X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fprf.h;h=1fc0ee199c4df63291708897cd330c410e9a33f8;hb=f31267783fccb4e17d914c64243b0cba4e5632c4;hp=f7ecc644f92a2c2834f5edd0d473ccd7373e2262;hpb=0acdce222ff21c84cafc82c137e3d1e107a66fd9;p=meshlink

diff --git a/src/prf.h b/src/prf.h
index f7ecc644..1fc0ee19 100644
--- a/src/prf.h
+++ b/src/prf.h
@@ -1,6 +1,9 @@
+#ifndef MESHLINK_PRF_H
+#define MESHLINK_PRF_H
+
 /*
     prf.h -- header file for prf.c
-    Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2014, 2017 Guus Sliepen <guus@meshlink.io>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,9 +20,6 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_PRF_H__
-#define __TINC_PRF_H__
-
-extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen);
+extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen) __attribute__((__warn_unused_result__));
 
 #endif