generated from freudenreichan/info2Praktikum-DobleSpiel
32 lines
850 B
C
32 lines
850 B
C
#ifndef STACK_H
|
|
#define STACK_H
|
|
|
|
#define MAX_STACK_SIZE 100
|
|
/* A stack is a special type of queue which uses the LIFO (last in, first out) principle.
|
|
This means that with each new element all other elements are pushed deeper into the stack.
|
|
The latest element is taken from the stack. */
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
//TODO: passenden Datentyp als struct anlegen
|
|
typedef struct Stack{
|
|
void* data ;
|
|
StackNode* dannach;
|
|
}StackNode;
|
|
|
|
// Pushes data as pointer onto the stack.
|
|
StackNode *push(StackNode *stack, void *data);
|
|
|
|
// Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be
|
|
// freed by caller.)
|
|
StackNode *pop(StackNode *stack);
|
|
|
|
// Returns the data of the top element.
|
|
void *top(StackNode *stack);
|
|
|
|
// Clears stack and releases all memory.
|
|
void clearStack(StackNode *stack);
|
|
|
|
#endif
|