Mercurial > vim
annotate src/fileio.c @ 9185:70d3337ff173 v7.4.1876
commit https://github.com/vim/vim/commit/a0055ad3a789b8eeb0c983d8a18d4bcaeaf456b8
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jun 2 18:37:05 2016 +0200
patch 7.4.1876
Problem: Typing "k" at the hit-enter prompt has no effect.
Solution: Don't assume recursive use of the prompt if a character was typed.
(Hirohito Higashi)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Thu, 02 Jun 2016 18:45:04 +0200 |
| parents | 0a3bc9fdea20 |
| children | d2b9e454c73d |
| 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 /* Is there any system that doesn't have access()? */ | |
| 574 | 28 #define USE_MCH_ACCESS |
| 7 | 29 |
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30 #if (defined(sun) || defined(__FreeBSD__)) && defined(S_ISCHR) |
| 1313 | 31 # define OPEN_CHR_FILES |
| 32 static int is_dev_fd_file(char_u *fname); | |
| 33 #endif | |
| 7 | 34 #ifdef FEAT_MBYTE |
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35 static char_u *next_fenc(char_u **pp); |
| 7 | 36 # ifdef FEAT_EVAL |
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37 static char_u *readfile_charconvert(char_u *fname, char_u *fenc, int *fdp); |
| 7 | 38 # endif |
| 39 #endif | |
| 40 #ifdef FEAT_VIMINFO | |
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41 static void check_marks_read(void); |
| 7 | 42 #endif |
| 43 #ifdef FEAT_CRYPT | |
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44 static char_u *check_for_cryptkey(char_u *cryptkey, char_u *ptr, long *sizep, off_t *filesizep, int newfile, char_u *fname, int *did_ask); |
| 7 | 45 #endif |
| 46 #ifdef UNIX | |
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47 static void set_file_time(char_u *fname, time_t atime, time_t mtime); |
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48 #endif |
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49 static int set_rw_fname(char_u *fname, char_u *sfname); |
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50 static int msg_add_fileformat(int eol_type); |
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51 static void msg_add_eol(void); |
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52 static int check_mtime(buf_T *buf, struct stat *s); |
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53 static int time_differs(long t1, long t2); |
| 7 | 54 #ifdef FEAT_AUTOCMD |
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55 static int apply_autocmds_exarg(event_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, exarg_T *eap); |
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56 static int au_find_group(char_u *name); |
| 676 | 57 |
| 58 # define AUGROUP_DEFAULT -1 /* default autocmd group */ | |
| 1834 | 59 # define AUGROUP_ERROR -2 /* erroneous autocmd group */ |
| 676 | 60 # define AUGROUP_ALL -3 /* all autocmd groups */ |
| 7 | 61 #endif |
| 62 | |
| 63 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE) | |
| 64 # define HAS_BW_FLAGS | |
| 65 # define FIO_LATIN1 0x01 /* convert Latin1 */ | |
| 66 # define FIO_UTF8 0x02 /* convert UTF-8 */ | |
| 67 # define FIO_UCS2 0x04 /* convert UCS-2 */ | |
| 68 # define FIO_UCS4 0x08 /* convert UCS-4 */ | |
| 69 # define FIO_UTF16 0x10 /* convert UTF-16 */ | |
| 70 # ifdef WIN3264 | |
| 71 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ | |
| 72 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ | |
| 73 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ | |
| 74 # endif | |
| 75 # ifdef MACOS_X | |
| 76 # define FIO_MACROMAN 0x20 /* convert MacRoman */ | |
| 77 # endif | |
| 78 # define FIO_ENDIAN_L 0x80 /* little endian */ | |
| 79 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ | |
| 80 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ | |
| 81 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ | |
| 82 # define FIO_ALL -1 /* allow all formats */ | |
| 83 #endif | |
| 84 | |
| 85 /* When converting, a read() or write() may leave some bytes to be converted | |
| 86 * for the next call. The value is guessed... */ | |
| 87 #define CONV_RESTLEN 30 | |
| 88 | |
| 89 /* We have to guess how much a sequence of bytes may expand when converting | |
| 90 * with iconv() to be able to allocate a buffer. */ | |
| 91 #define ICONV_MULT 8 | |
| 92 | |
| 93 /* | |
| 94 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
| 95 */ | |
| 96 struct bw_info | |
| 97 { | |
| 98 int bw_fd; /* file descriptor */ | |
| 99 char_u *bw_buf; /* buffer with data to be written */ | |
| 1411 | 100 int bw_len; /* length of data */ |
| 7 | 101 #ifdef HAS_BW_FLAGS |
| 102 int bw_flags; /* FIO_ flags */ | |
| 103 #endif | |
| 6122 | 104 #ifdef FEAT_CRYPT |
| 105 buf_T *bw_buffer; /* buffer being written */ | |
| 106 #endif | |
| 7 | 107 #ifdef FEAT_MBYTE |
| 108 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ | |
| 109 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
| 110 int bw_first; /* first write call */ | |
| 111 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
| 112 int bw_conv_buflen; /* size of bw_conv_buf */ | |
| 113 int bw_conv_error; /* set for conversion error */ | |
| 1947 | 114 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
| 115 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
| 7 | 116 # ifdef USE_ICONV |
| 117 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ | |
| 118 # endif | |
| 119 #endif | |
| 120 }; | |
| 121 | |
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122 static int buf_write_bytes(struct bw_info *ip); |
| 7 | 123 |
| 124 #ifdef FEAT_MBYTE | |
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125 static linenr_T readfile_linenr(linenr_T linecnt, char_u *p, char_u *endp); |
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126 static int ucs2bytes(unsigned c, char_u **pp, int flags); |
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127 static int need_conversion(char_u *fenc); |
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128 static int get_fio_flags(char_u *ptr); |
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129 static char_u *check_for_bom(char_u *p, long size, int *lenp, int flags); |
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130 static int make_bom(char_u *buf, char_u *name); |
| 7 | 131 # ifdef WIN3264 |
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132 static int get_win_fio_flags(char_u *ptr); |
| 7 | 133 # endif |
| 134 # ifdef MACOS_X | |
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135 static int get_mac_fio_flags(char_u *ptr); |
| 7 | 136 # endif |
| 137 #endif | |
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138 static int move_lines(buf_T *frombuf, buf_T *tobuf); |
| 2006 | 139 #ifdef TEMPDIRNAMES |
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140 static void vim_settempdir(char_u *tempdir); |
| 2006 | 141 #endif |
| 1834 | 142 #ifdef FEAT_AUTOCMD |
| 143 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); | |
| 144 #endif | |
| 595 | 145 |
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146 #ifdef FEAT_AUTOCMD |
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147 /* |
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148 * Set by the apply_autocmds_group function if the given event is equal to |
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149 * EVENT_FILETYPE. Used by the readfile function in order to determine if |
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150 * EVENT_BUFREADPOST triggered the EVENT_FILETYPE. |
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151 * |
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152 * Relying on this value requires one to reset it prior calling |
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153 * apply_autocmds_group. |
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154 */ |
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155 static int au_did_filetype INIT(= FALSE); |
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156 #endif |
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157 |
| 7 | 158 void |
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159 filemess( |
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160 buf_T *buf, |
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161 char_u *name, |
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162 char_u *s, |
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163 int attr) |
| 7 | 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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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 | |
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219 readfile( |
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220 char_u *fname, |
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221 char_u *sfname, |
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222 linenr_T from, |
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223 linenr_T lines_to_skip, |
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224 linenr_T lines_to_read, |
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225 exarg_T *eap, /* can be NULL! */ |
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226 int flags) |
| 7 | 227 { |
| 228 int fd = 0; | |
| 229 int newfile = (flags & READ_NEW); | |
| 230 int check_readonly; | |
| 231 int filtering = (flags & READ_FILTER); | |
| 232 int read_stdin = (flags & READ_STDIN); | |
| 233 int read_buffer = (flags & READ_BUFFER); | |
| 1486 | 234 int set_options = newfile || read_buffer |
| 235 || (eap != NULL && eap->read_edit); | |
| 7 | 236 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
| 237 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
| 238 char_u c; | |
| 239 linenr_T lnum = from; | |
| 240 char_u *ptr = NULL; /* pointer into read buffer */ | |
| 241 char_u *buffer = NULL; /* read buffer */ | |
| 242 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
| 243 char_u *line_start = NULL; /* init to shut up gcc */ | |
| 244 int wasempty; /* buffer was empty before reading */ | |
| 245 colnr_T len; | |
| 246 long size = 0; | |
| 247 char_u *p; | |
|
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248 off_t filesize = 0; |
| 7 | 249 int skip_read = FALSE; |
| 250 #ifdef FEAT_CRYPT | |
| 251 char_u *cryptkey = NULL; | |
|
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252 int did_ask_for_key = FALSE; |
| 7 | 253 #endif |
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254 #ifdef FEAT_PERSISTENT_UNDO |
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255 context_sha256_T sha_ctx; |
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256 int read_undo_file = FALSE; |
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257 #endif |
| 7 | 258 int split = 0; /* number of split lines */ |
| 259 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
| 260 linenr_T linecnt; | |
| 261 int error = FALSE; /* errors encountered */ | |
| 262 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
| 263 long linerest = 0; /* remaining chars in line */ | |
| 264 #ifdef UNIX | |
| 265 int perm = 0; | |
| 266 int swap_mode = -1; /* protection bits for swap file */ | |
| 267 #else | |
| 268 int perm; | |
| 269 #endif | |
| 270 int fileformat = 0; /* end-of-line format */ | |
| 271 int keep_fileformat = FALSE; | |
| 272 struct stat st; | |
| 273 int file_readonly; | |
| 274 linenr_T skip_count = 0; | |
| 275 linenr_T read_count = 0; | |
| 276 int msg_save = msg_scroll; | |
| 277 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
| 278 * last read was missing the eol */ | |
| 279 int try_mac = (vim_strchr(p_ffs, 'm') != NULL); | |
| 280 int try_dos = (vim_strchr(p_ffs, 'd') != NULL); | |
| 281 int try_unix = (vim_strchr(p_ffs, 'x') != NULL); | |
| 282 int file_rewind = FALSE; | |
| 283 #ifdef FEAT_MBYTE | |
| 284 int can_retry; | |
| 595 | 285 linenr_T conv_error = 0; /* line nr with conversion error */ |
| 286 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
| 7 | 287 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
| 288 in destination encoding */ | |
| 595 | 289 int bad_char_behavior = BAD_REPLACE; |
| 290 /* BAD_KEEP, BAD_DROP or character to | |
| 291 * replace with */ | |
| 7 | 292 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
| 293 int fio_flags = 0; | |
| 294 char_u *fenc; /* fileencoding to use */ | |
| 295 int fenc_alloced; /* fenc_next is in allocated memory */ | |
| 296 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
| 297 int advance_fenc = FALSE; | |
| 298 long real_size = 0; | |
| 299 # ifdef USE_ICONV | |
| 300 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ | |
| 301 # ifdef FEAT_EVAL | |
| 302 int did_iconv = FALSE; /* TRUE when iconv() failed and trying | |
| 303 'charconvert' next */ | |
| 304 # endif | |
| 305 # endif | |
| 306 int converted = FALSE; /* TRUE if conversion done */ | |
| 307 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
| 308 wasn't possible */ | |
| 309 char_u conv_rest[CONV_RESTLEN]; | |
| 310 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
| 311 #endif | |
| 1834 | 312 #ifdef FEAT_AUTOCMD |
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313 buf_T *old_curbuf; |
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314 char_u *old_b_ffname; |
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315 char_u *old_b_fname; |
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316 int using_b_ffname; |
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317 int using_b_fname; |
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318 #endif |
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319 |
|
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320 #ifdef FEAT_AUTOCMD |
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321 au_did_filetype = FALSE; /* reset before triggering any autocommands */ |
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322 #endif |
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323 |
| 2707 | 324 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 7 | 325 |
| 326 /* | |
| 327 * If there is no file name yet, use the one for the read file. | |
| 328 * BF_NOTEDITED is set to reflect this. | |
| 329 * Don't do this for a read from a filter. | |
| 330 * Only do this when 'cpoptions' contains the 'f' flag. | |
| 331 */ | |
| 332 if (curbuf->b_ffname == NULL | |
| 333 && !filtering | |
| 334 && fname != NULL | |
| 335 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
| 336 && !(flags & READ_DUMMY)) | |
| 337 { | |
| 633 | 338 if (set_rw_fname(fname, sfname) == FAIL) |
| 339 return FAIL; | |
| 7 | 340 } |
| 341 | |
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342 #ifdef FEAT_AUTOCMD |
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343 /* Remember the initial values of curbuf, curbuf->b_ffname and |
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344 * curbuf->b_fname to detect whether they are altered as a result of |
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345 * executing nasty autocommands. Also check if "fname" and "sfname" |
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346 * point to one of these values. */ |
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347 old_curbuf = curbuf; |
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348 old_b_ffname = curbuf->b_ffname; |
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349 old_b_fname = curbuf->b_fname; |
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350 using_b_ffname = (fname == curbuf->b_ffname) |
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351 || (sfname == curbuf->b_ffname); |
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352 using_b_fname = (fname == curbuf->b_fname) || (sfname == curbuf->b_fname); |
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353 #endif |
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354 |
| 167 | 355 /* After reading a file the cursor line changes but we don't want to |
| 356 * display the line. */ | |
| 357 ex_no_reprint = TRUE; | |
| 358 | |
| 968 | 359 /* don't display the file info for another buffer now */ |
| 360 need_fileinfo = FALSE; | |
| 361 | |
| 7 | 362 /* |
| 363 * For Unix: Use the short file name whenever possible. | |
| 364 * Avoids problems with networks and when directory names are changed. | |
| 365 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 366 * another directory, which we don't detect. | |
| 367 */ | |
| 368 if (sfname == NULL) | |
| 369 sfname = fname; | |
| 370 #if defined(UNIX) || defined(__EMX__) | |
| 371 fname = sfname; | |
| 372 #endif | |
| 373 | |
| 374 #ifdef FEAT_AUTOCMD | |
| 375 /* | |
| 376 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
| 377 * executing the associated commands instead. | |
| 378 */ | |
| 379 if (!filtering && !read_stdin && !read_buffer) | |
| 380 { | |
| 381 pos_T pos; | |
| 382 | |
| 383 pos = curbuf->b_op_start; | |
| 384 | |
| 385 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
| 386 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 387 curbuf->b_op_start.col = 0; | |
| 388 | |
| 389 if (newfile) | |
| 390 { | |
| 391 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
| 392 FALSE, curbuf, eap)) | |
| 393 #ifdef FEAT_EVAL | |
| 394 return aborting() ? FAIL : OK; | |
| 395 #else | |
| 396 return OK; | |
| 397 #endif | |
| 398 } | |
| 399 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
| 400 FALSE, NULL, eap)) | |
| 401 #ifdef FEAT_EVAL | |
| 402 return aborting() ? FAIL : OK; | |
| 403 #else | |
| 404 return OK; | |
| 405 #endif | |
| 406 | |
| 407 curbuf->b_op_start = pos; | |
| 408 } | |
| 409 #endif | |
| 410 | |
| 411 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
| 412 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 413 else | |
| 414 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 415 | |
| 416 /* | |
| 417 * If the name ends in a path separator, we can't open it. Check here, | |
| 418 * because reading the file may actually work, but then creating the swap | |
| 419 * file may destroy it! Reported on MS-DOS and Win 95. | |
| 420 * If the name is too long we might crash further on, quit here. | |
| 421 */ | |
| 23 | 422 if (fname != NULL && *fname != NUL) |
| 423 { | |
| 39 | 424 p = fname + STRLEN(fname); |
| 425 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
| 23 | 426 { |
| 427 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
| 428 msg_end(); | |
| 429 msg_scroll = msg_save; | |
| 430 return FAIL; | |
| 431 } | |
| 7 | 432 } |
| 433 | |
| 5322 | 434 if (!read_stdin && !read_buffer) |
| 435 { | |
| 7 | 436 #ifdef UNIX |
| 5322 | 437 /* |
| 438 * On Unix it is possible to read a directory, so we have to | |
| 439 * check for it before the mch_open(). | |
| 440 */ | |
| 7 | 441 perm = mch_getperm(fname); |
| 442 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
| 443 # ifdef S_ISFIFO | |
| 444 && !S_ISFIFO(perm) /* ... or fifo */ | |
| 445 # endif | |
| 446 # ifdef S_ISSOCK | |
| 447 && !S_ISSOCK(perm) /* ... or socket */ | |
| 448 # endif | |
| 1313 | 449 # ifdef OPEN_CHR_FILES |
| 450 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
| 451 /* ... or a character special file named /dev/fd/<n> */ | |
| 452 # endif | |
| 7 | 453 ) |
| 454 { | |
| 455 if (S_ISDIR(perm)) | |
| 456 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); | |
| 457 else | |
| 458 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
| 459 msg_end(); | |
| 460 msg_scroll = msg_save; | |
| 461 return FAIL; | |
| 462 } | |
| 5322 | 463 #endif |
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464 #if defined(MSWIN) |
| 1006 | 465 /* |
| 466 * MS-Windows allows opening a device, but we will probably get stuck | |
| 467 * trying to read it. | |
| 468 */ | |
| 469 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
| 470 { | |
| 1303 | 471 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
| 1006 | 472 msg_end(); |
| 473 msg_scroll = msg_save; | |
| 474 return FAIL; | |
| 475 } | |
| 5322 | 476 #endif |
| 477 } | |
| 1004 | 478 |
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479 /* Set default or forced 'fileformat' and 'binary'. */ |
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480 set_file_options(set_options, eap); |
| 7 | 481 |
| 482 /* | |
| 483 * When opening a new file we take the readonly flag from the file. | |
| 484 * Default is r/w, can be set to r/o below. | |
| 485 * Don't reset it when in readonly mode | |
| 486 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
| 487 */ | |
| 488 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
| 164 | 489 if (check_readonly && !readonlymode) |
| 7 | 490 curbuf->b_p_ro = FALSE; |
| 491 | |
| 492 if (newfile && !read_stdin && !read_buffer) | |
| 493 { | |
| 2823 | 494 /* Remember time of file. */ |
| 7 | 495 if (mch_stat((char *)fname, &st) >= 0) |
| 496 { | |
| 497 buf_store_time(curbuf, &st, fname); | |
| 498 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 499 #ifdef UNIX | |
| 500 /* | |
| 501 * Use the protection bits of the original file for the swap file. | |
| 502 * This makes it possible for others to read the name of the | |
| 503 * edited file from the swapfile, but only if they can read the | |
| 504 * edited file. | |
| 505 * Remove the "write" and "execute" bits for group and others | |
| 506 * (they must not write the swapfile). | |
| 507 * Add the "read" and "write" bits for the user, otherwise we may | |
| 508 * not be able to write to the file ourselves. | |
| 509 * Setting the bits is done below, after creating the swap file. | |
| 510 */ | |
| 511 swap_mode = (st.st_mode & 0644) | 0600; | |
| 512 #endif | |
| 513 #ifdef FEAT_CW_EDITOR | |
| 514 /* Get the FSSpec on MacOS | |
| 515 * TODO: Update it properly when the buffer name changes | |
| 516 */ | |
| 517 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
| 518 #endif | |
| 519 #ifdef VMS | |
| 520 curbuf->b_fab_rfm = st.st_fab_rfm; | |
| 22 | 521 curbuf->b_fab_rat = st.st_fab_rat; |
| 522 curbuf->b_fab_mrs = st.st_fab_mrs; | |
| 7 | 523 #endif |
| 524 } | |
| 525 else | |
| 526 { | |
| 527 curbuf->b_mtime = 0; | |
| 528 curbuf->b_mtime_read = 0; | |
| 529 curbuf->b_orig_size = 0; | |
| 530 curbuf->b_orig_mode = 0; | |
| 531 } | |
| 532 | |
| 533 /* Reset the "new file" flag. It will be set again below when the | |
| 534 * file doesn't exist. */ | |
| 535 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
| 536 } | |
| 537 | |
| 538 /* | |
| 539 * for UNIX: check readonly with perm and mch_access() | |
|
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540 * for Amiga: check readonly by trying to open the file for writing |
| 7 | 541 */ |
| 542 file_readonly = FALSE; | |
| 543 if (read_stdin) | |
| 544 { | |
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545 #if defined(MSWIN) |
| 7 | 546 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ |
| 547 setmode(0, O_BINARY); | |
| 548 #endif | |
| 549 } | |
| 550 else if (!read_buffer) | |
| 551 { | |
| 552 #ifdef USE_MCH_ACCESS | |
| 553 if ( | |
| 554 # ifdef UNIX | |
| 555 !(perm & 0222) || | |
| 556 # endif | |
| 557 mch_access((char *)fname, W_OK)) | |
| 558 file_readonly = TRUE; | |
| 559 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 560 #else | |
| 561 if (!newfile | |
| 562 || readonlymode | |
| 563 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
| 564 { | |
| 565 file_readonly = TRUE; | |
| 566 /* try to open ro */ | |
| 567 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 568 } | |
| 569 #endif | |
| 570 } | |
| 571 | |
| 572 if (fd < 0) /* cannot open at all */ | |
| 573 { | |
| 574 #ifndef UNIX | |
| 575 int isdir_f; | |
| 576 #endif | |
| 577 msg_scroll = msg_save; | |
| 578 #ifndef UNIX | |
| 579 /* | |
|
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580 * On Amiga we can't open a directory, check here. |
| 7 | 581 */ |
| 582 isdir_f = (mch_isdir(fname)); | |
| 583 perm = mch_getperm(fname); /* check if the file exists */ | |
| 584 if (isdir_f) | |
| 585 { | |
| 586 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
| 587 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 588 } | |
| 589 else | |
| 590 #endif | |
| 591 if (newfile) | |
| 592 { | |
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593 if (perm < 0 |
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594 #ifdef ENOENT |
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595 && errno == ENOENT |
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596 #endif |
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597 ) |
| 7 | 598 { |
| 599 /* | |
| 600 * Set the 'new-file' flag, so that when the file has | |
| 601 * been created by someone else, a ":w" will complain. | |
| 602 */ | |
| 603 curbuf->b_flags |= BF_NEW; | |
| 604 | |
| 605 /* Create a swap file now, so that other Vims are warned | |
| 606 * that we are editing this file. Don't do this for a | |
| 607 * "nofile" or "nowrite" buffer type. */ | |
| 608 #ifdef FEAT_QUICKFIX | |
| 609 if (!bt_dontwrite(curbuf)) | |
| 610 #endif | |
| 1834 | 611 { |
| 7 | 612 check_need_swap(newfile); |
| 1834 | 613 #ifdef FEAT_AUTOCMD |
| 614 /* SwapExists autocommand may mess things up */ | |
| 615 if (curbuf != old_curbuf | |
| 616 || (using_b_ffname | |
| 617 && (old_b_ffname != curbuf->b_ffname)) | |
| 618 || (using_b_fname | |
| 619 && (old_b_fname != curbuf->b_fname))) | |
| 620 { | |
| 621 EMSG(_(e_auchangedbuf)); | |
| 622 return FAIL; | |
| 623 } | |
| 624 #endif | |
| 625 } | |
| 592 | 626 if (dir_of_file_exists(fname)) |
| 627 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
| 628 else | |
| 629 filemess(curbuf, sfname, | |
| 630 (char_u *)_("[New DIRECTORY]"), 0); | |
| 7 | 631 #ifdef FEAT_VIMINFO |
| 632 /* Even though this is a new file, it might have been | |
| 633 * edited before and deleted. Get the old marks. */ | |
| 634 check_marks_read(); | |
| 635 #endif | |
| 636 #ifdef FEAT_MBYTE | |
|
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637 /* Set forced 'fileencoding'. */ |
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638 if (eap != NULL) |
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639 set_forced_fenc(eap); |
| 7 | 640 #endif |
| 641 #ifdef FEAT_AUTOCMD | |
| 642 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, | |
| 643 FALSE, curbuf, eap); | |
| 644 #endif | |
| 645 /* remember the current fileformat */ | |
| 646 save_file_ff(curbuf); | |
| 647 | |
| 648 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 649 if (aborting()) /* autocmds may abort script processing */ | |
| 650 return FAIL; | |
| 651 #endif | |
| 652 return OK; /* a new file is not an error */ | |
| 653 } | |
| 654 else | |
| 655 { | |
| 550 | 656 filemess(curbuf, sfname, (char_u *)( |
| 657 # ifdef EFBIG | |
| 658 (errno == EFBIG) ? _("[File too big]") : | |
| 659 # endif | |
|
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660 # ifdef EOVERFLOW |
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661 (errno == EOVERFLOW) ? _("[File too big]") : |
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662 # endif |
| 550 | 663 _("[Permission Denied]")), 0); |
| 7 | 664 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
| 665 } | |
| 666 } | |
| 667 | |
| 668 return FAIL; | |
| 669 } | |
| 670 | |
| 671 /* | |
| 672 * Only set the 'ro' flag for readonly files the first time they are | |
| 673 * loaded. Help files always get readonly mode | |
| 674 */ | |
| 675 if ((check_readonly && file_readonly) || curbuf->b_help) | |
| 676 curbuf->b_p_ro = TRUE; | |
| 677 | |
| 819 | 678 if (set_options) |
| 7 | 679 { |
| 1486 | 680 /* Don't change 'eol' if reading from buffer as it will already be |
| 681 * correctly set when reading stdin. */ | |
| 682 if (!read_buffer) | |
| 683 { | |
| 684 curbuf->b_p_eol = TRUE; | |
| 685 curbuf->b_start_eol = TRUE; | |
| 686 } | |
| 7 | 687 #ifdef FEAT_MBYTE |
| 688 curbuf->b_p_bomb = FALSE; | |
| 1352 | 689 curbuf->b_start_bomb = FALSE; |
| 7 | 690 #endif |
| 691 } | |
| 692 | |
| 693 /* Create a swap file now, so that other Vims are warned that we are | |
| 694 * editing this file. | |
| 695 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
| 696 #ifdef FEAT_QUICKFIX | |
| 697 if (!bt_dontwrite(curbuf)) | |
| 698 #endif | |
| 699 { | |
| 700 check_need_swap(newfile); | |
| 1834 | 701 #ifdef FEAT_AUTOCMD |
| 702 if (!read_stdin && (curbuf != old_curbuf | |
| 703 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
| 704 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
| 705 { | |
| 706 EMSG(_(e_auchangedbuf)); | |
| 707 if (!read_buffer) | |
| 708 close(fd); | |
| 709 return FAIL; | |
| 710 } | |
| 711 #endif | |
| 7 | 712 #ifdef UNIX |
| 713 /* Set swap file protection bits after creating it. */ | |
| 1918 | 714 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
| 715 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
| 7 | 716 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode); |
| 717 #endif | |
| 718 } | |
| 719 | |
| 578 | 720 #if defined(HAS_SWAP_EXISTS_ACTION) |
| 7 | 721 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
| 722 if (swap_exists_action == SEA_QUIT) | |
| 723 { | |
| 724 if (!read_buffer && !read_stdin) | |
| 725 close(fd); | |
| 726 return FAIL; | |
| 727 } | |
| 728 #endif | |
| 729 | |
| 730 ++no_wait_return; /* don't wait for return yet */ | |
| 731 | |
| 732 /* | |
| 733 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
| 734 */ | |
| 735 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
| 736 curbuf->b_op_start.col = 0; | |
| 737 | |
| 738 #ifdef FEAT_AUTOCMD | |
| 739 if (!read_buffer) | |
| 740 { | |
| 741 int m = msg_scroll; | |
| 742 int n = msg_scrolled; | |
| 743 | |
| 744 /* | |
| 745 * The file must be closed again, the autocommands may want to change | |
| 746 * the file before reading it. | |
| 747 */ | |
| 748 if (!read_stdin) | |
| 749 close(fd); /* ignore errors */ | |
| 750 | |
| 751 /* | |
| 752 * The output from the autocommands should not overwrite anything and | |
| 753 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 754 * output was done. | |
| 755 */ | |
| 756 msg_scroll = TRUE; | |
| 757 if (filtering) | |
| 758 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
| 759 FALSE, curbuf, eap); | |
| 760 else if (read_stdin) | |
| 761 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
| 762 FALSE, curbuf, eap); | |
| 763 else if (newfile) | |
| 764 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
| 765 FALSE, curbuf, eap); | |
| 766 else | |
| 767 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
| 768 FALSE, NULL, eap); | |
| 769 if (msg_scrolled == n) | |
| 770 msg_scroll = m; | |
| 771 | |
| 772 #ifdef FEAT_EVAL | |
| 773 if (aborting()) /* autocmds may abort script processing */ | |
| 774 { | |
| 775 --no_wait_return; | |
| 776 msg_scroll = msg_save; | |
| 777 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 778 return FAIL; | |
| 779 } | |
| 780 #endif | |
| 781 /* | |
| 782 * Don't allow the autocommands to change the current buffer. | |
| 783 * Try to re-open the file. | |
| 1834 | 784 * |
| 785 * Don't allow the autocommands to change the buffer name either | |
| 786 * (cd for example) if it invalidates fname or sfname. | |
| 7 | 787 */ |
| 788 if (!read_stdin && (curbuf != old_curbuf | |
| 1834 | 789 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
| 790 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
| 7 | 791 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
| 792 { | |
| 793 --no_wait_return; | |
| 794 msg_scroll = msg_save; | |
| 795 if (fd < 0) | |
| 796 EMSG(_("E200: *ReadPre autocommands made the file unreadable")); | |
| 797 else | |
| 798 EMSG(_("E201: *ReadPre autocommands must not change current buffer")); | |
| 799 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 800 return FAIL; | |
| 801 } | |
| 802 } | |
| 803 #endif /* FEAT_AUTOCMD */ | |
| 804 | |
| 805 /* Autocommands may add lines to the file, need to check if it is empty */ | |
| 806 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
| 807 | |
| 808 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
| 809 { | |
| 810 /* | |
| 811 * Show the user that we are busy reading the input. Sometimes this | |
| 812 * may take a while. When reading from stdin another program may | |
| 813 * still be running, don't move the cursor to the last line, unless | |
| 814 * always using the GUI. | |
| 815 */ | |
| 816 if (read_stdin) | |
| 817 { | |
| 818 #ifndef ALWAYS_USE_GUI | |
| 819 mch_msg(_("Vim: Reading from stdin...\n")); | |
| 820 #endif | |
| 821 #ifdef FEAT_GUI | |
| 822 /* Also write a message in the GUI window, if there is one. */ | |
| 823 if (gui.in_use && !gui.dying && !gui.starting) | |
| 824 { | |
| 825 p = (char_u *)_("Reading from stdin..."); | |
| 826 gui_write(p, (int)STRLEN(p)); | |
| 827 } | |
| 828 #endif | |
| 829 } | |
| 830 else if (!read_buffer) | |
| 831 filemess(curbuf, sfname, (char_u *)"", 0); | |
| 832 } | |
| 833 | |
| 834 msg_scroll = FALSE; /* overwrite the file message */ | |
| 835 | |
| 836 /* | |
| 837 * Set linecnt now, before the "retry" caused by a wrong guess for | |
| 838 * fileformat, and after the autocommands, which may change them. | |
| 839 */ | |
| 840 linecnt = curbuf->b_ml.ml_line_count; | |
| 841 | |
| 842 #ifdef FEAT_MBYTE | |
| 595 | 843 /* "++bad=" argument. */ |
| 844 if (eap != NULL && eap->bad_char != 0) | |
| 612 | 845 { |
| 595 | 846 bad_char_behavior = eap->bad_char; |
| 819 | 847 if (set_options) |
| 612 | 848 curbuf->b_bad_char = eap->bad_char; |
| 849 } | |
| 850 else | |
| 851 curbuf->b_bad_char = 0; | |
| 595 | 852 |
| 7 | 853 /* |
| 595 | 854 * Decide which 'encoding' to use or use first. |
| 7 | 855 */ |
| 856 if (eap != NULL && eap->force_enc != 0) | |
| 857 { | |
| 858 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
| 859 fenc_alloced = TRUE; | |
| 595 | 860 keep_dest_enc = TRUE; |
| 7 | 861 } |
| 862 else if (curbuf->b_p_bin) | |
| 863 { | |
| 864 fenc = (char_u *)""; /* binary: don't convert */ | |
| 865 fenc_alloced = FALSE; | |
| 866 } | |
| 867 else if (curbuf->b_help) | |
| 868 { | |
| 869 char_u firstline[80]; | |
| 301 | 870 int fc; |
| 7 | 871 |
| 872 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
| 873 * fails it must be latin1. | |
| 874 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
| 875 * this when needed to avoid [converted] remarks all the time. | |
| 876 * It is needed when the first line contains non-ASCII characters. | |
| 877 * That is only in *.??x files. */ | |
| 878 fenc = (char_u *)"latin1"; | |
| 879 c = enc_utf8; | |
| 301 | 880 if (!c && !read_stdin) |
| 881 { | |
| 882 fc = fname[STRLEN(fname) - 1]; | |
| 883 if (TOLOWER_ASC(fc) == 'x') | |
| 884 { | |
| 885 /* Read the first line (and a bit more). Immediately rewind to | |
| 886 * the start of the file. If the read() fails "len" is -1. */ | |
| 2664 | 887 len = read_eintr(fd, firstline, 80); |
| 301 | 888 lseek(fd, (off_t)0L, SEEK_SET); |
| 889 for (p = firstline; p < firstline + len; ++p) | |
| 890 if (*p >= 0x80) | |
| 891 { | |
| 892 c = TRUE; | |
| 893 break; | |
| 894 } | |
| 895 } | |
| 7 | 896 } |
| 897 | |
| 898 if (c) | |
| 899 { | |
| 900 fenc_next = fenc; | |
| 901 fenc = (char_u *)"utf-8"; | |
| 902 | |
| 903 /* When the file is utf-8 but a character doesn't fit in | |
| 904 * 'encoding' don't retry. In help text editing utf-8 bytes | |
| 905 * doesn't make sense. */ | |
| 844 | 906 if (!enc_utf8) |
| 907 keep_dest_enc = TRUE; | |
| 7 | 908 } |
| 909 fenc_alloced = FALSE; | |
| 910 } | |
| 911 else if (*p_fencs == NUL) | |
| 912 { | |
| 913 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
| 914 fenc_alloced = FALSE; | |
| 915 } | |
| 916 else | |
| 917 { | |
| 918 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
| 919 fenc = next_fenc(&fenc_next); | |
| 920 fenc_alloced = TRUE; | |
| 921 } | |
| 922 #endif | |
| 923 | |
| 924 /* | |
| 925 * Jump back here to retry reading the file in different ways. | |
| 926 * Reasons to retry: | |
| 927 * - encoding conversion failed: try another one from "fenc_next" | |
| 928 * - BOM detected and fenc was set, need to setup conversion | |
| 929 * - "fileformat" check failed: try another | |
| 930 * | |
| 931 * Variables set for special retry actions: | |
| 932 * "file_rewind" Rewind the file to start reading it again. | |
| 933 * "advance_fenc" Advance "fenc" using "fenc_next". | |
| 934 * "skip_read" Re-use already read bytes (BOM detected). | |
| 935 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
| 936 * "keep_fileformat" Don't reset "fileformat". | |
| 937 * | |
| 938 * Other status indicators: | |
| 939 * "tmpname" When != NULL did conversion with 'charconvert'. | |
| 940 * Output file has to be deleted afterwards. | |
| 941 * "iconv_fd" When != -1 did conversion with iconv(). | |
| 942 */ | |
| 943 retry: | |
| 944 | |
| 945 if (file_rewind) | |
| 946 { | |
| 947 if (read_buffer) | |
| 948 { | |
| 949 read_buf_lnum = 1; | |
| 950 read_buf_col = 0; | |
| 951 } | |
| 952 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0) | |
| 953 { | |
| 954 /* Can't rewind the file, give up. */ | |
| 955 error = TRUE; | |
| 956 goto failed; | |
| 957 } | |
| 958 /* Delete the previously read lines. */ | |
| 959 while (lnum > from) | |
| 960 ml_delete(lnum--, FALSE); | |
| 961 file_rewind = FALSE; | |
| 962 #ifdef FEAT_MBYTE | |
| 819 | 963 if (set_options) |
| 1352 | 964 { |
| 7 | 965 curbuf->b_p_bomb = FALSE; |
| 1352 | 966 curbuf->b_start_bomb = FALSE; |
| 967 } | |
| 595 | 968 conv_error = 0; |
| 7 | 969 #endif |
| 970 } | |
| 971 | |
| 972 /* | |
| 973 * When retrying with another "fenc" and the first time "fileformat" | |
| 974 * will be reset. | |
| 975 */ | |
| 976 if (keep_fileformat) | |
| 977 keep_fileformat = FALSE; | |
| 978 else | |
| 979 { | |
| 980 if (eap != NULL && eap->force_ff != 0) | |
| 1742 | 981 { |
| 7 | 982 fileformat = get_fileformat_force(curbuf, eap); |
| 1742 | 983 try_unix = try_dos = try_mac = FALSE; |
| 984 } | |
| 7 | 985 else if (curbuf->b_p_bin) |
| 986 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
| 987 else if (*p_ffs == NUL) | |
| 988 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
| 989 else | |
| 990 fileformat = EOL_UNKNOWN; /* detect from file */ | |
| 991 } | |
| 992 | |
| 993 #ifdef FEAT_MBYTE | |
| 994 # ifdef USE_ICONV | |
| 995 if (iconv_fd != (iconv_t)-1) | |
| 996 { | |
| 997 /* aborted conversion with iconv(), close the descriptor */ | |
| 998 iconv_close(iconv_fd); | |
| 999 iconv_fd = (iconv_t)-1; | |
| 1000 } | |
| 1001 # endif | |
| 1002 | |
| 1003 if (advance_fenc) | |
| 1004 { | |
| 1005 /* | |
| 1006 * Try the next entry in 'fileencodings'. | |
| 1007 */ | |
| 1008 advance_fenc = FALSE; | |
| 1009 | |
| 1010 if (eap != NULL && eap->force_enc != 0) | |
| 1011 { | |
| 1012 /* Conversion given with "++cc=" wasn't possible, read | |
| 1013 * without conversion. */ | |
| 1014 notconverted = TRUE; | |
| 595 | 1015 conv_error = 0; |
| 7 | 1016 if (fenc_alloced) |
| 1017 vim_free(fenc); | |
| 1018 fenc = (char_u *)""; | |
| 1019 fenc_alloced = FALSE; | |
| 1020 } | |
| 1021 else | |
| 1022 { | |
| 1023 if (fenc_alloced) | |
| 1024 vim_free(fenc); | |
| 1025 if (fenc_next != NULL) | |
| 1026 { | |
| 1027 fenc = next_fenc(&fenc_next); | |
| 1028 fenc_alloced = (fenc_next != NULL); | |
| 1029 } | |
| 1030 else | |
| 1031 { | |
| 1032 fenc = (char_u *)""; | |
| 1033 fenc_alloced = FALSE; | |
| 1034 } | |
| 1035 } | |
| 1036 if (tmpname != NULL) | |
| 1037 { | |
| 1038 mch_remove(tmpname); /* delete converted file */ | |
| 1039 vim_free(tmpname); | |
| 1040 tmpname = NULL; | |
| 1041 } | |
| 1042 } | |
| 1043 | |
| 1044 /* | |
| 1948 | 1045 * Conversion may be required when the encoding of the file is different |
| 1046 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
| 7 | 1047 */ |
| 1048 fio_flags = 0; | |
| 1948 | 1049 converted = need_conversion(fenc); |
| 1050 if (converted) | |
| 7 | 1051 { |
| 1052 | |
| 1053 /* "ucs-bom" means we need to check the first bytes of the file | |
| 1054 * for a BOM. */ | |
| 1055 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
| 1056 fio_flags = FIO_UCSBOM; | |
| 1057 | |
| 1058 /* | |
| 1059 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
| 1060 * done. This is handled below after read(). Prepare the | |
| 1061 * fio_flags to avoid having to parse the string each time. | |
| 1062 * Also check for Unicode to Latin1 conversion, because iconv() | |
| 1063 * appears not to handle this correctly. This works just like | |
| 1064 * conversion to UTF-8 except how the resulting character is put in | |
| 1065 * the buffer. | |
| 1066 */ | |
| 1067 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 1068 fio_flags = get_fio_flags(fenc); | |
| 1069 | |
| 1070 # ifdef WIN3264 | |
| 1071 /* | |
| 1072 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
| 1073 * is handled with MultiByteToWideChar(). | |
| 1074 */ | |
| 1075 if (fio_flags == 0) | |
| 1076 fio_flags = get_win_fio_flags(fenc); | |
| 1077 # endif | |
| 1078 | |
| 1079 # ifdef MACOS_X | |
| 1080 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ | |
| 1081 if (fio_flags == 0) | |
| 1082 fio_flags = get_mac_fio_flags(fenc); | |
| 1083 # endif | |
| 1084 | |
| 1085 # ifdef USE_ICONV | |
| 1086 /* | |
| 1087 * Try using iconv() if we can't convert internally. | |
| 1088 */ | |
| 1089 if (fio_flags == 0 | |
| 1090 # ifdef FEAT_EVAL | |
| 1091 && !did_iconv | |
| 1092 # endif | |
| 1093 ) | |
| 1094 iconv_fd = (iconv_t)my_iconv_open( | |
| 1095 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
| 1096 # endif | |
| 1097 | |
| 1098 # ifdef FEAT_EVAL | |
| 1099 /* | |
| 1100 * Use the 'charconvert' expression when conversion is required | |
| 1101 * and we can't do it internally or with iconv(). | |
| 1102 */ | |
| 1103 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
| 1104 # ifdef USE_ICONV | |
| 1105 && iconv_fd == (iconv_t)-1 | |
| 1106 # endif | |
| 1107 ) | |
| 1108 { | |
| 1109 # ifdef USE_ICONV | |
| 1110 did_iconv = FALSE; | |
| 1111 # endif | |
| 1112 /* Skip conversion when it's already done (retry for wrong | |
| 1113 * "fileformat"). */ | |
| 1114 if (tmpname == NULL) | |
| 1115 { | |
| 1116 tmpname = readfile_charconvert(fname, fenc, &fd); | |
| 1117 if (tmpname == NULL) | |
| 1118 { | |
| 1119 /* Conversion failed. Try another one. */ | |
| 1120 advance_fenc = TRUE; | |
| 1121 if (fd < 0) | |
| 1122 { | |
| 1123 /* Re-opening the original file failed! */ | |
| 1124 EMSG(_("E202: Conversion made file unreadable!")); | |
| 1125 error = TRUE; | |
| 1126 goto failed; | |
| 1127 } | |
| 1128 goto retry; | |
| 1129 } | |
| 1130 } | |
| 1131 } | |
| 1132 else | |
| 1133 # endif | |
| 1134 { | |
| 1135 if (fio_flags == 0 | |
| 1136 # ifdef USE_ICONV | |
| 1137 && iconv_fd == (iconv_t)-1 | |
| 1138 # endif | |
| 1139 ) | |
| 1140 { | |
| 1141 /* Conversion wanted but we can't. | |
| 1142 * Try the next conversion in 'fileencodings' */ | |
| 1143 advance_fenc = TRUE; | |
| 1144 goto retry; | |
| 1145 } | |
| 1146 } | |
| 1147 } | |
| 1148 | |
| 595 | 1149 /* Set "can_retry" when it's possible to rewind the file and try with |
| 7 | 1150 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
| 595 | 1151 * stdin or fixed at a specific encoding. */ |
| 1152 can_retry = (*fenc != NUL && !read_stdin && !keep_dest_enc); | |
| 7 | 1153 #endif |
| 1154 | |
| 1155 if (!skip_read) | |
| 1156 { | |
| 1157 linerest = 0; | |
| 1158 filesize = 0; | |
| 1159 skip_count = lines_to_skip; | |
| 1160 read_count = lines_to_read; | |
| 1161 #ifdef FEAT_MBYTE | |
| 1162 conv_restlen = 0; | |
| 1163 #endif | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1164 #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
|
1165 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
|
1166 && 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
|
1167 && 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
|
1168 && !filtering |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1169 && !read_stdin |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
1170 && !read_buffer); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1171 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
|
1172 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
|
1173 #endif |
| 6122 | 1174 #ifdef FEAT_CRYPT |
| 1175 if (curbuf->b_cryptstate != NULL) | |
| 1176 { | |
| 1177 /* Need to free the state, but keep the key, don't want to ask for | |
| 1178 * it again. */ | |
| 1179 crypt_free_state(curbuf->b_cryptstate); | |
| 1180 curbuf->b_cryptstate = NULL; | |
| 1181 } | |
| 1182 #endif | |
| 7 | 1183 } |
| 1184 | |
| 1185 while (!error && !got_int) | |
| 1186 { | |
| 1187 /* | |
| 1188 * We allocate as much space for the file as we can get, plus | |
| 1189 * space for the old line plus room for one terminating NUL. | |
| 1190 * The amount is limited by the fact that read() only can read | |
| 1191 * upto max_unsigned characters (and other things). | |
| 1192 */ | |
| 5684 | 1193 #if VIM_SIZEOF_INT <= 2 |
| 7 | 1194 if (linerest >= 0x7ff0) |
| 1195 { | |
| 1196 ++split; | |
| 1197 *ptr = NL; /* split line by inserting a NL */ | |
| 1198 size = 1; | |
| 1199 } | |
| 1200 else | |
| 1201 #endif | |
| 1202 { | |
| 1203 if (!skip_read) | |
| 1204 { | |
| 5684 | 1205 #if VIM_SIZEOF_INT > 2 |
| 1076 | 1206 # if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
| 7 | 1207 size = SSIZE_MAX; /* use max I/O size, 52K */ |
| 1208 # else | |
| 1209 size = 0x10000L; /* use buffer >= 64K */ | |
| 1210 # endif | |
| 1211 #else | |
| 1212 size = 0x7ff0L - linerest; /* limit buffer to 32K */ | |
| 1213 #endif | |
| 1214 | |
| 836 | 1215 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
| 7 | 1216 { |
| 1217 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
| 1218 FALSE)) != NULL) | |
| 1219 break; | |
| 1220 } | |
| 1221 if (new_buffer == NULL) | |
| 1222 { | |
| 1223 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
| 1224 error = TRUE; | |
| 1225 break; | |
| 1226 } | |
| 1227 if (linerest) /* copy characters from the previous buffer */ | |
| 1228 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
| 1229 vim_free(buffer); | |
| 1230 buffer = new_buffer; | |
| 1231 ptr = buffer + linerest; | |
| 1232 line_start = buffer; | |
| 1233 | |
| 1234 #ifdef FEAT_MBYTE | |
| 1235 /* May need room to translate into. | |
| 1236 * For iconv() we don't really know the required space, use a | |
| 1237 * factor ICONV_MULT. | |
| 1238 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
| 1239 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
| 1240 * become up to 4 bytes, size must be multiple of 2 | |
| 1241 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
| 1242 * multiple of 2 | |
| 1243 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
| 1244 * multiple of 4 */ | |
| 835 | 1245 real_size = (int)size; |
| 7 | 1246 # ifdef USE_ICONV |
| 1247 if (iconv_fd != (iconv_t)-1) | |
| 1248 size = size / ICONV_MULT; | |
| 1249 else | |
| 1250 # endif | |
| 1251 if (fio_flags & FIO_LATIN1) | |
| 1252 size = size / 2; | |
| 1253 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1254 size = (size * 2 / 3) & ~1; | |
| 1255 else if (fio_flags & FIO_UCS4) | |
| 1256 size = (size * 2 / 3) & ~3; | |
| 1257 else if (fio_flags == FIO_UCSBOM) | |
| 1258 size = size / ICONV_MULT; /* worst case */ | |
| 1259 # ifdef WIN3264 | |
| 1260 else if (fio_flags & FIO_CODEPAGE) | |
| 1261 size = size / ICONV_MULT; /* also worst case */ | |
| 1262 # endif | |
| 1263 # ifdef MACOS_X | |
| 1264 else if (fio_flags & FIO_MACROMAN) | |
| 1265 size = size / ICONV_MULT; /* also worst case */ | |
| 1266 # endif | |
| 1267 #endif | |
| 1268 | |
| 1269 #ifdef FEAT_MBYTE | |
| 1270 if (conv_restlen > 0) | |
| 1271 { | |
| 1272 /* Insert unconverted bytes from previous line. */ | |
| 1273 mch_memmove(ptr, conv_rest, conv_restlen); | |
| 1274 ptr += conv_restlen; | |
| 1275 size -= conv_restlen; | |
| 1276 } | |
| 1277 #endif | |
| 1278 | |
| 1279 if (read_buffer) | |
| 1280 { | |
| 1281 /* | |
| 1282 * Read bytes from curbuf. Used for converting text read | |
| 1283 * from stdin. | |
| 1284 */ | |
| 1285 if (read_buf_lnum > from) | |
| 1286 size = 0; | |
| 1287 else | |
| 1288 { | |
| 1289 int n, ni; | |
| 1290 long tlen; | |
| 1291 | |
| 1292 tlen = 0; | |
| 1293 for (;;) | |
| 1294 { | |
| 1295 p = ml_get(read_buf_lnum) + read_buf_col; | |
| 1296 n = (int)STRLEN(p); | |
| 1297 if ((int)tlen + n + 1 > size) | |
| 1298 { | |
| 1299 /* Filled up to "size", append partial line. | |
| 1300 * Change NL to NUL to reverse the effect done | |
| 1301 * below. */ | |
| 835 | 1302 n = (int)(size - tlen); |
| 7 | 1303 for (ni = 0; ni < n; ++ni) |
| 1304 { | |
| 1305 if (p[ni] == NL) | |
| 1306 ptr[tlen++] = NUL; | |
| 1307 else | |
| 1308 ptr[tlen++] = p[ni]; | |
| 1309 } | |
| 1310 read_buf_col += n; | |
| 1311 break; | |
| 1312 } | |
| 1313 else | |
| 1314 { | |
| 1315 /* Append whole line and new-line. Change NL | |
| 1316 * to NUL to reverse the effect done below. */ | |
| 1317 for (ni = 0; ni < n; ++ni) | |
| 1318 { | |
| 1319 if (p[ni] == NL) | |
| 1320 ptr[tlen++] = NUL; | |
| 1321 else | |
| 1322 ptr[tlen++] = p[ni]; | |
| 1323 } | |
| 1324 ptr[tlen++] = NL; | |
| 1325 read_buf_col = 0; | |
| 1326 if (++read_buf_lnum > from) | |
| 1327 { | |
| 1328 /* When the last line didn't have an | |
| 1329 * end-of-line don't add it now either. */ | |
| 1330 if (!curbuf->b_p_eol) | |
| 1331 --tlen; | |
| 1332 size = tlen; | |
| 1333 break; | |
| 1334 } | |
| 1335 } | |
| 1336 } | |
| 1337 } | |
| 1338 } | |
| 1339 else | |
| 1340 { | |
| 1341 /* | |
| 1342 * Read bytes from the file. | |
| 1343 */ | |
| 2664 | 1344 size = read_eintr(fd, ptr, size); |
| 7 | 1345 } |
| 1346 | |
| 6122 | 1347 #ifdef FEAT_CRYPT |
| 1348 /* | |
| 1349 * At start of file: Check for magic number of encryption. | |
| 1350 */ | |
| 1351 if (filesize == 0 && size > 0) | |
| 1352 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
| 1353 &filesize, newfile, sfname, | |
| 1354 &did_ask_for_key); | |
| 1355 /* | |
| 1356 * Decrypt the read bytes. This is done before checking for | |
| 1357 * EOF because the crypt layer may be buffering. | |
| 1358 */ | |
| 1359 if (cryptkey != NULL && size > 0) | |
| 1360 { | |
| 1361 if (crypt_works_inplace(curbuf->b_cryptstate)) | |
| 1362 { | |
| 1363 crypt_decode_inplace(curbuf->b_cryptstate, ptr, size); | |
| 1364 } | |
| 1365 else | |
| 1366 { | |
| 1367 char_u *newptr = NULL; | |
| 1368 int decrypted_size; | |
| 1369 | |
| 1370 decrypted_size = crypt_decode_alloc( | |
| 1371 curbuf->b_cryptstate, ptr, size, &newptr); | |
| 1372 | |
| 1373 /* If the crypt layer is buffering, not producing | |
| 1374 * anything yet, need to read more. */ | |
| 1375 if (size > 0 && decrypted_size == 0) | |
| 1376 continue; | |
| 1377 | |
| 1378 if (linerest == 0) | |
| 1379 { | |
| 1380 /* Simple case: reuse returned buffer (may be | |
| 1381 * NULL, checked later). */ | |
| 1382 new_buffer = newptr; | |
| 1383 } | |
| 1384 else | |
| 1385 { | |
| 1386 long_u new_size; | |
| 1387 | |
| 1388 /* Need new buffer to add bytes carried over. */ | |
| 1389 new_size = (long_u)(decrypted_size + linerest + 1); | |
| 1390 new_buffer = lalloc(new_size, FALSE); | |
| 1391 if (new_buffer == NULL) | |
| 1392 { | |
| 1393 do_outofmem_msg(new_size); | |
| 1394 error = TRUE; | |
| 1395 break; | |
| 1396 } | |
| 1397 | |
| 1398 mch_memmove(new_buffer, buffer, linerest); | |
| 1399 if (newptr != NULL) | |
| 1400 mch_memmove(new_buffer + linerest, newptr, | |
| 1401 decrypted_size); | |
| 1402 } | |
| 1403 | |
| 1404 if (new_buffer != NULL) | |
| 1405 { | |
| 1406 vim_free(buffer); | |
| 1407 buffer = new_buffer; | |
| 1408 new_buffer = NULL; | |
| 1409 line_start = buffer; | |
| 1410 ptr = buffer + linerest; | |
| 1411 } | |
| 1412 size = decrypted_size; | |
| 1413 } | |
| 1414 } | |
| 1415 #endif | |
| 1416 | |
| 7 | 1417 if (size <= 0) |
| 1418 { | |
| 1419 if (size < 0) /* read error */ | |
| 1420 error = TRUE; | |
| 1421 #ifdef FEAT_MBYTE | |
| 1422 else if (conv_restlen > 0) | |
| 595 | 1423 { |
| 1597 | 1424 /* |
| 1425 * Reached end-of-file but some trailing bytes could | |
| 1426 * not be converted. Truncated file? | |
| 1427 */ | |
| 1428 | |
| 1429 /* When we did a conversion report an error. */ | |
| 1430 if (fio_flags != 0 | |
| 1431 # ifdef USE_ICONV | |
| 1432 || iconv_fd != (iconv_t)-1 | |
| 1433 # endif | |
| 1434 ) | |
| 1435 { | |
| 4331 | 1436 if (can_retry) |
| 1437 goto rewind_retry; | |
| 1597 | 1438 if (conv_error == 0) |
| 1439 conv_error = curbuf->b_ml.ml_line_count | |
| 1440 - linecnt + 1; | |
| 1441 } | |
| 1442 /* Remember the first linenr with an illegal byte */ | |
| 1443 else if (illegal_byte == 0) | |
| 1444 illegal_byte = curbuf->b_ml.ml_line_count | |
| 1445 - linecnt + 1; | |
| 1446 if (bad_char_behavior == BAD_DROP) | |
| 595 | 1447 { |
| 1597 | 1448 *(ptr - conv_restlen) = NUL; |
| 1449 conv_restlen = 0; | |
| 1450 } | |
| 1451 else | |
| 1452 { | |
| 1453 /* Replace the trailing bytes with the replacement | |
| 1454 * character if we were converting; if we weren't, | |
| 1455 * leave the UTF8 checking code to do it, as it | |
| 1456 * works slightly differently. */ | |
| 1457 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
| 1458 # ifdef USE_ICONV | |
| 1459 || iconv_fd != (iconv_t)-1 | |
| 1460 # endif | |
| 1461 )) | |
| 1462 { | |
| 1463 while (conv_restlen > 0) | |
| 1464 { | |
| 1465 *(--ptr) = bad_char_behavior; | |
| 1466 --conv_restlen; | |
| 1467 } | |
| 1468 } | |
| 595 | 1469 fio_flags = 0; /* don't convert this */ |
| 834 | 1470 # ifdef USE_ICONV |
| 1471 if (iconv_fd != (iconv_t)-1) | |
| 1472 { | |
| 1473 iconv_close(iconv_fd); | |
| 1474 iconv_fd = (iconv_t)-1; | |
| 1475 } | |
| 1476 # endif | |
| 595 | 1477 } |
| 1478 } | |
| 7 | 1479 #endif |
| 1480 } | |
| 1481 } | |
| 1482 skip_read = FALSE; | |
| 1483 | |
| 1484 #ifdef FEAT_MBYTE | |
| 1485 /* | |
| 1486 * At start of file (or after crypt magic number): Check for BOM. | |
