llist.h 1.9 KB

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  1. #ifndef HEADER_CURL_LLIST_H
  2. #define HEADER_CURL_LLIST_H
  3. /***************************************************************************
  4. * _ _ ____ _
  5. * Project ___| | | | _ \| |
  6. * / __| | | | |_) | |
  7. * | (__| |_| | _ <| |___
  8. * \___|\___/|_| \_\_____|
  9. *
  10. * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
  11. *
  12. * This software is licensed as described in the file COPYING, which
  13. * you should have received as part of this distribution. The terms
  14. * are also available at https://curl.se/docs/copyright.html.
  15. *
  16. * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  17. * copies of the Software, and permit persons to whom the Software is
  18. * furnished to do so, under the terms of the COPYING file.
  19. *
  20. * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21. * KIND, either express or implied.
  22. *
  23. * SPDX-License-Identifier: curl
  24. *
  25. ***************************************************************************/
  26. #include "curl_setup.h"
  27. #include <stddef.h>
  28. typedef void (*Curl_llist_dtor)(void *, void *);
  29. struct Curl_llist_element {
  30. void *ptr;
  31. struct Curl_llist_element *prev;
  32. struct Curl_llist_element *next;
  33. };
  34. struct Curl_llist {
  35. struct Curl_llist_element *head;
  36. struct Curl_llist_element *tail;
  37. Curl_llist_dtor dtor;
  38. size_t size;
  39. };
  40. void Curl_llist_init(struct Curl_llist *, Curl_llist_dtor);
  41. void Curl_llist_insert_next(struct Curl_llist *, struct Curl_llist_element *,
  42. const void *, struct Curl_llist_element *node);
  43. void Curl_llist_remove(struct Curl_llist *, struct Curl_llist_element *,
  44. void *);
  45. size_t Curl_llist_count(struct Curl_llist *);
  46. void Curl_llist_destroy(struct Curl_llist *, void *);
  47. #endif /* HEADER_CURL_LLIST_H */