dir.main added

Home/PL/HW/Stack Calculator/Yar/function.c

@@ -0,0 +1,76 @@
+#include "header.h"
+
+void linked_print(LinkedList *l)
+{
+    while (l != NULL)
+    {
+        printf("%lF\n", l->x);
+        l = l->next;
+    }
+}
+
+LinkedList *add_head(LinkedList *l, double x)
+{
+    if (l == NULL)
+    {
+        l = malloc(sizeof(LinkedList));
+        if (l == NULL)
+            exit(1);
+        l->x = x;
+        l->next = NULL;
+    }
+
+    if (l->x == 0.0)
+    {
+        l->x = x;
+        l->next = NULL;
+        return l;
+    }
+
+    LinkedList *tmp = malloc(sizeof(LinkedList));
+    if (tmp == NULL)
+        exit(1);
+
+    tmp->next = l;
+    tmp->x = x;
+    return tmp;
+}
+
+LinkedList *del_head(LinkedList *l)
+{
+    if (l == NULL)
+        return NULL;
+    else if (l->next == NULL)
+    {
+        free(l);
+        l = NULL;
+        return NULL;
+    }
+    LinkedList *tmp = l->next;
+    free(l);
+    l = NULL;
+    return tmp;
+}
+
+int len(LinkedList *l)
+{
+    int res = 0;
+    while (l != NULL)
+    {
+        res++;
+        l = l->next;
+    }
+    return res;
+}
+
+LinkedList get(LinkedList *l, int n)
+{
+    if (n > len(l))
+        exit(3);
+    int i;
+    for (i = 0; i < n; i++)
+    {
+        l = l->next;
+    }
+    return *l;
+}