1/*
2 * Copyright (c) 2011-2012,2014 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25/*
26 * sqlutils.h - some wrapper for sql3lite
27 */
28#ifndef _SECURITY_UTILITIES_SQLUTILS_H_
29#define _SECURITY_UTILITIES_SQLUTILS_H_
30
31#include <sqlite3.h>
32
33/* Those are just wrapper around the sqlite3 functions, but they have size_t for some len parameters,
34   and checks for overflow before casting to int */
35static inline int sqlite3_bind_blob_wrapper(sqlite3_stmt* pStmt, int i, const void* zData, size_t n, void(*xDel)(void*))
36{
37    if(n>INT_MAX) return SQLITE_TOOBIG;
38    return sqlite3_bind_blob(pStmt, i, zData, (int)n, xDel);
39}
40
41static inline int sqlite3_bind_text_wrapper(sqlite3_stmt* pStmt, int i, const void* zData, size_t n, void(*xDel)(void*))
42{
43    if(n>INT_MAX) return SQLITE_TOOBIG;
44    return sqlite3_bind_text(pStmt, i, zData, (int)n, xDel);
45}
46
47static inline int sqlite3_prepare_wrapper(sqlite3 *db, const char *zSql, size_t nByte, sqlite3_stmt **ppStmt, const char **pzTail)
48{
49    if(nByte>INT_MAX) return SQLITE_TOOBIG;
50    return sqlite3_prepare(db, zSql, (int)nByte, ppStmt, pzTail);
51}
52
53#endif
54