bfree 0.1.7

Human-friendly Linux memory usage.
Documentation 
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/// Format bytes into short human-readable units (binary/IEC style).
/// 1024 base, like Linux tools.
pub fn fmt_short(bytes: u64) -> String {
    const K: f64 = 1024.0;
    const M: f64 = 1024.0 * 1024.0;
    const G: f64 = 1024.0 * 1024.0 * 1024.0;
    const T: f64 = 1024.0 * 1024.0 * 1024.0 * 1024.0;

    let b = bytes as f64;

    fn fmt(value: f64, unit: &str) -> String {
        let mut s = format!("{value:.1}");
        if s.ends_with(".0") {
            s.truncate(s.len() - 2);
        }
        format!("{s}{unit}")
    }

    if b >= T {
        fmt(b / T, "T")
    } else if b >= G {
        fmt(b / G, "G")
    } else if b >= M {
        fmt(b / M, "M")
    } else if b >= K {
        fmt(b / K, "K")
    } else {
        format!("{bytes}B")
    }
}