TYPEMAP
DSA * O_OBJECT
DSA_SIG * O_OBJECT
INPUT
O_OBJECT
if( sv_isobject($arg) && (SvTYPE(SvRV($arg)) == SVt_PVMG) )
$var = INT2PTR($type, SvIV((SV*)SvRV( $arg )));
else{
warn( \"${Package}::$func_name() -- $var is not a blessed SV reference\" );
XSRETURN_UNDEF;
}
OUTPUT
# The Perl object is blessed into 'CLASS', which should be a
# char* having the name of the package for the blessing.
O_OBJECT
sv_setref_pv( $arg, (char *)CLASS, (void*)$var );