printers 2.3.0

Get printers and print files on unix and windows
Documentation 
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use libc::wchar_t;
use std::iter;

pub fn wchar_t_to_string(value: *const wchar_t) -> String {
    if value.is_null() {
        return "".to_string();
    }

    let mut vec: Vec<u16> = Vec::new();
    let mut i = 0;
    unsafe {
        while *value.offset(i) != 0 {
            vec.push(*value.offset(i) as u16);
            i += 1;
        }
    }
    String::from_utf16_lossy(&vec)
}

pub fn str_to_wide_string(value: &str) -> Vec<u16> {
    value.encode_utf16().chain(iter::once(0)).collect()
}