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v/vlib/crypto/rand/rand_darwin.c.v

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// Copyright (c) 2019-2021 Alexander Medvednikov. 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 <Security/SecRandom.h>
#flag darwin -framework Security
fn C.SecRandomCopyBytes() int
// read returns an array of `bytes_needed` random bytes read from the OS.
pub fn read(bytes_needed int) ?[]byte {
mut buffer := malloc(bytes_needed)
status := C.SecRandomCopyBytes(0, bytes_needed, buffer)
if status != 0 {
return read_error
}
return c_array_to_bytes_tmp(bytes_needed, buffer)
}