Karina
30 lines
654 B
Rust
30 lines
654 B
Rust
use core::fmt::{self, Write};
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pub struct Stdout;
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impl Write for Stdout {
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fn write_str(&mut self, s: &str) -> fmt::Result {
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crate::syscall::io_write(1, s.as_ptr(), s.len());
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Ok(())
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}
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}
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#[doc(hidden)]
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pub fn _print(args: core::fmt::Arguments) {
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let mut stdout = crate::io::Stdout;
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let _ = core::fmt::Write::write_fmt(&mut stdout, args);
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}
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#[macro_export]
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macro_rules! print {
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($($arg:tt)*) => ($crate::io::_print(core::format_args!($($arg)*)));
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}
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#[macro_export]
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macro_rules! println {
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() => ($crate::print!("\n"));
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($($arg:tt)*) => {
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$crate::print!($($arg)*);
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$crate::print!("\n");
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};
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} |