From 2300d0a2a9c78c72c67596eb129cf7bf86bf300b Mon Sep 17 00:00:00 2001
From: Alex Hermann <alex@hexla.nl>
Date: Thu, 29 Oct 2020 15:16:20 +0100
Subject: [PATCH] kex: Let the RPC server do printf as it may have
 optimizations

Some RPC server implementations may print directly to the output buffer, so
this eliminates a string copy.
---
 src/modules/kex/core_stats.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/modules/kex/core_stats.c b/src/modules/kex/core_stats.c
index 1ebd235752b..a1f14a7dc6c 100644
--- a/src/modules/kex/core_stats.c
+++ b/src/modules/kex/core_stats.c
@@ -492,15 +492,13 @@ static void rpc_stats_get_statistics(rpc_t* rpc, void* ctx)
 
 static void rpc_fetch_add_stat(rpc_t* rpc, void* ctx, void* hst, char* g, char* n, unsigned long val, int numeric) {
 	char nbuf[128];
-	char vbuf[32];
 	int res;
 
 	snprintf(nbuf, 127, "%s.%s", g, n);
 	if (numeric) {
 		res = rpc->struct_add(hst, "d", nbuf, val);
 	} else {
-		snprintf(vbuf, 31, "%lu", val);
-		res = rpc->struct_add(hst, "s", nbuf, vbuf);
+		res = rpc->struct_printf(hst, nbuf, "%lu", val);
 	}
 	if (res<0)
 	{