Mercurial > vim
annotate src/fileio.c @ 2793:ee48b3da9d53 v7.3.172
updated for version 7.3.172
Problem: MS-Windows: rename() might delete the file if the name differs but
it's actually the same file.
Solution: Use the file handle to check if it's the same file. (Yukihiro
Nakadaira)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Thu, 05 May 2011 16:41:24 +0200 |
| parents | 25672ad7f377 |
| children | 8bd38abda314 |
| 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 #include "vim.h" | |
| 15 | |
| 2014 | 16 #if defined(__TANDEM) || defined(__MINT__) |
| 7 | 17 # include <limits.h> /* for SSIZE_MAX */ |
| 18 #endif | |
| 19 | |
| 20 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 21 # include <utime.h> /* for struct utimbuf */ | |
| 22 #endif | |
| 23 | |
| 24 #define BUFSIZE 8192 /* size of normal write buffer */ | |
| 25 #define SMBUFSIZE 256 /* size of emergency write buffer */ | |
| 26 | |
| 27 #ifdef FEAT_CRYPT | |
|
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28 /* crypt_magic[0] is pkzip crypt, crypt_magic[1] is sha2+blowfish */ |
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29 static char *crypt_magic[] = {"VimCrypt~01!", "VimCrypt~02!"}; |
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A few more changes for encryption. Add test that encrypted file can be read.
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30 static char crypt_magic_head[] = "VimCrypt~"; |
| 7 | 31 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */ |
|
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Added salt to blowfish encryption.
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32 |
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33 /* For blowfish, after the magic header, we store 8 bytes of salt and then 8 |
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34 * bytes of seed (initialisation vector). */ |
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35 static int crypt_salt_len[] = {0, 8}; |
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36 static int crypt_seed_len[] = {0, 8}; |
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37 #define CRYPT_SALT_LEN_MAX 8 |
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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38 #define CRYPT_SEED_LEN_MAX 8 |
| 7 | 39 #endif |
| 40 | |
| 41 /* Is there any system that doesn't have access()? */ | |
| 574 | 42 #define USE_MCH_ACCESS |
| 7 | 43 |
| 1313 | 44 #if defined(sun) && defined(S_ISCHR) |
| 45 # define OPEN_CHR_FILES | |
| 46 static int is_dev_fd_file(char_u *fname); | |
| 47 #endif | |
| 7 | 48 #ifdef FEAT_MBYTE |
| 49 static char_u *next_fenc __ARGS((char_u **pp)); | |
| 50 # ifdef FEAT_EVAL | |
| 51 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp)); | |
| 52 # endif | |
| 53 #endif | |
| 54 #ifdef FEAT_VIMINFO | |
| 55 static void check_marks_read __ARGS((void)); | |
| 56 #endif | |
| 57 #ifdef FEAT_CRYPT | |
|
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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58 static int crypt_method_from_magic __ARGS((char *ptr, int len)); |
| 2267 | 59 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, off_t *filesizep, int newfile, char_u *fname, int *did_ask)); |
| 7 | 60 #endif |
| 61 #ifdef UNIX | |
| 62 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime)); | |
| 63 #endif | |
| 633 | 64 static int set_rw_fname __ARGS((char_u *fname, char_u *sfname)); |
| 7 | 65 static int msg_add_fileformat __ARGS((int eol_type)); |
| 66 static void msg_add_eol __ARGS((void)); | |
| 67 static int check_mtime __ARGS((buf_T *buf, struct stat *s)); | |
| 68 static int time_differs __ARGS((long t1, long t2)); | |
| 69 #ifdef FEAT_AUTOCMD | |
| 661 | 70 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 | 71 static int au_find_group __ARGS((char_u *name)); |
| 72 | |
| 73 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
| 1834 | 74 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
| 676 | 75 # define AUGROUP_ALL -3 /* all autocmd groups */ |
| 7 | 76 #endif |
| 77 | |
| 78 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
| 79 # define HAS_BW_FLAGS | |
| 80 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
| 81 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
| 82 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
| 83 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
| 84 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
| 85 # ifdef WIN3264 | |
| 86 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
| 87 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
| 88 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
| 89 # endif | |
| 90 # ifdef MACOS_X | |
| 91 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
| 92 # endif | |
| 93 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
| 94 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
| 95 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
| 96 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
| 97 # define FIO_ALL -1 /* allow all formats */ | |
| 98 #endif | |
| 99 | |
| 100 /* When converting, a read() or write() may leave some bytes to be converted | |
| 101 * for the next call. The value is guessed... */ | |
| 102 #define CONV_RESTLEN 30 | |
| 103 | |
| 104 /* We have to guess how much a sequence of bytes may expand when converting | |
| 105 * with iconv() to be able to allocate a buffer. */ | |
| 106 #define ICONV_MULT 8 | |
| 107 | |
| 108 /* | |
| 109 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
| 110 */ | |
| 111 struct bw_info | |
| 112 { | |
| 113 int bw_fd; /* file descriptor */ | |
| 114 char_u *bw_buf; /* buffer with data to be written */ | |
| 1411 | 115 int bw_len; /* length of data */ |
| 7 | 116 #ifdef HAS_BW_FLAGS |
| 117 int bw_flags; /* FIO_ flags */ | |
| 118 #endif | |
| 119 #ifdef FEAT_MBYTE | |
| 120 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
| 121 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
| 122 int bw_first; /* first write call */ | |
| 123 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
| 124 int bw_conv_buflen; /* size of bw_conv_buf */ | |
| 125 int bw_conv_error; /* set for conversion error */ | |
| 1947 | 126 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
| 127 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
| 7 | 128 # ifdef USE_ICONV |
| 129 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
| 130 # endif | |
| 131 #endif | |
| 132 }; | |
| 133 | |
| 134 static int buf_write_bytes __ARGS((struct bw_info *ip)); | |
| 135 | |
| 136 #ifdef FEAT_MBYTE | |
| 595 | 137 static linenr_T readfile_linenr __ARGS((linenr_T linecnt, char_u *p, char_u *endp)); |
| 7 | 138 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags)); |
| 1948 | 139 static int need_conversion __ARGS((char_u *fenc)); |
| 7 | 140 static int get_fio_flags __ARGS((char_u *ptr)); |
| 141 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags)); | |
| 142 static int make_bom __ARGS((char_u *buf, char_u *name)); | |
| 143 # ifdef WIN3264 | |
| 144 static int get_win_fio_flags __ARGS((char_u *ptr)); | |
| 145 # endif | |
| 146 # ifdef MACOS_X | |
| 147 static int get_mac_fio_flags __ARGS((char_u *ptr)); | |
| 148 # endif | |
| 149 #endif | |
| 150 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf)); | |
| 2006 | 151 #ifdef TEMPDIRNAMES |
| 1997 | 152 static void vim_settempdir __ARGS((char_u *tempdir)); |
| 2006 | 153 #endif |
| 1834 | 154 #ifdef FEAT_AUTOCMD |
| 155 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
| 156 #endif | |
| 595 | 157 |
| 7 | 158 void |
| 159 filemess(buf, name, s, attr) | |
| 160 buf_T *buf; | |
| 161 char_u *name; | |
| 162 char_u *s; | |
| 163 int attr; | |
| 164 { | |
| 165 int msg_scroll_save; | |
| 166 | |
| 167 if (msg_silent != 0) | |
| 168 return; | |
| 169 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
| 170 /* If it's extremely long, truncate it. */ | |
| 171 if (STRLEN(IObuff) > IOSIZE - 80) | |
| 172 IObuff[IOSIZE - 80] = NUL; | |
| 173 STRCAT(IObuff, s); | |
| 174 /* | |
| 175 * For the first message may have to start a new line. | |
| 176 * For further ones overwrite the previous one, reset msg_scroll before | |
| 177 * calling filemess(). | |
| 178 */ | |
| 179 msg_scroll_save = msg_scroll; | |
| 180 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
| 181 msg_scroll = FALSE; | |
| 182 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
| 183 check_for_delay(FALSE); | |
| 184 msg_start(); | |
| 185 msg_scroll = msg_scroll_save; | |
| 186 msg_scrolled_ign = TRUE; | |
| 187 /* may truncate the message to avoid a hit-return prompt */ | |
| 188 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
| 189 msg_clr_eos(); | |
| 190 out_flush(); | |
| 191 msg_scrolled_ign = FALSE; | |
| 192 } | |
| 193 | |
| 194 /* | |
| 195 * Read lines from file "fname" into the buffer after line "from". | |
| 196 * | |
| 197 * 1. We allocate blocks with lalloc, as big as possible. | |
| 198 * 2. Each block is filled with characters from the file with a single read(). | |
| 199 * 3. The lines are inserted in the buffer with ml_append(). | |
| 200 * | |
| 201 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
| 202 * | |
| 203 * "lines_to_skip" is the number of lines that must be skipped | |
| 204 * "lines_to_read" is the number of lines that are appended | |
| 205 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
| 206 * | |
| 207 * flags: | |
| 208 * READ_NEW starting to edit a new buffer | |
| 209 * READ_FILTER reading filter output | |
| 210 * READ_STDIN read from stdin instead of a file | |
| 211 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
| 212 * stdin) | |
| 213 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
|
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Add the 'undoreload' option to be able to undo a file reload.
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214 * READ_KEEP_UNDO don't clear undo info or read it from a file |
| 7 | 215 * |
| 216 * return FAIL for failure, OK otherwise | |
| 217 */ | |
| 218 int | |
| 219 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags) | |
| 220 char_u *fname; | |
| 221 char_u *sfname; | |
| 222 linenr_T from; | |
| 223 linenr_T lines_to_skip; | |
| 224 linenr_T lines_to_read; | |
| 225 exarg_T *eap; /* can be NULL! */ | |
| 226 int flags; | |
| 227 { | |
| 228 int fd = 0; | |
| 229 int newfile = (flags & READ_NEW); | |
| 230 int check_readonly; | |
| 231 int filtering = (flags & READ_FILTER); | |
| 232 int read_stdin = (flags & READ_STDIN); | |
| 233 int read_buffer = (flags & READ_BUFFER); | |
| 1486 | 234 int set_options = newfile || read_buffer |
| 235 || (eap != NULL && eap->read_edit); | |
| 7 | 236 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
| 237 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
| 238 char_u c; | |
| 239 linenr_T lnum = from; | |
| 240 char_u *ptr = NULL; /* pointer into read buffer */ | |
| 241 char_u *buffer = NULL; /* read buffer */ | |
| 242 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
| 243 char_u *line_start = NULL; /* init to shut up gcc */ | |
| 244 int wasempty; /* buffer was empty before reading */ | |
| 245 colnr_T len; | |
| 246 long size = 0; | |
| 247 char_u *p; | |
|
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Correct use of long instead of off_t for file size. (James Vega)
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248 off_t filesize = 0; |
| 7 | 249 int skip_read = FALSE; |
| 250 #ifdef FEAT_CRYPT | |
| 251 char_u *cryptkey = NULL; | |
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252 int did_ask_for_key = FALSE; |
| 2717 | 253 int crypt_method_used; |
| 7 | 254 #endif |
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255 #ifdef FEAT_PERSISTENT_UNDO |
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256 context_sha256_T sha_ctx; |
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257 int read_undo_file = FALSE; |
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258 #endif |
| 7 | 259 int split = 0; /* number of split lines */ |
| 260 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
| 261 linenr_T linecnt; | |
| 262 int error = FALSE; /* errors encountered */ | |
| 263 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
| 264 long linerest = 0; /* remaining chars in line */ | |
| 265 #ifdef UNIX | |
| 266 int perm = 0; | |
| 267 int swap_mode = -1; /* protection bits for swap file */ | |
| 268 #else | |
| 269 int perm; | |
| 270 #endif | |
| 271 int fileformat = 0; /* end-of-line format */ | |
| 272 int keep_fileformat = FALSE; | |
| 273 struct stat st; | |
| 274 int file_readonly; | |
| 275 linenr_T skip_count = 0; | |
| 276 linenr_T read_count = 0; | |
| 277 int msg_save = msg_scroll; | |
| 278 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
| 279 * last read was missing the eol */ | |
| 280 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
| 281 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
| 282 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
| 283 int file_rewind = FALSE; | |
| 284 #ifdef FEAT_MBYTE | |
| 285 int can_retry; | |
| 595 | 286 linenr_T conv_error = 0; /* line nr with conversion error */ |
| 287 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
| 7 | 288 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
| 289 in destination encoding */ | |
| 595 | 290 int bad_char_behavior = BAD_REPLACE; |
| 291 /* BAD_KEEP, BAD_DROP or character to | |
| 292 * replace with */ | |
| 7 | 293 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
| 294 int fio_flags = 0; | |
| 295 char_u *fenc; /* fileencoding to use */ | |
| 296 int fenc_alloced; /* fenc_next is in allocated memory */ | |
| 297 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
| 298 int advance_fenc = FALSE; | |
| 299 long real_size = 0; | |
| 300 # ifdef USE_ICONV | |
| 301 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
| 302 # ifdef FEAT_EVAL | |
| 303 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
| 304 'charconvert' next */ | |
| 305 # endif | |
| 306 # endif | |
| 307 int converted = FALSE; /* TRUE if conversion done */ | |
| 308 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
| 309 wasn't possible */ | |
| 310 char_u conv_rest[CONV_RESTLEN]; | |
| 311 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
| 312 #endif | |
| 1834 | 313 #ifdef FEAT_AUTOCMD |
|
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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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314 buf_T *old_curbuf; |
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315 char_u *old_b_ffname; |
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316 char_u *old_b_fname; |
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317 int using_b_ffname; |
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318 int using_b_fname; |
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319 #endif |
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320 |
| 2707 | 321 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 7 | 322 |
| 323 /* | |
| 324 * If there is no file name yet, use the one for the read file. | |
| 325 * BF_NOTEDITED is set to reflect this. | |
| 326 * Don't do this for a read from a filter. | |
| 327 * Only do this when 'cpoptions' contains the 'f' flag. | |
| 328 */ | |
| 329 if (curbuf->b_ffname == NULL | |
| 330 && !filtering | |
| 331 && fname != NULL | |
| 332 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
| 333 && !(flags & READ_DUMMY)) | |
| 334 { | |
| 633 | 335 if (set_rw_fname(fname, sfname) == FAIL) |
| 336 return FAIL; | |
| 7 | 337 } |
| 338 | |
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339 #ifdef FEAT_AUTOCMD |
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changeset
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340 /* Remember the initial values of curbuf, curbuf->b_ffname and |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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341 * curbuf->b_fname to detect whether they are altered as a result of |
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342 * executing nasty autocommands. Also check if "fname" and "sfname" |
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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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343 * point to one of these values. */ |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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changeset
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344 old_curbuf = curbuf; |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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345 old_b_ffname = curbuf->b_ffname; |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
Bram Moolenaar <bram@vim.org>
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2523
diff
changeset
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346 old_b_fname = curbuf->b_fname; |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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347 using_b_ffname = (fname == curbuf->b_ffname) |
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348 || (sfname == curbuf->b_ffname); |
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349 using_b_fname = (fname == curbuf->b_fname) || (sfname == curbuf->b_fname); |
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350 #endif |
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351 |
| 167 | 352 /* After reading a file the cursor line changes but we don't want to |
| 353 * display the line. */ | |
| 354 ex_no_reprint = TRUE; | |
| 355 | |
| 968 | 356 /* don't display the file info for another buffer now */ |
| 357 need_fileinfo = FALSE; | |
| 358 | |
| 7 | 359 /* |
| 360 * For Unix: Use the short file name whenever possible. | |
| 361 * Avoids problems with networks and when directory names are changed. | |
| 362 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 363 * another directory, which we don't detect. | |
| 364 */ | |
| 365 if (sfname == NULL) | |
| 366 sfname = fname; | |
| 367 #if defined(UNIX) || defined(__EMX__) | |
| 368 fname = sfname; | |
| 369 #endif | |
| 370 | |
| 371 #ifdef FEAT_AUTOCMD | |
| 372 /* | |
| 373 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
| 374 * executing the associated commands instead. | |
| 375 */ | |
| 376 if (!filtering && !read_stdin && !read_buffer) | |
| 377 { | |
| 378 pos_T pos; | |
| 379 | |
| 380 pos = curbuf->b_op_start; | |
| 381 | |
| 382 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
| 383 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 384 curbuf->b_op_start.col = 0; | |
| 385 | |
| 386 if (newfile) | |
| 387 { | |
| 388 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
| 389 FALSE, curbuf, eap)) | |
| 390 #ifdef FEAT_EVAL | |
| 391 return aborting() ? FAIL : OK; | |
| 392 #else | |
| 393 return OK; | |
| 394 #endif | |
| 395 } | |
| 396 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
| 397 FALSE, NULL, eap)) | |
| 398 #ifdef FEAT_EVAL | |
| 399 return aborting() ? FAIL : OK; | |
| 400 #else | |
| 401 return OK; | |
| 402 #endif | |
| 403 | |
| 404 curbuf->b_op_start = pos; | |
| 405 } | |
| 406 #endif | |
| 407 | |
| 408 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
| 409 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 410 else | |
| 411 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 412 | |
| 413 /* | |
| 414 * If the name ends in a path separator, we can't open it. Check here, | |
| 415 * because reading the file may actually work, but then creating the swap | |
| 416 * file may destroy it! Reported on MS-DOS and Win 95. | |
| 417 * If the name is too long we might crash further on, quit here. | |
| 418 */ | |
| 23 | 419 if (fname != NULL && *fname != NUL) |
| 420 { | |
| 39 | 421 p = fname + STRLEN(fname); |
| 422 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
| 23 | 423 { |
| 424 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
| 425 msg_end(); | |
| 426 msg_scroll = msg_save; | |
| 427 return FAIL; | |
| 428 } | |
| 7 | 429 } |
| 430 | |
| 431 #ifdef UNIX | |
| 432 /* | |
| 433 * On Unix it is possible to read a directory, so we have to | |
| 434 * check for it before the mch_open(). | |
| 435 */ | |
| 436 if (!read_stdin && !read_buffer) | |
| 437 { | |
| 438 perm = mch_getperm(fname); | |
| 439 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
| 440 # ifdef S_ISFIFO | |
| 441 && !S_ISFIFO(perm) /* ... or fifo */ | |
| 442 # endif | |
| 443 # ifdef S_ISSOCK | |
| 444 && !S_ISSOCK(perm) /* ... or socket */ | |
| 445 # endif | |
| 1313 | 446 # ifdef OPEN_CHR_FILES |
| 447 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
| 448 /* ... or a character special file named /dev/fd/<n> */ | |
| 449 # endif | |
| 7 | 450 ) |
| 451 { | |
| 452 if (S_ISDIR(perm)) | |
| 453 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
| 454 else | |
| 455 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
| 456 msg_end(); | |
| 457 msg_scroll = msg_save; | |
| 458 return FAIL; | |
| 459 } | |
| 1006 | 460 |
| 461 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 462 /* | |
| 463 * MS-Windows allows opening a device, but we will probably get stuck | |
| 464 * trying to read it. | |
| 465 */ | |
| 466 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
| 467 { | |
| 1303 | 468 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
| 1006 | 469 msg_end(); |
| 470 msg_scroll = msg_save; | |
| 471 return FAIL; | |
| 472 } | |
| 473 # endif | |
| 1004 | 474 } |
| 475 #endif | |
| 476 | |
| 7 | 477 /* set default 'fileformat' */ |
| 819 | 478 if (set_options) |
| 7 | 479 { |
| 480 if (eap != NULL && eap->force_ff != 0) | |
| 481 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
| 482 else if (*p_ffs != NUL) | |
| 483 set_fileformat(default_fileformat(), OPT_LOCAL); | |
| 484 } | |
| 485 | |
| 486 /* set or reset 'binary' */ | |
| 487 if (eap != NULL && eap->force_bin != 0) | |
| 488 { | |
| 489 int oldval = curbuf->b_p_bin; | |
| 490 | |
| 491 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
| 492 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
| 493 } | |
| 494 | |
| 495 /* | |
| 496 * When opening a new file we take the readonly flag from the file. | |
| 497 * Default is r/w, can be set to r/o below. | |
| 498 * Don't reset it when in readonly mode | |
| 499 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 500 */ | |
| 501 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 502 if (check_readonly && !readonlymode) |
| 7 | 503 curbuf->b_p_ro = FALSE; |
| 504 | |
| 505 if (newfile && !read_stdin && !read_buffer) | |
| 506 { | |
| 507 /* Remember time of file. | |
| 508 * For RISCOS, also remember the filetype. | |
| 509 */ | |
| 510 if (mch_stat((char *)fname, &st) >= 0) | |
| 511 { | |
| 512 buf_store_time(curbuf, &st, fname); | |
| 513 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 514 | |
| 515 #if defined(RISCOS) && defined(FEAT_OSFILETYPE) | |
| 516 /* Read the filetype into the buffer local filetype option. */ | |
| 517 mch_read_filetype(fname); | |
| 518 #endif | |
| 519 #ifdef UNIX | |
| 520 /* | |
| 521 * Use the protection bits of the original file for the swap file. | |
| 522 * This makes it possible for others to read the name of the | |
| 523 * edited file from the swapfile, but only if they can read the | |
| 524 * edited file. | |
| 525 * Remove the "write" and "execute" bits for group and others | |
| 526 * (they must not write the swapfile). | |
| 527 * Add the "read" and "write" bits for the user, otherwise we may | |
| 528 * not be able to write to the file ourselves. | |
| 529 * Setting the bits is done below, after creating the swap file. | |
| 530 */ | |
| 531 swap_mode = (st.st_mode & 0644) | 0600; | |
| 532 #endif | |
| 533 #ifdef FEAT_CW_EDITOR | |
| 534 /* Get the FSSpec on MacOS | |
| 535 * TODO: Update it properly when the buffer name changes | |
| 536 */ | |
| 537 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 538 #endif | |
| 539 #ifdef VMS | |
| 540 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 541 curbuf->b_fab_rat = st.st_fab_rat; |
| 542 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 543 #endif |
| 544 } | |
| 545 else | |
| 546 { | |
| 547 curbuf->b_mtime = 0; | |
| 548 curbuf->b_mtime_read = 0; | |
| 549 curbuf->b_orig_size = 0; | |
| 550 curbuf->b_orig_mode = 0; | |
| 551 } | |
| 552 | |
| 553 /* Reset the "new file" flag. It will be set again below when the | |
| 554 * file doesn't exist. */ | |
| 555 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 556 } | |
| 557 | |
| 558 /* | |
| 559 * for UNIX: check readonly with perm and mch_access() | |
| 560 * for RISCOS: same as Unix, otherwise file gets re-datestamped! | |
| 561 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
| 562 */ | |
| 563 file_readonly = FALSE; | |
| 564 if (read_stdin) | |
| 565 { | |
| 566 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 567 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
| 568 setmode(0, O_BINARY); | |
| 569 #endif | |
| 570 } | |
| 571 else if (!read_buffer) | |
| 572 { | |
| 573 #ifdef USE_MCH_ACCESS | |
| 574 if ( | |
| 575 # ifdef UNIX | |
| 576 !(perm & 0222) || | |
| 577 # endif | |
| 578 mch_access((char *)fname, W_OK)) | |
| 579 file_readonly = TRUE; | |
| 580 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 581 #else | |
| 582 if (!newfile | |
| 583 || readonlymode | |
| 584 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 585 { | |
| 586 file_readonly = TRUE; | |
| 587 /* try to open ro */ | |
| 588 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 589 } | |
| 590 #endif | |
| 591 } | |
| 592 | |
| 593 if (fd < 0) /* cannot open at all */ | |
| 594 { | |
| 595 #ifndef UNIX | |
| 596 int isdir_f; | |
| 597 #endif | |
| 598 msg_scroll = msg_save; | |
| 599 #ifndef UNIX | |
| 600 /* | |
| 601 * On MSDOS and Amiga we can't open a directory, check here. | |
| 602 */ | |
| 603 isdir_f = (mch_isdir(fname)); | |
| 604 perm = mch_getperm(fname); /* check if the file exists */ | |
| 605 if (isdir_f) | |
| 606 { | |
| 607 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 608 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 609 } | |
| 610 else | |
| 611 #endif | |
| 612 if (newfile) | |
| 613 { | |
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614 if (perm < 0 |
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615 #ifdef ENOENT |
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616 && errno == ENOENT |
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617 #endif |
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618 ) |
| 7 | 619 { |
| 620 /* | |
| 621 * Set the 'new-file' flag, so that when the file has | |
| 622 * been created by someone else, a ":w" will complain. | |
| 623 */ | |
| 624 curbuf->b_flags |= BF_NEW; | |
| 625 | |
| 626 /* Create a swap file now, so that other Vims are warned | |
| 627 * that we are editing this file. Don't do this for a | |
| 628 * "nofile" or "nowrite" buffer type. */ | |
| 629 #ifdef FEAT_QUICKFIX | |
| 630 if (!bt_dontwrite(curbuf)) | |
| 631 #endif | |
| 1834 | 632 { |
| 7 | 633 check_need_swap(newfile); |
| 1834 | 634 #ifdef FEAT_AUTOCMD |
| 635 /* SwapExists autocommand may mess things up */ | |
| 636 if (curbuf != old_curbuf | |
| 637 || (using_b_ffname | |
| 638 && (old_b_ffname != curbuf->b_ffname)) | |
| 639 || (using_b_fname | |
| 640 && (old_b_fname != curbuf->b_fname))) | |
| 641 { | |
| 642 EMSG(_(e_auchangedbuf)); | |
| 643 return FAIL; | |
| 644 } | |
| 645 #endif | |
| 646 } | |
| 592 | 647 if (dir_of_file_exists(fname)) |
| 648 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 649 else | |
| 650 filemess(curbuf, sfname, | |
| 651 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 652 #ifdef FEAT_VIMINFO |
| 653 /* Even though this is a new file, it might have been | |
| 654 * edited before and deleted. Get the old marks. */ | |
| 655 check_marks_read(); | |
| 656 #endif | |
| 657 #ifdef FEAT_MBYTE | |
| 658 if (eap != NULL && eap->force_enc != 0) | |
| 659 { | |
| 660 /* set forced 'fileencoding' */ | |
| 661 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 662 if (fenc != NULL) | |
| 663 set_string_option_direct((char_u *)"fenc", -1, | |
| 694 | 664 fenc, OPT_FREE|OPT_LOCAL, 0); |
| 7 | 665 vim_free(fenc); |
| 666 } | |
| 667 #endif | |
| 668 #ifdef FEAT_AUTOCMD | |
| 669 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 670 FALSE, curbuf, eap); | |
| 671 #endif | |
| 672 /* remember the current fileformat */ | |
| 673 save_file_ff(curbuf); | |
| 674 | |
| 675 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 676 if (aborting()) /* autocmds may abort script processing */ | |
| 677 return FAIL; | |
| 678 #endif | |
| 679 return OK; /* a new file is not an error */ | |
| 680 } | |
| 681 else | |
| 682 { | |
| 550 | 683 filemess(curbuf, sfname, (char_u *)( |
| 684 # ifdef EFBIG | |
| 685 (errno == EFBIG) ? _("[File too big]") : | |
| 686 # endif | |
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687 # ifdef EOVERFLOW |
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688 (errno == EOVERFLOW) ? _("[File too big]") : |
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689 # endif |
| 550 | 690 _("[Permission Denied]")), 0); |
| 7 | 691 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 692 } | |
| 693 } | |
| 694 | |
| 695 return FAIL; | |
| 696 } | |
| 697 | |
| 698 /* | |
| 699 * Only set the 'ro' flag for readonly files the first time they are | |
| 700 * loaded. Help files always get readonly mode | |
| 701 */ | |
| 702 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 703 curbuf->b_p_ro = TRUE; | |
| 704 | |
| 819 | 705 if (set_options) |
| 7 | 706 { |
| 1486 | 707 /* Don't change 'eol' if reading from buffer as it will already be |
| 708 * correctly set when reading stdin. */ | |
| 709 if (!read_buffer) | |
| 710 { | |
| 711 curbuf->b_p_eol = TRUE; | |
| 712 curbuf->b_start_eol = TRUE; | |
| 713 } | |
| 7 | 714 #ifdef FEAT_MBYTE |
| 715 curbuf->b_p_bomb = FALSE; | |
| 1352 | 716 curbuf->b_start_bomb = FALSE; |
| 7 | 717 #endif |
| 718 } | |
| 719 | |
| 720 /* Create a swap file now, so that other Vims are warned that we are | |
| 721 * editing this file. | |
| 722 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 723 #ifdef FEAT_QUICKFIX | |
| 724 if (!bt_dontwrite(curbuf)) | |
| 725 #endif | |
| 726 { | |
| 727 check_need_swap(newfile); | |
| 1834 | 728 #ifdef FEAT_AUTOCMD |
| 729 if (!read_stdin && (curbuf != old_curbuf | |
| 730 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 731 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 732 { | |
| 733 EMSG(_(e_auchangedbuf)); | |
| 734 if (!read_buffer) | |
| 735 close(fd); | |
| 736 return FAIL; | |
| 737 } | |
| 738 #endif | |
| 7 | 739 #ifdef UNIX |
| 740 /* Set swap file protection bits after creating it. */ | |
| 1918 | 741 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 742 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 743 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 744 #endif | |
| 745 } | |
| 746 | |
| 578 | 747 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 748 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 749 if (swap_exists_action == SEA_QUIT) | |
| 750 { | |
| 751 if (!read_buffer && !read_stdin) | |
| 752 close(fd); | |
| 753 return FAIL; | |
| 754 } | |
| 755 #endif | |
| 756 | |
| 757 ++no_wait_return; /* don't wait for return yet */ | |
| 758 | |
| 759 /* | |
| 760 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 761 */ | |
| 762 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 763 curbuf->b_op_start.col = 0; | |
| 764 | |
| 765 #ifdef FEAT_AUTOCMD | |
| 766 if (!read_buffer) | |
| 767 { | |
| 768 int m = msg_scroll; | |
| 769 int n = msg_scrolled; | |
| 770 | |
| 771 /* | |
| 772 * The file must be closed again, the autocommands may want to change | |
| 773 * the file before reading it. | |
| 774 */ | |
| 775 if (!read_stdin) | |
| 776 close(fd); /* ignore errors */ | |
| 777 | |
| 778 /* | |
| 779 * The output from the autocommands should not overwrite anything and | |
| 780 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 781 * output was done. | |
| 782 */ | |
| 783 msg_scroll = TRUE; | |
| 784 if (filtering) | |
| 785 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 786 FALSE, curbuf, eap); | |
| 787 else if (read_stdin) | |
| 788 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 789 FALSE, curbuf, eap); | |
| 790 else if (newfile) | |
| 791 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 792 FALSE, curbuf, eap); | |
| 793 else | |
| 794 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 795 FALSE, NULL, eap); | |
| 796 if (msg_scrolled == n) | |
| 797 msg_scroll = m; | |
| 798 | |
| 799 #ifdef FEAT_EVAL | |
| 800 if (aborting()) /* autocmds may abort script processing */ | |
| 801 { | |
| 802 --no_wait_return; | |
| 803 msg_scroll = msg_save; | |
| 804 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 805 return FAIL; | |
| 806 } | |
| 807 #endif | |
| 808 /* | |
| 809 * Don't allow the autocommands to change the current buffer. | |
| 810 * Try to re-open the file. | |
| 1834 | 811 * |
| 812 * Don't allow the autocommands to change the buffer name either | |
| 813 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 814 */ |
| 815 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 816 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 817 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 818 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 819 { | |
| 820 --no_wait_return; | |
| 821 msg_scroll = msg_save; | |
| 822 if (fd < 0) | |
| 823 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 824 else | |
| 825 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 826 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 827 return FAIL; | |
| 828 } | |
| 829 } | |
| 830 #endif /* FEAT_AUTOCMD */ | |
| 831 | |
| 832 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 833 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 834 | |
| 835 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 836 { | |
| 837 /* | |
| 838 * Show the user that we are busy reading the input. Sometimes this | |
| 839 * may take a while. When reading from stdin another program may | |
| 840 * still be running, don't move the cursor to the last line, unless | |
| 841 * always using the GUI. | |
| 842 */ | |
| 843 if (read_stdin) | |
| 844 { | |
| 845 #ifndef ALWAYS_USE_GUI | |
| 846 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 847 #endif | |
| 848 #ifdef FEAT_GUI | |
| 849 /* Also write a message in the GUI window, if there is one. */ | |
| 850 if (gui.in_use && !gui.dying && !gui.starting) | |
| 851 { | |
| 852 p = (char_u *)_("Reading from stdin..."); | |
| 853 gui_write(p, (int)STRLEN(p)); | |
| 854 } | |
| 855 #endif | |
| 856 } | |
| 857 else if (!read_buffer) | |
| 858 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 859 } | |
| 860 | |
| 861 msg_scroll = FALSE; /* overwrite the file message */ | |
| 862 | |
| 863 /* | |
| 864 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 865 * fileformat, and after the autocommands, which may change them. | |
| 866 */ | |
| 867 linecnt = curbuf->b_ml.ml_line_count; | |
| 868 | |
| 869 #ifdef FEAT_MBYTE | |
| 595 | 870 /* "++bad=" argument. */ |
| 871 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 872 { |
| 595 | 873 bad_char_behavior = eap->bad_char; |
| 819 | 874 if (set_options) |
| 612 | 875 curbuf->b_bad_char = eap->bad_char; |
| 876 } | |
| 877 else | |
| 878 curbuf->b_bad_char = 0; | |
| 595 | 879 |
| 7 | 880 /* |
| 595 | 881 * Decide which 'encoding' to use or use first. |
| 7 | 882 */ |
| 883 if (eap != NULL && eap->force_enc != 0) | |
| 884 { | |
| 885 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 886 fenc_alloced = TRUE; | |
| 595 | 887 keep_dest_enc = TRUE; |
| 7 | 888 } |
| 889 else if (curbuf->b_p_bin) | |
| 890 { | |
| 891 fenc = (char_u *)""; /* binary: don't convert */ | |
| 892 fenc_alloced = FALSE; | |
| 893 } | |
| 894 else if (curbuf->b_help) | |
| 895 { | |
| 896 char_u firstline[80]; | |
| 301 | 897 int fc; |
| 7 | 898 |
| 899 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 900 * fails it must be latin1. | |
| 901 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 902 * this when needed to avoid [converted] remarks all the time. | |
| 903 * It is needed when the first line contains non-ASCII characters. | |
| 904 * That is only in *.??x files. */ | |
| 905 fenc = (char_u *)"latin1"; | |
| 906 c = enc_utf8; | |
| 301 | 907 if (!c && !read_stdin) |
| 908 { | |
| 909 fc = fname[STRLEN(fname) - 1]; | |
| 910 if (TOLOWER_ASC(fc) == 'x') | |
| 911 { | |
| 912 /* Read the first line (and a bit more). Immediately rewind to | |
| 913 * the start of the file. If the read() fails "len" is -1. */ | |
| 2664 | 914 len = read_eintr(fd, firstline, 80); |
| 301 | 915 lseek(fd, (off_t)0L, SEEK_SET); |
| 916 for (p = firstline; p < firstline + len; ++p) | |
| 917 if (*p >= 0x80) | |
| 918 { | |
| 919 c = TRUE; | |
| 920 break; | |
| 921 } | |
| 922 } | |
| 7 | 923 } |
| 924 | |
| 925 if (c) | |
| 926 { | |
| 927 fenc_next = fenc; | |
| 928 fenc = (char_u *)"utf-8"; | |
| 929 | |
| 930 /* When the file is utf-8 but a character doesn't fit in | |
| 931 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 932 * doesn't make sense. */ | |
| 844 | 933 if (!enc_utf8) |
| 934 keep_dest_enc = TRUE; | |
| 7 | 935 } |
| 936 fenc_alloced = FALSE; | |
| 937 } | |
| 938 else if (*p_fencs == NUL) | |
| 939 { | |
| 940 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 941 fenc_alloced = FALSE; | |
| 942 } | |
| 943 else | |
| 944 { | |
| 945 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 946 fenc = next_fenc(&fenc_next); | |
| 947 fenc_alloced = TRUE; | |
| 948 } | |
| 949 #endif | |
| 950 | |
| 951 /* | |
| 952 * Jump back here to retry reading the file in different ways. | |
| 953 * Reasons to retry: | |
| 954 * - encoding conversion failed: try another one from "fenc_next" | |
| 955 * - BOM detected and fenc was set, need to setup conversion | |
| 956 * - "fileformat" check failed: try another | |
| 957 * | |
| 958 * Variables set for special retry actions: | |
| 959 * "file_rewind" Rewind the file to start reading it again. | |
| 960 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 961 * "skip_read" Re-use already read bytes (BOM detected). | |
| 962 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 963 * "keep_fileformat" Don't reset "fileformat". | |
| 964 * | |
| 965 * Other status indicators: | |
| 966 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 967 * Output file has to be deleted afterwards. | |
| 968 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 969 */ | |
| 970 retry: | |
| 971 | |
| 972 if (file_rewind) | |
| 973 { | |
| 974 if (read_buffer) | |
| 975 { | |
| 976 read_buf_lnum = 1; | |
| 977 read_buf_col = 0; | |
| 978 } | |
| 979 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 980 { | |
| 981 /* Can't rewind the file, give up. */ | |
| 982 error = TRUE; | |
| 983 goto failed; | |
| 984 } | |
| 985 /* Delete the previously read lines. */ | |
| 986 while (lnum > from) | |
| 987 ml_delete(lnum--, FALSE); | |
| 988 file_rewind = FALSE; | |
| 989 #ifdef FEAT_MBYTE | |
| 819 | 990 if (set_options) |
| 1352 | 991 { |
| 7 | 992 curbuf->b_p_bomb = FALSE; |
| 1352 | 993 curbuf->b_start_bomb = FALSE; |
| 994 } | |
| 595 | 995 conv_error = 0; |
| 7 | 996 #endif |
| 997 } | |
| 998 | |
| 2267 | 999 #ifdef FEAT_CRYPT |
| 1000 if (cryptkey != NULL) | |
| 1001 /* Need to reset the state, but keep the key, don't want to ask for it | |
| 1002 * again. */ | |
| 1003 crypt_pop_state(); | |
| 1004 #endif | |
| 1005 | |
| 7 | 1006 /* |
| 1007 * When retrying with another "fenc" and the first time "fileformat" | |
| 1008 * will be reset. | |
| 1009 */ | |
| 1010 if (keep_fileformat) | |
| 1011 keep_fileformat = FALSE; | |
| 1012 else | |
| 1013 { | |
| 1014 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 1015 { |
| 7 | 1016 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 1017 try_unix = try_dos = try_mac = FALSE; |
| 1018 } | |
| 7 | 1019 else if (curbuf->b_p_bin) |
| 1020 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 1021 else if (*p_ffs == NUL) | |
| 1022 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 1023 else | |
| 1024 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 1025 } | |
| 1026 | |
| 1027 #ifdef FEAT_MBYTE | |
| 1028 # ifdef USE_ICONV | |
| 1029 if (iconv_fd != (iconv_t)-1) | |
| 1030 { | |
| 1031 /* aborted conversion with iconv(), close the descriptor */ | |
| 1032 iconv_close(iconv_fd); | |
| 1033 iconv_fd = (iconv_t)-1; | |
| 1034 } | |
| 1035 # endif | |
| 1036 | |
| 1037 if (advance_fenc) | |
| 1038 { | |
| 1039 /* | |
| 1040 * Try the next entry in 'fileencodings'. | |
| 1041 */ | |
| 1042 advance_fenc = FALSE; | |
| 1043 | |
| 1044 if (eap != NULL && eap->force_enc != 0) | |
| 1045 { | |
| 1046 /* Conversion given with "++cc=" wasn't possible, read | |
| 1047 * without conversion. */ | |
| 1048 notconverted = TRUE; | |
| 595 | 1049 conv_error = 0; |
| 7 | 1050 if (fenc_alloced) |
| 1051 vim_free(fenc); | |
| 1052 fenc = (char_u *)""; | |
| 1053 fenc_alloced = FALSE; | |
| 1054 } | |
| 1055 else | |
| 1056 { | |
| 1057 if (fenc_alloced) | |
| 1058 vim_free(fenc); | |
| 1059 if (fenc_next != NULL) | |
| 1060 { | |
| 1061 fenc = next_fenc(&fenc_next); | |
| 1062 fenc_alloced = (fenc_next != NULL); | |
| 1063 } | |
| 1064 else | |
| 1065 { | |
| 1066 fenc = (char_u *)""; | |
| 1067 fenc_alloced = FALSE; | |
| 1068 } | |
| 1069 } | |
| 1070 if (tmpname != NULL) | |
| 1071 { | |
| 1072 mch_remove(tmpname); /* delete converted file */ | |
| 1073 vim_free(tmpname); | |
| 1074 tmpname = NULL; | |
| 1075 } | |
| 1076 } | |
| 1077 | |
| 1078 /* | |
| 1948 | 1079 * Conversion may be required when the encoding of the file is different |
| 1080 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1081 */ |
| 1082 fio_flags = 0; | |
| 1948 | 1083 converted = need_conversion(fenc); |
| 1084 if (converted) | |
| 7 | 1085 { |
| 1086 | |
| 1087 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1088 * for a BOM. */ | |
| 1089 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1090 fio_flags = FIO_UCSBOM; | |
| 1091 | |
| 1092 /* | |
| 1093 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1094 * done. This is handled below after read(). Prepare the | |
| 1095 * fio_flags to avoid having to parse the string each time. | |
| 1096 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1097 * appears not to handle this correctly. This works just like | |
| 1098 * conversion to UTF-8 except how the resulting character is put in | |
| 1099 * the buffer. | |
| 1100 */ | |
| 1101 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1102 fio_flags = get_fio_flags(fenc); | |
| 1103 | |
| 1104 # ifdef WIN3264 | |
| 1105 /* | |
| 1106 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1107 * is handled with MultiByteToWideChar(). | |
| 1108 */ | |
| 1109 if (fio_flags == 0) | |
| 1110 fio_flags = get_win_fio_flags(fenc); | |
| 1111 # endif | |
| 1112 | |
| 1113 # ifdef MACOS_X | |
| 1114 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1115 if (fio_flags == 0) | |
