#include <common/windows.hpp>
#include <common/string.hpp>
#include <common/file.hpp>
#include <common/winnt.hpp>
#include <decode/disasm.hpp>
#include <iostream.h>

void outDebug(const String &string);
void dump(char *buff,int size);
void patch(void);

void main(int argc,char **argv)
{
  patch(); 
}

void patch(void)
{
  unsigned char signature[]={0x6A,0x6C,0x6A,0x01,0x9A};
	unsigned char patchbytes[]={0x6A,0x6C,0x6A,0x00,0x9A};

// ALREADY PATCHED
//  unsigned char signature[]={0xB8,0x00,0x00,0x0B,0x46,0xFA,0x50,0x9A};
//	unsigned char patchbytes[]={0xB8,0x00,0x00,0x90,0x90,0x90,0x50,0x9A};
//  unsigned char signature[]={0x6A,0x65,0x6A,0x01,0x9A};
//	unsigned char patchbytes[]={0x6A,0x65,0x6A,0x00,0x9A};

	unsigned char byte;
	int index=0;
	int occurrence=0;
	int pos=0;
	bool modify=true;

  File ioFile("d:\\program files\\jamwin\\jammerw.exe","r+b");
	if(!ioFile.isOkay())return;
	while(true)
	{
	  if(!index)pos=ioFile.tell();
	  if(!ioFile.read(byte))break;
		if(byte==signature[index])
		{
		  index++;
		}
		else index=0;
		if(index==sizeof(signature))
		{
		  if(modify)
			{
			  int savePos=ioFile.tell();
			  ioFile.seek(pos);
			  ioFile.write(patchbytes,sizeof(patchbytes));
			  ioFile.seek(savePos);
			}
		  occurrence++;
			index=0;
		}
	}
	outDebug(String("Found ")+String().fromInt(occurrence)+String(" occurrences."));
	if(!modify)outDebug("No changes made because modify=false");
}

void dump(char *buff,int size)
{
  String outLine;
	String item;

	for(int index=0;index<size;index++)
	{
	  ::sprintf(item,"0x%02lx ",buff[index]);
		outLine+=item;
	}
	outDebug(outLine);
}

void outDebug(const String &string)
{
  String outString(string+String("\n"));
  cout << ((String&)string).str() << endl;
  ::OutputDebugString(outString.str());
}