Fix memory leak in ExpandedSQL (#738)

gjrtimmer · web-flow · commit d3c690956bde · 2019-08-22T14:55:11.000+02:00
Fixes: #733
diff --git a/sqlite3_trace.go b/sqlite3_trace.go
@@ -89,6 +89,7 @@ func fillExpandedSQL(info *TraceInfo, db *C.sqlite3, pStmt unsafe.Pointer) {
 	}
 
 	expSQLiteCStr := C.sqlite3_expanded_sql((*C.sqlite3_stmt)(pStmt))
+	defer C.sqlite3_free(unsafe.Pointer(expSQLiteCStr))
 	if expSQLiteCStr == nil {
 		fillDBError(&info.DBError, db)
 		return

Original file line number	Diff line number	Diff line change
`@@ -89,6 +89,7 @@ func fillExpandedSQL(info TraceInfo, db C.sqlite3, pStmt unsafe.Pointer) {`
`89`	`89`	`}`
`90`	`90`
`91`	`91`	`expSQLiteCStr := C.sqlite3_expanded_sql((*C.sqlite3_stmt)(pStmt))`
	`92`	`+ defer C.sqlite3_free(unsafe.Pointer(expSQLiteCStr))`
`92`	`93`	`if expSQLiteCStr == nil {`
`93`	`94`	`fillDBError(&info.DBError, db)`
`94`	`95`	`return`