diff options
Diffstat (limited to 'src/support/cleanse.cpp')
| -rw-r--r-- | src/support/cleanse.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/support/cleanse.cpp b/src/support/cleanse.cpp index 82cdfe707b..9bf7eda785 100644 --- a/src/support/cleanse.cpp +++ b/src/support/cleanse.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2015 The Bitcoin Core developers +// Copyright (c) 2009-2017 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -7,6 +7,10 @@ #include <cstring> +#if defined(_MSC_VER) +#include <Windows.h> // For SecureZeroMemory. +#endif + /* Compilers have a bad habit of removing "superfluous" memset calls that * are trying to zero memory. For example, when memset()ing a buffer and * then free()ing it, the compiler might decide that the memset is @@ -32,7 +36,7 @@ void memory_cleanse(void *ptr, size_t len) might try to eliminate "superfluous" memsets. If there's an easy way to detect memset_s, it would be better to use that. */ #if defined(_MSC_VER) - __asm; + SecureZeroMemory(ptr, len); #else __asm__ __volatile__("" : : "r"(ptr) : "memory"); #endif |