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16 - Stack/ex4.c

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+#include "Lib.h"
+
+#define MAX 21
+
+typedef struct
+{
+    string name;
+    unsigned int amount;
+} VegBox;
+
+//---------------------------------------------------------------------------------------
+//                                     AddBox
+//                                     -------
+//
+// General         : The function added new box to the tower of boxes in some Circumstances.
+//
+// Parameters     : Tower - A stack with boxes inside.(in)
+//                  box   - A item from the type VegBox that needed to be add to the tower. 
+//
+// Return Value : None.
+//
+//---------------------------------------------------------------------------------------
+// Programer    : Cohen Idan
+// Student No.  : 211675038
+// Date         : 05.12.2019
+//---------------------------------------------------------------------------------------
+void AddBox(stack * sk, VegBox vb)
+{
+    Data_Type item = PopStack(sk);
+    Data_Type new_item;
+    stack temp_sk;
+    InitializeStack(&temp_sk);
+    while (!IsEmptyStack(sk) && !StringCompare((*(VegBox *)(item.pointer)).name, vb.name))
+    {
+        item = PopStack(sk);
+        PushStack(&temp_sk, item);
+    }
+    if (!StringCompare((*(VegBox *)(item.pointer)).name, vb.name))
+    {
+        while ((*(VegBox *)(item.pointer)).amount++ < MAX && vb.amount-- > ZERO);
+    }
+    while (!IsEmptyStack(&temp_sk))
+    {
+        PushStack(sk, PopStack(&temp_sk));
+    }
+    if (vb.amount > ZERO)
+    {
+        *(VegBox * )new_item.pointer = vb;
+        PushStack(sk, new_item);
+    }
+}
+
+void main(void)
+{
+    
+}