Annotation of embedaddon/php/Zend/zend_ptr_stack.c, revision 1.1.1.2
1.1 misho 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:
1.1.1.2 ! misho 20: /* $Id$ */
1.1 misho 21:
22: #include "zend.h"
23: #include "zend_ptr_stack.h"
24: #ifdef HAVE_STDARG_H
25: # include <stdarg.h>
26: #endif
27:
28: ZEND_API void zend_ptr_stack_init_ex(zend_ptr_stack *stack, zend_bool persistent)
29: {
1.1.1.2 ! misho 30: stack->top_element = stack->elements = NULL;
! 31: stack->top = stack->max = 0;
1.1 misho 32: stack->persistent = persistent;
33: }
34:
35: ZEND_API void zend_ptr_stack_init(zend_ptr_stack *stack)
36: {
37: zend_ptr_stack_init_ex(stack, 0);
38: }
39:
40:
41: ZEND_API void zend_ptr_stack_n_push(zend_ptr_stack *stack, int count, ...)
42: {
43: va_list ptr;
44: void *elem;
45:
46: ZEND_PTR_STACK_RESIZE_IF_NEEDED(stack, count)
47:
48: va_start(ptr, count);
49: while (count>0) {
50: elem = va_arg(ptr, void *);
51: stack->top++;
52: *(stack->top_element++) = elem;
53: count--;
54: }
55: va_end(ptr);
56: }
57:
58:
59: ZEND_API void zend_ptr_stack_n_pop(zend_ptr_stack *stack, int count, ...)
60: {
61: va_list ptr;
62: void **elem;
63:
64: va_start(ptr, count);
65: while (count>0) {
66: elem = va_arg(ptr, void **);
67: *elem = *(--stack->top_element);
68: stack->top--;
69: count--;
70: }
71: va_end(ptr);
72: }
73:
74:
75:
76: ZEND_API void zend_ptr_stack_destroy(zend_ptr_stack *stack)
77: {
78: if (stack->elements) {
79: pefree(stack->elements, stack->persistent);
80: }
81: }
82:
83:
84: ZEND_API void zend_ptr_stack_apply(zend_ptr_stack *stack, void (*func)(void *))
85: {
86: int i = stack->top;
87:
88: while (--i >= 0) {
89: func(stack->elements[i]);
90: }
91: }
92:
93:
94: ZEND_API void zend_ptr_stack_clean(zend_ptr_stack *stack, void (*func)(void *), zend_bool free_elements)
95: {
96: zend_ptr_stack_apply(stack, func);
97: if (free_elements) {
98: int i = stack->top;
99:
100: while (--i >= 0) {
101: pefree(stack->elements[i], stack->persistent);
102: }
103: }
104: stack->top = 0;
105: stack->top_element = stack->elements;
106: }
107:
108:
109: ZEND_API int zend_ptr_stack_num_elements(zend_ptr_stack *stack)
110: {
111: return stack->top;
112: }
113:
114: /*
115: * Local variables:
116: * tab-width: 4
117: * c-basic-offset: 4
118: * indent-tabs-mode: t
119: * End:
120: */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>