Mercurial > vim
annotate src/fileio.c @ 2845:d641f141f937 v7.3.196
updated for version 7.3.196
Problem: Can't intercept a character that is going to be inserted.
Solution: Add the InsertCharPre autocommand event. (Jakson A. Aquino)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Thu, 19 May 2011 17:25:41 +0200 |
| parents | 8bd38abda314 |
| children | cb4682b95909 |
| 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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c493d6bfde09
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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c493d6bfde09
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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b7cb69ab616d
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}; |
|
2204
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A few more changes for encryption. Add test that encrypted file can be read.
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2180
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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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2180
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 | |
|
2360
d8e4b27cef80
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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a3aca345aafa
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; | |
|
2241
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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f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
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257 int read_undo_file = FALSE; |
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f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
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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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5769dc787ec5
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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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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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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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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318 int using_b_fname; |
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319 #endif |
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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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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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Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
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parents:
2523
diff
changeset
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339 #ifdef FEAT_AUTOCMD |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
Bram Moolenaar <bram@vim.org>
parents:
2523
diff
changeset
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340 /* Remember the initial values of curbuf, curbuf->b_ffname and |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
Bram Moolenaar <bram@vim.org>
parents:
2523
diff
changeset
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341 * curbuf->b_fname to detect whether they are altered as a result of |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
Bram Moolenaar <bram@vim.org>
parents:
2523
diff
changeset
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342 * executing nasty autocommands. Also check if "fname" and "sfname" |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
Bram Moolenaar <bram@vim.org>
parents:
2523
diff
changeset
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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
Bram Moolenaar <bram@vim.org>
parents:
2523
diff
changeset
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344 old_curbuf = curbuf; |
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5769dc787ec5
Fix: in compatible mode, in an empty buffer, ":r file" triggered an error
Bram Moolenaar <bram@vim.org>
parents:
2523
diff
changeset
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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>
parents:
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
Bram Moolenaar <bram@vim.org>
parents:
2523
diff
changeset
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347 using_b_ffname = (fname == curbuf->b_ffname) |
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348 || (sfname == curbuf->b_ffname); |
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349 using_b_fname = (fname == curbuf->b_fname) || (sfname == curbuf->b_fname); |
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350 #endif |
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351 |
| 167 | 352 /* After reading a file the cursor line changes but we don't want to |
| 353 * display the line. */ | |
| 354 ex_no_reprint = TRUE; | |
| 355 | |
| 968 | 356 /* don't display the file info for another buffer now */ |
| 357 need_fileinfo = FALSE; | |
| 358 | |
| 7 | 359 /* |
| 360 * For Unix: Use the short file name whenever possible. | |
| 361 * Avoids problems with networks and when directory names are changed. | |
| 362 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 363 * another directory, which we don't detect. | |
| 364 */ | |
| 365 if (sfname == NULL) | |
| 366 sfname = fname; | |
| 367 #if defined(UNIX) || defined(__EMX__) | |
| 368 fname = sfname; | |
| 369 #endif | |
| 370 | |
| 371 #ifdef FEAT_AUTOCMD | |
| 372 /* | |
| 373 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
| 374 * executing the associated commands instead. | |
| 375 */ | |
| 376 if (!filtering && !read_stdin && !read_buffer) | |
| 377 { | |
| 378 pos_T pos; | |
| 379 | |
| 380 pos = curbuf->b_op_start; | |
| 381 | |
| 382 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
| 383 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 384 curbuf->b_op_start.col = 0; | |
| 385 | |
| 386 if (newfile) | |
| 387 { | |
| 388 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
| 389 FALSE, curbuf, eap)) | |
| 390 #ifdef FEAT_EVAL | |
| 391 return aborting() ? FAIL : OK; | |
| 392 #else | |
| 393 return OK; | |
| 394 #endif | |
| 395 } | |
| 396 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
| 397 FALSE, NULL, eap)) | |
| 398 #ifdef FEAT_EVAL | |
| 399 return aborting() ? FAIL : OK; | |
| 400 #else | |
| 401 return OK; | |
| 402 #endif | |
| 403 | |
| 404 curbuf->b_op_start = pos; | |
| 405 } | |
| 406 #endif | |
| 407 | |
| 408 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
| 409 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 410 else | |
| 411 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 412 | |
| 413 /* | |
| 414 * If the name ends in a path separator, we can't open it. Check here, | |
| 415 * because reading the file may actually work, but then creating the swap | |
| 416 * file may destroy it! Reported on MS-DOS and Win 95. | |
| 417 * If the name is too long we might crash further on, quit here. | |
| 418 */ | |
| 23 | 419 if (fname != NULL && *fname != NUL) |
| 420 { | |
| 39 | 421 p = fname + STRLEN(fname); |
| 422 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
| 23 | 423 { |
| 424 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
| 425 msg_end(); | |
| 426 msg_scroll = msg_save; | |
| 427 return FAIL; | |
| 428 } | |
| 7 | 429 } |
| 430 | |
| 431 #ifdef UNIX | |
| 432 /* | |
| 433 * On Unix it is possible to read a directory, so we have to | |
| 434 * check for it before the mch_open(). | |
| 435 */ | |
| 436 if (!read_stdin && !read_buffer) | |
| 437 { | |
| 438 perm = mch_getperm(fname); | |
| 439 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
| 440 # ifdef S_ISFIFO | |
| 441 && !S_ISFIFO(perm) /* ... or fifo */ | |
| 442 # endif | |
| 443 # ifdef S_ISSOCK | |
| 444 && !S_ISSOCK(perm) /* ... or socket */ | |
| 445 # endif | |
| 1313 | 446 # ifdef OPEN_CHR_FILES |
| 447 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
| 448 /* ... or a character special file named /dev/fd/<n> */ | |
| 449 # endif | |
| 7 | 450 ) |
| 451 { | |
| 452 if (S_ISDIR(perm)) | |
| 453 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
| 454 else | |
| 455 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
| 456 msg_end(); | |
| 457 msg_scroll = msg_save; | |
| 458 return FAIL; | |
| 459 } | |
| 1006 | 460 |
| 461 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 462 /* | |
| 463 * MS-Windows allows opening a device, but we will probably get stuck | |
| 464 * trying to read it. | |
| 465 */ | |
| 466 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
| 467 { | |
| 1303 | 468 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
| 1006 | 469 msg_end(); |
| 470 msg_scroll = msg_save; | |
| 471 return FAIL; | |
| 472 } | |
| 473 # endif | |
| 1004 | 474 } |
| 475 #endif | |
| 476 | |
| 7 | 477 /* set default 'fileformat' */ |
| 819 | 478 if (set_options) |
| 7 | 479 { |
| 480 if (eap != NULL && eap->force_ff != 0) | |
| 481 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); | |
| 482 else if (*p_ffs != NUL) | |
| 483 set_fileformat(default_fileformat(), OPT_LOCAL); | |
| 484 } | |
| 485 | |
| 486 /* set or reset 'binary' */ | |
| 487 if (eap != NULL && eap->force_bin != 0) | |
| 488 { | |
| 489 int oldval = curbuf->b_p_bin; | |
| 490 | |
| 491 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); | |
| 492 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); | |
| 493 } | |
| 494 | |
| 495 /* | |
| 496 * When opening a new file we take the readonly flag from the file. | |
| 497 * Default is r/w, can be set to r/o below. | |
| 498 * Don't reset it when in readonly mode | |
| 499 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 500 */ | |
| 501 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 502 if (check_readonly && !readonlymode) |
| 7 | 503 curbuf->b_p_ro = FALSE; |
| 504 | |
| 505 if (newfile && !read_stdin && !read_buffer) | |
| 506 { | |
| 2823 | 507 /* Remember time of file. */ |
| 7 | 508 if (mch_stat((char *)fname, &st) >= 0) |
| 509 { | |
| 510 buf_store_time(curbuf, &st, fname); | |
| 511 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 512 #ifdef UNIX | |
| 513 /* | |
| 514 * Use the protection bits of the original file for the swap file. | |
| 515 * This makes it possible for others to read the name of the | |
| 516 * edited file from the swapfile, but only if they can read the | |
| 517 * edited file. | |
| 518 * Remove the "write" and "execute" bits for group and others | |
| 519 * (they must not write the swapfile). | |
| 520 * Add the "read" and "write" bits for the user, otherwise we may | |
| 521 * not be able to write to the file ourselves. | |
| 522 * Setting the bits is done below, after creating the swap file. | |
| 523 */ | |
| 524 swap_mode = (st.st_mode & 0644) | 0600; | |
| 525 #endif | |
| 526 #ifdef FEAT_CW_EDITOR | |
| 527 /* Get the FSSpec on MacOS | |
| 528 * TODO: Update it properly when the buffer name changes | |
| 529 */ | |
| 530 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 531 #endif | |
| 532 #ifdef VMS | |
| 533 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 534 curbuf->b_fab_rat = st.st_fab_rat; |
| 535 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 536 #endif |
| 537 } | |
| 538 else | |
| 539 { | |
| 540 curbuf->b_mtime = 0; | |
| 541 curbuf->b_mtime_read = 0; | |
| 542 curbuf->b_orig_size = 0; | |
| 543 curbuf->b_orig_mode = 0; | |
| 544 } | |
| 545 | |
| 546 /* Reset the "new file" flag. It will be set again below when the | |
| 547 * file doesn't exist. */ | |
| 548 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 549 } | |
| 550 | |
| 551 /* | |
| 552 * for UNIX: check readonly with perm and mch_access() | |
| 553 * for MSDOS and Amiga: check readonly by trying to open the file for writing | |
| 554 */ | |
| 555 file_readonly = FALSE; | |
| 556 if (read_stdin) | |
| 557 { | |
| 558 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 559 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ | |
| 560 setmode(0, O_BINARY); | |
| 561 #endif | |
| 562 } | |
| 563 else if (!read_buffer) | |
| 564 { | |
| 565 #ifdef USE_MCH_ACCESS | |
| 566 if ( | |
| 567 # ifdef UNIX | |
| 568 !(perm & 0222) || | |
| 569 # endif | |
| 570 mch_access((char *)fname, W_OK)) | |
| 571 file_readonly = TRUE; | |
| 572 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 573 #else | |
| 574 if (!newfile | |
| 575 || readonlymode | |
| 576 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 577 { | |
| 578 file_readonly = TRUE; | |
| 579 /* try to open ro */ | |
| 580 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 581 } | |
| 582 #endif | |
| 583 } | |
| 584 | |
| 585 if (fd < 0) /* cannot open at all */ | |
| 586 { | |
| 587 #ifndef UNIX | |
| 588 int isdir_f; | |
| 589 #endif | |
| 590 msg_scroll = msg_save; | |
| 591 #ifndef UNIX | |
| 592 /* | |
| 593 * On MSDOS and Amiga we can't open a directory, check here. | |
| 594 */ | |
| 595 isdir_f = (mch_isdir(fname)); | |
| 596 perm = mch_getperm(fname); /* check if the file exists */ | |
| 597 if (isdir_f) | |
| 598 { | |
| 599 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 600 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 601 } | |
| 602 else | |
| 603 #endif | |
| 604 if (newfile) | |
| 605 { | |
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606 if (perm < 0 |
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607 #ifdef ENOENT |
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608 && errno == ENOENT |
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609 #endif |
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610 ) |
| 7 | 611 { |
| 612 /* | |
| 613 * Set the 'new-file' flag, so that when the file has | |
| 614 * been created by someone else, a ":w" will complain. | |
| 615 */ | |
| 616 curbuf->b_flags |= BF_NEW; | |
| 617 | |
| 618 /* Create a swap file now, so that other Vims are warned | |
| 619 * that we are editing this file. Don't do this for a | |
| 620 * "nofile" or "nowrite" buffer type. */ | |
| 621 #ifdef FEAT_QUICKFIX | |
| 622 if (!bt_dontwrite(curbuf)) | |
| 623 #endif | |
| 1834 | 624 { |
| 7 | 625 check_need_swap(newfile); |
| 1834 | 626 #ifdef FEAT_AUTOCMD |
| 627 /* SwapExists autocommand may mess things up */ | |
| 628 if (curbuf != old_curbuf | |
| 629 || (using_b_ffname | |
| 630 && (old_b_ffname != curbuf->b_ffname)) | |
| 631 || (using_b_fname | |
| 632 && (old_b_fname != curbuf->b_fname))) | |
| 633 { | |
| 634 EMSG(_(e_auchangedbuf)); | |
| 635 return FAIL; | |
| 636 } | |
| 637 #endif | |
| 638 } | |
| 592 | 639 if (dir_of_file_exists(fname)) |
| 640 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 641 else | |
| 642 filemess(curbuf, sfname, | |
| 643 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 644 #ifdef FEAT_VIMINFO |
| 645 /* Even though this is a new file, it might have been | |
| 646 * edited before and deleted. Get the old marks. */ | |
| 647 check_marks_read(); | |
| 648 #endif | |
| 649 #ifdef FEAT_MBYTE | |
| 650 if (eap != NULL && eap->force_enc != 0) | |
| 651 { | |
| 652 /* set forced 'fileencoding' */ | |
| 653 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 654 if (fenc != NULL) | |
| 655 set_string_option_direct((char_u *)"fenc", -1, | |
| 694 | 656 fenc, OPT_FREE|OPT_LOCAL, 0); |
| 7 | 657 vim_free(fenc); |
| 658 } | |
| 659 #endif | |
| 660 #ifdef FEAT_AUTOCMD | |
| 661 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 662 FALSE, curbuf, eap); | |
| 663 #endif | |
| 664 /* remember the current fileformat */ | |
| 665 save_file_ff(curbuf); | |
| 666 | |
| 667 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 668 if (aborting()) /* autocmds may abort script processing */ | |
| 669 return FAIL; | |
| 670 #endif | |
| 671 return OK; /* a new file is not an error */ | |
| 672 } | |
| 673 else | |
| 674 { | |
| 550 | 675 filemess(curbuf, sfname, (char_u *)( |
| 676 # ifdef EFBIG | |
| 677 (errno == EFBIG) ? _("[File too big]") : | |
| 678 # endif | |
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679 # ifdef EOVERFLOW |
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680 (errno == EOVERFLOW) ? _("[File too big]") : |
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681 # endif |
| 550 | 682 _("[Permission Denied]")), 0); |
| 7 | 683 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 684 } | |
| 685 } | |
| 686 | |
| 687 return FAIL; | |
| 688 } | |
| 689 | |
| 690 /* | |
| 691 * Only set the 'ro' flag for readonly files the first time they are | |
| 692 * loaded. Help files always get readonly mode | |
| 693 */ | |
| 694 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 695 curbuf->b_p_ro = TRUE; | |
| 696 | |
| 819 | 697 if (set_options) |
| 7 | 698 { |
| 1486 | 699 /* Don't change 'eol' if reading from buffer as it will already be |
| 700 * correctly set when reading stdin. */ | |
| 701 if (!read_buffer) | |
| 702 { | |
| 703 curbuf->b_p_eol = TRUE; | |
| 704 curbuf->b_start_eol = TRUE; | |
| 705 } | |
| 7 | 706 #ifdef FEAT_MBYTE |
| 707 curbuf->b_p_bomb = FALSE; | |
| 1352 | 708 curbuf->b_start_bomb = FALSE; |
| 7 | 709 #endif |
| 710 } | |
| 711 | |
| 712 /* Create a swap file now, so that other Vims are warned that we are | |
| 713 * editing this file. | |
| 714 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 715 #ifdef FEAT_QUICKFIX | |
| 716 if (!bt_dontwrite(curbuf)) | |
| 717 #endif | |
| 718 { | |
| 719 check_need_swap(newfile); | |
| 1834 | 720 #ifdef FEAT_AUTOCMD |
| 721 if (!read_stdin && (curbuf != old_curbuf | |
| 722 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 723 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 724 { | |
| 725 EMSG(_(e_auchangedbuf)); | |
| 726 if (!read_buffer) | |
| 727 close(fd); | |
| 728 return FAIL; | |
| 729 } | |
| 730 #endif | |
| 7 | 731 #ifdef UNIX |
| 732 /* Set swap file protection bits after creating it. */ | |
| 1918 | 733 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 734 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 735 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 736 #endif | |
| 737 } | |
| 738 | |
| 578 | 739 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 740 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 741 if (swap_exists_action == SEA_QUIT) | |
| 742 { | |
| 743 if (!read_buffer && !read_stdin) | |
| 744 close(fd); | |
| 745 return FAIL; | |
| 746 } | |
| 747 #endif | |
| 748 | |
| 749 ++no_wait_return; /* don't wait for return yet */ | |
| 750 | |
| 751 /* | |
| 752 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 753 */ | |
| 754 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 755 curbuf->b_op_start.col = 0; | |
| 756 | |
| 757 #ifdef FEAT_AUTOCMD | |
| 758 if (!read_buffer) | |
| 759 { | |
| 760 int m = msg_scroll; | |
| 761 int n = msg_scrolled; | |
| 762 | |
| 763 /* | |
| 764 * The file must be closed again, the autocommands may want to change | |
| 765 * the file before reading it. | |
| 766 */ | |
| 767 if (!read_stdin) | |
| 768 close(fd); /* ignore errors */ | |
| 769 | |
| 770 /* | |
| 771 * The output from the autocommands should not overwrite anything and | |
| 772 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 773 * output was done. | |
| 774 */ | |
| 775 msg_scroll = TRUE; | |
| 776 if (filtering) | |
| 777 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 778 FALSE, curbuf, eap); | |
| 779 else if (read_stdin) | |
| 780 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 781 FALSE, curbuf, eap); | |
| 782 else if (newfile) | |
| 783 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 784 FALSE, curbuf, eap); | |
| 785 else | |
| 786 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 787 FALSE, NULL, eap); | |
| 788 if (msg_scrolled == n) | |
| 789 msg_scroll = m; | |
| 790 | |
| 791 #ifdef FEAT_EVAL | |
| 792 if (aborting()) /* autocmds may abort script processing */ | |
| 793 { | |
| 794 --no_wait_return; | |
| 795 msg_scroll = msg_save; | |
| 796 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 797 return FAIL; | |
| 798 } | |
| 799 #endif | |
| 800 /* | |
| 801 * Don't allow the autocommands to change the current buffer. | |
| 802 * Try to re-open the file. | |
| 1834 | 803 * |
| 804 * Don't allow the autocommands to change the buffer name either | |
| 805 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 806 */ |
| 807 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 808 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 809 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 810 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 811 { | |
| 812 --no_wait_return; | |
| 813 msg_scroll = msg_save; | |
| 814 if (fd < 0) | |
| 815 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 816 else | |
| 817 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 818 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 819 return FAIL; | |
| 820 } | |
| 821 } | |
| 822 #endif /* FEAT_AUTOCMD */ | |
| 823 | |
| 824 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 825 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 826 | |
| 827 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 828 { | |
| 829 /* | |
| 830 * Show the user that we are busy reading the input. Sometimes this | |
| 831 * may take a while. When reading from stdin another program may | |
| 832 * still be running, don't move the cursor to the last line, unless | |
| 833 * always using the GUI. | |
| 834 */ | |
| 835 if (read_stdin) | |
| 836 { | |
| 837 #ifndef ALWAYS_USE_GUI | |
| 838 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 839 #endif | |
| 840 #ifdef FEAT_GUI | |
| 841 /* Also write a message in the GUI window, if there is one. */ | |
| 842 if (gui.in_use && !gui.dying && !gui.starting) | |
| 843 { | |
| 844 p = (char_u *)_("Reading from stdin..."); | |
| 845 gui_write(p, (int)STRLEN(p)); | |
| 846 } | |
| 847 #endif | |
| 848 } | |
| 849 else if (!read_buffer) | |
| 850 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 851 } | |
| 852 | |
| 853 msg_scroll = FALSE; /* overwrite the file message */ | |
| 854 | |
| 855 /* | |
| 856 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 857 * fileformat, and after the autocommands, which may change them. | |
| 858 */ | |
| 859 linecnt = curbuf->b_ml.ml_line_count; | |
| 860 | |
| 861 #ifdef FEAT_MBYTE | |
| 595 | 862 /* "++bad=" argument. */ |
| 863 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 864 { |
| 595 | 865 bad_char_behavior = eap->bad_char; |
| 819 | 866 if (set_options) |
| 612 | 867 curbuf->b_bad_char = eap->bad_char; |
| 868 } | |
| 869 else | |
| 870 curbuf->b_bad_char = 0; | |
| 595 | 871 |
| 7 | 872 /* |
| 595 | 873 * Decide which 'encoding' to use or use first. |
| 7 | 874 */ |
| 875 if (eap != NULL && eap->force_enc != 0) | |
| 876 { | |
| 877 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 878 fenc_alloced = TRUE; | |
| 595 | 879 keep_dest_enc = TRUE; |
| 7 | 880 } |
| 881 else if (curbuf->b_p_bin) | |
| 882 { | |
| 883 fenc = (char_u *)""; /* binary: don't convert */ | |
| 884 fenc_alloced = FALSE; | |
| 885 } | |
| 886 else if (curbuf->b_help) | |
| 887 { | |
| 888 char_u firstline[80]; | |
| 301 | 889 int fc; |
| 7 | 890 |
| 891 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 892 * fails it must be latin1. | |
| 893 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 894 * this when needed to avoid [converted] remarks all the time. | |
| 895 * It is needed when the first line contains non-ASCII characters. | |
| 896 * That is only in *.??x files. */ | |
| 897 fenc = (char_u *)"latin1"; | |
| 898 c = enc_utf8; | |
| 301 | 899 if (!c && !read_stdin) |
| 900 { | |
| 901 fc = fname[STRLEN(fname) - 1]; | |
| 902 if (TOLOWER_ASC(fc) == 'x') | |
| 903 { | |
| 904 /* Read the first line (and a bit more). Immediately rewind to | |
| 905 * the start of the file. If the read() fails "len" is -1. */ | |
| 2664 | 906 len = read_eintr(fd, firstline, 80); |
| 301 | 907 lseek(fd, (off_t)0L, SEEK_SET); |
| 908 for (p = firstline; p < firstline + len; ++p) | |
| 909 if (*p >= 0x80) | |
| 910 { | |
| 911 c = TRUE; | |
| 912 break; | |
| 913 } | |
| 914 } | |
| 7 | 915 } |
| 916 | |
| 917 if (c) | |
| 918 { | |
| 919 fenc_next = fenc; | |
| 920 fenc = (char_u *)"utf-8"; | |
| 921 | |
| 922 /* When the file is utf-8 but a character doesn't fit in | |
| 923 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 924 * doesn't make sense. */ | |
| 844 | 925 if (!enc_utf8) |
| 926 keep_dest_enc = TRUE; | |
| 7 | 927 } |
| 928 fenc_alloced = FALSE; | |
| 929 } | |
| 930 else if (*p_fencs == NUL) | |
| 931 { | |
| 932 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 933 fenc_alloced = FALSE; | |
| 934 } | |
| 935 else | |
| 936 { | |
| 937 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 938 fenc = next_fenc(&fenc_next); | |
| 939 fenc_alloced = TRUE; | |
| 940 } | |
| 941 #endif | |
| 942 | |
| 943 /* | |
| 944 * Jump back here to retry reading the file in different ways. | |
| 945 * Reasons to retry: | |
| 946 * - encoding conversion failed: try another one from "fenc_next" | |
| 947 * - BOM detected and fenc was set, need to setup conversion | |
| 948 * - "fileformat" check failed: try another | |
| 949 * | |
| 950 * Variables set for special retry actions: | |
| 951 * "file_rewind" Rewind the file to start reading it again. | |
| 952 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 953 * "skip_read" Re-use already read bytes (BOM detected). | |
| 954 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 955 * "keep_fileformat" Don't reset "fileformat". | |
| 956 * | |
| 957 * Other status indicators: | |
| 958 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 959 * Output file has to be deleted afterwards. | |
| 960 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 961 */ | |
| 962 retry: | |
| 963 | |
| 964 if (file_rewind) | |
| 965 { | |
| 966 if (read_buffer) | |
| 967 { | |
| 968 read_buf_lnum = 1; | |
| 969 read_buf_col = 0; | |
| 970 } | |
| 971 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 972 { | |
| 973 /* Can't rewind the file, give up. */ | |
| 974 error = TRUE; | |
| 975 goto failed; | |
| 976 } | |
| 977 /* Delete the previously read lines. */ | |
| 978 while (lnum > from) | |
| 979 ml_delete(lnum--, FALSE); | |
| 980 file_rewind = FALSE; | |
| 981 #ifdef FEAT_MBYTE | |
| 819 | 982 if (set_options) |
| 1352 | 983 { |
| 7 | 984 curbuf->b_p_bomb = FALSE; |
| 1352 | 985 curbuf->b_start_bomb = FALSE; |
| 986 } | |
| 595 | 987 conv_error = 0; |
| 7 | 988 #endif |
| 989 } | |
| 990 | |
| 2267 | 991 #ifdef FEAT_CRYPT |
| 992 if (cryptkey != NULL) | |
| 993 /* Need to reset the state, but keep the key, don't want to ask for it | |
| 994 * again. */ | |
| 995 crypt_pop_state(); | |
| 996 #endif | |
| 997 | |
| 7 | 998 /* |
| 999 * When retrying with another "fenc" and the first time "fileformat" | |
| 1000 * will be reset. | |
| 1001 */ | |
| 1002 if (keep_fileformat) | |
| 1003 keep_fileformat = FALSE; | |
| 1004 else | |
| 1005 { | |
| 1006 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 1007 { |
| 7 | 1008 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 1009 try_unix = try_dos = try_mac = FALSE; |
| 1010 } | |
| 7 | 1011 else if (curbuf->b_p_bin) |
| 1012 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 1013 else if (*p_ffs == NUL) | |
| 1014 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 1015 else | |
| 1016 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 1017 } | |
| 1018 | |
| 1019 #ifdef FEAT_MBYTE | |
| 1020 # ifdef USE_ICONV | |
| 1021 if (iconv_fd != (iconv_t)-1) | |
| 1022 { | |
| 1023 /* aborted conversion with iconv(), close the descriptor */ | |
| 1024 iconv_close(iconv_fd); | |
| 1025 iconv_fd = (iconv_t)-1; | |
| 1026 } | |
| 1027 # endif | |
| 1028 | |
| 1029 if (advance_fenc) | |
| 1030 { | |
| 1031 /* | |
| 1032 * Try the next entry in 'fileencodings'. | |
| 1033 */ | |
| 1034 advance_fenc = FALSE; | |
| 1035 | |
| 1036 if (eap != NULL && eap->force_enc != 0) | |
| 1037 { | |
| 1038 /* Conversion given with "++cc=" wasn't possible, read | |
| 1039 * without conversion. */ | |
| 1040 notconverted = TRUE; | |
| 595 | 1041 conv_error = 0; |
| 7 | 1042 if (fenc_alloced) |
| 1043 vim_free(fenc); | |
| 1044 fenc = (char_u *)""; | |
| 1045 fenc_alloced = FALSE; | |
| 1046 } | |
| 1047 else | |
| 1048 { | |
| 1049 if (fenc_alloced) | |
| 1050 vim_free(fenc); | |
| 1051 if (fenc_next != NULL) | |
| 1052 { | |
| 1053 fenc = next_fenc(&fenc_next); | |
| 1054 fenc_alloced = (fenc_next != NULL); | |
| 1055 } | |
| 1056 else | |
| 1057 { | |
| 1058 fenc = (char_u *)""; | |
| 1059 fenc_alloced = FALSE; | |
| 1060 } | |
| 1061 } | |
| 1062 if (tmpname != NULL) | |
| 1063 { | |
| 1064 mch_remove(tmpname); /* delete converted file */ | |
| 1065 vim_free(tmpname); | |
| 1066 tmpname = NULL; | |
| 1067 } | |
| 1068 } | |
| 1069 | |
| 1070 /* | |
| 1948 | 1071 * Conversion may be required when the encoding of the file is different |
| 1072 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1073 */ |
| 1074 fio_flags = 0; | |
| 1948 | 1075 converted = need_conversion(fenc); |
| 1076 if (converted) | |
| 7 | 1077 { |
| 1078 | |
| 1079 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1080 * for a BOM. */ | |
| 1081 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1082 fio_flags = FIO_UCSBOM; | |
| 1083 | |
| 1084 /* | |
| 1085 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1086 * done. This is handled below after read(). Prepare the | |
| 1087 * fio_flags to avoid having to parse the string each time. | |
| 1088 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1089 * appears not to handle this correctly. This works just like | |
| 1090 * conversion to UTF-8 except how the resulting character is put in | |
| 1091 * the buffer. | |
| 1092 */ | |
| 1093 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1094 fio_flags = get_fio_flags(fenc); | |
| 1095 | |
| 1096 # ifdef WIN3264 | |
| 1097 /* | |
| 1098 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1099 * is handled with MultiByteToWideChar(). | |
| 1100 */ | |
| 1101 if (fio_flags == 0) | |
| 1102 fio_flags = get_win_fio_flags(fenc); | |
| 1103 # endif | |
| 1104 | |
| 1105 # ifdef MACOS_X | |
| 1106 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1107 if (fio_flags == 0) | |
| 1108 fio_flags = get_mac_fio_flags(fenc); | |
| 1109 # endif | |
| 1110 | |
| 1111 # ifdef USE_ICONV | |
| 1112 /* | |
| 1113 * Try using iconv() if we can't convert internally. | |
| 1114 */ | |
| 1115 if (fio_flags == 0 | |
| 1116 # ifdef FEAT_EVAL | |
| 1117 && !did_iconv | |
| 1118 # endif | |
| 1119 ) | |
| 1120 iconv_fd = (iconv_t)my_iconv_open( | |
| 1121 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1122 # endif | |
| 1123 | |
| 1124 # ifdef FEAT_EVAL | |
| 1125 /* | |
| 1126 * Use the 'charconvert' expression when conversion is required | |
| 1127 * and we can't do it internally or with iconv(). | |
| 1128 */ | |
| 1129 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1130 # ifdef USE_ICONV | |
| 1131 && iconv_fd == (iconv_t)-1 | |
| 1132 # endif | |
| 1133 ) | |
| 1134 { | |
| 1135 # ifdef USE_ICONV | |
| 1136 did_iconv = FALSE; | |
| 1137 # endif | |
| 1138 /* Skip conversion when it's already done (retry for wrong | |
| 1139 * "fileformat"). */ | |
| 1140 if (tmpname == NULL) | |
| 1141 { | |
| 1142 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1143 if (tmpname == NULL) | |
| 1144 { | |
| 1145 /* Conversion failed. Try another one. */ | |
| 1146 advance_fenc = TRUE; | |
| 1147 if (fd < 0) | |
| 1148 { | |
| 1149 /* Re-opening the original file failed! */ | |
| 1150 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1151 error = TRUE; | |
| 1152 goto failed; | |
| 1153 } | |
| 1154 goto retry; | |
| 1155 } | |
| 1156 } | |
| 1157 } | |
| 1158 else | |
| 1159 # endif | |
| 1160 { | |
| 1161 if (fio_flags == 0 | |
| 1162 # ifdef USE_ICONV | |
| 1163 && iconv_fd == (iconv_t)-1 | |
| 1164 # endif | |
| 1165 ) | |
| 1166 { | |
| 1167 /* Conversion wanted but we can't. | |
| 1168 * Try the next conversion in 'fileencodings' */ | |
| 1169 advance_fenc = TRUE; | |
| 1170 goto retry; | |
| 1171 } | |
| 1172 } | |
| 1173 } | |
| 1174 | |
| 595 | 1175 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1176 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1177 * stdin or fixed at a specific encoding. */ |
| 1178 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1179 #endif |
| 1180 | |
| 1181 if (!skip_read) | |
| 1182 { | |
| 1183 linerest = 0; | |
| 1184 filesize = 0; | |
| 1185 skip_count = lines_to_skip; | |
| 1186 read_count = lines_to_read; | |
| 1187 #ifdef FEAT_MBYTE | |
| 1188 conv_restlen = 0; | |
| 1189 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1190 #ifdef FEAT_PERSISTENT_UNDO |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1191 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
|
1192 && 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
|
1193 && 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
|
1194 && !filtering |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1195 && !read_stdin |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1196 && !read_buffer); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1197 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
|
1198 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
|
1199 #endif |
| 7 | 1200 } |
| 1201 | |
| 1202 while (!error && !got_int) | |
| 1203 { | |
| 1204 /* | |
| 1205 * We allocate as much space for the file as we can get, plus | |
| 1206 * space for the old line plus room for one terminating NUL. | |
| 1207 * The amount is limited by the fact that read() only can read | |
| 1208 * upto max_unsigned characters (and other things). | |
| 1209 */ | |
| 1210 #if SIZEOF_INT <= 2 | |
| 1211 if (linerest >= 0x7ff0) | |
| 1212 { | |
| 1213 ++split; | |
| 1214 *ptr = NL; /* split line by inserting a NL */ | |
| 1215 size = 1; | |
| 1216 } | |
| 1217 else | |
| 1218 #endif | |
| 1219 { | |
| 1220 if (!skip_read) | |
| 1221 { | |
| 1222 #if SIZEOF_INT > 2 | |
| 1076 | 1223 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1224 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1225 # else | |
| 1226 size = 0x10000L; /* use buffer >= 64K */ | |
| 1227 # endif | |
| 1228 #else | |
| 1229 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1230 #endif | |
| 1231 | |
| 836 | 1232 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1233 { |
| 1234 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1235 FALSE)) != NULL) | |
| 1236 break; | |
| 1237 } | |
| 1238 if (new_buffer == NULL) | |
| 1239 { | |
| 1240 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1241 error = TRUE; | |
| 1242 break; | |
| 1243 } | |
| 1244 if (linerest) /* copy characters from the previous buffer */ | |
| 1245 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1246 vim_free(buffer); | |
| 1247 buffer = new_buffer; | |
| 1248 ptr = buffer + linerest; | |
| 1249 line_start = buffer; | |
| 1250 | |
| 1251 #ifdef FEAT_MBYTE | |
| 1252 /* May need room to translate into. | |
| 1253 * For iconv() we don't really know the required space, use a | |
| 1254 * factor ICONV_MULT. | |
| 1255 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1256 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1257 * become up to 4 bytes, size must be multiple of 2 | |
| 1258 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1259 * multiple of 2 | |
| 1260 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1261 * multiple of 4 */ | |
| 835 | 1262 real_size = (int)size; |
| 7 | 1263 # ifdef USE_ICONV |
| 1264 if (iconv_fd != (iconv_t)-1) | |
| 1265 size = size / ICONV_MULT; | |
| 1266 else | |
| 1267 # endif | |
| 1268 if (fio_flags & FIO_LATIN1) | |
| 1269 size = size / 2; | |
| 1270 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1271 size = (size * 2 / 3) & ~1; | |
| 1272 else if (fio_flags & FIO_UCS4) | |
| 1273 size = (size * 2 / 3) & ~3; | |
| 1274 else if (fio_flags == FIO_UCSBOM) | |
| 1275 size = size / ICONV_MULT; /* worst case */ | |
| 1276 # ifdef WIN3264 | |
| 1277 else if (fio_flags & FIO_CODEPAGE) | |
| 1278 size = size / ICONV_MULT; /* also worst case */ | |
| 1279 # endif | |
| 1280 # ifdef MACOS_X | |
| 1281 else if (fio_flags & FIO_MACROMAN) | |
| 1282 size = size / ICONV_MULT; /* also worst case */ | |
| 1283 # endif | |
| 1284 #endif | |
| 1285 | |
| 1286 #ifdef FEAT_MBYTE | |
| 1287 if (conv_restlen > 0) | |
| 1288 { | |
| 1289 /* Insert unconverted bytes from previous line. */ | |
| 1290 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1291 ptr += conv_restlen; | |
| 1292 size -= conv_restlen; | |
| 1293 } | |
| 1294 #endif | |
| 1295 | |
| 1296 if (read_buffer) | |
| 1297 { | |
| 1298 /* | |
| 1299 * Read bytes from curbuf. Used for converting text read | |
| 1300 * from stdin. | |
| 1301 */ | |
| 1302 if (read_buf_lnum > from) | |
| 1303 size = 0; | |
| 1304 else | |
| 1305 { | |
| 1306 int n, ni; | |
| 1307 long tlen; | |
| 1308 | |
| 1309 tlen = 0; | |
| 1310 for (;;) | |
| 1311 { | |
| 1312 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1313 n = (int)STRLEN(p); | |
| 1314 if ((int)tlen + n + 1 > size) | |
| 1315 { | |
| 1316 /* Filled up to "size", append partial line. | |
| 1317 * Change NL to NUL to reverse the effect done | |
| 1318 * below. */ | |
| 835 | 1319 n = (int)(size - tlen); |
| 7 | 1320 for (ni = 0; ni < n; ++ni) |
| 1321 { | |
| 1322 if (p[ni] == NL) | |
| 1323 ptr[tlen++] = NUL; | |
| 1324 else | |
| 1325 ptr[tlen++] = p[ni]; | |
| 1326 } | |
| 1327 read_buf_col += n; | |
| 1328 break; | |
| 1329 } | |
| 1330 else | |
| 1331 { | |
| 1332 /* Append whole line and new-line. Change NL | |
| 1333 * to NUL to reverse the effect done below. */ | |
| 1334 for (ni = 0; ni < n; ++ni) | |
| 1335 { | |
| 1336 if (p[ni] == NL) | |
| 1337 ptr[tlen++] = NUL; | |
| 1338 else | |
| 1339 ptr[tlen++] = p[ni]; | |
| 1340 } | |
| 1341 ptr[tlen++] = NL; | |
| 1342 read_buf_col = 0; | |
| 1343 if (++read_buf_lnum > from) | |
| 1344 { | |
| 1345 /* When the last line didn't have an | |
| 1346 * end-of-line don't add it now either. */ | |
| 1347 if (!curbuf->b_p_eol) | |
| 1348 --tlen; | |
| 1349 size = tlen; | |
| 1350 break; | |
| 1351 } | |
| 1352 } | |
| 1353 } | |
| 1354 } | |
| 1355 } | |
| 1356 else | |
| 1357 { | |
| 1358 /* | |
| 1359 * Read bytes from the file. | |
| 1360 */ | |
| 2664 | 1361 size = read_eintr(fd, ptr, size); |
| 7 | 1362 } |
| 1363 | |
| 1364 if (size <= 0) | |
| 1365 { | |
| 1366 if (size < 0) /* read error */ | |
| 1367 error = TRUE; | |
| 1368 #ifdef FEAT_MBYTE | |
| 1369 else if (conv_restlen > 0) | |
| 595 | 1370 { |
| 1597 | 1371 /* |
| 1372 * Reached end-of-file but some trailing bytes could | |
| 1373 * not be converted. Truncated file? | |
| 1374 */ | |
| 1375 | |
| 1376 /* When we did a conversion report an error. */ | |
| 1377 if (fio_flags != 0 | |
| 1378 # ifdef USE_ICONV | |
| 1379 || iconv_fd != (iconv_t)-1 | |
| 1380 # endif | |
| 1381 ) | |
| 1382 { | |
| 1383 if (conv_error == 0) | |
| 1384 conv_error = curbuf->b_ml.ml_line_count | |
| 1385 - linecnt + 1; | |
| 1386 } | |
| 1387 /* Remember the first linenr with an illegal byte */ | |
| 1388 else if (illegal_byte == 0) | |
| 1389 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1390 - linecnt + 1; | |
| 1391 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1392 { |
| 1597 | 1393 *(ptr - conv_restlen) = NUL; |
| 1394 conv_restlen = 0; | |
| 1395 } | |
| 1396 else | |
| 1397 { | |
| 1398 /* Replace the trailing bytes with the replacement | |
| 1399 * character if we were converting; if we weren't, | |
| 1400 * leave the UTF8 checking code to do it, as it | |
| 1401 * works slightly differently. */ | |
| 1402 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1403 # ifdef USE_ICONV | |
| 1404 || iconv_fd != (iconv_t)-1 | |
| 1405 # endif | |
| 1406 )) | |
| 1407 { | |
| 1408 while (conv_restlen > 0) | |
| 1409 { | |
| 1410 *(--ptr) = bad_char_behavior; | |
| 1411 --conv_restlen; | |
| 1412 } | |
| 1413 } | |
| 595 | 1414 fio_flags = 0; /* don't convert this */ |
| 834 | 1415 # ifdef USE_ICONV |
| 1416 if (iconv_fd != (iconv_t)-1) | |
| 1417 { | |
| 1418 iconv_close(iconv_fd); | |
| 1419 iconv_fd = (iconv_t)-1; | |
| 1420 } | |
| 1421 # endif | |
| 595 | 1422 } |
| 1423 } | |
| 7 | 1424 #endif |
| 1425 } | |
| 1426 | |
| 1427 #ifdef FEAT_CRYPT | |
| 1428 /* | |
| 1429 * At start of file: Check for magic number of encryption. | |
| 1430 */ | |
| 1431 if (filesize == 0) | |
| 1432 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
| 2267 | 1433 &filesize, newfile, sfname, |
| 1434 &did_ask_for_key); | |
| 7 | 1435 /* |
| 1436 * Decrypt the read bytes. | |
| 1437 */ | |
| 1438 if (cryptkey != NULL && size > 0) | |
| 2244 | 1439 crypt_decode(ptr, size); |
| 7 | 1440 #endif |
| 1441 } | |
| 1442 skip_read = FALSE; | |
| 1443 | |
| 1444 #ifdef FEAT_MBYTE | |
| 1445 /* | |
| 1446 * At start of file (or after crypt magic number): Check for BOM. | |
| 1447 * Also check for a BOM for other Unicode encodings, but not after | |
| 1448 * converting with 'charconvert' or when a BOM has already been | |
| 1449 * found. | |
| 1450 */ | |
| 1451 if ((filesize == 0 | |
| 1452 # 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
|
1453 || (filesize == (CRYPT_MAGIC_LEN |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
1454 + 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
|
1455 + 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
|
1456 && cryptkey != NULL) |
| 7 | 1457 # endif |
| 1458 ) | |
| 1459 && (fio_flags == FIO_UCSBOM | |
| 1460 || (!curbuf->b_p_bomb | |
| 1461 && tmpname == NULL | |
| 1462 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1463 { | |
| 1464 char_u *ccname; | |
| 1465 int blen; | |
| 1466 | |
| 1467 /* no BOM detection in a short file or in binary mode */ | |
| 1468 if (size < 2 || curbuf->b_p_bin) | |
| 1469 ccname = NULL; | |
| 1470 else | |
| 1471 ccname = check_for_bom(ptr, size, &blen, | |
| 1472 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1473 if (ccname != NULL) | |
| 1474 { | |
| 1475 /* Remove BOM from the text */ | |
| 1476 filesize += blen; | |
| 1477 size -= blen; | |
| 1478 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1479 if (set_options) |
| 1352 | 1480 { |
| 7 | 1481 curbuf->b_p_bomb = TRUE; |
| 1352 | 1482 curbuf->b_start_bomb = TRUE; |
| 1483 } | |
| 7 | 1484 } |
| 1485 | |
| 1486 if (fio_flags == FIO_UCSBOM) | |
| 1487 { | |
| 1488 if (ccname == NULL) | |
| 1489 { | |
| 1490 /* No BOM detected: retry with next encoding. */ | |
| 1491 advance_fenc = TRUE; | |
| 1492 } | |
| 1493 else | |
| 1494 { | |
| 1495 /* BOM detected: set "fenc" and jump back */ | |
| 1496 if (fenc_alloced) | |
| 1497 vim_free(fenc); | |
| 1498 fenc = ccname; | |
| 1499 fenc_alloced = FALSE; | |
| 1500 } | |
| 1501 /* retry reading without getting new bytes or rewinding */ | |
| 1502 skip_read = TRUE; | |
| 1503 goto retry; | |
| 1504 } | |
| 1505 } | |
| 1597 | 1506 |
| 1507 /* Include not converted bytes. */ | |
| 1508 ptr -= conv_restlen; | |
| 1509 size += conv_restlen; | |
| 1510 conv_restlen = 0; | |
| 7 | 1511 #endif |
| 1512 /* | |
| 1513 * Break here for a read error or end-of-file. | |
| 1514 */ | |
| 1515 if (size <= 0) | |
| 1516 break; | |
| 1517 | |
| 1518 #ifdef FEAT_MBYTE | |
| 1519 | |
| 1520 # ifdef USE_ICONV | |
| 1521 if (iconv_fd != (iconv_t)-1) | |
| 1522 { | |
| 1523 /* | |
| 1524 * Attempt conversion of the read bytes to 'encoding' using | |
| 1525 * iconv(). | |
| 1526 */ | |
| 1527 const char *fromp; | |
| 1528 char *top; | |
| 1529 size_t from_size; | |
| 1530 size_t to_size; | |
| 1531 | |
| 1532 fromp = (char *)ptr; | |
| 1533 from_size = size; | |
| 1534 ptr += size; | |
| 1535 top = (char *)ptr; | |
| 1536 to_size = real_size - size; | |
| 1537 | |
| 1538 /* | |
| 1539 * If there is conversion error or not enough room try using | |
| 179 | 1540 * another conversion. Except for when there is no |
| 1541 * alternative (help files). | |
| 7 | 1542 */ |
| 177 | 1543 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1544 &top, &to_size) | |
| 7 | 1545 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1546 || from_size > CONV_RESTLEN) | |
| 177 | 1547 { |
| 595 | 1548 if (can_retry) |
| 375 | 1549 goto rewind_retry; |
| 595 | 1550 if (conv_error == 0) |
| 1551 conv_error = readfile_linenr(linecnt, | |
| 1552 ptr, (char_u *)top); | |
| 1553 | |
| 1554 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1555 ++fromp; |
| 1556 --from_size; | |
| 595 | 1557 if (bad_char_behavior == BAD_KEEP) |
| 1558 { | |
| 1559 *top++ = *(fromp - 1); | |
| 1560 --to_size; | |
| 1561 } | |
| 1562 else if (bad_char_behavior != BAD_DROP) | |
| 1563 { | |
| 1564 *top++ = bad_char_behavior; | |
| 1565 --to_size; | |
| 1566 } | |
| 177 | 1567 } |
| 7 | 1568 |
| 1569 if (from_size > 0) | |
| 1570 { | |
| 1571 /* Some remaining characters, keep them for the next | |
| 1572 * round. */ | |
| 1573 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1574 conv_restlen = (int)from_size; | |
| 1575 } | |
| 1576 | |
| 1577 /* move the linerest to before the converted characters */ | |
| 1578 line_start = ptr - linerest; | |
| 1579 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1580 size = (long)((char_u *)top - ptr); | |
| 1581 } | |
| 1582 # endif | |
| 1583 | |
| 1584 # ifdef WIN3264 | |
| 1585 if (fio_flags & FIO_CODEPAGE) | |
| 1586 { | |
| 595 | 1587 char_u *src, *dst; |
| 1588 WCHAR ucs2buf[3]; | |
| 1589 int ucs2len; | |
| 1590 int codepage = FIO_GET_CP(fio_flags); | |
| 1591 int bytelen; | |
| 1592 int found_bad; | |
| 1593 char replstr[2]; | |
| 1594 | |
| 7 | 1595 /* |
| 1596 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1597 * a codepage, using standard MS-Windows functions. This |
| 1598 * requires two steps: | |
| 1599 * 1. convert from 'fileencoding' to ucs-2 | |
| 1600 * 2. convert from ucs-2 to 'encoding' | |
| 1601 * | |
| 1602 * Because there may be illegal bytes AND an incomplete byte | |
| 1603 * sequence at the end, we may have to do the conversion one | |
| 1604 * character at a time to get it right. | |
| 7 | 1605 */ |
| 595 | 1606 |
| 1607 /* Replacement string for WideCharToMultiByte(). */ | |
| 1608 if (bad_char_behavior > 0) | |
| 1609 replstr[0] = bad_char_behavior; | |
| 1610 else | |
| 1611 replstr[0] = '?'; | |
| 1612 replstr[1] = NUL; | |
| 1613 | |
| 1614 /* | |
| 1615 * Move the bytes to the end of the buffer, so that we have | |
| 1616 * room to put the result at the start. | |
| 1617 */ | |
| 1618 src = ptr + real_size - size; | |
| 1619 mch_memmove(src, ptr, size); | |
| 7 | 1620 |
| 1621 /* | |
| 595 | 1622 * Do the conversion. |
| 7 | 1623 */ |
| 595 | 1624 dst = ptr; |
| 1625 size = size; | |
| 1626 while (size > 0) | |
| 7 | 1627 { |
| 595 | 1628 found_bad = FALSE; |
| 7 | 1629 |
| 1630 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1631 if (codepage == CP_UTF8) |
| 7 | 1632 { |
| 595 | 1633 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1634 * trailing bytes properly. | |
| 1635 * Get one UTF-8 character from src. */ | |
| 835 | 1636 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1637 if (bytelen > size) |
| 1638 { | |
| 1639 /* Only got some bytes of a character. Normally | |
| 1640 * it's put in "conv_rest", but if it's too long | |
| 1641 * deal with it as if they were illegal bytes. */ | |
| 1642 if (bytelen <= CONV_RESTLEN) | |
| 1643 break; | |
| 1644 | |
| 1645 /* weird overlong byte sequence */ | |
| 1646 bytelen = size; | |
| 1647 found_bad = TRUE; | |
| 1648 } | |
| 1649 else | |
| 1650 { | |
| 799 | 1651 int u8c = utf_ptr2char(src); |
| 1652 | |
| 622 | 1653 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1654 found_bad = TRUE; |
| 1655 ucs2buf[0] = u8c; | |
| 1656 ucs2len = 1; | |
| 1657 } | |
| 7 | 1658 } |
| 595 | 1659 else |
| 7 | 1660 # endif |
| 595 | 1661 { |
| 1662 /* We don't know how long the byte sequence is, try | |
| 1663 * from one to three bytes. */ | |
| 1664 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1665 ++bytelen) | |
| 1666 { | |
| 1667 ucs2len = MultiByteToWideChar(codepage, | |
| 1668 MB_ERR_INVALID_CHARS, | |
| 1669 (LPCSTR)src, bytelen, | |
| 1670 ucs2buf, 3); | |
| 1671 if (ucs2len > 0) | |
| 1672 break; | |
| 1673 } | |
| 1674 if (ucs2len == 0) | |
| 1675 { | |
| 1676 /* If we have only one byte then it's probably an | |
| 1677 * incomplete byte sequence. Otherwise discard | |
| 1678 * one byte as a bad character. */ | |
| 1679 if (size == 1) | |
| 1680 break; | |
| 1681 found_bad = TRUE; | |
| 1682 bytelen = 1; | |
| 1683 } | |
| 1684 } | |
| 1685 | |
| 1686 if (!found_bad) | |
| 7 | 1687 { |
| 595 | 1688 int i; |
| 1689 | |
