rand_s.cpp File Reference

#include <corecrt_internal.h>
#include <stdlib.h>

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Functions
errno_t __cdecl	rand_s (unsigned int *const result)

Function Documentation

rand_s()

errno_t __cdecl rand_s

(

unsigned int *const

result

)

Definition at line 13 of file rand_s.cpp.

{
    _VALIDATE_RETURN_ERRCODE(result != nullptr, EINVAL);
    *result = 0;
 
    if (!__acrt_RtlGenRandom(result, static_cast<ULONG>(sizeof(*result))))
    {
        errno = ENOMEM;
        return errno;
    }
 
    return 0;
}