fix: identifying specific error types

EstebanBorai · Feb 24, 2024 · 3ad7cd4 · 3ad7cd4
1 parent fcdf337
commit 3ad7cd4
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/src/error.rs b/src/error.rs
@@ -1,4 +1,4 @@
-#[derive(thiserror::Error, Debug)]
+#[derive(thiserror::Error, Debug, PartialEq)]
 pub enum Error {
     /// Returned when `local_ip` is unable to find the system's local IP address
     /// in the collection of network interfaces

diff --git a/src/linux.rs b/src/linux.rs
@@ -160,7 +160,10 @@ fn local_ip_impl(family: RtAddrFamily) -> Result<IpAddr, Error> {
 
     match local_ip_impl_route(family, &mut netlink_socket) {
         Ok(ip_addr) => Ok(ip_addr),
-        Err(_error) => local_ip_impl_addr(family, &mut netlink_socket),
+        Err(error) if error == Error::LocalIpAddressNotFound => {
+            local_ip_impl_addr(family, &mut netlink_socket)
+        }
+        Err(e) => Err(e),
     }
 }