#include
#include“head.h“
#include
#include
struct?hinode?hinode[NHINO];
struct?dir?dir;
struct?pwd?pwd[PWDNUM];
struct?user?user[USERNUM];
struct?inode?*cur_path_inode;
int?user_id;
int?user_gid;
int?login1;
int?infile;//判斷是否是查詢。
FILE?*fd;
struct?filsys?filsys;?
struct?listid?listid;
struct?inode?*iget（unsigned?int?dinodeid）
{
	int?exited=0;
	unsigned?int?inodeid;
	long?addr;
	struct?inode?*temp*newinode;
	inodeid=dinodeid%NHINO;
if（hinode[inodeid].i_forw?==NULL）exited=0;
else
{
	temp=hinode[inodeid].i_forw?;
	while（temp）
	{
		if（temp->i_ino?==inodeid）
		{
			exited=1;
			temp->i_count++;
			return?temp;
		}
		else
			temp=temp->i_forw?;
	};
}
addr=DINODESTART+dinodeid*DINODESIZ;
newinode=（struct?inode*）malloc（sizeof（struct?inode））;
fseek（fdaddr0）;
fread（&（newinode->di_number）DINODESIZ1fd）;
newinode->i_count?=1;
newinode->i_flag?=0;
newinode->i_ino?=dinodeid;
return?newinode;??
}
void?iput（struct?inode?*pinode）
{
	long?addr;

	if（pinode->i_count>1）
	{
		pinode->i_count--;
		return;
	}
	else
		if（pinode->di_number!=0）
		{
			addr=DINODESTART+pinode->i_ino*DINODESIZ;
			fseek（fdaddr0）;
			fwrite（&pinode->di_numberDINODESIZ1fd）;
		}
}
void??format（）
{
	struct?inode?*inode;
	struct?direct?dir_buf[BLOCKSIZ/（DIRSIZ+2）];
struct?pwd?pwd[BLOCKSIZ/（PWDSIZ+4）];
	char?*buf;
int?i;
??fd=fopen（“filesystem““wb+“）;
??buf=（char*）malloc（（DINODEBLK+FILEBLK+2）*BLOCKSIZ*sizeof（char））;
if（buf==NULL）

{printf（“\nfile?system?creat?failed!!!\n“）;
exit（0）;
}
fseek（fd00）;
fwrite（buf1（DINODEBLK+FILEBLK+2）*BLOCKSIZ*sizeof（char）fd）;
pwd[0].p_uid?=111;pwd[0].p_gid=01;
strcpy（pwd[0].password“aaa“）;
pwd[1].p_uid?=222;pwd[1].p_gid=01;
strcpy（pwd[1].password“bbb“）;
pwd[2].p_uid?=333;pwd[2].p_gid=02;
strcpy（pwd[2].password“ccc“）;
pwd[3].p_uid?=444;pwd[3].p_gid=03;
strcpy（pwd[3].password“ddd“）;
pwd[4].p_uid?=555;pwd[4].p_gid=04;
strcpy（pwd[4].password“eee“）;
inode=iget（0）;
inode->di_mode=DIEMPTY;
iput（inode）;

inode=iget（1）;
inode->di_number=1;
inode->di_mode=DIDIR|DEFAULTMODE;
inode->di_size=3*（DIRSIZ+2）;
inode->di_addr[0]=0;
strcpy（dir_buf[0].d_name“..“）;
dir_buf[0].d_ino=1;
strcpy（dir_buf[1].d_name“.“）;
dir_buf[1].d_ino=1;
strcpy（dir_buf[2].d_name“etc“）;
dir_buf[2].d_ino=2;
fseek（fdDATASTART0）;
fwrite（dir_buf13*（DIRSIZ+2）fd）;
iput（inode）;

inode=iget（2）;
inode->di_number=1;
inode->di_mode=DIDIR|DEFAULTMODE;
inode->di_size=3*（DIRSIZ+2）;
inode->di_addr[0]=1;
strcpy（dir_buf[0].d_name“..“）;
dir_buf[0].d_ino=1;
strcpy（dir_buf[1].d_name“.“）;
dir_buf[1].d_ino=2;
strcpy（dir_buf[2].d_name“pwd“）;
dir_buf[2].d_ino=3;
fseek（fdDATASTART+BLOCKSIZ*10）;
fwrite（dir_buf13*（DIRSIZ+2）fd）;
iput（inode）;

inode=iget（3）;
inode->di_number=1;
inode->di_mode=DIFILE;
inode->di_size=3*（DIRSIZ+2）;
inode->di_addr[0]=2;
for（i=5;i{
	pwd[i].p_gid=0;
	pwd[i].p_uid=0;
	strcpy（pwd[i].password“aaaaaaaaaaa

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2429??2004-05-09?16:41??Linux\head.h

?????文件???????4330??2004-03-23?21:33??Linux\linux.dsp

?????文件????????535??2004-03-23?20:42??Linux\linux.dsw

?????文件??????21967??2004-05-27?21:33??Linux\main.cpp

????...D..R?????????0??2007-08-12?22:16??Linux

-----------?---------??----------?-----??----

????????????????29261????????????????????5