int main() {
askForName(std::cout);
sayGreeting(std::cout, inputName(std::cin));
}
int main() {
FILE *fp;
FILE *fp2;
char* file_name = "students.txt";
char* file_name2 = "log.txt";
int studentId;
char name[30];
char class[10];
char department[10];
int r;
StudentNode temp;
StudentNode* result;
int i;
int loop;
int userChoice;
//Initialize index array
for (i = 0; i<20; i++) {
indexArray[i].r = i;
indexArray[i].node = NULL;
cur[i] = NULL;
}
printf("Begin of program\n\n");
//Try to open file to read
if ((fp = fopen(file_name, "r")) == NULL) {
printf("No such file\n");
exit(1);
}
//Add students to their corespoding indexes
while (fscanf(fp, "%d:%[^:]:%[^:]:%[^:\n]", &studentId, name, class, department) == 4) {
addStudent(studentId, name, class, department);
}
//Link indexes together
linkIndexes();
//Menu
loop = 1;
while (loop) {
printf ("******************************\n* What do you wanna do? *\n* 1- Add student *\n* 2- Delete student *\n* 3- Find student *\n* 4- Edit student *\n* 5- Student list *\n* 6- Exit *\n******************************");
printf("\nYour choice: ");
scanf("%d%*c", &userChoice);
switch (userChoice) {
case 1:
studentId = askForId();
temp = findStudentById(studentId);
if (temp == NULL) {
strcpy(name, askForName());
strcpy(class, askForClass());
strcpy(department, askForDepartment());
addStudent (studentId, name, class, department);
linkIndexes();
addStudentToFile(studentId, name, class, department, file_name);
makeLog(studentId, "APPEND", file_name2);
printf("Add success!\n");
} else
printf("ID already existed!\n");
break;
case 2:
studentId = askForId();
if (deleteStudent(studentId) == 1) {
deleteStudentFromFile(studentId, file_name);
makeLog(studentId, "DELETE", file_name2);
printf("Delete success!\n");
} else
printf("Can't find any student with given ID!\n");
break;
case 3:
printf("\nFind by which criteria?\n1- Student ID\n2- Name\n3- Class\n4- Department\n5- Back to menu\nYour choice: ");
scanf("%d%*c", &userChoice);
switch (userChoice) {
case 1:
studentId = askForId();
temp = findStudentById(studentId);
printf("\nResult:\n");
if (temp != NULL) {
printf("%-10d | %-30s | %-10s | %-10s\n", temp->studentId, temp->name, temp->class, temp->department);
} else
int main() {
askForName(std::cout);
sayGreeting(std::cout, inputName(std::cin),
inputName(std::cin)); // order is unspecified
}