| 1690 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1691 if (enc_utf8) | |
| 1692 { | |
| 1693 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1694 for (i = 0; i < ucs2len; ++i) | |
| 1695 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1696 } | |
| 1697 else | |
| 1698 { | |
| 1699 BOOL bad = FALSE; | |
| 1700 int dstlen; | |
| 1701 | |
| 1702 /* From UCS-2 to "enc_codepage". If the | |
| 1703 * conversion uses the default character "?", | |
| 1704 * the data doesn't fit in this encoding. */ | |
| 1705 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1706 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1707 (LPSTR)dst, (int)(src - dst), |
| 595 | 1708 replstr, &bad); |
| 1709 if (bad) | |
| 1710 found_bad = TRUE; | |
| 1711 else | |
| 1712 dst += dstlen; | |
| 1713 } | |
| 7 | 1714 } |
| 595 | 1715 |
| 1716 if (found_bad) | |
| 1717 { | |
| 1718 /* Deal with bytes we can't convert. */ | |
| 1719 if (can_retry) | |
| 1720 goto rewind_retry; | |
| 1721 if (conv_error == 0) | |
| 1722 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1723 if (bad_char_behavior != BAD_DROP) | |
| 1724 { | |
| 1725 if (bad_char_behavior == BAD_KEEP) | |
| 1726 { | |
| 1727 mch_memmove(dst, src, bytelen); | |
| 1728 dst += bytelen; | |
| 1729 } | |
| 1730 else | |
| 1731 *dst++ = bad_char_behavior; | |
| 1732 } | |
| 1733 } | |
| 1734 | |
| 1735 src += bytelen; | |
| 1736 size -= bytelen; | |
| 7 | 1737 } |
| 595 | 1738 |
| 1739 if (size > 0) | |
| 7 | 1740 { |
| 595 | 1741 /* An incomplete byte sequence remaining. */ |
| 1742 mch_memmove(conv_rest, src, size); | |
| 1743 conv_restlen = size; | |
| 7 | 1744 } |
| 595 | 1745 |
| 1746 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1747 size = (long)(dst - ptr); |
| 7 | 1748 } |
| 1749 else | |
| 1750 # endif | |
| 765 | 1751 # ifdef MACOS_CONVERT |
| 7 | 1752 if (fio_flags & FIO_MACROMAN) |
| 1753 { | |
| 1754 /* | |
| 1755 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1756 * latin1. This is in os_mac_conv.c. |
| 7 | 1757 */ |
| 18 | 1758 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1759 goto rewind_retry; |
| 1760 } | |
| 1761 else | |
| 1762 # endif | |
| 1763 if (fio_flags != 0) | |
| 1764 { | |
| 1765 int u8c; | |
| 1766 char_u *dest; | |
| 1767 char_u *tail = NULL; | |
| 1768 | |
| 1769 /* | |
| 1770 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1771 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1772 * Go from end to start through the buffer, because the number | |
| 1773 * of bytes may increase. | |
| 1774 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1775 * to after the next character to convert. | |
| 1776 */ | |
| 1777 dest = ptr + real_size; | |
| 1778 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1779 { | |
| 1780 p = ptr + size; | |
| 1781 if (fio_flags == FIO_UTF8) | |
| 1782 { | |
| 1783 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1784 tail = ptr + size - 1; | |
| 1785 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1786 --tail; | |
| 1787 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1788 tail = NULL; | |
| 1789 else | |
| 1790 p = tail; | |
| 1791 } | |
| 1792 } | |
| 1793 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1794 { | |
| 1795 /* Check for a trailing byte */ | |
| 1796 p = ptr + (size & ~1); | |
| 1797 if (size & 1) | |
| 1798 tail = p; | |
| 1799 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1800 { | |
| 1801 /* Check for a trailing leading word */ | |
| 1802 if (fio_flags & FIO_ENDIAN_L) | |
| 1803 { | |
| 1804 u8c = (*--p << 8); | |
| 1805 u8c += *--p; | |
| 1806 } | |
| 1807 else | |
| 1808 { | |
| 1809 u8c = *--p; | |
| 1810 u8c += (*--p << 8); | |
| 1811 } | |
| 1812 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1813 tail = p; | |
| 1814 else | |
| 1815 p += 2; | |
| 1816 } | |
| 1817 } | |
| 1818 else /* FIO_UCS4 */ | |
| 1819 { | |
| 1820 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1821 p = ptr + (size & ~3); | |
| 1822 if (size & 3) | |
| 1823 tail = p; | |
| 1824 } | |
| 1825 | |
| 1826 /* If there is a trailing incomplete sequence move it to | |
| 1827 * conv_rest[]. */ | |
| 1828 if (tail != NULL) | |
| 1829 { | |
| 1830 conv_restlen = (int)((ptr + size) - tail); | |
| 1831 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1832 size -= conv_restlen; | |
| 1833 } | |
| 1834 | |
| 1835 | |
| 1836 while (p > ptr) | |
| 1837 { | |
| 1838 if (fio_flags & FIO_LATIN1) | |
| 1839 u8c = *--p; | |
| 1840 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1841 { | |
| 1842 if (fio_flags & FIO_ENDIAN_L) | |
| 1843 { | |
| 1844 u8c = (*--p << 8); | |
| 1845 u8c += *--p; | |
| 1846 } | |
| 1847 else | |
| 1848 { | |
| 1849 u8c = *--p; | |
| 1850 u8c += (*--p << 8); | |
| 1851 } | |
| 1852 if ((fio_flags & FIO_UTF16) | |
| 1853 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1854 { | |
| 1855 int u16c; | |
| 1856 | |
| 1857 if (p == ptr) | |
| 1858 { | |
| 1859 /* Missing leading word. */ | |
| 1860 if (can_retry) | |
| 1861 goto rewind_retry; | |
| 595 | 1862 if (conv_error == 0) |
| 1863 conv_error = readfile_linenr(linecnt, | |
| 1864 ptr, p); | |
| 1865 if (bad_char_behavior == BAD_DROP) | |
| 1866 continue; | |
| 1867 if (bad_char_behavior != BAD_KEEP) | |
| 1868 u8c = bad_char_behavior; | |
| 7 | 1869 } |
| 1870 | |
| 1871 /* found second word of double-word, get the first | |
| 1872 * word and compute the resulting character */ | |
| 1873 if (fio_flags & FIO_ENDIAN_L) | |
| 1874 { | |
| 1875 u16c = (*--p << 8); | |
| 1876 u16c += *--p; | |
| 1877 } | |
| 1878 else | |
| 1879 { | |
| 1880 u16c = *--p; | |
| 1881 u16c += (*--p << 8); | |
| 1882 } | |
| 595 | 1883 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1884 + (u8c & 0x3ff); | |
| 1885 | |
| 7 | 1886 /* Check if the word is indeed a leading word. */ |
| 1887 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1888 { | |
| 1889 if (can_retry) | |
| 1890 goto rewind_retry; | |
| 595 | 1891 if (conv_error == 0) |
| 1892 conv_error = readfile_linenr(linecnt, | |
| 1893 ptr, p); | |
| 1894 if (bad_char_behavior == BAD_DROP) | |
| 1895 continue; | |
| 1896 if (bad_char_behavior != BAD_KEEP) | |
| 1897 u8c = bad_char_behavior; | |
| 7 | 1898 } |
| 1899 } | |
| 1900 } | |
| 1901 else if (fio_flags & FIO_UCS4) | |
| 1902 { | |
| 1903 if (fio_flags & FIO_ENDIAN_L) | |
| 1904 { | |
| 1905 u8c = (*--p << 24); | |
| 1906 u8c += (*--p << 16); | |
| 1907 u8c += (*--p << 8); | |
| 1908 u8c += *--p; | |
| 1909 } | |
| 1910 else /* big endian */ | |
| 1911 { | |
| 1912 u8c = *--p; | |
| 1913 u8c += (*--p << 8); | |
| 1914 u8c += (*--p << 16); | |
| 1915 u8c += (*--p << 24); | |
| 1916 } | |
| 1917 } | |
| 1918 else /* UTF-8 */ | |
| 1919 { | |
| 1920 if (*--p < 0x80) | |
| 1921 u8c = *p; | |
| 1922 else | |
| 1923 { | |
| 1924 len = utf_head_off(ptr, p); | |
| 595 | 1925 p -= len; |
| 1926 u8c = utf_ptr2char(p); | |
| 7 | 1927 if (len == 0) |
| 1928 { | |
| 1929 /* Not a valid UTF-8 character, retry with | |
| 1930 * another fenc when possible, otherwise just | |
| 1931 * report the error. */ | |
| 1932 if (can_retry) | |
| 1933 goto rewind_retry; | |
| 595 | 1934 if (conv_error == 0) |
| 1935 conv_error = readfile_linenr(linecnt, | |
| 1936 ptr, p); | |
| 1937 if (bad_char_behavior == BAD_DROP) | |
| 1938 continue; | |
| 1939 if (bad_char_behavior != BAD_KEEP) | |
| 1940 u8c = bad_char_behavior; | |
| 7 | 1941 } |
| 1942 } | |
| 1943 } | |
| 1944 if (enc_utf8) /* produce UTF-8 */ | |
| 1945 { | |
| 1946 dest -= utf_char2len(u8c); | |
| 1947 (void)utf_char2bytes(u8c, dest); | |
| 1948 } | |
| 1949 else /* produce Latin1 */ | |
| 1950 { | |
| 1951 --dest; | |
| 1952 if (u8c >= 0x100) | |
| 1953 { | |
| 1954 /* character doesn't fit in latin1, retry with | |
| 1955 * another fenc when possible, otherwise just | |
| 1956 * report the error. */ | |
| 595 | 1957 if (can_retry) |
| 7 | 1958 goto rewind_retry; |
| 595 | 1959 if (conv_error == 0) |
| 1960 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 1961 if (bad_char_behavior == BAD_DROP) | |
| 1962 ++dest; | |
| 1963 else if (bad_char_behavior == BAD_KEEP) | |
| 1964 *dest = u8c; | |
| 1965 else if (eap != NULL && eap->bad_char != 0) | |
| 1966 *dest = bad_char_behavior; | |
| 1967 else | |
| 1968 *dest = 0xBF; | |
| 7 | 1969 } |
| 1970 else | |
| 1971 *dest = u8c; | |
| 1972 } | |
| 1973 } | |
| 1974 | |
| 1975 /* move the linerest to before the converted characters */ | |
| 1976 line_start = dest - linerest; | |
| 1977 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1978 size = (long)((ptr + real_size) - dest); | |
| 1979 ptr = dest; | |
| 1980 } | |
| 1597 | 1981 else if (enc_utf8 && !curbuf->b_p_bin) |
| 1982 { | |
| 1983 int incomplete_tail = FALSE; | |
| 1984 | |
| 1985 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 1986 for (p = ptr; ; ++p) | |
| 7 | 1987 { |
| 835 | 1988 int todo = (int)((ptr + size) - p); |
| 595 | 1989 int l; |
| 1990 | |
| 1991 if (todo <= 0) | |
| 1992 break; | |
| 7 | 1993 if (*p >= 0x80) |
| 1994 { | |
| 1995 /* A length of 1 means it's an illegal byte. Accept | |
| 1996 * an incomplete character at the end though, the next | |
| 1997 * read() will get the next bytes, we'll check it | |
| 1998 * then. */ | |
| 595 | 1999 l = utf_ptr2len_len(p, todo); |
| 1597 | 2000 if (l > todo && !incomplete_tail) |
| 7 | 2001 { |
| 1597 | 2002 /* Avoid retrying with a different encoding when |
| 2003 * a truncated file is more likely, or attempting | |
| 2004 * to read the rest of an incomplete sequence when | |
| 2005 * we have already done so. */ | |
| 2006 if (p > ptr || filesize > 0) | |
| 2007 incomplete_tail = TRUE; | |
| 2008 /* Incomplete byte sequence, move it to conv_rest[] | |
| 2009 * and try to read the rest of it, unless we've | |
| 2010 * already done so. */ | |
| 2011 if (p > ptr) | |
| 2012 { | |
| 2013 conv_restlen = todo; | |
| 2014 mch_memmove(conv_rest, p, conv_restlen); | |
| 2015 size -= conv_restlen; | |
| 2016 break; | |
| 2017 } | |
| 7 | 2018 } |
| 1597 | 2019 if (l == 1 || l > todo) |
| 595 | 2020 { |
| 2021 /* Illegal byte. If we can try another encoding | |
| 1597 | 2022 * do that, unless at EOF where a truncated |
| 2023 * file is more likely than a conversion error. */ | |
| 2024 if (can_retry && !incomplete_tail) | |
| 595 | 2025 break; |
| 2026 # ifdef USE_ICONV | |
| 2027 /* When we did a conversion report an error. */ | |
| 2028 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2029 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2030 # endif | |
| 1597 | 2031 /* Remember the first linenr with an illegal byte */ |
| 2032 if (conv_error == 0 && illegal_byte == 0) | |
| 2033 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2034 |
| 2035 /* Drop, keep or replace the bad byte. */ | |
| 2036 if (bad_char_behavior == BAD_DROP) | |
| 2037 { | |
| 1597 | 2038 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2039 --p; |
| 2040 --size; | |
| 2041 } | |
| 2042 else if (bad_char_behavior != BAD_KEEP) | |
| 2043 *p = bad_char_behavior; | |
| 2044 } | |
| 1597 | 2045 else |
| 2046 p += l - 1; | |
| 7 | 2047 } |
| 2048 } | |
| 1597 | 2049 if (p < ptr + size && !incomplete_tail) |
| 7 | 2050 { |
| 2051 /* Detected a UTF-8 error. */ | |
| 2052 rewind_retry: | |
| 595 | 2053 /* Retry reading with another conversion. */ |
| 7 | 2054 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2055 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2056 /* iconv() failed, try 'charconvert' */ | |
| 2057 did_iconv = TRUE; | |
| 7 | 2058 else |
| 2059 # endif | |
| 595 | 2060 /* use next item from 'fileencodings' */ |
| 2061 advance_fenc = TRUE; | |
| 2062 file_rewind = TRUE; | |
| 2063 goto retry; | |
| 7 | 2064 } |
| 2065 } | |
| 2066 #endif | |
| 2067 | |
| 2068 /* count the number of characters (after conversion!) */ | |
| 2069 filesize += size; | |
| 2070 | |
| 2071 /* | |
| 2072 * when reading the first part of a file: guess EOL type | |
| 2073 */ | |
| 2074 if (fileformat == EOL_UNKNOWN) | |
| 2075 { | |
| 2076 /* First try finding a NL, for Dos and Unix */ | |
| 2077 if (try_dos || try_unix) | |
| 2078 { | |
| 2079 for (p = ptr; p < ptr + size; ++p) | |
| 2080 { | |
| 2081 if (*p == NL) | |
| 2082 { | |
| 2083 if (!try_unix | |
| 2084 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2085 fileformat = EOL_DOS; | |
| 2086 else | |
| 2087 fileformat = EOL_UNIX; | |
| 2088 break; | |
| 2089 } | |
| 2090 } | |
| 2091 | |
| 2092 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2093 if (fileformat == EOL_UNIX && try_mac) | |
| 2094 { | |
| 2095 /* Need to reset the counters when retrying fenc. */ | |
| 2096 try_mac = 1; | |
| 2097 try_unix = 1; | |
| 2098 for (; p >= ptr && *p != CAR; p--) | |
| 2099 ; | |
| 2100 if (p >= ptr) | |
| 2101 { | |
| 2102 for (p = ptr; p < ptr + size; ++p) | |
| 2103 { | |
| 2104 if (*p == NL) | |
| 2105 try_unix++; | |
| 2106 else if (*p == CAR) | |
| 2107 try_mac++; | |
| 2108 } | |
| 2109 if (try_mac > try_unix) | |
| 2110 fileformat = EOL_MAC; | |
| 2111 } | |
| 2112 } | |
| 2113 } | |
| 2114 | |
| 2115 /* No NL found: may use Mac format */ | |
| 2116 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2117 fileformat = EOL_MAC; | |
| 2118 | |
| 2119 /* Still nothing found? Use first format in 'ffs' */ | |
| 2120 if (fileformat == EOL_UNKNOWN) | |
| 2121 fileformat = default_fileformat(); | |
| 2122 | |
| 2123 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2124 if (set_options) |
| 7 | 2125 set_fileformat(fileformat, OPT_LOCAL); |
| 2126 } | |
| 2127 } | |
| 2128 | |
| 2129 /* | |
| 2130 * This loop is executed once for every character read. | |
| 2131 * Keep it fast! | |
| 2132 */ | |
| 2133 if (fileformat == EOL_MAC) | |
| 2134 { | |
| 2135 --ptr; | |
| 2136 while (++ptr, --size >= 0) | |
| 2137 { | |
| 2138 /* catch most common case first */ | |
| 2139 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2140 continue; | |
| 2141 if (c == NUL) | |
| 2142 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2143 else if (c == NL) | |
| 2144 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2145 else | |
| 2146 { | |
| 2147 if (skip_count == 0) | |
| 2148 { | |
| 2149 *ptr = NUL; /* end of line */ | |
| 2150 len = (colnr_T) (ptr - line_start + 1); | |
| 2151 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2152 { | |
| 2153 error = TRUE; | |
| 2154 break; | |
| 2155 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2156 #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
|
2157 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
|
2158 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
|
2159 #endif |
| 7 | 2160 ++lnum; |
| 2161 if (--read_count == 0) | |
| 2162 { | |
| 2163 error = TRUE; /* break loop */ | |
| 2164 line_start = ptr; /* nothing left to write */ | |
| 2165 break; | |
| 2166 } | |
| 2167 } | |
| 2168 else | |
| 2169 --skip_count; | |
| 2170 line_start = ptr + 1; | |
| 2171 } | |
| 2172 } | |
| 2173 } | |
| 2174 else | |
| 2175 { | |
| 2176 --ptr; | |
| 2177 while (++ptr, --size >= 0) | |
| 2178 { | |
| 2179 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2180 continue; | |
| 2181 if (c == NUL) | |
| 2182 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2183 else | |
| 2184 { | |
| 2185 if (skip_count == 0) | |
| 2186 { | |
| 2187 *ptr = NUL; /* end of line */ | |
| 2188 len = (colnr_T)(ptr - line_start + 1); | |
| 2189 if (fileformat == EOL_DOS) | |
| 2190 { | |
| 2191 if (ptr[-1] == CAR) /* remove CR */ | |
| 2192 { | |
| 2193 ptr[-1] = NUL; | |
| 2194 --len; | |
| 2195 } | |
| 2196 /* | |
| 2197 * Reading in Dos format, but no CR-LF found! | |
| 2198 * When 'fileformats' includes "unix", delete all | |
| 2199 * the lines read so far and start all over again. | |
| 2200 * Otherwise give an error message later. | |
| 2201 */ | |
| 2202 else if (ff_error != EOL_DOS) | |
| 2203 { | |
| 2204 if ( try_unix | |
| 2205 && !read_stdin | |
| 2206 && (read_buffer | |
| 2207 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2208 { | |
| 2209 fileformat = EOL_UNIX; | |
| 819 | 2210 if (set_options) |
| 7 | 2211 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2212 file_rewind = TRUE; | |
| 2213 keep_fileformat = TRUE; | |
| 2214 goto retry; | |
| 2215 } | |
| 2216 ff_error = EOL_DOS; | |
| 2217 } | |
| 2218 } | |
| 2219 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2220 { | |
| 2221 error = TRUE; | |
| 2222 break; | |
| 2223 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2224 #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
|
2225 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
|
2226 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
|
2227 #endif |
| 7 | 2228 ++lnum; |
| 2229 if (--read_count == 0) | |
| 2230 { | |
| 2231 error = TRUE; /* break loop */ | |
| 2232 line_start = ptr; /* nothing left to write */ | |
| 2233 break; | |
| 2234 } | |
| 2235 } | |
| 2236 else | |
| 2237 --skip_count; | |
| 2238 line_start = ptr + 1; | |
| 2239 } | |
| 2240 } | |
| 2241 } | |
| 2242 linerest = (long)(ptr - line_start); | |
| 2243 ui_breakcheck(); | |
| 2244 } | |
| 2245 | |
| 2246 failed: | |
| 2247 /* not an error, max. number of lines reached */ | |
| 2248 if (error && read_count == 0) | |
| 2249 error = FALSE; | |
| 2250 | |
| 2251 /* | |
| 2252 * If we get EOF in the middle of a line, note the fact and | |
| 2253 * complete the line ourselves. | |
| 2254 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2255 */ | |
| 2256 if (!error | |
| 2257 && !got_int | |
| 2258 && linerest != 0 | |
| 2259 && !(!curbuf->b_p_bin | |
| 2260 && fileformat == EOL_DOS | |
| 2261 && *line_start == Ctrl_Z | |
| 2262 && ptr == line_start + 1)) | |
| 2263 { | |
| 819 | 2264 /* remember for when writing */ |
| 2265 if (set_options) | |
| 7 | 2266 curbuf->b_p_eol = FALSE; |
| 2267 *ptr = NUL; | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2268 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
|
2269 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
| 7 | 2270 error = TRUE; |
| 2271 else | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2272 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2273 #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
|
2274 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
|
2275 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
|
2276 #endif |
| 7 | 2277 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
|
2278 } |
| 7 | 2279 } |
| 2280 | |
| 819 | 2281 if (set_options) |
| 7 | 2282 save_file_ff(curbuf); /* remember the current file format */ |
| 2283 | |
| 2284 #ifdef FEAT_CRYPT | |
| 2717 | 2285 crypt_method_used = use_crypt_method; |
| 2267 | 2286 if (cryptkey != NULL) |
| 2287 { | |
| 2288 crypt_pop_state(); | |
| 2289 if (cryptkey != curbuf->b_p_key) | |
| 2290 free_crypt_key(cryptkey); | |
| 2291 /* don't set cryptkey to NULL, it's used below as a flag that | |
| 2292 * encryption was used */ | |
| 2293 } | |
| 7 | 2294 #endif |
| 2295 | |
| 2296 #ifdef FEAT_MBYTE | |
| 819 | 2297 /* If editing a new file: set 'fenc' for the current buffer. |
| 2298 * Also for ":read ++edit file". */ | |
| 2299 if (set_options) | |
| 7 | 2300 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2301 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2302 if (fenc_alloced) |
| 2303 vim_free(fenc); | |
| 2304 # ifdef USE_ICONV | |
| 2305 if (iconv_fd != (iconv_t)-1) | |
| 2306 { | |
| 2307 iconv_close(iconv_fd); | |
| 2308 iconv_fd = (iconv_t)-1; | |
| 2309 } | |
| 2310 # endif | |
| 2311 #endif | |
| 2312 | |
| 2313 if (!read_buffer && !read_stdin) | |
| 2314 close(fd); /* errors are ignored */ | |
| 2003 | 2315 #ifdef HAVE_FD_CLOEXEC |
| 2316 else | |
| 2317 { | |
| 2318 int fdflags = fcntl(fd, F_GETFD); | |
| 2319 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
| 2320 fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); | |
| 2321 } | |
| 2322 #endif | |
| 7 | 2323 vim_free(buffer); |
| 2324 | |
| 2325 #ifdef HAVE_DUP | |
| 2326 if (read_stdin) | |
| 2327 { | |
| 2328 /* Use stderr for stdin, makes shell commands work. */ | |
| 2329 close(0); | |
| 1757 | 2330 ignored = dup(2); |
| 7 | 2331 } |
| 2332 #endif | |
| 2333 | |
| 2334 #ifdef FEAT_MBYTE | |
| 2335 if (tmpname != NULL) | |
| 2336 { | |
| 2337 mch_remove(tmpname); /* delete converted file */ | |
| 2338 vim_free(tmpname); | |
| 2339 } | |
| 2340 #endif | |
| 2341 --no_wait_return; /* may wait for return now */ | |
| 2342 | |
| 2343 /* | |
| 2344 * In recovery mode everything but autocommands is skipped. | |
| 2345 */ | |
| 2346 if (!recoverymode) | |
| 2347 { | |
| 2348 /* need to delete the last line, which comes from the empty buffer */ | |
| 2349 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2350 { | |
| 2351 #ifdef FEAT_NETBEANS_INTG | |
| 2352 netbeansFireChanges = 0; | |
| 2353 #endif | |
| 2354 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2355 #ifdef FEAT_NETBEANS_INTG | |
| 2356 netbeansFireChanges = 1; | |
| 2357 #endif | |
| 2358 --linecnt; | |
| 2359 } | |
| 2360 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2361 if (filesize == 0) | |
| 2362 linecnt = 0; | |
| 2363 if (newfile || read_buffer) | |
| 1201 | 2364 { |
| 7 | 2365 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2366 #ifdef FEAT_DIFF |
| 2367 /* After reading the text into the buffer the diff info needs to | |
| 2368 * be updated. */ | |
| 2369 diff_invalidate(curbuf); | |
| 2370 #endif | |
| 2371 #ifdef FEAT_FOLDING | |
| 2372 /* All folds in the window are invalid now. Mark them for update | |
| 2373 * before triggering autocommands. */ | |
| 2374 foldUpdateAll(curwin); | |
| 2375 #endif | |
| 2376 } | |
| 7 | 2377 else if (linecnt) /* appended at least one line */ |
| 2378 appended_lines_mark(from, linecnt); | |
| 2379 | |
| 2380 #ifndef ALWAYS_USE_GUI | |
| 2381 /* | |
| 2382 * If we were reading from the same terminal as where messages go, | |
| 2383 * the screen will have been messed up. | |
| 2384 * Switch on raw mode now and clear the screen. | |
| 2385 */ | |
| 2386 if (read_stdin) | |
| 2387 { | |
| 2388 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2389 starttermcap(); | |
| 2390 screenclear(); | |
| 2391 } | |
| 2392 #endif | |
| 2393 | |
| 2394 if (got_int) | |
| 2395 { | |
| 2396 if (!(flags & READ_DUMMY)) | |
| 2397 { | |
| 2398 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2399 if (newfile) | |
| 2400 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2401 } | |
| 2402 msg_scroll = msg_save; | |
| 2403 #ifdef FEAT_VIMINFO | |
| 2404 check_marks_read(); | |
| 2405 #endif | |
| 2406 return OK; /* an interrupt isn't really an error */ | |
| 2407 } | |
| 2408 | |
| 2409 if (!filtering && !(flags & READ_DUMMY)) | |
| 2410 { | |
| 2411 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2412 c = FALSE; | |
| 2413 | |
| 2414 #ifdef UNIX | |
| 2415 # ifdef S_ISFIFO | |
| 2416 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2417 { | |
| 2418 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2419 c = TRUE; | |
| 2420 } | |
| 2421 # else | |
| 2422 # ifdef S_IFIFO | |
| 2423 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2424 { | |
| 2425 STRCAT(IObuff, _("[fifo]")); | |
| 2426 c = TRUE; | |
| 2427 } | |
| 2428 # endif | |
| 2429 # ifdef S_IFSOCK | |
| 2430 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2431 { | |
| 2432 STRCAT(IObuff, _("[socket]")); | |
| 2433 c = TRUE; | |
| 2434 } | |
| 2435 # endif | |
| 2436 # endif | |
| 1313 | 2437 # ifdef OPEN_CHR_FILES |
| 2438 if (S_ISCHR(perm)) /* or character special */ | |
| 2439 { | |
| 2440 STRCAT(IObuff, _("[character special]")); | |
| 2441 c = TRUE; | |
| 2442 } | |
| 2443 # endif | |
| 7 | 2444 #endif |
| 2445 if (curbuf->b_p_ro) | |
| 2446 { | |
| 2447 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2448 c = TRUE; | |
| 2449 } | |
| 2450 if (read_no_eol_lnum) | |
| 2451 { | |
| 2452 msg_add_eol(); | |
| 2453 c = TRUE; | |
| 2454 } | |
| 2455 if (ff_error == EOL_DOS) | |
| 2456 { | |
| 2457 STRCAT(IObuff, _("[CR missing]")); | |
| 2458 c = TRUE; | |
| 2459 } | |
| 2460 if (split) | |
| 2461 { | |
| 2462 STRCAT(IObuff, _("[long lines split]")); | |
| 2463 c = TRUE; | |
| 2464 } | |
| 2465 #ifdef FEAT_MBYTE | |
| 2466 if (notconverted) | |
| 2467 { | |
| 2468 STRCAT(IObuff, _("[NOT converted]")); | |
| 2469 c = TRUE; | |
| 2470 } | |
| 2471 else if (converted) | |
| 2472 { | |
| 2473 STRCAT(IObuff, _("[converted]")); | |
| 2474 c = TRUE; | |
| 2475 } | |
| 2476 #endif | |
| 2477 #ifdef FEAT_CRYPT | |
| 2478 if (cryptkey != NULL) | |
| 2479 { | |
| 2717 | 2480 if (crypt_method_used == 1) |
| 2481 STRCAT(IObuff, _("[blowfish]")); | |
| 2482 else | |
| 2483 STRCAT(IObuff, _("[crypted]")); | |
| 7 | 2484 c = TRUE; |
| 2485 } | |
| 2486 #endif | |
| 2487 #ifdef FEAT_MBYTE | |
| 595 | 2488 if (conv_error != 0) |
| 2489 { | |
| 2490 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2491 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2492 c = TRUE; |
| 2493 } | |
| 2494 else if (illegal_byte > 0) | |
| 2495 { | |
| 2496 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2497 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2498 c = TRUE; | |
| 2499 } | |
| 2500 else | |
| 2501 #endif | |
| 2502 if (error) | |
| 2503 { | |
| 2504 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2505 c = TRUE; | |
| 2506 } | |
| 2507 if (msg_add_fileformat(fileformat)) | |
| 2508 c = TRUE; | |
| 2509 #ifdef FEAT_CRYPT | |
| 2510 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
|
2511 msg_add_lines(c, (long)linecnt, filesize |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2512 - CRYPT_MAGIC_LEN |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2513 - crypt_salt_len[use_crypt_method] |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2514 - crypt_seed_len[use_crypt_method]); |
| 7 | 2515 else |
| 2516 #endif | |
| 2517 msg_add_lines(c, (long)linecnt, filesize); | |
| 2518 | |
| 2519 vim_free(keep_msg); | |
| 2520 keep_msg = NULL; | |
| 2521 msg_scrolled_ign = TRUE; | |
| 2522 #ifdef ALWAYS_USE_GUI | |
| 2523 /* Don't show the message when reading stdin, it would end up in a | |
| 2524 * message box (which might be shown when exiting!) */ | |
| 2525 if (read_stdin || read_buffer) | |
| 2526 p = msg_may_trunc(FALSE, IObuff); | |
| 2527 else | |
| 2528 #endif | |
| 2529 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2530 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2531 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2532 /* Need to repeat the message after redrawing when: |
| 2533 * - When reading from stdin (the screen will be cleared next). | |
| 2534 * - When restart_edit is set (otherwise there will be a delay | |
| 2535 * before redrawing). | |
| 2536 * - When the screen was scrolled but there is no wait-return | |
| 2537 * prompt. */ | |
| 679 | 2538 set_keep_msg(p, 0); |
| 7 | 2539 msg_scrolled_ign = FALSE; |
| 2540 } | |
| 2541 | |
| 2542 /* with errors writing the file requires ":w!" */ | |
| 2543 if (newfile && (error | |
| 2544 #ifdef FEAT_MBYTE | |
| 595 | 2545 || conv_error != 0 |
| 679 | 2546 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2547 #endif |
| 2548 )) | |
| 2549 curbuf->b_p_ro = TRUE; | |
| 2550 | |
| 2551 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2552 | |
| 2553 /* | |
| 2554 * In Ex mode: cursor at last new line. | |
| 2555 * Otherwise: cursor at first new line. | |
| 2556 */ | |
| 2557 if (exmode_active) | |
| 2558 curwin->w_cursor.lnum = from + linecnt; | |
| 2559 else | |
| 2560 curwin->w_cursor.lnum = from + 1; | |
| 2561 check_cursor_lnum(); | |
| 2562 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2563 | |
| 2564 /* | |
| 2565 * Set '[ and '] marks to the newly read lines. | |
| 2566 */ | |
| 2567 curbuf->b_op_start.lnum = from + 1; | |
| 2568 curbuf->b_op_start.col = 0; | |
| 2569 curbuf->b_op_end.lnum = from + linecnt; | |
| 2570 curbuf->b_op_end.col = 0; | |
| 696 | 2571 |
| 2572 #ifdef WIN32 | |
| 2573 /* | |
| 2574 * Work around a weird problem: When a file has two links (only | |
| 2575 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2576 * through the other link, the timestamp information may be wrong. |
| 696 | 2577 * It's correct again after reading the file, thus reset the timestamp |
| 2578 * here. | |
| 2579 */ | |
| 2580 if (newfile && !read_stdin && !read_buffer | |
| 2581 && mch_stat((char *)fname, &st) >= 0) | |
| 2582 { | |
| 2583 buf_store_time(curbuf, &st, fname); | |
| 2584 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2585 } | |
| 2586 #endif | |
| 7 | 2587 } |
| 2588 msg_scroll = msg_save; | |
| 2589 | |
| 2590 #ifdef FEAT_VIMINFO | |
| 2591 /* | |
| 2592 * Get the marks before executing autocommands, so they can be used there. | |
| 2593 */ | |
| 2594 check_marks_read(); | |
| 2595 #endif | |
| 2596 | |
| 2597 /* | |
| 2598 * Trick: We remember if the last line of the read didn't have | |
| 2707 | 2599 * an eol even when 'binary' is off, for when writing it again with |
| 2600 * 'binary' on. This is required for | |
| 7 | 2601 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. |
| 2602 */ | |
| 2707 | 2603 curbuf->b_no_eol_lnum = read_no_eol_lnum; |
| 7 | 2604 |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2605 /* 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
|
2606 * different. */ |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2607 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
|
2608 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
|
2609 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2610 #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
|
2611 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2612 * 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
|
2613 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2614 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
|
2615 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2616 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
|
2617 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2618 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
|
2619 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
|
2620 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2621 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2622 |
| 167 | 2623 #ifdef FEAT_AUTOCMD |
| 7 | 2624 if (!read_stdin && !read_buffer) |
| 2625 { | |
| 2626 int m = msg_scroll; | |
| 2627 int n = msg_scrolled; | |
| 2628 | |
| 2629 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2630 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2631 if (set_options) |
| 7 | 2632 save_file_ff(curbuf); |
| 2633 | |
| 2634 /* | |
| 2635 * The output from the autocommands should not overwrite anything and | |
| 2636 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2637 * output was done. | |
| 2638 */ | |
| 2639 msg_scroll = TRUE; | |
| 2640 if (filtering) | |
| 2641 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2642 FALSE, curbuf, eap); | |
| 2643 else if (newfile) | |
| 2644 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, | |
| 2645 FALSE, curbuf, eap); | |
| 2646 else | |
| 2647 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2648 FALSE, NULL, eap); | |
| 2649 if (msg_scrolled == n) | |
| 2650 msg_scroll = m; | |
| 2707 | 2651 # ifdef FEAT_EVAL |
| 7 | 2652 if (aborting()) /* autocmds may abort script processing */ |
| 2653 return FAIL; | |
| 2707 | 2654 # endif |
| 2655 } | |
| 2656 #endif | |
| 2657 | |
| 2658 /* Reset now, following writes should not omit the EOL. Also, the line | |
| 2659 * number will become invalid because of edits. */ | |
| 2660 curbuf->b_no_eol_lnum = 0; | |
| 7 | 2661 |
| 2662 if (recoverymode && error) | |
| 2663 return FAIL; | |
| 2664 return OK; | |
| 2665 } | |
| 2666 | |
| 1313 | 2667 #ifdef OPEN_CHR_FILES |
| 2668 /* | |
| 2669 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2670 * which is the name of files used for process substitution output by | |
| 2671 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2672 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2673 */ | |
| 2674 static int | |
| 2675 is_dev_fd_file(fname) | |
| 2676 char_u *fname; | |
| 2677 { | |
| 2678 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2679 && VIM_ISDIGIT(fname[8]) | |
| 2680 && *skipdigits(fname + 9) == NUL | |
| 2681 && (fname[9] != NUL | |
| 2682 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2683 } | |
| 2684 #endif | |
| 2685 | |
| 595 | 2686 #ifdef FEAT_MBYTE |
| 2687 | |
| 2688 /* | |
| 2689 * From the current line count and characters read after that, estimate the | |
| 2690 * line number where we are now. | |
| 2691 * Used for error messages that include a line number. | |
| 2692 */ | |
| 2693 static linenr_T | |
| 2694 readfile_linenr(linecnt, p, endp) | |
| 2695 linenr_T linecnt; /* line count before reading more bytes */ | |
| 2696 char_u *p; /* start of more bytes read */ | |
| 2697 char_u *endp; /* end of more bytes read */ | |
| 2698 { | |
| 2699 char_u *s; | |
| 2700 linenr_T lnum; | |
| 2701 | |
| 2702 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2703 for (s = p; s < endp; ++s) | |
| 2704 if (*s == '\n') | |
| 2705 ++lnum; | |
| 2706 return lnum; | |
| 2707 } | |
| 2708 #endif | |
| 2709 | |
| 7 | 2710 /* |
| 612 | 2711 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2712 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2713 * Returns OK or FAIL. |
| 2714 */ | |
| 2715 int | |
| 2716 prep_exarg(eap, buf) | |
| 2717 exarg_T *eap; | |
| 2718 buf_T *buf; | |
| 2719 { | |
| 2720 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2721 #ifdef FEAT_MBYTE | |
| 2722 + STRLEN(buf->b_p_fenc) | |
| 2723 #endif | |
| 2724 + 15)); | |
| 2725 if (eap->cmd == NULL) | |
| 2726 return FAIL; | |
| 2727 | |
| 2728 #ifdef FEAT_MBYTE | |
| 2729 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2730 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2731 eap->bad_char = buf->b_bad_char; |
| 7 | 2732 #else |
| 2733 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2734 #endif | |
| 2735 eap->force_ff = 7; | |
| 612 | 2736 |
| 2737 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2738 eap->read_edit = FALSE; |
| 612 | 2739 eap->forceit = FALSE; |
| 7 | 2740 return OK; |
| 2741 } | |
| 2742 | |
| 2743 #ifdef FEAT_MBYTE | |
| 2744 /* | |
| 2745 * Find next fileencoding to use from 'fileencodings'. | |
| 2746 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2747 * When there are no more items, an empty string is returned and *pp is set to | |
| 2748 * NULL. | |
| 2749 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2750 */ | |
| 2751 static char_u * | |
| 2752 next_fenc(pp) | |
| 2753 char_u **pp; | |
| 2754 { | |
| 2755 char_u *p; | |
| 2756 char_u *r; | |
| 2757 | |
| 2758 if (**pp == NUL) | |
| 2759 { | |
| 2760 *pp = NULL; | |
| 2761 return (char_u *)""; | |
| 2762 } | |
| 2763 p = vim_strchr(*pp, ','); | |
| 2764 if (p == NULL) | |
| 2765 { | |
| 2766 r = enc_canonize(*pp); | |
| 2767 *pp += STRLEN(*pp); | |
| 2768 } | |
| 2769 else | |
| 2770 { | |
| 2771 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2772 *pp = p + 1; | |
| 2773 if (r != NULL) | |
| 2774 { | |
| 2775 p = enc_canonize(r); | |
| 2776 vim_free(r); | |
| 2777 r = p; | |
| 2778 } | |
| 2779 } | |
| 2780 if (r == NULL) /* out of memory */ | |
| 2781 { | |
| 2782 r = (char_u *)""; | |
| 2783 *pp = NULL; | |
| 2784 } | |
| 2785 return r; | |
| 2786 } | |
| 2787 | |
| 2788 # ifdef FEAT_EVAL | |
| 2789 /* | |
| 2790 * Convert a file with the 'charconvert' expression. | |
| 2791 * This closes the file which is to be read, converts it and opens the | |
| 2792 * resulting file for reading. | |
| 2793 * Returns name of the resulting converted file (the caller should delete it | |
| 2794 * after reading it). | |
| 2795 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2796 */ | |
| 2797 static char_u * | |
| 2798 readfile_charconvert(fname, fenc, fdp) | |
| 2799 char_u *fname; /* name of input file */ | |
| 2800 char_u *fenc; /* converted from */ | |
| 2801 int *fdp; /* in/out: file descriptor of file */ | |
| 2802 { | |
| 2803 char_u *tmpname; | |
| 2804 char_u *errmsg = NULL; | |
| 2805 | |
| 2806 tmpname = vim_tempname('r'); | |
| 2807 if (tmpname == NULL) | |
| 2808 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2809 else | |
| 2810 { | |
| 2811 close(*fdp); /* close the input file, ignore errors */ | |
| 2812 *fdp = -1; | |
| 2813 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2814 fname, tmpname) == FAIL) | |
| 2815 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2816 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2817 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2818 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2819 } | |
| 2820 | |
| 2821 if (errmsg != NULL) | |
| 2822 { | |
| 2823 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2824 * another type of conversion might still work. */ | |
| 2825 MSG(errmsg); | |
| 2826 if (tmpname != NULL) | |
| 2827 { | |
| 2828 mch_remove(tmpname); /* delete converted file */ | |
| 2829 vim_free(tmpname); | |
| 2830 tmpname = NULL; | |
| 2831 } | |
| 2832 } | |
| 2833 | |
| 2834 /* If the input file is closed, open it (caller should check for error). */ | |
| 2835 if (*fdp < 0) | |
| 2836 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2837 | |
| 2838 return tmpname; | |
| 2839 } | |
| 2840 # endif | |
| 2841 | |
| 2842 #endif | |
| 2843 | |
| 2844 #ifdef FEAT_VIMINFO | |
| 2845 /* | |
| 2846 * Read marks for the current buffer from the viminfo file, when we support | |
| 2847 * buffer marks and the buffer has a name. | |
| 2848 */ | |
| 2849 static void | |
| 2850 check_marks_read() | |
| 2851 { | |
| 2852 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2853 && curbuf->b_ffname != NULL) | |
| 1733 | 2854 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2855 |
| 2856 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2857 * the ' parameter after opening a buffer. */ | |
| 2858 curbuf->b_marks_read = TRUE; | |
| 2859 } | |
| 2860 #endif | |
| 2861 | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2862 #if defined(FEAT_CRYPT) || defined(PROTO) |
| 7 | 2863 /* |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2864 * 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
|
2865 * 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
|
2866 * 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
|
2867 */ |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2868 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
|
2869 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
|
2870 char *ptr; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2871 int len; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2872 { |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2873 int i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2874 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2875 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
|
2876 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2877 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
|
2878 continue; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2879 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
|
2880 return i; |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2881 } |
|
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
|
2882 |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
2883 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
|
2884 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
|
2885 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
|
2886 |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2887 return -1; |
|
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 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2890 /* |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2891 * Check for magic number used for encryption. Applies to the current buffer. |
| 7 | 2892 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
| 2893 * *filesizep are updated. | |
| 2894 * Return the (new) encryption key, NULL for no encryption. | |
| 2895 */ | |
| 2896 static char_u * | |
| 2267 | 2897 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile, fname, did_ask) |
| 7 | 2898 char_u *cryptkey; /* previous encryption key or NULL */ |
| 2899 char_u *ptr; /* pointer to read bytes */ | |
| 2900 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
|
2901 off_t *filesizep; /* nr of bytes used from file */ |
| 7 | 2902 int newfile; /* editing a new buffer */ |
| 2267 | 2903 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
|
2904 int *did_ask; /* flag: whether already asked for key */ |
| 7 | 2905 { |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2906 int method = crypt_method_from_magic((char *)ptr, *sizep); |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2907 |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2908 if (method >= 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2909 { |
|
2360
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2910 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
|
2911 if (method > 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2912 (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
|
2913 if (cryptkey == NULL && !*did_ask) |
| 7 | 2914 { |
| 2915 if (*curbuf->b_p_key) | |
| 2916 cryptkey = curbuf->b_p_key; | |
| 2917 else | |
| 2918 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2919 /* 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
|
2920 * 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
|
2921 * 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
|
2922 * Happens when retrying to detect encoding. */ |
| 2267 | 2923 smsg((char_u *)_(need_key_msg), fname); |
| 2924 msg_scroll = TRUE; | |
| 7 | 2925 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
|
2926 *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
|
2927 |
| 7 | 2928 /* check if empty key entered */ |
| 2929 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2930 { | |
| 2931 if (cryptkey != curbuf->b_p_key) | |
| 2932 vim_free(cryptkey); | |
| 2933 cryptkey = NULL; | |
| 2934 } | |
| 2935 } | |
| 2936 } | |
| 2937 | |
| 2938 if (cryptkey != NULL) | |
| 2939 { | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2940 int seed_len = crypt_seed_len[method]; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2941 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
|
2942 |
| 2267 | 2943 crypt_push_state(); |
| 2944 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
|
2945 if (method == 0) |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2946 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
|
2947 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2948 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2949 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
|
2950 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
|
2951 } |
| 7 | 2952 |
| 2953 /* Remove magic number from the text */ | |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2954 *filesizep += CRYPT_MAGIC_LEN + salt_len + seed_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2955 *sizep -= CRYPT_MAGIC_LEN + salt_len + seed_len; |
| 2267 | 2956 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN + salt_len + seed_len, |
| 2957 (size_t)*sizep); | |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2958 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2959 } |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
2960 /* 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
|
2961 * 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
|
2962 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
| 7 | 2963 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
| 2964 | |
| 2965 return cryptkey; | |
| 2966 } | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2967 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2968 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2969 * 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
|
2970 * 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
|
2971 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2972 int |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2973 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
|
2974 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
|
2975 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2976 int method; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2977 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
|
2978 + 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
|
2979 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2980 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
|
2981 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
|
2982 method = crypt_method_from_magic((char *)buffer, |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2983 CRYPT_MAGIC_LEN + |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2984 CRYPT_SEED_LEN_MAX + |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2985 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
|
2986 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
|
2987 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
|
2988 |
| 2267 | 2989 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
|
2990 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
|
2991 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
|
2992 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
2993 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2994 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
|
2995 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
|
2996 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2997 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
|
2998 return FAIL; |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
2999 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
|
3000 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
|
3001 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3002 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
|
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 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3005 /* |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3006 * 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
|
3007 * Returns a pointer to an allocated header of length "*lenp". |
| 2267 | 3008 * When out of memory returns NULL. |
| 3009 * 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
|
3010 */ |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3011 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
|
3012 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
|
3013 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
|
3014 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
|
3015 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3016 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
|
3017 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
|
3018 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
|
3019 char_u *salt; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3020 char_u *seed; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3021 |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3022 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
|
3023 + 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
|
3024 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
|
3025 { |
| 2267 | 3026 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
|
3027 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
|
3028 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
|
3029 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
|
3030 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
|
3031 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
|
3032 else |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3033 { |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3034 /* Using blowfish, add salt and seed. */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3035 salt = header + CRYPT_MAGIC_LEN; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3036 seed = salt + salt_len; |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3037 sha2_seed(salt, salt_len, seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3038 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
|
3039 bf_ofb_init(seed, seed_len); |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3040 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3041 } |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3042 *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
|
3043 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
|
3044 } |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
3045 |
|
2265
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3046 #endif /* FEAT_CRYPT */ |
|
b7cb69ab616d
Added salt to blowfish encryption.
