0e9725bcb9
[skip ci] Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/7827)
25 lines
773 B
C
25 lines
773 B
C
/*
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* Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <openssl/crypto.h>
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/*
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* Pointer to memset is volatile so that compiler must de-reference
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* the pointer and can't assume that it points to any function in
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* particular (such as memset, which it then might further "optimize")
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*/
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typedef void *(*memset_t)(void *, int, size_t);
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static volatile memset_t memset_func = memset;
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void OPENSSL_cleanse(void *ptr, size_t len)
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{
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memset_func(ptr, 0, len);
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}
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