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Additional coverage testing. Fix a segfault following OOM in

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sqltie3_load_extension(). (CVS 5523)

FossilOrigin-Name: f1e44eb323f05495cbae25113aebcc50d16b40df
This commit is contained in:
drh
2008-08-02 03:50:39 +00:00
parent c890fec362
commit 701bb3b4f0
22 changed files with 217 additions and 108 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 1.468 2008/08/01 10:50:23 danielk1977 Exp $
** @(#) $Id: pager.c,v 1.469 2008/08/02 03:50:39 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -4580,6 +4580,9 @@ static int pager_incr_changecounter(Pager *pPager, int isDirect){
u32 change_counter;
int rc = SQLITE_OK;
#ifndef SQLITE_ENABLE_ATOMIC_WRITE
assert( isDirect==0 ); /* isDirect is only true for atomic writes */
#endif
if( !pPager->changeCountDone ){
/* Open page 1 of the file for writing. */
rc = sqlite3PagerGet(pPager, 1, &pPgHdr);
@@ -4598,10 +4601,12 @@ static int pager_incr_changecounter(Pager *pPager, int isDirect){
change_counter++;
put32bits(((char*)PGHDR_TO_DATA(pPgHdr))+24, change_counter);
#ifdef SQLITE_ENABLE_ATOMIC_WRITE
if( isDirect && pPager->fd->pMethods ){
const void *zBuf = PGHDR_TO_DATA(pPgHdr);
rc = sqlite3OsWrite(pPager->fd, zBuf, pPager->pageSize, 0);
}
#endif
/* Release the page reference. */
sqlite3PagerUnref(pPgHdr);