Mercurial > vim
annotate src/fileio.c @ 16025:1aed002ab9bc
Added tag v8.1.1017 for changeset 7fd3a9eaeedb7f7fbf173682f27bb50d47880c4c
author | Bram Moolenaar <Bram@vim.org> |
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date | Sun, 17 Mar 2019 17:30:15 +0100 |
parents | da4d1f69374e |
children | 78faa25f9698 |
rev | line source |
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 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 static char_u *next_fenc(char_u **pp); |
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31 #ifdef FEAT_EVAL |
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32 static char_u *readfile_charconvert(char_u *fname, char_u *fenc, int *fdp); |
7 | 33 #endif |
34 #ifdef FEAT_VIMINFO | |
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35 static void check_marks_read(void); |
7 | 36 #endif |
37 #ifdef FEAT_CRYPT | |
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38 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 | 39 #endif |
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40 static int set_rw_fname(char_u *fname, char_u *sfname); |
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41 static int msg_add_fileformat(int eol_type); |
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42 static void msg_add_eol(void); |
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43 static int check_mtime(buf_T *buf, stat_T *s); |
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44 static int time_differs(long t1, long t2); |
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45 |
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46 #define HAS_BW_FLAGS |
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47 #define FIO_LATIN1 0x01 /* convert Latin1 */ |
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48 #define FIO_UTF8 0x02 /* convert UTF-8 */ |
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49 #define FIO_UCS2 0x04 /* convert UCS-2 */ |
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50 #define FIO_UCS4 0x08 /* convert UCS-4 */ |
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51 #define FIO_UTF16 0x10 /* convert UTF-16 */ |
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52 #ifdef MSWIN |
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53 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */ |
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54 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */ |
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55 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */ |
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56 #endif |
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57 #ifdef MACOS_CONVERT |
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58 # define FIO_MACROMAN 0x20 /* convert MacRoman */ |
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59 #endif |
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60 #define FIO_ENDIAN_L 0x80 /* little endian */ |
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61 #define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */ |
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62 #define FIO_NOCONVERT 0x2000 /* skip encoding conversion */ |
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63 #define FIO_UCSBOM 0x4000 /* check for BOM at start of file */ |
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64 #define FIO_ALL -1 /* allow all formats */ |
7 | 65 |
66 /* When converting, a read() or write() may leave some bytes to be converted | |
67 * for the next call. The value is guessed... */ | |
68 #define CONV_RESTLEN 30 | |
69 | |
70 /* We have to guess how much a sequence of bytes may expand when converting | |
71 * with iconv() to be able to allocate a buffer. */ | |
72 #define ICONV_MULT 8 | |
73 | |
74 /* | |
75 * Structure to pass arguments from buf_write() to buf_write_bytes(). | |
76 */ | |
77 struct bw_info | |
78 { | |
79 int bw_fd; /* file descriptor */ | |
80 char_u *bw_buf; /* buffer with data to be written */ | |
1411 | 81 int bw_len; /* length of data */ |
7 | 82 #ifdef HAS_BW_FLAGS |
83 int bw_flags; /* FIO_ flags */ | |
84 #endif | |
6122 | 85 #ifdef FEAT_CRYPT |
86 buf_T *bw_buffer; /* buffer being written */ | |
87 #endif | |
7 | 88 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */ |
89 int bw_restlen; /* nr of bytes in bw_rest[] */ | |
90 int bw_first; /* first write call */ | |
91 char_u *bw_conv_buf; /* buffer for writing converted chars */ | |
92 int bw_conv_buflen; /* size of bw_conv_buf */ | |
93 int bw_conv_error; /* set for conversion error */ | |
1947 | 94 linenr_T bw_conv_error_lnum; /* first line with error or zero */ |
95 linenr_T bw_start_lnum; /* line number at start of buffer */ | |
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96 #ifdef USE_ICONV |
7 | 97 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */ |
98 #endif | |
99 }; | |
100 | |
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101 static int buf_write_bytes(struct bw_info *ip); |
7 | 102 |
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103 static linenr_T readfile_linenr(linenr_T linecnt, char_u *p, char_u *endp); |
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104 static int ucs2bytes(unsigned c, char_u **pp, int flags); |
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105 static int need_conversion(char_u *fenc); |
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106 static int get_fio_flags(char_u *ptr); |
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107 static char_u *check_for_bom(char_u *p, long size, int *lenp, int flags); |
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108 static int make_bom(char_u *buf, char_u *name); |
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109 #ifdef MSWIN |
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110 static int get_win_fio_flags(char_u *ptr); |
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111 #endif |
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112 #ifdef MACOS_CONVERT |
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113 static int get_mac_fio_flags(char_u *ptr); |
7 | 114 #endif |
1834 | 115 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name"); |
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116 |
7 | 117 void |
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118 filemess( |
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119 buf_T *buf, |
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120 char_u *name, |
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121 char_u *s, |
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122 int attr) |
7 | 123 { |
124 int msg_scroll_save; | |
125 | |
126 if (msg_silent != 0) | |
127 return; | |
128 msg_add_fname(buf, name); /* put file name in IObuff with quotes */ | |
129 /* If it's extremely long, truncate it. */ | |
130 if (STRLEN(IObuff) > IOSIZE - 80) | |
131 IObuff[IOSIZE - 80] = NUL; | |
132 STRCAT(IObuff, s); | |
133 /* | |
134 * For the first message may have to start a new line. | |
135 * For further ones overwrite the previous one, reset msg_scroll before | |
136 * calling filemess(). | |
137 */ | |
138 msg_scroll_save = msg_scroll; | |
139 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) | |
140 msg_scroll = FALSE; | |
141 if (!msg_scroll) /* wait a bit when overwriting an error msg */ | |
142 check_for_delay(FALSE); | |
143 msg_start(); | |
144 msg_scroll = msg_scroll_save; | |
145 msg_scrolled_ign = TRUE; | |
146 /* may truncate the message to avoid a hit-return prompt */ | |
147 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr); | |
148 msg_clr_eos(); | |
149 out_flush(); | |
150 msg_scrolled_ign = FALSE; | |
151 } | |
152 | |
153 /* | |
154 * Read lines from file "fname" into the buffer after line "from". | |
155 * | |
156 * 1. We allocate blocks with lalloc, as big as possible. | |
157 * 2. Each block is filled with characters from the file with a single read(). | |
158 * 3. The lines are inserted in the buffer with ml_append(). | |
159 * | |
160 * (caller must check that fname != NULL, unless READ_STDIN is used) | |
161 * | |
162 * "lines_to_skip" is the number of lines that must be skipped | |
163 * "lines_to_read" is the number of lines that are appended | |
164 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM. | |
165 * | |
166 * flags: | |
167 * READ_NEW starting to edit a new buffer | |
168 * READ_FILTER reading filter output | |
169 * READ_STDIN read from stdin instead of a file | |
170 * READ_BUFFER read from curbuf instead of a file (converting after reading | |
171 * stdin) | |
172 * READ_DUMMY read into a dummy buffer (to check if file contents changed) | |
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173 * READ_KEEP_UNDO don't clear undo info or read it from a file |
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174 * READ_FIFO read from fifo/socket instead of a file |
7 | 175 * |
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176 * return FAIL for failure, NOTDONE for directory (failure), or OK |
7 | 177 */ |
178 int | |
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179 readfile( |
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180 char_u *fname, |
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181 char_u *sfname, |
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182 linenr_T from, |
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183 linenr_T lines_to_skip, |
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184 linenr_T lines_to_read, |
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185 exarg_T *eap, /* can be NULL! */ |
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186 int flags) |
7 | 187 { |
188 int fd = 0; | |
189 int newfile = (flags & READ_NEW); | |
190 int check_readonly; | |
191 int filtering = (flags & READ_FILTER); | |
192 int read_stdin = (flags & READ_STDIN); | |
193 int read_buffer = (flags & READ_BUFFER); | |
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194 int read_fifo = (flags & READ_FIFO); |
1486 | 195 int set_options = newfile || read_buffer |
196 || (eap != NULL && eap->read_edit); | |
7 | 197 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */ |
198 colnr_T read_buf_col = 0; /* next char to read from this line */ | |
199 char_u c; | |
200 linenr_T lnum = from; | |
201 char_u *ptr = NULL; /* pointer into read buffer */ | |
202 char_u *buffer = NULL; /* read buffer */ | |
203 char_u *new_buffer = NULL; /* init to shut up gcc */ | |
204 char_u *line_start = NULL; /* init to shut up gcc */ | |
205 int wasempty; /* buffer was empty before reading */ | |
206 colnr_T len; | |
207 long size = 0; | |
208 char_u *p; | |
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209 off_T filesize = 0; |
7 | 210 int skip_read = FALSE; |
211 #ifdef FEAT_CRYPT | |
212 char_u *cryptkey = NULL; | |
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213 int did_ask_for_key = FALSE; |
7 | 214 #endif |
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215 #ifdef FEAT_PERSISTENT_UNDO |
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216 context_sha256_T sha_ctx; |
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217 int read_undo_file = FALSE; |
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218 #endif |
7 | 219 int split = 0; /* number of split lines */ |
220 #define UNKNOWN 0x0fffffff /* file size is unknown */ | |
221 linenr_T linecnt; | |
222 int error = FALSE; /* errors encountered */ | |
223 int ff_error = EOL_UNKNOWN; /* file format with errors */ | |
224 long linerest = 0; /* remaining chars in line */ | |
225 #ifdef UNIX | |
226 int perm = 0; | |
227 int swap_mode = -1; /* protection bits for swap file */ | |
228 #else | |
229 int perm; | |
230 #endif | |
231 int fileformat = 0; /* end-of-line format */ | |
232 int keep_fileformat = FALSE; | |
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233 stat_T st; |
7 | 234 int file_readonly; |
235 linenr_T skip_count = 0; | |
236 linenr_T read_count = 0; | |
237 int msg_save = msg_scroll; | |
238 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of | |
239 * last read was missing the eol */ | |
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240 int try_mac; |
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241 int try_dos; |
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242 int try_unix; |
7 | 243 int file_rewind = FALSE; |
244 int can_retry; | |
595 | 245 linenr_T conv_error = 0; /* line nr with conversion error */ |
246 linenr_T illegal_byte = 0; /* line nr with illegal byte */ | |
7 | 247 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit |
248 in destination encoding */ | |
595 | 249 int bad_char_behavior = BAD_REPLACE; |
250 /* BAD_KEEP, BAD_DROP or character to | |
251 * replace with */ | |
7 | 252 char_u *tmpname = NULL; /* name of 'charconvert' output file */ |
253 int fio_flags = 0; | |
254 char_u *fenc; /* fileencoding to use */ | |
255 int fenc_alloced; /* fenc_next is in allocated memory */ | |
256 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */ | |
257 int advance_fenc = FALSE; | |
258 long real_size = 0; | |
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259 #ifdef USE_ICONV |
7 | 260 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */ |
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261 # ifdef FEAT_EVAL |
7 | 262 int did_iconv = FALSE; /* TRUE when iconv() failed and trying |
263 'charconvert' next */ | |
264 # endif | |
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265 #endif |
7 | 266 int converted = FALSE; /* TRUE if conversion done */ |
267 int notconverted = FALSE; /* TRUE if conversion wanted but it | |
268 wasn't possible */ | |
269 char_u conv_rest[CONV_RESTLEN]; | |
270 int conv_restlen = 0; /* nr of bytes in conv_rest[] */ | |
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271 buf_T *old_curbuf; |
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272 char_u *old_b_ffname; |
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273 char_u *old_b_fname; |
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274 int using_b_ffname; |
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275 int using_b_fname; |
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276 |
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277 au_did_filetype = FALSE; /* reset before triggering any autocommands */ |
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278 |
2707 | 279 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
7 | 280 |
281 /* | |
282 * If there is no file name yet, use the one for the read file. | |
283 * BF_NOTEDITED is set to reflect this. | |
284 * Don't do this for a read from a filter. | |
285 * Only do this when 'cpoptions' contains the 'f' flag. | |
286 */ | |
287 if (curbuf->b_ffname == NULL | |
288 && !filtering | |
289 && fname != NULL | |
290 && vim_strchr(p_cpo, CPO_FNAMER) != NULL | |
291 && !(flags & READ_DUMMY)) | |
292 { | |
633 | 293 if (set_rw_fname(fname, sfname) == FAIL) |
294 return FAIL; | |
7 | 295 } |
296 | |
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297 /* Remember the initial values of curbuf, curbuf->b_ffname and |
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298 * curbuf->b_fname to detect whether they are altered as a result of |
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299 * executing nasty autocommands. Also check if "fname" and "sfname" |
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300 * point to one of these values. */ |
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301 old_curbuf = curbuf; |
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302 old_b_ffname = curbuf->b_ffname; |
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303 old_b_fname = curbuf->b_fname; |
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304 using_b_ffname = (fname == curbuf->b_ffname) |
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305 || (sfname == curbuf->b_ffname); |
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306 using_b_fname = (fname == curbuf->b_fname) || (sfname == curbuf->b_fname); |
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307 |
167 | 308 /* After reading a file the cursor line changes but we don't want to |
309 * display the line. */ | |
310 ex_no_reprint = TRUE; | |
311 | |
968 | 312 /* don't display the file info for another buffer now */ |
313 need_fileinfo = FALSE; | |
314 | |
7 | 315 /* |
316 * For Unix: Use the short file name whenever possible. | |
317 * Avoids problems with networks and when directory names are changed. | |
318 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
319 * another directory, which we don't detect. | |
320 */ | |
321 if (sfname == NULL) | |
322 sfname = fname; | |
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323 #if defined(UNIX) |
7 | 324 fname = sfname; |
325 #endif | |
326 | |
327 /* | |
328 * The BufReadCmd and FileReadCmd events intercept the reading process by | |
329 * executing the associated commands instead. | |
330 */ | |
331 if (!filtering && !read_stdin && !read_buffer) | |
332 { | |
333 pos_T pos; | |
334 | |
335 pos = curbuf->b_op_start; | |
336 | |
337 /* Set '[ mark to the line above where the lines go (line 1 if zero). */ | |
338 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
339 curbuf->b_op_start.col = 0; | |
340 | |
341 if (newfile) | |
342 { | |
343 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname, | |
344 FALSE, curbuf, eap)) | |
345 #ifdef FEAT_EVAL | |
346 return aborting() ? FAIL : OK; | |
347 #else | |
348 return OK; | |
349 #endif | |
350 } | |
351 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname, | |
352 FALSE, NULL, eap)) | |
353 #ifdef FEAT_EVAL | |
354 return aborting() ? FAIL : OK; | |
355 #else | |
356 return OK; | |
357 #endif | |
358 | |
359 curbuf->b_op_start = pos; | |
360 } | |
361 | |
362 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) | |
363 msg_scroll = FALSE; /* overwrite previous file message */ | |
364 else | |
365 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
366 | |
367 /* | |
368 * If the name ends in a path separator, we can't open it. Check here, | |
369 * because reading the file may actually work, but then creating the swap | |
370 * file may destroy it! Reported on MS-DOS and Win 95. | |
371 * If the name is too long we might crash further on, quit here. | |
372 */ | |
23 | 373 if (fname != NULL && *fname != NUL) |
374 { | |
39 | 375 p = fname + STRLEN(fname); |
376 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL) | |
23 | 377 { |
378 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0); | |
379 msg_end(); | |
380 msg_scroll = msg_save; | |
381 return FAIL; | |
382 } | |
7 | 383 } |
384 | |
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385 if (!read_stdin && !read_buffer && !read_fifo) |
5322 | 386 { |
7 | 387 #ifdef UNIX |
5322 | 388 /* |
389 * On Unix it is possible to read a directory, so we have to | |
390 * check for it before the mch_open(). | |
391 */ | |
7 | 392 perm = mch_getperm(fname); |
393 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */ | |
394 && !S_ISFIFO(perm) /* ... or fifo */ | |
395 && !S_ISSOCK(perm) /* ... or socket */ | |
1313 | 396 # ifdef OPEN_CHR_FILES |
397 && !(S_ISCHR(perm) && is_dev_fd_file(fname)) | |
398 /* ... or a character special file named /dev/fd/<n> */ | |
399 # endif | |
7 | 400 ) |
401 { | |
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402 int retval = FAIL; |
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403 |
7 | 404 if (S_ISDIR(perm)) |
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405 { |
7 | 406 filemess(curbuf, fname, (char_u *)_("is a directory"), 0); |
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407 retval = NOTDONE; |
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408 } |
7 | 409 else |
410 filemess(curbuf, fname, (char_u *)_("is not a file"), 0); | |
411 msg_end(); | |
412 msg_scroll = msg_save; | |
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413 return retval; |
7 | 414 } |
5322 | 415 #endif |
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416 #if defined(MSWIN) |
1006 | 417 /* |
418 * MS-Windows allows opening a device, but we will probably get stuck | |
419 * trying to read it. | |
420 */ | |
421 if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) | |
422 { | |
1303 | 423 filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); |
1006 | 424 msg_end(); |
425 msg_scroll = msg_save; | |
426 return FAIL; | |
427 } | |
5322 | 428 #endif |
429 } | |
1004 | 430 |
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431 /* Set default or forced 'fileformat' and 'binary'. */ |
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432 set_file_options(set_options, eap); |
7 | 433 |
434 /* | |
435 * When opening a new file we take the readonly flag from the file. | |
436 * Default is r/w, can be set to r/o below. | |
437 * Don't reset it when in readonly mode | |
438 * Only set/reset b_p_ro when BF_CHECK_RO is set. | |
439 */ | |
440 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO)); | |
164 | 441 if (check_readonly && !readonlymode) |
7 | 442 curbuf->b_p_ro = FALSE; |
443 | |
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444 if (newfile && !read_stdin && !read_buffer && !read_fifo) |
7 | 445 { |
2823 | 446 /* Remember time of file. */ |
7 | 447 if (mch_stat((char *)fname, &st) >= 0) |
448 { | |
449 buf_store_time(curbuf, &st, fname); | |
450 curbuf->b_mtime_read = curbuf->b_mtime; | |
451 #ifdef UNIX | |
452 /* | |
453 * Use the protection bits of the original file for the swap file. | |
454 * This makes it possible for others to read the name of the | |
455 * edited file from the swapfile, but only if they can read the | |
456 * edited file. | |
457 * Remove the "write" and "execute" bits for group and others | |
458 * (they must not write the swapfile). | |
459 * Add the "read" and "write" bits for the user, otherwise we may | |
460 * not be able to write to the file ourselves. | |
461 * Setting the bits is done below, after creating the swap file. | |
462 */ | |
463 swap_mode = (st.st_mode & 0644) | 0600; | |
464 #endif | |
465 #ifdef FEAT_CW_EDITOR | |
466 /* Get the FSSpec on MacOS | |
467 * TODO: Update it properly when the buffer name changes | |
468 */ | |
469 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec); | |
470 #endif | |
471 #ifdef VMS | |
472 curbuf->b_fab_rfm = st.st_fab_rfm; | |
22 | 473 curbuf->b_fab_rat = st.st_fab_rat; |
474 curbuf->b_fab_mrs = st.st_fab_mrs; | |
7 | 475 #endif |
476 } | |
477 else | |
478 { | |
479 curbuf->b_mtime = 0; | |
480 curbuf->b_mtime_read = 0; | |
481 curbuf->b_orig_size = 0; | |
482 curbuf->b_orig_mode = 0; | |
483 } | |
484 | |
485 /* Reset the "new file" flag. It will be set again below when the | |
486 * file doesn't exist. */ | |
487 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W); | |
488 } | |
489 | |
490 /* | |
491 * for UNIX: check readonly with perm and mch_access() | |
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492 * for Amiga: check readonly by trying to open the file for writing |
7 | 493 */ |
494 file_readonly = FALSE; | |
495 if (read_stdin) | |
496 { | |
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497 #if defined(MSWIN) |
7 | 498 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */ |
499 setmode(0, O_BINARY); | |
500 #endif | |
501 } | |
502 else if (!read_buffer) | |
503 { | |
504 #ifdef USE_MCH_ACCESS | |
505 if ( | |
506 # ifdef UNIX | |
507 !(perm & 0222) || | |
508 # endif | |
509 mch_access((char *)fname, W_OK)) | |
510 file_readonly = TRUE; | |
511 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
512 #else | |
513 if (!newfile | |
514 || readonlymode | |
515 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) | |
516 { | |
517 file_readonly = TRUE; | |
518 /* try to open ro */ | |
519 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
520 } | |
521 #endif | |
522 } | |
523 | |
524 if (fd < 0) /* cannot open at all */ | |
525 { | |
526 #ifndef UNIX | |
527 int isdir_f; | |
528 #endif | |
529 msg_scroll = msg_save; | |
530 #ifndef UNIX | |
531 /* | |
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532 * On Amiga we can't open a directory, check here. |
7 | 533 */ |
534 isdir_f = (mch_isdir(fname)); | |
535 perm = mch_getperm(fname); /* check if the file exists */ | |
536 if (isdir_f) | |
537 { | |
538 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0); | |
539 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
540 } | |
541 else | |
542 #endif | |
543 if (newfile) | |
544 { | |
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545 if (perm < 0 |
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546 #ifdef ENOENT |
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547 && errno == ENOENT |
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548 #endif |
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549 ) |
7 | 550 { |
551 /* | |
552 * Set the 'new-file' flag, so that when the file has | |
553 * been created by someone else, a ":w" will complain. | |
554 */ | |
555 curbuf->b_flags |= BF_NEW; | |
556 | |
557 /* Create a swap file now, so that other Vims are warned | |
558 * that we are editing this file. Don't do this for a | |
559 * "nofile" or "nowrite" buffer type. */ | |
560 #ifdef FEAT_QUICKFIX | |
561 if (!bt_dontwrite(curbuf)) | |
562 #endif | |
1834 | 563 { |
7 | 564 check_need_swap(newfile); |
1834 | 565 /* SwapExists autocommand may mess things up */ |
566 if (curbuf != old_curbuf | |
567 || (using_b_ffname | |
568 && (old_b_ffname != curbuf->b_ffname)) | |
569 || (using_b_fname | |
570 && (old_b_fname != curbuf->b_fname))) | |
571 { | |
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572 emsg(_(e_auchangedbuf)); |
1834 | 573 return FAIL; |
574 } | |
575 } | |
592 | 576 if (dir_of_file_exists(fname)) |
577 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0); | |
578 else | |
579 filemess(curbuf, sfname, | |
580 (char_u *)_("[New DIRECTORY]"), 0); | |
7 | 581 #ifdef FEAT_VIMINFO |
582 /* Even though this is a new file, it might have been | |
583 * edited before and deleted. Get the old marks. */ | |
584 check_marks_read(); | |
585 #endif | |
5231
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586 /* Set forced 'fileencoding'. */ |
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587 if (eap != NULL) |
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588 set_forced_fenc(eap); |
7 | 589 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname, |
590 FALSE, curbuf, eap); | |
591 /* remember the current fileformat */ | |
592 save_file_ff(curbuf); | |
593 | |
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594 #if defined(FEAT_EVAL) |
7 | 595 if (aborting()) /* autocmds may abort script processing */ |
596 return FAIL; | |
597 #endif | |
598 return OK; /* a new file is not an error */ | |
599 } | |
600 else | |
601 { | |
550 | 602 filemess(curbuf, sfname, (char_u *)( |
603 # ifdef EFBIG | |
604 (errno == EFBIG) ? _("[File too big]") : | |
605 # endif | |
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606 # ifdef EOVERFLOW |
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607 (errno == EOVERFLOW) ? _("[File too big]") : |
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608 # endif |
550 | 609 _("[Permission Denied]")), 0); |
7 | 610 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
611 } | |
612 } | |
613 | |
614 return FAIL; | |
615 } | |
616 | |
617 /* | |
618 * Only set the 'ro' flag for readonly files the first time they are | |
619 * loaded. Help files always get readonly mode | |
620 */ | |
621 if ((check_readonly && file_readonly) || curbuf->b_help) | |
622 curbuf->b_p_ro = TRUE; | |
623 | |
819 | 624 if (set_options) |
7 | 625 { |
1486 | 626 /* Don't change 'eol' if reading from buffer as it will already be |
627 * correctly set when reading stdin. */ | |
628 if (!read_buffer) | |
629 { | |
630 curbuf->b_p_eol = TRUE; | |
631 curbuf->b_start_eol = TRUE; | |
632 } | |
7 | 633 curbuf->b_p_bomb = FALSE; |
1352 | 634 curbuf->b_start_bomb = FALSE; |
7 | 635 } |
636 | |
637 /* Create a swap file now, so that other Vims are warned that we are | |
638 * editing this file. | |
639 * Don't do this for a "nofile" or "nowrite" buffer type. */ | |
640 #ifdef FEAT_QUICKFIX | |
641 if (!bt_dontwrite(curbuf)) | |
642 #endif | |
643 { | |
644 check_need_swap(newfile); | |
1834 | 645 if (!read_stdin && (curbuf != old_curbuf |
646 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) | |
647 || (using_b_fname && (old_b_fname != curbuf->b_fname)))) | |
648 { | |
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649 emsg(_(e_auchangedbuf)); |
1834 | 650 if (!read_buffer) |
651 close(fd); | |
652 return FAIL; | |
653 } | |
7 | 654 #ifdef UNIX |
655 /* Set swap file protection bits after creating it. */ | |
1918 | 656 if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL |
657 && curbuf->b_ml.ml_mfp->mf_fname != NULL) | |
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658 { |
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659 char_u *swap_fname = curbuf->b_ml.ml_mfp->mf_fname; |
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660 |
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661 /* |
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662 * If the group-read bit is set but not the world-read bit, then |
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663 * the group must be equal to the group of the original file. If |
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664 * we can't make that happen then reset the group-read bit. This |
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665 * avoids making the swap file readable to more users when the |
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666 * primary group of the user is too permissive. |
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667 */ |
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668 if ((swap_mode & 044) == 040) |
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669 { |
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670 stat_T swap_st; |
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671 |
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672 if (mch_stat((char *)swap_fname, &swap_st) >= 0 |
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673 && st.st_gid != swap_st.st_gid |
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674 # ifdef HAVE_FCHOWN |
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675 && fchown(curbuf->b_ml.ml_mfp->mf_fd, -1, st.st_gid) |
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676 == -1 |
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677 # endif |
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678 ) |
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679 swap_mode &= 0600; |
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680 } |
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681 |
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682 (void)mch_setperm(swap_fname, (long)swap_mode); |
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683 } |
7 | 684 #endif |
685 } | |
686 | |
578 | 687 #if defined(HAS_SWAP_EXISTS_ACTION) |
7 | 688 /* If "Quit" selected at ATTENTION dialog, don't load the file */ |
689 if (swap_exists_action == SEA_QUIT) | |
690 { | |
691 if (!read_buffer && !read_stdin) | |
692 close(fd); | |
693 return FAIL; | |
694 } | |
695 #endif | |
696 | |
697 ++no_wait_return; /* don't wait for return yet */ | |
698 | |
699 /* | |
700 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
701 */ | |
702 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
703 curbuf->b_op_start.col = 0; | |
704 | |
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705 try_mac = (vim_strchr(p_ffs, 'm') != NULL); |
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706 try_dos = (vim_strchr(p_ffs, 'd') != NULL); |
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707 try_unix = (vim_strchr(p_ffs, 'x') != NULL); |
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708 |
7 | 709 if (!read_buffer) |
710 { | |
711 int m = msg_scroll; | |
712 int n = msg_scrolled; | |
713 | |
714 /* | |
715 * The file must be closed again, the autocommands may want to change | |
716 * the file before reading it. | |
717 */ | |
718 if (!read_stdin) | |
719 close(fd); /* ignore errors */ | |
720 | |
721 /* | |
722 * The output from the autocommands should not overwrite anything and | |
723 * should not be overwritten: Set msg_scroll, restore its value if no | |
724 * output was done. | |
725 */ | |
726 msg_scroll = TRUE; | |
727 if (filtering) | |
728 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
729 FALSE, curbuf, eap); | |
730 else if (read_stdin) | |
731 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
732 FALSE, curbuf, eap); | |
733 else if (newfile) | |
734 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
735 FALSE, curbuf, eap); | |
736 else | |
737 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
738 FALSE, NULL, eap); | |
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739 /* autocommands may have changed it */ |
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740 try_mac = (vim_strchr(p_ffs, 'm') != NULL); |
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741 try_dos = (vim_strchr(p_ffs, 'd') != NULL); |
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742 try_unix = (vim_strchr(p_ffs, 'x') != NULL); |
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743 |
7 | 744 if (msg_scrolled == n) |
745 msg_scroll = m; | |
746 | |
747 #ifdef FEAT_EVAL | |
748 if (aborting()) /* autocmds may abort script processing */ | |
749 { | |
750 --no_wait_return; | |
751 msg_scroll = msg_save; | |
752 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
753 return FAIL; | |
754 } | |
755 #endif | |
756 /* | |
757 * Don't allow the autocommands to change the current buffer. | |
758 * Try to re-open the file. | |
1834 | 759 * |
760 * Don't allow the autocommands to change the buffer name either | |
761 * (cd for example) if it invalidates fname or sfname. | |
7 | 762 */ |
763 if (!read_stdin && (curbuf != old_curbuf | |
1834 | 764 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
765 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
7 | 766 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
767 { | |
768 --no_wait_return; | |
769 msg_scroll = msg_save; | |
770 if (fd < 0) | |
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771 emsg(_("E200: *ReadPre autocommands made the file unreadable")); |
7 | 772 else |
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773 emsg(_("E201: *ReadPre autocommands must not change current buffer")); |
7 | 774 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
775 return FAIL; | |
776 } | |
777 } | |
778 | |
779 /* Autocommands may add lines to the file, need to check if it is empty */ | |
780 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
781 | |
782 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
783 { | |
784 /* | |
785 * Show the user that we are busy reading the input. Sometimes this | |
786 * may take a while. When reading from stdin another program may | |
787 * still be running, don't move the cursor to the last line, unless | |
788 * always using the GUI. | |
789 */ | |
790 if (read_stdin) | |
791 { | |
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792 if (!is_not_a_term()) |
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793 { |
7 | 794 #ifndef ALWAYS_USE_GUI |
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795 mch_msg(_("Vim: Reading from stdin...\n")); |
7 | 796 #endif |
797 #ifdef FEAT_GUI | |
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798 /* Also write a message in the GUI window, if there is one. */ |
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799 if (gui.in_use && !gui.dying && !gui.starting) |
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800 { |
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801 p = (char_u *)_("Reading from stdin..."); |
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802 gui_write(p, (int)STRLEN(p)); |
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803 } |
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804 #endif |
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805 } |
7 | 806 } |
807 else if (!read_buffer) | |
808 filemess(curbuf, sfname, (char_u *)"", 0); | |
809 } | |
810 | |
811 msg_scroll = FALSE; /* overwrite the file message */ | |
812 | |
813 /* | |
814 * Set linecnt now, before the "retry" caused by a wrong guess for | |
815 * fileformat, and after the autocommands, which may change them. | |
816 */ | |
817 linecnt = curbuf->b_ml.ml_line_count; | |
818 | |
595 | 819 /* "++bad=" argument. */ |
820 if (eap != NULL && eap->bad_char != 0) | |
612 | 821 { |
595 | 822 bad_char_behavior = eap->bad_char; |
819 | 823 if (set_options) |
612 | 824 curbuf->b_bad_char = eap->bad_char; |
825 } | |
826 else | |
827 curbuf->b_bad_char = 0; | |
595 | 828 |
7 | 829 /* |
595 | 830 * Decide which 'encoding' to use or use first. |
7 | 831 */ |
832 if (eap != NULL && eap->force_enc != 0) | |
833 { | |
834 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
835 fenc_alloced = TRUE; | |
595 | 836 keep_dest_enc = TRUE; |
7 | 837 } |
838 else if (curbuf->b_p_bin) | |
839 { | |
840 fenc = (char_u *)""; /* binary: don't convert */ | |
841 fenc_alloced = FALSE; | |
842 } | |
843 else if (curbuf->b_help) | |
844 { | |
845 char_u firstline[80]; | |
301 | 846 int fc; |
7 | 847 |
848 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
849 * fails it must be latin1. | |
850 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
851 * this when needed to avoid [converted] remarks all the time. | |
852 * It is needed when the first line contains non-ASCII characters. | |
853 * That is only in *.??x files. */ | |
854 fenc = (char_u *)"latin1"; | |
855 c = enc_utf8; | |
301 | 856 if (!c && !read_stdin) |
857 { | |
858 fc = fname[STRLEN(fname) - 1]; | |
859 if (TOLOWER_ASC(fc) == 'x') | |
860 { | |
861 /* Read the first line (and a bit more). Immediately rewind to | |
862 * the start of the file. If the read() fails "len" is -1. */ | |
2664 | 863 len = read_eintr(fd, firstline, 80); |
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864 vim_lseek(fd, (off_T)0L, SEEK_SET); |
301 | 865 for (p = firstline; p < firstline + len; ++p) |
866 if (*p >= 0x80) | |
867 { | |
868 c = TRUE; | |
869 break; | |
870 } | |
871 } | |
7 | 872 } |
873 | |
874 if (c) | |
875 { | |
876 fenc_next = fenc; | |
877 fenc = (char_u *)"utf-8"; | |
878 | |
879 /* When the file is utf-8 but a character doesn't fit in | |
880 * 'encoding' don't retry. In help text editing utf-8 bytes | |
881 * doesn't make sense. */ | |
844 | 882 if (!enc_utf8) |
883 keep_dest_enc = TRUE; | |
7 | 884 } |
885 fenc_alloced = FALSE; | |
886 } | |
887 else if (*p_fencs == NUL) | |
888 { | |
889 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
890 fenc_alloced = FALSE; | |
891 } | |
892 else | |
893 { | |
894 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
895 fenc = next_fenc(&fenc_next); | |
