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V3545. AUTOSAR. Operands of the logical…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
Customer specific requests (C++)
MISRA errors
AUTOSAR errors
OWASP errors (C#)
Problems related to code analyzer
Additional information
Contents

V3545. AUTOSAR. Operands of the logical '&&' or the '||' operators, the '!' operator should have 'bool' type.

Mar 03 2021

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

Using the logical operators '!', '&&', and '||' with variables of a type other than 'bool' is pointless; it does not seem to be the intended behavior and may be a sign of a mistake. The programmer probably intended to use a bitwise operator ('&', '|', or '~').

Example of non-compliant code:

void Foo(int x, int y, int z)
{
  if ((x + y) && z)
  {
    ....
  }
}

void Bar(int *x)
{
  if (!x)
  {
    ....
  }
}

Fixed code:

void Foo(int x, int y, int z)
{
  if ((x + y) & z)
  {
    ....
  }
}

void Foo(int x, int y, int z)
{
  if ((x < y) && (y < z))
  {
    ....
  }
}

void Bar(int *x)
{
  if (x == NULL)
  {
    ....
  }
}

This diagnostic is classified as:

  • AUTOSAR-M5.3.1
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