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Add macro to properly find program name.

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This commit is contained in:
Joseph Crail 2015-12-07 21:49:18 -05:00
parent b90d253584
commit 58d6add8d1
1 changed files with 15 additions and 3 deletions
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18
src/uucore/macros.rs
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@ -7,10 +7,22 @@
* file that was distributed with this source code. * file that was distributed with this source code.
*/ */
#[macro_export]
macro_rules! executable(
() => ({
let module = module_path!();
if &module[0..3] == "uu_" {
&module[3..]
} else {
module
}
})
);
#[macro_export] #[macro_export]
macro_rules! show_error( macro_rules! show_error(
($($args:tt)+) => ({ ($($args:tt)+) => ({
pipe_write!(&mut ::std::io::stderr(), "{}: error: ", module_path!()); pipe_write!(&mut ::std::io::stderr(), "{}: error: ", executable!());
pipe_writeln!(&mut ::std::io::stderr(), $($args)+); pipe_writeln!(&mut ::std::io::stderr(), $($args)+);
}) })
); );
@ -18,7 +30,7 @@ macro_rules! show_error(
#[macro_export] #[macro_export]
macro_rules! show_warning( macro_rules! show_warning(
($($args:tt)+) => ({ ($($args:tt)+) => ({
pipe_write!(&mut ::std::io::stderr(), "{}: warning: ", module_path!()); pipe_write!(&mut ::std::io::stderr(), "{}: warning: ", executable!());
pipe_writeln!(&mut ::std::io::stderr(), $($args)+); pipe_writeln!(&mut ::std::io::stderr(), $($args)+);
}) })
); );
@ -26,7 +38,7 @@ macro_rules! show_warning(
#[macro_export] #[macro_export]
macro_rules! show_info( macro_rules! show_info(
($($args:tt)+) => ({ ($($args:tt)+) => ({
pipe_write!(&mut ::std::io::stderr(), "{}: ", module_path!()); pipe_write!(&mut ::std::io::stderr(), "{}: ", executable!());
pipe_writeln!(&mut ::std::io::stderr(), $($args)+); pipe_writeln!(&mut ::std::io::stderr(), $($args)+);
}) })
); );