40 lines
772 B
Go
40 lines
772 B
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package main
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import (
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"bufio"
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"errors"
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"os"
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"strconv"
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"strings"
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)
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func memorySize() (int64, error) {
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f, err := os.Open("/proc/meminfo")
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if err != nil {
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return 0, err
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}
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s := bufio.NewScanner(f)
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if !s.Scan() {
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return 0, errors.New("/proc/meminfo parse error 1")
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}
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l := s.Text()
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fs := strings.Fields(l)
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if len(fs) != 3 || fs[2] != "kB" {
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return 0, errors.New("/proc/meminfo parse error 2")
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}
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kb, err := strconv.ParseInt(fs[1], 10, 64)
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if err != nil {
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return 0, err
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}
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return kb * 1024, nil
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}
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