| 1116 fio_flags = get_mac_fio_flags(fenc); | |
| 1117 # endif | |
| 1118 | |
| 1119 # ifdef USE_ICONV | |
| 1120 /* | |
| 1121 * Try using iconv() if we can't convert internally. | |
| 1122 */ | |
| 1123 if (fio_flags == 0 | |
| 1124 # ifdef FEAT_EVAL | |
| 1125 && !did_iconv | |
| 1126 # endif | |
| 1127 ) | |
| 1128 iconv_fd = (iconv_t)my_iconv_open( | |
| 1129 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1130 # endif | |
| 1131 | |
| 1132 # ifdef FEAT_EVAL | |
| 1133 /* | |
| 1134 * Use the 'charconvert' expression when conversion is required | |
| 1135 * and we can't do it internally or with iconv(). | |
| 1136 */ | |
| 1137 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1138 # ifdef USE_ICONV | |
| 1139 && iconv_fd == (iconv_t)-1 | |
| 1140 # endif | |
| 1141 ) | |
| 1142 { | |
| 1143 # ifdef USE_ICONV | |
| 1144 did_iconv = FALSE; | |
| 1145 # endif | |
| 1146 /* Skip conversion when it's already done (retry for wrong | |
| 1147 * "fileformat"). */ | |
| 1148 if (tmpname == NULL) | |
| 1149 { | |
| 1150 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1151 if (tmpname == NULL) | |
| 1152 { | |
| 1153 /* Conversion failed. Try another one. */ | |
| 1154 advance_fenc = TRUE; | |
| 1155 if (fd < 0) | |
| 1156 { | |
| 1157 /* Re-opening the original file failed! */ | |
| 1158 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1159 error = TRUE; | |
| 1160 goto failed; | |
| 1161 } | |
| 1162 goto retry; | |
| 1163 } | |
| 1164 } | |
| 1165 } | |
| 1166 else | |
| 1167 # endif | |
| 1168 { | |
| 1169 if (fio_flags == 0 | |
| 1170 # ifdef USE_ICONV | |
| 1171 && iconv_fd == (iconv_t)-1 | |
| 1172 # endif | |
| 1173 ) | |
| 1174 { | |
| 1175 /* Conversion wanted but we can't. | |
| 1176 * Try the next conversion in 'fileencodings' */ | |
| 1177 advance_fenc = TRUE; | |
| 1178 goto retry; | |
| 1179 } | |
| 1180 } | |
| 1181 } | |
| 1182 | |
| 595 | 1183 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1184 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1185 * stdin or fixed at a specific encoding. */ |
| 1186 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1187 #endif |
| 1188 | |
| 1189 if (!skip_read) | |
| 1190 { | |
| 1191 linerest = 0; | |
| 1192 filesize = 0; | |
| 1193 skip_count = lines_to_skip; | |
| 1194 read_count = lines_to_read; | |
| 1195 #ifdef FEAT_MBYTE | |
| 1196 conv_restlen = 0; | |
| 1197 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1198 #ifdef FEAT_PERSISTENT_UNDO |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1199 read_undo_file = (newfile && (flags & READ_KEEP_UNDO) == 0 |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1200 && curbuf->b_ffname != NULL |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1201 && curbuf->b_p_udf |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1202 && !filtering |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1203 && !read_stdin |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1204 && !read_buffer); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1205 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
|
1206 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
|
1207 #endif |
| 7 | 1208 } |
| 1209 | |
| 1210 while (!error && !got_int) | |
| 1211 { | |
| 1212 /* | |
| 1213 * We allocate as much space for the file as we can get, plus | |
| 1214 * space for the old line plus room for one terminating NUL. | |
| 1215 * The amount is limited by the fact that read() only can read | |
| 1216 * upto max_unsigned characters (and other things). | |
| 1217 */ | |
| 1218 #if SIZEOF_INT <= 2 | |
| 1219 if (linerest >= 0x7ff0) | |
| 1220 { | |
| 1221 ++split; | |
| 1222 *ptr = NL; /* split line by inserting a NL */ | |
| 1223 size = 1; | |
| 1224 } | |
| 1225 else | |
| 1226 #endif | |
| 1227 { | |
| 1228 if (!skip_read) | |
| 1229 { | |
| 1230 #if SIZEOF_INT > 2 | |
| 1076 | 1231 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1232 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1233 # else | |
| 1234 size = 0x10000L; /* use buffer >= 64K */ | |
| 1235 # endif | |
| 1236 #else | |
| 1237 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1238 #endif | |
| 1239 | |
| 836 | 1240 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1241 { |
| 1242 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1243 FALSE)) != NULL) | |
| 1244 break; | |
| 1245 } | |
| 1246 if (new_buffer == NULL) | |
| 1247 { | |
| 1248 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1249 error = TRUE; | |
| 1250 break; | |
| 1251 } | |
| 1252 if (linerest) /* copy characters from the previous buffer */ | |
| 1253 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1254 vim_free(buffer); | |
| 1255 buffer = new_buffer; | |
| 1256 ptr = buffer + linerest; | |
| 1257 line_start = buffer; | |
| 1258 | |
| 1259 #ifdef FEAT_MBYTE | |
| 1260 /* May need room to translate into. | |
| 1261 * For iconv() we don't really know the required space, use a | |
| 1262 * factor ICONV_MULT. | |
| 1263 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1264 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1265 * become up to 4 bytes, size must be multiple of 2 | |
| 1266 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1267 * multiple of 2 | |
| 1268 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1269 * multiple of 4 */ | |
| 835 | 1270 real_size = (int)size; |
| 7 | 1271 # ifdef USE_ICONV |
| 1272 if (iconv_fd != (iconv_t)-1) | |
| 1273 size = size / ICONV_MULT; | |
| 1274 else | |
| 1275 # endif | |
| 1276 if (fio_flags & FIO_LATIN1) | |
| 1277 size = size / 2; | |
| 1278 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1279 size = (size * 2 / 3) & ~1; | |
| 1280 else if (fio_flags & FIO_UCS4) | |
| 1281 size = (size * 2 / 3) & ~3; | |
| 1282 else if (fio_flags == FIO_UCSBOM) | |
| 1283 size = size / ICONV_MULT; /* worst case */ | |
| 1284 # ifdef WIN3264 | |
| 1285 else if (fio_flags & FIO_CODEPAGE) | |
| 1286 size = size / ICONV_MULT; /* also worst case */ | |
| 1287 # endif | |
| 1288 # ifdef MACOS_X | |
| 1289 else if (fio_flags & FIO_MACROMAN) | |
| 1290 size = size / ICONV_MULT; /* also worst case */ | |
| 1291 # endif | |
| 1292 #endif | |
| 1293 | |
| 1294 #ifdef FEAT_MBYTE | |
| 1295 if (conv_restlen > 0) | |
| 1296 { | |
| 1297 /* Insert unconverted bytes from previous line. */ | |
| 1298 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1299 ptr += conv_restlen; | |
| 1300 size -= conv_restlen; | |
| 1301 } | |
| 1302 #endif | |
| 1303 | |
| 1304 if (read_buffer) | |
| 1305 { | |
| 1306 /* | |
| 1307 * Read bytes from curbuf. Used for converting text read | |
| 1308 * from stdin. | |
| 1309 */ | |
| 1310 if (read_buf_lnum > from) | |
| 1311 size = 0; | |
| 1312 else | |
| 1313 { | |
| 1314 int n, ni; | |
| 1315 long tlen; | |
| 1316 | |
| 1317 tlen = 0; | |
| 1318 for (;;) | |
| 1319 { | |
| 1320 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1321 n = (int)STRLEN(p); | |
| 1322 if ((int)tlen + n + 1 > size) | |
| 1323 { | |
| 1324 /* Filled up to "size", append partial line. | |
| 1325 * Change NL to NUL to reverse the effect done | |
| 1326 * below. */ | |
| 835 | 1327 n = (int)(size - tlen); |
| 7 | 1328 for (ni = 0; ni < n; ++ni) |
| 1329 { | |
| 1330 if (p[ni] == NL) | |
| 1331 ptr[tlen++] = NUL; | |
| 1332 else | |
| 1333 ptr[tlen++] = p[ni]; | |
| 1334 } | |
| 1335 read_buf_col += n; | |
| 1336 break; | |
| 1337 } | |
| 1338 else | |
| 1339 { | |
| 1340 /* Append whole line and new-line. Change NL | |
| 1341 * to NUL to reverse the effect done below. */ | |
| 1342 for (ni = 0; ni < n; ++ni) | |
| 1343 { | |
| 1344 if (p[ni] == NL) | |
| 1345 ptr[tlen++] = NUL; | |
| 1346 else | |
| 1347 ptr[tlen++] = p[ni]; | |
| 1348 } | |
| 1349 ptr[tlen++] = NL; | |
| 1350 read_buf_col = 0; | |
| 1351 if (++read_buf_lnum > from) | |
| 1352 { | |
| 1353 /* When the last line didn't have an | |
| 1354 * end-of-line don't add it now either. */ | |
| 1355 if (!curbuf->b_p_eol) | |
| 1356 --tlen; | |
| 1357 size = tlen; | |
| 1358 break; | |
| 1359 } | |
| 1360 } | |
| 1361 } | |
| 1362 } | |
| 1363 } | |
| 1364 else | |
| 1365 { | |
| 1366 /* | |
| 1367 * Read bytes from the file. | |
| 1368 */ | |
| 2664 | 1369 size = read_eintr(fd, ptr, size); |
| 7 | 1370 } |
| 1371 | |
| 1372 if (size <= 0) | |
| 1373 { | |
| 1374 if (size < 0) /* read error */ | |
| 1375 error = TRUE; | |
| 1376 #ifdef FEAT_MBYTE | |
| 1377 else if (conv_restlen > 0) | |
| 595 | 1378 { |
| 1597 | 1379 /* |
| 1380 * Reached end-of-file but some trailing bytes could | |
| 1381 * not be converted. Truncated file? | |
| 1382 */ | |
| 1383 | |
| 1384 /* When we did a conversion report an error. */ | |
| 1385 if (fio_flags != 0 | |
| 1386 # ifdef USE_ICONV | |
| 1387 || iconv_fd != (iconv_t)-1 | |
| 1388 # endif | |
| 1389 ) | |
| 1390 { | |
| 1391 if (conv_error == 0) | |
| 1392 conv_error = curbuf->b_ml.ml_line_count | |
| 1393 - linecnt + 1; | |
| 1394 } | |
| 1395 /* Remember the first linenr with an illegal byte */ | |
| 1396 else if (illegal_byte == 0) | |
| 1397 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1398 - linecnt + 1; | |
| 1399 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1400 { |
| 1597 | 1401 *(ptr - conv_restlen) = NUL; |
| 1402 conv_restlen = 0; | |
| 1403 } | |
| 1404 else | |
| 1405 { | |
| 1406 /* Replace the trailing bytes with the replacement | |
| 1407 * character if we were converting; if we weren't, | |
| 1408 * leave the UTF8 checking code to do it, as it | |
| 1409 * works slightly differently. */ | |
| 1410 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1411 # ifdef USE_ICONV | |
| 1412 || iconv_fd != (iconv_t)-1 | |
| 1413 # endif | |
| 1414 )) | |
| 1415 { | |
| 1416 while (conv_restlen > 0) | |
| 1417 { | |
| 1418 *(--ptr) = bad_char_behavior; | |
| 1419 --conv_restlen; | |
| 1420 } | |
| 1421 } | |
| 595 | 1422 fio_flags = 0; /* don't convert this */ |
| 834 | 1423 # ifdef USE_ICONV |
| 1424 if (iconv_fd != (iconv_t)-1) | |
| 1425 { | |
| 1426 iconv_close(iconv_fd); | |
| 1427 iconv_fd = (iconv_t)-1; | |
| 1428 } | |
| 1429 # endif | |
| 595 | 1430 } |
| 1431 } | |
| 7 | 1432 #endif |
| 1433 } | |
| 1434 | |
| 1435 #ifdef FEAT_CRYPT | |
| 1436 /* | |
| 1437 * At start of file: Check for magic number of encryption. | |
| 1438 */ | |
| 1439 if (filesize == 0) | |
| 1440 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
| 2267 | 1441 &filesize, newfile, sfname, |
| 1442 &did_ask_for_key); | |
| 7 | 1443 /* |
| 1444 * Decrypt the read bytes. | |
| 1445 */ | |
| 1446 if (cryptkey != NULL && size > 0) | |
| 2244 | 1447 crypt_decode(ptr, size); |
| 7 | 1448 #endif |
| 1449 } | |
| 1450 skip_read = FALSE; | |
| 1451 | |
| 1452 #ifdef FEAT_MBYTE | |
| 1453 /* | |
| 1454 * At start of file (or after crypt magic number): Check for BOM. | |
| 1455 * Also check for a BOM for other Unicode encodings, but not after | |
| 1456 * converting with 'charconvert' or when a BOM has already been | |
| 1457 * found. | |
| 1458 */ | |
| 1459 if ((filesize == 0 | |
| 1460 # 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
|
1461 || (filesize == (CRYPT_MAGIC_LEN |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
1462 + 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
|
1463 + 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
|
1464 && cryptkey != NULL) |
| 7 | 1465 # endif |
| 1466 ) | |
| 1467 && (fio_flags == FIO_UCSBOM | |
| 1468 || (!curbuf->b_p_bomb | |
| 1469 && tmpname == NULL | |
| 1470 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1471 { | |
| 1472 char_u *ccname; | |
| 1473 int blen; | |
| 1474 | |
| 1475 /* no BOM detection in a short file or in binary mode */ | |
| 1476 if (size < 2 || curbuf->b_p_bin) | |
| 1477 ccname = NULL; | |
| 1478 else | |
| 1479 ccname = check_for_bom(ptr, size, &blen, | |
| 1480 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1481 if (ccname != NULL) | |
| 1482 { | |
| 1483 /* Remove BOM from the text */ | |
| 1484 filesize += blen; | |
| 1485 size -= blen; | |
| 1486 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1487 if (set_options) |
| 1352 | 1488 { |
| 7 | 1489 curbuf->b_p_bomb = TRUE; |
| 1352 | 1490 curbuf->b_start_bomb = TRUE; |
| 1491 } | |
| 7 | 1492 } |
| 1493 | |
| 1494 if (fio_flags == FIO_UCSBOM) | |
| 1495 { | |
| 1496 if (ccname == NULL) | |
| 1497 { | |
| 1498 /* No BOM detected: retry with next encoding. */ | |
| 1499 advance_fenc = TRUE; | |
| 1500 } | |
| 1501 else | |
| 1502 { | |
| 1503 /* BOM detected: set "fenc" and jump back */ | |
| 1504 if (fenc_alloced) | |
| 1505 vim_free(fenc); | |
| 1506 fenc = ccname; | |
| 1507 fenc_alloced = FALSE; | |
| 1508 } | |
| 1509 /* retry reading without getting new bytes or rewinding */ | |
| 1510 skip_read = TRUE; | |
| 1511 goto retry; | |
| 1512 } | |
| 1513 } | |
| 1597 | 1514 |
| 1515 /* Include not converted bytes. */ | |
| 1516 ptr -= conv_restlen; | |
| 1517 size += conv_restlen; | |
| 1518 conv_restlen = 0; | |
| 7 | 1519 #endif |
| 1520 /* | |
| 1521 * Break here for a read error or end-of-file. | |
| 1522 */ | |
| 1523 if (size <= 0) | |
| 1524 break; | |
| 1525 | |
| 1526 #ifdef FEAT_MBYTE | |
| 1527 | |
| 1528 # ifdef USE_ICONV | |
| 1529 if (iconv_fd != (iconv_t)-1) | |
| 1530 { | |
| 1531 /* | |
| 1532 * Attempt conversion of the read bytes to 'encoding' using | |
| 1533 * iconv(). | |
| 1534 */ | |
| 1535 const char *fromp; | |
| 1536 char *top; | |
| 1537 size_t from_size; | |
| 1538 size_t to_size; | |
| 1539 | |
| 1540 fromp = (char *)ptr; | |
| 1541 from_size = size; | |
| 1542 ptr += size; | |
| 1543 top = (char *)ptr; | |
| 1544 to_size = real_size - size; | |
| 1545 | |
| 1546 /* | |
| 1547 * If there is conversion error or not enough room try using | |
| 179 | 1548 * another conversion. Except for when there is no |
| 1549 * alternative (help files). | |
| 7 | 1550 */ |
| 177 | 1551 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1552 &top, &to_size) | |
| 7 | 1553 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1554 || from_size > CONV_RESTLEN) | |
| 177 | 1555 { |
| 595 | 1556 if (can_retry) |
| 375 | 1557 goto rewind_retry; |
| 595 | 1558 if (conv_error == 0) |
| 1559 conv_error = readfile_linenr(linecnt, | |
| 1560 ptr, (char_u *)top); | |
| 1561 | |
| 1562 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1563 ++fromp; |
| 1564 --from_size; | |
| 595 | 1565 if (bad_char_behavior == BAD_KEEP) |
| 1566 { | |
| 1567 *top++ = *(fromp - 1); | |
| 1568 --to_size; | |
| 1569 } | |
| 1570 else if (bad_char_behavior != BAD_DROP) | |
| 1571 { | |
| 1572 *top++ = bad_char_behavior; | |
| 1573 --to_size; | |
| 1574 } | |
| 177 | 1575 } |
| 7 | 1576 |
| 1577 if (from_size > 0) | |
| 1578 { | |
| 1579 /* Some remaining characters, keep them for the next | |
| 1580 * round. */ | |
| 1581 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1582 conv_restlen = (int)from_size; | |
| 1583 } | |
| 1584 | |
| 1585 /* move the linerest to before the converted characters */ | |
| 1586 line_start = ptr - linerest; | |
| 1587 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1588 size = (long)((char_u *)top - ptr); | |
| 1589 } | |
| 1590 # endif | |
| 1591 | |
| 1592 # ifdef WIN3264 | |
| 1593 if (fio_flags & FIO_CODEPAGE) | |
| 1594 { | |
| 595 | 1595 char_u *src, *dst; |
| 1596 WCHAR ucs2buf[3]; | |
| 1597 int ucs2len; | |
| 1598 int codepage = FIO_GET_CP(fio_flags); | |
| 1599 int bytelen; | |
| 1600 int found_bad; | |
| 1601 char replstr[2]; | |
| 1602 | |
| 7 | 1603 /* |
| 1604 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1605 * a codepage, using standard MS-Windows functions. This |
| 1606 * requires two steps: | |
| 1607 * 1. convert from 'fileencoding' to ucs-2 | |
| 1608 * 2. convert from ucs-2 to 'encoding' | |
| 1609 * | |
| 1610 * Because there may be illegal bytes AND an incomplete byte | |
| 1611 * sequence at the end, we may have to do the conversion one | |
| 1612 * character at a time to get it right. | |
| 7 | 1613 */ |
| 595 | 1614 |
| 1615 /* Replacement string for WideCharToMultiByte(). */ | |
| 1616 if (bad_char_behavior > 0) | |
| 1617 replstr[0] = bad_char_behavior; | |
| 1618 else | |
| 1619 replstr[0] = '?'; | |
| 1620 replstr[1] = NUL; | |
| 1621 | |
| 1622 /* | |
| 1623 * Move the bytes to the end of the buffer, so that we have | |
| 1624 * room to put the result at the start. | |
| 1625 */ | |
| 1626 src = ptr + real_size - size; | |
| 1627 mch_memmove(src, ptr, size); | |
| 7 | 1628 |
| 1629 /* | |
| 595 | 1630 * Do the conversion. |
| 7 | 1631 */ |
| 595 | 1632 dst = ptr; |
| 1633 size = size; | |
| 1634 while (size > 0) | |
| 7 | 1635 { |
| 595 | 1636 found_bad = FALSE; |
| 7 | 1637 |
| 1638 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1639 if (codepage == CP_UTF8) |
| 7 | 1640 { |
| 595 | 1641 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1642 * trailing bytes properly. | |
| 1643 * Get one UTF-8 character from src. */ | |
| 835 | 1644 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1645 if (bytelen > size) |
| 1646 { | |
| 1647 /* Only got some bytes of a character. Normally | |
| 1648 * it's put in "conv_rest", but if it's too long | |
| 1649 * deal with it as if they were illegal bytes. */ | |
| 1650 if (bytelen <= CONV_RESTLEN) | |
| 1651 break; | |
| 1652 | |
| 1653 /* weird overlong byte sequence */ | |
| 1654 bytelen = size; | |
| 1655 found_bad = TRUE; | |
| 1656 } | |
| 1657 else | |
| 1658 { | |
| 799 | 1659 int u8c = utf_ptr2char(src); |
| 1660 | |
| 622 | 1661 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1662 found_bad = TRUE; |
| 1663 ucs2buf[0] = u8c; | |
| 1664 ucs2len = 1; | |
| 1665 } | |
| 7 | 1666 } |
| 595 | 1667 else |
| 7 | 1668 # endif |
| 595 | 1669 { |
| 1670 /* We don't know how long the byte sequence is, try | |
| 1671 * from one to three bytes. */ | |
| 1672 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1673 ++bytelen) | |
| 1674 { | |
| 1675 ucs2len = MultiByteToWideChar(codepage, | |
| 1676 MB_ERR_INVALID_CHARS, | |
| 1677 (LPCSTR)src, bytelen, | |
| 1678 ucs2buf, 3); | |
| 1679 if (ucs2len > 0) | |
| 1680 break; | |
| 1681 } | |
| 1682 if (ucs2len == 0) | |
| 1683 { | |
| 1684 /* If we have only one byte then it's probably an | |
| 1685 * incomplete byte sequence. Otherwise discard | |
| 1686 * one byte as a bad character. */ | |
| 1687 if (size == 1) | |
| 1688 break; | |
| 1689 found_bad = TRUE; | |
| 1690 bytelen = 1; | |
| 1691 } | |
| 1692 } | |
| 1693 | |
| 1694 if (!found_bad) | |
| 7 | 1695 { |
| 595 | 1696 int i; |
| 1697 | |
| 1698 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1699 if (enc_utf8) | |
| 1700 { | |
| 1701 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1702 for (i = 0; i < ucs2len; ++i) | |
| 1703 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1704 } | |
| 1705 else | |
| 1706 { | |
| 1707 BOOL bad = FALSE; | |
| 1708 int dstlen; | |
| 1709 | |
| 1710 /* From UCS-2 to "enc_codepage". If the | |
| 1711 * conversion uses the default character "?", | |
| 1712 * the data doesn't fit in this encoding. */ | |
| 1713 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1714 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1715 (LPSTR)dst, (int)(src - dst), |
| 595 | 1716 replstr, &bad); |
| 1717 if (bad) | |
| 1718 found_bad = TRUE; | |
| 1719 else | |
| 1720 dst += dstlen; | |
| 1721 } | |
| 7 | 1722 } |
| 595 | 1723 |
| 1724 if (found_bad) | |
| 1725 { | |
| 1726 /* Deal with bytes we can't convert. */ | |
| 1727 if (can_retry) | |
| 1728 goto rewind_retry; | |
| 1729 if (conv_error == 0) | |
| 1730 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1731 if (bad_char_behavior != BAD_DROP) | |
| 1732 { | |
| 1733 if (bad_char_behavior == BAD_KEEP) | |
| 1734 { | |
| 1735 mch_memmove(dst, src, bytelen); | |
| 1736 dst += bytelen; | |
| 1737 } | |
| 1738 else | |
| 1739 *dst++ = bad_char_behavior; | |
| 1740 } | |
| 1741 } | |
| 1742 | |
| 1743 src += bytelen; | |
| 1744 size -= bytelen; | |
| 7 | 1745 } |
| 595 | 1746 |
| 1747 if (size > 0) | |
| 7 | 1748 { |
| 595 | 1749 /* An incomplete byte sequence remaining. */ |
| 1750 mch_memmove(conv_rest, src, size); | |
| 1751 conv_restlen = size; | |
| 7 | 1752 } |
| 595 | 1753 |
| 1754 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1755 size = (long)(dst - ptr); |
| 7 | 1756 } |
| 1757 else | |
| 1758 # endif | |
| 765 | 1759 # ifdef MACOS_CONVERT |
| 7 | 1760 if (fio_flags & FIO_MACROMAN) |
| 1761 { | |
| 1762 /* | |
| 1763 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1764 * latin1. This is in os_mac_conv.c. |
| 7 | 1765 */ |
| 18 | 1766 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1767 goto rewind_retry; |
| 1768 } | |
| 1769 else | |
| 1770 # endif | |
| 1771 if (fio_flags != 0) | |
| 1772 { | |
| 1773 int u8c; | |
| 1774 char_u *dest; | |
| 1775 char_u *tail = NULL; | |
| 1776 | |
| 1777 /* | |
| 1778 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1779 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1780 * Go from end to start through the buffer, because the number | |
| 1781 * of bytes may increase. | |
| 1782 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1783 * to after the next character to convert. | |
| 1784 */ | |
| 1785 dest = ptr + real_size; | |
| 1786 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1787 { | |
| 1788 p = ptr + size; | |
| 1789 if (fio_flags == FIO_UTF8) | |
| 1790 { | |
| 1791 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1792 tail = ptr + size - 1; | |
| 1793 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1794 --tail; | |
| 1795 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1796 tail = NULL; | |
| 1797 else | |
| 1798 p = tail; | |
| 1799 } | |
| 1800 } | |
| 1801 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1802 { | |
| 1803 /* Check for a trailing byte */ | |
| 1804 p = ptr + (size & ~1); | |
| 1805 if (size & 1) | |
| 1806 tail = p; | |
| 1807 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1808 { | |
| 1809 /* Check for a trailing leading word */ | |
| 1810 if (fio_flags & FIO_ENDIAN_L) | |
| 1811 { | |
| 1812 u8c = (*--p << 8); | |
| 1813 u8c += *--p; | |
| 1814 } | |
| 1815 else | |
| 1816 { | |
| 1817 u8c = *--p; | |
| 1818 u8c += (*--p << 8); | |
| 1819 } | |
| 1820 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1821 tail = p; | |
| 1822 else | |
| 1823 p += 2; | |
| 1824 } | |
| 1825 } | |
| 1826 else /* FIO_UCS4 */ | |
| 1827 { | |
| 1828 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1829 p = ptr + (size & ~3); | |
| 1830 if (size & 3) | |
| 1831 tail = p; | |
| 1832 } | |
| 1833 | |
| 1834 /* If there is a trailing incomplete sequence move it to | |
| 1835 * conv_rest[]. */ | |
| 1836 if (tail != NULL) | |
| 1837 { | |
| 1838 conv_restlen = (int)((ptr + size) - tail); | |
| 1839 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1840 size -= conv_restlen; | |
| 1841 } | |
| 1842 | |
| 1843 | |
| 1844 while (p > ptr) | |
| 1845 { | |
| 1846 if (fio_flags & FIO_LATIN1) | |
| 1847 u8c = *--p; | |
| 1848 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1849 { | |
| 1850 if (fio_flags & FIO_ENDIAN_L) | |
| 1851 { | |
| 1852 u8c = (*--p << 8); | |
| 1853 u8c += *--p; | |
| 1854 } | |
| 1855 else | |
| 1856 { | |
| 1857 u8c = *--p; | |
| 1858 u8c += (*--p << 8); | |
| 1859 } | |
| 1860 if ((fio_flags & FIO_UTF16) | |
| 1861 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1862 { | |
| 1863 int u16c; | |
| 1864 | |
| 1865 if (p == ptr) | |
| 1866 { | |
| 1867 /* Missing leading word. */ | |
| 1868 if (can_retry) | |
| 1869 goto rewind_retry; | |
| 595 | 1870 if (conv_error == 0) |
| 1871 conv_error = readfile_linenr(linecnt, | |
| 1872 ptr, p); | |
| 1873 if (bad_char_behavior == BAD_DROP) | |
| 1874 continue; | |
| 1875 if (bad_char_behavior != BAD_KEEP) | |
| 1876 u8c = bad_char_behavior; | |
| 7 | 1877 } |
| 1878 | |
| 1879 /* found second word of double-word, get the first | |
| 1880 * word and compute the resulting character */ | |
| 1881 if (fio_flags & FIO_ENDIAN_L) | |
| 1882 { | |
| 1883 u16c = (*--p << 8); | |
| 1884 u16c += *--p; | |
| 1885 } | |
| 1886 else | |
| 1887 { | |
| 1888 u16c = *--p; | |
| 1889 u16c += (*--p << 8); | |
| 1890 } | |
| 595 | 1891 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1892 + (u8c & 0x3ff); | |
| 1893 | |
| 7 | 1894 /* Check if the word is indeed a leading word. */ |
| 1895 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1896 { | |
| 1897 if (can_retry) | |
| 1898 goto rewind_retry; | |
| 595 | 1899 if (conv_error == 0) |
| 1900 conv_error = readfile_linenr(linecnt, | |
| 1901 ptr, p); | |
| 1902 if (bad_char_behavior == BAD_DROP) | |
| 1903 continue; | |
| 1904 if (bad_char_behavior != BAD_KEEP) | |
| 1905 u8c = bad_char_behavior; | |
| 7 | 1906 } |
| 1907 } | |
| 1908 } | |
| 1909 else if (fio_flags & FIO_UCS4) | |
| 1910 { | |
| 1911 if (fio_flags & FIO_ENDIAN_L) | |
| 1912 { | |
| 1913 u8c = (*--p << 24); | |
| 1914 u8c += (*--p << 16); | |
| 1915 u8c += (*--p << 8); | |
| 1916 u8c += *--p; | |
| 1917 } | |
| 1918 else /* big endian */ | |
| 1919 { | |
| 1920 u8c = *--p; | |
| 1921 u8c += (*--p << 8); | |
| 1922 u8c += (*--p << 16); | |
| 1923 u8c += (*--p << 24); | |
| 1924 } | |
| 1925 } | |
| 1926 else /* UTF-8 */ | |
| 1927 { | |
| 1928 if (*--p < 0x80) | |
| 1929 u8c = *p; | |
| 1930 else | |
| 1931 { | |
| 1932 len = utf_head_off(ptr, p); | |
| 595 | 1933 p -= len; |
| 1934 u8c = utf_ptr2char(p); | |
| 7 | 1935 if (len == 0) |
| 1936 { | |
| 1937 /* Not a valid UTF-8 character, retry with | |
| 1938 * another fenc when possible, otherwise just | |
| 1939 * report the error. */ | |
| 1940 if (can_retry) | |
| 1941 goto rewind_retry; | |
| 595 | 1942 if (conv_error == 0) |
| 1943 conv_error = readfile_linenr(linecnt, | |
| 1944 ptr, p); | |
| 1945 if (bad_char_behavior == BAD_DROP) | |
| 1946 continue; | |
| 1947 if (bad_char_behavior != BAD_KEEP) | |
| 1948 u8c = bad_char_behavior; | |
| 7 | 1949 } |
| 1950 } | |
| 1951 } | |
| 1952 if (enc_utf8) /* produce UTF-8 */ | |
| 1953 { | |
| 1954 dest -= utf_char2len(u8c); | |
| 1955 (void)utf_char2bytes(u8c, dest); | |
| 1956 } | |
| 1957 else /* produce Latin1 */ | |
| 1958 { | |
| 1959 --dest; | |
| 1960 if (u8c >= 0x100) | |
| 1961 { | |
| 1962 /* character doesn't fit in latin1, retry with | |
| 1963 * another fenc when possible, otherwise just | |
| 1964 * report the error. */ | |
| 595 | 1965 if (can_retry) |
| 7 | 1966 goto rewind_retry; |
| 595 | 1967 if (conv_error == 0) |
| 1968 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1969 if (bad_char_behavior == BAD_DROP) | |
| 1970 ++dest; | |
| 1971 else if (bad_char_behavior == BAD_KEEP) | |
| 1972 *dest = u8c; | |
| 1973 else if (eap != NULL && eap->bad_char != 0) | |
| 1974 *dest = bad_char_behavior; | |
| 1975 else | |
| 1976 *dest = 0xBF; | |
| 7 | 1977 } |
| 1978 else | |
| 1979 *dest = u8c; | |
| 1980 } | |
| 1981 } | |
| 1982 | |
| 1983 /* move the linerest to before the converted characters */ | |
| 1984 line_start = dest - linerest; | |
| 1985 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1986 size = (long)((ptr + real_size) - dest); | |
| 1987 ptr = dest; | |
| 1988 } | |
| 1597 | 1989 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1990 { | |
| 1991 int incomplete_tail = FALSE; | |
| 1992 | |
| 1993 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1994 for (p = ptr; ; ++p) | |
| 7 | 1995 { |
| 835 | 1996 int todo = (int)((ptr + size) - p); |
| 595 | 1997 int l; |
| 1998 | |
| 1999 if (todo <= 0) | |
| 2000 break; | |
| 7 | 2001 if (*p >= 0x80) |
| 2002 { | |
| 2003 /* A length of 1 means it's an illegal byte. Accept | |
| 2004 * an incomplete character at the end though, the next | |
| 2005 * read() will get the next bytes, we'll check it | |
| 2006 * then. */ | |
| 595 | 2007 l = utf_ptr2len_len(p, todo); |
| 1597 | 2008 if (l > todo && !incomplete_tail) |
| 7 | 2009 { |
| 1597 | 2010 /* Avoid retrying with a different encoding when |
| 2011 * a truncated file is more likely, or attempting | |
| 2012 * to read the rest of an incomplete sequence when | |
| 2013 * we have already done so. */ | |
| 2014 if (p > ptr || filesize > 0) | |
| 2015 incomplete_tail = TRUE; | |
| 2016 /* Incomplete byte sequence, move it to conv_rest[] | |
| 2017 * and try to read the rest of it, unless we've | |
| 2018 * already done so. */ | |
| 2019 if (p > ptr) | |
| 2020 { | |
| 2021 conv_restlen = todo; | |
| 2022 mch_memmove(conv_rest, p, conv_restlen); | |
| 2023 size -= conv_restlen; | |
| 2024 break; | |
| 2025 } | |
| 7 | 2026 } |
| 1597 | 2027 if (l == 1 || l > todo) |
| 595 | 2028 { |
| 2029 /* Illegal byte. If we can try another encoding | |
| 1597 | 2030 * do that, unless at EOF where a truncated |
| 2031 * file is more likely than a conversion error. */ | |
| 2032 if (can_retry && !incomplete_tail) | |
| 595 | 2033 break; |
| 2034 # ifdef USE_ICONV | |
| 2035 /* When we did a conversion report an error. */ | |
| 2036 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2037 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2038 # endif | |
| 1597 | 2039 /* Remember the first linenr with an illegal byte */ |
| 2040 if (conv_error == 0 && illegal_byte == 0) | |
| 2041 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2042 |
| 2043 /* Drop, keep or replace the bad byte. */ | |
| 2044 if (bad_char_behavior == BAD_DROP) | |
| 2045 { | |
| 1597 | 2046 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2047 --p; |
| 2048 --size; | |
| 2049 } | |
| 2050 else if (bad_char_behavior != BAD_KEEP) | |
| 2051 *p = bad_char_behavior; | |
| 2052 } | |
| 1597 | 2053 else |
| 2054 p += l - 1; | |
| 7 | 2055 } |
| 2056 } | |
| 1597 | 2057 if (p < ptr + size && !incomplete_tail) |
| 7 | 2058 { |
| 2059 /* Detected a UTF-8 error. */ | |
| 2060 rewind_retry: | |
| 595 | 2061 /* Retry reading with another conversion. */ |
| 7 | 2062 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2063 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2064 /* iconv() failed, try 'charconvert' */ | |
| 2065 did_iconv = TRUE; | |
| 7 | 2066 else |
| 2067 # endif | |
| 595 | 2068 /* use next item from 'fileencodings' */ |
| 2069 advance_fenc = TRUE; | |
| 2070 file_rewind = TRUE; | |
| 2071 goto retry; | |
| 7 | 2072 } |
| 2073 } | |
| 2074 #endif | |
| 2075 | |
| 2076 /* count the number of characters (after conversion!) */ | |
| 2077 filesize += size; | |
| 2078 | |
| 2079 /* | |
| 2080 * when reading the first part of a file: guess EOL type | |
| 2081 */ | |
| 2082 if (fileformat == EOL_UNKNOWN) | |
| 2083 { | |
| 2084 /* First try finding a NL, for Dos and Unix */ | |
| 2085 if (try_dos || try_unix) | |
| 2086 { | |
| 2087 for (p = ptr; p < ptr + size; ++p) | |
| 2088 { | |
| 2089 if (*p == NL) | |
| 2090 { | |
| 2091 if (!try_unix | |
| 2092 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2093 fileformat = EOL_DOS; | |
| 2094 else | |
| 2095 fileformat = EOL_UNIX; | |
| 2096 break; | |
| 2097 } | |
| 2098 } | |
| 2099 | |
| 2100 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2101 if (fileformat == EOL_UNIX && try_mac) | |
| 2102 { | |
| 2103 /* Need to reset the counters when retrying fenc. */ | |
| 2104 try_mac = 1; | |
| 2105 try_unix = 1; | |
| 2106 for (; p >= ptr && *p != CAR; p--) | |
| 2107 ; | |
| 2108 if (p >= ptr) | |
| 2109 { | |
| 2110 for (p = ptr; p < ptr + size; ++p) | |
| 2111 { | |
| 2112 if (*p == NL) | |
| 2113 try_unix++; | |
| 2114 else if (*p == CAR) | |
| 2115 try_mac++; | |
| 2116 } | |
| 2117 if (try_mac > try_unix) | |
| 2118 fileformat = EOL_MAC; | |
| 2119 } | |
| 2120 } | |
| 2121 } | |
| 2122 | |
| 2123 /* No NL found: may use Mac format */ | |
| 2124 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2125 fileformat = EOL_MAC; | |
| 2126 | |
| 2127 /* Still nothing found? Use first format in 'ffs' */ | |
| 2128 if (fileformat == EOL_UNKNOWN) | |
| 2129 fileformat = default_fileformat(); | |
| 2130 | |
| 2131 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2132 if (set_options) |
| 7 | 2133 set_fileformat(fileformat, OPT_LOCAL); |
| 2134 } | |
| 2135 } | |
| 2136 | |
| 2137 /* | |
| 2138 * This loop is executed once for every character read. | |
| 2139 * Keep it fast! | |
| 2140 */ | |
| 2141 if (fileformat == EOL_MAC) | |
| 2142 { | |
| 2143 --ptr; | |
| 2144 while (++ptr, --size >= 0) | |
| 2145 { | |
| 2146 /* catch most common case first */ | |
| 2147 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2148 continue; | |
| 2149 if (c == NUL) | |
| 2150 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2151 else if (c == NL) | |
| 2152 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2153 else | |
| 2154 { | |
| 2155 if (skip_count == 0) | |
| 2156 { | |
| 2157 *ptr = NUL; /* end of line */ | |
| 2158 len = (colnr_T) (ptr - line_start + 1); | |
| 2159 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2160 { | |
| 2161 error = TRUE; | |
| 2162 break; | |
| 2163 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2164 #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
|
2165 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
|
2166 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
|
2167 #endif |
| 7 | 2168 ++lnum; |
| 2169 if (--read_count == 0) | |
| 2170 { | |
| 2171 error = TRUE; /* break loop */ | |
| 2172 line_start = ptr; /* nothing left to write */ | |
| 2173 break; | |
| 2174 } | |
| 2175 } | |
| 2176 else | |
| 2177 --skip_count; | |
| 2178 line_start = ptr + 1; | |
| 2179 } | |
| 2180 } | |
| 2181 } | |
| 2182 else | |
| 2183 { | |
| 2184 --ptr; | |
| 2185 while (++ptr, --size >= 0) | |
| 2186 { | |
| 2187 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2188 continue; | |
| 2189 if (c == NUL) | |
| 2190 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2191 else | |
| 2192 { | |
| 2193 if (skip_count == 0) | |
| 2194 { | |
| 2195 *ptr = NUL; /* end of line */ | |
| 2196 len = (colnr_T)(ptr - line_start + 1); | |
| 2197 if (fileformat == EOL_DOS) | |
| 2198 { | |
| 2199 if (ptr[-1] == CAR) /* remove CR */ | |
| 2200 { | |
| 2201 ptr[-1] = NUL; | |
| 2202 --len; | |
| 2203 } | |
| 2204 /* | |
| 2205 * Reading in Dos format, but no CR-LF found! | |
| 2206 * When 'fileformats' includes "unix", delete all | |
| 2207 * the lines read so far and start all over again. | |
| 2208 * Otherwise give an error message later. | |
| 2209 */ | |
| 2210 else if (ff_error != EOL_DOS) | |
| 2211 { | |
| 2212 if ( try_unix | |
| 2213 && !read_stdin | |
| 2214 && (read_buffer | |
| 2215 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2216 { | |
| 2217 fileformat = EOL_UNIX; | |
| 819 | 2218 if (set_options) |
| 7 | 2219 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2220 file_rewind = TRUE; | |
| 2221 keep_fileformat = TRUE; | |
| 2222 goto retry; | |
| 2223 } | |
| 2224 ff_error = EOL_DOS; | |
| 2225 } | |
| 2226 } | |
| 2227 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2228 { | |
| 2229 error = TRUE; | |
| 2230 break; | |
| 2231 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2232 #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
|
2233 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
|
2234 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
|
2235 #endif |
| 7 | 2236 ++lnum; |
| 2237 if (--read_count == 0) | |
| 2238 { | |
| 2239 error = TRUE; /* break loop */ | |
| 2240 line_start = ptr; /* nothing left to write */ | |
| 2241 break; | |
| 2242 } | |
| 2243 } | |
| 2244 else | |
| 2245 --skip_count; | |
| 2246 line_start = ptr + 1; | |
| 2247 } | |
| 2248 } | |
| 2249 } | |
| 2250 linerest = (long)(ptr - line_start); | |
| 2251 ui_breakcheck(); | |
| 2252 } | |
| 2253 | |
| 2254 failed: | |
| 2255 /* not an error, max. number of lines reached */ | |
| 2256 if (error && read_count == 0) | |
| 2257 error = FALSE; | |
| 2258 | |
| 2259 /* | |
| 2260 * If we get EOF in the middle of a line, note the fact and | |
| 2261 * complete the line ourselves. | |
| 2262 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2263 */ | |
| 2264 if (!error | |
| 2265 && !got_int | |
| 2266 && linerest != 0 | |
| 2267 && !(!curbuf->b_p_bin | |
| 2268 && fileformat == EOL_DOS | |
| 2269 && *line_start == Ctrl_Z | |
| 2270 && ptr == line_start + 1)) | |
| 2271 { | |
| 819 | 2272 /* remember for when writing */ |
| 2273 if (set_options) | |
| 7 | 2274 curbuf->b_p_eol = FALSE; |
| 2275 *ptr = NUL; | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2276 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
|
2277 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
| 7 | 2278 error = TRUE; |
| 2279 else | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2280 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2281 #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
|
2282 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
|
2283 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
|
2284 #endif |
| 7 | 2285 read_no_eol_lnum = ++lnum; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2286 } |
| 7 | 2287 } |
| 2288 | |
| 819 | 2289 if (set_options) |
| 7 | 2290 save_file_ff(curbuf); /* remember the current file format */ |
| 2291 | |
| 2292 #ifdef FEAT_CRYPT | |
| 2717 | 2293 crypt_method_used = use_crypt_method; |
| 2267 | 2294 if (cryptkey != NULL) |
| 2295 { | |
| 2296 crypt_pop_state(); | |
| 2297 if (cryptkey != curbuf->b_p_key) | |
| 2298 free_crypt_key(cryptkey); | |
| 2299 /* don't set cryptkey to NULL, it's used below as a flag that | |
| 2300 * encryption was used */ | |
| 2301 } | |
| 7 | 2302 #endif |
| 2303 | |
| 2304 #ifdef FEAT_MBYTE | |
| 819 | 2305 /* If editing a new file: set 'fenc' for the current buffer. |
| 2306 * Also for ":read ++edit file". */ | |
| 2307 if (set_options) | |
| 7 | 2308 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2309 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2310 if (fenc_alloced) |
| 2311 vim_free(fenc); | |
| 2312 # ifdef USE_ICONV | |
| 2313 if (iconv_fd != (iconv_t)-1) | |
| 2314 { | |
| 2315 iconv_close(iconv_fd); | |
| 2316 iconv_fd = (iconv_t)-1; | |
| 2317 } | |
| 2318 # endif | |
| 2319 #endif | |
| 2320 | |
| 2321 if (!read_buffer && !read_stdin) | |
| 2322 close(fd); /* errors are ignored */ | |
| 2003 | 2323 #ifdef HAVE_FD_CLOEXEC |
| 2324 else | |
| 2325 { | |
| 2326 int fdflags = fcntl(fd, F_GETFD); | |
| 2327 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2328 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2329 } | |
| 2330 #endif | |
| 7 | 2331 vim_free(buffer); |
| 2332 | |
| 2333 #ifdef HAVE_DUP | |
| 2334 if (read_stdin) | |
| 2335 { | |
| 2336 /* Use stderr for stdin, makes shell commands work. */ | |
| 2337 close(0); | |
| 1757 | 2338 ignored = dup(2); |
| 7 | 2339 } |
| 2340 #endif | |
| 2341 | |
| 2342 #ifdef FEAT_MBYTE | |
| 2343 if (tmpname != NULL) | |
| 2344 { | |
| 2345 mch_remove(tmpname); /* delete converted file */ | |
| 2346 vim_free(tmpname); | |
| 2347 } | |
| 2348 #endif | |
| 2349 --no_wait_return; /* may wait for return now */ | |
| 2350 | |
| 2351 /* | |
| 2352 * In recovery mode everything but autocommands is skipped. | |
| 2353 */ | |
| 2354 if (!recoverymode) | |
| 2355 { | |
| 2356 /* need to delete the last line, which comes from the empty buffer */ | |
| 2357 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2358 { | |
| 2359 #ifdef FEAT_NETBEANS_INTG | |
| 2360 netbeansFireChanges = 0; | |
| 2361 #endif | |
| 2362 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2363 #ifdef FEAT_NETBEANS_INTG | |
| 2364 netbeansFireChanges = 1; | |
| 2365 #endif | |
| 2366 --linecnt; | |
| 2367 } | |
| 2368 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2369 if (filesize == 0) | |
| 2370 linecnt = 0; | |
| 2371 if (newfile || read_buffer) | |
| 1201 | 2372 { |
| 7 | 2373 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2374 #ifdef FEAT_DIFF |
| 2375 /* After reading the text into the buffer the diff info needs to | |
| 2376 * be updated. */ | |
| 2377 diff_invalidate(curbuf); | |
| 2378 #endif | |
| 2379 #ifdef FEAT_FOLDING | |
| 2380 /* All folds in the window are invalid now. Mark them for update | |
| 2381 * before triggering autocommands. */ | |
| 2382 foldUpdateAll(curwin); | |
| 2383 #endif | |
| 2384 } | |
| 7 | 2385 else if (linecnt) /* appended at least one line */ |
| 2386 appended_lines_mark(from, linecnt); | |
| 2387 | |
| 2388 #ifndef ALWAYS_USE_GUI | |
| 2389 /* | |
| 2390 * If we were reading from the same terminal as where messages go, | |
| 2391 * the screen will have been messed up. | |
| 2392 * Switch on raw mode now and clear the screen. | |
| 2393 */ | |
| 2394 if (read_stdin) | |
| 2395 { | |
| 2396 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2397 starttermcap(); | |
| 2398 screenclear(); | |
| 2399 } | |
| 2400 #endif | |
| 2401 | |
| 2402 if (got_int) | |
| 2403 { | |
| 2404 if (!(flags & READ_DUMMY)) | |
| 2405 { | |
| 2406 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2407 if (newfile) | |
| 2408 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2409 } | |
| 2410 msg_scroll = msg_save; | |
| 2411 #ifdef FEAT_VIMINFO | |
| 2412 check_marks_read(); | |
| 2413 #endif | |
| 2414 return OK; /* an interrupt isn't really an error */ | |
| 2415 } | |
| 2416 | |
| 2417 if (!filtering && !(flags & READ_DUMMY)) | |
| 2418 { | |
| 2419 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2420 c = FALSE; | |
| 2421 | |
| 2422 #ifdef UNIX | |
| 2423 # ifdef S_ISFIFO | |
| 2424 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2425 { | |
| 2426 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2427 c = TRUE; | |
| 2428 } | |
| 2429 # else | |
| 2430 # ifdef S_IFIFO | |
| 2431 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2432 { | |
| 2433 STRCAT(IObuff, _("[fifo]")); | |
| 2434 c = TRUE; | |
| 2435 } | |
| 2436 # endif | |
| 2437 # ifdef S_IFSOCK | |
| 2438 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2439 { | |
| 2440 STRCAT(IObuff, _("[socket]")); | |
| 2441 c = TRUE; | |
| 2442 } | |
| 2443 # endif | |
| 2444 # endif | |
| 1313 | 2445 # ifdef OPEN_CHR_FILES |
| 2446 if (S_ISCHR(perm)) /* or character special */ | |
| 2447 { | |
| 2448 STRCAT(IObuff, _("[character special]")); | |
| 2449 c = TRUE; | |
| 2450 } | |
| 2451 # endif | |
| 7 | 2452 #endif |
| 2453 if (curbuf->b_p_ro) | |
| 2454 { | |
| 2455 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2456 c = TRUE; | |
| 2457 } | |
| 2458 if (read_no_eol_lnum) | |
| 2459 { | |
| 2460 msg_add_eol(); | |
| 2461 c = TRUE; | |
| 2462 } | |
| 2463 if (ff_error == EOL_DOS) | |
| 2464 { | |
| 2465 STRCAT(IObuff, _("[CR missing]")); | |
| 2466 c = TRUE; | |
| 2467 } | |
| 2468 if (split) | |
| 2469 { | |
| 2470 STRCAT(IObuff, _("[long lines split]")); | |
| 2471 c = TRUE; | |
| 2472 } | |
| 2473 #ifdef FEAT_MBYTE | |
| 2474 if (notconverted) | |
| 2475 { | |
| 2476 STRCAT(IObuff, _("[NOT converted]")); | |
| 2477 c = TRUE; | |
| 2478 } | |
| 2479 else if (converted) | |
| 2480 { | |
| 2481 STRCAT(IObuff, _("[converted]")); | |
| 2482 c = TRUE; | |
| 2483 } | |
| 2484 #endif | |
| 2485 #ifdef FEAT_CRYPT | |
| 2486 if (cryptkey != NULL) | |
| 2487 { | |
| 2717 | 2488 if (crypt_method_used == 1) |
| 2489 STRCAT(IObuff, _("[blowfish]")); | |
| 2490 else | |
| 2491 STRCAT(IObuff, _("[crypted]")); | |
| 7 | 2492 c = TRUE; |
| 2493 } | |
| 2494 #endif | |
| 2495 #ifdef FEAT_MBYTE | |
| 595 | 2496 if (conv_error != 0) |
| 2497 { | |
