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Re: [PATCH v2] ios: call `fflush' on output streams


From: Jose E. Marchesi
Subject: Re: [PATCH v2] ios: call `fflush' on output streams
Date: Fri, 03 Feb 2023 01:37:40 +0100
User-agent: Gnus/5.13 (Gnus v5.13)

> 2023-02-03  Mohammad-Reza Nabipoor  <mnabipoor@gnu.org>
>
>       * libpoke/ios-dev-stream.c: Include `<assert.h>'.
>       (ios_dev_stream_flush): Call `fflush' when user calls `flush'
>       on output streams.
> ---
>
> Hi Jose.
>
> Agreed :)

Thanks.
OK for master!

>
>
>  ChangeLog                | 6 ++++++
>  libpoke/ios-dev-stream.c | 8 +++++++-
>  2 files changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/ChangeLog b/ChangeLog
> index becafbc7..0e782345 100644
> --- a/ChangeLog
> +++ b/ChangeLog
> @@ -1,3 +1,9 @@
> +2023-02-03  Mohammad-Reza Nabipoor  <mnabipoor@gnu.org>
> +
> +     * libpoke/ios-dev-stream.c: Include `<assert.h>'.
> +     (ios_dev_stream_flush): Call `fflush' when user calls `flush'
> +     on output streams.
> +
>  2023-02-03  Jose E. Marchesi  <jemarch@gnu.org>
>  
>       * libpoke/pkl-rt.pk (_pkl_64x64_128): New function.
> diff --git a/libpoke/ios-dev-stream.c b/libpoke/ios-dev-stream.c
> index 952af51e..573d6124 100644
> --- a/libpoke/ios-dev-stream.c
> +++ b/libpoke/ios-dev-stream.c
> @@ -20,6 +20,7 @@
>  #include <stdlib.h>
>  #include <unistd.h>
>  
> +#include <assert.h>
>  #include <stdio.h>
>  #include <string.h>
>  
> @@ -249,12 +250,17 @@ static int
>  ios_dev_stream_flush (void *iod, ios_dev_off offset)
>  {
>    struct ios_dev_stream *sio = iod;
> +
>    if (sio->flags & IOS_F_READ
>        && offset > ios_buffer_get_begin_offset (sio->buffer)
>        && offset <= ios_buffer_get_end_offset (sio->buffer))
>      return ios_buffer_forget_till (sio->buffer, offset);
>    else
> -    return IOS_OK;
> +    {
> +      assert (sio->flags & IOS_F_WRITE);
> +      fflush (sio->file);
> +    }
> +  return IOS_OK;
>  }
>  
>  struct ios_dev_if ios_dev_stream =



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