[previous] 0641 [next] [C] '%s' in 'struct' or 'union' type may not have function type.
Constraint violations REFERENCE - ISO:C90-6.5.2.1 Structure and Union Specifiers - Constraints

This is a constraint error

This struct or union member has been declared with "function" type; perhaps "pointer to function" was intended?

For example: 


/*PRQA S 553,2213,2216 ++*/

struct ST1 { int mode; int f(void);};        /* Message 0641 - f has function type */

struct ST2 { int mode; int (*f)(void);};     /* OK           - f has type pointer to function */

MISRA-C:2004 Rules applicable to message 0641:

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

See also:

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