| 1487 * Also check for a BOM for other Unicode encodings, but not after | |
| 1488 * converting with 'charconvert' or when a BOM has already been | |
| 1489 * found. | |
| 1490 */ | |
| 1491 if ((filesize == 0 | |
| 1492 # ifdef FEAT_CRYPT | |
| 6122 | 1493 || (cryptkey != NULL |
| 1494 && filesize == crypt_get_header_len( | |
| 1495 crypt_get_method_nr(curbuf))) | |
| 7 | 1496 # endif |
| 1497 ) | |
| 1498 && (fio_flags == FIO_UCSBOM | |
| 1499 || (!curbuf->b_p_bomb | |
| 1500 && tmpname == NULL | |
| 1501 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
| 1502 { | |
| 1503 char_u *ccname; | |
| 1504 int blen; | |
| 1505 | |
| 1506 /* no BOM detection in a short file or in binary mode */ | |
| 1507 if (size < 2 || curbuf->b_p_bin) | |
| 1508 ccname = NULL; | |
| 1509 else | |
| 1510 ccname = check_for_bom(ptr, size, &blen, | |
| 1511 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
| 1512 if (ccname != NULL) | |
| 1513 { | |
| 1514 /* Remove BOM from the text */ | |
| 1515 filesize += blen; | |
| 1516 size -= blen; | |
| 1517 mch_memmove(ptr, ptr + blen, (size_t)size); | |
| 819 | 1518 if (set_options) |
| 1352 | 1519 { |
| 7 | 1520 curbuf->b_p_bomb = TRUE; |
| 1352 | 1521 curbuf->b_start_bomb = TRUE; |
| 1522 } | |
| 7 | 1523 } |
| 1524 | |
| 1525 if (fio_flags == FIO_UCSBOM) | |
| 1526 { | |
| 1527 if (ccname == NULL) | |
| 1528 { | |
| 1529 /* No BOM detected: retry with next encoding. */ | |
| 1530 advance_fenc = TRUE; | |
| 1531 } | |
| 1532 else | |
| 1533 { | |
| 1534 /* BOM detected: set "fenc" and jump back */ | |
| 1535 if (fenc_alloced) | |
| 1536 vim_free(fenc); | |
| 1537 fenc = ccname; | |
| 1538 fenc_alloced = FALSE; | |
| 1539 } | |
| 1540 /* retry reading without getting new bytes or rewinding */ | |
| 1541 skip_read = TRUE; | |
| 1542 goto retry; | |
| 1543 } | |
| 1544 } | |
| 1597 | 1545 |
| 1546 /* Include not converted bytes. */ | |
| 1547 ptr -= conv_restlen; | |
| 1548 size += conv_restlen; | |
| 1549 conv_restlen = 0; | |
| 7 | 1550 #endif |
| 1551 /* | |
| 1552 * Break here for a read error or end-of-file. | |
| 1553 */ | |
| 1554 if (size <= 0) | |
| 1555 break; | |
| 1556 | |
| 1557 #ifdef FEAT_MBYTE | |
| 1558 | |
| 1559 # ifdef USE_ICONV | |
| 1560 if (iconv_fd != (iconv_t)-1) | |
| 1561 { | |
| 1562 /* | |
| 1563 * Attempt conversion of the read bytes to 'encoding' using | |
| 1564 * iconv(). | |
| 1565 */ | |
| 1566 const char *fromp; | |
| 1567 char *top; | |
| 1568 size_t from_size; | |
| 1569 size_t to_size; | |
| 1570 | |
| 1571 fromp = (char *)ptr; | |
| 1572 from_size = size; | |
| 1573 ptr += size; | |
| 1574 top = (char *)ptr; | |
| 1575 to_size = real_size - size; | |
| 1576 | |
| 1577 /* | |
| 1578 * If there is conversion error or not enough room try using | |
| 179 | 1579 * another conversion. Except for when there is no |
| 1580 * alternative (help files). | |
| 7 | 1581 */ |
| 177 | 1582 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
| 1583 &top, &to_size) | |
| 7 | 1584 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
| 1585 || from_size > CONV_RESTLEN) | |
| 177 | 1586 { |
| 595 | 1587 if (can_retry) |
| 375 | 1588 goto rewind_retry; |
| 595 | 1589 if (conv_error == 0) |
| 1590 conv_error = readfile_linenr(linecnt, | |
| 1591 ptr, (char_u *)top); | |
| 1592 | |
| 1593 /* Deal with a bad byte and continue with the next. */ | |
| 177 | 1594 ++fromp; |
| 1595 --from_size; | |
| 595 | 1596 if (bad_char_behavior == BAD_KEEP) |
| 1597 { | |
| 1598 *top++ = *(fromp - 1); | |
| 1599 --to_size; | |
| 1600 } | |
| 1601 else if (bad_char_behavior != BAD_DROP) | |
| 1602 { | |
| 1603 *top++ = bad_char_behavior; | |
| 1604 --to_size; | |
| 1605 } | |
| 177 | 1606 } |
| 7 | 1607 |
| 1608 if (from_size > 0) | |
| 1609 { | |
| 1610 /* Some remaining characters, keep them for the next | |
| 1611 * round. */ | |
| 1612 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
| 1613 conv_restlen = (int)from_size; | |
| 1614 } | |
| 1615 | |
| 1616 /* move the linerest to before the converted characters */ | |
| 1617 line_start = ptr - linerest; | |
| 1618 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 1619 size = (long)((char_u *)top - ptr); | |
| 1620 } | |
| 1621 # endif | |
| 1622 | |
| 1623 # ifdef WIN3264 | |
| 1624 if (fio_flags & FIO_CODEPAGE) | |
| 1625 { | |
| 595 | 1626 char_u *src, *dst; |
| 1627 WCHAR ucs2buf[3]; | |
| 1628 int ucs2len; | |
| 1629 int codepage = FIO_GET_CP(fio_flags); | |
| 1630 int bytelen; | |
| 1631 int found_bad; | |
| 1632 char replstr[2]; | |
| 1633 | |
| 7 | 1634 /* |
| 1635 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
| 595 | 1636 * a codepage, using standard MS-Windows functions. This |
| 1637 * requires two steps: | |
| 1638 * 1. convert from 'fileencoding' to ucs-2 | |
| 1639 * 2. convert from ucs-2 to 'encoding' | |
| 1640 * | |
| 1641 * Because there may be illegal bytes AND an incomplete byte | |
| 1642 * sequence at the end, we may have to do the conversion one | |
| 1643 * character at a time to get it right. | |
| 7 | 1644 */ |
| 595 | 1645 |
| 1646 /* Replacement string for WideCharToMultiByte(). */ | |
| 1647 if (bad_char_behavior > 0) | |
| 1648 replstr[0] = bad_char_behavior; | |
| 1649 else | |
| 1650 replstr[0] = '?'; | |
| 1651 replstr[1] = NUL; | |
| 1652 | |
| 1653 /* | |
| 1654 * Move the bytes to the end of the buffer, so that we have | |
| 1655 * room to put the result at the start. | |
| 1656 */ | |
| 1657 src = ptr + real_size - size; | |
| 1658 mch_memmove(src, ptr, size); | |
| 7 | 1659 |
| 1660 /* | |
| 595 | 1661 * Do the conversion. |
| 7 | 1662 */ |
| 595 | 1663 dst = ptr; |
| 1664 size = size; | |
| 1665 while (size > 0) | |
| 7 | 1666 { |
| 595 | 1667 found_bad = FALSE; |
| 7 | 1668 |
| 1669 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 595 | 1670 if (codepage == CP_UTF8) |
| 7 | 1671 { |
| 595 | 1672 /* Handle CP_UTF8 input ourselves to be able to handle |
| 1673 * trailing bytes properly. | |
| 1674 * Get one UTF-8 character from src. */ | |
| 835 | 1675 bytelen = (int)utf_ptr2len_len(src, size); |
| 595 | 1676 if (bytelen > size) |
| 1677 { | |
| 1678 /* Only got some bytes of a character. Normally | |
| 1679 * it's put in "conv_rest", but if it's too long | |
| 1680 * deal with it as if they were illegal bytes. */ | |
| 1681 if (bytelen <= CONV_RESTLEN) | |
| 1682 break; | |
| 1683 | |
| 1684 /* weird overlong byte sequence */ | |
| 1685 bytelen = size; | |
| 1686 found_bad = TRUE; | |
| 1687 } | |
| 1688 else | |
| 1689 { | |
| 799 | 1690 int u8c = utf_ptr2char(src); |
| 1691 | |
| 622 | 1692 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
| 595 | 1693 found_bad = TRUE; |
| 1694 ucs2buf[0] = u8c; | |
| 1695 ucs2len = 1; | |
| 1696 } | |
| 7 | 1697 } |
| 595 | 1698 else |
| 7 | 1699 # endif |
| 595 | 1700 { |
| 1701 /* We don't know how long the byte sequence is, try | |
| 1702 * from one to three bytes. */ | |
| 1703 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
| 1704 ++bytelen) | |
| 1705 { | |
| 1706 ucs2len = MultiByteToWideChar(codepage, | |
| 1707 MB_ERR_INVALID_CHARS, | |
| 1708 (LPCSTR)src, bytelen, | |
| 1709 ucs2buf, 3); | |
| 1710 if (ucs2len > 0) | |
| 1711 break; | |
| 1712 } | |
| 1713 if (ucs2len == 0) | |
| 1714 { | |
| 1715 /* If we have only one byte then it's probably an | |
| 1716 * incomplete byte sequence. Otherwise discard | |
| 1717 * one byte as a bad character. */ | |
| 1718 if (size == 1) | |
| 1719 break; | |
| 1720 found_bad = TRUE; | |
| 1721 bytelen = 1; | |
| 1722 } | |
| 1723 } | |
| 1724 | |
| 1725 if (!found_bad) | |
| 7 | 1726 { |
| 595 | 1727 int i; |
| 1728 | |
| 1729 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
| 1730 if (enc_utf8) | |
| 1731 { | |
| 1732 /* From UCS-2 to UTF-8. Cannot fail. */ | |
| 1733 for (i = 0; i < ucs2len; ++i) | |
| 1734 dst += utf_char2bytes(ucs2buf[i], dst); | |
| 1735 } | |
| 1736 else | |
| 1737 { | |
| 1738 BOOL bad = FALSE; | |
| 1739 int dstlen; | |
| 1740 | |
| 1741 /* From UCS-2 to "enc_codepage". If the | |
| 1742 * conversion uses the default character "?", | |
| 1743 * the data doesn't fit in this encoding. */ | |
| 1744 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
| 1745 (LPCWSTR)ucs2buf, ucs2len, | |
| 835 | 1746 (LPSTR)dst, (int)(src - dst), |
| 595 | 1747 replstr, &bad); |
| 1748 if (bad) | |
| 1749 found_bad = TRUE; | |
| 1750 else | |
| 1751 dst += dstlen; | |
| 1752 } | |
| 7 | 1753 } |
| 595 | 1754 |
| 1755 if (found_bad) | |
| 1756 { | |
| 1757 /* Deal with bytes we can't convert. */ | |
| 1758 if (can_retry) | |
| 1759 goto rewind_retry; | |
| 1760 if (conv_error == 0) | |
| 1761 conv_error = readfile_linenr(linecnt, ptr, dst); | |
| 1762 if (bad_char_behavior != BAD_DROP) | |
| 1763 { | |
| 1764 if (bad_char_behavior == BAD_KEEP) | |
| 1765 { | |
| 1766 mch_memmove(dst, src, bytelen); | |
| 1767 dst += bytelen; | |
| 1768 } | |
| 1769 else | |
| 1770 *dst++ = bad_char_behavior; | |
| 1771 } | |
| 1772 } | |
| 1773 | |
| 1774 src += bytelen; | |
| 1775 size -= bytelen; | |
| 7 | 1776 } |
| 595 | 1777 |
| 1778 if (size > 0) | |
| 7 | 1779 { |
| 595 | 1780 /* An incomplete byte sequence remaining. */ |
| 1781 mch_memmove(conv_rest, src, size); | |
| 1782 conv_restlen = size; | |
| 7 | 1783 } |
| 595 | 1784 |
| 1785 /* The new size is equal to how much "dst" was advanced. */ | |
| 835 | 1786 size = (long)(dst - ptr); |
| 7 | 1787 } |
| 1788 else | |
| 1789 # endif | |
| 765 | 1790 # ifdef MACOS_CONVERT |
| 7 | 1791 if (fio_flags & FIO_MACROMAN) |
| 1792 { | |
| 1793 /* | |
| 1794 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
| 18 | 1795 * latin1. This is in os_mac_conv.c. |
| 7 | 1796 */ |
| 18 | 1797 if (macroman2enc(ptr, &size, real_size) == FAIL) |
| 7 | 1798 goto rewind_retry; |
| 1799 } | |
| 1800 else | |
| 1801 # endif | |
| 1802 if (fio_flags != 0) | |
| 1803 { | |
| 1804 int u8c; | |
| 1805 char_u *dest; | |
| 1806 char_u *tail = NULL; | |
| 1807 | |
| 1808 /* | |
| 1809 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
| 1810 * "enc_utf8" not set: Convert Unicode to Latin1. | |
| 1811 * Go from end to start through the buffer, because the number | |
| 1812 * of bytes may increase. | |
| 1813 * "dest" points to after where the UTF-8 bytes go, "p" points | |
| 1814 * to after the next character to convert. | |
| 1815 */ | |
| 1816 dest = ptr + real_size; | |
| 1817 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
| 1818 { | |
| 1819 p = ptr + size; | |
| 1820 if (fio_flags == FIO_UTF8) | |
| 1821 { | |
| 1822 /* Check for a trailing incomplete UTF-8 sequence */ | |
| 1823 tail = ptr + size - 1; | |
| 1824 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
| 1825 --tail; | |
| 1826 if (tail + utf_byte2len(*tail) <= ptr + size) | |
| 1827 tail = NULL; | |
| 1828 else | |
| 1829 p = tail; | |
| 1830 } | |
| 1831 } | |
| 1832 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1833 { | |
| 1834 /* Check for a trailing byte */ | |
| 1835 p = ptr + (size & ~1); | |
| 1836 if (size & 1) | |
| 1837 tail = p; | |
| 1838 if ((fio_flags & FIO_UTF16) && p > ptr) | |
| 1839 { | |
| 1840 /* Check for a trailing leading word */ | |
| 1841 if (fio_flags & FIO_ENDIAN_L) | |
| 1842 { | |
| 1843 u8c = (*--p << 8); | |
| 1844 u8c += *--p; | |
| 1845 } | |
| 1846 else | |
| 1847 { | |
| 1848 u8c = *--p; | |
| 1849 u8c += (*--p << 8); | |
| 1850 } | |
| 1851 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
| 1852 tail = p; | |
| 1853 else | |
| 1854 p += 2; | |
| 1855 } | |
| 1856 } | |
| 1857 else /* FIO_UCS4 */ | |
| 1858 { | |
| 1859 /* Check for trailing 1, 2 or 3 bytes */ | |
| 1860 p = ptr + (size & ~3); | |
| 1861 if (size & 3) | |
| 1862 tail = p; | |
| 1863 } | |
| 1864 | |
| 1865 /* If there is a trailing incomplete sequence move it to | |
| 1866 * conv_rest[]. */ | |
| 1867 if (tail != NULL) | |
| 1868 { | |
| 1869 conv_restlen = (int)((ptr + size) - tail); | |
| 1870 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
| 1871 size -= conv_restlen; | |
| 1872 } | |
| 1873 | |
| 1874 | |
| 1875 while (p > ptr) | |
| 1876 { | |
| 1877 if (fio_flags & FIO_LATIN1) | |
| 1878 u8c = *--p; | |
| 1879 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
| 1880 { | |
| 1881 if (fio_flags & FIO_ENDIAN_L) | |
| 1882 { | |
| 1883 u8c = (*--p << 8); | |
| 1884 u8c += *--p; | |
| 1885 } | |
| 1886 else | |
| 1887 { | |
| 1888 u8c = *--p; | |
| 1889 u8c += (*--p << 8); | |
| 1890 } | |
| 1891 if ((fio_flags & FIO_UTF16) | |
| 1892 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
| 1893 { | |
| 1894 int u16c; | |
| 1895 | |
| 1896 if (p == ptr) | |
| 1897 { | |
| 1898 /* Missing leading word. */ | |
| 1899 if (can_retry) | |
| 1900 goto rewind_retry; | |
| 595 | 1901 if (conv_error == 0) |
| 1902 conv_error = readfile_linenr(linecnt, | |
| 1903 ptr, p); | |
| 1904 if (bad_char_behavior == BAD_DROP) | |
| 1905 continue; | |
| 1906 if (bad_char_behavior != BAD_KEEP) | |
| 1907 u8c = bad_char_behavior; | |
| 7 | 1908 } |
| 1909 | |
| 1910 /* found second word of double-word, get the first | |
| 1911 * word and compute the resulting character */ | |
| 1912 if (fio_flags & FIO_ENDIAN_L) | |
| 1913 { | |
| 1914 u16c = (*--p << 8); | |
| 1915 u16c += *--p; | |
| 1916 } | |
| 1917 else | |
| 1918 { | |
| 1919 u16c = *--p; | |
| 1920 u16c += (*--p << 8); | |
| 1921 } | |
| 595 | 1922 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
| 1923 + (u8c & 0x3ff); | |
| 1924 | |
| 7 | 1925 /* Check if the word is indeed a leading word. */ |
| 1926 if (u16c < 0xd800 || u16c > 0xdbff) | |
| 1927 { | |
| 1928 if (can_retry) | |
| 1929 goto rewind_retry; | |
| 595 | 1930 if (conv_error == 0) |
| 1931 conv_error = readfile_linenr(linecnt, | |
| 1932 ptr, p); | |
| 1933 if (bad_char_behavior == BAD_DROP) | |
| 1934 continue; | |
| 1935 if (bad_char_behavior != BAD_KEEP) | |
| 1936 u8c = bad_char_behavior; | |
| 7 | 1937 } |
| 1938 } | |
| 1939 } | |
| 1940 else if (fio_flags & FIO_UCS4) | |
| 1941 { | |
| 1942 if (fio_flags & FIO_ENDIAN_L) | |
| 1943 { | |
| 1944 u8c = (*--p << 24); | |
| 1945 u8c += (*--p << 16); | |
| 1946 u8c += (*--p << 8); | |
| 1947 u8c += *--p; | |
| 1948 } | |
| 1949 else /* big endian */ | |
| 1950 { | |
| 1951 u8c = *--p; | |
| 1952 u8c += (*--p << 8); | |
| 1953 u8c += (*--p << 16); | |
| 1954 u8c += (*--p << 24); | |
| 1955 } | |
| 1956 } | |
| 1957 else /* UTF-8 */ | |
| 1958 { | |
| 1959 if (*--p < 0x80) | |
| 1960 u8c = *p; | |
| 1961 else | |
| 1962 { | |
| 1963 len = utf_head_off(ptr, p); | |
| 595 | 1964 p -= len; |
| 1965 u8c = utf_ptr2char(p); | |
| 7 | 1966 if (len == 0) |
| 1967 { | |
| 1968 /* Not a valid UTF-8 character, retry with | |
| 1969 * another fenc when possible, otherwise just | |
| 1970 * report the error. */ | |
| 1971 if (can_retry) | |
| 1972 goto rewind_retry; | |
| 595 | 1973 if (conv_error == 0) |
| 1974 conv_error = readfile_linenr(linecnt, | |
| 1975 ptr, p); | |
| 1976 if (bad_char_behavior == BAD_DROP) | |
| 1977 continue; | |
| 1978 if (bad_char_behavior != BAD_KEEP) | |
| 1979 u8c = bad_char_behavior; | |
| 7 | 1980 } |
| 1981 } | |
| 1982 } | |
| 1983 if (enc_utf8) /* produce UTF-8 */ | |
| 1984 { | |
| 1985 dest -= utf_char2len(u8c); | |
| 1986 (void)utf_char2bytes(u8c, dest); | |
| 1987 } | |
| 1988 else /* produce Latin1 */ | |
| 1989 { | |
| 1990 --dest; | |
| 1991 if (u8c >= 0x100) | |
| 1992 { | |
| 1993 /* character doesn't fit in latin1, retry with | |
| 1994 * another fenc when possible, otherwise just | |
| 1995 * report the error. */ | |
| 595 | 1996 if (can_retry) |
| 7 | 1997 goto rewind_retry; |
| 595 | 1998 if (conv_error == 0) |
| 1999 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2000 if (bad_char_behavior == BAD_DROP) | |
| 2001 ++dest; | |
| 2002 else if (bad_char_behavior == BAD_KEEP) | |
| 2003 *dest = u8c; | |
| 2004 else if (eap != NULL && eap->bad_char != 0) | |
| 2005 *dest = bad_char_behavior; | |
| 2006 else | |
| 2007 *dest = 0xBF; | |
| 7 | 2008 } |
| 2009 else | |
| 2010 *dest = u8c; | |
| 2011 } | |
| 2012 } | |
| 2013 | |
| 2014 /* move the linerest to before the converted characters */ | |
| 2015 line_start = dest - linerest; | |
| 2016 mch_memmove(line_start, buffer, (size_t)linerest); | |
| 2017 size = (long)((ptr + real_size) - dest); | |
| 2018 ptr = dest; | |
| 2019 } | |
| 1597 | 2020 else if (enc_utf8 && !curbuf->b_p_bin) |
| 2021 { | |
| 2022 int incomplete_tail = FALSE; | |
| 2023 | |
| 2024 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
| 2025 for (p = ptr; ; ++p) | |
| 7 | 2026 { |
| 835 | 2027 int todo = (int)((ptr + size) - p); |
| 595 | 2028 int l; |
| 2029 | |
| 2030 if (todo <= 0) | |
| 2031 break; | |
| 7 | 2032 if (*p >= 0x80) |
| 2033 { | |
| 2034 /* A length of 1 means it's an illegal byte. Accept | |
| 2035 * an incomplete character at the end though, the next | |
| 2036 * read() will get the next bytes, we'll check it | |
| 2037 * then. */ | |
| 595 | 2038 l = utf_ptr2len_len(p, todo); |
| 1597 | 2039 if (l > todo && !incomplete_tail) |
| 7 | 2040 { |
| 1597 | 2041 /* Avoid retrying with a different encoding when |
| 2042 * a truncated file is more likely, or attempting | |
| 2043 * to read the rest of an incomplete sequence when | |
| 2044 * we have already done so. */ | |
| 2045 if (p > ptr || filesize > 0) | |
| 2046 incomplete_tail = TRUE; | |
| 2047 /* Incomplete byte sequence, move it to conv_rest[] | |
| 2048 * and try to read the rest of it, unless we've | |
| 2049 * already done so. */ | |
| 2050 if (p > ptr) | |
| 2051 { | |
| 2052 conv_restlen = todo; | |
| 2053 mch_memmove(conv_rest, p, conv_restlen); | |
| 2054 size -= conv_restlen; | |
| 2055 break; | |
| 2056 } | |
| 7 | 2057 } |
| 1597 | 2058 if (l == 1 || l > todo) |
| 595 | 2059 { |
| 2060 /* Illegal byte. If we can try another encoding | |
| 1597 | 2061 * do that, unless at EOF where a truncated |
| 2062 * file is more likely than a conversion error. */ | |
| 2063 if (can_retry && !incomplete_tail) | |
| 595 | 2064 break; |
| 2065 # ifdef USE_ICONV | |
| 2066 /* When we did a conversion report an error. */ | |
| 2067 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
| 2068 conv_error = readfile_linenr(linecnt, ptr, p); | |
| 2069 # endif | |
| 1597 | 2070 /* Remember the first linenr with an illegal byte */ |
| 2071 if (conv_error == 0 && illegal_byte == 0) | |
| 2072 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
| 595 | 2073 |
| 2074 /* Drop, keep or replace the bad byte. */ | |
| 2075 if (bad_char_behavior == BAD_DROP) | |
| 2076 { | |
| 1597 | 2077 mch_memmove(p, p + 1, todo - 1); |
| 595 | 2078 --p; |
| 2079 --size; | |
| 2080 } | |
| 2081 else if (bad_char_behavior != BAD_KEEP) | |
| 2082 *p = bad_char_behavior; | |
| 2083 } | |
| 1597 | 2084 else |
| 2085 p += l - 1; | |
| 7 | 2086 } |
| 2087 } | |
| 1597 | 2088 if (p < ptr + size && !incomplete_tail) |
| 7 | 2089 { |
| 2090 /* Detected a UTF-8 error. */ | |
| 2091 rewind_retry: | |
| 595 | 2092 /* Retry reading with another conversion. */ |
| 7 | 2093 # if defined(FEAT_EVAL) && defined(USE_ICONV) |
| 595 | 2094 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
| 2095 /* iconv() failed, try 'charconvert' */ | |
| 2096 did_iconv = TRUE; | |
| 7 | 2097 else |
| 2098 # endif | |
| 595 | 2099 /* use next item from 'fileencodings' */ |
| 2100 advance_fenc = TRUE; | |
| 2101 file_rewind = TRUE; | |
| 2102 goto retry; | |
| 7 | 2103 } |
| 2104 } | |
| 2105 #endif | |
| 2106 | |
| 2107 /* count the number of characters (after conversion!) */ | |
| 2108 filesize += size; | |
| 2109 | |
| 2110 /* | |
| 2111 * when reading the first part of a file: guess EOL type | |
| 2112 */ | |
| 2113 if (fileformat == EOL_UNKNOWN) | |
| 2114 { | |
| 2115 /* First try finding a NL, for Dos and Unix */ | |
| 2116 if (try_dos || try_unix) | |
| 2117 { | |
| 6635 | 2118 /* Reset the carriage return counter. */ |
| 2119 if (try_mac) | |
| 2120 try_mac = 1; | |
| 2121 | |
| 7 | 2122 for (p = ptr; p < ptr + size; ++p) |
| 2123 { | |
| 2124 if (*p == NL) | |
| 2125 { | |
| 2126 if (!try_unix | |
| 2127 || (try_dos && p > ptr && p[-1] == CAR)) | |
| 2128 fileformat = EOL_DOS; | |
| 2129 else | |
| 2130 fileformat = EOL_UNIX; | |
| 2131 break; | |
| 2132 } | |
| 6618 | 2133 else if (*p == CAR && try_mac) |
| 2134 try_mac++; | |
| 7 | 2135 } |
| 2136 | |
| 2137 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
| 2138 if (fileformat == EOL_UNIX && try_mac) | |
| 2139 { | |
| 2140 /* Need to reset the counters when retrying fenc. */ | |
| 2141 try_mac = 1; | |
| 2142 try_unix = 1; | |
| 2143 for (; p >= ptr && *p != CAR; p--) | |
| 2144 ; | |
| 2145 if (p >= ptr) | |
| 2146 { | |
| 2147 for (p = ptr; p < ptr + size; ++p) | |
| 2148 { | |
| 2149 if (*p == NL) | |
| 2150 try_unix++; | |
| 2151 else if (*p == CAR) | |
| 2152 try_mac++; | |
| 2153 } | |
| 2154 if (try_mac > try_unix) | |
| 2155 fileformat = EOL_MAC; | |
| 2156 } | |
| 2157 } | |
| 6618 | 2158 else if (fileformat == EOL_UNKNOWN && try_mac == 1) |
| 2159 /* Looking for CR but found no end-of-line markers at | |
| 2160 * all: use the default format. */ | |
| 2161 fileformat = default_fileformat(); | |
| 7 | 2162 } |
| 2163 | |
| 2164 /* No NL found: may use Mac format */ | |
| 2165 if (fileformat == EOL_UNKNOWN && try_mac) | |
| 2166 fileformat = EOL_MAC; | |
| 2167 | |
| 2168 /* Still nothing found? Use first format in 'ffs' */ | |
| 2169 if (fileformat == EOL_UNKNOWN) | |
| 2170 fileformat = default_fileformat(); | |
| 2171 | |
| 2172 /* if editing a new file: may set p_tx and p_ff */ | |
| 819 | 2173 if (set_options) |
| 7 | 2174 set_fileformat(fileformat, OPT_LOCAL); |
| 2175 } | |
| 2176 } | |
| 2177 | |
| 2178 /* | |
| 2179 * This loop is executed once for every character read. | |
| 2180 * Keep it fast! | |
| 2181 */ | |
| 2182 if (fileformat == EOL_MAC) | |
| 2183 { | |
| 2184 --ptr; | |
| 2185 while (++ptr, --size >= 0) | |
| 2186 { | |
| 2187 /* catch most common case first */ | |
| 2188 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
| 2189 continue; | |
| 2190 if (c == NUL) | |
| 2191 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2192 else if (c == NL) | |
| 2193 *ptr = CAR; /* NLs are replaced by CRs! */ | |
| 2194 else | |
| 2195 { | |
| 2196 if (skip_count == 0) | |
| 2197 { | |
| 2198 *ptr = NUL; /* end of line */ | |
| 2199 len = (colnr_T) (ptr - line_start + 1); | |
| 2200 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2201 { | |
| 2202 error = TRUE; | |
| 2203 break; | |
| 2204 } | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2205 #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
|
2206 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
|
2207 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
|
2208 #endif |
| 7 | 2209 ++lnum; |
| 2210 if (--read_count == 0) | |
| 2211 { | |
| 2212 error = TRUE; /* break loop */ | |
| 2213 line_start = ptr; /* nothing left to write */ | |
| 2214 break; | |
| 2215 } | |
| 2216 } | |
| 2217 else | |
| 2218 --skip_count; | |
| 2219 line_start = ptr + 1; | |
| 2220 } | |
| 2221 } | |
| 2222 } | |
| 2223 else | |
| 2224 { | |
| 2225 --ptr; | |
| 2226 while (++ptr, --size >= 0) | |
| 2227 { | |
| 2228 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
| 2229 continue; | |
| 2230 if (c == NUL) | |
| 2231 *ptr = NL; /* NULs are replaced by newlines! */ | |
| 2232 else | |
| 2233 { | |
| 2234 if (skip_count == 0) | |
| 2235 { | |
| 2236 *ptr = NUL; /* end of line */ | |
| 2237 len = (colnr_T)(ptr - line_start + 1); | |
| 2238 if (fileformat == EOL_DOS) | |
| 2239 { | |
| 2240 if (ptr[-1] == CAR) /* remove CR */ | |
| 2241 { | |
| 2242 ptr[-1] = NUL; | |
| 2243 --len; | |
| 2244 } | |
| 2245 /* | |
| 2246 * Reading in Dos format, but no CR-LF found! | |
| 2247 * When 'fileformats' includes "unix", delete all | |
| 2248 * the lines read so far and start all over again. | |
| 2249 * Otherwise give an error message later. | |
| 2250 */ | |
| 2251 else if (ff_error != EOL_DOS) | |
| 2252 { | |
| 2253 if ( try_unix | |
| 2254 && !read_stdin | |
| 2255 && (read_buffer | |
| 2256 || lseek(fd, (off_t)0L, SEEK_SET) == 0)) | |
| 2257 { | |
| 2258 fileformat = EOL_UNIX; | |
| 819 | 2259 if (set_options) |
| 7 | 2260 set_fileformat(EOL_UNIX, OPT_LOCAL); |
| 2261 file_rewind = TRUE; | |
| 2262 keep_fileformat = TRUE; | |
| 2263 goto retry; | |
| 2264 } | |
| 2265 ff_error = EOL_DOS; | |
| 2266 } | |
| 2267 } | |
| 2268 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
| 2269 { | |
| 2270 error = TRUE; | |
| 2271 break; | |
| 2272 } | |
|
2214
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 ++lnum; |
| 2278 if (--read_count == 0) | |
| 2279 { | |
| 2280 error = TRUE; /* break loop */ | |
| 2281 line_start = ptr; /* nothing left to write */ | |
| 2282 break; | |
| 2283 } | |
| 2284 } | |
| 2285 else | |
| 2286 --skip_count; | |
| 2287 line_start = ptr + 1; | |
| 2288 } | |
| 2289 } | |
| 2290 } | |
| 2291 linerest = (long)(ptr - line_start); | |
| 2292 ui_breakcheck(); | |
| 2293 } | |
| 2294 | |
| 2295 failed: | |
| 2296 /* not an error, max. number of lines reached */ | |
| 2297 if (error && read_count == 0) | |
| 2298 error = FALSE; | |
| 2299 | |
| 2300 /* | |
| 2301 * If we get EOF in the middle of a line, note the fact and | |
| 2302 * complete the line ourselves. | |
| 2303 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
| 2304 */ | |
| 2305 if (!error | |
| 2306 && !got_int | |
| 2307 && linerest != 0 | |
| 2308 && !(!curbuf->b_p_bin | |
| 2309 && fileformat == EOL_DOS | |
| 2310 && *line_start == Ctrl_Z | |
| 2311 && ptr == line_start + 1)) | |
| 2312 { | |
| 819 | 2313 /* remember for when writing */ |
| 2314 if (set_options) | |
| 7 | 2315 curbuf->b_p_eol = FALSE; |
| 2316 *ptr = NUL; | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2317 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
|
2318 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
| 7 | 2319 error = TRUE; |
| 2320 else | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2321 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2322 #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
|
2323 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
|
2324 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
|
2325 #endif |
| 7 | 2326 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
|
2327 } |
| 7 | 2328 } |
| 2329 | |
| 819 | 2330 if (set_options) |
| 7 | 2331 save_file_ff(curbuf); /* remember the current file format */ |
| 2332 | |
| 2333 #ifdef FEAT_CRYPT | |
| 6122 | 2334 if (curbuf->b_cryptstate != NULL) |
| 2335 { | |
| 2336 crypt_free_state(curbuf->b_cryptstate); | |
| 2337 curbuf->b_cryptstate = NULL; | |
| 2338 } | |
| 2339 if (cryptkey != NULL && cryptkey != curbuf->b_p_key) | |
| 2340 crypt_free_key(cryptkey); | |
| 2341 /* Don't set cryptkey to NULL, it's used below as a flag that | |
| 2342 * encryption was used. */ | |
| 7 | 2343 #endif |
| 2344 | |
| 2345 #ifdef FEAT_MBYTE | |
| 819 | 2346 /* If editing a new file: set 'fenc' for the current buffer. |
| 2347 * Also for ":read ++edit file". */ | |
| 2348 if (set_options) | |
| 7 | 2349 set_string_option_direct((char_u *)"fenc", -1, fenc, |
| 694 | 2350 OPT_FREE|OPT_LOCAL, 0); |
| 7 | 2351 if (fenc_alloced) |
| 2352 vim_free(fenc); | |
| 2353 # ifdef USE_ICONV | |
| 2354 if (iconv_fd != (iconv_t)-1) | |
| 2355 { | |
| 2356 iconv_close(iconv_fd); | |
| 2357 iconv_fd = (iconv_t)-1; | |
| 2358 } | |
| 2359 # endif | |
| 2360 #endif | |
| 2361 | |
| 2362 if (!read_buffer && !read_stdin) | |
| 2363 close(fd); /* errors are ignored */ | |
| 2003 | 2364 #ifdef HAVE_FD_CLOEXEC |
| 2365 else | |
| 2366 { | |
| 2367 int fdflags = fcntl(fd, F_GETFD); | |
| 2368 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
|
7961
a7e58c6e4e9a
commit https://github.com/vim/vim/commit/fbc4b4db3a9690906a96e16724350a6241cf32a5
Christian Brabandt <cb@256bit.org>
parents:
7856
diff
changeset
|
2369 (void)fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); |
| 2003 | 2370 } |
| 2371 #endif | |
| 7 | 2372 vim_free(buffer); |
| 2373 | |
| 2374 #ifdef HAVE_DUP | |
| 2375 if (read_stdin) | |
| 2376 { | |
| 2377 /* Use stderr for stdin, makes shell commands work. */ | |
| 2378 close(0); | |
| 1757 | 2379 ignored = dup(2); |
| 7 | 2380 } |
| 2381 #endif | |
| 2382 | |
| 2383 #ifdef FEAT_MBYTE | |
| 2384 if (tmpname != NULL) | |
| 2385 { | |
| 2386 mch_remove(tmpname); /* delete converted file */ | |
| 2387 vim_free(tmpname); | |
| 2388 } | |
| 2389 #endif | |
| 2390 --no_wait_return; /* may wait for return now */ | |
| 2391 | |
| 2392 /* | |
| 2393 * In recovery mode everything but autocommands is skipped. | |
| 2394 */ | |
| 2395 if (!recoverymode) | |
| 2396 { | |
| 2397 /* need to delete the last line, which comes from the empty buffer */ | |
| 2398 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
| 2399 { | |
| 2400 #ifdef FEAT_NETBEANS_INTG | |
| 2401 netbeansFireChanges = 0; | |
| 2402 #endif | |
| 2403 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
| 2404 #ifdef FEAT_NETBEANS_INTG | |
| 2405 netbeansFireChanges = 1; | |
| 2406 #endif | |
| 2407 --linecnt; | |
| 2408 } | |
| 2409 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
| 2410 if (filesize == 0) | |
| 2411 linecnt = 0; | |
| 2412 if (newfile || read_buffer) | |
| 1201 | 2413 { |
| 7 | 2414 redraw_curbuf_later(NOT_VALID); |
| 1201 | 2415 #ifdef FEAT_DIFF |
| 2416 /* After reading the text into the buffer the diff info needs to | |
| 2417 * be updated. */ | |
| 2418 diff_invalidate(curbuf); | |
| 2419 #endif | |
| 2420 #ifdef FEAT_FOLDING | |
| 2421 /* All folds in the window are invalid now. Mark them for update | |
| 2422 * before triggering autocommands. */ | |
| 2423 foldUpdateAll(curwin); | |
| 2424 #endif | |
| 2425 } | |
| 7 | 2426 else if (linecnt) /* appended at least one line */ |
| 2427 appended_lines_mark(from, linecnt); | |
| 2428 | |
| 2429 #ifndef ALWAYS_USE_GUI | |
| 2430 /* | |
| 2431 * If we were reading from the same terminal as where messages go, | |
| 2432 * the screen will have been messed up. | |
| 2433 * Switch on raw mode now and clear the screen. | |
| 2434 */ | |
| 2435 if (read_stdin) | |
| 2436 { | |
| 2437 settmode(TMODE_RAW); /* set to raw mode */ | |
| 2438 starttermcap(); | |
| 2439 screenclear(); | |
| 2440 } | |
| 2441 #endif | |
| 2442 | |
| 2443 if (got_int) | |
| 2444 { | |
| 2445 if (!(flags & READ_DUMMY)) | |
| 2446 { | |
| 2447 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
| 2448 if (newfile) | |
| 2449 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
| 2450 } | |
| 2451 msg_scroll = msg_save; | |
| 2452 #ifdef FEAT_VIMINFO | |
| 2453 check_marks_read(); | |
| 2454 #endif | |
| 2455 return OK; /* an interrupt isn't really an error */ | |
| 2456 } | |
| 2457 | |
| 2458 if (!filtering && !(flags & READ_DUMMY)) | |
| 2459 { | |
| 2460 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
| 2461 c = FALSE; | |
| 2462 | |
| 2463 #ifdef UNIX | |
| 2464 # ifdef S_ISFIFO | |
| 2465 if (S_ISFIFO(perm)) /* fifo or socket */ | |
| 2466 { | |
| 2467 STRCAT(IObuff, _("[fifo/socket]")); | |
| 2468 c = TRUE; | |
| 2469 } | |
| 2470 # else | |
| 2471 # ifdef S_IFIFO | |
| 2472 if ((perm & S_IFMT) == S_IFIFO) /* fifo */ | |
| 2473 { | |
| 2474 STRCAT(IObuff, _("[fifo]")); | |
| 2475 c = TRUE; | |
| 2476 } | |
| 2477 # endif | |
| 2478 # ifdef S_IFSOCK | |
| 2479 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */ | |
| 2480 { | |
| 2481 STRCAT(IObuff, _("[socket]")); | |
| 2482 c = TRUE; | |
| 2483 } | |
| 2484 # endif | |
| 2485 # endif | |
| 1313 | 2486 # ifdef OPEN_CHR_FILES |
| 2487 if (S_ISCHR(perm)) /* or character special */ | |
| 2488 { | |
| 2489 STRCAT(IObuff, _("[character special]")); | |
| 2490 c = TRUE; | |
| 2491 } | |
| 2492 # endif | |
| 7 | 2493 #endif |
| 2494 if (curbuf->b_p_ro) | |
| 2495 { | |
| 2496 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
| 2497 c = TRUE; | |
| 2498 } | |
| 2499 if (read_no_eol_lnum) | |
| 2500 { | |
| 2501 msg_add_eol(); | |
| 2502 c = TRUE; | |
| 2503 } | |
| 2504 if (ff_error == EOL_DOS) | |
| 2505 { | |
| 2506 STRCAT(IObuff, _("[CR missing]")); | |
| 2507 c = TRUE; | |
| 2508 } | |
| 2509 if (split) | |
| 2510 { | |
| 2511 STRCAT(IObuff, _("[long lines split]")); | |
| 2512 c = TRUE; | |
| 2513 } | |
| 2514 #ifdef FEAT_MBYTE | |
| 2515 if (notconverted) | |
| 2516 { | |
| 2517 STRCAT(IObuff, _("[NOT converted]")); | |
| 2518 c = TRUE; | |
| 2519 } | |
| 2520 else if (converted) | |
| 2521 { | |
| 2522 STRCAT(IObuff, _("[converted]")); | |
| 2523 c = TRUE; | |
| 2524 } | |
| 2525 #endif | |
| 2526 #ifdef FEAT_CRYPT | |
| 2527 if (cryptkey != NULL) | |
| 2528 { | |
| 6122 | 2529 crypt_append_msg(curbuf); |
| 7 | 2530 c = TRUE; |
| 2531 } | |
| 2532 #endif | |
| 2533 #ifdef FEAT_MBYTE | |
| 595 | 2534 if (conv_error != 0) |
| 2535 { | |
| 2536 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2537 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
| 7 | 2538 c = TRUE; |
| 2539 } | |
| 2540 else if (illegal_byte > 0) | |
| 2541 { | |
| 2542 sprintf((char *)IObuff + STRLEN(IObuff), | |
| 2543 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
| 2544 c = TRUE; | |
| 2545 } | |
| 2546 else | |
| 2547 #endif | |
| 2548 if (error) | |
| 2549 { | |
| 2550 STRCAT(IObuff, _("[READ ERRORS]")); | |
| 2551 c = TRUE; | |
| 2552 } | |
| 2553 if (msg_add_fileformat(fileformat)) | |
| 2554 c = TRUE; | |
| 2555 #ifdef FEAT_CRYPT | |
| 2556 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
|
2557 msg_add_lines(c, (long)linecnt, filesize |
| 6122 | 2558 - crypt_get_header_len(crypt_get_method_nr(curbuf))); |
| 7 | 2559 else |
| 2560 #endif | |
| 2561 msg_add_lines(c, (long)linecnt, filesize); | |
| 2562 | |
| 2563 vim_free(keep_msg); | |
| 2564 keep_msg = NULL; | |
| 2565 msg_scrolled_ign = TRUE; | |
| 2566 #ifdef ALWAYS_USE_GUI | |
| 2567 /* Don't show the message when reading stdin, it would end up in a | |
| 2568 * message box (which might be shown when exiting!) */ | |
| 2569 if (read_stdin || read_buffer) | |
| 2570 p = msg_may_trunc(FALSE, IObuff); | |
| 2571 else | |
| 2572 #endif | |
| 2573 p = msg_trunc_attr(IObuff, FALSE, 0); | |
| 2574 if (read_stdin || read_buffer || restart_edit != 0 | |
| 540 | 2575 || (msg_scrolled != 0 && !need_wait_return)) |
| 7 | 2576 /* Need to repeat the message after redrawing when: |
| 2577 * - When reading from stdin (the screen will be cleared next). | |
| 2578 * - When restart_edit is set (otherwise there will be a delay | |
| 2579 * before redrawing). | |
| 2580 * - When the screen was scrolled but there is no wait-return | |
| 2581 * prompt. */ | |
| 679 | 2582 set_keep_msg(p, 0); |
| 7 | 2583 msg_scrolled_ign = FALSE; |
| 2584 } | |
| 2585 | |
| 2586 /* with errors writing the file requires ":w!" */ | |
| 2587 if (newfile && (error | |
| 2588 #ifdef FEAT_MBYTE | |
| 595 | 2589 || conv_error != 0 |
| 679 | 2590 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP) |
| 7 | 2591 #endif |
| 2592 )) | |
| 2593 curbuf->b_p_ro = TRUE; | |
| 2594 | |
| 2595 u_clearline(); /* cannot use "U" command after adding lines */ | |
| 2596 | |
| 2597 /* | |
| 2598 * In Ex mode: cursor at last new line. | |
| 2599 * Otherwise: cursor at first new line. | |
| 2600 */ | |
| 2601 if (exmode_active) | |
| 2602 curwin->w_cursor.lnum = from + linecnt; | |
| 2603 else | |
| 2604 curwin->w_cursor.lnum = from + 1; | |
| 2605 check_cursor_lnum(); | |
| 2606 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
| 2607 | |
| 2608 /* | |
| 2609 * Set '[ and '] marks to the newly read lines. | |
| 2610 */ | |
| 2611 curbuf->b_op_start.lnum = from + 1; | |
| 2612 curbuf->b_op_start.col = 0; | |
| 2613 curbuf->b_op_end.lnum = from + linecnt; | |
| 2614 curbuf->b_op_end.col = 0; | |
| 696 | 2615 |
| 2616 #ifdef WIN32 | |
| 2617 /* | |
| 2618 * Work around a weird problem: When a file has two links (only | |
| 2619 * possible on NTFS) and we write through one link, then stat() it | |
| 1651 | 2620 * through the other link, the timestamp information may be wrong. |
| 696 | 2621 * It's correct again after reading the file, thus reset the timestamp |
| 2622 * here. | |
| 2623 */ | |
| 2624 if (newfile && !read_stdin && !read_buffer | |
| 2625 && mch_stat((char *)fname, &st) >= 0) | |
| 2626 { | |
| 2627 buf_store_time(curbuf, &st, fname); | |
| 2628 curbuf->b_mtime_read = curbuf->b_mtime; | |
| 2629 } | |
| 2630 #endif | |
| 7 | 2631 } |
| 2632 msg_scroll = msg_save; | |
| 2633 | |
| 2634 #ifdef FEAT_VIMINFO | |
| 2635 /* | |
| 2636 * Get the marks before executing autocommands, so they can be used there. | |
| 2637 */ | |
| 2638 check_marks_read(); | |
| 2639 #endif | |
| 2640 | |
| 2641 /* | |
| 6933 | 2642 * We remember if the last line of the read didn't have |
| 2643 * an eol even when 'binary' is off, to support turning 'fixeol' off, | |
| 2644 * or writing the read again with 'binary' on. The latter is required | |
| 2645 * for ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
| 7 | 2646 */ |
| 2707 | 2647 curbuf->b_no_eol_lnum = read_no_eol_lnum; |
| 7 | 2648 |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2649 /* 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
|
2650 * different. */ |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2651 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
|
2652 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
|
2653 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2654 #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
|
2655 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2656 * 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
|
2657 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2658 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
|
2659 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2660 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
|
2661 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2662 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
|
2663 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
|
2664 } |
|
f8222d1f9a73
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|
2665 #endif |
|
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|
2666 |
| 167 | 2667 #ifdef FEAT_AUTOCMD |
| 7 | 2668 if (!read_stdin && !read_buffer) |
| 2669 { | |
| 2670 int m = msg_scroll; | |
| 2671 int n = msg_scrolled; | |
| 2672 | |
| 2673 /* Save the fileformat now, otherwise the buffer will be considered | |
| 2674 * modified if the format/encoding was automatically detected. */ | |
| 819 | 2675 if (set_options) |
| 7 | 2676 save_file_ff(curbuf); |
| 2677 | |
| 2678 /* | |
| 2679 * The output from the autocommands should not overwrite anything and | |
| 2680 * should not be overwritten: Set msg_scroll, restore its value if no | |
| 2681 * output was done. | |
| 2682 */ | |
| 2683 msg_scroll = TRUE; | |
| 2684 if (filtering) | |
| 2685 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
| 2686 FALSE, curbuf, eap); | |
| 2687 else if (newfile) | |
|
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|
2688 { |
| 7 | 2689 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, |
| 2690 FALSE, curbuf, eap); | |
|
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|
2691 if (!au_did_filetype && *curbuf->b_p_ft != NUL) |
|
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|
2692 /* |
|
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|
2693 * EVENT_FILETYPE was not triggered but the buffer already has a |
|
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diff
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|
2694 * filetype. Trigger EVENT_FILETYPE using the existing filetype. |
|
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diff
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|
2695 */ |
|
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|
2696 apply_autocmds(EVENT_FILETYPE, curbuf->b_p_ft, curbuf->b_fname, |
|
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|
2697 TRUE, curbuf); |
|
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|
2698 } |
| 7 | 2699 else |
| 2700 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
| 2701 FALSE, NULL, eap); | |
| 2702 if (msg_scrolled == n) | |
| 2703 msg_scroll = m; | |
| 2707 | 2704 # ifdef FEAT_EVAL |
| 7 | 2705 if (aborting()) /* autocmds may abort script processing */ |
| 2706 return FAIL; | |
| 2707 | 2707 # endif |
| 2708 } | |
| 2709 #endif | |
| 2710 | |
| 7 | 2711 if (recoverymode && error) |
| 2712 return FAIL; | |
| 2713 return OK; | |
| 2714 } | |
| 2715 | |
| 1313 | 2716 #ifdef OPEN_CHR_FILES |
| 2717 /* | |
| 2718 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
| 2719 * which is the name of files used for process substitution output by | |
| 2720 * some shells on some operating systems, e.g., bash on SunOS. | |
| 2721 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
| 2722 */ | |
| 2723 static int | |
|
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|
2724 is_dev_fd_file(char_u *fname) |
| 1313 | 2725 { |
| 2726 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
| 2727 && VIM_ISDIGIT(fname[8]) | |
| 2728 && *skipdigits(fname + 9) == NUL | |
| 2729 && (fname[9] != NUL | |
| 2730 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
| 2731 } | |
| 2732 #endif | |
| 2733 | |
| 595 | 2734 #ifdef FEAT_MBYTE |
| 2735 | |
| 2736 /* | |
| 2737 * From the current line count and characters read after that, estimate the | |
| 2738 * line number where we are now. | |
| 2739 * Used for error messages that include a line number. | |
| 2740 */ | |
| 2741 static linenr_T | |
|
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|
2742 readfile_linenr( |
|
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|
2743 linenr_T linecnt, /* line count before reading more bytes */ |
|
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|
2744 char_u *p, /* start of more bytes read */ |
|
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|
2745 char_u *endp) /* end of more bytes read */ |
| 595 | 2746 { |
| 2747 char_u *s; | |
| 2748 linenr_T lnum; | |
| 2749 | |
| 2750 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
| 2751 for (s = p; s < endp; ++s) | |
| 2752 if (*s == '\n') | |
| 2753 ++lnum; | |
| 2754 return lnum; | |
| 2755 } | |
| 2756 #endif | |
| 2757 | |
| 7 | 2758 /* |
| 612 | 2759 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
| 2760 * equal to the buffer "buf". Used for calling readfile(). | |
| 7 | 2761 * Returns OK or FAIL. |
| 2762 */ | |
| 2763 int | |
|
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|
2764 prep_exarg(exarg_T *eap, buf_T *buf) |
| 7 | 2765 { |
| 2766 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff) | |
| 2767 #ifdef FEAT_MBYTE | |
| 2768 + STRLEN(buf->b_p_fenc) | |
| 2769 #endif | |
| 2770 + 15)); | |
| 2771 if (eap->cmd == NULL) | |
| 2772 return FAIL; | |
| 2773 | |
| 2774 #ifdef FEAT_MBYTE | |
| 2775 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc); | |
| 2776 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff); | |
| 612 | 2777 eap->bad_char = buf->b_bad_char; |
| 7 | 2778 #else |
| 2779 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff); | |
| 2780 #endif | |
| 2781 eap->force_ff = 7; | |
| 612 | 2782 |
| 2783 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
| 819 | 2784 eap->read_edit = FALSE; |
| 612 | 2785 eap->forceit = FALSE; |
| 7 | 2786 return OK; |
| 2787 } | |
| 2788 | |
|
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2789 /* |
|
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2790 * Set default or forced 'fileformat' and 'binary'. |
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2791 */ |
|
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2792 void |
|
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2793 set_file_options(int set_options, exarg_T *eap) |
|
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2794 { |
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2795 /* set default 'fileformat' */ |
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2796 if (set_options) |
|
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2797 { |
|
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2798 if (eap != NULL && eap->force_ff != 0) |
|
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|
2799 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); |
|
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2800 else if (*p_ffs != NUL) |
|
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2801 set_fileformat(default_fileformat(), OPT_LOCAL); |
|
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2802 } |
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2803 |
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2804 /* set or reset 'binary' */ |
|
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2805 if (eap != NULL && eap->force_bin != 0) |
|
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2806 { |
|
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2807 int oldval = curbuf->b_p_bin; |
|
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2808 |
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2809 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); |
|
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2810 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); |
|
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2811 } |
|
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2812 } |
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2813 |
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2814 #if defined(FEAT_MBYTE) || defined(PROTO) |
|
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2815 /* |
|
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2816 * Set forced 'fileencoding'. |
|
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2817 */ |
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2818 void |
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|
2819 set_forced_fenc(exarg_T *eap) |
|
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2820 { |
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2821 if (eap->force_enc != 0) |
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2822 { |
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2823 char_u *fenc = enc_canonize(eap->cmd + eap->force_enc); |
|
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2824 |
|
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2825 if (fenc != NULL) |
|
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|
2826 set_string_option_direct((char_u *)"fenc", -1, |
|
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2827 fenc, OPT_FREE|OPT_LOCAL, 0); |
|
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2828 vim_free(fenc); |
|
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2829 } |
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2830 } |
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2831 |
| 7 | 2832 /* |
| 2833 * Find next fileencoding to use from 'fileencodings'. | |
| 2834 * "pp" points to fenc_next. It's advanced to the next item. | |
| 2835 * When there are no more items, an empty string is returned and *pp is set to | |
| 2836 * NULL. | |
| 2837 * When *pp is not set to NULL, the result is in allocated memory. | |
| 2838 */ | |
| 2839 static char_u * | |
|
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|
2840 next_fenc(char_u **pp) |
| 7 | 2841 { |
| 2842 char_u *p; | |
| 2843 char_u *r; | |
| 2844 | |
| 2845 if (**pp == NUL) | |
| 2846 { | |
| 2847 *pp = NULL; | |
| 2848 return (char_u *)""; | |
| 2849 } | |
| 2850 p = vim_strchr(*pp, ','); | |
| 2851 if (p == NULL) | |
| 2852 { | |
| 2853 r = enc_canonize(*pp); | |
| 2854 *pp += STRLEN(*pp); | |
| 2855 } | |
| 2856 else | |
| 2857 { | |
| 2858 r = vim_strnsave(*pp, (int)(p - *pp)); | |
| 2859 *pp = p + 1; | |
| 2860 if (r != NULL) | |
| 2861 { | |
| 2862 p = enc_canonize(r); | |
| 2863 vim_free(r); | |
| 2864 r = p; | |
| 2865 } | |
| 2866 } | |
| 2867 if (r == NULL) /* out of memory */ | |
| 2868 { | |
| 2869 r = (char_u *)""; | |
| 2870 *pp = NULL; | |
| 2871 } | |
| 2872 return r; | |
| 2873 } | |
| 2874 | |
| 2875 # ifdef FEAT_EVAL | |
| 2876 /* | |
| 2877 * Convert a file with the 'charconvert' expression. | |
| 2878 * This closes the file which is to be read, converts it and opens the | |
| 2879 * resulting file for reading. | |
| 2880 * Returns name of the resulting converted file (the caller should delete it | |
| 2881 * after reading it). | |
| 2882 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
| 2883 */ | |
| 2884 static char_u * | |
|
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|
2885 readfile_charconvert( |
|
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|
2886 char_u *fname, /* name of input file */ |
|
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|
2887 char_u *fenc, /* converted from */ |
|
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|
2888 int *fdp) /* in/out: file descriptor of file */ |
| 7 | 2889 { |
| 2890 char_u *tmpname; | |
| 2891 char_u *errmsg = NULL; | |
| 2892 | |
| 6721 | 2893 tmpname = vim_tempname('r', FALSE); |
| 7 | 2894 if (tmpname == NULL) |
| 2895 errmsg = (char_u *)_("Can't find temp file for conversion"); | |
| 2896 else | |
| 2897 { | |
| 2898 close(*fdp); /* close the input file, ignore errors */ | |
| 2899 *fdp = -1; | |
| 2900 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
| 2901 fname, tmpname) == FAIL) | |
| 2902 errmsg = (char_u *)_("Conversion with 'charconvert' failed"); | |
| 2903 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, | |
| 2904 O_RDONLY | O_EXTRA, 0)) < 0) | |
| 2905 errmsg = (char_u *)_("can't read output of 'charconvert'"); | |
| 2906 } | |
| 2907 | |
| 2908 if (errmsg != NULL) | |
| 2909 { | |
| 2910 /* Don't use emsg(), it breaks mappings, the retry with | |
| 2911 * another type of conversion might still work. */ | |
| 2912 MSG(errmsg); | |
| 2913 if (tmpname != NULL) | |
| 2914 { | |
| 2915 mch_remove(tmpname); /* delete converted file */ | |
| 2916 vim_free(tmpname); | |
| 2917 tmpname = NULL; | |
| 2918 } | |
| 2919 } | |
| 2920 | |
| 2921 /* If the input file is closed, open it (caller should check for error). */ | |
| 2922 if (*fdp < 0) | |
| 2923 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
| 2924 | |
| 2925 return tmpname; | |
| 2926 } | |
| 2927 # endif | |
| 2928 | |
| 2929 #endif | |
| 2930 | |
| 2931 #ifdef FEAT_VIMINFO | |
| 2932 /* | |
| 2933 * Read marks for the current buffer from the viminfo file, when we support | |
| 2934 * buffer marks and the buffer has a name. | |
| 2935 */ | |
| 2936 static void | |
|
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parents:
7801
diff
changeset
|
2937 check_marks_read(void) |
| 7 | 2938 { |
| 2939 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
| 2940 && curbuf->b_ffname != NULL) | |
| 1733 | 2941 read_viminfo(NULL, VIF_WANT_MARKS); |
| 7 | 2942 |
| 2943 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
| 2944 * the ' parameter after opening a buffer. */ | |
| 2945 curbuf->b_marks_read = TRUE; | |
| 2946 } | |
| 2947 #endif | |
| 2948 | |
|
2239
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2238
diff
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|
2949 #if defined(FEAT_CRYPT) || defined(PROTO) |
| 7 | 2950 /* |
|
2180
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diff
changeset
|
2951 * Check for magic number used for encryption. Applies to the current buffer. |
| 7 | 2952 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
| 2953 * *filesizep are updated. | |
| 2954 * Return the (new) encryption key, NULL for no encryption. | |
| 2955 */ | |
| 2956 static char_u * | |
|
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diff
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|
2957 check_for_cryptkey( |
|
f86adafb28d4
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7801
diff
changeset
|
2958 char_u *cryptkey, /* previous encryption key or NULL */ |
|
f86adafb28d4
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|
2959 char_u *ptr, /* pointer to read bytes */ |
|
f86adafb28d4
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|
2960 long *sizep, /* length of read bytes */ |
|
f86adafb28d4
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|
2961 off_t *filesizep, /* nr of bytes used from file */ |
|
f86adafb28d4
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diff
changeset
|
2962 int newfile, /* editing a new buffer */ |
|
f86adafb28d4
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7801
diff
changeset
|
2963 char_u *fname, /* file name to display */ |
|
f86adafb28d4
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7801
diff
changeset
|
2964 int *did_ask) /* flag: whether already asked for key */ |
| 7 | 2965 { |
| 6122 | 2966 int method = crypt_method_nr_from_magic((char *)ptr, *sizep); |
| 5312 | 2967 int b_p_ro = curbuf->b_p_ro; |
|
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|
2968 |
|
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diff
changeset
|
2969 if (method >= 0) |
|
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diff
changeset
|
2970 { |
| 5312 | 2971 /* Mark the buffer as read-only until the decryption has taken place. |
| 2972 * Avoids accidentally overwriting the file with garbage. */ | |
| 2973 curbuf->b_p_ro = TRUE; | |
| 2974 | |
| 6130 | 2975 /* Set the cryptmethod local to the buffer. */ |
| 6122 | 2976 crypt_set_cm_option(curbuf, method); |
|
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Bram Moolenaar <bram@vim.org>
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diff
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|
2977 if (cryptkey == NULL && !*did_ask) |
| 7 | 2978 { |
| 2979 if (*curbuf->b_p_key) | |
| 2980 cryptkey = curbuf->b_p_key; | |
| 2981 else | |
| 2982 { | |
|
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|
2983 /* When newfile is TRUE, store the typed key in the 'key' |
|
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2984 * 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.
