openharmony/third_party_rust_memoffset
1
0
Fork 0
mirror of https://github.com/openharmony/third_party_rust_memoffset.git synced 2026-07-19 22:44:17 -04:00
Code Issues Packages Projects Releases Wiki Activity

no need to use NonNull

Browse Source
This commit is contained in:
Ralf Jung
2019-08-10 11:43:24 +02:00
parent b7e2959e55
commit f734f5bbad
3 changed files with 5 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/offset_of.rs
+3 -4
View File
@@ -39,10 +39,9 @@ macro_rules! _memoffset__let_base_ptr {
#[doc(hidden)]
macro_rules! _memoffset__let_base_ptr {
($name:ident, $type:tt) => {
// No UB right here, but we will later offset into a field
// of this pointer, and that is UB when the pointer is dangling.
let non_null = $crate::ptr::NonNull::<$type>::dangling();
let $name = non_null.as_ptr() as *const $type;
// No UB right here, but we will later dereference this pointer to
// offset into a field, and that is UB when the pointer is dangling.
let $name = $crate::mem::align_of::<$type>() as *const $type;
};
}