From a1e354165254cd9e346751e6c2ddc554feeb0e6d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 08:30:05 +0200
Subject: Adding upstream version 1.6.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 buckets/apr_buckets_heap.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 buckets/apr_buckets_heap.c

(limited to 'buckets/apr_buckets_heap.c')

diff --git a/buckets/apr_buckets_heap.c b/buckets/apr_buckets_heap.c
new file mode 100644
index 0000000..00f9808
--- /dev/null
+++ b/buckets/apr_buckets_heap.c
@@ -0,0 +1,96 @@
+/* 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"
+#define APR_WANT_MEMFUNC
+#include "apr_want.h"
+
+static apr_status_t heap_bucket_read(apr_bucket *b, const char **str, 
+                                     apr_size_t *len, apr_read_type_e block)
+{
+    apr_bucket_heap *h = b->data;
+
+    *str = h->base + b->start;
+    *len = b->length;
+    return APR_SUCCESS;
+}
+
+static void heap_bucket_destroy(void *data)
+{
+    apr_bucket_heap *h = data;
+
+    if (apr_bucket_shared_destroy(h)) {
+        (*h->free_func)(h->base);
+        apr_bucket_free(h);
+    }
+}
+
+/* Warning: if you change this function, be sure to
+ * change apr_bucket_pool_make() too! */
+APU_DECLARE(apr_bucket *) apr_bucket_heap_make(apr_bucket *b, const char *buf,
+                                               apr_size_t length,
+                                               void (*free_func)(void *data))
+{
+    apr_bucket_heap *h;
+
+    h = apr_bucket_alloc(sizeof(*h), b->list);
+
+    if (!free_func) {
+        h->alloc_len = length;
+        h->base = apr_bucket_alloc(h->alloc_len, b->list);
+        if (h->base == NULL) {
+            apr_bucket_free(h);
+            return NULL;
+        }
+        h->free_func = apr_bucket_free;
+        memcpy(h->base, buf, length);
+    }
+    else {
+        /* XXX: we lose the const qualifier here which indicates
+         * there's something screwy with the API...
+         */
+        h->base = (char *) buf;
+        h->alloc_len = length;
+        h->free_func = free_func;
+    }
+
+    b = apr_bucket_shared_make(b, h, 0, length);
+    b->type = &apr_bucket_type_heap;
+
+    return b;
+}
+
+APU_DECLARE(apr_bucket *) apr_bucket_heap_create(const char *buf,
+                                                 apr_size_t length,
+                                                 void (*free_func)(void *data),
+                                                 apr_bucket_alloc_t *list)
+{
+    apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
+
+    APR_BUCKET_INIT(b);
+    b->free = apr_bucket_free;
+    b->list = list;
+    return apr_bucket_heap_make(b, buf, length, free_func);
+}
+
+APU_DECLARE_DATA const apr_bucket_type_t apr_bucket_type_heap = {
+    "HEAP", 5, APR_BUCKET_DATA,
+    heap_bucket_destroy,
+    heap_bucket_read,
+    apr_bucket_setaside_noop,
+    apr_bucket_shared_split,
+    apr_bucket_shared_copy
+};
-- 
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