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    1: /*
    2:    +----------------------------------------------------------------------+
    3:    | Zend Engine                                                          |
    4:    +----------------------------------------------------------------------+
    5:    | Copyright (c) 1998-2012 Zend Technologies Ltd. (http://www.zend.com) |
    6:    +----------------------------------------------------------------------+
    7:    | This source file is subject to version 2.00 of the Zend license,     |
    8:    | that is bundled with this package in the file LICENSE, and is        | 
    9:    | available through the world-wide-web at the following url:           |
   10:    | http://www.zend.com/license/2_00.txt.                                |
   11:    | If you did not receive a copy of the Zend license and are unable to  |
   12:    | obtain it through the world-wide-web, please send a note to          |
   13:    | license@zend.com so we can mail you a copy immediately.              |
   14:    +----------------------------------------------------------------------+
   15:    | Authors: Andi Gutmans <andi@zend.com>                                |
   16:    |          Zeev Suraski <zeev@zend.com>                                |
   17:    +----------------------------------------------------------------------+
   18: */
   19: 
   20: /* $Id: zend_stack.h,v 1.1.1.2 2012/05/29 12:34:36 misho Exp $ */
   21: 
   22: #ifndef ZEND_STACK_H
   23: #define ZEND_STACK_H
   24: 
   25: typedef struct _zend_stack {
   26: 	int top, max;
   27: 	void **elements;
   28: } zend_stack;
   29: 
   30: 
   31: #define STACK_BLOCK_SIZE 64
   32: 
   33: BEGIN_EXTERN_C()
   34: ZEND_API int zend_stack_init(zend_stack *stack);
   35: ZEND_API int zend_stack_push(zend_stack *stack, const void *element, int size);
   36: ZEND_API int zend_stack_top(const zend_stack *stack, void **element);
   37: ZEND_API int zend_stack_del_top(zend_stack *stack);
   38: ZEND_API int zend_stack_int_top(const zend_stack *stack);
   39: ZEND_API int zend_stack_is_empty(const zend_stack *stack);
   40: ZEND_API int zend_stack_destroy(zend_stack *stack);
   41: ZEND_API void **zend_stack_base(const zend_stack *stack);
   42: ZEND_API int zend_stack_count(const zend_stack *stack);
   43: ZEND_API void zend_stack_apply(zend_stack *stack, int type, int (*apply_function)(void *element));
   44: ZEND_API void zend_stack_apply_with_argument(zend_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg);
   45: END_EXTERN_C()
   46: 
   47: #define ZEND_STACK_APPLY_TOPDOWN	1
   48: #define ZEND_STACK_APPLY_BOTTOMUP	2
   49: 
   50: #endif /* ZEND_STACK_H */
   51: 
   52: /*
   53:  * Local variables:
   54:  * tab-width: 4
   55:  * c-basic-offset: 4
   56:  * indent-tabs-mode: t
   57:  * End:
   58:  */