stack.h

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/*
 * Salad - An assortment of useful C stuff
 * Copyright (C) 2016 Lloyd Dilley
 * http://www.dilley.me/
 *
 * This file is part of Salad.
 *
 * Salad is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version
 * 3 of the License, or (at your option) any later version.
 *
 * Salad is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Salad. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef STACK_H
#define STACK_H

#include "salad/list.h"
#include "salad/types.h"
#include "salad/vector.h"

typedef enum { sld_stack_list = 0, sld_stack_vector = 1 } sld_stack_type;

typedef struct sld_stack
{
  sld_stack_type stack_type; 
  SLD_UINT size;             
  struct sld_list *list;     
  struct sld_vector *vector; 
} sld_stack;

SLD_SSINT sld_stack_init(struct sld_stack *stack, sld_stack_type stack_type);

SLD_UINT sld_stack_size(struct sld_stack *stack);

SLD_SSINT sld_stack_push(struct sld_stack *stack, void *object);

void *sld_stack_pop(struct sld_stack *stack);

void *sld_stack_peek(struct sld_stack *stack);

void sld_stack_free(struct sld_stack *stack);

#endif /* STACK_H */