user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Use heap for stdout and stderr

Browse source 
Signed-off-by: Ayush Singh <ayushdevel1325@gmail.com>
This commit is contained in:
Ayush Singh 2023-10-25 21:48:41 +05:30
parent 07000dc244
commit 346472c6be
1 changed files with 2 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

11
library/std/src/sys/pal/uefi/stdio.rs
View file

@ -4,8 +4,6 @@ use crate::mem::MaybeUninit;
use crate::os::uefi;
use crate::ptr::NonNull;
const MAX_BUFFER_SIZE: usize = 8192;
pub struct Stdin {
pending: Option<char>,
}
@ -111,19 +109,14 @@ fn write(
protocol: *mut r_efi::protocols::simple_text_output::Protocol,
buf: &[u8],
) -> io::Result<usize> {
let mut utf16 = [0; MAX_BUFFER_SIZE / 2];
// Get valid UTF-8 buffer
let utf8 = match crate::str::from_utf8(buf) {
Ok(x) => x,
Err(e) => unsafe { crate::str::from_utf8_unchecked(&buf[..e.valid_up_to()]) },
};
// Clip UTF-8 buffer to max UTF-16 buffer we support
let utf8 = &utf8[..utf8.floor_char_boundary(utf16.len() - 1)];
for (i, ch) in utf8.encode_utf16().enumerate() {
utf16[i] = ch;
}
let mut utf16: Vec<u16> = utf8.encode_utf16().collect();
utf16.push(0);
unsafe { simple_text_output(protocol, &mut utf16) }?;