17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#import <objc/objc-api.h>
#ifdef HAVE_OBJC_RUNTIME_H
#import <objc/runtime.h>
#endif
#import "OFObject.h"
#import "OFExceptions.h"
@implementation OFObject
- init
{
if ((self = [super init]) != nil) {
__memchunks = NULL;
__memchunks_size = 0;
|
>
|
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
#import <objc/objc-api.h>
#ifdef HAVE_OBJC_RUNTIME_H
#import <objc/runtime.h>
#endif
#import "OFObject.h"
#import "OFExceptions.h"
#import "OFMacros.h"
@implementation OFObject
- init
{
if ((self = [super init]) != nil) {
__memchunks = NULL;
__memchunks_size = 0;
|
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
[self freeMem: ptr];
return NULL;
}
iter = __memchunks + __memchunks_size;
while (iter-- > __memchunks) {
if (*iter == ptr) {
if ((ptr = realloc(ptr, size)) == NULL)
[[OFNoMemException newWithObject: self
andSize: size] raise];
*iter = ptr;
return ptr;
}
}
|
|
|
|
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
[self freeMem: ptr];
return NULL;
}
iter = __memchunks + __memchunks_size;
while (iter-- > __memchunks) {
if (OF_UNLIKELY(*iter == ptr)) {
if (OF_UNLIKELY((ptr = realloc(ptr, size)) == NULL))
[[OFNoMemException newWithObject: self
andSize: size] raise];
*iter = ptr;
return ptr;
}
}
|
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
iter = __memchunks + __memchunks_size;
i = __memchunks_size;
while (iter-- > __memchunks) {
i--;
if (*iter == ptr) {
memchunks_size = __memchunks_size - 1;
last = __memchunks[memchunks_size];
if (__memchunks_size == 0 ||
memchunks_size > SIZE_MAX / sizeof(void*))
[[OFOutOfRangeException newWithObject: self]
raise];
if (memchunks_size == 0) {
free(ptr);
free(__memchunks);
__memchunks = NULL;
__memchunks_size = 0;
return self;
}
if ((memchunks = realloc(__memchunks,
memchunks_size * sizeof(void*))) == NULL)
[[OFNoMemException newWithObject: self
andSize:
memchunks_size]
raise];
free(ptr);
__memchunks = memchunks;
__memchunks[i] = last;
__memchunks_size = memchunks_size;
return self;
}
}
[[OFMemNotPartOfObjException newWithObject: self
andPointer: ptr] raise];
return self /* never reached, but makes gcc happy */;
}
@end
|
|
|
|
|
|
|
|
|
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
iter = __memchunks + __memchunks_size;
i = __memchunks_size;
while (iter-- > __memchunks) {
i--;
if (OF_UNLIKELY(*iter == ptr)) {
memchunks_size = __memchunks_size - 1;
last = __memchunks[memchunks_size];
if (OF_UNLIKELY(__memchunks_size == 0 ||
memchunks_size > SIZE_MAX / sizeof(void*)))
[[OFOutOfRangeException newWithObject: self]
raise];
if (OF_UNLIKELY(memchunks_size == 0)) {
free(ptr);
free(__memchunks);
__memchunks = NULL;
__memchunks_size = 0;
return self;
}
if (OF_UNLIKELY((memchunks = realloc(__memchunks,
memchunks_size * sizeof(void*))) == NULL))
[[OFNoMemException newWithObject: self
andSize:
memchunks_size]
raise];
free(ptr);
__memchunks = memchunks;
__memchunks[i] = last;
__memchunks_size = memchunks_size;
return self;
}
}
[[OFMemNotPartOfObjException newWithObject: self
andPointer: ptr] raise];
return self; /* never reached, but makes gcc happy */
}
@end
|