[previous] 1843 [next] The %1s operand is constant, 'essentially signed' (%2s) and non-negative but will be implicitly converted to an unsigned type (%3s) in this equality operation.
Arithmetic type - Balancing

This message is issued whenever a constant expression of essentially signed type with a non-negative value has been used as an operand of an equality operator, and undergoes a usual arithmetic conversion to an unsigned integer type (the type of the other operand).

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 1843 --*/

void f1843 (unsigned b)
{
  if (b == 1)               /* 1843 */
  {
  }

  if ((2 - 1) != b)         /* 1843 */
  {
  }
}

QA·C Source Code Analyser 8.1.2
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