896 fenc_alloced = TRUE; | |
897 } | |
898 | |
899 /* | |
900 * Jump back here to retry reading the file in different ways. | |
901 * Reasons to retry: | |
902 * - encoding conversion failed: try another one from "fenc_next" | |
903 * - BOM detected and fenc was set, need to setup conversion | |
904 * - "fileformat" check failed: try another | |
905 * | |
906 * Variables set for special retry actions: | |
907 * "file_rewind" Rewind the file to start reading it again. | |
908 * "advance_fenc" Advance "fenc" using "fenc_next". | |
909 * "skip_read" Re-use already read bytes (BOM detected). | |
910 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
911 * "keep_fileformat" Don't reset "fileformat". | |
912 * | |
913 * Other status indicators: | |
914 * "tmpname" When != NULL did conversion with 'charconvert'. | |
915 * Output file has to be deleted afterwards. | |
916 * "iconv_fd" When != -1 did conversion with iconv(). | |
917 */ | |
918 retry: | |
919 | |
920 if (file_rewind) | |
921 { | |
922 if (read_buffer) | |
923 { | |
924 read_buf_lnum = 1; | |
925 read_buf_col = 0; | |
926 } | |
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diff
changeset
|
927 else if (read_stdin || vim_lseek(fd, (off_T)0L, SEEK_SET) != 0) |
7 | 928 { |
929 /* Can't rewind the file, give up. */ | |
930 error = TRUE; | |
931 goto failed; | |
932 } | |
933 /* Delete the previously read lines. */ | |
934 while (lnum > from) | |
935 ml_delete(lnum--, FALSE); | |
936 file_rewind = FALSE; | |
819 | 937 if (set_options) |
1352 | 938 { |
7 | 939 curbuf->b_p_bomb = FALSE; |
1352 | 940 curbuf->b_start_bomb = FALSE; |
941 } | |
595 | 942 conv_error = 0; |
7 | 943 } |
944 | |
945 /* | |
946 * When retrying with another "fenc" and the first time "fileformat" | |
947 * will be reset. | |
948 */ | |
949 if (keep_fileformat) | |
950 keep_fileformat = FALSE; | |
951 else | |
952 { | |
953 if (eap != NULL && eap->force_ff != 0) | |
1742 | 954 { |
7 | 955 fileformat = get_fileformat_force(curbuf, eap); |
1742 | 956 try_unix = try_dos = try_mac = FALSE; |
957 } | |
7 | 958 else if (curbuf->b_p_bin) |
959 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
960 else if (*p_ffs == NUL) | |
961 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
962 else | |
963 fileformat = EOL_UNKNOWN; /* detect from file */ | |
964 } | |
965 | |
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|
966 #ifdef USE_ICONV |
7 | 967 if (iconv_fd != (iconv_t)-1) |
968 { | |
969 /* aborted conversion with iconv(), close the descriptor */ | |
970 iconv_close(iconv_fd); | |
971 iconv_fd = (iconv_t)-1; | |
972 } | |
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|
973 #endif |
7 | 974 |
975 if (advance_fenc) | |
976 { | |
977 /* | |
978 * Try the next entry in 'fileencodings'. | |
979 */ | |
980 advance_fenc = FALSE; | |
981 | |
982 if (eap != NULL && eap->force_enc != 0) | |
983 { | |
984 /* Conversion given with "++cc=" wasn't possible, read | |
985 * without conversion. */ | |
986 notconverted = TRUE; | |
595 | 987 conv_error = 0; |
7 | 988 if (fenc_alloced) |
989 vim_free(fenc); | |
990 fenc = (char_u *)""; | |
991 fenc_alloced = FALSE; | |
992 } | |
993 else | |
994 { | |
995 if (fenc_alloced) | |
996 vim_free(fenc); | |
997 if (fenc_next != NULL) | |
998 { | |
999 fenc = next_fenc(&fenc_next); | |
1000 fenc_alloced = (fenc_next != NULL); | |
1001 } | |
1002 else | |
1003 { | |
1004 fenc = (char_u *)""; | |
1005 fenc_alloced = FALSE; | |
1006 } | |
1007 } | |
1008 if (tmpname != NULL) | |
1009 { | |
1010 mch_remove(tmpname); /* delete converted file */ | |
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1011 VIM_CLEAR(tmpname); |
7 | 1012 } |
1013 } | |
1014 | |
1015 /* | |
1948 | 1016 * Conversion may be required when the encoding of the file is different |
1017 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
7 | 1018 */ |
1019 fio_flags = 0; | |
1948 | 1020 converted = need_conversion(fenc); |
1021 if (converted) | |
7 | 1022 { |
1023 | |
1024 /* "ucs-bom" means we need to check the first bytes of the file | |
1025 * for a BOM. */ | |
1026 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
1027 fio_flags = FIO_UCSBOM; | |
1028 | |
1029 /* | |
1030 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
1031 * done. This is handled below after read(). Prepare the | |
1032 * fio_flags to avoid having to parse the string each time. | |
1033 * Also check for Unicode to Latin1 conversion, because iconv() | |
1034 * appears not to handle this correctly. This works just like | |
1035 * conversion to UTF-8 except how the resulting character is put in | |
1036 * the buffer. | |
1037 */ | |
1038 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
1039 fio_flags = get_fio_flags(fenc); | |
1040 | |
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1041 #ifdef MSWIN |
7 | 1042 /* |
1043 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
1044 * is handled with MultiByteToWideChar(). | |
1045 */ | |
1046 if (fio_flags == 0) | |
1047 fio_flags = get_win_fio_flags(fenc); | |
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1048 #endif |
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1049 |
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1050 #ifdef MACOS_CONVERT |
7 | 1051 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ |
1052 if (fio_flags == 0) | |
1053 fio_flags = get_mac_fio_flags(fenc); | |
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1054 #endif |
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1055 |
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1056 #ifdef USE_ICONV |
7 | 1057 /* |
1058 * Try using iconv() if we can't convert internally. | |
1059 */ | |
1060 if (fio_flags == 0 | |
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1061 # ifdef FEAT_EVAL |
7 | 1062 && !did_iconv |
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1063 # endif |
7 | 1064 ) |
1065 iconv_fd = (iconv_t)my_iconv_open( | |
1066 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
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1067 #endif |
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1068 |
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1069 #ifdef FEAT_EVAL |
7 | 1070 /* |
1071 * Use the 'charconvert' expression when conversion is required | |
1072 * and we can't do it internally or with iconv(). | |
1073 */ | |
1074 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
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1075 && !read_fifo |
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1076 # ifdef USE_ICONV |
7 | 1077 && iconv_fd == (iconv_t)-1 |
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1078 # endif |
7 | 1079 ) |
1080 { | |
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1081 # ifdef USE_ICONV |
7 | 1082 did_iconv = FALSE; |
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1083 # endif |
7 | 1084 /* Skip conversion when it's already done (retry for wrong |
1085 * "fileformat"). */ | |
1086 if (tmpname == NULL) | |
1087 { | |
1088 tmpname = readfile_charconvert(fname, fenc, &fd); | |
1089 if (tmpname == NULL) | |
1090 { | |
1091 /* Conversion failed. Try another one. */ | |
1092 advance_fenc = TRUE; | |
1093 if (fd < 0) | |
1094 { | |
1095 /* Re-opening the original file failed! */ | |
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1096 emsg(_("E202: Conversion made file unreadable!")); |
7 | 1097 error = TRUE; |
1098 goto failed; | |
1099 } | |
1100 goto retry; | |
1101 } | |
1102 } | |
1103 } | |
1104 else | |
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1105 #endif |
7 | 1106 { |
1107 if (fio_flags == 0 | |
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1108 #ifdef USE_ICONV |
7 | 1109 && iconv_fd == (iconv_t)-1 |
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1110 #endif |
7 | 1111 ) |
1112 { | |
1113 /* Conversion wanted but we can't. | |
1114 * Try the next conversion in 'fileencodings' */ | |
1115 advance_fenc = TRUE; | |
1116 goto retry; | |
1117 } | |
1118 } | |
1119 } | |
1120 | |
595 | 1121 /* Set "can_retry" when it's possible to rewind the file and try with |
7 | 1122 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
595 | 1123 * stdin or fixed at a specific encoding. */ |
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|
1124 can_retry = (*fenc != NUL && !read_stdin && !read_fifo && !keep_dest_enc); |
7 | 1125 |
1126 if (!skip_read) | |
1127 { | |
1128 linerest = 0; | |
1129 filesize = 0; | |
1130 skip_count = lines_to_skip; | |
1131 read_count = lines_to_read; | |
1132 conv_restlen = 0; | |
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1133 #ifdef FEAT_PERSISTENT_UNDO |
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1134 read_undo_file = (newfile && (flags & READ_KEEP_UNDO) == 0 |
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1135 && curbuf->b_ffname != NULL |
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1136 && curbuf->b_p_udf |
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1137 && !filtering |
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1138 && !read_fifo |
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1139 && !read_stdin |
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1140 && !read_buffer); |
2214
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1141 if (read_undo_file) |
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1142 sha256_start(&sha_ctx); |
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1143 #endif |
6122 | 1144 #ifdef FEAT_CRYPT |
1145 if (curbuf->b_cryptstate != NULL) | |
1146 { | |
1147 /* Need to free the state, but keep the key, don't want to ask for | |
1148 * it again. */ | |
1149 crypt_free_state(curbuf->b_cryptstate); | |
1150 curbuf->b_cryptstate = NULL; | |
1151 } | |
1152 #endif | |
7 | 1153 } |
1154 | |
1155 while (!error && !got_int) | |
1156 { | |
1157 /* | |
1158 * We allocate as much space for the file as we can get, plus | |
1159 * space for the old line plus room for one terminating NUL. | |
1160 * The amount is limited by the fact that read() only can read | |
1161 * upto max_unsigned characters (and other things). | |
1162 */ | |
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1163 if (!skip_read) |
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1164 { |
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1165 #if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
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1166 size = SSIZE_MAX; /* use max I/O size, 52K */ |
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1167 #else |
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1168 /* Use buffer >= 64K. Add linerest to double the size if the |
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1169 * line gets very long, to avoid a lot of copying. But don't |
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1170 * read more than 1 Mbyte at a time, so we can be interrupted. |
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1171 */ |
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1172 size = 0x10000L + linerest; |
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1173 if (size > 0x100000L) |
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1174 size = 0x100000L; |
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1175 #endif |
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1176 } |
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1177 |
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1178 /* Protect against the argument of lalloc() going negative. */ |
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1179 if (size < 0 || size + linerest + 1 < 0 || linerest >= MAXCOL) |
7 | 1180 { |
1181 ++split; | |
1182 *ptr = NL; /* split line by inserting a NL */ | |
1183 size = 1; | |
1184 } | |
1185 else | |
1186 { | |
1187 if (!skip_read) | |
1188 { | |
836 | 1189 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
7 | 1190 { |
1191 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
1192 FALSE)) != NULL) | |
1193 break; | |
1194 } | |
1195 if (new_buffer == NULL) | |
1196 { | |
1197 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
1198 error = TRUE; | |
1199 break; | |
1200 } | |
1201 if (linerest) /* copy characters from the previous buffer */ | |
1202 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
1203 vim_free(buffer); | |
1204 buffer = new_buffer; | |
1205 ptr = buffer + linerest; | |
1206 line_start = buffer; | |
1207 | |
1208 /* May need room to translate into. | |
1209 * For iconv() we don't really know the required space, use a | |
1210 * factor ICONV_MULT. | |
1211 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
1212 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
1213 * become up to 4 bytes, size must be multiple of 2 | |
1214 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
1215 * multiple of 2 | |
1216 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
1217 * multiple of 4 */ | |
835 | 1218 real_size = (int)size; |
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1219 #ifdef USE_ICONV |
7 | 1220 if (iconv_fd != (iconv_t)-1) |
1221 size = size / ICONV_MULT; | |
1222 else | |
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1223 #endif |
7 | 1224 if (fio_flags & FIO_LATIN1) |
1225 size = size / 2; | |
1226 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1227 size = (size * 2 / 3) & ~1; | |
1228 else if (fio_flags & FIO_UCS4) | |
1229 size = (size * 2 / 3) & ~3; | |
1230 else if (fio_flags == FIO_UCSBOM) | |
1231 size = size / ICONV_MULT; /* worst case */ | |
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1232 #ifdef MSWIN |
7 | 1233 else if (fio_flags & FIO_CODEPAGE) |
1234 size = size / ICONV_MULT; /* also worst case */ | |
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1235 #endif |
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changeset
|
1236 #ifdef MACOS_CONVERT |
7 | 1237 else if (fio_flags & FIO_MACROMAN) |
1238 size = size / ICONV_MULT; /* also worst case */ | |
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|
1239 #endif |
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|
1240 |
7 | 1241 if (conv_restlen > 0) |
1242 { | |
1243 /* Insert unconverted bytes from previous line. */ | |
1244 mch_memmove(ptr, conv_rest, conv_restlen); | |
1245 ptr += conv_restlen; | |
1246 size -= conv_restlen; | |
1247 } | |
1248 | |
1249 if (read_buffer) | |
1250 { | |
1251 /* | |
1252 * Read bytes from curbuf. Used for converting text read | |
1253 * from stdin. | |
1254 */ | |
1255 if (read_buf_lnum > from) | |
1256 size = 0; | |
1257 else | |
1258 { | |
1259 int n, ni; | |
1260 long tlen; | |
1261 | |
1262 tlen = 0; | |
1263 for (;;) | |
1264 { | |
1265 p = ml_get(read_buf_lnum) + read_buf_col; | |
1266 n = (int)STRLEN(p); | |
1267 if ((int)tlen + n + 1 > size) | |
1268 { | |
1269 /* Filled up to "size", append partial line. | |
1270 * Change NL to NUL to reverse the effect done | |
1271 * below. */ | |
835 | 1272 n = (int)(size - tlen); |
7 | 1273 for (ni = 0; ni < n; ++ni) |
1274 { | |
1275 if (p[ni] == NL) | |
1276 ptr[tlen++] = NUL; | |
1277 else | |
1278 ptr[tlen++] = p[ni]; | |
1279 } | |
1280 read_buf_col += n; | |
1281 break; | |
1282 } | |
1283 else | |
1284 { | |
1285 /* Append whole line and new-line. Change NL | |
1286 * to NUL to reverse the effect done below. */ | |
1287 for (ni = 0; ni < n; ++ni) | |
1288 { | |
1289 if (p[ni] == NL) | |
1290 ptr[tlen++] = NUL; | |
1291 else | |
1292 ptr[tlen++] = p[ni]; | |
1293 } | |
1294 ptr[tlen++] = NL; | |
1295 read_buf_col = 0; | |
1296 if (++read_buf_lnum > from) | |
1297 { | |
1298 /* When the last line didn't have an | |
1299 * end-of-line don't add it now either. */ | |
1300 if (!curbuf->b_p_eol) | |
1301 --tlen; | |
1302 size = tlen; | |
1303 break; | |
1304 } | |
1305 } | |
1306 } | |
1307 } | |
1308 } | |
1309 else | |
1310 { | |
1311 /* | |
1312 * Read bytes from the file. | |
1313 */ | |
2664 | 1314 size = read_eintr(fd, ptr, size); |
7 | 1315 } |
1316 | |
6122 | 1317 #ifdef FEAT_CRYPT |
1318 /* | |
1319 * At start of file: Check for magic number of encryption. | |
1320 */ | |
1321 if (filesize == 0 && size > 0) | |
1322 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
1323 &filesize, newfile, sfname, | |
1324 &did_ask_for_key); | |
1325 /* | |
1326 * Decrypt the read bytes. This is done before checking for | |
1327 * EOF because the crypt layer may be buffering. | |
1328 */ | |
12216
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Christian Brabandt <cb@256bit.org>
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changeset
|
1329 if (cryptkey != NULL && curbuf->b_cryptstate != NULL |
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patch 8.0.0988: warning from Covscan about using NULL pointer
Christian Brabandt <cb@256bit.org>
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|
1330 && size > 0) |
6122 | 1331 { |
15531
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changeset
|
1332 # ifdef CRYPT_NOT_INPLACE |
6122 | 1333 if (crypt_works_inplace(curbuf->b_cryptstate)) |
1334 { | |
15531
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|
1335 # endif |
6122 | 1336 crypt_decode_inplace(curbuf->b_cryptstate, ptr, size); |
15531
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changeset
|
1337 # ifdef CRYPT_NOT_INPLACE |
6122 | 1338 } |
1339 else | |
1340 { | |
1341 char_u *newptr = NULL; | |
1342 int decrypted_size; | |
1343 | |
1344 decrypted_size = crypt_decode_alloc( | |
1345 curbuf->b_cryptstate, ptr, size, &newptr); | |
1346 | |
1347 /* If the crypt layer is buffering, not producing | |
1348 * anything yet, need to read more. */ | |
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1349 if (decrypted_size == 0) |
6122 | 1350 continue; |
1351 | |
1352 if (linerest == 0) | |
1353 { | |
1354 /* Simple case: reuse returned buffer (may be | |
1355 * NULL, checked later). */ | |
1356 new_buffer = newptr; | |
1357 } | |
1358 else | |
1359 { | |
1360 long_u new_size; | |
1361 | |
1362 /* Need new buffer to add bytes carried over. */ | |
1363 new_size = (long_u)(decrypted_size + linerest + 1); | |
1364 new_buffer = lalloc(new_size, FALSE); | |
1365 if (new_buffer == NULL) | |
1366 { | |
1367 do_outofmem_msg(new_size); | |
1368 error = TRUE; | |
1369 break; | |
1370 } | |
1371 | |
1372 mch_memmove(new_buffer, buffer, linerest); | |
1373 if (newptr != NULL) | |
1374 mch_memmove(new_buffer + linerest, newptr, | |
1375 decrypted_size); | |
1376 } | |
1377 | |
1378 if (new_buffer != NULL) | |
1379 { | |
1380 vim_free(buffer); | |
1381 buffer = new_buffer; | |
1382 new_buffer = NULL; | |
1383 line_start = buffer; | |
1384 ptr = buffer + linerest; | |
1385 } | |
1386 size = decrypted_size; | |
1387 } | |
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changeset
|
1388 # endif |
6122 | 1389 } |
1390 #endif | |
1391 | |
7 | 1392 if (size <= 0) |
1393 { | |
1394 if (size < 0) /* read error */ | |
1395 error = TRUE; | |
1396 else if (conv_restlen > 0) | |
595 | 1397 { |
1597 | 1398 /* |
1399 * Reached end-of-file but some trailing bytes could | |
1400 * not be converted. Truncated file? | |
1401 */ | |
1402 | |
1403 /* When we did a conversion report an error. */ | |
1404 if (fio_flags != 0 | |
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diff
changeset
|
1405 #ifdef USE_ICONV |
1597 | 1406 || iconv_fd != (iconv_t)-1 |
15595
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diff
changeset
|
1407 #endif |
1597 | 1408 ) |
1409 { | |
4331 | 1410 if (can_retry) |
1411 goto rewind_retry; | |
1597 | 1412 if (conv_error == 0) |
1413 conv_error = curbuf->b_ml.ml_line_count | |
1414 - linecnt + 1; | |
1415 } | |
1416 /* Remember the first linenr with an illegal byte */ | |
1417 else if (illegal_byte == 0) | |
1418 illegal_byte = curbuf->b_ml.ml_line_count | |
1419 - linecnt + 1; | |
1420 if (bad_char_behavior == BAD_DROP) | |
595 | 1421 { |
1597 | 1422 *(ptr - conv_restlen) = NUL; |
1423 conv_restlen = 0; | |
1424 } | |
1425 else | |
1426 { | |
1427 /* Replace the trailing bytes with the replacement | |
1428 * character if we were converting; if we weren't, | |
1429 * leave the UTF8 checking code to do it, as it | |
1430 * works slightly differently. */ | |
1431 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
15595
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parents:
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diff
changeset
|
1432 #ifdef USE_ICONV |
1597 | 1433 || iconv_fd != (iconv_t)-1 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1434 #endif |
1597 | 1435 )) |
1436 { | |
1437 while (conv_restlen > 0) | |
1438 { | |
1439 *(--ptr) = bad_char_behavior; | |
1440 --conv_restlen; | |
1441 } | |
1442 } | |
595 | 1443 fio_flags = 0; /* don't convert this */ |
15595
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patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1444 #ifdef USE_ICONV |
834 | 1445 if (iconv_fd != (iconv_t)-1) |
1446 { | |
1447 iconv_close(iconv_fd); | |
1448 iconv_fd = (iconv_t)-1; | |
1449 } | |
15595
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patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1450 #endif |
595 | 1451 } |
1452 } | |
7 | 1453 } |
1454 } | |
1455 skip_read = FALSE; | |
1456 | |
1457 /* | |
1458 * At start of file (or after crypt magic number): Check for BOM. | |
1459 * Also check for a BOM for other Unicode encodings, but not after | |
1460 * converting with 'charconvert' or when a BOM has already been | |
1461 * found. | |
1462 */ | |
1463 if ((filesize == 0 | |
15595
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patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1464 #ifdef FEAT_CRYPT |
6122 | 1465 || (cryptkey != NULL |
1466 && filesize == crypt_get_header_len( | |
1467 crypt_get_method_nr(curbuf))) | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
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parents:
15555
diff
changeset
|
1468 #endif |
7 | 1469 ) |
1470 && (fio_flags == FIO_UCSBOM | |
1471 || (!curbuf->b_p_bomb | |
1472 && tmpname == NULL | |
1473 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
1474 { | |
1475 char_u *ccname; | |
1476 int blen; | |
1477 | |
1478 /* no BOM detection in a short file or in binary mode */ | |
1479 if (size < 2 || curbuf->b_p_bin) | |
1480 ccname = NULL; | |
1481 else | |
1482 ccname = check_for_bom(ptr, size, &blen, | |
1483 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
1484 if (ccname != NULL) | |
1485 { | |
1486 /* Remove BOM from the text */ | |
1487 filesize += blen; | |
1488 size -= blen; | |
1489 mch_memmove(ptr, ptr + blen, (size_t)size); | |
819 | 1490 if (set_options) |
1352 | 1491 { |
7 | 1492 curbuf->b_p_bomb = TRUE; |
1352 | 1493 curbuf->b_start_bomb = TRUE; |
1494 } | |
7 | 1495 } |
1496 | |
1497 if (fio_flags == FIO_UCSBOM) | |
1498 { | |
1499 if (ccname == NULL) | |
1500 { | |
1501 /* No BOM detected: retry with next encoding. */ | |
1502 advance_fenc = TRUE; | |
1503 } | |
1504 else | |
1505 { | |
1506 /* BOM detected: set "fenc" and jump back */ | |
1507 if (fenc_alloced) | |
1508 vim_free(fenc); | |
1509 fenc = ccname; | |
1510 fenc_alloced = FALSE; | |
1511 } | |
1512 /* retry reading without getting new bytes or rewinding */ | |
1513 skip_read = TRUE; | |
1514 goto retry; | |
1515 } | |
1516 } | |
1597 | 1517 |
1518 /* Include not converted bytes. */ | |
1519 ptr -= conv_restlen; | |
1520 size += conv_restlen; | |
1521 conv_restlen = 0; | |
7 | 1522 /* |
1523 * Break here for a read error or end-of-file. | |
1524 */ | |
1525 if (size <= 0) | |
1526 break; | |
1527 | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1528 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1529 #ifdef USE_ICONV |
7 | 1530 if (iconv_fd != (iconv_t)-1) |
1531 { | |
1532 /* | |
1533 * Attempt conversion of the read bytes to 'encoding' using | |
1534 * iconv(). | |
1535 */ | |
1536 const char *fromp; | |
1537 char *top; | |
1538 size_t from_size; | |
1539 size_t to_size; | |
1540 | |
1541 fromp = (char *)ptr; | |
1542 from_size = size; | |
1543 ptr += size; | |
1544 top = (char *)ptr; | |
1545 to_size = real_size - size; | |
1546 | |
1547 /* | |
1548 * If there is conversion error or not enough room try using | |
179 | 1549 * another conversion. Except for when there is no |
1550 * alternative (help files). | |
7 | 1551 */ |
177 | 1552 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
1553 &top, &to_size) | |
7 | 1554 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
1555 || from_size > CONV_RESTLEN) | |
177 | 1556 { |
595 | 1557 if (can_retry) |
375 | 1558 goto rewind_retry; |
595 | 1559 if (conv_error == 0) |
1560 conv_error = readfile_linenr(linecnt, | |
1561 ptr, (char_u *)top); | |
1562 | |
1563 /* Deal with a bad byte and continue with the next. */ | |
177 | 1564 ++fromp; |
1565 --from_size; | |
595 | 1566 if (bad_char_behavior == BAD_KEEP) |
1567 { | |
1568 *top++ = *(fromp - 1); | |
1569 --to_size; | |
1570 } | |
1571 else if (bad_char_behavior != BAD_DROP) | |
1572 { | |
1573 *top++ = bad_char_behavior; | |
1574 --to_size; | |
1575 } | |
177 | 1576 } |
7 | 1577 |
1578 if (from_size > 0) | |
1579 { | |
1580 /* Some remaining characters, keep them for the next | |
1581 * round. */ | |
1582 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
1583 conv_restlen = (int)from_size; | |
1584 } | |
1585 | |
1586 /* move the linerest to before the converted characters */ | |
1587 line_start = ptr - linerest; | |
1588 mch_memmove(line_start, buffer, (size_t)linerest); | |
1589 size = (long)((char_u *)top - ptr); | |
1590 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1591 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1592 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
1593 #ifdef MSWIN |
7 | 1594 if (fio_flags & FIO_CODEPAGE) |
1595 { | |
595 | 1596 char_u *src, *dst; |
1597 WCHAR ucs2buf[3]; | |
1598 int ucs2len; | |
1599 int codepage = FIO_GET_CP(fio_flags); | |
1600 int bytelen; | |
1601 int found_bad; | |
1602 char replstr[2]; | |
1603 | |
7 | 1604 /* |
1605 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
595 | 1606 * a codepage, using standard MS-Windows functions. This |
1607 * requires two steps: | |
1608 * 1. convert from 'fileencoding' to ucs-2 | |
1609 * 2. convert from ucs-2 to 'encoding' | |
1610 * | |
1611 * Because there may be illegal bytes AND an incomplete byte | |
1612 * sequence at the end, we may have to do the conversion one | |
1613 * character at a time to get it right. | |
7 | 1614 */ |
595 | 1615 |
1616 /* Replacement string for WideCharToMultiByte(). */ | |
1617 if (bad_char_behavior > 0) | |
1618 replstr[0] = bad_char_behavior; | |
1619 else | |
1620 replstr[0] = '?'; | |
1621 replstr[1] = NUL; | |
1622 | |
1623 /* | |
1624 * Move the bytes to the end of the buffer, so that we have | |
1625 * room to put the result at the start. | |
1626 */ | |
1627 src = ptr + real_size - size; | |
1628 mch_memmove(src, ptr, size); | |
7 | 1629 |
1630 /* | |
595 | 1631 * Do the conversion. |
7 | 1632 */ |
595 | 1633 dst = ptr; |
1634 size = size; | |
1635 while (size > 0) | |
7 | 1636 { |
595 | 1637 found_bad = FALSE; |
7 | 1638 |
1639 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
595 | 1640 if (codepage == CP_UTF8) |
7 | 1641 { |
595 | 1642 /* Handle CP_UTF8 input ourselves to be able to handle |
1643 * trailing bytes properly. | |
1644 * Get one UTF-8 character from src. */ | |
835 | 1645 bytelen = (int)utf_ptr2len_len(src, size); |
595 | 1646 if (bytelen > size) |
1647 { | |
1648 /* Only got some bytes of a character. Normally | |
1649 * it's put in "conv_rest", but if it's too long | |
1650 * deal with it as if they were illegal bytes. */ | |
1651 if (bytelen <= CONV_RESTLEN) | |
1652 break; | |
1653 | |
1654 /* weird overlong byte sequence */ | |
1655 bytelen = size; | |
1656 found_bad = TRUE; | |
1657 } | |
1658 else | |
1659 { | |
799 | 1660 int u8c = utf_ptr2char(src); |
1661 | |
622 | 1662 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
595 | 1663 found_bad = TRUE; |
1664 ucs2buf[0] = u8c; | |
1665 ucs2len = 1; | |
1666 } | |
7 | 1667 } |
595 | 1668 else |
7 | 1669 # endif |
595 | 1670 { |
1671 /* We don't know how long the byte sequence is, try | |
1672 * from one to three bytes. */ | |
1673 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
1674 ++bytelen) | |
1675 { | |
1676 ucs2len = MultiByteToWideChar(codepage, | |
1677 MB_ERR_INVALID_CHARS, | |
1678 (LPCSTR)src, bytelen, | |
1679 ucs2buf, 3); | |
1680 if (ucs2len > 0) | |
1681 break; | |
1682 } | |
1683 if (ucs2len == 0) | |
1684 { | |
1685 /* If we have only one byte then it's probably an | |
1686 * incomplete byte sequence. Otherwise discard | |
1687 * one byte as a bad character. */ | |
1688 if (size == 1) | |
1689 break; | |
1690 found_bad = TRUE; | |
1691 bytelen = 1; | |
1692 } | |
1693 } | |
1694 | |
1695 if (!found_bad) | |
7 | 1696 { |
595 | 1697 int i; |
1698 | |
1699 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
1700 if (enc_utf8) | |
1701 { | |
1702 /* From UCS-2 to UTF-8. Cannot fail. */ | |
1703 for (i = 0; i < ucs2len; ++i) | |
1704 dst += utf_char2bytes(ucs2buf[i], dst); | |
1705 } | |
1706 else | |
1707 { | |
1708 BOOL bad = FALSE; | |
1709 int dstlen; | |
1710 | |
1711 /* From UCS-2 to "enc_codepage". If the | |
1712 * conversion uses the default character "?", | |
1713 * the data doesn't fit in this encoding. */ | |
1714 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
1715 (LPCWSTR)ucs2buf, ucs2len, | |
835 | 1716 (LPSTR)dst, (int)(src - dst), |
595 | 1717 replstr, &bad); |
1718 if (bad) | |
1719 found_bad = TRUE; | |
1720 else | |
1721 dst += dstlen; | |
1722 } | |
7 | 1723 } |
595 | 1724 |
1725 if (found_bad) | |
1726 { | |
1727 /* Deal with bytes we can't convert. */ | |
1728 if (can_retry) | |
1729 goto rewind_retry; | |
1730 if (conv_error == 0) | |
1731 conv_error = readfile_linenr(linecnt, ptr, dst); | |
1732 if (bad_char_behavior != BAD_DROP) | |
1733 { | |
1734 if (bad_char_behavior == BAD_KEEP) | |
1735 { | |
1736 mch_memmove(dst, src, bytelen); | |
1737 dst += bytelen; | |
1738 } | |
1739 else | |
1740 *dst++ = bad_char_behavior; | |
1741 } | |
1742 } | |
1743 | |
1744 src += bytelen; | |
1745 size -= bytelen; | |
7 | 1746 } |
595 | 1747 |
1748 if (size > 0) | |
7 | 1749 { |
595 | 1750 /* An incomplete byte sequence remaining. */ |
1751 mch_memmove(conv_rest, src, size); | |
1752 conv_restlen = size; | |
7 | 1753 } |
595 | 1754 |
1755 /* The new size is equal to how much "dst" was advanced. */ | |
835 | 1756 size = (long)(dst - ptr); |
7 | 1757 } |
1758 else | |
15595
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Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1759 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1760 #ifdef MACOS_CONVERT |
7 | 1761 if (fio_flags & FIO_MACROMAN) |
1762 { | |
1763 /* | |
1764 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
18 | 1765 * latin1. This is in os_mac_conv.c. |
7 | 1766 */ |
18 | 1767 if (macroman2enc(ptr, &size, real_size) == FAIL) |
7 | 1768 goto rewind_retry; |
1769 } | |
1770 else | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1771 #endif |
7 | 1772 if (fio_flags != 0) |
1773 { | |
1774 int u8c; | |
1775 char_u *dest; | |
1776 char_u *tail = NULL; | |
1777 | |
1778 /* | |
1779 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
1780 * "enc_utf8" not set: Convert Unicode to Latin1. | |
1781 * Go from end to start through the buffer, because the number | |
1782 * of bytes may increase. | |
1783 * "dest" points to after where the UTF-8 bytes go, "p" points | |
1784 * to after the next character to convert. | |
1785 */ | |
1786 dest = ptr + real_size; | |
1787 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
1788 { | |
1789 p = ptr + size; | |
1790 if (fio_flags == FIO_UTF8) | |
1791 { | |
1792 /* Check for a trailing incomplete UTF-8 sequence */ | |
1793 tail = ptr + size - 1; | |
1794 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
1795 --tail; | |
1796 if (tail + utf_byte2len(*tail) <= ptr + size) | |
1797 tail = NULL; | |
1798 else | |
1799 p = tail; | |
1800 } | |
1801 } | |
1802 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1803 { | |
1804 /* Check for a trailing byte */ | |
1805 p = ptr + (size & ~1); | |
1806 if (size & 1) | |
1807 tail = p; | |
1808 if ((fio_flags & FIO_UTF16) && p > ptr) | |
1809 { | |
1810 /* Check for a trailing leading word */ | |
1811 if (fio_flags & FIO_ENDIAN_L) | |
1812 { | |
1813 u8c = (*--p << 8); | |
1814 u8c += *--p; | |
1815 } | |
1816 else | |
1817 { | |
1818 u8c = *--p; | |
1819 u8c += (*--p << 8); | |
1820 } | |
1821 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
1822 tail = p; | |
1823 else | |
1824 p += 2; | |
1825 } | |
1826 } | |
1827 else /* FIO_UCS4 */ | |
1828 { | |
1829 /* Check for trailing 1, 2 or 3 bytes */ | |
1830 p = ptr + (size & ~3); | |
1831 if (size & 3) | |
1832 tail = p; | |
1833 } | |
1834 | |
1835 /* If there is a trailing incomplete sequence move it to | |
1836 * conv_rest[]. */ | |
1837 if (tail != NULL) | |
1838 { | |
1839 conv_restlen = (int)((ptr + size) - tail); | |
1840 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
1841 size -= conv_restlen; | |
1842 } | |
1843 | |
1844 | |
1845 while (p > ptr) | |
1846 { | |
1847 if (fio_flags & FIO_LATIN1) | |
1848 u8c = *--p; | |
1849 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1850 { | |
1851 if (fio_flags & FIO_ENDIAN_L) | |
1852 { | |
1853 u8c = (*--p << 8); | |
1854 u8c += *--p; | |
1855 } | |
1856 else | |
1857 { | |
1858 u8c = *--p; | |
1859 u8c += (*--p << 8); | |
1860 } | |
1861 if ((fio_flags & FIO_UTF16) | |
1862 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
1863 { | |
1864 int u16c; | |
1865 | |
1866 if (p == ptr) | |
1867 { | |
1868 /* Missing leading word. */ | |
1869 if (can_retry) | |
1870 goto rewind_retry; | |
595 | 1871 if (conv_error == 0) |
1872 conv_error = readfile_linenr(linecnt, | |
1873 ptr, p); | |
1874 if (bad_char_behavior == BAD_DROP) | |
1875 continue; | |
1876 if (bad_char_behavior != BAD_KEEP) | |
1877 u8c = bad_char_behavior; | |
7 | 1878 } |
1879 | |
1880 /* found second word of double-word, get the first | |
1881 * word and compute the resulting character */ | |
1882 if (fio_flags & FIO_ENDIAN_L) | |
1883 { | |
1884 u16c = (*--p << 8); | |
1885 u16c += *--p; | |
1886 } | |
1887 else | |
1888 { | |
1889 u16c = *--p; | |
1890 u16c += (*--p << 8); | |
1891 } | |
595 | 1892 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
1893 + (u8c & 0x3ff); | |
1894 | |
7 | 1895 /* Check if the word is indeed a leading word. */ |
1896 if (u16c < 0xd800 || u16c > 0xdbff) | |
1897 { | |
1898 if (can_retry) | |
1899 goto rewind_retry; | |
595 | 1900 if (conv_error == 0) |
1901 conv_error = readfile_linenr(linecnt, | |
1902 ptr, p); | |
1903 if (bad_char_behavior == BAD_DROP) | |
1904 continue; | |
1905 if (bad_char_behavior != BAD_KEEP) | |
1906 u8c = bad_char_behavior; | |
7 | 1907 } |
1908 } | |
1909 } | |
1910 else if (fio_flags & FIO_UCS4) | |
1911 { | |
1912 if (fio_flags & FIO_ENDIAN_L) | |
1913 { | |
12698
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
12656
diff
changeset
|
1914 u8c = (unsigned)*--p << 24; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
12656
diff
changeset
|
1915 u8c += (unsigned)*--p << 16; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
12656
diff
changeset
|
1916 u8c += (unsigned)*--p << 8; |
7 | 1917 u8c += *--p; |
1918 } | |
1919 else /* big endian */ | |
1920 { | |
1921 u8c = *--p; | |
12698
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
12656
diff
changeset
|
1922 u8c += (unsigned)*--p << 8; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
12656
diff
changeset
|
1923 u8c += (unsigned)*--p << 16; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
12656
diff
changeset
|
1924 u8c += (unsigned)*--p << 24; |
7 | 1925 } |
1926 } | |
1927 else /* UTF-8 */ | |
1928 { | |
1929 if (*--p < 0x80) | |
1930 u8c = *p; | |
1931 else | |
1932 { | |
1933 len = utf_head_off(ptr, p); | |
595 | 1934 p -= len; |
1935 u8c = utf_ptr2char(p); | |
7 | 1936 if (len == 0) |
1937 { | |
1938 /* Not a valid UTF-8 character, retry with | |
1939 * another fenc when possible, otherwise just | |
1940 * report the error. */ | |
1941 if (can_retry) | |
1942 goto rewind_retry; | |
595 | 1943 if (conv_error == 0) |
1944 conv_error = readfile_linenr(linecnt, | |
1945 ptr, p); | |
1946 if (bad_char_behavior == BAD_DROP) | |
1947 continue; | |
1948 if (bad_char_behavior != BAD_KEEP) | |
1949 u8c = bad_char_behavior; | |
7 | 1950 } |
1951 } | |
1952 } | |
1953 if (enc_utf8) /* produce UTF-8 */ | |
1954 { | |
1955 dest -= utf_char2len(u8c); | |
1956 (void)utf_char2bytes(u8c, dest); | |
1957 } | |
1958 else /* produce Latin1 */ | |
1959 { | |
1960 --dest; | |
1961 if (u8c >= 0x100) | |
1962 { | |
1963 /* character doesn't fit in latin1, retry with | |
1964 * another fenc when possible, otherwise just | |
1965 * report the error. */ | |
595 | 1966 if (can_retry) |
7 | 1967 goto rewind_retry; |
595 | 1968 if (conv_error == 0) |
1969 conv_error = readfile_linenr(linecnt, ptr, p); | |
1970 if (bad_char_behavior == BAD_DROP) | |
1971 ++dest; | |
1972 else if (bad_char_behavior == BAD_KEEP) | |
1973 *dest = u8c; | |
1974 else if (eap != NULL && eap->bad_char != 0) | |
1975 *dest = bad_char_behavior; | |
1976 else | |
1977 *dest = 0xBF; | |
7 | 1978 } |
1979 else | |
1980 *dest = u8c; | |
1981 } | |
1982 } | |
1983 | |
1984 /* move the linerest to before the converted characters */ | |
1985 line_start = dest - linerest; | |
1986 mch_memmove(line_start, buffer, (size_t)linerest); | |
1987 size = (long)((ptr + real_size) - dest); | |
1988 ptr = dest; | |
1989 } | |
1597 | 1990 else if (enc_utf8 && !curbuf->b_p_bin) |
1991 { | |
1992 int incomplete_tail = FALSE; | |
1993 | |
1994 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
1995 for (p = ptr; ; ++p) | |
7 | 1996 { |
835 | 1997 int todo = (int)((ptr + size) - p); |
595 | 1998 int l; |
1999 | |
2000 if (todo <= 0) | |
2001 break; | |
7 | 2002 if (*p >= 0x80) |
2003 { | |
2004 /* A length of 1 means it's an illegal byte. Accept | |
2005 * an incomplete character at the end though, the next | |
2006 * read() will get the next bytes, we'll check it | |
2007 * then. */ | |
595 | 2008 l = utf_ptr2len_len(p, todo); |
1597 | 2009 if (l > todo && !incomplete_tail) |
7 | 2010 { |
1597 | 2011 /* Avoid retrying with a different encoding when |
2012 * a truncated file is more likely, or attempting | |
2013 * to read the rest of an incomplete sequence when | |
2014 * we have already done so. */ | |
2015 if (p > ptr || filesize > 0) | |
2016 incomplete_tail = TRUE; | |
2017 /* Incomplete byte sequence, move it to conv_rest[] | |
2018 * and try to read the rest of it, unless we've | |
2019 * already done so. */ | |
2020 if (p > ptr) | |
2021 { | |
2022 conv_restlen = todo; | |
2023 mch_memmove(conv_rest, p, conv_restlen); | |
2024 size -= conv_restlen; | |
2025 break; | |
2026 } | |
7 | 2027 } |
1597 | 2028 if (l == 1 || l > todo) |
595 | 2029 { |
2030 /* Illegal byte. If we can try another encoding | |
1597 | 2031 * do that, unless at EOF where a truncated |
2032 * file is more likely than a conversion error. */ | |
2033 if (can_retry && !incomplete_tail) | |
