1 files changed, 61 insertions, 0 deletions
diff --git a/server/card_queue.c b/server/card_queue.c
new file mode 100644
index 0000000..194ea0c
--- /dev/null
+++ b/server/card_queue.c
@@ -0,0 +1,61 @@
+#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) {
+        cq->first = tmp;
+        cq->last = tmp;
+    } else {
+        cq->last->next = tmp;
+        cq->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;
+    struct card_queue_item *tmp = cq->first;
+
+    while(tmp) {
+        ++counter;
+        tmp = tmp->next;
+    }
+    return counter;
+}