From 442a49ad5a48d417345959b903ae6a6d32d55759 Mon Sep 17 00:00:00 2001
From: Haidong Ji
Date: Fri, 15 Apr 2022 15:51:30 -0500
Subject: Great C programming fun

Excellent fundamentals and displine training, many tools and techniques
exercises: gdb, emacs, valgrind, git
---
 c3prj1_deck/deck.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 c3prj1_deck/deck.c

(limited to 'c3prj1_deck/deck.c')

diff --git a/c3prj1_deck/deck.c b/c3prj1_deck/deck.c
new file mode 100644
index 0000000..2757a3c
--- /dev/null
+++ b/c3prj1_deck/deck.c
@@ -0,0 +1,75 @@
+#include "deck.h"
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void print_hand(deck_t *hand) {
+  for (size_t i = 0; i < hand->n_cards; i++) {
+    print_card(*hand->cards[i]);
+    printf(" ");
+  }
+}
+
+int deck_contains(deck_t *d, card_t c) {
+  for (size_t i = 0; i < d->n_cards; i++) {
+    if (d->cards[i]->value == c.value && d->cards[i]->suit == c.suit) {
+      return 1;
+    }
+  }
+  return 0;
+}
+
+void shuffle(deck_t *d) {
+  card_t c;
+  for (size_t i = d->n_cards; i > 0; i--) {
+    int r = rand() % i;
+    c = *d->cards[i - 1];
+    *d->cards[i - 1] = *d->cards[r];
+    // d[i-1] = d[r];
+    *d->cards[r] = c;
+  }
+}
+
+void assert_full_deck(deck_t *d) {
+  card_t temp;
+  for (int i = 0; i <= 51; i++) {
+    temp = card_from_num(i);
+    assert(deck_contains(d, temp) == 1);
+  }
+}
+
+void add_card_to(deck_t *deck, card_t c) {
+  deck->n_cards++;
+  deck->cards = realloc(deck->cards, deck->n_cards * sizeof(*card_t));
+  deck->cards[deck->n_cards - 1] = &c;
+}
+
+card_t *add_empty_card(deck_t *deck) {
+  card_t *c = malloc(sizeof(card_t));
+  c->value = 0;
+  c->suit = 0;
+  add_card_to(deck, *c);
+  return c;
+}
+
+deck_t *make_deck_exclude(deck_t *excluded_cards) {
+  deck_t *deck = malloc(sizeof(deck_t));
+  deck->n_cards = 0;
+  card_t *c = malloc(sizeof(card_t));
+  for (int i = 0; i < 52; i++) {
+    *c = card_from_num(i);
+    if (deck_contains(excluded_cards, c) == 1) {
+      continue;
+    } else {
+      deck->n_cards++;
+      deck->cards = realloc(deck->cards, deck->n_cards * sizeof(*card_t));
+      deck->cards[deck->n_cards - 1] = c;
+    }
+  }
+  free(c);
+  return deck;
+}
+
+deck_t * build_remaining_deck(deck_t ** hands, size_t n_hands) {
+
+}
-- 
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