595 | 2034 break; |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2035 #ifdef USE_ICONV |
595 | 2036 /* When we did a conversion report an error. */ |
2037 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
2038 conv_error = readfile_linenr(linecnt, ptr, p); | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2039 #endif |
1597 | 2040 /* Remember the first linenr with an illegal byte */ |
2041 if (conv_error == 0 && illegal_byte == 0) | |
2042 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
595 | 2043 |
2044 /* Drop, keep or replace the bad byte. */ | |
2045 if (bad_char_behavior == BAD_DROP) | |
2046 { | |
1597 | 2047 mch_memmove(p, p + 1, todo - 1); |
595 | 2048 --p; |
2049 --size; | |
2050 } | |
2051 else if (bad_char_behavior != BAD_KEEP) | |
2052 *p = bad_char_behavior; | |
2053 } | |
1597 | 2054 else |
2055 p += l - 1; | |
7 | 2056 } |
2057 } | |
1597 | 2058 if (p < ptr + size && !incomplete_tail) |
7 | 2059 { |
2060 /* Detected a UTF-8 error. */ | |
2061 rewind_retry: | |
595 | 2062 /* Retry reading with another conversion. */ |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2063 #if defined(FEAT_EVAL) && defined(USE_ICONV) |
595 | 2064 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
2065 /* iconv() failed, try 'charconvert' */ | |
2066 did_iconv = TRUE; | |
7 | 2067 else |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2068 #endif |
595 | 2069 /* use next item from 'fileencodings' */ |
2070 advance_fenc = TRUE; | |
2071 file_rewind = TRUE; | |
2072 goto retry; | |
7 | 2073 } |
2074 } | |
2075 | |
2076 /* count the number of characters (after conversion!) */ | |
2077 filesize += size; | |
2078 | |
2079 /* | |
2080 * when reading the first part of a file: guess EOL type | |
2081 */ | |
2082 if (fileformat == EOL_UNKNOWN) | |
2083 { | |
2084 /* First try finding a NL, for Dos and Unix */ | |
2085 if (try_dos || try_unix) | |
2086 { | |
6635 | 2087 /* Reset the carriage return counter. */ |
2088 if (try_mac) | |
2089 try_mac = 1; | |
2090 | |
7 | 2091 for (p = ptr; p < ptr + size; ++p) |
2092 { | |
2093 if (*p == NL) | |
2094 { | |
2095 if (!try_unix | |
2096 || (try_dos && p > ptr && p[-1] == CAR)) | |
2097 fileformat = EOL_DOS; | |
2098 else | |
2099 fileformat = EOL_UNIX; | |
2100 break; | |
2101 } | |
6618 | 2102 else if (*p == CAR && try_mac) |
2103 try_mac++; | |
7 | 2104 } |
2105 | |
2106 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
2107 if (fileformat == EOL_UNIX && try_mac) | |
2108 { | |
2109 /* Need to reset the counters when retrying fenc. */ | |
2110 try_mac = 1; | |
2111 try_unix = 1; | |
2112 for (; p >= ptr && *p != CAR; p--) | |
2113 ; | |
2114 if (p >= ptr) | |
2115 { | |
2116 for (p = ptr; p < ptr + size; ++p) | |
2117 { | |
2118 if (*p == NL) | |
2119 try_unix++; | |
2120 else if (*p == CAR) | |
2121 try_mac++; | |
2122 } | |
2123 if (try_mac > try_unix) | |
2124 fileformat = EOL_MAC; | |
2125 } | |
2126 } | |
6618 | 2127 else if (fileformat == EOL_UNKNOWN && try_mac == 1) |
2128 /* Looking for CR but found no end-of-line markers at | |
2129 * all: use the default format. */ | |
2130 fileformat = default_fileformat(); | |
7 | 2131 } |
2132 | |
2133 /* No NL found: may use Mac format */ | |
2134 if (fileformat == EOL_UNKNOWN && try_mac) | |
2135 fileformat = EOL_MAC; | |
2136 | |
2137 /* Still nothing found? Use first format in 'ffs' */ | |
2138 if (fileformat == EOL_UNKNOWN) | |
2139 fileformat = default_fileformat(); | |
2140 | |
2141 /* if editing a new file: may set p_tx and p_ff */ | |
819 | 2142 if (set_options) |
7 | 2143 set_fileformat(fileformat, OPT_LOCAL); |
2144 } | |
2145 } | |
2146 | |
2147 /* | |
2148 * This loop is executed once for every character read. | |
2149 * Keep it fast! | |
2150 */ | |
2151 if (fileformat == EOL_MAC) | |
2152 { | |
2153 --ptr; | |
2154 while (++ptr, --size >= 0) | |
2155 { | |
2156 /* catch most common case first */ | |
2157 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
2158 continue; | |
2159 if (c == NUL) | |
2160 *ptr = NL; /* NULs are replaced by newlines! */ | |
2161 else if (c == NL) | |
2162 *ptr = CAR; /* NLs are replaced by CRs! */ | |
2163 else | |
2164 { | |
2165 if (skip_count == 0) | |
2166 { | |
2167 *ptr = NUL; /* end of line */ | |
2168 len = (colnr_T) (ptr - line_start + 1); | |
2169 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2170 { | |
2171 error = TRUE; | |
2172 break; | |
2173 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2174 #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
|
2175 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
|
2176 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
|
2177 #endif |
7 | 2178 ++lnum; |
2179 if (--read_count == 0) | |
2180 { | |
2181 error = TRUE; /* break loop */ | |
2182 line_start = ptr; /* nothing left to write */ | |
2183 break; | |
2184 } | |
2185 } | |
2186 else | |
2187 --skip_count; | |
2188 line_start = ptr + 1; | |
2189 } | |
2190 } | |
2191 } | |
2192 else | |
2193 { | |
2194 --ptr; | |
2195 while (++ptr, --size >= 0) | |
2196 { | |
2197 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
2198 continue; | |
2199 if (c == NUL) | |
2200 *ptr = NL; /* NULs are replaced by newlines! */ | |
2201 else | |
2202 { | |
2203 if (skip_count == 0) | |
2204 { | |
2205 *ptr = NUL; /* end of line */ | |
2206 len = (colnr_T)(ptr - line_start + 1); | |
2207 if (fileformat == EOL_DOS) | |
2208 { | |
10674
d6857a8dc07e
patch 8.0.0227: crash with ff=dos when first line in file has no CR
Christian Brabandt <cb@256bit.org>
parents:
10668
diff
changeset
|
2209 if (ptr > line_start && ptr[-1] == CAR) |
7 | 2210 { |
10674
d6857a8dc07e
patch 8.0.0227: crash with ff=dos when first line in file has no CR
Christian Brabandt <cb@256bit.org>
parents:
10668
diff
changeset
|
2211 /* remove CR before NL */ |
7 | 2212 ptr[-1] = NUL; |
2213 --len; | |
2214 } | |
2215 /* | |
2216 * Reading in Dos format, but no CR-LF found! | |
2217 * When 'fileformats' includes "unix", delete all | |
2218 * the lines read so far and start all over again. | |
2219 * Otherwise give an error message later. | |
2220 */ | |
2221 else if (ff_error != EOL_DOS) | |
2222 { | |
2223 if ( try_unix | |
2224 && !read_stdin | |
2225 && (read_buffer | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
2226 || vim_lseek(fd, (off_T)0L, SEEK_SET) |
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
2227 == 0)) |
7 | 2228 { |
2229 fileformat = EOL_UNIX; | |
819 | 2230 if (set_options) |
7 | 2231 set_fileformat(EOL_UNIX, OPT_LOCAL); |
2232 file_rewind = TRUE; | |
2233 keep_fileformat = TRUE; | |
2234 goto retry; | |
2235 } | |
2236 ff_error = EOL_DOS; | |
2237 } | |
2238 } | |
2239 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2240 { | |
2241 error = TRUE; | |
2242 break; | |
2243 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2244 #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
|
2245 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
|
2246 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
|
2247 #endif |
7 | 2248 ++lnum; |
2249 if (--read_count == 0) | |
2250 { | |
2251 error = TRUE; /* break loop */ | |
2252 line_start = ptr; /* nothing left to write */ | |
2253 break; | |
2254 } | |
2255 } | |
2256 else | |
2257 --skip_count; | |
2258 line_start = ptr + 1; | |
2259 } | |
2260 } | |
2261 } | |
2262 linerest = (long)(ptr - line_start); | |
2263 ui_breakcheck(); | |
2264 } | |
2265 | |
2266 failed: | |
2267 /* not an error, max. number of lines reached */ | |
2268 if (error && read_count == 0) | |
2269 error = FALSE; | |
2270 | |
2271 /* | |
2272 * If we get EOF in the middle of a line, note the fact and | |
2273 * complete the line ourselves. | |
2274 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
2275 */ | |
2276 if (!error | |
2277 && !got_int | |
2278 && linerest != 0 | |
2279 && !(!curbuf->b_p_bin | |
2280 && fileformat == EOL_DOS | |
2281 && *line_start == Ctrl_Z | |
2282 && ptr == line_start + 1)) | |
2283 { | |
819 | 2284 /* remember for when writing */ |
2285 if (set_options) | |
7 | 2286 curbuf->b_p_eol = FALSE; |
2287 *ptr = NUL; | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2288 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
|
2289 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
7 | 2290 error = TRUE; |
2291 else | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2292 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2293 #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
|
2294 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
|
2295 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
|
2296 #endif |
7 | 2297 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
|
2298 } |
7 | 2299 } |
2300 | |
819 | 2301 if (set_options) |
7 | 2302 save_file_ff(curbuf); /* remember the current file format */ |
2303 | |
2304 #ifdef FEAT_CRYPT | |
6122 | 2305 if (curbuf->b_cryptstate != NULL) |
2306 { | |
2307 crypt_free_state(curbuf->b_cryptstate); | |
2308 curbuf->b_cryptstate = NULL; | |
2309 } | |
2310 if (cryptkey != NULL && cryptkey != curbuf->b_p_key) | |
2311 crypt_free_key(cryptkey); | |
2312 /* Don't set cryptkey to NULL, it's used below as a flag that | |
2313 * encryption was used. */ | |
7 | 2314 #endif |
2315 | |
819 | 2316 /* If editing a new file: set 'fenc' for the current buffer. |
2317 * Also for ":read ++edit file". */ | |
2318 if (set_options) | |
7 | 2319 set_string_option_direct((char_u *)"fenc", -1, fenc, |
694 | 2320 OPT_FREE|OPT_LOCAL, 0); |
7 | 2321 if (fenc_alloced) |
2322 vim_free(fenc); | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2323 #ifdef USE_ICONV |
7 | 2324 if (iconv_fd != (iconv_t)-1) |
2325 { | |
2326 iconv_close(iconv_fd); | |
2327 iconv_fd = (iconv_t)-1; | |
2328 } | |
2329 #endif | |
2330 | |
2331 if (!read_buffer && !read_stdin) | |
2332 close(fd); /* errors are ignored */ | |
2003 | 2333 #ifdef HAVE_FD_CLOEXEC |
2334 else | |
2335 { | |
2336 int fdflags = fcntl(fd, F_GETFD); | |
2337 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
|
2338 (void)fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); |
2003 | 2339 } |
2340 #endif | |
7 | 2341 vim_free(buffer); |
2342 | |
2343 #ifdef HAVE_DUP | |
2344 if (read_stdin) | |
2345 { | |
2346 /* Use stderr for stdin, makes shell commands work. */ | |
2347 close(0); | |
14730
193471015e1a
patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions
Christian Brabandt <cb@256bit.org>
parents:
14700
diff
changeset
|
2348 vim_ignored = dup(2); |
7 | 2349 } |
2350 #endif | |
2351 | |
2352 if (tmpname != NULL) | |
2353 { | |
2354 mch_remove(tmpname); /* delete converted file */ | |
2355 vim_free(tmpname); | |
2356 } | |
2357 --no_wait_return; /* may wait for return now */ | |
2358 | |
2359 /* | |
2360 * In recovery mode everything but autocommands is skipped. | |
2361 */ | |
2362 if (!recoverymode) | |
2363 { | |
2364 /* need to delete the last line, which comes from the empty buffer */ | |
2365 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
2366 { | |
2367 #ifdef FEAT_NETBEANS_INTG | |
2368 netbeansFireChanges = 0; | |
2369 #endif | |
2370 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
2371 #ifdef FEAT_NETBEANS_INTG | |
2372 netbeansFireChanges = 1; | |
2373 #endif | |
2374 --linecnt; | |
2375 } | |
2376 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
2377 if (filesize == 0) | |
2378 linecnt = 0; | |
2379 if (newfile || read_buffer) | |
1201 | 2380 { |
7 | 2381 redraw_curbuf_later(NOT_VALID); |
1201 | 2382 #ifdef FEAT_DIFF |
2383 /* After reading the text into the buffer the diff info needs to | |
2384 * be updated. */ | |
2385 diff_invalidate(curbuf); | |
2386 #endif | |
2387 #ifdef FEAT_FOLDING | |
2388 /* All folds in the window are invalid now. Mark them for update | |
2389 * before triggering autocommands. */ | |
2390 foldUpdateAll(curwin); | |
2391 #endif | |
2392 } | |
7 | 2393 else if (linecnt) /* appended at least one line */ |
2394 appended_lines_mark(from, linecnt); | |
2395 | |
2396 #ifndef ALWAYS_USE_GUI | |
2397 /* | |
2398 * If we were reading from the same terminal as where messages go, | |
2399 * the screen will have been messed up. | |
2400 * Switch on raw mode now and clear the screen. | |
2401 */ | |
2402 if (read_stdin) | |
2403 { | |
2404 settmode(TMODE_RAW); /* set to raw mode */ | |
2405 starttermcap(); | |
2406 screenclear(); | |
2407 } | |
2408 #endif | |
2409 | |
2410 if (got_int) | |
2411 { | |
2412 if (!(flags & READ_DUMMY)) | |
2413 { | |
2414 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
2415 if (newfile) | |
2416 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
2417 } | |
2418 msg_scroll = msg_save; | |
2419 #ifdef FEAT_VIMINFO | |
2420 check_marks_read(); | |
2421 #endif | |
2422 return OK; /* an interrupt isn't really an error */ | |
2423 } | |
2424 | |
2425 if (!filtering && !(flags & READ_DUMMY)) | |
2426 { | |
2427 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
2428 c = FALSE; | |
2429 | |
2430 #ifdef UNIX | |
14509
80f715651c4c
patch 8.1.0268: file type checking has too many #ifdef
Christian Brabandt <cb@256bit.org>
parents:
14475
diff
changeset
|
2431 if (S_ISFIFO(perm)) /* fifo */ |
7 | 2432 { |
2433 STRCAT(IObuff, _("[fifo]")); | |
2434 c = TRUE; | |
2435 } | |
14509
80f715651c4c
patch 8.1.0268: file type checking has too many #ifdef
Christian Brabandt <cb@256bit.org>
parents:
14475
diff
changeset
|
2436 if (S_ISSOCK(perm)) /* or socket */ |
7 | 2437 { |
2438 STRCAT(IObuff, _("[socket]")); | |
2439 c = TRUE; | |
2440 } | |
1313 | 2441 # ifdef OPEN_CHR_FILES |
2442 if (S_ISCHR(perm)) /* or character special */ | |
2443 { | |
2444 STRCAT(IObuff, _("[character special]")); | |
2445 c = TRUE; | |
2446 } | |
2447 # endif | |
7 | 2448 #endif |
2449 if (curbuf->b_p_ro) | |
2450 { | |
2451 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
2452 c = TRUE; | |
2453 } | |
2454 if (read_no_eol_lnum) | |
2455 { | |
2456 msg_add_eol(); | |
2457 c = TRUE; | |
2458 } | |
2459 if (ff_error == EOL_DOS) | |
2460 { | |
2461 STRCAT(IObuff, _("[CR missing]")); | |
2462 c = TRUE; | |
2463 } | |
2464 if (split) | |
2465 { | |
2466 STRCAT(IObuff, _("[long lines split]")); | |
2467 c = TRUE; | |
2468 } | |
2469 if (notconverted) | |
2470 { | |
2471 STRCAT(IObuff, _("[NOT converted]")); | |
2472 c = TRUE; | |
2473 } | |
2474 else if (converted) | |
2475 { | |
2476 STRCAT(IObuff, _("[converted]")); | |
2477 c = TRUE; | |
2478 } | |
2479 #ifdef FEAT_CRYPT | |
2480 if (cryptkey != NULL) | |
2481 { | |
6122 | 2482 crypt_append_msg(curbuf); |
7 | 2483 c = TRUE; |
2484 } | |
2485 #endif | |
595 | 2486 if (conv_error != 0) |
2487 { | |
2488 sprintf((char *)IObuff + STRLEN(IObuff), | |
2489 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
7 | 2490 c = TRUE; |
2491 } | |
2492 else if (illegal_byte > 0) | |
2493 { | |
2494 sprintf((char *)IObuff + STRLEN(IObuff), | |
2495 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
2496 c = TRUE; | |
2497 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2498 else if (error) |
7 | 2499 { |
2500 STRCAT(IObuff, _("[READ ERRORS]")); | |
2501 c = TRUE; | |
2502 } | |
2503 if (msg_add_fileformat(fileformat)) | |
2504 c = TRUE; | |
2505 #ifdef FEAT_CRYPT | |
2506 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
|
2507 msg_add_lines(c, (long)linecnt, filesize |
6122 | 2508 - crypt_get_header_len(crypt_get_method_nr(curbuf))); |
7 | 2509 else |
2510 #endif | |
2511 msg_add_lines(c, (long)linecnt, filesize); | |
2512 | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
2513 VIM_CLEAR(keep_msg); |
7 | 2514 msg_scrolled_ign = TRUE; |
2515 #ifdef ALWAYS_USE_GUI | |
2516 /* Don't show the message when reading stdin, it would end up in a | |
2517 * message box (which might be shown when exiting!) */ | |
2518 if (read_stdin || read_buffer) | |
2519 p = msg_may_trunc(FALSE, IObuff); | |
2520 else | |
2521 #endif | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
2522 p = (char_u *)msg_trunc_attr((char *)IObuff, FALSE, 0); |
7 | 2523 if (read_stdin || read_buffer || restart_edit != 0 |
540 | 2524 || (msg_scrolled != 0 && !need_wait_return)) |
7 | 2525 /* Need to repeat the message after redrawing when: |
2526 * - When reading from stdin (the screen will be cleared next). | |
2527 * - When restart_edit is set (otherwise there will be a delay | |
2528 * before redrawing). | |
2529 * - When the screen was scrolled but there is no wait-return | |
2530 * prompt. */ | |
679 | 2531 set_keep_msg(p, 0); |
7 | 2532 msg_scrolled_ign = FALSE; |
2533 } | |
2534 | |
2535 /* with errors writing the file requires ":w!" */ | |
2536 if (newfile && (error | |
595 | 2537 || conv_error != 0 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2538 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP))) |
7 | 2539 curbuf->b_p_ro = TRUE; |
2540 | |
2541 u_clearline(); /* cannot use "U" command after adding lines */ | |
2542 | |
2543 /* | |
2544 * In Ex mode: cursor at last new line. | |
2545 * Otherwise: cursor at first new line. | |
2546 */ | |
2547 if (exmode_active) | |
2548 curwin->w_cursor.lnum = from + linecnt; | |
2549 else | |
2550 curwin->w_cursor.lnum = from + 1; | |
2551 check_cursor_lnum(); | |
2552 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
2553 | |
2554 /* | |
2555 * Set '[ and '] marks to the newly read lines. | |
2556 */ | |
2557 curbuf->b_op_start.lnum = from + 1; | |
2558 curbuf->b_op_start.col = 0; | |
2559 curbuf->b_op_end.lnum = from + linecnt; | |
2560 curbuf->b_op_end.col = 0; | |
696 | 2561 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
2562 #ifdef MSWIN |
696 | 2563 /* |
2564 * Work around a weird problem: When a file has two links (only | |
2565 * possible on NTFS) and we write through one link, then stat() it | |
1651 | 2566 * through the other link, the timestamp information may be wrong. |
696 | 2567 * It's correct again after reading the file, thus reset the timestamp |
2568 * here. | |
2569 */ | |
2570 if (newfile && !read_stdin && !read_buffer | |
2571 && mch_stat((char *)fname, &st) >= 0) | |
2572 { | |
2573 buf_store_time(curbuf, &st, fname); | |
2574 curbuf->b_mtime_read = curbuf->b_mtime; | |
2575 } | |
2576 #endif | |
7 | 2577 } |
2578 msg_scroll = msg_save; | |
2579 | |
2580 #ifdef FEAT_VIMINFO | |
2581 /* | |
2582 * Get the marks before executing autocommands, so they can be used there. | |
2583 */ | |
2584 check_marks_read(); | |
2585 #endif | |
2586 | |
2587 /* | |
6933 | 2588 * We remember if the last line of the read didn't have |
2589 * an eol even when 'binary' is off, to support turning 'fixeol' off, | |
2590 * or writing the read again with 'binary' on. The latter is required | |
2591 * for ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
7 | 2592 */ |
2707 | 2593 curbuf->b_no_eol_lnum = read_no_eol_lnum; |
7 | 2594 |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2595 /* 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
|
2596 * different. */ |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2597 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
|
2598 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
|
2599 |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2600 #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
|
2601 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2602 * 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
|
2603 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2604 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
|
2605 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2606 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
|
2607 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2608 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
|
2609 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
|
2610 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2611 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2612 |
9828
e84e45786691
commit https://github.com/vim/vim/commit/f71d7b9ee5ceba75f70c30845332ddd728fd16c6
Christian Brabandt <cb@256bit.org>
parents:
9682
diff
changeset
|
2613 if (!read_stdin && !read_fifo && (!read_buffer || sfname != NULL)) |
7 | 2614 { |
2615 int m = msg_scroll; | |
2616 int n = msg_scrolled; | |
2617 | |
2618 /* Save the fileformat now, otherwise the buffer will be considered | |
2619 * modified if the format/encoding was automatically detected. */ | |
819 | 2620 if (set_options) |
7 | 2621 save_file_ff(curbuf); |
2622 | |
2623 /* | |
2624 * The output from the autocommands should not overwrite anything and | |
2625 * should not be overwritten: Set msg_scroll, restore its value if no | |
2626 * output was done. | |
2627 */ | |
2628 msg_scroll = TRUE; | |
2629 if (filtering) | |
2630 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
2631 FALSE, curbuf, eap); | |
9828
e84e45786691
commit https://github.com/vim/vim/commit/f71d7b9ee5ceba75f70c30845332ddd728fd16c6
Christian Brabandt <cb@256bit.org>
parents:
9682
diff
changeset
|
2632 else if (newfile || (read_buffer && sfname != NULL)) |
8937
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2633 { |
7 | 2634 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, |
2635 FALSE, curbuf, eap); | |
8937
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2636 if (!au_did_filetype && *curbuf->b_p_ft != NUL) |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2637 /* |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2638 * EVENT_FILETYPE was not triggered but the buffer already has a |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2639 * filetype. Trigger EVENT_FILETYPE using the existing filetype. |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2640 */ |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2641 apply_autocmds(EVENT_FILETYPE, curbuf->b_p_ft, curbuf->b_fname, |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2642 TRUE, curbuf); |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2643 } |
7 | 2644 else |
2645 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
2646 FALSE, NULL, eap); | |
2647 if (msg_scrolled == n) | |
2648 msg_scroll = m; | |
2707 | 2649 # ifdef FEAT_EVAL |
7 | 2650 if (aborting()) /* autocmds may abort script processing */ |
2651 return FAIL; | |
2707 | 2652 # endif |
2653 } | |
2654 | |
7 | 2655 if (recoverymode && error) |
2656 return FAIL; | |
2657 return OK; | |
2658 } | |
2659 | |
9911
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parents:
9828
diff
changeset
|
2660 #if defined(OPEN_CHR_FILES) || defined(PROTO) |
1313 | 2661 /* |
2662 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
2663 * which is the name of files used for process substitution output by | |
2664 * some shells on some operating systems, e.g., bash on SunOS. | |
2665 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
2666 */ | |
9911
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diff
changeset
|
2667 int |
7819
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parents:
7801
diff
changeset
|
2668 is_dev_fd_file(char_u *fname) |
1313 | 2669 { |
2670 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
2671 && VIM_ISDIGIT(fname[8]) | |
2672 && *skipdigits(fname + 9) == NUL | |
2673 && (fname[9] != NUL | |
2674 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
2675 } | |
2676 #endif | |
2677 | |
595 | 2678 /* |
2679 * From the current line count and characters read after that, estimate the | |
2680 * line number where we are now. | |
2681 * Used for error messages that include a line number. | |
2682 */ | |
2683 static linenr_T | |
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diff
changeset
|
2684 readfile_linenr( |
f86adafb28d4
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diff
changeset
|
2685 linenr_T linecnt, /* line count before reading more bytes */ |
f86adafb28d4
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diff
changeset
|
2686 char_u *p, /* start of more bytes read */ |
f86adafb28d4
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diff
changeset
|
2687 char_u *endp) /* end of more bytes read */ |
595 | 2688 { |
2689 char_u *s; | |
2690 linenr_T lnum; | |
2691 | |
2692 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
2693 for (s = p; s < endp; ++s) | |
2694 if (*s == '\n') | |
2695 ++lnum; | |
2696 return lnum; | |
2697 } | |
2698 | |
7 | 2699 /* |
612 | 2700 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
2701 * equal to the buffer "buf". Used for calling readfile(). | |
7 | 2702 * Returns OK or FAIL. |
2703 */ | |
2704 int | |
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diff
changeset
|
2705 prep_exarg(exarg_T *eap, buf_T *buf) |
7 | 2706 { |
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|
2707 eap->cmd = alloc(15 + (unsigned)STRLEN(buf->b_p_fenc)); |
7 | 2708 if (eap->cmd == NULL) |
2709 return FAIL; | |
2710 | |
13575
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patch 8.0.1660: the terminal API "drop" command doesn't support options
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|
2711 sprintf((char *)eap->cmd, "e ++enc=%s", buf->b_p_fenc); |
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changeset
|
2712 eap->force_enc = 8; |
612 | 2713 eap->bad_char = buf->b_bad_char; |
13575
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changeset
|
2714 eap->force_ff = *buf->b_p_ff; |
612 | 2715 |
2716 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
819 | 2717 eap->read_edit = FALSE; |
612 | 2718 eap->forceit = FALSE; |
7 | 2719 return OK; |
2720 } | |
2721 | |
5231
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2722 /* |
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2723 * Set default or forced 'fileformat' and 'binary'. |
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2724 */ |
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2725 void |
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changeset
|
2726 set_file_options(int set_options, exarg_T *eap) |
5231
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2727 { |
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|
2728 /* set default 'fileformat' */ |
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2729 if (set_options) |
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2730 { |
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2731 if (eap != NULL && eap->force_ff != 0) |
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|
2732 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); |
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|
2733 else if (*p_ffs != NUL) |
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|
2734 set_fileformat(default_fileformat(), OPT_LOCAL); |
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2735 } |
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2736 |
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2737 /* set or reset 'binary' */ |
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2738 if (eap != NULL && eap->force_bin != 0) |
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2739 { |
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|
2740 int oldval = curbuf->b_p_bin; |
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2741 |
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2742 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); |
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|
2743 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); |
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2744 } |
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2745 } |
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2746 |
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2747 /* |
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2748 * Set forced 'fileencoding'. |
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2749 */ |
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|
2750 void |
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diff
changeset
|
2751 set_forced_fenc(exarg_T *eap) |
5231
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2752 { |
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|
2753 if (eap->force_enc != 0) |
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|
2754 { |
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|
2755 char_u *fenc = enc_canonize(eap->cmd + eap->force_enc); |
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|
2756 |
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|
2757 if (fenc != NULL) |
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|
2758 set_string_option_direct((char_u *)"fenc", -1, |
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|
2759 fenc, OPT_FREE|OPT_LOCAL, 0); |
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|
2760 vim_free(fenc); |
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|
2761 } |
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|
2762 } |
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|
2763 |
7 | 2764 /* |
2765 * Find next fileencoding to use from 'fileencodings'. | |
2766 * "pp" points to fenc_next. It's advanced to the next item. | |
2767 * When there are no more items, an empty string is returned and *pp is set to | |
2768 * NULL. | |
2769 * When *pp is not set to NULL, the result is in allocated memory. | |
2770 */ | |
2771 static char_u * | |
7819
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diff
changeset
|
2772 next_fenc(char_u **pp) |
7 | 2773 { |
2774 char_u *p; | |
2775 char_u *r; | |
2776 | |
2777 if (**pp == NUL) | |
2778 { | |
2779 *pp = NULL; | |
2780 return (char_u *)""; | |
2781 } | |
2782 p = vim_strchr(*pp, ','); | |
2783 if (p == NULL) | |
2784 { | |
2785 r = enc_canonize(*pp); | |
2786 *pp += STRLEN(*pp); | |
2787 } | |
2788 else | |
2789 { | |
2790 r = vim_strnsave(*pp, (int)(p - *pp)); | |
2791 *pp = p + 1; | |
2792 if (r != NULL) | |
2793 { | |
2794 p = enc_canonize(r); | |
2795 vim_free(r); | |
2796 r = p; | |
2797 } | |
2798 } | |
2799 if (r == NULL) /* out of memory */ | |
2800 { | |
2801 r = (char_u *)""; | |
2802 *pp = NULL; | |
2803 } | |
2804 return r; | |
2805 } | |
2806 | |
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diff
changeset
|
2807 #ifdef FEAT_EVAL |
7 | 2808 /* |
2809 * Convert a file with the 'charconvert' expression. | |
2810 * This closes the file which is to be read, converts it and opens the | |
2811 * resulting file for reading. | |
2812 * Returns name of the resulting converted file (the caller should delete it | |
2813 * after reading it). | |
2814 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
2815 */ | |
2816 static char_u * | |
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diff
changeset
|
2817 readfile_charconvert( |
f86adafb28d4
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diff
changeset
|
2818 char_u *fname, /* name of input file */ |
f86adafb28d4
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diff
changeset
|
2819 char_u *fenc, /* converted from */ |
f86adafb28d4
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parents:
7801
diff
changeset
|
2820 int *fdp) /* in/out: file descriptor of file */ |
7 | 2821 { |
2822 char_u *tmpname; | |
15543
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diff
changeset
|
2823 char *errmsg = NULL; |
7 | 2824 |
6721 | 2825 tmpname = vim_tempname('r', FALSE); |
7 | 2826 if (tmpname == NULL) |
15543
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parents:
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diff
changeset
|
2827 errmsg = _("Can't find temp file for conversion"); |
7 | 2828 else |
2829 { | |
2830 close(*fdp); /* close the input file, ignore errors */ | |
2831 *fdp = -1; | |
2832 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
2833 fname, tmpname) == FAIL) | |
15543
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parents:
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diff
changeset
|
2834 errmsg = _("Conversion with 'charconvert' failed"); |
7 | 2835 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, |
2836 O_RDONLY | O_EXTRA, 0)) < 0) | |
15543
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parents:
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diff
changeset
|
2837 errmsg = _("can't read output of 'charconvert'"); |
7 | 2838 } |
2839 | |
2840 if (errmsg != NULL) | |
2841 { | |
2842 /* Don't use emsg(), it breaks mappings, the retry with | |
2843 * another type of conversion might still work. */ | |
15543
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diff
changeset
|
2844 msg(errmsg); |
7 | 2845 if (tmpname != NULL) |
2846 { | |
2847 mch_remove(tmpname); /* delete converted file */ | |
13244
ac42c4b11dbc
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parents:
13240
diff
changeset
|
2848 VIM_CLEAR(tmpname); |
7 | 2849 } |
2850 } | |
2851 | |
2852 /* If the input file is closed, open it (caller should check for error). */ | |
2853 if (*fdp < 0) | |
2854 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
2855 | |
2856 return tmpname; | |
2857 } | |
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|
2858 #endif |
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changeset
|
2859 |
7 | 2860 |
2861 #ifdef FEAT_VIMINFO | |
2862 /* | |
2863 * Read marks for the current buffer from the viminfo file, when we support | |
2864 * buffer marks and the buffer has a name. | |
2865 */ | |
2866 static void | |
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diff
changeset
|
2867 check_marks_read(void) |
7 | 2868 { |
2869 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
2870 && curbuf->b_ffname != NULL) | |
1733 | 2871 read_viminfo(NULL, VIF_WANT_MARKS); |
7 | 2872 |
2873 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
2874 * the ' parameter after opening a buffer. */ | |
2875 curbuf->b_marks_read = TRUE; | |
2876 } | |
2877 #endif | |
2878 | |
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732cb7b31956
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2238
diff
changeset
|
2879 #if defined(FEAT_CRYPT) || defined(PROTO) |
7 | 2880 /* |
2180
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diff
changeset
|
2881 * Check for magic number used for encryption. Applies to the current buffer. |
7 | 2882 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
2883 * *filesizep are updated. | |
2884 * Return the (new) encryption key, NULL for no encryption. | |
2885 */ | |
2886 static char_u * | |
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diff
changeset
|
2887 check_for_cryptkey( |
f86adafb28d4
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diff
changeset
|
2888 char_u *cryptkey, /* previous encryption key or NULL */ |
f86adafb28d4
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diff
changeset
|
2889 char_u *ptr, /* pointer to read bytes */ |
f86adafb28d4
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diff
changeset
|
2890 long *sizep, /* length of read bytes */ |
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9291
diff
changeset
|
2891 off_T *filesizep, /* nr of bytes used from file */ |
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2892 int newfile, /* editing a new buffer */ |
f86adafb28d4
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|
2893 char_u *fname, /* file name to display */ |
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changeset
|
2894 int *did_ask) /* flag: whether already asked for key */ |
7 | 2895 { |
6122 | 2896 int method = crypt_method_nr_from_magic((char *)ptr, *sizep); |
5312 | 2897 int b_p_ro = curbuf->b_p_ro; |
2180
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2898 |
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|
2899 if (method >= 0) |
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|
2900 { |
5312 | 2901 /* Mark the buffer as read-only until the decryption has taken place. |
2902 * Avoids accidentally overwriting the file with garbage. */ | |
2903 curbuf->b_p_ro = TRUE; | |
2904 | |
6130 | 2905 /* Set the cryptmethod local to the buffer. */ |
6122 | 2906 crypt_set_cm_option(curbuf, method); |
2204
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diff
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|
2907 if (cryptkey == NULL && !*did_ask) |
7 | 2908 { |
2909 if (*curbuf->b_p_key) | |
2910 cryptkey = curbuf->b_p_key; | |
2911 else | |
2912 { | |
2180
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2913 /* When newfile is TRUE, store the typed key in the 'key' |
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diff
changeset
|
2914 * option and don't free it. bf needs hash of the key saved. |
2204
c493d6bfde09
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diff
changeset
|
2915 * Don't ask for the key again when first time Enter was hit. |
c493d6bfde09
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parents:
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diff
changeset
|
2916 * Happens when retrying to detect encoding. */ |
15470
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patch 8.1.0743: giving error messages is not flexible
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diff
changeset
|
2917 smsg(_(need_key_msg), fname); |
2267 | 2918 msg_scroll = TRUE; |
6353 | 2919 crypt_check_method(method); |
6122 | 2920 cryptkey = crypt_get_key(newfile, FALSE); |
2204
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2921 *did_ask = TRUE; |
c493d6bfde09
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|
2922 |
7 | 2923 /* check if empty key entered */ |
2924 if (cryptkey != NULL && *cryptkey == NUL) | |
2925 { | |
2926 if (cryptkey != curbuf->b_p_key) | |
2927 vim_free(cryptkey); | |
2928 cryptkey = NULL; | |
2929 } | |
2930 } | |
2931 } | |
2932 | |
2933 if (cryptkey != NULL) | |
2934 { | |
6122 | 2935 int header_len; |
2936 | |
2937 curbuf->b_cryptstate = crypt_create_from_header( | |
2938 method, cryptkey, ptr); | |
2939 crypt_set_cm_option(curbuf, method); | |
2940 | |
2941 /* Remove cryptmethod specific header from the text. */ | |
2942 header_len = crypt_get_header_len(method); | |
10221
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changeset
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2943 if (*sizep <= header_len) |
fb1fde4fcff7
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2944 /* invalid header, buffer can't be encrypted */ |
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changeset
|
2945 return NULL; |
6122 | 2946 *filesizep += header_len; |
2947 *sizep -= header_len; | |
2948 mch_memmove(ptr, ptr + header_len, (size_t)*sizep); | |
2949 | |
5312 | 2950 /* Restore the read-only flag. */ |
2951 curbuf->b_p_ro = b_p_ro; | |
2180
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2952 } |
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2953 } |
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|
2954 /* When starting to edit a new file which does not have encryption, clear |
f60a0c9cbe6c
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diff
changeset
|
2955 * 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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changeset
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2956 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
7 | 2957 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
2958 | |
2959 return cryptkey; | |
2960 } | |
2265
b7cb69ab616d
Added salt to blowfish encryption.
