From 779ad3066a38cdfc88c3ca43c0cd46036b4087c2 Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@iki.fi>
Date: Tue, 9 May 2023 10:41:13 +0300
Subject: [PATCH] Add error codes to C bindings

---
 core/mvcc/bindings/c/src/errors.rs | 3 +++
 core/mvcc/bindings/c/src/lib.rs    | 6 ++++--
 2 files changed, 7 insertions(+), 2 deletions(-)
 create mode 100644 core/mvcc/bindings/c/src/errors.rs

diff --git a/core/mvcc/bindings/c/src/errors.rs b/core/mvcc/bindings/c/src/errors.rs
new file mode 100644
index 000000000..e260394f6
--- /dev/null
+++ b/core/mvcc/bindings/c/src/errors.rs
@@ -0,0 +1,3 @@
+pub const MVCC_OK: i32 = 0;
+
+pub const MVCC_IO_ERROR_WRITE: i32 = 778;
diff --git a/core/mvcc/bindings/c/src/lib.rs b/core/mvcc/bindings/c/src/lib.rs
index 62b067c81..6f4fc755a 100644
--- a/core/mvcc/bindings/c/src/lib.rs
+++ b/core/mvcc/bindings/c/src/lib.rs
@@ -1,8 +1,10 @@
 #![allow(non_camel_case_types)]
 
+mod errors;
 mod types;
 
 use types::{MVCCDatabaseRef, DbContext};
+use errors::*;
 use mvcc_rs::*;
 
 /// cbindgen:ignore
@@ -81,11 +83,11 @@ pub unsafe extern "C" fn MVCCDatabaseInsert(
     }) {
         Ok(_) => {
             tracing::debug!("MVCCDatabaseInsert: success");
-            0 // SQLITE_OK
+            MVCC_OK
         }
         Err(e) => {
             tracing::error!("MVCCDatabaseInsert: {e}");
-            778 // SQLITE_IOERR_WRITE
+            MVCC_IO_ERROR_WRITE
         }
     }
 }