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 107