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573b4602 » andigutmans
1999-04-07 Zend Library
1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
4e198252 » felipensp
2012-01-01 - Year++
5 | Copyright (c) 1998-2012 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 {
bc1f1d25 » Dmitry Stogov
2010-07-09 zend_ptr_stack allocation is delayed before the actual usage
30 stack->top_element = stack->elements = NULL;
31 stack->top = stack->max = 0;
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
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);
573b4602 » andigutmans
1999-04-07 Zend Library
38 }
39
40
7f27821c » zsuraski
1999-12-25 inline functions cannot accept varargs
41 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.
42 {
43 va_list ptr;
44 void *elem;
45
d7c839d5 » andigutmans
2004-07-30 - More ptr_stack optimizations and cleanups
46 ZEND_PTR_STACK_RESIZE_IF_NEEDED(stack, count)
47
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
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
7f27821c » zsuraski
1999-12-25 inline functions cannot accept varargs
59 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.
60 {
61 va_list ptr;
62 void **elem;
63
64 va_start(ptr, count);
65 while (count>0) {
66 elem = va_arg(ptr, void **);
447eb3b0 » andigutmans
1999-07-30 - Damn that's more like it.
67 *elem = *(--stack->top_element);
e9e7bc6d » andigutmans
1999-07-30 - Add ptr_stack_n_{push,pop} in order to speed up function calls a bit.
68 stack->top--;
69 count--;
70 }
71 va_end(ptr);
72 }
573b4602 » andigutmans
1999-04-07 Zend Library
73
74
75
76 ZEND_API void zend_ptr_stack_destroy(zend_ptr_stack *stack)
77 {
78 if (stack->elements) {
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
79 pefree(stack->elements, stack->persistent);
573b4602 » andigutmans
1999-04-07 Zend Library
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
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
94 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
95 {
96 zend_ptr_stack_apply(stack, func);
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
97 if (free_elements) {
98 int i = stack->top;
99
100 while (--i >= 0) {
e6dff0ca » johannes
2007-11-09 - MFH: Allow persistent zent_ptr_stacks (patch by Andrey Hristov)
101 pefree(stack->elements[i], stack->persistent);
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
102 }
103 }
573b4602 » andigutmans
1999-04-07 Zend Library
104 stack->top = 0;
3fcc6511 » andigutmans
1999-04-13 * Optimize argument_stack top lookup
105 stack->top_element = stack->elements;
573b4602 » andigutmans
1999-04-07 Zend Library
106 }
39a7f4c3 » zsuraski
1999-04-12 This patch is a go. Not fully optimized yet, but working properly.
107
108
34c2b0a0 » zsuraski
2000-06-17 - Add restore_error_handler()
109 ZEND_API int zend_ptr_stack_num_elements(zend_ptr_stack *stack)
110 {
111 return stack->top;
112 }
333406bd » foobar
2003-02-01 - Added some missing CVS $Id$ tags, headers and footers.
113
114 /*
115 * Local variables:
116 * tab-width: 4
117 * c-basic-offset: 4
118 * indent-tabs-mode: t
119 * End:
120 */
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