summaryrefslogtreecommitdiff
path: root/thirdparty/openssl/crypto/stack
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/openssl/crypto/stack')
-rw-r--r--thirdparty/openssl/crypto/stack/stack.c384
1 files changed, 0 insertions, 384 deletions
diff --git a/thirdparty/openssl/crypto/stack/stack.c b/thirdparty/openssl/crypto/stack/stack.c
deleted file mode 100644
index fa50083e22..0000000000
--- a/thirdparty/openssl/crypto/stack/stack.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/* crypto/stack/stack.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-/*-
- * Code for stacks
- * Author - Eric Young v 1.0
- * 1.2 eay 12-Mar-97 - Modified sk_find so that it _DOES_ return the
- * lowest index for the searched item.
- *
- * 1.1 eay - Take from netdb and added to SSLeay
- *
- * 1.0 eay - First version 29/07/92
- */
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/stack.h>
-#include <openssl/objects.h>
-
-#undef MIN_NODES
-#define MIN_NODES 4
-
-const char STACK_version[] = "Stack" OPENSSL_VERSION_PTEXT;
-
-#include <errno.h>
-
-int (*sk_set_cmp_func(_STACK *sk, int (*c) (const void *, const void *)))
- (const void *, const void *) {
- int (*old) (const void *, const void *) = sk->comp;
-
- if (sk->comp != c)
- sk->sorted = 0;
- sk->comp = c;
-
- return old;
-}
-
-_STACK *sk_dup(_STACK *sk)
-{
- _STACK *ret;
- char **s;
-
- if ((ret = sk_new(sk->comp)) == NULL)
- goto err;
- s = (char **)OPENSSL_realloc((char *)ret->data,
- (unsigned int)sizeof(char *) *
- sk->num_alloc);
- if (s == NULL)
- goto err;
- ret->data = s;
-
- ret->num = sk->num;
- memcpy(ret->data, sk->data, sizeof(char *) * sk->num);
- ret->sorted = sk->sorted;
- ret->num_alloc = sk->num_alloc;
- ret->comp = sk->comp;
- return (ret);
- err:
- if (ret)
- sk_free(ret);
- return (NULL);
-}
-
-_STACK *sk_deep_copy(_STACK *sk, void *(*copy_func) (void *),
- void (*free_func) (void *))
-{
- _STACK *ret;
- int i;
-
- if ((ret = OPENSSL_malloc(sizeof(_STACK))) == NULL)
- return ret;
- ret->comp = sk->comp;
- ret->sorted = sk->sorted;
- ret->num = sk->num;
- ret->num_alloc = sk->num > MIN_NODES ? sk->num : MIN_NODES;
- ret->data = OPENSSL_malloc(sizeof(char *) * ret->num_alloc);
- if (ret->data == NULL) {
- OPENSSL_free(ret);
- return NULL;
- }
- for (i = 0; i < ret->num_alloc; i++)
- ret->data[i] = NULL;
-
- for (i = 0; i < ret->num; ++i) {
- if (sk->data[i] == NULL)
- continue;
- if ((ret->data[i] = copy_func(sk->data[i])) == NULL) {
- while (--i >= 0)
- if (ret->data[i] != NULL)
- free_func(ret->data[i]);
- sk_free(ret);
- return NULL;
- }
- }
- return ret;
-}
-
-_STACK *sk_new_null(void)
-{
- return sk_new((int (*)(const void *, const void *))0);
-}
-
-_STACK *sk_new(int (*c) (const void *, const void *))
-{
- _STACK *ret;
- int i;
-
- if ((ret = OPENSSL_malloc(sizeof(_STACK))) == NULL)
- goto err;
- if ((ret->data = OPENSSL_malloc(sizeof(char *) * MIN_NODES)) == NULL)
- goto err;
- for (i = 0; i < MIN_NODES; i++)
- ret->data[i] = NULL;
- ret->comp = c;
- ret->num_alloc = MIN_NODES;
- ret->num = 0;
- ret->sorted = 0;
- return (ret);
- err:
- if (ret)
- OPENSSL_free(ret);
- return (NULL);
-}
-
-int sk_insert(_STACK *st, void *data, int loc)
-{
- char **s;
-
- if (st == NULL)
- return 0;
- if (st->num_alloc <= st->num + 1) {
- s = OPENSSL_realloc((char *)st->data,
- (unsigned int)sizeof(char *) * st->num_alloc * 2);
- if (s == NULL)
- return (0);
- st->data = s;
- st->num_alloc *= 2;
- }
- if ((loc >= (int)st->num) || (loc < 0))
- st->data[st->num] = data;
- else {
- int i;
- char **f, **t;
-
- f = st->data;
- t = &(st->data[1]);
