Try USER variable to retrieve the username. (#282)

Signed-off-by: Ivor Wanders <[email protected]>
gazebosim · Jan 7, 2022 · e02bd8b · e02bd8b
1 parent f3c8f8b
commit e02bd8b
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/NetUtils.cc b/src/NetUtils.cc
@@ -379,6 +379,15 @@ inline namespace IGNITION_TRANSPORT_VERSION_NAMESPACE
     GetUserName(buffer, &usernameLen);
     return buffer;
 #else
+    // First, try to get the username through the standard environment variable
+    // for it.
+    const auto userVariable = std::getenv("USER");
+    if (userVariable)
+    {
+      return userVariable;
+    }
+
+    // No USER variable, request it from the system.
     struct passwd pd;
     struct passwd *pdResult;
     Uuid uuid;