44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| 
								 | 
							
								// Copyright 2021 The go-ethereum Authors
							 | 
						||
| 
								 | 
							
								// This file is part of the go-ethereum library.
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								// The go-ethereum library is free software: you can redistribute it and/or modify
							 | 
						||
| 
								 | 
							
								// it under the terms of the GNU Lesser General Public License as published by
							 | 
						||
| 
								 | 
							
								// the Free Software Foundation, either version 3 of the License, or
							 | 
						||
| 
								 | 
							
								// (at your option) any later version.
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								// The go-ethereum library is distributed in the hope that it will be useful,
							 | 
						||
| 
								 | 
							
								// but WITHOUT ANY WARRANTY; without even the implied warranty of
							 | 
						||
| 
								 | 
							
								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
							 | 
						||
| 
								 | 
							
								// GNU Lesser General Public License for more details.
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								// You should have received a copy of the GNU Lesser General Public License
							 | 
						||
| 
								 | 
							
								// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								// +build openbsd
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								package utils
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								import (
							 | 
						||
| 
								 | 
							
									"fmt"
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									"golang.org/x/sys/unix"
							 | 
						||
| 
								 | 
							
								)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								func getFreeDiskSpace(path string) (uint64, error) {
							 | 
						||
| 
								 | 
							
									var stat unix.Statfs_t
							 | 
						||
| 
								 | 
							
									if err := unix.Statfs(path, &stat); err != nil {
							 | 
						||
| 
								 | 
							
										return 0, fmt.Errorf("failed to call Statfs: %v", err)
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Available blocks * size per block = available space in bytes
							 | 
						||
| 
								 | 
							
									var bavail = stat.F_bavail
							 | 
						||
| 
								 | 
							
									// Not sure if the following check is necessary for OpenBSD
							 | 
						||
| 
								 | 
							
									if stat.F_bavail < 0 {
							 | 
						||
| 
								 | 
							
										// FreeBSD can have a negative number of blocks available
							 | 
						||
| 
								 | 
							
										// because of the grace limit.
							 | 
						||
| 
								 | 
							
										bavail = 0
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
									//nolint:unconvert
							 | 
						||
| 
								 | 
							
									return uint64(bavail) * uint64(stat.F_bsize), nil
							 | 
						||
| 
								 | 
							
								}
							 |