catalog connection error handling: avoid a copy

PeerDB-io · Dec 15, 2023 · 8ab5ae3 · 8ab5ae3
1 parent 5ef7435
commit 8ab5ae3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/nexus/server/src/main.rs b/nexus/server/src/main.rs
@@ -1,5 +1,6 @@
 use std::{
     collections::{HashMap, HashSet},
+    fmt::Write,
     sync::Arc,
     time::Duration,
 };
@@ -1376,8 +1377,7 @@ pub async fn main() -> anyhow::Result<()> {
                         buf.put_i32(0);
                         buf.put(&b"FATAL"[..]);
                         buf.put_u8(0);
-                        let error_message = format!("Failed to connect to catalog: {}", e);
-                        buf.put(error_message.as_bytes());
+                        write!(buf, "Failed to connect to catalog: {e}").ok();
                         buf.put_u8(0);
                         buf.put_u8(b'\0');