mirror of
https://github.com/uutils/coreutils
synced 2024-12-18 09:03:14 +00:00
33 lines
754 B
Rust
33 lines
754 B
Rust
//! stdio convenience fns
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use std::io::{stderr, stdout, Write};
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use std::env;
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pub const EXIT_OK: i32 = 0;
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pub const EXIT_ERR: i32 = 1;
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pub fn err_msg(msg: &str) {
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let exe_path = match env::current_exe() {
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Ok(p) => p.to_string_lossy().into_owned(),
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_ => String::from(""),
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};
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writeln!(&mut stderr(), "{}: {}", exe_path, msg).unwrap();
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}
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// by default stdout only flushes
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// to console when a newline is passed.
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#[allow(unused_must_use)]
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pub fn flush_char(c: char) {
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print!("{}", c);
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stdout().flush();
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}
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#[allow(unused_must_use)]
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pub fn flush_str(s: &str) {
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print!("{}", s);
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stdout().flush();
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}
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#[allow(unused_must_use)]
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pub fn flush_bytes(bslice: &[u8]) {
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stdout().write(bslice);
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stdout().flush();
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}
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