Hi Zhenhua,
> These two patches are for server side partial write.
>
> When server writes data into non-blocking IO, we first get the
> read pointer of write_buf and write data as much as we can. Then
> we advance the read_ptr according to the real bytes written.
> ---
> gatchat/ringbuffer.c | 8 ++++++++
> gatchat/ringbuffer.h | 7 +++++++
> 2 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/gatchat/ringbuffer.c b/gatchat/ringbuffer.c
> index 42d5b68..e17c1fa 100644
> --- a/gatchat/ringbuffer.c
> +++ b/gatchat/ringbuffer.c
> @@ -130,6 +130,14 @@ int ring_buffer_read(struct ring_buffer *buf, void
> *data, unsigned int len) return len;
> }
>
> +int ring_buffer_read_advance(struct ring_buffer *buf, unsigned int len)
> +{
> + len = MIN(len, buf->in - buf->out);
> + buf->out += len;
> +
> + return len;
> +}
> +
ring_buffer_drain already does this, that is the one you want to use.
Regards,
-Denis
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