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xo-arena: memory checks in DArenaVector::push_back()

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This commit is contained in:
Roland Conybeare 2026-01-15 13:42:20 -05:00
commit c65819d3eb
1 changed files with 11 additions and 9 deletions
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20
include/xo/arena/DArenaVector.hpp
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@ -296,25 +296,27 @@ namespace xo {
size_type z = size_ + 1;
size_type req_z = z * sizeof(T);
this->store_.expand(req_z);
if (this->store_.expand(req_z)) {
T * addr = this->_address_of(size_);
T * addr = this->_address_of(size_);
new (addr) T{std::move(x)};
new (addr) T{std::move(x)};
this->size_ = z;
this->size_ = z;
}
}
template <typename T>
void
DArenaVector<T>::push_back(const T & x) {
size_type z = size_ + 1;
store_.expand(z * sizeof(T));
T * addr = this->_address_of(size_);
new (addr) T{x};
if (this->store_.expand(z * sizeof(T))) {
T * addr = this->_address_of(size_);
size_ = z;
new (addr) T{x};
this->size_ = z;
}
}
template <typename T>