From 990a746d398ab438f0a704cc515c13080126fa7a Mon Sep 17 00:00:00 2001
From: Ziyang Hu <hu.ziyang@cantab.net>
Date: Tue, 1 Nov 2022 23:04:57 +0800
Subject: [PATCH] c ffi

---
 Cargo.lock        | 10 ++++++++++
 Cargo.toml        |  2 +-
 nodejs/src/lib.rs |  4 ++--
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 6bb94561..5b26a914 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -421,6 +421,16 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "cozo_c"
+version = "0.1.1"
+dependencies = [
+ "cozo",
+ "lazy_static",
+ "miette",
+ "serde_json",
+]
+
 [[package]]
 name = "cozo_java"
 version = "0.1.1"
diff --git a/Cargo.toml b/Cargo.toml
index 5332274e..ed8eb2d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -68,4 +68,4 @@ lto = true
 #debug = true
 
 [workspace]
-members = ["cozorocks", "python", "nodejs", "java"]
+members = ["cozorocks", "python", "nodejs", "java", "c"]
diff --git a/nodejs/src/lib.rs b/nodejs/src/lib.rs
index 8208ea2c..569a5d50 100644
--- a/nodejs/src/lib.rs
+++ b/nodejs/src/lib.rs
@@ -2,7 +2,7 @@
  * Copyright 2022, The Cozo Project Authors. Licensed under MIT/Apache-2.0/BSD-3-Clause.
  */
 use std::collections::BTreeMap;
-use std::sync::atomic::{AtomicU32, Ordering};
+use std::sync::atomic::{AtomicI32, Ordering};
 use std::sync::Mutex;
 
 use lazy_static::lazy_static;
@@ -12,7 +12,7 @@ use cozo::Db;
 
 #[derive(Default)]
 struct Handles {
-    current: AtomicU32,
+    current: AtomicI32,
     dbs: Mutex<BTreeMap<u32, Db>>,
 }