[previous] 4304 [next] An expression of 'essentially Boolean' type (%1s) is being cast to unsigned type '%2s'.
Arithmetic type - Casts

This message is issued whenever an expression of essentially Boolean type has been cast to an unsigned integer type.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 4304 --*/

void foo (unsigned c);

unsigned f4304 (int a, _Bool b)
{
  foo ((unsigned) (a < 0)); /* 4304 */

  return ((unsigned) b);    /* 4304 */
}

QA·C Source Code Analyser 8.1.2
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