Mercurial > vim
annotate src/memline.c @ 22731:45c95095984a
Added tag v8.2.1913 for changeset 28001013f467370c5d2c0ca652da52cec3982371
author | Bram Moolenaar <Bram@vim.org> |
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date | Tue, 27 Oct 2020 20:45:04 +0100 |
parents | e82579016863 |
children | 83c2c489cb1b |
rev | line source |
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10042
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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 | |
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10 // for debugging |
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11 // #define CHECK(c, s) do { if (c) emsg((s)); } while (0) |
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12 #define CHECK(c, s) do { /**/ } while (0) |
7 | 13 |
14 /* | |
15 * memline.c: Contains the functions for appending, deleting and changing the | |
625 | 16 * text lines. The memfile functions are used to store the information in |
17 * blocks of memory, backed up by a file. The structure of the information is | |
18 * a tree. The root of the tree is a pointer block. The leaves of the tree | |
19 * are data blocks. In between may be several layers of pointer blocks, | |
20 * forming branches. | |
7 | 21 * |
22 * Three types of blocks are used: | |
23 * - Block nr 0 contains information for recovery | |
24 * - Pointer blocks contain list of pointers to other blocks. | |
25 * - Data blocks contain the actual text. | |
26 * | |
27 * Block nr 0 contains the block0 structure (see below). | |
28 * | |
29 * Block nr 1 is the first pointer block. It is the root of the tree. | |
30 * Other pointer blocks are branches. | |
31 * | |
32 * If a line is too big to fit in a single page, the block containing that | |
33 * line is made big enough to hold the line. It may span several pages. | |
34 * Otherwise all blocks are one page. | |
35 * | |
36 * A data block that was filled when starting to edit a file and was not | |
37 * changed since then, can have a negative block number. This means that it | |
38 * has not yet been assigned a place in the file. When recovering, the lines | |
39 * in this data block can be read from the original file. When the block is | |
40 * changed (lines appended/deleted/changed) or when it is flushed it gets a | |
41 * positive number. Use mf_trans_del() to get the new number, before calling | |
42 * mf_get(). | |
43 */ | |
44 | |
45 #include "vim.h" | |
46 | |
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47 #ifndef UNIX // it's in os_unix.h for Unix |
7 | 48 # include <time.h> |
49 #endif | |
50 | |
1030 | 51 #if defined(SASC) || defined(__amigaos4__) |
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52 # include <proto/dos.h> // for Open() and Close() |
7 | 53 #endif |
54 | |
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55 typedef struct block0 ZERO_BL; // contents of the first block |
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56 typedef struct pointer_block PTR_BL; // contents of a pointer block |
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57 typedef struct data_block DATA_BL; // contents of a data block |
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58 typedef struct pointer_entry PTR_EN; // block/line-count pair |
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59 |
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60 #define DATA_ID (('d' << 8) + 'a') // data block id |
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61 #define PTR_ID (('p' << 8) + 't') // pointer block id |
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62 #define BLOCK0_ID0 'b' // block 0 id 0 |
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63 #define BLOCK0_ID1 '0' // block 0 id 1 |
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64 #define BLOCK0_ID1_C0 'c' // block 0 id 1 'cm' 0 |
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65 #define BLOCK0_ID1_C1 'C' // block 0 id 1 'cm' 1 |
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66 #define BLOCK0_ID1_C2 'd' // block 0 id 1 'cm' 2 |
6122 | 67 |
68 #if defined(FEAT_CRYPT) | |
69 static int id1_codes[] = { | |
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70 BLOCK0_ID1_C0, // CRYPT_M_ZIP |
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71 BLOCK0_ID1_C1, // CRYPT_M_BF |
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72 BLOCK0_ID1_C2, // CRYPT_M_BF2 |
6122 | 73 }; |
74 #endif | |
7 | 75 |
76 /* | |
77 * pointer to a block, used in a pointer block | |
78 */ | |
79 struct pointer_entry | |
80 { | |
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81 blocknr_T pe_bnum; // block number |
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82 linenr_T pe_line_count; // number of lines in this branch |
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83 linenr_T pe_old_lnum; // lnum for this block (for recovery) |
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84 int pe_page_count; // number of pages in block pe_bnum |
7 | 85 }; |
86 | |
87 /* | |
88 * A pointer block contains a list of branches in the tree. | |
89 */ | |
90 struct pointer_block | |
91 { | |
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92 short_u pb_id; // ID for pointer block: PTR_ID |
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93 short_u pb_count; // number of pointers in this block |
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94 short_u pb_count_max; // maximum value for pb_count |
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95 PTR_EN pb_pointer[1]; // list of pointers to blocks (actually longer) |
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96 // followed by empty space until end of page |
7 | 97 }; |
98 | |
99 /* | |
100 * A data block is a leaf in the tree. | |
101 * | |
102 * The text of the lines is at the end of the block. The text of the first line | |
103 * in the block is put at the end, the text of the second line in front of it, | |
104 * etc. Thus the order of the lines is the opposite of the line number. | |
105 */ | |
106 struct data_block | |
107 { | |
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108 short_u db_id; // ID for data block: DATA_ID |
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109 unsigned db_free; // free space available |
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110 unsigned db_txt_start; // byte where text starts |
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111 unsigned db_txt_end; // byte just after data block |
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112 linenr_T db_line_count; // number of lines in this block |
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113 unsigned db_index[1]; // index for start of line (actually bigger) |
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114 // followed by empty space up to db_txt_start |
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115 // followed by the text in the lines until |
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116 // end of page |
7 | 117 }; |
118 | |
119 /* | |
120 * The low bits of db_index hold the actual index. The topmost bit is | |
121 * used for the global command to be able to mark a line. | |
122 * This method is not clean, but otherwise there would be at least one extra | |
123 * byte used for each line. | |
124 * The mark has to be in this place to keep it with the correct line when other | |
125 * lines are inserted or deleted. | |
126 */ | |
127 #define DB_MARKED ((unsigned)1 << ((sizeof(unsigned) * 8) - 1)) | |
128 #define DB_INDEX_MASK (~DB_MARKED) | |
129 | |
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130 #define INDEX_SIZE (sizeof(unsigned)) // size of one db_index entry |
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131 #define HEADER_SIZE (sizeof(DATA_BL) - INDEX_SIZE) // size of data block header |
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132 |
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133 #define B0_FNAME_SIZE_ORG 900 // what it was in older versions |
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134 #define B0_FNAME_SIZE_NOCRYPT 898 // 2 bytes used for other things |
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135 #define B0_FNAME_SIZE_CRYPT 890 // 10 bytes used for other things |
39 | 136 #define B0_UNAME_SIZE 40 |
137 #define B0_HNAME_SIZE 40 | |
7 | 138 /* |
139 * Restrict the numbers to 32 bits, otherwise most compilers will complain. | |
140 * This won't detect a 64 bit machine that only swaps a byte in the top 32 | |
141 * bits, but that is crazy anyway. | |
142 */ | |
143 #define B0_MAGIC_LONG 0x30313233L | |
144 #define B0_MAGIC_INT 0x20212223L | |
145 #define B0_MAGIC_SHORT 0x10111213L | |
146 #define B0_MAGIC_CHAR 0x55 | |
147 | |
148 /* | |
149 * Block zero holds all info about the swap file. | |
150 * | |
151 * NOTE: DEFINITION OF BLOCK 0 SHOULD NOT CHANGE! It would make all existing | |
152 * swap files unusable! | |
153 * | |
154 * If size of block0 changes anyway, adjust MIN_SWAP_PAGE_SIZE in vim.h!! | |
155 * | |
1228 | 156 * This block is built up of single bytes, to make it portable across |
7 | 157 * different machines. b0_magic_* is used to check the byte order and size of |
158 * variables, because the rest of the swap file is not portable. | |
159 */ | |
160 struct block0 | |
161 { | |
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162 char_u b0_id[2]; // id for block 0: BLOCK0_ID0 and BLOCK0_ID1, |
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163 // BLOCK0_ID1_C0, BLOCK0_ID1_C1, etc. |
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164 char_u b0_version[10]; // Vim version string |
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165 char_u b0_page_size[4];// number of bytes per page |
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166 char_u b0_mtime[4]; // last modification time of file |
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167 char_u b0_ino[4]; // inode of b0_fname |
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168 char_u b0_pid[4]; // process id of creator (or 0) |
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169 char_u b0_uname[B0_UNAME_SIZE]; // name of user (uid if no name) |
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170 char_u b0_hname[B0_HNAME_SIZE]; // host name (if it has a name) |
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171 char_u b0_fname[B0_FNAME_SIZE_ORG]; // name of file being edited |
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172 long b0_magic_long; // check for byte order of long |
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173 int b0_magic_int; // check for byte order of int |
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174 short b0_magic_short; // check for byte order of short |
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175 char_u b0_magic_char; // check for last char |
7 | 176 }; |
39 | 177 |
178 /* | |
625 | 179 * Note: b0_dirty and b0_flags are put at the end of the file name. For very |
39 | 180 * long file names in older versions of Vim they are invalid. |
181 * The 'fileencoding' comes before b0_flags, with a NUL in front. But only | |
182 * when there is room, for very long file names it's omitted. | |
183 */ | |
184 #define B0_DIRTY 0x55 | |
2267 | 185 #define b0_dirty b0_fname[B0_FNAME_SIZE_ORG - 1] |
39 | 186 |
187 /* | |
188 * The b0_flags field is new in Vim 7.0. | |
189 */ | |
2267 | 190 #define b0_flags b0_fname[B0_FNAME_SIZE_ORG - 2] |
191 | |
192 /* | |
193 * Crypt seed goes here, 8 bytes. New in Vim 7.3. | |
194 * Without encryption these bytes may be used for 'fenc'. | |
195 */ | |
196 #define b0_seed b0_fname[B0_FNAME_SIZE_ORG - 2 - MF_SEED_LEN] | |
39 | 197 |
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198 // The lowest two bits contain the fileformat. Zero means it's not set |
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199 // (compatible with Vim 6.x), otherwise it's EOL_UNIX + 1, EOL_DOS + 1 or |
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200 // EOL_MAC + 1. |
39 | 201 #define B0_FF_MASK 3 |
202 | |
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203 // Swap file is in directory of edited file. Used to find the file from |
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204 // different mount points. |
39 | 205 #define B0_SAME_DIR 4 |
206 | |
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207 // The 'fileencoding' is at the end of b0_fname[], with a NUL in front of it. |
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208 // When empty there is only the NUL. |
39 | 209 #define B0_HAS_FENC 8 |
7 | 210 |
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211 #define STACK_INCR 5 // nr of entries added to ml_stack at a time |
7 | 212 |
213 /* | |
214 * The line number where the first mark may be is remembered. | |
215 * If it is 0 there are no marks at all. | |
216 * (always used for the current buffer only, no buffer change possible while | |
217 * executing a global command). | |
218 */ | |
219 static linenr_T lowest_marked = 0; | |
220 | |
221 /* | |
222 * arguments for ml_find_line() | |
223 */ | |
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224 #define ML_DELETE 0x11 // delete line |
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225 #define ML_INSERT 0x12 // insert line |
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226 #define ML_FIND 0x13 // just find the line |
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227 #define ML_FLUSH 0x02 // flush locked block |
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228 #define ML_SIMPLE(x) (x & 0x10) // DEL, INS or FIND |
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229 |
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230 // argument for ml_upd_block0() |
2267 | 231 typedef enum { |
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232 UB_FNAME = 0 // update timestamp and filename |
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233 , UB_SAME_DIR // update the B0_SAME_DIR flag |
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234 , UB_CRYPT // update crypt key |
2267 | 235 } upd_block0_T; |
236 | |
237 #ifdef FEAT_CRYPT | |
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238 static void ml_set_b0_crypt(buf_T *buf, ZERO_BL *b0p); |
2267 | 239 #endif |
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240 static void ml_upd_block0(buf_T *buf, upd_block0_T what); |
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241 static void set_b0_fname(ZERO_BL *, buf_T *buf); |
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242 static void set_b0_dir_flag(ZERO_BL *b0p, buf_T *buf); |
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243 static void add_b0_fenc(ZERO_BL *b0p, buf_T *buf); |
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244 static time_t swapfile_info(char_u *); |
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245 static int recov_file_names(char_u **, char_u *, int prepend_dot); |
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246 static char_u *findswapname(buf_T *, char_u **, char_u *); |
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247 static void ml_flush_line(buf_T *); |
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248 static bhdr_T *ml_new_data(memfile_T *, int, int); |
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249 static bhdr_T *ml_new_ptr(memfile_T *); |
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250 static bhdr_T *ml_find_line(buf_T *, linenr_T, int); |
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251 static int ml_add_stack(buf_T *); |
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252 static void ml_lineadd(buf_T *, int); |
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253 static int b0_magic_wrong(ZERO_BL *); |
7 | 254 #ifdef CHECK_INODE |
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255 static int fnamecmp_ino(char_u *, char_u *, long); |
7 | 256 #endif |
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257 static void long_to_char(long, char_u *); |
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258 static long char_to_long(char_u *); |
2267 | 259 #ifdef FEAT_CRYPT |
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260 static cryptstate_T *ml_crypt_prepare(memfile_T *mfp, off_T offset, int reading); |
2267 | 261 #endif |
7 | 262 #ifdef FEAT_BYTEOFF |
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263 static void ml_updatechunk(buf_T *buf, long line, long len, int updtype); |
7 | 264 #endif |
265 | |
266 /* | |
625 | 267 * Open a new memline for "buf". |
7 | 268 * |
625 | 269 * Return FAIL for failure, OK otherwise. |
7 | 270 */ |
271 int | |
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272 ml_open(buf_T *buf) |
7 | 273 { |
274 memfile_T *mfp; | |
275 bhdr_T *hp = NULL; | |
276 ZERO_BL *b0p; | |
277 PTR_BL *pp; | |
278 DATA_BL *dp; | |
279 | |
625 | 280 /* |
281 * init fields in memline struct | |
282 */ | |
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283 buf->b_ml.ml_stack_size = 0; // no stack yet |
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284 buf->b_ml.ml_stack = NULL; // no stack yet |
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285 buf->b_ml.ml_stack_top = 0; // nothing in the stack |
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286 buf->b_ml.ml_locked = NULL; // no cached block |
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287 buf->b_ml.ml_line_lnum = 0; // no cached line |
7 | 288 #ifdef FEAT_BYTEOFF |
625 | 289 buf->b_ml.ml_chunksize = NULL; |
7 | 290 #endif |
291 | |
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292 if (cmdmod.cmod_flags & CMOD_NOSWAPFILE) |
5737 | 293 buf->b_p_swf = FALSE; |
294 | |
625 | 295 /* |
296 * When 'updatecount' is non-zero swap file may be opened later. | |
297 */ | |
298 if (p_uc && buf->b_p_swf) | |
299 buf->b_may_swap = TRUE; | |
7 | 300 else |
625 | 301 buf->b_may_swap = FALSE; |
302 | |
303 /* | |
304 * Open the memfile. No swap file is created yet. | |
305 */ | |
7 | 306 mfp = mf_open(NULL, 0); |
307 if (mfp == NULL) | |
308 goto error; | |
309 | |
625 | 310 buf->b_ml.ml_mfp = mfp; |
2267 | 311 #ifdef FEAT_CRYPT |
312 mfp->mf_buffer = buf; | |
313 #endif | |
625 | 314 buf->b_ml.ml_flags = ML_EMPTY; |
315 buf->b_ml.ml_line_count = 1; | |
13 | 316 #ifdef FEAT_LINEBREAK |
317 curwin->w_nrwidth_line_count = 0; | |
318 #endif | |
7 | 319 |
320 /* | |
321 * fill block0 struct and write page 0 | |
322 */ | |
323 if ((hp = mf_new(mfp, FALSE, 1)) == NULL) | |
324 goto error; | |
325 if (hp->bh_bnum != 0) | |
326 { | |
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327 iemsg(_("E298: Didn't get block nr 0?")); |
7 | 328 goto error; |
329 } | |
330 b0p = (ZERO_BL *)(hp->bh_data); | |
331 | |
332 b0p->b0_id[0] = BLOCK0_ID0; | |
333 b0p->b0_id[1] = BLOCK0_ID1; | |
334 b0p->b0_magic_long = (long)B0_MAGIC_LONG; | |
335 b0p->b0_magic_int = (int)B0_MAGIC_INT; | |
336 b0p->b0_magic_short = (short)B0_MAGIC_SHORT; | |
337 b0p->b0_magic_char = B0_MAGIC_CHAR; | |
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338 mch_memmove(b0p->b0_version, "VIM ", 4); |
7 | 339 STRNCPY(b0p->b0_version + 4, Version, 6); |
340 long_to_char((long)mfp->mf_page_size, b0p->b0_page_size); | |
625 | 341 |
800 | 342 #ifdef FEAT_SPELL |
343 if (!buf->b_spell) | |
344 #endif | |
625 | 345 { |
346 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0; | |
347 b0p->b0_flags = get_fileformat(buf) + 1; | |
348 set_b0_fname(b0p, buf); | |
349 (void)get_user_name(b0p->b0_uname, B0_UNAME_SIZE); | |
350 b0p->b0_uname[B0_UNAME_SIZE - 1] = NUL; | |
351 mch_get_host_name(b0p->b0_hname, B0_HNAME_SIZE); | |
352 b0p->b0_hname[B0_HNAME_SIZE - 1] = NUL; | |
353 long_to_char(mch_get_pid(), b0p->b0_pid); | |
2267 | 354 #ifdef FEAT_CRYPT |
6122 | 355 ml_set_b0_crypt(buf, b0p); |
2267 | 356 #endif |
625 | 357 } |
7 | 358 |
359 /* | |
360 * Always sync block number 0 to disk, so we can check the file name in | |
2267 | 361 * the swap file in findswapname(). Don't do this for a help files or |
362 * a spell buffer though. | |
7 | 363 * Only works when there's a swapfile, otherwise it's done when the file |
364 * is created. | |
365 */ | |
366 mf_put(mfp, hp, TRUE, FALSE); | |
625 | 367 if (!buf->b_help && !B_SPELL(buf)) |
7 | 368 (void)mf_sync(mfp, 0); |
369 | |
625 | 370 /* |
371 * Fill in root pointer block and write page 1. | |
372 */ | |
7 | 373 if ((hp = ml_new_ptr(mfp)) == NULL) |
374 goto error; | |
375 if (hp->bh_bnum != 1) | |
376 { | |
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377 iemsg(_("E298: Didn't get block nr 1?")); |
7 | 378 goto error; |
379 } | |
380 pp = (PTR_BL *)(hp->bh_data); | |
381 pp->pb_count = 1; | |
382 pp->pb_pointer[0].pe_bnum = 2; | |
383 pp->pb_pointer[0].pe_page_count = 1; | |
384 pp->pb_pointer[0].pe_old_lnum = 1; | |
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385 pp->pb_pointer[0].pe_line_count = 1; // line count after insertion |
7 | 386 mf_put(mfp, hp, TRUE, FALSE); |
387 | |
625 | 388 /* |
389 * Allocate first data block and create an empty line 1. | |
390 */ | |
7 | 391 if ((hp = ml_new_data(mfp, FALSE, 1)) == NULL) |
392 goto error; | |
393 if (hp->bh_bnum != 2) | |
394 { | |
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395 iemsg(_("E298: Didn't get block nr 2?")); |
7 | 396 goto error; |
397 } | |
398 | |
399 dp = (DATA_BL *)(hp->bh_data); | |
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400 dp->db_index[0] = --dp->db_txt_start; // at end of block |
7 | 401 dp->db_free -= 1 + INDEX_SIZE; |
402 dp->db_line_count = 1; | |
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403 *((char_u *)dp + dp->db_txt_start) = NUL; // empty line |
7 | 404 |
405 return OK; | |
406 | |
407 error: | |
408 if (mfp != NULL) | |
409 { | |
410 if (hp) | |
411 mf_put(mfp, hp, FALSE, FALSE); | |
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412 mf_close(mfp, TRUE); // will also free(mfp->mf_fname) |
7 | 413 } |
625 | 414 buf->b_ml.ml_mfp = NULL; |
7 | 415 return FAIL; |
416 } | |
417 | |
2267 | 418 #if defined(FEAT_CRYPT) || defined(PROTO) |
419 /* | |
6130 | 420 * Prepare encryption for "buf" for the current key and method. |
421 */ | |
422 static void | |
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423 ml_set_mfp_crypt(buf_T *buf) |
6130 | 424 { |
425 if (*buf->b_p_key != NUL) | |
426 { | |
427 int method_nr = crypt_get_method_nr(buf); | |
428 | |
429 if (method_nr > CRYPT_M_ZIP) | |
430 { | |
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431 // Generate a seed and store it in the memfile. |
6130 | 432 sha2_seed(buf->b_ml.ml_mfp->mf_seed, MF_SEED_LEN, NULL, 0); |
433 } | |
434 } | |
435 } | |
436 | |
437 /* | |
2267 | 438 * Prepare encryption for "buf" with block 0 "b0p". |
439 */ | |
440 static void | |
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441 ml_set_b0_crypt(buf_T *buf, ZERO_BL *b0p) |
2267 | 442 { |
443 if (*buf->b_p_key == NUL) | |
444 b0p->b0_id[1] = BLOCK0_ID1; | |
445 else | |
446 { | |
6122 | 447 int method_nr = crypt_get_method_nr(buf); |
448 | |
449 b0p->b0_id[1] = id1_codes[method_nr]; | |
450 if (method_nr > CRYPT_M_ZIP) | |
2267 | 451 { |
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452 // Generate a seed and store it in block 0 and in the memfile. |
2267 | 453 sha2_seed(&b0p->b0_seed, MF_SEED_LEN, NULL, 0); |
454 mch_memmove(buf->b_ml.ml_mfp->mf_seed, &b0p->b0_seed, MF_SEED_LEN); | |
455 } | |
456 } | |
457 } | |
458 | |
459 /* | |
460 * Called after the crypt key or 'cryptmethod' was changed for "buf". | |
461 * Will apply this to the swapfile. | |
462 * "old_key" is the previous key. It is equal to buf->b_p_key when | |
463 * 'cryptmethod' is changed. | |
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464 * "old_cm" is the previous 'cryptmethod'. It is equal to the current |
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465 * 'cryptmethod' when 'key' is changed. |
2267 | 466 */ |
467 void | |
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468 ml_set_crypt_key( |
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469 buf_T *buf, |
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470 char_u *old_key, |
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471 char_u *old_cm) |
2267 | 472 { |
473 memfile_T *mfp = buf->b_ml.ml_mfp; | |
474 bhdr_T *hp; | |
475 int page_count; | |
476 int idx; | |
477 long error; | |
478 infoptr_T *ip; | |
479 PTR_BL *pp; | |
480 DATA_BL *dp; | |
481 blocknr_T bnum; | |
482 int top; | |
6817 | 483 int old_method; |
2267 | 484 |
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485 if (mfp == NULL) |
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486 return; // no memfile yet, nothing to do |
6817 | 487 old_method = crypt_method_nr_from_name(old_cm); |
488 | |
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489 // First make sure the swapfile is in a consistent state, using the old |
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490 // key and method. |
6817 | 491 { |
492 char_u *new_key = buf->b_p_key; | |
493 char_u *new_buf_cm = buf->b_p_cm; | |
494 | |
495 buf->b_p_key = old_key; | |
496 buf->b_p_cm = old_cm; | |
497 ml_preserve(buf, FALSE); | |
498 buf->b_p_key = new_key; | |
499 buf->b_p_cm = new_buf_cm; | |
500 } | |
2267 | 501 |
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502 // Set the key, method and seed to be used for reading, these must be the |
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503 // old values. |
2267 | 504 mfp->mf_old_key = old_key; |
6817 | 505 mfp->mf_old_cm = old_method; |
506 if (old_method > 0 && *old_key != NUL) | |
2267 | 507 mch_memmove(mfp->mf_old_seed, mfp->mf_seed, MF_SEED_LEN); |
508 | |
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509 // Update block 0 with the crypt flag and may set a new seed. |
2267 | 510 ml_upd_block0(buf, UB_CRYPT); |
511 | |
512 if (mfp->mf_infile_count > 2) | |
513 { | |
514 /* | |
515 * Need to read back all data blocks from disk, decrypt them with the | |
516 * old key/method and mark them to be written. The algorithm is | |
517 * similar to what happens in ml_recover(), but we skip negative block | |
518 * numbers. | |
519 */ | |
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520 ml_flush_line(buf); // flush buffered line |
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521 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); // flush locked block |
2267 | 522 |
523 hp = NULL; | |
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524 bnum = 1; // start with block 1 |
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525 page_count = 1; // which is 1 page |
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526 idx = 0; // start with first index in block 1 |
2267 | 527 error = 0; |
528 buf->b_ml.ml_stack_top = 0; | |
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529 VIM_CLEAR(buf->b_ml.ml_stack); |
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530 buf->b_ml.ml_stack_size = 0; // no stack yet |
2267 | 531 |
532 for ( ; !got_int; line_breakcheck()) | |
533 { | |
534 if (hp != NULL) | |
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535 mf_put(mfp, hp, FALSE, FALSE); // release previous block |
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536 |
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537 // get the block (pointer or data) |
2267 | 538 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL) |
539 { | |
540 if (bnum == 1) | |
541 break; | |
542 ++error; | |
543 } | |
544 else | |
545 { | |
546 pp = (PTR_BL *)(hp->bh_data); | |
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547 if (pp->pb_id == PTR_ID) // it is a pointer block |
2267 | 548 { |
549 if (pp->pb_count == 0) | |
550 { | |
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551 // empty block? |
2267 | 552 ++error; |
553 } | |
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554 else if (idx < (int)pp->pb_count) // go a block deeper |
2267 | 555 { |
556 if (pp->pb_pointer[idx].pe_bnum < 0) | |
557 { | |
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558 // Skip data block with negative block number. |
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559 // Should not happen, because of the ml_preserve() |
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560 // above. Get same block again for next index. |
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561 ++idx; |
2267 | 562 continue; |
563 } | |
564 | |
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565 // going one block deeper in the tree, new entry in |
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566 // stack |
2267 | 567 if ((top = ml_add_stack(buf)) < 0) |
568 { | |
569 ++error; | |
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570 break; // out of memory |
2267 | 571 } |
572 ip = &(buf->b_ml.ml_stack[top]); | |
573 ip->ip_bnum = bnum; | |
574 ip->ip_index = idx; | |
575 | |
576 bnum = pp->pb_pointer[idx].pe_bnum; | |
577 page_count = pp->pb_pointer[idx].pe_page_count; | |
6817 | 578 idx = 0; |
2267 | 579 continue; |
580 } | |
581 } | |
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582 else // not a pointer block |
2267 | 583 { |
584 dp = (DATA_BL *)(hp->bh_data); | |
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585 if (dp->db_id != DATA_ID) // block id wrong |
2267 | 586 ++error; |
587 else | |
588 { | |
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589 // It is a data block, need to write it back to disk. |
2267 | 590 mf_put(mfp, hp, TRUE, FALSE); |
591 hp = NULL; | |
592 } | |
593 } | |
594 } | |
595 | |
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596 if (buf->b_ml.ml_stack_top == 0) // finished |
2267 | 597 break; |
598 | |
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599 // go one block up in the tree |
2267 | 600 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]); |
601 bnum = ip->ip_bnum; | |
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602 idx = ip->ip_index + 1; // go to next index |
2267 | 603 page_count = 1; |
604 } | |
6817 | 605 if (hp != NULL) |
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606 mf_put(mfp, hp, FALSE, FALSE); // release previous block |
2657 | 607 |
608 if (error > 0) | |
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609 emsg(_("E843: Error while updating swap file crypt")); |
2267 | 610 } |
611 | |
612 mfp->mf_old_key = NULL; | |
613 } | |
614 #endif | |
615 | |
7 | 616 /* |
617 * ml_setname() is called when the file name of "buf" has been changed. | |
618 * It may rename the swap file. | |
619 */ | |
620 void | |
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621 ml_setname(buf_T *buf) |
7 | 622 { |
623 int success = FALSE; | |
624 memfile_T *mfp; | |
625 char_u *fname; | |
626 char_u *dirp; | |
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627 #if defined(MSWIN) |
7 | 628 char_u *p; |
629 #endif | |
630 | |
631 mfp = buf->b_ml.ml_mfp; | |
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632 if (mfp->mf_fd < 0) // there is no swap file yet |
7 | 633 { |
634 /* | |
635 * When 'updatecount' is 0 and 'noswapfile' there is no swap file. | |
636 * For help files we will make a swap file now. | |
637 */ | |
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638 if (p_uc != 0 && (cmdmod.cmod_flags & CMOD_NOSWAPFILE) == 0) |
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639 ml_open_file(buf); // create a swap file |
7 | 640 return; |
641 } | |
642 | |
643 /* | |
644 * Try all directories in the 'directory' option. | |
645 */ | |
646 dirp = p_dir; | |
647 for (;;) | |
648 { | |
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649 if (*dirp == NUL) // tried all directories, fail |
7 | 650 break; |
43 | 651 fname = findswapname(buf, &dirp, mfp->mf_fname); |
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652 // alloc's fname |
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653 if (dirp == NULL) // out of memory |
3158 | 654 break; |
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655 if (fname == NULL) // no file name found for this dir |
7 | 656 continue; |
657 | |
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658 #if defined(MSWIN) |
7 | 659 /* |
660 * Set full pathname for swap file now, because a ":!cd dir" may | |
661 * change directory without us knowing it. | |
662 */ | |
663 p = FullName_save(fname, FALSE); | |
664 vim_free(fname); | |
665 fname = p; | |
666 if (fname == NULL) | |
667 continue; | |
668 #endif | |
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669 // if the file name is the same we don't have to do anything |
7 | 670 if (fnamecmp(fname, mfp->mf_fname) == 0) |
671 { | |
672 vim_free(fname); | |
673 success = TRUE; | |
674 break; | |
675 } | |
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676 // need to close the swap file before renaming |
7 | 677 if (mfp->mf_fd >= 0) |
678 { | |
679 close(mfp->mf_fd); | |
680 mfp->mf_fd = -1; | |
681 } | |
682 | |
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683 // try to rename the swap file |
7 | 684 if (vim_rename(mfp->mf_fname, fname) == 0) |
685 { | |
686 success = TRUE; | |
687 vim_free(mfp->mf_fname); | |
688 mfp->mf_fname = fname; | |
689 vim_free(mfp->mf_ffname); | |
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690 #if defined(MSWIN) |
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691 mfp->mf_ffname = NULL; // mf_fname is full pathname already |
7 | 692 #else |
693 mf_set_ffname(mfp); | |
694 #endif | |
2267 | 695 ml_upd_block0(buf, UB_SAME_DIR); |
7 | 696 break; |
697 } | |
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698 vim_free(fname); // this fname didn't work, try another |
