46 lines
946 B
Go
46 lines
946 B
Go
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package mount
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import (
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"bufio"
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"fmt"
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"os"
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)
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const (
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mountinfoFormat = "%d %d %d:%d %s %s %s - %s %s %s"
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)
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// Represents one line from /proc/self/mountinfo
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type procEntry struct {
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id, parent, major, minor int
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source, mountpoint, fstype, device string
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vfsopts, opts string
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}
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// Parse /proc/self/mountinfo because comparing Dev and ino does not work from bind mounts
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func parseMountTable() ([]*procEntry, error) {
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f, err := os.Open("/proc/self/mountinfo")
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if err != nil {
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return nil, err
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}
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defer f.Close()
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s := bufio.NewScanner(f)
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out := []*procEntry{}
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for s.Scan() {
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if err := s.Err(); err != nil {
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return nil, err
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}
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p := &procEntry{}
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if _, err := fmt.Sscanf(s.Text(), mountinfoFormat,
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&p.id, &p.parent, &p.major, &p.minor,
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&p.source, &p.mountpoint, &p.vfsopts, &p.fstype,
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&p.device, &p.opts); err != nil {
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return nil, err
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}
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out = append(out, p)
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}
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return out, nil
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}
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