proxy2ch/DataStorage.cpp

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "DataStorage.h"

DataStorage::DataStorage()
{
	bytes = (char *)calloc(4096,1);
	capacity = 4096;
	length = 0;
}

DataStorage::DataStorage(size_t size)
{
	capacity = 4096;
	while(capacity < size) {
		capacity += 4096;
	}
	bytes = (char *)calloc(capacity,1);
	length = size;
}

DataStorage::~DataStorage()
{
	free(bytes);
}

void DataStorage::appendBytes(const void *ptr, size_t size)
{
	if(capacity < length + size) {
		do {
			capacity += 4096;
		} while(capacity < length + size);
		bytes = (char *)realloc(bytes, capacity);
	}
	memcpy(bytes+length, ptr, size);
	length += size;
}