7 | 699 } |
700 | |
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701 if (mfp->mf_fd == -1) // need to (re)open the swap file |
7 | 702 { |
703 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0); | |
704 if (mfp->mf_fd < 0) | |
705 { | |
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706 // could not (re)open the swap file, what can we do???? |
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707 emsg(_("E301: Oops, lost the swap file!!!")); |
7 | 708 return; |
709 } | |
2003 | 710 #ifdef HAVE_FD_CLOEXEC |
711 { | |
712 int fdflags = fcntl(mfp->mf_fd, F_GETFD); | |
713 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) | |
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714 (void)fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC); |
2003 | 715 } |
716 #endif | |
7 | 717 } |
718 if (!success) | |
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719 emsg(_("E302: Could not rename swap file")); |
7 | 720 } |
721 | |
722 /* | |
723 * Open a file for the memfile for all buffers that are not readonly or have | |
724 * been modified. | |
725 * Used when 'updatecount' changes from zero to non-zero. | |
726 */ | |
727 void | |
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728 ml_open_files(void) |
7 | 729 { |
730 buf_T *buf; | |
731 | |
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732 FOR_ALL_BUFFERS(buf) |
7 | 733 if (!buf->b_p_ro || buf->b_changed) |
734 ml_open_file(buf); | |
735 } | |
736 | |
737 /* | |
738 * Open a swap file for an existing memfile, if there is no swap file yet. | |
739 * If we are unable to find a file name, mf_fname will be NULL | |
740 * and the memfile will be in memory only (no recovery possible). | |
741 */ | |
742 void | |
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743 ml_open_file(buf_T *buf) |
7 | 744 { |
745 memfile_T *mfp; | |
746 char_u *fname; | |
747 char_u *dirp; | |
748 | |
749 mfp = buf->b_ml.ml_mfp; | |
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750 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf |
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751 || (cmdmod.cmod_flags & CMOD_NOSWAPFILE)) |
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752 return; // nothing to do |
7 | 753 |
748 | 754 #ifdef FEAT_SPELL |
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755 // For a spell buffer use a temp file name. |
625 | 756 if (buf->b_spell) |
757 { | |
6721 | 758 fname = vim_tempname('s', FALSE); |
625 | 759 if (fname != NULL) |
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760 (void)mf_open_file(mfp, fname); // consumes fname! |
625 | 761 buf->b_may_swap = FALSE; |
762 return; | |
763 } | |
764 #endif | |
765 | |
7 | 766 /* |
767 * Try all directories in 'directory' option. | |
768 */ | |
769 dirp = p_dir; | |
770 for (;;) | |
771 { | |
772 if (*dirp == NUL) | |
773 break; | |
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774 // There is a small chance that between choosing the swap file name |
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775 // and creating it, another Vim creates the file. In that case the |
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776 // creation will fail and we will use another directory. |
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777 fname = findswapname(buf, &dirp, NULL); // allocates fname |
3158 | 778 if (dirp == NULL) |
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779 break; // out of memory |
7 | 780 if (fname == NULL) |
781 continue; | |
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782 if (mf_open_file(mfp, fname) == OK) // consumes fname! |
7 | 783 { |
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784 #if defined(MSWIN) |
7 | 785 /* |
786 * set full pathname for swap file now, because a ":!cd dir" may | |
787 * change directory without us knowing it. | |
788 */ | |
789 mf_fullname(mfp); | |
790 #endif | |
2267 | 791 ml_upd_block0(buf, UB_SAME_DIR); |
39 | 792 |
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793 // Flush block zero, so others can read it |
7 | 794 if (mf_sync(mfp, MFS_ZERO) == OK) |
630 | 795 { |
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796 // Mark all blocks that should be in the swapfile as dirty. |
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797 // Needed for when the 'swapfile' option was reset, so that |
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798 // the swap file was deleted, and then on again. |
630 | 799 mf_set_dirty(mfp); |
7 | 800 break; |
630 | 801 } |
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802 // Writing block 0 failed: close the file and try another dir |
7 | 803 mf_close_file(buf, FALSE); |
804 } | |
805 } | |
806 | |
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807 if (*p_dir != NUL && mfp->mf_fname == NULL) |
7 | 808 { |
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809 need_wait_return = TRUE; // call wait_return later |
7 | 810 ++no_wait_return; |
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811 (void)semsg(_("E303: Unable to open swap file for \"%s\", recovery impossible"), |
3839 | 812 buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname); |
7 | 813 --no_wait_return; |
814 } | |
815 | |
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816 // don't try to open a swap file again |
7 | 817 buf->b_may_swap = FALSE; |
818 } | |
819 | |
820 /* | |
821 * If still need to create a swap file, and starting to edit a not-readonly | |
822 * file, or reading into an existing buffer, create a swap file now. | |
823 */ | |
824 void | |
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825 check_need_swap( |
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826 int newfile) // reading file into new buffer |
7 | 827 { |
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828 int old_msg_silent = msg_silent; // might be reset by an E325 message |
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829 |
7 | 830 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile)) |
831 ml_open_file(curbuf); | |
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832 msg_silent = old_msg_silent; |
7 | 833 } |
834 | |
835 /* | |
836 * Close memline for buffer 'buf'. | |
837 * If 'del_file' is TRUE, delete the swap file | |
838 */ | |
839 void | |
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840 ml_close(buf_T *buf, int del_file) |
7 | 841 { |
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842 if (buf->b_ml.ml_mfp == NULL) // not open |
7 | 843 return; |
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844 mf_close(buf->b_ml.ml_mfp, del_file); // close the .swp file |
7 | 845 if (buf->b_ml.ml_line_lnum != 0 && (buf->b_ml.ml_flags & ML_LINE_DIRTY)) |
846 vim_free(buf->b_ml.ml_line_ptr); | |
847 vim_free(buf->b_ml.ml_stack); | |
848 #ifdef FEAT_BYTEOFF | |
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849 VIM_CLEAR(buf->b_ml.ml_chunksize); |
7 | 850 #endif |
851 buf->b_ml.ml_mfp = NULL; | |
852 | |
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853 // Reset the "recovered" flag, give the ATTENTION prompt the next time |
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854 // this buffer is loaded. |
7 | 855 buf->b_flags &= ~BF_RECOVERED; |
856 } | |
857 | |
858 /* | |
859 * Close all existing memlines and memfiles. | |
860 * Only used when exiting. | |
861 * When 'del_file' is TRUE, delete the memfiles. | |
165 | 862 * But don't delete files that were ":preserve"d when we are POSIX compatible. |
7 | 863 */ |
864 void | |
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865 ml_close_all(int del_file) |
7 | 866 { |
867 buf_T *buf; | |
868 | |
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869 FOR_ALL_BUFFERS(buf) |
165 | 870 ml_close(buf, del_file && ((buf->b_flags & BF_PRESERVED) == 0 |
871 || vim_strchr(p_cpo, CPO_PRESERVE) == NULL)); | |
5519 | 872 #ifdef FEAT_SPELL |
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873 spell_delete_wordlist(); // delete the internal wordlist |
5519 | 874 #endif |
7 | 875 #ifdef TEMPDIRNAMES |
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876 vim_deltempdir(); // delete created temp directory |
7 | 877 #endif |
878 } | |
879 | |
880 /* | |
881 * Close all memfiles for not modified buffers. | |
882 * Only use just before exiting! | |
883 */ | |
884 void | |
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885 ml_close_notmod(void) |
7 | 886 { |
887 buf_T *buf; | |
888 | |
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889 FOR_ALL_BUFFERS(buf) |
7 | 890 if (!bufIsChanged(buf)) |
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891 ml_close(buf, TRUE); // close all not-modified buffers |
7 | 892 } |
893 | |
894 /* | |
895 * Update the timestamp in the .swp file. | |
896 * Used when the file has been written. | |
897 */ | |
898 void | |
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899 ml_timestamp(buf_T *buf) |
7 | 900 { |
2267 | 901 ml_upd_block0(buf, UB_FNAME); |
902 } | |
903 | |
904 /* | |
905 * Return FAIL when the ID of "b0p" is wrong. | |
906 */ | |
907 static int | |
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908 ml_check_b0_id(ZERO_BL *b0p) |
2267 | 909 { |
910 if (b0p->b0_id[0] != BLOCK0_ID0 | |
911 || (b0p->b0_id[1] != BLOCK0_ID1 | |
912 && b0p->b0_id[1] != BLOCK0_ID1_C0 | |
6122 | 913 && b0p->b0_id[1] != BLOCK0_ID1_C1 |
914 && b0p->b0_id[1] != BLOCK0_ID1_C2) | |
2267 | 915 ) |
916 return FAIL; | |
917 return OK; | |
39 | 918 } |
919 | |
920 /* | |
921 * Update the timestamp or the B0_SAME_DIR flag of the .swp file. | |
922 */ | |
923 static void | |
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924 ml_upd_block0(buf_T *buf, upd_block0_T what) |
39 | 925 { |
7 | 926 memfile_T *mfp; |
927 bhdr_T *hp; | |
928 ZERO_BL *b0p; | |
929 | |
930 mfp = buf->b_ml.ml_mfp; | |
6130 | 931 if (mfp == NULL) |
7 | 932 return; |
6130 | 933 hp = mf_get(mfp, (blocknr_T)0, 1); |
934 if (hp == NULL) | |
935 { | |
936 #ifdef FEAT_CRYPT | |
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937 // Possibly update the seed in the memfile before there is a block0. |
6130 | 938 if (what == UB_CRYPT) |
939 ml_set_mfp_crypt(buf); | |
940 #endif | |
941 return; | |
942 } | |
943 | |
7 | 944 b0p = (ZERO_BL *)(hp->bh_data); |
2267 | 945 if (ml_check_b0_id(b0p) == FAIL) |
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946 iemsg(_("E304: ml_upd_block0(): Didn't get block 0??")); |
7 | 947 else |
39 | 948 { |
2267 | 949 if (what == UB_FNAME) |
39 | 950 set_b0_fname(b0p, buf); |
2267 | 951 #ifdef FEAT_CRYPT |
952 else if (what == UB_CRYPT) | |
953 ml_set_b0_crypt(buf, b0p); | |
954 #endif | |
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955 else // what == UB_SAME_DIR |
39 | 956 set_b0_dir_flag(b0p, buf); |
957 } | |
7 | 958 mf_put(mfp, hp, TRUE, FALSE); |
959 } | |
960 | |
961 /* | |
962 * Write file name and timestamp into block 0 of a swap file. | |
963 * Also set buf->b_mtime. | |
964 * Don't use NameBuff[]!!! | |
965 */ | |
966 static void | |
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967 set_b0_fname(ZERO_BL *b0p, buf_T *buf) |
7 | 968 { |
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969 stat_T st; |
7 | 970 |
971 if (buf->b_ffname == NULL) | |
972 b0p->b0_fname[0] = NUL; | |
973 else | |
974 { | |
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975 #if defined(MSWIN) || defined(AMIGA) |
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976 // Systems that cannot translate "~user" back into a path: copy the |
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977 // file name unmodified. Do use slashes instead of backslashes for |
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978 // portability. |
2267 | 979 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE_CRYPT - 1); |
39 | 980 # ifdef BACKSLASH_IN_FILENAME |
981 forward_slash(b0p->b0_fname); | |
982 # endif | |
7 | 983 #else |
984 size_t flen, ulen; | |
985 char_u uname[B0_UNAME_SIZE]; | |
986 | |
987 /* | |
988 * For a file under the home directory of the current user, we try to | |
989 * replace the home directory path with "~user". This helps when | |
990 * editing the same file on different machines over a network. | |
991 * First replace home dir path with "~/" with home_replace(). | |
992 * Then insert the user name to get "~user/". | |
993 */ | |
2267 | 994 home_replace(NULL, buf->b_ffname, b0p->b0_fname, |
995 B0_FNAME_SIZE_CRYPT, TRUE); | |
7 | 996 if (b0p->b0_fname[0] == '~') |
997 { | |
998 flen = STRLEN(b0p->b0_fname); | |
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999 // If there is no user name or it is too long, don't use "~/" |
7 | 1000 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL |
2267 | 1001 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE_CRYPT - 1) |
1002 vim_strncpy(b0p->b0_fname, buf->b_ffname, | |
1003 B0_FNAME_SIZE_CRYPT - 1); | |
7 | 1004 else |
1005 { | |
1006 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen); | |
1007 mch_memmove(b0p->b0_fname + 1, uname, ulen); | |
1008 } | |
1009 } | |
1010 #endif | |
1011 if (mch_stat((char *)buf->b_ffname, &st) >= 0) | |
1012 { | |
1013 long_to_char((long)st.st_mtime, b0p->b0_mtime); | |
1014 #ifdef CHECK_INODE | |
1015 long_to_char((long)st.st_ino, b0p->b0_ino); | |
1016 #endif | |
1017 buf_store_time(buf, &st, buf->b_ffname); | |
1018 buf->b_mtime_read = buf->b_mtime; | |
1019 } | |
1020 else | |
1021 { | |
1022 long_to_char(0L, b0p->b0_mtime); | |
1023 #ifdef CHECK_INODE | |
1024 long_to_char(0L, b0p->b0_ino); | |
1025 #endif | |
1026 buf->b_mtime = 0; | |
1027 buf->b_mtime_read = 0; | |
1028 buf->b_orig_size = 0; | |
1029 buf->b_orig_mode = 0; | |
1030 } | |
1031 } | |
39 | 1032 |
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1033 // Also add the 'fileencoding' if there is room. |
39 | 1034 add_b0_fenc(b0p, curbuf); |
7 | 1035 } |
1036 | |
1037 /* | |
39 | 1038 * Update the B0_SAME_DIR flag of the swap file. It's set if the file and the |
1039 * swapfile for "buf" are in the same directory. | |
1040 * This is fail safe: if we are not sure the directories are equal the flag is | |
1041 * not set. | |
1042 */ | |
1043 static void | |
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1044 set_b0_dir_flag(ZERO_BL *b0p, buf_T *buf) |
39 | 1045 { |
1046 if (same_directory(buf->b_ml.ml_mfp->mf_fname, buf->b_ffname)) | |
1047 b0p->b0_flags |= B0_SAME_DIR; | |
1048 else | |
1049 b0p->b0_flags &= ~B0_SAME_DIR; | |
1050 } | |
1051 | |
1052 /* | |
1053 * When there is room, add the 'fileencoding' to block zero. | |
1054 */ | |
1055 static void | |
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1056 add_b0_fenc( |
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1057 ZERO_BL *b0p, |
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1058 buf_T *buf) |
39 | 1059 { |
1060 int n; | |
2267 | 1061 int size = B0_FNAME_SIZE_NOCRYPT; |
1062 | |
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1063 #ifdef FEAT_CRYPT |
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1064 // Without encryption use the same offset as in Vim 7.2 to be compatible. |
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1065 // With encryption it's OK to move elsewhere, the swap file is not |
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1066 // compatible anyway. |
2267 | 1067 if (*buf->b_p_key != NUL) |
1068 size = B0_FNAME_SIZE_CRYPT; | |
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1069 #endif |
39 | 1070 |
835 | 1071 n = (int)STRLEN(buf->b_p_fenc); |
2267 | 1072 if ((int)STRLEN(b0p->b0_fname) + n + 1 > size) |
39 | 1073 b0p->b0_flags &= ~B0_HAS_FENC; |
1074 else | |
1075 { | |
2267 | 1076 mch_memmove((char *)b0p->b0_fname + size - n, |
39 | 1077 (char *)buf->b_p_fenc, (size_t)n); |
2267 | 1078 *(b0p->b0_fname + size - n - 1) = NUL; |
39 | 1079 b0p->b0_flags |= B0_HAS_FENC; |
1080 } | |
1081 } | |
1082 | |
1083 | |
1084 /* | |
2267 | 1085 * Try to recover curbuf from the .swp file. |
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1086 * If "checkext" is TRUE, check the extension and detect whether it is |
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1087 * a swap file. |
7 | 1088 */ |
1089 void | |
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1090 ml_recover(int checkext) |
7 | 1091 { |
1092 buf_T *buf = NULL; | |
1093 memfile_T *mfp = NULL; | |
1094 char_u *fname; | |
2267 | 1095 char_u *fname_used = NULL; |
7 | 1096 bhdr_T *hp = NULL; |
1097 ZERO_BL *b0p; | |
39 | 1098 int b0_ff; |
1099 char_u *b0_fenc = NULL; | |
2267 | 1100 #ifdef FEAT_CRYPT |
1101 int b0_cm = -1; | |
1102 #endif | |
7 | 1103 PTR_BL *pp; |
1104 DATA_BL *dp; | |
1105 infoptr_T *ip; | |
1106 blocknr_T bnum; | |
1107 int page_count; | |
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1108 stat_T org_stat, swp_stat; |
7 | 1109 int len; |
1110 int directly; | |
1111 linenr_T lnum; | |
1112 char_u *p; | |
1113 int i; | |
1114 long error; | |
1115 int cannot_open; | |
1116 linenr_T line_count; | |
1117 int has_error; | |
1118 int idx; | |
1119 int top; | |
1120 int txt_start; | |
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1121 off_T size; |
7 | 1122 int called_from_main; |
1123 int serious_error = TRUE; | |
1124 long mtime; | |
1125 int attr; | |
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|
1126 int orig_file_status = NOTDONE; |
7 | 1127 |
1128 recoverymode = TRUE; | |
1129 called_from_main = (curbuf->b_ml.ml_mfp == NULL); | |
11158
501f46f7644c
patch 8.0.0466: still macros that should be all-caps
Christian Brabandt <cb@256bit.org>
parents:
11127
diff
changeset
|
1130 attr = HL_ATTR(HLF_E); |
1975 | 1131 |
1132 /* | |
12975
e311187347c1
patch 8.0.1363: recovering does not work when swap file ends in .stz
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
1133 * If the file name ends in ".s[a-w][a-z]" we assume this is the swap file. |
1975 | 1134 * Otherwise a search is done to find the swap file(s). |
1135 */ | |
7 | 1136 fname = curbuf->b_fname; |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1137 if (fname == NULL) // When there is no file name |
7 | 1138 fname = (char_u *)""; |
1139 len = (int)STRLEN(fname); | |
16738
b52ea9c5f1db
patch 8.1.1371: cannot recover from a swap file
Bram Moolenaar <Bram@vim.org>
parents:
16684
diff
changeset
|
1140 if (checkext && len >= 4 && |
2823 | 1141 #if defined(VMS) |
10889
5780bd3a5a7e
patch 8.0.0334: can't access b:changedtick from a dict reference
Christian Brabandt <cb@256bit.org>
parents:
10575
diff
changeset
|
1142 STRNICMP(fname + len - 4, "_s", 2) |
7 | 1143 #else |
10889
5780bd3a5a7e
patch 8.0.0334: can't access b:changedtick from a dict reference
Christian Brabandt <cb@256bit.org>
parents:
10575
diff
changeset
|
1144 STRNICMP(fname + len - 4, ".s", 2) |
7 | 1145 #endif |
10889
5780bd3a5a7e
patch 8.0.0334: can't access b:changedtick from a dict reference
Christian Brabandt <cb@256bit.org>
parents:
10575
diff
changeset
|
1146 == 0 |
12975
e311187347c1
patch 8.0.1363: recovering does not work when swap file ends in .stz
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
1147 && vim_strchr((char_u *)"abcdefghijklmnopqrstuvw", |
e311187347c1
patch 8.0.1363: recovering does not work when swap file ends in .stz
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
1148 TOLOWER_ASC(fname[len - 2])) != NULL |
1975 | 1149 && ASCII_ISALPHA(fname[len - 1])) |
7 | 1150 { |
1151 directly = TRUE; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1152 fname_used = vim_strsave(fname); // make a copy for mf_open() |
7 | 1153 } |
1154 else | |
1155 { | |
1156 directly = FALSE; | |
1157 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1158 // count the number of matching swap files |
2267 | 1159 len = recover_names(fname, FALSE, 0, NULL); |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1160 if (len == 0) // no swap files found |
7 | 1161 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1162 semsg(_("E305: No swap file found for %s"), fname); |
7 | 1163 goto theend; |
1164 } | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1165 if (len == 1) // one swap file found, use it |
7 | 1166 i = 1; |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1167 else // several swap files found, choose |
7 | 1168 { |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1169 // list the names of the swap files |
2267 | 1170 (void)recover_names(fname, TRUE, 0, NULL); |
7 | 1171 msg_putchar('\n'); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1172 msg_puts(_("Enter number of swap file to use (0 to quit): ")); |
374 | 1173 i = get_number(FALSE, NULL); |
7 | 1174 if (i < 1 || i > len) |
1175 goto theend; | |
1176 } | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1177 // get the swap file name that will be used |
2267 | 1178 (void)recover_names(fname, FALSE, i, &fname_used); |
7 | 1179 } |
2267 | 1180 if (fname_used == NULL) |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1181 goto theend; // out of memory |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1182 |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1183 // When called from main() still need to initialize storage structure |
625 | 1184 if (called_from_main && ml_open(curbuf) == FAIL) |
7 | 1185 getout(1); |
1186 | |
2267 | 1187 /* |
1188 * Allocate a buffer structure for the swap file that is used for recovery. | |
2407
6bc102a4bff8
Fix memory access to 'cryptmethod' during recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2394
diff
changeset
|
1189 * Only the memline and crypt information in it are really used. |
2267 | 1190 */ |
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16786
diff
changeset
|
1191 buf = ALLOC_ONE(buf_T); |
7 | 1192 if (buf == NULL) |
1193 goto theend; | |
2267 | 1194 |
1195 /* | |
1196 * init fields in memline struct | |
1197 */ | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1198 buf->b_ml.ml_stack_size = 0; // no stack yet |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1199 buf->b_ml.ml_stack = NULL; // no stack yet |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1200 buf->b_ml.ml_stack_top = 0; // nothing in the stack |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1201 buf->b_ml.ml_line_lnum = 0; // no cached line |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1202 buf->b_ml.ml_locked = NULL; // no locked block |
7 | 1203 buf->b_ml.ml_flags = 0; |
2408
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1204 #ifdef FEAT_CRYPT |
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1205 buf->b_p_key = empty_option; |
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1206 buf->b_p_cm = empty_option; |
9e2e63af1641
Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2407
diff
changeset
|
1207 #endif |
7 | 1208 |
2267 | 1209 /* |
1210 * open the memfile from the old swap file | |
1211 */ | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1212 p = vim_strsave(fname_used); // save "fname_used" for the message: |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1213 // mf_open() will consume "fname_used"! |
2267 | 1214 mfp = mf_open(fname_used, O_RDONLY); |
1215 fname_used = p; | |
7 | 1216 if (mfp == NULL || mfp->mf_fd < 0) |
1217 { | |
2267 | 1218 if (fname_used != NULL) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1219 semsg(_("E306: Cannot open %s"), fname_used); |
7 | 1220 goto theend; |
1221 } | |
1222 buf->b_ml.ml_mfp = mfp; | |
2267 | 1223 #ifdef FEAT_CRYPT |
1224 mfp->mf_buffer = buf; | |
1225 #endif | |
7 | 1226 |
1227 /* | |
1228 * The page size set in mf_open() might be different from the page size | |
1229 * used in the swap file, we must get it from block 0. But to read block | |
1230 * 0 we need a page size. Use the minimal size for block 0 here, it will | |
1231 * be set to the real value below. | |
1232 */ | |
1233 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE; | |
1234 | |
2267 | 1235 /* |
1236 * try to read block 0 | |
1237 */ | |
7 | 1238 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL) |
1239 { | |
1240 msg_start(); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1241 msg_puts_attr(_("Unable to read block 0 from "), attr | MSG_HIST); |
7 | 1242 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1243 msg_puts_attr(_("\nMaybe no changes were made or Vim did not update the swap file."), |
7 | 1244 attr | MSG_HIST); |
1245 msg_end(); | |
1246 goto theend; | |
1247 } | |
1248 b0p = (ZERO_BL *)(hp->bh_data); | |
1249 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0) | |
1250 { | |
1251 msg_start(); | |
1252 msg_outtrans_attr(mfp->mf_fname, MSG_HIST); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1253 msg_puts_attr(_(" cannot be used with this version of Vim.\n"), |
7 | 1254 MSG_HIST); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1255 msg_puts_attr(_("Use Vim version 3.0.\n"), MSG_HIST); |
7 | 1256 msg_end(); |
1257 goto theend; | |
1258 } | |
2267 | 1259 if (ml_check_b0_id(b0p) == FAIL) |
7 | 1260 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1261 semsg(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname); |
7 | 1262 goto theend; |
1263 } | |
1264 if (b0_magic_wrong(b0p)) | |
1265 { | |
1266 msg_start(); | |
1267 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST); | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
1268 #if defined(MSWIN) |
7 | 1269 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1270 msg_puts_attr(_(" cannot be used with this version of Vim.\n"), |
7 | 1271 attr | MSG_HIST); |
1272 else | |
1273 #endif | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1274 msg_puts_attr(_(" cannot be used on this computer.\n"), |
7 | 1275 attr | MSG_HIST); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1276 msg_puts_attr(_("The file was created on "), attr | MSG_HIST); |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1277 // avoid going past the end of a corrupted hostname |
7 | 1278 b0p->b0_fname[0] = NUL; |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1279 msg_puts_attr((char *)b0p->b0_hname, attr | MSG_HIST); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1280 msg_puts_attr(_(",\nor the file has been damaged."), attr | MSG_HIST); |
7 | 1281 msg_end(); |
1282 goto theend; | |
1283 } | |
1105 | 1284 |
2267 | 1285 #ifdef FEAT_CRYPT |
6122 | 1286 for (i = 0; i < (int)(sizeof(id1_codes) / sizeof(int)); ++i) |
1287 if (id1_codes[i] == b0p->b0_id[1]) | |
1288 b0_cm = i; | |
1289 if (b0_cm > 0) | |
2267 | 1290 mch_memmove(mfp->mf_seed, &b0p->b0_seed, MF_SEED_LEN); |
6122 | 1291 crypt_set_cm_option(buf, b0_cm < 0 ? 0 : b0_cm); |
2267 | 1292 #else |
1293 if (b0p->b0_id[1] != BLOCK0_ID1) | |
1294 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1295 semsg(_("E833: %s is encrypted and this version of Vim does not support encryption"), mfp->mf_fname); |
2267 | 1296 goto theend; |
1297 } | |
1298 #endif | |
1299 | |
7 | 1300 /* |
1301 * If we guessed the wrong page size, we have to recalculate the | |
1302 * highest block number in the file. | |
1303 */ | |
1304 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size)) | |
1305 { | |
1105 | 1306 unsigned previous_page_size = mfp->mf_page_size; |
1307 | |
7 | 1308 mf_new_page_size(mfp, (unsigned)char_to_long(b0p->b0_page_size)); |
1105 | 1309 if (mfp->mf_page_size < previous_page_size) |
1310 { | |
1311 msg_start(); | |
1312 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1313 msg_puts_attr(_(" has been damaged (page size is smaller than minimum value).\n"), |
1105 | 1314 attr | MSG_HIST); |
1315 msg_end(); | |
1316 goto theend; | |
1317 } | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
1318 if ((size = vim_lseek(mfp->mf_fd, (off_T)0L, SEEK_END)) <= 0) |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1319 mfp->mf_blocknr_max = 0; // no file or empty file |
7 | 1320 else |
1321 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size); | |
1322 mfp->mf_infile_count = mfp->mf_blocknr_max; | |
1105 | 1323 |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1324 // need to reallocate the memory used to store the data |
1105 | 1325 p = alloc(mfp->mf_page_size); |
1326 if (p == NULL) | |
1327 goto theend; | |
1328 mch_memmove(p, hp->bh_data, previous_page_size); | |
1329 vim_free(hp->bh_data); | |
1330 hp->bh_data = p; | |
1331 b0p = (ZERO_BL *)(hp->bh_data); | |
7 | 1332 } |
1333 | |
2267 | 1334 /* |
1335 * If .swp file name given directly, use name from swap file for buffer. | |
1336 */ | |
7 | 1337 if (directly) |
1338 { | |
1339 expand_env(b0p->b0_fname, NameBuff, MAXPATHL); | |
1340 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL) | |
1341 goto theend; | |
1342 } | |
1343 | |
1344 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE); | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1345 smsg(_("Using swap file \"%s\""), NameBuff); |
7 | 1346 |
1347 if (buf_spname(curbuf) != NULL) | |
3839 | 1348 vim_strncpy(NameBuff, buf_spname(curbuf), MAXPATHL - 1); |
7 | 1349 else |
1350 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE); | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1351 smsg(_("Original file \"%s\""), NameBuff); |
7 | 1352 msg_putchar('\n'); |
1353 | |
2267 | 1354 /* |
1355 * check date of swap file and original file | |
1356 */ | |
7 | 1357 mtime = char_to_long(b0p->b0_mtime); |
1358 if (curbuf->b_ffname != NULL | |
1359 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1 | |
1360 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1 | |
1361 && org_stat.st_mtime > swp_stat.st_mtime) | |
1362 || org_stat.st_mtime != mtime)) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
1363 emsg(_("E308: Warning: Original file may have been changed")); |
7 | 1364 out_flush(); |
39 | 1365 |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1366 // Get the 'fileformat' and 'fileencoding' from block zero. |
39 | 1367 b0_ff = (b0p->b0_flags & B0_FF_MASK); |
1368 if (b0p->b0_flags & B0_HAS_FENC) | |
1369 { | |
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1370 int fnsize = B0_FNAME_SIZE_NOCRYPT; |
2267 | 1371 |
1372 #ifdef FEAT_CRYPT | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1373 // Use the same size as in add_b0_fenc(). |
2267 | 1374 if (b0p->b0_id[1] != BLOCK0_ID1) |
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1375 fnsize = B0_FNAME_SIZE_CRYPT; |
2267 | 1376 #endif |
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1377 for (p = b0p->b0_fname + fnsize; p > b0p->b0_fname && p[-1] != NUL; --p) |
39 | 1378 ; |
20830
9064044fd4f6
patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents:
20599
diff
changeset
|
1379 b0_fenc = vim_strnsave(p, b0p->b0_fname + fnsize - p); |
39 | 1380 } |
1381 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1382 mf_put(mfp, hp, FALSE, FALSE); // release block 0 |
7 | 1383 hp = NULL; |
1384 | |
1385 /* | |
1386 * Now that we are sure that the file is going to be recovered, clear the | |
1387 * contents of the current buffer. | |
1388 */ | |
1389 while (!(curbuf->b_ml.ml_flags & ML_EMPTY)) | |
20599
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patch 8.2.0853: ml_delete() often called with FALSE argument
Bram Moolenaar <Bram@vim.org>
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20583
diff
changeset
|
1390 ml_delete((linenr_T)1); |
7 | 1391 |
1392 /* | |
1393 * Try reading the original file to obtain the values of 'fileformat', | |
1394 * 'fileencoding', etc. Ignore errors. The text itself is not used. | |
2267 | 1395 * When the file is encrypted the user is asked to enter the key. |
7 | 1396 */ |
1397 if (curbuf->b_ffname != NULL) | |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1398 orig_file_status = readfile(curbuf->b_ffname, NULL, (linenr_T)0, |
7 | 1399 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW); |
1400 | |
2267 | 1401 #ifdef FEAT_CRYPT |
1402 if (b0_cm >= 0) | |
1403 { | |
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patch 8.1.2388: using old C style comments
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diff
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|
1404 // Need to ask the user for the crypt key. If this fails we continue |
f41b55f9357c
patch 8.1.2388: using old C style comments
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diff
changeset
|
1405 // without a key, will probably get garbage text. |
2267 | 1406 if (*curbuf->b_p_key != NUL) |
1407 { | |
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1408 smsg(_("Swap file is encrypted: \"%s\""), fname_used); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1409 msg_puts(_("\nIf you entered a new crypt key but did not write the text file,")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1410 msg_puts(_("\nenter the new crypt key.")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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15470
diff
changeset
|
1411 msg_puts(_("\nIf you wrote the text file after changing the crypt key press enter")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1412 msg_puts(_("\nto use the same key for text file and swap file")); |
2267 | 1413 } |
1414 else | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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diff
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|
1415 smsg(_(need_key_msg), fname_used); |
6122 | 1416 buf->b_p_key = crypt_get_key(FALSE, FALSE); |
2267 | 1417 if (buf->b_p_key == NULL) |
1418 buf->b_p_key = curbuf->b_p_key; | |
1419 else if (*buf->b_p_key == NUL) | |
1420 { | |
1421 vim_free(buf->b_p_key); | |
1422 buf->b_p_key = curbuf->b_p_key; | |
1423 } | |
1424 if (buf->b_p_key == NULL) | |
1425 buf->b_p_key = empty_option; | |
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Undo changes that are meant for the Vim 7.3 branch.
