Index: trunk/utils.h
===================================================================
--- trunk/utils.h	(revision 640)
+++ trunk/utils.h	(revision 662)
@@ -38,7 +38,4 @@
 
 #	define IFDEBUG(x) do { } while (0)
-#   ifndef NDEBUG
-#       define NDEBUG
-#   endif
 #endif /* XCACHE_DEBUG */
 #include <assert.h>
@@ -132,2 +129,51 @@
 void xc_copy_internal_zend_constants(HashTable *target, HashTable *source);
 #endif
+
+typedef struct {
+	zend_uint size;
+	zend_uint cnt;
+	void *data;
+} xc_vector_t;
+
+#define xc_vector_init(type, vector) do { \
+	(vector)->cnt = 0;     \
+	(vector)->size = 0;    \
+	(vector)->data = NULL; \
+} while (0)
+
+#define xc_vector_add(type, vector, value) do { \
+	if ((vector)->cnt == (vector)->size) { \
+		if ((vector)->size) { \
+			(vector)->size <<= 1; \
+			(vector)->data = erealloc((vector)->data, sizeof(type) * (vector)->size); \
+		} \
+		else { \
+			(vector)->size = 8; \
+			(vector)->data = emalloc(sizeof(type) * (vector)->size); \
+		} \
+	} \
+	((type *) (vector)->data)[(vector)->cnt++] = value; \
+} while (0)
+
+static inline void *xc_vector_detach_impl(xc_vector_t *vector)
+{
+	void *data = vector->data;
+	vector->data = NULL;
+	vector->size = 0;
+	vector->cnt = 0;
+	return data;
+}
+
+#define xc_vector_detach(type, vector) ((type *) xc_vector_detach_impl(vector))
+
+static inline void xc_vector_free_impl(xc_vector_t *vector TSRMLS_DC)
+{
+	if (vector->data) {
+		efree(vector->data);
+	}
+	vector->size = 0;
+	vector->cnt = 0;
+}
+
+#define xc_vector_free(type, vector) xc_vector_free_impl(vector TSRMLS_CC)
+