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2961 #endif /* FEAT_CRYPT */ |
b7cb69ab616d
Added salt to blowfish encryption.
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2962 |
7 | 2963 #ifdef UNIX |
2964 static void | |
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|
2965 set_file_time( |
f86adafb28d4
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2966 char_u *fname, |
f86adafb28d4
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2967 time_t atime, /* access time */ |
f86adafb28d4
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2968 time_t mtime) /* modification time */ |
7 | 2969 { |
2970 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
2971 struct utimbuf buf; | |
2972 | |
2973 buf.actime = atime; | |
2974 buf.modtime = mtime; | |
2975 (void)utime((char *)fname, &buf); | |
2976 # else | |
2977 # if defined(HAVE_UTIMES) | |
2978 struct timeval tvp[2]; | |
2979 | |
2980 tvp[0].tv_sec = atime; | |
2981 tvp[0].tv_usec = 0; | |
2982 tvp[1].tv_sec = mtime; | |
2983 tvp[1].tv_usec = 0; | |
2984 # ifdef NeXT | |
2985 (void)utimes((char *)fname, tvp); | |
2986 # else | |
2987 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
2988 # endif | |
2989 # endif | |
2990 # endif | |
2991 } | |
2992 #endif /* UNIX */ | |
2993 | |
22 | 2994 #if defined(VMS) && !defined(MIN) |
2995 /* Older DECC compiler for VAX doesn't define MIN() */ | |
2996 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
2997 #endif | |
2998 | |
7 | 2999 /* |
1303 | 3000 * Return TRUE if a file appears to be read-only from the file permissions. |
3001 */ | |
3002 int | |
7819
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|
3003 check_file_readonly( |
f86adafb28d4
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|
3004 char_u *fname, /* full path to file */ |
f86adafb28d4
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changeset
|
3005 int perm) /* known permissions on file */ |
1303 | 3006 { |
3007 #ifndef USE_MCH_ACCESS | |
3008 int fd = 0; | |
3009 #endif | |
3010 | |
3011 return ( | |
3012 #ifdef USE_MCH_ACCESS | |
3013 # ifdef UNIX | |
3014 (perm & 0222) == 0 || | |
3015 # endif | |
3016 mch_access((char *)fname, W_OK) | |
3017 #else | |
3018 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
3019 ? TRUE : (close(fd), FALSE) | |
3020 #endif | |
3021 ); | |
3022 } | |
3023 | |
3024 | |
3025 /* | |
589 | 3026 * buf_write() - write to file "fname" lines "start" through "end" |
7 | 3027 * |
3028 * We do our own buffering here because fwrite() is so slow. | |
3029 * | |
589 | 3030 * If "forceit" is true, we don't care for errors when attempting backups. |
3031 * In case of an error everything possible is done to restore the original | |
1698 | 3032 * file. But when "forceit" is TRUE, we risk losing it. |
589 | 3033 * |
3034 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
3035 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
7 | 3036 * |
3037 * This function must NOT use NameBuff (because it's called by autowrite()). | |
3038 * | |
3039 * return FAIL for failure, OK otherwise | |
3040 */ | |
3041 int | |
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|
3042 buf_write( |
f86adafb28d4
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diff
changeset
|
3043 buf_T *buf, |
f86adafb28d4
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changeset
|
3044 char_u *fname, |
f86adafb28d4
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parents:
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diff
changeset
|
3045 char_u *sfname, |
f86adafb28d4
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parents:
7801
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changeset
|
3046 linenr_T start, |
f86adafb28d4
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7801
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|
3047 linenr_T end, |
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
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7801
diff
changeset
|
3048 exarg_T *eap, /* for forced 'ff' and 'fenc', can be |
7 | 3049 NULL! */ |
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diff
changeset
|
3050 int append, /* append to the file */ |
f86adafb28d4
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parents:
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diff
changeset
|
3051 int forceit, |
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3052 int reset_changed, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3053 int filtering) |
7 | 3054 { |
3055 int fd; | |
3056 char_u *backup = NULL; | |
3057 int backup_copy = FALSE; /* copy the original file? */ | |
3058 int dobackup; | |
3059 char_u *ffname; | |
3060 char_u *wfname = NULL; /* name of file to write to */ | |
3061 char_u *s; | |
3062 char_u *ptr; | |
3063 char_u c; | |
3064 int len; | |
3065 linenr_T lnum; | |
3066 long nchars; | |
3067 char_u *errmsg = NULL; | |
1947 | 3068 int errmsg_allocated = FALSE; |
7 | 3069 char_u *errnum = NULL; |
3070 char_u *buffer; | |
3071 char_u smallbuf[SMBUFSIZE]; | |
3072 char_u *backup_ext; | |
3073 int bufsize; | |
3074 long perm; /* file permissions */ | |
3075 int retval = OK; | |
3076 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
3077 int msg_save = msg_scroll; | |
3078 int overwriting; /* TRUE if writing over original */ | |
3079 int no_eol = FALSE; /* no end-of-line written */ | |
3080 int device = FALSE; /* writing to a device */ | |
9387
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parents:
9291
diff
changeset
|
3081 stat_T st_old; |
7 | 3082 int prev_got_int = got_int; |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
3083 int checking_conversion; |
7 | 3084 int file_readonly = FALSE; /* overwritten file is read-only */ |
3085 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
9536
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parents:
9509
diff
changeset
|
3086 #if defined(UNIX) /*XXX fix me sometime? */ |
7 | 3087 int made_writable = FALSE; /* 'w' bit has been set */ |
3088 #endif | |
3089 /* writing everything */ | |
3090 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
3091 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
3092 int attr; | |
3093 int fileformat; | |
3094 int write_bin; | |
3095 struct bw_info write_info; /* info for buf_write_bytes() */ | |
3096 int converted = FALSE; | |
3097 int notconverted = FALSE; | |
3098 char_u *fenc; /* effective 'fileencoding' */ | |
3099 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
3100 #ifdef HAS_BW_FLAGS | |
3101 int wb_flags = 0; | |
3102 #endif | |
3103 #ifdef HAVE_ACL | |
3104 vim_acl_T acl = NULL; /* ACL copied from original file to | |
3105 backup or new file */ | |
3106 #endif | |
2214
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changeset
|
3107 #ifdef FEAT_PERSISTENT_UNDO |
f8222d1f9a73
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parents:
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diff
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|
3108 int write_undo_file = FALSE; |
f8222d1f9a73
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parents:
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diff
changeset
|
3109 context_sha256_T sha_ctx; |
f8222d1f9a73
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parents:
2210
diff
changeset
|
3110 #endif |
6243 | 3111 unsigned int bkc = get_bkc_value(buf); |
7 | 3112 |
3113 if (fname == NULL || *fname == NUL) /* safety check */ | |
3114 return FAIL; | |
2028 | 3115 if (buf->b_ml.ml_mfp == NULL) |
3116 { | |
3117 /* This can happen during startup when there is a stray "w" in the | |
3118 * vimrc file. */ | |
15470
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patch 8.1.0743: giving error messages is not flexible
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parents:
15442
diff
changeset
|
3119 emsg(_(e_emptybuf)); |
2028 | 3120 return FAIL; |
3121 } | |
7 | 3122 |
3123 /* | |
3124 * Disallow writing from .exrc and .vimrc in current directory for | |
3125 * security reasons. | |
3126 */ | |
3127 if (check_secure()) | |
3128 return FAIL; | |
3129 | |
3130 /* Avoid a crash for a long name. */ | |
3131 if (STRLEN(fname) >= MAXPATHL) | |
3132 { | |
15470
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patch 8.1.0743: giving error messages is not flexible
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parents:
15442
diff
changeset
|
3133 emsg(_(e_longname)); |
7 | 3134 return FAIL; |
3135 } | |
3136 | |
3137 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
3138 write_info.bw_conv_buf = NULL; | |
3139 write_info.bw_conv_error = FALSE; | |
1947 | 3140 write_info.bw_conv_error_lnum = 0; |
7 | 3141 write_info.bw_restlen = 0; |
15595
1ec942f1b648
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15555
diff
changeset
|
3142 #ifdef USE_ICONV |
7 | 3143 write_info.bw_iconv_fd = (iconv_t)-1; |
3144 #endif | |
6122 | 3145 #ifdef FEAT_CRYPT |
3146 write_info.bw_buffer = buf; | |
3147 #endif | |
7 | 3148 |
167 | 3149 /* After writing a file changedtick changes but we don't want to display |
3150 * the line. */ | |
3151 ex_no_reprint = TRUE; | |
3152 | |
7 | 3153 /* |
3154 * If there is no file name yet, use the one for the written file. | |
3155 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
3156 * Don't do this when the write is for a filter command. | |
589 | 3157 * Don't do this when appending. |
3158 * Only do this when 'cpoptions' contains the 'F' flag. | |
7 | 3159 */ |
633 | 3160 if (buf->b_ffname == NULL |
3161 && reset_changed | |
7 | 3162 && whole |
3163 && buf == curbuf | |
236 | 3164 #ifdef FEAT_QUICKFIX |
3165 && !bt_nofile(buf) | |
3166 #endif | |
7 | 3167 && !filtering |
589 | 3168 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
7 | 3169 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
3170 { | |
633 | 3171 if (set_rw_fname(fname, sfname) == FAIL) |
7 | 3172 return FAIL; |
633 | 3173 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
7 | 3174 } |
3175 | |
3176 if (sfname == NULL) | |
3177 sfname = fname; | |
3178 /* | |
3179 * For Unix: Use the short file name whenever possible. | |
3180 * Avoids problems with networks and when directory names are changed. | |
3181 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
3182 * another directory, which we don't detect | |
3183 */ | |
3184 ffname = fname; /* remember full fname */ | |
3185 #ifdef UNIX | |
3186 fname = sfname; | |
3187 #endif | |
3188 | |
3189 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
3190 overwriting = TRUE; | |
3191 else | |
3192 overwriting = FALSE; | |
3193 | |
3194 if (exiting) | |
4352 | 3195 settmode(TMODE_COOK); /* when exiting allow typeahead now */ |
7 | 3196 |
3197 ++no_wait_return; /* don't wait for return yet */ | |
3198 | |
3199 /* | |
3200 * Set '[ and '] marks to the lines to be written. | |
3201 */ | |
3202 buf->b_op_start.lnum = start; | |
3203 buf->b_op_start.col = 0; | |
3204 buf->b_op_end.lnum = end; | |
3205 buf->b_op_end.col = 0; | |
3206 | |
3207 { | |
3208 aco_save_T aco; | |
3209 int buf_ffname = FALSE; | |
3210 int buf_sfname = FALSE; | |
3211 int buf_fname_f = FALSE; | |
3212 int buf_fname_s = FALSE; | |
3213 int did_cmd = FALSE; | |
17 | 3214 int nofile_err = FALSE; |
161 | 3215 int empty_memline = (buf->b_ml.ml_mfp == NULL); |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
3216 bufref_T bufref; |
7 | 3217 |
3218 /* | |
4352 | 3219 * Apply PRE autocommands. |
7 | 3220 * Set curbuf to the buffer to be written. |
3221 * Careful: The autocommands may call buf_write() recursively! | |
3222 */ | |
3223 if (ffname == buf->b_ffname) | |
3224 buf_ffname = TRUE; | |
3225 if (sfname == buf->b_sfname) | |
3226 buf_sfname = TRUE; | |
3227 if (fname == buf->b_ffname) | |
3228 buf_fname_f = TRUE; | |
3229 if (fname == buf->b_sfname) | |
3230 buf_fname_s = TRUE; | |
3231 | |
3232 /* set curwin/curbuf to buf and save a few things */ | |
3233 aucmd_prepbuf(&aco, buf); | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
3234 set_bufref(&bufref, buf); |
7 | 3235 |
3236 if (append) | |
3237 { | |
3238 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
3239 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3240 { |
635 | 3241 #ifdef FEAT_QUICKFIX |
18 | 3242 if (overwriting && bt_nofile(curbuf)) |
17 | 3243 nofile_err = TRUE; |
3244 else | |
635 | 3245 #endif |
17 | 3246 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
7 | 3247 sfname, sfname, FALSE, curbuf, eap); |
17 | 3248 } |
7 | 3249 } |
3250 else if (filtering) | |
3251 { | |
3252 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
3253 NULL, sfname, FALSE, curbuf, eap); | |
3254 } | |
3255 else if (reset_changed && whole) | |
3256 { | |
3036 | 3257 int was_changed = curbufIsChanged(); |
3258 | |
3259 did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
3260 sfname, sfname, FALSE, curbuf, eap); | |
3261 if (did_cmd) | |
3262 { | |
3263 if (was_changed && !curbufIsChanged()) | |
3264 { | |
3265 /* Written everything correctly and BufWriteCmd has reset | |
3266 * 'modified': Correct the undo information so that an | |
3267 * undo now sets 'modified'. */ | |
3268 u_unchanged(curbuf); | |
3269 u_update_save_nr(curbuf); | |
3270 } | |
3271 } | |
3272 else | |
17 | 3273 { |
635 | 3274 #ifdef FEAT_QUICKFIX |
179 | 3275 if (overwriting && bt_nofile(curbuf)) |
17 | 3276 nofile_err = TRUE; |
3277 else | |
635 | 3278 #endif |
17 | 3279 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
7 | 3280 sfname, sfname, FALSE, curbuf, eap); |
17 | 3281 } |
7 | 3282 } |
3283 else | |
3284 { | |
3285 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
3286 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3287 { |
635 | 3288 #ifdef FEAT_QUICKFIX |
179 | 3289 if (overwriting && bt_nofile(curbuf)) |
17 | 3290 nofile_err = TRUE; |
3291 else | |
635 | 3292 #endif |
17 | 3293 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
7 | 3294 sfname, sfname, FALSE, curbuf, eap); |
17 | 3295 } |
7 | 3296 } |
3297 | |
3298 /* restore curwin/curbuf and a few other things */ | |
3299 aucmd_restbuf(&aco); | |
3300 | |
3301 /* | |
3302 * In three situations we return here and don't write the file: | |
3303 * 1. the autocommands deleted or unloaded the buffer. | |
3304 * 2. The autocommands abort script processing. | |
3305 * 3. If one of the "Cmd" autocommands was executed. | |
3306 */ | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
3307 if (!bufref_valid(&bufref)) |
7 | 3308 buf = NULL; |
161 | 3309 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
532 | 3310 || did_cmd || nofile_err |
3311 #ifdef FEAT_EVAL | |
3312 || aborting() | |
3313 #endif | |
3314 ) | |
7 | 3315 { |
3316 --no_wait_return; | |
3317 msg_scroll = msg_save; | |
17 | 3318 if (nofile_err) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
3319 emsg(_("E676: No matching autocommands for acwrite buffer")); |
17 | 3320 |
532 | 3321 if (nofile_err |
3322 #ifdef FEAT_EVAL | |
3323 || aborting() | |
3324 #endif | |
3325 ) | |
7 | 3326 /* An aborting error, interrupt or exception in the |
3327 * autocommands. */ | |
3328 return FAIL; | |
3329 if (did_cmd) | |
3330 { | |
3331 if (buf == NULL) | |
3332 /* The buffer was deleted. We assume it was written | |
3333 * (can't retry anyway). */ | |
3334 return OK; | |
3335 if (overwriting) | |
3336 { | |
3337 /* Assume the buffer was written, update the timestamp. */ | |
3338 ml_timestamp(buf); | |
589 | 3339 if (append) |
3340 buf->b_flags &= ~BF_NEW; | |
3341 else | |
3342 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 3343 } |
589 | 3344 if (reset_changed && buf->b_changed && !append |
39 | 3345 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
7 | 3346 /* Buffer still changed, the autocommands didn't work |
3347 * properly. */ | |
3348 return FAIL; | |
3349 return OK; | |
3350 } | |
3351 #ifdef FEAT_EVAL | |
3352 if (!aborting()) | |
3353 #endif | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
3354 emsg(_("E203: Autocommands deleted or unloaded buffer to be written")); |
7 | 3355 return FAIL; |
3356 } | |
3357 | |
3358 /* | |
3359 * The autocommands may have changed the number of lines in the file. | |
3360 * When writing the whole file, adjust the end. | |
3361 * When writing part of the file, assume that the autocommands only | |
3362 * changed the number of lines that are to be written (tricky!). | |
3363 */ | |
3364 if (buf->b_ml.ml_line_count != old_line_count) | |
3365 { | |
3366 if (whole) /* write all */ | |
3367 end = buf->b_ml.ml_line_count; | |
3368 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
3369 end += buf->b_ml.ml_line_count - old_line_count; | |
3370 else /* less lines */ | |
3371 { | |
3372 end -= old_line_count - buf->b_ml.ml_line_count; | |
3373 if (end < start) | |
3374 { | |
3375 --no_wait_return; | |
3376 msg_scroll = msg_save; | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
3377 emsg(_("E204: Autocommand changed number of lines in unexpected way")); |
7 | 3378 return FAIL; |
3379 } | |
3380 } | |
3381 } | |
3382 | |
3383 /* | |
3384 * The autocommands may have changed the name of the buffer, which may | |
3385 * be kept in fname, ffname and sfname. | |
3386 */ | |
3387 if (buf_ffname) | |
3388 ffname = buf->b_ffname; | |
3389 if (buf_sfname) | |
3390 sfname = buf->b_sfname; | |
3391 if (buf_fname_f) | |
3392 fname = buf->b_ffname; | |
3393 if (buf_fname_s) | |
3394 fname = buf->b_sfname; | |
3395 } | |
3396 | |
3397 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3398 if (netbeans_active() && isNetbeansBuffer(buf)) |
7 | 3399 { |
3400 if (whole) | |
3401 { | |
3402 /* | |
3403 * b_changed can be 0 after an undo, but we still need to write | |
3404 * the buffer to NetBeans. | |
3405 */ | |
3406 if (buf->b_changed || isNetbeansModified(buf)) | |
3407 { | |
33 | 3408 --no_wait_return; /* may wait for return now */ |
3409 msg_scroll = msg_save; | |
3410 netbeans_save_buffer(buf); /* no error checking... */ | |
7 | 3411 return retval; |
3412 } | |
3413 else | |
3414 { | |
3415 errnum = (char_u *)"E656: "; | |
1653 | 3416 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
7 | 3417 buffer = NULL; |
3418 goto fail; | |
3419 } | |
3420 } | |
3421 else | |
3422 { | |
3423 errnum = (char_u *)"E657: "; | |
3424 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
3425 buffer = NULL; | |
3426 goto fail; | |
3427 } | |
3428 } | |
3429 #endif | |
3430 | |
3431 if (shortmess(SHM_OVER) && !exiting) | |
3432 msg_scroll = FALSE; /* overwrite previous file message */ | |
3433 else | |
3434 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
3435 if (!filtering) | |
3436 filemess(buf, | |
3437 #ifndef UNIX | |
3438 sfname, | |
3439 #else | |
3440 fname, | |
3441 #endif | |
3442 (char_u *)"", 0); /* show that we are busy */ | |
3443 msg_scroll = FALSE; /* always overwrite the file message now */ | |
3444 | |
3445 buffer = alloc(BUFSIZE); | |
3446 if (buffer == NULL) /* can't allocate big buffer, use small | |
3447 * one (to be able to write when out of | |
3448 * memory) */ | |
3449 { | |
3450 buffer = smallbuf; | |
3451 bufsize = SMBUFSIZE; | |
3452 } | |
3453 else | |
3454 bufsize = BUFSIZE; | |
3455 | |
3456 /* | |
3457 * Get information about original file (if there is one). | |
3458 */ | |
7410
08e62c4fc17d
commit https://github.com/vim/vim/commit/53076830fea6df737455523f7e235bfe4f79864d
Christian Brabandt <cb@256bit.org>
parents:
7408
diff
changeset
|
3459 #if defined(UNIX) |
1438 | 3460 st_old.st_dev = 0; |
3461 st_old.st_ino = 0; | |
7 | 3462 perm = -1; |
3463 if (mch_stat((char *)fname, &st_old) < 0) | |
3464 newfile = TRUE; | |
3465 else | |
3466 { | |
3467 perm = st_old.st_mode; | |
3468 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
3469 { | |
3470 if (S_ISDIR(st_old.st_mode)) | |
3471 { | |
3472 errnum = (char_u *)"E502: "; | |
3473 errmsg = (char_u *)_("is a directory"); | |
3474 goto fail; | |
3475 } | |
3476 if (mch_nodetype(fname) != NODE_WRITABLE) | |
3477 { | |
3478 errnum = (char_u *)"E503: "; | |
3479 errmsg = (char_u *)_("is not a file or writable device"); | |
3480 goto fail; | |
3481 } | |
3482 /* It's a device of some kind (or a fifo) which we can write to | |
3483 * but for which we can't make a backup. */ | |
3484 device = TRUE; | |
3485 newfile = TRUE; | |
3486 perm = -1; | |
3487 } | |
3488 } | |
3489 #else /* !UNIX */ | |
3490 /* | |
3491 * Check for a writable device name. | |
3492 */ | |
3493 c = mch_nodetype(fname); | |
3494 if (c == NODE_OTHER) | |
3495 { | |
3496 errnum = (char_u *)"E503: "; | |
3497 errmsg = (char_u *)_("is not a file or writable device"); | |
3498 goto fail; | |
3499 } | |
3500 if (c == NODE_WRITABLE) | |
3501 { | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3502 # if defined(MSWIN) |
1004 | 3503 /* MS-Windows allows opening a device, but we will probably get stuck |
3504 * trying to write to it. */ | |
3505 if (!p_odev) | |
3506 { | |
3507 errnum = (char_u *)"E796: "; | |
3508 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
3509 goto fail; | |
3510 } | |
3511 # endif | |
7 | 3512 device = TRUE; |
3513 newfile = TRUE; | |
3514 perm = -1; | |
3515 } | |
3516 else | |
3517 { | |
3518 perm = mch_getperm(fname); | |
3519 if (perm < 0) | |
3520 newfile = TRUE; | |
3521 else if (mch_isdir(fname)) | |
3522 { | |
3523 errnum = (char_u *)"E502: "; | |
3524 errmsg = (char_u *)_("is a directory"); | |
3525 goto fail; | |
3526 } | |
3527 if (overwriting) | |
3528 (void)mch_stat((char *)fname, &st_old); | |
3529 } | |
3530 #endif /* !UNIX */ | |
3531 | |
3532 if (!device && !newfile) | |
3533 { | |
3534 /* | |
3535 * Check if the file is really writable (when renaming the file to | |
3536 * make a backup we won't discover it later). | |
3537 */ | |
1303 | 3538 file_readonly = check_file_readonly(fname, (int)perm); |
3539 | |
7 | 3540 if (!forceit && file_readonly) |
3541 { | |
3542 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
3543 { | |
3544 errnum = (char_u *)"E504: "; | |
3545 errmsg = (char_u *)_(err_readonly); | |
3546 } | |
3547 else | |
3548 { | |
3549 errnum = (char_u *)"E505: "; | |
3550 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
3551 } | |
3552 goto fail; | |
3553 } | |
3554 | |
3555 /* | |
3556 * Check if the timestamp hasn't changed since reading the file. | |
3557 */ | |
3558 if (overwriting) | |
3559 { | |
3560 retval = check_mtime(buf, &st_old); | |
3561 if (retval == FAIL) | |
3562 goto fail; | |
3563 } | |
3564 } | |
3565 | |
3566 #ifdef HAVE_ACL | |
3567 /* | |
3568 * For systems that support ACL: get the ACL from the original file. | |
3569 */ | |
3570 if (!newfile) | |
3571 acl = mch_get_acl(fname); | |
3572 #endif | |
3573 | |
3574 /* | |
3575 * If 'backupskip' is not empty, don't make a backup for some files. | |
3576 */ | |
3577 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
3578 #ifdef FEAT_WILDIGN | |
3579 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
3580 dobackup = FALSE; | |
3581 #endif | |
3582 | |
3583 /* | |
3584 * Save the value of got_int and reset it. We don't want a previous | |
3585 * interruption cancel writing, only hitting CTRL-C while writing should | |
3586 * abort it. | |
3587 */ | |
3588 prev_got_int = got_int; | |
3589 got_int = FALSE; | |
3590 | |
3591 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
3592 buf->b_saving = TRUE; | |
3593 | |
3594 /* | |
3595 * If we are not appending or filtering, the file exists, and the | |
3596 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
3597 * When 'patchmode' is set also make a backup when appending. | |
3598 * | |
3599 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
3600 * off. This helps when editing large files on almost-full disks. | |
3601 */ | |
3602 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
3603 { | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3604 #if defined(UNIX) || defined(MSWIN) |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
3605 stat_T st; |
7 | 3606 #endif |
3607 | |
6243 | 3608 if ((bkc & BKC_YES) || append) /* "yes" */ |
7 | 3609 backup_copy = TRUE; |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3610 #if defined(UNIX) || defined(MSWIN) |
6243 | 3611 else if ((bkc & BKC_AUTO)) /* "auto" */ |
7 | 3612 { |
3613 int i; | |
3614 | |
3615 # ifdef UNIX | |
3616 /* | |
3617 * Don't rename the file when: | |
3618 * - it's a hard link | |
3619 * - it's a symbolic link | |
3620 * - we don't have write permission in the directory | |
3621 * - we can't set the owner/group of the new file | |
3622 */ | |
3623 if (st_old.st_nlink > 1 | |
3624 || mch_lstat((char *)fname, &st) < 0 | |
3625 || st.st_dev != st_old.st_dev | |
557 | 3626 || st.st_ino != st_old.st_ino |
3627 # ifndef HAVE_FCHOWN | |
3628 || st.st_uid != st_old.st_uid | |
3629 || st.st_gid != st_old.st_gid | |
3630 # endif | |
3631 ) | |
7 | 3632 backup_copy = TRUE; |
3633 else | |
696 | 3634 # else |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3635 # ifdef MSWIN |
696 | 3636 /* On NTFS file systems hard links are possible. */ |
3637 if (mch_is_linked(fname)) | |
3638 backup_copy = TRUE; | |
3639 else | |
3640 # endif | |
7 | 3641 # endif |
3642 { | |
3643 /* | |
3644 * Check if we can create a file and set the owner/group to | |
3645 * the ones from the original file. | |
3646 * First find a file name that doesn't exist yet (use some | |
3647 * arbitrary numbers). | |
3648 */ | |
3649 STRCPY(IObuff, fname); | |
3650 for (i = 4913; ; i += 123) | |
3651 { | |
3652 sprintf((char *)gettail(IObuff), "%d", i); | |
557 | 3653 if (mch_lstat((char *)IObuff, &st) < 0) |
7 | 3654 break; |
3655 } | |
557 | 3656 fd = mch_open((char *)IObuff, |
3657 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
7 | 3658 if (fd < 0) /* can't write in directory */ |
3659 backup_copy = TRUE; | |
3660 else | |
3661 { | |
3662 # ifdef UNIX | |
557 | 3663 # ifdef HAVE_FCHOWN |
14730
193471015e1a
patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions
Christian Brabandt <cb@256bit.org>
parents:
14700
diff
changeset
|
3664 vim_ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 3665 # endif |
7 | 3666 if (mch_stat((char *)IObuff, &st) < 0 |
3667 || st.st_uid != st_old.st_uid | |
3668 || st.st_gid != st_old.st_gid | |
1877 | 3669 || (long)st.st_mode != perm) |
7 | 3670 backup_copy = TRUE; |
3671 # endif | |
567 | 3672 /* Close the file before removing it, on MS-Windows we |
3673 * can't delete an open file. */ | |
3674 close(fd); | |
7 | 3675 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
|
3676 # 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
|
3677 /* 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
|
3678 * 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
|
3679 * second. */ |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3680 { |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3681 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
|
3682 |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3683 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
|
3684 { |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3685 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
|
3686 break; |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3687 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
|
3688 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
|
3689 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3690 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3691 # endif |
7 | 3692 } |
3693 } | |
3694 } | |
3695 | |
3696 /* | |
3697 * Break symlinks and/or hardlinks if we've been asked to. | |
3698 */ | |
6243 | 3699 if ((bkc & BKC_BREAKSYMLINK) || (bkc & BKC_BREAKHARDLINK)) |
7 | 3700 { |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3701 # ifdef UNIX |
7 | 3702 int lstat_res; |
3703 | |
3704 lstat_res = mch_lstat((char *)fname, &st); | |
3705 | |
3706 /* Symlinks. */ | |
6243 | 3707 if ((bkc & BKC_BREAKSYMLINK) |
7 | 3708 && lstat_res == 0 |
3709 && st.st_ino != st_old.st_ino) | |
3710 backup_copy = FALSE; | |
3711 | |
3712 /* Hardlinks. */ | |
6243 | 3713 if ((bkc & BKC_BREAKHARDLINK) |
7 | 3714 && st_old.st_nlink > 1 |
3715 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
3716 backup_copy = FALSE; | |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3717 # else |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3718 # if defined(MSWIN) |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3719 /* Symlinks. */ |
6243 | 3720 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
|
3721 backup_copy = FALSE; |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3722 |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3723 /* Hardlinks. */ |
6243 | 3724 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
|
3725 backup_copy = FALSE; |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3726 # endif |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3727 # endif |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3728 } |
7 | 3729 |
3730 #endif | |
3731 | |
3732 /* make sure we have a valid backup extension to use */ | |
3733 if (*p_bex == NUL) | |
3734 backup_ext = (char_u *)".bak"; | |
3735 else | |
3736 backup_ext = p_bex; | |
3737 | |
3738 if (backup_copy | |
3739 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
3740 { | |
3741 int bfd; | |
3742 char_u *copybuf, *wp; | |
3743 int some_error = FALSE; | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
3744 stat_T st_new; |
7 | 3745 char_u *dirp; |
3746 char_u *rootname; | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3747 #if defined(UNIX) || defined(MSWIN) |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3748 char_u *p; |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3749 #endif |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3750 #if defined(UNIX) |
7 | 3751 int did_set_shortname; |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3752 mode_t umask_save; |
7 | 3753 #endif |
3754 | |
3755 copybuf = alloc(BUFSIZE + 1); | |
3756 if (copybuf == NULL) | |
3757 { | |
3758 some_error = TRUE; /* out of memory */ | |
3759 goto nobackup; | |
3760 } | |
3761 | |
3762 /* | |
3763 * Try to make the backup in each directory in the 'bdir' option. | |
3764 * | |
3765 * Unix semantics has it, that we may have a writable file, | |
3766 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
3767 * - the directory is not writable, | |
3768 * - the file may be a symbolic link, | |
3769 * - the file may belong to another user/group, etc. | |
3770 * | |
3771 * For these reasons, the existing writable file must be truncated | |
3772 * and reused. Creation of a backup COPY will be attempted. | |
3773 */ | |
3774 dirp = p_bdir; | |
3775 while (*dirp) | |
3776 { | |
3777 #ifdef UNIX | |
3778 st_new.st_ino = 0; | |
3779 st_new.st_dev = 0; | |
3780 st_new.st_gid = 0; | |
3781 #endif | |
3782 | |
3783 /* | |
3784 * Isolate one directory name, using an entry in 'bdir'. | |
3785 */ | |
3786 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ","); | |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3787 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3788 #if defined(UNIX) || defined(MSWIN) |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3789 p = copybuf + STRLEN(copybuf); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3790 if (after_pathsep(copybuf, p) && p[-1] == p[-2]) |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3791 // Ends with '//', use full path |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3792 if ((p = make_percent_swname(copybuf, fname)) != NULL) |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3793 { |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3794 backup = modname(p, backup_ext, FALSE); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3795 vim_free(p); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3796 } |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3797 #endif |
7 | 3798 rootname = get_file_in_dir(fname, copybuf); |
3799 if (rootname == NULL) | |
3800 { | |
3801 some_error = TRUE; /* out of memory */ | |
3802 goto nobackup; | |
3803 } | |
3804 | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3805 #if defined(UNIX) |
7 | 3806 did_set_shortname = FALSE; |
3807 #endif | |
3808 | |
3809 /* | |
3810 * May try twice if 'shortname' not set. | |
3811 */ | |
3812 for (;;) | |
3813 { | |
3814 /* | |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3815 * Make the backup file name. |
7 | 3816 */ |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3817 if (backup == NULL) |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3818 backup = buf_modname((buf->b_p_sn || buf->b_shortname), |
7 | 3819 rootname, backup_ext, FALSE); |
3820 if (backup == NULL) | |
3821 { | |
3822 vim_free(rootname); | |
3823 some_error = TRUE; /* out of memory */ | |
3824 goto nobackup; | |
3825 } | |
3826 | |
3827 /* | |
3828 * Check if backup file already exists. | |
3829 */ | |
3830 if (mch_stat((char *)backup, &st_new) >= 0) | |
3831 { | |
3832 #ifdef UNIX | |
3833 /* | |
3834 * Check if backup file is same as original file. | |
3835 * May happen when modname() gave the same file back. | |
3836 * E.g. silly link, or file name-length reached. | |
3837 * If we don't check here, we either ruin the file | |
3838 * when copying or erase it after writing. jw. | |
3839 */ | |
3840 if (st_new.st_dev == st_old.st_dev | |
3841 && st_new.st_ino == st_old.st_ino) | |
3842 { | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
3843 VIM_CLEAR(backup); /* no backup file to delete */ |
7 | 3844 /* |
3845 * may try again with 'shortname' set | |
3846 */ | |
3847 if (!(buf->b_shortname || buf->b_p_sn)) | |
3848 { | |
3849 buf->b_shortname = TRUE; | |
3850 did_set_shortname = TRUE; | |
3851 continue; | |
3852 } | |
3853 /* setting shortname didn't help */ | |
3854 if (did_set_shortname) | |
3855 buf->b_shortname = FALSE; | |
3856 break; | |
3857 } | |
3858 #endif | |
3859 | |
3860 /* | |
3861 * If we are not going to keep the backup file, don't | |
3862 * delete an existing one, try to use another name. | |
3863 * Change one character, just before the extension. | |
3864 */ | |
3865 if (!p_bk) | |
3866 { | |
3867 wp = backup + STRLEN(backup) - 1 | |
3868 - STRLEN(backup_ext); | |
3869 if (wp < backup) /* empty file name ??? */ | |
3870 wp = backup; | |
3871 *wp = 'z'; | |
3872 while (*wp > 'a' | |
3873 && mch_stat((char *)backup, &st_new) >= 0) | |
3874 --*wp; | |
3875 /* They all exist??? Must be something wrong. */ | |
3876 if (*wp == 'a') | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
3877 VIM_CLEAR(backup); |
7 | 3878 } |
3879 } | |
3880 break; | |
3881 } | |
3882 vim_free(rootname); | |
3883 | |
3884 /* | |
3885 * Try to create the backup file | |
3886 */ | |
3887 if (backup != NULL) | |
3888 { | |
3889 /* remove old backup, if present */ | |
3890 mch_remove(backup); | |
3891 /* Open with O_EXCL to avoid the file being created while | |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3892 * we were sleeping (symlink hacker attack?). Reset umask |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3893 * if possible to avoid mch_setperm() below. */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3894 #ifdef UNIX |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3895 umask_save = umask(0); |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3896 #endif |
7 | 3897 bfd = mch_open((char *)backup, |
557 | 3898 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
3899 perm & 0777); | |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3900 #ifdef UNIX |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3901 (void)umask(umask_save); |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3902 #endif |
7 | 3903 if (bfd < 0) |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
3904 VIM_CLEAR(backup); |
7 | 3905 else |
3906 { | |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3907 /* Set file protection same as original file, but |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3908 * strip s-bit. Only needed if umask() wasn't used |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3909 * above. */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3910 #ifndef UNIX |
7 | 3911 (void)mch_setperm(backup, perm & 0777); |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3912 #else |
7 | 3913 /* |
3914 * Try to set the group of the backup same as the | |
3915 * original file. If this fails, set the protection | |
3916 * bits for the group same as the protection bits for | |
3917 * others. | |
3918 */ | |
557 | 3919 if (st_new.st_gid != st_old.st_gid |
7 | 3920 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
557 | 3921 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
7 | 3922 # endif |
3923 ) | |
3924 mch_setperm(backup, | |
3925 (perm & 0707) | ((perm & 07) << 3)); | |
5788 | 3926 # if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
1583 | 3927 mch_copy_sec(fname, backup); |
3928 # endif | |
7 | 3929 #endif |
3930 | |
3931 /* | |
3932 * copy the file. | |
3933 */ | |
3934 write_info.bw_fd = bfd; | |
3935 write_info.bw_buf = copybuf; | |
3936 #ifdef HAS_BW_FLAGS | |
3937 write_info.bw_flags = FIO_NOCONVERT; | |
3938 #endif | |
2664 | 3939 while ((write_info.bw_len = read_eintr(fd, copybuf, |
7 | 3940 BUFSIZE)) > 0) |
3941 { | |
3942 if (buf_write_bytes(&write_info) == FAIL) | |
3943 { | |
3944 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
3945 break; | |
3946 } | |
3947 ui_breakcheck(); | |
3948 if (got_int) | |
3949 { | |
3950 errmsg = (char_u *)_(e_interr); | |
3951 break; | |
3952 } | |
3953 } | |
3954 | |
3955 if (close(bfd) < 0 && errmsg == NULL) | |
3956 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
3957 if (write_info.bw_len < 0) | |
3958 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
3959 #ifdef UNIX | |
3960 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
3961 #endif | |
3962 #ifdef HAVE_ACL | |
3963 mch_set_acl(backup, acl); | |
3964 #endif | |
5788 | 3965 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
1583 | 3966 mch_copy_sec(fname, backup); |
3967 #endif | |
7 | 3968 break; |
3969 } | |
3970 } | |
3971 } | |
3972 nobackup: | |
3973 close(fd); /* ignore errors for closing read file */ | |
3974 vim_free(copybuf); | |
3975 | |
3976 if (backup == NULL && errmsg == NULL) | |
3977 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
3978 /* ignore errors when forceit is TRUE */ | |
3979 if ((some_error || errmsg != NULL) && !forceit) | |
3980 { | |
3981 retval = FAIL; | |
3982 goto fail; | |
3983 } | |
3984 errmsg = NULL; | |
3985 } | |
3986 else | |
3987 { | |
3988 char_u *dirp; | |
3989 char_u *p; | |
3990 char_u *rootname; | |
3991 | |
3992 /* | |
3993 * Make a backup by renaming the original file. | |
3994 */ | |
3995 /* | |
3996 * If 'cpoptions' includes the "W" flag, we don't want to | |
3997 * overwrite a read-only file. But rename may be possible | |
3998 * anyway, thus we need an extra check here. | |
3999 */ | |
4000 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
4001 { | |
4002 errnum = (char_u *)"E504: "; | |
4003 errmsg = (char_u *)_(err_readonly); | |
4004 goto fail; | |
4005 } | |
4006 | |
4007 /* | |
4008 * | |
4009 * Form the backup file name - change path/fo.o.h to | |
4010 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
4011 * that works is used. | |
4012 */ | |
4013 dirp = p_bdir; | |
4014 while (*dirp) | |
4015 { | |
4016 /* | |
4017 * Isolate one directory name and make the backup file name. | |
4018 */ | |
4019 (void)copy_option_part(&dirp, IObuff, IOSIZE, ","); | |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4020 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
4021 #if defined(UNIX) || defined(MSWIN) |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4022 p = IObuff + STRLEN(IObuff); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4023 if (after_pathsep(IObuff, p) && p[-1] == p[-2]) |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4024 // path ends with '//', use full path |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4025 if ((p = make_percent_swname(IObuff, fname)) != NULL) |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4026 { |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4027 backup = modname(p, backup_ext, FALSE); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4028 vim_free(p); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4029 } |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4030 #endif |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4031 if (backup == NULL) |
7 | 4032 { |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4033 rootname = get_file_in_dir(fname, IObuff); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4034 if (rootname == NULL) |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4035 backup = NULL; |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4036 else |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4037 { |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4038 backup = buf_modname( |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4039 (buf->b_p_sn || buf->b_shortname), |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4040 rootname, backup_ext, FALSE); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4041 vim_free(rootname); |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4042 } |
7 | 4043 } |
4044 | |
4045 if (backup != NULL) | |
4046 { | |
4047 /* | |
4048 * If we are not going to keep the backup file, don't | |
4049 * delete an existing one, try to use another name. | |
4050 * Change one character, just before the extension. | |
4051 */ | |
4052 if (!p_bk && mch_getperm(backup) >= 0) | |
4053 { | |
