rtxIntStack.h

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/*
 * Copyright (c) 2003-2018 Objective Systems, Inc.
 *
 * This software is furnished under a license and may be used and copied
 * only in accordance with the terms of such license and with the
 * inclusion of the above copyright notice. This software or any other
 * copies thereof may not be provided or otherwise made available to any
 * other person. No title to and ownership of the software is hereby
 * transferred.
 *
 * The information in this software is subject to change without notice
 * and should not be construed as a commitment by Objective Systems, Inc.
 *
 * PROPRIETARY NOTICE
 *
 * This software is an unpublished work subject to a confidentiality agreement
 * and is protected by copyright and trade secret law.  Unauthorized copying,
 * redistribution or other use of this work is prohibited.
 *
 * The above notice of copyright on this source code product does not indicate
 * any actual or intended publication of such source code.
 *
 *****************************************************************************/
#ifndef _RTXINTSTACK_
#define _RTXINTSTACK_

#include "rtxsrc/rtxContext.h"

#define OSRTISTK_DEFAULT_CAPACITY 100

typedef struct _OSRTIntStack {
   OSCTXT*      pctxt;      /* context pointer */
   OSINT32*     pdata;      /* stack data */
   size_t       index;      /* index to top element */
   size_t       size;       /* current size of the stack */
} OSRTIntStack;

#ifdef __cplusplus
extern "C" {
#endif

EXTERNRT int rtxIntStackInit
(OSCTXT* pctxt, OSRTIntStack* pstack, size_t capacity);

EXTERNRT int rtxIntStackPush (OSRTIntStack* pstack, OSINT32 value);

EXTERNRT int rtxIntStackPeek (OSRTIntStack* pstack, OSINT32* pvalue);

EXTERNRT int rtxIntStackPop (OSRTIntStack* pstack, OSINT32* pvalue);

#define rtxIntStackIsEmpty(stack) (OSBOOL)((stack).index == 0)

#ifdef __cplusplus
}
#endif

#endif