Problem with SizeConstraints in AsnOcts class

[Andrés Fuentes <afuentes@xxxxxxxxxxx>]

 

Please help me; I have a .asn1 file with the following types:

 

McMsisdn ::= OCTET STRING (SIZE(3..20));

 

I’m using eSNACC 1.7 with patch 1.7.4 with Red Hat Enterprise Linux 4, g++ (GCC) 3.4.3 20041212 (Red Hat 3.4.3-9.EL4).

 

I ran esnacc to obtain the .h and .cpp files. In another file I wrote my application with the following calls:

 

            char myBuffer[] = {0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x31,0x32,0x33,0x34,0x35};

            size_t sizeBuffer = sizeof(myBuffer);

            McMsisdn  myMcMsisdn(myBuffer,sizeBuffer);

 

When I compile it produces an error:

 

/tmp/ccxwGq5g.o(.gnu.linkonce.t._ZN5SNACC8McMsisdnD1Ev+0xb): In function `SNACC::McMsisdn::~McMsisdn()':

: undefined reference to `vtable for SNACC::McMsisdn'

/tmp/ccxwGq5g.o(.gnu.linkonce.t._ZN5SNACC8McMsisdnC1EPKcj+0x1f): In function `SNACC::McMsisdn::McMsisdn(char const*, unsigned int)':

: undefined reference to `vtable for SNACC::McMsisdn'

collect2: ld returned 1 exit status

 

I read a lot and tried to find the solution myself but in the gcc documentation explain about virtual functions, etc. etc. I think that is not the problem, I am not sure.

 

The declaration of my class generated by esnacc is the following

 

/* OCTET STRING SIZE 3..20 */

class  McMsisdn: public AsnOcts  {

                            public:

                                    McMsisdn ():AsnOcts() { }

                        McMsisdn (const char *str):AsnOcts(str) { }

                        McMsisdn (const char *str, const size_t len):AsnOcts(str, len) { }

                        McMsisdn (const McMsisdn &o):AsnOcts(o){ }

                                    const SizeConstraint* SizeConstraints(int &sizeList)const;

 

                                    McMsisdn                &operator = (const AsnOcts &o)

                            { SetEqual(o);  return *this;}

                                    McMsisdn                &operator = (const char *str)

                                { SetEqual(str); return *this; }

  };

 

When I comment the function  “const SizeConstraint* SizeConstraints(int &sizeList)const;” my application compile fine, but I think that It is necessary to handle the maximum an minimum size of the types.

 

I don’t understand why this error. I need your help, please.

 

 

Andrés Fuentes