1 /* crypto/stack/stack.h */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 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 (tjh@cryptsoft.com). 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 (eay@cryptsoft.com)" 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 (tjh@cryptsoft.com)" 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 59 #ifndef HEADER_STACK_H 60 #define HEADER_STACK_H 61 62 #ifdef __cplusplus 63 extern "C" { 64 #endif 65 66 typedef struct stack_st 67 { 68 int num; 69 char **data; 70 int sorted; 71 72 int num_alloc; 73 int (*comp)(const void *, const void *); 74 } _STACK; /* Use STACK_OF(...) instead */ 75 76 #define M_sk_num(sk) ((sk) ? (sk)->num:-1) 77 #define M_sk_value(sk,n) ((sk) ? (sk)->data[n] : NULL) 78 79 int sk_num(const _STACK *); 80 void *sk_value(const _STACK *, int); 81 82 void *sk_set(_STACK *, int, void *); 83 84 _STACK *sk_new(int (*cmp)(const void *, const void *)); 85 _STACK *sk_new_null(void); 86 void sk_free(_STACK *); 87 void sk_pop_free(_STACK *st, void (*func)(void *)); 88 int sk_insert(_STACK *sk, void *data, int where); 89 void *sk_delete(_STACK *st, int loc); 90 void *sk_delete_ptr(_STACK *st, void *p); 91 int sk_find(_STACK *st, void *data); 92 int sk_find_ex(_STACK *st, void *data); 93 int sk_push(_STACK *st, void *data); 94 int sk_unshift(_STACK *st, void *data); 95 void *sk_shift(_STACK *st); 96 void *sk_pop(_STACK *st); 97 void sk_zero(_STACK *st); 98 int (*sk_set_cmp_func(_STACK *sk, int (*c)(const void *, const void *))) 99 (const void *, const void *); 100 _STACK *sk_dup(_STACK *st); 101 void sk_sort(_STACK *st); 102 int sk_is_sorted(const _STACK *st); 103 104 #ifdef __cplusplus 105 } 106 #endif 107 108 #endif 109