Mercurial > vim
annotate src/fileio.c @ 16766:d2deaaf21305 v8.1.1385
patch 8.1.1385: signed/unsigned compiler warning
commit https://github.com/vim/vim/commit/71de720c2c117137185a6fc233b35aab37f0d4bc
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri May 24 19:04:29 2019 +0200
patch 8.1.1385: signed/unsigned compiler warning
Problem: Signed/unsigned compiler warning.
Solution: Use STRLEN() instead of strlen().
author | Bram Moolenaar <Bram@vim.org> |
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date | Fri, 24 May 2019 19:15:05 +0200 |
parents | ef00b6bc186b |
children | 695d9ef00b03 |
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 | |
2147
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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 | |
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687 // If "Quit" selected at ATTENTION dialog, don't load the file |
7 | 688 if (swap_exists_action == SEA_QUIT) |
689 { | |
690 if (!read_buffer && !read_stdin) | |
691 close(fd); | |
692 return FAIL; | |
693 } | |
694 | |
695 ++no_wait_return; /* don't wait for return yet */ | |
696 | |
697 /* | |
698 * Set '[ mark to the line above where the lines go (line 1 if zero). | |
699 */ | |
700 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); | |
701 curbuf->b_op_start.col = 0; | |
702 | |
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703 try_mac = (vim_strchr(p_ffs, 'm') != NULL); |
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704 try_dos = (vim_strchr(p_ffs, 'd') != NULL); |
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705 try_unix = (vim_strchr(p_ffs, 'x') != NULL); |
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706 |
7 | 707 if (!read_buffer) |
708 { | |
709 int m = msg_scroll; | |
710 int n = msg_scrolled; | |
711 | |
712 /* | |
713 * The file must be closed again, the autocommands may want to change | |
714 * the file before reading it. | |
715 */ | |
716 if (!read_stdin) | |
717 close(fd); /* ignore errors */ | |
718 | |
719 /* | |
720 * The output from the autocommands should not overwrite anything and | |
721 * should not be overwritten: Set msg_scroll, restore its value if no | |
722 * output was done. | |
723 */ | |
724 msg_scroll = TRUE; | |
725 if (filtering) | |
726 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname, | |
727 FALSE, curbuf, eap); | |
728 else if (read_stdin) | |
729 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname, | |
730 FALSE, curbuf, eap); | |
731 else if (newfile) | |
732 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname, | |
733 FALSE, curbuf, eap); | |
734 else | |
735 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname, | |
736 FALSE, NULL, eap); | |
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737 /* autocommands may have changed it */ |
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738 try_mac = (vim_strchr(p_ffs, 'm') != NULL); |
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739 try_dos = (vim_strchr(p_ffs, 'd') != NULL); |
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740 try_unix = (vim_strchr(p_ffs, 'x') != NULL); |
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741 |
7 | 742 if (msg_scrolled == n) |
743 msg_scroll = m; | |
744 | |
745 #ifdef FEAT_EVAL | |
746 if (aborting()) /* autocmds may abort script processing */ | |
747 { | |
748 --no_wait_return; | |
749 msg_scroll = msg_save; | |
750 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
751 return FAIL; | |
752 } | |
753 #endif | |
754 /* | |
755 * Don't allow the autocommands to change the current buffer. | |
756 * Try to re-open the file. | |
1834 | 757 * |
758 * Don't allow the autocommands to change the buffer name either | |
759 * (cd for example) if it invalidates fname or sfname. | |
7 | 760 */ |
761 if (!read_stdin && (curbuf != old_curbuf | |
1834 | 762 || (using_b_ffname && (old_b_ffname != curbuf->b_ffname)) |
763 || (using_b_fname && (old_b_fname != curbuf->b_fname)) | |
7 | 764 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0)) |
765 { | |
766 --no_wait_return; | |
767 msg_scroll = msg_save; | |
768 if (fd < 0) | |
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769 emsg(_("E200: *ReadPre autocommands made the file unreadable")); |
7 | 770 else |
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771 emsg(_("E201: *ReadPre autocommands must not change current buffer")); |
7 | 772 curbuf->b_p_ro = TRUE; /* must use "w!" now */ |
773 return FAIL; | |
774 } | |
775 } | |
776 | |
777 /* Autocommands may add lines to the file, need to check if it is empty */ | |
778 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY); | |
779 | |
780 if (!recoverymode && !filtering && !(flags & READ_DUMMY)) | |
781 { | |
782 /* | |
783 * Show the user that we are busy reading the input. Sometimes this | |
784 * may take a while. When reading from stdin another program may | |
785 * still be running, don't move the cursor to the last line, unless | |
786 * always using the GUI. | |
787 */ | |
788 if (read_stdin) | |
789 { | |
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790 if (!is_not_a_term()) |
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791 { |
7 | 792 #ifndef ALWAYS_USE_GUI |
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793 # ifdef VIMDLL |
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794 if (!gui.in_use) |
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795 # endif |
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796 mch_msg(_("Vim: Reading from stdin...\n")); |
7 | 797 #endif |
798 #ifdef FEAT_GUI | |
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799 /* Also write a message in the GUI window, if there is one. */ |
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800 if (gui.in_use && !gui.dying && !gui.starting) |
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801 { |
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802 p = (char_u *)_("Reading from stdin..."); |
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803 gui_write(p, (int)STRLEN(p)); |
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804 } |
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805 #endif |
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806 } |
7 | 807 } |
808 else if (!read_buffer) | |
809 filemess(curbuf, sfname, (char_u *)"", 0); | |
810 } | |
811 | |
812 msg_scroll = FALSE; /* overwrite the file message */ | |
813 | |
814 /* | |
815 * Set linecnt now, before the "retry" caused by a wrong guess for | |
816 * fileformat, and after the autocommands, which may change them. | |
817 */ | |
818 linecnt = curbuf->b_ml.ml_line_count; | |
819 | |
595 | 820 /* "++bad=" argument. */ |
821 if (eap != NULL && eap->bad_char != 0) | |
612 | 822 { |
595 | 823 bad_char_behavior = eap->bad_char; |
819 | 824 if (set_options) |
612 | 825 curbuf->b_bad_char = eap->bad_char; |
826 } | |
827 else | |
828 curbuf->b_bad_char = 0; | |
595 | 829 |
7 | 830 /* |
595 | 831 * Decide which 'encoding' to use or use first. |
7 | 832 */ |
833 if (eap != NULL && eap->force_enc != 0) | |
834 { | |
835 fenc = enc_canonize(eap->cmd + eap->force_enc); | |
836 fenc_alloced = TRUE; | |
595 | 837 keep_dest_enc = TRUE; |
7 | 838 } |
839 else if (curbuf->b_p_bin) | |
840 { | |
841 fenc = (char_u *)""; /* binary: don't convert */ | |
842 fenc_alloced = FALSE; | |
843 } | |
844 else if (curbuf->b_help) | |
845 { | |
846 char_u firstline[80]; | |
301 | 847 int fc; |
7 | 848 |
849 /* Help files are either utf-8 or latin1. Try utf-8 first, if this | |
850 * fails it must be latin1. | |
851 * Always do this when 'encoding' is "utf-8". Otherwise only do | |
852 * this when needed to avoid [converted] remarks all the time. | |
853 * It is needed when the first line contains non-ASCII characters. | |
854 * That is only in *.??x files. */ | |
855 fenc = (char_u *)"latin1"; | |
856 c = enc_utf8; | |
301 | 857 if (!c && !read_stdin) |
858 { | |
859 fc = fname[STRLEN(fname) - 1]; | |
860 if (TOLOWER_ASC(fc) == 'x') | |
861 { | |
862 /* Read the first line (and a bit more). Immediately rewind to | |
863 * the start of the file. If the read() fails "len" is -1. */ | |
2664 | 864 len = read_eintr(fd, firstline, 80); |
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changeset
|
865 vim_lseek(fd, (off_T)0L, SEEK_SET); |
301 | 866 for (p = firstline; p < firstline + len; ++p) |
867 if (*p >= 0x80) | |
868 { | |
869 c = TRUE; | |
870 break; | |
871 } | |
872 } | |
7 | 873 } |
874 | |
875 if (c) | |
876 { | |
877 fenc_next = fenc; | |
878 fenc = (char_u *)"utf-8"; | |
879 | |
880 /* When the file is utf-8 but a character doesn't fit in | |
881 * 'encoding' don't retry. In help text editing utf-8 bytes | |
882 * doesn't make sense. */ | |
844 | 883 if (!enc_utf8) |
884 keep_dest_enc = TRUE; | |
7 | 885 } |
886 fenc_alloced = FALSE; | |
887 } | |
888 else if (*p_fencs == NUL) | |
889 { | |
890 fenc = curbuf->b_p_fenc; /* use format from buffer */ | |
891 fenc_alloced = FALSE; | |
892 } | |
893 else | |
894 { | |
895 fenc_next = p_fencs; /* try items in 'fileencodings' */ | |
896 fenc = next_fenc(&fenc_next); | |
897 fenc_alloced = TRUE; | |
898 } | |
899 | |
900 /* | |
901 * Jump back here to retry reading the file in different ways. | |
902 * Reasons to retry: | |
903 * - encoding conversion failed: try another one from "fenc_next" | |
904 * - BOM detected and fenc was set, need to setup conversion | |
905 * - "fileformat" check failed: try another | |
906 * | |
907 * Variables set for special retry actions: | |
908 * "file_rewind" Rewind the file to start reading it again. | |
909 * "advance_fenc" Advance "fenc" using "fenc_next". | |
910 * "skip_read" Re-use already read bytes (BOM detected). | |
911 * "did_iconv" iconv() conversion failed, try 'charconvert'. | |
912 * "keep_fileformat" Don't reset "fileformat". | |
913 * | |
914 * Other status indicators: | |
915 * "tmpname" When != NULL did conversion with 'charconvert'. | |
916 * Output file has to be deleted afterwards. | |
917 * "iconv_fd" When != -1 did conversion with iconv(). | |
918 */ | |
919 retry: | |
920 | |
921 if (file_rewind) | |
922 { | |
923 if (read_buffer) | |
924 { | |
925 read_buf_lnum = 1; | |
926 read_buf_col = 0; | |
927 } | |
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Christian Brabandt <cb@256bit.org>
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9291
diff
changeset
|
928 else if (read_stdin || vim_lseek(fd, (off_T)0L, SEEK_SET) != 0) |
7 | 929 { |
930 /* Can't rewind the file, give up. */ | |
931 error = TRUE; | |
932 goto failed; | |
933 } | |
934 /* Delete the previously read lines. */ | |
935 while (lnum > from) | |
936 ml_delete(lnum--, FALSE); | |
937 file_rewind = FALSE; | |
819 | 938 if (set_options) |
1352 | 939 { |
7 | 940 curbuf->b_p_bomb = FALSE; |
1352 | 941 curbuf->b_start_bomb = FALSE; |
942 } | |
595 | 943 conv_error = 0; |
7 | 944 } |
945 | |
946 /* | |
947 * When retrying with another "fenc" and the first time "fileformat" | |
948 * will be reset. | |
949 */ | |
950 if (keep_fileformat) | |
951 keep_fileformat = FALSE; | |
952 else | |
953 { | |
954 if (eap != NULL && eap->force_ff != 0) | |
1742 | 955 { |
7 | 956 fileformat = get_fileformat_force(curbuf, eap); |
1742 | 957 try_unix = try_dos = try_mac = FALSE; |
958 } | |
7 | 959 else if (curbuf->b_p_bin) |
960 fileformat = EOL_UNIX; /* binary: use Unix format */ | |
961 else if (*p_ffs == NUL) | |
962 fileformat = get_fileformat(curbuf);/* use format from buffer */ | |
963 else | |
964 fileformat = EOL_UNKNOWN; /* detect from file */ | |
965 } | |
966 | |
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|
967 #ifdef USE_ICONV |
7 | 968 if (iconv_fd != (iconv_t)-1) |
969 { | |
970 /* aborted conversion with iconv(), close the descriptor */ | |
971 iconv_close(iconv_fd); | |
972 iconv_fd = (iconv_t)-1; | |
973 } | |
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|
974 #endif |
7 | 975 |
976 if (advance_fenc) | |
977 { | |
978 /* | |
979 * Try the next entry in 'fileencodings'. | |
980 */ | |
981 advance_fenc = FALSE; | |
982 | |
983 if (eap != NULL && eap->force_enc != 0) | |
984 { | |
985 /* Conversion given with "++cc=" wasn't possible, read | |
986 * without conversion. */ | |
987 notconverted = TRUE; | |
595 | 988 conv_error = 0; |
7 | 989 if (fenc_alloced) |
990 vim_free(fenc); | |
991 fenc = (char_u *)""; | |
992 fenc_alloced = FALSE; | |
993 } | |
994 else | |
995 { | |
996 if (fenc_alloced) | |
997 vim_free(fenc); | |
998 if (fenc_next != NULL) | |
999 { | |
1000 fenc = next_fenc(&fenc_next); | |
1001 fenc_alloced = (fenc_next != NULL); | |
1002 } | |
1003 else | |
1004 { | |
1005 fenc = (char_u *)""; | |
1006 fenc_alloced = FALSE; | |
1007 } | |
1008 } | |
1009 if (tmpname != NULL) | |
1010 { | |
1011 mch_remove(tmpname); /* delete converted file */ | |
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1012 VIM_CLEAR(tmpname); |
7 | 1013 } |
1014 } | |
1015 | |
1016 /* | |
1948 | 1017 * Conversion may be required when the encoding of the file is different |
1018 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4. | |
7 | 1019 */ |
1020 fio_flags = 0; | |
1948 | 1021 converted = need_conversion(fenc); |
1022 if (converted) | |
7 | 1023 { |
1024 | |
1025 /* "ucs-bom" means we need to check the first bytes of the file | |
1026 * for a BOM. */ | |
1027 if (STRCMP(fenc, ENC_UCSBOM) == 0) | |
1028 fio_flags = FIO_UCSBOM; | |
1029 | |
1030 /* | |
1031 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be | |
1032 * done. This is handled below after read(). Prepare the | |
1033 * fio_flags to avoid having to parse the string each time. | |
1034 * Also check for Unicode to Latin1 conversion, because iconv() | |
1035 * appears not to handle this correctly. This works just like | |
1036 * conversion to UTF-8 except how the resulting character is put in | |
1037 * the buffer. | |
1038 */ | |
1039 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
1040 fio_flags = get_fio_flags(fenc); | |
1041 | |
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1042 #ifdef MSWIN |
7 | 1043 /* |
1044 * Conversion from an MS-Windows codepage to UTF-8 or another codepage | |
1045 * is handled with MultiByteToWideChar(). | |
1046 */ | |
1047 if (fio_flags == 0) | |
1048 fio_flags = get_win_fio_flags(fenc); | |
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1049 #endif |
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1050 |
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1051 #ifdef MACOS_CONVERT |
7 | 1052 /* Conversion from Apple MacRoman to latin1 or UTF-8 */ |
1053 if (fio_flags == 0) | |
1054 fio_flags = get_mac_fio_flags(fenc); | |
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1055 #endif |
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1056 |
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1057 #ifdef USE_ICONV |
7 | 1058 /* |
1059 * Try using iconv() if we can't convert internally. | |
1060 */ | |
1061 if (fio_flags == 0 | |
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1062 # ifdef FEAT_EVAL |
7 | 1063 && !did_iconv |
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1064 # endif |
7 | 1065 ) |
1066 iconv_fd = (iconv_t)my_iconv_open( | |
1067 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc); | |
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1068 #endif |
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1069 |
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1070 #ifdef FEAT_EVAL |
7 | 1071 /* |
1072 * Use the 'charconvert' expression when conversion is required | |
1073 * and we can't do it internally or with iconv(). | |
1074 */ | |
1075 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL | |
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1076 && !read_fifo |
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1077 # ifdef USE_ICONV |
7 | 1078 && iconv_fd == (iconv_t)-1 |
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1079 # endif |
7 | 1080 ) |
1081 { | |
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1082 # ifdef USE_ICONV |
7 | 1083 did_iconv = FALSE; |
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1084 # endif |
7 | 1085 /* Skip conversion when it's already done (retry for wrong |
1086 * "fileformat"). */ | |
1087 if (tmpname == NULL) | |
1088 { | |
1089 tmpname = readfile_charconvert(fname, fenc, &fd); | |
1090 if (tmpname == NULL) | |
1091 { | |
1092 /* Conversion failed. Try another one. */ | |
1093 advance_fenc = TRUE; | |
1094 if (fd < 0) | |
1095 { | |
1096 /* Re-opening the original file failed! */ | |
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1097 emsg(_("E202: Conversion made file unreadable!")); |
7 | 1098 error = TRUE; |
1099 goto failed; | |
1100 } | |
1101 goto retry; | |
1102 } | |
1103 } | |
1104 } | |
1105 else | |
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1106 #endif |
7 | 1107 { |
1108 if (fio_flags == 0 | |
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1109 #ifdef USE_ICONV |
7 | 1110 && iconv_fd == (iconv_t)-1 |
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1111 #endif |
7 | 1112 ) |
1113 { | |
1114 /* Conversion wanted but we can't. | |
1115 * Try the next conversion in 'fileencodings' */ | |
1116 advance_fenc = TRUE; | |
1117 goto retry; | |
1118 } | |
1119 } | |
1120 } | |
1121 | |
595 | 1122 /* Set "can_retry" when it's possible to rewind the file and try with |
7 | 1123 * another "fenc" value. It's FALSE when no other "fenc" to try, reading |
595 | 1124 * stdin or fixed at a specific encoding. */ |
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changeset
|
1125 can_retry = (*fenc != NUL && !read_stdin && !read_fifo && !keep_dest_enc); |
7 | 1126 |
1127 if (!skip_read) | |
1128 { | |
1129 linerest = 0; | |
1130 filesize = 0; | |
1131 skip_count = lines_to_skip; | |
1132 read_count = lines_to_read; | |
1133 conv_restlen = 0; | |
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|
1134 #ifdef FEAT_PERSISTENT_UNDO |
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1135 read_undo_file = (newfile && (flags & READ_KEEP_UNDO) == 0 |
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1136 && curbuf->b_ffname != NULL |
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1137 && curbuf->b_p_udf |
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1138 && !filtering |
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1139 && !read_fifo |
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1140 && !read_stdin |
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1141 && !read_buffer); |
2214
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1142 if (read_undo_file) |
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1143 sha256_start(&sha_ctx); |
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1144 #endif |
6122 | 1145 #ifdef FEAT_CRYPT |
1146 if (curbuf->b_cryptstate != NULL) | |
1147 { | |
1148 /* Need to free the state, but keep the key, don't want to ask for | |
1149 * it again. */ | |
1150 crypt_free_state(curbuf->b_cryptstate); | |
1151 curbuf->b_cryptstate = NULL; | |
1152 } | |
1153 #endif | |
7 | 1154 } |
1155 | |
1156 while (!error && !got_int) | |
1157 { | |
1158 /* | |
1159 * We allocate as much space for the file as we can get, plus | |
1160 * space for the old line plus room for one terminating NUL. | |
1161 * The amount is limited by the fact that read() only can read | |
1162 * upto max_unsigned characters (and other things). | |
1163 */ | |
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1164 if (!skip_read) |
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1165 { |
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1166 #if defined(SSIZE_MAX) && (SSIZE_MAX < 0x10000L) |
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1167 size = SSIZE_MAX; /* use max I/O size, 52K */ |
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1168 #else |
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1169 /* Use buffer >= 64K. Add linerest to double the size if the |
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1170 * line gets very long, to avoid a lot of copying. But don't |
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1171 * read more than 1 Mbyte at a time, so we can be interrupted. |
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1172 */ |
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1173 size = 0x10000L + linerest; |
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1174 if (size > 0x100000L) |
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1175 size = 0x100000L; |
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1176 #endif |
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1177 } |
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1178 |
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1179 /* Protect against the argument of lalloc() going negative. */ |
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1180 if (size < 0 || size + linerest + 1 < 0 || linerest >= MAXCOL) |
7 | 1181 { |
1182 ++split; | |
1183 *ptr = NL; /* split line by inserting a NL */ | |
1184 size = 1; | |
1185 } | |
1186 else | |
1187 { | |
1188 if (!skip_read) | |
1189 { | |
836 | 1190 for ( ; size >= 10; size = (long)((long_u)size >> 1)) |
7 | 1191 { |
1192 if ((new_buffer = lalloc((long_u)(size + linerest + 1), | |
1193 FALSE)) != NULL) | |
1194 break; | |
1195 } | |
1196 if (new_buffer == NULL) | |
1197 { | |
1198 do_outofmem_msg((long_u)(size * 2 + linerest + 1)); | |
1199 error = TRUE; | |
1200 break; | |
1201 } | |
1202 if (linerest) /* copy characters from the previous buffer */ | |
1203 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest); | |
1204 vim_free(buffer); | |
1205 buffer = new_buffer; | |
1206 ptr = buffer + linerest; | |
1207 line_start = buffer; | |
1208 | |
1209 /* May need room to translate into. | |
1210 * For iconv() we don't really know the required space, use a | |
1211 * factor ICONV_MULT. | |
1212 * latin1 to utf-8: 1 byte becomes up to 2 bytes | |
1213 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes | |
1214 * become up to 4 bytes, size must be multiple of 2 | |
1215 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be | |
1216 * multiple of 2 | |
1217 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be | |
1218 * multiple of 4 */ | |
835 | 1219 real_size = (int)size; |
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1220 #ifdef USE_ICONV |
7 | 1221 if (iconv_fd != (iconv_t)-1) |
1222 size = size / ICONV_MULT; | |
1223 else | |
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1224 #endif |
7 | 1225 if (fio_flags & FIO_LATIN1) |
1226 size = size / 2; | |
1227 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1228 size = (size * 2 / 3) & ~1; | |
1229 else if (fio_flags & FIO_UCS4) | |
1230 size = (size * 2 / 3) & ~3; | |
1231 else if (fio_flags == FIO_UCSBOM) | |
1232 size = size / ICONV_MULT; /* worst case */ | |
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|
1233 #ifdef MSWIN |
7 | 1234 else if (fio_flags & FIO_CODEPAGE) |
1235 size = size / ICONV_MULT; /* also worst case */ | |
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changeset
|
1236 #endif |
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parents:
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diff
changeset
|
1237 #ifdef MACOS_CONVERT |
7 | 1238 else if (fio_flags & FIO_MACROMAN) |
1239 size = size / ICONV_MULT; /* also worst case */ | |
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|
1240 #endif |
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changeset
|
1241 |
7 | 1242 if (conv_restlen > 0) |
1243 { | |
1244 /* Insert unconverted bytes from previous line. */ | |
1245 mch_memmove(ptr, conv_rest, conv_restlen); | |
1246 ptr += conv_restlen; | |
1247 size -= conv_restlen; | |
1248 } | |
1249 | |
1250 if (read_buffer) | |
1251 { | |
1252 /* | |
1253 * Read bytes from curbuf. Used for converting text read | |
1254 * from stdin. | |
1255 */ | |
1256 if (read_buf_lnum > from) | |
1257 size = 0; | |
1258 else | |
1259 { | |
1260 int n, ni; | |
1261 long tlen; | |
1262 | |
1263 tlen = 0; | |
1264 for (;;) | |
1265 { | |
1266 p = ml_get(read_buf_lnum) + read_buf_col; | |
1267 n = (int)STRLEN(p); | |
1268 if ((int)tlen + n + 1 > size) | |
1269 { | |
1270 /* Filled up to "size", append partial line. | |
1271 * Change NL to NUL to reverse the effect done | |
1272 * below. */ | |
835 | 1273 n = (int)(size - tlen); |
7 | 1274 for (ni = 0; ni < n; ++ni) |
1275 { | |
1276 if (p[ni] == NL) | |
1277 ptr[tlen++] = NUL; | |
1278 else | |
1279 ptr[tlen++] = p[ni]; | |
1280 } | |
1281 read_buf_col += n; | |
1282 break; | |
1283 } | |
1284 else | |
1285 { | |
1286 /* Append whole line and new-line. Change NL | |
1287 * to NUL to reverse the effect done below. */ | |
1288 for (ni = 0; ni < n; ++ni) | |
1289 { | |
1290 if (p[ni] == NL) | |
1291 ptr[tlen++] = NUL; | |
1292 else | |
1293 ptr[tlen++] = p[ni]; | |
1294 } | |
1295 ptr[tlen++] = NL; | |
1296 read_buf_col = 0; | |
1297 if (++read_buf_lnum > from) | |
1298 { | |
1299 /* When the last line didn't have an | |
1300 * end-of-line don't add it now either. */ | |
1301 if (!curbuf->b_p_eol) | |
1302 --tlen; | |
1303 size = tlen; | |
1304 break; | |
1305 } | |
1306 } | |
1307 } | |
1308 } | |
1309 } | |
1310 else | |
1311 { | |
1312 /* | |
1313 * Read bytes from the file. | |
1314 */ | |
2664 | 1315 size = read_eintr(fd, ptr, size); |
7 | 1316 } |
1317 | |
6122 | 1318 #ifdef FEAT_CRYPT |
1319 /* | |
1320 * At start of file: Check for magic number of encryption. | |
1321 */ | |
1322 if (filesize == 0 && size > 0) | |
1323 cryptkey = check_for_cryptkey(cryptkey, ptr, &size, | |
1324 &filesize, newfile, sfname, | |
1325 &did_ask_for_key); | |
1326 /* | |
1327 * Decrypt the read bytes. This is done before checking for | |
1328 * EOF because the crypt layer may be buffering. | |
1329 */ | |
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Christian Brabandt <cb@256bit.org>
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changeset
|
1330 if (cryptkey != NULL && curbuf->b_cryptstate != NULL |
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Christian Brabandt <cb@256bit.org>
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|
1331 && size > 0) |
6122 | 1332 { |
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|
1333 # ifdef CRYPT_NOT_INPLACE |
6122 | 1334 if (crypt_works_inplace(curbuf->b_cryptstate)) |
1335 { | |
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|
1336 # endif |
6122 | 1337 crypt_decode_inplace(curbuf->b_cryptstate, ptr, size); |
15531
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changeset
|
1338 # ifdef CRYPT_NOT_INPLACE |
6122 | 1339 } |
1340 else | |
1341 { | |
1342 char_u *newptr = NULL; | |
1343 int decrypted_size; | |
1344 | |
1345 decrypted_size = crypt_decode_alloc( | |
1346 curbuf->b_cryptstate, ptr, size, &newptr); | |
1347 | |
1348 /* If the crypt layer is buffering, not producing | |
1349 * anything yet, need to read more. */ | |
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diff
changeset
|
1350 if (decrypted_size == 0) |
6122 | 1351 continue; |
1352 | |
1353 if (linerest == 0) | |
1354 { | |
1355 /* Simple case: reuse returned buffer (may be | |
1356 * NULL, checked later). */ | |
1357 new_buffer = newptr; | |
1358 } | |
1359 else | |
1360 { | |
1361 long_u new_size; | |
1362 | |
1363 /* Need new buffer to add bytes carried over. */ | |
1364 new_size = (long_u)(decrypted_size + linerest + 1); | |
1365 new_buffer = lalloc(new_size, FALSE); | |
1366 if (new_buffer == NULL) | |
1367 { | |
1368 do_outofmem_msg(new_size); | |
1369 error = TRUE; | |
1370 break; | |
1371 } | |
1372 | |
1373 mch_memmove(new_buffer, buffer, linerest); | |
1374 if (newptr != NULL) | |
1375 mch_memmove(new_buffer + linerest, newptr, | |
1376 decrypted_size); | |
1377 } | |
1378 | |
1379 if (new_buffer != NULL) | |
1380 { | |
1381 vim_free(buffer); | |
1382 buffer = new_buffer; | |
1383 new_buffer = NULL; | |
1384 line_start = buffer; | |
1385 ptr = buffer + linerest; | |
1386 } | |
1387 size = decrypted_size; | |
1388 } | |
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diff
changeset
|
1389 # endif |
6122 | 1390 } |
1391 #endif | |
1392 | |
7 | 1393 if (size <= 0) |
1394 { | |
1395 if (size < 0) /* read error */ | |
1396 error = TRUE; | |
1397 else if (conv_restlen > 0) | |
595 | 1398 { |
1597 | 1399 /* |
1400 * Reached end-of-file but some trailing bytes could | |
1401 * not be converted. Truncated file? | |
1402 */ | |
1403 | |
1404 /* When we did a conversion report an error. */ | |
1405 if (fio_flags != 0 | |
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diff
changeset
|
1406 #ifdef USE_ICONV |
1597 | 1407 || iconv_fd != (iconv_t)-1 |
15595
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diff
changeset
|
1408 #endif |
1597 | 1409 ) |
1410 { | |
4331 | 1411 if (can_retry) |
1412 goto rewind_retry; | |
1597 | 1413 if (conv_error == 0) |
1414 conv_error = curbuf->b_ml.ml_line_count | |
1415 - linecnt + 1; | |
1416 } | |
1417 /* Remember the first linenr with an illegal byte */ | |
1418 else if (illegal_byte == 0) | |
1419 illegal_byte = curbuf->b_ml.ml_line_count | |
1420 - linecnt + 1; | |
1421 if (bad_char_behavior == BAD_DROP) | |
595 | 1422 { |
1597 | 1423 *(ptr - conv_restlen) = NUL; |
1424 conv_restlen = 0; | |
1425 } | |
1426 else | |
1427 { | |
1428 /* Replace the trailing bytes with the replacement | |
1429 * character if we were converting; if we weren't, | |
1430 * leave the UTF8 checking code to do it, as it | |
1431 * works slightly differently. */ | |
1432 if (bad_char_behavior != BAD_KEEP && (fio_flags != 0 | |
15595
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1433 #ifdef USE_ICONV |
1597 | 1434 || iconv_fd != (iconv_t)-1 |
15595
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1435 #endif |
1597 | 1436 )) |
1437 { | |
1438 while (conv_restlen > 0) | |
1439 { | |
1440 *(--ptr) = bad_char_behavior; | |
1441 --conv_restlen; | |
1442 } | |
1443 } | |
595 | 1444 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:
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diff
changeset
|
1445 #ifdef USE_ICONV |
834 | 1446 if (iconv_fd != (iconv_t)-1) |
1447 { | |
1448 iconv_close(iconv_fd); | |
1449 iconv_fd = (iconv_t)-1; | |
1450 } | |
15595
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1451 #endif |
595 | 1452 } |
1453 } | |
7 | 1454 } |
1455 } | |
1456 skip_read = FALSE; | |
1457 | |
1458 /* | |
1459 * At start of file (or after crypt magic number): Check for BOM. | |
1460 * Also check for a BOM for other Unicode encodings, but not after | |
1461 * converting with 'charconvert' or when a BOM has already been | |
1462 * found. | |
1463 */ | |
1464 if ((filesize == 0 | |
15595
1ec942f1b648
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Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1465 #ifdef FEAT_CRYPT |
6122 | 1466 || (cryptkey != NULL |
1467 && filesize == crypt_get_header_len( | |
1468 crypt_get_method_nr(curbuf))) | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
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parents:
15555
diff
changeset
|
1469 #endif |
7 | 1470 ) |
1471 && (fio_flags == FIO_UCSBOM | |
1472 || (!curbuf->b_p_bomb | |
1473 && tmpname == NULL | |
1474 && (*fenc == 'u' || (*fenc == NUL && enc_utf8))))) | |
1475 { | |
1476 char_u *ccname; | |
1477 int blen; | |
1478 | |
1479 /* no BOM detection in a short file or in binary mode */ | |
1480 if (size < 2 || curbuf->b_p_bin) | |
1481 ccname = NULL; | |
1482 else | |
1483 ccname = check_for_bom(ptr, size, &blen, | |
1484 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc)); | |
1485 if (ccname != NULL) | |
1486 { | |
1487 /* Remove BOM from the text */ | |
1488 filesize += blen; | |
1489 size -= blen; | |
1490 mch_memmove(ptr, ptr + blen, (size_t)size); | |
819 | 1491 if (set_options) |
1352 | 1492 { |
7 | 1493 curbuf->b_p_bomb = TRUE; |
1352 | 1494 curbuf->b_start_bomb = TRUE; |
1495 } | |
7 | 1496 } |
1497 | |
1498 if (fio_flags == FIO_UCSBOM) | |
1499 { | |
1500 if (ccname == NULL) | |
1501 { | |
1502 /* No BOM detected: retry with next encoding. */ | |
1503 advance_fenc = TRUE; | |
1504 } | |
1505 else | |
1506 { | |
1507 /* BOM detected: set "fenc" and jump back */ | |
1508 if (fenc_alloced) | |
1509 vim_free(fenc); | |
1510 fenc = ccname; | |
1511 fenc_alloced = FALSE; | |
1512 } | |
1513 /* retry reading without getting new bytes or rewinding */ | |
1514 skip_read = TRUE; | |
1515 goto retry; | |
1516 } | |
1517 } | |
1597 | 1518 |
1519 /* Include not converted bytes. */ | |
1520 ptr -= conv_restlen; | |
1521 size += conv_restlen; | |
1522 conv_restlen = 0; | |
7 | 1523 /* |
1524 * Break here for a read error or end-of-file. | |
1525 */ | |
1526 if (size <= 0) | |
1527 break; | |
1528 | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1529 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1530 #ifdef USE_ICONV |
7 | 1531 if (iconv_fd != (iconv_t)-1) |
1532 { | |
1533 /* | |
1534 * Attempt conversion of the read bytes to 'encoding' using | |
1535 * iconv(). | |
1536 */ | |
1537 const char *fromp; | |
1538 char *top; | |
1539 size_t from_size; | |
1540 size_t to_size; | |
1541 | |
1542 fromp = (char *)ptr; | |
1543 from_size = size; | |
1544 ptr += size; | |
1545 top = (char *)ptr; | |
1546 to_size = real_size - size; | |
1547 | |
1548 /* | |
1549 * If there is conversion error or not enough room try using | |
179 | 1550 * another conversion. Except for when there is no |
1551 * alternative (help files). | |
7 | 1552 */ |
177 | 1553 while ((iconv(iconv_fd, (void *)&fromp, &from_size, |
1554 &top, &to_size) | |
7 | 1555 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) |
1556 || from_size > CONV_RESTLEN) | |
177 | 1557 { |
595 | 1558 if (can_retry) |
375 | 1559 goto rewind_retry; |
595 | 1560 if (conv_error == 0) |
1561 conv_error = readfile_linenr(linecnt, | |
1562 ptr, (char_u *)top); | |
1563 | |
1564 /* Deal with a bad byte and continue with the next. */ | |
177 | 1565 ++fromp; |
1566 --from_size; | |
595 | 1567 if (bad_char_behavior == BAD_KEEP) |
1568 { | |
1569 *top++ = *(fromp - 1); | |
1570 --to_size; | |
1571 } | |
1572 else if (bad_char_behavior != BAD_DROP) | |
1573 { | |
1574 *top++ = bad_char_behavior; | |
1575 --to_size; | |
1576 } | |
177 | 1577 } |
7 | 1578 |
1579 if (from_size > 0) | |
1580 { | |
1581 /* Some remaining characters, keep them for the next | |
1582 * round. */ | |
1583 mch_memmove(conv_rest, (char_u *)fromp, from_size); | |
1584 conv_restlen = (int)from_size; | |
1585 } | |
1586 | |
1587 /* move the linerest to before the converted characters */ | |
1588 line_start = ptr - linerest; | |
1589 mch_memmove(line_start, buffer, (size_t)linerest); | |
1590 size = (long)((char_u *)top - ptr); | |
1591 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1592 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1593 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
1594 #ifdef MSWIN |
7 | 1595 if (fio_flags & FIO_CODEPAGE) |
1596 { | |
595 | 1597 char_u *src, *dst; |
1598 WCHAR ucs2buf[3]; | |
1599 int ucs2len; | |
1600 int codepage = FIO_GET_CP(fio_flags); | |
1601 int bytelen; | |
1602 int found_bad; | |
1603 char replstr[2]; | |
1604 | |
7 | 1605 /* |
1606 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or | |
595 | 1607 * a codepage, using standard MS-Windows functions. This |
1608 * requires two steps: | |
1609 * 1. convert from 'fileencoding' to ucs-2 | |
1610 * 2. convert from ucs-2 to 'encoding' | |
1611 * | |
1612 * Because there may be illegal bytes AND an incomplete byte | |
1613 * sequence at the end, we may have to do the conversion one | |
1614 * character at a time to get it right. | |
7 | 1615 */ |
595 | 1616 |
1617 /* Replacement string for WideCharToMultiByte(). */ | |
1618 if (bad_char_behavior > 0) | |
1619 replstr[0] = bad_char_behavior; | |
1620 else | |
1621 replstr[0] = '?'; | |
1622 replstr[1] = NUL; | |
1623 | |
1624 /* | |
1625 * Move the bytes to the end of the buffer, so that we have | |
1626 * room to put the result at the start. | |
1627 */ | |
1628 src = ptr + real_size - size; | |
1629 mch_memmove(src, ptr, size); | |
7 | 1630 |
1631 /* | |
595 | 1632 * Do the conversion. |
7 | 1633 */ |
595 | 1634 dst = ptr; |
1635 size = size; | |
1636 while (size > 0) | |
7 | 1637 { |
595 | 1638 found_bad = FALSE; |
7 | 1639 |
1640 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
595 | 1641 if (codepage == CP_UTF8) |
7 | 1642 { |
595 | 1643 /* Handle CP_UTF8 input ourselves to be able to handle |
1644 * trailing bytes properly. | |
1645 * Get one UTF-8 character from src. */ | |
835 | 1646 bytelen = (int)utf_ptr2len_len(src, size); |
595 | 1647 if (bytelen > size) |
1648 { | |
1649 /* Only got some bytes of a character. Normally | |
1650 * it's put in "conv_rest", but if it's too long | |
1651 * deal with it as if they were illegal bytes. */ | |
1652 if (bytelen <= CONV_RESTLEN) | |
1653 break; | |