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|
2985 * Don't ask for the key again when first time Enter was hit. |
|
c493d6bfde09
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2986 * Happens when retrying to detect encoding. */ |
| 2267 | 2987 smsg((char_u *)_(need_key_msg), fname); |
| 2988 msg_scroll = TRUE; | |
| 6353 | 2989 crypt_check_method(method); |
| 6122 | 2990 cryptkey = crypt_get_key(newfile, FALSE); |
|
2204
c493d6bfde09
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Bram Moolenaar <bram@vim.org>
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2180
diff
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|
2991 *did_ask = TRUE; |
|
c493d6bfde09
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Bram Moolenaar <bram@vim.org>
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diff
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|
2992 |
| 7 | 2993 /* check if empty key entered */ |
| 2994 if (cryptkey != NULL && *cryptkey == NUL) | |
| 2995 { | |
| 2996 if (cryptkey != curbuf->b_p_key) | |
| 2997 vim_free(cryptkey); | |
| 2998 cryptkey = NULL; | |
| 2999 } | |
| 3000 } | |
| 3001 } | |
| 3002 | |
| 3003 if (cryptkey != NULL) | |
| 3004 { | |
| 6122 | 3005 int header_len; |
| 3006 | |
| 3007 curbuf->b_cryptstate = crypt_create_from_header( | |
| 3008 method, cryptkey, ptr); | |
| 3009 crypt_set_cm_option(curbuf, method); | |
| 3010 | |
| 3011 /* Remove cryptmethod specific header from the text. */ | |
| 3012 header_len = crypt_get_header_len(method); | |
| 3013 *filesizep += header_len; | |
| 3014 *sizep -= header_len; | |
| 3015 mch_memmove(ptr, ptr + header_len, (size_t)*sizep); | |
| 3016 | |
| 5312 | 3017 /* Restore the read-only flag. */ |
| 3018 curbuf->b_p_ro = b_p_ro; | |
|
2180
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|
3019 } |
|
f60a0c9cbe6c
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Bram Moolenaar <bram@vim.org>
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|
3020 } |
|
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|
3021 /* When starting to edit a new file which does not have encryption, clear |
|
f60a0c9cbe6c
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Bram Moolenaar <bram@vim.org>
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diff
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|
3022 * 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
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2394
diff
changeset
|
3023 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
| 7 | 3024 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
| 3025 | |
| 3026 return cryptkey; | |
| 3027 } | |
|
2265
b7cb69ab616d
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Bram Moolenaar <bram@vim.org>
parents:
2261
diff
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|
3028 #endif /* FEAT_CRYPT */ |
|
b7cb69ab616d
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Bram Moolenaar <bram@vim.org>
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2261
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changeset
|
3029 |
| 7 | 3030 #ifdef UNIX |
| 3031 static void | |
|
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3032 set_file_time( |
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diff
changeset
|
3033 char_u *fname, |
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|
3034 time_t atime, /* access time */ |
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f86adafb28d4
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parents:
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diff
changeset
|
3035 time_t mtime) /* modification time */ |
| 7 | 3036 { |
| 3037 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
| 3038 struct utimbuf buf; | |
| 3039 | |
| 3040 buf.actime = atime; | |
| 3041 buf.modtime = mtime; | |
| 3042 (void)utime((char *)fname, &buf); | |
| 3043 # else | |
| 3044 # if defined(HAVE_UTIMES) | |
| 3045 struct timeval tvp[2]; | |
| 3046 | |
| 3047 tvp[0].tv_sec = atime; | |
| 3048 tvp[0].tv_usec = 0; | |
| 3049 tvp[1].tv_sec = mtime; | |
| 3050 tvp[1].tv_usec = 0; | |
| 3051 # ifdef NeXT | |
| 3052 (void)utimes((char *)fname, tvp); | |
| 3053 # else | |
| 3054 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
| 3055 # endif | |
| 3056 # endif | |
| 3057 # endif | |
| 3058 } | |
| 3059 #endif /* UNIX */ | |
| 3060 | |
| 22 | 3061 #if defined(VMS) && !defined(MIN) |
| 3062 /* Older DECC compiler for VAX doesn't define MIN() */ | |
| 3063 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
| 3064 #endif | |
| 3065 | |
| 7 | 3066 /* |
| 1303 | 3067 * Return TRUE if a file appears to be read-only from the file permissions. |
| 3068 */ | |
| 3069 int | |
|
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parents:
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diff
changeset
|
3070 check_file_readonly( |
|
f86adafb28d4
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parents:
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diff
changeset
|
3071 char_u *fname, /* full path to file */ |
|
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3072 int perm) /* known permissions on file */ |
| 1303 | 3073 { |
| 3074 #ifndef USE_MCH_ACCESS | |
| 3075 int fd = 0; | |
| 3076 #endif | |
| 3077 | |
| 3078 return ( | |
| 3079 #ifdef USE_MCH_ACCESS | |
| 3080 # ifdef UNIX | |
| 3081 (perm & 0222) == 0 || | |
| 3082 # endif | |
| 3083 mch_access((char *)fname, W_OK) | |
| 3084 #else | |
| 3085 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
| 3086 ? TRUE : (close(fd), FALSE) | |
| 3087 #endif | |
| 3088 ); | |
| 3089 } | |
| 3090 | |
| 3091 | |
| 3092 /* | |
| 589 | 3093 * buf_write() - write to file "fname" lines "start" through "end" |
| 7 | 3094 * |
| 3095 * We do our own buffering here because fwrite() is so slow. | |
| 3096 * | |
| 589 | 3097 * If "forceit" is true, we don't care for errors when attempting backups. |
| 3098 * In case of an error everything possible is done to restore the original | |
| 1698 | 3099 * file. But when "forceit" is TRUE, we risk losing it. |
| 589 | 3100 * |
| 3101 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
| 3102 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
| 7 | 3103 * |
| 3104 * This function must NOT use NameBuff (because it's called by autowrite()). | |
| 3105 * | |
| 3106 * return FAIL for failure, OK otherwise | |
| 3107 */ | |
| 3108 int | |
|
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parents:
7801
diff
changeset
|
3109 buf_write( |
|
f86adafb28d4
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parents:
7801
diff
changeset
|
3110 buf_T *buf, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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7801
diff
changeset
|
3111 char_u *fname, |
|
f86adafb28d4
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7801
diff
changeset
|
3112 char_u *sfname, |
|
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3113 linenr_T start, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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7801
diff
changeset
|
3114 linenr_T end, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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7801
diff
changeset
|
3115 exarg_T *eap, /* for forced 'ff' and 'fenc', can be |
| 7 | 3116 NULL! */ |
|
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parents:
7801
diff
changeset
|
3117 int append, /* append to the file */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3118 int forceit, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3119 int reset_changed, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3120 int filtering) |
| 7 | 3121 { |
| 3122 int fd; | |
| 3123 char_u *backup = NULL; | |
| 3124 int backup_copy = FALSE; /* copy the original file? */ | |
| 3125 int dobackup; | |
| 3126 char_u *ffname; | |
| 3127 char_u *wfname = NULL; /* name of file to write to */ | |
| 3128 char_u *s; | |
| 3129 char_u *ptr; | |
| 3130 char_u c; | |
| 3131 int len; | |
| 3132 linenr_T lnum; | |
| 3133 long nchars; | |
| 3134 char_u *errmsg = NULL; | |
| 1947 | 3135 int errmsg_allocated = FALSE; |
| 7 | 3136 char_u *errnum = NULL; |
| 3137 char_u *buffer; | |
| 3138 char_u smallbuf[SMBUFSIZE]; | |
| 3139 char_u *backup_ext; | |
| 3140 int bufsize; | |
| 3141 long perm; /* file permissions */ | |
| 3142 int retval = OK; | |
| 3143 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
| 3144 int msg_save = msg_scroll; | |
| 3145 int overwriting; /* TRUE if writing over original */ | |
| 3146 int no_eol = FALSE; /* no end-of-line written */ | |
| 3147 int device = FALSE; /* writing to a device */ | |
| 3148 struct stat st_old; | |
| 3149 int prev_got_int = got_int; | |
| 3150 int file_readonly = FALSE; /* overwritten file is read-only */ | |
| 3151 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
| 3152 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */ | |
| 3153 int made_writable = FALSE; /* 'w' bit has been set */ | |
| 3154 #endif | |
| 3155 /* writing everything */ | |
| 3156 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
| 3157 #ifdef FEAT_AUTOCMD | |
| 3158 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
| 3159 #endif | |
| 3160 int attr; | |
| 3161 int fileformat; | |
| 3162 int write_bin; | |
| 3163 struct bw_info write_info; /* info for buf_write_bytes() */ | |
| 3164 #ifdef FEAT_MBYTE | |
| 3165 int converted = FALSE; | |
| 3166 int notconverted = FALSE; | |
| 3167 char_u *fenc; /* effective 'fileencoding' */ | |
| 3168 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
| 3169 #endif | |
| 3170 #ifdef HAS_BW_FLAGS | |
| 3171 int wb_flags = 0; | |
| 3172 #endif | |
| 3173 #ifdef HAVE_ACL | |
| 3174 vim_acl_T acl = NULL; /* ACL copied from original file to | |
| 3175 backup or new file */ | |
| 3176 #endif | |
|
2214
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|
3177 #ifdef FEAT_PERSISTENT_UNDO |
|
f8222d1f9a73
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diff
changeset
|
3178 int write_undo_file = FALSE; |
|
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Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3179 context_sha256_T sha_ctx; |
|
f8222d1f9a73
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diff
changeset
|
3180 #endif |
| 6243 | 3181 unsigned int bkc = get_bkc_value(buf); |
| 7 | 3182 |
| 3183 if (fname == NULL || *fname == NUL) /* safety check */ | |
| 3184 return FAIL; | |
| 2028 | 3185 if (buf->b_ml.ml_mfp == NULL) |
| 3186 { | |
| 3187 /* This can happen during startup when there is a stray "w" in the | |
| 3188 * vimrc file. */ | |
| 3189 EMSG(_(e_emptybuf)); | |
| 3190 return FAIL; | |
| 3191 } | |
| 7 | 3192 |
| 3193 /* | |
| 3194 * Disallow writing from .exrc and .vimrc in current directory for | |
| 3195 * security reasons. | |
| 3196 */ | |
| 3197 if (check_secure()) | |
| 3198 return FAIL; | |
| 3199 | |
| 3200 /* Avoid a crash for a long name. */ | |
| 3201 if (STRLEN(fname) >= MAXPATHL) | |
| 3202 { | |
| 3203 EMSG(_(e_longname)); | |
| 3204 return FAIL; | |
| 3205 } | |
| 3206 | |
| 3207 #ifdef FEAT_MBYTE | |
| 3208 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
| 3209 write_info.bw_conv_buf = NULL; | |
| 3210 write_info.bw_conv_error = FALSE; | |
| 1947 | 3211 write_info.bw_conv_error_lnum = 0; |
| 7 | 3212 write_info.bw_restlen = 0; |
| 3213 # ifdef USE_ICONV | |
| 3214 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 3215 # endif | |
| 3216 #endif | |
| 6122 | 3217 #ifdef FEAT_CRYPT |
| 3218 write_info.bw_buffer = buf; | |
| 3219 #endif | |
| 7 | 3220 |
| 167 | 3221 /* After writing a file changedtick changes but we don't want to display |
| 3222 * the line. */ | |
| 3223 ex_no_reprint = TRUE; | |
| 3224 | |
| 7 | 3225 /* |
| 3226 * If there is no file name yet, use the one for the written file. | |
| 3227 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
| 3228 * Don't do this when the write is for a filter command. | |
| 589 | 3229 * Don't do this when appending. |
| 3230 * Only do this when 'cpoptions' contains the 'F' flag. | |
| 7 | 3231 */ |
| 633 | 3232 if (buf->b_ffname == NULL |
| 3233 && reset_changed | |
| 7 | 3234 && whole |
| 3235 && buf == curbuf | |
| 236 | 3236 #ifdef FEAT_QUICKFIX |
| 3237 && !bt_nofile(buf) | |
| 3238 #endif | |
| 7 | 3239 && !filtering |
| 589 | 3240 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
| 7 | 3241 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
| 3242 { | |
| 633 | 3243 if (set_rw_fname(fname, sfname) == FAIL) |
| 7 | 3244 return FAIL; |
| 633 | 3245 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
| 7 | 3246 } |
| 3247 | |
| 3248 if (sfname == NULL) | |
| 3249 sfname = fname; | |
| 3250 /* | |
| 3251 * For Unix: Use the short file name whenever possible. | |
| 3252 * Avoids problems with networks and when directory names are changed. | |
| 3253 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
| 3254 * another directory, which we don't detect | |
| 3255 */ | |
| 3256 ffname = fname; /* remember full fname */ | |
| 3257 #ifdef UNIX | |
| 3258 fname = sfname; | |
| 3259 #endif | |
| 3260 | |
| 3261 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
| 3262 overwriting = TRUE; | |
| 3263 else | |
| 3264 overwriting = FALSE; | |
| 3265 | |
| 3266 if (exiting) | |
| 4352 | 3267 settmode(TMODE_COOK); /* when exiting allow typeahead now */ |
| 7 | 3268 |
| 3269 ++no_wait_return; /* don't wait for return yet */ | |
| 3270 | |
| 3271 /* | |
| 3272 * Set '[ and '] marks to the lines to be written. | |
| 3273 */ | |
| 3274 buf->b_op_start.lnum = start; | |
| 3275 buf->b_op_start.col = 0; | |
| 3276 buf->b_op_end.lnum = end; | |
| 3277 buf->b_op_end.col = 0; | |
| 3278 | |
| 3279 #ifdef FEAT_AUTOCMD | |
| 3280 { | |
| 3281 aco_save_T aco; | |
| 3282 int buf_ffname = FALSE; | |
| 3283 int buf_sfname = FALSE; | |
| 3284 int buf_fname_f = FALSE; | |
| 3285 int buf_fname_s = FALSE; | |
| 3286 int did_cmd = FALSE; | |
| 17 | 3287 int nofile_err = FALSE; |
| 161 | 3288 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
| 7 | 3289 |
| 3290 /* | |
| 4352 | 3291 * Apply PRE autocommands. |
| 7 | 3292 * Set curbuf to the buffer to be written. |
| 3293 * Careful: The autocommands may call buf_write() recursively! | |
| 3294 */ | |
| 3295 if (ffname == buf->b_ffname) | |
| 3296 buf_ffname = TRUE; | |
| 3297 if (sfname == buf->b_sfname) | |
| 3298 buf_sfname = TRUE; | |
| 3299 if (fname == buf->b_ffname) | |
| 3300 buf_fname_f = TRUE; | |
| 3301 if (fname == buf->b_sfname) | |
| 3302 buf_fname_s = TRUE; | |
| 3303 | |
| 3304 /* set curwin/curbuf to buf and save a few things */ | |
| 3305 aucmd_prepbuf(&aco, buf); | |
| 3306 | |
| 3307 if (append) | |
| 3308 { | |
| 3309 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
| 3310 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3311 { |
| 635 | 3312 #ifdef FEAT_QUICKFIX |
| 18 | 3313 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3314 nofile_err = TRUE; |
| 3315 else | |
| 635 | 3316 #endif |
| 17 | 3317 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
| 7 | 3318 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3319 } |
| 7 | 3320 } |
| 3321 else if (filtering) | |
| 3322 { | |
| 3323 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
| 3324 NULL, sfname, FALSE, curbuf, eap); | |
| 3325 } | |
| 3326 else if (reset_changed && whole) | |
| 3327 { | |
| 3036 | 3328 int was_changed = curbufIsChanged(); |
| 3329 | |
| 3330 did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
| 3331 sfname, sfname, FALSE, curbuf, eap); | |
| 3332 if (did_cmd) | |
| 3333 { | |
| 3334 if (was_changed && !curbufIsChanged()) | |
| 3335 { | |
| 3336 /* Written everything correctly and BufWriteCmd has reset | |
| 3337 * 'modified': Correct the undo information so that an | |
| 3338 * undo now sets 'modified'. */ | |
| 3339 u_unchanged(curbuf); | |
| 3340 u_update_save_nr(curbuf); | |
| 3341 } | |
| 3342 } | |
| 3343 else | |
| 17 | 3344 { |
| 635 | 3345 #ifdef FEAT_QUICKFIX |
| 179 | 3346 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3347 nofile_err = TRUE; |
| 3348 else | |
| 635 | 3349 #endif |
| 17 | 3350 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
| 7 | 3351 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3352 } |
| 7 | 3353 } |
| 3354 else | |
| 3355 { | |
| 3356 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
| 3357 sfname, sfname, FALSE, curbuf, eap))) | |
| 17 | 3358 { |
| 635 | 3359 #ifdef FEAT_QUICKFIX |
| 179 | 3360 if (overwriting && bt_nofile(curbuf)) |
| 17 | 3361 nofile_err = TRUE; |
| 3362 else | |
| 635 | 3363 #endif |
| 17 | 3364 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
| 7 | 3365 sfname, sfname, FALSE, curbuf, eap); |
| 17 | 3366 } |
| 7 | 3367 } |
| 3368 | |
| 3369 /* restore curwin/curbuf and a few other things */ | |
| 3370 aucmd_restbuf(&aco); | |
| 3371 | |
| 3372 /* | |
| 3373 * In three situations we return here and don't write the file: | |
| 3374 * 1. the autocommands deleted or unloaded the buffer. | |
| 3375 * 2. The autocommands abort script processing. | |
| 3376 * 3. If one of the "Cmd" autocommands was executed. | |
| 3377 */ | |
| 3378 if (!buf_valid(buf)) | |
| 3379 buf = NULL; | |
| 161 | 3380 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
| 532 | 3381 || did_cmd || nofile_err |
| 3382 #ifdef FEAT_EVAL | |
| 3383 || aborting() | |
| 3384 #endif | |
| 3385 ) | |
| 7 | 3386 { |
| 3387 --no_wait_return; | |
| 3388 msg_scroll = msg_save; | |
| 17 | 3389 if (nofile_err) |
| 3390 EMSG(_("E676: No matching autocommands for acwrite buffer")); | |
| 3391 | |
| 532 | 3392 if (nofile_err |
| 3393 #ifdef FEAT_EVAL | |
| 3394 || aborting() | |
| 3395 #endif | |
| 3396 ) | |
| 7 | 3397 /* An aborting error, interrupt or exception in the |
| 3398 * autocommands. */ | |
| 3399 return FAIL; | |
| 3400 if (did_cmd) | |
| 3401 { | |
| 3402 if (buf == NULL) | |
| 3403 /* The buffer was deleted. We assume it was written | |
| 3404 * (can't retry anyway). */ | |
| 3405 return OK; | |
| 3406 if (overwriting) | |
| 3407 { | |
| 3408 /* Assume the buffer was written, update the timestamp. */ | |
| 3409 ml_timestamp(buf); | |
| 589 | 3410 if (append) |
| 3411 buf->b_flags &= ~BF_NEW; | |
| 3412 else | |
| 3413 buf->b_flags &= ~BF_WRITE_MASK; | |
| 7 | 3414 } |
| 589 | 3415 if (reset_changed && buf->b_changed && !append |
| 39 | 3416 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
| 7 | 3417 /* Buffer still changed, the autocommands didn't work |
| 3418 * properly. */ | |
| 3419 return FAIL; | |
| 3420 return OK; | |
| 3421 } | |
| 3422 #ifdef FEAT_EVAL | |
| 3423 if (!aborting()) | |
| 3424 #endif | |
| 3425 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written")); | |
| 3426 return FAIL; | |
| 3427 } | |
| 3428 | |
| 3429 /* | |
| 3430 * The autocommands may have changed the number of lines in the file. | |
| 3431 * When writing the whole file, adjust the end. | |
| 3432 * When writing part of the file, assume that the autocommands only | |
| 3433 * changed the number of lines that are to be written (tricky!). | |
| 3434 */ | |
| 3435 if (buf->b_ml.ml_line_count != old_line_count) | |
| 3436 { | |
| 3437 if (whole) /* write all */ | |
| 3438 end = buf->b_ml.ml_line_count; | |
| 3439 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
| 3440 end += buf->b_ml.ml_line_count - old_line_count; | |
| 3441 else /* less lines */ | |
| 3442 { | |
| 3443 end -= old_line_count - buf->b_ml.ml_line_count; | |
| 3444 if (end < start) | |
| 3445 { | |
| 3446 --no_wait_return; | |
| 3447 msg_scroll = msg_save; | |
| 3448 EMSG(_("E204: Autocommand changed number of lines in unexpected way")); | |
| 3449 return FAIL; | |
| 3450 } | |
| 3451 } | |
| 3452 } | |
| 3453 | |
| 3454 /* | |
| 3455 * The autocommands may have changed the name of the buffer, which may | |
| 3456 * be kept in fname, ffname and sfname. | |
| 3457 */ | |
| 3458 if (buf_ffname) | |
| 3459 ffname = buf->b_ffname; | |
| 3460 if (buf_sfname) | |
| 3461 sfname = buf->b_sfname; | |
| 3462 if (buf_fname_f) | |
| 3463 fname = buf->b_ffname; | |
| 3464 if (buf_fname_s) | |
| 3465 fname = buf->b_sfname; | |
| 3466 } | |
| 3467 #endif | |
| 3468 | |
| 3469 #ifdef FEAT_NETBEANS_INTG | |
| 2210 | 3470 if (netbeans_active() && isNetbeansBuffer(buf)) |
| 7 | 3471 { |
| 3472 if (whole) | |
| 3473 { | |
| 3474 /* | |
| 3475 * b_changed can be 0 after an undo, but we still need to write | |
| 3476 * the buffer to NetBeans. | |
| 3477 */ | |
| 3478 if (buf->b_changed || isNetbeansModified(buf)) | |
| 3479 { | |
| 33 | 3480 --no_wait_return; /* may wait for return now */ |
| 3481 msg_scroll = msg_save; | |
| 3482 netbeans_save_buffer(buf); /* no error checking... */ | |
| 7 | 3483 return retval; |
| 3484 } | |
| 3485 else | |
| 3486 { | |
| 3487 errnum = (char_u *)"E656: "; | |
| 1653 | 3488 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
| 7 | 3489 buffer = NULL; |
| 3490 goto fail; | |
| 3491 } | |
| 3492 } | |
| 3493 else | |
| 3494 { | |
| 3495 errnum = (char_u *)"E657: "; | |
| 3496 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
| 3497 buffer = NULL; | |
| 3498 goto fail; | |
| 3499 } | |
| 3500 } | |
| 3501 #endif | |
| 3502 | |
| 3503 if (shortmess(SHM_OVER) && !exiting) | |
| 3504 msg_scroll = FALSE; /* overwrite previous file message */ | |
| 3505 else | |
| 3506 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
| 3507 if (!filtering) | |
| 3508 filemess(buf, | |
| 3509 #ifndef UNIX | |
| 3510 sfname, | |
| 3511 #else | |
| 3512 fname, | |
| 3513 #endif | |
| 3514 (char_u *)"", 0); /* show that we are busy */ | |
| 3515 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 3516 | |
| 3517 buffer = alloc(BUFSIZE); | |
| 3518 if (buffer == NULL) /* can't allocate big buffer, use small | |
| 3519 * one (to be able to write when out of | |
| 3520 * memory) */ | |
| 3521 { | |
| 3522 buffer = smallbuf; | |
| 3523 bufsize = SMBUFSIZE; | |
| 3524 } | |
| 3525 else | |
| 3526 bufsize = BUFSIZE; | |
| 3527 | |
| 3528 /* | |
| 3529 * Get information about original file (if there is one). | |
| 3530 */ | |
|
7410
08e62c4fc17d
commit https://github.com/vim/vim/commit/53076830fea6df737455523f7e235bfe4f79864d
Christian Brabandt <cb@256bit.org>
parents:
7408
diff
changeset
|
3531 #if defined(UNIX) |
| 1438 | 3532 st_old.st_dev = 0; |
| 3533 st_old.st_ino = 0; | |
| 7 | 3534 perm = -1; |
| 3535 if (mch_stat((char *)fname, &st_old) < 0) | |
| 3536 newfile = TRUE; | |
| 3537 else | |
| 3538 { | |
| 3539 perm = st_old.st_mode; | |
| 3540 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
| 3541 { | |
| 3542 if (S_ISDIR(st_old.st_mode)) | |
| 3543 { | |
| 3544 errnum = (char_u *)"E502: "; | |
| 3545 errmsg = (char_u *)_("is a directory"); | |
| 3546 goto fail; | |
| 3547 } | |
| 3548 if (mch_nodetype(fname) != NODE_WRITABLE) | |
| 3549 { | |
| 3550 errnum = (char_u *)"E503: "; | |
| 3551 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3552 goto fail; | |
| 3553 } | |
| 3554 /* It's a device of some kind (or a fifo) which we can write to | |
| 3555 * but for which we can't make a backup. */ | |
| 3556 device = TRUE; | |
| 3557 newfile = TRUE; | |
| 3558 perm = -1; | |
| 3559 } | |
| 3560 } | |
| 3561 #else /* !UNIX */ | |
| 3562 /* | |
| 3563 * Check for a writable device name. | |
| 3564 */ | |
| 3565 c = mch_nodetype(fname); | |
| 3566 if (c == NODE_OTHER) | |
| 3567 { | |
| 3568 errnum = (char_u *)"E503: "; | |
| 3569 errmsg = (char_u *)_("is not a file or writable device"); | |
| 3570 goto fail; | |
| 3571 } | |
| 3572 if (c == NODE_WRITABLE) | |
| 3573 { | |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3574 # if defined(MSWIN) |
| 1004 | 3575 /* MS-Windows allows opening a device, but we will probably get stuck |
| 3576 * trying to write to it. */ | |
| 3577 if (!p_odev) | |
| 3578 { | |
| 3579 errnum = (char_u *)"E796: "; | |
| 3580 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
| 3581 goto fail; | |
| 3582 } | |
| 3583 # endif | |
| 7 | 3584 device = TRUE; |
| 3585 newfile = TRUE; | |
| 3586 perm = -1; | |
| 3587 } | |
| 3588 else | |
| 3589 { | |
| 3590 perm = mch_getperm(fname); | |
| 3591 if (perm < 0) | |
| 3592 newfile = TRUE; | |
| 3593 else if (mch_isdir(fname)) | |
| 3594 { | |
| 3595 errnum = (char_u *)"E502: "; | |
| 3596 errmsg = (char_u *)_("is a directory"); | |
| 3597 goto fail; | |
| 3598 } | |
| 3599 if (overwriting) | |
| 3600 (void)mch_stat((char *)fname, &st_old); | |
| 3601 } | |
| 3602 #endif /* !UNIX */ | |
| 3603 | |
| 3604 if (!device && !newfile) | |
| 3605 { | |
| 3606 /* | |
| 3607 * Check if the file is really writable (when renaming the file to | |
| 3608 * make a backup we won't discover it later). | |
| 3609 */ | |
| 1303 | 3610 file_readonly = check_file_readonly(fname, (int)perm); |
| 3611 | |
| 7 | 3612 if (!forceit && file_readonly) |
| 3613 { | |
| 3614 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
| 3615 { | |
| 3616 errnum = (char_u *)"E504: "; | |
| 3617 errmsg = (char_u *)_(err_readonly); | |
| 3618 } | |
| 3619 else | |
| 3620 { | |
| 3621 errnum = (char_u *)"E505: "; | |
| 3622 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
| 3623 } | |
| 3624 goto fail; | |
| 3625 } | |
| 3626 | |
| 3627 /* | |
| 3628 * Check if the timestamp hasn't changed since reading the file. | |
| 3629 */ | |
| 3630 if (overwriting) | |
| 3631 { | |
| 3632 retval = check_mtime(buf, &st_old); | |
| 3633 if (retval == FAIL) | |
| 3634 goto fail; | |
| 3635 } | |
| 3636 } | |
| 3637 | |
| 3638 #ifdef HAVE_ACL | |
| 3639 /* | |
| 3640 * For systems that support ACL: get the ACL from the original file. | |
| 3641 */ | |
| 3642 if (!newfile) | |
| 3643 acl = mch_get_acl(fname); | |
| 3644 #endif | |
| 3645 | |
| 3646 /* | |
| 3647 * If 'backupskip' is not empty, don't make a backup for some files. | |
| 3648 */ | |
| 3649 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
| 3650 #ifdef FEAT_WILDIGN | |
| 3651 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
| 3652 dobackup = FALSE; | |
| 3653 #endif | |
| 3654 | |
| 3655 /* | |
| 3656 * Save the value of got_int and reset it. We don't want a previous | |
| 3657 * interruption cancel writing, only hitting CTRL-C while writing should | |
| 3658 * abort it. | |
| 3659 */ | |
| 3660 prev_got_int = got_int; | |
| 3661 got_int = FALSE; | |
| 3662 | |
| 3663 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
| 3664 buf->b_saving = TRUE; | |
| 3665 | |
| 3666 /* | |
| 3667 * If we are not appending or filtering, the file exists, and the | |
| 3668 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
| 3669 * When 'patchmode' is set also make a backup when appending. | |
| 3670 * | |
| 3671 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
| 3672 * off. This helps when editing large files on almost-full disks. | |
| 3673 */ | |
| 3674 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
| 3675 { | |
| 3676 #if defined(UNIX) || defined(WIN32) | |
| 3677 struct stat st; | |
| 3678 #endif | |
| 3679 | |
| 6243 | 3680 if ((bkc & BKC_YES) || append) /* "yes" */ |
| 7 | 3681 backup_copy = TRUE; |
| 3682 #if defined(UNIX) || defined(WIN32) | |
| 6243 | 3683 else if ((bkc & BKC_AUTO)) /* "auto" */ |
| 7 | 3684 { |
| 3685 int i; | |
| 3686 | |
| 3687 # ifdef UNIX | |
| 3688 /* | |
| 3689 * Don't rename the file when: | |
| 3690 * - it's a hard link | |
| 3691 * - it's a symbolic link | |
| 3692 * - we don't have write permission in the directory | |
| 3693 * - we can't set the owner/group of the new file | |
| 3694 */ | |
| 3695 if (st_old.st_nlink > 1 | |
| 3696 || mch_lstat((char *)fname, &st) < 0 | |
| 3697 || st.st_dev != st_old.st_dev | |
| 557 | 3698 || st.st_ino != st_old.st_ino |
| 3699 # ifndef HAVE_FCHOWN | |
| 3700 || st.st_uid != st_old.st_uid | |
| 3701 || st.st_gid != st_old.st_gid | |
| 3702 # endif | |
| 3703 ) | |
| 7 | 3704 backup_copy = TRUE; |
| 3705 else | |
| 696 | 3706 # else |
| 3707 # ifdef WIN32 | |
| 3708 /* On NTFS file systems hard links are possible. */ | |
| 3709 if (mch_is_linked(fname)) | |
| 3710 backup_copy = TRUE; | |
| 3711 else | |
| 3712 # endif | |
| 7 | 3713 # endif |
| 3714 { | |
| 3715 /* | |
| 3716 * Check if we can create a file and set the owner/group to | |
| 3717 * the ones from the original file. | |
| 3718 * First find a file name that doesn't exist yet (use some | |
| 3719 * arbitrary numbers). | |
| 3720 */ | |
| 3721 STRCPY(IObuff, fname); | |
| 3722 for (i = 4913; ; i += 123) | |
| 3723 { | |
| 3724 sprintf((char *)gettail(IObuff), "%d", i); | |
| 557 | 3725 if (mch_lstat((char *)IObuff, &st) < 0) |
| 7 | 3726 break; |
| 3727 } | |
| 557 | 3728 fd = mch_open((char *)IObuff, |
| 3729 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
| 7 | 3730 if (fd < 0) /* can't write in directory */ |
| 3731 backup_copy = TRUE; | |
| 3732 else | |
| 3733 { | |
| 3734 # ifdef UNIX | |
| 557 | 3735 # ifdef HAVE_FCHOWN |
| 1757 | 3736 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 3737 # endif |
| 7 | 3738 if (mch_stat((char *)IObuff, &st) < 0 |
| 3739 || st.st_uid != st_old.st_uid | |
| 3740 || st.st_gid != st_old.st_gid | |
| 1877 | 3741 || (long)st.st_mode != perm) |
| 7 | 3742 backup_copy = TRUE; |
| 3743 # endif | |
| 567 | 3744 /* Close the file before removing it, on MS-Windows we |
| 3745 * can't delete an open file. */ | |
| 3746 close(fd); | |
| 7 | 3747 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
|
3748 # 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
|
3749 /* 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
|
3750 * 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
|
3751 * second. */ |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3752 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3753 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
|
3754 |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3755 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
|
3756 { |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3757 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
|
3758 break; |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3759 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
|
3760 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
|
3761 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3762 } |
|
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3763 # endif |
| 7 | 3764 } |
| 3765 } | |
| 3766 } | |
| 3767 | |
| 3768 /* | |
| 3769 * Break symlinks and/or hardlinks if we've been asked to. | |
| 3770 */ | |
| 6243 | 3771 if ((bkc & BKC_BREAKSYMLINK) || (bkc & BKC_BREAKHARDLINK)) |
| 7 | 3772 { |
|
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3773 # ifdef UNIX |
| 7 | 3774 int lstat_res; |
| 3775 | |
| 3776 lstat_res = mch_lstat((char *)fname, &st); | |
| 3777 | |
| 3778 /* Symlinks. */ | |
| 6243 | 3779 if ((bkc & BKC_BREAKSYMLINK) |
| 7 | 3780 && lstat_res == 0 |
| 3781 && st.st_ino != st_old.st_ino) | |
| 3782 backup_copy = FALSE; | |
| 3783 | |
| 3784 /* Hardlinks. */ | |
| 6243 | 3785 if ((bkc & BKC_BREAKHARDLINK) |
| 7 | 3786 && st_old.st_nlink > 1 |
| 3787 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
| 3788 backup_copy = FALSE; | |
|
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3789 # else |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3790 # if defined(WIN32) |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3791 /* Symlinks. */ |
| 6243 | 3792 if ((bkc & BKC_BREAKSYMLINK) && mch_is_symbolic_link(fname)) |
|
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3793 backup_copy = FALSE; |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3794 |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3795 /* Hardlinks. */ |
| 6243 | 3796 if ((bkc & BKC_BREAKHARDLINK) && mch_is_hard_link(fname)) |
|
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3797 backup_copy = FALSE; |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3798 # endif |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3799 # endif |
|
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3800 } |
| 7 | 3801 |
| 3802 #endif | |
| 3803 | |
| 3804 /* make sure we have a valid backup extension to use */ | |
| 3805 if (*p_bex == NUL) | |
| 3806 backup_ext = (char_u *)".bak"; | |
| 3807 else | |
| 3808 backup_ext = p_bex; | |
| 3809 | |
| 3810 if (backup_copy | |
| 3811 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 3812 { | |
| 3813 int bfd; | |
| 3814 char_u *copybuf, *wp; | |
| 3815 int some_error = FALSE; | |
| 3816 struct stat st_new; | |
| 3817 char_u *dirp; | |
| 3818 char_u *rootname; | |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3819 #if defined(UNIX) |
| 7 | 3820 int did_set_shortname; |
| 3821 #endif | |
| 3822 | |
| 3823 copybuf = alloc(BUFSIZE + 1); | |
| 3824 if (copybuf == NULL) | |
| 3825 { | |
| 3826 some_error = TRUE; /* out of memory */ | |
| 3827 goto nobackup; | |
| 3828 } | |
| 3829 | |
| 3830 /* | |
| 3831 * Try to make the backup in each directory in the 'bdir' option. | |
| 3832 * | |
| 3833 * Unix semantics has it, that we may have a writable file, | |
| 3834 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
| 3835 * - the directory is not writable, | |
| 3836 * - the file may be a symbolic link, | |
| 3837 * - the file may belong to another user/group, etc. | |
| 3838 * | |
| 3839 * For these reasons, the existing writable file must be truncated | |
| 3840 * and reused. Creation of a backup COPY will be attempted. | |
| 3841 */ | |
| 3842 dirp = p_bdir; | |
| 3843 while (*dirp) | |
| 3844 { | |
| 3845 #ifdef UNIX | |
| 3846 st_new.st_ino = 0; | |
| 3847 st_new.st_dev = 0; | |
| 3848 st_new.st_gid = 0; | |
| 3849 #endif | |
| 3850 | |
| 3851 /* | |
| 3852 * Isolate one directory name, using an entry in 'bdir'. | |
| 3853 */ | |
| 3854 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
| 3855 rootname = get_file_in_dir(fname, copybuf); | |
| 3856 if (rootname == NULL) | |
| 3857 { | |
| 3858 some_error = TRUE; /* out of memory */ | |
| 3859 goto nobackup; | |
| 3860 } | |
| 3861 | |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3862 #if defined(UNIX) |
| 7 | 3863 did_set_shortname = FALSE; |
| 3864 #endif | |
| 3865 | |
| 3866 /* | |
| 3867 * May try twice if 'shortname' not set. | |
| 3868 */ | |
| 3869 for (;;) | |
| 3870 { | |
| 3871 /* | |
| 3872 * Make backup file name. | |
| 3873 */ | |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3874 backup = buf_modname((buf->b_p_sn || buf->b_shortname), |
| 7 | 3875 rootname, backup_ext, FALSE); |
| 3876 if (backup == NULL) | |
| 3877 { | |
| 3878 vim_free(rootname); | |
| 3879 some_error = TRUE; /* out of memory */ | |
| 3880 goto nobackup; | |
| 3881 } | |
| 3882 | |
| 3883 /* | |
| 3884 * Check if backup file already exists. | |
| 3885 */ | |
| 3886 if (mch_stat((char *)backup, &st_new) >= 0) | |
| 3887 { | |
| 3888 #ifdef UNIX | |
| 3889 /* | |
| 3890 * Check if backup file is same as original file. | |
| 3891 * May happen when modname() gave the same file back. | |
| 3892 * E.g. silly link, or file name-length reached. | |
| 3893 * If we don't check here, we either ruin the file | |
| 3894 * when copying or erase it after writing. jw. | |
| 3895 */ | |
| 3896 if (st_new.st_dev == st_old.st_dev | |
| 3897 && st_new.st_ino == st_old.st_ino) | |
| 3898 { | |
| 3899 vim_free(backup); | |
| 3900 backup = NULL; /* no backup file to delete */ | |
| 3901 /* | |
| 3902 * may try again with 'shortname' set | |
| 3903 */ | |
| 3904 if (!(buf->b_shortname || buf->b_p_sn)) | |
| 3905 { | |
| 3906 buf->b_shortname = TRUE; | |
| 3907 did_set_shortname = TRUE; | |
| 3908 continue; | |
| 3909 } | |
| 3910 /* setting shortname didn't help */ | |
| 3911 if (did_set_shortname) | |
| 3912 buf->b_shortname = FALSE; | |
| 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)); | |
| 5788 | 3981 # if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
| 1583 | 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 | |
| 5788 | 4020 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
| 1583 | 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 { | |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
4080 backup = buf_modname((buf->b_p_sn || buf->b_shortname), |
| 7 | 4081 rootname, backup_ext, FALSE); |
| 4082 vim_free(rootname); | |
| 4083 } | |
| 4084 | |
| 4085 if (backup != NULL) | |
| 4086 { | |
| 4087 /* | |
| 4088 * If we are not going to keep the backup file, don't | |
| 4089 * delete an existing one, try to use another name. | |
| 4090 * Change one character, just before the extension. | |
| 4091 */ | |
| 4092 if (!p_bk && mch_getperm(backup) >= 0) | |
| 4093 { | |
| 4094 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
| 4095 if (p < backup) /* empty file name ??? */ | |
| 4096 p = backup; | |
| 4097 *p = 'z'; | |
| 4098 while (*p > 'a' && mch_getperm(backup) >= 0) | |
| 4099 --*p; | |
| 4100 /* They all exist??? Must be something wrong! */ | |
| 4101 if (*p == 'a') | |
| 4102 { | |
| 4103 vim_free(backup); | |
| 4104 backup = NULL; | |
| 4105 } | |
| 4106 } | |
| 4107 } | |
| 4108 if (backup != NULL) | |
| 4109 { | |
| 4110 /* | |
| 531 | 4111 * Delete any existing backup and move the current version |
| 4112 * to the backup. For safety, we don't remove the backup | |
| 4113 * until the write has finished successfully. And if the | |
| 4114 * 'backup' option is set, leave it around. | |
| 7 | 4115 */ |
| 4116 /* | |
| 4117 * If the renaming of the original file to the backup file | |
| 4118 * works, quit here. | |
| 4119 */ | |
| 4120 if (vim_rename(fname, backup) == 0) | |
| 4121 break; | |
| 4122 | |
| 4123 vim_free(backup); /* don't do the rename below */ | |
| 4124 backup = NULL; | |
| 4125 } | |
| 4126 } | |
| 4127 if (backup == NULL && !forceit) | |
| 4128 { | |
| 4129 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
| 4130 goto fail; | |
| 4131 } | |
| 4132 } | |
| 4133 } | |
| 4134 | |
|
7410
08e62c4fc17d
commit https://github.com/vim/vim/commit/53076830fea6df737455523f7e235bfe4f79864d
Christian Brabandt <cb@256bit.org>
parents:
7408
diff
changeset
|
4135 #if defined(UNIX) |
| 7 | 4136 /* When using ":w!" and the file was read-only: make it writable */ |
| 4137 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
| 4138 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
| 4139 { | |
| 4140 perm |= 0200; | |
| 4141 (void)mch_setperm(fname, perm); | |
| 4142 made_writable = TRUE; | |
| 4143 } | |
| 4144 #endif | |
| 4145 | |
| 819 | 4146 /* When using ":w!" and writing to the current file, 'readonly' makes no |
| 164 | 4147 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
| 4148 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
| 7 | 4149 { |
| 4150 buf->b_p_ro = FALSE; | |
| 4151 #ifdef FEAT_TITLE | |
| 4152 need_maketitle = TRUE; /* set window title later */ | |
| 4153 #endif | |
| 4154 #ifdef FEAT_WINDOWS | |
| 4155 status_redraw_all(); /* redraw status lines later */ | |
| 4156 #endif | |
| 4157 } | |
| 4158 | |
| 4159 if (end > buf->b_ml.ml_line_count) | |
| 4160 end = buf->b_ml.ml_line_count; | |
| 4161 if (buf->b_ml.ml_flags & ML_EMPTY) | |
| 4162 start = end + 1; | |
| 4163 | |
| 4164 /* | |
| 4165 * If the original file is being overwritten, there is a small chance that | |
