src/passwd.rs


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use libc::uid_t;
use std::ffi::CStr;

pub fn get_uid_by_name<S: AsRef<CStr> + ?Sized>(name: &S) -> Option<uid_t> {
    let passwd = unsafe { libc::getpwnam(name.as_ref().as_ptr()) };
    if !passwd.is_null() {
        Some(unsafe { *passwd }.pw_uid)
    } else {
        None
    }
}