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- (void)addItem: (const void*)item
{
if (SIZE_MAX - count < 1)
@throw [OFOutOfRangeException newWithClass: isa];
data = [self resizeMemory: data
toNItems: count + 1
withSize: itemSize];
ofSize: itemSize];
memcpy(data + count * itemSize, item, itemSize);
count++;
}
- (void)addItem: (const void*)item
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fromCArray: (const void*)cArray
{
if (nItems > SIZE_MAX - count)
@throw [OFOutOfRangeException newWithClass: isa];
data = [self resizeMemory: data
toNItems: count + nItems
withSize: itemSize];
ofSize: itemSize];
memcpy(data + count * itemSize, cArray, nItems * itemSize);
count += nItems;
}
- (void)addNItems: (size_t)nItems
fromCArray: (const void*)cArray
atIndex: (size_t)index
{
if (nItems > SIZE_MAX - count)
@throw [OFOutOfRangeException newWithClass: isa];
data = [self resizeMemory: data
toNItems: count + nItems
withSize: itemSize];
ofSize: itemSize];
memmove(data + (index + nItems) * itemSize, data + index * itemSize,
(count - index) * itemSize);
memcpy(data + index * itemSize, cArray, nItems * itemSize);
count += nItems;
}
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@throw [OFOutOfRangeException newWithClass: isa];
count -= nItems;
@try {
data = [self resizeMemory: data
toNItems: count
withSize: itemSize];
ofSize: itemSize];
} @catch (OFOutOfMemoryException *e) {
/* We don't really care, as we only made it smaller */
[e release];
}
}
- (void)removeNItems: (size_t)nItems
atIndex: (size_t)index
{
if (nItems > count)
@throw [OFOutOfRangeException newWithClass: isa];
memmove(data + index * itemSize, data + (index + nItems) * itemSize,
(count - index - nItems) * itemSize);
count -= nItems;
@try {
data = [self resizeMemory: data
toNItems: count
withSize: itemSize];
ofSize: itemSize];
} @catch (OFOutOfMemoryException *e) {
/* We don't really care, as we only made it smaller */
[e release];
}
}
- (void)removeLastItem
{
count--;
@try {
data = [self resizeMemory: data
toNItems: count
withSize: itemSize];
ofSize: itemSize];
} @catch (OFOutOfMemoryException *e) {
/* We don't care, as we only made it smaller */
[e release];
}
}
- copy
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lastPageByte = of_pagesize - 1;
newSize = ((count + nItems) * itemSize + lastPageByte) & ~lastPageByte;
if (size != newSize)
data = [self resizeMemory: data
toNItems: newSize
withSize: itemSize];
ofSize: itemSize];
memmove(data + (index + nItems) * itemSize, data + index * itemSize,
(count - index) * itemSize);
memcpy(data + index * itemSize, cArray, nItems * itemSize);
count += nItems;
size = newSize;
|
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