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void **memchunks;
size_t memchunks_size;
memchunks_size = __memchunks_size + 1;
if (SIZE_MAX - __memchunks_size == 0 ||
memchunks_size > SIZE_MAX / sizeof(void*))
@throw [OFOutOfRangeException newWithObject: self];
@throw [OFOutOfRangeException newWithClass: [self class]];
if ((memchunks = realloc(__memchunks,
memchunks_size * sizeof(void*))) == NULL)
@throw [OFNoMemException newWithObject: self
andSize: memchunks_size];
@throw [OFNoMemException newWithClass: [self class]
andSize: memchunks_size];
__memchunks = memchunks;
__memchunks[__memchunks_size] = ptr;
__memchunks_size = memchunks_size;
return ptr;
}
- (void*)getMemWithSize: (size_t)size
{
void *ptr, **memchunks;
size_t memchunks_size;
if (size == 0)
return NULL;
memchunks_size = __memchunks_size + 1;
if (SIZE_MAX - __memchunks_size == 0 ||
memchunks_size > SIZE_MAX / sizeof(void*))
@throw [OFOutOfRangeException newWithObject: self];
@throw [OFOutOfRangeException newWithClass: [self class]];
if ((memchunks = realloc(__memchunks,
memchunks_size * sizeof(void*))) == NULL)
@throw [OFNoMemException newWithObject: self
andSize: memchunks_size];
if ((ptr = malloc(size)) == NULL) {
free(memchunks);
@throw [OFNoMemException newWithObject: self
andSize: size];
memchunks_size * sizeof(void*))) == NULL) {
free(ptr);
@throw [OFNoMemException newWithClass: [self class]
andSize: memchunks_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)
@throw [OFOutOfRangeException newWithObject: self];
@throw [OFOutOfRangeException newWithClass: [self class]];
return [self getMemWithSize: nitems * size];
}
- (void*)resizeMem: (void*)ptr
toSize: (size_t)size
{
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}
iter = __memchunks + __memchunks_size;
while (iter-- > __memchunks) {
if (OF_UNLIKELY(*iter == ptr)) {
if (OF_UNLIKELY((ptr = realloc(ptr, size)) == NULL))
@throw [OFNoMemException newWithObject: self
andSize: size];
@throw [OFNoMemException
newWithClass: [self class]
andSize: size];
*iter = ptr;
return ptr;
}
}
@throw [OFMemNotPartOfObjException newWithObject: self
andPointer: ptr];
@throw [OFMemNotPartOfObjException newWithClass: [self class]
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)
@throw [OFOutOfRangeException newWithObject: self];
@throw [OFOutOfRangeException newWithClass: [self class]];
memsize = nitems * size;
return [self resizeMem: ptr
toSize: memsize];
}
- freeMem: (void*)ptr;
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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*)))
@throw [OFOutOfRangeException
newWithObject: self];
newWithClass: [self class]];
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
newWithObject: self
andSize: memchunks_size];
newWithClass: [self class]
andSize: memchunks_size];
free(ptr);
__memchunks = memchunks;
__memchunks[i] = last;
__memchunks_size = memchunks_size;
return self;
}
}
@throw [OFMemNotPartOfObjException newWithObject: self
andPointer: ptr];
@throw [OFMemNotPartOfObjException newWithClass: [self class]
andPointer: ptr];
return self; /* never reached, but makes gcc happy */
}
@end
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