OSX/utilities/sqlutils.h

   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 */
  35 static 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
  41 static 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
  47 static 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