1654 | |
1655 /* weird overlong byte sequence */ | |
1656 bytelen = size; | |
1657 found_bad = TRUE; | |
1658 } | |
1659 else | |
1660 { | |
799 | 1661 int u8c = utf_ptr2char(src); |
1662 | |
622 | 1663 if (u8c > 0xffff || (*src >= 0x80 && bytelen == 1)) |
595 | 1664 found_bad = TRUE; |
1665 ucs2buf[0] = u8c; | |
1666 ucs2len = 1; | |
1667 } | |
7 | 1668 } |
595 | 1669 else |
7 | 1670 # endif |
595 | 1671 { |
1672 /* We don't know how long the byte sequence is, try | |
1673 * from one to three bytes. */ | |
1674 for (bytelen = 1; bytelen <= size && bytelen <= 3; | |
1675 ++bytelen) | |
1676 { | |
1677 ucs2len = MultiByteToWideChar(codepage, | |
1678 MB_ERR_INVALID_CHARS, | |
1679 (LPCSTR)src, bytelen, | |
1680 ucs2buf, 3); | |
1681 if (ucs2len > 0) | |
1682 break; | |
1683 } | |
1684 if (ucs2len == 0) | |
1685 { | |
1686 /* If we have only one byte then it's probably an | |
1687 * incomplete byte sequence. Otherwise discard | |
1688 * one byte as a bad character. */ | |
1689 if (size == 1) | |
1690 break; | |
1691 found_bad = TRUE; | |
1692 bytelen = 1; | |
1693 } | |
1694 } | |
1695 | |
1696 if (!found_bad) | |
7 | 1697 { |
595 | 1698 int i; |
1699 | |
1700 /* Convert "ucs2buf[ucs2len]" to 'enc' in "dst". */ | |
1701 if (enc_utf8) | |
1702 { | |
1703 /* From UCS-2 to UTF-8. Cannot fail. */ | |
1704 for (i = 0; i < ucs2len; ++i) | |
1705 dst += utf_char2bytes(ucs2buf[i], dst); | |
1706 } | |
1707 else | |
1708 { | |
1709 BOOL bad = FALSE; | |
1710 int dstlen; | |
1711 | |
1712 /* From UCS-2 to "enc_codepage". If the | |
1713 * conversion uses the default character "?", | |
1714 * the data doesn't fit in this encoding. */ | |
1715 dstlen = WideCharToMultiByte(enc_codepage, 0, | |
1716 (LPCWSTR)ucs2buf, ucs2len, | |
835 | 1717 (LPSTR)dst, (int)(src - dst), |
595 | 1718 replstr, &bad); |
1719 if (bad) | |
1720 found_bad = TRUE; | |
1721 else | |
1722 dst += dstlen; | |
1723 } | |
7 | 1724 } |
595 | 1725 |
1726 if (found_bad) | |
1727 { | |
1728 /* Deal with bytes we can't convert. */ | |
1729 if (can_retry) | |
1730 goto rewind_retry; | |
1731 if (conv_error == 0) | |
1732 conv_error = readfile_linenr(linecnt, ptr, dst); | |
1733 if (bad_char_behavior != BAD_DROP) | |
1734 { | |
1735 if (bad_char_behavior == BAD_KEEP) | |
1736 { | |
1737 mch_memmove(dst, src, bytelen); | |
1738 dst += bytelen; | |
1739 } | |
1740 else | |
1741 *dst++ = bad_char_behavior; | |
1742 } | |
1743 } | |
1744 | |
1745 src += bytelen; | |
1746 size -= bytelen; | |
7 | 1747 } |
595 | 1748 |
1749 if (size > 0) | |
7 | 1750 { |
595 | 1751 /* An incomplete byte sequence remaining. */ |
1752 mch_memmove(conv_rest, src, size); | |
1753 conv_restlen = size; | |
7 | 1754 } |
595 | 1755 |
1756 /* The new size is equal to how much "dst" was advanced. */ | |
835 | 1757 size = (long)(dst - ptr); |
7 | 1758 } |
1759 else | |
15595
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parents:
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diff
changeset
|
1760 #endif |
1ec942f1b648
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parents:
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diff
changeset
|
1761 #ifdef MACOS_CONVERT |
7 | 1762 if (fio_flags & FIO_MACROMAN) |
1763 { | |
1764 /* | |
1765 * Conversion from Apple MacRoman char encoding to UTF-8 or | |
18 | 1766 * latin1. This is in os_mac_conv.c. |
7 | 1767 */ |
18 | 1768 if (macroman2enc(ptr, &size, real_size) == FAIL) |
7 | 1769 goto rewind_retry; |
1770 } | |
1771 else | |
15595
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patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1772 #endif |
7 | 1773 if (fio_flags != 0) |
1774 { | |
1775 int u8c; | |
1776 char_u *dest; | |
1777 char_u *tail = NULL; | |
1778 | |
1779 /* | |
1780 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8. | |
1781 * "enc_utf8" not set: Convert Unicode to Latin1. | |
1782 * Go from end to start through the buffer, because the number | |
1783 * of bytes may increase. | |
1784 * "dest" points to after where the UTF-8 bytes go, "p" points | |
1785 * to after the next character to convert. | |
1786 */ | |
1787 dest = ptr + real_size; | |
1788 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8) | |
1789 { | |
1790 p = ptr + size; | |
1791 if (fio_flags == FIO_UTF8) | |
1792 { | |
1793 /* Check for a trailing incomplete UTF-8 sequence */ | |
1794 tail = ptr + size - 1; | |
1795 while (tail > ptr && (*tail & 0xc0) == 0x80) | |
1796 --tail; | |
1797 if (tail + utf_byte2len(*tail) <= ptr + size) | |
1798 tail = NULL; | |
1799 else | |
1800 p = tail; | |
1801 } | |
1802 } | |
1803 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1804 { | |
1805 /* Check for a trailing byte */ | |
1806 p = ptr + (size & ~1); | |
1807 if (size & 1) | |
1808 tail = p; | |
1809 if ((fio_flags & FIO_UTF16) && p > ptr) | |
1810 { | |
1811 /* Check for a trailing leading word */ | |
1812 if (fio_flags & FIO_ENDIAN_L) | |
1813 { | |
1814 u8c = (*--p << 8); | |
1815 u8c += *--p; | |
1816 } | |
1817 else | |
1818 { | |
1819 u8c = *--p; | |
1820 u8c += (*--p << 8); | |
1821 } | |
1822 if (u8c >= 0xd800 && u8c <= 0xdbff) | |
1823 tail = p; | |
1824 else | |
1825 p += 2; | |
1826 } | |
1827 } | |
1828 else /* FIO_UCS4 */ | |
1829 { | |
1830 /* Check for trailing 1, 2 or 3 bytes */ | |
1831 p = ptr + (size & ~3); | |
1832 if (size & 3) | |
1833 tail = p; | |
1834 } | |
1835 | |
1836 /* If there is a trailing incomplete sequence move it to | |
1837 * conv_rest[]. */ | |
1838 if (tail != NULL) | |
1839 { | |
1840 conv_restlen = (int)((ptr + size) - tail); | |
1841 mch_memmove(conv_rest, (char_u *)tail, conv_restlen); | |
1842 size -= conv_restlen; | |
1843 } | |
1844 | |
1845 | |
1846 while (p > ptr) | |
1847 { | |
1848 if (fio_flags & FIO_LATIN1) | |
1849 u8c = *--p; | |
1850 else if (fio_flags & (FIO_UCS2 | FIO_UTF16)) | |
1851 { | |
1852 if (fio_flags & FIO_ENDIAN_L) | |
1853 { | |
1854 u8c = (*--p << 8); | |
1855 u8c += *--p; | |
1856 } | |
1857 else | |
1858 { | |
1859 u8c = *--p; | |
1860 u8c += (*--p << 8); | |
1861 } | |
1862 if ((fio_flags & FIO_UTF16) | |
1863 && u8c >= 0xdc00 && u8c <= 0xdfff) | |
1864 { | |
1865 int u16c; | |
1866 | |
1867 if (p == ptr) | |
1868 { | |
1869 /* Missing leading word. */ | |
1870 if (can_retry) | |
1871 goto rewind_retry; | |
595 | 1872 if (conv_error == 0) |
1873 conv_error = readfile_linenr(linecnt, | |
1874 ptr, p); | |
1875 if (bad_char_behavior == BAD_DROP) | |
1876 continue; | |
1877 if (bad_char_behavior != BAD_KEEP) | |
1878 u8c = bad_char_behavior; | |
7 | 1879 } |
1880 | |
1881 /* found second word of double-word, get the first | |
1882 * word and compute the resulting character */ | |
1883 if (fio_flags & FIO_ENDIAN_L) | |
1884 { | |
1885 u16c = (*--p << 8); | |
1886 u16c += *--p; | |
1887 } | |
1888 else | |
1889 { | |
1890 u16c = *--p; | |
1891 u16c += (*--p << 8); | |
1892 } | |
595 | 1893 u8c = 0x10000 + ((u16c & 0x3ff) << 10) |
1894 + (u8c & 0x3ff); | |
1895 | |
7 | 1896 /* Check if the word is indeed a leading word. */ |
1897 if (u16c < 0xd800 || u16c > 0xdbff) | |
1898 { | |
1899 if (can_retry) | |
1900 goto rewind_retry; | |
595 | 1901 if (conv_error == 0) |
1902 conv_error = readfile_linenr(linecnt, | |
1903 ptr, p); | |
1904 if (bad_char_behavior == BAD_DROP) | |
1905 continue; | |
1906 if (bad_char_behavior != BAD_KEEP) | |
1907 u8c = bad_char_behavior; | |
7 | 1908 } |
1909 } | |
1910 } | |
1911 else if (fio_flags & FIO_UCS4) | |
1912 { | |
1913 if (fio_flags & FIO_ENDIAN_L) | |
1914 { | |
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diff
changeset
|
1915 u8c = (unsigned)*--p << 24; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1916 u8c += (unsigned)*--p << 16; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1917 u8c += (unsigned)*--p << 8; |
7 | 1918 u8c += *--p; |
1919 } | |
1920 else /* big endian */ | |
1921 { | |
1922 u8c = *--p; | |
12698
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Christian Brabandt <cb@256bit.org>
parents:
12656
diff
changeset
|
1923 u8c += (unsigned)*--p << 8; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1924 u8c += (unsigned)*--p << 16; |
6d3d64be7945
patch 8.0.1227: undefined left shift in readfile()
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1925 u8c += (unsigned)*--p << 24; |
7 | 1926 } |
1927 } | |
1928 else /* UTF-8 */ | |
1929 { | |
1930 if (*--p < 0x80) | |
1931 u8c = *p; | |
1932 else | |
1933 { | |
1934 len = utf_head_off(ptr, p); | |
595 | 1935 p -= len; |
1936 u8c = utf_ptr2char(p); | |
7 | 1937 if (len == 0) |
1938 { | |
1939 /* Not a valid UTF-8 character, retry with | |
1940 * another fenc when possible, otherwise just | |
1941 * report the error. */ | |
1942 if (can_retry) | |
1943 goto rewind_retry; | |
595 | 1944 if (conv_error == 0) |
1945 conv_error = readfile_linenr(linecnt, | |
1946 ptr, p); | |
1947 if (bad_char_behavior == BAD_DROP) | |
1948 continue; | |
1949 if (bad_char_behavior != BAD_KEEP) | |
1950 u8c = bad_char_behavior; | |
7 | 1951 } |
1952 } | |
1953 } | |
1954 if (enc_utf8) /* produce UTF-8 */ | |
1955 { | |
1956 dest -= utf_char2len(u8c); | |
1957 (void)utf_char2bytes(u8c, dest); | |
1958 } | |
1959 else /* produce Latin1 */ | |
1960 { | |
1961 --dest; | |
1962 if (u8c >= 0x100) | |
1963 { | |
1964 /* character doesn't fit in latin1, retry with | |
1965 * another fenc when possible, otherwise just | |
1966 * report the error. */ | |
595 | 1967 if (can_retry) |
7 | 1968 goto rewind_retry; |
595 | 1969 if (conv_error == 0) |
1970 conv_error = readfile_linenr(linecnt, ptr, p); | |
1971 if (bad_char_behavior == BAD_DROP) | |
1972 ++dest; | |
1973 else if (bad_char_behavior == BAD_KEEP) | |
1974 *dest = u8c; | |
1975 else if (eap != NULL && eap->bad_char != 0) | |
1976 *dest = bad_char_behavior; | |
1977 else | |
1978 *dest = 0xBF; | |
7 | 1979 } |
1980 else | |
1981 *dest = u8c; | |
1982 } | |
1983 } | |
1984 | |
1985 /* move the linerest to before the converted characters */ | |
1986 line_start = dest - linerest; | |
1987 mch_memmove(line_start, buffer, (size_t)linerest); | |
1988 size = (long)((ptr + real_size) - dest); | |
1989 ptr = dest; | |
1990 } | |
1597 | 1991 else if (enc_utf8 && !curbuf->b_p_bin) |
1992 { | |
1993 int incomplete_tail = FALSE; | |
1994 | |
1995 /* Reading UTF-8: Check if the bytes are valid UTF-8. */ | |
1996 for (p = ptr; ; ++p) | |
7 | 1997 { |
835 | 1998 int todo = (int)((ptr + size) - p); |
595 | 1999 int l; |
2000 | |
2001 if (todo <= 0) | |
2002 break; | |
7 | 2003 if (*p >= 0x80) |
2004 { | |
2005 /* A length of 1 means it's an illegal byte. Accept | |
2006 * an incomplete character at the end though, the next | |
2007 * read() will get the next bytes, we'll check it | |
2008 * then. */ | |
595 | 2009 l = utf_ptr2len_len(p, todo); |
1597 | 2010 if (l > todo && !incomplete_tail) |
7 | 2011 { |
1597 | 2012 /* Avoid retrying with a different encoding when |
2013 * a truncated file is more likely, or attempting | |
2014 * to read the rest of an incomplete sequence when | |
2015 * we have already done so. */ | |
2016 if (p > ptr || filesize > 0) | |
2017 incomplete_tail = TRUE; | |
2018 /* Incomplete byte sequence, move it to conv_rest[] | |
2019 * and try to read the rest of it, unless we've | |
2020 * already done so. */ | |
2021 if (p > ptr) | |
2022 { | |
2023 conv_restlen = todo; | |
2024 mch_memmove(conv_rest, p, conv_restlen); | |
2025 size -= conv_restlen; | |
2026 break; | |
2027 } | |
7 | 2028 } |
1597 | 2029 if (l == 1 || l > todo) |
595 | 2030 { |
2031 /* Illegal byte. If we can try another encoding | |
1597 | 2032 * do that, unless at EOF where a truncated |
2033 * file is more likely than a conversion error. */ | |
2034 if (can_retry && !incomplete_tail) | |
595 | 2035 break; |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2036 #ifdef USE_ICONV |
595 | 2037 /* When we did a conversion report an error. */ |
2038 if (iconv_fd != (iconv_t)-1 && conv_error == 0) | |
2039 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
|
2040 #endif |
1597 | 2041 /* Remember the first linenr with an illegal byte */ |
2042 if (conv_error == 0 && illegal_byte == 0) | |
2043 illegal_byte = readfile_linenr(linecnt, ptr, p); | |
595 | 2044 |
2045 /* Drop, keep or replace the bad byte. */ | |
2046 if (bad_char_behavior == BAD_DROP) | |
2047 { | |
1597 | 2048 mch_memmove(p, p + 1, todo - 1); |
595 | 2049 --p; |
2050 --size; | |
2051 } | |
2052 else if (bad_char_behavior != BAD_KEEP) | |
2053 *p = bad_char_behavior; | |
2054 } | |
1597 | 2055 else |
2056 p += l - 1; | |
7 | 2057 } |
2058 } | |
1597 | 2059 if (p < ptr + size && !incomplete_tail) |
7 | 2060 { |
2061 /* Detected a UTF-8 error. */ | |
2062 rewind_retry: | |
595 | 2063 /* Retry reading with another conversion. */ |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2064 #if defined(FEAT_EVAL) && defined(USE_ICONV) |
595 | 2065 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1) |
2066 /* iconv() failed, try 'charconvert' */ | |
2067 did_iconv = TRUE; | |
7 | 2068 else |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2069 #endif |
595 | 2070 /* use next item from 'fileencodings' */ |
2071 advance_fenc = TRUE; | |
2072 file_rewind = TRUE; | |
2073 goto retry; | |
7 | 2074 } |
2075 } | |
2076 | |
2077 /* count the number of characters (after conversion!) */ | |
2078 filesize += size; | |
2079 | |
2080 /* | |
2081 * when reading the first part of a file: guess EOL type | |
2082 */ | |
2083 if (fileformat == EOL_UNKNOWN) | |
2084 { | |
2085 /* First try finding a NL, for Dos and Unix */ | |
2086 if (try_dos || try_unix) | |
2087 { | |
6635 | 2088 /* Reset the carriage return counter. */ |
2089 if (try_mac) | |
2090 try_mac = 1; | |
2091 | |
7 | 2092 for (p = ptr; p < ptr + size; ++p) |
2093 { | |
2094 if (*p == NL) | |
2095 { | |
2096 if (!try_unix | |
2097 || (try_dos && p > ptr && p[-1] == CAR)) | |
2098 fileformat = EOL_DOS; | |
2099 else | |
2100 fileformat = EOL_UNIX; | |
2101 break; | |
2102 } | |
6618 | 2103 else if (*p == CAR && try_mac) |
2104 try_mac++; | |
7 | 2105 } |
2106 | |
2107 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */ | |
2108 if (fileformat == EOL_UNIX && try_mac) | |
2109 { | |
2110 /* Need to reset the counters when retrying fenc. */ | |
2111 try_mac = 1; | |
2112 try_unix = 1; | |
2113 for (; p >= ptr && *p != CAR; p--) | |
2114 ; | |
2115 if (p >= ptr) | |
2116 { | |
2117 for (p = ptr; p < ptr + size; ++p) | |
2118 { | |
2119 if (*p == NL) | |
2120 try_unix++; | |
2121 else if (*p == CAR) | |
2122 try_mac++; | |
2123 } | |
2124 if (try_mac > try_unix) | |
2125 fileformat = EOL_MAC; | |
2126 } | |
2127 } | |
6618 | 2128 else if (fileformat == EOL_UNKNOWN && try_mac == 1) |
2129 /* Looking for CR but found no end-of-line markers at | |
2130 * all: use the default format. */ | |
2131 fileformat = default_fileformat(); | |
7 | 2132 } |
2133 | |
2134 /* No NL found: may use Mac format */ | |
2135 if (fileformat == EOL_UNKNOWN && try_mac) | |
2136 fileformat = EOL_MAC; | |
2137 | |
2138 /* Still nothing found? Use first format in 'ffs' */ | |
2139 if (fileformat == EOL_UNKNOWN) | |
2140 fileformat = default_fileformat(); | |
2141 | |
2142 /* if editing a new file: may set p_tx and p_ff */ | |
819 | 2143 if (set_options) |
7 | 2144 set_fileformat(fileformat, OPT_LOCAL); |
2145 } | |
2146 } | |
2147 | |
2148 /* | |
2149 * This loop is executed once for every character read. | |
2150 * Keep it fast! | |
2151 */ | |
2152 if (fileformat == EOL_MAC) | |
2153 { | |
2154 --ptr; | |
2155 while (++ptr, --size >= 0) | |
2156 { | |
2157 /* catch most common case first */ | |
2158 if ((c = *ptr) != NUL && c != CAR && c != NL) | |
2159 continue; | |
2160 if (c == NUL) | |
2161 *ptr = NL; /* NULs are replaced by newlines! */ | |
2162 else if (c == NL) | |
2163 *ptr = CAR; /* NLs are replaced by CRs! */ | |
2164 else | |
2165 { | |
2166 if (skip_count == 0) | |
2167 { | |
2168 *ptr = NUL; /* end of line */ | |
2169 len = (colnr_T) (ptr - line_start + 1); | |
2170 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2171 { | |
2172 error = TRUE; | |
2173 break; | |
2174 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2175 #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
|
2176 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
|
2177 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
|
2178 #endif |
7 | 2179 ++lnum; |
2180 if (--read_count == 0) | |
2181 { | |
2182 error = TRUE; /* break loop */ | |
2183 line_start = ptr; /* nothing left to write */ | |
2184 break; | |
2185 } | |
2186 } | |
2187 else | |
2188 --skip_count; | |
2189 line_start = ptr + 1; | |
2190 } | |
2191 } | |
2192 } | |
2193 else | |
2194 { | |
2195 --ptr; | |
2196 while (++ptr, --size >= 0) | |
2197 { | |
2198 if ((c = *ptr) != NUL && c != NL) /* catch most common case */ | |
2199 continue; | |
2200 if (c == NUL) | |
2201 *ptr = NL; /* NULs are replaced by newlines! */ | |
2202 else | |
2203 { | |
2204 if (skip_count == 0) | |
2205 { | |
2206 *ptr = NUL; /* end of line */ | |
2207 len = (colnr_T)(ptr - line_start + 1); | |
2208 if (fileformat == EOL_DOS) | |
2209 { | |
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
|
2210 if (ptr > line_start && ptr[-1] == CAR) |
7 | 2211 { |
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
|
2212 /* remove CR before NL */ |
7 | 2213 ptr[-1] = NUL; |
2214 --len; | |
2215 } | |
2216 /* | |
2217 * Reading in Dos format, but no CR-LF found! | |
2218 * When 'fileformats' includes "unix", delete all | |
2219 * the lines read so far and start all over again. | |
2220 * Otherwise give an error message later. | |
2221 */ | |
2222 else if (ff_error != EOL_DOS) | |
2223 { | |
2224 if ( try_unix | |
2225 && !read_stdin | |
2226 && (read_buffer | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
2227 || 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
|
2228 == 0)) |
7 | 2229 { |
2230 fileformat = EOL_UNIX; | |
819 | 2231 if (set_options) |
7 | 2232 set_fileformat(EOL_UNIX, OPT_LOCAL); |
2233 file_rewind = TRUE; | |
2234 keep_fileformat = TRUE; | |
2235 goto retry; | |
2236 } | |
2237 ff_error = EOL_DOS; | |
2238 } | |
2239 } | |
2240 if (ml_append(lnum, line_start, len, newfile) == FAIL) | |
2241 { | |
2242 error = TRUE; | |
2243 break; | |
2244 } | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2245 #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
|
2246 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
|
2247 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
|
2248 #endif |
7 | 2249 ++lnum; |
2250 if (--read_count == 0) | |
2251 { | |
2252 error = TRUE; /* break loop */ | |
2253 line_start = ptr; /* nothing left to write */ | |
2254 break; | |
2255 } | |
2256 } | |
2257 else | |
2258 --skip_count; | |
2259 line_start = ptr + 1; | |
2260 } | |
2261 } | |
2262 } | |
2263 linerest = (long)(ptr - line_start); | |
2264 ui_breakcheck(); | |
2265 } | |
2266 | |
2267 failed: | |
2268 /* not an error, max. number of lines reached */ | |
2269 if (error && read_count == 0) | |
2270 error = FALSE; | |
2271 | |
2272 /* | |
2273 * If we get EOF in the middle of a line, note the fact and | |
2274 * complete the line ourselves. | |
2275 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set. | |
2276 */ | |
2277 if (!error | |
2278 && !got_int | |
2279 && linerest != 0 | |
2280 && !(!curbuf->b_p_bin | |
2281 && fileformat == EOL_DOS | |
2282 && *line_start == Ctrl_Z | |
2283 && ptr == line_start + 1)) | |
2284 { | |
819 | 2285 /* remember for when writing */ |
2286 if (set_options) | |
7 | 2287 curbuf->b_p_eol = FALSE; |
2288 *ptr = NUL; | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2289 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
|
2290 if (ml_append(lnum, line_start, len, newfile) == FAIL) |
7 | 2291 error = TRUE; |
2292 else | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2293 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2294 #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
|
2295 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
|
2296 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
|
2297 #endif |
7 | 2298 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
|
2299 } |
7 | 2300 } |
2301 | |
819 | 2302 if (set_options) |
7 | 2303 save_file_ff(curbuf); /* remember the current file format */ |
2304 | |
2305 #ifdef FEAT_CRYPT | |
6122 | 2306 if (curbuf->b_cryptstate != NULL) |
2307 { | |
2308 crypt_free_state(curbuf->b_cryptstate); | |
2309 curbuf->b_cryptstate = NULL; | |
2310 } | |
2311 if (cryptkey != NULL && cryptkey != curbuf->b_p_key) | |
2312 crypt_free_key(cryptkey); | |
2313 /* Don't set cryptkey to NULL, it's used below as a flag that | |
2314 * encryption was used. */ | |
7 | 2315 #endif |
2316 | |
819 | 2317 /* If editing a new file: set 'fenc' for the current buffer. |
2318 * Also for ":read ++edit file". */ | |
2319 if (set_options) | |
7 | 2320 set_string_option_direct((char_u *)"fenc", -1, fenc, |
694 | 2321 OPT_FREE|OPT_LOCAL, 0); |
7 | 2322 if (fenc_alloced) |
2323 vim_free(fenc); | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2324 #ifdef USE_ICONV |
7 | 2325 if (iconv_fd != (iconv_t)-1) |
2326 iconv_close(iconv_fd); | |
2327 #endif | |
2328 | |
2329 if (!read_buffer && !read_stdin) | |
2330 close(fd); /* errors are ignored */ | |
2003 | 2331 #ifdef HAVE_FD_CLOEXEC |
2332 else | |
2333 { | |
2334 int fdflags = fcntl(fd, F_GETFD); | |
2335 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
|
2336 (void)fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC); |
2003 | 2337 } |
2338 #endif | |
7 | 2339 vim_free(buffer); |
2340 | |
2341 #ifdef HAVE_DUP | |
2342 if (read_stdin) | |
2343 { | |
2344 /* Use stderr for stdin, makes shell commands work. */ | |
2345 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
|
2346 vim_ignored = dup(2); |
7 | 2347 } |
2348 #endif | |
2349 | |
2350 if (tmpname != NULL) | |
2351 { | |
2352 mch_remove(tmpname); /* delete converted file */ | |
2353 vim_free(tmpname); | |
2354 } | |
2355 --no_wait_return; /* may wait for return now */ | |
2356 | |
2357 /* | |
2358 * In recovery mode everything but autocommands is skipped. | |
2359 */ | |
2360 if (!recoverymode) | |
2361 { | |
2362 /* need to delete the last line, which comes from the empty buffer */ | |
2363 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
2364 { | |
2365 #ifdef FEAT_NETBEANS_INTG | |
2366 netbeansFireChanges = 0; | |
2367 #endif | |
2368 ml_delete(curbuf->b_ml.ml_line_count, FALSE); | |
2369 #ifdef FEAT_NETBEANS_INTG | |
2370 netbeansFireChanges = 1; | |
2371 #endif | |
2372 --linecnt; | |
2373 } | |
2374 linecnt = curbuf->b_ml.ml_line_count - linecnt; | |
2375 if (filesize == 0) | |
2376 linecnt = 0; | |
2377 if (newfile || read_buffer) | |
1201 | 2378 { |
7 | 2379 redraw_curbuf_later(NOT_VALID); |
1201 | 2380 #ifdef FEAT_DIFF |
2381 /* After reading the text into the buffer the diff info needs to | |
2382 * be updated. */ | |
2383 diff_invalidate(curbuf); | |
2384 #endif | |
2385 #ifdef FEAT_FOLDING | |
2386 /* All folds in the window are invalid now. Mark them for update | |
2387 * before triggering autocommands. */ | |
2388 foldUpdateAll(curwin); | |
2389 #endif | |
2390 } | |
7 | 2391 else if (linecnt) /* appended at least one line */ |
2392 appended_lines_mark(from, linecnt); | |
2393 | |
2394 #ifndef ALWAYS_USE_GUI | |
2395 /* | |
2396 * If we were reading from the same terminal as where messages go, | |
2397 * the screen will have been messed up. | |
2398 * Switch on raw mode now and clear the screen. | |
2399 */ | |
2400 if (read_stdin) | |
2401 { | |
2402 settmode(TMODE_RAW); /* set to raw mode */ | |
2403 starttermcap(); | |
2404 screenclear(); | |
2405 } | |
2406 #endif | |
2407 | |
2408 if (got_int) | |
2409 { | |
2410 if (!(flags & READ_DUMMY)) | |
2411 { | |
2412 filemess(curbuf, sfname, (char_u *)_(e_interr), 0); | |
2413 if (newfile) | |
2414 curbuf->b_p_ro = TRUE; /* must use "w!" now */ | |
2415 } | |
2416 msg_scroll = msg_save; | |
2417 #ifdef FEAT_VIMINFO | |
2418 check_marks_read(); | |
2419 #endif | |
2420 return OK; /* an interrupt isn't really an error */ | |
2421 } | |
2422 | |
2423 if (!filtering && !(flags & READ_DUMMY)) | |
2424 { | |
2425 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */ | |
2426 c = FALSE; | |
2427 | |
2428 #ifdef UNIX | |
14509
80f715651c4c
patch 8.1.0268: file type checking has too many #ifdef
Christian Brabandt <cb@256bit.org>
parents:
14475
diff
changeset
|
2429 if (S_ISFIFO(perm)) /* fifo */ |
7 | 2430 { |
2431 STRCAT(IObuff, _("[fifo]")); | |
2432 c = TRUE; | |
2433 } | |
14509
80f715651c4c
patch 8.1.0268: file type checking has too many #ifdef
Christian Brabandt <cb@256bit.org>
parents:
14475
diff
changeset
|
2434 if (S_ISSOCK(perm)) /* or socket */ |
7 | 2435 { |
2436 STRCAT(IObuff, _("[socket]")); | |
2437 c = TRUE; | |
2438 } | |
1313 | 2439 # ifdef OPEN_CHR_FILES |
2440 if (S_ISCHR(perm)) /* or character special */ | |
2441 { | |
2442 STRCAT(IObuff, _("[character special]")); | |
2443 c = TRUE; | |
2444 } | |
2445 # endif | |
7 | 2446 #endif |
2447 if (curbuf->b_p_ro) | |
2448 { | |
2449 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]")); | |
2450 c = TRUE; | |
2451 } | |
2452 if (read_no_eol_lnum) | |
2453 { | |
2454 msg_add_eol(); | |
2455 c = TRUE; | |
2456 } | |
2457 if (ff_error == EOL_DOS) | |
2458 { | |
2459 STRCAT(IObuff, _("[CR missing]")); | |
2460 c = TRUE; | |
2461 } | |
2462 if (split) | |
2463 { | |
2464 STRCAT(IObuff, _("[long lines split]")); | |
2465 c = TRUE; | |
2466 } | |
2467 if (notconverted) | |
2468 { | |
2469 STRCAT(IObuff, _("[NOT converted]")); | |
2470 c = TRUE; | |
2471 } | |
2472 else if (converted) | |
2473 { | |
2474 STRCAT(IObuff, _("[converted]")); | |
2475 c = TRUE; | |
2476 } | |
2477 #ifdef FEAT_CRYPT | |
2478 if (cryptkey != NULL) | |
2479 { | |
6122 | 2480 crypt_append_msg(curbuf); |
7 | 2481 c = TRUE; |
2482 } | |
2483 #endif | |
595 | 2484 if (conv_error != 0) |
2485 { | |
2486 sprintf((char *)IObuff + STRLEN(IObuff), | |
2487 _("[CONVERSION ERROR in line %ld]"), (long)conv_error); | |
7 | 2488 c = TRUE; |
2489 } | |
2490 else if (illegal_byte > 0) | |
2491 { | |
2492 sprintf((char *)IObuff + STRLEN(IObuff), | |
2493 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte); | |
2494 c = TRUE; | |
2495 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2496 else if (error) |
7 | 2497 { |
2498 STRCAT(IObuff, _("[READ ERRORS]")); | |
2499 c = TRUE; | |
2500 } | |
2501 if (msg_add_fileformat(fileformat)) | |
2502 c = TRUE; | |
2503 #ifdef FEAT_CRYPT | |
2504 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
|
2505 msg_add_lines(c, (long)linecnt, filesize |
6122 | 2506 - crypt_get_header_len(crypt_get_method_nr(curbuf))); |
7 | 2507 else |
2508 #endif | |
2509 msg_add_lines(c, (long)linecnt, filesize); | |
2510 | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
2511 VIM_CLEAR(keep_msg); |
7 | 2512 msg_scrolled_ign = TRUE; |
2513 #ifdef ALWAYS_USE_GUI | |
2514 /* Don't show the message when reading stdin, it would end up in a | |
2515 * message box (which might be shown when exiting!) */ | |
2516 if (read_stdin || read_buffer) | |
2517 p = msg_may_trunc(FALSE, IObuff); | |
2518 else | |
2519 #endif | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
2520 p = (char_u *)msg_trunc_attr((char *)IObuff, FALSE, 0); |
7 | 2521 if (read_stdin || read_buffer || restart_edit != 0 |
540 | 2522 || (msg_scrolled != 0 && !need_wait_return)) |
7 | 2523 /* Need to repeat the message after redrawing when: |
2524 * - When reading from stdin (the screen will be cleared next). | |
2525 * - When restart_edit is set (otherwise there will be a delay | |
2526 * before redrawing). | |
2527 * - When the screen was scrolled but there is no wait-return | |
2528 * prompt. */ | |
679 | 2529 set_keep_msg(p, 0); |
7 | 2530 msg_scrolled_ign = FALSE; |
2531 } | |
2532 | |
2533 /* with errors writing the file requires ":w!" */ | |
2534 if (newfile && (error | |
595 | 2535 || conv_error != 0 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2536 || (illegal_byte > 0 && bad_char_behavior != BAD_KEEP))) |
7 | 2537 curbuf->b_p_ro = TRUE; |
2538 | |
2539 u_clearline(); /* cannot use "U" command after adding lines */ | |
2540 | |
2541 /* | |
2542 * In Ex mode: cursor at last new line. | |
2543 * Otherwise: cursor at first new line. | |
2544 */ | |
2545 if (exmode_active) | |
2546 curwin->w_cursor.lnum = from + linecnt; | |
2547 else | |
2548 curwin->w_cursor.lnum = from + 1; | |
2549 check_cursor_lnum(); | |
2550 beginline(BL_WHITE | BL_FIX); /* on first non-blank */ | |
2551 | |
2552 /* | |
2553 * Set '[ and '] marks to the newly read lines. | |
2554 */ | |
2555 curbuf->b_op_start.lnum = from + 1; | |
2556 curbuf->b_op_start.col = 0; | |
2557 curbuf->b_op_end.lnum = from + linecnt; | |
2558 curbuf->b_op_end.col = 0; | |
696 | 2559 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
2560 #ifdef MSWIN |
696 | 2561 /* |
2562 * Work around a weird problem: When a file has two links (only | |
2563 * possible on NTFS) and we write through one link, then stat() it | |
1651 | 2564 * through the other link, the timestamp information may be wrong. |
696 | 2565 * It's correct again after reading the file, thus reset the timestamp |
2566 * here. | |
2567 */ | |
2568 if (newfile && !read_stdin && !read_buffer | |
2569 && mch_stat((char *)fname, &st) >= 0) | |
2570 { | |
2571 buf_store_time(curbuf, &st, fname); | |
2572 curbuf->b_mtime_read = curbuf->b_mtime; | |
2573 } | |
2574 #endif | |
7 | 2575 } |
2576 msg_scroll = msg_save; | |
2577 | |
2578 #ifdef FEAT_VIMINFO | |
2579 /* | |
2580 * Get the marks before executing autocommands, so they can be used there. | |
2581 */ | |
2582 check_marks_read(); | |
2583 #endif | |
2584 | |
2585 /* | |
6933 | 2586 * We remember if the last line of the read didn't have |
2587 * an eol even when 'binary' is off, to support turning 'fixeol' off, | |
2588 * or writing the read again with 'binary' on. The latter is required | |
2589 * for ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work. | |
7 | 2590 */ |
2707 | 2591 curbuf->b_no_eol_lnum = read_no_eol_lnum; |
7 | 2592 |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2593 /* 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
|
2594 * different. */ |
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
2595 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
|
2596 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
|
2597 |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2598 #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
|
2599 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2600 * 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
|
2601 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2602 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
|
2603 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2604 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
|
2605 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2606 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
|
2607 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
|
2608 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2609 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2610 |
9828
e84e45786691
commit https://github.com/vim/vim/commit/f71d7b9ee5ceba75f70c30845332ddd728fd16c6
Christian Brabandt <cb@256bit.org>
parents:
9682
diff
changeset
|
2611 if (!read_stdin && !read_fifo && (!read_buffer || sfname != NULL)) |
7 | 2612 { |
2613 int m = msg_scroll; | |
2614 int n = msg_scrolled; | |
2615 | |
2616 /* Save the fileformat now, otherwise the buffer will be considered | |
2617 * modified if the format/encoding was automatically detected. */ | |
819 | 2618 if (set_options) |
7 | 2619 save_file_ff(curbuf); |
2620 | |
2621 /* | |
2622 * The output from the autocommands should not overwrite anything and | |
2623 * should not be overwritten: Set msg_scroll, restore its value if no | |
2624 * output was done. | |
2625 */ | |
2626 msg_scroll = TRUE; | |
2627 if (filtering) | |
2628 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname, | |
2629 FALSE, curbuf, eap); | |
9828
e84e45786691
commit https://github.com/vim/vim/commit/f71d7b9ee5ceba75f70c30845332ddd728fd16c6
Christian Brabandt <cb@256bit.org>
parents:
9682
diff
changeset
|
2630 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
|
2631 { |
7 | 2632 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname, |
2633 FALSE, curbuf, eap); | |
8937
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2634 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
|
2635 /* |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2636 * 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
|
2637 * 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
|
2638 */ |
da4f6e238374
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parents:
8212
diff
changeset
|
2639 apply_autocmds(EVENT_FILETYPE, curbuf->b_p_ft, curbuf->b_fname, |
da4f6e238374
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Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
2640 TRUE, curbuf); |
da4f6e238374
commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2641 } |
7 | 2642 else |
2643 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname, | |
2644 FALSE, NULL, eap); | |
2645 if (msg_scrolled == n) | |
2646 msg_scroll = m; | |
2707 | 2647 # ifdef FEAT_EVAL |
7 | 2648 if (aborting()) /* autocmds may abort script processing */ |
2649 return FAIL; | |
2707 | 2650 # endif |
2651 } | |
2652 | |
7 | 2653 if (recoverymode && error) |
2654 return FAIL; | |
2655 return OK; | |
2656 } | |
2657 | |
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parents:
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diff
changeset
|
2658 #if defined(OPEN_CHR_FILES) || defined(PROTO) |
1313 | 2659 /* |
2660 * Returns TRUE if the file name argument is of the form "/dev/fd/\d\+", | |
2661 * which is the name of files used for process substitution output by | |
2662 * some shells on some operating systems, e.g., bash on SunOS. | |
2663 * Do not accept "/dev/fd/[012]", opening these may hang Vim. | |
2664 */ | |
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diff
changeset
|
2665 int |
7819
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7801
diff
changeset
|
2666 is_dev_fd_file(char_u *fname) |
1313 | 2667 { |
2668 return (STRNCMP(fname, "/dev/fd/", 8) == 0 | |
2669 && VIM_ISDIGIT(fname[8]) | |
2670 && *skipdigits(fname + 9) == NUL | |
2671 && (fname[9] != NUL | |
2672 || (fname[8] != '0' && fname[8] != '1' && fname[8] != '2'))); | |
2673 } | |
2674 #endif | |
2675 | |
595 | 2676 /* |
2677 * From the current line count and characters read after that, estimate the | |
2678 * line number where we are now. | |
2679 * Used for error messages that include a line number. | |
2680 */ | |
2681 static linenr_T | |
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diff
changeset
|
2682 readfile_linenr( |
f86adafb28d4
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diff
changeset
|
2683 linenr_T linecnt, /* line count before reading more bytes */ |
f86adafb28d4
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diff
changeset
|
2684 char_u *p, /* start of more bytes read */ |
f86adafb28d4
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diff
changeset
|
2685 char_u *endp) /* end of more bytes read */ |
595 | 2686 { |
2687 char_u *s; | |
2688 linenr_T lnum; | |
2689 | |
2690 lnum = curbuf->b_ml.ml_line_count - linecnt + 1; | |
2691 for (s = p; s < endp; ++s) | |
2692 if (*s == '\n') | |
2693 ++lnum; | |
2694 return lnum; | |
2695 } | |
2696 | |
7 | 2697 /* |
612 | 2698 * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be |
2699 * equal to the buffer "buf". Used for calling readfile(). | |
7 | 2700 * Returns OK or FAIL. |
2701 */ | |
2702 int | |
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changeset
|
2703 prep_exarg(exarg_T *eap, buf_T *buf) |
7 | 2704 { |
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|
2705 eap->cmd = alloc(15 + (unsigned)STRLEN(buf->b_p_fenc)); |
7 | 2706 if (eap->cmd == NULL) |
2707 return FAIL; | |
2708 | |
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|
2709 sprintf((char *)eap->cmd, "e ++enc=%s", buf->b_p_fenc); |
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|
2710 eap->force_enc = 8; |
612 | 2711 eap->bad_char = buf->b_bad_char; |
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|
2712 eap->force_ff = *buf->b_p_ff; |
612 | 2713 |
2714 eap->force_bin = buf->b_p_bin ? FORCE_BIN : FORCE_NOBIN; | |
819 | 2715 eap->read_edit = FALSE; |
612 | 2716 eap->forceit = FALSE; |
7 | 2717 return OK; |
2718 } | |
2719 | |
5231
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2720 /* |
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2721 * Set default or forced 'fileformat' and 'binary'. |
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2722 */ |
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2723 void |
