操作系統(tǒng)課程設(shè)計(jì)二級(jí)文件系統(tǒng)

1、專 業(yè)：計(jì)算機(jī)信息處理 業(yè)：計(jì)算機(jī)信息處理學(xué) 號(hào)： 號(hào)：08201328 08201328姓 名：楊馨雨 名：楊馨雨提交日期： 提交日期：2011-7-14 2011-7-14操作系統(tǒng)課程設(shè)計(jì)報(bào)告操作系統(tǒng)課程設(shè)計(jì)報(bào)告2char ufdname[MAXNAME]; /*ufd name*/char ufdpword[8]; /*ufd password*/} OSUFD_LOGIN;ty

2、pedef struct /*file open mode定義操作方式*/{int ifopen; /*ifopen:0-close,1-open*/int openmode; /*0-read only,1-write only,2-read and write,3-initial*/}OSUFD_OPENMODE;2 主要函數(shù)void LoginF(); /*LOGIN FileSystem*/void Dir

3、F(); /*Dir FileSystem*/void CreateF(); /*Create File*/void DeleteF(); /*Delete File*/void ModifyFM(); /*Modify FileMode*/void OpenF(); /*Open File*/void CloseF(); /*Close File*/void ReadF(); /*Read File*/void WriteF(

4、); /*Write File*/void QuitF(); /*Quit FileSystem*/void CdF(); /*Change Dir*/void help();【主要程序段】1 Delete 函數(shù)void DeleteF() /*Delete File*/{ char fname[MAXNAME],str[50],str1[50];int i,k,j;int fpaddrno1; if (strcmp(strupr

5、(ltrim(rtrim(dirname))),““)==0) /*無(wú)法刪除主目錄的文件*/{printf(“\nError.Please convert to ufd dir before delete.\n“);wgetchar=1;}if (strcmp(strupr(dirname),strupr(username))!=0) /*無(wú)法刪除非自己目錄的文件*/{printf(“\nError.You can only modif