1 files changed, 64 insertions, 0 deletions
diff --git a/buckets/apr_buckets_refcount.c b/buckets/apr_buckets_refcount.c
new file mode 100644
index 0000000..0e765d9
--- /dev/null
+++ b/buckets/apr_buckets_refcount.c
@@ -0,0 +1,64 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_buckets.h"
+
+APU_DECLARE_NONSTD(apr_status_t) apr_bucket_shared_split(apr_bucket *a,
+                                                         apr_size_t point)
+{
+    apr_bucket_refcount *r = a->data;
+    apr_status_t rv;
+
+    if ((rv = apr_bucket_simple_split(a, point)) != APR_SUCCESS) {
+        return rv;
+    }
+    r->refcount++;
+
+    return APR_SUCCESS;
+}
+
+APU_DECLARE_NONSTD(apr_status_t) apr_bucket_shared_copy(apr_bucket *a,
+                                                        apr_bucket **b)
+{
+    apr_bucket_refcount *r = a->data;
+
+    apr_bucket_simple_copy(a, b);
+    r->refcount++;
+
+    return APR_SUCCESS;
+}
+
+APU_DECLARE(int) apr_bucket_shared_destroy(void *data)
+{
+    apr_bucket_refcount *r = data;
+    r->refcount--;
+    return (r->refcount == 0);
+}
+
+APU_DECLARE(apr_bucket *) apr_bucket_shared_make(apr_bucket *b, void *data,
+                                                 apr_off_t start,
+                                                 apr_size_t length)
+{
+    apr_bucket_refcount *r = data;
+
+    b->data   = r;
+    b->start  = start;
+    b->length = length;
+    /* caller initializes the type field */
+    r->refcount = 1;
+
+    return b;
+}