From c1029de8752543b8e82db93e5d709dc1e7601d6f Mon Sep 17 00:00:00 2001
From: Percy Wegmann <percy@tailscale.com>
Date: Thu, 21 Mar 2024 07:22:25 -0500
Subject: [PATCH] ipn/localapi: don't indent status response

Doing indented JSON marshaling results in encoding/json
allocating an internal buffer, so even when encoding directly
to a writer, it still generates a lot of garbage.

Updates tailscale/corp#18514

Signed-off-by: Percy Wegmann <percy@tailscale.com>
---
 ipn/localapi/localapi.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/ipn/localapi/localapi.go b/ipn/localapi/localapi.go
index 41bfe2bd0..f6db3d4a4 100644
--- a/ipn/localapi/localapi.go
+++ b/ipn/localapi/localapi.go
@@ -1202,9 +1202,7 @@ func (h *Handler) serveStatus(w http.ResponseWriter, r *http.Request) {
 	} else {
 		st = h.b.StatusWithoutPeers()
 	}
-	e := json.NewEncoder(w)
-	e.SetIndent("", "\t")
-	e.Encode(st)
+	json.NewEncoder(w).Encode(st)
 }
 
 func (h *Handler) serveDebugPeerEndpointChanges(w http.ResponseWriter, r *http.Request) {