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Overview
Comment:Fix a comment in btree.c. No code changes. (CVS 2774)
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Files: files | file ages | folders
SHA1: 0d8bd133a7530fb56ecb742472865f5a72a0ea5e
User & Date: drh 2005-11-24 14:24:28.000
Context
2005-11-24
14:34
Comment changes. No changes to code. (CVS 2775) (check-in: 786e23b295 user: drh tags: trunk)
14:24
Fix a comment in btree.c. No code changes. (CVS 2774) (check-in: 0d8bd133a7 user: drh tags: trunk)
13:15
Fix incorrect type conversions when copying from a table into itself. Ticket #1536. (CVS 2773) (check-in: a2e55a3828 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/btree.c. 
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/*
** 2004 April 6
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    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 1.270 2005/10/20 07:28:18 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
**
**     Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3:
**     "Sorting And Searching", pages 473-480. Addison-Wesley
**     Publishing Company, Reading, Massachusetts.












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/*
** 2004 April 6
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    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 1.271 2005/11/24 14:24:28 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
**
**     Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3:
**     "Sorting And Searching", pages 473-480. Addison-Wesley
**     Publishing Company, Reading, Massachusetts.
︙︙
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#define pageIntegrity(X) _pageIntegrity(X)
#else
# define pageIntegrity(X)
#endif

/*
** Defragment the page given.  All Cells are moved to the
** beginning of the page and all free space is collected 
** into one big FreeBlk at the end of the page.

*/
static int defragmentPage(MemPage *pPage){
  int i;                     /* Loop counter */
  int pc;                    /* Address of a i-th cell */
  int addr;                  /* Offset of first byte after cell pointer array */
  int hdr;                   /* Offset to the page header */
  int size;                  /* Size of a cell */








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#define pageIntegrity(X) _pageIntegrity(X)
#else
# define pageIntegrity(X)
#endif

/*
** Defragment the page given.  All Cells are moved to the
** end of the page and all free space is collected into one
** big FreeBlk that occurs in between the header and cell
** index and the cell data.
*/
static int defragmentPage(MemPage *pPage){
  int i;                     /* Loop counter */
  int pc;                    /* Address of a i-th cell */
  int addr;                  /* Offset of first byte after cell pointer array */
  int hdr;                   /* Offset to the page header */
  int size;                  /* Size of a cell */
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