1 files changed, 66 insertions, 0 deletions
diff --git a/src/go/unit/nxt_go_array.c b/src/go/unit/nxt_go_array.c
new file mode 100644
index 00000000..f409cb10
--- /dev/null
+++ b/src/go/unit/nxt_go_array.c
@@ -0,0 +1,66 @@
+
+/*
+ * Copyright (C) Max Romanov
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef NXT_CONFIGURE
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <nxt_main.h>
+
+#include "nxt_go_array.h"
+
+void
+nxt_go_array_init(nxt_array_t *array, nxt_uint_t n, size_t size)
+{
+    array->elts = malloc(n * size);
+
+    if (nxt_slow_path(n != 0 && array->elts == NULL)) {
+        return;
+    }
+
+    array->nelts = 0;
+    array->size = size;
+    array->nalloc = n;
+    array->mem_pool = NULL;
+}
+
+void *
+nxt_go_array_add(nxt_array_t *array)
+{
+    void      *p;
+    uint32_t  nalloc, new_alloc;
+
+    nalloc = array->nalloc;
+
+    if (array->nelts == nalloc) {
+
+        if (nalloc < 16) {
+            /* Allocate new array twice larger than current. */
+            new_alloc = nalloc * 2;
+
+        } else {
+            /* Allocate new array 1.5 times larger than current. */
+            new_alloc = nalloc + nalloc / 2;
+        }
+
+        p = realloc(array->elts, array->size * new_alloc);
+
+        if (nxt_slow_path(p == NULL)) {
+            return NULL;
+        }
+
+        array->elts = p;
+        array->nalloc = new_alloc;
+    }
+
+    p = nxt_pointer_to(array->elts, array->size * array->nelts);
+    array->nelts++;
+
+    return p;
+}
+
+#endif /* NXT_CONFIGURE */