fn forward_stderr_if_piped(child: &mut Child, raw_mode: bool) {
    let child_stderr = match child.stderr.take() {
        None => return,
        Some(child_stderr) => child_stderr,
    };
    spawn(move || {
        let mut to_print = Vec::new();
        let mut reader = BufReader::new(child_stderr);
        loop {
            let buffer = reader.fill_buf().expect("Unable to read child's stderr.");
            if buffer.is_empty() {
                return;
            }
            for &byte in buffer {
                if raw_mode && byte == b'\n' {
                    to_print.push(b'\r');
                }
                to_print.push(byte);
            }
            stderr()
                .write_all(&to_print)
                .expect("Unable to echo child's stderr.");
            to_print.clear();
            let buffer_len = buffer.len();
            reader.consume(buffer_len);
        }
    });
}
// Forwards child's stderr to our stderr if child's stderr is piped, converting
// line endings to CRLF if raw_mode is true.
Forwards child's stderr to our stderr if child's stderr is piped, converting
line endings to CRLF if raw_mode is true.
Forwards child ' s stderr to our stderr if child ' s stderr is piped converting line endings to CRLF if raw_mode is true .
fn forward_stderr_if_piped(child: &mut Child, raw_mode: bool) {
    let child_stderr = match child.stderr.take() {
        None => return,
        Some(child_stderr) => child_stderr,
    };
    spawn(move || {
        let mut to_print = Vec::new();
        let mut reader = BufReader::new(child_stderr);
        loop {
            let buffer = reader.fill_buf().expect("Unable to read child's stderr.");
            if buffer.is_empty() {
                return;
            }
            for &byte in buffer {
                if raw_mode && byte == b'\n' {
                    to_print.push(b'\r');
                }
                to_print.push(byte);
            }
            stderr()
                .write_all(&to_print)
                .expect("Unable to echo child's stderr.");
            to_print.clear();
            let buffer_len = buffer.len();
            reader.consume(buffer_len);
        }
    });
}
fn forward_stderr_if_piped ( child : & mut Child , raw_mode : bool ) { let child_stderr = match child . stderr . take ( ) { None => return , Some ( child_stderr ) => child_stderr , } ; spawn ( move | | { let mut to_print = Vec :: new ( ) ; let mut reader = BufReader :: new ( child_stderr ) ; loop { let buffer = reader . fill_buf ( ) . expect ( " " ) ; if buffer . is_empty ( ) { return ; } for & byte in buffer { if raw_mode && byte == b'\n' { to_print . push ( b'\r' ) ; } to_print . push ( byte ) ; } stderr ( ) . write_all ( & to_print ) . expect ( " " ) ; to_print . clear ( ) ; let buffer_len = buffer . len ( ) ; reader . consume ( buffer_len ) ; } } ) ; }
Forwards child's stderr to our stderr if child's stderr is piped, converting
line endings to CRLF if raw_mode is true.
Forwards child ' s stderr to our stderr if child ' s stderr is piped converting line endings to CRLF if raw_mode is true .
child
&mut Child
raw_mode
bool
child
&mut Child
raw_mode
bool