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-rw-r--r--buckets/apr_buckets_refcount.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/buckets/apr_buckets_refcount.c b/buckets/apr_buckets_refcount.c
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+++ b/buckets/apr_buckets_refcount.c
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+/* 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;
+}