4054 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
4055 if (p < backup) /* empty file name ??? */ | |
4056 p = backup; | |
4057 *p = 'z'; | |
4058 while (*p > 'a' && mch_getperm(backup) >= 0) | |
4059 --*p; | |
4060 /* They all exist??? Must be something wrong! */ | |
4061 if (*p == 'a') | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
4062 VIM_CLEAR(backup); |
7 | 4063 } |
4064 } | |
4065 if (backup != NULL) | |
4066 { | |
4067 /* | |
531 | 4068 * Delete any existing backup and move the current version |
4069 * to the backup. For safety, we don't remove the backup | |
4070 * until the write has finished successfully. And if the | |
4071 * 'backup' option is set, leave it around. | |
7 | 4072 */ |
4073 /* | |
4074 * If the renaming of the original file to the backup file | |
4075 * works, quit here. | |
4076 */ | |
4077 if (vim_rename(fname, backup) == 0) | |
4078 break; | |
4079 | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
4080 VIM_CLEAR(backup); /* don't do the rename below */ |
7 | 4081 } |
4082 } | |
4083 if (backup == NULL && !forceit) | |
4084 { | |
4085 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
4086 goto fail; | |
4087 } | |
4088 } | |
4089 } | |
4090 | |
7410
08e62c4fc17d
commit https://github.com/vim/vim/commit/53076830fea6df737455523f7e235bfe4f79864d
Christian Brabandt <cb@256bit.org>
parents:
7408
diff
changeset
|
4091 #if defined(UNIX) |
7 | 4092 /* When using ":w!" and the file was read-only: make it writable */ |
4093 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
4094 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
4095 { | |
4096 perm |= 0200; | |
4097 (void)mch_setperm(fname, perm); | |
4098 made_writable = TRUE; | |
4099 } | |
4100 #endif | |
4101 | |
819 | 4102 /* When using ":w!" and writing to the current file, 'readonly' makes no |
164 | 4103 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
4104 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
7 | 4105 { |
4106 buf->b_p_ro = FALSE; | |
4107 #ifdef FEAT_TITLE | |
4108 need_maketitle = TRUE; /* set window title later */ | |
4109 #endif | |
4110 status_redraw_all(); /* redraw status lines later */ | |
4111 } | |
4112 | |
4113 if (end > buf->b_ml.ml_line_count) | |
4114 end = buf->b_ml.ml_line_count; | |
4115 if (buf->b_ml.ml_flags & ML_EMPTY) | |
4116 start = end + 1; | |
4117 | |
4118 /* | |
4119 * If the original file is being overwritten, there is a small chance that | |
4120 * we crash in the middle of writing. Therefore the file is preserved now. | |
4121 * This makes all block numbers positive so that recovery does not need | |
4122 * the original file. | |
4123 * Don't do this if there is a backup file and we are exiting. | |
4124 */ | |
39 | 4125 if (reset_changed && !newfile && overwriting |
7 | 4126 && !(exiting && backup != NULL)) |
4127 { | |
4128 ml_preserve(buf, FALSE); | |
4129 if (got_int) | |
4130 { | |
4131 errmsg = (char_u *)_(e_interr); | |
4132 goto restore_backup; | |
4133 } | |
4134 } | |
4135 | |
4136 #ifdef VMS | |
4137 vms_remove_version(fname); /* remove version */ | |
4138 #endif | |
1651 | 4139 /* Default: write the file directly. May write to a temp file for |
7 | 4140 * multi-byte conversion. */ |
4141 wfname = fname; | |
4142 | |
4143 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
4144 if (eap != NULL && eap->force_enc != 0) | |
4145 { | |
4146 fenc = eap->cmd + eap->force_enc; | |
4147 fenc = enc_canonize(fenc); | |
4148 fenc_tofree = fenc; | |
4149 } | |
4150 else | |
4151 fenc = buf->b_p_fenc; | |
4152 | |
4153 /* | |
1948 | 4154 * Check if the file needs to be converted. |
7 | 4155 */ |
1948 | 4156 converted = need_conversion(fenc); |
7 | 4157 |
4158 /* | |
4159 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
4160 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
4161 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
4162 */ | |
4163 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
4164 { | |
4165 wb_flags = get_fio_flags(fenc); | |
4166 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
4167 { | |
4168 /* Need to allocate a buffer to translate into. */ | |
4169 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
4170 write_info.bw_conv_buflen = bufsize * 2; | |
4171 else /* FIO_UCS4 */ | |
4172 write_info.bw_conv_buflen = bufsize * 4; | |
4173 write_info.bw_conv_buf | |
4174 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4175 if (write_info.bw_conv_buf == NULL) | |
4176 end = 0; | |
4177 } | |
4178 } | |
4179 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
4180 #ifdef MSWIN |
7 | 4181 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) |
4182 { | |
4183 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
4184 write_info.bw_conv_buflen = bufsize * 4; | |
4185 write_info.bw_conv_buf | |
4186 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4187 if (write_info.bw_conv_buf == NULL) | |
4188 end = 0; | |
4189 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4190 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4191 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4192 #ifdef MACOS_CONVERT |
7 | 4193 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) |
4194 { | |
4195 write_info.bw_conv_buflen = bufsize * 3; | |
4196 write_info.bw_conv_buf | |
4197 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4198 if (write_info.bw_conv_buf == NULL) | |
4199 end = 0; | |
4200 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4201 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4202 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4203 #if defined(FEAT_EVAL) || defined(USE_ICONV) |
7 | 4204 if (converted && wb_flags == 0) |
4205 { | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4206 # ifdef USE_ICONV |
7 | 4207 /* |
4208 * Use iconv() conversion when conversion is needed and it's not done | |
4209 * internally. | |
4210 */ | |
4211 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
4212 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
4213 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
4214 { | |
4215 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
4216 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
4217 write_info.bw_conv_buf | |
4218 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4219 if (write_info.bw_conv_buf == NULL) | |
4220 end = 0; | |
4221 write_info.bw_first = TRUE; | |
4222 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4223 # ifdef FEAT_EVAL |
7 | 4224 else |
4225 # endif | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4226 # endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4227 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4228 # ifdef FEAT_EVAL |
7 | 4229 /* |
4230 * When the file needs to be converted with 'charconvert' after | |
4231 * writing, write to a temp file instead and let the conversion | |
4232 * overwrite the original file. | |
4233 */ | |
4234 if (*p_ccv != NUL) | |
4235 { | |
6721 | 4236 wfname = vim_tempname('w', FALSE); |
7 | 4237 if (wfname == NULL) /* Can't write without a tempfile! */ |
4238 { | |
4239 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
4240 goto restore_backup; | |
4241 } | |
4242 } | |
4243 # endif | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4244 } |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4245 #endif |
7 | 4246 if (converted && wb_flags == 0 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4247 #ifdef USE_ICONV |
7 | 4248 && write_info.bw_iconv_fd == (iconv_t)-1 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4249 # endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4250 # ifdef FEAT_EVAL |
7 | 4251 && wfname == fname |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4252 # endif |
7 | 4253 ) |
4254 { | |
4255 if (!forceit) | |
4256 { | |
4257 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
4258 goto restore_backup; | |
4259 } | |
4260 notconverted = TRUE; | |
4261 } | |
4262 | |
4263 /* | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4264 * If conversion is taking place, we may first pretend to write and check |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4265 * for conversion errors. Then loop again to write for real. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4266 * When not doing conversion this writes for real right away. |
7 | 4267 */ |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4268 for (checking_conversion = TRUE; ; checking_conversion = FALSE) |
7 | 4269 { |
4270 /* | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4271 * There is no need to check conversion when: |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4272 * - there is no conversion |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4273 * - we make a backup file, that can be restored in case of conversion |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4274 * failure. |
7 | 4275 */ |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4276 if (!converted || dobackup) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4277 checking_conversion = FALSE; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4278 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4279 if (checking_conversion) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4280 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4281 /* Make sure we don't write anything. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4282 fd = -1; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4283 write_info.bw_fd = fd; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4284 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4285 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4286 { |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4287 #ifdef HAVE_FTRUNCATE |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4288 # define TRUNC_ON_OPEN 0 |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4289 #else |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4290 # define TRUNC_ON_OPEN O_TRUNC |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4291 #endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4292 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4293 * Open the file "wfname" for writing. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4294 * We may try to open the file twice: If we can't write to the file |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4295 * and forceit is TRUE we delete the existing file and try to |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4296 * create a new one. If this still fails we may have lost the |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4297 * original file! (this may happen when the user reached his |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4298 * quotum for number of files). |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4299 * Appending will fail if the file does not exist and forceit is |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4300 * FALSE. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4301 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4302 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4303 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND) |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4304 : (O_CREAT | TRUNC_ON_OPEN)) |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4305 , perm < 0 ? 0666 : (perm & 0777))) < 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4306 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4307 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4308 * A forced write will try to create a new file if the old one |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4309 * is still readonly. This may also happen when the directory |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4310 * is read-only. In that case the mch_remove() will fail. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4311 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4312 if (errmsg == NULL) |
7 | 4313 { |
4314 #ifdef UNIX | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4315 stat_T st; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4316 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4317 /* Don't delete the file when it's a hard or symbolic link. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4318 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4319 if ((!newfile && st_old.st_nlink > 1) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4320 || (mch_lstat((char *)fname, &st) == 0 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4321 && (st.st_dev != st_old.st_dev |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4322 || st.st_ino != st_old.st_ino))) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4323 errmsg = (char_u *)_("E166: Can't open linked file for writing"); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4324 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4325 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4326 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4327 errmsg = (char_u *)_("E212: Can't open file for writing"); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4328 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4329 && perm >= 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4330 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4331 #ifdef UNIX |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4332 /* we write to the file, thus it should be marked |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4333 writable after all */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4334 if (!(perm & 0200)) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4335 made_writable = TRUE; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4336 perm |= 0200; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4337 if (st_old.st_uid != getuid() |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4338 || st_old.st_gid != getgid()) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4339 perm &= 0777; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4340 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4341 if (!append) /* don't remove when appending */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4342 mch_remove(wfname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4343 continue; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4344 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4345 } |
7 | 4346 } |
4347 | |
4348 restore_backup: | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4349 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4350 stat_T st; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4351 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4352 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4353 * If we failed to open the file, we don't need a backup. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4354 * Throw it away. If we moved or removed the original file |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4355 * try to put the backup in its place. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4356 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4357 if (backup != NULL && wfname == fname) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4358 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4359 if (backup_copy) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4360 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4361 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4362 * There is a small chance that we removed the |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4363 * original, try to move the copy in its place. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4364 * This may not work if the vim_rename() fails. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4365 * In that case we leave the copy around. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4366 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4367 /* If file does not exist, put the copy in its |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4368 * place */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4369 if (mch_stat((char *)fname, &st) < 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4370 vim_rename(backup, fname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4371 /* if original file does exist throw away the copy |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4372 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4373 if (mch_stat((char *)fname, &st) >= 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4374 mch_remove(backup); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4375 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4376 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4377 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4378 /* try to put the original file back */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4379 vim_rename(backup, fname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4380 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4381 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4382 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4383 /* if original file no longer exists give an extra warning |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4384 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4385 if (!newfile && mch_stat((char *)fname, &st) < 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4386 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4387 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4388 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4389 if (wfname != fname) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4390 vim_free(wfname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4391 goto fail; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4392 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4393 write_info.bw_fd = fd; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4394 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4395 #if defined(UNIX) |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4396 { |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4397 stat_T st; |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4398 |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4399 /* Double check we are writing the intended file before making |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4400 * any changes. */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4401 if (overwriting |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4402 && (!dobackup || backup_copy) |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4403 && fname == wfname |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4404 && perm >= 0 |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4405 && mch_fstat(fd, &st) == 0 |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4406 && st.st_ino != st_old.st_ino) |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4407 { |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4408 close(fd); |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4409 errmsg = (char_u *)_("E949: File changed while writing"); |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4410 goto fail; |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4411 } |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4412 } |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4413 #endif |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4414 #ifdef HAVE_FTRUNCATE |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4415 if (!append) |
14730
193471015e1a
patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions
Christian Brabandt <cb@256bit.org>
parents:
14700
diff
changeset
|
4416 vim_ignored = ftruncate(fd, (off_t)0); |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4417 #endif |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4418 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
4419 #if defined(MSWIN) |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4420 if (backup != NULL && overwriting && !append) |
7 | 4421 { |
4422 if (backup_copy) | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4423 (void)mch_copy_file_attribute(wfname, backup); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4424 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4425 (void)mch_copy_file_attribute(backup, wfname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4426 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4427 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4428 if (!overwriting && !append) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4429 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4430 if (buf->b_ffname != NULL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4431 (void)mch_copy_file_attribute(buf->b_ffname, wfname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4432 /* Should copy resource fork */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4433 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4434 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4435 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4436 #ifdef FEAT_CRYPT |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4437 if (*buf->b_p_key != NUL && !filtering) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4438 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4439 char_u *header; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4440 int header_len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4441 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4442 buf->b_cryptstate = crypt_create_for_writing( |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4443 crypt_get_method_nr(buf), |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4444 buf->b_p_key, &header, &header_len); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4445 if (buf->b_cryptstate == NULL || header == NULL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4446 end = 0; |
7 | 4447 else |
4448 { | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4449 /* Write magic number, so that Vim knows how this file is |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4450 * encrypted when reading it back. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4451 write_info.bw_buf = header; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4452 write_info.bw_len = header_len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4453 write_info.bw_flags = FIO_NOCONVERT; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4454 if (buf_write_bytes(&write_info) == FAIL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4455 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4456 wb_flags |= FIO_ENCRYPTED; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4457 vim_free(header); |
7 | 4458 } |
4459 } | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4460 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4461 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4462 errmsg = NULL; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4463 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4464 write_info.bw_buf = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4465 nchars = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4466 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4467 /* use "++bin", "++nobin" or 'binary' */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4468 if (eap != NULL && eap->force_bin != 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4469 write_bin = (eap->force_bin == FORCE_BIN); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4470 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4471 write_bin = buf->b_p_bin; |
7 | 4472 |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4473 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4474 * The BOM is written just after the encryption magic number. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4475 * Skip it when appending and the file already existed, the BOM only |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4476 * makes sense at the start of the file. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4477 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4478 if (buf->b_p_bomb && !write_bin && (!append || perm < 0)) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4479 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4480 write_info.bw_len = make_bom(buffer, fenc); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4481 if (write_info.bw_len > 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4482 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4483 /* don't convert, do encryption */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4484 write_info.bw_flags = FIO_NOCONVERT | wb_flags; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4485 if (buf_write_bytes(&write_info) == FAIL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4486 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4487 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4488 nchars += write_info.bw_len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4489 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4490 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4491 write_info.bw_start_lnum = start; |
7 | 4492 |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4493 #ifdef FEAT_PERSISTENT_UNDO |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4494 write_undo_file = (buf->b_p_udf |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4495 && overwriting |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4496 && !append |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4497 && !filtering |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4498 && reset_changed |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4499 && !checking_conversion); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4500 if (write_undo_file) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4501 /* Prepare for computing the hash value of the text. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4502 sha256_start(&sha_ctx); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4503 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4504 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4505 write_info.bw_len = bufsize; |
7 | 4506 #ifdef HAS_BW_FLAGS |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4507 write_info.bw_flags = wb_flags; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4508 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4509 fileformat = get_fileformat_force(buf, eap); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4510 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4511 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4512 for (lnum = start; lnum <= end; ++lnum) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4513 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4514 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4515 * The next while loop is done once for each character written. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4516 * Keep it fast! |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4517 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4518 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
|
4519 #ifdef FEAT_PERSISTENT_UNDO |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4520 if (write_undo_file) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4521 sha256_update(&sha_ctx, ptr + 1, |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4522 (UINT32_T)(STRLEN(ptr + 1) + 1)); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4523 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4524 while ((c = *++ptr) != NUL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4525 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4526 if (c == NL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4527 *s = NUL; /* replace newlines with NULs */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4528 else if (c == CAR && fileformat == EOL_MAC) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4529 *s = NL; /* Mac: replace CRs with NLs */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4530 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4531 *s = c; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4532 ++s; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4533 if (++len != bufsize) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4534 continue; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4535 if (buf_write_bytes(&write_info) == FAIL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4536 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4537 end = 0; /* write error: break loop */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4538 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4539 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4540 nchars += bufsize; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4541 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4542 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4543 write_info.bw_start_lnum = lnum; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4544 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4545 /* write failed or last line has no EOL: stop here */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4546 if (end == 0 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4547 || (lnum == end |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4548 && (write_bin || !buf->b_p_fixeol) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4549 && (lnum == buf->b_no_eol_lnum |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4550 || (lnum == buf->b_ml.ml_line_count |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4551 && !buf->b_p_eol)))) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4552 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4553 ++lnum; /* written the line, count it */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4554 no_eol = TRUE; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4555 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4556 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4557 if (fileformat == EOL_UNIX) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4558 *s++ = NL; |
7 | 4559 else |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4560 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4561 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4562 if (fileformat == EOL_DOS) /* write CR-NL */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4563 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4564 if (++len == bufsize) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4565 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4566 if (buf_write_bytes(&write_info) == FAIL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4567 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4568 end = 0; /* write error: break loop */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4569 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4570 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4571 nchars += bufsize; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4572 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4573 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4574 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4575 *s++ = NL; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4576 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4577 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4578 if (++len == bufsize && end) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4579 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4580 if (buf_write_bytes(&write_info) == FAIL) |
7 | 4581 { |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4582 end = 0; /* write error: break loop */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4583 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4584 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4585 nchars += bufsize; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4586 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4587 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4588 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4589 ui_breakcheck(); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4590 if (got_int) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4591 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4592 end = 0; /* Interrupted, break loop */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4593 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4594 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4595 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4596 #ifdef VMS |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4597 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4598 * On VMS there is a problem: newlines get added when writing |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4599 * blocks at a time. Fix it by writing a line at a time. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4600 * This is much slower! |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4601 * Explanation: VAX/DECC RTL insists that records in some RMS |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4602 * structures end with a newline (carriage return) character, and |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4603 * if they don't it adds one. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4604 * With other RMS structures it works perfect without this fix. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4605 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4606 if (buf->b_fab_rfm == FAB$C_VFC |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4607 || ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4608 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4609 int b2write; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4610 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4611 buf->b_fab_mrs = (buf->b_fab_mrs == 0 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4612 ? MIN(4096, bufsize) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4613 : MIN(buf->b_fab_mrs, bufsize)); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4614 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4615 b2write = len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4616 while (b2write > 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4617 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4618 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
7 | 4619 if (buf_write_bytes(&write_info) == FAIL) |
4620 { | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4621 end = 0; |
7 | 4622 break; |
4623 } | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4624 b2write -= MIN(b2write, buf->b_fab_mrs); |
7 | 4625 } |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4626 write_info.bw_len = bufsize; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4627 nchars += len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4628 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4629 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4630 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4631 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4632 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4633 if (len > 0 && end > 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4634 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4635 write_info.bw_len = len; |
7 | 4636 if (buf_write_bytes(&write_info) == FAIL) |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4637 end = 0; /* write error */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4638 nchars += len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4639 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4640 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4641 /* Stop when writing done or an error was encountered. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4642 if (!checking_conversion || end == 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4643 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4644 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4645 /* If no error happened until now, writing should be ok, so loop to |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4646 * really write the buffer. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4647 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4648 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4649 /* If we started writing, finish writing. Also when an error was |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4650 * encountered. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4651 if (!checking_conversion) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4652 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4653 #if defined(UNIX) && defined(HAVE_FSYNC) |
7 | 4654 /* |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4655 * On many journalling file systems there is a bug that causes both the |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4656 * original and the backup file to be lost when halting the system |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4657 * right after writing the file. That's because only the meta-data is |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4658 * journalled. Syncing the file slows down the system, but assures it |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4659 * has been written to disk and we don't lose it. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4660 * For a device do try the fsync() but don't complain if it does not |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4661 * work (could be a pipe). |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4662 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. |
7 | 4663 */ |
15816
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
4664 if (p_fs && vim_fsync(fd) != 0 && !device) |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4665 { |
12857
ffdf2e4b5d9a
patch 8.0.1305: writefile() never calls fsync()
Christian Brabandt <cb@256bit.org>
parents:
12847
diff
changeset
|
4666 errmsg = (char_u *)_(e_fsync); |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4667 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4668 } |
7 | 4669 #endif |
4670 | |
5788 | 4671 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
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changeset
|
4672 /* Probably need to set the security context. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
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11325
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changeset
|
4673 if (!backup_copy) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4674 mch_copy_sec(backup, wfname); |
1583 | 4675 #endif |
4676 | |
557 | 4677 #ifdef UNIX |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4678 /* When creating a new file, set its owner/group to that of the |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4679 * original file. Get the new device and inode number. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4680 if (backup != NULL && !backup_copy) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4681 { |
557 | 4682 # ifdef HAVE_FCHOWN |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4683 stat_T st; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4684 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4685 /* Don't change the owner when it's already OK, some systems remove |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4686 * permission or ACL stuff. */ |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4687 if (mch_stat((char *)wfname, &st) < 0 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4688 || st.st_uid != st_old.st_uid |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4689 || st.st_gid != st_old.st_gid) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4690 { |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4691 /* changing owner might not be possible */ |
14730
193471015e1a
patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions
Christian Brabandt <cb@256bit.org>
parents:
14700
diff
changeset
|
4692 vim_ignored = fchown(fd, st_old.st_uid, -1); |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4693 /* if changing group fails clear the group permissions */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4694 if (fchown(fd, -1, st_old.st_gid) == -1 && perm > 0) |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4695 perm &= ~070; |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4696 } |
