mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
22 lines
629 B
V
22 lines
629 B
V
// 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(rnd C.SecRandomRef, count usize, bytes voidptr) int
|
|
|
|
// read returns an array of `bytes_needed` random bytes read from the OS.
|
|
pub fn read(bytes_needed int) ?[]byte {
|
|
mut buffer := []byte{len: bytes_needed}
|
|
status := C.SecRandomCopyBytes(C.SecRandomRef(0), bytes_needed, buffer.data)
|
|
if status != 0 {
|
|
return IError(&ReadError{})
|
|
}
|
|
return buffer
|
|
}
|