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//opt/cloudlinux/alt-php53/root/usr/include/php/Zend/zend_ptr_stack.h

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/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        | 
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@zend.com>                                |
   |          Zeev Suraski <zeev@zend.com>                                |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifndef ZEND_PTR_STACK_H
#define ZEND_PTR_STACK_H

typedef struct _zend_ptr_stack {
	int top, max;
	void **elements;
	void **top_element;
	zend_bool persistent;
} zend_ptr_stack;

#define PTR_STACK_BLOCK_SIZE 64

BEGIN_EXTERN_C()
ZEND_API void zend_ptr_stack_init(zend_ptr_stack *stack);
ZEND_API void zend_ptr_stack_init_ex(zend_ptr_stack *stack, zend_bool persistent);
ZEND_API void zend_ptr_stack_n_push(zend_ptr_stack *stack, int count, ...);
ZEND_API void zend_ptr_stack_n_pop(zend_ptr_stack *stack, int count, ...);
ZEND_API void zend_ptr_stack_destroy(zend_ptr_stack *stack);
ZEND_API void zend_ptr_stack_apply(zend_ptr_stack *stack, void (*func)(void *));
ZEND_API void zend_ptr_stack_clean(zend_ptr_stack *stack, void (*func)(void *), zend_bool free_elements);
ZEND_API int zend_ptr_stack_num_elements(zend_ptr_stack *stack);
END_EXTERN_C()

#define ZEND_PTR_STACK_RESIZE_IF_NEEDED(stack, count)		\
	if (stack->top+count > stack->max) {					\
		/* we need to allocate more memory */				\
		stack->max *= 2;									\
		stack->max += count;								\
		stack->elements = (void **) perealloc(stack->elements, (sizeof(void *) * (stack->max)), stack->persistent);	\
		stack->top_element = stack->elements+stack->top;	\
	}

/*	Not doing this with a macro because of the loop unrolling in the element assignment.
	Just using a macro for 3 in the body for readability sake. */
static inline void zend_ptr_stack_3_push(zend_ptr_stack *stack, void *a, void *b, void *c)
{
#define ZEND_PTR_STACK_NUM_ARGS 3

ZEND_PTR_STACK_RESIZE_IF_NEEDED(stack, ZEND_PTR_STACK_NUM_ARGS)

stack->top += ZEND_PTR_STACK_NUM_ARGS;
	*(stack->top_element++) = a;
	*(stack->top_element++) = b;
	*(stack->top_element++) = c;

#undef ZEND_PTR_STACK_NUM_ARGS
}

static inline void zend_ptr_stack_2_push(zend_ptr_stack *stack, void *a, void *b)
{
#define ZEND_PTR_STACK_NUM_ARGS 2

ZEND_PTR_STACK_RESIZE_IF_NEEDED(stack, ZEND_PTR_STACK_NUM_ARGS)

stack->top += ZEND_PTR_STACK_NUM_ARGS;
	*(stack->top_element++) = a;
	*(stack->top_element++) = b;

#undef ZEND_PTR_STACK_NUM_ARGS
}

static inline void zend_ptr_stack_3_pop(zend_ptr_stack *stack, void **a, void **b, void **c)
{
	*a = *(--stack->top_element);
	*b = *(--stack->top_element);
	*c = *(--stack->top_element);
	stack->top -= 3;
}

static inline void zend_ptr_stack_2_pop(zend_ptr_stack *stack, void **a, void **b)
{
	*a = *(--stack->top_element);
	*b = *(--stack->top_element);
	stack->top -= 2;
}

static inline void zend_ptr_stack_push(zend_ptr_stack *stack, void *ptr)
{
	ZEND_PTR_STACK_RESIZE_IF_NEEDED(stack, 1)

stack->top++;
	*(stack->top_element++) = ptr;
}

static inline void *zend_ptr_stack_pop(zend_ptr_stack *stack)
{
	stack->top--;
	return *(--stack->top_element);
}

#endif /* ZEND_PTR_STACK_H */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 */

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acconfig.h	3.34 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend.h	24.40 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_alloc.h	12.17 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_API.h	38.89 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_build.h	1.59 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_builtin_functions.h	1.58 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_closures.h	1.75 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_compile.h	29.06 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_config.h	107 B	lrw-r--r--	2026-03-09 14:03:54	Edit Download recursive recursive
zend_config.nw.h	2.44 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_config.w32.h	3.00 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_constants.h	4.90 KB	lrw-r--r--	2026-03-09 14:03:52	Edit Download recursive recursive
zend_dynamic_array.h	1.86 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_errors.h	2.10 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_exceptions.h	2.95 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_execute.h	12.86 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_extensions.h	4.50 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_fast_cache.h	4.02 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_float.h	15.29 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_gc.h	7.23 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_globals.h	7.12 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_globals_macros.h	3.15 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_hash.h	16.96 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_highlight.h	2.42 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_indent.h	1.44 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_ini.h	9.81 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_ini_parser.h	2.60 KB	lrw-r--r--	2026-03-09 14:03:54	Edit Download recursive recursive
zend_ini_scanner.h	1.91 KB	lrw-r--r--	2026-03-09 14:03:54	Edit Download recursive recursive
zend_ini_scanner_defs.h	254 B	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_interfaces.h	3.98 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_istdiostream.h	1.61 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_iterators.h	3.61 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_language_parser.h	7.56 KB	lrw-r--r--	2026-03-09 14:03:54	Edit Download recursive recursive
zend_language_scanner.h	2.38 KB	lrw-r--r--	2026-03-09 14:03:54	Edit Download recursive recursive
zend_language_scanner_defs.h	326 B	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_list.h	5.04 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_llist.h	3.88 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_modules.h	4.97 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_multibyte.h	3.72 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_multiply.h	2.45 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_objects.h	2.16 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_objects_API.h	4.25 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_object_handlers.h	8.42 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_operators.h	15.39 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_ptr_stack.h	3.99 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_qsort.h	1.43 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_stack.h	2.33 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_static_allocator.h	1.81 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_stream.h	2.88 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_strtod.h	1.74 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_ts_hash.h	6.86 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_types.h	2.26 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_variables.h	3.94 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_vm.h	1.36 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_vm_def.h	132.41 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_vm_execute.h	1.02 MB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive
zend_vm_opcodes.h	7.73 KB	lrw-r--r--	2026-03-09 14:03:53	Edit Download recursive recursive