[previous] 4507 [next] An expression of 'essentially Boolean' type (%1s) is being used as the operand of this increment/decrement operator (%2s).
Arithmetic type - Operands

This message is issued whenever an expression of essentially Boolean type has been used as the operand of an increment or decrement operator in either the prefix or postfix forms.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 4507 --*/

void f4507 (_Bool a)
{
  ++a;                      /* 4507 */

  a--;                      /* 4507 */
}

QA·C Source Code Analyser 8.1.2
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