source: trunk/tools/porting/src/smallobject.h@ 372

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** Contact: Qt Software Information ([email protected])
** Copyright (C) 2001-2004 Roberto Raggi
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** This file is part of the qt3to4 porting application of the Qt Toolkit.
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#ifndef SMALLOBJECT_H
#define SMALLOBJECT_H

#include <QList>

#include <assert.h>
#include <stdlib.h>
#include <string.h>

QT_BEGIN_NAMESPACE

struct block_t
{
    static int N;

    block_t *chain;
    char *data;
    char *ptr;
    char *end;

    inline void init(int block_size = 256)
    {
        ++N;
        chain = 0;
        data = (char*) malloc(block_size);
        ptr = data;
        end = data + block_size;
    }

    inline void init0(int block_size)
    {
        init();
        memset(data, '0', block_size);
    }

    inline void destroy()
    {
        --N;
        if (chain) {
            chain->destroy();
            free(chain);
        }

        free(data);
    }