query_overflow
if(query_overflow(query)) {
assert(!query_overflow(query));
if(query_overflow(query)) {
|| query_overflow(query)) {
if(query_overflow(query)) {
if(query_overflow(query)) {
assert(!query_overflow(query));
if (!query_overflow(q)) {
assert(!query_overflow(q));
static inline int query_overflow(struct query *q);