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Disclaimed copyright. Preparing for release 2.0. (CVS 250)

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FossilOrigin-Name: 4e926efe2b59adfec4086eb1d2ba830238facb4c
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drh
2001-09-16 00:13:26 +00:00
parent 872ff86f2c
commit b19a2bc603
77 changed files with 768 additions and 2079 deletions
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33
src/btree.c
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@@ -1,27 +1,15 @@
/*
** Copyright (c) 2001 D. Richard Hipp
** 2001 September 15
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License as published by the Free Software Foundation; either
** version 2 of the License, or (at your option) any later version.
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
**
** You should have received a copy of the GNU General Public
** License along with this library; if not, write to the
** Free Software Foundation, Inc., 59 Temple Place - Suite 330,
** Boston, MA 02111-1307, USA.
**
** Author contact information:
** drh@hwaci.com
** http://www.hwaci.com/drh/
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.28 2001/09/15 13:15:13 drh Exp $
** $Id: btree.c,v 1.29 2001/09/16 00:13:26 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -53,7 +41,7 @@
** database page. If the payload is larger than MX_LOCAL_PAYLOAD bytes
** then surplus bytes are stored on overflow pages. The payload for an
** entry and the preceding pointer are combined to form a "Cell". Each
** page has a smaller header which contains the Ptr(N+1) pointer.
** page has a small header which contains the Ptr(N+1) pointer.
**
** The first page of the file contains a magic string used to verify that
** the file really is a valid BTree database, a pointer to a list of unused
@@ -74,7 +62,7 @@
*/
typedef unsigned int uptr;
/* There are already definedin sqliteInt.h...
/* There are already defined in sqliteInt.h...
** typedef unsigned int u32;
** typedef unsigned short int u16;
** typedef unsigned char u8;
@@ -122,7 +110,8 @@ static const char zMagicHeader[] =
** problem.
**
** The number used was obtained at random and has no special
** significance.
** significance other than the fact that it represents a different
** integer on little-endian and big-endian machines.
*/
#define MAGIC 0xdae37528