// RLX — versatile ML compiler + runtime.
// Copyright (C) 2026 Eugene Hauptmann, Nataliya Kosmyna.
//
// This program 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, version 3.
//
// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.

//! Shared env helpers (`OCR_*` preferred; `OCRS_*` legacy).

pub fn env_var(primary: &str, legacy: &str) -> Option<String> {
    std::env::var(primary)
        .ok()
        .or_else(|| std::env::var(legacy).ok())
}

#[allow(dead_code)]
pub fn env_is_1(primary: &str, legacy: &str) -> bool {
    env_var(primary, legacy).as_deref() == Some("1")
}
