void read_students(char student_file_name[], student **students,
int *student_size, int *student_count)
{
*student_count = 0;
char temp_buffer[100], *name, *temp_ptr = NULL;
int class_count;
FILE *student_file = fopen(student_file_name, "r");
if(student_file == NULL)
exit(1);
initialize_students(students);
*student_size = 10;
while(fgets(temp_buffer, 100, student_file) != NULL)
{
class_count = 0;
name = strtok(temp_buffer, ",");
(*students)[*student_count].last_name = (char*)malloc(strlen(name) + 1);
strcpy((*students)[*student_count].last_name, name);
name = strtok(NULL, ",");
(*students)[*student_count].first_name = (char*)malloc(strlen(name) + 1);
strcpy((*students)[*student_count].first_name, name);
strcpy((*students)[*student_count].SID, strtok(NULL, ","));
temp_ptr = strtok(NULL, ", \n");
while(temp_ptr != NULL)
{
(*students)[*student_count].CRN[class_count] = atoi(temp_ptr);
temp_ptr = strtok(NULL, ", \n");
class_count++;
}
(*students)[*student_count].count = class_count;
(*student_count)++;
if(*student_count == *student_size)
{
resize_students(students, *student_size);
*student_size *= 2;
}//if
}
fclose(student_file);
}//read_courses
void read_students(Student **students, int *count, int *size,
const char *filename)
{
char line[80], *ptr;
FILE *fp = fopen(filename, "r");
if(fp == NULL)
{
printf("%s not readable.\n", filename);
exit(1);
} // if file not openable
*count = 0;
initialize_students(students, size);
while(fgets(line, 80, fp))
{
if(*count == *size)
resize_students(students, size);
ptr = strtok(line, ",");
(*students)[*count].first_name = (char*) malloc(strlen(ptr) + 1);
strcpy((*students)[*count].first_name, ptr);
ptr = strtok(NULL, ",");
(*students)[*count].last_name = (char*) malloc(strlen(ptr) + 1);
strcpy((*students)[*count].last_name, ptr);
strcpy((*students)[*count].SID, strtok(NULL, ",\n"));
(*students)[*count].count = 0;
while((ptr = strtok(NULL, ",\n")) != NULL)
(*students)[*count].CRNs[(*students)[*count].count++] = atoi(ptr);
(*count)++;
} // while more in file
} // read_students()
