Commit 5bc6f1db authored by Ryan Bloom's avatar Ryan Bloom
Browse files

Add a comment about how http_filter works. 

Submitted by:	Graham Leggett <minfrin@sharp.fm>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88911 13f79535-47bb-0310-9956-ffa450edef68
parent 803ca423

modules/http/http_protocol.c

+5 −0
Original line number Diff line number Diff line
@@ -575,6 +575,11 @@ apr_status_t ap_http_filter(ap_filter_t *f, apr_bucket_brigade *b, ap_input_mode 
            }



            if (len) {

                /* note: this can sometimes insert empty buckets into the

                 * brigade, or the data might come in a few characters at

                 * a time - don't assume that one call to apr_bucket_read()

                 * will return the full string.

                 */

                if (f->c->remain < len) {

                    apr_bucket_split(e, f->c->remain);

                    f->c->remain = 0;