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changeset
|
2724 set_file_options(int set_options, exarg_T *eap) |
5231
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2725 { |
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|
2726 /* set default 'fileformat' */ |
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2727 if (set_options) |
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2728 { |
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2729 if (eap != NULL && eap->force_ff != 0) |
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2730 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL); |
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|
2731 else if (*p_ffs != NUL) |
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|
2732 set_fileformat(default_fileformat(), OPT_LOCAL); |
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2733 } |
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2734 |
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2735 /* set or reset 'binary' */ |
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2736 if (eap != NULL && eap->force_bin != 0) |
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2737 { |
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|
2738 int oldval = curbuf->b_p_bin; |
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2739 |
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2740 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN); |
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|
2741 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL); |
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2742 } |
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|
2743 } |
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2744 |
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|
2745 /* |
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2746 * Set forced 'fileencoding'. |
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2747 */ |
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|
2748 void |
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diff
changeset
|
2749 set_forced_fenc(exarg_T *eap) |
5231
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|
2750 { |
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|
2751 if (eap->force_enc != 0) |
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|
2752 { |
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|
2753 char_u *fenc = enc_canonize(eap->cmd + eap->force_enc); |
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|
2754 |
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|
2755 if (fenc != NULL) |
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diff
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|
2756 set_string_option_direct((char_u *)"fenc", -1, |
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|
2757 fenc, OPT_FREE|OPT_LOCAL, 0); |
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|
2758 vim_free(fenc); |
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|
2759 } |
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|
2760 } |
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|
2761 |
7 | 2762 /* |
2763 * Find next fileencoding to use from 'fileencodings'. | |
2764 * "pp" points to fenc_next. It's advanced to the next item. | |
2765 * When there are no more items, an empty string is returned and *pp is set to | |
2766 * NULL. | |
2767 * When *pp is not set to NULL, the result is in allocated memory. | |
2768 */ | |
2769 static char_u * | |
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diff
changeset
|
2770 next_fenc(char_u **pp) |
7 | 2771 { |
2772 char_u *p; | |
2773 char_u *r; | |
2774 | |
2775 if (**pp == NUL) | |
2776 { | |
2777 *pp = NULL; | |
2778 return (char_u *)""; | |
2779 } | |
2780 p = vim_strchr(*pp, ','); | |
2781 if (p == NULL) | |
2782 { | |
2783 r = enc_canonize(*pp); | |
2784 *pp += STRLEN(*pp); | |
2785 } | |
2786 else | |
2787 { | |
2788 r = vim_strnsave(*pp, (int)(p - *pp)); | |
2789 *pp = p + 1; | |
2790 if (r != NULL) | |
2791 { | |
2792 p = enc_canonize(r); | |
2793 vim_free(r); | |
2794 r = p; | |
2795 } | |
2796 } | |
2797 if (r == NULL) /* out of memory */ | |
2798 { | |
2799 r = (char_u *)""; | |
2800 *pp = NULL; | |
2801 } | |
2802 return r; | |
2803 } | |
2804 | |
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diff
changeset
|
2805 #ifdef FEAT_EVAL |
7 | 2806 /* |
2807 * Convert a file with the 'charconvert' expression. | |
2808 * This closes the file which is to be read, converts it and opens the | |
2809 * resulting file for reading. | |
2810 * Returns name of the resulting converted file (the caller should delete it | |
2811 * after reading it). | |
2812 * Returns NULL if the conversion failed ("*fdp" is not set) . | |
2813 */ | |
2814 static char_u * | |
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diff
changeset
|
2815 readfile_charconvert( |
f86adafb28d4
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diff
changeset
|
2816 char_u *fname, /* name of input file */ |
f86adafb28d4
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diff
changeset
|
2817 char_u *fenc, /* converted from */ |
f86adafb28d4
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parents:
7801
diff
changeset
|
2818 int *fdp) /* in/out: file descriptor of file */ |
7 | 2819 { |
2820 char_u *tmpname; | |
15543
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diff
changeset
|
2821 char *errmsg = NULL; |
7 | 2822 |
6721 | 2823 tmpname = vim_tempname('r', FALSE); |
7 | 2824 if (tmpname == NULL) |
15543
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diff
changeset
|
2825 errmsg = _("Can't find temp file for conversion"); |
7 | 2826 else |
2827 { | |
2828 close(*fdp); /* close the input file, ignore errors */ | |
2829 *fdp = -1; | |
2830 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc, | |
2831 fname, tmpname) == FAIL) | |
15543
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parents:
15531
diff
changeset
|
2832 errmsg = _("Conversion with 'charconvert' failed"); |
7 | 2833 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname, |
2834 O_RDONLY | O_EXTRA, 0)) < 0) | |
15543
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parents:
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diff
changeset
|
2835 errmsg = _("can't read output of 'charconvert'"); |
7 | 2836 } |
2837 | |
2838 if (errmsg != NULL) | |
2839 { | |
2840 /* Don't use emsg(), it breaks mappings, the retry with | |
2841 * another type of conversion might still work. */ | |
15543
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diff
changeset
|
2842 msg(errmsg); |
7 | 2843 if (tmpname != NULL) |
2844 { | |
2845 mch_remove(tmpname); /* delete converted file */ | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
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parents:
13240
diff
changeset
|
2846 VIM_CLEAR(tmpname); |
7 | 2847 } |
2848 } | |
2849 | |
2850 /* If the input file is closed, open it (caller should check for error). */ | |
2851 if (*fdp < 0) | |
2852 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
2853 | |
2854 return tmpname; | |
2855 } | |
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|
2856 #endif |
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changeset
|
2857 |
7 | 2858 |
2859 #ifdef FEAT_VIMINFO | |
2860 /* | |
2861 * Read marks for the current buffer from the viminfo file, when we support | |
2862 * buffer marks and the buffer has a name. | |
2863 */ | |
2864 static void | |
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diff
changeset
|
2865 check_marks_read(void) |
7 | 2866 { |
2867 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0 | |
2868 && curbuf->b_ffname != NULL) | |
1733 | 2869 read_viminfo(NULL, VIF_WANT_MARKS); |
7 | 2870 |
2871 /* Always set b_marks_read; needed when 'viminfo' is changed to include | |
2872 * the ' parameter after opening a buffer. */ | |
2873 curbuf->b_marks_read = TRUE; | |
2874 } | |
2875 #endif | |
2876 | |
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732cb7b31956
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2238
diff
changeset
|
2877 #if defined(FEAT_CRYPT) || defined(PROTO) |
7 | 2878 /* |
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diff
changeset
|
2879 * Check for magic number used for encryption. Applies to the current buffer. |
7 | 2880 * If found, the magic number is removed from ptr[*sizep] and *sizep and |
2881 * *filesizep are updated. | |
2882 * Return the (new) encryption key, NULL for no encryption. | |
2883 */ | |
2884 static char_u * | |
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diff
changeset
|
2885 check_for_cryptkey( |
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2886 char_u *cryptkey, /* previous encryption key or NULL */ |
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2887 char_u *ptr, /* pointer to read bytes */ |
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2888 long *sizep, /* length of read bytes */ |
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2889 off_T *filesizep, /* nr of bytes used from file */ |
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2890 int newfile, /* editing a new buffer */ |
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2891 char_u *fname, /* file name to display */ |
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changeset
|
2892 int *did_ask) /* flag: whether already asked for key */ |
7 | 2893 { |
6122 | 2894 int method = crypt_method_nr_from_magic((char *)ptr, *sizep); |
5312 | 2895 int b_p_ro = curbuf->b_p_ro; |
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2896 |
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|
2897 if (method >= 0) |
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|
2898 { |
5312 | 2899 /* Mark the buffer as read-only until the decryption has taken place. |
2900 * Avoids accidentally overwriting the file with garbage. */ | |
2901 curbuf->b_p_ro = TRUE; | |
2902 | |
6130 | 2903 /* Set the cryptmethod local to the buffer. */ |
6122 | 2904 crypt_set_cm_option(curbuf, method); |
2204
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2905 if (cryptkey == NULL && !*did_ask) |
7 | 2906 { |
2907 if (*curbuf->b_p_key) | |
2908 cryptkey = curbuf->b_p_key; | |
2909 else | |
2910 { | |
2180
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2911 /* When newfile is TRUE, store the typed key in the 'key' |
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2912 * option and don't free it. bf needs hash of the key saved. |
2204
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2913 * Don't ask for the key again when first time Enter was hit. |
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2914 * 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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changeset
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2915 smsg(_(need_key_msg), fname); |
2267 | 2916 msg_scroll = TRUE; |
6353 | 2917 crypt_check_method(method); |
6122 | 2918 cryptkey = crypt_get_key(newfile, FALSE); |
2204
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2919 *did_ask = TRUE; |
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2920 |
7 | 2921 /* check if empty key entered */ |
2922 if (cryptkey != NULL && *cryptkey == NUL) | |
2923 { | |
2924 if (cryptkey != curbuf->b_p_key) | |
2925 vim_free(cryptkey); | |
2926 cryptkey = NULL; | |
2927 } | |
2928 } | |
2929 } | |
2930 | |
2931 if (cryptkey != NULL) | |
2932 { | |
6122 | 2933 int header_len; |
2934 | |
2935 curbuf->b_cryptstate = crypt_create_from_header( | |
2936 method, cryptkey, ptr); | |
2937 crypt_set_cm_option(curbuf, method); | |
2938 | |
2939 /* Remove cryptmethod specific header from the text. */ | |
2940 header_len = crypt_get_header_len(method); | |
10221
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2941 if (*sizep <= header_len) |
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2942 /* invalid header, buffer can't be encrypted */ |
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2943 return NULL; |
6122 | 2944 *filesizep += header_len; |
2945 *sizep -= header_len; | |
2946 mch_memmove(ptr, ptr + header_len, (size_t)*sizep); | |
2947 | |
5312 | 2948 /* Restore the read-only flag. */ |
2949 curbuf->b_p_ro = b_p_ro; | |
2180
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2950 } |
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2951 } |
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2952 /* When starting to edit a new file which does not have encryption, clear |
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2953 * the 'key' option, except when starting up (called with -x argument) */ |
2410
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2954 else if (newfile && *curbuf->b_p_key != NUL && !starting) |
7 | 2955 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL); |
2956 | |
2957 return cryptkey; | |
2958 } | |
2265
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2959 #endif /* FEAT_CRYPT */ |
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2960 |
7 | 2961 #ifdef UNIX |
2962 static void | |
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2963 set_file_time( |
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2964 char_u *fname, |
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2965 time_t atime, /* access time */ |
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2966 time_t mtime) /* modification time */ |
7 | 2967 { |
2968 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H) | |
2969 struct utimbuf buf; | |
2970 | |
2971 buf.actime = atime; | |
2972 buf.modtime = mtime; | |
2973 (void)utime((char *)fname, &buf); | |
2974 # else | |
2975 # if defined(HAVE_UTIMES) | |
2976 struct timeval tvp[2]; | |
2977 | |
2978 tvp[0].tv_sec = atime; | |
2979 tvp[0].tv_usec = 0; | |
2980 tvp[1].tv_sec = mtime; | |
2981 tvp[1].tv_usec = 0; | |
2982 # ifdef NeXT | |
2983 (void)utimes((char *)fname, tvp); | |
2984 # else | |
2985 (void)utimes((char *)fname, (const struct timeval *)&tvp); | |
2986 # endif | |
2987 # endif | |
2988 # endif | |
2989 } | |
2990 #endif /* UNIX */ | |
2991 | |
22 | 2992 #if defined(VMS) && !defined(MIN) |
2993 /* Older DECC compiler for VAX doesn't define MIN() */ | |
2994 # define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
2995 #endif | |
2996 | |
7 | 2997 /* |
1303 | 2998 * Return TRUE if a file appears to be read-only from the file permissions. |
2999 */ | |
3000 int | |
7819
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3001 check_file_readonly( |
f86adafb28d4
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3002 char_u *fname, /* full path to file */ |
f86adafb28d4
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3003 int perm) /* known permissions on file */ |
1303 | 3004 { |
3005 #ifndef USE_MCH_ACCESS | |
3006 int fd = 0; | |
3007 #endif | |
3008 | |
3009 return ( | |
3010 #ifdef USE_MCH_ACCESS | |
3011 # ifdef UNIX | |
3012 (perm & 0222) == 0 || | |
3013 # endif | |
3014 mch_access((char *)fname, W_OK) | |
3015 #else | |
3016 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 | |
3017 ? TRUE : (close(fd), FALSE) | |
3018 #endif | |
3019 ); | |
3020 } | |
3021 | |
3022 | |
3023 /* | |
589 | 3024 * buf_write() - write to file "fname" lines "start" through "end" |
7 | 3025 * |
3026 * We do our own buffering here because fwrite() is so slow. | |
3027 * | |
589 | 3028 * If "forceit" is true, we don't care for errors when attempting backups. |
3029 * In case of an error everything possible is done to restore the original | |
1698 | 3030 * file. But when "forceit" is TRUE, we risk losing it. |
589 | 3031 * |
3032 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and | |
3033 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed. | |
7 | 3034 * |
3035 * This function must NOT use NameBuff (because it's called by autowrite()). | |
3036 * | |
3037 * return FAIL for failure, OK otherwise | |
3038 */ | |
3039 int | |
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|
3040 buf_write( |
f86adafb28d4
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3041 buf_T *buf, |
f86adafb28d4
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3042 char_u *fname, |
f86adafb28d4
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3043 char_u *sfname, |
f86adafb28d4
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|
3044 linenr_T start, |
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3045 linenr_T end, |
f86adafb28d4
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3046 exarg_T *eap, /* for forced 'ff' and 'fenc', can be |
7 | 3047 NULL! */ |
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3048 int append, /* append to the file */ |
f86adafb28d4
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|
3049 int forceit, |
f86adafb28d4
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|
3050 int reset_changed, |
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
3051 int filtering) |
7 | 3052 { |
3053 int fd; | |
3054 char_u *backup = NULL; | |
3055 int backup_copy = FALSE; /* copy the original file? */ | |
3056 int dobackup; | |
3057 char_u *ffname; | |
3058 char_u *wfname = NULL; /* name of file to write to */ | |
3059 char_u *s; | |
3060 char_u *ptr; | |
3061 char_u c; | |
3062 int len; | |
3063 linenr_T lnum; | |
3064 long nchars; | |
3065 char_u *errmsg = NULL; | |
1947 | 3066 int errmsg_allocated = FALSE; |
7 | 3067 char_u *errnum = NULL; |
3068 char_u *buffer; | |
3069 char_u smallbuf[SMBUFSIZE]; | |
3070 char_u *backup_ext; | |
3071 int bufsize; | |
3072 long perm; /* file permissions */ | |
3073 int retval = OK; | |
3074 int newfile = FALSE; /* TRUE if file doesn't exist yet */ | |
3075 int msg_save = msg_scroll; | |
3076 int overwriting; /* TRUE if writing over original */ | |
3077 int no_eol = FALSE; /* no end-of-line written */ | |
3078 int device = FALSE; /* writing to a device */ | |
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|
3079 stat_T st_old; |
7 | 3080 int prev_got_int = got_int; |
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11325
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changeset
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3081 int checking_conversion; |
7 | 3082 int file_readonly = FALSE; /* overwritten file is read-only */ |
3083 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')"; | |
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diff
changeset
|
3084 #if defined(UNIX) /*XXX fix me sometime? */ |
7 | 3085 int made_writable = FALSE; /* 'w' bit has been set */ |
3086 #endif | |
3087 /* writing everything */ | |
3088 int whole = (start == 1 && end == buf->b_ml.ml_line_count); | |
3089 linenr_T old_line_count = buf->b_ml.ml_line_count; | |
3090 int attr; | |
3091 int fileformat; | |
3092 int write_bin; | |
3093 struct bw_info write_info; /* info for buf_write_bytes() */ | |
3094 int converted = FALSE; | |
3095 int notconverted = FALSE; | |
3096 char_u *fenc; /* effective 'fileencoding' */ | |
3097 char_u *fenc_tofree = NULL; /* allocated "fenc" */ | |
3098 #ifdef HAS_BW_FLAGS | |
3099 int wb_flags = 0; | |
3100 #endif | |
3101 #ifdef HAVE_ACL | |
3102 vim_acl_T acl = NULL; /* ACL copied from original file to | |
3103 backup or new file */ | |
3104 #endif | |
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3105 #ifdef FEAT_PERSISTENT_UNDO |
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3106 int write_undo_file = FALSE; |
f8222d1f9a73
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changeset
|
3107 context_sha256_T sha_ctx; |
f8222d1f9a73
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|
3108 #endif |
6243 | 3109 unsigned int bkc = get_bkc_value(buf); |
7 | 3110 |
3111 if (fname == NULL || *fname == NUL) /* safety check */ | |
3112 return FAIL; | |
2028 | 3113 if (buf->b_ml.ml_mfp == NULL) |
3114 { | |
3115 /* This can happen during startup when there is a stray "w" in the | |
3116 * vimrc file. */ | |
15470
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patch 8.1.0743: giving error messages is not flexible
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changeset
|
3117 emsg(_(e_emptybuf)); |
2028 | 3118 return FAIL; |
3119 } | |
7 | 3120 |
3121 /* | |
3122 * Disallow writing from .exrc and .vimrc in current directory for | |
3123 * security reasons. | |
3124 */ | |
3125 if (check_secure()) | |
3126 return FAIL; | |
3127 | |
3128 /* Avoid a crash for a long name. */ | |
3129 if (STRLEN(fname) >= MAXPATHL) | |
3130 { | |
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patch 8.1.0743: giving error messages is not flexible
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diff
changeset
|
3131 emsg(_(e_longname)); |
7 | 3132 return FAIL; |
3133 } | |
3134 | |
3135 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */ | |
3136 write_info.bw_conv_buf = NULL; | |
3137 write_info.bw_conv_error = FALSE; | |
1947 | 3138 write_info.bw_conv_error_lnum = 0; |
7 | 3139 write_info.bw_restlen = 0; |
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changeset
|
3140 #ifdef USE_ICONV |
7 | 3141 write_info.bw_iconv_fd = (iconv_t)-1; |
3142 #endif | |
6122 | 3143 #ifdef FEAT_CRYPT |
3144 write_info.bw_buffer = buf; | |
3145 #endif | |
7 | 3146 |
167 | 3147 /* After writing a file changedtick changes but we don't want to display |
3148 * the line. */ | |
3149 ex_no_reprint = TRUE; | |
3150 | |
7 | 3151 /* |
3152 * If there is no file name yet, use the one for the written file. | |
3153 * BF_NOTEDITED is set to reflect this (in case the write fails). | |
3154 * Don't do this when the write is for a filter command. | |
589 | 3155 * Don't do this when appending. |
3156 * Only do this when 'cpoptions' contains the 'F' flag. | |
7 | 3157 */ |
633 | 3158 if (buf->b_ffname == NULL |
3159 && reset_changed | |
7 | 3160 && whole |
3161 && buf == curbuf | |
236 | 3162 #ifdef FEAT_QUICKFIX |
3163 && !bt_nofile(buf) | |
3164 #endif | |
7 | 3165 && !filtering |
589 | 3166 && (!append || vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL) |
7 | 3167 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL) |
3168 { | |
633 | 3169 if (set_rw_fname(fname, sfname) == FAIL) |
7 | 3170 return FAIL; |
633 | 3171 buf = curbuf; /* just in case autocmds made "buf" invalid */ |
7 | 3172 } |
3173 | |
3174 if (sfname == NULL) | |
3175 sfname = fname; | |
3176 /* | |
3177 * For Unix: Use the short file name whenever possible. | |
3178 * Avoids problems with networks and when directory names are changed. | |
3179 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to | |
3180 * another directory, which we don't detect | |
3181 */ | |
3182 ffname = fname; /* remember full fname */ | |
3183 #ifdef UNIX | |
3184 fname = sfname; | |
3185 #endif | |
3186 | |
3187 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0) | |
3188 overwriting = TRUE; | |
3189 else | |
3190 overwriting = FALSE; | |
3191 | |
3192 if (exiting) | |
4352 | 3193 settmode(TMODE_COOK); /* when exiting allow typeahead now */ |
7 | 3194 |
3195 ++no_wait_return; /* don't wait for return yet */ | |
3196 | |
3197 /* | |
3198 * Set '[ and '] marks to the lines to be written. | |
3199 */ | |
3200 buf->b_op_start.lnum = start; | |
3201 buf->b_op_start.col = 0; | |
3202 buf->b_op_end.lnum = end; | |
3203 buf->b_op_end.col = 0; | |
3204 | |
3205 { | |
3206 aco_save_T aco; | |
3207 int buf_ffname = FALSE; | |
3208 int buf_sfname = FALSE; | |
3209 int buf_fname_f = FALSE; | |
3210 int buf_fname_s = FALSE; | |
3211 int did_cmd = FALSE; | |
17 | 3212 int nofile_err = FALSE; |
161 | 3213 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
|
3214 bufref_T bufref; |
7 | 3215 |
3216 /* | |
4352 | 3217 * Apply PRE autocommands. |
7 | 3218 * Set curbuf to the buffer to be written. |
3219 * Careful: The autocommands may call buf_write() recursively! | |
3220 */ | |
3221 if (ffname == buf->b_ffname) | |
3222 buf_ffname = TRUE; | |
3223 if (sfname == buf->b_sfname) | |
3224 buf_sfname = TRUE; | |
3225 if (fname == buf->b_ffname) | |
3226 buf_fname_f = TRUE; | |
3227 if (fname == buf->b_sfname) | |
3228 buf_fname_s = TRUE; | |
3229 | |
3230 /* set curwin/curbuf to buf and save a few things */ | |
3231 aucmd_prepbuf(&aco, buf); | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
3232 set_bufref(&bufref, buf); |
7 | 3233 |
3234 if (append) | |
3235 { | |
3236 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD, | |
3237 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3238 { |
635 | 3239 #ifdef FEAT_QUICKFIX |
18 | 3240 if (overwriting && bt_nofile(curbuf)) |
17 | 3241 nofile_err = TRUE; |
3242 else | |
635 | 3243 #endif |
17 | 3244 apply_autocmds_exarg(EVENT_FILEAPPENDPRE, |
7 | 3245 sfname, sfname, FALSE, curbuf, eap); |
17 | 3246 } |
7 | 3247 } |
3248 else if (filtering) | |
3249 { | |
3250 apply_autocmds_exarg(EVENT_FILTERWRITEPRE, | |
3251 NULL, sfname, FALSE, curbuf, eap); | |
3252 } | |
3253 else if (reset_changed && whole) | |
3254 { | |
3036 | 3255 int was_changed = curbufIsChanged(); |
3256 | |
3257 did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD, | |
3258 sfname, sfname, FALSE, curbuf, eap); | |
3259 if (did_cmd) | |
3260 { | |
3261 if (was_changed && !curbufIsChanged()) | |
3262 { | |
3263 /* Written everything correctly and BufWriteCmd has reset | |
3264 * 'modified': Correct the undo information so that an | |
3265 * undo now sets 'modified'. */ | |
3266 u_unchanged(curbuf); | |
3267 u_update_save_nr(curbuf); | |
3268 } | |
3269 } | |
3270 else | |
17 | 3271 { |
635 | 3272 #ifdef FEAT_QUICKFIX |
179 | 3273 if (overwriting && bt_nofile(curbuf)) |
17 | 3274 nofile_err = TRUE; |
3275 else | |
635 | 3276 #endif |
17 | 3277 apply_autocmds_exarg(EVENT_BUFWRITEPRE, |
7 | 3278 sfname, sfname, FALSE, curbuf, eap); |
17 | 3279 } |
7 | 3280 } |
3281 else | |
3282 { | |
3283 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD, | |
3284 sfname, sfname, FALSE, curbuf, eap))) | |
17 | 3285 { |
635 | 3286 #ifdef FEAT_QUICKFIX |
179 | 3287 if (overwriting && bt_nofile(curbuf)) |
17 | 3288 nofile_err = TRUE; |
3289 else | |
635 | 3290 #endif |
17 | 3291 apply_autocmds_exarg(EVENT_FILEWRITEPRE, |
7 | 3292 sfname, sfname, FALSE, curbuf, eap); |
17 | 3293 } |
7 | 3294 } |
3295 | |
3296 /* restore curwin/curbuf and a few other things */ | |
3297 aucmd_restbuf(&aco); | |
3298 | |
3299 /* | |
3300 * In three situations we return here and don't write the file: | |
3301 * 1. the autocommands deleted or unloaded the buffer. | |
3302 * 2. The autocommands abort script processing. | |
3303 * 3. If one of the "Cmd" autocommands was executed. | |
3304 */ | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
3305 if (!bufref_valid(&bufref)) |
7 | 3306 buf = NULL; |
161 | 3307 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) |
532 | 3308 || did_cmd || nofile_err |
3309 #ifdef FEAT_EVAL | |
3310 || aborting() | |
3311 #endif | |
3312 ) | |
7 | 3313 { |
3314 --no_wait_return; | |
3315 msg_scroll = msg_save; | |
17 | 3316 if (nofile_err) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
3317 emsg(_("E676: No matching autocommands for acwrite buffer")); |
17 | 3318 |
532 | 3319 if (nofile_err |
3320 #ifdef FEAT_EVAL | |
3321 || aborting() | |
3322 #endif | |
3323 ) | |
7 | 3324 /* An aborting error, interrupt or exception in the |
3325 * autocommands. */ | |
3326 return FAIL; | |
3327 if (did_cmd) | |
3328 { | |
3329 if (buf == NULL) | |
3330 /* The buffer was deleted. We assume it was written | |
3331 * (can't retry anyway). */ | |
3332 return OK; | |
3333 if (overwriting) | |
3334 { | |
3335 /* Assume the buffer was written, update the timestamp. */ | |
3336 ml_timestamp(buf); | |
589 | 3337 if (append) |
3338 buf->b_flags &= ~BF_NEW; | |
3339 else | |
3340 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 3341 } |
589 | 3342 if (reset_changed && buf->b_changed && !append |
39 | 3343 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
7 | 3344 /* Buffer still changed, the autocommands didn't work |
3345 * properly. */ | |
3346 return FAIL; | |
3347 return OK; | |
3348 } | |
3349 #ifdef FEAT_EVAL | |
3350 if (!aborting()) | |
3351 #endif | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
3352 emsg(_("E203: Autocommands deleted or unloaded buffer to be written")); |
7 | 3353 return FAIL; |
3354 } | |
3355 | |
3356 /* | |
3357 * The autocommands may have changed the number of lines in the file. | |
3358 * When writing the whole file, adjust the end. | |
3359 * When writing part of the file, assume that the autocommands only | |
3360 * changed the number of lines that are to be written (tricky!). | |
3361 */ | |
3362 if (buf->b_ml.ml_line_count != old_line_count) | |
3363 { | |
3364 if (whole) /* write all */ | |
3365 end = buf->b_ml.ml_line_count; | |
3366 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */ | |
3367 end += buf->b_ml.ml_line_count - old_line_count; | |
3368 else /* less lines */ | |
3369 { | |
3370 end -= old_line_count - buf->b_ml.ml_line_count; | |
3371 if (end < start) | |
3372 { | |
3373 --no_wait_return; | |
3374 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
|
3375 emsg(_("E204: Autocommand changed number of lines in unexpected way")); |
7 | 3376 return FAIL; |
3377 } | |
3378 } | |
3379 } | |
3380 | |
3381 /* | |
3382 * The autocommands may have changed the name of the buffer, which may | |
3383 * be kept in fname, ffname and sfname. | |
3384 */ | |
3385 if (buf_ffname) | |
3386 ffname = buf->b_ffname; | |
3387 if (buf_sfname) | |
3388 sfname = buf->b_sfname; | |
3389 if (buf_fname_f) | |
3390 fname = buf->b_ffname; | |
3391 if (buf_fname_s) | |
3392 fname = buf->b_sfname; | |
3393 } | |
3394 | |
3395 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3396 if (netbeans_active() && isNetbeansBuffer(buf)) |
7 | 3397 { |
3398 if (whole) | |
3399 { | |
3400 /* | |
3401 * b_changed can be 0 after an undo, but we still need to write | |
3402 * the buffer to NetBeans. | |
3403 */ | |
3404 if (buf->b_changed || isNetbeansModified(buf)) | |
3405 { | |
33 | 3406 --no_wait_return; /* may wait for return now */ |
3407 msg_scroll = msg_save; | |
3408 netbeans_save_buffer(buf); /* no error checking... */ | |
7 | 3409 return retval; |
3410 } | |
3411 else | |
3412 { | |
3413 errnum = (char_u *)"E656: "; | |
1653 | 3414 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers"); |
7 | 3415 buffer = NULL; |
3416 goto fail; | |
3417 } | |
3418 } | |
3419 else | |
3420 { | |
3421 errnum = (char_u *)"E657: "; | |
3422 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers"); | |
3423 buffer = NULL; | |
3424 goto fail; | |
3425 } | |
3426 } | |
3427 #endif | |
3428 | |
3429 if (shortmess(SHM_OVER) && !exiting) | |
3430 msg_scroll = FALSE; /* overwrite previous file message */ | |
3431 else | |
3432 msg_scroll = TRUE; /* don't overwrite previous file message */ | |
3433 if (!filtering) | |
3434 filemess(buf, | |
3435 #ifndef UNIX | |
3436 sfname, | |
3437 #else | |
3438 fname, | |
3439 #endif | |
3440 (char_u *)"", 0); /* show that we are busy */ | |
3441 msg_scroll = FALSE; /* always overwrite the file message now */ | |
3442 | |
3443 buffer = alloc(BUFSIZE); | |
3444 if (buffer == NULL) /* can't allocate big buffer, use small | |
3445 * one (to be able to write when out of | |
3446 * memory) */ | |
3447 { | |
3448 buffer = smallbuf; | |
3449 bufsize = SMBUFSIZE; | |
3450 } | |
3451 else | |
3452 bufsize = BUFSIZE; | |
3453 | |
3454 /* | |
3455 * Get information about original file (if there is one). | |
3456 */ | |
7410
08e62c4fc17d
commit https://github.com/vim/vim/commit/53076830fea6df737455523f7e235bfe4f79864d
Christian Brabandt <cb@256bit.org>
parents:
7408
diff
changeset
|
3457 #if defined(UNIX) |
1438 | 3458 st_old.st_dev = 0; |
3459 st_old.st_ino = 0; | |
7 | 3460 perm = -1; |
3461 if (mch_stat((char *)fname, &st_old) < 0) | |
3462 newfile = TRUE; | |
3463 else | |
3464 { | |
3465 perm = st_old.st_mode; | |
3466 if (!S_ISREG(st_old.st_mode)) /* not a file */ | |
3467 { | |
3468 if (S_ISDIR(st_old.st_mode)) | |
3469 { | |
3470 errnum = (char_u *)"E502: "; | |
3471 errmsg = (char_u *)_("is a directory"); | |
3472 goto fail; | |
3473 } | |
3474 if (mch_nodetype(fname) != NODE_WRITABLE) | |
3475 { | |
3476 errnum = (char_u *)"E503: "; | |
3477 errmsg = (char_u *)_("is not a file or writable device"); | |
3478 goto fail; | |
3479 } | |
3480 /* It's a device of some kind (or a fifo) which we can write to | |
3481 * but for which we can't make a backup. */ | |
3482 device = TRUE; | |
3483 newfile = TRUE; | |
3484 perm = -1; | |
3485 } | |
3486 } | |
3487 #else /* !UNIX */ | |
3488 /* | |
3489 * Check for a writable device name. | |
3490 */ | |
3491 c = mch_nodetype(fname); | |
3492 if (c == NODE_OTHER) | |
3493 { | |
3494 errnum = (char_u *)"E503: "; | |
3495 errmsg = (char_u *)_("is not a file or writable device"); | |
3496 goto fail; | |
3497 } | |
3498 if (c == NODE_WRITABLE) | |
3499 { | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3500 # if defined(MSWIN) |
1004 | 3501 /* MS-Windows allows opening a device, but we will probably get stuck |
3502 * trying to write to it. */ | |
3503 if (!p_odev) | |
3504 { | |
3505 errnum = (char_u *)"E796: "; | |
3506 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option"); | |
3507 goto fail; | |
3508 } | |
3509 # endif | |
7 | 3510 device = TRUE; |
3511 newfile = TRUE; | |
3512 perm = -1; | |
3513 } | |
3514 else | |
3515 { | |
3516 perm = mch_getperm(fname); | |
3517 if (perm < 0) | |
3518 newfile = TRUE; | |
3519 else if (mch_isdir(fname)) | |
3520 { | |
3521 errnum = (char_u *)"E502: "; | |
3522 errmsg = (char_u *)_("is a directory"); | |
3523 goto fail; | |
3524 } | |
3525 if (overwriting) | |
3526 (void)mch_stat((char *)fname, &st_old); | |
3527 } | |
3528 #endif /* !UNIX */ | |
3529 | |
3530 if (!device && !newfile) | |
3531 { | |
3532 /* | |
3533 * Check if the file is really writable (when renaming the file to | |
3534 * make a backup we won't discover it later). | |
3535 */ | |
1303 | 3536 file_readonly = check_file_readonly(fname, (int)perm); |
3537 | |
7 | 3538 if (!forceit && file_readonly) |
3539 { | |
3540 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
3541 { | |
3542 errnum = (char_u *)"E504: "; | |
3543 errmsg = (char_u *)_(err_readonly); | |
3544 } | |
3545 else | |
3546 { | |
3547 errnum = (char_u *)"E505: "; | |
3548 errmsg = (char_u *)_("is read-only (add ! to override)"); | |
3549 } | |
3550 goto fail; | |
3551 } | |
3552 | |
3553 /* | |
3554 * Check if the timestamp hasn't changed since reading the file. | |
3555 */ | |
3556 if (overwriting) | |
3557 { | |
3558 retval = check_mtime(buf, &st_old); | |
3559 if (retval == FAIL) | |
3560 goto fail; | |
3561 } | |
3562 } | |
3563 | |
3564 #ifdef HAVE_ACL | |
3565 /* | |
3566 * For systems that support ACL: get the ACL from the original file. | |
3567 */ | |
3568 if (!newfile) | |
3569 acl = mch_get_acl(fname); | |
3570 #endif | |
3571 | |
3572 /* | |
3573 * If 'backupskip' is not empty, don't make a backup for some files. | |
3574 */ | |
3575 dobackup = (p_wb || p_bk || *p_pm != NUL); | |
3576 #ifdef FEAT_WILDIGN | |
3577 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname)) | |
3578 dobackup = FALSE; | |
3579 #endif | |
3580 | |
3581 /* | |
3582 * Save the value of got_int and reset it. We don't want a previous | |
3583 * interruption cancel writing, only hitting CTRL-C while writing should | |
3584 * abort it. | |
3585 */ | |
3586 prev_got_int = got_int; | |
3587 got_int = FALSE; | |
3588 | |
3589 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */ | |
3590 buf->b_saving = TRUE; | |
3591 | |
3592 /* | |
3593 * If we are not appending or filtering, the file exists, and the | |
3594 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup. | |
3595 * When 'patchmode' is set also make a backup when appending. | |
3596 * | |
3597 * Do not make any backup, if 'writebackup' and 'backup' are both switched | |
3598 * off. This helps when editing large files on almost-full disks. | |
3599 */ | |
3600 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup) | |
3601 { | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3602 #if defined(UNIX) || defined(MSWIN) |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
3603 stat_T st; |
7 | 3604 #endif |
3605 | |
6243 | 3606 if ((bkc & BKC_YES) || append) /* "yes" */ |
7 | 3607 backup_copy = TRUE; |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3608 #if defined(UNIX) || defined(MSWIN) |
6243 | 3609 else if ((bkc & BKC_AUTO)) /* "auto" */ |
7 | 3610 { |
3611 int i; | |
3612 | |
3613 # ifdef UNIX | |
3614 /* | |
3615 * Don't rename the file when: | |
3616 * - it's a hard link | |
3617 * - it's a symbolic link | |
3618 * - we don't have write permission in the directory | |
3619 * - we can't set the owner/group of the new file | |
3620 */ | |
3621 if (st_old.st_nlink > 1 | |
3622 || mch_lstat((char *)fname, &st) < 0 | |
3623 || st.st_dev != st_old.st_dev | |
557 | 3624 || st.st_ino != st_old.st_ino |
3625 # ifndef HAVE_FCHOWN | |
