text: /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
  
  /*  Fluent Bit
   *  ==========
   *  Copyright (C) 2015-2022 The Fluent Bit Authors
   *
   *  Licensed 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 <fluent-bit/flb_info.h>
  #include <fluent-bit/flb_mem.h>
  #include <fluent-bit/flb_log.h>
  
  #include <fluent-bit/flb_event.h>
  #include <fluent-bit/flb_sds.h>
  
  struct flb_event_chunk *flb_event_chunk_create(int type,
                                                 int total_events,
                                                 char *tag_buf, int tag_len,
                                                 char *buf_data, size_t buf_size)
  {
      struct flb_event_chunk *evc;
  
      /* event chunk context */
      evc = flb_malloc(sizeof(struct flb_event_chunk));
      if (!evc) {
          flb_errno();
          return NULL;
      }
  
      /* create a copy of the tag */
      evc->tag = flb_sds_create_len(tag_buf, tag_len);
      if (!evc->tag) {
          flb_free(evc);
          return NULL;
      }
  
      evc->type = type;
      evc->data = buf_data;
      evc->size = buf_size;
      evc->total_events = total_events;
  
      return evc;
  }
  
  /* Update the buffer reference */
  int flb_event_chunk_update(struct flb_event_chunk *evc,
                             char *buf_data, size_t buf_size)
  {
      evc->data = buf_data;
      evc->size = buf_size;
  
      return 0;
  }
  
  void flb_event_chunk_destroy(struct flb_event_chunk *evc)
  {
      if (!evc) {
          return;
      }
  
      if (evc->tag) {
          flb_sds_destroy(evc->tag);
      }
      flb_free(evc);
  }
  