From a5fbfd7cd89738938ae6982d79956a6cd66d7d02 Mon Sep 17 00:00:00 2001
From: k-stachowiak <krzysiek.stachowiak@gmail.com>
Date: Fri, 6 Jul 2018 14:42:22 +0200
Subject: [PATCH] Enable snprintf on FreeBSD

---
 library/x509.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/x509.c b/library/x509.c
index b47599b0d..58d6a8911 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -31,7 +31,7 @@
 
 /* Ensure gmtime_r is available even with -std=c99; must be included before
  * config.h, which pulls in glibc's features.h. Harmless on other platforms. */
-#define _XOPEN_SOURCE 500
+#define _POSIX_C_SOURCE 200112L
 
 #if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"