Mercurial > vim
annotate src/fileio.c @ 5483:9502d1caf90b v7.4.091
updated for version 7.4.091
Problem: Missing semicolon.
Solution: Add the semicolon.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Tue, 12 Nov 2013 18:09:29 +0100 |
| parents | 6707c44cec61 |
| children | 1cdf51706774 |
| 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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A few more changes for encryption. Add test that encrypted file can be read.
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28 /* crypt_magic[0] is pkzip crypt, crypt_magic[1] is sha2+blowfish */ |
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A few more changes for encryption. Add test that encrypted file can be read.
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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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Added salt to blowfish encryption.
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33 /* For blowfish, after the magic header, we store 8 bytes of salt and then 8 |
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Added salt to blowfish encryption.
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34 * bytes of seed (initialisation vector). */ |
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Added salt to blowfish encryption.
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35 static int crypt_salt_len[] = {0, 8}; |
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A few more changes for encryption. Add test that encrypted file can be read.
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36 static int crypt_seed_len[] = {0, 8}; |
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Added salt to blowfish encryption.
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37 #define CRYPT_SALT_LEN_MAX 8 |
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f60a0c9cbe6c
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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60da25e3aab7
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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A few more changes for encryption. Add test that encrypted file can be read.
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252 int did_ask_for_key = FALSE; |
| 2717 | 253 int crypt_method_used; |
| 7 | 254 #endif |
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Included patch for persistent undo. Lots of changes and added test.
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255 #ifdef FEAT_PERSISTENT_UNDO |
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Included patch for persistent undo. Lots of changes and added test.
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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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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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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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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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342 * executing nasty autocommands. Also check if "fname" and "sfname" |
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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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parents:
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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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2523
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347 using_b_ffname = (fname == curbuf->b_ffname) |
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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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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 | |
| 5322 | 431 if (!read_stdin && !read_buffer) |
| 432 { | |
| 7 | 433 #ifdef UNIX |
| 5322 | 434 /* |
| 435 * On Unix it is possible to read a directory, so we have to | |
| 436 * check for it before the mch_open(). | |
| 437 */ | |
| 7 | 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 } | |
| 5322 | 460 #endif |
| 461 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 1006 | 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 } | |
| 5322 | 473 #endif |
| 474 } | |
| 1004 | 475 |
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476 /* Set default or forced 'fileformat' and 'binary'. */ |
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477 set_file_options(set_options, eap); |
| 7 | 478 |
| 479 /* | |
| 480 * When opening a new file we take the readonly flag from the file. | |
| 481 * Default is r/w, can be set to r/o below. | |
| 482 * Don't reset it when in readonly mode | |
| 483 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 484 */ | |
| 485 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 486 if (check_readonly && !readonlymode) |
| 7 | 487 curbuf->b_p_ro = FALSE; |
| 488 | |
| 489 if (newfile && !read_stdin && !read_buffer) | |
| 490 { | |
| 2823 | 491 /* Remember time of file. */ |
| 7 | 492 if (mch_stat((char *)fname, &st) >= 0) |
| 493 { | |
| 494 buf_store_time(curbuf, &st, fname); | |
| 495 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 496 #ifdef UNIX | |
| 497 /* | |
| 498 * Use the protection bits of the original file for the swap file. | |
| 499 * This makes it possible for others to read the name of the | |
| 500 * edited file from the swapfile, but only if they can read the | |
| 501 * edited file. | |
| 502 * Remove the "write" and "execute" bits for group and others | |
| 503 * (they must not write the swapfile). | |
| 504 * Add the "read" and "write" bits for the user, otherwise we may | |
| 505 * not be able to write to the file ourselves. | |
| 506 * Setting the bits is done below, after creating the swap file. | |
| 507 */ | |
| 508 swap_mode = (st.st_mode & 0644) | 0600; | |
| 509 #endif | |
| 510 #ifdef FEAT_CW_EDITOR | |
| 511 /* Get the FSSpec on MacOS | |
| 512 * TODO: Update it properly when the buffer name changes | |
| 513 */ | |
| 514 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 515 #endif | |
| 516 #ifdef VMS | |
| 517 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 518 curbuf->b_fab_rat = st.st_fab_rat; |
| 519 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 520 #endif |
| 521 } | |
| 522 else | |
| 523 { | |
| 524 curbuf->b_mtime = 0; | |
| 525 curbuf->b_mtime_read = 0; | |
| 526 curbuf->b_orig_size = 0; | |
| 527 curbuf->b_orig_mode = 0; | |
| 528 } | |
| 529 | |
| 530 /* Reset the "new file" flag. It will be set again below when the | |
| 531 * file doesn't exist. */ | |
| 532 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 533 } | |
| 534 | |
| 535 /* | |
| 536 * for UNIX: check readonly with perm and mch_access() | |
| 537 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
| 538 */ | |
| 539 file_readonly = FALSE; | |
| 540 if (read_stdin) | |
| 541 { | |
| 542 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 543 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
| 544 setmode(0, O_BINARY); | |
| 545 #endif | |
| 546 } | |
| 547 else if (!read_buffer) | |
| 548 { | |
| 549 #ifdef USE_MCH_ACCESS | |
| 550 if ( | |
| 551 # ifdef UNIX | |
| 552 !(perm & 0222) || | |
| 553 # endif | |
| 554 mch_access((char *)fname, W_OK)) | |
| 555 file_readonly = TRUE; | |
| 556 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 557 #else | |
| 558 if (!newfile | |
| 559 || readonlymode | |
| 560 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 561 { | |
| 562 file_readonly = TRUE; | |
| 563 /* try to open ro */ | |
| 564 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 565 } | |
| 566 #endif | |
| 567 } | |
| 568 | |
| 569 if (fd < 0) /* cannot open at all */ | |
| 570 { | |
| 571 #ifndef UNIX | |
| 572 int isdir_f; | |
| 573 #endif | |
| 574 msg_scroll = msg_save; | |
| 575 #ifndef UNIX | |
| 576 /* | |
| 577 * On MSDOS and Amiga we can't open a directory, check here. | |
| 578 */ | |
| 579 isdir_f = (mch_isdir(fname)); | |
| 580 perm = mch_getperm(fname); /* check if the file exists */ | |
| 581 if (isdir_f) | |
| 582 { | |
| 583 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 584 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 585 } | |
| 586 else | |
| 587 #endif | |
| 588 if (newfile) | |
| 589 { | |
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590 if (perm < 0 |
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591 #ifdef ENOENT |
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592 && errno == ENOENT |
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593 #endif |
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594 ) |
| 7 | 595 { |
| 596 /* | |
| 597 * Set the 'new-file' flag, so that when the file has | |
| 598 * been created by someone else, a ":w" will complain. | |
| 599 */ | |
| 600 curbuf->b_flags |= BF_NEW; | |
| 601 | |
| 602 /* Create a swap file now, so that other Vims are warned | |
| 603 * that we are editing this file. Don't do this for a | |
| 604 * "nofile" or "nowrite" buffer type. */ | |
| 605 #ifdef FEAT_QUICKFIX | |
| 606 if (!bt_dontwrite(curbuf)) | |
| 607 #endif | |
| 1834 | 608 { |
| 7 | 609 check_need_swap(newfile); |
| 1834 | 610 #ifdef FEAT_AUTOCMD |
| 611 /* SwapExists autocommand may mess things up */ | |
| 612 if (curbuf != old_curbuf | |
| 613 || (using_b_ffname | |
| 614 && (old_b_ffname != curbuf->b_ffname)) | |
| 615 || (using_b_fname | |
| 616 && (old_b_fname != curbuf->b_fname))) | |
| 617 { | |
| 618 EMSG(_(e_auchangedbuf)); | |
| 619 return FAIL; | |
| 620 } | |
| 621 #endif | |
| 622 } | |
| 592 | 623 if (dir_of_file_exists(fname)) |
| 624 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 625 else | |
| 626 filemess(curbuf, sfname, | |
| 627 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 628 #ifdef FEAT_VIMINFO |
| 629 /* Even though this is a new file, it might have been | |
| 630 * edited before and deleted. Get the old marks. */ | |
| 631 check_marks_read(); | |
| 632 #endif | |
| 633 #ifdef FEAT_MBYTE | |
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634 /* Set forced 'fileencoding'. */ |
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635 if (eap != NULL) |
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636 set_forced_fenc(eap); |
| 7 | 637 #endif |
| 638 #ifdef FEAT_AUTOCMD | |
| 639 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 640 FALSE, curbuf, eap); | |
| 641 #endif | |
| 642 /* remember the current fileformat */ | |
| 643 save_file_ff(curbuf); | |
| 644 | |
| 645 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 646 if (aborting()) /* autocmds may abort script processing */ | |
| 647 return FAIL; | |
| 648 #endif | |
| 649 return OK; /* a new file is not an error */ | |
| 650 } | |
| 651 else | |
| 652 { | |
| 550 | 653 filemess(curbuf, sfname, (char_u *)( |
| 654 # ifdef EFBIG | |
| 655 (errno == EFBIG) ? _("[File too big]") : | |
| 656 # endif | |
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657 # ifdef EOVERFLOW |
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658 (errno == EOVERFLOW) ? _("[File too big]") : |
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659 # endif |
| 550 | 660 _("[Permission Denied]")), 0); |
| 7 | 661 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 662 } | |
| 663 } | |
| 664 | |
| 665 return FAIL; | |
| 666 } | |
| 667 | |
| 668 /* | |
| 669 * Only set the 'ro' flag for readonly files the first time they are | |
| 670 * loaded. Help files always get readonly mode | |
| 671 */ | |
| 672 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 673 curbuf->b_p_ro = TRUE; | |
| 674 | |
| 819 | 675 if (set_options) |
| 7 | 676 { |
| 1486 | 677 /* Don't change 'eol' if reading from buffer as it will already be |
| 678 * correctly set when reading stdin. */ | |
| 679 if (!read_buffer) | |
| 680 { | |
| 681 curbuf->b_p_eol = TRUE; | |
| 682 curbuf->b_start_eol = TRUE; | |
| 683 } | |
| 7 | 684 #ifdef FEAT_MBYTE |
| 685 curbuf->b_p_bomb = FALSE; | |
| 1352 | 686 curbuf->b_start_bomb = FALSE; |
| 7 | 687 #endif |
| 688 } | |
| 689 | |
| 690 /* Create a swap file now, so that other Vims are warned that we are | |
| 691 * editing this file. | |
| 692 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 693 #ifdef FEAT_QUICKFIX | |
| 694 if (!bt_dontwrite(curbuf)) | |
| 695 #endif | |
| 696 { | |
| 697 check_need_swap(newfile); | |
| 1834 | 698 #ifdef FEAT_AUTOCMD |
| 699 if (!read_stdin && (curbuf != old_curbuf | |
| 700 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 701 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 702 { | |
| 703 EMSG(_(e_auchangedbuf)); | |
| 704 if (!read_buffer) | |
| 705 close(fd); | |
| 706 return FAIL; | |
| 707 } | |
| 708 #endif | |
| 7 | 709 #ifdef UNIX |
| 710 /* Set swap file protection bits after creating it. */ | |
| 1918 | 711 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 712 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 713 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 714 #endif | |
| 715 } | |
| 716 | |
| 578 | 717 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 718 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 719 if (swap_exists_action == SEA_QUIT) | |
| 720 { | |
| 721 if (!read_buffer && !read_stdin) | |
| 722 close(fd); | |
| 723 return FAIL; | |
| 724 } | |
| 725 #endif | |
| 726 | |
| 727 ++no_wait_return; /* don't wait for return yet */ | |
| 728 | |
| 729 /* | |
| 730 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 731 */ | |
| 732 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 733 curbuf->b_op_start.col = 0; | |
| 734 | |
| 735 #ifdef FEAT_AUTOCMD | |
| 736 if (!read_buffer) | |
| 737 { | |
| 738 int m = msg_scroll; | |
| 739 int n = msg_scrolled; | |
| 740 | |
| 741 /* | |
| 742 * The file must be closed again, the autocommands may want to change | |
| 743 * the file before reading it. | |
| 744 */ | |
| 745 if (!read_stdin) | |
| 746 close(fd); /* ignore errors */ | |
| 747 | |
| 748 /* | |
| 749 * The output from the autocommands should not overwrite anything and | |
| 750 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 751 * output was done. | |
| 752 */ | |
| 753 msg_scroll = TRUE; | |
| 754 if (filtering) | |
| 755 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 756 FALSE, curbuf, eap); | |
| 757 else if (read_stdin) | |
| 758 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 759 FALSE, curbuf, eap); | |
| 760 else if (newfile) | |
| 761 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 762 FALSE, curbuf, eap); | |
| 763 else | |
| 764 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 765 FALSE, NULL, eap); | |
| 766 if (msg_scrolled == n) | |
| 767 msg_scroll = m; | |
| 768 | |
| 769 #ifdef FEAT_EVAL | |
| 770 if (aborting()) /* autocmds may abort script processing */ | |
| 771 { | |
| 772 --no_wait_return; | |
| 773 msg_scroll = msg_save; | |
| 774 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 775 return FAIL; | |
| 776 } | |
| 777 #endif | |
| 778 /* | |
| 779 * Don't allow the autocommands to change the current buffer. | |
| 780 * Try to re-open the file. | |
| 1834 | 781 * |
| 782 * Don't allow the autocommands to change the buffer name either | |
| 783 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 784 */ |
| 785 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 786 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 787 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 788 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 789 { | |
| 790 --no_wait_return; | |
| 791 msg_scroll = msg_save; | |
| 792 if (fd < 0) | |
| 793 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 794 else | |
| 795 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 796 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 797 return FAIL; | |
| 798 } | |
| 799 } | |
| 800 #endif /* FEAT_AUTOCMD */ | |
| 801 | |
| 802 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 803 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 804 | |
| 805 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 806 { | |
| 807 /* | |
| 808 * Show the user that we are busy reading the input. Sometimes this | |
| 809 * may take a while. When reading from stdin another program may | |
| 810 * still be running, don't move the cursor to the last line, unless | |
| 811 * always using the GUI. | |
| 812 */ | |
| 813 if (read_stdin) | |
| 814 { | |
| 815 #ifndef ALWAYS_USE_GUI | |
| 816 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 817 #endif | |
| 818 #ifdef FEAT_GUI | |
| 819 /* Also write a message in the GUI window, if there is one. */ | |
| 820 if (gui.in_use && !gui.dying && !gui.starting) | |
| 821 { | |
| 822 p = (char_u *)_("Reading from stdin..."); | |
| 823 gui_write(p, (int)STRLEN(p)); | |
| 824 } | |
| 825 #endif | |
| 826 } | |
| 827 else if (!read_buffer) | |
| 828 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 829 } | |
| 830 | |
| 831 msg_scroll = FALSE; /* overwrite the file message */ | |
| 832 | |
| 833 /* | |
| 834 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 835 * fileformat, and after the autocommands, which may change them. | |
| 836 */ | |
| 837 linecnt = curbuf->b_ml.ml_line_count; | |
| 838 | |
| 839 #ifdef FEAT_MBYTE | |
| 595 | 840 /* "++bad=" argument. */ |
| 841 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 842 { |
| 595 | 843 bad_char_behavior = eap->bad_char; |
| 819 | 844 if (set_options) |
| 612 | 845 curbuf->b_bad_char = eap->bad_char; |
| 846 } | |
| 847 else | |
| 848 curbuf->b_bad_char = 0; | |
| 595 | 849 |
| 7 | 850 /* |
| 595 | 851 * Decide which 'encoding' to use or use first. |
| 7 | 852 */ |
| 853 if (eap != NULL && eap->force_enc != 0) | |
| 854 { | |
| 855 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 856 fenc_alloced = TRUE; | |
| 595 | 857 keep_dest_enc = TRUE; |
| 7 | 858 } |
| 859 else if (curbuf->b_p_bin) | |
| 860 { | |
| 861 fenc = (char_u *)""; /* binary: don't convert */ | |
| 862 fenc_alloced = FALSE; | |
| 863 } | |
| 864 else if (curbuf->b_help) | |
| 865 { | |
| 866 char_u firstline[80]; | |
| 301 | 867 int fc; |
| 7 | 868 |
| 869 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 870 * fails it must be latin1. | |
| 871 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 872 * this when needed to avoid [converted] remarks all the time. | |
| 873 * It is needed when the first line contains non-ASCII characters. | |
| 874 * That is only in *.??x files. */ | |
| 875 fenc = (char_u *)"latin1"; | |
| 876 c = enc_utf8; | |
| 301 | 877 if (!c && !read_stdin) |
| 878 { | |
| 879 fc = fname[STRLEN(fname) - 1]; | |
| 880 if (TOLOWER_ASC(fc) == 'x') | |
| 881 { | |
| 882 /* Read the first line (and a bit more). Immediately rewind to | |
| 883 * the start of the file. If the read() fails "len" is -1. */ | |
| 2664 | 884 len = read_eintr(fd, firstline, 80); |
| 301 | 885 lseek(fd, (off_t)0L, SEEK_SET); |
| 886 for (p = firstline; p < firstline + len; ++p) | |
| 887 if (*p >= 0x80) | |
| 888 { | |
| 889 c = TRUE; | |
| 890 break; | |
| 891 } | |
| 892 } | |
| 7 | 893 } |
| 894 | |
| 895 if (c) | |
| 896 { | |
| 897 fenc_next = fenc; | |
| 898 fenc = (char_u *)"utf-8"; | |
| 899 | |
| 900 /* When the file is utf-8 but a character doesn't fit in | |
| 901 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 902 * doesn't make sense. */ | |
| 844 | 903 if (!enc_utf8) |
| 904 keep_dest_enc = TRUE; | |
| 7 | 905 } |
| 906 fenc_alloced = FALSE; | |
| 907 } | |
| 908 else if (*p_fencs == NUL) | |
| 909 { | |
| 910 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 911 fenc_alloced = FALSE; | |
| 912 } | |
| 913 else | |
| 914 { | |
| 915 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 916 fenc = next_fenc(&fenc_next); | |
| 917 fenc_alloced = TRUE; | |
| 918 } | |
| 919 #endif | |
| 920 | |
| 921 /* | |
| 922 * Jump back here to retry reading the file in different ways. | |
| 923 * Reasons to retry: | |
| 924 * - encoding conversion failed: try another one from "fenc_next" | |
| 925 * - BOM detected and fenc was set, need to setup conversion | |
| 926 * - "fileformat" check failed: try another | |
| 927 * | |
| 928 * Variables set for special retry actions: | |
| 929 * "file_rewind" Rewind the file to start reading it again. | |
| 930 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 931 * "skip_read" Re-use already read bytes (BOM detected). | |
| 932 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 933 * "keep_fileformat" Don't reset "fileformat". | |
| 934 * | |
| 935 * Other status indicators: | |
| 936 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 937 * Output file has to be deleted afterwards. | |
| 938 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 939 */ | |
| 940 retry: | |
| 941 | |
| 942 if (file_rewind) | |
| 943 { | |
| 944 if (read_buffer) | |
| 945 { | |
| 946 read_buf_lnum = 1; | |
| 947 read_buf_col = 0; | |
| 948 } | |
| 949 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 950 { | |
| 951 /* Can't rewind the file, give up. */ | |
| 952 error = TRUE; | |
| 953 goto failed; | |
| 954 } | |
| 955 /* Delete the previously read lines. */ | |
| 956 while (lnum > from) | |
| 957 ml_delete(lnum--, FALSE); | |
| 958 file_rewind = FALSE; | |
| 959 #ifdef FEAT_MBYTE | |
| 819 | 960 if (set_options) |
| 1352 | 961 { |
| 7 | 962 curbuf->b_p_bomb = FALSE; |
| 1352 | 963 curbuf->b_start_bomb = FALSE; |
| 964 } | |
| 595 | 965 conv_error = 0; |
| 7 | 966 #endif |
| 967 } | |
| 968 | |
| 2267 | 969 #ifdef FEAT_CRYPT |
| 970 if (cryptkey != NULL) | |
| 971 /* Need to reset the state, but keep the key, don't want to ask for it | |
| 972 * again. */ | |
| 973 crypt_pop_state(); | |
| 974 #endif | |
| 975 | |
| 7 | 976 /* |
| 977 * When retrying with another "fenc" and the first time "fileformat" | |
| 978 * will be reset. | |
| 979 */ | |
| 980 if (keep_fileformat) | |
| 981 keep_fileformat = FALSE; | |
| 982 else | |
| 983 { | |
| 984 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 985 { |
| 7 | 986 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 987 try_unix = try_dos = try_mac = FALSE; |
| 988 } | |
| 7 | 989 else if (curbuf->b_p_bin) |
| 990 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 991 else if (*p_ffs == NUL) | |
| 992 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 993 else | |
| 994 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 995 } | |
| 996 | |
| 997 #ifdef FEAT_MBYTE | |
| 998 # ifdef USE_ICONV | |
| 999 if (iconv_fd != (iconv_t)-1) | |
| 1000 { | |
| 1001 /* aborted conversion with iconv(), close the descriptor */ | |
| 1002 iconv_close(iconv_fd); | |
| 1003 iconv_fd = (iconv_t)-1; | |
| 1004 } | |
| 1005 # endif | |
| 1006 | |
| 1007 if (advance_fenc) | |
| 1008 { | |
| 1009 /* | |
| 1010 * Try the next entry in 'fileencodings'. | |
| 1011 */ | |
| 1012 advance_fenc = FALSE; | |
| 1013 | |
| 1014 if (eap != NULL && eap->force_enc != 0) | |
| 1015 { | |
| 1016 /* Conversion given with "++cc=" wasn't possible, read | |
| 1017 * without conversion. */ | |
| 1018 notconverted = TRUE; | |
| 595 | 1019 conv_error = 0; |
| 7 | 1020 if (fenc_alloced) |
| 1021 vim_free(fenc); | |
| 1022 fenc = (char_u *)""; | |
| 1023 fenc_alloced = FALSE; | |
| 1024 } | |
| 1025 else | |
| 1026 { | |
| 1027 if (fenc_alloced) | |
| 1028 vim_free(fenc); | |
| 1029 if (fenc_next != NULL) | |
| 1030 { | |
| 1031 fenc = next_fenc(&fenc_next); | |
| 1032 fenc_alloced = (fenc_next != NULL); | |
| 1033 } | |
| 1034 else | |
| 1035 { | |
| 1036 fenc = (char_u *)""; | |
| 1037 fenc_alloced = FALSE; | |
| 1038 } | |
| 1039 } | |
| 1040 if (tmpname != NULL) | |
| 1041 { | |
| 1042 mch_remove(tmpname); /* delete converted file */ | |
| 1043 vim_free(tmpname); | |
| 1044 tmpname = NULL; | |
| 1045 } | |
| 1046 } | |
| 1047 | |
| 1048 /* | |
| 1948 | 1049 * Conversion may be required when the encoding of the file is different |
| 1050 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1051 */ |
| 1052 fio_flags = 0; | |
| 1948 | 1053 converted = need_conversion(fenc); |
| 1054 if (converted) | |
| 7 | 1055 { |
| 1056 | |
| 1057 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1058 * for a BOM. */ | |
| 1059 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1060 fio_flags = FIO_UCSBOM; | |
| 1061 | |
| 1062 /* | |
| 1063 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1064 * done. This is handled below after read(). Prepare the | |
| 1065 * fio_flags to avoid having to parse the string each time. | |
| 1066 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1067 * appears not to handle this correctly. This works just like | |
| 1068 * conversion to UTF-8 except how the resulting character is put in | |
| 1069 * the buffer. | |
| 1070 */ | |
| 1071 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1072 fio_flags = get_fio_flags(fenc); | |
| 1073 | |
| 1074 # ifdef WIN3264 | |
| 1075 /* | |
| 1076 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1077 * is handled with MultiByteToWideChar(). | |
| 1078 */ | |
| 1079 if (fio_flags == 0) | |
| 1080 fio_flags = get_win_fio_flags(fenc); | |
| 1081 # endif | |
| 1082 | |
| 1083 # ifdef MACOS_X | |
| 1084 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1085 if (fio_flags == 0) | |
| 1086 fio_flags = get_mac_fio_flags(fenc); | |
| 1087 # endif | |
| 1088 | |
| 1089 # ifdef USE_ICONV | |
| 1090 /* | |
| 1091 * Try using iconv() if we can't convert internally. | |
| 1092 */ | |
| 1093 if (fio_flags == 0 | |
| 1094 # ifdef FEAT_EVAL | |
| 1095 && !did_iconv | |
| 1096 # endif | |
| 1097 ) | |
| 1098 iconv_fd = (iconv_t)my_iconv_open( | |
| 1099 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1100 # endif | |
| 1101 | |
| 1102 # ifdef FEAT_EVAL | |
| 1103 /* | |
| 1104 * Use the 'charconvert' expression when conversion is required | |
| 1105 * and we can't do it internally or with iconv(). | |
| 1106 */ | |
| 1107 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1108 # ifdef USE_ICONV | |
| 1109 && iconv_fd == (iconv_t)-1 | |
| 1110 # endif | |
| 1111 ) | |
| 1112 { | |
| 1113 # ifdef USE_ICONV | |
| 1114 did_iconv = FALSE; | |
| 1115 # endif | |
| 1116 /* Skip conversion when it's already done (retry for wrong | |
| 1117 * "fileformat"). */ | |
| 1118 if (tmpname == NULL) | |
| 1119 { | |
| 1120 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1121 if (tmpname == NULL) | |
| 1122 { | |
| 1123 /* Conversion failed. Try another one. */ | |
| 1124 advance_fenc = TRUE; | |
| 1125 if (fd < 0) | |
| 1126 { | |
| 1127 /* Re-opening the original file failed! */ | |
| 1128 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1129 error = TRUE; | |
| 1130 goto failed; | |
| 1131 } | |
| 1132 goto retry; | |
| 1133 } | |
| 1134 } | |
| 1135 } | |
| 1136 else | |
| 1137 # endif | |
| 1138 { | |
| 1139 if (fio_flags == 0 | |
| 1140 # ifdef USE_ICONV | |
| 1141 && iconv_fd == (iconv_t)-1 | |
| 1142 # endif | |
| 1143 ) | |
| 1144 { | |
| 1145 /* Conversion wanted but we can't. | |
| 1146 * Try the next conversion in 'fileencodings' */ | |
| 1147 advance_fenc = TRUE; | |
| 1148 goto retry; | |
| 1149 } | |
| 1150 } | |
| 1151 } | |
| 1152 | |
| 595 | 1153 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1154 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1155 * stdin or fixed at a specific encoding. */ |
| 1156 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1157 #endif |
| 1158 | |
| 1159 if (!skip_read) | |
| 1160 { | |
| 1161 linerest = 0; | |
| 1162 filesize = 0; | |
| 1163 skip_count = lines_to_skip; | |
| 1164 read_count = lines_to_read; | |
| 1165 #ifdef FEAT_MBYTE | |
| 1166 conv_restlen = 0; | |
| 1167 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1168 #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
|
1169 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
|
1170 && 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
|
1171 && 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
|
1172 && !filtering |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1173 && !read_stdin |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1174 && !read_buffer); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1175 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
|
1176 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
|
1177 #endif |
| 7 | 1178 } |
| 1179 | |
| 1180 while (!error && !got_int) | |
| 1181 { | |
| 1182 /* | |
| 1183 * We allocate as much space for the file as we can get, plus | |
| 1184 * space for the old line plus room for one terminating NUL. | |
| 1185 * The amount is limited by the fact that read() only can read | |
| 1186 * upto max_unsigned characters (and other things). | |
| 1187 */ | |
| 1188 #if SIZEOF_INT <= 2 | |
| 1189 if (linerest >= 0x7ff0) | |
| 1190 { | |
| 1191 ++split; | |
| 1192 *ptr = NL; /* split line by inserting a NL */ | |
| 1193 size = 1; | |
| 1194 } | |
| 1195 else | |
| 1196 #endif | |
| 1197 { | |
| 1198 if (!skip_read) | |
| 1199 { | |
| 1200 #if SIZEOF_INT > 2 | |
| 1076 | 1201 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1202 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1203 # else | |
| 1204 size = 0x10000L; /* use buffer >= 64K */ | |
| 1205 # endif | |
| 1206 #else | |
| 1207 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1208 #endif | |
| 1209 | |
| 836 | 1210 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1211 { |
| 1212 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1213 FALSE)) != NULL) | |
| 1214 break; | |
| 1215 } | |
| 1216 if (new_buffer == NULL) | |
| 1217 { | |
| 1218 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1219 error = TRUE; | |
| 1220 break; | |
| 1221 } | |
| 1222 if (linerest) /* copy characters from the previous buffer */ | |
| 1223 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1224 vim_free(buffer); | |
| 1225 buffer = new_buffer; | |
| 1226 ptr = buffer + linerest; | |
| 1227 line_start = buffer; | |
| 1228 | |
| 1229 #ifdef FEAT_MBYTE | |
| 1230 /* May need room to translate into. | |
| 1231 * For iconv() we don't really know the required space, use a | |
| 1232 * factor ICONV_MULT. | |
| 1233 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1234 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1235 * become up to 4 bytes, size must be multiple of 2 | |
| 1236 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1237 * multiple of 2 | |
| 1238 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1239 * multiple of 4 */ | |
| 835 | 1240 real_size = (int)size; |
| 7 | 1241 # ifdef USE_ICONV |
| 1242 if (iconv_fd != (iconv_t)-1) | |
| 1243 size = size / ICONV_MULT; | |
| 1244 else | |
| 1245 # endif | |
| 1246 if (fio_flags & FIO_LATIN1) | |
| 1247 size = size / 2; | |
| 1248 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1249 size = (size * 2 / 3) & ~1; | |
| 1250 else if (fio_flags & FIO_UCS4) | |
| 1251 size = (size * 2 / 3) & ~3; | |
| 1252 else if (fio_flags == FIO_UCSBOM) | |
| 1253 size = size / ICONV_MULT; /* worst case */ | |
| 1254 # ifdef WIN3264 | |
| 1255 else if (fio_flags & FIO_CODEPAGE) | |
| 1256 size = size / ICONV_MULT; /* also worst case */ | |
| 1257 # endif | |
| 1258 # ifdef MACOS_X | |
| 1259 else if (fio_flags & FIO_MACROMAN) | |
| 1260 size = size / ICONV_MULT; /* also worst case */ | |
| 1261 # endif | |
| 1262 #endif | |
| 1263 | |
| 1264 #ifdef FEAT_MBYTE | |
| 1265 if (conv_restlen > 0) | |
| 1266 { | |
| 1267 /* Insert unconverted bytes from previous line. */ | |
| 1268 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1269 ptr += conv_restlen; | |
| 1270 size -= conv_restlen; | |
| 1271 } | |
| 1272 #endif | |
| 1273 | |
| 1274 if (read_buffer) | |
| 1275 { | |
| 1276 /* | |
| 1277 * Read bytes from curbuf. Used for converting text read | |
| 1278 * from stdin. | |
| 1279 */ | |
| 1280 if (read_buf_lnum > from) | |
| 1281 size = 0; | |
| 1282 else | |
| 1283 { | |
| 1284 int n, ni; | |
| 1285 long tlen; | |
| 1286 | |
| 1287 tlen = 0; | |
| 1288 for (;;) | |
| 1289 { | |
| 1290 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1291 n = (int)STRLEN(p); | |
| 1292 if ((int)tlen + n + 1 > size) | |
| 1293 { | |
| 1294 /* Filled up to "size", append partial line. | |
| 1295 * Change NL to NUL to reverse the effect done | |
| 1296 * below. */ | |
| 835 | 1297 n = (int)(size - tlen); |
| 7 | 1298 for (ni = 0; ni < n; ++ni) |
| 1299 { | |
| 1300 if (p[ni] == NL) | |
| 1301 ptr[tlen++] = NUL; | |
| 1302 else | |
| 1303 ptr[tlen++] = p[ni]; | |
| 1304 } | |
| 1305 read_buf_col += n; | |
| 1306 break; | |
| 1307 } | |
| 1308 else | |
| 1309 { | |
| 1310 /* Append whole line and new-line. Change NL | |
| 1311 * to NUL to reverse the effect done below. */ | |
| 1312 for (ni = 0; ni < n; ++ni) | |
| 1313 { | |
| 1314 if (p[ni] == NL) | |
| 1315 ptr[tlen++] = NUL; | |
| 1316 else | |
| 1317 ptr[tlen++] = p[ni]; | |
| 1318 } | |
| 1319 ptr[tlen++] = NL; | |
| 1320 read_buf_col = 0; | |
| 1321 if (++read_buf_lnum > from) | |
| 1322 { | |
| 1323 /* When the last line didn't have an | |
| 1324 * end-of-line don't add it now either. */ | |
| 1325 if (!curbuf->b_p_eol) | |
| 1326 --tlen; | |
| 1327 size = tlen; | |
| 1328 break; | |
| 1329 } | |
| 1330 } | |
| 1331 } | |
| 1332 } | |
| 1333 } | |
| 1334 else | |
| 1335 { | |
| 1336 /* | |
| 1337 * Read bytes from the file. | |
| 1338 */ | |
| 2664 | 1339 size = read_eintr(fd, ptr, size); |
| 7 | 1340 } |
| 1341 | |
| 1342 if (size <= 0) | |
| 1343 { | |
| 1344 if (size < 0) /* read error */ | |
| 1345 error = TRUE; | |
| 1346 #ifdef FEAT_MBYTE | |
| 1347 else if (conv_restlen > 0) | |
| 595 | 1348 { |
| 1597 | 1349 /* |
| 1350 * Reached end-of-file but some trailing bytes could | |
| 1351 * not be converted. Truncated file? | |
| 1352 */ | |
| 1353 | |
| 1354 /* When we did a conversion report an error. */ | |
| 1355 if (fio_flags != 0 | |
| 1356 # ifdef USE_ICONV | |
| 1357 || iconv_fd != (iconv_t)-1 | |
| 1358 # endif | |
| 1359 ) | |
| 1360 { | |
| 4331 | 1361 if (can_retry) |
| 1362 goto rewind_retry; | |
| 1597 | 1363 if (conv_error == 0) |
| 1364 conv_error = curbuf->b_ml.ml_line_count | |
| 1365 - linecnt + 1; | |
| 1366 } | |
| 1367 /* Remember the first linenr with an illegal byte */ | |
| 1368 else if (illegal_byte == 0) | |
| 1369 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1370 - linecnt + 1; | |
| 1371 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1372 { |
| 1597 | 1373 *(ptr - conv_restlen) = NUL; |
| 1374 conv_restlen = 0; | |
| 1375 } | |
| 1376 else | |
| 1377 { | |
| 1378 /* Replace the trailing bytes with the replacement | |
| 1379 * character if we were converting; if we weren't, | |
| 1380 * leave the UTF8 checking code to do it, as it | |
| 1381 * works slightly differently. */ | |
| 1382 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1383 # ifdef USE_ICONV | |
| 1384 || iconv_fd != (iconv_t)-1 | |
| 1385 # endif | |
| 1386 )) | |
| 1387 { | |
| 1388 while (conv_restlen > 0) | |
| 1389 { | |
| 1390 *(--ptr) = bad_char_behavior; | |
| 1391 --conv_restlen; | |
| 1392 } | |
| 1393 } | |
| 595 | 1394 fio_flags = 0; /* don't convert this */ |
| 834 | 1395 # ifdef USE_ICONV |
| 1396 if (iconv_fd != (iconv_t)-1) | |
| 1397 { | |
| 1398 iconv_close(iconv_fd); | |
| 1399 iconv_fd = (iconv_t)-1; | |
| 1400 } | |
| 1401 # endif | |
| 595 | 1402 } |
| 1403 } | |
| 7 | 1404 #endif |
| 1405 } | |
| 1406 | |
| 1407 #ifdef FEAT_CRYPT | |
| 1408 /* | |
| 1409 * At start of file: Check for magic number of encryption. | |
| 1410 */ | |
| 1411 if (filesize == 0) | |
| 1412 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
| 2267 | 1413 &filesize, newfile, sfname, |
| 1414 &did_ask_for_key); | |
| 7 | 1415 /* |
| 1416 * Decrypt the read bytes. | |
| 1417 */ | |
| 1418 if (cryptkey != NULL && size > 0) | |
| 2244 | 1419 crypt_decode(ptr, size); |
| 7 | 1420 #endif |
| 1421 } | |
| 1422 skip_read = FALSE; | |
| 1423 | |
| 1424 #ifdef FEAT_MBYTE | |
| 1425 /* | |
| 1426 * At start of file (or after crypt magic number): Check for BOM. | |
| 1427 * Also check for a BOM for other Unicode encodings, but not after | |
| 1428 * converting with 'charconvert' or when a BOM has already been | |
| 1429 * found. | |
| 1430 */ | |
| 1431 if ((filesize == 0 | |
| 1432 # 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
|
1433 || (filesize == (CRYPT_MAGIC_LEN |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
1434 + 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
|
1435 + 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
|
1436 && cryptkey != NULL) |
| 7 | 1437 # endif |
| 1438 ) | |
| 1439 && (fio_flags == FIO_UCSBOM | |
| 1440 || (!curbuf->b_p_bomb | |
| 1441 && tmpname == NULL | |
| 1442 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1443 { | |
| 1444 char_u *ccname; | |
| 1445 int blen; | |
| 1446 | |
| 1447 /* no BOM detection in a short file or in binary mode */ | |
| 1448 if (size < 2 || curbuf->b_p_bin) | |
| 1449 ccname = NULL; | |
| 1450 else | |
| 1451 ccname = check_for_bom(ptr, size, &blen, | |
| 1452 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1453 if (ccname != NULL) | |
| 1454 { | |
| 1455 /* Remove BOM from the text */ | |
| 1456 filesize += blen; | |
| 1457 size -= blen; | |
| 1458 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1459 if (set_options) |
| 1352 | 1460 { |
| 7 | 1461 curbuf->b_p_bomb = TRUE; |
| 1352 | 1462 curbuf->b_start_bomb = TRUE; |
| 1463 } | |
| 7 | 1464 } |
| 1465 | |
| 1466 if (fio_flags == FIO_UCSBOM) | |
| 1467 { | |
| 1468 if (ccname == NULL) | |
| 1469 { | |
| 1470 /* No BOM detected: retry with next encoding. */ | |
| 1471 advance_fenc = TRUE; | |
| 1472 } | |
| 1473 else | |
| 1474 { | |
| 1475 /* BOM detected: set "fenc" and jump back */ | |
| 1476 if (fenc_alloced) | |
| 1477 vim_free(fenc); | |
| 1478 fenc = ccname; | |
| 1479 fenc_alloced = FALSE; | |
| 1480 } | |
| 1481 /* retry reading without getting new bytes or rewinding */ | |
| 1482 skip_read = TRUE; | |
| 1483 goto retry; | |
| 1484 } | |
| 1485 } | |
| 1597 | 1486 |
| 1487 /* Include not converted bytes. */ | |
| 1488 ptr -= conv_restlen; | |
| 1489 size += conv_restlen; | |
| 1490 conv_restlen = 0; | |
| 7 | 1491 #endif |
| 1492 /* | |
| 1493 * Break here for a read error or end-of-file. | |
| 1494 */ | |
| 1495 if (size <= 0) | |
| 1496 break; | |
| 1497 | |
| 1498 #ifdef FEAT_MBYTE | |
| 1499 | |
| 1500 # ifdef USE_ICONV | |
| 1501 if (iconv_fd != (iconv_t)-1) | |
| 1502 { | |
| 1503 /* | |
| 1504 * Attempt conversion of the read bytes to 'encoding' using | |
| 1505 * iconv(). | |
| 1506 */ | |
| 1507 const char *fromp; | |
| 1508 char *top; | |
| 1509 size_t from_size; | |
| 1510 size_t to_size; | |
| 1511 | |
| 1512 fromp = (char *)ptr; | |
| 1513 from_size = size; | |
| 1514 ptr += size; | |
| 1515 top = (char *)ptr; | |
| 1516 to_size = real_size - size; | |
| 1517 | |
| 1518 /* | |
| 1519 * If there is conversion error or not enough room try using | |
| 179 | 1520 * another conversion. Except for when there is no |
| 1521 * alternative (help files). | |
| 7 | 1522 */ |
| 177 | 1523 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1524 &top, &to_size) | |
| 7 | 1525 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1526 || from_size > CONV_RESTLEN) | |
| 177 | 1527 { |
| 595 | 1528 if (can_retry) |
| 375 | 1529 goto rewind_retry; |
| 595 | 1530 if (conv_error == 0) |
| 1531 conv_error = readfile_linenr(linecnt, | |
| 1532 ptr, (char_u *)top); | |
| 1533 | |
| 1534 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1535 ++fromp; |
| 1536 --from_size; | |
| 595 | 1537 if (bad_char_behavior == BAD_KEEP) |
| 1538 { | |
| 1539 *top++ = *(fromp - 1); | |
| 1540 --to_size; | |
| 1541 } | |
| 1542 else if (bad_char_behavior != BAD_DROP) | |
| 1543 { | |
| 1544 *top++ = bad_char_behavior; | |
| 1545 --to_size; | |
| 1546 } | |
| 177 | 1547 } |
| 7 | 1548 |
| 1549 if (from_size > 0) | |
| 1550 { | |
| 1551 /* Some remaining characters, keep them for the next | |
| 1552 * round. */ | |
| 1553 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1554 conv_restlen = (int)from_size; | |
| 1555 } | |
| 1556 | |
| 1557 /* move the linerest to before the converted characters */ | |
| 1558 line_start = ptr - linerest; | |
| 1559 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1560 size = (long)((char_u *)top - ptr); | |
| 1561 } | |
| 1562 # endif | |
| 1563 | |
| 1564 # ifdef WIN3264 | |
| 1565 if (fio_flags & FIO_CODEPAGE) | |
| 1566 { | |
| 595 | 1567 char_u *src, *dst; |
| 1568 WCHAR ucs2buf[3]; | |
| 1569 int ucs2len; | |
| 1570 int codepage = FIO_GET_CP(fio_flags); | |
| 1571 int bytelen; | |
| 1572 int found_bad; | |
| 1573 char replstr[2]; | |
| 1574 | |
| 7 | 1575 /* |
| 1576 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1577 * a codepage, using standard MS-Windows functions. This |
| 1578 * requires two steps: | |
| 1579 * 1. convert from 'fileencoding' to ucs-2 | |
| 1580 * 2. convert from ucs-2 to 'encoding' | |
| 1581 * | |
| 1582 * Because there may be illegal bytes AND an incomplete byte | |
| 1583 * sequence at the end, we may have to do the conversion one | |
| 1584 * character at a time to get it right. | |
| 7 | 1585 */ |
| 595 | 1586 |
| 1587 /* Replacement string for WideCharToMultiByte(). */ | |
| 1588 if (bad_char_behavior > 0) | |
| 1589 replstr[0] = bad_char_behavior; | |
| 1590 else | |
| 1591 replstr[0] = '?'; | |
| 1592 replstr[1] = NUL; | |
| 1593 | |
| 1594 /* | |
| 1595 * Move the bytes to the end of the buffer, so that we have | |
| 1596 * room to put the result at the start. | |
| 1597 */ | |
| 1598 src = ptr + real_size - size; | |
| 1599 mch_memmove(src, ptr, size); | |
| 7 | 1600 |
| 1601 /* | |
| 595 | 1602 * Do the conversion. |
| 7 | 1603 */ |
| 595 | 1604 dst = ptr; |
| 1605 size = size; | |
| 1606 while (size > 0) | |
| 7 | 1607 { |
| 595 | 1608 found_bad = FALSE; |
| 7 | 1609 |
| 1610 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1611 if (codepage == CP_UTF8) |
| 7 | 1612 { |
| 595 | 1613 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1614 * trailing bytes properly. | |
| 1615 * Get one UTF-8 character from src. */ | |
| 835 | 1616 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1617 if (bytelen > size) |
| 1618 { | |
| 1619 /* Only got some bytes of a character. Normally | |
| 1620 * it's put in "conv_rest", but if it's too long | |
| 1621 * deal with it as if they were illegal bytes. */ | |
| 1622 if (bytelen <= CONV_RESTLEN) | |
| 1623 break; | |
| 1624 | |
| 1625 /* weird overlong byte sequence */ | |
| 1626 bytelen = size; | |
| 1627 found_bad = TRUE; | |
| 1628 } | |
| 1629 else | |
| 1630 { | |
| 799 | 1631 int u8c = utf_ptr2char(src); |
| 1632 | |
| 622 | 1633 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1634 found_bad = TRUE; |
| 1635 ucs2buf[0] = u8c; | |
| 1636 ucs2len = 1; | |
| 1637 } | |
| 7 | 1638 } |
| 595 | 1639 else |
| 7 | 1640 # endif |
| 595 | 1641 { |
| 1642 /* We don't know how long the byte sequence is, try | |
| 1643 * from one to three bytes. */ | |
| 1644 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1645 ++bytelen) | |
| 1646 { | |
| 1647 ucs2len = MultiByteToWideChar(codepage, | |
| 1648 MB_ERR_INVALID_CHARS, | |
| 1649 (LPCSTR)src, bytelen, | |
| 1650 ucs2buf, 3); | |
