utilities/src/sqlutils.h

   1 //
   2 //  sqlutils.h
   3 //  Security
   4 //
   5 //  Created by Fabrice Gautier on 8/26/11.
   6 //  Copyright (c) 2011 Apple, Inc. All rights reserved.
   7 //
   8
   9 /*
  10  * sqlutils.h - some wrapper for sql3lite
  11  */
  12 #ifndef _SECURITY_UTILITIES_SQLUTILS_H_
  13 #define _SECURITY_UTILITIES_SQLUTILS_H_
  14
  15 #include <sqlite3.h>
  16
  17 /* Those are just wrapper around the sqlite3 functions, but they have size_t for some len parameters,
  18    and checks for overflow before casting to int */
  19 static inline int sqlite3_bind_blob_wrapper(sqlite3_stmt* pStmt, int i, const void* zData, size_t n, void(*xDel)(void*))
  20 {
  21     if(n>INT_MAX) return SQLITE_TOOBIG;
  22     return sqlite3_bind_blob(pStmt, i, zData, (int)n, xDel);
  23 }
  24
  25 static inline int sqlite3_bind_text_wrapper(sqlite3_stmt* pStmt, int i, const void* zData, size_t n, void(*xDel)(void*))
  26 {
  27     if(n>INT_MAX) return SQLITE_TOOBIG;
  28     return sqlite3_bind_text(pStmt, i, zData, (int)n, xDel);
  29 }
  30
  31 static inline int sqlite3_prepare_wrapper(sqlite3 *db, const char *zSql, size_t nByte, sqlite3_stmt **ppStmt, const char **pzTail)
  32 {
  33     if(nByte>INT_MAX) return SQLITE_TOOBIG;
  34     return sqlite3_prepare(db, zSql, (int)nByte, ppStmt, pzTail);
  35 }
  36
  37 #endif