| 2498 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2499 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2500 c = TRUE; |
| 2501 } | |
| 2502 else if (illegal_byte > 0) | |
| 2503 { | |
| 2504 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2505 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2506 c = TRUE; | |
| 2507 } | |
| 2508 else | |
| 2509 #endif | |
| 2510 if (error) | |
| 2511 { | |
| 2512 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2513 c = TRUE; | |
| 2514 } | |
| 2515 if (msg_add_fileformat(fileformat)) | |
| 2516 c = TRUE; | |
| 2517 #ifdef FEAT_CRYPT | |
| 2518 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
|
2519 msg_add_lines(c, (long)linecnt, filesize |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2520 - CRYPT_MAGIC_LEN |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2521 - crypt_salt_len[use_crypt_method] |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2522 - crypt_seed_len[use_crypt_method]); |
| 7 | 2523 else |
| 2524 #endif | |
| 2525 msg_add_lines(c, (long)linecnt, filesize); | |
| 2526 | |
| 2527 vim_free(keep_msg); | |
| 2528 keep_msg = NULL; | |
| 2529 msg_scrolled_ign = TRUE; | |
| 2530 #ifdef ALWAYS_USE_GUI | |
| 2531 /* Don't show the message when reading stdin, it would end up in a | |
| 2532 * message box (which might be shown when exiting!) */ | |
| 2533 if (read_stdin || read_buffer) | |
| 2534 p = msg_may_trunc(FALSE, IObuff); | |
| 2535 else | |
| 2536 #endif | |
| 2537 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2538 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2539 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2540 /* Need to repeat the message after redrawing when: |
| 2541 * - When reading from stdin (the screen will be cleared next). | |
| 2542 * - When restart_edit is set (otherwise there will be a delay | |
| 2543 * before redrawing). | |
| 2544 * - When the screen was scrolled but there is no wait-return | |
| 2545 * prompt. */ | |
| 679 | 2546 set_keep_msg(p, 0); |
| 7 | 2547 msg_scrolled_ign = FALSE; |
| 2548 } | |
| 2549 | |
| 2550 /* with errors writing the file requires ":w!" */ | |
| 2551 if (newfile && (error | |
| 2552 #ifdef FEAT_MBYTE | |
| 595 | 2553 || conv_error != 0 |
| 679 | 2554 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2555 #endif |
| 2556 )) | |
| 2557 curbuf->b_p_ro = TRUE; | |
| 2558 | |
| 2559 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2560 | |
| 2561 /* | |
| 2562 * In Ex mode: cursor at last new line. | |
| 2563 * Otherwise: cursor at first new line. | |
| 2564 */ | |
| 2565 if (exmode_active) | |
| 2566 curwin->w_cursor.lnum = from + linecnt; | |
| 2567 else | |
| 2568 curwin->w_cursor.lnum = from + 1; | |
| 2569 check_cursor_lnum(); | |
| 2570 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2571 | |
| 2572 /* | |
| 2573 * Set '[ and '] marks to the newly read lines. | |
| 2574 */ | |
| 2575 curbuf->b_op_start.lnum = from + 1; | |
| 2576 curbuf->b_op_start.col = 0; | |
| 2577 curbuf->b_op_end.lnum = from + linecnt; | |
| 2578 curbuf->b_op_end.col = 0; | |
| 696 | 2579 |
| 2580 #ifdef WIN32 | |
| 2581 /* | |
| 2582 * Work around a weird problem: When a file has two links (only | |
| 2583 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2584 * through the other link, the timestamp information may be wrong. |
| 696 | 2585 * It's correct again after reading the file, thus reset the timestamp |
| 2586 * here. | |
| 2587 */ | |
| 2588 if (newfile && !read_stdin && !read_buffer | |
| 2589 && mch_stat((char *)fname, &st) >= 0) | |
| 2590 { | |
| 2591 buf_store_time(curbuf, &st, fname); | |
| 2592 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2593 } | |
| 2594 #endif | |
| 7 | 2595 } |
| 2596 msg_scroll = msg_save; | |
| 2597 | |
| 2598 #ifdef FEAT_VIMINFO | |
| 2599 /* | |
| 2600 * Get the marks before executing autocommands, so they can be used there. | |
| 2601 */ | |
| 2602 check_marks_read(); | |
| 2603 #endif | |
| 2604 | |
| 2605 /* | |
| 2606 * Trick: We remember if the last line of the read didn't have | |
| 2707 | 2607 * an eol even when 'binary' is off, for when writing it again with |
| 2608 * 'binary' on. This is required for | |
| 7 | 2609 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. |
| 2610 */ | |
| 2707 | 2611 curbuf->b_no_eol_lnum = read_no_eol_lnum; |
| 7 | 2612 |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2613 /* When reloading a buffer put the cursor at the first line that is |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2614 * different. */ |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2615 if (flags & READ_KEEP_UNDO) |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2616 u_find_first_changed(); |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2617 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2618 #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
|
2619 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2620 * 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
|
2621 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2622 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
|
2623 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2624 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
|
2625 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2626 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
|
2627 u_read_undo(NULL, hash, fname); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2628 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2629 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2630 |
| 167 | 2631 #ifdef FEAT_AUTOCMD |
| 7 | 2632 if (!read_stdin && !read_buffer) |
| 2633 { | |
| 2634 int m = msg_scroll; | |
| 2635 int n = msg_scrolled; | |
| 2636 | |
| 2637 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2638 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2639 if (set_options) |
| 7 | 2640 save_file_ff(curbuf); |
| 2641 | |
| 2642 /* | |
| 2643 * The output from the autocommands should not overwrite anything and | |
| 2644 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2645 * output was done. | |
| 2646 */ | |
| 2647 msg_scroll = TRUE; | |
| 2648 if (filtering) | |
| 2649 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2650 FALSE, curbuf, eap); | |
| 2651 else if (newfile) | |
| 2652 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2653 FALSE, curbuf, eap); | |
| 2654 else | |
| 2655 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2656 FALSE, NULL, eap); | |
| 2657 if (msg_scrolled == n) | |
| 2658 msg_scroll = m; | |
| 2707 | 2659 # ifdef FEAT_EVAL |
| 7 | 2660 if (aborting()) /* autocmds may abort script processing */ |
| 2661 return FAIL; | |
| 2707 | 2662 # endif |
| 2663 } | |
| 2664 #endif | |
| 2665 | |
| 2666 /* Reset now, following writes should not omit the EOL. Also, the line | |
| 2667 * number will become invalid because of edits. */ | |
| 2668 curbuf->b_no_eol_lnum = 0; | |
| 7 | 2669 |
| 2670 if (recoverymode && error) | |
| 2671 return FAIL; | |
| 2672 return OK; | |
| 2673 } | |
| 2674 | |
| 1313 | 2675 #ifdef OPEN_CHR_FILES |
| 2676 /* | |
| 2677 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2678 * which is the name of files used for process substitution output by | |
| 2679 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2680 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2681 */ | |
| 2682 static int | |
| 2683 is_dev_fd_file(fname) | |
| 2684 char_u *fname; | |
| 2685 { | |
| 2686 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2687 && VIM_ISDIGIT(fname[8]) | |
| 2688 && *skipdigits(fname + 9) == NUL | |
| 2689 && (fname[9] != NUL | |
| 2690 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2691 } | |
| 2692 #endif | |
| 2693 | |
| 595 | 2694 #ifdef FEAT_MBYTE |
| 2695 | |
| 2696 /* | |
| 2697 * From the current line count and characters read after that, estimate the | |
| 2698 * line number where we are now. | |
| 2699 * Used for error messages that include a line number. | |
| 2700 */ | |
| 2701 static linenr_T | |
| 2702 readfile_linenr(linecnt, p, endp) | |
| 2703 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2704 char_u *p; /* start of more bytes read */ | |
| 2705 char_u *endp; /* end of more bytes read */ | |
| 2706 { | |
| 2707 char_u *s; | |
| 2708 linenr_T lnum; | |
| 2709 | |
| 2710 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2711 for (s = p; s < endp; ++s) | |
| 2712 if (*s == '\n') | |
| 2713 ++lnum; | |
| 2714 return lnum; | |
| 2715 } | |
| 2716 #endif | |
| 2717 | |
| 7 | 2718 /* |
| 612 | 2719 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2720 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2721 * Returns OK or FAIL. |
| 2722 */ | |
| 2723 int | |
| 2724 prep_exarg(eap, buf) | |
| 2725 exarg_T *eap; | |
| 2726 buf_T *buf; | |
| 2727 { | |
| 2728 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2729 #ifdef FEAT_MBYTE | |
| 2730 + STRLEN(buf->b_p_fenc) | |
| 2731 #endif | |
| 2732 + 15)); | |
| 2733 if (eap->cmd == NULL) | |
| 2734 return FAIL; | |
| 2735 | |
| 2736 #ifdef FEAT_MBYTE | |
| 2737 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2738 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2739 eap->bad_char = buf->b_bad_char; |
| 7 | 2740 #else |
| 2741 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2742 #endif | |
| 2743 eap->force_ff = 7; | |
| 612 | 2744 |
| 2745 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2746 eap->read_edit = FALSE; |
| 612 | 2747 eap->forceit = FALSE; |
| 7 | 2748 return OK; |
| 2749 } | |
| 2750 | |
| 2751 #ifdef FEAT_MBYTE | |
| 2752 /* | |
| 2753 * Find next fileencoding to use from 'fileencodings'. | |
| 2754 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2755 * When there are no more items, an empty string is returned and *pp is set to | |
| 2756 * NULL. | |
| 2757 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2758 */ | |
| 2759 static char_u * | |
| 2760 next_fenc(pp) | |
| 2761 char_u **pp; | |
| 2762 { | |
| 2763 char_u *p; | |
| 2764 char_u *r; | |
| 2765 | |
| 2766 if (**pp == NUL) | |
| 2767 { | |
| 2768 *pp = NULL; | |
| 2769 return (char_u *)""; | |
| 2770 } | |
| 2771 p = vim_strchr(*pp, ','); | |
| 2772 if (p == NULL) | |
| 2773 { | |
| 2774 r = enc_canonize(*pp); | |
| 2775 *pp += STRLEN(*pp); | |
| 2776 } | |
| 2777 else | |
| 2778 { | |
| 2779 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2780 *pp = p + 1; | |
| 2781 if (r != NULL) | |
| 2782 { | |
| 2783 p = enc_canonize(r); | |
| 2784 vim_free(r); | |
| 2785 r = p; | |
| 2786 } | |
| 2787 } | |
| 2788 if (r == NULL) /* out of memory */ | |
| 2789 { | |
| 2790 r = (char_u *)""; | |
| 2791 *pp = NULL; | |
| 2792 } | |
| 2793 return r; | |
| 2794 } | |
| 2795 | |
| 2796 # ifdef FEAT_EVAL | |
| 2797 /* | |
| 2798 * Convert a file with the 'charconvert' expression. | |
| 2799 * This closes the file which is to be read, converts it and opens the | |
| 2800 * resulting file for reading. | |
| 2801 * Returns name of the resulting converted file (the caller should delete it | |
| 2802 * after reading it). | |
| 2803 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2804 */ | |
| 2805 static char_u * | |
| 2806 readfile_charconvert(fname, fenc, fdp) | |
| 2807 char_u *fname; /* name of input file */ | |
| 2808 char_u *fenc; /* converted from */ | |
| 2809 int *fdp; /* in/out: file descriptor of file */ | |
| 2810 { | |
| 2811 char_u *tmpname; | |
| 2812 char_u *errmsg = NULL; | |
| 2813 | |
| 2814 tmpname = vim_tempname('r'); | |
| 2815 if (tmpname == NULL) | |
| 2816 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2817 else | |
| 2818 { | |
| 2819 close(*fdp); /* close the input file, ignore errors */ | |
| 2820 *fdp = -1; | |
| 2821 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2822 fname, tmpname) == FAIL) | |
| 2823 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2824 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2825 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2826 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2827 } | |
| 2828 | |
| 2829 if (errmsg != NULL) | |
| 2830 { | |
| 2831 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2832 * another type of conversion might still work. */ | |
| 2833 MSG(errmsg); | |
| 2834 if (tmpname != NULL) | |
| 2835 { | |
| 2836 mch_remove(tmpname); /* delete converted file */ | |
| 2837 vim_free(tmpname); | |
| 2838 tmpname = NULL; | |
| 2839 } | |
| 2840 } | |
| 2841 | |
| 2842 /* If the input file is closed, open it (caller should check for error). */ | |
| 2843 if (*fdp < 0) | |
| 2844 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2845 | |
| 2846 return tmpname; | |
| 2847 } | |
| 2848 # endif | |
| 2849 | |
| 2850 #endif | |
| 2851 | |
| 2852 #ifdef FEAT_VIMINFO | |
| 2853 /* | |
| 2854 * Read marks for the current buffer from the viminfo file, when we support | |
| 2855 * buffer marks and the buffer has a name. | |
| 2856 */ | |
| 2857 static void | |
| 2858 check_marks_read() | |
| 2859 { | |
| 2860 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2861 && curbuf->b_ffname != NULL) | |
| 1733 | 2862 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2863 |
| 2864 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2865 * the ' parameter after opening a buffer. */ | |
| 2866 curbuf->b_marks_read = TRUE; | |
| 2867 } | |
| 2868 #endif | |
| 2869 | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2870 #if defined(FEAT_CRYPT) || defined(PROTO) |
| 7 | 2871 /* |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2872 * 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
|
2873 * 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
|
2874 * 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
|
2875 */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2876 static int |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2877 crypt_method_from_magic(ptr, len) |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2878 char *ptr; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2879 int len; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2880 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2881 int i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2882 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2883 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:
2147
diff
changeset
|
2884 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2885 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
|
2886 continue; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2887 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
|
2888 return i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2889 } |
|
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
|
2890 |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
2891 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
|
2892 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
|
2893 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
|
2894 |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2895 return -1; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2896 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2897 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2898 /* |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2899 * Check for magic number used for encryption. Applies to the current buffer. |
| 7 | 2900 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
| 2901 * *filesizep are updated. | |
| 2902 * Return the (new) encryption key, NULL for no encryption. | |
| 2903 */ | |
| 2904 static char_u * | |
| 2267 | 2905 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, fname, did_ask) |
| 7 | 2906 char_u *cryptkey; /* previous encryption key or NULL */ |
| 2907 char_u *ptr; /* pointer to read bytes */ | |
| 2908 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
|
2909 off_t *filesizep; /* nr of bytes used from file */ |
| 7 | 2910 int newfile; /* editing a new buffer */ |
| 2267 | 2911 char_u *fname; /* file name to display */ |
|
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
|
2912 int *did_ask; /* flag: whether already asked for key */ |
| 7 | 2913 { |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2914 int method = crypt_method_from_magic((char *)ptr, *sizep); |
|
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 { |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2918 set_crypt_method(curbuf, method); |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2919 if (method > 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2920 (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
|
2921 if (cryptkey == NULL && !*did_ask) |
| 7 | 2922 { |
| 2923 if (*curbuf->b_p_key) | |
| 2924 cryptkey = curbuf->b_p_key; | |
| 2925 else | |
| 2926 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2927 /* 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
|
2928 * 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
|
2929 * 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
|
2930 * Happens when retrying to detect encoding. */ |
| 2267 | 2931 smsg((char_u *)_(need_key_msg), fname); |
| 2932 msg_scroll = TRUE; | |
| 7 | 2933 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
|
2934 *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
|
2935 |
| 7 | 2936 /* check if empty key entered */ |
| 2937 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2938 { | |
| 2939 if (cryptkey != curbuf->b_p_key) | |
| 2940 vim_free(cryptkey); | |
| 2941 cryptkey = NULL; | |
| 2942 } | |
| 2943 } | |
| 2944 } | |
| 2945 | |
| 2946 if (cryptkey != NULL) | |
| 2947 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2948 int seed_len = crypt_seed_len[method]; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2949 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
|
2950 |
| 2267 | 2951 crypt_push_state(); |
| 2952 use_crypt_method = method; | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2953 if (method == 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2954 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
|
2955 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2956 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2957 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
|
2958 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
|
2959 } |
| 7 | 2960 |
| 2961 /* Remove magic number from the text */ | |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2962 *filesizep += CRYPT_MAGIC_LEN + salt_len + seed_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2963 *sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len; |
| 2267 | 2964 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len, |
| 2965 (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
|
2966 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2967 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2968 /* 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
|
2969 * the 'key' option, except when starting up (called with -x argument) */ |
|
2410
8f6106dd3d12
Fix: editing a not encrypted file after a crypted file messed up reading the
Bram Moolenaar <bram@vim.org>
parents:
2394
diff
changeset
|
2970 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
| 7 | 2971 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
| 2972 | |
| 2973 return cryptkey; | |
| 2974 } | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2975 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2976 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2977 * 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
|
2978 * 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
|
2979 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2980 int |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2981 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
|
2982 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
|
2983 { |
|
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 method; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2985 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
|
2986 + 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
|
2987 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2988 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
|
2989 return FAIL; |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2990 method = crypt_method_from_magic((char *)buffer, |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2991 CRYPT_MAGIC_LEN + |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2992 CRYPT_SEED_LEN_MAX + |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2993 CRYPT_SALT_LEN_MAX); |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2994 if (method < 0 || method != get_crypt_method(curbuf)) |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2995 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
|
2996 |
| 2267 | 2997 crypt_push_state(); |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2998 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
|
2999 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
|
3000 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3001 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3002 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
|
3003 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
|
3004 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3005 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
|
3006 return FAIL; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3007 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
|
3008 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
|
3009 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3010 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
|
3011 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3012 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3013 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3014 * 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
|
3015 * Returns a pointer to an allocated header of length "*lenp". |
| 2267 | 3016 * When out of memory returns NULL. |
| 3017 * Otherwise calls crypt_push_state(), call crypt_pop_state() later. | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3018 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3019 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
|
3020 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
|
3021 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
|
3022 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
|
3023 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3024 char_u *header; |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3025 int seed_len = crypt_seed_len[get_crypt_method(buf)]; |
|
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3026 int salt_len = crypt_salt_len[get_crypt_method(buf)]; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3027 char_u *salt; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3028 char_u *seed; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3029 |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3030 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
|
3031 + 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
|
3032 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
|
3033 { |
| 2267 | 3034 crypt_push_state(); |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3035 use_crypt_method = get_crypt_method(buf); /* select zip or blowfish */ |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3036 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
|
3037 CRYPT_MAGIC_LEN); |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
3038 if (use_crypt_method == 0) |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3039 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
|
3040 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3041 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3042 /* Using blowfish, add salt and seed. */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3043 salt = header + CRYPT_MAGIC_LEN; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3044 seed = salt + salt_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3045 sha2_seed(salt, salt_len, seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3046 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
|
3047 bf_ofb_init(seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3048 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3049 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3050 *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
|
3051 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
|
3052 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3053 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3054 #endif /* FEAT_CRYPT */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3055 |
| 7 | 3056 #ifdef UNIX |
| 3057 static void | |
| 3058 set_file_time(fname, atime, mtime) | |
| 3059 char_u *fname; | |
| 3060 time_t atime; /* access time */ | |
| 3061 time_t mtime; /* modification time */ | |
| 3062 { | |
| 3063 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 3064 struct utimbuf buf; | |
| 3065 | |
| 3066 buf.actime = atime; | |
| 3067 buf.modtime = mtime; | |
| 3068 (void)utime((char *)fname, &buf); | |
| 3069 # else | |
| 3070 # if defined(HAVE_UTIMES) | |
| 3071 struct timeval tvp[2]; | |
| 3072 | |
| 3073 tvp[0].tv_sec = atime; | |
| 3074 tvp[0].tv_usec = 0; | |
| 3075 tvp[1].tv_sec = mtime; | |
| 3076 tvp[1].tv_usec = 0; | |
| 3077 # ifdef NeXT | |
| 3078 (void)utimes((char *)fname, tvp); | |
| 3079 # else | |
| 3080 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 3081 # endif | |
| 3082 # endif | |
| 3083 # endif | |
| 3084 } | |
| 3085 #endif /* UNIX */ | |
| 3086 | |
| 22 | 3087 #if defined(VMS) && !defined(MIN) |
| 3088 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 3089 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 3090 #endif | |
| 3091 | |
| 7 | 3092 /* |
| 1303 | 3093 * Return TRUE if a file appears to be read-only from the file permissions. |
| 3094 */ | |
| 3095 int | |
| 3096 check_file_readonly(fname, perm) | |
| 3097 char_u *fname; /* full path to file */ | |
| 3098 int perm; /* known permissions on file */ | |
| 3099 { | |
| 3100 #ifndef USE_MCH_ACCESS | |
| 3101 int fd = 0; | |
| 3102 #endif | |
| 3103 | |
| 3104 return ( | |
| 3105 #ifdef USE_MCH_ACCESS | |
| 3106 # ifdef UNIX | |
| 3107 (perm & 0222) == 0 || | |
| 3108 # endif | |
| 3109 mch_access((char *)fname, W_OK) | |
| 3110 #else | |
| 3111 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 3112 ? TRUE : (close(fd), FALSE) | |
| 3113 #endif | |
| 3114 ); | |
| 3115 } | |
| 3116 | |
| 3117 | |
| 3118 /* | |
| 589 | 3119 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 3120 * |
| 3121 * We do our own buffering here because fwrite() is so slow. | |
| 3122 * | |
| 589 | 3123 * If "forceit" is true, we don't care for errors when attempting backups. |
| 3124 * In case of an error everything possible is done to restore the original | |
| 1698 | 3125 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 3126 * |
| 3127 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 3128 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 3129 * |
| 3130 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 3131 * | |
| 3132 * return FAIL for failure, OK otherwise | |
| 3133 */ | |
| 3134 int | |
| 3135 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 3136 reset_changed, filtering) | |
| 3137 buf_T *buf; | |
| 3138 char_u *fname; | |
| 3139 char_u *sfname; | |
| 3140 linenr_T start, end; | |
| 3141 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 3142 NULL! */ | |
| 589 | 3143 int append; /* append to the file */ |
| 7 | 3144 int forceit; |
| 3145 int reset_changed; | |
| 3146 int filtering; | |
| 3147 { | |
| 3148 int fd; | |
| 3149 char_u *backup = NULL; | |
| 3150 int backup_copy = FALSE; /* copy the original file? */ | |
| 3151 int dobackup; | |
| 3152 char_u *ffname; | |
| 3153 char_u *wfname = NULL; /* name of file to write to */ | |
| 3154 char_u *s; | |
| 3155 char_u *ptr; | |
| 3156 char_u c; | |
| 3157 int len; | |
| 3158 linenr_T lnum; | |
| 3159 long nchars; | |
| 3160 char_u *errmsg = NULL; | |
| 1947 | 3161 int errmsg_allocated = FALSE; |
| 7 | 3162 char_u *errnum = NULL; |
| 3163 char_u *buffer; | |
| 3164 char_u smallbuf[SMBUFSIZE]; | |
| 3165 char_u *backup_ext; | |
| 3166 int bufsize; | |
| 3167 long perm; /* file permissions */ | |
| 3168 int retval = OK; | |
| 3169 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 3170 int msg_save = msg_scroll; | |
| 3171 int overwriting; /* TRUE if writing over original */ | |
| 3172 int no_eol = FALSE; /* no end-of-line written */ | |
| 3173 int device = FALSE; /* writing to a device */ | |
| 3174 struct stat st_old; | |
| 3175 int prev_got_int = got_int; | |
| 3176 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 3177 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 3178 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 3179 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 3180 #endif | |
| 3181 /* writing everything */ | |
| 3182 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 3183 #ifdef FEAT_AUTOCMD | |
| 3184 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 3185 #endif | |
| 3186 int attr; | |
| 3187 int fileformat; | |
| 3188 int write_bin; | |
| 3189 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 3190 #ifdef FEAT_MBYTE | |
| 3191 int converted = FALSE; | |
| 3192 int notconverted = FALSE; | |
| 3193 char_u *fenc; /* effective 'fileencoding' */ | |
| 3194 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 3195 #endif | |
| 3196 #ifdef HAS_BW_FLAGS | |
| 3197 int wb_flags = 0; | |
| 3198 #endif | |
| 3199 #ifdef HAVE_ACL | |
| 3200 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 3201 backup or new file */ | |
| 3202 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3203 #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
|
3204 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
|
3205 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
|
3206 #endif |
| 2717 | 3207 #ifdef FEAT_CRYPT |
| 3208 int crypt_method_used; | |
| 3209 #endif | |
| 7 | 3210 |
| 3211 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 3212 return FAIL; | |
| 2028 | 3213 if (buf->b_ml.ml_mfp == NULL) |
| 3214 { | |
| 3215 /* This can happen during startup when there is a stray "w" in the | |
| 3216 * vimrc file. */ | |
| 3217 EMSG(_(e_emptybuf)); | |
| 3218 return FAIL; | |
| 3219 } | |
| 7 | 3220 |
| 3221 /* | |
| 3222 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3223 * security reasons. | |
| 3224 */ | |
| 3225 if (check_secure()) | |
| 3226 return FAIL; | |
| 3227 | |
| 3228 /* Avoid a crash for a long name. */ | |
| 3229 if (STRLEN(fname) >= MAXPATHL) | |
| 3230 { | |
| 3231 EMSG(_(e_longname)); | |
| 3232 return FAIL; | |
| 3233 } | |
| 3234 | |
| 3235 #ifdef FEAT_MBYTE | |
| 3236 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3237 write_info.bw_conv_buf = NULL; | |
| 3238 write_info.bw_conv_error = FALSE; | |
| 1947 | 3239 write_info.bw_conv_error_lnum = 0; |
| 7 | 3240 write_info.bw_restlen = 0; |
| 3241 # ifdef USE_ICONV | |
| 3242 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3243 # endif | |
| 3244 #endif | |
| 3245 | |
| 167 | 3246 /* After writing a file changedtick changes but we don't want to display |
| 3247 * the line. */ | |
| 3248 ex_no_reprint = TRUE; | |
| 3249 | |
| 7 | 3250 /* |
| 3251 * If there is no file name yet, use the one for the written file. | |
| 3252 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3253 * Don't do this when the write is for a filter command. | |
| 589 | 3254 * Don't do this when appending. |
| 3255 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3256 */ |
| 633 | 3257 if (buf->b_ffname == NULL |
| 3258 && reset_changed | |
| 7 | 3259 && whole |
| 3260 && buf == curbuf | |
| 236 | 3261 #ifdef FEAT_QUICKFIX |
| 3262 && !bt_nofile(buf) | |
| 3263 #endif | |
| 7 | 3264 && !filtering |
| 589 | 3265 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3266 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3267 { | |
| 633 | 3268 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3269 return FAIL; |
| 633 | 3270 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3271 } |
| 3272 | |
| 3273 if (sfname == NULL) | |
| 3274 sfname = fname; | |
| 3275 /* | |
| 3276 * For Unix: Use the short file name whenever possible. | |
| 3277 * Avoids problems with networks and when directory names are changed. | |
| 3278 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3279 * another directory, which we don't detect | |
| 3280 */ | |
| 3281 ffname = fname; /* remember full fname */ | |
| 3282 #ifdef UNIX | |
| 3283 fname = sfname; | |
| 3284 #endif | |
| 3285 | |
| 3286 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3287 overwriting = TRUE; | |
| 3288 else | |
| 3289 overwriting = FALSE; | |
| 3290 | |
| 3291 if (exiting) | |
| 3292 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
| 3293 | |
| 3294 ++no_wait_return; /* don't wait for return yet */ | |
| 3295 | |
| 3296 /* | |
| 3297 * Set '[ and '] marks to the lines to be written. | |
| 3298 */ | |
| 3299 buf->b_op_start.lnum = start; | |
| 3300 buf->b_op_start.col = 0; | |
| 3301 buf->b_op_end.lnum = end; | |
| 3302 buf->b_op_end.col = 0; | |
| 3303 | |
| 3304 #ifdef FEAT_AUTOCMD | |
| 3305 { | |
| 3306 aco_save_T aco; | |
| 3307 int buf_ffname = FALSE; | |
| 3308 int buf_sfname = FALSE; | |
| 3309 int buf_fname_f = FALSE; | |
| 3310 int buf_fname_s = FALSE; | |
| 3311 int did_cmd = FALSE; | |
| 17 | 3312 int nofile_err = FALSE; |
| 161 | 3313 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3314 |
| 3315 /* | |
| 3316 * Apply PRE aucocommands. | |
| 3317 * Set curbuf to the buffer to be written. | |
| 3318 * Careful: The autocommands may call buf_write() recursively! | |
| 3319 */ | |
| 3320 if (ffname == buf->b_ffname) | |
| 3321 buf_ffname = TRUE; | |
| 3322 if (sfname == buf->b_sfname) | |
| 3323 buf_sfname = TRUE; | |
| 3324 if (fname == buf->b_ffname) | |
| 3325 buf_fname_f = TRUE; | |
| 3326 if (fname == buf->b_sfname) | |
| 3327 buf_fname_s = TRUE; | |
| 3328 | |
| 3329 /* set curwin/curbuf to buf and save a few things */ | |
| 3330 aucmd_prepbuf(&aco, buf); | |
| 3331 | |
| 3332 if (append) | |
| 3333 { | |
| 3334 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3335 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3336 { |
| 635 | 3337 #ifdef FEAT_QUICKFIX |
| 18 | 3338 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3339 nofile_err = TRUE; |
| 3340 else | |
| 635 | 3341 #endif |
| 17 | 3342 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3343 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3344 } |
| 7 | 3345 } |
| 3346 else if (filtering) | |
| 3347 { | |
| 3348 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3349 NULL, sfname, FALSE, curbuf, eap); | |
| 3350 } | |
| 3351 else if (reset_changed && whole) | |
| 3352 { | |
| 3353 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3354 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3355 { |
| 635 | 3356 #ifdef FEAT_QUICKFIX |
| 179 | 3357 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3358 nofile_err = TRUE; |
| 3359 else | |
| 635 | 3360 #endif |
| 17 | 3361 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3362 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3363 } |
| 7 | 3364 } |
| 3365 else | |
| 3366 { | |
| 3367 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3368 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3369 { |
| 635 | 3370 #ifdef FEAT_QUICKFIX |
| 179 | 3371 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3372 nofile_err = TRUE; |
| 3373 else | |
| 635 | 3374 #endif |
| 17 | 3375 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3376 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3377 } |
| 7 | 3378 } |
| 3379 | |
| 3380 /* restore curwin/curbuf and a few other things */ | |
| 3381 aucmd_restbuf(&aco); | |
| 3382 | |
| 3383 /* | |
| 3384 * In three situations we return here and don't write the file: | |
| 3385 * 1. the autocommands deleted or unloaded the buffer. | |
| 3386 * 2. The autocommands abort script processing. | |
| 3387 * 3. If one of the "Cmd" autocommands was executed. | |
| 3388 */ | |
| 3389 if (!buf_valid(buf)) | |
| 3390 buf = NULL; | |
| 161 | 3391 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3392 || did_cmd || nofile_err |
| 3393 #ifdef FEAT_EVAL | |
| 3394 || aborting() | |
| 3395 #endif | |
| 3396 ) | |
| 7 | 3397 { |
| 3398 --no_wait_return; | |
| 3399 msg_scroll = msg_save; | |
| 17 | 3400 if (nofile_err) |
| 3401 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3402 | |
| 532 | 3403 if (nofile_err |
| 3404 #ifdef FEAT_EVAL | |
| 3405 || aborting() | |
| 3406 #endif | |
| 3407 ) | |
| 7 | 3408 /* An aborting error, interrupt or exception in the |
| 3409 * autocommands. */ | |
| 3410 return FAIL; | |
| 3411 if (did_cmd) | |
| 3412 { | |
| 3413 if (buf == NULL) | |
| 3414 /* The buffer was deleted. We assume it was written | |
| 3415 * (can't retry anyway). */ | |
| 3416 return OK; | |
| 3417 if (overwriting) | |
| 3418 { | |
| 3419 /* Assume the buffer was written, update the timestamp. */ | |
| 3420 ml_timestamp(buf); | |
| 589 | 3421 if (append) |
| 3422 buf->b_flags &= ~BF_NEW; | |
| 3423 else | |
| 3424 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3425 } |
| 589 | 3426 if (reset_changed && buf->b_changed && !append |
| 39 | 3427 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3428 /* Buffer still changed, the autocommands didn't work |
| 3429 * properly. */ | |
| 3430 return FAIL; | |
| 3431 return OK; | |
| 3432 } | |
| 3433 #ifdef FEAT_EVAL | |
| 3434 if (!aborting()) | |
| 3435 #endif | |
| 3436 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3437 return FAIL; | |
| 3438 } | |
| 3439 | |
| 3440 /* | |
| 3441 * The autocommands may have changed the number of lines in the file. | |
| 3442 * When writing the whole file, adjust the end. | |
| 3443 * When writing part of the file, assume that the autocommands only | |
| 3444 * changed the number of lines that are to be written (tricky!). | |
| 3445 */ | |
| 3446 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3447 { | |
| 3448 if (whole) /* write all */ | |
| 3449 end = buf->b_ml.ml_line_count; | |
| 3450 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3451 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3452 else /* less lines */ | |
| 3453 { | |
| 3454 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3455 if (end < start) | |
| 3456 { | |
| 3457 --no_wait_return; | |
| 3458 msg_scroll = msg_save; | |
| 3459 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3460 return FAIL; | |
| 3461 } | |
| 3462 } | |
| 3463 } | |
| 3464 | |
| 3465 /* | |
| 3466 * The autocommands may have changed the name of the buffer, which may | |
| 3467 * be kept in fname, ffname and sfname. | |
| 3468 */ | |
| 3469 if (buf_ffname) | |
| 3470 ffname = buf->b_ffname; | |
| 3471 if (buf_sfname) | |
| 3472 sfname = buf->b_sfname; | |
| 3473 if (buf_fname_f) | |
| 3474 fname = buf->b_ffname; | |
| 3475 if (buf_fname_s) | |
| 3476 fname = buf->b_sfname; | |
| 3477 } | |
| 3478 #endif | |
| 3479 | |
| 3480 #ifdef FEAT_NETBEANS_INTG | |
| 2210 | 3481 if (netbeans_active() && isNetbeansBuffer(buf)) |
| 7 | 3482 { |
| 3483 if (whole) | |
| 3484 { | |
| 3485 /* | |
| 3486 * b_changed can be 0 after an undo, but we still need to write | |
| 3487 * the buffer to NetBeans. | |
| 3488 */ | |
| 3489 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3490 { | |
| 33 | 3491 --no_wait_return; /* may wait for return now */ |
| 3492 msg_scroll = msg_save; | |
| 3493 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3494 return retval; |
| 3495 } | |
| 3496 else | |
| 3497 { | |
| 3498 errnum = (char_u *)"E656: "; | |
| 1653 | 3499 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3500 buffer = NULL; |
| 3501 goto fail; | |
| 3502 } | |
| 3503 } | |
| 3504 else | |
| 3505 { | |
| 3506 errnum = (char_u *)"E657: "; | |
| 3507 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3508 buffer = NULL; | |
| 3509 goto fail; | |
| 3510 } | |
| 3511 } | |
| 3512 #endif | |
| 3513 | |
| 3514 if (shortmess(SHM_OVER) && !exiting) | |
| 3515 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3516 else | |
| 3517 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3518 if (!filtering) | |
| 3519 filemess(buf, | |
| 3520 #ifndef UNIX | |
| 3521 sfname, | |
| 3522 #else | |
| 3523 fname, | |
| 3524 #endif | |
| 3525 (char_u *)"", 0); /* show that we are busy */ | |
| 3526 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3527 | |
| 3528 buffer = alloc(BUFSIZE); | |
| 3529 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3530 * one (to be able to write when out of | |
| 3531 * memory) */ | |
| 3532 { | |
| 3533 buffer = smallbuf; | |
| 3534 bufsize = SMBUFSIZE; | |
| 3535 } | |
| 3536 else | |
| 3537 bufsize = BUFSIZE; | |
| 3538 | |
| 3539 /* | |
| 3540 * Get information about original file (if there is one). | |
| 3541 */ | |
| 3542 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3543 st_old.st_dev = 0; |
| 3544 st_old.st_ino = 0; | |
| 7 | 3545 perm = -1; |
| 3546 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3547 newfile = TRUE; | |
| 3548 else | |
| 3549 { | |
| 3550 perm = st_old.st_mode; | |
| 3551 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3552 { | |
| 3553 if (S_ISDIR(st_old.st_mode)) | |
| 3554 { | |
| 3555 errnum = (char_u *)"E502: "; | |
| 3556 errmsg = (char_u *)_("is a directory"); | |
| 3557 goto fail; | |
| 3558 } | |
| 3559 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3560 { | |
| 3561 errnum = (char_u *)"E503: "; | |
| 3562 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3563 goto fail; | |
| 3564 } | |
| 3565 /* It's a device of some kind (or a fifo) which we can write to | |
| 3566 * but for which we can't make a backup. */ | |
| 3567 device = TRUE; | |
| 3568 newfile = TRUE; | |
| 3569 perm = -1; | |
| 3570 } | |
| 3571 } | |
| 3572 #else /* !UNIX */ | |
| 3573 /* | |
| 3574 * Check for a writable device name. | |
| 3575 */ | |
| 3576 c = mch_nodetype(fname); | |
| 3577 if (c == NODE_OTHER) | |
| 3578 { | |
| 3579 errnum = (char_u *)"E503: "; | |
| 3580 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3581 goto fail; | |
| 3582 } | |
| 3583 if (c == NODE_WRITABLE) | |
| 3584 { | |
| 1004 | 3585 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3586 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3587 * trying to write to it. */ | |
| 3588 if (!p_odev) | |
| 3589 { | |
| 3590 errnum = (char_u *)"E796: "; | |
| 3591 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3592 goto fail; | |
| 3593 } | |
| 3594 # endif | |
| 7 | 3595 device = TRUE; |
| 3596 newfile = TRUE; | |
| 3597 perm = -1; | |
| 3598 } | |
| 3599 else | |
| 3600 { | |
| 3601 perm = mch_getperm(fname); | |
| 3602 if (perm < 0) | |
| 3603 newfile = TRUE; | |
| 3604 else if (mch_isdir(fname)) | |
| 3605 { | |
| 3606 errnum = (char_u *)"E502: "; | |
| 3607 errmsg = (char_u *)_("is a directory"); | |
| 3608 goto fail; | |
| 3609 } | |
| 3610 if (overwriting) | |
| 3611 (void)mch_stat((char *)fname, &st_old); | |
| 3612 } | |
| 3613 #endif /* !UNIX */ | |
| 3614 | |
| 3615 if (!device && !newfile) | |
| 3616 { | |
