/**************************************************************************** * libs/libc/string/lib_explicit_bzero.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include /**************************************************************************** * Public Functions ****************************************************************************/ /* memset that must not be optimized away by compiler (not even with LTO). */ void explicit_bzero(FAR void *s, size_t n) { static FAR void *(*FAR const volatile memset_v)(FAR void *, int, size_t) = &memset; memset_v(s, 0, n); }