From 0733ff24c89c8208b7e5d2789d0913d435b9e0fa Mon Sep 17 00:00:00 2001
From: scratko <m@scratko.xyz>
Date: Fri, 2 Aug 2024 15:55:08 +0300
Subject: Initial commit

---
 card_queue.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 card_queue.c

(limited to 'card_queue.c')

diff --git a/card_queue.c b/card_queue.c
new file mode 100644
index 0000000..ec42b3b
--- /dev/null
+++ b/card_queue.c
@@ -0,0 +1,60 @@
+#include "card_queue.h"
+
+#include <stdlib.h>
+
+void init_queue(struct card_queue *cq)
+{
+    cq->first = NULL;
+    cq->last = NULL;
+}
+
+void push_queue(struct card_queue *cq, const char *str)
+{
+    struct card_queue_item *tmp = malloc(sizeof(struct card_queue_item));
+    tmp->str = str;
+    tmp->next = NULL;
+    if(!cq->first) {
+        cd->first = tmp;
+        cd->last = tmp;
+    } else {
+        cd->last->next = tmp;
+        cd->last = tmp;
+    }
+}
+
+struct card_queue_item* get_next_card_from_queue(struct card_queue *cq,
+                                                 struct card_queue_item *prev)
+{
+    if(prev == NULL)
+        return cq->first;
+    else
+        return prev->next;
+}
+
+int is_empty_queue(struct card_queue *cq)
+{
+    return !cq->first;
+}
+
+const char* pop_card_queue(struct card_queue *cq)
+{
+    struct card_queue_item *tmp = NULL;
+    const char *card = NULL;
+
+    tmp = cq->first;
+    cq->first = cq->first->next;
+    card = tmp->str;
+    free(tmp);
+    return card;
+}
+
+int find_out_card_quantity_in_cq(const struct card_queue *cq)
+{
+    int counter = 0;
+
+    while(cq) {
+        ++counter;
+        cq = cq->next;
+    }
+    return counter;
+}
-- 
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