1 /* Copyright (c) 2003, 2006, 2007 MySQL AB
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; version 2 of the License.
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
12 You should have received a copy of the GNU General Public License
13 along with this program; if not, write to the Free Software
14 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
26 friend class DynArr256
;
30 void init(Uint32 type_id
, const Pool_context
& pc
);
36 struct DA256Page
* m_memroot
;
48 Head() { m_ptr_i
= RNIL
; m_sz
= 0;}
53 bool isEmpty() const { return m_sz
== 0;}
56 DynArr256(DynArr256Pool
& pool
, Head
& head
) :
57 m_head(head
), m_pool(pool
){}
59 Uint32
* set(Uint32 pos
);
60 Uint32
* get(Uint32 pos
) const ;
62 struct ReleaseIterator
69 void init(ReleaseIterator
&);
72 * 1 - data (in retptr)
75 Uint32
release(ReleaseIterator
&, Uint32
* retptr
);
78 DynArr256Pool
& m_pool
;
80 bool expand(Uint32 pos
);
81 void handle_invalid_ptr(Uint32 pos
, Uint32 ptrI
, Uint32 p0
);