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Continuing work on the new memory allocation subsystem.

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Added routines for temporary memory allocation.  Right the btree
balance mechanism to only do one temporary allocation at a time. (CVS 5220)

FossilOrigin-Name: 65fe7b62cfe7d11cd667681a64c96fe7b2fe5685
This commit is contained in:
drh
2008-06-15 02:51:47 +00:00
parent fec00eabb3
commit e5ae5735c0
26 changed files with 208 additions and 142 deletions
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16
src/attach.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.75 2008/04/17 17:02:01 drh Exp $
** $Id: attach.c,v 1.76 2008/06/15 02:51:47 drh Exp $
*/
#include "sqliteInt.h"
@@ -112,18 +112,12 @@ static void attachFunc(
** hash tables.
*/
if( db->aDb==db->aDbStatic ){
aNew = sqlite3_malloc( sizeof(db->aDb[0])*3 );
if( aNew==0 ){
db->mallocFailed = 1;
return;
}
aNew = sqlite3DbMallocRaw(db, sizeof(db->aDb[0])*3 );
if( aNew==0 ) return;
memcpy(aNew, db->aDb, sizeof(db->aDb[0])*2);
}else{
aNew = sqlite3_realloc(db->aDb, sizeof(db->aDb[0])*(db->nDb+1) );
if( aNew==0 ){
db->mallocFailed = 1;
return;
}
aNew = sqlite3DbRealloc(db, db->aDb, sizeof(db->aDb[0])*(db->nDb+1) );
if( aNew==0 ) return;
}
db->aDb = aNew;
aNew = &db->aDb[db->nDb++];