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Crypto: document that CRYPTOPP_ALIGN_DATA can expand to nothing #1842

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Crypto: document that CRYPTOPP_ALIGN_DATA can expand to nothing #1842

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2 changes: 2 additions & 0 deletions src/Crypto/config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,8 @@
#endif

#ifndef CRYPTOPP_ALIGN_DATA
// Note: expands to nothing for TC_WINDOWS_BOOT and for compilers that are neither
// MSVC nor GCC/Clang, so alignment is not guaranteed in those builds.
#if defined(_MSC_VER) && !defined(TC_WINDOWS_BOOT)
#define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
#elif defined(__GNUC__)
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