1 files changed, 98 insertions, 0 deletions
diff --git a/vendor/github.com/syndtr/goleveldb/leveldb/util.go b/vendor/github.com/syndtr/goleveldb/leveldb/util.go
new file mode 100644
index 0000000..e572a32
--- /dev/null
+++ b/vendor/github.com/syndtr/goleveldb/leveldb/util.go
@@ -0,0 +1,98 @@
+// 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))
+}
+
+func ensureBuffer(b []byte, n int) []byte {
+	if cap(b) < n {
+		return make([]byte, n)
+	}
+	return b[:n]
+}