openbsd.h

#ifndef ARC4RANDOM_H_INCLUDED
#define ARC4RANDOM_H_INCLUDED
 
#include <cstddef>
#include <cstring>
#include <ctime>
 
namespace OpenBSD
{
    inline
    void arc4random_buf(void *buf, size_t nbytes)
    {
        for( size_t n = 0; n < nbytes; ++ n)
            ((char*)(buf))[n] = rand() %256;
    }
    
    inline
    void arc4random_init(void)
    {
        srand( (unsigned int) time(NULL));
    }
    
    inline
    void    explicit_bzero(void *b, size_t len)
    {
        volatile void * dont_optimize = memset( b, 0, len );
        dont_optimize = dont_optimize;
    }
}
 
#endif // ARC4RANDOM_H_INCLUDED