3626 || st.st_uid != st_old.st_uid | |
3627 || st.st_gid != st_old.st_gid | |
3628 # endif | |
3629 ) | |
7 | 3630 backup_copy = TRUE; |
3631 else | |
696 | 3632 # else |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3633 # ifdef MSWIN |
696 | 3634 /* On NTFS file systems hard links are possible. */ |
3635 if (mch_is_linked(fname)) | |
3636 backup_copy = TRUE; | |
3637 else | |
3638 # endif | |
7 | 3639 # endif |
3640 { | |
3641 /* | |
3642 * Check if we can create a file and set the owner/group to | |
3643 * the ones from the original file. | |
3644 * First find a file name that doesn't exist yet (use some | |
3645 * arbitrary numbers). | |
3646 */ | |
3647 STRCPY(IObuff, fname); | |
3648 for (i = 4913; ; i += 123) | |
3649 { | |
3650 sprintf((char *)gettail(IObuff), "%d", i); | |
557 | 3651 if (mch_lstat((char *)IObuff, &st) < 0) |
7 | 3652 break; |
3653 } | |
557 | 3654 fd = mch_open((char *)IObuff, |
3655 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); | |
7 | 3656 if (fd < 0) /* can't write in directory */ |
3657 backup_copy = TRUE; | |
3658 else | |
3659 { | |
3660 # ifdef UNIX | |
557 | 3661 # 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
|
3662 vim_ignored = fchown(fd, st_old.st_uid, st_old.st_gid); |
557 | 3663 # endif |
7 | 3664 if (mch_stat((char *)IObuff, &st) < 0 |
3665 || st.st_uid != st_old.st_uid | |
3666 || st.st_gid != st_old.st_gid | |
1877 | 3667 || (long)st.st_mode != perm) |
7 | 3668 backup_copy = TRUE; |
3669 # endif | |
567 | 3670 /* Close the file before removing it, on MS-Windows we |
3671 * can't delete an open file. */ | |
3672 close(fd); | |
7 | 3673 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
|
3674 # 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
|
3675 /* 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
|
3676 * 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
|
3677 * second. */ |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3678 { |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3679 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
|
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 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
|
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 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
|
3684 break; |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3685 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
|
3686 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
|
3687 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3688 } |
0dffdd8f8871
Fixed: on MS-Windows sometimes files with number 4913 or higher are left
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
3689 # endif |
7 | 3690 } |
3691 } | |
3692 } | |
3693 | |
3694 /* | |
3695 * Break symlinks and/or hardlinks if we've been asked to. | |
3696 */ | |
6243 | 3697 if ((bkc & BKC_BREAKSYMLINK) || (bkc & BKC_BREAKHARDLINK)) |
7 | 3698 { |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3699 # ifdef UNIX |
7 | 3700 int lstat_res; |
3701 | |
3702 lstat_res = mch_lstat((char *)fname, &st); | |
3703 | |
3704 /* Symlinks. */ | |
6243 | 3705 if ((bkc & BKC_BREAKSYMLINK) |
7 | 3706 && lstat_res == 0 |
3707 && st.st_ino != st_old.st_ino) | |
3708 backup_copy = FALSE; | |
3709 | |
3710 /* Hardlinks. */ | |
6243 | 3711 if ((bkc & BKC_BREAKHARDLINK) |
7 | 3712 && st_old.st_nlink > 1 |
3713 && (lstat_res != 0 || st.st_ino == st_old.st_ino)) | |
3714 backup_copy = FALSE; | |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3715 # else |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3716 # if defined(MSWIN) |
4872
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3717 /* Symlinks. */ |
6243 | 3718 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
|
3719 backup_copy = FALSE; |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3720 |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3721 /* Hardlinks. */ |
6243 | 3722 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
|
3723 backup_copy = FALSE; |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3724 # endif |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3725 # endif |
fa98c2b030ed
updated for version 7.3.1182
Bram Moolenaar <bram@vim.org>
parents:
4861
diff
changeset
|
3726 } |
7 | 3727 |
3728 #endif | |
3729 | |
3730 /* make sure we have a valid backup extension to use */ | |
3731 if (*p_bex == NUL) | |
3732 backup_ext = (char_u *)".bak"; | |
3733 else | |
3734 backup_ext = p_bex; | |
3735 | |
3736 if (backup_copy | |
3737 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) | |
3738 { | |
3739 int bfd; | |
3740 char_u *copybuf, *wp; | |
3741 int some_error = FALSE; | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
3742 stat_T st_new; |
7 | 3743 char_u *dirp; |
3744 char_u *rootname; | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3745 #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
|
3746 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
|
3747 #endif |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3748 #if defined(UNIX) |
7 | 3749 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
|
3750 mode_t umask_save; |
7 | 3751 #endif |
3752 | |
3753 copybuf = alloc(BUFSIZE + 1); | |
3754 if (copybuf == NULL) | |
3755 { | |
3756 some_error = TRUE; /* out of memory */ | |
3757 goto nobackup; | |
3758 } | |
3759 | |
3760 /* | |
3761 * Try to make the backup in each directory in the 'bdir' option. | |
3762 * | |
3763 * Unix semantics has it, that we may have a writable file, | |
3764 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g: | |
3765 * - the directory is not writable, | |
3766 * - the file may be a symbolic link, | |
3767 * - the file may belong to another user/group, etc. | |
3768 * | |
3769 * For these reasons, the existing writable file must be truncated | |
3770 * and reused. Creation of a backup COPY will be attempted. | |
3771 */ | |
3772 dirp = p_bdir; | |
3773 while (*dirp) | |
3774 { | |
3775 #ifdef UNIX | |
3776 st_new.st_ino = 0; | |
3777 st_new.st_dev = 0; | |
3778 st_new.st_gid = 0; | |
3779 #endif | |
3780 | |
3781 /* | |
3782 * Isolate one directory name, using an entry in 'bdir'. | |
3783 */ | |
3784 (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
|
3785 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
3786 #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
|
3787 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
|
3788 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
|
3789 // 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
|
3790 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
|
3791 { |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3792 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
|
3793 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
|
3794 } |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3795 #endif |
7 | 3796 rootname = get_file_in_dir(fname, copybuf); |
3797 if (rootname == NULL) | |
3798 { | |
3799 some_error = TRUE; /* out of memory */ | |
3800 goto nobackup; | |
3801 } | |
3802 | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
3803 #if defined(UNIX) |
7 | 3804 did_set_shortname = FALSE; |
3805 #endif | |
3806 | |
3807 /* | |
3808 * May try twice if 'shortname' not set. | |
3809 */ | |
3810 for (;;) | |
3811 { | |
3812 /* | |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
3813 * Make the backup file name. |
7 | 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 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
|
3816 backup = buf_modname((buf->b_p_sn || buf->b_shortname), |
7 | 3817 rootname, backup_ext, FALSE); |
3818 if (backup == NULL) | |
3819 { | |
3820 vim_free(rootname); | |
3821 some_error = TRUE; /* out of memory */ | |
3822 goto nobackup; | |
3823 } | |
3824 | |
3825 /* | |
3826 * Check if backup file already exists. | |
3827 */ | |
3828 if (mch_stat((char *)backup, &st_new) >= 0) | |
3829 { | |
3830 #ifdef UNIX | |
3831 /* | |
3832 * Check if backup file is same as original file. | |
3833 * May happen when modname() gave the same file back. | |
3834 * E.g. silly link, or file name-length reached. | |
3835 * If we don't check here, we either ruin the file | |
3836 * when copying or erase it after writing. jw. | |
3837 */ | |
3838 if (st_new.st_dev == st_old.st_dev | |
3839 && st_new.st_ino == st_old.st_ino) | |
3840 { | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
3841 VIM_CLEAR(backup); /* no backup file to delete */ |
7 | 3842 /* |
3843 * may try again with 'shortname' set | |
3844 */ | |
3845 if (!(buf->b_shortname || buf->b_p_sn)) | |
3846 { | |
3847 buf->b_shortname = TRUE; | |
3848 did_set_shortname = TRUE; | |
3849 continue; | |
3850 } | |
3851 /* setting shortname didn't help */ | |
3852 if (did_set_shortname) | |
3853 buf->b_shortname = FALSE; | |
3854 break; | |
3855 } | |
3856 #endif | |
3857 | |
3858 /* | |
3859 * If we are not going to keep the backup file, don't | |
3860 * delete an existing one, try to use another name. | |
3861 * Change one character, just before the extension. | |
3862 */ | |
3863 if (!p_bk) | |
3864 { | |
3865 wp = backup + STRLEN(backup) - 1 | |
3866 - STRLEN(backup_ext); | |
3867 if (wp < backup) /* empty file name ??? */ | |
3868 wp = backup; | |
3869 *wp = 'z'; | |
3870 while (*wp > 'a' | |
3871 && mch_stat((char *)backup, &st_new) >= 0) | |
3872 --*wp; | |
3873 /* They all exist??? Must be something wrong. */ | |
3874 if (*wp == 'a') | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
3875 VIM_CLEAR(backup); |
7 | 3876 } |
3877 } | |
3878 break; | |
3879 } | |
3880 vim_free(rootname); | |
3881 | |
3882 /* | |
3883 * Try to create the backup file | |
3884 */ | |
3885 if (backup != NULL) | |
3886 { | |
3887 /* remove old backup, if present */ | |
3888 mch_remove(backup); | |
3889 /* 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
|
3890 * 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
|
3891 * 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
|
3892 #ifdef UNIX |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3893 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
|
3894 #endif |
7 | 3895 bfd = mch_open((char *)backup, |
557 | 3896 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW, |
3897 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
|
3898 #ifdef UNIX |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3899 (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
|
3900 #endif |
7 | 3901 if (bfd < 0) |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
3902 VIM_CLEAR(backup); |
7 | 3903 else |
3904 { | |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3905 /* 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
|
3906 * 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
|
3907 * above. */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
3908 #ifndef UNIX |
7 | 3909 (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
|
3910 #else |
7 | 3911 /* |
3912 * Try to set the group of the backup same as the | |
3913 * original file. If this fails, set the protection | |
3914 * bits for the group same as the protection bits for | |
3915 * others. | |
3916 */ | |
557 | 3917 if (st_new.st_gid != st_old.st_gid |
7 | 3918 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
557 | 3919 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0 |
7 | 3920 # endif |
3921 ) | |
3922 mch_setperm(backup, | |
3923 (perm & 0707) | ((perm & 07) << 3)); | |
5788 | 3924 # if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
1583 | 3925 mch_copy_sec(fname, backup); |
3926 # endif | |
7 | 3927 #endif |
3928 | |
3929 /* | |
3930 * copy the file. | |
3931 */ | |
3932 write_info.bw_fd = bfd; | |
3933 write_info.bw_buf = copybuf; | |
3934 #ifdef HAS_BW_FLAGS | |
3935 write_info.bw_flags = FIO_NOCONVERT; | |
3936 #endif | |
2664 | 3937 while ((write_info.bw_len = read_eintr(fd, copybuf, |
7 | 3938 BUFSIZE)) > 0) |
3939 { | |
3940 if (buf_write_bytes(&write_info) == FAIL) | |
3941 { | |
3942 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)"); | |
3943 break; | |
3944 } | |
3945 ui_breakcheck(); | |
3946 if (got_int) | |
3947 { | |
3948 errmsg = (char_u *)_(e_interr); | |
3949 break; | |
3950 } | |
3951 } | |
3952 | |
3953 if (close(bfd) < 0 && errmsg == NULL) | |
3954 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)"); | |
3955 if (write_info.bw_len < 0) | |
3956 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)"); | |
3957 #ifdef UNIX | |
3958 set_file_time(backup, st_old.st_atime, st_old.st_mtime); | |
3959 #endif | |
3960 #ifdef HAVE_ACL | |
3961 mch_set_acl(backup, acl); | |
3962 #endif | |
5788 | 3963 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
1583 | 3964 mch_copy_sec(fname, backup); |
3965 #endif | |
7 | 3966 break; |
3967 } | |
3968 } | |
3969 } | |
3970 nobackup: | |
3971 close(fd); /* ignore errors for closing read file */ | |
3972 vim_free(copybuf); | |
3973 | |
3974 if (backup == NULL && errmsg == NULL) | |
3975 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)"); | |
3976 /* ignore errors when forceit is TRUE */ | |
3977 if ((some_error || errmsg != NULL) && !forceit) | |
3978 { | |
3979 retval = FAIL; | |
3980 goto fail; | |
3981 } | |
3982 errmsg = NULL; | |
3983 } | |
3984 else | |
3985 { | |
3986 char_u *dirp; | |
3987 char_u *p; | |
3988 char_u *rootname; | |
3989 | |
3990 /* | |
3991 * Make a backup by renaming the original file. | |
3992 */ | |
3993 /* | |
3994 * If 'cpoptions' includes the "W" flag, we don't want to | |
3995 * overwrite a read-only file. But rename may be possible | |
3996 * anyway, thus we need an extra check here. | |
3997 */ | |
3998 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) | |
3999 { | |
4000 errnum = (char_u *)"E504: "; | |
4001 errmsg = (char_u *)_(err_readonly); | |
4002 goto fail; | |
4003 } | |
4004 | |
4005 /* | |
4006 * | |
4007 * Form the backup file name - change path/fo.o.h to | |
4008 * path/fo.o.h.bak Try all directories in 'backupdir', first one | |
4009 * that works is used. | |
4010 */ | |
4011 dirp = p_bdir; | |
4012 while (*dirp) | |
4013 { | |
4014 /* | |
4015 * Isolate one directory name and make the backup file name. | |
4016 */ | |
4017 (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
|
4018 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
4019 #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
|
4020 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
|
4021 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
|
4022 // 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
|
4023 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
|
4024 { |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4025 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
|
4026 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
|
4027 } |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4028 #endif |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4029 if (backup == NULL) |
7 | 4030 { |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4031 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
|
4032 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
|
4033 backup = NULL; |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4034 else |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4035 { |
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
4036 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
|
4037 (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
|
4038 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
|
4039 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
|
4040 } |
7 | 4041 } |
4042 | |
4043 if (backup != NULL) | |
4044 { | |
4045 /* | |
4046 * If we are not going to keep the backup file, don't | |
4047 * delete an existing one, try to use another name. | |
4048 * Change one character, just before the extension. | |
4049 */ | |
4050 if (!p_bk && mch_getperm(backup) >= 0) | |
4051 { | |
4052 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext); | |
4053 if (p < backup) /* empty file name ??? */ | |
4054 p = backup; | |
4055 *p = 'z'; | |
4056 while (*p > 'a' && mch_getperm(backup) >= 0) | |
4057 --*p; | |
4058 /* They all exist??? Must be something wrong! */ | |
4059 if (*p == 'a') | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
4060 VIM_CLEAR(backup); |
7 | 4061 } |
4062 } | |
4063 if (backup != NULL) | |
4064 { | |
4065 /* | |
531 | 4066 * Delete any existing backup and move the current version |
4067 * to the backup. For safety, we don't remove the backup | |
4068 * until the write has finished successfully. And if the | |
4069 * 'backup' option is set, leave it around. | |
7 | 4070 */ |
4071 /* | |
4072 * If the renaming of the original file to the backup file | |
4073 * works, quit here. | |
4074 */ | |
4075 if (vim_rename(fname, backup) == 0) | |
4076 break; | |
4077 | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
4078 VIM_CLEAR(backup); /* don't do the rename below */ |
7 | 4079 } |
4080 } | |
4081 if (backup == NULL && !forceit) | |
4082 { | |
4083 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)"); | |
4084 goto fail; | |
4085 } | |
4086 } | |
4087 } | |
4088 | |
7410
08e62c4fc17d
commit https://github.com/vim/vim/commit/53076830fea6df737455523f7e235bfe4f79864d
Christian Brabandt <cb@256bit.org>
parents:
7408
diff
changeset
|
4089 #if defined(UNIX) |
7 | 4090 /* When using ":w!" and the file was read-only: make it writable */ |
4091 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid() | |
4092 && vim_strchr(p_cpo, CPO_FWRITE) == NULL) | |
4093 { | |
4094 perm |= 0200; | |
4095 (void)mch_setperm(fname, perm); | |
4096 made_writable = TRUE; | |
4097 } | |
4098 #endif | |
4099 | |
819 | 4100 /* When using ":w!" and writing to the current file, 'readonly' makes no |
164 | 4101 * sense, reset it, unless 'Z' appears in 'cpoptions'. */ |
4102 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL) | |
7 | 4103 { |
4104 buf->b_p_ro = FALSE; | |
4105 #ifdef FEAT_TITLE | |
4106 need_maketitle = TRUE; /* set window title later */ | |
4107 #endif | |
4108 status_redraw_all(); /* redraw status lines later */ | |
4109 } | |
4110 | |
4111 if (end > buf->b_ml.ml_line_count) | |
4112 end = buf->b_ml.ml_line_count; | |
4113 if (buf->b_ml.ml_flags & ML_EMPTY) | |
4114 start = end + 1; | |
4115 | |
4116 /* | |
4117 * If the original file is being overwritten, there is a small chance that | |
4118 * we crash in the middle of writing. Therefore the file is preserved now. | |
4119 * This makes all block numbers positive so that recovery does not need | |
4120 * the original file. | |
4121 * Don't do this if there is a backup file and we are exiting. | |
4122 */ | |
39 | 4123 if (reset_changed && !newfile && overwriting |
7 | 4124 && !(exiting && backup != NULL)) |
4125 { | |
4126 ml_preserve(buf, FALSE); | |
4127 if (got_int) | |
4128 { | |
4129 errmsg = (char_u *)_(e_interr); | |
4130 goto restore_backup; | |
4131 } | |
4132 } | |
4133 | |
4134 #ifdef VMS | |
4135 vms_remove_version(fname); /* remove version */ | |
4136 #endif | |
1651 | 4137 /* Default: write the file directly. May write to a temp file for |
7 | 4138 * multi-byte conversion. */ |
4139 wfname = fname; | |
4140 | |
4141 /* Check for forced 'fileencoding' from "++opt=val" argument. */ | |
4142 if (eap != NULL && eap->force_enc != 0) | |
4143 { | |
4144 fenc = eap->cmd + eap->force_enc; | |
4145 fenc = enc_canonize(fenc); | |
4146 fenc_tofree = fenc; | |
4147 } | |
4148 else | |
4149 fenc = buf->b_p_fenc; | |
4150 | |
4151 /* | |
1948 | 4152 * Check if the file needs to be converted. |
7 | 4153 */ |
1948 | 4154 converted = need_conversion(fenc); |
7 | 4155 |
4156 /* | |
4157 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or | |
4158 * Latin1 to Unicode conversion. This is handled in buf_write_bytes(). | |
4159 * Prepare the flags for it and allocate bw_conv_buf when needed. | |
4160 */ | |
4161 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0)) | |
4162 { | |
4163 wb_flags = get_fio_flags(fenc); | |
4164 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8)) | |
4165 { | |
4166 /* Need to allocate a buffer to translate into. */ | |
4167 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8)) | |
4168 write_info.bw_conv_buflen = bufsize * 2; | |
4169 else /* FIO_UCS4 */ | |
4170 write_info.bw_conv_buflen = bufsize * 4; | |
4171 write_info.bw_conv_buf | |
4172 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4173 if (write_info.bw_conv_buf == NULL) | |
4174 end = 0; | |
4175 } | |
4176 } | |
4177 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
4178 #ifdef MSWIN |
7 | 4179 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0) |
4180 { | |
4181 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */ | |
4182 write_info.bw_conv_buflen = bufsize * 4; | |
4183 write_info.bw_conv_buf | |
4184 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4185 if (write_info.bw_conv_buf == NULL) | |
4186 end = 0; | |
4187 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4188 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4189 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4190 #ifdef MACOS_CONVERT |
7 | 4191 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0) |
4192 { | |
4193 write_info.bw_conv_buflen = bufsize * 3; | |
4194 write_info.bw_conv_buf | |
4195 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4196 if (write_info.bw_conv_buf == NULL) | |
4197 end = 0; | |
4198 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4199 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4200 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4201 #if defined(FEAT_EVAL) || defined(USE_ICONV) |
7 | 4202 if (converted && wb_flags == 0) |
4203 { | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4204 # ifdef USE_ICONV |
7 | 4205 /* |
4206 * Use iconv() conversion when conversion is needed and it's not done | |
4207 * internally. | |
4208 */ | |
4209 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc, | |
4210 enc_utf8 ? (char_u *)"utf-8" : p_enc); | |
4211 if (write_info.bw_iconv_fd != (iconv_t)-1) | |
4212 { | |
4213 /* We're going to use iconv(), allocate a buffer to convert in. */ | |
4214 write_info.bw_conv_buflen = bufsize * ICONV_MULT; | |
4215 write_info.bw_conv_buf | |
4216 = lalloc((long_u)write_info.bw_conv_buflen, TRUE); | |
4217 if (write_info.bw_conv_buf == NULL) | |
4218 end = 0; | |
4219 write_info.bw_first = TRUE; | |
4220 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4221 # ifdef FEAT_EVAL |
7 | 4222 else |
4223 # endif | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4224 # endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4225 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4226 # ifdef FEAT_EVAL |
7 | 4227 /* |
4228 * When the file needs to be converted with 'charconvert' after | |
4229 * writing, write to a temp file instead and let the conversion | |
4230 * overwrite the original file. | |
4231 */ | |
4232 if (*p_ccv != NUL) | |
4233 { | |
6721 | 4234 wfname = vim_tempname('w', FALSE); |
7 | 4235 if (wfname == NULL) /* Can't write without a tempfile! */ |
4236 { | |
4237 errmsg = (char_u *)_("E214: Can't find temp file for writing"); | |
4238 goto restore_backup; | |
4239 } | |
4240 } | |
4241 # endif | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4242 } |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4243 #endif |
7 | 4244 if (converted && wb_flags == 0 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4245 #ifdef USE_ICONV |
7 | 4246 && 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
|
4247 # endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4248 # ifdef FEAT_EVAL |
7 | 4249 && wfname == fname |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4250 # endif |
7 | 4251 ) |
4252 { | |
4253 if (!forceit) | |
4254 { | |
4255 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)"); | |
4256 goto restore_backup; | |
4257 } | |
4258 notconverted = TRUE; | |
4259 } | |
4260 | |
4261 /* | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4262 * 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
|
4263 * 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
|
4264 * When not doing conversion this writes for real right away. |
7 | 4265 */ |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4266 for (checking_conversion = TRUE; ; checking_conversion = FALSE) |
7 | 4267 { |
4268 /* | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4269 * 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
|
4270 * - 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
|
4271 * - 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
|
4272 * failure. |
7 | 4273 */ |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4274 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
|
4275 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
|
4276 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4277 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
|
4278 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4279 /* 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
|
4280 fd = -1; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4281 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
|
4282 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4283 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4284 { |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4285 #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
|
4286 # 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
|
4287 #else |
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 O_TRUNC |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4289 #endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4290 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4291 * 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
|
4292 * 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
|
4293 * 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
|
4294 * 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
|
4295 * 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
|
4296 * 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
|
4297 * 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
|
4298 * FALSE. |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4299 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4300 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
|
4301 ? (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
|
4302 : (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
|
4303 , 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
|
4304 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4305 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4306 * 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
|
4307 * 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
|
4308 * 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
|
4309 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4310 if (errmsg == NULL) |
7 | 4311 { |
4312 #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
|
4313 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
|
4314 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4315 /* 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
|
4316 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4317 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
|
4318 || (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
|
4319 && (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
|
4320 || 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
|
4321 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
|
4322 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4323 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4324 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4325 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
|
4326 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
|
4327 && perm >= 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4328 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4329 #ifdef UNIX |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4330 /* 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
|
4331 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
|
4332 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
|
4333 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
|
4334 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 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
|
4336 || 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
|
4337 perm &= 0777; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4338 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4339 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
|
4340 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
|
4341 continue; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4342 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4343 } |
7 | 4344 } |
4345 | |
4346 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
|
4347 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4348 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
|
4349 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4350 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4351 * 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
|
4352 * 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
|
4353 * 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
|
4354 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4355 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
|
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_copy) |
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 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4360 * 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
|
4361 * 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
|
4362 * 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
|
4363 * 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
|
4364 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4365 /* 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
|
4366 * place */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4367 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
|
4368 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
|
4369 /* 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
|
4370 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4371 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
|
4372 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
|
4373 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4374 else |
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 /* 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
|
4377 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
|
4378 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4379 } |
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 /* 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
|
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 (!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
|
4384 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4385 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4386 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4387 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
|
4388 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
|
4389 goto fail; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4390 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4391 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
|
4392 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4393 #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
|
4394 { |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4395 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
|
4396 |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4397 /* 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
|
4398 * any changes. */ |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4399 if (overwriting |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4400 && (!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
|
4401 && fname == wfname |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4402 && perm >= 0 |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4403 && 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
|
4404 && 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
|
4405 { |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4406 close(fd); |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4407 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
|
4408 goto fail; |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4409 } |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4410 } |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4411 #endif |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4412 #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
|
4413 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
|
4414 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
|
4415 #endif |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4416 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
4417 #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
|
4418 if (backup != NULL && overwriting && !append) |
7 | 4419 { |
4420 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
|
4421 (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
|
4422 else |
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(backup, wfname); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4424 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4425 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4426 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
|
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 (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
|
4429 (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
|
4430 /* 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
|
4431 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4432 #endif |
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 #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
|
4435 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
|
4436 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4437 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
|
4438 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
|
4439 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4440 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
|
4441 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
|
4442 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
|
4443 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
|
4444 end = 0; |
7 | 4445 else |
4446 { | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4447 /* 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
|
4448 * 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
|
4449 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
|
4450 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
|
4451 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
|
4452 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
|
4453 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4454 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
|
4455 vim_free(header); |
7 | 4456 } |
4457 } | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4458 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4459 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4460 errmsg = NULL; |
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 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
|
4463 nchars = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4464 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4465 /* 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
|
4466 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
|
4467 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
|
4468 else |
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 = buf->b_p_bin; |
7 | 4470 |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4471 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4472 * 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
|
4473 * 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
|
4474 * 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
|
4475 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4476 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
|
4477 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4478 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
|
4479 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
|
4480 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4481 /* 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
|
4482 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
|
4483 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
|
4484 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4485 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4486 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
