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use std::path;
pub fn is_executable(mode: u32) -> bool {
#[allow(clippy::unnecessary_cast)]
const LIBC_PERMISSION_VALS: [u32; 3] = [
libc::S_IXUSR as u32,
libc::S_IXGRP as u32,
libc::S_IXOTH as u32,
];
LIBC_PERMISSION_VALS.iter().any(|val| mode & *val != 0)
}
pub fn mode_to_string(mode: u32) -> String {
#[allow(clippy::unnecessary_cast)]
const LIBC_FILE_VALS: [(u32, char); 7] = [
(libc::S_IFREG as u32 >> 9, '-'),
(libc::S_IFDIR as u32 >> 9, 'd'),
(libc::S_IFLNK as u32 >> 9, 'l'),
(libc::S_IFSOCK as u32 >> 9, 's'),
(libc::S_IFBLK as u32 >> 9, 'b'),
(libc::S_IFCHR as u32 >> 9, 'c'),
(libc::S_IFIFO as u32 >> 9, 'f'),
];
#[allow(clippy::unnecessary_cast)]
const LIBC_PERMISSION_VALS: [(u32, char); 9] = [
(libc::S_IRUSR as u32, 'r'),
(libc::S_IWUSR as u32, 'w'),
(libc::S_IXUSR as u32, 'x'),
(libc::S_IRGRP as u32, 'r'),
(libc::S_IWGRP as u32, 'w'),
(libc::S_IXGRP as u32, 'x'),
(libc::S_IROTH as u32, 'r'),
(libc::S_IWOTH as u32, 'w'),
(libc::S_IXOTH as u32, 'x'),
];
let mut mode_str: String = String::with_capacity(10);
let mode_shifted = mode >> 9;
for (val, ch) in LIBC_FILE_VALS.iter() {
if mode_shifted == *val {
mode_str.push(*ch);
break;
}
}
for (val, ch) in LIBC_PERMISSION_VALS.iter() {
if mode & *val != 0 {
mode_str.push(*ch);
} else {
mode_str.push('-');
}
}
mode_str
}
pub fn expand_shell_string_cow(s: &str) -> std::borrow::Cow<'_, str> {
let dir = dirs_next::home_dir();
let os_str = dir.map(|s| s.as_os_str().to_owned());
let context_func = || {
let cow_str = os_str.as_ref().map(|s| s.to_string_lossy());
cow_str
};
shellexpand::tilde_with_context(s, context_func)
}
pub fn expand_shell_string(s: &str) -> path::PathBuf {
let dir = dirs_next::home_dir();
let os_str = dir.map(|s| s.as_os_str().to_owned());
let context_func = || {
let cow_str = os_str.as_ref().map(|s| s.to_string_lossy());
cow_str
};
let tilde_cow = shellexpand::tilde_with_context(s, context_func);
let tilde_path = path::PathBuf::from(tilde_cow.as_ref());
tilde_path
}
pub fn uid_to_string(uid: u32) -> Option<String> {
use nix::unistd::{Uid, User};
match User::from_uid(Uid::from(uid)) {
Ok(Some(user)) => Some(user.name),
_ => None,
}
}
pub fn gid_to_string(gid: u32) -> Option<String> {
use nix::unistd::{Gid, Group};
match Group::from_gid(Gid::from(gid)) {
Ok(Some(group)) => Some(group.name),
_ => None,
}
}
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