new file mode 100644
--- /dev/null
+++ b/src/core/ngx_array.c
@@ -0,0 +1,74 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+ngx_array_t *ngx_create_array(ngx_pool_t *p, ngx_uint_t n, size_t size)
+{
+    ngx_array_t *a;
+
+    ngx_test_null(a, ngx_palloc(p, sizeof(ngx_array_t)), NULL);
+
+    ngx_test_null(a->elts, ngx_palloc(p, n * size), NULL);
+
+    a->pool = p;
+    a->nelts = 0;
+    a->nalloc = n;
+    a->size = size;
+
+    return a;
+}
+
+
+void ngx_destroy_array(ngx_array_t *a)
+{
+    ngx_pool_t  *p;
+
+    p = a->pool;
+
+    if ((char *) a->elts + a->size * a->nalloc == p->last) {
+        p->last -= a->size * a->nalloc;
+    }
+
+    if ((char *) a + sizeof(ngx_array_t) == p->last) {
+        p->last = (char *) a;
+    }
+}
+
+
+void *ngx_push_array(ngx_array_t *a)
+{
+    void        *elt, *new;
+    ngx_pool_t  *p;
+
+    /* array is full */
+    if (a->nelts == a->nalloc) {
+        p = a->pool;
+
+        /* array allocation is the last in the pool */
+        if ((char *) a->elts + a->size * a->nelts == p->last
+            && (unsigned) (p->end - p->last) >= a->size)
+        {
+            p->last += a->size;
+            a->nalloc++;
+
+        /* allocate new array */
+        } else {
+            ngx_test_null(new, ngx_palloc(p, 2 * a->nalloc * a->size), NULL);
+
+            ngx_memcpy(new, a->elts, a->nalloc * a->size);
+            a->elts = new;
+            a->nalloc *= 2;
+        }
+    }
+
+    elt = (char *) a->elts + a->size * a->nelts;
+    a->nelts++;
+
+    return elt;
+}