19 lines
625 B
Rust
19 lines
625 B
Rust
//! Implementation for SOLID
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use crate::Error;
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use core::{mem::MaybeUninit, num::NonZeroU32};
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extern "C" {
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pub fn SOLID_RNG_SampleRandomBytes(buffer: *mut u8, length: usize) -> i32;
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}
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pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
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let ret = unsafe { SOLID_RNG_SampleRandomBytes(dest.as_mut_ptr() as *mut u8, dest.len()) };
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if ret >= 0 {
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Ok(())
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} else {
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// ITRON error numbers are always negative, so we negate it so that it
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// falls in the dedicated OS error range (1..INTERNAL_START).
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Err(NonZeroU32::new((-ret) as u32).unwrap().into())
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}
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}
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