[previous] 4414 [next] An expression of 'essentially character' type (%1s) is being converted to unsigned type, '%2s' on assignment.
Arithmetic type - Assignment

This message is issued whenever an expression of essentially character type undergoes an assigning conversion to an unsigned integer type.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 4414 --*/

void foo (unsigned b);

unsigned f4414 (char a)
{
  unsigned uia = a;         /* 4414 */

  foo (a + 1);              /* 4414 */

  uia = (a - 1);            /* 4414 */

  return a;                 /* 4414 */
}

QA·C Source Code Analyser 8.1.2
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