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Add new defenses against misuse of the C API. Ticket #870. (CVS 1906)

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FossilOrigin-Name: 6ef1f662d71c75bdb7f61b2fff03f5b1b41e5586
This commit is contained in:
drh
2004-08-28 14:49:46 +00:00
parent 3d2efea4fa
commit 1bcdb0c0b2
4 changed files with 27 additions and 16 deletions
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19
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.253 2004/08/21 17:54:45 drh Exp $
** $Id: main.c,v 1.254 2004/08/28 14:49:47 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -1240,7 +1240,13 @@ int sqlite3_open16(
** sqlite3_errcode(), sqlite3_errmsg() and sqlite3_errmsg16().
*/
int sqlite3_finalize(sqlite3_stmt *pStmt){
return pStmt ? sqlite3VdbeFinalize((Vdbe*)pStmt) : SQLITE_OK;
int rc;
if( pStmt==0 ){
rc = SQLITE_OK;
}else{
rc = sqlite3VdbeFinalize((Vdbe*)pStmt);
}
return rc;
}
/*
@@ -1252,8 +1258,13 @@ int sqlite3_finalize(sqlite3_stmt *pStmt){
** sqlite3_errcode(), sqlite3_errmsg() and sqlite3_errmsg16().
*/
int sqlite3_reset(sqlite3_stmt *pStmt){
int rc = sqlite3VdbeReset((Vdbe*)pStmt);
sqlite3VdbeMakeReady((Vdbe*)pStmt, -1, 0, 0, 0);
int rc;
if( pStmt==0 ){
rc = SQLITE_OK;
}else{
rc = sqlite3VdbeReset((Vdbe*)pStmt);
sqlite3VdbeMakeReady((Vdbe*)pStmt, -1, 0, 0, 0);
}
return rc;
}