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1 // Copyright (c) 2022 John Lloyd. All rights reserved.
2 // Use of this source code is governed by an MIT license
3 // that can be found in the LICENSE file.
4 
5 module rand
6 
7 #include <stdlib.h>
8 
9 fn C.arc4random_buf(p &u8, n usize)
10 
11 // read returns an array of `bytes_needed` random bytes read from the OS.
12 pub fn read(bytes_needed int) ![]u8 {
13     mut buffer := unsafe { malloc_noscan(bytes_needed) }
14     C.arc4random_buf(buffer, bytes_needed)
15     return unsafe { buffer.vbytes(bytes_needed) }
16 }
17

1	// Copyright (c) 2022 John Lloyd. All rights reserved.
2	// Use of this source code is governed by an MIT license
3	// that can be found in the LICENSE file.
4
5	module rand
6
7	#include <stdlib.h>
8
9	fn C.arc4random_buf(p &u8, n usize)
10
11	// read returns an array of `bytes_needed` random bytes read from the OS.
12	pub fn read(bytes_needed int) ![]u8 {
13	mut buffer := unsafe { malloc_noscan(bytes_needed) }
14	C.arc4random_buf(buffer, bytes_needed)
15	return unsafe { buffer.vbytes(bytes_needed) }
16	}
17