4 files changed, 22 insertions(+), 15 deletions(-)

M programs/program2/parse_csv.c
M programs/program2/print_course.c
M programs/program2/program2.c
M programs/program2/search_course.c

@@ 16,10 16,10 @@ int parse_csv(const char filename[], course_t courses[MAX_COURSES]) {
       strcpy(courses[i].code, strtok(buf, ","));
       strcpy(courses[i].name, strtok(NULL, ","));
 
-      // A magical mystery
+      // The so-called "CRN"
       courses[i].crn = atoi(strtok(NULL, ","));
 
-      // Seats information
+      // Seat information
       courses[i].seats_total = atoi(strtok(NULL, ","));
       courses[i].seats_taken = atoi(strtok(NULL, ","));
       courses[i].seats_open = atoi(strtok(NULL, ","));

@@ 1,6 1,7 @@
 #include "course.h"
 #include <stdio.h>
 
+// Print individual course information
 void print_course(course_t course) {
   // Numbers are from max size of element + alignment factor
   printf("%-36s %9s\n", course.name, course.code);


@@ 8,7 9,8 @@ void print_course(course_t course) {
          course.time, course.professor);
 }
 
-void print_courses(unsigned int max_course, course_t courses[MAX_COURSES]) {
+// Cycle through array of courses and print all of them
+void print_courses(unsigned int max_course, course_t courses[]) {
   for (unsigned int i = 0; i < max_course; i++) {
     print_course(courses[i]);
   }

@@ 31,15 31,15 @@ int main(void) {
   pchoice:
     switch (choice) {
     case 'a': {
-      printf("\n");
+      printf("\n"); // Formatting
       print_courses(max_course, courses);
       break;
     }
     case 'n': {
       char scode[10];
       printf("Course code: ");
-      scanf(" %[^\n]", scode);
-      printf("\n");
+      scanf(" %[^\n]", scode); // scanf code reads until newline
+      printf("\n");            // Formatting
       search_course_code(max_course, courses, scode);
       break;
     }


@@ 47,7 47,7 @@ int main(void) {
       char sdays[8];
       printf("Weekday combo: ");
       scanf(" %[^\n]", sdays);
-      printf("\n");
+      printf("\n"); // Formatting
       search_course_days(max_course, courses, sdays);
       break;
     }


@@ 55,18 55,17 @@ int main(void) {
       unsigned int sseats;
       printf("Max seats: ");
       scanf(" %u", &sseats);
-      printf("\n");
+      printf("\n"); // Formatting
       search_course_upper_bound_seats(max_course, courses, sseats);
       break;
     }
       // HACK Shoddy way of handling newlines
-      // Also handles first pass using labels, which work just like
-      // assembly
+      // Also handles first pass using labels and manual jumping
     case '\n':
     case 26: {
       choice = getchar(); // Read more input; last input was bogus
       if (choice == 'q' || choice == 255) {
-	// Exit the program
+        // Exit the program
         goto exit;
       }
       // Process the new input without printing the help message again

@@ 2,16 2,21 @@
 #include "print_course.h"
 #include <string.h>
 
-void search_course_code(unsigned int max_course, course_t courses[MAX_COURSES],
+// Search for a course by its code
+void search_course_code(unsigned int max_course, course_t courses[],
                         char scode[10]) {
+  // Cycle through each course
   for (unsigned int i = 0; i < max_course; i++) {
+    // Test if equals with `strcmp`
     if (strcmp(courses[i].code, scode) == 0) {
       print_course(courses[i]);
     }
   }
 }
 
-void search_course_days(unsigned int max_course, course_t courses[MAX_COURSES],
+// Search for a course by its weekday occurrences
+// Works the same as `search_course_code(...)`
+void search_course_days(unsigned int max_course, course_t courses[],
                         char sdays[8]) {
   for (unsigned int i = 0; i < max_course; i++) {
     if (strcmp(courses[i].weekdays, sdays) == 0) {


@@ 20,9 25,10 @@ void search_course_days(unsigned int max_course, course_t courses[MAX_COURSES],
   }
 }
 
+// Search for a course with less than or equal to the provided number
+// of total seats
 void search_course_upper_bound_seats(unsigned int max_course,
-                                     course_t courses[MAX_COURSES],
-                                     unsigned int sseats) {
+                                     course_t courses[], unsigned int sseats) {
   for (unsigned int i = 0; i < max_course; i++) {
     if (courses[i].seats_total <= sseats) {
       print_course(courses[i]);