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Fix a problem whereby the *ppVtab output buffer passed to sqlite3_module.xConstruct() could be invalidated (freed) if a malloc() failure occured within a call to sqlite3_declare_vtab(). (CVS 4397)

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FossilOrigin-Name: efd61df1b9170f0134787ae17ac996a7eff64add
This commit is contained in:
danielk1977
2007-09-04 15:38:57 +00:00
parent 7c836f06d3
commit 5bccfc95b1
3 changed files with 11 additions and 11 deletions
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8
src/vtab.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to help implement virtual tables.
**
** $Id: vtab.c,v 1.56 2007/08/29 14:06:23 danielk1977 Exp $
** $Id: vtab.c,v 1.57 2007/09/04 15:38:58 danielk1977 Exp $
*/
#ifndef SQLITE_OMIT_VIRTUALTABLE
#include "sqliteInt.h"
@@ -343,7 +343,7 @@ static int vtabCallConstructor(
){
int rc;
int rc2;
sqlite3_vtab *pVtab;
sqlite3_vtab *pVtab = 0;
const char *const*azArg = (const char *const*)pTab->azModuleArg;
int nArg = pTab->nModuleArg;
char *zErr = 0;
@@ -359,12 +359,12 @@ static int vtabCallConstructor(
db->pVTab = pTab;
rc = sqlite3SafetyOff(db);
assert( rc==SQLITE_OK );
rc = xConstruct(db, pMod->pAux, nArg, azArg, &pTab->pVtab, &zErr);
rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVtab, &zErr);
rc2 = sqlite3SafetyOn(db);
pVtab = pTab->pVtab;
if( rc==SQLITE_OK && pVtab ){
pVtab->pModule = pMod->pModule;
pVtab->nRef = 1;
pTab->pVtab = pVtab;
}
if( SQLITE_OK!=rc ){