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Diffstat (limited to 'src/attributes.h')
| -rw-r--r-- | src/attributes.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/attributes.h b/src/attributes.h new file mode 100644 index 0000000000..45099bd8b8 --- /dev/null +++ b/src/attributes.h @@ -0,0 +1,22 @@ +// Copyright (c) 2009-2010 Satoshi Nakamoto +// Copyright (c) 2009-2018 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_ATTRIBUTES_H +#define BITCOIN_ATTRIBUTES_H + +#if defined(__has_cpp_attribute) +# if __has_cpp_attribute(nodiscard) +# define NODISCARD [[nodiscard]] +# endif +#endif +#ifndef NODISCARD +# if defined(_MSC_VER) && _MSC_VER >= 1700 +# define NODISCARD _Check_return_ +# else +# define NODISCARD __attribute__((warn_unused_result)) +# endif +#endif + +#endif // BITCOIN_ATTRIBUTES_H |