void
btreeEraseNode(BTreeNode *node)
{
GdbBlock *block;
if (node == NULL || node->block->offset == 0)
{
return;
}
block = node->block;
gdbFreeBlock(block->db, block->offset, block->type);
#if 0
rawFileSeek(block->db->fp, block->offset, SEEK_SET);
gdbPad(block->db->fp, block->size);
#endif
}
GdbStatus
gdbAddTree(GDatabase *db, BTree *tree, const char *key, BTree **newTree)
{
GdbStatus status;
offset_t offset;
short blockSize;
blocktype_t type;
if (db == NULL || tree == NULL || db->fp == NULL || key == NULL ||
newTree == NULL)
{
return GDB_ERROR;
}
*newTree = btreeCreate(db, 5);
offset = (*newTree)->block->offset;
blockSize = (*newTree)->block->multiple;
type = (*newTree)->block->type;
if (*newTree == NULL)
{
*newTree = NULL;
return GDB_ERROR;
}
status = btreeInsert(tree, key, offset, 0);
if (status == GDB_DUPLICATE)
{
/* Return the existing newTree. */
btreeClose(*newTree);
gdbFreeBlock(db, offset, type);
offset = btreeSearch(tree, key);
if (offset == 0)
{
/* I doubt this will ever happen. */
pmError(PM_ERROR_FATAL,
_("GNUpdate DB: Possible database corruption! Back up "
"your database and contact a developer.\n"));
exit(1);
}
*newTree = btreeOpen(db, offset);
status = GDB_SUCCESS;
}
else if (status == GDB_ERROR)
{
btreeClose(*newTree);
fseek(db->fp, offset, SEEK_SET);
#if 0
gdbPad(db->fp, blockSize);
#endif
gdbFreeBlock(db, offset, type);
*newTree = NULL;
}
return status;
}
