[previous] 4029 [next] long double value returned from unsigned long %s().
Arithmetic type - Implicit conversions

An expression of type long double is the return expression in a function that returns a value of type unsigned long. An implicit conversion will occur which may result in a loss of precision as the fractional element of the value is discarded. If the integral element of the value cannot be represented in type unsigned long, either because it is too large or because it is negative, the result will be meaningless.

For example: 


/*PRQA S 2017,3408,3447,3602 ++*/

extern long double v;

extern unsigned long foo ( void )
{
    /* ... */
    return(v);                          /* Message 4029 */
}

No MISRA C:2012 Rules applicable to message 4029

See also:

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