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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/mem_clr.c
2 * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include <openssl/crypto.h>
14 * Pointer to memset is volatile so that compiler must de-reference
15 * the pointer and can't assume that it points to any function in
16 * particular (such as memset, which it then might further "optimize")
18 typedef void *(*memset_t
)(void *, int, size_t);
20 static volatile memset_t memset_func
= memset
;
22 void OPENSSL_cleanse(void *ptr
, size_t len
)
24 memset_func(ptr
, 0, len
);