void
HDBNode::removeBlock(HDBHandle& hdl, HDBBlock& fblk, Int32 offset)
{
AutoPtrVec<unsigned char>
pbfr(new unsigned char[LMAX(sizeof(fblk), fblk.keyLength)]);
File file = hdl.getFile();
Int32 coffset = fblk.lastChild;
if (coffset > 0)
{
while (coffset > 0)
{
HDB::readBlock(*(reinterpret_cast<HDBBlock*>(pbfr.get())), file, coffset);
// Save current offset for call to removeBlock
Int32 toffset = coffset;
// Get pointer to previous sibling
coffset = (reinterpret_cast<HDBBlock*>(pbfr.get()))->prevSib;
// Recursive call to removeBlock. *pblk.get() will be modified.
removeBlock(hdl, *(reinterpret_cast<HDBBlock*>(pbfr.get())), toffset);
}
}
// Need to read the key for this block to update the index
if (file.read(pbfr.get(), fblk.keyLength, offset + sizeof(fblk))
!= size_t(fblk.keyLength))
{
OW_THROW_ERRNO_MSG(HDBException, "Failed to read node's key for removal");
}
// Remove this node's key from the index
hdl.removeIndexEntry(reinterpret_cast<const char*>(pbfr.get()));
// Add the block to the free list
hdl.getHDB()->addBlockToFreeList(file, fblk, offset);
}
key_reprint()
{
extern long pr_due;
extern long pr_qcr;
pr_qcr=1;
pbfr();
if((key_mode==0)&&(pr_due))
printf("\n%s%s",pr_bf,key_buff);
pr_due=0;
fflush(stdout);
}
