin, NULL); | |
| 1944 | 8838 aucmd_win_used = FALSE; |
| 1906 | 8839 last_status(FALSE); /* may need to remove last status line */ |
| 8840 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8841 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8842 unblock_autocmds(); |
| 1906 | 8843 |
| 8844 if (win_valid(aco->save_curwin)) | |
| 8845 curwin = aco->save_curwin; | |
| 8846 else | |
| 8847 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8848 curwin = firstwin; | |
| 8849 # ifdef FEAT_EVAL | |
| 8850 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
| 2001 | 8851 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
| 1906 | 8852 # endif |
| 8853 #else | |
| 8854 curwin = aco->save_curwin; | |
| 8855 #endif | |
| 8856 curbuf = curwin->w_buffer; | |
| 8857 | |
| 1944 | 8858 vim_free(globaldir); |
| 8859 globaldir = aco->globaldir; | |
| 8860 | |
| 1906 | 8861 /* the buffer contents may have changed */ |
| 8862 check_cursor(); | |
| 8863 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8864 { | |
| 8865 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8866 #ifdef FEAT_DIFF | |
| 8867 curwin->w_topfill = 0; | |
| 8868 #endif | |
| 8869 } | |
| 8870 #if defined(FEAT_GUI) | |
| 8871 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8872 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8873 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8874 gui_may_update_scrollbars(); | |
| 8875 #endif | |
| 8876 } | |
| 8877 else | |
| 7 | 8878 { |
| 8879 /* restore curwin */ | |
| 8880 #ifdef FEAT_WINDOWS | |
| 8881 if (win_valid(aco->save_curwin)) | |
| 8882 #endif | |
| 8883 { | |
| 1906 | 8884 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8885 * it was changed, we are still the same window and the buffer is |
| 1906 | 8886 * valid. */ |
| 7 | 8887 if (curwin == aco->new_curwin |
| 1906 | 8888 && curbuf != aco->new_curbuf |
| 8889 && buf_valid(aco->new_curbuf) | |
| 8890 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8891 { |
| 8892 --curbuf->b_nwindows; | |
| 1906 | 8893 curbuf = aco->new_curbuf; |
| 7 | 8894 curwin->w_buffer = curbuf; |
| 8895 ++curbuf->b_nwindows; | |
| 8896 } | |
| 8897 | |
| 8898 curwin = aco->save_curwin; | |
| 8899 curbuf = curwin->w_buffer; | |
| 8900 } | |
| 8901 } | |
| 8902 } | |
| 8903 | |
| 8904 static int autocmd_nested = FALSE; | |
| 8905 | |
| 8906 /* | |
| 8907 * Execute autocommands for "event" and file name "fname". | |
| 8908 * Return TRUE if some commands were executed. | |
| 8909 */ | |
| 8910 int | |
| 8911 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 8912 event_T event; |
| 7 | 8913 char_u *fname; /* NULL or empty means use actual file name */ |
| 8914 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8915 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8916 buf_T *buf; /* buffer for <abuf> */ | |
| 8917 { | |
| 8918 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8919 AUGROUP_ALL, buf, NULL); | |
| 8920 } | |
| 8921 | |
| 8922 /* | |
| 8923 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 8924 * setting v:filearg. | |
| 8925 */ | |
| 8926 static int | |
| 8927 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 8928 event_T event; |
| 7 | 8929 char_u *fname; |
| 8930 char_u *fname_io; | |
| 8931 int force; | |
| 8932 buf_T *buf; | |
| 8933 exarg_T *eap; | |
| 8934 { | |
| 8935 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8936 AUGROUP_ALL, buf, eap); | |
| 8937 } | |
| 8938 | |
| 8939 /* | |
| 8940 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 8941 * processing is being aborted or if retval is FAIL when inside a try | |
| 8942 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 8943 * cause the script to be aborted, retval is set to FAIL. | |
| 8944 */ | |
| 8945 int | |
| 8946 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 8947 event_T event; |
| 7 | 8948 char_u *fname; /* NULL or empty means use actual file name */ |
| 8949 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8950 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8951 buf_T *buf; /* buffer for <abuf> */ | |
| 8952 int *retval; /* pointer to caller's retval */ | |
| 8953 { | |
| 8954 int did_cmd; | |
| 8955 | |
| 532 | 8956 #ifdef FEAT_EVAL |
| 7 | 8957 if (should_abort(*retval)) |
| 8958 return FALSE; | |
| 532 | 8959 #endif |
| 7 | 8960 |
| 8961 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 8962 AUGROUP_ALL, buf, NULL); | |
| 532 | 8963 if (did_cmd |
| 8964 #ifdef FEAT_EVAL | |
| 8965 && aborting() | |
| 8966 #endif | |
| 8967 ) | |
| 7 | 8968 *retval = FAIL; |
| 8969 return did_cmd; | |
| 8970 } | |
| 8971 | |
| 609 | 8972 /* |
| 8973 * Return TRUE when there is a CursorHold autocommand defined. | |
| 8974 */ | |
| 7 | 8975 int |
| 8976 has_cursorhold() | |
| 8977 { | |
| 661 | 8978 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 8979 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 8980 } |
| 609 | 8981 |
| 8982 /* | |
| 8983 * Return TRUE if the CursorHold event can be triggered. | |
| 8984 */ | |
| 8985 int | |
| 8986 trigger_cursorhold() | |
| 8987 { | |
| 661 | 8988 int state; |
| 8989 | |
| 978 | 8990 if (!did_cursorhold && has_cursorhold() && !Recording |
| 8991 #ifdef FEAT_INS_EXPAND | |
| 8992 && !ins_compl_active() | |
| 8993 #endif | |
| 8994 ) | |
| 661 | 8995 { |
| 8996 state = get_real_state(); | |
| 8997 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 8998 return TRUE; | |
| 8999 } | |
| 9000 return FALSE; | |
| 609 | 9001 } |
| 661 | 9002 |
| 9003 /* | |
| 9004 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 9005 */ | |
| 9006 int | |
| 9007 has_cursormoved() | |
| 9008 { | |
| 9009 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 9010 } | |
| 9011 | |
| 9012 /* | |
