revert const for now

src/byte_literal.rs

@@ -3,7 +3,7 @@ use crate::platform::types::c_char;
 pub struct ByteLiteral;
 
 impl ByteLiteral {
-    pub const fn cast_unchecked(input: u8) -> c_char {
+    pub fn cast_unchecked(input: u8) -> c_char {
         match input {
             b' '..=b'~' => {
                 #[cfg(any(target_arch = "x86_64", target_arch = "x86"))]

src/header/locale/mod.rs

@@ -6,7 +6,6 @@ use alloc::{boxed::Box, ffi::CString, string::String};
 use core::{ptr, str::FromStr};
 
 use crate::{
-    byte_literal::ByteLiteral,
     c_str::CStr,
     error::{Errno, ResultExtPtrMut},
     fs::File,
@@ -16,7 +15,7 @@ use crate::{
 };
 
 // Can't use &str because of the mutability
-static mut C_LOCALE: [c_char; 2] = [ByteLiteral::cast_unchecked(b'C'), 0];
+static mut C_LOCALE: [c_char; 2] = [b'C' as c_char, 0];
 
 mod constants;
 use constants::*;