Bram Moolenaar <bram@vim.org>
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2162
diff
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|
1426 } |
2267 | 1427 #endif |
7 | 1428 |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1429 // Use the 'fileformat' and 'fileencoding' as stored in the swap file. |
39 | 1430 if (b0_ff != 0) |
1431 set_fileformat(b0_ff - 1, OPT_LOCAL); | |
1432 if (b0_fenc != NULL) | |
1433 { | |
1434 set_option_value((char_u *)"fenc", 0L, b0_fenc, OPT_LOCAL); | |
1435 vim_free(b0_fenc); | |
1436 } | |
16996
d5e1e09a829f
patch 8.1.1498: ":write" increments b:changedtick even though nothing changed
Bram Moolenaar <Bram@vim.org>
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16825
diff
changeset
|
1437 unchanged(curbuf, TRUE, TRUE); |
39 | 1438 |
18800
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patch 8.1.2388: using old C style comments
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diff
changeset
|
1439 bnum = 1; // start with block 1 |
f41b55f9357c
patch 8.1.2388: using old C style comments
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changeset
|
1440 page_count = 1; // which is 1 page |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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changeset
|
1441 lnum = 0; // append after line 0 in curbuf |
7 | 1442 line_count = 0; |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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18763
diff
changeset
|
1443 idx = 0; // start with first index in block 1 |
7 | 1444 error = 0; |
1445 buf->b_ml.ml_stack_top = 0; | |
1446 buf->b_ml.ml_stack = NULL; | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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changeset
|
1447 buf->b_ml.ml_stack_size = 0; // no stack yet |
7 | 1448 |
1449 if (curbuf->b_ffname == NULL) | |
1450 cannot_open = TRUE; | |
1451 else | |
1452 cannot_open = FALSE; | |
1453 | |
1454 serious_error = FALSE; | |
1455 for ( ; !got_int; line_breakcheck()) | |
1456 { | |
1457 if (hp != NULL) | |
18800
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patch 8.1.2388: using old C style comments
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diff
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|
1458 mf_put(mfp, hp, FALSE, FALSE); // release previous block |
7 | 1459 |
1460 /* | |
1461 * get block | |
1462 */ | |
1463 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL) | |
1464 { | |
1465 if (bnum == 1) | |
1466 { | |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1467 semsg(_("E309: Unable to read block 1 from %s"), mfp->mf_fname); |
7 | 1468 goto theend; |
1469 } | |
1470 ++error; | |
1471 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"), | |
1472 (colnr_T)0, TRUE); | |
1473 } | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1474 else // there is a block |
7 | 1475 { |
1476 pp = (PTR_BL *)(hp->bh_data); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1477 if (pp->pb_id == PTR_ID) // it is a pointer block |
7 | 1478 { |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1479 // check line count when using pointer block first time |
7 | 1480 if (idx == 0 && line_count != 0) |
1481 { | |
1482 for (i = 0; i < (int)pp->pb_count; ++i) | |
1483 line_count -= pp->pb_pointer[i].pe_line_count; | |
1484 if (line_count != 0) | |
1485 { | |
1486 ++error; | |
1487 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"), | |
1488 (colnr_T)0, TRUE); | |
1489 } | |
1490 } | |
1491 | |
1492 if (pp->pb_count == 0) | |
1493 { | |
1494 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"), | |
1495 (colnr_T)0, TRUE); | |
1496 ++error; | |
1497 } | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1498 else if (idx < (int)pp->pb_count) // go a block deeper |
7 | 1499 { |
1500 if (pp->pb_pointer[idx].pe_bnum < 0) | |
1501 { | |
1502 /* | |
1503 * Data block with negative block number. | |
1504 * Try to read lines from the original file. | |
1505 * This is slow, but it works. | |
1506 */ | |
1507 if (!cannot_open) | |
1508 { | |
1509 line_count = pp->pb_pointer[idx].pe_line_count; | |
1510 if (readfile(curbuf->b_ffname, NULL, lnum, | |
1511 pp->pb_pointer[idx].pe_old_lnum - 1, | |
10575
01a5f64a7a20
patch 8.0.0177: BufEnter autocommand not fired for a directory
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
1512 line_count, NULL, 0) != OK) |
7 | 1513 cannot_open = TRUE; |
1514 else | |
1515 lnum += line_count; | |
1516 } | |
1517 if (cannot_open) | |
1518 { | |
1519 ++error; | |
1520 ml_append(lnum++, (char_u *)_("???LINES MISSING"), | |
1521 (colnr_T)0, TRUE); | |
1522 } | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1523 ++idx; // get same block again for next index |
7 | 1524 continue; |
1525 } | |
1526 | |
1527 /* | |
1528 * going one block deeper in the tree | |
1529 */ | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1530 if ((top = ml_add_stack(buf)) < 0) // new entry in stack |
7 | 1531 { |
1532 ++error; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1533 break; // out of memory |
7 | 1534 } |
1535 ip = &(buf->b_ml.ml_stack[top]); | |
1536 ip->ip_bnum = bnum; | |
1537 ip->ip_index = idx; | |
1538 | |
1539 bnum = pp->pb_pointer[idx].pe_bnum; | |
1540 line_count = pp->pb_pointer[idx].pe_line_count; | |
1541 page_count = pp->pb_pointer[idx].pe_page_count; | |
2885 | 1542 idx = 0; |
7 | 1543 continue; |
1544 } | |
1545 } | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1546 else // not a pointer block |
7 | 1547 { |
1548 dp = (DATA_BL *)(hp->bh_data); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
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diff
changeset
|
1549 if (dp->db_id != DATA_ID) // block id wrong |
7 | 1550 { |
1551 if (bnum == 1) | |
1552 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1553 semsg(_("E310: Block 1 ID wrong (%s not a .swp file?)"), |
7 | 1554 mfp->mf_fname); |
1555 goto theend; | |
1556 } | |
1557 ++error; | |
1558 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"), | |
1559 (colnr_T)0, TRUE); | |
1560 } | |
1561 else | |
1562 { | |
1563 /* | |
1564 * it is a data block | |
1565 * Append all the lines in this block | |
1566 */ | |
1567 has_error = FALSE; | |
1568 /* | |
1569 * check length of block | |
1570 * if wrong, use length in pointer block | |
1571 */ | |
1572 if (page_count * mfp->mf_page_size != dp->db_txt_end) | |
1573 { | |
1574 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"), | |
1575 (colnr_T)0, TRUE); | |
1576 ++error; | |
1577 has_error = TRUE; | |
1578 dp->db_txt_end = page_count * mfp->mf_page_size; | |
1579 } | |
1580 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1581 // make sure there is a NUL at the end of the block |
7 | 1582 *((char_u *)dp + dp->db_txt_end - 1) = NUL; |
1583 | |
1584 /* | |
1585 * check number of lines in block | |
1586 * if wrong, use count in data block | |
1587 */ | |
1588 if (line_count != dp->db_line_count) | |
1589 { | |
1590 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may have been inserted/deleted"), | |
1591 (colnr_T)0, TRUE); | |
1592 ++error; | |
1593 has_error = TRUE; | |
1594 } | |
1595 | |
1596 for (i = 0; i < dp->db_line_count; ++i) | |
1597 { | |
1598 txt_start = (dp->db_index[i] & DB_INDEX_MASK); | |
1978 | 1599 if (txt_start <= (int)HEADER_SIZE |
7 | 1600 || txt_start >= (int)dp->db_txt_end) |
1601 { | |
1602 p = (char_u *)"???"; | |
1603 ++error; | |
1604 } | |
1605 else | |
1606 p = (char_u *)dp + txt_start; | |
1607 ml_append(lnum++, p, (colnr_T)0, TRUE); | |
1608 } | |
1609 if (has_error) | |
1978 | 1610 ml_append(lnum++, (char_u *)_("???END"), |
1611 (colnr_T)0, TRUE); | |
7 | 1612 } |
1613 } | |
1614 } | |
1615 | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1616 if (buf->b_ml.ml_stack_top == 0) // finished |
7 | 1617 break; |
1618 | |
1619 /* | |
1620 * go one block up in the tree | |
1621 */ | |
1622 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]); | |
1623 bnum = ip->ip_bnum; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
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parents:
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diff
changeset
|
1624 idx = ip->ip_index + 1; // go to next index |
7 | 1625 page_count = 1; |
1626 } | |
1627 | |
1628 /* | |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
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diff
changeset
|
1629 * Compare the buffer contents with the original file. When they differ |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1630 * set the 'modified' flag. |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1631 * Lines 1 - lnum are the new contents. |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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parents:
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diff
changeset
|
1632 * Lines lnum + 1 to ml_line_count are the original contents. |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1633 * Line ml_line_count + 1 in the dummy empty line. |
7 | 1634 */ |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1635 if (orig_file_status != OK || curbuf->b_ml.ml_line_count != lnum * 2 + 1) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1636 { |
18800
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patch 8.1.2388: using old C style comments
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diff
changeset
|
1637 // Recovering an empty file results in two lines and the first line is |
f41b55f9357c
patch 8.1.2388: using old C style comments
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parents:
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diff
changeset
|
1638 // empty. Don't set the modified flag then. |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1639 if (!(curbuf->b_ml.ml_line_count == 2 && *ml_get(1) == NUL)) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1640 { |
16632
30de89c1d090
patch 8.1.1318: code for text changes is in a "misc" file
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diff
changeset
|
1641 changed_internal(); |
10952
835604f3c37a
patch 8.0.0365: might free a dict item that wasn't allocated
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1642 ++CHANGEDTICK(curbuf); |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1643 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1644 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1645 else |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1646 { |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1647 for (idx = 1; idx <= lnum; ++idx) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1648 { |
18800
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patch 8.1.2388: using old C style comments
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diff
changeset
|
1649 // Need to copy one line, fetching the other one may flush it. |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1650 p = vim_strsave(ml_get(idx)); |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1651 i = STRCMP(p, ml_get(idx + lnum)); |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1652 vim_free(p); |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1653 if (i != 0) |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1654 { |
16632
30de89c1d090
patch 8.1.1318: code for text changes is in a "misc" file
Bram Moolenaar <Bram@vim.org>
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16621
diff
changeset
|
1655 changed_internal(); |
10952
835604f3c37a
patch 8.0.0365: might free a dict item that wasn't allocated
Christian Brabandt <cb@256bit.org>
parents:
10896
diff
changeset
|
1656 ++CHANGEDTICK(curbuf); |
2162
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1657 break; |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1658 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1659 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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diff
changeset
|
1660 } |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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|
1661 |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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changeset
|
1662 /* |
0527eb0f6918
After recovery check if the text changed. If it did mark the buffer as
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changeset
|
1663 * Delete the lines from the original file and the dummy line from the |
0527eb0f6918
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|
1664 * empty buffer. These will now be after the last line in the buffer. |
0527eb0f6918
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|
1665 */ |
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diff
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|
1666 while (curbuf->b_ml.ml_line_count > lnum |
0527eb0f6918
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diff
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|
1667 && !(curbuf->b_ml.ml_flags & ML_EMPTY)) |
20599
d571231175b4
patch 8.2.0853: ml_delete() often called with FALSE argument
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diff
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|
1668 ml_delete(curbuf->b_ml.ml_line_count); |
7 | 1669 curbuf->b_flags |= BF_RECOVERED; |
1670 | |
1671 recoverymode = FALSE; | |
1672 if (got_int) | |
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patch 8.1.0743: giving error messages is not flexible
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|
1673 emsg(_("E311: Recovery Interrupted")); |
7 | 1674 else if (error) |
1675 { | |
1676 ++no_wait_return; | |
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|
1677 msg(">>>>>>>>>>>>>"); |
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|
1678 emsg(_("E312: Errors detected while recovering; look for lines starting with ???")); |
7 | 1679 --no_wait_return; |
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|
1680 msg(_("See \":help E312\" for more information.")); |
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|
1681 msg(">>>>>>>>>>>>>"); |
7 | 1682 } |
1683 else | |
1684 { | |
2162
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1685 if (curbuf->b_changed) |
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1686 { |
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|
1687 msg(_("Recovery completed. You should check if everything is OK.")); |
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|
1688 msg_puts(_("\n(You might want to write out this file under another name\n")); |
dd725a8ab112
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|
1689 msg_puts(_("and run diff with the original file to check for changes)")); |
2162
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|
1690 } |
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1691 else |
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|
1692 msg(_("Recovery completed. Buffer contents equals file contents.")); |
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|
1693 msg_puts(_("\nYou may want to delete the .swp file now.\n\n")); |
7 | 1694 cmdline_row = msg_row; |
1695 } | |
2267 | 1696 #ifdef FEAT_CRYPT |
1697 if (*buf->b_p_key != NUL && STRCMP(curbuf->b_p_key, buf->b_p_key) != 0) | |
1698 { | |
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|
1699 msg_puts(_("Using crypt key from swap file for the text file.\n")); |
2267 | 1700 set_option_value((char_u *)"key", 0L, buf->b_p_key, OPT_LOCAL); |
1701 } | |
1702 #endif | |
7 | 1703 redraw_curbuf_later(NOT_VALID); |
1704 | |
1705 theend: | |
2267 | 1706 vim_free(fname_used); |
7 | 1707 recoverymode = FALSE; |
1708 if (mfp != NULL) | |
1709 { | |
1710 if (hp != NULL) | |
1711 mf_put(mfp, hp, FALSE, FALSE); | |
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1712 mf_close(mfp, FALSE); // will also vim_free(mfp->mf_fname) |
7 | 1713 } |
1053 | 1714 if (buf != NULL) |
1715 { | |
2267 | 1716 #ifdef FEAT_CRYPT |
1717 if (buf->b_p_key != curbuf->b_p_key) | |
1718 free_string_option(buf->b_p_key); | |
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1719 free_string_option(buf->b_p_cm); |
2267 | 1720 #endif |
1053 | 1721 vim_free(buf->b_ml.ml_stack); |
1722 vim_free(buf); | |
1723 } | |
7 | 1724 if (serious_error && called_from_main) |
1725 ml_close(curbuf, TRUE); | |
1726 else | |
1727 { | |
1728 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf); | |
1729 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf); | |
1730 } | |
1731 return; | |
1732 } | |
1733 | |
1734 /* | |
1735 * Find the names of swap files in current directory and the directory given | |
1736 * with the 'directory' option. | |
1737 * | |
1738 * Used to: | |
1739 * - list the swap files for "vim -r" | |
1740 * - count the number of swap files when recovering | |
1741 * - list the swap files when recovering | |
1742 * - find the name of the n'th swap file when recovering | |
1743 */ | |
1744 int | |
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|
1745 recover_names( |
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1746 char_u *fname, // base for swap file name |
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1747 int list, // when TRUE, list the swap file names |
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1748 int nr, // when non-zero, return nr'th swap file name |
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1749 char_u **fname_out) // result when "nr" > 0 |
7 | 1750 { |
1751 int num_names; | |
1752 char_u *(names[6]); | |
1753 char_u *tail; | |
1754 char_u *p; | |
1755 int num_files; | |
1756 int file_count = 0; | |
1757 char_u **files; | |
1758 int i; | |
1759 char_u *dirp; | |
1760 char_u *dir_name; | |
2175 | 1761 char_u *fname_res = NULL; |
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1762 #ifdef HAVE_READLINK |
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1763 char_u fname_buf[MAXPATHL]; |
2175 | 1764 #endif |
1765 | |
1766 if (fname != NULL) | |
1767 { | |
1768 #ifdef HAVE_READLINK | |
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1769 // Expand symlink in the file name, because the swap file is created |
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1770 // with the actual file instead of with the symlink. |
2267 | 1771 if (resolve_symlink(fname, fname_buf) == OK) |
1772 fname_res = fname_buf; | |
1773 else | |
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1774 #endif |
2267 | 1775 fname_res = fname; |
2175 | 1776 } |
7 | 1777 |
1778 if (list) | |
1779 { | |
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1780 // use msg() to start the scrolling properly |
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1781 msg(_("Swap files found:")); |
7 | 1782 msg_putchar('\n'); |
1783 } | |
1784 | |
1785 /* | |
1786 * Do the loop for every directory in 'directory'. | |
1787 * First allocate some memory to put the directory name in. | |
1788 */ | |
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1789 dir_name = alloc(STRLEN(p_dir) + 1); |
7 | 1790 dirp = p_dir; |
1791 while (dir_name != NULL && *dirp) | |
1792 { | |
1793 /* | |
1794 * Isolate a directory name from *dirp and put it in dir_name (we know | |
1795 * it is large enough, so use 31000 for length). | |
1796 * Advance dirp to next directory name. | |
1797 */ | |
1798 (void)copy_option_part(&dirp, dir_name, 31000, ","); | |
1799 | |
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1800 if (dir_name[0] == '.' && dir_name[1] == NUL) // check current dir |
7 | 1801 { |
2267 | 1802 if (fname == NULL) |
7 | 1803 { |
1804 #ifdef VMS | |
1805 names[0] = vim_strsave((char_u *)"*_sw%"); | |
1806 #else | |
1807 names[0] = vim_strsave((char_u *)"*.sw?"); | |
1808 #endif | |
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1809 #if defined(UNIX) || defined(MSWIN) |
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1810 // For Unix names starting with a dot are special. MS-Windows |
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1811 // supports this too, on some file systems. |
7 | 1812 names[1] = vim_strsave((char_u *)".*.sw?"); |
1813 names[2] = vim_strsave((char_u *)".sw?"); | |
1814 num_names = 3; | |
1815 #else | |
1816 # ifdef VMS | |
1817 names[1] = vim_strsave((char_u *)".*_sw%"); | |
1818 num_names = 2; | |
1819 # else | |
1820 num_names = 1; | |
1821 # endif | |
1822 #endif | |
1823 } | |
1824 else | |
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1825 num_names = recov_file_names(names, fname_res, TRUE); |
7 | 1826 } |
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1827 else // check directory dir_name |
7 | 1828 { |
2267 | 1829 if (fname == NULL) |
7 | 1830 { |
1831 #ifdef VMS | |
1832 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE); | |
1833 #else | |
1834 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE); | |
1835 #endif | |
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1836 #if defined(UNIX) || defined(MSWIN) |
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1837 // For Unix names starting with a dot are special. MS-Windows |
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1838 // supports this too, on some file systems. |
7 | 1839 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE); |
1840 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE); | |
1841 num_names = 3; | |
1842 #else | |
1843 # ifdef VMS | |
1844 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE); | |
1845 num_names = 2; | |
1846 # else | |
1847 num_names = 1; | |
1848 # endif | |
1849 #endif | |
1850 } | |
1851 else | |
1852 { | |
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1853 #if defined(UNIX) || defined(MSWIN) |
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1854 int len = (int)STRLEN(dir_name); |
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1855 |
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1856 p = dir_name + len; |
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1857 if (after_pathsep(dir_name, p) && len > 1 && p[-1] == p[-2]) |
7 | 1858 { |
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1859 // Ends with '//', Use Full path for swap name |
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1860 tail = make_percent_swname(dir_name, fname_res); |
7 | 1861 } |
1862 else | |
1863 #endif | |
1864 { | |
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1865 tail = gettail(fname_res); |
7 | 1866 tail = concat_fnames(dir_name, tail, TRUE); |
1867 } | |
1868 if (tail == NULL) | |
1869 num_names = 0; | |
1870 else | |
1871 { | |
1872 num_names = recov_file_names(names, tail, FALSE); | |
1873 vim_free(tail); | |
1874 } | |
1875 } | |
1876 } | |
1877 | |
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1878 // check for out-of-memory |
7 | 1879 for (i = 0; i < num_names; ++i) |
1880 { | |
1881 if (names[i] == NULL) | |
1882 { | |
1883 for (i = 0; i < num_names; ++i) | |
1884 vim_free(names[i]); | |
1885 num_names = 0; | |
1886 } | |
1887 } | |
1888 if (num_names == 0) | |
1889 num_files = 0; | |
1890 else if (expand_wildcards(num_names, names, &num_files, &files, | |
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1891 EW_NOTENV|EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL) |
7 | 1892 num_files = 0; |
1893 | |
1894 /* | |
1895 * When no swap file found, wildcard expansion might have failed (e.g. | |
1896 * not able to execute the shell). | |
1897 * Try finding a swap file by simply adding ".swp" to the file name. | |
1898 */ | |
2267 | 1899 if (*dirp == NUL && file_count + num_files == 0 && fname != NULL) |
7 | 1900 { |
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1901 stat_T st; |
7 | 1902 char_u *swapname; |
1903 | |
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1904 swapname = modname(fname_res, |
2823 | 1905 #if defined(VMS) |
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1906 (char_u *)"_swp", FALSE |
7 | 1907 #else |
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1908 (char_u *)".swp", TRUE |
7 | 1909 #endif |
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1910 ); |
7 | 1911 if (swapname != NULL) |
1912 { | |
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1913 if (mch_stat((char *)swapname, &st) != -1) // It exists! |
7 | 1914 { |
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1915 files = ALLOC_ONE(char_u *); |
7 | 1916 if (files != NULL) |
1917 { | |
1918 files[0] = swapname; | |
1919 swapname = NULL; | |
1920 num_files = 1; | |
1921 } | |
1922 } | |
1923 vim_free(swapname); | |
1924 } | |
1925 } | |
1926 | |
1927 /* | |
1928 * remove swapfile name of the current buffer, it must be ignored | |
1929 */ | |
1930 if (curbuf->b_ml.ml_mfp != NULL | |
1931 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL) | |
1932 { | |
1933 for (i = 0; i < num_files; ++i) | |
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1934 // Do not expand wildcards, on windows would try to expand |
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1935 // "%tmp%" in "%tmp%file". |
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1936 if (fullpathcmp(p, files[i], TRUE, FALSE) & FPC_SAME) |
7 | 1937 { |
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1938 // Remove the name from files[i]. Move further entries |
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1939 // down. When the array becomes empty free it here, since |
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1940 // FreeWild() won't be called below. |
7 | 1941 vim_free(files[i]); |
1855 | 1942 if (--num_files == 0) |
1943 vim_free(files); | |
1944 else | |
1945 for ( ; i < num_files; ++i) | |
1946 files[i] = files[i + 1]; | |
7 | 1947 } |
1948 } | |
838 | 1949 if (nr > 0) |
7 | 1950 { |
1951 file_count += num_files; | |
1952 if (nr <= file_count) | |
1953 { | |
2267 | 1954 *fname_out = vim_strsave( |
1955 files[nr - 1 + num_files - file_count]); | |
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|
1956 dirp = (char_u *)""; // stop searching |
7 | 1957 } |
1958 } | |
1959 else if (list) | |
1960 { | |
1961 if (dir_name[0] == '.' && dir_name[1] == NUL) | |
1962 { | |
2267 | 1963 if (fname == NULL) |
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|
1964 msg_puts(_(" In current directory:\n")); |
7 | 1965 else |
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|
1966 msg_puts(_(" Using specified name:\n")); |
7 | 1967 } |
1968 else | |
1969 { | |
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|
1970 msg_puts(_(" In directory ")); |
7 | 1971 msg_home_replace(dir_name); |
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|
1972 msg_puts(":\n"); |
7 | 1973 } |
1974 | |
1975 if (num_files) | |
1976 { | |
1977 for (i = 0; i < num_files; ++i) | |
1978 { | |
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|
1979 // print the swap file name |
7 | 1980 msg_outnum((long)++file_count); |
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1981 msg_puts(". "); |
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|
1982 msg_puts((char *)gettail(files[i])); |
7 | 1983 msg_putchar('\n'); |
1984 (void)swapfile_info(files[i]); | |
1985 } | |
1986 } | |
1987 else | |
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|
1988 msg_puts(_(" -- none --\n")); |
7 | 1989 out_flush(); |
1990 } | |
1991 else | |
1992 file_count += num_files; | |
1993 | |
1994 for (i = 0; i < num_names; ++i) | |
1995 vim_free(names[i]); | |
838 | 1996 if (num_files > 0) |
1997 FreeWild(num_files, files); | |
7 | 1998 } |
1999 vim_free(dir_name); | |
2000 return file_count; | |
2001 } | |
2002 | |
15868
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patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
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|
2003 #if defined(UNIX) || defined(MSWIN) || defined(PROTO) |
7 | 2004 /* |
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|
2005 * Need _very_ long file names. |
7 | 2006 * Append the full path to name with path separators made into percent |
2007 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"") | |
2008 */ | |
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|
2009 char_u * |
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|
2010 make_percent_swname(char_u *dir, char_u *name) |
7 | 2011 { |
14475
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|
2012 char_u *d = NULL, *s, *f; |
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|
2013 |
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|
2014 f = fix_fname(name != NULL ? name : (char_u *)""); |
7 | 2015 if (f != NULL) |
2016 { | |
16764
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patch 8.1.1384: using "int" for alloc() often results in compiler warnings
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|
2017 s = alloc(STRLEN(f) + 1); |
7 | 2018 if (s != NULL) |
2019 { | |
39 | 2020 STRCPY(s, f); |
11127
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patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
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|
2021 for (d = s; *d != NUL; MB_PTR_ADV(d)) |
39 | 2022 if (vim_ispathsep(*d)) |
2023 *d = '%'; | |
7 | 2024 d = concat_fnames(dir, s, TRUE); |
2025 vim_free(s); | |
2026 } | |
2027 vim_free(f); | |
2028 } | |
2029 return d; | |
2030 } | |
2031 #endif | |
2032 | |
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patch 8.1.1232: can't build on MS-Windows
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|
2033 #if (defined(UNIX) || defined(VMS) || defined(MSWIN)) \ |
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patch 8.1.1232: can't build on MS-Windows
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|
2034 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) |
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
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|
2035 # define HAVE_PROCESS_STILL_RUNNING |
7 | 2036 static int process_still_running; |
2037 #endif | |
2038 | |
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|
2039 #if defined(FEAT_EVAL) || defined(PROTO) |
7 | 2040 /* |
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|
2041 * Return information found in swapfile "fname" in dictionary "d". |
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|
2042 * This is used by the swapinfo() function. |
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|
2043 */ |
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|
2044 void |
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|
2045 get_b0_dict(char_u *fname, dict_T *d) |
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|
2046 { |
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|
2047 int fd; |
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|
2048 struct block0 b0; |
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|
2049 |
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|
2050 if ((fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0) |
72d6f6f7ead7
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|
2051 { |
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|
2052 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) |
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|
2053 { |
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diff
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|
2054 if (ml_check_b0_id(&b0) == FAIL) |
15267
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|
2055 dict_add_string(d, "error", (char_u *)"Not a swap file"); |
14601
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|
2056 else if (b0_magic_wrong(&b0)) |
15267
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patch 8.1.0642: swapinfo() leaks memory
Bram Moolenaar <Bram@vim.org>
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changeset
|
2057 dict_add_string(d, "error", (char_u *)"Magic number mismatch"); |
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|
2058 else |
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Christian Brabandt <cb@256bit.org>
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|
2059 { |
18800
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2060 // we have swap information |
15267
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patch 8.1.0642: swapinfo() leaks memory
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diff
changeset
|
2061 dict_add_string_len(d, "version", b0.b0_version, 10); |
762fccd84b7c
patch 8.1.0642: swapinfo() leaks memory
Bram Moolenaar <Bram@vim.org>
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changeset
|
2062 dict_add_string_len(d, "user", b0.b0_uname, B0_UNAME_SIZE); |
762fccd84b7c
patch 8.1.0642: swapinfo() leaks memory
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2063 dict_add_string_len(d, "host", b0.b0_hname, B0_HNAME_SIZE); |
762fccd84b7c
patch 8.1.0642: swapinfo() leaks memory
Bram Moolenaar <Bram@vim.org>
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changeset
|
2064 dict_add_string_len(d, "fname", b0.b0_fname, B0_FNAME_SIZE_ORG); |
14599
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Christian Brabandt <cb@256bit.org>
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|
2065 |
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|
2066 dict_add_number(d, "pid", char_to_long(b0.b0_pid)); |
72d6f6f7ead7
patch 8.1.0313: information about a swap file is unavailable
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|
2067 dict_add_number(d, "mtime", char_to_long(b0.b0_mtime)); |
14601
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Christian Brabandt <cb@256bit.org>
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|
2068 dict_add_number(d, "dirty", b0.b0_dirty ? 1 : 0); |
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parents:
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diff
changeset
|
2069 # ifdef CHECK_INODE |
14599
72d6f6f7ead7
patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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diff
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|
2070 dict_add_number(d, "inode", char_to_long(b0.b0_ino)); |
14601
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patch 8.1.0314: build failure without the +eval feature
Christian Brabandt <cb@256bit.org>
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|
2071 # endif |
14599
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patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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diff
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|
2072 } |
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|
2073 } |
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patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2074 else |
15267
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patch 8.1.0642: swapinfo() leaks memory
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2075 dict_add_string(d, "error", (char_u *)"Cannot read file"); |
14599
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patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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diff
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|
2076 close(fd); |
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patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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|
2077 } |
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patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2078 else |
15267
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Bram Moolenaar <Bram@vim.org>
parents:
15255
diff
changeset
|
2079 dict_add_string(d, "error", (char_u *)"Cannot open file"); |
14599
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patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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14593
diff
changeset
|
2080 } |
14601
d0ff19a55579
patch 8.1.0314: build failure without the +eval feature
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2081 #endif |
14599
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patch 8.1.0313: information about a swap file is unavailable
Christian Brabandt <cb@256bit.org>
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diff
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|
2082 |
72d6f6f7ead7
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2083 /* |
580 | 2084 * Give information about an existing swap file. |
7 | 2085 * Returns timestamp (0 when unknown). |
2086 */ | |
2087 static time_t | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2088 swapfile_info(char_u *fname) |
7 | 2089 { |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
2090 stat_T st; |
7 | 2091 int fd; |
2092 struct block0 b0; | |
2093 #ifdef UNIX | |
2094 char_u uname[B0_UNAME_SIZE]; | |
2095 #endif | |
2096 | |
16621
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
16455
diff
changeset
|
2097 // print the swap file date |
7 | 2098 if (mch_stat((char *)fname, &st) != -1) |
2099 { | |
2100 #ifdef UNIX | |
16621
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
16455
diff
changeset
|
2101 // print name of owner of the file |
7 | 2102 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK) |
2103 { | |
15543
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patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2104 msg_puts(_(" owned by: ")); |
7 | 2105 msg_outtrans(uname); |
15543
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changeset
|
2106 msg_puts(_(" dated: ")); |
7 | 2107 } |
2108 else | |
2109 #endif | |
15543
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parents:
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diff
changeset
|
2110 msg_puts(_(" dated: ")); |
16621
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2111 msg_puts(get_ctime(st.st_mtime, TRUE)); |
7 | 2112 } |
16621
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patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2113 else |
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2114 st.st_mtime = 0; |
7 | 2115 |
2116 /* | |