| 9013 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 9014 */ | |
| 9015 int | |
| 9016 has_cursormovedI() | |
| 9017 { | |
| 9018 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 9019 } | |
| 7 | 9020 |
| 9021 static int | |
| 9022 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 9023 event_T event; |
| 7 | 9024 char_u *fname; /* NULL or empty means use actual file name */ |
| 9025 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 9026 use fname */ | |
| 9027 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9028 int group; /* group ID, or AUGROUP_ALL */ | |
| 9029 buf_T *buf; /* buffer for <abuf> */ | |
| 9030 exarg_T *eap; /* command arguments */ | |
| 9031 { | |
| 9032 char_u *sfname = NULL; /* short file name */ | |
| 9033 char_u *tail; | |
| 9034 int save_changed; | |
| 9035 buf_T *old_curbuf; | |
| 9036 int retval = FALSE; | |
| 9037 char_u *save_sourcing_name; | |
| 9038 linenr_T save_sourcing_lnum; | |
| 9039 char_u *save_autocmd_fname; | |
| 1723 | 9040 int save_autocmd_fname_full; |
| 7 | 9041 int save_autocmd_bufnr; |
| 9042 char_u *save_autocmd_match; | |
| 9043 int save_autocmd_busy; | |
| 9044 int save_autocmd_nested; | |
| 9045 static int nesting = 0; | |
| 9046 AutoPatCmd patcmd; | |
| 9047 AutoPat *ap; | |
| 9048 #ifdef FEAT_EVAL | |
| 9049 scid_T save_current_SID; | |
| 9050 void *save_funccalp; | |
| 9051 char_u *save_cmdarg; | |
| 9052 long save_cmdbang; | |
| 9053 #endif | |
| 9054 static int filechangeshell_busy = FALSE; | |
| 170 | 9055 #ifdef FEAT_PROFILE |
| 9056 proftime_T wait_time; | |
| 9057 #endif | |
| 7 | 9058 |
| 9059 /* | |
| 9060 * Quickly return if there are no autocommands for this event or | |
| 9061 * autocommands are blocked. | |
| 9062 */ | |
| 1410 | 9063 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 9064 goto BYPASS_AU; |
| 7 | 9065 |
| 9066 /* | |
| 9067 * When autocommands are busy, new autocommands are only executed when | |
| 9068 * explicitly enabled with the "nested" flag. | |
| 9069 */ | |
| 9070 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 9071 goto BYPASS_AU; |
| 7 | 9072 |
| 9073 #ifdef FEAT_EVAL | |
| 9074 /* | |
| 1201 | 9075 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 9076 * occurred or an exception was thrown but not caught. |
| 9077 */ | |
| 9078 if (aborting()) | |
| 40 | 9079 goto BYPASS_AU; |
| 7 | 9080 #endif |
| 9081 | |
| 9082 /* | |
| 9083 * FileChangedShell never nests, because it can create an endless loop. | |
| 9084 */ | |
| 765 | 9085 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 9086 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 9087 goto BYPASS_AU; |
| 7 | 9088 |
| 9089 /* | |
| 9090 * Ignore events in 'eventignore'. | |
| 9091 */ | |
| 9092 if (event_ignored(event)) | |
| 40 | 9093 goto BYPASS_AU; |
| 7 | 9094 |
| 9095 /* | |
| 9096 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 9097 * possible to create an endless loop. | |
| 9098 */ | |
| 9099 if (nesting == 10) | |
| 9100 { | |
| 9101 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 9102 goto BYPASS_AU; |
| 7 | 9103 } |
| 9104 | |
| 9105 /* | |
| 9106 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 9107 * ":ball". | |
| 9108 */ | |
| 9109 if ( (autocmd_no_enter | |
| 9110 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 9111 || (autocmd_no_leave | |
| 9112 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 9113 goto BYPASS_AU; |
| 7 | 9114 |
| 9115 /* | |
| 9116 * Save the autocmd_* variables and info about the current buffer. | |
| 9117 */ | |
| 9118 save_autocmd_fname = autocmd_fname; | |
| 1723 | 9119 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 9120 save_autocmd_bufnr = autocmd_bufnr; |
| 9121 save_autocmd_match = autocmd_match; | |
| 9122 save_autocmd_busy = autocmd_busy; | |
| 9123 save_autocmd_nested = autocmd_nested; | |
| 9124 save_changed = curbuf->b_changed; | |
| 9125 old_curbuf = curbuf; | |
| 9126 | |
| 9127 /* | |
| 9128 * Set the file name to be used for <afile>. | |
| 1471 | 9129 * Make a copy to avoid that changing a buffer name or directory makes it |
| 9130 * invalid. | |
| 7 | 9131 */ |
| 9132 if (fname_io == NULL) | |
| 9133 { | |
| 9134 if (fname != NULL && *fname != NUL) | |
| 9135 autocmd_fname = fname; | |
| 9136 else if (buf != NULL) | |
| 1723 | 9137 autocmd_fname = buf->b_ffname; |
| 7 | 9138 else |
| 9139 autocmd_fname = NULL; | |
| 9140 } | |
| 9141 else | |
| 9142 autocmd_fname = fname_io; | |
| 1471 | 9143 if (autocmd_fname != NULL) |
| 1723 | 9144 autocmd_fname = vim_strsave(autocmd_fname); |
| 9145 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 9146 |
| 9147 /* | |
| 9148 * Set the buffer number to be used for <abuf>. | |
| 9149 */ | |
| 9150 if (buf == NULL) | |
| 9151 autocmd_bufnr = 0; | |
| 9152 else | |
| 9153 autocmd_bufnr = buf->b_fnum; | |
| 9154 | |
| 9155 /* | |
| 9156 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 9157 * Always use the full path of the file name to match with, in case | |
| 9158 * "allow_dirs" is set. | |
| 9159 */ | |
| 9160 if (fname == NULL || *fname == NUL) | |
| 9161 { | |
| 9162 if (buf == NULL) | |
| 9163 fname = NULL; | |
| 9164 else | |
| 9165 { | |
| 9166 #ifdef FEAT_SYN_HL | |
| 9167 if (event == EVENT_SYNTAX) | |
| 9168 fname = buf->b_p_syn; | |
| 9169 else | |
| 9170 #endif | |
| 9171 if (event == EVENT_FILETYPE) | |
| 9172 fname = buf->b_p_ft; | |
| 9173 else | |
| 9174 { | |
| 9175 if (buf->b_sfname != NULL) | |
| 9176 sfname = vim_strsave(buf->b_sfname); | |
| 9177 fname = buf->b_ffname; | |
| 9178 } | |
| 9179 } | |
| 9180 if (fname == NULL) | |
| 9181 fname = (char_u *)""; | |
| 9182 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 9183 } | |
| 9184 else | |
| 9185 { | |