557 | 4697 # endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4698 buf_setino(buf); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4699 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4700 else if (!buf->b_dev_valid) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4701 /* Set the inode when creating a new file. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4702 buf_setino(buf); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4703 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4704 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4705 #ifdef UNIX |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4706 if (made_writable) |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4707 perm &= ~0200; /* reset 'w' bit for security reasons */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4708 #endif |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4709 #ifdef HAVE_FCHMOD |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4710 /* set permission of new file same as old file */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4711 if (perm >= 0) |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4712 (void)mch_fsetperm(fd, perm); |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4713 #endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4714 if (close(fd) != 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4715 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4716 errmsg = (char_u *)_("E512: Close failed"); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4717 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4718 } |
7 | 4719 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4720 #ifndef HAVE_FCHMOD |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4721 /* set permission of new file same as old file */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4722 if (perm >= 0) |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4723 (void)mch_setperm(wfname, perm); |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4724 #endif |
7 | 4725 #ifdef HAVE_ACL |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4726 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4727 * Probably need to set the ACL before changing the user (can't set the |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4728 * ACL on a file the user doesn't own). |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4729 * On Solaris, with ZFS and the aclmode property set to "discard" (the |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4730 * default), chmod() discards all part of a file's ACL that don't |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4731 * represent the mode of the file. It's non-trivial for us to discover |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4732 * whether we're in that situation, so we simply always re-set the ACL. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4733 */ |
9509
e61974ab3ed0
commit https://github.com/vim/vim/commit/da4127794aa333631bde879e73bcfce4aef42f85
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
4734 # ifndef HAVE_SOLARIS_ZFS_ACL |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4735 if (!backup_copy) |
9509
e61974ab3ed0
commit https://github.com/vim/vim/commit/da4127794aa333631bde879e73bcfce4aef42f85
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
4736 # endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4737 mch_set_acl(wfname, acl); |
7 | 4738 #endif |
2267 | 4739 #ifdef FEAT_CRYPT |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4740 if (buf->b_cryptstate != NULL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4741 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4742 crypt_free_state(buf->b_cryptstate); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4743 buf->b_cryptstate = NULL; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4744 } |
6122 | 4745 #endif |
7 | 4746 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4747 #if defined(FEAT_EVAL) |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4748 if (wfname != fname) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4749 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4750 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4751 * The file was written to a temp file, now it needs to be |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4752 * converted with 'charconvert' to (overwrite) the output file. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4753 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4754 if (end != 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4755 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4756 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4757 fenc, wfname, fname) == FAIL) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4758 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4759 write_info.bw_conv_error = TRUE; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4760 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4761 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4762 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4763 mch_remove(wfname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4764 vim_free(wfname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4765 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4766 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4767 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4768 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4769 if (end == 0) |
7 | 4770 { |
4771 /* | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4772 * Error encountered. |
7 | 4773 */ |
4774 if (errmsg == NULL) | |
4775 { | |
4776 if (write_info.bw_conv_error) | |
1947 | 4777 { |
4778 if (write_info.bw_conv_error_lnum == 0) | |
4779 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
4780 else | |
4781 { | |
4782 errmsg_allocated = TRUE; | |
4783 errmsg = alloc(300); | |
4784 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
4785 (long)write_info.bw_conv_error_lnum); | |
4786 } | |
4787 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4788 else if (got_int) |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4789 errmsg = (char_u *)_(e_interr); |
7 | 4790 else |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4791 errmsg = (char_u *)_("E514: write error (file system full?)"); |
7 | 4792 } |
4793 | |
4794 /* | |
4795 * If we have a backup file, try to put it in place of the new file, | |
1698 | 4796 * because the new file is probably corrupt. This avoids losing the |
7 | 4797 * original file when trying to make a backup when writing the file a |
4798 * second time. | |
4799 * When "backup_copy" is set we need to copy the backup over the new | |
4800 * file. Otherwise rename the backup file. | |
4801 * If this is OK, don't give the extra warning message. | |
4802 */ | |
4803 if (backup != NULL) | |
4804 { | |
4805 if (backup_copy) | |
4806 { | |
4807 /* This may take a while, if we were interrupted let the user | |
4808 * know we got the message. */ | |
4809 if (got_int) | |
4810 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
4811 msg(_(e_interr)); |
7 | 4812 out_flush(); |
4813 } | |
4814 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
4815 { | |
4816 if ((write_info.bw_fd = mch_open((char *)fname, | |
194 | 4817 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
4818 perm & 0777)) >= 0) | |
7 | 4819 { |
4820 /* copy the file. */ | |
4821 write_info.bw_buf = smallbuf; | |
4822 #ifdef HAS_BW_FLAGS | |
4823 write_info.bw_flags = FIO_NOCONVERT; | |
4824 #endif | |
2664 | 4825 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
7 | 4826 SMBUFSIZE)) > 0) |
4827 if (buf_write_bytes(&write_info) == FAIL) | |
4828 break; | |
4829 | |
4830 if (close(write_info.bw_fd) >= 0 | |
4831 && write_info.bw_len == 0) | |
4832 end = 1; /* success */ | |
4833 } | |
4834 close(fd); /* ignore errors for closing read file */ | |
4835 } | |
4836 } | |
4837 else | |
4838 { | |
4839 if (vim_rename(backup, fname) == 0) | |
4840 end = 1; | |
4841 } | |
4842 } | |
4843 goto fail; | |
4844 } | |
4845 | |
4846 lnum -= start; /* compute number of written lines */ | |
4847 --no_wait_return; /* may wait for return now */ | |
4848 | |
4849 #if !(defined(UNIX) || defined(VMS)) | |
4850 fname = sfname; /* use shortname now, for the messages */ | |
4851 #endif | |
4852 if (!filtering) | |
4853 { | |
4854 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
4855 c = FALSE; | |
4856 if (write_info.bw_conv_error) | |
4857 { | |
4858 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
4859 c = TRUE; | |
1947 | 4860 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
|
4861 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
1947 | 4862 (long)write_info.bw_conv_error_lnum); |
7 | 4863 } |
4864 else if (notconverted) | |
4865 { | |
4866 STRCAT(IObuff, _("[NOT converted]")); | |
4867 c = TRUE; | |
4868 } | |
4869 else if (converted) | |
4870 { | |
4871 STRCAT(IObuff, _("[converted]")); | |
4872 c = TRUE; | |
4873 } | |
4874 if (device) | |
4875 { | |
4876 STRCAT(IObuff, _("[Device]")); | |
4877 c = TRUE; | |
4878 } | |
4879 else if (newfile) | |
4880 { | |
4881 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
4882 c = TRUE; | |
4883 } | |
4884 if (no_eol) | |
4885 { | |
4886 msg_add_eol(); | |
4887 c = TRUE; | |
4888 } | |
4889 /* may add [unix/dos/mac] */ | |
4890 if (msg_add_fileformat(fileformat)) | |
4891 c = TRUE; | |
4892 #ifdef FEAT_CRYPT | |
4893 if (wb_flags & FIO_ENCRYPTED) | |
4894 { | |
6122 | 4895 crypt_append_msg(buf); |
7 | 4896 c = TRUE; |
4897 } | |
4898 #endif | |
4899 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
4900 if (!shortmess(SHM_WRITE)) | |
4901 { | |
4902 if (append) | |
4903 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
4904 else | |
4905 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
4906 } | |
4907 | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
4908 set_keep_msg((char_u *)msg_trunc_attr((char *)IObuff, FALSE, 0), 0); |
7 | 4909 } |
4910 | |
39 | 4911 /* When written everything correctly: reset 'modified'. Unless not |
4912 * writing to the original file and '+' is not in 'cpoptions'. */ | |
589 | 4913 if (reset_changed && whole && !append |
7 | 4914 && !write_info.bw_conv_error |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4915 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
7 | 4916 { |
4917 unchanged(buf, TRUE); | |
10952
835604f3c37a
patch 8.0.0365: might free a dict item that wasn't allocated
Christian Brabandt <cb@256bit.org>
parents:
10889
diff
changeset
|
4918 /* b:changedtick is always incremented in unchanged() but that |
6320 | 4919 * should not trigger a TextChanged event. */ |
13240
5ed6e4a25925
patch 8.0.1494: no autocmd triggered in Insert mode with visible popup menu
Christian Brabandt <cb@256bit.org>
parents:
13170
diff
changeset
|
4920 if (buf->b_last_changedtick + 1 == CHANGEDTICK(buf)) |
5ed6e4a25925
patch 8.0.1494: no autocmd triggered in Insert mode with visible popup menu
Christian Brabandt <cb@256bit.org>
parents:
13170
diff
changeset
|
4921 buf->b_last_changedtick = CHANGEDTICK(buf); |
7 | 4922 u_unchanged(buf); |
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4923 u_update_save_nr(buf); |
7 | 4924 } |
4925 | |
4926 /* | |
4927 * If written to the current file, update the timestamp of the swap file | |
4928 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
4929 */ | |
4930 if (overwriting) | |
4931 { | |
4932 ml_timestamp(buf); | |
589 | 4933 if (append) |
4934 buf->b_flags &= ~BF_NEW; | |
4935 else | |
4936 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 4937 } |
4938 | |
4939 /* | |
4940 * If we kept a backup until now, and we are in patch mode, then we make | |
4941 * the backup file our 'original' file. | |
4942 */ | |
4943 if (*p_pm && dobackup) | |
4944 { | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
4945 char *org = (char *)buf_modname((buf->b_p_sn || buf->b_shortname), |
7 | 4946 fname, p_pm, FALSE); |
4947 | |
4948 if (backup != NULL) | |
4949 { | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
4950 stat_T st; |
7 | 4951 |
4952 /* | |
4953 * If the original file does not exist yet | |
4954 * the current backup file becomes the original file | |
4955 */ | |
4956 if (org == NULL) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
4957 emsg(_("E205: Patchmode: can't save original file")); |
7 | 4958 else if (mch_stat(org, &st) < 0) |
4959 { | |
4960 vim_rename(backup, (char_u *)org); | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
4961 VIM_CLEAR(backup); /* don't delete the file */ |
7 | 4962 #ifdef UNIX |
4963 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
4964 #endif | |
4965 } | |
4966 } | |
4967 /* | |
4968 * If there is no backup file, remember that a (new) file was | |
4969 * created. | |
4970 */ | |
4971 else | |
4972 { | |
4973 int empty_fd; | |
4974 | |
4975 if (org == NULL | |
557 | 4976 || (empty_fd = mch_open(org, |
4977 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
216 | 4978 perm < 0 ? 0666 : (perm & 0777))) < 0) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
4979 emsg(_("E206: patchmode: can't touch empty original file")); |
7 | 4980 else |
4981 close(empty_fd); | |
4982 } | |
4983 if (org != NULL) | |
4984 { | |
4985 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
4986 vim_free(org); | |
4987 } | |
4988 } | |
4989 | |
4990 /* | |
4991 * Remove the backup unless 'backup' option is set | |
4992 */ | |
4993 if (!p_bk && backup != NULL && mch_remove(backup) != 0) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
4994 emsg(_("E207: Can't delete backup file")); |
7 | 4995 |
4996 goto nofail; | |
4997 | |
4998 /* | |
4999 * Finish up. We get here either after failure or success. | |
5000 */ | |
5001 fail: | |
5002 --no_wait_return; /* may wait for return now */ | |
5003 nofail: | |
5004 | |
5005 /* Done saving, we accept changed buffer warnings again */ | |
5006 buf->b_saving = FALSE; | |
5007 | |
5008 vim_free(backup); | |
5009 if (buffer != smallbuf) | |
5010 vim_free(buffer); | |
5011 vim_free(fenc_tofree); | |
5012 vim_free(write_info.bw_conv_buf); | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5013 #ifdef USE_ICONV |
7 | 5014 if (write_info.bw_iconv_fd != (iconv_t)-1) |
5015 { | |
5016 iconv_close(write_info.bw_iconv_fd); | |
5017 write_info.bw_iconv_fd = (iconv_t)-1; | |
5018 } | |
5019 #endif | |
5020 #ifdef HAVE_ACL | |
5021 mch_free_acl(acl); | |
5022 #endif | |
5023 | |
5024 if (errmsg != NULL) | |
5025 { | |
835 | 5026 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
7 | 5027 |
11158
501f46f7644c
patch 8.0.0466: still macros that should be all-caps
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
5028 attr = HL_ATTR(HLF_E); /* set highlight for error messages */ |
7 | 5029 msg_add_fname(buf, |
5030 #ifndef UNIX | |
5031 sfname | |
5032 #else | |
5033 fname | |
5034 #endif | |
5035 ); /* put file name in IObuff with quotes */ | |
5036 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
5037 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
5038 /* If the error message has the form "is ...", put the error number in | |
5039 * front of the file name. */ | |
5040 if (errnum != NULL) | |
5041 { | |
1620 | 5042 STRMOVE(IObuff + numlen, IObuff); |
7 | 5043 mch_memmove(IObuff, errnum, (size_t)numlen); |
5044 } | |
5045 STRCAT(IObuff, errmsg); | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
5046 emsg((char *)IObuff); |
1947 | 5047 if (errmsg_allocated) |
5048 vim_free(errmsg); | |
7 | 5049 |
5050 retval = FAIL; | |
5051 if (end == 0) | |
5052 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
5053 msg_puts_attr(_("\nWARNING: Original file may be lost or damaged\n"), |
7 | 5054 attr | MSG_HIST); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
5055 msg_puts_attr(_("don't quit the editor until the file is successfully written!"), |
7 | 5056 attr | MSG_HIST); |
5057 | |
5058 /* Update the timestamp to avoid an "overwrite changed file" | |
5059 * prompt when writing again. */ | |
5060 if (mch_stat((char *)fname, &st_old) >= 0) | |
5061 { | |
5062 buf_store_time(buf, &st_old, fname); | |
5063 buf->b_mtime_read = buf->b_mtime; | |
5064 } | |
5065 } | |
5066 } | |
5067 msg_scroll = msg_save; | |
5068 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5069 #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
|
5070 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5071 * 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
|
5072 * file. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5073 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5074 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
|
5075 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5076 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
|
5077 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5078 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
|
5079 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
|
5080 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5081 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5082 |
7 | 5083 #ifdef FEAT_EVAL |
5084 if (!should_abort(retval)) | |
5085 #else | |
5086 if (!got_int) | |
5087 #endif | |
5088 { | |
5089 aco_save_T aco; | |
5090 | |
3482 | 5091 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
5092 | |
7 | 5093 /* |
5094 * Apply POST autocommands. | |
5095 * Careful: The autocommands may call buf_write() recursively! | |
5096 */ | |
5097 aucmd_prepbuf(&aco, buf); | |
5098 | |
5099 if (append) | |
5100 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
5101 FALSE, curbuf, eap); | |
5102 else if (filtering) | |
5103 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
5104 FALSE, curbuf, eap); | |
5105 else if (reset_changed && whole) | |
5106 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
5107 FALSE, curbuf, eap); | |
5108 else | |
5109 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
5110 FALSE, curbuf, eap); | |
5111 | |
5112 /* restore curwin/curbuf and a few other things */ | |
5113 aucmd_restbuf(&aco); | |
5114 | |
5115 #ifdef FEAT_EVAL | |
5116 if (aborting()) /* autocmds may abort script processing */ | |
5117 retval = FALSE; | |
5118 #endif | |
5119 } | |
5120 | |
5121 got_int |= prev_got_int; | |
5122 | |
5123 return retval; | |
5124 } | |
5125 | |
15816
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5126 #if defined(HAVE_FSYNC) || defined(PROTO) |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5127 /* |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5128 * Call fsync() with Mac-specific exception. |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5129 * Return fsync() result: zero for success. |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5130 */ |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5131 int |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5132 vim_fsync(int fd) |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5133 { |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5134 int r; |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5135 |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5136 # ifdef MACOS_X |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5137 r = fcntl(fd, F_FULLFSYNC); |
15910
da4d1f69374e
patch 8.1.0961: Mac: fsync may fail sometimes
Bram Moolenaar <Bram@vim.org>
parents:
15902
diff
changeset
|
5138 if (r != 0) // F_FULLFSYNC not working or not supported |
15816
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5139 # endif |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5140 r = fsync(fd); |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5141 return r; |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5142 } |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5143 #endif |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5144 |
7 | 5145 /* |
633 | 5146 * Set the name of the current buffer. Use when the buffer doesn't have a |
5147 * name and a ":r" or ":w" command with a file name is used. | |
5148 */ | |
5149 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5150 set_rw_fname(char_u *fname, char_u *sfname) |
633 | 5151 { |
1905 | 5152 buf_T *buf = curbuf; |
5153 | |
633 | 5154 /* It's like the unnamed buffer is deleted.... */ |
5155 if (curbuf->b_p_bl) | |
5156 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
5157 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
5158 #ifdef FEAT_EVAL |
633 | 5159 if (aborting()) /* autocmds may abort script processing */ |
5160 return FAIL; | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
5161 #endif |
1905 | 5162 if (curbuf != buf) |
5163 { | |
5164 /* We are in another buffer now, don't do the renaming. */ | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
5165 emsg(_(e_auchangedbuf)); |
1905 | 5166 return FAIL; |
5167 } | |
633 | 5168 |
5169 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
5170 curbuf->b_flags |= BF_NOTEDITED; | |
5171 | |
5172 /* ....and a new named one is created */ | |
5173 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
5174 if (curbuf->b_p_bl) | |
5175 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
5176 #ifdef FEAT_EVAL |
633 | 5177 if (aborting()) /* autocmds may abort script processing */ |
5178 return FAIL; | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
5179 #endif |
633 | 5180 |
5181 /* Do filetype detection now if 'filetype' is empty. */ | |
5182 if (*curbuf->b_p_ft == NUL) | |
5183 { | |
819 | 5184 if (au_has_group((char_u *)"filetypedetect")) |
9260
ac8180818504
commit https://github.com/vim/vim/commit/1610d052413e0ed664498853a47acc2d677a22d1
Christian Brabandt <cb@256bit.org>
parents:
9211
diff
changeset
|
5185 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE, NULL); |
717 | 5186 do_modelines(0); |
633 | 5187 } |
5188 | |
5189 return OK; | |
5190 } | |
5191 | |
5192 /* | |
7 | 5193 * Put file name into IObuff with quotes. |
5194 */ | |
33 | 5195 void |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5196 msg_add_fname(buf_T *buf, char_u *fname) |
7 | 5197 { |
5198 if (fname == NULL) | |
5199 fname = (char_u *)"-stdin-"; | |
5200 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
5201 IObuff[0] = '"'; | |
5202 STRCAT(IObuff, "\" "); | |
5203 } | |
5204 | |
5205 /* | |
5206 * Append message for text mode to IObuff. | |
5207 * Return TRUE if something appended. | |
5208 */ | |
5209 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5210 msg_add_fileformat(int eol_type) |
7 | 5211 { |
5212 #ifndef USE_CRNL | |
5213 if (eol_type == EOL_DOS) | |
5214 { | |
5215 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
5216 return TRUE; | |
5217 } | |
5218 #endif | |
5219 if (eol_type == EOL_MAC) | |
5220 { | |
5221 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
5222 return TRUE; | |
5223 } | |
15840
734b1928a5aa
patch 8.1.0927: USE_CR is never defined
Bram Moolenaar <Bram@vim.org>
parents:
15816
diff
changeset
|
5224 #ifdef USE_CRNL |
7 | 5225 if (eol_type == EOL_UNIX) |
5226 { | |
5227 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
5228 return TRUE; | |
5229 } | |
5230 #endif | |
5231 return FALSE; | |
5232 } | |
5233 | |
5234 /* | |
5235 * Append line and character count to IObuff. | |
5236 */ | |
33 | 5237 void |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5238 msg_add_lines( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5239 int insert_space, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5240 long lnum, |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
5241 off_T nchars) |
7 | 5242 { |
5243 char_u *p; | |
5244 | |
5245 p = IObuff + STRLEN(IObuff); | |
5246 | |
5247 if (insert_space) | |
5248 *p++ = ' '; | |
5249 if (shortmess(SHM_LINES)) | |
9391
4c40631238e4
commit https://github.com/vim/vim/commit/bde9810d6103ffe3a22a9330021cb21db1ed1792
Christian Brabandt <cb@256bit.org>
parents:
9389
diff
changeset
|
5250 vim_snprintf((char *)p, IOSIZE - (p - IObuff), |
15517
2ad5f0ffaa2e
patch 8.1.0766: various problems when using Vim on VMS
Bram Moolenaar <Bram@vim.org>
parents:
15510
diff
changeset
|
5251 "%ldL, %lldC", lnum, (long_long_T)nchars); |
7 | 5252 else |
5253 { | |
14585
c8f07e8b273e
patch 8.1.0306: plural messages are not translated properly
Christian Brabandt <cb@256bit.org>
parents:
14509
diff
changeset
|
5254 sprintf((char *)p, NGETTEXT("%ld line, ", "%ld lines, ", lnum), lnum); |
7 | 5255 p += STRLEN(p); |
14585
c8f07e8b273e
patch 8.1.0306: plural messages are not translated properly
Christian Brabandt <cb@256bit.org>
parents:
14509
diff
changeset
|
5256 vim_snprintf((char *)p, IOSIZE - (p - IObuff), |
c8f07e8b273e
patch 8.1.0306: plural messages are not translated properly
Christian Brabandt <cb@256bit.org>
parents:
14509
diff
changeset
|
5257 NGETTEXT("%lld character", "%lld characters", nchars), |
15517
2ad5f0ffaa2e
patch 8.1.0766: various problems when using Vim on VMS
Bram Moolenaar <Bram@vim.org>
parents:
15510
diff
changeset
|
5258 (long_long_T)nchars); |
7 | 5259 } |
5260 } | |
5261 | |
5262 /* | |
5263 * Append message for missing line separator to IObuff. | |
5264 */ | |
5265 static void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
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 | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
5277 check_mtime(buf_T *buf, stat_T *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 */ | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
5285 msg_attr(_("WARNING: The file has been changed since reading it!!!"), |
11158
501f46f7644c
patch 8.0.0466: still macros that should be all-caps
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
5286 HL_ATTR(HLF_E)); |
7 | 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 | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
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 | |
7819
f86adafb28d4
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 /* | |
5325 * Skip conversion when writing the crypt magic number or the BOM. | |
5326 */ | |
5327 if (!(flags & FIO_NOCONVERT)) | |
5328 { | |
5329 char_u *p; | |
5330 unsigned c; | |
5331 int n; | |
5332 | |
5333 if (flags & FIO_UTF8) | |
5334 { | |
5335 /* | |
5336 * Convert latin1 in the buffer to UTF-8 in the file. | |
5337 */ | |
5338 p = ip->bw_conv_buf; /* translate to buffer */ | |
5339 for (wlen = 0; wlen < len; ++wlen) | |
5340 p += utf_char2bytes(buf[wlen], p); | |
5341 buf = ip->bw_conv_buf; | |
5342 len = (int)(p - ip->bw_conv_buf); | |
5343 } | |
5344 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
5345 { | |
5346 /* | |
5347 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
5348 * Latin1 chars in the file. | |
5349 */ | |
5350 if (flags & FIO_LATIN1) | |
5351 p = buf; /* translate in-place (can only get shorter) */ | |
5352 else | |
5353 p = ip->bw_conv_buf; /* translate to buffer */ | |
5354 for (wlen = 0; wlen < len; wlen += n) | |
5355 { | |
5356 if (wlen == 0 && ip->bw_restlen != 0) | |
5357 { | |
5358 int l; | |
5359 | |
5360 /* Use remainder of previous call. Append the start of | |
5361 * buf[] to get a full sequence. Might still be too | |
5362 * short! */ | |
5363 l = CONV_RESTLEN - ip->bw_restlen; | |
5364 if (l > len) | |
5365 l = len; | |
5366 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
474 | 5367 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
7 | 5368 if (n > ip->bw_restlen + len) |
5369 { | |
5370 /* We have an incomplete byte sequence at the end to | |
5371 * be written. We can't convert it without the | |
5372 * remaining bytes. Keep them for the next call. */ | |
5373 if (ip->bw_restlen + len > CONV_RESTLEN) | |
5374 return FAIL; | |
5375 ip->bw_restlen += len; | |
5376 break; | |
5377 } | |
5378 if (n > 1) | |
5379 c = utf_ptr2char(ip->bw_rest); | |
5380 else | |
5381 c = ip->bw_rest[0]; | |
5382 if (n >= ip->bw_restlen) | |
5383 { | |
5384 n -= ip->bw_restlen; | |
5385 ip->bw_restlen = 0; | |
5386 } | |
5387 else | |
5388 { | |
5389 ip->bw_restlen -= n; | |
5390 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
5391 (size_t)ip->bw_restlen); | |
5392 n = 0; | |
5393 } | |
5394 } | |
5395 else | |
5396 { | |
474 | 5397 n = utf_ptr2len_len(buf + wlen, len - wlen); |
7 | 5398 if (n > len - wlen) |
5399 { | |
5400 /* We have an incomplete byte sequence at the end to | |
5401 * be written. We can't convert it without the | |
5402 * remaining bytes. Keep them for the next call. */ | |
5403 if (len - wlen > CONV_RESTLEN) | |
5404 return FAIL; | |
5405 ip->bw_restlen = len - wlen; | |
5406 mch_memmove(ip->bw_rest, buf + wlen, | |
5407 (size_t)ip->bw_restlen); | |
5408 break; | |
5409 } | |
5410 if (n > 1) | |
5411 c = utf_ptr2char(buf + wlen); | |
5412 else | |
5413 c = buf[wlen]; | |
5414 } | |
5415 | |
1947 | 5416 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
5417 { | |
5418 ip->bw_conv_error = TRUE; | |
5419 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
5420 } | |
5421 if (c == NL) | |
5422 ++ip->bw_start_lnum; | |
7 | 5423 } |
5424 if (flags & FIO_LATIN1) | |
5425 len = (int)(p - buf); | |
5426 else | |
5427 { | |
5428 buf = ip->bw_conv_buf; | |
5429 len = (int)(p - ip->bw_conv_buf); | |
5430 } | |
5431 } | |
5432 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
5433 #ifdef MSWIN |
7 | 5434 else if (flags & FIO_CODEPAGE) |
5435 { | |
5436 /* | |
5437 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
5438 * codepage. | |
5439 */ | |
5440 char_u *from; | |
5441 size_t fromlen; | |
5442 char_u *to; | |
5443 int u8c; | |
5444 BOOL bad = FALSE; | |
5445 int needed; | |
5446 | |
5447 if (ip->bw_restlen > 0) | |
5448 { | |
5449 /* Need to concatenate the remainder of the previous call and | |
5450 * the bytes of the current call. Use the end of the | |
5451 * conversion buffer for this. */ | |
5452 fromlen = len + ip->bw_restlen; | |
5453 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5454 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5455 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5456 } | |
5457 else | |
5458 { | |
5459 from = buf; | |
5460 fromlen = len; | |
5461 } | |
5462 | |
5463 to = ip->bw_conv_buf; | |
5464 if (enc_utf8) | |
5465 { | |
5466 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
5467 * The buffer has been allocated to be big enough. */ | |
5468 while (fromlen > 0) | |
5469 { | |
835 | 5470 n = (int)utf_ptr2len_len(from, (int)fromlen); |
7 | 5471 if (n > (int)fromlen) /* incomplete byte sequence */ |
5472 break; | |
5473 u8c = utf_ptr2char(from); | |
5474 *to++ = (u8c & 0xff); | |
5475 *to++ = (u8c >> 8); | |
5476 fromlen -= n; | |
5477 from += n; | |
5478 } | |
5479 | |
5480 /* Copy remainder to ip->bw_rest[] to be used for the next | |
5481 * call. */ | |
5482 if (fromlen > CONV_RESTLEN) | |
5483 { | |
5484 /* weird overlong sequence */ | |
5485 ip->bw_conv_error = TRUE; | |
5486 return FAIL; | |
5487 } | |
5488 mch_memmove(ip->bw_rest, from, fromlen); | |
835 | 5489 ip->bw_restlen = (int)fromlen; |
7 | 5490 } |
5491 else | |
5492 { | |
5493 /* Convert from enc_codepage to UCS-2, to the start of the | |
5494 * buffer. The buffer has been allocated to be big enough. */ | |
5495 ip->bw_restlen = 0; | |
5496 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5497 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
7 | 5498 NULL, 0); |
5499 if (needed == 0) | |
5500 { | |
5501 /* When conversion fails there may be a trailing byte. */ | |
5502 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5503 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
7 | 5504 NULL, 0); |
5505 if (needed == 0) | |
5506 { | |
5507 /* Conversion doesn't work. */ | |
5508 ip->bw_conv_error = TRUE; | |
5509 return FAIL; | |
5510 } | |
5511 /* Save the trailing byte for the next call. */ | |
5512 ip->bw_rest[0] = from[fromlen - 1]; | |
5513 ip->bw_restlen = 1; | |
5514 } | |
5515 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
1142 | 5516 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
7 | 5517 (LPWSTR)to, needed); |
5518 if (needed == 0) | |
5519 { | |
5520 /* Safety check: Conversion doesn't work. */ | |
5521 ip->bw_conv_error = TRUE; | |
5522 return FAIL; | |
5523 } | |
5524 to += needed * 2; | |
5525 } | |
5526 | |
5527 fromlen = to - ip->bw_conv_buf; | |
5528 buf = to; | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5529 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ |
7 | 5530 if (FIO_GET_CP(flags) == CP_UTF8) |
5531 { | |
5532 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
5533 * conversion buffer. Fails when out of space. */ | |
5534 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
5535 { | |
5536 u8c = *from++; | |
5537 u8c += (*from++ << 8); | |
5538 to += utf_char2bytes(u8c, to); | |
5539 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
5540 { | |
5541 ip->bw_conv_error = TRUE; | |
5542 return FAIL; | |
5543 } | |
5544 } | |
835 | 5545 len = (int)(to - buf); |
7 | 5546 } |
5547 else | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5548 # endif |
7 | 5549 { |
5550 /* Convert from UCS-2 to the codepage, using the remainder of | |
5551 * the conversion buffer. If the conversion uses the default | |
5552 * character "0", the data doesn't fit in this encoding, so | |
5553 * fail. */ | |
5554 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
5555 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
1142 | 5556 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
5557 &bad); | |
7 | 5558 if (bad) |
5559 { | |
5560 ip->bw_conv_error = TRUE; | |
5561 return FAIL; | |
5562 } | |
5563 } | |
5564 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5565 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5566 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5567 #ifdef MACOS_CONVERT |
7 | 5568 else if (flags & FIO_MACROMAN) |
5569 { | |
5570 /* | |
5571 * Convert UTF-8 or latin1 to Apple MacRoman. | |
5572 */ | |
5573 char_u *from; | |
5574 size_t fromlen; | |
5575 | |
5576 if (ip->bw_restlen > 0) | |
5577 { | |
5578 /* Need to concatenate the remainder of the previous call and | |
5579 * the bytes of the current call. Use the end of the | |
5580 * conversion buffer for this. */ | |
5581 fromlen = len + ip->bw_restlen; | |
5582 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5583 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5584 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5585 } | |
5586 else | |
5587 { | |
5588 from = buf; | |
5589 fromlen = len; | |
5590 } | |
5591 | |
18 | 5592 if (enc2macroman(from, fromlen, |
5593 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
5594 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
7 | 5595 { |
5596 ip->bw_conv_error = TRUE; | |
5597 return FAIL; | |
5598 } | |
5599 buf = ip->bw_conv_buf; | |
5600 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5601 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5602 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5603 #ifdef USE_ICONV |
7 | 5604 if (ip->bw_iconv_fd != (iconv_t)-1) |
5605 { | |
5606 const char *from; | |
5607 size_t fromlen; | |
5608 char *to; | |
5609 size_t tolen; | |
5610 | |
5611 /* Convert with iconv(). */ | |
5612 if (ip->bw_restlen > 0) | |
5613 { | |
1836 | 5614 char *fp; |
5615 | |
7 | 5616 /* Need to concatenate the remainder of the previous call and |
5617 * the bytes of the current call. Use the end of the | |
5618 * conversion buffer for this. */ | |
5619 fromlen = len + ip->bw_restlen; | |
1836 | 5620 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
5621 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
5622 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
5623 from = fp; | |
7 | 5624 tolen = ip->bw_conv_buflen - fromlen; |
5625 } | |
5626 else | |
5627 { | |
5628 from = (const char *)buf; | |
5629 fromlen = len; | |
5630 tolen = ip->bw_conv_buflen; | |
5631 } | |
5632 to = (char *)ip->bw_conv_buf; | |
5633 | |
5634 if (ip->bw_first) | |
5635 { | |
5636 size_t save_len = tolen; | |
5637 | |
5638 /* output the initial shift state sequence */ | |
5639 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
5640 | |
5641 /* There is a bug in iconv() on Linux (which appears to be | |
5642 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
5643 */ | |
5644 if (to == NULL) | |
5645 { | |
5646 to = (char *)ip->bw_conv_buf; | |
5647 tolen = save_len; | |
5648 } | |
5649 ip->bw_first = FALSE; | |
5650 } | |
5651 | |
5652 /* | |
5653 * If iconv() has an error or there is not enough room, fail. | |
5654 */ | |
5655 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
5656 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
5657 || fromlen > CONV_RESTLEN) | |
5658 { | |
5659 ip->bw_conv_error = TRUE; | |
5660 return FAIL; | |
5661 } | |
5662 | |
5663 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
5664 if (fromlen > 0) | |
5665 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
5666 ip->bw_restlen = (int)fromlen; | |
5667 | |
5668 buf = ip->bw_conv_buf; | |
5669 len = (int)((char_u *)to - ip->bw_conv_buf); | |
5670 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
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parents:
15555
diff
changeset
|
5671 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
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parents:
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diff
changeset
|
5672 } |
7 | 5673 |
11605
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patch 8.0.0685: when conversion fails written file may be truncated
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parents:
11325
diff
changeset
|
5674 if (ip->bw_fd < 0) |
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patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
5675 /* Only checking conversion, which is OK if we get here. */ |
16ccaedce025
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parents:
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diff
changeset
|
5676 return OK; |
16ccaedce025
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parents:
11325
diff
changeset
|
5677 |
7 | 5678 #ifdef FEAT_CRYPT |
6122 | 5679 if (flags & FIO_ENCRYPTED) |
5680 { | |
5681 /* Encrypt the data. Do it in-place if possible, otherwise use an | |
5682 * allocated buffer. */ | |
15531
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patch 8.1.0773: not all crypt code is tested
Bram Moolenaar <Bram@vim.org>
parents:
15517
diff
changeset
|
5683 # ifdef CRYPT_NOT_INPLACE |
6122 | 5684 if (crypt_works_inplace(ip->bw_buffer->b_cryptstate)) |
5685 { | |
15531
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patch 8.1.0773: not all crypt code is tested
Bram Moolenaar <Bram@vim.org>
parents:
15517
diff
changeset
|
5686 # endif |
6122 | 5687 crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len); |
15531
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patch 8.1.0773: not all crypt code is tested
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parents:
15517
diff
changeset
|
5688 # ifdef CRYPT_NOT_INPLACE |
6122 | 5689 } |
5690 else | |
5691 { | |
5692 char_u *outbuf; | |
5693 | |
5694 len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf); | |
5695 if (len == 0) | |
5696 return OK; /* Crypt layer is buffering, will flush later. */ | |
5697 wlen = write_eintr(ip->bw_fd, outbuf, len); | |
5698 vim_free(outbuf); | |
5699 return (wlen < len) ? FAIL : OK; | |
5700 } | |
15531
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patch 8.1.0773: not all crypt code is tested
Bram Moolenaar <Bram@vim.org>
parents:
15517
diff
changeset
|
5701 # endif |
6122 | 5702 } |
7 | 5703 #endif |
5704 | |
2664 | 5705 wlen = write_eintr(ip->bw_fd, buf, len); |
5706 return (wlen < len) ? FAIL : OK; | |
7 | 5707 } |
5708 | |
5709 /* | |
5710 * Convert a Unicode character to bytes. | |
1947 | 5711 * Return TRUE for an error, FALSE when it's OK. |
7 | 5712 */ |
5713 static int | |
7819
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parents:
7801
diff
changeset
|
5714 ucs2bytes( |
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5715 unsigned c, /* in: character */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5716 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
|
5717 int flags) /* FIO_ flags */ |
7 | 5718 { |
5719 char_u *p = *pp; | |
5720 int error = FALSE; | |
5721 int cc; | |
5722 | |
5723 | |
5724 if (flags & FIO_UCS4) | |
5725 { | |
5726 if (flags & FIO_ENDIAN_L) | |
5727 { | |
5728 *p++ = c; | |
5729 *p++ = (c >> 8); | |
5730 *p++ = (c >> 16); | |
5731 *p++ = (c >> 24); | |
5732 } | |
5733 else | |
5734 { | |
5735 *p++ = (c >> 24); | |
5736 *p++ = (c >> 16); | |
5737 *p++ = (c >> 8); | |
5738 *p++ = c; | |
5739 } | |
5740 } | |
5741 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
5742 { | |
5743 if (c >= 0x10000) | |
5744 { | |
5745 if (flags & FIO_UTF16) | |
5746 { | |
5747 /* Make two words, ten bits of the character in each. First | |
5748 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
5749 c -= 0x10000; | |
5750 if (c >= 0x100000) | |
5751 error = TRUE; | |
5752 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
5753 if (flags & FIO_ENDIAN_L) | |
5754 { | |
5755 *p++ = cc; | |
5756 *p++ = ((unsigned)cc >> 8); | |
5757 } | |
5758 else | |
5759 { | |
5760 *p++ = ((unsigned)cc >> 8); | |
5761 *p++ = cc; | |
5762 } | |
5763 c = (c & 0x3ff) + 0xdc00; | |
5764 } | |
5765 else | |
5766 error = TRUE; | |
5767 } | |
5768 if (flags & FIO_ENDIAN_L) | |
5769 { | |
5770 *p++ = c; | |
5771 *p++ = (c >> 8); | |
5772 } | |
5773 else | |
5774 { | |
5775 *p++ = (c >> 8); | |
5776 *p++ = c; | |
5777 } | |
5778 } | |
5779 else /* Latin1 */ | |
5780 { | |
5781 if (c >= 0x100) | |
5782 { | |
5783 error = TRUE; | |
5784 *p++ = 0xBF; | |
5785 } | |
5786 else | |
5787 *p++ = c; | |
5788 } | |
5789 | |
5790 *pp = p; | |
5791 return error; | |
5792 } | |
5793 | |
5794 /* | |
1948 | 5795 * Return TRUE if file encoding "fenc" requires conversion from or to |
5796 * 'encoding'. | |
7 | 5797 */ |
5798 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5799 need_conversion(char_u *fenc) |
7 | 5800 { |
1948 | 5801 int same_encoding; |
5802 int enc_flags; | |
5803 int fenc_flags; | |
5804 | |
5805 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5806 { |
1948 | 5807 same_encoding = TRUE; |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5808 fenc_flags = 0; |
120502692d82
Improve the MS-Windows installer.
