if(oldstr3520){
if(oldstr3520->fixed)qbs_set(oldstr3520,_SUB_COPY_FULL_UDT_STRING_DST);
qbs_free(_SUB_COPY_FULL_UDT_STRING_DST);
}
if(oldstr3521){
if(oldstr3521->fixed)qbs_set(oldstr3521,_SUB_COPY_FULL_UDT_STRING_SRC);
qbs_free(_SUB_COPY_FULL_UDT_STRING_SRC);
}