| 9186 sfname = vim_strsave(fname); | |
| 1867 | 9187 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 9188 * QuickFixCmd* */ | |
| 161 | 9189 if (event == EVENT_FILETYPE |
| 9190 || event == EVENT_SYNTAX | |
| 1867 | 9191 || event == EVENT_FUNCUNDEFINED |
| 161 | 9192 || event == EVENT_REMOTEREPLY |
| 649 | 9193 || event == EVENT_SPELLFILEMISSING |
| 161 | 9194 || event == EVENT_QUICKFIXCMDPRE |
| 9195 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 9196 fname = vim_strsave(fname); |
| 9197 else | |
| 9198 fname = FullName_save(fname, FALSE); | |
| 9199 } | |
| 9200 if (fname == NULL) /* out of memory */ | |
| 9201 { | |
| 9202 vim_free(sfname); | |
| 40 | 9203 retval = FALSE; |
| 9204 goto BYPASS_AU; | |
| 7 | 9205 } |
| 9206 | |
| 9207 #ifdef BACKSLASH_IN_FILENAME | |
| 9208 /* | |
| 9209 * Replace all backslashes with forward slashes. This makes the | |
| 9210 * autocommand patterns portable between Unix and MS-DOS. | |
| 9211 */ | |
| 9212 if (sfname != NULL) | |
| 9213 forward_slash(sfname); | |
| 9214 forward_slash(fname); | |
| 9215 #endif | |
| 9216 | |
| 9217 #ifdef VMS | |
| 9218 /* remove version for correct match */ | |
| 9219 if (sfname != NULL) | |
| 9220 vms_remove_version(sfname); | |
| 9221 vms_remove_version(fname); | |
| 9222 #endif | |
| 9223 | |
| 9224 /* | |
| 9225 * Set the name to be used for <amatch>. | |
| 9226 */ | |
| 9227 autocmd_match = fname; | |
| 9228 | |
| 9229 | |
| 9230 /* Don't redraw while doing auto commands. */ | |
| 9231 ++RedrawingDisabled; | |
| 9232 save_sourcing_name = sourcing_name; | |
| 9233 sourcing_name = NULL; /* don't free this one */ | |
| 9234 save_sourcing_lnum = sourcing_lnum; | |
| 9235 sourcing_lnum = 0; /* no line number here */ | |
| 9236 | |
| 9237 #ifdef FEAT_EVAL | |
| 9238 save_current_SID = current_SID; | |
| 9239 | |
| 170 | 9240 # ifdef FEAT_PROFILE |
| 788 | 9241 if (do_profiling == PROF_YES) |
| 170 | 9242 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9243 # endif | |
| 9244 | |
| 7 | 9245 /* Don't use local function variables, if called from a function */ |
| 9246 save_funccalp = save_funccal(); | |
| 9247 #endif | |
| 9248 | |
| 9249 /* | |
| 9250 * When starting to execute autocommands, save the search patterns. | |
| 9251 */ | |
| 9252 if (!autocmd_busy) | |
| 9253 { | |
| 9254 save_search_patterns(); | |
| 9255 saveRedobuff(); | |
| 9256 did_filetype = keep_filetype; | |
| 9257 } | |
| 9258 | |
| 9259 /* | |
| 9260 * Note that we are applying autocmds. Some commands need to know. | |
| 9261 */ | |
| 9262 autocmd_busy = TRUE; | |
| 9263 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9264 ++nesting; /* see matching decrement below */ | |
| 9265 | |
| 9266 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9267 if (event == EVENT_FILETYPE) | |
| 9268 did_filetype = TRUE; | |
| 9269 | |
| 9270 tail = gettail(fname); | |
| 9271 | |
| 9272 /* Find first autocommand that matches */ | |
| 9273 patcmd.curpat = first_autopat[(int)event]; | |
| 9274 patcmd.nextcmd = NULL; | |
| 9275 patcmd.group = group; | |
| 9276 patcmd.fname = fname; | |
| 9277 patcmd.sfname = sfname; | |
| 9278 patcmd.tail = tail; | |
| 9279 patcmd.event = event; | |
| 40 | 9280 patcmd.arg_bufnr = autocmd_bufnr; |
| 9281 patcmd.next = NULL; | |
| 7 | 9282 auto_next_pat(&patcmd, FALSE); |
| 9283 | |
| 9284 /* found one, start executing the autocommands */ | |
| 9285 if (patcmd.curpat != NULL) | |
| 9286 { | |
| 40 | 9287 /* add to active_apc_list */ |
| 9288 patcmd.next = active_apc_list; | |
| 9289 active_apc_list = &patcmd; | |
| 9290 | |
| 7 | 9291 #ifdef FEAT_EVAL |
| 9292 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9293 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9294 if (eap != NULL) | |
| 9295 { | |
| 9296 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9297 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9298 } | |
| 9299 else | |
| 9300 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9301 #endif | |
| 9302 retval = TRUE; | |
| 9303 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9304 * are added when executing autocommands */ | |
| 9305 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9306 ap->last = FALSE; | |
| 9307 ap->last = TRUE; | |
| 9308 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9309 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9310 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9311 #ifdef FEAT_EVAL | |
| 9312 if (eap != NULL) | |
| 9313 { | |
| 9314 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9315 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9316 } | |
| 9317 #endif | |
| 40 | 9318 /* delete from active_apc_list */ |
| 9319 if (active_apc_list == &patcmd) /* just in case */ | |
| 9320 active_apc_list = patcmd.next; | |
| 7 | 9321 } |
| 9322 | |
| 9323 --RedrawingDisabled; | |
| 9324 autocmd_busy = save_autocmd_busy; | |
| 9325 filechangeshell_busy = FALSE; | |
| 9326 autocmd_nested = save_autocmd_nested; | |
| 9327 vim_free(sourcing_name); | |
| 9328 sourcing_name = save_sourcing_name; | |
| 9329 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9330 vim_free(autocmd_fname); |
| 7 | 9331 autocmd_fname = save_autocmd_fname; |
| 1723 | 9332 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9333 autocmd_bufnr = save_autocmd_bufnr; |
| 9334 autocmd_match = save_autocmd_match; | |
| 9335 #ifdef FEAT_EVAL | |
| 9336 current_SID = save_current_SID; | |
| 9337 restore_funccal(save_funccalp); | |
| 170 | 9338 # ifdef FEAT_PROFILE |
| 788 | 9339 if (do_profiling == PROF_YES) |
| 170 | 9340 prof_child_exit(&wait_time); |
| 9341 # endif | |
| 7 | 9342 #endif |
| 9343 vim_free(fname); | |
| 9344 vim_free(sfname); | |
| 9345 --nesting; /* see matching increment above */ | |
