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Further reductions in the amount of stack space required. (CVS 6707)

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FossilOrigin-Name: 04bad9eb6dd8bf7cafc9f3918b676e95d5b1c984
This commit is contained in:
drh
2009-06-02 21:31:38 +00:00
parent c54a617e1f
commit e98c9049a0
7 changed files with 91 additions and 66 deletions
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25
src/backup.c
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@@ -12,7 +12,7 @@
** This file contains the implementation of the sqlite3_backup_XXX()
** API functions and the related features.
**
** $Id: backup.c,v 1.15 2009/05/14 19:26:51 drh Exp $
** $Id: backup.c,v 1.16 2009/06/02 21:31:39 drh Exp $
*/
#include "sqliteInt.h"
#include "btreeInt.h"
@@ -91,15 +91,24 @@ static Btree *findBtree(sqlite3 *pErrorDb, sqlite3 *pDb, const char *zDb){
int i = sqlite3FindDbName(pDb, zDb);
if( i==1 ){
Parse sParse;
memset(&sParse, 0, sizeof(sParse));
sParse.db = pDb;
if( sqlite3OpenTempDatabase(&sParse) ){
sqlite3ErrorClear(&sParse);
sqlite3Error(pErrorDb, sParse.rc, "%s", sParse.zErrMsg);
Parse *pParse;
int rc = 0;
pParse = sqlite3StackAllocZero(pErrorDb, sizeof(*pParse));
if( pParse==0 ){
sqlite3Error(pErrorDb, SQLITE_NOMEM, "out of memory");
rc = SQLITE_NOMEM;
}else{
pParse->db = pDb;
if( sqlite3OpenTempDatabase(pParse) ){
sqlite3ErrorClear(pParse);
sqlite3Error(pErrorDb, pParse->rc, "%s", pParse->zErrMsg);
rc = SQLITE_ERROR;
}
sqlite3StackFree(pErrorDb, pParse);
}
if( rc ){
return 0;
}
assert( sParse.zErrMsg==0 );
}
if( i<0 ){