[previous] 0621 [next] [C] The struct/union '%s' cannot be initialized because it has unknown size.
Constraint violations REFERENCE - ISO:C90-6.5.7 Initialization - Constraints

This is a constraint error

This object cannot be initialized because it is a struct/union of incomplete type, i.e. its members and therefore its size have not been defined.

For example: 


/*PRQA S 553,679,2213,3207,3313 ++*/

static struct ST2 ast = {0};    /* Message 0621 (if ST2 is not defined) */

MISRA C:2012 Rules applicable to message 0621:

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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