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// SPDX-FileCopyrightText: Copyright (c) 2005-2008 Dustin Sallings <dustin@spy.net>
// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
// Package humanize provides functions to convert numbers into human-readable formats.
package humanize
import (
"fmt"
"math"
)
// IBytes produces a human readable representation of an IEC size.
func IBytes(s uint64) string {
sizes := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
return humanateBytes(s, 1024, sizes)
}
func humanateBytes(s uint64, base float64, sizes []string) string {
if s < 10 {
return fmt.Sprintf("%d B", s)
}
e := math.Floor(logn(float64(s), base))
suffix := sizes[int(e)]
val := math.Floor(float64(s)/math.Pow(base, e)*10+0.5) / 10
f := "%.0f %s"
if val < 10 {
f = "%.1f %s"
}
return fmt.Sprintf(f, val, suffix)
}
func logn(n, b float64) float64 {
return math.Log(n) / math.Log(b)
}
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