l3_port.h

此为破解装载器一书中的源代码,在看雪论坛下载的,

#ifndef _INCLUDED_L3_PORT_H
#define _INCLUDED_L3_PORT_H

// *L3 Libraries portability issues* Copyright (C) Krzysztof Bosak, 1999-10-02...2001-02-13.
// All rights reserved.
// [e-mail]
// http://www.kbosak.prv.pl

/////////////////////////////////////////////////////////////////////////////

#include <stdio.h>

#define PLATFORM_HAS_FILESYSTEM

/////////////////////////////////////////////////////////////////////////////

#ifdef _MSC_VER
	#define inline __forceinline // Nice trick with Visual C++
#endif

/////////////////////////////////////////////////////////////////////////////

// When there are no assertions:

#ifdef UNDER_CE
	#if UNDER_CE==300  // no assert.h header, but assert macro is defined sometimes inside STL, we define it here explicitly
		#define assert(exp) if(!(exp)) {fprintf(stderr, "Internal problem in file %s at line %d\n", __FILE__, __LINE__);exit(1);}
	#else
		#include <assert.h>
	#endif
#else
	#include <assert.h>
#endif

/////////////////////////////////////////////////////////////////////////////

#ifdef UNDER_CE
	#include "l3_miniiostream.h" // Replacement for iostream.h and fstream.h
#else
	
	#ifdef _MSC_VER
		#if (_MSC_VER >= 1310) // Visual C++ .NET (7.1)
			#include <iostream>
			using namespace std;// OpenWatcom 1.2 hates this line.
		#else
			#include <iostream.h>
		#endif
	#else
		#include <iostream.h>
	#endif
	
	#ifdef PLATFORM_HAS_FILESYSTEM

		#ifdef _MSC_VER
			#if (_MSC_VER >= 1310) // Visual C++ .NET (7.1)
				#include <fstream>
				using namespace std;// OpenWatcom 1.2 hates this line.
			#else
				#include <fstream.h>
			#endif
		#else
			#include <fstream.h>
		#endif

	#endif // PLATFORM_HAS_FILESYSTEM

#endif

/////////////////////////////////////////////////////////////////////////////

// KAI KCC v. 4.0-d1 and Bloodshed Dev-C++
// (MINGW gcc 3.2, DJGPP gcc 3.23, Metrowerks CodeWarrior 8.0 (IDEv5))
// compilers offer no separate flag ios::nocreate
// (but MS Visual C++ needs this flag explicitly
// while the ISO standard tells us nothing about this case!):

/*
__KAI_IOS
__MINGW
__MWERKS__
__DJGPP
*/

#ifdef _MSC_VER
	#if (_MSC_VER >= 1310) // Visual C++ .NET (7.1)
		#define nocreate in
	#endif
#else
	#define nocreate in
#endif

/////////////////////////////////////////////////////////////////////////////

// DEC CXX v. 6.1 compiler hasn't ios::binary nor ios::bin:
#ifdef __DECCXX
	#define binary out
#endif

/////////////////////////////////////////////////////////////////////////////

// When explicit keyword is not supported:
//#define explicit

/////////////////////////////////////////////////////////////////////////////

// When bool type is not present:
//typedef char bool; const bool true=1, false=0;

/////////////////////////////////////////////////////////////////////////////
/*
// When there are no C++ casts:

template <class target>
class c_style_emulated_cast
{
private:
	const target _data;

public:
	template <class source>
	inline explicit c_style_emulated_cast(source data): _data((target)data)
	{
	}
	inline operator target() const
	{
		return _data;
	}

private:
	c_style_emulated_cast& operator=(const c_style_emulated_cast&);// Forbidden.
};
#define static_cast c_style_emulated_cast
#define const_cast c_style_emulated_cast
#define reinterpret_cast c_style_emulated_cast
//#define dynamic_cast c_style_emulated_cast
*/

/////////////////////////////////////////////////////////////////////////////
/*
// Replacement of safe arrays by STL std::vector<>:
// Less safety, slower and much larger executable.
#define _INCLUDED_L3_ARRAY_H
#include <assert.h>
#include <string.h>
#include <limits.h>
#include <stddef.h>
//#include <valarray> // Broken with eMbedded Visual 4.0.
#include <vector>
template <class type>
class autoarray: public std::vector<type>
{
public:
	inline autoarray()
	{
	}
	inline explicit autoarray(int len)
		: std::vector<type>(len)
	{
	}
	inline void setsize(int len)
	{
		resize(0);
		reserve(len);
		resize(len);
	}
	inline void fill(const type& value)
	{
		const int imax=size();
		for(int i=0; i<imax; i++)
			operator[](i)=value;
	}
};

template <class type>
class basearray: public std::vector<type>
{
public:
	inline basearray()
	{
	}
	inline explicit basearray(int len)
		: std::vector<type>(len)
	{
	}
	inline basearray(const type arr[], int len)
		: std::vector<type>(len)
	{
		for(int i=0; i<len; i++)
		{
			operator[](i)=arr[i];
		}
	}
	inline void erase()
	{
		type empty;
		memset(&empty, 0, sizeof(type));
		for(int i=0; i<size(); i++)
		{
			operator[](i)=empty;
		}
	}
	inline void trim()
	{
	}
	void reverse()
	{
		const int sb2=size()>>1;
		for(int i1=0, i2=size()-1; i1<sb2; i1++, i2--)
		{
			const type temp=operator[](i1);
			operator[](i1)=operator[](i2);
			operator[](i2)=temp;
		}
	}
	inline void setsize(int len)
	{
		resize(0);
		reserve(len);
		resize(len);
	}
	inline void fill(const type& value)
	{
		const int imax=size();
		for(int i=0; i<imax; i++)
			operator[](i)=value;
	}
};

#define basearray_s basearray

/////////////////////////////////////////////////////////////////////////////

// Replacement of safe string by STL std::string:
#define _INCLUDED_L3_STR_H
#include <string>
typedef std::string TextString;
*/

/////////////////////////////////////////////////////////////////////////////

#endif // _INCLUDED_L3_PORT_H