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add if to prevent crash

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This commit is contained in:
Victor Vieux 2013-07-08 18:19:12 +00:00
parent fd97190ee7
commit 3a20e4e15d
1 changed files with 3 additions and 0 deletions
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3
commands.go
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@ -1516,6 +1516,9 @@ func (cli *DockerCli) getTtySize() (int, int) {
ws, err := term.GetWinsize(cli.terminalFd)
if err != nil {
utils.Debugf("Error getting size: %s", err)
if ws == nil {
return 0, 0
}
}
return int(ws.Height), int(ws.Width)
}