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V3527. AUTOSAR. The return value of non…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
MISRA errors
AUTOSAR errors
OWASP errors (C#)
Additional information
Contents

V3527. AUTOSAR. The return value of non-void function should be used.

Mar 03 2021

This diagnostic rule is based on the software development guidelines developed by AUTOSAR (AUTomotive Open System ARchitecture).

It is possible to call a non-void function without using its return value afterward. There could be an error behind such behavior.

Values returned by non-void functions must always be used. Example of non-compliant code:

int Foo(int x)
{
  return x + x;
}

void Bar(int x)
{
  Foo(x);
}

If the loss of the return value was planned by the developer, it can be cast to the type 'void'. Example of compliant code:

void Bar(int x)
{
  (void)Foo(x);
}

This diagnostic is classified as:

  • AUTOSAR-A0.1.2
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