Handle the case where a brigade might have buckets following the eos

bucket. In this case the cache provider passes all buckets through as
is once the cached entry is marked as done.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@996713 13f79535-47bb-0310-9956-ffa450edef68

modules/cache/mod_disk_cache.c

@@ -1051,13 +1051,21 @@ static apr_status_t store_body(cache_handle_t *h, request_rec *r,
 
         e = APR_BRIGADE_FIRST(in);
 
+        /* are we done completely? if so, pass any trailing buckets right through */
+        if (dobj->done) {
+            APR_BUCKET_REMOVE(e);
+            APR_BRIGADE_INSERT_TAIL(out, e);
+            continue;
+        }
+
         /* have we seen eos yet? */
         if (APR_BUCKET_IS_EOS(e)) {
             seen_eos = 1;
+            dobj->done = 1;
             APR_BUCKET_REMOVE(e);
             APR_BRIGADE_CONCAT(out, dobj->bb);
             APR_BRIGADE_INSERT_TAIL(out, e);
-            continue;
+            break;
         }
 
         /* honour flush buckets, we'll get called again */

modules/cache/mod_disk_cache.h

@@ -73,6 +73,7 @@ typedef struct disk_cache_object {
     apr_bucket_brigade *bb;      /* Set aside brigade */
     apr_off_t offset;            /* Max size to set aside */
     apr_time_t timeout;          /* Max time to set aside */
+    int done;                    /* Is the attempt to cache complete? */
 } disk_cache_object_t;