|
4487 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4488 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4489 write_info.bw_start_lnum = start; |
7 | 4490 |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4491 #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
|
4492 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
|
4493 && overwriting |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4494 && !append |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4495 && !filtering |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4496 && reset_changed |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4497 && !checking_conversion); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4498 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
|
4499 /* 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
|
4500 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
|
4501 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4502 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4503 write_info.bw_len = bufsize; |
7 | 4504 #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
|
4505 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
|
4506 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4507 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
|
4508 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4509 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4510 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
|
4511 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4512 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4513 * 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
|
4514 * 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
|
4515 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4516 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
|
4517 #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
|
4518 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
|
4519 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
|
4520 (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
|
4521 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4522 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
|
4523 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4524 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
|
4525 *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
|
4526 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
|
4527 *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
|
4528 else |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4529 *s = c; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4530 ++s; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4531 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
|
4532 continue; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4533 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
|
4534 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4535 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
|
4536 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4537 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4538 nchars += bufsize; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4539 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4540 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4541 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
|
4542 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4543 /* 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
|
4544 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
|
4545 || (lnum == end |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4546 && (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
|
4547 && (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
|
4548 || (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
|
4549 && !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
|
4550 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4551 ++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
|
4552 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
|
4553 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4554 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4555 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
|
4556 *s++ = NL; |
7 | 4557 else |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4558 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4559 *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
|
4560 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
|
4561 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4562 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
|
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 (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
|
4565 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4566 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
|
4567 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4568 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4569 nchars += bufsize; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4570 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4571 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4572 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4573 *s++ = NL; |
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 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4576 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
|
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 (buf_write_bytes(&write_info) == FAIL) |
7 | 4579 { |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4580 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
|
4581 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4582 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4583 nchars += bufsize; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4584 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4585 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4586 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4587 ui_breakcheck(); |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4588 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
|
4589 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4590 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
|
4591 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4592 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4593 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4594 #ifdef VMS |
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 * 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
|
4597 * 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
|
4598 * 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
|
4599 * 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
|
4600 * 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
|
4601 * 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
|
4602 * 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
|
4603 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4604 if (buf->b_fab_rfm == FAB$C_VFC |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4605 || ((buf->b_fab_rat & (FAB$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
|
4606 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4607 int b2write; |
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 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
|
4610 ? 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
|
4611 : 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
|
4612 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4613 b2write = len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4614 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
|
4615 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4616 write_info.bw_len = MIN(b2write, buf->b_fab_mrs); |
7 | 4617 if (buf_write_bytes(&write_info) == FAIL) |
4618 { | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4619 end = 0; |
7 | 4620 break; |
4621 } | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4622 b2write -= MIN(b2write, buf->b_fab_mrs); |
7 | 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 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
|
4625 nchars += len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4626 s = buffer; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4627 len = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4628 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4629 #endif |
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 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
|
4632 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4633 write_info.bw_len = len; |
7 | 4634 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
|
4635 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
|
4636 nchars += len; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4637 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4638 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4639 /* 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
|
4640 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
|
4641 break; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4642 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4643 /* 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
|
4644 * 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
|
4645 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4646 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4647 /* 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
|
4648 * encountered. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4649 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
|
4650 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4651 #if defined(UNIX) && defined(HAVE_FSYNC) |
7 | 4652 /* |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4653 * 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
|
4654 * 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
|
4655 * 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
|
4656 * 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
|
4657 * 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
|
4658 * 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
|
4659 * 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
|
4660 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. |
7 | 4661 */ |
15816
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
4662 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
|
4663 { |
12857
ffdf2e4b5d9a
patch 8.0.1305: writefile() never calls fsync()
Christian Brabandt <cb@256bit.org>
parents:
12847
diff
changeset
|
4664 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
|
4665 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4666 } |
7 | 4667 #endif |
4668 | |
5788 | 4669 #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
diff
changeset
|
4670 /* 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>
parents:
11325
diff
changeset
|
4671 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
|
4672 mch_copy_sec(backup, wfname); |
1583 | 4673 #endif |
4674 | |
557 | 4675 #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
|
4676 /* 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
|
4677 * 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
|
4678 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
|
4679 { |
557 | 4680 # 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
|
4681 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
|
4682 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4683 /* 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
|
4684 * 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
|
4685 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
|
4686 || 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
|
4687 || 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
|
4688 { |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4689 /* 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
|
4690 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
|
4691 /* 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
|
4692 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
|
4693 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
|
4694 } |
557 | 4695 # endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4696 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
|
4697 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4698 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
|
4699 /* 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
|
4700 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
|
4701 #endif |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4702 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4703 #ifdef UNIX |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4704 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
|
4705 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
|
4706 #endif |
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4707 #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
|
4708 /* 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
|
4709 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
|
4710 (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
|
4711 #endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4712 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
|
4713 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4714 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
|
4715 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4716 } |
7 | 4717 |
12847
14f287552218
patch 8.0.1300: file permissions may end up wrong when writing
Christian Brabandt <cb@256bit.org>
parents:
12814
diff
changeset
|
4718 #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
|
4719 /* 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
|
4720 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
|
4721 (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
|
4722 #endif |
7 | 4723 #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
|
4724 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4725 * 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
|
4726 * 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
|
4727 * 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
|
4728 * 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
|
4729 * 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
|
4730 * 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
|
4731 */ |
9509
e61974ab3ed0
commit https://github.com/vim/vim/commit/da4127794aa333631bde879e73bcfce4aef42f85
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
4732 # 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
|
4733 if (!backup_copy) |
9509
e61974ab3ed0
commit https://github.com/vim/vim/commit/da4127794aa333631bde879e73bcfce4aef42f85
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
4734 # endif |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4735 mch_set_acl(wfname, acl); |
7 | 4736 #endif |
2267 | 4737 #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
|
4738 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
|
4739 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4740 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
|
4741 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
|
4742 } |
6122 | 4743 #endif |
7 | 4744 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4745 #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
|
4746 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
|
4747 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4748 /* |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4749 * 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
|
4750 * 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
|
4751 */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4752 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
|
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 (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
|
4755 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
|
4756 { |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4757 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
|
4758 end = 0; |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4759 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4760 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4761 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
|
4762 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
|
4763 } |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4764 #endif |
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 |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4767 if (end == 0) |
7 | 4768 { |
4769 /* | |
11605
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
Christian Brabandt <cb@256bit.org>
parents:
11325
diff
changeset
|
4770 * Error encountered. |
7 | 4771 */ |
4772 if (errmsg == NULL) | |
4773 { | |
4774 if (write_info.bw_conv_error) | |
1947 | 4775 { |
4776 if (write_info.bw_conv_error_lnum == 0) | |
4777 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)"); | |
4778 else | |
4779 { | |
4780 errmsg_allocated = TRUE; | |
4781 errmsg = alloc(300); | |
4782 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"), | |
4783 (long)write_info.bw_conv_error_lnum); | |
4784 } | |
4785 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4786 else if (got_int) |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4787 errmsg = (char_u *)_(e_interr); |
7 | 4788 else |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4789 errmsg = (char_u *)_("E514: write error (file system full?)"); |
7 | 4790 } |
4791 | |
4792 /* | |
4793 * If we have a backup file, try to put it in place of the new file, | |
1698 | 4794 * because the new file is probably corrupt. This avoids losing the |
7 | 4795 * original file when trying to make a backup when writing the file a |
4796 * second time. | |
4797 * When "backup_copy" is set we need to copy the backup over the new | |
4798 * file. Otherwise rename the backup file. | |
4799 * If this is OK, don't give the extra warning message. | |
4800 */ | |
4801 if (backup != NULL) | |
4802 { | |
4803 if (backup_copy) | |
4804 { | |
4805 /* This may take a while, if we were interrupted let the user | |
4806 * know we got the message. */ | |
4807 if (got_int) | |
4808 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
4809 msg(_(e_interr)); |
7 | 4810 out_flush(); |
4811 } | |
4812 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0) | |
4813 { | |
4814 if ((write_info.bw_fd = mch_open((char *)fname, | |
194 | 4815 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, |
4816 perm & 0777)) >= 0) | |
7 | 4817 { |
4818 /* copy the file. */ | |
4819 write_info.bw_buf = smallbuf; | |
4820 #ifdef HAS_BW_FLAGS | |
4821 write_info.bw_flags = FIO_NOCONVERT; | |
4822 #endif | |
2664 | 4823 while ((write_info.bw_len = read_eintr(fd, smallbuf, |
7 | 4824 SMBUFSIZE)) > 0) |
4825 if (buf_write_bytes(&write_info) == FAIL) | |
4826 break; | |
4827 | |
4828 if (close(write_info.bw_fd) >= 0 | |
4829 && write_info.bw_len == 0) | |
4830 end = 1; /* success */ | |
4831 } | |
4832 close(fd); /* ignore errors for closing read file */ | |
4833 } | |
4834 } | |
4835 else | |
4836 { | |
4837 if (vim_rename(backup, fname) == 0) | |
4838 end = 1; | |
4839 } | |
4840 } | |
4841 goto fail; | |
4842 } | |
4843 | |
4844 lnum -= start; /* compute number of written lines */ | |
4845 --no_wait_return; /* may wait for return now */ | |
4846 | |
4847 #if !(defined(UNIX) || defined(VMS)) | |
4848 fname = sfname; /* use shortname now, for the messages */ | |
4849 #endif | |
4850 if (!filtering) | |
4851 { | |
4852 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */ | |
4853 c = FALSE; | |
4854 if (write_info.bw_conv_error) | |
4855 { | |
4856 STRCAT(IObuff, _(" CONVERSION ERROR")); | |
4857 c = TRUE; | |
1947 | 4858 if (write_info.bw_conv_error_lnum != 0) |
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
4859 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"), |
1947 | 4860 (long)write_info.bw_conv_error_lnum); |
7 | 4861 } |
4862 else if (notconverted) | |
4863 { | |
4864 STRCAT(IObuff, _("[NOT converted]")); | |
4865 c = TRUE; | |
4866 } | |
4867 else if (converted) | |
4868 { | |
4869 STRCAT(IObuff, _("[converted]")); | |
4870 c = TRUE; | |
4871 } | |
4872 if (device) | |
4873 { | |
4874 STRCAT(IObuff, _("[Device]")); | |
4875 c = TRUE; | |
4876 } | |
4877 else if (newfile) | |
4878 { | |
4879 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]")); | |
4880 c = TRUE; | |
4881 } | |
4882 if (no_eol) | |
4883 { | |
4884 msg_add_eol(); | |
4885 c = TRUE; | |
4886 } | |
4887 /* may add [unix/dos/mac] */ | |
4888 if (msg_add_fileformat(fileformat)) | |
4889 c = TRUE; | |
4890 #ifdef FEAT_CRYPT | |
4891 if (wb_flags & FIO_ENCRYPTED) | |
4892 { | |
6122 | 4893 crypt_append_msg(buf); |
7 | 4894 c = TRUE; |
4895 } | |
4896 #endif | |
4897 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */ | |
4898 if (!shortmess(SHM_WRITE)) | |
4899 { | |
4900 if (append) | |
4901 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended")); | |
4902 else | |
4903 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written")); | |
4904 } | |
4905 | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
4906 set_keep_msg((char_u *)msg_trunc_attr((char *)IObuff, FALSE, 0), 0); |
7 | 4907 } |
4908 | |
39 | 4909 /* When written everything correctly: reset 'modified'. Unless not |
4910 * writing to the original file and '+' is not in 'cpoptions'. */ | |
589 | 4911 if (reset_changed && whole && !append |
7 | 4912 && !write_info.bw_conv_error |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
4913 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)) |
7 | 4914 { |
4915 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
|
4916 /* b:changedtick is always incremented in unchanged() but that |
6320 | 4917 * 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
|
4918 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
|
4919 buf->b_last_changedtick = CHANGEDTICK(buf); |
7 | 4920 u_unchanged(buf); |
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
4921 u_update_save_nr(buf); |
7 | 4922 } |
4923 | |
4924 /* | |
4925 * If written to the current file, update the timestamp of the swap file | |
4926 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime. | |
4927 */ | |
4928 if (overwriting) | |
4929 { | |
4930 ml_timestamp(buf); | |
589 | 4931 if (append) |
4932 buf->b_flags &= ~BF_NEW; | |
4933 else | |
4934 buf->b_flags &= ~BF_WRITE_MASK; | |
7 | 4935 } |
4936 | |
4937 /* | |
4938 * If we kept a backup until now, and we are in patch mode, then we make | |
4939 * the backup file our 'original' file. | |
4940 */ | |
4941 if (*p_pm && dobackup) | |
4942 { | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
4943 char *org = (char *)buf_modname((buf->b_p_sn || buf->b_shortname), |
7 | 4944 fname, p_pm, FALSE); |
4945 | |
4946 if (backup != NULL) | |
4947 { | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
4948 stat_T st; |
7 | 4949 |
4950 /* | |
4951 * If the original file does not exist yet | |
4952 * the current backup file becomes the original file | |
4953 */ | |
4954 if (org == NULL) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
4955 emsg(_("E205: Patchmode: can't save original file")); |
7 | 4956 else if (mch_stat(org, &st) < 0) |
4957 { | |
4958 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
|
4959 VIM_CLEAR(backup); /* don't delete the file */ |
7 | 4960 #ifdef UNIX |
4961 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime); | |
4962 #endif | |
4963 } | |
4964 } | |
4965 /* | |
4966 * If there is no backup file, remember that a (new) file was | |
4967 * created. | |
4968 */ | |
4969 else | |
4970 { | |
4971 int empty_fd; | |
4972 | |
4973 if (org == NULL | |
557 | 4974 || (empty_fd = mch_open(org, |
4975 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW, | |
216 | 4976 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
|
4977 emsg(_("E206: patchmode: can't touch empty original file")); |
7 | 4978 else |
4979 close(empty_fd); | |
4980 } | |
4981 if (org != NULL) | |
4982 { | |
4983 mch_setperm((char_u *)org, mch_getperm(fname) & 0777); | |
4984 vim_free(org); | |
4985 } | |
4986 } | |
4987 | |
16694
ed9b15758241
patch 8.1.1349: if writing runs into conversion error backup file is deleted
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4988 // Remove the backup unless 'backup' option is set or there was a |
ed9b15758241
patch 8.1.1349: if writing runs into conversion error backup file is deleted
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4989 // conversion error. |
ed9b15758241
patch 8.1.1349: if writing runs into conversion error backup file is deleted
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4990 if (!p_bk && backup != NULL && !write_info.bw_conv_error |
ed9b15758241
patch 8.1.1349: if writing runs into conversion error backup file is deleted
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4991 && 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
|
4992 emsg(_("E207: Can't delete backup file")); |
7 | 4993 |
4994 goto nofail; | |
4995 | |
4996 /* | |
4997 * Finish up. We get here either after failure or success. | |
4998 */ | |
4999 fail: | |
5000 --no_wait_return; /* may wait for return now */ | |
5001 nofail: | |
5002 | |
5003 /* Done saving, we accept changed buffer warnings again */ | |
5004 buf->b_saving = FALSE; | |
5005 | |
5006 vim_free(backup); | |
5007 if (buffer != smallbuf) | |
5008 vim_free(buffer); | |
5009 vim_free(fenc_tofree); | |
5010 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
|
5011 #ifdef USE_ICONV |
7 | 5012 if (write_info.bw_iconv_fd != (iconv_t)-1) |
5013 { | |
5014 iconv_close(write_info.bw_iconv_fd); | |
5015 write_info.bw_iconv_fd = (iconv_t)-1; | |
5016 } | |
5017 #endif | |
5018 #ifdef HAVE_ACL | |
5019 mch_free_acl(acl); | |
5020 #endif | |
5021 | |
5022 if (errmsg != NULL) | |
5023 { | |
835 | 5024 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0; |
7 | 5025 |
11158
501f46f7644c
patch 8.0.0466: still macros that should be all-caps
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
5026 attr = HL_ATTR(HLF_E); /* set highlight for error messages */ |
7 | 5027 msg_add_fname(buf, |
5028 #ifndef UNIX | |
5029 sfname | |
5030 #else | |
5031 fname | |
5032 #endif | |
5033 ); /* put file name in IObuff with quotes */ | |
5034 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE) | |
5035 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL; | |
5036 /* If the error message has the form "is ...", put the error number in | |
5037 * front of the file name. */ | |
5038 if (errnum != NULL) | |
5039 { | |
1620 | 5040 STRMOVE(IObuff + numlen, IObuff); |
7 | 5041 mch_memmove(IObuff, errnum, (size_t)numlen); |
5042 } | |
5043 STRCAT(IObuff, errmsg); | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
5044 emsg((char *)IObuff); |
1947 | 5045 if (errmsg_allocated) |
5046 vim_free(errmsg); | |
7 | 5047 |
5048 retval = FAIL; | |
5049 if (end == 0) | |
5050 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
5051 msg_puts_attr(_("\nWARNING: Original file may be lost or damaged\n"), |
7 | 5052 attr | MSG_HIST); |
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(_("don't quit the editor until the file is successfully written!"), |
7 | 5054 attr | MSG_HIST); |
5055 | |
5056 /* Update the timestamp to avoid an "overwrite changed file" | |
5057 * prompt when writing again. */ | |
5058 if (mch_stat((char *)fname, &st_old) >= 0) | |
5059 { | |
5060 buf_store_time(buf, &st_old, fname); | |
5061 buf->b_mtime_read = buf->b_mtime; | |
5062 } | |
5063 } | |
5064 } | |
5065 msg_scroll = msg_save; | |
5066 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5067 #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
|
5068 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5069 * 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
|
5070 * file. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5071 */ |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5072 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
|
5073 { |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5074 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
|
5075 |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5076 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
|
5077 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
|
5078 } |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5079 #endif |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
5080 |
7 | 5081 #ifdef FEAT_EVAL |
5082 if (!should_abort(retval)) | |
5083 #else | |
5084 if (!got_int) | |
5085 #endif | |
5086 { | |
5087 aco_save_T aco; | |
5088 | |
3482 | 5089 curbuf->b_no_eol_lnum = 0; /* in case it was set by the previous read */ |
5090 | |
7 | 5091 /* |
5092 * Apply POST autocommands. | |
5093 * Careful: The autocommands may call buf_write() recursively! | |
5094 */ | |
5095 aucmd_prepbuf(&aco, buf); | |
5096 | |
5097 if (append) | |
5098 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname, | |
5099 FALSE, curbuf, eap); | |
5100 else if (filtering) | |
5101 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname, | |
5102 FALSE, curbuf, eap); | |
5103 else if (reset_changed && whole) | |
5104 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname, | |
5105 FALSE, curbuf, eap); | |
5106 else | |
5107 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname, | |
5108 FALSE, curbuf, eap); | |
5109 | |
5110 /* restore curwin/curbuf and a few other things */ | |
5111 aucmd_restbuf(&aco); | |
5112 | |
5113 #ifdef FEAT_EVAL | |
5114 if (aborting()) /* autocmds may abort script processing */ | |
5115 retval = FALSE; | |
5116 #endif | |
5117 } | |
5118 | |
5119 got_int |= prev_got_int; | |
5120 | |
5121 return retval; | |
5122 } | |
5123 | |
15816
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5124 #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
|
5125 /* |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5126 * 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
|
5127 * 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
|
5128 */ |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5129 int |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5130 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
|
5131 { |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5132 int r; |
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 # ifdef MACOS_X |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5135 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
|
5136 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
|
5137 # endif |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5138 r = fsync(fd); |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5139 return r; |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5140 } |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5141 #endif |
40336d427dd2
patch 8.1.0915: fsync() may not work properly on Mac
Bram Moolenaar <Bram@vim.org>
parents:
15794
diff
changeset
|
5142 |
7 | 5143 /* |
633 | 5144 * Set the name of the current buffer. Use when the buffer doesn't have a |
5145 * name and a ":r" or ":w" command with a file name is used. | |
5146 */ | |
5147 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5148 set_rw_fname(char_u *fname, char_u *sfname) |
633 | 5149 { |
1905 | 5150 buf_T *buf = curbuf; |
5151 | |
633 | 5152 /* It's like the unnamed buffer is deleted.... */ |
5153 if (curbuf->b_p_bl) | |
5154 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); | |
5155 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
|
5156 #ifdef FEAT_EVAL |
633 | 5157 if (aborting()) /* autocmds may abort script processing */ |
5158 return FAIL; | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
5159 #endif |
1905 | 5160 if (curbuf != buf) |
5161 { | |
5162 /* 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
|
5163 emsg(_(e_auchangedbuf)); |
1905 | 5164 return FAIL; |
5165 } | |
633 | 5166 |
5167 if (setfname(curbuf, fname, sfname, FALSE) == OK) | |
5168 curbuf->b_flags |= BF_NOTEDITED; | |
5169 | |
5170 /* ....and a new named one is created */ | |
5171 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf); | |
5172 if (curbuf->b_p_bl) | |
5173 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
|
5174 #ifdef FEAT_EVAL |
633 | 5175 if (aborting()) /* autocmds may abort script processing */ |
5176 return FAIL; | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
5177 #endif |
633 | 5178 |
5179 /* Do filetype detection now if 'filetype' is empty. */ | |
5180 if (*curbuf->b_p_ft == NUL) | |
5181 { | |
819 | 5182 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
|
5183 (void)do_doautocmd((char_u *)"filetypedetect BufRead", FALSE, NULL); |
717 | 5184 do_modelines(0); |
633 | 5185 } |
5186 | |
5187 return OK; | |
5188 } | |
5189 | |
5190 /* | |
7 | 5191 * Put file name into IObuff with quotes. |
5192 */ | |
33 | 5193 void |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5194 msg_add_fname(buf_T *buf, char_u *fname) |
7 | 5195 { |
5196 if (fname == NULL) | |
5197 fname = (char_u *)"-stdin-"; | |
5198 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE); | |
5199 IObuff[0] = '"'; | |
5200 STRCAT(IObuff, "\" "); | |
5201 } | |
5202 | |
5203 /* | |
5204 * Append message for text mode to IObuff. | |
5205 * Return TRUE if something appended. | |
5206 */ | |
5207 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5208 msg_add_fileformat(int eol_type) |
7 | 5209 { |
5210 #ifndef USE_CRNL | |
5211 if (eol_type == EOL_DOS) | |
5212 { | |
5213 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]")); | |
5214 return TRUE; | |
5215 } | |
5216 #endif | |
5217 if (eol_type == EOL_MAC) | |
5218 { | |
5219 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]")); | |
5220 return TRUE; | |
5221 } | |
15840
734b1928a5aa
patch 8.1.0927: USE_CR is never defined
Bram Moolenaar <Bram@vim.org>
parents:
15816
diff
changeset
|
5222 #ifdef USE_CRNL |
7 | 5223 if (eol_type == EOL_UNIX) |
5224 { | |
5225 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]")); | |
5226 return TRUE; | |
5227 } | |
5228 #endif | |
5229 return FALSE; | |
5230 } | |
5231 | |
5232 /* | |
5233 * Append line and character count to IObuff. | |
5234 */ | |
33 | 5235 void |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5236 msg_add_lines( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5237 int insert_space, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5238 long lnum, |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
5239 off_T nchars) |
7 | 5240 { |
5241 char_u *p; | |
5242 | |
5243 p = IObuff + STRLEN(IObuff); | |
5244 | |
5245 if (insert_space) | |
5246 *p++ = ' '; | |
5247 if (shortmess(SHM_LINES)) | |
9391
4c40631238e4
commit https://github.com/vim/vim/commit/bde9810d6103ffe3a22a9330021cb21db1ed1792
Christian Brabandt <cb@256bit.org>
parents:
9389
diff
changeset
|
5248 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
|
5249 "%ldL, %lldC", lnum, (long_long_T)nchars); |
7 | 5250 else |
5251 { | |
14585
c8f07e8b273e
patch 8.1.0306: plural messages are not translated properly
Christian Brabandt <cb@256bit.org>
parents:
14509
diff
changeset
|
5252 sprintf((char *)p, NGETTEXT("%ld line, ", "%ld lines, ", lnum), lnum); |
7 | 5253 p += STRLEN(p); |
14585
c8f07e8b273e
patch 8.1.0306: plural messages are not translated properly
Christian Brabandt <cb@256bit.org>
parents:
14509
diff
changeset
|
5254 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
|
5255 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
|
5256 (long_long_T)nchars); |
7 | 5257 } |
5258 } | |
5259 | |
5260 /* | |
5261 * Append message for missing line separator to IObuff. | |
5262 */ | |
5263 static void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5264 msg_add_eol(void) |
7 | 5265 { |
5266 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]")); | |
5267 } | |
5268 | |
5269 /* | |
5270 * Check modification time of file, before writing to it. | |
5271 * The size isn't checked, because using a tool like "gzip" takes care of | |
5272 * using the same timestamp but can't set the size. | |
5273 */ | |
5274 static int | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
5275 check_mtime(buf_T *buf, stat_T *st) |
7 | 5276 { |
5277 if (buf->b_mtime_read != 0 | |
5278 && time_differs((long)st->st_mtime, buf->b_mtime_read)) | |
5279 { | |
5280 msg_scroll = TRUE; /* don't overwrite messages here */ | |
5281 msg_silent = 0; /* must give this prompt */ | |
5282 /* 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
|
5283 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
|
5284 HL_ATTR(HLF_E)); |
7 | 5285 if (ask_yesno((char_u *)_("Do you really want to write to it"), |
5286 TRUE) == 'n') | |
5287 return FAIL; | |
