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/*
* meli - ui crate.
*
* Copyright 2017-2018 Manos Pitsidianakis
*
* This file is part of meli.
*
* meli is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* meli is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with meli. If not, see <http://www.gnu.org/licenses/>.
*/
/*!
* This library exports the public types and methods of its modules
*/
mod text_processing;
pub use crate::ui::text_processing::*;
#[macro_use]
mod types;
pub use crate::ui::types::*;
#[macro_use]
mod terminal;
pub use crate::ui::terminal::*;
pub mod state;
pub use crate::ui::state::*;
pub mod components;
pub use crate::ui::components::*;
pub use crate::ui::username::*;
pub mod username {
use libc;
use std::ptr::null_mut;
/* taken from whoami-0.1.1 */
fn getpwuid(pw_uid: u32) -> libc::passwd {
let mut pwentp = null_mut();
let mut buffer = [0i8; 16384]; // from the man page
#[cfg(any(
target_os = "macos",
target_os = "ios",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "openbsd",
target_os = "netbsd"
))]
{
let mut pwent = libc::passwd {
pw_name: null_mut(),
pw_passwd: null_mut(),
pw_uid,
pw_gid: 0,
pw_change: 0,
pw_class: null_mut(),
pw_gecos: null_mut(),
pw_dir: null_mut(),
pw_shell: null_mut(),
pw_expire: 0,
};
unsafe {
libc::getpwuid_r(pw_uid, &mut pwent, &mut buffer[0], 16384, &mut pwentp);
}
pwent
}
#[cfg(target_os = "linux")]
{
let mut pwent = libc::passwd {
pw_name: null_mut(),
pw_passwd: null_mut(),
pw_uid,
pw_gid: 0,
pw_gecos: null_mut(),
pw_dir: null_mut(),
pw_shell: null_mut(),
};
unsafe {
libc::getpwuid_r(pw_uid, &mut pwent, &mut buffer[0], 16384, &mut pwentp);
}
pwent
}
}
fn ptr_to_string(name: *mut i8) -> String {
let uname = name as *mut _ as *mut u8;
let s;
let string;
unsafe {
s = ::std::slice::from_raw_parts(uname, libc::strlen(name));
string = String::from_utf8_lossy(s).to_string();
}
string
}
pub fn username(uid: u32) -> String {
let pwent = getpwuid(uid);
ptr_to_string(pwent.pw_name)
}
}
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