| 1651 if (ucs2len > 0) | |
| 1652 break; | |
| 1653 } | |
| 1654 if (ucs2len == 0) | |
| 1655 { | |
| 1656 /* If we have only one byte then it's probably an | |
| 1657 * incomplete byte sequence. Otherwise discard | |
| 1658 * one byte as a bad character. */ | |
| 1659 if (size == 1) | |
| 1660 break; | |
| 1661 found_bad = TRUE; | |
| 1662 bytelen = 1; | |
| 1663 } | |
| 1664 } | |
| 1665 | |
| 1666 if (!found_bad) | |
| 7 | 1667 { |
| 595 | 1668 int i; |
| 1669 | |
| 1670 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1671 if (enc_utf8) | |
| 1672 { | |
| 1673 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1674 for (i = 0; i < ucs2len; ++i) | |
| 1675 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1676 } | |
| 1677 else | |
| 1678 { | |
| 1679 BOOL bad = FALSE; | |
| 1680 int dstlen; | |
| 1681 | |
| 1682 /* From UCS-2 to "enc_codepage". If the | |
| 1683 * conversion uses the default character "?", | |
| 1684 * the data doesn't fit in this encoding. */ | |
| 1685 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1686 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1687 (LPSTR)dst, (int)(src - dst), |
| 595 | 1688 replstr, &bad); |
| 1689 if (bad) | |
| 1690 found_bad = TRUE; | |
| 1691 else | |
| 1692 dst += dstlen; | |
| 1693 } | |
| 7 | 1694 } |
| 595 | 1695 |
| 1696 if (found_bad) | |
| 1697 { | |
| 1698 /* Deal with bytes we can't convert. */ | |
| 1699 if (can_retry) | |
| 1700 goto rewind_retry; | |
| 1701 if (conv_error == 0) | |
| 1702 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1703 if (bad_char_behavior != BAD_DROP) | |
| 1704 { | |
| 1705 if (bad_char_behavior == BAD_KEEP) | |
| 1706 { | |
| 1707 mch_memmove(dst, src, bytelen); | |
| 1708 dst += bytelen; | |
| 1709 } | |
| 1710 else | |
| 1711 *dst++ = bad_char_behavior; | |
| 1712 } | |
| 1713 } | |
| 1714 | |
| 1715 src += bytelen; | |
| 1716 size -= bytelen; | |
| 7 | 1717 } |
| 595 | 1718 |
| 1719 if (size > 0) | |
| 7 | 1720 { |
| 595 | 1721 /* An incomplete byte sequence remaining. */ |
| 1722 mch_memmove(conv_rest, src, size); | |
| 1723 conv_restlen = size; | |
| 7 | 1724 } |
| 595 | 1725 |
| 1726 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1727 size = (long)(dst - ptr); |
| 7 | 1728 } |
| 1729 else | |
| 1730 # endif | |
| 765 | 1731 # ifdef MACOS_CONVERT |
| 7 | 1732 if (fio_flags & FIO_MACROMAN) |
| 1733 { | |
| 1734 /* | |
| 1735 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1736 * latin1. This is in os_mac_conv.c. |
| 7 | 1737 */ |
| 18 | 1738 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1739 goto rewind_retry; |
| 1740 } | |
| 1741 else | |
| 1742 # endif | |
| 1743 if (fio_flags != 0) | |
| 1744 { | |
| 1745 int u8c; | |
| 1746 char_u *dest; | |
| 1747 char_u *tail = NULL; | |
| 1748 | |
| 1749 /* | |
| 1750 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1751 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1752 * Go from end to start through the buffer, because the number | |
| 1753 * of bytes may increase. | |
| 1754 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1755 * to after the next character to convert. | |
| 1756 */ | |
| 1757 dest = ptr + real_size; | |
| 1758 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1759 { | |
| 1760 p = ptr + size; | |
| 1761 if (fio_flags == FIO_UTF8) | |
| 1762 { | |
| 1763 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1764 tail = ptr + size - 1; | |
| 1765 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1766 --tail; | |
| 1767 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1768 tail = NULL; | |
| 1769 else | |
| 1770 p = tail; | |
| 1771 } | |
| 1772 } | |
| 1773 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1774 { | |
| 1775 /* Check for a trailing byte */ | |
| 1776 p = ptr + (size & ~1); | |
| 1777 if (size & 1) | |
| 1778 tail = p; | |
| 1779 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1780 { | |
| 1781 /* Check for a trailing leading word */ | |
| 1782 if (fio_flags & FIO_ENDIAN_L) | |
| 1783 { | |
| 1784 u8c = (*--p << 8); | |
| 1785 u8c += *--p; | |
| 1786 } | |
| 1787 else | |
| 1788 { | |
| 1789 u8c = *--p; | |
| 1790 u8c += (*--p << 8); | |
| 1791 } | |
| 1792 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1793 tail = p; | |
| 1794 else | |
| 1795 p += 2; | |
| 1796 } | |
| 1797 } | |
| 1798 else /* FIO_UCS4 */ | |
| 1799 { | |
| 1800 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1801 p = ptr + (size & ~3); | |
| 1802 if (size & 3) | |
| 1803 tail = p; | |
| 1804 } | |
| 1805 | |
| 1806 /* If there is a trailing incomplete sequence move it to | |
| 1807 * conv_rest[]. */ | |
| 1808 if (tail != NULL) | |
| 1809 { | |
| 1810 conv_restlen = (int)((ptr + size) - tail); | |
| 1811 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1812 size -= conv_restlen; | |
| 1813 } | |
| 1814 | |
| 1815 | |
| 1816 while (p > ptr) | |
| 1817 { | |
| 1818 if (fio_flags & FIO_LATIN1) | |
| 1819 u8c = *--p; | |
| 1820 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1821 { | |
| 1822 if (fio_flags & FIO_ENDIAN_L) | |
| 1823 { | |
| 1824 u8c = (*--p << 8); | |
| 1825 u8c += *--p; | |
| 1826 } | |
| 1827 else | |
| 1828 { | |
| 1829 u8c = *--p; | |
| 1830 u8c += (*--p << 8); | |
| 1831 } | |
| 1832 if ((fio_flags & FIO_UTF16) | |
| 1833 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1834 { | |
| 1835 int u16c; | |
| 1836 | |
| 1837 if (p == ptr) | |
| 1838 { | |
| 1839 /* Missing leading word. */ | |
| 1840 if (can_retry) | |
| 1841 goto rewind_retry; | |
| 595 | 1842 if (conv_error == 0) |
| 1843 conv_error = readfile_linenr(linecnt, | |
| 1844 ptr, p); | |
| 1845 if (bad_char_behavior == BAD_DROP) | |
| 1846 continue; | |
| 1847 if (bad_char_behavior != BAD_KEEP) | |
| 1848 u8c = bad_char_behavior; | |
| 7 | 1849 } |
| 1850 | |
| 1851 /* found second word of double-word, get the first | |
| 1852 * word and compute the resulting character */ | |
| 1853 if (fio_flags & FIO_ENDIAN_L) | |
| 1854 { | |
| 1855 u16c = (*--p << 8); | |
| 1856 u16c += *--p; | |
| 1857 } | |
| 1858 else | |
| 1859 { | |
| 1860 u16c = *--p; | |
| 1861 u16c += (*--p << 8); | |
| 1862 } | |
| 595 | 1863 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1864 + (u8c & 0x3ff); | |
| 1865 | |
| 7 | 1866 /* Check if the word is indeed a leading word. */ |
| 1867 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1868 { | |
| 1869 if (can_retry) | |
| 1870 goto rewind_retry; | |
| 595 | 1871 if (conv_error == 0) |
| 1872 conv_error = readfile_linenr(linecnt, | |
| 1873 ptr, p); | |
| 1874 if (bad_char_behavior == BAD_DROP) | |
| 1875 continue; | |
| 1876 if (bad_char_behavior != BAD_KEEP) | |
| 1877 u8c = bad_char_behavior; | |
| 7 | 1878 } |
| 1879 } | |
| 1880 } | |
| 1881 else if (fio_flags & FIO_UCS4) | |
| 1882 { | |
| 1883 if (fio_flags & FIO_ENDIAN_L) | |
| 1884 { | |
| 1885 u8c = (*--p << 24); | |
| 1886 u8c += (*--p << 16); | |
| 1887 u8c += (*--p << 8); | |
| 1888 u8c += *--p; | |
| 1889 } | |
| 1890 else /* big endian */ | |
| 1891 { | |
| 1892 u8c = *--p; | |
| 1893 u8c += (*--p << 8); | |
| 1894 u8c += (*--p << 16); | |
| 1895 u8c += (*--p << 24); | |
| 1896 } | |
| 1897 } | |
| 1898 else /* UTF-8 */ | |
| 1899 { | |
| 1900 if (*--p < 0x80) | |
| 1901 u8c = *p; | |
| 1902 else | |
| 1903 { | |
| 1904 len = utf_head_off(ptr, p); | |
| 595 | 1905 p -= len; |
| 1906 u8c = utf_ptr2char(p); | |
| 7 | 1907 if (len == 0) |
| 1908 { | |
| 1909 /* Not a valid UTF-8 character, retry with | |
| 1910 * another fenc when possible, otherwise just | |
| 1911 * report the error. */ | |
| 1912 if (can_retry) | |
| 1913 goto rewind_retry; | |
| 595 | 1914 if (conv_error == 0) |
| 1915 conv_error = readfile_linenr(linecnt, | |
| 1916 ptr, p); | |
| 1917 if (bad_char_behavior == BAD_DROP) | |
| 1918 continue; | |
| 1919 if (bad_char_behavior != BAD_KEEP) | |
| 1920 u8c = bad_char_behavior; | |
| 7 | 1921 } |
| 1922 } | |
| 1923 } | |
| 1924 if (enc_utf8) /* produce UTF-8 */ | |
| 1925 { | |
| 1926 dest -= utf_char2len(u8c); | |
| 1927 (void)utf_char2bytes(u8c, dest); | |
| 1928 } | |
| 1929 else /* produce Latin1 */ | |
| 1930 { | |
| 1931 --dest; | |
| 1932 if (u8c >= 0x100) | |
| 1933 { | |
| 1934 /* character doesn't fit in latin1, retry with | |
| 1935 * another fenc when possible, otherwise just | |
| 1936 * report the error. */ | |
| 595 | 1937 if (can_retry) |
| 7 | 1938 goto rewind_retry; |
| 595 | 1939 if (conv_error == 0) |
| 1940 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1941 if (bad_char_behavior == BAD_DROP) | |
| 1942 ++dest; | |
| 1943 else if (bad_char_behavior == BAD_KEEP) | |
| 1944 *dest = u8c; | |
| 1945 else if (eap != NULL && eap->bad_char != 0) | |
| 1946 *dest = bad_char_behavior; | |
| 1947 else | |
| 1948 *dest = 0xBF; | |
| 7 | 1949 } |
| 1950 else | |
| 1951 *dest = u8c; | |
| 1952 } | |
| 1953 } | |
| 1954 | |
| 1955 /* move the linerest to before the converted characters */ | |
| 1956 line_start = dest - linerest; | |
| 1957 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1958 size = (long)((ptr + real_size) - dest); | |
| 1959 ptr = dest; | |
| 1960 } | |
| 1597 | 1961 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1962 { | |
| 1963 int incomplete_tail = FALSE; | |
| 1964 | |
| 1965 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1966 for (p = ptr; ; ++p) | |
| 7 | 1967 { |
| 835 | 1968 int todo = (int)((ptr + size) - p); |
| 595 | 1969 int l; |
| 1970 | |
| 1971 if (todo <= 0) | |
| 1972 break; | |
| 7 | 1973 if (*p >= 0x80) |
| 1974 { | |
| 1975 /* A length of 1 means it's an illegal byte. Accept | |
| 1976 * an incomplete character at the end though, the next | |
| 1977 * read() will get the next bytes, we'll check it | |
| 1978 * then. */ | |
| 595 | 1979 l = utf_ptr2len_len(p, todo); |
| 1597 | 1980 if (l > todo && !incomplete_tail) |
| 7 | 1981 { |
| 1597 | 1982 /* Avoid retrying with a different encoding when |
| 1983 * a truncated file is more likely, or attempting | |
| 1984 * to read the rest of an incomplete sequence when | |
| 1985 * we have already done so. */ | |
| 1986 if (p > ptr || filesize > 0) | |
| 1987 incomplete_tail = TRUE; | |
| 1988 /* Incomplete byte sequence, move it to conv_rest[] | |
| 1989 * and try to read the rest of it, unless we've | |
| 1990 * already done so. */ | |
| 1991 if (p > ptr) | |
| 1992 { | |
| 1993 conv_restlen = todo; | |
| 1994 mch_memmove(conv_rest, p, conv_restlen); | |
| 1995 size -= conv_restlen; | |
| 1996 break; | |
| 1997 } | |
| 7 | 1998 } |
| 1597 | 1999 if (l == 1 || l > todo) |
| 595 | 2000 { |
| 2001 /* Illegal byte. If we can try another encoding | |
| 1597 | 2002 * do that, unless at EOF where a truncated |
| 2003 * file is more likely than a conversion error. */ | |
| 2004 if (can_retry && !incomplete_tail) | |
| 595 | 2005 break; |
| 2006 # ifdef USE_ICONV | |
| 2007 /* When we did a conversion report an error. */ | |
| 2008 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2009 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2010 # endif | |
| 1597 | 2011 /* Remember the first linenr with an illegal byte */ |
| 2012 if (conv_error == 0 && illegal_byte == 0) | |
| 2013 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2014 |
| 2015 /* Drop, keep or replace the bad byte. */ | |
| 2016 if (bad_char_behavior == BAD_DROP) | |
| 2017 { | |
| 1597 | 2018 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2019 --p; |
| 2020 --size; | |
| 2021 } | |
| 2022 else if (bad_char_behavior != BAD_KEEP) | |
| 2023 *p = bad_char_behavior; | |
| 2024 } | |
| 1597 | 2025 else |
| 2026 p += l - 1; | |
| 7 | 2027 } |
| 2028 } | |
| 1597 | 2029 if (p < ptr + size && !incomplete_tail) |
| 7 | 2030 { |
| 2031 /* Detected a UTF-8 error. */ | |
| 2032 rewind_retry: | |
| 595 | 2033 /* Retry reading with another conversion. */ |
| 7 | 2034 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2035 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2036 /* iconv() failed, try 'charconvert' */ | |
| 2037 did_iconv = TRUE; | |
| 7 | 2038 else |
| 2039 # endif | |
| 595 | 2040 /* use next item from 'fileencodings' */ |
| 2041 advance_fenc = TRUE; | |
| 2042 file_rewind = TRUE; | |
| 2043 goto retry; | |
| 7 | 2044 } |
| 2045 } | |
| 2046 #endif | |
| 2047 | |
| 2048 /* count the number of characters (after conversion!) */ | |
| 2049 filesize += size; | |
| 2050 | |
| 2051 /* | |
| 2052 * when reading the first part of a file: guess EOL type | |
| 2053 */ | |
| 2054 if (fileformat == EOL_UNKNOWN) | |
| 2055 { | |
| 2056 /* First try finding a NL, for Dos and Unix */ | |
| 2057 if (try_dos || try_unix) | |
| 2058 { | |
| 2059 for (p = ptr; p < ptr + size; ++p) | |
| 2060 { | |
| 2061 if (*p == NL) | |
| 2062 { | |
| 2063 if (!try_unix | |
| 2064 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2065 fileformat = EOL_DOS; | |
| 2066 else | |
| 2067 fileformat = EOL_UNIX; | |
| 2068 break; | |
| 2069 } | |
| 2070 } | |
| 2071 | |
| 2072 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2073 if (fileformat == EOL_UNIX && try_mac) | |
| 2074 { | |
| 2075 /* Need to reset the counters when retrying fenc. */ | |
| 2076 try_mac = 1; | |
| 2077 try_unix = 1; | |
| 2078 for (; p >= ptr && *p != CAR; p--) | |
| 2079 ; | |
| 2080 if (p >= ptr) | |
| 2081 { | |
| 2082 for (p = ptr; p < ptr + size; ++p) | |
| 2083 { | |
| 2084 if (*p == NL) | |
| 2085 try_unix++; | |
| 2086 else if (*p == CAR) | |
| 2087 try_mac++; | |
| 2088 } | |
| 2089 if (try_mac > try_unix) | |
| 2090 fileformat = EOL_MAC; | |
| 2091 } | |
| 2092 } | |
| 2093 } | |
| 2094 | |
| 2095 /* No NL found: may use Mac format */ | |
| 2096 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2097 fileformat = EOL_MAC; | |
| 2098 | |
| 2099 /* Still nothing found? Use first format in 'ffs' */ | |
| 2100 if (fileformat == EOL_UNKNOWN) | |
| 2101 fileformat = default_fileformat(); | |
| 2102 | |
| 2103 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2104 if (set_options) |
| 7 | 2105 set_fileformat(fileformat, OPT_LOCAL); |
| 2106 } | |
| 2107 } | |
| 2108 | |
| 2109 /* | |
| 2110 * This loop is executed once for every character read. | |
| 2111 * Keep it fast! | |
| 2112 */ | |
| 2113 if (fileformat == EOL_MAC) | |
| 2114 { | |
| 2115 --ptr; | |
| 2116 while (++ptr, --size >= 0) | |
| 2117 { | |
| 2118 /* catch most common case first */ | |
| 2119 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2120 continue; | |
| 2121 if (c == NUL) | |
| 2122 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2123 else if (c == NL) | |
| 2124 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2125 else | |
| 2126 { | |
| 2127 if (skip_count == 0) | |
| 2128 { | |
| 2129 *ptr = NUL; /* end of line */ | |
| 2130 len = (colnr_T) (ptr - line_start + 1); | |
| 2131 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2132 { | |
| 2133 error = TRUE; | |
| 2134 break; | |
| 2135 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2136 #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
|
2137 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
|
2138 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
|
2139 #endif |
| 7 | 2140 ++lnum; |
| 2141 if (--read_count == 0) | |
| 2142 { | |
| 2143 error = TRUE; /* break loop */ | |
| 2144 line_start = ptr; /* nothing left to write */ | |
| 2145 break; | |
| 2146 } | |
| 2147 } | |
| 2148 else | |
| 2149 --skip_count; | |
| 2150 line_start = ptr + 1; | |
| 2151 } | |
| 2152 } | |
| 2153 } | |
| 2154 else | |
| 2155 { | |
| 2156 --ptr; | |
| 2157 while (++ptr, --size >= 0) | |
| 2158 { | |
| 2159 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2160 continue; | |
| 2161 if (c == NUL) | |
| 2162 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2163 else | |
| 2164 { | |
| 2165 if (skip_count == 0) | |
| 2166 { | |
| 2167 *ptr = NUL; /* end of line */ | |
| 2168 len = (colnr_T)(ptr - line_start + 1); | |
| 2169 if (fileformat == EOL_DOS) | |
| 2170 { | |
| 2171 if (ptr[-1] == CAR) /* remove CR */ | |
| 2172 { | |
| 2173 ptr[-1] = NUL; | |
| 2174 --len; | |
| 2175 } | |
| 2176 /* | |
| 2177 * Reading in Dos format, but no CR-LF found! | |
| 2178 * When 'fileformats' includes "unix", delete all | |
| 2179 * the lines read so far and start all over again. | |
| 2180 * Otherwise give an error message later. | |
| 2181 */ | |
| 2182 else if (ff_error != EOL_DOS) | |
| 2183 { | |
| 2184 if ( try_unix | |
| 2185 && !read_stdin | |
| 2186 && (read_buffer | |
| 2187 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2188 { | |
| 2189 fileformat = EOL_UNIX; | |
| 819 | 2190 if (set_options) |
| 7 | 2191 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2192 file_rewind = TRUE; | |
| 2193 keep_fileformat = TRUE; | |
| 2194 goto retry; | |
| 2195 } | |
| 2196 ff_error = EOL_DOS; | |
| 2197 } | |
| 2198 } | |
| 2199 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2200 { | |
| 2201 error = TRUE; | |
| 2202 break; | |
| 2203 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2204 #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
|
2205 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
|
2206 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
|
2207 #endif |
| 7 | 2208 ++lnum; |
| 2209 if (--read_count == 0) | |
| 2210 { | |
| 2211 error = TRUE; /* break loop */ | |
| 2212 line_start = ptr; /* nothing left to write */ | |
| 2213 break; | |
| 2214 } | |
| 2215 } | |
| 2216 else | |
| 2217 --skip_count; | |
| 2218 line_start = ptr + 1; | |
| 2219 } | |
| 2220 } | |
| 2221 } | |
| 2222 linerest = (long)(ptr - line_start); | |
| 2223 ui_breakcheck(); | |
| 2224 } | |
| 2225 | |
| 2226 failed: | |
| 2227 /* not an error, max. number of lines reached */ | |
| 2228 if (error && read_count == 0) | |
| 2229 error = FALSE; | |
| 2230 | |
| 2231 /* | |
| 2232 * If we get EOF in the middle of a line, note the fact and | |
| 2233 * complete the line ourselves. | |
| 2234 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2235 */ | |
| 2236 if (!error | |
| 2237 && !got_int | |
| 2238 && linerest != 0 | |
| 2239 && !(!curbuf->b_p_bin | |
| 2240 && fileformat == EOL_DOS | |
| 2241 && *line_start == Ctrl_Z | |
| 2242 && ptr == line_start + 1)) | |
| 2243 { | |
| 819 | 2244 /* remember for when writing */ |
| 2245 if (set_options) | |
| 7 | 2246 curbuf->b_p_eol = FALSE; |
| 2247 *ptr = NUL; | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2248 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
|
2249 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
| 7 | 2250 error = TRUE; |
| 2251 else | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2252 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2253 #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
|
2254 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
|
2255 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
|
2256 #endif |
| 7 | 2257 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
|
2258 } |
| 7 | 2259 } |
| 2260 | |
| 819 | 2261 if (set_options) |
| 7 | 2262 save_file_ff(curbuf); /* remember the current file format */ |
| 2263 | |
| 2264 #ifdef FEAT_CRYPT | |
| 2717 | 2265 crypt_method_used = use_crypt_method; |
| 2267 | 2266 if (cryptkey != NULL) |
| 2267 { | |
| 2268 crypt_pop_state(); | |
| 2269 if (cryptkey != curbuf->b_p_key) | |
| 2270 free_crypt_key(cryptkey); | |
| 2271 /* don't set cryptkey to NULL, it's used below as a flag that | |
| 2272 * encryption was used */ | |
| 2273 } | |
| 7 | 2274 #endif |
| 2275 | |
| 2276 #ifdef FEAT_MBYTE | |
| 819 | 2277 /* If editing a new file: set 'fenc' for the current buffer. |
| 2278 * Also for ":read ++edit file". */ | |
| 2279 if (set_options) | |
| 7 | 2280 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2281 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2282 if (fenc_alloced) |
| 2283 vim_free(fenc); | |
| 2284 # ifdef USE_ICONV | |
| 2285 if (iconv_fd != (iconv_t)-1) | |
| 2286 { | |
| 2287 iconv_close(iconv_fd); | |
| 2288 iconv_fd = (iconv_t)-1; | |
| 2289 } | |
| 2290 # endif | |
| 2291 #endif | |
| 2292 | |
| 2293 if (!read_buffer && !read_stdin) | |
| 2294 close(fd); /* errors are ignored */ | |
| 2003 | 2295 #ifdef HAVE_FD_CLOEXEC |
| 2296 else | |
| 2297 { | |
| 2298 int fdflags = fcntl(fd, F_GETFD); | |
| 2299 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2300 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2301 } | |
| 2302 #endif | |
| 7 | 2303 vim_free(buffer); |
| 2304 | |
| 2305 #ifdef HAVE_DUP | |
| 2306 if (read_stdin) | |
| 2307 { | |
| 2308 /* Use stderr for stdin, makes shell commands work. */ | |
| 2309 close(0); | |
| 1757 | 2310 ignored = dup(2); |
| 7 | 2311 } |
| 2312 #endif | |
| 2313 | |
| 2314 #ifdef FEAT_MBYTE | |
| 2315 if (tmpname != NULL) | |
| 2316 { | |
| 2317 mch_remove(tmpname); /* delete converted file */ | |
| 2318 vim_free(tmpname); | |
| 2319 } | |
| 2320 #endif | |
| 2321 --no_wait_return; /* may wait for return now */ | |
| 2322 | |
| 2323 /* | |
| 2324 * In recovery mode everything but autocommands is skipped. | |
| 2325 */ | |
| 2326 if (!recoverymode) | |
| 2327 { | |
| 2328 /* need to delete the last line, which comes from the empty buffer */ | |
| 2329 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2330 { | |
| 2331 #ifdef FEAT_NETBEANS_INTG | |
| 2332 netbeansFireChanges = 0; | |
| 2333 #endif | |
| 2334 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2335 #ifdef FEAT_NETBEANS_INTG | |
| 2336 netbeansFireChanges = 1; | |
| 2337 #endif | |
| 2338 --linecnt; | |
| 2339 } | |
| 2340 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2341 if (filesize == 0) | |
| 2342 linecnt = 0; | |
| 2343 if (newfile || read_buffer) | |
| 1201 | 2344 { |
| 7 | 2345 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2346 #ifdef FEAT_DIFF |
| 2347 /* After reading the text into the buffer the diff info needs to | |
| 2348 * be updated. */ | |
| 2349 diff_invalidate(curbuf); | |
| 2350 #endif | |
| 2351 #ifdef FEAT_FOLDING | |
| 2352 /* All folds in the window are invalid now. Mark them for update | |
| 2353 * before triggering autocommands. */ | |
| 2354 foldUpdateAll(curwin); | |
| 2355 #endif | |
| 2356 } | |
| 7 | 2357 else if (linecnt) /* appended at least one line */ |
| 2358 appended_lines_mark(from, linecnt); | |
| 2359 | |
| 2360 #ifndef ALWAYS_USE_GUI | |
| 2361 /* | |
| 2362 * If we were reading from the same terminal as where messages go, | |
| 2363 * the screen will have been messed up. | |
| 2364 * Switch on raw mode now and clear the screen. | |
| 2365 */ | |
| 2366 if (read_stdin) | |
| 2367 { | |
| 2368 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2369 starttermcap(); | |
| 2370 screenclear(); | |
| 2371 } | |
| 2372 #endif | |
| 2373 | |
| 2374 if (got_int) | |
| 2375 { | |
| 2376 if (!(flags & READ_DUMMY)) | |
| 2377 { | |
| 2378 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2379 if (newfile) | |
| 2380 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2381 } | |
| 2382 msg_scroll = msg_save; | |
| 2383 #ifdef FEAT_VIMINFO | |
| 2384 check_marks_read(); | |
| 2385 #endif | |
| 2386 return OK; /* an interrupt isn't really an error */ | |
| 2387 } | |
| 2388 | |
| 2389 if (!filtering && !(flags & READ_DUMMY)) | |
| 2390 { | |
| 2391 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2392 c = FALSE; | |
| 2393 | |
| 2394 #ifdef UNIX | |
| 2395 # ifdef S_ISFIFO | |
| 2396 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2397 { | |
| 2398 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2399 c = TRUE; | |
| 2400 } | |
| 2401 # else | |
| 2402 # ifdef S_IFIFO | |
| 2403 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2404 { | |
| 2405 STRCAT(IObuff, _("[fifo]")); | |
| 2406 c = TRUE; | |
| 2407 } | |
| 2408 # endif | |
| 2409 # ifdef S_IFSOCK | |
| 2410 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2411 { | |
| 2412 STRCAT(IObuff, _("[socket]")); | |
| 2413 c = TRUE; | |
| 2414 } | |
| 2415 # endif | |
| 2416 # endif | |
| 1313 | 2417 # ifdef OPEN_CHR_FILES |
| 2418 if (S_ISCHR(perm)) /* or character special */ | |
| 2419 { | |
| 2420 STRCAT(IObuff, _("[character special]")); | |
| 2421 c = TRUE; | |
| 2422 } | |
| 2423 # endif | |
| 7 | 2424 #endif |
| 2425 if (curbuf->b_p_ro) | |
| 2426 { | |
| 2427 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2428 c = TRUE; | |
| 2429 } | |
| 2430 if (read_no_eol_lnum) | |
| 2431 { | |
| 2432 msg_add_eol(); | |
| 2433 c = TRUE; | |
| 2434 } | |
| 2435 if (ff_error == EOL_DOS) | |
| 2436 { | |
| 2437 STRCAT(IObuff, _("[CR missing]")); | |
| 2438 c = TRUE; | |
| 2439 } | |
| 2440 if (split) | |
| 2441 { | |
| 2442 STRCAT(IObuff, _("[long lines split]")); | |
| 2443 c = TRUE; | |
| 2444 } | |
| 2445 #ifdef FEAT_MBYTE | |
| 2446 if (notconverted) | |
| 2447 { | |
| 2448 STRCAT(IObuff, _("[NOT converted]")); | |
| 2449 c = TRUE; | |
| 2450 } | |
| 2451 else if (converted) | |
| 2452 { | |
| 2453 STRCAT(IObuff, _("[converted]")); | |
| 2454 c = TRUE; | |
| 2455 } | |
| 2456 #endif | |
| 2457 #ifdef FEAT_CRYPT | |
| 2458 if (cryptkey != NULL) | |
| 2459 { | |
| 2717 | 2460 if (crypt_method_used == 1) |
| 2461 STRCAT(IObuff, _("[blowfish]")); | |
| 2462 else | |
| 2463 STRCAT(IObuff, _("[crypted]")); | |
| 7 | 2464 c = TRUE; |
| 2465 } | |
| 2466 #endif | |
| 2467 #ifdef FEAT_MBYTE | |
| 595 | 2468 if (conv_error != 0) |
| 2469 { | |
| 2470 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2471 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2472 c = TRUE; |
| 2473 } | |
| 2474 else if (illegal_byte > 0) | |
| 2475 { | |
| 2476 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2477 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2478 c = TRUE; | |
| 2479 } | |
| 2480 else | |
| 2481 #endif | |
| 2482 if (error) | |
| 2483 { | |
| 2484 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2485 c = TRUE; | |
| 2486 } | |
| 2487 if (msg_add_fileformat(fileformat)) | |
| 2488 c = TRUE; | |
| 2489 #ifdef FEAT_CRYPT | |
| 2490 if (cryptkey != NULL) | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2491 msg_add_lines(c, (long)linecnt, filesize |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2492 - CRYPT_MAGIC_LEN |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2493 - crypt_salt_len[use_crypt_method] |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2494 - crypt_seed_len[use_crypt_method]); |
| 7 | 2495 else |
| 2496 #endif | |
| 2497 msg_add_lines(c, (long)linecnt, filesize); | |
| 2498 | |
| 2499 vim_free(keep_msg); | |
| 2500 keep_msg = NULL; | |
| 2501 msg_scrolled_ign = TRUE; | |
| 2502 #ifdef ALWAYS_USE_GUI | |
| 2503 /* Don't show the message when reading stdin, it would end up in a | |
| 2504 * message box (which might be shown when exiting!) */ | |
| 2505 if (read_stdin || read_buffer) | |
| 2506 p = msg_may_trunc(FALSE, IObuff); | |
| 2507 else | |
| 2508 #endif | |
| 2509 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2510 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2511 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2512 /* Need to repeat the message after redrawing when: |
| 2513 * - When reading from stdin (the screen will be cleared next). | |
| 2514 * - When restart_edit is set (otherwise there will be a delay | |
| 2515 * before redrawing). | |
| 2516 * - When the screen was scrolled but there is no wait-return | |
| 2517 * prompt. */ | |
| 679 | 2518 set_keep_msg(p, 0); |
| 7 | 2519 msg_scrolled_ign = FALSE; |
| 2520 } | |
| 2521 | |
| 2522 /* with errors writing the file requires ":w!" */ | |
| 2523 if (newfile && (error | |
| 2524 #ifdef FEAT_MBYTE | |
| 595 | 2525 || conv_error != 0 |
| 679 | 2526 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2527 #endif |
| 2528 )) | |
| 2529 curbuf->b_p_ro = TRUE; | |
| 2530 | |
| 2531 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2532 | |
| 2533 /* | |
| 2534 * In Ex mode: cursor at last new line. | |
| 2535 * Otherwise: cursor at first new line. | |
| 2536 */ | |
| 2537 if (exmode_active) | |
| 2538 curwin->w_cursor.lnum = from + linecnt; | |
| 2539 else | |
| 2540 curwin->w_cursor.lnum = from + 1; | |
| 2541 check_cursor_lnum(); | |
| 2542 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2543 | |
| 2544 /* | |
| 2545 * Set '[ and '] marks to the newly read lines. | |
| 2546 */ | |
| 2547 curbuf->b_op_start.lnum = from + 1; | |
| 2548 curbuf->b_op_start.col = 0; | |
| 2549 curbuf->b_op_end.lnum = from + linecnt; | |
| 2550 curbuf->b_op_end.col = 0; | |
| 696 | 2551 |
| 2552 #ifdef WIN32 | |
| 2553 /* | |
| 2554 * Work around a weird problem: When a file has two links (only | |
| 2555 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2556 * through the other link, the timestamp information may be wrong. |
| 696 | 2557 * It's correct again after reading the file, thus reset the timestamp |
| 2558 * here. | |
| 2559 */ | |
| 2560 if (newfile && !read_stdin && !read_buffer | |
| 2561 && mch_stat((char *)fname, &st) >= 0) | |
| 2562 { | |
| 2563 buf_store_time(curbuf, &st, fname); | |
| 2564 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2565 } | |
| 2566 #endif | |
| 7 | 2567 } |
| 2568 msg_scroll = msg_save; | |
| 2569 | |
| 2570 #ifdef FEAT_VIMINFO | |
| 2571 /* | |
| 2572 * Get the marks before executing autocommands, so they can be used there. | |
| 2573 */ | |
| 2574 check_marks_read(); | |
| 2575 #endif | |
| 2576 | |
| 2577 /* | |
| 2578 * Trick: We remember if the last line of the read didn't have | |
| 2707 | 2579 * an eol even when 'binary' is off, for when writing it again with |
| 2580 * 'binary' on. This is required for | |
| 7 | 2581 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. |
| 2582 */ | |
| 2707 | 2583 curbuf->b_no_eol_lnum = read_no_eol_lnum; |
| 7 | 2584 |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2585 /* 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
|
2586 * different. */ |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2587 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
|
2588 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
|
2589 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2590 #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
|
2591 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2592 * 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
|
2593 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2594 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
|
2595 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2596 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
|
2597 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2598 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
|
2599 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
|
2600 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2601 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2602 |
| 167 | 2603 #ifdef FEAT_AUTOCMD |
| 7 | 2604 if (!read_stdin && !read_buffer) |
| 2605 { | |
| 2606 int m = msg_scroll; | |
| 2607 int n = msg_scrolled; | |
| 2608 | |
| 2609 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2610 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2611 if (set_options) |
| 7 | 2612 save_file_ff(curbuf); |
| 2613 | |
| 2614 /* | |
| 2615 * The output from the autocommands should not overwrite anything and | |
| 2616 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2617 * output was done. | |
| 2618 */ | |
| 2619 msg_scroll = TRUE; | |
| 2620 if (filtering) | |
| 2621 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2622 FALSE, curbuf, eap); | |
| 2623 else if (newfile) | |
| 2624 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2625 FALSE, curbuf, eap); | |
| 2626 else | |
| 2627 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2628 FALSE, NULL, eap); | |
| 2629 if (msg_scrolled == n) | |
| 2630 msg_scroll = m; | |
| 2707 | 2631 # ifdef FEAT_EVAL |
| 7 | 2632 if (aborting()) /* autocmds may abort script processing */ |
| 2633 return FAIL; | |
| 2707 | 2634 # endif |
| 2635 } | |
| 2636 #endif | |
| 2637 | |
| 7 | 2638 if (recoverymode && error) |
| 2639 return FAIL; | |
| 2640 return OK; | |
| 2641 } | |
| 2642 | |
| 1313 | 2643 #ifdef OPEN_CHR_FILES |
| 2644 /* | |
| 2645 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2646 * which is the name of files used for process substitution output by | |
| 2647 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2648 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2649 */ | |
| 2650 static int | |
| 2651 is_dev_fd_file(fname) | |
| 2652 char_u *fname; | |
| 2653 { | |
| 2654 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2655 && VIM_ISDIGIT(fname[8]) | |
| 2656 && *skipdigits(fname + 9) == NUL | |
| 2657 && (fname[9] != NUL | |
| 2658 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2659 } | |
| 2660 #endif | |
| 2661 | |
| 595 | 2662 #ifdef FEAT_MBYTE |
| 2663 | |
| 2664 /* | |
| 2665 * From the current line count and characters read after that, estimate the | |
| 2666 * line number where we are now. | |
| 2667 * Used for error messages that include a line number. | |
| 2668 */ | |
| 2669 static linenr_T | |
| 2670 readfile_linenr(linecnt, p, endp) | |
| 2671 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2672 char_u *p; /* start of more bytes read */ | |
| 2673 char_u *endp; /* end of more bytes read */ | |
| 2674 { | |
| 2675 char_u *s; | |
| 2676 linenr_T lnum; | |
| 2677 | |
| 2678 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2679 for (s = p; s < endp; ++s) | |
| 2680 if (*s == '\n') | |
| 2681 ++lnum; | |
| 2682 return lnum; | |
| 2683 } | |
| 2684 #endif | |
| 2685 | |
| 7 | 2686 /* |
| 612 | 2687 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2688 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2689 * Returns OK or FAIL. |
| 2690 */ | |
| 2691 int | |
| 2692 prep_exarg(eap, buf) | |
| 2693 exarg_T *eap; | |
| 2694 buf_T *buf; | |
| 2695 { | |
| 2696 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2697 #ifdef FEAT_MBYTE | |
| 2698 + STRLEN(buf->b_p_fenc) | |
| 2699 #endif | |
| 2700 + 15)); | |
| 2701 if (eap->cmd == NULL) | |
| 2702 return FAIL; | |
| 2703 | |
| 2704 #ifdef FEAT_MBYTE | |
| 2705 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2706 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2707 eap->bad_char = buf->b_bad_char; |
| 7 | 2708 #else |
| 2709 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2710 #endif | |
| 2711 eap->force_ff = 7; | |
| 612 | 2712 |
| 2713 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2714 eap->read_edit = FALSE; |
| 612 | 2715 eap->forceit = FALSE; |
| 7 | 2716 return OK; |
| 2717 } | |
| 2718 | |
|
5231
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2719 /* |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2720 * Set default or forced 'fileformat' and 'binary'. |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2721 */ |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2722 void |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2723 set_file_options(set_options, eap) |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2724 int set_options; |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2725 exarg_T *eap; |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2726 { |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2727 /* set default 'fileformat' */ |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2728 if (set_options) |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2729 { |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2730 if (eap != NULL && eap->force_ff != 0) |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2731 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2732 else if (*p_ffs != NUL) |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2733 set_fileformat(default_fileformat(), OPT_LOCAL); |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2734 } |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2735 |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2736 /* set or reset 'binary' */ |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2737 if (eap != NULL && eap->force_bin != 0) |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2738 { |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2739 int oldval = curbuf->b_p_bin; |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2740 |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2741 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2742 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2743 } |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2744 } |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
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diff
changeset
|
2745 |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
5104
diff
changeset
|
2746 #if defined(FEAT_MBYTE) || defined(PROTO) |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
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|
2747 /* |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
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diff
changeset
|
2748 * Set forced 'fileencoding'. |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
5104
diff
changeset
|
2749 */ |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
5104
diff
changeset
|
2750 void |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
5104
diff
changeset
|
2751 set_forced_fenc(eap) |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
5104
diff
changeset
|
2752 exarg_T *eap; |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2753 { |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
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diff
changeset
|
2754 if (eap->force_enc != 0) |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
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diff
changeset
|
2755 { |
|
74d2f3188cd0
updated for version 7.4a.041
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parents:
5104
diff
changeset
|
2756 char_u *fenc = enc_canonize(eap->cmd + eap->force_enc); |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2757 |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2758 if (fenc != NULL) |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2759 set_string_option_direct((char_u *)"fenc", -1, |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2760 fenc, OPT_FREE|OPT_LOCAL, 0); |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2761 vim_free(fenc); |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2762 } |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2763 } |
|
74d2f3188cd0
updated for version 7.4a.041
Bram Moolenaar <bram@vim.org>
parents:
5104
diff
changeset
|
2764 |
| 7 | 2765 /* |
| 2766 * Find next fileencoding to use from 'fileencodings'. | |
| 2767 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2768 * When there are no more items, an empty string is returned and *pp is set to | |
| 2769 * NULL. | |
| 2770 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2771 */ | |
| 2772 static char_u * | |
| 2773 next_fenc(pp) | |
| 2774 char_u **pp; | |
| 2775 { | |
| 2776 char_u *p; | |
| 2777 char_u *r; | |
| 2778 | |
| 2779 if (**pp == NUL) | |
| 2780 { | |
| 2781 *pp = NULL; | |
| 2782 return (char_u *)""; | |
| 2783 } | |
| 2784 p = vim_strchr(*pp, ','); | |
| 2785 if (p == NULL) | |
| 2786 { | |
| 2787 r = enc_canonize(*pp); | |
| 2788 *pp += STRLEN(*pp); | |
| 2789 } | |
| 2790 else | |
| 2791 { | |
| 2792 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2793 *pp = p + 1; | |
| 2794 if (r != NULL) | |
| 2795 { | |
| 2796 p = enc_canonize(r); | |
| 2797 vim_free(r); | |
| 2798 r = p; | |
| 2799 } | |
| 2800 } | |
| 2801 if (r == NULL) /* out of memory */ | |
| 2802 { | |
| 2803 r = (char_u *)""; | |
| 2804 *pp = NULL; | |
| 2805 } | |
| 2806 return r; | |
| 2807 } | |
| 2808 | |
| 2809 # ifdef FEAT_EVAL | |
| 2810 /* | |
| 2811 * Convert a file with the 'charconvert' expression. | |
| 2812 * This closes the file which is to be read, converts it and opens the | |
| 2813 * resulting file for reading. | |
| 2814 * Returns name of the resulting converted file (the caller should delete it | |
| 2815 * after reading it). | |
| 2816 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2817 */ | |
| 2818 static char_u * | |
| 2819 readfile_charconvert(fname, fenc, fdp) | |
| 2820 char_u *fname; /* name of input file */ | |
| 2821 char_u *fenc; /* converted from */ | |
| 2822 int *fdp; /* in/out: file descriptor of file */ | |
| 2823 { | |
| 2824 char_u *tmpname; | |
| 2825 char_u *errmsg = NULL; | |
| 2826 | |
| 2827 tmpname = vim_tempname('r'); | |
| 2828 if (tmpname == NULL) | |
| 2829 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2830 else | |
| 2831 { | |
| 2832 close(*fdp); /* close the input file, ignore errors */ | |
| 2833 *fdp = -1; | |
| 2834 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2835 fname, tmpname) == FAIL) | |
| 2836 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2837 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2838 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2839 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2840 } | |
| 2841 | |
| 2842 if (errmsg != NULL) | |
| 2843 { | |
| 2844 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2845 * another type of conversion might still work. */ | |
| 2846 MSG(errmsg); | |
| 2847 if (tmpname != NULL) | |
| 2848 { | |
| 2849 mch_remove(tmpname); /* delete converted file */ | |
| 2850 vim_free(tmpname); | |
| 2851 tmpname = NULL; | |
| 2852 } | |
| 2853 } | |
| 2854 | |
| 2855 /* If the input file is closed, open it (caller should check for error). */ | |
| 2856 if (*fdp < 0) | |
| 2857 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2858 | |
| 2859 return tmpname; | |
| 2860 } | |
| 2861 # endif | |
| 2862 | |
| 2863 #endif | |
| 2864 | |
| 2865 #ifdef FEAT_VIMINFO | |
| 2866 /* | |
| 2867 * Read marks for the current buffer from the viminfo file, when we support | |
| 2868 * buffer marks and the buffer has a name. | |
| 2869 */ | |
| 2870 static void | |
| 2871 check_marks_read() | |
| 2872 { | |
| 2873 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2874 && curbuf->b_ffname != NULL) | |
| 1733 | 2875 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2876 |
| 2877 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2878 * the ' parameter after opening a buffer. */ | |
| 2879 curbuf->b_marks_read = TRUE; | |
| 2880 } | |
| 2881 #endif | |
| 2882 | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2883 #if defined(FEAT_CRYPT) || defined(PROTO) |
| 7 | 2884 /* |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2885 * 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
|
2886 * 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
|
2887 * 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
|
2888 */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2889 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
|
2890 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
|
2891 char *ptr; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2892 int len; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2893 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2894 int i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2895 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2896 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
|
