Commit | Line | Data |
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53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
53cdc686 JA |
6 | #include <sys/stat.h> |
7 | #include <sys/mman.h> | |
bbf6b540 | 8 | #include <sys/types.h> |
53cdc686 JA |
9 | |
10 | #include "fio.h" | |
11 | #include "os.h" | |
12 | ||
7bb48f84 | 13 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 14 | { |
507a702f | 15 | int r, new_layout = 0, flags; |
25205e97 JA |
16 | unsigned long long left; |
17 | unsigned int bs; | |
18 | char *b; | |
b2a15192 | 19 | |
507a702f JA |
20 | /* |
21 | * check if we need to lay the file out complete again. fio | |
22 | * does that for operations involving reads, or for writes | |
23 | * where overwrite is set | |
24 | */ | |
25 | if (td_read(td) || (td_write(td) && td->o.overwrite)) | |
26 | new_layout = 1; | |
27 | ||
28 | if (new_layout && (f->flags & FIO_FILE_EXISTS)) { | |
7bb48f84 JA |
29 | if (unlink(f->file_name) < 0) { |
30 | td_verror(td, errno, "unlink"); | |
31 | return 1; | |
32 | } | |
33 | } | |
34 | ||
507a702f JA |
35 | flags = O_WRONLY | O_CREAT; |
36 | if (new_layout) | |
37 | flags |= O_TRUNC; | |
38 | ||
39 | f->fd = open(f->file_name, flags, 0644); | |
53cdc686 | 40 | if (f->fd < 0) { |
e1161c32 | 41 | td_verror(td, errno, "open"); |
53cdc686 JA |
42 | return 1; |
43 | } | |
44 | ||
7bb48f84 | 45 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 46 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
47 | goto err; |
48 | } | |
49 | ||
7bb48f84 | 50 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 51 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
52 | goto err; |
53 | } | |
54 | ||
507a702f JA |
55 | if (!new_layout) |
56 | goto done; | |
57 | ||
2dc1bbeb JA |
58 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
59 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 60 | |
7bb48f84 | 61 | left = f->real_file_size; |
53cdc686 | 62 | while (left && !td->terminate) { |
2dc1bbeb | 63 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
64 | if (bs > left) |
65 | bs = left; | |
66 | ||
67 | r = write(f->fd, b, bs); | |
68 | ||
69 | if (r == (int) bs) { | |
70 | left -= bs; | |
71 | continue; | |
72 | } else { | |
73 | if (r < 0) | |
e1161c32 | 74 | td_verror(td, errno, "write"); |
53cdc686 | 75 | else |
e1161c32 | 76 | td_verror(td, EIO, "write"); |
53cdc686 JA |
77 | |
78 | break; | |
79 | } | |
80 | } | |
81 | ||
82 | if (td->terminate) | |
83 | unlink(f->file_name); | |
2dc1bbeb | 84 | else if (td->o.create_fsync) |
53cdc686 JA |
85 | fsync(f->fd); |
86 | ||
87 | free(b); | |
507a702f | 88 | done: |
53cdc686 JA |
89 | close(f->fd); |
90 | f->fd = -1; | |
91 | return 0; | |
92 | err: | |
93 | close(f->fd); | |
94 | f->fd = -1; | |
95 | return 1; | |
96 | } | |
97 | ||
7bb48f84 | 98 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 99 | { |
9c60ce64 JA |
100 | unsigned long long ret; |
101 | long r; | |
102 | ||
9c60ce64 | 103 | r = os_random_long(&td->file_size_state); |
7bb48f84 | 104 | ret = td->o.file_size_low + (unsigned long long) ((double) td->o.file_size_high * (r / (RAND_MAX + 1.0))); |
2dc1bbeb | 105 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
106 | return ret; |
107 | } | |
108 | ||
53cdc686 JA |
109 | static int file_size(struct thread_data *td, struct fio_file *f) |
110 | { | |
111 | struct stat st; | |
112 | ||
7bb48f84 JA |
113 | if (fstat(f->fd, &st) == -1) { |
114 | td_verror(td, errno, "fstat"); | |
115 | return 1; | |
116 | } | |
53cdc686 | 117 | |
7bb48f84 | 118 | f->real_file_size = st.st_size; |
53cdc686 JA |
119 | return 0; |
120 | } | |
121 | ||
122 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
123 | { | |
124 | unsigned long long bytes; | |
125 | int r; | |
126 | ||
127 | r = blockdev_size(f->fd, &bytes); | |
128 | if (r) { | |
e1161c32 | 129 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
130 | return 1; |
131 | } | |
132 | ||
133 | f->real_file_size = bytes; | |
53cdc686 JA |
134 | return 0; |
135 | } | |
136 | ||
137 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
138 | { | |
139 | int ret = 0; | |
140 | ||
7bb48f84 JA |
141 | if (f->filetype == FIO_TYPE_FILE) |
142 | ret = file_size(td, f); | |
143 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
144 | ret = bdev_size(td, f); |
145 | else | |
146 | f->real_file_size = -1; | |
147 | ||
148 | if (ret) | |
149 | return ret; | |
150 | ||
151 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 152 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
153 | return 1; |
154 | } | |
155 | ||
53cdc686 JA |
156 | return 0; |
157 | } | |
158 | ||
e5b401d4 JA |
159 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
160 | { | |
161 | int ret = 0; | |
162 | ||
2dc1bbeb | 163 | if (td->o.odirect) |
b5af8293 JA |
164 | return 0; |
165 | ||
e5b401d4 JA |
166 | /* |
167 | * FIXME: add blockdev flushing too | |
168 | */ | |
b5af8293 | 169 | if (f->mmap) |
7bb48f84 | 170 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
467d1b6b | 171 | else if (f->filetype == FIO_TYPE_FILE) |
7bb48f84 | 172 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 173 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 174 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 JA |
175 | if (ret < 0 && errno == EACCES && geteuid()) { |
176 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
177 | ret = 0; | |
178 | } | |
179 | } else if (f->filetype == FIO_TYPE_CHAR) | |
e5b401d4 JA |
180 | ret = 0; |
181 | ||
182 | if (ret < 0) { | |
e1161c32 | 183 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
184 | return 1; |
185 | } | |
186 | ||
ad2da605 | 187 | return ret; |
e5b401d4 JA |
188 | } |
189 | ||
b5af8293 | 190 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 191 | { |
b5af8293 JA |
192 | close(f->fd); |
193 | f->fd = -1; | |
53cdc686 JA |
194 | } |
195 | ||
b5af8293 | 196 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 197 | { |
53cdc686 JA |
198 | int flags = 0; |
199 | ||
2dc1bbeb | 200 | if (td->o.odirect) |
2fd233b7 | 201 | flags |= OS_O_DIRECT; |
2dc1bbeb | 202 | if (td->o.sync_io) |
2fd233b7 | 203 | flags |= O_SYNC; |
53cdc686 | 204 | |
2fd233b7 JA |
205 | if (td_write(td) || td_rw(td)) { |
206 | flags |= O_RDWR; | |
53cdc686 | 207 | |
af52b345 | 208 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 209 | flags |= O_CREAT; |
2fd233b7 | 210 | |
b5af8293 | 211 | f->fd = open(f->file_name, flags, 0600); |
2fd233b7 | 212 | } else { |
af52b345 | 213 | if (f->filetype == FIO_TYPE_CHAR) |
2fd233b7 JA |
214 | flags |= O_RDWR; |
215 | else | |
216 | flags |= O_RDONLY; | |
217 | ||
b5af8293 | 218 | f->fd = open(f->file_name, flags); |
53cdc686 JA |
219 | } |
220 | ||
221 | if (f->fd == -1) { | |
e4e33258 | 222 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
223 | int __e = errno; |
224 | ||
e4e33258 JA |
225 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
226 | ||
227 | td_verror(td, __e, buf); | |
53cdc686 JA |
228 | } |
229 | ||
b5af8293 JA |
230 | if (get_file_size(td, f)) |
231 | goto err; | |
232 | ||
53cdc686 | 233 | return 0; |
b5af8293 JA |
234 | err: |
235 | close(f->fd); | |
236 | return 1; | |
237 | } | |
238 | ||
21972cde JA |
239 | int open_files(struct thread_data *td) |
240 | { | |
241 | struct fio_file *f; | |
af52b345 JA |
242 | unsigned int i; |
243 | int err = 0; | |
21972cde JA |
244 | |
245 | for_each_file(td, f, i) { | |
b5af8293 | 246 | err = td_io_open_file(td, f); |
21972cde JA |
247 | if (err) |
248 | break; | |
b5af8293 | 249 | |
2dc1bbeb | 250 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 251 | break; |
21972cde JA |
252 | } |
253 | ||
7abf833d JA |
254 | if (!err) |
255 | return 0; | |
256 | ||
bdb4e2e9 | 257 | for_each_file(td, f, i) |
b5af8293 | 258 | td_io_close_file(td, f); |
7abf833d | 259 | |
21972cde JA |
260 | return err; |
261 | } | |
262 | ||
7bb48f84 JA |
263 | /* |
264 | * open/close all files, so that ->real_file_size gets set | |
265 | */ | |
000b0803 | 266 | static void get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
267 | { |
268 | struct fio_file *f; | |
269 | unsigned int i; | |
7bb48f84 JA |
270 | |
271 | for_each_file(td, f, i) { | |
000b0803 | 272 | if (td->io_ops->open_file(td, f)) { |
7bb48f84 JA |
273 | td->error = 0; |
274 | memset(td->verror, 0, sizeof(td->verror)); | |
000b0803 JA |
275 | } else |
276 | td->io_ops->close_file(td, f); | |
7bb48f84 | 277 | } |
7bb48f84 JA |
278 | } |
279 | ||
280 | /* | |
281 | * Open the files and setup files sizes, creating files if necessary. | |
282 | */ | |
53cdc686 JA |
283 | int setup_files(struct thread_data *td) |
284 | { | |
7bb48f84 | 285 | unsigned long long total_size, extend_size; |
53cdc686 | 286 | struct fio_file *f; |
af52b345 | 287 | unsigned int i; |
000b0803 | 288 | int err = 0, need_extend; |
53cdc686 JA |
289 | |
290 | /* | |
291 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
292 | * opening the files and setting f->real_file_size to indicate |
293 | * the valid range for that file. | |
53cdc686 JA |
294 | */ |
295 | if (td->io_ops->setup) | |
7bb48f84 JA |
296 | err = td->io_ops->setup(td); |
297 | else | |
000b0803 | 298 | get_file_sizes(td); |
53cdc686 | 299 | |
f1027063 JA |
300 | if (err) |
301 | return err; | |
302 | ||
0a7eb121 | 303 | /* |
7bb48f84 JA |
304 | * check sizes. if the files/devices do not exist and the size |
305 | * isn't passed to fio, abort. | |
0a7eb121 | 306 | */ |
7bb48f84 JA |
307 | total_size = 0; |
308 | for_each_file(td, f, i) { | |
309 | if (f->real_file_size == -1ULL) | |
310 | total_size = -1ULL; | |
311 | else | |
312 | total_size += f->real_file_size; | |
313 | } | |
0a7eb121 | 314 | |
7bb48f84 JA |
315 | /* |
316 | * device/file sizes are zero and no size given, punt | |
317 | */ | |
318 | if (!total_size && !td->o.size) { | |
319 | log_err("%s: you need to specify size=\n", td->o.name); | |
e1161c32 | 320 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
321 | return 1; |
322 | } | |
323 | ||
7bb48f84 JA |
324 | /* |
325 | * now file sizes are known, so we can set ->io_size. if size= is | |
326 | * not given, ->io_size is just equal to ->real_file_size. if size | |
327 | * is given, ->io_size is size / nr_files. | |
328 | */ | |
329 | extend_size = total_size = 0; | |
330 | need_extend = 0; | |
331 | for_each_file(td, f, i) { | |
332 | if (!td->o.file_size_low) { | |
333 | /* | |
334 | * no file size range given, file size is equal to | |
335 | * total size divided by number of files. if that is | |
336 | * zero, set it to the real file size. | |
337 | */ | |
338 | f->io_size = td->o.size / td->o.nr_files; | |
339 | if (!f->io_size) | |
340 | f->io_size = f->real_file_size; | |
341 | } else if (f->real_file_size < td->o.file_size_low || | |
342 | f->real_file_size > td->o.file_size_high) { | |
343 | /* | |
344 | * file size given. if it's fixed, use that. if it's a | |
345 | * range, generate a random size in-between. | |
346 | */ | |
347 | if (td->o.file_size_low == td->o.file_size_high) | |
348 | f->io_size = td->o.file_size_low; | |
349 | else | |
350 | f->io_size = get_rand_file_size(td); | |
351 | } else | |
352 | f->io_size = f->real_file_size; | |
53cdc686 | 353 | |
7bb48f84 JA |
354 | if (f->io_size == -1ULL) |
355 | total_size = -1ULL; | |
356 | else | |
357 | total_size += f->io_size; | |
358 | ||
359 | if (f->filetype == FIO_TYPE_FILE && | |
360 | f->io_size > f->real_file_size && | |
361 | !(td->io_ops->flags & FIO_DISKLESSIO)) { | |
362 | need_extend++; | |
363 | extend_size += f->io_size; | |
364 | f->flags |= FIO_FILE_EXTEND; | |
365 | } | |
366 | } | |
53cdc686 | 367 | |
7bb48f84 JA |
368 | if (!td->o.size) |
369 | td->o.size = total_size; | |
21972cde | 370 | |
7bb48f84 JA |
371 | /* |
372 | * See if we need to extend some files | |
373 | */ | |
374 | if (need_extend) { | |
375 | temp_stall_ts = 1; | |
376 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", | |
377 | td->o.name, need_extend, extend_size >> 20); | |
378 | ||
379 | for_each_file(td, f, i) { | |
380 | if (!(f->flags & FIO_FILE_EXTEND)) | |
381 | continue; | |
382 | ||
383 | f->flags &= ~FIO_FILE_EXTEND; | |
384 | f->real_file_size = f->io_size; | |
385 | err = extend_file(td, f); | |
386 | if (err) | |
387 | break; | |
388 | } | |
389 | temp_stall_ts = 0; | |
390 | } | |
391 | ||
392 | if (err) | |
393 | return err; | |
394 | ||
395 | if (!td->o.zone_size) | |
396 | td->o.zone_size = td->o.size; | |
397 | ||
398 | td->total_io_size = td->o.size * td->o.loops; | |
399 | return 0; | |
53cdc686 JA |
400 | } |
401 | ||
68727076 JA |
402 | int init_random_map(struct thread_data *td) |
403 | { | |
404 | int num_maps, blocks; | |
405 | struct fio_file *f; | |
406 | unsigned int i; | |
407 | ||
408 | if (td->o.norandommap) | |
409 | return 0; | |
410 | ||
411 | for_each_file(td, f, i) { | |
412 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; | |
413 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
414 | f->file_map = malloc(num_maps * sizeof(long)); | |
415 | if (!f->file_map) { | |
416 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
417 | return 1; | |
418 | } | |
419 | f->num_maps = num_maps; | |
420 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
421 | } | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
53cdc686 JA |
426 | void close_files(struct thread_data *td) |
427 | { | |
0ab8db89 | 428 | struct fio_file *f; |
af52b345 | 429 | unsigned int i; |
53cdc686 | 430 | |
0ab8db89 | 431 | for_each_file(td, f, i) { |
fa1da865 JA |
432 | if ((f->flags & FIO_FILE_UNLINK) && |
433 | f->filetype == FIO_TYPE_FILE) | |
132ad46d | 434 | unlink(f->file_name); |
bdb4e2e9 | 435 | |
b5af8293 | 436 | td_io_close_file(td, f); |
b3dc7f07 | 437 | |
fa1da865 JA |
438 | free(f->file_name); |
439 | f->file_name = NULL; | |
440 | ||
c343981b | 441 | if (f->file_map) { |
b3dc7f07 | 442 | free(f->file_map); |
c343981b JA |
443 | f->file_map = NULL; |
444 | } | |
53cdc686 | 445 | } |
b4a6a59a | 446 | |
2dc1bbeb | 447 | td->o.filename = NULL; |
cade3ef4 | 448 | free(td->files); |
b4a6a59a | 449 | td->files = NULL; |
2dc1bbeb | 450 | td->o.nr_files = 0; |
53cdc686 | 451 | } |
af52b345 | 452 | |
e3bab463 | 453 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
454 | { |
455 | struct stat sb; | |
456 | ||
457 | f->filetype = FIO_TYPE_FILE; | |
458 | ||
e3bab463 | 459 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
460 | if (S_ISBLK(sb.st_mode)) |
461 | f->filetype = FIO_TYPE_BD; | |
462 | else if (S_ISCHR(sb.st_mode)) | |
463 | f->filetype = FIO_TYPE_CHAR; | |
464 | } | |
465 | } | |
466 | ||
467 | void add_file(struct thread_data *td, const char *fname) | |
468 | { | |
7b4e4fe5 | 469 | int cur_files = td->files_index; |
bd0ee748 | 470 | char file_name[PATH_MAX]; |
af52b345 | 471 | struct fio_file *f; |
bd0ee748 | 472 | int len = 0; |
af52b345 JA |
473 | |
474 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); | |
475 | ||
476 | f = &td->files[cur_files]; | |
477 | memset(f, 0, sizeof(*f)); | |
478 | f->fd = -1; | |
bd0ee748 JA |
479 | |
480 | if (td->o.directory) | |
481 | len = sprintf(file_name, "%s/", td->o.directory); | |
482 | ||
483 | sprintf(file_name + len, "%s", fname); | |
484 | f->file_name = strdup(file_name); | |
af52b345 | 485 | |
e3bab463 | 486 | get_file_type(f); |
af52b345 | 487 | |
7b4e4fe5 | 488 | td->files_index++; |
1549441c JA |
489 | if (f->filetype == FIO_TYPE_FILE) |
490 | td->nr_normal_files++; | |
af52b345 | 491 | } |
0ad920e7 JA |
492 | |
493 | void get_file(struct fio_file *f) | |
494 | { | |
495 | f->references++; | |
496 | } | |
497 | ||
498 | void put_file(struct thread_data *td, struct fio_file *f) | |
499 | { | |
500 | if (!(f->flags & FIO_FILE_OPEN)) | |
501 | return; | |
502 | ||
503 | assert(f->references); | |
504 | if (--f->references) | |
505 | return; | |
506 | ||
2dc1bbeb | 507 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
508 | fsync(f->fd); |
509 | ||
0ad920e7 JA |
510 | if (td->io_ops->close_file) |
511 | td->io_ops->close_file(td, f); | |
512 | td->nr_open_files--; | |
513 | f->flags &= ~FIO_FILE_OPEN; | |
514 | } | |
bbf6b540 JA |
515 | |
516 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
517 | { | |
518 | struct dirent *dir; | |
519 | int ret = 0; | |
520 | DIR *D; | |
521 | ||
522 | D = opendir(dirname); | |
523 | if (!D) { | |
0ddb270c JA |
524 | char buf[FIO_VERROR_SIZE]; |
525 | ||
526 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
527 | td_verror(td, errno, buf); | |
bbf6b540 JA |
528 | return 1; |
529 | } | |
530 | ||
531 | while ((dir = readdir(D)) != NULL) { | |
532 | char full_path[PATH_MAX]; | |
533 | struct stat sb; | |
534 | ||
e85b2b83 JA |
535 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
536 | continue; | |
96d32d51 | 537 | |
bbf6b540 JA |
538 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
539 | ||
540 | if (lstat(full_path, &sb) == -1) { | |
541 | if (errno != ENOENT) { | |
542 | td_verror(td, errno, "stat"); | |
543 | return 1; | |
544 | } | |
545 | } | |
546 | ||
547 | if (S_ISREG(sb.st_mode)) { | |
548 | add_file(td, full_path); | |
2dc1bbeb | 549 | td->o.nr_files++; |
bbf6b540 JA |
550 | continue; |
551 | } | |
0ddb270c JA |
552 | if (!S_ISDIR(sb.st_mode)) |
553 | continue; | |
bbf6b540 | 554 | |
bbf6b540 JA |
555 | if ((ret = recurse_dir(td, full_path)) != 0) |
556 | break; | |
557 | } | |
558 | ||
559 | closedir(D); | |
560 | return ret; | |
561 | } | |
562 | ||
563 | int add_dir_files(struct thread_data *td, const char *path) | |
564 | { | |
0ddb270c JA |
565 | int ret = recurse_dir(td, path); |
566 | ||
567 | if (!ret) | |
568 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
569 | ||
570 | return ret; | |
bbf6b540 | 571 | } |
cade3ef4 JA |
572 | |
573 | void dup_files(struct thread_data *td, struct thread_data *org) | |
574 | { | |
575 | struct fio_file *f; | |
576 | unsigned int i; | |
577 | size_t bytes; | |
578 | ||
579 | if (!org->files) | |
580 | return; | |
581 | ||
582 | bytes = org->files_index * sizeof(*f); | |
583 | td->files = malloc(bytes); | |
584 | memcpy(td->files, org->files, bytes); | |
585 | ||
586 | for_each_file(td, f, i) { | |
587 | if (f->file_name) | |
588 | f->file_name = strdup(f->file_name); | |
589 | } | |
590 | } |