diff options
Diffstat (limited to 'src/btree.c')
| -rw-r--r-- | src/btree.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/src/btree.c b/src/btree.c index 2dc2d4c67..09742e62c 100644 --- a/src/btree.c +++ b/src/btree.c @@ -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 |