Fixed print student data and read data from file
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63966b9e34
commit
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@ -5,30 +5,4 @@ Computer
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@ -41,7 +41,7 @@ void read_file();
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void quite();
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void quite();
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// Linked list functions
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// Linked list functions
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void add_student(char *student_name, char *student_id, char *course_name, int no_of_units, int *marks);
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void add_student(char student_name[20], char student_id[10], char course_name[20], int no_of_units, int marks[4]);
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int count();
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int count();
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// util functions
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// util functions
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@ -97,7 +97,42 @@ void print_welcome()
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void display_students()
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void display_students()
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{
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{
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printf("\n");
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printf("\n");
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read_student_to_data();
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read_student_to_data();
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STUDENT *student;
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student = head;
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if (student == NULL)
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{
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printf("No student!");
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return;
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}
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print_student(student);
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while (student->next != NULL)
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{
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student = student->next;
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print_student(student);
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}
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}
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void print_student(STUDENT *student)
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{
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printf("Student Name: %s\n", student->student_info.name);
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printf("Student ID: %s\n", student->student_info.id);
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printf("Course Name: %s\n", student->course_info.course_name);
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printf("No of units: %d\n", student->course_info.no_of_units);
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printf("Marks: [ ");
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for (int i = 0; i < student->course_info.no_of_units; i++)
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{
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printf("%d ", student->course_info.marks[i]);
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}
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printf("]\n");
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printf("Avg: %.2f\n", student->course_info.avg);
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}
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}
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void display_menu()
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void display_menu()
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@ -110,20 +145,29 @@ void display_menu()
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printf("(6) Quit program\n\n");
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printf("(6) Quit program\n\n");
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}
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}
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void add_student(char *student_name, char *student_id, char *course_name, int no_of_units, int *marks)
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void add_student(char student_name[20], char student_id[10], char course_name[20], int no_of_units, int marks[4])
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{
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{
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STUDENT *temp, *iterator;
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STUDENT *temp, *iterator;
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temp = (struct student_tag *)malloc(sizeof(struct student_tag));
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temp = (struct student_tag *)malloc(sizeof(struct student_tag));
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PERSON info = {student_name, student_id};
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PERSON info;
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COURSE course = {course_name, no_of_units, marks};
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strncpy(info.name, student_name, 20);
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int sum = 0;
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strncpy(info.id, student_id, 10);
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COURSE course;
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strncpy(course.course_name, course_name, 20);
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course.no_of_units = no_of_units;
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// memcpy(course.marks, marks);
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float sum = 0;
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for (int i = 0; i < no_of_units; i++)
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for (int i = 0; i < no_of_units; i++)
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{
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{
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course.marks[i] = marks[i];
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sum += marks[i];
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sum += marks[i];
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}
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}
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course.avg = sum / no_of_units;
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course.avg = sum / no_of_units;
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temp->student_info = info;
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temp->student_info = info;
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temp->course_info = course;
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temp->course_info = course;
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// reference in head
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// reference in head
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iterator = head;
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iterator = head;
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@ -157,9 +201,9 @@ void read_student_to_data()
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exit(EXIT_FAILURE);
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exit(EXIT_FAILURE);
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}
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}
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char student_name[BUFFER_SIZE];
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char student_name[20];
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char student_id[BUFFER_SIZE];
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char student_id[10];
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char course_name[BUFFER_SIZE];
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char course_name[20];
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int no_of_units;
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int no_of_units;
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int marks[4];
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int marks[4];
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@ -197,26 +241,26 @@ void read_student_to_data()
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course_name[i] = '\0';
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course_name[i] = '\0';
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printf("Student Name: %s\n", student_name);
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// printf("Student Name: %s\n", student_name);
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printf("Student ID: %s\n", student_id);
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// printf("Student ID: %s\n", student_id);
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printf("Course Name: %s\n", course_name);
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// printf("Course Name: %s\n", course_name);
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printf("No of units: %s", no);
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// printf("No of units: %s", no);
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no_of_units = atoi(no);
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no_of_units = atoi(no);
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for (int j = 0; j < no_of_units; j++)
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for (int j = 0; j < no_of_units; j++)
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{
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{
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char d[BUFFER_SIZE];
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char mark[BUFFER_SIZE];
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fgets(d, sizeof d, file);
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fgets(mark, sizeof mark, file);
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sscanf(d, "%d", &marks[j]);
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sscanf(mark, "%d", &marks[j]);
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}
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}
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printf("Marks: [ ");
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// printf("Marks: [ ");
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for (int x = 0; x < no_of_units; x++)
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// for (int x = 0; x < no_of_units; x++)
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{
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// {
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printf("%d ", marks[x]);
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// printf("%d ", marks[x]);
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}
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// }
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printf("]\n\n");
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// printf("]\n\n");
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// add into linked list
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// add into linked list
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add_student(student_name, student_id, course_name, no_of_units, marks);
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add_student(student_name, student_id, course_name, no_of_units, marks);
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@ -292,7 +336,7 @@ void update_file()
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{
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{
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fputs("\n", file);
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fputs("\n", file);
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}
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}
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fputs(name, file);
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fputs(name, file);
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fputs("\n", file);
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fputs("\n", file);
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fputs(id, file);
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fputs(id, file);
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