[previous] 0640 [next] [C] '%s' in 'struct' or 'union' type may not have 'void' type.
Constraint violations REFERENCE - ISO:C90-6.5.2.1 Structure and Union Specifiers - Constraints

This is a constraint error

Members of a struct or union cannot be declared with type void, or indeed any incomplete type. For example: 


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

struct ST1 {int a; void b; };           /* Message 0640 */

struct ST2 {int a; void *b; };          /* OK           */

struct ST3 {int a; int buf[]; };        /* Message 0642 */

MISRA C:2012 Rules applicable to message 0640:

Rule-1.1  (Required) The program shall contain no violations of the standard C syntax and constraints, and shall not exceed the implementation's translation limits

See also:

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