xref: /minix3/crypto/external/bsd/openssl/dist/crypto/stack/stack.h (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1ebfedea0SLionel Sambuc /* crypto/stack/stack.h */
2ebfedea0SLionel Sambuc /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3ebfedea0SLionel Sambuc  * All rights reserved.
4ebfedea0SLionel Sambuc  *
5ebfedea0SLionel Sambuc  * This package is an SSL implementation written
6ebfedea0SLionel Sambuc  * by Eric Young (eay@cryptsoft.com).
7ebfedea0SLionel Sambuc  * The implementation was written so as to conform with Netscapes SSL.
8ebfedea0SLionel Sambuc  *
9ebfedea0SLionel Sambuc  * This library is free for commercial and non-commercial use as long as
10ebfedea0SLionel Sambuc  * the following conditions are aheared to.  The following conditions
11ebfedea0SLionel Sambuc  * apply to all code found in this distribution, be it the RC4, RSA,
12ebfedea0SLionel Sambuc  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13ebfedea0SLionel Sambuc  * included with this distribution is covered by the same copyright terms
14ebfedea0SLionel Sambuc  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15ebfedea0SLionel Sambuc  *
16ebfedea0SLionel Sambuc  * Copyright remains Eric Young's, and as such any Copyright notices in
17ebfedea0SLionel Sambuc  * the code are not to be removed.
18ebfedea0SLionel Sambuc  * If this package is used in a product, Eric Young should be given attribution
19ebfedea0SLionel Sambuc  * as the author of the parts of the library used.
20ebfedea0SLionel Sambuc  * This can be in the form of a textual message at program startup or
21ebfedea0SLionel Sambuc  * in documentation (online or textual) provided with the package.
22ebfedea0SLionel Sambuc  *
23ebfedea0SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
24ebfedea0SLionel Sambuc  * modification, are permitted provided that the following conditions
25ebfedea0SLionel Sambuc  * are met:
26ebfedea0SLionel Sambuc  * 1. Redistributions of source code must retain the copyright
27ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
28ebfedea0SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
29ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
30ebfedea0SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
31ebfedea0SLionel Sambuc  * 3. All advertising materials mentioning features or use of this software
32ebfedea0SLionel Sambuc  *    must display the following acknowledgement:
33ebfedea0SLionel Sambuc  *    "This product includes cryptographic software written by
34ebfedea0SLionel Sambuc  *     Eric Young (eay@cryptsoft.com)"
35ebfedea0SLionel Sambuc  *    The word 'cryptographic' can be left out if the rouines from the library
36ebfedea0SLionel Sambuc  *    being used are not cryptographic related :-).
37ebfedea0SLionel Sambuc  * 4. If you include any Windows specific code (or a derivative thereof) from
38ebfedea0SLionel Sambuc  *    the apps directory (application code) you must include an acknowledgement:
39ebfedea0SLionel Sambuc  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40ebfedea0SLionel Sambuc  *
41ebfedea0SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42ebfedea0SLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43ebfedea0SLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44ebfedea0SLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45ebfedea0SLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46ebfedea0SLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47ebfedea0SLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48ebfedea0SLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49ebfedea0SLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50ebfedea0SLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51ebfedea0SLionel Sambuc  * SUCH DAMAGE.
52ebfedea0SLionel Sambuc  *
53ebfedea0SLionel Sambuc  * The licence and distribution terms for any publically available version or
54ebfedea0SLionel Sambuc  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55ebfedea0SLionel Sambuc  * copied and put under another distribution licence
56ebfedea0SLionel Sambuc  * [including the GNU Public Licence.]
57ebfedea0SLionel Sambuc  */
58ebfedea0SLionel Sambuc 
59ebfedea0SLionel Sambuc #ifndef HEADER_STACK_H
60ebfedea0SLionel Sambuc # define HEADER_STACK_H
61ebfedea0SLionel Sambuc 
62ebfedea0SLionel Sambuc #ifdef  __cplusplus
63ebfedea0SLionel Sambuc extern "C" {
64ebfedea0SLionel Sambuc #endif
65ebfedea0SLionel Sambuc 
66*0a6a1f1dSLionel Sambuc typedef struct stack_st {
67ebfedea0SLionel Sambuc     int num;
68ebfedea0SLionel Sambuc     char **data;
69ebfedea0SLionel Sambuc     int sorted;
70ebfedea0SLionel Sambuc     int num_alloc;
71ebfedea0SLionel Sambuc     int (*comp) (const void *, const void *);
72ebfedea0SLionel Sambuc } _STACK;                       /* Use STACK_OF(...) instead */
73ebfedea0SLionel Sambuc 
74ebfedea0SLionel Sambuc # define M_sk_num(sk)            ((sk) ? (sk)->num:-1)
75ebfedea0SLionel Sambuc # define M_sk_value(sk,n)        ((sk) ? (sk)->data[n] : NULL)
76ebfedea0SLionel Sambuc 
77ebfedea0SLionel Sambuc int sk_num(const _STACK *);
78ebfedea0SLionel Sambuc void *sk_value(const _STACK *, int);
79ebfedea0SLionel Sambuc 
80ebfedea0SLionel Sambuc void *sk_set(_STACK *, int, void *);
81ebfedea0SLionel Sambuc 
82ebfedea0SLionel Sambuc _STACK *sk_new(int (*cmp) (const void *, const void *));
83ebfedea0SLionel Sambuc _STACK *sk_new_null(void);
84ebfedea0SLionel Sambuc void sk_free(_STACK *);
85ebfedea0SLionel Sambuc void sk_pop_free(_STACK *st, void (*func) (void *));
86ebfedea0SLionel Sambuc int sk_insert(_STACK *sk, void *data, int where);
87ebfedea0SLionel Sambuc void *sk_delete(_STACK *st, int loc);
88ebfedea0SLionel Sambuc void *sk_delete_ptr(_STACK *st, void *p);
89ebfedea0SLionel Sambuc int sk_find(_STACK *st, void *data);
90ebfedea0SLionel Sambuc int sk_find_ex(_STACK *st, void *data);
91ebfedea0SLionel Sambuc int sk_push(_STACK *st, void *data);
92ebfedea0SLionel Sambuc int sk_unshift(_STACK *st, void *data);
93ebfedea0SLionel Sambuc void *sk_shift(_STACK *st);
94ebfedea0SLionel Sambuc void *sk_pop(_STACK *st);
95ebfedea0SLionel Sambuc void sk_zero(_STACK *st);
96ebfedea0SLionel Sambuc int (*sk_set_cmp_func(_STACK *sk, int (*c) (const void *, const void *)))
97ebfedea0SLionel Sambuc  (const void *, const void *);
98ebfedea0SLionel Sambuc _STACK *sk_dup(_STACK *st);
99ebfedea0SLionel Sambuc void sk_sort(_STACK *st);
100ebfedea0SLionel Sambuc int sk_is_sorted(const _STACK *st);
101ebfedea0SLionel Sambuc 
102ebfedea0SLionel Sambuc #ifdef  __cplusplus
103ebfedea0SLionel Sambuc }
104ebfedea0SLionel Sambuc #endif
105ebfedea0SLionel Sambuc 
106ebfedea0SLionel Sambuc #endif
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