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List: apache-cvs
Subject: svn commit: r958253 - /httpd/httpd/trunk/modules/filters/mod_deflate.c
From: sf () apache ! org
Date: 2010-06-26 17:41:01
Message-ID: 20100626174102.09E2B2388903 () eris ! apache ! org
[Download RAW message or body]
Author: sf
Date: Sat Jun 26 17:41:01 2010
New Revision: 958253
URL: http://svn.apache.org/viewvc?rev=958253&view=rev
Log:
Stop compressing if we are doing a HEAD request and the content-length filter
can't determine the content-length anyway.
Submitted by: Ruediger Pluem
Modified:
httpd/httpd/trunk/modules/filters/mod_deflate.c
Modified: httpd/httpd/trunk/modules/filters/mod_deflate.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/filters/mod_deflate.c?rev=958253&r1=958252&r2=958253&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/filters/mod_deflate.c (original)
+++ httpd/httpd/trunk/modules/filters/mod_deflate.c Sat Jun 26 17:41:01 2010
@@ -637,6 +637,19 @@ static apr_status_t deflate_out_filter(a
apr_bucket *b;
apr_size_t len;
+ /*
+ * Optimization: If we are a HEAD request and bytes_sent is not zero
+ * it means that we have passed the content-length filter once and
+ * have more data to sent. This means that the content-length filter
+ * could not determine our content-length for the response to the
+ * HEAD request anyway (the associated GET request would deliver the
+ * body in chunked encoding) and we can stop compressing.
+ */
+ if (r->header_only && r->bytes_sent) {
+ ap_remove_output_filter(f);
+ return ap_pass_brigade(f->next, bb);
+ }
+
e = APR_BRIGADE_FIRST(bb);
if (APR_BUCKET_IS_EOS(e)) {
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