2117 * print the original file name | |
2118 */ | |
2119 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
2120 if (fd >= 0) | |
2121 { | |
2664 | 2122 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) |
7 | 2123 { |
2124 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0) | |
2125 { | |
15543
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Bram Moolenaar <Bram@vim.org>
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15470
diff
changeset
|
2126 msg_puts(_(" [from Vim version 3.0]")); |
7 | 2127 } |
2267 | 2128 else if (ml_check_b0_id(&b0) == FAIL) |
7 | 2129 { |
15543
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Bram Moolenaar <Bram@vim.org>
parents:
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|
2130 msg_puts(_(" [does not look like a Vim swap file]")); |
7 | 2131 } |
2132 else | |
2133 { | |
15543
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2134 msg_puts(_(" file name: ")); |
7 | 2135 if (b0.b0_fname[0] == NUL) |
15543
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2136 msg_puts(_("[No Name]")); |
7 | 2137 else |
2138 msg_outtrans(b0.b0_fname); | |
2139 | |
15543
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changeset
|
2140 msg_puts(_("\n modified: ")); |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2141 msg_puts(b0.b0_dirty ? _("YES") : _("no")); |
7 | 2142 |
2143 if (*(b0.b0_uname) != NUL) | |
2144 { | |
15543
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Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2145 msg_puts(_("\n user name: ")); |
7 | 2146 msg_outtrans(b0.b0_uname); |
2147 } | |
2148 | |
2149 if (*(b0.b0_hname) != NUL) | |
2150 { | |
2151 if (*(b0.b0_uname) != NUL) | |
15543
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diff
changeset
|
2152 msg_puts(_(" host name: ")); |
7 | 2153 else |
15543
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2154 msg_puts(_("\n host name: ")); |
7 | 2155 msg_outtrans(b0.b0_hname); |
2156 } | |
2157 | |
2158 if (char_to_long(b0.b0_pid) != 0L) | |
2159 { | |
15543
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2160 msg_puts(_("\n process ID: ")); |
7 | 2161 msg_outnum(char_to_long(b0.b0_pid)); |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2162 #if defined(UNIX) || defined(MSWIN) |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
2163 if (mch_process_running(char_to_long(b0.b0_pid))) |
7 | 2164 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2165 msg_puts(_(" (STILL RUNNING)")); |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2166 # ifdef HAVE_PROCESS_STILL_RUNNING |
7 | 2167 process_still_running = TRUE; |
2168 # endif | |
2169 } | |
2170 #endif | |
2171 } | |
2172 | |
2173 if (b0_magic_wrong(&b0)) | |
2174 { | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
2175 #if defined(MSWIN) |
7 | 2176 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2177 msg_puts(_("\n [not usable with this version of Vim]")); |
7 | 2178 else |
2179 #endif | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2180 msg_puts(_("\n [not usable on this computer]")); |
7 | 2181 } |
2182 } | |
2183 } | |
2184 else | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2185 msg_puts(_(" [cannot be read]")); |
7 | 2186 close(fd); |
2187 } | |
2188 else | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2189 msg_puts(_(" [cannot be opened]")); |
7 | 2190 msg_putchar('\n'); |
2191 | |
16621
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
16455
diff
changeset
|
2192 return st.st_mtime; |
7 | 2193 } |
2194 | |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2195 /* |
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patch 8.1.1231: asking about existing swap file unnecessarily
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diff
changeset
|
2196 * Return TRUE if the swap file looks OK and there are no changes, thus it can |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
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diff
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|
2197 * be safely deleted. |
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patch 8.1.1231: asking about existing swap file unnecessarily
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diff
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|
2198 */ |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2199 static time_t |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2200 swapfile_unchanged(char_u *fname) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2201 { |
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patch 8.1.1231: asking about existing swap file unnecessarily
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diff
changeset
|
2202 stat_T st; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
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diff
changeset
|
2203 int fd; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
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diff
changeset
|
2204 struct block0 b0; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2205 int ret = TRUE; |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2206 #if defined(UNIX) || defined(MSWIN) |
16453
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changeset
|
2207 long pid; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2208 #endif |
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patch 8.1.1231: asking about existing swap file unnecessarily
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diff
changeset
|
2209 |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2210 // must be able to stat the swap file |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2211 if (mch_stat((char *)fname, &st) == -1) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2212 return FALSE; |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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|
2213 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
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parents:
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diff
changeset
|
2214 // must be able to read the first block |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2215 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2216 if (fd < 0) |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2217 return FALSE; |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2218 if (read_eintr(fd, &b0, sizeof(b0)) != sizeof(b0)) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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|
2219 { |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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|
2220 close(fd); |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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|
2221 return FALSE; |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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|
2222 } |
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patch 8.1.1231: asking about existing swap file unnecessarily
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diff
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|
2223 |
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patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2224 // the ID and magic number must be correct |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2225 if (ml_check_b0_id(&b0) == FAIL|| b0_magic_wrong(&b0)) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2226 ret = FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2227 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2228 // must be unchanged |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2229 if (b0.b0_dirty) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2230 ret = FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2231 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2232 #if defined(UNIX) || defined(MSWIN) |
18498
9e6d5a4abb1c
patch 8.1.2243: typos in comments
Bram Moolenaar <Bram@vim.org>
parents:
18459
diff
changeset
|
2233 // process must be known and not be running |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2234 pid = char_to_long(b0.b0_pid); |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
2235 if (pid == 0L || mch_process_running(pid)) |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2236 ret = FALSE; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2237 #endif |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2238 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2239 // TODO: Should we check if the swap file was created on the current |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2240 // system? And the current user? |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2241 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2242 close(fd); |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2243 return ret; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2244 } |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
2245 |
7 | 2246 static int |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2247 recov_file_names(char_u **names, char_u *path, int prepend_dot) |
7 | 2248 { |
2249 int num_names; | |
2250 | |
2251 /* | |
2252 * (Win32 and Win64) never short names, but do prepend a dot. | |
2253 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both. | |
2254 * Only use the short name if it is different. | |
2255 */ | |
2256 char_u *p; | |
2257 int i; | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
2258 # ifndef MSWIN |
7 | 2259 int shortname = curbuf->b_shortname; |
2260 | |
2261 curbuf->b_shortname = FALSE; | |
2262 # endif | |
2263 | |
2264 num_names = 0; | |
2265 | |
2266 /* | |
2267 * May also add the file name with a dot prepended, for swap file in same | |
2268 * dir as original file. | |
2269 */ | |
2270 if (prepend_dot) | |
2271 { | |
2272 names[num_names] = modname(path, (char_u *)".sw?", TRUE); | |
2273 if (names[num_names] == NULL) | |
2274 goto end; | |
2275 ++num_names; | |
2276 } | |
2277 | |
2278 /* | |
2279 * Form the normal swap file name pattern by appending ".sw?". | |
2280 */ | |
2281 #ifdef VMS | |
2282 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE); | |
2283 #else | |
2284 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE); | |
2285 #endif | |
2286 if (names[num_names] == NULL) | |
2287 goto end; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2288 if (num_names >= 1) // check if we have the same name twice |
7 | 2289 { |
2290 p = names[num_names - 1]; | |
2291 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]); | |
2292 if (i > 0) | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2293 p += i; // file name has been expanded to full path |
7 | 2294 |
2295 if (STRCMP(p, names[num_names]) != 0) | |
2296 ++num_names; | |
2297 else | |
2298 vim_free(names[num_names]); | |
2299 } | |
2300 else | |
2301 ++num_names; | |
2302 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
2303 # ifndef MSWIN |
7 | 2304 /* |
2305 * Also try with 'shortname' set, in case the file is on a DOS filesystem. | |
2306 */ | |
2307 curbuf->b_shortname = TRUE; | |
2308 #ifdef VMS | |
2309 names[num_names] = modname(path, (char_u *)"_sw%", FALSE); | |
2310 #else | |
2311 names[num_names] = modname(path, (char_u *)".sw?", FALSE); | |
2312 #endif | |
2313 if (names[num_names] == NULL) | |
2314 goto end; | |
2315 | |
2316 /* | |
2317 * Remove the one from 'shortname', if it's the same as with 'noshortname'. | |
2318 */ | |
2319 p = names[num_names]; | |
2320 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]); | |
2321 if (i > 0) | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2322 p += i; // file name has been expanded to full path |
7 | 2323 if (STRCMP(names[num_names - 1], p) == 0) |
2324 vim_free(names[num_names]); | |
2325 else | |
2326 ++num_names; | |
2327 # endif | |
2328 | |
2329 end: | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
2330 # ifndef MSWIN |
7 | 2331 curbuf->b_shortname = shortname; |
2332 # endif | |
2333 | |
2334 return num_names; | |
2335 } | |
2336 | |
2337 /* | |
2338 * sync all memlines | |
2339 * | |
2340 * If 'check_file' is TRUE, check if original file exists and was not changed. | |
2341 * If 'check_char' is TRUE, stop syncing when character becomes available, but | |
2342 * always sync at least one block. | |
2343 */ | |
2344 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2345 ml_sync_all(int check_file, int check_char) |
7 | 2346 { |
2347 buf_T *buf; | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
2348 stat_T st; |
7 | 2349 |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9536
diff
changeset
|
2350 FOR_ALL_BUFFERS(buf) |
7 | 2351 { |
2352 if (buf->b_ml.ml_mfp == NULL || buf->b_ml.ml_mfp->mf_fname == NULL) | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2353 continue; // no file |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2354 |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2355 ml_flush_line(buf); // flush buffered line |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2356 // flush locked block |
7 | 2357 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); |
2358 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp) | |
2359 && buf->b_ffname != NULL) | |
2360 { | |
2361 /* | |
2362 * If the original file does not exist anymore or has been changed | |
2363 * call ml_preserve() to get rid of all negative numbered blocks. | |
2364 */ | |
2365 if (mch_stat((char *)buf->b_ffname, &st) == -1 | |
2366 || st.st_mtime != buf->b_mtime_read | |
2241
60da25e3aab7
Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents:
2240
diff
changeset
|
2367 || st.st_size != buf->b_orig_size) |
7 | 2368 { |
2369 ml_preserve(buf, FALSE); | |
2370 did_check_timestamps = FALSE; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2371 need_check_timestamps = TRUE; // give message later |
7 | 2372 } |
2373 } | |
2374 if (buf->b_ml.ml_mfp->mf_dirty) | |
2375 { | |
2376 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0) | |
2377 | (bufIsChanged(buf) ? MFS_FLUSH : 0)); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2378 if (check_char && ui_char_avail()) // character available now |
7 | 2379 break; |
2380 } | |
2381 } | |
2382 } | |
2383 | |
2384 /* | |
2385 * sync one buffer, including negative blocks | |
2386 * | |
2387 * after this all the blocks are in the swap file | |
2388 * | |
2389 * Used for the :preserve command and when the original file has been | |
2390 * changed or deleted. | |
2391 * | |
2392 * when message is TRUE the success of preserving is reported | |
2393 */ | |
2394 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2395 ml_preserve(buf_T *buf, int message) |
7 | 2396 { |
2397 bhdr_T *hp; | |
2398 linenr_T lnum; | |
2399 memfile_T *mfp = buf->b_ml.ml_mfp; | |
2400 int status; | |
2401 int got_int_save = got_int; | |
2402 | |
2403 if (mfp == NULL || mfp->mf_fname == NULL) | |
2404 { | |
2405 if (message) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
2406 emsg(_("E313: Cannot preserve, there is no swap file")); |
7 | 2407 return; |
2408 } | |
2409 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2410 // We only want to stop when interrupted here, not when interrupted |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2411 // before. |
7 | 2412 got_int = FALSE; |
2413 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2414 ml_flush_line(buf); // flush buffered line |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2415 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); // flush locked block |
7 | 2416 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH); |
2417 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2418 // stack is invalid after mf_sync(.., MFS_ALL) |
7 | 2419 buf->b_ml.ml_stack_top = 0; |
2420 | |
2421 /* | |
2422 * Some of the data blocks may have been changed from negative to | |
2423 * positive block number. In that case the pointer blocks need to be | |
2424 * updated. | |
2425 * | |
2426 * We don't know in which pointer block the references are, so we visit | |
2427 * all data blocks until there are no more translations to be done (or | |
2428 * we hit the end of the file, which can only happen in case a write fails, | |
2429 * e.g. when file system if full). | |
2430 * ml_find_line() does the work by translating the negative block numbers | |
2431 * when getting the first line of each data block. | |
2432 */ | |
2433 if (mf_need_trans(mfp) && !got_int) | |
2434 { | |
2435 lnum = 1; | |
2436 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count) | |
2437 { | |
2438 hp = ml_find_line(buf, lnum, ML_FIND); | |
2439 if (hp == NULL) | |
2440 { | |
2441 status = FAIL; | |
2442 goto theend; | |
2443 } | |
2444 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum"); | |
2445 lnum = buf->b_ml.ml_locked_high + 1; | |
2446 } | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2447 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); // flush locked block |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2448 // sync the updated pointer blocks |
7 | 2449 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL) |
2450 status = FAIL; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2451 buf->b_ml.ml_stack_top = 0; // stack is invalid now |
7 | 2452 } |
2453 theend: | |
2454 got_int |= got_int_save; | |
2455 | |
2456 if (message) | |
2457 { | |
2458 if (status == OK) | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2459 msg(_("File preserved")); |
7 | 2460 else |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
2461 emsg(_("E314: Preserve failed")); |
7 | 2462 } |
2463 } | |
2464 | |
2465 /* | |
2466 * NOTE: The pointer returned by the ml_get_*() functions only remains valid | |
2467 * until the next call! | |
2468 * line1 = ml_get(1); | |
2469 * line2 = ml_get(2); // line1 is now invalid! | |
2470 * Make a copy of the line if necessary. | |
2471 */ | |
2472 /* | |
2657 | 2473 * Return a pointer to a (read-only copy of a) line. |
7 | 2474 * |
2475 * On failure an error message is given and IObuff is returned (to avoid | |
2476 * having to check for error everywhere). | |
2477 */ | |
2478 char_u * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2479 ml_get(linenr_T lnum) |
7 | 2480 { |
2481 return ml_get_buf(curbuf, lnum, FALSE); | |
2482 } | |
2483 | |
2484 /* | |
2657 | 2485 * Return pointer to position "pos". |
7 | 2486 */ |
2487 char_u * | |
7827
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2488 ml_get_pos(pos_T *pos) |
7 | 2489 { |
2490 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col); | |
2491 } | |
2492 | |
2493 /* | |
2657 | 2494 * Return pointer to cursor line. |
7 | 2495 */ |
2496 char_u * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2497 ml_get_curline(void) |
7 | 2498 { |
2499 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE); | |
2500 } | |
2501 | |
2502 /* | |
2657 | 2503 * Return pointer to cursor position. |
7 | 2504 */ |
2505 char_u * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2506 ml_get_cursor(void) |
7 | 2507 { |
2508 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) + | |
2509 curwin->w_cursor.col); | |
2510 } | |
2511 | |
2512 /* | |
2657 | 2513 * Return a pointer to a line in a specific buffer |
7 | 2514 * |
2515 * "will_change": if TRUE mark the buffer dirty (chars in the line will be | |
2516 * changed) | |
2517 */ | |
2518 char_u * | |
7827
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
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7803
diff
changeset
|
2519 ml_get_buf( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2520 buf_T *buf, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2521 linenr_T lnum, |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2522 int will_change) // line will be changed |
7 | 2523 { |
1068 | 2524 bhdr_T *hp; |
2525 DATA_BL *dp; | |
2526 static int recursive = 0; | |
7 | 2527 |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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18763
diff
changeset
|
2528 if (lnum > buf->b_ml.ml_line_count) // invalid line number |
7 | 2529 { |
1068 | 2530 if (recursive == 0) |
2531 { | |
18800
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2532 // Avoid giving this message for a recursive call, may happen when |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2533 // the GUI redraws part of the text. |
1068 | 2534 ++recursive; |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2535 siemsg(_("E315: ml_get: invalid lnum: %ld"), lnum); |
1068 | 2536 --recursive; |
2537 } | |
7 | 2538 errorret: |
2539 STRCPY(IObuff, "???"); | |
16786
98ca522e6453
patch 8.1.1395: saving for undo may access invalid memory
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2540 buf->b_ml.ml_line_len = 4; |
7 | 2541 return IObuff; |
2542 } | |
16786
98ca522e6453
patch 8.1.1395: saving for undo may access invalid memory
Bram Moolenaar <Bram@vim.org>
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16764
diff
changeset
|
2543 if (lnum <= 0) // pretend line 0 is line 1 |
7 | 2544 lnum = 1; |
2545 | |
16786
98ca522e6453
patch 8.1.1395: saving for undo may access invalid memory
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2546 if (buf->b_ml.ml_mfp == NULL) // there are no lines |
98ca522e6453
patch 8.1.1395: saving for undo may access invalid memory
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diff
changeset
|
2547 { |
98ca522e6453
patch 8.1.1395: saving for undo may access invalid memory
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16764
diff
changeset
|
2548 buf->b_ml.ml_line_len = 1; |
7 | 2549 return (char_u *)""; |
16786
98ca522e6453
patch 8.1.1395: saving for undo may access invalid memory
Bram Moolenaar <Bram@vim.org>
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16764
diff
changeset
|
2550 } |
7 | 2551 |
2108
3cdf2a653e00
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Bram Moolenaar <bram@zimbu.org>
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2075
diff
changeset
|
2552 /* |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
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2075
diff
changeset
|
2553 * See if it is the same line as requested last time. |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2554 * Otherwise may need to flush last used line. |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2555 * Don't use the last used line when 'swapfile' is reset, need to load all |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2556 * blocks. |
3cdf2a653e00
updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents:
2075
diff
changeset
|
2557 */ |
1066 | 2558 if (buf->b_ml.ml_line_lnum != lnum || mf_dont_release) |
7 | 2559 { |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2560 unsigned start, end; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2561 colnr_T len; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2562 int idx; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2563 |
7 | 2564 ml_flush_line(buf); |
2565 | |
2566 /* | |
2567 * Find the data block containing the line. | |
2568 * This also fills the stack with the blocks from the root to the data | |
2569 * block and releases any locked block. | |
2570 */ | |
2571 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL) | |
2572 { | |
1068 | 2573 if (recursive == 0) |
2574 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2575 // Avoid giving this message for a recursive call, may happen |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
2576 // when the GUI redraws part of the text. |
1068 | 2577 ++recursive; |
18459
5c0437acebb7
patch 8.1.2223: cannot see what buffer an ml_get error is for
Bram Moolenaar <Bram@vim.org>
parents:
18372
diff
changeset
|
2578 get_trans_bufname(buf); |
5c0437acebb7
patch 8.1.2223: cannot see what buffer an ml_get error is for
Bram Moolenaar <Bram@vim.org>
parents:
18372
diff
changeset
|
2579 shorten_dir(NameBuff); |
5c0437acebb7
patch 8.1.2223: cannot see what buffer an ml_get error is for
Bram Moolenaar <Bram@vim.org>
parents:
18372
diff
changeset
|
2580 siemsg(_("E316: ml_get: cannot find line %ld in buffer %d %s"), |
5c0437acebb7
patch 8.1.2223: cannot see what buffer an ml_get error is for
Bram Moolenaar <Bram@vim.org>
parents:
18372
diff
changeset
|
2581 lnum, buf->b_fnum, NameBuff); |
1068 | 2582 --recursive; |
2583 } | |
7 | 2584 goto errorret; |
2585 } | |
2586 | |
2587 dp = (DATA_BL *)(hp->bh_data); | |
2588 | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2589 idx = lnum - buf->b_ml.ml_locked_low; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2590 start = ((dp->db_index[idx]) & DB_INDEX_MASK); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2591 // The text ends where the previous line starts. The first line ends |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2592 // at the end of the block. |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
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14980
diff
changeset
|
2593 if (idx == 0) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2594 end = dp->db_txt_end; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2595 else |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2596 end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2597 len = end - start; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2598 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2599 buf->b_ml.ml_line_ptr = (char_u *)dp + start; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2600 buf->b_ml.ml_line_len = len; |
7 | 2601 buf->b_ml.ml_line_lnum = lnum; |
2602 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY; | |
2603 } | |
2604 if (will_change) | |
2605 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
2606 | |
2607 return buf->b_ml.ml_line_ptr; | |
2608 } | |
2609 | |
2610 /* | |
2611 * Check if a line that was just obtained by a call to ml_get | |
2612 * is in allocated memory. | |
2613 */ | |
2614 int | |
7827
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Christian Brabandt <cb@256bit.org>
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7803
diff
changeset
|
2615 ml_line_alloced(void) |
7 | 2616 { |
2617 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY); | |
2618 } | |
2619 | |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2620 #ifdef FEAT_PROP_POPUP |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
2621 /* |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
2622 * Add text properties that continue from the previous line. |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
2623 */ |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2624 static void |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2625 add_text_props_for_append( |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2626 buf_T *buf, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2627 linenr_T lnum, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2628 char_u **line, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2629 int *len, |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2630 char_u **tofree) |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2631 { |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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15292
diff
changeset
|
2632 int round; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2633 int new_prop_count = 0; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
2634 int count; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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15292
diff
changeset
|
2635 int n; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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15292
diff
changeset
|
2636 char_u *props; |
17974
9fb236d0f386
patch 8.1.1983: compiler nags for uninitialized variable and unused function
Bram Moolenaar <Bram@vim.org>
parents:
17632
diff
changeset
|
2637 int new_len = 0; // init for gcc |
22242
f7871f02ddcd
patch 8.2.1670: a couple of gcc compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
21915
diff
changeset
|
2638 char_u *new_line = NULL; |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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15292
diff
changeset
|
2639 textprop_T prop; |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2640 |
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diff
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|
2641 // Make two rounds: |
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diff
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|
2642 // 1. calculate the extra space needed |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2643 // 2. allocate the space and fill it |
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Bram Moolenaar <Bram@vim.org>
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|
2644 for (round = 1; round <= 2; ++round) |
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|
2645 { |
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|
2646 if (round == 2) |
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|
2647 { |
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diff
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|
2648 if (new_prop_count == 0) |
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|
2649 return; // nothing to do |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2650 new_len = *len + new_prop_count * sizeof(textprop_T); |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16738
diff
changeset
|
2651 new_line = alloc(new_len); |
15294
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diff
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|
2652 if (new_line == NULL) |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2653 return; |
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diff
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|
2654 mch_memmove(new_line, *line, *len); |
2d8225cc1315
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|
2655 new_prop_count = 0; |
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Bram Moolenaar <Bram@vim.org>
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|
2656 } |
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diff
changeset
|
2657 |
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diff
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|
2658 // Get the line above to find any props that continue in the next |
2d8225cc1315
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diff
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|
2659 // line. |
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diff
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|
2660 count = get_text_props(buf, lnum, &props, FALSE); |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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|
2661 for (n = 0; n < count; ++n) |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2662 { |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
2663 mch_memmove(&prop, props + n * sizeof(textprop_T), |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
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|
2664 sizeof(textprop_T)); |
15294
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diff
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|
2665 if (prop.tp_flags & TP_FLAG_CONT_NEXT) |
2d8225cc1315
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|
2666 { |
2d8225cc1315
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diff
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|
2667 if (round == 2) |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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|
2668 { |
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2669 prop.tp_flags |= TP_FLAG_CONT_PREV; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2670 prop.tp_col = 1; |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2671 prop.tp_len = *len; // not exactly the right length |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2672 mch_memmove(new_line + *len + new_prop_count |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2673 * sizeof(textprop_T), &prop, sizeof(textprop_T)); |
15294
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2674 } |
2d8225cc1315
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diff
changeset
|
2675 ++new_prop_count; |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2676 } |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2677 } |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2678 } |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2679 *line = new_line; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2680 *tofree = new_line; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2681 *len = new_len; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
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|
2682 } |
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2683 #endif |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2684 |
7 | 2685 static int |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2686 ml_append_int( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2687 buf_T *buf, |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2688 linenr_T lnum, // append after this line (can be 0) |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2689 char_u *line_arg, // text of the new line |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2690 colnr_T len_arg, // length of line, including NUL, or 0 |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
2691 int flags) // ML_APPEND_ flags |
7 | 2692 { |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2693 char_u *line = line_arg; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2694 colnr_T len = len_arg; |
7 | 2695 int i; |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2696 int line_count; // number of indexes in current block |
7 | 2697 int offset; |
2698 int from, to; | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2699 int space_needed; // space needed for new line |
7 | 2700 int page_size; |
2701 int page_count; | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2702 int db_idx; // index for lnum in data block |
7 | 2703 bhdr_T *hp; |
2704 memfile_T *mfp; | |
2705 DATA_BL *dp; | |
2706 PTR_BL *pp; | |
2707 infoptr_T *ip; | |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2708 #ifdef FEAT_PROP_POPUP |
15294
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2709 char_u *tofree = NULL; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2710 #endif |
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Bram Moolenaar <Bram@vim.org>
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diff
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|
2711 int ret = FAIL; |
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patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2712 |
7 | 2713 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL) |
15294
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2714 return FAIL; // lnum out of range |
7 | 2715 |
2716 if (lowest_marked && lowest_marked > lnum) | |
2717 lowest_marked = lnum + 1; | |
2718 | |
2719 if (len == 0) | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
2720 len = (colnr_T)STRLEN(line) + 1; // space needed for the text |
15294
2d8225cc1315
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2721 |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2722 #ifdef FEAT_PROP_POPUP |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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19396
diff
changeset
|
2723 if (curbuf->b_has_textprop && lnum > 0 && !(flags & ML_APPEND_UNDO)) |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2724 // Add text properties that continue from the previous line. |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2725 add_text_props_for_append(buf, lnum, &line, &len, &tofree); |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2726 #endif |
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diff
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|
2727 |
15138
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patch 8.1.0579: cannot attach properties to text
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diff
changeset
|
2728 space_needed = len + INDEX_SIZE; // space needed for text + index |
7 | 2729 |
2730 mfp = buf->b_ml.ml_mfp; | |
2731 page_size = mfp->mf_page_size; | |
2732 | |
2733 /* | |
2734 * find the data block containing the previous line | |
2735 * This also fills the stack with the blocks from the root to the data block | |
2736 * This also releases any locked block. | |
2737 */ | |
2738 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum, | |
2739 ML_INSERT)) == NULL) | |
15294
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diff
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|
2740 goto theend; |
7 | 2741 |
2742 buf->b_ml.ml_flags &= ~ML_EMPTY; | |
2743 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
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diff
changeset
|
2744 if (lnum == 0) // got line one instead, correct db_idx |
f41b55f9357c
patch 8.1.2388: using old C style comments
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diff
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|
2745 db_idx = -1; // careful, it is negative! |
7 | 2746 else |
2747 db_idx = lnum - buf->b_ml.ml_locked_low; | |
18800
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2748 // get line count before the insertion |
7 | 2749 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low; |
2750 | |
2751 dp = (DATA_BL *)(hp->bh_data); | |
2752 | |
2753 /* | |
2754 * If | |
2755 * - there is not enough room in the current block | |
2756 * - appending to the last line in the block | |
2757 * - not appending to the last line in the file | |
2758 * insert in front of the next block. | |
2759 */ | |
