initial commit

change project name to egui_rpm_installer

src/utils.rs

@@ -0,0 +1,25 @@
+use std::fmt::Write;
+
+pub fn size_to_string(size: f64) -> String {
+    if size <= 0.0 {
+        return "-".to_string();
+    }
+
+    const UNITS: [&str; 4] = ["B", "KB", "MB", "GB"];
+
+    let i = if size < 1.0 {
+        0
+    } else {
+        size.log(1024.0).floor() as usize
+    };
+
+    let i = i.min(UNITS.len().saturating_sub(1));
+
+    let p = 1024_f64.powf(i as f64);
+    let s = size / p;
+
+    let mut buffer = String::with_capacity(10);
+    write!(&mut buffer, "{:.2} {}", s, UNITS[i]).unwrap();
+
+    buffer
+}