2897 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2898 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
|
2899 continue; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2900 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
|
2901 return i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2902 } |
|
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
|
2903 |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
2904 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
|
2905 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
|
2906 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
|
2907 |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2908 return -1; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2909 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2910 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2911 /* |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2912 * Check for magic number used for encryption. Applies to the current buffer. |
| 7 | 2913 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
| 2914 * *filesizep are updated. | |
| 2915 * Return the (new) encryption key, NULL for no encryption. | |
| 2916 */ | |
| 2917 static char_u * | |
| 2267 | 2918 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, fname, did_ask) |
| 7 | 2919 char_u *cryptkey; /* previous encryption key or NULL */ |
| 2920 char_u *ptr; /* pointer to read bytes */ | |
| 2921 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
|
2922 off_t *filesizep; /* nr of bytes used from file */ |
| 7 | 2923 int newfile; /* editing a new buffer */ |
| 2267 | 2924 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
|
2925 int *did_ask; /* flag: whether already asked for key */ |
| 7 | 2926 { |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2927 int method = crypt_method_from_magic((char *)ptr, *sizep); |
| 5312 | 2928 int b_p_ro = curbuf->b_p_ro; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2929 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2930 if (method >= 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2931 { |
| 5312 | 2932 /* Mark the buffer as read-only until the decryption has taken place. |
| 2933 * Avoids accidentally overwriting the file with garbage. */ | |
| 2934 curbuf->b_p_ro = TRUE; | |
| 2935 | |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2936 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
|
2937 if (method > 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2938 (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
|
2939 if (cryptkey == NULL && !*did_ask) |
| 7 | 2940 { |
| 2941 if (*curbuf->b_p_key) | |
| 2942 cryptkey = curbuf->b_p_key; | |
| 2943 else | |
| 2944 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2945 /* 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
|
2946 * 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
|
2947 * 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
|
2948 * Happens when retrying to detect encoding. */ |
| 2267 | 2949 smsg((char_u *)_(need_key_msg), fname); |
| 2950 msg_scroll = TRUE; | |
| 7 | 2951 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
|
2952 *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
|
2953 |
| 7 | 2954 /* check if empty key entered */ |
| 2955 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2956 { | |
| 2957 if (cryptkey != curbuf->b_p_key) | |
| 2958 vim_free(cryptkey); | |
| 2959 cryptkey = NULL; | |
| 2960 } | |
| 2961 } | |
| 2962 } | |
| 2963 | |
| 2964 if (cryptkey != NULL) | |
| 2965 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2966 int seed_len = crypt_seed_len[method]; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2967 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
|
2968 |
| 2267 | 2969 crypt_push_state(); |
| 2970 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
|
2971 if (method == 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2972 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
|
2973 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2974 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2975 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
|
2976 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
|
2977 } |
| 7 | 2978 |
| 2979 /* Remove magic number from the text */ | |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2980 *filesizep += CRYPT_MAGIC_LEN + salt_len + seed_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2981 *sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len; |
| 2267 | 2982 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len, |
| 2983 (size_t)*sizep); | |
| 5312 | 2984 /* Restore the read-only flag. */ |
| 2985 curbuf->b_p_ro = b_p_ro; | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2986 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2987 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2988 /* 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
|
2989 * 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
|
2990 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
| 7 | 2991 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
| 2992 | |
| 2993 return cryptkey; | |
| 2994 } | |
|
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 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2996 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2997 * 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
|
2998 * 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
|
2999 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3000 int |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3001 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
|
3002 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
|
3003 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3004 int method; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3005 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
|
3006 + 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
|
3007 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3008 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
|
3009 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
|
3010 method = crypt_method_from_magic((char *)buffer, |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3011 CRYPT_MAGIC_LEN + |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
3012 CRYPT_SEED_LEN_MAX + |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
3013 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
|
3014 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
|
3015 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
|
3016 |
| 2267 | 3017 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
|
3018 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
|
3019 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
|
3020 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3021 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3022 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
|
3023 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
|
3024 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3025 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
|
3026 return FAIL; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3027 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
|
3028 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
|
3029 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3030 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
|
3031 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3032 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3033 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3034 * 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
|
3035 * Returns a pointer to an allocated header of length "*lenp". |
| 2267 | 3036 * When out of memory returns NULL. |
| 3037 * 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
|
3038 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3039 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
|
3040 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
|
3041 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
|
3042 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
|
3043 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3044 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
|
3045 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
|
3046 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
|
3047 char_u *salt; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3048 char_u *seed; |
|
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 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
|
3051 + 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
|
3052 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
|
3053 { |
| 2267 | 3054 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
|
3055 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
|
3056 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
|
3057 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
|
3058 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
|
3059 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
|
3060 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3061 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3062 /* Using blowfish, add salt and seed. */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3063 salt = header + CRYPT_MAGIC_LEN; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3064 seed = salt + salt_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3065 sha2_seed(salt, salt_len, seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3066 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
|
3067 bf_ofb_init(seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3068 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3069 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3070 *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
|
3071 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
|
3072 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3073 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3074 #endif /* FEAT_CRYPT */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3075 |
| 7 | 3076 #ifdef UNIX |
| 3077 static void | |
| 3078 set_file_time(fname, atime, mtime) | |
| 3079 char_u *fname; | |
| 3080 time_t atime; /* access time */ | |
| 3081 time_t mtime; /* modification time */ | |
| 3082 { | |
| 3083 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 3084 struct utimbuf buf; | |
| 3085 | |
| 3086 buf.actime = atime; | |
| 3087 buf.modtime = mtime; | |
| 3088 (void)utime((char *)fname, &buf); | |
| 3089 # else | |
| 3090 # if defined(HAVE_UTIMES) | |
| 3091 struct timeval tvp[2]; | |
| 3092 | |
| 3093 tvp[0].tv_sec = atime; | |
| 3094 tvp[0].tv_usec = 0; | |
| 3095 tvp[1].tv_sec = mtime; | |
| 3096 tvp[1].tv_usec = 0; | |
| 3097 # ifdef NeXT | |
| 3098 (void)utimes((char *)fname, tvp); | |
| 3099 # else | |
| 3100 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 3101 # endif | |
| 3102 # endif | |
| 3103 # endif | |
| 3104 } | |
| 3105 #endif /* UNIX */ | |
| 3106 | |
| 22 | 3107 #if defined(VMS) && !defined(MIN) |
| 3108 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 3109 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 3110 #endif | |
| 3111 | |
| 7 | 3112 /* |
| 1303 | 3113 * Return TRUE if a file appears to be read-only from the file permissions. |
| 3114 */ | |
| 3115 int | |
| 3116 check_file_readonly(fname, perm) | |
| 3117 char_u *fname; /* full path to file */ | |
| 3118 int perm; /* known permissions on file */ | |
| 3119 { | |
| 3120 #ifndef USE_MCH_ACCESS | |
| 3121 int fd = 0; | |
| 3122 #endif | |
| 3123 | |
| 3124 return ( | |
| 3125 #ifdef USE_MCH_ACCESS | |
| 3126 # ifdef UNIX | |
| 3127 (perm & 0222) == 0 || | |
| 3128 # endif | |
| 3129 mch_access((char *)fname, W_OK) | |
| 3130 #else | |
| 3131 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 3132 ? TRUE : (close(fd), FALSE) | |
| 3133 #endif | |
| 3134 ); | |
| 3135 } | |
| 3136 | |
| 3137 | |
| 3138 /* | |
| 589 | 3139 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 3140 * |
| 3141 * We do our own buffering here because fwrite() is so slow. | |
| 3142 * | |
| 589 | 3143 * If "forceit" is true, we don't care for errors when attempting backups. |
| 3144 * In case of an error everything possible is done to restore the original | |
| 1698 | 3145 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 3146 * |
| 3147 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 3148 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 3149 * |
| 3150 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 3151 * | |
| 3152 * return FAIL for failure, OK otherwise | |
| 3153 */ | |
| 3154 int | |
| 3155 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 3156 reset_changed, filtering) | |
| 3157 buf_T *buf; | |
| 3158 char_u *fname; | |
| 3159 char_u *sfname; | |
| 3160 linenr_T start, end; | |
| 3161 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 3162 NULL! */ | |
| 589 | 3163 int append; /* append to the file */ |
| 7 | 3164 int forceit; |
| 3165 int reset_changed; | |
| 3166 int filtering; | |
| 3167 { | |
| 3168 int fd; | |
| 3169 char_u *backup = NULL; | |
| 3170 int backup_copy = FALSE; /* copy the original file? */ | |
| 3171 int dobackup; | |
| 3172 char_u *ffname; | |
| 3173 char_u *wfname = NULL; /* name of file to write to */ | |
| 3174 char_u *s; | |
| 3175 char_u *ptr; | |
| 3176 char_u c; | |
| 3177 int len; | |
| 3178 linenr_T lnum; | |
| 3179 long nchars; | |
| 3180 char_u *errmsg = NULL; | |
| 1947 | 3181 int errmsg_allocated = FALSE; |
| 7 | 3182 char_u *errnum = NULL; |
| 3183 char_u *buffer; | |
| 3184 char_u smallbuf[SMBUFSIZE]; | |
| 3185 char_u *backup_ext; | |
| 3186 int bufsize; | |
| 3187 long perm; /* file permissions */ | |
| 3188 int retval = OK; | |
| 3189 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 3190 int msg_save = msg_scroll; | |
| 3191 int overwriting; /* TRUE if writing over original */ | |
| 3192 int no_eol = FALSE; /* no end-of-line written */ | |
| 3193 int device = FALSE; /* writing to a device */ | |
| 3194 struct stat st_old; | |
| 3195 int prev_got_int = got_int; | |
| 3196 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 3197 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 3198 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 3199 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 3200 #endif | |
| 3201 /* writing everything */ | |
| 3202 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 3203 #ifdef FEAT_AUTOCMD | |
| 3204 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 3205 #endif | |
| 3206 int attr; | |
| 3207 int fileformat; | |
| 3208 int write_bin; | |
| 3209 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 3210 #ifdef FEAT_MBYTE | |
| 3211 int converted = FALSE; | |
| 3212 int notconverted = FALSE; | |
| 3213 char_u *fenc; /* effective 'fileencoding' */ | |
| 3214 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 3215 #endif | |
| 3216 #ifdef HAS_BW_FLAGS | |
| 3217 int wb_flags = 0; | |
| 3218 #endif | |
| 3219 #ifdef HAVE_ACL | |
| 3220 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 3221 backup or new file */ | |
| 3222 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3223 #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
|
3224 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
|
3225 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
|
3226 #endif |
| 2717 | 3227 #ifdef FEAT_CRYPT |
| 3228 int crypt_method_used; | |
| 3229 #endif | |
| 7 | 3230 |
| 3231 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 3232 return FAIL; | |
| 2028 | 3233 if (buf->b_ml.ml_mfp == NULL) |
| 3234 { | |
| 3235 /* This can happen during startup when there is a stray "w" in the | |
| 3236 * vimrc file. */ | |
| 3237 EMSG(_(e_emptybuf)); | |
| 3238 return FAIL; | |
| 3239 } | |
| 7 | 3240 |
| 3241 /* | |
| 3242 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3243 * security reasons. | |
| 3244 */ | |
| 3245 if (check_secure()) | |
| 3246 return FAIL; | |
| 3247 | |
| 3248 /* Avoid a crash for a long name. */ | |
| 3249 if (STRLEN(fname) >= MAXPATHL) | |
| 3250 { | |
| 3251 EMSG(_(e_longname)); | |
| 3252 return FAIL; | |
| 3253 } | |
| 3254 | |
| 3255 #ifdef FEAT_MBYTE | |
| 3256 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3257 write_info.bw_conv_buf = NULL; | |
| 3258 write_info.bw_conv_error = FALSE; | |
| 1947 | 3259 write_info.bw_conv_error_lnum = 0; |
| 7 | 3260 write_info.bw_restlen = 0; |
| 3261 # ifdef USE_ICONV | |
| 3262 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3263 # endif | |
| 3264 #endif | |
| 3265 | |
| 167 | 3266 /* After writing a file changedtick changes but we don't want to display |
| 3267 * the line. */ | |
| 3268 ex_no_reprint = TRUE; | |
| 3269 | |
| 7 | 3270 /* |
| 3271 * If there is no file name yet, use the one for the written file. | |
| 3272 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3273 * Don't do this when the write is for a filter command. | |
| 589 | 3274 * Don't do this when appending. |
| 3275 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3276 */ |
| 633 | 3277 if (buf->b_ffname == NULL |
| 3278 && reset_changed | |
| 7 | 3279 && whole |
| 3280 && buf == curbuf | |
| 236 | 3281 #ifdef FEAT_QUICKFIX |
| 3282 && !bt_nofile(buf) | |
| 3283 #endif | |
| 7 | 3284 && !filtering |
| 589 | 3285 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3286 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3287 { | |
| 633 | 3288 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3289 return FAIL; |
| 633 | 3290 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3291 } |
| 3292 | |
| 3293 if (sfname == NULL) | |
| 3294 sfname = fname; | |
| 3295 /* | |
| 3296 * For Unix: Use the short file name whenever possible. | |
| 3297 * Avoids problems with networks and when directory names are changed. | |
| 3298 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3299 * another directory, which we don't detect | |
| 3300 */ | |
| 3301 ffname = fname; /* remember full fname */ | |
| 3302 #ifdef UNIX | |
| 3303 fname = sfname; | |
| 3304 #endif | |
| 3305 | |
| 3306 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3307 overwriting = TRUE; | |
| 3308 else | |
| 3309 overwriting = FALSE; | |
| 3310 | |
| 3311 if (exiting) | |
| 4352 | 3312 settmode(TMODE_COOK); /* when exiting allow typeahead now */ |
| 7 | 3313 |
| 3314 ++no_wait_return; /* don't wait for return yet */ | |
| 3315 | |
| 3316 /* | |
| 3317 * Set '[ and '] marks to the lines to be written. | |
| 3318 */ | |
| 3319 buf->b_op_start.lnum = start; | |
| 3320 buf->b_op_start.col = 0; | |
| 3321 buf->b_op_end.lnum = end; | |
| 3322 buf->b_op_end.col = 0; | |
| 3323 | |
| 3324 #ifdef FEAT_AUTOCMD | |
| 3325 { | |
| 3326 aco_save_T aco; | |
| 3327 int buf_ffname = FALSE; | |
| 3328 int buf_sfname = FALSE; | |
| 3329 int buf_fname_f = FALSE; | |
| 3330 int buf_fname_s = FALSE; | |
| 3331 int did_cmd = FALSE; | |
| 17 | 3332 int nofile_err = FALSE; |
| 161 | 3333 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3334 |
| 3335 /* | |
| 4352 | 3336 * Apply PRE autocommands. |
| 7 | 3337 * Set curbuf to the buffer to be written. |
| 3338 * Careful: The autocommands may call buf_write() recursively! | |
| 3339 */ | |
| 3340 if (ffname == buf->b_ffname) | |
| 3341 buf_ffname = TRUE; | |
| 3342 if (sfname == buf->b_sfname) | |
| 3343 buf_sfname = TRUE; | |
| 3344 if (fname == buf->b_ffname) | |
| 3345 buf_fname_f = TRUE; | |
| 3346 if (fname == buf->b_sfname) | |
| 3347 buf_fname_s = TRUE; | |
| 3348 | |
| 3349 /* set curwin/curbuf to buf and save a few things */ | |
| 3350 aucmd_prepbuf(&aco, buf); | |
| 3351 | |
| 3352 if (append) | |
| 3353 { | |
| 3354 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3355 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3356 { |
| 635 | 3357 #ifdef FEAT_QUICKFIX |
| 18 | 3358 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3359 nofile_err = TRUE; |
| 3360 else | |
| 635 | 3361 #endif |
| 17 | 3362 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3363 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3364 } |
| 7 | 3365 } |
| 3366 else if (filtering) | |
| 3367 { | |
| 3368 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3369 NULL, sfname, FALSE, curbuf, eap); | |
| 3370 } | |
| 3371 else if (reset_changed && whole) | |
| 3372 { | |
| 3036 | 3373 int was_changed = curbufIsChanged(); |
| 3374 | |
| 3375 did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3376 sfname, sfname, FALSE, curbuf, eap); | |
| 3377 if (did_cmd) | |
| 3378 { | |
| 3379 if (was_changed && !curbufIsChanged()) | |
| 3380 { | |
| 3381 /* Written everything correctly and BufWriteCmd has reset | |
| 3382 * 'modified': Correct the undo information so that an | |
| 3383 * undo now sets 'modified'. */ | |
| 3384 u_unchanged(curbuf); | |
| 3385 u_update_save_nr(curbuf); | |
| 3386 } | |
| 3387 } | |
| 3388 else | |
| 17 | 3389 { |
| 635 | 3390 #ifdef FEAT_QUICKFIX |
| 179 | 3391 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3392 nofile_err = TRUE; |
| 3393 else | |
| 635 | 3394 #endif |
| 17 | 3395 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3396 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3397 } |
| 7 | 3398 } |
| 3399 else | |
| 3400 { | |
| 3401 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3402 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3403 { |
| 635 | 3404 #ifdef FEAT_QUICKFIX |
| 179 | 3405 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3406 nofile_err = TRUE; |
| 3407 else | |
| 635 | 3408 #endif |
| 17 | 3409 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3410 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3411 } |
| 7 | 3412 } |
| 3413 | |
| 3414 /* restore curwin/curbuf and a few other things */ | |
| 3415 aucmd_restbuf(&aco); | |
| 3416 | |
| 3417 /* | |
| 3418 * In three situations we return here and don't write the file: | |
| 3419 * 1. the autocommands deleted or unloaded the buffer. | |
| 3420 * 2. The autocommands abort script processing. | |
| 3421 * 3. If one of the "Cmd" autocommands was executed. | |
| 3422 */ | |
| 3423 if (!buf_valid(buf)) | |
| 3424 buf = NULL; | |
| 161 | 3425 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3426 || did_cmd || nofile_err |
| 3427 #ifdef FEAT_EVAL | |
| 3428 || aborting() | |
| 3429 #endif | |
| 3430 ) | |
| 7 | 3431 { |
| 3432 --no_wait_return; | |
| 3433 msg_scroll = msg_save; | |
| 17 | 3434 if (nofile_err) |
| 3435 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3436 | |
| 532 | 3437 if (nofile_err |
| 3438 #ifdef FEAT_EVAL | |
| 3439 || aborting() | |
| 3440 #endif | |
| 3441 ) | |
| 7 | 3442 /* An aborting error, interrupt or exception in the |
| 3443 * autocommands. */ | |
| 3444 return FAIL; | |
| 3445 if (did_cmd) | |
| 3446 { | |
| 3447 if (buf == NULL) | |
| 3448 /* The buffer was deleted. We assume it was written | |
| 3449 * (can't retry anyway). */ | |
| 3450 return OK; | |
| 3451 if (overwriting) | |
| 3452 { | |
| 3453 /* Assume the buffer was written, update the timestamp. */ | |
| 3454 ml_timestamp(buf); | |
| 589 | 3455 if (append) |
| 3456 buf->b_flags &= ~BF_NEW; | |
| 3457 else | |
| 3458 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3459 } |
| 589 | 3460 if (reset_changed && buf->b_changed && !append |
| 39 | 3461 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3462 /* Buffer still changed, the autocommands didn't work |
| 3463 * properly. */ | |
| 3464 return FAIL; | |
| 3465 return OK; | |
| 3466 } | |
| 3467 #ifdef FEAT_EVAL | |
| 3468 if (!aborting()) | |
| 3469 #endif | |
| 3470 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3471 return FAIL; | |
| 3472 } | |
| 3473 | |
| 3474 /* | |
| 3475 * The autocommands may have changed the number of lines in the file. | |
| 3476 * When writing the whole file, adjust the end. | |
| 3477 * When writing part of the file, assume that the autocommands only | |
| 3478 * changed the number of lines that are to be written (tricky!). | |
| 3479 */ | |
| 3480 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3481 { | |
| 3482 if (whole) /* write all */ | |
| 3483 end = buf->b_ml.ml_line_count; | |
| 3484 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3485 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3486 else /* less lines */ | |
| 3487 { | |
| 3488 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3489 if (end < start) | |
| 3490 { | |
| 3491 --no_wait_return; | |
| 3492 msg_scroll = msg_save; | |
| 3493 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3494 return FAIL; | |
| 3495 } | |
| 3496 } | |
| 3497 } | |
| 3498 | |
| 3499 /* | |
| 3500 * The autocommands may have changed the name of the buffer, which may | |
| 3501 * be kept in fname, ffname and sfname. | |
| 3502 */ | |
| 3503 if (buf_ffname) | |
| 3504 ffname = buf->b_ffname; | |
| 3505 if (buf_sfname) | |
| 3506 sfname = buf->b_sfname; | |
| 3507 if (buf_fname_f) | |
| 3508 fname = buf->b_ffname; | |
| 3509 if (buf_fname_s) | |
| 3510 fname = buf->b_sfname; | |
| 3511 } | |
| 3512 #endif | |
| 3513 | |
| 3514 #ifdef FEAT_NETBEANS_INTG | |
| 2210 | 3515 if (netbeans_active() && isNetbeansBuffer(buf)) |
| 7 | 3516 { |
| 3517 if (whole) | |
| 3518 { | |
| 3519 /* | |
| 3520 * b_changed can be 0 after an undo, but we still need to write | |
| 3521 * the buffer to NetBeans. | |
| 3522 */ | |
| 3523 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3524 { | |
| 33 | 3525 --no_wait_return; /* may wait for return now */ |
| 3526 msg_scroll = msg_save; | |
| 3527 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3528 return retval; |
| 3529 } | |
| 3530 else | |
| 3531 { | |
| 3532 errnum = (char_u *)"E656: "; | |
| 1653 | 3533 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3534 buffer = NULL; |
| 3535 goto fail; | |
| 3536 } | |
| 3537 } | |
| 3538 else | |
| 3539 { | |
| 3540 errnum = (char_u *)"E657: "; | |
| 3541 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3542 buffer = NULL; | |
| 3543 goto fail; | |
| 3544 } | |
| 3545 } | |
| 3546 #endif | |
| 3547 | |
| 3548 if (shortmess(SHM_OVER) && !exiting) | |
| 3549 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3550 else | |
| 3551 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3552 if (!filtering) | |
| 3553 filemess(buf, | |
| 3554 #ifndef UNIX | |
| 3555 sfname, | |
| 3556 #else | |
| 3557 fname, | |
| 3558 #endif | |
| 3559 (char_u *)"", 0); /* show that we are busy */ | |
| 3560 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3561 | |
| 3562 buffer = alloc(BUFSIZE); | |
| 3563 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3564 * one (to be able to write when out of | |
| 3565 * memory) */ | |
| 3566 { | |
| 3567 buffer = smallbuf; | |
| 3568 bufsize = SMBUFSIZE; | |
| 3569 } | |
| 3570 else | |
| 3571 bufsize = BUFSIZE; | |
| 3572 | |
| 3573 /* | |
| 3574 * Get information about original file (if there is one). | |
| 3575 */ | |
| 3576 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3577 st_old.st_dev = 0; |
| 3578 st_old.st_ino = 0; | |
| 7 | 3579 perm = -1; |
| 3580 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3581 newfile = TRUE; | |
| 3582 else | |
| 3583 { | |
| 3584 perm = st_old.st_mode; | |
| 3585 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3586 { | |
| 3587 if (S_ISDIR(st_old.st_mode)) | |
| 3588 { | |
| 3589 errnum = (char_u *)"E502: "; | |
| 3590 errmsg = (char_u *)_("is a directory"); | |
| 3591 goto fail; | |
| 3592 } | |
| 3593 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3594 { | |
| 3595 errnum = (char_u *)"E503: "; | |
| 3596 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3597 goto fail; | |
| 3598 } | |
| 3599 /* It's a device of some kind (or a fifo) which we can write to | |
| 3600 * but for which we can't make a backup. */ | |
| 3601 device = TRUE; | |
| 3602 newfile = TRUE; | |
| 3603 perm = -1; | |
| 3604 } | |
| 3605 } | |
| 3606 #else /* !UNIX */ | |
| 3607 /* | |
| 3608 * Check for a writable device name. | |
| 3609 */ | |
| 3610 c = mch_nodetype(fname); | |
| 3611 if (c == NODE_OTHER) | |
| 3612 { | |
| 3613 errnum = (char_u *)"E503: "; | |
| 3614 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3615 goto fail; | |
| 3616 } | |
| 3617 if (c == NODE_WRITABLE) | |
| 3618 { | |
| 1004 | 3619 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3620 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3621 * trying to write to it. */ | |
| 3622 if (!p_odev) | |
| 3623 { | |
| 3624 errnum = (char_u *)"E796: "; | |
| 3625 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3626 goto fail; | |
| 3627 } | |
| 3628 # endif | |
| 7 | 3629 device = TRUE; |
| 3630 newfile = TRUE; | |
| 3631 perm = -1; | |
| 3632 } | |
| 3633 else | |
| 3634 { | |
| 3635 perm = mch_getperm(fname); | |
| 3636 if (perm < 0) | |
| 3637 newfile = TRUE; | |
| 3638 else if (mch_isdir(fname)) | |
| 3639 { | |
| 3640 errnum = (char_u *)"E502: "; | |
| 3641 errmsg = (char_u *)_("is a directory"); | |
| 3642 goto fail; | |
| 3643 } | |
| 3644 if (overwriting) | |
| 3645 (void)mch_stat((char *)fname, &st_old); | |
| 3646 } | |
| 3647 #endif /* !UNIX */ | |
| 3648 | |
| 3649 if (!device && !newfile) | |
| 3650 { | |
| 3651 /* | |
| 3652 * Check if the file is really writable (when renaming the file to | |
| 3653 * make a backup we won't discover it later). | |
| 3654 */ | |
| 1303 | 3655 file_readonly = check_file_readonly(fname, (int)perm); |
| 3656 | |
| 7 | 3657 if (!forceit && file_readonly) |
| 3658 { | |
| 3659 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3660 { | |
| 3661 errnum = (char_u *)"E504: "; | |
| 3662 errmsg = (char_u *)_(err_readonly); | |
| 3663 } | |
| 3664 else | |
| 3665 { | |
| 3666 errnum = (char_u *)"E505: "; | |
| 3667 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3668 } | |
| 3669 goto fail; | |
| 3670 } | |
| 3671 | |
| 3672 /* | |
| 3673 * Check if the timestamp hasn't changed since reading the file. | |
| 3674 */ | |
| 3675 if (overwriting) | |
| 3676 { | |
| 3677 retval = check_mtime(buf, &st_old); | |
| 3678 if (retval == FAIL) | |
| 3679 goto fail; | |
| 3680 } | |
| 3681 } | |
| 3682 | |
| 3683 #ifdef HAVE_ACL | |
| 3684 /* | |
| 3685 * For systems that support ACL: get the ACL from the original file. | |
| 3686 */ | |
| 3687 if (!newfile) | |
| 3688 acl = mch_get_acl(fname); | |
| 3689 #endif | |
| 3690 | |
| 3691 /* | |
| 3692 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3693 */ | |
| 3694 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3695 #ifdef FEAT_WILDIGN | |
| 3696 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3697 dobackup = FALSE; | |
| 3698 #endif | |
| 3699 | |
| 3700 /* | |
| 3701 * Save the value of got_int and reset it. We don't want a previous | |
| 3702 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3703 * abort it. | |
| 3704 */ | |
| 3705 prev_got_int = got_int; | |
| 3706 got_int = FALSE; | |
| 3707 | |
| 3708 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3709 buf->b_saving = TRUE; | |
| 3710 | |
| 3711 /* | |
| 3712 * If we are not appending or filtering, the file exists, and the | |
| 3713 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3714 * When 'patchmode' is set also make a backup when appending. | |
| 3715 * | |
| 3716 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3717 * off. This helps when editing large files on almost-full disks. | |
| 3718 */ | |
| 3719 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3720 { | |
| 3721 #if defined(UNIX) || defined(WIN32) | |
| 3722 struct stat st; | |
| 3723 #endif | |
| 3724 | |
| 3725 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3726 backup_copy = TRUE; | |
| 3727 #if defined(UNIX) || defined(WIN32) | |
| 3728 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3729 { | |
| 3730 int i; | |
| 3731 | |
| 3732 # ifdef UNIX | |
| 3733 /* | |
| 3734 * Don't rename the file when: | |
| 3735 * - it's a hard link | |
| 3736 * - it's a symbolic link | |
| 3737 * - we don't have write permission in the directory | |
| 3738 * - we can't set the owner/group of the new file | |
| 3739 */ | |
| 3740 if (st_old.st_nlink > 1 | |
| 3741 || mch_lstat((char *)fname, &st) < 0 | |
| 3742 || st.st_dev != st_old.st_dev | |
| 557 | 3743 || st.st_ino != st_old.st_ino |
| 3744 # ifndef HAVE_FCHOWN | |
| 3745 || st.st_uid != st_old.st_uid | |
| 3746 || st.st_gid != st_old.st_gid | |
| 3747 # endif | |
| 3748 ) | |
| 7 | 3749 backup_copy = TRUE; |
| 3750 else | |
| 696 | 3751 # else |
| 3752 # ifdef WIN32 | |
| 3753 /* On NTFS file systems hard links are possible. */ | |
| 3754 if (mch_is_linked(fname)) | |
| 3755 backup_copy = TRUE; | |
| 3756 else | |
| 3757 # endif | |
| 7 | 3758 # endif |
| 3759 { | |
| 3760 /* | |
| 3761 * Check if we can create a file and set the owner/group to | |
| 3762 * the ones from the original file. | |
| 3763 * First find a file name that doesn't exist yet (use some | |
| 3764 * arbitrary numbers). | |
| 3765 */ | |
| 3766 STRCPY(IObuff, fname); | |
| 3767 for (i = 4913; ; i += 123) | |
| 3768 { | |
| 3769 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3770 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3771 break; |
| 3772 } | |
| 557 | 3773 fd = mch_open((char *)IObuff, |
| 3774 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3775 if (fd < 0) /* can't write in directory */ |
| 3776 backup_copy = TRUE; | |
| 3777 else | |
| 3778 { | |
| 3779 # ifdef UNIX | |
| 557 | 3780 # ifdef HAVE_FCHOWN |
| 1757 | 3781 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3782 # endif |
| 7 | 3783 if (mch_stat((char *)IObuff, &st) < 0 |
| 3784 || st.st_uid != st_old.st_uid | |
| 3785 || st.st_gid != st_old.st_gid | |
| 1877 | 3786 || (long)st.st_mode != perm) |
| 7 | 3787 backup_copy = TRUE; |
| 3788 # endif | |
| 567 | 3789 /* Close the file before removing it, on MS-Windows we |
| 3790 * can't delete an open file. */ | |
| 3791 close(fd); | |
| 7 | 3792 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
|
3793 # 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
|
3794 /* 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
|
3795 * 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
|
3796 * second. */ |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3797 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3798 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
|
3799 |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3800 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
|
3801 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3802 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
|
3803 break; |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3804 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
|
3805 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
|
3806 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3807 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3808 # endif |
| 7 | 3809 } |
| 3810 } | |
| 3811 } | |
| 3812 | |
| 3813 /* | |
| 3814 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3815 */ | |
| 3816 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3817 { | |
|
4872
fa98c2b030ed
updated for version 7.3.1182
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parents:
4861
diff
changeset
|
3818 # ifdef UNIX |
| 7 | 3819 int lstat_res; |
| 3820 | |
| 3821 lstat_res = mch_lstat((char *)fname, &st); | |
| 3822 | |
| 3823 /* Symlinks. */ | |
| 3824 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3825 && lstat_res == 0 | |
| 3826 && st.st_ino != st_old.st_ino) | |
| 3827 backup_copy = FALSE; | |
| 3828 | |
| 3829 /* Hardlinks. */ | |
| 3830 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3831 && st_old.st_nlink > 1 | |
| 3832 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3833 backup_copy = FALSE; | |
|
4872
fa98c2b030ed
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4861
diff
changeset
|
3834 # else |
|
fa98c2b030ed
updated for version 7.3.1182
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changeset
|
3835 # if defined(WIN32) |
|
fa98c2b030ed
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|
3836 /* Symlinks. */ |
|
fa98c2b030ed
updated for version 7.3.1182
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diff
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|
3837 if ((bkc_flags & BKC_BREAKSYMLINK) && mch_is_symbolic_link(fname)) |
|
fa98c2b030ed
updated for version 7.3.1182
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diff
changeset
|
3838 backup_copy = FALSE; |
|
fa98c2b030ed
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Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
3839 |
|
fa98c2b030ed
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diff
changeset
|
3840 /* Hardlinks. */ |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3841 if ((bkc_flags & BKC_BREAKHARDLINK) && mch_is_hard_link(fname)) |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
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diff
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|
3842 backup_copy = FALSE; |
|
fa98c2b030ed
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diff
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|
3843 # endif |
|
fa98c2b030ed
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diff
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|
3844 # endif |
|
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parents:
4861
diff
changeset
|
3845 } |
| 7 | 3846 |
| 3847 #endif | |
| 3848 | |
| 3849 /* make sure we have a valid backup extension to use */ | |
| 3850 if (*p_bex == NUL) | |
| 3851 backup_ext = (char_u *)".bak"; | |
| 3852 else | |
| 3853 backup_ext = p_bex; | |
| 3854 | |
| 3855 if (backup_copy | |
| 3856 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3857 { | |
| 3858 int bfd; | |
| 3859 char_u *copybuf, *wp; | |
| 3860 int some_error = FALSE; | |
| 3861 struct stat st_new; | |
| 3862 char_u *dirp; | |
| 3863 char_u *rootname; | |
| 344 | 3864 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3865 int did_set_shortname; |
| 3866 #endif | |
| 3867 | |
| 3868 copybuf = alloc(BUFSIZE + 1); | |
| 3869 if (copybuf == NULL) | |
| 3870 { | |
| 3871 some_error = TRUE; /* out of memory */ | |
| 3872 goto nobackup; | |
| 3873 } | |
| 3874 | |
| 3875 /* | |
| 3876 * Try to make the backup in each directory in the 'bdir' option. | |
| 3877 * | |
| 3878 * Unix semantics has it, that we may have a writable file, | |
| 3879 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3880 * - the directory is not writable, | |
| 3881 * - the file may be a symbolic link, | |
| 3882 * - the file may belong to another user/group, etc. | |
| 3883 * | |
| 3884 * For these reasons, the existing writable file must be truncated | |
| 3885 * and reused. Creation of a backup COPY will be attempted. | |
| 3886 */ | |
| 3887 dirp = p_bdir; | |
| 3888 while (*dirp) | |
| 3889 { | |
| 3890 #ifdef UNIX | |
| 3891 st_new.st_ino = 0; | |
| 3892 st_new.st_dev = 0; | |
| 3893 st_new.st_gid = 0; | |
| 3894 #endif | |
| 3895 | |
| 3896 /* | |
| 3897 * Isolate one directory name, using an entry in 'bdir'. | |
| 3898 */ | |
| 3899 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3900 rootname = get_file_in_dir(fname, copybuf); | |
| 3901 if (rootname == NULL) | |
| 3902 { | |
| 3903 some_error = TRUE; /* out of memory */ | |
| 3904 goto nobackup; | |
| 3905 } | |
| 3906 | |
| 344 | 3907 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3908 did_set_shortname = FALSE; |
| 3909 #endif | |
| 3910 | |
| 3911 /* | |
| 3912 * May try twice if 'shortname' not set. | |
| 3913 */ | |
| 3914 for (;;) | |
| 3915 { | |
| 3916 /* | |
| 3917 * Make backup file name. | |
| 3918 */ | |
| 3919 backup = buf_modname( | |
| 3920 #ifdef SHORT_FNAME | |
| 3921 TRUE, | |
| 3922 #else | |
| 3923 (buf->b_p_sn || buf->b_shortname), | |
| 3924 #endif | |
| 3925 rootname, backup_ext, FALSE); | |
| 3926 if (backup == NULL) | |
| 3927 { | |
| 3928 vim_free(rootname); | |
| 3929 some_error = TRUE; /* out of memory */ | |
| 3930 goto nobackup; | |
| 3931 } | |
| 3932 | |
| 3933 /* | |
| 3934 * Check if backup file already exists. | |
| 3935 */ | |
| 3936 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3937 { | |
| 3938 #ifdef UNIX | |
| 3939 /* | |
| 3940 * Check if backup file is same as original file. | |
| 3941 * May happen when modname() gave the same file back. | |
| 3942 * E.g. silly link, or file name-length reached. | |
| 3943 * If we don't check here, we either ruin the file | |
| 3944 * when copying or erase it after writing. jw. | |
| 3945 */ | |
| 3946 if (st_new.st_dev == st_old.st_dev | |
| 3947 && st_new.st_ino == st_old.st_ino) | |
| 3948 { | |
| 3949 vim_free(backup); | |
| 3950 backup = NULL; /* no backup file to delete */ | |
| 3951 # ifndef SHORT_FNAME | |
| 3952 /* | |
| 3953 * may try again with 'shortname' set | |
| 3954 */ | |
| 3955 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3956 { | |
| 3957 buf->b_shortname = TRUE; | |
| 3958 did_set_shortname = TRUE; | |
| 3959 continue; | |
| 3960 } | |
| 3961 /* setting shortname didn't help */ | |
| 3962 if (did_set_shortname) | |
| 3963 buf->b_shortname = FALSE; | |
| 3964 # endif | |
| 3965 break; | |
| 3966 } | |
| 3967 #endif | |
| 3968 | |
| 3969 /* | |
| 3970 * If we are not going to keep the backup file, don't | |
| 3971 * delete an existing one, try to use another name. | |
| 3972 * Change one character, just before the extension. | |
| 3973 */ | |
| 3974 if (!p_bk) | |
| 3975 { | |
| 3976 wp = backup + STRLEN(backup) - 1 | |
| 3977 - STRLEN(backup_ext); | |
| 3978 if (wp < backup) /* empty file name ??? */ | |
| 3979 wp = backup; | |
| 3980 *wp = 'z'; | |
| 3981 while (*wp > 'a' | |
| 3982 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3983 --*wp; | |
| 3984 /* They all exist??? Must be something wrong. */ | |
| 3985 if (*wp == 'a') | |
| 3986 { | |
| 3987 vim_free(backup); | |
| 3988 backup = NULL; | |
| 3989 } | |
| 3990 } | |
| 3991 } | |
| 3992 break; | |
| 3993 } | |
| 3994 vim_free(rootname); | |
| 3995 | |
| 3996 /* | |
| 3997 * Try to create the backup file | |
| 3998 */ | |
| 3999 if (backup != NULL) | |
| 4000 { | |
| 4001 /* remove old backup, if present */ | |
| 4002 mch_remove(backup); | |
| 4003 /* Open with O_EXCL to avoid the file being created while | |
| 4004 * we were sleeping (symlink hacker attack?) */ | |
| 4005 bfd = mch_open((char *)backup, | |
| 557 | 4006 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 4007 perm & 0777); | |
| 7 | 4008 if (bfd < 0) |
| 4009 { | |
| 4010 vim_free(backup); | |
| 4011 backup = NULL; | |
| 4012 } | |
| 4013 else | |
| 4014 { | |
| 4015 /* set file protection same as original file, but | |
| 4016 * strip s-bit */ | |
| 4017 (void)mch_setperm(backup, perm & 0777); | |
| 4018 | |
| 4019 #ifdef UNIX | |
| 4020 /* | |
| 4021 * Try to set the group of the backup same as the | |
| 4022 * original file. If this fails, set the protection | |
| 4023 * bits for the group same as the protection bits for | |
| 4024 * others. | |
| 4025 */ | |
| 557 | 4026 if (st_new.st_gid != st_old.st_gid |
| 7 | 4027 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 4028 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 4029 # endif |
| 4030 ) | |
