2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these libraries and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: stack.h /main/3 1995/11/01 17:39:49 rswiston $ */
24 /***************************************************************
26 * AT&T - PROPRIETARY *
28 * THIS IS PROPRIETARY SOURCE CODE LICENSED BY *
31 * Copyright (c) 1995 AT&T Corp. *
32 * All Rights Reserved *
34 * This software is licensed by AT&T Corp. *
35 * under the terms and conditions of the license in *
36 * http://www.research.att.com/orgs/ssr/book/reuse *
38 * This software was created by the *
39 * Software Engineering Research Department *
40 * AT&T Bell Laboratories *
42 * For further information contact *
43 * gsf@research.att.com *
45 ***************************************************************/
47 /* : : generated by proto : : */
51 * AT&T Bell Laboratories
53 * homogenous stack routine definitions
57 #if !defined(__PROTO__)
58 #if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
59 #if defined(__cplusplus)
60 #define __MANGLE__ "C"
65 #define __PROTO__(x) x
67 #define __PARAM__(n,o) n
68 #if !defined(__STDC__) && !defined(__cplusplus)
69 #if !defined(c_plusplus)
80 #define __PROTO__(x) ()
81 #define __OTORP__(x) x
82 #define __PARAM__(n,o) o
90 #if defined(__cplusplus) || defined(c_plusplus)
91 #define __VARARG__ ...
95 #if defined(__STDARG__)
96 #define __VA_START__(p,a) va_start(p,a)
98 #define __VA_START__(p,a) va_start(p)
104 typedef struct stacktable* STACK; /* stack pointer */
105 typedef struct stackposition STACKPOS; /* stack position */
107 struct stackblock /* stack block cell */
109 __V_** stack; /* actual stack */
110 struct stackblock* prev; /* previous block in list */
111 struct stackblock* next; /* next block in list */
114 struct stackposition /* stack position */
116 struct stackblock* block; /* current block pointer */
117 int index; /* index within current block */
120 struct stacktable /* stack information */
122 struct stackblock* blocks; /* stack table blocks */
123 __V_* error; /* error return value */
124 int size; /* size of each block */
125 STACKPOS position; /* current stack position */
129 * map old names to new
132 #define mkstack stackalloc
133 #define rmstack stackfree
134 #define clrstack stackclear
135 #define getstack stackget
136 #define pushstack stackpush
137 #define popstack stackpop
138 #define posstack stacktell
140 extern __MANGLE__ STACK stackalloc __PROTO__((int, __V_*));
141 extern __MANGLE__ void stackfree __PROTO__((STACK));
142 extern __MANGLE__ void stackclear __PROTO__((STACK));
143 extern __MANGLE__ __V_* stackget __PROTO__((STACK));
144 extern __MANGLE__ int stackpush __PROTO__((STACK, __V_*));
145 extern __MANGLE__ int stackpop __PROTO__((STACK));
146 extern __MANGLE__ void stacktell __PROTO__((STACK, int, STACKPOS*));