0aed504f4a
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5917 212acab6-be3b-0410-9dea-997c60f758d6
62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
/*
|
|
* growbuf.h
|
|
*
|
|
* This file is a part of NSIS.
|
|
*
|
|
* Copyright (C) 1999-2009 Nullsoft and Contributors
|
|
*
|
|
* Licensed under the zlib/libpng license (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
*
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty.
|
|
*/
|
|
|
|
#ifndef __GROWBUF_H_
|
|
#define __GROWBUF_H_
|
|
|
|
class IGrowBuf
|
|
{
|
|
public:
|
|
virtual ~IGrowBuf() {}
|
|
virtual int add(const void *data, int len)=0;
|
|
virtual void resize(int newlen)=0;
|
|
virtual int getlen() const=0;
|
|
virtual void *get() const=0;
|
|
};
|
|
|
|
class GrowBuf : public IGrowBuf
|
|
{
|
|
private: // don't copy instances
|
|
GrowBuf(const GrowBuf&);
|
|
void operator=(const GrowBuf&);
|
|
|
|
public:
|
|
GrowBuf();
|
|
virtual ~GrowBuf();
|
|
|
|
void set_zeroing(int zero);
|
|
int add(const void *data, int len);
|
|
void resize(int newlen);
|
|
int getlen() const;
|
|
void *get() const;
|
|
|
|
private:
|
|
void *m_s;
|
|
int m_alloc;
|
|
int m_used;
|
|
int m_zero;
|
|
|
|
protected:
|
|
int m_bs;
|
|
};
|
|
|
|
class TinyGrowBuf : public GrowBuf {
|
|
public:
|
|
TinyGrowBuf() : GrowBuf() { m_bs=1024; }
|
|
};
|
|
|
|
#endif
|
|
|