Overview
Context
Changes
Modified src/OFObject.h
from [1d4691aa4c]
to [20796294ad].
︙ | | |
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
+
-
+
+
|
struct __ofobject_allocated_mem {
void *ptr;
struct __ofobject_allocated_mem *prev;
struct __ofobject_allocated_mem *next;
};
@interface OFObject: Object
{
+ alloc;
struct __ofobject_allocated_mem *__mem_pool;
}
- init;
- (void*)getMemWithSize: (size_t)size;
- (void*)resizeMem: (void*)ptr
toSize: (size_t)size;
- (void)freeMem: (void*)ptr;
- free;
@end
|
Modified src/OFObject.m
from [5509180fd4]
to [88dde3fe42].
︙ | | |
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
-
+
|
#ifdef HAVE_OBJC_RUNTIME_H
#import <objc/runtime.h>
#endif
#import "OFObject.h"
#import "OFExceptions.h"
#ifdef HAVE_OBJC_RUNTIME_H
#define MEM_POOL (*(struct __ofobject_allocated_mem**)((char*)self + \
class_getInstanceSize([self class])))
#else
#define MEM_POOL (*(struct __ofobject_allocated_mem**)((char*)self + \
([self class])->instance_size))
#endif
@implementation OFObject
+ alloc
{
Class class = [self class];
id inst = nil;
#ifdef HAVE_OBJC_RUNTIME_H
if ((inst = (id)malloc(class_getInstanceSize(class) +
sizeof(struct __ofobject_allocated_mem*))) != nil) {
memset(inst, 0, class_getInstanceSize(class) +
sizeof(struct __ofobject_allocated_mem*));
inst->isa = class;
}
#else
if ((inst = (id)malloc(class->instance_size) +
sizeof(struct __ofobject_allocated_mem*)) != nil) {
memset(inst, 0, class->instance_size +
sizeof(struct __ofobject_allocated_mem*));
inst->class_pointer = class;
}
#endif
return inst;
}
- init
{
if ((self = [super init]) != nil)
MEM_POOL = NULL;
__mem_pool = NULL;
return self;
}
- free
{
struct __ofobject_allocated_mem *iter, *iter2;
for (iter = MEM_POOL; iter != NULL; iter = iter2) {
for (iter = __mem_pool; iter != NULL; iter = iter2) {
iter2 = iter->prev;
free(iter->ptr);
free(iter);
}
free(self);
|
︙ | | |
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
-
+
-
-
+
+
-
+
-
+
|
free(iter);
[[OFNoMemException newWithObject: self
andSize: size] raise];
return NULL;
}
iter->next = NULL;
iter->prev = MEM_POOL;
iter->prev = __mem_pool;
if (MEM_POOL != NULL)
MEM_POOL->next = iter;
if (__mem_pool != NULL)
__mem_pool->next = iter;
MEM_POOL = iter;
__mem_pool = iter;
return iter->ptr;
}
- (void*)resizeMem: (void*)ptr
toSize: (size_t)size
{
struct __ofobject_allocated_mem *iter;
for (iter = MEM_POOL; iter != NULL; iter = iter->prev) {
for (iter = __mem_pool; iter != NULL; iter = iter->prev) {
if (iter->ptr == ptr) {
if ((ptr = realloc(iter->ptr, size)) == NULL) {
[[OFNoMemException newWithObject: self
andSize: size] raise];
return NULL;
}
|
︙ | | |
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
-
+
-
-
+
+
|
return NULL;
}
- (void)freeMem: (void*)ptr;
{
struct __ofobject_allocated_mem *iter;
for (iter = MEM_POOL; iter != NULL; iter = iter->prev) {
for (iter = __mem_pool; iter != NULL; iter = iter->prev) {
if (iter->ptr == ptr) {
if (iter->prev != NULL)
iter->prev->next = iter->next;
if (iter->next != NULL)
iter->next->prev = iter->prev;
if (MEM_POOL == iter)
MEM_POOL = NULL;
if (__mem_pool == iter)
__mem_pool = NULL;
free(iter);
free(ptr);
return;
}
}
[[OFMemNotPartOfObjException newWithObject: self
andPointer: ptr] raise];
}
@end
|