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#include "pool.hh"
#include "scoped.hh"
#include <cstdlib>
#include <algorithm>
namespace util {
Pool::Pool() {
current_ = NULL;
current_end_ = NULL;
}
Pool::~Pool() {
FreeAll();
}
void Pool::FreeAll() {
for (std::vector<void *>::const_iterator i(free_list_.begin()); i != free_list_.end(); ++i) {
free(*i);
}
free_list_.clear();
current_ = NULL;
current_end_ = NULL;
}
void *Pool::More(std::size_t size) {
std::size_t amount = std::max(static_cast<size_t>(32) << free_list_.size(), size);
uint8_t *ret = static_cast<uint8_t*>(MallocOrThrow(amount));
free_list_.push_back(ret);
current_ = ret + size;
current_end_ = ret + amount;
return ret;
}
} // namespace util