int mdbox_file_assign_file_id(struct mdbox_file *file, uint32_t file_id)
{
struct stat st;
const char *old_path;
const char *new_dir, *new_fname, *new_path;
i_assert(file->file_id == 0);
i_assert(file_id != 0);
old_path = file->file.cur_path;
new_fname = t_strdup_printf(MDBOX_MAIL_FILE_FORMAT, file_id);
new_dir = !dbox_file_is_in_alt(&file->file) ?
file->storage->storage_dir : file->storage->alt_storage_dir;
new_path = t_strdup_printf("%s/%s", new_dir, new_fname);
if (stat(new_path, &st) == 0) {
mail_storage_set_critical(&file->file.storage->storage,
"mdbox: %s already exists, rebuilding index", new_path);
mdbox_storage_set_corrupted(file->storage);
return -1;
}
if (rename(old_path, new_path) < 0) {
mail_storage_set_critical(&file->storage->storage.storage,
"rename(%s, %s) failed: %m",
old_path, new_path);
return -1;
}
mdbox_file_init_paths(file, new_fname,
dbox_file_is_in_alt(&file->file));
file->file_id = file_id;
array_append(&file->storage->open_files, &file, 1);
return 0;
}
static int mdbox_file_create(struct mdbox_file *file)
{
struct dbox_file *_file = &file->file;
bool create_parents;
int ret;
create_parents = dbox_file_is_in_alt(_file);
_file->fd = _file->storage->v.
file_create_fd(_file, _file->cur_path, create_parents);
if (_file->fd == -1)
return -1;
if (file->storage->preallocate_space) {
ret = file_preallocate(_file->fd,
file->storage->set->mdbox_rotate_size);
if (ret < 0) {
switch (errno) {
case ENOSPC:
case EDQUOT:
/* ignore */
break;
default:
i_error("file_preallocate(%s) failed: %m",
_file->cur_path);
break;
}
} else if (ret == 0) {
/* not supported by filesystem, disable. */
file->storage->preallocate_space = FALSE;
}
}
return 0;
}