5288 msg_scroll = FALSE; /* always overwrite the file message now */ | |
5289 } | |
5290 return OK; | |
5291 } | |
5292 | |
5293 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5294 time_differs(long t1, long t2) |
7 | 5295 { |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
5296 #if defined(__linux__) || defined(MSWIN) |
7 | 5297 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store |
5298 * the seconds. Since the roundoff is done when flushing the inode, the | |
5299 * time may change unexpectedly by one second!!! */ | |
5300 return (t1 - t2 > 1 || t2 - t1 > 1); | |
5301 #else | |
5302 return (t1 != t2); | |
5303 #endif | |
5304 } | |
5305 | |
5306 /* | |
5307 * Call write() to write a number of bytes to the file. | |
2664 | 5308 * Handles encryption and 'encoding' conversion. |
7 | 5309 * |
5310 * Return FAIL for failure, OK otherwise. | |
5311 */ | |
5312 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5313 buf_write_bytes(struct bw_info *ip) |
7 | 5314 { |
5315 int wlen; | |
5316 char_u *buf = ip->bw_buf; /* data to write */ | |
5317 int len = ip->bw_len; /* length of data */ | |
5318 #ifdef HAS_BW_FLAGS | |
5319 int flags = ip->bw_flags; /* extra flags */ | |
5320 #endif | |
5321 | |
5322 /* | |
5323 * Skip conversion when writing the crypt magic number or the BOM. | |
5324 */ | |
5325 if (!(flags & FIO_NOCONVERT)) | |
5326 { | |
5327 char_u *p; | |
5328 unsigned c; | |
5329 int n; | |
5330 | |
5331 if (flags & FIO_UTF8) | |
5332 { | |
5333 /* | |
5334 * Convert latin1 in the buffer to UTF-8 in the file. | |
5335 */ | |
5336 p = ip->bw_conv_buf; /* translate to buffer */ | |
5337 for (wlen = 0; wlen < len; ++wlen) | |
5338 p += utf_char2bytes(buf[wlen], p); | |
5339 buf = ip->bw_conv_buf; | |
5340 len = (int)(p - ip->bw_conv_buf); | |
5341 } | |
5342 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1)) | |
5343 { | |
5344 /* | |
5345 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or | |
5346 * Latin1 chars in the file. | |
5347 */ | |
5348 if (flags & FIO_LATIN1) | |
5349 p = buf; /* translate in-place (can only get shorter) */ | |
5350 else | |
5351 p = ip->bw_conv_buf; /* translate to buffer */ | |
5352 for (wlen = 0; wlen < len; wlen += n) | |
5353 { | |
5354 if (wlen == 0 && ip->bw_restlen != 0) | |
5355 { | |
5356 int l; | |
5357 | |
5358 /* Use remainder of previous call. Append the start of | |
5359 * buf[] to get a full sequence. Might still be too | |
5360 * short! */ | |
5361 l = CONV_RESTLEN - ip->bw_restlen; | |
5362 if (l > len) | |
5363 l = len; | |
5364 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l); | |
474 | 5365 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l); |
7 | 5366 if (n > ip->bw_restlen + len) |
5367 { | |
5368 /* We have an incomplete byte sequence at the end to | |
5369 * be written. We can't convert it without the | |
5370 * remaining bytes. Keep them for the next call. */ | |
5371 if (ip->bw_restlen + len > CONV_RESTLEN) | |
5372 return FAIL; | |
5373 ip->bw_restlen += len; | |
5374 break; | |
5375 } | |
5376 if (n > 1) | |
5377 c = utf_ptr2char(ip->bw_rest); | |
5378 else | |
5379 c = ip->bw_rest[0]; | |
5380 if (n >= ip->bw_restlen) | |
5381 { | |
5382 n -= ip->bw_restlen; | |
5383 ip->bw_restlen = 0; | |
5384 } | |
5385 else | |
5386 { | |
5387 ip->bw_restlen -= n; | |
5388 mch_memmove(ip->bw_rest, ip->bw_rest + n, | |
5389 (size_t)ip->bw_restlen); | |
5390 n = 0; | |
5391 } | |
5392 } | |
5393 else | |
5394 { | |
474 | 5395 n = utf_ptr2len_len(buf + wlen, len - wlen); |
7 | 5396 if (n > len - wlen) |
5397 { | |
5398 /* We have an incomplete byte sequence at the end to | |
5399 * be written. We can't convert it without the | |
5400 * remaining bytes. Keep them for the next call. */ | |
5401 if (len - wlen > CONV_RESTLEN) | |
5402 return FAIL; | |
5403 ip->bw_restlen = len - wlen; | |
5404 mch_memmove(ip->bw_rest, buf + wlen, | |
5405 (size_t)ip->bw_restlen); | |
5406 break; | |
5407 } | |
5408 if (n > 1) | |
5409 c = utf_ptr2char(buf + wlen); | |
5410 else | |
5411 c = buf[wlen]; | |
5412 } | |
5413 | |
1947 | 5414 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error) |
5415 { | |
5416 ip->bw_conv_error = TRUE; | |
5417 ip->bw_conv_error_lnum = ip->bw_start_lnum; | |
5418 } | |
5419 if (c == NL) | |
5420 ++ip->bw_start_lnum; | |
7 | 5421 } |
5422 if (flags & FIO_LATIN1) | |
5423 len = (int)(p - buf); | |
5424 else | |
5425 { | |
5426 buf = ip->bw_conv_buf; | |
5427 len = (int)(p - ip->bw_conv_buf); | |
5428 } | |
5429 } | |
5430 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
5431 #ifdef MSWIN |
7 | 5432 else if (flags & FIO_CODEPAGE) |
5433 { | |
5434 /* | |
5435 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows | |
5436 * codepage. | |
5437 */ | |
5438 char_u *from; | |
5439 size_t fromlen; | |
5440 char_u *to; | |
5441 int u8c; | |
5442 BOOL bad = FALSE; | |
5443 int needed; | |
5444 | |
5445 if (ip->bw_restlen > 0) | |
5446 { | |
5447 /* Need to concatenate the remainder of the previous call and | |
5448 * the bytes of the current call. Use the end of the | |
5449 * conversion buffer for this. */ | |
5450 fromlen = len + ip->bw_restlen; | |
5451 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5452 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5453 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5454 } | |
5455 else | |
5456 { | |
5457 from = buf; | |
5458 fromlen = len; | |
5459 } | |
5460 | |
5461 to = ip->bw_conv_buf; | |
5462 if (enc_utf8) | |
5463 { | |
5464 /* Convert from UTF-8 to UCS-2, to the start of the buffer. | |
5465 * The buffer has been allocated to be big enough. */ | |
5466 while (fromlen > 0) | |
5467 { | |
835 | 5468 n = (int)utf_ptr2len_len(from, (int)fromlen); |
7 | 5469 if (n > (int)fromlen) /* incomplete byte sequence */ |
5470 break; | |
5471 u8c = utf_ptr2char(from); | |
5472 *to++ = (u8c & 0xff); | |
5473 *to++ = (u8c >> 8); | |
5474 fromlen -= n; | |
5475 from += n; | |
5476 } | |
5477 | |
5478 /* Copy remainder to ip->bw_rest[] to be used for the next | |
5479 * call. */ | |
5480 if (fromlen > CONV_RESTLEN) | |
5481 { | |
5482 /* weird overlong sequence */ | |
5483 ip->bw_conv_error = TRUE; | |
5484 return FAIL; | |
5485 } | |
5486 mch_memmove(ip->bw_rest, from, fromlen); | |
835 | 5487 ip->bw_restlen = (int)fromlen; |
7 | 5488 } |
5489 else | |
5490 { | |
5491 /* Convert from enc_codepage to UCS-2, to the start of the | |
5492 * buffer. The buffer has been allocated to be big enough. */ | |
5493 ip->bw_restlen = 0; | |
5494 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5495 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen, |
7 | 5496 NULL, 0); |
5497 if (needed == 0) | |
5498 { | |
5499 /* When conversion fails there may be a trailing byte. */ | |
5500 needed = MultiByteToWideChar(enc_codepage, | |
1142 | 5501 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1, |
7 | 5502 NULL, 0); |
5503 if (needed == 0) | |
5504 { | |
5505 /* Conversion doesn't work. */ | |
5506 ip->bw_conv_error = TRUE; | |
5507 return FAIL; | |
5508 } | |
5509 /* Save the trailing byte for the next call. */ | |
5510 ip->bw_rest[0] = from[fromlen - 1]; | |
5511 ip->bw_restlen = 1; | |
5512 } | |
5513 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS, | |
1142 | 5514 (LPCSTR)from, (int)(fromlen - ip->bw_restlen), |
7 | 5515 (LPWSTR)to, needed); |
5516 if (needed == 0) | |
5517 { | |
5518 /* Safety check: Conversion doesn't work. */ | |
5519 ip->bw_conv_error = TRUE; | |
5520 return FAIL; | |
5521 } | |
5522 to += needed * 2; | |
5523 } | |
5524 | |
5525 fromlen = to - ip->bw_conv_buf; | |
5526 buf = to; | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5527 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ |
7 | 5528 if (FIO_GET_CP(flags) == CP_UTF8) |
5529 { | |
5530 /* Convert from UCS-2 to UTF-8, using the remainder of the | |
5531 * conversion buffer. Fails when out of space. */ | |
5532 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2) | |
5533 { | |
5534 u8c = *from++; | |
5535 u8c += (*from++ << 8); | |
5536 to += utf_char2bytes(u8c, to); | |
5537 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen) | |
5538 { | |
5539 ip->bw_conv_error = TRUE; | |
5540 return FAIL; | |
5541 } | |
5542 } | |
835 | 5543 len = (int)(to - buf); |
7 | 5544 } |
5545 else | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5546 # endif |
7 | 5547 { |
5548 /* Convert from UCS-2 to the codepage, using the remainder of | |
5549 * the conversion buffer. If the conversion uses the default | |
5550 * character "0", the data doesn't fit in this encoding, so | |
5551 * fail. */ | |
5552 len = WideCharToMultiByte(FIO_GET_CP(flags), 0, | |
5553 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR), | |
1142 | 5554 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0, |
5555 &bad); | |
7 | 5556 if (bad) |
5557 { | |
5558 ip->bw_conv_error = TRUE; | |
5559 return FAIL; | |
5560 } | |
5561 } | |
5562 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5563 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5564 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5565 #ifdef MACOS_CONVERT |
7 | 5566 else if (flags & FIO_MACROMAN) |
5567 { | |
5568 /* | |
5569 * Convert UTF-8 or latin1 to Apple MacRoman. | |
5570 */ | |
5571 char_u *from; | |
5572 size_t fromlen; | |
5573 | |
5574 if (ip->bw_restlen > 0) | |
5575 { | |
5576 /* Need to concatenate the remainder of the previous call and | |
5577 * the bytes of the current call. Use the end of the | |
5578 * conversion buffer for this. */ | |
5579 fromlen = len + ip->bw_restlen; | |
5580 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; | |
5581 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen); | |
5582 mch_memmove(from + ip->bw_restlen, buf, (size_t)len); | |
5583 } | |
5584 else | |
5585 { | |
5586 from = buf; | |
5587 fromlen = len; | |
5588 } | |
5589 | |
18 | 5590 if (enc2macroman(from, fromlen, |
5591 ip->bw_conv_buf, &len, ip->bw_conv_buflen, | |
5592 ip->bw_rest, &ip->bw_restlen) == FAIL) | |
7 | 5593 { |
5594 ip->bw_conv_error = TRUE; | |
5595 return FAIL; | |
5596 } | |
5597 buf = ip->bw_conv_buf; | |
5598 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5599 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5600 |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
5601 #ifdef USE_ICONV |
7 | 5602 if (ip->bw_iconv_fd != (iconv_t)-1) |
5603 { | |
5604 const char *from; | |
5605 size_t fromlen; | |
5606 char *to; | |
5607 size_t tolen; | |
5608 | |
5609 /* Convert with iconv(). */ | |
5610 if (ip->bw_restlen > 0) | |
5611 { | |
1836 | 5612 char *fp; |
5613 | |
7 | 5614 /* Need to concatenate the remainder of the previous call and |
5615 * the bytes of the current call. Use the end of the | |
5616 * conversion buffer for this. */ | |
5617 fromlen = len + ip->bw_restlen; | |
1836 | 5618 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen; |
5619 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen); | |
5620 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len); | |
5621 from = fp; | |
7 | 5622 tolen = ip->bw_conv_buflen - fromlen; |
5623 } | |
5624 else | |
5625 { | |
5626 from = (const char *)buf; | |
5627 fromlen = len; | |
5628 tolen = ip->bw_conv_buflen; | |
5629 } | |
5630 to = (char *)ip->bw_conv_buf; | |
5631 | |
5632 if (ip->bw_first) | |
5633 { | |
5634 size_t save_len = tolen; | |
5635 | |
5636 /* output the initial shift state sequence */ | |
5637 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen); | |
5638 | |
5639 /* There is a bug in iconv() on Linux (which appears to be | |
5640 * wide-spread) which sets "to" to NULL and messes up "tolen". | |
5641 */ | |
5642 if (to == NULL) | |
5643 { | |
5644 to = (char *)ip->bw_conv_buf; | |
5645 tolen = save_len; | |
5646 } | |
5647 ip->bw_first = FALSE; | |
5648 } | |
5649 | |
5650 /* | |
5651 * If iconv() has an error or there is not enough room, fail. | |
5652 */ | |
5653 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen) | |
5654 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL) | |
5655 || fromlen > CONV_RESTLEN) | |
5656 { | |
5657 ip->bw_conv_error = TRUE; | |
5658 return FAIL; | |
5659 } | |
5660 | |
5661 /* copy remainder to ip->bw_rest[] to be used for the next call. */ | |
5662 if (fromlen > 0) | |
5663 mch_memmove(ip->bw_rest, (void *)from, fromlen); | |
5664 ip->bw_restlen = (int)fromlen; | |
5665 | |
5666 buf = ip->bw_conv_buf; | |
5667 len = (int)((char_u *)to - ip->bw_conv_buf); | |
5668 } | |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
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parents:
15555
diff
changeset
|
5669 #endif |
1ec942f1b648
patch 8.1.0805: too many #ifdefs
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parents:
15555
diff
changeset
|
5670 } |
7 | 5671 |
11605
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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
|
5672 if (ip->bw_fd < 0) |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
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parents:
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diff
changeset
|
5673 /* Only checking conversion, which is OK if we get here. */ |
16ccaedce025
patch 8.0.0685: when conversion fails written file may be truncated
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parents:
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diff
changeset
|
5674 return OK; |
16ccaedce025
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parents:
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diff
changeset
|
5675 |
7 | 5676 #ifdef FEAT_CRYPT |
6122 | 5677 if (flags & FIO_ENCRYPTED) |
5678 { | |
5679 /* Encrypt the data. Do it in-place if possible, otherwise use an | |
5680 * allocated buffer. */ | |
15531
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patch 8.1.0773: not all crypt code is tested
Bram Moolenaar <Bram@vim.org>
parents:
15517
diff
changeset
|
5681 # ifdef CRYPT_NOT_INPLACE |
6122 | 5682 if (crypt_works_inplace(ip->bw_buffer->b_cryptstate)) |
5683 { | |
15531
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patch 8.1.0773: not all crypt code is tested
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parents:
15517
diff
changeset
|
5684 # endif |
6122 | 5685 crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len); |
15531
959cf4c63b18
patch 8.1.0773: not all crypt code is tested
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parents:
15517
diff
changeset
|
5686 # ifdef CRYPT_NOT_INPLACE |
6122 | 5687 } |
5688 else | |
5689 { | |
5690 char_u *outbuf; | |
5691 | |
5692 len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf); | |
5693 if (len == 0) | |
5694 return OK; /* Crypt layer is buffering, will flush later. */ | |
5695 wlen = write_eintr(ip->bw_fd, outbuf, len); | |
5696 vim_free(outbuf); | |
5697 return (wlen < len) ? FAIL : OK; | |
5698 } | |
15531
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parents:
15517
diff
changeset
|
5699 # endif |
6122 | 5700 } |
7 | 5701 #endif |
5702 | |
2664 | 5703 wlen = write_eintr(ip->bw_fd, buf, len); |
5704 return (wlen < len) ? FAIL : OK; | |
7 | 5705 } |
5706 | |
5707 /* | |
5708 * Convert a Unicode character to bytes. | |
1947 | 5709 * Return TRUE for an error, FALSE when it's OK. |
7 | 5710 */ |
5711 static int | |
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parents:
7801
diff
changeset
|
5712 ucs2bytes( |
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
5713 unsigned c, /* in: character */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5714 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
|
5715 int flags) /* FIO_ flags */ |
7 | 5716 { |
5717 char_u *p = *pp; | |
5718 int error = FALSE; | |
5719 int cc; | |
5720 | |
5721 | |
5722 if (flags & FIO_UCS4) | |
5723 { | |
5724 if (flags & FIO_ENDIAN_L) | |
5725 { | |
5726 *p++ = c; | |
5727 *p++ = (c >> 8); | |
5728 *p++ = (c >> 16); | |
5729 *p++ = (c >> 24); | |
5730 } | |
5731 else | |
5732 { | |
5733 *p++ = (c >> 24); | |
5734 *p++ = (c >> 16); | |
5735 *p++ = (c >> 8); | |
5736 *p++ = c; | |
5737 } | |
5738 } | |
5739 else if (flags & (FIO_UCS2 | FIO_UTF16)) | |
5740 { | |
5741 if (c >= 0x10000) | |
5742 { | |
5743 if (flags & FIO_UTF16) | |
5744 { | |
5745 /* Make two words, ten bits of the character in each. First | |
5746 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */ | |
5747 c -= 0x10000; | |
5748 if (c >= 0x100000) | |
5749 error = TRUE; | |
5750 cc = ((c >> 10) & 0x3ff) + 0xd800; | |
5751 if (flags & FIO_ENDIAN_L) | |
5752 { | |
5753 *p++ = cc; | |
5754 *p++ = ((unsigned)cc >> 8); | |
5755 } | |
5756 else | |
5757 { | |
5758 *p++ = ((unsigned)cc >> 8); | |
5759 *p++ = cc; | |
5760 } | |
5761 c = (c & 0x3ff) + 0xdc00; | |
5762 } | |
5763 else | |
5764 error = TRUE; | |
5765 } | |
5766 if (flags & FIO_ENDIAN_L) | |
5767 { | |
5768 *p++ = c; | |
5769 *p++ = (c >> 8); | |
5770 } | |
5771 else | |
5772 { | |
5773 *p++ = (c >> 8); | |
5774 *p++ = c; | |
5775 } | |
5776 } | |
5777 else /* Latin1 */ | |
5778 { | |
5779 if (c >= 0x100) | |
5780 { | |
5781 error = TRUE; | |
5782 *p++ = 0xBF; | |
5783 } | |
5784 else | |
5785 *p++ = c; | |
5786 } | |
5787 | |
5788 *pp = p; | |
5789 return error; | |
5790 } | |
5791 | |
5792 /* | |
1948 | 5793 * Return TRUE if file encoding "fenc" requires conversion from or to |
5794 * 'encoding'. | |
7 | 5795 */ |
5796 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5797 need_conversion(char_u *fenc) |
7 | 5798 { |
1948 | 5799 int same_encoding; |
5800 int enc_flags; | |
5801 int fenc_flags; | |
5802 | |
5803 if (*fenc == NUL || STRCMP(p_enc, fenc) == 0) | |
2217
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Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5804 { |
1948 | 5805 same_encoding = TRUE; |
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
5806 fenc_flags = 0; |
120502692d82
Improve the MS-Windows installer.
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parents:
2215
diff
changeset
|
5807 } |
1948 | 5808 else |
5809 { | |
5810 /* Ignore difference between "ansi" and "latin1", "ucs-4" and | |
5811 * "ucs-4be", etc. */ | |
5812 enc_flags = get_fio_flags(p_enc); | |
5813 fenc_flags = get_fio_flags(fenc); | |
5814 same_encoding = (enc_flags != 0 && fenc_flags == enc_flags); | |
5815 } | |
5816 if (same_encoding) | |
5817 { | |
5818 /* Specified encoding matches with 'encoding'. This requires | |
5819 * conversion when 'encoding' is Unicode but not UTF-8. */ | |
5820 return enc_unicode != 0; | |
5821 } | |
5822 | |
5823 /* Encodings differ. However, conversion is not needed when 'enc' is any | |
5824 * Unicode encoding and the file is UTF-8. */ | |
5825 return !(enc_utf8 && fenc_flags == FIO_UTF8); | |
7 | 5826 } |
5827 | |
5828 /* | |
5829 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the | |
5830 * internal conversion. | |
5831 * if "ptr" is an empty string, use 'encoding'. | |
5832 */ | |
5833 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5834 get_fio_flags(char_u *ptr) |
7 | 5835 { |
5836 int prop; | |
5837 | |
5838 if (*ptr == NUL) | |
5839 ptr = p_enc; | |
5840 | |
5841 prop = enc_canon_props(ptr); | |
5842 if (prop & ENC_UNICODE) | |
5843 { | |
5844 if (prop & ENC_2BYTE) | |
5845 { | |
5846 if (prop & ENC_ENDIAN_L) | |
5847 return FIO_UCS2 | FIO_ENDIAN_L; | |
5848 return FIO_UCS2; | |
5849 } | |
5850 if (prop & ENC_4BYTE) | |
5851 { | |
5852 if (prop & ENC_ENDIAN_L) | |
5853 return FIO_UCS4 | FIO_ENDIAN_L; | |
5854 return FIO_UCS4; | |
5855 } | |
5856 if (prop & ENC_2WORD) | |
5857 { | |
5858 if (prop & ENC_ENDIAN_L) | |
5859 return FIO_UTF16 | FIO_ENDIAN_L; | |
5860 return FIO_UTF16; | |
5861 } | |
5862 return FIO_UTF8; | |
5863 } | |
5864 if (prop & ENC_LATIN1) | |
5865 return FIO_LATIN1; | |
5866 /* must be ENC_DBCS, requires iconv() */ | |
5867 return 0; | |
5868 } | |
5869 | |
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patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
5870 #ifdef MSWIN |
7 | 5871 /* |
5872 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed | |
5873 * for the conversion MS-Windows can do for us. Also accept "utf-8". | |
5874 * Used for conversion between 'encoding' and 'fileencoding'. | |
5875 */ | |
5876 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5877 get_win_fio_flags(char_u *ptr) |
7 | 5878 { |
5879 int cp; | |
5880 | |
5881 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */ | |
5882 if (!enc_utf8 && enc_codepage <= 0) | |
5883 return 0; | |
5884 | |
5885 cp = encname2codepage(ptr); | |
5886 if (cp == 0) | |
5887 { | |
5888 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */ | |
5889 if (STRCMP(ptr, "utf-8") == 0) | |
5890 cp = CP_UTF8; | |
5891 else | |
5892 # endif | |
5893 return 0; | |
5894 } | |
5895 return FIO_PUT_CP(cp) | FIO_CODEPAGE; | |
5896 } | |
5897 #endif | |
5898 | |
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patch 8.0.1236: Mac features are confusing
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12698
diff
changeset
|
5899 #ifdef MACOS_CONVERT |
7 | 5900 /* |
5901 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags | |
5902 * needed for the internal conversion to/from utf-8 or latin1. | |
5903 */ | |
5904 static int | |
7819
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5905 get_mac_fio_flags(char_u *ptr) |
7 | 5906 { |
5907 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0) | |
5908 && (enc_canon_props(ptr) & ENC_MACROMAN)) | |
5909 return FIO_MACROMAN; | |
5910 return 0; | |
5911 } | |
5912 #endif | |
5913 | |
5914 /* | |
5915 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size]. | |
5916 * "size" must be at least 2. | |
5917 * Return the name of the encoding and set "*lenp" to the length. | |
5918 * Returns NULL when no BOM found. | |
5919 */ | |
5920 static char_u * | |
7819
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5921 check_for_bom( |
f86adafb28d4
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5922 char_u *p, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5923 long size, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5924 int *lenp, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5925 int flags) |
7 | 5926 { |
5927 char *name = NULL; | |
5928 int len = 2; | |
5929 | |
5930 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf | |
1688 | 5931 && (flags == FIO_ALL || flags == FIO_UTF8 || flags == 0)) |
7 | 5932 { |
5933 name = "utf-8"; /* EF BB BF */ | |
5934 len = 3; | |
5935 } | |
5936 else if (p[0] == 0xff && p[1] == 0xfe) | |
5937 { | |
5938 if (size >= 4 && p[2] == 0 && p[3] == 0 | |
5939 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L))) | |
5940 { | |
5941 name = "ucs-4le"; /* FF FE 00 00 */ | |
5942 len = 4; | |
5943 } | |
1735 | 5944 else if (flags == (FIO_UCS2 | FIO_ENDIAN_L)) |
7 | 5945 name = "ucs-2le"; /* FF FE */ |
1735 | 5946 else if (flags == FIO_ALL || flags == (FIO_UTF16 | FIO_ENDIAN_L)) |
5947 /* utf-16le is preferred, it also works for ucs-2le text */ | |
7 | 5948 name = "utf-16le"; /* FF FE */ |
5949 } | |
5950 else if (p[0] == 0xfe && p[1] == 0xff | |
5951 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16)) | |
5952 { | |
1547 | 5953 /* Default to utf-16, it works also for ucs-2 text. */ |
5954 if (flags == FIO_UCS2) | |
5955 name = "ucs-2"; /* FE FF */ | |
5956 else | |
7 | 5957 name = "utf-16"; /* FE FF */ |
5958 } | |
5959 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe | |
5960 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4)) | |
5961 { | |
5962 name = "ucs-4"; /* 00 00 FE FF */ | |
5963 len = 4; | |
5964 } | |
5965 | |
5966 *lenp = len; | |
5967 return (char_u *)name; | |
5968 } | |
5969 | |
5970 /* | |
5971 * Generate a BOM in "buf[4]" for encoding "name". | |
5972 * Return the length of the BOM (zero when no BOM). | |
5973 */ | |
5974 static int | |
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
5975 make_bom(char_u *buf, char_u *name) |
7 | 5976 { |
5977 int flags; | |
5978 char_u *p; | |
5979 | |
5980 flags = get_fio_flags(name); | |
5981 | |
5982 /* Can't put a BOM in a non-Unicode file. */ | |
5983 if (flags == FIO_LATIN1 || flags == 0) | |
5984 return 0; | |
5985 | |
5986 if (flags == FIO_UTF8) /* UTF-8 */ | |
5987 { | |
5988 buf[0] = 0xef; | |
5989 buf[1] = 0xbb; | |
5990 buf[2] = 0xbf; | |
5991 return 3; | |
5992 } | |
5993 p = buf; | |
5994 (void)ucs2bytes(0xfeff, &p, flags); | |
5995 return (int)(p - buf); | |
5996 } | |
5997 | |
5998 /* | |
5999 * Try to find a shortname by comparing the fullname with the current | |
6000 * directory. | |
1411 | 6001 * Returns "full_path" or pointer into "full_path" if shortened. |
6002 */ | |
6003 char_u * | |
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parents:
7801
diff
changeset
|
6004 shorten_fname1(char_u *full_path) |
1411 | 6005 { |
2770 | 6006 char_u *dirname; |
1411 | 6007 char_u *p = full_path; |
6008 | |
2770 | 6009 dirname = alloc(MAXPATHL); |
6010 if (dirname == NULL) | |
6011 return full_path; | |
1411 | 6012 if (mch_dirname(dirname, MAXPATHL) == OK) |
6013 { | |
6014 p = shorten_fname(full_path, dirname); | |
6015 if (p == NULL || *p == NUL) | |
6016 p = full_path; | |
6017 } | |
2770 | 6018 vim_free(dirname); |
1411 | 6019 return p; |
6020 } | |
6021 | |
6022 /* | |
6023 * Try to find a shortname by comparing the fullname with the current | |
6024 * directory. | |
7 | 6025 * Returns NULL if not shorter name possible, pointer into "full_path" |
6026 * otherwise. | |
6027 */ | |
6028 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6029 shorten_fname(char_u *full_path, char_u *dir_name) |
7 | 6030 { |
6031 int len; | |
6032 char_u *p; | |
6033 | |
6034 if (full_path == NULL) | |
6035 return NULL; | |
6036 len = (int)STRLEN(dir_name); | |
6037 if (fnamencmp(dir_name, full_path, len) == 0) | |
6038 { | |
6039 p = full_path + len; | |
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commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
6040 #if defined(MSWIN) |
7 | 6041 /* |
15868
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
6042 * 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
|
6043 * 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
|
6044 * this case p may already be correct. <negri> |
7 | 6045 */ |
6046 if (!((len > 2) && (*(p - 2) == ':'))) | |
6047 #endif | |
6048 { | |
6049 if (vim_ispathsep(*p)) | |
6050 ++p; | |
6051 #ifndef VMS /* the path separator is always part of the path */ | |
6052 else | |
6053 p = NULL; | |
6054 #endif | |
6055 } | |
6056 } | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
6057 #if defined(MSWIN) |
7 | 6058 /* |
6059 * When using a file in the current drive, remove the drive name: | |
6060 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on | |
6061 * a floppy from "A:\dir" to "B:\dir". | |
6062 */ | |
6063 else if (len > 3 | |
6064 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0]) | |
6065 && full_path[1] == ':' | |
6066 && vim_ispathsep(full_path[2])) | |
6067 p = full_path + 2; | |
6068 #endif | |
6069 else | |
6070 p = NULL; | |
6071 return p; | |
6072 } | |
6073 | |
6074 /* | |
13819
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6075 * Shorten filename of a buffer. |
7 | 6076 * When "force" is TRUE: Use full path from now on for files currently being |
6077 * edited, both for file name and swap file name. Try to shorten the file | |
6078 * names a bit, if safe to do so. | |
6079 * When "force" is FALSE: Only try to shorten absolute file names. | |
6080 * For buffers that have buftype "nofile" or "scratch": never change the file | |
6081 * name. | |
6082 */ | |
6083 void | |
13819
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6084 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
|
6085 { |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6086 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
|
6087 |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6088 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
|
6089 #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
|
6090 && !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
|
6091 #endif |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6092 && !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
|
6093 && (force |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6094 || 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
|
6095 || 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
|
6096 { |
14917
6f2ce3b311de
patch 8.1.0470: pointer ownership around fname_expand() is unclear
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
6097 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
|
6098 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
|
6099 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
|
6100 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
|
6101 { |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6102 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
|
6103 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
|
6104 } |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6105 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
|
6106 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
|
6107 } |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6108 } |
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 * 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
|
6112 */ |
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6113 void |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6114 shorten_fnames(int force) |
7 | 6115 { |
6116 char_u dirname[MAXPATHL]; | |
6117 buf_T *buf; | |
6118 | |
6119 mch_dirname(dirname, MAXPATHL); | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9599
diff
changeset
|
6120 FOR_ALL_BUFFERS(buf) |
7 | 6121 { |
13819
31bb8e1f7625
patch 8.0.1781: file names in quickfix window are not shortened
Christian Brabandt <cb@256bit.org>
parents:
13810
diff
changeset
|
6122 shorten_buf_fname(buf, dirname, force); |
9 | 6123 |
6124 /* Always make the swap file name a full path, a "nofile" buffer may | |
6125 * also have a swap file. */ | |
6126 mf_fullname(buf->b_ml.ml_mfp); | |
7 | 6127 } |
6128 status_redraw_all(); | |
672 | 6129 redraw_tabline = TRUE; |
7 | 6130 } |
6131 | |
6132 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ | |
6133 || defined(FEAT_GUI_MSWIN) \ | |
6134 || defined(FEAT_GUI_MAC) \ | |
6135 || defined(PROTO) | |
6136 /* | |
6137 * Shorten all filenames in "fnames[count]" by current directory. | |
6138 */ | |
6139 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6140 shorten_filenames(char_u **fnames, int count) |
7 | 6141 { |
6142 int i; | |
6143 char_u dirname[MAXPATHL]; | |
6144 char_u *p; | |
6145 | |
6146 if (fnames == NULL || count < 1) | |
6147 return; | |
6148 mch_dirname(dirname, sizeof(dirname)); | |
6149 for (i = 0; i < count; ++i) | |
6150 { | |
6151 if ((p = shorten_fname(fnames[i], dirname)) != NULL) | |
6152 { | |
6153 /* shorten_fname() returns pointer in given "fnames[i]". If free | |
6154 * "fnames[i]" first, "p" becomes invalid. So we need to copy | |
6155 * "p" first then free fnames[i]. */ | |
6156 p = vim_strsave(p); | |
6157 vim_free(fnames[i]); | |
6158 fnames[i] = p; | |
6159 } | |
6160 } | |
6161 } | |
6162 #endif | |
6163 | |
6164 /* | |
14475
dddba3937532
patch 8.1.0251: using full path is not supported for 'backupdir'
Christian Brabandt <cb@256bit.org>
parents:
14433
diff
changeset
|
6165 * Add extension to file name - change path/fo.o.h to path/fo.o.h.ext or |
7 | 6166 * fo_o_h.ext for MSDOS or when shortname option set. |
6167 * | |
6168 * Assumed that fname is a valid name found in the filesystem we assure that | |
6169 * the return value is a different name and ends in 'ext'. | |
6170 * "ext" MUST be at most 4 characters long if it starts with a dot, 3 | |
6171 * characters otherwise. | |
6172 * Space for the returned name is allocated, must be freed later. | |
6173 * Returns NULL when out of memory. | |
6174 */ | |
6175 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6176 modname( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6177 char_u *fname, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6178 char_u *ext, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6179 int prepend_dot) /* may prepend a '.' to file name */ |
7 | 6180 { |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
6181 return buf_modname((curbuf->b_p_sn || curbuf->b_shortname), |
7 | 6182 fname, ext, prepend_dot); |
6183 } | |
6184 | |
6185 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6186 buf_modname( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6187 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
|
6188 char_u *fname, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6189 char_u *ext, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6190 int prepend_dot) /* may prepend a '.' to file name */ |
7 | 6191 { |
6192 char_u *retval; | |
6193 char_u *s; | |
6194 char_u *e; | |
6195 char_u *ptr; | |
6196 int fnamelen, extlen; | |
6197 | |
6198 extlen = (int)STRLEN(ext); | |
6199 | |
6200 /* | |
6201 * If there is no file name we must get the name of the current directory | |
6202 * (we need the full path in case :cd is used). | |
6203 */ | |
6204 if (fname == NULL || *fname == NUL) | |
6205 { | |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16754
diff
changeset
|
6206 retval = alloc(MAXPATHL + extlen + 3); |
7 | 6207 if (retval == NULL) |
6208 return NULL; | |
6209 if (mch_dirname(retval, MAXPATHL) == FAIL || | |
6210 (fnamelen = (int)STRLEN(retval)) == 0) | |
6211 { | |
6212 vim_free(retval); | |
6213 return NULL; | |
6214 } | |
39 | 6215 if (!after_pathsep(retval, retval + fnamelen)) |
7 | 6216 { |
6217 retval[fnamelen++] = PATHSEP; | |
6218 retval[fnamelen] = NUL; | |
6219 } | |
6220 prepend_dot = FALSE; /* nothing to prepend a dot to */ | |
6221 } | |
6222 else | |
6223 { | |
6224 fnamelen = (int)STRLEN(fname); | |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16754
diff
changeset
|
6225 retval = alloc(fnamelen + extlen + 3); |
7 | 6226 if (retval == NULL) |
6227 return NULL; | |
6228 STRCPY(retval, fname); | |
6229 #ifdef VMS | |
6230 vms_remove_version(retval); /* we do not need versions here */ | |
6231 #endif | |
6232 } | |
6233 | |
6234 /* | |
6235 * search backwards until we hit a '/', '\' or ':' replacing all '.' | |
6236 * by '_' for MSDOS or when shortname option set and ext starts with a dot. | |
6237 * Then truncate what is after the '/', '\' or ':' to 8 characters for | |
6238 * MSDOS and 26 characters for AMIGA, a lot more for UNIX. | |
6239 */ | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
6240 for (ptr = retval + fnamelen; ptr > retval; MB_PTR_BACK(retval, ptr)) |
7 | 6241 { |
15794
0d8291665b59
patch 8.1.0904: USE_LONG_FNAME never defined
Bram Moolenaar <Bram@vim.org>
parents:
15776
diff
changeset
|
6242 if (*ext == '.' && shortname) |
7 | 6243 if (*ptr == '.') /* replace '.' by '_' */ |
6244 *ptr = '_'; | |
6245 if (vim_ispathsep(*ptr)) | |
391 | 6246 { |
6247 ++ptr; | |
7 | 6248 break; |
391 | 6249 } |
6250 } | |
7 | 6251 |
6252 /* the file name has at most BASENAMELEN characters. */ | |
6253 if (STRLEN(ptr) > (unsigned)BASENAMELEN) | |
6254 ptr[BASENAMELEN] = '\0'; | |
6255 | |
6256 s = ptr + STRLEN(ptr); | |
6257 | |
6258 /* | |
6259 * For 8.3 file names we may have to reduce the length. | |
6260 */ | |
6261 if (shortname) | |
6262 { | |
6263 /* | |
6264 * If there is no file name, or the file name ends in '/', and the | |
6265 * extension starts with '.', put a '_' before the dot, because just | |
6266 * ".ext" is invalid. | |
6267 */ | |
6268 if (fname == NULL || *fname == NUL | |
6269 || vim_ispathsep(fname[STRLEN(fname) - 1])) | |
6270 { | |
6271 if (*ext == '.') | |
6272 *s++ = '_'; | |
6273 } | |
6274 /* | |
6275 * If the extension starts with '.', truncate the base name at 8 | |
6276 * characters | |
6277 */ | |
6278 else if (*ext == '.') | |
6279 { | |
1877 | 6280 if ((size_t)(s - ptr) > (size_t)8) |
7 | 6281 { |
6282 s = ptr + 8; | |
6283 *s = '\0'; | |
6284 } | |
6285 } | |
6286 /* | |
6287 * If the extension doesn't start with '.', and the file name | |
6288 * doesn't have an extension yet, append a '.' | |
6289 */ | |
6290 else if ((e = vim_strchr(ptr, '.')) == NULL) | |
6291 *s++ = '.'; | |
6292 /* | |
6293 * If the extension doesn't start with '.', and there already is an | |
1201 | 6294 * extension, it may need to be truncated |
7 | 6295 */ |
6296 else if ((int)STRLEN(e) + extlen > 4) | |
6297 s = e + 4 - extlen; | |
6298 } | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
6299 #ifdef MSWIN |
7 | 6300 /* |
6301 * If there is no file name, and the extension starts with '.', put a | |
6302 * '_' before the dot, because just ".ext" may be invalid if it's on a | |
6303 * FAT partition, and on HPFS it doesn't matter. | |
6304 */ | |
6305 else if ((fname == NULL || *fname == NUL) && *ext == '.') | |
6306 *s++ = '_'; | |
6307 #endif | |
6308 | |
6309 /* | |
1651 | 6310 * Append the extension. |
