stack.h revision 296465
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 63extern "C" { 64#endif 65 66typedef struct stack_st { 67 int num; 68 char **data; 69 int sorted; 70 int num_alloc; 71 int (*comp) (const char *const *, const char *const *); 72} STACK; 73 74# define M_sk_num(sk) ((sk) ? (sk)->num:-1) 75# define M_sk_value(sk,n) ((sk) ? (sk)->data[n] : NULL) 76 77int sk_num(const STACK *); 78char *sk_value(const STACK *, int); 79 80char *sk_set(STACK *, int, char *); 81 82STACK *sk_new(int (*cmp) (const char *const *, const char *const *)); 83STACK *sk_new_null(void); 84void sk_free(STACK *); 85void sk_pop_free(STACK * st, void (*func) (void *)); 86int sk_insert(STACK * sk, char *data, int where); 87char *sk_delete(STACK * st, int loc); 88char *sk_delete_ptr(STACK * st, char *p); 89int sk_find(STACK * st, char *data); 90int sk_find_ex(STACK * st, char *data); 91int sk_push(STACK * st, char *data); 92int sk_unshift(STACK * st, char *data); 93char *sk_shift(STACK * st); 94char *sk_pop(STACK * st); 95void sk_zero(STACK * st); 96int (*sk_set_cmp_func(STACK * sk, int (*c) (const char *const *, 97 const char *const *))) 98 (const char *const *, const char *const *); 99STACK *sk_dup(STACK * st); 100void sk_sort(STACK * st); 101int sk_is_sorted(const STACK * st); 102 103#ifdef __cplusplus 104} 105#endif 106 107#endif 108