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Posted to dev@httpd.apache.org by Joe Orton <jo...@redhat.com> on 2005/08/09 11:38:59 UTC

Re: svn commit: r230733 - /httpd/httpd/trunk/modules/proxy/mod_proxy_http.c

On Mon, Aug 08, 2005 at 07:11:39AM -0500, William Rowe wrote:
> At 09:51 PM 8/7/2005, wrowe@apache.org wrote:
> >Author: wrowe
> >Date: Sun Aug  7 19:51:32 2005
> >New Revision: 230733
> >
> >URL: http://svn.apache.org/viewcvs?rev=230733&view=rev
> >Log:
> >
> >  Fix a double-termination case in svn trunk/; we terminated the
> >  headers up-front knowing the resulting headers were already
> >  correctly composed.
> >
> >--- httpd/httpd/trunk/modules/proxy/mod_proxy_http.c (original)
> >+++ httpd/httpd/trunk/modules/proxy/mod_proxy_http.c Sun Aug  7 19:51:32 2005
> >@@ -398,7 +398,6 @@
> >         /* we never sent the header brigade since there was no request
> >          * body; send it now with the flush flag
> >          */
> >-        terminate_headers(bucket_alloc, header_brigade);
> 
> Joe - this was an evil thing; try your regressions now.  I expect
> you will be happier.  But I'm not even sure if you ever touched
> this specific case.

Great, yes with last night's regression run the segfaults with worker 
were gone and the tests are all passing for prefork and worker again on 
the trunk - thanks a lot Bill.  -Werror builds are failing though:

mod_proxy_http.c: In function `ap_proxy_http_request':
mod_proxy_http.c:312: warning: 'status' might be used uninitialized in 
this function


joe

Re: svn commit: r230733 - /httpd/httpd/trunk/modules/proxy/mod_proxy_http.c

Posted by Joe Orton <jo...@redhat.com>.
On Tue, Aug 09, 2005 at 11:40:36AM -0500, William Rowe wrote:
> At 04:38 AM 8/9/2005, Joe Orton wrote:
> 
> >Great, yes with last night's regression run the segfaults with worker 
> >were gone and the tests are all passing for prefork and worker again on 
> >the trunk - thanks a lot Bill.  -Werror builds are failing though:
> >
> >mod_proxy_http.c: In function `ap_proxy_http_request':
> >mod_proxy_http.c:312: warning: 'status' might be used uninitialized in 
> >this function
> 
> Does this patch resolve status for your compiler's -Werror?
> (already committed to trunk, will hold off on proxyreq-2.0.x
> till I hear back.)

No, that didn't fix it.  gcc knows that the ap_assert would call a 
function which never returns, so that code path would not fall through 
any further.  I committed a fix - the line number is key in gcc warnings 
not the function name, since the latter gets screwed up by all the 
inlining which goes on.

> --- httpd/httpd/trunk/modules/proxy/mod_proxy_http.c (original)
> +++ httpd/httpd/trunk/modules/proxy/mod_proxy_http.c Tue Aug  9 07:54:46 2005
> @@ -949,7 +949,8 @@
>                                                || (bytes_read > 0));
>          break;
>      default:
> -        ap_assert(1 != 1);
> +        /* shouldn't be possible */
> +        status = APR_EINVAL;
>          break;
>      }
>  
> 

Re: svn commit: r230733 - /httpd/httpd/trunk/modules/proxy/mod_proxy_http.c

Posted by "William A. Rowe, Jr." <wr...@rowe-clan.net>.
At 04:38 AM 8/9/2005, Joe Orton wrote:

>Great, yes with last night's regression run the segfaults with worker 
>were gone and the tests are all passing for prefork and worker again on 
>the trunk - thanks a lot Bill.  -Werror builds are failing though:
>
>mod_proxy_http.c: In function `ap_proxy_http_request':
>mod_proxy_http.c:312: warning: 'status' might be used uninitialized in 
>this function

Does this patch resolve status for your compiler's -Werror?
(already committed to trunk, will hold off on proxyreq-2.0.x
till I hear back.)

--- httpd/httpd/trunk/modules/proxy/mod_proxy_http.c (original)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy_http.c Tue Aug  9 07:54:46 2005
@@ -949,7 +949,8 @@
                                               || (bytes_read > 0));
         break;
     default:
-        ap_assert(1 != 1);
+        /* shouldn't be possible */
+        status = APR_EINVAL;
         break;
     }
 



Re: svn commit: r230733 - /httpd/httpd/trunk/modules/proxy/mod_proxy_http.c

Posted by "William A. Rowe, Jr." <wr...@rowe-clan.net>.
At 04:38 AM 8/9/2005, Joe Orton wrote:

>Great, yes with last night's regression run the segfaults with worker 
>were gone and the tests are all passing for prefork and worker again on 
>the trunk - thanks a lot Bill.  -Werror builds are failing though:
>
>mod_proxy_http.c: In function `ap_proxy_http_request':
>mod_proxy_http.c:312: warning: 'status' might be used uninitialized in 
>this function

Does this patch resolve status for your compiler's -Werror?
(already committed to trunk, will hold off on proxyreq-2.0.x
till I hear back.)

--- httpd/httpd/trunk/modules/proxy/mod_proxy_http.c (original)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy_http.c Tue Aug  9 07:54:46 2005
@@ -949,7 +949,8 @@
                                               || (bytes_read > 0));
         break;
     default:
-        ap_assert(1 != 1);
+        /* shouldn't be possible */
+        status = APR_EINVAL;
         break;
     }