| 3617 /* | |
| 3618 * Check if the file is really writable (when renaming the file to | |
| 3619 * make a backup we won't discover it later). | |
| 3620 */ | |
| 1303 | 3621 file_readonly = check_file_readonly(fname, (int)perm); |
| 3622 | |
| 7 | 3623 if (!forceit && file_readonly) |
| 3624 { | |
| 3625 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3626 { | |
| 3627 errnum = (char_u *)"E504: "; | |
| 3628 errmsg = (char_u *)_(err_readonly); | |
| 3629 } | |
| 3630 else | |
| 3631 { | |
| 3632 errnum = (char_u *)"E505: "; | |
| 3633 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3634 } | |
| 3635 goto fail; | |
| 3636 } | |
| 3637 | |
| 3638 /* | |
| 3639 * Check if the timestamp hasn't changed since reading the file. | |
| 3640 */ | |
| 3641 if (overwriting) | |
| 3642 { | |
| 3643 retval = check_mtime(buf, &st_old); | |
| 3644 if (retval == FAIL) | |
| 3645 goto fail; | |
| 3646 } | |
| 3647 } | |
| 3648 | |
| 3649 #ifdef HAVE_ACL | |
| 3650 /* | |
| 3651 * For systems that support ACL: get the ACL from the original file. | |
| 3652 */ | |
| 3653 if (!newfile) | |
| 3654 acl = mch_get_acl(fname); | |
| 3655 #endif | |
| 3656 | |
| 3657 /* | |
| 3658 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3659 */ | |
| 3660 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3661 #ifdef FEAT_WILDIGN | |
| 3662 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3663 dobackup = FALSE; | |
| 3664 #endif | |
| 3665 | |
| 3666 /* | |
| 3667 * Save the value of got_int and reset it. We don't want a previous | |
| 3668 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3669 * abort it. | |
| 3670 */ | |
| 3671 prev_got_int = got_int; | |
| 3672 got_int = FALSE; | |
| 3673 | |
| 3674 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3675 buf->b_saving = TRUE; | |
| 3676 | |
| 3677 /* | |
| 3678 * If we are not appending or filtering, the file exists, and the | |
| 3679 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3680 * When 'patchmode' is set also make a backup when appending. | |
| 3681 * | |
| 3682 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3683 * off. This helps when editing large files on almost-full disks. | |
| 3684 */ | |
| 3685 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3686 { | |
| 3687 #if defined(UNIX) || defined(WIN32) | |
| 3688 struct stat st; | |
| 3689 #endif | |
| 3690 | |
| 3691 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3692 backup_copy = TRUE; | |
| 3693 #if defined(UNIX) || defined(WIN32) | |
| 3694 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3695 { | |
| 3696 int i; | |
| 3697 | |
| 3698 # ifdef UNIX | |
| 3699 /* | |
| 3700 * Don't rename the file when: | |
| 3701 * - it's a hard link | |
| 3702 * - it's a symbolic link | |
| 3703 * - we don't have write permission in the directory | |
| 3704 * - we can't set the owner/group of the new file | |
| 3705 */ | |
| 3706 if (st_old.st_nlink > 1 | |
| 3707 || mch_lstat((char *)fname, &st) < 0 | |
| 3708 || st.st_dev != st_old.st_dev | |
| 557 | 3709 || st.st_ino != st_old.st_ino |
| 3710 # ifndef HAVE_FCHOWN | |
| 3711 || st.st_uid != st_old.st_uid | |
| 3712 || st.st_gid != st_old.st_gid | |
| 3713 # endif | |
| 3714 ) | |
| 7 | 3715 backup_copy = TRUE; |
| 3716 else | |
| 696 | 3717 # else |
| 3718 # ifdef WIN32 | |
| 3719 /* On NTFS file systems hard links are possible. */ | |
| 3720 if (mch_is_linked(fname)) | |
| 3721 backup_copy = TRUE; | |
| 3722 else | |
| 3723 # endif | |
| 7 | 3724 # endif |
| 3725 { | |
| 3726 /* | |
| 3727 * Check if we can create a file and set the owner/group to | |
| 3728 * the ones from the original file. | |
| 3729 * First find a file name that doesn't exist yet (use some | |
| 3730 * arbitrary numbers). | |
| 3731 */ | |
| 3732 STRCPY(IObuff, fname); | |
| 3733 for (i = 4913; ; i += 123) | |
| 3734 { | |
| 3735 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3736 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3737 break; |
| 3738 } | |
| 557 | 3739 fd = mch_open((char *)IObuff, |
| 3740 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3741 if (fd < 0) /* can't write in directory */ |
| 3742 backup_copy = TRUE; | |
| 3743 else | |
| 3744 { | |
| 3745 # ifdef UNIX | |
| 557 | 3746 # ifdef HAVE_FCHOWN |
| 1757 | 3747 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3748 # endif |
| 7 | 3749 if (mch_stat((char *)IObuff, &st) < 0 |
| 3750 || st.st_uid != st_old.st_uid | |
| 3751 || st.st_gid != st_old.st_gid | |
| 1877 | 3752 || (long)st.st_mode != perm) |
| 7 | 3753 backup_copy = TRUE; |
| 3754 # endif | |
| 567 | 3755 /* Close the file before removing it, on MS-Windows we |
| 3756 * can't delete an open file. */ | |
| 3757 close(fd); | |
| 7 | 3758 mch_remove(IObuff); |
|
2523
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3759 # ifdef MSWIN |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3760 /* MS-Windows may trigger a virus scanner to open the |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3761 * file, we can't delete it then. Keep trying for half a |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3762 * second. */ |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3763 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3764 int try; |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3765 |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3766 for (try = 0; try < 10; ++try) |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3767 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3768 if (mch_lstat((char *)IObuff, &st) < 0) |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3769 break; |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3770 ui_delay(50L, TRUE); /* wait 50 msec */ |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3771 mch_remove(IObuff); |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3772 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3773 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3774 # endif |
| 7 | 3775 } |
| 3776 } | |
| 3777 } | |
| 3778 | |
| 3779 # ifdef UNIX | |
| 3780 /* | |
| 3781 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3782 */ | |
| 3783 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3784 { | |
| 3785 int lstat_res; | |
| 3786 | |
| 3787 lstat_res = mch_lstat((char *)fname, &st); | |
| 3788 | |
| 3789 /* Symlinks. */ | |
| 3790 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3791 && lstat_res == 0 | |
| 3792 && st.st_ino != st_old.st_ino) | |
| 3793 backup_copy = FALSE; | |
| 3794 | |
| 3795 /* Hardlinks. */ | |
| 3796 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3797 && st_old.st_nlink > 1 | |
| 3798 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3799 backup_copy = FALSE; | |
| 3800 } | |
| 3801 #endif | |
| 3802 | |
| 3803 #endif | |
| 3804 | |
| 3805 /* make sure we have a valid backup extension to use */ | |
| 3806 if (*p_bex == NUL) | |
| 3807 { | |
| 3808 #ifdef RISCOS | |
| 3809 backup_ext = (char_u *)"/bak"; | |
| 3810 #else | |
| 3811 backup_ext = (char_u *)".bak"; | |
| 3812 #endif | |
| 3813 } | |
| 3814 else | |
| 3815 backup_ext = p_bex; | |
| 3816 | |
| 3817 if (backup_copy | |
| 3818 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3819 { | |
| 3820 int bfd; | |
| 3821 char_u *copybuf, *wp; | |
| 3822 int some_error = FALSE; | |
| 3823 struct stat st_new; | |
| 3824 char_u *dirp; | |
| 3825 char_u *rootname; | |
| 344 | 3826 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3827 int did_set_shortname; |
| 3828 #endif | |
| 3829 | |
| 3830 copybuf = alloc(BUFSIZE + 1); | |
| 3831 if (copybuf == NULL) | |
| 3832 { | |
| 3833 some_error = TRUE; /* out of memory */ | |
| 3834 goto nobackup; | |
| 3835 } | |
| 3836 | |
| 3837 /* | |
| 3838 * Try to make the backup in each directory in the 'bdir' option. | |
| 3839 * | |
| 3840 * Unix semantics has it, that we may have a writable file, | |
| 3841 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3842 * - the directory is not writable, | |
| 3843 * - the file may be a symbolic link, | |
| 3844 * - the file may belong to another user/group, etc. | |
| 3845 * | |
| 3846 * For these reasons, the existing writable file must be truncated | |
| 3847 * and reused. Creation of a backup COPY will be attempted. | |
| 3848 */ | |
| 3849 dirp = p_bdir; | |
| 3850 while (*dirp) | |
| 3851 { | |
| 3852 #ifdef UNIX | |
| 3853 st_new.st_ino = 0; | |
| 3854 st_new.st_dev = 0; | |
| 3855 st_new.st_gid = 0; | |
| 3856 #endif | |
| 3857 | |
| 3858 /* | |
| 3859 * Isolate one directory name, using an entry in 'bdir'. | |
| 3860 */ | |
| 3861 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3862 rootname = get_file_in_dir(fname, copybuf); | |
| 3863 if (rootname == NULL) | |
| 3864 { | |
| 3865 some_error = TRUE; /* out of memory */ | |
| 3866 goto nobackup; | |
| 3867 } | |
| 3868 | |
| 344 | 3869 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3870 did_set_shortname = FALSE; |
| 3871 #endif | |
| 3872 | |
| 3873 /* | |
| 3874 * May try twice if 'shortname' not set. | |
| 3875 */ | |
| 3876 for (;;) | |
| 3877 { | |
| 3878 /* | |
| 3879 * Make backup file name. | |
| 3880 */ | |
| 3881 backup = buf_modname( | |
| 3882 #ifdef SHORT_FNAME | |
| 3883 TRUE, | |
| 3884 #else | |
| 3885 (buf->b_p_sn || buf->b_shortname), | |
| 3886 #endif | |
| 3887 rootname, backup_ext, FALSE); | |
| 3888 if (backup == NULL) | |
| 3889 { | |
| 3890 vim_free(rootname); | |
| 3891 some_error = TRUE; /* out of memory */ | |
| 3892 goto nobackup; | |
| 3893 } | |
| 3894 | |
| 3895 /* | |
| 3896 * Check if backup file already exists. | |
| 3897 */ | |
| 3898 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3899 { | |
| 3900 #ifdef UNIX | |
| 3901 /* | |
| 3902 * Check if backup file is same as original file. | |
| 3903 * May happen when modname() gave the same file back. | |
| 3904 * E.g. silly link, or file name-length reached. | |
| 3905 * If we don't check here, we either ruin the file | |
| 3906 * when copying or erase it after writing. jw. | |
| 3907 */ | |
| 3908 if (st_new.st_dev == st_old.st_dev | |
| 3909 && st_new.st_ino == st_old.st_ino) | |
| 3910 { | |
| 3911 vim_free(backup); | |
| 3912 backup = NULL; /* no backup file to delete */ | |
| 3913 # ifndef SHORT_FNAME | |
| 3914 /* | |
| 3915 * may try again with 'shortname' set | |
| 3916 */ | |
| 3917 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3918 { | |
| 3919 buf->b_shortname = TRUE; | |
| 3920 did_set_shortname = TRUE; | |
| 3921 continue; | |
| 3922 } | |
| 3923 /* setting shortname didn't help */ | |
| 3924 if (did_set_shortname) | |
| 3925 buf->b_shortname = FALSE; | |
| 3926 # endif | |
| 3927 break; | |
| 3928 } | |
| 3929 #endif | |
| 3930 | |
| 3931 /* | |
| 3932 * If we are not going to keep the backup file, don't | |
| 3933 * delete an existing one, try to use another name. | |
| 3934 * Change one character, just before the extension. | |
| 3935 */ | |
| 3936 if (!p_bk) | |
| 3937 { | |
| 3938 wp = backup + STRLEN(backup) - 1 | |
| 3939 - STRLEN(backup_ext); | |
| 3940 if (wp < backup) /* empty file name ??? */ | |
| 3941 wp = backup; | |
| 3942 *wp = 'z'; | |
| 3943 while (*wp > 'a' | |
| 3944 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3945 --*wp; | |
| 3946 /* They all exist??? Must be something wrong. */ | |
| 3947 if (*wp == 'a') | |
| 3948 { | |
| 3949 vim_free(backup); | |
| 3950 backup = NULL; | |
| 3951 } | |
| 3952 } | |
| 3953 } | |
| 3954 break; | |
| 3955 } | |
| 3956 vim_free(rootname); | |
| 3957 | |
| 3958 /* | |
| 3959 * Try to create the backup file | |
| 3960 */ | |
| 3961 if (backup != NULL) | |
| 3962 { | |
| 3963 /* remove old backup, if present */ | |
| 3964 mch_remove(backup); | |
| 3965 /* Open with O_EXCL to avoid the file being created while | |
| 3966 * we were sleeping (symlink hacker attack?) */ | |
| 3967 bfd = mch_open((char *)backup, | |
| 557 | 3968 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 3969 perm & 0777); | |
| 7 | 3970 if (bfd < 0) |
| 3971 { | |
| 3972 vim_free(backup); | |
| 3973 backup = NULL; | |
| 3974 } | |
| 3975 else | |
| 3976 { | |
| 3977 /* set file protection same as original file, but | |
| 3978 * strip s-bit */ | |
| 3979 (void)mch_setperm(backup, perm & 0777); | |
| 3980 | |
| 3981 #ifdef UNIX | |
| 3982 /* | |
| 3983 * Try to set the group of the backup same as the | |
| 3984 * original file. If this fails, set the protection | |
| 3985 * bits for the group same as the protection bits for | |
| 3986 * others. | |
| 3987 */ | |
| 557 | 3988 if (st_new.st_gid != st_old.st_gid |
| 7 | 3989 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 3990 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 3991 # endif |
| 3992 ) | |
| 3993 mch_setperm(backup, | |
| 3994 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 3995 # ifdef HAVE_SELINUX |
| 3996 mch_copy_sec(fname, backup); | |
| 3997 # endif | |
| 7 | 3998 #endif |
| 3999 | |
| 4000 /* | |
| 4001 * copy the file. | |
| 4002 */ | |
| 4003 write_info.bw_fd = bfd; | |
| 4004 write_info.bw_buf = copybuf; | |
| 4005 #ifdef HAS_BW_FLAGS | |
| 4006 write_info.bw_flags = FIO_NOCONVERT; | |
| 4007 #endif | |
| 2664 | 4008 while ((write_info.bw_len = read_eintr(fd, copybuf, |
| 7 | 4009 BUFSIZE)) > 0) |
| 4010 { | |
| 4011 if (buf_write_bytes(&write_info) == FAIL) | |
| 4012 { | |
| 4013 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 4014 break; | |
| 4015 } | |
| 4016 ui_breakcheck(); | |
| 4017 if (got_int) | |
| 4018 { | |
| 4019 errmsg = (char_u *)_(e_interr); | |
| 4020 break; | |
| 4021 } | |
| 4022 } | |
| 4023 | |
| 4024 if (close(bfd) < 0 && errmsg == NULL) | |
| 4025 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 4026 if (write_info.bw_len < 0) | |
| 4027 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 4028 #ifdef UNIX | |
| 4029 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 4030 #endif | |
| 4031 #ifdef HAVE_ACL | |
| 4032 mch_set_acl(backup, acl); | |
| 4033 #endif | |
| 1583 | 4034 #ifdef HAVE_SELINUX |
| 4035 mch_copy_sec(fname, backup); | |
| 4036 #endif | |
| 7 | 4037 break; |
| 4038 } | |
| 4039 } | |
| 4040 } | |
| 4041 nobackup: | |
| 4042 close(fd); /* ignore errors for closing read file */ | |
| 4043 vim_free(copybuf); | |
| 4044 | |
| 4045 if (backup == NULL && errmsg == NULL) | |
| 4046 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 4047 /* ignore errors when forceit is TRUE */ | |
| 4048 if ((some_error || errmsg != NULL) && !forceit) | |
| 4049 { | |
| 4050 retval = FAIL; | |
| 4051 goto fail; | |
| 4052 } | |
| 4053 errmsg = NULL; | |
| 4054 } | |
| 4055 else | |
| 4056 { | |
| 4057 char_u *dirp; | |
| 4058 char_u *p; | |
| 4059 char_u *rootname; | |
| 4060 | |
| 4061 /* | |
| 4062 * Make a backup by renaming the original file. | |
| 4063 */ | |
| 4064 /* | |
| 4065 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 4066 * overwrite a read-only file. But rename may be possible | |
| 4067 * anyway, thus we need an extra check here. | |
| 4068 */ | |
| 4069 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 4070 { | |
| 4071 errnum = (char_u *)"E504: "; | |
| 4072 errmsg = (char_u *)_(err_readonly); | |
| 4073 goto fail; | |
| 4074 } | |
| 4075 | |
| 4076 /* | |
| 4077 * | |
| 4078 * Form the backup file name - change path/fo.o.h to | |
| 4079 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 4080 * that works is used. | |
| 4081 */ | |
| 4082 dirp = p_bdir; | |
| 4083 while (*dirp) | |
| 4084 { | |
| 4085 /* | |
| 4086 * Isolate one directory name and make the backup file name. | |
| 4087 */ | |
| 4088 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 4089 rootname = get_file_in_dir(fname, IObuff); | |
| 4090 if (rootname == NULL) | |
| 4091 backup = NULL; | |
| 4092 else | |
| 4093 { | |
| 4094 backup = buf_modname( | |
| 4095 #ifdef SHORT_FNAME | |
| 4096 TRUE, | |
| 4097 #else | |
| 4098 (buf->b_p_sn || buf->b_shortname), | |
| 4099 #endif | |
| 4100 rootname, backup_ext, FALSE); | |
| 4101 vim_free(rootname); | |
| 4102 } | |
| 4103 | |
| 4104 if (backup != NULL) | |
| 4105 { | |
| 4106 /* | |
| 4107 * If we are not going to keep the backup file, don't | |
| 4108 * delete an existing one, try to use another name. | |
| 4109 * Change one character, just before the extension. | |
| 4110 */ | |
| 4111 if (!p_bk && mch_getperm(backup) >= 0) | |
| 4112 { | |
| 4113 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 4114 if (p < backup) /* empty file name ??? */ | |
| 4115 p = backup; | |
| 4116 *p = 'z'; | |
| 4117 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 4118 --*p; | |
| 4119 /* They all exist??? Must be something wrong! */ | |
| 4120 if (*p == 'a') | |
| 4121 { | |
| 4122 vim_free(backup); | |
| 4123 backup = NULL; | |
| 4124 } | |
| 4125 } | |
| 4126 } | |
| 4127 if (backup != NULL) | |
| 4128 { | |
| 4129 /* | |
| 531 | 4130 * Delete any existing backup and move the current version |
| 4131 * to the backup. For safety, we don't remove the backup | |
| 4132 * until the write has finished successfully. And if the | |
| 4133 * 'backup' option is set, leave it around. | |
| 7 | 4134 */ |
| 4135 /* | |
| 4136 * If the renaming of the original file to the backup file | |
| 4137 * works, quit here. | |
| 4138 */ | |
| 4139 if (vim_rename(fname, backup) == 0) | |
| 4140 break; | |
| 4141 | |
| 4142 vim_free(backup); /* don't do the rename below */ | |
| 4143 backup = NULL; | |
| 4144 } | |
| 4145 } | |
| 4146 if (backup == NULL && !forceit) | |
| 4147 { | |
| 4148 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 4149 goto fail; | |
| 4150 } | |
| 4151 } | |
| 4152 } | |
| 4153 | |
| 4154 #if defined(UNIX) && !defined(ARCHIE) | |
| 4155 /* When using ":w!" and the file was read-only: make it writable */ | |
| 4156 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 4157 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 4158 { | |
| 4159 perm |= 0200; | |
| 4160 (void)mch_setperm(fname, perm); | |
| 4161 made_writable = TRUE; | |
| 4162 } | |
| 4163 #endif | |
| 4164 | |
| 819 | 4165 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 4166 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 4167 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 4168 { |
| 4169 buf->b_p_ro = FALSE; | |
| 4170 #ifdef FEAT_TITLE | |
| 4171 need_maketitle = TRUE; /* set window title later */ | |
| 4172 #endif | |
| 4173 #ifdef FEAT_WINDOWS | |
| 4174 status_redraw_all(); /* redraw status lines later */ | |
| 4175 #endif | |
| 4176 } | |
| 4177 | |
| 4178 if (end > buf->b_ml.ml_line_count) | |
| 4179 end = buf->b_ml.ml_line_count; | |
| 4180 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 4181 start = end + 1; | |
| 4182 | |
| 4183 /* | |
| 4184 * If the original file is being overwritten, there is a small chance that | |
| 4185 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 4186 * This makes all block numbers positive so that recovery does not need | |
| 4187 * the original file. | |
| 4188 * Don't do this if there is a backup file and we are exiting. | |
| 4189 */ | |
| 39 | 4190 if (reset_changed && !newfile && overwriting |
| 7 | 4191 && !(exiting && backup != NULL)) |
| 4192 { | |
| 4193 ml_preserve(buf, FALSE); | |
| 4194 if (got_int) | |
| 4195 { | |
| 4196 errmsg = (char_u *)_(e_interr); | |
| 4197 goto restore_backup; | |
| 4198 } | |
| 4199 } | |
| 4200 | |
| 4201 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4202 /* | |
| 4203 * Before risking to lose the original file verify if there's | |
| 4204 * a resource fork to preserve, and if cannot be done warn | |
| 4205 * the users. This happens when overwriting without backups. | |
| 4206 */ | |
| 4207 if (backup == NULL && overwriting && !append) | |
| 4208 if (mch_has_resource_fork(fname)) | |
| 4209 { | |
| 4210 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 4211 goto restore_backup; | |
| 4212 } | |
| 4213 #endif | |
| 4214 | |
| 4215 #ifdef VMS | |
| 4216 vms_remove_version(fname); /* remove version */ | |
| 4217 #endif | |
| 1651 | 4218 /* Default: write the file directly. May write to a temp file for |
| 7 | 4219 * multi-byte conversion. */ |
| 4220 wfname = fname; | |
| 4221 | |
| 4222 #ifdef FEAT_MBYTE | |
| 4223 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 4224 if (eap != NULL && eap->force_enc != 0) | |
| 4225 { | |
| 4226 fenc = eap->cmd + eap->force_enc; | |
| 4227 fenc = enc_canonize(fenc); | |
| 4228 fenc_tofree = fenc; | |
| 4229 } | |
| 4230 else | |
| 4231 fenc = buf->b_p_fenc; | |
| 4232 | |
| 4233 /* | |
| 1948 | 4234 * Check if the file needs to be converted. |
| 7 | 4235 */ |
| 1948 | 4236 converted = need_conversion(fenc); |
| 7 | 4237 |
| 4238 /* | |
| 4239 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4240 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4241 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4242 */ | |
| 4243 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4244 { | |
| 4245 wb_flags = get_fio_flags(fenc); | |
| 4246 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4247 { | |
| 4248 /* Need to allocate a buffer to translate into. */ | |
| 4249 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4250 write_info.bw_conv_buflen = bufsize * 2; | |
| 4251 else /* FIO_UCS4 */ | |
| 4252 write_info.bw_conv_buflen = bufsize * 4; | |
| 4253 write_info.bw_conv_buf | |
| 4254 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4255 if (write_info.bw_conv_buf == NULL) | |
| 4256 end = 0; | |
| 4257 } | |
| 4258 } | |
| 4259 | |
| 4260 # ifdef WIN3264 | |
| 4261 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4262 { | |
| 4263 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4264 write_info.bw_conv_buflen = bufsize * 4; | |
| 4265 write_info.bw_conv_buf | |
| 4266 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4267 if (write_info.bw_conv_buf == NULL) | |
| 4268 end = 0; | |
| 4269 } | |
| 4270 # endif | |
| 4271 | |
| 4272 # ifdef MACOS_X | |
| 4273 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4274 { | |
| 4275 write_info.bw_conv_buflen = bufsize * 3; | |
| 4276 write_info.bw_conv_buf | |
| 4277 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4278 if (write_info.bw_conv_buf == NULL) | |
| 4279 end = 0; | |
| 4280 } | |
| 4281 # endif | |
| 4282 | |
| 4283 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4284 if (converted && wb_flags == 0) | |
| 4285 { | |
| 4286 # ifdef USE_ICONV | |
| 4287 /* | |
| 4288 * Use iconv() conversion when conversion is needed and it's not done | |
| 4289 * internally. | |
| 4290 */ | |
| 4291 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4292 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4293 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4294 { | |
| 4295 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4296 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4297 write_info.bw_conv_buf | |
| 4298 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4299 if (write_info.bw_conv_buf == NULL) | |
| 4300 end = 0; | |
| 4301 write_info.bw_first = TRUE; | |
| 4302 } | |
| 4303 # ifdef FEAT_EVAL | |
| 4304 else | |
| 4305 # endif | |
| 4306 # endif | |
| 4307 | |
| 4308 # ifdef FEAT_EVAL | |
| 4309 /* | |
| 4310 * When the file needs to be converted with 'charconvert' after | |
| 4311 * writing, write to a temp file instead and let the conversion | |
| 4312 * overwrite the original file. | |
| 4313 */ | |
| 4314 if (*p_ccv != NUL) | |
| 4315 { | |
| 4316 wfname = vim_tempname('w'); | |
| 4317 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4318 { | |
| 4319 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4320 goto restore_backup; | |
| 4321 } | |
| 4322 } | |
| 4323 # endif | |
| 4324 } | |
| 4325 # endif | |
| 4326 if (converted && wb_flags == 0 | |
| 4327 # ifdef USE_ICONV | |
| 4328 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4329 # endif | |
| 4330 # ifdef FEAT_EVAL | |
| 4331 && wfname == fname | |
| 4332 # endif | |
| 4333 ) | |
| 4334 { | |
| 4335 if (!forceit) | |
| 4336 { | |
| 4337 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4338 goto restore_backup; | |
| 4339 } | |
| 4340 notconverted = TRUE; | |
| 4341 } | |
| 4342 #endif | |
| 4343 | |
| 4344 /* | |
| 4345 * Open the file "wfname" for writing. | |
| 4346 * We may try to open the file twice: If we can't write to the | |
| 4347 * file and forceit is TRUE we delete the existing file and try to create | |
| 4348 * a new one. If this still fails we may have lost the original file! | |
| 4349 * (this may happen when the user reached his quotum for number of files). | |
| 4350 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4351 */ | |
| 4352 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4353 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4354 : (O_CREAT | O_TRUNC)) | |
| 216 | 4355 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4356 { |
| 4357 /* | |
| 4358 * A forced write will try to create a new file if the old one is | |
| 4359 * still readonly. This may also happen when the directory is | |
| 4360 * read-only. In that case the mch_remove() will fail. | |
| 4361 */ | |
| 4362 if (errmsg == NULL) | |
| 4363 { | |
| 4364 #ifdef UNIX | |
| 4365 struct stat st; | |
| 4366 | |
| 4367 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4368 if ((!newfile && st_old.st_nlink > 1) | |
| 4369 || (mch_lstat((char *)fname, &st) == 0 | |
| 4370 && (st.st_dev != st_old.st_dev | |
| 4371 || st.st_ino != st_old.st_ino))) | |
| 4372 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4373 else | |
| 4374 #endif | |
| 4375 { | |
| 4376 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4377 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4378 && perm >= 0) | |
| 4379 { | |
| 4380 #ifdef UNIX | |
| 4381 /* we write to the file, thus it should be marked | |
| 4382 writable after all */ | |
| 4383 if (!(perm & 0200)) | |
| 4384 made_writable = TRUE; | |
| 4385 perm |= 0200; | |
| 4386 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4387 perm &= 0777; | |
| 4388 #endif | |
| 4389 if (!append) /* don't remove when appending */ | |
| 4390 mch_remove(wfname); | |
| 4391 continue; | |
| 4392 } | |
| 4393 } | |
| 4394 } | |
| 4395 | |
| 4396 restore_backup: | |
| 4397 { | |
| 4398 struct stat st; | |
| 4399 | |
| 4400 /* | |
| 4401 * If we failed to open the file, we don't need a backup. Throw it | |
| 4402 * away. If we moved or removed the original file try to put the | |
| 4403 * backup in its place. | |
| 4404 */ | |
| 4405 if (backup != NULL && wfname == fname) | |
| 4406 { | |
| 4407 if (backup_copy) | |
| 4408 { | |
| 4409 /* | |
| 4410 * There is a small chance that we removed the original, | |
| 4411 * try to move the copy in its place. | |
| 4412 * This may not work if the vim_rename() fails. | |
| 4413 * In that case we leave the copy around. | |
| 4414 */ | |
| 4415 /* If file does not exist, put the copy in its place */ | |
| 4416 if (mch_stat((char *)fname, &st) < 0) | |
| 4417 vim_rename(backup, fname); | |
| 4418 /* if original file does exist throw away the copy */ | |
| 4419 if (mch_stat((char *)fname, &st) >= 0) | |
| 4420 mch_remove(backup); | |
| 4421 } | |
| 4422 else | |
| 4423 { | |
| 4424 /* try to put the original file back */ | |
| 4425 vim_rename(backup, fname); | |
| 4426 } | |
| 4427 } | |
| 4428 | |
| 4429 /* if original file no longer exists give an extra warning */ | |
| 4430 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4431 end = 0; | |
| 4432 } | |
| 4433 | |
| 4434 #ifdef FEAT_MBYTE | |
| 4435 if (wfname != fname) | |
| 4436 vim_free(wfname); | |
| 4437 #endif | |
| 4438 goto fail; | |
| 4439 } | |
| 4440 errmsg = NULL; | |
| 4441 | |
| 4442 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4443 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4444 /* | |
| 4445 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4446 * This is done in order to preserve the resource fork and the |
| 4447 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4448 */ |
| 4449 if (backup != NULL && overwriting && !append) | |
| 4450 { | |
| 4451 if (backup_copy) | |
| 4452 (void)mch_copy_file_attribute(wfname, backup); | |
| 4453 else | |
| 4454 (void)mch_copy_file_attribute(backup, wfname); | |
| 4455 } | |
| 4456 | |
| 4457 if (!overwriting && !append) | |
| 4458 { | |
| 4459 if (buf->b_ffname != NULL) | |
| 4460 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4461 /* Should copy resource fork */ |
| 7 | 4462 } |
| 4463 #endif | |
| 4464 | |
| 4465 write_info.bw_fd = fd; | |
| 4466 | |
| 4467 #ifdef FEAT_CRYPT | |
| 2267 | 4468 if (*buf->b_p_key != NUL && !filtering) |
| 7 | 4469 { |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4470 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
|
4471 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
|
4472 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4473 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
|
4474 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
|
4475 end = 0; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4476 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4477 { |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4478 /* 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
|
4479 * 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
|
4480 * 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
|
4481 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
|
4482 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
|
4483 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
|
4484 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
|
4485 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
|
4486 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
|
4487 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
|
4488 } |
| 7 | 4489 } |
| 4490 #endif | |
| 4491 | |
| 4492 write_info.bw_buf = buffer; | |
| 4493 nchars = 0; | |
| 4494 | |
| 4495 /* use "++bin", "++nobin" or 'binary' */ | |
| 4496 if (eap != NULL && eap->force_bin != 0) | |
| 4497 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4498 else | |
| 4499 write_bin = buf->b_p_bin; | |
| 4500 | |
| 4501 #ifdef FEAT_MBYTE | |
| 4502 /* | |
| 4503 * The BOM is written just after the encryption magic number. | |
| 24 | 4504 * Skip it when appending and the file already existed, the BOM only makes |
| 4505 * sense at the start of the file. | |
| 7 | 4506 */ |
| 24 | 4507 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4508 { |
| 4509 write_info.bw_len = make_bom(buffer, fenc); | |
| 4510 if (write_info.bw_len > 0) | |
| 4511 { | |
| 4512 /* don't convert, do encryption */ | |
| 4513 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4514 if (buf_write_bytes(&write_info) == FAIL) | |
| 4515 end = 0; | |
| 4516 else | |
| 4517 nchars += write_info.bw_len; | |
| 4518 } | |
| 4519 } | |
| 1947 | 4520 write_info.bw_start_lnum = start; |
| 7 | 4521 #endif |
| 4522 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4523 #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
|
4524 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
|
4525 && !filtering && reset_changed); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4526 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
|
4527 /* 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
|
4528 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
|
4529 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4530 |
| 7 | 4531 write_info.bw_len = bufsize; |
| 4532 #ifdef HAS_BW_FLAGS | |
| 4533 write_info.bw_flags = wb_flags; | |
| 4534 #endif | |
| 4535 fileformat = get_fileformat_force(buf, eap); | |
| 4536 s = buffer; | |
| 4537 len = 0; | |
| 4538 for (lnum = start; lnum <= end; ++lnum) | |
| 4539 { | |
| 4540 /* | |
| 4541 * The next while loop is done once for each character written. | |
| 4542 * Keep it fast! | |
| 4543 */ | |
| 4544 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
|
4545 #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
|
4546 if (write_undo_file) |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4547 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
|
4548 #endif |
| 7 | 4549 while ((c = *++ptr) != NUL) |
| 4550 { | |
| 4551 if (c == NL) | |
| 4552 *s = NUL; /* replace newlines with NULs */ | |
| 4553 else if (c == CAR && fileformat == EOL_MAC) | |
| 4554 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4555 else | |
| 4556 *s = c; | |
| 4557 ++s; | |
| 4558 if (++len != bufsize) | |
| 4559 continue; | |
| 4560 if (buf_write_bytes(&write_info) == FAIL) | |
| 4561 { | |
| 4562 end = 0; /* write error: break loop */ | |
| 4563 break; | |
| 4564 } | |
| 4565 nchars += bufsize; | |
| 4566 s = buffer; | |
| 4567 len = 0; | |
| 1947 | 4568 #ifdef FEAT_MBYTE |
| 4569 write_info.bw_start_lnum = lnum; | |
| 4570 #endif | |
| 7 | 4571 } |
| 4572 /* write failed or last line has no EOL: stop here */ | |
| 4573 if (end == 0 | |
| 4574 || (lnum == end | |
| 4575 && write_bin | |
| 2707 | 4576 && (lnum == buf->b_no_eol_lnum |
| 7 | 4577 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) |
| 4578 { | |
| 4579 ++lnum; /* written the line, count it */ | |
| 4580 no_eol = TRUE; | |
| 4581 break; | |
| 4582 } | |
| 4583 if (fileformat == EOL_UNIX) | |
| 4584 *s++ = NL; | |
| 4585 else | |
| 4586 { | |
| 4587 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4588 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4589 { | |
| 4590 if (++len == bufsize) | |
| 4591 { | |
| 4592 if (buf_write_bytes(&write_info) == FAIL) | |
| 4593 { | |
| 4594 end = 0; /* write error: break loop */ | |
| 4595 break; | |
| 4596 } | |
| 4597 nchars += bufsize; | |
| 4598 s = buffer; | |
| 4599 len = 0; | |
| 4600 } | |
| 4601 *s++ = NL; | |
| 4602 } | |
| 4603 } | |
| 4604 if (++len == bufsize && end) | |
| 4605 { | |
| 4606 if (buf_write_bytes(&write_info) == FAIL) | |
| 4607 { | |
| 4608 end = 0; /* write error: break loop */ | |
| 4609 break; | |
| 4610 } | |
| 4611 nchars += bufsize; | |
| 4612 s = buffer; | |
| 4613 len = 0; | |
| 4614 | |
| 4615 ui_breakcheck(); | |
| 4616 if (got_int) | |
| 4617 { | |
| 4618 end = 0; /* Interrupted, break loop */ | |
| 4619 break; | |
| 4620 } | |
| 4621 } | |
| 4622 #ifdef VMS | |
| 4623 /* | |
| 4624 * On VMS there is a problem: newlines get added when writing blocks | |
| 4625 * at a time. Fix it by writing a line at a time. | |
| 4626 * This is much slower! | |
| 22 | 4627 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4628 * structures end with a newline (carriage return) character, and if | |
| 4629 * they don't it adds one. | |
| 4630 * With other RMS structures it works perfect without this fix. | |
| 7 | 4631 */ |
| 1431 | 4632 if (buf->b_fab_rfm == FAB$C_VFC |
| 4633 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4634 { |
| 4635 int b2write; | |
| 4636 | |
| 4637 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4638 ? MIN(4096, bufsize) | |
| 4639 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4640 | |
| 4641 b2write = len; | |
| 4642 while (b2write > 0) | |
| 7 | 4643 { |
| 22 | 4644 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4645 if (buf_write_bytes(&write_info) == FAIL) | |
| 4646 { | |
| 4647 end = 0; | |
| 4648 break; | |
| 4649 } | |
| 4650 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4651 } |
| 4652 write_info.bw_len = bufsize; | |
| 4653 nchars += len; | |
| 4654 s = buffer; | |
| 4655 len = 0; | |
| 4656 } | |
| 4657 #endif | |
| 4658 } | |
| 4659 if (len > 0 && end > 0) | |
| 4660 { | |
| 4661 write_info.bw_len = len; | |
| 4662 if (buf_write_bytes(&write_info) == FAIL) | |
| 4663 end = 0; /* write error */ | |
| 4664 nchars += len; | |
| 4665 } | |
| 4666 | |
| 4667 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4668 /* On many journalling file systems there is a bug that causes both the | |
| 4669 * original and the backup file to be lost when halting the system right | |
| 4670 * after writing the file. That's because only the meta-data is | |
| 4671 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4672 * been written to disk and we don't lose it. |
| 4673 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4674 * (could be a pipe). |
| 4675 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4676 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4677 { |
| 4678 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4679 end = 0; | |
| 4680 } | |
| 4681 #endif | |
| 4682 | |
| 1583 | 4683 #ifdef HAVE_SELINUX |
| 4684 /* Probably need to set the security context. */ | |
| 4685 if (!backup_copy) | |
| 4686 mch_copy_sec(backup, wfname); | |
| 4687 #endif | |
| 4688 | |
| 557 | 4689 #ifdef UNIX |
| 4690 /* When creating a new file, set its owner/group to that of the original | |
| 4691 * file. Get the new device and inode number. */ | |
| 4692 if (backup != NULL && !backup_copy) | |
| 4693 { | |
| 4694 # ifdef HAVE_FCHOWN | |
| 4695 struct stat st; | |
| 4696 | |
| 4697 /* don't change the owner when it's already OK, some systems remove | |
| 4698 * permission or ACL stuff */ | |
| 4699 if (mch_stat((char *)wfname, &st) < 0 | |
| 4700 || st.st_uid != st_old.st_uid | |
| 4701 || st.st_gid != st_old.st_gid) | |
| 4702 { | |
| 1757 | 4703 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4704 if (perm >= 0) /* set permission again, may have changed */ |
| 4705 (void)mch_setperm(wfname, perm); | |
| 4706 } | |
| 4707 # endif | |
| 4708 buf_setino(buf); | |
| 4709 } | |
| 1873 | 4710 else if (!buf->b_dev_valid) |
| 617 | 4711 /* Set the inode when creating a new file. */ |
| 4712 buf_setino(buf); | |
| 557 | 4713 #endif |
| 4714 | |
| 7 | 4715 if (close(fd) != 0) |
| 4716 { | |
| 4717 errmsg = (char_u *)_("E512: Close failed"); | |
| 4718 end = 0; | |
| 4719 } | |
| 4720 | |
| 4721 #ifdef UNIX | |
| 4722 if (made_writable) | |
| 4723 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4724 #endif | |
| 4725 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4726 (void)mch_setperm(wfname, perm); | |
| 4727 #ifdef RISCOS | |
| 4728 if (!append && !filtering) | |
| 4729 /* Set the filetype after writing the file. */ | |
| 4730 mch_set_filetype(wfname, buf->b_p_oft); | |
| 4731 #endif | |
| 4732 #ifdef HAVE_ACL | |
| 4733 /* Probably need to set the ACL before changing the user (can't set the | |
| 4734 * ACL on a file the user doesn't own). */ | |
| 4735 if (!backup_copy) | |
| 4736 mch_set_acl(wfname, acl); | |
| 4737 #endif | |
| 2267 | 4738 #ifdef FEAT_CRYPT |
| 2717 | 4739 crypt_method_used = use_crypt_method; |
| 2267 | 4740 if (wb_flags & FIO_ENCRYPTED) |
| 4741 crypt_pop_state(); | |
| 4742 #endif | |
| 7 | 4743 |
| 4744 | |
| 4745 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4746 if (wfname != fname) | |
| 4747 { | |
| 4748 /* | |
| 4749 * The file was written to a temp file, now it needs to be converted | |
| 4750 * with 'charconvert' to (overwrite) the output file. | |
| 4751 */ | |
| 4752 if (end != 0) | |
| 4753 { | |
| 4754 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4755 wfname, fname) == FAIL) | |
| 4756 { | |
| 4757 write_info.bw_conv_error = TRUE; | |
| 4758 end = 0; | |
| 4759 } | |
| 4760 } | |
| 4761 mch_remove(wfname); | |
| 4762 vim_free(wfname); | |
| 4763 } | |
| 4764 #endif | |
| 4765 | |
| 4766 if (end == 0) | |
| 4767 { | |
| 4768 if (errmsg == NULL) | |
| 4769 { | |
| 4770 #ifdef FEAT_MBYTE | |
| 4771 if (write_info.bw_conv_error) | |
| 1947 | 4772 { |
| 4773 if (write_info.bw_conv_error_lnum == 0) | |
| 4774 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4775 else | |
| 4776 { | |
| 4777 errmsg_allocated = TRUE; | |
| 4778 errmsg = alloc(300); | |
| 4779 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4780 (long)write_info.bw_conv_error_lnum); | |
| 4781 } | |
| 4782 } | |
| 7 | 4783 else |
| 4784 #endif | |
| 4785 if (got_int) | |
| 4786 errmsg = (char_u *)_(e_interr); | |
| 4787 else | |
| 4788 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4789 } | |
| 4790 | |
| 4791 /* | |
| 4792 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4793 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4794 * original file when trying to make a backup when writing the file a |
| 4795 * second time. | |
| 4796 * When "backup_copy" is set we need to copy the backup over the new | |
| 4797 * file. Otherwise rename the backup file. | |
| 4798 * If this is OK, don't give the extra warning message. | |
| 4799 */ | |
| 4800 if (backup != NULL) | |
| 4801 { | |
| 4802 if (backup_copy) | |
| 4803 { | |
| 4804 /* This may take a while, if we were interrupted let the user | |
| 4805 * know we got the message. */ | |
| 4806 if (got_int) | |
| 4807 { | |
| 4808 MSG(_(e_interr)); | |
| 4809 out_flush(); | |
| 4810 } | |
| 4811 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4812 { | |
| 4813 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4814 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4815 perm & 0777)) >= 0) | |
| 7 | 4816 { |
| 4817 /* copy the file. */ | |
| 4818 write_info.bw_buf = smallbuf; | |
| 4819 #ifdef HAS_BW_FLAGS | |
| 4820 write_info.bw_flags = FIO_NOCONVERT; | |
| 4821 #endif | |
| 2664 | 4822 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
| 7 | 4823 SMBUFSIZE)) > 0) |
| 4824 if (buf_write_bytes(&write_info) == FAIL) | |
| 4825 break; | |
| 4826 | |
| 4827 if (close(write_info.bw_fd) >= 0 | |
| 4828 && write_info.bw_len == 0) | |
| 4829 end = 1; /* success */ | |
| 4830 } | |
| 4831 close(fd); /* ignore errors for closing read file */ | |
| 4832 } | |
| 4833 } | |
| 4834 else | |
| 4835 { | |
| 4836 if (vim_rename(backup, fname) == 0) | |
| 4837 end = 1; | |
| 4838 } | |
| 4839 } | |
| 4840 goto fail; | |
| 4841 } | |
| 4842 | |
| 4843 lnum -= start; /* compute number of written lines */ | |
| 4844 --no_wait_return; /* may wait for return now */ | |
| 4845 | |
| 4846 #if !(defined(UNIX) || defined(VMS)) | |
| 4847 fname = sfname; /* use shortname now, for the messages */ | |
| 4848 #endif | |
| 4849 if (!filtering) | |
| 4850 { | |
| 4851 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4852 c = FALSE; | |
| 4853 #ifdef FEAT_MBYTE | |
| 4854 if (write_info.bw_conv_error) | |
| 4855 { | |
| 4856 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4857 c = TRUE; | |
| 1947 | 4858 if (write_info.bw_conv_error_lnum != 0) |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
4859 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
| 1947 | 4860 (long)write_info.bw_conv_error_lnum); |
| 7 | 4861 } |
| 4862 else if (notconverted) | |
| 4863 { | |
| 4864 STRCAT(IObuff, _("[NOT converted]")); | |
| 4865 c = TRUE; | |
| 4866 } | |
| 4867 else if (converted) | |
| 4868 { | |
| 4869 STRCAT(IObuff, _("[converted]")); | |
| 4870 c = TRUE; | |
| 4871 } | |
| 4872 #endif | |
| 4873 if (device) | |
| 4874 { | |
| 4875 STRCAT(IObuff, _("[Device]")); | |
| 4876 c = TRUE; | |
| 4877 } | |
| 4878 else if (newfile) | |
| 4879 { | |
| 4880 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4881 c = TRUE; | |
| 4882 } | |
| 4883 if (no_eol) | |
| 4884 { | |
| 4885 msg_add_eol(); | |
| 4886 c = TRUE; | |
| 4887 } | |
| 4888 /* may add [unix/dos/mac] */ | |
| 4889 if (msg_add_fileformat(fileformat)) | |
| 4890 c = TRUE; | |
| 4891 #ifdef FEAT_CRYPT | |
| 4892 if (wb_flags & FIO_ENCRYPTED) | |
| 4893 { | |
| 2717 | 4894 if (crypt_method_used == 1) |
| 4895 STRCAT(IObuff, _("[blowfish]")); | |
| 4896 else | |
| 4897 STRCAT(IObuff, _("[crypted]")); | |
| 7 | 4898 c = TRUE; |
