Method incref

cpp/src/object.cpp:26–28

namespace internal {

void pn_ptr_base::incref(void *p) {
    if (p) ::pn_incref(const_cast<void*>(p));
}

void pn_ptr_base::decref(void *p) {
    if (p) ::pn_decref(const_cast<void*>(p));