From f59405662d177daf715c56641f8095a58a465398 Mon Sep 17 00:00:00 2001
From: Benjamin Glaessle <benjamin.glaessle@physik.uni-r.de>
Date: Thu, 6 Oct 2016 12:37:49 +0200
Subject: [PATCH] fixed implicit 'ftruncate' declaration

---
 filehash/ffdb_page.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/filehash/ffdb_page.c b/filehash/ffdb_page.c
index 0c189e6..87c79d0 100644
--- a/filehash/ffdb_page.c
+++ b/filehash/ffdb_page.c
@@ -60,6 +60,9 @@
  *
  *
  */
+#if !defined(_XOPEN_SOURCE)
+#define _XOPEN_SOURCE 500
+#endif
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>