autosar-pdf-examples/A12-0-2.cpp at main · cppchecksolutions/autosar-pdf-examples · GitHub

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// Rule: A12-0-2
// Source line: 16744
// Original file: A12-0-2.cpp

// $Id: A12-0-2.cpp 305629 2018-01-29 13:29:25Z piotr.serwa $
//
#include <cstdint>
#include <cstring>


class A
{
public:
    A() = default;
    A(uint8_t c, uint32_t i, int8_t d, int32_t h) : c(c), i(i), d(d), h(h) {}


    bool operator==(const A& rhs) const noexcept
    {
        return c==rhs.c && i==rhs.i && d==rhs.d && h==rhs.h;
    }


private:
    uint8_t c;
    uint32_t i;
    int8_t d;
    int32_t h;
};


int main(void)
{
    A noninit;


//setting field c
    std::memset(&noninit, 3, 1); //non-compliant
//setting field i
    std::memset(((uint8_t*)&noninit)+sizeof(uint8_t)+3, 5, 1);

//non-compliant


    A init(3, 5, 7, 9); //compliant


    if (noninit == init) //compliant


    {}


    if (0 == std::memcmp(&noninit, &init, sizeof(init)))
    { //non-compliant, includes padding bytes


    }


    return 0;


}