| 4899 } | |
| 4900 #endif | |
| 4901 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4902 if (!shortmess(SHM_WRITE)) | |
| 4903 { | |
| 4904 if (append) | |
| 4905 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4906 else | |
| 4907 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4908 } | |
| 4909 | |
| 679 | 4910 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4911 } |
| 4912 | |
| 39 | 4913 /* When written everything correctly: reset 'modified'. Unless not |
| 4914 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4915 if (reset_changed && whole && !append |
| 7 | 4916 #ifdef FEAT_MBYTE |
| 4917 && !write_info.bw_conv_error | |
| 4918 #endif | |
| 39 | 4919 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4920 ) | |
| 7 | 4921 { |
| 4922 unchanged(buf, TRUE); | |
| 4923 u_unchanged(buf); | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4924 u_update_save_nr(buf); |
| 7 | 4925 } |
| 4926 | |
| 4927 /* | |
| 4928 * If written to the current file, update the timestamp of the swap file | |
| 4929 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4930 */ | |
| 4931 if (overwriting) | |
| 4932 { | |
| 4933 ml_timestamp(buf); | |
| 589 | 4934 if (append) |
| 4935 buf->b_flags &= ~BF_NEW; | |
| 4936 else | |
| 4937 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4938 } |
| 4939 | |
| 4940 /* | |
| 4941 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4942 * the backup file our 'original' file. | |
| 4943 */ | |
| 4944 if (*p_pm && dobackup) | |
| 4945 { | |
| 4946 char *org = (char *)buf_modname( | |
| 4947 #ifdef SHORT_FNAME | |
| 4948 TRUE, | |
| 4949 #else | |
| 4950 (buf->b_p_sn || buf->b_shortname), | |
| 4951 #endif | |
| 4952 fname, p_pm, FALSE); | |
| 4953 | |
| 4954 if (backup != NULL) | |
| 4955 { | |
| 4956 struct stat st; | |
| 4957 | |
| 4958 /* | |
| 4959 * If the original file does not exist yet | |
| 4960 * the current backup file becomes the original file | |
| 4961 */ | |
| 4962 if (org == NULL) | |
| 4963 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4964 else if (mch_stat(org, &st) < 0) | |
| 4965 { | |
| 4966 vim_rename(backup, (char_u *)org); | |
| 4967 vim_free(backup); /* don't delete the file */ | |
| 4968 backup = NULL; | |
| 4969 #ifdef UNIX | |
| 4970 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4971 #endif | |
| 4972 } | |
| 4973 } | |
| 4974 /* | |
| 4975 * If there is no backup file, remember that a (new) file was | |
| 4976 * created. | |
| 4977 */ | |
| 4978 else | |
| 4979 { | |
| 4980 int empty_fd; | |
| 4981 | |
| 4982 if (org == NULL | |
| 557 | 4983 || (empty_fd = mch_open(org, |
| 4984 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4985 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4986 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4987 else | |
| 4988 close(empty_fd); | |
| 4989 } | |
| 4990 if (org != NULL) | |
| 4991 { | |
| 4992 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4993 vim_free(org); | |
| 4994 } | |
| 4995 } | |
| 4996 | |
| 4997 /* | |
| 4998 * Remove the backup unless 'backup' option is set | |
| 4999 */ | |
| 5000 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 5001 EMSG(_("E207: Can't delete backup file")); | |
| 5002 | |
| 5003 #ifdef FEAT_SUN_WORKSHOP | |
| 5004 if (usingSunWorkShop) | |
| 5005 workshop_file_saved((char *) ffname); | |
| 5006 #endif | |
| 5007 | |
| 5008 goto nofail; | |
| 5009 | |
| 5010 /* | |
| 5011 * Finish up. We get here either after failure or success. | |
| 5012 */ | |
| 5013 fail: | |
| 5014 --no_wait_return; /* may wait for return now */ | |
| 5015 nofail: | |
| 5016 | |
| 5017 /* Done saving, we accept changed buffer warnings again */ | |
| 5018 buf->b_saving = FALSE; | |
| 5019 | |
| 5020 vim_free(backup); | |
| 5021 if (buffer != smallbuf) | |
| 5022 vim_free(buffer); | |
| 5023 #ifdef FEAT_MBYTE | |
| 5024 vim_free(fenc_tofree); | |
| 5025 vim_free(write_info.bw_conv_buf); | |
| 5026 # ifdef USE_ICONV | |
| 5027 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 5028 { | |
| 5029 iconv_close(write_info.bw_iconv_fd); | |
| 5030 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 5031 } | |
| 5032 # endif | |
| 5033 #endif | |
| 5034 #ifdef HAVE_ACL | |
| 5035 mch_free_acl(acl); | |
| 5036 #endif | |
| 5037 | |
| 5038 if (errmsg != NULL) | |
| 5039 { | |
| 835 | 5040 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 5041 |
| 5042 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 5043 msg_add_fname(buf, | |
| 5044 #ifndef UNIX | |
| 5045 sfname | |
| 5046 #else | |
| 5047 fname | |
| 5048 #endif | |
| 5049 ); /* put file name in IObuff with quotes */ | |
| 5050 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 5051 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 5052 /* If the error message has the form "is ...", put the error number in | |
| 5053 * front of the file name. */ | |
| 5054 if (errnum != NULL) | |
| 5055 { | |
| 1620 | 5056 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 5057 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 5058 } | |
| 5059 STRCAT(IObuff, errmsg); | |
| 5060 emsg(IObuff); | |
| 1947 | 5061 if (errmsg_allocated) |
| 5062 vim_free(errmsg); | |
| 7 | 5063 |
| 5064 retval = FAIL; | |
| 5065 if (end == 0) | |
| 5066 { | |
| 5067 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 5068 attr | MSG_HIST); | |
| 5069 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 5070 attr | MSG_HIST); | |
| 5071 | |
| 5072 /* Update the timestamp to avoid an "overwrite changed file" | |
| 5073 * prompt when writing again. */ | |
| 5074 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 5075 { | |
| 5076 buf_store_time(buf, &st_old, fname); | |
| 5077 buf->b_mtime_read = buf->b_mtime; | |
| 5078 } | |
| 5079 } | |
| 5080 } | |
| 5081 msg_scroll = msg_save; | |
| 5082 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5083 #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
|
5084 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5085 * 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
|
5086 * file. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5087 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5088 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
|
5089 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5090 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
|
5091 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5092 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
|
5093 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
|
5094 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5095 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5096 |
| 7 | 5097 #ifdef FEAT_AUTOCMD |
| 5098 #ifdef FEAT_EVAL | |
| 5099 if (!should_abort(retval)) | |
| 5100 #else | |
| 5101 if (!got_int) | |
| 5102 #endif | |
| 5103 { | |
| 5104 aco_save_T aco; | |
| 5105 | |
| 5106 /* | |
| 5107 * Apply POST autocommands. | |
| 5108 * Careful: The autocommands may call buf_write() recursively! | |
| 5109 */ | |
| 5110 aucmd_prepbuf(&aco, buf); | |
| 5111 | |
| 5112 if (append) | |
| 5113 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 5114 FALSE, curbuf, eap); | |
| 5115 else if (filtering) | |
| 5116 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 5117 FALSE, curbuf, eap); | |
| 5118 else if (reset_changed && whole) | |
| 5119 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 5120 FALSE, curbuf, eap); | |
| 5121 else | |
| 5122 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 5123 FALSE, curbuf, eap); | |
| 5124 | |
| 5125 /* restore curwin/curbuf and a few other things */ | |
| 5126 aucmd_restbuf(&aco); | |
| 5127 | |
| 5128 #ifdef FEAT_EVAL | |
| 5129 if (aborting()) /* autocmds may abort script processing */ | |
| 5130 retval = FALSE; | |
| 5131 #endif | |
| 5132 } | |
| 5133 #endif | |
| 5134 | |
| 5135 got_int |= prev_got_int; | |
| 5136 | |
| 5137 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 5138 /* Update machine specific information. */ | |
| 5139 mch_post_buffer_write(buf); | |
| 5140 #endif | |
| 5141 return retval; | |
| 5142 } | |
| 5143 | |
| 5144 /* | |
| 633 | 5145 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 5146 * name and a ":r" or ":w" command with a file name is used. | |
| 5147 */ | |
| 5148 static int | |
| 5149 set_rw_fname(fname, sfname) | |
| 5150 char_u *fname; | |
| 5151 char_u *sfname; | |
| 5152 { | |
| 5153 #ifdef FEAT_AUTOCMD | |
| 1905 | 5154 buf_T *buf = curbuf; |
| 5155 | |
| 633 | 5156 /* It's like the unnamed buffer is deleted.... */ |
| 5157 if (curbuf->b_p_bl) | |
| 5158 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 5159 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 5160 # ifdef FEAT_EVAL | |
| 5161 if (aborting()) /* autocmds may abort script processing */ | |
| 5162 return FAIL; | |
| 5163 # endif | |
| 1905 | 5164 if (curbuf != buf) |
| 5165 { | |
| 5166 /* We are in another buffer now, don't do the renaming. */ | |
| 5167 EMSG(_(e_auchangedbuf)); | |
| 5168 return FAIL; | |
| 5169 } | |
| 633 | 5170 #endif |
| 5171 | |
| 5172 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 5173 curbuf->b_flags |= BF_NOTEDITED; | |
| 5174 | |
| 5175 #ifdef FEAT_AUTOCMD | |
| 5176 /* ....and a new named one is created */ | |
| 5177 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 5178 if (curbuf->b_p_bl) | |
| 5179 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 5180 # ifdef FEAT_EVAL | |
| 5181 if (aborting()) /* autocmds may abort script processing */ | |
| 5182 return FAIL; | |
| 5183 # endif | |
| 5184 | |
| 5185 /* Do filetype detection now if 'filetype' is empty. */ | |
| 5186 if (*curbuf->b_p_ft == NUL) | |
| 5187 { | |
| 819 | 5188 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 5189 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 5190 do_modelines(0); |
| 633 | 5191 } |
| 5192 #endif | |
| 5193 | |
| 5194 return OK; | |
| 5195 } | |
| 5196 | |
| 5197 /* | |
| 7 | 5198 * Put file name into IObuff with quotes. |
| 5199 */ | |
| 33 | 5200 void |
| 7 | 5201 msg_add_fname(buf, fname) |
| 5202 buf_T *buf; | |
| 5203 char_u *fname; | |
| 5204 { | |
| 5205 if (fname == NULL) | |
| 5206 fname = (char_u *)"-stdin-"; | |
| 5207 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 5208 IObuff[0] = '"'; | |
| 5209 STRCAT(IObuff, "\" "); | |
| 5210 } | |
| 5211 | |
| 5212 /* | |
| 5213 * Append message for text mode to IObuff. | |
| 5214 * Return TRUE if something appended. | |
| 5215 */ | |
| 5216 static int | |
| 5217 msg_add_fileformat(eol_type) | |
| 5218 int eol_type; | |
| 5219 { | |
| 5220 #ifndef USE_CRNL | |
| 5221 if (eol_type == EOL_DOS) | |
| 5222 { | |
| 5223 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 5224 return TRUE; | |
| 5225 } | |
| 5226 #endif | |
| 5227 #ifndef USE_CR | |
| 5228 if (eol_type == EOL_MAC) | |
| 5229 { | |
| 5230 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 5231 return TRUE; | |
| 5232 } | |
| 5233 #endif | |
| 5234 #if defined(USE_CRNL) || defined(USE_CR) | |
| 5235 if (eol_type == EOL_UNIX) | |
| 5236 { | |
| 5237 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 5238 return TRUE; | |
| 5239 } | |
| 5240 #endif | |
| 5241 return FALSE; | |
| 5242 } | |
| 5243 | |
| 5244 /* | |
| 5245 * Append line and character count to IObuff. | |
| 5246 */ | |
| 33 | 5247 void |
| 7 | 5248 msg_add_lines(insert_space, lnum, nchars) |
| 5249 int insert_space; | |
| 5250 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
|
5251 off_t nchars; |
| 7 | 5252 { |
| 5253 char_u *p; | |
| 5254 | |
| 5255 p = IObuff + STRLEN(IObuff); | |
| 5256 | |
| 5257 if (insert_space) | |
| 5258 *p++ = ' '; | |
| 5259 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
|
5260 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
|
5261 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5262 "%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
|
5263 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5264 /* 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
|
5265 "%ldL, %ldC", lnum, (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5266 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5267 ); |
| 7 | 5268 else |
| 5269 { | |
| 5270 if (lnum == 1) | |
| 5271 STRCPY(p, _("1 line, ")); | |
| 5272 else | |
| 5273 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 5274 p += STRLEN(p); | |
| 5275 if (nchars == 1) | |
| 5276 STRCPY(p, _("1 character")); | |
| 5277 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
|
5278 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
|
5279 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5280 _("%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
|
5281 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5282 /* 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
|
5283 _("%ld characters"), (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5284 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5285 ); |
| 7 | 5286 } |
| 5287 } | |
| 5288 | |
| 5289 /* | |
| 5290 * Append message for missing line separator to IObuff. | |
| 5291 */ | |
| 5292 static void | |
| 5293 msg_add_eol() | |
| 5294 { | |
| 5295 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5296 } | |
| 5297 | |
| 5298 /* | |
| 5299 * Check modification time of file, before writing to it. | |
| 5300 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5301 * using the same timestamp but can't set the size. | |
| 5302 */ | |
| 5303 static int | |
| 5304 check_mtime(buf, st) | |
| 5305 buf_T *buf; | |
| 5306 struct stat *st; | |
| 5307 { | |
| 5308 if (buf->b_mtime_read != 0 | |
| 5309 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5310 { | |
| 5311 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5312 msg_silent = 0; /* must give this prompt */ | |
| 5313 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5314 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5315 hl_attr(HLF_E)); | |
| 5316 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5317 TRUE) == 'n') | |
| 5318 return FAIL; | |
| 5319 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5320 } | |
| 5321 return OK; | |
| 5322 } | |
| 5323 | |
| 5324 static int | |
| 5325 time_differs(t1, t2) | |
| 5326 long t1, t2; | |
| 5327 { | |
| 5328 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5329 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5330 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5331 * time may change unexpectedly by one second!!! */ | |
| 5332 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5333 #else | |
| 5334 return (t1 != t2); | |
| 5335 #endif | |
| 5336 } | |
| 5337 | |
| 5338 /* | |
| 5339 * Call write() to write a number of bytes to the file. | |
| 2664 | 5340 * Handles encryption and 'encoding' conversion. |
| 7 | 5341 * |
| 5342 * Return FAIL for failure, OK otherwise. | |
| 5343 */ | |
| 5344 static int | |
| 5345 buf_write_bytes(ip) | |
| 5346 struct bw_info *ip; | |
| 5347 { | |
| 5348 int wlen; | |
| 5349 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5350 int len = ip->bw_len; /* length of data */ | |
| 5351 #ifdef HAS_BW_FLAGS | |
| 5352 int flags = ip->bw_flags; /* extra flags */ | |
| 5353 #endif | |
| 5354 | |
| 5355 #ifdef FEAT_MBYTE | |
| 5356 /* | |
| 5357 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5358 */ | |
| 5359 if (!(flags & FIO_NOCONVERT)) | |
| 5360 { | |
| 5361 char_u *p; | |
| 5362 unsigned c; | |
| 5363 int n; | |
| 5364 | |
| 5365 if (flags & FIO_UTF8) | |
| 5366 { | |
| 5367 /* | |
| 5368 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5369 */ | |
| 5370 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5371 for (wlen = 0; wlen < len; ++wlen) | |
| 5372 p += utf_char2bytes(buf[wlen], p); | |
| 5373 buf = ip->bw_conv_buf; | |
| 5374 len = (int)(p - ip->bw_conv_buf); | |
| 5375 } | |
| 5376 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5377 { | |
| 5378 /* | |
| 5379 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5380 * Latin1 chars in the file. | |
| 5381 */ | |
| 5382 if (flags & FIO_LATIN1) | |
| 5383 p = buf; /* translate in-place (can only get shorter) */ | |
| 5384 else | |
| 5385 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5386 for (wlen = 0; wlen < len; wlen += n) | |
| 5387 { | |
| 5388 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5389 { | |
| 5390 int l; | |
| 5391 | |
| 5392 /* Use remainder of previous call. Append the start of | |
| 5393 * buf[] to get a full sequence. Might still be too | |
| 5394 * short! */ | |
| 5395 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5396 if (l > len) | |
| 5397 l = len; | |
| 5398 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5399 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5400 if (n > ip->bw_restlen + len) |
| 5401 { | |
| 5402 /* We have an incomplete byte sequence at the end to | |
| 5403 * be written. We can't convert it without the | |
| 5404 * remaining bytes. Keep them for the next call. */ | |
| 5405 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5406 return FAIL; | |
| 5407 ip->bw_restlen += len; | |
| 5408 break; | |
| 5409 } | |
| 5410 if (n > 1) | |
| 5411 c = utf_ptr2char(ip->bw_rest); | |
| 5412 else | |
| 5413 c = ip->bw_rest[0]; | |
| 5414 if (n >= ip->bw_restlen) | |
| 5415 { | |
| 5416 n -= ip->bw_restlen; | |
| 5417 ip->bw_restlen = 0; | |
| 5418 } | |
| 5419 else | |
| 5420 { | |
| 5421 ip->bw_restlen -= n; | |
| 5422 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5423 (size_t)ip->bw_restlen); | |
| 5424 n = 0; | |
| 5425 } | |
| 5426 } | |
| 5427 else | |
| 5428 { | |
| 474 | 5429 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5430 if (n > len - wlen) |
| 5431 { | |
| 5432 /* We have an incomplete byte sequence at the end to | |
| 5433 * be written. We can't convert it without the | |
| 5434 * remaining bytes. Keep them for the next call. */ | |
| 5435 if (len - wlen > CONV_RESTLEN) | |
| 5436 return FAIL; | |
| 5437 ip->bw_restlen = len - wlen; | |
| 5438 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5439 (size_t)ip->bw_restlen); | |
| 5440 break; | |
| 5441 } | |
| 5442 if (n > 1) | |
| 5443 c = utf_ptr2char(buf + wlen); | |
| 5444 else | |
| 5445 c = buf[wlen]; | |
| 5446 } | |
| 5447 | |
| 1947 | 5448 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5449 { | |
| 5450 ip->bw_conv_error = TRUE; | |
| 5451 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5452 } | |
| 5453 if (c == NL) | |
| 5454 ++ip->bw_start_lnum; | |
| 7 | 5455 } |
| 5456 if (flags & FIO_LATIN1) | |
| 5457 len = (int)(p - buf); | |
| 5458 else | |
| 5459 { | |
| 5460 buf = ip->bw_conv_buf; | |
| 5461 len = (int)(p - ip->bw_conv_buf); | |
| 5462 } | |
| 5463 } | |
| 5464 | |
| 5465 # ifdef WIN3264 | |
| 5466 else if (flags & FIO_CODEPAGE) | |
| 5467 { | |
| 5468 /* | |
| 5469 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5470 * codepage. | |
| 5471 */ | |
| 5472 char_u *from; | |
| 5473 size_t fromlen; | |
| 5474 char_u *to; | |
| 5475 int u8c; | |
| 5476 BOOL bad = FALSE; | |
| 5477 int needed; | |
| 5478 | |
| 5479 if (ip->bw_restlen > 0) | |
| 5480 { | |
| 5481 /* Need to concatenate the remainder of the previous call and | |
| 5482 * the bytes of the current call. Use the end of the | |
| 5483 * conversion buffer for this. */ | |
| 5484 fromlen = len + ip->bw_restlen; | |
| 5485 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5486 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5487 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5488 } | |
| 5489 else | |
| 5490 { | |
| 5491 from = buf; | |
| 5492 fromlen = len; | |
| 5493 } | |
| 5494 | |
| 5495 to = ip->bw_conv_buf; | |
| 5496 if (enc_utf8) | |
| 5497 { | |
| 5498 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5499 * The buffer has been allocated to be big enough. */ | |
| 5500 while (fromlen > 0) | |
| 5501 { | |
| 835 | 5502 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5503 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5504 break; | |
| 5505 u8c = utf_ptr2char(from); | |
| 5506 *to++ = (u8c & 0xff); | |
| 5507 *to++ = (u8c >> 8); | |
| 5508 fromlen -= n; | |
| 5509 from += n; | |
| 5510 } | |
| 5511 | |
| 5512 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5513 * call. */ | |
| 5514 if (fromlen > CONV_RESTLEN) | |
| 5515 { | |
| 5516 /* weird overlong sequence */ | |
| 5517 ip->bw_conv_error = TRUE; | |
| 5518 return FAIL; | |
| 5519 } | |
| 5520 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5521 ip->bw_restlen = (int)fromlen; |
| 7 | 5522 } |
| 5523 else | |
| 5524 { | |
| 5525 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5526 * buffer. The buffer has been allocated to be big enough. */ | |
| 5527 ip->bw_restlen = 0; | |
| 5528 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5529 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5530 NULL, 0); |
| 5531 if (needed == 0) | |
| 5532 { | |
| 5533 /* When conversion fails there may be a trailing byte. */ | |
| 5534 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5535 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5536 NULL, 0); |
| 5537 if (needed == 0) | |
| 5538 { | |
| 5539 /* Conversion doesn't work. */ | |
| 5540 ip->bw_conv_error = TRUE; | |
| 5541 return FAIL; | |
| 5542 } | |
| 5543 /* Save the trailing byte for the next call. */ | |
| 5544 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5545 ip->bw_restlen = 1; | |
| 5546 } | |
| 5547 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5548 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5549 (LPWSTR)to, needed); |
| 5550 if (needed == 0) | |
| 5551 { | |
| 5552 /* Safety check: Conversion doesn't work. */ | |
| 5553 ip->bw_conv_error = TRUE; | |
| 5554 return FAIL; | |
| 5555 } | |
| 5556 to += needed * 2; | |
| 5557 } | |
| 5558 | |
| 5559 fromlen = to - ip->bw_conv_buf; | |
| 5560 buf = to; | |
| 5561 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5562 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5563 { | |
| 5564 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5565 * conversion buffer. Fails when out of space. */ | |
| 5566 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5567 { | |
| 5568 u8c = *from++; | |
| 5569 u8c += (*from++ << 8); | |
| 5570 to += utf_char2bytes(u8c, to); | |
| 5571 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5572 { | |
| 5573 ip->bw_conv_error = TRUE; | |
| 5574 return FAIL; | |
| 5575 } | |
| 5576 } | |
| 835 | 5577 len = (int)(to - buf); |
| 7 | 5578 } |
| 5579 else | |
| 5580 #endif | |
| 5581 { | |
| 5582 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5583 * the conversion buffer. If the conversion uses the default | |
| 5584 * character "0", the data doesn't fit in this encoding, so | |
| 5585 * fail. */ | |
| 5586 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5587 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5588 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5589 &bad); | |
| 7 | 5590 if (bad) |
| 5591 { | |
| 5592 ip->bw_conv_error = TRUE; | |
| 5593 return FAIL; | |
| 5594 } | |
| 5595 } | |
| 5596 } | |
| 5597 # endif | |
| 5598 | |
| 765 | 5599 # ifdef MACOS_CONVERT |
| 7 | 5600 else if (flags & FIO_MACROMAN) |
| 5601 { | |
| 5602 /* | |
| 5603 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5604 */ | |
| 5605 char_u *from; | |
| 5606 size_t fromlen; | |
| 5607 | |
| 5608 if (ip->bw_restlen > 0) | |
| 5609 { | |
| 5610 /* Need to concatenate the remainder of the previous call and | |
| 5611 * the bytes of the current call. Use the end of the | |
| 5612 * conversion buffer for this. */ | |
| 5613 fromlen = len + ip->bw_restlen; | |
| 5614 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5615 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5616 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5617 } | |
| 5618 else | |
| 5619 { | |
| 5620 from = buf; | |
| 5621 fromlen = len; | |
| 5622 } | |
| 5623 | |
| 18 | 5624 if (enc2macroman(from, fromlen, |
| 5625 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5626 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5627 { |
| 5628 ip->bw_conv_error = TRUE; | |
| 5629 return FAIL; | |
| 5630 } | |
| 5631 buf = ip->bw_conv_buf; | |
| 5632 } | |
| 5633 # endif | |
| 5634 | |
| 5635 # ifdef USE_ICONV | |
| 5636 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5637 { | |
| 5638 const char *from; | |
| 5639 size_t fromlen; | |
| 5640 char *to; | |
| 5641 size_t tolen; | |
| 5642 | |
| 5643 /* Convert with iconv(). */ | |
| 5644 if (ip->bw_restlen > 0) | |
| 5645 { | |
| 1836 | 5646 char *fp; |
| 5647 | |
| 7 | 5648 /* Need to concatenate the remainder of the previous call and |
| 5649 * the bytes of the current call. Use the end of the | |
| 5650 * conversion buffer for this. */ | |
| 5651 fromlen = len + ip->bw_restlen; | |
| 1836 | 5652 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5653 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5654 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5655 from = fp; | |
| 7 | 5656 tolen = ip->bw_conv_buflen - fromlen; |
| 5657 } | |
| 5658 else | |
| 5659 { | |
| 5660 from = (const char *)buf; | |
| 5661 fromlen = len; | |
| 5662 tolen = ip->bw_conv_buflen; | |
| 5663 } | |
| 5664 to = (char *)ip->bw_conv_buf; | |
| 5665 | |
| 5666 if (ip->bw_first) | |
| 5667 { | |
| 5668 size_t save_len = tolen; | |
| 5669 | |
| 5670 /* output the initial shift state sequence */ | |
| 5671 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5672 | |
| 5673 /* There is a bug in iconv() on Linux (which appears to be | |
| 5674 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5675 */ | |
| 5676 if (to == NULL) | |
| 5677 { | |
| 5678 to = (char *)ip->bw_conv_buf; | |
| 5679 tolen = save_len; | |
| 5680 } | |
| 5681 ip->bw_first = FALSE; | |
| 5682 } | |
| 5683 | |
| 5684 /* | |
| 5685 * If iconv() has an error or there is not enough room, fail. | |
| 5686 */ | |
| 5687 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5688 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5689 || fromlen > CONV_RESTLEN) | |
| 5690 { | |
| 5691 ip->bw_conv_error = TRUE; | |
| 5692 return FAIL; | |
| 5693 } | |
| 5694 | |
| 5695 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5696 if (fromlen > 0) | |
| 5697 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5698 ip->bw_restlen = (int)fromlen; | |
| 5699 | |
| 5700 buf = ip->bw_conv_buf; | |
| 5701 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5702 } | |
| 5703 # endif | |
| 5704 } | |
| 5705 #endif /* FEAT_MBYTE */ | |
| 5706 | |
| 5707 #ifdef FEAT_CRYPT | |
| 5708 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 2244 | 5709 crypt_encode(buf, len, buf); |
| 7 | 5710 #endif |
| 5711 | |
| 2664 | 5712 wlen = write_eintr(ip->bw_fd, buf, len); |
| 5713 return (wlen < len) ? FAIL : OK; | |
| 7 | 5714 } |
| 5715 | |
| 5716 #ifdef FEAT_MBYTE | |
| 5717 /* | |
| 5718 * Convert a Unicode character to bytes. | |
| 1947 | 5719 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5720 */ |
| 5721 static int | |
| 5722 ucs2bytes(c, pp, flags) | |
| 5723 unsigned c; /* in: character */ | |
| 5724 char_u **pp; /* in/out: pointer to result */ | |
| 5725 int flags; /* FIO_ flags */ | |
| 5726 { | |
| 5727 char_u *p = *pp; | |
| 5728 int error = FALSE; | |
| 5729 int cc; | |
| 5730 | |
| 5731 | |
| 5732 if (flags & FIO_UCS4) | |
| 5733 { | |
| 5734 if (flags & FIO_ENDIAN_L) | |
| 5735 { | |
| 5736 *p++ = c; | |
| 5737 *p++ = (c >> 8); | |
| 5738 *p++ = (c >> 16); | |
| 5739 *p++ = (c >> 24); | |
| 5740 } | |
| 5741 else | |
| 5742 { | |
| 5743 *p++ = (c >> 24); | |
| 5744 *p++ = (c >> 16); | |
| 5745 *p++ = (c >> 8); | |
| 5746 *p++ = c; | |
| 5747 } | |
| 5748 } | |
| 5749 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5750 { | |
| 5751 if (c >= 0x10000) | |
| 5752 { | |
| 5753 if (flags & FIO_UTF16) | |
| 5754 { | |
| 5755 /* Make two words, ten bits of the character in each. First | |
| 5756 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5757 c -= 0x10000; | |
| 5758 if (c >= 0x100000) | |
| 5759 error = TRUE; | |
| 5760 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5761 if (flags & FIO_ENDIAN_L) | |
| 5762 { | |
| 5763 *p++ = cc; | |
| 5764 *p++ = ((unsigned)cc >> 8); | |
| 5765 } | |
| 5766 else | |
| 5767 { | |
| 5768 *p++ = ((unsigned)cc >> 8); | |
| 5769 *p++ = cc; | |
| 5770 } | |
| 5771 c = (c & 0x3ff) + 0xdc00; | |
| 5772 } | |
| 5773 else | |
| 5774 error = TRUE; | |
| 5775 } | |
| 5776 if (flags & FIO_ENDIAN_L) | |
| 5777 { | |
| 5778 *p++ = c; | |
| 5779 *p++ = (c >> 8); | |
| 5780 } | |
| 5781 else | |
| 5782 { | |
| 5783 *p++ = (c >> 8); | |
| 5784 *p++ = c; | |
| 5785 } | |
| 5786 } | |
| 5787 else /* Latin1 */ | |
| 5788 { | |
| 5789 if (c >= 0x100) | |
| 5790 { | |
| 5791 error = TRUE; | |
| 5792 *p++ = 0xBF; | |
| 5793 } | |
| 5794 else | |
| 5795 *p++ = c; | |
| 5796 } | |
| 5797 | |
| 5798 *pp = p; | |
| 5799 return error; | |
| 5800 } | |
| 5801 | |
| 5802 /* | |
| 1948 | 5803 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5804 * 'encoding'. | |
| 7 | 5805 */ |
| 5806 static int | |
| 1948 | 5807 need_conversion(fenc) |
| 5808 char_u *fenc; | |
| 7 | 5809 { |
| 1948 | 5810 int same_encoding; |
| 5811 int enc_flags; | |
| 5812 int fenc_flags; | |
| 5813 | |
| 5814 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5815 { |
| 1948 | 5816 same_encoding = TRUE; |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5817 fenc_flags = 0; |
|
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5818 } |
| 1948 | 5819 else |
| 5820 { | |
| 5821 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5822 * "ucs-4be", etc. */ | |
| 5823 enc_flags = get_fio_flags(p_enc); | |
| 5824 fenc_flags = get_fio_flags(fenc); | |
| 5825 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5826 } | |
| 5827 if (same_encoding) | |
| 5828 { | |
| 5829 /* Specified encoding matches with 'encoding'. This requires | |
| 5830 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5831 return enc_unicode != 0; | |
| 5832 } | |
| 5833 | |
| 5834 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5835 * Unicode encoding and the file is UTF-8. */ | |
| 5836 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5837 } |
| 5838 | |
| 5839 /* | |
| 5840 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5841 * internal conversion. | |
| 5842 * if "ptr" is an empty string, use 'encoding'. | |
| 5843 */ | |
| 5844 static int | |
| 5845 get_fio_flags(ptr) | |
| 5846 char_u *ptr; | |
| 5847 { | |
| 5848 int prop; | |
| 5849 | |
| 5850 if (*ptr == NUL) | |
| 5851 ptr = p_enc; | |
| 5852 | |
| 5853 prop = enc_canon_props(ptr); | |
| 5854 if (prop & ENC_UNICODE) | |
| 5855 { | |
| 5856 if (prop & ENC_2BYTE) | |
| 5857 { | |
| 5858 if (prop & ENC_ENDIAN_L) | |
| 5859 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5860 return FIO_UCS2; | |
| 5861 } | |
| 5862 if (prop & ENC_4BYTE) | |
| 5863 { | |
| 5864 if (prop & ENC_ENDIAN_L) | |
| 5865 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5866 return FIO_UCS4; | |
| 5867 } | |
| 5868 if (prop & ENC_2WORD) | |
| 5869 { | |
| 5870 if (prop & ENC_ENDIAN_L) | |
| 5871 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5872 return FIO_UTF16; | |
| 5873 } | |
| 5874 return FIO_UTF8; | |
| 5875 } | |
| 5876 if (prop & ENC_LATIN1) | |
| 5877 return FIO_LATIN1; | |
| 5878 /* must be ENC_DBCS, requires iconv() */ | |
| 5879 return 0; | |
| 5880 } | |
| 5881 | |
| 5882 #ifdef WIN3264 | |
| 5883 /* | |
| 5884 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5885 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5886 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5887 */ | |
| 5888 static int | |
| 5889 get_win_fio_flags(ptr) | |
| 5890 char_u *ptr; | |
| 5891 { | |
| 5892 int cp; | |
| 5893 | |
| 5894 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5895 if (!enc_utf8 && enc_codepage <= 0) | |
| 5896 return 0; | |
| 5897 | |
| 5898 cp = encname2codepage(ptr); | |
| 5899 if (cp == 0) | |
| 5900 { | |
| 5901 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5902 if (STRCMP(ptr, "utf-8") == 0) | |
| 5903 cp = CP_UTF8; | |
| 5904 else | |
| 5905 # endif | |
| 5906 return 0; | |
| 5907 } | |
| 5908 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5909 } | |
| 5910 #endif | |
| 5911 | |
| 5912 #ifdef MACOS_X | |
| 5913 /* | |
| 5914 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5915 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5916 */ | |
| 5917 static int | |
| 5918 get_mac_fio_flags(ptr) | |
| 5919 char_u *ptr; | |
| 5920 { | |
| 5921 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5922 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5923 return FIO_MACROMAN; | |
| 5924 return 0; | |
| 5925 } | |
| 5926 #endif | |
| 5927 | |
| 5928 /* | |
| 5929 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5930 * "size" must be at least 2. | |
| 5931 * Return the name of the encoding and set "*lenp" to the length. | |
| 5932 * Returns NULL when no BOM found. | |
| 5933 */ | |
| 5934 static char_u * | |
| 5935 check_for_bom(p, size, lenp, flags) | |
| 5936 char_u *p; | |
| 5937 long size; | |
| 5938 int *lenp; | |
| 5939 int flags; | |
| 5940 { | |
| 5941 char *name = NULL; | |
| 5942 int len = 2; | |
| 5943 | |
| 5944 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5945 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5946 { |
| 5947 name = "utf-8"; /* EF BB BF */ | |
| 5948 len = 3; | |
| 5949 } | |
| 5950 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5951 { | |
| 5952 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5953 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5954 { | |
| 5955 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5956 len = 4; | |
| 5957 } | |
| 1735 | 5958 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5959 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5960 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5961 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5962 name = "utf-16le"; /* FF FE */ |
| 5963 } | |
| 5964 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5965 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5966 { | |
| 1547 | 5967 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5968 if (flags == FIO_UCS2) | |
| 5969 name = "ucs-2"; /* FE FF */ | |
| 5970 else | |
| 7 | 5971 name = "utf-16"; /* FE FF */ |
| 5972 } | |
| 5973 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5974 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5975 { | |
| 5976 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5977 len = 4; | |
| 5978 } | |
| 5979 | |
| 5980 *lenp = len; | |
| 5981 return (char_u *)name; | |
| 5982 } | |
| 5983 | |
| 5984 /* | |
| 5985 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5986 * Return the length of the BOM (zero when no BOM). | |
| 5987 */ | |
| 5988 static int | |
| 5989 make_bom(buf, name) | |
| 5990 char_u *buf; | |
| 5991 char_u *name; | |
| 5992 { | |
| 5993 int flags; | |
| 5994 char_u *p; | |
| 5995 | |
| 5996 flags = get_fio_flags(name); | |
| 5997 | |
| 5998 /* Can't put a BOM in a non-Unicode file. */ | |
| 5999 if (flags == FIO_LATIN1 || flags == 0) | |
| 6000 return 0; | |
| 6001 | |
| 6002 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 6003 { | |
| 6004 buf[0] = 0xef; | |
| 6005 buf[1] = 0xbb; | |
| 6006 buf[2] = 0xbf; | |
| 6007 return 3; | |
| 6008 } | |
| 6009 p = buf; | |
| 6010 (void)ucs2bytes(0xfeff, &p, flags); | |
| 6011 return (int)(p - buf); | |
| 6012 } | |
| 6013 #endif | |
| 6014 | |
| 1418 | 6015 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 6016 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 6017 /* |
| 6018 * Try to find a shortname by comparing the fullname with the current | |
| 6019 * directory. | |
| 1411 | 6020 * Returns "full_path" or pointer into "full_path" if shortened. |
| 6021 */ | |
| 6022 char_u * | |
| 6023 shorten_fname1(full_path) | |
| 6024 char_u *full_path; | |
| 6025 { | |
| 2770 | 6026 char_u *dirname; |
| 1411 | 6027 char_u *p = full_path; |
| 6028 | |
| 2770 | 6029 dirname = alloc(MAXPATHL); |
| 6030 if (dirname == NULL) | |
| 6031 return full_path; | |
| 1411 | 6032 if (mch_dirname(dirname, MAXPATHL) == OK) |
| 6033 { | |
| 6034 p = shorten_fname(full_path, dirname); | |
| 6035 if (p == NULL || *p == NUL) | |
| 6036 p = full_path; | |
| 6037 } | |
| 2770 | 6038 vim_free(dirname); |
| 1411 | 6039 return p; |
| 6040 } | |
| 1418 | 6041 #endif |
| 1411 | 6042 |
| 6043 /* | |
| 6044 * Try to find a shortname by comparing the fullname with the current | |
| 6045 * directory. | |
| 7 | 6046 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 6047 * otherwise. | |
| 6048 */ | |
| 6049 char_u * | |
| 6050 shorten_fname(full_path, dir_name) | |
| 6051 char_u *full_path; | |
| 6052 char_u *dir_name; | |
| 6053 { | |
| 6054 int len; | |
| 6055 char_u *p; | |
| 6056 | |
| 6057 if (full_path == NULL) | |
| 6058 return NULL; | |
| 6059 len = (int)STRLEN(dir_name); | |
| 6060 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 6061 { | |
| 6062 p = full_path + len; | |
| 6063 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6064 /* | |
| 6065 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 6066 * slash, since C: by itself does not define a specific dir. In this | |
| 6067 * case p may already be correct. <negri> | |
| 6068 */ | |
| 6069 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 6070 #endif | |
| 6071 { | |
| 6072 if (vim_ispathsep(*p)) | |
| 6073 ++p; | |
| 6074 #ifndef VMS /* the path separator is always part of the path */ | |
| 6075 else | |
| 6076 p = NULL; | |
| 6077 #endif | |
| 6078 } | |
| 6079 } | |
| 6080 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6081 /* | |
| 6082 * When using a file in the current drive, remove the drive name: | |
| 6083 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 6084 * a floppy from "A:\dir" to "B:\dir". | |
| 6085 */ | |
| 6086 else if (len > 3 | |
| 6087 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 6088 && full_path[1] == ':' | |
| 6089 && vim_ispathsep(full_path[2])) | |
| 6090 p = full_path + 2; | |
| 6091 #endif | |
| 6092 else | |
| 6093 p = NULL; | |
| 6094 return p; | |
| 6095 } | |
| 6096 | |
| 6097 /* | |
| 6098 * Shorten filenames for all buffers. | |
| 6099 * When "force" is TRUE: Use full path from now on for files currently being | |
| 6100 * edited, both for file name and swap file name. Try to shorten the file | |
| 6101 * names a bit, if safe to do so. | |
| 6102 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 6103 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 6104 * name. | |
| 6105 */ | |
| 6106 void | |
| 6107 shorten_fnames(force) | |
| 6108 int force; | |
| 6109 { | |
| 6110 char_u dirname[MAXPATHL]; | |
| 6111 buf_T *buf; | |
| 6112 char_u *p; | |
| 6113 | |
| 6114 mch_dirname(dirname, MAXPATHL); | |
| 6115 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 6116 { | |
| 6117 if (buf->b_fname != NULL | |
| 6118 #ifdef FEAT_QUICKFIX | |
| 6119 && !bt_nofile(buf) | |
| 6120 #endif | |
| 6121 && !path_with_url(buf->b_fname) | |
| 6122 && (force | |
| 6123 || buf->b_sfname == NULL | |
| 6124 || mch_isFullName(buf->b_sfname))) | |
| 6125 { | |
| 6126 vim_free(buf->b_sfname); | |
| 6127 buf->b_sfname = NULL; | |
| 6128 p = shorten_fname(buf->b_ffname, dirname); | |
| 6129 if (p != NULL) | |
| 6130 { | |
| 6131 buf->b_sfname = vim_strsave(p); | |
| 6132 buf->b_fname = buf->b_sfname; | |
| 6133 } | |
| 6134 if (p == NULL || buf->b_fname == NULL) | |
| 6135 buf->b_fname = buf->b_ffname; | |
| 9 | 6136 } |
| 6137 | |
| 6138 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 6139 * also have a swap file. */ | |
| 6140 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 6141 } |
| 6142 #ifdef FEAT_WINDOWS | |
| 6143 status_redraw_all(); | |
| 672 | 6144 redraw_tabline = TRUE; |
| 7 | 6145 #endif |
| 6146 } | |
| 6147 | |
| 6148 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 6149 || defined(FEAT_GUI_MSWIN) \ | |
| 6150 || defined(FEAT_GUI_MAC) \ | |
| 6151 || defined(PROTO) | |
| 6152 /* | |
| 6153 * Shorten all filenames in "fnames[count]" by current directory. | |
| 6154 */ | |
| 6155 void | |
| 6156 shorten_filenames(fnames, count) | |
| 6157 char_u **fnames; | |
| 6158 int count; | |
| 6159 { | |
| 6160 int i; | |
| 6161 char_u dirname[MAXPATHL]; | |
| 6162 char_u *p; | |
| 6163 | |
| 6164 if (fnames == NULL || count < 1) | |
| 6165 return; | |
| 6166 mch_dirname(dirname, sizeof(dirname)); | |
| 6167 for (i = 0; i < count; ++i) | |
| 6168 { | |
| 6169 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 6170 { | |
| 6171 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 6172 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 6173 * "p" first then free fnames[i]. */ | |
| 6174 p = vim_strsave(p); | |
| 6175 vim_free(fnames[i]); | |
| 6176 fnames[i] = p; | |
| 6177 } | |
| 6178 } | |
| 6179 } | |
| 6180 #endif | |
| 6181 | |
| 6182 /* | |
| 1651 | 6183 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 6184 * fo_o_h.ext for MSDOS or when shortname option set. |
| 6185 * | |
| 6186 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 6187 * the return value is a different name and ends in 'ext'. | |
| 6188 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 6189 * characters otherwise. | |
| 6190 * Space for the returned name is allocated, must be freed later. | |
| 6191 * Returns NULL when out of memory. | |
| 6192 */ | |
| 6193 char_u * | |
| 6194 modname(fname, ext, prepend_dot) | |
| 6195 char_u *fname, *ext; | |
| 6196 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6197 { | |
| 6198 return buf_modname( | |
| 6199 #ifdef SHORT_FNAME | |
| 6200 TRUE, | |
| 6201 #else | |
| 6202 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 6203 #endif | |
| 6204 fname, ext, prepend_dot); | |
| 6205 } | |
| 6206 | |
| 6207 char_u * | |
| 6208 buf_modname(shortname, fname, ext, prepend_dot) | |
| 6209 int shortname; /* use 8.3 file name */ | |
| 6210 char_u *fname, *ext; | |
| 6211 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6212 { | |
| 6213 char_u *retval; | |
| 6214 char_u *s; | |
| 6215 char_u *e; | |
| 6216 char_u *ptr; | |
| 6217 int fnamelen, extlen; | |
| 6218 | |
| 6219 extlen = (int)STRLEN(ext); | |
| 6220 | |
| 6221 /* | |
| 6222 * If there is no file name we must get the name of the current directory | |
| 6223 * (we need the full path in case :cd is used). | |
| 6224 */ | |
| 6225 if (fname == NULL || *fname == NUL) | |
| 6226 { | |
| 6227 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 6228 if (retval == NULL) | |
| 6229 return NULL; | |
| 6230 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 6231 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 6232 { | |
| 6233 vim_free(retval); | |
| 6234 return NULL; | |
| 6235 } | |
| 39 | 6236 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 6237 { |
| 6238 retval[fnamelen++] = PATHSEP; | |
| 6239 retval[fnamelen] = NUL; | |
| 6240 } | |
| 6241 #ifndef SHORT_FNAME | |
| 6242 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 6243 #endif | |
| 6244 } | |
| 6245 else | |
| 6246 { | |
| 6247 fnamelen = (int)STRLEN(fname); | |
| 6248 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 6249 if (retval == NULL) | |
| 6250 return NULL; | |
| 6251 STRCPY(retval, fname); | |
| 6252 #ifdef VMS | |
| 6253 vms_remove_version(retval); /* we do not need versions here */ | |
