size_t
varyad_push(struct varyad **v, void *data, size_t size, int realloc)
{
if (_avail(*v) < size + sizeof(size_t)) {
if (!realloc) {
errno = ENOMEM;
return 0;
} else {
struct varyad *const tmp = _realloc(*v);
if (!tmp) {
return 0;
} else {
*v = tmp;
}
}
}
const size_t off = (*v)->rank ? _size(*v, (*v)->rank-1) : 0;
memcpy(_head(*v) + off, data, size);
_set_size(*v, (*v)->rank++, off + size);
return (*v)->size;
}
void UfsFileBase::set_size(offset_type newsize) {
std::unique_lock<std::mutex> fd_lock(fd_mutex_);
return _set_size(newsize);
}
