roland/xo-reader2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source
This commit is contained in:
Roland Conybeare 2026-01-15 13:42:20 -05:00
commit 2d58d22a72
1 changed files with 11 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

20
xo-arena/include/xo/arena/DArenaVector.hpp
View file

@ -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>