| 4166 * we crash in the middle of writing. Therefore the file is preserved now. | |
| 4167 * This makes all block numbers positive so that recovery does not need | |
| 4168 * the original file. | |
| 4169 * Don't do this if there is a backup file and we are exiting. | |
| 4170 */ | |
| 39 | 4171 if (reset_changed && !newfile && overwriting |
| 7 | 4172 && !(exiting && backup != NULL)) |
| 4173 { | |
| 4174 ml_preserve(buf, FALSE); | |
| 4175 if (got_int) | |
| 4176 { | |
| 4177 errmsg = (char_u *)_(e_interr); | |
| 4178 goto restore_backup; | |
| 4179 } | |
| 4180 } | |
| 4181 | |
| 4182 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4183 /* | |
| 4184 * Before risking to lose the original file verify if there's | |
| 4185 * a resource fork to preserve, and if cannot be done warn | |
| 4186 * the users. This happens when overwriting without backups. | |
| 4187 */ | |
| 4188 if (backup == NULL && overwriting && !append) | |
| 4189 if (mch_has_resource_fork(fname)) | |
| 4190 { | |
| 4191 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)"); | |
| 4192 goto restore_backup; | |
| 4193 } | |
| 4194 #endif | |
| 4195 | |
| 4196 #ifdef VMS | |
| 4197 vms_remove_version(fname); /* remove version */ | |
| 4198 #endif | |
| 1651 | 4199 /* Default: write the file directly. May write to a temp file for |
| 7 | 4200 * multi-byte conversion. */ |
| 4201 wfname = fname; | |
| 4202 | |
| 4203 #ifdef FEAT_MBYTE | |
| 4204 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
| 4205 if (eap != NULL && eap->force_enc != 0) | |
| 4206 { | |
| 4207 fenc = eap->cmd + eap->force_enc; | |
| 4208 fenc = enc_canonize(fenc); | |
| 4209 fenc_tofree = fenc; | |
| 4210 } | |
| 4211 else | |
| 4212 fenc = buf->b_p_fenc; | |
| 4213 | |
| 4214 /* | |
| 1948 | 4215 * Check if the file needs to be converted. |
| 7 | 4216 */ |
| 1948 | 4217 converted = need_conversion(fenc); |
| 7 | 4218 |
| 4219 /* | |
| 4220 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
| 4221 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
| 4222 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
| 4223 */ | |
| 4224 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
| 4225 { | |
| 4226 wb_flags = get_fio_flags(fenc); | |
| 4227 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
| 4228 { | |
| 4229 /* Need to allocate a buffer to translate into. */ | |
| 4230 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
| 4231 write_info.bw_conv_buflen = bufsize * 2; | |
| 4232 else /* FIO_UCS4 */ | |
| 4233 write_info.bw_conv_buflen = bufsize * 4; | |
| 4234 write_info.bw_conv_buf | |
| 4235 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4236 if (write_info.bw_conv_buf == NULL) | |
| 4237 end = 0; | |
| 4238 } | |
| 4239 } | |
| 4240 | |
| 4241 # ifdef WIN3264 | |
| 4242 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) | |
| 4243 { | |
| 4244 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
| 4245 write_info.bw_conv_buflen = bufsize * 4; | |
| 4246 write_info.bw_conv_buf | |
| 4247 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4248 if (write_info.bw_conv_buf == NULL) | |
| 4249 end = 0; | |
| 4250 } | |
| 4251 # endif | |
| 4252 | |
| 4253 # ifdef MACOS_X | |
| 4254 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) | |
| 4255 { | |
| 4256 write_info.bw_conv_buflen = bufsize * 3; | |
| 4257 write_info.bw_conv_buf | |
| 4258 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4259 if (write_info.bw_conv_buf == NULL) | |
| 4260 end = 0; | |
| 4261 } | |
| 4262 # endif | |
| 4263 | |
| 4264 # if defined(FEAT_EVAL) || defined(USE_ICONV) | |
| 4265 if (converted && wb_flags == 0) | |
| 4266 { | |
| 4267 # ifdef USE_ICONV | |
| 4268 /* | |
| 4269 * Use iconv() conversion when conversion is needed and it's not done | |
| 4270 * internally. | |
| 4271 */ | |
| 4272 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
| 4273 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
| 4274 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 4275 { | |
| 4276 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
| 4277 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
| 4278 write_info.bw_conv_buf | |
| 4279 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
| 4280 if (write_info.bw_conv_buf == NULL) | |
| 4281 end = 0; | |
| 4282 write_info.bw_first = TRUE; | |
| 4283 } | |
| 4284 # ifdef FEAT_EVAL | |
| 4285 else | |
| 4286 # endif | |
| 4287 # endif | |
| 4288 | |
| 4289 # ifdef FEAT_EVAL | |
| 4290 /* | |
| 4291 * When the file needs to be converted with 'charconvert' after | |
| 4292 * writing, write to a temp file instead and let the conversion | |
| 4293 * overwrite the original file. | |
| 4294 */ | |
| 4295 if (*p_ccv != NUL) | |
| 4296 { | |
| 6721 | 4297 wfname = vim_tempname('w', FALSE); |
| 7 | 4298 if (wfname == NULL) /* Can't write without a tempfile! */ |
| 4299 { | |
| 4300 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
| 4301 goto restore_backup; | |
| 4302 } | |
| 4303 } | |
| 4304 # endif | |
| 4305 } | |
| 4306 # endif | |
| 4307 if (converted && wb_flags == 0 | |
| 4308 # ifdef USE_ICONV | |
| 4309 && write_info.bw_iconv_fd == (iconv_t)-1 | |
| 4310 # endif | |
| 4311 # ifdef FEAT_EVAL | |
| 4312 && wfname == fname | |
| 4313 # endif | |
| 4314 ) | |
| 4315 { | |
| 4316 if (!forceit) | |
| 4317 { | |
| 4318 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
| 4319 goto restore_backup; | |
| 4320 } | |
| 4321 notconverted = TRUE; | |
| 4322 } | |
| 4323 #endif | |
| 4324 | |
| 4325 /* | |
| 4326 * Open the file "wfname" for writing. | |
| 4327 * We may try to open the file twice: If we can't write to the | |
| 4328 * file and forceit is TRUE we delete the existing file and try to create | |
| 4329 * a new one. If this still fails we may have lost the original file! | |
| 4330 * (this may happen when the user reached his quotum for number of files). | |
| 4331 * Appending will fail if the file does not exist and forceit is FALSE. | |
| 4332 */ | |
| 4333 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append | |
| 4334 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) | |
| 4335 : (O_CREAT | O_TRUNC)) | |
| 216 | 4336 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4337 { |
| 4338 /* | |
| 4339 * A forced write will try to create a new file if the old one is | |
| 4340 * still readonly. This may also happen when the directory is | |
| 4341 * read-only. In that case the mch_remove() will fail. | |
| 4342 */ | |
| 4343 if (errmsg == NULL) | |
| 4344 { | |
| 4345 #ifdef UNIX | |
| 4346 struct stat st; | |
| 4347 | |
| 4348 /* Don't delete the file when it's a hard or symbolic link. */ | |
| 4349 if ((!newfile && st_old.st_nlink > 1) | |
| 4350 || (mch_lstat((char *)fname, &st) == 0 | |
| 4351 && (st.st_dev != st_old.st_dev | |
| 4352 || st.st_ino != st_old.st_ino))) | |
| 4353 errmsg = (char_u *)_("E166: Can't open linked file for writing"); | |
| 4354 else | |
| 4355 #endif | |
| 4356 { | |
| 4357 errmsg = (char_u *)_("E212: Can't open file for writing"); | |
| 4358 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL | |
| 4359 && perm >= 0) | |
| 4360 { | |
| 4361 #ifdef UNIX | |
| 4362 /* we write to the file, thus it should be marked | |
| 4363 writable after all */ | |
| 4364 if (!(perm & 0200)) | |
| 4365 made_writable = TRUE; | |
| 4366 perm |= 0200; | |
| 4367 if (st_old.st_uid != getuid() || st_old.st_gid != getgid()) | |
| 4368 perm &= 0777; | |
| 4369 #endif | |
| 4370 if (!append) /* don't remove when appending */ | |
| 4371 mch_remove(wfname); | |
| 4372 continue; | |
| 4373 } | |
| 4374 } | |
| 4375 } | |
| 4376 | |
| 4377 restore_backup: | |
| 4378 { | |
| 4379 struct stat st; | |
| 4380 | |
| 4381 /* | |
| 4382 * If we failed to open the file, we don't need a backup. Throw it | |
| 4383 * away. If we moved or removed the original file try to put the | |
| 4384 * backup in its place. | |
| 4385 */ | |
| 4386 if (backup != NULL && wfname == fname) | |
| 4387 { | |
| 4388 if (backup_copy) | |
| 4389 { | |
| 4390 /* | |
| 4391 * There is a small chance that we removed the original, | |
| 4392 * try to move the copy in its place. | |
| 4393 * This may not work if the vim_rename() fails. | |
| 4394 * In that case we leave the copy around. | |
| 4395 */ | |
| 4396 /* If file does not exist, put the copy in its place */ | |
| 4397 if (mch_stat((char *)fname, &st) < 0) | |
| 4398 vim_rename(backup, fname); | |
| 4399 /* if original file does exist throw away the copy */ | |
| 4400 if (mch_stat((char *)fname, &st) >= 0) | |
| 4401 mch_remove(backup); | |
| 4402 } | |
| 4403 else | |
| 4404 { | |
| 4405 /* try to put the original file back */ | |
| 4406 vim_rename(backup, fname); | |
| 4407 } | |
| 4408 } | |
| 4409 | |
| 4410 /* if original file no longer exists give an extra warning */ | |
| 4411 if (!newfile && mch_stat((char *)fname, &st) < 0) | |
| 4412 end = 0; | |
| 4413 } | |
| 4414 | |
| 4415 #ifdef FEAT_MBYTE | |
| 4416 if (wfname != fname) | |
| 4417 vim_free(wfname); | |
| 4418 #endif | |
| 4419 goto fail; | |
| 4420 } | |
| 4421 errmsg = NULL; | |
| 4422 | |
| 4423 #if defined(MACOS_CLASSIC) || defined(WIN3264) | |
| 4424 /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 4425 /* | |
| 4426 * On macintosh copy the original files attributes (i.e. the backup) | |
| 1201 | 4427 * This is done in order to preserve the resource fork and the |
| 4428 * Finder attribute (label, comments, custom icons, file creator) | |
| 7 | 4429 */ |
| 4430 if (backup != NULL && overwriting && !append) | |
| 4431 { | |
| 4432 if (backup_copy) | |
| 4433 (void)mch_copy_file_attribute(wfname, backup); | |
| 4434 else | |
| 4435 (void)mch_copy_file_attribute(backup, wfname); | |
| 4436 } | |
| 4437 | |
| 4438 if (!overwriting && !append) | |
| 4439 { | |
| 4440 if (buf->b_ffname != NULL) | |
| 4441 (void)mch_copy_file_attribute(buf->b_ffname, wfname); | |
| 1201 | 4442 /* Should copy resource fork */ |
| 7 | 4443 } |
| 4444 #endif | |
| 4445 | |
| 4446 write_info.bw_fd = fd; | |
| 4447 | |
| 4448 #ifdef FEAT_CRYPT | |
| 2267 | 4449 if (*buf->b_p_key != NUL && !filtering) |
| 7 | 4450 { |
| 6122 | 4451 char_u *header; |
| 4452 int header_len; | |
| 4453 | |
| 4454 buf->b_cryptstate = crypt_create_for_writing(crypt_get_method_nr(buf), | |
| 4455 buf->b_p_key, &header, &header_len); | |
| 4456 if (buf->b_cryptstate == NULL || header == NULL) | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4457 end = 0; |
|
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4458 else |
|
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2147
diff
changeset
|
4459 { |
| 6122 | 4460 /* Write magic number, so that Vim knows how this file is |
| 4461 * encrypted when reading it back. */ | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
4462 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
|
4463 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
|
4464 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
|
4465 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
|
4466 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
|
4467 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
|
4468 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
|
4469 } |
| 7 | 4470 } |
| 4471 #endif | |
| 4472 | |
| 4473 write_info.bw_buf = buffer; | |
| 4474 nchars = 0; | |
| 4475 | |
| 4476 /* use "++bin", "++nobin" or 'binary' */ | |
| 4477 if (eap != NULL && eap->force_bin != 0) | |
| 4478 write_bin = (eap->force_bin == FORCE_BIN); | |
| 4479 else | |
| 4480 write_bin = buf->b_p_bin; | |
| 4481 | |
| 4482 #ifdef FEAT_MBYTE | |
| 4483 /* | |
| 4484 * The BOM is written just after the encryption magic number. | |
| 24 | 4485 * Skip it when appending and the file already existed, the BOM only makes |
| 4486 * sense at the start of the file. | |
| 7 | 4487 */ |
| 24 | 4488 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
| 7 | 4489 { |
| 4490 write_info.bw_len = make_bom(buffer, fenc); | |
| 4491 if (write_info.bw_len > 0) | |
| 4492 { | |
| 4493 /* don't convert, do encryption */ | |
| 4494 write_info.bw_flags = FIO_NOCONVERT | wb_flags; | |
| 4495 if (buf_write_bytes(&write_info) == FAIL) | |
| 4496 end = 0; | |
| 4497 else | |
| 4498 nchars += write_info.bw_len; | |
| 4499 } | |
| 4500 } | |
| 1947 | 4501 write_info.bw_start_lnum = start; |
| 7 | 4502 #endif |
| 4503 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4504 #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
|
4505 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
|
4506 && !filtering && reset_changed); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4507 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
|
4508 /* 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
|
4509 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
|
4510 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4511 |
| 7 | 4512 write_info.bw_len = bufsize; |
| 4513 #ifdef HAS_BW_FLAGS | |
| 4514 write_info.bw_flags = wb_flags; | |
| 4515 #endif | |
| 4516 fileformat = get_fileformat_force(buf, eap); | |
| 4517 s = buffer; | |
| 4518 len = 0; | |
| 4519 for (lnum = start; lnum <= end; ++lnum) | |
| 4520 { | |
| 4521 /* | |
| 4522 * The next while loop is done once for each character written. | |
| 4523 * Keep it fast! | |
| 4524 */ | |
| 4525 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
|
4526 #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
|
4527 if (write_undo_file) |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
4528 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
|
4529 #endif |
| 7 | 4530 while ((c = *++ptr) != NUL) |
| 4531 { | |
| 4532 if (c == NL) | |
| 4533 *s = NUL; /* replace newlines with NULs */ | |
| 4534 else if (c == CAR && fileformat == EOL_MAC) | |
| 4535 *s = NL; /* Mac: replace CRs with NLs */ | |
| 4536 else | |
| 4537 *s = c; | |
| 4538 ++s; | |
| 4539 if (++len != bufsize) | |
| 4540 continue; | |
| 4541 if (buf_write_bytes(&write_info) == FAIL) | |
| 4542 { | |
| 4543 end = 0; /* write error: break loop */ | |
| 4544 break; | |
| 4545 } | |
| 4546 nchars += bufsize; | |
| 4547 s = buffer; | |
| 4548 len = 0; | |
| 1947 | 4549 #ifdef FEAT_MBYTE |
| 4550 write_info.bw_start_lnum = lnum; | |
| 4551 #endif | |
| 7 | 4552 } |
| 4553 /* write failed or last line has no EOL: stop here */ | |
| 4554 if (end == 0 | |
| 4555 || (lnum == end | |
| 6933 | 4556 && (write_bin || !buf->b_p_fixeol) |
| 2707 | 4557 && (lnum == buf->b_no_eol_lnum |
| 7 | 4558 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) |
| 4559 { | |
| 4560 ++lnum; /* written the line, count it */ | |
| 4561 no_eol = TRUE; | |
| 4562 break; | |
| 4563 } | |
| 4564 if (fileformat == EOL_UNIX) | |
| 4565 *s++ = NL; | |
| 4566 else | |
| 4567 { | |
| 4568 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ | |
| 4569 if (fileformat == EOL_DOS) /* write CR-NL */ | |
| 4570 { | |
| 4571 if (++len == bufsize) | |
| 4572 { | |
| 4573 if (buf_write_bytes(&write_info) == FAIL) | |
| 4574 { | |
| 4575 end = 0; /* write error: break loop */ | |
| 4576 break; | |
| 4577 } | |
| 4578 nchars += bufsize; | |
| 4579 s = buffer; | |
| 4580 len = 0; | |
| 4581 } | |
| 4582 *s++ = NL; | |
| 4583 } | |
| 4584 } | |
| 4585 if (++len == bufsize && end) | |
| 4586 { | |
| 4587 if (buf_write_bytes(&write_info) == FAIL) | |
| 4588 { | |
| 4589 end = 0; /* write error: break loop */ | |
| 4590 break; | |
| 4591 } | |
| 4592 nchars += bufsize; | |
| 4593 s = buffer; | |
| 4594 len = 0; | |
| 4595 | |
| 4596 ui_breakcheck(); | |
| 4597 if (got_int) | |
| 4598 { | |
| 4599 end = 0; /* Interrupted, break loop */ | |
| 4600 break; | |
| 4601 } | |
| 4602 } | |
| 4603 #ifdef VMS | |
| 4604 /* | |
| 4605 * On VMS there is a problem: newlines get added when writing blocks | |
| 4606 * at a time. Fix it by writing a line at a time. | |
| 4607 * This is much slower! | |
| 22 | 4608 * Explanation: VAX/DECC RTL insists that records in some RMS |
| 4609 * structures end with a newline (carriage return) character, and if | |
| 4610 * they don't it adds one. | |
| 4611 * With other RMS structures it works perfect without this fix. | |
| 7 | 4612 */ |
| 1431 | 4613 if (buf->b_fab_rfm == FAB$C_VFC |
| 4614 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) | |
| 22 | 4615 { |
| 4616 int b2write; | |
| 4617 | |
| 4618 buf->b_fab_mrs = (buf->b_fab_mrs == 0 | |
| 4619 ? MIN(4096, bufsize) | |
| 4620 : MIN(buf->b_fab_mrs, bufsize)); | |
| 4621 | |
| 4622 b2write = len; | |
| 4623 while (b2write > 0) | |
| 7 | 4624 { |
| 22 | 4625 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
| 4626 if (buf_write_bytes(&write_info) == FAIL) | |
| 4627 { | |
| 4628 end = 0; | |
| 4629 break; | |
| 4630 } | |
| 4631 b2write -= MIN(b2write, buf->b_fab_mrs); | |
| 7 | 4632 } |
| 4633 write_info.bw_len = bufsize; | |
| 4634 nchars += len; | |
| 4635 s = buffer; | |
| 4636 len = 0; | |
| 4637 } | |
| 4638 #endif | |
| 4639 } | |
| 4640 if (len > 0 && end > 0) | |
| 4641 { | |
| 4642 write_info.bw_len = len; | |
| 4643 if (buf_write_bytes(&write_info) == FAIL) | |
| 4644 end = 0; /* write error */ | |
| 4645 nchars += len; | |
| 4646 } | |
| 4647 | |
| 4648 #if defined(UNIX) && defined(HAVE_FSYNC) | |
| 4649 /* On many journalling file systems there is a bug that causes both the | |
| 4650 * original and the backup file to be lost when halting the system right | |
| 4651 * after writing the file. That's because only the meta-data is | |
| 4652 * journalled. Syncing the file slows down the system, but assures it has | |
| 10 | 4653 * been written to disk and we don't lose it. |
| 4654 * For a device do try the fsync() but don't complain if it does not work | |
| 36 | 4655 * (could be a pipe). |
| 4656 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */ | |
| 4657 if (p_fs && fsync(fd) != 0 && !device) | |
| 7 | 4658 { |
| 4659 errmsg = (char_u *)_("E667: Fsync failed"); | |
| 4660 end = 0; | |
| 4661 } | |
| 4662 #endif | |
| 4663 | |
| 5788 | 4664 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
| 1583 | 4665 /* Probably need to set the security context. */ |
| 4666 if (!backup_copy) | |
| 4667 mch_copy_sec(backup, wfname); | |
| 4668 #endif | |
| 4669 | |
| 557 | 4670 #ifdef UNIX |
| 4671 /* When creating a new file, set its owner/group to that of the original | |
| 4672 * file. Get the new device and inode number. */ | |
| 4673 if (backup != NULL && !backup_copy) | |
| 4674 { | |
| 4675 # ifdef HAVE_FCHOWN | |
| 4676 struct stat st; | |
| 4677 | |
| 4678 /* don't change the owner when it's already OK, some systems remove | |
| 4679 * permission or ACL stuff */ | |
| 4680 if (mch_stat((char *)wfname, &st) < 0 | |
| 4681 || st.st_uid != st_old.st_uid | |
| 4682 || st.st_gid != st_old.st_gid) | |
| 4683 { | |
| 1757 | 4684 ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
| 557 | 4685 if (perm >= 0) /* set permission again, may have changed */ |
| 4686 (void)mch_setperm(wfname, perm); | |
| 4687 } | |
| 4688 # endif | |
| 4689 buf_setino(buf); | |
| 4690 } | |
| 1873 | 4691 else if (!buf->b_dev_valid) |
| 617 | 4692 /* Set the inode when creating a new file. */ |
| 4693 buf_setino(buf); | |
| 557 | 4694 #endif |
| 4695 | |
| 7 | 4696 if (close(fd) != 0) |
| 4697 { | |
| 4698 errmsg = (char_u *)_("E512: Close failed"); | |
| 4699 end = 0; | |
| 4700 } | |
| 4701 | |
| 4702 #ifdef UNIX | |
| 4703 if (made_writable) | |
| 4704 perm &= ~0200; /* reset 'w' bit for security reasons */ | |
| 4705 #endif | |
| 4706 if (perm >= 0) /* set perm. of new file same as old file */ | |
| 4707 (void)mch_setperm(wfname, perm); | |
| 4708 #ifdef HAVE_ACL | |
| 4709 /* Probably need to set the ACL before changing the user (can't set the | |
| 4710 * ACL on a file the user doesn't own). */ | |
| 4711 if (!backup_copy) | |
| 4712 mch_set_acl(wfname, acl); | |
| 4713 #endif | |
| 2267 | 4714 #ifdef FEAT_CRYPT |
| 6122 | 4715 if (buf->b_cryptstate != NULL) |
| 4716 { | |
| 4717 crypt_free_state(buf->b_cryptstate); | |
| 4718 buf->b_cryptstate = NULL; | |
| 4719 } | |
| 4720 #endif | |
| 7 | 4721 |
| 4722 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL) | |
| 4723 if (wfname != fname) | |
| 4724 { | |
| 4725 /* | |
| 4726 * The file was written to a temp file, now it needs to be converted | |
| 4727 * with 'charconvert' to (overwrite) the output file. | |
| 4728 */ | |
| 4729 if (end != 0) | |
| 4730 { | |
| 4731 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc, | |
| 4732 wfname, fname) == FAIL) | |
| 4733 { | |
| 4734 write_info.bw_conv_error = TRUE; | |
| 4735 end = 0; | |
| 4736 } | |
| 4737 } | |
| 4738 mch_remove(wfname); | |
| 4739 vim_free(wfname); | |
| 4740 } | |
| 4741 #endif | |
| 4742 | |
| 4743 if (end == 0) | |
| 4744 { | |
| 4745 if (errmsg == NULL) | |
| 4746 { | |
| 4747 #ifdef FEAT_MBYTE | |
| 4748 if (write_info.bw_conv_error) | |
| 1947 | 4749 { |
| 4750 if (write_info.bw_conv_error_lnum == 0) | |
| 4751 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
| 4752 else | |
| 4753 { | |
| 4754 errmsg_allocated = TRUE; | |
| 4755 errmsg = alloc(300); | |
| 4756 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
| 4757 (long)write_info.bw_conv_error_lnum); | |
| 4758 } | |
| 4759 } | |
| 7 | 4760 else |
| 4761 #endif | |
| 4762 if (got_int) | |
| 4763 errmsg = (char_u *)_(e_interr); | |
| 4764 else | |
| 4765 errmsg = (char_u *)_("E514: write error (file system full?)"); | |
| 4766 } | |
| 4767 | |
| 4768 /* | |
| 4769 * If we have a backup file, try to put it in place of the new file, | |
| 1698 | 4770 * because the new file is probably corrupt. This avoids losing the |
| 7 | 4771 * original file when trying to make a backup when writing the file a |
| 4772 * second time. | |
| 4773 * When "backup_copy" is set we need to copy the backup over the new | |
| 4774 * file. Otherwise rename the backup file. | |
| 4775 * If this is OK, don't give the extra warning message. | |
| 4776 */ | |
| 4777 if (backup != NULL) | |
| 4778 { | |
| 4779 if (backup_copy) | |
| 4780 { | |
| 4781 /* This may take a while, if we were interrupted let the user | |
| 4782 * know we got the message. */ | |
| 4783 if (got_int) | |
| 4784 { | |
| 4785 MSG(_(e_interr)); | |
| 4786 out_flush(); | |
| 4787 } | |
| 4788 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
| 4789 { | |
| 4790 if ((write_info.bw_fd = mch_open((char *)fname, | |
| 194 | 4791 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
| 4792 perm & 0777)) >= 0) | |
| 7 | 4793 { |
| 4794 /* copy the file. */ | |
| 4795 write_info.bw_buf = smallbuf; | |
| 4796 #ifdef HAS_BW_FLAGS | |
| 4797 write_info.bw_flags = FIO_NOCONVERT; | |
| 4798 #endif | |
| 2664 | 4799 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
| 7 | 4800 SMBUFSIZE)) > 0) |
| 4801 if (buf_write_bytes(&write_info) == FAIL) | |
| 4802 break; | |
| 4803 | |
| 4804 if (close(write_info.bw_fd) >= 0 | |
| 4805 && write_info.bw_len == 0) | |
| 4806 end = 1; /* success */ | |
| 4807 } | |
| 4808 close(fd); /* ignore errors for closing read file */ | |
| 4809 } | |
| 4810 } | |
| 4811 else | |
| 4812 { | |
| 4813 if (vim_rename(backup, fname) == 0) | |
| 4814 end = 1; | |
| 4815 } | |
| 4816 } | |
| 4817 goto fail; | |
| 4818 } | |
| 4819 | |
| 4820 lnum -= start; /* compute number of written lines */ | |
| 4821 --no_wait_return; /* may wait for return now */ | |
| 4822 | |
| 4823 #if !(defined(UNIX) || defined(VMS)) | |
| 4824 fname = sfname; /* use shortname now, for the messages */ | |
| 4825 #endif | |
| 4826 if (!filtering) | |
| 4827 { | |
| 4828 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
| 4829 c = FALSE; | |
| 4830 #ifdef FEAT_MBYTE | |
| 4831 if (write_info.bw_conv_error) | |
| 4832 { | |
| 4833 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
| 4834 c = TRUE; | |
| 1947 | 4835 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
|
4836 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
| 1947 | 4837 (long)write_info.bw_conv_error_lnum); |
| 7 | 4838 } |
| 4839 else if (notconverted) | |
| 4840 { | |
| 4841 STRCAT(IObuff, _("[NOT converted]")); | |
| 4842 c = TRUE; | |
| 4843 } | |
| 4844 else if (converted) | |
| 4845 { | |
| 4846 STRCAT(IObuff, _("[converted]")); | |
| 4847 c = TRUE; | |
| 4848 } | |
| 4849 #endif | |
| 4850 if (device) | |
| 4851 { | |
| 4852 STRCAT(IObuff, _("[Device]")); | |
| 4853 c = TRUE; | |
| 4854 } | |
| 4855 else if (newfile) | |
| 4856 { | |
| 4857 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
| 4858 c = TRUE; | |
| 4859 } | |
| 4860 if (no_eol) | |
| 4861 { | |
| 4862 msg_add_eol(); | |
| 4863 c = TRUE; | |
| 4864 } | |
| 4865 /* may add [unix/dos/mac] */ | |
| 4866 if (msg_add_fileformat(fileformat)) | |
| 4867 c = TRUE; | |
| 4868 #ifdef FEAT_CRYPT | |
| 4869 if (wb_flags & FIO_ENCRYPTED) | |
| 4870 { | |
| 6122 | 4871 crypt_append_msg(buf); |
| 7 | 4872 c = TRUE; |
| 4873 } | |
| 4874 #endif | |
| 4875 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
| 4876 if (!shortmess(SHM_WRITE)) | |
| 4877 { | |
| 4878 if (append) | |
| 4879 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
| 4880 else | |
| 4881 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
| 4882 } | |
| 4883 | |
| 679 | 4884 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0), 0); |
| 7 | 4885 } |
| 4886 | |
| 39 | 4887 /* When written everything correctly: reset 'modified'. Unless not |
| 4888 * writing to the original file and '+' is not in 'cpoptions'. */ | |
| 589 | 4889 if (reset_changed && whole && !append |
| 7 | 4890 #ifdef FEAT_MBYTE |
| 4891 && !write_info.bw_conv_error | |
| 4892 #endif | |
| 39 | 4893 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL) |
| 4894 ) | |
| 7 | 4895 { |
| 4896 unchanged(buf, TRUE); | |
| 6320 | 4897 #ifdef FEAT_AUTOCMD |
| 4898 /* buf->b_changedtick is always incremented in unchanged() but that | |
| 4899 * should not trigger a TextChanged event. */ | |
| 4900 if (last_changedtick + 1 == buf->b_changedtick | |
| 4901 && last_changedtick_buf == buf) | |
| 4902 last_changedtick = buf->b_changedtick; | |
| 4903 #endif | |
| 7 | 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 { | |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
4927 char *org = (char *)buf_modname((buf->b_p_sn || buf->b_shortname), |
| 7 | 4928 fname, p_pm, FALSE); |
| 4929 | |
| 4930 if (backup != NULL) | |
| 4931 { | |
| 4932 struct stat st; | |
| 4933 | |
| 4934 /* | |
| 4935 * If the original file does not exist yet | |
| 4936 * the current backup file becomes the original file | |
| 4937 */ | |
| 4938 if (org == NULL) | |
| 4939 EMSG(_("E205: Patchmode: can't save original file")); | |
| 4940 else if (mch_stat(org, &st) < 0) | |
| 4941 { | |
| 4942 vim_rename(backup, (char_u *)org); | |
| 4943 vim_free(backup); /* don't delete the file */ | |
| 4944 backup = NULL; | |
| 4945 #ifdef UNIX | |
| 4946 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
| 4947 #endif | |
| 4948 } | |
| 4949 } | |
| 4950 /* | |
| 4951 * If there is no backup file, remember that a (new) file was | |
| 4952 * created. | |
| 4953 */ | |
| 4954 else | |
| 4955 { | |
| 4956 int empty_fd; | |
| 4957 | |
| 4958 if (org == NULL | |
| 557 | 4959 || (empty_fd = mch_open(org, |
| 4960 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
| 216 | 4961 perm < 0 ? 0666 : (perm & 0777))) < 0) |
| 7 | 4962 EMSG(_("E206: patchmode: can't touch empty original file")); |
| 4963 else | |
| 4964 close(empty_fd); | |
| 4965 } | |
| 4966 if (org != NULL) | |
| 4967 { | |
| 4968 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
| 4969 vim_free(org); | |
| 4970 } | |
| 4971 } | |
| 4972 | |
| 4973 /* | |
| 4974 * Remove the backup unless 'backup' option is set | |
| 4975 */ | |
| 4976 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
| 4977 EMSG(_("E207: Can't delete backup file")); | |
| 4978 | |
| 4979 #ifdef FEAT_SUN_WORKSHOP | |
| 4980 if (usingSunWorkShop) | |
| 4981 workshop_file_saved((char *) ffname); | |
| 4982 #endif | |
| 4983 | |
| 4984 goto nofail; | |
| 4985 | |
| 4986 /* | |
| 4987 * Finish up. We get here either after failure or success. | |
| 4988 */ | |
| 4989 fail: | |
| 4990 --no_wait_return; /* may wait for return now */ | |
| 4991 nofail: | |
| 4992 | |
| 4993 /* Done saving, we accept changed buffer warnings again */ | |
| 4994 buf->b_saving = FALSE; | |
| 4995 | |
| 4996 vim_free(backup); | |
| 4997 if (buffer != smallbuf) | |
| 4998 vim_free(buffer); | |
| 4999 #ifdef FEAT_MBYTE | |
| 5000 vim_free(fenc_tofree); | |
| 5001 vim_free(write_info.bw_conv_buf); | |
| 5002 # ifdef USE_ICONV | |
| 5003 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
| 5004 { | |
| 5005 iconv_close(write_info.bw_iconv_fd); | |
| 5006 write_info.bw_iconv_fd = (iconv_t)-1; | |
| 5007 } | |
| 5008 # endif | |
| 5009 #endif | |
| 5010 #ifdef HAVE_ACL | |
| 5011 mch_free_acl(acl); | |
| 5012 #endif | |
| 5013 | |
| 5014 if (errmsg != NULL) | |
| 5015 { | |
| 835 | 5016 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
| 7 | 5017 |
| 5018 attr = hl_attr(HLF_E); /* set highlight for error messages */ | |
| 5019 msg_add_fname(buf, | |
| 5020 #ifndef UNIX | |
| 5021 sfname | |
| 5022 #else | |
| 5023 fname | |
| 5024 #endif | |
| 5025 ); /* put file name in IObuff with quotes */ | |
| 5026 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
| 5027 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
| 5028 /* If the error message has the form "is ...", put the error number in | |
| 5029 * front of the file name. */ | |
| 5030 if (errnum != NULL) | |
| 5031 { | |
| 1620 | 5032 STRMOVE(IObuff + numlen, IObuff); |
| 7 | 5033 mch_memmove(IObuff, errnum, (size_t)numlen); |
| 5034 } | |
| 5035 STRCAT(IObuff, errmsg); | |
| 5036 emsg(IObuff); | |
| 1947 | 5037 if (errmsg_allocated) |
| 5038 vim_free(errmsg); | |
| 7 | 5039 |
| 5040 retval = FAIL; | |
| 5041 if (end == 0) | |
| 5042 { | |
| 5043 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"), | |
| 5044 attr | MSG_HIST); | |
| 5045 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"), | |
| 5046 attr | MSG_HIST); | |
| 5047 | |
| 5048 /* Update the timestamp to avoid an "overwrite changed file" | |
| 5049 * prompt when writing again. */ | |
| 5050 if (mch_stat((char *)fname, &st_old) >= 0) | |
| 5051 { | |
| 5052 buf_store_time(buf, &st_old, fname); | |
| 5053 buf->b_mtime_read = buf->b_mtime; | |
| 5054 } | |
| 5055 } | |
| 5056 } | |
| 5057 msg_scroll = msg_save; | |
| 5058 | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5059 #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
|
5060 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5061 * 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
|
5062 * file. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5063 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5064 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
|
5065 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5066 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
|
5067 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5068 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
|
5069 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
|
5070 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5071 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5072 |
| 7 | 5073 #ifdef FEAT_AUTOCMD |
| 5074 #ifdef FEAT_EVAL | |
| 5075 if (!should_abort(retval)) | |
| 5076 #else | |
| 5077 if (!got_int) | |
| 5078 #endif | |
| 5079 { | |
| 5080 aco_save_T aco; | |
| 5081 | |
| 3482 | 5082 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
| 5083 | |
| 7 | 5084 /* |
| 5085 * Apply POST autocommands. | |
| 5086 * Careful: The autocommands may call buf_write() recursively! | |
| 5087 */ | |
| 5088 aucmd_prepbuf(&aco, buf); | |
| 5089 | |
| 5090 if (append) | |
| 5091 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
| 5092 FALSE, curbuf, eap); | |
| 5093 else if (filtering) | |
| 5094 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
| 5095 FALSE, curbuf, eap); | |
| 5096 else if (reset_changed && whole) | |
| 5097 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
| 5098 FALSE, curbuf, eap); | |
| 5099 else | |
| 5100 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
| 5101 FALSE, curbuf, eap); | |
| 5102 | |
| 5103 /* restore curwin/curbuf and a few other things */ | |
| 5104 aucmd_restbuf(&aco); | |
| 5105 | |
| 5106 #ifdef FEAT_EVAL | |
| 5107 if (aborting()) /* autocmds may abort script processing */ | |
| 5108 retval = FALSE; | |
| 5109 #endif | |
| 5110 } | |
| 5111 #endif | |
| 5112 | |
| 5113 got_int |= prev_got_int; | |
| 5114 | |
| 5115 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */ | |
| 5116 /* Update machine specific information. */ | |
| 5117 mch_post_buffer_write(buf); | |
| 5118 #endif | |
| 5119 return retval; | |
| 5120 } | |
| 5121 | |
| 5122 /* | |
| 633 | 5123 * Set the name of the current buffer. Use when the buffer doesn't have a |
| 5124 * name and a ":r" or ":w" command with a file name is used. | |
| 5125 */ | |
| 5126 static int | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5127 set_rw_fname(char_u *fname, char_u *sfname) |
| 633 | 5128 { |
| 5129 #ifdef FEAT_AUTOCMD | |
| 1905 | 5130 buf_T *buf = curbuf; |
| 5131 | |
| 633 | 5132 /* It's like the unnamed buffer is deleted.... */ |
| 5133 if (curbuf->b_p_bl) | |
| 5134 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
| 5135 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
| 5136 # ifdef FEAT_EVAL | |
| 5137 if (aborting()) /* autocmds may abort script processing */ | |
| 5138 return FAIL; | |
| 5139 # endif | |
| 1905 | 5140 if (curbuf != buf) |
| 5141 { | |
| 5142 /* We are in another buffer now, don't do the renaming. */ | |
| 5143 EMSG(_(e_auchangedbuf)); | |
| 5144 return FAIL; | |
| 5145 } | |
| 633 | 5146 #endif |
| 5147 | |
| 5148 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
| 5149 curbuf->b_flags |= BF_NOTEDITED; | |
| 5150 | |
| 5151 #ifdef FEAT_AUTOCMD | |
| 5152 /* ....and a new named one is created */ | |
| 5153 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
| 5154 if (curbuf->b_p_bl) | |
| 5155 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
| 5156 # ifdef FEAT_EVAL | |
| 5157 if (aborting()) /* autocmds may abort script processing */ | |
| 5158 return FAIL; | |
| 5159 # endif | |
| 5160 | |
| 5161 /* Do filetype detection now if 'filetype' is empty. */ | |
| 5162 if (*curbuf->b_p_ft == NUL) | |
| 5163 { | |
| 819 | 5164 if (au_has_group((char_u *)"filetypedetect")) |
| 676 | 5165 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE); |
| 717 | 5166 do_modelines(0); |
| 633 | 5167 } |
| 5168 #endif | |
| 5169 | |
| 5170 return OK; | |
| 5171 } | |
| 5172 | |
| 5173 /* | |
| 7 | 5174 * Put file name into IObuff with quotes. |
| 5175 */ | |
| 33 | 5176 void |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5177 msg_add_fname(buf_T *buf, char_u *fname) |
| 7 | 5178 { |
| 5179 if (fname == NULL) | |
| 5180 fname = (char_u *)"-stdin-"; | |
| 5181 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
| 5182 IObuff[0] = '"'; | |
| 5183 STRCAT(IObuff, "\" "); | |
| 5184 } | |
| 5185 | |
| 5186 /* | |
| 5187 * Append message for text mode to IObuff. | |
| 5188 * Return TRUE if something appended. | |
| 5189 */ | |
| 5190 static int | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5191 msg_add_fileformat(int eol_type) |
| 7 | 5192 { |
| 5193 #ifndef USE_CRNL | |
| 5194 if (eol_type == EOL_DOS) | |
| 5195 { | |
| 5196 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
| 5197 return TRUE; | |
| 5198 } | |
| 5199 #endif | |
| 5200 #ifndef USE_CR | |
| 5201 if (eol_type == EOL_MAC) | |
| 5202 { | |
| 5203 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
| 5204 return TRUE; | |
| 5205 } | |
| 5206 #endif | |
| 5207 #if defined(USE_CRNL) || defined(USE_CR) | |
| 5208 if (eol_type == EOL_UNIX) | |
| 5209 { | |
| 5210 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
| 5211 return TRUE; | |
| 5212 } | |
| 5213 #endif | |
| 5214 return FALSE; | |
| 5215 } | |
| 5216 | |
| 5217 /* | |
| 5218 * Append line and character count to IObuff. | |
| 5219 */ | |
| 33 | 5220 void |
|
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parents:
7801
diff
changeset
|
5221 msg_add_lines( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5222 int insert_space, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5223 long lnum, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5224 off_t nchars) |
| 7 | 5225 { |
| 5226 char_u *p; | |
| 5227 | |
| 5228 p = IObuff + STRLEN(IObuff); | |
| 5229 | |
| 5230 if (insert_space) | |
| 5231 *p++ = ' '; | |
| 5232 if (shortmess(SHM_LINES)) | |
|
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commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
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parents:
8937
diff
changeset
|
5233 #ifdef LONG_LONG_OFF_T |
|
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diff
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|
5234 sprintf((char *)p, |
|
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commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8937
diff
changeset
|
5235 "%ldL, %lldC", lnum, (long long)nchars); |
|
2241
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Bram Moolenaar <bram@vim.org>
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diff
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|
5236 #else |
|
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parents:
8937
diff
changeset
|
5237 sprintf((char *)p, |
|
2261
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Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
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changeset
|
5238 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
|
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commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
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parents:
8937
diff
changeset
|
5239 "%ldL, %ldC", lnum, (long)nchars); |
|
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8937
diff
changeset
|
5240 #endif |
| 7 | 5241 else |
| 5242 { | |
| 5243 if (lnum == 1) | |
| 5244 STRCPY(p, _("1 line, ")); | |
| 5245 else | |
| 5246 sprintf((char *)p, _("%ld lines, "), lnum); | |
| 5247 p += STRLEN(p); | |
| 5248 if (nchars == 1) | |
| 5249 STRCPY(p, _("1 character")); | |
| 5250 else | |
|
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parents:
8937
diff
changeset
|
5251 #ifdef LONG_LONG_OFF_T |
|
2241
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parents:
2239
diff
changeset
|
5252 sprintf((char *)p, |
|
9068
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commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
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parents:
8937
diff
changeset
|
5253 _("%lld characters"), (long long)nchars); |
|
2241
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Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
5254 #else |
|
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commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8937
diff
changeset
|
5255 sprintf((char *)p, |
|
2261
06a7438b3ef7
Avoid compiler warnings on Mac 10.6.
