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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build linux || darwin
// +build linux darwin
package storage
import "syscall"
// GetTargetDirectoryCapacity get the capacity (bytes) of directory
func GetTargetDirectoryCapacity(path string) (uint64, error) {
var stat syscall.Statfs_t
err := syscall.Statfs(path, &stat)
if err != nil {
return 0, err
}
c := stat.Bavail * uint64(stat.Bsize)
return c, nil
}