Bram Moolenaar <bram@vim.org>
parents:
2261
diff
changeset
|
3047 |
| 7 | 3048 #ifdef UNIX |
| 3049 static void | |
| 3050 set_file_time(fname, atime, mtime) | |
| 3051 char_u *fname; | |
| 3052 time_t atime; /* access time */ | |
| 3053 time_t mtime; /* modification time */ | |
| 3054 { | |
| 3055 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 3056 struct utimbuf buf; | |
| 3057 | |
| 3058 buf.actime = atime; | |
| 3059 buf.modtime = mtime; | |
| 3060 (void)utime((char *)fname, &buf); | |
| 3061 # else | |
| 3062 # if defined(HAVE_UTIMES) | |
| 3063 struct timeval tvp[2]; | |
| 3064 | |
| 3065 tvp[0].tv_sec = atime; | |
| 3066 tvp[0].tv_usec = 0; | |
| 3067 tvp[1].tv_sec = mtime; | |
| 3068 tvp[1].tv_usec = 0; | |
| 3069 # ifdef NeXT | |
| 3070 (void)utimes((char *)fname, tvp); | |
| 3071 # else | |
| 3072 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 3073 # endif | |
| 3074 # endif | |
| 3075 # endif | |
| 3076 } | |
| 3077 #endif /* UNIX */ | |
| 3078 | |
| 22 | 3079 #if defined(VMS) && !defined(MIN) |
| 3080 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 3081 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 3082 #endif | |
| 3083 | |
| 7 | 3084 /* |
| 1303 | 3085 * Return TRUE if a file appears to be read-only from the file permissions. |
| 3086 */ | |
| 3087 int | |
| 3088 check_file_readonly(fname, perm) | |
| 3089 char_u *fname; /* full path to file */ | |
| 3090 int perm; /* known permissions on file */ | |
| 3091 { | |
| 3092 #ifndef USE_MCH_ACCESS | |
| 3093 int fd = 0; | |
| 3094 #endif | |
| 3095 | |
| 3096 return ( | |
| 3097 #ifdef USE_MCH_ACCESS | |
| 3098 # ifdef UNIX | |
| 3099 (perm & 0222) == 0 || | |
| 3100 # endif | |
| 3101 mch_access((char *)fname, W_OK) | |
| 3102 #else | |
| 3103 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 3104 ? TRUE : (close(fd), FALSE) | |
| 3105 #endif | |
| 3106 ); | |
| 3107 } | |
| 3108 | |
| 3109 | |
| 3110 /* | |
| 589 | 3111 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 3112 * |
| 3113 * We do our own buffering here because fwrite() is so slow. | |
| 3114 * | |
| 589 | 3115 * If "forceit" is true, we don't care for errors when attempting backups. |
| 3116 * In case of an error everything possible is done to restore the original | |
| 1698 | 3117 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 3118 * |
| 3119 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 3120 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 3121 * |
| 3122 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 3123 * | |
| 3124 * return FAIL for failure, OK otherwise | |
| 3125 */ | |
| 3126 int | |
| 3127 buf_write(buf, fname, sfname, start, end, eap, append, forceit, | |
| 3128 reset_changed, filtering) | |
| 3129 buf_T *buf; | |
| 3130 char_u *fname; | |
| 3131 char_u *sfname; | |
| 3132 linenr_T start, end; | |
| 3133 exarg_T *eap; /* for forced 'ff' and 'fenc', can be | |
| 3134 NULL! */ | |
| 589 | 3135 int append; /* append to the file */ |
| 7 | 3136 int forceit; |
| 3137 int reset_changed; | |
| 3138 int filtering; | |
| 3139 { | |
| 3140 int fd; | |
| 3141 char_u *backup = NULL; | |
| 3142 int backup_copy = FALSE; /* copy the original file? */ | |
| 3143 int dobackup; | |
| 3144 char_u *ffname; | |
| 3145 char_u *wfname = NULL; /* name of file to write to */ | |
| 3146 char_u *s; | |
| 3147 char_u *ptr; | |
| 3148 char_u c; | |
| 3149 int len; | |
| 3150 linenr_T lnum; | |
| 3151 long nchars; | |
| 3152 char_u *errmsg = NULL; | |
| 1947 | 3153 int errmsg_allocated = FALSE; |
| 7 | 3154 char_u *errnum = NULL; |
| 3155 char_u *buffer; | |
| 3156 char_u smallbuf[SMBUFSIZE]; | |
| 3157 char_u *backup_ext; | |
| 3158 int bufsize; | |
| 3159 long perm; /* file permissions */ | |
| 3160 int retval = OK; | |
| 3161 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 3162 int msg_save = msg_scroll; | |
| 3163 int overwriting; /* TRUE if writing over original */ | |
| 3164 int no_eol = FALSE; /* no end-of-line written */ | |
| 3165 int device = FALSE; /* writing to a device */ | |
| 3166 struct stat st_old; | |
| 3167 int prev_got_int = got_int; | |
| 3168 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 3169 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 3170 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 3171 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 3172 #endif | |
| 3173 /* writing everything */ | |
| 3174 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 3175 #ifdef FEAT_AUTOCMD | |
| 3176 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 3177 #endif | |
| 3178 int attr; | |
| 3179 int fileformat; | |
| 3180 int write_bin; | |
| 3181 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 3182 #ifdef FEAT_MBYTE | |
| 3183 int converted = FALSE; | |
| 3184 int notconverted = FALSE; | |
| 3185 char_u *fenc; /* effective 'fileencoding' */ | |
| 3186 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 3187 #endif | |
| 3188 #ifdef HAS_BW_FLAGS | |
| 3189 int wb_flags = 0; | |
| 3190 #endif | |
| 3191 #ifdef HAVE_ACL | |
| 3192 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 3193 backup or new file */ | |
| 3194 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3195 #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
|
3196 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
|
3197 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
|
3198 #endif |
| 2717 | 3199 #ifdef FEAT_CRYPT |
| 3200 int crypt_method_used; | |
| 3201 #endif | |
| 7 | 3202 |
| 3203 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 3204 return FAIL; | |
| 2028 | 3205 if (buf->b_ml.ml_mfp == NULL) |
| 3206 { | |
| 3207 /* This can happen during startup when there is a stray "w" in the | |
| 3208 * vimrc file. */ | |
| 3209 EMSG(_(e_emptybuf)); | |
| 3210 return FAIL; | |
| 3211 } | |
| 7 | 3212 |
| 3213 /* | |
| 3214 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3215 * security reasons. | |
| 3216 */ | |
| 3217 if (check_secure()) | |
| 3218 return FAIL; | |
| 3219 | |
| 3220 /* Avoid a crash for a long name. */ | |
| 3221 if (STRLEN(fname) >= MAXPATHL) | |
| 3222 { | |
| 3223 EMSG(_(e_longname)); | |
| 3224 return FAIL; | |
| 3225 } | |
| 3226 | |
| 3227 #ifdef FEAT_MBYTE | |
| 3228 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3229 write_info.bw_conv_buf = NULL; | |
| 3230 write_info.bw_conv_error = FALSE; | |
| 1947 | 3231 write_info.bw_conv_error_lnum = 0; |
| 7 | 3232 write_info.bw_restlen = 0; |
| 3233 # ifdef USE_ICONV | |
| 3234 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3235 # endif | |
| 3236 #endif | |
| 3237 | |
| 167 | 3238 /* After writing a file changedtick changes but we don't want to display |
| 3239 * the line. */ | |
| 3240 ex_no_reprint = TRUE; | |
| 3241 | |
| 7 | 3242 /* |
| 3243 * If there is no file name yet, use the one for the written file. | |
| 3244 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3245 * Don't do this when the write is for a filter command. | |
| 589 | 3246 * Don't do this when appending. |
| 3247 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3248 */ |
| 633 | 3249 if (buf->b_ffname == NULL |
| 3250 && reset_changed | |
| 7 | 3251 && whole |
| 3252 && buf == curbuf | |
| 236 | 3253 #ifdef FEAT_QUICKFIX |
| 3254 && !bt_nofile(buf) | |
| 3255 #endif | |
| 7 | 3256 && !filtering |
| 589 | 3257 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3258 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3259 { | |
| 633 | 3260 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3261 return FAIL; |
| 633 | 3262 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3263 } |
| 3264 | |
| 3265 if (sfname == NULL) | |
| 3266 sfname = fname; | |
| 3267 /* | |
| 3268 * For Unix: Use the short file name whenever possible. | |
| 3269 * Avoids problems with networks and when directory names are changed. | |
| 3270 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3271 * another directory, which we don't detect | |
| 3272 */ | |
| 3273 ffname = fname; /* remember full fname */ | |
| 3274 #ifdef UNIX | |
| 3275 fname = sfname; | |
| 3276 #endif | |
| 3277 | |
| 3278 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3279 overwriting = TRUE; | |
| 3280 else | |
| 3281 overwriting = FALSE; | |
| 3282 | |
| 3283 if (exiting) | |
| 3284 settmode(TMODE_COOK); /* when exiting allow typahead now */ | |
| 3285 | |
| 3286 ++no_wait_return; /* don't wait for return yet */ | |
| 3287 | |
| 3288 /* | |
| 3289 * Set '[ and '] marks to the lines to be written. | |
| 3290 */ | |
| 3291 buf->b_op_start.lnum = start; | |
| 3292 buf->b_op_start.col = 0; | |
| 3293 buf->b_op_end.lnum = end; | |
| 3294 buf->b_op_end.col = 0; | |
| 3295 | |
| 3296 #ifdef FEAT_AUTOCMD | |
| 3297 { | |
| 3298 aco_save_T aco; | |
| 3299 int buf_ffname = FALSE; | |
| 3300 int buf_sfname = FALSE; | |
| 3301 int buf_fname_f = FALSE; | |
| 3302 int buf_fname_s = FALSE; | |
| 3303 int did_cmd = FALSE; | |
| 17 | 3304 int nofile_err = FALSE; |
| 161 | 3305 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3306 |
| 3307 /* | |
| 3308 * Apply PRE aucocommands. | |
| 3309 * Set curbuf to the buffer to be written. | |
| 3310 * Careful: The autocommands may call buf_write() recursively! | |
| 3311 */ | |
| 3312 if (ffname == buf->b_ffname) | |
| 3313 buf_ffname = TRUE; | |
| 3314 if (sfname == buf->b_sfname) | |
| 3315 buf_sfname = TRUE; | |
| 3316 if (fname == buf->b_ffname) | |
| 3317 buf_fname_f = TRUE; | |
| 3318 if (fname == buf->b_sfname) | |
| 3319 buf_fname_s = TRUE; | |
| 3320 | |
| 3321 /* set curwin/curbuf to buf and save a few things */ | |
| 3322 aucmd_prepbuf(&aco, buf); | |
| 3323 | |
| 3324 if (append) | |
| 3325 { | |
| 3326 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3327 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3328 { |
| 635 | 3329 #ifdef FEAT_QUICKFIX |
| 18 | 3330 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3331 nofile_err = TRUE; |
| 3332 else | |
| 635 | 3333 #endif |
| 17 | 3334 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3335 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3336 } |
| 7 | 3337 } |
| 3338 else if (filtering) | |
| 3339 { | |
| 3340 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3341 NULL, sfname, FALSE, curbuf, eap); | |
| 3342 } | |
| 3343 else if (reset_changed && whole) | |
| 3344 { | |
| 3345 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3346 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3347 { |
| 635 | 3348 #ifdef FEAT_QUICKFIX |
| 179 | 3349 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3350 nofile_err = TRUE; |
| 3351 else | |
| 635 | 3352 #endif |
| 17 | 3353 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3354 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3355 } |
| 7 | 3356 } |
| 3357 else | |
| 3358 { | |
| 3359 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3360 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3361 { |
| 635 | 3362 #ifdef FEAT_QUICKFIX |
| 179 | 3363 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3364 nofile_err = TRUE; |
| 3365 else | |
| 635 | 3366 #endif |
| 17 | 3367 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3368 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3369 } |
| 7 | 3370 } |
| 3371 | |
| 3372 /* restore curwin/curbuf and a few other things */ | |
| 3373 aucmd_restbuf(&aco); | |
| 3374 | |
| 3375 /* | |
| 3376 * In three situations we return here and don't write the file: | |
| 3377 * 1. the autocommands deleted or unloaded the buffer. | |
| 3378 * 2. The autocommands abort script processing. | |
| 3379 * 3. If one of the "Cmd" autocommands was executed. | |
| 3380 */ | |
| 3381 if (!buf_valid(buf)) | |
| 3382 buf = NULL; | |
| 161 | 3383 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3384 || did_cmd || nofile_err |
| 3385 #ifdef FEAT_EVAL | |
| 3386 || aborting() | |
| 3387 #endif | |
| 3388 ) | |
| 7 | 3389 { |
| 3390 --no_wait_return; | |
| 3391 msg_scroll = msg_save; | |
| 17 | 3392 if (nofile_err) |
| 3393 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3394 | |
| 532 | 3395 if (nofile_err |
| 3396 #ifdef FEAT_EVAL | |
| 3397 || aborting() | |
| 3398 #endif | |
| 3399 ) | |
| 7 | 3400 /* An aborting error, interrupt or exception in the |
| 3401 * autocommands. */ | |
| 3402 return FAIL; | |
| 3403 if (did_cmd) | |
| 3404 { | |
| 3405 if (buf == NULL) | |
| 3406 /* The buffer was deleted. We assume it was written | |
| 3407 * (can't retry anyway). */ | |
| 3408 return OK; | |
| 3409 if (overwriting) | |
| 3410 { | |
| 3411 /* Assume the buffer was written, update the timestamp. */ | |
| 3412 ml_timestamp(buf); | |
| 589 | 3413 if (append) |
| 3414 buf->b_flags &= ~BF_NEW; | |
| 3415 else | |
| 3416 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3417 } |
| 589 | 3418 if (reset_changed && buf->b_changed && !append |
| 39 | 3419 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3420 /* Buffer still changed, the autocommands didn't work |
| 3421 * properly. */ | |
| 3422 return FAIL; | |
| 3423 return OK; | |
| 3424 } | |
| 3425 #ifdef FEAT_EVAL | |
| 3426 if (!aborting()) | |
| 3427 #endif | |
| 3428 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3429 return FAIL; | |
| 3430 } | |
| 3431 | |
| 3432 /* | |
| 3433 * The autocommands may have changed the number of lines in the file. | |
| 3434 * When writing the whole file, adjust the end. | |
| 3435 * When writing part of the file, assume that the autocommands only | |
| 3436 * changed the number of lines that are to be written (tricky!). | |
| 3437 */ | |
| 3438 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3439 { | |
| 3440 if (whole) /* write all */ | |
| 3441 end = buf->b_ml.ml_line_count; | |
| 3442 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3443 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3444 else /* less lines */ | |
| 3445 { | |
| 3446 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3447 if (end < start) | |
| 3448 { | |
| 3449 --no_wait_return; | |
| 3450 msg_scroll = msg_save; | |
| 3451 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3452 return FAIL; | |
| 3453 } | |
| 3454 } | |
| 3455 } | |
| 3456 | |
| 3457 /* | |
| 3458 * The autocommands may have changed the name of the buffer, which may | |
| 3459 * be kept in fname, ffname and sfname. | |
| 3460 */ | |
| 3461 if (buf_ffname) | |
| 3462 ffname = buf->b_ffname; | |
| 3463 if (buf_sfname) | |
| 3464 sfname = buf->b_sfname; | |
| 3465 if (buf_fname_f) | |
| 3466 fname = buf->b_ffname; | |
| 3467 if (buf_fname_s) | |
| 3468 fname = buf->b_sfname; | |
| 3469 } | |
| 3470 #endif | |
| 3471 | |
| 3472 #ifdef FEAT_NETBEANS_INTG | |
| 2210 | 3473 if (netbeans_active() && isNetbeansBuffer(buf)) |
| 7 | 3474 { |
| 3475 if (whole) | |
| 3476 { | |
| 3477 /* | |
| 3478 * b_changed can be 0 after an undo, but we still need to write | |
| 3479 * the buffer to NetBeans. | |
| 3480 */ | |
| 3481 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3482 { | |
| 33 | 3483 --no_wait_return; /* may wait for return now */ |
| 3484 msg_scroll = msg_save; | |
| 3485 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3486 return retval; |
| 3487 } | |
| 3488 else | |
| 3489 { | |
| 3490 errnum = (char_u *)"E656: "; | |
| 1653 | 3491 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3492 buffer = NULL; |
| 3493 goto fail; | |
| 3494 } | |
| 3495 } | |
| 3496 else | |
| 3497 { | |
| 3498 errnum = (char_u *)"E657: "; | |
| 3499 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3500 buffer = NULL; | |
| 3501 goto fail; | |
| 3502 } | |
| 3503 } | |
| 3504 #endif | |
| 3505 | |
| 3506 if (shortmess(SHM_OVER) && !exiting) | |
| 3507 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3508 else | |
| 3509 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3510 if (!filtering) | |
| 3511 filemess(buf, | |
| 3512 #ifndef UNIX | |
| 3513 sfname, | |
| 3514 #else | |
| 3515 fname, | |
| 3516 #endif | |
| 3517 (char_u *)"", 0); /* show that we are busy */ | |
| 3518 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3519 | |
| 3520 buffer = alloc(BUFSIZE); | |
| 3521 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3522 * one (to be able to write when out of | |
| 3523 * memory) */ | |
| 3524 { | |
| 3525 buffer = smallbuf; | |
| 3526 bufsize = SMBUFSIZE; | |
| 3527 } | |
| 3528 else | |
| 3529 bufsize = BUFSIZE; | |
| 3530 | |
| 3531 /* | |
| 3532 * Get information about original file (if there is one). | |
| 3533 */ | |
| 3534 #if defined(UNIX) && !defined(ARCHIE) | |
| 1438 | 3535 st_old.st_dev = 0; |
| 3536 st_old.st_ino = 0; | |
| 7 | 3537 perm = -1; |
| 3538 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3539 newfile = TRUE; | |
| 3540 else | |
| 3541 { | |
| 3542 perm = st_old.st_mode; | |
| 3543 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3544 { | |
| 3545 if (S_ISDIR(st_old.st_mode)) | |
| 3546 { | |
| 3547 errnum = (char_u *)"E502: "; | |
| 3548 errmsg = (char_u *)_("is a directory"); | |
| 3549 goto fail; | |
| 3550 } | |
| 3551 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3552 { | |
| 3553 errnum = (char_u *)"E503: "; | |
| 3554 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3555 goto fail; | |
| 3556 } | |
| 3557 /* It's a device of some kind (or a fifo) which we can write to | |
| 3558 * but for which we can't make a backup. */ | |
| 3559 device = TRUE; | |
| 3560 newfile = TRUE; | |
| 3561 perm = -1; | |
| 3562 } | |
| 3563 } | |
| 3564 #else /* !UNIX */ | |
| 3565 /* | |
| 3566 * Check for a writable device name. | |
| 3567 */ | |
| 3568 c = mch_nodetype(fname); | |
| 3569 if (c == NODE_OTHER) | |
| 3570 { | |
| 3571 errnum = (char_u *)"E503: "; | |
| 3572 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3573 goto fail; | |
| 3574 } | |
| 3575 if (c == NODE_WRITABLE) | |
| 3576 { | |
| 1004 | 3577 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) |
| 3578 /* MS-Windows allows opening a device, but we will probably get stuck | |
| 3579 * trying to write to it. */ | |
| 3580 if (!p_odev) | |
| 3581 { | |
| 3582 errnum = (char_u *)"E796: "; | |
| 3583 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3584 goto fail; | |
| 3585 } | |
| 3586 # endif | |
| 7 | 3587 device = TRUE; |
| 3588 newfile = TRUE; | |
| 3589 perm = -1; | |
| 3590 } | |
| 3591 else | |
| 3592 { | |
| 3593 perm = mch_getperm(fname); | |
| 3594 if (perm < 0) | |
| 3595 newfile = TRUE; | |
| 3596 else if (mch_isdir(fname)) | |
| 3597 { | |
| 3598 errnum = (char_u *)"E502: "; | |
| 3599 errmsg = (char_u *)_("is a directory"); | |
| 3600 goto fail; | |
| 3601 } | |
| 3602 if (overwriting) | |
| 3603 (void)mch_stat((char *)fname, &st_old); | |
| 3604 } | |
| 3605 #endif /* !UNIX */ | |
| 3606 | |
| 3607 if (!device && !newfile) | |
| 3608 { | |
| 3609 /* | |
| 3610 * Check if the file is really writable (when renaming the file to | |
| 3611 * make a backup we won't discover it later). | |
| 3612 */ | |
| 1303 | 3613 file_readonly = check_file_readonly(fname, (int)perm); |
| 3614 | |
| 7 | 3615 if (!forceit && file_readonly) |
| 3616 { | |
| 3617 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3618 { | |
| 3619 errnum = (char_u *)"E504: "; | |
| 3620 errmsg = (char_u *)_(err_readonly); | |
| 3621 } | |
| 3622 else | |
| 3623 { | |
| 3624 errnum = (char_u *)"E505: "; | |
| 3625 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3626 } | |
| 3627 goto fail; | |
| 3628 } | |
| 3629 | |
| 3630 /* | |
| 3631 * Check if the timestamp hasn't changed since reading the file. | |
| 3632 */ | |
| 3633 if (overwriting) | |
| 3634 { | |
| 3635 retval = check_mtime(buf, &st_old); | |
| 3636 if (retval == FAIL) | |
| 3637 goto fail; | |
| 3638 } | |
| 3639 } | |
| 3640 | |
| 3641 #ifdef HAVE_ACL | |
| 3642 /* | |
| 3643 * For systems that support ACL: get the ACL from the original file. | |
| 3644 */ | |
| 3645 if (!newfile) | |
| 3646 acl = mch_get_acl(fname); | |
| 3647 #endif | |
| 3648 | |
| 3649 /* | |
| 3650 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3651 */ | |
| 3652 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3653 #ifdef FEAT_WILDIGN | |
| 3654 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3655 dobackup = FALSE; | |
| 3656 #endif | |
| 3657 | |
| 3658 /* | |
| 3659 * Save the value of got_int and reset it. We don't want a previous | |
| 3660 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3661 * abort it. | |
| 3662 */ | |
| 3663 prev_got_int = got_int; | |
| 3664 got_int = FALSE; | |
| 3665 | |
| 3666 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3667 buf->b_saving = TRUE; | |
| 3668 | |
| 3669 /* | |
| 3670 * If we are not appending or filtering, the file exists, and the | |
| 3671 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3672 * When 'patchmode' is set also make a backup when appending. | |
| 3673 * | |
| 3674 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3675 * off. This helps when editing large files on almost-full disks. | |
| 3676 */ | |
| 3677 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3678 { | |
| 3679 #if defined(UNIX) || defined(WIN32) | |
| 3680 struct stat st; | |
| 3681 #endif | |
| 3682 | |
| 3683 if ((bkc_flags & BKC_YES) || append) /* "yes" */ | |
| 3684 backup_copy = TRUE; | |
| 3685 #if defined(UNIX) || defined(WIN32) | |
| 3686 else if ((bkc_flags & BKC_AUTO)) /* "auto" */ | |
| 3687 { | |
| 3688 int i; | |
| 3689 | |
| 3690 # ifdef UNIX | |
| 3691 /* | |
| 3692 * Don't rename the file when: | |
| 3693 * - it's a hard link | |
| 3694 * - it's a symbolic link | |
| 3695 * - we don't have write permission in the directory | |
| 3696 * - we can't set the owner/group of the new file | |
| 3697 */ | |
| 3698 if (st_old.st_nlink > 1 | |
| 3699 || mch_lstat((char *)fname, &st) < 0 | |
| 3700 || st.st_dev != st_old.st_dev | |
| 557 | 3701 || st.st_ino != st_old.st_ino |
| 3702 # ifndef HAVE_FCHOWN | |
| 3703 || st.st_uid != st_old.st_uid | |
| 3704 || st.st_gid != st_old.st_gid | |
| 3705 # endif | |
| 3706 ) | |
| 7 | 3707 backup_copy = TRUE; |
| 3708 else | |
| 696 | 3709 # else |
| 3710 # ifdef WIN32 | |
| 3711 /* On NTFS file systems hard links are possible. */ | |
| 3712 if (mch_is_linked(fname)) | |
| 3713 backup_copy = TRUE; | |
| 3714 else | |
| 3715 # endif | |
| 7 | 3716 # endif |
| 3717 { | |
| 3718 /* | |
| 3719 * Check if we can create a file and set the owner/group to | |
| 3720 * the ones from the original file. | |
| 3721 * First find a file name that doesn't exist yet (use some | |
| 3722 * arbitrary numbers). | |
| 3723 */ | |
| 3724 STRCPY(IObuff, fname); | |
| 3725 for (i = 4913; ; i += 123) | |
| 3726 { | |
| 3727 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3728 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3729 break; |
| 3730 } | |
| 557 | 3731 fd = mch_open((char *)IObuff, |
| 3732 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3733 if (fd < 0) /* can't write in directory */ |
| 3734 backup_copy = TRUE; | |
| 3735 else | |
| 3736 { | |
| 3737 # ifdef UNIX | |
| 557 | 3738 # ifdef HAVE_FCHOWN |
| 1757 | 3739 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3740 # endif |
| 7 | 3741 if (mch_stat((char *)IObuff, &st) < 0 |
| 3742 || st.st_uid != st_old.st_uid | |
| 3743 || st.st_gid != st_old.st_gid | |
| 1877 | 3744 || (long)st.st_mode != perm) |
| 7 | 3745 backup_copy = TRUE; |
| 3746 # endif | |
| 567 | 3747 /* Close the file before removing it, on MS-Windows we |
| 3748 * can't delete an open file. */ | |
| 3749 close(fd); | |
| 7 | 3750 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
|
3751 # 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
|
3752 /* 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
|
3753 * 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
|
3754 * second. */ |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3755 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3756 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
|
3757 |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3758 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
|
3759 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3760 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
|
3761 break; |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3762 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
|
3763 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
|
3764 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3765 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3766 # endif |
| 7 | 3767 } |
| 3768 } | |
| 3769 } | |
| 3770 | |
| 3771 # ifdef UNIX | |
| 3772 /* | |
| 3773 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3774 */ | |
| 3775 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK)) | |
| 3776 { | |
| 3777 int lstat_res; | |
| 3778 | |
| 3779 lstat_res = mch_lstat((char *)fname, &st); | |
| 3780 | |
| 3781 /* Symlinks. */ | |
| 3782 if ((bkc_flags & BKC_BREAKSYMLINK) | |
| 3783 && lstat_res == 0 | |
| 3784 && st.st_ino != st_old.st_ino) | |
| 3785 backup_copy = FALSE; | |
| 3786 | |
| 3787 /* Hardlinks. */ | |
| 3788 if ((bkc_flags & BKC_BREAKHARDLINK) | |
| 3789 && st_old.st_nlink > 1 | |
| 3790 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3791 backup_copy = FALSE; | |
| 3792 } | |
| 3793 #endif | |
| 3794 | |
| 3795 #endif | |
| 3796 | |
| 3797 /* make sure we have a valid backup extension to use */ | |
| 3798 if (*p_bex == NUL) | |
| 3799 backup_ext = (char_u *)".bak"; | |
| 3800 else | |
| 3801 backup_ext = p_bex; | |
| 3802 | |
| 3803 if (backup_copy | |
| 3804 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3805 { | |
| 3806 int bfd; | |
| 3807 char_u *copybuf, *wp; | |
| 3808 int some_error = FALSE; | |
| 3809 struct stat st_new; | |
| 3810 char_u *dirp; | |
| 3811 char_u *rootname; | |
| 344 | 3812 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3813 int did_set_shortname; |
| 3814 #endif | |
| 3815 | |
| 3816 copybuf = alloc(BUFSIZE + 1); | |
| 3817 if (copybuf == NULL) | |
| 3818 { | |
| 3819 some_error = TRUE; /* out of memory */ | |
| 3820 goto nobackup; | |
| 3821 } | |
| 3822 | |
| 3823 /* | |
| 3824 * Try to make the backup in each directory in the 'bdir' option. | |
| 3825 * | |
| 3826 * Unix semantics has it, that we may have a writable file, | |
| 3827 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3828 * - the directory is not writable, | |
| 3829 * - the file may be a symbolic link, | |
| 3830 * - the file may belong to another user/group, etc. | |
| 3831 * | |
| 3832 * For these reasons, the existing writable file must be truncated | |
| 3833 * and reused. Creation of a backup COPY will be attempted. | |
| 3834 */ | |
| 3835 dirp = p_bdir; | |
| 3836 while (*dirp) | |
| 3837 { | |
| 3838 #ifdef UNIX | |
| 3839 st_new.st_ino = 0; | |
| 3840 st_new.st_dev = 0; | |
| 3841 st_new.st_gid = 0; | |
| 3842 #endif | |
| 3843 | |
| 3844 /* | |
| 3845 * Isolate one directory name, using an entry in 'bdir'. | |
| 3846 */ | |
| 3847 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3848 rootname = get_file_in_dir(fname, copybuf); | |
| 3849 if (rootname == NULL) | |
| 3850 { | |
| 3851 some_error = TRUE; /* out of memory */ | |
| 3852 goto nobackup; | |
| 3853 } | |
| 3854 | |
| 344 | 3855 #if defined(UNIX) && !defined(SHORT_FNAME) |
| 7 | 3856 did_set_shortname = FALSE; |
| 3857 #endif | |
| 3858 | |
| 3859 /* | |
| 3860 * May try twice if 'shortname' not set. | |
| 3861 */ | |
| 3862 for (;;) | |
| 3863 { | |
| 3864 /* | |
| 3865 * Make backup file name. | |
| 3866 */ | |
| 3867 backup = buf_modname( | |
| 3868 #ifdef SHORT_FNAME | |
| 3869 TRUE, | |
| 3870 #else | |
| 3871 (buf->b_p_sn || buf->b_shortname), | |
| 3872 #endif | |
| 3873 rootname, backup_ext, FALSE); | |
| 3874 if (backup == NULL) | |
| 3875 { | |
| 3876 vim_free(rootname); | |
| 3877 some_error = TRUE; /* out of memory */ | |
| 3878 goto nobackup; | |
| 3879 } | |
| 3880 | |
| 3881 /* | |
| 3882 * Check if backup file already exists. | |
| 3883 */ | |
| 3884 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3885 { | |
| 3886 #ifdef UNIX | |
| 3887 /* | |
| 3888 * Check if backup file is same as original file. | |
| 3889 * May happen when modname() gave the same file back. | |
| 3890 * E.g. silly link, or file name-length reached. | |
| 3891 * If we don't check here, we either ruin the file | |
| 3892 * when copying or erase it after writing. jw. | |
| 3893 */ | |
| 3894 if (st_new.st_dev == st_old.st_dev | |
| 3895 && st_new.st_ino == st_old.st_ino) | |
| 3896 { | |
| 3897 vim_free(backup); | |
| 3898 backup = NULL; /* no backup file to delete */ | |
| 3899 # ifndef SHORT_FNAME | |
| 3900 /* | |
| 3901 * may try again with 'shortname' set | |
| 3902 */ | |
| 3903 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3904 { | |
| 3905 buf->b_shortname = TRUE; | |
| 3906 did_set_shortname = TRUE; | |
| 3907 continue; | |
| 3908 } | |
| 3909 /* setting shortname didn't help */ | |
| 3910 if (did_set_shortname) | |
| 3911 buf->b_shortname = FALSE; | |
| 3912 # endif | |
| 3913 break; | |
| 3914 } | |
| 3915 #endif | |
| 3916 | |
| 3917 /* | |
| 3918 * If we are not going to keep the backup file, don't | |
| 3919 * delete an existing one, try to use another name. | |
| 3920 * Change one character, just before the extension. | |
| 3921 */ | |
| 3922 if (!p_bk) | |
| 3923 { | |
| 3924 wp = backup + STRLEN(backup) - 1 | |
| 3925 - STRLEN(backup_ext); | |
| 3926 if (wp < backup) /* empty file name ??? */ | |
| 3927 wp = backup; | |
| 3928 *wp = 'z'; | |
| 3929 while (*wp > 'a' | |
| 3930 && mch_stat((char *)backup, &st_new) >= 0) | |
| 3931 --*wp; | |
| 3932 /* They all exist??? Must be something wrong. */ | |
| 3933 if (*wp == 'a') | |
| 3934 { | |
| 3935 vim_free(backup); | |
| 3936 backup = NULL; | |
| 3937 } | |
| 3938 } | |
| 3939 } | |
| 3940 break; | |
| 3941 } | |
| 3942 vim_free(rootname); | |
| 3943 | |
| 3944 /* | |
| 3945 * Try to create the backup file | |
| 3946 */ | |
| 3947 if (backup != NULL) | |
| 3948 { | |
| 3949 /* remove old backup, if present */ | |
| 3950 mch_remove(backup); | |
| 3951 /* Open with O_EXCL to avoid the file being created while | |
| 3952 * we were sleeping (symlink hacker attack?) */ | |
| 3953 bfd = mch_open((char *)backup, | |
| 557 | 3954 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
| 3955 perm & 0777); | |
| 7 | 3956 if (bfd < 0) |
| 3957 { | |
| 3958 vim_free(backup); | |
| 3959 backup = NULL; | |
| 3960 } | |
| 3961 else | |
| 3962 { | |
| 3963 /* set file protection same as original file, but | |
| 3964 * strip s-bit */ | |
| 3965 (void)mch_setperm(backup, perm & 0777); | |
| 3966 | |
| 3967 #ifdef UNIX | |
| 3968 /* | |
| 3969 * Try to set the group of the backup same as the | |
| 3970 * original file. If this fails, set the protection | |
| 3971 * bits for the group same as the protection bits for | |
| 3972 * others. | |
| 3973 */ | |
| 557 | 3974 if (st_new.st_gid != st_old.st_gid |
| 7 | 3975 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
| 557 | 3976 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
| 7 | 3977 # endif |
| 3978 ) | |
| 3979 mch_setperm(backup, | |
| 3980 (perm & 0707) | ((perm & 07) << 3)); | |
| 1583 | 3981 # ifdef HAVE_SELINUX |
| 3982 mch_copy_sec(fname, backup); | |
| 3983 # endif | |
| 7 | 3984 #endif |
| 3985 | |
| 3986 /* | |
| 3987 * copy the file. | |
| 3988 */ | |
| 3989 write_info.bw_fd = bfd; | |
| 3990 write_info.bw_buf = copybuf; | |
| 3991 #ifdef HAS_BW_FLAGS | |
| 3992 write_info.bw_flags = FIO_NOCONVERT; | |
| 3993 #endif | |
| 2664 | 3994 while ((write_info.bw_len = read_eintr(fd, copybuf, |
| 7 | 3995 BUFSIZE)) > 0) |
| 3996 { | |
| 3997 if (buf_write_bytes(&write_info) == FAIL) | |
| 3998 { | |
| 3999 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
| 4000 break; | |
| 4001 } | |
| 4002 ui_breakcheck(); | |
| 4003 if (got_int) | |
| 4004 { | |
| 4005 errmsg = (char_u *)_(e_interr); | |
| 4006 break; | |
| 4007 } | |
| 4008 } | |
| 4009 | |
| 4010 if (close(bfd) < 0 && errmsg == NULL) | |
| 4011 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
| 4012 if (write_info.bw_len < 0) | |
| 4013 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
| 4014 #ifdef UNIX | |
| 4015 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
| 4016 #endif | |
| 4017 #ifdef HAVE_ACL | |
| 4018 mch_set_acl(backup, acl); | |
| 4019 #endif | |
| 1583 | 4020 #ifdef HAVE_SELINUX |
| 4021 mch_copy_sec(fname, backup); | |
| 4022 #endif | |
| 7 | 4023 break; |
| 4024 } | |
| 4025 } | |
| 4026 } | |
| 4027 nobackup: | |
| 4028 close(fd); /* ignore errors for closing read file */ | |
| 4029 vim_free(copybuf); | |
| 4030 | |
| 4031 if (backup == NULL && errmsg == NULL) | |
| 4032 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
| 4033 /* ignore errors when forceit is TRUE */ | |
| 4034 if ((some_error || errmsg != NULL) && !forceit) | |
| 4035 { | |
| 4036 retval = FAIL; | |
| 4037 goto fail; | |
| 4038 } | |
| 4039 errmsg = NULL; | |
| 4040 } | |
| 4041 else | |
| 4042 { | |
| 4043 char_u *dirp; | |
| 4044 char_u *p; | |
| 4045 char_u *rootname; | |
| 4046 | |
| 4047 /* | |
| 4048 * Make a backup by renaming the original file. | |
| 4049 */ | |
| 4050 /* | |
| 4051 * If 'cpoptions' includes the "W" flag, we don't want to | |
| 4052 * overwrite a read-only file. But rename may be possible | |
| 4053 * anyway, thus we need an extra check here. | |
| 4054 */ | |
| 4055 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 4056 { | |
| 4057 errnum = (char_u *)"E504: "; | |
| 4058 errmsg = (char_u *)_(err_readonly); | |
| 4059 goto fail; | |
| 4060 } | |
| 4061 | |
| 4062 /* | |
| 4063 * | |
| 4064 * Form the backup file name - change path/fo.o.h to | |
| 4065 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
| 4066 * that works is used. | |
| 4067 */ | |
| 4068 dirp = p_bdir; | |
| 4069 while (*dirp) | |
| 4070 { | |
| 4071 /* | |
| 4072 * Isolate one directory name and make the backup file name. | |
| 4073 */ | |
| 4074 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
| 4075 rootname = get_file_in_dir(fname, IObuff); | |
| 4076 if (rootname == NULL) | |
| 4077 backup = NULL; | |
| 4078 else | |
| 4079 { | |
| 4080 backup = buf_modname( | |
| 4081 #ifdef SHORT_FNAME | |
| 4082 TRUE, | |
| 4083 #else | |
| 4084 (buf->b_p_sn || buf->b_shortname), | |
| 4085 #endif | |
| 4086 rootname, backup_ext, FALSE); | |
| 4087 vim_free(rootname); | |
| 4088 } | |
| 4089 | |
| 4090 if (backup != NULL) | |
| 4091 { | |
| 4092 /* | |
| 4093 * If we are not going to keep the backup file, don't | |
| 4094 * delete an existing one, try to use another name. | |
| 4095 * Change one character, just before the extension. | |
| 4096 */ | |
| 4097 if (!p_bk && mch_getperm(backup) >= 0) | |
| 4098 { | |
| 4099 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 4100 if (p < backup) /* empty file name ??? */ | |
| 4101 p = backup; | |
| 4102 *p = 'z'; | |
| 4103 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 4104 --*p; | |
| 4105 /* They all exist??? Must be something wrong! */ | |
| 4106 if (*p == 'a') | |
| 4107 { | |
| 4108 vim_free(backup); | |
| 4109 backup = NULL; | |
| 4110 } | |
| 4111 } | |
| 4112 } | |
| 4113 if (backup != NULL) | |
| 4114 { | |
| 4115 /* | |
| 531 | 4116 * Delete any existing backup and move the current version |
| 4117 * to the backup. For safety, we don't remove the backup | |
| 4118 * until the write has finished successfully. And if the | |
| 4119 * 'backup' option is set, leave it around. | |
| 7 | 4120 */ |
| 4121 /* | |
| 4122 * If the renaming of the original file to the backup file | |
| 4123 * works, quit here. | |
| 4124 */ | |
| 4125 if (vim_rename(fname, backup) == 0) | |
| 4126 break; | |
| 4127 | |
| 4128 vim_free(backup); /* don't do the rename below */ | |
| 4129 backup = NULL; | |
| 4130 } | |
| 4131 } | |
| 4132 if (backup == NULL && !forceit) | |
| 4133 { | |
| 4134 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 4135 goto fail; | |
| 4136 } | |
| 4137 } | |
| 4138 } | |
| 4139 | |
| 4140 #if defined(UNIX) && !defined(ARCHIE) | |
| 4141 /* When using ":w!" and the file was read-only: make it writable */ | |
| 4142 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 4143 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 4144 { | |
| 4145 perm |= 0200; | |
| 4146 (void)mch_setperm(fname, perm); | |
| 4147 made_writable = TRUE; | |
| 4148 } | |
| 4149 #endif | |
| 4150 | |
| 819 | 4151 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 4152 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 4153 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 4154 { |
| 4155 buf->b_p_ro = FALSE; | |
| 4156 #ifdef FEAT_TITLE | |
| 4157 need_maketitle = TRUE; /* set window title later */ | |
| 4158 #endif | |
| 4159 #ifdef FEAT_WINDOWS | |
| 4160 status_redraw_all(); /* redraw status lines later */ | |
| 4161 #endif | |
| 4162 } | |
| 4163 | |
| 4164 if (end > buf->b_ml.ml_line_count) | |
| 4165 end = buf->b_ml.ml_line_count; | |
| 4166 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 4167 start = end + 1; | |
| 4168 | |
| 4169 /* | |
| 4170 * If the original file is being overwritten, there is a small chance that | |
| 4171 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 4172 * This makes all block numbers positive so that recovery does not need | |
| 4173 * the original file. | |
| 4174 * Don't do this if there is a backup file and we are exiting. | |
| 4175 */ | |
| 39 | 4176 if (reset_changed && !newfile && overwriting |
| 7 | 4177 && !(exiting && backup != NULL)) |
| 4178 { | |
| 4179 ml_preserve(buf, FALSE); | |
| 4180 if (got_int) | |
| 4181 { | |
| 4182 errmsg = (char_u *)_(e_interr); | |
| 4183 goto restore_backup; | |
| 4184 } | |
| 4185 } | |
| 4186 | |
| 4187 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4188 /* | |
| 4189 * Before risking to lose the original file verify if there's | |
| 4190 * a resource fork to preserve, and if cannot be done warn | |
| 4191 * the users. This happens when overwriting without backups. | |
| 4192 */ | |
| 4193 if (backup == NULL && overwriting && !append) | |
| 4194 if (mch_has_resource_fork(fname)) | |
| 4195 { | |
| 4196 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 4197 goto restore_backup; | |
| 4198 } | |
| 4199 #endif | |
| 4200 | |
| 4201 #ifdef VMS | |
| 4202 vms_remove_version(fname); /* remove version */ | |
| 4203 #endif | |
| 1651 | 4204 /* Default: write the file directly. May write to a temp file for |
| 7 | 4205 * multi-byte conversion. */ |
| 4206 wfname = fname; | |
| 4207 | |
| 4208 #ifdef FEAT_MBYTE | |
