Actual submission

exercises/ex01/cards.c

@@ -1,38 +1,80 @@
+/*
+ * Exercise 01 Maalvika Bhat SoftSys2020
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 
-int main()
-{
-  char card_name[3];
-  int count = 0;
-  while (card_name[0] != 'x'){
-  puts("Enter the card_name: ");
-  scanf("%2s", card_name);
-  int val = 0;
-  switch(card_name[0]) {
-  case 'K':
-  case 'Q':
-  case 'J':
-    val = 10;
-    break;
-  case 'A':
-      val = 11;
-      break;
-    case 'X':
-        continue;
-    default:
-          val = atoi(card_name);
-          if ((val < 1) || (val > 10)){
-            puts("Don't understand value");
-            continue;
-          }
-  }
-  if ((val > 2) && (val < 7)) {
-    count ++;
-  } else if (val == 10) {
-      count--;
-  }
-  printf("Current count: %i\n", count);
-  }
-  return 0;
+/*
+ * Prompts the user for the name of the card that has been played.
+ *
+ * prompt: Message to display
+ * card_Name: User-input result
+ */
+void getCardName(char *prompt, char *card_name) {
+	puts(prompt);
+	scanf("%2s", card_name);
+}
+
+/*
+ * Returns the value by which the running total should increase.
+ *
+ * val: The number value of the card that has been played
+ */
+int getIncrement(int val) {
+	if ((val > 2) && (val < 7)) {
+		return 1;
+	} else if (val == 10) {
+		return -1;
+	} else {
+		return 0;
+	}
+}
+
+/*
+ * Prints the total of the cards played so far.
+ *
+ * total: The current total
+ */
+void printTotal(int current) {
+	printf("Current count: %i\n", current);
+}
+
+/*
+ * Simulates a game of blackjack.
+ */
+int play() {
+	char card_name[3];
+	int count = 0;
+	int val = 0;
+	do {
+		getCardName("Enter the card_name: ", card_name);
+		switch(card_name[0]) {
+			case 'K':
+			case 'Q':
+			case 'J':
+				val = 10;
+				break;
+			case 'A':
+				val = 11;
+				break;
+			case 'X':
+				continue;
+			default:
+				val = atoi(card_name);
+				if ((val < 1) || (val > 10)) {
+					puts("I don't understand that value!");
+					continue;
+				}
+		}
+		printTotal(count + getIncrement(val));
+	} while (card_name[0] != 'X');
+	return 0;
+}
+
+/*
+ * The main function.
+ */
+int main() {
+	return play();
 }