75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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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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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file var_array.c
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* \brief Very primitive variable length array ds. Here for compatibility
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* reasons, should be replaced with a more capable data structure.
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* @ingroup util
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*/
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#ifndef VAR_ARRAY_H_
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#define VAR_ARRAY_H_
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#include <stdlib.h>
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#include "common/utils/assertions.h"
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typedef struct {
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size_t size;
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size_t mallocedSize;
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size_t atomSize;
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size_t increment;
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} varArray_t;
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static inline varArray_t *initVarArray(size_t increment, size_t atomSize)
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{
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varArray_t *tmp = malloc(sizeof(*tmp) + increment * atomSize);
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tmp->size = 0;
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tmp->atomSize = atomSize;
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tmp->mallocedSize = increment;
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tmp->increment = increment;
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return tmp;
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}
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static inline void *dataArray(varArray_t *input)
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{
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return input + 1;
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}
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static inline void appendVarArray(varArray_t **inputPtr, void *data)
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{
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varArray_t *input = *inputPtr;
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if (input->size >= input->mallocedSize) {
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input->mallocedSize += input->increment;
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*inputPtr = realloc(input, sizeof(varArray_t) + input->mallocedSize * input->atomSize);
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AssertFatal(*inputPtr, "no memory left");
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input = *inputPtr;
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}
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memcpy((uint8_t *)(input + 1) + input->atomSize * input->size++, data, input->atomSize);
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}
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static inline void freeVarArray(varArray_t *input)
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{
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free(input);
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}
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#endif /* VAR_ARRAY_H_ */
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