1403			An enum constant is being returned from a function with a different enum return type.
	Arithmetic type - Enum types				REFERENCE - ISO:C90-6.5.2.2 Enumeration Specifiers

• Message 1461 is generated if the value happens to correspond to the bitwise inclusive OR (|) of some of the enumeration constants
• In all other cases message 1317 is generated.

/*PRQA S 1277,2006,2017,2201,2203,3198,3227,3408,3447,3448,3602 ++*/

typedef enum tree
{
    fir   = 0x0001,
    cedar = 0x0002,
    maple = 0x0004,
    pine  = 0x0008 } TREE;

enum color
{
    red   = 0x0001,
    white = 0x0002,
    black = 0x0003,
    yellow= 0x0004,
    blue  = 0x0005,
    violet= 0x0020 };

extern void func1(TREE trp);

extern TREE   tra;

extern TREE foo(int m)
{
   if (m < 0)
   {
       tra = white;                  /* Message 1402          */
       func1(white);                 /* Message 1401          */
       return(white);                /* Message 1403          */
   }
   else if (m > 0)
   {
       tra = violet;                 /* Message 1402 and 1317 */
       func1(violet);                /* Message 1401 and 1317 */
       return(violet);               /* Message 1403 and 1317 */
   }
   else
   {
       tra = black;                  /* Message 1402 and 1461 */
       func1(black);                 /* Message 1401 and 1461 */
       return (black);               /* Message 1403 and 1461 */
   }
}

No MISRA C:2012 Rules applicable to message 1403

See also:

• 1317 Value of constant expression is not in the enum type to which it is being converted.
• 1401 An enum constant is being passed as argument to a function parameter of a different enum type.
• 1402 An enum constant is being assigned to an object of a different enum type.
• 1461 Value of constant expression is not in the enum type to which it is being converted, but is bitwise OR of constants in the enum type.