//! CAI-Watchdog filesystem module
//! Author: Alexander I. Chebykin (CAI) <alex.chebykin@gmail.com>

use std::env;
use std::path::PathBuf;

/// Return executable path
///
/// Return executable path or . if can't determine it
pub fn get_exe_path() -> String {
    let mut dir;
    let exe_path: String;

    match env::current_exe() {
        Ok(full_name) => {
            dir = PathBuf::from(full_name);
            dir.pop();
            exe_path = dir.clone().into_os_string().into_string().unwrap();
        },
        Err(_e) => {
            exe_path = ".".to_string();
        },
    }

    return exe_path;
}