boost::interprocess::managed_shared_memory::belongs_to_segment returns incorrect value.

[Lénaïc Huard <lhuard@…>]

Hello,

It seems that boost::interprocess::managed_shared_memory::belongs_to_segment implementation is not correct. It returns true for chunks of memory that don't belong to the shared memory segment providing it's lying at a higher address.

Looking at ​https://svn.boost.org/trac/boost/browser/trunk/boost/interprocess/detail/managed_memory_impl.hpp shows:

262

!Returns true if the address belongs to the managed memory segment

263

bool belongs_to_segment (const void *ptr) const

264

{

265

return ptr >= this->get_address() &&

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ptr < (reinterpret_cast<const char*>(ptr) + this->get_size());

267

}

It would be more logical to have:

!Returns true if the address belongs to the managed memory segment bool belongs_to_segment (const void *ptr) const {

return ptr >= this->get_address() &&

ptr < (reinterpret_cast<const char *>(this->get_address()) + this->get_size());

}

[Lénaïc Huard <lhuard@…>]

Implemented in 1.41.