Bram Moolenaar <bram@vim.org>
parents:
2258
diff
changeset
|
5256 /* Explicit typecast avoids warning on Mac OS X 10.6 */ |
|
9068
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8937
diff
changeset
|
5257 _("%ld characters"), (long)nchars); |
|
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
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parents:
8937
diff
changeset
|
5258 #endif |
| 7 | 5259 } |
| 5260 } | |
| 5261 | |
| 5262 /* | |
| 5263 * Append message for missing line separator to IObuff. | |
| 5264 */ | |
| 5265 static void | |
|
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parents:
7801
diff
changeset
|
5266 msg_add_eol(void) |
| 7 | 5267 { |
| 5268 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
| 5269 } | |
| 5270 | |
| 5271 /* | |
| 5272 * Check modification time of file, before writing to it. | |
| 5273 * The size isn't checked, because using a tool like "gzip" takes care of | |
| 5274 * using the same timestamp but can't set the size. | |
| 5275 */ | |
| 5276 static int | |
|
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
5277 check_mtime(buf_T *buf, struct stat *st) |
| 7 | 5278 { |
| 5279 if (buf->b_mtime_read != 0 | |
| 5280 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
| 5281 { | |
| 5282 msg_scroll = TRUE; /* don't overwrite messages here */ | |
| 5283 msg_silent = 0; /* must give this prompt */ | |
| 5284 /* don't use emsg() here, don't want to flush the buffers */ | |
| 5285 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"), | |
| 5286 hl_attr(HLF_E)); | |
| 5287 if (ask_yesno((char_u *)_("Do you really want to write to it"), | |
| 5288 TRUE) == 'n') | |
| 5289 return FAIL; | |
| 5290 msg_scroll = FALSE; /* always overwrite the file message now */ | |
| 5291 } | |
| 5292 return OK; | |
| 5293 } | |
| 5294 | |
| 5295 static int | |
|
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parents:
7801
diff
changeset
|
5296 time_differs(long t1, long t2) |
| 7 | 5297 { |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
5298 #if defined(__linux__) || defined(MSWIN) |
| 7 | 5299 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store |
| 5300 * the seconds. Since the roundoff is done when flushing the inode, the | |
| 5301 * time may change unexpectedly by one second!!! */ | |
| 5302 return (t1 - t2 > 1 || t2 - t1 > 1); | |
| 5303 #else | |
| 5304 return (t1 != t2); | |
| 5305 #endif | |
| 5306 } | |
| 5307 | |
| 5308 /* | |
| 5309 * Call write() to write a number of bytes to the file. | |
| 2664 | 5310 * Handles encryption and 'encoding' conversion. |
| 7 | 5311 * |
| 5312 * Return FAIL for failure, OK otherwise. | |
| 5313 */ | |
| 5314 static int | |
|
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5315 buf_write_bytes(struct bw_info *ip) |
| 7 | 5316 { |
| 5317 int wlen; | |
| 5318 char_u *buf = ip->bw_buf; /* data to write */ | |
| 5319 int len = ip->bw_len; /* length of data */ | |
| 5320 #ifdef HAS_BW_FLAGS | |
| 5321 int flags = ip->bw_flags; /* extra flags */ | |
| 5322 #endif | |
| 5323 | |
| 5324 #ifdef FEAT_MBYTE | |
| 5325 /* | |
| 5326 * Skip conversion when writing the crypt magic number or the BOM. | |
| 5327 */ | |
| 5328 if (!(flags & FIO_NOCONVERT)) | |
| 5329 { | |
| 5330 char_u *p; | |
| 5331 unsigned c; | |
| 5332 int n; | |
| 5333 | |
| 5334 if (flags & FIO_UTF8) | |
| 5335 { | |
| 5336 /* | |
| 5337 * Convert latin1 in the buffer to UTF-8 in the file. | |
| 5338 */ | |
| 5339 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5340 for (wlen = 0; wlen < len; ++wlen) | |
| 5341 p += utf_char2bytes(buf[wlen], p); | |
| 5342 buf = ip->bw_conv_buf; | |
| 5343 len = (int)(p - ip->bw_conv_buf); | |
| 5344 } | |
| 5345 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
| 5346 { | |
| 5347 /* | |
| 5348 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
| 5349 * Latin1 chars in the file. | |
| 5350 */ | |
| 5351 if (flags & FIO_LATIN1) | |
| 5352 p = buf; /* translate in-place (can only get shorter) */ | |
| 5353 else | |
| 5354 p = ip->bw_conv_buf; /* translate to buffer */ | |
| 5355 for (wlen = 0; wlen < len; wlen += n) | |
| 5356 { | |
| 5357 if (wlen == 0 && ip->bw_restlen != 0) | |
| 5358 { | |
| 5359 int l; | |
| 5360 | |
| 5361 /* Use remainder of previous call. Append the start of | |
| 5362 * buf[] to get a full sequence. Might still be too | |
| 5363 * short! */ | |
| 5364 l = CONV_RESTLEN - ip->bw_restlen; | |
| 5365 if (l > len) | |
| 5366 l = len; | |
| 5367 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
| 474 | 5368 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
| 7 | 5369 if (n > ip->bw_restlen + len) |
| 5370 { | |
| 5371 /* We have an incomplete byte sequence at the end to | |
| 5372 * be written. We can't convert it without the | |
| 5373 * remaining bytes. Keep them for the next call. */ | |
| 5374 if (ip->bw_restlen + len > CONV_RESTLEN) | |
| 5375 return FAIL; | |
| 5376 ip->bw_restlen += len; | |
| 5377 break; | |
| 5378 } | |
| 5379 if (n > 1) | |
| 5380 c = utf_ptr2char(ip->bw_rest); | |
| 5381 else | |
| 5382 c = ip->bw_rest[0]; | |
| 5383 if (n >= ip->bw_restlen) | |
| 5384 { | |
| 5385 n -= ip->bw_restlen; | |
| 5386 ip->bw_restlen = 0; | |
| 5387 } | |
| 5388 else | |
| 5389 { | |
| 5390 ip->bw_restlen -= n; | |
| 5391 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
| 5392 (size_t)ip->bw_restlen); | |
| 5393 n = 0; | |
| 5394 } | |
| 5395 } | |
| 5396 else | |
| 5397 { | |
| 474 | 5398 n = utf_ptr2len_len(buf + wlen, len - wlen); |
| 7 | 5399 if (n > len - wlen) |
| 5400 { | |
| 5401 /* We have an incomplete byte sequence at the end to | |
| 5402 * be written. We can't convert it without the | |
| 5403 * remaining bytes. Keep them for the next call. */ | |
| 5404 if (len - wlen > CONV_RESTLEN) | |
| 5405 return FAIL; | |
| 5406 ip->bw_restlen = len - wlen; | |
| 5407 mch_memmove(ip->bw_rest, buf + wlen, | |
| 5408 (size_t)ip->bw_restlen); | |
| 5409 break; | |
| 5410 } | |
| 5411 if (n > 1) | |
| 5412 c = utf_ptr2char(buf + wlen); | |
| 5413 else | |
| 5414 c = buf[wlen]; | |
| 5415 } | |
| 5416 | |
| 1947 | 5417 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
| 5418 { | |
| 5419 ip->bw_conv_error = TRUE; | |
| 5420 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
| 5421 } | |
| 5422 if (c == NL) | |
| 5423 ++ip->bw_start_lnum; | |
| 7 | 5424 } |
| 5425 if (flags & FIO_LATIN1) | |
| 5426 len = (int)(p - buf); | |
| 5427 else | |
| 5428 { | |
| 5429 buf = ip->bw_conv_buf; | |
| 5430 len = (int)(p - ip->bw_conv_buf); | |
| 5431 } | |
| 5432 } | |
| 5433 | |
| 5434 # ifdef WIN3264 | |
| 5435 else if (flags & FIO_CODEPAGE) | |
| 5436 { | |
| 5437 /* | |
| 5438 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
| 5439 * codepage. | |
| 5440 */ | |
| 5441 char_u *from; | |
| 5442 size_t fromlen; | |
| 5443 char_u *to; | |
| 5444 int u8c; | |
| 5445 BOOL bad = FALSE; | |
| 5446 int needed; | |
| 5447 | |
| 5448 if (ip->bw_restlen > 0) | |
| 5449 { | |
| 5450 /* Need to concatenate the remainder of the previous call and | |
| 5451 * the bytes of the current call. Use the end of the | |
| 5452 * conversion buffer for this. */ | |
| 5453 fromlen = len + ip->bw_restlen; | |
| 5454 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5455 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5456 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5457 } | |
| 5458 else | |
| 5459 { | |
| 5460 from = buf; | |
| 5461 fromlen = len; | |
| 5462 } | |
| 5463 | |
| 5464 to = ip->bw_conv_buf; | |
| 5465 if (enc_utf8) | |
| 5466 { | |
| 5467 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
| 5468 * The buffer has been allocated to be big enough. */ | |
| 5469 while (fromlen > 0) | |
| 5470 { | |
| 835 | 5471 n = (int)utf_ptr2len_len(from, (int)fromlen); |
| 7 | 5472 if (n > (int)fromlen) /* incomplete byte sequence */ |
| 5473 break; | |
| 5474 u8c = utf_ptr2char(from); | |
| 5475 *to++ = (u8c & 0xff); | |
| 5476 *to++ = (u8c >> 8); | |
| 5477 fromlen -= n; | |
| 5478 from += n; | |
| 5479 } | |
| 5480 | |
| 5481 /* Copy remainder to ip->bw_rest[] to be used for the next | |
| 5482 * call. */ | |
| 5483 if (fromlen > CONV_RESTLEN) | |
| 5484 { | |
| 5485 /* weird overlong sequence */ | |
| 5486 ip->bw_conv_error = TRUE; | |
| 5487 return FAIL; | |
| 5488 } | |
| 5489 mch_memmove(ip->bw_rest, from, fromlen); | |
| 835 | 5490 ip->bw_restlen = (int)fromlen; |
| 7 | 5491 } |
| 5492 else | |
| 5493 { | |
| 5494 /* Convert from enc_codepage to UCS-2, to the start of the | |
| 5495 * buffer. The buffer has been allocated to be big enough. */ | |
| 5496 ip->bw_restlen = 0; | |
| 5497 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5498 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
| 7 | 5499 NULL, 0); |
| 5500 if (needed == 0) | |
| 5501 { | |
| 5502 /* When conversion fails there may be a trailing byte. */ | |
| 5503 needed = MultiByteToWideChar(enc_codepage, | |
| 1142 | 5504 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
| 7 | 5505 NULL, 0); |
| 5506 if (needed == 0) | |
| 5507 { | |
| 5508 /* Conversion doesn't work. */ | |
| 5509 ip->bw_conv_error = TRUE; | |
| 5510 return FAIL; | |
| 5511 } | |
| 5512 /* Save the trailing byte for the next call. */ | |
| 5513 ip->bw_rest[0] = from[fromlen - 1]; | |
| 5514 ip->bw_restlen = 1; | |
| 5515 } | |
| 5516 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
| 1142 | 5517 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
| 7 | 5518 (LPWSTR)to, needed); |
| 5519 if (needed == 0) | |
| 5520 { | |
| 5521 /* Safety check: Conversion doesn't work. */ | |
| 5522 ip->bw_conv_error = TRUE; | |
| 5523 return FAIL; | |
| 5524 } | |
| 5525 to += needed * 2; | |
| 5526 } | |
| 5527 | |
| 5528 fromlen = to - ip->bw_conv_buf; | |
| 5529 buf = to; | |
| 5530 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5531 if (FIO_GET_CP(flags) == CP_UTF8) | |
| 5532 { | |
| 5533 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
| 5534 * conversion buffer. Fails when out of space. */ | |
| 5535 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
| 5536 { | |
| 5537 u8c = *from++; | |
| 5538 u8c += (*from++ << 8); | |
| 5539 to += utf_char2bytes(u8c, to); | |
| 5540 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
| 5541 { | |
| 5542 ip->bw_conv_error = TRUE; | |
| 5543 return FAIL; | |
| 5544 } | |
| 5545 } | |
| 835 | 5546 len = (int)(to - buf); |
| 7 | 5547 } |
| 5548 else | |
| 5549 #endif | |
| 5550 { | |
| 5551 /* Convert from UCS-2 to the codepage, using the remainder of | |
| 5552 * the conversion buffer. If the conversion uses the default | |
| 5553 * character "0", the data doesn't fit in this encoding, so | |
| 5554 * fail. */ | |
| 5555 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
| 5556 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
| 1142 | 5557 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
| 5558 &bad); | |
| 7 | 5559 if (bad) |
| 5560 { | |
| 5561 ip->bw_conv_error = TRUE; | |
| 5562 return FAIL; | |
| 5563 } | |
| 5564 } | |
| 5565 } | |
| 5566 # endif | |
| 5567 | |
| 765 | 5568 # ifdef MACOS_CONVERT |
| 7 | 5569 else if (flags & FIO_MACROMAN) |
| 5570 { | |
| 5571 /* | |
| 5572 * Convert UTF-8 or latin1 to Apple MacRoman. | |
| 5573 */ | |
| 5574 char_u *from; | |
| 5575 size_t fromlen; | |
| 5576 | |
| 5577 if (ip->bw_restlen > 0) | |
| 5578 { | |
| 5579 /* Need to concatenate the remainder of the previous call and | |
| 5580 * the bytes of the current call. Use the end of the | |
| 5581 * conversion buffer for this. */ | |
| 5582 fromlen = len + ip->bw_restlen; | |
| 5583 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
| 5584 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5585 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
| 5586 } | |
| 5587 else | |
| 5588 { | |
| 5589 from = buf; | |
| 5590 fromlen = len; | |
| 5591 } | |
| 5592 | |
| 18 | 5593 if (enc2macroman(from, fromlen, |
| 5594 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
| 5595 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
| 7 | 5596 { |
| 5597 ip->bw_conv_error = TRUE; | |
| 5598 return FAIL; | |
| 5599 } | |
| 5600 buf = ip->bw_conv_buf; | |
| 5601 } | |
| 5602 # endif | |
| 5603 | |
| 5604 # ifdef USE_ICONV | |
| 5605 if (ip->bw_iconv_fd != (iconv_t)-1) | |
| 5606 { | |
| 5607 const char *from; | |
| 5608 size_t fromlen; | |
| 5609 char *to; | |
| 5610 size_t tolen; | |
| 5611 | |
| 5612 /* Convert with iconv(). */ | |
| 5613 if (ip->bw_restlen > 0) | |
| 5614 { | |
| 1836 | 5615 char *fp; |
| 5616 | |
| 7 | 5617 /* Need to concatenate the remainder of the previous call and |
| 5618 * the bytes of the current call. Use the end of the | |
| 5619 * conversion buffer for this. */ | |
| 5620 fromlen = len + ip->bw_restlen; | |
| 1836 | 5621 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
| 5622 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
| 5623 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
| 5624 from = fp; | |
| 7 | 5625 tolen = ip->bw_conv_buflen - fromlen; |
| 5626 } | |
| 5627 else | |
| 5628 { | |
| 5629 from = (const char *)buf; | |
| 5630 fromlen = len; | |
| 5631 tolen = ip->bw_conv_buflen; | |
| 5632 } | |
| 5633 to = (char *)ip->bw_conv_buf; | |
| 5634 | |
| 5635 if (ip->bw_first) | |
| 5636 { | |
| 5637 size_t save_len = tolen; | |
| 5638 | |
| 5639 /* output the initial shift state sequence */ | |
| 5640 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
| 5641 | |
| 5642 /* There is a bug in iconv() on Linux (which appears to be | |
| 5643 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
| 5644 */ | |
| 5645 if (to == NULL) | |
| 5646 { | |
| 5647 to = (char *)ip->bw_conv_buf; | |
| 5648 tolen = save_len; | |
| 5649 } | |
| 5650 ip->bw_first = FALSE; | |
| 5651 } | |
| 5652 | |
| 5653 /* | |
| 5654 * If iconv() has an error or there is not enough room, fail. | |
| 5655 */ | |
| 5656 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
| 5657 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
| 5658 || fromlen > CONV_RESTLEN) | |
| 5659 { | |
| 5660 ip->bw_conv_error = TRUE; | |
| 5661 return FAIL; | |
| 5662 } | |
| 5663 | |
| 5664 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
| 5665 if (fromlen > 0) | |
| 5666 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
| 5667 ip->bw_restlen = (int)fromlen; | |
| 5668 | |
| 5669 buf = ip->bw_conv_buf; | |
| 5670 len = (int)((char_u *)to - ip->bw_conv_buf); | |
| 5671 } | |
| 5672 # endif | |
| 5673 } | |
| 5674 #endif /* FEAT_MBYTE */ | |
| 5675 | |
| 5676 #ifdef FEAT_CRYPT | |
| 6122 | 5677 if (flags & FIO_ENCRYPTED) |
| 5678 { | |
| 5679 /* Encrypt the data. Do it in-place if possible, otherwise use an | |
| 5680 * allocated buffer. */ | |
| 5681 if (crypt_works_inplace(ip->bw_buffer->b_cryptstate)) | |
| 5682 { | |
| 5683 crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len); | |
| 5684 } | |
| 5685 else | |
| 5686 { | |
| 5687 char_u *outbuf; | |
| 5688 | |
| 5689 len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf); | |
| 5690 if (len == 0) | |
| 5691 return OK; /* Crypt layer is buffering, will flush later. */ | |
| 5692 wlen = write_eintr(ip->bw_fd, outbuf, len); | |
| 5693 vim_free(outbuf); | |
| 5694 return (wlen < len) ? FAIL : OK; | |
| 5695 } | |
| 5696 } | |
| 7 | 5697 #endif |
| 5698 | |
| 2664 | 5699 wlen = write_eintr(ip->bw_fd, buf, len); |
| 5700 return (wlen < len) ? FAIL : OK; | |
| 7 | 5701 } |
| 5702 | |
| 5703 #ifdef FEAT_MBYTE | |
| 5704 /* | |
| 5705 * Convert a Unicode character to bytes. | |
| 1947 | 5706 * Return TRUE for an error, FALSE when it's OK. |
| 7 | 5707 */ |
| 5708 static int | |
|
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f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5709 ucs2bytes( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5710 unsigned c, /* in: character */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5711 char_u **pp, /* in/out: pointer to result */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5712 int flags) /* FIO_ flags */ |
| 7 | 5713 { |
| 5714 char_u *p = *pp; | |
| 5715 int error = FALSE; | |
| 5716 int cc; | |
| 5717 | |
| 5718 | |
| 5719 if (flags & FIO_UCS4) | |
| 5720 { | |
| 5721 if (flags & FIO_ENDIAN_L) | |
| 5722 { | |
| 5723 *p++ = c; | |
| 5724 *p++ = (c >> 8); | |
| 5725 *p++ = (c >> 16); | |
| 5726 *p++ = (c >> 24); | |
| 5727 } | |
| 5728 else | |
| 5729 { | |
| 5730 *p++ = (c >> 24); | |
| 5731 *p++ = (c >> 16); | |
| 5732 *p++ = (c >> 8); | |
| 5733 *p++ = c; | |
| 5734 } | |
| 5735 } | |
| 5736 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
| 5737 { | |
| 5738 if (c >= 0x10000) | |
| 5739 { | |
| 5740 if (flags & FIO_UTF16) | |
| 5741 { | |
| 5742 /* Make two words, ten bits of the character in each. First | |
| 5743 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
| 5744 c -= 0x10000; | |
| 5745 if (c >= 0x100000) | |
| 5746 error = TRUE; | |
| 5747 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
| 5748 if (flags & FIO_ENDIAN_L) | |
| 5749 { | |
| 5750 *p++ = cc; | |
| 5751 *p++ = ((unsigned)cc >> 8); | |
| 5752 } | |
| 5753 else | |
| 5754 { | |
| 5755 *p++ = ((unsigned)cc >> 8); | |
| 5756 *p++ = cc; | |
| 5757 } | |
| 5758 c = (c & 0x3ff) + 0xdc00; | |
| 5759 } | |
| 5760 else | |
| 5761 error = TRUE; | |
| 5762 } | |
| 5763 if (flags & FIO_ENDIAN_L) | |
| 5764 { | |
| 5765 *p++ = c; | |
| 5766 *p++ = (c >> 8); | |
| 5767 } | |
| 5768 else | |
| 5769 { | |
| 5770 *p++ = (c >> 8); | |
| 5771 *p++ = c; | |
| 5772 } | |
| 5773 } | |
| 5774 else /* Latin1 */ | |
| 5775 { | |
| 5776 if (c >= 0x100) | |
| 5777 { | |
| 5778 error = TRUE; | |
| 5779 *p++ = 0xBF; | |
| 5780 } | |
| 5781 else | |
| 5782 *p++ = c; | |
| 5783 } | |
| 5784 | |
| 5785 *pp = p; | |
| 5786 return error; | |
| 5787 } | |
| 5788 | |
| 5789 /* | |
| 1948 | 5790 * Return TRUE if file encoding "fenc" requires conversion from or to |
| 5791 * 'encoding'. | |
| 7 | 5792 */ |
| 5793 static int | |
|
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5794 need_conversion(char_u *fenc) |
| 7 | 5795 { |
| 1948 | 5796 int same_encoding; |
| 5797 int enc_flags; | |
| 5798 int fenc_flags; | |
| 5799 | |
| 5800 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
|
2217
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Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5801 { |
| 1948 | 5802 same_encoding = TRUE; |
|
2217
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Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5803 fenc_flags = 0; |
|
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5804 } |
| 1948 | 5805 else |
| 5806 { | |
| 5807 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
| 5808 * "ucs-4be", etc. */ | |
| 5809 enc_flags = get_fio_flags(p_enc); | |
| 5810 fenc_flags = get_fio_flags(fenc); | |
| 5811 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
| 5812 } | |
| 5813 if (same_encoding) | |
| 5814 { | |
| 5815 /* Specified encoding matches with 'encoding'. This requires | |
| 5816 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
| 5817 return enc_unicode != 0; | |
| 5818 } | |
| 5819 | |
| 5820 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
| 5821 * Unicode encoding and the file is UTF-8. */ | |
| 5822 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
| 7 | 5823 } |
| 5824 | |
| 5825 /* | |
| 5826 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
| 5827 * internal conversion. | |
| 5828 * if "ptr" is an empty string, use 'encoding'. | |
| 5829 */ | |
| 5830 static int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5831 get_fio_flags(char_u *ptr) |
| 7 | 5832 { |
| 5833 int prop; | |
| 5834 | |
| 5835 if (*ptr == NUL) | |
| 5836 ptr = p_enc; | |
| 5837 | |
| 5838 prop = enc_canon_props(ptr); | |
| 5839 if (prop & ENC_UNICODE) | |
| 5840 { | |
| 5841 if (prop & ENC_2BYTE) | |
| 5842 { | |
| 5843 if (prop & ENC_ENDIAN_L) | |
| 5844 return FIO_UCS2 | FIO_ENDIAN_L; | |
| 5845 return FIO_UCS2; | |
| 5846 } | |
| 5847 if (prop & ENC_4BYTE) | |
| 5848 { | |
| 5849 if (prop & ENC_ENDIAN_L) | |
| 5850 return FIO_UCS4 | FIO_ENDIAN_L; | |
| 5851 return FIO_UCS4; | |
| 5852 } | |
| 5853 if (prop & ENC_2WORD) | |
| 5854 { | |
| 5855 if (prop & ENC_ENDIAN_L) | |
| 5856 return FIO_UTF16 | FIO_ENDIAN_L; | |
| 5857 return FIO_UTF16; | |
| 5858 } | |
| 5859 return FIO_UTF8; | |
| 5860 } | |
| 5861 if (prop & ENC_LATIN1) | |
| 5862 return FIO_LATIN1; | |
| 5863 /* must be ENC_DBCS, requires iconv() */ | |
| 5864 return 0; | |
| 5865 } | |
| 5866 | |
| 5867 #ifdef WIN3264 | |
| 5868 /* | |
| 5869 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
| 5870 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
| 5871 * Used for conversion between 'encoding' and 'fileencoding'. | |
| 5872 */ | |
| 5873 static int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5874 get_win_fio_flags(char_u *ptr) |
| 7 | 5875 { |
| 5876 int cp; | |
| 5877 | |
| 5878 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
| 5879 if (!enc_utf8 && enc_codepage <= 0) | |
| 5880 return 0; | |
| 5881 | |
| 5882 cp = encname2codepage(ptr); | |
| 5883 if (cp == 0) | |
| 5884 { | |
| 5885 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
| 5886 if (STRCMP(ptr, "utf-8") == 0) | |
| 5887 cp = CP_UTF8; | |
| 5888 else | |
| 5889 # endif | |
| 5890 return 0; | |
| 5891 } | |
| 5892 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
| 5893 } | |
| 5894 #endif | |
| 5895 | |
| 5896 #ifdef MACOS_X | |
| 5897 /* | |
| 5898 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
| 5899 * needed for the internal conversion to/from utf-8 or latin1. | |
| 5900 */ | |
| 5901 static int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5902 get_mac_fio_flags(char_u *ptr) |
| 7 | 5903 { |
| 5904 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
| 5905 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
| 5906 return FIO_MACROMAN; | |
| 5907 return 0; | |
| 5908 } | |
| 5909 #endif | |
| 5910 | |
| 5911 /* | |
| 5912 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
| 5913 * "size" must be at least 2. | |
| 5914 * Return the name of the encoding and set "*lenp" to the length. | |
| 5915 * Returns NULL when no BOM found. | |
| 5916 */ | |
| 5917 static char_u * | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5918 check_for_bom( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5919 char_u *p, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5920 long size, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5921 int *lenp, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5922 int flags) |
| 7 | 5923 { |
| 5924 char *name = NULL; | |
| 5925 int len = 2; | |
| 5926 | |
| 5927 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
| 1688 | 5928 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
| 7 | 5929 { |
| 5930 name = "utf-8"; /* EF BB BF */ | |
| 5931 len = 3; | |
| 5932 } | |
| 5933 else if (p[0] == 0xff && p[1] == 0xfe) | |
| 5934 { | |
| 5935 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
| 5936 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
| 5937 { | |
| 5938 name = "ucs-4le"; /* FF FE 00 00 */ | |
| 5939 len = 4; | |
| 5940 } | |
| 1735 | 5941 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
| 7 | 5942 name = "ucs-2le"; /* FF FE */ |
| 1735 | 5943 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
| 5944 /* utf-16le is preferred, it also works for ucs-2le text */ | |
| 7 | 5945 name = "utf-16le"; /* FF FE */ |
| 5946 } | |
| 5947 else if (p[0] == 0xfe && p[1] == 0xff | |
| 5948 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
| 5949 { | |
| 1547 | 5950 /* Default to utf-16, it works also for ucs-2 text. */ |
| 5951 if (flags == FIO_UCS2) | |
| 5952 name = "ucs-2"; /* FE FF */ | |
| 5953 else | |
| 7 | 5954 name = "utf-16"; /* FE FF */ |
| 5955 } | |
| 5956 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
| 5957 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
| 5958 { | |
| 5959 name = "ucs-4"; /* 00 00 FE FF */ | |
| 5960 len = 4; | |
| 5961 } | |
| 5962 | |
| 5963 *lenp = len; | |
| 5964 return (char_u *)name; | |
| 5965 } | |
| 5966 | |
| 5967 /* | |
| 5968 * Generate a BOM in "buf[4]" for encoding "name". | |
| 5969 * Return the length of the BOM (zero when no BOM). | |
| 5970 */ | |
| 5971 static int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5972 make_bom(char_u *buf, char_u *name) |
| 7 | 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 * | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6004 shorten_fname1(char_u *full_path) |
| 1411 | 6005 { |
| 2770 | 6006 char_u *dirname; |
| 1411 | 6007 char_u *p = full_path; |
| 6008 | |
| 2770 | 6009 dirname = alloc(MAXPATHL); |
| 6010 if (dirname == NULL) | |
| 6011 return full_path; | |
| 1411 | 6012 if (mch_dirname(dirname, MAXPATHL) == OK) |
| 6013 { | |
| 6014 p = shorten_fname(full_path, dirname); | |
| 6015 if (p == NULL || *p == NUL) | |
| 6016 p = full_path; | |
| 6017 } | |
| 2770 | 6018 vim_free(dirname); |
| 1411 | 6019 return p; |
| 6020 } | |
| 1418 | 6021 #endif |
| 1411 | 6022 |
| 6023 /* | |
| 6024 * Try to find a shortname by comparing the fullname with the current | |
| 6025 * directory. | |
| 7 | 6026 * Returns NULL if not shorter name possible, pointer into "full_path" |
| 6027 * otherwise. | |
| 6028 */ | |
| 6029 char_u * | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6030 shorten_fname(char_u *full_path, char_u *dir_name) |
| 7 | 6031 { |
| 6032 int len; | |
| 6033 char_u *p; | |
| 6034 | |
| 6035 if (full_path == NULL) | |
| 6036 return NULL; | |
| 6037 len = (int)STRLEN(dir_name); | |
| 6038 if (fnamencmp(dir_name, full_path, len) == 0) | |
| 6039 { | |
| 6040 p = full_path + len; | |
|
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Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
6041 #if defined(MSWIN) |
| 7 | 6042 /* |
|
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parents:
8080
diff
changeset
|
6043 * MSWIN: when a file is in the root directory, dir_name will end in a |
| 7 | 6044 * slash, since C: by itself does not define a specific dir. In this |
| 6045 * case p may already be correct. <negri> | |
| 6046 */ | |
| 6047 if (!((len > 2) && (*(p - 2) == ':'))) | |
| 6048 #endif | |
| 6049 { | |
| 6050 if (vim_ispathsep(*p)) | |
| 6051 ++p; | |
| 6052 #ifndef VMS /* the path separator is always part of the path */ | |
| 6053 else | |
| 6054 p = NULL; | |
| 6055 #endif | |
| 6056 } | |
| 6057 } | |
|
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Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
6058 #if defined(MSWIN) |
| 7 | 6059 /* |
| 6060 * When using a file in the current drive, remove the drive name: | |
| 6061 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
| 6062 * a floppy from "A:\dir" to "B:\dir". | |
| 6063 */ | |
| 6064 else if (len > 3 | |
| 6065 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
| 6066 && full_path[1] == ':' | |
| 6067 && vim_ispathsep(full_path[2])) | |
| 6068 p = full_path + 2; | |
| 6069 #endif | |
| 6070 else | |
| 6071 p = NULL; | |
| 6072 return p; | |
| 6073 } | |
| 6074 | |
| 6075 /* | |
| 6076 * Shorten filenames for all buffers. | |
| 6077 * When "force" is TRUE: Use full path from now on for files currently being | |
| 6078 * edited, both for file name and swap file name. Try to shorten the file | |
| 6079 * names a bit, if safe to do so. | |
| 6080 * When "force" is FALSE: Only try to shorten absolute file names. | |
| 6081 * For buffers that have buftype "nofile" or "scratch": never change the file | |
| 6082 * name. | |
| 6083 */ | |
| 6084 void | |
|
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6085 shorten_fnames(int force) |
| 7 | 6086 { |
| 6087 char_u dirname[MAXPATHL]; | |
| 6088 buf_T *buf; | |
| 6089 char_u *p; | |
| 6090 | |
| 6091 mch_dirname(dirname, MAXPATHL); | |
| 6092 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 6093 { | |
| 6094 if (buf->b_fname != NULL | |
| 6095 #ifdef FEAT_QUICKFIX | |
| 6096 && !bt_nofile(buf) | |
| 6097 #endif | |
| 6098 && !path_with_url(buf->b_fname) | |
| 6099 && (force | |
| 6100 || buf->b_sfname == NULL | |
| 6101 || mch_isFullName(buf->b_sfname))) | |
| 6102 { | |
| 6103 vim_free(buf->b_sfname); | |
| 6104 buf->b_sfname = NULL; | |
| 6105 p = shorten_fname(buf->b_ffname, dirname); | |
| 6106 if (p != NULL) | |
| 6107 { | |
| 6108 buf->b_sfname = vim_strsave(p); | |
| 6109 buf->b_fname = buf->b_sfname; | |
| 6110 } | |
| 6111 if (p == NULL || buf->b_fname == NULL) | |
| 6112 buf->b_fname = buf->b_ffname; | |
| 9 | 6113 } |
| 6114 | |
| 6115 /* Always make the swap file name a full path, a "nofile" buffer may | |
| 6116 * also have a swap file. */ | |
| 6117 mf_fullname(buf->b_ml.ml_mfp); | |
| 7 | 6118 } |
| 6119 #ifdef FEAT_WINDOWS | |
| 6120 status_redraw_all(); | |
| 672 | 6121 redraw_tabline = TRUE; |
| 7 | 6122 #endif |
| 6123 } | |
| 6124 | |
| 6125 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
| 6126 || defined(FEAT_GUI_MSWIN) \ | |
| 6127 || defined(FEAT_GUI_MAC) \ | |
| 6128 || defined(PROTO) | |
| 6129 /* | |
| 6130 * Shorten all filenames in "fnames[count]" by current directory. | |
| 6131 */ | |
| 6132 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6133 shorten_filenames(char_u **fnames, int count) |
| 7 | 6134 { |
| 6135 int i; | |
| 6136 char_u dirname[MAXPATHL]; | |
| 6137 char_u *p; | |
| 6138 | |
| 6139 if (fnames == NULL || count < 1) | |
| 6140 return; | |
| 6141 mch_dirname(dirname, sizeof(dirname)); | |
| 6142 for (i = 0; i < count; ++i) | |
| 6143 { | |
| 6144 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
| 6145 { | |
| 6146 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
| 6147 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
| 6148 * "p" first then free fnames[i]. */ | |
| 6149 p = vim_strsave(p); | |
| 6150 vim_free(fnames[i]); | |
| 6151 fnames[i] = p; | |
| 6152 } | |
| 6153 } | |
| 6154 } | |
| 6155 #endif | |
| 6156 | |
| 6157 /* | |
| 1651 | 6158 * add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
| 7 | 6159 * fo_o_h.ext for MSDOS or when shortname option set. |
| 6160 * | |
| 6161 * Assumed that fname is a valid name found in the filesystem we assure that | |
| 6162 * the return value is a different name and ends in 'ext'. | |
| 6163 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
| 6164 * characters otherwise. | |
| 6165 * Space for the returned name is allocated, must be freed later. | |
| 6166 * Returns NULL when out of memory. | |
| 6167 */ | |
| 6168 char_u * | |
|
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parents:
7801
diff
changeset
|
6169 modname( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6170 char_u *fname, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6171 char_u *ext, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6172 int prepend_dot) /* may prepend a '.' to file name */ |
| 7 | 6173 { |
|
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parents:
8080
diff
changeset
|
6174 return buf_modname((curbuf->b_p_sn || curbuf->b_shortname), |
| 7 | 6175 fname, ext, prepend_dot); |
| 6176 } | |
| 6177 | |
| 6178 char_u * | |
|
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parents:
7801
diff
changeset
|
6179 buf_modname( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6180 int shortname, /* use 8.3 file name */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6181 char_u *fname, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6182 char_u *ext, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6183 int prepend_dot) /* may prepend a '.' to file name */ |
| 7 | 6184 { |
| 6185 char_u *retval; | |
| 6186 char_u *s; | |
| 6187 char_u *e; | |
| 6188 char_u *ptr; | |
| 6189 int fnamelen, extlen; | |
| 6190 | |
| 6191 extlen = (int)STRLEN(ext); | |
| 6192 | |
| 6193 /* | |
| 6194 * If there is no file name we must get the name of the current directory | |
| 6195 * (we need the full path in case :cd is used). | |
| 6196 */ | |
| 6197 if (fname == NULL || *fname == NUL) | |
| 6198 { | |
| 6199 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
| 6200 if (retval == NULL) | |
| 6201 return NULL; | |
| 6202 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
| 6203 (fnamelen = (int)STRLEN(retval)) == 0) | |
| 6204 { | |
| 6205 vim_free(retval); | |
| 6206 return NULL; | |
| 6207 } | |
| 39 | 6208 if (!after_pathsep(retval, retval + fnamelen)) |
| 7 | 6209 { |
| 6210 retval[fnamelen++] = PATHSEP; | |
| 6211 retval[fnamelen] = NUL; | |
| 6212 } | |
| 6213 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
| 6214 } | |
| 6215 else | |
| 6216 { | |
| 6217 fnamelen = (int)STRLEN(fname); | |
| 6218 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
| 6219 if (retval == NULL) | |
| 6220 return NULL; | |
| 6221 STRCPY(retval, fname); | |
| 6222 #ifdef VMS | |
| 6223 vms_remove_version(retval); /* we do not need versions here */ | |
| 6224 #endif | |
| 6225 } | |
| 6226 | |
| 6227 /* | |
| 6228 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
| 6229 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
| 6230 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
| 6231 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
| 6232 */ | |
| 391 | 6233 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr)) |
| 7 | 6234 { |
| 6235 if (*ext == '.' | |
| 2823 | 6236 #ifdef USE_LONG_FNAME |
| 7 | 6237 && (!USE_LONG_FNAME || shortname) |
| 2823 | 6238 #else |
| 7 | 6239 && shortname |
| 2823 | 6240 #endif |
| 7 | 6241 ) |
| 6242 if (*ptr == '.') /* replace '.' by '_' */ | |
| 6243 *ptr = '_'; | |
| 6244 if (vim_ispathsep(*ptr)) | |
| 391 | 6245 { |
| 6246 ++ptr; | |
| 7 | 6247 break; |
| 391 | 6248 } |
| 6249 } | |
| 7 | 6250 |
| 6251 /* the file name has at most BASENAMELEN characters. */ | |
| 6252 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
| 6253 ptr[BASENAMELEN] = '\0'; | |
| 6254 | |
| 6255 s = ptr + STRLEN(ptr); | |
| 6256 | |
| 6257 /* | |
| 6258 * For 8.3 file names we may have to reduce the length. | |
| 6259 */ | |
| 6260 #ifdef USE_LONG_FNAME | |
| 6261 if (!USE_LONG_FNAME || shortname) | |
| 6262 #else | |
| 6263 if (shortname) | |
| 6264 #endif | |
| 6265 { | |
| 6266 /* | |
| 6267 * If there is no file name, or the file name ends in '/', and the | |
| 6268 * extension starts with '.', put a '_' before the dot, because just | |
| 6269 * ".ext" is invalid. | |
| 6270 */ | |
| 6271 if (fname == NULL || *fname == NUL | |
| 6272 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
| 6273 { | |
| 6274 if (*ext == '.') | |
| 6275 *s++ = '_'; | |
| 6276 } | |
| 6277 /* | |
| 6278 * If the extension starts with '.', truncate the base name at 8 | |
| 6279 * characters | |
| 6280 */ | |
| 6281 else if (*ext == '.') | |
| 6282 { | |
| 1877 | 6283 if ((size_t)(s - ptr) > (size_t)8) |
| 7 | 6284 { |
| 6285 s = ptr + 8; | |
| 6286 *s = '\0'; | |
| 6287 } | |
| 6288 } | |
| 6289 /* | |
| 6290 * If the extension doesn't start with '.', and the file name | |
| 6291 * doesn't have an extension yet, append a '.' | |
| 6292 */ | |
| 6293 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
| 6294 *s++ = '.'; | |
| 6295 /* | |
| 6296 * If the extension doesn't start with '.', and there already is an | |
| 1201 | 6297 * extension, it may need to be truncated |
| 7 | 6298 */ |
| 6299 else if ((int)STRLEN(e) + extlen > 4) | |
| 6300 s = e + 4 - extlen; | |
| 6301 } | |
|
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1886f2863437
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Christian Brabandt <cb@256bit.org>
parents:
7320
diff
changeset
|
6302 #if defined(USE_LONG_FNAME) || defined(WIN3264) |
| 7 | 6303 /* |
| 6304 * If there is no file name, and the extension starts with '.', put a | |
| 6305 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
| 6306 * FAT partition, and on HPFS it doesn't matter. | |
| 6307 */ | |
| 6308 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
| 6309 *s++ = '_'; | |
| 6310 #endif | |
| 6311 | |
| 6312 /* | |
| 1651 | 6313 * Append the extension. |
| 7 | 6314 * ext can start with '.' and cannot exceed 3 more characters. |
| 6315 */ | |
| 6316 STRCPY(s, ext); | |
| 6317 | |
| 6318 /* | |
| 6319 * Prepend the dot. | |
| 6320 */ | |
| 2823 | 6321 if (prepend_dot && !shortname && *(e = gettail(retval)) != '.' |
| 7 | 6322 #ifdef USE_LONG_FNAME |
| 6323 && USE_LONG_FNAME | |
| 6324 #endif | |
| 6325 ) | |
| 6326 { | |
| 1620 | 6327 STRMOVE(e + 1, e); |
| 7 | 6328 *e = '.'; |
| 6329 } | |
| 6330 | |
| 6331 /* | |
| 6332 * Check that, after appending the extension, the file name is really | |
| 6333 * different. | |
| 6334 */ | |
| 6335 if (fname != NULL && STRCMP(fname, retval) == 0) | |
| 6336 { | |
| 6337 /* we search for a character that can be replaced by '_' */ | |
| 6338 while (--s >= ptr) | |
| 6339 { | |
| 6340 if (*s != '_') | |
| 6341 { | |
| 6342 *s = '_'; | |
| 6343 break; | |
| 6344 } | |
| 6345 } | |
| 6346 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
| 6347 *ptr = 'v'; | |
| 6348 } | |
| 6349 return retval; | |
| 6350 } | |
| 6351 | |
| 6352 /* | |
| 6353 * Like fgets(), but if the file line is too long, it is truncated and the | |
| 6354 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
| 6355 */ | |
| 6356 int | |
|
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6357 vim_fgets(char_u *buf, int size, FILE *fp) |
| 7 | 6358 { |
| 6359 char *eof; | |
| 6360 #define FGETS_SIZE 200 | |
| 6361 char tbuf[FGETS_SIZE]; | |
| 6362 | |
| 6363 buf[size - 2] = NUL; | |
| 6364 #ifdef USE_CR | |
| 6365 eof = fgets_cr((char *)buf, size, fp); | |
| 6366 #else | |
| 6367 eof = fgets((char *)buf, size, fp); | |
| 6368 #endif | |
| 6369 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
| 6370 { | |
| 6371 buf[size - 1] = NUL; /* Truncate the line */ | |
| 6372 | |
| 6373 /* Now throw away the rest of the line: */ | |
| 6374 do | |
| 6375 { | |
| 6376 tbuf[FGETS_SIZE - 2] = NUL; | |
| 6377 #ifdef USE_CR | |
| 1757 | 6378 ignoredp = fgets_cr((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6379 #else |
| 1757 | 6380 ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
| 7 | 6381 #endif |
| 6382 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); | |
| 6383 } | |
| 6384 return (eof == NULL); | |
| 6385 } | |
| 6386 | |
| 6387 #if defined(USE_CR) || defined(PROTO) | |
| 6388 /* | |
| 6389 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF. | |
| 6390 * Returns TRUE for end-of-file. | |
| 6391 * Only used for the Mac, because it's much slower than vim_fgets(). | |
| 6392 */ | |
| 6393 int | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6394 tag_fgets(char_u *buf, int size, FILE *fp) |
| 7 | 6395 { |
| 6396 int i = 0; | |
| 6397 int c; | |
| 6398 int eof = FALSE; | |
| 6399 | |
| 6400 for (;;) | |
| 6401 { | |
| 6402 c = fgetc(fp); | |
| 6403 if (c == EOF) | |
| 6404 { | |
| 6405 eof = TRUE; | |
| 6406 break; | |
| 6407 } | |
| 6408 if (c == '\r') | |
| 6409 { | |
| 6410 /* Always store a NL for end-of-line. */ | |
| 6411 if (i < size - 1) | |
| 6412 buf[i++] = '\n'; | |
| 6413 c = fgetc(fp); | |
| 6414 if (c != '\n') /* Macintosh format: single CR. */ | |
| 6415 ungetc(c, fp); | |
| 6416 break; | |
| 6417 } | |
| 6418 if (i < size - 1) | |
| 6419 buf[i++] = c; | |
| 6420 if (c == '\n') | |
| 6421 break; | |
| 6422 } | |
| 6423 buf[i] = NUL; | |
| 6424 return eof; | |
| 6425 } | |
| 6426 #endif | |
| 6427 | |
| 6428 /* | |
| 6429 * rename() only works if both files are on the same file system, this | |
| 6430 * function will (attempts to?) copy the file across if rename fails -- webb | |
| 6431 * Return -1 for failure, 0 for success. | |
| 6432 */ | |
| 6433 int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6434 vim_rename(char_u *from, char_u *to) |
| 7 | 6435 { |
| 6436 int fd_in; | |
| 6437 int fd_out; | |
| 6438 int n; | |
| 6439 char *errmsg = NULL; | |
| 6440 char *buffer; | |
| 6441 #ifdef AMIGA | |
| 6442 BPTR flock; | |
| 6443 #endif | |
| 6444 struct stat st; | |
| 194 | 6445 long perm; |
| 199 | 6446 #ifdef HAVE_ACL |
| 6447 vim_acl_T acl; /* ACL from original file */ | |
| 6448 #endif | |
| 1779 | 6449 int use_tmp_file = FALSE; |
| 7 | 6450 |
| 6451 /* | |
| 1779 | 6452 * When the names are identical, there is nothing to do. When they refer |
| 6453 * to the same file (ignoring case and slash/backslash differences) but | |
| 6454 * the file name differs we need to go through a temp file. | |
| 7 | 6455 */ |
| 6456 if (fnamecmp(from, to) == 0) | |
| 1779 | 6457 { |
| 4242 | 6458 if (p_fic && STRCMP(gettail(from), gettail(to)) != 0) |
| 1779 | 6459 use_tmp_file = TRUE; |
| 6460 else | |
| 6461 return 0; | |
| 6462 } | |
| 7 | 6463 |
| 6464 /* | |
| 6465 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
| 6466 */ | |
| 6467 if (mch_stat((char *)from, &st) < 0) | |
| 6468 return -1; | |
| 6469 | |
| 1778 | 6470 #ifdef UNIX |
| 6471 { | |
| 6472 struct stat st_to; | |
| 6473 | |
| 6474 /* It's possible for the source and destination to be the same file. | |
| 6475 * This happens when "from" and "to" differ in case and are on a FAT32 | |
| 6476 * filesystem. In that case go through a temp file name. */ | |
| 6477 if (mch_stat((char *)to, &st_to) >= 0 | |
| 6478 && st.st_dev == st_to.st_dev | |
| 6479 && st.st_ino == st_to.st_ino) | |
| 1779 | 6480 use_tmp_file = TRUE; |
| 6481 } | |
| 6482 #endif | |
| 2793 | 6483 #ifdef WIN3264 |
| 6484 { | |
| 6485 BY_HANDLE_FILE_INFORMATION info1, info2; | |
| 6486 | |
| 6487 /* It's possible for the source and destination to be the same file. | |
| 6488 * In that case go through a temp file name. This makes rename("foo", | |
| 6489 * "./foo") a no-op (in a complicated way). */ | |
| 6490 if (win32_fileinfo(from, &info1) == FILEINFO_OK | |
| 6491 && win32_fileinfo(to, &info2) == FILEINFO_OK | |
| 6492 && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber | |
| 6493 && info1.nFileIndexHigh == info2.nFileIndexHigh | |
| 6494 && info1.nFileIndexLow == info2.nFileIndexLow) | |
| 6495 use_tmp_file = TRUE; | |
| 6496 } | |
| 6497 #endif | |
| 1779 | 6498 |
| 6499 if (use_tmp_file) | |
| 6500 { | |
| 6501 char tempname[MAXPATHL + 1]; | |
| 6502 | |
| 6503 /* | |
| 6504 * Find a name that doesn't exist and is in the same directory. | |
| 6505 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
| 6506 */ | |
| 6507 if (STRLEN(from) >= MAXPATHL - 5) | |
| 6508 return -1; | |
| 6509 STRCPY(tempname, from); | |
| 6510 for (n = 123; n < 99999; ++n) | |
| 6511 { | |
| 6512 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
| 6513 if (mch_stat(tempname, &st) < 0) | |
| 6514 { | |
| 6515 if (mch_rename((char *)from, tempname) == 0) | |
| 1778 | 6516 { |
| 1779 | 6517 if (mch_rename(tempname, (char *)to) == 0) |
| 6518 return 0; | |
| 6519 /* Strange, the second step failed. Try moving the | |
| 6520 * file back and return failure. */ | |
| 6521 mch_rename(tempname, (char *)from); | |
| 1778 | 6522 return -1; |
| 6523 } | |
| 1779 | 6524 /* If it fails for one temp name it will most likely fail |
| 6525 * for any temp name, give up. */ | |
| 6526 return -1; | |
| 6527 } | |
| 6528 } | |
| 6529 return -1; | |
| 1778 | 6530 } |
| 6531 | |
| 7 | 6532 /* |
| 6533 * Delete the "to" file, this is required on some systems to make the | |
| 6534 * mch_rename() work, on other systems it makes sure that we don't have | |
| 6535 * two files when the mch_rename() fails. | |
| 6536 */ | |
| 6537 | |
| 6538 #ifdef AMIGA | |
| 6539 /* | |
| 6540 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
| 6541 * that the name of the "to" file is the same as the "from" file, even | |
| 1201 | 6542 * though the names are different. To avoid the chance of accidentally |
| 7 | 6543 * deleting the "from" file (horror!) we lock it during the remove. |
| 6544 * | |
| 6545 * When used for making a backup before writing the file: This should not | |
| 6546 * happen with ":w", because startscript() should detect this problem and | |
| 6547 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
| 6548 * name. This problem does exist with ":w filename", but then the | |
| 6549 * original file will be somewhere else so the backup isn't really | |
| 6550 * important. If autoscripting is off the rename may fail. | |
| 6551 */ | |
| 6552 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
| 6553 #endif | |
| 6554 mch_remove(to); | |
| 6555 #ifdef AMIGA | |
| 6556 if (flock) | |
| 6557 UnLock(flock); | |
| 6558 #endif | |
| 6559 | |
| 6560 /* | |
| 6561 * First try a normal rename, return if it works. | |
| 6562 */ | |
| 6563 if (mch_rename((char *)from, (char *)to) == 0) | |
| 6564 return 0; | |
| 6565 | |
| 6566 /* | |
| 6567 * Rename() failed, try copying the file. | |
| 6568 */ | |
| 194 | 6569 perm = mch_getperm(from); |
| 199 | 6570 #ifdef HAVE_ACL |
| 6571 /* For systems that support ACL: get the ACL from the original file. */ | |
| 6572 acl = mch_get_acl(from); | |
| 6573 #endif | |
| 7 | 6574 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
| 6575 if (fd_in == -1) | |
| 1651 | 6576 { |
| 6577 #ifdef HAVE_ACL | |
| 6578 mch_free_acl(acl); | |
| 6579 #endif | |
| 7 | 6580 return -1; |
| 1651 | 6581 } |
| 194 | 6582 |
| 6583 /* Create the new file with same permissions as the original. */ | |
| 557 | 6584 fd_out = mch_open((char *)to, |
| 6585 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
| 7 | 6586 if (fd_out == -1) |
| 6587 { | |
| 6588 close(fd_in); | |
| 1651 | 6589 #ifdef HAVE_ACL |
| 6590 mch_free_acl(acl); | |
| 6591 #endif | |
| 7 | 6592 return -1; |
| 6593 } | |
| 6594 | |
| 6595 buffer = (char *)alloc(BUFSIZE); | |
| 6596 if (buffer == NULL) | |
| 6597 { | |
| 1651 | 6598 close(fd_out); |
| 7 | 6599 close(fd_in); |
| 1651 | 6600 #ifdef HAVE_ACL |
| 6601 mch_free_acl(acl); | |
| 6602 #endif | |
| 7 | 6603 return -1; |
| 6604 } | |
| 6605 | |
| 2664 | 6606 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
| 6607 if (write_eintr(fd_out, buffer, n) != n) | |
| 7 | 6608 { |
| 6609 errmsg = _("E208: Error writing to \"%s\""); | |
| 6610 break; | |
| 6611 } | |
| 6612 | |
| 6613 vim_free(buffer); | |
| 6614 close(fd_in); | |
| 6615 if (close(fd_out) < 0) | |
| 6616 errmsg = _("E209: Error closing \"%s\""); | |
| 6617 if (n < 0) | |
| 6618 { | |
| 6619 errmsg = _("E210: Error reading \"%s\""); | |
| 6620 to = from; | |
| 6621 } | |
| 1201 | 6622 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
| 194 | 6623 mch_setperm(to, perm); |
| 570 | 6624 #endif |
| 199 | 6625 #ifdef HAVE_ACL |
| 6626 mch_set_acl(to, acl); | |
| 1651 | 6627 mch_free_acl(acl); |
| 199 | 6628 #endif |
| 5788 | 6629 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
| 5483 | 6630 mch_copy_sec(from, to); |
| 5479 | 6631 #endif |
| 7 | 6632 if (errmsg != NULL) |
| 6633 { | |
| 6634 EMSG2(errmsg, to); | |
| 6635 return -1; | |
| 6636 } | |
| 6637 mch_remove(from); | |
| 6638 return 0; | |
| 6639 } | |
| 6640 | |
| 6641 static int already_warned = FALSE; | |
| 6642 | |
| 6643 /* | |
| 6644 * Check if any not hidden buffer has been changed. | |
| 6645 * Postpone the check if there are characters in the stuff buffer, a global | |
| 6646 * command is being executed, a mapping is being executed or an autocommand is | |
| 6647 * busy. | |
| 6648 * Returns TRUE if some message was written (screen should be redrawn and | |
| 6649 * cursor positioned). | |
| 6650 */ | |
| 6651 int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6652 check_timestamps( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6653 int focus) /* called for GUI focus event */ |
| 7 | 6654 { |
| 6655 buf_T *buf; | |
| 6656 int didit = 0; | |
| 6657 int n; | |
| 6658 | |
| 6659 /* Don't check timestamps while system() or another low-level function may | |
| 6660 * cause us to lose and gain focus. */ | |
| 6661 if (no_check_timestamps > 0) | |
| 6662 return FALSE; | |
| 6663 | |
