src/main.rs


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#![no_main]
#![no_std]

use safe_libc as libc;
use libc::cstr;

use core::fmt::Write;

#[no_mangle]
pub extern "C" fn main(_nargs: libc::c_int, _args: *const *const libc::c_char) -> libc::c_int {
	let mut stdout = unsafe { libc::stdio::stdout() };

	{
		let foo = cstr!("Foo!\n");
		stdout.puts(foo);
	}

	{
		let x = libc::string::CString::from("foo");
		let l = x.len();
		let y = x.into_raw();
		let z = unsafe {
			libc::boxed::CBox::slice_from_raw_parts(y, l)
		};
		let _ = writeln!(stdout, "Foo: {} {} {}", z[0], z[1], z[2]);
	}

	{
		let b = libc::boxed::CBox::new(42);
		let _ = writeln!(stdout, "Bar: {}", b);
	}
	0
}

#[panic_handler]
fn panic(info: &core::panic::PanicInfo) -> ! {
	let _ = writeln!(unsafe { libc::stdio::stderr() }, "Panic: {}", info);
	unsafe { libc::abort() }
}