+FcExpr *
+FcConfigAllocExpr (FcConfig *config)
+{
+ if (!config->expr_pool || config->expr_pool->next == config->expr_pool->end)
+ {
+ FcExprPage *new_page;
+
+ new_page = malloc (sizeof (FcExprPage));
+ if (!new_page)
+ return 0;
+ FcMemAlloc (FC_MEM_EXPR, sizeof (FcExprPage));
+
+ new_page->next_page = config->expr_pool;
+ new_page->next = new_page->exprs;
+ config->expr_pool = new_page;
+ }
+
+ return config->expr_pool->next++;
+}
+
+FcConfig *
+FcConfigReference (FcConfig *config)
+{
+ if (!config)
+ {
+ config = FcConfigGetCurrent ();
+ if (!config)
+ return 0;
+ }
+
+ config->ref++;
+
+ return config;
+}
+