[previous] 4401 [next] An expression of 'essentially Boolean' type (%1s) is being converted to character type, '%2s' on assignment.
Arithmetic type - Assignment

This message is issued whenever an expression of essentially Boolean type undergoes an assigning conversion to plain char type.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 4401 --*/

void foo (char b);

char f4401 (int a)
{
  char pca = (a != 0);      /* 4401 */

  foo (a < 0);              /* 4401 */

  pca = (a < 0);            /* 4401 */

  return (a == 0);          /* 4401 */
}

MISRA C:2012 Rules applicable to message 4401:

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
© 2012 Programming Research.
www.programmingresearch.com 		Personality Groups | Glossary | Message Index | MISRA C:2012 Rule Index Contents