| 6254 #endif | |
| 6255 } | |
| 6256 | |
| 6257 /* | |
| 6258 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 6259 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 6260 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 6261 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 6262 */ | |
| 391 | 6263 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 6264 { |
| 6265 #ifndef RISCOS | |
| 6266 if (*ext == '.' | |
| 391 | 6267 # ifdef USE_LONG_FNAME |
| 7 | 6268 && (!USE_LONG_FNAME || shortname) |
| 391 | 6269 # else |
| 6270 # ifndef SHORT_FNAME | |
| 7 | 6271 && shortname |
| 391 | 6272 # endif |
| 7 | 6273 # endif |
| 6274 ) | |
| 6275 if (*ptr == '.') /* replace '.' by '_' */ | |
| 6276 *ptr = '_'; | |
| 391 | 6277 #endif |
| 7 | 6278 if (vim_ispathsep(*ptr)) |
| 391 | 6279 { |
| 6280 ++ptr; | |
| 7 | 6281 break; |
| 391 | 6282 } |
| 6283 } | |
| 7 | 6284 |
| 6285 /* the file name has at most BASENAMELEN characters. */ | |
| 6286 #ifndef SHORT_FNAME | |
| 6287 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6288 ptr[BASENAMELEN] = '\0'; | |
| 6289 #endif | |
| 6290 | |
| 6291 s = ptr + STRLEN(ptr); | |
| 6292 | |
| 6293 /* | |
| 6294 * For 8.3 file names we may have to reduce the length. | |
| 6295 */ | |
| 6296 #ifdef USE_LONG_FNAME | |
| 6297 if (!USE_LONG_FNAME || shortname) | |
| 6298 #else | |
| 6299 # ifndef SHORT_FNAME | |
| 6300 if (shortname) | |
| 6301 # endif | |
| 6302 #endif | |
| 6303 { | |
| 6304 /* | |
| 6305 * If there is no file name, or the file name ends in '/', and the | |
| 6306 * extension starts with '.', put a '_' before the dot, because just | |
| 6307 * ".ext" is invalid. | |
| 6308 */ | |
| 6309 if (fname == NULL || *fname == NUL | |
| 6310 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6311 { | |
| 6312 #ifdef RISCOS | |
| 6313 if (*ext == '/') | |
| 6314 #else | |
| 6315 if (*ext == '.') | |
| 6316 #endif | |
| 6317 *s++ = '_'; | |
| 6318 } | |
| 6319 /* | |
| 6320 * If the extension starts with '.', truncate the base name at 8 | |
| 6321 * characters | |
| 6322 */ | |
| 6323 #ifdef RISCOS | |
| 6324 /* We normally use '/', but swap files are '_' */ | |
| 6325 else if (*ext == '/' || *ext == '_') | |
| 6326 #else | |
| 6327 else if (*ext == '.') | |
| 6328 #endif | |
| 6329 { | |
| 1877 | 6330 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6331 { |
| 6332 s = ptr + 8; | |
| 6333 *s = '\0'; | |
| 6334 } | |
| 6335 } | |
| 6336 /* | |
| 6337 * If the extension doesn't start with '.', and the file name | |
| 6338 * doesn't have an extension yet, append a '.' | |
| 6339 */ | |
| 6340 #ifdef RISCOS | |
| 6341 else if ((e = vim_strchr(ptr, '/')) == NULL) | |
| 6342 *s++ = '/'; | |
| 6343 #else | |
| 6344 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6345 *s++ = '.'; | |
| 6346 #endif | |
| 6347 /* | |
| 6348 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6349 * extension, it may need to be truncated |
| 7 | 6350 */ |
| 6351 else if ((int)STRLEN(e) + extlen > 4) | |
| 6352 s = e + 4 - extlen; | |
| 6353 } | |
| 6354 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6355 /* | |
| 6356 * If there is no file name, and the extension starts with '.', put a | |
| 6357 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6358 * FAT partition, and on HPFS it doesn't matter. | |
| 6359 */ | |
| 6360 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6361 *s++ = '_'; | |
| 6362 #endif | |
| 6363 | |
| 6364 /* | |
| 1651 | 6365 * Append the extension. |
| 7 | 6366 * ext can start with '.' and cannot exceed 3 more characters. |
| 6367 */ | |
| 6368 STRCPY(s, ext); | |
| 6369 | |
| 6370 #ifndef SHORT_FNAME | |
| 6371 /* | |
| 6372 * Prepend the dot. | |
| 6373 */ | |
| 6374 if (prepend_dot && !shortname && *(e = gettail(retval)) != | |
| 6375 #ifdef RISCOS | |
| 6376 '/' | |
| 6377 #else | |
| 6378 '.' | |
| 6379 #endif | |
| 6380 #ifdef USE_LONG_FNAME | |
| 6381 && USE_LONG_FNAME | |
| 6382 #endif | |
| 6383 ) | |
| 6384 { | |
| 1620 | 6385 STRMOVE(e + 1, e); |
| 7 | 6386 #ifdef RISCOS |
| 6387 *e = '/'; | |
| 6388 #else | |
| 6389 *e = '.'; | |
| 6390 #endif | |
| 6391 } | |
| 6392 #endif | |
| 6393 | |
| 6394 /* | |
| 6395 * Check that, after appending the extension, the file name is really | |
| 6396 * different. | |
| 6397 */ | |
| 6398 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6399 { | |
| 6400 /* we search for a character that can be replaced by '_' */ | |
| 6401 while (--s >= ptr) | |
| 6402 { | |
| 6403 if (*s != '_') | |
| 6404 { | |
| 6405 *s = '_'; | |
| 6406 break; | |
| 6407 } | |
| 6408 } | |
| 6409 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6410 *ptr = 'v'; | |
| 6411 } | |
| 6412 return retval; | |
| 6413 } | |
| 6414 | |
| 6415 /* | |
| 6416 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6417 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6418 */ | |
| 6419 int | |
| 6420 vim_fgets(buf, size, fp) | |
| 6421 char_u *buf; | |
| 6422 int size; | |
| 6423 FILE *fp; | |
| 6424 { | |
| 6425 char *eof; | |
| 6426 #define FGETS_SIZE 200 | |
| 6427 char tbuf[FGETS_SIZE]; | |
| 6428 | |
| 6429 buf[size - 2] = NUL; | |
| 6430 #ifdef USE_CR | |
| 6431 eof = fgets_cr((char *)buf, size, fp); | |
| 6432 #else | |
| 6433 eof = fgets((char *)buf, size, fp); | |
| 6434 #endif | |
| 6435 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6436 { | |
| 6437 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6438 | |
| 6439 /* Now throw away the rest of the line: */ | |
| 6440 do | |
| 6441 { | |
| 6442 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6443 #ifdef USE_CR | |
| 1757 | 6444 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6445 #else |
| 1757 | 6446 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6447 #endif |
| 6448 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6449 } | |
| 6450 return (eof == NULL); | |
| 6451 } | |
| 6452 | |
| 6453 #if defined(USE_CR) || defined(PROTO) | |
| 6454 /* | |
| 6455 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6456 * Returns TRUE for end-of-file. | |
| 6457 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6458 */ | |
| 6459 int | |
| 6460 tag_fgets(buf, size, fp) | |
| 6461 char_u *buf; | |
| 6462 int size; | |
| 6463 FILE *fp; | |
| 6464 { | |
| 6465 int i = 0; | |
| 6466 int c; | |
| 6467 int eof = FALSE; | |
| 6468 | |
| 6469 for (;;) | |
| 6470 { | |
| 6471 c = fgetc(fp); | |
| 6472 if (c == EOF) | |
| 6473 { | |
| 6474 eof = TRUE; | |
| 6475 break; | |
| 6476 } | |
| 6477 if (c == '\r') | |
| 6478 { | |
| 6479 /* Always store a NL for end-of-line. */ | |
| 6480 if (i < size - 1) | |
| 6481 buf[i++] = '\n'; | |
| 6482 c = fgetc(fp); | |
| 6483 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6484 ungetc(c, fp); | |
| 6485 break; | |
| 6486 } | |
| 6487 if (i < size - 1) | |
| 6488 buf[i++] = c; | |
| 6489 if (c == '\n') | |
| 6490 break; | |
| 6491 } | |
| 6492 buf[i] = NUL; | |
| 6493 return eof; | |
| 6494 } | |
| 6495 #endif | |
| 6496 | |
| 6497 /* | |
| 6498 * rename() only works if both files are on the same file system, this | |
| 6499 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6500 * Return -1 for failure, 0 for success. | |
| 6501 */ | |
| 6502 int | |
| 6503 vim_rename(from, to) | |
| 6504 char_u *from; | |
| 6505 char_u *to; | |
| 6506 { | |
| 6507 int fd_in; | |
| 6508 int fd_out; | |
| 6509 int n; | |
| 6510 char *errmsg = NULL; | |
| 6511 char *buffer; | |
| 6512 #ifdef AMIGA | |
| 6513 BPTR flock; | |
| 6514 #endif | |
| 6515 struct stat st; | |
| 194 | 6516 long perm; |
| 199 | 6517 #ifdef HAVE_ACL |
| 6518 vim_acl_T acl; /* ACL from original file */ | |
| 6519 #endif | |
| 1779 | 6520 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
| 6521 int use_tmp_file = FALSE; | |
| 6522 #endif | |
| 7 | 6523 |
| 6524 /* | |
| 1779 | 6525 * When the names are identical, there is nothing to do. When they refer |
| 6526 * to the same file (ignoring case and slash/backslash differences) but | |
| 6527 * the file name differs we need to go through a temp file. | |
| 7 | 6528 */ |
| 6529 if (fnamecmp(from, to) == 0) | |
| 1779 | 6530 { |
| 6531 #ifdef CASE_INSENSITIVE_FILENAME | |
| 6532 if (STRCMP(gettail(from), gettail(to)) != 0) | |
| 6533 use_tmp_file = TRUE; | |
| 6534 else | |
| 6535 #endif | |
| 6536 return 0; | |
| 6537 } | |
| 7 | 6538 |
| 6539 /* | |
| 6540 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6541 */ | |
| 6542 if (mch_stat((char *)from, &st) < 0) | |
| 6543 return -1; | |
| 6544 | |
| 1778 | 6545 #ifdef UNIX |
| 6546 { | |
| 6547 struct stat st_to; | |
| 6548 | |
| 6549 /* It's possible for the source and destination to be the same file. | |
| 6550 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6551 * filesystem. In that case go through a temp file name. */ | |
| 6552 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6553 && st.st_dev == st_to.st_dev | |
| 6554 && st.st_ino == st_to.st_ino) | |
| 1779 | 6555 use_tmp_file = TRUE; |
| 6556 } | |
| 6557 #endif | |
| 2793 | 6558 #ifdef WIN3264 |
| 6559 { | |
| 6560 BY_HANDLE_FILE_INFORMATION info1, info2; | |
| 6561 | |
| 6562 /* It's possible for the source and destination to be the same file. | |
| 6563 * In that case go through a temp file name. This makes rename("foo", | |
| 6564 * "./foo") a no-op (in a complicated way). */ | |
| 6565 if (win32_fileinfo(from, &info1) == FILEINFO_OK | |
| 6566 && win32_fileinfo(to, &info2) == FILEINFO_OK | |
| 6567 && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber | |
| 6568 && info1.nFileIndexHigh == info2.nFileIndexHigh | |
| 6569 && info1.nFileIndexLow == info2.nFileIndexLow) | |
| 6570 use_tmp_file = TRUE; | |
| 6571 } | |
| 6572 #endif | |
| 1779 | 6573 |
| 6574 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
| 6575 if (use_tmp_file) | |
| 6576 { | |
| 6577 char tempname[MAXPATHL + 1]; | |
| 6578 | |
| 6579 /* | |
| 6580 * Find a name that doesn't exist and is in the same directory. | |
| 6581 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6582 */ | |
| 6583 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6584 return -1; | |
| 6585 STRCPY(tempname, from); | |
| 6586 for (n = 123; n < 99999; ++n) | |
| 6587 { | |
| 6588 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6589 if (mch_stat(tempname, &st) < 0) | |
| 6590 { | |
| 6591 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6592 { |
| 1779 | 6593 if (mch_rename(tempname, (char *)to) == 0) |
| 6594 return 0; | |
| 6595 /* Strange, the second step failed. Try moving the | |
| 6596 * file back and return failure. */ | |
| 6597 mch_rename(tempname, (char *)from); | |
| 1778 | 6598 return -1; |
| 6599 } | |
| 1779 | 6600 /* If it fails for one temp name it will most likely fail |
| 6601 * for any temp name, give up. */ | |
| 6602 return -1; | |
| 6603 } | |
| 6604 } | |
| 6605 return -1; | |
| 1778 | 6606 } |
| 6607 #endif | |
| 6608 | |
| 7 | 6609 /* |
| 6610 * Delete the "to" file, this is required on some systems to make the | |
| 6611 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6612 * two files when the mch_rename() fails. | |
| 6613 */ | |
| 6614 | |
| 6615 #ifdef AMIGA | |
| 6616 /* | |
| 6617 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6618 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6619 * though the names are different. To avoid the chance of accidentally |
| 7 | 6620 * deleting the "from" file (horror!) we lock it during the remove. |
| 6621 * | |
| 6622 * When used for making a backup before writing the file: This should not | |
| 6623 * happen with ":w", because startscript() should detect this problem and | |
| 6624 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6625 * name. This problem does exist with ":w filename", but then the | |
| 6626 * original file will be somewhere else so the backup isn't really | |
| 6627 * important. If autoscripting is off the rename may fail. | |
| 6628 */ | |
| 6629 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6630 #endif | |
| 6631 mch_remove(to); | |
| 6632 #ifdef AMIGA | |
| 6633 if (flock) | |
| 6634 UnLock(flock); | |
| 6635 #endif | |
| 6636 | |
| 6637 /* | |
| 6638 * First try a normal rename, return if it works. | |
| 6639 */ | |
| 6640 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6641 return 0; | |
| 6642 | |
| 6643 /* | |
| 6644 * Rename() failed, try copying the file. | |
| 6645 */ | |
| 194 | 6646 perm = mch_getperm(from); |
| 199 | 6647 #ifdef HAVE_ACL |
| 6648 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6649 acl = mch_get_acl(from); | |
| 6650 #endif | |
| 7 | 6651 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6652 if (fd_in == -1) | |
| 1651 | 6653 { |
| 6654 #ifdef HAVE_ACL | |
| 6655 mch_free_acl(acl); | |
| 6656 #endif | |
| 7 | 6657 return -1; |
| 1651 | 6658 } |
| 194 | 6659 |
| 6660 /* Create the new file with same permissions as the original. */ | |
| 557 | 6661 fd_out = mch_open((char *)to, |
| 6662 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6663 if (fd_out == -1) |
| 6664 { | |
| 6665 close(fd_in); | |
| 1651 | 6666 #ifdef HAVE_ACL |
| 6667 mch_free_acl(acl); | |
| 6668 #endif | |
| 7 | 6669 return -1; |
| 6670 } | |
| 6671 | |
| 6672 buffer = (char *)alloc(BUFSIZE); | |
| 6673 if (buffer == NULL) | |
| 6674 { | |
| 1651 | 6675 close(fd_out); |
| 7 | 6676 close(fd_in); |
| 1651 | 6677 #ifdef HAVE_ACL |
| 6678 mch_free_acl(acl); | |
| 6679 #endif | |
| 7 | 6680 return -1; |
| 6681 } | |
| 6682 | |
| 2664 | 6683 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
| 6684 if (write_eintr(fd_out, buffer, n) != n) | |
| 7 | 6685 { |
| 6686 errmsg = _("E208: Error writing to \"%s\""); | |
| 6687 break; | |
| 6688 } | |
| 6689 | |
| 6690 vim_free(buffer); | |
| 6691 close(fd_in); | |
| 6692 if (close(fd_out) < 0) | |
| 6693 errmsg = _("E209: Error closing \"%s\""); | |
| 6694 if (n < 0) | |
| 6695 { | |
| 6696 errmsg = _("E210: Error reading \"%s\""); | |
| 6697 to = from; | |
| 6698 } | |
| 1201 | 6699 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6700 mch_setperm(to, perm); |
| 570 | 6701 #endif |
| 199 | 6702 #ifdef HAVE_ACL |
| 6703 mch_set_acl(to, acl); | |
| 1651 | 6704 mch_free_acl(acl); |
| 199 | 6705 #endif |
| 7 | 6706 if (errmsg != NULL) |
| 6707 { | |
| 6708 EMSG2(errmsg, to); | |
| 6709 return -1; | |
| 6710 } | |
| 6711 mch_remove(from); | |
| 6712 return 0; | |
| 6713 } | |
| 6714 | |
| 6715 static int already_warned = FALSE; | |
| 6716 | |
| 6717 /* | |
| 6718 * Check if any not hidden buffer has been changed. | |
| 6719 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6720 * command is being executed, a mapping is being executed or an autocommand is | |
| 6721 * busy. | |
| 6722 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6723 * cursor positioned). | |
| 6724 */ | |
| 6725 int | |
| 6726 check_timestamps(focus) | |
| 6727 int focus; /* called for GUI focus event */ | |
| 6728 { | |
| 6729 buf_T *buf; | |
| 6730 int didit = 0; | |
| 6731 int n; | |
| 6732 | |
| 6733 /* Don't check timestamps while system() or another low-level function may | |
| 6734 * cause us to lose and gain focus. */ | |
| 6735 if (no_check_timestamps > 0) | |
| 6736 return FALSE; | |
| 6737 | |
| 6738 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6739 * event and we would keep on checking if the file is steadily growing. | |
| 6740 * Do check again after typing something. */ | |
| 6741 if (focus && did_check_timestamps) | |
| 6742 { | |
| 6743 need_check_timestamps = TRUE; | |
| 6744 return FALSE; | |
| 6745 } | |
| 6746 | |
| 6747 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6748 #ifdef FEAT_AUTOCMD | |
| 1834 | 6749 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6750 #endif |
| 6751 ) | |
| 6752 need_check_timestamps = TRUE; /* check later */ | |
| 6753 else | |
| 6754 { | |
| 6755 ++no_wait_return; | |
| 6756 did_check_timestamps = TRUE; | |
| 6757 already_warned = FALSE; | |
| 6758 for (buf = firstbuf; buf != NULL; ) | |
| 6759 { | |
| 6760 /* Only check buffers in a window. */ | |
| 6761 if (buf->b_nwindows > 0) | |
| 6762 { | |
| 6763 n = buf_check_timestamp(buf, focus); | |
| 6764 if (didit < n) | |
| 6765 didit = n; | |
| 6766 if (n > 0 && !buf_valid(buf)) | |
| 6767 { | |
| 6768 /* Autocommands have removed the buffer, start at the | |
| 6769 * first one again. */ | |
| 6770 buf = firstbuf; | |
| 6771 continue; | |
| 6772 } | |
| 6773 } | |
| 6774 buf = buf->b_next; | |
| 6775 } | |
| 6776 --no_wait_return; | |
| 6777 need_check_timestamps = FALSE; | |
| 6778 if (need_wait_return && didit == 2) | |
| 6779 { | |
| 6780 /* make sure msg isn't overwritten */ | |
| 6781 msg_puts((char_u *)"\n"); | |
| 6782 out_flush(); | |
| 6783 } | |
| 6784 } | |
| 6785 return didit; | |
| 6786 } | |
| 6787 | |
| 6788 /* | |
| 6789 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6790 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6791 * empty. | |
| 6792 */ | |
| 6793 static int | |
| 6794 move_lines(frombuf, tobuf) | |
| 6795 buf_T *frombuf; | |
| 6796 buf_T *tobuf; | |
| 6797 { | |
| 6798 buf_T *tbuf = curbuf; | |
| 6799 int retval = OK; | |
| 6800 linenr_T lnum; | |
| 6801 char_u *p; | |
| 6802 | |
| 6803 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6804 curbuf = tobuf; | |
| 6805 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6806 { | |
| 6807 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6808 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6809 { | |
| 6810 vim_free(p); | |
| 6811 retval = FAIL; | |
| 6812 break; | |
| 6813 } | |
| 6814 vim_free(p); | |
| 6815 } | |
| 6816 | |
| 6817 /* Delete all the lines in "frombuf". */ | |
| 6818 if (retval != FAIL) | |
| 6819 { | |
| 6820 curbuf = frombuf; | |
| 1055 | 6821 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6822 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6823 { |
| 6824 /* Oops! We could try putting back the saved lines, but that | |
| 6825 * might fail again... */ | |
| 6826 retval = FAIL; | |
| 6827 break; | |
| 6828 } | |
| 6829 } | |
| 6830 | |
| 6831 curbuf = tbuf; | |
| 6832 return retval; | |
| 6833 } | |
| 6834 | |
| 6835 /* | |
| 6836 * Check if buffer "buf" has been changed. | |
| 6837 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6838 * return 1 if a changed buffer was found. | |
| 6839 * return 2 if a message has been displayed. | |
| 6840 * return 0 otherwise. | |
| 6841 */ | |
| 6842 int | |
| 6843 buf_check_timestamp(buf, focus) | |
| 6844 buf_T *buf; | |
| 1877 | 6845 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6846 { |
| 6847 struct stat st; | |
| 6848 int stat_res; | |
| 6849 int retval = 0; | |
| 6850 char_u *path; | |
| 6851 char_u *tbuf; | |
| 6852 char *mesg = NULL; | |
| 188 | 6853 char *mesg2 = ""; |
| 7 | 6854 int helpmesg = FALSE; |
| 6855 int reload = FALSE; | |
| 6856 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6857 int can_reload = FALSE; | |
| 6858 #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
|
6859 off_t orig_size = buf->b_orig_size; |
| 7 | 6860 int orig_mode = buf->b_orig_mode; |
| 6861 #ifdef FEAT_GUI | |
| 6862 int save_mouse_correct = need_mouse_correct; | |
| 6863 #endif | |
| 6864 #ifdef FEAT_AUTOCMD | |
| 6865 static int busy = FALSE; | |
| 179 | 6866 int n; |
| 6867 char_u *s; | |
| 6868 #endif | |
| 6869 char *reason; | |
| 7 | 6870 |
| 6871 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6872 * set, we are in the middle of a save or being called recursively: ignore | |
| 6873 * this buffer. */ | |
| 6874 if (buf->b_ffname == NULL | |
| 6875 || buf->b_ml.ml_mfp == NULL | |
| 6876 #if defined(FEAT_QUICKFIX) | |
| 6877 || *buf->b_p_bt != NUL | |
| 6878 #endif | |
| 6879 || buf->b_saving | |
| 6880 #ifdef FEAT_AUTOCMD | |
| 6881 || busy | |
| 6882 #endif | |
| 33 | 6883 #ifdef FEAT_NETBEANS_INTG |
| 6884 || isNetbeansBuffer(buf) | |
| 6885 #endif | |
| 7 | 6886 ) |
| 6887 return 0; | |
| 6888 | |
| 6889 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6890 && buf->b_mtime != 0 | |
| 6891 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6892 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6893 #ifdef HAVE_ST_MODE | |
| 6894 || (int)st.st_mode != buf->b_orig_mode | |
| 6895 #else | |
| 6896 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6897 #endif | |
| 6898 )) | |
| 6899 { | |
| 6900 retval = 1; | |
| 6901 | |
| 628 | 6902 /* set b_mtime to stop further warnings (e.g., when executing |
| 6903 * FileChangedShell autocmd) */ | |
| 7 | 6904 if (stat_res < 0) |
| 6905 { | |
| 6906 buf->b_mtime = 0; | |
| 6907 buf->b_orig_size = 0; | |
| 6908 buf->b_orig_mode = 0; | |
| 6909 } | |
| 6910 else | |
| 6911 buf_store_time(buf, &st, buf->b_ffname); | |
| 6912 | |
| 6913 /* Don't do anything for a directory. Might contain the file | |
| 6914 * explorer. */ | |
| 6915 if (mch_isdir(buf->b_fname)) | |
| 6916 ; | |
| 6917 | |
| 6918 /* | |
| 6919 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6920 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6921 * was set, the global option value otherwise. | |
| 6922 */ | |
| 6923 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6924 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6925 reload = TRUE; | |
| 6926 else | |
| 6927 { | |
| 179 | 6928 if (stat_res < 0) |
| 6929 reason = "deleted"; | |
| 6930 else if (bufIsChanged(buf)) | |
| 6931 reason = "conflict"; | |
| 6932 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6933 reason = "changed"; | |
| 6934 else if (orig_mode != buf->b_orig_mode) | |
| 6935 reason = "mode"; | |
| 6936 else | |
| 6937 reason = "time"; | |
| 6938 | |
| 7 | 6939 #ifdef FEAT_AUTOCMD |
| 6940 /* | |
| 6941 * Only give the warning if there are no FileChangedShell | |
| 6942 * autocommands. | |
| 6943 * Avoid being called recursively by setting "busy". | |
| 6944 */ | |
| 6945 busy = TRUE; | |
| 532 | 6946 # ifdef FEAT_EVAL |
| 179 | 6947 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6948 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6949 # endif |
| 1834 | 6950 ++allbuf_lock; |
| 7 | 6951 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6952 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6953 --allbuf_lock; |
| 7 | 6954 busy = FALSE; |
| 6955 if (n) | |
| 6956 { | |
| 6957 if (!buf_valid(buf)) | |
| 6958 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6959 # ifdef FEAT_EVAL |
| 179 | 6960 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6961 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6962 reload = TRUE; | |
| 6963 else if (STRCMP(s, "ask") == 0) | |
| 6964 n = FALSE; | |
| 6965 else | |
| 532 | 6966 # endif |
| 179 | 6967 return 2; |
| 7 | 6968 } |
| 179 | 6969 if (!n) |
| 7 | 6970 #endif |
| 6971 { | |
| 179 | 6972 if (*reason == 'd') |
| 6973 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6974 else |
| 6975 { | |
| 6976 helpmesg = TRUE; | |
| 6977 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6978 can_reload = TRUE; | |
| 6979 #endif | |
| 6980 /* | |
| 6981 * Check if the file contents really changed to avoid | |
| 6982 * giving a warning when only the timestamp was set (e.g., | |
| 6983 * checked out of CVS). Always warn when the buffer was | |
| 6984 * changed. | |
| 6985 */ | |
| 179 | 6986 if (reason[2] == 'n') |
| 6987 { | |
| 7 | 6988 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6989 mesg2 = _("See \":help W12\" for more info."); |
| 6990 } | |
| 6991 else if (reason[1] == 'h') | |
| 6992 { | |
| 7 | 6993 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6994 mesg2 = _("See \":help W11\" for more info."); |
| 6995 } | |
| 6996 else if (*reason == 'm') | |
| 6997 { | |
| 7 | 6998 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6999 mesg2 = _("See \":help W16\" for more info."); |
| 7000 } | |
| 1913 | 7001 else |
| 7002 /* Only timestamp changed, store it to avoid a warning | |
| 7003 * in check_mtime() later. */ | |
| 7004 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 7005 } |
| 7006 } | |
| 7007 } | |
| 7008 | |
| 7009 } | |
| 7010 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 7011 && vim_fexists(buf->b_ffname)) | |
| 7012 { | |
| 7013 retval = 1; | |
| 7014 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 7015 buf->b_flags |= BF_NEW_W; | |
| 7016 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 7017 can_reload = TRUE; | |
| 7018 #endif | |
| 7019 } | |
| 7020 | |
| 7021 if (mesg != NULL) | |
| 7022 { | |
| 7023 path = home_replace_save(buf, buf->b_fname); | |
| 7024 if (path != NULL) | |
| 7025 { | |
| 179 | 7026 if (!helpmesg) |
| 7 | 7027 mesg2 = ""; |
| 7028 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 7029 + STRLEN(mesg2) + 2)); | |
| 7030 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 7031 #ifdef FEAT_EVAL |
| 7032 /* Set warningmsg here, before the unimportant and output-specific | |
| 7033 * mesg2 has been appended. */ | |
| 7034 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 7035 #endif | |
| 7 | 7036 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 7037 if (can_reload) | |
| 7038 { | |
| 7039 if (*mesg2 != NUL) | |
| 7040 { | |
| 7041 STRCAT(tbuf, "\n"); | |
| 7042 STRCAT(tbuf, mesg2); | |
| 7043 } | |
| 7044 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 2684 | 7045 (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2) |
| 7 | 7046 reload = TRUE; |
| 7047 } | |
| 7048 else | |
| 7049 #endif | |
| 7050 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 7051 { | |
| 7052 if (*mesg2 != NUL) | |
| 7053 { | |
| 7054 STRCAT(tbuf, "; "); | |
| 7055 STRCAT(tbuf, mesg2); | |
| 7056 } | |
| 7057 EMSG(tbuf); | |
| 7058 retval = 2; | |
| 7059 } | |
| 7060 else | |
| 7061 { | |
| 8 | 7062 # ifdef FEAT_AUTOCMD |
| 7 | 7063 if (!autocmd_busy) |
| 8 | 7064 # endif |
| 7 | 7065 { |
| 7066 msg_start(); | |
| 7067 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 7068 if (*mesg2 != NUL) | |
| 7069 msg_puts_attr((char_u *)mesg2, | |
| 7070 hl_attr(HLF_W) + MSG_HIST); | |
| 7071 msg_clr_eos(); | |
| 7072 (void)msg_end(); | |
| 7073 if (emsg_silent == 0) | |
| 7074 { | |
| 7075 out_flush(); | |
| 8 | 7076 # ifdef FEAT_GUI |
| 7 | 7077 if (!focus) |
| 8 | 7078 # endif |
| 7 | 7079 /* give the user some time to think about it */ |
| 7080 ui_delay(1000L, TRUE); | |
| 7081 | |
| 7082 /* don't redraw and erase the message */ | |
| 7083 redraw_cmdline = FALSE; | |
| 7084 } | |
| 7085 } | |
| 7086 already_warned = TRUE; | |
| 7087 } | |
| 7088 | |
| 7089 vim_free(path); | |
| 7090 vim_free(tbuf); | |
| 7091 } | |
| 7092 } | |
| 7093 | |
| 7094 if (reload) | |
| 311 | 7095 /* Reload the buffer. */ |
| 628 | 7096 buf_reload(buf, orig_mode); |
| 7 | 7097 |
| 765 | 7098 #ifdef FEAT_AUTOCMD |
| 1620 | 7099 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 7100 if (buf_valid(buf) && retval != 0) | |
| 765 | 7101 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 7102 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 7103 #endif | |
| 7 | 7104 #ifdef FEAT_GUI |
| 7105 /* restore this in case an autocommand has set it; it would break | |
| 7106 * 'mousefocus' */ | |
| 7107 need_mouse_correct = save_mouse_correct; | |
| 7108 #endif | |
| 7109 | |
| 7110 return retval; | |
| 7111 } | |
| 7112 | |
| 311 | 7113 /* |
| 7114 * Reload a buffer that is already loaded. | |
| 7115 * Used when the file was changed outside of Vim. | |
| 628 | 7116 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 7117 * buf->b_orig_mode may have been reset already. | |
| 311 | 7118 */ |
| 7119 void | |
| 628 | 7120 buf_reload(buf, orig_mode) |
| 311 | 7121 buf_T *buf; |
| 628 | 7122 int orig_mode; |
| 311 | 7123 { |
| 7124 exarg_T ea; | |
| 7125 pos_T old_cursor; | |
| 7126 linenr_T old_topline; | |
| 7127 int old_ro = buf->b_p_ro; | |
| 7128 buf_T *savebuf; | |
| 7129 int saved = OK; | |
| 7130 aco_save_T aco; | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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2360
diff
changeset
|
7131 int flags = READ_NEW; |
| 311 | 7132 |
| 7133 /* set curwin/curbuf for "buf" and save some things */ | |
| 7134 aucmd_prepbuf(&aco, buf); | |
| 7135 | |
| 7136 /* We only want to read the text from the file, not reset the syntax | |
| 7137 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 7138 * and encoding to be the same. */ | |
| 7139 if (prep_exarg(&ea, buf) == OK) | |
| 7140 { | |
| 7141 old_cursor = curwin->w_cursor; | |
| 7142 old_topline = curwin->w_topline; | |
| 7143 | |
|
2482
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When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
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2410
diff
changeset
|
7144 if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7145 { |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7146 /* Save all the text, so that the reload can be undone. |
|
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7147 * Sync first so that this is a separate undo-able action. */ |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7148 u_sync(FALSE); |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7149 saved = u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, TRUE); |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7150 flags |= READ_KEEP_UNDO; |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7151 } |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7152 |
| 311 | 7153 /* |
| 7154 * To behave like when a new file is edited (matters for | |
| 7155 * BufReadPost autocommands) we first need to delete the current | |
| 7156 * buffer contents. But if reading the file fails we should keep | |
| 7157 * the old contents. Can't use memory only, the file might be | |
| 7158 * too big. Use a hidden buffer to move the buffer contents to. | |
| 7159 */ | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7160 if (bufempty() || saved == FAIL) |
| 311 | 7161 savebuf = NULL; |
| 7162 else | |
| 7163 { | |
| 7164 /* Allocate a buffer without putting it in the buffer list. */ | |
| 7165 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 7166 if (savebuf != NULL && buf == curbuf) |
| 311 | 7167 { |
| 7168 /* Open the memline. */ | |
| 7169 curbuf = savebuf; | |
| 7170 curwin->w_buffer = savebuf; | |
| 625 | 7171 saved = ml_open(curbuf); |
| 311 | 7172 curbuf = buf; |
| 7173 curwin->w_buffer = buf; | |
| 7174 } | |
| 837 | 7175 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 7176 || move_lines(buf, savebuf) == FAIL) |
| 7177 { | |
| 7178 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 7179 buf->b_fname); | |
| 7180 saved = FAIL; | |
| 7181 } | |
| 7182 } | |
| 7183 | |
| 7184 if (saved == OK) | |
| 7185 { | |
| 7186 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 7187 #ifdef FEAT_AUTOCMD | |
| 7188 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 7189 #endif | |
| 7190 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 7191 (linenr_T)0, | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7192 (linenr_T)MAXLNUM, &ea, flags) == FAIL) |
| 311 | 7193 { |
| 7194 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 7195 if (!aborting()) | |
| 7196 #endif | |
| 7197 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 7198 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 7199 { |
| 7200 /* Put the text back from the save buffer. First | |
| 7201 * delete any lines that readfile() added. */ | |
| 7202 while (!bufempty()) | |
| 837 | 7203 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 7204 break; |
| 7205 (void)move_lines(savebuf, buf); | |
| 7206 } | |
| 7207 } | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7208 else if (buf == curbuf) /* "buf" still valid */ |
| 311 | 7209 { |
| 7210 /* Mark the buffer as unmodified and free undo info. */ | |
| 7211 unchanged(buf, TRUE); | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7212 if ((flags & READ_KEEP_UNDO) == 0) |
|
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7213 { |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7214 u_blockfree(buf); |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7215 u_clearall(buf); |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7216 } |
|
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7217 else |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7218 { |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7219 /* Mark all undo states as changed. */ |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7220 u_unchanged(curbuf); |
|
2482
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Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7221 } |
| 311 | 7222 } |
| 7223 } | |
| 7224 vim_free(ea.cmd); | |
| 7225 | |
| 837 | 7226 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 7227 wipe_buffer(savebuf, FALSE); |
| 7228 | |
| 7229 #ifdef FEAT_DIFF | |
| 7230 /* Invalidate diff info if necessary. */ | |
| 837 | 7231 diff_invalidate(curbuf); |
| 311 | 7232 #endif |
| 7233 | |
| 7234 /* Restore the topline and cursor position and check it (lines may | |
| 7235 * have been removed). */ | |
| 7236 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 7237 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 7238 else | |
| 7239 curwin->w_topline = old_topline; | |
| 7240 curwin->w_cursor = old_cursor; | |
| 7241 check_cursor(); | |
| 7242 update_topline(); | |
| 7243 #ifdef FEAT_AUTOCMD | |
| 7244 keep_filetype = FALSE; | |
| 7245 #endif | |
| 7246 #ifdef FEAT_FOLDING | |
| 7247 { | |
| 1863 | 7248 win_T *wp; |
| 7249 tabpage_T *tp; | |
| 311 | 7250 |
| 7251 /* Update folds unless they are defined manually. */ | |
| 1863 | 7252 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 7253 if (wp->w_buffer == curwin->w_buffer |
| 7254 && !foldmethodIsManual(wp)) | |
| 7255 foldUpdateAll(wp); | |
| 7256 } | |
| 7257 #endif | |
| 7258 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 7259 * value; the user probably used the ":view" command. But don't | |
| 7260 * reset it, might have had a read error. */ | |
| 7261 if (orig_mode == curbuf->b_orig_mode) | |
| 7262 curbuf->b_p_ro |= old_ro; | |
| 7263 } | |
| 7264 | |
| 7265 /* restore curwin/curbuf and a few other things */ | |
| 7266 aucmd_restbuf(&aco); | |
| 7267 /* Careful: autocommands may have made "buf" invalid! */ | |
| 7268 } | |
| 7269 | |
| 7 | 7270 void |
| 7271 buf_store_time(buf, st, fname) | |
| 7272 buf_T *buf; | |
| 7273 struct stat *st; | |
| 1877 | 7274 char_u *fname UNUSED; |
| 7 | 7275 { |
| 7276 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
|
7277 buf->b_orig_size = st->st_size; |
| 7 | 7278 #ifdef HAVE_ST_MODE |
| 7279 buf->b_orig_mode = (int)st->st_mode; | |
| 7280 #else | |
| 7281 buf->b_orig_mode = mch_getperm(fname); | |
| 7282 #endif | |
| 7283 } | |
| 7284 | |
| 7285 /* | |
| 7286 * Adjust the line with missing eol, used for the next write. | |
| 7287 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 7288 */ | |
| 7289 void | |
| 7290 write_lnum_adjust(offset) | |
| 7291 linenr_T offset; | |
| 7292 { | |
| 2707 | 7293 if (curbuf->b_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7294 curbuf->b_no_eol_lnum += offset; | |
| 7 | 7295 } |
| 7296 | |
| 7297 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 7298 static long temp_count = 0; /* Temp filename counter. */ | |
| 7299 | |
| 7300 /* | |
| 7301 * Delete the temp directory and all files it contains. | |
| 7302 */ | |
| 7303 void | |
| 7304 vim_deltempdir() | |
| 7305 { | |
| 7306 char_u **files; | |
| 7307 int file_count; | |
| 7308 int i; | |
| 7309 | |
| 7310 if (vim_tempdir != NULL) | |
| 7311 { | |
| 7312 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 7313 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 7314 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 7315 { | |
| 7316 for (i = 0; i < file_count; ++i) | |
| 7317 mch_remove(files[i]); | |
| 7318 FreeWild(file_count, files); | |
| 7319 } | |
| 7320 gettail(NameBuff)[-1] = NUL; | |
| 7321 (void)mch_rmdir(NameBuff); | |
| 7322 | |
| 7323 vim_free(vim_tempdir); | |
| 7324 vim_tempdir = NULL; | |
| 7325 } | |
| 7326 } | |
| 7327 #endif | |
| 7328 | |
| 2006 | 7329 #ifdef TEMPDIRNAMES |
| 7 | 7330 /* |
| 1997 | 7331 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7332 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7333 * "tempdir" must be no longer than MAXPATHL. | |
| 7334 */ | |
| 7335 static void | |
| 7336 vim_settempdir(tempdir) | |
| 7337 char_u *tempdir; | |
| 7338 { | |
| 7339 char_u *buf; | |
| 7340 | |
| 7341 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7342 if (buf != NULL) | |
| 7343 { | |
| 7344 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7345 STRCPY(buf, tempdir); | |
| 7346 # ifdef __EMX__ | |
| 7347 if (vim_strchr(buf, '/') != NULL) | |
| 7348 STRCAT(buf, "/"); | |
| 7349 else | |
| 7350 # endif | |
| 7351 add_pathsep(buf); | |
| 7352 vim_tempdir = vim_strsave(buf); | |
| 7353 vim_free(buf); | |
| 7354 } | |
| 7355 } | |
| 2006 | 7356 #endif |
| 1997 | 7357 |
| 7358 /* | |
| 7 | 7359 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7360 * | |
| 7361 * The temp file is NOT created. | |
| 7362 * | |
| 7363 * The returned pointer is to allocated memory. | |
| 7364 * The returned pointer is NULL if no valid name was found. | |
| 7365 */ | |
| 7366 char_u * | |
| 7367 vim_tempname(extra_char) | |
| 1877 | 7368 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7369 { |
| 7370 #ifdef USE_TMPNAM | |
| 7371 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7372 #else | |
| 7373 char_u itmp[TEMPNAMELEN]; | |
| 7374 #endif | |
| 7375 | |
| 7376 #ifdef TEMPDIRNAMES | |
| 7377 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7378 int i; | |
| 7379 # ifndef EEXIST | |
| 7380 struct stat st; | |
| 7381 # endif | |
| 7382 | |
| 7383 /* | |
| 7384 * This will create a directory for private use by this instance of Vim. | |
| 7385 * This is done once, and the same directory is used for all temp files. | |
| 7386 * This method avoids security problems because of symlink attacks et al. | |
| 7387 * It's also a bit faster, because we only need to check for an existing | |
| 7388 * file when creating the directory and not for each temp file. | |
| 7389 */ | |
| 7390 if (vim_tempdir == NULL) | |
| 7391 { | |
| 7392 /* | |
| 7393 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7394 */ | |
| 1877 | 7395 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7396 { |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7397 # ifndef HAVE_MKDTEMP |
| 1997 | 7398 size_t itmplen; |
| 7399 long nr; | |
| 7400 long off; | |
| 7401 # endif | |
| 7402 | |
| 7 | 7403 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7404 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7405 if (mch_isdir(itmp)) /* directory exists */ | |
| 7406 { | |
| 7407 # ifdef __EMX__ | |
| 7408 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7409 * tcsh), don't add a backslash, use a forward slash! | |
| 7410 * Adding 2 backslashes didn't work. */ | |
| 7411 if (vim_strchr(itmp, '/') != NULL) | |
| 7412 STRCAT(itmp, "/"); | |
| 7413 else | |
| 7414 # endif | |
| 7415 add_pathsep(itmp); | |
| 1997 | 7416 |
| 7417 # ifdef HAVE_MKDTEMP | |
| 7418 /* Leave room for filename */ | |
| 7419 STRCAT(itmp, "vXXXXXX"); | |
| 7420 if (mkdtemp((char *)itmp) != NULL) | |
| 7421 vim_settempdir(itmp); | |
| 7422 # else | |
| 7 | 7423 /* Get an arbitrary number of up to 6 digits. When it's |
| 7424 * unlikely that it already exists it will be faster, | |
| 7425 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7426 * security problems because of the predictable number. */ | |
| 7427 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7428 itmplen = STRLEN(itmp); |
| 7 | 7429 |
| 7430 /* Try up to 10000 different values until we find a name that | |
| 7431 * doesn't exist. */ | |
| 7432 for (off = 0; off < 10000L; ++off) | |
| 7433 { | |
| 7434 int r; | |
| 1997 | 7435 # if defined(UNIX) || defined(VMS) |
| 7 | 7436 mode_t umask_save; |
| 1997 | 7437 # endif |
| 7438 | |
| 7439 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7440 # ifndef EEXIST | |
| 7 | 7441 /* If mkdir() does not set errno to EEXIST, check for |
| 7442 * existing file here. There is a race condition then, | |
| 7443 * although it's fail-safe. */ | |
| 7444 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7445 continue; | |
| 1997 | 7446 # endif |
| 7447 # if defined(UNIX) || defined(VMS) | |
| 7 | 7448 /* Make sure the umask doesn't remove the executable bit. |
| 7449 * "repl" has been reported to use "177". */ | |
| 7450 umask_save = umask(077); | |
| 1997 | 7451 # endif |
| 7 | 7452 r = vim_mkdir(itmp, 0700); |
| 1997 | 7453 # if defined(UNIX) || defined(VMS) |
| 7 | 7454 (void)umask(umask_save); |
| 1997 | 7455 # endif |
| 7 | 7456 if (r == 0) |
| 7457 { | |
| 1997 | 7458 vim_settempdir(itmp); |
| 7 | 7459 break; |
| 7460 } | |
| 1997 | 7461 # ifdef EEXIST |
| 7 | 7462 /* If the mkdir() didn't fail because the file/dir exists, |
| 7463 * we probably can't create any dir here, try another | |
| 7464 * place. */ | |
| 7465 if (errno != EEXIST) | |
| 1997 | 7466 # endif |
| 7 | 7467 break; |
| 7468 } | |
| 1997 | 7469 # endif /* HAVE_MKDTEMP */ |
| 7 | 7470 if (vim_tempdir != NULL) |
| 7471 break; | |
| 7472 } | |
| 7473 } | |
| 7474 } | |
| 7475 | |
| 7476 if (vim_tempdir != NULL) | |
| 7477 { | |
| 7478 /* There is no need to check if the file exists, because we own the | |
| 7479 * directory and nobody else creates a file in it. */ | |
| 7480 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7481 return vim_strsave(itmp); | |
| 7482 } | |
| 7483 | |
| 7484 return NULL; | |
| 7485 | |
| 7486 #else /* TEMPDIRNAMES */ | |
| 7487 | |
| 7488 # ifdef WIN3264 | |
| 7489 char szTempFile[_MAX_PATH + 1]; | |
| 7490 char buf4[4]; | |
| 7491 char_u *retval; | |
| 7492 char_u *p; | |
| 7493 | |
| 7494 STRCPY(itmp, ""); | |
| 7495 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 2695 | 7496 { |
| 7497 szTempFile[0] = '.'; /* GetTempPath() failed, use current dir */ | |
| 7498 szTempFile[1] = NUL; | |
| 7499 } | |
| 7 | 7500 strcpy(buf4, "VIM"); |
| 7501 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7502 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7503 return NULL; | |
| 7504 /* GetTempFileName() will create the file, we don't want that */ | |
| 7505 (void)DeleteFile(itmp); | |
| 7506 | |
| 7507 /* Backslashes in a temp file name cause problems when filtering with | |
| 7508 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7509 * didn't set 'shellslash'. */ | |
| 7510 retval = vim_strsave(itmp); | |
| 7511 if (*p_shcf == '-' || p_ssl) | |
| 7512 for (p = retval; *p; ++p) | |
| 7513 if (*p == '\\') | |
| 7514 *p = '/'; | |
| 7515 return retval; | |
| 7516 | |
| 7517 # else /* WIN3264 */ | |
| 7518 | |
| 7519 # ifdef USE_TMPNAM | |
| 2697 | 7520 char_u *p; |
| 7521 | |
| 7 | 7522 /* tmpnam() will make its own name */ |
| 2697 | 7523 p = tmpnam((char *)itmp); |
| 7524 if (p == NULL || *p == NUL) | |
| 7 | 7525 return NULL; |
| 7526 # else | |
| 7527 char_u *p; | |
| 7528 | |
| 7529 # ifdef VMS_TEMPNAM | |
| 7530 /* mktemp() is not working on VMS. It seems to be | |
| 7531 * a do-nothing function. Therefore we use tempnam(). | |
| 7532 */ | |
| 7533 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7534 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7535 if (p != NULL) | |
| 7536 { | |
| 7537 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7538 * and VIM will then be unable to find the file later */ | |
