common/static_check.h

   1 /******************************************************************************
   2  * Copyright (c) 2000-2016 Ericsson Telecom AB
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *   Balasko, Jeno
  10  *   Raduly, Csaba
  11  *
  12  ******************************************************************************/
  13 #ifndef STATIC_CHECK_HH
  14 #define STATIC_CHECK_HH
  15
  16 #ifdef __cplusplus
  17
  18 template<bool> struct CompileTimeError;
  19 template<>     struct CompileTimeError<true> {}; // false never defined
  20
  21 #define STATIC_ASSERT(expr) CompileTimeError<(expr) != 0>()
  22
  23 #else
  24
  25 #define STATIC_ASSERT(x) do { enum { assert_static_ = 1/(x) }; } while(0)
  26
  27 #endif
  28
  29 #define ENSURE_EQUAL(x, y) STATIC_ASSERT((int)(x) == (int)(y));
  30
  31 #endif