2760 if ((int)dp->db_free < space_needed && db_idx == line_count - 1 | |
2761 && lnum < buf->b_ml.ml_line_count) | |
2762 { | |
2763 /* | |
2764 * Now that the line is not going to be inserted in the block that we | |
2765 * expected, the line count has to be adjusted in the pointer blocks | |
2766 * by using ml_locked_lineadd. | |
2767 */ | |
2768 --(buf->b_ml.ml_locked_lineadd); | |
2769 --(buf->b_ml.ml_locked_high); | |
2770 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL) | |
15294
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|
2771 goto theend; |
7 | 2772 |
18800
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diff
changeset
|
2773 db_idx = -1; // careful, it is negative! |
f41b55f9357c
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diff
changeset
|
2774 // get line count before the insertion |
7 | 2775 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low; |
2776 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1"); | |
2777 | |
2778 dp = (DATA_BL *)(hp->bh_data); | |
2779 } | |
2780 | |
2781 ++buf->b_ml.ml_line_count; | |
2782 | |
18800
f41b55f9357c
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diff
changeset
|
2783 if ((int)dp->db_free >= space_needed) // enough room in data block |
7 | 2784 { |
15294
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|
2785 /* |
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|
2786 * Insert the new line in an existing data block, or in the data block |
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|
2787 * allocated above. |
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|
2788 */ |
7 | 2789 dp->db_txt_start -= len; |
2790 dp->db_free -= space_needed; | |
2791 ++(dp->db_line_count); | |
2792 | |
2793 /* | |
2794 * move the text of the lines that follow to the front | |
2795 * adjust the indexes of the lines that follow | |
2796 */ | |
18800
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changeset
|
2797 if (line_count > db_idx + 1) // if there are following lines |
7 | 2798 { |
2799 /* | |
2800 * Offset is the start of the previous line. | |
2801 * This will become the character just after the new line. | |
2802 */ | |
2803 if (db_idx < 0) | |
2804 offset = dp->db_txt_end; | |
2805 else | |
2806 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK); | |
2807 mch_memmove((char *)dp + dp->db_txt_start, | |
2808 (char *)dp + dp->db_txt_start + len, | |
2809 (size_t)(offset - (dp->db_txt_start + len))); | |
2810 for (i = line_count - 1; i > db_idx; --i) | |
2811 dp->db_index[i + 1] = dp->db_index[i] - len; | |
2812 dp->db_index[db_idx + 1] = offset - len; | |
2813 } | |
15138
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|
2814 else |
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changeset
|
2815 // add line at the end (which is the start of the text) |
7 | 2816 dp->db_index[db_idx + 1] = dp->db_txt_start; |
2817 | |
2818 /* | |
2819 * copy the text into the block | |
2820 */ | |
2821 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len); | |
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diff
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|
2822 if (flags & ML_APPEND_MARK) |
7 | 2823 dp->db_index[db_idx + 1] |= DB_MARKED; |
2824 | |
2825 /* | |
2826 * Mark the block dirty. | |
2827 */ | |
2828 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
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|
2829 if (!(flags & ML_APPEND_NEW)) |
7 | 2830 buf->b_ml.ml_flags |= ML_LOCKED_POS; |
2831 } | |
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diff
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|
2832 else // not enough space in data block |
7 | 2833 { |
2834 long line_count_left, line_count_right; | |
2835 int page_count_left, page_count_right; | |
2836 bhdr_T *hp_left; | |
2837 bhdr_T *hp_right; | |
2838 bhdr_T *hp_new; | |
2839 int lines_moved; | |
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|
2840 int data_moved = 0; // init to shut up gcc |
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|
2841 int total_moved = 0; // init to shut up gcc |
7 | 2842 DATA_BL *dp_right, *dp_left; |
2843 int stack_idx; | |
2844 int in_left; | |
2845 int lineadd; | |
2846 blocknr_T bnum_left, bnum_right; | |
2847 linenr_T lnum_left, lnum_right; | |
2848 int pb_idx; | |
2849 PTR_BL *pp_new; | |
2850 | |
2851 /* | |
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|
2852 * There is not enough room, we have to create a new data block and |
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|
2853 * copy some lines into it. |
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|
2854 * Then we have to insert an entry in the pointer block. |
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|
2855 * If this pointer block also is full, we go up another block, and so |
2d8225cc1315
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|
2856 * on, up to the root if necessary. |
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|
2857 * The line counts in the pointer blocks have already been adjusted by |
2d8225cc1315
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|
2858 * ml_find_line(). |
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|
2859 * |
7 | 2860 * We are going to allocate a new data block. Depending on the |
2861 * situation it will be put to the left or right of the existing | |
2862 * block. If possible we put the new line in the left block and move | |
2863 * the lines after it to the right block. Otherwise the new line is | |
2864 * also put in the right block. This method is more efficient when | |
2865 * inserting a lot of lines at one place. | |
2866 */ | |
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|
2867 if (db_idx < 0) // left block is new, right block is existing |
7 | 2868 { |
2869 lines_moved = 0; | |
2870 in_left = TRUE; | |
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2871 // space_needed does not change |
7 | 2872 } |
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|
2873 else // left block is existing, right block is new |
7 | 2874 { |
2875 lines_moved = line_count - db_idx - 1; | |
2876 if (lines_moved == 0) | |
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|
2877 in_left = FALSE; // put new line in right block |
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|
2878 // space_needed does not change |
7 | 2879 else |
2880 { | |
2881 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) - | |
2882 dp->db_txt_start; | |
2883 total_moved = data_moved + lines_moved * INDEX_SIZE; | |
2884 if ((int)dp->db_free + total_moved >= space_needed) | |
2885 { | |
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|
2886 in_left = TRUE; // put new line in left block |
7 | 2887 space_needed = total_moved; |
2888 } | |
2889 else | |
2890 { | |
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|
2891 in_left = FALSE; // put new line in right block |
7 | 2892 space_needed += total_moved; |
2893 } | |
2894 } | |
2895 } | |
2896 | |
2897 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size; | |
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|
2898 if ((hp_new = ml_new_data(mfp, flags & ML_APPEND_NEW, page_count)) |
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changeset
|
2899 == NULL) |
7 | 2900 { |
18800
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patch 8.1.2388: using old C style comments
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diff
changeset
|
2901 // correct line counts in pointer blocks |
7 | 2902 --(buf->b_ml.ml_locked_lineadd); |
2903 --(buf->b_ml.ml_locked_high); | |
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|
2904 goto theend; |
7 | 2905 } |
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diff
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|
2906 if (db_idx < 0) // left block is new |
7 | 2907 { |
2908 hp_left = hp_new; | |
2909 hp_right = hp; | |
2910 line_count_left = 0; | |
2911 line_count_right = line_count; | |
2912 } | |
18800
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diff
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|
2913 else // right block is new |
7 | 2914 { |
2915 hp_left = hp; | |
2916 hp_right = hp_new; | |
2917 line_count_left = line_count; | |
2918 line_count_right = 0; | |
2919 } | |
2920 dp_right = (DATA_BL *)(hp_right->bh_data); | |
2921 dp_left = (DATA_BL *)(hp_left->bh_data); | |
2922 bnum_left = hp_left->bh_bnum; | |
2923 bnum_right = hp_right->bh_bnum; | |
2924 page_count_left = hp_left->bh_page_count; | |
2925 page_count_right = hp_right->bh_page_count; | |
2926 | |
2927 /* | |
2928 * May move the new line into the right/new block. | |
2929 */ | |
2930 if (!in_left) | |
2931 { | |
2932 dp_right->db_txt_start -= len; | |
2933 dp_right->db_free -= len + INDEX_SIZE; | |
2934 dp_right->db_index[0] = dp_right->db_txt_start; | |
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diff
changeset
|
2935 if (flags & ML_APPEND_MARK) |
7 | 2936 dp_right->db_index[0] |= DB_MARKED; |
2937 | |
2938 mch_memmove((char *)dp_right + dp_right->db_txt_start, | |
2939 line, (size_t)len); | |
2940 ++line_count_right; | |
2941 } | |
2942 /* | |
2943 * may move lines from the left/old block to the right/new one. | |
2944 */ | |
2945 if (lines_moved) | |
2946 { | |
2947 /* | |
2948 */ | |
2949 dp_right->db_txt_start -= data_moved; | |
2950 dp_right->db_free -= total_moved; | |
2951 mch_memmove((char *)dp_right + dp_right->db_txt_start, | |
2952 (char *)dp_left + dp_left->db_txt_start, | |
2953 (size_t)data_moved); | |
2954 offset = dp_right->db_txt_start - dp_left->db_txt_start; | |
2955 dp_left->db_txt_start += data_moved; | |
2956 dp_left->db_free += total_moved; | |
2957 | |
2958 /* | |
2959 * update indexes in the new block | |
2960 */ | |
2961 for (to = line_count_right, from = db_idx + 1; | |
2962 from < line_count_left; ++from, ++to) | |
2963 dp_right->db_index[to] = dp->db_index[from] + offset; | |
2964 line_count_right += lines_moved; | |
2965 line_count_left -= lines_moved; | |
2966 } | |
2967 | |
2968 /* | |
2969 * May move the new line into the left (old or new) block. | |
2970 */ | |
2971 if (in_left) | |
2972 { | |
2973 dp_left->db_txt_start -= len; | |
2974 dp_left->db_free -= len + INDEX_SIZE; | |
2975 dp_left->db_index[line_count_left] = dp_left->db_txt_start; | |
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diff
changeset
|
2976 if (flags & ML_APPEND_MARK) |
7 | 2977 dp_left->db_index[line_count_left] |= DB_MARKED; |
2978 mch_memmove((char *)dp_left + dp_left->db_txt_start, | |
2979 line, (size_t)len); | |
2980 ++line_count_left; | |
2981 } | |
2982 | |
18800
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changeset
|
2983 if (db_idx < 0) // left block is new |
7 | 2984 { |
2985 lnum_left = lnum + 1; | |
2986 lnum_right = 0; | |
2987 } | |
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|
2988 else // right block is new |
7 | 2989 { |
2990 lnum_left = 0; | |
2991 if (in_left) | |
2992 lnum_right = lnum + 2; | |
2993 else | |
2994 lnum_right = lnum + 1; | |
2995 } | |
2996 dp_left->db_line_count = line_count_left; | |
2997 dp_right->db_line_count = line_count_right; | |
2998 | |
2999 /* | |
3000 * release the two data blocks | |
3001 * The new one (hp_new) already has a correct blocknumber. | |
3002 * The old one (hp, in ml_locked) gets a positive blocknumber if | |
3003 * we changed it and we are not editing a new file. | |
3004 */ | |
3005 if (lines_moved || in_left) | |
3006 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
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changeset
|
3007 if (!(flags & ML_APPEND_NEW) && db_idx >= 0 && in_left) |
7 | 3008 buf->b_ml.ml_flags |= ML_LOCKED_POS; |
3009 mf_put(mfp, hp_new, TRUE, FALSE); | |
3010 | |
3011 /* | |
3012 * flush the old data block | |
3013 * set ml_locked_lineadd to 0, because the updating of the | |
3014 * pointer blocks is done below | |
3015 */ | |
3016 lineadd = buf->b_ml.ml_locked_lineadd; | |
3017 buf->b_ml.ml_locked_lineadd = 0; | |
18800
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diff
changeset
|
3018 ml_find_line(buf, (linenr_T)0, ML_FLUSH); // flush data block |
7 | 3019 |
3020 /* | |
3021 * update pointer blocks for the new data block | |
3022 */ | |
3023 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0; | |
3024 --stack_idx) | |
3025 { | |
3026 ip = &(buf->b_ml.ml_stack[stack_idx]); | |
3027 pb_idx = ip->ip_index; | |
3028 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL) | |
15294
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|
3029 goto theend; |
18800
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diff
changeset
|
3030 pp = (PTR_BL *)(hp->bh_data); // must be pointer block |
7 | 3031 if (pp->pb_id != PTR_ID) |
3032 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
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diff
changeset
|
3033 iemsg(_("E317: pointer block id wrong 3")); |
7 | 3034 mf_put(mfp, hp, FALSE, FALSE); |
15294
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|
3035 goto theend; |
7 | 3036 } |
3037 /* | |
3038 * TODO: If the pointer block is full and we are adding at the end | |
3039 * try to insert in front of the next block | |
3040 */ | |
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diff
changeset
|
3041 // block not full, add one entry |
7 | 3042 if (pp->pb_count < pp->pb_count_max) |
3043 { | |
3044 if (pb_idx + 1 < (int)pp->pb_count) | |
3045 mch_memmove(&pp->pb_pointer[pb_idx + 2], | |
3046 &pp->pb_pointer[pb_idx + 1], | |
3047 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN)); | |
3048 ++pp->pb_count; | |
3049 pp->pb_pointer[pb_idx].pe_line_count = line_count_left; | |
3050 pp->pb_pointer[pb_idx].pe_bnum = bnum_left; | |
3051 pp->pb_pointer[pb_idx].pe_page_count = page_count_left; | |
3052 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right; | |
3053 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right; | |
3054 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right; | |
3055 | |
3056 if (lnum_left != 0) | |
3057 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left; | |
3058 if (lnum_right != 0) | |
3059 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right; | |
3060 | |
3061 mf_put(mfp, hp, TRUE, FALSE); | |
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diff
changeset
|
3062 buf->b_ml.ml_stack_top = stack_idx + 1; // truncate stack |
7 | 3063 |
3064 if (lineadd) | |
3065 { | |
3066 --(buf->b_ml.ml_stack_top); | |
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changeset
|
3067 // fix line count for rest of blocks in the stack |
7 | 3068 ml_lineadd(buf, lineadd); |
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changeset
|
3069 // fix stack itself |
7 | 3070 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high += |
3071 lineadd; | |
3072 ++(buf->b_ml.ml_stack_top); | |
3073 } | |
3074 | |
3075 /* | |
3076 * We are finished, break the loop here. | |
3077 */ | |
3078 break; | |
3079 } | |
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changeset
|
3080 else // pointer block full |
7 | 3081 { |
3082 /* | |
3083 * split the pointer block | |
3084 * allocate a new pointer block | |
3085 * move some of the pointer into the new block | |
3086 * prepare for updating the parent block | |
3087 */ | |
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changeset
|
3088 for (;;) // do this twice when splitting block 1 |
7 | 3089 { |
3090 hp_new = ml_new_ptr(mfp); | |
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|
3091 if (hp_new == NULL) // TODO: try to fix tree |
15294
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diff
changeset
|
3092 goto theend; |
7 | 3093 pp_new = (PTR_BL *)(hp_new->bh_data); |
3094 | |
3095 if (hp->bh_bnum != 1) | |
3096 break; | |
3097 | |
3098 /* | |
3099 * if block 1 becomes full the tree is given an extra level | |
3100 * The pointers from block 1 are moved into the new block. | |
3101 * block 1 is updated to point to the new block | |
3102 * then continue to split the new block | |
3103 */ | |
3104 mch_memmove(pp_new, pp, (size_t)page_size); | |
3105 pp->pb_count = 1; | |
3106 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum; | |
3107 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count; | |
3108 pp->pb_pointer[0].pe_old_lnum = 1; | |
3109 pp->pb_pointer[0].pe_page_count = 1; | |
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changeset
|
3110 mf_put(mfp, hp, TRUE, FALSE); // release block 1 |
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diff
changeset
|
3111 hp = hp_new; // new block is to be split |
7 | 3112 pp = pp_new; |
3113 CHECK(stack_idx != 0, _("stack_idx should be 0")); | |
3114 ip->ip_index = 0; | |
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changeset
|
3115 ++stack_idx; // do block 1 again later |
7 | 3116 } |
3117 /* | |
3118 * move the pointers after the current one to the new block | |
3119 * If there are none, the new entry will be in the new block. | |
3120 */ | |
3121 total_moved = pp->pb_count - pb_idx - 1; | |
3122 if (total_moved) | |
3123 { | |
3124 mch_memmove(&pp_new->pb_pointer[0], | |
3125 &pp->pb_pointer[pb_idx + 1], | |
3126 (size_t)(total_moved) * sizeof(PTR_EN)); | |
3127 pp_new->pb_count = total_moved; | |
3128 pp->pb_count -= total_moved - 1; | |
3129 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right; | |
3130 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right; | |
3131 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right; | |
3132 if (lnum_right) | |
3133 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right; | |
3134 } | |
3135 else | |
3136 { | |
3137 pp_new->pb_count = 1; | |
3138 pp_new->pb_pointer[0].pe_bnum = bnum_right; | |
3139 pp_new->pb_pointer[0].pe_line_count = line_count_right; | |
3140 pp_new->pb_pointer[0].pe_page_count = page_count_right; | |
3141 pp_new->pb_pointer[0].pe_old_lnum = lnum_right; | |
3142 } | |
3143 pp->pb_pointer[pb_idx].pe_bnum = bnum_left; | |
3144 pp->pb_pointer[pb_idx].pe_line_count = line_count_left; | |
3145 pp->pb_pointer[pb_idx].pe_page_count = page_count_left; | |
3146 if (lnum_left) | |
3147 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left; | |
3148 lnum_left = 0; | |
3149 lnum_right = 0; | |
3150 | |
3151 /* | |
3152 * recompute line counts | |
3153 */ | |
3154 line_count_right = 0; | |
3155 for (i = 0; i < (int)pp_new->pb_count; ++i) | |
3156 line_count_right += pp_new->pb_pointer[i].pe_line_count; | |
3157 line_count_left = 0; | |
3158 for (i = 0; i < (int)pp->pb_count; ++i) | |
3159 line_count_left += pp->pb_pointer[i].pe_line_count; | |
3160 | |
3161 bnum_left = hp->bh_bnum; | |
3162 bnum_right = hp_new->bh_bnum; | |
3163 page_count_left = 1; | |
3164 page_count_right = 1; | |
3165 mf_put(mfp, hp, TRUE, FALSE); | |
3166 mf_put(mfp, hp_new, TRUE, FALSE); | |
3167 } | |
3168 } | |
3169 | |
3170 /* | |
3171 * Safety check: fallen out of for loop? | |
3172 */ | |
3173 if (stack_idx < 0) | |
3174 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
3175 iemsg(_("E318: Updated too many blocks?")); |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3176 buf->b_ml.ml_stack_top = 0; // invalidate stack |
7 | 3177 } |
3178 } | |
3179 | |
3180 #ifdef FEAT_BYTEOFF | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3181 // The line was inserted below 'lnum' |
7 | 3182 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE); |
3183 #endif | |
3184 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3185 if (netbeans_active()) |
7 | 3186 { |
3187 if (STRLEN(line) > 0) | |
835 | 3188 netbeans_inserted(buf, lnum+1, (colnr_T)0, line, (int)STRLEN(line)); |
34 | 3189 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line), |
7 | 3190 (char_u *)"\n", 1); |
3191 } | |
3192 #endif | |
8493
caed4b2d305f
commit https://github.com/vim/vim/commit/509ce2a558e7e0c03242e32e844255af52f1c821
Christian Brabandt <cb@256bit.org>
parents:
8422
diff
changeset
|
3193 #ifdef FEAT_JOB_CHANNEL |
8422
5d2c84be23b5
commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
3194 if (buf->b_write_to_channel) |
5d2c84be23b5
commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
3195 channel_write_new_lines(buf); |
5d2c84be23b5
commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
3196 #endif |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3197 ret = OK; |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3198 |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3199 theend: |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3200 #ifdef FEAT_PROP_POPUP |
15294
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3201 vim_free(tofree); |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3202 #endif |
2d8225cc1315
patch 8.1.0655: when appending a line text property flags are not added
Bram Moolenaar <Bram@vim.org>
parents:
15292
diff
changeset
|
3203 return ret; |
7 | 3204 } |
3205 | |
3206 /* | |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3207 * Flush any pending change and call ml_append_int() |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3208 */ |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3209 static int |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3210 ml_append_flush( |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3211 buf_T *buf, |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3212 linenr_T lnum, // append after this line (can be 0) |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3213 char_u *line, // text of the new line |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3214 colnr_T len, // length of line, including NUL, or 0 |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3215 int flags) // ML_APPEND_ flags |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3216 { |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3217 if (lnum > buf->b_ml.ml_line_count) |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3218 return FAIL; // lnum out of range |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3219 |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3220 if (buf->b_ml.ml_line_lnum != 0) |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3221 // This may also invoke ml_append_int(). |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3222 ml_flush_line(buf); |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3223 |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3224 #ifdef FEAT_EVAL |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3225 // When inserting above recorded changes: flush the changes before changing |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3226 // the text. Then flush the cached line, it may become invalid. |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3227 may_invoke_listeners(buf, lnum + 1, lnum + 1, 1); |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3228 if (buf->b_ml.ml_line_lnum != 0) |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3229 ml_flush_line(buf); |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3230 #endif |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3231 |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3232 return ml_append_int(buf, lnum, line, len, flags); |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3233 } |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3234 |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3235 /* |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3236 * Append a line after lnum (may be 0 to insert a line in front of the file). |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3237 * "line" does not need to be allocated, but can't be another line in a |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3238 * buffer, unlocking may make it invalid. |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3239 * |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3240 * "newfile": TRUE when starting to edit a new file, meaning that pe_old_lnum |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3241 * will be set for recovery |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3242 * Check: The caller of this function should probably also call |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3243 * appended_lines(). |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3244 * |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3245 * return FAIL for failure, OK otherwise |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3246 */ |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3247 int |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3248 ml_append( |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3249 linenr_T lnum, // append after this line (can be 0) |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3250 char_u *line, // text of the new line |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3251 colnr_T len, // length of new line, including NUL, or 0 |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3252 int newfile) // flag, see above |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3253 { |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3254 return ml_append_flags(lnum, line, len, newfile ? ML_APPEND_NEW : 0); |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3255 } |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3256 |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3257 int |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3258 ml_append_flags( |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3259 linenr_T lnum, // append after this line (can be 0) |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3260 char_u *line, // text of the new line |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3261 colnr_T len, // length of new line, including NUL, or 0 |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3262 int flags) // ML_APPEND_ values |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3263 { |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3264 // When starting up, we might still need to create the memfile |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3265 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL) |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3266 return FAIL; |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3267 return ml_append_flush(curbuf, lnum, line, len, flags); |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3268 } |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3269 |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3270 |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3271 #if defined(FEAT_SPELL) || defined(FEAT_QUICKFIX) || defined(PROTO) |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3272 /* |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3273 * Like ml_append() but for an arbitrary buffer. The buffer must already have |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3274 * a memline. |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3275 */ |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3276 int |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3277 ml_append_buf( |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3278 buf_T *buf, |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3279 linenr_T lnum, // append after this line (can be 0) |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3280 char_u *line, // text of the new line |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3281 colnr_T len, // length of new line, including NUL, or 0 |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3282 int newfile) // flag, see above |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3283 { |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3284 if (buf->b_ml.ml_mfp == NULL) |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3285 return FAIL; |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3286 return ml_append_flush(buf, lnum, line, len, newfile ? ML_APPEND_NEW : 0); |
17403
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3287 } |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3288 #endif |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
parents:
17364
diff
changeset
|
3289 |
9b6c0ef29c20
patch 8.1.1700: listener callback called for the wrong buffer
Bram Moolenaar <Bram@vim.org>
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17364
diff
changeset
|
3290 /* |
21337
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
3291 * Replace line "lnum", with buffering, in current buffer. |
7 | 3292 * |
720 | 3293 * If "copy" is TRUE, make a copy of the line, otherwise the line has been |
7 | 3294 * copied to allocated memory already. |
21337
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
3295 * If "copy" is FALSE the "line" may be freed to add text properties! |
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
3296 * Do not use it after calling ml_replace(). |
7 | 3297 * |
3298 * Check: The caller of this function should probably also call | |
3299 * changed_lines(), unless update_screen(NOT_VALID) is used. | |
3300 * | |
3301 * return FAIL for failure, OK otherwise | |
3302 */ | |
3303 int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3304 ml_replace(linenr_T lnum, char_u *line, int copy) |
7 | 3305 { |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3306 colnr_T len = -1; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3307 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3308 if (line != NULL) |
15182
4b2de998ebd6
patch 8.1.0601: a few compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
15142
diff
changeset
|
3309 len = (colnr_T)STRLEN(line); |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3310 return ml_replace_len(lnum, line, len, FALSE, copy); |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3311 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3312 |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3313 /* |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3314 * Replace a line for the current buffer. Like ml_replace() with: |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3315 * "len_arg" is the length of the text, excluding NUL. |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3316 * If "has_props" is TRUE then "line_arg" includes the text properties and |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3317 * "len_arg" includes the NUL of the text. |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3318 */ |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3319 int |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3320 ml_replace_len( |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3321 linenr_T lnum, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3322 char_u *line_arg, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3323 colnr_T len_arg, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3324 int has_props, |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3325 int copy) |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3326 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3327 char_u *line = line_arg; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3328 colnr_T len = len_arg; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3329 |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3330 if (line == NULL) // just checking... |
7 | 3331 return FAIL; |
3332 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3333 // When starting up, we might still need to create the memfile |
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2360
diff
changeset
|
3334 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL) |
7 | 3335 return FAIL; |
3336 | |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3337 if (!has_props) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3338 ++len; // include the NUL after the text |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3339 if (copy) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3340 { |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3341 // copy the line to allocated memory |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3342 #ifdef FEAT_PROP_POPUP |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3343 if (has_props) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3344 line = vim_memsave(line, len); |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3345 else |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3346 #endif |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3347 line = vim_strnsave(line, len - 1); |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3348 if (line == NULL) |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3349 return FAIL; |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3350 } |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3351 |
7 | 3352 #ifdef FEAT_NETBEANS_INTG |
2210 | 3353 if (netbeans_active()) |
7 | 3354 { |
3355 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum))); | |
835 | 3356 netbeans_inserted(curbuf, lnum, 0, line, (int)STRLEN(line)); |
7 | 3357 } |
3358 #endif | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3359 if (curbuf->b_ml.ml_line_lnum != lnum) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3360 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3361 // another line is buffered, flush it |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3362 ml_flush_line(curbuf); |
15142
7713ceb8c593
patch 8.1.0581: double free without the text properties feature
Bram Moolenaar <Bram@vim.org>
parents:
15138
diff
changeset
|
3363 curbuf->b_ml.ml_flags &= ~ML_LINE_DIRTY; |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3364 |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3365 #ifdef FEAT_PROP_POPUP |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3366 if (curbuf->b_has_textprop && !has_props) |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3367 // Need to fetch the old line to copy over any text properties. |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3368 ml_get_buf(curbuf, lnum, TRUE); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3369 #endif |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3370 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3371 |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3372 #ifdef FEAT_PROP_POPUP |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3373 if (curbuf->b_has_textprop && !has_props) |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3374 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3375 size_t oldtextlen = STRLEN(curbuf->b_ml.ml_line_ptr) + 1; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3376 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3377 if (oldtextlen < (size_t)curbuf->b_ml.ml_line_len) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3378 { |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3379 char_u *newline; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3380 size_t textproplen = curbuf->b_ml.ml_line_len - oldtextlen; |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3381 |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3382 // Need to copy over text properties, stored after the text. |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3383 newline = alloc(len + (int)textproplen); |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3384 if (newline != NULL) |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3385 { |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3386 mch_memmove(newline, line, len); |
16684
1c2d9f67d98f
patch 8.1.1344: Coverity complains about possibly using a NULL pointer
Bram Moolenaar <Bram@vim.org>
parents:
16666
diff
changeset
|
3387 mch_memmove(newline + len, curbuf->b_ml.ml_line_ptr |
1c2d9f67d98f
patch 8.1.1344: Coverity complains about possibly using a NULL pointer
Bram Moolenaar <Bram@vim.org>
parents:
16666
diff
changeset
|
3388 + oldtextlen, textproplen); |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3389 vim_free(line); |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3390 line = newline; |
15182
4b2de998ebd6
patch 8.1.0601: a few compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
15142
diff
changeset
|
3391 len += (colnr_T)textproplen; |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3392 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3393 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3394 } |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3395 #endif |
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3396 |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3397 if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) // same line allocated |
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3398 vim_free(curbuf->b_ml.ml_line_ptr); // free it |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3399 |
7 | 3400 curbuf->b_ml.ml_line_ptr = line; |
15361
58b125df3e9b
patch 8.1.0688: text properties are not restored by undo
Bram Moolenaar <Bram@vim.org>
parents:
15353
diff
changeset
|
3401 curbuf->b_ml.ml_line_len = len; |
7 | 3402 curbuf->b_ml.ml_line_lnum = lnum; |
3403 curbuf->b_ml.ml_flags = (curbuf->b_ml.ml_flags | ML_LINE_DIRTY) & ~ML_EMPTY; | |
3404 | |
3405 return OK; | |
3406 } | |
