From ec73ec092d149e20e13cdb0f4b9dbefa9d21a19e Mon Sep 17 00:00:00 2001
From: Tobias Hildebrandt
<79341166+tobias-hildebrandt@users.noreply.github.com>
Date: Sat, 20 Mar 2021 18:54:17 +0000
Subject: [PATCH] cmd/utils: fix compilation issue on openbsd (#22511)
---
cmd/utils/diskusage.go | 2 +-
cmd/utils/diskusage_openbsd.go | 43 ++++++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+), 1 deletion(-)
create mode 100644 cmd/utils/diskusage_openbsd.go
diff --git a/cmd/utils/diskusage.go b/cmd/utils/diskusage.go
index da696de6b..c3d51765f 100644
--- a/cmd/utils/diskusage.go
+++ b/cmd/utils/diskusage.go
@@ -14,7 +14,7 @@
// 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 !windows
+// +build !windows,!openbsd
package utils
diff --git a/cmd/utils/diskusage_openbsd.go b/cmd/utils/diskusage_openbsd.go
new file mode 100644
index 000000000..54f759d29
--- /dev/null
+++ b/cmd/utils/diskusage_openbsd.go
@@ -0,0 +1,43 @@
+// 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
+}
--
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