rtxIntStack.h

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00001 /*
00002  * Copyright (c) 2003-2017 Objective Systems, Inc.
00003  *
00004  * This software is furnished under a license and may be used and copied
00005  * only in accordance with the terms of such license and with the
00006  * inclusion of the above copyright notice. This software or any other
00007  * copies thereof may not be provided or otherwise made available to any
00008  * other person. No title to and ownership of the software is hereby
00009  * transferred.
00010  *
00011  * The information in this software is subject to change without notice
00012  * and should not be construed as a commitment by Objective Systems, Inc.
00013  *
00014  * PROPRIETARY NOTICE
00015  *
00016  * This software is an unpublished work subject to a confidentiality agreement
00017  * and is protected by copyright and trade secret law.  Unauthorized copying,
00018  * redistribution or other use of this work is prohibited.
00019  *
00020  * The above notice of copyright on this source code product does not indicate
00021  * any actual or intended publication of such source code.
00022  *
00023  *****************************************************************************/
00028 #ifndef _RTXINTSTACK_
00029 #define _RTXINTSTACK_
00030 
00031 #include "rtxsrc/rtxContext.h"
00032 
00045 #define OSRTISTK_DEFAULT_CAPACITY 100
00046 
00052 typedef struct _OSRTIntStack {
00053    OSCTXT*      pctxt;      /* context pointer */
00054    OSINT32*     pdata;      /* stack data */
00055    size_t       index;      /* index to top element */
00056    size_t       size;       /* current size of the stack */
00057 } OSRTIntStack;
00058 
00059 #ifdef __cplusplus
00060 extern "C" {
00061 #endif
00062 
00079 EXTERNRT int rtxIntStackInit
00080 (OSCTXT* pctxt, OSRTIntStack* pstack, size_t capacity);
00081 
00091 EXTERNRT int rtxIntStackPush (OSRTIntStack* pstack, OSINT32 value);
00092 
00103 EXTERNRT int rtxIntStackPeek (OSRTIntStack* pstack, OSINT32* pvalue);
00104 
00115 EXTERNRT int rtxIntStackPop (OSRTIntStack* pstack, OSINT32* pvalue);
00116 
00122 #define rtxIntStackIsEmpty(stack) (OSBOOL)((stack).index == 0)
00123 
00127 #ifdef __cplusplus
00128 }
00129 #endif
00130 
00131 #endif