--- a/src/core/ngx_hunk.h
+++ b/src/core/ngx_hunk.h
@@ -57,6 +57,9 @@ struct ngx_chain_s {
     ngx_chain_t *next;
 };
 
+#define ngx_create_temp_hunk(pool, size, before, after)                      \
+            ngx_get_hunk(pool, size, before, after)
+
 #define ngx_add_hunk_to_chain(chain, h, pool, error)                         \
             do {                                                             \
                 ngx_test_null(chain, ngx_create_chain_entry(pool), error);   \
@@ -66,6 +69,7 @@ struct ngx_chain_s {
 
 
 
+
 ngx_hunk_t *ngx_get_hunk(ngx_pool_t *pool, int size, int before, int after);