Files
RedBear-OS/platform/src/lib.rs
T
2018-03-04 08:12:38 -07:00

54 lines
964 B
Rust

//! fcntl implementation for Redox, following http://pubs.opengroup.org/onlinepubs/7908799/xsh/fcntl.h.html
#![no_std]
#![allow(non_camel_case_types)]
#[macro_use]
extern crate sc;
pub use sys::*;
#[cfg(all(not(feature="no_std"), target_os = "linux"))]
#[path="linux/mod.rs"]
mod sys;
#[cfg(all(not(feature="no_std"), target_os = "redox"))]
#[path="redox/mod.rs"]
mod sys;
pub mod types;
use core::fmt;
use types::*;
pub unsafe fn c_str(s: *const c_char) -> &'static [u8] {
use core::slice;
let mut size = 0;
loop {
if *s.offset(size) == 0 {
break;
}
size += 1;
}
slice::from_raw_parts(s as *const u8, size as usize)
}
pub struct FileWriter(pub c_int);
impl FileWriter {
pub fn write(&mut self, buf: &[u8]) {
write(self.0, buf);
}
}
impl fmt::Write for FileWriter {
fn write_str(&mut self, s: &str) -> fmt::Result {
self.write(s.as_bytes());
Ok(())
}
}