mirrors/unicorn
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fix: Make from handle function unsafe

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This commit is contained in:
Mark Giraud 2023-08-14 13:38:13 +02:00
parent 44ca44ea1e
commit 5318fcda33
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GPG Key ID: 1C0A1EDE9B8335F4
1 changed files with 7 additions and 7 deletions
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14
bindings/rust/src/lib.rs
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@ -54,7 +54,6 @@ pub use crate::{
use alloc::{boxed::Box, rc::Rc, vec::Vec};
use core::{cell::UnsafeCell, ptr};
use bitflags::Flags;
use ffi::uc_handle;
use libc::c_void;
@ -166,13 +165,14 @@ impl<'a> Unicorn<'a, ()> {
pub fn new(arch: Arch, mode: Mode) -> Result<Unicorn<'a, ()>, uc_error> {
Self::new_with_data(arch, mode, ())
}
}
impl<'a> TryFrom<uc_handle> for Unicorn<'a, ()> {
type Error = uc_error;
#[allow(clippy::not_unsafe_ptr_arg_deref)]
fn try_from(handle: uc_handle) -> Result<Unicorn<'a, ()>, uc_error> {
/// # Safety
/// The function has to be called with a valid uc_handle pointer
/// that was previously allocated by a call to uc_open.
/// Calling the function with a non null pointer value that
/// does not point to a unicorn instance will cause undefined
/// behavior.
pub unsafe fn from_handle(handle: uc_handle) -> Result<Unicorn<'a, ()>, uc_error> {
if handle.is_null() {
return Err(uc_error::HANDLE);
}