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rand use getrandom for freebsd (available since 12.x)

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This commit is contained in:
David Carlier 2023-01-21 17:10:07 +00:00
parent 2e0136a131
commit 4b73cf3446
1 changed files with 7 additions and 9 deletions
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16
library/std/src/sys/unix/rand.rs
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@ -62,18 +62,15 @@ mod imp {
unsafe { getrandom(buf.as_mut_ptr().cast(), buf.len(), libc::GRND_NONBLOCK) }
}
#[cfg(any(target_os = "espidf", target_os = "horizon"))]
#[cfg(any(target_os = "espidf", target_os = "horizon", target_os = "freebsd"))]
fn getrandom(buf: &mut [u8]) -> libc::ssize_t {
unsafe { libc::getrandom(buf.as_mut_ptr().cast(), buf.len(), 0) }
}
#[cfg(target_os = "freebsd")]
fn getrandom(buf: &mut [u8]) -> libc::ssize_t {
// FIXME: using the above when libary std's libc is updated
#[cfg(not(target_os = "freebsd"))]
use libc::getrandom;
#[cfg(target_os = "freebsd")]
extern "C" {
fn getrandom(
buffer: *mut libc::c_void,
length: libc::size_t,
buf: *mut libc::c_void,
buflen: libc::size_t,
flags: libc::c_uint,
) -> libc::ssize_t;
}
@ -236,6 +233,7 @@ mod imp {
}
}
// FIXME: once the 10.x release becomes the minimum, this can be dropped for simplification.
#[cfg(target_os = "netbsd")]
mod imp {
use crate::ptr;