space = MIN(src_size * 2, dst_max ?: (uint64_t) -1);
if (!greedy_realloc(dst, dst_alloc_size, space, 1))
- return false;
+ return -ENOMEM;
s.next_in = src;
s.avail_in = src_size;
used = space - s.avail_out;
space = MIN(2 * space, dst_max ?: (uint64_t) -1);
if (!greedy_realloc(dst, dst_alloc_size, space, 1))
- return false;
+ return -ENOMEM;
s.avail_out = space - used;
s.next_out = *dst + used;