1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/stack/stack.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Code for stacks 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Author - Eric Young v 1.0 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1.2 eay 12-Mar-97 - Modified sk_find so that it _DOES_ return the 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lowest index for the searched item. 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1.1 eay - Take from netdb and added to SSLeay 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1.0 eay - First version 29/07/92 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/stack.h> 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/objects.h> 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#undef MIN_NODES 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#define MIN_NODES 4 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectconst char STACK_version[]="Stack" OPENSSL_VERSION_PTEXT; 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <errno.h> 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 80221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint (*sk_set_cmp_func(_STACK *sk, int (*c)(const void *, const void *))) 81221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom (const void *, const void *) 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 83221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int (*old)(const void *,const void *)=sk->comp; 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (sk->comp != c) 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk->sorted=0; 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk->comp=c; 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return old; 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 92221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom_STACK *sk_dup(_STACK *sk) 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 94221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom _STACK *ret; 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char **s; 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret=sk_new(sk->comp)) == NULL) goto err; 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project s=(char **)OPENSSL_realloc((char *)ret->data, 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (unsigned int)sizeof(char *)*sk->num_alloc); 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (s == NULL) goto err; 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->data=s; 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->num=sk->num; 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(ret->data,sk->data,sizeof(char *)*sk->num); 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->sorted=sk->sorted; 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->num_alloc=sk->num_alloc; 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->comp=sk->comp; 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk_free(ret); 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 115221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom_STACK *sk_new_null(void) 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 117221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return sk_new((int (*)(const void *, const void *))0); 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 120221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom_STACK *sk_new(int (*c)(const void *, const void *)) 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 122221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom _STACK *ret; 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 125221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if ((ret=OPENSSL_malloc(sizeof(_STACK))) == NULL) 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 127221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if ((ret->data=OPENSSL_malloc(sizeof(char *)*MIN_NODES)) == NULL) 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=0; i<MIN_NODES; i++) 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->data[i]=NULL; 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->comp=c; 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->num_alloc=MIN_NODES; 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->num=0; 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->sorted=0; 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ret); 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 142221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint sk_insert(_STACK *st, void *data, int loc) 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char **s; 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(st == NULL) return 0; 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->num_alloc <= st->num+1) 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 149221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom s=OPENSSL_realloc((char *)st->data, 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (unsigned int)sizeof(char *)*st->num_alloc*2); 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (s == NULL) 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(0); 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->data=s; 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->num_alloc*=2; 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((loc >= (int)st->num) || (loc < 0)) 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->data[st->num]=data; 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char **f,**t; 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 163221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom f=st->data; 164221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom t=&(st->data[1]); 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=st->num; i>=loc; i--) 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project t[i]=f[i]; 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef undef /* no memmove on sunos :-( */ 169221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom memmove(&(st->data[loc+1]), 170221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom &(st->data[loc]), 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sizeof(char *)*(st->num-loc)); 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->data[loc]=data; 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->num++; 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->sorted=0; 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(st->num); 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 180221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid *sk_delete_ptr(_STACK *st, void *p) 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=0; i<st->num; i++) 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->data[i] == p) 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(sk_delete(st,i)); 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 190221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid *sk_delete(_STACK *st, int loc) 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char *ret; 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i,j; 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!st || (loc < 0) || (loc >= st->num)) return NULL; 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=st->data[loc]; 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (loc != st->num-1) 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project j=st->num-1; 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=loc; i<j; i++) 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->data[i]=st->data[i+1]; 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* In theory memcpy is not safe for this 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * memcpy( &(st->data[loc]), 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * &(st->data[loc+1]), 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * sizeof(char *)*(st->num-loc-1)); 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->num--; 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 213221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int internal_find(_STACK *st, void *data, int ret_val_options) 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 215221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const void * const *r; 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 217221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(st == NULL) return -1; 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->comp == NULL) 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=0; i<st->num; i++) 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->data[i] == data) 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(i); 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(-1); 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk_sort(st); 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (data == NULL) return(-1); 229221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom r=OBJ_bsearch_ex_(&data,st->data,st->num,sizeof(void *),st->comp, 230221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ret_val_options); 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r == NULL) return(-1); 232221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return (int)((char **)r-st->data); 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 235221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint sk_find(_STACK *st, void *data) 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH); 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 239221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint sk_find_ex(_STACK *st, void *data) 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return internal_find(st, data, OBJ_BSEARCH_VALUE_ON_NOMATCH); 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 244221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint sk_push(_STACK *st, void *data) 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(sk_insert(st,data,st->num)); 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 249221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint sk_unshift(_STACK *st, void *data) 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(sk_insert(st,data,0)); 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 254221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid *sk_shift(_STACK *st) 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st == NULL) return(NULL); 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->num <= 0) return(NULL); 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(sk_delete(st,0)); 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 261221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid *sk_pop(_STACK *st) 262656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 263656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st == NULL) return(NULL); 264656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->num <= 0) return(NULL); 265656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(sk_delete(st,st->num-1)); 266656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 267656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 268221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid sk_zero(_STACK *st) 269656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 270656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st == NULL) return; 271656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->num <= 0) return; 272656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset((char *)st->data,0,sizeof(st->data)*st->num); 273656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->num=0; 274656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 275656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 276221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid sk_pop_free(_STACK *st, void (*func)(void *)) 277656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 278656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 279656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 280656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st == NULL) return; 281656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=0; i<st->num; i++) 282656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->data[i] != NULL) 283656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project func(st->data[i]); 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk_free(st); 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 287221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid sk_free(_STACK *st) 288656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 289656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st == NULL) return; 290656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st->data != NULL) OPENSSL_free(st->data); 291656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(st); 292656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 293656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 294221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint sk_num(const _STACK *st) 295656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 296656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(st == NULL) return -1; 297656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return st->num; 298656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 299656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 300221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid *sk_value(const _STACK *st, int i) 301656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 302656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!st || (i < 0) || (i >= st->num)) return NULL; 303656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return st->data[i]; 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 305656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 306221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid *sk_set(_STACK *st, int i, void *value) 307656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 308656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!st || (i < 0) || (i >= st->num)) return NULL; 309656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return (st->data[i] = value); 310656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 311656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 312221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromvoid sk_sort(_STACK *st) 313656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 314656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (st && !st->sorted) 315656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 316656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int (*comp_func)(const void *,const void *); 317656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 318656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* same comment as in sk_find ... previously st->comp was declared 319656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as a (void*,void*) callback type, but this made the population 320656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * of the callback pointer illogical - our callbacks compare 321656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * type** with type**, so we leave the casting until absolutely 322656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * necessary (ie. "now"). */ 323656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project comp_func=(int (*)(const void *,const void *))(st->comp); 324656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project qsort(st->data,st->num,sizeof(char *), comp_func); 325656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project st->sorted=1; 326656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 327656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 328656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 329221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint sk_is_sorted(const _STACK *st) 330656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 331656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!st) 332656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 333656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return st->sorted; 334656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 335