syncthing/lib/ur/memsize_linux.go

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2014-11-16 20:13:20 +00:00
// 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
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
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package ur
import (
"bufio"
"os"
"strconv"
"strings"
)
func memorySize() int64 {
f, err := os.Open("/proc/meminfo")
if err != nil {
return 0
}
defer f.Close()
s := bufio.NewScanner(f)
if !s.Scan() {
return 0
}
l := s.Text()
fs := strings.Fields(l)
if len(fs) != 3 || fs[2] != "kB" {
return 0
}
kb, err := strconv.ParseInt(fs[1], 10, 64)
if err != nil {
return 0
}
return kb * 1024
}