a907d7e81a
This enables the following linters - typecheck - unused - staticcheck - bidichk - durationcheck - exportloopref - gosec WIth a few exceptions. - We use a deprecated protobuf in trezor. I didn't want to mess with that, since I cannot meaningfully test any changes there. - The deprecated TypeMux is used in a few places still, so the warning for it is silenced for now. - Using string type in context.WithValue is apparently wrong, one should use a custom type, to prevent collisions between different places in the hierarchy of callers. That should be fixed at some point, but may require some attention. - The warnings for using weak random generator are squashed, since we use a lot of random without need for cryptographic guarantees.
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
// Copyright 2021 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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//go:build !windows && !openbsd
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// +build !windows,!openbsd
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package utils
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import (
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"fmt"
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"golang.org/x/sys/unix"
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)
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func getFreeDiskSpace(path string) (uint64, error) {
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var stat unix.Statfs_t
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if err := unix.Statfs(path, &stat); err != nil {
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return 0, fmt.Errorf("failed to call Statfs: %v", err)
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}
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// Available blocks * size per block = available space in bytes
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var bavail = stat.Bavail
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// nolint:staticcheck
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if stat.Bavail < 0 {
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// FreeBSD can have a negative number of blocks available
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// because of the grace limit.
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bavail = 0
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}
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//nolint:unconvert
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return uint64(bavail) * uint64(stat.Bsize), nil
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}
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