| 4031 mch_setperm(backup, | |
| 4032 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 4033 # ifdef HAVE_SELINUX |
| 4034 mch_copy_sec(fname, backup); | |
| 4035 # endif | |
| 7 | 4036 #endif |
| 4037 | |
| 4038 /* | |
| 4039 * copy the file. | |
| 4040 */ | |
| 4041 write_info.bw_fd = bfd; | |
| 4042 write_info.bw_buf = copybuf; | |
| 4043 #ifdef HAS_BW_FLAGS | |
| 4044 write_info.bw_flags = FIO_NOCONVERT; | |
| 4045 #endif | |
| 2664 | 4046 while ((write_info.bw_len = read_eintr(fd, copybuf, |
| 7 | 4047 BUFSIZE)) > 0) |
| 4048 { | |
| 4049 if (buf_write_bytes(&write_info) == FAIL) | |
| 4050 { | |
| 4051 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 4052 break; | |
| 4053 } | |
| 4054 ui_breakcheck(); | |
| 4055 if (got_int) | |
| 4056 { | |
| 4057 errmsg = (char_u *)_(e_interr); | |
| 4058 break; | |
| 4059 } | |
| 4060 } | |
| 4061 | |
| 4062 if (close(bfd) < 0 && errmsg == NULL) | |
| 4063 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 4064 if (write_info.bw_len < 0) | |
| 4065 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 4066 #ifdef UNIX | |
| 4067 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 4068 #endif | |
| 4069 #ifdef HAVE_ACL | |
| 4070 mch_set_acl(backup, acl); | |
| 4071 #endif | |
| 1583 | 4072 #ifdef HAVE_SELINUX |
| 4073 mch_copy_sec(fname, backup); | |
| 4074 #endif | |
| 7 | 4075 break; |
| 4076 } | |
| 4077 } | |
| 4078 } | |
| 4079 nobackup: | |
| 4080 close(fd); /* ignore errors for closing read file */ | |
| 4081 vim_free(copybuf); | |
| 4082 | |
| 4083 if (backup == NULL && errmsg == NULL) | |
| 4084 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 4085 /* ignore errors when forceit is TRUE */ | |
| 4086 if ((some_error || errmsg != NULL) && !forceit) | |
| 4087 { | |
| 4088 retval = FAIL; | |
| 4089 goto fail; | |
| 4090 } | |
| 4091 errmsg = NULL; | |
| 4092 } | |
| 4093 else | |
| 4094 { | |
| 4095 char_u *dirp; | |
| 4096 char_u *p; | |
| 4097 char_u *rootname; | |
| 4098 | |
| 4099 /* | |
| 4100 * Make a backup by renaming the original file. | |
| 4101 */ | |
| 4102 /* | |
| 4103 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 4104 * overwrite a read-only file. But rename may be possible | |
| 4105 * anyway, thus we need an extra check here. | |
| 4106 */ | |
| 4107 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 4108 { | |
| 4109 errnum = (char_u *)"E504: "; | |
| 4110 errmsg = (char_u *)_(err_readonly); | |
| 4111 goto fail; | |
| 4112 } | |
| 4113 | |
| 4114 /* | |
| 4115 * | |
| 4116 * Form the backup file name - change path/fo.o.h to | |
| 4117 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 4118 * that works is used. | |
| 4119 */ | |
| 4120 dirp = p_bdir; | |
| 4121 while (*dirp) | |
| 4122 { | |
| 4123 /* | |
| 4124 * Isolate one directory name and make the backup file name. | |
| 4125 */ | |
| 4126 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 4127 rootname = get_file_in_dir(fname, IObuff); | |
| 4128 if (rootname == NULL) | |
| 4129 backup = NULL; | |
| 4130 else | |
| 4131 { | |
| 4132 backup = buf_modname( | |
| 4133 #ifdef SHORT_FNAME | |
| 4134 TRUE, | |
| 4135 #else | |
| 4136 (buf->b_p_sn || buf->b_shortname), | |
| 4137 #endif | |
| 4138 rootname, backup_ext, FALSE); | |
| 4139 vim_free(rootname); | |
| 4140 } | |
| 4141 | |
| 4142 if (backup != NULL) | |
| 4143 { | |
| 4144 /* | |
| 4145 * If we are not going to keep the backup file, don't | |
| 4146 * delete an existing one, try to use another name. | |
| 4147 * Change one character, just before the extension. | |
| 4148 */ | |
| 4149 if (!p_bk && mch_getperm(backup) >= 0) | |
| 4150 { | |
| 4151 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 4152 if (p < backup) /* empty file name ??? */ | |
| 4153 p = backup; | |
| 4154 *p = 'z'; | |
| 4155 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 4156 --*p; | |
| 4157 /* They all exist??? Must be something wrong! */ | |
| 4158 if (*p == 'a') | |
| 4159 { | |
| 4160 vim_free(backup); | |
| 4161 backup = NULL; | |
| 4162 } | |
| 4163 } | |
| 4164 } | |
| 4165 if (backup != NULL) | |
| 4166 { | |
| 4167 /* | |
| 531 | 4168 * Delete any existing backup and move the current version |
| 4169 * to the backup. For safety, we don't remove the backup | |
| 4170 * until the write has finished successfully. And if the | |
| 4171 * 'backup' option is set, leave it around. | |
| 7 | 4172 */ |
| 4173 /* | |
| 4174 * If the renaming of the original file to the backup file | |
| 4175 * works, quit here. | |
| 4176 */ | |
| 4177 if (vim_rename(fname, backup) == 0) | |
| 4178 break; | |
| 4179 | |
| 4180 vim_free(backup); /* don't do the rename below */ | |
| 4181 backup = NULL; | |
| 4182 } | |
| 4183 } | |
| 4184 if (backup == NULL && !forceit) | |
| 4185 { | |
| 4186 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 4187 goto fail; | |
| 4188 } | |
| 4189 } | |
| 4190 } | |
| 4191 | |
| 4192 #if defined(UNIX) && !defined(ARCHIE) | |
| 4193 /* When using ":w!" and the file was read-only: make it writable */ | |
| 4194 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 4195 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 4196 { | |
| 4197 perm |= 0200; | |
| 4198 (void)mch_setperm(fname, perm); | |
| 4199 made_writable = TRUE; | |
| 4200 } | |
| 4201 #endif | |
| 4202 | |
| 819 | 4203 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 4204 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 4205 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 4206 { |
| 4207 buf->b_p_ro = FALSE; | |
| 4208 #ifdef FEAT_TITLE | |
| 4209 need_maketitle = TRUE; /* set window title later */ | |
| 4210 #endif | |
| 4211 #ifdef FEAT_WINDOWS | |
| 4212 status_redraw_all(); /* redraw status lines later */ | |
| 4213 #endif | |
| 4214 } | |
| 4215 | |
| 4216 if (end > buf->b_ml.ml_line_count) | |
| 4217 end = buf->b_ml.ml_line_count; | |
| 4218 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 4219 start = end + 1; | |
| 4220 | |
| 4221 /* | |
| 4222 * If the original file is being overwritten, there is a small chance that | |
| 4223 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 4224 * This makes all block numbers positive so that recovery does not need | |
| 4225 * the original file. | |
| 4226 * Don't do this if there is a backup file and we are exiting. | |
| 4227 */ | |
| 39 | 4228 if (reset_changed && !newfile && overwriting |
| 7 | 4229 && !(exiting && backup != NULL)) |
| 4230 { | |
| 4231 ml_preserve(buf, FALSE); | |
| 4232 if (got_int) | |
| 4233 { | |
| 4234 errmsg = (char_u *)_(e_interr); | |
| 4235 goto restore_backup; | |
| 4236 } | |
| 4237 } | |
| 4238 | |
| 4239 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4240 /* | |
| 4241 * Before risking to lose the original file verify if there's | |
| 4242 * a resource fork to preserve, and if cannot be done warn | |
| 4243 * the users. This happens when overwriting without backups. | |
| 4244 */ | |
| 4245 if (backup == NULL && overwriting && !append) | |
| 4246 if (mch_has_resource_fork(fname)) | |
| 4247 { | |
| 4248 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 4249 goto restore_backup; | |
| 4250 } | |
| 4251 #endif | |
| 4252 | |
| 4253 #ifdef VMS | |
| 4254 vms_remove_version(fname); /* remove version */ | |
| 4255 #endif | |
| 1651 | 4256 /* Default: write the file directly. May write to a temp file for |
| 7 | 4257 * multi-byte conversion. */ |
| 4258 wfname = fname; | |
| 4259 | |
| 4260 #ifdef FEAT_MBYTE | |
| 4261 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 4262 if (eap != NULL && eap->force_enc != 0) | |
| 4263 { | |
| 4264 fenc = eap->cmd + eap->force_enc; | |
| 4265 fenc = enc_canonize(fenc); | |
| 4266 fenc_tofree = fenc; | |
| 4267 } | |
| 4268 else | |
| 4269 fenc = buf->b_p_fenc; | |
| 4270 | |
| 4271 /* | |
| 1948 | 4272 * Check if the file needs to be converted. |
| 7 | 4273 */ |
| 1948 | 4274 converted = need_conversion(fenc); |
| 7 | 4275 |
| 4276 /* | |
| 4277 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4278 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4279 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4280 */ | |
| 4281 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4282 { | |
| 4283 wb_flags = get_fio_flags(fenc); | |
| 4284 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4285 { | |
| 4286 /* Need to allocate a buffer to translate into. */ | |
| 4287 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4288 write_info.bw_conv_buflen = bufsize * 2; | |
| 4289 else /* FIO_UCS4 */ | |
| 4290 write_info.bw_conv_buflen = bufsize * 4; | |
| 4291 write_info.bw_conv_buf | |
| 4292 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4293 if (write_info.bw_conv_buf == NULL) | |
| 4294 end = 0; | |
| 4295 } | |
| 4296 } | |
| 4297 | |
| 4298 # ifdef WIN3264 | |
| 4299 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4300 { | |
| 4301 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4302 write_info.bw_conv_buflen = bufsize * 4; | |
| 4303 write_info.bw_conv_buf | |
| 4304 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4305 if (write_info.bw_conv_buf == NULL) | |
| 4306 end = 0; | |
| 4307 } | |
| 4308 # endif | |
| 4309 | |
| 4310 # ifdef MACOS_X | |
| 4311 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4312 { | |
| 4313 write_info.bw_conv_buflen = bufsize * 3; | |
| 4314 write_info.bw_conv_buf | |
| 4315 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4316 if (write_info.bw_conv_buf == NULL) | |
| 4317 end = 0; | |
| 4318 } | |
| 4319 # endif | |
| 4320 | |
| 4321 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4322 if (converted && wb_flags == 0) | |
| 4323 { | |
| 4324 # ifdef USE_ICONV | |
| 4325 /* | |
| 4326 * Use iconv() conversion when conversion is needed and it's not done | |
| 4327 * internally. | |
| 4328 */ | |
| 4329 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4330 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4331 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4332 { | |
| 4333 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4334 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4335 write_info.bw_conv_buf | |
| 4336 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4337 if (write_info.bw_conv_buf == NULL) | |
| 4338 end = 0; | |
| 4339 write_info.bw_first = TRUE; | |
| 4340 } | |
| 4341 # ifdef FEAT_EVAL | |
| 4342 else | |
| 4343 # endif | |
| 4344 # endif | |
| 4345 | |
| 4346 # ifdef FEAT_EVAL | |
| 4347 /* | |
| 4348 * When the file needs to be converted with 'charconvert' after | |
| 4349 * writing, write to a temp file instead and let the conversion | |
| 4350 * overwrite the original file. | |
| 4351 */ | |
| 4352 if (*p_ccv != NUL) | |
| 4353 { | |
| 4354 wfname = vim_tempname('w'); | |
| 4355 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4356 { | |
| 4357 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4358 goto restore_backup; | |
| 4359 } | |
| 4360 } | |
| 4361 # endif | |
| 4362 } | |
| 4363 # endif | |
| 4364 if (converted && wb_flags == 0 | |
| 4365 # ifdef USE_ICONV | |
| 4366 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4367 # endif | |
| 4368 # ifdef FEAT_EVAL | |
| 4369 && wfname == fname | |
| 4370 # endif | |
| 4371 ) | |
| 4372 { | |
| 4373 if (!forceit) | |
| 4374 { | |
| 4375 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4376 goto restore_backup; | |
| 4377 } | |
| 4378 notconverted = TRUE; | |
| 4379 } | |
| 4380 #endif | |
| 4381 | |
| 4382 /* | |
| 4383 * Open the file "wfname" for writing. | |
| 4384 * We may try to open the file twice: If we can't write to the | |
| 4385 * file and forceit is TRUE we delete the existing file and try to create | |
| 4386 * a new one. If this still fails we may have lost the original file! | |
| 4387 * (this may happen when the user reached his quotum for number of files). | |
| 4388 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4389 */ | |
| 4390 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4391 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4392 : (O_CREAT | O_TRUNC)) | |
| 216 | 4393 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4394 { |
| 4395 /* | |
| 4396 * A forced write will try to create a new file if the old one is | |
| 4397 * still readonly. This may also happen when the directory is | |
| 4398 * read-only. In that case the mch_remove() will fail. | |
| 4399 */ | |
| 4400 if (errmsg == NULL) | |
| 4401 { | |
| 4402 #ifdef UNIX | |
| 4403 struct stat st; | |
| 4404 | |
| 4405 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4406 if ((!newfile && st_old.st_nlink > 1) | |
| 4407 || (mch_lstat((char *)fname, &st) == 0 | |
| 4408 && (st.st_dev != st_old.st_dev | |
| 4409 || st.st_ino != st_old.st_ino))) | |
| 4410 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4411 else | |
| 4412 #endif | |
| 4413 { | |
| 4414 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4415 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4416 && perm >= 0) | |
| 4417 { | |
| 4418 #ifdef UNIX | |
| 4419 /* we write to the file, thus it should be marked | |
| 4420 writable after all */ | |
| 4421 if (!(perm & 0200)) | |
| 4422 made_writable = TRUE; | |
| 4423 perm |= 0200; | |
| 4424 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4425 perm &= 0777; | |
| 4426 #endif | |
| 4427 if (!append) /* don't remove when appending */ | |
| 4428 mch_remove(wfname); | |
| 4429 continue; | |
| 4430 } | |
| 4431 } | |
| 4432 } | |
| 4433 | |
| 4434 restore_backup: | |
| 4435 { | |
| 4436 struct stat st; | |
| 4437 | |
| 4438 /* | |
| 4439 * If we failed to open the file, we don't need a backup. Throw it | |
| 4440 * away. If we moved or removed the original file try to put the | |
| 4441 * backup in its place. | |
| 4442 */ | |
| 4443 if (backup != NULL && wfname == fname) | |
| 4444 { | |
| 4445 if (backup_copy) | |
| 4446 { | |
| 4447 /* | |
| 4448 * There is a small chance that we removed the original, | |
| 4449 * try to move the copy in its place. | |
| 4450 * This may not work if the vim_rename() fails. | |
| 4451 * In that case we leave the copy around. | |
| 4452 */ | |
| 4453 /* If file does not exist, put the copy in its place */ | |
| 4454 if (mch_stat((char *)fname, &st) < 0) | |
| 4455 vim_rename(backup, fname); | |
| 4456 /* if original file does exist throw away the copy */ | |
| 4457 if (mch_stat((char *)fname, &st) >= 0) | |
| 4458 mch_remove(backup); | |
| 4459 } | |
| 4460 else | |
| 4461 { | |
| 4462 /* try to put the original file back */ | |
| 4463 vim_rename(backup, fname); | |
| 4464 } | |
| 4465 } | |
| 4466 | |
| 4467 /* if original file no longer exists give an extra warning */ | |
| 4468 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4469 end = 0; | |
| 4470 } | |
| 4471 | |
| 4472 #ifdef FEAT_MBYTE | |
| 4473 if (wfname != fname) | |
| 4474 vim_free(wfname); | |
| 4475 #endif | |
| 4476 goto fail; | |
| 4477 } | |
| 4478 errmsg = NULL; | |
| 4479 | |
| 4480 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4481 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4482 /* | |
| 4483 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4484 * This is done in order to preserve the resource fork and the |
| 4485 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4486 */ |
| 4487 if (backup != NULL && overwriting && !append) | |
| 4488 { | |
| 4489 if (backup_copy) | |
| 4490 (void)mch_copy_file_attribute(wfname, backup); | |
| 4491 else | |
| 4492 (void)mch_copy_file_attribute(backup, wfname); | |
| 4493 } | |
| 4494 | |
| 4495 if (!overwriting && !append) | |
| 4496 { | |
| 4497 if (buf->b_ffname != NULL) | |
| 4498 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4499 /* Should copy resource fork */ |
| 7 | 4500 } |
| 4501 #endif | |
| 4502 | |
| 4503 write_info.bw_fd = fd; | |
| 4504 | |
| 4505 #ifdef FEAT_CRYPT | |
| 2267 | 4506 if (*buf->b_p_key != NUL && !filtering) |
| 7 | 4507 { |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4508 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
|
4509 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
|
4510 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4511 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
|
4512 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
|
4513 end = 0; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4514 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4515 { |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4516 /* 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
|
4517 * 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
|
4518 * 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
|
4519 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
|
4520 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
|
4521 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
|
4522 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
|
4523 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
|
4524 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
|
4525 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
|
4526 } |
| 7 | 4527 } |
| 4528 #endif | |
| 4529 | |
| 4530 write_info.bw_buf = buffer; | |
| 4531 nchars = 0; | |
| 4532 | |
| 4533 /* use "++bin", "++nobin" or 'binary' */ | |
| 4534 if (eap != NULL && eap->force_bin != 0) | |
| 4535 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4536 else | |
| 4537 write_bin = buf->b_p_bin; | |
| 4538 | |
| 4539 #ifdef FEAT_MBYTE | |
| 4540 /* | |
| 4541 * The BOM is written just after the encryption magic number. | |
| 24 | 4542 * Skip it when appending and the file already existed, the BOM only makes |
| 4543 * sense at the start of the file. | |
| 7 | 4544 */ |
| 24 | 4545 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4546 { |
| 4547 write_info.bw_len = make_bom(buffer, fenc); | |
| 4548 if (write_info.bw_len > 0) | |
| 4549 { | |
| 4550 /* don't convert, do encryption */ | |
| 4551 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4552 if (buf_write_bytes(&write_info) == FAIL) | |
| 4553 end = 0; | |
| 4554 else | |
| 4555 nchars += write_info.bw_len; | |
| 4556 } | |
| 4557 } | |
| 1947 | 4558 write_info.bw_start_lnum = start; |
| 7 | 4559 #endif |
| 4560 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4561 #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
|
4562 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
|
4563 && !filtering && reset_changed); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4564 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
|
4565 /* 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
|
4566 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
|
4567 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4568 |
| 7 | 4569 write_info.bw_len = bufsize; |
| 4570 #ifdef HAS_BW_FLAGS | |
| 4571 write_info.bw_flags = wb_flags; | |
| 4572 #endif | |
| 4573 fileformat = get_fileformat_force(buf, eap); | |
| 4574 s = buffer; | |
| 4575 len = 0; | |
| 4576 for (lnum = start; lnum <= end; ++lnum) | |
| 4577 { | |
| 4578 /* | |
| 4579 * The next while loop is done once for each character written. | |
| 4580 * Keep it fast! | |
| 4581 */ | |
| 4582 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
|
4583 #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
|
4584 if (write_undo_file) |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4585 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
|
4586 #endif |
| 7 | 4587 while ((c = *++ptr) != NUL) |
| 4588 { | |
| 4589 if (c == NL) | |
| 4590 *s = NUL; /* replace newlines with NULs */ | |
| 4591 else if (c == CAR && fileformat == EOL_MAC) | |
| 4592 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4593 else | |
| 4594 *s = c; | |
| 4595 ++s; | |
| 4596 if (++len != bufsize) | |
| 4597 continue; | |
| 4598 if (buf_write_bytes(&write_info) == FAIL) | |
| 4599 { | |
| 4600 end = 0; /* write error: break loop */ | |
| 4601 break; | |
| 4602 } | |
| 4603 nchars += bufsize; | |
| 4604 s = buffer; | |
| 4605 len = 0; | |
| 1947 | 4606 #ifdef FEAT_MBYTE |
| 4607 write_info.bw_start_lnum = lnum; | |
| 4608 #endif | |
| 7 | 4609 } |
| 4610 /* write failed or last line has no EOL: stop here */ | |
| 4611 if (end == 0 | |
| 4612 || (lnum == end | |
| 4613 && write_bin | |
| 2707 | 4614 && (lnum == buf->b_no_eol_lnum |
| 7 | 4615 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) |
| 4616 { | |
| 4617 ++lnum; /* written the line, count it */ | |
| 4618 no_eol = TRUE; | |
| 4619 break; | |
| 4620 } | |
| 4621 if (fileformat == EOL_UNIX) | |
| 4622 *s++ = NL; | |
| 4623 else | |
| 4624 { | |
| 4625 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4626 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4627 { | |
| 4628 if (++len == bufsize) | |
| 4629 { | |
| 4630 if (buf_write_bytes(&write_info) == FAIL) | |
| 4631 { | |
| 4632 end = 0; /* write error: break loop */ | |
| 4633 break; | |
| 4634 } | |
| 4635 nchars += bufsize; | |
| 4636 s = buffer; | |
| 4637 len = 0; | |
| 4638 } | |
| 4639 *s++ = NL; | |
| 4640 } | |
| 4641 } | |
| 4642 if (++len == bufsize && end) | |
| 4643 { | |
| 4644 if (buf_write_bytes(&write_info) == FAIL) | |
| 4645 { | |
| 4646 end = 0; /* write error: break loop */ | |
| 4647 break; | |
| 4648 } | |
| 4649 nchars += bufsize; | |
| 4650 s = buffer; | |
| 4651 len = 0; | |
| 4652 | |
| 4653 ui_breakcheck(); | |
| 4654 if (got_int) | |
| 4655 { | |
| 4656 end = 0; /* Interrupted, break loop */ | |
| 4657 break; | |
| 4658 } | |
| 4659 } | |
| 4660 #ifdef VMS | |
| 4661 /* | |
| 4662 * On VMS there is a problem: newlines get added when writing blocks | |
| 4663 * at a time. Fix it by writing a line at a time. | |
| 4664 * This is much slower! | |
| 22 | 4665 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4666 * structures end with a newline (carriage return) character, and if | |
| 4667 * they don't it adds one. | |
| 4668 * With other RMS structures it works perfect without this fix. | |
| 7 | 4669 */ |
| 1431 | 4670 if (buf->b_fab_rfm == FAB$C_VFC |
| 4671 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4672 { |
| 4673 int b2write; | |
| 4674 | |
| 4675 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4676 ? MIN(4096, bufsize) | |
| 4677 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4678 | |
| 4679 b2write = len; | |
| 4680 while (b2write > 0) | |
| 7 | 4681 { |
| 22 | 4682 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4683 if (buf_write_bytes(&write_info) == FAIL) | |
| 4684 { | |
| 4685 end = 0; | |
| 4686 break; | |
| 4687 } | |
| 4688 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4689 } |
| 4690 write_info.bw_len = bufsize; | |
| 4691 nchars += len; | |
| 4692 s = buffer; | |
| 4693 len = 0; | |
| 4694 } | |
| 4695 #endif | |
| 4696 } | |
| 4697 if (len > 0 && end > 0) | |
| 4698 { | |
| 4699 write_info.bw_len = len; | |
| 4700 if (buf_write_bytes(&write_info) == FAIL) | |
| 4701 end = 0; /* write error */ | |
| 4702 nchars += len; | |
| 4703 } | |
| 4704 | |
| 4705 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4706 /* On many journalling file systems there is a bug that causes both the | |
| 4707 * original and the backup file to be lost when halting the system right | |
| 4708 * after writing the file. That's because only the meta-data is | |
| 4709 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4710 * been written to disk and we don't lose it. |
| 4711 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4712 * (could be a pipe). |
| 4713 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4714 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4715 { |
| 4716 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4717 end = 0; | |
| 4718 } | |
| 4719 #endif | |
| 4720 | |
| 1583 | 4721 #ifdef HAVE_SELINUX |
| 4722 /* Probably need to set the security context. */ | |
| 4723 if (!backup_copy) | |
| 4724 mch_copy_sec(backup, wfname); | |
| 4725 #endif | |
| 4726 | |
| 557 | 4727 #ifdef UNIX |
| 4728 /* When creating a new file, set its owner/group to that of the original | |
| 4729 * file. Get the new device and inode number. */ | |
| 4730 if (backup != NULL && !backup_copy) | |
| 4731 { | |
| 4732 # ifdef HAVE_FCHOWN | |
| 4733 struct stat st; | |
| 4734 | |
| 4735 /* don't change the owner when it's already OK, some systems remove | |
| 4736 * permission or ACL stuff */ | |
| 4737 if (mch_stat((char *)wfname, &st) < 0 | |
| 4738 || st.st_uid != st_old.st_uid | |
| 4739 || st.st_gid != st_old.st_gid) | |
| 4740 { | |
| 1757 | 4741 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4742 if (perm >= 0) /* set permission again, may have changed */ |
| 4743 (void)mch_setperm(wfname, perm); | |
| 4744 } | |
| 4745 # endif | |
| 4746 buf_setino(buf); | |
| 4747 } | |
| 1873 | 4748 else if (!buf->b_dev_valid) |
| 617 | 4749 /* Set the inode when creating a new file. */ |
| 4750 buf_setino(buf); | |
| 557 | 4751 #endif |
| 4752 | |
| 7 | 4753 if (close(fd) != 0) |
| 4754 { | |
| 4755 errmsg = (char_u *)_("E512: Close failed"); | |
| 4756 end = 0; | |
| 4757 } | |
| 4758 | |
| 4759 #ifdef UNIX | |
| 4760 if (made_writable) | |
| 4761 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4762 #endif | |
| 4763 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4764 (void)mch_setperm(wfname, perm); | |
| 4765 #ifdef HAVE_ACL | |
| 4766 /* Probably need to set the ACL before changing the user (can't set the | |
| 4767 * ACL on a file the user doesn't own). */ | |
| 4768 if (!backup_copy) | |
| 4769 mch_set_acl(wfname, acl); | |
| 4770 #endif | |
| 2267 | 4771 #ifdef FEAT_CRYPT |
| 2717 | 4772 crypt_method_used = use_crypt_method; |
| 2267 | 4773 if (wb_flags & FIO_ENCRYPTED) |
| 4774 crypt_pop_state(); | |
| 4775 #endif | |
| 7 | 4776 |
| 4777 | |
| 4778 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4779 if (wfname != fname) | |
| 4780 { | |
| 4781 /* | |
| 4782 * The file was written to a temp file, now it needs to be converted | |
| 4783 * with 'charconvert' to (overwrite) the output file. | |
| 4784 */ | |
| 4785 if (end != 0) | |
| 4786 { | |
| 4787 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4788 wfname, fname) == FAIL) | |
| 4789 { | |
| 4790 write_info.bw_conv_error = TRUE; | |
| 4791 end = 0; | |
| 4792 } | |
| 4793 } | |
| 4794 mch_remove(wfname); | |
| 4795 vim_free(wfname); | |
| 4796 } | |
| 4797 #endif | |
| 4798 | |
| 4799 if (end == 0) | |
| 4800 { | |
| 4801 if (errmsg == NULL) | |
| 4802 { | |
| 4803 #ifdef FEAT_MBYTE | |
| 4804 if (write_info.bw_conv_error) | |
| 1947 | 4805 { |
| 4806 if (write_info.bw_conv_error_lnum == 0) | |
| 4807 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4808 else | |
| 4809 { | |
| 4810 errmsg_allocated = TRUE; | |
| 4811 errmsg = alloc(300); | |
| 4812 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4813 (long)write_info.bw_conv_error_lnum); | |
| 4814 } | |
| 4815 } | |
| 7 | 4816 else |
| 4817 #endif | |
| 4818 if (got_int) | |
| 4819 errmsg = (char_u *)_(e_interr); | |
| 4820 else | |
| 4821 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4822 } | |
| 4823 | |
| 4824 /* | |
| 4825 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4826 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4827 * original file when trying to make a backup when writing the file a |
| 4828 * second time. | |
| 4829 * When "backup_copy" is set we need to copy the backup over the new | |
| 4830 * file. Otherwise rename the backup file. | |
| 4831 * If this is OK, don't give the extra warning message. | |
| 4832 */ | |
| 4833 if (backup != NULL) | |
| 4834 { | |
| 4835 if (backup_copy) | |
| 4836 { | |
| 4837 /* This may take a while, if we were interrupted let the user | |
| 4838 * know we got the message. */ | |
| 4839 if (got_int) | |
| 4840 { | |
| 4841 MSG(_(e_interr)); | |
| 4842 out_flush(); | |
| 4843 } | |
| 4844 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4845 { | |
| 4846 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4847 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4848 perm & 0777)) >= 0) | |
| 7 | 4849 { |
| 4850 /* copy the file. */ | |
| 4851 write_info.bw_buf = smallbuf; | |
| 4852 #ifdef HAS_BW_FLAGS | |
| 4853 write_info.bw_flags = FIO_NOCONVERT; | |
| 4854 #endif | |
| 2664 | 4855 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
| 7 | 4856 SMBUFSIZE)) > 0) |
| 4857 if (buf_write_bytes(&write_info) == FAIL) | |
| 4858 break; | |
| 4859 | |
| 4860 if (close(write_info.bw_fd) >= 0 | |
| 4861 && write_info.bw_len == 0) | |
| 4862 end = 1; /* success */ | |
| 4863 } | |
| 4864 close(fd); /* ignore errors for closing read file */ | |
| 4865 } | |
| 4866 } | |
| 4867 else | |
| 4868 { | |
| 4869 if (vim_rename(backup, fname) == 0) | |
| 4870 end = 1; | |
| 4871 } | |
| 4872 } | |
| 4873 goto fail; | |
| 4874 } | |
| 4875 | |
| 4876 lnum -= start; /* compute number of written lines */ | |
| 4877 --no_wait_return; /* may wait for return now */ | |
| 4878 | |
| 4879 #if !(defined(UNIX) || defined(VMS)) | |
| 4880 fname = sfname; /* use shortname now, for the messages */ | |
| 4881 #endif | |
| 4882 if (!filtering) | |
| 4883 { | |
| 4884 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4885 c = FALSE; | |
| 4886 #ifdef FEAT_MBYTE | |
| 4887 if (write_info.bw_conv_error) | |
| 4888 { | |
| 4889 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4890 c = TRUE; | |
| 1947 | 4891 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
|
4892 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
| 1947 | 4893 (long)write_info.bw_conv_error_lnum); |
| 7 | 4894 } |
| 4895 else if (notconverted) | |
| 4896 { | |
| 4897 STRCAT(IObuff, _("[NOT converted]")); | |
| 4898 c = TRUE; | |
| 4899 } | |
| 4900 else if (converted) | |
| 4901 { | |
| 4902 STRCAT(IObuff, _("[converted]")); | |
| 4903 c = TRUE; | |
| 4904 } | |
| 4905 #endif | |
| 4906 if (device) | |
| 4907 { | |
| 4908 STRCAT(IObuff, _("[Device]")); | |
| 4909 c = TRUE; | |
| 4910 } | |
| 4911 else if (newfile) | |
| 4912 { | |
| 4913 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4914 c = TRUE; | |
| 4915 } | |
| 4916 if (no_eol) | |
| 4917 { | |
| 4918 msg_add_eol(); | |
| 4919 c = TRUE; | |
| 4920 } | |
| 4921 /* may add [unix/dos/mac] */ | |
| 4922 if (msg_add_fileformat(fileformat)) | |
| 4923 c = TRUE; | |
| 4924 #ifdef FEAT_CRYPT | |
| 4925 if (wb_flags & FIO_ENCRYPTED) | |
| 4926 { | |
| 2717 | 4927 if (crypt_method_used == 1) |
| 4928 STRCAT(IObuff, _("[blowfish]")); | |
| 4929 else | |
| 4930 STRCAT(IObuff, _("[crypted]")); | |
| 7 | 4931 c = TRUE; |
| 4932 } | |
| 4933 #endif | |
| 4934 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4935 if (!shortmess(SHM_WRITE)) | |
| 4936 { | |
| 4937 if (append) | |
| 4938 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4939 else | |
| 4940 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4941 } | |
| 4942 | |
| 679 | 4943 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4944 } |
| 4945 | |
| 39 | 4946 /* When written everything correctly: reset 'modified'. Unless not |
| 4947 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4948 if (reset_changed && whole && !append |
| 7 | 4949 #ifdef FEAT_MBYTE |
| 4950 && !write_info.bw_conv_error | |
| 4951 #endif | |
| 39 | 4952 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4953 ) | |
| 7 | 4954 { |
| 4955 unchanged(buf, TRUE); | |
| 4956 u_unchanged(buf); | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4957 u_update_save_nr(buf); |
| 7 | 4958 } |
| 4959 | |
| 4960 /* | |
| 4961 * If written to the current file, update the timestamp of the swap file | |
| 4962 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4963 */ | |
| 4964 if (overwriting) | |
| 4965 { | |
| 4966 ml_timestamp(buf); | |
| 589 | 4967 if (append) |
| 4968 buf->b_flags &= ~BF_NEW; | |
| 4969 else | |
| 4970 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4971 } |
| 4972 | |
| 4973 /* | |
| 4974 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4975 * the backup file our 'original' file. | |
| 4976 */ | |
| 4977 if (*p_pm && dobackup) | |
| 4978 { | |
| 4979 char *org = (char *)buf_modname( | |
| 4980 #ifdef SHORT_FNAME | |
| 4981 TRUE, | |
| 4982 #else | |
| 4983 (buf->b_p_sn || buf->b_shortname), | |
| 4984 #endif | |
| 4985 fname, p_pm, FALSE); | |
| 4986 | |
| 4987 if (backup != NULL) | |
| 4988 { | |
| 4989 struct stat st; | |
| 4990 | |
| 4991 /* | |
| 4992 * If the original file does not exist yet | |
| 4993 * the current backup file becomes the original file | |
| 4994 */ | |
| 4995 if (org == NULL) | |
| 4996 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4997 else if (mch_stat(org, &st) < 0) | |
| 4998 { | |
| 4999 vim_rename(backup, (char_u *)org); | |
| 5000 vim_free(backup); /* don't delete the file */ | |
| 5001 backup = NULL; | |
| 5002 #ifdef UNIX | |
| 5003 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 5004 #endif | |
| 5005 } | |
| 5006 } | |
| 5007 /* | |
| 5008 * If there is no backup file, remember that a (new) file was | |
| 5009 * created. | |
| 5010 */ | |
| 5011 else | |
| 5012 { | |
| 5013 int empty_fd; | |
| 5014 | |
| 5015 if (org == NULL | |
| 557 | 5016 || (empty_fd = mch_open(org, |
| 5017 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 5018 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 5019 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 5020 else | |
| 5021 close(empty_fd); | |
| 5022 } | |
| 5023 if (org != NULL) | |
| 5024 { | |
| 5025 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 5026 vim_free(org); | |
| 5027 } | |
| 5028 } | |
| 5029 | |
| 5030 /* | |
| 5031 * Remove the backup unless 'backup' option is set | |
| 5032 */ | |
| 5033 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 5034 EMSG(_("E207: Can't delete backup file")); | |
| 5035 | |
| 5036 #ifdef FEAT_SUN_WORKSHOP | |
| 5037 if (usingSunWorkShop) | |
| 5038 workshop_file_saved((char *) ffname); | |
| 5039 #endif | |
| 5040 | |
| 5041 goto nofail; | |
| 5042 | |
| 5043 /* | |
| 5044 * Finish up. We get here either after failure or success. | |
| 5045 */ | |
| 5046 fail: | |
| 5047 --no_wait_return; /* may wait for return now */ | |
| 5048 nofail: | |
| 5049 | |
| 5050 /* Done saving, we accept changed buffer warnings again */ | |
| 5051 buf->b_saving = FALSE; | |
| 5052 | |
| 5053 vim_free(backup); | |
| 5054 if (buffer != smallbuf) | |
| 5055 vim_free(buffer); | |
| 5056 #ifdef FEAT_MBYTE | |
| 5057 vim_free(fenc_tofree); | |
| 5058 vim_free(write_info.bw_conv_buf); | |
| 5059 # ifdef USE_ICONV | |
| 5060 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 5061 { | |
| 5062 iconv_close(write_info.bw_iconv_fd); | |
| 5063 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 5064 } | |
| 5065 # endif | |
| 5066 #endif | |
| 5067 #ifdef HAVE_ACL | |
| 5068 mch_free_acl(acl); | |
| 5069 #endif | |
| 5070 | |
| 5071 if (errmsg != NULL) | |
| 5072 { | |
| 835 | 5073 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 5074 |
| 5075 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 5076 msg_add_fname(buf, | |
| 5077 #ifndef UNIX | |
| 5078 sfname | |
| 5079 #else | |
| 5080 fname | |
| 5081 #endif | |
| 5082 ); /* put file name in IObuff with quotes */ | |
| 5083 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 5084 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 5085 /* If the error message has the form "is ...", put the error number in | |
| 5086 * front of the file name. */ | |
| 5087 if (errnum != NULL) | |
| 5088 { | |
| 1620 | 5089 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 5090 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 5091 } | |
| 5092 STRCAT(IObuff, errmsg); | |
| 5093 emsg(IObuff); | |
| 1947 | 5094 if (errmsg_allocated) |
| 5095 vim_free(errmsg); | |
| 7 | 5096 |
| 5097 retval = FAIL; | |
| 5098 if (end == 0) | |
| 5099 { | |
| 5100 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 5101 attr | MSG_HIST); | |
| 5102 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 5103 attr | MSG_HIST); | |
| 5104 | |
| 5105 /* Update the timestamp to avoid an "overwrite changed file" | |
| 5106 * prompt when writing again. */ | |
| 5107 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 5108 { | |
| 5109 buf_store_time(buf, &st_old, fname); | |
| 5110 buf->b_mtime_read = buf->b_mtime; | |
| 5111 } | |
| 5112 } | |
| 5113 } | |
| 5114 msg_scroll = msg_save; | |
| 5115 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5116 #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
|
5117 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5118 * 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
|
5119 * file. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5120 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5121 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
|
5122 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5123 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
|
5124 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5125 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
|
5126 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
|
5127 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5128 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5129 |
| 7 | 5130 #ifdef FEAT_AUTOCMD |
| 5131 #ifdef FEAT_EVAL | |
| 5132 if (!should_abort(retval)) | |
| 5133 #else | |
| 5134 if (!got_int) | |
| 5135 #endif | |
| 5136 { | |
| 5137 aco_save_T aco; | |
| 5138 | |
| 3482 | 5139 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 5140 | |
| 7 | 5141 /* |
| 5142 * Apply POST autocommands. | |
| 5143 * Careful: The autocommands may call buf_write() recursively! | |
| 5144 */ | |
| 5145 aucmd_prepbuf(&aco, buf); | |
| 5146 | |
| 5147 if (append) | |
| 5148 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 5149 FALSE, curbuf, eap); | |
| 5150 else if (filtering) | |
| 5151 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 5152 FALSE, curbuf, eap); | |
| 5153 else if (reset_changed && whole) | |
| 5154 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 5155 FALSE, curbuf, eap); | |
| 5156 else | |
| 5157 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 5158 FALSE, curbuf, eap); | |
| 5159 | |
| 5160 /* restore curwin/curbuf and a few other things */ | |
| 5161 aucmd_restbuf(&aco); | |
| 5162 | |
| 5163 #ifdef FEAT_EVAL | |
| 5164 if (aborting()) /* autocmds may abort script processing */ | |
| 5165 retval = FALSE; | |
| 5166 #endif | |
| 5167 } | |
| 5168 #endif | |
| 5169 | |
| 5170 got_int |= prev_got_int; | |
| 5171 | |
| 5172 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 5173 /* Update machine specific information. */ | |
| 5174 mch_post_buffer_write(buf); | |
| 5175 #endif | |
| 5176 return retval; | |
| 5177 } | |
| 5178 | |
| 5179 /* | |
| 633 | 5180 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 5181 * name and a ":r" or ":w" command with a file name is used. | |
| 5182 */ | |
| 5183 static int | |
| 5184 set_rw_fname(fname, sfname) | |
| 5185 char_u *fname; | |
| 5186 char_u *sfname; | |
| 5187 { | |
| 5188 #ifdef FEAT_AUTOCMD | |
| 1905 | 5189 buf_T *buf = curbuf; |
| 5190 | |
| 633 | 5191 /* It's like the unnamed buffer is deleted.... */ |
| 5192 if (curbuf->b_p_bl) | |
| 5193 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 5194 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 5195 # ifdef FEAT_EVAL | |
| 5196 if (aborting()) /* autocmds may abort script processing */ | |
| 5197 return FAIL; | |
| 5198 # endif | |
| 1905 | 5199 if (curbuf != buf) |
| 5200 { | |
| 5201 /* We are in another buffer now, don't do the renaming. */ | |
| 5202 EMSG(_(e_auchangedbuf)); | |
| 5203 return FAIL; | |
| 5204 } | |
| 633 | 5205 #endif |
| 5206 | |
| 5207 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 5208 curbuf->b_flags |= BF_NOTEDITED; | |
| 5209 | |
| 5210 #ifdef FEAT_AUTOCMD | |
| 5211 /* ....and a new named one is created */ | |
| 5212 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 5213 if (curbuf->b_p_bl) | |
| 5214 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 5215 # ifdef FEAT_EVAL | |
| 5216 if (aborting()) /* autocmds may abort script processing */ | |
| 5217 return FAIL; | |
| 5218 # endif | |
| 5219 | |
| 5220 /* Do filetype detection now if 'filetype' is empty. */ | |
| 5221 if (*curbuf->b_p_ft == NUL) | |
| 5222 { | |
| 819 | 5223 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 5224 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 5225 do_modelines(0); |
| 633 | 5226 } |
| 5227 #endif | |
| 5228 | |
| 5229 return OK; | |
| 5230 } | |
| 5231 | |
| 5232 /* | |
| 7 | 5233 * Put file name into IObuff with quotes. |
| 5234 */ | |
| 33 | 5235 void |
| 7 | 5236 msg_add_fname(buf, fname) |
| 5237 buf_T *buf; | |
| 5238 char_u *fname; | |
| 5239 { | |
| 5240 if (fname == NULL) | |
| 5241 fname = (char_u *)"-stdin-"; | |
| 5242 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 5243 IObuff[0] = '"'; | |
| 5244 STRCAT(IObuff, "\" "); | |
| 5245 } | |
| 5246 | |
| 5247 /* | |
| 5248 * Append message for text mode to IObuff. | |
| 5249 * Return TRUE if something appended. | |
| 5250 */ | |
| 5251 static int | |
| 5252 msg_add_fileformat(eol_type) | |
| 5253 int eol_type; | |
| 5254 { | |
| 5255 #ifndef USE_CRNL | |
| 5256 if (eol_type == EOL_DOS) | |
| 5257 { | |
| 5258 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 5259 return TRUE; | |
| 5260 } | |
| 5261 #endif | |
| 5262 #ifndef USE_CR | |
| 5263 if (eol_type == EOL_MAC) | |
| 5264 { | |
| 5265 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 5266 return TRUE; | |
| 5267 } | |
| 5268 #endif | |
| 5269 #if defined(USE_CRNL) || defined(USE_CR) | |
| 5270 if (eol_type == EOL_UNIX) | |
| 5271 { | |
| 5272 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 5273 return TRUE; | |
| 5274 } | |
| 5275 #endif | |
| 5276 return FALSE; | |
| 5277 } | |
| 5278 | |
| 5279 /* | |
| 5280 * Append line and character count to IObuff. | |
| 5281 */ | |
| 33 | 5282 void |
| 7 | 5283 msg_add_lines(insert_space, lnum, nchars) |
| 5284 int insert_space; | |
| 5285 long lnum; | |
|
2241
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Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5286 off_t nchars; |
| 7 | 5287 { |
| 5288 char_u *p; | |
| 5289 | |
| 5290 p = IObuff + STRLEN(IObuff); | |
| 5291 | |
| 5292 if (insert_space) | |
| 5293 *p++ = ' '; | |
| 5294 if (shortmess(SHM_LINES)) | |
|
2241
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Correct use of long instead of off_t for file size. (James Vega)
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parents:
2239
diff
changeset
|
5295 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
|
5296 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
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parents:
2258
diff
changeset
|
5297 "%ldL, %lldC", lnum, nchars |
|
2241
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Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5298 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
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parents:
2258
diff
changeset
|
5299 /* 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
|
5300 "%ldL, %ldC", lnum, (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5301 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5302 ); |
| 7 | 5303 else |
| 5304 { | |
| 5305 if (lnum == 1) | |
| 5306 STRCPY(p, _("1 line, ")); | |