| 7539 STRCPY(itmp, p); | |
| 7540 STRCAT(itmp, ".txt"); | |
| 7541 free(p); | |
| 7542 } | |
| 7543 else | |
| 7544 return NULL; | |
| 7545 # else | |
| 7546 STRCPY(itmp, TEMPNAME); | |
| 7547 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7548 *p = extra_char; | |
| 7549 if (mktemp((char *)itmp) == NULL) | |
| 7550 return NULL; | |
| 7551 # endif | |
| 7552 # endif | |
| 7553 | |
| 7554 return vim_strsave(itmp); | |
| 7555 # endif /* WIN3264 */ | |
| 7556 #endif /* TEMPDIRNAMES */ | |
| 7557 } | |
| 7558 | |
| 7559 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7560 /* | |
| 7561 * Convert all backslashes in fname to forward slashes in-place. | |
| 7562 */ | |
| 7563 void | |
| 7564 forward_slash(fname) | |
| 7565 char_u *fname; | |
| 7566 { | |
| 7567 char_u *p; | |
| 7568 | |
| 7569 for (p = fname; *p != NUL; ++p) | |
| 7570 # ifdef FEAT_MBYTE | |
| 7571 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7572 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7573 ++p; |
| 7574 else | |
| 7575 # endif | |
| 7576 if (*p == '\\') | |
| 7577 *p = '/'; | |
| 7578 } | |
| 7579 #endif | |
| 7580 | |
| 7581 | |
| 7582 /* | |
| 7583 * Code for automatic commands. | |
| 7584 * | |
| 7585 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7586 */ | |
| 7587 | |
| 7588 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7589 | |
| 7590 /* | |
| 7591 * The autocommands are stored in a list for each event. | |
| 7592 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7593 * together, to avoid having to match the pattern too often. | |
| 7594 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7595 * | |
| 7596 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7597 * Autopat.cmds Autopat.cmds | |
| 7598 * | | | |
| 7599 * V V | |
| 7600 * AutoCmd.next AutoCmd.next | |
| 7601 * | | | |
| 7602 * V V | |
| 7603 * AutoCmd.next NULL | |
| 7604 * | | |
| 7605 * V | |
| 7606 * NULL | |
| 7607 * | |
| 7608 * first_autopat[1] --> Autopat.next --> NULL | |
| 7609 * Autopat.cmds | |
| 7610 * | | |
| 7611 * V | |
| 7612 * AutoCmd.next | |
| 7613 * | | |
| 7614 * V | |
| 7615 * NULL | |
| 7616 * etc. | |
| 7617 * | |
| 7618 * The order of AutoCmds is important, this is the order in which they were | |
| 7619 * defined and will have to be executed. | |
| 7620 */ | |
| 7621 typedef struct AutoCmd | |
| 7622 { | |
| 7623 char_u *cmd; /* The command to be executed (NULL | |
| 7624 when command has been removed) */ | |
| 7625 char nested; /* If autocommands nest here */ | |
| 7626 char last; /* last command in list */ | |
| 7627 #ifdef FEAT_EVAL | |
| 7628 scid_T scriptID; /* script ID where defined */ | |
| 7629 #endif | |
| 7630 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7631 } AutoCmd; | |
| 7632 | |
| 7633 typedef struct AutoPat | |
| 7634 { | |
| 7635 int group; /* group ID */ | |
| 7636 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7637 has been removed) */ | |
| 7638 int patlen; /* strlen() of pat */ | |
| 153 | 7639 regprog_T *reg_prog; /* compiled regprog for pattern */ |
| 7 | 7640 char allow_dirs; /* Pattern may match whole path */ |
| 7641 char last; /* last pattern for apply_autocmds() */ | |
| 7642 AutoCmd *cmds; /* list of commands to do */ | |
| 7643 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
| 40 | 7644 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7645 } AutoPat; |
| 7646 | |
| 7647 static struct event_name | |
| 7648 { | |
| 7649 char *name; /* event name */ | |
| 661 | 7650 event_T event; /* event number */ |
| 7 | 7651 } event_names[] = |
| 7652 { | |
| 7653 {"BufAdd", EVENT_BUFADD}, | |
| 7654 {"BufCreate", EVENT_BUFADD}, | |
| 7655 {"BufDelete", EVENT_BUFDELETE}, | |
| 7656 {"BufEnter", EVENT_BUFENTER}, | |
| 7657 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7658 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7659 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7660 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7661 {"BufNew", EVENT_BUFNEW}, | |
| 7662 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7663 {"BufRead", EVENT_BUFREADPOST}, | |
| 7664 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7665 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7666 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7667 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7668 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7669 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7670 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7671 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7672 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7673 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7674 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7675 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7676 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7677 {"ColorScheme", EVENT_COLORSCHEME}, |
| 661 | 7678 {"CursorHold", EVENT_CURSORHOLD}, |
| 7679 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7680 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7681 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7682 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7683 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7684 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7685 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7686 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7687 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7688 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7689 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7690 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7691 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7692 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7693 {"FileType", EVENT_FILETYPE}, | |
| 7694 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7695 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7696 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7697 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7698 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7699 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7700 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7701 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7702 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7703 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7704 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7705 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7706 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7707 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7708 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 434 | 7709 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7710 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7711 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 7 | 7712 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7713 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7714 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7715 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7716 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7717 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7718 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7719 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7720 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7721 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7722 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7723 {"TabEnter", EVENT_TABENTER}, |
| 7724 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7725 {"TermChanged", EVENT_TERMCHANGED}, |
| 7726 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 7727 {"User", EVENT_USER}, | |
| 7728 {"VimEnter", EVENT_VIMENTER}, | |
| 7729 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7730 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7731 {"WinEnter", EVENT_WINENTER}, | |
| 7732 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7733 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7734 {NULL, (event_T)0} |
| 7 | 7735 }; |
| 7736 | |
| 7737 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7738 { | |
| 7739 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7740 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7741 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7742 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7743 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7744 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7745 }; |
| 7746 | |
| 7747 /* | |
| 7748 * struct used to keep status while executing autocommands for an event. | |
| 7749 */ | |
| 7750 typedef struct AutoPatCmd | |
| 7751 { | |
| 7752 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7753 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7754 int group; /* group being used */ | |
| 7755 char_u *fname; /* fname to match with */ | |
| 7756 char_u *sfname; /* sfname to match with */ | |
| 7757 char_u *tail; /* tail of fname */ | |
| 661 | 7758 event_T event; /* current event */ |
| 40 | 7759 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7760 buf is deleted */ | |
| 7761 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7762 } AutoPatCmd; |
| 7763 | |
| 297 | 7764 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7765 |
| 7 | 7766 /* |
| 7767 * augroups stores a list of autocmd group names. | |
| 7768 */ | |
| 297 | 7769 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7770 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7771 | |
| 7772 /* | |
| 7773 * The ID of the current group. Group 0 is the default one. | |
| 7774 */ | |
| 7775 static int current_augroup = AUGROUP_DEFAULT; | |
| 7776 | |
| 7777 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7778 | |
| 661 | 7779 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7780 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7781 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7782 static void au_cleanup __ARGS((void)); | |
| 7783 static int au_new_group __ARGS((char_u *name)); | |
| 7784 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7785 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7786 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7787 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7788 static int event_ignored __ARGS((event_T event)); |
| 7 | 7789 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7790 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7 | 7791 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
| 661 | 7792 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 | 7793 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7794 | |
| 40 | 7795 |
| 661 | 7796 static event_T last_event; |
| 7 | 7797 static int last_group; |
| 1410 | 7798 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7799 |
| 7800 /* | |
| 7801 * Show the autocommands for one AutoPat. | |
| 7802 */ | |
| 7803 static void | |
| 7804 show_autocmd(ap, event) | |
| 7805 AutoPat *ap; | |
| 661 | 7806 event_T event; |
| 7 | 7807 { |
| 7808 AutoCmd *ac; | |
| 7809 | |
| 7810 /* Check for "got_int" (here and at various places below), which is set | |
| 7811 * when "q" has been hit for the "--more--" prompt */ | |
| 7812 if (got_int) | |
| 7813 return; | |
| 7814 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7815 return; | |
| 7816 | |
| 7817 msg_putchar('\n'); | |
| 7818 if (got_int) | |
| 7819 return; | |
| 7820 if (event != last_event || ap->group != last_group) | |
| 7821 { | |
| 7822 if (ap->group != AUGROUP_DEFAULT) | |
| 7823 { | |
| 7824 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7825 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7826 else | |
| 7827 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7828 msg_puts((char_u *)" "); | |
| 7829 } | |
| 7830 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7831 last_event = event; | |
| 7832 last_group = ap->group; | |
| 7833 msg_putchar('\n'); | |
| 7834 if (got_int) | |
| 7835 return; | |
| 7836 } | |
| 7837 msg_col = 4; | |
| 7838 msg_outtrans(ap->pat); | |
| 7839 | |
| 7840 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7841 { | |
| 7842 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7843 { | |
| 7844 if (msg_col >= 14) | |
| 7845 msg_putchar('\n'); | |
| 7846 msg_col = 14; | |
| 7847 if (got_int) | |
| 7848 return; | |
| 7849 msg_outtrans(ac->cmd); | |
| 500 | 7850 #ifdef FEAT_EVAL |
| 7851 if (p_verbose > 0) | |
| 7852 last_set_msg(ac->scriptID); | |
| 7853 #endif | |
| 7 | 7854 if (got_int) |
| 7855 return; | |
| 7856 if (ac->next != NULL) | |
| 7857 { | |
| 7858 msg_putchar('\n'); | |
| 7859 if (got_int) | |
| 7860 return; | |
| 7861 } | |
| 7862 } | |
| 7863 } | |
| 7864 } | |
| 7865 | |
| 7866 /* | |
| 7867 * Mark an autocommand pattern for deletion. | |
| 7868 */ | |
| 7869 static void | |
| 7870 au_remove_pat(ap) | |
| 7871 AutoPat *ap; | |
| 7872 { | |
| 7873 vim_free(ap->pat); | |
| 7874 ap->pat = NULL; | |
| 40 | 7875 ap->buflocal_nr = -1; |
| 7 | 7876 au_need_clean = TRUE; |
| 7877 } | |
| 7878 | |
| 7879 /* | |
| 7880 * Mark all commands for a pattern for deletion. | |
| 7881 */ | |
| 7882 static void | |
| 7883 au_remove_cmds(ap) | |
| 7884 AutoPat *ap; | |
| 7885 { | |
| 7886 AutoCmd *ac; | |
| 7887 | |
| 7888 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7889 { | |
| 7890 vim_free(ac->cmd); | |
| 7891 ac->cmd = NULL; | |
| 7892 } | |
| 7893 au_need_clean = TRUE; | |
| 7894 } | |
| 7895 | |
| 7896 /* | |
| 7897 * Cleanup autocommands and patterns that have been deleted. | |
| 7898 * This is only done when not executing autocommands. | |
| 7899 */ | |
| 7900 static void | |
| 7901 au_cleanup() | |
| 7902 { | |
| 7903 AutoPat *ap, **prev_ap; | |
| 7904 AutoCmd *ac, **prev_ac; | |
| 661 | 7905 event_T event; |
| 7 | 7906 |
| 7907 if (autocmd_busy || !au_need_clean) | |
| 7908 return; | |
| 7909 | |
| 7910 /* loop over all events */ | |
| 661 | 7911 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7912 event = (event_T)((int)event + 1)) | |
| 7 | 7913 { |
| 7914 /* loop over all autocommand patterns */ | |
| 7915 prev_ap = &(first_autopat[(int)event]); | |
| 7916 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7917 { | |
| 7918 /* loop over all commands for this pattern */ | |
| 7919 prev_ac = &(ap->cmds); | |
| 7920 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7921 { | |
| 7922 /* remove the command if the pattern is to be deleted or when | |
| 7923 * the command has been marked for deletion */ | |
| 7924 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7925 { | |
| 7926 *prev_ac = ac->next; | |
| 7927 vim_free(ac->cmd); | |
| 7928 vim_free(ac); | |
| 7929 } | |
| 7930 else | |
| 7931 prev_ac = &(ac->next); | |
| 7932 } | |
| 7933 | |
| 7934 /* remove the pattern if it has been marked for deletion */ | |
| 7935 if (ap->pat == NULL) | |
| 7936 { | |
| 7937 *prev_ap = ap->next; | |
| 153 | 7938 vim_free(ap->reg_prog); |
| 7 | 7939 vim_free(ap); |
| 7940 } | |
| 7941 else | |
| 7942 prev_ap = &(ap->next); | |
| 7943 } | |
| 7944 } | |
| 7945 | |
| 7946 au_need_clean = FALSE; | |
| 7947 } | |
| 7948 | |
| 7949 /* | |
| 40 | 7950 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7951 * autocmds. | |
| 7952 */ | |
| 7953 void | |
| 7954 aubuflocal_remove(buf) | |
| 7955 buf_T *buf; | |
| 7956 { | |
| 7957 AutoPat *ap; | |
| 661 | 7958 event_T event; |
| 40 | 7959 AutoPatCmd *apc; |
| 7960 | |
| 7961 /* invalidate currently executing autocommands */ | |
| 7962 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7963 if (buf->b_fnum == apc->arg_bufnr) | |
| 7964 apc->arg_bufnr = 0; | |
| 7965 | |
| 7966 /* invalidate buflocals looping through events */ | |
| 661 | 7967 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7968 event = (event_T)((int)event + 1)) | |
| 40 | 7969 /* loop over all autocommand patterns */ |
| 7970 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7971 if (ap->buflocal_nr == buf->b_fnum) | |
| 7972 { | |
| 7973 au_remove_pat(ap); | |
| 7974 if (p_verbose >= 6) | |
| 292 | 7975 { |
| 7976 verbose_enter(); | |
| 40 | 7977 smsg((char_u *) |
| 7978 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7979 event_nr2name(event), buf->b_fnum); | |
| 292 | 7980 verbose_leave(); |
| 7981 } | |
| 40 | 7982 } |
| 7983 au_cleanup(); | |
| 7984 } | |
| 7985 | |
| 7986 /* | |
| 7 | 7987 * Add an autocmd group name. |
| 7988 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7989 */ | |
| 7990 static int | |
| 7991 au_new_group(name) | |
| 7992 char_u *name; | |
| 7993 { | |
| 7994 int i; | |
| 7995 | |
| 7996 i = au_find_group(name); | |
| 7997 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7998 { | |
| 7999 /* First try using a free entry. */ | |
| 8000 for (i = 0; i < augroups.ga_len; ++i) | |
| 8001 if (AUGROUP_NAME(i) == NULL) | |
| 8002 break; | |
| 8003 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 8004 return AUGROUP_ERROR; | |
| 8005 | |
| 8006 AUGROUP_NAME(i) = vim_strsave(name); | |
| 8007 if (AUGROUP_NAME(i) == NULL) | |
| 8008 return AUGROUP_ERROR; | |
| 8009 if (i == augroups.ga_len) | |
| 8010 ++augroups.ga_len; | |
| 8011 } | |
| 8012 | |
| 8013 return i; | |
| 8014 } | |
| 8015 | |
| 8016 static void | |
| 8017 au_del_group(name) | |
| 8018 char_u *name; | |
| 8019 { | |
| 8020 int i; | |
| 8021 | |
| 8022 i = au_find_group(name); | |
| 8023 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 8024 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 8025 else | |
| 8026 { | |
| 8027 vim_free(AUGROUP_NAME(i)); | |
| 8028 AUGROUP_NAME(i) = NULL; | |
| 8029 } | |
| 8030 } | |
| 8031 | |
| 8032 /* | |
| 8033 * Find the ID of an autocmd group name. | |
| 8034 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 8035 */ | |
| 8036 static int | |
| 8037 au_find_group(name) | |
| 8038 char_u *name; | |
| 8039 { | |
| 8040 int i; | |
| 8041 | |
| 8042 for (i = 0; i < augroups.ga_len; ++i) | |
| 8043 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 8044 return i; | |
| 8045 return AUGROUP_ERROR; | |
| 8046 } | |
| 8047 | |
| 461 | 8048 /* |
| 8049 * Return TRUE if augroup "name" exists. | |
| 8050 */ | |
| 8051 int | |
| 8052 au_has_group(name) | |
| 8053 char_u *name; | |
| 8054 { | |
| 8055 return au_find_group(name) != AUGROUP_ERROR; | |
| 8056 } | |
| 8057 | |
| 7 | 8058 /* |
| 8059 * ":augroup {name}". | |
| 8060 */ | |
| 8061 void | |
| 8062 do_augroup(arg, del_group) | |
| 8063 char_u *arg; | |
| 8064 int del_group; | |
| 8065 { | |
| 8066 int i; | |
| 8067 | |
| 8068 if (del_group) | |
| 8069 { | |
| 8070 if (*arg == NUL) | |
| 8071 EMSG(_(e_argreq)); | |
| 8072 else | |
| 8073 au_del_group(arg); | |
| 8074 } | |
| 8075 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 8076 current_augroup = AUGROUP_DEFAULT; | |
| 8077 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 8078 { | |
| 8079 i = au_new_group(arg); | |
| 8080 if (i != AUGROUP_ERROR) | |
| 8081 current_augroup = i; | |
| 8082 } | |
| 8083 else /* ":aug": list the group names */ | |
| 8084 { | |
| 8085 msg_start(); | |
| 8086 for (i = 0; i < augroups.ga_len; ++i) | |
| 8087 { | |
| 8088 if (AUGROUP_NAME(i) != NULL) | |
| 8089 { | |
| 8090 msg_puts(AUGROUP_NAME(i)); | |
| 8091 msg_puts((char_u *)" "); | |
| 8092 } | |
| 8093 } | |
| 8094 msg_clr_eos(); | |
| 8095 msg_end(); | |
| 8096 } | |
| 8097 } | |
| 8098 | |
| 355 | 8099 #if defined(EXITFREE) || defined(PROTO) |
| 8100 void | |
| 8101 free_all_autocmds() | |
| 8102 { | |
| 8103 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 8104 ++current_augroup) | |
| 8105 do_autocmd((char_u *)"", TRUE); | |
| 8106 ga_clear_strings(&augroups); | |
| 8107 } | |
| 8108 #endif | |
| 8109 | |
| 7 | 8110 /* |
| 8111 * Return the event number for event name "start". | |
| 8112 * Return NUM_EVENTS if the event name was not found. | |
| 8113 * Return a pointer to the next event name in "end". | |
| 8114 */ | |
| 661 | 8115 static event_T |
| 7 | 8116 event_name2nr(start, end) |
| 8117 char_u *start; | |
| 8118 char_u **end; | |
| 8119 { | |
| 8120 char_u *p; | |
| 8121 int i; | |
| 8122 int len; | |
| 8123 | |
| 8124 /* the event name ends with end of line, a blank or a comma */ | |
| 8125 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 8126 ; | |
| 8127 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8128 { | |
| 8129 len = (int)STRLEN(event_names[i].name); | |
| 8130 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 8131 break; | |
| 8132 } | |
| 8133 if (*p == ',') | |
| 8134 ++p; | |
| 8135 *end = p; | |
| 8136 if (event_names[i].name == NULL) | |
| 8137 return NUM_EVENTS; | |
| 8138 return event_names[i].event; | |
| 8139 } | |
| 8140 | |
| 8141 /* | |
| 8142 * Return the name for event "event". | |
| 8143 */ | |
| 8144 static char_u * | |
| 8145 event_nr2name(event) | |
| 661 | 8146 event_T event; |
| 7 | 8147 { |
| 8148 int i; | |
| 8149 | |
| 8150 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8151 if (event_names[i].event == event) | |
| 8152 return (char_u *)event_names[i].name; | |
| 8153 return (char_u *)"Unknown"; | |
| 8154 } | |
| 8155 | |
| 8156 /* | |
| 8157 * Scan over the events. "*" stands for all events. | |
| 8158 */ | |
| 8159 static char_u * | |
| 8160 find_end_event(arg, have_group) | |
| 8161 char_u *arg; | |
| 8162 int have_group; /* TRUE when group name was found */ | |
| 8163 { | |
| 8164 char_u *pat; | |
| 8165 char_u *p; | |
| 8166 | |
| 8167 if (*arg == '*') | |
| 8168 { | |
| 8169 if (arg[1] && !vim_iswhite(arg[1])) | |
| 8170 { | |
| 8171 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 8172 return NULL; | |
| 8173 } | |
| 8174 pat = arg + 1; | |
| 8175 } | |
| 8176 else | |
| 8177 { | |
| 8178 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 8179 { | |
| 8180 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 8181 { | |
| 8182 if (have_group) | |
| 8183 EMSG2(_("E216: No such event: %s"), pat); | |
| 8184 else | |
| 8185 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 8186 return NULL; | |
| 8187 } | |
| 8188 } | |
| 8189 } | |
| 8190 return pat; | |
| 8191 } | |
| 8192 | |
| 8193 /* | |
| 8194 * Return TRUE if "event" is included in 'eventignore'. | |
| 8195 */ | |
| 8196 static int | |
| 8197 event_ignored(event) | |
| 661 | 8198 event_T event; |
| 7 | 8199 { |
| 8200 char_u *p = p_ei; | |
| 8201 | |
| 844 | 8202 while (*p != NUL) |
| 8203 { | |
| 8204 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8205 return TRUE; | |
| 7 | 8206 if (event_name2nr(p, &p) == event) |
| 8207 return TRUE; | |
| 844 | 8208 } |
| 7 | 8209 |
| 8210 return FALSE; | |
| 8211 } | |
| 8212 | |
| 8213 /* | |
| 8214 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 8215 */ | |
| 8216 int | |
| 8217 check_ei() | |
| 8218 { | |
| 8219 char_u *p = p_ei; | |
| 8220 | |
| 8221 while (*p) | |
| 844 | 8222 { |
| 8223 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8224 { | |
| 8225 p += 3; | |
| 8226 if (*p == ',') | |
| 8227 ++p; | |
| 8228 } | |
| 8229 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 8230 return FAIL; |
| 844 | 8231 } |
| 7 | 8232 |
| 8233 return OK; | |
| 8234 } | |
| 8235 | |
| 123 | 8236 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 8237 | |
| 8238 /* | |
| 8239 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 8240 * buffer loaded into the window. "what" must start with a comma. | |
| 8241 * Returns the old value of 'eventignore' in allocated memory. | |
| 8242 */ | |
| 8243 char_u * | |
| 8244 au_event_disable(what) | |
| 8245 char *what; | |
| 8246 { | |
| 8247 char_u *new_ei; | |
| 8248 char_u *save_ei; | |
| 8249 | |
| 8250 save_ei = vim_strsave(p_ei); | |
| 8251 if (save_ei != NULL) | |
| 8252 { | |
| 557 | 8253 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 8254 if (new_ei != NULL) |
| 8255 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8256 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8257 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8258 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8259 STRCAT(new_ei, what); |
| 694 | 8260 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 8261 OPT_FREE, SID_NONE); | |
| 123 | 8262 vim_free(new_ei); |
| 8263 } | |
| 8264 } | |
| 8265 return save_ei; | |
| 8266 } | |
| 8267 | |
| 8268 void | |
| 8269 au_event_restore(old_ei) | |
| 8270 char_u *old_ei; | |
| 8271 { | |
| 8272 if (old_ei != NULL) | |
| 8273 { | |
| 694 | 8274 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 8275 OPT_FREE, SID_NONE); | |
| 123 | 8276 vim_free(old_ei); |
| 8277 } | |
| 8278 } | |
| 8279 # endif /* FEAT_SYN_HL */ | |
| 8280 | |
| 7 | 8281 /* |
| 8282 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 8283 * following ways: | |
| 8284 * | |
| 8285 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 8286 * will be automatically executed for <event> | |
| 8287 * when editing a file matching <pat>, in | |
| 8288 * the current group. | |
| 8289 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 8290 * <event> and <pat>. | |
| 8291 * :autocmd <event> Show the auto-commands associated with | |
| 8292 * <event>. | |
| 8293 * :autocmd Show all auto-commands. | |
| 8294 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 8295 * <event> and <pat>, and add the command | |
| 8296 * <cmd>, for the current group. | |
| 8297 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 8298 * <event> and <pat> for the current group. | |
| 8299 * :autocmd! <event> Remove all auto-commands associated with | |
| 8300 * <event> for the current group. | |
| 8301 * :autocmd! Remove ALL auto-commands for the current | |
| 8302 * group. | |
| 8303 * | |
| 8304 * Multiple events and patterns may be given separated by commas. Here are | |
| 8305 * some examples: | |
| 8306 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 8307 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 8308 * | |
| 8309 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 8310 * |
| 8311 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 8312 */ |
| 8313 void | |
| 8314 do_autocmd(arg, forceit) | |
| 8315 char_u *arg; | |
| 8316 int forceit; | |
| 8317 { | |
| 8318 char_u *pat; | |
| 8319 char_u *envpat = NULL; | |
| 8320 char_u *cmd; | |
| 661 | 8321 event_T event; |
| 7 | 8322 int need_free = FALSE; |
| 8323 int nested = FALSE; | |
| 8324 int group; | |
| 8325 | |
| 8326 /* | |
| 8327 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8328 */ | |
| 8329 group = au_get_grouparg(&arg); | |
| 8330 if (arg == NULL) /* out of memory */ | |
| 8331 return; | |
| 8332 | |
| 8333 /* | |
| 8334 * Scan over the events. | |
| 8335 * If we find an illegal name, return here, don't do anything. | |
| 8336 */ | |
| 8337 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8338 if (pat == NULL) | |
| 8339 return; | |
| 8340 | |
| 8341 /* | |
| 8342 * Scan over the pattern. Put a NUL at the end. | |
| 8343 */ | |
| 8344 pat = skipwhite(pat); | |
| 8345 cmd = pat; | |
| 8346 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8347 cmd++; | |
| 8348 if (*cmd) | |
| 8349 *cmd++ = NUL; | |
| 8350 | |
| 8351 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8352 * forward slashes here. */ | |
| 8353 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8354 { | |
| 8355 #ifdef BACKSLASH_IN_FILENAME | |
| 8356 int p_ssl_save = p_ssl; | |
| 8357 | |
| 8358 p_ssl = TRUE; | |
| 8359 #endif | |
| 8360 envpat = expand_env_save(pat); | |
| 8361 #ifdef BACKSLASH_IN_FILENAME | |
| 8362 p_ssl = p_ssl_save; | |
| 8363 #endif | |
| 8364 if (envpat != NULL) | |
| 8365 pat = envpat; | |
| 8366 } | |
| 8367 | |
| 8368 /* | |
| 8369 * Check for "nested" flag. | |
| 8370 */ | |
| 8371 cmd = skipwhite(cmd); | |
| 8372 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8373 { | |
| 8374 nested = TRUE; | |
| 8375 cmd = skipwhite(cmd + 6); | |
| 8376 } | |
| 8377 | |
| 8378 /* | |
| 8379 * Find the start of the commands. | |
| 8380 * Expand <sfile> in it. | |
| 8381 */ | |
| 8382 if (*cmd != NUL) | |
| 8383 { | |
| 8384 cmd = expand_sfile(cmd); | |
| 8385 if (cmd == NULL) /* some error */ | |
| 8386 return; | |
| 8387 need_free = TRUE; | |
| 8388 } | |
| 8389 | |
| 8390 /* | |
| 8391 * Print header when showing autocommands. | |
| 8392 */ | |
| 8393 if (!forceit && *cmd == NUL) | |
| 8394 { | |
| 8395 /* Highlight title */ | |
| 8396 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8397 } | |
| 8398 | |
| 8399 /* | |
| 8400 * Loop over the events. | |
| 8401 */ | |
| 661 | 8402 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8403 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8404 if (*arg == '*' || *arg == NUL) | |
| 8405 { | |
| 661 | 8406 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8407 event = (event_T)((int)event + 1)) | |
| 7 | 8408 if (do_autocmd_event(event, pat, |
| 8409 nested, cmd, forceit, group) == FAIL) | |
| 8410 break; | |
| 8411 } | |
| 8412 else | |
| 8413 { | |
| 8414 while (*arg && !vim_iswhite(*arg)) | |
| 8415 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8416 nested, cmd, forceit, group) == FAIL) | |
| 8417 break; | |
| 8418 } | |
| 8419 | |
| 8420 if (need_free) | |
| 8421 vim_free(cmd); | |
| 8422 vim_free(envpat); | |
| 8423 } | |
| 8424 | |
| 8425 /* | |
| 8426 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8427 * The "argp" argument is advanced to the following argument. | |
| 8428 * | |
| 8429 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8430 */ | |
| 8431 static int | |
| 8432 au_get_grouparg(argp) | |
| 8433 char_u **argp; | |
| 8434 { | |
| 8435 char_u *group_name; | |
| 8436 char_u *p; | |
| 8437 char_u *arg = *argp; | |
| 8438 int group = AUGROUP_ALL; | |
| 8439 | |
| 8440 p = skiptowhite(arg); | |
| 8441 if (p > arg) | |
| 8442 { | |
| 8443 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8444 if (group_name == NULL) /* out of memory */ | |
| 8445 return AUGROUP_ERROR; | |
| 8446 group = au_find_group(group_name); | |
| 8447 if (group == AUGROUP_ERROR) | |
| 8448 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8449 else | |
| 8450 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8451 vim_free(group_name); | |
| 8452 } | |
| 8453 return group; | |
| 8454 } | |
| 8455 | |
| 8456 /* | |
| 8457 * do_autocmd() for one event. | |
| 8458 * If *pat == NUL do for all patterns. | |
| 8459 * If *cmd == NUL show entries. | |
| 8460 * If forceit == TRUE delete entries. | |
| 8461 * If group is not AUGROUP_ALL, only use this group. | |
| 8462 */ | |
| 8463 static int | |
| 8464 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8465 event_T event; |
| 7 | 8466 char_u *pat; |
| 8467 int nested; | |
| 8468 char_u *cmd; | |
| 8469 int forceit; | |
| 8470 int group; | |
| 8471 { | |
| 8472 AutoPat *ap; | |
| 8473 AutoPat **prev_ap; | |
| 8474 AutoCmd *ac; | |
| 8475 AutoCmd **prev_ac; | |
| 8476 int brace_level; | |
| 8477 char_u *endpat; | |
| 8478 int findgroup; | |
| 8479 int allgroups; | |
| 8480 int patlen; | |
| 856 | 8481 int is_buflocal; |
| 40 | 8482 int buflocal_nr; |
| 8483 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8484 |
| 8485 if (group == AUGROUP_ALL) | |
| 8486 findgroup = current_augroup; | |
| 8487 else | |
| 8488 findgroup = group; | |
| 8489 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8490 | |
| 8491 /* | |
| 8492 * Show or delete all patterns for an event. | |
| 8493 */ | |
| 8494 if (*pat == NUL) | |
| 8495 { | |
| 8496 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8497 { | |
| 8498 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8499 { | |
| 8500 if (ap->group == findgroup) | |
| 8501 au_remove_pat(ap); | |
| 8502 } | |
| 8503 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8504 show_autocmd(ap, event); | |
| 8505 } | |
| 8506 } | |
| 8507 | |
| 8508 /* | |
| 8509 * Loop through all the specified patterns. | |
| 8510 */ | |
| 8511 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8512 { | |
| 8513 /* | |
| 8514 * Find end of the pattern. | |
| 8515 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8516 */ | |
| 8517 brace_level = 0; | |
| 8518 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8519 || endpat[-1] == '\\'); ++endpat) | |
| 8520 { | |
| 8521 if (*endpat == '{') | |
| 8522 brace_level++; | |
| 8523 else if (*endpat == '}') | |
| 8524 brace_level--; | |
| 8525 } | |
| 8526 if (pat == endpat) /* ignore single comma */ | |
| 8527 continue; | |
| 8528 patlen = (int)(endpat - pat); | |
| 8529 | |
| 8530 /* | |
| 40 | 8531 * detect special <buflocal[=X]> buffer-local patterns |
| 8532 */ | |
| 8533 is_buflocal = FALSE; | |
| 8534 buflocal_nr = 0; | |
| 8535 | |
| 8536 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8537 && pat[patlen - 1] == '>') | |
| 8538 { | |
| 8539 /* Error will be printed only for addition. printing and removing | |
| 8540 * will proceed silently. */ | |
| 8541 is_buflocal = TRUE; | |
| 8542 if (patlen == 8) | |
| 8543 buflocal_nr = curbuf->b_fnum; | |
| 8544 else if (patlen > 9 && pat[7] == '=') | |
| 8545 { | |
| 8546 /* <buffer=abuf> */ | |
| 8547 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8548 buflocal_nr = autocmd_bufnr; | |
| 8549 /* <buffer=123> */ | |
| 8550 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8551 buflocal_nr = atoi((char *)pat + 8); | |
| 8552 } | |
| 8553 } | |
| 8554 | |
| 8555 if (is_buflocal) | |
| 8556 { | |
| 8557 /* normalize pat into standard "<buffer>#N" form */ | |
| 8558 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8559 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8560 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8561 } |
| 8562 | |
| 8563 /* | |
| 7 | 8564 * Find AutoPat entries with this pattern. |
| 8565 */ | |
| 8566 prev_ap = &first_autopat[(int)event]; | |
| 8567 while ((ap = *prev_ap) != NULL) | |
| 8568 { | |
| 8569 if (ap->pat != NULL) | |
| 8570 { | |
| 8571 /* Accept a pattern when: | |
| 8572 * - a group was specified and it's that group, or a group was | |
| 8573 * not specified and it's the current group, or a group was | |
| 8574 * not specified and we are listing | |
| 8575 * - the length of the pattern matches | |
| 40 | 8576 * - the pattern matches. |
| 8577 * For <buffer[=X]>, this condition works because we normalize | |
| 8578 * all buffer-local patterns. | |
| 7 | 8579 */ |
| 8580 if ((allgroups || ap->group == findgroup) | |
| 8581 && ap->patlen == patlen | |
| 8582 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8583 { | |
| 8584 /* | |
| 8585 * Remove existing autocommands. | |
| 8586 * If adding any new autocmd's for this AutoPat, don't | |
| 8587 * delete the pattern from the autopat list, append to | |
| 8588 * this list. | |
| 8589 */ | |
| 8590 if (forceit) | |
| 8591 { | |
| 8592 if (*cmd != NUL && ap->next == NULL) | |
| 8593 { | |
| 8594 au_remove_cmds(ap); | |
| 8595 break; | |
| 8596 } | |
| 8597 au_remove_pat(ap); | |
| 8598 } | |
| 8599 | |
| 8600 /* | |
| 40 | 8601 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8602 */ |
| 8603 else if (*cmd == NUL) | |
| 8604 show_autocmd(ap, event); | |
| 8605 | |
| 8606 /* | |
| 8607 * Add autocmd to this autopat, if it's the last one. | |
| 8608 */ | |
| 8609 else if (ap->next == NULL) | |
| 8610 break; | |
| 8611 } | |
| 8612 } | |
| 8613 prev_ap = &ap->next; | |
| 8614 } | |
| 8615 | |
| 8616 /* | |
| 8617 * Add a new command. | |
| 8618 */ | |
| 8619 if (*cmd != NUL) | |
| 8620 { | |
| 8621 /* | |
| 8622 * If the pattern we want to add a command to does appear at the | |
| 8623 * end of the list (or not is not in the list at all), add the | |
| 8624 * pattern at the end of the list. | |
| 8625 */ | |
| 8626 if (ap == NULL) | |
| 8627 { | |
| 40 | 8628 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8629 if (is_buflocal && (buflocal_nr == 0 | |
| 8630 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8631 { | |
| 8632 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8633 buflocal_nr); | |
| 8634 return FAIL; | |
| 8635 } | |
| 8636 | |
| 7 | 8637 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8638 if (ap == NULL) | |
| 8639 return FAIL; | |
| 8640 ap->pat = vim_strnsave(pat, patlen); | |
| 8641 ap->patlen = patlen; | |
| 8642 if (ap->pat == NULL) | |
| 8643 { | |
| 8644 vim_free(ap); | |
| 8645 return FAIL; | |
| 8646 } | |
| 40 | 8647 |
| 8648 if (is_buflocal) | |
| 8649 { | |
| 8650 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8651 ap->reg_prog = NULL; |
| 40 | 8652 } |
| 8653 else | |
| 7 | 8654 { |
| 153 | 8655 char_u *reg_pat; |
| 8656 | |
| 40 | 8657 ap->buflocal_nr = 0; |
| 153 | 8658 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8659 &ap->allow_dirs, TRUE); |
| 153 | 8660 if (reg_pat != NULL) |
| 8661 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8662 vim_free(reg_pat); |
| 153 | 8663 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8664 { |
| 8665 vim_free(ap->pat); | |
| 8666 vim_free(ap); | |
| 8667 return FAIL; | |
| 8668 } | |
| 7 | 8669 } |
| 8670 ap->cmds = NULL; | |
| 8671 *prev_ap = ap; | |
| 8672 ap->next = NULL; | |
| 8673 if (group == AUGROUP_ALL) | |
| 8674 ap->group = current_augroup; | |
| 8675 else | |
| 8676 ap->group = group; | |
| 8677 } | |
| 8678 | |
| 8679 /* | |
| 8680 * Add the autocmd at the end of the AutoCmd list. | |
| 8681 */ | |
| 8682 prev_ac = &(ap->cmds); | |
| 8683 while ((ac = *prev_ac) != NULL) | |
| 8684 prev_ac = &ac->next; | |
| 8685 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8686 if (ac == NULL) | |
| 8687 return FAIL; | |
| 8688 ac->cmd = vim_strsave(cmd); | |
| 8689 #ifdef FEAT_EVAL | |
| 8690 ac->scriptID = current_SID; | |
| 8691 #endif | |
| 8692 if (ac->cmd == NULL) | |
| 8693 { | |
| 8694 vim_free(ac); | |
| 8695 return FAIL; | |
| 8696 } | |
| 8697 ac->next = NULL; | |
| 8698 *prev_ac = ac; | |
| 8699 ac->nested = nested; | |
| 8700 } | |
| 8701 } | |
| 8702 | |
| 8703 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8704 return OK; | |
| 8705 } | |
| 8706 | |
| 8707 /* | |
| 8708 * Implementation of ":doautocmd [group] event [fname]". | |
| 8709 * Return OK for success, FAIL for failure; | |
| 8710 */ | |
| 8711 int | |
| 8712 do_doautocmd(arg, do_msg) | |
| 8713 char_u *arg; | |
| 8714 int do_msg; /* give message for no matching autocmds? */ | |
| 8715 { | |
| 8716 char_u *fname; | |
| 8717 int nothing_done = TRUE; | |
| 8718 int group; | |
| 8719 | |
| 8720 /* | |
| 8721 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8722 */ | |
| 8723 group = au_get_grouparg(&arg); | |
| 8724 if (arg == NULL) /* out of memory */ | |
| 8725 return FAIL; | |
| 8726 | |
| 8727 if (*arg == '*') | |
| 8728 { | |
| 8729 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8730 return FAIL; | |
| 8731 } | |
| 8732 | |
| 8733 /* | |
| 8734 * Scan over the events. | |
| 8735 * If we find an illegal name, return here, don't do anything. | |
| 8736 */ | |
| 8737 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8738 if (fname == NULL) | |
| 8739 return FAIL; | |
| 8740 | |
| 8741 fname = skipwhite(fname); | |
| 8742 | |
| 8743 /* | |
| 8744 * Loop over the events. | |
| 8745 */ | |
| 8746 while (*arg && !vim_iswhite(*arg)) | |
| 8747 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8748 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8749 nothing_done = FALSE; | |
| 8750 | |
| 8751 if (nothing_done && do_msg) | |
| 8752 MSG(_("No matching autocommands")); | |
| 8753 | |
| 8754 #ifdef FEAT_EVAL | |
| 8755 return aborting() ? FAIL : OK; | |
| 8756 #else | |
| 8757 return OK; | |
| 8758 #endif | |
| 8759 } | |
| 8760 | |
| 8761 /* | |
| 8762 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8763 */ | |
| 8764 void | |
| 8765 ex_doautoall(eap) | |
| 8766 exarg_T *eap; | |
| 8767 { | |
| 8768 int retval; | |
| 8769 aco_save_T aco; | |
| 8770 buf_T *buf; | |
| 8771 | |
| 8772 /* | |
| 8773 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8774 * equal to curbuf, but for some buffers there may not be a window. | |
| 8775 * So we change the buffer for the current window for a moment. This | |
| 8776 * gives problems when the autocommands make changes to the list of | |
| 8777 * buffers or windows... | |
| 8778 */ | |
| 8779 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8780 { | |
| 1665 | 8781 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8782 { |
| 8783 /* find a window for this buffer and save some values */ | |
| 8784 aucmd_prepbuf(&aco, buf); | |
| 8785 | |
| 8786 /* execute the autocommands for this buffer */ | |
| 8787 retval = do_doautocmd(eap->arg, FALSE); | |
| 1113 | 8788 |
| 8789 /* Execute the modeline settings, but don't set window-local | |
| 8790 * options if we are using the current window for another buffer. */ | |
| 1906 | 8791 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
| 7 | 8792 |
| 8793 /* restore the current window */ | |
| 8794 aucmd_restbuf(&aco); | |
| 8795 | |
| 8796 /* stop if there is some error or buffer was deleted */ | |
| 8797 if (retval == FAIL || !buf_valid(buf)) | |
| 8798 break; | |
| 8799 } | |
| 8800 } | |
| 8801 | |
| 8802 check_cursor(); /* just in case lines got deleted */ | |
| 8803 } | |
| 8804 | |
| 8805 /* | |
| 8806 * Prepare for executing autocommands for (hidden) buffer "buf". | |
| 1906 | 8807 * Search for a visible window containing the current buffer. If there isn't |
| 8808 * one then use "aucmd_win". | |
| 7 | 8809 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8810 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8811 */ |
| 8812 void | |
| 8813 aucmd_prepbuf(aco, buf) | |
| 8814 aco_save_T *aco; /* structure to save values in */ | |
| 8815 buf_T *buf; /* new curbuf */ | |
| 8816 { | |
| 8817 win_T *win; | |
| 1906 | 8818 #ifdef FEAT_WINDOWS |
| 8819 int save_ea; | |
| 8820 #endif | |
| 7 | 8821 |
| 8822 /* Find a window that is for the new buffer */ | |
| 8823 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8824 win = curwin; | |
| 8825 else | |
| 8826 #ifdef FEAT_WINDOWS | |
| 8827 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8828 if (win->w_buffer == buf) | |
| 8829 break; | |
| 8830 #else | |
| 8831 win = NULL; | |
| 8832 #endif | |
| 8833 | |
| 1906 | 8834 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8835 * back to using the current window. */ | |
| 8836 if (win == NULL && aucmd_win == NULL) | |
| 8837 { | |
| 8838 win_alloc_aucmd_win(); | |
| 8839 if (aucmd_win == NULL) | |
| 8840 win = curwin; | |
| 8841 } | |
| 1944 | 8842 if (win == NULL && aucmd_win_used) |
| 8843 /* Strange recursive autocommand, fall back to using the current | |
| 8844 * window. Expect a few side effects... */ | |
| 8845 win = curwin; | |
| 1906 | 8846 |
| 8847 aco->save_curwin = curwin; | |
| 8848 aco->save_curbuf = curbuf; | |
| 7 | 8849 if (win != NULL) |
| 8850 { | |
| 1906 | 8851 /* There is a window for "buf" in the current tab page, make it the |
| 8852 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8853 * "buf" is curbuf). */ | |
| 1944 | 8854 aco->use_aucmd_win = FALSE; |
| 7 | 8855 curwin = win; |
| 8856 } | |
| 8857 else | |
| 8858 { | |
| 1906 | 8859 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 8860 * effects, insert it in a the current tab page. | |
| 8861 * Anything related to a window (e.g., setting folds) may have | |
| 8862 * unexpected results. */ | |
| 1944 | 8863 aco->use_aucmd_win = TRUE; |
| 8864 aucmd_win_used = TRUE; | |
| 1918 | 8865 aucmd_win->w_buffer = buf; |
|
2258
772bfca06c18
Fix crash when using ":grep".