| 9346 | |
| 9347 /* | |
| 9348 * When stopping to execute autocommands, restore the search patterns and | |
| 9349 * the redo buffer. | |
| 9350 */ | |
| 9351 if (!autocmd_busy) | |
| 9352 { | |
| 9353 restore_search_patterns(); | |
| 9354 restoreRedobuff(); | |
| 9355 did_filetype = FALSE; | |
| 9356 } | |
| 9357 | |
| 9358 /* | |
| 9359 * Some events don't set or reset the Changed flag. | |
| 9360 * Check if still in the same buffer! | |
| 9361 */ | |
| 9362 if (curbuf == old_curbuf | |
| 9363 && (event == EVENT_BUFREADPOST | |
| 9364 || event == EVENT_BUFWRITEPOST | |
| 9365 || event == EVENT_FILEAPPENDPOST | |
| 9366 || event == EVENT_VIMLEAVE | |
| 9367 || event == EVENT_VIMLEAVEPRE)) | |
| 9368 { | |
| 9369 #ifdef FEAT_TITLE | |
| 9370 if (curbuf->b_changed != save_changed) | |
| 9371 need_maketitle = TRUE; | |
| 9372 #endif | |
| 9373 curbuf->b_changed = save_changed; | |
| 9374 } | |
| 9375 | |
| 9376 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9377 |
| 9378 BYPASS_AU: | |
| 9379 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9380 * are deleted. */ | |
| 9381 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9382 aubuflocal_remove(buf); | |
| 9383 | |
| 7 | 9384 return retval; |
| 9385 } | |
| 9386 | |
| 1410 | 9387 # ifdef FEAT_EVAL |
| 9388 static char_u *old_termresponse = NULL; | |
| 9389 # endif | |
| 9390 | |
| 9391 /* | |
| 9392 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9393 * Can be used recursively, so long as it's symmetric. | |
| 9394 */ | |
| 9395 void | |
| 9396 block_autocmds() | |
| 9397 { | |
| 9398 # ifdef FEAT_EVAL | |
| 9399 /* Remember the value of v:termresponse. */ | |
| 9400 if (autocmd_blocked == 0) | |
| 9401 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9402 # endif | |
| 9403 ++autocmd_blocked; | |
| 9404 } | |
| 9405 | |
| 9406 void | |
| 9407 unblock_autocmds() | |
| 9408 { | |
| 9409 --autocmd_blocked; | |
| 9410 | |
| 9411 # ifdef FEAT_EVAL | |
| 9412 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9413 * the autocommands now. Esp. useful when executing a shell command | |
| 9414 * during startup (vimdiff). */ | |
| 9415 if (autocmd_blocked == 0 | |
| 9416 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9417 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9418 # endif | |
| 9419 } | |
| 9420 | |
| 7 | 9421 /* |
| 9422 * Find next autocommand pattern that matches. | |
| 9423 */ | |
| 9424 static void | |
| 9425 auto_next_pat(apc, stop_at_last) | |
| 9426 AutoPatCmd *apc; | |
| 9427 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9428 { | |
| 9429 AutoPat *ap; | |
| 9430 AutoCmd *cp; | |
| 9431 char_u *name; | |
| 9432 char *s; | |
| 9433 | |
| 9434 vim_free(sourcing_name); | |
| 9435 sourcing_name = NULL; | |
| 9436 | |
| 9437 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9438 { | |
| 9439 apc->curpat = NULL; | |
| 9440 | |
| 1723 | 9441 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9442 * the group matches. For buffer-local autocommands only check the |
| 9443 * buffer number. */ | |
| 7 | 9444 if (ap->pat != NULL && ap->cmds != NULL |
| 9445 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9446 { | |
| 40 | 9447 /* execution-condition */ |
| 9448 if (ap->buflocal_nr == 0 | |
| 153 | 9449 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9450 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9451 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9452 { |
| 9453 name = event_nr2name(apc->event); | |
| 9454 s = _("%s Auto commands for \"%s\""); | |
| 9455 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9456 + STRLEN(name) + ap->patlen + 1)); | |
| 9457 if (sourcing_name != NULL) | |
| 9458 { | |
| 9459 sprintf((char *)sourcing_name, s, | |
| 9460 (char *)name, (char *)ap->pat); | |
| 9461 if (p_verbose >= 8) | |
| 292 | 9462 { |
| 9463 verbose_enter(); | |
| 273 | 9464 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9465 verbose_leave(); |
| 9466 } | |
| 7 | 9467 } |
| 9468 | |
| 9469 apc->curpat = ap; | |
| 9470 apc->nextcmd = ap->cmds; | |
| 9471 /* mark last command */ | |
| 9472 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9473 cp->last = FALSE; | |
| 9474 cp->last = TRUE; | |
| 9475 } | |
| 9476 line_breakcheck(); | |
| 9477 if (apc->curpat != NULL) /* found a match */ | |
| 9478 break; | |
| 9479 } | |
| 9480 if (stop_at_last && ap->last) | |
| 9481 break; | |
| 9482 } | |
| 9483 } | |
| 9484 | |
| 9485 /* | |
| 9486 * Get next autocommand command. | |
| 9487 * Called by do_cmdline() to get the next line for ":if". | |
| 9488 * Returns allocated string, or NULL for end of autocommands. | |
| 9489 */ | |
| 9490 static char_u * | |
| 9491 getnextac(c, cookie, indent) | |
| 1880 | 9492 int c UNUSED; |
| 7 | 9493 void *cookie; |
| 1880 | 9494 int indent UNUSED; |
| 7 | 9495 { |
| 9496 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9497 char_u *retval; | |
| 9498 AutoCmd *ac; | |
| 9499 | |
| 9500 /* Can be called again after returning the last line. */ | |
| 9501 if (acp->curpat == NULL) | |
| 9502 return NULL; | |
| 9503 | |
| 9504 /* repeat until we find an autocommand to execute */ | |
| 9505 for (;;) | |
| 9506 { | |
| 9507 /* skip removed commands */ | |
| 9508 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9509 if (acp->nextcmd->last) | |
| 9510 acp->nextcmd = NULL; | |
| 9511 else | |
| 9512 acp->nextcmd = acp->nextcmd->next; | |
| 9513 | |
| 9514 if (acp->nextcmd != NULL) | |
| 9515 break; | |
| 9516 | |
| 9517 /* at end of commands, find next pattern that matches */ | |
| 9518 if (acp->curpat->last) | |
| 9519 acp->curpat = NULL; | |
| 9520 else | |
| 9521 acp->curpat = acp->curpat->next; | |
| 9522 if (acp->curpat != NULL) | |
| 9523 auto_next_pat(acp, TRUE); | |