3407 | |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3408 #ifdef FEAT_PROP_POPUP |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3409 /* |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3410 * Adjust text properties in line "lnum" for a deleted line. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3411 * When "above" is true this is the line above the deleted line. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3412 * "del_props" are the properties of the deleted line. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3413 */ |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3414 static void |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3415 adjust_text_props_for_delete( |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3416 buf_T *buf, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3417 linenr_T lnum, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3418 char_u *del_props, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3419 int del_props_len, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3420 int above) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3421 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3422 int did_get_line = FALSE; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3423 int done_del; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3424 int done_this; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3425 textprop_T prop_del; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3426 bhdr_T *hp; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3427 DATA_BL *dp; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3428 int idx; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3429 int line_start; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3430 long line_size; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3431 int this_props_len; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3432 char_u *text; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3433 size_t textlen; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3434 int found; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3435 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3436 for (done_del = 0; done_del < del_props_len; done_del += sizeof(textprop_T)) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3437 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3438 mch_memmove(&prop_del, del_props + done_del, sizeof(textprop_T)); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3439 if ((above && (prop_del.tp_flags & TP_FLAG_CONT_PREV) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3440 && !(prop_del.tp_flags & TP_FLAG_CONT_NEXT)) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3441 || (!above && (prop_del.tp_flags & TP_FLAG_CONT_NEXT) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3442 && !(prop_del.tp_flags & TP_FLAG_CONT_PREV))) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3443 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3444 if (!did_get_line) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3445 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3446 did_get_line = TRUE; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3447 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3448 return; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3449 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3450 dp = (DATA_BL *)(hp->bh_data); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3451 idx = lnum - buf->b_ml.ml_locked_low; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3452 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3453 if (idx == 0) // first line in block, text at the end |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3454 line_size = dp->db_txt_end - line_start; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3455 else |
20583
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3456 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3457 - line_start; |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3458 text = (char_u *)dp + line_start; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3459 textlen = STRLEN(text) + 1; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3460 if ((long)textlen >= line_size) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3461 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3462 if (above) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3463 internal_error("no text property above deleted line"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3464 else |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3465 internal_error("no text property below deleted line"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3466 return; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3467 } |
15353
21580db06cf3
patch 8.1.0684: warnings from 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents:
15294
diff
changeset
|
3468 this_props_len = line_size - (int)textlen; |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3469 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3470 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3471 found = FALSE; |
20583
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3472 for (done_this = 0; done_this < this_props_len; |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3473 done_this += sizeof(textprop_T)) |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3474 { |
20583
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3475 int flag = above ? TP_FLAG_CONT_NEXT |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3476 : TP_FLAG_CONT_PREV; |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3477 textprop_T prop_this; |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3478 |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3479 mch_memmove(&prop_this, text + textlen + done_del, |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3480 sizeof(textprop_T)); |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3481 if ((prop_this.tp_flags & flag) |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3482 && prop_del.tp_id == prop_this.tp_id |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3483 && prop_del.tp_type == prop_this.tp_type) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3484 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3485 found = TRUE; |
20583
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3486 prop_this.tp_flags &= ~flag; |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3487 mch_memmove(text + textlen + done_del, &prop_this, |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3488 sizeof(textprop_T)); |
d067be761cd7
patch 8.2.0845: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
20581
diff
changeset
|
3489 break; |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3490 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3491 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3492 if (!found) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3493 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3494 if (above) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3495 internal_error("text property above deleted line not found"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3496 else |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3497 internal_error("text property below deleted line not found"); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3498 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3499 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3500 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3501 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3502 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3503 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3504 #endif |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3505 |
7 | 3506 /* |
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11158
diff
changeset
|
3507 * Delete line "lnum" in the current buffer. |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3508 * When "flags" has ML_DEL_MESSAGE may give a "No lines in buffer" message. |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3509 * When "flags" has ML_DEL_UNDO this is called from undo. |
7 | 3510 * |
3511 * return FAIL for failure, OK otherwise | |
3512 */ | |
3513 static int | |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3514 ml_delete_int(buf_T *buf, linenr_T lnum, int flags) |
7 | 3515 { |
3516 bhdr_T *hp; | |
3517 memfile_T *mfp; | |
3518 DATA_BL *dp; | |
3519 PTR_BL *pp; | |
3520 infoptr_T *ip; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3521 int count; // number of entries in block |
7 | 3522 int idx; |
3523 int stack_idx; | |
3524 int text_start; | |
3525 int line_start; | |
3526 long line_size; | |
3527 int i; | |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3528 int ret = FAIL; |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3529 #ifdef FEAT_PROP_POPUP |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3530 char_u *textprop_save = NULL; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3531 int textprop_save_len; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3532 #endif |
7 | 3533 |
3534 if (lowest_marked && lowest_marked > lnum) | |
3535 lowest_marked--; | |
3536 | |
3537 /* | |
3538 * If the file becomes empty the last line is replaced by an empty line. | |
3539 */ | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3540 if (buf->b_ml.ml_line_count == 1) // file becomes empty |
7 | 3541 { |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3542 if ((flags & ML_DEL_MESSAGE) |
7 | 3543 #ifdef FEAT_NETBEANS_INTG |
3544 && !netbeansSuppressNoLines | |
3545 #endif | |
3546 ) | |
680 | 3547 set_keep_msg((char_u *)_(no_lines_msg), 0); |
3548 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3549 // FEAT_BYTEOFF already handled in there, don't worry 'bout it below |
7 | 3550 i = ml_replace((linenr_T)1, (char_u *)"", TRUE); |
3551 buf->b_ml.ml_flags |= ML_EMPTY; | |
3552 | |
3553 return i; | |
3554 } | |
3555 | |
3556 /* | |
15292
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3557 * Find the data block containing the line. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3558 * This also fills the stack with the blocks from the root to the data block. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3559 * This also releases any locked block.. |
7 | 3560 */ |
3561 mfp = buf->b_ml.ml_mfp; | |
3562 if (mfp == NULL) | |
3563 return FAIL; | |
3564 | |
3565 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL) | |
3566 return FAIL; | |
3567 | |
3568 dp = (DATA_BL *)(hp->bh_data); | |
18800
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patch 8.1.2388: using old C style comments
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parents:
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diff
changeset
|
3569 // compute line count before the delete |
7 | 3570 count = (long)(buf->b_ml.ml_locked_high) |
3571 - (long)(buf->b_ml.ml_locked_low) + 2; | |
3572 idx = lnum - buf->b_ml.ml_locked_low; | |
3573 | |
3574 --buf->b_ml.ml_line_count; | |
3575 | |
3576 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3577 if (idx == 0) // first line in block, text at the end |
7 | 3578 line_size = dp->db_txt_end - line_start; |
3579 else | |
3580 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start; | |
3581 | |
3582 #ifdef FEAT_NETBEANS_INTG | |
2210 | 3583 if (netbeans_active()) |
34 | 3584 netbeans_removed(buf, lnum, 0, (long)line_size); |
7 | 3585 #endif |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3586 #ifdef FEAT_PROP_POPUP |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3587 // If there are text properties, make a copy, so that we can update |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3588 // properties in preceding and following lines. |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
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parents:
19396
diff
changeset
|
3589 if (buf->b_has_textprop && !(flags & ML_DEL_UNDO)) |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3590 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3591 size_t textlen = STRLEN((char_u *)dp + line_start) + 1; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3592 |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3593 if ((long)textlen < line_size) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3594 { |
15353
21580db06cf3
patch 8.1.0684: warnings from 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents:
15294
diff
changeset
|
3595 textprop_save_len = line_size - (int)textlen; |
15292
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3596 textprop_save = vim_memsave((char_u *)dp + line_start + textlen, |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3597 textprop_save_len); |
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3598 } |
ba6f0f1bb9d0
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diff
changeset
|
3599 } |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3600 #endif |
7 | 3601 |
3602 /* | |
3603 * special case: If there is only one line in the data block it becomes empty. | |
3604 * Then we have to remove the entry, pointing to this data block, from the | |
3605 * pointer block. If this pointer block also becomes empty, we go up another | |
3606 * block, and so on, up to the root if necessary. | |
3607 * The line counts in the pointer blocks have already been adjusted by | |
3608 * ml_find_line(). | |
3609 */ | |
3610 if (count == 1) | |
3611 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3612 mf_free(mfp, hp); // free the data block |
7 | 3613 buf->b_ml.ml_locked = NULL; |
3614 | |
2823 | 3615 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0; |
3616 --stack_idx) | |
7 | 3617 { |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3618 buf->b_ml.ml_stack_top = 0; // stack is invalid when failing |
7 | 3619 ip = &(buf->b_ml.ml_stack[stack_idx]); |
3620 idx = ip->ip_index; | |
3621 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL) | |
15292
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3622 goto theend; |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3623 pp = (PTR_BL *)(hp->bh_data); // must be pointer block |
7 | 3624 if (pp->pb_id != PTR_ID) |
3625 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
3626 iemsg(_("E317: pointer block id wrong 4")); |
7 | 3627 mf_put(mfp, hp, FALSE, FALSE); |
15292
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3628 goto theend; |
7 | 3629 } |
3630 count = --(pp->pb_count); | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3631 if (count == 0) // the pointer block becomes empty! |
7 | 3632 mf_free(mfp, hp); |
3633 else | |
3634 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3635 if (count != idx) // move entries after the deleted one |
7 | 3636 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1], |
3637 (size_t)(count - idx) * sizeof(PTR_EN)); | |
3638 mf_put(mfp, hp, TRUE, FALSE); | |
3639 | |
18800
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diff
changeset
|
3640 buf->b_ml.ml_stack_top = stack_idx; // truncate stack |
f41b55f9357c
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3641 // fix line count for rest of blocks in the stack |
1167 | 3642 if (buf->b_ml.ml_locked_lineadd != 0) |
7 | 3643 { |
3644 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd); | |
3645 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high += | |
1167 | 3646 buf->b_ml.ml_locked_lineadd; |
7 | 3647 } |
3648 ++(buf->b_ml.ml_stack_top); | |
3649 | |
3650 break; | |
3651 } | |
3652 } | |
3653 CHECK(stack_idx < 0, _("deleted block 1?")); | |
3654 } | |
3655 else | |
3656 { | |
3657 /* | |
3658 * delete the text by moving the next lines forwards | |
3659 */ | |
3660 text_start = dp->db_txt_start; | |
3661 mch_memmove((char *)dp + text_start + line_size, | |
3662 (char *)dp + text_start, (size_t)(line_start - text_start)); | |
3663 | |
3664 /* | |
3665 * delete the index by moving the next indexes backwards | |
3666 * Adjust the indexes for the text movement. | |
3667 */ | |
3668 for (i = idx; i < count - 1; ++i) | |
3669 dp->db_index[i] = dp->db_index[i + 1] + line_size; | |
3670 | |
3671 dp->db_free += line_size + INDEX_SIZE; | |
3672 dp->db_txt_start += line_size; | |
3673 --(dp->db_line_count); | |
3674 | |
3675 /* | |
3676 * mark the block dirty and make sure it is in the file (for recovery) | |
3677 */ | |
3678 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
3679 } | |
3680 | |
3681 #ifdef FEAT_BYTEOFF | |
3682 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE); | |
3683 #endif | |
15292
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3684 ret = OK; |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3685 |
ba6f0f1bb9d0
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3686 theend: |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3687 #ifdef FEAT_PROP_POPUP |
15292
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patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3688 if (textprop_save != NULL) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3689 { |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3690 // Adjust text properties in the line above and below. |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3691 if (lnum > 1) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3692 adjust_text_props_for_delete(buf, lnum - 1, textprop_save, textprop_save_len, TRUE); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3693 if (lnum <= buf->b_ml.ml_line_count) |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3694 adjust_text_props_for_delete(buf, lnum, textprop_save, textprop_save_len, FALSE); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3695 } |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3696 vim_free(textprop_save); |
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3697 #endif |
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Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3698 return ret; |
7 | 3699 } |
3700 | |
3701 /* | |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3702 * Delete line "lnum" in the current buffer. |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3703 * When "message" is TRUE may give a "No lines in buffer" message. |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3704 * |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3705 * Check: The caller of this function should probably also call |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3706 * deleted_lines() after this. |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3707 * |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3708 * return FAIL for failure, OK otherwise |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3709 */ |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3710 int |
20599
d571231175b4
patch 8.2.0853: ml_delete() often called with FALSE argument
Bram Moolenaar <Bram@vim.org>
parents:
20583
diff
changeset
|
3711 ml_delete(linenr_T lnum) |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3712 { |
20599
d571231175b4
patch 8.2.0853: ml_delete() often called with FALSE argument
Bram Moolenaar <Bram@vim.org>
parents:
20583
diff
changeset
|
3713 return ml_delete_flags(lnum, 0); |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3714 } |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
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diff
changeset
|
3715 |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
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diff
changeset
|
3716 /* |
e529690f27bc
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3717 * Like ml_delete() but using flags (see ml_delete_int()). |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
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|
3718 */ |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3719 int |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3720 ml_delete_flags(linenr_T lnum, int flags) |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
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|
3721 { |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
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diff
changeset
|
3722 ml_flush_line(curbuf); |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3723 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3724 return FAIL; |
e529690f27bc
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diff
changeset
|
3725 |
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patch 8.2.0844: text properties crossing lines not handled correctly
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diff
changeset
|
3726 #ifdef FEAT_EVAL |
e529690f27bc
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diff
changeset
|
3727 // When inserting above recorded changes: flush the changes before changing |
e529690f27bc
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diff
changeset
|
3728 // the text. |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3729 may_invoke_listeners(curbuf, lnum, lnum + 1, -1); |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
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diff
changeset
|
3730 #endif |
e529690f27bc
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changeset
|
3731 |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
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diff
changeset
|
3732 return ml_delete_int(curbuf, lnum, flags); |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
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changeset
|
3733 } |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
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changeset
|
3734 |
e529690f27bc
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changeset
|
3735 /* |
15292
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changeset
|
3736 * set the DB_MARKED flag for line 'lnum' |
7 | 3737 */ |
3738 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3739 ml_setmarked(linenr_T lnum) |
7 | 3740 { |
3741 bhdr_T *hp; | |
3742 DATA_BL *dp; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
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diff
changeset
|
3743 // invalid line number |
7 | 3744 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count |
3745 || curbuf->b_ml.ml_mfp == NULL) | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
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18763
diff
changeset
|
3746 return; // give error message? |
7 | 3747 |
3748 if (lowest_marked == 0 || lowest_marked > lnum) | |
3749 lowest_marked = lnum; | |
3750 | |
3751 /* | |
3752 * find the data block containing the line | |
3753 * This also fills the stack with the blocks from the root to the data block | |
3754 * This also releases any locked block. | |
3755 */ | |
3756 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL) | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3757 return; // give error message? |
7 | 3758 |
3759 dp = (DATA_BL *)(hp->bh_data); | |
3760 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED; | |
3761 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
3762 } | |
3763 | |
3764 /* | |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
parents:
15269
diff
changeset
|
3765 * find the first line with its DB_MARKED flag set |
7 | 3766 */ |
3767 linenr_T | |
7827
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3768 ml_firstmarked(void) |
7 | 3769 { |
3770 bhdr_T *hp; | |
3771 DATA_BL *dp; | |
3772 linenr_T lnum; | |
3773 int i; | |
3774 | |
3775 if (curbuf->b_ml.ml_mfp == NULL) | |
3776 return (linenr_T) 0; | |
3777 | |
3778 /* | |
3779 * The search starts with lowest_marked line. This is the last line where | |
3780 * a mark was found, adjusted by inserting/deleting lines. | |
3781 */ | |
3782 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; ) | |
3783 { | |
3784 /* | |
3785 * Find the data block containing the line. | |
3786 * This also fills the stack with the blocks from the root to the data | |
3787 * block This also releases any locked block. | |
3788 */ | |
3789 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL) | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
3790 return (linenr_T)0; // give error message? |
7 | 3791 |
3792 dp = (DATA_BL *)(hp->bh_data); | |
3793 | |
3794 for (i = lnum - curbuf->b_ml.ml_locked_low; | |
3795 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum) | |
3796 if ((dp->db_index[i]) & DB_MARKED) | |
3797 { | |
3798 (dp->db_index[i]) &= DB_INDEX_MASK; | |
3799 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
3800 lowest_marked = lnum + 1; | |
3801 return lnum; | |
3802 } | |
3803 } | |
3804 | |
3805 return (linenr_T) 0; | |
3806 } | |
3807 | |
3808 /* | |
3809 * clear all DB_MARKED flags | |
3810 */ | |
3811 void | |
7827
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3812 ml_clearmarked(void) |
7 | 3813 { |
3814 bhdr_T *hp; | |
3815 DATA_BL *dp; | |
3816 linenr_T lnum; | |
3817 int i; | |
3818 | |
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parents:
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diff
changeset
|
3819 if (curbuf->b_ml.ml_mfp == NULL) // nothing to do |
7 | 3820 return; |
3821 | |
3822 /* | |
3823 * The search starts with line lowest_marked. | |
3824 */ | |
3825 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; ) | |
3826 { | |
3827 /* | |
3828 * Find the data block containing the line. | |
3829 * This also fills the stack with the blocks from the root to the data | |
3830 * block and releases any locked block. | |
3831 */ | |
3832 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL) | |
18800
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patch 8.1.2388: using old C style comments
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18763
diff
changeset
|
3833 return; // give error message? |
7 | 3834 |
3835 dp = (DATA_BL *)(hp->bh_data); | |
3836 | |
3837 for (i = lnum - curbuf->b_ml.ml_locked_low; | |
3838 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum) | |
3839 if ((dp->db_index[i]) & DB_MARKED) | |
3840 { | |
3841 (dp->db_index[i]) &= DB_INDEX_MASK; | |
3842 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY; | |
3843 } | |
3844 } | |
3845 | |
3846 lowest_marked = 0; | |
3847 return; | |
3848 } | |
3849 | |
3850 /* | |
3851 * flush ml_line if necessary | |
3852 */ | |
3853 static void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3854 ml_flush_line(buf_T *buf) |
7 | 3855 { |
3856 bhdr_T *hp; | |
3857 DATA_BL *dp; | |
3858 linenr_T lnum; | |
3859 char_u *new_line; | |
3860 char_u *old_line; | |
3861 colnr_T new_len; | |
3862 int old_len; | |
3863 int extra; | |
3864 int idx; | |
3865 int start; | |
3866 int count; | |
3867 int i; | |
2075
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diff
changeset
|
3868 static int entered = FALSE; |
7 | 3869 |
3870 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL) | |
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diff
changeset
|
3871 return; // nothing to do |
7 | 3872 |
3873 if (buf->b_ml.ml_flags & ML_LINE_DIRTY) | |
3874 { | |
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parents:
18763
diff
changeset
|
3875 // This code doesn't work recursively, but Netbeans may call back here |
f41b55f9357c
patch 8.1.2388: using old C style comments
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diff
changeset
|
3876 // when obtaining the cursor position. |
2075
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diff
changeset
|
3877 if (entered) |
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diff
changeset
|
3878 return; |
903fcd726d90
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diff
changeset
|
3879 entered = TRUE; |
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diff
changeset
|
3880 |
7 | 3881 lnum = buf->b_ml.ml_line_lnum; |
3882 new_line = buf->b_ml.ml_line_ptr; | |
3883 | |
3884 hp = ml_find_line(buf, lnum, ML_FIND); | |
3885 if (hp == NULL) | |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
3886 siemsg(_("E320: Cannot find line %ld"), lnum); |
7 | 3887 else |
3888 { | |
3889 dp = (DATA_BL *)(hp->bh_data); | |
3890 idx = lnum - buf->b_ml.ml_locked_low; | |
3891 start = ((dp->db_index[idx]) & DB_INDEX_MASK); | |
3892 old_line = (char_u *)dp + start; | |
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diff
changeset
|
3893 if (idx == 0) // line is last in block |
7 | 3894 old_len = dp->db_txt_end - start; |
18800
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diff
changeset
|
3895 else // text of previous line follows |
7 | 3896 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start; |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
3897 new_len = buf->b_ml.ml_line_len; |
18800
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diff
changeset
|
3898 extra = new_len - old_len; // negative if lines gets smaller |
7 | 3899 |
3900 /* | |
3901 * if new line fits in data block, replace directly | |
3902 */ | |
3903 if ((int)dp->db_free >= extra) | |
3904 { | |
18800
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parents:
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diff
changeset
|
3905 // if the length changes and there are following lines |
7 | 3906 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1; |
3907 if (extra != 0 && idx < count - 1) | |
3908 { | |
18800
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diff
changeset
|
3909 // move text of following lines |
7 | 3910 mch_memmove((char *)dp + dp->db_txt_start - extra, |
3911 (char *)dp + dp->db_txt_start, | |
3912 (size_t)(start - dp->db_txt_start)); | |
3913 | |
18800
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diff
changeset
|
3914 // adjust pointers of this and following lines |
7 | 3915 for (i = idx + 1; i < count; ++i) |
3916 dp->db_index[i] -= extra; | |
3917 } | |
3918 dp->db_index[idx] -= extra; | |
3919 | |
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diff
changeset
|
3920 // adjust free space |
7 | 3921 dp->db_free -= extra; |
3922 dp->db_txt_start -= extra; | |
3923 | |
18800
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diff
changeset
|
3924 // copy new line into the data block |
7 | 3925 mch_memmove(old_line - extra, new_line, (size_t)new_len); |
3926 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
3927 #ifdef FEAT_BYTEOFF | |
18800
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parents:
18763
diff
changeset
|
3928 // The else case is already covered by the insert and delete |
7 | 3929 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE); |
3930 #endif | |
3931 } | |
3932 else | |
3933 { | |
3934 /* | |
3935 * Cannot do it in one data block: Delete and append. | |
3936 * Append first, because ml_delete_int() cannot delete the | |
3937 * last line in a buffer, which causes trouble for a buffer | |
3938 * that has only one line. | |
3939 * Don't forget to copy the mark! | |
3940 */ | |
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diff
changeset
|
3941 // How about handling errors??? |
20581
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3942 (void)ml_append_int(buf, lnum, new_line, new_len, |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3943 (dp->db_index[idx] & DB_MARKED) ? ML_APPEND_MARK : 0); |
e529690f27bc
patch 8.2.0844: text properties crossing lines not handled correctly
Bram Moolenaar <Bram@vim.org>
parents:
19396
diff
changeset
|
3944 (void)ml_delete_int(buf, lnum, 0); |
7 | 3945 } |
3946 } | |
3947 vim_free(new_line); | |
2075
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2003
diff
changeset
|
3948 |
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2003
diff
changeset
|
3949 entered = FALSE; |
7 | 3950 } |
3951 | |
3952 buf->b_ml.ml_line_lnum = 0; | |
3953 } | |
3954 | |
3955 /* | |
3956 * create a new, empty, data block | |
3957 */ | |
3958 static bhdr_T * | |
7827
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3959 ml_new_data(memfile_T *mfp, int negative, int page_count) |
7 | 3960 { |
3961 bhdr_T *hp; | |
3962 DATA_BL *dp; | |
3963 | |
3964 if ((hp = mf_new(mfp, negative, page_count)) == NULL) | |
3965 return NULL; | |
3966 | |
3967 dp = (DATA_BL *)(hp->bh_data); | |
3968 dp->db_id = DATA_ID; | |
3969 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size; | |
3970 dp->db_free = dp->db_txt_start - HEADER_SIZE; | |
3971 dp->db_line_count = 0; | |
3972 | |
3973 return hp; | |
3974 } | |
3975 | |
3976 /* | |
3977 * create a new, empty, pointer block | |
3978 */ | |
3979 static bhdr_T * | |
7827
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3980 ml_new_ptr(memfile_T *mfp) |
7 | 3981 { |
3982 bhdr_T *hp; | |
3983 PTR_BL *pp; | |
3984 | |
3985 if ((hp = mf_new(mfp, FALSE, 1)) == NULL) | |
3986 return NULL; | |
3987 | |
3988 pp = (PTR_BL *)(hp->bh_data); | |
3989 pp->pb_id = PTR_ID; | |
3990 pp->pb_count = 0; | |
2240
6b4879aea261
Add test for gettabvar() and settabvar().
Bram Moolenaar <bram@vim.org>
parents:
2221
diff
changeset
|
3991 pp->pb_count_max = (short_u)((mfp->mf_page_size - sizeof(PTR_BL)) |
6b4879aea261
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Bram Moolenaar <bram@vim.org>
parents:
2221
diff
changeset
|
3992 / sizeof(PTR_EN) + 1); |
7 | 3993 |
3994 return hp; | |
3995 } | |
3996 | |
3997 /* | |
15292
ba6f0f1bb9d0
patch 8.1.0654: when deleting a line text property flags are not adjusted
Bram Moolenaar <Bram@vim.org>
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15269
diff
changeset
|
3998 * Lookup line 'lnum' in a memline. |
7 | 3999 * |
4000 * action: if ML_DELETE or ML_INSERT the line count is updated while searching | |
4001 * if ML_FLUSH only flush a locked block | |
4002 * if ML_FIND just find the line | |
4003 * | |
4004 * If the block was found it is locked and put in ml_locked. | |
4005 * The stack is updated to lead to the locked block. The ip_high field in | |
4006 * the stack is updated to reflect the last line in the block AFTER the | |
4007 * insert or delete, also if the pointer block has not been updated yet. But | |
1167 | 4008 * if ml_locked != NULL ml_locked_lineadd must be added to ip_high. |
7 | 4009 * |
4010 * return: NULL for failure, pointer to block header otherwise | |
4011 */ | |
4012 static bhdr_T * | |
7827
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4013 ml_find_line(buf_T *buf, linenr_T lnum, int action) |
7 | 4014 { |
4015 DATA_BL *dp; | |
4016 PTR_BL *pp; | |
4017 infoptr_T *ip; | |
4018 bhdr_T *hp; | |
4019 memfile_T *mfp; | |
4020 linenr_T t; | |
4021 blocknr_T bnum, bnum2; | |
4022 int dirty; | |
4023 linenr_T low, high; | |
4024 int top; | |
4025 int page_count; | |
4026 int idx; | |
4027 | |
4028 mfp = buf->b_ml.ml_mfp; | |
4029 | |
4030 /* | |
4031 * If there is a locked block check if the wanted line is in it. | |
4032 * If not, flush and release the locked block. | |
4033 * Don't do this for ML_INSERT_SAME, because the stack need to be updated. | |
4034 * Don't do this for ML_FLUSH, because we want to flush the locked block. | |
1066 | 4035 * Don't do this when 'swapfile' is reset, we want to load all the blocks. |
7 | 4036 */ |
4037 if (buf->b_ml.ml_locked) | |
4038 { | |
1066 | 4039 if (ML_SIMPLE(action) |
4040 && buf->b_ml.ml_locked_low <= lnum | |
4041 && buf->b_ml.ml_locked_high >= lnum | |
4042 && !mf_dont_release) | |
7 | 4043 { |
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diff
changeset
|
4044 // remember to update pointer blocks and stack later |
7 | 4045 if (action == ML_INSERT) |
4046 { | |
4047 ++(buf->b_ml.ml_locked_lineadd); | |
4048 ++(buf->b_ml.ml_locked_high); | |
4049 } | |
4050 else if (action == ML_DELETE) | |
4051 { | |
4052 --(buf->b_ml.ml_locked_lineadd); | |
4053 --(buf->b_ml.ml_locked_high); | |
4054 } | |
4055 return (buf->b_ml.ml_locked); | |
4056 } | |
4057 | |
4058 mf_put(mfp, buf->b_ml.ml_locked, buf->b_ml.ml_flags & ML_LOCKED_DIRTY, | |
4059 buf->b_ml.ml_flags & ML_LOCKED_POS); | |
4060 buf->b_ml.ml_locked = NULL; | |
4061 | |
1167 | 4062 /* |
4063 * If lines have been added or deleted in the locked block, need to | |
4064 * update the line count in pointer blocks. | |
4065 */ | |
4066 if (buf->b_ml.ml_locked_lineadd != 0) | |
7 | 4067 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd); |
4068 } | |
4069 | |
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18763
diff
changeset
|
4070 if (action == ML_FLUSH) // nothing else to do |
7 | 4071 return NULL; |
4072 | |
18800
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18763
diff
changeset
|
4073 bnum = 1; // start at the root of the tree |
7 | 4074 page_count = 1; |
4075 low = 1; | |
4076 high = buf->b_ml.ml_line_count; | |
4077 | |
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18763
diff
changeset
|
4078 if (action == ML_FIND) // first try stack entries |
7 | 4079 { |
4080 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top) | |
4081 { | |
4082 ip = &(buf->b_ml.ml_stack[top]); | |
4083 if (ip->ip_low <= lnum && ip->ip_high >= lnum) | |
4084 { | |
4085 bnum = ip->ip_bnum; | |
4086 low = ip->ip_low; | |
4087 high = ip->ip_high; | |
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diff
changeset
|
4088 buf->b_ml.ml_stack_top = top; // truncate stack at prev entry |
7 | 4089 break; |
4090 } | |
4091 } | |
4092 if (top < 0) | |
18800
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diff
changeset
|
4093 buf->b_ml.ml_stack_top = 0; // not found, start at the root |
7 | 4094 } |
18800
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changeset
|
4095 else // ML_DELETE or ML_INSERT |
f41b55f9357c
patch 8.1.2388: using old C style comments
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parents:
18763
diff
changeset
|
4096 buf->b_ml.ml_stack_top = 0; // start at the root |
7 | 4097 |
4098 /* | |
4099 * search downwards in the tree until a data block is found | |
4100 */ | |
4101 for (;;) | |
4102 { | |
4103 if ((hp = mf_get(mfp, bnum, page_count)) == NULL) | |
4104 goto error_noblock; | |
4105 | |
4106 /* | |
4107 * update high for insert/delete | |
4108 */ | |
4109 if (action == ML_INSERT) | |
4110 ++high; | |
4111 else if (action == ML_DELETE) | |
4112 --high; | |
4113 | |
4114 dp = (DATA_BL *)(hp->bh_data); | |
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diff
changeset
|
4115 if (dp->db_id == DATA_ID) // data block |
7 | 4116 { |
4117 buf->b_ml.ml_locked = hp; | |
4118 buf->b_ml.ml_locked_low = low; | |
4119 buf->b_ml.ml_locked_high = high; | |
4120 buf->b_ml.ml_locked_lineadd = 0; | |
4121 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS); | |
4122 return hp; | |
4123 } | |
4124 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4125 pp = (PTR_BL *)(dp); // must be pointer block |