Bram Moolenaar <bram@vim.org>
parents:
2244
diff
changeset
|
8866 aucmd_win->w_s = &buf->b_s; |
| 7 | 8867 ++buf->b_nwindows; |
| 1918 | 8868 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8869 vim_free(aucmd_win->w_localdir); |
| 8870 aucmd_win->w_localdir = NULL; | |
| 8871 | |
| 8872 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8873 * win_enter_ext(). */ | |
| 8874 aucmd_win->w_localdir = NULL; | |
| 8875 aco->globaldir = globaldir; | |
| 8876 globaldir = NULL; | |
| 8877 | |
| 7 | 8878 |
| 1906 | 8879 #ifdef FEAT_WINDOWS |
| 1923 | 8880 /* Split the current window, put the aucmd_win in the upper half. |
| 8881 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8882 block_autocmds(); | |
| 1906 | 8883 make_snapshot(SNAP_AUCMD_IDX); |
| 8884 save_ea = p_ea; | |
| 8885 p_ea = FALSE; | |
| 8886 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
| 8887 (void)win_comp_pos(); /* recompute window positions */ | |
| 8888 p_ea = save_ea; | |
| 1923 | 8889 unblock_autocmds(); |
| 1906 | 8890 #endif |
| 1918 | 8891 curwin = aucmd_win; |
| 1906 | 8892 } |
| 7 | 8893 curbuf = buf; |
| 1906 | 8894 aco->new_curwin = curwin; |
| 8895 aco->new_curbuf = curbuf; | |
| 7 | 8896 } |
| 8897 | |
| 8898 /* | |
| 8899 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8900 * Restore the window as it was (if possible). | |
| 934 | 8901 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8902 */ |
| 8903 void | |
| 8904 aucmd_restbuf(aco) | |
| 8905 aco_save_T *aco; /* structure holding saved values */ | |
| 8906 { | |
| 1906 | 8907 #ifdef FEAT_WINDOWS |
| 8908 int dummy; | |
| 8909 #endif | |
| 8910 | |
| 1944 | 8911 if (aco->use_aucmd_win) |
| 1906 | 8912 { |
| 8913 --curbuf->b_nwindows; | |
| 8914 #ifdef FEAT_WINDOWS | |
| 8915 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8916 * page. Do not trigger autocommands here. */ |
| 8917 block_autocmds(); | |
| 1906 | 8918 if (curwin != aucmd_win) |
| 8919 { | |
| 8920 tabpage_T *tp; | |
| 8921 win_T *wp; | |
| 8922 | |
| 8923 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8924 { | |
| 8925 if (wp == aucmd_win) | |
| 8926 { | |
| 8927 if (tp != curtab) | |
| 8928 goto_tabpage_tp(tp); | |
| 8929 win_goto(aucmd_win); | |
| 8930 break; | |
| 8931 } | |
| 8932 } | |
| 8933 } | |
| 8934 | |
| 8935 /* Remove the window and frame from the tree of frames. */ | |
| 8936 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8937 win_remove(curwin, NULL); | |
| 1944 | 8938 aucmd_win_used = FALSE; |
| 1906 | 8939 last_status(FALSE); /* may need to remove last status line */ |
| 8940 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8941 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8942 unblock_autocmds(); |
| 1906 | 8943 |
| 8944 if (win_valid(aco->save_curwin)) | |
| 8945 curwin = aco->save_curwin; | |
| 8946 else | |
| 8947 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8948 curwin = firstwin; | |
| 8949 # ifdef FEAT_EVAL | |
| 8950 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
| 2001 | 8951 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
| 1906 | 8952 # endif |
| 8953 #else | |
| 8954 curwin = aco->save_curwin; | |
| 8955 #endif | |
| 8956 curbuf = curwin->w_buffer; | |
| 8957 | |
| 1944 | 8958 vim_free(globaldir); |
| 8959 globaldir = aco->globaldir; | |
| 8960 | |
| 1906 | 8961 /* the buffer contents may have changed */ |
| 8962 check_cursor(); | |
| 8963 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8964 { | |
| 8965 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8966 #ifdef FEAT_DIFF | |
| 8967 curwin->w_topfill = 0; | |
| 8968 #endif | |
| 8969 } | |
| 8970 #if defined(FEAT_GUI) | |
| 8971 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8972 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8973 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8974 gui_may_update_scrollbars(); | |
| 8975 #endif | |
| 8976 } | |
| 8977 else | |
| 7 | 8978 { |
| 8979 /* restore curwin */ | |
| 8980 #ifdef FEAT_WINDOWS | |
| 8981 if (win_valid(aco->save_curwin)) | |
| 8982 #endif | |
| 8983 { | |
| 1906 | 8984 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8985 * it was changed, we are still the same window and the buffer is |
| 1906 | 8986 * valid. */ |
| 7 | 8987 if (curwin == aco->new_curwin |
| 1906 | 8988 && curbuf != aco->new_curbuf |
| 8989 && buf_valid(aco->new_curbuf) | |
| 8990 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8991 { |
| 8992 --curbuf->b_nwindows; | |
| 1906 | 8993 curbuf = aco->new_curbuf; |
| 7 | 8994 curwin->w_buffer = curbuf; |
| 8995 ++curbuf->b_nwindows; | |
| 8996 } | |
| 8997 | |
| 8998 curwin = aco->save_curwin; | |
| 8999 curbuf = curwin->w_buffer; | |
| 9000 } | |
| 9001 } | |
| 9002 } | |
| 9003 | |
| 9004 static int autocmd_nested = FALSE; | |
| 9005 | |
| 9006 /* | |
| 9007 * Execute autocommands for "event" and file name "fname". | |
| 9008 * Return TRUE if some commands were executed. | |
| 9009 */ | |
| 9010 int | |
| 9011 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 9012 event_T event; |
| 7 | 9013 char_u *fname; /* NULL or empty means use actual file name */ |
| 9014 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 9015 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9016 buf_T *buf; /* buffer for <abuf> */ | |
| 9017 { | |
| 9018 return apply_autocmds_group(event, fname, fname_io, force, | |
| 9019 AUGROUP_ALL, buf, NULL); | |
| 9020 } | |
| 9021 | |
| 9022 /* | |
| 9023 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 9024 * setting v:filearg. | |
| 9025 */ | |
| 9026 static int | |
| 9027 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 9028 event_T event; |
| 7 | 9029 char_u *fname; |
| 9030 char_u *fname_io; | |
| 9031 int force; | |
| 9032 buf_T *buf; | |
| 9033 exarg_T *eap; | |
| 9034 { | |
| 9035 return apply_autocmds_group(event, fname, fname_io, force, | |
| 9036 AUGROUP_ALL, buf, eap); | |
| 9037 } | |
| 9038 | |
| 9039 /* | |
| 9040 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 9041 * processing is being aborted or if retval is FAIL when inside a try | |
| 9042 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 9043 * cause the script to be aborted, retval is set to FAIL. | |
| 9044 */ | |
| 9045 int | |
| 9046 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 9047 event_T event; |
| 7 | 9048 char_u *fname; /* NULL or empty means use actual file name */ |
| 9049 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 9050 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9051 buf_T *buf; /* buffer for <abuf> */ | |
| 9052 int *retval; /* pointer to caller's retval */ | |
| 9053 { | |
| 9054 int did_cmd; | |
| 9055 | |
| 532 | 9056 #ifdef FEAT_EVAL |
| 7 | 9057 if (should_abort(*retval)) |
| 9058 return FALSE; | |
| 532 | 9059 #endif |
| 7 | 9060 |
| 9061 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 9062 AUGROUP_ALL, buf, NULL); | |
| 532 | 9063 if (did_cmd |
| 9064 #ifdef FEAT_EVAL | |
| 9065 && aborting() | |
| 9066 #endif | |
| 9067 ) | |
| 7 | 9068 *retval = FAIL; |
| 9069 return did_cmd; | |
| 9070 } | |
| 9071 | |
| 609 | 9072 /* |
| 9073 * Return TRUE when there is a CursorHold autocommand defined. | |
| 9074 */ | |
| 7 | 9075 int |
| 9076 has_cursorhold() | |
| 9077 { | |
| 661 | 9078 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 9079 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 9080 } |
| 609 | 9081 |
| 9082 /* | |
| 9083 * Return TRUE if the CursorHold event can be triggered. | |
| 9084 */ | |
| 9085 int | |
| 9086 trigger_cursorhold() | |
| 9087 { | |
| 661 | 9088 int state; |
| 9089 | |
| 978 | 9090 if (!did_cursorhold && has_cursorhold() && !Recording |
| 9091 #ifdef FEAT_INS_EXPAND | |
| 9092 && !ins_compl_active() | |
| 9093 #endif | |
| 9094 ) | |
| 661 | 9095 { |
| 9096 state = get_real_state(); | |
| 9097 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 9098 return TRUE; | |
| 9099 } | |
| 9100 return FALSE; | |
| 609 | 9101 } |
| 661 | 9102 |
| 9103 /* | |
| 9104 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 9105 */ | |
| 9106 int | |
| 9107 has_cursormoved() | |
| 9108 { | |
| 9109 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 9110 } | |
| 9111 | |
| 9112 /* | |
| 9113 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 9114 */ | |
| 9115 int | |
| 9116 has_cursormovedI() | |
| 9117 { | |
| 9118 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 9119 } | |
| 7 | 9120 |
| 9121 static int | |
| 9122 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 9123 event_T event; |
| 7 | 9124 char_u *fname; /* NULL or empty means use actual file name */ |
| 9125 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 9126 use fname */ | |
| 9127 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9128 int group; /* group ID, or AUGROUP_ALL */ | |
| 9129 buf_T *buf; /* buffer for <abuf> */ | |
| 9130 exarg_T *eap; /* command arguments */ | |
| 9131 { | |
| 9132 char_u *sfname = NULL; /* short file name */ | |
| 9133 char_u *tail; | |
| 9134 int save_changed; | |
| 9135 buf_T *old_curbuf; | |
| 9136 int retval = FALSE; | |
| 9137 char_u *save_sourcing_name; | |
| 9138 linenr_T save_sourcing_lnum; | |
| 9139 char_u *save_autocmd_fname; | |
| 1723 | 9140 int save_autocmd_fname_full; |
| 7 | 9141 int save_autocmd_bufnr; |
| 9142 char_u *save_autocmd_match; | |
| 9143 int save_autocmd_busy; | |
| 9144 int save_autocmd_nested; | |
| 9145 static int nesting = 0; | |
| 9146 AutoPatCmd patcmd; | |
| 9147 AutoPat *ap; | |
| 9148 #ifdef FEAT_EVAL | |
| 9149 scid_T save_current_SID; | |
| 9150 void *save_funccalp; | |
| 9151 char_u *save_cmdarg; | |
| 9152 long save_cmdbang; | |
| 9153 #endif | |
| 9154 static int filechangeshell_busy = FALSE; | |
| 170 | 9155 #ifdef FEAT_PROFILE |
| 9156 proftime_T wait_time; | |
| 9157 #endif | |
| 7 | 9158 |
| 9159 /* | |
| 9160 * Quickly return if there are no autocommands for this event or | |
| 9161 * autocommands are blocked. | |
| 9162 */ | |
| 1410 | 9163 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 9164 goto BYPASS_AU; |
| 7 | 9165 |
| 9166 /* | |
| 9167 * When autocommands are busy, new autocommands are only executed when | |
| 9168 * explicitly enabled with the "nested" flag. | |
| 9169 */ | |
| 9170 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 9171 goto BYPASS_AU; |
| 7 | 9172 |
| 9173 #ifdef FEAT_EVAL | |
| 9174 /* | |
| 1201 | 9175 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 9176 * occurred or an exception was thrown but not caught. |
| 9177 */ | |
| 9178 if (aborting()) | |
| 40 | 9179 goto BYPASS_AU; |
| 7 | 9180 #endif |
| 9181 | |
| 9182 /* | |
| 9183 * FileChangedShell never nests, because it can create an endless loop. | |
| 9184 */ | |
| 765 | 9185 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 9186 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 9187 goto BYPASS_AU; |
| 7 | 9188 |
| 9189 /* | |
| 9190 * Ignore events in 'eventignore'. | |
| 9191 */ | |
| 9192 if (event_ignored(event)) | |
| 40 | 9193 goto BYPASS_AU; |
| 7 | 9194 |
| 9195 /* | |
| 9196 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 9197 * possible to create an endless loop. | |
| 9198 */ | |
| 9199 if (nesting == 10) | |
| 9200 { | |
| 9201 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 9202 goto BYPASS_AU; |
| 7 | 9203 } |
| 9204 | |
| 9205 /* | |
| 9206 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 9207 * ":ball". | |
| 9208 */ | |
| 9209 if ( (autocmd_no_enter | |
| 9210 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 9211 || (autocmd_no_leave | |
| 9212 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 9213 goto BYPASS_AU; |
| 7 | 9214 |
| 9215 /* | |
| 9216 * Save the autocmd_* variables and info about the current buffer. | |
| 9217 */ | |
| 9218 save_autocmd_fname = autocmd_fname; | |
| 1723 | 9219 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 9220 save_autocmd_bufnr = autocmd_bufnr; |
| 9221 save_autocmd_match = autocmd_match; | |
| 9222 save_autocmd_busy = autocmd_busy; | |
| 9223 save_autocmd_nested = autocmd_nested; | |
| 9224 save_changed = curbuf->b_changed; | |
| 9225 old_curbuf = curbuf; | |
| 9226 | |
| 9227 /* | |
| 9228 * Set the file name to be used for <afile>. | |
| 1471 | 9229 * Make a copy to avoid that changing a buffer name or directory makes it |
| 9230 * invalid. | |
| 7 | 9231 */ |
| 9232 if (fname_io == NULL) | |
| 9233 { | |
| 9234 if (fname != NULL && *fname != NUL) | |
| 9235 autocmd_fname = fname; | |
| 9236 else if (buf != NULL) | |
| 1723 | 9237 autocmd_fname = buf->b_ffname; |
| 7 | 9238 else |
| 9239 autocmd_fname = NULL; | |
| 9240 } | |
| 9241 else | |
| 9242 autocmd_fname = fname_io; | |
| 1471 | 9243 if (autocmd_fname != NULL) |
| 1723 | 9244 autocmd_fname = vim_strsave(autocmd_fname); |
| 9245 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 9246 |
| 9247 /* | |
| 9248 * Set the buffer number to be used for <abuf>. | |
| 9249 */ | |
| 9250 if (buf == NULL) | |
| 9251 autocmd_bufnr = 0; | |
| 9252 else | |
| 9253 autocmd_bufnr = buf->b_fnum; | |
| 9254 | |
| 9255 /* | |
| 9256 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 9257 * Always use the full path of the file name to match with, in case | |
| 9258 * "allow_dirs" is set. | |
| 9259 */ | |
| 9260 if (fname == NULL || *fname == NUL) | |
| 9261 { | |
| 9262 if (buf == NULL) | |
| 9263 fname = NULL; | |
| 9264 else | |
| 9265 { | |
| 9266 #ifdef FEAT_SYN_HL | |
| 9267 if (event == EVENT_SYNTAX) | |
| 9268 fname = buf->b_p_syn; | |
| 9269 else | |
| 9270 #endif | |
| 9271 if (event == EVENT_FILETYPE) | |
| 9272 fname = buf->b_p_ft; | |
| 9273 else | |
| 9274 { | |
| 9275 if (buf->b_sfname != NULL) | |
| 9276 sfname = vim_strsave(buf->b_sfname); | |
| 9277 fname = buf->b_ffname; | |
| 9278 } | |
| 9279 } | |
| 9280 if (fname == NULL) | |
| 9281 fname = (char_u *)""; | |
| 9282 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 9283 } | |
| 9284 else | |
| 9285 { | |
| 9286 sfname = vim_strsave(fname); | |
| 1867 | 9287 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 9288 * QuickFixCmd* */ | |
| 161 | 9289 if (event == EVENT_FILETYPE |
| 9290 || event == EVENT_SYNTAX | |
| 1867 | 9291 || event == EVENT_FUNCUNDEFINED |
| 161 | 9292 || event == EVENT_REMOTEREPLY |
| 649 | 9293 || event == EVENT_SPELLFILEMISSING |
| 161 | 9294 || event == EVENT_QUICKFIXCMDPRE |
| 9295 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 9296 fname = vim_strsave(fname); |
| 9297 else | |
| 9298 fname = FullName_save(fname, FALSE); | |
| 9299 } | |
| 9300 if (fname == NULL) /* out of memory */ | |
| 9301 { | |
| 9302 vim_free(sfname); | |
| 40 | 9303 retval = FALSE; |
| 9304 goto BYPASS_AU; | |
| 7 | 9305 } |
| 9306 | |
| 9307 #ifdef BACKSLASH_IN_FILENAME | |
| 9308 /* | |
| 9309 * Replace all backslashes with forward slashes. This makes the | |
| 9310 * autocommand patterns portable between Unix and MS-DOS. | |
| 9311 */ | |
| 9312 if (sfname != NULL) | |
| 9313 forward_slash(sfname); | |
| 9314 forward_slash(fname); | |
| 9315 #endif | |
| 9316 | |
| 9317 #ifdef VMS | |
| 9318 /* remove version for correct match */ | |
| 9319 if (sfname != NULL) | |
| 9320 vms_remove_version(sfname); | |
| 9321 vms_remove_version(fname); | |
| 9322 #endif | |
| 9323 | |
| 9324 /* | |
| 9325 * Set the name to be used for <amatch>. | |
| 9326 */ | |
| 9327 autocmd_match = fname; | |
| 9328 | |
| 9329 | |
| 9330 /* Don't redraw while doing auto commands. */ | |
| 9331 ++RedrawingDisabled; | |
| 9332 save_sourcing_name = sourcing_name; | |
| 9333 sourcing_name = NULL; /* don't free this one */ | |
| 9334 save_sourcing_lnum = sourcing_lnum; | |
| 9335 sourcing_lnum = 0; /* no line number here */ | |
| 9336 | |
| 9337 #ifdef FEAT_EVAL | |
| 9338 save_current_SID = current_SID; | |
| 9339 | |
| 170 | 9340 # ifdef FEAT_PROFILE |
| 788 | 9341 if (do_profiling == PROF_YES) |
| 170 | 9342 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9343 # endif | |
| 9344 | |
| 7 | 9345 /* Don't use local function variables, if called from a function */ |
| 9346 save_funccalp = save_funccal(); | |
| 9347 #endif | |
| 9348 | |
| 9349 /* | |
| 9350 * When starting to execute autocommands, save the search patterns. | |
| 9351 */ | |
| 9352 if (!autocmd_busy) | |
| 9353 { | |
| 9354 save_search_patterns(); | |
| 9355 saveRedobuff(); | |
| 9356 did_filetype = keep_filetype; | |
| 9357 } | |
| 9358 | |
| 9359 /* | |
| 9360 * Note that we are applying autocmds. Some commands need to know. | |
| 9361 */ | |
| 9362 autocmd_busy = TRUE; | |
| 9363 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9364 ++nesting; /* see matching decrement below */ | |
| 9365 | |
| 9366 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9367 if (event == EVENT_FILETYPE) | |
| 9368 did_filetype = TRUE; | |
| 9369 | |
| 9370 tail = gettail(fname); | |
| 9371 | |
| 9372 /* Find first autocommand that matches */ | |
| 9373 patcmd.curpat = first_autopat[(int)event]; | |
| 9374 patcmd.nextcmd = NULL; | |
| 9375 patcmd.group = group; | |
| 9376 patcmd.fname = fname; | |
| 9377 patcmd.sfname = sfname; | |
| 9378 patcmd.tail = tail; | |
| 9379 patcmd.event = event; | |
| 40 | 9380 patcmd.arg_bufnr = autocmd_bufnr; |
| 9381 patcmd.next = NULL; | |
| 7 | 9382 auto_next_pat(&patcmd, FALSE); |
| 9383 | |
| 9384 /* found one, start executing the autocommands */ | |
| 9385 if (patcmd.curpat != NULL) | |
| 9386 { | |
| 40 | 9387 /* add to active_apc_list */ |
| 9388 patcmd.next = active_apc_list; | |
| 9389 active_apc_list = &patcmd; | |
| 9390 | |
| 7 | 9391 #ifdef FEAT_EVAL |
| 9392 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9393 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9394 if (eap != NULL) | |
| 9395 { | |
| 9396 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9397 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9398 } | |
| 9399 else | |
| 9400 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9401 #endif | |
| 9402 retval = TRUE; | |
| 9403 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9404 * are added when executing autocommands */ | |
| 9405 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9406 ap->last = FALSE; | |
| 9407 ap->last = TRUE; | |
| 9408 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9409 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9410 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9411 #ifdef FEAT_EVAL | |
| 9412 if (eap != NULL) | |
| 9413 { | |
| 9414 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9415 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9416 } | |
| 9417 #endif | |
| 40 | 9418 /* delete from active_apc_list */ |
| 9419 if (active_apc_list == &patcmd) /* just in case */ | |
| 9420 active_apc_list = patcmd.next; | |
| 7 | 9421 } |
| 9422 | |
| 9423 --RedrawingDisabled; | |
| 9424 autocmd_busy = save_autocmd_busy; | |
| 9425 filechangeshell_busy = FALSE; | |
| 9426 autocmd_nested = save_autocmd_nested; | |
| 9427 vim_free(sourcing_name); | |
| 9428 sourcing_name = save_sourcing_name; | |
| 9429 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9430 vim_free(autocmd_fname); |
| 7 | 9431 autocmd_fname = save_autocmd_fname; |
| 1723 | 9432 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9433 autocmd_bufnr = save_autocmd_bufnr; |
| 9434 autocmd_match = save_autocmd_match; | |
| 9435 #ifdef FEAT_EVAL | |
| 9436 current_SID = save_current_SID; | |
| 9437 restore_funccal(save_funccalp); | |
| 170 | 9438 # ifdef FEAT_PROFILE |
| 788 | 9439 if (do_profiling == PROF_YES) |
| 170 | 9440 prof_child_exit(&wait_time); |
| 9441 # endif | |
| 7 | 9442 #endif |
| 9443 vim_free(fname); | |
| 9444 vim_free(sfname); | |
| 9445 --nesting; /* see matching increment above */ | |
| 9446 | |
| 9447 /* | |
| 9448 * When stopping to execute autocommands, restore the search patterns and | |
| 9449 * the redo buffer. | |
| 9450 */ | |
| 9451 if (!autocmd_busy) | |
| 9452 { | |
| 9453 restore_search_patterns(); | |
| 9454 restoreRedobuff(); | |
| 9455 did_filetype = FALSE; | |
| 9456 } | |
| 9457 | |
| 9458 /* | |
| 9459 * Some events don't set or reset the Changed flag. | |
| 9460 * Check if still in the same buffer! | |
| 9461 */ | |
| 9462 if (curbuf == old_curbuf | |
| 9463 && (event == EVENT_BUFREADPOST | |
| 9464 || event == EVENT_BUFWRITEPOST | |
| 9465 || event == EVENT_FILEAPPENDPOST | |
| 9466 || event == EVENT_VIMLEAVE | |
| 9467 || event == EVENT_VIMLEAVEPRE)) | |
| 9468 { | |
| 9469 #ifdef FEAT_TITLE | |
| 9470 if (curbuf->b_changed != save_changed) | |
| 9471 need_maketitle = TRUE; | |
| 9472 #endif | |
| 9473 curbuf->b_changed = save_changed; | |
| 9474 } | |
| 9475 | |
| 9476 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9477 |
| 9478 BYPASS_AU: | |
| 9479 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9480 * are deleted. */ | |
| 9481 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9482 aubuflocal_remove(buf); | |
| 9483 | |
| 7 | 9484 return retval; |
| 9485 } | |
| 9486 | |
| 1410 | 9487 # ifdef FEAT_EVAL |
| 9488 static char_u *old_termresponse = NULL; | |
| 9489 # endif | |
| 9490 | |
| 9491 /* | |
| 9492 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9493 * Can be used recursively, so long as it's symmetric. | |
| 9494 */ | |
| 9495 void | |
| 9496 block_autocmds() | |
| 9497 { | |
| 9498 # ifdef FEAT_EVAL | |
| 9499 /* Remember the value of v:termresponse. */ | |
| 9500 if (autocmd_blocked == 0) | |
| 9501 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9502 # endif | |
| 9503 ++autocmd_blocked; | |
| 9504 } | |
| 9505 | |
| 9506 void | |
| 9507 unblock_autocmds() | |
| 9508 { | |
| 9509 --autocmd_blocked; | |
| 9510 | |
| 9511 # ifdef FEAT_EVAL | |
| 9512 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9513 * the autocommands now. Esp. useful when executing a shell command | |
| 9514 * during startup (vimdiff). */ | |
| 9515 if (autocmd_blocked == 0 | |
| 9516 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9517 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9518 # endif | |
| 9519 } | |
| 9520 | |
| 7 | 9521 /* |
| 9522 * Find next autocommand pattern that matches. | |
| 9523 */ | |
| 9524 static void | |
| 9525 auto_next_pat(apc, stop_at_last) | |
| 9526 AutoPatCmd *apc; | |
| 9527 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9528 { | |
| 9529 AutoPat *ap; | |
| 9530 AutoCmd *cp; | |
| 9531 char_u *name; | |
| 9532 char *s; | |
| 9533 | |
| 9534 vim_free(sourcing_name); | |
| 9535 sourcing_name = NULL; | |
| 9536 | |
| 9537 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9538 { | |
| 9539 apc->curpat = NULL; | |
| 9540 | |
| 1723 | 9541 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9542 * the group matches. For buffer-local autocommands only check the |
| 9543 * buffer number. */ | |
| 7 | 9544 if (ap->pat != NULL && ap->cmds != NULL |
| 9545 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9546 { | |
| 40 | 9547 /* execution-condition */ |
| 9548 if (ap->buflocal_nr == 0 | |
| 153 | 9549 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9550 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9551 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9552 { |
| 9553 name = event_nr2name(apc->event); | |
| 9554 s = _("%s Auto commands for \"%s\""); | |
| 9555 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9556 + STRLEN(name) + ap->patlen + 1)); | |
| 9557 if (sourcing_name != NULL) | |
| 9558 { | |
| 9559 sprintf((char *)sourcing_name, s, | |
| 9560 (char *)name, (char *)ap->pat); | |
| 9561 if (p_verbose >= 8) | |
| 292 | 9562 { |
| 9563 verbose_enter(); | |
| 273 | 9564 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9565 verbose_leave(); |
| 9566 } | |
| 7 | 9567 } |
| 9568 | |
| 9569 apc->curpat = ap; | |
| 9570 apc->nextcmd = ap->cmds; | |
| 9571 /* mark last command */ | |
| 9572 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9573 cp->last = FALSE; | |
| 9574 cp->last = TRUE; | |
| 9575 } | |
| 9576 line_breakcheck(); | |
| 9577 if (apc->curpat != NULL) /* found a match */ | |
| 9578 break; | |
| 9579 } | |
| 9580 if (stop_at_last && ap->last) | |
| 9581 break; | |
| 9582 } | |
| 9583 } | |
| 9584 | |
| 9585 /* | |
| 9586 * Get next autocommand command. | |
| 9587 * Called by do_cmdline() to get the next line for ":if". | |
| 9588 * Returns allocated string, or NULL for end of autocommands. | |
| 9589 */ | |
| 9590 static char_u * | |
| 9591 getnextac(c, cookie, indent) | |
| 1880 | 9592 int c UNUSED; |
| 7 | 9593 void *cookie; |
| 1880 | 9594 int indent UNUSED; |
| 7 | 9595 { |
| 9596 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9597 char_u *retval; | |
| 9598 AutoCmd *ac; | |
| 9599 | |
| 9600 /* Can be called again after returning the last line. */ | |
| 9601 if (acp->curpat == NULL) | |
| 9602 return NULL; | |
| 9603 | |
| 9604 /* repeat until we find an autocommand to execute */ | |
| 9605 for (;;) | |
| 9606 { | |
| 9607 /* skip removed commands */ | |
| 9608 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9609 if (acp->nextcmd->last) | |
| 9610 acp->nextcmd = NULL; | |
| 9611 else | |
| 9612 acp->nextcmd = acp->nextcmd->next; | |
| 9613 | |
| 9614 if (acp->nextcmd != NULL) | |
| 9615 break; | |
| 9616 | |
| 9617 /* at end of commands, find next pattern that matches */ | |
| 9618 if (acp->curpat->last) | |
| 9619 acp->curpat = NULL; | |
| 9620 else | |
| 9621 acp->curpat = acp->curpat->next; | |
| 9622 if (acp->curpat != NULL) | |
| 9623 auto_next_pat(acp, TRUE); | |
| 9624 if (acp->curpat == NULL) | |
| 9625 return NULL; | |
| 9626 } | |
| 9627 | |
| 9628 ac = acp->nextcmd; | |
| 9629 | |
| 9630 if (p_verbose >= 9) | |
| 9631 { | |
| 292 | 9632 verbose_enter_scroll(); |
| 273 | 9633 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9634 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9635 verbose_leave_scroll(); |
| 7 | 9636 } |
| 9637 retval = vim_strsave(ac->cmd); | |
| 9638 autocmd_nested = ac->nested; | |
| 9639 #ifdef FEAT_EVAL | |
| 9640 current_SID = ac->scriptID; | |
| 9641 #endif | |
| 9642 if (ac->last) | |
| 9643 acp->nextcmd = NULL; | |
| 9644 else | |
| 9645 acp->nextcmd = ac->next; | |
| 9646 return retval; | |
| 9647 } | |
| 9648 | |
| 9649 /* | |
| 9650 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9651 * To account for buffer-local autocommands, function needs to know |
| 9652 * in which buffer the file will be opened. | |
| 7 | 9653 */ |
| 9654 int | |
| 40 | 9655 has_autocmd(event, sfname, buf) |
| 661 | 9656 event_T event; |
| 7 | 9657 char_u *sfname; |
| 40 | 9658 buf_T *buf; |
| 7 | 9659 { |
| 9660 AutoPat *ap; | |
| 9661 char_u *fname; | |
| 9662 char_u *tail = gettail(sfname); | |
| 9663 int retval = FALSE; | |
| 9664 | |
| 9665 fname = FullName_save(sfname, FALSE); | |
| 9666 if (fname == NULL) | |
| 9667 return FALSE; | |
| 9668 | |
| 9669 #ifdef BACKSLASH_IN_FILENAME | |
| 9670 /* | |
| 9671 * Replace all backslashes with forward slashes. This makes the | |
| 9672 * autocommand patterns portable between Unix and MS-DOS. | |
| 9673 */ | |
| 9674 sfname = vim_strsave(sfname); | |
| 9675 if (sfname != NULL) | |
| 9676 forward_slash(sfname); | |
| 9677 forward_slash(fname); | |
| 9678 #endif | |
| 9679 | |
| 9680 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9681 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9682 && (ap->buflocal_nr == 0 |
| 153 | 9683 ? match_file_pat(NULL, ap->reg_prog, |
| 9684 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9685 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9686 )) |
| 7 | 9687 { |
| 9688 retval = TRUE; | |
| 9689 break; | |
| 9690 } | |
| 9691 | |
| 9692 vim_free(fname); | |
| 9693 #ifdef BACKSLASH_IN_FILENAME | |
| 9694 vim_free(sfname); | |
| 9695 #endif | |
| 9696 | |
| 9697 return retval; | |
| 9698 } | |
| 9699 | |
| 9700 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9701 /* | |
| 9702 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9703 * names. | |
| 9704 */ | |
| 9705 char_u * | |
| 9706 get_augroup_name(xp, idx) | |
| 1880 | 9707 expand_T *xp UNUSED; |
| 7 | 9708 int idx; |
| 9709 { | |
| 9710 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9711 return (char_u *)"END"; | |
| 9712 if (idx >= augroups.ga_len) /* end of list */ | |
| 9713 return NULL; | |
| 9714 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9715 return (char_u *)""; | |
| 9716 return AUGROUP_NAME(idx); /* return a name */ | |
| 9717 } | |
| 9718 | |
| 9719 static int include_groups = FALSE; | |
| 9720 | |
| 9721 char_u * | |
| 9722 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9723 expand_T *xp; | |
| 9724 char_u *arg; | |
| 1733 | 9725 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9726 { |
| 9727 char_u *p; | |
| 9728 int group; | |
| 9729 | |
| 9730 /* check for a group name, skip it if present */ | |
| 9731 include_groups = FALSE; | |
| 9732 p = arg; | |
| 9733 group = au_get_grouparg(&arg); | |
| 9734 if (group == AUGROUP_ERROR) | |
| 9735 return NULL; | |
| 9736 /* If there only is a group name that's what we expand. */ | |
| 9737 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9738 { | |
| 9739 arg = p; | |
| 9740 group = AUGROUP_ALL; | |
| 9741 } | |
| 9742 | |
| 9743 /* skip over event name */ | |
| 9744 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9745 if (*p == ',') | |
| 9746 arg = p + 1; | |
| 9747 if (*p == NUL) | |
| 9748 { | |
| 9749 if (group == AUGROUP_ALL) | |
| 9750 include_groups = TRUE; | |
| 9751 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9752 xp->xp_pattern = arg; | |
| 9753 return NULL; | |
| 9754 } | |
| 9755 | |
| 9756 /* skip over pattern */ | |
| 9757 arg = skipwhite(p); | |
| 9758 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9759 arg++; | |
| 9760 if (*arg) | |
| 9761 return arg; /* expand (next) command */ | |
| 9762 | |
| 9763 if (doautocmd) | |
| 9764 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9765 else | |
| 9766 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9767 return NULL; | |
| 9768 } | |
| 9769 | |
| 9770 /* | |
| 9771 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9772 */ | |
| 9773 char_u * | |
| 9774 get_event_name(xp, idx) | |
| 1880 | 9775 expand_T *xp UNUSED; |
| 7 | 9776 int idx; |
| 9777 { | |
| 9778 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9779 { | |
| 9780 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9781 return (char_u *)""; /* skip deleted entries */ | |
| 9782 return AUGROUP_NAME(idx); /* return a name */ | |
| 9783 } | |
| 9784 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9785 } | |
| 9786 | |
| 9787 #endif /* FEAT_CMDL_COMPL */ | |
| 9788 | |
| 9789 /* | |
| 615 | 9790 * Return TRUE if autocmd is supported. |
| 9791 */ | |
| 9792 int | |
| 9793 autocmd_supported(name) | |
| 9794 char_u *name; | |
| 9795 { | |
| 9796 char_u *p; | |
| 9797 | |
| 9798 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9799 } | |
| 9800 | |
| 9801 /* | |
| 612 | 9802 * Return TRUE if an autocommand is defined for a group, event and |
| 9803 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9804 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9805 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9806 * Used for: | |
| 9807 * exists("#Group") or | |
| 9808 * exists("#Group#Event") or | |
| 9809 * exists("#Group#Event#pat") or | |
| 9810 * exists("#Event") or | |
| 9811 * exists("#Event#pat") | |
| 7 | 9812 */ |
| 9813 int | |
| 612 | 9814 au_exists(arg) |
| 9815 char_u *arg; | |
| 7 | 9816 { |
| 612 | 9817 char_u *arg_save; |
| 9818 char_u *pattern = NULL; | |
| 7 | 9819 char_u *event_name; |
| 9820 char_u *p; | |
| 661 | 9821 event_T event; |
| 7 | 9822 AutoPat *ap; |
| 40 | 9823 buf_T *buflocal_buf = NULL; |
| 612 | 9824 int group; |
| 9825 int retval = FALSE; | |
| 9826 | |
| 615 | 9827 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9828 arg_save = vim_strsave(arg); |
| 9829 if (arg_save == NULL) | |
| 9830 return FALSE; | |
| 615 | 9831 p = vim_strchr(arg_save, '#'); |
| 612 | 9832 if (p != NULL) |
| 9833 *p++ = NUL; | |
| 9834 | |
| 9835 /* First, look for an autocmd group name */ | |
| 9836 group = au_find_group(arg_save); | |
| 9837 if (group == AUGROUP_ERROR) | |
| 9838 { | |
| 9839 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9840 group = AUGROUP_ALL; | |
| 9841 event_name = arg_save; | |
| 9842 } | |
| 9843 else | |
| 9844 { | |
| 9845 if (p == NULL) | |
| 9846 { | |
| 9847 /* "Group": group name is present and it's recognized */ | |
| 9848 retval = TRUE; | |
| 9849 goto theend; | |
| 9850 } | |
| 9851 | |
| 9852 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9853 event_name = p; | |
| 9854 p = vim_strchr(event_name, '#'); | |
| 9855 if (p != NULL) | |
| 9856 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9857 } | |
| 9858 | |
| 9859 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9860 |
| 9861 /* find the index (enum) for the event name */ | |
| 9862 event = event_name2nr(event_name, &p); | |
| 9863 | |
| 9864 /* return FALSE if the event name is not recognized */ | |
| 612 | 9865 if (event == NUM_EVENTS) |
| 9866 goto theend; | |
| 7 | 9867 |
| 9868 /* Find the first autocommand for this event. | |
| 9869 * If there isn't any, return FALSE; | |
| 9870 * If there is one and no pattern given, return TRUE; */ | |
| 9871 ap = first_autopat[(int)event]; | |
| 9872 if (ap == NULL) | |
| 612 | 9873 goto theend; |
| 7 | 9874 |
| 40 | 9875 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9876 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9877 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9878 buflocal_buf = curbuf; |
| 9879 | |
| 7 | 9880 /* Check if there is an autocommand with the given pattern. */ |
| 9881 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9882 /* only use a pattern when it has not been removed and has commands. */ |
| 9883 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9884 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9885 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9886 && (pattern == NULL |
| 9887 || (buflocal_buf == NULL | |
| 9888 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9889 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9890 { |
| 9891 retval = TRUE; | |
| 9892 break; | |
| 9893 } | |
| 9894 | |
| 9895 theend: | |
| 9896 vim_free(arg_save); | |
| 9897 return retval; | |
| 7 | 9898 } |
| 40 | 9899 |
| 934 | 9900 #else /* FEAT_AUTOCMD */ |
| 9901 | |
| 9902 /* | |
| 9903 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9904 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9905 * "curbuf" and "curwin" to match "buf". | |
| 9906 */ | |
| 9907 void | |
| 9908 aucmd_prepbuf(aco, buf) | |
| 9909 aco_save_T *aco; /* structure to save values in */ | |
| 9910 buf_T *buf; /* new curbuf */ | |
| 9911 { | |
| 1906 | 9912 aco->save_curbuf = curbuf; |
| 9913 --curbuf->b_nwindows; | |
| 934 | 9914 curbuf = buf; |
| 9915 curwin->w_buffer = buf; | |
| 1906 | 9916 ++curbuf->b_nwindows; |
| 934 | 9917 } |
| 9918 | |
| 9919 /* | |
| 9920 * Restore after executing commands for a (hidden) buffer. | |
| 9921 * This is the non-autocommand version. | |
| 9922 */ | |
| 9923 void | |
| 9924 aucmd_restbuf(aco) | |
| 9925 aco_save_T *aco; /* structure holding saved values */ | |
| 9926 { | |
| 1906 | 9927 --curbuf->b_nwindows; |
| 9928 curbuf = aco->save_curbuf; | |
| 934 | 9929 curwin->w_buffer = curbuf; |
| 1906 | 9930 ++curbuf->b_nwindows; |
| 934 | 9931 } |
| 9932 | |
| 7 | 9933 #endif /* FEAT_AUTOCMD */ |
| 9934 | |
| 934 | 9935 |
| 7 | 9936 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 9937 /* | |
| 153 | 9938 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 9939 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 9940 * vim_regcomp() often. | |
| 7 | 9941 * Used for autocommands and 'wildignore'. |
| 9942 * Returns TRUE if there is a match, FALSE otherwise. | |
| 9943 */ | |
| 9944 int | |
| 153 | 9945 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 9946 char_u *pattern; /* pattern to match with */ |
| 153 | 9947 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 9948 char_u *fname; /* full path of file name */ |
| 9949 char_u *sfname; /* short file name or NULL */ | |
| 9950 char_u *tail; /* tail of path */ | |
| 9951 int allow_dirs; /* allow matching with dir */ | |
| 9952 { | |
| 9953 regmatch_T regmatch; | |
| 9954 int result = FALSE; | |
| 9955 #ifdef FEAT_OSFILETYPE | |
| 9956 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 9957 char_u *type_start; | |
| 9958 char_u c; | |
| 9959 int match = FALSE; | |
| 9960 #endif | |
| 9961 | |
| 9962 #ifdef CASE_INSENSITIVE_FILENAME | |
| 9963 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
| 9964 #else | |
| 9965 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
| 9966 #endif | |
| 9967 #ifdef FEAT_OSFILETYPE | |
| 9968 if (*pattern == '<') | |
| 9969 { | |
| 9970 /* There is a filetype condition specified with this pattern. | |
| 9971 * Check the filetype matches first. If not, don't bother with the | |
| 9972 * pattern (set regprog to NULL). | |
| 9973 * Always use magic for the regexp. | |
| 9974 */ | |
| 9975 | |
| 9976 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 9977 { | |
| 9978 if ((c == ';' || c == '>') && match == FALSE) | |
| 9979 { | |
| 9980 *pattern = NUL; /* Terminate the string */ | |
| 9981 match = mch_check_filetype(fname, type_start); | |
| 9982 *pattern = c; /* Restore the terminator */ | |
| 9983 type_start = pattern + 1; | |
| 9984 } | |
| 9985 if (c == '>') | |
| 9986 break; | |
| 9987 } | |
| 9988 | |
| 9989 /* (c should never be NUL, but check anyway) */ | |
| 9990 if (match == FALSE || c == NUL) | |
| 9991 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 9992 else if (*pattern == NUL) | |
| 9993 { | |
| 9994 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 9995 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 9996 } | |
| 9997 else | |
| 9998 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 9999 } | |
| 10000 else | |
| 10001 #endif | |
| 153 | 10002 { |
| 10003 if (prog != NULL) | |
| 10004 regmatch.regprog = prog; | |
| 10005 else | |
| 10006 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 10007 } | |
| 7 | 10008 |
| 10009 /* | |
| 10010 * Try for a match with the pattern with: | |
| 10011 * 1. the full file name, when the pattern has a '/'. | |
| 10012 * 2. the short file name, when the pattern has a '/'. | |
| 10013 * 3. the tail of the file name, when the pattern has no '/'. | |
| 10014 */ | |
| 10015 if ( | |
| 10016 #ifdef FEAT_OSFILETYPE | |
| 10017 /* If the check is for a filetype only and we don't care | |
| 10018 * about the path then skip all the regexp stuff. | |
| 10019 */ | |
| 10020 no_pattern || | |
| 10021 #endif | |
| 10022 (regmatch.regprog != NULL | |
| 10023 && ((allow_dirs | |
| 10024 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 10025 || (sfname != NULL | |
| 10026 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 10027 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 10028 result = TRUE; | |
| 10029 | |
| 153 | 10030 if (prog == NULL) |
| 10031 vim_free(regmatch.regprog); | |
| 7 | 10032 return result; |
| 10033 } | |
| 10034 #endif | |
| 10035 | |
| 10036 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 10037 /* | |
| 10038 * Return TRUE if a file matches with a pattern in "list". | |
| 10039 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 10040 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 10041 */ | |
| 10042 int | |
| 10043 match_file_list(list, sfname, ffname) | |
| 10044 char_u *list; | |
| 10045 char_u *sfname; | |
| 10046 char_u *ffname; | |
| 10047 { | |
| 10048 char_u buf[100]; | |
| 10049 char_u *tail; | |
| 10050 char_u *regpat; | |
| 10051 char allow_dirs; | |
| 10052 int match; | |
| 10053 char_u *p; | |
| 10054 | |
| 10055 tail = gettail(sfname); | |
| 10056 | |
| 10057 /* try all patterns in 'wildignore' */ | |
| 10058 p = list; | |
| 10059 while (*p) | |
| 10060 { | |
| 10061 copy_option_part(&p, buf, 100, ","); | |
| 10062 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 10063 if (regpat == NULL) | |
| 10064 break; | |
| 153 | 10065 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 10066 tail, (int)allow_dirs); | |
| 7 | 10067 vim_free(regpat); |
| 10068 if (match) | |
| 10069 return TRUE; | |
| 10070 } | |
| 10071 return FALSE; | |
| 10072 } | |
| 10073 #endif | |
| 10074 | |
| 10075 /* | |
| 10076 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 10077 * a regular expression, and return the result in allocated memory. If there | |
| 10078 * is a directory path separator to be matched, then TRUE is put in | |
| 10079 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 10080 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 10081 * | |
| 10082 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 10083 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 10084 * | |
| 10085 * Returns NULL when out of memory. | |
| 10086 */ | |
| 10087 char_u * | |
| 10088 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 10089 char_u *pat; | |
| 10090 char_u *pat_end; /* first char after pattern or NULL */ | |
| 10091 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 10092 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 10093 { |
| 10094 int size; | |
| 10095 char_u *endp; | |
| 10096 char_u *reg_pat; | |
| 10097 char_u *p; | |
| 10098 int i; | |
| 10099 int nested = 0; | |
| 10100 int add_dollar = TRUE; | |
| 10101 #ifdef FEAT_OSFILETYPE | |
| 10102 int check_length = 0; | |
| 10103 #endif | |
| 10104 | |
| 10105 if (allow_dirs != NULL) | |
| 10106 *allow_dirs = FALSE; | |
| 10107 if (pat_end == NULL) | |
| 10108 pat_end = pat + STRLEN(pat); | |
| 10109 | |
| 10110 #ifdef FEAT_OSFILETYPE | |
| 10111 /* Find out how much of the string is the filetype check */ | |
| 10112 if (*pat == '<') | |
| 10113 { | |
| 10114 /* Count chars until the next '>' */ | |
| 10115 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 10116 ; | |
| 10117 if (p < pat_end) | |
| 10118 { | |
| 10119 /* Pattern is of the form <.*>.* */ | |
| 10120 check_length = p - pat + 1; | |
| 10121 if (p + 1 >= pat_end) | |
| 10122 { | |
| 10123 /* The 'pattern' is a filetype check ONLY */ | |
| 10124 reg_pat = (char_u *)alloc(check_length + 1); | |
| 10125 if (reg_pat != NULL) | |
| 10126 { | |
| 10127 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 10128 reg_pat[check_length] = NUL; | |
| 10129 } | |
| 10130 return reg_pat; | |
| 10131 } | |
| 10132 } | |
| 10133 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 10134 | |
| 10135 } | |
| 10136 pat += check_length; | |
| 10137 size = 2 + check_length; | |
| 10138 #else | |
| 10139 size = 2; /* '^' at start, '$' at end */ | |
| 10140 #endif | |
| 10141 | |
| 10142 for (p = pat; p < pat_end; p++) | |
| 10143 { | |
| 10144 switch (*p) | |
| 10145 { | |
| 10146 case '*': | |
| 10147 case '.': | |
| 10148 case ',': | |
| 10149 case '{': | |
| 10150 case '}': | |
| 10151 case '~': | |
| 10152 size += 2; /* extra backslash */ | |
| 10153 break; | |
| 10154 #ifdef BACKSLASH_IN_FILENAME | |
| 10155 case '\\': | |
| 10156 case '/': | |
| 10157 size += 4; /* could become "[\/]" */ | |
| 10158 break; | |
| 10159 #endif | |
| 10160 default: | |
| 10161 size++; | |
| 10162 # ifdef FEAT_MBYTE | |
| 474 | 10163 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10164 { |
| 10165 ++p; | |
| 10166 ++size; | |
| 10167 } | |
| 10168 # endif | |
| 10169 break; | |
| 10170 } | |
| 10171 } | |
| 10172 reg_pat = alloc(size + 1); | |
| 10173 if (reg_pat == NULL) | |
| 10174 return NULL; | |
| 10175 | |
| 10176 #ifdef FEAT_OSFILETYPE | |
| 10177 /* Copy the type check in to the start. */ | |
| 10178 if (check_length) | |
| 10179 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 10180 i = check_length; | |
| 10181 #else | |
| 10182 i = 0; | |
| 10183 #endif | |
| 10184 | |
| 10185 if (pat[0] == '*') | |
| 10186 while (pat[0] == '*' && pat < pat_end - 1) | |
| 10187 pat++; | |
| 10188 else | |
| 10189 reg_pat[i++] = '^'; | |
| 10190 endp = pat_end - 1; | |
| 10191 if (*endp == '*') | |
| 10192 { | |
| 10193 while (endp - pat > 0 && *endp == '*') | |
| 10194 endp--; | |
| 10195 add_dollar = FALSE; | |
| 10196 } | |
| 10197 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 10198 { | |
| 10199 switch (*p) | |
| 10200 { | |
| 10201 case '*': | |
| 10202 reg_pat[i++] = '.'; | |
| 10203 reg_pat[i++] = '*'; | |
| 444 | 10204 while (p[1] == '*') /* "**" matches like "*" */ |
| 10205 ++p; | |
| 7 | 10206 break; |
| 10207 case '.': | |
| 10208 #ifdef RISCOS | |
| 10209 if (allow_dirs != NULL) | |
| 10210 *allow_dirs = TRUE; | |
| 10211 /* FALLTHROUGH */ | |
| 10212 #endif | |
| 10213 case '~': | |
| 10214 reg_pat[i++] = '\\'; | |
| 10215 reg_pat[i++] = *p; | |
| 10216 break; | |
| 10217 case '?': | |
| 10218 #ifdef RISCOS | |
| 10219 case '#': | |
| 10220 #endif | |
| 10221 reg_pat[i++] = '.'; | |
| 10222 break; | |
| 10223 case '\\': | |
| 10224 if (p[1] == NUL) | |
| 10225 break; | |
| 10226 #ifdef BACKSLASH_IN_FILENAME | |
| 10227 if (!no_bslash) | |
| 10228 { | |
| 10229 /* translate: | |
| 10230 * "\x" to "\\x" e.g., "dir\file" | |
| 10231 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 10232 * "\?" to "\\." e.g., "dir\??.c" | |
| 10233 * "\+" to "\+" e.g., "fileX\+.c" | |
| 10234 */ | |
| 10235 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 10236 && p[1] != '+') | |
| 10237 { | |
| 10238 reg_pat[i++] = '['; | |
| 10239 reg_pat[i++] = '\\'; | |
| 10240 reg_pat[i++] = '/'; | |
| 10241 reg_pat[i++] = ']'; | |
| 10242 if (allow_dirs != NULL) | |
| 10243 *allow_dirs = TRUE; | |
| 10244 break; | |
| 10245 } | |
| 10246 } | |
| 10247 #endif | |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10248 /* Undo escaping from ExpandEscape(): |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10249 * foo\?bar -> foo?bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10250 * foo\%bar -> foo%bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10251 * foo\,bar -> foo,bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10252 * foo\ bar -> foo bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10253 * 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
|
10254 * regexp. */ |
| 7 | 10255 if (*++p == '?' |
| 10256 #ifdef BACKSLASH_IN_FILENAME | |
| 10257 && no_bslash | |
| 10258 #endif | |
| 10259 ) | |
| 10260 reg_pat[i++] = '?'; | |
| 10261 else | |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10262 if (*p == ',' || *p == '%' || *p == '#' || *p == ' ') |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10263 reg_pat[i++] = *p; |
| 7 | 10264 else |
| 10265 { | |
| 10266 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 10267 #ifdef BACKSLASH_IN_FILENAME | |
| 10268 && (!no_bslash || *p != '\\') | |
| 10269 #endif | |
| 10270 ) | |
| 10271 *allow_dirs = TRUE; | |
| 10272 reg_pat[i++] = '\\'; | |
| 10273 reg_pat[i++] = *p; | |
| 10274 } | |
| 10275 break; | |
| 10276 #ifdef BACKSLASH_IN_FILENAME | |
| 10277 case '/': | |
| 10278 reg_pat[i++] = '['; | |
| 10279 reg_pat[i++] = '\\'; | |
| 10280 reg_pat[i++] = '/'; | |
| 10281 reg_pat[i++] = ']'; | |
| 10282 if (allow_dirs != NULL) | |
| 10283 *allow_dirs = TRUE; | |
| 10284 break; | |
| 10285 #endif | |
| 10286 case '{': | |
| 10287 reg_pat[i++] = '\\'; | |
| 10288 reg_pat[i++] = '('; | |
| 10289 nested++; | |
| 10290 break; | |
| 10291 case '}': | |
| 10292 reg_pat[i++] = '\\'; | |
| 10293 reg_pat[i++] = ')'; | |
| 10294 --nested; | |
| 10295 break; | |
| 10296 case ',': | |
| 10297 if (nested) | |
| 10298 { | |
| 10299 reg_pat[i++] = '\\'; | |
| 10300 reg_pat[i++] = '|'; | |
| 10301 } | |
| 10302 else | |
| 10303 reg_pat[i++] = ','; | |
| 10304 break; | |
| 10305 default: | |
| 10306 # ifdef FEAT_MBYTE | |
| 474 | 10307 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10308 reg_pat[i++] = *p++; |
| 10309 else | |
| 10310 # endif | |
| 10311 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 10312 *allow_dirs = TRUE; | |
| 10313 reg_pat[i++] = *p; | |
| 10314 break; | |
| 10315 } | |
| 10316 } | |
| 10317 if (add_dollar) | |
| 10318 reg_pat[i++] = '$'; | |
| 10319 reg_pat[i] = NUL; | |
| 10320 if (nested != 0) | |
| 10321 { | |
| 10322 if (nested < 0) | |
| 10323 EMSG(_("E219: Missing {.")); | |
| 10324 else | |
| 10325 EMSG(_("E220: Missing }.")); | |
| 10326 vim_free(reg_pat); | |
| 10327 reg_pat = NULL; | |
| 10328 } | |
| 10329 return reg_pat; | |
| 10330 } | |
| 2664 | 10331 |
| 10332 #if defined(EINTR) || defined(PROTO) | |
| 10333 /* | |
| 10334 * Version of read() that retries when interrupted by EINTR (possibly | |
| 10335 * by a SIGWINCH). | |
| 10336 */ | |
| 10337 long | |
| 10338 read_eintr(fd, buf, bufsize) | |
| 10339 int fd; | |
| 10340 void *buf; | |
| 10341 size_t bufsize; | |
| 10342 { | |
| 10343 long ret; | |
| 10344 | |
| 10345 for (;;) | |
| 10346 { | |
| 10347 ret = vim_read(fd, buf, bufsize); | |
| 10348 if (ret >= 0 || errno != EINTR) | |
| 10349 break; | |
| 10350 } | |
| 10351 return ret; | |
| 10352 } | |
| 10353 | |
| 10354 /* | |
| 10355 * Version of write() that retries when interrupted by EINTR (possibly | |
| 10356 * by a SIGWINCH). | |
| 10357 */ | |
| 10358 long | |
| 10359 write_eintr(fd, buf, bufsize) | |
| 10360 int fd; | |
| 10361 void *buf; | |
| 10362 size_t bufsize; | |
| 10363 { | |
| 10364 long ret = 0; | |
| 10365 long wlen; | |
| 10366 | |
| 10367 /* Repeat the write() so long it didn't fail, other than being interrupted | |
| 10368 * by a signal. */ | |
| 10369 while (ret < (long)bufsize) | |
| 10370 { | |
| 2666 | 10371 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
| 2664 | 10372 if (wlen < 0) |
| 10373 { | |
| 10374 if (errno != EINTR) | |
| 10375 break; | |
| 10376 } | |
| 10377 else | |
| 10378 ret += wlen; | |
| 10379 } | |
| 10380 return ret; | |
| 10381 } | |
| 10382 #endif |