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diff -ru sqlite-3.5.9/src/vdbeapi.c sqlite-3.5.9+iPhone/src/vdbeapi.c
--- sqlite-3.5.9/src/vdbeapi.c 2008-05-13 12:52:46.000000000 +0000
+++ sqlite-3.5.9+iPhone/src/vdbeapi.c 2008-08-01 03:22:00.000000000 +0000
@@ -1072,6 +1072,9 @@
int sqlite3_bind_double(sqlite3_stmt *pStmt, int i, double rValue){
int rc;
Vdbe *p = (Vdbe *)pStmt;
+ if( p==0 ){
+ return SQLITE_MISUSE;
+ }
sqlite3_mutex_enter(p->db->mutex);
rc = vdbeUnbind(p, i);
if( rc==SQLITE_OK ){
@@ -1086,6 +1089,9 @@
int sqlite3_bind_int64(sqlite3_stmt *pStmt, int i, sqlite_int64 iValue){
int rc;
Vdbe *p = (Vdbe *)pStmt;
+ if( p==0 ){
+ return SQLITE_MISUSE;
+ }
sqlite3_mutex_enter(p->db->mutex);
rc = vdbeUnbind(p, i);
if( rc==SQLITE_OK ){
@@ -1097,6 +1103,9 @@
int sqlite3_bind_null(sqlite3_stmt *pStmt, int i){
int rc;
Vdbe *p = (Vdbe*)pStmt;
+ if( p==0 ){
+ return SQLITE_MISUSE;
+ }
sqlite3_mutex_enter(p->db->mutex);
rc = vdbeUnbind(p, i);
sqlite3_mutex_leave(p->db->mutex);
@@ -1125,6 +1134,9 @@
int sqlite3_bind_value(sqlite3_stmt *pStmt, int i, const sqlite3_value *pValue){
int rc;
Vdbe *p = (Vdbe *)pStmt;
+ if( p==0 ){
+ return SQLITE_MISUSE;
+ }
sqlite3_mutex_enter(p->db->mutex);
rc = vdbeUnbind(p, i);
if( rc==SQLITE_OK ){
@@ -1137,6 +1149,9 @@
int sqlite3_bind_zeroblob(sqlite3_stmt *pStmt, int i, int n){
int rc;
Vdbe *p = (Vdbe *)pStmt;
+ if( p==0 ){
+ return SQLITE_MISUSE;
+ }
sqlite3_mutex_enter(p->db->mutex);
rc = vdbeUnbind(p, i);
if( rc==SQLITE_OK ){
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