| 9524 if (acp->curpat == NULL) | |
| 9525 return NULL; | |
| 9526 } | |
| 9527 | |
| 9528 ac = acp->nextcmd; | |
| 9529 | |
| 9530 if (p_verbose >= 9) | |
| 9531 { | |
| 292 | 9532 verbose_enter_scroll(); |
| 273 | 9533 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9534 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9535 verbose_leave_scroll(); |
| 7 | 9536 } |
| 9537 retval = vim_strsave(ac->cmd); | |
| 9538 autocmd_nested = ac->nested; | |
| 9539 #ifdef FEAT_EVAL | |
| 9540 current_SID = ac->scriptID; | |
| 9541 #endif | |
| 9542 if (ac->last) | |
| 9543 acp->nextcmd = NULL; | |
| 9544 else | |
| 9545 acp->nextcmd = ac->next; | |
| 9546 return retval; | |
| 9547 } | |
| 9548 | |
| 9549 /* | |
| 9550 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9551 * To account for buffer-local autocommands, function needs to know |
| 9552 * in which buffer the file will be opened. | |
| 7 | 9553 */ |
| 9554 int | |
| 40 | 9555 has_autocmd(event, sfname, buf) |
| 661 | 9556 event_T event; |
| 7 | 9557 char_u *sfname; |
| 40 | 9558 buf_T *buf; |
| 7 | 9559 { |
| 9560 AutoPat *ap; | |
| 9561 char_u *fname; | |
| 9562 char_u *tail = gettail(sfname); | |
| 9563 int retval = FALSE; | |
| 9564 | |
| 9565 fname = FullName_save(sfname, FALSE); | |
| 9566 if (fname == NULL) | |
| 9567 return FALSE; | |
| 9568 | |
| 9569 #ifdef BACKSLASH_IN_FILENAME | |
| 9570 /* | |
| 9571 * Replace all backslashes with forward slashes. This makes the | |
| 9572 * autocommand patterns portable between Unix and MS-DOS. | |
| 9573 */ | |
| 9574 sfname = vim_strsave(sfname); | |
| 9575 if (sfname != NULL) | |
| 9576 forward_slash(sfname); | |
| 9577 forward_slash(fname); | |
| 9578 #endif | |
| 9579 | |
| 9580 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9581 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9582 && (ap->buflocal_nr == 0 |
| 153 | 9583 ? match_file_pat(NULL, ap->reg_prog, |
| 9584 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9585 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9586 )) |
| 7 | 9587 { |
| 9588 retval = TRUE; | |
| 9589 break; | |
| 9590 } | |
| 9591 | |
| 9592 vim_free(fname); | |
| 9593 #ifdef BACKSLASH_IN_FILENAME | |
| 9594 vim_free(sfname); | |
| 9595 #endif | |
| 9596 | |
| 9597 return retval; | |
| 9598 } | |
| 9599 | |
| 9600 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9601 /* | |
| 9602 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9603 * names. | |
| 9604 */ | |
| 9605 char_u * | |
| 9606 get_augroup_name(xp, idx) | |
| 1880 | 9607 expand_T *xp UNUSED; |
| 7 | 9608 int idx; |
| 9609 { | |
| 9610 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9611 return (char_u *)"END"; | |
| 9612 if (idx >= augroups.ga_len) /* end of list */ | |
| 9613 return NULL; | |
| 9614 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9615 return (char_u *)""; | |
| 9616 return AUGROUP_NAME(idx); /* return a name */ | |
| 9617 } | |
| 9618 | |
| 9619 static int include_groups = FALSE; | |
| 9620 | |
| 9621 char_u * | |
| 9622 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9623 expand_T *xp; | |
| 9624 char_u *arg; | |
| 1733 | 9625 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9626 { |
| 9627 char_u *p; | |
| 9628 int group; | |
| 9629 | |
| 9630 /* check for a group name, skip it if present */ | |
| 9631 include_groups = FALSE; | |
| 9632 p = arg; | |
| 9633 group = au_get_grouparg(&arg); | |
| 9634 if (group == AUGROUP_ERROR) | |
| 9635 return NULL; | |
| 9636 /* If there only is a group name that's what we expand. */ | |
| 9637 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9638 { | |
| 9639 arg = p; | |
| 9640 group = AUGROUP_ALL; | |
| 9641 } | |
| 9642 | |
| 9643 /* skip over event name */ | |
| 9644 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9645 if (*p == ',') | |
| 9646 arg = p + 1; | |
| 9647 if (*p == NUL) | |
| 9648 { | |
| 9649 if (group == AUGROUP_ALL) | |
| 9650 include_groups = TRUE; | |
| 9651 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9652 xp->xp_pattern = arg; | |
| 9653 return NULL; | |
| 9654 } | |
| 9655 | |
| 9656 /* skip over pattern */ | |
| 9657 arg = skipwhite(p); | |
| 9658 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9659 arg++; | |
| 9660 if (*arg) | |
| 9661 return arg; /* expand (next) command */ | |
| 9662 | |
| 9663 if (doautocmd) | |
| 9664 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9665 else | |
| 9666 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9667 return NULL; | |
| 9668 } | |
| 9669 | |
| 9670 /* | |
| 9671 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9672 */ | |
| 9673 char_u * | |
| 9674 get_event_name(xp, idx) | |
| 1880 | 9675 expand_T *xp UNUSED; |
| 7 | 9676 int idx; |
| 9677 { | |
| 9678 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9679 { | |
| 9680 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9681 return (char_u *)""; /* skip deleted entries */ | |
| 9682 return AUGROUP_NAME(idx); /* return a name */ | |
| 9683 } | |
| 9684 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9685 } | |
| 9686 | |
| 9687 #endif /* FEAT_CMDL_COMPL */ | |
| 9688 | |
| 9689 /* | |
| 615 | 9690 * Return TRUE if autocmd is supported. |
| 9691 */ | |
| 9692 int | |
| 9693 autocmd_supported(name) | |
| 9694 char_u *name; | |
| 9695 { | |
| 9696 char_u *p; | |
| 9697 | |
| 9698 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9699 } | |
| 9700 | |
| 9701 /* | |
| 612 | 9702 * Return TRUE if an autocommand is defined for a group, event and |
| 9703 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9704 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9705 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9706 * Used for: | |
