#ifndef HEADER_CURL_BUFREF_H

#define HEADER_CURL_BUFREF_H

/***************************************************************************

 *                                  _   _ ____  _

 *  Project                     ___| | | |  _ \| |

 *                             / __| | | | |_) | |

 *                            | (__| |_| |  _ <| |___

 *                             \___|\___/|_| \_\_____|

 *

 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.

 *

 * This software is licensed as described in the file COPYING, which

 * you should have received as part of this distribution. The terms

 * are also available at https://curl.se/docs/copyright.html.

 *

 * You may opt to use, copy, modify, merge, publish, distribute and/or sell

 * copies of the Software, and permit persons to whom the Software is

 * furnished to do so, under the terms of the COPYING file.

 *

 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY

 * KIND, either express or implied.

 *

 * SPDX-License-Identifier: curl

 *

 ***************************************************************************/

/*

 * Generic buffer reference.

 */

struct bufref {

  void (*dtor)(void *);         /* Associated destructor. */

  const unsigned char *ptr;     /* Referenced data buffer. */

  size_t len;                   /* The data size in bytes. */

#ifdef DEBUGBUILD

  int signature;                /* Detect API use mistakes. */

#endif

};

void Curl_bufref_init(struct bufref *br);

void Curl_bufref_set(struct bufref *br, const void *ptr, size_t len,

                     void (*dtor)(void *));

const char *Curl_bufref_ptr(const struct bufref *br);

const unsigned char *Curl_bufref_uptr(const struct bufref *br);

size_t Curl_bufref_len(const struct bufref *br);

CURLcode Curl_bufref_memdup0(struct bufref *br, const void *ptr, size_t len);

void Curl_bufref_free(struct bufref *br);

/* return a strdup() version of the buffer */

#define Curl_bufref_dup(x) curlx_strdup(Curl_bufref_ptr(x))

#endif