From 67dba8c8facdb5b48a6f58d18134ca411ae36683 Mon Sep 17 00:00:00 2001
From: Andy Wang <cbeuw.andy@gmail.com>
Date: Wed, 26 Jan 2022 00:57:18 +0000
Subject: [PATCH] Return empty slices instead of nil for ListAllUsers

---
 internal/server/usermanager/localmanager.go | 3 +++
 internal/server/usermanager/voidmanager.go  | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/internal/server/usermanager/localmanager.go b/internal/server/usermanager/localmanager.go
index d60f62e..4b3096b 100644
--- a/internal/server/usermanager/localmanager.go
+++ b/internal/server/usermanager/localmanager.go
@@ -191,6 +191,9 @@ func (manager *localManager) ListAllUsers() (infos []UserInfo, err error) {
 		})
 		return err
 	})
+	if infos == nil {
+		infos = []UserInfo{}
+	}
 	return
 }
 
diff --git a/internal/server/usermanager/voidmanager.go b/internal/server/usermanager/voidmanager.go
index a20ab3c..d317353 100644
--- a/internal/server/usermanager/voidmanager.go
+++ b/internal/server/usermanager/voidmanager.go
@@ -15,7 +15,7 @@ func (v *Voidmanager) UploadStatus(updates []StatusUpdate) ([]StatusResponse, er
 }
 
 func (v *Voidmanager) ListAllUsers() ([]UserInfo, error) {
-	return nil, ErrMangerIsVoid
+	return []UserInfo{}, ErrMangerIsVoid
 }
 
 func (v *Voidmanager) GetUserInfo(UID []byte) (UserInfo, error) {