/**
* Reallocate the specified block to the specified size.
* \param b The block to be reallocated
* \param n The new size
* \return True, if the operation was successful.
*/
bool reallocate(block &b, size_t n)
{
if (internal::reallocator<mallocator>::isHandledDefault(*this, b, n)) {
return true;
}
block reallocatedBlock(::realloc(b.ptr, n), n);
if (reallocatedBlock.ptr != nullptr) {
b = reallocatedBlock;
return true;
}
return false;
}
// On posix there is no _aligned_realloc so we try a normal realloc
// if the result is still aligned we are fine
// otherwise we have to do it by hand
bool aligned_reallocate(block &b, size_t n) noexcept
{
block reallocatedBlock(::realloc(b.ptr, n));
if (reallocatedBlock) {
if (static_cast<size_t>(b.ptr) % alignment != 0) {
auto newAlignedBlock = allocate(n);
if (!newAlignedBlock) {
return false;
}
internal::block_copy(b, newAlignedBlock);
}
else {
b = reallocatedBlock;
}
return true;
}
return false;
}