1 //! Implementation for SOLID
2 use crate::Error;
3 use core::{mem::MaybeUninit, num::NonZeroU32};
4 
5 extern "C" {
SOLID_RNG_SampleRandomBytes(buffer: *mut u8, length: usize) -> i326     pub fn SOLID_RNG_SampleRandomBytes(buffer: *mut u8, length: usize) -> i32;
7 }
8 
getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error>9 pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
10     let ret = unsafe { SOLID_RNG_SampleRandomBytes(dest.as_mut_ptr() as *mut u8, dest.len()) };
11     if ret >= 0 {
12         Ok(())
13     } else {
14         // ITRON error numbers are always negative, so we negate it so that it
15         // falls in the dedicated OS error range (1..INTERNAL_START).
16         Err(NonZeroU32::new((-ret) as u32).unwrap().into())
17     }
18 }
19