From 8430e33f3b101a3a931a547300e04ee5546209a9 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 11 Oct 2017 20:32:50 +1030
Subject: [PATCH] common/status: add status_tracev() for making status
 wrappers.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 common/status.c | 14 ++++++++++----
 common/status.h |  3 +++
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/common/status.c b/common/status.c
index eeacf68ff..c55285375 100644
--- a/common/status.c
+++ b/common/status.c
@@ -75,16 +75,13 @@ static void status_send_with_hdr(u16 type, const void *p, size_t len)
 	}
 }
 
-void status_trace(const char *fmt, ...)
+void status_tracev(const char *fmt, va_list ap)
 {
-	va_list ap;
 	char *str;
 
-	va_start(ap, fmt);
 	str = tal_vfmt(NULL, fmt, ap);
 	status_send_with_hdr(STATUS_TRACE, str, strlen(str));
 	tal_free(str);
-	va_end(ap);
 
 	/* Free up any temporary children. */
 	if (tal_first(trc)) {
@@ -93,6 +90,15 @@ void status_trace(const char *fmt, ...)
 	}
 }
 
+void status_trace(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	status_tracev(fmt, ap);
+	va_end(ap);
+}
+
 void status_failed(enum status_fail code, const char *fmt, ...)
 {
 	va_list ap;
diff --git a/common/status.h b/common/status.h
index 65f631c14..7e01c0ae6 100644
--- a/common/status.h
+++ b/common/status.h
@@ -3,6 +3,7 @@
 #include "config.h"
 #include <ccan/compiler/compiler.h>
 #include <ccan/short_types/short_types.h>
+#include <stdarg.h>
 #include <stdlib.h>
 
 struct daemon_conn;
@@ -50,6 +51,8 @@ enum status_fail {
 void status_send_sync(const u8 *msg);
 /* Send a printf-style debugging trace. */
 void status_trace(const char *fmt, ...) PRINTF_FMT(1,2);
+/* vprintf-style */
+void status_tracev(const char *fmt, va_list ap);
 /* Send a failure status code with printf-style msg, and exit. */
 void status_failed(enum status_fail, const char *fmt, ...) PRINTF_FMT(2,3) NORETURN;