75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ssl_stack.h"
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#include "ssl_dbg.h"
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#include "ssl_port.h"
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#ifndef CONFIG_MIN_NODES
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#define MIN_NODES 4
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#else
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#define MIN_NODES CONFIG_MIN_NODES
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#endif
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/**
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* @brief create a openssl stack object
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*/
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OPENSSL_STACK* OPENSSL_sk_new(OPENSSL_sk_compfunc c)
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{
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OPENSSL_STACK *stack;
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char **data;
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stack = ssl_mem_zalloc(sizeof(OPENSSL_STACK));
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if (!stack) {
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SSL_DEBUG(SSL_STACK_ERROR_LEVEL, "no enough memory > (stack)");
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goto no_mem1;
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}
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data = ssl_mem_zalloc(sizeof(*data) * MIN_NODES);
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if (!data) {
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SSL_DEBUG(SSL_STACK_ERROR_LEVEL, "no enough memory > (data)");
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goto no_mem2;
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}
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stack->data = data;
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stack->num_alloc = MIN_NODES;
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stack->c = c;
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return stack;
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no_mem2:
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ssl_mem_free(stack);
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no_mem1:
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return NULL;
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}
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/**
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* @brief create a NULL function openssl stack object
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*/
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OPENSSL_STACK *OPENSSL_sk_new_null(void)
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{
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return OPENSSL_sk_new((OPENSSL_sk_compfunc)NULL);
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}
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/**
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* @brief free openssl stack object
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*/
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void OPENSSL_sk_free(OPENSSL_STACK *stack)
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{
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SSL_ASSERT3(stack);
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ssl_mem_free(stack->data);
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ssl_mem_free(stack);
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}
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