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v/vlib/crypto/rand/rand_openbsd.c.v

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// Copyright (c) 2022 John Lloyd. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module rand
#include <stdlib.h>
fn C.arc4random_buf(p &byte, n usize)
// read returns an array of `bytes_needed` random bytes read from the OS.
pub fn read(bytes_needed int) ?[]u8 {
mut buffer := unsafe { malloc_noscan(bytes_needed) }
C.arc4random_buf(buffer, bytes_needed)
return unsafe { buffer.vbytes(bytes_needed) }
}