HTTP parser: fixed minimum length optimization in headers hash.
@@ -771,7 +771,7 @@ nxt_http_fields_hash(nxt_http_fields_t *fields, nxt_mem_pool_t *mp)
nxt_http_fields_hash_t *hash;
nxt_http_fields_hash_entry_t *entry;
- min_length = 0;
+ min_length = 32 + 1;
max_length = 0;
for (i = 0; fields[i].handler != NULL; i++) {
@@ -786,11 +786,14 @@ nxt_http_fields_hash(nxt_http_fields_t *fields, nxt_mem_pool_t *mp)
max_length = nxt_max(length, max_length);
}
- size = (max_length - min_length + 1)
- * sizeof(nxt_http_fields_hash_entry_t *);
+ size = sizeof(nxt_http_fields_hash_t);
- hash = nxt_mem_zalloc(mp, sizeof(nxt_http_fields_hash_t) + size);
+ if (min_length <= 32) {
+ size += (max_length - min_length + 1)
+ * sizeof(nxt_http_fields_hash_entry_t *);
+ }
+ hash = nxt_mem_zalloc(mp, size);
if (nxt_slow_path(hash == NULL)) {
return NULL;
}