| 6664 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
| 6665 * event and we would keep on checking if the file is steadily growing. | |
| 6666 * Do check again after typing something. */ | |
| 6667 if (focus && did_check_timestamps) | |
| 6668 { | |
| 6669 need_check_timestamps = TRUE; | |
| 6670 return FALSE; | |
| 6671 } | |
| 6672 | |
| 6673 if (!stuff_empty() || global_busy || !typebuf_typed() | |
| 6674 #ifdef FEAT_AUTOCMD | |
| 1834 | 6675 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0 |
| 7 | 6676 #endif |
| 6677 ) | |
| 6678 need_check_timestamps = TRUE; /* check later */ | |
| 6679 else | |
| 6680 { | |
| 6681 ++no_wait_return; | |
| 6682 did_check_timestamps = TRUE; | |
| 6683 already_warned = FALSE; | |
| 6684 for (buf = firstbuf; buf != NULL; ) | |
| 6685 { | |
| 6686 /* Only check buffers in a window. */ | |
| 6687 if (buf->b_nwindows > 0) | |
| 6688 { | |
| 6689 n = buf_check_timestamp(buf, focus); | |
| 6690 if (didit < n) | |
| 6691 didit = n; | |
| 6692 if (n > 0 && !buf_valid(buf)) | |
| 6693 { | |
| 6694 /* Autocommands have removed the buffer, start at the | |
| 6695 * first one again. */ | |
| 6696 buf = firstbuf; | |
| 6697 continue; | |
| 6698 } | |
| 6699 } | |
| 6700 buf = buf->b_next; | |
| 6701 } | |
| 6702 --no_wait_return; | |
| 6703 need_check_timestamps = FALSE; | |
| 6704 if (need_wait_return && didit == 2) | |
| 6705 { | |
| 6706 /* make sure msg isn't overwritten */ | |
| 6707 msg_puts((char_u *)"\n"); | |
| 6708 out_flush(); | |
| 6709 } | |
| 6710 } | |
| 6711 return didit; | |
| 6712 } | |
| 6713 | |
| 6714 /* | |
| 6715 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
| 6716 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
| 6717 * empty. | |
| 6718 */ | |
| 6719 static int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6720 move_lines(buf_T *frombuf, buf_T *tobuf) |
| 7 | 6721 { |
| 6722 buf_T *tbuf = curbuf; | |
| 6723 int retval = OK; | |
| 6724 linenr_T lnum; | |
| 6725 char_u *p; | |
| 6726 | |
| 6727 /* Copy the lines in "frombuf" to "tobuf". */ | |
| 6728 curbuf = tobuf; | |
| 6729 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
| 6730 { | |
| 6731 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
| 6732 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
| 6733 { | |
| 6734 vim_free(p); | |
| 6735 retval = FAIL; | |
| 6736 break; | |
| 6737 } | |
| 6738 vim_free(p); | |
| 6739 } | |
| 6740 | |
| 6741 /* Delete all the lines in "frombuf". */ | |
| 6742 if (retval != FAIL) | |
| 6743 { | |
| 6744 curbuf = frombuf; | |
| 1055 | 6745 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
| 6746 if (ml_delete(lnum, FALSE) == FAIL) | |
| 7 | 6747 { |
| 6748 /* Oops! We could try putting back the saved lines, but that | |
| 6749 * might fail again... */ | |
| 6750 retval = FAIL; | |
| 6751 break; | |
| 6752 } | |
| 6753 } | |
| 6754 | |
| 6755 curbuf = tbuf; | |
| 6756 return retval; | |
| 6757 } | |
| 6758 | |
| 6759 /* | |
| 6760 * Check if buffer "buf" has been changed. | |
| 6761 * Also check if the file for a new buffer unexpectedly appeared. | |
| 6762 * return 1 if a changed buffer was found. | |
| 6763 * return 2 if a message has been displayed. | |
| 6764 * return 0 otherwise. | |
| 6765 */ | |
| 6766 int | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6767 buf_check_timestamp( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6768 buf_T *buf, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6769 int focus UNUSED) /* called for GUI focus event */ |
| 7 | 6770 { |
| 6771 struct stat st; | |
| 6772 int stat_res; | |
| 6773 int retval = 0; | |
| 6774 char_u *path; | |
| 6775 char_u *tbuf; | |
| 6776 char *mesg = NULL; | |
| 188 | 6777 char *mesg2 = ""; |
| 7 | 6778 int helpmesg = FALSE; |
| 6779 int reload = FALSE; | |
| 6780 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6781 int can_reload = FALSE; | |
| 6782 #endif | |
|
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
6783 off_t orig_size = buf->b_orig_size; |
| 7 | 6784 int orig_mode = buf->b_orig_mode; |
| 6785 #ifdef FEAT_GUI | |
| 6786 int save_mouse_correct = need_mouse_correct; | |
| 6787 #endif | |
| 6788 #ifdef FEAT_AUTOCMD | |
| 6789 static int busy = FALSE; | |
| 179 | 6790 int n; |
| 6791 char_u *s; | |
| 6792 #endif | |
| 6793 char *reason; | |
| 7 | 6794 |
| 6795 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
| 6796 * set, we are in the middle of a save or being called recursively: ignore | |
| 6797 * this buffer. */ | |
| 6798 if (buf->b_ffname == NULL | |
| 6799 || buf->b_ml.ml_mfp == NULL | |
| 6800 #if defined(FEAT_QUICKFIX) | |
| 6801 || *buf->b_p_bt != NUL | |
| 6802 #endif | |
| 6803 || buf->b_saving | |
| 6804 #ifdef FEAT_AUTOCMD | |
| 6805 || busy | |
| 6806 #endif | |
| 33 | 6807 #ifdef FEAT_NETBEANS_INTG |
| 6808 || isNetbeansBuffer(buf) | |
| 6809 #endif | |
| 7 | 6810 ) |
| 6811 return 0; | |
| 6812 | |
| 6813 if ( !(buf->b_flags & BF_NOTEDITED) | |
| 6814 && buf->b_mtime != 0 | |
| 6815 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
| 6816 || time_differs((long)st.st_mtime, buf->b_mtime) | |
| 5863 | 6817 || st.st_size != buf->b_orig_size |
| 7 | 6818 #ifdef HAVE_ST_MODE |
| 6819 || (int)st.st_mode != buf->b_orig_mode | |
| 6820 #else | |
| 6821 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
| 6822 #endif | |
| 6823 )) | |
| 6824 { | |
| 6825 retval = 1; | |
| 6826 | |
| 628 | 6827 /* set b_mtime to stop further warnings (e.g., when executing |
| 6828 * FileChangedShell autocmd) */ | |
| 7 | 6829 if (stat_res < 0) |
| 6830 { | |
| 6831 buf->b_mtime = 0; | |
| 6832 buf->b_orig_size = 0; | |
| 6833 buf->b_orig_mode = 0; | |
| 6834 } | |
| 6835 else | |
| 6836 buf_store_time(buf, &st, buf->b_ffname); | |
| 6837 | |
| 6838 /* Don't do anything for a directory. Might contain the file | |
| 6839 * explorer. */ | |
| 6840 if (mch_isdir(buf->b_fname)) | |
| 6841 ; | |
| 6842 | |
| 6843 /* | |
| 6844 * If 'autoread' is set, the buffer has no changes and the file still | |
| 6845 * exists, reload the buffer. Use the buffer-local option value if it | |
| 6846 * was set, the global option value otherwise. | |
| 6847 */ | |
| 6848 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
| 6849 && !bufIsChanged(buf) && stat_res >= 0) | |
| 6850 reload = TRUE; | |
| 6851 else | |
| 6852 { | |
| 179 | 6853 if (stat_res < 0) |
| 6854 reason = "deleted"; | |
| 6855 else if (bufIsChanged(buf)) | |
| 6856 reason = "conflict"; | |
| 6857 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) | |
| 6858 reason = "changed"; | |
| 6859 else if (orig_mode != buf->b_orig_mode) | |
| 6860 reason = "mode"; | |
| 6861 else | |
| 6862 reason = "time"; | |
| 6863 | |
| 7 | 6864 #ifdef FEAT_AUTOCMD |
| 6865 /* | |
| 6866 * Only give the warning if there are no FileChangedShell | |
| 6867 * autocommands. | |
| 6868 * Avoid being called recursively by setting "busy". | |
| 6869 */ | |
| 6870 busy = TRUE; | |
| 532 | 6871 # ifdef FEAT_EVAL |
| 179 | 6872 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
| 6873 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
| 532 | 6874 # endif |
| 1834 | 6875 ++allbuf_lock; |
| 7 | 6876 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
| 6877 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 1834 | 6878 --allbuf_lock; |
| 7 | 6879 busy = FALSE; |
| 6880 if (n) | |
| 6881 { | |
| 6882 if (!buf_valid(buf)) | |
| 6883 EMSG(_("E246: FileChangedShell autocommand deleted buffer")); | |
| 532 | 6884 # ifdef FEAT_EVAL |
| 179 | 6885 s = get_vim_var_str(VV_FCS_CHOICE); |
| 6886 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
| 6887 reload = TRUE; | |
| 6888 else if (STRCMP(s, "ask") == 0) | |
| 6889 n = FALSE; | |
| 6890 else | |
| 532 | 6891 # endif |
| 179 | 6892 return 2; |
| 7 | 6893 } |
| 179 | 6894 if (!n) |
| 7 | 6895 #endif |
| 6896 { | |
| 179 | 6897 if (*reason == 'd') |
| 6898 mesg = _("E211: File \"%s\" no longer available"); | |
| 7 | 6899 else |
| 6900 { | |
| 6901 helpmesg = TRUE; | |
| 6902 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6903 can_reload = TRUE; | |
| 6904 #endif | |
| 6905 /* | |
| 6906 * Check if the file contents really changed to avoid | |
| 6907 * giving a warning when only the timestamp was set (e.g., | |
| 6908 * checked out of CVS). Always warn when the buffer was | |
| 6909 * changed. | |
| 6910 */ | |
| 179 | 6911 if (reason[2] == 'n') |
| 6912 { | |
| 7 | 6913 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
| 179 | 6914 mesg2 = _("See \":help W12\" for more info."); |
| 6915 } | |
| 6916 else if (reason[1] == 'h') | |
| 6917 { | |
| 7 | 6918 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
| 179 | 6919 mesg2 = _("See \":help W11\" for more info."); |
| 6920 } | |
| 6921 else if (*reason == 'm') | |
| 6922 { | |
| 7 | 6923 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
| 179 | 6924 mesg2 = _("See \":help W16\" for more info."); |
| 6925 } | |
| 1913 | 6926 else |
| 6927 /* Only timestamp changed, store it to avoid a warning | |
| 6928 * in check_mtime() later. */ | |
| 6929 buf->b_mtime_read = buf->b_mtime; | |
| 7 | 6930 } |
| 6931 } | |
| 6932 } | |
| 6933 | |
| 6934 } | |
| 6935 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
| 6936 && vim_fexists(buf->b_ffname)) | |
| 6937 { | |
| 6938 retval = 1; | |
| 6939 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
| 6940 buf->b_flags |= BF_NEW_W; | |
| 6941 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
| 6942 can_reload = TRUE; | |
| 6943 #endif | |
| 6944 } | |
| 6945 | |
| 6946 if (mesg != NULL) | |
| 6947 { | |
| 6948 path = home_replace_save(buf, buf->b_fname); | |
| 6949 if (path != NULL) | |
| 6950 { | |
| 179 | 6951 if (!helpmesg) |
| 7 | 6952 mesg2 = ""; |
| 6953 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg) | |
| 6954 + STRLEN(mesg2) + 2)); | |
| 6955 sprintf((char *)tbuf, mesg, path); | |
| 1848 | 6956 #ifdef FEAT_EVAL |
| 6957 /* Set warningmsg here, before the unimportant and output-specific | |
| 6958 * mesg2 has been appended. */ | |
| 6959 set_vim_var_string(VV_WARNINGMSG, tbuf, -1); | |
| 6960 #endif | |
| 7 | 6961 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
| 6962 if (can_reload) | |
| 6963 { | |
| 6964 if (*mesg2 != NUL) | |
| 6965 { | |
| 6966 STRCAT(tbuf, "\n"); | |
| 6967 STRCAT(tbuf, mesg2); | |
| 6968 } | |
| 6969 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf, | |
| 2684 | 6970 (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2) |
| 7 | 6971 reload = TRUE; |
| 6972 } | |
| 6973 else | |
| 6974 #endif | |
| 6975 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
| 6976 { | |
| 6977 if (*mesg2 != NUL) | |
| 6978 { | |
| 6979 STRCAT(tbuf, "; "); | |
| 6980 STRCAT(tbuf, mesg2); | |
| 6981 } | |
| 6982 EMSG(tbuf); | |
| 6983 retval = 2; | |
| 6984 } | |
| 6985 else | |
| 6986 { | |
| 8 | 6987 # ifdef FEAT_AUTOCMD |
| 7 | 6988 if (!autocmd_busy) |
| 8 | 6989 # endif |
| 7 | 6990 { |
| 6991 msg_start(); | |
| 6992 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST); | |
| 6993 if (*mesg2 != NUL) | |
| 6994 msg_puts_attr((char_u *)mesg2, | |
| 6995 hl_attr(HLF_W) + MSG_HIST); | |
| 6996 msg_clr_eos(); | |
| 6997 (void)msg_end(); | |
| 6998 if (emsg_silent == 0) | |
| 6999 { | |
| 7000 out_flush(); | |
| 8 | 7001 # ifdef FEAT_GUI |
| 7 | 7002 if (!focus) |
| 8 | 7003 # endif |
| 7 | 7004 /* give the user some time to think about it */ |
| 7005 ui_delay(1000L, TRUE); | |
| 7006 | |
| 7007 /* don't redraw and erase the message */ | |
| 7008 redraw_cmdline = FALSE; | |
| 7009 } | |
| 7010 } | |
| 7011 already_warned = TRUE; | |
| 7012 } | |
| 7013 | |
| 7014 vim_free(path); | |
| 7015 vim_free(tbuf); | |
| 7016 } | |
| 7017 } | |
| 7018 | |
| 7019 if (reload) | |
| 3776 | 7020 { |
| 311 | 7021 /* Reload the buffer. */ |
| 628 | 7022 buf_reload(buf, orig_mode); |
| 3776 | 7023 #ifdef FEAT_PERSISTENT_UNDO |
| 7024 if (buf->b_p_udf && buf->b_ffname != NULL) | |
| 7025 { | |
| 7026 char_u hash[UNDO_HASH_SIZE]; | |
| 7027 buf_T *save_curbuf = curbuf; | |
| 7028 | |
| 7029 /* Any existing undo file is unusable, write it now. */ | |
| 7030 curbuf = buf; | |
| 7031 u_compute_hash(hash); | |
| 7032 u_write_undo(NULL, FALSE, buf, hash); | |
| 7033 curbuf = save_curbuf; | |
| 7034 } | |
| 7035 #endif | |
| 7036 } | |
| 7 | 7037 |
| 765 | 7038 #ifdef FEAT_AUTOCMD |
| 1620 | 7039 /* Trigger FileChangedShell when the file was changed in any way. */ |
| 7040 if (buf_valid(buf) && retval != 0) | |
| 765 | 7041 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
| 7042 buf->b_fname, buf->b_fname, FALSE, buf); | |
| 7043 #endif | |
| 7 | 7044 #ifdef FEAT_GUI |
| 7045 /* restore this in case an autocommand has set it; it would break | |
| 7046 * 'mousefocus' */ | |
| 7047 need_mouse_correct = save_mouse_correct; | |
| 7048 #endif | |
| 7049 | |
| 7050 return retval; | |
| 7051 } | |
| 7052 | |
| 311 | 7053 /* |
| 7054 * Reload a buffer that is already loaded. | |
| 7055 * Used when the file was changed outside of Vim. | |
| 628 | 7056 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
| 7057 * buf->b_orig_mode may have been reset already. | |
| 311 | 7058 */ |
| 7059 void | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7060 buf_reload(buf_T *buf, int orig_mode) |
| 311 | 7061 { |
| 7062 exarg_T ea; | |
| 7063 pos_T old_cursor; | |
| 7064 linenr_T old_topline; | |
| 7065 int old_ro = buf->b_p_ro; | |
| 7066 buf_T *savebuf; | |
| 7067 int saved = OK; | |
| 7068 aco_save_T aco; | |
|
2394
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Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7069 int flags = READ_NEW; |
| 311 | 7070 |
| 7071 /* set curwin/curbuf for "buf" and save some things */ | |
| 7072 aucmd_prepbuf(&aco, buf); | |
| 7073 | |
| 7074 /* We only want to read the text from the file, not reset the syntax | |
| 7075 * highlighting, clear marks, diff status, etc. Force the fileformat | |
| 7076 * and encoding to be the same. */ | |
| 7077 if (prep_exarg(&ea, buf) == OK) | |
| 7078 { | |
| 7079 old_cursor = curwin->w_cursor; | |
| 7080 old_topline = curwin->w_topline; | |
| 7081 | |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7082 if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7083 { |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7084 /* Save all the text, so that the reload can be undone. |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7085 * Sync first so that this is a separate undo-able action. */ |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7086 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
|
7087 saved = u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, TRUE); |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7088 flags |= READ_KEEP_UNDO; |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7089 } |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7090 |
| 311 | 7091 /* |
| 7092 * To behave like when a new file is edited (matters for | |
| 7093 * BufReadPost autocommands) we first need to delete the current | |
| 7094 * buffer contents. But if reading the file fails we should keep | |
| 7095 * the old contents. Can't use memory only, the file might be | |
| 7096 * too big. Use a hidden buffer to move the buffer contents to. | |
| 7097 */ | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7098 if (bufempty() || saved == FAIL) |
| 311 | 7099 savebuf = NULL; |
| 7100 else | |
| 7101 { | |
| 7102 /* Allocate a buffer without putting it in the buffer list. */ | |
| 7103 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
| 837 | 7104 if (savebuf != NULL && buf == curbuf) |
| 311 | 7105 { |
| 7106 /* Open the memline. */ | |
| 7107 curbuf = savebuf; | |
| 7108 curwin->w_buffer = savebuf; | |
| 625 | 7109 saved = ml_open(curbuf); |
| 311 | 7110 curbuf = buf; |
| 7111 curwin->w_buffer = buf; | |
| 7112 } | |
| 837 | 7113 if (savebuf == NULL || saved == FAIL || buf != curbuf |
| 311 | 7114 || move_lines(buf, savebuf) == FAIL) |
| 7115 { | |
| 7116 EMSG2(_("E462: Could not prepare for reloading \"%s\""), | |
| 7117 buf->b_fname); | |
| 7118 saved = FAIL; | |
| 7119 } | |
| 7120 } | |
| 7121 | |
| 7122 if (saved == OK) | |
| 7123 { | |
| 7124 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
| 7125 #ifdef FEAT_AUTOCMD | |
| 7126 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
| 7127 #endif | |
| 7128 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
| 7129 (linenr_T)0, | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7130 (linenr_T)MAXLNUM, &ea, flags) == FAIL) |
| 311 | 7131 { |
| 7132 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) | |
| 7133 if (!aborting()) | |
| 7134 #endif | |
| 7135 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname); | |
| 837 | 7136 if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) |
| 311 | 7137 { |
| 7138 /* Put the text back from the save buffer. First | |
| 7139 * delete any lines that readfile() added. */ | |
| 7140 while (!bufempty()) | |
| 837 | 7141 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
| 311 | 7142 break; |
| 7143 (void)move_lines(savebuf, buf); | |
| 7144 } | |
| 7145 } | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7146 else if (buf == curbuf) /* "buf" still valid */ |
| 311 | 7147 { |
| 7148 /* Mark the buffer as unmodified and free undo info. */ | |
| 7149 unchanged(buf, TRUE); | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7150 if ((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
|
7151 { |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7152 u_blockfree(buf); |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7153 u_clearall(buf); |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7154 } |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7155 else |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7156 { |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7157 /* Mark all undo states as changed. */ |
|
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7158 u_unchanged(curbuf); |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7159 } |
| 311 | 7160 } |
| 7161 } | |
| 7162 vim_free(ea.cmd); | |
| 7163 | |
| 837 | 7164 if (savebuf != NULL && buf_valid(savebuf)) |
| 311 | 7165 wipe_buffer(savebuf, FALSE); |
| 7166 | |
| 7167 #ifdef FEAT_DIFF | |
| 7168 /* Invalidate diff info if necessary. */ | |
| 837 | 7169 diff_invalidate(curbuf); |
| 311 | 7170 #endif |
| 7171 | |
| 7172 /* Restore the topline and cursor position and check it (lines may | |
| 7173 * have been removed). */ | |
| 7174 if (old_topline > curbuf->b_ml.ml_line_count) | |
| 7175 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 7176 else | |
| 7177 curwin->w_topline = old_topline; | |
| 7178 curwin->w_cursor = old_cursor; | |
| 7179 check_cursor(); | |
| 7180 update_topline(); | |
| 7181 #ifdef FEAT_AUTOCMD | |
| 7182 keep_filetype = FALSE; | |
| 7183 #endif | |
| 7184 #ifdef FEAT_FOLDING | |
| 7185 { | |
| 1863 | 7186 win_T *wp; |
| 7187 tabpage_T *tp; | |
| 311 | 7188 |
| 7189 /* Update folds unless they are defined manually. */ | |
| 1863 | 7190 FOR_ALL_TAB_WINDOWS(tp, wp) |
| 311 | 7191 if (wp->w_buffer == curwin->w_buffer |
| 7192 && !foldmethodIsManual(wp)) | |
| 7193 foldUpdateAll(wp); | |
| 7194 } | |
| 7195 #endif | |
| 7196 /* If the mode didn't change and 'readonly' was set, keep the old | |
| 7197 * value; the user probably used the ":view" command. But don't | |
| 7198 * reset it, might have had a read error. */ | |
| 7199 if (orig_mode == curbuf->b_orig_mode) | |
| 7200 curbuf->b_p_ro |= old_ro; | |
| 4071 | 7201 |
| 7202 /* Modelines must override settings done by autocommands. */ | |
| 7203 do_modelines(0); | |
| 311 | 7204 } |
| 7205 | |
| 7206 /* restore curwin/curbuf and a few other things */ | |
| 7207 aucmd_restbuf(&aco); | |
| 7208 /* Careful: autocommands may have made "buf" invalid! */ | |
| 7209 } | |
| 7210 | |
| 7 | 7211 void |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7212 buf_store_time(buf_T *buf, struct stat *st, char_u *fname UNUSED) |
| 7 | 7213 { |
| 7214 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
|
7215 buf->b_orig_size = st->st_size; |
| 7 | 7216 #ifdef HAVE_ST_MODE |
| 7217 buf->b_orig_mode = (int)st->st_mode; | |
| 7218 #else | |
| 7219 buf->b_orig_mode = mch_getperm(fname); | |
| 7220 #endif | |
| 7221 } | |
| 7222 | |
| 7223 /* | |
| 7224 * Adjust the line with missing eol, used for the next write. | |
| 7225 * Used for do_filter(), when the input lines for the filter are deleted. | |
| 7226 */ | |
| 7227 void | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7228 write_lnum_adjust(linenr_T offset) |
| 7 | 7229 { |
| 2707 | 7230 if (curbuf->b_no_eol_lnum != 0) /* only if there is a missing eol */ |
| 7231 curbuf->b_no_eol_lnum += offset; | |
| 7 | 7232 } |
| 7233 | |
|
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7234 #if defined(TEMPDIRNAMES) || defined(FEAT_EVAL) || defined(PROTO) |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7235 /* |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7236 * Delete "name" and everything in it, recursively. |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7237 * return 0 for succes, -1 if some file was not deleted. |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7238 */ |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7239 int |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7240 delete_recursive(char_u *name) |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7241 { |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7242 int result = 0; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7243 char_u **files; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7244 int file_count; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7245 int i; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7246 char_u *exp; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7247 |
|
7629
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7248 /* A symbolic link to a directory itself is deleted, not the directory it |
|
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7249 * points to. */ |
|
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7250 if ( |
|
7657
9c5e8254ea6b
commit https://github.com/vim/vim/commit/203258c3ad2966cc9d08b3805b103333988b30b7
Christian Brabandt <cb@256bit.org>
parents:
7641
diff
changeset
|
7251 # if defined(UNIX) || defined(WIN32) |
|
9c5e8254ea6b
commit https://github.com/vim/vim/commit/203258c3ad2966cc9d08b3805b103333988b30b7
Christian Brabandt <cb@256bit.org>
parents:
7641
diff
changeset
|
7252 mch_isrealdir(name) |
|
7629
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7253 # else |
|
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7254 mch_isdir(name) |
|
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7255 # endif |
|
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7256 ) |
|
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7257 { |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7258 vim_snprintf((char *)NameBuff, MAXPATHL, "%s/*", name); |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7259 exp = vim_strsave(NameBuff); |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7260 if (exp == NULL) |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7261 return -1; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7262 if (gen_expand_wildcards(1, &exp, &file_count, &files, |
|
7641
b44fc33ef92a
commit https://github.com/vim/vim/commit/336bd622c31e1805495c034e1a8cfadcc0bbabc7
Christian Brabandt <cb@256bit.org>
parents:
7633
diff
changeset
|
7263 EW_DIR|EW_FILE|EW_SILENT|EW_ALLLINKS|EW_DODOT|EW_EMPTYOK) == OK) |
|
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7264 { |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7265 for (i = 0; i < file_count; ++i) |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7266 if (delete_recursive(files[i]) != 0) |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7267 result = -1; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7268 FreeWild(file_count, files); |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7269 } |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7270 else |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7271 result = -1; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7272 vim_free(exp); |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7273 (void)mch_rmdir(name); |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7274 } |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7275 else |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7276 result = mch_remove(name) == 0 ? 0 : -1; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7277 |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7278 return result; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7279 } |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7280 #endif |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7281 |
| 7 | 7282 #if defined(TEMPDIRNAMES) || defined(PROTO) |
| 7283 static long temp_count = 0; /* Temp filename counter. */ | |
| 7284 | |
| 7285 /* | |
| 7286 * Delete the temp directory and all files it contains. | |
| 7287 */ | |
| 7288 void | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7289 vim_deltempdir(void) |
| 7 | 7290 { |
| 7291 if (vim_tempdir != NULL) | |
| 7292 { | |
|
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7293 /* remove the trailing path separator */ |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7294 gettail(vim_tempdir)[-1] = NUL; |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7295 delete_recursive(vim_tempdir); |
| 7 | 7296 vim_free(vim_tempdir); |
| 7297 vim_tempdir = NULL; | |
| 7298 } | |
| 7299 } | |
|
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7300 |
| 7 | 7301 /* |
| 1997 | 7302 * Directory "tempdir" was created. Expand this name to a full path and put |
| 7303 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
| 7304 * "tempdir" must be no longer than MAXPATHL. | |
| 7305 */ | |
| 7306 static void | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7307 vim_settempdir(char_u *tempdir) |
| 1997 | 7308 { |
| 7309 char_u *buf; | |
| 7310 | |
| 7311 buf = alloc((unsigned)MAXPATHL + 2); | |
| 7312 if (buf != NULL) | |
| 7313 { | |
| 7314 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
| 7315 STRCPY(buf, tempdir); | |
| 7316 # ifdef __EMX__ | |
| 7317 if (vim_strchr(buf, '/') != NULL) | |
| 7318 STRCAT(buf, "/"); | |
| 7319 else | |
| 7320 # endif | |
| 7321 add_pathsep(buf); | |
| 7322 vim_tempdir = vim_strsave(buf); | |
| 7323 vim_free(buf); | |
| 7324 } | |
| 7325 } | |
| 2006 | 7326 #endif |
| 1997 | 7327 |
| 7328 /* | |
| 7 | 7329 * vim_tempname(): Return a unique name that can be used for a temp file. |
| 7330 * | |
| 6721 | 7331 * The temp file is NOT garanteed to be created. If "keep" is FALSE it is |
| 7332 * garanteed to NOT be created. | |
| 7 | 7333 * |
| 7334 * The returned pointer is to allocated memory. | |
| 7335 * The returned pointer is NULL if no valid name was found. | |
| 7336 */ | |
| 7337 char_u * | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7338 vim_tempname( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7339 int extra_char UNUSED, /* char to use in the name instead of '?' */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7340 int keep UNUSED) |
| 7 | 7341 { |
| 7342 #ifdef USE_TMPNAM | |
| 7343 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
| 7344 #else | |
| 7345 char_u itmp[TEMPNAMELEN]; | |
| 7346 #endif | |
| 7347 | |
| 7348 #ifdef TEMPDIRNAMES | |
| 7349 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
| 7350 int i; | |
| 7351 # ifndef EEXIST | |
| 7352 struct stat st; | |
| 7353 # endif | |
| 7354 | |
| 7355 /* | |
| 7356 * This will create a directory for private use by this instance of Vim. | |
| 7357 * This is done once, and the same directory is used for all temp files. | |
| 7358 * This method avoids security problems because of symlink attacks et al. | |
| 7359 * It's also a bit faster, because we only need to check for an existing | |
| 7360 * file when creating the directory and not for each temp file. | |
| 7361 */ | |
| 7362 if (vim_tempdir == NULL) | |
| 7363 { | |
| 7364 /* | |
| 7365 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
| 7366 */ | |
| 1877 | 7367 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
| 7 | 7368 { |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7369 # ifndef HAVE_MKDTEMP |
| 1997 | 7370 size_t itmplen; |
| 7371 long nr; | |
| 7372 long off; | |
| 7373 # endif | |
| 7374 | |
|
7305
372c785c04b6
commit https://github.com/vim/vim/commit/e1a61991d9b6fd5f65636d17583f93118268cda5
Christian Brabandt <cb@256bit.org>
parents:
7285
diff
changeset
|
7375 /* Expand $TMP, leave room for "/v1100000/999999999". |
|
372c785c04b6
commit https://github.com/vim/vim/commit/e1a61991d9b6fd5f65636d17583f93118268cda5
Christian Brabandt <cb@256bit.org>
parents:
7285
diff
changeset
|
7376 * Skip the directory check if the expansion fails. */ |
| 7 | 7377 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); |
|
7305
372c785c04b6
commit https://github.com/vim/vim/commit/e1a61991d9b6fd5f65636d17583f93118268cda5
Christian Brabandt <cb@256bit.org>
parents:
7285
diff
changeset
|
7378 if (itmp[0] != '$' && mch_isdir(itmp)) |
|
372c785c04b6
commit https://github.com/vim/vim/commit/e1a61991d9b6fd5f65636d17583f93118268cda5
Christian Brabandt <cb@256bit.org>
parents:
7285
diff
changeset
|
7379 { |
|
372c785c04b6
commit https://github.com/vim/vim/commit/e1a61991d9b6fd5f65636d17583f93118268cda5
Christian Brabandt <cb@256bit.org>
parents:
7285
diff
changeset
|
7380 /* directory exists */ |
| 7 | 7381 # ifdef __EMX__ |
| 7382 /* If $TMP contains a forward slash (perhaps using bash or | |
| 7383 * tcsh), don't add a backslash, use a forward slash! | |
| 7384 * Adding 2 backslashes didn't work. */ | |
| 7385 if (vim_strchr(itmp, '/') != NULL) | |
| 7386 STRCAT(itmp, "/"); | |
| 7387 else | |
| 7388 # endif | |
| 7389 add_pathsep(itmp); | |
| 1997 | 7390 |
| 7391 # ifdef HAVE_MKDTEMP | |
| 7392 /* Leave room for filename */ | |
| 7393 STRCAT(itmp, "vXXXXXX"); | |
| 7394 if (mkdtemp((char *)itmp) != NULL) | |
| 7395 vim_settempdir(itmp); | |
| 7396 # else | |
| 7 | 7397 /* Get an arbitrary number of up to 6 digits. When it's |
| 7398 * unlikely that it already exists it will be faster, | |
| 7399 * otherwise it doesn't matter. The use of mkdir() avoids any | |
| 7400 * security problems because of the predictable number. */ | |
| 7401 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
|
2047
85da03763130
updated for version 7.2.333
Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7402 itmplen = STRLEN(itmp); |
| 7 | 7403 |
| 7404 /* Try up to 10000 different values until we find a name that | |
| 7405 * doesn't exist. */ | |
| 7406 for (off = 0; off < 10000L; ++off) | |
| 7407 { | |
| 7408 int r; | |
| 1997 | 7409 # if defined(UNIX) || defined(VMS) |
| 7 | 7410 mode_t umask_save; |
| 1997 | 7411 # endif |
| 7412 | |
| 7413 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
| 7414 # ifndef EEXIST | |
| 7 | 7415 /* If mkdir() does not set errno to EEXIST, check for |
| 7416 * existing file here. There is a race condition then, | |
| 7417 * although it's fail-safe. */ | |
| 7418 if (mch_stat((char *)itmp, &st) >= 0) | |
| 7419 continue; | |
| 1997 | 7420 # endif |
| 7421 # if defined(UNIX) || defined(VMS) | |
| 7 | 7422 /* Make sure the umask doesn't remove the executable bit. |
| 7423 * "repl" has been reported to use "177". */ | |
| 7424 umask_save = umask(077); | |
| 1997 | 7425 # endif |
| 7 | 7426 r = vim_mkdir(itmp, 0700); |
| 1997 | 7427 # if defined(UNIX) || defined(VMS) |
| 7 | 7428 (void)umask(umask_save); |
| 1997 | 7429 # endif |
| 7 | 7430 if (r == 0) |
| 7431 { | |
| 1997 | 7432 vim_settempdir(itmp); |
| 7 | 7433 break; |
| 7434 } | |
| 1997 | 7435 # ifdef EEXIST |
| 7 | 7436 /* If the mkdir() didn't fail because the file/dir exists, |
| 7437 * we probably can't create any dir here, try another | |
| 7438 * place. */ | |
| 7439 if (errno != EEXIST) | |
| 1997 | 7440 # endif |
| 7 | 7441 break; |
| 7442 } | |
| 1997 | 7443 # endif /* HAVE_MKDTEMP */ |
| 7 | 7444 if (vim_tempdir != NULL) |
| 7445 break; | |
| 7446 } | |
| 7447 } | |
| 7448 } | |
| 7449 | |
| 7450 if (vim_tempdir != NULL) | |
| 7451 { | |
| 7452 /* There is no need to check if the file exists, because we own the | |
| 7453 * directory and nobody else creates a file in it. */ | |
| 7454 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
| 7455 return vim_strsave(itmp); | |
| 7456 } | |
| 7457 | |
| 7458 return NULL; | |
| 7459 | |
| 7460 #else /* TEMPDIRNAMES */ | |
| 7461 | |
| 7462 # ifdef WIN3264 | |
| 7463 char szTempFile[_MAX_PATH + 1]; | |
| 7464 char buf4[4]; | |
| 7465 char_u *retval; | |
| 7466 char_u *p; | |
| 7467 | |
| 7468 STRCPY(itmp, ""); | |
| 7469 if (GetTempPath(_MAX_PATH, szTempFile) == 0) | |
| 2695 | 7470 { |
| 7471 szTempFile[0] = '.'; /* GetTempPath() failed, use current dir */ | |
| 7472 szTempFile[1] = NUL; | |
| 7473 } | |
| 7 | 7474 strcpy(buf4, "VIM"); |
| 7475 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ | |
|
8080
b6cb94ad97a4
commit https://github.com/vim/vim/commit/6aa2cd4be287f35f95f35c2cec6d5a24f53c4d3c
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
7476 if (GetTempFileName(szTempFile, buf4, 0, (LPSTR)itmp) == 0) |
| 7 | 7477 return NULL; |
| 6721 | 7478 if (!keep) |
| 7479 /* GetTempFileName() will create the file, we don't want that */ | |
|
8080
b6cb94ad97a4
commit https://github.com/vim/vim/commit/6aa2cd4be287f35f95f35c2cec6d5a24f53c4d3c
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
7480 (void)DeleteFile((LPSTR)itmp); |
| 7 | 7481 |
| 7482 /* Backslashes in a temp file name cause problems when filtering with | |
| 7483 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who | |
| 7484 * didn't set 'shellslash'. */ | |
| 7485 retval = vim_strsave(itmp); | |
| 7486 if (*p_shcf == '-' || p_ssl) | |
| 7487 for (p = retval; *p; ++p) | |
| 7488 if (*p == '\\') | |
| 7489 *p = '/'; | |
| 7490 return retval; | |
| 7491 | |
| 7492 # else /* WIN3264 */ | |
| 7493 | |
| 7494 # ifdef USE_TMPNAM | |
| 2697 | 7495 char_u *p; |
| 7496 | |
| 7 | 7497 /* tmpnam() will make its own name */ |
| 2697 | 7498 p = tmpnam((char *)itmp); |
| 7499 if (p == NULL || *p == NUL) | |
| 7 | 7500 return NULL; |
| 7501 # else | |
| 7502 char_u *p; | |
| 7503 | |
| 7504 # ifdef VMS_TEMPNAM | |
| 7505 /* mktemp() is not working on VMS. It seems to be | |
| 7506 * a do-nothing function. Therefore we use tempnam(). | |
| 7507 */ | |
| 7508 sprintf((char *)itmp, "VIM%c", extra_char); | |
| 7509 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
| 7510 if (p != NULL) | |
| 7511 { | |
| 5704 | 7512 /* VMS will use '.LIS' if we don't explicitly specify an extension, |
| 7 | 7513 * and VIM will then be unable to find the file later */ |
| 7514 STRCPY(itmp, p); | |
| 7515 STRCAT(itmp, ".txt"); | |
| 7516 free(p); | |
| 7517 } | |
| 7518 else | |
| 7519 return NULL; | |
| 7520 # else | |
| 7521 STRCPY(itmp, TEMPNAME); | |
| 7522 if ((p = vim_strchr(itmp, '?')) != NULL) | |
| 7523 *p = extra_char; | |
| 7524 if (mktemp((char *)itmp) == NULL) | |
| 7525 return NULL; | |
| 7526 # endif | |
| 7527 # endif | |
| 7528 | |
| 7529 return vim_strsave(itmp); | |
| 7530 # endif /* WIN3264 */ | |
| 7531 #endif /* TEMPDIRNAMES */ | |
| 7532 } | |
| 7533 | |
| 7534 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
| 7535 /* | |
|
7170
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7536 * Convert all backslashes in fname to forward slashes in-place, unless when |
|
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7537 * it looks like a URL. |
| 7 | 7538 */ |
| 7539 void | |
|
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f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7540 forward_slash(char_u *fname) |
| 7 | 7541 { |
| 7542 char_u *p; | |
| 7543 | |
|
7170
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7544 if (path_with_url(fname)) |
|
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7545 return; |
| 7 | 7546 for (p = fname; *p != NUL; ++p) |
| 7547 # ifdef FEAT_MBYTE | |
| 7548 /* The Big5 encoding can have '\' in the trail byte. */ | |
| 474 | 7549 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 7550 ++p; |
| 7551 else | |
| 7552 # endif | |
| 7553 if (*p == '\\') | |
| 7554 *p = '/'; | |
| 7555 } | |
| 7556 #endif | |
| 7557 | |
| 7558 | |
| 7559 /* | |
| 7560 * Code for automatic commands. | |
| 7561 * | |
| 7562 * Only included when "FEAT_AUTOCMD" has been defined. | |
| 7563 */ | |
| 7564 | |
| 7565 #if defined(FEAT_AUTOCMD) || defined(PROTO) | |
| 7566 | |
| 7567 /* | |
| 7568 * The autocommands are stored in a list for each event. | |
| 7569 * Autocommands for the same pattern, that are consecutive, are joined | |
| 7570 * together, to avoid having to match the pattern too often. | |
| 7571 * The result is an array of Autopat lists, which point to AutoCmd lists: | |
| 7572 * | |
| 7573 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL | |
| 7574 * Autopat.cmds Autopat.cmds | |
| 7575 * | | | |
| 7576 * V V | |
| 7577 * AutoCmd.next AutoCmd.next | |
| 7578 * | | | |
| 7579 * V V | |
| 7580 * AutoCmd.next NULL | |
| 7581 * | | |
| 7582 * V | |
| 7583 * NULL | |
| 7584 * | |
| 7585 * first_autopat[1] --> Autopat.next --> NULL | |
| 7586 * Autopat.cmds | |
| 7587 * | | |
| 7588 * V | |
| 7589 * AutoCmd.next | |
| 7590 * | | |
| 7591 * V | |
| 7592 * NULL | |
| 7593 * etc. | |
| 7594 * | |
| 7595 * The order of AutoCmds is important, this is the order in which they were | |
| 7596 * defined and will have to be executed. | |
| 7597 */ | |
| 7598 typedef struct AutoCmd | |
| 7599 { | |
| 7600 char_u *cmd; /* The command to be executed (NULL | |
| 7601 when command has been removed) */ | |
| 7602 char nested; /* If autocommands nest here */ | |
| 7603 char last; /* last command in list */ | |
| 7604 #ifdef FEAT_EVAL | |
| 7605 scid_T scriptID; /* script ID where defined */ | |
| 7606 #endif | |
| 7607 struct AutoCmd *next; /* Next AutoCmd in list */ | |
| 7608 } AutoCmd; | |
| 7609 | |
| 7610 typedef struct AutoPat | |
| 7611 { | |
| 7612 char_u *pat; /* pattern as typed (NULL when pattern | |
| 7613 has been removed) */ | |
|
4861
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Bram Moolenaar <bram@vim.org>
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4805
diff
changeset
|
7614 regprog_T *reg_prog; /* compiled regprog for pattern */ |
|
e79a20f07daa
updated for version 7.3.1177
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parents:
4805
diff
changeset
|
7615 AutoCmd *cmds; /* list of commands to do */ |
|
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Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
7616 struct AutoPat *next; /* next AutoPat in AutoPat list */ |
|
e79a20f07daa
updated for version 7.3.1177
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
7617 int group; /* group ID */ |
| 7 | 7618 int patlen; /* strlen() of pat */ |
|
4861
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updated for version 7.3.1177
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
7619 int buflocal_nr; /* !=0 for buffer-local AutoPat */ |
| 7 | 7620 char allow_dirs; /* Pattern may match whole path */ |
| 7621 char last; /* last pattern for apply_autocmds() */ | |
| 7622 } AutoPat; | |
| 7623 | |
| 7624 static struct event_name | |
| 7625 { | |
| 7626 char *name; /* event name */ | |
| 661 | 7627 event_T event; /* event number */ |
| 7 | 7628 } event_names[] = |
| 7629 { | |
| 7630 {"BufAdd", EVENT_BUFADD}, | |
| 7631 {"BufCreate", EVENT_BUFADD}, | |
| 7632 {"BufDelete", EVENT_BUFDELETE}, | |
| 7633 {"BufEnter", EVENT_BUFENTER}, | |
| 7634 {"BufFilePost", EVENT_BUFFILEPOST}, | |
| 7635 {"BufFilePre", EVENT_BUFFILEPRE}, | |
| 7636 {"BufHidden", EVENT_BUFHIDDEN}, | |
| 7637 {"BufLeave", EVENT_BUFLEAVE}, | |
| 7638 {"BufNew", EVENT_BUFNEW}, | |
| 7639 {"BufNewFile", EVENT_BUFNEWFILE}, | |
| 7640 {"BufRead", EVENT_BUFREADPOST}, | |
| 7641 {"BufReadCmd", EVENT_BUFREADCMD}, | |
| 7642 {"BufReadPost", EVENT_BUFREADPOST}, | |
| 7643 {"BufReadPre", EVENT_BUFREADPRE}, | |
| 7644 {"BufUnload", EVENT_BUFUNLOAD}, | |
| 7645 {"BufWinEnter", EVENT_BUFWINENTER}, | |
| 7646 {"BufWinLeave", EVENT_BUFWINLEAVE}, | |
| 7647 {"BufWipeout", EVENT_BUFWIPEOUT}, | |
| 7648 {"BufWrite", EVENT_BUFWRITEPRE}, | |
| 7649 {"BufWritePost", EVENT_BUFWRITEPOST}, | |
| 7650 {"BufWritePre", EVENT_BUFWRITEPRE}, | |
| 7651 {"BufWriteCmd", EVENT_BUFWRITECMD}, | |
| 7652 {"CmdwinEnter", EVENT_CMDWINENTER}, | |
| 7653 {"CmdwinLeave", EVENT_CMDWINLEAVE}, | |
| 6154 | 7654 {"CmdUndefined", EVENT_CMDUNDEFINED}, |
| 12 | 7655 {"ColorScheme", EVENT_COLORSCHEME}, |
| 3676 | 7656 {"CompleteDone", EVENT_COMPLETEDONE}, |
| 661 | 7657 {"CursorHold", EVENT_CURSORHOLD}, |
| 7658 {"CursorHoldI", EVENT_CURSORHOLDI}, | |
| 7659 {"CursorMoved", EVENT_CURSORMOVED}, | |
| 7660 {"CursorMovedI", EVENT_CURSORMOVEDI}, | |
| 7 | 7661 {"EncodingChanged", EVENT_ENCODINGCHANGED}, |
| 7662 {"FileEncoding", EVENT_ENCODINGCHANGED}, | |
| 7663 {"FileAppendPost", EVENT_FILEAPPENDPOST}, | |
| 7664 {"FileAppendPre", EVENT_FILEAPPENDPRE}, | |
| 7665 {"FileAppendCmd", EVENT_FILEAPPENDCMD}, | |
| 7666 {"FileChangedShell",EVENT_FILECHANGEDSHELL}, | |
| 765 | 7667 {"FileChangedShellPost",EVENT_FILECHANGEDSHELLPOST}, |
| 7 | 7668 {"FileChangedRO", EVENT_FILECHANGEDRO}, |
| 7669 {"FileReadPost", EVENT_FILEREADPOST}, | |
| 7670 {"FileReadPre", EVENT_FILEREADPRE}, | |
| 7671 {"FileReadCmd", EVENT_FILEREADCMD}, | |
| 7672 {"FileType", EVENT_FILETYPE}, | |
| 7673 {"FileWritePost", EVENT_FILEWRITEPOST}, | |
| 7674 {"FileWritePre", EVENT_FILEWRITEPRE}, | |
| 7675 {"FileWriteCmd", EVENT_FILEWRITECMD}, | |
| 7676 {"FilterReadPost", EVENT_FILTERREADPOST}, | |
| 7677 {"FilterReadPre", EVENT_FILTERREADPRE}, | |
| 7678 {"FilterWritePost", EVENT_FILTERWRITEPOST}, | |
| 7679 {"FilterWritePre", EVENT_FILTERWRITEPRE}, | |
| 7680 {"FocusGained", EVENT_FOCUSGAINED}, | |
| 7681 {"FocusLost", EVENT_FOCUSLOST}, | |
| 7682 {"FuncUndefined", EVENT_FUNCUNDEFINED}, | |
| 7683 {"GUIEnter", EVENT_GUIENTER}, | |
| 946 | 7684 {"GUIFailed", EVENT_GUIFAILED}, |
| 11 | 7685 {"InsertChange", EVENT_INSERTCHANGE}, |
| 7686 {"InsertEnter", EVENT_INSERTENTER}, | |
| 7687 {"InsertLeave", EVENT_INSERTLEAVE}, | |
| 2845 | 7688 {"InsertCharPre", EVENT_INSERTCHARPRE}, |
| 434 | 7689 {"MenuPopup", EVENT_MENUPOPUP}, |
| 6935 | 7690 {"OptionSet", EVENT_OPTIONSET}, |
| 161 | 7691 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST}, |
| 7692 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE}, | |
| 3568 | 7693 {"QuitPre", EVENT_QUITPRE}, |
| 7 | 7694 {"RemoteReply", EVENT_REMOTEREPLY}, |
| 574 | 7695 {"SessionLoadPost", EVENT_SESSIONLOADPOST}, |
| 723 | 7696 {"ShellCmdPost", EVENT_SHELLCMDPOST}, |
| 7697 {"ShellFilterPost", EVENT_SHELLFILTERPOST}, | |
| 715 | 7698 {"SourcePre", EVENT_SOURCEPRE}, |
| 1061 | 7699 {"SourceCmd", EVENT_SOURCECMD}, |
| 649 | 7700 {"SpellFileMissing",EVENT_SPELLFILEMISSING}, |
| 7 | 7701 {"StdinReadPost", EVENT_STDINREADPOST}, |
| 7702 {"StdinReadPre", EVENT_STDINREADPRE}, | |
| 674 | 7703 {"SwapExists", EVENT_SWAPEXISTS}, |
| 7 | 7704 {"Syntax", EVENT_SYNTAX}, |
| 676 | 7705 {"TabEnter", EVENT_TABENTER}, |
| 7706 {"TabLeave", EVENT_TABLEAVE}, | |
| 7 | 7707 {"TermChanged", EVENT_TERMCHANGED}, |
| 7708 {"TermResponse", EVENT_TERMRESPONSE}, | |
| 4232 | 7709 {"TextChanged", EVENT_TEXTCHANGED}, |
| 7710 {"TextChangedI", EVENT_TEXTCHANGEDI}, | |
| 7 | 7711 {"User", EVENT_USER}, |
| 7712 {"VimEnter", EVENT_VIMENTER}, | |
| 7713 {"VimLeave", EVENT_VIMLEAVE}, | |
| 7714 {"VimLeavePre", EVENT_VIMLEAVEPRE}, | |
| 7715 {"WinEnter", EVENT_WINENTER}, | |
| 7716 {"WinLeave", EVENT_WINLEAVE}, | |
| 765 | 7717 {"VimResized", EVENT_VIMRESIZED}, |
| 661 | 7718 {NULL, (event_T)0} |
| 7 | 7719 }; |
| 7720 | |
| 7721 static AutoPat *first_autopat[NUM_EVENTS] = | |
| 7722 { | |
| 7723 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7724 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7725 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 7726 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| 18 | 7727 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 6935 | 7728 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL |
| 7 | 7729 }; |
| 7730 | |
| 7731 /* | |
| 7732 * struct used to keep status while executing autocommands for an event. | |
| 7733 */ | |
| 7734 typedef struct AutoPatCmd | |
| 7735 { | |
| 7736 AutoPat *curpat; /* next AutoPat to examine */ | |
| 7737 AutoCmd *nextcmd; /* next AutoCmd to execute */ | |
| 7738 int group; /* group being used */ | |
| 7739 char_u *fname; /* fname to match with */ | |
| 7740 char_u *sfname; /* sfname to match with */ | |
| 7741 char_u *tail; /* tail of fname */ | |
| 661 | 7742 event_T event; /* current event */ |
| 40 | 7743 int arg_bufnr; /* initially equal to <abuf>, set to zero when |
| 7744 buf is deleted */ | |
| 7745 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/ | |
| 7 | 7746 } AutoPatCmd; |
| 7747 | |
| 297 | 7748 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */ |
| 40 | 7749 |
| 7 | 7750 /* |
| 7751 * augroups stores a list of autocmd group names. | |
| 7752 */ | |
| 297 | 7753 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL}; |
| 7 | 7754 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i]) |
| 7755 | |
| 7756 /* | |
| 7757 * The ID of the current group. Group 0 is the default one. | |
| 7758 */ | |
| 7759 static int current_augroup = AUGROUP_DEFAULT; | |
| 7760 | |
| 7761 static int au_need_clean = FALSE; /* need to delete marked patterns */ | |
| 7762 | |
|
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parents:
7657
diff
changeset
|
7763 static void show_autocmd(AutoPat *ap, event_T event); |
|
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commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7764 static void au_remove_pat(AutoPat *ap); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7765 static void au_remove_cmds(AutoPat *ap); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7766 static void au_cleanup(void); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7767 static int au_new_group(char_u *name); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7768 static void au_del_group(char_u *name); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7769 static event_T event_name2nr(char_u *start, char_u **end); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7770 static char_u *event_nr2name(event_T event); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7771 static char_u *find_end_event(char_u *arg, int have_group); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7772 static int event_ignored(event_T event); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7773 static int au_get_grouparg(char_u **argp); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7774 static int do_autocmd_event(event_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group); |
|
a1e71a01dbd6
commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7775 static int apply_autocmds_group(event_T event, char_u *fname, char_u *fname_io, int force, int group, buf_T *buf, exarg_T *eap); |
|
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commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7776 static void auto_next_pat(AutoPatCmd *apc, int stop_at_last); |
| 6375 | 7777 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) |
|
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commit https://github.com/vim/vim/commit/d25c16e2f2776d50245bf31d6e4d5364f12d188e
Christian Brabandt <cb@256bit.org>
parents:
7657
diff
