wininet: Don't assume that end of chunk means end of stream.

[Jacek Caban]

Hi Hans,

On 09/11/13 13:50, Hans Leidekker wrote:
>  static DWORD chunked_get_avail_data(data_stream_t *stream, http_request_t *req)
>  {
> -    /* Allow reading only from read buffer */
> +    chunked_stream_t *chunked_stream = (chunked_stream_t*)stream;
> +    DWORD res;
> +
> +    if(!chunked_stream->chunk_size || chunked_stream->chunk_size == ~0u) {
> +        res = start_next_chunk(chunked_stream, req);
> +        if(res != ERROR_SUCCESS)
> +            return 0;
> +    }

start_next_chunk may block and we don't want chunked_get_avail_data to
block.

Jacek
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