From 231cd4fd9e135bbc5f8526771b6be05f0e2d682c Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Mon, 11 Jul 2011 22:07:17 +1000
Subject: [PATCH] va list needs to be copied as it's invalidated either way.

---
 util.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/util.c b/util.c
index ef680399..d3cc6fa5 100644
--- a/util.c
+++ b/util.c
@@ -90,12 +90,15 @@ void vapplog(int prio, const char *fmt, va_list ap)
 			tm.tm_min,
 			tm.tm_sec,
 			fmt);
-		log_curses(f, ap);
 		/* Only output to stderr if it's not going to the screen as well */
 		if (opt_log_output && !isatty(fileno((FILE *)stderr))) {
-			vfprintf(stderr, f, ap);	/* atomic write to stderr */
+			va_list apc;
+
+			va_copy(apc, ap);
+			vfprintf(stderr, f, apc);	/* atomic write to stderr */
 			fflush(stderr);
 		}
+		log_curses(f, ap);
 	}
 }