-int allocate_mark_pool(int from, int to, Config *config)
-{
- int pool_index = -1;
-
- // Reuse mark pools if an identical one exists.
- // Otherwise, check if we're overlapping some other mark pool.
- for (size_t i = 0; i < config->mark_pools.size(); ++i) {
- const MarkPoolConfig &pool = config->mark_pools[i];
- if (from == pool.from && to == pool.to) {
- pool_index = i;
- } else if ((from >= pool.from && from < pool.to) ||
- (to >= pool.from && to < pool.to)) {
- log(WARNING, "Mark pool %d-%d partially overlaps with %d-%d, you may get duplicate marks."
- "Mark pools must either be completely disjunct, or completely overlapping.",
- from, to, pool.from, pool.to);
- }
- }
-
- if (pool_index != -1) {
- return pool_index;
- }
-
- // No match to existing pools.
- MarkPoolConfig pool;
- pool.from = from;
- pool.to = to;
- config->mark_pools.push_back(pool);
-
- return config->mark_pools.size() - 1;
-}
-
-bool parse_mark_pool(const string &mark_str, int *from, int *to)
-{
- size_t split = mark_str.find_first_of('-');
- if (split == string::npos) {
- log(ERROR, "Invalid mark specification '%s' (expected 'X-Y').",
- mark_str.c_str());
- return false;
- }
-
- string from_str(mark_str.begin(), mark_str.begin() + split);
- string to_str(mark_str.begin() + split + 1, mark_str.end());
- *from = atoi(from_str.c_str());
- *to = atoi(to_str.c_str());
-
- if (*from <= 0 || *from >= 65536 || *to <= 0 || *to >= 65536) {
- log(ERROR, "Mark pool range %d-%d is outside legal range [1,65536>.",
- *from, *to);
- return false;
- }
-
- return true;
-}
-