1 files changed, 79 insertions, 0 deletions
diff --git a/server/card_stack.c b/server/card_stack.c
new file mode 100644
index 0000000..aa8af71
--- /dev/null
+++ b/server/card_stack.c
@@ -0,0 +1,79 @@
+#include "card_stack.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+void init_stack(player_cards *deck)
+{
+    *deck = NULL;
+}
+
+void push_stack(player_cards *deck, const char *str)
+{
+    struct card_stack_item *new_card = malloc(sizeof(struct card_stack_item));
+    new_card->str = str;
+    new_card->next = *deck;
+    if(new_card->next)
+        new_card->next->prev = new_card;
+    new_card->prev = NULL;
+    *deck = new_card;
+}
+
+int is_empty_stack(const player_cards deck)
+{
+    return !deck;
+}
+
+int find_out_card_quantity_in_deck(player_cards deck)
+{
+    int counter = 0;
+
+    while(deck) {
+        ++counter;
+        deck = deck->next;
+    }
+    return counter;
+}
+
+const char* remove_card_from_stack(player_cards *deck, const char *str)
+{
+    struct card_stack_item *tmp = NULL;
+    struct card_stack_item *first_tmp = *deck;
+    const char *card = NULL;
+
+    while(first_tmp) {
+        if(!strcmp(first_tmp->str, str)) {
+            tmp = first_tmp;
+            if(first_tmp->prev)
+                first_tmp->prev->next = first_tmp->next;
+            else
+                *deck = first_tmp->next;
+            if(first_tmp->next)
+                first_tmp->next->prev = first_tmp->prev;
+            card = tmp->str;
+            free(tmp);
+            return card;
+        }
+        first_tmp = first_tmp->next;
+    }
+    return 0;
+}
+
+struct card_stack_item* get_next_card_from_stack(player_cards deck,
+                                                 player_cards prev)
+{
+    if(prev == NULL)
+        return deck;
+    else
+        return prev->next;
+}
+
+int find_card_in_stack(player_cards involved_cards, const char *str)
+{
+    while(involved_cards) {
+        if(!strcmp(involved_cards->str, str))
+            return 1;
+        involved_cards = involved_cards->next;
+    }
+    return 0;
+}