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Fix a bug in pager.c that was overwriting freed memory. Comment changes

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in util.c. (CVS 3002)

FossilOrigin-Name: 8c7e18c3f2f0487c6125f2d12720669e4d40e760
This commit is contained in:
drh
2006-01-23 15:39:58 +00:00
parent 8a7aea3bb3
commit 6245e0d19c
4 changed files with 16 additions and 19 deletions
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7
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.252 2006/01/23 15:25:48 danielk1977 Exp $
** @(#) $Id: pager.c,v 1.253 2006/01/23 15:39:59 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -2694,11 +2694,8 @@ int sqlite3pager_get(Pager *pPager, Pgno pgno, void **ppPage){
int rc2 = sqlite3OsFileSize(pPager->fd, &fileSize);
if( rc2!=SQLITE_OK || fileSize>=pgno*pPager->pageSize ){
/* An IO error occured in one of the the sqlite3OsSeek() or
** sqlite3OsRead() calls above. Unreference the page and then
** set it's page number to 0 (0 means "not a page").
*/
** sqlite3OsRead() calls above. */
sqlite3pager_unref(PGHDR_TO_DATA(pPg));
pPg->pgno = 0;
return rc;
}else{
clear_simulated_io_error();