| 4209 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 4210 if (eap != NULL && eap->force_enc != 0) | |
| 4211 { | |
| 4212 fenc = eap->cmd + eap->force_enc; | |
| 4213 fenc = enc_canonize(fenc); | |
| 4214 fenc_tofree = fenc; | |
| 4215 } | |
| 4216 else | |
| 4217 fenc = buf->b_p_fenc; | |
| 4218 | |
| 4219 /* | |
| 1948 | 4220 * Check if the file needs to be converted. |
| 7 | 4221 */ |
| 1948 | 4222 converted = need_conversion(fenc); |
| 7 | 4223 |
| 4224 /* | |
| 4225 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4226 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4227 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4228 */ | |
| 4229 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4230 { | |
| 4231 wb_flags = get_fio_flags(fenc); | |
| 4232 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4233 { | |
| 4234 /* Need to allocate a buffer to translate into. */ | |
| 4235 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4236 write_info.bw_conv_buflen = bufsize * 2; | |
| 4237 else /* FIO_UCS4 */ | |
| 4238 write_info.bw_conv_buflen = bufsize * 4; | |
| 4239 write_info.bw_conv_buf | |
| 4240 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4241 if (write_info.bw_conv_buf == NULL) | |
| 4242 end = 0; | |
| 4243 } | |
| 4244 } | |
| 4245 | |
| 4246 # ifdef WIN3264 | |
| 4247 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4248 { | |
| 4249 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4250 write_info.bw_conv_buflen = bufsize * 4; | |
| 4251 write_info.bw_conv_buf | |
| 4252 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4253 if (write_info.bw_conv_buf == NULL) | |
| 4254 end = 0; | |
| 4255 } | |
| 4256 # endif | |
| 4257 | |
| 4258 # ifdef MACOS_X | |
| 4259 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4260 { | |
| 4261 write_info.bw_conv_buflen = bufsize * 3; | |
| 4262 write_info.bw_conv_buf | |
| 4263 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4264 if (write_info.bw_conv_buf == NULL) | |
| 4265 end = 0; | |
| 4266 } | |
| 4267 # endif | |
| 4268 | |
| 4269 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4270 if (converted && wb_flags == 0) | |
| 4271 { | |
| 4272 # ifdef USE_ICONV | |
| 4273 /* | |
| 4274 * Use iconv() conversion when conversion is needed and it's not done | |
| 4275 * internally. | |
| 4276 */ | |
| 4277 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4278 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4279 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4280 { | |
| 4281 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4282 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4283 write_info.bw_conv_buf | |
| 4284 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4285 if (write_info.bw_conv_buf == NULL) | |
| 4286 end = 0; | |
| 4287 write_info.bw_first = TRUE; | |
| 4288 } | |
| 4289 # ifdef FEAT_EVAL | |
| 4290 else | |
| 4291 # endif | |
| 4292 # endif | |
| 4293 | |
| 4294 # ifdef FEAT_EVAL | |
| 4295 /* | |
| 4296 * When the file needs to be converted with 'charconvert' after | |
| 4297 * writing, write to a temp file instead and let the conversion | |
| 4298 * overwrite the original file. | |
| 4299 */ | |
| 4300 if (*p_ccv != NUL) | |
| 4301 { | |
| 4302 wfname = vim_tempname('w'); | |
| 4303 if (wfname == NULL) /* Can't write without a tempfile! */ | |
| 4304 { | |
| 4305 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4306 goto restore_backup; | |
| 4307 } | |
| 4308 } | |
| 4309 # endif | |
| 4310 } | |
| 4311 # endif | |
| 4312 if (converted && wb_flags == 0 | |
| 4313 # ifdef USE_ICONV | |
| 4314 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4315 # endif | |
| 4316 # ifdef FEAT_EVAL | |
| 4317 && wfname == fname | |
| 4318 # endif | |
| 4319 ) | |
| 4320 { | |
| 4321 if (!forceit) | |
| 4322 { | |
| 4323 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4324 goto restore_backup; | |
| 4325 } | |
| 4326 notconverted = TRUE; | |
| 4327 } | |
| 4328 #endif | |
| 4329 | |
| 4330 /* | |
| 4331 * Open the file "wfname" for writing. | |
| 4332 * We may try to open the file twice: If we can't write to the | |
| 4333 * file and forceit is TRUE we delete the existing file and try to create | |
| 4334 * a new one. If this still fails we may have lost the original file! | |
| 4335 * (this may happen when the user reached his quotum for number of files). | |
| 4336 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4337 */ | |
| 4338 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4339 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4340 : (O_CREAT | O_TRUNC)) | |
| 216 | 4341 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4342 { |
| 4343 /* | |
| 4344 * A forced write will try to create a new file if the old one is | |
| 4345 * still readonly. This may also happen when the directory is | |
| 4346 * read-only. In that case the mch_remove() will fail. | |
| 4347 */ | |
| 4348 if (errmsg == NULL) | |
| 4349 { | |
| 4350 #ifdef UNIX | |
| 4351 struct stat st; | |
| 4352 | |
| 4353 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4354 if ((!newfile && st_old.st_nlink > 1) | |
| 4355 || (mch_lstat((char *)fname, &st) == 0 | |
| 4356 && (st.st_dev != st_old.st_dev | |
| 4357 || st.st_ino != st_old.st_ino))) | |
| 4358 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4359 else | |
| 4360 #endif | |
| 4361 { | |
| 4362 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4363 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4364 && perm >= 0) | |
| 4365 { | |
| 4366 #ifdef UNIX | |
| 4367 /* we write to the file, thus it should be marked | |
| 4368 writable after all */ | |
| 4369 if (!(perm & 0200)) | |
| 4370 made_writable = TRUE; | |
| 4371 perm |= 0200; | |
| 4372 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4373 perm &= 0777; | |
| 4374 #endif | |
| 4375 if (!append) /* don't remove when appending */ | |
| 4376 mch_remove(wfname); | |
| 4377 continue; | |
| 4378 } | |
| 4379 } | |
| 4380 } | |
| 4381 | |
| 4382 restore_backup: | |
| 4383 { | |
| 4384 struct stat st; | |
| 4385 | |
| 4386 /* | |
| 4387 * If we failed to open the file, we don't need a backup. Throw it | |
| 4388 * away. If we moved or removed the original file try to put the | |
| 4389 * backup in its place. | |
| 4390 */ | |
| 4391 if (backup != NULL && wfname == fname) | |
| 4392 { | |
| 4393 if (backup_copy) | |
| 4394 { | |
| 4395 /* | |
| 4396 * There is a small chance that we removed the original, | |
| 4397 * try to move the copy in its place. | |
| 4398 * This may not work if the vim_rename() fails. | |
| 4399 * In that case we leave the copy around. | |
| 4400 */ | |
| 4401 /* If file does not exist, put the copy in its place */ | |
| 4402 if (mch_stat((char *)fname, &st) < 0) | |
| 4403 vim_rename(backup, fname); | |
| 4404 /* if original file does exist throw away the copy */ | |
| 4405 if (mch_stat((char *)fname, &st) >= 0) | |
| 4406 mch_remove(backup); | |
| 4407 } | |
| 4408 else | |
| 4409 { | |
| 4410 /* try to put the original file back */ | |
| 4411 vim_rename(backup, fname); | |
| 4412 } | |
| 4413 } | |
| 4414 | |
| 4415 /* if original file no longer exists give an extra warning */ | |
| 4416 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4417 end = 0; | |
| 4418 } | |
| 4419 | |
| 4420 #ifdef FEAT_MBYTE | |
| 4421 if (wfname != fname) | |
| 4422 vim_free(wfname); | |
| 4423 #endif | |
| 4424 goto fail; | |
| 4425 } | |
| 4426 errmsg = NULL; | |
| 4427 | |
| 4428 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4429 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4430 /* | |
| 4431 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4432 * This is done in order to preserve the resource fork and the |
| 4433 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4434 */ |
| 4435 if (backup != NULL && overwriting && !append) | |
| 4436 { | |
| 4437 if (backup_copy) | |
| 4438 (void)mch_copy_file_attribute(wfname, backup); | |
| 4439 else | |
| 4440 (void)mch_copy_file_attribute(backup, wfname); | |
| 4441 } | |
| 4442 | |
| 4443 if (!overwriting && !append) | |
| 4444 { | |
| 4445 if (buf->b_ffname != NULL) | |
| 4446 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4447 /* Should copy resource fork */ |
| 7 | 4448 } |
| 4449 #endif | |
| 4450 | |
| 4451 write_info.bw_fd = fd; | |
| 4452 | |
| 4453 #ifdef FEAT_CRYPT | |
| 2267 | 4454 if (*buf->b_p_key != NUL && !filtering) |
| 7 | 4455 { |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4456 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
|
4457 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
|
4458 |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4459 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
|
4460 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
|
4461 end = 0; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4462 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4463 { |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4464 /* 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
|
4465 * 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
|
4466 * 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
|
4467 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
|
4468 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
|
4469 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
|
4470 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
|
4471 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
|
4472 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
|
4473 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
|
4474 } |
| 7 | 4475 } |
| 4476 #endif | |
| 4477 | |
| 4478 write_info.bw_buf = buffer; | |
| 4479 nchars = 0; | |
| 4480 | |
| 4481 /* use "++bin", "++nobin" or 'binary' */ | |
| 4482 if (eap != NULL && eap->force_bin != 0) | |
| 4483 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4484 else | |
| 4485 write_bin = buf->b_p_bin; | |
| 4486 | |
| 4487 #ifdef FEAT_MBYTE | |
| 4488 /* | |
| 4489 * The BOM is written just after the encryption magic number. | |
| 24 | 4490 * Skip it when appending and the file already existed, the BOM only makes |
| 4491 * sense at the start of the file. | |
| 7 | 4492 */ |
| 24 | 4493 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4494 { |
| 4495 write_info.bw_len = make_bom(buffer, fenc); | |
| 4496 if (write_info.bw_len > 0) | |
| 4497 { | |
| 4498 /* don't convert, do encryption */ | |
| 4499 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4500 if (buf_write_bytes(&write_info) == FAIL) | |
| 4501 end = 0; | |
| 4502 else | |
| 4503 nchars += write_info.bw_len; | |
| 4504 } | |
| 4505 } | |
| 1947 | 4506 write_info.bw_start_lnum = start; |
| 7 | 4507 #endif |
| 4508 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4509 #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
|
4510 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
|
4511 && !filtering && reset_changed); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4512 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
|
4513 /* 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
|
4514 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
|
4515 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4516 |
| 7 | 4517 write_info.bw_len = bufsize; |
| 4518 #ifdef HAS_BW_FLAGS | |
| 4519 write_info.bw_flags = wb_flags; | |
| 4520 #endif | |
| 4521 fileformat = get_fileformat_force(buf, eap); | |
| 4522 s = buffer; | |
| 4523 len = 0; | |
| 4524 for (lnum = start; lnum <= end; ++lnum) | |
| 4525 { | |
| 4526 /* | |
| 4527 * The next while loop is done once for each character written. | |
| 4528 * Keep it fast! | |
| 4529 */ | |
| 4530 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
|
4531 #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
|
4532 if (write_undo_file) |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4533 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
|
4534 #endif |
| 7 | 4535 while ((c = *++ptr) != NUL) |
| 4536 { | |
| 4537 if (c == NL) | |
| 4538 *s = NUL; /* replace newlines with NULs */ | |
| 4539 else if (c == CAR && fileformat == EOL_MAC) | |
| 4540 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4541 else | |
| 4542 *s = c; | |
| 4543 ++s; | |
| 4544 if (++len != bufsize) | |
| 4545 continue; | |
| 4546 if (buf_write_bytes(&write_info) == FAIL) | |
| 4547 { | |
| 4548 end = 0; /* write error: break loop */ | |
| 4549 break; | |
| 4550 } | |
| 4551 nchars += bufsize; | |
| 4552 s = buffer; | |
| 4553 len = 0; | |
| 1947 | 4554 #ifdef FEAT_MBYTE |
| 4555 write_info.bw_start_lnum = lnum; | |
| 4556 #endif | |
| 7 | 4557 } |
| 4558 /* write failed or last line has no EOL: stop here */ | |
| 4559 if (end == 0 | |
| 4560 || (lnum == end | |
| 4561 && write_bin | |
| 2707 | 4562 && (lnum == buf->b_no_eol_lnum |
| 7 | 4563 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) |
| 4564 { | |
| 4565 ++lnum; /* written the line, count it */ | |
| 4566 no_eol = TRUE; | |
| 4567 break; | |
| 4568 } | |
| 4569 if (fileformat == EOL_UNIX) | |
| 4570 *s++ = NL; | |
| 4571 else | |
| 4572 { | |
| 4573 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4574 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4575 { | |
| 4576 if (++len == bufsize) | |
| 4577 { | |
| 4578 if (buf_write_bytes(&write_info) == FAIL) | |
| 4579 { | |
| 4580 end = 0; /* write error: break loop */ | |
| 4581 break; | |
| 4582 } | |
| 4583 nchars += bufsize; | |
| 4584 s = buffer; | |
| 4585 len = 0; | |
| 4586 } | |
| 4587 *s++ = NL; | |
| 4588 } | |
| 4589 } | |
| 4590 if (++len == bufsize && end) | |
| 4591 { | |
| 4592 if (buf_write_bytes(&write_info) == FAIL) | |
| 4593 { | |
| 4594 end = 0; /* write error: break loop */ | |
| 4595 break; | |
| 4596 } | |
| 4597 nchars += bufsize; | |
| 4598 s = buffer; | |
| 4599 len = 0; | |
| 4600 | |
| 4601 ui_breakcheck(); | |
| 4602 if (got_int) | |
| 4603 { | |
| 4604 end = 0; /* Interrupted, break loop */ | |
| 4605 break; | |
| 4606 } | |
| 4607 } | |
| 4608 #ifdef VMS | |
| 4609 /* | |
| 4610 * On VMS there is a problem: newlines get added when writing blocks | |
| 4611 * at a time. Fix it by writing a line at a time. | |
| 4612 * This is much slower! | |
| 22 | 4613 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4614 * structures end with a newline (carriage return) character, and if | |
| 4615 * they don't it adds one. | |
| 4616 * With other RMS structures it works perfect without this fix. | |
| 7 | 4617 */ |
| 1431 | 4618 if (buf->b_fab_rfm == FAB$C_VFC |
| 4619 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4620 { |
| 4621 int b2write; | |
| 4622 | |
| 4623 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4624 ? MIN(4096, bufsize) | |
| 4625 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4626 | |
| 4627 b2write = len; | |
| 4628 while (b2write > 0) | |
| 7 | 4629 { |
| 22 | 4630 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4631 if (buf_write_bytes(&write_info) == FAIL) | |
| 4632 { | |
| 4633 end = 0; | |
| 4634 break; | |
| 4635 } | |
| 4636 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4637 } |
| 4638 write_info.bw_len = bufsize; | |
| 4639 nchars += len; | |
| 4640 s = buffer; | |
| 4641 len = 0; | |
| 4642 } | |
| 4643 #endif | |
| 4644 } | |
| 4645 if (len > 0 && end > 0) | |
| 4646 { | |
| 4647 write_info.bw_len = len; | |
| 4648 if (buf_write_bytes(&write_info) == FAIL) | |
| 4649 end = 0; /* write error */ | |
| 4650 nchars += len; | |
| 4651 } | |
| 4652 | |
| 4653 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4654 /* On many journalling file systems there is a bug that causes both the | |
| 4655 * original and the backup file to be lost when halting the system right | |
| 4656 * after writing the file. That's because only the meta-data is | |
| 4657 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4658 * been written to disk and we don't lose it. |
| 4659 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4660 * (could be a pipe). |
| 4661 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4662 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4663 { |
| 4664 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4665 end = 0; | |
| 4666 } | |
| 4667 #endif | |
| 4668 | |
| 1583 | 4669 #ifdef HAVE_SELINUX |
| 4670 /* Probably need to set the security context. */ | |
| 4671 if (!backup_copy) | |
| 4672 mch_copy_sec(backup, wfname); | |
| 4673 #endif | |
| 4674 | |
| 557 | 4675 #ifdef UNIX |
| 4676 /* When creating a new file, set its owner/group to that of the original | |
| 4677 * file. Get the new device and inode number. */ | |
| 4678 if (backup != NULL && !backup_copy) | |
| 4679 { | |
| 4680 # ifdef HAVE_FCHOWN | |
| 4681 struct stat st; | |
| 4682 | |
| 4683 /* don't change the owner when it's already OK, some systems remove | |
| 4684 * permission or ACL stuff */ | |
| 4685 if (mch_stat((char *)wfname, &st) < 0 | |
| 4686 || st.st_uid != st_old.st_uid | |
| 4687 || st.st_gid != st_old.st_gid) | |
| 4688 { | |
| 1757 | 4689 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4690 if (perm >= 0) /* set permission again, may have changed */ |
| 4691 (void)mch_setperm(wfname, perm); | |
| 4692 } | |
| 4693 # endif | |
| 4694 buf_setino(buf); | |
| 4695 } | |
| 1873 | 4696 else if (!buf->b_dev_valid) |
| 617 | 4697 /* Set the inode when creating a new file. */ |
| 4698 buf_setino(buf); | |
| 557 | 4699 #endif |
| 4700 | |
| 7 | 4701 if (close(fd) != 0) |
| 4702 { | |
| 4703 errmsg = (char_u *)_("E512: Close failed"); | |
| 4704 end = 0; | |
| 4705 } | |
| 4706 | |
| 4707 #ifdef UNIX | |
| 4708 if (made_writable) | |
| 4709 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4710 #endif | |
| 4711 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4712 (void)mch_setperm(wfname, perm); | |
| 4713 #ifdef HAVE_ACL | |
| 4714 /* Probably need to set the ACL before changing the user (can't set the | |
| 4715 * ACL on a file the user doesn't own). */ | |
| 4716 if (!backup_copy) | |
| 4717 mch_set_acl(wfname, acl); | |
| 4718 #endif | |
| 2267 | 4719 #ifdef FEAT_CRYPT |
| 2717 | 4720 crypt_method_used = use_crypt_method; |
| 2267 | 4721 if (wb_flags & FIO_ENCRYPTED) |
| 4722 crypt_pop_state(); | |
| 4723 #endif | |
| 7 | 4724 |
| 4725 | |
| 4726 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4727 if (wfname != fname) | |
| 4728 { | |
| 4729 /* | |
| 4730 * The file was written to a temp file, now it needs to be converted | |
| 4731 * with 'charconvert' to (overwrite) the output file. | |
| 4732 */ | |
| 4733 if (end != 0) | |
| 4734 { | |
| 4735 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4736 wfname, fname) == FAIL) | |
| 4737 { | |
| 4738 write_info.bw_conv_error = TRUE; | |
| 4739 end = 0; | |
| 4740 } | |
| 4741 } | |
| 4742 mch_remove(wfname); | |
| 4743 vim_free(wfname); | |
| 4744 } | |
| 4745 #endif | |
| 4746 | |
| 4747 if (end == 0) | |
| 4748 { | |
| 4749 if (errmsg == NULL) | |
| 4750 { | |
| 4751 #ifdef FEAT_MBYTE | |
| 4752 if (write_info.bw_conv_error) | |
| 1947 | 4753 { |
| 4754 if (write_info.bw_conv_error_lnum == 0) | |
| 4755 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4756 else | |
| 4757 { | |
| 4758 errmsg_allocated = TRUE; | |
| 4759 errmsg = alloc(300); | |
| 4760 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4761 (long)write_info.bw_conv_error_lnum); | |
| 4762 } | |
| 4763 } | |
| 7 | 4764 else |
| 4765 #endif | |
| 4766 if (got_int) | |
| 4767 errmsg = (char_u *)_(e_interr); | |
| 4768 else | |
| 4769 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4770 } | |
| 4771 | |
| 4772 /* | |
| 4773 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4774 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4775 * original file when trying to make a backup when writing the file a |
| 4776 * second time. | |
| 4777 * When "backup_copy" is set we need to copy the backup over the new | |
| 4778 * file. Otherwise rename the backup file. | |
| 4779 * If this is OK, don't give the extra warning message. | |
| 4780 */ | |
| 4781 if (backup != NULL) | |
| 4782 { | |
| 4783 if (backup_copy) | |
| 4784 { | |
| 4785 /* This may take a while, if we were interrupted let the user | |
| 4786 * know we got the message. */ | |
| 4787 if (got_int) | |
| 4788 { | |
| 4789 MSG(_(e_interr)); | |
| 4790 out_flush(); | |
| 4791 } | |
| 4792 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4793 { | |
| 4794 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4795 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4796 perm & 0777)) >= 0) | |
| 7 | 4797 { |
| 4798 /* copy the file. */ | |
| 4799 write_info.bw_buf = smallbuf; | |
| 4800 #ifdef HAS_BW_FLAGS | |
| 4801 write_info.bw_flags = FIO_NOCONVERT; | |
| 4802 #endif | |
| 2664 | 4803 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
| 7 | 4804 SMBUFSIZE)) > 0) |
| 4805 if (buf_write_bytes(&write_info) == FAIL) | |
| 4806 break; | |
| 4807 | |
| 4808 if (close(write_info.bw_fd) >= 0 | |
| 4809 && write_info.bw_len == 0) | |
| 4810 end = 1; /* success */ | |
| 4811 } | |
| 4812 close(fd); /* ignore errors for closing read file */ | |
| 4813 } | |
| 4814 } | |
| 4815 else | |
| 4816 { | |
| 4817 if (vim_rename(backup, fname) == 0) | |
| 4818 end = 1; | |
| 4819 } | |
| 4820 } | |
| 4821 goto fail; | |
| 4822 } | |
| 4823 | |
| 4824 lnum -= start; /* compute number of written lines */ | |
| 4825 --no_wait_return; /* may wait for return now */ | |
| 4826 | |
| 4827 #if !(defined(UNIX) || defined(VMS)) | |
| 4828 fname = sfname; /* use shortname now, for the messages */ | |
| 4829 #endif | |
| 4830 if (!filtering) | |
| 4831 { | |
| 4832 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4833 c = FALSE; | |
| 4834 #ifdef FEAT_MBYTE | |
| 4835 if (write_info.bw_conv_error) | |
| 4836 { | |
| 4837 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4838 c = TRUE; | |
| 1947 | 4839 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
|
4840 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
| 1947 | 4841 (long)write_info.bw_conv_error_lnum); |
| 7 | 4842 } |
| 4843 else if (notconverted) | |
| 4844 { | |
| 4845 STRCAT(IObuff, _("[NOT converted]")); | |
| 4846 c = TRUE; | |
| 4847 } | |
| 4848 else if (converted) | |
| 4849 { | |
| 4850 STRCAT(IObuff, _("[converted]")); | |
| 4851 c = TRUE; | |
| 4852 } | |
| 4853 #endif | |
| 4854 if (device) | |
| 4855 { | |
| 4856 STRCAT(IObuff, _("[Device]")); | |
| 4857 c = TRUE; | |
| 4858 } | |
| 4859 else if (newfile) | |
| 4860 { | |
| 4861 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4862 c = TRUE; | |
| 4863 } | |
| 4864 if (no_eol) | |
| 4865 { | |
| 4866 msg_add_eol(); | |
| 4867 c = TRUE; | |
| 4868 } | |
| 4869 /* may add [unix/dos/mac] */ | |
| 4870 if (msg_add_fileformat(fileformat)) | |
| 4871 c = TRUE; | |
| 4872 #ifdef FEAT_CRYPT | |
| 4873 if (wb_flags & FIO_ENCRYPTED) | |
| 4874 { | |
| 2717 | 4875 if (crypt_method_used == 1) |
| 4876 STRCAT(IObuff, _("[blowfish]")); | |
| 4877 else | |
| 4878 STRCAT(IObuff, _("[crypted]")); | |
| 7 | 4879 c = TRUE; |
| 4880 } | |
| 4881 #endif | |
| 4882 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4883 if (!shortmess(SHM_WRITE)) | |
| 4884 { | |
| 4885 if (append) | |
| 4886 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4887 else | |
| 4888 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4889 } | |
| 4890 | |
| 679 | 4891 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4892 } |
| 4893 | |
| 39 | 4894 /* When written everything correctly: reset 'modified'. Unless not |
| 4895 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4896 if (reset_changed && whole && !append |
| 7 | 4897 #ifdef FEAT_MBYTE |
| 4898 && !write_info.bw_conv_error | |
| 4899 #endif | |
| 39 | 4900 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4901 ) | |
| 7 | 4902 { |
| 4903 unchanged(buf, TRUE); | |
| 4904 u_unchanged(buf); | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4905 u_update_save_nr(buf); |
| 7 | 4906 } |
| 4907 | |
| 4908 /* | |
| 4909 * If written to the current file, update the timestamp of the swap file | |
| 4910 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
| 4911 */ | |
| 4912 if (overwriting) | |
| 4913 { | |
| 4914 ml_timestamp(buf); | |
| 589 | 4915 if (append) |
| 4916 buf->b_flags &= ~BF_NEW; | |
| 4917 else | |
| 4918 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 4919 } |
| 4920 | |
| 4921 /* | |
| 4922 * If we kept a backup until now, and we are in patch mode, then we make | |
| 4923 * the backup file our 'original' file. | |
| 4924 */ | |
| 4925 if (*p_pm && dobackup) | |
| 4926 { | |
| 4927 char *org = (char *)buf_modname( | |
| 4928 #ifdef SHORT_FNAME | |
| 4929 TRUE, | |
| 4930 #else | |
| 4931 (buf->b_p_sn || buf->b_shortname), | |
| 4932 #endif | |
| 4933 fname, p_pm, FALSE); | |
| 4934 | |
| 4935 if (backup != NULL) | |
| 4936 { | |
| 4937 struct stat st; | |
| 4938 | |
| 4939 /* | |
| 4940 * If the original file does not exist yet | |
| 4941 * the current backup file becomes the original file | |
| 4942 */ | |
| 4943 if (org == NULL) | |
| 4944 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4945 else if (mch_stat(org, &st) < 0) | |
| 4946 { | |
| 4947 vim_rename(backup, (char_u *)org); | |
| 4948 vim_free(backup); /* don't delete the file */ | |
| 4949 backup = NULL; | |
| 4950 #ifdef UNIX | |
| 4951 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4952 #endif | |
| 4953 } | |
| 4954 } | |
| 4955 /* | |
| 4956 * If there is no backup file, remember that a (new) file was | |
| 4957 * created. | |
| 4958 */ | |
| 4959 else | |
| 4960 { | |
| 4961 int empty_fd; | |
| 4962 | |
| 4963 if (org == NULL | |
| 557 | 4964 || (empty_fd = mch_open(org, |
| 4965 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4966 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4967 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4968 else | |
| 4969 close(empty_fd); | |
| 4970 } | |
| 4971 if (org != NULL) | |
| 4972 { | |
| 4973 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4974 vim_free(org); | |
| 4975 } | |
| 4976 } | |
| 4977 | |
| 4978 /* | |
| 4979 * Remove the backup unless 'backup' option is set | |
| 4980 */ | |
| 4981 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 4982 EMSG(_("E207: Can't delete backup file")); | |
| 4983 | |
| 4984 #ifdef FEAT_SUN_WORKSHOP | |
| 4985 if (usingSunWorkShop) | |
| 4986 workshop_file_saved((char *) ffname); | |
| 4987 #endif | |
| 4988 | |
| 4989 goto nofail; | |
| 4990 | |
| 4991 /* | |
| 4992 * Finish up. We get here either after failure or success. | |
| 4993 */ | |
| 4994 fail: | |
| 4995 --no_wait_return; /* may wait for return now */ | |
| 4996 nofail: | |
| 4997 | |
| 4998 /* Done saving, we accept changed buffer warnings again */ | |
| 4999 buf->b_saving = FALSE; | |
| 5000 | |
| 5001 vim_free(backup); | |
| 5002 if (buffer != smallbuf) | |
| 5003 vim_free(buffer); | |
| 5004 #ifdef FEAT_MBYTE | |
| 5005 vim_free(fenc_tofree); | |
| 5006 vim_free(write_info.bw_conv_buf); | |
| 5007 # ifdef USE_ICONV | |
| 5008 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 5009 { | |
| 5010 iconv_close(write_info.bw_iconv_fd); | |
| 5011 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 5012 } | |
| 5013 # endif | |
| 5014 #endif | |
| 5015 #ifdef HAVE_ACL | |
| 5016 mch_free_acl(acl); | |
| 5017 #endif | |
| 5018 | |
| 5019 if (errmsg != NULL) | |
| 5020 { | |
| 835 | 5021 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 5022 |
| 5023 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 5024 msg_add_fname(buf, | |
| 5025 #ifndef UNIX | |
| 5026 sfname | |
| 5027 #else | |
| 5028 fname | |
| 5029 #endif | |
| 5030 ); /* put file name in IObuff with quotes */ | |
| 5031 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 5032 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 5033 /* If the error message has the form "is ...", put the error number in | |
| 5034 * front of the file name. */ | |
| 5035 if (errnum != NULL) | |
| 5036 { | |
| 1620 | 5037 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 5038 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 5039 } | |
| 5040 STRCAT(IObuff, errmsg); | |
| 5041 emsg(IObuff); | |
| 1947 | 5042 if (errmsg_allocated) |
| 5043 vim_free(errmsg); | |
| 7 | 5044 |
| 5045 retval = FAIL; | |
| 5046 if (end == 0) | |
| 5047 { | |
| 5048 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 5049 attr | MSG_HIST); | |
| 5050 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 5051 attr | MSG_HIST); | |
| 5052 | |
| 5053 /* Update the timestamp to avoid an "overwrite changed file" | |
| 5054 * prompt when writing again. */ | |
| 5055 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 5056 { | |
| 5057 buf_store_time(buf, &st_old, fname); | |
| 5058 buf->b_mtime_read = buf->b_mtime; | |
| 5059 } | |
| 5060 } | |
| 5061 } | |
| 5062 msg_scroll = msg_save; | |
| 5063 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5064 #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
|
5065 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5066 * 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
|
5067 * file. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5068 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5069 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
|
5070 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5071 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
|
5072 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5073 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
|
5074 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
|
5075 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5076 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5077 |
| 7 | 5078 #ifdef FEAT_AUTOCMD |
| 5079 #ifdef FEAT_EVAL | |
| 5080 if (!should_abort(retval)) | |
| 5081 #else | |
| 5082 if (!got_int) | |
| 5083 #endif | |
| 5084 { | |
| 5085 aco_save_T aco; | |
| 5086 | |
| 5087 /* | |
| 5088 * Apply POST autocommands. | |
| 5089 * Careful: The autocommands may call buf_write() recursively! | |
| 5090 */ | |
| 5091 aucmd_prepbuf(&aco, buf); | |
| 5092 | |
| 5093 if (append) | |
| 5094 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 5095 FALSE, curbuf, eap); | |
| 5096 else if (filtering) | |
| 5097 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 5098 FALSE, curbuf, eap); | |
| 5099 else if (reset_changed && whole) | |
| 5100 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 5101 FALSE, curbuf, eap); | |
| 5102 else | |
| 5103 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 5104 FALSE, curbuf, eap); | |
| 5105 | |
| 5106 /* restore curwin/curbuf and a few other things */ | |
| 5107 aucmd_restbuf(&aco); | |
| 5108 | |
| 5109 #ifdef FEAT_EVAL | |
| 5110 if (aborting()) /* autocmds may abort script processing */ | |
| 5111 retval = FALSE; | |
| 5112 #endif | |
| 5113 } | |
| 5114 #endif | |
| 5115 | |
| 5116 got_int |= prev_got_int; | |
| 5117 | |
| 5118 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 5119 /* Update machine specific information. */ | |
| 5120 mch_post_buffer_write(buf); | |
| 5121 #endif | |
| 5122 return retval; | |
| 5123 } | |
| 5124 | |
| 5125 /* | |
| 633 | 5126 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 5127 * name and a ":r" or ":w" command with a file name is used. | |
| 5128 */ | |
| 5129 static int | |
| 5130 set_rw_fname(fname, sfname) | |
| 5131 char_u *fname; | |
| 5132 char_u *sfname; | |
| 5133 { | |
| 5134 #ifdef FEAT_AUTOCMD | |
| 1905 | 5135 buf_T *buf = curbuf; |
| 5136 | |
| 633 | 5137 /* It's like the unnamed buffer is deleted.... */ |
| 5138 if (curbuf->b_p_bl) | |
| 5139 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 5140 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 5141 # ifdef FEAT_EVAL | |
| 5142 if (aborting()) /* autocmds may abort script processing */ | |
| 5143 return FAIL; | |
| 5144 # endif | |
| 1905 | 5145 if (curbuf != buf) |
| 5146 { | |
| 5147 /* We are in another buffer now, don't do the renaming. */ | |
| 5148 EMSG(_(e_auchangedbuf)); | |
| 5149 return FAIL; | |
| 5150 } | |
| 633 | 5151 #endif |
| 5152 | |
| 5153 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 5154 curbuf->b_flags |= BF_NOTEDITED; | |
| 5155 | |
| 5156 #ifdef FEAT_AUTOCMD | |
| 5157 /* ....and a new named one is created */ | |
| 5158 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 5159 if (curbuf->b_p_bl) | |
| 5160 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 5161 # ifdef FEAT_EVAL | |
| 5162 if (aborting()) /* autocmds may abort script processing */ | |
| 5163 return FAIL; | |
| 5164 # endif | |
| 5165 | |
| 5166 /* Do filetype detection now if 'filetype' is empty. */ | |
| 5167 if (*curbuf->b_p_ft == NUL) | |
| 5168 { | |
| 819 | 5169 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 5170 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 5171 do_modelines(0); |
| 633 | 5172 } |
| 5173 #endif | |
| 5174 | |
| 5175 return OK; | |
| 5176 } | |
| 5177 | |
| 5178 /* | |
| 7 | 5179 * Put file name into IObuff with quotes. |
| 5180 */ | |
| 33 | 5181 void |
| 7 | 5182 msg_add_fname(buf, fname) |
| 5183 buf_T *buf; | |
| 5184 char_u *fname; | |
| 5185 { | |
| 5186 if (fname == NULL) | |
| 5187 fname = (char_u *)"-stdin-"; | |
| 5188 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 5189 IObuff[0] = '"'; | |
| 5190 STRCAT(IObuff, "\" "); | |
| 5191 } | |
| 5192 | |
| 5193 /* | |
| 5194 * Append message for text mode to IObuff. | |
| 5195 * Return TRUE if something appended. | |
| 5196 */ | |
| 5197 static int | |
| 5198 msg_add_fileformat(eol_type) | |
| 5199 int eol_type; | |
| 5200 { | |
| 5201 #ifndef USE_CRNL | |
| 5202 if (eol_type == EOL_DOS) | |
| 5203 { | |
| 5204 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 5205 return TRUE; | |
| 5206 } | |
| 5207 #endif | |
| 5208 #ifndef USE_CR | |
| 5209 if (eol_type == EOL_MAC) | |
| 5210 { | |
| 5211 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 5212 return TRUE; | |
| 5213 } | |
| 5214 #endif | |
| 5215 #if defined(USE_CRNL) || defined(USE_CR) | |
| 5216 if (eol_type == EOL_UNIX) | |
| 5217 { | |
| 5218 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 5219 return TRUE; | |
| 5220 } | |
| 5221 #endif | |
| 5222 return FALSE; | |
| 5223 } | |
| 5224 | |
| 5225 /* | |
| 5226 * Append line and character count to IObuff. | |
| 5227 */ | |
| 33 | 5228 void |
| 7 | 5229 msg_add_lines(insert_space, lnum, nchars) |
| 5230 int insert_space; | |
| 5231 long lnum; | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5232 off_t nchars; |
| 7 | 5233 { |
| 5234 char_u *p; | |
| 5235 | |
| 5236 p = IObuff + STRLEN(IObuff); | |
| 5237 | |
| 5238 if (insert_space) | |
| 5239 *p++ = ' '; | |
| 5240 if (shortmess(SHM_LINES)) | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5241 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
|
5242 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5243 "%ldL, %lldC", lnum, nchars |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5244 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5245 /* 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
|
5246 "%ldL, %ldC", lnum, (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5247 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5248 ); |
| 7 | 5249 else |
| 5250 { | |
| 5251 if (lnum == 1) | |
| 5252 STRCPY(p, _("1 line, ")); | |
| 5253 else | |
| 5254 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 5255 p += STRLEN(p); | |
| 5256 if (nchars == 1) | |
| 5257 STRCPY(p, _("1 character")); | |
| 5258 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
|
5259 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
|
5260 #ifdef LONG_LONG_OFF_T |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5261 _("%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
|
5262 #else |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5263 /* 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
|
5264 _("%ld characters"), (long)nchars |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5265 #endif |
|
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5266 ); |
| 7 | 5267 } |
| 5268 } | |
| 5269 | |
| 5270 /* | |
| 5271 * Append message for missing line separator to IObuff. | |
| 5272 */ | |
| 5273 static void | |
| 5274 msg_add_eol() | |
| 5275 { | |
| 5276 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5277 } | |
| 5278 | |
| 5279 /* | |
| 5280 * Check modification time of file, before writing to it. | |
| 5281 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5282 * using the same timestamp but can't set the size. | |
| 5283 */ | |
| 5284 static int | |
| 5285 check_mtime(buf, st) | |
| 5286 buf_T *buf; | |
| 5287 struct stat *st; | |
| 5288 { | |
| 5289 if (buf->b_mtime_read != 0 | |
| 5290 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5291 { | |
| 5292 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5293 msg_silent = 0; /* must give this prompt */ | |
| 5294 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5295 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5296 hl_attr(HLF_E)); | |
| 5297 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5298 TRUE) == 'n') | |
| 5299 return FAIL; | |
| 5300 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5301 } | |
| 5302 return OK; | |
| 5303 } | |
| 5304 | |
| 5305 static int | |
| 5306 time_differs(t1, t2) | |
| 5307 long t1, t2; | |
| 5308 { | |
| 5309 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN) | |
| 5310 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store | |
| 5311 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5312 * time may change unexpectedly by one second!!! */ | |
| 5313 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5314 #else | |
| 5315 return (t1 != t2); | |
| 5316 #endif | |
| 5317 } | |
| 5318 | |
| 5319 /* | |
| 5320 * Call write() to write a number of bytes to the file. | |
| 2664 | 5321 * Handles encryption and 'encoding' conversion. |
| 7 | 5322 * |
| 5323 * Return FAIL for failure, OK otherwise. | |
| 5324 */ | |
| 5325 static int | |
| 5326 buf_write_bytes(ip) | |
| 5327 struct bw_info *ip; | |
| 5328 { | |
| 5329 int wlen; | |
| 5330 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5331 int len = ip->bw_len; /* length of data */ | |
| 5332 #ifdef HAS_BW_FLAGS | |
| 5333 int flags = ip->bw_flags; /* extra flags */ | |
| 5334 #endif | |
| 5335 | |
| 5336 #ifdef FEAT_MBYTE | |
| 5337 /* | |
| 5338 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5339 */ | |
| 5340 if (!(flags & FIO_NOCONVERT)) | |
