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uucore: add disp_err macro

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Knight 2016-05-21 18:19:13 +08:00 • committed by Roy Ivy III
parent 713770c9ae
commit b0588e482e
1 changed files with 9 additions and 0 deletions
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9
src/uucore/macros.rs
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@ -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)+))