[Libguestfs] [PATCH v2 2/4] common/mltools: make sure machine readable output is flushed

[Richard W.M. Jones]

On Thu, Mar 28, 2019 at 05:59:29PM +0100, Pino Toscano wrote:
> Enhance the helper printf function for machine readable output to always
> flush after each string: this way, readers of the machine readable
> stream can get the output as soon as it is outputted.
> ---
>  common/mltools/tools_utils.ml | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/common/mltools/tools_utils.ml b/common/mltools/tools_utils.ml
> index 5a35708cd..ade4cb37f 100644
> --- a/common/mltools/tools_utils.ml
> +++ b/common/mltools/tools_utils.ml
> @@ -59,7 +59,11 @@ let machine_readable () =
>    | None -> None
>    | Some chan ->
>      let pr fs =
> -      ksprintf (output_string chan) fs
> +      let out s =
> +        output_string chan s;
> +        flush chan
> +      in
> +      ksprintf out fs
>      in
>      Some { pr }

ACK

Rich.

-- 
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