static int
optint(lua_State *L, int narg, lua_Integer def)
{
if (lua_isnoneornil(L, narg))
return (int) def;
return (int)checkinteger(L, narg, "int or nil");
}
int main(){
char s[100];
int a,i=1;
while(i){
printf("1.Press 1 to check integer\n2.Press 2 to check mobile number\n");
printf("3.Press 3 to check 12 digit account number\n4.Press 4 to check password with at least 1 integer,1 upper,1 lower and 1 special\n");
printf("5.Press 5 to check date as dd/mm/yyyy\n6.Press 6 to exit\n");
scanf("%d",&a);
if(a<=6 && a>=1){
switch(a){
case 1: printf("Enter Integer\n");
scanf("%s",s);
checkinteger(s);
break;
case 2: printf("Enter Mobile number\n");
scanf("%s",s);
checkmobileno(s);
break;
case 3: printf("Enter Account number ");
scanf("%s",s);
checkaccountno(s);
break;
case 4: printf("Enter Password\n");
scanf("%s",s);
checkpassword(s);
break;
case 5: printf("Enter Date\n");
scanf("%s",s);
checkdate(s);
break;
case 6: printf("Thank you for using the program\n");
i=0;
}
}
else{
printf("Wrong input,Please try once more\n");
}
}
return 0;
}
int main(){
FILE *fp;
char source[20],destination[20],filename[20],filename2[20],deleted[20];
int a[12]={31,28,31,30,31,30,31,31,30,31,30,31};
int n,t_date,t_month,t_year,date,month,year,t,bus_no,seat_no;
do{
start=readbus(start);
printf("*---------------------------------------------------------------------*\n");
printf("* 1.Information about all buses *\n");
printf("* 2.Available buses between one station to another station *\n"); //following operations can be done
printf("* 3.Reserve ticket for a particular bus *\n"); //by using this program
printf("* 4.Cancel ticket *\n");
printf("* 5.exit *\n");
printf("*---------------------------------------------------------------------*\n");
printf("Enter your choice\t-->");
fflush(stdin);
scanf("%d",&n);
n=checkinteger(n);
t=n;
if(n==3)
n=2;
switch(n){ //operations have done by using switch case
case 1:
display_all(start);
break;
case 2:
fflush(stdin);
fp=fopen("todaydate.txt","r"); //read the today date by using file "todaydate.txt"
if(fp==NULL)
printf("can't open file\n");
else
while(fscanf(fp,"%d%d%d",&t_date,&t_month,&t_year)!=EOF); //scan date,month,year by user to check availability
printf("Enter your source station\t-->");
scanf("%s",source);
printf("Enter your destination\t-->"); //scan source,desetination stations by user
scanf("%s",destination);
int i=1;
while(i){
fflush(stdin);
printf("Enter your date of journey\t-->");
scanf("%d",&date);
date=checkinteger(date);
printf("Enter your month of journey\t-->");
fflush(stdin);
scanf("%d",&month);
month=checkinteger(month);
printf("Enter your year of journey\t-->");
fflush(stdin);
scanf("%d",&year);
year=checkinteger(year);
if(year%4==0)
a[1]=29;
if(month<=12&&month>0&&date<=a[month-1]){
if(year==t_year){
if(month==t_month){
if(date>=t_date)
i=0;
else
i=1;
}
else if(month>t_month) //check the date if it is right or wrong
i=0;
else
i=1;
}
else if(year>t_year)
i=0;
else
i=1;
}
}
assign(date,month,year);
checkbus(start,source,destination);
if(t==2)
break;
case 3:
fflush(stdin);
printf("Enter busno to reserve\t-->");
fflush(stdin);
scanf("%d",&bus_no);
bus_no=checkinteger(bus_no);
t=reserve(bus_no);
if(t!=0){
fp=fopen("filename.txt","w");
fprintf(fp,"%d%d%d%d",date,month,year,bus_no); //file created by "datemonthyearbusno.txt"
fclose(fp);
fp=fopen("filename.txt","r");
fscanf(fp,"%s",filename2);
fclose(fp);
strcat(filename2,".txt");
fp=fopen(filename2,"a");
if(fp==NULL)
printf("can't open file\n");
fclose(fp);
seatsallocation(bus_no,filename2);
}
break;
case 4:
printf("Enter your date of journey\t-->");
fflush(stdin);
scanf("%d",&date);
date=checkinteger(date);
printf("Enter your month of journey\t-->");
fflush(stdin);
scanf("%d",&month);
month=checkinteger(month);
printf("Enter your year of journey\t-->");
fflush(stdin);
scanf("%d",&year);
