as_file.h

实现了在arp欺骗环境下

#ifndef __AS_FILE_H__
#define __AS_FILE_H__

#include <io.h>
#include <share.h>
#include <sys\stat.h>

#define LOGFILE		"d:\\log.txt"

int logfile = -1;

void Log_msg(char *msg)
{
	if( (logfile = open(LOGFILE, _O_WRONLY|_O_APPEND|_O_BINARY)) == -1) {
		fprintf(stderr, "open file %s error!\n", LOGFILE);
	}
	if(write(logfile, msg, 1024) == -1){
		fprintf(stderr, "write file %s error!\n", LOGFILE);
		fprintf(stderr, "Error message is %s\n", msg);
	}
}

//////////////////////////////////////////////////////////////////////////
//读取替换文件
//////////////////////////////////////////////////////////////////////////
BOOL GetMyFile(char *FileName, int &mfile, ULONG &flen)
{
	if( (mfile=open( FileName, _O_RDONLY|_O_BINARY )) == -1) {
		printf("open file %s error!\n", FileName);
		return FALSE;
	}
	flen = filelength(mfile);
	return TRUE;
}

#endif