mirror of
https://github.com/shtorm-7/sing-box-extended.git
synced 2026-05-14 00:51:12 +03:00
75 lines
1.5 KiB
Go
75 lines
1.5 KiB
Go
package byteformats
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import (
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"fmt"
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"math"
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)
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var (
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unitNames = []string{"B", "kB", "MB", "GB", "TB", "PB", "EB"}
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iUnitNames = []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
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kUnitNames = []string{"kB", "MB", "GB", "TB", "PB", "EB"}
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kiUnitNames = []string{"KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
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)
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func formatBytes(s uint64, base float64, sizes []string) string {
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if s < 10 {
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return fmt.Sprintf("%d B", s)
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}
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e := math.Floor(logn(float64(s), base))
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suffix := sizes[int(e)]
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val := math.Floor(float64(s)/math.Pow(base, e)*10+0.5) / 10
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f := "%.0f %s"
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if val < 10 {
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f = "%.1f %s"
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}
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return fmt.Sprintf(f, val, suffix)
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}
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func formatKBytes(s uint64, base float64, sizes []string) string {
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if s == 0 {
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return fmt.Sprintf("0 %s", sizes[0])
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}
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e := math.Floor(logn(float64(s), base))
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if e < 1 {
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e = 1
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}
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suffix := sizes[int(e)-1]
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val := math.Floor(float64(s)/math.Pow(base, e)*10+0.5) / 10
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f := "%.0f %s"
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if val < 10 {
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f = "%.1f %s"
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}
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return fmt.Sprintf(f, val, suffix)
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}
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func logn(n, b float64) float64 {
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return math.Log(n) / math.Log(b)
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}
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func FormatBytes(s uint64) string {
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return formatBytes(s, 1000, unitNames)
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}
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func FormatMemoryBytes(s uint64) string {
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return formatBytes(s, 1024, unitNames)
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}
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func FormatIBytes(s uint64) string {
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return formatBytes(s, 1024, iUnitNames)
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}
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func FormatKBytes(s uint64) string {
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return formatKBytes(s, 1000, kUnitNames)
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}
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func FormatMemoryKBytes(s uint64) string {
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return formatKBytes(s, 1024, kUnitNames)
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}
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func FormatKIBytes(s uint64) string {
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return formatKBytes(s, 1024, kiUnitNames)
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}
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