[previous] 4434 [next] A non-constant expression of 'essentially signed' type (%1s) is being converted to unsigned type, '%2s' on assignment.
Arithmetic type - Assignment

This message is issued whenever a non-constant expression of essentially signed type undergoes an assigning conversion to an unsigned integer type.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 4434 --*/

void foo (unsigned b);

unsigned f4434 (short a)
{
  unsigned uia = a;         /* 4434 */

  foo (a + 1);              /* 4434 */

  uia = (a - 1);            /* 4434 */

  return a;                 /* 4434 */
}

MISRA C:2012 Rules applicable to message 4434:

Rule-10.3  (Required) The value of an expression shall not be assigned to an object with a narrower essential type or of a different essential type category.

QA·C Source Code Analyser 8.1
MISRA C:2012 Compliance Module 1.0
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