From 8b36941f6563f8ad91ab094b4b09627096bdf94f Mon Sep 17 00:00:00 2001
From: Marius Tolzmann <tolzmann@molgen.mpg.de>
Date: Mon, 26 Oct 2015 10:38:00 +0100
Subject: [PATCH] mx_log: Fix return value of mx_log_printf()

---
 mx_log.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mx_log.c b/mx_log.c
index 8ed95884..e9332b3e 100644
--- a/mx_log.c
+++ b/mx_log.c
@@ -87,7 +87,7 @@ int mx_log_printf(const char *fmt, ...)
     res  = fflush(stderr);
     mx_free_null(msg);
 
-    if (len2 != len)
+    if (len2 != len+1)
         return -(errno=EIO);
 
     if (!res)