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573b4602 » andigutmans
1999-04-07 Zend Library
1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
d2281d1d » Sebastian Bergmann
2010-01-05 sed -i "s#1998-2009#1998-2010#g" **/*.c **/*.h **/*.php
5 | Copyright (c) 1998-2010 Zend Technologies Ltd. (http://www.zend.com) |
573b4602 » andigutmans
1999-04-07 Zend Library
6 +----------------------------------------------------------------------+
d863d52a » Sebastian Bergmann
2001-12-11 Update headers.
7 | This source file is subject to version 2.00 of the Zend license, |
b5b11177 » zsuraski
1999-07-16 License update
8 | that is bundled with this package in the file LICENSE, and is |
f68c7ff2 » James Cox
2003-06-10 updating license information in the headers.
9 | available through the world-wide-web at the following url: |
d863d52a » Sebastian Bergmann
2001-12-11 Update headers.
10 | http://www.zend.com/license/2_00.txt. |
b5b11177 » zsuraski
1999-07-16 License update
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. |
573b4602 » andigutmans
1999-04-07 Zend Library
14 +----------------------------------------------------------------------+
15 | Authors: Andi Gutmans <andi@zend.com> |
16 | Zeev Suraski <zeev@zend.com> |
17 +----------------------------------------------------------------------+
18 */
19
333406bd » foobar
2003-02-01 - Added some missing CVS $Id$ tags, headers and footers.
20 /* $Id$ */
b5b11177 » zsuraski
1999-07-16 License update
21
573b4602 » andigutmans
1999-04-07 Zend Library
22 #include "zend.h"
23 #include "zend_ptr_stack.h"
009025e0 » Stig S. Bakken
1999-09-06 * header file cleanup
24 #ifdef HAVE_STDARG_H
25 # include <stdarg.h>
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
26 #endif
573b4602 » andigutmans
1999-04-07 Zend Library
27
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
28 ZEND_API void zend_ptr_stack_init_ex(zend_ptr_stack *stack, zend_bool persistent)
573b4602 » andigutmans
1999-04-07 Zend Library
29 {
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
30 stack->top_element = stack->elements = (void **) pemalloc(sizeof(void *)*PTR_STACK_BLOCK_SIZE, persistent);
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
31 stack->max = PTR_STACK_BLOCK_SIZE;
573b4602 » andigutmans
1999-04-07 Zend Library
32 stack->top = 0;
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
33 stack->persistent = persistent;
34 }
35
36 ZEND_API void zend_ptr_stack_init(zend_ptr_stack *stack)
37 {
38 zend_ptr_stack_init_ex(stack, 0);
573b4602 » andigutmans
1999-04-07 Zend Library
39 }
40
41
7f27821c » zsuraski
1999-12-25 inline functions cannot accept varargs
42 ZEND_API void zend_ptr_stack_n_push(zend_ptr_stack *stack, int count, ...)
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
43 {
44 va_list ptr;
45 void *elem;
46
d7c839d5 » andigutmans
2004-07-30 - More ptr_stack optimizations and cleanups
47 ZEND_PTR_STACK_RESIZE_IF_NEEDED(stack, count)
48
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
49 va_start(ptr, count);
50 while (count>0) {
51 elem = va_arg(ptr, void *);
52 stack->top++;
53 *(stack->top_element++) = elem;
54 count--;
55 }
56 va_end(ptr);
57 }
58
59
7f27821c » zsuraski
1999-12-25 inline functions cannot accept varargs
60 ZEND_API void zend_ptr_stack_n_pop(zend_ptr_stack *stack, int count, ...)
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
61 {
62 va_list ptr;
63 void **elem;
64
65 va_start(ptr, count);
66 while (count>0) {
67 elem = va_arg(ptr, void **);
447eb3b0 » andigutmans
1999-07-30 - Damn that's more like it.
68 *elem = *(--stack->top_element);
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
69 stack->top--;
70 count--;
71 }
72 va_end(ptr);
73 }
573b4602 » andigutmans
1999-04-07 Zend Library
74
75
76
77 ZEND_API void zend_ptr_stack_destroy(zend_ptr_stack *stack)
78 {
79 if (stack->elements) {
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
80 pefree(stack->elements, stack->persistent);
573b4602 » andigutmans
1999-04-07 Zend Library
81 }
82 }
83
84
85 ZEND_API void zend_ptr_stack_apply(zend_ptr_stack *stack, void (*func)(void *))
86 {
87 int i = stack->top;
88
89 while (--i >= 0) {
90 func(stack->elements[i]);
91 }
92 }
93
94
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
95 ZEND_API void zend_ptr_stack_clean(zend_ptr_stack *stack, void (*func)(void *), zend_bool free_elements)
573b4602 » andigutmans
1999-04-07 Zend Library
96 {
97 zend_ptr_stack_apply(stack, func);
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
98 if (free_elements) {
99 int i = stack->top;
100
101 while (--i >= 0) {
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
102 pefree(stack->elements[i], stack->persistent);
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
103 }
104 }
573b4602 » andigutmans
1999-04-07 Zend Library
105 stack->top = 0;
3fcc6511 » andigutmans
1999-04-13 * Optimize argument_stack top lookup
106 stack->top_element = stack->elements;
573b4602 » andigutmans
1999-04-07 Zend Library
107 }
39a7f4c3 » zsuraski
1999-04-12 This patch is a go. Not fully optimized yet, but working properly.
108
109
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
110 ZEND_API int zend_ptr_stack_num_elements(zend_ptr_stack *stack)
111 {
112 return stack->top;
113 }
333406bd » foobar
2003-02-01 - Added some missing CVS $Id$ tags, headers and footers.
114
115 /*
116 * Local variables:
117 * tab-width: 4
118 * c-basic-offset: 4
119 * indent-tabs-mode: t
120 * End:
121 */
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