#include "StdAfx.h"
#include "b_file.h"
//******************************************************************************************************************
Cb_file::Cb_file(void)
{
	hfile=INVALID_HANDLE_VALUE;
	er=NULL;
}
//******************************************************************************************************************
Cb_file::~Cb_file(void)
{
	cierra();
}
//******************************************************************************************************************
BOOL Cb_file::abre( char* path,int modo,BOOL sobre_escri , BOOL shared)
{
	int fl;
	int fl1;
	int fl2=0;
	if(shared)
		fl2=FILE_SHARE_READ;
	if (modo==1)
	{
		fl=GENERIC_READ;
		fl1=OPEN_EXISTING;
	}
	else if (modo==2)
	{
		fl=GENERIC_WRITE;
		if (sobre_escri)
			fl1=CREATE_ALWAYS;
		else
			fl1=OPEN_ALWAYS; 
	}
	else 
	{
		fl=GENERIC_READ | GENERIC_WRITE;
		fl1=OPEN_ALWAYS;
		if (sobre_escri)
			fl1=CREATE_ALWAYS;
		else
			fl1=OPEN_ALWAYS; 
	}

	hfile = CreateFile(path, fl, fl2, NULL, 
		fl1, FILE_ATTRIBUTE_NORMAL, 0);

	if (hfile == INVALID_HANDLE_VALUE)
	{
		if (er)
			er->pon_win("Cb_file");
		return FALSE;
	} 
	return TRUE;
}
//******************************************************************************************************************
QWORD Cb_file::size()
{
	if (!irAini())
		return 0;
	if (!irAfin())
		return 0;
	return dw;

}
//******************************************************************************************************************