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parents:
2215
diff
changeset
|
5809 } |
1948 | 5810 else |
5811 { | |
5812 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
5813 * "ucs-4be", etc. */ | |
5814 enc_flags = get_fio_flags(p_enc); | |
5815 fenc_flags = get_fio_flags(fenc); | |
5816 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
5817 } | |
5818 if (same_encoding) | |
5819 { | |
5820 /* Specified encoding matches with 'encoding'. This requires | |
5821 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
5822 return enc_unicode != 0; | |
5823 } | |
5824 | |
5825 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
5826 * Unicode encoding and the file is UTF-8. */ | |
5827 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
7 | 5828 } |
5829 | |
5830 /* | |
5831 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
5832 * internal conversion. | |
5833 * if "ptr" is an empty string, use 'encoding'. | |
5834 */ | |
5835 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5836 get_fio_flags(char_u *ptr) |
7 | 5837 { |
5838 int prop; | |
5839 | |
5840 if (*ptr == NUL) | |
5841 ptr = p_enc; | |
5842 | |
5843 prop = enc_canon_props(ptr); | |
5844 if (prop & ENC_UNICODE) | |
5845 { | |
5846 if (prop & ENC_2BYTE) | |
5847 { | |
5848 if (prop & ENC_ENDIAN_L) | |
5849 return FIO_UCS2 | FIO_ENDIAN_L; | |
5850 return FIO_UCS2; | |
5851 } | |
5852 if (prop & ENC_4BYTE) | |
5853 { | |
5854 if (prop & ENC_ENDIAN_L) | |
5855 return FIO_UCS4 | FIO_ENDIAN_L; | |
5856 return FIO_UCS4; | |
5857 } | |
5858 if (prop & ENC_2WORD) | |
5859 { | |
5860 if (prop & ENC_ENDIAN_L) | |
5861 return FIO_UTF16 | FIO_ENDIAN_L; | |
5862 return FIO_UTF16; | |
5863 } | |
5864 return FIO_UTF8; | |
5865 } | |
5866 if (prop & ENC_LATIN1) | |
5867 return FIO_LATIN1; | |
5868 /* must be ENC_DBCS, requires iconv() */ | |
5869 return 0; | |
5870 } | |
5871 | |
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patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
5872 #ifdef MSWIN |
7 | 5873 /* |
5874 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
5875 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
5876 * Used for conversion between 'encoding' and 'fileencoding'. | |
5877 */ | |
5878 static int | |
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5879 get_win_fio_flags(char_u *ptr) |
7 | 5880 { |
5881 int cp; | |
5882 | |
5883 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
5884 if (!enc_utf8 && enc_codepage <= 0) | |
5885 return 0; | |
5886 | |
5887 cp = encname2codepage(ptr); | |
5888 if (cp == 0) | |
5889 { | |
5890 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5891 if (STRCMP(ptr, "utf-8") == 0) | |
5892 cp = CP_UTF8; | |
5893 else | |
5894 # endif | |
5895 return 0; | |
5896 } | |
5897 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
5898 } | |
5899 #endif | |
5900 | |
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patch 8.0.1236: Mac features are confusing
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parents:
12698
diff
changeset
|
5901 #ifdef MACOS_CONVERT |
7 | 5902 /* |
5903 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
5904 * needed for the internal conversion to/from utf-8 or latin1. | |
5905 */ | |
5906 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5907 get_mac_fio_flags(char_u *ptr) |
7 | 5908 { |
5909 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
5910 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
5911 return FIO_MACROMAN; | |
5912 return 0; | |
5913 } | |
5914 #endif | |
5915 | |
5916 /* | |
5917 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
5918 * "size" must be at least 2. | |
5919 * Return the name of the encoding and set "*lenp" to the length. | |
5920 * Returns NULL when no BOM found. | |
5921 */ | |
5922 static char_u * | |
7819
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5923 check_for_bom( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5924 char_u *p, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5925 long size, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5926 int *lenp, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5927 int flags) |
7 | 5928 { |
5929 char *name = NULL; | |
5930 int len = 2; | |
5931 | |
5932 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
1688 | 5933 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
7 | 5934 { |
5935 name = "utf-8"; /* EF BB BF */ | |
5936 len = 3; | |
5937 } | |
5938 else if (p[0] == 0xff && p[1] == 0xfe) | |
5939 { | |
5940 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
5941 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
5942 { | |
5943 name = "ucs-4le"; /* FF FE 00 00 */ | |
5944 len = 4; | |
5945 } | |
1735 | 5946 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
7 | 5947 name = "ucs-2le"; /* FF FE */ |
1735 | 5948 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
5949 /* utf-16le is preferred, it also works for ucs-2le text */ | |
7 | 5950 name = "utf-16le"; /* FF FE */ |
5951 } | |
5952 else if (p[0] == 0xfe && p[1] == 0xff | |
5953 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
5954 { | |
1547 | 5955 /* Default to utf-16, it works also for ucs-2 text. */ |
5956 if (flags == FIO_UCS2) | |
5957 name = "ucs-2"; /* FE FF */ | |
5958 else | |
7 | 5959 name = "utf-16"; /* FE FF */ |
5960 } | |
5961 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
5962 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
5963 { | |
5964 name = "ucs-4"; /* 00 00 FE FF */ | |
5965 len = 4; | |
5966 } | |
5967 | |
5968 *lenp = len; | |
5969 return (char_u *)name; | |
5970 } | |
5971 | |
5972 /* | |
5973 * Generate a BOM in "buf[4]" for encoding "name". | |
5974 * Return the length of the BOM (zero when no BOM). | |
5975 */ | |
5976 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5977 make_bom(char_u *buf, char_u *name) |
7 | 5978 { |
5979 int flags; | |
5980 char_u *p; | |
5981 | |
5982 flags = get_fio_flags(name); | |
5983 | |
5984 /* Can't put a BOM in a non-Unicode file. */ | |
5985 if (flags == FIO_LATIN1 || flags == 0) | |
5986 return 0; | |
5987 | |
5988 if (flags == FIO_UTF8) /* UTF-8 */ | |
5989 { | |
5990 buf[0] = 0xef; | |
5991 buf[1] = 0xbb; | |
5992 buf[2] = 0xbf; | |
5993 return 3; | |
5994 } | |
5995 p = buf; | |
5996 (void)ucs2bytes(0xfeff, &p, flags); | |
5997 return (int)(p - buf); | |
5998 } | |
5999 | |
6000 /* | |
6001 * Try to find a shortname by comparing the fullname with the current | |
6002 * directory. | |
1411 | 6003 * Returns "full_path" or pointer into "full_path" if shortened. |
6004 */ | |
6005 char_u * | |
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parents:
7801
diff
changeset
|
6006 shorten_fname1(char_u *full_path) |
1411 | 6007 { |
2770 | 6008 char_u *dirname; |
1411 | 6009 char_u *p = full_path; |
6010 | |
2770 | 6011 dirname = alloc(MAXPATHL); |
6012 if (dirname == NULL) | |
6013 return full_path; | |
1411 | 6014 if (mch_dirname(dirname, MAXPATHL) == OK) |
6015 { | |
6016 p = shorten_fname(full_path, dirname); | |
6017 if (p == NULL || *p == NUL) | |
6018 p = full_path; | |
6019 } | |
2770 | 6020 vim_free(dirname); |
1411 | 6021 return p; |
6022 } | |
6023 | |
6024 /* | |
6025 * Try to find a shortname by comparing the fullname with the current | |
6026 * directory. | |
7 | 6027 * Returns NULL if not shorter name possible, pointer into "full_path" |
6028 * otherwise. | |
6029 */ | |
6030 char_u * | |
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6031 shorten_fname(char_u *full_path, char_u *dir_name) |
7 | 6032 { |
6033 int len; | |
6034 char_u *p; | |
6035 | |
6036 if (full_path == NULL) | |
6037 return NULL; | |
6038 len = (int)STRLEN(dir_name); | |
6039 if (fnamencmp(dir_name, full_path, len) == 0) | |
6040 { | |
6041 p = full_path + len; | |
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parents:
8080
diff
changeset
|
6042 #if defined(MSWIN) |
7 | 6043 /* |
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diff
changeset
|
6044 * MS-Windows: when a file is in the root directory, dir_name will end |
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
6045 * in a slash, since C: by itself does not define a specific dir. In |
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
6046 * this case p may already be correct. <negri> |
7 | 6047 */ |
6048 if (!((len > 2) && (*(p - 2) == ':'))) | |
6049 #endif | |
6050 { | |
6051 if (vim_ispathsep(*p)) | |
6052 ++p; | |
6053 #ifndef VMS /* the path separator is always part of the path */ | |
6054 else | |
6055 p = NULL; | |
6056 #endif | |
6057 } | |
6058 } | |
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parents:
8080
diff
changeset
|
6059 #if defined(MSWIN) |
7 | 6060 /* |
6061 * When using a file in the current drive, remove the drive name: | |
6062 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
6063 * a floppy from "A:\dir" to "B:\dir". | |
6064 */ | |
6065 else if (len > 3 | |
6066 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
6067 && full_path[1] == ':' | |
6068 && vim_ispathsep(full_path[2])) | |
6069 p = full_path + 2; | |
6070 #endif | |
6071 else | |
6072 p = NULL; | |
6073 return p; | |
6074 } | |
6075 | |
6076 /* | |
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patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6077 * Shorten filename of a buffer. |
7 | 6078 * When "force" is TRUE: Use full path from now on for files currently being |
6079 * edited, both for file name and swap file name. Try to shorten the file | |
6080 * names a bit, if safe to do so. | |
6081 * When "force" is FALSE: Only try to shorten absolute file names. | |
6082 * For buffers that have buftype "nofile" or "scratch": never change the file | |
6083 * name. | |
6084 */ | |
6085 void | |
13819
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6086 shorten_buf_fname(buf_T *buf, char_u *dirname, int force) |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6087 { |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6088 char_u *p; |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6089 |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6090 if (buf->b_fname != NULL |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6091 #ifdef FEAT_QUICKFIX |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6092 && !bt_nofile(buf) |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6093 #endif |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6094 && !path_with_url(buf->b_fname) |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6095 && (force |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6096 || buf->b_sfname == NULL |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6097 || mch_isFullName(buf->b_sfname))) |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6098 { |
14917
6f2ce3b311de
patch 8.1.0470: pointer ownership around fname_expand() is unclear
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
6099 if (buf->b_sfname != buf->b_ffname) |
6f2ce3b311de
patch 8.1.0470: pointer ownership around fname_expand() is unclear
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
6100 VIM_CLEAR(buf->b_sfname); |
13819
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6101 p = shorten_fname(buf->b_ffname, dirname); |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6102 if (p != NULL) |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6103 { |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6104 buf->b_sfname = vim_strsave(p); |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6105 buf->b_fname = buf->b_sfname; |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6106 } |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6107 if (p == NULL || buf->b_fname == NULL) |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6108 buf->b_fname = buf->b_ffname; |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6109 } |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6110 } |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6111 |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6112 /* |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6113 * Shorten filenames for all buffers. |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6114 */ |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6115 void |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6116 shorten_fnames(int force) |
7 | 6117 { |
6118 char_u dirname[MAXPATHL]; | |
6119 buf_T *buf; | |
6120 | |
6121 mch_dirname(dirname, MAXPATHL); | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9599
diff
changeset
|
6122 FOR_ALL_BUFFERS(buf) |
7 | 6123 { |
13819
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6124 shorten_buf_fname(buf, dirname, force); |
9 | 6125 |
6126 /* Always make the swap file name a full path, a "nofile" buffer may | |
6127 * also have a swap file. */ | |
6128 mf_fullname(buf->b_ml.ml_mfp); | |
7 | 6129 } |
6130 status_redraw_all(); | |
672 | 6131 redraw_tabline = TRUE; |
7 | 6132 } |
6133 | |
6134 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
6135 || defined(FEAT_GUI_MSWIN) \ | |
6136 || defined(FEAT_GUI_MAC) \ | |
6137 || defined(PROTO) | |
6138 /* | |
6139 * Shorten all filenames in "fnames[count]" by current directory. | |
6140 */ | |
6141 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6142 shorten_filenames(char_u **fnames, int count) |
7 | 6143 { |
6144 int i; | |
6145 char_u dirname[MAXPATHL]; | |
6146 char_u *p; | |
6147 | |
6148 if (fnames == NULL || count < 1) | |
6149 return; | |
6150 mch_dirname(dirname, sizeof(dirname)); | |
6151 for (i = 0; i < count; ++i) | |
6152 { | |
6153 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
6154 { | |
6155 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
6156 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
6157 * "p" first then free fnames[i]. */ | |
6158 p = vim_strsave(p); | |
6159 vim_free(fnames[i]); | |
6160 fnames[i] = p; | |
6161 } | |
6162 } | |
6163 } | |
6164 #endif | |
6165 | |
6166 /* | |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
6167 * Add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
7 | 6168 * fo_o_h.ext for MSDOS or when shortname option set. |
6169 * | |
6170 * Assumed that fname is a valid name found in the filesystem we assure that | |
6171 * the return value is a different name and ends in 'ext'. | |
6172 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
6173 * characters otherwise. | |
6174 * Space for the returned name is allocated, must be freed later. | |
6175 * Returns NULL when out of memory. | |
6176 */ | |
6177 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6178 modname( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6179 char_u *fname, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6180 char_u *ext, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6181 int prepend_dot) /* may prepend a '.' to file name */ |
7 | 6182 { |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
6183 return buf_modname((curbuf->b_p_sn || curbuf->b_shortname), |
7 | 6184 fname, ext, prepend_dot); |
6185 } | |
6186 | |
6187 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6188 buf_modname( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6189 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
|
6190 char_u *fname, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6191 char_u *ext, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6192 int prepend_dot) /* may prepend a '.' to file name */ |
7 | 6193 { |
6194 char_u *retval; | |
6195 char_u *s; | |
6196 char_u *e; | |
6197 char_u *ptr; | |
6198 int fnamelen, extlen; | |
6199 | |
6200 extlen = (int)STRLEN(ext); | |
6201 | |
6202 /* | |
6203 * If there is no file name we must get the name of the current directory | |
6204 * (we need the full path in case :cd is used). | |
6205 */ | |
6206 if (fname == NULL || *fname == NUL) | |
6207 { | |
6208 retval = alloc((unsigned)(MAXPATHL + extlen + 3)); | |
6209 if (retval == NULL) | |
6210 return NULL; | |
6211 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
6212 (fnamelen = (int)STRLEN(retval)) == 0) | |
6213 { | |
6214 vim_free(retval); | |
6215 return NULL; | |
6216 } | |
39 | 6217 if (!after_pathsep(retval, retval + fnamelen)) |
7 | 6218 { |
6219 retval[fnamelen++] = PATHSEP; | |
6220 retval[fnamelen] = NUL; | |
6221 } | |
6222 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
6223 } | |
6224 else | |
6225 { | |
6226 fnamelen = (int)STRLEN(fname); | |
6227 retval = alloc((unsigned)(fnamelen + extlen + 3)); | |
6228 if (retval == NULL) | |
6229 return NULL; | |
6230 STRCPY(retval, fname); | |
6231 #ifdef VMS | |
6232 vms_remove_version(retval); /* we do not need versions here */ | |
6233 #endif | |
6234 } | |
6235 | |
6236 /* | |
6237 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
6238 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
6239 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
6240 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
6241 */ | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
6242 for (ptr = retval + fnamelen; ptr > retval; MB_PTR_BACK(retval, ptr)) |
7 | 6243 { |
15794
0d8291665b59
patch 8.1.0904: USE_LONG_FNAME never defined
Bram Moolenaar <Bram@vim.org>
parents:
15776
diff
changeset
|
6244 if (*ext == '.' && shortname) |
7 | 6245 if (*ptr == '.') /* replace '.' by '_' */ |
6246 *ptr = '_'; | |
6247 if (vim_ispathsep(*ptr)) | |
391 | 6248 { |
6249 ++ptr; | |
7 | 6250 break; |
391 | 6251 } |
6252 } | |
7 | 6253 |
6254 /* the file name has at most BASENAMELEN characters. */ | |
6255 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
6256 ptr[BASENAMELEN] = '\0'; | |
6257 | |
6258 s = ptr + STRLEN(ptr); | |
6259 | |
6260 /* | |
6261 * For 8.3 file names we may have to reduce the length. | |
6262 */ | |
6263 if (shortname) | |
6264 { | |
6265 /* | |
6266 * If there is no file name, or the file name ends in '/', and the | |
6267 * extension starts with '.', put a '_' before the dot, because just | |
6268 * ".ext" is invalid. | |
6269 */ | |
6270 if (fname == NULL || *fname == NUL | |
6271 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
6272 { | |
6273 if (*ext == '.') | |
6274 *s++ = '_'; | |
6275 } | |
6276 /* | |
6277 * If the extension starts with '.', truncate the base name at 8 | |
6278 * characters | |
6279 */ | |
6280 else if (*ext == '.') | |
6281 { | |
1877 | 6282 if ((size_t)(s - ptr) > (size_t)8) |
7 | 6283 { |
6284 s = ptr + 8; | |
6285 *s = '\0'; | |
6286 } | |
6287 } | |
6288 /* | |
6289 * If the extension doesn't start with '.', and the file name | |
6290 * doesn't have an extension yet, append a '.' | |
6291 */ | |
6292 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
6293 *s++ = '.'; | |
6294 /* | |
6295 * If the extension doesn't start with '.', and there already is an | |
1201 | 6296 * extension, it may need to be truncated |
7 | 6297 */ |
6298 else if ((int)STRLEN(e) + extlen > 4) | |
6299 s = e + 4 - extlen; | |
6300 } | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
6301 #ifdef MSWIN |
7 | 6302 /* |
6303 * If there is no file name, and the extension starts with '.', put a | |
6304 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
6305 * FAT partition, and on HPFS it doesn't matter. | |
6306 */ | |
6307 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
6308 *s++ = '_'; | |
6309 #endif | |
6310 | |
6311 /* | |
1651 | 6312 * Append the extension. |
7 | 6313 * ext can start with '.' and cannot exceed 3 more characters. |
6314 */ | |
6315 STRCPY(s, ext); | |
6316 | |
6317 /* | |
6318 * Prepend the dot. | |
6319 */ | |
15794
0d8291665b59
patch 8.1.0904: USE_LONG_FNAME never defined
Bram Moolenaar <Bram@vim.org>
parents:
15776
diff
changeset
|
6320 if (prepend_dot && !shortname && *(e = gettail(retval)) != '.') |
7 | 6321 { |
1620 | 6322 STRMOVE(e + 1, e); |
7 | 6323 *e = '.'; |
6324 } | |
6325 | |
6326 /* | |
6327 * Check that, after appending the extension, the file name is really | |
6328 * different. | |
6329 */ | |
6330 if (fname != NULL && STRCMP(fname, retval) == 0) | |
6331 { | |
6332 /* we search for a character that can be replaced by '_' */ | |
6333 while (--s >= ptr) | |
6334 { | |
6335 if (*s != '_') | |
6336 { | |
6337 *s = '_'; | |
6338 break; | |
6339 } | |
6340 } | |
6341 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
6342 *ptr = 'v'; | |
6343 } | |
6344 return retval; | |
6345 } | |
6346 | |
6347 /* | |
6348 * Like fgets(), but if the file line is too long, it is truncated and the | |
6349 * rest of the line is thrown away. Returns TRUE for end-of-file. | |
13037
6e81a68d63a1
patch 8.0.1394: cannot intercept a yank command
Christian Brabandt <cb@256bit.org>
parents:
12863
diff
changeset
|
6350 * If the line is truncated then buf[size - 2] will not be NUL. |
7 | 6351 */ |
6352 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6353 vim_fgets(char_u *buf, int size, FILE *fp) |
7 | 6354 { |
6355 char *eof; | |
6356 #define FGETS_SIZE 200 | |
6357 char tbuf[FGETS_SIZE]; | |
6358 | |
6359 buf[size - 2] = NUL; | |
6360 eof = fgets((char *)buf, size, fp); | |
6361 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
6362 { | |
6363 buf[size - 1] = NUL; /* Truncate the line */ | |
6364 | |
6365 /* Now throw away the rest of the line: */ | |
6366 do | |
6367 { | |
6368 tbuf[FGETS_SIZE - 2] = NUL; | |
14730
193471015e1a
patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions
Christian Brabandt <cb@256bit.org>
parents:
14700
diff
changeset
|
6369 vim_ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
7 | 6370 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); |
6371 } | |
6372 return (eof == NULL); | |
6373 } | |
6374 | |
6375 /* | |
6376 * rename() only works if both files are on the same file system, this | |
6377 * function will (attempts to?) copy the file across if rename fails -- webb | |
6378 * Return -1 for failure, 0 for success. | |
6379 */ | |
6380 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6381 vim_rename(char_u *from, char_u *to) |
7 | 6382 { |
6383 int fd_in; | |
6384 int fd_out; | |
6385 int n; | |
6386 char *errmsg = NULL; | |
6387 char *buffer; | |
6388 #ifdef AMIGA | |
6389 BPTR flock; | |
6390 #endif | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6391 stat_T st; |
194 | 6392 long perm; |
199 | 6393 #ifdef HAVE_ACL |
6394 vim_acl_T acl; /* ACL from original file */ | |
6395 #endif | |
1779 | 6396 int use_tmp_file = FALSE; |
7 | 6397 |
6398 /* | |
1779 | 6399 * When the names are identical, there is nothing to do. When they refer |
6400 * to the same file (ignoring case and slash/backslash differences) but | |
6401 * the file name differs we need to go through a temp file. | |
7 | 6402 */ |
6403 if (fnamecmp(from, to) == 0) | |
1779 | 6404 { |
4242 | 6405 if (p_fic && STRCMP(gettail(from), gettail(to)) != 0) |
1779 | 6406 use_tmp_file = TRUE; |
6407 else | |
6408 return 0; | |
6409 } | |
7 | 6410 |
6411 /* | |
6412 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
6413 */ | |
6414 if (mch_stat((char *)from, &st) < 0) | |
6415 return -1; | |
6416 | |
1778 | 6417 #ifdef UNIX |
6418 { | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6419 stat_T st_to; |
1778 | 6420 |
6421 /* It's possible for the source and destination to be the same file. | |
6422 * This happens when "from" and "to" differ in case and are on a FAT32 | |
6423 * filesystem. In that case go through a temp file name. */ | |
6424 if (mch_stat((char *)to, &st_to) >= 0 | |
6425 && st.st_dev == st_to.st_dev | |
6426 && st.st_ino == st_to.st_ino) | |
1779 | 6427 use_tmp_file = TRUE; |
6428 } | |
6429 #endif | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
6430 #ifdef MSWIN |
2793 | 6431 { |
6432 BY_HANDLE_FILE_INFORMATION info1, info2; | |
6433 | |
6434 /* It's possible for the source and destination to be the same file. | |
6435 * In that case go through a temp file name. This makes rename("foo", | |
6436 * "./foo") a no-op (in a complicated way). */ | |
6437 if (win32_fileinfo(from, &info1) == FILEINFO_OK | |
6438 && win32_fileinfo(to, &info2) == FILEINFO_OK | |
6439 && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber | |
6440 && info1.nFileIndexHigh == info2.nFileIndexHigh | |
6441 && info1.nFileIndexLow == info2.nFileIndexLow) | |
6442 use_tmp_file = TRUE; | |
6443 } | |
6444 #endif | |
1779 | 6445 |
6446 if (use_tmp_file) | |
6447 { | |
6448 char tempname[MAXPATHL + 1]; | |
6449 | |
6450 /* | |
6451 * Find a name that doesn't exist and is in the same directory. | |
6452 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
6453 */ | |
6454 if (STRLEN(from) >= MAXPATHL - 5) | |
6455 return -1; | |
6456 STRCPY(tempname, from); | |
6457 for (n = 123; n < 99999; ++n) | |
6458 { | |
6459 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
6460 if (mch_stat(tempname, &st) < 0) | |
6461 { | |
6462 if (mch_rename((char *)from, tempname) == 0) | |
1778 | 6463 { |
1779 | 6464 if (mch_rename(tempname, (char *)to) == 0) |
6465 return 0; | |
6466 /* Strange, the second step failed. Try moving the | |
6467 * file back and return failure. */ | |
6468 mch_rename(tempname, (char *)from); | |
1778 | 6469 return -1; |
6470 } | |
1779 | 6471 /* If it fails for one temp name it will most likely fail |
6472 * for any temp name, give up. */ | |
6473 return -1; | |
6474 } | |
6475 } | |
6476 return -1; | |
1778 | 6477 } |
6478 | |
7 | 6479 /* |
6480 * Delete the "to" file, this is required on some systems to make the | |
6481 * mch_rename() work, on other systems it makes sure that we don't have | |
6482 * two files when the mch_rename() fails. | |
6483 */ | |
6484 | |
6485 #ifdef AMIGA | |
6486 /* | |
6487 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
6488 * that the name of the "to" file is the same as the "from" file, even | |
1201 | 6489 * though the names are different. To avoid the chance of accidentally |
7 | 6490 * deleting the "from" file (horror!) we lock it during the remove. |
6491 * | |
6492 * When used for making a backup before writing the file: This should not | |
6493 * happen with ":w", because startscript() should detect this problem and | |
6494 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
6495 * name. This problem does exist with ":w filename", but then the | |
6496 * original file will be somewhere else so the backup isn't really | |
6497 * important. If autoscripting is off the rename may fail. | |
6498 */ | |
6499 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
6500 #endif | |
6501 mch_remove(to); | |
6502 #ifdef AMIGA | |
6503 if (flock) | |
6504 UnLock(flock); | |
6505 #endif | |
6506 | |
6507 /* | |
6508 * First try a normal rename, return if it works. | |
6509 */ | |
6510 if (mch_rename((char *)from, (char *)to) == 0) | |
6511 return 0; | |
6512 | |
6513 /* | |
6514 * Rename() failed, try copying the file. | |
6515 */ | |
194 | 6516 perm = mch_getperm(from); |
199 | 6517 #ifdef HAVE_ACL |
6518 /* For systems that support ACL: get the ACL from the original file. */ | |
6519 acl = mch_get_acl(from); | |
6520 #endif | |
7 | 6521 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
6522 if (fd_in == -1) | |
1651 | 6523 { |
6524 #ifdef HAVE_ACL | |
6525 mch_free_acl(acl); | |
6526 #endif | |
7 | 6527 return -1; |
1651 | 6528 } |
194 | 6529 |
6530 /* Create the new file with same permissions as the original. */ | |
557 | 6531 fd_out = mch_open((char *)to, |
6532 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
7 | 6533 if (fd_out == -1) |
6534 { | |
6535 close(fd_in); | |
1651 | 6536 #ifdef HAVE_ACL |
6537 mch_free_acl(acl); | |
6538 #endif | |
7 | 6539 return -1; |
6540 } | |
6541 | |
6542 buffer = (char *)alloc(BUFSIZE); | |
6543 if (buffer == NULL) | |
6544 { | |
1651 | 6545 close(fd_out); |
7 | 6546 close(fd_in); |
1651 | 6547 #ifdef HAVE_ACL |
6548 mch_free_acl(acl); | |
6549 #endif | |
7 | 6550 return -1; |
6551 } | |
6552 | |
2664 | 6553 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
6554 if (write_eintr(fd_out, buffer, n) != n) | |
7 | 6555 { |
6556 errmsg = _("E208: Error writing to \"%s\""); | |
6557 break; | |
6558 } | |
6559 | |
6560 vim_free(buffer); | |
6561 close(fd_in); | |
6562 if (close(fd_out) < 0) | |
6563 errmsg = _("E209: Error closing \"%s\""); | |
6564 if (n < 0) | |
6565 { | |
6566 errmsg = _("E210: Error reading \"%s\""); | |
6567 to = from; | |
6568 } | |
1201 | 6569 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
194 | 6570 mch_setperm(to, perm); |
570 | 6571 #endif |
199 | 6572 #ifdef HAVE_ACL |
6573 mch_set_acl(to, acl); | |
1651 | 6574 mch_free_acl(acl); |
199 | 6575 #endif |
5788 | 6576 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
5483 | 6577 mch_copy_sec(from, to); |
5479 | 6578 #endif |
7 | 6579 if (errmsg != NULL) |
6580 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6581 semsg(errmsg, to); |
7 | 6582 return -1; |
6583 } | |
6584 mch_remove(from); | |
6585 return 0; | |
6586 } | |
6587 | |
6588 static int already_warned = FALSE; | |
6589 | |
6590 /* | |
6591 * Check if any not hidden buffer has been changed. | |
6592 * Postpone the check if there are characters in the stuff buffer, a global | |
6593 * command is being executed, a mapping is being executed or an autocommand is | |
6594 * busy. | |
6595 * Returns TRUE if some message was written (screen should be redrawn and | |
6596 * cursor positioned). | |
6597 */ | |
6598 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6599 check_timestamps( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6600 int focus) /* called for GUI focus event */ |
7 | 6601 { |
6602 buf_T *buf; | |
6603 int didit = 0; | |
6604 int n; | |
6605 | |
6606 /* Don't check timestamps while system() or another low-level function may | |
6607 * cause us to lose and gain focus. */ | |
6608 if (no_check_timestamps > 0) | |
6609 return FALSE; | |
6610 | |
6611 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
6612 * event and we would keep on checking if the file is steadily growing. | |
6613 * Do check again after typing something. */ | |
6614 if (focus && did_check_timestamps) | |
6615 { | |
6616 need_check_timestamps = TRUE; | |
6617 return FALSE; | |
6618 } | |
6619 | |
6620 if (!stuff_empty() || global_busy || !typebuf_typed() | |
13380
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patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6621 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0) |
7 | 6622 need_check_timestamps = TRUE; /* check later */ |
6623 else | |
6624 { | |
6625 ++no_wait_return; | |
6626 did_check_timestamps = TRUE; | |
6627 already_warned = FALSE; | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9599
diff
changeset
|
6628 FOR_ALL_BUFFERS(buf) |
7 | 6629 { |
6630 /* Only check buffers in a window. */ | |
6631 if (buf->b_nwindows > 0) | |
6632 { | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6633 bufref_T bufref; |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6634 |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6635 set_bufref(&bufref, buf); |
7 | 6636 n = buf_check_timestamp(buf, focus); |
6637 if (didit < n) | |
6638 didit = n; | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6639 if (n > 0 && !bufref_valid(&bufref)) |
7 | 6640 { |
6641 /* Autocommands have removed the buffer, start at the | |
6642 * first one again. */ | |
6643 buf = firstbuf; | |
6644 continue; | |
6645 } | |
6646 } | |
6647 } | |
6648 --no_wait_return; | |
6649 need_check_timestamps = FALSE; | |
6650 if (need_wait_return && didit == 2) | |
6651 { | |
6652 /* make sure msg isn't overwritten */ | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
6653 msg_puts("\n"); |
7 | 6654 out_flush(); |
6655 } | |
6656 } | |
6657 return didit; | |
6658 } | |
6659 | |
6660 /* | |
6661 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
6662 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
6663 * empty. | |
6664 */ | |
6665 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6666 move_lines(buf_T *frombuf, buf_T *tobuf) |
7 | 6667 { |
6668 buf_T *tbuf = curbuf; | |
6669 int retval = OK; | |
6670 linenr_T lnum; | |
6671 char_u *p; | |
6672 | |
6673 /* Copy the lines in "frombuf" to "tobuf". */ | |
6674 curbuf = tobuf; | |
6675 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
6676 { | |
6677 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
6678 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
6679 { | |
6680 vim_free(p); | |
6681 retval = FAIL; | |
6682 break; | |
6683 } | |
6684 vim_free(p); | |
6685 } | |
6686 | |
6687 /* Delete all the lines in "frombuf". */ | |
6688 if (retval != FAIL) | |
6689 { | |
6690 curbuf = frombuf; | |
1055 | 6691 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
6692 if (ml_delete(lnum, FALSE) == FAIL) | |
7 | 6693 { |
6694 /* Oops! We could try putting back the saved lines, but that | |
6695 * might fail again... */ | |
6696 retval = FAIL; | |
6697 break; | |
6698 } | |
6699 } | |
6700 | |
6701 curbuf = tbuf; | |
6702 return retval; | |
6703 } | |
6704 | |
6705 /* | |
6706 * Check if buffer "buf" has been changed. | |
6707 * Also check if the file for a new buffer unexpectedly appeared. | |
6708 * return 1 if a changed buffer was found. | |
6709 * return 2 if a message has been displayed. | |
6710 * return 0 otherwise. | |
6711 */ | |
6712 int | |
7819
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6713 buf_check_timestamp( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6714 buf_T *buf, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6715 int focus UNUSED) /* called for GUI focus event */ |
7 | 6716 { |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6717 stat_T st; |
7 | 6718 int stat_res; |
6719 int retval = 0; | |
6720 char_u *path; | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6721 char *tbuf; |
7 | 6722 char *mesg = NULL; |
188 | 6723 char *mesg2 = ""; |
7 | 6724 int helpmesg = FALSE; |
6725 int reload = FALSE; | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6726 char *reason; |
7 | 6727 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
6728 int can_reload = FALSE; | |
6729 #endif | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6730 off_T orig_size = buf->b_orig_size; |
7 | 6731 int orig_mode = buf->b_orig_mode; |
6732 #ifdef FEAT_GUI | |
6733 int save_mouse_correct = need_mouse_correct; | |
6734 #endif | |
6735 static int busy = FALSE; | |
179 | 6736 int n; |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6737 #ifdef FEAT_EVAL |
179 | 6738 char_u *s; |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6739 #endif |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6740 bufref_T bufref; |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6741 |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6742 set_bufref(&bufref, buf); |
7 | 6743 |
6744 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
6745 * set, we are in the middle of a save or being called recursively: ignore | |
6746 * this buffer. */ | |
6747 if (buf->b_ffname == NULL | |
6748 || buf->b_ml.ml_mfp == NULL | |
14433
4a94173743d9
patch 8.1.0230: directly checking 'buftype' value
Christian Brabandt <cb@256bit.org>
parents:
14290
diff
changeset
|
6749 || !bt_normal(buf) |
7 | 6750 || buf->b_saving |
6751 || busy | |
33 | 6752 #ifdef FEAT_NETBEANS_INTG |
6753 || isNetbeansBuffer(buf) | |
6754 #endif | |
12064
407a475c67fd
patch 8.0.0912: cannot run a job in a hidden terminal
Christian Brabandt <cb@256bit.org>
parents:
11757
diff
changeset
|
6755 #ifdef FEAT_TERMINAL |
407a475c67fd
patch 8.0.0912: cannot run a job in a hidden terminal
Christian Brabandt <cb@256bit.org>
parents:
11757
diff
changeset
|
6756 || buf->b_term != NULL |
407a475c67fd
patch 8.0.0912: cannot run a job in a hidden terminal
Christian Brabandt <cb@256bit.org>
parents:
11757
diff
changeset
|
6757 #endif |
7 | 6758 ) |
6759 return 0; | |
6760 | |
6761 if ( !(buf->b_flags & BF_NOTEDITED) | |
6762 && buf->b_mtime != 0 | |
6763 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
6764 || time_differs((long)st.st_mtime, buf->b_mtime) | |
5863 | 6765 || st.st_size != buf->b_orig_size |
7 | 6766 #ifdef HAVE_ST_MODE |
6767 || (int)st.st_mode != buf->b_orig_mode | |
6768 #else | |
6769 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
6770 #endif | |
6771 )) | |
6772 { | |
6773 retval = 1; | |
6774 | |
14290
977cab3d5474
patch 8.1.0161: buffer not updated with 'autoread' set if file was deleted
Christian Brabandt <cb@256bit.org>
parents:
14157
diff
changeset
|
6775 // set b_mtime to stop further warnings (e.g., when executing |
977cab3d5474
patch 8.1.0161: buffer not updated with 'autoread' set if file was deleted
Christian Brabandt <cb@256bit.org>
parents:
14157
diff
changeset
|
6776 // FileChangedShell autocmd) |
7 | 6777 if (stat_res < 0) |
6778 { | |
14290
977cab3d5474
patch 8.1.0161: buffer not updated with 'autoread' set if file was deleted
Christian Brabandt <cb@256bit.org>
parents:
14157
diff
changeset
|
6779 // When 'autoread' is set we'll check the file again to see if it |
977cab3d5474
patch 8.1.0161: buffer not updated with 'autoread' set if file was deleted
Christian Brabandt <cb@256bit.org>
parents:
14157
diff
changeset
|
6780 // re-appears. |
977cab3d5474
patch 8.1.0161: buffer not updated with 'autoread' set if file was deleted
Christian Brabandt <cb@256bit.org>
parents:
14157
diff
changeset
|
6781 buf->b_mtime = buf->b_p_ar; |
7 | 6782 buf->b_orig_size = 0; |
6783 buf->b_orig_mode = 0; | |
6784 } | |
6785 else | |
6786 buf_store_time(buf, &st, buf->b_ffname); | |
6787 | |
6788 /* Don't do anything for a directory. Might contain the file | |
6789 * explorer. */ | |
6790 if (mch_isdir(buf->b_fname)) | |
6791 ; | |
6792 | |
6793 /* | |
6794 * If 'autoread' is set, the buffer has no changes and the file still | |
6795 * exists, reload the buffer. Use the buffer-local option value if it | |
6796 * was set, the global option value otherwise. | |
6797 */ | |
6798 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
6799 && !bufIsChanged(buf) && stat_res >= 0) | |
6800 reload = TRUE; | |
6801 else | |
6802 { | |
179 | 6803 if (stat_res < 0) |
6804 reason = "deleted"; | |
6805 else if (bufIsChanged(buf)) | |
6806 reason = "conflict"; | |
15634
746b95fd25ad
patch 8.1.0825: code for autocommands is mixed with file I/O code
Bram Moolenaar <Bram@vim.org>
parents:
15607
diff
changeset
|
6807 /* |
746b95fd25ad
patch 8.1.0825: code for autocommands is mixed with file I/O code
Bram Moolenaar <Bram@vim.org>
parents:
15607
diff
changeset
|
6808 * Check if the file contents really changed to avoid giving a |
746b95fd25ad
patch 8.1.0825: code for autocommands is mixed with file I/O code
Bram Moolenaar <Bram@vim.org>
parents:
15607
diff
changeset
|
6809 * warning when only the timestamp was set (e.g., checked out of |
746b95fd25ad
patch 8.1.0825: code for autocommands is mixed with file I/O code
Bram Moolenaar <Bram@vim.org>
parents:
15607
diff
changeset
|
6810 * CVS). Always warn when the buffer was changed. |
746b95fd25ad
patch 8.1.0825: code for autocommands is mixed with file I/O code
Bram Moolenaar <Bram@vim.org>
parents:
15607
diff
changeset
|
6811 */ |
179 | 6812 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) |
6813 reason = "changed"; | |
6814 else if (orig_mode != buf->b_orig_mode) | |
6815 reason = "mode"; | |
6816 else | |
6817 reason = "time"; | |
6818 | |
7 | 6819 /* |
6820 * Only give the warning if there are no FileChangedShell | |
6821 * autocommands. | |
6822 * Avoid being called recursively by setting "busy". | |
6823 */ | |
6824 busy = TRUE; | |
13380
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patch 8.0.1564: too many #ifdefs
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parents:
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diff
changeset
|
6825 #ifdef FEAT_EVAL |
179 | 6826 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
6827 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
13380
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parents:
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diff
changeset
|
6828 #endif |
1834 | 6829 ++allbuf_lock; |
7 | 6830 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
6831 buf->b_fname, buf->b_fname, FALSE, buf); | |
1834 | 6832 --allbuf_lock; |
7 | 6833 busy = FALSE; |
6834 if (n) | |
6835 { | |
9487
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commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6836 if (!bufref_valid(&bufref)) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
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parents:
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diff
changeset
|
6837 emsg(_("E246: FileChangedShell autocommand deleted buffer")); |
13380
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patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6838 #ifdef FEAT_EVAL |
179 | 6839 s = get_vim_var_str(VV_FCS_CHOICE); |
6840 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
6841 reload = TRUE; | |
6842 else if (STRCMP(s, "ask") == 0) | |
6843 n = FALSE; | |
6844 else | |
13380
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13244
diff
changeset
|
6845 #endif |
179 | 6846 return 2; |
7 | 6847 } |
179 | 6848 if (!n) |
7 | 6849 { |
179 | 6850 if (*reason == 'd') |
6851 mesg = _("E211: File \"%s\" no longer available"); | |
7 | 6852 else |
6853 { | |
6854 helpmesg = TRUE; | |
6855 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6856 can_reload = TRUE; | |
6857 #endif | |
179 | 6858 if (reason[2] == 'n') |
6859 { | |
7 | 6860 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
179 | 6861 mesg2 = _("See \":help W12\" for more info."); |
6862 } | |
6863 else if (reason[1] == 'h') | |
6864 { | |
7 | 6865 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
179 | 6866 mesg2 = _("See \":help W11\" for more info."); |
6867 } | |
6868 else if (*reason == 'm') | |
6869 { | |
7 | 6870 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
179 | 6871 mesg2 = _("See \":help W16\" for more info."); |
6872 } | |
1913 | 6873 else |
6874 /* Only timestamp changed, store it to avoid a warning | |
6875 * in check_mtime() later. */ | |
6876 buf->b_mtime_read = buf->b_mtime; | |
7 | 6877 } |
6878 } | |
6879 } | |
6880 | |
6881 } | |
6882 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
6883 && vim_fexists(buf->b_ffname)) | |
6884 { | |
6885 retval = 1; | |
6886 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
6887 buf->b_flags |= BF_NEW_W; | |
6888 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6889 can_reload = TRUE; | |
6890 #endif | |
6891 } | |
6892 | |
6893 if (mesg != NULL) | |
6894 { | |
6895 path = home_replace_save(buf, buf->b_fname); | |
6896 if (path != NULL) | |
6897 { | |
179 | 6898 if (!helpmesg) |
7 | 6899 mesg2 = ""; |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
6900 tbuf = (char *)alloc((unsigned)(STRLEN(path) + STRLEN(mesg) |
7 | 6901 + STRLEN(mesg2) + 2)); |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
6902 sprintf(tbuf, mesg, path); |
1848 | 6903 #ifdef FEAT_EVAL |
6904 /* Set warningmsg here, before the unimportant and output-specific | |
6905 * mesg2 has been appended. */ | |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
6906 set_vim_var_string(VV_WARNINGMSG, (char_u *)tbuf, -1); |
1848 | 6907 #endif |
7 | 6908 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
6909 if (can_reload) | |
6910 { | |
6911 if (*mesg2 != NUL) | |
6912 { | |
6913 STRCAT(tbuf, "\n"); | |