| 5307 else | |
| 5308 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 5309 p += STRLEN(p); | |
| 5310 if (nchars == 1) | |
| 5311 STRCPY(p, _("1 character")); | |
| 5312 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
|
5313 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
|
5314 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5315 _("%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
|
5316 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5317 /* 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
|
5318 _("%ld characters"), (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5319 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5320 ); |
| 7 | 5321 } |
| 5322 } | |
| 5323 | |
| 5324 /* | |
| 5325 * Append message for missing line separator to IObuff. | |
| 5326 */ | |
| 5327 static void | |
| 5328 msg_add_eol() | |
| 5329 { | |
| 5330 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5331 } | |
| 5332 | |
| 5333 /* | |
| 5334 * Check modification time of file, before writing to it. | |
| 5335 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5336 * using the same timestamp but can't set the size. | |
| 5337 */ | |
| 5338 static int | |
| 5339 check_mtime(buf, st) | |
| 5340 buf_T *buf; | |
| 5341 struct stat *st; | |
| 5342 { | |
| 5343 if (buf->b_mtime_read != 0 | |
| 5344 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5345 { | |
| 5346 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5347 msg_silent = 0; /* must give this prompt */ | |
| 5348 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5349 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5350 hl_attr(HLF_E)); | |
| 5351 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5352 TRUE) == 'n') | |
| 5353 return FAIL; | |
| 5354 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5355 } | |
| 5356 return OK; | |
| 5357 } | |
| 5358 | |
| 5359 static int | |
| 5360 time_differs(t1, t2) | |
| 5361 long t1, t2; | |
| 5362 { | |
| 5363 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5364 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5365 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5366 * time may change unexpectedly by one second!!! */ | |
| 5367 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5368 #else | |
| 5369 return (t1 != t2); | |
| 5370 #endif | |
| 5371 } | |
| 5372 | |
| 5373 /* | |
| 5374 * Call write() to write a number of bytes to the file. | |
| 2664 | 5375 * Handles encryption and 'encoding' conversion. |
| 7 | 5376 * |
| 5377 * Return FAIL for failure, OK otherwise. | |
| 5378 */ | |
| 5379 static int | |
| 5380 buf_write_bytes(ip) | |
| 5381 struct bw_info *ip; | |
| 5382 { | |
| 5383 int wlen; | |
| 5384 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5385 int len = ip->bw_len; /* length of data */ | |
| 5386 #ifdef HAS_BW_FLAGS | |
| 5387 int flags = ip->bw_flags; /* extra flags */ | |
| 5388 #endif | |
| 5389 | |
| 5390 #ifdef FEAT_MBYTE | |
| 5391 /* | |
| 5392 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5393 */ | |
| 5394 if (!(flags & FIO_NOCONVERT)) | |
| 5395 { | |
| 5396 char_u *p; | |
| 5397 unsigned c; | |
| 5398 int n; | |
| 5399 | |
| 5400 if (flags & FIO_UTF8) | |
| 5401 { | |
| 5402 /* | |
| 5403 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5404 */ | |
| 5405 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5406 for (wlen = 0; wlen < len; ++wlen) | |
| 5407 p += utf_char2bytes(buf[wlen], p); | |
| 5408 buf = ip->bw_conv_buf; | |
| 5409 len = (int)(p - ip->bw_conv_buf); | |
| 5410 } | |
| 5411 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5412 { | |
| 5413 /* | |
| 5414 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5415 * Latin1 chars in the file. | |
| 5416 */ | |
| 5417 if (flags & FIO_LATIN1) | |
| 5418 p = buf; /* translate in-place (can only get shorter) */ | |
| 5419 else | |
| 5420 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5421 for (wlen = 0; wlen < len; wlen += n) | |
| 5422 { | |
| 5423 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5424 { | |
| 5425 int l; | |
| 5426 | |
| 5427 /* Use remainder of previous call. Append the start of | |
| 5428 * buf[] to get a full sequence. Might still be too | |
| 5429 * short! */ | |
| 5430 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5431 if (l > len) | |
| 5432 l = len; | |
| 5433 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5434 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5435 if (n > ip->bw_restlen + len) |
| 5436 { | |
| 5437 /* We have an incomplete byte sequence at the end to | |
| 5438 * be written. We can't convert it without the | |
| 5439 * remaining bytes. Keep them for the next call. */ | |
| 5440 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5441 return FAIL; | |
| 5442 ip->bw_restlen += len; | |
| 5443 break; | |
| 5444 } | |
| 5445 if (n > 1) | |
| 5446 c = utf_ptr2char(ip->bw_rest); | |
| 5447 else | |
| 5448 c = ip->bw_rest[0]; | |
| 5449 if (n >= ip->bw_restlen) | |
| 5450 { | |
| 5451 n -= ip->bw_restlen; | |
| 5452 ip->bw_restlen = 0; | |
| 5453 } | |
| 5454 else | |
| 5455 { | |
| 5456 ip->bw_restlen -= n; | |
| 5457 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5458 (size_t)ip->bw_restlen); | |
| 5459 n = 0; | |
| 5460 } | |
| 5461 } | |
| 5462 else | |
| 5463 { | |
| 474 | 5464 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5465 if (n > len - wlen) |
| 5466 { | |
| 5467 /* We have an incomplete byte sequence at the end to | |
| 5468 * be written. We can't convert it without the | |
| 5469 * remaining bytes. Keep them for the next call. */ | |
| 5470 if (len - wlen > CONV_RESTLEN) | |
| 5471 return FAIL; | |
| 5472 ip->bw_restlen = len - wlen; | |
| 5473 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5474 (size_t)ip->bw_restlen); | |
| 5475 break; | |
| 5476 } | |
| 5477 if (n > 1) | |
| 5478 c = utf_ptr2char(buf + wlen); | |
| 5479 else | |
| 5480 c = buf[wlen]; | |
| 5481 } | |
| 5482 | |
| 1947 | 5483 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5484 { | |
| 5485 ip->bw_conv_error = TRUE; | |
| 5486 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5487 } | |
| 5488 if (c == NL) | |
| 5489 ++ip->bw_start_lnum; | |
| 7 | 5490 } |
| 5491 if (flags & FIO_LATIN1) | |
| 5492 len = (int)(p - buf); | |
| 5493 else | |
| 5494 { | |
| 5495 buf = ip->bw_conv_buf; | |
| 5496 len = (int)(p - ip->bw_conv_buf); | |
| 5497 } | |
| 5498 } | |
| 5499 | |
| 5500 # ifdef WIN3264 | |
| 5501 else if (flags & FIO_CODEPAGE) | |
| 5502 { | |
| 5503 /* | |
| 5504 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5505 * codepage. | |
| 5506 */ | |
| 5507 char_u *from; | |
| 5508 size_t fromlen; | |
| 5509 char_u *to; | |
| 5510 int u8c; | |
| 5511 BOOL bad = FALSE; | |
| 5512 int needed; | |
| 5513 | |
| 5514 if (ip->bw_restlen > 0) | |
| 5515 { | |
| 5516 /* Need to concatenate the remainder of the previous call and | |
| 5517 * the bytes of the current call. Use the end of the | |
| 5518 * conversion buffer for this. */ | |
| 5519 fromlen = len + ip->bw_restlen; | |
| 5520 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5521 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5522 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5523 } | |
| 5524 else | |
| 5525 { | |
| 5526 from = buf; | |
| 5527 fromlen = len; | |
| 5528 } | |
| 5529 | |
| 5530 to = ip->bw_conv_buf; | |
| 5531 if (enc_utf8) | |
| 5532 { | |
| 5533 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5534 * The buffer has been allocated to be big enough. */ | |
| 5535 while (fromlen > 0) | |
| 5536 { | |
| 835 | 5537 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5538 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5539 break; | |
| 5540 u8c = utf_ptr2char(from); | |
| 5541 *to++ = (u8c & 0xff); | |
| 5542 *to++ = (u8c >> 8); | |
| 5543 fromlen -= n; | |
| 5544 from += n; | |
| 5545 } | |
| 5546 | |
| 5547 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5548 * call. */ | |
| 5549 if (fromlen > CONV_RESTLEN) | |
| 5550 { | |
| 5551 /* weird overlong sequence */ | |
| 5552 ip->bw_conv_error = TRUE; | |
| 5553 return FAIL; | |
| 5554 } | |
| 5555 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5556 ip->bw_restlen = (int)fromlen; |
| 7 | 5557 } |
| 5558 else | |
| 5559 { | |
| 5560 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5561 * buffer. The buffer has been allocated to be big enough. */ | |
| 5562 ip->bw_restlen = 0; | |
| 5563 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5564 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5565 NULL, 0); |
| 5566 if (needed == 0) | |
| 5567 { | |
| 5568 /* When conversion fails there may be a trailing byte. */ | |
| 5569 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5570 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5571 NULL, 0); |
| 5572 if (needed == 0) | |
| 5573 { | |
| 5574 /* Conversion doesn't work. */ | |
| 5575 ip->bw_conv_error = TRUE; | |
| 5576 return FAIL; | |
| 5577 } | |
| 5578 /* Save the trailing byte for the next call. */ | |
| 5579 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5580 ip->bw_restlen = 1; | |
| 5581 } | |
| 5582 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5583 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5584 (LPWSTR)to, needed); |
| 5585 if (needed == 0) | |
| 5586 { | |
| 5587 /* Safety check: Conversion doesn't work. */ | |
| 5588 ip->bw_conv_error = TRUE; | |
| 5589 return FAIL; | |
| 5590 } | |
| 5591 to += needed * 2; | |
| 5592 } | |
| 5593 | |
| 5594 fromlen = to - ip->bw_conv_buf; | |
| 5595 buf = to; | |
| 5596 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5597 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5598 { | |
| 5599 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5600 * conversion buffer. Fails when out of space. */ | |
| 5601 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5602 { | |
| 5603 u8c = *from++; | |
| 5604 u8c += (*from++ << 8); | |
| 5605 to += utf_char2bytes(u8c, to); | |
| 5606 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5607 { | |
| 5608 ip->bw_conv_error = TRUE; | |
| 5609 return FAIL; | |
| 5610 } | |
| 5611 } | |
| 835 | 5612 len = (int)(to - buf); |
| 7 | 5613 } |
| 5614 else | |
| 5615 #endif | |
| 5616 { | |
| 5617 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5618 * the conversion buffer. If the conversion uses the default | |
| 5619 * character "0", the data doesn't fit in this encoding, so | |
| 5620 * fail. */ | |
| 5621 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5622 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5623 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5624 &bad); | |
| 7 | 5625 if (bad) |
| 5626 { | |
| 5627 ip->bw_conv_error = TRUE; | |
| 5628 return FAIL; | |
| 5629 } | |
| 5630 } | |
| 5631 } | |
| 5632 # endif | |
| 5633 | |
| 765 | 5634 # ifdef MACOS_CONVERT |
| 7 | 5635 else if (flags & FIO_MACROMAN) |
| 5636 { | |
| 5637 /* | |
| 5638 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5639 */ | |
| 5640 char_u *from; | |
| 5641 size_t fromlen; | |
| 5642 | |
| 5643 if (ip->bw_restlen > 0) | |
| 5644 { | |
| 5645 /* Need to concatenate the remainder of the previous call and | |
| 5646 * the bytes of the current call. Use the end of the | |
| 5647 * conversion buffer for this. */ | |
| 5648 fromlen = len + ip->bw_restlen; | |
| 5649 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5650 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5651 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5652 } | |
| 5653 else | |
| 5654 { | |
| 5655 from = buf; | |
| 5656 fromlen = len; | |
| 5657 } | |
| 5658 | |
| 18 | 5659 if (enc2macroman(from, fromlen, |
| 5660 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5661 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5662 { |
| 5663 ip->bw_conv_error = TRUE; | |
| 5664 return FAIL; | |
| 5665 } | |
| 5666 buf = ip->bw_conv_buf; | |
| 5667 } | |
| 5668 # endif | |
| 5669 | |
| 5670 # ifdef USE_ICONV | |
| 5671 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5672 { | |
| 5673 const char *from; | |
| 5674 size_t fromlen; | |
| 5675 char *to; | |
| 5676 size_t tolen; | |
| 5677 | |
| 5678 /* Convert with iconv(). */ | |
| 5679 if (ip->bw_restlen > 0) | |
| 5680 { | |
| 1836 | 5681 char *fp; |
| 5682 | |
| 7 | 5683 /* Need to concatenate the remainder of the previous call and |
| 5684 * the bytes of the current call. Use the end of the | |
| 5685 * conversion buffer for this. */ | |
| 5686 fromlen = len + ip->bw_restlen; | |
| 1836 | 5687 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5688 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5689 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5690 from = fp; | |
| 7 | 5691 tolen = ip->bw_conv_buflen - fromlen; |
| 5692 } | |
| 5693 else | |
| 5694 { | |
| 5695 from = (const char *)buf; | |
| 5696 fromlen = len; | |
| 5697 tolen = ip->bw_conv_buflen; | |
| 5698 } | |
| 5699 to = (char *)ip->bw_conv_buf; | |
| 5700 | |
| 5701 if (ip->bw_first) | |
| 5702 { | |
| 5703 size_t save_len = tolen; | |
| 5704 | |
| 5705 /* output the initial shift state sequence */ | |
| 5706 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5707 | |
| 5708 /* There is a bug in iconv() on Linux (which appears to be | |
| 5709 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5710 */ | |
| 5711 if (to == NULL) | |
| 5712 { | |
| 5713 to = (char *)ip->bw_conv_buf; | |
| 5714 tolen = save_len; | |
| 5715 } | |
| 5716 ip->bw_first = FALSE; | |
| 5717 } | |
| 5718 | |
| 5719 /* | |
| 5720 * If iconv() has an error or there is not enough room, fail. | |
| 5721 */ | |
| 5722 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5723 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5724 || fromlen > CONV_RESTLEN) | |
| 5725 { | |
| 5726 ip->bw_conv_error = TRUE; | |
| 5727 return FAIL; | |
| 5728 } | |
| 5729 | |
| 5730 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5731 if (fromlen > 0) | |
| 5732 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5733 ip->bw_restlen = (int)fromlen; | |
| 5734 | |
| 5735 buf = ip->bw_conv_buf; | |
| 5736 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5737 } | |
| 5738 # endif | |
| 5739 } | |
| 5740 #endif /* FEAT_MBYTE */ | |
| 5741 | |
| 5742 #ifdef FEAT_CRYPT | |
| 5743 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 2244 | 5744 crypt_encode(buf, len, buf); |
| 7 | 5745 #endif |
| 5746 | |
| 2664 | 5747 wlen = write_eintr(ip->bw_fd, buf, len); |
| 5748 return (wlen < len) ? FAIL : OK; | |
| 7 | 5749 } |
| 5750 | |
| 5751 #ifdef FEAT_MBYTE | |
| 5752 /* | |
| 5753 * Convert a Unicode character to bytes. | |
| 1947 | 5754 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5755 */ |
| 5756 static int | |
| 5757 ucs2bytes(c, pp, flags) | |
| 5758 unsigned c; /* in: character */ | |
| 5759 char_u **pp; /* in/out: pointer to result */ | |
| 5760 int flags; /* FIO_ flags */ | |
| 5761 { | |
| 5762 char_u *p = *pp; | |
| 5763 int error = FALSE; | |
| 5764 int cc; | |
| 5765 | |
| 5766 | |
| 5767 if (flags & FIO_UCS4) | |
| 5768 { | |
| 5769 if (flags & FIO_ENDIAN_L) | |
| 5770 { | |
| 5771 *p++ = c; | |
| 5772 *p++ = (c >> 8); | |
| 5773 *p++ = (c >> 16); | |
| 5774 *p++ = (c >> 24); | |
| 5775 } | |
| 5776 else | |
| 5777 { | |
| 5778 *p++ = (c >> 24); | |
| 5779 *p++ = (c >> 16); | |
| 5780 *p++ = (c >> 8); | |
| 5781 *p++ = c; | |
| 5782 } | |
| 5783 } | |
| 5784 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5785 { | |
| 5786 if (c >= 0x10000) | |
| 5787 { | |
| 5788 if (flags & FIO_UTF16) | |
| 5789 { | |
| 5790 /* Make two words, ten bits of the character in each. First | |
| 5791 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5792 c -= 0x10000; | |
| 5793 if (c >= 0x100000) | |
| 5794 error = TRUE; | |
| 5795 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5796 if (flags & FIO_ENDIAN_L) | |
| 5797 { | |
| 5798 *p++ = cc; | |
| 5799 *p++ = ((unsigned)cc >> 8); | |
| 5800 } | |
| 5801 else | |
| 5802 { | |
| 5803 *p++ = ((unsigned)cc >> 8); | |
| 5804 *p++ = cc; | |
| 5805 } | |
| 5806 c = (c & 0x3ff) + 0xdc00; | |
| 5807 } | |
| 5808 else | |
| 5809 error = TRUE; | |
| 5810 } | |
| 5811 if (flags & FIO_ENDIAN_L) | |
| 5812 { | |
| 5813 *p++ = c; | |
| 5814 *p++ = (c >> 8); | |
| 5815 } | |
| 5816 else | |
| 5817 { | |
| 5818 *p++ = (c >> 8); | |
| 5819 *p++ = c; | |
| 5820 } | |
| 5821 } | |
| 5822 else /* Latin1 */ | |
| 5823 { | |
| 5824 if (c >= 0x100) | |
| 5825 { | |
| 5826 error = TRUE; | |
| 5827 *p++ = 0xBF; | |
| 5828 } | |
| 5829 else | |
| 5830 *p++ = c; | |
| 5831 } | |
| 5832 | |
| 5833 *pp = p; | |
| 5834 return error; | |
| 5835 } | |
| 5836 | |
| 5837 /* | |
| 1948 | 5838 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5839 * 'encoding'. | |
| 7 | 5840 */ |
| 5841 static int | |
| 1948 | 5842 need_conversion(fenc) |
| 5843 char_u *fenc; | |
| 7 | 5844 { |
| 1948 | 5845 int same_encoding; |
| 5846 int enc_flags; | |
| 5847 int fenc_flags; | |
| 5848 | |
| 5849 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
|
2217
120502692d82
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Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5850 { |
| 1948 | 5851 same_encoding = TRUE; |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5852 fenc_flags = 0; |
|
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5853 } |
| 1948 | 5854 else |
| 5855 { | |
| 5856 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5857 * "ucs-4be", etc. */ | |
| 5858 enc_flags = get_fio_flags(p_enc); | |
| 5859 fenc_flags = get_fio_flags(fenc); | |
| 5860 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5861 } | |
| 5862 if (same_encoding) | |
| 5863 { | |
| 5864 /* Specified encoding matches with 'encoding'. This requires | |
| 5865 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5866 return enc_unicode != 0; | |
| 5867 } | |
| 5868 | |
| 5869 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5870 * Unicode encoding and the file is UTF-8. */ | |
| 5871 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5872 } |
| 5873 | |
| 5874 /* | |
| 5875 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5876 * internal conversion. | |
| 5877 * if "ptr" is an empty string, use 'encoding'. | |
| 5878 */ | |
| 5879 static int | |
| 5880 get_fio_flags(ptr) | |
| 5881 char_u *ptr; | |
| 5882 { | |
| 5883 int prop; | |
| 5884 | |
| 5885 if (*ptr == NUL) | |
| 5886 ptr = p_enc; | |
| 5887 | |
| 5888 prop = enc_canon_props(ptr); | |
| 5889 if (prop & ENC_UNICODE) | |
| 5890 { | |
| 5891 if (prop & ENC_2BYTE) | |
| 5892 { | |
| 5893 if (prop & ENC_ENDIAN_L) | |
| 5894 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5895 return FIO_UCS2; | |
| 5896 } | |
| 5897 if (prop & ENC_4BYTE) | |
| 5898 { | |
| 5899 if (prop & ENC_ENDIAN_L) | |
| 5900 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5901 return FIO_UCS4; | |
| 5902 } | |
| 5903 if (prop & ENC_2WORD) | |
| 5904 { | |
| 5905 if (prop & ENC_ENDIAN_L) | |
| 5906 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5907 return FIO_UTF16; | |
| 5908 } | |
| 5909 return FIO_UTF8; | |
| 5910 } | |
| 5911 if (prop & ENC_LATIN1) | |
| 5912 return FIO_LATIN1; | |
| 5913 /* must be ENC_DBCS, requires iconv() */ | |
| 5914 return 0; | |
| 5915 } | |
| 5916 | |
| 5917 #ifdef WIN3264 | |
| 5918 /* | |
| 5919 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5920 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5921 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5922 */ | |
| 5923 static int | |
| 5924 get_win_fio_flags(ptr) | |
| 5925 char_u *ptr; | |
| 5926 { | |
| 5927 int cp; | |
| 5928 | |
| 5929 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5930 if (!enc_utf8 && enc_codepage <= 0) | |
| 5931 return 0; | |
| 5932 | |
| 5933 cp = encname2codepage(ptr); | |
| 5934 if (cp == 0) | |
| 5935 { | |
| 5936 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5937 if (STRCMP(ptr, "utf-8") == 0) | |
| 5938 cp = CP_UTF8; | |
| 5939 else | |
| 5940 # endif | |
| 5941 return 0; | |
| 5942 } | |
| 5943 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5944 } | |
| 5945 #endif | |
| 5946 | |
| 5947 #ifdef MACOS_X | |
| 5948 /* | |
| 5949 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5950 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5951 */ | |
| 5952 static int | |
| 5953 get_mac_fio_flags(ptr) | |
| 5954 char_u *ptr; | |
| 5955 { | |
| 5956 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5957 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5958 return FIO_MACROMAN; | |
| 5959 return 0; | |
| 5960 } | |
| 5961 #endif | |
| 5962 | |
| 5963 /* | |
| 5964 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5965 * "size" must be at least 2. | |
| 5966 * Return the name of the encoding and set "*lenp" to the length. | |
| 5967 * Returns NULL when no BOM found. | |
| 5968 */ | |
| 5969 static char_u * | |
| 5970 check_for_bom(p, size, lenp, flags) | |
| 5971 char_u *p; | |
| 5972 long size; | |
| 5973 int *lenp; | |
| 5974 int flags; | |
| 5975 { | |
| 5976 char *name = NULL; | |
| 5977 int len = 2; | |
| 5978 | |
| 5979 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5980 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5981 { |
| 5982 name = "utf-8"; /* EF BB BF */ | |
| 5983 len = 3; | |
| 5984 } | |
| 5985 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5986 { | |
| 5987 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5988 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5989 { | |
| 5990 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5991 len = 4; | |
| 5992 } | |
| 1735 | 5993 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5994 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5995 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5996 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5997 name = "utf-16le"; /* FF FE */ |
| 5998 } | |
| 5999 else if (p[0] == 0xfe && p[1] == 0xff | |
| 6000 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 6001 { | |
| 1547 | 6002 /* Default to utf-16, it works also for ucs-2 text. */ |
| 6003 if (flags == FIO_UCS2) | |
| 6004 name = "ucs-2"; /* FE FF */ | |
| 6005 else | |
| 7 | 6006 name = "utf-16"; /* FE FF */ |
| 6007 } | |
| 6008 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 6009 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 6010 { | |
| 6011 name = "ucs-4"; /* 00 00 FE FF */ | |
| 6012 len = 4; | |
| 6013 } | |
| 6014 | |
| 6015 *lenp = len; | |
| 6016 return (char_u *)name; | |
| 6017 } | |
| 6018 | |
| 6019 /* | |
| 6020 * Generate a BOM in "buf[4]" for encoding "name". | |
| 6021 * Return the length of the BOM (zero when no BOM). | |
| 6022 */ | |
| 6023 static int | |
| 6024 make_bom(buf, name) | |
| 6025 char_u *buf; | |
| 6026 char_u *name; | |
| 6027 { | |
| 6028 int flags; | |
| 6029 char_u *p; | |
| 6030 | |
| 6031 flags = get_fio_flags(name); | |
| 6032 | |
| 6033 /* Can't put a BOM in a non-Unicode file. */ | |
| 6034 if (flags == FIO_LATIN1 || flags == 0) | |
| 6035 return 0; | |
| 6036 | |
| 6037 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 6038 { | |
| 6039 buf[0] = 0xef; | |
| 6040 buf[1] = 0xbb; | |
| 6041 buf[2] = 0xbf; | |
| 6042 return 3; | |
| 6043 } | |
| 6044 p = buf; | |
| 6045 (void)ucs2bytes(0xfeff, &p, flags); | |
| 6046 return (int)(p - buf); | |
| 6047 } | |
| 6048 #endif | |
| 6049 | |
| 1418 | 6050 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 6051 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 6052 /* |
| 6053 * Try to find a shortname by comparing the fullname with the current | |
| 6054 * directory. | |
| 1411 | 6055 * Returns "full_path" or pointer into "full_path" if shortened. |
| 6056 */ | |
| 6057 char_u * | |
| 6058 shorten_fname1(full_path) | |
| 6059 char_u *full_path; | |
| 6060 { | |
| 2770 | 6061 char_u *dirname; |
| 1411 | 6062 char_u *p = full_path; |
| 6063 | |
| 2770 | 6064 dirname = alloc(MAXPATHL); |
| 6065 if (dirname == NULL) | |
| 6066 return full_path; | |
| 1411 | 6067 if (mch_dirname(dirname, MAXPATHL) == OK) |
| 6068 { | |
| 6069 p = shorten_fname(full_path, dirname); | |
| 6070 if (p == NULL || *p == NUL) | |
| 6071 p = full_path; | |
| 6072 } | |
| 2770 | 6073 vim_free(dirname); |
| 1411 | 6074 return p; |
| 6075 } | |
| 1418 | 6076 #endif |
| 1411 | 6077 |
| 6078 /* | |
| 6079 * Try to find a shortname by comparing the fullname with the current | |
| 6080 * directory. | |
| 7 | 6081 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 6082 * otherwise. | |
| 6083 */ | |
| 6084 char_u * | |
| 6085 shorten_fname(full_path, dir_name) | |
| 6086 char_u *full_path; | |
| 6087 char_u *dir_name; | |
| 6088 { | |
| 6089 int len; | |
| 6090 char_u *p; | |
| 6091 | |
| 6092 if (full_path == NULL) | |
| 6093 return NULL; | |
| 6094 len = (int)STRLEN(dir_name); | |
| 6095 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 6096 { | |
| 6097 p = full_path + len; | |
| 6098 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6099 /* | |
| 6100 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 6101 * slash, since C: by itself does not define a specific dir. In this | |
| 6102 * case p may already be correct. <negri> | |
| 6103 */ | |
| 6104 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 6105 #endif | |
| 6106 { | |
| 6107 if (vim_ispathsep(*p)) | |
| 6108 ++p; | |
| 6109 #ifndef VMS /* the path separator is always part of the path */ | |
| 6110 else | |
| 6111 p = NULL; | |
| 6112 #endif | |
| 6113 } | |
| 6114 } | |
| 6115 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6116 /* | |
| 6117 * When using a file in the current drive, remove the drive name: | |
| 6118 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 6119 * a floppy from "A:\dir" to "B:\dir". | |
| 6120 */ | |
| 6121 else if (len > 3 | |
| 6122 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 6123 && full_path[1] == ':' | |
| 6124 && vim_ispathsep(full_path[2])) | |
| 6125 p = full_path + 2; | |
| 6126 #endif | |
| 6127 else | |
| 6128 p = NULL; | |
| 6129 return p; | |
| 6130 } | |
| 6131 | |
| 6132 /* | |
| 6133 * Shorten filenames for all buffers. | |
| 6134 * When "force" is TRUE: Use full path from now on for files currently being | |
| 6135 * edited, both for file name and swap file name. Try to shorten the file | |
| 6136 * names a bit, if safe to do so. | |
| 6137 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 6138 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 6139 * name. | |
| 6140 */ | |
| 6141 void | |
| 6142 shorten_fnames(force) | |
| 6143 int force; | |
| 6144 { | |
| 6145 char_u dirname[MAXPATHL]; | |
| 6146 buf_T *buf; | |
| 6147 char_u *p; | |
| 6148 | |
| 6149 mch_dirname(dirname, MAXPATHL); | |
| 6150 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 6151 { | |
| 6152 if (buf->b_fname != NULL | |
| 6153 #ifdef FEAT_QUICKFIX | |
| 6154 && !bt_nofile(buf) | |
| 6155 #endif | |
| 6156 && !path_with_url(buf->b_fname) | |
| 6157 && (force | |
| 6158 || buf->b_sfname == NULL | |
| 6159 || mch_isFullName(buf->b_sfname))) | |
| 6160 { | |
| 6161 vim_free(buf->b_sfname); | |
| 6162 buf->b_sfname = NULL; | |
| 6163 p = shorten_fname(buf->b_ffname, dirname); | |
| 6164 if (p != NULL) | |
| 6165 { | |
| 6166 buf->b_sfname = vim_strsave(p); | |
| 6167 buf->b_fname = buf->b_sfname; | |
| 6168 } | |
| 6169 if (p == NULL || buf->b_fname == NULL) | |
| 6170 buf->b_fname = buf->b_ffname; | |
| 9 | 6171 } |
| 6172 | |
| 6173 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 6174 * also have a swap file. */ | |
| 6175 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 6176 } |
| 6177 #ifdef FEAT_WINDOWS | |
| 6178 status_redraw_all(); | |
| 672 | 6179 redraw_tabline = TRUE; |
| 7 | 6180 #endif |
| 6181 } | |
| 6182 | |
| 6183 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 6184 || defined(FEAT_GUI_MSWIN) \ | |
| 6185 || defined(FEAT_GUI_MAC) \ | |
| 6186 || defined(PROTO) | |
| 6187 /* | |
| 6188 * Shorten all filenames in "fnames[count]" by current directory. | |
| 6189 */ | |
| 6190 void | |
| 6191 shorten_filenames(fnames, count) | |
| 6192 char_u **fnames; | |
| 6193 int count; | |
| 6194 { | |
| 6195 int i; | |
| 6196 char_u dirname[MAXPATHL]; | |
| 6197 char_u *p; | |
| 6198 | |
| 6199 if (fnames == NULL || count < 1) | |
| 6200 return; | |
| 6201 mch_dirname(dirname, sizeof(dirname)); | |
| 6202 for (i = 0; i < count; ++i) | |
| 6203 { | |
| 6204 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 6205 { | |
| 6206 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 6207 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 6208 * "p" first then free fnames[i]. */ | |
| 6209 p = vim_strsave(p); | |
| 6210 vim_free(fnames[i]); | |
| 6211 fnames[i] = p; | |
| 6212 } | |
| 6213 } | |
| 6214 } | |
| 6215 #endif | |
| 6216 | |
| 6217 /* | |
| 1651 | 6218 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 6219 * fo_o_h.ext for MSDOS or when shortname option set. |
| 6220 * | |
| 6221 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 6222 * the return value is a different name and ends in 'ext'. | |
| 6223 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 6224 * characters otherwise. | |
| 6225 * Space for the returned name is allocated, must be freed later. | |
| 6226 * Returns NULL when out of memory. | |
| 6227 */ | |
| 6228 char_u * | |
| 6229 modname(fname, ext, prepend_dot) | |
| 6230 char_u *fname, *ext; | |
| 6231 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6232 { | |
| 6233 return buf_modname( | |
| 6234 #ifdef SHORT_FNAME | |
| 6235 TRUE, | |
| 6236 #else | |
| 6237 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 6238 #endif | |
| 6239 fname, ext, prepend_dot); | |
| 6240 } | |
| 6241 | |
| 6242 char_u * | |
| 6243 buf_modname(shortname, fname, ext, prepend_dot) | |
| 6244 int shortname; /* use 8.3 file name */ | |
| 6245 char_u *fname, *ext; | |
| 6246 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6247 { | |
| 6248 char_u *retval; | |
| 6249 char_u *s; | |
| 6250 char_u *e; | |
| 6251 char_u *ptr; | |
| 6252 int fnamelen, extlen; | |
| 6253 | |
| 6254 extlen = (int)STRLEN(ext); | |
| 6255 | |
| 6256 /* | |
| 6257 * If there is no file name we must get the name of the current directory | |
| 6258 * (we need the full path in case :cd is used). | |
| 6259 */ | |
| 6260 if (fname == NULL || *fname == NUL) | |
| 6261 { | |
| 6262 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 6263 if (retval == NULL) | |
| 6264 return NULL; | |
| 6265 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 6266 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 6267 { | |
| 6268 vim_free(retval); | |
| 6269 return NULL; | |
| 6270 } | |
| 39 | 6271 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 6272 { |
| 6273 retval[fnamelen++] = PATHSEP; | |
| 6274 retval[fnamelen] = NUL; | |
| 6275 } | |
| 6276 #ifndef SHORT_FNAME | |
| 6277 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 6278 #endif | |
| 6279 } | |
| 6280 else | |
| 6281 { | |
| 6282 fnamelen = (int)STRLEN(fname); | |
| 6283 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 6284 if (retval == NULL) | |
| 6285 return NULL; | |
| 6286 STRCPY(retval, fname); | |
| 6287 #ifdef VMS | |
| 6288 vms_remove_version(retval); /* we do not need versions here */ | |
| 6289 #endif | |
| 6290 } | |
| 6291 | |
| 6292 /* | |
| 6293 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 6294 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 6295 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 6296 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 6297 */ | |
| 391 | 6298 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 6299 { |
| 6300 if (*ext == '.' | |
| 2823 | 6301 #ifdef USE_LONG_FNAME |
| 7 | 6302 && (!USE_LONG_FNAME || shortname) |
| 2823 | 6303 #else |
| 6304 # ifndef SHORT_FNAME | |
| 7 | 6305 && shortname |
| 6306 # endif | |
| 2823 | 6307 #endif |
| 7 | 6308 ) |
| 6309 if (*ptr == '.') /* replace '.' by '_' */ | |
| 6310 *ptr = '_'; | |
| 6311 if (vim_ispathsep(*ptr)) | |
| 391 | 6312 { |
| 6313 ++ptr; | |
| 7 | 6314 break; |
| 391 | 6315 } |
| 6316 } | |
| 7 | 6317 |
| 6318 /* the file name has at most BASENAMELEN characters. */ | |
| 6319 #ifndef SHORT_FNAME | |
| 6320 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6321 ptr[BASENAMELEN] = '\0'; | |
| 6322 #endif | |
| 6323 | |
| 6324 s = ptr + STRLEN(ptr); | |
| 6325 | |
| 6326 /* | |
| 6327 * For 8.3 file names we may have to reduce the length. | |
| 6328 */ | |
| 6329 #ifdef USE_LONG_FNAME | |
| 6330 if (!USE_LONG_FNAME || shortname) | |
| 6331 #else | |
| 6332 # ifndef SHORT_FNAME | |
| 6333 if (shortname) | |
| 6334 # endif | |
| 6335 #endif | |
| 6336 { | |
| 6337 /* | |
| 6338 * If there is no file name, or the file name ends in '/', and the | |
| 6339 * extension starts with '.', put a '_' before the dot, because just | |
| 6340 * ".ext" is invalid. | |
| 6341 */ | |
| 6342 if (fname == NULL || *fname == NUL | |
| 6343 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6344 { | |
| 6345 if (*ext == '.') | |
| 6346 *s++ = '_'; | |
| 6347 } | |
| 6348 /* | |
| 6349 * If the extension starts with '.', truncate the base name at 8 | |
| 6350 * characters | |
| 6351 */ | |
| 6352 else if (*ext == '.') | |
| 6353 { | |
| 1877 | 6354 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6355 { |
| 6356 s = ptr + 8; | |
| 6357 *s = '\0'; | |
| 6358 } | |
| 6359 } | |
| 6360 /* | |
| 6361 * If the extension doesn't start with '.', and the file name | |
| 6362 * doesn't have an extension yet, append a '.' | |
| 6363 */ | |
| 6364 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6365 *s++ = '.'; | |
| 6366 /* | |
| 6367 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6368 * extension, it may need to be truncated |
| 7 | 6369 */ |
| 6370 else if ((int)STRLEN(e) + extlen > 4) | |
| 6371 s = e + 4 - extlen; | |
| 6372 } | |
| 6373 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6374 /* | |
| 6375 * If there is no file name, and the extension starts with '.', put a | |
| 6376 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6377 * FAT partition, and on HPFS it doesn't matter. | |
| 6378 */ | |
| 6379 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6380 *s++ = '_'; | |
| 6381 #endif | |
| 6382 | |
| 6383 /* | |
| 1651 | 6384 * Append the extension. |
| 7 | 6385 * ext can start with '.' and cannot exceed 3 more characters. |
| 6386 */ | |
| 6387 STRCPY(s, ext); | |
| 6388 | |
| 6389 #ifndef SHORT_FNAME | |
| 6390 /* | |
| 6391 * Prepend the dot. | |
| 6392 */ | |
| 2823 | 6393 if (prepend_dot && !shortname && *(e = gettail(retval)) != '.' |
| 7 | 6394 #ifdef USE_LONG_FNAME |
| 6395 && USE_LONG_FNAME | |
| 6396 #endif | |
| 6397 ) | |
| 6398 { | |
| 1620 | 6399 STRMOVE(e + 1, e); |
| 7 | 6400 *e = '.'; |
| 6401 } | |
| 6402 #endif | |
| 6403 | |
| 6404 /* | |
| 6405 * Check that, after appending the extension, the file name is really | |
| 6406 * different. | |
| 6407 */ | |
| 6408 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6409 { | |
| 6410 /* we search for a character that can be replaced by '_' */ | |
| 6411 while (--s >= ptr) | |
| 6412 { | |
| 6413 if (*s != '_') | |
| 6414 { | |
| 6415 *s = '_'; | |
| 6416 break; | |
| 6417 } | |
| 6418 } | |
| 6419 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6420 *ptr = 'v'; | |
| 6421 } | |
| 6422 return retval; | |
| 6423 } | |
| 6424 | |
| 6425 /* | |
| 6426 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6427 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6428 */ | |
| 6429 int | |
| 6430 vim_fgets(buf, size, fp) | |
| 6431 char_u *buf; | |
| 6432 int size; | |
| 6433 FILE *fp; | |
| 6434 { | |
| 6435 char *eof; | |
| 6436 #define FGETS_SIZE 200 | |
| 6437 char tbuf[FGETS_SIZE]; | |
| 6438 | |
| 6439 buf[size - 2] = NUL; | |
| 6440 #ifdef USE_CR | |
| 6441 eof = fgets_cr((char *)buf, size, fp); | |
| 6442 #else | |
| 6443 eof = fgets((char *)buf, size, fp); | |
| 6444 #endif | |
| 6445 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6446 { | |
| 6447 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6448 | |
| 6449 /* Now throw away the rest of the line: */ | |
| 6450 do | |
| 6451 { | |
| 6452 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6453 #ifdef USE_CR | |
| 1757 | 6454 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6455 #else |
| 1757 | 6456 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6457 #endif |
| 6458 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6459 } | |
| 6460 return (eof == NULL); | |
| 6461 } | |
| 6462 | |
| 6463 #if defined(USE_CR) || defined(PROTO) | |
| 6464 /* | |
| 6465 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6466 * Returns TRUE for end-of-file. | |
| 6467 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6468 */ | |
| 6469 int | |
| 6470 tag_fgets(buf, size, fp) | |
| 6471 char_u *buf; | |
| 6472 int size; | |
| 6473 FILE *fp; | |
| 6474 { | |
| 6475 int i = 0; | |
| 6476 int c; | |
| 6477 int eof = FALSE; | |
| 6478 | |
| 6479 for (;;) | |
| 6480 { | |
| 6481 c = fgetc(fp); | |
| 6482 if (c == EOF) | |
| 6483 { | |
| 6484 eof = TRUE; | |
| 6485 break; | |
| 6486 } | |
| 6487 if (c == '\r') | |
| 6488 { | |
| 6489 /* Always store a NL for end-of-line. */ | |
| 6490 if (i < size - 1) | |
| 6491 buf[i++] = '\n'; | |
| 6492 c = fgetc(fp); | |
| 6493 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6494 ungetc(c, fp); | |
| 6495 break; | |
| 6496 } | |
| 6497 if (i < size - 1) | |
| 6498 buf[i++] = c; | |
| 6499 if (c == '\n') | |
| 6500 break; | |
| 6501 } | |
| 6502 buf[i] = NUL; | |
| 6503 return eof; | |
| 6504 } | |
| 6505 #endif | |
| 6506 | |
| 6507 /* | |
| 6508 * rename() only works if both files are on the same file system, this | |
| 6509 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6510 * Return -1 for failure, 0 for success. | |
| 6511 */ | |
| 6512 int | |
| 6513 vim_rename(from, to) | |
| 6514 char_u *from; | |
| 6515 char_u *to; | |
| 6516 { | |
| 6517 int fd_in; | |
| 6518 int fd_out; | |
| 6519 int n; | |
| 6520 char *errmsg = NULL; | |
| 6521 char *buffer; | |
| 6522 #ifdef AMIGA | |
| 6523 BPTR flock; | |
| 6524 #endif | |
| 6525 struct stat st; | |
| 194 | 6526 long perm; |
| 199 | 6527 #ifdef HAVE_ACL |
| 6528 vim_acl_T acl; /* ACL from original file */ | |
| 6529 #endif | |
| 1779 | 6530 int use_tmp_file = FALSE; |
| 7 | 6531 |
| 6532 /* | |
| 1779 | 6533 * When the names are identical, there is nothing to do. When they refer |
| 6534 * to the same file (ignoring case and slash/backslash differences) but | |
| 6535 * the file name differs we need to go through a temp file. | |
| 7 | 6536 */ |
| 6537 if (fnamecmp(from, to) == 0) | |
| 1779 | 6538 { |
| 4242 | 6539 if (p_fic && STRCMP(gettail(from), gettail(to)) != 0) |
| 1779 | 6540 use_tmp_file = TRUE; |
| 6541 else | |
| 6542 return 0; | |
| 6543 } | |
| 7 | 6544 |
| 6545 /* | |
| 6546 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6547 */ | |
| 6548 if (mch_stat((char *)from, &st) < 0) | |
| 6549 return -1; | |
| 6550 | |
| 1778 | 6551 #ifdef UNIX |
| 6552 { | |
| 6553 struct stat st_to; | |
| 6554 | |
| 6555 /* It's possible for the source and destination to be the same file. | |
| 6556 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6557 * filesystem. In that case go through a temp file name. */ | |
| 6558 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6559 && st.st_dev == st_to.st_dev | |
| 6560 && st.st_ino == st_to.st_ino) | |
| 1779 | 6561 use_tmp_file = TRUE; |
| 6562 } | |
| 6563 #endif | |
| 2793 | 6564 #ifdef WIN3264 |
| 6565 { | |
| 6566 BY_HANDLE_FILE_INFORMATION info1, info2; | |
| 6567 | |
| 6568 /* It's possible for the source and destination to be the same file. | |
| 6569 * In that case go through a temp file name. This makes rename("foo", | |
| 6570 * "./foo") a no-op (in a complicated way). */ | |
| 6571 if (win32_fileinfo(from, &info1) == FILEINFO_OK | |
| 6572 && win32_fileinfo(to, &info2) == FILEINFO_OK | |
| 6573 && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber | |
| 6574 && info1.nFileIndexHigh == info2.nFileIndexHigh | |
| 6575 && info1.nFileIndexLow == info2.nFileIndexLow) | |
| 6576 use_tmp_file = TRUE; | |
| 6577 } | |
| 6578 #endif | |
| 1779 | 6579 |
| 6580 if (use_tmp_file) | |
| 6581 { | |
| 6582 char tempname[MAXPATHL + 1]; | |
| 6583 | |
| 6584 /* | |
| 6585 * Find a name that doesn't exist and is in the same directory. | |
| 6586 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6587 */ | |
| 6588 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6589 return -1; | |
| 6590 STRCPY(tempname, from); | |
| 6591 for (n = 123; n < 99999; ++n) | |
| 6592 { | |
| 6593 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6594 if (mch_stat(tempname, &st) < 0) | |
| 6595 { | |
| 6596 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6597 { |
| 1779 | 6598 if (mch_rename(tempname, (char *)to) == 0) |
| 6599 return 0; | |
| 6600 /* Strange, the second step failed. Try moving the | |
| 6601 * file back and return failure. */ | |
| 6602 mch_rename(tempname, (char *)from); | |
| 1778 | 6603 return -1; |
| 6604 } | |
| 1779 | 6605 /* If it fails for one temp name it will most likely fail |
| 6606 * for any temp name, give up. */ | |
| 6607 return -1; | |
| 6608 } | |
| 6609 } | |
| 6610 return -1; | |
| 1778 | 6611 } |
| 6612 | |
| 7 | 6613 /* |
| 6614 * Delete the "to" file, this is required on some systems to make the | |
| 6615 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6616 * two files when the mch_rename() fails. | |
| 6617 */ | |
| 6618 | |
| 6619 #ifdef AMIGA | |
| 6620 /* | |
| 6621 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6622 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6623 * though the names are different. To avoid the chance of accidentally |
| 7 | 6624 * deleting the "from" file (horror!) we lock it during the remove. |
| 6625 * | |
| 6626 * When used for making a backup before writing the file: This should not | |
| 6627 * happen with ":w", because startscript() should detect this problem and | |
| 6628 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6629 * name. This problem does exist with ":w filename", but then the | |
| 6630 * original file will be somewhere else so the backup isn't really | |
| 6631 * important. If autoscripting is off the rename may fail. | |
| 6632 */ | |
| 6633 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6634 #endif | |
| 6635 mch_remove(to); | |
| 6636 #ifdef AMIGA | |
| 6637 if (flock) | |
| 6638 UnLock(flock); | |
| 6639 #endif | |
| 6640 | |
| 6641 /* | |
| 6642 * First try a normal rename, return if it works. | |
| 6643 */ | |
| 6644 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6645 return 0; | |
| 6646 | |
| 6647 /* | |
| 6648 * Rename() failed, try copying the file. | |
| 6649 */ | |
| 194 | 6650 perm = mch_getperm(from); |
| 199 | 6651 #ifdef HAVE_ACL |
| 6652 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6653 acl = mch_get_acl(from); | |
| 6654 #endif | |
| 7 | 6655 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6656 if (fd_in == -1) | |
| 1651 | 6657 { |
| 6658 #ifdef HAVE_ACL | |
| 6659 mch_free_acl(acl); | |
| 6660 #endif | |
| 7 | 6661 return -1; |
| 1651 | 6662 } |
| 194 | 6663 |
| 6664 /* Create the new file with same permissions as the original. */ | |
