listMultipart: bugfixes. (#1318)

object-utils.go

@@ -22,6 +22,10 @@ import (
 	"unicode/utf8"
 )
 
+const (
+	slashPathSeparator = "/"
+)
+
 // validBucket regexp.
 var validBucket = regexp.MustCompile(`^[a-z0-9][a-z0-9\.\-]{1,61}[a-z0-9]$`)
 
@@ -85,3 +89,7 @@ func IsValidObjectPrefix(object string) bool {
 	return IsValidObjectName(object)
 
 }
+
+func pathJoin(path1 string, path2 string) string {
+	return strings.TrimSuffix(path1, slashPathSeparator) + slashPathSeparator + path2
+}