- for (i = st->num; i >= loc; i--)
- t[i] = f[i];
-
-#ifdef undef /* no memmove on sunos :-( */
- memmove(&(st->data[loc + 1]),
- &(st->data[loc]), sizeof(char *) * (st->num - loc));
-#endif
- st->data[loc] = data;
- }
- st->num++;
- st->sorted = 0;
- return (st->num);
-}
-
-void *sk_delete_ptr(_STACK *st, void *p)
-{
- int i;
-
- for (i = 0; i < st->num; i++)
- if (st->data[i] == p)
- return (sk_delete(st, i));
- return (NULL);
-}
-
-void *sk_delete(_STACK *st, int loc)
-{
- char *ret;
- int i, j;
-
- if (!st || (loc < 0) || (loc >= st->num))
- return NULL;
-
- ret = st->data[loc];
- if (loc != st->num - 1) {
- j = st->num - 1;
- for (i = loc; i < j; i++)
- st->data[i] = st->data[i + 1];
- /*
- * In theory memcpy is not safe for this memcpy( &(st->data[loc]),
- * &(st->data[loc+1]), sizeof(char *)*(st->num-loc-1));
- */
- }
- st->num--;
- return (ret);
-}
-
-static int internal_find(_STACK *st, void *data, int ret_val_options)
-{
- const void *const *r;
- int i;
-
- if (st == NULL)
- return -1;
-
- if (st->comp == NULL) {
- for (i = 0; i < st->num; i++)
- if (st->data[i] == data)
- return (i);
- return (-1);
- }
- sk_sort(st);
- if (data == NULL)
- return (-1);
- r = OBJ_bsearch_ex_(&data, st->data, st->num, sizeof(void *), st->comp,
- ret_val_options);
- if (r == NULL)
- return (-1);
- return (int)((char **)r - st->data);
-}
-
-int sk_find(_STACK *st, void *data)
-{
- return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);
-}
-
-int sk_find_ex(_STACK *st, void *data)
-{
- return internal_find(st, data, OBJ_BSEARCH_VALUE_ON_NOMATCH);
-}
-
-int sk_push(_STACK *st, void *data)
-{
- return (sk_insert(st, data, st->num));
-}
-
-int sk_unshift(_STACK *st, void *data)
-{
- return (sk_insert(st, data, 0));
-}
-
-void *sk_shift(_STACK *st)
-{
- if (st == NULL)
- return (NULL);
- if (st->num <= 0)
- return (NULL);
- return (sk_delete(st, 0));
-}
-
-void *sk_pop(_STACK *st)
-{
- if (st == NULL)
- return (NULL);
- if (st->num <= 0)
- return (NULL);
- return (sk_delete(st, st->num - 1));
-}
-
-void sk_zero(_STACK *st)
-{
- if (st == NULL)
- return;
- if (st->num <= 0)
- return;
- memset((char *)st->data, 0, sizeof(*st->data) * st->num);
- st->num = 0;
-}
-
-void sk_pop_free(_STACK *st, void (*func) (void *))
-{
- int i;
-
- if (st == NULL)
- return;
- for (i = 0; i < st->num; i++)
- if (st->data[i] != NULL)
- func(st->data[i]);
- sk_free(st);
-}
-
-void sk_free(_STACK *st)
-{
- if (st == NULL)
- return;
- if (st->data != NULL)
- OPENSSL_free(st->data);
- OPENSSL_free(st);
-}
-
-int sk_num(const _STACK *st)
-{
- if (st == NULL)
- return -1;
- return st->num;
-}
-
-void *sk_value(const _STACK *st, int i)
-{
- if (!st || (i < 0) || (i >= st->num))
- return NULL;
- return st->data[i];
-}
-
-void *sk_set(_STACK *st, int i, void *value)
-{
- if (!st || (i < 0) || (i >= st->num))
- return NULL;
- return (st->data[i] = value);
-}
-
-void sk_sort(_STACK *st)
-{
- if (st && !st->sorted && st->comp != NULL) {
- int (*comp_func) (const void *, const void *);
-
- /*
- * same comment as in sk_find ... previously st->comp was declared as
- * a (void*,void*) callback type, but this made the population of the
- * callback pointer illogical - our callbacks compare type** with
- * type**, so we leave the casting until absolutely necessary (ie.
- * "now").
- */
- comp_func = (int (*)(const void *, const void *))(st->comp);
- qsort(st->data, st->num, sizeof(char *), comp_func);
- st->sorted = 1;
- }
-}
-
-int sk_is_sorted(const _STACK *st)
-{
- if (!st)
- return 1;
- return st->sorted;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 17:18:27 +0000