| 5341 { | |
| 5342 char_u *p; | |
| 5343 unsigned c; | |
| 5344 int n; | |
| 5345 | |
| 5346 if (flags & FIO_UTF8) | |
| 5347 { | |
| 5348 /* | |
| 5349 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5350 */ | |
| 5351 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5352 for (wlen = 0; wlen < len; ++wlen) | |
| 5353 p += utf_char2bytes(buf[wlen], p); | |
| 5354 buf = ip->bw_conv_buf; | |
| 5355 len = (int)(p - ip->bw_conv_buf); | |
| 5356 } | |
| 5357 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5358 { | |
| 5359 /* | |
| 5360 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5361 * Latin1 chars in the file. | |
| 5362 */ | |
| 5363 if (flags & FIO_LATIN1) | |
| 5364 p = buf; /* translate in-place (can only get shorter) */ | |
| 5365 else | |
| 5366 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5367 for (wlen = 0; wlen < len; wlen += n) | |
| 5368 { | |
| 5369 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5370 { | |
| 5371 int l; | |
| 5372 | |
| 5373 /* Use remainder of previous call. Append the start of | |
| 5374 * buf[] to get a full sequence. Might still be too | |
| 5375 * short! */ | |
| 5376 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5377 if (l > len) | |
| 5378 l = len; | |
| 5379 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5380 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5381 if (n > ip->bw_restlen + len) |
| 5382 { | |
| 5383 /* We have an incomplete byte sequence at the end to | |
| 5384 * be written. We can't convert it without the | |
| 5385 * remaining bytes. Keep them for the next call. */ | |
| 5386 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5387 return FAIL; | |
| 5388 ip->bw_restlen += len; | |
| 5389 break; | |
| 5390 } | |
| 5391 if (n > 1) | |
| 5392 c = utf_ptr2char(ip->bw_rest); | |
| 5393 else | |
| 5394 c = ip->bw_rest[0]; | |
| 5395 if (n >= ip->bw_restlen) | |
| 5396 { | |
| 5397 n -= ip->bw_restlen; | |
| 5398 ip->bw_restlen = 0; | |
| 5399 } | |
| 5400 else | |
| 5401 { | |
| 5402 ip->bw_restlen -= n; | |
| 5403 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5404 (size_t)ip->bw_restlen); | |
| 5405 n = 0; | |
| 5406 } | |
| 5407 } | |
| 5408 else | |
| 5409 { | |
| 474 | 5410 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5411 if (n > len - wlen) |
| 5412 { | |
| 5413 /* We have an incomplete byte sequence at the end to | |
| 5414 * be written. We can't convert it without the | |
| 5415 * remaining bytes. Keep them for the next call. */ | |
| 5416 if (len - wlen > CONV_RESTLEN) | |
| 5417 return FAIL; | |
| 5418 ip->bw_restlen = len - wlen; | |
| 5419 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5420 (size_t)ip->bw_restlen); | |
| 5421 break; | |
| 5422 } | |
| 5423 if (n > 1) | |
| 5424 c = utf_ptr2char(buf + wlen); | |
| 5425 else | |
| 5426 c = buf[wlen]; | |
| 5427 } | |
| 5428 | |
| 1947 | 5429 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5430 { | |
| 5431 ip->bw_conv_error = TRUE; | |
| 5432 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5433 } | |
| 5434 if (c == NL) | |
| 5435 ++ip->bw_start_lnum; | |
| 7 | 5436 } |
| 5437 if (flags & FIO_LATIN1) | |
| 5438 len = (int)(p - buf); | |
| 5439 else | |
| 5440 { | |
| 5441 buf = ip->bw_conv_buf; | |
| 5442 len = (int)(p - ip->bw_conv_buf); | |
| 5443 } | |
| 5444 } | |
| 5445 | |
| 5446 # ifdef WIN3264 | |
| 5447 else if (flags & FIO_CODEPAGE) | |
| 5448 { | |
| 5449 /* | |
| 5450 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5451 * codepage. | |
| 5452 */ | |
| 5453 char_u *from; | |
| 5454 size_t fromlen; | |
| 5455 char_u *to; | |
| 5456 int u8c; | |
| 5457 BOOL bad = FALSE; | |
| 5458 int needed; | |
| 5459 | |
| 5460 if (ip->bw_restlen > 0) | |
| 5461 { | |
| 5462 /* Need to concatenate the remainder of the previous call and | |
| 5463 * the bytes of the current call. Use the end of the | |
| 5464 * conversion buffer for this. */ | |
| 5465 fromlen = len + ip->bw_restlen; | |
| 5466 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5467 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5468 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5469 } | |
| 5470 else | |
| 5471 { | |
| 5472 from = buf; | |
| 5473 fromlen = len; | |
| 5474 } | |
| 5475 | |
| 5476 to = ip->bw_conv_buf; | |
| 5477 if (enc_utf8) | |
| 5478 { | |
| 5479 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5480 * The buffer has been allocated to be big enough. */ | |
| 5481 while (fromlen > 0) | |
| 5482 { | |
| 835 | 5483 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5484 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5485 break; | |
| 5486 u8c = utf_ptr2char(from); | |
| 5487 *to++ = (u8c & 0xff); | |
| 5488 *to++ = (u8c >> 8); | |
| 5489 fromlen -= n; | |
| 5490 from += n; | |
| 5491 } | |
| 5492 | |
| 5493 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5494 * call. */ | |
| 5495 if (fromlen > CONV_RESTLEN) | |
| 5496 { | |
| 5497 /* weird overlong sequence */ | |
| 5498 ip->bw_conv_error = TRUE; | |
| 5499 return FAIL; | |
| 5500 } | |
| 5501 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5502 ip->bw_restlen = (int)fromlen; |
| 7 | 5503 } |
| 5504 else | |
| 5505 { | |
| 5506 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5507 * buffer. The buffer has been allocated to be big enough. */ | |
| 5508 ip->bw_restlen = 0; | |
| 5509 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5510 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5511 NULL, 0); |
| 5512 if (needed == 0) | |
| 5513 { | |
| 5514 /* When conversion fails there may be a trailing byte. */ | |
| 5515 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5516 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5517 NULL, 0); |
| 5518 if (needed == 0) | |
| 5519 { | |
| 5520 /* Conversion doesn't work. */ | |
| 5521 ip->bw_conv_error = TRUE; | |
| 5522 return FAIL; | |
| 5523 } | |
| 5524 /* Save the trailing byte for the next call. */ | |
| 5525 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5526 ip->bw_restlen = 1; | |
| 5527 } | |
| 5528 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5529 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5530 (LPWSTR)to, needed); |
| 5531 if (needed == 0) | |
| 5532 { | |
| 5533 /* Safety check: Conversion doesn't work. */ | |
| 5534 ip->bw_conv_error = TRUE; | |
| 5535 return FAIL; | |
| 5536 } | |
| 5537 to += needed * 2; | |
| 5538 } | |
| 5539 | |
| 5540 fromlen = to - ip->bw_conv_buf; | |
| 5541 buf = to; | |
| 5542 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5543 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5544 { | |
| 5545 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5546 * conversion buffer. Fails when out of space. */ | |
| 5547 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5548 { | |
| 5549 u8c = *from++; | |
| 5550 u8c += (*from++ << 8); | |
| 5551 to += utf_char2bytes(u8c, to); | |
| 5552 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5553 { | |
| 5554 ip->bw_conv_error = TRUE; | |
| 5555 return FAIL; | |
| 5556 } | |
| 5557 } | |
| 835 | 5558 len = (int)(to - buf); |
| 7 | 5559 } |
| 5560 else | |
| 5561 #endif | |
| 5562 { | |
| 5563 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5564 * the conversion buffer. If the conversion uses the default | |
| 5565 * character "0", the data doesn't fit in this encoding, so | |
| 5566 * fail. */ | |
| 5567 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5568 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5569 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5570 &bad); | |
| 7 | 5571 if (bad) |
| 5572 { | |
| 5573 ip->bw_conv_error = TRUE; | |
| 5574 return FAIL; | |
| 5575 } | |
| 5576 } | |
| 5577 } | |
| 5578 # endif | |
| 5579 | |
| 765 | 5580 # ifdef MACOS_CONVERT |
| 7 | 5581 else if (flags & FIO_MACROMAN) |
| 5582 { | |
| 5583 /* | |
| 5584 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5585 */ | |
| 5586 char_u *from; | |
| 5587 size_t fromlen; | |
| 5588 | |
| 5589 if (ip->bw_restlen > 0) | |
| 5590 { | |
| 5591 /* Need to concatenate the remainder of the previous call and | |
| 5592 * the bytes of the current call. Use the end of the | |
| 5593 * conversion buffer for this. */ | |
| 5594 fromlen = len + ip->bw_restlen; | |
| 5595 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5596 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5597 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5598 } | |
| 5599 else | |
| 5600 { | |
| 5601 from = buf; | |
| 5602 fromlen = len; | |
| 5603 } | |
| 5604 | |
| 18 | 5605 if (enc2macroman(from, fromlen, |
| 5606 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5607 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5608 { |
| 5609 ip->bw_conv_error = TRUE; | |
| 5610 return FAIL; | |
| 5611 } | |
| 5612 buf = ip->bw_conv_buf; | |
| 5613 } | |
| 5614 # endif | |
| 5615 | |
| 5616 # ifdef USE_ICONV | |
| 5617 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5618 { | |
| 5619 const char *from; | |
| 5620 size_t fromlen; | |
| 5621 char *to; | |
| 5622 size_t tolen; | |
| 5623 | |
| 5624 /* Convert with iconv(). */ | |
| 5625 if (ip->bw_restlen > 0) | |
| 5626 { | |
| 1836 | 5627 char *fp; |
| 5628 | |
| 7 | 5629 /* Need to concatenate the remainder of the previous call and |
| 5630 * the bytes of the current call. Use the end of the | |
| 5631 * conversion buffer for this. */ | |
| 5632 fromlen = len + ip->bw_restlen; | |
| 1836 | 5633 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5634 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5635 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5636 from = fp; | |
| 7 | 5637 tolen = ip->bw_conv_buflen - fromlen; |
| 5638 } | |
| 5639 else | |
| 5640 { | |
| 5641 from = (const char *)buf; | |
| 5642 fromlen = len; | |
| 5643 tolen = ip->bw_conv_buflen; | |
| 5644 } | |
| 5645 to = (char *)ip->bw_conv_buf; | |
| 5646 | |
| 5647 if (ip->bw_first) | |
| 5648 { | |
| 5649 size_t save_len = tolen; | |
| 5650 | |
| 5651 /* output the initial shift state sequence */ | |
| 5652 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5653 | |
| 5654 /* There is a bug in iconv() on Linux (which appears to be | |
| 5655 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5656 */ | |
| 5657 if (to == NULL) | |
| 5658 { | |
| 5659 to = (char *)ip->bw_conv_buf; | |
| 5660 tolen = save_len; | |
| 5661 } | |
| 5662 ip->bw_first = FALSE; | |
| 5663 } | |
| 5664 | |
| 5665 /* | |
| 5666 * If iconv() has an error or there is not enough room, fail. | |
| 5667 */ | |
| 5668 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5669 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5670 || fromlen > CONV_RESTLEN) | |
| 5671 { | |
| 5672 ip->bw_conv_error = TRUE; | |
| 5673 return FAIL; | |
| 5674 } | |
| 5675 | |
| 5676 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5677 if (fromlen > 0) | |
| 5678 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5679 ip->bw_restlen = (int)fromlen; | |
| 5680 | |
| 5681 buf = ip->bw_conv_buf; | |
| 5682 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5683 } | |
| 5684 # endif | |
| 5685 } | |
| 5686 #endif /* FEAT_MBYTE */ | |
| 5687 | |
| 5688 #ifdef FEAT_CRYPT | |
| 5689 if (flags & FIO_ENCRYPTED) /* encrypt the data */ | |
| 2244 | 5690 crypt_encode(buf, len, buf); |
| 7 | 5691 #endif |
| 5692 | |
| 2664 | 5693 wlen = write_eintr(ip->bw_fd, buf, len); |
| 5694 return (wlen < len) ? FAIL : OK; | |
| 7 | 5695 } |
| 5696 | |
| 5697 #ifdef FEAT_MBYTE | |
| 5698 /* | |
| 5699 * Convert a Unicode character to bytes. | |
| 1947 | 5700 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5701 */ |
| 5702 static int | |
| 5703 ucs2bytes(c, pp, flags) | |
| 5704 unsigned c; /* in: character */ | |
| 5705 char_u **pp; /* in/out: pointer to result */ | |
| 5706 int flags; /* FIO_ flags */ | |
| 5707 { | |
| 5708 char_u *p = *pp; | |
| 5709 int error = FALSE; | |
| 5710 int cc; | |
| 5711 | |
| 5712 | |
| 5713 if (flags & FIO_UCS4) | |
| 5714 { | |
| 5715 if (flags & FIO_ENDIAN_L) | |
| 5716 { | |
| 5717 *p++ = c; | |
| 5718 *p++ = (c >> 8); | |
| 5719 *p++ = (c >> 16); | |
| 5720 *p++ = (c >> 24); | |
| 5721 } | |
| 5722 else | |
| 5723 { | |
| 5724 *p++ = (c >> 24); | |
| 5725 *p++ = (c >> 16); | |
| 5726 *p++ = (c >> 8); | |
| 5727 *p++ = c; | |
| 5728 } | |
| 5729 } | |
| 5730 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5731 { | |
| 5732 if (c >= 0x10000) | |
| 5733 { | |
| 5734 if (flags & FIO_UTF16) | |
| 5735 { | |
| 5736 /* Make two words, ten bits of the character in each. First | |
| 5737 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5738 c -= 0x10000; | |
| 5739 if (c >= 0x100000) | |
| 5740 error = TRUE; | |
| 5741 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5742 if (flags & FIO_ENDIAN_L) | |
| 5743 { | |
| 5744 *p++ = cc; | |
| 5745 *p++ = ((unsigned)cc >> 8); | |
| 5746 } | |
| 5747 else | |
| 5748 { | |
| 5749 *p++ = ((unsigned)cc >> 8); | |
| 5750 *p++ = cc; | |
| 5751 } | |
| 5752 c = (c & 0x3ff) + 0xdc00; | |
| 5753 } | |
| 5754 else | |
| 5755 error = TRUE; | |
| 5756 } | |
| 5757 if (flags & FIO_ENDIAN_L) | |
| 5758 { | |
| 5759 *p++ = c; | |
| 5760 *p++ = (c >> 8); | |
| 5761 } | |
| 5762 else | |
| 5763 { | |
| 5764 *p++ = (c >> 8); | |
| 5765 *p++ = c; | |
| 5766 } | |
| 5767 } | |
| 5768 else /* Latin1 */ | |
| 5769 { | |
| 5770 if (c >= 0x100) | |
| 5771 { | |
| 5772 error = TRUE; | |
| 5773 *p++ = 0xBF; | |
| 5774 } | |
| 5775 else | |
| 5776 *p++ = c; | |
| 5777 } | |
| 5778 | |
| 5779 *pp = p; | |
| 5780 return error; | |
| 5781 } | |
| 5782 | |
| 5783 /* | |
| 1948 | 5784 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5785 * 'encoding'. | |
| 7 | 5786 */ |
| 5787 static int | |
| 1948 | 5788 need_conversion(fenc) |
| 5789 char_u *fenc; | |
| 7 | 5790 { |
| 1948 | 5791 int same_encoding; |
| 5792 int enc_flags; | |
| 5793 int fenc_flags; | |
| 5794 | |
| 5795 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5796 { |
| 1948 | 5797 same_encoding = TRUE; |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5798 fenc_flags = 0; |
|
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5799 } |
| 1948 | 5800 else |
| 5801 { | |
| 5802 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5803 * "ucs-4be", etc. */ | |
| 5804 enc_flags = get_fio_flags(p_enc); | |
| 5805 fenc_flags = get_fio_flags(fenc); | |
| 5806 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5807 } | |
| 5808 if (same_encoding) | |
| 5809 { | |
| 5810 /* Specified encoding matches with 'encoding'. This requires | |
| 5811 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5812 return enc_unicode != 0; | |
| 5813 } | |
| 5814 | |
| 5815 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5816 * Unicode encoding and the file is UTF-8. */ | |
| 5817 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5818 } |
| 5819 | |
| 5820 /* | |
| 5821 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5822 * internal conversion. | |
| 5823 * if "ptr" is an empty string, use 'encoding'. | |
| 5824 */ | |
| 5825 static int | |
| 5826 get_fio_flags(ptr) | |
| 5827 char_u *ptr; | |
| 5828 { | |
| 5829 int prop; | |
| 5830 | |
| 5831 if (*ptr == NUL) | |
| 5832 ptr = p_enc; | |
| 5833 | |
| 5834 prop = enc_canon_props(ptr); | |
| 5835 if (prop & ENC_UNICODE) | |
| 5836 { | |
| 5837 if (prop & ENC_2BYTE) | |
| 5838 { | |
| 5839 if (prop & ENC_ENDIAN_L) | |
| 5840 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5841 return FIO_UCS2; | |
| 5842 } | |
| 5843 if (prop & ENC_4BYTE) | |
| 5844 { | |
| 5845 if (prop & ENC_ENDIAN_L) | |
| 5846 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5847 return FIO_UCS4; | |
| 5848 } | |
| 5849 if (prop & ENC_2WORD) | |
| 5850 { | |
| 5851 if (prop & ENC_ENDIAN_L) | |
| 5852 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5853 return FIO_UTF16; | |
| 5854 } | |
| 5855 return FIO_UTF8; | |
| 5856 } | |
| 5857 if (prop & ENC_LATIN1) | |
| 5858 return FIO_LATIN1; | |
| 5859 /* must be ENC_DBCS, requires iconv() */ | |
| 5860 return 0; | |
| 5861 } | |
| 5862 | |
| 5863 #ifdef WIN3264 | |
| 5864 /* | |
| 5865 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5866 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5867 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5868 */ | |
| 5869 static int | |
| 5870 get_win_fio_flags(ptr) | |
| 5871 char_u *ptr; | |
| 5872 { | |
| 5873 int cp; | |
| 5874 | |
| 5875 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5876 if (!enc_utf8 && enc_codepage <= 0) | |
| 5877 return 0; | |
| 5878 | |
| 5879 cp = encname2codepage(ptr); | |
| 5880 if (cp == 0) | |
| 5881 { | |
| 5882 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5883 if (STRCMP(ptr, "utf-8") == 0) | |
| 5884 cp = CP_UTF8; | |
| 5885 else | |
| 5886 # endif | |
| 5887 return 0; | |
| 5888 } | |
| 5889 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5890 } | |
| 5891 #endif | |
| 5892 | |
| 5893 #ifdef MACOS_X | |
| 5894 /* | |
| 5895 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5896 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5897 */ | |
| 5898 static int | |
| 5899 get_mac_fio_flags(ptr) | |
| 5900 char_u *ptr; | |
| 5901 { | |
| 5902 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5903 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5904 return FIO_MACROMAN; | |
| 5905 return 0; | |
| 5906 } | |
| 5907 #endif | |
| 5908 | |
| 5909 /* | |
| 5910 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5911 * "size" must be at least 2. | |
| 5912 * Return the name of the encoding and set "*lenp" to the length. | |
| 5913 * Returns NULL when no BOM found. | |
| 5914 */ | |
| 5915 static char_u * | |
| 5916 check_for_bom(p, size, lenp, flags) | |
| 5917 char_u *p; | |
| 5918 long size; | |
| 5919 int *lenp; | |
| 5920 int flags; | |
| 5921 { | |
| 5922 char *name = NULL; | |
| 5923 int len = 2; | |
| 5924 | |
| 5925 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5926 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5927 { |
| 5928 name = "utf-8"; /* EF BB BF */ | |
| 5929 len = 3; | |
| 5930 } | |
| 5931 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5932 { | |
| 5933 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5934 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5935 { | |
| 5936 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5937 len = 4; | |
| 5938 } | |
| 1735 | 5939 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5940 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5941 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5942 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5943 name = "utf-16le"; /* FF FE */ |
| 5944 } | |
| 5945 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5946 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5947 { | |
| 1547 | 5948 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5949 if (flags == FIO_UCS2) | |
| 5950 name = "ucs-2"; /* FE FF */ | |
| 5951 else | |
| 7 | 5952 name = "utf-16"; /* FE FF */ |
| 5953 } | |
| 5954 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5955 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5956 { | |
| 5957 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5958 len = 4; | |
| 5959 } | |
| 5960 | |
| 5961 *lenp = len; | |
| 5962 return (char_u *)name; | |
| 5963 } | |
| 5964 | |
| 5965 /* | |
| 5966 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5967 * Return the length of the BOM (zero when no BOM). | |
| 5968 */ | |
| 5969 static int | |
| 5970 make_bom(buf, name) | |
| 5971 char_u *buf; | |
| 5972 char_u *name; | |
| 5973 { | |
| 5974 int flags; | |
| 5975 char_u *p; | |
| 5976 | |
| 5977 flags = get_fio_flags(name); | |
| 5978 | |
| 5979 /* Can't put a BOM in a non-Unicode file. */ | |
| 5980 if (flags == FIO_LATIN1 || flags == 0) | |
| 5981 return 0; | |
| 5982 | |
| 5983 if (flags == FIO_UTF8) /* UTF-8 */ | |
| 5984 { | |
| 5985 buf[0] = 0xef; | |
| 5986 buf[1] = 0xbb; | |
| 5987 buf[2] = 0xbf; | |
| 5988 return 3; | |
| 5989 } | |
| 5990 p = buf; | |
| 5991 (void)ucs2bytes(0xfeff, &p, flags); | |
| 5992 return (int)(p - buf); | |
| 5993 } | |
| 5994 #endif | |
| 5995 | |
| 1418 | 5996 #if defined(FEAT_VIMINFO) || defined(FEAT_BROWSE) || \ |
| 1471 | 5997 defined(FEAT_QUICKFIX) || defined(FEAT_AUTOCMD) || defined(PROTO) |
| 7 | 5998 /* |
| 5999 * Try to find a shortname by comparing the fullname with the current | |
| 6000 * directory. | |
| 1411 | 6001 * Returns "full_path" or pointer into "full_path" if shortened. |
| 6002 */ | |
| 6003 char_u * | |
| 6004 shorten_fname1(full_path) | |
| 6005 char_u *full_path; | |
| 6006 { | |
| 2770 | 6007 char_u *dirname; |
| 1411 | 6008 char_u *p = full_path; |
| 6009 | |
| 2770 | 6010 dirname = alloc(MAXPATHL); |
| 6011 if (dirname == NULL) | |
| 6012 return full_path; | |
| 1411 | 6013 if (mch_dirname(dirname, MAXPATHL) == OK) |
| 6014 { | |
| 6015 p = shorten_fname(full_path, dirname); | |
| 6016 if (p == NULL || *p == NUL) | |
| 6017 p = full_path; | |
| 6018 } | |
| 2770 | 6019 vim_free(dirname); |
| 1411 | 6020 return p; |
| 6021 } | |
| 1418 | 6022 #endif |
| 1411 | 6023 |
| 6024 /* | |
| 6025 * Try to find a shortname by comparing the fullname with the current | |
| 6026 * directory. | |
| 7 | 6027 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 6028 * otherwise. | |
| 6029 */ | |
| 6030 char_u * | |
| 6031 shorten_fname(full_path, dir_name) | |
| 6032 char_u *full_path; | |
| 6033 char_u *dir_name; | |
| 6034 { | |
| 6035 int len; | |
| 6036 char_u *p; | |
| 6037 | |
| 6038 if (full_path == NULL) | |
| 6039 return NULL; | |
| 6040 len = (int)STRLEN(dir_name); | |
| 6041 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 6042 { | |
| 6043 p = full_path + len; | |
| 6044 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6045 /* | |
| 6046 * MSDOS: when a file is in the root directory, dir_name will end in a | |
| 6047 * slash, since C: by itself does not define a specific dir. In this | |
| 6048 * case p may already be correct. <negri> | |
| 6049 */ | |
| 6050 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 6051 #endif | |
| 6052 { | |
| 6053 if (vim_ispathsep(*p)) | |
| 6054 ++p; | |
| 6055 #ifndef VMS /* the path separator is always part of the path */ | |
| 6056 else | |
| 6057 p = NULL; | |
| 6058 #endif | |
| 6059 } | |
| 6060 } | |
| 6061 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
| 6062 /* | |
| 6063 * When using a file in the current drive, remove the drive name: | |
| 6064 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 6065 * a floppy from "A:\dir" to "B:\dir". | |
| 6066 */ | |
| 6067 else if (len > 3 | |
| 6068 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 6069 && full_path[1] == ':' | |
| 6070 && vim_ispathsep(full_path[2])) | |
| 6071 p = full_path + 2; | |
| 6072 #endif | |
| 6073 else | |
| 6074 p = NULL; | |
| 6075 return p; | |
| 6076 } | |
| 6077 | |
| 6078 /* | |
| 6079 * Shorten filenames for all buffers. | |
| 6080 * When "force" is TRUE: Use full path from now on for files currently being | |
| 6081 * edited, both for file name and swap file name. Try to shorten the file | |
| 6082 * names a bit, if safe to do so. | |
| 6083 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 6084 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 6085 * name. | |
| 6086 */ | |
| 6087 void | |
| 6088 shorten_fnames(force) | |
| 6089 int force; | |
| 6090 { | |
| 6091 char_u dirname[MAXPATHL]; | |
| 6092 buf_T *buf; | |
| 6093 char_u *p; | |
| 6094 | |
| 6095 mch_dirname(dirname, MAXPATHL); | |
| 6096 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 6097 { | |
| 6098 if (buf->b_fname != NULL | |
| 6099 #ifdef FEAT_QUICKFIX | |
| 6100 && !bt_nofile(buf) | |
| 6101 #endif | |
| 6102 && !path_with_url(buf->b_fname) | |
| 6103 && (force | |
| 6104 || buf->b_sfname == NULL | |
| 6105 || mch_isFullName(buf->b_sfname))) | |
| 6106 { | |
| 6107 vim_free(buf->b_sfname); | |
| 6108 buf->b_sfname = NULL; | |
| 6109 p = shorten_fname(buf->b_ffname, dirname); | |
| 6110 if (p != NULL) | |
| 6111 { | |
| 6112 buf->b_sfname = vim_strsave(p); | |
| 6113 buf->b_fname = buf->b_sfname; | |
| 6114 } | |
| 6115 if (p == NULL || buf->b_fname == NULL) | |
| 6116 buf->b_fname = buf->b_ffname; | |
| 9 | 6117 } |
| 6118 | |
| 6119 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 6120 * also have a swap file. */ | |
| 6121 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 6122 } |
| 6123 #ifdef FEAT_WINDOWS | |
| 6124 status_redraw_all(); | |
| 672 | 6125 redraw_tabline = TRUE; |
| 7 | 6126 #endif |
| 6127 } | |
| 6128 | |
| 6129 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 6130 || defined(FEAT_GUI_MSWIN) \ | |
| 6131 || defined(FEAT_GUI_MAC) \ | |
| 6132 || defined(PROTO) | |
| 6133 /* | |
| 6134 * Shorten all filenames in "fnames[count]" by current directory. | |
| 6135 */ | |
| 6136 void | |
| 6137 shorten_filenames(fnames, count) | |
| 6138 char_u **fnames; | |
| 6139 int count; | |
| 6140 { | |
| 6141 int i; | |
| 6142 char_u dirname[MAXPATHL]; | |
| 6143 char_u *p; | |
| 6144 | |
| 6145 if (fnames == NULL || count < 1) | |
| 6146 return; | |
| 6147 mch_dirname(dirname, sizeof(dirname)); | |
| 6148 for (i = 0; i < count; ++i) | |
| 6149 { | |
| 6150 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 6151 { | |
| 6152 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 6153 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 6154 * "p" first then free fnames[i]. */ | |
| 6155 p = vim_strsave(p); | |
| 6156 vim_free(fnames[i]); | |
| 6157 fnames[i] = p; | |
| 6158 } | |
| 6159 } | |
| 6160 } | |
| 6161 #endif | |
| 6162 | |
| 6163 /* | |
| 1651 | 6164 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 6165 * fo_o_h.ext for MSDOS or when shortname option set. |
| 6166 * | |
| 6167 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 6168 * the return value is a different name and ends in 'ext'. | |
| 6169 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 6170 * characters otherwise. | |
| 6171 * Space for the returned name is allocated, must be freed later. | |
| 6172 * Returns NULL when out of memory. | |
| 6173 */ | |
| 6174 char_u * | |
| 6175 modname(fname, ext, prepend_dot) | |
| 6176 char_u *fname, *ext; | |
| 6177 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6178 { | |
| 6179 return buf_modname( | |
| 6180 #ifdef SHORT_FNAME | |
| 6181 TRUE, | |
| 6182 #else | |
| 6183 (curbuf->b_p_sn || curbuf->b_shortname), | |
| 6184 #endif | |
| 6185 fname, ext, prepend_dot); | |
| 6186 } | |
| 6187 | |
| 6188 char_u * | |
| 6189 buf_modname(shortname, fname, ext, prepend_dot) | |
| 6190 int shortname; /* use 8.3 file name */ | |
| 6191 char_u *fname, *ext; | |
| 6192 int prepend_dot; /* may prepend a '.' to file name */ | |
| 6193 { | |
| 6194 char_u *retval; | |
| 6195 char_u *s; | |
| 6196 char_u *e; | |
| 6197 char_u *ptr; | |
| 6198 int fnamelen, extlen; | |
| 6199 | |
| 6200 extlen = (int)STRLEN(ext); | |
| 6201 | |
| 6202 /* | |
| 6203 * If there is no file name we must get the name of the current directory | |
| 6204 * (we need the full path in case :cd is used). | |
| 6205 */ | |
| 6206 if (fname == NULL || *fname == NUL) | |
| 6207 { | |
| 6208 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 6209 if (retval == NULL) | |
| 6210 return NULL; | |
| 6211 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 6212 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 6213 { | |
| 6214 vim_free(retval); | |
| 6215 return NULL; | |
| 6216 } | |
| 39 | 6217 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 6218 { |
| 6219 retval[fnamelen++] = PATHSEP; | |
| 6220 retval[fnamelen] = NUL; | |
| 6221 } | |
| 6222 #ifndef SHORT_FNAME | |
| 6223 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 6224 #endif | |
| 6225 } | |
| 6226 else | |
| 6227 { | |
| 6228 fnamelen = (int)STRLEN(fname); | |
| 6229 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 6230 if (retval == NULL) | |
| 6231 return NULL; | |
| 6232 STRCPY(retval, fname); | |
| 6233 #ifdef VMS | |
| 6234 vms_remove_version(retval); /* we do not need versions here */ | |
| 6235 #endif | |
| 6236 } | |
| 6237 | |
| 6238 /* | |
| 6239 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 6240 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 6241 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 6242 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 6243 */ | |
| 391 | 6244 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 6245 { |
| 6246 if (*ext == '.' | |
| 2823 | 6247 #ifdef USE_LONG_FNAME |
| 7 | 6248 && (!USE_LONG_FNAME || shortname) |
| 2823 | 6249 #else |
| 6250 # ifndef SHORT_FNAME | |
| 7 | 6251 && shortname |
| 6252 # endif | |
| 2823 | 6253 #endif |
| 7 | 6254 ) |
| 6255 if (*ptr == '.') /* replace '.' by '_' */ | |
| 6256 *ptr = '_'; | |
| 6257 if (vim_ispathsep(*ptr)) | |
| 391 | 6258 { |
| 6259 ++ptr; | |
| 7 | 6260 break; |
| 391 | 6261 } |
| 6262 } | |
| 7 | 6263 |
| 6264 /* the file name has at most BASENAMELEN characters. */ | |
| 6265 #ifndef SHORT_FNAME | |
| 6266 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6267 ptr[BASENAMELEN] = '\0'; | |
| 6268 #endif | |
| 6269 | |
| 6270 s = ptr + STRLEN(ptr); | |
| 6271 | |
| 6272 /* | |
| 6273 * For 8.3 file names we may have to reduce the length. | |
| 6274 */ | |
| 6275 #ifdef USE_LONG_FNAME | |
| 6276 if (!USE_LONG_FNAME || shortname) | |
| 6277 #else | |
| 6278 # ifndef SHORT_FNAME | |
| 6279 if (shortname) | |
| 6280 # endif | |
| 6281 #endif | |
| 6282 { | |
| 6283 /* | |
| 6284 * If there is no file name, or the file name ends in '/', and the | |
| 6285 * extension starts with '.', put a '_' before the dot, because just | |
| 6286 * ".ext" is invalid. | |
| 6287 */ | |
| 6288 if (fname == NULL || *fname == NUL | |
| 6289 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6290 { | |
| 6291 if (*ext == '.') | |
| 6292 *s++ = '_'; | |
| 6293 } | |
| 6294 /* | |
| 6295 * If the extension starts with '.', truncate the base name at 8 | |
| 6296 * characters | |
| 6297 */ | |
| 6298 else if (*ext == '.') | |
| 6299 { | |
| 1877 | 6300 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6301 { |
| 6302 s = ptr + 8; | |
| 6303 *s = '\0'; | |
| 6304 } | |
| 6305 } | |
| 6306 /* | |
| 6307 * If the extension doesn't start with '.', and the file name | |
| 6308 * doesn't have an extension yet, append a '.' | |
| 6309 */ | |
| 6310 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6311 *s++ = '.'; | |
| 6312 /* | |
| 6313 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6314 * extension, it may need to be truncated |
| 7 | 6315 */ |
| 6316 else if ((int)STRLEN(e) + extlen > 4) | |
| 6317 s = e + 4 - extlen; | |
| 6318 } | |
| 6319 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264) | |
| 6320 /* | |
| 6321 * If there is no file name, and the extension starts with '.', put a | |
| 6322 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6323 * FAT partition, and on HPFS it doesn't matter. | |
| 6324 */ | |
| 6325 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6326 *s++ = '_'; | |
| 6327 #endif | |
| 6328 | |
| 6329 /* | |
| 1651 | 6330 * Append the extension. |
| 7 | 6331 * ext can start with '.' and cannot exceed 3 more characters. |
| 6332 */ | |
| 6333 STRCPY(s, ext); | |
| 6334 | |
| 6335 #ifndef SHORT_FNAME | |
| 6336 /* | |
| 6337 * Prepend the dot. | |
| 6338 */ | |
| 2823 | 6339 if (prepend_dot && !shortname && *(e = gettail(retval)) != '.' |
| 7 | 6340 #ifdef USE_LONG_FNAME |
| 6341 && USE_LONG_FNAME | |
| 6342 #endif | |
| 6343 ) | |
| 6344 { | |
| 1620 | 6345 STRMOVE(e + 1, e); |
| 7 | 6346 *e = '.'; |
| 6347 } | |
| 6348 #endif | |
| 6349 | |
| 6350 /* | |
| 6351 * Check that, after appending the extension, the file name is really | |
| 6352 * different. | |
| 6353 */ | |
| 6354 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6355 { | |
| 6356 /* we search for a character that can be replaced by '_' */ | |
| 6357 while (--s >= ptr) | |
| 6358 { | |
| 6359 if (*s != '_') | |
| 6360 { | |
| 6361 *s = '_'; | |
| 6362 break; | |
| 6363 } | |
| 6364 } | |
| 6365 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6366 *ptr = 'v'; | |
| 6367 } | |
| 6368 return retval; | |
| 6369 } | |
| 6370 | |
| 6371 /* | |
| 6372 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6373 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6374 */ | |
| 6375 int | |
| 6376 vim_fgets(buf, size, fp) | |
| 6377 char_u *buf; | |
| 6378 int size; | |
| 6379 FILE *fp; | |
| 6380 { | |
| 6381 char *eof; | |
| 6382 #define FGETS_SIZE 200 | |
| 6383 char tbuf[FGETS_SIZE]; | |
| 6384 | |
| 6385 buf[size - 2] = NUL; | |
| 6386 #ifdef USE_CR | |
| 6387 eof = fgets_cr((char *)buf, size, fp); | |
| 6388 #else | |
| 6389 eof = fgets((char *)buf, size, fp); | |
| 6390 #endif | |
| 6391 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6392 { | |
| 6393 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6394 | |
| 6395 /* Now throw away the rest of the line: */ | |
| 6396 do | |
| 6397 { | |
| 6398 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6399 #ifdef USE_CR | |
| 1757 | 6400 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6401 #else |
| 1757 | 6402 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6403 #endif |
| 6404 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6405 } | |
| 6406 return (eof == NULL); | |
| 6407 } | |
| 6408 | |
| 6409 #if defined(USE_CR) || defined(PROTO) | |
| 6410 /* | |
| 6411 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6412 * Returns TRUE for end-of-file. | |
| 6413 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6414 */ | |
| 6415 int | |
| 6416 tag_fgets(buf, size, fp) | |
| 6417 char_u *buf; | |
| 6418 int size; | |
| 6419 FILE *fp; | |
| 6420 { | |
| 6421 int i = 0; | |
| 6422 int c; | |
| 6423 int eof = FALSE; | |
| 6424 | |
| 6425 for (;;) | |
| 6426 { | |
| 6427 c = fgetc(fp); | |
| 6428 if (c == EOF) | |
| 6429 { | |
| 6430 eof = TRUE; | |
| 6431 break; | |
| 6432 } | |
| 6433 if (c == '\r') | |
| 6434 { | |
| 6435 /* Always store a NL for end-of-line. */ | |
| 6436 if (i < size - 1) | |
| 6437 buf[i++] = '\n'; | |
| 6438 c = fgetc(fp); | |
| 6439 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6440 ungetc(c, fp); | |
| 6441 break; | |
| 6442 } | |
| 6443 if (i < size - 1) | |
| 6444 buf[i++] = c; | |
| 6445 if (c == '\n') | |
| 6446 break; | |
| 6447 } | |
| 6448 buf[i] = NUL; | |
| 6449 return eof; | |
| 6450 } | |
| 6451 #endif | |
| 6452 | |
| 6453 /* | |
| 6454 * rename() only works if both files are on the same file system, this | |
| 6455 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6456 * Return -1 for failure, 0 for success. | |
| 6457 */ | |
| 6458 int | |
| 6459 vim_rename(from, to) | |
| 6460 char_u *from; | |
| 6461 char_u *to; | |
| 6462 { | |
| 6463 int fd_in; | |
| 6464 int fd_out; | |
| 6465 int n; | |
| 6466 char *errmsg = NULL; | |
| 6467 char *buffer; | |
| 6468 #ifdef AMIGA | |
| 6469 BPTR flock; | |
| 6470 #endif | |
| 6471 struct stat st; | |
| 194 | 6472 long perm; |
| 199 | 6473 #ifdef HAVE_ACL |
| 6474 vim_acl_T acl; /* ACL from original file */ | |
| 6475 #endif | |
| 1779 | 6476 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) |
| 6477 int use_tmp_file = FALSE; | |
| 6478 #endif | |
| 7 | 6479 |
| 6480 /* | |
| 1779 | 6481 * When the names are identical, there is nothing to do. When they refer |
| 6482 * to the same file (ignoring case and slash/backslash differences) but | |
| 6483 * the file name differs we need to go through a temp file. | |
| 7 | 6484 */ |
| 6485 if (fnamecmp(from, to) == 0) | |
| 1779 | 6486 { |
| 6487 #ifdef CASE_INSENSITIVE_FILENAME | |
| 6488 if (STRCMP(gettail(from), gettail(to)) != 0) | |
| 6489 use_tmp_file = TRUE; | |
| 6490 else | |
| 6491 #endif | |
| 6492 return 0; | |
| 6493 } | |
| 7 | 6494 |
| 6495 /* | |
| 6496 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6497 */ | |
| 6498 if (mch_stat((char *)from, &st) < 0) | |
| 6499 return -1; | |
| 6500 | |
| 1778 | 6501 #ifdef UNIX |
| 6502 { | |
| 6503 struct stat st_to; | |
| 6504 | |
| 6505 /* It's possible for the source and destination to be the same file. | |
| 6506 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6507 * filesystem. In that case go through a temp file name. */ | |
| 6508 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6509 && st.st_dev == st_to.st_dev | |
| 6510 && st.st_ino == st_to.st_ino) | |
| 1779 | 6511 use_tmp_file = TRUE; |
| 6512 } | |
| 6513 #endif | |
| 2793 | 6514 #ifdef WIN3264 |
| 6515 { | |
| 6516 BY_HANDLE_FILE_INFORMATION info1, info2; | |
| 6517 | |
| 6518 /* It's possible for the source and destination to be the same file. | |
| 6519 * In that case go through a temp file name. This makes rename("foo", | |
| 6520 * "./foo") a no-op (in a complicated way). */ | |
| 6521 if (win32_fileinfo(from, &info1) == FILEINFO_OK | |
| 6522 && win32_fileinfo(to, &info2) == FILEINFO_OK | |
| 6523 && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber | |
| 6524 && info1.nFileIndexHigh == info2.nFileIndexHigh | |
| 6525 && info1.nFileIndexLow == info2.nFileIndexLow) | |
| 6526 use_tmp_file = TRUE; | |
| 6527 } | |
| 6528 #endif | |
| 1779 | 6529 |
| 6530 #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) | |
| 6531 if (use_tmp_file) | |
| 6532 { | |
| 6533 char tempname[MAXPATHL + 1]; | |
| 6534 | |
| 6535 /* | |
| 6536 * Find a name that doesn't exist and is in the same directory. | |
| 6537 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6538 */ | |
| 6539 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6540 return -1; | |
| 6541 STRCPY(tempname, from); | |
| 6542 for (n = 123; n < 99999; ++n) | |
| 6543 { | |
| 6544 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6545 if (mch_stat(tempname, &st) < 0) | |
| 6546 { | |
| 6547 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6548 { |
| 1779 | 6549 if (mch_rename(tempname, (char *)to) == 0) |
| 6550 return 0; | |
| 6551 /* Strange, the second step failed. Try moving the | |
| 6552 * file back and return failure. */ | |
| 6553 mch_rename(tempname, (char *)from); | |
| 1778 | 6554 return -1; |
| 6555 } | |
| 1779 | 6556 /* If it fails for one temp name it will most likely fail |
| 6557 * for any temp name, give up. */ | |
| 6558 return -1; | |
| 6559 } | |
| 6560 } | |
| 6561 return -1; | |
| 1778 | 6562 } |
| 6563 #endif | |
| 6564 | |
| 7 | 6565 /* |
| 6566 * Delete the "to" file, this is required on some systems to make the | |
| 6567 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6568 * two files when the mch_rename() fails. | |
