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K+R compatibility REFERENCE - ISO:C90-6.8.3.3 The ## Operator

The '##' preprocessing operator (sometimes referred to as the glue operator) has been used in the definition of a macro. This was not supported in early versions of the C language.

Be aware that message 0342 is only generated when the "-k+r g" option is enabled.

For example: 


/*PRQA S 553,2017,3429 ++*/
/*****************************
 * OPTIONS: -k+r g
 ****************************/

#define GLUE(a, b) a ## b               /* Message 0342 */

MISRA C:2012 Rules applicable to message 0342:

Rule-20.10  (Advisory) The # and ## preprocessor operators should not be used

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