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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: svn commit: r986333 - /httpd/httpd/trunk/modules/proxy/mod_proxy_http.c
Date Tue, 17 Aug 2010 15:48:13 GMT
On 17.08.2010 17:22, Jim Jagielski wrote:
>
> On Aug 17, 2010, at 10:55 AM, Rainer Jung wrote:
>
>> On 17.08.2010 16:43, jim@apache.org wrote:
>>> Author: jim
>>> Date: Tue Aug 17 14:43:45 2010
>>> New Revision: 986333
>>>
>>> URL: http://svn.apache.org/viewvc?rev=986333&view=rev
>>> Log:
>>> Further checks for non-body requests...
>>>
>>> Modified:
>>>      httpd/httpd/trunk/modules/proxy/mod_proxy_http.c
>>>
>>> Modified: httpd/httpd/trunk/modules/proxy/mod_proxy_http.c
>>> URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_http.c?rev=986333&r1=986332&r2=986333&view=diff
>>> ==============================================================================
>>> --- httpd/httpd/trunk/modules/proxy/mod_proxy_http.c (original)
>>> +++ httpd/httpd/trunk/modules/proxy/mod_proxy_http.c Tue Aug 17 14:43:45 2010
>>> @@ -704,8 +704,15 @@ int ap_proxy_http_request(apr_pool_t *p,
>>>        * Send the HTTP/1.1 request to the remote server
>>>        */
>>>
>>> +    /*
>>> +     * To be compliant, we only use 100-Continue for requests with no bodies.
>>> +     * We also make sure we won't be talking HTTP/1.0 as well.
>>> +     */
>>>       do_100_continue = (worker->ping_timeout_set
>>>                          &&   !r->header_only
>>> +&&   !r->kept_body
>>> +&&   !(apr_table_get(r->headers_in, "Content-Length"))
>>> +&&   !(apr_table_get(r->headers_in, "Transfer-Encoding"))
>>
>> Did you mean:
>>
>> &&  (!apr_table_get(r->headers_in, "Content-Length") ||
>>     !apr_table_get(r->headers_in, "Transfer-Encoding")
>>
>
> I think you meant:
>
>    &&  (!(apr_table_get(r->headers_in, "Content-Length") || apr_table_get(r->headers_in,
"Transfer-Encoding")))
>
> Which xforms to
>
>    &&  !a
>    &&  !b

See my other post about using expect only *if* there is a body, but 
indeed I got it wrong (sigh!):

&& (apr_table_get(r->headers_in, "Content-Length") ||
     apr_table_get(r->headers_in, "Transfer-Encoding")

Regards,

Rainer

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