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gitea/vendor/github.com/syndtr/goleveldb/leveldb/util.go

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// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package leveldb
import (
"fmt"
"sort"
"github.com/syndtr/goleveldb/leveldb/storage"
)
func shorten(str string) string {
if len(str) <= 8 {
return str
}
return str[:3] + ".." + str[len(str)-3:]
}
var bunits = [...]string{"", "Ki", "Mi", "Gi"}
func shortenb(bytes int) string {
i := 0
for ; bytes > 1024 && i < 4; i++ {
bytes /= 1024
}
return fmt.Sprintf("%d%sB", bytes, bunits[i])
}
func sshortenb(bytes int) string {
if bytes == 0 {
return "~"
}
sign := "+"
if bytes < 0 {
sign = "-"
bytes *= -1
}
i := 0
for ; bytes > 1024 && i < 4; i++ {
bytes /= 1024
}
return fmt.Sprintf("%s%d%sB", sign, bytes, bunits[i])
}
func sint(x int) string {
if x == 0 {
return "~"
}
sign := "+"
if x < 0 {
sign = "-"
x *= -1
}
return fmt.Sprintf("%s%d", sign, x)
}
func minInt(a, b int) int {
if a < b {
return a
}
return b
}
func maxInt(a, b int) int {
if a > b {
return a
}
return b
}
type fdSorter []storage.FileDesc
func (p fdSorter) Len() int {
return len(p)
}
func (p fdSorter) Less(i, j int) bool {
return p[i].Num < p[j].Num
}
func (p fdSorter) Swap(i, j int) {
p[i], p[j] = p[j], p[i]
}
func sortFds(fds []storage.FileDesc) {
sort.Sort(fdSorter(fds))
}