| 6569 */ | |
| 6570 | |
| 6571 #ifdef AMIGA | |
| 6572 /* | |
| 6573 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6574 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6575 * though the names are different. To avoid the chance of accidentally |
| 7 | 6576 * deleting the "from" file (horror!) we lock it during the remove. |
| 6577 * | |
| 6578 * When used for making a backup before writing the file: This should not | |
| 6579 * happen with ":w", because startscript() should detect this problem and | |
| 6580 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6581 * name. This problem does exist with ":w filename", but then the | |
| 6582 * original file will be somewhere else so the backup isn't really | |
| 6583 * important. If autoscripting is off the rename may fail. | |
| 6584 */ | |
| 6585 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6586 #endif | |
| 6587 mch_remove(to); | |
| 6588 #ifdef AMIGA | |
| 6589 if (flock) | |
| 6590 UnLock(flock); | |
| 6591 #endif | |
| 6592 | |
| 6593 /* | |
| 6594 * First try a normal rename, return if it works. | |
| 6595 */ | |
| 6596 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6597 return 0; | |
| 6598 | |
| 6599 /* | |
| 6600 * Rename() failed, try copying the file. | |
| 6601 */ | |
| 194 | 6602 perm = mch_getperm(from); |
| 199 | 6603 #ifdef HAVE_ACL |
| 6604 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6605 acl = mch_get_acl(from); | |
| 6606 #endif | |
| 7 | 6607 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6608 if (fd_in == -1) | |
| 1651 | 6609 { |
| 6610 #ifdef HAVE_ACL | |
| 6611 mch_free_acl(acl); | |
| 6612 #endif | |
| 7 | 6613 return -1; |
| 1651 | 6614 } |
| 194 | 6615 |
| 6616 /* Create the new file with same permissions as the original. */ | |
| 557 | 6617 fd_out = mch_open((char *)to, |
| 6618 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6619 if (fd_out == -1) |
| 6620 { | |
| 6621 close(fd_in); | |
| 1651 | 6622 #ifdef HAVE_ACL |
| 6623 mch_free_acl(acl); | |
| 6624 #endif | |
| 7 | 6625 return -1; |
| 6626 } | |
| 6627 | |
| 6628 buffer = (char *)alloc(BUFSIZE); | |
| 6629 if (buffer == NULL) | |
| 6630 { | |
| 1651 | 6631 close(fd_out); |
| 7 | 6632 close(fd_in); |
| 1651 | 6633 #ifdef HAVE_ACL |
| 6634 mch_free_acl(acl); | |
| 6635 #endif | |
| 7 | 6636 return -1; |
| 6637 } | |
| 6638 | |
| 2664 | 6639 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
| 6640 if (write_eintr(fd_out, buffer, n) != n) | |
| 7 | 6641 { |
| 6642 errmsg = _("E208: Error writing to \"%s\""); | |
| 6643 break; | |
| 6644 } | |
| 6645 | |
| 6646 vim_free(buffer); | |
| 6647 close(fd_in); | |
| 6648 if (close(fd_out) < 0) | |
| 6649 errmsg = _("E209: Error closing \"%s\""); | |
| 6650 if (n < 0) | |
| 6651 { | |
| 6652 errmsg = _("E210: Error reading \"%s\""); | |
| 6653 to = from; | |
| 6654 } | |
| 1201 | 6655 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6656 mch_setperm(to, perm); |
| 570 | 6657 #endif |
| 199 | 6658 #ifdef HAVE_ACL |
| 6659 mch_set_acl(to, acl); | |
| 1651 | 6660 mch_free_acl(acl); |
| 199 | 6661 #endif |
| 7 | 6662 if (errmsg != NULL) |
| 6663 { | |
| 6664 EMSG2(errmsg, to); | |
| 6665 return -1; | |
| 6666 } | |
| 6667 mch_remove(from); | |
| 6668 return 0; | |
| 6669 } | |
| 6670 | |
| 6671 static int already_warned = FALSE; | |
| 6672 | |
| 6673 /* | |
| 6674 * Check if any not hidden buffer has been changed. | |
| 6675 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6676 * command is being executed, a mapping is being executed or an autocommand is | |
| 6677 * busy. | |
| 6678 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6679 * cursor positioned). | |
| 6680 */ | |
| 6681 int | |
| 6682 check_timestamps(focus) | |
| 6683 int focus; /* called for GUI focus event */ | |
| 6684 { | |
| 6685 buf_T *buf; | |
| 6686 int didit = 0; | |
| 6687 int n; | |
| 6688 | |
| 6689 /* Don't check timestamps while system() or another low-level function may | |
| 6690 * cause us to lose and gain focus. */ | |
| 6691 if (no_check_timestamps > 0) | |
| 6692 return FALSE; | |
| 6693 | |
| 6694 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6695 * event and we would keep on checking if the file is steadily growing. | |
| 6696 * Do check again after typing something. */ | |
| 6697 if (focus && did_check_timestamps) | |
| 6698 { | |
| 6699 need_check_timestamps = TRUE; | |
| 6700 return FALSE; | |
| 6701 } | |
| 6702 | |
| 6703 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6704 #ifdef FEAT_AUTOCMD | |
| 1834 | 6705 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6706 #endif |
| 6707 ) | |
| 6708 need_check_timestamps = TRUE; /* check later */ | |
| 6709 else | |
| 6710 { | |
| 6711 ++no_wait_return; | |
| 6712 did_check_timestamps = TRUE; | |
| 6713 already_warned = FALSE; | |
| 6714 for (buf = firstbuf; buf != NULL; ) | |
| 6715 { | |
| 6716 /* Only check buffers in a window. */ | |
| 6717 if (buf->b_nwindows > 0) | |
| 6718 { | |
| 6719 n = buf_check_timestamp(buf, focus); | |
| 6720 if (didit < n) | |
| 6721 didit = n; | |
| 6722 if (n > 0 && !buf_valid(buf)) | |
| 6723 { | |
| 6724 /* Autocommands have removed the buffer, start at the | |
| 6725 * first one again. */ | |
| 6726 buf = firstbuf; | |
| 6727 continue; | |
| 6728 } | |
| 6729 } | |
| 6730 buf = buf->b_next; | |
| 6731 } | |
| 6732 --no_wait_return; | |
| 6733 need_check_timestamps = FALSE; | |
| 6734 if (need_wait_return && didit == 2) | |
| 6735 { | |
| 6736 /* make sure msg isn't overwritten */ | |
| 6737 msg_puts((char_u *)"\n"); | |
| 6738 out_flush(); | |
| 6739 } | |
| 6740 } | |
| 6741 return didit; | |
| 6742 } | |
| 6743 | |
| 6744 /* | |
| 6745 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6746 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6747 * empty. | |
| 6748 */ | |
| 6749 static int | |
| 6750 move_lines(frombuf, tobuf) | |
| 6751 buf_T *frombuf; | |
| 6752 buf_T *tobuf; | |
| 6753 { | |
| 6754 buf_T *tbuf = curbuf; | |
| 6755 int retval = OK; | |
| 6756 linenr_T lnum; | |
| 6757 char_u *p; | |
| 6758 | |
| 6759 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6760 curbuf = tobuf; | |
| 6761 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6762 { | |
| 6763 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6764 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6765 { | |
| 6766 vim_free(p); | |
| 6767 retval = FAIL; | |
| 6768 break; | |
| 6769 } | |
| 6770 vim_free(p); | |
| 6771 } | |
| 6772 | |
| 6773 /* Delete all the lines in "frombuf". */ | |
| 6774 if (retval != FAIL) | |
| 6775 { | |
| 6776 curbuf = frombuf; | |
| 1055 | 6777 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6778 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6779 { |
| 6780 /* Oops! We could try putting back the saved lines, but that | |
| 6781 * might fail again... */ | |
| 6782 retval = FAIL; | |
| 6783 break; | |
| 6784 } | |
| 6785 } | |
| 6786 | |
| 6787 curbuf = tbuf; | |
| 6788 return retval; | |
| 6789 } | |
| 6790 | |
| 6791 /* | |
| 6792 * Check if buffer "buf" has been changed. | |
| 6793 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6794 * return 1 if a changed buffer was found. | |
| 6795 * return 2 if a message has been displayed. | |
| 6796 * return 0 otherwise. | |
| 6797 */ | |
| 6798 int | |
| 6799 buf_check_timestamp(buf, focus) | |
| 6800 buf_T *buf; | |
| 1877 | 6801 int focus UNUSED; /* called for GUI focus event */ |
| 7 | 6802 { |
| 6803 struct stat st; | |
| 6804 int stat_res; | |
| 6805 int retval = 0; | |
| 6806 char_u *path; | |
| 6807 char_u *tbuf; | |
| 6808 char *mesg = NULL; | |
| 188 | 6809 char *mesg2 = ""; |
| 7 | 6810 int helpmesg = FALSE; |
| 6811 int reload = FALSE; | |
| 6812 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6813 int can_reload = FALSE; | |
| 6814 #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
|
6815 off_t orig_size = buf->b_orig_size; |
| 7 | 6816 int orig_mode = buf->b_orig_mode; |
| 6817 #ifdef FEAT_GUI | |
| 6818 int save_mouse_correct = need_mouse_correct; | |
| 6819 #endif | |
| 6820 #ifdef FEAT_AUTOCMD | |
| 6821 static int busy = FALSE; | |
| 179 | 6822 int n; |
| 6823 char_u *s; | |
| 6824 #endif | |
| 6825 char *reason; | |
| 7 | 6826 |
| 6827 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6828 * set, we are in the middle of a save or being called recursively: ignore | |
| 6829 * this buffer. */ | |
| 6830 if (buf->b_ffname == NULL | |
| 6831 || buf->b_ml.ml_mfp == NULL | |
| 6832 #if defined(FEAT_QUICKFIX) | |
| 6833 || *buf->b_p_bt != NUL | |
| 6834 #endif | |
| 6835 || buf->b_saving | |
| 6836 #ifdef FEAT_AUTOCMD | |
| 6837 || busy | |
| 6838 #endif | |
| 33 | 6839 #ifdef FEAT_NETBEANS_INTG |
| 6840 || isNetbeansBuffer(buf) | |
| 6841 #endif | |
| 7 | 6842 ) |
| 6843 return 0; | |
| 6844 | |
| 6845 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6846 && buf->b_mtime != 0 | |
| 6847 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6848 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 6849 #ifdef HAVE_ST_MODE | |
| 6850 || (int)st.st_mode != buf->b_orig_mode | |
| 6851 #else | |
| 6852 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6853 #endif | |
| 6854 )) | |
| 6855 { | |
| 6856 retval = 1; | |
| 6857 | |
| 628 | 6858 /* set b_mtime to stop further warnings (e.g., when executing |
| 6859 * FileChangedShell autocmd) */ | |
| 7 | 6860 if (stat_res < 0) |
| 6861 { | |
| 6862 buf->b_mtime = 0; | |
| 6863 buf->b_orig_size = 0; | |
| 6864 buf->b_orig_mode = 0; | |
| 6865 } | |
| 6866 else | |
| 6867 buf_store_time(buf, &st, buf->b_ffname); | |
| 6868 | |
| 6869 /* Don't do anything for a directory. Might contain the file | |
| 6870 * explorer. */ | |
| 6871 if (mch_isdir(buf->b_fname)) | |
| 6872 ; | |
| 6873 | |
| 6874 /* | |
| 6875 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6876 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6877 * was set, the global option value otherwise. | |
| 6878 */ | |
| 6879 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6880 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6881 reload = TRUE; | |
| 6882 else | |
| 6883 { | |
| 179 | 6884 if (stat_res < 0) |
| 6885 reason = "deleted"; | |
| 6886 else if (bufIsChanged(buf)) | |
| 6887 reason = "conflict"; | |
| 6888 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6889 reason = "changed"; | |
| 6890 else if (orig_mode != buf->b_orig_mode) | |
| 6891 reason = "mode"; | |
| 6892 else | |
| 6893 reason = "time"; | |
| 6894 | |
| 7 | 6895 #ifdef FEAT_AUTOCMD |
| 6896 /* | |
| 6897 * Only give the warning if there are no FileChangedShell | |
| 6898 * autocommands. | |
| 6899 * Avoid being called recursively by setting "busy". | |
| 6900 */ | |
| 6901 busy = TRUE; | |
| 532 | 6902 # ifdef FEAT_EVAL |
| 179 | 6903 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6904 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6905 # endif |
| 1834 | 6906 ++allbuf_lock; |
| 7 | 6907 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6908 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6909 --allbuf_lock; |
| 7 | 6910 busy = FALSE; |
| 6911 if (n) | |
| 6912 { | |
| 6913 if (!buf_valid(buf)) | |
| 6914 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6915 # ifdef FEAT_EVAL |
| 179 | 6916 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6917 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6918 reload = TRUE; | |
| 6919 else if (STRCMP(s, "ask") == 0) | |
| 6920 n = FALSE; | |
| 6921 else | |
| 532 | 6922 # endif |
| 179 | 6923 return 2; |
| 7 | 6924 } |
| 179 | 6925 if (!n) |
| 7 | 6926 #endif |
| 6927 { | |
| 179 | 6928 if (*reason == 'd') |
| 6929 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6930 else |
| 6931 { | |
| 6932 helpmesg = TRUE; | |
| 6933 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6934 can_reload = TRUE; | |
| 6935 #endif | |
| 6936 /* | |
| 6937 * Check if the file contents really changed to avoid | |
| 6938 * giving a warning when only the timestamp was set (e.g., | |
| 6939 * checked out of CVS). Always warn when the buffer was | |
| 6940 * changed. | |
| 6941 */ | |
| 179 | 6942 if (reason[2] == 'n') |
| 6943 { | |
| 7 | 6944 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6945 mesg2 = _("See \":help W12\" for more info."); |
| 6946 } | |
| 6947 else if (reason[1] == 'h') | |
| 6948 { | |
| 7 | 6949 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6950 mesg2 = _("See \":help W11\" for more info."); |
| 6951 } | |
| 6952 else if (*reason == 'm') | |
| 6953 { | |
| 7 | 6954 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6955 mesg2 = _("See \":help W16\" for more info."); |
| 6956 } | |
| 1913 | 6957 else |
| 6958 /* Only timestamp changed, store it to avoid a warning | |
| 6959 * in check_mtime() later. */ | |
| 6960 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 6961 } |
| 6962 } | |
| 6963 } | |
| 6964 | |
| 6965 } | |
| 6966 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 6967 && vim_fexists(buf->b_ffname)) | |
| 6968 { | |
| 6969 retval = 1; | |
| 6970 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 6971 buf->b_flags |= BF_NEW_W; | |
| 6972 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6973 can_reload = TRUE; | |
| 6974 #endif | |
| 6975 } | |
| 6976 | |
| 6977 if (mesg != NULL) | |
| 6978 { | |
| 6979 path = home_replace_save(buf, buf->b_fname); | |
| 6980 if (path != NULL) | |
| 6981 { | |
| 179 | 6982 if (!helpmesg) |
| 7 | 6983 mesg2 = ""; |
| 6984 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 6985 + STRLEN(mesg2) + 2)); | |
| 6986 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 6987 #ifdef FEAT_EVAL |
| 6988 /* Set warningmsg here, before the unimportant and output-specific | |
| 6989 * mesg2 has been appended. */ | |
| 6990 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 6991 #endif | |
| 7 | 6992 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 6993 if (can_reload) | |
| 6994 { | |
| 6995 if (*mesg2 != NUL) | |
| 6996 { | |
| 6997 STRCAT(tbuf, "\n"); | |
| 6998 STRCAT(tbuf, mesg2); | |
| 6999 } | |
| 7000 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 2684 | 7001 (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2) |
| 7 | 7002 reload = TRUE; |
| 7003 } | |
| 7004 else | |
| 7005 #endif | |
| 7006 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 7007 { | |
| 7008 if (*mesg2 != NUL) | |
| 7009 { | |
| 7010 STRCAT(tbuf, "; "); | |
| 7011 STRCAT(tbuf, mesg2); | |
| 7012 } | |
| 7013 EMSG(tbuf); | |
| 7014 retval = 2; | |
| 7015 } | |
| 7016 else | |
| 7017 { | |
| 8 | 7018 # ifdef FEAT_AUTOCMD |
| 7 | 7019 if (!autocmd_busy) |
| 8 | 7020 # endif |
| 7 | 7021 { |
| 7022 msg_start(); | |
| 7023 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 7024 if (*mesg2 != NUL) | |
| 7025 msg_puts_attr((char_u *)mesg2, | |
| 7026 hl_attr(HLF_W) + MSG_HIST); | |
| 7027 msg_clr_eos(); | |
| 7028 (void)msg_end(); | |
| 7029 if (emsg_silent == 0) | |
| 7030 { | |
| 7031 out_flush(); | |
| 8 | 7032 # ifdef FEAT_GUI |
| 7 | 7033 if (!focus) |
| 8 | 7034 # endif |
| 7 | 7035 /* give the user some time to think about it */ |
| 7036 ui_delay(1000L, TRUE); | |
| 7037 | |
| 7038 /* don't redraw and erase the message */ | |
| 7039 redraw_cmdline = FALSE; | |
| 7040 } | |
| 7041 } | |
| 7042 already_warned = TRUE; | |
| 7043 } | |
| 7044 | |
| 7045 vim_free(path); | |
| 7046 vim_free(tbuf); | |
| 7047 } | |
| 7048 } | |
| 7049 | |
| 7050 if (reload) | |
| 311 | 7051 /* Reload the buffer. */ |
| 628 | 7052 buf_reload(buf, orig_mode); |
| 7 | 7053 |
| 765 | 7054 #ifdef FEAT_AUTOCMD |
| 1620 | 7055 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 7056 if (buf_valid(buf) && retval != 0) | |
| 765 | 7057 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 7058 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 7059 #endif | |
| 7 | 7060 #ifdef FEAT_GUI |
| 7061 /* restore this in case an autocommand has set it; it would break | |
| 7062 * 'mousefocus' */ | |
| 7063 need_mouse_correct = save_mouse_correct; | |
| 7064 #endif | |
| 7065 | |
| 7066 return retval; | |
| 7067 } | |
| 7068 | |
| 311 | 7069 /* |
| 7070 * Reload a buffer that is already loaded. | |
| 7071 * Used when the file was changed outside of Vim. | |
| 628 | 7072 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 7073 * buf->b_orig_mode may have been reset already. | |
| 311 | 7074 */ |
| 7075 void | |
| 628 | 7076 buf_reload(buf, orig_mode) |
| 311 | 7077 buf_T *buf; |
| 628 | 7078 int orig_mode; |
| 311 | 7079 { |
| 7080 exarg_T ea; | |
| 7081 pos_T old_cursor; | |
| 7082 linenr_T old_topline; | |
| 7083 int old_ro = buf->b_p_ro; | |
| 7084 buf_T *savebuf; | |
| 7085 int saved = OK; | |
| 7086 aco_save_T aco; | |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7087 int flags = READ_NEW; |
| 311 | 7088 |
| 7089 /* set curwin/curbuf for "buf" and save some things */ | |
| 7090 aucmd_prepbuf(&aco, buf); | |
| 7091 | |
| 7092 /* We only want to read the text from the file, not reset the syntax | |
| 7093 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 7094 * and encoding to be the same. */ | |
| 7095 if (prep_exarg(&ea, buf) == OK) | |
| 7096 { | |
| 7097 old_cursor = curwin->w_cursor; | |
| 7098 old_topline = curwin->w_topline; | |
| 7099 | |
|
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|
7100 if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
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|
7101 { |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7102 /* Save all the text, so that the reload can be undone. |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7103 * Sync first so that this is a separate undo-able action. */ |
|
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Add the 'undoreload' option to be able to undo a file reload.
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parents:
2360
diff
changeset
|
7104 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
|
7105 saved = u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, TRUE); |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7106 flags |= READ_KEEP_UNDO; |
|
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Add the 'undoreload' option to be able to undo a file reload.
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2360
diff
changeset
|
7107 } |
|
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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
|
7108 |
| 311 | 7109 /* |
| 7110 * To behave like when a new file is edited (matters for | |
| 7111 * BufReadPost autocommands) we first need to delete the current | |
| 7112 * buffer contents. But if reading the file fails we should keep | |
| 7113 * the old contents. Can't use memory only, the file might be | |
| 7114 * too big. Use a hidden buffer to move the buffer contents to. | |
| 7115 */ | |
|
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Add the 'undoreload' option to be able to undo a file reload.
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parents:
2360
diff
changeset
|
7116 if (bufempty() || saved == FAIL) |
| 311 | 7117 savebuf = NULL; |
| 7118 else | |
| 7119 { | |
| 7120 /* Allocate a buffer without putting it in the buffer list. */ | |
| 7121 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 7122 if (savebuf != NULL && buf == curbuf) |
| 311 | 7123 { |
| 7124 /* Open the memline. */ | |
| 7125 curbuf = savebuf; | |
| 7126 curwin->w_buffer = savebuf; | |
| 625 | 7127 saved = ml_open(curbuf); |
| 311 | 7128 curbuf = buf; |
| 7129 curwin->w_buffer = buf; | |
| 7130 } | |
| 837 | 7131 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 7132 || move_lines(buf, savebuf) == FAIL) |
| 7133 { | |
| 7134 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 7135 buf->b_fname); | |
| 7136 saved = FAIL; | |
| 7137 } | |
| 7138 } | |
| 7139 | |
| 7140 if (saved == OK) | |
| 7141 { | |
| 7142 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 7143 #ifdef FEAT_AUTOCMD | |
| 7144 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 7145 #endif | |
| 7146 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 7147 (linenr_T)0, | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7148 (linenr_T)MAXLNUM, &ea, flags) == FAIL) |
| 311 | 7149 { |
| 7150 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 7151 if (!aborting()) | |
| 7152 #endif | |
| 7153 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 7154 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 7155 { |
| 7156 /* Put the text back from the save buffer. First | |
| 7157 * delete any lines that readfile() added. */ | |
| 7158 while (!bufempty()) | |
| 837 | 7159 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 7160 break; |
| 7161 (void)move_lines(savebuf, buf); | |
| 7162 } | |
| 7163 } | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
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2360
diff
changeset
|
7164 else if (buf == curbuf) /* "buf" still valid */ |
| 311 | 7165 { |
| 7166 /* Mark the buffer as unmodified and free undo info. */ | |
| 7167 unchanged(buf, TRUE); | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
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2360
diff
changeset
|
7168 if ((flags & READ_KEEP_UNDO) == 0) |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7169 { |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7170 u_blockfree(buf); |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7171 u_clearall(buf); |
|
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Add the 'undoreload' option to be able to undo a file reload.
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diff
changeset
|
7172 } |
|
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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
|
7173 else |
|
2482
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changeset
|
7174 { |
|
2394
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parents:
2360
diff
changeset
|
7175 /* 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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diff
changeset
|
7176 u_unchanged(curbuf); |
|
2482
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7177 } |
| 311 | 7178 } |
| 7179 } | |
| 7180 vim_free(ea.cmd); | |
| 7181 | |
| 837 | 7182 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 7183 wipe_buffer(savebuf, FALSE); |
| 7184 | |
| 7185 #ifdef FEAT_DIFF | |
| 7186 /* Invalidate diff info if necessary. */ | |
| 837 | 7187 diff_invalidate(curbuf); |
| 311 | 7188 #endif |
| 7189 | |
| 7190 /* Restore the topline and cursor position and check it (lines may | |
| 7191 * have been removed). */ | |
| 7192 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 7193 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 7194 else | |
| 7195 curwin->w_topline = old_topline; | |
| 7196 curwin->w_cursor = old_cursor; | |
| 7197 check_cursor(); | |
| 7198 update_topline(); | |
| 7199 #ifdef FEAT_AUTOCMD | |
| 7200 keep_filetype = FALSE; | |
| 7201 #endif | |
| 7202 #ifdef FEAT_FOLDING | |
| 7203 { | |
| 1863 | 7204 win_T *wp; |
| 7205 tabpage_T *tp; | |
| 311 | 7206 |
| 7207 /* Update folds unless they are defined manually. */ | |
| 1863 | 7208 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 7209 if (wp->w_buffer == curwin->w_buffer |
| 7210 && !foldmethodIsManual(wp)) | |
| 7211 foldUpdateAll(wp); | |
| 7212 } | |
| 7213 #endif | |
| 7214 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 7215 * value; the user probably used the ":view" command. But don't | |
| 7216 * reset it, might have had a read error. */ | |
| 7217 if (orig_mode == curbuf->b_orig_mode) | |
| 7218 curbuf->b_p_ro |= old_ro; | |
| 7219 } | |
| 7220 | |
| 7221 /* restore curwin/curbuf and a few other things */ | |
| 7222 aucmd_restbuf(&aco); | |
| 7223 /* Careful: autocommands may have made "buf" invalid! */ | |
| 7224 } | |
| 7225 | |
| 7 | 7226 void |
| 7227 buf_store_time(buf, st, fname) | |
| 7228 buf_T *buf; | |
| 7229 struct stat *st; | |
| 1877 | 7230 char_u *fname UNUSED; |
| 7 | 7231 { |
| 7232 buf->b_mtime = (long)st->st_mtime; | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
7233 buf->b_orig_size = st->st_size; |
| 7 | 7234 #ifdef HAVE_ST_MODE |
| 7235 buf->b_orig_mode = (int)st->st_mode; | |
| 7236 #else | |
| 7237 buf->b_orig_mode = mch_getperm(fname); | |
| 7238 #endif | |
| 7239 } | |
| 7240 | |
| 7241 /* | |
| 7242 * Adjust the line with missing eol, used for the next write. | |
| 7243 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 7244 */ | |
| 7245 void | |
| 7246 write_lnum_adjust(offset) | |
| 7247 linenr_T offset; | |
| 7248 { | |
| 2707 | 7249 if (curbuf->b_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7250 curbuf->b_no_eol_lnum += offset; | |
| 7 | 7251 } |
| 7252 | |
| 7253 #if defined(TEMPDIRNAMES) || defined(PROTO) | |
| 7254 static long temp_count = 0; /* Temp filename counter. */ | |
| 7255 | |
| 7256 /* | |
| 7257 * Delete the temp directory and all files it contains. | |
| 7258 */ | |
| 7259 void | |
| 7260 vim_deltempdir() | |
| 7261 { | |
| 7262 char_u **files; | |
| 7263 int file_count; | |
| 7264 int i; | |
| 7265 | |
| 7266 if (vim_tempdir != NULL) | |
| 7267 { | |
| 7268 sprintf((char *)NameBuff, "%s*", vim_tempdir); | |
| 7269 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files, | |
| 7270 EW_DIR|EW_FILE|EW_SILENT) == OK) | |
| 7271 { | |
| 7272 for (i = 0; i < file_count; ++i) | |
| 7273 mch_remove(files[i]); | |
| 7274 FreeWild(file_count, files); | |
| 7275 } | |
| 7276 gettail(NameBuff)[-1] = NUL; | |
| 7277 (void)mch_rmdir(NameBuff); | |
| 7278 | |
| 7279 vim_free(vim_tempdir); | |
| 7280 vim_tempdir = NULL; | |
| 7281 } | |
| 7282 } | |
| 7283 #endif | |
| 7284 | |
| 2006 | 7285 #ifdef TEMPDIRNAMES |
| 7 | 7286 /* |
| 1997 | 7287 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7288 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7289 * "tempdir" must be no longer than MAXPATHL. | |
| 7290 */ | |
| 7291 static void | |
| 7292 vim_settempdir(tempdir) | |
| 7293 char_u *tempdir; | |
| 7294 { | |
| 7295 char_u *buf; | |
| 7296 | |
| 7297 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7298 if (buf != NULL) | |
| 7299 { | |
| 7300 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7301 STRCPY(buf, tempdir); | |
| 7302 # ifdef __EMX__ | |
| 7303 if (vim_strchr(buf, '/') != NULL) | |
| 7304 STRCAT(buf, "/"); | |
| 7305 else | |
| 7306 # endif | |
| 7307 add_pathsep(buf); | |
| 7308 vim_tempdir = vim_strsave(buf); | |
| 7309 vim_free(buf); | |
| 7310 } | |
| 7311 } | |
| 2006 | 7312 #endif |
| 1997 | 7313 |
| 7314 /* | |
| 7 | 7315 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7316 * | |
| 7317 * The temp file is NOT created. | |
| 7318 * | |
| 7319 * The returned pointer is to allocated memory. | |
| 7320 * The returned pointer is NULL if no valid name was found. | |
| 7321 */ | |
| 7322 char_u * | |
| 7323 vim_tempname(extra_char) | |
| 1877 | 7324 int extra_char UNUSED; /* char to use in the name instead of '?' */ |
| 7 | 7325 { |
| 7326 #ifdef USE_TMPNAM | |
| 7327 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7328 #else | |
| 7329 char_u itmp[TEMPNAMELEN]; | |
| 7330 #endif | |
| 7331 | |
| 7332 #ifdef TEMPDIRNAMES | |
| 7333 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7334 int i; | |
| 7335 # ifndef EEXIST | |
| 7336 struct stat st; | |
| 7337 # endif | |
| 7338 | |
| 7339 /* | |
| 7340 * This will create a directory for private use by this instance of Vim. | |
| 7341 * This is done once, and the same directory is used for all temp files. | |
| 7342 * This method avoids security problems because of symlink attacks et al. | |
| 7343 * It's also a bit faster, because we only need to check for an existing | |
| 7344 * file when creating the directory and not for each temp file. | |
| 7345 */ | |
| 7346 if (vim_tempdir == NULL) | |
| 7347 { | |
| 7348 /* | |
| 7349 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7350 */ | |
| 1877 | 7351 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7352 { |
|
2047
85da03763130
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2028
diff
changeset
|
7353 # ifndef HAVE_MKDTEMP |
| 1997 | 7354 size_t itmplen; |
| 7355 long nr; | |
| 7356 long off; | |
| 7357 # endif | |
| 7358 | |
| 7 | 7359 /* expand $TMP, leave room for "/v1100000/999999999" */ |
| 7360 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); | |
| 7361 if (mch_isdir(itmp)) /* directory exists */ | |
| 7362 { | |
| 7363 # ifdef __EMX__ | |
| 7364 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7365 * tcsh), don't add a backslash, use a forward slash! | |
| 7366 * Adding 2 backslashes didn't work. */ | |
| 7367 if (vim_strchr(itmp, '/') != NULL) | |
| 7368 STRCAT(itmp, "/"); | |
| 7369 else | |
| 7370 # endif | |
| 7371 add_pathsep(itmp); | |
| 1997 | 7372 |
| 7373 # ifdef HAVE_MKDTEMP | |
| 7374 /* Leave room for filename */ | |
| 7375 STRCAT(itmp, "vXXXXXX"); | |
| 7376 if (mkdtemp((char *)itmp) != NULL) | |
| 7377 vim_settempdir(itmp); | |
| 7378 # else | |
| 7 | 7379 /* Get an arbitrary number of up to 6 digits. When it's |
| 7380 * unlikely that it already exists it will be faster, | |
| 7381 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7382 * security problems because of the predictable number. */ | |
| 7383 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
|
2047
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diff
changeset
|
7384 itmplen = STRLEN(itmp); |
| 7 | 7385 |
| 7386 /* Try up to 10000 different values until we find a name that | |
| 7387 * doesn't exist. */ | |
| 7388 for (off = 0; off < 10000L; ++off) | |
| 7389 { | |
| 7390 int r; | |
| 1997 | 7391 # if defined(UNIX) || defined(VMS) |
| 7 | 7392 mode_t umask_save; |
| 1997 | 7393 # endif |
| 7394 | |
| 7395 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7396 # ifndef EEXIST | |
| 7 | 7397 /* If mkdir() does not set errno to EEXIST, check for |
| 7398 * existing file here. There is a race condition then, | |
| 7399 * although it's fail-safe. */ | |
| 7400 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7401 continue; | |
| 1997 | 7402 # endif |
| 7403 # if defined(UNIX) || defined(VMS) | |
| 7 | 7404 /* Make sure the umask doesn't remove the executable bit. |
| 7405 * "repl" has been reported to use "177". */ | |
| 7406 umask_save = umask(077); | |
| 1997 | 7407 # endif |
| 7 | 7408 r = vim_mkdir(itmp, 0700); |
| 1997 | 7409 # if defined(UNIX) || defined(VMS) |
| 7 | 7410 (void)umask(umask_save); |
| 1997 | 7411 # endif |
| 7 | 7412 if (r == 0) |
| 7413 { | |
| 1997 | 7414 vim_settempdir(itmp); |
| 7 | 7415 break; |
| 7416 } | |
| 1997 | 7417 # ifdef EEXIST |
| 7 | 7418 /* If the mkdir() didn't fail because the file/dir exists, |
| 7419 * we probably can't create any dir here, try another | |
| 7420 * place. */ | |
| 7421 if (errno != EEXIST) | |
| 1997 | 7422 # endif |
| 7 | 7423 break; |
| 7424 } | |
| 1997 | 7425 # endif /* HAVE_MKDTEMP */ |
| 7 | 7426 if (vim_tempdir != NULL) |
| 7427 break; | |
| 7428 } | |
| 7429 } | |
| 7430 } | |
| 7431 | |
| 7432 if (vim_tempdir != NULL) | |
| 7433 { | |
| 7434 /* There is no need to check if the file exists, because we own the | |
| 7435 * directory and nobody else creates a file in it. */ | |
| 7436 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7437 return vim_strsave(itmp); | |
| 7438 } | |
| 7439 | |
| 7440 return NULL; | |
| 7441 | |
| 7442 #else /* TEMPDIRNAMES */ | |
| 7443 | |
| 7444 # ifdef WIN3264 | |
| 7445 char szTempFile[_MAX_PATH + 1]; | |
| 7446 char buf4[4]; | |
| 7447 char_u *retval; | |
| 7448 char_u *p; | |
| 7449 | |
| 7450 STRCPY(itmp, ""); | |
| 7451 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 2695 | 7452 { |
| 7453 szTempFile[0] = '.'; /* GetTempPath() failed, use current dir */ | |
| 7454 szTempFile[1] = NUL; | |
| 7455 } | |
| 7 | 7456 strcpy(buf4, "VIM"); |
| 7457 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
| 7458 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0) | |
| 7459 return NULL; | |
| 7460 /* GetTempFileName() will create the file, we don't want that */ | |
| 7461 (void)DeleteFile(itmp); | |
| 7462 | |
| 7463 /* Backslashes in a temp file name cause problems when filtering with | |
| 7464 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7465 * didn't set 'shellslash'. */ | |
| 7466 retval = vim_strsave(itmp); | |
| 7467 if (*p_shcf == '-' || p_ssl) | |
| 7468 for (p = retval; *p; ++p) | |
| 7469 if (*p == '\\') | |
| 7470 *p = '/'; | |
| 7471 return retval; | |
| 7472 | |
| 7473 # else /* WIN3264 */ | |
| 7474 | |
| 7475 # ifdef USE_TMPNAM | |
| 2697 | 7476 char_u *p; |
| 7477 | |
| 7 | 7478 /* tmpnam() will make its own name */ |
| 2697 | 7479 p = tmpnam((char *)itmp); |
| 7480 if (p == NULL || *p == NUL) | |
| 7 | 7481 return NULL; |
| 7482 # else | |
| 7483 char_u *p; | |
| 7484 | |
| 7485 # ifdef VMS_TEMPNAM | |
| 7486 /* mktemp() is not working on VMS. It seems to be | |
| 7487 * a do-nothing function. Therefore we use tempnam(). | |
| 7488 */ | |
| 7489 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7490 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7491 if (p != NULL) | |
| 7492 { | |
| 7493 /* VMS will use '.LOG' if we don't explicitly specify an extension, | |
| 7494 * and VIM will then be unable to find the file later */ | |
| 7495 STRCPY(itmp, p); | |
| 7496 STRCAT(itmp, ".txt"); | |
| 7497 free(p); | |
| 7498 } | |
| 7499 else | |
| 7500 return NULL; | |
| 7501 # else | |
| 7502 STRCPY(itmp, TEMPNAME); | |
| 7503 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7504 *p = extra_char; | |
| 7505 if (mktemp((char *)itmp) == NULL) | |
| 7506 return NULL; | |
| 7507 # endif | |
| 7508 # endif | |
| 7509 | |
| 7510 return vim_strsave(itmp); | |
| 7511 # endif /* WIN3264 */ | |
| 7512 #endif /* TEMPDIRNAMES */ | |
| 7513 } | |
| 7514 | |
| 7515 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7516 /* | |
| 7517 * Convert all backslashes in fname to forward slashes in-place. | |
| 7518 */ | |
| 7519 void | |
| 7520 forward_slash(fname) | |
| 7521 char_u *fname; | |
| 7522 { | |
| 7523 char_u *p; | |
| 7524 | |
| 7525 for (p = fname; *p != NUL; ++p) | |
| 7526 # ifdef FEAT_MBYTE | |
| 7527 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7528 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7529 ++p; |
| 7530 else | |
| 7531 # endif | |
| 7532 if (*p == '\\') | |
| 7533 *p = '/'; | |
| 7534 } | |
| 7535 #endif | |
| 7536 | |
| 7537 | |
| 7538 /* | |
| 7539 * Code for automatic commands. | |
| 7540 * | |
| 7541 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7542 */ | |
| 7543 | |
| 7544 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7545 | |
| 7546 /* | |
| 7547 * The autocommands are stored in a list for each event. | |
| 7548 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7549 * together, to avoid having to match the pattern too often. | |
| 7550 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7551 * | |
| 7552 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7553 * Autopat.cmds Autopat.cmds | |
| 7554 * | | | |
| 7555 * V V | |
| 7556 * AutoCmd.next AutoCmd.next | |
| 7557 * | | | |
| 7558 * V V | |
| 7559 * AutoCmd.next NULL | |
| 7560 * | | |
| 7561 * V | |
| 7562 * NULL | |
| 7563 * | |
| 7564 * first_autopat[1] --> Autopat.next --> NULL | |
| 7565 * Autopat.cmds | |
| 7566 * | | |
| 7567 * V | |
| 7568 * AutoCmd.next | |
| 7569 * | | |
| 7570 * V | |
| 7571 * NULL | |
| 7572 * etc. | |
| 7573 * | |
| 7574 * The order of AutoCmds is important, this is the order in which they were | |
| 7575 * defined and will have to be executed. | |
| 7576 */ | |
| 7577 typedef struct AutoCmd | |
| 7578 { | |
| 7579 char_u *cmd; /* The command to be executed (NULL | |
| 7580 when command has been removed) */ | |
| 7581 char nested; /* If autocommands nest here */ | |
| 7582 char last; /* last command in list */ | |
| 7583 #ifdef FEAT_EVAL | |
| 7584 scid_T scriptID; /* script ID where defined */ | |
| 7585 #endif | |
| 7586 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7587 } AutoCmd; | |
| 7588 | |
| 7589 typedef struct AutoPat | |
| 7590 { | |
| 7591 int group; /* group ID */ | |
| 7592 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7593 has been removed) */ | |
| 7594 int patlen; /* strlen() of pat */ | |
| 153 | 7595 regprog_T *reg_prog; /* compiled regprog for pattern */ |
| 7 | 7596 char allow_dirs; /* Pattern may match whole path */ |
| 7597 char last; /* last pattern for apply_autocmds() */ | |
| 7598 AutoCmd *cmds; /* list of commands to do */ | |
| 7599 struct AutoPat *next; /* next AutoPat in AutoPat list */ | |
| 40 | 7600 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7601 } AutoPat; |
| 7602 | |
| 7603 static struct event_name | |
| 7604 { | |
| 7605 char *name; /* event name */ | |
| 661 | 7606 event_T event; /* event number */ |
| 7 | 7607 } event_names[] = |
| 7608 { | |
| 7609 {"BufAdd", EVENT_BUFADD}, | |
| 7610 {"BufCreate", EVENT_BUFADD}, | |
| 7611 {"BufDelete", EVENT_BUFDELETE}, | |
| 7612 {"BufEnter", EVENT_BUFENTER}, | |
| 7613 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7614 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7615 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7616 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7617 {"BufNew", EVENT_BUFNEW}, | |
| 7618 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7619 {"BufRead", EVENT_BUFREADPOST}, | |
| 7620 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7621 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7622 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7623 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7624 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7625 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7626 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7627 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7628 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7629 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7630 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7631 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7632 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 12 | 7633 {"ColorScheme", EVENT_COLORSCHEME}, |
| 661 | 7634 {"CursorHold", EVENT_CURSORHOLD}, |