7 | 6311 * ext can start with '.' and cannot exceed 3 more characters. |
6312 */ | |
6313 STRCPY(s, ext); | |
6314 | |
6315 /* | |
6316 * Prepend the dot. | |
6317 */ | |
15794
0d8291665b59
patch 8.1.0904: USE_LONG_FNAME never defined
Bram Moolenaar <Bram@vim.org>
parents:
15776
diff
changeset
|
6318 if (prepend_dot && !shortname && *(e = gettail(retval)) != '.') |
7 | 6319 { |
1620 | 6320 STRMOVE(e + 1, e); |
7 | 6321 *e = '.'; |
6322 } | |
6323 | |
6324 /* | |
6325 * Check that, after appending the extension, the file name is really | |
6326 * different. | |
6327 */ | |
6328 if (fname != NULL && STRCMP(fname, retval) == 0) | |
6329 { | |
6330 /* we search for a character that can be replaced by '_' */ | |
6331 while (--s >= ptr) | |
6332 { | |
6333 if (*s != '_') | |
6334 { | |
6335 *s = '_'; | |
6336 break; | |
6337 } | |
6338 } | |
6339 if (s < ptr) /* fname was "________.<ext>", how tricky! */ | |
6340 *ptr = 'v'; | |
6341 } | |
6342 return retval; | |
6343 } | |
6344 | |
6345 /* | |
6346 * Like fgets(), but if the file line is too long, it is truncated and the | |
6347 * 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
|
6348 * If the line is truncated then buf[size - 2] will not be NUL. |
7 | 6349 */ |
6350 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6351 vim_fgets(char_u *buf, int size, FILE *fp) |
7 | 6352 { |
6353 char *eof; | |
6354 #define FGETS_SIZE 200 | |
6355 char tbuf[FGETS_SIZE]; | |
6356 | |
6357 buf[size - 2] = NUL; | |
6358 eof = fgets((char *)buf, size, fp); | |
6359 if (buf[size - 2] != NUL && buf[size - 2] != '\n') | |
6360 { | |
6361 buf[size - 1] = NUL; /* Truncate the line */ | |
6362 | |
6363 /* Now throw away the rest of the line: */ | |
6364 do | |
6365 { | |
6366 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
|
6367 vim_ignoredp = fgets((char *)tbuf, FGETS_SIZE, fp); |
7 | 6368 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n'); |
6369 } | |
6370 return (eof == NULL); | |
6371 } | |
6372 | |
6373 /* | |
6374 * rename() only works if both files are on the same file system, this | |
6375 * function will (attempts to?) copy the file across if rename fails -- webb | |
6376 * Return -1 for failure, 0 for success. | |
6377 */ | |
6378 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6379 vim_rename(char_u *from, char_u *to) |
7 | 6380 { |
6381 int fd_in; | |
6382 int fd_out; | |
6383 int n; | |
6384 char *errmsg = NULL; | |
6385 char *buffer; | |
6386 #ifdef AMIGA | |
6387 BPTR flock; | |
6388 #endif | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6389 stat_T st; |
194 | 6390 long perm; |
199 | 6391 #ifdef HAVE_ACL |
6392 vim_acl_T acl; /* ACL from original file */ | |
6393 #endif | |
1779 | 6394 int use_tmp_file = FALSE; |
7 | 6395 |
6396 /* | |
1779 | 6397 * When the names are identical, there is nothing to do. When they refer |
6398 * to the same file (ignoring case and slash/backslash differences) but | |
6399 * the file name differs we need to go through a temp file. | |
7 | 6400 */ |
6401 if (fnamecmp(from, to) == 0) | |
1779 | 6402 { |
4242 | 6403 if (p_fic && STRCMP(gettail(from), gettail(to)) != 0) |
1779 | 6404 use_tmp_file = TRUE; |
6405 else | |
6406 return 0; | |
6407 } | |
7 | 6408 |
6409 /* | |
6410 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted. | |
6411 */ | |
6412 if (mch_stat((char *)from, &st) < 0) | |
6413 return -1; | |
6414 | |
1778 | 6415 #ifdef UNIX |
6416 { | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6417 stat_T st_to; |
1778 | 6418 |
6419 /* It's possible for the source and destination to be the same file. | |
6420 * This happens when "from" and "to" differ in case and are on a FAT32 | |
6421 * filesystem. In that case go through a temp file name. */ | |
6422 if (mch_stat((char *)to, &st_to) >= 0 | |
6423 && st.st_dev == st_to.st_dev | |
6424 && st.st_ino == st_to.st_ino) | |
1779 | 6425 use_tmp_file = TRUE; |
6426 } | |
6427 #endif | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
6428 #ifdef MSWIN |
2793 | 6429 { |
6430 BY_HANDLE_FILE_INFORMATION info1, info2; | |
6431 | |
6432 /* It's possible for the source and destination to be the same file. | |
6433 * In that case go through a temp file name. This makes rename("foo", | |
6434 * "./foo") a no-op (in a complicated way). */ | |
6435 if (win32_fileinfo(from, &info1) == FILEINFO_OK | |
6436 && win32_fileinfo(to, &info2) == FILEINFO_OK | |
6437 && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber | |
6438 && info1.nFileIndexHigh == info2.nFileIndexHigh | |
6439 && info1.nFileIndexLow == info2.nFileIndexLow) | |
6440 use_tmp_file = TRUE; | |
6441 } | |
6442 #endif | |
1779 | 6443 |
6444 if (use_tmp_file) | |
6445 { | |
6446 char tempname[MAXPATHL + 1]; | |
6447 | |
6448 /* | |
6449 * Find a name that doesn't exist and is in the same directory. | |
6450 * Rename "from" to "tempname" and then rename "tempname" to "to". | |
6451 */ | |
6452 if (STRLEN(from) >= MAXPATHL - 5) | |
6453 return -1; | |
6454 STRCPY(tempname, from); | |
6455 for (n = 123; n < 99999; ++n) | |
6456 { | |
6457 sprintf((char *)gettail((char_u *)tempname), "%d", n); | |
6458 if (mch_stat(tempname, &st) < 0) | |
6459 { | |
6460 if (mch_rename((char *)from, tempname) == 0) | |
1778 | 6461 { |
1779 | 6462 if (mch_rename(tempname, (char *)to) == 0) |
6463 return 0; | |
6464 /* Strange, the second step failed. Try moving the | |
6465 * file back and return failure. */ | |
6466 mch_rename(tempname, (char *)from); | |
1778 | 6467 return -1; |
6468 } | |
1779 | 6469 /* If it fails for one temp name it will most likely fail |
6470 * for any temp name, give up. */ | |
6471 return -1; | |
6472 } | |
6473 } | |
6474 return -1; | |
1778 | 6475 } |
6476 | |
7 | 6477 /* |
6478 * Delete the "to" file, this is required on some systems to make the | |
6479 * mch_rename() work, on other systems it makes sure that we don't have | |
6480 * two files when the mch_rename() fails. | |
6481 */ | |
6482 | |
6483 #ifdef AMIGA | |
6484 /* | |
6485 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible | |
6486 * that the name of the "to" file is the same as the "from" file, even | |
1201 | 6487 * though the names are different. To avoid the chance of accidentally |
7 | 6488 * deleting the "from" file (horror!) we lock it during the remove. |
6489 * | |
6490 * When used for making a backup before writing the file: This should not | |
6491 * happen with ":w", because startscript() should detect this problem and | |
6492 * set buf->b_shortname, causing modname() to return a correct ".bak" file | |
6493 * name. This problem does exist with ":w filename", but then the | |
6494 * original file will be somewhere else so the backup isn't really | |
6495 * important. If autoscripting is off the rename may fail. | |
6496 */ | |
6497 flock = Lock((UBYTE *)from, (long)ACCESS_READ); | |
6498 #endif | |
6499 mch_remove(to); | |
6500 #ifdef AMIGA | |
6501 if (flock) | |
6502 UnLock(flock); | |
6503 #endif | |
6504 | |
6505 /* | |
6506 * First try a normal rename, return if it works. | |
6507 */ | |
6508 if (mch_rename((char *)from, (char *)to) == 0) | |
6509 return 0; | |
6510 | |
6511 /* | |
6512 * Rename() failed, try copying the file. | |
6513 */ | |
194 | 6514 perm = mch_getperm(from); |
199 | 6515 #ifdef HAVE_ACL |
6516 /* For systems that support ACL: get the ACL from the original file. */ | |
6517 acl = mch_get_acl(from); | |
6518 #endif | |
7 | 6519 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0); |
6520 if (fd_in == -1) | |
1651 | 6521 { |
6522 #ifdef HAVE_ACL | |
6523 mch_free_acl(acl); | |
6524 #endif | |
7 | 6525 return -1; |
1651 | 6526 } |
194 | 6527 |
6528 /* Create the new file with same permissions as the original. */ | |
557 | 6529 fd_out = mch_open((char *)to, |
6530 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm); | |
7 | 6531 if (fd_out == -1) |
6532 { | |
6533 close(fd_in); | |
1651 | 6534 #ifdef HAVE_ACL |
6535 mch_free_acl(acl); | |
6536 #endif | |
7 | 6537 return -1; |
6538 } | |
6539 | |
6540 buffer = (char *)alloc(BUFSIZE); | |
6541 if (buffer == NULL) | |
6542 { | |
1651 | 6543 close(fd_out); |
7 | 6544 close(fd_in); |
1651 | 6545 #ifdef HAVE_ACL |
6546 mch_free_acl(acl); | |
6547 #endif | |
7 | 6548 return -1; |
6549 } | |
6550 | |
2664 | 6551 while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) |
6552 if (write_eintr(fd_out, buffer, n) != n) | |
7 | 6553 { |
6554 errmsg = _("E208: Error writing to \"%s\""); | |
6555 break; | |
6556 } | |
6557 | |
6558 vim_free(buffer); | |
6559 close(fd_in); | |
6560 if (close(fd_out) < 0) | |
6561 errmsg = _("E209: Error closing \"%s\""); | |
6562 if (n < 0) | |
6563 { | |
6564 errmsg = _("E210: Error reading \"%s\""); | |
6565 to = from; | |
6566 } | |
1201 | 6567 #ifndef UNIX /* for Unix mch_open() already set the permission */ |
194 | 6568 mch_setperm(to, perm); |
570 | 6569 #endif |
199 | 6570 #ifdef HAVE_ACL |
6571 mch_set_acl(to, acl); | |
1651 | 6572 mch_free_acl(acl); |
199 | 6573 #endif |
5788 | 6574 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
5483 | 6575 mch_copy_sec(from, to); |
5479 | 6576 #endif |
7 | 6577 if (errmsg != NULL) |
6578 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6579 semsg(errmsg, to); |
7 | 6580 return -1; |
6581 } | |
6582 mch_remove(from); | |
6583 return 0; | |
6584 } | |
6585 | |
6586 static int already_warned = FALSE; | |
6587 | |
6588 /* | |
6589 * Check if any not hidden buffer has been changed. | |
6590 * Postpone the check if there are characters in the stuff buffer, a global | |
6591 * command is being executed, a mapping is being executed or an autocommand is | |
6592 * busy. | |
6593 * Returns TRUE if some message was written (screen should be redrawn and | |
6594 * cursor positioned). | |
6595 */ | |
6596 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6597 check_timestamps( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6598 int focus) /* called for GUI focus event */ |
7 | 6599 { |
6600 buf_T *buf; | |
6601 int didit = 0; | |
6602 int n; | |
6603 | |
6604 /* Don't check timestamps while system() or another low-level function may | |
6605 * cause us to lose and gain focus. */ | |
6606 if (no_check_timestamps > 0) | |
6607 return FALSE; | |
6608 | |
6609 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus | |
6610 * event and we would keep on checking if the file is steadily growing. | |
6611 * Do check again after typing something. */ | |
6612 if (focus && did_check_timestamps) | |
6613 { | |
6614 need_check_timestamps = TRUE; | |
6615 return FALSE; | |
6616 } | |
6617 | |
6618 if (!stuff_empty() || global_busy || !typebuf_typed() | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6619 || autocmd_busy || curbuf_lock > 0 || allbuf_lock > 0) |
7 | 6620 need_check_timestamps = TRUE; /* check later */ |
6621 else | |
6622 { | |
6623 ++no_wait_return; | |
6624 did_check_timestamps = TRUE; | |
6625 already_warned = FALSE; | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9599
diff
changeset
|
6626 FOR_ALL_BUFFERS(buf) |
7 | 6627 { |
6628 /* Only check buffers in a window. */ | |
6629 if (buf->b_nwindows > 0) | |
6630 { | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6631 bufref_T bufref; |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6632 |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6633 set_bufref(&bufref, buf); |
7 | 6634 n = buf_check_timestamp(buf, focus); |
6635 if (didit < n) | |
6636 didit = n; | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6637 if (n > 0 && !bufref_valid(&bufref)) |
7 | 6638 { |
6639 /* Autocommands have removed the buffer, start at the | |
6640 * first one again. */ | |
6641 buf = firstbuf; | |
6642 continue; | |
6643 } | |
6644 } | |
6645 } | |
6646 --no_wait_return; | |
6647 need_check_timestamps = FALSE; | |
6648 if (need_wait_return && didit == 2) | |
6649 { | |
6650 /* 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
|
6651 msg_puts("\n"); |
7 | 6652 out_flush(); |
6653 } | |
6654 } | |
6655 return didit; | |
6656 } | |
6657 | |
6658 /* | |
6659 * Move all the lines from buffer "frombuf" to buffer "tobuf". | |
6660 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not | |
6661 * empty. | |
6662 */ | |
6663 static int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6664 move_lines(buf_T *frombuf, buf_T *tobuf) |
7 | 6665 { |
6666 buf_T *tbuf = curbuf; | |
6667 int retval = OK; | |
6668 linenr_T lnum; | |
6669 char_u *p; | |
6670 | |
6671 /* Copy the lines in "frombuf" to "tobuf". */ | |
6672 curbuf = tobuf; | |
6673 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum) | |
6674 { | |
6675 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE)); | |
6676 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL) | |
6677 { | |
6678 vim_free(p); | |
6679 retval = FAIL; | |
6680 break; | |
6681 } | |
6682 vim_free(p); | |
6683 } | |
6684 | |
6685 /* Delete all the lines in "frombuf". */ | |
6686 if (retval != FAIL) | |
6687 { | |
6688 curbuf = frombuf; | |
1055 | 6689 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0; --lnum) |
6690 if (ml_delete(lnum, FALSE) == FAIL) | |
7 | 6691 { |
6692 /* Oops! We could try putting back the saved lines, but that | |
6693 * might fail again... */ | |
6694 retval = FAIL; | |
6695 break; | |
6696 } | |
6697 } | |
6698 | |
6699 curbuf = tbuf; | |
6700 return retval; | |
6701 } | |
6702 | |
6703 /* | |
6704 * Check if buffer "buf" has been changed. | |
6705 * Also check if the file for a new buffer unexpectedly appeared. | |
6706 * return 1 if a changed buffer was found. | |
6707 * return 2 if a message has been displayed. | |
6708 * return 0 otherwise. | |
6709 */ | |
6710 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6711 buf_check_timestamp( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6712 buf_T *buf, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
6713 int focus UNUSED) /* called for GUI focus event */ |
7 | 6714 { |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6715 stat_T st; |
7 | 6716 int stat_res; |
6717 int retval = 0; | |
6718 char_u *path; | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6719 char *tbuf; |
7 | 6720 char *mesg = NULL; |
188 | 6721 char *mesg2 = ""; |
7 | 6722 int helpmesg = FALSE; |
6723 int reload = FALSE; | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6724 char *reason; |
7 | 6725 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
6726 int can_reload = FALSE; | |
6727 #endif | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
6728 off_T orig_size = buf->b_orig_size; |
7 | 6729 int orig_mode = buf->b_orig_mode; |
6730 #ifdef FEAT_GUI | |
6731 int save_mouse_correct = need_mouse_correct; | |
6732 #endif | |
6733 static int busy = FALSE; | |
179 | 6734 int n; |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6735 #ifdef FEAT_EVAL |
179 | 6736 char_u *s; |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6737 #endif |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6738 bufref_T bufref; |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6739 |
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6740 set_bufref(&bufref, buf); |
7 | 6741 |
6742 /* If there is no file name, the buffer is not loaded, 'buftype' is | |
6743 * set, we are in the middle of a save or being called recursively: ignore | |
6744 * this buffer. */ | |
6745 if (buf->b_ffname == NULL | |
6746 || 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
|
6747 || !bt_normal(buf) |
7 | 6748 || buf->b_saving |
6749 || busy | |
33 | 6750 #ifdef FEAT_NETBEANS_INTG |
6751 || isNetbeansBuffer(buf) | |
6752 #endif | |
12064
407a475c67fd
patch 8.0.0912: cannot run a job in a hidden terminal
Christian Brabandt <cb@256bit.org>
parents:
11757
diff
changeset
|
6753 #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
|
6754 || 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
|
6755 #endif |
7 | 6756 ) |
6757 return 0; | |
6758 | |
6759 if ( !(buf->b_flags & BF_NOTEDITED) | |
6760 && buf->b_mtime != 0 | |
6761 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0 | |
6762 || time_differs((long)st.st_mtime, buf->b_mtime) | |
5863 | 6763 || st.st_size != buf->b_orig_size |
7 | 6764 #ifdef HAVE_ST_MODE |
6765 || (int)st.st_mode != buf->b_orig_mode | |
6766 #else | |
6767 || mch_getperm(buf->b_ffname) != buf->b_orig_mode | |
6768 #endif | |
6769 )) | |
6770 { | |
6771 retval = 1; | |
6772 | |
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
|
6773 // 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
|
6774 // FileChangedShell autocmd) |
7 | 6775 if (stat_res < 0) |
6776 { | |
16754
8b92f3fea477
patch 8.1.1379: filechanged test hangs
Bram Moolenaar <Bram@vim.org>
parents:
16752
diff
changeset
|
6777 // Check the file again later to see if it re-appears. |
8b92f3fea477
patch 8.1.1379: filechanged test hangs
Bram Moolenaar <Bram@vim.org>
parents:
16752
diff
changeset
|
6778 buf->b_mtime = -1; |
7 | 6779 buf->b_orig_size = 0; |
6780 buf->b_orig_mode = 0; | |
6781 } | |
6782 else | |
6783 buf_store_time(buf, &st, buf->b_ffname); | |
6784 | |
6785 /* Don't do anything for a directory. Might contain the file | |
6786 * explorer. */ | |
6787 if (mch_isdir(buf->b_fname)) | |
6788 ; | |
6789 | |
6790 /* | |
6791 * If 'autoread' is set, the buffer has no changes and the file still | |
6792 * exists, reload the buffer. Use the buffer-local option value if it | |
6793 * was set, the global option value otherwise. | |
6794 */ | |
6795 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar) | |
6796 && !bufIsChanged(buf) && stat_res >= 0) | |
6797 reload = TRUE; | |
6798 else | |
6799 { | |
179 | 6800 if (stat_res < 0) |
6801 reason = "deleted"; | |
6802 else if (bufIsChanged(buf)) | |
6803 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
|
6804 /* |
746b95fd25ad
patch 8.1.0825: code for autocommands is mixed with file I/O code
Bram Moolenaar <Bram@vim.org>
parents:
15607
diff
changeset
|
6805 * 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
|
6806 * 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
|
6807 * 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
|
6808 */ |
179 | 6809 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf)) |
6810 reason = "changed"; | |
6811 else if (orig_mode != buf->b_orig_mode) | |
6812 reason = "mode"; | |
6813 else | |
6814 reason = "time"; | |
6815 | |
7 | 6816 /* |
6817 * Only give the warning if there are no FileChangedShell | |
6818 * autocommands. | |
6819 * Avoid being called recursively by setting "busy". | |
6820 */ | |
6821 busy = TRUE; | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6822 #ifdef FEAT_EVAL |
179 | 6823 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1); |
6824 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1); | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6825 #endif |
1834 | 6826 ++allbuf_lock; |
7 | 6827 n = apply_autocmds(EVENT_FILECHANGEDSHELL, |
6828 buf->b_fname, buf->b_fname, FALSE, buf); | |
1834 | 6829 --allbuf_lock; |
7 | 6830 busy = FALSE; |
6831 if (n) | |
6832 { | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6833 if (!bufref_valid(&bufref)) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6834 emsg(_("E246: FileChangedShell autocommand deleted buffer")); |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6835 #ifdef FEAT_EVAL |
179 | 6836 s = get_vim_var_str(VV_FCS_CHOICE); |
6837 if (STRCMP(s, "reload") == 0 && *reason != 'd') | |
6838 reload = TRUE; | |
6839 else if (STRCMP(s, "ask") == 0) | |
6840 n = FALSE; | |
6841 else | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6842 #endif |
179 | 6843 return 2; |
7 | 6844 } |
179 | 6845 if (!n) |
7 | 6846 { |
179 | 6847 if (*reason == 'd') |
6848 mesg = _("E211: File \"%s\" no longer available"); | |
7 | 6849 else |
6850 { | |
6851 helpmesg = TRUE; | |
6852 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6853 can_reload = TRUE; | |
6854 #endif | |
179 | 6855 if (reason[2] == 'n') |
6856 { | |
7 | 6857 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well"); |
179 | 6858 mesg2 = _("See \":help W12\" for more info."); |
6859 } | |
6860 else if (reason[1] == 'h') | |
6861 { | |
7 | 6862 mesg = _("W11: Warning: File \"%s\" has changed since editing started"); |
179 | 6863 mesg2 = _("See \":help W11\" for more info."); |
6864 } | |
6865 else if (*reason == 'm') | |
6866 { | |
7 | 6867 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started"); |
179 | 6868 mesg2 = _("See \":help W16\" for more info."); |
6869 } | |
1913 | 6870 else |
6871 /* Only timestamp changed, store it to avoid a warning | |
6872 * in check_mtime() later. */ | |
6873 buf->b_mtime_read = buf->b_mtime; | |
7 | 6874 } |
6875 } | |
6876 } | |
6877 | |
6878 } | |
6879 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W) | |
6880 && vim_fexists(buf->b_ffname)) | |
6881 { | |
6882 retval = 1; | |
6883 mesg = _("W13: Warning: File \"%s\" has been created after editing started"); | |
6884 buf->b_flags |= BF_NEW_W; | |
6885 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
6886 can_reload = TRUE; | |
6887 #endif | |
6888 } | |
6889 | |
6890 if (mesg != NULL) | |
6891 { | |
6892 path = home_replace_save(buf, buf->b_fname); | |
6893 if (path != NULL) | |
6894 { | |
179 | 6895 if (!helpmesg) |
7 | 6896 mesg2 = ""; |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16754
diff
changeset
|
6897 tbuf = (char *)alloc(STRLEN(path) + STRLEN(mesg) |
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16754
diff
changeset
|
6898 + STRLEN(mesg2) + 2); |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6899 sprintf(tbuf, mesg, path); |
1848 | 6900 #ifdef FEAT_EVAL |
6901 /* Set warningmsg here, before the unimportant and output-specific | |
6902 * mesg2 has been appended. */ | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6903 set_vim_var_string(VV_WARNINGMSG, (char_u *)tbuf, -1); |
1848 | 6904 #endif |
7 | 6905 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) |
6906 if (can_reload) | |
6907 { | |
6908 if (*mesg2 != NUL) | |
6909 { | |
6910 STRCAT(tbuf, "\n"); | |
6911 STRCAT(tbuf, mesg2); | |
6912 } | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6913 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:
15442
diff
changeset
|
6914 (char_u *)tbuf, |
2684 | 6915 (char_u *)_("&OK\n&Load File"), 1, NULL, TRUE) == 2) |
7 | 6916 reload = TRUE; |
6917 } | |
6918 else | |
6919 #endif | |
6920 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) | |
6921 { | |
6922 if (*mesg2 != NUL) | |
6923 { | |
6924 STRCAT(tbuf, "; "); | |
6925 STRCAT(tbuf, mesg2); | |
6926 } | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
6927 emsg(tbuf); |
7 | 6928 retval = 2; |
6929 } | |
6930 else | |
6931 { | |
6932 if (!autocmd_busy) | |
6933 { | |
6934 msg_start(); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
6935 msg_puts_attr(tbuf, HL_ATTR(HLF_E) + MSG_HIST); |
7 | 6936 if (*mesg2 != NUL) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15531
diff
changeset
|
6937 msg_puts_attr(mesg2, HL_ATTR(HLF_W) + MSG_HIST); |
7 | 6938 msg_clr_eos(); |
6939 (void)msg_end(); | |
6940 if (emsg_silent == 0) | |
6941 { | |
6942 out_flush(); | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6943 #ifdef FEAT_GUI |
7 | 6944 if (!focus) |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
6945 #endif |
7 | 6946 /* give the user some time to think about it */ |
6947 ui_delay(1000L, TRUE); | |
6948 | |
6949 /* don't redraw and erase the message */ | |
6950 redraw_cmdline = FALSE; | |
6951 } | |
6952 } | |
6953 already_warned = TRUE; | |
6954 } | |
6955 | |
6956 vim_free(path); | |
6957 vim_free(tbuf); | |
6958 } | |
6959 } | |
6960 | |
6961 if (reload) | |
3776 | 6962 { |
311 | 6963 /* Reload the buffer. */ |
628 | 6964 buf_reload(buf, orig_mode); |
3776 | 6965 #ifdef FEAT_PERSISTENT_UNDO |
6966 if (buf->b_p_udf && buf->b_ffname != NULL) | |
6967 { | |
6968 char_u hash[UNDO_HASH_SIZE]; | |
6969 buf_T *save_curbuf = curbuf; | |
6970 | |
6971 /* Any existing undo file is unusable, write it now. */ | |
6972 curbuf = buf; | |
6973 u_compute_hash(hash); | |
6974 u_write_undo(NULL, FALSE, buf, hash); | |
6975 curbuf = save_curbuf; | |
6976 } | |
6977 #endif | |
6978 } | |
7 | 6979 |
1620 | 6980 /* Trigger FileChangedShell when the file was changed in any way. */ |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
6981 if (bufref_valid(&bufref) && retval != 0) |
765 | 6982 (void)apply_autocmds(EVENT_FILECHANGEDSHELLPOST, |
6983 buf->b_fname, buf->b_fname, FALSE, buf); | |
7 | 6984 #ifdef FEAT_GUI |
6985 /* restore this in case an autocommand has set it; it would break | |
6986 * 'mousefocus' */ | |
6987 need_mouse_correct = save_mouse_correct; | |
6988 #endif | |
6989 | |
6990 return retval; | |
6991 } | |
6992 | |
311 | 6993 /* |
6994 * Reload a buffer that is already loaded. | |
6995 * Used when the file was changed outside of Vim. | |
628 | 6996 * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. |
6997 * buf->b_orig_mode may have been reset already. | |
311 | 6998 */ |
6999 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7000 buf_reload(buf_T *buf, int orig_mode) |
311 | 7001 { |
7002 exarg_T ea; | |
7003 pos_T old_cursor; | |
7004 linenr_T old_topline; | |
7005 int old_ro = buf->b_p_ro; | |
7006 buf_T *savebuf; | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
7007 bufref_T bufref; |
311 | 7008 int saved = OK; |
7009 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
|
7010 int flags = READ_NEW; |
311 | 7011 |
7012 /* set curwin/curbuf for "buf" and save some things */ | |
7013 aucmd_prepbuf(&aco, buf); | |
7014 | |
7015 /* We only want to read the text from the file, not reset the syntax | |
7016 * highlighting, clear marks, diff status, etc. Force the fileformat | |
7017 * and encoding to be the same. */ | |
7018 if (prep_exarg(&ea, buf) == OK) | |
7019 { | |
7020 old_cursor = curwin->w_cursor; | |
7021 old_topline = curwin->w_topline; | |
7022 | |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7023 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
|
7024 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7025 /* 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
|
7026 * 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
|
7027 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
|
7028 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
|
7029 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
|
7030 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7031 |
311 | 7032 /* |
7033 * To behave like when a new file is edited (matters for | |
7034 * BufReadPost autocommands) we first need to delete the current | |
7035 * buffer contents. But if reading the file fails we should keep | |
7036 * the old contents. Can't use memory only, the file might be | |
7037 * too big. Use a hidden buffer to move the buffer contents to. | |
7038 */ | |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10952
diff
changeset
|
7039 if (BUFEMPTY() || saved == FAIL) |
311 | 7040 savebuf = NULL; |
7041 else | |
7042 { | |
7043 /* Allocate a buffer without putting it in the buffer list. */ | |
7044 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
|
7045 set_bufref(&bufref, savebuf); |
837 | 7046 if (savebuf != NULL && buf == curbuf) |
311 | 7047 { |
7048 /* Open the memline. */ | |
7049 curbuf = savebuf; | |
7050 curwin->w_buffer = savebuf; | |
625 | 7051 saved = ml_open(curbuf); |
311 | 7052 curbuf = buf; |
7053 curwin->w_buffer = buf; | |
7054 } | |
837 | 7055 if (savebuf == NULL || saved == FAIL || buf != curbuf |
311 | 7056 || move_lines(buf, savebuf) == FAIL) |
7057 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
7058 semsg(_("E462: Could not prepare for reloading \"%s\""), |
311 | 7059 buf->b_fname); |
7060 saved = FAIL; | |
7061 } | |
7062 } | |
7063 | |
7064 if (saved == OK) | |
7065 { | |
7066 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */ | |
7067 keep_filetype = TRUE; /* don't detect 'filetype' */ | |
7068 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, | |
7069 (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
|
7070 (linenr_T)MAXLNUM, &ea, flags) != OK) |
311 | 7071 { |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
7072 #if defined(FEAT_EVAL) |
311 | 7073 if (!aborting()) |
7074 #endif | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
7075 semsg(_("E321: Could not reload \"%s\""), buf->b_fname); |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
7076 if (savebuf != NULL && bufref_valid(&bufref) && buf == curbuf) |
311 | 7077 { |
7078 /* Put the text back from the save buffer. First | |
7079 * 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
|
7080 while (!BUFEMPTY()) |
837 | 7081 if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL) |
311 | 7082 break; |
7083 (void)move_lines(savebuf, buf); | |
7084 } | |
7085 } | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7086 else if (buf == curbuf) /* "buf" still valid */ |
311 | 7087 { |
7088 /* Mark the buffer as unmodified and free undo info. */ | |
7089 unchanged(buf, TRUE); | |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7090 if ((flags & READ_KEEP_UNDO) == 0) |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7091 { |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7092 u_blockfree(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7093 u_clearall(buf); |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7094 } |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7095 else |
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
7096 { |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7097 /* Mark all undo states as changed. */ |
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
7098 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
|
7099 } |
311 | 7100 } |
7101 } | |
7102 vim_free(ea.cmd); | |
7103 | |
9487
69ed2c9d34a6
commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
Christian Brabandt <cb@256bit.org>
parents:
9391
diff
changeset
|
7104 if (savebuf != NULL && bufref_valid(&bufref)) |
311 | 7105 wipe_buffer(savebuf, FALSE); |
7106 | |
7107 #ifdef FEAT_DIFF | |
7108 /* Invalidate diff info if necessary. */ | |
837 | 7109 diff_invalidate(curbuf); |
311 | 7110 #endif |
7111 | |
7112 /* Restore the topline and cursor position and check it (lines may | |
7113 * have been removed). */ | |
7114 if (old_topline > curbuf->b_ml.ml_line_count) | |
7115 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
7116 else | |
7117 curwin->w_topline = old_topline; | |
7118 curwin->w_cursor = old_cursor; | |
7119 check_cursor(); | |
7120 update_topline(); | |
7121 keep_filetype = FALSE; | |
7122 #ifdef FEAT_FOLDING | |
7123 { | |
1863 | 7124 win_T *wp; |
7125 tabpage_T *tp; | |
311 | 7126 |
7127 /* Update folds unless they are defined manually. */ | |
1863 | 7128 FOR_ALL_TAB_WINDOWS(tp, wp) |
311 | 7129 if (wp->w_buffer == curwin->w_buffer |
7130 && !foldmethodIsManual(wp)) | |
7131 foldUpdateAll(wp); | |
7132 } | |
7133 #endif | |
7134 /* If the mode didn't change and 'readonly' was set, keep the old | |
7135 * value; the user probably used the ":view" command. But don't | |
7136 * reset it, might have had a read error. */ | |
7137 if (orig_mode == curbuf->b_orig_mode) | |
7138 curbuf->b_p_ro |= old_ro; | |
4071 | 7139 |
7140 /* Modelines must override settings done by autocommands. */ | |
7141 do_modelines(0); | |
311 | 7142 } |
7143 | |
7144 /* restore curwin/curbuf and a few other things */ | |
7145 aucmd_restbuf(&aco); | |
7146 /* Careful: autocommands may have made "buf" invalid! */ | |
7147 } | |
7148 | |
7 | 7149 void |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
7150 buf_store_time(buf_T *buf, stat_T *st, char_u *fname UNUSED) |
7 | 7151 { |
7152 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
|
7153 buf->b_orig_size = st->st_size; |
7 | 7154 #ifdef HAVE_ST_MODE |
7155 buf->b_orig_mode = (int)st->st_mode; | |
7156 #else | |
7157 buf->b_orig_mode = mch_getperm(fname); | |
7158 #endif | |
7159 } | |
7160 | |
7161 /* | |
7162 * Adjust the line with missing eol, used for the next write. | |
7163 * Used for do_filter(), when the input lines for the filter are deleted. | |
7164 */ | |
7165 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7166 write_lnum_adjust(linenr_T offset) |
7 | 7167 { |
2707 | 7168 if (curbuf->b_no_eol_lnum != 0) /* only if there is a missing eol */ |
7169 curbuf->b_no_eol_lnum += offset; | |
7 | 7170 } |
7171 | |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7172 #if defined(TEMPDIRNAMES) || defined(FEAT_EVAL) || defined(PROTO) |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7173 /* |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7174 * Core part of "readdir()" function. |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7175 * Retrieve the list of files/directories of "path" into "gap". |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7176 * Return OK for success, FAIL for failure. |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7177 */ |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7178 int |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7179 readdir_core( |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7180 garray_T *gap, |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7181 char_u *path, |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7182 void *context, |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7183 int (*checkitem)(void *context, char_u *name)) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7184 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7185 int failed = FALSE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7186 #ifdef MSWIN |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7187 char_u *buf, *p; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7188 int ok; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7189 HANDLE hFind = INVALID_HANDLE_VALUE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7190 WIN32_FIND_DATAW wfb; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7191 WCHAR *wn = NULL; // UTF-16 name, NULL when not used. |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7192 #endif |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7193 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7194 ga_init2(gap, (int)sizeof(char *), 20); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7195 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7196 #ifdef MSWIN |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7197 buf = alloc((int)MAXPATHL); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7198 if (buf == NULL) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7199 return FAIL; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7200 STRNCPY(buf, path, MAXPATHL-5); |
16766
d2deaaf21305
patch 8.1.1385: signed/unsigned compiler warning
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
7201 p = buf + STRLEN(buf); |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7202 MB_PTR_BACK(buf, p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7203 if (*p == '\\' || *p == '/') |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7204 *p = NUL; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7205 STRCAT(buf, "\\*"); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7206 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7207 wn = enc_to_utf16(buf, NULL); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7208 if (wn != NULL) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7209 hFind = FindFirstFileW(wn, &wfb); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7210 ok = (hFind != INVALID_HANDLE_VALUE); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7211 if (!ok) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7212 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7213 failed = TRUE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7214 smsg(_(e_notopen), path); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7215 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7216 else |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7217 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7218 while (ok) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7219 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7220 int ignore; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7221 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7222 p = utf16_to_enc(wfb.cFileName, NULL); // p is allocated here |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7223 if (p == NULL) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7224 break; // out of memory |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7225 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7226 ignore = p[0] == '.' && (p[1] == NUL |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7227 || (p[1] == '.' && p[2] == NUL)); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7228 if (!ignore && checkitem != NULL) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7229 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7230 int r = checkitem(context, p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7231 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7232 if (r < 0) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7233 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7234 vim_free(p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7235 break; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
