RGBCube/uutils-coreutils
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Use raw stdin/stdio.

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Buffered one is expensive and serves no purpose.

(cherry picked from commit ace707d5044026b1167b3326692c8c8f118e05e4)
This commit is contained in:
Dawid Ciężarkiewicz 2014-03-19 09:35:33 -07:00 • committed by Dawid Ciężarkiewicz
parent fb8e502980
commit 3ab1865177
1 changed files with 4 additions and 3 deletions
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7
cat/cat.rs
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@ -15,7 +15,8 @@
extern crate getopts; extern crate getopts;
use std::os; use std::os;
use std::io::{print, stdin, stdout, File}; use std::io::{print, File};
use std::io::stdio::{stdout_raw, stdin_raw};
fn main() { fn main() {
let args = os::args(); let args = os::args();
@ -95,7 +96,7 @@ fn is_newline_char(byte: u8) -> bool {
} }
pub fn exec(files: ~[~str], number: NumberingMode, show_nonprint: bool, show_ends: bool, show_tabs: bool, squeeze_blank: bool) { pub fn exec(files: ~[~str], number: NumberingMode, show_nonprint: bool, show_ends: bool, show_tabs: bool, squeeze_blank: bool) {
let mut writer = stdout(); let mut writer = stdout_raw();
if NumberNone != number || show_nonprint || show_ends || show_tabs || squeeze_blank { if NumberNone != number || show_nonprint || show_ends || show_tabs || squeeze_blank {
let mut counter: uint = 1; let mut counter: uint = 1;
@ -192,7 +193,7 @@ pub fn exec(files: ~[~str], number: NumberingMode, show_nonprint: bool, show_end
fn open(path: ~str) -> Option<~Reader> { fn open(path: ~str) -> Option<~Reader> {
if "-" == path { if "-" == path {
return Some(~stdin() as ~Reader); return Some(~stdin_raw() as ~Reader);
} }
match File::open(&std::path::Path::new(path.as_slice())) { match File::open(&std::path::Path::new(path.as_slice())) {