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What is the wrong in the following c code ? MISRA quality warning message

By : Ahir Verma
Date : August 01 2020, 04:00 AM
To fix this issue I am getting MISRA QAC warning for the following code sample snippet. That is 'Value of control expression is not derived from an explicit logical operation.' , Your code has the following MISRA-C:2012 violations:
code :
bool fun1 (void); /* you must declare the function before using it and it must use void */


  /*statement1*/   /* Note that you can't use // comments in C90 or MISRA-C:2004 */


bool fun1 (void) /* must use void */
  /* return is not a controlling expression, no need for compound statements.
     No need to cast, the result of && is essentially boolean.
     MISRA-C:2004 has no requirement to cast to underlying type if using booleans.
  return Global_variable1 && Global_Variable2;

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How to fix MISRA warning: MISRA 18.4 (C90-2012 adv.)

Date : March 29 2020, 07:55 AM
To fix this issue MISRA makes a difference between pointer and array types of a parameter. If you want to use array indices, your function header should look like
code :
int8u my_api(uint8_t a1[], uint8_t a2[], uint8_t a3[])

Is it possible to suppress MISRA warning in QA-C

By : Miichelle Rezende
Date : March 29 2020, 07:55 AM
like below fixes the issue I used: , You can add a comment above the line where there is a warning e.g.
code :
/* PRQA S 0434*/ 

How to resolve this MISRA c++ compliant warning

By : Amalia M Ersa
Date : March 29 2020, 07:55 AM
will help you First thing to note is that int foo(const uint8_t array[]) is equivalent to int foo(const uint8_t* array), i.e. the function takes a pointer to a const uint8_t, not an array. The pointer itself it not const, the pointee is. The signature should be:

How to resolve this MISRA warning: C++

By : Jessica King
Date : March 29 2020, 07:55 AM
To fix the issue you can do Here is the code as below: , Do what the warning says: take the address of the function:

Selecting Guidelines : MISRA 1998 or MISRA 2004 or MISRA 2012?

By : SlimJimmy
Date : March 29 2020, 07:55 AM
To fix this issue This is often a requirement from the area of application. You'll have safety standards dictating that a safe subset of the programming language is used. This requirement can come from the "SIL" standards such as industry IEC 61508, automotive IEC 26262, aerospace DO-178 and so on. In such mission critical systems, you may not have any other choice than to use MISRA-C.
But MISRA-C is also becoming industry standard for all embedded systems, no matter their nature. The reason why is obvious: nobody, no matter area of application, likes bad, low-quality software full of bugs.
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