7236 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7237 if (r == 0) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
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16744
diff
changeset
|
7238 ignore = TRUE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
7239 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
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16744
diff
changeset
|
7240 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7241 if (!ignore) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7242 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7243 if (ga_grow(gap, 1) == OK) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7244 ((char_u**)gap->ga_data)[gap->ga_len++] = vim_strsave(p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7245 else |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7246 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7247 failed = TRUE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7248 vim_free(p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7249 break; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7250 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7251 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7252 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7253 vim_free(p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7254 ok = FindNextFileW(hFind, &wfb); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7255 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7256 FindClose(hFind); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7257 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7258 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7259 vim_free(buf); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7260 vim_free(wn); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7261 #else |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7262 DIR *dirp; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7263 struct dirent *dp; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7264 char_u *p; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7265 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7266 dirp = opendir((char *)path); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7267 if (dirp == NULL) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7268 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7269 failed = TRUE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7270 smsg(_(e_notopen), path); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7271 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7272 else |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7273 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7274 for (;;) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7275 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7276 int ignore; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7277 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7278 dp = readdir(dirp); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7279 if (dp == NULL) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7280 break; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7281 p = (char_u *)dp->d_name; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7282 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7283 ignore = p[0] == '.' && |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7284 (p[1] == NUL || |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7285 (p[1] == '.' && p[2] == NUL)); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7286 if (!ignore && checkitem != NULL) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7287 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7288 int r = checkitem(context, p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7289 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7290 if (r < 0) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7291 break; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7292 if (r == 0) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7293 ignore = TRUE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7294 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7295 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7296 if (!ignore) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7297 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7298 if (ga_grow(gap, 1) == OK) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7299 ((char_u**)gap->ga_data)[gap->ga_len++] = vim_strsave(p); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7300 else |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7301 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7302 failed = TRUE; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7303 break; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7304 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7305 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7306 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7307 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7308 closedir(dirp); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7309 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7310 #endif |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7311 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7312 if (!failed && gap->ga_len > 0) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7313 sort_strings((char_u **)gap->ga_data, gap->ga_len); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7314 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7315 return failed ? FAIL : OK; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7316 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7317 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7318 /* |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7319 * Delete "name" and everything in it, recursively. |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7320 * return 0 for success, -1 if some file was not deleted. |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7321 */ |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7322 int |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7323 delete_recursive(char_u *name) |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7324 { |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7325 int result = 0; |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7326 int i; |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7327 char_u *exp; |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7328 garray_T ga; |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7329 |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7330 // A symbolic link to a directory itself is deleted, not the directory it |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7331 // points to. |
7629
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7332 if ( |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
7333 # if defined(UNIX) || defined(MSWIN) |
7657
9c5e8254ea6b
commit https://github.com/vim/vim/commit/203258c3ad2966cc9d08b3805b103333988b30b7
Christian Brabandt <cb@256bit.org>
parents:
7641
diff
changeset
|
7334 mch_isrealdir(name) |
7629
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7335 # else |
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7336 mch_isdir(name) |
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7337 # endif |
befbed72da87
commit https://github.com/vim/vim/commit/43a34f9f74fdce462fa250baab620264c28b6165
Christian Brabandt <cb@256bit.org>
parents:
7615
diff
changeset
|
7338 ) |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7339 { |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7340 exp = vim_strsave(name); |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7341 if (exp == NULL) |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7342 return -1; |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7343 if (readdir_core(&ga, exp, NULL, NULL) == OK) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7344 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7345 for (i = 0; i < ga.ga_len; ++i) |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7346 { |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7347 vim_snprintf((char *)NameBuff, MAXPATHL, "%s/%s", exp, |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7348 ((char_u **)ga.ga_data)[i]); |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7349 if (delete_recursive(NameBuff) != 0) |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7350 result = -1; |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7351 } |
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7352 ga_clear_strings(&ga); |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7353 } |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7354 else |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7355 result = -1; |
16752
e2d8d83e6721
patch 8.1.1378: delete() can not handle a file name that looks like a pattern
Bram Moolenaar <Bram@vim.org>
parents:
16744
diff
changeset
|
7356 (void)mch_rmdir(exp); |
7615
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
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parents:
7410
diff
changeset
|
7357 vim_free(exp); |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
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parents:
7410
diff
changeset
|
7358 } |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
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parents:
7410
diff
changeset
|
7359 else |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7360 result = mch_remove(name) == 0 ? 0 : -1; |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7361 |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7362 return result; |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7363 } |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7364 #endif |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7365 |
7 | 7366 #if defined(TEMPDIRNAMES) || defined(PROTO) |
7367 static long temp_count = 0; /* Temp filename counter. */ | |
7368 | |
7369 /* | |
7370 * Delete the temp directory and all files it contains. | |
7371 */ | |
7372 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7373 vim_deltempdir(void) |
7 | 7374 { |
7375 if (vim_tempdir != NULL) | |
7376 { | |
7615
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commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
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parents:
7410
diff
changeset
|
7377 /* remove the trailing path separator */ |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7378 gettail(vim_tempdir)[-1] = NUL; |
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7410
diff
changeset
|
7379 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
|
7380 VIM_CLEAR(vim_tempdir); |
7 | 7381 } |
7382 } | |
7615
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parents:
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diff
changeset
|
7383 |
7 | 7384 /* |
1997 | 7385 * Directory "tempdir" was created. Expand this name to a full path and put |
7386 * it in "vim_tempdir". This avoids that using ":cd" would confuse us. | |
7387 * "tempdir" must be no longer than MAXPATHL. | |
7388 */ | |
7389 static void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7390 vim_settempdir(char_u *tempdir) |
1997 | 7391 { |
7392 char_u *buf; | |
7393 | |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16754
diff
changeset
|
7394 buf = alloc(MAXPATHL + 2); |
1997 | 7395 if (buf != NULL) |
7396 { | |
7397 if (vim_FullName(tempdir, buf, MAXPATHL, FALSE) == FAIL) | |
7398 STRCPY(buf, tempdir); | |
9536
b2aada04d84e
commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
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parents:
9509
diff
changeset
|
7399 add_pathsep(buf); |
1997 | 7400 vim_tempdir = vim_strsave(buf); |
7401 vim_free(buf); | |
7402 } | |
7403 } | |
2006 | 7404 #endif |
1997 | 7405 |
7406 /* | |
7 | 7407 * vim_tempname(): Return a unique name that can be used for a temp file. |
7408 * | |
9291
bff3cd5cf922
commit https://github.com/vim/vim/commit/76ae22fef3cb224ca7fbf97517f881e825d4d0c2
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parents:
9260
diff
changeset
|
7409 * The temp file is NOT guaranteed to be created. If "keep" is FALSE it is |
bff3cd5cf922
commit https://github.com/vim/vim/commit/76ae22fef3cb224ca7fbf97517f881e825d4d0c2
Christian Brabandt <cb@256bit.org>
parents:
9260
diff
changeset
|
7410 * guaranteed to NOT be created. |
7 | 7411 * |
7412 * The returned pointer is to allocated memory. | |
7413 * The returned pointer is NULL if no valid name was found. | |
7414 */ | |
7415 char_u * | |
7819
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commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
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diff
changeset
|
7416 vim_tempname( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
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parents:
7801
diff
changeset
|
7417 int extra_char UNUSED, /* char to use in the name instead of '?' */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7418 int keep UNUSED) |
7 | 7419 { |
7420 #ifdef USE_TMPNAM | |
7421 char_u itmp[L_tmpnam]; /* use tmpnam() */ | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
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diff
changeset
|
7422 #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:
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diff
changeset
|
7423 WCHAR itmp[TEMPNAMELEN]; |
7 | 7424 #else |
7425 char_u itmp[TEMPNAMELEN]; | |
7426 #endif | |
7427 | |
7428 #ifdef TEMPDIRNAMES | |
7429 static char *(tempdirs[]) = {TEMPDIRNAMES}; | |
7430 int i; | |
7431 # ifndef EEXIST | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9291
diff
changeset
|
7432 stat_T st; |
7 | 7433 # endif |
7434 | |
7435 /* | |
7436 * This will create a directory for private use by this instance of Vim. | |
7437 * This is done once, and the same directory is used for all temp files. | |
7438 * This method avoids security problems because of symlink attacks et al. | |
7439 * It's also a bit faster, because we only need to check for an existing | |
7440 * file when creating the directory and not for each temp file. | |
7441 */ | |
7442 if (vim_tempdir == NULL) | |
7443 { | |
7444 /* | |
7445 * Try the entries in TEMPDIRNAMES to create the temp directory. | |
7446 */ | |
1877 | 7447 for (i = 0; i < (int)(sizeof(tempdirs) / sizeof(char *)); ++i) |
7 | 7448 { |
2047
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2028
diff
changeset
|
7449 # ifndef HAVE_MKDTEMP |
1997 | 7450 size_t itmplen; |
7451 long nr; | |
7452 long off; | |
7453 # endif | |
7454 | |
7305
372c785c04b6
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parents:
7285
diff
changeset
|
7455 /* Expand $TMP, leave room for "/v1100000/999999999". |
372c785c04b6
commit https://github.com/vim/vim/commit/e1a61991d9b6fd5f65636d17583f93118268cda5
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parents:
7285
diff
changeset
|
7456 * Skip the directory check if the expansion fails. */ |
7 | 7457 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20); |
7305
372c785c04b6
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parents:
7285
diff
changeset
|
7458 if (itmp[0] != '$' && mch_isdir(itmp)) |
372c785c04b6
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diff
changeset
|
7459 { |
372c785c04b6
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diff
changeset
|
7460 /* directory exists */ |
9536
b2aada04d84e
commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
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parents:
9509
diff
changeset
|
7461 add_pathsep(itmp); |
1997 | 7462 |
7463 # ifdef HAVE_MKDTEMP | |
9211
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
9068
diff
changeset
|
7464 { |
d2b9e454c73d
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parents:
9068
diff
changeset
|
7465 # if defined(UNIX) || defined(VMS) |
d2b9e454c73d
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parents:
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diff
changeset
|
7466 /* Make sure the umask doesn't remove the executable bit. |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
9068
diff
changeset
|
7467 * "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
|
7468 mode_t umask_save = umask(077); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
9068
diff
changeset
|
7469 # endif |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
9068
diff
changeset
|
7470 /* Leave room for filename */ |
d2b9e454c73d
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parents:
9068
diff
changeset
|
7471 STRCAT(itmp, "vXXXXXX"); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
9068
diff
changeset
|
7472 if (mkdtemp((char *)itmp) != NULL) |
d2b9e454c73d
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parents:
9068
diff
changeset
|
7473 vim_settempdir(itmp); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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9068
diff
changeset
|
7474 # if defined(UNIX) || defined(VMS) |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
9068
diff
changeset
|
7475 (void)umask(umask_save); |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
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parents:
9068
diff
changeset
|
7476 # endif |
d2b9e454c73d
commit https://github.com/vim/vim/commit/35d88f4e2ff5dcd9904f04612d5febede996137c
Christian Brabandt <cb@256bit.org>
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9068
diff
changeset
|
7477 } |
1997 | 7478 # else |
7 | 7479 /* Get an arbitrary number of up to 6 digits. When it's |
7480 * unlikely that it already exists it will be faster, | |
7481 * otherwise it doesn't matter. The use of mkdir() avoids any | |
7482 * security problems because of the predictable number. */ | |
7483 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L; | |
2047
85da03763130
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2028
diff
changeset
|
7484 itmplen = STRLEN(itmp); |
7 | 7485 |
7486 /* Try up to 10000 different values until we find a name that | |
7487 * doesn't exist. */ | |
7488 for (off = 0; off < 10000L; ++off) | |
7489 { | |
7490 int r; | |
1997 | 7491 # if defined(UNIX) || defined(VMS) |
7 | 7492 mode_t umask_save; |
1997 | 7493 # endif |
7494 | |
7495 sprintf((char *)itmp + itmplen, "v%ld", nr + off); | |
7496 # ifndef EEXIST | |
7 | 7497 /* If mkdir() does not set errno to EEXIST, check for |
7498 * existing file here. There is a race condition then, | |
7499 * although it's fail-safe. */ | |
7500 if (mch_stat((char *)itmp, &st) >= 0) | |
7501 continue; | |
1997 | 7502 # endif |
7503 # if defined(UNIX) || defined(VMS) | |
7 | 7504 /* Make sure the umask doesn't remove the executable bit. |
7505 * "repl" has been reported to use "177". */ | |
7506 umask_save = umask(077); | |
1997 | 7507 # endif |
7 | 7508 r = vim_mkdir(itmp, 0700); |
1997 | 7509 # if defined(UNIX) || defined(VMS) |
7 | 7510 (void)umask(umask_save); |
1997 | 7511 # endif |
7 | 7512 if (r == 0) |
7513 { | |
1997 | 7514 vim_settempdir(itmp); |
7 | 7515 break; |
7516 } | |
1997 | 7517 # ifdef EEXIST |
7 | 7518 /* If the mkdir() didn't fail because the file/dir exists, |
7519 * we probably can't create any dir here, try another | |
7520 * place. */ | |
7521 if (errno != EEXIST) | |
1997 | 7522 # endif |
7 | 7523 break; |
7524 } | |
1997 | 7525 # endif /* HAVE_MKDTEMP */ |
7 | 7526 if (vim_tempdir != NULL) |
7527 break; | |
7528 } | |
7529 } | |
7530 } | |
7531 | |
7532 if (vim_tempdir != NULL) | |
7533 { | |
7534 /* There is no need to check if the file exists, because we own the | |
7535 * directory and nobody else creates a file in it. */ | |
7536 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++); | |
7537 return vim_strsave(itmp); | |
7538 } | |
7539 | |
7540 return NULL; | |
7541 | |
7542 #else /* TEMPDIRNAMES */ | |
7543 | |
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patch 8.1.0941: macros for MS-Windows are inconsistent
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diff
changeset
|
7544 # ifdef MSWIN |
15776
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diff
changeset
|
7545 WCHAR wszTempFile[_MAX_PATH + 1]; |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7546 WCHAR buf4[4]; |
7 | 7547 char_u *retval; |
7548 char_u *p; | |
7549 | |
15776
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patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7550 wcscpy(itmp, L""); |
7f91de3f5e35
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diff
changeset
|
7551 if (GetTempPathW(_MAX_PATH, wszTempFile) == 0) |
7f91de3f5e35
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|
7552 { |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7553 wszTempFile[0] = L'.'; // GetTempPathW() failed, use current dir |
7f91de3f5e35
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diff
changeset
|
7554 wszTempFile[1] = NUL; |
7f91de3f5e35
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|
7555 } |
7f91de3f5e35
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diff
changeset
|
7556 wcscpy(buf4, L"VIM"); |
7 | 7557 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */ |
15776
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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diff
changeset
|
7558 if (GetTempFileNameW(wszTempFile, buf4, 0, itmp) == 0) |
7 | 7559 return NULL; |
6721 | 7560 if (!keep) |
15776
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
changeset
|
7561 // GetTempFileName() will create the file, we don't want that |
7f91de3f5e35
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diff
changeset
|
7562 (void)DeleteFileW(itmp); |
7f91de3f5e35
patch 8.1.0895: MS-Windows: dealing with temp name encoding not quite right
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changeset
|
7563 |
7f91de3f5e35
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diff
changeset
|
7564 // Backslashes in a temp file name cause problems when filtering with |
7f91de3f5e35
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
7565 // "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
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
7566 // didn't set 'shellslash'. |
7f91de3f5e35
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diff
changeset
|
7567 retval = utf16_to_enc(itmp, NULL); |
7 | 7568 if (*p_shcf == '-' || p_ssl) |
7569 for (p = retval; *p; ++p) | |
7570 if (*p == '\\') | |
7571 *p = '/'; | |
7572 return retval; | |
7573 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
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diff
changeset
|
7574 # else // MSWIN |
7 | 7575 |
7576 # ifdef USE_TMPNAM | |
2697 | 7577 char_u *p; |
7578 | |
7 | 7579 /* tmpnam() will make its own name */ |
2697 | 7580 p = tmpnam((char *)itmp); |
7581 if (p == NULL || *p == NUL) | |
7 | 7582 return NULL; |
7583 # else | |
7584 char_u *p; | |
7585 | |
7586 # ifdef VMS_TEMPNAM | |
7587 /* mktemp() is not working on VMS. It seems to be | |
7588 * a do-nothing function. Therefore we use tempnam(). | |
7589 */ | |
7590 sprintf((char *)itmp, "VIM%c", extra_char); | |
7591 p = (char_u *)tempnam("tmp:", (char *)itmp); | |
7592 if (p != NULL) | |
7593 { | |
5704 | 7594 /* VMS will use '.LIS' if we don't explicitly specify an extension, |
7 | 7595 * and VIM will then be unable to find the file later */ |
7596 STRCPY(itmp, p); | |
7597 STRCAT(itmp, ".txt"); | |
7598 free(p); | |
7599 } | |
7600 else | |
7601 return NULL; | |
7602 # else | |
7603 STRCPY(itmp, TEMPNAME); | |
7604 if ((p = vim_strchr(itmp, '?')) != NULL) | |
7605 *p = extra_char; | |
7606 if (mktemp((char *)itmp) == NULL) | |
7607 return NULL; | |
7608 # endif | |
7609 # endif | |
7610 | |
7611 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
|
7612 # endif // MSWIN |
7 | 7613 #endif /* TEMPDIRNAMES */ |
7614 } | |
7615 | |
7616 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) | |
7617 /* | |
7170
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7618 * 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
|
7619 * it looks like a URL. |
7 | 7620 */ |
7621 void | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7622 forward_slash(char_u *fname) |
7 | 7623 { |
7624 char_u *p; | |
7625 | |
7170
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7626 if (path_with_url(fname)) |
beb67ef38f88
commit https://github.com/vim/vim/commit/b4f6a46b01ed00b642a2271e9d1559e51ab0f2c4
Christian Brabandt <cb@256bit.org>
parents:
7005
diff
changeset
|
7627 return; |
7 | 7628 for (p = fname; *p != NUL; ++p) |
7629 /* The Big5 encoding can have '\' in the trail byte. */ | |
474 | 7630 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7631 ++p; |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
7632 else if (*p == '\\') |
7 | 7633 *p = '/'; |
7634 } | |
7635 #endif | |
7636 | |
7637 /* | |
153 | 7638 * Try matching a filename with a "pattern" ("prog" is NULL), or use the |
7639 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling | |
7640 * vim_regcomp() often. | |
7 | 7641 * Used for autocommands and 'wildignore'. |
7642 * Returns TRUE if there is a match, FALSE otherwise. | |
7643 */ | |
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
|
7644 int |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7645 match_file_pat( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7646 char_u *pattern, /* pattern to match with */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7647 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
|
7648 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
|
7649 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
|
7650 char_u *tail, /* tail of path */ |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7651 int allow_dirs) /* allow matching with dir */ |
7 | 7652 { |
7653 regmatch_T regmatch; | |
7654 int result = FALSE; | |
7655 | |
4242 | 7656 regmatch.rm_ic = p_fic; /* ignore case if 'fileignorecase' is set */ |
6470 | 7657 if (prog != NULL) |
7658 regmatch.regprog = *prog; | |
7 | 7659 else |
6470 | 7660 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC); |
7 | 7661 |
7662 /* | |
7663 * Try for a match with the pattern with: | |
7664 * 1. the full file name, when the pattern has a '/'. | |
7665 * 2. the short file name, when the pattern has a '/'. | |
7666 * 3. the tail of the file name, when the pattern has no '/'. | |
7667 */ | |
6470 | 7668 if (regmatch.regprog != NULL |
7 | 7669 && ((allow_dirs |
7670 && (vim_regexec(®match, fname, (colnr_T)0) | |
7671 || (sfname != NULL | |
7672 && vim_regexec(®match, sfname, (colnr_T)0)))) | |
6470 | 7673 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0)))) |
7 | 7674 result = TRUE; |
7675 | |
6375 | 7676 if (prog != NULL) |
7677 *prog = regmatch.regprog; | |
7678 else | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4354
diff
changeset
|
7679 vim_regfree(regmatch.regprog); |
7 | 7680 return result; |
7681 } | |
7682 | |
7683 #if defined(FEAT_WILDIGN) || defined(PROTO) | |
7684 /* | |
7685 * Return TRUE if a file matches with a pattern in "list". | |
7686 * "list" is a comma-separated list of patterns, like 'wildignore'. | |
7687 * "sfname" is the short file name or NULL, "ffname" the long file name. | |
7688 */ | |
7689 int | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7690 match_file_list(char_u *list, char_u *sfname, char_u *ffname) |
7 | 7691 { |
7692 char_u buf[100]; | |
7693 char_u *tail; | |
7694 char_u *regpat; | |
7695 char allow_dirs; | |
7696 int match; | |
7697 char_u *p; | |
7698 | |
7699 tail = gettail(sfname); | |
7700 | |
7701 /* try all patterns in 'wildignore' */ | |
7702 p = list; | |
7703 while (*p) | |
7704 { | |
7705 copy_option_part(&p, buf, 100, ","); | |
7706 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE); | |
7707 if (regpat == NULL) | |
7708 break; | |
153 | 7709 match = match_file_pat(regpat, NULL, ffname, sfname, |
7710 tail, (int)allow_dirs); | |
7 | 7711 vim_free(regpat); |
7712 if (match) | |
7713 return TRUE; | |
7714 } | |
7715 return FALSE; | |
7716 } | |
7717 #endif | |
7718 | |
7719 /* | |
7720 * Convert the given pattern "pat" which has shell style wildcards in it, into | |
7721 * a regular expression, and return the result in allocated memory. If there | |
7722 * is a directory path separator to be matched, then TRUE is put in | |
7723 * allow_dirs, otherwise FALSE is put there -- webb. | |
7724 * Handle backslashes before special characters, like "\*" and "\ ". | |
7725 * | |
7726 * Returns NULL when out of memory. | |
7727 */ | |
7728 char_u * | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7729 file_pat_to_reg_pat( |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7730 char_u *pat, |
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7731 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
|
7732 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
|
7733 int no_bslash UNUSED) /* Don't use a backward slash as pathsep */ |
7 | 7734 { |
6470 | 7735 int size = 2; /* '^' at start, '$' at end */ |
7 | 7736 char_u *endp; |
7737 char_u *reg_pat; | |
7738 char_u *p; | |
7739 int i; | |
7740 int nested = 0; | |
7741 int add_dollar = TRUE; | |
7742 | |
7743 if (allow_dirs != NULL) | |
7744 *allow_dirs = FALSE; | |
7745 if (pat_end == NULL) | |
7746 pat_end = pat + STRLEN(pat); | |
7747 | |
7748 for (p = pat; p < pat_end; p++) | |
7749 { | |
7750 switch (*p) | |
7751 { | |
7752 case '*': | |
7753 case '.': | |
7754 case ',': | |
7755 case '{': | |
7756 case '}': | |
7757 case '~': | |
7758 size += 2; /* extra backslash */ | |
7759 break; | |
7760 #ifdef BACKSLASH_IN_FILENAME | |
7761 case '\\': | |
7762 case '/': | |
7763 size += 4; /* could become "[\/]" */ | |
7764 break; | |
7765 #endif | |
7766 default: | |
7767 size++; | |
474 | 7768 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7769 { |
7770 ++p; | |
7771 ++size; | |
7772 } | |
7773 break; | |
7774 } | |
7775 } | |
7776 reg_pat = alloc(size + 1); | |
7777 if (reg_pat == NULL) | |
7778 return NULL; | |
7779 | |
7780 i = 0; | |
7781 | |
7782 if (pat[0] == '*') | |
7783 while (pat[0] == '*' && pat < pat_end - 1) | |
7784 pat++; | |
7785 else | |
7786 reg_pat[i++] = '^'; | |
7787 endp = pat_end - 1; | |
7005 | 7788 if (endp >= pat && *endp == '*') |
7 | 7789 { |
7790 while (endp - pat > 0 && *endp == '*') | |
7791 endp--; | |
7792 add_dollar = FALSE; | |
7793 } | |
7794 for (p = pat; *p && nested >= 0 && p <= endp; p++) | |
7795 { | |
7796 switch (*p) | |
7797 { | |
7798 case '*': | |
7799 reg_pat[i++] = '.'; | |
7800 reg_pat[i++] = '*'; | |
444 | 7801 while (p[1] == '*') /* "**" matches like "*" */ |
7802 ++p; | |
7 | 7803 break; |
7804 case '.': | |
7805 case '~': | |
7806 reg_pat[i++] = '\\'; | |
7807 reg_pat[i++] = *p; | |
7808 break; | |
7809 case '?': | |
7810 reg_pat[i++] = '.'; | |
7811 break; | |
7812 case '\\': | |
7813 if (p[1] == NUL) | |
7814 break; | |
7815 #ifdef BACKSLASH_IN_FILENAME | |
7816 if (!no_bslash) | |
7817 { | |
7818 /* translate: | |
7819 * "\x" to "\\x" e.g., "dir\file" | |
7820 * "\*" to "\\.*" e.g., "dir\*.c" | |
7821 * "\?" to "\\." e.g., "dir\??.c" | |
7822 * "\+" to "\+" e.g., "fileX\+.c" | |
7823 */ | |
7824 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?') | |
7825 && p[1] != '+') | |
7826 { | |
7827 reg_pat[i++] = '['; | |
7828 reg_pat[i++] = '\\'; | |
7829 reg_pat[i++] = '/'; | |
7830 reg_pat[i++] = ']'; | |
7831 if (allow_dirs != NULL) | |
7832 *allow_dirs = TRUE; | |
7833 break; | |
7834 } | |
7835 } | |
7836 #endif | |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7837 /* Undo escaping from ExpandEscape(): |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7838 * foo\?bar -> foo?bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7839 * foo\%bar -> foo%bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7840 * foo\,bar -> foo,bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7841 * foo\ bar -> foo bar |
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7842 * 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
|
7843 * regexp. |
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
7844 * 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
|
7845 * 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
|
7846 */ |
7 | 7847 if (*++p == '?' |
7848 #ifdef BACKSLASH_IN_FILENAME | |
7849 && no_bslash | |
7850 #endif | |
7851 ) | |
7852 reg_pat[i++] = '?'; | |
7853 else | |
5104
93cccad6a26b
updated for version 7.3.1295
Bram Moolenaar <bram@vim.org>
parents:
5008
diff
changeset
|
7854 if (*p == ',' || *p == '%' || *p == '#' |
6999 | 7855 || vim_isspace(*p) || *p == '{' || *p == '}') |
2243
03a5f2897db3
Fix completion of file names with '%' and '*'.
Bram Moolenaar <bram@vim.org>
parents:
2241
diff
changeset
|
7856 reg_pat[i++] = *p; |
5259
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7857 else if (*p == '\\' && p[1] == '\\' && p[2] == '{') |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7858 { |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7859 reg_pat[i++] = '\\'; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7860 reg_pat[i++] = '{'; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7861 p += 2; |
6b7ab6a4f31a
updated for version 7.4b.006
Bram Moolenaar <bram@vim.org>
parents:
5231
diff
changeset
|
7862 } |
7 | 7863 else |
7864 { | |
7865 if (allow_dirs != NULL && vim_ispathsep(*p) | |
7866 #ifdef BACKSLASH_IN_FILENAME | |
7867 && (!no_bslash || *p != '\\') | |
7868 #endif | |
7869 ) | |
7870 *allow_dirs = TRUE; | |
7871 reg_pat[i++] = '\\'; | |
7872 reg_pat[i++] = *p; | |
7873 } | |
7874 break; | |
7875 #ifdef BACKSLASH_IN_FILENAME | |
7876 case '/': | |
7877 reg_pat[i++] = '['; | |
7878 reg_pat[i++] = '\\'; | |
7879 reg_pat[i++] = '/'; | |
7880 reg_pat[i++] = ']'; | |
7881 if (allow_dirs != NULL) | |
7882 *allow_dirs = TRUE; | |
7883 break; | |
7884 #endif | |
7885 case '{': | |
7886 reg_pat[i++] = '\\'; | |
7887 reg_pat[i++] = '('; | |
7888 nested++; | |
7889 break; | |
7890 case '}': | |
7891 reg_pat[i++] = '\\'; | |
7892 reg_pat[i++] = ')'; | |
7893 --nested; | |
7894 break; | |
7895 case ',': | |
7896 if (nested) | |
7897 { | |
7898 reg_pat[i++] = '\\'; | |
7899 reg_pat[i++] = '|'; | |
7900 } | |
7901 else | |
7902 reg_pat[i++] = ','; | |
7903 break; | |
7904 default: | |
474 | 7905 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1) |
7 | 7906 reg_pat[i++] = *p++; |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
7907 else if (allow_dirs != NULL && vim_ispathsep(*p)) |
7 | 7908 *allow_dirs = TRUE; |
7909 reg_pat[i++] = *p; | |
7910 break; | |
7911 } | |
7912 } | |
7913 if (add_dollar) | |
7914 reg_pat[i++] = '$'; | |
7915 reg_pat[i] = NUL; | |
7916 if (nested != 0) | |
7917 { | |
7918 if (nested < 0) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
7919 emsg(_("E219: Missing {.")); |
7 | 7920 else |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15442
diff
changeset
|
7921 emsg(_("E220: Missing }.")); |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13240
diff
changeset
|
7922 VIM_CLEAR(reg_pat); |
7 | 7923 } |
7924 return reg_pat; | |
7925 } | |
2664 | 7926 |
7927 #if defined(EINTR) || defined(PROTO) | |
7928 /* | |
7929 * Version of read() that retries when interrupted by EINTR (possibly | |
7930 * by a SIGWINCH). | |
7931 */ | |
7932 long | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7933 read_eintr(int fd, void *buf, size_t bufsize) |
2664 | 7934 { |
7935 long ret; | |
7936 | |
7937 for (;;) | |
7938 { | |
7939 ret = vim_read(fd, buf, bufsize); | |
7940 if (ret >= 0 || errno != EINTR) | |
7941 break; | |
7942 } | |
7943 return ret; | |
7944 } | |
7945 | |
7946 /* | |
7947 * Version of write() that retries when interrupted by EINTR (possibly | |
7948 * by a SIGWINCH). | |
7949 */ | |
7950 long | |
7819
f86adafb28d4
commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
7951 write_eintr(int fd, void *buf, size_t bufsize) |
2664 | 7952 { |
7953 long ret = 0; | |
7954 long wlen; | |
7955 | |
7956 /* Repeat the write() so long it didn't fail, other than being interrupted | |
7957 * by a signal. */ | |
7958 while (ret < (long)bufsize) | |
7959 { | |
2666 | 7960 wlen = vim_write(fd, (char *)buf + ret, bufsize - ret); |
2664 | 7961 if (wlen < 0) |
7962 { | |
7963 if (errno != EINTR) | |
7964 break; | |
7965 } | |
7966 else | |
7967 ret += wlen; | |
7968 } | |
7969 return ret; | |
7970 } | |
7971 #endif |