56
57
58
59
60
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
91
92
93
94
95
96
97
|
56
57
58
59
60
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
91
92
93
94
95
96
97
|
-
+
-
-
+
+
-
-
+
+
-
+
|
if (size == 0)
return NULL;
memchunks_size = __memchunks_size + 1;
if (SIZE_MAX - __memchunks_size == 0 ||
memchunks_size > SIZE_MAX / sizeof(void*))
[[OFOutOfRangeException newWithObject: self] raise];
@throw [OFOutOfRangeException newWithObject: self];
if ((memchunks = realloc(__memchunks,
memchunks_size * sizeof(void*))) == NULL)
[[OFNoMemException newWithObject: self
andSize: memchunks_size] raise];
@throw [OFNoMemException newWithObject: self
andSize: memchunks_size];
if ((ptr = malloc(size)) == NULL) {
free(memchunks);
[[OFNoMemException newWithObject: self
andSize: size] raise];
@throw [OFNoMemException newWithObject: self
andSize: size];
}
__memchunks = memchunks;
__memchunks[__memchunks_size] = ptr;
__memchunks_size = memchunks_size;
return ptr;
}
- (void*)getMemForNItems: (size_t)nitems
ofSize: (size_t)size
{
if (nitems == 0 || size == 0)
return NULL;
if (nitems > SIZE_MAX / size)
[[OFOutOfRangeException newWithObject: self] raise];
@throw [OFOutOfRangeException newWithObject: self];
return [self getMemWithSize: nitems * size];
}
- (void*)resizeMem: (void*)ptr
toSize: (size_t)size
{
|
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
-
-
+
+
-
-
+
+
-
+
|
}
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];
@throw [OFNoMemException newWithObject: self
andSize: size];
*iter = ptr;
return ptr;
}
}
[[OFMemNotPartOfObjException newWithObject: self
andPointer: ptr] raise];
@throw [OFMemNotPartOfObjException newWithObject: self
andPointer: ptr];
return NULL; /* never reached, but makes gcc happy */
}
- (void*)resizeMem: (void*)ptr
toNItems: (size_t)nitems
ofSize: (size_t)size
{
size_t memsize;
if (ptr == NULL)
return [self getMemForNItems: nitems
ofSize: size];
if (nitems == 0 || size == 0) {
[self freeMem: ptr];
return NULL;
}
if (nitems > SIZE_MAX / size)
[[OFOutOfRangeException newWithObject: self] raise];
@throw [OFOutOfRangeException newWithObject: self];
memsize = nitems * size;
return [self resizeMem: ptr
toSize: memsize];
}
- freeMem: (void*)ptr;
|
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
|
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
|
-
-
+
+
+
-
-
+
+
-
-
-
-
+
+
|
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];
@throw [OFOutOfRangeException
newWithObject: self];
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))
@throw [OFNoMemException
[[OFNoMemException newWithObject: self
andSize:
newWithObject: self
andSize: memchunks_size];
memchunks_size]
raise];
[[OFMemNotPartOfObjException newWithObject: self
andPointer: ptr] raise];
@throw [OFMemNotPartOfObjException newWithObject: self
andPointer: ptr];
return self; /* never reached, but makes gcc happy */
}
@end
|