| 7635 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7636 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7637 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7638 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7639 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7640 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7641 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7642 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7643 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7644 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7645 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7646 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7647 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7648 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7649 {"FileType", EVENT_FILETYPE}, | |
| 7650 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7651 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7652 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7653 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7654 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7655 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7656 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7657 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7658 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7659 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7660 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7661 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7662 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7663 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7664 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 2845 | 7665 {"InsertCharPre", EVENT_INSERTCHARPRE}, |
| 434 | 7666 {"MenuPopup", EVENT_MENUPOPUP}, |
| 161 | 7667 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7668 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 7 | 7669 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7670 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7671 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7672 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7673 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7674 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7675 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7676 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7677 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7678 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7679 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7680 {"TabEnter", EVENT_TABENTER}, |
| 7681 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7682 {"TermChanged", EVENT_TERMCHANGED}, |
| 7683 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 7684 {"User", EVENT_USER}, | |
| 7685 {"VimEnter", EVENT_VIMENTER}, | |
| 7686 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7687 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7688 {"WinEnter", EVENT_WINENTER}, | |
| 7689 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7690 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7691 {NULL, (event_T)0} |
| 7 | 7692 }; |
| 7693 | |
| 7694 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7695 { | |
| 7696 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7697 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7698 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7699 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7700 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 7701 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL | |
| 7 | 7702 }; |
| 7703 | |
| 7704 /* | |
| 7705 * struct used to keep status while executing autocommands for an event. | |
| 7706 */ | |
| 7707 typedef struct AutoPatCmd | |
| 7708 { | |
| 7709 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7710 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7711 int group; /* group being used */ | |
| 7712 char_u *fname; /* fname to match with */ | |
| 7713 char_u *sfname; /* sfname to match with */ | |
| 7714 char_u *tail; /* tail of fname */ | |
| 661 | 7715 event_T event; /* current event */ |
| 40 | 7716 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7717 buf is deleted */ | |
| 7718 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7719 } AutoPatCmd; |
| 7720 | |
| 297 | 7721 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7722 |
| 7 | 7723 /* |
| 7724 * augroups stores a list of autocmd group names. | |
| 7725 */ | |
| 297 | 7726 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7727 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7728 | |
| 7729 /* | |
| 7730 * The ID of the current group. Group 0 is the default one. | |
| 7731 */ | |
| 7732 static int current_augroup = AUGROUP_DEFAULT; | |
| 7733 | |
| 7734 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7735 | |
| 661 | 7736 static void show_autocmd __ARGS((AutoPat *ap, event_T event)); |
| 7 | 7737 static void au_remove_pat __ARGS((AutoPat *ap)); |
| 7738 static void au_remove_cmds __ARGS((AutoPat *ap)); | |
| 7739 static void au_cleanup __ARGS((void)); | |
| 7740 static int au_new_group __ARGS((char_u *name)); | |
| 7741 static void au_del_group __ARGS((char_u *name)); | |
| 661 | 7742 static event_T event_name2nr __ARGS((char_u *start, char_u **end)); |
| 7743 static char_u *event_nr2name __ARGS((event_T event)); | |
| 7 | 7744 static char_u *find_end_event __ARGS((char_u *arg, int have_group)); |
| 661 | 7745 static int event_ignored __ARGS((event_T event)); |
| 7 | 7746 static int au_get_grouparg __ARGS((char_u **argp)); |
| 661 | 7747 static int do_autocmd_event __ARGS((event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group)); |
| 7 | 7748 static char_u *getnextac __ARGS((int c, void *cookie, int indent)); |
| 661 | 7749 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 | 7750 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last)); |
| 7751 | |
| 40 | 7752 |
| 661 | 7753 static event_T last_event; |
| 7 | 7754 static int last_group; |
| 1410 | 7755 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7756 |
| 7757 /* | |
| 7758 * Show the autocommands for one AutoPat. | |
| 7759 */ | |
| 7760 static void | |
| 7761 show_autocmd(ap, event) | |
| 7762 AutoPat *ap; | |
| 661 | 7763 event_T event; |
| 7 | 7764 { |
| 7765 AutoCmd *ac; | |
| 7766 | |
| 7767 /* Check for "got_int" (here and at various places below), which is set | |
| 7768 * when "q" has been hit for the "--more--" prompt */ | |
| 7769 if (got_int) | |
| 7770 return; | |
| 7771 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7772 return; | |
| 7773 | |
| 7774 msg_putchar('\n'); | |
| 7775 if (got_int) | |
| 7776 return; | |
| 7777 if (event != last_event || ap->group != last_group) | |
| 7778 { | |
| 7779 if (ap->group != AUGROUP_DEFAULT) | |
| 7780 { | |
| 7781 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7782 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7783 else | |
| 7784 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7785 msg_puts((char_u *)" "); | |
| 7786 } | |
| 7787 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7788 last_event = event; | |
| 7789 last_group = ap->group; | |
| 7790 msg_putchar('\n'); | |
| 7791 if (got_int) | |
| 7792 return; | |
| 7793 } | |
| 7794 msg_col = 4; | |
| 7795 msg_outtrans(ap->pat); | |
| 7796 | |
| 7797 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7798 { | |
| 7799 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7800 { | |
| 7801 if (msg_col >= 14) | |
| 7802 msg_putchar('\n'); | |
| 7803 msg_col = 14; | |
| 7804 if (got_int) | |
| 7805 return; | |
| 7806 msg_outtrans(ac->cmd); | |
| 500 | 7807 #ifdef FEAT_EVAL |
| 7808 if (p_verbose > 0) | |
| 7809 last_set_msg(ac->scriptID); | |
| 7810 #endif | |
| 7 | 7811 if (got_int) |
| 7812 return; | |
| 7813 if (ac->next != NULL) | |
| 7814 { | |
| 7815 msg_putchar('\n'); | |
| 7816 if (got_int) | |
| 7817 return; | |
| 7818 } | |
| 7819 } | |
| 7820 } | |
| 7821 } | |
| 7822 | |
| 7823 /* | |
| 7824 * Mark an autocommand pattern for deletion. | |
| 7825 */ | |
| 7826 static void | |
| 7827 au_remove_pat(ap) | |
| 7828 AutoPat *ap; | |
| 7829 { | |
| 7830 vim_free(ap->pat); | |
| 7831 ap->pat = NULL; | |
| 40 | 7832 ap->buflocal_nr = -1; |
| 7 | 7833 au_need_clean = TRUE; |
| 7834 } | |
| 7835 | |
| 7836 /* | |
| 7837 * Mark all commands for a pattern for deletion. | |
| 7838 */ | |
| 7839 static void | |
| 7840 au_remove_cmds(ap) | |
| 7841 AutoPat *ap; | |
| 7842 { | |
| 7843 AutoCmd *ac; | |
| 7844 | |
| 7845 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7846 { | |
| 7847 vim_free(ac->cmd); | |
| 7848 ac->cmd = NULL; | |
| 7849 } | |
| 7850 au_need_clean = TRUE; | |
| 7851 } | |
| 7852 | |
| 7853 /* | |
| 7854 * Cleanup autocommands and patterns that have been deleted. | |
| 7855 * This is only done when not executing autocommands. | |
| 7856 */ | |
| 7857 static void | |
| 7858 au_cleanup() | |
| 7859 { | |
| 7860 AutoPat *ap, **prev_ap; | |
| 7861 AutoCmd *ac, **prev_ac; | |
| 661 | 7862 event_T event; |
| 7 | 7863 |
| 7864 if (autocmd_busy || !au_need_clean) | |
| 7865 return; | |
| 7866 | |
| 7867 /* loop over all events */ | |
| 661 | 7868 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7869 event = (event_T)((int)event + 1)) | |
| 7 | 7870 { |
| 7871 /* loop over all autocommand patterns */ | |
| 7872 prev_ap = &(first_autopat[(int)event]); | |
| 7873 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7874 { | |
| 7875 /* loop over all commands for this pattern */ | |
| 7876 prev_ac = &(ap->cmds); | |
| 7877 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7878 { | |
| 7879 /* remove the command if the pattern is to be deleted or when | |
| 7880 * the command has been marked for deletion */ | |
| 7881 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7882 { | |
| 7883 *prev_ac = ac->next; | |
| 7884 vim_free(ac->cmd); | |
| 7885 vim_free(ac); | |
| 7886 } | |
| 7887 else | |
| 7888 prev_ac = &(ac->next); | |
| 7889 } | |
| 7890 | |
| 7891 /* remove the pattern if it has been marked for deletion */ | |
| 7892 if (ap->pat == NULL) | |
| 7893 { | |
| 7894 *prev_ap = ap->next; | |
| 153 | 7895 vim_free(ap->reg_prog); |
| 7 | 7896 vim_free(ap); |
| 7897 } | |
| 7898 else | |
| 7899 prev_ap = &(ap->next); | |
| 7900 } | |
| 7901 } | |
| 7902 | |
| 7903 au_need_clean = FALSE; | |
| 7904 } | |
| 7905 | |
| 7906 /* | |
| 40 | 7907 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7908 * autocmds. | |
| 7909 */ | |
| 7910 void | |
| 7911 aubuflocal_remove(buf) | |
| 7912 buf_T *buf; | |
| 7913 { | |
| 7914 AutoPat *ap; | |
| 661 | 7915 event_T event; |
| 40 | 7916 AutoPatCmd *apc; |
| 7917 | |
| 7918 /* invalidate currently executing autocommands */ | |
| 7919 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7920 if (buf->b_fnum == apc->arg_bufnr) | |
| 7921 apc->arg_bufnr = 0; | |
| 7922 | |
| 7923 /* invalidate buflocals looping through events */ | |
| 661 | 7924 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7925 event = (event_T)((int)event + 1)) | |
| 40 | 7926 /* loop over all autocommand patterns */ |
| 7927 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7928 if (ap->buflocal_nr == buf->b_fnum) | |
| 7929 { | |
| 7930 au_remove_pat(ap); | |
| 7931 if (p_verbose >= 6) | |
| 292 | 7932 { |
| 7933 verbose_enter(); | |
| 40 | 7934 smsg((char_u *) |
| 7935 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7936 event_nr2name(event), buf->b_fnum); | |
| 292 | 7937 verbose_leave(); |
| 7938 } | |
| 40 | 7939 } |
| 7940 au_cleanup(); | |
| 7941 } | |
| 7942 | |
| 7943 /* | |
| 7 | 7944 * Add an autocmd group name. |
| 7945 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7946 */ | |
| 7947 static int | |
| 7948 au_new_group(name) | |
| 7949 char_u *name; | |
| 7950 { | |
| 7951 int i; | |
| 7952 | |
| 7953 i = au_find_group(name); | |
| 7954 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7955 { | |
| 7956 /* First try using a free entry. */ | |
| 7957 for (i = 0; i < augroups.ga_len; ++i) | |
| 7958 if (AUGROUP_NAME(i) == NULL) | |
| 7959 break; | |
| 7960 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 7961 return AUGROUP_ERROR; | |
| 7962 | |
| 7963 AUGROUP_NAME(i) = vim_strsave(name); | |
| 7964 if (AUGROUP_NAME(i) == NULL) | |
| 7965 return AUGROUP_ERROR; | |
| 7966 if (i == augroups.ga_len) | |
| 7967 ++augroups.ga_len; | |
| 7968 } | |
| 7969 | |
| 7970 return i; | |
| 7971 } | |
| 7972 | |
| 7973 static void | |
| 7974 au_del_group(name) | |
| 7975 char_u *name; | |
| 7976 { | |
| 7977 int i; | |
| 7978 | |
| 7979 i = au_find_group(name); | |
| 7980 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 7981 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 7982 else | |
| 7983 { | |
| 7984 vim_free(AUGROUP_NAME(i)); | |
| 7985 AUGROUP_NAME(i) = NULL; | |
| 7986 } | |
| 7987 } | |
| 7988 | |
| 7989 /* | |
| 7990 * Find the ID of an autocmd group name. | |
| 7991 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7992 */ | |
| 7993 static int | |
| 7994 au_find_group(name) | |
| 7995 char_u *name; | |
| 7996 { | |
| 7997 int i; | |
| 7998 | |
| 7999 for (i = 0; i < augroups.ga_len; ++i) | |
| 8000 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 8001 return i; | |
| 8002 return AUGROUP_ERROR; | |
| 8003 } | |
| 8004 | |
| 461 | 8005 /* |
| 8006 * Return TRUE if augroup "name" exists. | |
| 8007 */ | |
| 8008 int | |
| 8009 au_has_group(name) | |
| 8010 char_u *name; | |
| 8011 { | |
| 8012 return au_find_group(name) != AUGROUP_ERROR; | |
| 8013 } | |
| 8014 | |
| 7 | 8015 /* |
| 8016 * ":augroup {name}". | |
| 8017 */ | |
| 8018 void | |
| 8019 do_augroup(arg, del_group) | |
| 8020 char_u *arg; | |
| 8021 int del_group; | |
| 8022 { | |
| 8023 int i; | |
| 8024 | |
| 8025 if (del_group) | |
| 8026 { | |
| 8027 if (*arg == NUL) | |
| 8028 EMSG(_(e_argreq)); | |
| 8029 else | |
| 8030 au_del_group(arg); | |
| 8031 } | |
| 8032 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 8033 current_augroup = AUGROUP_DEFAULT; | |
| 8034 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 8035 { | |
| 8036 i = au_new_group(arg); | |
| 8037 if (i != AUGROUP_ERROR) | |
| 8038 current_augroup = i; | |
| 8039 } | |
| 8040 else /* ":aug": list the group names */ | |
| 8041 { | |
| 8042 msg_start(); | |
| 8043 for (i = 0; i < augroups.ga_len; ++i) | |
| 8044 { | |
| 8045 if (AUGROUP_NAME(i) != NULL) | |
| 8046 { | |
| 8047 msg_puts(AUGROUP_NAME(i)); | |
| 8048 msg_puts((char_u *)" "); | |
| 8049 } | |
| 8050 } | |
| 8051 msg_clr_eos(); | |
| 8052 msg_end(); | |
| 8053 } | |
| 8054 } | |
| 8055 | |
| 355 | 8056 #if defined(EXITFREE) || defined(PROTO) |
| 8057 void | |
| 8058 free_all_autocmds() | |
| 8059 { | |
| 8060 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 8061 ++current_augroup) | |
| 8062 do_autocmd((char_u *)"", TRUE); | |
| 8063 ga_clear_strings(&augroups); | |
| 8064 } | |
| 8065 #endif | |
| 8066 | |
| 7 | 8067 /* |
| 8068 * Return the event number for event name "start". | |
| 8069 * Return NUM_EVENTS if the event name was not found. | |
| 8070 * Return a pointer to the next event name in "end". | |
| 8071 */ | |
| 661 | 8072 static event_T |
| 7 | 8073 event_name2nr(start, end) |
| 8074 char_u *start; | |
| 8075 char_u **end; | |
| 8076 { | |
| 8077 char_u *p; | |
| 8078 int i; | |
| 8079 int len; | |
| 8080 | |
| 8081 /* the event name ends with end of line, a blank or a comma */ | |
| 8082 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 8083 ; | |
| 8084 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8085 { | |
| 8086 len = (int)STRLEN(event_names[i].name); | |
| 8087 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 8088 break; | |
| 8089 } | |
| 8090 if (*p == ',') | |
| 8091 ++p; | |
| 8092 *end = p; | |
| 8093 if (event_names[i].name == NULL) | |
| 8094 return NUM_EVENTS; | |
| 8095 return event_names[i].event; | |
| 8096 } | |
| 8097 | |
| 8098 /* | |
| 8099 * Return the name for event "event". | |
| 8100 */ | |
| 8101 static char_u * | |
| 8102 event_nr2name(event) | |
| 661 | 8103 event_T event; |
| 7 | 8104 { |
| 8105 int i; | |
| 8106 | |
| 8107 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8108 if (event_names[i].event == event) | |
| 8109 return (char_u *)event_names[i].name; | |
| 8110 return (char_u *)"Unknown"; | |
| 8111 } | |
| 8112 | |
| 8113 /* | |
| 8114 * Scan over the events. "*" stands for all events. | |
| 8115 */ | |
| 8116 static char_u * | |
| 8117 find_end_event(arg, have_group) | |
| 8118 char_u *arg; | |
| 8119 int have_group; /* TRUE when group name was found */ | |
| 8120 { | |
| 8121 char_u *pat; | |
| 8122 char_u *p; | |
| 8123 | |
| 8124 if (*arg == '*') | |
| 8125 { | |
| 8126 if (arg[1] && !vim_iswhite(arg[1])) | |
| 8127 { | |
| 8128 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 8129 return NULL; | |
| 8130 } | |
| 8131 pat = arg + 1; | |
| 8132 } | |
| 8133 else | |
| 8134 { | |
| 8135 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 8136 { | |
| 8137 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 8138 { | |
| 8139 if (have_group) | |
| 8140 EMSG2(_("E216: No such event: %s"), pat); | |
| 8141 else | |
| 8142 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 8143 return NULL; | |
| 8144 } | |
| 8145 } | |
| 8146 } | |
| 8147 return pat; | |
| 8148 } | |
| 8149 | |
| 8150 /* | |
| 8151 * Return TRUE if "event" is included in 'eventignore'. | |
| 8152 */ | |
| 8153 static int | |
| 8154 event_ignored(event) | |
| 661 | 8155 event_T event; |
| 7 | 8156 { |
| 8157 char_u *p = p_ei; | |
| 8158 | |
| 844 | 8159 while (*p != NUL) |
| 8160 { | |
| 8161 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8162 return TRUE; | |
| 7 | 8163 if (event_name2nr(p, &p) == event) |
| 8164 return TRUE; | |
| 844 | 8165 } |
| 7 | 8166 |
| 8167 return FALSE; | |
| 8168 } | |
| 8169 | |
| 8170 /* | |
| 8171 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 8172 */ | |
| 8173 int | |
| 8174 check_ei() | |
| 8175 { | |
| 8176 char_u *p = p_ei; | |
| 8177 | |
| 8178 while (*p) | |
| 844 | 8179 { |
| 8180 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8181 { | |
| 8182 p += 3; | |
| 8183 if (*p == ',') | |
| 8184 ++p; | |
| 8185 } | |
| 8186 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 8187 return FAIL; |
| 844 | 8188 } |
| 7 | 8189 |
| 8190 return OK; | |
| 8191 } | |
| 8192 | |
| 123 | 8193 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 8194 | |
| 8195 /* | |
| 8196 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 8197 * buffer loaded into the window. "what" must start with a comma. | |
| 8198 * Returns the old value of 'eventignore' in allocated memory. | |
| 8199 */ | |
| 8200 char_u * | |
| 8201 au_event_disable(what) | |
| 8202 char *what; | |
| 8203 { | |
| 8204 char_u *new_ei; | |
| 8205 char_u *save_ei; | |
| 8206 | |
| 8207 save_ei = vim_strsave(p_ei); | |
| 8208 if (save_ei != NULL) | |
| 8209 { | |
| 557 | 8210 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 8211 if (new_ei != NULL) |
| 8212 { | |
|
2095
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8213 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8214 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8215 else |
|
8aa3cd045aef
updated for version 7.2.379
Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8216 STRCAT(new_ei, what); |
| 694 | 8217 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 8218 OPT_FREE, SID_NONE); | |
| 123 | 8219 vim_free(new_ei); |
| 8220 } | |
| 8221 } | |
| 8222 return save_ei; | |
| 8223 } | |
| 8224 | |
| 8225 void | |
| 8226 au_event_restore(old_ei) | |
| 8227 char_u *old_ei; | |
| 8228 { | |
| 8229 if (old_ei != NULL) | |
| 8230 { | |
| 694 | 8231 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 8232 OPT_FREE, SID_NONE); | |
| 123 | 8233 vim_free(old_ei); |
| 8234 } | |
| 8235 } | |
| 8236 # endif /* FEAT_SYN_HL */ | |
| 8237 | |
| 7 | 8238 /* |
| 8239 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 8240 * following ways: | |
| 8241 * | |
| 8242 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 8243 * will be automatically executed for <event> | |
| 8244 * when editing a file matching <pat>, in | |
| 8245 * the current group. | |
| 8246 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 8247 * <event> and <pat>. | |
| 8248 * :autocmd <event> Show the auto-commands associated with | |
| 8249 * <event>. | |
| 8250 * :autocmd Show all auto-commands. | |
| 8251 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 8252 * <event> and <pat>, and add the command | |
| 8253 * <cmd>, for the current group. | |
| 8254 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 8255 * <event> and <pat> for the current group. | |
| 8256 * :autocmd! <event> Remove all auto-commands associated with | |
| 8257 * <event> for the current group. | |
| 8258 * :autocmd! Remove ALL auto-commands for the current | |
| 8259 * group. | |
| 8260 * | |
| 8261 * Multiple events and patterns may be given separated by commas. Here are | |
| 8262 * some examples: | |
| 8263 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 8264 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 8265 * | |
| 8266 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 8267 * |
| 8268 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 8269 */ |
| 8270 void | |
| 8271 do_autocmd(arg, forceit) | |
| 8272 char_u *arg; | |
| 8273 int forceit; | |
| 8274 { | |
| 8275 char_u *pat; | |
| 8276 char_u *envpat = NULL; | |
| 8277 char_u *cmd; | |
| 661 | 8278 event_T event; |
| 7 | 8279 int need_free = FALSE; |
| 8280 int nested = FALSE; | |
| 8281 int group; | |
| 8282 | |
| 8283 /* | |
| 8284 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8285 */ | |
| 8286 group = au_get_grouparg(&arg); | |
| 8287 if (arg == NULL) /* out of memory */ | |
| 8288 return; | |
| 8289 | |
| 8290 /* | |
| 8291 * Scan over the events. | |
| 8292 * If we find an illegal name, return here, don't do anything. | |
| 8293 */ | |
| 8294 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8295 if (pat == NULL) | |
| 8296 return; | |
| 8297 | |
| 8298 /* | |
| 8299 * Scan over the pattern. Put a NUL at the end. | |
| 8300 */ | |
| 8301 pat = skipwhite(pat); | |
| 8302 cmd = pat; | |
| 8303 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8304 cmd++; | |
| 8305 if (*cmd) | |
| 8306 *cmd++ = NUL; | |
| 8307 | |
| 8308 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8309 * forward slashes here. */ | |
| 8310 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8311 { | |
| 8312 #ifdef BACKSLASH_IN_FILENAME | |
| 8313 int p_ssl_save = p_ssl; | |
| 8314 | |
| 8315 p_ssl = TRUE; | |
| 8316 #endif | |
| 8317 envpat = expand_env_save(pat); | |
| 8318 #ifdef BACKSLASH_IN_FILENAME | |
| 8319 p_ssl = p_ssl_save; | |
| 8320 #endif | |
| 8321 if (envpat != NULL) | |
| 8322 pat = envpat; | |
| 8323 } | |
| 8324 | |
| 8325 /* | |
| 8326 * Check for "nested" flag. | |
| 8327 */ | |
| 8328 cmd = skipwhite(cmd); | |
| 8329 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8330 { | |
| 8331 nested = TRUE; | |
| 8332 cmd = skipwhite(cmd + 6); | |
| 8333 } | |
| 8334 | |
| 8335 /* | |
| 8336 * Find the start of the commands. | |
| 8337 * Expand <sfile> in it. | |
| 8338 */ | |
| 8339 if (*cmd != NUL) | |
| 8340 { | |
| 8341 cmd = expand_sfile(cmd); | |
| 8342 if (cmd == NULL) /* some error */ | |
| 8343 return; | |
| 8344 need_free = TRUE; | |
| 8345 } | |
| 8346 | |
| 8347 /* | |
| 8348 * Print header when showing autocommands. | |
| 8349 */ | |
| 8350 if (!forceit && *cmd == NUL) | |
| 8351 { | |
| 8352 /* Highlight title */ | |
| 8353 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8354 } | |
| 8355 | |
| 8356 /* | |
| 8357 * Loop over the events. | |
| 8358 */ | |
| 661 | 8359 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8360 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8361 if (*arg == '*' || *arg == NUL) | |
| 8362 { | |
| 661 | 8363 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8364 event = (event_T)((int)event + 1)) | |
| 7 | 8365 if (do_autocmd_event(event, pat, |
| 8366 nested, cmd, forceit, group) == FAIL) | |
| 8367 break; | |
| 8368 } | |
| 8369 else | |
| 8370 { | |
| 8371 while (*arg && !vim_iswhite(*arg)) | |
| 8372 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8373 nested, cmd, forceit, group) == FAIL) | |
| 8374 break; | |
| 8375 } | |
| 8376 | |
| 8377 if (need_free) | |
| 8378 vim_free(cmd); | |
| 8379 vim_free(envpat); | |
| 8380 } | |
| 8381 | |
| 8382 /* | |
| 8383 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8384 * The "argp" argument is advanced to the following argument. | |
| 8385 * | |
| 8386 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8387 */ | |
| 8388 static int | |
| 8389 au_get_grouparg(argp) | |
| 8390 char_u **argp; | |
| 8391 { | |
| 8392 char_u *group_name; | |
| 8393 char_u *p; | |
| 8394 char_u *arg = *argp; | |
| 8395 int group = AUGROUP_ALL; | |
| 8396 | |
| 8397 p = skiptowhite(arg); | |
| 8398 if (p > arg) | |
| 8399 { | |
| 8400 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8401 if (group_name == NULL) /* out of memory */ | |
| 8402 return AUGROUP_ERROR; | |
| 8403 group = au_find_group(group_name); | |
| 8404 if (group == AUGROUP_ERROR) | |
| 8405 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8406 else | |
| 8407 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8408 vim_free(group_name); | |
| 8409 } | |
| 8410 return group; | |
| 8411 } | |
| 8412 | |
| 8413 /* | |
| 8414 * do_autocmd() for one event. | |
| 8415 * If *pat == NUL do for all patterns. | |
| 8416 * If *cmd == NUL show entries. | |
| 8417 * If forceit == TRUE delete entries. | |
| 8418 * If group is not AUGROUP_ALL, only use this group. | |
| 8419 */ | |
| 8420 static int | |
| 8421 do_autocmd_event(event, pat, nested, cmd, forceit, group) | |
| 661 | 8422 event_T event; |
| 7 | 8423 char_u *pat; |
| 8424 int nested; | |
| 8425 char_u *cmd; | |
| 8426 int forceit; | |
| 8427 int group; | |
| 8428 { | |
| 8429 AutoPat *ap; | |
| 8430 AutoPat **prev_ap; | |
| 8431 AutoCmd *ac; | |
| 8432 AutoCmd **prev_ac; | |
| 8433 int brace_level; | |
| 8434 char_u *endpat; | |
| 8435 int findgroup; | |
| 8436 int allgroups; | |
| 8437 int patlen; | |
| 856 | 8438 int is_buflocal; |
| 40 | 8439 int buflocal_nr; |
| 8440 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8441 |
| 8442 if (group == AUGROUP_ALL) | |
| 8443 findgroup = current_augroup; | |
| 8444 else | |
| 8445 findgroup = group; | |
| 8446 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8447 | |
| 8448 /* | |
| 8449 * Show or delete all patterns for an event. | |
| 8450 */ | |
| 8451 if (*pat == NUL) | |
| 8452 { | |
| 8453 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8454 { | |
| 8455 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8456 { | |
| 8457 if (ap->group == findgroup) | |
| 8458 au_remove_pat(ap); | |
| 8459 } | |
| 8460 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8461 show_autocmd(ap, event); | |
| 8462 } | |
| 8463 } | |
| 8464 | |
| 8465 /* | |
| 8466 * Loop through all the specified patterns. | |
| 8467 */ | |
| 8468 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8469 { | |
| 8470 /* | |
| 8471 * Find end of the pattern. | |
| 8472 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8473 */ | |
| 8474 brace_level = 0; | |
| 8475 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 8476 || endpat[-1] == '\\'); ++endpat) | |
| 8477 { | |
| 8478 if (*endpat == '{') | |
| 8479 brace_level++; | |
| 8480 else if (*endpat == '}') | |
| 8481 brace_level--; | |
| 8482 } | |
| 8483 if (pat == endpat) /* ignore single comma */ | |
| 8484 continue; | |
| 8485 patlen = (int)(endpat - pat); | |
| 8486 | |
| 8487 /* | |
| 40 | 8488 * detect special <buflocal[=X]> buffer-local patterns |
| 8489 */ | |
| 8490 is_buflocal = FALSE; | |
| 8491 buflocal_nr = 0; | |
| 8492 | |
| 8493 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0 | |
| 8494 && pat[patlen - 1] == '>') | |
| 8495 { | |
| 8496 /* Error will be printed only for addition. printing and removing | |
| 8497 * will proceed silently. */ | |
| 8498 is_buflocal = TRUE; | |
| 8499 if (patlen == 8) | |
| 8500 buflocal_nr = curbuf->b_fnum; | |
| 8501 else if (patlen > 9 && pat[7] == '=') | |
| 8502 { | |
| 8503 /* <buffer=abuf> */ | |
| 8504 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13)) | |
| 8505 buflocal_nr = autocmd_bufnr; | |
| 8506 /* <buffer=123> */ | |
| 8507 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 8508 buflocal_nr = atoi((char *)pat + 8); | |
| 8509 } | |
| 8510 } | |
| 8511 | |
| 8512 if (is_buflocal) | |
| 8513 { | |
| 8514 /* normalize pat into standard "<buffer>#N" form */ | |
| 8515 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8516 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8517 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8518 } |
| 8519 | |
| 8520 /* | |
| 7 | 8521 * Find AutoPat entries with this pattern. |
| 8522 */ | |
| 8523 prev_ap = &first_autopat[(int)event]; | |
| 8524 while ((ap = *prev_ap) != NULL) | |
| 8525 { | |
| 8526 if (ap->pat != NULL) | |
| 8527 { | |
| 8528 /* Accept a pattern when: | |
| 8529 * - a group was specified and it's that group, or a group was | |
| 8530 * not specified and it's the current group, or a group was | |
| 8531 * not specified and we are listing | |
| 8532 * - the length of the pattern matches | |
| 40 | 8533 * - the pattern matches. |
| 8534 * For <buffer[=X]>, this condition works because we normalize | |
| 8535 * all buffer-local patterns. | |
| 7 | 8536 */ |
| 8537 if ((allgroups || ap->group == findgroup) | |
| 8538 && ap->patlen == patlen | |
| 8539 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8540 { | |
| 8541 /* | |
| 8542 * Remove existing autocommands. | |
| 8543 * If adding any new autocmd's for this AutoPat, don't | |
| 8544 * delete the pattern from the autopat list, append to | |
| 8545 * this list. | |
| 8546 */ | |
| 8547 if (forceit) | |
| 8548 { | |
| 8549 if (*cmd != NUL && ap->next == NULL) | |
| 8550 { | |
| 8551 au_remove_cmds(ap); | |
| 8552 break; | |
| 8553 } | |
| 8554 au_remove_pat(ap); | |
| 8555 } | |
| 8556 | |
| 8557 /* | |
| 40 | 8558 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8559 */ |
| 8560 else if (*cmd == NUL) | |
| 8561 show_autocmd(ap, event); | |
| 8562 | |
| 8563 /* | |
| 8564 * Add autocmd to this autopat, if it's the last one. | |
| 8565 */ | |
| 8566 else if (ap->next == NULL) | |
| 8567 break; | |
| 8568 } | |
| 8569 } | |
| 8570 prev_ap = &ap->next; | |
| 8571 } | |
| 8572 | |
| 8573 /* | |
| 8574 * Add a new command. | |
| 8575 */ | |
| 8576 if (*cmd != NUL) | |
| 8577 { | |
| 8578 /* | |
| 8579 * If the pattern we want to add a command to does appear at the | |
| 8580 * end of the list (or not is not in the list at all), add the | |
| 8581 * pattern at the end of the list. | |
| 8582 */ | |
| 8583 if (ap == NULL) | |
| 8584 { | |
| 40 | 8585 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8586 if (is_buflocal && (buflocal_nr == 0 | |
| 8587 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8588 { | |
| 8589 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8590 buflocal_nr); | |
| 8591 return FAIL; | |
| 8592 } | |
| 8593 | |
| 7 | 8594 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8595 if (ap == NULL) | |
| 8596 return FAIL; | |
| 8597 ap->pat = vim_strnsave(pat, patlen); | |
| 8598 ap->patlen = patlen; | |
| 8599 if (ap->pat == NULL) | |
| 8600 { | |
| 8601 vim_free(ap); | |
| 8602 return FAIL; | |
| 8603 } | |
| 40 | 8604 |
| 8605 if (is_buflocal) | |
| 8606 { | |
| 8607 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8608 ap->reg_prog = NULL; |
| 40 | 8609 } |
| 8610 else | |
| 7 | 8611 { |
| 153 | 8612 char_u *reg_pat; |
| 8613 | |
| 40 | 8614 ap->buflocal_nr = 0; |
| 153 | 8615 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8616 &ap->allow_dirs, TRUE); |
| 153 | 8617 if (reg_pat != NULL) |
| 8618 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8619 vim_free(reg_pat); |
| 153 | 8620 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8621 { |
| 8622 vim_free(ap->pat); | |
| 8623 vim_free(ap); | |
| 8624 return FAIL; | |
| 8625 } | |
| 7 | 8626 } |
| 8627 ap->cmds = NULL; | |
| 8628 *prev_ap = ap; | |
| 8629 ap->next = NULL; | |
| 8630 if (group == AUGROUP_ALL) | |
| 8631 ap->group = current_augroup; | |
| 8632 else | |
| 8633 ap->group = group; | |
| 8634 } | |
| 8635 | |
| 8636 /* | |
| 8637 * Add the autocmd at the end of the AutoCmd list. | |
| 8638 */ | |
| 8639 prev_ac = &(ap->cmds); | |
| 8640 while ((ac = *prev_ac) != NULL) | |
| 8641 prev_ac = &ac->next; | |
| 8642 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8643 if (ac == NULL) | |
| 8644 return FAIL; | |
| 8645 ac->cmd = vim_strsave(cmd); | |
| 8646 #ifdef FEAT_EVAL | |
| 8647 ac->scriptID = current_SID; | |
| 8648 #endif | |
| 8649 if (ac->cmd == NULL) | |
| 8650 { | |
| 8651 vim_free(ac); | |
| 8652 return FAIL; | |
| 8653 } | |
| 8654 ac->next = NULL; | |
| 8655 *prev_ac = ac; | |
| 8656 ac->nested = nested; | |
| 8657 } | |
| 8658 } | |
| 8659 | |
| 8660 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8661 return OK; | |
| 8662 } | |
| 8663 | |
| 8664 /* | |
| 8665 * Implementation of ":doautocmd [group] event [fname]". | |
| 8666 * Return OK for success, FAIL for failure; | |
| 8667 */ | |
| 8668 int | |
| 8669 do_doautocmd(arg, do_msg) | |
| 8670 char_u *arg; | |
| 8671 int do_msg; /* give message for no matching autocmds? */ | |
| 8672 { | |
| 8673 char_u *fname; | |
| 8674 int nothing_done = TRUE; | |
| 8675 int group; | |
| 8676 | |
| 8677 /* | |
| 8678 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8679 */ | |
| 8680 group = au_get_grouparg(&arg); | |
| 8681 if (arg == NULL) /* out of memory */ | |
| 8682 return FAIL; | |
| 8683 | |
| 8684 if (*arg == '*') | |
| 8685 { | |
| 8686 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8687 return FAIL; | |
| 8688 } | |
| 8689 | |
| 8690 /* | |
| 8691 * Scan over the events. | |
| 8692 * If we find an illegal name, return here, don't do anything. | |
| 8693 */ | |
| 8694 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8695 if (fname == NULL) | |
| 8696 return FAIL; | |
| 8697 | |
| 8698 fname = skipwhite(fname); | |
| 8699 | |
| 8700 /* | |
| 8701 * Loop over the events. | |
| 8702 */ | |
| 8703 while (*arg && !vim_iswhite(*arg)) | |
| 8704 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8705 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8706 nothing_done = FALSE; | |
| 8707 | |
| 8708 if (nothing_done && do_msg) | |
| 8709 MSG(_("No matching autocommands")); | |
| 8710 | |
| 8711 #ifdef FEAT_EVAL | |
| 8712 return aborting() ? FAIL : OK; | |
| 8713 #else | |
| 8714 return OK; | |
| 8715 #endif | |
| 8716 } | |
| 8717 | |
| 8718 /* | |
| 8719 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8720 */ | |
| 8721 void | |
| 8722 ex_doautoall(eap) | |
| 8723 exarg_T *eap; | |
| 8724 { | |
| 8725 int retval; | |
| 8726 aco_save_T aco; | |
| 8727 buf_T *buf; | |
| 8728 | |
| 8729 /* | |
| 8730 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8731 * equal to curbuf, but for some buffers there may not be a window. | |
| 8732 * So we change the buffer for the current window for a moment. This | |
| 8733 * gives problems when the autocommands make changes to the list of | |
| 8734 * buffers or windows... | |
| 8735 */ | |
| 8736 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8737 { | |
| 1665 | 8738 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8739 { |
| 8740 /* find a window for this buffer and save some values */ | |
| 8741 aucmd_prepbuf(&aco, buf); | |
| 8742 | |
| 8743 /* execute the autocommands for this buffer */ | |
| 8744 retval = do_doautocmd(eap->arg, FALSE); | |
| 1113 | 8745 |
| 8746 /* Execute the modeline settings, but don't set window-local | |
| 8747 * options if we are using the current window for another buffer. */ | |
| 1906 | 8748 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); |
| 7 | 8749 |
| 8750 /* restore the current window */ | |
| 8751 aucmd_restbuf(&aco); | |
| 8752 | |
| 8753 /* stop if there is some error or buffer was deleted */ | |
| 8754 if (retval == FAIL || !buf_valid(buf)) | |
| 8755 break; | |
| 8756 } | |
| 8757 } | |
| 8758 | |
| 8759 check_cursor(); /* just in case lines got deleted */ | |
| 8760 } | |
| 8761 | |
| 8762 /* | |
| 8763 * Prepare for executing autocommands for (hidden) buffer "buf". | |
| 1906 | 8764 * Search for a visible window containing the current buffer. If there isn't |
| 8765 * one then use "aucmd_win". | |
| 7 | 8766 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8767 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8768 */ |
| 8769 void | |
| 8770 aucmd_prepbuf(aco, buf) | |
| 8771 aco_save_T *aco; /* structure to save values in */ | |
| 8772 buf_T *buf; /* new curbuf */ | |
| 8773 { | |
| 8774 win_T *win; | |
| 1906 | 8775 #ifdef FEAT_WINDOWS |
| 8776 int save_ea; | |
| 8777 #endif | |
| 7 | 8778 |
| 8779 /* Find a window that is for the new buffer */ | |
| 8780 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8781 win = curwin; | |
| 8782 else | |
| 8783 #ifdef FEAT_WINDOWS | |
| 8784 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8785 if (win->w_buffer == buf) | |
| 8786 break; | |
| 8787 #else | |
| 8788 win = NULL; | |
| 8789 #endif | |
| 8790 | |
| 1906 | 8791 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8792 * back to using the current window. */ | |
| 8793 if (win == NULL && aucmd_win == NULL) | |
| 8794 { | |
| 8795 win_alloc_aucmd_win(); | |
| 8796 if (aucmd_win == NULL) | |
| 8797 win = curwin; | |
| 8798 } | |
| 1944 | 8799 if (win == NULL && aucmd_win_used) |
| 8800 /* Strange recursive autocommand, fall back to using the current | |
| 8801 * window. Expect a few side effects... */ | |
| 8802 win = curwin; | |
| 1906 | 8803 |
| 8804 aco->save_curwin = curwin; | |
| 8805 aco->save_curbuf = curbuf; | |
| 7 | 8806 if (win != NULL) |
| 8807 { | |
| 1906 | 8808 /* There is a window for "buf" in the current tab page, make it the |
| 8809 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8810 * "buf" is curbuf). */ | |
| 1944 | 8811 aco->use_aucmd_win = FALSE; |
| 7 | 8812 curwin = win; |
| 8813 } | |
| 8814 else | |
| 8815 { | |
| 1906 | 8816 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 8817 * effects, insert it in a the current tab page. | |
| 8818 * Anything related to a window (e.g., setting folds) may have | |
| 8819 * unexpected results. */ | |
| 1944 | 8820 aco->use_aucmd_win = TRUE; |
| 8821 aucmd_win_used = TRUE; | |
| 1918 | 8822 aucmd_win->w_buffer = buf; |
|
2258
772bfca06c18
Fix crash when using ":grep".
