bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

cfg(kcfi)

Browse source
This commit is contained in:
Alice Ryhl 2025-04-12 10:49:39 +00:00
parent 17d412439a
commit 6c6a39e6bf
3 changed files with 18 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

2
library/core/src/fmt/mod.rs
View file

@ -7,7 +7,7 @@ use crate::char::{EscapeDebugExtArgs, MAX_LEN_UTF8};
use crate::marker::PhantomData;
use crate::num::fmt as numfmt;
use crate::ops::Deref;
use crate::{iter, result, str};
use crate::{iter, mem, result, str};
mod builders;
#[cfg(not(no_fp_fmt_parse))]

7
library/core/src/fmt/rt.rs
View file

@ -72,6 +72,13 @@ macro_rules! argument_new {
// a `fn(&T, ...)`, so the invariant is maintained.
ty: ArgumentType::Placeholder {
value: NonNull::<$t>::from_ref($x).cast(),
#[cfg(not(any(sanitize = "cfi", sanitize = "kcfi")))]
formatter: {
let f: fn(&$t, &mut Formatter<'_>) -> Result = $f;
// SAFETY: This is only called with `value`, which has the right type.
unsafe { mem::transmute(f) }
},
#[cfg(any(sanitize = "cfi", sanitize = "kcfi"))]
formatter: |ptr: NonNull<()>, fmt: &mut Formatter<'_>| {
let func = $f;
// SAFETY: This is the same type as the `value` field.