6914 STRCAT(tbuf, mesg2); | |
6915 } | |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6916 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), |
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
6917 (char_u *)tbuf, |
2684 | 6918 (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2) |
7 | 6919 reload = TRUE; |
6920 } | |
6921 else | |
6922 #endif | |
6923 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
6924 { | |
6925 if (*mesg2 != NUL) | |
6926 { | |
6927 STRCAT(tbuf, "; "); | |
6928 STRCAT(tbuf, mesg2); | |
6929 } | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6930 emsg(tbuf); |
7 | 6931 retval = 2; |
6932 } | |
6933 else | |
6934 { | |
6935 if (!autocmd_busy) | |
6936 { | |
6937 msg_start(); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
6938 msg_puts_attr(tbuf, HL_ATTR(HLF_E) + MSG_HIST); |
7 | 6939 if (*mesg2 != NUL) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
6940 msg_puts_attr(mesg2, HL_ATTR(HLF_W) + MSG_HIST); |
7 | 6941 msg_clr_eos(); |
6942 (void)msg_end(); | |
6943 if (emsg_silent == 0) | |
6944 { | |
6945 out_flush(); | |
13380
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patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6946 #ifdef FEAT_GUI |
7 | 6947 if (!focus) |
13380
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patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6948 #endif |
7 | 6949 /* give the user some time to think about it */ |
6950 ui_delay(1000L, TRUE); | |
6951 | |
6952 /* don't redraw and erase the message */ | |
6953 redraw_cmdline = FALSE; | |
6954 } | |
6955 } | |
6956 already_warned = TRUE; | |
6957 } | |
6958 | |
6959 vim_free(path); | |
6960 vim_free(tbuf); | |
6961 } | |
6962 } | |
6963 | |
6964 if (reload) | |
3776 | 6965 { |
311 | 6966 /* Reload the buffer. */ |
628 | 6967 buf_reload(buf, orig_mode); |
3776 | 6968 #ifdef FEAT_PERSISTENT_UNDO |
6969 if (buf->b_p_udf && buf->b_ffname != NULL) | |
6970 { | |
6971 char_u hash[UNDO_HASH_SIZE]; | |
6972 buf_T *save_curbuf = curbuf; | |
6973 | |
6974 /* Any existing undo file is unusable, write it now. */ | |
6975 curbuf = buf; | |
6976 u_compute_hash(hash); | |
6977 u_write_undo(NULL, FALSE, buf, hash); | |
6978 curbuf = save_curbuf; | |
6979 } | |
6980 #endif | |
6981 } | |
7 | 6982 |
1620 | 6983 /* Trigger FileChangedShell when the file was changed in any way. */ |
9487
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commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6984 if (bufref_valid(&bufref) && retval != 0) |
765 | 6985 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
6986 buf->b_fname, buf->b_fname, FALSE, buf); | |
7 | 6987 #ifdef FEAT_GUI |
6988 /* restore this in case an autocommand has set it; it would break | |
6989 * 'mousefocus' */ | |
6990 need_mouse_correct = save_mouse_correct; | |
6991 #endif | |
6992 | |
6993 return retval; | |
6994 } | |
6995 | |
311 | 6996 /* |
6997 * Reload a buffer that is already loaded. | |
6998 * Used when the file was changed outside of Vim. | |
628 | 6999 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
7000 * buf->b_orig_mode may have been reset already. | |
311 | 7001 */ |
7002 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7003 buf_reload(buf_T *buf, int orig_mode) |
311 | 7004 { |
7005 exarg_T ea; | |
7006 pos_T old_cursor; | |
7007 linenr_T old_topline; | |
7008 int old_ro = buf->b_p_ro; | |
7009 buf_T *savebuf; | |
9487
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commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
7010 bufref_T bufref; |
311 | 7011 int saved = OK; |
7012 aco_save_T aco; | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7013 int flags = READ_NEW; |
311 | 7014 |
7015 /* set curwin/curbuf for "buf" and save some things */ | |
7016 aucmd_prepbuf(&aco, buf); | |
7017 | |
7018 /* We only want to read the text from the file, not reset the syntax | |
7019 * highlighting, clear marks, diff status, etc. Force the fileformat | |
7020 * and encoding to be the same. */ | |
7021 if (prep_exarg(&ea, buf) == OK) | |
7022 { | |
7023 old_cursor = curwin->w_cursor; | |
7024 old_topline = curwin->w_topline; | |
7025 | |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7026 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
|
7027 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7028 /* 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
|
7029 * 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
|
7030 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
|
7031 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
|
7032 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
|
7033 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7034 |
311 | 7035 /* |
7036 * To behave like when a new file is edited (matters for | |
7037 * BufReadPost autocommands) we first need to delete the current | |
7038 * buffer contents. But if reading the file fails we should keep | |
7039 * the old contents. Can't use memory only, the file might be | |
7040 * too big. Use a hidden buffer to move the buffer contents to. | |
7041 */ | |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10952
diff
changeset
|
7042 if (BUFEMPTY() || saved == FAIL) |
311 | 7043 savebuf = NULL; |
7044 else | |
7045 { | |
7046 /* Allocate a buffer without putting it in the buffer list. */ | |
7047 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
7048 set_bufref(&bufref, savebuf); |
837 | 7049 if (savebuf != NULL && buf == curbuf) |
311 | 7050 { |
7051 /* Open the memline. */ | |
7052 curbuf = savebuf; | |
7053 curwin->w_buffer = savebuf; | |
625 | 7054 saved = ml_open(curbuf); |
311 | 7055 curbuf = buf; |
7056 curwin->w_buffer = buf; | |
7057 } | |
837 | 7058 if (savebuf == NULL || saved == FAIL || buf != curbuf |
311 | 7059 || move_lines(buf, savebuf) == FAIL) |
7060 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
7061 semsg(_("E462: Could not prepare for reloading \"%s\""), |
311 | 7062 buf->b_fname); |
7063 saved = FAIL; | |
7064 } | |
7065 } | |
7066 | |
7067 if (saved == OK) | |
7068 { | |
7069 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
7070 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
7071 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
7072 (linenr_T)0, | |
10575
01a5f64a7a20
patch 8.0.0177: BufEnter autocommand not fired for a directory
Christian Brabandt <cb@256bit.org>
parents:
10221
diff
changeset
|
7073 (linenr_T)MAXLNUM, &ea, flags) != OK) |
311 | 7074 { |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
7075 #if defined(FEAT_EVAL) |
311 | 7076 if (!aborting()) |
7077 #endif | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
7078 semsg(_("E321: Could not reload \"%s\""), buf->b_fname); |
9487
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Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
7079 if (savebuf != NULL && bufref_valid(&bufref) && buf == curbuf) |
311 | 7080 { |
7081 /* Put the text back from the save buffer. First | |
7082 * delete any lines that readfile() added. */ | |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10952
diff
changeset
|
7083 while (!BUFEMPTY()) |
837 | 7084 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
311 | 7085 break; |
7086 (void)move_lines(savebuf, buf); | |
7087 } | |
7088 } | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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2360
diff
changeset
|
7089 else if (buf == curbuf) /* "buf" still valid */ |
311 | 7090 { |
7091 /* Mark the buffer as unmodified and free undo info. */ | |
7092 unchanged(buf, TRUE); | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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2360
diff
changeset
|
7093 if ((flags & READ_KEEP_UNDO) == 0) |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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2360
diff
changeset
|
7094 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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2360
diff
changeset
|
7095 u_blockfree(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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2360
diff
changeset
|
7096 u_clearall(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
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parents:
2360
diff
changeset
|
7097 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
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parents:
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diff
changeset
|
7098 else |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7099 { |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
7100 /* Mark all undo states as changed. */ |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
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2360
diff
changeset
|
7101 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
|
7102 } |
311 | 7103 } |
7104 } | |
7105 vim_free(ea.cmd); | |
7106 | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
7107 if (savebuf != NULL && bufref_valid(&bufref)) |
311 | 7108 wipe_buffer(savebuf, FALSE); |
7109 | |
7110 #ifdef FEAT_DIFF | |
7111 /* Invalidate diff info if necessary. */ | |
837 | 7112 diff_invalidate(curbuf); |
311 | 7113 #endif |
7114 | |
7115 /* Restore the topline and cursor position and check it (lines may | |
7116 * have been removed). */ | |
7117 if (old_topline > curbuf->b_ml.ml_line_count) | |
7118 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
7119 else | |
7120 curwin->w_topline = old_topline; | |
7121 curwin->w_cursor = old_cursor; | |
7122 check_cursor(); | |
7123 update_topline(); | |
7124 keep_filetype = FALSE; | |
7125 #ifdef FEAT_FOLDING | |
7126 { | |
1863 | 7127 win_T *wp; |
7128 tabpage_T *tp; | |
311 | 7129 |
7130 /* Update folds unless they are defined manually. */ | |
1863 | 7131 FOR_ALL_TAB_WINDOWS(tp, wp) |
311 | 7132 if (wp->w_buffer == curwin->w_buffer |
7133 && !foldmethodIsManual(wp)) | |
7134 foldUpdateAll(wp); | |
7135 } | |
7136 #endif | |
7137 /* If the mode didn't change and 'readonly' was set, keep the old | |
7138 * value; the user probably used the ":view" command. But don't | |
7139 * reset it, might have had a read error. */ | |
7140 if (orig_mode == curbuf->b_orig_mode) | |
7141 curbuf->b_p_ro |= old_ro; | |
4071 | 7142 |
7143 /* Modelines must override settings done by autocommands. */ | |
7144 do_modelines(0); | |
311 | 7145 } |
7146 | |
7147 /* restore curwin/curbuf and a few other things */ | |
7148 aucmd_restbuf(&aco); | |
7149 /* Careful: autocommands may have made "buf" invalid! */ | |
7150 } | |
7151 | |
7 | 7152 void |
9387
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parents:
9291
diff
changeset
|
7153 buf_store_time(buf_T *buf, stat_T *st, char_u *fname UNUSED) |
7 | 7154 { |
7155 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
|
7156 buf->b_orig_size = st->st_size; |
7 | 7157 #ifdef HAVE_ST_MODE |
7158 buf->b_orig_mode = (int)st->st_mode; | |
7159 #else | |
7160 buf->b_orig_mode = mch_getperm(fname); | |
7161 #endif | |
7162 } | |
7163 | |
7164 /* | |
7165 * Adjust the line with missing eol, used for the next write. | |
7166 * Used for do_filter(), when the input lines for the filter are deleted. | |
7167 */ | |
7168 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7169 write_lnum_adjust(linenr_T offset) |
7 | 7170 { |
2707 | 7171 if (curbuf->b_no_eol_lnum != 0) /* only if there is a missing eol */ |
7172 curbuf->b_no_eol_lnum += offset; | |
7 | 7173 } |
7174 | |
7615
228ff048db20
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parents:
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diff
changeset
|
7175 #if defined(TEMPDIRNAMES) || defined(FEAT_EVAL) || defined(PROTO) |
228ff048db20
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diff
changeset
|
7176 /* |
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diff
changeset
|
7177 * Delete "name" and everything in it, recursively. |
228ff048db20
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diff
changeset
|
7178 * return 0 for succes, -1 if some file was not deleted. |
228ff048db20
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diff
changeset
|
7179 */ |
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diff
changeset
|
7180 int |
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diff
changeset
|
7181 delete_recursive(char_u *name) |
228ff048db20
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diff
changeset
|
7182 { |
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diff
changeset
|
7183 int result = 0; |
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diff
changeset
|
7184 char_u **files; |
228ff048db20
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diff
changeset
|
7185 int file_count; |
228ff048db20
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diff
changeset
|
7186 int i; |
228ff048db20
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diff
changeset
|
7187 char_u *exp; |
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diff
changeset
|
7188 |
7629
befbed72da87
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parents:
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diff
changeset
|
7189 /* A symbolic link to a directory itself is deleted, not the directory it |
befbed72da87
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parents:
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diff
changeset
|
7190 * points to. */ |
befbed72da87
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Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7191 if ( |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
7192 # if defined(UNIX) || defined(MSWIN) |
7657
9c5e8254ea6b
commit https://github.com/vim/vim/commit/203258c3ad2966cc9d08b3805b103333988b30b7
Christian Brabandt <cb@256bit.org>
parents:
7641
diff
changeset
|
7193 mch_isrealdir(name) |
7629
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
7194 # else |
befbed72da87
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Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7195 mch_isdir(name) |
befbed72da87
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diff
changeset
|
7196 # endif |
befbed72da87
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
7197 ) |
7615
228ff048db20
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diff
changeset
|
7198 { |
228ff048db20
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diff
changeset
|
7199 vim_snprintf((char *)NameBuff, MAXPATHL, "%s/*", name); |
228ff048db20
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parents:
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diff
changeset
|
7200 exp = vim_strsave(NameBuff); |
228ff048db20
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7201 if (exp == NULL) |
228ff048db20
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parents:
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diff
changeset
|
7202 return -1; |
228ff048db20
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Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7203 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
|
7204 EW_DIR|EW_FILE|EW_SILENT|EW_ALLLINKS|EW_DODOT|EW_EMPTYOK) == OK) |
7615
228ff048db20
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
7205 { |
228ff048db20
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parents:
7410
diff
changeset
|
7206 for (i = 0; i < file_count; ++i) |
228ff048db20
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parents:
7410
diff
changeset
|
7207 if (delete_recursive(files[i]) != 0) |
228ff048db20
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parents:
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diff
changeset
|
7208 result = -1; |
228ff048db20
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7209 FreeWild(file_count, files); |
228ff048db20
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diff
changeset
|
7210 } |
228ff048db20
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diff
changeset
|
7211 else |
228ff048db20
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parents:
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diff
changeset
|
7212 result = -1; |
228ff048db20
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parents:
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diff
changeset
|
7213 vim_free(exp); |
228ff048db20
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parents:
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diff
changeset
|
7214 (void)mch_rmdir(name); |
228ff048db20
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diff
changeset
|
7215 } |
228ff048db20
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diff
changeset
|
7216 else |
228ff048db20
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parents:
7410
diff
changeset
|
7217 result = mch_remove(name) == 0 ? 0 : -1; |
228ff048db20
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parents:
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diff
changeset
|
7218 |
228ff048db20
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parents:
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diff
changeset
|
7219 return result; |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
7220 } |
228ff048db20
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parents:
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diff
changeset
|
7221 #endif |
228ff048db20
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
7222 |
7 | 7223 #if defined(TEMPDIRNAMES) || defined(PROTO) |
7224 static long temp_count = 0; /* Temp filename counter. */ | |
7225 | |
7226 /* | |
7227 * Delete the temp directory and all files it contains. | |
7228 */ | |
7229 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7230 vim_deltempdir(void) |
7 | 7231 { |
7232 if (vim_tempdir != NULL) | |
7233 { | |
7615
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diff
changeset
|
7234 /* remove the trailing path separator */ |
228ff048db20
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7410
diff
changeset
|
7235 gettail(vim_tempdir)[-1] = NUL; |
228ff048db20
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parents:
7410
diff
changeset
|
7236 delete_recursive(vim_tempdir); |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
7237 VIM_CLEAR(vim_tempdir); |
7 | 7238 } |
7239 } | |
7615
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diff
changeset
|
7240 |
7 | 7241 /* |
1997 | 7242 * Directory "tempdir" was created. Expand this name to a full path and put |
7243 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
7244 * "tempdir" must be no longer than MAXPATHL. | |
7245 */ | |
7246 static void | |
7819
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parents:
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diff
changeset
|
7247 vim_settempdir(char_u *tempdir) |
1997 | 7248 { |
7249 char_u *buf; | |
7250 | |
7251 buf = alloc((unsigned)MAXPATHL + 2); | |
7252 if (buf != NULL) | |
7253 { | |
7254 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
7255 STRCPY(buf, tempdir); | |
9536
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commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
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parents:
9509
diff
changeset
|
7256 add_pathsep(buf); |
1997 | 7257 vim_tempdir = vim_strsave(buf); |
7258 vim_free(buf); | |
7259 } | |
7260 } | |
2006 | 7261 #endif |
1997 | 7262 |
7263 /* | |
7 | 7264 * vim_tempname(): Return a unique name that can be used for a temp file. |
7265 * | |
9291
bff3cd5cf922
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parents:
9260
diff
changeset
|
7266 * The temp file is NOT guaranteed to be created. If "keep" is FALSE it is |
bff3cd5cf922
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parents:
9260
diff
changeset
|
7267 * guaranteed to NOT be created. |
7 | 7268 * |
7269 * The returned pointer is to allocated memory. | |
7270 * The returned pointer is NULL if no valid name was found. | |
7271 */ | |
7272 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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diff
changeset
|
7273 vim_tempname( |
f86adafb28d4
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diff
changeset
|
7274 int extra_char UNUSED, /* char to use in the name instead of '?' */ |
f86adafb28d4
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7801
diff
changeset
|
7275 int keep UNUSED) |
7 | 7276 { |
7277 #ifdef USE_TMPNAM | |
7278 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
15868
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changeset
|
7279 #elif defined(MSWIN) |
15776
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
parents:
15750
diff
changeset
|
7280 WCHAR itmp[TEMPNAMELEN]; |
7 | 7281 #else |
7282 char_u itmp[TEMPNAMELEN]; | |
7283 #endif | |
7284 | |
7285 #ifdef TEMPDIRNAMES | |
7286 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
7287 int i; | |
7288 # ifndef EEXIST | |
9387
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9291
diff
changeset
|
7289 stat_T st; |
7 | 7290 # endif |
7291 | |
7292 /* | |
7293 * This will create a directory for private use by this instance of Vim. | |
7294 * This is done once, and the same directory is used for all temp files. | |
7295 * This method avoids security problems because of symlink attacks et al. | |
7296 * It's also a bit faster, because we only need to check for an existing | |
7297 * file when creating the directory and not for each temp file. | |
7298 */ | |
7299 if (vim_tempdir == NULL) | |
7300 { | |
7301 /* | |
7302 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
7303 */ | |
1877 | 7304 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
7 | 7305 { |
2047
85da03763130
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Bram Moolenaar <bram@zimbu.org>
parents:
2028
diff
changeset
|
7306 # ifndef HAVE_MKDTEMP |
1997 | 7307 size_t itmplen; |
7308 long nr; | |
7309 long off; | |
7310 # endif | |
7311 | |
7305
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parents:
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diff
changeset
|
7312 /* Expand $TMP, leave room for "/v1100000/999999999". |
372c785c04b6
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parents:
7285
diff
changeset
|
7313 * Skip the directory check if the expansion fails. */ |
7 | 7314 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); |
7305
372c785c04b6
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parents:
7285
diff
changeset
|
7315 if (itmp[0] != '$' && mch_isdir(itmp)) |
372c785c04b6
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diff
changeset
|
7316 { |
372c785c04b6
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diff
changeset
|
7317 /* directory exists */ |
9536
b2aada04d84e
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9509
diff
changeset
|
7318 add_pathsep(itmp); |
1997 | 7319 |
7320 # ifdef HAVE_MKDTEMP | |
9211
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parents:
9068
diff
changeset
|
7321 { |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7322 # if defined(UNIX) || defined(VMS) |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7323 /* Make sure the umask doesn't remove the executable bit. |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7324 * "repl" has been reported to use "177". */ |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7325 mode_t umask_save = umask(077); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7326 # endif |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7327 /* Leave room for filename */ |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7328 STRCAT(itmp, "vXXXXXX"); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
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diff
changeset
|
7329 if (mkdtemp((char *)itmp) != NULL) |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7330 vim_settempdir(itmp); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7331 # if defined(UNIX) || defined(VMS) |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
7332 (void)umask(umask_save); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
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diff
changeset
|
7333 # endif |
d2b9e454c73d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7334 } |
1997 | 7335 # else |
7 | 7336 /* Get an arbitrary number of up to 6 digits. When it's |
7337 * unlikely that it already exists it will be faster, | |
7338 * otherwise it doesn't matter. The use of mkdir() avoids any | |
7339 * security problems because of the predictable number. */ | |
7340 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
|
7341 itmplen = STRLEN(itmp); |
7 | 7342 |
7343 /* Try up to 10000 different values until we find a name that | |
7344 * doesn't exist. */ | |
7345 for (off = 0; off < 10000L; ++off) | |
7346 { | |
7347 int r; | |
1997 | 7348 # if defined(UNIX) || defined(VMS) |
7 | 7349 mode_t umask_save; |
1997 | 7350 # endif |
7351 | |
7352 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
7353 # ifndef EEXIST | |
7 | 7354 /* If mkdir() does not set errno to EEXIST, check for |
7355 * existing file here. There is a race condition then, | |
7356 * although it's fail-safe. */ | |
7357 if (mch_stat((char *)itmp, &st) >= 0) | |
7358 continue; | |
1997 | 7359 # endif |
7360 # if defined(UNIX) || defined(VMS) | |
7 | 7361 /* Make sure the umask doesn't remove the executable bit. |
7362 * "repl" has been reported to use "177". */ | |
7363 umask_save = umask(077); | |
1997 | 7364 # endif |
7 | 7365 r = vim_mkdir(itmp, 0700); |
1997 | 7366 # if defined(UNIX) || defined(VMS) |
7 | 7367 (void)umask(umask_save); |
1997 | 7368 # endif |
7 | 7369 if (r == 0) |
7370 { | |
1997 | 7371 vim_settempdir(itmp); |
7 | 7372 break; |
7373 } | |
1997 | 7374 # ifdef EEXIST |
7 | 7375 /* If the mkdir() didn't fail because the file/dir exists, |
7376 * we probably can't create any dir here, try another | |
7377 * place. */ | |
7378 if (errno != EEXIST) | |
1997 | 7379 # endif |
7 | 7380 break; |
7381 } | |
1997 | 7382 # endif /* HAVE_MKDTEMP */ |
7 | 7383 if (vim_tempdir != NULL) |
7384 break; | |
7385 } | |
7386 } | |
7387 } | |
7388 | |
7389 if (vim_tempdir != NULL) | |
7390 { | |
7391 /* There is no need to check if the file exists, because we own the | |
7392 * directory and nobody else creates a file in it. */ | |
7393 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
7394 return vim_strsave(itmp); | |
7395 } | |
7396 | |
7397 return NULL; | |
7398 | |
7399 #else /* TEMPDIRNAMES */ | |
7400 | |
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patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
7401 # ifdef MSWIN |
15776
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patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
parents:
15750
diff
changeset
|
7402 WCHAR wszTempFile[_MAX_PATH + 1]; |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
7403 WCHAR buf4[4]; |
7 | 7404 char_u *retval; |
7405 char_u *p; | |
7406 | |
15776
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
7407 wcscpy(itmp, L""); |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7408 if (GetTempPathW(_MAX_PATH, wszTempFile) == 0) |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
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diff
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|
7409 { |
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patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7410 wszTempFile[0] = L'.'; // GetTempPathW() failed, use current dir |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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parents:
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diff
changeset
|
7411 wszTempFile[1] = NUL; |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
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|
7412 } |
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patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
7413 wcscpy(buf4, L"VIM"); |
7 | 7414 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ |
15776
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diff
changeset
|
7415 if (GetTempFileNameW(wszTempFile, buf4, 0, itmp) == 0) |
7 | 7416 return NULL; |
6721 | 7417 if (!keep) |
15776
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
7418 // GetTempFileName() will create the file, we don't want that |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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parents:
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diff
changeset
|
7419 (void)DeleteFileW(itmp); |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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changeset
|
7420 |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7421 // Backslashes in a temp file name cause problems when filtering with |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
7422 // "sh". NOTE: This also checks 'shellcmdflag' to help those people who |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7423 // didn't set 'shellslash'. |
7f91de3f5e35
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diff
changeset
|
7424 retval = utf16_to_enc(itmp, NULL); |
7 | 7425 if (*p_shcf == '-' || p_ssl) |
7426 for (p = retval; *p; ++p) | |
7427 if (*p == '\\') | |
7428 *p = '/'; | |
7429 return retval; | |
7430 | |
15868
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patch 8.1.0941: macros for MS-Windows are inconsistent
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diff
changeset
|
7431 # else // MSWIN |
7 | 7432 |
7433 # ifdef USE_TMPNAM | |
2697 | 7434 char_u *p; |
7435 | |
7 | 7436 /* tmpnam() will make its own name */ |
2697 | 7437 p = tmpnam((char *)itmp); |
7438 if (p == NULL || *p == NUL) | |
7 | 7439 return NULL; |
7440 # else | |
7441 char_u *p; | |
7442 | |
7443 # ifdef VMS_TEMPNAM | |
7444 /* mktemp() is not working on VMS. It seems to be | |
7445 * a do-nothing function. Therefore we use tempnam(). | |
7446 */ | |
7447 sprintf((char *)itmp, "VIM%c", extra_char); | |
7448 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
7449 if (p != NULL) | |
7450 { | |
5704 | 7451 /* VMS will use '.LIS' if we don't explicitly specify an extension, |
7 | 7452 * and VIM will then be unable to find the file later */ |
7453 STRCPY(itmp, p); | |
7454 STRCAT(itmp, ".txt"); | |
7455 free(p); | |
7456 } | |
7457 else | |
7458 return NULL; | |
7459 # else | |
7460 STRCPY(itmp, TEMPNAME); | |
7461 if ((p = vim_strchr(itmp, '?')) != NULL) | |
7462 *p = extra_char; | |
7463 if (mktemp((char *)itmp) == NULL) | |
7464 return NULL; | |
7465 # endif | |
7466 # endif | |
7467 | |
7468 return vim_strsave(itmp); | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
7469 # endif // MSWIN |
7 | 7470 #endif /* TEMPDIRNAMES */ |
7471 } | |
7472 | |
7473 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
7474 /* | |
7170
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7475 * 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
|
7476 * it looks like a URL. |
7 | 7477 */ |
7478 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7479 forward_slash(char_u *fname) |
7 | 7480 { |
7481 char_u *p; | |
7482 | |
7170
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7483 if (path_with_url(fname)) |
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
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parents:
7005
diff
changeset
|
7484 return; |
7 | 7485 for (p = fname; *p != NUL; ++p) |
7486 /* The Big5 encoding can have '\' in the trail byte. */ | |
474 | 7487 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7488 ++p; |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
7489 else if (*p == '\\') |
7 | 7490 *p = '/'; |
7491 } | |
7492 #endif | |
7493 | |
7494 /* | |
153 | 7495 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
7496 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
7497 * vim_regcomp() often. | |
7 | 7498 * Used for autocommands and 'wildignore'. |
7499 * Returns TRUE if there is a match, FALSE otherwise. | |
7500 */ | |
15634
746b95fd25ad
patch 8.1.0825: code for autocommands is mixed with file I/O code
Bram Moolenaar <Bram@vim.org>
parents:
15607
diff
changeset
|
7501 int |
7819
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7502 match_file_pat( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
7503 char_u *pattern, /* pattern to match with */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
7504 regprog_T **prog, /* pre-compiled regprog or NULL */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7505 char_u *fname, /* full path of file name */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7506 char_u *sfname, /* short file name or NULL */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7507 char_u *tail, /* tail of path */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7508 int allow_dirs) /* allow matching with dir */ |
7 | 7509 { |
7510 regmatch_T regmatch; | |
7511 int result = FALSE; | |
7512 | |
4242 | 7513 regmatch.rm_ic = p_fic; /* ignore case if 'fileignorecase' is set */ |
6470 | 7514 if (prog != NULL) |
7515 regmatch.regprog = *prog; | |
7 | 7516 else |
6470 | 7517 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); |
7 | 7518 |
7519 /* | |
7520 * Try for a match with the pattern with: | |
7521 * 1. the full file name, when the pattern has a '/'. | |
7522 * 2. the short file name, when the pattern has a '/'. | |
7523 * 3. the tail of the file name, when the pattern has no '/'. | |
7524 */ | |
6470 | 7525 if (regmatch.regprog != NULL |
7 | 7526 && ((allow_dirs |
7527 && (vim_regexec(®match, fname, (colnr_T)0) | |
7528 || (sfname != NULL | |
7529 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
6470 | 7530 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0)))) |
7 | 7531 result = TRUE; |
7532 | |
6375 | 7533 if (prog != NULL) |
7534 *prog = regmatch.regprog; | |
7535 else | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4354
diff
changeset
|
7536 vim_regfree(regmatch.regprog); |
7 | 7537 return result; |
7538 } | |
7539 | |
7540 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
7541 /* | |
7542 * Return TRUE if a file matches with a pattern in "list". | |
7543 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
7544 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
7545 */ | |
7546 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7547 match_file_list(char_u *list, char_u *sfname, char_u *ffname) |
7 | 7548 { |
7549 char_u buf[100]; | |
7550 char_u *tail; | |
7551 char_u *regpat; | |
7552 char allow_dirs; | |
7553 int match; | |
7554 char_u *p; | |
7555 | |
7556 tail = gettail(sfname); | |
7557 | |
7558 /* try all patterns in 'wildignore' */ | |
7559 p = list; | |
7560 while (*p) | |
7561 { | |
7562 copy_option_part(&p, buf, 100, ","); | |
7563 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
7564 if (regpat == NULL) | |
7565 break; | |
153 | 7566 match = match_file_pat(regpat, NULL, ffname, sfname, |
7567 tail, (int)allow_dirs); | |
7 | 7568 vim_free(regpat); |
7569 if (match) | |
7570 return TRUE; | |
7571 } | |
7572 return FALSE; | |
7573 } | |
7574 #endif | |
7575 | |
7576 /* | |
7577 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
7578 * a regular expression, and return the result in allocated memory. If there | |
7579 * is a directory path separator to be matched, then TRUE is put in | |
7580 * allow_dirs, otherwise FALSE is put there -- webb. | |
7581 * Handle backslashes before special characters, like "\*" and "\ ". | |
7582 * | |
7583 * Returns NULL when out of memory. | |
7584 */ | |
7585 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
7586 file_pat_to_reg_pat( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7587 char_u *pat, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7588 char_u *pat_end, /* first char after pattern or NULL */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7589 char *allow_dirs, /* Result passed back out in here */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7590 int no_bslash UNUSED) /* Don't use a backward slash as pathsep */ |
7 | 7591 { |
6470 | 7592 int size = 2; /* '^' at start, '$' at end */ |
7 | 7593 char_u *endp; |
7594 char_u *reg_pat; | |
7595 char_u *p; | |
7596 int i; | |
7597 int nested = 0; | |
7598 int add_dollar = TRUE; | |
7599 | |
7600 if (allow_dirs != NULL) | |
7601 *allow_dirs = FALSE; | |
7602 if (pat_end == NULL) | |
7603 pat_end = pat + STRLEN(pat); | |
7604 | |
7605 for (p = pat; p < pat_end; p++) | |
7606 { | |
7607 switch (*p) | |
7608 { | |
7609 case '*': | |
7610 case '.': | |
7611 case ',': | |
7612 case '{': | |
7613 case '}': | |
7614 case '~': | |
7615 size += 2; /* extra backslash */ | |
7616 break; | |
7617 #ifdef BACKSLASH_IN_FILENAME | |
7618 case '\\': | |
7619 case '/': | |
7620 size += 4; /* could become "[\/]" */ | |
7621 break; | |
7622 #endif | |
7623 default: | |
7624 size++; | |
474 | 7625 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7626 { |
7627 ++p; | |
7628 ++size; | |
7629 } | |
7630 break; | |
7631 } | |
7632 } | |
7633 reg_pat = alloc(size + 1); | |
7634 if (reg_pat == NULL) | |
7635 return NULL; | |
7636 | |
7637 i = 0; | |
7638 | |
7639 if (pat[0] == '*') | |
7640 while (pat[0] == '*' && pat < pat_end - 1) | |
7641 pat++; | |
7642 else | |
7643 reg_pat[i++] = '^'; | |
7644 endp = pat_end - 1; | |
7005 | 7645 if (endp >= pat && *endp == '*') |
7 | 7646 { |
7647 while (endp - pat > 0 && *endp == '*') | |
7648 endp--; | |
7649 add_dollar = FALSE; | |
7650 } | |
7651 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
7652 { | |
7653 switch (*p) | |
7654 { | |
7655 case '*': | |
7656 reg_pat[i++] = '.'; | |
7657 reg_pat[i++] = '*'; | |
444 | 7658 while (p[1] == '*') /* "**" matches like "*" */ |
7659 ++p; | |
7 | 7660 break; |
7661 case '.': | |
7662 case '~': | |
7663 reg_pat[i++] = '\\'; | |
7664 reg_pat[i++] = *p; | |
7665 break; | |
7666 case '?': | |
7667 reg_pat[i++] = '.'; | |
7668 break; | |
7669 case '\\': | |
7670 if (p[1] == NUL) | |
7671 break; | |
7672 #ifdef BACKSLASH_IN_FILENAME | |
7673 if (!no_bslash) | |
7674 { | |
7675 /* translate: | |
7676 * "\x" to "\\x" e.g., "dir\file" | |
7677 * "\*" to "\\.*" e.g., "dir\*.c" | |
7678 * "\?" to "\\." e.g., "dir\??.c" | |
7679 * "\+" to "\+" e.g., "fileX\+.c" | |
7680 */ | |
7681 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
7682 && p[1] != '+') | |
7683 { | |
7684 reg_pat[i++] = '['; | |
7685 reg_pat[i++] = '\\'; | |
7686 reg_pat[i++] = '/'; | |
7687 reg_pat[i++] = ']'; | |
7688 if (allow_dirs != NULL) | |
7689 *allow_dirs = TRUE; | |
7690 break; | |
7691 } | |
7692 } | |
7693 #endif | |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7694 /* Undo escaping from ExpandEscape(): |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7695 * foo\?bar -> foo?bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7696 * foo\%bar -> foo%bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7697 * foo\,bar -> foo,bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7698 * foo\ bar -> foo bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7699 * Don't unescape \, * and others that are also special in a |
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
7700 * regexp. |
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
7701 * An escaped { must be unescaped since we use magic not |
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7702 * verymagic. Use "\\\{n,m\}"" to get "\{n,m}". |
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
7703 */ |
7 | 7704 if (*++p == '?' |
7705 #ifdef BACKSLASH_IN_FILENAME | |
7706 && no_bslash | |
7707 #endif | |
7708 ) | |
7709 reg_pat[i++] = '?'; | |
7710 else | |
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
7711 if (*p == ',' || *p == '%' || *p == '#' |
6999 | 7712 || vim_isspace(*p) || *p == '{' || *p == '}') |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7713 reg_pat[i++] = *p; |
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7714 else if (*p == '\\' && p[1] == '\\' && p[2] == '{') |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7715 { |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7716 reg_pat[i++] = '\\'; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7717 reg_pat[i++] = '{'; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7718 p += 2; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7719 } |
7 | 7720 else |
7721 { | |
7722 if (allow_dirs != NULL && vim_ispathsep(*p) | |
7723 #ifdef BACKSLASH_IN_FILENAME | |
7724 && (!no_bslash || *p != '\\') | |
7725 #endif | |
7726 ) | |
7727 *allow_dirs = TRUE; | |
7728 reg_pat[i++] = '\\'; | |
7729 reg_pat[i++] = *p; | |
7730 } | |
7731 break; | |
7732 #ifdef BACKSLASH_IN_FILENAME | |
7733 case '/': | |
7734 reg_pat[i++] = '['; | |
7735 reg_pat[i++] = '\\'; | |
7736 reg_pat[i++] = '/'; | |
7737 reg_pat[i++] = ']'; | |
7738 if (allow_dirs != NULL) | |
7739 *allow_dirs = TRUE; | |
7740 break; | |
7741 #endif | |
7742 case '{': | |
7743 reg_pat[i++] = '\\'; | |
7744 reg_pat[i++] = '('; | |
7745 nested++; | |
7746 break; | |
7747 case '}': | |
7748 reg_pat[i++] = '\\'; | |
7749 reg_pat[i++] = ')'; | |
7750 --nested; | |
7751 break; | |
7752 case ',': | |
7753 if (nested) | |
7754 { | |
7755 reg_pat[i++] = '\\'; | |
7756 reg_pat[i++] = '|'; | |
7757 } | |
7758 else | |
7759 reg_pat[i++] = ','; | |
7760 break; | |
7761 default: | |
474 | 7762 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7763 reg_pat[i++] = *p++; |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
7764 else if (allow_dirs != NULL && vim_ispathsep(*p)) |
7 | 7765 *allow_dirs = TRUE; |
7766 reg_pat[i++] = *p; | |
7767 break; | |
7768 } | |
7769 } | |
7770 if (add_dollar) | |
7771 reg_pat[i++] = '$'; | |
7772 reg_pat[i] = NUL; | |
7773 if (nested != 0) | |
7774 { | |
7775 if (nested < 0) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
7776 emsg(_("E219: Missing {.")); |
7 | 7777 else |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
7778 emsg(_("E220: Missing }.")); |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
7779 VIM_CLEAR(reg_pat); |
7 | 7780 } |
7781 return reg_pat; | |
7782 } | |
2664 | 7783 |
7784 #if defined(EINTR) || defined(PROTO) | |
7785 /* | |
7786 * Version of read() that retries when interrupted by EINTR (possibly | |
7787 * by a SIGWINCH). | |
7788 */ | |
7789 long | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7790 read_eintr(int fd, void *buf, size_t bufsize) |
2664 | 7791 { |
7792 long ret; | |
7793 | |
7794 for (;;) | |
7795 { | |
7796 ret = vim_read(fd, buf, bufsize); | |
7797 if (ret >= 0 || errno != EINTR) | |
7798 break; | |
7799 } | |
7800 return ret; | |
7801 } | |
7802 | |
7803 /* | |
7804 * Version of write() that retries when interrupted by EINTR (possibly | |
7805 * by a SIGWINCH). | |
7806 */ | |
7807 long | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7808 write_eintr(int fd, void *buf, size_t bufsize) |
2664 | 7809 { |
7810 long ret = 0; | |
7811 long wlen; | |
7812 | |
7813 /* Repeat the write() so long it didn't fail, other than being interrupted | |
7814 * by a signal. */ | |
7815 while (ret < (long)bufsize) | |
7816 { | |
2666 | 7817 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
2664 | 7818 if (wlen < 0) |
7819 { | |
7820 if (errno != EINTR) | |
7821 break; | |
7822 } | |
7823 else | |
7824 ret += wlen; | |
7825 } | |
7826 return ret; | |
7827 } | |
7828 #endif |