| 9707 * exists("#Group") or | |
| 9708 * exists("#Group#Event") or | |
| 9709 * exists("#Group#Event#pat") or | |
| 9710 * exists("#Event") or | |
| 9711 * exists("#Event#pat") | |
| 7 | 9712 */ |
| 9713 int | |
| 612 | 9714 au_exists(arg) |
| 9715 char_u *arg; | |
| 7 | 9716 { |
| 612 | 9717 char_u *arg_save; |
| 9718 char_u *pattern = NULL; | |
| 7 | 9719 char_u *event_name; |
| 9720 char_u *p; | |
| 661 | 9721 event_T event; |
| 7 | 9722 AutoPat *ap; |
| 40 | 9723 buf_T *buflocal_buf = NULL; |
| 612 | 9724 int group; |
| 9725 int retval = FALSE; | |
| 9726 | |
| 615 | 9727 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9728 arg_save = vim_strsave(arg); |
| 9729 if (arg_save == NULL) | |
| 9730 return FALSE; | |
| 615 | 9731 p = vim_strchr(arg_save, '#'); |
| 612 | 9732 if (p != NULL) |
| 9733 *p++ = NUL; | |
| 9734 | |
| 9735 /* First, look for an autocmd group name */ | |
| 9736 group = au_find_group(arg_save); | |
| 9737 if (group == AUGROUP_ERROR) | |
| 9738 { | |
| 9739 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9740 group = AUGROUP_ALL; | |
| 9741 event_name = arg_save; | |
| 9742 } | |
| 9743 else | |
| 9744 { | |
| 9745 if (p == NULL) | |
| 9746 { | |
| 9747 /* "Group": group name is present and it's recognized */ | |
| 9748 retval = TRUE; | |
| 9749 goto theend; | |
| 9750 } | |
| 9751 | |
| 9752 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9753 event_name = p; | |
| 9754 p = vim_strchr(event_name, '#'); | |
| 9755 if (p != NULL) | |
| 9756 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9757 } | |
| 9758 | |
| 9759 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9760 |
| 9761 /* find the index (enum) for the event name */ | |
| 9762 event = event_name2nr(event_name, &p); | |
| 9763 | |
| 9764 /* return FALSE if the event name is not recognized */ | |
| 612 | 9765 if (event == NUM_EVENTS) |
| 9766 goto theend; | |
| 7 | 9767 |
| 9768 /* Find the first autocommand for this event. | |
| 9769 * If there isn't any, return FALSE; | |
| 9770 * If there is one and no pattern given, return TRUE; */ | |
| 9771 ap = first_autopat[(int)event]; | |
| 9772 if (ap == NULL) | |
| 612 | 9773 goto theend; |
| 7 | 9774 |
| 40 | 9775 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9776 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9777 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9778 buflocal_buf = curbuf; |
| 9779 | |
| 7 | 9780 /* Check if there is an autocommand with the given pattern. */ |
| 9781 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9782 /* only use a pattern when it has not been removed and has commands. */ |
| 9783 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9784 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9785 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9786 && (pattern == NULL |
| 9787 || (buflocal_buf == NULL | |
| 9788 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9789 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9790 { |
| 9791 retval = TRUE; | |
| 9792 break; | |
| 9793 } | |
| 9794 | |
| 9795 theend: | |
| 9796 vim_free(arg_save); | |
| 9797 return retval; | |
| 7 | 9798 } |
| 40 | 9799 |
| 934 | 9800 #else /* FEAT_AUTOCMD */ |
| 9801 | |
| 9802 /* | |
| 9803 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9804 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9805 * "curbuf" and "curwin" to match "buf". | |
| 9806 */ | |
| 9807 void | |
| 9808 aucmd_prepbuf(aco, buf) | |
| 9809 aco_save_T *aco; /* structure to save values in */ | |
| 9810 buf_T *buf; /* new curbuf */ | |
| 9811 { | |
| 1906 | 9812 aco->save_curbuf = curbuf; |
| 9813 --curbuf->b_nwindows; | |
| 934 | 9814 curbuf = buf; |
| 9815 curwin->w_buffer = buf; | |
| 1906 | 9816 ++curbuf->b_nwindows; |
| 934 | 9817 } |
| 9818 | |
| 9819 /* | |
| 9820 * Restore after executing commands for a (hidden) buffer. | |
| 9821 * This is the non-autocommand version. | |
| 9822 */ | |
| 9823 void | |
| 9824 aucmd_restbuf(aco) | |
| 9825 aco_save_T *aco; /* structure holding saved values */ | |
| 9826 { | |
| 1906 | 9827 --curbuf->b_nwindows; |
| 9828 curbuf = aco->save_curbuf; | |
| 934 | 9829 curwin->w_buffer = curbuf; |
| 1906 | 9830 ++curbuf->b_nwindows; |
| 934 | 9831 } |
| 9832 | |
| 7 | 9833 #endif /* FEAT_AUTOCMD */ |
| 9834 | |
| 934 | 9835 |
| 7 | 9836 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 9837 /* | |
| 153 | 9838 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 9839 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 9840 * vim_regcomp() often. | |
| 7 | 9841 * Used for autocommands and 'wildignore'. |
| 9842 * Returns TRUE if there is a match, FALSE otherwise. | |
| 9843 */ | |
| 9844 int | |
| 153 | 9845 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 9846 char_u *pattern; /* pattern to match with */ |
| 153 | 9847 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 9848 char_u *fname; /* full path of file name */ |
| 9849 char_u *sfname; /* short file name or NULL */ | |
| 9850 char_u *tail; /* tail of path */ | |
| 9851 int allow_dirs; /* allow matching with dir */ | |
| 9852 { | |
| 9853 regmatch_T regmatch; | |
| 9854 int result = FALSE; | |
| 9855 #ifdef FEAT_OSFILETYPE | |
| 9856 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 9857 char_u *type_start; | |
| 9858 char_u c; | |
| 9859 int match = FALSE; | |
| 9860 #endif | |
| 9861 | |
| 9862 #ifdef CASE_INSENSITIVE_FILENAME | |
| 9863 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
| 9864 #else | |
| 9865 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
| 9866 #endif | |
| 9867 #ifdef FEAT_OSFILETYPE | |
| 9868 if (*pattern == '<') | |
| 9869 { | |
| 9870 /* There is a filetype condition specified with this pattern. | |
