Bug Finder report for autosar violation 5-0-15.

Hi,

I am facing a violation in a line of my C++ code, where the function is returning a pointer to a structure and i am indexing the returned pointer as below:

f(x)[0].value;

The AUTOSAR violation states the "array indexing is the only form of pointer arithmetic".

Is the reason for violation because we are returning a structure pointer inside of f(x)? and not a array pointer?

Regards

Kunal

Answer 1

[Srija Kethiri]

Hi Kunal,

The reason is, structure pointer violates the following compliance rules of ANSI C:

17.1 (required): Pointer arithmetic shall only be applied to pointers that address an array or array element.

17.4 (required): Array indexing shall be the only allowed form of pointer arithmetic.

Therefore, the solution to this issue is to use the "-allow-ptr-arith-on-struct" option and treat the orange as safe.

Hope this helps!