ds: add a new type "byte array producer"

Introduced to write bytes to a byte array with size checking.
2025-08-14 23:37:11 +02:00
parent 9e37a2cf94
commit 33cbbafddb
3 changed files with 105 additions and 0 deletions
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (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.openairinterface.org/?page_id=698
+ *
+ * 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.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+#ifndef BYTE_ARRAY_PRODUCER_H
+#define BYTE_ARRAY_PRODUCER_H
+
+#include <stdint.h>
+
+#include "byte_array.h"
+
+typedef struct {
+  byte_array_t b;
+  size_t pos;
+} byte_array_producer_t;
+
+byte_array_producer_t byte_array_producer_from_buffer(uint8_t *buffer, int len);
+
+int byte_array_producer_put_byte(byte_array_producer_t *b, uint8_t v);
+int byte_array_producer_put_u32_be(byte_array_producer_t *b, uint32_t v);
+int byte_array_producer_put_u24_be(byte_array_producer_t *b, uint32_t v);
+
+#endif