7 | 4126 if (pp->pb_id != PTR_ID) |
4127 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4128 iemsg(_("E317: pointer block id wrong")); |
7 | 4129 goto error_block; |
4130 } | |
4131 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4132 if ((top = ml_add_stack(buf)) < 0) // add new entry to stack |
7 | 4133 goto error_block; |
4134 ip = &(buf->b_ml.ml_stack[top]); | |
4135 ip->ip_bnum = bnum; | |
4136 ip->ip_low = low; | |
4137 ip->ip_high = high; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4138 ip->ip_index = -1; // index not known yet |
7 | 4139 |
4140 dirty = FALSE; | |
4141 for (idx = 0; idx < (int)pp->pb_count; ++idx) | |
4142 { | |
4143 t = pp->pb_pointer[idx].pe_line_count; | |
4144 CHECK(t == 0, _("pe_line_count is zero")); | |
4145 if ((low += t) > lnum) | |
4146 { | |
4147 ip->ip_index = idx; | |
4148 bnum = pp->pb_pointer[idx].pe_bnum; | |
4149 page_count = pp->pb_pointer[idx].pe_page_count; | |
4150 high = low - 1; | |
4151 low -= t; | |
4152 | |
4153 /* | |
4154 * a negative block number may have been changed | |
4155 */ | |
4156 if (bnum < 0) | |
4157 { | |
4158 bnum2 = mf_trans_del(mfp, bnum); | |
4159 if (bnum != bnum2) | |
4160 { | |
4161 bnum = bnum2; | |
4162 pp->pb_pointer[idx].pe_bnum = bnum; | |
4163 dirty = TRUE; | |
4164 } | |
4165 } | |
4166 | |
4167 break; | |
4168 } | |
4169 } | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4170 if (idx >= (int)pp->pb_count) // past the end: something wrong! |
7 | 4171 { |
4172 if (lnum > buf->b_ml.ml_line_count) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4173 siemsg(_("E322: line number out of range: %ld past the end"), |
7 | 4174 lnum - buf->b_ml.ml_line_count); |
4175 | |
4176 else | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4177 siemsg(_("E323: line count wrong in block %ld"), bnum); |
7 | 4178 goto error_block; |
4179 } | |
4180 if (action == ML_DELETE) | |
4181 { | |
4182 pp->pb_pointer[idx].pe_line_count--; | |
4183 dirty = TRUE; | |
4184 } | |
4185 else if (action == ML_INSERT) | |
4186 { | |
4187 pp->pb_pointer[idx].pe_line_count++; | |
4188 dirty = TRUE; | |
4189 } | |
4190 mf_put(mfp, hp, dirty, FALSE); | |
4191 } | |
4192 | |
4193 error_block: | |
4194 mf_put(mfp, hp, FALSE, FALSE); | |
4195 error_noblock: | |
2267 | 4196 /* |
4197 * If action is ML_DELETE or ML_INSERT we have to correct the tree for | |
4198 * the incremented/decremented line counts, because there won't be a line | |
4199 * inserted/deleted after all. | |
4200 */ | |
7 | 4201 if (action == ML_DELETE) |
4202 ml_lineadd(buf, 1); | |
4203 else if (action == ML_INSERT) | |
4204 ml_lineadd(buf, -1); | |
4205 buf->b_ml.ml_stack_top = 0; | |
4206 return NULL; | |
4207 } | |
4208 | |
4209 /* | |
4210 * add an entry to the info pointer stack | |
4211 * | |
4212 * return -1 for failure, number of the new entry otherwise | |
4213 */ | |
4214 static int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4215 ml_add_stack(buf_T *buf) |
7 | 4216 { |
4217 int top; | |
4218 infoptr_T *newstack; | |
4219 | |
4220 top = buf->b_ml.ml_stack_top; | |
4221 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4222 // may have to increase the stack size |
7 | 4223 if (top == buf->b_ml.ml_stack_size) |
4224 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4225 CHECK(top > 0, _("Stack size increases")); // more than 5 levels??? |
7 | 4226 |
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16786
diff
changeset
|
4227 newstack = ALLOC_MULT(infoptr_T, buf->b_ml.ml_stack_size + STACK_INCR); |
7 | 4228 if (newstack == NULL) |
4229 return -1; | |
6989 | 4230 if (top > 0) |
4231 mch_memmove(newstack, buf->b_ml.ml_stack, | |
1624 | 4232 (size_t)top * sizeof(infoptr_T)); |
7 | 4233 vim_free(buf->b_ml.ml_stack); |
4234 buf->b_ml.ml_stack = newstack; | |
4235 buf->b_ml.ml_stack_size += STACK_INCR; | |
4236 } | |
4237 | |
4238 buf->b_ml.ml_stack_top++; | |
4239 return top; | |
4240 } | |
4241 | |
4242 /* | |
4243 * Update the pointer blocks on the stack for inserted/deleted lines. | |
4244 * The stack itself is also updated. | |
4245 * | |
4246 * When a insert/delete line action fails, the line is not inserted/deleted, | |
4247 * but the pointer blocks have already been updated. That is fixed here by | |
4248 * walking through the stack. | |
4249 * | |
4250 * Count is the number of lines added, negative if lines have been deleted. | |
4251 */ | |
4252 static void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4253 ml_lineadd(buf_T *buf, int count) |
7 | 4254 { |
4255 int idx; | |
4256 infoptr_T *ip; | |
4257 PTR_BL *pp; | |
4258 memfile_T *mfp = buf->b_ml.ml_mfp; | |
4259 bhdr_T *hp; | |
4260 | |
4261 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx) | |
4262 { | |
4263 ip = &(buf->b_ml.ml_stack[idx]); | |
4264 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL) | |
4265 break; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4266 pp = (PTR_BL *)(hp->bh_data); // must be pointer block |
7 | 4267 if (pp->pb_id != PTR_ID) |
4268 { | |
4269 mf_put(mfp, hp, FALSE, FALSE); | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4270 iemsg(_("E317: pointer block id wrong 2")); |
7 | 4271 break; |
4272 } | |
4273 pp->pb_pointer[ip->ip_index].pe_line_count += count; | |
4274 ip->ip_high += count; | |
4275 mf_put(mfp, hp, TRUE, FALSE); | |
4276 } | |
4277 } | |
4278 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4279 #if defined(HAVE_READLINK) || defined(PROTO) |
594 | 4280 /* |
4281 * Resolve a symlink in the last component of a file name. | |
4282 * Note that f_resolve() does it for every part of the path, we don't do that | |
4283 * here. | |
4284 * If it worked returns OK and the resolved link in "buf[MAXPATHL]". | |
4285 * Otherwise returns FAIL. | |
4286 */ | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4287 int |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4288 resolve_symlink(char_u *fname, char_u *buf) |
594 | 4289 { |
4290 char_u tmp[MAXPATHL]; | |
4291 int ret; | |
4292 int depth = 0; | |
4293 | |
4294 if (fname == NULL) | |
4295 return FAIL; | |
4296 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4297 // Put the result so far in tmp[], starting with the original name. |
594 | 4298 vim_strncpy(tmp, fname, MAXPATHL - 1); |
4299 | |
4300 for (;;) | |
4301 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4302 // Limit symlink depth to 100, catch recursive loops. |
594 | 4303 if (++depth == 100) |
4304 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4305 semsg(_("E773: Symlink loop for \"%s\""), fname); |
594 | 4306 return FAIL; |
4307 } | |
4308 | |
4309 ret = readlink((char *)tmp, (char *)buf, MAXPATHL - 1); | |
4310 if (ret <= 0) | |
4311 { | |
619 | 4312 if (errno == EINVAL || errno == ENOENT) |
594 | 4313 { |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4314 // Found non-symlink or not existing file, stop here. |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4315 // When at the first level use the unmodified name, skip the |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4316 // call to vim_FullName(). |
594 | 4317 if (depth == 1) |
4318 return FAIL; | |
4319 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4320 // Use the resolved name in tmp[]. |
594 | 4321 break; |
4322 } | |
4323 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4324 // There must be some error reading links, use original name. |
594 | 4325 return FAIL; |
4326 } | |
4327 buf[ret] = NUL; | |
4328 | |
4329 /* | |
4330 * Check whether the symlink is relative or absolute. | |
4331 * If it's relative, build a new path based on the directory | |
4332 * portion of the filename (if any) and the path the symlink | |
4333 * points to. | |
4334 */ | |
4335 if (mch_isFullName(buf)) | |
4336 STRCPY(tmp, buf); | |
4337 else | |
4338 { | |
4339 char_u *tail; | |
4340 | |
4341 tail = gettail(tmp); | |
4342 if (STRLEN(tail) + STRLEN(buf) >= MAXPATHL) | |
4343 return FAIL; | |
4344 STRCPY(tail, buf); | |
4345 } | |
4346 } | |
4347 | |
4348 /* | |
4349 * Try to resolve the full name of the file so that the swapfile name will | |
4350 * be consistent even when opening a relative symlink from different | |
4351 * working directories. | |
4352 */ | |
4353 return vim_FullName(tmp, buf, MAXPATHL, TRUE); | |
4354 } | |
4355 #endif | |
4356 | |
7 | 4357 /* |
460 | 4358 * Make swap file name out of the file name and a directory name. |
4359 * Returns pointer to allocated memory or NULL. | |
7 | 4360 */ |
460 | 4361 char_u * |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4362 makeswapname( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4363 char_u *fname, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4364 char_u *ffname UNUSED, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4365 buf_T *buf, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4366 char_u *dir_name) |
7 | 4367 { |
4368 char_u *r, *s; | |
2145
de0e7ca61893
updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents:
2108
diff
changeset
|
4369 char_u *fname_res = fname; |
594 | 4370 #ifdef HAVE_READLINK |
4371 char_u fname_buf[MAXPATHL]; | |
21337
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
4372 |
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
4373 // Expand symlink in the file name, so that we put the swap file with the |
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
4374 // actual file instead of with the symlink. |
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
4375 if (resolve_symlink(fname, fname_buf) == OK) |
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
4376 fname_res = fname_buf; |
594 | 4377 #endif |
7 | 4378 |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
4379 #if defined(UNIX) || defined(MSWIN) // Need _very_ long file names |
10996
2f041b367cd9
patch 8.0.0387: compiler warnings
Christian Brabandt <cb@256bit.org>
parents:
10952
diff
changeset
|
4380 int len = (int)STRLEN(dir_name); |
10896
d513b653f5d0
patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents:
10889
diff
changeset
|
4381 |
d513b653f5d0
patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents:
10889
diff
changeset
|
4382 s = dir_name + len; |
d513b653f5d0
patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents:
10889
diff
changeset
|
4383 if (after_pathsep(dir_name, s) && len > 1 && s[-1] == s[-2]) |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4384 { // Ends with '//', Use Full path |
7 | 4385 r = NULL; |
21337
647897e6df9e
patch 8.2.1219: symlink not followed if dirname ends in //
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
4386 if ((s = make_percent_swname(dir_name, fname_res)) != NULL) |
7 | 4387 { |
4388 r = modname(s, (char_u *)".swp", FALSE); | |
4389 vim_free(s); | |
4390 } | |
4391 return r; | |
4392 } | |
4393 #endif | |
4394 | |
4395 r = buf_modname( | |
4396 (buf->b_p_sn || buf->b_shortname), | |
594 | 4397 fname_res, |
7 | 4398 (char_u *) |
2823 | 4399 #if defined(VMS) |
7 | 4400 "_swp", |
4401 #else | |
4402 ".swp", | |
4403 #endif | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4404 // Prepend a '.' to the swap file name for the current directory. |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
4405 dir_name[0] == '.' && dir_name[1] == NUL); |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4406 if (r == NULL) // out of memory |
7 | 4407 return NULL; |
4408 | |
4409 s = get_file_in_dir(r, dir_name); | |
4410 vim_free(r); | |
4411 return s; | |
4412 } | |
4413 | |
4414 /* | |
4415 * Get file name to use for swap file or backup file. | |
4416 * Use the name of the edited file "fname" and an entry in the 'dir' or 'bdir' | |
4417 * option "dname". | |
4418 * - If "dname" is ".", return "fname" (swap file in dir of file). | |
4419 * - If "dname" starts with "./", insert "dname" in "fname" (swap file | |
4420 * relative to dir of file). | |
4421 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific | |
4422 * dir). | |
4423 * | |
4424 * The return value is an allocated string and can be NULL. | |
4425 */ | |
4426 char_u * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4427 get_file_in_dir( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4428 char_u *fname, |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4429 char_u *dname) // don't use "dirname", it is a global for Alpha |
7 | 4430 { |
4431 char_u *t; | |
4432 char_u *tail; | |
4433 char_u *retval; | |
4434 int save_char; | |
4435 | |
4436 tail = gettail(fname); | |
4437 | |
4438 if (dname[0] == '.' && dname[1] == NUL) | |
4439 retval = vim_strsave(fname); | |
4440 else if (dname[0] == '.' && vim_ispathsep(dname[1])) | |
4441 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4442 if (tail == fname) // no path before file name |
7 | 4443 retval = concat_fnames(dname + 2, tail, TRUE); |
4444 else | |
4445 { | |
4446 save_char = *tail; | |
4447 *tail = NUL; | |
4448 t = concat_fnames(fname, dname + 2, TRUE); | |
4449 *tail = save_char; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4450 if (t == NULL) // out of memory |
7 | 4451 retval = NULL; |
4452 else | |
4453 { | |
4454 retval = concat_fnames(t, tail, TRUE); | |
4455 vim_free(t); | |
4456 } | |
4457 } | |
4458 } | |
4459 else | |
4460 retval = concat_fnames(dname, tail, TRUE); | |
4461 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
4462 #ifdef MSWIN |
5432 | 4463 if (retval != NULL) |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10996
diff
changeset
|
4464 for (t = gettail(retval); *t != NUL; MB_PTR_ADV(t)) |
5432 | 4465 if (*t == ':') |
4466 *t = '%'; | |
4467 #endif | |
4468 | |
7 | 4469 return retval; |
4470 } | |
4471 | |
580 | 4472 /* |
4473 * Print the ATTENTION message: info about an existing swap file. | |
4474 */ | |
4475 static void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4476 attention_message( |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4477 buf_T *buf, // buffer being edited |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4478 char_u *fname) // swap file name |
580 | 4479 { |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
4480 stat_T st; |
16621
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
16455
diff
changeset
|
4481 time_t swap_mtime; |
580 | 4482 |
4483 ++no_wait_return; | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
4484 (void)emsg(_("E325: ATTENTION")); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4485 msg_puts(_("\nFound a swap file by the name \"")); |
580 | 4486 msg_home_replace(fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4487 msg_puts("\"\n"); |
16621
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
16455
diff
changeset
|
4488 swap_mtime = swapfile_info(fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4489 msg_puts(_("While opening file \"")); |
580 | 4490 msg_outtrans(buf->b_fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4491 msg_puts("\"\n"); |
14923
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4492 if (mch_stat((char *)buf->b_fname, &st) == -1) |
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4493 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4494 msg_puts(_(" CANNOT BE FOUND")); |
14923
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4495 } |
95400980f7c9
patch 8.1.0473: user doesn't notice file does not exist when swap file does
Bram Moolenaar <Bram@vim.org>
parents:
14909
diff
changeset
|
4496 else |
580 | 4497 { |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4498 msg_puts(_(" dated: ")); |
16621
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
16455
diff
changeset
|
4499 msg_puts(get_ctime(st.st_mtime, TRUE)); |
7ad3fc329e08
patch 8.1.1313: warnings for using localtime() and ctime()
Bram Moolenaar <Bram@vim.org>
parents:
16455
diff
changeset
|
4500 if (swap_mtime != 0 && st.st_mtime > swap_mtime) |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4501 msg_puts(_(" NEWER than swap file!\n")); |
580 | 4502 } |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4503 // Some of these messages are long to allow translation to |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4504 // other languages. |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4505 msg_puts(_("\n(1) Another program may be editing the same file. If this is the case,\n be careful not to end up with two different instances of the same\n file when making changes. Quit, or continue with caution.\n")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4506 msg_puts(_("(2) An edit session for this file crashed.\n")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4507 msg_puts(_(" If this is the case, use \":recover\" or \"vim -r ")); |
580 | 4508 msg_outtrans(buf->b_fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4509 msg_puts(_("\"\n to recover the changes (see \":help recovery\").\n")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4510 msg_puts(_(" If you did this already, delete the swap file \"")); |
580 | 4511 msg_outtrans(fname); |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
4512 msg_puts(_("\"\n to avoid this message.\n")); |
580 | 4513 cmdline_row = msg_row; |
4514 --no_wait_return; | |
4515 } | |
4516 | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
4517 #if defined(FEAT_EVAL) |
580 | 4518 /* |
4519 * Trigger the SwapExists autocommands. | |
4520 * Returns a value for equivalent to do_dialog() (see below): | |
4521 * 0: still need to ask for a choice | |
4522 * 1: open read-only | |
4523 * 2: edit anyway | |
4524 * 3: recover | |
4525 * 4: delete it | |
4526 * 5: quit | |
4527 * 6: abort | |
4528 */ | |
4529 static int | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4530 do_swapexists(buf_T *buf, char_u *fname) |
580 | 4531 { |
4532 set_vim_var_string(VV_SWAPNAME, fname, -1); | |
4533 set_vim_var_string(VV_SWAPCHOICE, NULL, -1); | |
4534 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4535 // Trigger SwapExists autocommands with <afile> set to the file being |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4536 // edited. Disallow changing directory here. |
1856 | 4537 ++allbuf_lock; |
580 | 4538 apply_autocmds(EVENT_SWAPEXISTS, buf->b_fname, NULL, FALSE, NULL); |
1856 | 4539 --allbuf_lock; |
580 | 4540 |
4541 set_vim_var_string(VV_SWAPNAME, NULL, -1); | |
4542 | |
4543 switch (*get_vim_var_str(VV_SWAPCHOICE)) | |
4544 { | |
4545 case 'o': return 1; | |
4546 case 'e': return 2; | |
4547 case 'r': return 3; | |
4548 case 'd': return 4; | |
4549 case 'q': return 5; | |
4550 case 'a': return 6; | |
4551 } | |
4552 | |
4553 return 0; | |
4554 } | |
4555 #endif | |
4556 | |
7 | 4557 /* |
4558 * Find out what name to use for the swap file for buffer 'buf'. | |
4559 * | |
4560 * Several names are tried to find one that does not exist | |
460 | 4561 * Returns the name in allocated memory or NULL. |
3158 | 4562 * When out of memory "dirp" is set to NULL. |
7 | 4563 * |
4564 * Note: If BASENAMELEN is not correct, you will get error messages for | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4565 * not being able to open the swap or undo file |
1856 | 4566 * Note: May trigger SwapExists autocmd, pointers may change! |
7 | 4567 */ |
4568 static char_u * | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4569 findswapname( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
4570 buf_T *buf, |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4571 char_u **dirp, // pointer to list of directories |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4572 char_u *old_fname) // don't give warning for this file name |
7 | 4573 { |
4574 char_u *fname; | |
4575 int n; | |
4576 char_u *dir_name; | |
4577 #ifdef AMIGA | |
4578 BPTR fh; | |
4579 #endif | |
4580 int r; | |
5432 | 4581 char_u *buf_fname = buf->b_fname; |
7 | 4582 |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
4583 #if !defined(UNIX) |
7 | 4584 # define CREATE_DUMMY_FILE |
4585 FILE *dummyfd = NULL; | |
4586 | |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15636
diff
changeset
|
4587 # ifdef MSWIN |
5432 | 4588 if (buf_fname != NULL && !mch_isFullName(buf_fname) |
4589 && vim_strchr(gettail(buf_fname), ':')) | |
4590 { | |
4591 char_u *t; | |
4592 | |
4593 buf_fname = vim_strsave(buf_fname); | |
4594 if (buf_fname == NULL) | |
4595 buf_fname = buf->b_fname; | |
4596 else | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10996
diff
changeset
|
4597 for (t = gettail(buf_fname); *t != NUL; MB_PTR_ADV(t)) |
5432 | 4598 if (*t == ':') |
4599 *t = '%'; | |
4600 } | |
4601 # endif | |
4602 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4603 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4604 * If we start editing a new file, e.g. "test.doc", which resides on an |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4605 * MSDOS compatible filesystem, it is possible that the file |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4606 * "test.doc.swp" which we create will be exactly the same file. To avoid |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4607 * this problem we temporarily create "test.doc". Don't do this when the |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4608 * check below for a 8.3 file name is used. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4609 */ |
5432 | 4610 if (!(buf->b_p_sn || buf->b_shortname) && buf_fname != NULL |
4611 && mch_getperm(buf_fname) < 0) | |
4612 dummyfd = mch_fopen((char *)buf_fname, "w"); | |
7 | 4613 #endif |
4614 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4615 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4616 * Isolate a directory name from *dirp and put it in dir_name. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4617 * First allocate some memory to put the directory name in. |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4618 */ |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16738
diff
changeset
|
4619 dir_name = alloc(STRLEN(*dirp) + 1); |
3158 | 4620 if (dir_name == NULL) |
4621 *dirp = NULL; | |
4622 else | |
7 | 4623 (void)copy_option_part(dirp, dir_name, 31000, ","); |
4624 | |
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4625 /* |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4626 * we try different names until we find one that does not exist yet |
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
4627 */ |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4628 if (dir_name == NULL) // out of memory |
7 | 4629 fname = NULL; |
4630 else | |
5432 | 4631 fname = makeswapname(buf_fname, buf->b_ffname, buf, dir_name); |
7 | 4632 |
4633 for (;;) | |
4634 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4635 if (fname == NULL) // must be out of memory |
7 | 4636 break; |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4637 if ((n = (int)STRLEN(fname)) == 0) // safety check |
7 | 4638 { |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
12975
diff
changeset
|
4639 VIM_CLEAR(fname); |
7 | 4640 break; |
4641 } | |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7961
diff
changeset
|
4642 #if defined(UNIX) |
7 | 4643 /* |
4644 * Some systems have a MS-DOS compatible filesystem that use 8.3 character | |
4645 * file names. If this is the first try and the swap file name does not fit in | |
4646 * 8.3, detect if this is the case, set shortname and try again. | |
4647 */ | |
4648 if (fname[n - 2] == 'w' && fname[n - 1] == 'p' | |
4649 && !(buf->b_p_sn || buf->b_shortname)) | |
4650 { | |
4651 char_u *tail; | |
4652 char_u *fname2; | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
4653 stat_T s1, s2; |
7 | 4654 int f1, f2; |
4655 int created1 = FALSE, created2 = FALSE; | |
4656 int same = FALSE; | |
4657 | |
4658 /* | |
4659 * Check if swapfile name does not fit in 8.3: | |
4660 * It either contains two dots, is longer than 8 chars, or starts | |
4661 * with a dot. | |
4662 */ | |
5432 | 4663 tail = gettail(buf_fname); |
7 | 4664 if ( vim_strchr(tail, '.') != NULL |
4665 || STRLEN(tail) > (size_t)8 | |
4666 || *gettail(fname) == '.') | |
4667 { | |
4668 fname2 = alloc(n + 2); | |
4669 if (fname2 != NULL) | |
4670 { | |
4671 STRCPY(fname2, fname); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4672 // if fname == "xx.xx.swp", fname2 = "xx.xx.swx" |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4673 // if fname == ".xx.swp", fname2 = ".xx.swpx" |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4674 // if fname == "123456789.swp", fname2 = "12345678x.swp" |
7 | 4675 if (vim_strchr(tail, '.') != NULL) |
4676 fname2[n - 1] = 'x'; | |
4677 else if (*gettail(fname) == '.') | |
4678 { | |
4679 fname2[n] = 'x'; | |
4680 fname2[n + 1] = NUL; | |
4681 } | |
4682 else | |
4683 fname2[n - 5] += 1; | |
4684 /* | |
4685 * may need to create the files to be able to use mch_stat() | |
4686 */ | |
4687 f1 = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
4688 if (f1 < 0) | |
4689 { | |
4690 f1 = mch_open_rw((char *)fname, | |
4691 O_RDWR|O_CREAT|O_EXCL|O_EXTRA); | |
4692 created1 = TRUE; | |
4693 } | |
4694 if (f1 >= 0) | |
4695 { | |
4696 f2 = mch_open((char *)fname2, O_RDONLY | O_EXTRA, 0); | |
4697 if (f2 < 0) | |
4698 { | |
4699 f2 = mch_open_rw((char *)fname2, | |
4700 O_RDWR|O_CREAT|O_EXCL|O_EXTRA); | |
4701 created2 = TRUE; | |
4702 } | |
4703 if (f2 >= 0) | |
4704 { | |
4705 /* | |
4706 * Both files exist now. If mch_stat() returns the | |
4707 * same device and inode they are the same file. | |
4708 */ | |
4709 if (mch_fstat(f1, &s1) != -1 | |
4710 && mch_fstat(f2, &s2) != -1 | |
4711 && s1.st_dev == s2.st_dev | |
4712 && s1.st_ino == s2.st_ino) | |
4713 same = TRUE; | |
4714 close(f2); | |
4715 if (created2) | |
4716 mch_remove(fname2); | |
4717 } | |
4718 close(f1); | |
4719 if (created1) | |
4720 mch_remove(fname); | |
4721 } | |
4722 vim_free(fname2); | |
4723 if (same) | |
4724 { | |
4725 buf->b_shortname = TRUE; | |
4726 vim_free(fname); | |
5432 | 4727 fname = makeswapname(buf_fname, buf->b_ffname, |
460 | 4728 buf, dir_name); |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4729 continue; // try again with b_shortname set |
7 | 4730 } |
4731 } | |
4732 } | |
4733 } | |
4734 #endif | |
4735 /* | |
4736 * check if the swapfile already exists | |
4737 */ | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4738 if (mch_getperm(fname) < 0) // it does not exist |
7 | 4739 { |
4740 #ifdef HAVE_LSTAT | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9295
diff
changeset
|
4741 stat_T sb; |
7 | 4742 |
4743 /* | |
4744 * Extra security check: When a swap file is a symbolic link, this | |
4745 * is most likely a symlink attack. | |
4746 */ | |
4747 if (mch_lstat((char *)fname, &sb) < 0) | |
4748 #else | |
4749 # ifdef AMIGA | |
4750 fh = Open((UBYTE *)fname, (long)MODE_NEWFILE); | |
4751 /* | |
4752 * on the Amiga mch_getperm() will return -1 when the file exists | |
4753 * but is being used by another program. This happens if you edit | |
4754 * a file twice. | |
4755 */ | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4756 if (fh != (BPTR)NULL) // can open file, OK |
7 | 4757 { |
4758 Close(fh); | |
4759 mch_remove(fname); | |
4760 break; | |
4761 } | |
4762 if (IoErr() != ERROR_OBJECT_IN_USE | |
4763 && IoErr() != ERROR_OBJECT_EXISTS) | |
4764 # endif | |
4765 #endif | |
4766 break; | |
4767 } | |
4768 | |
4769 /* | |
4770 * A file name equal to old_fname is OK to use. | |
4771 */ | |
4772 if (old_fname != NULL && fnamecmp(fname, old_fname) == 0) | |
4773 break; | |
4774 | |
4775 /* | |
4776 * get here when file already exists | |
4777 */ | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4778 if (fname[n - 2] == 'w' && fname[n - 1] == 'p') // first try |
7 | 4779 { |
4780 /* | |
4781 * on MS-DOS compatible filesystems (e.g. messydos) file.doc.swp | |
4782 * and file.doc are the same file. To guess if this problem is | |
4783 * present try if file.doc.swx exists. If it does, we set | |
4784 * buf->b_shortname and try file_doc.swp (dots replaced by | |
4785 * underscores for this file), and try again. If it doesn't we | |
4786 * assume that "file.doc.swp" already exists. | |
4787 */ | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4788 if (!(buf->b_p_sn || buf->b_shortname)) // not tried yet |
7 | 4789 { |
4790 fname[n - 1] = 'x'; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4791 r = mch_getperm(fname); // try "file.swx" |
7 | 4792 fname[n - 1] = 'p'; |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4793 if (r >= 0) // "file.swx" seems to exist |
7 | 4794 { |
4795 buf->b_shortname = TRUE; | |
4796 vim_free(fname); | |
5432 | 4797 fname = makeswapname(buf_fname, buf->b_ffname, |
460 | 4798 buf, dir_name); |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4799 continue; // try again with '.' replaced with '_' |
7 | 4800 } |
4801 } | |
4802 /* | |
4803 * If we get here the ".swp" file really exists. | |
4804 * Give an error message, unless recovering, no file name, we are | |
4805 * viewing a help file or when the path of the file is different | |
4806 * (happens when all .swp files are in one directory). | |
4807 */ | |
5432 | 4808 if (!recoverymode && buf_fname != NULL |
17632
5278e5a2a4e3
patch 8.1.1813: ATTENTION prompt for a preview popup window
Bram Moolenaar <Bram@vim.org>
parents:
17454
diff
changeset
|
4809 && !buf->b_help |
5278e5a2a4e3
patch 8.1.1813: ATTENTION prompt for a preview popup window
Bram Moolenaar <Bram@vim.org>
parents:
17454
diff
changeset
|
4810 && !(buf->b_flags & (BF_DUMMY | BF_NO_SEA))) |
7 | 4811 { |
4812 int fd; | |
4813 struct block0 b0; | |
4814 int differ = FALSE; | |
4815 | |
4816 /* | |
4817 * Try to read block 0 from the swap file to get the original | |
4818 * file name (and inode number). | |
4819 */ | |
4820 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); | |
4821 if (fd >= 0) | |
4822 { | |
2664 | 4823 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) |
7 | 4824 { |
4825 /* | |
39 | 4826 * If the swapfile has the same directory as the |
4827 * buffer don't compare the directory names, they can | |
4828 * have a different mountpoint. | |
7 | 4829 */ |
39 | 4830 if (b0.b0_flags & B0_SAME_DIR) |
4831 { | |
4832 if (fnamecmp(gettail(buf->b_ffname), | |
4833 gettail(b0.b0_fname)) != 0 | |
4834 || !same_directory(fname, buf->b_ffname)) | |
594 | 4835 { |
4836 #ifdef CHECK_INODE | |
18800
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patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4837 // Symlinks may point to the same file even |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4838 // when the name differs, need to check the |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4839 // inode too. |
594 | 4840 expand_env(b0.b0_fname, NameBuff, MAXPATHL); |
4841 if (fnamecmp_ino(buf->b_ffname, NameBuff, | |
4842 char_to_long(b0.b0_ino))) | |
4843 #endif | |
4844 differ = TRUE; | |
4845 } | |
39 | 4846 } |
4847 else | |
4848 { | |
4849 /* | |
4850 * The name in the swap file may be | |
4851 * "~user/path/file". Expand it first. | |
4852 */ | |
4853 expand_env(b0.b0_fname, NameBuff, MAXPATHL); | |
7 | 4854 #ifdef CHECK_INODE |
39 | 4855 if (fnamecmp_ino(buf->b_ffname, NameBuff, |
594 | 4856 char_to_long(b0.b0_ino))) |
39 | 4857 differ = TRUE; |
7 | 4858 #else |
39 | 4859 if (fnamecmp(NameBuff, buf->b_ffname) != 0) |
4860 differ = TRUE; | |
7 | 4861 #endif |
39 | 4862 } |
7 | 4863 } |
4864 close(fd); | |
4865 } | |
4866 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4867 // give the ATTENTION message when there is an old swap file |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4868 // for the current file, and the buffer was not recovered. |
7 | 4869 if (differ == FALSE && !(curbuf->b_flags & BF_RECOVERED) |
4870 && vim_strchr(p_shm, SHM_ATTENTION) == NULL) | |
4871 { | |
580 | 4872 int choice = 0; |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4873 stat_T st; |
7 | 4874 #ifdef CREATE_DUMMY_FILE |
4875 int did_use_dummy = FALSE; | |
4876 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4877 // Avoid getting a warning for the file being created |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4878 // outside of Vim, it was created at the start of this |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4879 // function. Delete the file now, because Vim might exit |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4880 // here if the window is closed. |
7 | 4881 if (dummyfd != NULL) |
4882 { | |
4883 fclose(dummyfd); | |
4884 dummyfd = NULL; | |
5432 | 4885 mch_remove(buf_fname); |
7 | 4886 did_use_dummy = TRUE; |
4887 } | |
4888 #endif | |
4889 | |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4890 #ifdef HAVE_PROCESS_STILL_RUNNING |
7 | 4891 process_still_running = FALSE; |
4892 #endif | |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4893 // It's safe to delete the swap file if all these are true: |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4894 // - the edited file exists |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4895 // - the swap file has no changes and looks OK |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4896 if (mch_stat((char *)buf->b_fname, &st) == 0 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4897 && swapfile_unchanged(fname)) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4898 { |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4899 choice = 4; |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4900 if (p_verbose > 0) |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4901 verb_msg(_("Found a swap file that is not useful, deleting it")); |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4902 } |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4903 |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13244
diff
changeset
|
4904 #if defined(FEAT_EVAL) |
580 | 4905 /* |
4906 * If there is an SwapExists autocommand and we can handle | |
4907 * the response, trigger it. It may return 0 to ask the | |
4908 * user anyway. | |
4909 */ | |
16453
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4910 if (choice == 0 |
4e9bea9b8025
patch 8.1.1231: asking about existing swap file unnecessarily
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
4911 && swap_exists_action != SEA_NONE |
5432 | 4912 && has_autocmd(EVENT_SWAPEXISTS, buf_fname, buf)) |
580 | 4913 choice = do_swapexists(buf, fname); |
4914 | |
4915 if (choice == 0) | |
4916 #endif | |
7 | 4917 { |
580 | 4918 #ifdef FEAT_GUI |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4919 // If we are supposed to start the GUI but it wasn't |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4920 // completely started yet, start it now. This makes |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4921 // the messages displayed in the Vim window when |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4922 // loading a session from the .gvimrc file. |
580 | 4923 if (gui.starting && !gui.in_use) |
16451
7ae2396cef62
patch 8.1.1230: a lot of code is shared between vim.exe and gvim.exe
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
4924 gui_start(NULL); |
580 | 4925 #endif |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4926 // Show info about the existing swap file. |
580 | 4927 attention_message(buf, fname); |
4928 | |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4929 // We don't want a 'q' typed at the more-prompt |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4930 // interrupt loading a file. |
580 | 4931 got_int = FALSE; |
14903
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4932 |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4933 // If vimrc has "simalt ~x" we don't want it to |
c1ee9f32bec3
patch 8.1.0463: "simalt ~x" in .vimrc blocks swap file prompt
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
4934 // interfere with the prompt here. |
14909
c97b4b537572
patch 8.1.0466: autocmd test fails
Bram Moolenaar <Bram@vim.org>
parents:
14903
diff
changeset
|
4935 flush_buffers(FLUSH_TYPEAHEAD); |
7 | 4936 } |
4937 | |
4938 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) | |
580 | 4939 if (swap_exists_action != SEA_NONE && choice == 0) |
7 | 4940 { |
4941 char_u *name; | |
4942 | |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16738
diff
changeset
|
4943 name = alloc(STRLEN(fname) |
7 | 4944 + STRLEN(_("Swap file \"")) |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16738
diff
changeset
|
4945 + STRLEN(_("\" already exists!")) + 5); |
7 | 4946 if (name != NULL) |
4947 { | |
4948 STRCPY(name, _("Swap file \"")); | |
4949 home_replace(NULL, fname, name + STRLEN(name), | |
4950 1000, TRUE); | |
4951 STRCAT(name, _("\" already exists!")); | |
4952 } | |
580 | 4953 choice = do_dialog(VIM_WARNING, |
7 | 4954 (char_u *)_("VIM - ATTENTION"), |
4955 name == NULL | |
4956 ? (char_u *)_("Swap file already exists!") | |
4957 : name, | |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4958 # ifdef HAVE_PROCESS_STILL_RUNNING |
7 | 4959 process_still_running |
4960 ? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") : | |
4961 # endif | |
2684 | 4962 (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Delete it\n&Quit\n&Abort"), 1, NULL, FALSE); |
580 | 4963 |
16455
1ae13586edf8
patch 8.1.1232: can't build on MS-Windows
Bram Moolenaar <Bram@vim.org>
parents:
16453
diff
changeset
|
4964 # ifdef HAVE_PROCESS_STILL_RUNNING |
580 | 4965 if (process_still_running && choice >= 4) |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4966 choice++; // Skip missing "Delete it" button |
580 | 4967 # endif |
4968 vim_free(name); | |
4969 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
4970 // pretend screen didn't scroll, need redraw anyway |
580 | 4971 msg_scrolled = 0; |
4972 redraw_all_later(NOT_VALID); | |
4973 } | |
4974 #endif | |
4975 | |
4976 if (choice > 0) | |
4977 { | |
4978 switch (choice) | |
7 | 4979 { |
4980 case 1: | |
4981 buf->b_p_ro = TRUE; | |
4982 break; | |
4983 case 2: | |
4984 break; | |
4985 case 3: | |
4986 swap_exists_action = SEA_RECOVER; | |
4987 break; | |
4988 case 4: | |
580 | 4989 mch_remove(fname); |
