/*********************************************************************************
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* Copyright: (C) 2012 Guo Wenxue<guowenxue@gmail.com>
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* All rights reserved.
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*
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* Filename: cp_vector.c
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* Description: This file is for a dynamic array
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*
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* Version: 1.0.0(11/12/2012~)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "11/12/2012 11:20:30 AM"
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*
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********************************************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include "cp_vector.h"
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#include "cp_common.h"
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CP_VECTOR *cp_vector_init(int size)
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{
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CP_VECTOR *vector = NULL;
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if(size < 0)
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return NULL;
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vector = (CP_VECTOR *)t_malloc(sizeof(CP_VECTOR));
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if(!vector)
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{
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return NULL;
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}
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vector->mem = t_malloc(size*sizeof(void *));
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if(!vector->mem)
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{
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t_free(vector);
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return NULL;
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}
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memset(vector->mem, 0, size);
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vector->size = size;
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vector->used = 0;
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return vector;
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}
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void *cp_vector_add(CP_VECTOR *vector, int index, void *item)
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{
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if(index<0 || index>vector->size)
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return NULL;
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vector->mem[index]=item;
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vector->used++;
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return item;
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}
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void *cp_vector_del(CP_VECTOR *vector, int index)
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{
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void *save;
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if(index<0 ||index>vector->size)
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return NULL;
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save = vector->mem[index];
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vector->mem[index]=NULL;
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vector->used--;
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return save;
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}
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void *cp_vector_get(CP_VECTOR *vector, int index)
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{
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if(index<0 ||index>vector->size)
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return NULL;
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return vector->mem[index];
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}
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void cp_vector_destroy(CP_VECTOR *vector)
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{
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if(!vector)
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return;
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if(vector->mem)
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{
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t_free(vector->mem);
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}
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t_free(vector);
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}
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