migrations/winit
1
0
Fork 0
mirror of https://github.com/rust-windowing/winit.git synced 2026-06-26 22:53:15 -04:00
Code Issues Packages Projects Releases Wiki Activity

Fix potentially unaligned references in X11 device

Browse Source 
Fixes #3125
Signed-off-by: John Nunley <dev@notgull.net>
This commit is contained in:
John Nunley
2023-10-14 20:09:10 -07:00
committed by Kirill Chibisov
parent b1bd0f77fb
commit ea8604e175
1 changed files with 9 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/platform_impl/linux/x11/mod.rs
View File

@@ -28,7 +28,7 @@ use std::{
collections::{HashMap, HashSet},
ffi::CStr,
fmt,
mem::{self, MaybeUninit},
mem::MaybeUninit,
ops::Deref,
os::{
raw::*,
@@ -1052,12 +1052,10 @@ impl Device {
if Device::physical_device(info) {
// Identify scroll axes
for class_ptr in Device::classes(info) {
let class = unsafe { &**class_ptr };
if class._type == ffi::XIScrollClass {
let info = unsafe {
mem::transmute::<&ffi::XIAnyClassInfo, &ffi::XIScrollClassInfo>(class)
};
for &class_ptr in Device::classes(info) {
let ty = unsafe { (*class_ptr)._type };
if ty == ffi::XIScrollClass {
let info = unsafe { &*(class_ptr as *const ffi::XIScrollClassInfo) };
scroll_axes.push((
info.number,
ScrollAxis {
@@ -1085,12 +1083,10 @@ impl Device {
fn reset_scroll_position(&mut self, info: &ffi::XIDeviceInfo) {
if Device::physical_device(info) {
for class_ptr in Device::classes(info) {
let class = unsafe { &**class_ptr };
if class._type == ffi::XIValuatorClass {
let info = unsafe {
mem::transmute::<&ffi::XIAnyClassInfo, &ffi::XIValuatorClassInfo>(class)
};
for &class_ptr in Device::classes(info) {
let ty = unsafe { (*class_ptr)._type };
if ty == ffi::XIValuatorClass {
let info = unsafe { &*(class_ptr as *const ffi::XIValuatorClassInfo) };
if let Some(&mut (_, ref mut axis)) = self
.scroll_axes
.iter_mut()