Commit ef320549 authored by Wedson Almeida Filho's avatar Wedson Almeida Filho Committed by Miguel Ojeda
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rust: str: add `fmt!` macro 



Add the `fmt!` macro, which is a convenience alias for the Rust
`core::format_args!` macro.

For instance, it may be used to create a `CString`:

    CString::try_from_fmt(fmt!("{}{}", "abc", 42))?

Signed-off-by: default avatarWedson Almeida Filho <wedsonaf@gmail.com>
Reviewed-by: default avatarGary Guo <gary@garyguo.net>
[Reworded, adapted for upstream and applied latest changes]
Signed-off-by: default avatarMiguel Ojeda <ojeda@kernel.org>
parent 65e1e497

rust/kernel/str.rs

+6 −0
Original line number Diff line number Diff line
@@ -583,3 +583,9 @@ fn deref(&self) -> &Self::Target { 
        unsafe { CStr::from_bytes_with_nul_unchecked(self.buf.as_slice()) }

    }

}



/// A convenience alias for [`core::format_args`].

#[macro_export]

macro_rules! fmt {

    ($($f:tt)*) => ( core::format_args!($($f)*) )

}