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-rw-r--r--libraries/liblutil/memcmp.c33
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diff --git a/libraries/liblutil/memcmp.c b/libraries/liblutil/memcmp.c
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2018 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "portable.h"
+
+#include <ac/string.h>
+
+/*
+ * Memory Compare
+ */
+int
+(lutil_memcmp)(const void *v1, const void *v2, size_t n)
+{
+ if (n != 0) {
+ const unsigned char *s1=v1, *s2=v2;
+ do {
+ if (*s1++ != *s2++) return *--s1 - *--s2;
+ } while (--n != 0);
+ }
+ return 0;
+}