/*
* NAME: node->index()
* DESCRIPTION: create an index record from a key and node pointer
*/
void n_index(btree *bt, unsigned char *key, unsigned long nnum,
unsigned char *record, int *reclen)
{
if (bt == &bt->f.vol->cat)
{
/* force the key length to be 0x25 */
HFS_RECKEYLEN(record) = 0x25;
memset(record + 1, 0, 0x25);
memcpy(record + 1, key + 1, HFS_RECKEYLEN(key));
}
else
memcpy(record, key, HFS_RECKEYSKIP(key));
d_putl(HFS_RECDATA(record), nnum);
if (reclen)
*reclen = HFS_RECKEYSKIP(record) + 4;
}
/*
* NAME: node->index()
* DESCRIPTION: create an index record from a key and node pointer
*/
void n_index(const node *np, byte *record, unsigned int *reclen)
{
const byte *key = HFS_NODEREC(*np, 0);
if (np->bt == &np->bt->f.vol->cat)
{
/* force the key length to be 0x25 */
HFS_SETKEYLEN(record, 0x25);
memset(record + 1, 0, 0x25);
memcpy(record + 1, key + 1, HFS_RECKEYLEN(key));
}
else
memcpy(record, key, HFS_RECKEYSKIP(key));
d_putul(HFS_RECDATA(record), np->nnum);
if (reclen)
*reclen = HFS_RECKEYSKIP(record) + 4;
}
/*
* NAME: record->packextkey()
* DESCRIPTION: pack an extents record key
*/
void r_packextkey(const ExtKeyRec *key, byte *pkey, int *len)
{
const byte *start = pkey;
d_storesb(&pkey, key->xkrKeyLen);
d_storesb(&pkey, key->xkrFkType);
d_storeul(&pkey, key->xkrFNum);
d_storeuw(&pkey, key->xkrFABN);
if (len)
*len = HFS_RECKEYSKIP(start);
}
/*
* NAME: record->packcatkey()
* DESCRIPTION: pack a catalog record key
*/
void r_packcatkey(const CatKeyRec *key, byte *pkey, int *len)
{
const byte *start = pkey;
d_storesb(&pkey, key->ckrKeyLen);
d_storesb(&pkey, key->ckrResrv1);
d_storeul(&pkey, key->ckrParID);
d_storestr(&pkey, key->ckrCName, sizeof(key->ckrCName));
if (len)
*len = HFS_RECKEYSKIP(start);
}