stack.h 4.2 KB

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  1. /* $OpenBSD: stack.h,v 1.11 2024/03/02 11:20:36 tb Exp $ */
  2. /* Copyright (C) 1995-1998 Eric Young ([email protected])
  3. * All rights reserved.
  4. *
  5. * This package is an SSL implementation written
  6. * by Eric Young ([email protected]).
  7. * The implementation was written so as to conform with Netscapes SSL.
  8. *
  9. * This library is free for commercial and non-commercial use as long as
  10. * the following conditions are aheared to. The following conditions
  11. * apply to all code found in this distribution, be it the RC4, RSA,
  12. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  13. * included with this distribution is covered by the same copyright terms
  14. * except that the holder is Tim Hudson ([email protected]).
  15. *
  16. * Copyright remains Eric Young's, and as such any Copyright notices in
  17. * the code are not to be removed.
  18. * If this package is used in a product, Eric Young should be given attribution
  19. * as the author of the parts of the library used.
  20. * This can be in the form of a textual message at program startup or
  21. * in documentation (online or textual) provided with the package.
  22. *
  23. * Redistribution and use in source and binary forms, with or without
  24. * modification, are permitted provided that the following conditions
  25. * are met:
  26. * 1. Redistributions of source code must retain the copyright
  27. * notice, this list of conditions and the following disclaimer.
  28. * 2. Redistributions in binary form must reproduce the above copyright
  29. * notice, this list of conditions and the following disclaimer in the
  30. * documentation and/or other materials provided with the distribution.
  31. * 3. All advertising materials mentioning features or use of this software
  32. * must display the following acknowledgement:
  33. * "This product includes cryptographic software written by
  34. * Eric Young ([email protected])"
  35. * The word 'cryptographic' can be left out if the rouines from the library
  36. * being used are not cryptographic related :-).
  37. * 4. If you include any Windows specific code (or a derivative thereof) from
  38. * the apps directory (application code) you must include an acknowledgement:
  39. * "This product includes software written by Tim Hudson ([email protected])"
  40. *
  41. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51. * SUCH DAMAGE.
  52. *
  53. * The licence and distribution terms for any publically available version or
  54. * derivative of this code cannot be changed. i.e. this code cannot simply be
  55. * copied and put under another distribution licence
  56. * [including the GNU Public Licence.]
  57. */
  58. #ifndef HEADER_STACK_H
  59. #define HEADER_STACK_H
  60. #ifdef __cplusplus
  61. extern "C" {
  62. #endif
  63. typedef struct stack_st _STACK;
  64. #define M_sk_num(sk) ((sk) ? (sk)->num:-1)
  65. #define M_sk_value(sk,n) ((sk) ? (sk)->data[n] : NULL)
  66. int sk_num(const _STACK *);
  67. void *sk_value(const _STACK *, int);
  68. void *sk_set(_STACK *, int, void *);
  69. _STACK *sk_new(int (*cmp)(const void *, const void *));
  70. _STACK *sk_new_null(void);
  71. void sk_free(_STACK *);
  72. void sk_pop_free(_STACK *st, void (*func)(void *));
  73. int sk_insert(_STACK *sk, void *data, int where);
  74. void *sk_delete(_STACK *st, int loc);
  75. void *sk_delete_ptr(_STACK *st, void *p);
  76. int sk_find(_STACK *st, void *data);
  77. int sk_push(_STACK *st, void *data);
  78. int sk_unshift(_STACK *st, void *data);
  79. void *sk_shift(_STACK *st);
  80. void *sk_pop(_STACK *st);
  81. void sk_zero(_STACK *st);
  82. int (*sk_set_cmp_func(_STACK *sk, int (*c)(const void *, const void *)))(
  83. const void *, const void *);
  84. _STACK *sk_dup(_STACK *st);
  85. void sk_sort(_STACK *st);
  86. int sk_is_sorted(const _STACK *st);
  87. #ifdef __cplusplus
  88. }
  89. #endif
  90. #endif