| 9871 * Check the filetype matches first. If not, don't bother with the | |
| 9872 * pattern (set regprog to NULL). | |
| 9873 * Always use magic for the regexp. | |
| 9874 */ | |
| 9875 | |
| 9876 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 9877 { | |
| 9878 if ((c == ';' || c == '>') && match == FALSE) | |
| 9879 { | |
| 9880 *pattern = NUL; /* Terminate the string */ | |
| 9881 match = mch_check_filetype(fname, type_start); | |
| 9882 *pattern = c; /* Restore the terminator */ | |
| 9883 type_start = pattern + 1; | |
| 9884 } | |
| 9885 if (c == '>') | |
| 9886 break; | |
| 9887 } | |
| 9888 | |
| 9889 /* (c should never be NUL, but check anyway) */ | |
| 9890 if (match == FALSE || c == NUL) | |
| 9891 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 9892 else if (*pattern == NUL) | |
| 9893 { | |
| 9894 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 9895 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 9896 } | |
| 9897 else | |
| 9898 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 9899 } | |
| 9900 else | |
| 9901 #endif | |
| 153 | 9902 { |
| 9903 if (prog != NULL) | |
| 9904 regmatch.regprog = prog; | |
| 9905 else | |
| 9906 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 9907 } | |
| 7 | 9908 |
| 9909 /* | |
| 9910 * Try for a match with the pattern with: | |
| 9911 * 1. the full file name, when the pattern has a '/'. | |
| 9912 * 2. the short file name, when the pattern has a '/'. | |
| 9913 * 3. the tail of the file name, when the pattern has no '/'. | |
| 9914 */ | |
| 9915 if ( | |
| 9916 #ifdef FEAT_OSFILETYPE | |
| 9917 /* If the check is for a filetype only and we don't care | |
| 9918 * about the path then skip all the regexp stuff. | |
| 9919 */ | |
| 9920 no_pattern || | |
| 9921 #endif | |
| 9922 (regmatch.regprog != NULL | |
| 9923 && ((allow_dirs | |
| 9924 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 9925 || (sfname != NULL | |
| 9926 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 9927 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 9928 result = TRUE; | |
| 9929 | |
| 153 | 9930 if (prog == NULL) |
| 9931 vim_free(regmatch.regprog); | |
| 7 | 9932 return result; |
| 9933 } | |
| 9934 #endif | |
| 9935 | |
| 9936 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 9937 /* | |
| 9938 * Return TRUE if a file matches with a pattern in "list". | |
| 9939 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 9940 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 9941 */ | |
| 9942 int | |
| 9943 match_file_list(list, sfname, ffname) | |
| 9944 char_u *list; | |
| 9945 char_u *sfname; | |
| 9946 char_u *ffname; | |
| 9947 { | |
| 9948 char_u buf[100]; | |
| 9949 char_u *tail; | |
| 9950 char_u *regpat; | |
| 9951 char allow_dirs; | |
| 9952 int match; | |
| 9953 char_u *p; | |
| 9954 | |
| 9955 tail = gettail(sfname); | |
| 9956 | |
| 9957 /* try all patterns in 'wildignore' */ | |
| 9958 p = list; | |
| 9959 while (*p) | |
| 9960 { | |
| 9961 copy_option_part(&p, buf, 100, ","); | |
| 9962 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 9963 if (regpat == NULL) | |
| 9964 break; | |
| 153 | 9965 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 9966 tail, (int)allow_dirs); | |
| 7 | 9967 vim_free(regpat); |
| 9968 if (match) | |
| 9969 return TRUE; | |
| 9970 } | |
| 9971 return FALSE; | |
| 9972 } | |
| 9973 #endif | |
| 9974 | |
| 9975 /* | |
| 9976 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 9977 * a regular expression, and return the result in allocated memory. If there | |
| 9978 * is a directory path separator to be matched, then TRUE is put in | |
| 9979 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 9980 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 9981 * | |
| 9982 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 9983 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 9984 * | |
| 9985 * Returns NULL when out of memory. | |
| 9986 */ | |
| 9987 char_u * | |
| 9988 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 9989 char_u *pat; | |
| 9990 char_u *pat_end; /* first char after pattern or NULL */ | |
| 9991 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 9992 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 9993 { |
| 9994 int size; | |
| 9995 char_u *endp; | |
| 9996 char_u *reg_pat; | |
| 9997 char_u *p; | |
| 9998 int i; | |
| 9999 int nested = 0; | |
| 10000 int add_dollar = TRUE; | |
| 10001 #ifdef FEAT_OSFILETYPE | |
| 10002 int check_length = 0; | |
| 10003 #endif | |
| 10004 | |
| 10005 if (allow_dirs != NULL) | |
| 10006 *allow_dirs = FALSE; | |
| 10007 if (pat_end == NULL) | |
| 10008 pat_end = pat + STRLEN(pat); | |
| 10009 | |
| 10010 #ifdef FEAT_OSFILETYPE | |
| 10011 /* Find out how much of the string is the filetype check */ | |
| 10012 if (*pat == '<') | |
| 10013 { | |
| 10014 /* Count chars until the next '>' */ | |
| 10015 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 10016 ; | |
| 10017 if (p < pat_end) | |
| 10018 { | |
| 10019 /* Pattern is of the form <.*>.* */ | |
| 10020 check_length = p - pat + 1; | |
| 10021 if (p + 1 >= pat_end) | |
| 10022 { | |
| 10023 /* The 'pattern' is a filetype check ONLY */ | |
| 10024 reg_pat = (char_u *)alloc(check_length + 1); | |
| 10025 if (reg_pat != NULL) | |
| 10026 { | |
| 10027 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 10028 reg_pat[check_length] = NUL; | |
| 10029 } | |
| 10030 return reg_pat; | |
| 10031 } | |
| 10032 } | |
| 10033 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 10034 | |
| 10035 } | |
| 10036 pat += check_length; | |
| 10037 size = 2 + check_length; | |
| 10038 #else | |
| 10039 size = 2; /* '^' at start, '$' at end */ | |
| 10040 #endif | |
| 10041 | |
