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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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19
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 1.73 2008/08/01 17:37:41 danielk1977 Exp $
** $Id: vtab.c,v 1.74 2008/08/02 03:50:39 drh Exp $
*/
#ifndef SQLITE_OMIT_VIRTUALTABLE
#include "sqliteInt.h"
@@ -790,7 +790,11 @@ FuncDef *sqlite3VtabOverloadFunction(
}
rc = pMod->xFindFunction(pVtab, nArg, zLowerName, &xFunc, &pArg);
sqlite3DbFree(db, zLowerName);
sqlite3VtabTransferError(db, rc, pVtab);
if( pVtab->zErrMsg ){
sqlite3Error(db, rc, "%s", pVtab->zErrMsg);
sqlite3DbFree(db, pVtab->zErrMsg);
pVtab->zErrMsg = 0;
}
}
if( rc==0 ){
return pDef;
@@ -831,15 +835,4 @@ void sqlite3VtabMakeWritable(Parse *pParse, Table *pTab){
}
}
/*
** Transfer a virtual table error into the database connection.
*/
void sqlite3VtabTransferError(sqlite3 *db, int rc, sqlite3_vtab *pVtab){
if( pVtab->zErrMsg ){
sqlite3Error(db, rc, "%s", pVtab->zErrMsg);
sqlite3DbFree(db, pVtab->zErrMsg);
pVtab->zErrMsg = 0;
}
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */