| 343 |
|
|
| 344 |
|
/* |
| 345 |
|
* Read "length" bytes from file to "buffer", |
| 346 |
< |
* returns number of bytes read (or 0) |
| 346 |
> |
* returns number of bytes read (or -1 on error) |
| 347 |
|
*/ |
| 348 |
|
|
| 349 |
< |
size_t extfs_read(int fd, void *buffer, size_t length) |
| 349 |
> |
ssize_t extfs_read(int fd, void *buffer, size_t length) |
| 350 |
|
{ |
| 351 |
– |
errno = 0; |
| 351 |
|
return read(fd, buffer, length); |
| 352 |
|
} |
| 353 |
|
|
| 354 |
|
|
| 355 |
|
/* |
| 356 |
|
* Write "length" bytes from "buffer" to file, |
| 357 |
< |
* returns number of bytes written (or 0) |
| 357 |
> |
* returns number of bytes written (or -1 on error) |
| 358 |
|
*/ |
| 359 |
|
|
| 360 |
< |
size_t extfs_write(int fd, void *buffer, size_t length) |
| 360 |
> |
ssize_t extfs_write(int fd, void *buffer, size_t length) |
| 361 |
|
{ |
| 363 |
– |
errno = 0; |
| 362 |
|
return write(fd, buffer, length); |
| 363 |
|
} |
| 364 |
|
|
| 365 |
|
|
| 366 |
+ |
/* |
| 367 |
+ |
* Remove file/directory (and associated helper files), |
| 368 |
+ |
* returns false on error (and sets errno) |
| 369 |
+ |
*/ |
| 370 |
+ |
|
| 371 |
+ |
bool extfs_remove(const char *path) |
| 372 |
+ |
{ |
| 373 |
+ |
// Remove helpers first, don't complain if this fails |
| 374 |
+ |
char helper_path[MAX_PATH_LENGTH]; |
| 375 |
+ |
make_helper_path(path, helper_path, ".finf/", false); |
| 376 |
+ |
remove(helper_path); |
| 377 |
+ |
make_helper_path(path, helper_path, ".rsrc/", false); |
| 378 |
+ |
remove(helper_path); |
| 379 |
+ |
|
| 380 |
+ |
// Now remove file or directory (and helper directories in the directory) |
| 381 |
+ |
if (remove(path) < 0) { |
| 382 |
+ |
if (errno == EISDIR || errno == ENOTEMPTY) { |
| 383 |
+ |
helper_path[0] = 0; |
| 384 |
+ |
strncpy(helper_path, path, MAX_PATH_LENGTH-1); |
| 385 |
+ |
add_path_component(helper_path, ".finf"); |
| 386 |
+ |
rmdir(helper_path); |
| 387 |
+ |
helper_path[0] = 0; |
| 388 |
+ |
strncpy(helper_path, path, MAX_PATH_LENGTH-1); |
| 389 |
+ |
add_path_component(helper_path, ".rsrc"); |
| 390 |
+ |
rmdir(helper_path); |
| 391 |
+ |
return rmdir(path) == 0; |
| 392 |
+ |
} else |
| 393 |
+ |
return false; |
| 394 |
+ |
} |
| 395 |
+ |
return true; |
| 396 |
+ |
} |
| 397 |
+ |
|
| 398 |
+ |
|
| 399 |
+ |
/* |
| 400 |
+ |
* Rename/move file/directory (and associated helper files), |
| 401 |
+ |
* returns false on error (and sets errno) |
| 402 |
+ |
*/ |
| 403 |
+ |
|
| 404 |
+ |
bool extfs_rename(const char *old_path, const char *new_path) |
| 405 |
+ |
{ |
| 406 |
+ |
// Rename helpers first, don't complain if this fails |
| 407 |
+ |
char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH]; |
| 408 |
+ |
make_helper_path(old_path, old_helper_path, ".finf/", false); |
| 409 |
+ |
make_helper_path(new_path, new_helper_path, ".finf/", false); |
| 410 |
+ |
create_helper_dir(new_path, ".finf/"); |
| 411 |
+ |
rename(old_helper_path, new_helper_path); |
| 412 |
+ |
make_helper_path(old_path, old_helper_path, ".rsrc/", false); |
| 413 |
+ |
make_helper_path(new_path, new_helper_path, ".rsrc/", false); |
| 414 |
+ |
create_helper_dir(new_path, ".rsrc/"); |
| 415 |
+ |
rename(old_helper_path, new_helper_path); |
| 416 |
+ |
|
| 417 |
+ |
// Now rename file |
| 418 |
+ |
return rename(old_path, new_path) == 0; |
| 419 |
+ |
} |
| 420 |
+ |
|
| 421 |
+ |
|
| 422 |
|
/* |
| 423 |
|
* ftruncate() is missing from libnix |
| 424 |
|
*/ |
