c ffi

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"

Cargo.toml

@@ -68,4 +68,4 @@ lto = true
 #debug = true
 
 [workspace]
-members = ["cozorocks", "python", "nodejs", "java"]
+members = ["cozorocks", "python", "nodejs", "java", "c"]

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>>,
 }