4990 break; | |
4991 case 5: | |
7 | 4992 swap_exists_action = SEA_QUIT; |
4993 break; | |
580 | 4994 case 6: |
7 | 4995 swap_exists_action = SEA_QUIT; |
4996 got_int = TRUE; | |
4997 break; | |
4998 } | |
4999 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5000 // If the file was deleted this fname can be used. |
7 | 5001 if (mch_getperm(fname) < 0) |
5002 break; | |
5003 } | |
5004 else | |
5005 { | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
5006 msg_puts("\n"); |
625 | 5007 if (msg_silent == 0) |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5008 // call wait_return() later |
625 | 5009 need_wait_return = TRUE; |
7 | 5010 } |
5011 | |
5012 #ifdef CREATE_DUMMY_FILE | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5013 // Going to try another name, need the dummy file again. |
7 | 5014 if (did_use_dummy) |
5432 | 5015 dummyfd = mch_fopen((char *)buf_fname, "w"); |
7 | 5016 #endif |
5017 } | |
5018 } | |
5019 } | |
5020 | |
5021 /* | |
5022 * Change the ".swp" extension to find another file that can be used. | |
5023 * First decrement the last char: ".swo", ".swn", etc. | |
5024 * If that still isn't enough decrement the last but one char: ".svz" | |
9 | 5025 * Can happen when editing many "No Name" buffers. |
7 | 5026 */ |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5027 if (fname[n - 1] == 'a') // ".s?a" |
7 | 5028 { |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5029 if (fname[n - 2] == 'a') // ".saa": tried enough, give up |
7 | 5030 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15361
diff
changeset
|
5031 emsg(_("E326: Too many swap files found")); |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
12975
diff
changeset
|
5032 VIM_CLEAR(fname); |
7 | 5033 break; |
5034 } | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5035 --fname[n - 2]; // ".svz", ".suz", etc. |
7 | 5036 fname[n - 1] = 'z' + 1; |
5037 } | |
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diff
changeset
|
5038 --fname[n - 1]; // ".swo", ".swn", etc. |
7 | 5039 } |
5040 | |
5041 vim_free(dir_name); | |
5042 #ifdef CREATE_DUMMY_FILE | |
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changeset
|
5043 if (dummyfd != NULL) // file has been created temporarily |
7 | 5044 { |
5045 fclose(dummyfd); | |
5432 | 5046 mch_remove(buf_fname); |
7 | 5047 } |
5048 #endif | |
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patch 8.1.0941: macros for MS-Windows are inconsistent
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diff
changeset
|
5049 #ifdef MSWIN |
5432 | 5050 if (buf_fname != buf->b_fname) |
5051 vim_free(buf_fname); | |
5052 #endif | |
7 | 5053 return fname; |
5054 } | |
5055 | |
5056 static int | |
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parents:
7803
diff
changeset
|
5057 b0_magic_wrong(ZERO_BL *b0p) |
7 | 5058 { |
5059 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG | |
5060 || b0p->b0_magic_int != (int)B0_MAGIC_INT | |
5061 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT | |
5062 || b0p->b0_magic_char != B0_MAGIC_CHAR); | |
5063 } | |
5064 | |
5065 #ifdef CHECK_INODE | |
5066 /* | |
5067 * Compare current file name with file name from swap file. | |
5068 * Try to use inode numbers when possible. | |
5069 * Return non-zero when files are different. | |
5070 * | |
5071 * When comparing file names a few things have to be taken into consideration: | |
5072 * - When working over a network the full path of a file depends on the host. | |
5073 * We check the inode number if possible. It is not 100% reliable though, | |
5074 * because the device number cannot be used over a network. | |
5075 * - When a file does not exist yet (editing a new file) there is no inode | |
5076 * number. | |
5077 * - The file name in a swap file may not be valid on the current host. The | |
5078 * "~user" form is used whenever possible to avoid this. | |
5079 * | |
5080 * This is getting complicated, let's make a table: | |
5081 * | |
5082 * ino_c ino_s fname_c fname_s differ = | |
5083 * | |
5084 * both files exist -> compare inode numbers: | |
5085 * != 0 != 0 X X ino_c != ino_s | |
5086 * | |
5087 * inode number(s) unknown, file names available -> compare file names | |
5088 * == 0 X OK OK fname_c != fname_s | |
5089 * X == 0 OK OK fname_c != fname_s | |
5090 * | |
5091 * current file doesn't exist, file for swap file exist, file name(s) not | |
5092 * available -> probably different | |
5093 * == 0 != 0 FAIL X TRUE | |
5094 * == 0 != 0 X FAIL TRUE | |
5095 * | |
5096 * current file exists, inode for swap unknown, file name(s) not | |
5097 * available -> probably different | |
5098 * != 0 == 0 FAIL X TRUE | |
5099 * != 0 == 0 X FAIL TRUE | |
5100 * | |
5101 * current file doesn't exist, inode for swap unknown, one file name not | |
5102 * available -> probably different | |
5103 * == 0 == 0 FAIL OK TRUE | |
5104 * == 0 == 0 OK FAIL TRUE | |
5105 * | |
5106 * current file doesn't exist, inode for swap unknown, both file names not | |
13896
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patch 8.0.1819: swap file warning for file with non-existing directory
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13632
diff
changeset
|
5107 * available -> compare file names |
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diff
changeset
|
5108 * == 0 == 0 FAIL FAIL fname_c != fname_s |
7 | 5109 * |
5110 * Note that when the ino_t is 64 bits, only the last 32 will be used. This | |
5111 * can't be changed without making the block 0 incompatible with 32 bit | |
5112 * versions. | |
5113 */ | |
5114 | |
5115 static int | |
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diff
changeset
|
5116 fnamecmp_ino( |
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|
5117 char_u *fname_c, // current file name |
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|
5118 char_u *fname_s, // file name from swap file |
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diff
changeset
|
5119 long ino_block0) |
7 | 5120 { |
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diff
changeset
|
5121 stat_T st; |
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|
5122 ino_t ino_c = 0; // ino of current file |
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changeset
|
5123 ino_t ino_s; // ino of file from swap file |
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changeset
|
5124 char_u buf_c[MAXPATHL]; // full path of fname_c |
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changeset
|
5125 char_u buf_s[MAXPATHL]; // full path of fname_s |
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changeset
|
5126 int retval_c; // flag: buf_c valid |
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diff
changeset
|
5127 int retval_s; // flag: buf_s valid |
7 | 5128 |
5129 if (mch_stat((char *)fname_c, &st) == 0) | |
5130 ino_c = (ino_t)st.st_ino; | |
5131 | |
5132 /* | |
5133 * First we try to get the inode from the file name, because the inode in | |
5134 * the swap file may be outdated. If that fails (e.g. this path is not | |
5135 * valid on this machine), use the inode from block 0. | |
5136 */ | |
5137 if (mch_stat((char *)fname_s, &st) == 0) | |
5138 ino_s = (ino_t)st.st_ino; | |
5139 else | |
5140 ino_s = (ino_t)ino_block0; | |
5141 | |
5142 if (ino_c && ino_s) | |
5143 return (ino_c != ino_s); | |
5144 | |
5145 /* | |
5146 * One of the inode numbers is unknown, try a forced vim_FullName() and | |
5147 * compare the file names. | |
5148 */ | |
5149 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE); | |
5150 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE); | |
5151 if (retval_c == OK && retval_s == OK) | |
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diff
changeset
|
5152 return STRCMP(buf_c, buf_s) != 0; |
7 | 5153 |
5154 /* | |
5155 * Can't compare inodes or file names, guess that the files are different, | |
13896
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diff
changeset
|
5156 * unless both appear not to exist at all, then compare with the file name |
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diff
changeset
|
5157 * in the swap file. |
7 | 5158 */ |
5159 if (ino_s == 0 && ino_c == 0 && retval_c == FAIL && retval_s == FAIL) | |
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changeset
|
5160 return STRCMP(fname_c, fname_s) != 0; |
7 | 5161 return TRUE; |
5162 } | |
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changeset
|
5163 #endif // CHECK_INODE |
7 | 5164 |
5165 /* | |
5166 * Move a long integer into a four byte character array. | |
5167 * Used for machine independency in block zero. | |
5168 */ | |
5169 static void | |
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diff
changeset
|
5170 long_to_char(long n, char_u *s) |
7 | 5171 { |
5172 s[0] = (char_u)(n & 0xff); | |
5173 n = (unsigned)n >> 8; | |
5174 s[1] = (char_u)(n & 0xff); | |
5175 n = (unsigned)n >> 8; | |
5176 s[2] = (char_u)(n & 0xff); | |
5177 n = (unsigned)n >> 8; | |
5178 s[3] = (char_u)(n & 0xff); | |
5179 } | |
5180 | |
5181 static long | |
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diff
changeset
|
5182 char_to_long(char_u *s) |
7 | 5183 { |
5184 long retval; | |
5185 | |
5186 retval = s[3]; | |
5187 retval <<= 8; | |
5188 retval |= s[2]; | |
5189 retval <<= 8; | |
5190 retval |= s[1]; | |
5191 retval <<= 8; | |
5192 retval |= s[0]; | |
5193 | |
5194 return retval; | |
5195 } | |
5196 | |
39 | 5197 /* |
5198 * Set the flags in the first block of the swap file: | |
5199 * - file is modified or not: buf->b_changed | |
5200 * - 'fileformat' | |
5201 * - 'fileencoding' | |
5202 */ | |
7 | 5203 void |
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diff
changeset
|
5204 ml_setflags(buf_T *buf) |
7 | 5205 { |
5206 bhdr_T *hp; | |
5207 ZERO_BL *b0p; | |
5208 | |
5209 if (!buf->b_ml.ml_mfp) | |
5210 return; | |
5211 for (hp = buf->b_ml.ml_mfp->mf_used_last; hp != NULL; hp = hp->bh_prev) | |
5212 { | |
5213 if (hp->bh_bnum == 0) | |
5214 { | |
5215 b0p = (ZERO_BL *)(hp->bh_data); | |
39 | 5216 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0; |
5217 b0p->b0_flags = (b0p->b0_flags & ~B0_FF_MASK) | |
5218 | (get_fileformat(buf) + 1); | |
5219 add_b0_fenc(b0p, buf); | |
7 | 5220 hp->bh_flags |= BH_DIRTY; |
5221 mf_sync(buf->b_ml.ml_mfp, MFS_ZERO); | |
5222 break; | |
5223 } | |
5224 } | |
5225 } | |
5226 | |
2267 | 5227 #if defined(FEAT_CRYPT) || defined(PROTO) |
5228 /* | |
5229 * If "data" points to a data block encrypt the text in it and return a copy | |
5230 * in allocated memory. Return NULL when out of memory. | |
5231 * Otherwise return "data". | |
5232 */ | |
5233 char_u * | |
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parents:
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diff
changeset
|
5234 ml_encrypt_data( |
41789f16d6b2
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diff
changeset
|
5235 memfile_T *mfp, |
41789f16d6b2
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diff
changeset
|
5236 char_u *data, |
9387
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diff
changeset
|
5237 off_T offset, |
7827
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5238 unsigned size) |
2267 | 5239 { |
5240 DATA_BL *dp = (DATA_BL *)data; | |
5241 char_u *head_end; | |
5242 char_u *text_start; | |
5243 char_u *new_data; | |
5244 int text_len; | |
6122 | 5245 cryptstate_T *state; |
2267 | 5246 |
5247 if (dp->db_id != DATA_ID) | |
5248 return data; | |
5249 | |
6817 | 5250 state = ml_crypt_prepare(mfp, offset, FALSE); |
5251 if (state == NULL) | |
5252 return data; | |
5253 | |
16825
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patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
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16786
diff
changeset
|
5254 new_data = alloc(size); |
2267 | 5255 if (new_data == NULL) |
5256 return NULL; | |
5257 head_end = (char_u *)(&dp->db_index[dp->db_line_count]); | |
5258 text_start = (char_u *)dp + dp->db_txt_start; | |
5259 text_len = size - dp->db_txt_start; | |
5260 | |
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diff
changeset
|
5261 // Copy the header and the text. |
2267 | 5262 mch_memmove(new_data, dp, head_end - (char_u *)dp); |
5263 | |
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diff
changeset
|
5264 // Encrypt the text. |
6122 | 5265 crypt_encode(state, text_start, text_len, new_data + dp->db_txt_start); |
5266 crypt_free_state(state); | |
2267 | 5267 |
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diff
changeset
|
5268 // Clear the gap. |
2267 | 5269 if (head_end < text_start) |
5270 vim_memset(new_data + (head_end - data), 0, text_start - head_end); | |
5271 | |
5272 return new_data; | |
5273 } | |
5274 | |
5275 /* | |
6817 | 5276 * Decrypt the text in "data" if it points to an encrypted data block. |
2267 | 5277 */ |
5278 void | |
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diff
changeset
|
5279 ml_decrypt_data( |
41789f16d6b2
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diff
changeset
|
5280 memfile_T *mfp, |
41789f16d6b2
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diff
changeset
|
5281 char_u *data, |
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diff
changeset
|
5282 off_T offset, |
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diff
changeset
|
5283 unsigned size) |
2267 | 5284 { |
5285 DATA_BL *dp = (DATA_BL *)data; | |
5286 char_u *head_end; | |
5287 char_u *text_start; | |
5288 int text_len; | |
6122 | 5289 cryptstate_T *state; |
2267 | 5290 |
5291 if (dp->db_id == DATA_ID) | |
5292 { | |
5293 head_end = (char_u *)(&dp->db_index[dp->db_line_count]); | |
5294 text_start = (char_u *)dp + dp->db_txt_start; | |
5295 text_len = dp->db_txt_end - dp->db_txt_start; | |
5296 | |
5297 if (head_end > text_start || dp->db_txt_start > size | |
5298 || dp->db_txt_end > size) | |
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changeset
|
5299 return; // data was messed up |
2267 | 5300 |
6122 | 5301 state = ml_crypt_prepare(mfp, offset, TRUE); |
6817 | 5302 if (state != NULL) |
5303 { | |
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changeset
|
5304 // Decrypt the text in place. |
6817 | 5305 crypt_decode_inplace(state, text_start, text_len); |
5306 crypt_free_state(state); | |
5307 } | |
2267 | 5308 } |
5309 } | |
5310 | |
5311 /* | |
5312 * Prepare for encryption/decryption, using the key, seed and offset. | |
6122 | 5313 * Return an allocated cryptstate_T *. |
2267 | 5314 */ |
6122 | 5315 static cryptstate_T * |
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diff
changeset
|
5316 ml_crypt_prepare(memfile_T *mfp, off_T offset, int reading) |
2267 | 5317 { |
5318 buf_T *buf = mfp->mf_buffer; | |
5319 char_u salt[50]; | |
6122 | 5320 int method_nr; |
2267 | 5321 char_u *key; |
5322 char_u *seed; | |
5323 | |
5324 if (reading && mfp->mf_old_key != NULL) | |
5325 { | |
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changeset
|
5326 // Reading back blocks with the previous key/method/seed. |
6122 | 5327 method_nr = mfp->mf_old_cm; |
2267 | 5328 key = mfp->mf_old_key; |
5329 seed = mfp->mf_old_seed; | |
5330 } | |
5331 else | |
5332 { | |
6122 | 5333 method_nr = crypt_get_method_nr(buf); |
2267 | 5334 key = buf->b_p_key; |
5335 seed = mfp->mf_seed; | |
5336 } | |
6817 | 5337 if (*key == NUL) |
5338 return NULL; | |
2267 | 5339 |
6122 | 5340 if (method_nr == CRYPT_M_ZIP) |
2267 | 5341 { |
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|
5342 // For PKzip: Append the offset to the key, so that we use a different |
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changeset
|
5343 // key for every block. |
2267 | 5344 vim_snprintf((char *)salt, sizeof(salt), "%s%ld", key, (long)offset); |
6122 | 5345 return crypt_create(method_nr, salt, NULL, 0, NULL, 0); |
2267 | 5346 } |
6122 | 5347 |
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|
5348 // Using blowfish or better: add salt and seed. We use the byte offset |
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changeset
|
5349 // of the block for the salt. |
6122 | 5350 vim_snprintf((char *)salt, sizeof(salt), "%ld", (long)offset); |
5351 return crypt_create(method_nr, key, salt, (int)STRLEN(salt), | |
5352 seed, MF_SEED_LEN); | |
2267 | 5353 } |
5354 | |
5355 #endif | |
5356 | |
5357 | |
7 | 5358 #if defined(FEAT_BYTEOFF) || defined(PROTO) |
5359 | |
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changeset
|
5360 #define MLCS_MAXL 800 // max no of lines in chunk |
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changeset
|
5361 #define MLCS_MINL 400 // should be half of MLCS_MAXL |
7 | 5362 |
5363 /* | |
2407
6bc102a4bff8
Fix memory access to 'cryptmethod' during recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2394
diff
changeset
|
5364 * Keep information for finding byte offset of a line, updtype may be one of: |
7 | 5365 * ML_CHNK_ADDLINE: Add len to parent chunk, possibly splitting it |
5366 * Careful: ML_CHNK_ADDLINE may cause ml_find_line() to be called. | |
5367 * ML_CHNK_DELLINE: Subtract len from parent chunk, possibly deleting it | |
5368 * ML_CHNK_UPDLINE: Add len to parent chunk, as a signed entity. | |
5369 */ | |
5370 static void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5371 ml_updatechunk( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5372 buf_T *buf, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5373 linenr_T line, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5374 long len, |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5375 int updtype) |
7 | 5376 { |
5377 static buf_T *ml_upd_lastbuf = NULL; | |
5378 static linenr_T ml_upd_lastline; | |
5379 static linenr_T ml_upd_lastcurline; | |
5380 static int ml_upd_lastcurix; | |
5381 | |
5382 linenr_T curline = ml_upd_lastcurline; | |
5383 int curix = ml_upd_lastcurix; | |
5384 long size; | |
5385 chunksize_T *curchnk; | |
5386 int rest; | |
5387 bhdr_T *hp; | |
5388 DATA_BL *dp; | |
5389 | |
5390 if (buf->b_ml.ml_usedchunks == -1 || len == 0) | |
5391 return; | |
5392 if (buf->b_ml.ml_chunksize == NULL) | |
5393 { | |
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16786
diff
changeset
|
5394 buf->b_ml.ml_chunksize = ALLOC_MULT(chunksize_T, 100); |
7 | 5395 if (buf->b_ml.ml_chunksize == NULL) |
5396 { | |
5397 buf->b_ml.ml_usedchunks = -1; | |
5398 return; | |
5399 } | |
5400 buf->b_ml.ml_numchunks = 100; | |
5401 buf->b_ml.ml_usedchunks = 1; | |
5402 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1; | |
5403 buf->b_ml.ml_chunksize[0].mlcs_totalsize = 1; | |
5404 } | |
5405 | |
5406 if (updtype == ML_CHNK_UPDLINE && buf->b_ml.ml_line_count == 1) | |
5407 { | |
5408 /* | |
5409 * First line in empty buffer from ml_flush_line() -- reset | |
5410 */ | |
5411 buf->b_ml.ml_usedchunks = 1; | |
5412 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1; | |
15138
9df130fd5e0d
patch 8.1.0579: cannot attach properties to text
Bram Moolenaar <Bram@vim.org>
parents:
14980
diff
changeset
|
5413 buf->b_ml.ml_chunksize[0].mlcs_totalsize = (long)buf->b_ml.ml_line_len; |
7 | 5414 return; |
5415 } | |
5416 | |
5417 /* | |
5418 * Find chunk that our line belongs to, curline will be at start of the | |
5419 * chunk. | |
5420 */ | |
5421 if (buf != ml_upd_lastbuf || line != ml_upd_lastline + 1 | |
5422 || updtype != ML_CHNK_ADDLINE) | |
5423 { | |
5424 for (curline = 1, curix = 0; | |
5425 curix < buf->b_ml.ml_usedchunks - 1 | |
5426 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5427 curix++) | |
5428 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5429 } | |
14980
c98810dfebaf
patch 8.1.0501: cppcheck warns for using array index before bounds check
Bram Moolenaar <Bram@vim.org>
parents:
14923
diff
changeset
|
5430 else if (curix < buf->b_ml.ml_usedchunks - 1 |
c98810dfebaf
patch 8.1.0501: cppcheck warns for using array index before bounds check
Bram Moolenaar <Bram@vim.org>
parents:
14923
diff
changeset
|
5431 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines) |
7 | 5432 { |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5433 // Adjust cached curix & curline |
7 | 5434 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines; |
5435 curix++; | |
5436 } | |
5437 curchnk = buf->b_ml.ml_chunksize + curix; | |
5438 | |
5439 if (updtype == ML_CHNK_DELLINE) | |
1030 | 5440 len = -len; |
7 | 5441 curchnk->mlcs_totalsize += len; |
5442 if (updtype == ML_CHNK_ADDLINE) | |
5443 { | |
5444 curchnk->mlcs_numlines++; | |
5445 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5446 // May resize here so we don't have to do it in both cases below |
7 | 5447 if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks) |
5448 { | |
6596 | 5449 chunksize_T *t_chunksize = buf->b_ml.ml_chunksize; |
5450 | |
7 | 5451 buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2; |
21915
2559dc02bd64
patch 8.2.1507: using malloc() directly
Bram Moolenaar <Bram@vim.org>
parents:
21337
diff
changeset
|
5452 buf->b_ml.ml_chunksize = vim_realloc(buf->b_ml.ml_chunksize, |
7 | 5453 sizeof(chunksize_T) * buf->b_ml.ml_numchunks); |
5454 if (buf->b_ml.ml_chunksize == NULL) | |
5455 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5456 // Hmmmm, Give up on offset for this buffer |
6596 | 5457 vim_free(t_chunksize); |
7 | 5458 buf->b_ml.ml_usedchunks = -1; |
5459 return; | |
5460 } | |
5461 } | |
5462 | |
5463 if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MAXL) | |
5464 { | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5465 int count; // number of entries in block |
7 | 5466 int idx; |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5467 int end_idx; |
7 | 5468 int text_end; |
5469 int linecnt; | |
5470 | |
5471 mch_memmove(buf->b_ml.ml_chunksize + curix + 1, | |
5472 buf->b_ml.ml_chunksize + curix, | |
5473 (buf->b_ml.ml_usedchunks - curix) * | |
5474 sizeof(chunksize_T)); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5475 // Compute length of first half of lines in the split chunk |
7 | 5476 size = 0; |
5477 linecnt = 0; | |
5478 while (curline < buf->b_ml.ml_line_count | |
5479 && linecnt < MLCS_MINL) | |
5480 { | |
5481 if ((hp = ml_find_line(buf, curline, ML_FIND)) == NULL) | |
5482 { | |
5483 buf->b_ml.ml_usedchunks = -1; | |
5484 return; | |
5485 } | |
5486 dp = (DATA_BL *)(hp->bh_data); | |
5487 count = (long)(buf->b_ml.ml_locked_high) - | |
5488 (long)(buf->b_ml.ml_locked_low) + 1; | |
5489 idx = curline - buf->b_ml.ml_locked_low; | |
5490 curline = buf->b_ml.ml_locked_high + 1; | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5491 |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5492 // compute index of last line to use in this MEMLINE |
7 | 5493 rest = count - idx; |
5494 if (linecnt + rest > MLCS_MINL) | |
5495 { | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5496 end_idx = idx + MLCS_MINL - linecnt - 1; |
7 | 5497 linecnt = MLCS_MINL; |
5498 } | |
5499 else | |
5500 { | |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5501 end_idx = count - 1; |
7 | 5502 linecnt += rest; |
5503 } | |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5504 #ifdef FEAT_PROP_POPUP |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5505 if (buf->b_has_textprop) |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5506 { |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5507 int i; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5508 |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5509 // We cannot use the text pointers to get the text length, |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5510 // the text prop info would also be counted. Go over the |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5511 // lines. |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5512 for (i = end_idx; i < idx; ++i) |
15353
21580db06cf3
patch 8.1.0684: warnings from 64-bit compiler
Bram Moolenaar <Bram@vim.org>
parents:
15294
diff
changeset
|
5513 size += (int)STRLEN((char_u *)dp + (dp->db_index[i] & DB_INDEX_MASK)) + 1; |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5514 } |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5515 else |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5516 #endif |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5517 { |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5518 if (idx == 0)// first line in block, text at the end |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5519 text_end = dp->db_txt_end; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5520 else |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5521 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK); |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5522 size += text_end - ((dp->db_index[end_idx]) & DB_INDEX_MASK); |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5523 } |
7 | 5524 } |
5525 buf->b_ml.ml_chunksize[curix].mlcs_numlines = linecnt; | |
5526 buf->b_ml.ml_chunksize[curix + 1].mlcs_numlines -= linecnt; | |
5527 buf->b_ml.ml_chunksize[curix].mlcs_totalsize = size; | |
5528 buf->b_ml.ml_chunksize[curix + 1].mlcs_totalsize -= size; | |
5529 buf->b_ml.ml_usedchunks++; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5530 ml_upd_lastbuf = NULL; // Force recalc of curix & curline |
7 | 5531 return; |
5532 } | |
5533 else if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MINL | |
5534 && curix == buf->b_ml.ml_usedchunks - 1 | |
5535 && buf->b_ml.ml_line_count - line <= 1) | |
5536 { | |
5537 /* | |
5538 * We are in the last chunk and it is cheap to crate a new one | |
5539 * after this. Do it now to avoid the loop above later on | |
5540 */ | |
5541 curchnk = buf->b_ml.ml_chunksize + curix + 1; | |
5542 buf->b_ml.ml_usedchunks++; | |
5543 if (line == buf->b_ml.ml_line_count) | |
5544 { | |
5545 curchnk->mlcs_numlines = 0; | |
5546 curchnk->mlcs_totalsize = 0; | |
5547 } | |
5548 else | |
5549 { | |
5550 /* | |
5551 * Line is just prior to last, move count for last | |
5552 * This is the common case when loading a new file | |
5553 */ | |
5554 hp = ml_find_line(buf, buf->b_ml.ml_line_count, ML_FIND); | |
5555 if (hp == NULL) | |
5556 { | |
5557 buf->b_ml.ml_usedchunks = -1; | |
5558 return; | |
5559 } | |
5560 dp = (DATA_BL *)(hp->bh_data); | |
5561 if (dp->db_line_count == 1) | |
5562 rest = dp->db_txt_end - dp->db_txt_start; | |
5563 else | |
5564 rest = | |
5565 ((dp->db_index[dp->db_line_count - 2]) & DB_INDEX_MASK) | |
5566 - dp->db_txt_start; | |
5567 curchnk->mlcs_totalsize = rest; | |
5568 curchnk->mlcs_numlines = 1; | |
5569 curchnk[-1].mlcs_totalsize -= rest; | |
5570 curchnk[-1].mlcs_numlines -= 1; | |
5571 } | |
5572 } | |
5573 } | |
5574 else if (updtype == ML_CHNK_DELLINE) | |
5575 { | |
5576 curchnk->mlcs_numlines--; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5577 ml_upd_lastbuf = NULL; // Force recalc of curix & curline |
7 | 5578 if (curix < (buf->b_ml.ml_usedchunks - 1) |
5579 && (curchnk->mlcs_numlines + curchnk[1].mlcs_numlines) | |
5580 <= MLCS_MINL) | |
5581 { | |
5582 curix++; | |
5583 curchnk = buf->b_ml.ml_chunksize + curix; | |
5584 } | |
5585 else if (curix == 0 && curchnk->mlcs_numlines <= 0) | |
5586 { | |
5587 buf->b_ml.ml_usedchunks--; | |
5588 mch_memmove(buf->b_ml.ml_chunksize, buf->b_ml.ml_chunksize + 1, | |
5589 buf->b_ml.ml_usedchunks * sizeof(chunksize_T)); | |
5590 return; | |
5591 } | |
5592 else if (curix == 0 || (curchnk->mlcs_numlines > 10 | |
5593 && (curchnk->mlcs_numlines + curchnk[-1].mlcs_numlines) | |
5594 > MLCS_MINL)) | |
5595 { | |
5596 return; | |
5597 } | |
5598 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5599 // Collapse chunks |
7 | 5600 curchnk[-1].mlcs_numlines += curchnk->mlcs_numlines; |
5601 curchnk[-1].mlcs_totalsize += curchnk->mlcs_totalsize; | |
5602 buf->b_ml.ml_usedchunks--; | |
5603 if (curix < buf->b_ml.ml_usedchunks) | |
5604 { | |
5605 mch_memmove(buf->b_ml.ml_chunksize + curix, | |
5606 buf->b_ml.ml_chunksize + curix + 1, | |
5607 (buf->b_ml.ml_usedchunks - curix) * | |
5608 sizeof(chunksize_T)); | |
5609 } | |
5610 return; | |
5611 } | |
5612 ml_upd_lastbuf = buf; | |
5613 ml_upd_lastline = line; | |
5614 ml_upd_lastcurline = curline; | |
5615 ml_upd_lastcurix = curix; | |
5616 } | |
5617 | |
5618 /* | |
5619 * Find offset for line or line with offset. | |
169 | 5620 * Find line with offset if "lnum" is 0; return remaining offset in offp |
5621 * Find offset of line if "lnum" > 0 | |
7 | 5622 * return -1 if information is not available |
5623 */ | |
5624 long | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5625 ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp) |
7 | 5626 { |
5627 linenr_T curline; | |
5628 int curix; | |
5629 long size; | |
5630 bhdr_T *hp; | |
5631 DATA_BL *dp; | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5632 int count; // number of entries in block |
7 | 5633 int idx; |
5634 int start_idx; | |
5635 int text_end; | |
5636 long offset; | |
5637 int len; | |
5638 int ffdos = (get_fileformat(buf) == EOL_DOS); | |
5639 int extra = 0; | |
5640 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5641 // take care of cached line first |
169 | 5642 ml_flush_line(curbuf); |
5643 | |
7 | 5644 if (buf->b_ml.ml_usedchunks == -1 |
5645 || buf->b_ml.ml_chunksize == NULL | |
169 | 5646 || lnum < 0) |
7 | 5647 return -1; |
5648 | |
5649 if (offp == NULL) | |
5650 offset = 0; | |
5651 else | |
5652 offset = *offp; | |
169 | 5653 if (lnum == 0 && offset <= 0) |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5654 return 1; // Not a "find offset" and offset 0 _must_ be in line 1 |
7 | 5655 /* |
5656 * Find the last chunk before the one containing our line. Last chunk is | |
5657 * special because it will never qualify | |
5658 */ | |
5659 curline = 1; | |
5660 curix = size = 0; | |
5661 while (curix < buf->b_ml.ml_usedchunks - 1 | |
169 | 5662 && ((lnum != 0 |
5663 && lnum >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines) | |
7 | 5664 || (offset != 0 |
5665 && offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize | |
5666 + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines))) | |
5667 { | |
5668 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5669 size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize; | |
5670 if (offset && ffdos) | |
5671 size += buf->b_ml.ml_chunksize[curix].mlcs_numlines; | |
5672 curix++; | |
5673 } | |
5674 | |
169 | 5675 while ((lnum != 0 && curline < lnum) || (offset != 0 && size < offset)) |
7 | 5676 { |
5677 if (curline > buf->b_ml.ml_line_count | |
5678 || (hp = ml_find_line(buf, curline, ML_FIND)) == NULL) | |
5679 return -1; | |
5680 dp = (DATA_BL *)(hp->bh_data); | |
5681 count = (long)(buf->b_ml.ml_locked_high) - | |
5682 (long)(buf->b_ml.ml_locked_low) + 1; | |
5683 start_idx = idx = curline - buf->b_ml.ml_locked_low; | |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5684 if (idx == 0) // first line in block, text at the end |
7 | 5685 text_end = dp->db_txt_end; |
5686 else | |
5687 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5688 // Compute index of last line to use in this MEMLINE |
169 | 5689 if (lnum != 0) |
7 | 5690 { |
169 | 5691 if (curline + (count - idx) >= lnum) |
5692 idx += lnum - curline - 1; | |
7 | 5693 else |
5694 idx = count - 1; | |
5695 } | |
5696 else | |
5697 { | |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5698 #ifdef FEAT_PROP_POPUP |
19129
d7664581988e
patch 8.2.0124: compiler warnings for variable types
Bram Moolenaar <Bram@vim.org>
parents:
19110
diff
changeset
|
5699 size_t textprop_total = 0; |
d7664581988e
patch 8.2.0124: compiler warnings for variable types
Bram Moolenaar <Bram@vim.org>
parents:
19110
diff
changeset
|
5700 size_t textprop_size = 0; |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5701 char_u *l1, *l2; |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5702 #endif |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5703 |
7 | 5704 extra = 0; |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5705 for (;;) |
7 | 5706 { |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5707 #ifdef FEAT_PROP_POPUP |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5708 if (buf->b_has_textprop) |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5709 { |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5710 // compensate for the extra bytes taken by textprops |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5711 l1 = (char_u *)dp + ((dp->db_index[idx]) & DB_INDEX_MASK); |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5712 l2 = (char_u *)dp + (idx == 0 ? dp->db_txt_end |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5713 : ((dp->db_index[idx - 1]) & DB_INDEX_MASK)); |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5714 textprop_size = (l2 - l1) - (STRLEN(l1) + 1); |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5715 } |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5716 #endif |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5717 if (!(offset >= size |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5718 + text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK) |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5719 #ifdef FEAT_PROP_POPUP |
19133
dc6a0b05b082
patch 8.2.0126: textprop test fails
Bram Moolenaar <Bram@vim.org>
parents:
19129
diff
changeset
|
5720 - (long)(textprop_total + textprop_size) |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5721 #endif |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5722 + ffdos)) |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5723 break; |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5724 |
7 | 5725 if (ffdos) |
5726 size++; | |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5727 #ifdef FEAT_PROP_POPUP |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5728 textprop_total += textprop_size; |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5729 #endif |
7 | 5730 if (idx == count - 1) |
5731 { | |
5732 extra = 1; | |
5733 break; | |
5734 } | |
5735 idx++; | |
5736 } | |
5737 } | |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5738 #ifdef FEAT_PROP_POPUP |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5739 if (buf->b_has_textprop) |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5740 { |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5741 int i; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5742 |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5743 // cannot use the db_index pointer, need to get the actual text |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5744 // lengths. |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5745 len = 0; |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5746 for (i = start_idx; i <= idx; ++i) |
19110
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5747 len += (int)STRLEN((char_u *)dp |
e40814841406
patch 8.2.0115: byte2line() does not work correctly with text properties
Bram Moolenaar <Bram@vim.org>
parents:
18800
diff
changeset
|
5748 + ((dp->db_index[i]) & DB_INDEX_MASK)) + 1; |
15255
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5749 } |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5750 else |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5751 #endif |
19e79a1ed6b6
patch 8.1.0636: line2byte() gives wrong values with text properties
Bram Moolenaar <Bram@vim.org>
parents:
15182
diff
changeset
|
5752 len = text_end - ((dp->db_index[idx]) & DB_INDEX_MASK); |
7 | 5753 size += len; |
5754 if (offset != 0 && size >= offset) | |
5755 { | |
5756 if (size + ffdos == offset) | |
5757 *offp = 0; | |
5758 else if (idx == start_idx) | |
5759 *offp = offset - size + len; | |
5760 else | |
5761 *offp = offset - size + len | |
5762 - (text_end - ((dp->db_index[idx - 1]) & DB_INDEX_MASK)); | |
5763 curline += idx - start_idx + extra; | |
5764 if (curline > buf->b_ml.ml_line_count) | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5765 return -1; // exactly one byte beyond the end |
7 | 5766 return curline; |
5767 } | |
5768 curline = buf->b_ml.ml_locked_high + 1; | |
5769 } | |
5770 | |
169 | 5771 if (lnum != 0) |
20 | 5772 { |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5773 // Count extra CR characters. |
20 | 5774 if (ffdos) |
169 | 5775 size += lnum - 1; |
20 | 5776 |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5777 // Don't count the last line break if 'noeol' and ('bin' or |
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5778 // 'nofixeol'). |
6933 | 5779 if ((!buf->b_p_fixeol || buf->b_p_bin) && !buf->b_p_eol |
14579
23d6d9e9ae3e
patch 8.1.0303: line2byte() is wrong for last line with 'noeol'
Christian Brabandt <cb@256bit.org>
parents:
14475
diff
changeset
|
5780 && lnum > buf->b_ml.ml_line_count) |
20 | 5781 size -= ffdos + 1; |
5782 } | |
5783 | |
7 | 5784 return size; |
5785 } | |
5786 | |
5787 /* | |
5788 * Goto byte in buffer with offset 'cnt'. | |
5789 */ | |
5790 void | |
7827
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
5791 goto_byte(long cnt) |
7 | 5792 { |
5793 long boff = cnt; | |
5794 linenr_T lnum; | |
5795 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5796 ml_flush_line(curbuf); // cached line may be dirty |
7 | 5797 setpcmark(); |
5798 if (boff) | |
5799 --boff; | |
5800 lnum = ml_find_line_or_offset(curbuf, (linenr_T)0, &boff); | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5801 if (lnum < 1) // past the end |
7 | 5802 { |
5803 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; | |
5804 curwin->w_curswant = MAXCOL; | |
5805 coladvance((colnr_T)MAXCOL); | |
5806 } | |
5807 else | |
5808 { | |
5809 curwin->w_cursor.lnum = lnum; | |
5810 curwin->w_cursor.col = (colnr_T)boff; | |
572 | 5811 curwin->w_cursor.coladd = 0; |
7 | 5812 curwin->w_set_curswant = TRUE; |
5813 } | |
5814 check_cursor(); | |
5815 | |
18800
f41b55f9357c
patch 8.1.2388: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
5816 // Make sure the cursor is on the first byte of a multi-byte char. |
7 | 5817 if (has_mbyte) |
5818 mb_adjust_cursor(); | |
5819 } | |
5820 #endif |