From a196bebd1b10ec8de3154944b053ed976864a353 Mon Sep 17 00:00:00 2001 From: Knight Date: Sat, 21 May 2016 18:19:13 +0800 Subject: [PATCH] uucore: add disp_err macro --- src/uucore/macros.rs | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/uucore/macros.rs b/src/uucore/macros.rs index 8789b7e6c..21691dc5c 100644 --- a/src/uucore/macros.rs +++ b/src/uucore/macros.rs @@ -43,6 +43,15 @@ macro_rules! show_info( }) ); +#[macro_export] +macro_rules! disp_err( + ($($args:tt)+) => ({ + pipe_write!(&mut ::std::io::stderr(), "{}: ", executable!()); + pipe_writeln!(&mut ::std::io::stderr(), $($args)+); + pipe_writeln!(&mut ::std::io::stderr(), "Try '{} --help' for more information.", executable!()); + }) +); + #[macro_export] macro_rules! eprint( ($($args:tt)+) => (pipe_write!(&mut ::std::io::stderr(), $($args)+))