| 557 | 6665 fd_out = mch_open((char *)to, |
| 6666 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6667 if (fd_out == -1) |
| 6668 { | |
| 6669 close(fd_in); | |
| 1651 | 6670 #ifdef HAVE_ACL |
| 6671 mch_free_acl(acl); | |
| 6672 #endif | |
| 7 | 6673 return -1; |
| 6674 } | |
| 6675 | |
| 6676 buffer = (char *)alloc(BUFSIZE); | |
| 6677 if (buffer == NULL) | |
| 6678 { | |
| 1651 | 6679 close(fd_out); |
| 7 | 6680 close(fd_in); |
| 1651 | 6681 #ifdef HAVE_ACL |
| 6682 mch_free_acl(acl); | |
| 6683 #endif | |
| 7 | 6684 return -1; |
| 6685 } | |
| 6686 | |
| 2664 | 6687 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
| 6688 if (write_eintr(fd_out, buffer, n) != n) | |
| 7 | 6689 { |
| 6690 errmsg = _("E208: Error writing to \"%s\""); | |
| 6691 break; | |
| 6692 } | |
| 6693 | |
| 6694 vim_free(buffer); | |
| 6695 close(fd_in); | |
| 6696 if (close(fd_out) < 0) | |
| 6697 errmsg = _("E209: Error closing \"%s\""); | |
| 6698 if (n < 0) | |
| 6699 { | |
| 6700 errmsg = _("E210: Error reading \"%s\""); | |
| 6701 to = from; | |
| 6702 } | |
| 1201 | 6703 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6704 mch_setperm(to, perm); |
| 570 | 6705 #endif |
| 199 | 6706 #ifdef HAVE_ACL |
| 6707 mch_set_acl(to, acl); | |
| 1651 | 6708 mch_free_acl(acl); |
| 199 | 6709 #endif |
| 5479 | 6710 #ifdef HAVE_SELINUX |
| 5483 | 6711 mch_copy_sec(from, to); |
| 5479 | 6712 #endif |
| 7 | 6713 if (errmsg != NULL) |
| 6714 { | |
| 6715 EMSG2(errmsg, to); | |
| 6716 return -1; | |
| 6717 } | |
| 6718 mch_remove(from); | |
| 6719 return 0; | |
| 6720 } | |
| 6721 | |
| 6722 static int already_warned = FALSE; | |
| 6723 | |
| 6724 /* | |
| 6725 * Check if any not hidden buffer has been changed. | |
| 6726 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6727 * command is being executed, a mapping is being executed or an autocommand is | |
| 6728 * busy. | |
| 6729 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6730 * cursor positioned). | |
| 6731 */ | |
| 6732 int | |
| 6733 check_timestamps(focus) | |
| 6734 int focus; /* called for GUI focus event */ | |
| 6735 { | |
| 6736 buf_T *buf; | |
| 6737 int didit = 0; | |
| 6738 int n; | |
| 6739 | |
| 6740 /* Don't check timestamps while system() or another low-level function may | |
| 6741 * cause us to lose and gain focus. */ | |
| 6742 if (no_check_timestamps > 0) | |
| 6743 return FALSE; | |
| 6744 | |
| 6745 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6746 * event and we would keep on checking if the file is steadily growing. | |
| 6747 * Do check again after typing something. */ | |
| 6748 if (focus && did_check_timestamps) | |
| 6749 { | |
| 6750 need_check_timestamps = TRUE; | |
| 6751 return FALSE; | |
| 6752 } | |
| 6753 | |
| 6754 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6755 #ifdef FEAT_AUTOCMD | |
| 1834 | 6756 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6757 #endif |
| 6758 ) | |
| 6759 need_check_timestamps = TRUE; /* check later */ | |
| 6760 else | |
| 6761 { | |
| 6762 ++no_wait_return; | |
| 6763 did_check_timestamps = TRUE; | |
| 6764 already_warned = FALSE; | |
| 6765 for (buf = firstbuf; buf != NULL; ) | |
| 6766 { | |
| 6767 /* Only check buffers in a window. */ | |
| 6768 if (buf->b_nwindows > 0) | |
| 6769 { | |
| 6770 n = buf_check_timestamp(buf, focus); | |
| 6771 if (didit < n) | |
| 6772 didit = n; | |
| 6773 if (n > 0 && !buf_valid(buf)) | |
| 6774 { | |
| 6775 /* Autocommands have removed the buffer, start at the | |
| 6776 * first one again. */ | |
| 6777 buf = firstbuf; | |
| 6778 continue; | |
| 6779 } | |
| 6780 } | |
| 6781 buf = buf->b_next; | |
| 6782 } | |
| 6783 --no_wait_return; | |
| 6784 need_check_timestamps = FALSE; | |
| 6785 if (need_wait_return && didit == 2) | |
| 6786 { | |
| 6787 /* make sure msg isn't overwritten */ | |
| 6788 msg_puts((char_u *)"\n"); | |
| 6789 out_flush(); | |
| 6790 } | |
| 6791 } | |
| 6792 return didit; | |
| 6793 } | |
| 6794 | |
| 6795 /* | |
| 6796 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6797 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6798 * empty. | |
| 6799 */ | |
| 6800 static int | |
| 6801 move_lines(frombuf, tobuf) | |
| 6802 buf_T *frombuf; | |
| 6803 buf_T *tobuf; | |
| 6804 { | |
| 6805 buf_T *tbuf = curbuf; | |
| 6806 int retval = OK; | |
| 6807 linenr_T lnum; | |
| 6808 char_u *p; | |
| 6809 | |
| 6810 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6811 curbuf = tobuf; | |
| 6812 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6813 { | |
| 6814 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6815 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6816 { | |
| 6817 vim_free(p); | |
| 6818 retval = FAIL; | |
| 6819 break; | |
| 6820 } | |
| 6821 vim_free(p); | |
| 6822 } | |
| 6823 | |
| 6824 /* Delete all the lines in "frombuf". */ | |
| 6825 if (retval != FAIL) | |
| 6826 { | |
| 6827 curbuf = frombuf; | |
| 1055 | 6828 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6829 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6830 { |
| 6831 /* Oops! We could try putting back the saved lines, but that | |
| 6832 * might fail again... */ | |
| 6833 retval = FAIL; | |
| 6834 break; | |
| 6835 } | |
| 6836 } | |
| 6837 | |
| 6838 curbuf = tbuf; | |
| 6839 return retval; | |
| 6840 } | |
| 6841 | |
| 6842 /* | |
| 6843 * Check if buffer "buf" has been changed. | |
| 6844 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6845 * return 1 if a changed buffer was found. | |
| 6846 * return 2 if a message has been displayed. | |
| 6847 * return 0 otherwise. | |
| 6848 */ | |
| 6849 int | |
| 6850 buf_check_timestamp(buf, focus) | |
| 6851 buf_T *buf; | |
| 1877 | 6852 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6853 { |
| 6854 struct stat st; | |
| 6855 int stat_res; | |
| 6856 int retval = 0; | |
| 6857 char_u *path; | |
| 6858 char_u *tbuf; | |
| 6859 char *mesg = NULL; | |
| 188 | 6860 char *mesg2 = ""; |
| 7 | 6861 int helpmesg = FALSE; |
| 6862 int reload = FALSE; | |
| 6863 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6864 int can_reload = FALSE; | |
| 6865 #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
|
6866 off_t orig_size = buf->b_orig_size; |
| 7 | 6867 int orig_mode = buf->b_orig_mode; |
| 6868 #ifdef FEAT_GUI | |
| 6869 int save_mouse_correct = need_mouse_correct; | |
| 6870 #endif | |
| 6871 #ifdef FEAT_AUTOCMD | |
| 6872 static int busy = FALSE; | |
| 179 | 6873 int n; |
| 6874 char_u *s; | |
| 6875 #endif | |
| 6876 char *reason; | |
| 7 | 6877 |
| 6878 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6879 * set, we are in the middle of a save or being called recursively: ignore | |
| 6880 * this buffer. */ | |
| 6881 if (buf->b_ffname == NULL | |
| 6882 || buf->b_ml.ml_mfp == NULL | |
| 6883 #if defined(FEAT_QUICKFIX) | |
| 6884 || *buf->b_p_bt != NUL | |
| 6885 #endif | |
| 6886 || buf->b_saving | |
| 6887 #ifdef FEAT_AUTOCMD | |
| 6888 || busy | |
| 6889 #endif | |
| 33 | 6890 #ifdef FEAT_NETBEANS_INTG |
| 6891 || isNetbeansBuffer(buf) | |
| 6892 #endif | |
| 7 | 6893 ) |
| 6894 return 0; | |
| 6895 | |
| 6896 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6897 && buf->b_mtime != 0 | |
| 6898 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6899 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6900 #ifdef HAVE_ST_MODE | |
| 6901 || (int)st.st_mode != buf->b_orig_mode | |
| 6902 #else | |
| 6903 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6904 #endif | |
| 6905 )) | |
| 6906 { | |
| 6907 retval = 1; | |
| 6908 | |
| 628 | 6909 /* set b_mtime to stop further warnings (e.g., when executing |
| 6910 * FileChangedShell autocmd) */ | |
| 7 | 6911 if (stat_res < 0) |
| 6912 { | |
| 6913 buf->b_mtime = 0; | |
| 6914 buf->b_orig_size = 0; | |
| 6915 buf->b_orig_mode = 0; | |
| 6916 } | |
| 6917 else | |
| 6918 buf_store_time(buf, &st, buf->b_ffname); | |
| 6919 | |
| 6920 /* Don't do anything for a directory. Might contain the file | |
| 6921 * explorer. */ | |
| 6922 if (mch_isdir(buf->b_fname)) | |
| 6923 ; | |
| 6924 | |
| 6925 /* | |
| 6926 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6927 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6928 * was set, the global option value otherwise. | |
| 6929 */ | |
| 6930 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6931 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6932 reload = TRUE; | |
| 6933 else | |
| 6934 { | |
| 179 | 6935 if (stat_res < 0) |
| 6936 reason = "deleted"; | |
| 6937 else if (bufIsChanged(buf)) | |
| 6938 reason = "conflict"; | |
| 6939 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6940 reason = "changed"; | |
| 6941 else if (orig_mode != buf->b_orig_mode) | |
| 6942 reason = "mode"; | |
| 6943 else | |
| 6944 reason = "time"; | |
| 6945 | |
| 7 | 6946 #ifdef FEAT_AUTOCMD |
| 6947 /* | |
| 6948 * Only give the warning if there are no FileChangedShell | |
| 6949 * autocommands. | |
| 6950 * Avoid being called recursively by setting "busy". | |
| 6951 */ | |
| 6952 busy = TRUE; | |
| 532 | 6953 # ifdef FEAT_EVAL |
| 179 | 6954 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6955 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6956 # endif |
| 1834 | 6957 ++allbuf_lock; |
| 7 | 6958 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6959 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6960 --allbuf_lock; |
| 7 | 6961 busy = FALSE; |
| 6962 if (n) | |
| 6963 { | |
| 6964 if (!buf_valid(buf)) | |
| 6965 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6966 # ifdef FEAT_EVAL |
| 179 | 6967 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6968 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6969 reload = TRUE; | |
| 6970 else if (STRCMP(s, "ask") == 0) | |
| 6971 n = FALSE; | |
| 6972 else | |
| 532 | 6973 # endif |
| 179 | 6974 return 2; |
| 7 | 6975 } |
| 179 | 6976 if (!n) |
| 7 | 6977 #endif |
| 6978 { | |
| 179 | 6979 if (*reason == 'd') |
| 6980 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6981 else |
| 6982 { | |
| 6983 helpmesg = TRUE; | |
| 6984 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6985 can_reload = TRUE; | |
| 6986 #endif | |
| 6987 /* | |
| 6988 * Check if the file contents really changed to avoid | |
| 6989 * giving a warning when only the timestamp was set (e.g., | |
| 6990 * checked out of CVS). Always warn when the buffer was | |
| 6991 * changed. | |
| 6992 */ | |
| 179 | 6993 if (reason[2] == 'n') |
| 6994 { | |
| 7 | 6995 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6996 mesg2 = _("See \":help W12\" for more info."); |
| 6997 } | |
| 6998 else if (reason[1] == 'h') | |
| 6999 { | |
| 7 | 7000 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 7001 mesg2 = _("See \":help W11\" for more info."); |
| 7002 } | |
| 7003 else if (*reason == 'm') | |
| 7004 { | |
| 7 | 7005 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 7006 mesg2 = _("See \":help W16\" for more info."); |
| 7007 } | |
| 1913 | 7008 else |
| 7009 /* Only timestamp changed, store it to avoid a warning | |
| 7010 * in check_mtime() later. */ | |
| 7011 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 7012 } |
| 7013 } | |
| 7014 } | |
| 7015 | |
| 7016 } | |
| 7017 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 7018 && vim_fexists(buf->b_ffname)) | |
| 7019 { | |
| 7020 retval = 1; | |
| 7021 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 7022 buf->b_flags |= BF_NEW_W; | |
| 7023 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 7024 can_reload = TRUE; | |
| 7025 #endif | |
| 7026 } | |
| 7027 | |
| 7028 if (mesg != NULL) | |
| 7029 { | |
| 7030 path = home_replace_save(buf, buf->b_fname); | |
| 7031 if (path != NULL) | |
| 7032 { | |
| 179 | 7033 if (!helpmesg) |
| 7 | 7034 mesg2 = ""; |
| 7035 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 7036 + STRLEN(mesg2) + 2)); | |
| 7037 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 7038 #ifdef FEAT_EVAL |
| 7039 /* Set warningmsg here, before the unimportant and output-specific | |
| 7040 * mesg2 has been appended. */ | |
| 7041 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 7042 #endif | |
| 7 | 7043 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 7044 if (can_reload) | |
| 7045 { | |
| 7046 if (*mesg2 != NUL) | |
| 7047 { | |
| 7048 STRCAT(tbuf, "\n"); | |
| 7049 STRCAT(tbuf, mesg2); | |
| 7050 } | |
| 7051 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 2684 | 7052 (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2) |
| 7 | 7053 reload = TRUE; |
| 7054 } | |
| 7055 else | |
| 7056 #endif | |
| 7057 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 7058 { | |
| 7059 if (*mesg2 != NUL) | |
| 7060 { | |
| 7061 STRCAT(tbuf, "; "); | |
| 7062 STRCAT(tbuf, mesg2); | |
| 7063 } | |
| 7064 EMSG(tbuf); | |
| 7065 retval = 2; | |
| 7066 } | |
| 7067 else | |
| 7068 { | |
| 8 | 7069 # ifdef FEAT_AUTOCMD |
| 7 | 7070 if (!autocmd_busy) |
| 8 | 7071 # endif |
| 7 | 7072 { |
| 7073 msg_start(); | |
| 7074 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 7075 if (*mesg2 != NUL) | |
| 7076 msg_puts_attr((char_u *)mesg2, | |
| 7077 hl_attr(HLF_W) + MSG_HIST); | |
| 7078 msg_clr_eos(); | |
| 7079 (void)msg_end(); | |
| 7080 if (emsg_silent == 0) | |
| 7081 { | |
| 7082 out_flush(); | |
| 8 | 7083 # ifdef FEAT_GUI |
| 7 | 7084 if (!focus) |
| 8 | 7085 # endif |
| 7 | 7086 /* give the user some time to think about it */ |
| 7087 ui_delay(1000L, TRUE); | |
| 7088 | |
| 7089 /* don't redraw and erase the message */ | |
| 7090 redraw_cmdline = FALSE; | |
| 7091 } | |
| 7092 } | |
| 7093 already_warned = TRUE; | |
| 7094 } | |
| 7095 | |
| 7096 vim_free(path); | |
| 7097 vim_free(tbuf); | |
| 7098 } | |
| 7099 } | |
| 7100 | |
| 7101 if (reload) | |
| 3776 | 7102 { |
| 311 | 7103 /* Reload the buffer. */ |
| 628 | 7104 buf_reload(buf, orig_mode); |
| 3776 | 7105 #ifdef FEAT_PERSISTENT_UNDO |
| 7106 if (buf->b_p_udf && buf->b_ffname != NULL) | |
| 7107 { | |
| 7108 char_u hash[UNDO_HASH_SIZE]; | |
| 7109 buf_T *save_curbuf = curbuf; | |
| 7110 | |
| 7111 /* Any existing undo file is unusable, write it now. */ | |
| 7112 curbuf = buf; | |
| 7113 u_compute_hash(hash); | |
| 7114 u_write_undo(NULL, FALSE, buf, hash); | |
| 7115 curbuf = save_curbuf; | |
| 7116 } | |
| 7117 #endif | |
| 7118 } | |
| 7 | 7119 |
| 765 | 7120 #ifdef FEAT_AUTOCMD |
| 1620 | 7121 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 7122 if (buf_valid(buf) && retval != 0) | |
| 765 | 7123 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 7124 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 7125 #endif | |
| 7 | 7126 #ifdef FEAT_GUI |
| 7127 /* restore this in case an autocommand has set it; it would break | |
| 7128 * 'mousefocus' */ | |
| 7129 need_mouse_correct = save_mouse_correct; | |
| 7130 #endif | |
| 7131 | |
| 7132 return retval; | |
| 7133 } | |
| 7134 | |
| 311 | 7135 /* |
| 7136 * Reload a buffer that is already loaded. | |
| 7137 * Used when the file was changed outside of Vim. | |
| 628 | 7138 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 7139 * buf->b_orig_mode may have been reset already. | |
| 311 | 7140 */ |
| 7141 void | |
| 628 | 7142 buf_reload(buf, orig_mode) |
| 311 | 7143 buf_T *buf; |
| 628 | 7144 int orig_mode; |
| 311 | 7145 { |
| 7146 exarg_T ea; | |
| 7147 pos_T old_cursor; | |
| 7148 linenr_T old_topline; | |
| 7149 int old_ro = buf->b_p_ro; | |
| 7150 buf_T *savebuf; | |
| 7151 int saved = OK; | |
| 7152 aco_save_T aco; | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7153 int flags = READ_NEW; |
| 311 | 7154 |
| 7155 /* set curwin/curbuf for "buf" and save some things */ | |
| 7156 aucmd_prepbuf(&aco, buf); | |
| 7157 | |
| 7158 /* We only want to read the text from the file, not reset the syntax | |
| 7159 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 7160 * and encoding to be the same. */ | |
| 7161 if (prep_exarg(&ea, buf) == OK) | |
| 7162 { | |
| 7163 old_cursor = curwin->w_cursor; | |
| 7164 old_topline = curwin->w_topline; | |
| 7165 | |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7166 if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7167 { |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7168 /* Save all the text, so that the reload can be undone. |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7169 * 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
|
7170 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
|
7171 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
|
7172 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
|
7173 } |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7174 |
| 311 | 7175 /* |
| 7176 * To behave like when a new file is edited (matters for | |
| 7177 * BufReadPost autocommands) we first need to delete the current | |
| 7178 * buffer contents. But if reading the file fails we should keep | |
| 7179 * the old contents. Can't use memory only, the file might be | |
| 7180 * too big. Use a hidden buffer to move the buffer contents to. | |
| 7181 */ | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7182 if (bufempty() || saved == FAIL) |
| 311 | 7183 savebuf = NULL; |
| 7184 else | |
| 7185 { | |
| 7186 /* Allocate a buffer without putting it in the buffer list. */ | |
| 7187 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 7188 if (savebuf != NULL && buf == curbuf) |
| 311 | 7189 { |
| 7190 /* Open the memline. */ | |
| 7191 curbuf = savebuf; | |
| 7192 curwin->w_buffer = savebuf; | |
| 625 | 7193 saved = ml_open(curbuf); |
| 311 | 7194 curbuf = buf; |
| 7195 curwin->w_buffer = buf; | |
| 7196 } | |
| 837 | 7197 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 7198 || move_lines(buf, savebuf) == FAIL) |
| 7199 { | |
| 7200 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 7201 buf->b_fname); | |
| 7202 saved = FAIL; | |
| 7203 } | |
| 7204 } | |
| 7205 | |
| 7206 if (saved == OK) | |
| 7207 { | |
| 7208 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 7209 #ifdef FEAT_AUTOCMD | |
| 7210 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 7211 #endif | |
| 7212 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 7213 (linenr_T)0, | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7214 (linenr_T)MAXLNUM, &ea, flags) == FAIL) |
| 311 | 7215 { |
| 7216 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 7217 if (!aborting()) | |
| 7218 #endif | |
| 7219 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 7220 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 7221 { |
| 7222 /* Put the text back from the save buffer. First | |
| 7223 * delete any lines that readfile() added. */ | |
| 7224 while (!bufempty()) | |
| 837 | 7225 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 7226 break; |
| 7227 (void)move_lines(savebuf, buf); | |
| 7228 } | |
| 7229 } | |
|
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diff
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|
7230 else if (buf == curbuf) /* "buf" still valid */ |
| 311 | 7231 { |
| 7232 /* Mark the buffer as unmodified and free undo info. */ | |
| 7233 unchanged(buf, TRUE); | |
|
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Add the 'undoreload' option to be able to undo a file reload.
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2360
diff
changeset
|
7234 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>
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2360
diff
changeset
|
7235 { |
|
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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
|
7236 u_blockfree(buf); |
|
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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
|
7237 u_clearall(buf); |
|
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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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diff
changeset
|
7238 } |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7239 else |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
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2410
diff
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|
7240 { |
|
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
|
7241 /* Mark all undo states as changed. */ |
|
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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
|
7242 u_unchanged(curbuf); |
|
2482
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7243 } |
| 311 | 7244 } |
| 7245 } | |
| 7246 vim_free(ea.cmd); | |
| 7247 | |
| 837 | 7248 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 7249 wipe_buffer(savebuf, FALSE); |
| 7250 | |
| 7251 #ifdef FEAT_DIFF | |
| 7252 /* Invalidate diff info if necessary. */ | |
| 837 | 7253 diff_invalidate(curbuf); |
| 311 | 7254 #endif |
| 7255 | |
| 7256 /* Restore the topline and cursor position and check it (lines may | |
| 7257 * have been removed). */ | |
| 7258 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 7259 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 7260 else | |
| 7261 curwin->w_topline = old_topline; | |
| 7262 curwin->w_cursor = old_cursor; | |
| 7263 check_cursor(); | |
| 7264 update_topline(); | |
| 7265 #ifdef FEAT_AUTOCMD | |
| 7266 keep_filetype = FALSE; | |
| 7267 #endif | |
| 7268 #ifdef FEAT_FOLDING | |
| 7269 { | |
| 1863 | 7270 win_T *wp; |
| 7271 tabpage_T *tp; | |
| 311 | 7272 |
| 7273 /* Update folds unless they are defined manually. */ | |
| 1863 | 7274 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 7275 if (wp->w_buffer == curwin->w_buffer |
| 7276 && !foldmethodIsManual(wp)) | |
| 7277 foldUpdateAll(wp); | |
| 7278 } | |
| 7279 #endif | |
| 7280 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 7281 * value; the user probably used the ":view" command. But don't | |
| 7282 * reset it, might have had a read error. */ | |
| 7283 if (orig_mode == curbuf->b_orig_mode) | |
| 7284 curbuf->b_p_ro |= old_ro; | |
| 4071 | 7285 |
| 7286 /* Modelines must override settings done by autocommands. */ | |
| 7287 do_modelines(0); | |
| 311 | 7288 } |
| 7289 | |
| 7290 /* restore curwin/curbuf and a few other things */ | |
| 7291 aucmd_restbuf(&aco); | |
| 7292 /* Careful: autocommands may have made "buf" invalid! */ | |
| 7293 } | |
| 7294 | |
| 7 | 7295 void |
| 7296 buf_store_time(buf, st, fname) | |
| 7297 buf_T *buf; | |
| 7298 struct stat *st; | |
| 1877 | 7299 char_u *fname UNUSED; |
| 7 | 7300 { |
| 7301 buf->b_mtime = (long)st->st_mtime; | |
|
2241
60da25e3aab7
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7302 buf->b_orig_size = st->st_size; |
| 7 | 7303 #ifdef HAVE_ST_MODE |
| 7304 buf->b_orig_mode = (int)st->st_mode; | |
| 7305 #else | |
| 7306 buf->b_orig_mode = mch_getperm(fname); | |
| 7307 #endif | |
| 7308 } | |
| 7309 | |
| 7310 /* | |
| 7311 * Adjust the line with missing eol, used for the next write. | |
| 7312 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 7313 */ | |
| 7314 void | |
| 7315 write_lnum_adjust(offset) | |
| 7316 linenr_T offset; | |
| 7317 { | |
| 2707 | 7318 if (curbuf->b_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7319 curbuf->b_no_eol_lnum += offset; | |
| 7 | 7320 } |
| 7321 | |
| 7322 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 7323 static long temp_count = 0; /* Temp filename counter. */ | |
| 7324 | |
| 7325 /* | |
| 7326 * Delete the temp directory and all files it contains. | |
| 7327 */ | |
| 7328 void | |
| 7329 vim_deltempdir() | |
| 7330 { | |
| 7331 char_u **files; | |
| 7332 int file_count; | |
| 7333 int i; | |
| 7334 | |
| 7335 if (vim_tempdir != NULL) | |
| 7336 { | |
| 7337 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 7338 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 7339 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 7340 { | |
| 7341 for (i = 0; i < file_count; ++i) | |
| 7342 mch_remove(files[i]); | |
| 7343 FreeWild(file_count, files); | |
| 7344 } | |
| 7345 gettail(NameBuff)[-1] = NUL; | |
| 7346 (void)mch_rmdir(NameBuff); | |
| 7347 | |
| 7348 vim_free(vim_tempdir); | |
| 7349 vim_tempdir = NULL; | |
| 7350 } | |
| 7351 } | |
| 7352 #endif | |
| 7353 | |
| 2006 | 7354 #ifdef TEMPDIRNAMES |
| 7 | 7355 /* |
| 1997 | 7356 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7357 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7358 * "tempdir" must be no longer than MAXPATHL. | |
| 7359 */ | |
| 7360 static void | |
| 7361 vim_settempdir(tempdir) | |
| 7362 char_u *tempdir; | |
| 7363 { | |
| 7364 char_u *buf; | |
| 7365 | |
| 7366 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7367 if (buf != NULL) | |
| 7368 { | |
| 7369 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7370 STRCPY(buf, tempdir); | |
| 7371 # ifdef __EMX__ | |
| 7372 if (vim_strchr(buf, '/') != NULL) | |
| 7373 STRCAT(buf, "/"); | |
| 7374 else | |
| 7375 # endif | |
| 7376 add_pathsep(buf); | |
| 7377 vim_tempdir = vim_strsave(buf); | |
| 7378 vim_free(buf); | |
| 7379 } | |
| 7380 } | |
| 2006 | 7381 #endif |
| 1997 | 7382 |
| 7383 /* | |
| 7 | 7384 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7385 * | |
| 7386 * The temp file is NOT created. | |
| 7387 * | |
| 7388 * The returned pointer is to allocated memory. | |
| 7389 * The returned pointer is NULL if no valid name was found. | |
| 7390 */ | |
| 7391 char_u * | |
| 7392 vim_tempname(extra_char) | |
| 1877 | 7393 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7394 { |
| 7395 #ifdef USE_TMPNAM | |
| 7396 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7397 #else | |
| 7398 char_u itmp[TEMPNAMELEN]; | |
| 7399 #endif | |
| 7400 | |
| 7401 #ifdef TEMPDIRNAMES | |
| 7402 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7403 int i; | |
| 7404 # ifndef EEXIST | |
| 7405 struct stat st; | |
| 7406 # endif | |
| 7407 | |
| 7408 /* | |
| 7409 * This will create a directory for private use by this instance of Vim. | |
| 7410 * This is done once, and the same directory is used for all temp files. | |
| 7411 * This method avoids security problems because of symlink attacks et al. | |
| 7412 * It's also a bit faster, because we only need to check for an existing | |
| 7413 * file when creating the directory and not for each temp file. | |
| 7414 */ | |
| 7415 if (vim_tempdir == NULL) | |
| 7416 { | |
| 7417 /* | |
| 7418 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7419 */ | |
| 1877 | 7420 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7421 { |
|
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diff
changeset
|
7422 # ifndef HAVE_MKDTEMP |
| 1997 | 7423 size_t itmplen; |
| 7424 long nr; | |
| 7425 long off; | |
| 7426 # endif | |
| 7427 | |
| 7 | 7428 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7429 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7430 if (mch_isdir(itmp)) /* directory exists */ | |
| 7431 { | |
| 7432 # ifdef __EMX__ | |
| 7433 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7434 * tcsh), don't add a backslash, use a forward slash! | |
| 7435 * Adding 2 backslashes didn't work. */ | |
| 7436 if (vim_strchr(itmp, '/') != NULL) | |
| 7437 STRCAT(itmp, "/"); | |
| 7438 else | |
| 7439 # endif | |
| 7440 add_pathsep(itmp); | |
| 1997 | 7441 |
| 7442 # ifdef HAVE_MKDTEMP | |
| 7443 /* Leave room for filename */ | |
| 7444 STRCAT(itmp, "vXXXXXX"); | |
| 7445 if (mkdtemp((char *)itmp) != NULL) | |
| 7446 vim_settempdir(itmp); | |
| 7447 # else | |
| 7 | 7448 /* Get an arbitrary number of up to 6 digits. When it's |
| 7449 * unlikely that it already exists it will be faster, | |
| 7450 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7451 * security problems because of the predictable number. */ | |
| 7452 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
|
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diff
changeset
|
7453 itmplen = STRLEN(itmp); |
| 7 | 7454 |
| 7455 /* Try up to 10000 different values until we find a name that | |
| 7456 * doesn't exist. */ | |
| 7457 for (off = 0; off < 10000L; ++off) | |
| 7458 { | |
| 7459 int r; | |
| 1997 | 7460 # if defined(UNIX) || defined(VMS) |
| 7 | 7461 mode_t umask_save; |
| 1997 | 7462 # endif |
| 7463 | |
| 7464 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7465 # ifndef EEXIST | |
| 7 | 7466 /* If mkdir() does not set errno to EEXIST, check for |
| 7467 * existing file here. There is a race condition then, | |
| 7468 * although it's fail-safe. */ | |
| 7469 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7470 continue; | |
| 1997 | 7471 # endif |
| 7472 # if defined(UNIX) || defined(VMS) | |
| 7 | 7473 /* Make sure the umask doesn't remove the executable bit. |
| 7474 * "repl" has been reported to use "177". */ | |
| 7475 umask_save = umask(077); | |
| 1997 | 7476 # endif |
| 7 | 7477 r = vim_mkdir(itmp, 0700); |
| 1997 | 7478 # if defined(UNIX) || defined(VMS) |
| 7 | 7479 (void)umask(umask_save); |
| 1997 | 7480 # endif |
| 7 | 7481 if (r == 0) |
| 7482 { | |
| 1997 | 7483 vim_settempdir(itmp); |
| 7 | 7484 break; |
| 7485 } | |
| 1997 | 7486 # ifdef EEXIST |
| 7 | 7487 /* If the mkdir() didn't fail because the file/dir exists, |
| 7488 * we probably can't create any dir here, try another | |
| 7489 * place. */ | |
| 7490 if (errno != EEXIST) | |
| 1997 | 7491 # endif |
| 7 | 7492 break; |
| 7493 } | |
| 1997 | 7494 # endif /* HAVE_MKDTEMP */ |
| 7 | 7495 if (vim_tempdir != NULL) |
| 7496 break; | |
| 7497 } | |
| 7498 } | |
| 7499 } | |
| 7500 | |
| 7501 if (vim_tempdir != NULL) | |
| 7502 { | |
| 7503 /* There is no need to check if the file exists, because we own the | |
| 7504 * directory and nobody else creates a file in it. */ | |
| 7505 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7506 return vim_strsave(itmp); | |
| 7507 } | |
| 7508 | |
| 7509 return NULL; | |
| 7510 | |
| 7511 #else /* TEMPDIRNAMES */ | |
| 7512 | |
| 7513 # ifdef WIN3264 | |
| 7514 char szTempFile[_MAX_PATH + 1]; | |
| 7515 char buf4[4]; | |
| 7516 char_u *retval; | |
| 7517 char_u *p; | |
| 7518 | |
| 7519 STRCPY(itmp, ""); | |
| 7520 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 2695 | 7521 { |
| 7522 szTempFile[0] = '.'; /* GetTempPath() failed, use current dir */ | |
| 7523 szTempFile[1] = NUL; | |
| 7524 } | |
| 7 | 7525 strcpy(buf4, "VIM"); |
| 7526 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7527 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7528 return NULL; | |
| 7529 /* GetTempFileName() will create the file, we don't want that */ | |
| 7530 (void)DeleteFile(itmp); | |
| 7531 | |
| 7532 /* Backslashes in a temp file name cause problems when filtering with | |
| 7533 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7534 * didn't set 'shellslash'. */ | |
| 7535 retval = vim_strsave(itmp); | |
| 7536 if (*p_shcf == '-' || p_ssl) | |
| 7537 for (p = retval; *p; ++p) | |
| 7538 if (*p == '\\') | |
| 7539 *p = '/'; | |
| 7540 return retval; | |
| 7541 | |
| 7542 # else /* WIN3264 */ | |
| 7543 | |
| 7544 # ifdef USE_TMPNAM | |
| 2697 | 7545 char_u *p; |
| 7546 | |
| 7 | 7547 /* tmpnam() will make its own name */ |
| 2697 | 7548 p = tmpnam((char *)itmp); |
| 7549 if (p == NULL || *p == NUL) | |
| 7 | 7550 return NULL; |
| 7551 # else | |
| 7552 char_u *p; | |
| 7553 | |
| 7554 # ifdef VMS_TEMPNAM | |
| 7555 /* mktemp() is not working on VMS. It seems to be | |
| 7556 * a do-nothing function. Therefore we use tempnam(). | |
| 7557 */ | |
| 7558 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7559 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7560 if (p != NULL) | |
| 7561 { | |
| 7562 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7563 * and VIM will then be unable to find the file later */ | |
| 7564 STRCPY(itmp, p); | |
| 7565 STRCAT(itmp, ".txt"); | |
| 7566 free(p); | |
| 7567 } | |
| 7568 else | |
| 7569 return NULL; | |
| 7570 # else | |
| 7571 STRCPY(itmp, TEMPNAME); | |
| 7572 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7573 *p = extra_char; | |
| 7574 if (mktemp((char *)itmp) == NULL) | |
| 7575 return NULL; | |
| 7576 # endif | |
| 7577 # endif | |
| 7578 | |
| 7579 return vim_strsave(itmp); | |
| 7580 # endif /* WIN3264 */ | |
| 7581 #endif /* TEMPDIRNAMES */ | |
| 7582 } | |
| 7583 | |
| 7584 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7585 /* | |
| 7586 * Convert all backslashes in fname to forward slashes in-place. | |
| 7587 */ | |
| 7588 void | |
| 7589 forward_slash(fname) | |
| 7590 char_u *fname; | |
| 7591 { | |
| 7592 char_u *p; | |
| 7593 | |
| 7594 for (p = fname; *p != NUL; ++p) | |
| 7595 # ifdef FEAT_MBYTE | |
| 7596 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7597 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7598 ++p; |
| 7599 else | |
| 7600 # endif | |
| 7601 if (*p == '\\') | |
| 7602 *p = '/'; | |
| 7603 } | |
| 7604 #endif | |
| 7605 | |
| 7606 | |
| 7607 /* | |
| 7608 * Code for automatic commands. | |
| 7609 * | |
| 7610 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7611 */ | |
| 7612 | |
| 7613 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7614 | |
| 7615 /* | |
| 7616 * The autocommands are stored in a list for each event. | |
| 7617 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7618 * together, to avoid having to match the pattern too often. | |
| 7619 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7620 * | |
| 7621 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7622 * Autopat.cmds Autopat.cmds | |
| 7623 * | | | |
| 7624 * V V | |
| 7625 * AutoCmd.next AutoCmd.next | |
| 7626 * | | | |
| 7627 * V V | |
| 7628 * AutoCmd.next NULL | |
| 7629 * | | |
| 7630 * V | |
| 7631 * NULL | |
| 7632 * | |
| 7633 * first_autopat[1] --> Autopat.next --> NULL | |
| 7634 * Autopat.cmds | |
| 7635 * | | |
| 7636 * V | |
| 7637 * AutoCmd.next | |
| 7638 * | | |
| 7639 * V | |
| 7640 * NULL | |
| 7641 * etc. | |
| 7642 * | |
| 7643 * The order of AutoCmds is important, this is the order in which they were | |
| 7644 * defined and will have to be executed. | |
| 7645 */ | |
| 7646 typedef struct AutoCmd | |
| 7647 { | |
| 7648 char_u *cmd; /* The command to be executed (NULL | |
| 7649 when command has been removed) */ | |
| 7650 char nested; /* If autocommands nest here */ | |
| 7651 char last; /* last command in list */ | |
| 7652 #ifdef FEAT_EVAL | |
| 7653 scid_T scriptID; /* script ID where defined */ | |
| 7654 #endif | |
| 7655 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7656 } AutoCmd; | |
| 7657 | |
| 7658 typedef struct AutoPat | |
| 7659 { | |
| 7660 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7661 has been removed) */ | |
|
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diff
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|
7662 regprog_T *reg_prog; /* compiled regprog for pattern */ |
|
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updated for version 7.3.1177
Bram Moolenaar <bram@vim.org>
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4805
diff
changeset
|
7663 AutoCmd *cmds; /* list of commands to do */ |
|
e79a20f07daa
updated for version 7.3.1177
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4805
diff
changeset
|
7664 struct AutoPat *next; /* next AutoPat in AutoPat list */ |
|
e79a20f07daa
updated for version 7.3.1177
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parents:
4805
diff
changeset
|
7665 int group; /* group ID */ |
| 7 | 7666 int patlen; /* strlen() of pat */ |
|
4861
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Bram Moolenaar <bram@vim.org>
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4805
diff
changeset
|
7667 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7668 char allow_dirs; /* Pattern may match whole path */ |
| 7669 char last; /* last pattern for apply_autocmds() */ | |
| 7670 } AutoPat; | |
| 7671 | |
| 7672 static struct event_name | |
| 7673 { | |
| 7674 char *name; /* event name */ | |
| 661 | 7675 event_T event; /* event number */ |
| 7 | 7676 } event_names[] = |
| 7677 { | |
| 7678 {"BufAdd", EVENT_BUFADD}, | |
| 7679 {"BufCreate", EVENT_BUFADD}, | |
| 7680 {"BufDelete", EVENT_BUFDELETE}, | |
| 7681 {"BufEnter", EVENT_BUFENTER}, | |
| 7682 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7683 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7684 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7685 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7686 {"BufNew", EVENT_BUFNEW}, | |
| 7687 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7688 {"BufRead", EVENT_BUFREADPOST}, | |
| 7689 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7690 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7691 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7692 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7693 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7694 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7695 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7696 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7697 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7698 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7699 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7700 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7701 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7702 {"ColorScheme", EVENT_COLORSCHEME}, |
| 3676 | 7703 {"CompleteDone", EVENT_COMPLETEDONE}, |
| 661 | 7704 {"CursorHold", EVENT_CURSORHOLD}, |
| 7705 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7706 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7707 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7708 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7709 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7710 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7711 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7712 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7713 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7714 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7715 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7716 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7717 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7718 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7719 {"FileType", EVENT_FILETYPE}, | |
| 7720 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7721 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7722 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7723 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7724 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7725 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7726 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7727 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7728 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7729 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7730 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7731 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7732 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7733 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7734 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 2845 | 7735 {"InsertCharPre", EVENT_INSERTCHARPRE}, |
| 434 | 7736 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7737 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7738 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 3568 | 7739 {"QuitPre", EVENT_QUITPRE}, |
| 7 | 7740 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7741 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7742 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7743 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7744 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7745 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7746 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7747 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7748 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7749 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7750 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7751 {"TabEnter", EVENT_TABENTER}, |
| 7752 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7753 {"TermChanged", EVENT_TERMCHANGED}, |
| 7754 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 4232 | 7755 {"TextChanged", EVENT_TEXTCHANGED}, |
| 7756 {"TextChangedI", EVENT_TEXTCHANGEDI}, | |
| 7 | 7757 {"User", EVENT_USER}, |
| 7758 {"VimEnter", EVENT_VIMENTER}, | |
| 7759 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7760 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7761 {"WinEnter", EVENT_WINENTER}, | |
| 7762 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7763 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7764 {NULL, (event_T)0} |
| 7 | 7765 }; |
| 7766 | |
| 7767 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7768 { | |
| 7769 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7770 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7771 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7772 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7773 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7774 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7775 }; |
| 7776 | |
| 7777 /* | |
| 7778 * struct used to keep status while executing autocommands for an event. | |
| 7779 */ | |
| 7780 typedef struct AutoPatCmd | |
| 7781 { | |
| 7782 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7783 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7784 int group; /* group being used */ | |
| 7785 char_u *fname; /* fname to match with */ | |
| 7786 char_u *sfname; /* sfname to match with */ | |
| 7787 char_u *tail; /* tail of fname */ | |
| 661 | 7788 event_T event; /* current event */ |
| 40 | 7789 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7790 buf is deleted */ | |
| 7791 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7792 } AutoPatCmd; |
| 7793 | |
| 297 | 7794 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7795 |
| 7 | 7796 /* |
| 7797 * augroups stores a list of autocmd group names. | |
| 7798 */ | |
| 297 | 7799 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7800 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7801 | |
| 7802 /* | |
| 7803 * The ID of the current group. Group 0 is the default one. | |
| 7804 */ | |
| 7805 static int current_augroup = AUGROUP_DEFAULT; | |
| 7806 | |
| 7807 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7808 | |
| 661 | 7809 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7810 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7811 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7812 static void au_cleanup __ARGS((void)); | |
| 7813 static int au_new_group __ARGS((char_u *name)); | |
| 7814 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7815 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7816 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7817 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7818 static int event_ignored __ARGS((event_T event)); |
| 7 | 7819 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7820 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7821 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 | 7822 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7823 | |
| 40 | 7824 |
| 661 | 7825 static event_T last_event; |
| 7 | 7826 static int last_group; |
