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//
// rand_s.cpp
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// The implementation of the rand_s() function, which generates random numbers.
//
#include <corecrt_internal.h>
#include <stdlib.h>
extern "C" errno_t __cdecl rand_s(unsigned int* const result)
{
_VALIDATE_RETURN_ERRCODE(result != nullptr, EINVAL);
*result = 0;
if (!__acrt_RtlGenRandom(result, static_cast<ULONG>(sizeof(*result))))
{
errno = ENOMEM;
return errno;
}
return 0;
}