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/*
* bb
*
* Copyright 2019 Manos Pitsidianakis
*
* This file is part of bb.
*
* bb 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.
*
* bb 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 bb. If not, see <http://www.gnu.org/licenses/>.
*/
/*!
* This library exports the public types and methods of its modules
*/
#[allow(dead_code)]
mod text_processing;
pub use crate::ui::text_processing::*;
#[macro_use]
#[allow(dead_code)]
mod types;
pub use crate::ui::types::*;
#[macro_use]
#[allow(dead_code)]
mod terminal;
pub use crate::ui::terminal::*;
pub mod state;
pub use crate::ui::state::*;
#[allow(dead_code)]
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, buffer: &mut [i8; 16384]) -> Option<libc::passwd> {
let mut pwentp = null_mut();
#[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, buffer, 16384, &mut pwentp);
}
if pwentp.is_null() {
None
} else {
Some(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, buffer.as_mut_ptr(), 16384, &mut pwentp);
}
if pwentp.is_null() {
None
} else {
Some(pwent)
}
}
}
pub fn username(uid: u32) -> String {
let mut buffer = [0i8; 16384]; // from the man page
let pwent = getpwuid(uid, &mut buffer);
let string;
unsafe {
string = match pwent {
None => uid.to_string(),
Some(p) => ::std::ffi::CStr::from_ptr(p.pw_name)
.to_str()
.unwrap_or_else(|_| "")
.to_string()
}
}
string
}
}
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