[previous] 0804 [next] [C] Macro parameter '%s' is not unique.
Constraint violations REFERENCE - ISO:C90-6.8.3 Macro Replacement - Constraints

This is a constraint error

Two identical parameters have been specified in the definition of a function-like macro.

For example: 


/*PRQA S 553,2017,3429 ++*/

#define G1(a,b) a ## b          /* OK           */
#define G2(a,a) a ## a          /* Message 0804 */

MISRA-C:2004 Rules applicable to message 0804:

Rule  1.1  (Required) All code shall conform to ISO/IEC 9899:1990 C programming language, ISO 9899, amended and corrected by ISO/IEC 9899/COR1:1995, ISO/IEC 9899/AMD1:1995, and ISO/IEC 9899/COR2: 1996192

QA·C Source Code Analyser 8.1
MISRA-C:2004 Compliance Module 3.2
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