| 1410 | 7827 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7828 |
| 7829 /* | |
| 7830 * Show the autocommands for one AutoPat. | |
| 7831 */ | |
| 7832 static void | |
| 7833 show_autocmd(ap, event) | |
| 7834 AutoPat *ap; | |
| 661 | 7835 event_T event; |
| 7 | 7836 { |
| 7837 AutoCmd *ac; | |
| 7838 | |
| 7839 /* Check for "got_int" (here and at various places below), which is set | |
| 7840 * when "q" has been hit for the "--more--" prompt */ | |
| 7841 if (got_int) | |
| 7842 return; | |
| 7843 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7844 return; | |
| 7845 | |
| 7846 msg_putchar('\n'); | |
| 7847 if (got_int) | |
| 7848 return; | |
| 7849 if (event != last_event || ap->group != last_group) | |
| 7850 { | |
| 7851 if (ap->group != AUGROUP_DEFAULT) | |
| 7852 { | |
| 7853 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7854 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7855 else | |
| 7856 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7857 msg_puts((char_u *)" "); | |
| 7858 } | |
| 7859 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7860 last_event = event; | |
| 7861 last_group = ap->group; | |
| 7862 msg_putchar('\n'); | |
| 7863 if (got_int) | |
| 7864 return; | |
| 7865 } | |
| 7866 msg_col = 4; | |
| 7867 msg_outtrans(ap->pat); | |
| 7868 | |
| 7869 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7870 { | |
| 7871 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7872 { | |
| 7873 if (msg_col >= 14) | |
| 7874 msg_putchar('\n'); | |
| 7875 msg_col = 14; | |
| 7876 if (got_int) | |
| 7877 return; | |
| 7878 msg_outtrans(ac->cmd); | |
| 500 | 7879 #ifdef FEAT_EVAL |
| 7880 if (p_verbose > 0) | |
| 7881 last_set_msg(ac->scriptID); | |
| 7882 #endif | |
| 7 | 7883 if (got_int) |
| 7884 return; | |
| 7885 if (ac->next != NULL) | |
| 7886 { | |
| 7887 msg_putchar('\n'); | |
| 7888 if (got_int) | |
| 7889 return; | |
| 7890 } | |
| 7891 } | |
| 7892 } | |
| 7893 } | |
| 7894 | |
| 7895 /* | |
| 7896 * Mark an autocommand pattern for deletion. | |
| 7897 */ | |
| 7898 static void | |
| 7899 au_remove_pat(ap) | |
| 7900 AutoPat *ap; | |
| 7901 { | |
| 7902 vim_free(ap->pat); | |
| 7903 ap->pat = NULL; | |
| 40 | 7904 ap->buflocal_nr = -1; |
| 7 | 7905 au_need_clean = TRUE; |
| 7906 } | |
| 7907 | |
| 7908 /* | |
| 7909 * Mark all commands for a pattern for deletion. | |
| 7910 */ | |
| 7911 static void | |
| 7912 au_remove_cmds(ap) | |
| 7913 AutoPat *ap; | |
| 7914 { | |
| 7915 AutoCmd *ac; | |
| 7916 | |
| 7917 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7918 { | |
| 7919 vim_free(ac->cmd); | |
| 7920 ac->cmd = NULL; | |
| 7921 } | |
| 7922 au_need_clean = TRUE; | |
| 7923 } | |
| 7924 | |
| 7925 /* | |
| 7926 * Cleanup autocommands and patterns that have been deleted. | |
| 7927 * This is only done when not executing autocommands. | |
| 7928 */ | |
| 7929 static void | |
| 7930 au_cleanup() | |
| 7931 { | |
| 7932 AutoPat *ap, **prev_ap; | |
| 7933 AutoCmd *ac, **prev_ac; | |
| 661 | 7934 event_T event; |
| 7 | 7935 |
| 7936 if (autocmd_busy || !au_need_clean) | |
| 7937 return; | |
| 7938 | |
| 7939 /* loop over all events */ | |
| 661 | 7940 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7941 event = (event_T)((int)event + 1)) | |
| 7 | 7942 { |
| 7943 /* loop over all autocommand patterns */ | |
| 7944 prev_ap = &(first_autopat[(int)event]); | |
| 7945 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7946 { | |
| 7947 /* loop over all commands for this pattern */ | |
| 7948 prev_ac = &(ap->cmds); | |
| 7949 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7950 { | |
| 7951 /* remove the command if the pattern is to be deleted or when | |
| 7952 * the command has been marked for deletion */ | |
| 7953 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7954 { | |
| 7955 *prev_ac = ac->next; | |
| 7956 vim_free(ac->cmd); | |
| 7957 vim_free(ac); | |
| 7958 } | |
| 7959 else | |
| 7960 prev_ac = &(ac->next); | |
| 7961 } | |
| 7962 | |
| 7963 /* remove the pattern if it has been marked for deletion */ | |
| 7964 if (ap->pat == NULL) | |
| 7965 { | |
| 7966 *prev_ap = ap->next; | |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4354
diff
changeset
|
7967 vim_regfree(ap->reg_prog); |
| 7 | 7968 vim_free(ap); |
| 7969 } | |
| 7970 else | |
| 7971 prev_ap = &(ap->next); | |
| 7972 } | |
| 7973 } | |
| 7974 | |
| 7975 au_need_clean = FALSE; | |
| 7976 } | |
| 7977 | |
| 7978 /* | |
| 40 | 7979 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7980 * autocmds. | |
| 7981 */ | |
| 7982 void | |
| 7983 aubuflocal_remove(buf) | |
| 7984 buf_T *buf; | |
| 7985 { | |
| 7986 AutoPat *ap; | |
| 661 | 7987 event_T event; |
| 40 | 7988 AutoPatCmd *apc; |
| 7989 | |
| 7990 /* invalidate currently executing autocommands */ | |
| 7991 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7992 if (buf->b_fnum == apc->arg_bufnr) | |
| 7993 apc->arg_bufnr = 0; | |
| 7994 | |
| 7995 /* invalidate buflocals looping through events */ | |
| 661 | 7996 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7997 event = (event_T)((int)event + 1)) | |
| 40 | 7998 /* loop over all autocommand patterns */ |
| 7999 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8000 if (ap->buflocal_nr == buf->b_fnum) | |
| 8001 { | |
| 8002 au_remove_pat(ap); | |
| 8003 if (p_verbose >= 6) | |
| 292 | 8004 { |
| 8005 verbose_enter(); | |
| 40 | 8006 smsg((char_u *) |
| 8007 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 8008 event_nr2name(event), buf->b_fnum); | |
| 292 | 8009 verbose_leave(); |
| 8010 } | |
| 40 | 8011 } |
| 8012 au_cleanup(); | |
| 8013 } | |
| 8014 | |
| 8015 /* | |
| 7 | 8016 * Add an autocmd group name. |
| 8017 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 8018 */ | |
| 8019 static int | |
| 8020 au_new_group(name) | |
| 8021 char_u *name; | |
| 8022 { | |
| 8023 int i; | |
| 8024 | |
| 8025 i = au_find_group(name); | |
| 8026 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 8027 { | |
| 8028 /* First try using a free entry. */ | |
| 8029 for (i = 0; i < augroups.ga_len; ++i) | |
| 8030 if (AUGROUP_NAME(i) == NULL) | |
| 8031 break; | |
| 8032 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 8033 return AUGROUP_ERROR; | |
| 8034 | |
| 8035 AUGROUP_NAME(i) = vim_strsave(name); | |
| 8036 if (AUGROUP_NAME(i) == NULL) | |
| 8037 return AUGROUP_ERROR; | |
| 8038 if (i == augroups.ga_len) | |
| 8039 ++augroups.ga_len; | |
| 8040 } | |
| 8041 | |
| 8042 return i; | |
| 8043 } | |
| 8044 | |
| 8045 static void | |
| 8046 au_del_group(name) | |
| 8047 char_u *name; | |
| 8048 { | |
| 8049 int i; | |
| 8050 | |
| 8051 i = au_find_group(name); | |
| 8052 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 8053 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 8054 else | |
| 8055 { | |
| 8056 vim_free(AUGROUP_NAME(i)); | |
| 8057 AUGROUP_NAME(i) = NULL; | |
| 8058 } | |
| 8059 } | |
| 8060 | |
| 8061 /* | |
| 8062 * Find the ID of an autocmd group name. | |
| 8063 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 8064 */ | |
| 8065 static int | |
| 8066 au_find_group(name) | |
| 8067 char_u *name; | |
| 8068 { | |
| 8069 int i; | |
| 8070 | |
| 8071 for (i = 0; i < augroups.ga_len; ++i) | |
| 8072 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 8073 return i; | |
| 8074 return AUGROUP_ERROR; | |
| 8075 } | |
| 8076 | |
| 461 | 8077 /* |
| 8078 * Return TRUE if augroup "name" exists. | |
| 8079 */ | |
| 8080 int | |
| 8081 au_has_group(name) | |
| 8082 char_u *name; | |
| 8083 { | |
| 8084 return au_find_group(name) != AUGROUP_ERROR; | |
| 8085 } | |
| 8086 | |
| 7 | 8087 /* |
| 8088 * ":augroup {name}". | |
| 8089 */ | |
| 8090 void | |
| 8091 do_augroup(arg, del_group) | |
| 8092 char_u *arg; | |
| 8093 int del_group; | |
| 8094 { | |
| 8095 int i; | |
| 8096 | |
| 8097 if (del_group) | |
| 8098 { | |
| 8099 if (*arg == NUL) | |
| 8100 EMSG(_(e_argreq)); | |
| 8101 else | |
| 8102 au_del_group(arg); | |
| 8103 } | |
| 8104 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 8105 current_augroup = AUGROUP_DEFAULT; | |
| 8106 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 8107 { | |
| 8108 i = au_new_group(arg); | |
| 8109 if (i != AUGROUP_ERROR) | |
| 8110 current_augroup = i; | |
| 8111 } | |
| 8112 else /* ":aug": list the group names */ | |
| 8113 { | |
| 8114 msg_start(); | |
| 8115 for (i = 0; i < augroups.ga_len; ++i) | |
| 8116 { | |
| 8117 if (AUGROUP_NAME(i) != NULL) | |
| 8118 { | |
| 8119 msg_puts(AUGROUP_NAME(i)); | |
| 8120 msg_puts((char_u *)" "); | |
| 8121 } | |
| 8122 } | |
| 8123 msg_clr_eos(); | |
| 8124 msg_end(); | |
| 8125 } | |
| 8126 } | |
| 8127 | |
| 355 | 8128 #if defined(EXITFREE) || defined(PROTO) |
| 8129 void | |
| 8130 free_all_autocmds() | |
| 8131 { | |
| 8132 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 8133 ++current_augroup) | |
| 8134 do_autocmd((char_u *)"", TRUE); | |
| 8135 ga_clear_strings(&augroups); | |
| 8136 } | |
| 8137 #endif | |
| 8138 | |
| 7 | 8139 /* |
| 8140 * Return the event number for event name "start". | |
| 8141 * Return NUM_EVENTS if the event name was not found. | |
| 8142 * Return a pointer to the next event name in "end". | |
| 8143 */ | |
| 661 | 8144 static event_T |
| 7 | 8145 event_name2nr(start, end) |
| 8146 char_u *start; | |
| 8147 char_u **end; | |
| 8148 { | |
| 8149 char_u *p; | |
| 8150 int i; | |
| 8151 int len; | |
| 8152 | |
| 8153 /* the event name ends with end of line, a blank or a comma */ | |
| 8154 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 8155 ; | |
| 8156 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8157 { | |
| 8158 len = (int)STRLEN(event_names[i].name); | |
| 8159 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 8160 break; | |
| 8161 } | |
| 8162 if (*p == ',') | |
| 8163 ++p; | |
| 8164 *end = p; | |
| 8165 if (event_names[i].name == NULL) | |
| 8166 return NUM_EVENTS; | |
| 8167 return event_names[i].event; | |
| 8168 } | |
| 8169 | |
| 8170 /* | |
| 8171 * Return the name for event "event". | |
| 8172 */ | |
| 8173 static char_u * | |
| 8174 event_nr2name(event) | |
| 661 | 8175 event_T event; |
| 7 | 8176 { |
| 8177 int i; | |
| 8178 | |
| 8179 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8180 if (event_names[i].event == event) | |
| 8181 return (char_u *)event_names[i].name; | |
| 8182 return (char_u *)"Unknown"; | |
| 8183 } | |
| 8184 | |
| 8185 /* | |
| 8186 * Scan over the events. "*" stands for all events. | |
| 8187 */ | |
| 8188 static char_u * | |
| 8189 find_end_event(arg, have_group) | |
| 8190 char_u *arg; | |
| 8191 int have_group; /* TRUE when group name was found */ | |
| 8192 { | |
| 8193 char_u *pat; | |
| 8194 char_u *p; | |
| 8195 | |
| 8196 if (*arg == '*') | |
| 8197 { | |
| 8198 if (arg[1] && !vim_iswhite(arg[1])) | |
| 8199 { | |
| 8200 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 8201 return NULL; | |
| 8202 } | |
| 8203 pat = arg + 1; | |
| 8204 } | |
| 8205 else | |
| 8206 { | |
| 8207 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 8208 { | |
| 8209 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 8210 { | |
| 8211 if (have_group) | |
| 8212 EMSG2(_("E216: No such event: %s"), pat); | |
| 8213 else | |
| 8214 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 8215 return NULL; | |
| 8216 } | |
| 8217 } | |
| 8218 } | |
| 8219 return pat; | |
| 8220 } | |
| 8221 | |
| 8222 /* | |
| 8223 * Return TRUE if "event" is included in 'eventignore'. | |
| 8224 */ | |
| 8225 static int | |
| 8226 event_ignored(event) | |
| 661 | 8227 event_T event; |
| 7 | 8228 { |
| 8229 char_u *p = p_ei; | |
| 8230 | |
| 844 | 8231 while (*p != NUL) |
| 8232 { | |
| 8233 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8234 return TRUE; | |
| 7 | 8235 if (event_name2nr(p, &p) == event) |
| 8236 return TRUE; | |
| 844 | 8237 } |
| 7 | 8238 |
| 8239 return FALSE; | |
| 8240 } | |
| 8241 | |
| 8242 /* | |
| 8243 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 8244 */ | |
| 8245 int | |
| 8246 check_ei() | |
| 8247 { | |
| 8248 char_u *p = p_ei; | |
| 8249 | |
| 8250 while (*p) | |
| 844 | 8251 { |
| 8252 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8253 { | |
| 8254 p += 3; | |
| 8255 if (*p == ',') | |
| 8256 ++p; | |
| 8257 } | |
| 8258 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 8259 return FAIL; |
| 844 | 8260 } |
| 7 | 8261 |
| 8262 return OK; | |
| 8263 } | |
| 8264 | |
| 123 | 8265 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 8266 | |
| 8267 /* | |
| 8268 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 8269 * buffer loaded into the window. "what" must start with a comma. | |
| 8270 * Returns the old value of 'eventignore' in allocated memory. | |
| 8271 */ | |
| 8272 char_u * | |
| 8273 au_event_disable(what) | |
| 8274 char *what; | |
| 8275 { | |
| 8276 char_u *new_ei; | |
| 8277 char_u *save_ei; | |
| 8278 | |
| 8279 save_ei = vim_strsave(p_ei); | |
| 8280 if (save_ei != NULL) | |
| 8281 { | |
| 557 | 8282 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 8283 if (new_ei != NULL) |
| 8284 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8285 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8286 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8287 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8288 STRCAT(new_ei, what); |
| 694 | 8289 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 8290 OPT_FREE, SID_NONE); | |
| 123 | 8291 vim_free(new_ei); |
| 8292 } | |
| 8293 } | |
| 8294 return save_ei; | |
| 8295 } | |
| 8296 | |
| 8297 void | |
| 8298 au_event_restore(old_ei) | |
| 8299 char_u *old_ei; | |
| 8300 { | |
| 8301 if (old_ei != NULL) | |
| 8302 { | |
| 694 | 8303 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 8304 OPT_FREE, SID_NONE); | |
| 123 | 8305 vim_free(old_ei); |
| 8306 } | |
| 8307 } | |
| 8308 # endif /* FEAT_SYN_HL */ | |
| 8309 | |
| 7 | 8310 /* |
| 8311 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 8312 * following ways: | |
| 8313 * | |
| 8314 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 8315 * will be automatically executed for <event> | |
| 8316 * when editing a file matching <pat>, in | |
| 8317 * the current group. | |
| 8318 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 8319 * <event> and <pat>. | |
| 8320 * :autocmd <event> Show the auto-commands associated with | |
| 8321 * <event>. | |
| 8322 * :autocmd Show all auto-commands. | |
| 8323 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 8324 * <event> and <pat>, and add the command | |
| 8325 * <cmd>, for the current group. | |
| 8326 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 8327 * <event> and <pat> for the current group. | |
| 8328 * :autocmd! <event> Remove all auto-commands associated with | |
| 8329 * <event> for the current group. | |
| 8330 * :autocmd! Remove ALL auto-commands for the current | |
| 8331 * group. | |
| 8332 * | |
| 8333 * Multiple events and patterns may be given separated by commas. Here are | |
| 8334 * some examples: | |
| 8335 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 8336 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 8337 * | |
| 8338 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 8339 * |
| 8340 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 8341 */ |
| 8342 void | |
| 8343 do_autocmd(arg, forceit) | |
| 8344 char_u *arg; | |
| 8345 int forceit; | |
| 8346 { | |
| 8347 char_u *pat; | |
| 8348 char_u *envpat = NULL; | |
| 8349 char_u *cmd; | |
| 661 | 8350 event_T event; |
| 7 | 8351 int need_free = FALSE; |
| 8352 int nested = FALSE; | |
| 8353 int group; | |
| 8354 | |
| 8355 /* | |
| 8356 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8357 */ | |
| 8358 group = au_get_grouparg(&arg); | |
| 8359 if (arg == NULL) /* out of memory */ | |
| 8360 return; | |
| 8361 | |
| 8362 /* | |
| 8363 * Scan over the events. | |
| 8364 * If we find an illegal name, return here, don't do anything. | |
| 8365 */ | |
| 8366 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8367 if (pat == NULL) | |
| 8368 return; | |
| 8369 | |
| 8370 /* | |
| 8371 * Scan over the pattern. Put a NUL at the end. | |
| 8372 */ | |
| 8373 pat = skipwhite(pat); | |
| 8374 cmd = pat; | |
| 8375 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8376 cmd++; | |
| 8377 if (*cmd) | |
| 8378 *cmd++ = NUL; | |
| 8379 | |
| 8380 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8381 * forward slashes here. */ | |
| 8382 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8383 { | |
| 8384 #ifdef BACKSLASH_IN_FILENAME | |
| 8385 int p_ssl_save = p_ssl; | |
| 8386 | |
| 8387 p_ssl = TRUE; | |
| 8388 #endif | |
| 8389 envpat = expand_env_save(pat); | |
| 8390 #ifdef BACKSLASH_IN_FILENAME | |
| 8391 p_ssl = p_ssl_save; | |
| 8392 #endif | |
| 8393 if (envpat != NULL) | |
| 8394 pat = envpat; | |
| 8395 } | |
| 8396 | |
| 8397 /* | |
| 8398 * Check for "nested" flag. | |
| 8399 */ | |
| 8400 cmd = skipwhite(cmd); | |
| 8401 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8402 { | |
| 8403 nested = TRUE; | |
| 8404 cmd = skipwhite(cmd + 6); | |
| 8405 } | |
| 8406 | |
| 8407 /* | |
| 8408 * Find the start of the commands. | |
| 8409 * Expand <sfile> in it. | |
| 8410 */ | |
| 8411 if (*cmd != NUL) | |
| 8412 { | |
| 8413 cmd = expand_sfile(cmd); | |
| 8414 if (cmd == NULL) /* some error */ | |
| 8415 return; | |
| 8416 need_free = TRUE; | |
| 8417 } | |
| 8418 | |
| 8419 /* | |
| 8420 * Print header when showing autocommands. | |
| 8421 */ | |
| 8422 if (!forceit && *cmd == NUL) | |
| 8423 { | |
| 8424 /* Highlight title */ | |
| 8425 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8426 } | |
| 8427 | |
| 8428 /* | |
| 8429 * Loop over the events. | |
| 8430 */ | |
| 661 | 8431 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8432 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8433 if (*arg == '*' || *arg == NUL) | |
| 8434 { | |
| 661 | 8435 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8436 event = (event_T)((int)event + 1)) | |
| 7 | 8437 if (do_autocmd_event(event, pat, |
| 8438 nested, cmd, forceit, group) == FAIL) | |
| 8439 break; | |
| 8440 } | |
| 8441 else | |
| 8442 { | |
| 8443 while (*arg && !vim_iswhite(*arg)) | |
| 8444 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8445 nested, cmd, forceit, group) == FAIL) | |
| 8446 break; | |
| 8447 } | |
| 8448 | |
| 8449 if (need_free) | |
| 8450 vim_free(cmd); | |
| 8451 vim_free(envpat); | |
| 8452 } | |
| 8453 | |
| 8454 /* | |
| 8455 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8456 * The "argp" argument is advanced to the following argument. | |
| 8457 * | |
| 8458 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8459 */ | |
| 8460 static int | |
| 8461 au_get_grouparg(argp) | |
| 8462 char_u **argp; | |
| 8463 { | |
| 8464 char_u *group_name; | |
| 8465 char_u *p; | |
| 8466 char_u *arg = *argp; | |
| 8467 int group = AUGROUP_ALL; | |
| 8468 | |
| 8469 p = skiptowhite(arg); | |
| 8470 if (p > arg) | |
| 8471 { | |
| 8472 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8473 if (group_name == NULL) /* out of memory */ | |
| 8474 return AUGROUP_ERROR; | |
| 8475 group = au_find_group(group_name); | |
| 8476 if (group == AUGROUP_ERROR) | |
| 8477 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8478 else | |
| 8479 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8480 vim_free(group_name); | |
| 8481 } | |
| 8482 return group; | |
| 8483 } | |
| 8484 | |
| 8485 /* | |
| 8486 * do_autocmd() for one event. | |
| 8487 * If *pat == NUL do for all patterns. | |
| 8488 * If *cmd == NUL show entries. | |
| 8489 * If forceit == TRUE delete entries. | |
| 8490 * If group is not AUGROUP_ALL, only use this group. | |
| 8491 */ | |
| 8492 static int | |
| 8493 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8494 event_T event; |
| 7 | 8495 char_u *pat; |
| 8496 int nested; | |
| 8497 char_u *cmd; | |
| 8498 int forceit; | |
| 8499 int group; | |
| 8500 { | |
| 8501 AutoPat *ap; | |
| 8502 AutoPat **prev_ap; | |
| 8503 AutoCmd *ac; | |
| 8504 AutoCmd **prev_ac; | |
| 8505 int brace_level; | |
| 8506 char_u *endpat; | |
| 8507 int findgroup; | |
| 8508 int allgroups; | |
| 8509 int patlen; | |
| 856 | 8510 int is_buflocal; |
| 40 | 8511 int buflocal_nr; |
| 8512 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8513 |
| 8514 if (group == AUGROUP_ALL) | |
| 8515 findgroup = current_augroup; | |
| 8516 else | |
| 8517 findgroup = group; | |
| 8518 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8519 | |
| 8520 /* | |
| 8521 * Show or delete all patterns for an event. | |
| 8522 */ | |
| 8523 if (*pat == NUL) | |
| 8524 { | |
| 8525 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8526 { | |
| 8527 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8528 { | |
| 8529 if (ap->group == findgroup) | |
| 8530 au_remove_pat(ap); | |
| 8531 } | |
| 8532 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8533 show_autocmd(ap, event); | |
| 8534 } | |
| 8535 } | |
| 8536 | |
| 8537 /* | |
| 8538 * Loop through all the specified patterns. | |
| 8539 */ | |
| 8540 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8541 { | |
| 8542 /* | |
| 8543 * Find end of the pattern. | |
| 8544 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8545 */ | |
| 8546 brace_level = 0; | |
| 8547 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8548 || endpat[-1] == '\\'); ++endpat) | |
| 8549 { | |
| 8550 if (*endpat == '{') | |
| 8551 brace_level++; | |
| 8552 else if (*endpat == '}') | |
| 8553 brace_level--; | |
| 8554 } | |
| 8555 if (pat == endpat) /* ignore single comma */ | |
| 8556 continue; | |
| 8557 patlen = (int)(endpat - pat); | |
| 8558 | |
| 8559 /* | |
| 40 | 8560 * detect special <buflocal[=X]> buffer-local patterns |
| 8561 */ | |
| 8562 is_buflocal = FALSE; | |
| 8563 buflocal_nr = 0; | |
| 8564 | |
| 8565 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8566 && pat[patlen - 1] == '>') | |
| 8567 { | |
| 8568 /* Error will be printed only for addition. printing and removing | |
| 8569 * will proceed silently. */ | |
| 8570 is_buflocal = TRUE; | |
| 8571 if (patlen == 8) | |
| 8572 buflocal_nr = curbuf->b_fnum; | |
| 8573 else if (patlen > 9 && pat[7] == '=') | |
| 8574 { | |
| 8575 /* <buffer=abuf> */ | |
| 8576 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8577 buflocal_nr = autocmd_bufnr; | |
| 8578 /* <buffer=123> */ | |
| 8579 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8580 buflocal_nr = atoi((char *)pat + 8); | |
| 8581 } | |
| 8582 } | |
| 8583 | |
| 8584 if (is_buflocal) | |
| 8585 { | |
| 8586 /* normalize pat into standard "<buffer>#N" form */ | |
| 8587 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8588 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8589 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8590 } |
| 8591 | |
| 8592 /* | |
| 7 | 8593 * Find AutoPat entries with this pattern. |
| 8594 */ | |
| 8595 prev_ap = &first_autopat[(int)event]; | |
| 8596 while ((ap = *prev_ap) != NULL) | |
| 8597 { | |
| 8598 if (ap->pat != NULL) | |
| 8599 { | |
| 8600 /* Accept a pattern when: | |
| 8601 * - a group was specified and it's that group, or a group was | |
| 8602 * not specified and it's the current group, or a group was | |
| 8603 * not specified and we are listing | |
| 8604 * - the length of the pattern matches | |
| 40 | 8605 * - the pattern matches. |
| 8606 * For <buffer[=X]>, this condition works because we normalize | |
| 8607 * all buffer-local patterns. | |
| 7 | 8608 */ |
| 8609 if ((allgroups || ap->group == findgroup) | |
| 8610 && ap->patlen == patlen | |
| 8611 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8612 { | |
| 8613 /* | |
| 8614 * Remove existing autocommands. | |
| 8615 * If adding any new autocmd's for this AutoPat, don't | |
| 8616 * delete the pattern from the autopat list, append to | |
| 8617 * this list. | |
| 8618 */ | |
| 8619 if (forceit) | |
| 8620 { | |
| 8621 if (*cmd != NUL && ap->next == NULL) | |
| 8622 { | |
| 8623 au_remove_cmds(ap); | |
| 8624 break; | |
| 8625 } | |
| 8626 au_remove_pat(ap); | |
| 8627 } | |
| 8628 | |
| 8629 /* | |
| 40 | 8630 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8631 */ |
| 8632 else if (*cmd == NUL) | |
| 8633 show_autocmd(ap, event); | |
| 8634 | |
| 8635 /* | |
| 8636 * Add autocmd to this autopat, if it's the last one. | |
| 8637 */ | |
| 8638 else if (ap->next == NULL) | |
| 8639 break; | |
| 8640 } | |
| 8641 } | |
| 8642 prev_ap = &ap->next; | |
| 8643 } | |
| 8644 | |
| 8645 /* | |
| 8646 * Add a new command. | |
| 8647 */ | |
| 8648 if (*cmd != NUL) | |
| 8649 { | |
| 8650 /* | |
| 8651 * If the pattern we want to add a command to does appear at the | |
| 8652 * end of the list (or not is not in the list at all), add the | |
| 8653 * pattern at the end of the list. | |
| 8654 */ | |
| 8655 if (ap == NULL) | |
| 8656 { | |
| 40 | 8657 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8658 if (is_buflocal && (buflocal_nr == 0 | |
| 8659 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8660 { | |
| 8661 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8662 buflocal_nr); | |
| 8663 return FAIL; | |
| 8664 } | |
| 8665 | |
| 7 | 8666 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8667 if (ap == NULL) | |
| 8668 return FAIL; | |
| 8669 ap->pat = vim_strnsave(pat, patlen); | |
| 8670 ap->patlen = patlen; | |
| 8671 if (ap->pat == NULL) | |
| 8672 { | |
| 8673 vim_free(ap); | |
| 8674 return FAIL; | |
| 8675 } | |
| 40 | 8676 |
| 8677 if (is_buflocal) | |
| 8678 { | |
| 8679 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8680 ap->reg_prog = NULL; |
| 40 | 8681 } |
| 8682 else | |
| 7 | 8683 { |
| 153 | 8684 char_u *reg_pat; |
| 8685 | |
| 40 | 8686 ap->buflocal_nr = 0; |
| 153 | 8687 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8688 &ap->allow_dirs, TRUE); |
| 153 | 8689 if (reg_pat != NULL) |
| 8690 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8691 vim_free(reg_pat); |
| 153 | 8692 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8693 { |
| 8694 vim_free(ap->pat); | |
| 8695 vim_free(ap); | |
| 8696 return FAIL; | |
| 8697 } | |
| 7 | 8698 } |
| 8699 ap->cmds = NULL; | |
| 8700 *prev_ap = ap; | |
| 8701 ap->next = NULL; | |
| 8702 if (group == AUGROUP_ALL) | |
| 8703 ap->group = current_augroup; | |
| 8704 else | |
| 8705 ap->group = group; | |
| 8706 } | |
| 8707 | |
| 8708 /* | |
| 8709 * Add the autocmd at the end of the AutoCmd list. | |
| 8710 */ | |
| 8711 prev_ac = &(ap->cmds); | |
| 8712 while ((ac = *prev_ac) != NULL) | |
| 8713 prev_ac = &ac->next; | |
| 8714 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8715 if (ac == NULL) | |
| 8716 return FAIL; | |
| 8717 ac->cmd = vim_strsave(cmd); | |
| 8718 #ifdef FEAT_EVAL | |
| 8719 ac->scriptID = current_SID; | |
| 8720 #endif | |
| 8721 if (ac->cmd == NULL) | |
| 8722 { | |
| 8723 vim_free(ac); | |
| 8724 return FAIL; | |
| 8725 } | |
| 8726 ac->next = NULL; | |
| 8727 *prev_ac = ac; | |
| 8728 ac->nested = nested; | |
| 8729 } | |
| 8730 } | |
| 8731 | |
| 8732 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8733 return OK; | |
| 8734 } | |
| 8735 | |
| 8736 /* | |
| 8737 * Implementation of ":doautocmd [group] event [fname]". | |
| 8738 * Return OK for success, FAIL for failure; | |
| 8739 */ | |
| 8740 int | |
| 8741 do_doautocmd(arg, do_msg) | |
| 8742 char_u *arg; | |
| 8743 int do_msg; /* give message for no matching autocmds? */ | |
| 8744 { | |
| 8745 char_u *fname; | |
| 8746 int nothing_done = TRUE; | |
| 8747 int group; | |
| 8748 | |
| 8749 /* | |
| 8750 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8751 */ | |
| 8752 group = au_get_grouparg(&arg); | |
| 8753 if (arg == NULL) /* out of memory */ | |
| 8754 return FAIL; | |
| 8755 | |
| 8756 if (*arg == '*') | |
| 8757 { | |
| 8758 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8759 return FAIL; | |
| 8760 } | |
| 8761 | |
| 8762 /* | |
| 8763 * Scan over the events. | |
| 8764 * If we find an illegal name, return here, don't do anything. | |
| 8765 */ | |
| 8766 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8767 if (fname == NULL) | |
| 8768 return FAIL; | |
| 8769 | |
| 8770 fname = skipwhite(fname); | |
| 8771 | |
| 8772 /* | |
| 8773 * Loop over the events. | |
| 8774 */ | |
| 8775 while (*arg && !vim_iswhite(*arg)) | |
| 8776 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8777 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8778 nothing_done = FALSE; | |
| 8779 | |
| 8780 if (nothing_done && do_msg) | |
| 8781 MSG(_("No matching autocommands")); | |
| 8782 | |
| 8783 #ifdef FEAT_EVAL | |
| 8784 return aborting() ? FAIL : OK; | |
| 8785 #else | |
| 8786 return OK; | |
| 8787 #endif | |
| 8788 } | |
| 8789 | |
| 8790 /* | |
| 8791 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8792 */ | |
| 8793 void | |
| 8794 ex_doautoall(eap) | |
| 8795 exarg_T *eap; | |
| 8796 { | |
| 8797 int retval; | |
| 8798 aco_save_T aco; | |
| 8799 buf_T *buf; | |
| 3342 | 8800 char_u *arg = eap->arg; |
| 3350 | 8801 int call_do_modelines = check_nomodeline(&arg); |
| 7 | 8802 |
| 8803 /* | |
| 8804 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8805 * equal to curbuf, but for some buffers there may not be a window. | |
| 8806 * So we change the buffer for the current window for a moment. This | |
| 8807 * gives problems when the autocommands make changes to the list of | |
| 8808 * buffers or windows... | |
| 8809 */ | |
| 8810 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8811 { | |
| 1665 | 8812 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8813 { |
| 8814 /* find a window for this buffer and save some values */ | |
| 8815 aucmd_prepbuf(&aco, buf); | |
| 8816 | |
| 8817 /* execute the autocommands for this buffer */ | |
| 3342 | 8818 retval = do_doautocmd(arg, FALSE); |
| 8819 | |
| 8820 if (call_do_modelines) | |
| 8821 { | |
| 8822 /* Execute the modeline settings, but don't set window-local | |
| 8823 * options if we are using the current window for another | |
| 8824 * buffer. */ | |
| 8825 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); | |
| 8826 } | |
| 7 | 8827 |
| 8828 /* restore the current window */ | |
| 8829 aucmd_restbuf(&aco); | |
| 8830 | |
| 8831 /* stop if there is some error or buffer was deleted */ | |
| 8832 if (retval == FAIL || !buf_valid(buf)) | |
| 8833 break; | |
| 8834 } | |
| 8835 } | |
| 8836 | |
| 8837 check_cursor(); /* just in case lines got deleted */ | |
| 8838 } | |
| 8839 | |
| 8840 /* | |
| 3350 | 8841 * Check *argp for <nomodeline>. When it is present return FALSE, otherwise |
| 8842 * return TRUE and advance *argp to after it. | |
| 8843 * Thus return TRUE when do_modelines() should be called. | |
| 8844 */ | |
| 8845 int | |
| 8846 check_nomodeline(argp) | |
| 8847 char_u **argp; | |
| 8848 { | |
| 8849 if (STRNCMP(*argp, "<nomodeline>", 12) == 0) | |
| 8850 { | |
| 8851 *argp = skipwhite(*argp + 12); | |
| 8852 return FALSE; | |
| 8853 } | |
| 8854 return TRUE; | |
| 8855 } | |
| 8856 | |
| 8857 /* | |
| 7 | 8858 * Prepare for executing autocommands for (hidden) buffer "buf". |
| 1906 | 8859 * Search for a visible window containing the current buffer. If there isn't |
| 8860 * one then use "aucmd_win". | |
| 7 | 8861 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8862 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8863 */ |
| 8864 void | |
| 8865 aucmd_prepbuf(aco, buf) | |
| 8866 aco_save_T *aco; /* structure to save values in */ | |
| 8867 buf_T *buf; /* new curbuf */ | |
| 8868 { | |
| 8869 win_T *win; | |
| 1906 | 8870 #ifdef FEAT_WINDOWS |
| 8871 int save_ea; | |
| 8872 #endif | |
|
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|
8873 #ifdef FEAT_AUTOCHDIR |
|
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|
8874 int save_acd; |
|
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|
8875 #endif |
| 7 | 8876 |
| 8877 /* Find a window that is for the new buffer */ | |
| 8878 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8879 win = curwin; | |
| 8880 else | |
| 8881 #ifdef FEAT_WINDOWS | |
| 8882 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8883 if (win->w_buffer == buf) | |
| 8884 break; | |
| 8885 #else | |
| 8886 win = NULL; | |
| 8887 #endif | |
| 8888 | |
| 1906 | 8889 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8890 * back to using the current window. */ | |
| 8891 if (win == NULL && aucmd_win == NULL) | |
| 8892 { | |
| 8893 win_alloc_aucmd_win(); | |
| 8894 if (aucmd_win == NULL) | |
| 8895 win = curwin; | |
| 8896 } | |
| 1944 | 8897 if (win == NULL && aucmd_win_used) |
| 8898 /* Strange recursive autocommand, fall back to using the current | |
| 8899 * window. Expect a few side effects... */ | |
| 8900 win = curwin; | |
| 1906 | 8901 |
| 8902 aco->save_curwin = curwin; | |
| 8903 aco->save_curbuf = curbuf; | |
| 7 | 8904 if (win != NULL) |
| 8905 { | |
| 1906 | 8906 /* There is a window for "buf" in the current tab page, make it the |
| 8907 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8908 * "buf" is curbuf). */ | |
| 1944 | 8909 aco->use_aucmd_win = FALSE; |
| 7 | 8910 curwin = win; |
| 8911 } | |
| 8912 else | |
| 8913 { | |
| 1906 | 8914 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 4352 | 8915 * effects, insert it in the current tab page. |
| 1906 | 8916 * Anything related to a window (e.g., setting folds) may have |
| 8917 * unexpected results. */ | |
| 1944 | 8918 aco->use_aucmd_win = TRUE; |
| 8919 aucmd_win_used = TRUE; | |
| 1918 | 8920 aucmd_win->w_buffer = buf; |
|
2258
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|
8921 aucmd_win->w_s = &buf->b_s; |
| 7 | 8922 ++buf->b_nwindows; |
| 1918 | 8923 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8924 |
| 8925 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8926 * win_enter_ext(). */ | |
|
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|
8927 vim_free(aucmd_win->w_localdir); |
| 1944 | 8928 aucmd_win->w_localdir = NULL; |
| 8929 aco->globaldir = globaldir; | |
| 8930 globaldir = NULL; | |
| 8931 | |
| 7 | 8932 |
| 1906 | 8933 #ifdef FEAT_WINDOWS |
| 1923 | 8934 /* Split the current window, put the aucmd_win in the upper half. |
| 8935 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8936 block_autocmds(); | |
| 1906 | 8937 make_snapshot(SNAP_AUCMD_IDX); |
| 8938 save_ea = p_ea; | |
| 8939 p_ea = FALSE; | |
|
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|
8940 |
|
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|
8941 # ifdef FEAT_AUTOCHDIR |
|
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|
8942 /* Prevent chdir() call in win_enter_ext(), through do_autochdir(). */ |
|
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|
8943 save_acd = p_acd; |
|
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|
8944 p_acd = FALSE; |
|
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|
8945 # endif |
|
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|
8946 |
| 1906 | 8947 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); |
| 8948 (void)win_comp_pos(); /* recompute window positions */ | |
| 8949 p_ea = save_ea; | |
|
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|
8950 # ifdef FEAT_AUTOCHDIR |
|
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|
8951 p_acd = save_acd; |
|
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|
8952 # endif |
| 1923 | 8953 unblock_autocmds(); |
| 1906 | 8954 #endif |
| 1918 | 8955 curwin = aucmd_win; |
| 1906 | 8956 } |
| 7 | 8957 curbuf = buf; |
| 1906 | 8958 aco->new_curwin = curwin; |
| 8959 aco->new_curbuf = curbuf; | |
| 7 | 8960 } |
| 8961 | |
| 8962 /* | |
| 8963 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8964 * Restore the window as it was (if possible). | |
| 934 | 8965 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8966 */ |
| 8967 void | |
| 8968 aucmd_restbuf(aco) | |
| 8969 aco_save_T *aco; /* structure holding saved values */ | |
| 8970 { | |
| 1906 | 8971 #ifdef FEAT_WINDOWS |
| 8972 int dummy; | |
| 8973 #endif | |
| 8974 | |
| 1944 | 8975 if (aco->use_aucmd_win) |
| 1906 | 8976 { |
| 8977 --curbuf->b_nwindows; | |
| 8978 #ifdef FEAT_WINDOWS | |
| 8979 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8980 * page. Do not trigger autocommands here. */ |
| 8981 block_autocmds(); | |
| 1906 | 8982 if (curwin != aucmd_win) |
| 8983 { | |
| 8984 tabpage_T *tp; | |
| 8985 win_T *wp; | |
| 8986 | |
| 8987 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8988 { | |
| 8989 if (wp == aucmd_win) | |
| 8990 { | |
| 8991 if (tp != curtab) | |
| 4354 | 8992 goto_tabpage_tp(tp, TRUE, TRUE); |
| 1906 | 8993 win_goto(aucmd_win); |
| 3340 | 8994 goto win_found; |
| 1906 | 8995 } |
| 8996 } | |
| 8997 } | |
| 3340 | 8998 win_found: |
| 1906 | 8999 |
| 9000 /* Remove the window and frame from the tree of frames. */ | |
| 9001 (void)winframe_remove(curwin, &dummy, NULL); | |
| 9002 win_remove(curwin, NULL); | |
| 1944 | 9003 aucmd_win_used = FALSE; |
| 1906 | 9004 last_status(FALSE); /* may need to remove last status line */ |
| 9005 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 9006 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 9007 unblock_autocmds(); |
| 1906 | 9008 |
| 9009 if (win_valid(aco->save_curwin)) | |
| 9010 curwin = aco->save_curwin; | |
| 9011 else | |
| 9012 /* Hmm, original window disappeared. Just use the first one. */ | |
| 9013 curwin = firstwin; | |
| 9014 # ifdef FEAT_EVAL | |
| 4287 | 9015 vars_clear(&aucmd_win->w_vars->dv_hashtab); /* free all w: variables */ |
| 9016 hash_init(&aucmd_win->w_vars->dv_hashtab); /* re-use the hashtab */ | |
| 1906 | 9017 # endif |
| 9018 #else | |
| 9019 curwin = aco->save_curwin; | |
| 9020 #endif | |
| 9021 curbuf = curwin->w_buffer; | |
| 9022 | |
| 1944 | 9023 vim_free(globaldir); |
| 9024 globaldir = aco->globaldir; | |
| 9025 | |
| 1906 | 9026 /* the buffer contents may have changed */ |
| 9027 check_cursor(); | |
| 9028 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 9029 { | |
| 9030 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 9031 #ifdef FEAT_DIFF | |
| 9032 curwin->w_topfill = 0; | |
| 9033 #endif | |
| 9034 } | |
| 9035 #if defined(FEAT_GUI) | |
| 9036 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 9037 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 9038 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 9039 gui_may_update_scrollbars(); | |
| 9040 #endif | |
| 9041 } | |
| 9042 else | |
| 7 | 9043 { |
| 9044 /* restore curwin */ | |
| 9045 #ifdef FEAT_WINDOWS | |
| 9046 if (win_valid(aco->save_curwin)) | |
| 9047 #endif | |
| 9048 { | |
| 1906 | 9049 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 9050 * it was changed, we are still the same window and the buffer is |
| 1906 | 9051 * valid. */ |
| 7 | 9052 if (curwin == aco->new_curwin |
| 1906 | 9053 && curbuf != aco->new_curbuf |
| 9054 && buf_valid(aco->new_curbuf) | |
| 9055 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 9056 { |
| 3497 | 9057 # if defined(FEAT_SYN_HL) || defined(FEAT_SPELL) |
| 9058 if (curwin->w_s == &curbuf->b_s) | |
| 9059 curwin->w_s = &aco->new_curbuf->b_s; | |
| 9060 # endif | |
| 7 | 9061 --curbuf->b_nwindows; |
| 1906 | 9062 curbuf = aco->new_curbuf; |
| 7 | 9063 curwin->w_buffer = curbuf; |
| 9064 ++curbuf->b_nwindows; | |
| 9065 } | |
| 9066 | |
| 9067 curwin = aco->save_curwin; | |
| 9068 curbuf = curwin->w_buffer; | |
| 9069 } | |
| 9070 } | |
| 9071 } | |
| 9072 | |
| 9073 static int autocmd_nested = FALSE; | |
| 9074 | |
| 9075 /* | |
| 9076 * Execute autocommands for "event" and file name "fname". | |
| 9077 * Return TRUE if some commands were executed. | |
| 9078 */ | |
| 9079 int | |
| 9080 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 9081 event_T event; |
| 7 | 9082 char_u *fname; /* NULL or empty means use actual file name */ |
| 9083 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 9084 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9085 buf_T *buf; /* buffer for <abuf> */ | |
| 9086 { | |
| 9087 return apply_autocmds_group(event, fname, fname_io, force, | |
| 9088 AUGROUP_ALL, buf, NULL); | |
| 9089 } | |
| 9090 | |
| 9091 /* | |
| 9092 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 9093 * setting v:filearg. | |
| 9094 */ | |
| 9095 static int | |
| 9096 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 9097 event_T event; |
| 7 | 9098 char_u *fname; |
| 9099 char_u *fname_io; | |
| 9100 int force; | |
| 9101 buf_T *buf; | |
| 9102 exarg_T *eap; | |
| 9103 { | |
| 9104 return apply_autocmds_group(event, fname, fname_io, force, | |
| 9105 AUGROUP_ALL, buf, eap); | |
| 9106 } | |
| 9107 | |
| 9108 /* | |
| 9109 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 9110 * processing is being aborted or if retval is FAIL when inside a try | |
| 9111 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 9112 * cause the script to be aborted, retval is set to FAIL. | |
| 9113 */ | |
| 9114 int | |
| 9115 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 9116 event_T event; |
| 7 | 9117 char_u *fname; /* NULL or empty means use actual file name */ |
| 9118 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 9119 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9120 buf_T *buf; /* buffer for <abuf> */ | |
| 9121 int *retval; /* pointer to caller's retval */ | |
| 9122 { | |
| 9123 int did_cmd; | |
| 9124 | |
| 532 | 9125 #ifdef FEAT_EVAL |
| 7 | 9126 if (should_abort(*retval)) |
| 9127 return FALSE; | |
| 532 | 9128 #endif |
| 7 | 9129 |
| 9130 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 9131 AUGROUP_ALL, buf, NULL); | |
| 532 | 9132 if (did_cmd |
| 9133 #ifdef FEAT_EVAL | |
| 9134 && aborting() | |
| 9135 #endif | |
| 9136 ) | |
| 7 | 9137 *retval = FAIL; |
| 9138 return did_cmd; | |
| 9139 } | |
| 9140 | |
| 609 | 9141 /* |
| 9142 * Return TRUE when there is a CursorHold autocommand defined. | |
| 9143 */ | |
| 7 | 9144 int |
| 9145 has_cursorhold() | |
| 9146 { | |
| 661 | 9147 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 9148 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 9149 } |
| 609 | 9150 |
| 9151 /* | |
| 9152 * Return TRUE if the CursorHold event can be triggered. | |
| 9153 */ | |
| 9154 int | |
| 9155 trigger_cursorhold() | |
| 9156 { | |
| 661 | 9157 int state; |
| 9158 | |
| 2976 | 9159 if (!did_cursorhold |
| 9160 && has_cursorhold() | |
| 9161 && !Recording | |
| 9162 && typebuf.tb_len == 0 | |
| 978 | 9163 #ifdef FEAT_INS_EXPAND |
| 9164 && !ins_compl_active() | |
| 9165 #endif | |
| 9166 ) | |
| 661 | 9167 { |
| 9168 state = get_real_state(); | |
| 9169 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 9170 return TRUE; | |
| 9171 } | |
| 9172 return FALSE; | |
| 609 | 9173 } |
| 661 | 9174 |
| 9175 /* | |
| 9176 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 9177 */ | |
| 9178 int | |
| 9179 has_cursormoved() | |
| 9180 { | |
| 9181 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 9182 } | |
| 9183 | |
| 9184 /* | |
| 9185 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 9186 */ | |
| 9187 int | |
| 9188 has_cursormovedI() | |
| 9189 { | |
| 9190 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 9191 } | |
| 7 | 9192 |
| 3390 | 9193 /* |
| 4232 | 9194 * Return TRUE when there is a TextChanged autocommand defined. |
| 9195 */ | |
| 9196 int | |
