static fs_rid insert_bnode(xmlctxt *ctxt)
{
fs_rid bnode = atoll(ctxt->resource);
/* TODO catch other people's non-numeric bNode IDs */
while (ctxt->bnodemax < bnode) {
fs_rid bnodenext;
fsp_bnode_alloc(ctxt->link, 1000000, &bnodenext, &(ctxt->bnodemax));
printf("(allocated bNode %lld to %lld)\n", bnodenext, ctxt->bnodemax);
}
return bnode | 0x8000000000000000LL;
}
static fs_rid fs_bnode_id(fsp_link *link, const char *bnode)
{
GHashTable *bnids = fs_hash_bnids();
fs_rid bn = (fs_rid) (unsigned long) g_hash_table_lookup(bnids, bnode);
if (!bn) {
if (bnodenext > bnodemax) {
fsp_bnode_alloc(link, 1000000, &bnodenext, &bnodemax);
if (sizeof(gpointer) < sizeof(fs_rid) && bnodemax >= 0x100000000LL) {
fs_error(LOG_CRIT, "bNode RID %lld exceeds safe size on 32-bit arch", bnodemax);
abort();
}
}
bn = bnodenext++;
g_hash_table_insert(bnids, g_strdup(bnode), (gpointer) (unsigned long) bn);
}
union {
fs_rid rid;
char bytes[8];
} node;
/* bNode IDs up to 2 ** 56 or only */
node.rid = bn;
node.bytes[7] = (node.bytes[0] & 0x7c) >> 2;
node.bytes[1] ^= node.bytes[6];
node.bytes[6] ^= node.bytes[1];
node.bytes[1] ^= node.bytes[6];
node.bytes[2] ^= node.bytes[5];
node.bytes[5] ^= node.bytes[2];
node.bytes[2] ^= node.bytes[5];
node.bytes[3] ^= node.bytes[4];
node.bytes[4] ^= node.bytes[3];
node.bytes[3] ^= node.bytes[4];
return node.rid | 0x8000000000000000LL;
}
