How to change CHOICE alternative

[Alevtina Glonina]

Hello,

I have a question about working with CHOICE alternative using libtasn1.

Consider simple example. Here is test.asn file:

TEST {}

DEFINITIONS IMPLICIT TAGS ::=

BEGIN

TestType ::= SEQUENCE {

A INTEGER,

F MyChoice

}

MyChoice ::= CHOICE {

V1 INTEGER,

V2 OCTET STRING

}

END

Firstly, I want to work with V2 alternative:

asn1_node tree = NULL, node = NULL;

char error_string[1024];

asn1_parser2tree("test.asn", &tree, error_string);

asn1_create_element(tree, "TEST.TestType", &node);

asn1_write_value(node, "F", "V2", 1);

asn1_write_value(node, "F.V2", "abc", 3);

// Some other operations here ...

Then I want to use the same structure (node), but with "V1" alternative.

Unfortunately asn1_write_value(node, "F", "V1", 1); returns ELEMENT_NOT_FOUND now. What is the right way to change V2 to V1? 

--

Best regards,

Alevtina Glonina