ext2.c

用c语言编程

/*ext2.c*/
/*主程序*/
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <signal.h>
#include "structure.h"
#include "login.h"
#include "alloc.h"
#include "format.h"
#include "dir.h"
#include "file.h"
int main(char argc,char **argv)
{
    char command[10],temp[10];
    char authority[1];
    if(login())
    {
        printf("System refused!\n");
        return 1;
    }
    initialize_memory();
    while(1)
    {
        printf("\n%s]#",current_path);
        scanf("%s",command);
        if(!strcmp(command,"cd"))
        {
            scanf("%s",temp);
            cd(temp);
        }
        else if(!strcmp(command,"mkdir"))
        {
            scanf("%s",temp);
            mkdir(temp,2);
        }
        else if(!strcmp(command,"mkf"))
        {
            scanf("%s",temp);
            mkdir(temp,1);
        }
        else if(!strcmp(command,"rmdir"))
        {
            scanf("%s",temp);
            rmdir(temp);
        }
        else if(!strcmp(command,"rm"))
        {
            scanf("%s",temp);
            del(temp);
        }
        else if(!strcmp(command,"attrib"))
        {
            scanf("%s",authority);
            scanf("%s",temp);
            chmod(authority,temp);
        }
        else if(!strcmp(command,"open"))
        {
            scanf("%s",temp);
            open_file(temp);
        }
        else if(!strcmp(command,"close"))
        {
            scanf("%s",temp);
            close_file(temp);
        }
        else if(!strcmp(command,"read"))
        {
            scanf("%s",temp);
            read_file(temp);
        }
        else if(!strcmp(command,"write"))
        {
            scanf("%s",temp);
            write_file(temp);
        }
        else if(!strcmp(command,"ls"))ls();
        else if(!strcmp(command,"format"))
        {
            char tempch;
            printf("Format will erase all the data in the Disk\n");
            printf("Are you sure?y/n:\n");
            scanf(" %c",&tempch);
            if(tempch=='Y'||tempch=='y')
            {
                fclose(fp);
                initialize_disk();
            }
            else
            printf("Format Disk canceled\n");
        }

        else if(!strcmp(command,"help"))help();
        else if(!strcmp(command,"quit"))break;
        else printf("No this Command,Please check!\n");
    }
    return 0;
}