1
0
mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
v/vlib/crypto/rand/rand_darwin.c.v

22 lines
625 B
V
Raw Normal View History

2022-01-04 12:21:08 +03:00
// Copyright (c) 2019-2022 Alexander Medvednikov. All rights reserved.
2019-07-31 04:24:12 +03:00
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module rand
2019-08-24 02:48:40 +03:00
#include <Security/SecRandom.h>
2019-07-31 04:24:12 +03:00
#flag darwin -framework Security
2021-09-08 13:09:32 +03:00
fn C.SecRandomCopyBytes(rnd C.SecRandomRef, count usize, bytes voidptr) int
2019-11-24 06:27:02 +03:00
// read returns an array of `bytes_needed` random bytes read from the OS.
pub fn read(bytes_needed int) ![]u8 {
2022-04-15 15:35:35 +03:00
mut buffer := []u8{len: bytes_needed}
status := C.SecRandomCopyBytes(C.SecRandomRef(0), bytes_needed, buffer.data)
2019-08-23 00:00:31 +03:00
if status != 0 {
return IError(&ReadError{})
2019-07-31 04:24:12 +03:00
}
return buffer
2019-07-31 04:24:12 +03:00
}