| 9197 has_textchanged() | |
| 9198 { | |
| 9199 return (first_autopat[(int)EVENT_TEXTCHANGED] != NULL); | |
| 9200 } | |
| 9201 | |
| 9202 /* | |
| 9203 * Return TRUE when there is a TextChangedI autocommand defined. | |
| 9204 */ | |
| 9205 int | |
| 9206 has_textchangedI() | |
| 9207 { | |
| 9208 return (first_autopat[(int)EVENT_TEXTCHANGEDI] != NULL); | |
| 9209 } | |
| 9210 | |
| 9211 /* | |
| 3390 | 9212 * Return TRUE when there is an InsertCharPre autocommand defined. |
| 9213 */ | |
| 9214 int | |
| 9215 has_insertcharpre() | |
| 9216 { | |
| 9217 return (first_autopat[(int)EVENT_INSERTCHARPRE] != NULL); | |
| 9218 } | |
| 9219 | |
| 7 | 9220 static int |
| 9221 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 9222 event_T event; |
| 7 | 9223 char_u *fname; /* NULL or empty means use actual file name */ |
| 9224 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 9225 use fname */ | |
| 9226 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9227 int group; /* group ID, or AUGROUP_ALL */ | |
| 9228 buf_T *buf; /* buffer for <abuf> */ | |
| 9229 exarg_T *eap; /* command arguments */ | |
| 9230 { | |
| 9231 char_u *sfname = NULL; /* short file name */ | |
| 9232 char_u *tail; | |
| 9233 int save_changed; | |
| 9234 buf_T *old_curbuf; | |
| 9235 int retval = FALSE; | |
| 9236 char_u *save_sourcing_name; | |
| 9237 linenr_T save_sourcing_lnum; | |
| 9238 char_u *save_autocmd_fname; | |
| 1723 | 9239 int save_autocmd_fname_full; |
| 7 | 9240 int save_autocmd_bufnr; |
| 9241 char_u *save_autocmd_match; | |
| 9242 int save_autocmd_busy; | |
| 9243 int save_autocmd_nested; | |
| 9244 static int nesting = 0; | |
| 9245 AutoPatCmd patcmd; | |
| 9246 AutoPat *ap; | |
| 9247 #ifdef FEAT_EVAL | |
| 9248 scid_T save_current_SID; | |
| 9249 void *save_funccalp; | |
| 9250 char_u *save_cmdarg; | |
| 9251 long save_cmdbang; | |
| 9252 #endif | |
| 9253 static int filechangeshell_busy = FALSE; | |
| 170 | 9254 #ifdef FEAT_PROFILE |
| 9255 proftime_T wait_time; | |
| 9256 #endif | |
| 7 | 9257 |
| 9258 /* | |
| 9259 * Quickly return if there are no autocommands for this event or | |
| 9260 * autocommands are blocked. | |
| 9261 */ | |
| 1410 | 9262 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 9263 goto BYPASS_AU; |
| 7 | 9264 |
| 9265 /* | |
| 9266 * When autocommands are busy, new autocommands are only executed when | |
| 9267 * explicitly enabled with the "nested" flag. | |
| 9268 */ | |
| 9269 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 9270 goto BYPASS_AU; |
| 7 | 9271 |
| 9272 #ifdef FEAT_EVAL | |
| 9273 /* | |
| 1201 | 9274 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 9275 * occurred or an exception was thrown but not caught. |
| 9276 */ | |
| 9277 if (aborting()) | |
| 40 | 9278 goto BYPASS_AU; |
| 7 | 9279 #endif |
| 9280 | |
| 9281 /* | |
| 9282 * FileChangedShell never nests, because it can create an endless loop. | |
| 9283 */ | |
| 765 | 9284 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 9285 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 9286 goto BYPASS_AU; |
| 7 | 9287 |
| 9288 /* | |
| 9289 * Ignore events in 'eventignore'. | |
| 9290 */ | |
| 9291 if (event_ignored(event)) | |
| 40 | 9292 goto BYPASS_AU; |
| 7 | 9293 |
| 9294 /* | |
| 9295 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 9296 * possible to create an endless loop. | |
| 9297 */ | |
| 9298 if (nesting == 10) | |
| 9299 { | |
| 9300 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 9301 goto BYPASS_AU; |
| 7 | 9302 } |
| 9303 | |
| 9304 /* | |
| 9305 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 9306 * ":ball". | |
| 9307 */ | |
| 9308 if ( (autocmd_no_enter | |
| 9309 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 9310 || (autocmd_no_leave | |
| 9311 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 9312 goto BYPASS_AU; |
| 7 | 9313 |
| 9314 /* | |
| 9315 * Save the autocmd_* variables and info about the current buffer. | |
| 9316 */ | |
| 9317 save_autocmd_fname = autocmd_fname; | |
| 1723 | 9318 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 9319 save_autocmd_bufnr = autocmd_bufnr; |
| 9320 save_autocmd_match = autocmd_match; | |
| 9321 save_autocmd_busy = autocmd_busy; | |
| 9322 save_autocmd_nested = autocmd_nested; | |
| 9323 save_changed = curbuf->b_changed; | |
| 9324 old_curbuf = curbuf; | |
| 9325 | |
| 9326 /* | |
| 9327 * Set the file name to be used for <afile>. | |
| 1471 | 9328 * Make a copy to avoid that changing a buffer name or directory makes it |
| 9329 * invalid. | |
| 7 | 9330 */ |
| 9331 if (fname_io == NULL) | |
| 9332 { | |
| 9333 if (fname != NULL && *fname != NUL) | |
| 9334 autocmd_fname = fname; | |
| 9335 else if (buf != NULL) | |
| 1723 | 9336 autocmd_fname = buf->b_ffname; |
| 7 | 9337 else |
| 9338 autocmd_fname = NULL; | |
| 9339 } | |
| 9340 else | |
| 9341 autocmd_fname = fname_io; | |
| 1471 | 9342 if (autocmd_fname != NULL) |
| 1723 | 9343 autocmd_fname = vim_strsave(autocmd_fname); |
| 9344 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 9345 |
| 9346 /* | |
| 9347 * Set the buffer number to be used for <abuf>. | |
| 9348 */ | |
| 9349 if (buf == NULL) | |
| 9350 autocmd_bufnr = 0; | |
| 9351 else | |
| 9352 autocmd_bufnr = buf->b_fnum; | |
| 9353 | |
| 9354 /* | |
| 9355 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 9356 * Always use the full path of the file name to match with, in case | |
| 9357 * "allow_dirs" is set. | |
| 9358 */ | |
| 9359 if (fname == NULL || *fname == NUL) | |
| 9360 { | |
| 9361 if (buf == NULL) | |
| 9362 fname = NULL; | |
| 9363 else | |
| 9364 { | |
| 9365 #ifdef FEAT_SYN_HL | |
| 9366 if (event == EVENT_SYNTAX) | |
| 9367 fname = buf->b_p_syn; | |
| 9368 else | |
| 9369 #endif | |
| 9370 if (event == EVENT_FILETYPE) | |
| 9371 fname = buf->b_p_ft; | |
| 9372 else | |
| 9373 { | |
| 9374 if (buf->b_sfname != NULL) | |
| 9375 sfname = vim_strsave(buf->b_sfname); | |
| 9376 fname = buf->b_ffname; | |
| 9377 } | |
| 9378 } | |
| 9379 if (fname == NULL) | |
| 9380 fname = (char_u *)""; | |
| 9381 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 9382 } | |
| 9383 else | |
| 9384 { | |
| 9385 sfname = vim_strsave(fname); | |
| 1867 | 9386 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 9387 * QuickFixCmd* */ | |
| 161 | 9388 if (event == EVENT_FILETYPE |
| 9389 || event == EVENT_SYNTAX | |
| 1867 | 9390 || event == EVENT_FUNCUNDEFINED |
| 161 | 9391 || event == EVENT_REMOTEREPLY |
| 649 | 9392 || event == EVENT_SPELLFILEMISSING |
| 161 | 9393 || event == EVENT_QUICKFIXCMDPRE |
| 9394 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 9395 fname = vim_strsave(fname); |
| 9396 else | |
| 9397 fname = FullName_save(fname, FALSE); | |
| 9398 } | |
| 9399 if (fname == NULL) /* out of memory */ | |
| 9400 { | |
| 9401 vim_free(sfname); | |
| 40 | 9402 retval = FALSE; |
| 9403 goto BYPASS_AU; | |
| 7 | 9404 } |
| 9405 | |
| 9406 #ifdef BACKSLASH_IN_FILENAME | |
| 9407 /* | |
| 9408 * Replace all backslashes with forward slashes. This makes the | |
| 9409 * autocommand patterns portable between Unix and MS-DOS. | |
| 9410 */ | |
| 9411 if (sfname != NULL) | |
| 9412 forward_slash(sfname); | |
| 9413 forward_slash(fname); | |
| 9414 #endif | |
| 9415 | |
| 9416 #ifdef VMS | |
| 9417 /* remove version for correct match */ | |
| 9418 if (sfname != NULL) | |
| 9419 vms_remove_version(sfname); | |
| 9420 vms_remove_version(fname); | |
| 9421 #endif | |
| 9422 | |
| 9423 /* | |
| 9424 * Set the name to be used for <amatch>. | |
| 9425 */ | |
| 9426 autocmd_match = fname; | |
| 9427 | |
| 9428 | |
| 9429 /* Don't redraw while doing auto commands. */ | |
| 9430 ++RedrawingDisabled; | |
| 9431 save_sourcing_name = sourcing_name; | |
| 9432 sourcing_name = NULL; /* don't free this one */ | |
| 9433 save_sourcing_lnum = sourcing_lnum; | |
| 9434 sourcing_lnum = 0; /* no line number here */ | |
| 9435 | |
| 9436 #ifdef FEAT_EVAL | |
| 9437 save_current_SID = current_SID; | |
| 9438 | |
| 170 | 9439 # ifdef FEAT_PROFILE |
| 788 | 9440 if (do_profiling == PROF_YES) |
| 170 | 9441 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9442 # endif | |
| 9443 | |
| 7 | 9444 /* Don't use local function variables, if called from a function */ |
| 9445 save_funccalp = save_funccal(); | |
| 9446 #endif | |
| 9447 | |
| 9448 /* | |
| 9449 * When starting to execute autocommands, save the search patterns. | |
| 9450 */ | |
| 9451 if (!autocmd_busy) | |
| 9452 { | |
| 9453 save_search_patterns(); | |
| 9454 saveRedobuff(); | |
| 9455 did_filetype = keep_filetype; | |
| 9456 } | |
| 9457 | |
| 9458 /* | |
| 9459 * Note that we are applying autocmds. Some commands need to know. | |
| 9460 */ | |
| 9461 autocmd_busy = TRUE; | |
| 9462 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9463 ++nesting; /* see matching decrement below */ | |
| 9464 | |
| 9465 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9466 if (event == EVENT_FILETYPE) | |
| 9467 did_filetype = TRUE; | |
| 9468 | |
| 9469 tail = gettail(fname); | |
| 9470 | |
| 9471 /* Find first autocommand that matches */ | |
| 9472 patcmd.curpat = first_autopat[(int)event]; | |
| 9473 patcmd.nextcmd = NULL; | |
| 9474 patcmd.group = group; | |
| 9475 patcmd.fname = fname; | |
| 9476 patcmd.sfname = sfname; | |
| 9477 patcmd.tail = tail; | |
| 9478 patcmd.event = event; | |
| 40 | 9479 patcmd.arg_bufnr = autocmd_bufnr; |
| 9480 patcmd.next = NULL; | |
| 7 | 9481 auto_next_pat(&patcmd, FALSE); |
| 9482 | |
| 9483 /* found one, start executing the autocommands */ | |
| 9484 if (patcmd.curpat != NULL) | |
| 9485 { | |
| 40 | 9486 /* add to active_apc_list */ |
| 9487 patcmd.next = active_apc_list; | |
| 9488 active_apc_list = &patcmd; | |
| 9489 | |
| 7 | 9490 #ifdef FEAT_EVAL |
| 9491 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9492 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9493 if (eap != NULL) | |
| 9494 { | |
| 9495 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9496 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9497 } | |
| 9498 else | |
| 9499 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9500 #endif | |
| 9501 retval = TRUE; | |
| 9502 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9503 * are added when executing autocommands */ | |
| 9504 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9505 ap->last = FALSE; | |
| 9506 ap->last = TRUE; | |
| 9507 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9508 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9509 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9510 #ifdef FEAT_EVAL | |
| 9511 if (eap != NULL) | |
| 9512 { | |
| 9513 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9514 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9515 } | |
| 9516 #endif | |
| 40 | 9517 /* delete from active_apc_list */ |
| 9518 if (active_apc_list == &patcmd) /* just in case */ | |
| 9519 active_apc_list = patcmd.next; | |
| 7 | 9520 } |
| 9521 | |
| 9522 --RedrawingDisabled; | |
| 9523 autocmd_busy = save_autocmd_busy; | |
| 9524 filechangeshell_busy = FALSE; | |
| 9525 autocmd_nested = save_autocmd_nested; | |
| 9526 vim_free(sourcing_name); | |
| 9527 sourcing_name = save_sourcing_name; | |
| 9528 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9529 vim_free(autocmd_fname); |
| 7 | 9530 autocmd_fname = save_autocmd_fname; |
| 1723 | 9531 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9532 autocmd_bufnr = save_autocmd_bufnr; |
| 9533 autocmd_match = save_autocmd_match; | |
| 9534 #ifdef FEAT_EVAL | |
| 9535 current_SID = save_current_SID; | |
| 9536 restore_funccal(save_funccalp); | |
| 170 | 9537 # ifdef FEAT_PROFILE |
| 788 | 9538 if (do_profiling == PROF_YES) |
| 170 | 9539 prof_child_exit(&wait_time); |
| 9540 # endif | |
| 7 | 9541 #endif |
| 9542 vim_free(fname); | |
| 9543 vim_free(sfname); | |
| 9544 --nesting; /* see matching increment above */ | |
| 9545 | |
| 9546 /* | |
| 9547 * When stopping to execute autocommands, restore the search patterns and | |
| 9548 * the redo buffer. | |
| 9549 */ | |
| 9550 if (!autocmd_busy) | |
| 9551 { | |
| 9552 restore_search_patterns(); | |
| 9553 restoreRedobuff(); | |
| 9554 did_filetype = FALSE; | |
| 9555 } | |
| 9556 | |
| 9557 /* | |
| 9558 * Some events don't set or reset the Changed flag. | |
| 9559 * Check if still in the same buffer! | |
| 9560 */ | |
| 9561 if (curbuf == old_curbuf | |
| 9562 && (event == EVENT_BUFREADPOST | |
| 9563 || event == EVENT_BUFWRITEPOST | |
| 9564 || event == EVENT_FILEAPPENDPOST | |
| 9565 || event == EVENT_VIMLEAVE | |
| 9566 || event == EVENT_VIMLEAVEPRE)) | |
| 9567 { | |
| 9568 #ifdef FEAT_TITLE | |
| 9569 if (curbuf->b_changed != save_changed) | |
| 9570 need_maketitle = TRUE; | |
| 9571 #endif | |
| 9572 curbuf->b_changed = save_changed; | |
| 9573 } | |
| 9574 | |
| 9575 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9576 |
| 9577 BYPASS_AU: | |
| 9578 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9579 * are deleted. */ | |
| 9580 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9581 aubuflocal_remove(buf); | |
| 9582 | |
| 7 | 9583 return retval; |
| 9584 } | |
| 9585 | |
| 1410 | 9586 # ifdef FEAT_EVAL |
| 9587 static char_u *old_termresponse = NULL; | |
| 9588 # endif | |
| 9589 | |
| 9590 /* | |
| 9591 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9592 * Can be used recursively, so long as it's symmetric. | |
| 9593 */ | |
| 9594 void | |
| 9595 block_autocmds() | |
| 9596 { | |
| 9597 # ifdef FEAT_EVAL | |
| 9598 /* Remember the value of v:termresponse. */ | |
| 9599 if (autocmd_blocked == 0) | |
| 9600 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9601 # endif | |
| 9602 ++autocmd_blocked; | |
| 9603 } | |
| 9604 | |
| 9605 void | |
| 9606 unblock_autocmds() | |
| 9607 { | |
| 9608 --autocmd_blocked; | |
| 9609 | |
| 9610 # ifdef FEAT_EVAL | |
| 9611 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9612 * the autocommands now. Esp. useful when executing a shell command | |
| 9613 * during startup (vimdiff). */ | |
| 9614 if (autocmd_blocked == 0 | |
| 9615 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9616 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9617 # endif | |
| 9618 } | |
| 9619 | |
|
5008
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9620 int |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9621 is_autocmd_blocked() |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9622 { |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9623 return autocmd_blocked != 0; |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9624 } |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9625 |
| 7 | 9626 /* |
| 9627 * Find next autocommand pattern that matches. | |
| 9628 */ | |
| 9629 static void | |
| 9630 auto_next_pat(apc, stop_at_last) | |
| 9631 AutoPatCmd *apc; | |
| 9632 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9633 { | |
| 9634 AutoPat *ap; | |
| 9635 AutoCmd *cp; | |
| 9636 char_u *name; | |
| 9637 char *s; | |
| 9638 | |
| 9639 vim_free(sourcing_name); | |
| 9640 sourcing_name = NULL; | |
| 9641 | |
| 9642 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9643 { | |
| 9644 apc->curpat = NULL; | |
| 9645 | |
| 1723 | 9646 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9647 * the group matches. For buffer-local autocommands only check the |
| 9648 * buffer number. */ | |
| 7 | 9649 if (ap->pat != NULL && ap->cmds != NULL |
| 9650 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9651 { | |
| 40 | 9652 /* execution-condition */ |
| 9653 if (ap->buflocal_nr == 0 | |
| 153 | 9654 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9655 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9656 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9657 { |
| 9658 name = event_nr2name(apc->event); | |
| 9659 s = _("%s Auto commands for \"%s\""); | |
| 9660 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9661 + STRLEN(name) + ap->patlen + 1)); | |
| 9662 if (sourcing_name != NULL) | |
| 9663 { | |
| 9664 sprintf((char *)sourcing_name, s, | |
| 9665 (char *)name, (char *)ap->pat); | |
| 9666 if (p_verbose >= 8) | |
| 292 | 9667 { |
| 9668 verbose_enter(); | |
| 273 | 9669 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9670 verbose_leave(); |
| 9671 } | |
| 7 | 9672 } |
| 9673 | |
| 9674 apc->curpat = ap; | |
| 9675 apc->nextcmd = ap->cmds; | |
| 9676 /* mark last command */ | |
| 9677 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9678 cp->last = FALSE; | |
| 9679 cp->last = TRUE; | |
| 9680 } | |
| 9681 line_breakcheck(); | |
| 9682 if (apc->curpat != NULL) /* found a match */ | |
| 9683 break; | |
| 9684 } | |
| 9685 if (stop_at_last && ap->last) | |
| 9686 break; | |
| 9687 } | |
| 9688 } | |
| 9689 | |
| 9690 /* | |
| 9691 * Get next autocommand command. | |
| 9692 * Called by do_cmdline() to get the next line for ":if". | |
| 9693 * Returns allocated string, or NULL for end of autocommands. | |
| 9694 */ | |
| 3997 | 9695 char_u * |
| 7 | 9696 getnextac(c, cookie, indent) |
| 1880 | 9697 int c UNUSED; |
| 7 | 9698 void *cookie; |
| 1880 | 9699 int indent UNUSED; |
| 7 | 9700 { |
| 9701 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9702 char_u *retval; | |
| 9703 AutoCmd *ac; | |
| 9704 | |
| 9705 /* Can be called again after returning the last line. */ | |
| 9706 if (acp->curpat == NULL) | |
| 9707 return NULL; | |
| 9708 | |
| 9709 /* repeat until we find an autocommand to execute */ | |
| 9710 for (;;) | |
| 9711 { | |
| 9712 /* skip removed commands */ | |
| 9713 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9714 if (acp->nextcmd->last) | |
| 9715 acp->nextcmd = NULL; | |
| 9716 else | |
| 9717 acp->nextcmd = acp->nextcmd->next; | |
| 9718 | |
| 9719 if (acp->nextcmd != NULL) | |
| 9720 break; | |
| 9721 | |
| 9722 /* at end of commands, find next pattern that matches */ | |
| 9723 if (acp->curpat->last) | |
| 9724 acp->curpat = NULL; | |
| 9725 else | |
| 9726 acp->curpat = acp->curpat->next; | |
| 9727 if (acp->curpat != NULL) | |
| 9728 auto_next_pat(acp, TRUE); | |
| 9729 if (acp->curpat == NULL) | |
| 9730 return NULL; | |
| 9731 } | |
| 9732 | |
| 9733 ac = acp->nextcmd; | |
| 9734 | |
| 9735 if (p_verbose >= 9) | |
| 9736 { | |
| 292 | 9737 verbose_enter_scroll(); |
| 273 | 9738 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9739 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9740 verbose_leave_scroll(); |
| 7 | 9741 } |
| 9742 retval = vim_strsave(ac->cmd); | |
| 9743 autocmd_nested = ac->nested; | |
| 9744 #ifdef FEAT_EVAL | |
| 9745 current_SID = ac->scriptID; | |
| 9746 #endif | |
| 9747 if (ac->last) | |
| 9748 acp->nextcmd = NULL; | |
| 9749 else | |
| 9750 acp->nextcmd = ac->next; | |
| 9751 return retval; | |
| 9752 } | |
| 9753 | |
| 9754 /* | |
| 9755 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9756 * To account for buffer-local autocommands, function needs to know |
| 9757 * in which buffer the file will be opened. | |
| 7 | 9758 */ |
| 9759 int | |
| 40 | 9760 has_autocmd(event, sfname, buf) |
| 661 | 9761 event_T event; |
| 7 | 9762 char_u *sfname; |
| 40 | 9763 buf_T *buf; |
| 7 | 9764 { |
| 9765 AutoPat *ap; | |
| 9766 char_u *fname; | |
| 9767 char_u *tail = gettail(sfname); | |
| 9768 int retval = FALSE; | |
| 9769 | |
| 9770 fname = FullName_save(sfname, FALSE); | |
| 9771 if (fname == NULL) | |
| 9772 return FALSE; | |
| 9773 | |
| 9774 #ifdef BACKSLASH_IN_FILENAME | |
| 9775 /* | |
| 9776 * Replace all backslashes with forward slashes. This makes the | |
| 9777 * autocommand patterns portable between Unix and MS-DOS. | |
| 9778 */ | |
| 9779 sfname = vim_strsave(sfname); | |
| 9780 if (sfname != NULL) | |
| 9781 forward_slash(sfname); | |
| 9782 forward_slash(fname); | |
| 9783 #endif | |
| 9784 | |
| 9785 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9786 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9787 && (ap->buflocal_nr == 0 |
| 153 | 9788 ? match_file_pat(NULL, ap->reg_prog, |
| 9789 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9790 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9791 )) |
| 7 | 9792 { |
| 9793 retval = TRUE; | |
| 9794 break; | |
| 9795 } | |
| 9796 | |
| 9797 vim_free(fname); | |
| 9798 #ifdef BACKSLASH_IN_FILENAME | |
| 9799 vim_free(sfname); | |
| 9800 #endif | |
| 9801 | |
| 9802 return retval; | |
| 9803 } | |
| 9804 | |
| 9805 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9806 /* | |
| 9807 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9808 * names. | |
| 9809 */ | |
| 9810 char_u * | |
| 9811 get_augroup_name(xp, idx) | |
| 1880 | 9812 expand_T *xp UNUSED; |
| 7 | 9813 int idx; |
| 9814 { | |
| 9815 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9816 return (char_u *)"END"; | |
| 9817 if (idx >= augroups.ga_len) /* end of list */ | |
| 9818 return NULL; | |
| 9819 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9820 return (char_u *)""; | |
| 9821 return AUGROUP_NAME(idx); /* return a name */ | |
| 9822 } | |
| 9823 | |
| 9824 static int include_groups = FALSE; | |
| 9825 | |
| 9826 char_u * | |
| 9827 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9828 expand_T *xp; | |
| 9829 char_u *arg; | |
| 1733 | 9830 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9831 { |
| 9832 char_u *p; | |
| 9833 int group; | |
| 9834 | |
| 9835 /* check for a group name, skip it if present */ | |
| 9836 include_groups = FALSE; | |
| 9837 p = arg; | |
| 9838 group = au_get_grouparg(&arg); | |
| 9839 if (group == AUGROUP_ERROR) | |
| 9840 return NULL; | |
| 9841 /* If there only is a group name that's what we expand. */ | |
| 9842 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9843 { | |
| 9844 arg = p; | |
| 9845 group = AUGROUP_ALL; | |
| 9846 } | |
| 9847 | |
| 9848 /* skip over event name */ | |
| 9849 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9850 if (*p == ',') | |
| 9851 arg = p + 1; | |
| 9852 if (*p == NUL) | |
| 9853 { | |
| 9854 if (group == AUGROUP_ALL) | |
| 9855 include_groups = TRUE; | |
| 9856 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9857 xp->xp_pattern = arg; | |
| 9858 return NULL; | |
| 9859 } | |
| 9860 | |
| 9861 /* skip over pattern */ | |
| 9862 arg = skipwhite(p); | |
| 9863 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9864 arg++; | |
| 9865 if (*arg) | |
| 9866 return arg; /* expand (next) command */ | |
| 9867 | |
| 9868 if (doautocmd) | |
| 9869 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9870 else | |
| 9871 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9872 return NULL; | |
| 9873 } | |
| 9874 | |
| 9875 /* | |
| 9876 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9877 */ | |
| 9878 char_u * | |
| 9879 get_event_name(xp, idx) | |
| 1880 | 9880 expand_T *xp UNUSED; |
| 7 | 9881 int idx; |
| 9882 { | |
| 9883 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9884 { | |
| 9885 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9886 return (char_u *)""; /* skip deleted entries */ | |
| 9887 return AUGROUP_NAME(idx); /* return a name */ | |
| 9888 } | |
| 9889 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9890 } | |
| 9891 | |
| 9892 #endif /* FEAT_CMDL_COMPL */ | |
| 9893 | |
| 9894 /* | |
| 615 | 9895 * Return TRUE if autocmd is supported. |
| 9896 */ | |
| 9897 int | |
| 9898 autocmd_supported(name) | |
| 9899 char_u *name; | |
| 9900 { | |
| 9901 char_u *p; | |
| 9902 | |
| 9903 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9904 } | |
| 9905 | |
| 9906 /* | |
| 612 | 9907 * Return TRUE if an autocommand is defined for a group, event and |
| 9908 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9909 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9910 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9911 * Used for: | |
| 9912 * exists("#Group") or | |
| 9913 * exists("#Group#Event") or | |
| 9914 * exists("#Group#Event#pat") or | |
| 9915 * exists("#Event") or | |
| 9916 * exists("#Event#pat") | |
| 7 | 9917 */ |
| 9918 int | |
| 612 | 9919 au_exists(arg) |
| 9920 char_u *arg; | |
| 7 | 9921 { |
| 612 | 9922 char_u *arg_save; |
| 9923 char_u *pattern = NULL; | |
| 7 | 9924 char_u *event_name; |
| 9925 char_u *p; | |
| 661 | 9926 event_T event; |
| 7 | 9927 AutoPat *ap; |
| 40 | 9928 buf_T *buflocal_buf = NULL; |
| 612 | 9929 int group; |
| 9930 int retval = FALSE; | |
| 9931 | |
| 615 | 9932 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9933 arg_save = vim_strsave(arg); |
| 9934 if (arg_save == NULL) | |
| 9935 return FALSE; | |
| 615 | 9936 p = vim_strchr(arg_save, '#'); |
| 612 | 9937 if (p != NULL) |
| 9938 *p++ = NUL; | |
| 9939 | |
| 9940 /* First, look for an autocmd group name */ | |
| 9941 group = au_find_group(arg_save); | |
| 9942 if (group == AUGROUP_ERROR) | |
| 9943 { | |
| 9944 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9945 group = AUGROUP_ALL; | |
| 9946 event_name = arg_save; | |
| 9947 } | |
| 9948 else | |
| 9949 { | |
| 9950 if (p == NULL) | |
| 9951 { | |
| 9952 /* "Group": group name is present and it's recognized */ | |
| 9953 retval = TRUE; | |
| 9954 goto theend; | |
| 9955 } | |
| 9956 | |
| 9957 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9958 event_name = p; | |
| 9959 p = vim_strchr(event_name, '#'); | |
| 9960 if (p != NULL) | |
| 9961 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9962 } | |
| 9963 | |
| 9964 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9965 |
| 9966 /* find the index (enum) for the event name */ | |
| 9967 event = event_name2nr(event_name, &p); | |
| 9968 | |
| 9969 /* return FALSE if the event name is not recognized */ | |
| 612 | 9970 if (event == NUM_EVENTS) |
| 9971 goto theend; | |
| 7 | 9972 |
| 9973 /* Find the first autocommand for this event. | |
| 9974 * If there isn't any, return FALSE; | |
| 9975 * If there is one and no pattern given, return TRUE; */ | |
| 9976 ap = first_autopat[(int)event]; | |
| 9977 if (ap == NULL) | |
| 612 | 9978 goto theend; |
| 7 | 9979 |
| 40 | 9980 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9981 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9982 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9983 buflocal_buf = curbuf; |
| 9984 | |
| 7 | 9985 /* Check if there is an autocommand with the given pattern. */ |
| 9986 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9987 /* only use a pattern when it has not been removed and has commands. */ |
| 9988 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9989 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9990 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9991 && (pattern == NULL |
| 9992 || (buflocal_buf == NULL | |
| 9993 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9994 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9995 { |
| 9996 retval = TRUE; | |
| 9997 break; | |
| 9998 } | |
| 9999 | |
| 10000 theend: | |
| 10001 vim_free(arg_save); | |
| 10002 return retval; | |
| 7 | 10003 } |
| 40 | 10004 |
| 934 | 10005 #else /* FEAT_AUTOCMD */ |
| 10006 | |
| 10007 /* | |
| 10008 * Prepare for executing commands for (hidden) buffer "buf". | |
| 10009 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 10010 * "curbuf" and "curwin" to match "buf". | |
| 10011 */ | |
| 10012 void | |
| 10013 aucmd_prepbuf(aco, buf) | |
| 10014 aco_save_T *aco; /* structure to save values in */ | |
| 10015 buf_T *buf; /* new curbuf */ | |
| 10016 { | |
| 1906 | 10017 aco->save_curbuf = curbuf; |
| 10018 --curbuf->b_nwindows; | |
| 934 | 10019 curbuf = buf; |
| 10020 curwin->w_buffer = buf; | |
| 1906 | 10021 ++curbuf->b_nwindows; |
| 934 | 10022 } |
| 10023 | |
| 10024 /* | |
| 10025 * Restore after executing commands for a (hidden) buffer. | |
| 10026 * This is the non-autocommand version. | |
| 10027 */ | |
| 10028 void | |
| 10029 aucmd_restbuf(aco) | |
| 10030 aco_save_T *aco; /* structure holding saved values */ | |
| 10031 { | |
| 1906 | 10032 --curbuf->b_nwindows; |
| 10033 curbuf = aco->save_curbuf; | |
| 934 | 10034 curwin->w_buffer = curbuf; |
| 1906 | 10035 ++curbuf->b_nwindows; |
| 934 | 10036 } |
| 10037 | |
| 7 | 10038 #endif /* FEAT_AUTOCMD */ |
| 10039 | |
| 934 | 10040 |
| 7 | 10041 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 10042 /* | |
| 153 | 10043 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 10044 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 10045 * vim_regcomp() often. | |
| 7 | 10046 * Used for autocommands and 'wildignore'. |
| 10047 * Returns TRUE if there is a match, FALSE otherwise. | |
| 10048 */ | |
| 10049 int | |
| 153 | 10050 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 10051 char_u *pattern; /* pattern to match with */ |
| 153 | 10052 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 10053 char_u *fname; /* full path of file name */ |
| 10054 char_u *sfname; /* short file name or NULL */ | |
| 10055 char_u *tail; /* tail of path */ | |
| 10056 int allow_dirs; /* allow matching with dir */ | |
| 10057 { | |
| 10058 regmatch_T regmatch; | |
| 10059 int result = FALSE; | |
| 10060 #ifdef FEAT_OSFILETYPE | |
| 10061 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 10062 char_u *type_start; | |
| 10063 char_u c; | |
| 10064 int match = FALSE; | |
| 10065 #endif | |
| 10066 | |
| 4242 | 10067 regmatch.rm_ic = p_fic; /* ignore case if 'fileignorecase' is set */ |
| 7 | 10068 #ifdef FEAT_OSFILETYPE |
| 10069 if (*pattern == '<') | |
| 10070 { | |
| 10071 /* There is a filetype condition specified with this pattern. | |
| 10072 * Check the filetype matches first. If not, don't bother with the | |
| 10073 * pattern (set regprog to NULL). | |
| 10074 * Always use magic for the regexp. | |
| 10075 */ | |
| 10076 | |
| 10077 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 10078 { | |
| 10079 if ((c == ';' || c == '>') && match == FALSE) | |
| 10080 { | |
| 10081 *pattern = NUL; /* Terminate the string */ | |
| 2976 | 10082 /* TODO: match with 'filetype' of buffer that "fname" comes |
| 10083 * from. */ | |
| 7 | 10084 match = mch_check_filetype(fname, type_start); |
| 10085 *pattern = c; /* Restore the terminator */ | |
| 10086 type_start = pattern + 1; | |
| 10087 } | |
| 10088 if (c == '>') | |
| 10089 break; | |
| 10090 } | |
| 10091 | |
| 10092 /* (c should never be NUL, but check anyway) */ | |
| 10093 if (match == FALSE || c == NUL) | |
| 10094 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 10095 else if (*pattern == NUL) | |
| 10096 { | |
| 10097 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 10098 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 10099 } | |
| 10100 else | |
| 10101 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 10102 } | |
| 10103 else | |
| 10104 #endif | |
| 153 | 10105 { |
| 10106 if (prog != NULL) | |
| 10107 regmatch.regprog = prog; | |
| 10108 else | |
| 10109 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 10110 } | |
| 7 | 10111 |
| 10112 /* | |
| 10113 * Try for a match with the pattern with: | |
| 10114 * 1. the full file name, when the pattern has a '/'. | |
| 10115 * 2. the short file name, when the pattern has a '/'. | |
| 10116 * 3. the tail of the file name, when the pattern has no '/'. | |
| 10117 */ | |
| 10118 if ( | |
| 10119 #ifdef FEAT_OSFILETYPE | |
| 10120 /* If the check is for a filetype only and we don't care | |
| 10121 * about the path then skip all the regexp stuff. | |
| 10122 */ | |
| 10123 no_pattern || | |
| 10124 #endif | |
| 10125 (regmatch.regprog != NULL | |
| 10126 && ((allow_dirs | |
| 10127 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 10128 || (sfname != NULL | |
| 10129 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 10130 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 10131 result = TRUE; | |
| 10132 | |
| 153 | 10133 if (prog == NULL) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4354
diff
changeset
|
10134 vim_regfree(regmatch.regprog); |
| 7 | 10135 return result; |
| 10136 } | |
| 10137 #endif | |
| 10138 | |
| 10139 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 10140 /* | |
| 10141 * Return TRUE if a file matches with a pattern in "list". | |
| 10142 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 10143 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 10144 */ | |
| 10145 int | |
| 10146 match_file_list(list, sfname, ffname) | |
| 10147 char_u *list; | |
| 10148 char_u *sfname; | |
| 10149 char_u *ffname; | |
| 10150 { | |
| 10151 char_u buf[100]; | |
| 10152 char_u *tail; | |
| 10153 char_u *regpat; | |
| 10154 char allow_dirs; | |
| 10155 int match; | |
| 10156 char_u *p; | |
| 10157 | |
| 10158 tail = gettail(sfname); | |
| 10159 | |
| 10160 /* try all patterns in 'wildignore' */ | |
| 10161 p = list; | |
| 10162 while (*p) | |
| 10163 { | |
| 10164 copy_option_part(&p, buf, 100, ","); | |
| 10165 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 10166 if (regpat == NULL) | |
| 10167 break; | |
| 153 | 10168 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 10169 tail, (int)allow_dirs); | |
| 7 | 10170 vim_free(regpat); |
| 10171 if (match) | |
| 10172 return TRUE; | |
| 10173 } | |
| 10174 return FALSE; | |
| 10175 } | |
| 10176 #endif | |
| 10177 | |
| 10178 /* | |
| 10179 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 10180 * a regular expression, and return the result in allocated memory. If there | |
| 10181 * is a directory path separator to be matched, then TRUE is put in | |
| 10182 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 10183 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 10184 * | |
| 10185 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 10186 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 10187 * | |
| 10188 * Returns NULL when out of memory. | |
| 10189 */ | |
| 10190 char_u * | |
| 10191 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 10192 char_u *pat; | |
| 10193 char_u *pat_end; /* first char after pattern or NULL */ | |
| 10194 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 10195 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 10196 { |
| 10197 int size; | |
| 10198 char_u *endp; | |
| 10199 char_u *reg_pat; | |
| 10200 char_u *p; | |
| 10201 int i; | |
| 10202 int nested = 0; | |
| 10203 int add_dollar = TRUE; | |
| 10204 #ifdef FEAT_OSFILETYPE | |
| 10205 int check_length = 0; | |
| 10206 #endif | |
| 10207 | |
| 10208 if (allow_dirs != NULL) | |
| 10209 *allow_dirs = FALSE; | |
| 10210 if (pat_end == NULL) | |
| 10211 pat_end = pat + STRLEN(pat); | |
| 10212 | |
| 10213 #ifdef FEAT_OSFILETYPE | |
| 10214 /* Find out how much of the string is the filetype check */ | |
| 10215 if (*pat == '<') | |
| 10216 { | |
| 10217 /* Count chars until the next '>' */ | |
| 10218 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 10219 ; | |
| 10220 if (p < pat_end) | |
| 10221 { | |
| 10222 /* Pattern is of the form <.*>.* */ | |
| 10223 check_length = p - pat + 1; | |
| 10224 if (p + 1 >= pat_end) | |
| 10225 { | |
| 10226 /* The 'pattern' is a filetype check ONLY */ | |
| 10227 reg_pat = (char_u *)alloc(check_length + 1); | |
| 10228 if (reg_pat != NULL) | |
| 10229 { | |
| 10230 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 10231 reg_pat[check_length] = NUL; | |
| 10232 } | |
| 10233 return reg_pat; | |
| 10234 } | |
| 10235 } | |
| 10236 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 10237 | |
| 10238 } | |
| 10239 pat += check_length; | |
| 10240 size = 2 + check_length; | |
| 10241 #else | |
| 10242 size = 2; /* '^' at start, '$' at end */ | |
| 10243 #endif | |
| 10244 | |
| 10245 for (p = pat; p < pat_end; p++) | |
| 10246 { | |
| 10247 switch (*p) | |
| 10248 { | |
| 10249 case '*': | |
| 10250 case '.': | |
| 10251 case ',': | |
| 10252 case '{': | |
| 10253 case '}': | |
| 10254 case '~': | |
| 10255 size += 2; /* extra backslash */ | |
| 10256 break; | |
| 10257 #ifdef BACKSLASH_IN_FILENAME | |
| 10258 case '\\': | |
| 10259 case '/': | |
| 10260 size += 4; /* could become "[\/]" */ | |
| 10261 break; | |
| 10262 #endif | |
| 10263 default: | |
| 10264 size++; | |
| 10265 # ifdef FEAT_MBYTE | |
| 474 | 10266 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10267 { |
| 10268 ++p; | |
| 10269 ++size; | |
| 10270 } | |
| 10271 # endif | |
| 10272 break; | |
| 10273 } | |
| 10274 } | |
| 10275 reg_pat = alloc(size + 1); | |
| 10276 if (reg_pat == NULL) | |
| 10277 return NULL; | |
| 10278 | |
| 10279 #ifdef FEAT_OSFILETYPE | |
| 10280 /* Copy the type check in to the start. */ | |
| 10281 if (check_length) | |
| 10282 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 10283 i = check_length; | |
| 10284 #else | |
| 10285 i = 0; | |
| 10286 #endif | |
| 10287 | |
| 10288 if (pat[0] == '*') | |
| 10289 while (pat[0] == '*' && pat < pat_end - 1) | |
| 10290 pat++; | |
| 10291 else | |
| 10292 reg_pat[i++] = '^'; | |
| 10293 endp = pat_end - 1; | |
| 10294 if (*endp == '*') | |
| 10295 { | |
| 10296 while (endp - pat > 0 && *endp == '*') | |
| 10297 endp--; | |
| 10298 add_dollar = FALSE; | |
| 10299 } | |
| 10300 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 10301 { | |
| 10302 switch (*p) | |
| 10303 { | |
| 10304 case '*': | |
| 10305 reg_pat[i++] = '.'; | |
| 10306 reg_pat[i++] = '*'; | |
| 444 | 10307 while (p[1] == '*') /* "**" matches like "*" */ |
| 10308 ++p; | |
| 7 | 10309 break; |
| 10310 case '.': | |
| 10311 case '~': | |
| 10312 reg_pat[i++] = '\\'; | |
| 10313 reg_pat[i++] = *p; | |
| 10314 break; | |
| 10315 case '?': | |
| 10316 reg_pat[i++] = '.'; | |
| 10317 break; | |
| 10318 case '\\': | |
| 10319 if (p[1] == NUL) | |
| 10320 break; | |
| 10321 #ifdef BACKSLASH_IN_FILENAME | |
| 10322 if (!no_bslash) | |
| 10323 { | |
| 10324 /* translate: | |
| 10325 * "\x" to "\\x" e.g., "dir\file" | |
| 10326 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 10327 * "\?" to "\\." e.g., "dir\??.c" | |
| 10328 * "\+" to "\+" e.g., "fileX\+.c" | |
| 10329 */ | |
| 10330 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 10331 && p[1] != '+') | |
| 10332 { | |
| 10333 reg_pat[i++] = '['; | |
| 10334 reg_pat[i++] = '\\'; | |
| 10335 reg_pat[i++] = '/'; | |
| 10336 reg_pat[i++] = ']'; | |
| 10337 if (allow_dirs != NULL) | |
| 10338 *allow_dirs = TRUE; | |
| 10339 break; | |
| 10340 } | |
| 10341 } | |
| 10342 #endif | |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10343 /* Undo escaping from ExpandEscape(): |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10344 * foo\?bar -> foo?bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10345 * foo\%bar -> foo%bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10346 * foo\,bar -> foo,bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10347 * foo\ bar -> foo bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10348 * Don't unescape \, * and others that are also special in a |
|
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
10349 * regexp. |
|
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
10350 * An escaped { must be unescaped since we use magic not |
|
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10351 * verymagic. Use "\\\{n,m\}"" to get "\{n,m}". |
|
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
10352 */ |
| 7 | 10353 if (*++p == '?' |
| 10354 #ifdef BACKSLASH_IN_FILENAME | |
| 10355 && no_bslash | |
| 10356 #endif | |
| 10357 ) | |
| 10358 reg_pat[i++] = '?'; | |
| 10359 else | |
|
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
10360 if (*p == ',' || *p == '%' || *p == '#' |
|
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10361 || *p == ' ' || *p == '{' || *p == '}') |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10362 reg_pat[i++] = *p; |
|
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10363 else if (*p == '\\' && p[1] == '\\' && p[2] == '{') |
|
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10364 { |
|
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10365 reg_pat[i++] = '\\'; |
|
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10366 reg_pat[i++] = '{'; |
|
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10367 p += 2; |
|
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
10368 } |
| 7 | 10369 else |
| 10370 { | |
| 10371 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 10372 #ifdef BACKSLASH_IN_FILENAME | |
| 10373 && (!no_bslash || *p != '\\') | |
| 10374 #endif | |
| 10375 ) | |
| 10376 *allow_dirs = TRUE; | |
| 10377 reg_pat[i++] = '\\'; | |
| 10378 reg_pat[i++] = *p; | |
| 10379 } | |
| 10380 break; | |
| 10381 #ifdef BACKSLASH_IN_FILENAME | |
| 10382 case '/': | |
| 10383 reg_pat[i++] = '['; | |
| 10384 reg_pat[i++] = '\\'; | |
| 10385 reg_pat[i++] = '/'; | |
| 10386 reg_pat[i++] = ']'; | |
| 10387 if (allow_dirs != NULL) | |
| 10388 *allow_dirs = TRUE; | |
| 10389 break; | |
| 10390 #endif | |
| 10391 case '{': | |
| 10392 reg_pat[i++] = '\\'; | |
| 10393 reg_pat[i++] = '('; | |
| 10394 nested++; | |
| 10395 break; | |
| 10396 case '}': | |
| 10397 reg_pat[i++] = '\\'; | |
| 10398 reg_pat[i++] = ')'; | |
| 10399 --nested; | |
| 10400 break; | |
| 10401 case ',': | |
| 10402 if (nested) | |
| 10403 { | |
| 10404 reg_pat[i++] = '\\'; | |
| 10405 reg_pat[i++] = '|'; | |
| 10406 } | |
| 10407 else | |
| 10408 reg_pat[i++] = ','; | |
| 10409 break; | |
| 10410 default: | |
| 10411 # ifdef FEAT_MBYTE | |
| 474 | 10412 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10413 reg_pat[i++] = *p++; |
| 10414 else | |
| 10415 # endif | |
| 10416 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 10417 *allow_dirs = TRUE; | |
| 10418 reg_pat[i++] = *p; | |
| 10419 break; | |
| 10420 } | |
| 10421 } | |
| 10422 if (add_dollar) | |
| 10423 reg_pat[i++] = '$'; | |
| 10424 reg_pat[i] = NUL; | |
| 10425 if (nested != 0) | |
| 10426 { | |
| 10427 if (nested < 0) | |
| 10428 EMSG(_("E219: Missing {.")); | |
| 10429 else | |
| 10430 EMSG(_("E220: Missing }.")); | |
| 10431 vim_free(reg_pat); | |
| 10432 reg_pat = NULL; | |
| 10433 } | |
| 10434 return reg_pat; | |
| 10435 } | |
| 2664 | 10436 |
| 10437 #if defined(EINTR) || defined(PROTO) | |
| 10438 /* | |
| 10439 * Version of read() that retries when interrupted by EINTR (possibly | |
| 10440 * by a SIGWINCH). | |
| 10441 */ | |
| 10442 long | |
| 10443 read_eintr(fd, buf, bufsize) | |
| 10444 int fd; | |
| 10445 void *buf; | |
| 10446 size_t bufsize; | |
| 10447 { | |
| 10448 long ret; | |
| 10449 | |
| 10450 for (;;) | |
| 10451 { | |
| 10452 ret = vim_read(fd, buf, bufsize); | |
| 10453 if (ret >= 0 || errno != EINTR) | |
| 10454 break; | |
| 10455 } | |
| 10456 return ret; | |
| 10457 } | |
| 10458 | |
| 10459 /* | |
| 10460 * Version of write() that retries when interrupted by EINTR (possibly | |
| 10461 * by a SIGWINCH). | |
| 10462 */ | |
| 10463 long | |
| 10464 write_eintr(fd, buf, bufsize) | |
| 10465 int fd; | |
| 10466 void *buf; | |
| 10467 size_t bufsize; | |
| 10468 { | |
| 10469 long ret = 0; | |
| 10470 long wlen; | |
| 10471 | |
| 10472 /* Repeat the write() so long it didn't fail, other than being interrupted | |
| 10473 * by a signal. */ | |
| 10474 while (ret < (long)bufsize) | |
| 10475 { | |
| 2666 | 10476 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
| 2664 | 10477 if (wlen < 0) |
| 10478 { | |
| 10479 if (errno != EINTR) | |
| 10480 break; | |
| 10481 } | |
| 10482 else | |
| 10483 ret += wlen; | |
| 10484 } | |
| 10485 return ret; | |
| 10486 } | |
| 10487 #endif |