iox-#2052 Implement move/copy constructor and assignment for FixedPositionContainer

iceoryx_dust/container/include/iox/detail/fixed_position_container.inl

@@ -29,18 +29,7 @@ namespace iox
 template <typename T, uint64_t CAPACITY>
 inline FixedPositionContainer<T, CAPACITY>::FixedPositionContainer() noexcept
 {
-    for (IndexType i = 0; i < CAPACITY;)
-    {
-        m_status[i] = SlotStatus::FREE;
-
-        IndexType next = static_cast<IndexType>(i + 1U);
-        m_next[i] = next;
-        i = next;
-    }
-    m_next[Index::LAST] = Index::INVALID;
-
-    m_begin_free = Index::FIRST;
-    m_begin_used = Index::INVALID;
+    reset_member();
 }
 
 template <typename T, uint64_t CAPACITY>
@@ -58,12 +47,14 @@ inline FixedPositionContainer<T, CAPACITY>::~FixedPositionContainer() noexcept
 template <typename T, uint64_t CAPACITY>
 inline FixedPositionContainer<T, CAPACITY>::FixedPositionContainer(const FixedPositionContainer& rhs) noexcept
 {
+    reset_member();
     *this = rhs;
 }
 
 template <typename T, uint64_t CAPACITY>
 inline FixedPositionContainer<T, CAPACITY>::FixedPositionContainer(FixedPositionContainer&& rhs) noexcept
 {
+    reset_member();
     *this = std::move(rhs);
 }
 
@@ -175,6 +166,23 @@ inline void FixedPositionContainer<T, CAPACITY>::copy_and_move_impl(RhsType&& rh
     m_size = rhs.m_size;
 }
 
+template <typename T, uint64_t CAPACITY>
+inline void FixedPositionContainer<T, CAPACITY>::reset_member() noexcept
+{
+    for (IndexType i = 0; i < CAPACITY;)
+    {
+        m_status[i] = SlotStatus::FREE;
+
+        IndexType next = static_cast<IndexType>(i + 1U);
+        m_next[i] = next;
+        i = next;
+    }
+    m_next[Index::LAST] = Index::INVALID;
+
+    m_begin_free = Index::FIRST;
+    m_begin_used = Index::INVALID;
+}
+
 template <typename T, uint64_t CAPACITY>
 inline void FixedPositionContainer<T, CAPACITY>::clear() noexcept
 {

iceoryx_dust/container/include/iox/fixed_position_container.hpp

@@ -317,6 +317,10 @@ class FixedPositionContainer final
         IndexType m_index;
     };
 
+  private:
+    /// @brief Initialize member variables to prevent undefined or erroneous values.
+    void reset_member() noexcept;
+
     template <typename RhsType>
     void copy_and_move_impl(RhsType&& rhs) noexcept;