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A12-8-5.cpp
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98 lines (65 loc) · 1.25 KB
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// Rule: A12-8-5
// Source line: 18797
// Original file: A12-8-5.cpp
// $Id: A12-8-5.cpp 271773 2017-03-23 13:16:53Z piotr.tanski $
#include <cstdint>
#include <stdexcept>
struct A
{
std::int32_t number;
std::int32_t* ptr;
// Implementation
};
class B
{
public:
// ...
B& operator=(B const& oth) // Non-compliant
{
i = oth.i;
delete aPtr;
try
{
aPtr = new A(*oth.aPtr);
// If this is the self-copy case, then
// the oth.a_ptr is already deleted
}
catch (std::bad_alloc&)
{
aPtr = nullptr;
}
return *this;
}
private:
std::int16_t i = 0;
A* aPtr = nullptr;
};
class C
{
public:
C& operator=(C const& oth) // Compliant
{
if (this != &oth)
{
A* tmpPtr = new A(*oth.aPtr);
i = oth.i;
delete aPtr;
aPtr = tmpPtr;
}
return *this;
}
C& operator=(C&& oth) // Compliant
{
if (this != &oth)
{
A* tmpPtr = new A{std::move(*oth.aPtr)};
i = oth.i;
delete aPtr;
aPtr = tmpPtr;
}
return *this;
}
private:
std::int16_t i = 0;
A* aPtr = nullptr;
};