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ripgrep/src/sys.rs

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/*!
This io module contains various platform specific functions for detecting
how xrep is being used. e.g., Is stdin being piped into it? Is stdout being
redirected to a file? etc... We use this information to tweak various default
configuration parameters such as colors and match formatting.
*/
use libc;
#[cfg(unix)]
pub fn stdin_is_atty() -> bool {
0 < unsafe { libc::isatty(libc::STDIN_FILENO) }
}
#[cfg(unix)]
pub fn stdout_is_atty() -> bool {
0 < unsafe { libc::isatty(libc::STDOUT_FILENO) }
}
#[cfg(windows)]
pub fn stdin_is_atty() -> bool {
use kernel32;
use winapi;
unsafe {
let fd = winapi::winbase::STD_INPUT_HANDLE;
let mut out = 0;
kernel32::GetConsoleMode(kernel32::GetStdHandle(fd), &mut out) != 0
}
}
#[cfg(windows)]
pub fn stdout_is_atty() -> bool {
use kernel32;
use winapi;
unsafe {
let fd = winapi::winbase::STD_OUTPUT_HANDLE;
let mut out = 0;
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kernel32::GetConsoleMode(kernel32::GetStdHandle(fd), &mut out) != 0
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}
}