changeset
|
7778 static int match_file_pat(char_u *pattern, regprog_T **prog, char_u *fname, char_u *sfname, char_u *tail, int allow_dirs); |
| 6375 | 7779 #endif |
| 7 | 7780 |
| 40 | 7781 |
| 661 | 7782 static event_T last_event; |
| 7 | 7783 static int last_group; |
| 1410 | 7784 static int autocmd_blocked = 0; /* block all autocmds */ |
| 7 | 7785 |
| 7786 /* | |
| 7787 * Show the autocommands for one AutoPat. | |
| 7788 */ | |
| 7789 static void | |
|
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7790 show_autocmd(AutoPat *ap, event_T event) |
| 7 | 7791 { |
| 7792 AutoCmd *ac; | |
| 7793 | |
| 7794 /* Check for "got_int" (here and at various places below), which is set | |
| 7795 * when "q" has been hit for the "--more--" prompt */ | |
| 7796 if (got_int) | |
| 7797 return; | |
| 7798 if (ap->pat == NULL) /* pattern has been removed */ | |
| 7799 return; | |
| 7800 | |
| 7801 msg_putchar('\n'); | |
| 7802 if (got_int) | |
| 7803 return; | |
| 7804 if (event != last_event || ap->group != last_group) | |
| 7805 { | |
| 7806 if (ap->group != AUGROUP_DEFAULT) | |
| 7807 { | |
| 7808 if (AUGROUP_NAME(ap->group) == NULL) | |
| 7809 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E)); | |
| 7810 else | |
| 7811 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T)); | |
| 7812 msg_puts((char_u *)" "); | |
| 7813 } | |
| 7814 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T)); | |
| 7815 last_event = event; | |
| 7816 last_group = ap->group; | |
| 7817 msg_putchar('\n'); | |
| 7818 if (got_int) | |
| 7819 return; | |
| 7820 } | |
| 7821 msg_col = 4; | |
| 7822 msg_outtrans(ap->pat); | |
| 7823 | |
| 7824 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7825 { | |
| 7826 if (ac->cmd != NULL) /* skip removed commands */ | |
| 7827 { | |
| 7828 if (msg_col >= 14) | |
| 7829 msg_putchar('\n'); | |
| 7830 msg_col = 14; | |
| 7831 if (got_int) | |
| 7832 return; | |
| 7833 msg_outtrans(ac->cmd); | |
| 500 | 7834 #ifdef FEAT_EVAL |
| 7835 if (p_verbose > 0) | |
| 7836 last_set_msg(ac->scriptID); | |
| 7837 #endif | |
| 7 | 7838 if (got_int) |
| 7839 return; | |
| 7840 if (ac->next != NULL) | |
| 7841 { | |
| 7842 msg_putchar('\n'); | |
| 7843 if (got_int) | |
| 7844 return; | |
| 7845 } | |
| 7846 } | |
| 7847 } | |
| 7848 } | |
| 7849 | |
| 7850 /* | |
| 7851 * Mark an autocommand pattern for deletion. | |
| 7852 */ | |
| 7853 static void | |
|
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f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7854 au_remove_pat(AutoPat *ap) |
| 7 | 7855 { |
| 7856 vim_free(ap->pat); | |
| 7857 ap->pat = NULL; | |
| 40 | 7858 ap->buflocal_nr = -1; |
| 7 | 7859 au_need_clean = TRUE; |
| 7860 } | |
| 7861 | |
| 7862 /* | |
| 7863 * Mark all commands for a pattern for deletion. | |
| 7864 */ | |
| 7865 static void | |
|
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7866 au_remove_cmds(AutoPat *ap) |
| 7 | 7867 { |
| 7868 AutoCmd *ac; | |
| 7869 | |
| 7870 for (ac = ap->cmds; ac != NULL; ac = ac->next) | |
| 7871 { | |
| 7872 vim_free(ac->cmd); | |
| 7873 ac->cmd = NULL; | |
| 7874 } | |
| 7875 au_need_clean = TRUE; | |
| 7876 } | |
| 7877 | |
| 7878 /* | |
| 7879 * Cleanup autocommands and patterns that have been deleted. | |
| 7880 * This is only done when not executing autocommands. | |
| 7881 */ | |
| 7882 static void | |
|
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f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7883 au_cleanup(void) |
| 7 | 7884 { |
| 7885 AutoPat *ap, **prev_ap; | |
| 7886 AutoCmd *ac, **prev_ac; | |
| 661 | 7887 event_T event; |
| 7 | 7888 |
| 7889 if (autocmd_busy || !au_need_clean) | |
| 7890 return; | |
| 7891 | |
| 7892 /* loop over all events */ | |
| 661 | 7893 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7894 event = (event_T)((int)event + 1)) | |
| 7 | 7895 { |
| 7896 /* loop over all autocommand patterns */ | |
| 7897 prev_ap = &(first_autopat[(int)event]); | |
| 7898 for (ap = *prev_ap; ap != NULL; ap = *prev_ap) | |
| 7899 { | |
| 7900 /* loop over all commands for this pattern */ | |
| 7901 prev_ac = &(ap->cmds); | |
| 7902 for (ac = *prev_ac; ac != NULL; ac = *prev_ac) | |
| 7903 { | |
| 7904 /* remove the command if the pattern is to be deleted or when | |
| 7905 * the command has been marked for deletion */ | |
| 7906 if (ap->pat == NULL || ac->cmd == NULL) | |
| 7907 { | |
| 7908 *prev_ac = ac->next; | |
| 7909 vim_free(ac->cmd); | |
| 7910 vim_free(ac); | |
| 7911 } | |
| 7912 else | |
| 7913 prev_ac = &(ac->next); | |
| 7914 } | |
| 7915 | |
| 7916 /* remove the pattern if it has been marked for deletion */ | |
| 7917 if (ap->pat == NULL) | |
| 7918 { | |
| 7919 *prev_ap = ap->next; | |
|
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changeset
|
7920 vim_regfree(ap->reg_prog); |
| 7 | 7921 vim_free(ap); |
| 7922 } | |
| 7923 else | |
| 7924 prev_ap = &(ap->next); | |
| 7925 } | |
| 7926 } | |
| 7927 | |
| 7928 au_need_clean = FALSE; | |
| 7929 } | |
| 7930 | |
| 7931 /* | |
| 40 | 7932 * Called when buffer is freed, to remove/invalidate related buffer-local |
| 7933 * autocmds. | |
| 7934 */ | |
| 7935 void | |
|
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parents:
7801
diff
changeset
|
7936 aubuflocal_remove(buf_T *buf) |
| 40 | 7937 { |
| 7938 AutoPat *ap; | |
| 661 | 7939 event_T event; |
| 40 | 7940 AutoPatCmd *apc; |
| 7941 | |
| 7942 /* invalidate currently executing autocommands */ | |
| 7943 for (apc = active_apc_list; apc; apc = apc->next) | |
| 7944 if (buf->b_fnum == apc->arg_bufnr) | |
| 7945 apc->arg_bufnr = 0; | |
| 7946 | |
| 7947 /* invalidate buflocals looping through events */ | |
| 661 | 7948 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 7949 event = (event_T)((int)event + 1)) | |
| 40 | 7950 /* loop over all autocommand patterns */ |
| 7951 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 7952 if (ap->buflocal_nr == buf->b_fnum) | |
| 7953 { | |
| 7954 au_remove_pat(ap); | |
| 7955 if (p_verbose >= 6) | |
| 292 | 7956 { |
| 7957 verbose_enter(); | |
| 40 | 7958 smsg((char_u *) |
| 7959 _("auto-removing autocommand: %s <buffer=%d>"), | |
| 7960 event_nr2name(event), buf->b_fnum); | |
| 292 | 7961 verbose_leave(); |
| 7962 } | |
| 40 | 7963 } |
| 7964 au_cleanup(); | |
| 7965 } | |
| 7966 | |
| 7967 /* | |
| 7 | 7968 * Add an autocmd group name. |
| 7969 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 7970 */ | |
| 7971 static int | |
|
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parents:
7801
diff
changeset
|
7972 au_new_group(char_u *name) |
| 7 | 7973 { |
| 7974 int i; | |
| 7975 | |
| 7976 i = au_find_group(name); | |
| 7977 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */ | |
| 7978 { | |
| 7979 /* First try using a free entry. */ | |
| 7980 for (i = 0; i < augroups.ga_len; ++i) | |
| 7981 if (AUGROUP_NAME(i) == NULL) | |
| 7982 break; | |
| 7983 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL) | |
| 7984 return AUGROUP_ERROR; | |
| 7985 | |
| 7986 AUGROUP_NAME(i) = vim_strsave(name); | |
| 7987 if (AUGROUP_NAME(i) == NULL) | |
| 7988 return AUGROUP_ERROR; | |
| 7989 if (i == augroups.ga_len) | |
| 7990 ++augroups.ga_len; | |
| 7991 } | |
| 7992 | |
| 7993 return i; | |
| 7994 } | |
| 7995 | |
| 7996 static void | |
|
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parents:
7801
diff
changeset
|
7997 au_del_group(char_u *name) |
| 7 | 7998 { |
| 7999 int i; | |
| 8000 | |
| 8001 i = au_find_group(name); | |
| 8002 if (i == AUGROUP_ERROR) /* the group doesn't exist */ | |
| 8003 EMSG2(_("E367: No such group: \"%s\""), name); | |
| 8004 else | |
| 8005 { | |
| 8006 vim_free(AUGROUP_NAME(i)); | |
| 8007 AUGROUP_NAME(i) = NULL; | |
| 8008 } | |
| 8009 } | |
| 8010 | |
| 8011 /* | |
| 8012 * Find the ID of an autocmd group name. | |
| 8013 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error. | |
| 8014 */ | |
| 8015 static int | |
|
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parents:
7801
diff
changeset
|
8016 au_find_group(char_u *name) |
| 7 | 8017 { |
| 8018 int i; | |
| 8019 | |
| 8020 for (i = 0; i < augroups.ga_len; ++i) | |
| 8021 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0) | |
| 8022 return i; | |
| 8023 return AUGROUP_ERROR; | |
| 8024 } | |
| 8025 | |
| 461 | 8026 /* |
| 8027 * Return TRUE if augroup "name" exists. | |
| 8028 */ | |
| 8029 int | |
|
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parents:
7801
diff
changeset
|
8030 au_has_group(char_u *name) |
| 461 | 8031 { |
| 8032 return au_find_group(name) != AUGROUP_ERROR; | |
| 8033 } | |
| 8034 | |
| 7 | 8035 /* |
| 8036 * ":augroup {name}". | |
| 8037 */ | |
| 8038 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8039 do_augroup(char_u *arg, int del_group) |
| 7 | 8040 { |
| 8041 int i; | |
| 8042 | |
| 8043 if (del_group) | |
| 8044 { | |
| 8045 if (*arg == NUL) | |
| 8046 EMSG(_(e_argreq)); | |
| 8047 else | |
| 8048 au_del_group(arg); | |
| 8049 } | |
| 8050 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */ | |
| 8051 current_augroup = AUGROUP_DEFAULT; | |
| 8052 else if (*arg) /* ":aug xxx": switch to group xxx */ | |
| 8053 { | |
| 8054 i = au_new_group(arg); | |
| 8055 if (i != AUGROUP_ERROR) | |
| 8056 current_augroup = i; | |
| 8057 } | |
| 8058 else /* ":aug": list the group names */ | |
| 8059 { | |
| 8060 msg_start(); | |
| 8061 for (i = 0; i < augroups.ga_len; ++i) | |
| 8062 { | |
| 8063 if (AUGROUP_NAME(i) != NULL) | |
| 8064 { | |
| 8065 msg_puts(AUGROUP_NAME(i)); | |
| 8066 msg_puts((char_u *)" "); | |
| 8067 } | |
| 8068 } | |
| 8069 msg_clr_eos(); | |
| 8070 msg_end(); | |
| 8071 } | |
| 8072 } | |
| 8073 | |
| 355 | 8074 #if defined(EXITFREE) || defined(PROTO) |
| 8075 void | |
|
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parents:
7801
diff
changeset
|
8076 free_all_autocmds(void) |
| 355 | 8077 { |
| 8078 for (current_augroup = -1; current_augroup < augroups.ga_len; | |
| 8079 ++current_augroup) | |
| 8080 do_autocmd((char_u *)"", TRUE); | |
| 8081 ga_clear_strings(&augroups); | |
| 8082 } | |
| 8083 #endif | |
| 8084 | |
| 7 | 8085 /* |
| 8086 * Return the event number for event name "start". | |
| 8087 * Return NUM_EVENTS if the event name was not found. | |
| 8088 * Return a pointer to the next event name in "end". | |
| 8089 */ | |
| 661 | 8090 static event_T |
|
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parents:
7801
diff
changeset
|
8091 event_name2nr(char_u *start, char_u **end) |
| 7 | 8092 { |
| 8093 char_u *p; | |
| 8094 int i; | |
| 8095 int len; | |
| 8096 | |
| 8097 /* the event name ends with end of line, a blank or a comma */ | |
| 8098 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p) | |
| 8099 ; | |
| 8100 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8101 { | |
| 8102 len = (int)STRLEN(event_names[i].name); | |
| 8103 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0) | |
| 8104 break; | |
| 8105 } | |
| 8106 if (*p == ',') | |
| 8107 ++p; | |
| 8108 *end = p; | |
| 8109 if (event_names[i].name == NULL) | |
| 8110 return NUM_EVENTS; | |
| 8111 return event_names[i].event; | |
| 8112 } | |
| 8113 | |
| 8114 /* | |
| 8115 * Return the name for event "event". | |
| 8116 */ | |
| 8117 static char_u * | |
|
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parents:
7801
diff
changeset
|
8118 event_nr2name(event_T event) |
| 7 | 8119 { |
| 8120 int i; | |
| 8121 | |
| 8122 for (i = 0; event_names[i].name != NULL; ++i) | |
| 8123 if (event_names[i].event == event) | |
| 8124 return (char_u *)event_names[i].name; | |
| 8125 return (char_u *)"Unknown"; | |
| 8126 } | |
| 8127 | |
| 8128 /* | |
| 8129 * Scan over the events. "*" stands for all events. | |
| 8130 */ | |
| 8131 static char_u * | |
|
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parents:
7801
diff
changeset
|
8132 find_end_event( |
|
f86adafb28d4
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7801
diff
changeset
|
8133 char_u *arg, |
|
f86adafb28d4
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parents:
7801
diff
changeset
|
8134 int have_group) /* TRUE when group name was found */ |
| 7 | 8135 { |
| 8136 char_u *pat; | |
| 8137 char_u *p; | |
| 8138 | |
| 8139 if (*arg == '*') | |
| 8140 { | |
| 8141 if (arg[1] && !vim_iswhite(arg[1])) | |
| 8142 { | |
| 8143 EMSG2(_("E215: Illegal character after *: %s"), arg); | |
| 8144 return NULL; | |
| 8145 } | |
| 8146 pat = arg + 1; | |
| 8147 } | |
| 8148 else | |
| 8149 { | |
| 8150 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p) | |
| 8151 { | |
| 8152 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS) | |
| 8153 { | |
| 8154 if (have_group) | |
| 8155 EMSG2(_("E216: No such event: %s"), pat); | |
| 8156 else | |
| 8157 EMSG2(_("E216: No such group or event: %s"), pat); | |
| 8158 return NULL; | |
| 8159 } | |
| 8160 } | |
| 8161 } | |
| 8162 return pat; | |
| 8163 } | |
| 8164 | |
| 8165 /* | |
| 8166 * Return TRUE if "event" is included in 'eventignore'. | |
| 8167 */ | |
| 8168 static int | |
|
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parents:
7801
diff
changeset
|
8169 event_ignored(event_T event) |
| 7 | 8170 { |
| 8171 char_u *p = p_ei; | |
| 8172 | |
| 844 | 8173 while (*p != NUL) |
| 8174 { | |
| 8175 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8176 return TRUE; | |
| 7 | 8177 if (event_name2nr(p, &p) == event) |
| 8178 return TRUE; | |
| 844 | 8179 } |
| 7 | 8180 |
| 8181 return FALSE; | |
| 8182 } | |
| 8183 | |
| 8184 /* | |
| 8185 * Return OK when the contents of p_ei is valid, FAIL otherwise. | |
| 8186 */ | |
| 8187 int | |
|
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parents:
7801
diff
changeset
|
8188 check_ei(void) |
| 7 | 8189 { |
| 8190 char_u *p = p_ei; | |
| 8191 | |
| 8192 while (*p) | |
| 844 | 8193 { |
| 8194 if (STRNICMP(p, "all", 3) == 0 && (p[3] == NUL || p[3] == ',')) | |
| 8195 { | |
| 8196 p += 3; | |
| 8197 if (*p == ',') | |
| 8198 ++p; | |
| 8199 } | |
| 8200 else if (event_name2nr(p, &p) == NUM_EVENTS) | |
| 7 | 8201 return FAIL; |
| 844 | 8202 } |
| 7 | 8203 |
| 8204 return OK; | |
| 8205 } | |
| 8206 | |
| 123 | 8207 # if defined(FEAT_SYN_HL) || defined(PROTO) |
| 8208 | |
| 8209 /* | |
| 8210 * Add "what" to 'eventignore' to skip loading syntax highlighting for every | |
| 8211 * buffer loaded into the window. "what" must start with a comma. | |
| 8212 * Returns the old value of 'eventignore' in allocated memory. | |
| 8213 */ | |
| 8214 char_u * | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8215 au_event_disable(char *what) |
| 123 | 8216 { |
| 8217 char_u *new_ei; | |
| 8218 char_u *save_ei; | |
| 8219 | |
| 8220 save_ei = vim_strsave(p_ei); | |
| 8221 if (save_ei != NULL) | |
| 8222 { | |
| 557 | 8223 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what))); |
| 123 | 8224 if (new_ei != NULL) |
| 8225 { | |
|
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2047
diff
changeset
|
8226 if (*what == ',' && *p_ei == NUL) |
|
8aa3cd045aef
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Bram Moolenaar <bram@zimbu.org>
parents:
2047
diff
changeset
|
8227 STRCPY(new_ei, what + 1); |
|
8aa3cd045aef
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Bram Moolenaar <bram@zimbu.org>
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2047
diff
changeset
|
8228 else |
|
8aa3cd045aef
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Bram Moolenaar <bram@zimbu.org>
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diff
changeset
|
8229 STRCAT(new_ei, what); |
| 694 | 8230 set_string_option_direct((char_u *)"ei", -1, new_ei, |
| 8231 OPT_FREE, SID_NONE); | |
| 123 | 8232 vim_free(new_ei); |
| 8233 } | |
| 8234 } | |
| 8235 return save_ei; | |
| 8236 } | |
| 8237 | |
| 8238 void | |
|
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parents:
7801
diff
changeset
|
8239 au_event_restore(char_u *old_ei) |
| 123 | 8240 { |
| 8241 if (old_ei != NULL) | |
| 8242 { | |
| 694 | 8243 set_string_option_direct((char_u *)"ei", -1, old_ei, |
| 8244 OPT_FREE, SID_NONE); | |
| 123 | 8245 vim_free(old_ei); |
| 8246 } | |
| 8247 } | |
| 8248 # endif /* FEAT_SYN_HL */ | |
| 8249 | |
| 7 | 8250 /* |
| 8251 * do_autocmd() -- implements the :autocmd command. Can be used in the | |
| 8252 * following ways: | |
| 8253 * | |
| 8254 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that | |
| 8255 * will be automatically executed for <event> | |
| 8256 * when editing a file matching <pat>, in | |
| 8257 * the current group. | |
| 8258 * :autocmd <event> <pat> Show the auto-commands associated with | |
| 8259 * <event> and <pat>. | |
| 8260 * :autocmd <event> Show the auto-commands associated with | |
| 8261 * <event>. | |
| 8262 * :autocmd Show all auto-commands. | |
| 8263 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with | |
| 8264 * <event> and <pat>, and add the command | |
| 8265 * <cmd>, for the current group. | |
| 8266 * :autocmd! <event> <pat> Remove all auto-commands associated with | |
| 8267 * <event> and <pat> for the current group. | |
| 8268 * :autocmd! <event> Remove all auto-commands associated with | |
| 8269 * <event> for the current group. | |
| 8270 * :autocmd! Remove ALL auto-commands for the current | |
| 8271 * group. | |
| 8272 * | |
| 8273 * Multiple events and patterns may be given separated by commas. Here are | |
| 8274 * some examples: | |
| 8275 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic | |
| 8276 * :autocmd bufleave * set tw=79 nosmartindent ic infercase | |
| 8277 * | |
| 8278 * :autocmd * *.c show all autocommands for *.c files. | |
| 609 | 8279 * |
| 8280 * Mostly a {group} argument can optionally appear before <event>. | |
| 7 | 8281 */ |
| 8282 void | |
|
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parents:
7801
diff
changeset
|
8283 do_autocmd(char_u *arg, int forceit) |
| 7 | 8284 { |
| 8285 char_u *pat; | |
| 8286 char_u *envpat = NULL; | |
| 8287 char_u *cmd; | |
| 661 | 8288 event_T event; |
| 7 | 8289 int need_free = FALSE; |
| 8290 int nested = FALSE; | |
| 8291 int group; | |
| 8292 | |
| 8293 /* | |
| 8294 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8295 */ | |
| 8296 group = au_get_grouparg(&arg); | |
| 8297 if (arg == NULL) /* out of memory */ | |
| 8298 return; | |
| 8299 | |
| 8300 /* | |
| 8301 * Scan over the events. | |
| 8302 * If we find an illegal name, return here, don't do anything. | |
| 8303 */ | |
| 8304 pat = find_end_event(arg, group != AUGROUP_ALL); | |
| 8305 if (pat == NULL) | |
| 8306 return; | |
| 8307 | |
| 8308 /* | |
| 8309 * Scan over the pattern. Put a NUL at the end. | |
| 8310 */ | |
| 8311 pat = skipwhite(pat); | |
| 8312 cmd = pat; | |
| 8313 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\')) | |
| 8314 cmd++; | |
| 8315 if (*cmd) | |
| 8316 *cmd++ = NUL; | |
| 8317 | |
| 8318 /* Expand environment variables in the pattern. Set 'shellslash', we want | |
| 8319 * forward slashes here. */ | |
| 8320 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL) | |
| 8321 { | |
| 8322 #ifdef BACKSLASH_IN_FILENAME | |
| 8323 int p_ssl_save = p_ssl; | |
| 8324 | |
| 8325 p_ssl = TRUE; | |
| 8326 #endif | |
| 8327 envpat = expand_env_save(pat); | |
| 8328 #ifdef BACKSLASH_IN_FILENAME | |
| 8329 p_ssl = p_ssl_save; | |
| 8330 #endif | |
| 8331 if (envpat != NULL) | |
| 8332 pat = envpat; | |
| 8333 } | |
| 8334 | |
| 8335 /* | |
| 8336 * Check for "nested" flag. | |
| 8337 */ | |
| 8338 cmd = skipwhite(cmd); | |
| 8339 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6])) | |
| 8340 { | |
| 8341 nested = TRUE; | |
| 8342 cmd = skipwhite(cmd + 6); | |
| 8343 } | |
| 8344 | |
| 8345 /* | |
| 8346 * Find the start of the commands. | |
| 8347 * Expand <sfile> in it. | |
| 8348 */ | |
| 8349 if (*cmd != NUL) | |
| 8350 { | |
| 8351 cmd = expand_sfile(cmd); | |
| 8352 if (cmd == NULL) /* some error */ | |
| 8353 return; | |
| 8354 need_free = TRUE; | |
| 8355 } | |
| 8356 | |
| 8357 /* | |
| 8358 * Print header when showing autocommands. | |
| 8359 */ | |
| 8360 if (!forceit && *cmd == NUL) | |
| 8361 { | |
| 8362 /* Highlight title */ | |
| 8363 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---")); | |
| 8364 } | |
| 8365 | |
| 8366 /* | |
| 8367 * Loop over the events. | |
| 8368 */ | |
| 661 | 8369 last_event = (event_T)-1; /* for listing the event name */ |
| 7 | 8370 last_group = AUGROUP_ERROR; /* for listing the group name */ |
| 8371 if (*arg == '*' || *arg == NUL) | |
| 8372 { | |
| 661 | 8373 for (event = (event_T)0; (int)event < (int)NUM_EVENTS; |
| 8374 event = (event_T)((int)event + 1)) | |
| 7 | 8375 if (do_autocmd_event(event, pat, |
| 8376 nested, cmd, forceit, group) == FAIL) | |
| 8377 break; | |
| 8378 } | |
| 8379 else | |
| 8380 { | |
| 8381 while (*arg && !vim_iswhite(*arg)) | |
| 8382 if (do_autocmd_event(event_name2nr(arg, &arg), pat, | |
| 8383 nested, cmd, forceit, group) == FAIL) | |
| 8384 break; | |
| 8385 } | |
| 8386 | |
| 8387 if (need_free) | |
| 8388 vim_free(cmd); | |
| 8389 vim_free(envpat); | |
| 8390 } | |
| 8391 | |
| 8392 /* | |
| 8393 * Find the group ID in a ":autocmd" or ":doautocmd" argument. | |
| 8394 * The "argp" argument is advanced to the following argument. | |
| 8395 * | |
| 8396 * Returns the group ID, AUGROUP_ERROR for error (out of memory). | |
| 8397 */ | |
| 8398 static int | |
|
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parents:
7801
diff
changeset
|
8399 au_get_grouparg(char_u **argp) |
| 7 | 8400 { |
| 8401 char_u *group_name; | |
| 8402 char_u *p; | |
| 8403 char_u *arg = *argp; | |
| 8404 int group = AUGROUP_ALL; | |
| 8405 | |
| 8406 p = skiptowhite(arg); | |
| 8407 if (p > arg) | |
| 8408 { | |
| 8409 group_name = vim_strnsave(arg, (int)(p - arg)); | |
| 8410 if (group_name == NULL) /* out of memory */ | |
| 8411 return AUGROUP_ERROR; | |
| 8412 group = au_find_group(group_name); | |
| 8413 if (group == AUGROUP_ERROR) | |
| 8414 group = AUGROUP_ALL; /* no match, use all groups */ | |
| 8415 else | |
| 8416 *argp = skipwhite(p); /* match, skip over group name */ | |
| 8417 vim_free(group_name); | |
| 8418 } | |
| 8419 return group; | |
| 8420 } | |
| 8421 | |
| 8422 /* | |
| 8423 * do_autocmd() for one event. | |
| 8424 * If *pat == NUL do for all patterns. | |
| 8425 * If *cmd == NUL show entries. | |
| 8426 * If forceit == TRUE delete entries. | |
| 8427 * If group is not AUGROUP_ALL, only use this group. | |
| 8428 */ | |
| 8429 static int | |
|
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parents:
7801
diff
changeset
|
8430 do_autocmd_event( |
|
f86adafb28d4
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parents:
7801
diff
changeset
|
8431 event_T event, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8432 char_u *pat, |
|
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8433 int nested, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8434 char_u *cmd, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8435 int forceit, |
|
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8436 int group) |
| 7 | 8437 { |
| 8438 AutoPat *ap; | |
| 8439 AutoPat **prev_ap; | |
| 8440 AutoCmd *ac; | |
| 8441 AutoCmd **prev_ac; | |
| 8442 int brace_level; | |
| 8443 char_u *endpat; | |
| 8444 int findgroup; | |
| 8445 int allgroups; | |
| 8446 int patlen; | |
| 856 | 8447 int is_buflocal; |
| 40 | 8448 int buflocal_nr; |
| 8449 char_u buflocal_pat[25]; /* for "<buffer=X>" */ | |
| 7 | 8450 |
| 8451 if (group == AUGROUP_ALL) | |
| 8452 findgroup = current_augroup; | |
| 8453 else | |
| 8454 findgroup = group; | |
| 8455 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL); | |
| 8456 | |
| 8457 /* | |
| 8458 * Show or delete all patterns for an event. | |
| 8459 */ | |
| 8460 if (*pat == NUL) | |
| 8461 { | |
| 8462 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 8463 { | |
| 8464 if (forceit) /* delete the AutoPat, if it's in the current group */ | |
| 8465 { | |
| 8466 if (ap->group == findgroup) | |
| 8467 au_remove_pat(ap); | |
| 8468 } | |
| 8469 else if (group == AUGROUP_ALL || ap->group == group) | |
| 8470 show_autocmd(ap, event); | |
| 8471 } | |
| 8472 } | |
| 8473 | |
| 8474 /* | |
| 8475 * Loop through all the specified patterns. | |
| 8476 */ | |
| 8477 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat)) | |
| 8478 { | |
| 8479 /* | |
| 8480 * Find end of the pattern. | |
| 8481 * Watch out for a comma in braces, like "*.\{obj,o\}". | |
| 8482 */ | |
| 8483 brace_level = 0; | |
| 8484 for (endpat = pat; *endpat && (*endpat != ',' || brace_level | |
| 6963 | 8485 || (endpat > pat && endpat[-1] == '\\')); ++endpat) |
| 7 | 8486 { |
| 8487 if (*endpat == '{') | |
| 8488 brace_level++; | |
| 8489 else if (*endpat == '}') | |
| 8490 brace_level--; | |
| 8491 } | |
| 8492 if (pat == endpat) /* ignore single comma */ | |
| 8493 continue; | |
| 8494 patlen = (int)(endpat - pat); | |
| 8495 | |
| 8496 /* | |
| 40 | 8497 * detect special <buflocal[=X]> buffer-local patterns |
| 8498 */ | |
| 8499 is_buflocal = FALSE; | |
| 8500 buflocal_nr = 0; | |
| 8501 | |
| 6623 | 8502 if (patlen >= 8 && STRNCMP(pat, "<buffer", 7) == 0 |
| 40 | 8503 && pat[patlen - 1] == '>') |
| 8504 { | |
| 6623 | 8505 /* "<buffer...>": Error will be printed only for addition. |
| 8506 * printing and removing will proceed silently. */ | |
| 40 | 8507 is_buflocal = TRUE; |
| 8508 if (patlen == 8) | |
| 6623 | 8509 /* "<buffer>" */ |
| 40 | 8510 buflocal_nr = curbuf->b_fnum; |
| 8511 else if (patlen > 9 && pat[7] == '=') | |
| 8512 { | |
| 6623 | 8513 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13) == 0) |
| 8514 /* "<buffer=abuf>" */ | |
| 40 | 8515 buflocal_nr = autocmd_bufnr; |
| 8516 else if (skipdigits(pat + 8) == pat + patlen - 1) | |
| 6623 | 8517 /* "<buffer=123>" */ |
| 40 | 8518 buflocal_nr = atoi((char *)pat + 8); |
| 8519 } | |
| 8520 } | |
| 8521 | |
| 8522 if (is_buflocal) | |
| 8523 { | |
| 8524 /* normalize pat into standard "<buffer>#N" form */ | |
| 8525 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr); | |
| 8526 pat = buflocal_pat; /* can modify pat and patlen */ | |
| 835 | 8527 patlen = (int)STRLEN(buflocal_pat); /* but not endpat */ |
| 40 | 8528 } |
| 8529 | |
| 8530 /* | |
| 7 | 8531 * Find AutoPat entries with this pattern. |
| 8532 */ | |
| 8533 prev_ap = &first_autopat[(int)event]; | |
| 8534 while ((ap = *prev_ap) != NULL) | |
| 8535 { | |
| 8536 if (ap->pat != NULL) | |
| 8537 { | |
| 8538 /* Accept a pattern when: | |
| 8539 * - a group was specified and it's that group, or a group was | |
| 8540 * not specified and it's the current group, or a group was | |
| 8541 * not specified and we are listing | |
| 8542 * - the length of the pattern matches | |
| 40 | 8543 * - the pattern matches. |
| 8544 * For <buffer[=X]>, this condition works because we normalize | |
| 8545 * all buffer-local patterns. | |
| 7 | 8546 */ |
| 8547 if ((allgroups || ap->group == findgroup) | |
| 8548 && ap->patlen == patlen | |
| 8549 && STRNCMP(pat, ap->pat, patlen) == 0) | |
| 8550 { | |
| 8551 /* | |
| 8552 * Remove existing autocommands. | |
| 8553 * If adding any new autocmd's for this AutoPat, don't | |
| 8554 * delete the pattern from the autopat list, append to | |
| 8555 * this list. | |
| 8556 */ | |
| 8557 if (forceit) | |
| 8558 { | |
| 8559 if (*cmd != NUL && ap->next == NULL) | |
| 8560 { | |
| 8561 au_remove_cmds(ap); | |
| 8562 break; | |
| 8563 } | |
| 8564 au_remove_pat(ap); | |
| 8565 } | |
| 8566 | |
| 8567 /* | |
| 40 | 8568 * Show autocmd's for this autopat, or buflocals <buffer=X> |
| 7 | 8569 */ |
| 8570 else if (*cmd == NUL) | |
| 8571 show_autocmd(ap, event); | |
| 8572 | |
| 8573 /* | |
| 8574 * Add autocmd to this autopat, if it's the last one. | |
| 8575 */ | |
| 8576 else if (ap->next == NULL) | |
| 8577 break; | |
| 8578 } | |
| 8579 } | |
| 8580 prev_ap = &ap->next; | |
| 8581 } | |
| 8582 | |
| 8583 /* | |
| 8584 * Add a new command. | |
| 8585 */ | |
| 8586 if (*cmd != NUL) | |
| 8587 { | |
| 8588 /* | |
| 8589 * If the pattern we want to add a command to does appear at the | |
| 8590 * end of the list (or not is not in the list at all), add the | |
| 8591 * pattern at the end of the list. | |
| 8592 */ | |
| 8593 if (ap == NULL) | |
| 8594 { | |
| 40 | 8595 /* refuse to add buffer-local ap if buffer number is invalid */ |
| 8596 if (is_buflocal && (buflocal_nr == 0 | |
| 8597 || buflist_findnr(buflocal_nr) == NULL)) | |
| 8598 { | |
| 8599 EMSGN(_("E680: <buffer=%d>: invalid buffer number "), | |
| 8600 buflocal_nr); | |
| 8601 return FAIL; | |
| 8602 } | |
| 8603 | |
| 7 | 8604 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat)); |
| 8605 if (ap == NULL) | |
| 8606 return FAIL; | |
| 8607 ap->pat = vim_strnsave(pat, patlen); | |
| 8608 ap->patlen = patlen; | |
| 8609 if (ap->pat == NULL) | |
| 8610 { | |
| 8611 vim_free(ap); | |
| 8612 return FAIL; | |
| 8613 } | |
| 40 | 8614 |
| 8615 if (is_buflocal) | |
| 8616 { | |
| 8617 ap->buflocal_nr = buflocal_nr; | |
| 153 | 8618 ap->reg_prog = NULL; |
| 40 | 8619 } |
| 8620 else | |
| 7 | 8621 { |
| 153 | 8622 char_u *reg_pat; |
| 8623 | |
| 40 | 8624 ap->buflocal_nr = 0; |
| 153 | 8625 reg_pat = file_pat_to_reg_pat(pat, endpat, |
| 40 | 8626 &ap->allow_dirs, TRUE); |
| 153 | 8627 if (reg_pat != NULL) |
| 8628 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC); | |
| 355 | 8629 vim_free(reg_pat); |
| 153 | 8630 if (reg_pat == NULL || ap->reg_prog == NULL) |
| 40 | 8631 { |
| 8632 vim_free(ap->pat); | |
| 8633 vim_free(ap); | |
| 8634 return FAIL; | |
| 8635 } | |
| 7 | 8636 } |
| 8637 ap->cmds = NULL; | |
| 8638 *prev_ap = ap; | |
| 8639 ap->next = NULL; | |
| 8640 if (group == AUGROUP_ALL) | |
| 8641 ap->group = current_augroup; | |
| 8642 else | |
| 8643 ap->group = group; | |
| 8644 } | |
| 8645 | |
| 8646 /* | |
| 8647 * Add the autocmd at the end of the AutoCmd list. | |
| 8648 */ | |
| 8649 prev_ac = &(ap->cmds); | |
| 8650 while ((ac = *prev_ac) != NULL) | |
| 8651 prev_ac = &ac->next; | |
| 8652 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd)); | |
| 8653 if (ac == NULL) | |
| 8654 return FAIL; | |
| 8655 ac->cmd = vim_strsave(cmd); | |
| 8656 #ifdef FEAT_EVAL | |
| 8657 ac->scriptID = current_SID; | |
| 8658 #endif | |
| 8659 if (ac->cmd == NULL) | |
| 8660 { | |
| 8661 vim_free(ac); | |
| 8662 return FAIL; | |
| 8663 } | |
| 8664 ac->next = NULL; | |
| 8665 *prev_ac = ac; | |
| 8666 ac->nested = nested; | |
| 8667 } | |
| 8668 } | |
| 8669 | |
| 8670 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 8671 return OK; | |
| 8672 } | |
| 8673 | |
| 8674 /* | |
| 8675 * Implementation of ":doautocmd [group] event [fname]". | |
| 8676 * Return OK for success, FAIL for failure; | |
| 8677 */ | |
| 8678 int | |
|
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parents:
7801
diff
changeset
|
8679 do_doautocmd( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
8680 char_u *arg, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8681 int do_msg) /* give message for no matching autocmds? */ |
| 7 | 8682 { |
| 8683 char_u *fname; | |
| 8684 int nothing_done = TRUE; | |
| 8685 int group; | |
| 8686 | |
| 8687 /* | |
| 8688 * Check for a legal group name. If not, use AUGROUP_ALL. | |
| 8689 */ | |
| 8690 group = au_get_grouparg(&arg); | |
| 8691 if (arg == NULL) /* out of memory */ | |
| 8692 return FAIL; | |
| 8693 | |
| 8694 if (*arg == '*') | |
| 8695 { | |
| 8696 EMSG(_("E217: Can't execute autocommands for ALL events")); | |
| 8697 return FAIL; | |
| 8698 } | |
| 8699 | |
| 8700 /* | |
| 8701 * Scan over the events. | |
| 8702 * If we find an illegal name, return here, don't do anything. | |
| 8703 */ | |
| 8704 fname = find_end_event(arg, group != AUGROUP_ALL); | |
| 8705 if (fname == NULL) | |
| 8706 return FAIL; | |
| 8707 | |
| 8708 fname = skipwhite(fname); | |
| 8709 | |
| 8710 /* | |
| 8711 * Loop over the events. | |
| 8712 */ | |
| 8713 while (*arg && !vim_iswhite(*arg)) | |
| 8714 if (apply_autocmds_group(event_name2nr(arg, &arg), | |
| 8715 fname, NULL, TRUE, group, curbuf, NULL)) | |
| 8716 nothing_done = FALSE; | |
| 8717 | |
| 8718 if (nothing_done && do_msg) | |
| 8719 MSG(_("No matching autocommands")); | |
| 8720 | |
| 8721 #ifdef FEAT_EVAL | |
| 8722 return aborting() ? FAIL : OK; | |
| 8723 #else | |
| 8724 return OK; | |
| 8725 #endif | |
| 8726 } | |
| 8727 | |
| 8728 /* | |
| 8729 * ":doautoall": execute autocommands for each loaded buffer. | |
| 8730 */ | |
| 8731 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
8732 ex_doautoall(exarg_T *eap) |
| 7 | 8733 { |
| 8734 int retval; | |
| 8735 aco_save_T aco; | |
| 8736 buf_T *buf; | |
| 3342 | 8737 char_u *arg = eap->arg; |
| 3350 | 8738 int call_do_modelines = check_nomodeline(&arg); |
| 7 | 8739 |
| 8740 /* | |
| 8741 * This is a bit tricky: For some commands curwin->w_buffer needs to be | |
| 8742 * equal to curbuf, but for some buffers there may not be a window. | |
| 8743 * So we change the buffer for the current window for a moment. This | |
| 8744 * gives problems when the autocommands make changes to the list of | |
| 8745 * buffers or windows... | |
| 8746 */ | |
| 8747 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 8748 { | |
| 1665 | 8749 if (buf->b_ml.ml_mfp != NULL) |
| 7 | 8750 { |
| 8751 /* find a window for this buffer and save some values */ | |
| 8752 aucmd_prepbuf(&aco, buf); | |
| 8753 | |
| 8754 /* execute the autocommands for this buffer */ | |
| 3342 | 8755 retval = do_doautocmd(arg, FALSE); |
| 8756 | |
| 8757 if (call_do_modelines) | |
| 8758 { | |
| 8759 /* Execute the modeline settings, but don't set window-local | |
| 8760 * options if we are using the current window for another | |
| 8761 * buffer. */ | |
| 8762 do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0); | |
| 8763 } | |
| 7 | 8764 |
| 8765 /* restore the current window */ | |
| 8766 aucmd_restbuf(&aco); | |
| 8767 | |
| 8768 /* stop if there is some error or buffer was deleted */ | |
| 8769 if (retval == FAIL || !buf_valid(buf)) | |
| 8770 break; | |
| 8771 } | |
| 8772 } | |
| 8773 | |
| 8774 check_cursor(); /* just in case lines got deleted */ | |
| 8775 } | |
| 8776 | |
| 8777 /* | |
| 3350 | 8778 * Check *argp for <nomodeline>. When it is present return FALSE, otherwise |
| 8779 * return TRUE and advance *argp to after it. | |
| 8780 * Thus return TRUE when do_modelines() should be called. | |
| 8781 */ | |
| 8782 int | |
|
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parents:
7801
diff
changeset
|
8783 check_nomodeline(char_u **argp) |
| 3350 | 8784 { |
| 8785 if (STRNCMP(*argp, "<nomodeline>", 12) == 0) | |
| 8786 { | |
| 8787 *argp = skipwhite(*argp + 12); | |
| 8788 return FALSE; | |
| 8789 } | |
| 8790 return TRUE; | |
| 8791 } | |
| 8792 | |
| 8793 /* | |
| 7 | 8794 * Prepare for executing autocommands for (hidden) buffer "buf". |
| 1906 | 8795 * Search for a visible window containing the current buffer. If there isn't |
| 8796 * one then use "aucmd_win". | |
| 7 | 8797 * Set "curbuf" and "curwin" to match "buf". |
| 934 | 8798 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8799 */ |
| 8800 void | |
|
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parents:
7801
diff
changeset
|
8801 aucmd_prepbuf( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
8802 aco_save_T *aco, /* structure to save values in */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
8803 buf_T *buf) /* new curbuf */ |
| 7 | 8804 { |
| 8805 win_T *win; | |
| 1906 | 8806 #ifdef FEAT_WINDOWS |
| 8807 int save_ea; | |
| 8808 #endif | |
|
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|
8809 #ifdef FEAT_AUTOCHDIR |
|
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5259
diff
changeset
|
8810 int save_acd; |
|
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diff
changeset
|
8811 #endif |
| 7 | 8812 |
| 8813 /* Find a window that is for the new buffer */ | |
| 8814 if (buf == curbuf) /* be quick when buf is curbuf */ | |
| 8815 win = curwin; | |
| 8816 else | |
| 8817 #ifdef FEAT_WINDOWS | |
| 8818 for (win = firstwin; win != NULL; win = win->w_next) | |
| 8819 if (win->w_buffer == buf) | |
| 8820 break; | |
| 8821 #else | |
| 8822 win = NULL; | |
| 8823 #endif | |
| 8824 | |
| 1906 | 8825 /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall |
| 8826 * back to using the current window. */ | |
| 8827 if (win == NULL && aucmd_win == NULL) | |
| 8828 { | |
| 8829 win_alloc_aucmd_win(); | |
| 8830 if (aucmd_win == NULL) | |
| 8831 win = curwin; | |
| 8832 } | |
| 1944 | 8833 if (win == NULL && aucmd_win_used) |
| 8834 /* Strange recursive autocommand, fall back to using the current | |
| 8835 * window. Expect a few side effects... */ | |
| 8836 win = curwin; | |
| 1906 | 8837 |
| 8838 aco->save_curwin = curwin; | |
| 8839 aco->save_curbuf = curbuf; | |
| 7 | 8840 if (win != NULL) |
| 8841 { | |
| 1906 | 8842 /* There is a window for "buf" in the current tab page, make it the |
| 8843 * curwin. This is preferred, it has the least side effects (esp. if | |
| 8844 * "buf" is curbuf). */ | |
| 1944 | 8845 aco->use_aucmd_win = FALSE; |
| 7 | 8846 curwin = win; |
| 8847 } | |
| 8848 else | |
| 8849 { | |
| 1906 | 8850 /* There is no window for "buf", use "aucmd_win". To minimize the side |
| 4352 | 8851 * effects, insert it in the current tab page. |
| 1906 | 8852 * Anything related to a window (e.g., setting folds) may have |
| 8853 * unexpected results. */ | |
| 1944 | 8854 aco->use_aucmd_win = TRUE; |
| 8855 aucmd_win_used = TRUE; | |
| 1918 | 8856 aucmd_win->w_buffer = buf; |
|
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|
8857 aucmd_win->w_s = &buf->b_s; |
| 7 | 8858 ++buf->b_nwindows; |
| 1918 | 8859 win_init_empty(aucmd_win); /* set cursor and topline to safe values */ |
| 1944 | 8860 |
| 8861 /* Make sure w_localdir and globaldir are NULL to avoid a chdir() in | |
| 8862 * win_enter_ext(). */ | |
|
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|
8863 vim_free(aucmd_win->w_localdir); |
| 1944 | 8864 aucmd_win->w_localdir = NULL; |
| 8865 aco->globaldir = globaldir; | |
| 8866 globaldir = NULL; | |
| 8867 | |
| 7 | 8868 |
| 1906 | 8869 #ifdef FEAT_WINDOWS |
| 1923 | 8870 /* Split the current window, put the aucmd_win in the upper half. |
| 8871 * We don't want the BufEnter or WinEnter autocommands. */ | |
| 8872 block_autocmds(); | |
| 1906 | 8873 make_snapshot(SNAP_AUCMD_IDX); |
| 8874 save_ea = p_ea; | |
| 8875 p_ea = FALSE; | |
|
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|
8876 |
|
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|
8877 # ifdef FEAT_AUTOCHDIR |
|
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|
8878 /* Prevent chdir() call in win_enter_ext(), through do_autochdir(). */ |
|
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|
8879 save_acd = p_acd; |
|
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|
8880 p_acd = FALSE; |
|
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8881 # endif |
|
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|
8882 |
| 1906 | 8883 (void)win_split_ins(0, WSP_TOP, aucmd_win, 0); |
| 8884 (void)win_comp_pos(); /* recompute window positions */ | |
| 8885 p_ea = save_ea; | |
|
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8886 # ifdef FEAT_AUTOCHDIR |
|
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8887 p_acd = save_acd; |
|
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|
8888 # endif |
| 1923 | 8889 unblock_autocmds(); |
| 1906 | 8890 #endif |
| 1918 | 8891 curwin = aucmd_win; |
| 1906 | 8892 } |
| 7 | 8893 curbuf = buf; |
| 1906 | 8894 aco->new_curwin = curwin; |
| 8895 aco->new_curbuf = curbuf; | |
| 7 | 8896 } |
| 8897 | |
| 8898 /* | |
| 8899 * Cleanup after executing autocommands for a (hidden) buffer. | |
| 8900 * Restore the window as it was (if possible). | |
| 934 | 8901 * When FEAT_AUTOCMD is not defined another version is used, see below. |
| 7 | 8902 */ |
| 8903 void | |
|
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|
8904 aucmd_restbuf( |
|
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changeset
|
8905 aco_save_T *aco) /* structure holding saved values */ |
| 7 | 8906 { |
| 1906 | 8907 #ifdef FEAT_WINDOWS |
| 8908 int dummy; | |
| 8909 #endif | |
| 8910 | |
| 1944 | 8911 if (aco->use_aucmd_win) |
| 1906 | 8912 { |
| 8913 --curbuf->b_nwindows; | |
| 8914 #ifdef FEAT_WINDOWS | |
| 8915 /* Find "aucmd_win", it can't be closed, but it may be in another tab | |
| 1923 | 8916 * page. Do not trigger autocommands here. */ |
| 8917 block_autocmds(); | |
| 1906 | 8918 if (curwin != aucmd_win) |
| 8919 { | |
| 8920 tabpage_T *tp; | |
| 8921 win_T *wp; | |
| 8922 | |
| 8923 FOR_ALL_TAB_WINDOWS(tp, wp) | |
| 8924 { | |
| 8925 if (wp == aucmd_win) | |
| 8926 { | |
| 8927 if (tp != curtab) | |
| 4354 | 8928 goto_tabpage_tp(tp, TRUE, TRUE); |
| 1906 | 8929 win_goto(aucmd_win); |
| 3340 | 8930 goto win_found; |
| 1906 | 8931 } |
| 8932 } | |
| 8933 } | |
| 3340 | 8934 win_found: |
| 1906 | 8935 |
| 8936 /* Remove the window and frame from the tree of frames. */ | |
| 8937 (void)winframe_remove(curwin, &dummy, NULL); | |
| 8938 win_remove(curwin, NULL); | |
| 1944 | 8939 aucmd_win_used = FALSE; |
| 1906 | 8940 last_status(FALSE); /* may need to remove last status line */ |
| 8941 restore_snapshot(SNAP_AUCMD_IDX, FALSE); | |
| 8942 (void)win_comp_pos(); /* recompute window positions */ | |
| 1923 | 8943 unblock_autocmds(); |
| 1906 | 8944 |
| 8945 if (win_valid(aco->save_curwin)) | |
| 8946 curwin = aco->save_curwin; | |
| 8947 else | |
| 8948 /* Hmm, original window disappeared. Just use the first one. */ | |
| 8949 curwin = firstwin; | |
| 8950 # ifdef FEAT_EVAL | |
| 4287 | 8951 vars_clear(&aucmd_win->w_vars->dv_hashtab); /* free all w: variables */ |
| 8952 hash_init(&aucmd_win->w_vars->dv_hashtab); /* re-use the hashtab */ | |
| 1906 | 8953 # endif |
| 8954 #else | |
| 8955 curwin = aco->save_curwin; | |
| 8956 #endif | |
| 8957 curbuf = curwin->w_buffer; | |
| 8958 | |
| 1944 | 8959 vim_free(globaldir); |
| 8960 globaldir = aco->globaldir; | |
| 8961 | |
| 1906 | 8962 /* the buffer contents may have changed */ |
| 8963 check_cursor(); | |
| 8964 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 8965 { | |
| 8966 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 8967 #ifdef FEAT_DIFF | |
| 8968 curwin->w_topfill = 0; | |
| 8969 #endif | |
| 8970 } | |
| 8971 #if defined(FEAT_GUI) | |
| 8972 /* Hide the scrollbars from the aucmd_win and update. */ | |
| 8973 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE); | |
| 8974 gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE); | |
| 8975 gui_may_update_scrollbars(); | |
| 8976 #endif | |
| 8977 } | |
| 8978 else | |
| 7 | 8979 { |
| 8980 /* restore curwin */ | |
| 8981 #ifdef FEAT_WINDOWS | |
| 8982 if (win_valid(aco->save_curwin)) | |
| 8983 #endif | |
| 8984 { | |
| 1906 | 8985 /* Restore the buffer which was previously edited by curwin, if |
| 1944 | 8986 * it was changed, we are still the same window and the buffer is |
| 1906 | 8987 * valid. */ |
| 7 | 8988 if (curwin == aco->new_curwin |
| 1906 | 8989 && curbuf != aco->new_curbuf |
| 8990 && buf_valid(aco->new_curbuf) | |
| 8991 && aco->new_curbuf->b_ml.ml_mfp != NULL) | |
| 7 | 8992 { |
| 3497 | 8993 # if defined(FEAT_SYN_HL) || defined(FEAT_SPELL) |
| 8994 if (curwin->w_s == &curbuf->b_s) | |
| 8995 curwin->w_s = &aco->new_curbuf->b_s; | |
| 8996 # endif | |
| 7 | 8997 --curbuf->b_nwindows; |
| 1906 | 8998 curbuf = aco->new_curbuf; |
| 7 | 8999 curwin->w_buffer = curbuf; |
| 9000 ++curbuf->b_nwindows; | |
| 9001 } | |
| 9002 | |
| 9003 curwin = aco->save_curwin; | |
| 9004 curbuf = curwin->w_buffer; | |
| 6201 | 9005 /* In case the autocommand move the cursor to a position that that |
| 9006 * not exist in curbuf. */ | |
| 9007 check_cursor(); | |
| 7 | 9008 } |
| 9009 } | |
| 9010 } | |
| 9011 | |
| 9012 static int autocmd_nested = FALSE; | |
| 9013 | |
| 9014 /* | |
| 9015 * Execute autocommands for "event" and file name "fname". | |
| 9016 * Return TRUE if some commands were executed. | |
| 9017 */ | |
| 9018 int | |
|
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|
9019 apply_autocmds( |
|
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|
9020 event_T event, |
|
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|
9021 char_u *fname, /* NULL or empty means use actual file name */ |
|
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|
9022 char_u *fname_io, /* fname to use for <afile> on cmdline */ |
|
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|
9023 int force, /* when TRUE, ignore autocmd_busy */ |
|
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|
9024 buf_T *buf) /* buffer for <abuf> */ |
| 7 | 9025 { |
| 9026 return apply_autocmds_group(event, fname, fname_io, force, | |
| 9027 AUGROUP_ALL, buf, NULL); | |
| 9028 } | |
| 9029 | |
| 9030 /* | |
| 9031 * Like apply_autocmds(), but with extra "eap" argument. This takes care of | |
| 9032 * setting v:filearg. | |
| 9033 */ | |
| 9034 static int | |
|
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|
9035 apply_autocmds_exarg( |
|
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|
9036 event_T event, |
|
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|
9037 char_u *fname, |
|
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|
9038 char_u *fname_io, |
|
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|
9039 int force, |
|
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|
9040 buf_T *buf, |
|
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|
9041 exarg_T *eap) |
| 7 | 9042 { |
| 9043 return apply_autocmds_group(event, fname, fname_io, force, | |
| 9044 AUGROUP_ALL, buf, eap); | |
| 9045 } | |
| 9046 | |
| 9047 /* | |
| 9048 * Like apply_autocmds(), but handles the caller's retval. If the script | |
| 9049 * processing is being aborted or if retval is FAIL when inside a try | |
| 9050 * conditional, no autocommands are executed. If otherwise the autocommands | |
| 9051 * cause the script to be aborted, retval is set to FAIL. | |
| 9052 */ | |
| 9053 int | |
|
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|
9054 apply_autocmds_retval( |
|
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|
9055 event_T event, |
|
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|
9056 char_u *fname, /* NULL or empty means use actual file name */ |
|
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|
9057 char_u *fname_io, /* fname to use for <afile> on cmdline */ |
|
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|
9058 int force, /* when TRUE, ignore autocmd_busy */ |
|
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|
9059 buf_T *buf, /* buffer for <abuf> */ |
|
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changeset
|
9060 int *retval) /* pointer to caller's retval */ |
| 7 | 9061 { |
| 9062 int did_cmd; | |
| 9063 | |
| 532 | 9064 #ifdef FEAT_EVAL |
| 7 | 9065 if (should_abort(*retval)) |
| 9066 return FALSE; | |
| 532 | 9067 #endif |
| 7 | 9068 |
| 9069 did_cmd = apply_autocmds_group(event, fname, fname_io, force, | |
| 9070 AUGROUP_ALL, buf, NULL); | |
| 532 | 9071 if (did_cmd |
| 9072 #ifdef FEAT_EVAL | |
| 9073 && aborting() | |
| 9074 #endif | |
| 9075 ) | |
| 7 | 9076 *retval = FAIL; |
| 9077 return did_cmd; | |
| 9078 } | |
| 9079 | |
| 609 | 9080 /* |
| 9081 * Return TRUE when there is a CursorHold autocommand defined. | |
| 9082 */ | |
| 7 | 9083 int |
|
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|
9084 has_cursorhold(void) |
| 7 | 9085 { |
| 661 | 9086 return (first_autopat[(int)(get_real_state() == NORMAL_BUSY |
| 9087 ? EVENT_CURSORHOLD : EVENT_CURSORHOLDI)] != NULL); | |
| 7 | 9088 } |
| 609 | 9089 |
| 9090 /* | |
| 9091 * Return TRUE if the CursorHold event can be triggered. | |
| 9092 */ | |
