> On Feb 27, 2:53 pm, "Amali" <amalikarunanay
@gmail.com> wrote:
> > I'm newdie in c programming. this is my first project in programming.
> > I have to write a program for a airline reservation. this is what i
> > have done yet. but when it runs it shows the number of seats as 0 and
> > the flight no. is also repeating. If any can tell why is this please
> > help me.
> > #include<stdio.h>
> > #include<ctype.h>
> > #include<conio.h>
> > #include<string.h>
> > void reserv(void);
> > void add(void);
> > void view(void);
> > void main(void)
> > {
> > int choice1;
> > clrscr();
> > gotoxy(5,5);
> > printf("\t\t\tASIAN RAFFAYA AIRLINE RESERVATION\n");
> > printf("\t\t\t----------------------------------\n");
> > printf("\n");
> > printf("\t\t Main Menue\n");
> > printf("\n\n");
> > gotoxy(10,10);
> > printf("1. Reservation\n");
> > gotoxy(10,12);
> > printf("2. Flight List\n");
> > gotoxy(10,14);
> > printf("3. Help\n");
> > gotoxy(10,16);
> > printf("4. Exit\n");
> > printf("\n\n\n");
> > gotoxy(10,20);
> > printf("Enter ur choice: ");
> > scanf("%i",&choice1);
> > printf("\n");
> > printf("\n");
> > printf("\n");
> > switch(choice1)
> > {
> > case 1:
> > reserv();
> > break;
> > case 2:
> > printf("Flight List\n");
> > break;
> > case 3:
> > printf("Helping window\n");
> > break;
> > case 4:
> > printf("Exit from the window\n");
> > break;
> > default:
> > printf("Invalid\n");
> > getch();
> > }}
> > /*------------------------------
> > reservation---------------------------------*/
> > void reserv(void)
> > {
> > int choice2;
> > clrscr();
> > gotoxy(5,3);
> > printf("\t\t ASIAN RAFFAYA AIRLINE RESERVATION\n");
> > printf("\t\t ----------------------------------\n");
> > printf("\n");
> > printf("\t\t Reservation\n");
> > gotoxy(10,10);
> > printf("1. Booking a seat\n");
> > gotoxy(10,12);
> > printf("2. Edit details\n");
> > gotoxy(10,14);
> > printf("3. View Details\n");
> > gotoxy(10,16);
> > printf("4. Cancel Reservation\n");
> > gotoxy(10,18);
> > printf("5. Search Details\n");
> > gotoxy(10,20);
> > printf("6. Exit\n");
> > printf("\n\n\n");
> > gotoxy(10,22);
> > printf("Enter ur choice: ");
> > scanf("%i",&choice2);
> > printf("\n");
> > printf("\n");
> > printf("\n");
> > switch(choice2)
> > {
> > case 1:
> > add(); /*----------add reservation-----------*/
> > break;
> > case 2:
> > printf("Edit name\n"); /*-----------edit reservation---------*/
> > break;
> > case 3:
> > view(); /*-----------view reservation----------*/
> > break;
> > case 4:
> > printf("Delete"); /*------------delete reservation---------*/
> > break;
> > case 5:
> > printf("Search \n"); /*------------search reservation----------
> > */
> > break;
> > case 6:
> > printf("Exit from the window\n");
> > break;
> > default:
> > printf("invalid\n");
> > }}
> > /*-------------------------------
> > Add-----------------------------------------*/
> > void add(void)
> > {
> > char name[40];
> > int res_num=0,up;
> > int seat;
> > char flight[6];
> > char pass[8];
> > FILE*sfile;
> > if((sfile=fopen("c:\\air.dat","a+"))==NULL)
> > res_num=1;
> > else
> > {
> > do{
> > fscanf(sfile,"%i\t %s \t\t%s \t%i \t%s
> > ",&res_num,&name,&pass,&seat,
> > &flight);
> > }while(!feof(sfile));
> > res_num+=1;
> > }
> > clrscr();
> > gotoxy(5,3);
> > printf("\t\t ASIAN RAFFAYA AIRLINE RESERVATION\n");
> > printf("\t\t ----------------------------------\n");
> > gotoxy(25,6);
> > printf("Booking a seat");
> > printf("\n\n\n\n");
> > printf("Reservation no: %04i ",res_num);
> > printf("\nName : ");
> > fflush(stdin);
> > gets(name);
> > printf("passport no : ");
> > fflush(stdin);
> > gets(pass);
> > printf("number of seats: ");
> > scanf("%i",&seat);
> > printf("flight : ");
> > fflush(stdin);
> > gets(flight);
> > printf("\n\n Record Saved!");
> > fprintf(sfile,"%i \t%s \t\t%s \t%i \t%s
> > \n",res_num,name,pass,seat,flight);
> > fclose(sfile);
> > do{
> > printf("\nPress [2] to go to reservation: ");
> > scanf("%i",&up);
> > if(up!=2)
> > printf("Invalid Entry");
> > }while(up!=2);
> > reserv();
> > }
> > /*-----------------------view
> > reservations------------------------------------*/
> > void view(void)
> > {
> > char name[40];
> > int res_num,up;
> > int seat;
> > char flight[6];
> > char parse[8];
> > FILE*sfile;
> > clrscr();
> > if((sfile=fopen("c:\\air.dat","a+"))==NULL)
> > printf("File Empty!");
> > else
> > {
> > printf("\t\t ASIAN RAFFAYA AIRLINE RESERVATION\n");
> > printf("\t\t ----------------------------------\n");
> > printf("\n\n No Name\t\t NRIC \t No.of seats \t Flight\n");
> > printf("-------------------------------------------------\n");
> > while(!feof(sfile))
> > {
> > fscanf(sfile,"%04i \t%s \t\t%s \t%i \t
> > %s",&res_num,&name,&parse,&seat,&flight);
> > if(feof(sfile))
> > break;
> > printf("%04i \t%s \t\t%s \t%i \t%s
> > \n",res_num,name,parse,seat,flight);
> > }
> > }
> > fclose(sfile);
> > do{
> > printf("\n\n\nPress [2] to go to reservation: ");
> > scanf("%i",&up);
> > if(up!=2)
> > printf("Invalid Entry");
> > }while(up!=2);
> > reserv();
> > }- Hide quoted text -
> >
> I think my problem is in add and view functions.
> Please help me.
Here are my comments. (3) fflush does not work on input streams. So fix it before you can
add.