Bram Moolenaar <bram@vim.org>
parents:
2244
diff
changeset
|
8823 aucmd_win->w_s = &buf->b_s; |
| 7 | 8824 ++buf->b_nwindows; |
| 1918 | 8825 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8826 vim_free(aucmd_win->w_localdir); |
| 8827 aucmd_win->w_localdir = NULL; | |
| 8828 | |
| 8829 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8830 * win_enter_ext(). */ | |
| 8831 aucmd_win->w_localdir = NULL; | |
| 8832 aco->globaldir = globaldir; | |
| 8833 globaldir = NULL; | |
| 8834 | |
| 7 | 8835 |
| 1906 | 8836 #ifdef FEAT_WINDOWS |
| 1923 | 8837 /* Split the current window, put the aucmd_win in the upper half. |
| 8838 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8839 block_autocmds(); | |
| 1906 | 8840 make_snapshot(SNAP_AUCMD_IDX); |
| 8841 save_ea = p_ea; | |
| 8842 p_ea = FALSE; | |
| 8843 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); | |
| 8844 (void)win_comp_pos(); /* recompute window positions */ | |
| 8845 p_ea = save_ea; | |
| 1923 | 8846 unblock_autocmds(); |
| 1906 | 8847 #endif |
| 1918 | 8848 curwin = aucmd_win; |
| 1906 | 8849 } |
| 7 | 8850 curbuf = buf; |
| 1906 | 8851 aco->new_curwin = curwin; |
| 8852 aco->new_curbuf = curbuf; | |
| 7 | 8853 } |
| 8854 | |
| 8855 /* | |
| 8856 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8857 * Restore the window as it was (if possible). | |
| 934 | 8858 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8859 */ |
| 8860 void | |
| 8861 aucmd_restbuf(aco) | |
| 8862 aco_save_T *aco; /* structure holding saved values */ | |
| 8863 { | |
| 1906 | 8864 #ifdef FEAT_WINDOWS |
| 8865 int dummy; | |
| 8866 #endif | |
| 8867 | |
| 1944 | 8868 if (aco->use_aucmd_win) |
| 1906 | 8869 { |
| 8870 --curbuf->b_nwindows; | |
| 8871 #ifdef FEAT_WINDOWS | |
| 8872 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8873 * page. Do not trigger autocommands here. */ |
| 8874 block_autocmds(); | |
| 1906 | 8875 if (curwin != aucmd_win) |
| 8876 { | |
| 8877 tabpage_T *tp; | |
| 8878 win_T *wp; | |
| 8879 | |
| 8880 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8881 { | |
| 8882 if (wp == aucmd_win) | |
| 8883 { | |
| 8884 if (tp != curtab) | |
| 8885 goto_tabpage_tp(tp); | |
| 8886 win_goto(aucmd_win); | |
| 8887 break; | |
| 8888 } | |
| 8889 } | |
| 8890 } | |
| 8891 | |
| 8892 /* Remove the window and frame from the tree of frames. */ | |
| 8893 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8894 win_remove(curwin, NULL); | |
| 1944 | 8895 aucmd_win_used = FALSE; |
| 1906 | 8896 last_status(FALSE); /* may need to remove last status line */ |
| 8897 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8898 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8899 unblock_autocmds(); |
| 1906 | 8900 |
| 8901 if (win_valid(aco->save_curwin)) | |
| 8902 curwin = aco->save_curwin; | |
| 8903 else | |
| 8904 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8905 curwin = firstwin; | |
| 8906 # ifdef FEAT_EVAL | |
| 8907 vars_clear(&aucmd_win->w_vars.dv_hashtab); /* free all w: variables */ | |
| 2001 | 8908 hash_init(&aucmd_win->w_vars.dv_hashtab); /* re-use the hashtab */ |
| 1906 | 8909 # endif |
| 8910 #else | |
| 8911 curwin = aco->save_curwin; | |
| 8912 #endif | |
| 8913 curbuf = curwin->w_buffer; | |
| 8914 | |
| 1944 | 8915 vim_free(globaldir); |
| 8916 globaldir = aco->globaldir; | |
| 8917 | |
| 1906 | 8918 /* the buffer contents may have changed */ |
| 8919 check_cursor(); | |
| 8920 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8921 { | |
| 8922 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8923 #ifdef FEAT_DIFF | |
| 8924 curwin->w_topfill = 0; | |
| 8925 #endif | |
| 8926 } | |
| 8927 #if defined(FEAT_GUI) | |
| 8928 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8929 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8930 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8931 gui_may_update_scrollbars(); | |
| 8932 #endif | |
| 8933 } | |
| 8934 else | |
| 7 | 8935 { |
| 8936 /* restore curwin */ | |
| 8937 #ifdef FEAT_WINDOWS | |
| 8938 if (win_valid(aco->save_curwin)) | |
| 8939 #endif | |
| 8940 { | |
| 1906 | 8941 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8942 * it was changed, we are still the same window and the buffer is |
| 1906 | 8943 * valid. */ |
| 7 | 8944 if (curwin == aco->new_curwin |
| 1906 | 8945 && curbuf != aco->new_curbuf |
| 8946 && buf_valid(aco->new_curbuf) | |
| 8947 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8948 { |
| 8949 --curbuf->b_nwindows; | |
| 1906 | 8950 curbuf = aco->new_curbuf; |
| 7 | 8951 curwin->w_buffer = curbuf; |
| 8952 ++curbuf->b_nwindows; | |
| 8953 } | |
| 8954 | |
| 8955 curwin = aco->save_curwin; | |
| 8956 curbuf = curwin->w_buffer; | |
| 8957 } | |
| 8958 } | |
| 8959 } | |
| 8960 | |
| 8961 static int autocmd_nested = FALSE; | |
| 8962 | |
| 8963 /* | |
| 8964 * Execute autocommands for "event" and file name "fname". | |
| 8965 * Return TRUE if some commands were executed. | |
| 8966 */ | |
| 8967 int | |
| 8968 apply_autocmds(event, fname, fname_io, force, buf) | |
| 661 | 8969 event_T event; |
| 7 | 8970 char_u *fname; /* NULL or empty means use actual file name */ |
| 8971 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 8972 int force; /* when TRUE, ignore autocmd_busy */ | |
| 8973 buf_T *buf; /* buffer for <abuf> */ | |
| 8974 { | |
| 8975 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8976 AUGROUP_ALL, buf, NULL); | |
| 8977 } | |
| 8978 | |
| 8979 /* | |
| 8980 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 8981 * setting v:filearg. | |
| 8982 */ | |
| 8983 static int | |
| 8984 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap) | |
| 661 | 8985 event_T event; |
| 7 | 8986 char_u *fname; |
| 8987 char_u *fname_io; | |
| 8988 int force; | |
| 8989 buf_T *buf; | |
| 8990 exarg_T *eap; | |
| 8991 { | |
| 8992 return apply_autocmds_group(event, fname, fname_io, force, | |
| 8993 AUGROUP_ALL, buf, eap); | |
| 8994 } | |
| 8995 | |
| 8996 /* | |
| 8997 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 8998 * processing is being aborted or if retval is FAIL when inside a try | |
| 8999 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 9000 * cause the script to be aborted, retval is set to FAIL. | |
| 9001 */ | |
| 9002 int | |
| 9003 apply_autocmds_retval(event, fname, fname_io, force, buf, retval) | |
| 661 | 9004 event_T event; |
| 7 | 9005 char_u *fname; /* NULL or empty means use actual file name */ |
| 9006 char_u *fname_io; /* fname to use for <afile> on cmdline */ | |
| 9007 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9008 buf_T *buf; /* buffer for <abuf> */ | |
| 9009 int *retval; /* pointer to caller's retval */ | |
| 9010 { | |
| 9011 int did_cmd; | |
| 9012 | |
| 532 | 9013 #ifdef FEAT_EVAL |
| 7 | 9014 if (should_abort(*retval)) |
| 9015 return FALSE; | |
| 532 | 9016 #endif |
| 7 | 9017 |
| 9018 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 9019 AUGROUP_ALL, buf, NULL); | |
| 532 | 9020 if (did_cmd |
| 9021 #ifdef FEAT_EVAL | |
| 9022 && aborting() | |
| 9023 #endif | |
| 9024 ) | |
| 7 | 9025 *retval = FAIL; |
| 9026 return did_cmd; | |
| 9027 } | |
| 9028 | |
| 609 | 9029 /* |
| 9030 * Return TRUE when there is a CursorHold autocommand defined. | |
| 9031 */ | |
| 7 | 9032 int |
| 9033 has_cursorhold() | |
| 9034 { | |
| 661 | 9035 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 9036 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 9037 } |
| 609 | 9038 |
| 9039 /* | |
| 9040 * Return TRUE if the CursorHold event can be triggered. | |
| 9041 */ | |
| 9042 int | |
| 9043 trigger_cursorhold() | |
| 9044 { | |
| 661 | 9045 int state; |
| 9046 | |
| 978 | 9047 if (!did_cursorhold && has_cursorhold() && !Recording |
| 9048 #ifdef FEAT_INS_EXPAND | |
| 9049 && !ins_compl_active() | |
| 9050 #endif | |
| 9051 ) | |
| 661 | 9052 { |
| 9053 state = get_real_state(); | |
| 9054 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 9055 return TRUE; | |
| 9056 } | |
| 9057 return FALSE; | |
| 609 | 9058 } |
| 661 | 9059 |
| 9060 /* | |
| 9061 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 9062 */ | |
| 9063 int | |
| 9064 has_cursormoved() | |
| 9065 { | |
| 9066 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 9067 } | |
| 9068 | |
| 9069 /* | |
| 9070 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 9071 */ | |
| 9072 int | |
| 9073 has_cursormovedI() | |
| 9074 { | |
| 9075 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 9076 } | |
| 7 | 9077 |
| 9078 static int | |
| 9079 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap) | |
| 661 | 9080 event_T event; |
| 7 | 9081 char_u *fname; /* NULL or empty means use actual file name */ |
| 9082 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means | |
| 9083 use fname */ | |
| 9084 int force; /* when TRUE, ignore autocmd_busy */ | |
| 9085 int group; /* group ID, or AUGROUP_ALL */ | |
| 9086 buf_T *buf; /* buffer for <abuf> */ | |
| 9087 exarg_T *eap; /* command arguments */ | |
| 9088 { | |
| 9089 char_u *sfname = NULL; /* short file name */ | |
| 9090 char_u *tail; | |
| 9091 int save_changed; | |
| 9092 buf_T *old_curbuf; | |
| 9093 int retval = FALSE; | |
| 9094 char_u *save_sourcing_name; | |
| 9095 linenr_T save_sourcing_lnum; | |
| 9096 char_u *save_autocmd_fname; | |
| 1723 | 9097 int save_autocmd_fname_full; |
| 7 | 9098 int save_autocmd_bufnr; |
| 9099 char_u *save_autocmd_match; | |
| 9100 int save_autocmd_busy; | |
| 9101 int save_autocmd_nested; | |
| 9102 static int nesting = 0; | |
| 9103 AutoPatCmd patcmd; | |
| 9104 AutoPat *ap; | |
| 9105 #ifdef FEAT_EVAL | |
| 9106 scid_T save_current_SID; | |
| 9107 void *save_funccalp; | |
| 9108 char_u *save_cmdarg; | |
| 9109 long save_cmdbang; | |
| 9110 #endif | |
| 9111 static int filechangeshell_busy = FALSE; | |
| 170 | 9112 #ifdef FEAT_PROFILE |
| 9113 proftime_T wait_time; | |
| 9114 #endif | |
| 7 | 9115 |
| 9116 /* | |
| 9117 * Quickly return if there are no autocommands for this event or | |
| 9118 * autocommands are blocked. | |
| 9119 */ | |
| 1410 | 9120 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 9121 goto BYPASS_AU; |
| 7 | 9122 |
| 9123 /* | |
| 9124 * When autocommands are busy, new autocommands are only executed when | |
| 9125 * explicitly enabled with the "nested" flag. | |
| 9126 */ | |
| 9127 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 9128 goto BYPASS_AU; |
| 7 | 9129 |
| 9130 #ifdef FEAT_EVAL | |
| 9131 /* | |
| 1201 | 9132 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 9133 * occurred or an exception was thrown but not caught. |
| 9134 */ | |
| 9135 if (aborting()) | |
| 40 | 9136 goto BYPASS_AU; |
| 7 | 9137 #endif |
| 9138 | |
| 9139 /* | |
| 9140 * FileChangedShell never nests, because it can create an endless loop. | |
| 9141 */ | |
| 765 | 9142 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 9143 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 9144 goto BYPASS_AU; |
| 7 | 9145 |
| 9146 /* | |
| 9147 * Ignore events in 'eventignore'. | |
| 9148 */ | |
| 9149 if (event_ignored(event)) | |
| 40 | 9150 goto BYPASS_AU; |
| 7 | 9151 |
| 9152 /* | |
| 9153 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 9154 * possible to create an endless loop. | |
| 9155 */ | |
| 9156 if (nesting == 10) | |
| 9157 { | |
| 9158 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 9159 goto BYPASS_AU; |
| 7 | 9160 } |
| 9161 | |
| 9162 /* | |
| 9163 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 9164 * ":ball". | |
| 9165 */ | |
| 9166 if ( (autocmd_no_enter | |
| 9167 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 9168 || (autocmd_no_leave | |
| 9169 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 9170 goto BYPASS_AU; |
| 7 | 9171 |
| 9172 /* | |
| 9173 * Save the autocmd_* variables and info about the current buffer. | |
| 9174 */ | |
| 9175 save_autocmd_fname = autocmd_fname; | |
| 1723 | 9176 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 9177 save_autocmd_bufnr = autocmd_bufnr; |
| 9178 save_autocmd_match = autocmd_match; | |
| 9179 save_autocmd_busy = autocmd_busy; | |
| 9180 save_autocmd_nested = autocmd_nested; | |
| 9181 save_changed = curbuf->b_changed; | |
| 9182 old_curbuf = curbuf; | |
| 9183 | |
| 9184 /* | |
| 9185 * Set the file name to be used for <afile>. | |
| 1471 | 9186 * Make a copy to avoid that changing a buffer name or directory makes it |
| 9187 * invalid. | |
| 7 | 9188 */ |
| 9189 if (fname_io == NULL) | |
| 9190 { | |
| 9191 if (fname != NULL && *fname != NUL) | |
| 9192 autocmd_fname = fname; | |
| 9193 else if (buf != NULL) | |
| 1723 | 9194 autocmd_fname = buf->b_ffname; |
| 7 | 9195 else |
| 9196 autocmd_fname = NULL; | |
| 9197 } | |
| 9198 else | |
| 9199 autocmd_fname = fname_io; | |
| 1471 | 9200 if (autocmd_fname != NULL) |
| 1723 | 9201 autocmd_fname = vim_strsave(autocmd_fname); |
| 9202 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 9203 |
| 9204 /* | |
| 9205 * Set the buffer number to be used for <abuf>. | |
| 9206 */ | |
| 9207 if (buf == NULL) | |
| 9208 autocmd_bufnr = 0; | |
| 9209 else | |
| 9210 autocmd_bufnr = buf->b_fnum; | |
| 9211 | |
| 9212 /* | |
| 9213 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 9214 * Always use the full path of the file name to match with, in case | |
| 9215 * "allow_dirs" is set. | |
| 9216 */ | |
| 9217 if (fname == NULL || *fname == NUL) | |
| 9218 { | |
| 9219 if (buf == NULL) | |
| 9220 fname = NULL; | |
| 9221 else | |
| 9222 { | |
| 9223 #ifdef FEAT_SYN_HL | |
| 9224 if (event == EVENT_SYNTAX) | |
| 9225 fname = buf->b_p_syn; | |
| 9226 else | |
| 9227 #endif | |
| 9228 if (event == EVENT_FILETYPE) | |
| 9229 fname = buf->b_p_ft; | |
| 9230 else | |
| 9231 { | |
| 9232 if (buf->b_sfname != NULL) | |
| 9233 sfname = vim_strsave(buf->b_sfname); | |
| 9234 fname = buf->b_ffname; | |
| 9235 } | |
| 9236 } | |
| 9237 if (fname == NULL) | |
| 9238 fname = (char_u *)""; | |
| 9239 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 9240 } | |
| 9241 else | |
| 9242 { | |
| 9243 sfname = vim_strsave(fname); | |
| 1867 | 9244 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID or |
| 9245 * QuickFixCmd* */ | |
| 161 | 9246 if (event == EVENT_FILETYPE |
| 9247 || event == EVENT_SYNTAX | |
| 1867 | 9248 || event == EVENT_FUNCUNDEFINED |
| 161 | 9249 || event == EVENT_REMOTEREPLY |
| 649 | 9250 || event == EVENT_SPELLFILEMISSING |
| 161 | 9251 || event == EVENT_QUICKFIXCMDPRE |
| 9252 || event == EVENT_QUICKFIXCMDPOST) | |
| 7 | 9253 fname = vim_strsave(fname); |
| 9254 else | |
| 9255 fname = FullName_save(fname, FALSE); | |
| 9256 } | |
| 9257 if (fname == NULL) /* out of memory */ | |
| 9258 { | |
| 9259 vim_free(sfname); | |
| 40 | 9260 retval = FALSE; |
| 9261 goto BYPASS_AU; | |
| 7 | 9262 } |
| 9263 | |
| 9264 #ifdef BACKSLASH_IN_FILENAME | |
| 9265 /* | |
| 9266 * Replace all backslashes with forward slashes. This makes the | |
| 9267 * autocommand patterns portable between Unix and MS-DOS. | |
| 9268 */ | |
| 9269 if (sfname != NULL) | |
| 9270 forward_slash(sfname); | |
| 9271 forward_slash(fname); | |
| 9272 #endif | |
| 9273 | |
| 9274 #ifdef VMS | |
| 9275 /* remove version for correct match */ | |
| 9276 if (sfname != NULL) | |
| 9277 vms_remove_version(sfname); | |
| 9278 vms_remove_version(fname); | |
| 9279 #endif | |
| 9280 | |
| 9281 /* | |
| 9282 * Set the name to be used for <amatch>. | |
| 9283 */ | |
| 9284 autocmd_match = fname; | |
| 9285 | |
| 9286 | |
| 9287 /* Don't redraw while doing auto commands. */ | |
| 9288 ++RedrawingDisabled; | |
| 9289 save_sourcing_name = sourcing_name; | |
| 9290 sourcing_name = NULL; /* don't free this one */ | |
| 9291 save_sourcing_lnum = sourcing_lnum; | |
| 9292 sourcing_lnum = 0; /* no line number here */ | |
| 9293 | |
| 9294 #ifdef FEAT_EVAL | |
| 9295 save_current_SID = current_SID; | |
| 9296 | |
| 170 | 9297 # ifdef FEAT_PROFILE |
| 788 | 9298 if (do_profiling == PROF_YES) |
| 170 | 9299 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9300 # endif | |
| 9301 | |
| 7 | 9302 /* Don't use local function variables, if called from a function */ |
| 9303 save_funccalp = save_funccal(); | |
| 9304 #endif | |
| 9305 | |
| 9306 /* | |
| 9307 * When starting to execute autocommands, save the search patterns. | |
| 9308 */ | |
| 9309 if (!autocmd_busy) | |
| 9310 { | |
| 9311 save_search_patterns(); | |
| 9312 saveRedobuff(); | |
| 9313 did_filetype = keep_filetype; | |
| 9314 } | |
| 9315 | |
| 9316 /* | |
| 9317 * Note that we are applying autocmds. Some commands need to know. | |
| 9318 */ | |
| 9319 autocmd_busy = TRUE; | |
| 9320 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9321 ++nesting; /* see matching decrement below */ | |
| 9322 | |
| 9323 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9324 if (event == EVENT_FILETYPE) | |
| 9325 did_filetype = TRUE; | |
| 9326 | |
| 9327 tail = gettail(fname); | |
| 9328 | |
| 9329 /* Find first autocommand that matches */ | |
| 9330 patcmd.curpat = first_autopat[(int)event]; | |
| 9331 patcmd.nextcmd = NULL; | |
| 9332 patcmd.group = group; | |
| 9333 patcmd.fname = fname; | |
| 9334 patcmd.sfname = sfname; | |
| 9335 patcmd.tail = tail; | |
| 9336 patcmd.event = event; | |
| 40 | 9337 patcmd.arg_bufnr = autocmd_bufnr; |
| 9338 patcmd.next = NULL; | |
| 7 | 9339 auto_next_pat(&patcmd, FALSE); |
| 9340 | |
| 9341 /* found one, start executing the autocommands */ | |
| 9342 if (patcmd.curpat != NULL) | |
| 9343 { | |
| 40 | 9344 /* add to active_apc_list */ |
| 9345 patcmd.next = active_apc_list; | |
| 9346 active_apc_list = &patcmd; | |
| 9347 | |
| 7 | 9348 #ifdef FEAT_EVAL |
| 9349 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9350 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9351 if (eap != NULL) | |
| 9352 { | |
| 9353 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9354 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9355 } | |
| 9356 else | |
| 9357 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9358 #endif | |
| 9359 retval = TRUE; | |
| 9360 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9361 * are added when executing autocommands */ | |
| 9362 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9363 ap->last = FALSE; | |
| 9364 ap->last = TRUE; | |
| 9365 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9366 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9367 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9368 #ifdef FEAT_EVAL | |
| 9369 if (eap != NULL) | |
| 9370 { | |
| 9371 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9372 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9373 } | |
| 9374 #endif | |
| 40 | 9375 /* delete from active_apc_list */ |
| 9376 if (active_apc_list == &patcmd) /* just in case */ | |
| 9377 active_apc_list = patcmd.next; | |
| 7 | 9378 } |
| 9379 | |
| 9380 --RedrawingDisabled; | |
| 9381 autocmd_busy = save_autocmd_busy; | |
| 9382 filechangeshell_busy = FALSE; | |
| 9383 autocmd_nested = save_autocmd_nested; | |
| 9384 vim_free(sourcing_name); | |
| 9385 sourcing_name = save_sourcing_name; | |
| 9386 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9387 vim_free(autocmd_fname); |
| 7 | 9388 autocmd_fname = save_autocmd_fname; |
| 1723 | 9389 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9390 autocmd_bufnr = save_autocmd_bufnr; |
| 9391 autocmd_match = save_autocmd_match; | |
| 9392 #ifdef FEAT_EVAL | |
| 9393 current_SID = save_current_SID; | |
| 9394 restore_funccal(save_funccalp); | |
| 170 | 9395 # ifdef FEAT_PROFILE |
| 788 | 9396 if (do_profiling == PROF_YES) |
| 170 | 9397 prof_child_exit(&wait_time); |
| 9398 # endif | |
| 7 | 9399 #endif |
| 9400 vim_free(fname); | |
| 9401 vim_free(sfname); | |
| 9402 --nesting; /* see matching increment above */ | |
| 9403 | |
| 9404 /* | |
| 9405 * When stopping to execute autocommands, restore the search patterns and | |
| 9406 * the redo buffer. | |
| 9407 */ | |
| 9408 if (!autocmd_busy) | |
| 9409 { | |
| 9410 restore_search_patterns(); | |
| 9411 restoreRedobuff(); | |
| 9412 did_filetype = FALSE; | |
| 9413 } | |
| 9414 | |
| 9415 /* | |
| 9416 * Some events don't set or reset the Changed flag. | |
| 9417 * Check if still in the same buffer! | |
| 9418 */ | |
| 9419 if (curbuf == old_curbuf | |
| 9420 && (event == EVENT_BUFREADPOST | |
| 9421 || event == EVENT_BUFWRITEPOST | |
| 9422 || event == EVENT_FILEAPPENDPOST | |
| 9423 || event == EVENT_VIMLEAVE | |
| 9424 || event == EVENT_VIMLEAVEPRE)) | |
| 9425 { | |
| 9426 #ifdef FEAT_TITLE | |
| 9427 if (curbuf->b_changed != save_changed) | |
| 9428 need_maketitle = TRUE; | |
| 9429 #endif | |
| 9430 curbuf->b_changed = save_changed; | |
| 9431 } | |
| 9432 | |
| 9433 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9434 |
| 9435 BYPASS_AU: | |
| 9436 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9437 * are deleted. */ | |
| 9438 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9439 aubuflocal_remove(buf); | |
| 9440 | |
| 7 | 9441 return retval; |
| 9442 } | |
| 9443 | |
| 1410 | 9444 # ifdef FEAT_EVAL |
| 9445 static char_u *old_termresponse = NULL; | |
| 9446 # endif | |
| 9447 | |
| 9448 /* | |
| 9449 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9450 * Can be used recursively, so long as it's symmetric. | |
| 9451 */ | |
| 9452 void | |
| 9453 block_autocmds() | |
| 9454 { | |
| 9455 # ifdef FEAT_EVAL | |
| 9456 /* Remember the value of v:termresponse. */ | |
| 9457 if (autocmd_blocked == 0) | |
| 9458 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9459 # endif | |
| 9460 ++autocmd_blocked; | |
| 9461 } | |
| 9462 | |
| 9463 void | |
| 9464 unblock_autocmds() | |
| 9465 { | |
| 9466 --autocmd_blocked; | |
| 9467 | |
| 9468 # ifdef FEAT_EVAL | |
| 9469 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9470 * the autocommands now. Esp. useful when executing a shell command | |
| 9471 * during startup (vimdiff). */ | |
| 9472 if (autocmd_blocked == 0 | |
| 9473 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9474 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9475 # endif | |
| 9476 } | |
| 9477 | |
| 7 | 9478 /* |
| 9479 * Find next autocommand pattern that matches. | |
| 9480 */ | |
| 9481 static void | |
| 9482 auto_next_pat(apc, stop_at_last) | |
| 9483 AutoPatCmd *apc; | |
| 9484 int stop_at_last; /* stop when 'last' flag is set */ | |
| 9485 { | |
| 9486 AutoPat *ap; | |
| 9487 AutoCmd *cp; | |
| 9488 char_u *name; | |
| 9489 char *s; | |
| 9490 | |
| 9491 vim_free(sourcing_name); | |
| 9492 sourcing_name = NULL; | |
| 9493 | |
| 9494 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9495 { | |
| 9496 apc->curpat = NULL; | |
| 9497 | |
| 1723 | 9498 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9499 * the group matches. For buffer-local autocommands only check the |
| 9500 * buffer number. */ | |
| 7 | 9501 if (ap->pat != NULL && ap->cmds != NULL |
| 9502 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9503 { | |
| 40 | 9504 /* execution-condition */ |
| 9505 if (ap->buflocal_nr == 0 | |
| 153 | 9506 ? (match_file_pat(NULL, ap->reg_prog, apc->fname, |
| 9507 apc->sfname, apc->tail, ap->allow_dirs)) | |
| 40 | 9508 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9509 { |
| 9510 name = event_nr2name(apc->event); | |
| 9511 s = _("%s Auto commands for \"%s\""); | |
| 9512 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9513 + STRLEN(name) + ap->patlen + 1)); | |
| 9514 if (sourcing_name != NULL) | |
| 9515 { | |
| 9516 sprintf((char *)sourcing_name, s, | |
| 9517 (char *)name, (char *)ap->pat); | |
| 9518 if (p_verbose >= 8) | |
| 292 | 9519 { |
| 9520 verbose_enter(); | |
| 273 | 9521 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9522 verbose_leave(); |
| 9523 } | |
| 7 | 9524 } |
| 9525 | |
| 9526 apc->curpat = ap; | |
| 9527 apc->nextcmd = ap->cmds; | |
| 9528 /* mark last command */ | |
| 9529 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9530 cp->last = FALSE; | |
| 9531 cp->last = TRUE; | |
| 9532 } | |
| 9533 line_breakcheck(); | |
| 9534 if (apc->curpat != NULL) /* found a match */ | |
| 9535 break; | |
| 9536 } | |
| 9537 if (stop_at_last && ap->last) | |
| 9538 break; | |
| 9539 } | |
| 9540 } | |
| 9541 | |
| 9542 /* | |
| 9543 * Get next autocommand command. | |
| 9544 * Called by do_cmdline() to get the next line for ":if". | |
| 9545 * Returns allocated string, or NULL for end of autocommands. | |
| 9546 */ | |
| 9547 static char_u * | |
| 9548 getnextac(c, cookie, indent) | |
| 1880 | 9549 int c UNUSED; |
| 7 | 9550 void *cookie; |
| 1880 | 9551 int indent UNUSED; |
| 7 | 9552 { |
| 9553 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9554 char_u *retval; | |
| 9555 AutoCmd *ac; | |
| 9556 | |
| 9557 /* Can be called again after returning the last line. */ | |
| 9558 if (acp->curpat == NULL) | |
| 9559 return NULL; | |
| 9560 | |
| 9561 /* repeat until we find an autocommand to execute */ | |
| 9562 for (;;) | |
| 9563 { | |
| 9564 /* skip removed commands */ | |
| 9565 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9566 if (acp->nextcmd->last) | |
| 9567 acp->nextcmd = NULL; | |
| 9568 else | |
| 9569 acp->nextcmd = acp->nextcmd->next; | |
| 9570 | |
| 9571 if (acp->nextcmd != NULL) | |
| 9572 break; | |
| 9573 | |
| 9574 /* at end of commands, find next pattern that matches */ | |
| 9575 if (acp->curpat->last) | |
| 9576 acp->curpat = NULL; | |
| 9577 else | |
| 9578 acp->curpat = acp->curpat->next; | |
| 9579 if (acp->curpat != NULL) | |
| 9580 auto_next_pat(acp, TRUE); | |
| 9581 if (acp->curpat == NULL) | |
| 9582 return NULL; | |
| 9583 } | |
| 9584 | |
| 9585 ac = acp->nextcmd; | |
| 9586 | |
| 9587 if (p_verbose >= 9) | |
| 9588 { | |
| 292 | 9589 verbose_enter_scroll(); |
| 273 | 9590 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9591 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9592 verbose_leave_scroll(); |
| 7 | 9593 } |
| 9594 retval = vim_strsave(ac->cmd); | |
| 9595 autocmd_nested = ac->nested; | |
| 9596 #ifdef FEAT_EVAL | |
| 9597 current_SID = ac->scriptID; | |
| 9598 #endif | |
| 9599 if (ac->last) | |
| 9600 acp->nextcmd = NULL; | |
| 9601 else | |
| 9602 acp->nextcmd = ac->next; | |
| 9603 return retval; | |
| 9604 } | |
| 9605 | |
| 9606 /* | |
| 9607 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9608 * To account for buffer-local autocommands, function needs to know |
| 9609 * in which buffer the file will be opened. | |
| 7 | 9610 */ |
| 9611 int | |
| 40 | 9612 has_autocmd(event, sfname, buf) |
| 661 | 9613 event_T event; |
| 7 | 9614 char_u *sfname; |
| 40 | 9615 buf_T *buf; |
| 7 | 9616 { |
| 9617 AutoPat *ap; | |
| 9618 char_u *fname; | |
| 9619 char_u *tail = gettail(sfname); | |
| 9620 int retval = FALSE; | |
| 9621 | |
| 9622 fname = FullName_save(sfname, FALSE); | |
| 9623 if (fname == NULL) | |
| 9624 return FALSE; | |
| 9625 | |
| 9626 #ifdef BACKSLASH_IN_FILENAME | |
| 9627 /* | |
| 9628 * Replace all backslashes with forward slashes. This makes the | |
| 9629 * autocommand patterns portable between Unix and MS-DOS. | |
| 9630 */ | |
| 9631 sfname = vim_strsave(sfname); | |
| 9632 if (sfname != NULL) | |
| 9633 forward_slash(sfname); | |
| 9634 forward_slash(fname); | |
| 9635 #endif | |
| 9636 | |
| 9637 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9638 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9639 && (ap->buflocal_nr == 0 |
| 153 | 9640 ? match_file_pat(NULL, ap->reg_prog, |
| 9641 fname, sfname, tail, ap->allow_dirs) | |
| 856 | 9642 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9643 )) |
| 7 | 9644 { |
| 9645 retval = TRUE; | |
| 9646 break; | |
| 9647 } | |
| 9648 | |
| 9649 vim_free(fname); | |
| 9650 #ifdef BACKSLASH_IN_FILENAME | |
| 9651 vim_free(sfname); | |
| 9652 #endif | |
| 9653 | |
| 9654 return retval; | |
| 9655 } | |
| 9656 | |
| 9657 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9658 /* | |
| 9659 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9660 * names. | |
| 9661 */ | |
| 9662 char_u * | |
| 9663 get_augroup_name(xp, idx) | |
| 1880 | 9664 expand_T *xp UNUSED; |
| 7 | 9665 int idx; |
| 9666 { | |
| 9667 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9668 return (char_u *)"END"; | |
| 9669 if (idx >= augroups.ga_len) /* end of list */ | |
| 9670 return NULL; | |
| 9671 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9672 return (char_u *)""; | |
| 9673 return AUGROUP_NAME(idx); /* return a name */ | |
| 9674 } | |
| 9675 | |
| 9676 static int include_groups = FALSE; | |
| 9677 | |
| 9678 char_u * | |
| 9679 set_context_in_autocmd(xp, arg, doautocmd) | |
| 9680 expand_T *xp; | |
| 9681 char_u *arg; | |
| 1733 | 9682 int doautocmd; /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9683 { |
| 9684 char_u *p; | |
| 9685 int group; | |
| 9686 | |
| 9687 /* check for a group name, skip it if present */ | |
| 9688 include_groups = FALSE; | |
| 9689 p = arg; | |
| 9690 group = au_get_grouparg(&arg); | |
| 9691 if (group == AUGROUP_ERROR) | |
| 9692 return NULL; | |
| 9693 /* If there only is a group name that's what we expand. */ | |
| 9694 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9695 { | |
| 9696 arg = p; | |
| 9697 group = AUGROUP_ALL; | |
| 9698 } | |
| 9699 | |
| 9700 /* skip over event name */ | |
| 9701 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9702 if (*p == ',') | |
| 9703 arg = p + 1; | |
| 9704 if (*p == NUL) | |
| 9705 { | |
| 9706 if (group == AUGROUP_ALL) | |
| 9707 include_groups = TRUE; | |
| 9708 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9709 xp->xp_pattern = arg; | |
| 9710 return NULL; | |
| 9711 } | |
| 9712 | |
| 9713 /* skip over pattern */ | |
| 9714 arg = skipwhite(p); | |
| 9715 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9716 arg++; | |
| 9717 if (*arg) | |
| 9718 return arg; /* expand (next) command */ | |
| 9719 | |
| 9720 if (doautocmd) | |
| 9721 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9722 else | |
| 9723 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9724 return NULL; | |
| 9725 } | |
| 9726 | |
| 9727 /* | |
| 9728 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9729 */ | |
| 9730 char_u * | |
| 9731 get_event_name(xp, idx) | |
| 1880 | 9732 expand_T *xp UNUSED; |
| 7 | 9733 int idx; |
| 9734 { | |
| 9735 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9736 { | |
| 9737 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9738 return (char_u *)""; /* skip deleted entries */ | |
| 9739 return AUGROUP_NAME(idx); /* return a name */ | |
| 9740 } | |
| 9741 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9742 } | |
| 9743 | |
| 9744 #endif /* FEAT_CMDL_COMPL */ | |
| 9745 | |
| 9746 /* | |
| 615 | 9747 * Return TRUE if autocmd is supported. |
| 9748 */ | |
| 9749 int | |
| 9750 autocmd_supported(name) | |
| 9751 char_u *name; | |
| 9752 { | |
| 9753 char_u *p; | |
| 9754 | |
| 9755 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9756 } | |
| 9757 | |
| 9758 /* | |
| 612 | 9759 * Return TRUE if an autocommand is defined for a group, event and |
| 9760 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9761 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9762 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9763 * Used for: | |
| 9764 * exists("#Group") or | |
| 9765 * exists("#Group#Event") or | |
| 9766 * exists("#Group#Event#pat") or | |
| 9767 * exists("#Event") or | |
| 9768 * exists("#Event#pat") | |
| 7 | 9769 */ |
| 9770 int | |
| 612 | 9771 au_exists(arg) |
| 9772 char_u *arg; | |
| 7 | 9773 { |
| 612 | 9774 char_u *arg_save; |
| 9775 char_u *pattern = NULL; | |
| 7 | 9776 char_u *event_name; |
| 9777 char_u *p; | |
| 661 | 9778 event_T event; |
| 7 | 9779 AutoPat *ap; |
| 40 | 9780 buf_T *buflocal_buf = NULL; |
| 612 | 9781 int group; |
| 9782 int retval = FALSE; | |
| 9783 | |
| 615 | 9784 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9785 arg_save = vim_strsave(arg); |
| 9786 if (arg_save == NULL) | |
| 9787 return FALSE; | |
| 615 | 9788 p = vim_strchr(arg_save, '#'); |
| 612 | 9789 if (p != NULL) |
| 9790 *p++ = NUL; | |
| 9791 | |
| 9792 /* First, look for an autocmd group name */ | |
| 9793 group = au_find_group(arg_save); | |
| 9794 if (group == AUGROUP_ERROR) | |
| 9795 { | |
| 9796 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9797 group = AUGROUP_ALL; | |
| 9798 event_name = arg_save; | |
| 9799 } | |
| 9800 else | |
| 9801 { | |
| 9802 if (p == NULL) | |
| 9803 { | |
| 9804 /* "Group": group name is present and it's recognized */ | |
| 9805 retval = TRUE; | |
| 9806 goto theend; | |
| 9807 } | |
| 9808 | |
| 9809 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9810 event_name = p; | |
| 9811 p = vim_strchr(event_name, '#'); | |
| 9812 if (p != NULL) | |
| 9813 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9814 } | |
| 9815 | |
| 9816 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9817 |
| 9818 /* find the index (enum) for the event name */ | |
| 9819 event = event_name2nr(event_name, &p); | |
| 9820 | |
| 9821 /* return FALSE if the event name is not recognized */ | |
| 612 | 9822 if (event == NUM_EVENTS) |
| 9823 goto theend; | |
| 7 | 9824 |
| 9825 /* Find the first autocommand for this event. | |
| 9826 * If there isn't any, return FALSE; | |
| 9827 * If there is one and no pattern given, return TRUE; */ | |
| 9828 ap = first_autopat[(int)event]; | |
| 9829 if (ap == NULL) | |
| 612 | 9830 goto theend; |
| 7 | 9831 |
| 40 | 9832 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9833 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9834 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9835 buflocal_buf = curbuf; |
| 9836 | |
| 7 | 9837 /* Check if there is an autocommand with the given pattern. */ |
| 9838 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9839 /* only use a pattern when it has not been removed and has commands. */ |
| 9840 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9841 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9842 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9843 && (pattern == NULL |
| 9844 || (buflocal_buf == NULL | |
| 9845 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9846 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9847 { |
| 9848 retval = TRUE; | |
| 9849 break; | |
| 9850 } | |
| 9851 | |
| 9852 theend: | |
| 9853 vim_free(arg_save); | |
| 9854 return retval; | |
| 7 | 9855 } |
| 40 | 9856 |
| 934 | 9857 #else /* FEAT_AUTOCMD */ |
| 9858 | |
| 9859 /* | |
| 9860 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9861 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9862 * "curbuf" and "curwin" to match "buf". | |
| 9863 */ | |
| 9864 void | |
| 9865 aucmd_prepbuf(aco, buf) | |
| 9866 aco_save_T *aco; /* structure to save values in */ | |
| 9867 buf_T *buf; /* new curbuf */ | |
| 9868 { | |
| 1906 | 9869 aco->save_curbuf = curbuf; |
| 9870 --curbuf->b_nwindows; | |
| 934 | 9871 curbuf = buf; |
| 9872 curwin->w_buffer = buf; | |
| 1906 | 9873 ++curbuf->b_nwindows; |
| 934 | 9874 } |
| 9875 | |
| 9876 /* | |
| 9877 * Restore after executing commands for a (hidden) buffer. | |
| 9878 * This is the non-autocommand version. | |
| 9879 */ | |
| 9880 void | |
| 9881 aucmd_restbuf(aco) | |
| 9882 aco_save_T *aco; /* structure holding saved values */ | |
| 9883 { | |
| 1906 | 9884 --curbuf->b_nwindows; |
| 9885 curbuf = aco->save_curbuf; | |
| 934 | 9886 curwin->w_buffer = curbuf; |
| 1906 | 9887 ++curbuf->b_nwindows; |
| 934 | 9888 } |
| 9889 | |
| 7 | 9890 #endif /* FEAT_AUTOCMD */ |
| 9891 | |
| 934 | 9892 |
| 7 | 9893 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 9894 /* | |
| 153 | 9895 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 9896 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 9897 * vim_regcomp() often. | |
| 7 | 9898 * Used for autocommands and 'wildignore'. |
| 9899 * Returns TRUE if there is a match, FALSE otherwise. | |
| 9900 */ | |
| 9901 int | |
| 153 | 9902 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs) |
| 7 | 9903 char_u *pattern; /* pattern to match with */ |
| 153 | 9904 regprog_T *prog; /* pre-compiled regprog or NULL */ |
| 7 | 9905 char_u *fname; /* full path of file name */ |
| 9906 char_u *sfname; /* short file name or NULL */ | |
| 9907 char_u *tail; /* tail of path */ | |
| 9908 int allow_dirs; /* allow matching with dir */ | |
| 9909 { | |
| 9910 regmatch_T regmatch; | |
| 9911 int result = FALSE; | |
| 9912 #ifdef FEAT_OSFILETYPE | |
| 9913 int no_pattern = FALSE; /* TRUE if check is filetype only */ | |
| 9914 char_u *type_start; | |
| 9915 char_u c; | |
| 9916 int match = FALSE; | |
| 9917 #endif | |
| 9918 | |
| 9919 #ifdef CASE_INSENSITIVE_FILENAME | |
| 9920 regmatch.rm_ic = TRUE; /* Always ignore case */ | |
| 9921 #else | |
| 9922 regmatch.rm_ic = FALSE; /* Don't ever ignore case */ | |
| 9923 #endif | |
| 9924 #ifdef FEAT_OSFILETYPE | |
| 9925 if (*pattern == '<') | |
| 9926 { | |
| 9927 /* There is a filetype condition specified with this pattern. | |
| 9928 * Check the filetype matches first. If not, don't bother with the | |
| 9929 * pattern (set regprog to NULL). | |
| 9930 * Always use magic for the regexp. | |
| 9931 */ | |
| 9932 | |
| 9933 for (type_start = pattern + 1; (c = *pattern); pattern++) | |
| 9934 { | |
| 9935 if ((c == ';' || c == '>') && match == FALSE) | |
| 9936 { | |
| 9937 *pattern = NUL; /* Terminate the string */ | |
| 9938 match = mch_check_filetype(fname, type_start); | |
| 9939 *pattern = c; /* Restore the terminator */ | |
| 9940 type_start = pattern + 1; | |
| 9941 } | |
| 9942 if (c == '>') | |
| 9943 break; | |
| 9944 } | |
| 9945 | |
| 9946 /* (c should never be NUL, but check anyway) */ | |
| 9947 if (match == FALSE || c == NUL) | |
| 9948 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */ | |
| 9949 else if (*pattern == NUL) | |
| 9950 { | |
| 9951 regmatch.regprog = NULL; /* Vim will try to free regprog later */ | |
| 9952 no_pattern = TRUE; /* Always matches - don't check pat. */ | |
| 9953 } | |
| 9954 else | |
| 9955 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC); | |
| 9956 } | |
| 9957 else | |
| 9958 #endif | |
| 153 | 9959 { |
| 9960 if (prog != NULL) | |
| 9961 regmatch.regprog = prog; | |
| 9962 else | |
| 9963 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); | |
| 9964 } | |
| 7 | 9965 |
| 9966 /* | |
| 9967 * Try for a match with the pattern with: | |
| 9968 * 1. the full file name, when the pattern has a '/'. | |
| 9969 * 2. the short file name, when the pattern has a '/'. | |
| 9970 * 3. the tail of the file name, when the pattern has no '/'. | |
| 9971 */ | |
| 9972 if ( | |
| 9973 #ifdef FEAT_OSFILETYPE | |
| 9974 /* If the check is for a filetype only and we don't care | |
| 9975 * about the path then skip all the regexp stuff. | |
| 9976 */ | |
| 9977 no_pattern || | |
| 9978 #endif | |
| 9979 (regmatch.regprog != NULL | |
| 9980 && ((allow_dirs | |
| 9981 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 9982 || (sfname != NULL | |
| 9983 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 9984 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0))))) | |
| 9985 result = TRUE; | |
| 9986 | |
| 153 | 9987 if (prog == NULL) |
| 9988 vim_free(regmatch.regprog); | |
| 7 | 9989 return result; |
| 9990 } | |
| 9991 #endif | |
| 9992 | |
| 9993 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 9994 /* | |
| 9995 * Return TRUE if a file matches with a pattern in "list". | |
| 9996 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 9997 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 9998 */ | |
| 9999 int | |
| 10000 match_file_list(list, sfname, ffname) | |
| 10001 char_u *list; | |
| 10002 char_u *sfname; | |
| 10003 char_u *ffname; | |
| 10004 { | |
| 10005 char_u buf[100]; | |
| 10006 char_u *tail; | |
| 10007 char_u *regpat; | |
| 10008 char allow_dirs; | |
| 10009 int match; | |
| 10010 char_u *p; | |
| 10011 | |
| 10012 tail = gettail(sfname); | |
| 10013 | |
| 10014 /* try all patterns in 'wildignore' */ | |
| 10015 p = list; | |
| 10016 while (*p) | |
| 10017 { | |
| 10018 copy_option_part(&p, buf, 100, ","); | |
| 10019 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 10020 if (regpat == NULL) | |
| 10021 break; | |
| 153 | 10022 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 10023 tail, (int)allow_dirs); | |
| 7 | 10024 vim_free(regpat); |
| 10025 if (match) | |
| 10026 return TRUE; | |
| 10027 } | |
| 10028 return FALSE; | |
| 10029 } | |
| 10030 #endif | |
| 10031 | |
| 10032 /* | |
| 10033 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 10034 * a regular expression, and return the result in allocated memory. If there | |
| 10035 * is a directory path separator to be matched, then TRUE is put in | |
| 10036 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 10037 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 10038 * | |
| 10039 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg: | |
| 10040 * '<html>myfile' becomes '<html>^myfile$' -- leonard. | |
| 10041 * | |
| 10042 * Returns NULL when out of memory. | |
| 10043 */ | |
| 10044 char_u * | |
| 10045 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash) | |
| 10046 char_u *pat; | |
| 10047 char_u *pat_end; /* first char after pattern or NULL */ | |
| 10048 char *allow_dirs; /* Result passed back out in here */ | |
| 1877 | 10049 int no_bslash UNUSED; /* Don't use a backward slash as pathsep */ |
| 7 | 10050 { |
| 10051 int size; | |
| 10052 char_u *endp; | |
| 10053 char_u *reg_pat; | |
| 10054 char_u *p; | |
| 10055 int i; | |
| 10056 int nested = 0; | |
| 10057 int add_dollar = TRUE; | |
| 10058 #ifdef FEAT_OSFILETYPE | |
| 10059 int check_length = 0; | |
| 10060 #endif | |
| 10061 | |
| 10062 if (allow_dirs != NULL) | |
| 10063 *allow_dirs = FALSE; | |
| 10064 if (pat_end == NULL) | |
| 10065 pat_end = pat + STRLEN(pat); | |
| 10066 | |
| 10067 #ifdef FEAT_OSFILETYPE | |
| 10068 /* Find out how much of the string is the filetype check */ | |
| 10069 if (*pat == '<') | |
| 10070 { | |
| 10071 /* Count chars until the next '>' */ | |
| 10072 for (p = pat + 1; p < pat_end && *p != '>'; p++) | |
| 10073 ; | |
| 10074 if (p < pat_end) | |
| 10075 { | |
| 10076 /* Pattern is of the form <.*>.* */ | |
| 10077 check_length = p - pat + 1; | |
| 10078 if (p + 1 >= pat_end) | |
| 10079 { | |
| 10080 /* The 'pattern' is a filetype check ONLY */ | |
| 10081 reg_pat = (char_u *)alloc(check_length + 1); | |
| 10082 if (reg_pat != NULL) | |
| 10083 { | |
| 10084 mch_memmove(reg_pat, pat, (size_t)check_length); | |
| 10085 reg_pat[check_length] = NUL; | |
| 10086 } | |
| 10087 return reg_pat; | |
| 10088 } | |
| 10089 } | |
| 10090 /* else: there was no closing '>' - assume it was a normal pattern */ | |
| 10091 | |
| 10092 } | |
| 10093 pat += check_length; | |
| 10094 size = 2 + check_length; | |
| 10095 #else | |
| 10096 size = 2; /* '^' at start, '$' at end */ | |
| 10097 #endif | |
| 10098 | |
| 10099 for (p = pat; p < pat_end; p++) | |
| 10100 { | |
| 10101 switch (*p) | |
| 10102 { | |
| 10103 case '*': | |
| 10104 case '.': | |
| 10105 case ',': | |
| 10106 case '{': | |
| 10107 case '}': | |
| 10108 case '~': | |
| 10109 size += 2; /* extra backslash */ | |
| 10110 break; | |
| 10111 #ifdef BACKSLASH_IN_FILENAME | |
| 10112 case '\\': | |
| 10113 case '/': | |
| 10114 size += 4; /* could become "[\/]" */ | |
| 10115 break; | |
| 10116 #endif | |
| 10117 default: | |
| 10118 size++; | |
| 10119 # ifdef FEAT_MBYTE | |
| 474 | 10120 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10121 { |
| 10122 ++p; | |
| 10123 ++size; | |
| 10124 } | |
| 10125 # endif | |
| 10126 break; | |
| 10127 } | |
| 10128 } | |
| 10129 reg_pat = alloc(size + 1); | |
| 10130 if (reg_pat == NULL) | |
| 10131 return NULL; | |
| 10132 | |
| 10133 #ifdef FEAT_OSFILETYPE | |
| 10134 /* Copy the type check in to the start. */ | |
| 10135 if (check_length) | |
| 10136 mch_memmove(reg_pat, pat - check_length, (size_t)check_length); | |
| 10137 i = check_length; | |
| 10138 #else | |
| 10139 i = 0; | |
| 10140 #endif | |
| 10141 | |
| 10142 if (pat[0] == '*') | |
| 10143 while (pat[0] == '*' && pat < pat_end - 1) | |
| 10144 pat++; | |
| 10145 else | |
| 10146 reg_pat[i++] = '^'; | |
| 10147 endp = pat_end - 1; | |
| 10148 if (*endp == '*') | |
| 10149 { | |
| 10150 while (endp - pat > 0 && *endp == '*') | |
| 10151 endp--; | |
| 10152 add_dollar = FALSE; | |
| 10153 } | |
| 10154 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 10155 { | |
| 10156 switch (*p) | |
| 10157 { | |
| 10158 case '*': | |
| 10159 reg_pat[i++] = '.'; | |
| 10160 reg_pat[i++] = '*'; | |
| 444 | 10161 while (p[1] == '*') /* "**" matches like "*" */ |
| 10162 ++p; | |
| 7 | 10163 break; |
| 10164 case '.': | |
| 10165 case '~': | |
| 10166 reg_pat[i++] = '\\'; | |
| 10167 reg_pat[i++] = *p; | |
| 10168 break; | |
| 10169 case '?': | |
| 10170 reg_pat[i++] = '.'; | |
| 10171 break; | |
| 10172 case '\\': | |
| 10173 if (p[1] == NUL) | |
| 10174 break; | |
| 10175 #ifdef BACKSLASH_IN_FILENAME | |
| 10176 if (!no_bslash) | |
| 10177 { | |
| 10178 /* translate: | |
| 10179 * "\x" to "\\x" e.g., "dir\file" | |
| 10180 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 10181 * "\?" to "\\." e.g., "dir\??.c" | |
| 10182 * "\+" to "\+" e.g., "fileX\+.c" | |
| 10183 */ | |
| 10184 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 10185 && p[1] != '+') | |
| 10186 { | |
| 10187 reg_pat[i++] = '['; | |
| 10188 reg_pat[i++] = '\\'; | |
| 10189 reg_pat[i++] = '/'; | |
| 10190 reg_pat[i++] = ']'; | |
| 10191 if (allow_dirs != NULL) | |
| 10192 *allow_dirs = TRUE; | |
| 10193 break; | |
| 10194 } | |
| 10195 } | |
| 10196 #endif | |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10197 /* Undo escaping from ExpandEscape(): |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10198 * foo\?bar -> foo?bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10199 * foo\%bar -> foo%bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10200 * foo\,bar -> foo,bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10201 * foo\ bar -> foo bar |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10202 * Don't unescape \, * and others that are also special in a |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10203 * regexp. */ |
| 7 | 10204 if (*++p == '?' |
| 10205 #ifdef BACKSLASH_IN_FILENAME | |
| 10206 && no_bslash | |
| 10207 #endif | |
| 10208 ) | |
| 10209 reg_pat[i++] = '?'; | |
| 10210 else | |
|
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10211 if (*p == ',' || *p == '%' || *p == '#' || *p == ' ') |
|
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
10212 reg_pat[i++] = *p; |
| 7 | 10213 else |
| 10214 { | |
| 10215 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 10216 #ifdef BACKSLASH_IN_FILENAME | |
| 10217 && (!no_bslash || *p != '\\') | |
| 10218 #endif | |
| 10219 ) | |
| 10220 *allow_dirs = TRUE; | |
| 10221 reg_pat[i++] = '\\'; | |
| 10222 reg_pat[i++] = *p; | |
| 10223 } | |
| 10224 break; | |
| 10225 #ifdef BACKSLASH_IN_FILENAME | |
| 10226 case '/': | |
| 10227 reg_pat[i++] = '['; | |
| 10228 reg_pat[i++] = '\\'; | |
| 10229 reg_pat[i++] = '/'; | |
| 10230 reg_pat[i++] = ']'; | |
| 10231 if (allow_dirs != NULL) | |
| 10232 *allow_dirs = TRUE; | |
| 10233 break; | |
| 10234 #endif | |
| 10235 case '{': | |
| 10236 reg_pat[i++] = '\\'; | |
| 10237 reg_pat[i++] = '('; | |
| 10238 nested++; | |
| 10239 break; | |
| 10240 case '}': | |
| 10241 reg_pat[i++] = '\\'; | |
| 10242 reg_pat[i++] = ')'; | |
| 10243 --nested; | |
| 10244 break; | |
| 10245 case ',': | |
| 10246 if (nested) | |
| 10247 { | |
| 10248 reg_pat[i++] = '\\'; | |
| 10249 reg_pat[i++] = '|'; | |
| 10250 } | |
| 10251 else | |
| 10252 reg_pat[i++] = ','; | |
| 10253 break; | |
| 10254 default: | |
| 10255 # ifdef FEAT_MBYTE | |
| 474 | 10256 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10257 reg_pat[i++] = *p++; |
| 10258 else | |
| 10259 # endif | |
| 10260 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 10261 *allow_dirs = TRUE; | |
| 10262 reg_pat[i++] = *p; | |
| 10263 break; | |
| 10264 } | |
| 10265 } | |
| 10266 if (add_dollar) | |
| 10267 reg_pat[i++] = '$'; | |
| 10268 reg_pat[i] = NUL; | |
| 10269 if (nested != 0) | |
| 10270 { | |
| 10271 if (nested < 0) | |
| 10272 EMSG(_("E219: Missing {.")); | |
| 10273 else | |
| 10274 EMSG(_("E220: Missing }.")); | |
| 10275 vim_free(reg_pat); | |
| 10276 reg_pat = NULL; | |
| 10277 } | |
| 10278 return reg_pat; | |
| 10279 } | |
| 2664 | 10280 |
| 10281 #if defined(EINTR) || defined(PROTO) | |
| 10282 /* | |
| 10283 * Version of read() that retries when interrupted by EINTR (possibly | |
| 10284 * by a SIGWINCH). | |
| 10285 */ | |
| 10286 long | |
| 10287 read_eintr(fd, buf, bufsize) | |
| 10288 int fd; | |
| 10289 void *buf; | |
| 10290 size_t bufsize; | |
| 10291 { | |
| 10292 long ret; | |
| 10293 | |
| 10294 for (;;) | |
| 10295 { | |
| 10296 ret = vim_read(fd, buf, bufsize); | |
| 10297 if (ret >= 0 || errno != EINTR) | |
| 10298 break; | |
| 10299 } | |
| 10300 return ret; | |
| 10301 } | |
| 10302 | |
| 10303 /* | |
| 10304 * Version of write() that retries when interrupted by EINTR (possibly | |
| 10305 * by a SIGWINCH). | |
| 10306 */ | |
| 10307 long | |
| 10308 write_eintr(fd, buf, bufsize) | |
| 10309 int fd; | |
| 10310 void *buf; | |
| 10311 size_t bufsize; | |
| 10312 { | |
| 10313 long ret = 0; | |
| 10314 long wlen; | |
| 10315 | |
| 10316 /* Repeat the write() so long it didn't fail, other than being interrupted | |
| 10317 * by a signal. */ | |
| 10318 while (ret < (long)bufsize) | |
| 10319 { | |
| 2666 | 10320 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
| 2664 | 10321 if (wlen < 0) |
| 10322 { | |
| 10323 if (errno != EINTR) | |
| 10324 break; | |
| 10325 } | |
| 10326 else | |
| 10327 ret += wlen; | |
| 10328 } | |
| 10329 return ret; | |
| 10330 } | |
| 10331 #endif |