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If a function pointer is set to refer to an incompatible function , invoking that function via the pointer may cause unexpected data to be taken from the process stack. As a result, unexpected data may be accessed by the called function \[[DCL35-C. Do not convert a function pointer to a function of an incompatible type]\]. |
Non-Compliant Code Example: (function pointers)
In this example, the function pointer fn_ptr is set to refer to the function add(), which accepts three integer arguments. However, fn_ptr is specified to accept two integer arguments. Setting fn_ptr to refer to add() results in an unexpected program behavior.
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