X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fdigest.c;h=15a111a9346471e163ca319c72b583c062cf212e;hb=28be4baae016a5a771d0d9ec6e97ef38a4fc9e46;hp=85bea7d503a7f34eed819028aad3995e905eb91d;hpb=bcac314fe2d758e85335d499dbb4300bfa8a599e;p=tinc

diff --git a/src/digest.c b/src/digest.c
index 85bea7d5..15a111a9 100644
--- a/src/digest.c
+++ b/src/digest.c
@@ -1,17 +1,37 @@
+/*
+    digest.c -- stub digest handling functions
+    Copyright (C) 2007-2022 Guus Sliepen <guus@tinc-vpn.org>
+
+    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
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "system.h"
+
 #include "digest.h"
 #include "xalloc.h"
 
 #ifndef DISABLE_LEGACY
 
-digest_t *digest_alloc() {
+digest_t *digest_alloc(void) {
 	return xzalloc(sizeof(digest_t));
 }
 
-void digest_free(digest_t **digest) {
-	if(digest && *digest) {
-		digest_close(*digest);
-		free(*digest);
-		*digest = NULL;
+void digest_free(digest_t *digest) {
+	if(digest) {
+		digest_close(digest);
+		free(digest);
 	}
 }