//! Implementation for Emscripten | |
use crate::{util_libc::last_os_error, Error}; | |
use core::mem::MaybeUninit; | |
pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> { | |
// Emscripten 2.0.5 added getentropy, so we can use it unconditionally. | |
// Unlike other getentropy implementations, there is no max buffer length. | |
let ret = unsafe { libc::getentropy(dest.as_mut_ptr() as *mut libc::c_void, dest.len()) }; | |
if ret < 0 { | |
return Err(last_os_error()); | |
} | |
Ok(()) | |
} |