[cfe-dev] [libcxx] random_device for Windows needs more storage

[Yaron Keren]

Thanks, Sebastian, David Chisnall corrected me.
random_device() was finally implemented based on rand_s() from MSVCRT.

Yaron



2013/10/8 Sebastian Redl <sebastian.redl at getdesigned.at>

>  On 2013-10-07 22:20, Yaron Keren wrote:
>
>  The actual data type is typedef ULONG_PTR HCRYPTPROV;
> I found two conflicting descriptions in microsoft.com for ULONG_PTR:
>
>  The first
> http://msdn.microsoft.com/en-us/library/windows/desktop/aa383751(v=vs.85).aspx says
> it's always 64 bits:
>
>  #if defined(_WIN64)
>  typedef unsigned __int64 ULONG_PTR;
> #else
>  typedef unsigned long ULONG_PTR;
> #endif
>
>
>  unsigned long is always 32 bits on Microsoft's compiler.
>
> Sebastian
>
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>
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