year=checkinteger(year);
printf("enter bus no\t-->");
fflush(stdin);
scanf("%d",&bus_no);
printf("enter seat_no\t-->");
scanf("%d",&seat_no);
seat_no=checkinteger(seat_no);
fp=fopen("filename.txt","w");
fprintf(fp,"%d%d%d%d",date,month,year,bus_no); //ticket is cancell on "datemonthyearbusno.txt"
fclose(fp);
fp=fopen("filename.txt","r");
fscanf(fp,"%s",deleted);
fclose(fp);;
strcat(deleted,".txt");
cancelticket(deleted,seat_no);
printf("\n:::Ticket cancelled on your date:::\n\n");
break;
}
ptr=start;
while(ptr!=NULL){
ptr=start;
start=start->next; //free all node in the linkedlist which stores details of "busdetails.txt"
free(ptr);
ptr=ptr->next;
}
}while(n!=5);
return 0;
}
void seatsallocation(int busno,char filename2[20]){
ptr=start;
FILE *fp;
int i=1,seat_no,age,flag=0,availableseats=40,kk=1;
char gender[20],name[20],c;
struct user *usernode=NULL,*userinsert,*username,*k=NULL;
while(ptr!=NULL){
if(ptr->bus_no==busno){
fp=fopen(filename2,"r");
if(fp==NULL){
printf("cannot open file\n");
fclose(fp);
break;
}
userinsert=(struct user*)malloc(sizeof(struct user));
while(fscanf(fp,"%d %s %d %c",&userinsert->seat_no,userinsert->name,&userinsert->age,&userinsert->gender)!=EOF){
printf("%d %s %d %c\n",userinsert->seat_no,userinsert->name,userinsert->age,userinsert->gender);
availableseats--;
if(usernode==NULL){
usernode=userinsert; //scan the user information into the linked list and performing operations
userinsert->next=NULL;
}
else{
username=usernode;
while(username!=NULL){
if(username->seat_no<userinsert->seat_no){
k=username;
if(username->next==NULL){
username->next=userinsert;
userinsert->next=NULL;
break;
}
username=username->next;
}
else{
if(k==NULL){ //user information sorted by seat_no
userinsert->next=usernode;
usernode=userinsert;
break;
}
else if(k!=NULL){
userinsert->next=username;
k->next=userinsert;
break;
}
}
}
}
userinsert=(struct user*)malloc(sizeof(struct user));
}
fclose(fp);
break;
}
ptr=ptr->next;
}
printf("\navailableseats-->%d\n\n",availableseats);
username=usernode;
for(i=1;i<=40;i++){
if(username!=NULL&&i==username->seat_no){
printf("%d--%c",i,username->gender);
username=username->next;
}
else{
printf("%d--",i);
} //print the seat_no and its status of requried bus
if(i%4==1||i%4==3)
printf("\t");
else if(i%4==2)
printf("\t\t");
else
printf("\n");
}
printf("\n\n");
fp=fopen(filename2,"a");
do{
kk=1;
printf("Enter which seat_no you want\t-->");
fflush(stdin);
scanf("%d",&seat_no);
seat_no=checkinteger(seat_no);
username=usernode;
while(username!=NULL){
if(username->seat_no==seat_no){
printf("Already reserved--");
kk=0; //check user information is correct or not
break;
}
else if(seat_no>40){
printf("invalid choice--");
kk=0; //check user information is correct or not
break;
}
username=username->next;
}
}while(kk!=1);
printf("Enter Passenger name\t-->");
fflush(stdin);
scanf("%s",name);
printf("ENter passenger age\t-->");
fflush(stdin);
scanf("%d",&age);
age=checkinteger(age);
while(age<0||age>120){
printf("ENter passenger age\t-->");
fflush(stdin);
scanf("%d",&age);
age=checkinteger(age);
}
do{ //passenger can be reserved
printf("Enter passener gender\t-->");
fflush(stdin);
fflush(stdin);
scanf("%s",gender);
gender[1]='\0';
username=usernode;
if(strcmp(gender,"m")==0||strcmp(gender,"M")==0||strcmp(gender,"f")==0||strcmp(gender,"F")==0){
flag=0;
}
else{
printf("correct your gender--");
flag=1;
}
}while(flag==1);
fprintf(fp,"%d %s %d %s\n",seat_no,name,age,gender);
fclose(fp); //conformation of reservation
printf("\n:::your reservation is conformed:::\n");
username=usernode;
while(usernode!=NULL){
username=usernode;
usernode=usernode->next; //free the linkedlist
free(username);
}
}
static long
checklong(lua_State *L, int narg)
{
return (long)checkinteger(L, narg, "int");
}
static int
checkint(lua_State *L, int narg)
{
return (int)checkinteger(L, narg, "int");
}
