Re: Regd ASN1_ITEM_rptr( )

[Sravan]

El hallabi-Kettani Abderrahmane wrote:
First it's not a function it's a macro , you'll find
it 
in asn1/asn1.h 

#define ASN1_ITEM_rptr(ref) (ref##_it())
 

Actually I was talking about the expansion of the macro ASN1_ITEM_rptr 
itself. Say if i use IMPLEMENT_ASN1_FUNCTIONS(X509),  one of the results 
of its expansion will be ASN1_item_free( (ASN1_VALUE *)a, 
ASN1_ITEM_rptr(X509) )
In this one ASN1_ITEM_rptr(X509)  will expand to  X509_it( )
I was talking about this X509_it( ). The linker is unable to resolve 
this symbol.

Normally the IMPLEMENT_ASN1_FUNCTIONS(X509) will do
the trick .
Else the macro will help :
#define DECLARE_ASN1_ITEM(name) 
	OPENSSL_EXTERN const ASN1_ITEM name##_it; 

Abdou,
even the expansion of DECLARE_ASN1_ITEM( ) depends on the directive 
OPENSSL_EXPORT_VAR_AS_FUNCTION(in asn1.h) and I can't understand the 
purpose of using this

regards,
Sravan
.
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