| 9093 int | |
|
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changeset
|
9094 trigger_cursorhold(void) |
| 609 | 9095 { |
| 661 | 9096 int state; |
| 9097 | |
| 2976 | 9098 if (!did_cursorhold |
| 9099 && has_cursorhold() | |
| 9100 && !Recording | |
| 9101 && typebuf.tb_len == 0 | |
| 978 | 9102 #ifdef FEAT_INS_EXPAND |
| 9103 && !ins_compl_active() | |
| 9104 #endif | |
| 9105 ) | |
| 661 | 9106 { |
| 9107 state = get_real_state(); | |
| 9108 if (state == NORMAL_BUSY || (state & INSERT) != 0) | |
| 9109 return TRUE; | |
| 9110 } | |
| 9111 return FALSE; | |
| 609 | 9112 } |
| 661 | 9113 |
| 9114 /* | |
| 9115 * Return TRUE when there is a CursorMoved autocommand defined. | |
| 9116 */ | |
| 9117 int | |
|
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changeset
|
9118 has_cursormoved(void) |
| 661 | 9119 { |
| 9120 return (first_autopat[(int)EVENT_CURSORMOVED] != NULL); | |
| 9121 } | |
| 9122 | |
| 9123 /* | |
| 9124 * Return TRUE when there is a CursorMovedI autocommand defined. | |
| 9125 */ | |
| 9126 int | |
|
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changeset
|
9127 has_cursormovedI(void) |
| 661 | 9128 { |
| 9129 return (first_autopat[(int)EVENT_CURSORMOVEDI] != NULL); | |
| 9130 } | |
| 7 | 9131 |
| 3390 | 9132 /* |
| 4232 | 9133 * Return TRUE when there is a TextChanged autocommand defined. |
| 9134 */ | |
| 9135 int | |
|
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|
9136 has_textchanged(void) |
| 4232 | 9137 { |
| 9138 return (first_autopat[(int)EVENT_TEXTCHANGED] != NULL); | |
| 9139 } | |
| 9140 | |
| 9141 /* | |
| 9142 * Return TRUE when there is a TextChangedI autocommand defined. | |
| 9143 */ | |
| 9144 int | |
|
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|
9145 has_textchangedI(void) |
| 4232 | 9146 { |
| 9147 return (first_autopat[(int)EVENT_TEXTCHANGEDI] != NULL); | |
| 9148 } | |
| 9149 | |
| 9150 /* | |
| 3390 | 9151 * Return TRUE when there is an InsertCharPre autocommand defined. |
| 9152 */ | |
| 9153 int | |
|
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changeset
|
9154 has_insertcharpre(void) |
| 3390 | 9155 { |
| 9156 return (first_autopat[(int)EVENT_INSERTCHARPRE] != NULL); | |
| 9157 } | |
| 9158 | |
| 6154 | 9159 /* |
| 9160 * Return TRUE when there is an CmdUndefined autocommand defined. | |
| 9161 */ | |
| 9162 int | |
|
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|
9163 has_cmdundefined(void) |
| 6154 | 9164 { |
| 9165 return (first_autopat[(int)EVENT_CMDUNDEFINED] != NULL); | |
| 9166 } | |
| 9167 | |
| 9168 /* | |
| 9169 * Return TRUE when there is an FuncUndefined autocommand defined. | |
| 9170 */ | |
| 9171 int | |
|
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|
9172 has_funcundefined(void) |
| 6154 | 9173 { |
| 9174 return (first_autopat[(int)EVENT_FUNCUNDEFINED] != NULL); | |
| 9175 } | |
| 9176 | |
| 7 | 9177 static int |
|
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f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9178 apply_autocmds_group( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9179 event_T event, |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9180 char_u *fname, /* NULL or empty means use actual file name */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9181 char_u *fname_io, /* fname to use for <afile> on cmdline, NULL means |
| 7 | 9182 use fname */ |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9183 int force, /* when TRUE, ignore autocmd_busy */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9184 int group, /* group ID, or AUGROUP_ALL */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9185 buf_T *buf, /* buffer for <abuf> */ |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9186 exarg_T *eap) /* command arguments */ |
| 7 | 9187 { |
| 9188 char_u *sfname = NULL; /* short file name */ | |
| 9189 char_u *tail; | |
| 9190 int save_changed; | |
| 9191 buf_T *old_curbuf; | |
| 9192 int retval = FALSE; | |
| 9193 char_u *save_sourcing_name; | |
| 9194 linenr_T save_sourcing_lnum; | |
| 9195 char_u *save_autocmd_fname; | |
| 1723 | 9196 int save_autocmd_fname_full; |
| 7 | 9197 int save_autocmd_bufnr; |
| 9198 char_u *save_autocmd_match; | |
| 9199 int save_autocmd_busy; | |
| 9200 int save_autocmd_nested; | |
| 9201 static int nesting = 0; | |
| 9202 AutoPatCmd patcmd; | |
| 9203 AutoPat *ap; | |
| 9204 #ifdef FEAT_EVAL | |
| 9205 scid_T save_current_SID; | |
| 9206 void *save_funccalp; | |
| 9207 char_u *save_cmdarg; | |
| 9208 long save_cmdbang; | |
| 9209 #endif | |
| 9210 static int filechangeshell_busy = FALSE; | |
| 170 | 9211 #ifdef FEAT_PROFILE |
| 9212 proftime_T wait_time; | |
| 9213 #endif | |
| 6608 | 9214 int did_save_redobuff = FALSE; |
| 7 | 9215 |
| 9216 /* | |
| 9217 * Quickly return if there are no autocommands for this event or | |
| 9218 * autocommands are blocked. | |
| 9219 */ | |
| 1410 | 9220 if (first_autopat[(int)event] == NULL || autocmd_blocked > 0) |
| 40 | 9221 goto BYPASS_AU; |
| 7 | 9222 |
| 9223 /* | |
| 9224 * When autocommands are busy, new autocommands are only executed when | |
| 9225 * explicitly enabled with the "nested" flag. | |
| 9226 */ | |
| 9227 if (autocmd_busy && !(force || autocmd_nested)) | |
| 40 | 9228 goto BYPASS_AU; |
| 7 | 9229 |
| 9230 #ifdef FEAT_EVAL | |
| 9231 /* | |
| 1201 | 9232 * Quickly return when immediately aborting on error, or when an interrupt |
| 7 | 9233 * occurred or an exception was thrown but not caught. |
| 9234 */ | |
| 9235 if (aborting()) | |
| 40 | 9236 goto BYPASS_AU; |
| 7 | 9237 #endif |
| 9238 | |
| 9239 /* | |
| 9240 * FileChangedShell never nests, because it can create an endless loop. | |
| 9241 */ | |
| 765 | 9242 if (filechangeshell_busy && (event == EVENT_FILECHANGEDSHELL |
| 9243 || event == EVENT_FILECHANGEDSHELLPOST)) | |
| 40 | 9244 goto BYPASS_AU; |
| 7 | 9245 |
| 9246 /* | |
| 9247 * Ignore events in 'eventignore'. | |
| 9248 */ | |
| 9249 if (event_ignored(event)) | |
| 40 | 9250 goto BYPASS_AU; |
| 7 | 9251 |
| 9252 /* | |
| 9253 * Allow nesting of autocommands, but restrict the depth, because it's | |
| 9254 * possible to create an endless loop. | |
| 9255 */ | |
| 9256 if (nesting == 10) | |
| 9257 { | |
| 9258 EMSG(_("E218: autocommand nesting too deep")); | |
| 40 | 9259 goto BYPASS_AU; |
| 7 | 9260 } |
| 9261 | |
| 9262 /* | |
| 9263 * Check if these autocommands are disabled. Used when doing ":all" or | |
| 9264 * ":ball". | |
| 9265 */ | |
| 9266 if ( (autocmd_no_enter | |
| 9267 && (event == EVENT_WINENTER || event == EVENT_BUFENTER)) | |
| 9268 || (autocmd_no_leave | |
| 9269 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE))) | |
| 40 | 9270 goto BYPASS_AU; |
| 7 | 9271 |
| 9272 /* | |
| 9273 * Save the autocmd_* variables and info about the current buffer. | |
| 9274 */ | |
| 9275 save_autocmd_fname = autocmd_fname; | |
| 1723 | 9276 save_autocmd_fname_full = autocmd_fname_full; |
| 7 | 9277 save_autocmd_bufnr = autocmd_bufnr; |
| 9278 save_autocmd_match = autocmd_match; | |
| 9279 save_autocmd_busy = autocmd_busy; | |
| 9280 save_autocmd_nested = autocmd_nested; | |
| 9281 save_changed = curbuf->b_changed; | |
| 9282 old_curbuf = curbuf; | |
| 9283 | |
| 9284 /* | |
| 9285 * Set the file name to be used for <afile>. | |
| 1471 | 9286 * Make a copy to avoid that changing a buffer name or directory makes it |
| 9287 * invalid. | |
| 7 | 9288 */ |
| 9289 if (fname_io == NULL) | |
| 9290 { | |
| 6935 | 9291 if (event == EVENT_COLORSCHEME || event == EVENT_OPTIONSET) |
| 5521 | 9292 autocmd_fname = NULL; |
| 9293 else if (fname != NULL && *fname != NUL) | |
| 7 | 9294 autocmd_fname = fname; |
| 9295 else if (buf != NULL) | |
| 1723 | 9296 autocmd_fname = buf->b_ffname; |
| 7 | 9297 else |
| 9298 autocmd_fname = NULL; | |
| 9299 } | |
| 9300 else | |
| 9301 autocmd_fname = fname_io; | |
| 1471 | 9302 if (autocmd_fname != NULL) |
| 1723 | 9303 autocmd_fname = vim_strsave(autocmd_fname); |
| 9304 autocmd_fname_full = FALSE; /* call FullName_save() later */ | |
| 7 | 9305 |
| 9306 /* | |
| 9307 * Set the buffer number to be used for <abuf>. | |
| 9308 */ | |
| 9309 if (buf == NULL) | |
| 9310 autocmd_bufnr = 0; | |
| 9311 else | |
| 9312 autocmd_bufnr = buf->b_fnum; | |
| 9313 | |
| 9314 /* | |
| 9315 * When the file name is NULL or empty, use the file name of buffer "buf". | |
| 9316 * Always use the full path of the file name to match with, in case | |
| 9317 * "allow_dirs" is set. | |
| 9318 */ | |
| 9319 if (fname == NULL || *fname == NUL) | |
| 9320 { | |
| 9321 if (buf == NULL) | |
| 9322 fname = NULL; | |
| 9323 else | |
| 9324 { | |
| 9325 #ifdef FEAT_SYN_HL | |
| 9326 if (event == EVENT_SYNTAX) | |
| 9327 fname = buf->b_p_syn; | |
| 9328 else | |
| 9329 #endif | |
| 9330 if (event == EVENT_FILETYPE) | |
| 9331 fname = buf->b_p_ft; | |
| 9332 else | |
| 9333 { | |
| 9334 if (buf->b_sfname != NULL) | |
| 9335 sfname = vim_strsave(buf->b_sfname); | |
| 9336 fname = buf->b_ffname; | |
| 9337 } | |
| 9338 } | |
| 9339 if (fname == NULL) | |
| 9340 fname = (char_u *)""; | |
| 9341 fname = vim_strsave(fname); /* make a copy, so we can change it */ | |
| 9342 } | |
| 9343 else | |
| 9344 { | |
| 9345 sfname = vim_strsave(fname); | |
| 5521 | 9346 /* Don't try expanding FileType, Syntax, FuncUndefined, WindowID, |
| 9347 * ColorScheme or QuickFixCmd* */ | |
| 161 | 9348 if (event == EVENT_FILETYPE |
| 9349 || event == EVENT_SYNTAX | |
| 1867 | 9350 || event == EVENT_FUNCUNDEFINED |
| 161 | 9351 || event == EVENT_REMOTEREPLY |
| 649 | 9352 || event == EVENT_SPELLFILEMISSING |
| 161 | 9353 || event == EVENT_QUICKFIXCMDPRE |
| 5521 | 9354 || event == EVENT_COLORSCHEME |
| 6935 | 9355 || event == EVENT_OPTIONSET |
| 161 | 9356 || event == EVENT_QUICKFIXCMDPOST) |
| 7 | 9357 fname = vim_strsave(fname); |
| 9358 else | |
| 9359 fname = FullName_save(fname, FALSE); | |
| 9360 } | |
| 9361 if (fname == NULL) /* out of memory */ | |
| 9362 { | |
| 9363 vim_free(sfname); | |
| 40 | 9364 retval = FALSE; |
| 9365 goto BYPASS_AU; | |
| 7 | 9366 } |
| 9367 | |
| 9368 #ifdef BACKSLASH_IN_FILENAME | |
| 9369 /* | |
| 9370 * Replace all backslashes with forward slashes. This makes the | |
| 9371 * autocommand patterns portable between Unix and MS-DOS. | |
| 9372 */ | |
| 9373 if (sfname != NULL) | |
| 9374 forward_slash(sfname); | |
| 9375 forward_slash(fname); | |
| 9376 #endif | |
| 9377 | |
| 9378 #ifdef VMS | |
| 9379 /* remove version for correct match */ | |
| 9380 if (sfname != NULL) | |
| 9381 vms_remove_version(sfname); | |
| 9382 vms_remove_version(fname); | |
| 9383 #endif | |
| 9384 | |
| 9385 /* | |
| 9386 * Set the name to be used for <amatch>. | |
| 9387 */ | |
| 9388 autocmd_match = fname; | |
| 9389 | |
| 9390 | |
| 9391 /* Don't redraw while doing auto commands. */ | |
| 9392 ++RedrawingDisabled; | |
| 9393 save_sourcing_name = sourcing_name; | |
| 9394 sourcing_name = NULL; /* don't free this one */ | |
| 9395 save_sourcing_lnum = sourcing_lnum; | |
| 9396 sourcing_lnum = 0; /* no line number here */ | |
| 9397 | |
| 9398 #ifdef FEAT_EVAL | |
| 9399 save_current_SID = current_SID; | |
| 9400 | |
| 170 | 9401 # ifdef FEAT_PROFILE |
| 788 | 9402 if (do_profiling == PROF_YES) |
| 170 | 9403 prof_child_enter(&wait_time); /* doesn't count for the caller itself */ |
| 9404 # endif | |
| 9405 | |
| 7 | 9406 /* Don't use local function variables, if called from a function */ |
| 9407 save_funccalp = save_funccal(); | |
| 9408 #endif | |
| 9409 | |
| 9410 /* | |
| 9411 * When starting to execute autocommands, save the search patterns. | |
| 9412 */ | |
| 9413 if (!autocmd_busy) | |
| 9414 { | |
| 9415 save_search_patterns(); | |
|
7285
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Christian Brabandt <cb@256bit.org>
parents:
7170
diff
changeset
|
9416 #ifdef FEAT_INS_EXPAND |
| 6608 | 9417 if (!ins_compl_active()) |
|
7285
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commit https://github.com/vim/vim/commit/20ad69ccfb60ef718bd26387ef0e5424461a643e
Christian Brabandt <cb@256bit.org>
parents:
7170
diff
changeset
|
9418 #endif |
| 6608 | 9419 { |
| 9420 saveRedobuff(); | |
| 9421 did_save_redobuff = TRUE; | |
| 9422 } | |
| 7 | 9423 did_filetype = keep_filetype; |
| 9424 } | |
| 9425 | |
| 9426 /* | |
| 9427 * Note that we are applying autocmds. Some commands need to know. | |
| 9428 */ | |
| 9429 autocmd_busy = TRUE; | |
| 9430 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL); | |
| 9431 ++nesting; /* see matching decrement below */ | |
| 9432 | |
| 9433 /* Remember that FileType was triggered. Used for did_filetype(). */ | |
| 9434 if (event == EVENT_FILETYPE) | |
| 9435 did_filetype = TRUE; | |
| 9436 | |
| 9437 tail = gettail(fname); | |
| 9438 | |
| 9439 /* Find first autocommand that matches */ | |
| 9440 patcmd.curpat = first_autopat[(int)event]; | |
| 9441 patcmd.nextcmd = NULL; | |
| 9442 patcmd.group = group; | |
| 9443 patcmd.fname = fname; | |
| 9444 patcmd.sfname = sfname; | |
| 9445 patcmd.tail = tail; | |
| 9446 patcmd.event = event; | |
| 40 | 9447 patcmd.arg_bufnr = autocmd_bufnr; |
| 9448 patcmd.next = NULL; | |
| 7 | 9449 auto_next_pat(&patcmd, FALSE); |
| 9450 | |
| 9451 /* found one, start executing the autocommands */ | |
| 9452 if (patcmd.curpat != NULL) | |
| 9453 { | |
| 40 | 9454 /* add to active_apc_list */ |
| 9455 patcmd.next = active_apc_list; | |
| 9456 active_apc_list = &patcmd; | |
| 9457 | |
| 7 | 9458 #ifdef FEAT_EVAL |
| 9459 /* set v:cmdarg (only when there is a matching pattern) */ | |
| 9460 save_cmdbang = get_vim_var_nr(VV_CMDBANG); | |
| 9461 if (eap != NULL) | |
| 9462 { | |
| 9463 save_cmdarg = set_cmdarg(eap, NULL); | |
| 9464 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit); | |
| 9465 } | |
| 9466 else | |
| 9467 save_cmdarg = NULL; /* avoid gcc warning */ | |
| 9468 #endif | |
| 9469 retval = TRUE; | |
| 9470 /* mark the last pattern, to avoid an endless loop when more patterns | |
| 9471 * are added when executing autocommands */ | |
| 9472 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next) | |
| 9473 ap->last = FALSE; | |
| 9474 ap->last = TRUE; | |
| 9475 check_lnums(TRUE); /* make sure cursor and topline are valid */ | |
| 9476 do_cmdline(NULL, getnextac, (void *)&patcmd, | |
| 9477 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); | |
| 9478 #ifdef FEAT_EVAL | |
| 9479 if (eap != NULL) | |
| 9480 { | |
| 9481 (void)set_cmdarg(NULL, save_cmdarg); | |
| 9482 set_vim_var_nr(VV_CMDBANG, save_cmdbang); | |
| 9483 } | |
| 9484 #endif | |
| 40 | 9485 /* delete from active_apc_list */ |
| 9486 if (active_apc_list == &patcmd) /* just in case */ | |
| 9487 active_apc_list = patcmd.next; | |
| 7 | 9488 } |
| 9489 | |
| 9490 --RedrawingDisabled; | |
| 9491 autocmd_busy = save_autocmd_busy; | |
| 9492 filechangeshell_busy = FALSE; | |
| 9493 autocmd_nested = save_autocmd_nested; | |
| 9494 vim_free(sourcing_name); | |
| 9495 sourcing_name = save_sourcing_name; | |
| 9496 sourcing_lnum = save_sourcing_lnum; | |
| 1471 | 9497 vim_free(autocmd_fname); |
| 7 | 9498 autocmd_fname = save_autocmd_fname; |
| 1723 | 9499 autocmd_fname_full = save_autocmd_fname_full; |
| 7 | 9500 autocmd_bufnr = save_autocmd_bufnr; |
| 9501 autocmd_match = save_autocmd_match; | |
| 9502 #ifdef FEAT_EVAL | |
| 9503 current_SID = save_current_SID; | |
| 9504 restore_funccal(save_funccalp); | |
| 170 | 9505 # ifdef FEAT_PROFILE |
| 788 | 9506 if (do_profiling == PROF_YES) |
| 170 | 9507 prof_child_exit(&wait_time); |
| 9508 # endif | |
| 7 | 9509 #endif |
| 9510 vim_free(fname); | |
| 9511 vim_free(sfname); | |
| 9512 --nesting; /* see matching increment above */ | |
| 9513 | |
| 9514 /* | |
| 9515 * When stopping to execute autocommands, restore the search patterns and | |
| 5958 | 9516 * the redo buffer. Free any buffers in the au_pending_free_buf list and |
| 9517 * free any windows in the au_pending_free_win list. | |
| 7 | 9518 */ |
| 9519 if (!autocmd_busy) | |
| 9520 { | |
| 9521 restore_search_patterns(); | |
| 6608 | 9522 if (did_save_redobuff) |
| 9523 restoreRedobuff(); | |
| 7 | 9524 did_filetype = FALSE; |
| 5816 | 9525 while (au_pending_free_buf != NULL) |
| 9526 { | |
| 9527 buf_T *b = au_pending_free_buf->b_next; | |
| 9528 vim_free(au_pending_free_buf); | |
| 9529 au_pending_free_buf = b; | |
| 9530 } | |
| 5958 | 9531 while (au_pending_free_win != NULL) |
| 9532 { | |
| 9533 win_T *w = au_pending_free_win->w_next; | |
| 9534 vim_free(au_pending_free_win); | |
| 9535 au_pending_free_win = w; | |
| 9536 } | |
| 7 | 9537 } |
| 9538 | |
| 9539 /* | |
| 9540 * Some events don't set or reset the Changed flag. | |
| 9541 * Check if still in the same buffer! | |
| 9542 */ | |
| 9543 if (curbuf == old_curbuf | |
| 9544 && (event == EVENT_BUFREADPOST | |
| 9545 || event == EVENT_BUFWRITEPOST | |
| 9546 || event == EVENT_FILEAPPENDPOST | |
| 9547 || event == EVENT_VIMLEAVE | |
| 9548 || event == EVENT_VIMLEAVEPRE)) | |
| 9549 { | |
| 9550 #ifdef FEAT_TITLE | |
| 9551 if (curbuf->b_changed != save_changed) | |
| 9552 need_maketitle = TRUE; | |
| 9553 #endif | |
| 9554 curbuf->b_changed = save_changed; | |
| 9555 } | |
| 9556 | |
| 9557 au_cleanup(); /* may really delete removed patterns/commands now */ | |
| 40 | 9558 |
| 9559 BYPASS_AU: | |
| 9560 /* When wiping out a buffer make sure all its buffer-local autocommands | |
| 9561 * are deleted. */ | |
| 9562 if (event == EVENT_BUFWIPEOUT && buf != NULL) | |
| 9563 aubuflocal_remove(buf); | |
| 9564 | |
|
8937
da4f6e238374
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Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
9565 if (retval == OK && event == EVENT_FILETYPE) |
|
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
9566 au_did_filetype = TRUE; |
|
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
9567 |
| 7 | 9568 return retval; |
| 9569 } | |
| 9570 | |
| 1410 | 9571 # ifdef FEAT_EVAL |
| 9572 static char_u *old_termresponse = NULL; | |
| 9573 # endif | |
| 9574 | |
| 9575 /* | |
| 9576 * Block triggering autocommands until unblock_autocmd() is called. | |
| 9577 * Can be used recursively, so long as it's symmetric. | |
| 9578 */ | |
| 9579 void | |
|
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f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9580 block_autocmds(void) |
| 1410 | 9581 { |
| 9582 # ifdef FEAT_EVAL | |
| 9583 /* Remember the value of v:termresponse. */ | |
| 9584 if (autocmd_blocked == 0) | |
| 9585 old_termresponse = get_vim_var_str(VV_TERMRESPONSE); | |
| 9586 # endif | |
| 9587 ++autocmd_blocked; | |
| 9588 } | |
| 9589 | |
| 9590 void | |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9591 unblock_autocmds(void) |
| 1410 | 9592 { |
| 9593 --autocmd_blocked; | |
| 9594 | |
| 9595 # ifdef FEAT_EVAL | |
| 9596 /* When v:termresponse was set while autocommands were blocked, trigger | |
| 9597 * the autocommands now. Esp. useful when executing a shell command | |
| 9598 * during startup (vimdiff). */ | |
| 9599 if (autocmd_blocked == 0 | |
| 9600 && get_vim_var_str(VV_TERMRESPONSE) != old_termresponse) | |
| 9601 apply_autocmds(EVENT_TERMRESPONSE, NULL, NULL, FALSE, curbuf); | |
| 9602 # endif | |
| 9603 } | |
| 9604 | |
|
5008
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Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9605 int |
|
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
9606 is_autocmd_blocked(void) |
|
5008
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Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9607 { |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9608 return autocmd_blocked != 0; |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9609 } |
|
3717d569027d
updated for version 7.3.1248
Bram Moolenaar <bram@vim.org>
parents:
4872
diff
changeset
|
9610 |
| 7 | 9611 /* |
| 9612 * Find next autocommand pattern that matches. | |
| 9613 */ | |
| 9614 static void | |
|
7819
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
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diff
changeset
|
9615 auto_next_pat( |
|
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
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diff
changeset
|
9616 AutoPatCmd *apc, |
|
f86adafb28d4
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parents:
7801
diff
changeset
|
9617 int stop_at_last) /* stop when 'last' flag is set */ |
| 7 | 9618 { |
| 9619 AutoPat *ap; | |
| 9620 AutoCmd *cp; | |
| 9621 char_u *name; | |
| 9622 char *s; | |
| 9623 | |
| 9624 vim_free(sourcing_name); | |
| 9625 sourcing_name = NULL; | |
| 9626 | |
| 9627 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next) | |
| 9628 { | |
| 9629 apc->curpat = NULL; | |
| 9630 | |
| 1723 | 9631 /* Only use a pattern when it has not been removed, has commands and |
| 40 | 9632 * the group matches. For buffer-local autocommands only check the |
| 9633 * buffer number. */ | |
| 7 | 9634 if (ap->pat != NULL && ap->cmds != NULL |
| 9635 && (apc->group == AUGROUP_ALL || apc->group == ap->group)) | |
| 9636 { | |
| 40 | 9637 /* execution-condition */ |
| 9638 if (ap->buflocal_nr == 0 | |
| 6375 | 9639 ? (match_file_pat(NULL, &ap->reg_prog, apc->fname, |
| 153 | 9640 apc->sfname, apc->tail, ap->allow_dirs)) |
| 40 | 9641 : ap->buflocal_nr == apc->arg_bufnr) |
| 7 | 9642 { |
| 9643 name = event_nr2name(apc->event); | |
| 9644 s = _("%s Auto commands for \"%s\""); | |
| 9645 sourcing_name = alloc((unsigned)(STRLEN(s) | |
| 9646 + STRLEN(name) + ap->patlen + 1)); | |
| 9647 if (sourcing_name != NULL) | |
| 9648 { | |
| 9649 sprintf((char *)sourcing_name, s, | |
| 9650 (char *)name, (char *)ap->pat); | |
| 9651 if (p_verbose >= 8) | |
| 292 | 9652 { |
| 9653 verbose_enter(); | |
| 273 | 9654 smsg((char_u *)_("Executing %s"), sourcing_name); |
| 292 | 9655 verbose_leave(); |
| 9656 } | |
| 7 | 9657 } |
| 9658 | |
| 9659 apc->curpat = ap; | |
| 9660 apc->nextcmd = ap->cmds; | |
| 9661 /* mark last command */ | |
| 9662 for (cp = ap->cmds; cp->next != NULL; cp = cp->next) | |
| 9663 cp->last = FALSE; | |
| 9664 cp->last = TRUE; | |
| 9665 } | |
| 9666 line_breakcheck(); | |
| 9667 if (apc->curpat != NULL) /* found a match */ | |
| 9668 break; | |
| 9669 } | |
| 9670 if (stop_at_last && ap->last) | |
| 9671 break; | |
| 9672 } | |
| 9673 } | |
| 9674 | |
| 9675 /* | |
| 9676 * Get next autocommand command. | |
| 9677 * Called by do_cmdline() to get the next line for ":if". | |
| 9678 * Returns allocated string, or NULL for end of autocommands. | |
| 9679 */ | |
| 3997 | 9680 char_u * |
|
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diff
changeset
|
9681 getnextac(int c UNUSED, void *cookie, int indent UNUSED) |
| 7 | 9682 { |
| 9683 AutoPatCmd *acp = (AutoPatCmd *)cookie; | |
| 9684 char_u *retval; | |
| 9685 AutoCmd *ac; | |
| 9686 | |
| 9687 /* Can be called again after returning the last line. */ | |
| 9688 if (acp->curpat == NULL) | |
| 9689 return NULL; | |
| 9690 | |
| 9691 /* repeat until we find an autocommand to execute */ | |
| 9692 for (;;) | |
| 9693 { | |
| 9694 /* skip removed commands */ | |
| 9695 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL) | |
| 9696 if (acp->nextcmd->last) | |
| 9697 acp->nextcmd = NULL; | |
| 9698 else | |
| 9699 acp->nextcmd = acp->nextcmd->next; | |
| 9700 | |
| 9701 if (acp->nextcmd != NULL) | |
| 9702 break; | |
| 9703 | |
| 9704 /* at end of commands, find next pattern that matches */ | |
| 9705 if (acp->curpat->last) | |
| 9706 acp->curpat = NULL; | |
| 9707 else | |
| 9708 acp->curpat = acp->curpat->next; | |
| 9709 if (acp->curpat != NULL) | |
| 9710 auto_next_pat(acp, TRUE); | |
| 9711 if (acp->curpat == NULL) | |
| 9712 return NULL; | |
| 9713 } | |
| 9714 | |
| 9715 ac = acp->nextcmd; | |
| 9716 | |
| 9717 if (p_verbose >= 9) | |
| 9718 { | |
| 292 | 9719 verbose_enter_scroll(); |
| 273 | 9720 smsg((char_u *)_("autocommand %s"), ac->cmd); |
| 7 | 9721 msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| 292 | 9722 verbose_leave_scroll(); |
| 7 | 9723 } |
| 9724 retval = vim_strsave(ac->cmd); | |
| 9725 autocmd_nested = ac->nested; | |
| 9726 #ifdef FEAT_EVAL | |
| 9727 current_SID = ac->scriptID; | |
| 9728 #endif | |
| 9729 if (ac->last) | |
| 9730 acp->nextcmd = NULL; | |
| 9731 else | |
| 9732 acp->nextcmd = ac->next; | |
| 9733 return retval; | |
| 9734 } | |
| 9735 | |
| 9736 /* | |
| 9737 * Return TRUE if there is a matching autocommand for "fname". | |
| 40 | 9738 * To account for buffer-local autocommands, function needs to know |
| 9739 * in which buffer the file will be opened. | |
| 7 | 9740 */ |
| 9741 int | |
|
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diff
changeset
|
9742 has_autocmd(event_T event, char_u *sfname, buf_T *buf) |
| 7 | 9743 { |
| 9744 AutoPat *ap; | |
| 9745 char_u *fname; | |
| 9746 char_u *tail = gettail(sfname); | |
| 9747 int retval = FALSE; | |
| 9748 | |
| 9749 fname = FullName_save(sfname, FALSE); | |
| 9750 if (fname == NULL) | |
| 9751 return FALSE; | |
| 9752 | |
| 9753 #ifdef BACKSLASH_IN_FILENAME | |
| 9754 /* | |
| 9755 * Replace all backslashes with forward slashes. This makes the | |
| 9756 * autocommand patterns portable between Unix and MS-DOS. | |
| 9757 */ | |
| 9758 sfname = vim_strsave(sfname); | |
| 9759 if (sfname != NULL) | |
| 9760 forward_slash(sfname); | |
| 9761 forward_slash(fname); | |
| 9762 #endif | |
| 9763 | |
| 9764 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next) | |
| 9765 if (ap->pat != NULL && ap->cmds != NULL | |
| 856 | 9766 && (ap->buflocal_nr == 0 |
| 6375 | 9767 ? match_file_pat(NULL, &ap->reg_prog, |
| 153 | 9768 fname, sfname, tail, ap->allow_dirs) |
| 856 | 9769 : buf != NULL && ap->buflocal_nr == buf->b_fnum |
| 40 | 9770 )) |
| 7 | 9771 { |
| 9772 retval = TRUE; | |
| 9773 break; | |
| 9774 } | |
| 9775 | |
| 9776 vim_free(fname); | |
| 9777 #ifdef BACKSLASH_IN_FILENAME | |
| 9778 vim_free(sfname); | |
| 9779 #endif | |
| 9780 | |
| 9781 return retval; | |
| 9782 } | |
| 9783 | |
| 9784 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 9785 /* | |
| 9786 * Function given to ExpandGeneric() to obtain the list of autocommand group | |
| 9787 * names. | |
| 9788 */ | |
| 9789 char_u * | |
|
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9790 get_augroup_name(expand_T *xp UNUSED, int idx) |
| 7 | 9791 { |
| 9792 if (idx == augroups.ga_len) /* add "END" add the end */ | |
| 9793 return (char_u *)"END"; | |
| 9794 if (idx >= augroups.ga_len) /* end of list */ | |
| 9795 return NULL; | |
| 9796 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */ | |
| 9797 return (char_u *)""; | |
| 9798 return AUGROUP_NAME(idx); /* return a name */ | |
| 9799 } | |
| 9800 | |
| 9801 static int include_groups = FALSE; | |
| 9802 | |
| 9803 char_u * | |
|
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|
9804 set_context_in_autocmd( |
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|
9805 expand_T *xp, |
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|
9806 char_u *arg, |
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parents:
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diff
changeset
|
9807 int doautocmd) /* TRUE for :doauto*, FALSE for :autocmd */ |
| 7 | 9808 { |
| 9809 char_u *p; | |
| 9810 int group; | |
| 9811 | |
| 9812 /* check for a group name, skip it if present */ | |
| 9813 include_groups = FALSE; | |
| 9814 p = arg; | |
| 9815 group = au_get_grouparg(&arg); | |
| 9816 if (group == AUGROUP_ERROR) | |
| 9817 return NULL; | |
| 9818 /* If there only is a group name that's what we expand. */ | |
| 9819 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1])) | |
| 9820 { | |
| 9821 arg = p; | |
| 9822 group = AUGROUP_ALL; | |
| 9823 } | |
| 9824 | |
| 9825 /* skip over event name */ | |
| 9826 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p) | |
| 9827 if (*p == ',') | |
| 9828 arg = p + 1; | |
| 9829 if (*p == NUL) | |
| 9830 { | |
| 9831 if (group == AUGROUP_ALL) | |
| 9832 include_groups = TRUE; | |
| 9833 xp->xp_context = EXPAND_EVENTS; /* expand event name */ | |
| 9834 xp->xp_pattern = arg; | |
| 9835 return NULL; | |
| 9836 } | |
| 9837 | |
| 9838 /* skip over pattern */ | |
| 9839 arg = skipwhite(p); | |
| 9840 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\')) | |
| 9841 arg++; | |
| 9842 if (*arg) | |
| 9843 return arg; /* expand (next) command */ | |
| 9844 | |
| 9845 if (doautocmd) | |
| 9846 xp->xp_context = EXPAND_FILES; /* expand file names */ | |
| 9847 else | |
| 9848 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */ | |
| 9849 return NULL; | |
| 9850 } | |
| 9851 | |
| 9852 /* | |
| 9853 * Function given to ExpandGeneric() to obtain the list of event names. | |
| 9854 */ | |
| 9855 char_u * | |
|
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parents:
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diff
changeset
|
9856 get_event_name(expand_T *xp UNUSED, int idx) |
| 7 | 9857 { |
| 9858 if (idx < augroups.ga_len) /* First list group names, if wanted */ | |
| 9859 { | |
| 9860 if (!include_groups || AUGROUP_NAME(idx) == NULL) | |
| 9861 return (char_u *)""; /* skip deleted entries */ | |
| 9862 return AUGROUP_NAME(idx); /* return a name */ | |
| 9863 } | |
| 9864 return (char_u *)event_names[idx - augroups.ga_len].name; | |
| 9865 } | |
| 9866 | |
| 9867 #endif /* FEAT_CMDL_COMPL */ | |
| 9868 | |
| 9869 /* | |
| 615 | 9870 * Return TRUE if autocmd is supported. |
| 9871 */ | |
| 9872 int | |
|
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changeset
|
9873 autocmd_supported(char_u *name) |
| 615 | 9874 { |
| 9875 char_u *p; | |
| 9876 | |
| 9877 return (event_name2nr(name, &p) != NUM_EVENTS); | |
| 9878 } | |
| 9879 | |
| 9880 /* | |
| 612 | 9881 * Return TRUE if an autocommand is defined for a group, event and |
| 9882 * pattern: The group can be omitted to accept any group. "event" and "pattern" | |
| 9883 * can be NULL to accept any event and pattern. "pattern" can be NULL to accept | |
| 9884 * any pattern. Buffer-local patterns <buffer> or <buffer=N> are accepted. | |
| 9885 * Used for: | |
| 9886 * exists("#Group") or | |
| 9887 * exists("#Group#Event") or | |
| 9888 * exists("#Group#Event#pat") or | |
| 9889 * exists("#Event") or | |
| 9890 * exists("#Event#pat") | |
| 7 | 9891 */ |
| 9892 int | |
|
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changeset
|
9893 au_exists(char_u *arg) |
| 7 | 9894 { |
| 612 | 9895 char_u *arg_save; |
| 9896 char_u *pattern = NULL; | |
| 7 | 9897 char_u *event_name; |
| 9898 char_u *p; | |
| 661 | 9899 event_T event; |
| 7 | 9900 AutoPat *ap; |
| 40 | 9901 buf_T *buflocal_buf = NULL; |
| 612 | 9902 int group; |
| 9903 int retval = FALSE; | |
| 9904 | |
| 615 | 9905 /* Make a copy so that we can change the '#' chars to a NUL. */ |
| 612 | 9906 arg_save = vim_strsave(arg); |
| 9907 if (arg_save == NULL) | |
| 9908 return FALSE; | |
| 615 | 9909 p = vim_strchr(arg_save, '#'); |
| 612 | 9910 if (p != NULL) |
| 9911 *p++ = NUL; | |
| 9912 | |
| 9913 /* First, look for an autocmd group name */ | |
| 9914 group = au_find_group(arg_save); | |
| 9915 if (group == AUGROUP_ERROR) | |
| 9916 { | |
| 9917 /* Didn't match a group name, assume the first argument is an event. */ | |
| 9918 group = AUGROUP_ALL; | |
| 9919 event_name = arg_save; | |
| 9920 } | |
| 9921 else | |
| 9922 { | |
| 9923 if (p == NULL) | |
| 9924 { | |
| 9925 /* "Group": group name is present and it's recognized */ | |
| 9926 retval = TRUE; | |
| 9927 goto theend; | |
| 9928 } | |
| 9929 | |
| 9930 /* Must be "Group#Event" or "Group#Event#pat". */ | |
| 9931 event_name = p; | |
| 9932 p = vim_strchr(event_name, '#'); | |
| 9933 if (p != NULL) | |
| 9934 *p++ = NUL; /* "Group#Event#pat" */ | |
| 9935 } | |
| 9936 | |
| 9937 pattern = p; /* "pattern" is NULL when there is no pattern */ | |
| 7 | 9938 |
| 9939 /* find the index (enum) for the event name */ | |
| 9940 event = event_name2nr(event_name, &p); | |
| 9941 | |
| 9942 /* return FALSE if the event name is not recognized */ | |
| 612 | 9943 if (event == NUM_EVENTS) |
| 9944 goto theend; | |
| 7 | 9945 |
| 9946 /* Find the first autocommand for this event. | |
| 9947 * If there isn't any, return FALSE; | |
| 9948 * If there is one and no pattern given, return TRUE; */ | |
| 9949 ap = first_autopat[(int)event]; | |
| 9950 if (ap == NULL) | |
| 612 | 9951 goto theend; |
| 7 | 9952 |
| 40 | 9953 /* if pattern is "<buffer>", special handling is needed which uses curbuf */ |
| 9954 /* for pattern "<buffer=N>, fnamecmp() will work fine */ | |
| 1962 | 9955 if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0) |
| 40 | 9956 buflocal_buf = curbuf; |
| 9957 | |
| 7 | 9958 /* Check if there is an autocommand with the given pattern. */ |
| 9959 for ( ; ap != NULL; ap = ap->next) | |
| 40 | 9960 /* only use a pattern when it has not been removed and has commands. */ |
| 9961 /* For buffer-local autocommands, fnamecmp() works fine. */ | |
| 7 | 9962 if (ap->pat != NULL && ap->cmds != NULL |
| 612 | 9963 && (group == AUGROUP_ALL || ap->group == group) |
| 1962 | 9964 && (pattern == NULL |
| 9965 || (buflocal_buf == NULL | |
| 9966 ? fnamecmp(ap->pat, pattern) == 0 | |
| 9967 : ap->buflocal_nr == buflocal_buf->b_fnum))) | |
| 612 | 9968 { |
| 9969 retval = TRUE; | |
| 9970 break; | |
| 9971 } | |
| 9972 | |
| 9973 theend: | |
| 9974 vim_free(arg_save); | |
| 9975 return retval; | |
| 7 | 9976 } |
| 40 | 9977 |
| 934 | 9978 #else /* FEAT_AUTOCMD */ |
| 9979 | |
| 9980 /* | |
| 9981 * Prepare for executing commands for (hidden) buffer "buf". | |
| 9982 * This is the non-autocommand version, it simply saves "curbuf" and sets | |
| 9983 * "curbuf" and "curwin" to match "buf". | |
| 9984 */ | |
| 9985 void | |
|
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9986 aucmd_prepbuf( |
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9987 aco_save_T *aco, /* structure to save values in */ |
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9988 buf_T *buf) /* new curbuf */ |
| 934 | 9989 { |
| 1906 | 9990 aco->save_curbuf = curbuf; |
| 9991 --curbuf->b_nwindows; | |
| 934 | 9992 curbuf = buf; |
| 9993 curwin->w_buffer = buf; | |
| 1906 | 9994 ++curbuf->b_nwindows; |
| 934 | 9995 } |
| 9996 | |
| 9997 /* | |
| 9998 * Restore after executing commands for a (hidden) buffer. | |
| 9999 * This is the non-autocommand version. | |
| 10000 */ | |
| 10001 void | |
|
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10002 aucmd_restbuf( |
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10003 aco_save_T *aco) /* structure holding saved values */ |
| 934 | 10004 { |
| 1906 | 10005 --curbuf->b_nwindows; |
| 10006 curbuf = aco->save_curbuf; | |
| 934 | 10007 curwin->w_buffer = curbuf; |
| 1906 | 10008 ++curbuf->b_nwindows; |
| 934 | 10009 } |
| 10010 | |
| 7 | 10011 #endif /* FEAT_AUTOCMD */ |
| 10012 | |
| 934 | 10013 |
| 7 | 10014 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO) |
| 10015 /* | |
| 153 | 10016 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
| 10017 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
| 10018 * vim_regcomp() often. | |
| 7 | 10019 * Used for autocommands and 'wildignore'. |
| 10020 * Returns TRUE if there is a match, FALSE otherwise. | |
| 10021 */ | |
| 6375 | 10022 static int |
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10023 match_file_pat( |
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10024 char_u *pattern, /* pattern to match with */ |
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10025 regprog_T **prog, /* pre-compiled regprog or NULL */ |
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10026 char_u *fname, /* full path of file name */ |
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10027 char_u *sfname, /* short file name or NULL */ |
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10028 char_u *tail, /* tail of path */ |
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|
10029 int allow_dirs) /* allow matching with dir */ |
| 7 | 10030 { |
| 10031 regmatch_T regmatch; | |
| 10032 int result = FALSE; | |
| 10033 | |
| 4242 | 10034 regmatch.rm_ic = p_fic; /* ignore case if 'fileignorecase' is set */ |
| 6470 | 10035 if (prog != NULL) |
| 10036 regmatch.regprog = *prog; | |
| 7 | 10037 else |
| 6470 | 10038 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); |
| 7 | 10039 |
| 10040 /* | |
| 10041 * Try for a match with the pattern with: | |
| 10042 * 1. the full file name, when the pattern has a '/'. | |
| 10043 * 2. the short file name, when the pattern has a '/'. | |
| 10044 * 3. the tail of the file name, when the pattern has no '/'. | |
| 10045 */ | |
| 6470 | 10046 if (regmatch.regprog != NULL |
| 7 | 10047 && ((allow_dirs |
| 10048 && (vim_regexec(®match, fname, (colnr_T)0) | |
| 10049 || (sfname != NULL | |
| 10050 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
| 6470 | 10051 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0)))) |
| 7 | 10052 result = TRUE; |
| 10053 | |
| 6375 | 10054 if (prog != NULL) |
| 10055 *prog = regmatch.regprog; | |
| 10056 else | |
|
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|
10057 vim_regfree(regmatch.regprog); |
| 7 | 10058 return result; |
| 10059 } | |
| 10060 #endif | |
| 10061 | |
| 10062 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
| 10063 /* | |
| 10064 * Return TRUE if a file matches with a pattern in "list". | |
| 10065 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
| 10066 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
| 10067 */ | |
| 10068 int | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
10069 match_file_list(char_u *list, char_u *sfname, char_u *ffname) |
| 7 | 10070 { |
| 10071 char_u buf[100]; | |
| 10072 char_u *tail; | |
| 10073 char_u *regpat; | |
| 10074 char allow_dirs; | |
| 10075 int match; | |
| 10076 char_u *p; | |
| 10077 | |
| 10078 tail = gettail(sfname); | |
| 10079 | |
| 10080 /* try all patterns in 'wildignore' */ | |
| 10081 p = list; | |
| 10082 while (*p) | |
| 10083 { | |
| 10084 copy_option_part(&p, buf, 100, ","); | |
| 10085 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
| 10086 if (regpat == NULL) | |
| 10087 break; | |
| 153 | 10088 match = match_file_pat(regpat, NULL, ffname, sfname, |
| 10089 tail, (int)allow_dirs); | |
| 7 | 10090 vim_free(regpat); |
| 10091 if (match) | |
| 10092 return TRUE; | |
| 10093 } | |
| 10094 return FALSE; | |
| 10095 } | |
| 10096 #endif | |
| 10097 | |
| 10098 /* | |
| 10099 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
| 10100 * a regular expression, and return the result in allocated memory. If there | |
| 10101 * is a directory path separator to be matched, then TRUE is put in | |
| 10102 * allow_dirs, otherwise FALSE is put there -- webb. | |
| 10103 * Handle backslashes before special characters, like "\*" and "\ ". | |
| 10104 * | |
| 10105 * Returns NULL when out of memory. | |
| 10106 */ | |
| 10107 char_u * | |
|
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7801
diff
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|
10108 file_pat_to_reg_pat( |
|
f86adafb28d4
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diff
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|
10109 char_u *pat, |
|
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7801
diff
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|
10110 char_u *pat_end, /* first char after pattern or NULL */ |
|
f86adafb28d4
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parents:
7801
diff
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|
10111 char *allow_dirs, /* Result passed back out in here */ |
|
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
10112 int no_bslash UNUSED) /* Don't use a backward slash as pathsep */ |
| 7 | 10113 { |
| 6470 | 10114 int size = 2; /* '^' at start, '$' at end */ |
| 7 | 10115 char_u *endp; |
| 10116 char_u *reg_pat; | |
| 10117 char_u *p; | |
| 10118 int i; | |
| 10119 int nested = 0; | |
| 10120 int add_dollar = TRUE; | |
| 10121 | |
| 10122 if (allow_dirs != NULL) | |
| 10123 *allow_dirs = FALSE; | |
| 10124 if (pat_end == NULL) | |
| 10125 pat_end = pat + STRLEN(pat); | |
| 10126 | |
| 10127 for (p = pat; p < pat_end; p++) | |
| 10128 { | |
| 10129 switch (*p) | |
| 10130 { | |
| 10131 case '*': | |
| 10132 case '.': | |
| 10133 case ',': | |
| 10134 case '{': | |
| 10135 case '}': | |
| 10136 case '~': | |
| 10137 size += 2; /* extra backslash */ | |
| 10138 break; | |
| 10139 #ifdef BACKSLASH_IN_FILENAME | |
| 10140 case '\\': | |
| 10141 case '/': | |
| 10142 size += 4; /* could become "[\/]" */ | |
| 10143 break; | |
| 10144 #endif | |
| 10145 default: | |
| 10146 size++; | |
| 6999 | 10147 # ifdef FEAT_MBYTE |
| 474 | 10148 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10149 { |
| 10150 ++p; | |
| 10151 ++size; | |
| 10152 } | |
| 10153 # endif | |
| 10154 break; | |
| 10155 } | |
| 10156 } | |
| 10157 reg_pat = alloc(size + 1); | |
| 10158 if (reg_pat == NULL) | |
| 10159 return NULL; | |
| 10160 | |
| 10161 i = 0; | |
| 10162 | |
| 10163 if (pat[0] == '*') | |
| 10164 while (pat[0] == '*' && pat < pat_end - 1) | |
| 10165 pat++; | |
| 10166 else | |
| 10167 reg_pat[i++] = '^'; | |
| 10168 endp = pat_end - 1; | |
| 7005 | 10169 if (endp >= pat && *endp == '*') |
| 7 | 10170 { |
| 10171 while (endp - pat > 0 && *endp == '*') | |
| 10172 endp--; | |
| 10173 add_dollar = FALSE; | |
| 10174 } | |
| 10175 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
| 10176 { | |
| 10177 switch (*p) | |
| 10178 { | |
| 10179 case '*': | |
| 10180 reg_pat[i++] = '.'; | |
| 10181 reg_pat[i++] = '*'; | |
| 444 | 10182 while (p[1] == '*') /* "**" matches like "*" */ |
| 10183 ++p; | |
| 7 | 10184 break; |
| 10185 case '.': | |
| 10186 case '~': | |
| 10187 reg_pat[i++] = '\\'; | |
| 10188 reg_pat[i++] = *p; | |
| 10189 break; | |
| 10190 case '?': | |
| 10191 reg_pat[i++] = '.'; | |
| 10192 break; | |
| 10193 case '\\': | |
| 10194 if (p[1] == NUL) | |
| 10195 break; | |
| 10196 #ifdef BACKSLASH_IN_FILENAME | |
| 10197 if (!no_bslash) | |
| 10198 { | |
| 10199 /* translate: | |
| 10200 * "\x" to "\\x" e.g., "dir\file" | |
| 10201 * "\*" to "\\.*" e.g., "dir\*.c" | |
| 10202 * "\?" to "\\." e.g., "dir\??.c" | |
| 10203 * "\+" to "\+" e.g., "fileX\+.c" | |
| 10204 */ | |
| 10205 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
| 10206 && p[1] != '+') | |
| 10207 { | |
| 10208 reg_pat[i++] = '['; | |
| 10209 reg_pat[i++] = '\\'; | |
| 10210 reg_pat[i++] = '/'; | |
| 10211 reg_pat[i++] = ']'; | |
| 10212 if (allow_dirs != NULL) | |
| 10213 *allow_dirs = TRUE; | |
| 10214 break; | |
| 10215 } | |
| 10216 } | |
| 10217 #endif | |
|
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|
10218 /* Undo escaping from ExpandEscape(): |
|
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|
10219 * foo\?bar -> foo?bar |
|
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|
10220 * foo\%bar -> foo%bar |
|
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|
10221 * foo\,bar -> foo,bar |
|
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|
10222 * foo\ bar -> foo bar |
|
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10223 * Don't unescape \, * and others that are also special in a |
|
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|
10224 * regexp. |
|
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|
10225 * An escaped { must be unescaped since we use magic not |
|
5259
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|
10226 * verymagic. Use "\\\{n,m\}"" to get "\{n,m}". |
|
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|
10227 */ |
| 7 | 10228 if (*++p == '?' |
| 10229 #ifdef BACKSLASH_IN_FILENAME | |
| 10230 && no_bslash | |
| 10231 #endif | |
| 10232 ) | |
| 10233 reg_pat[i++] = '?'; | |
| 10234 else | |
|
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|
10235 if (*p == ',' || *p == '%' || *p == '#' |
| 6999 | 10236 || vim_isspace(*p) || *p == '{' || *p == '}') |
|
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|
10237 reg_pat[i++] = *p; |
|
5259
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|
10238 else if (*p == '\\' && p[1] == '\\' && p[2] == '{') |
|
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|
10239 { |
|
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|
10240 reg_pat[i++] = '\\'; |
|
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|
10241 reg_pat[i++] = '{'; |
|
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|
10242 p += 2; |
|
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diff
changeset
|
10243 } |
| 7 | 10244 else |
| 10245 { | |
| 10246 if (allow_dirs != NULL && vim_ispathsep(*p) | |
| 10247 #ifdef BACKSLASH_IN_FILENAME | |
| 10248 && (!no_bslash || *p != '\\') | |
| 10249 #endif | |
| 10250 ) | |
| 10251 *allow_dirs = TRUE; | |
| 10252 reg_pat[i++] = '\\'; | |
| 10253 reg_pat[i++] = *p; | |
| 10254 } | |
| 10255 break; | |
| 10256 #ifdef BACKSLASH_IN_FILENAME | |
| 10257 case '/': | |
| 10258 reg_pat[i++] = '['; | |
| 10259 reg_pat[i++] = '\\'; | |
| 10260 reg_pat[i++] = '/'; | |
| 10261 reg_pat[i++] = ']'; | |
| 10262 if (allow_dirs != NULL) | |
| 10263 *allow_dirs = TRUE; | |
| 10264 break; | |
| 10265 #endif | |
| 10266 case '{': | |
| 10267 reg_pat[i++] = '\\'; | |
| 10268 reg_pat[i++] = '('; | |
| 10269 nested++; | |
| 10270 break; | |
| 10271 case '}': | |
| 10272 reg_pat[i++] = '\\'; | |
| 10273 reg_pat[i++] = ')'; | |
| 10274 --nested; | |
| 10275 break; | |
| 10276 case ',': | |
| 10277 if (nested) | |
| 10278 { | |
| 10279 reg_pat[i++] = '\\'; | |
| 10280 reg_pat[i++] = '|'; | |
| 10281 } | |
| 10282 else | |
| 10283 reg_pat[i++] = ','; | |
| 10284 break; | |
| 10285 default: | |
| 10286 # ifdef FEAT_MBYTE | |
| 474 | 10287 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
| 7 | 10288 reg_pat[i++] = *p++; |
| 10289 else | |
| 10290 # endif | |
| 10291 if (allow_dirs != NULL && vim_ispathsep(*p)) | |
| 10292 *allow_dirs = TRUE; | |
| 10293 reg_pat[i++] = *p; | |
| 10294 break; | |
| 10295 } | |
| 10296 } | |
| 10297 if (add_dollar) | |
| 10298 reg_pat[i++] = '$'; | |
| 10299 reg_pat[i] = NUL; | |
| 10300 if (nested != 0) | |
| 10301 { | |
| 10302 if (nested < 0) | |
| 10303 EMSG(_("E219: Missing {.")); | |
| 10304 else | |
| 10305 EMSG(_("E220: Missing }.")); | |
| 10306 vim_free(reg_pat); | |
| 10307 reg_pat = NULL; | |
| 10308 } | |
| 10309 return reg_pat; | |
| 10310 } | |
| 2664 | 10311 |
| 10312 #if defined(EINTR) || defined(PROTO) | |
| 10313 /* | |
| 10314 * Version of read() that retries when interrupted by EINTR (possibly | |
| 10315 * by a SIGWINCH). | |
| 10316 */ | |
| 10317 long | |
|
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parents:
7801
diff
changeset
|
10318 read_eintr(int fd, void *buf, size_t bufsize) |
| 2664 | 10319 { |
| 10320 long ret; | |
| 10321 | |
| 10322 for (;;) | |
| 10323 { | |
| 10324 ret = vim_read(fd, buf, bufsize); | |
| 10325 if (ret >= 0 || errno != EINTR) | |
| 10326 break; | |
| 10327 } | |
| 10328 return ret; | |
| 10329 } | |
| 10330 | |
| 10331 /* | |
| 10332 * Version of write() that retries when interrupted by EINTR (possibly | |
| 10333 * by a SIGWINCH). | |
| 10334 */ | |
| 10335 long | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
10336 write_eintr(int fd, void *buf, size_t bufsize) |
| 2664 | 10337 { |
| 10338 long ret = 0; | |
| 10339 long wlen; | |
| 10340 | |
| 10341 /* Repeat the write() so long it didn't fail, other than being interrupted | |
| 10342 * by a signal. */ | |
| 10343 while (ret < (long)bufsize) | |
| 10344 { | |
| 2666 | 10345 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
| 2664 | 10346 if (wlen < 0) |
| 10347 { | |
| 10348 if (errno != EINTR) | |
| 10349 break; | |
| 10350 } | |
| 10351 else | |
| 10352 ret += wlen; | |
| 10353 } | |
| 10354 return ret; | |
| 10355 } | |
| 10356 #endif |