include/openssl/stack.h

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.]
  56  */
  57
  58 #ifndef HEADER_STACK_H
  59 # define HEADER_STACK_H
  60
  61 #ifdef  __cplusplus
  62 extern "C" {
  63 #endif
  64
  65 typedef struct stack_st _STACK; /* Use STACK_OF(...) instead */
  66
  67 int sk_num(const _STACK *);
  68 void *sk_value(const _STACK *, int);
  69
  70 void *sk_set(_STACK *, int, void *);
  71
  72 _STACK *sk_new(int (*cmp) (const void *, const void *));
  73 _STACK *sk_new_null(void);
  74 void sk_free(_STACK *);
  75 void sk_pop_free(_STACK *st, void (*func) (void *));
  76 _STACK *sk_deep_copy(_STACK *, void *(*)(void *), void (*)(void *));
  77 int sk_insert(_STACK *sk, void *data, int where);
  78 void *sk_delete(_STACK *st, int loc);
  79 void *sk_delete_ptr(_STACK *st, void *p);
  80 int sk_find(_STACK *st, void *data);
  81 int sk_find_ex(_STACK *st, void *data);
  82 int sk_push(_STACK *st, void *data);
  83 int sk_unshift(_STACK *st, void *data);
  84 void *sk_shift(_STACK *st);
  85 void *sk_pop(_STACK *st);
  86 void sk_zero(_STACK *st);
  87 int (*sk_set_cmp_func(_STACK *sk, int (*c) (const void *, const void *)))
  88  (const void *, const void *);
  89 _STACK *sk_dup(_STACK *st);
  90 void sk_sort(_STACK *st);
  91 int sk_is_sorted(const _STACK *st);
  92
  93 #ifdef  __cplusplus
  94 }
  95 #endif
  96
  97 #endif