| 10042 for (p = pat; p < pat_end; p++) | |
| 10043 { | |
| 10044 switch (*p) | |
| 10045 { | |
| 10046 case '*': | |
| 10047 case '.': | |
| 10048 case ',': | |
| 10049 case '{': | |
| 10050 case '}': | |
| 10051 case '~': | |
| 10052 size += 2; /* extra backslash */ | |
| 10053 break; | |
| 10054 #ifdef BACKSLASH_IN_FILENAME | |
| 10055 case '\\': | |
| 10056 case '/': | |
| 10057 size += 4; /* could become "[\/]" */ | |
| 10058 break; | |
| 10059 #endif | |
| 10060 default: | |
| 10061 size++; | |
| 10062 # ifdef FEAT_MBYTE | |
| 474 | 10063 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10064 { |
| 10065 ++p; | |
| 10066 ++size; | |
| 10067 } | |
| 10068 # endif | |
| 10069 break; | |
| 10070 } | |
| 10071 } | |
| 10072 reg_pat = alloc(size + 1); | |
| 10073 if (reg_pat == NULL) | |
| 10074 return NULL; | |
| 10075 | |
| 10076 #ifdef FEAT_OSFILETYPE | |
| 10077 /* Copy the type check in to the start. */ | |
| 10078 if (check_length) | |
| 10079 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 10080 i = check_length; | |
| 10081 #else | |
| 10082 i = 0; | |
| 10083 #endif | |
| 10084 | |
| 10085 if (pat[0] == '*') | |
| 10086 while (pat[0] == '*' && pat < pat_end - 1) | |
| 10087 pat++; | |
| 10088 else | |
| 10089 reg_pat[i++] = '^'; | |
| 10090 endp = pat_end - 1; | |
| 10091 if (*endp == '*') | |
| 10092 { | |
| 10093 while (endp - pat > 0 && *endp == '*') | |
| 10094 endp--; | |
| 10095 add_dollar = FALSE; | |
| 10096 } | |
| 10097 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 10098 { | |
| 10099 switch (*p) | |
| 10100 { | |
| 10101 case '*': | |
| 10102 reg_pat[i++] = '.'; | |
| 10103 reg_pat[i++] = '*'; | |
| 444 | 10104 while (p[1] == '*') /* "**" matches like "*" */ |
| 10105 ++p; | |
| 7 | 10106 break; |
| 10107 case '.': | |
| 10108 #ifdef RISCOS | |
| 10109 if (allow_dirs != NULL) | |
| 10110 *allow_dirs = TRUE; | |
| 10111 /* FALLTHROUGH */ | |
| 10112 #endif | |
| 10113 case '~': | |
| 10114 reg_pat[i++] = '\\'; | |
| 10115 reg_pat[i++] = *p; | |
| 10116 break; | |
| 10117 case '?': | |
| 10118 #ifdef RISCOS | |
| 10119 case '#': | |
| 10120 #endif | |
| 10121 reg_pat[i++] = '.'; | |
| 10122 break; | |
| 10123 case '\\': | |
| 10124 if (p[1] == NUL) | |
| 10125 break; | |
| 10126 #ifdef BACKSLASH_IN_FILENAME | |
| 10127 if (!no_bslash) | |
| 10128 { | |
| 10129 /* translate: | |
| 10130 * "\x" to "\\x" e.g., "dir\file" | |
| 10131 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 10132 * "\?" to "\\." e.g., "dir\??.c" | |
| 10133 * "\+" to "\+" e.g., "fileX\+.c" | |
| 10134 */ | |
| 10135 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 10136 && p[1] != '+') | |
| 10137 { | |
| 10138 reg_pat[i++] = '['; | |
| 10139 reg_pat[i++] = '\\'; | |
| 10140 reg_pat[i++] = '/'; | |
| 10141 reg_pat[i++] = ']'; | |
| 10142 if (allow_dirs != NULL) | |
| 10143 *allow_dirs = TRUE; | |
| 10144 break; | |
| 10145 } | |
| 10146 } | |
| 10147 #endif | |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10148 /* Undo escaping from ExpandEscape(): |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10149 * foo\?bar -> foo?bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10150 * foo\%bar -> foo%bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10151 * foo\,bar -> foo,bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10152 * foo\ bar -> foo bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10153 * Don't unescape \, * and others that are also special in a |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10154 * regexp. */ |
| 7 | 10155 if (*++p == '?' |
| 10156 #ifdef BACKSLASH_IN_FILENAME | |
| 10157 && no_bslash | |
| 10158 #endif | |
| 10159 ) | |
| 10160 reg_pat[i++] = '?'; | |
| 10161 else | |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10162 if (*p == ',' || *p == '%' || *p == '#' || *p == ' ') |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10163 reg_pat[i++] = *p; |
| 7 | 10164 else |
| 10165 { | |
| 10166 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 10167 #ifdef BACKSLASH_IN_FILENAME | |
| 10168 && (!no_bslash || *p != '\\') | |
| 10169 #endif | |
| 10170 ) | |
| 10171 *allow_dirs = TRUE; | |
| 10172 reg_pat[i++] = '\\'; | |
| 10173 reg_pat[i++] = *p; | |
| 10174 } | |
| 10175 break; | |
| 10176 #ifdef BACKSLASH_IN_FILENAME | |
| 10177 case '/': | |
| 10178 reg_pat[i++] = '['; | |
| 10179 reg_pat[i++] = '\\'; | |
| 10180 reg_pat[i++] = '/'; | |
| 10181 reg_pat[i++] = ']'; | |
| 10182 if (allow_dirs != NULL) | |
| 10183 *allow_dirs = TRUE; | |
| 10184 break; | |
| 10185 #endif | |
| 10186 case '{': | |
| 10187 reg_pat[i++] = '\\'; | |
| 10188 reg_pat[i++] = '('; | |
| 10189 nested++; | |
| 10190 break; | |
| 10191 case '}': | |
| 10192 reg_pat[i++] = '\\'; | |
| 10193 reg_pat[i++] = ')'; | |
| 10194 --nested; | |
| 10195 break; | |
| 10196 case ',': | |
| 10197 if (nested) | |
| 10198 { | |
| 10199 reg_pat[i++] = '\\'; | |
| 10200 reg_pat[i++] = '|'; | |
| 10201 } | |
| 10202 else | |
| 10203 reg_pat[i++] = ','; | |
| 10204 break; | |
| 10205 default: | |
| 10206 # ifdef FEAT_MBYTE | |
| 474 | 10207 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10208 reg_pat[i++] = *p++; |
| 10209 else | |
| 10210 # endif | |
| 10211 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 10212 *allow_dirs = TRUE; | |
| 10213 reg_pat[i++] = *p; | |
| 10214 break; | |
| 10215 } | |
| 10216 } | |
| 10217 if (add_dollar) | |
| 10218 reg_pat[i++] = '$'; | |
| 10219 reg_pat[i] = NUL; | |
| 10220 if (nested != 0) | |
| 10221 { | |
| 10222 if (nested < 0) | |
| 10223 EMSG(_("E219: Missing {.")); | |
| 10224 else | |
| 10225 EMSG(_("E220: Missing }.")); | |
| 10226 vim_free(reg_pat); | |
| 10227 reg_pat = NULL; | |
| 10228 } | |
| 10229 return reg_pat; | |
| 10230 } |