icuSources/common/uassert.h

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 ******************************************************************************
   5 *
   6 *   Copyright (C) 2002-2011, International Business Machines
   7 *   Corporation and others.  All Rights Reserved.
   8 *
   9 ******************************************************************************
  10 *
  11 * File uassert.h
  12 *
  13 *  Contains the U_ASSERT and UPRV_UNREACHABLE macros
  14 *
  15 ******************************************************************************
  16 */
  17 #ifndef U_ASSERT_H
  18 #define U_ASSERT_H
  19
  20 /* utypes.h is included to get the proper define for uint8_t */
  21 #include "unicode/utypes.h"
  22 /* for abort */
  23 #include <stdlib.h>
  24
  25 /**
  26  * \def U_ASSERT
  27  * By default, U_ASSERT just wraps the C library assert macro.
  28  * By changing the definition here, the assert behavior for ICU can be changed
  29  * without affecting other non - ICU uses of the C library assert().
  30 */
  31 #if U_DEBUG
  32 #   include <assert.h>
  33 #   define U_ASSERT(exp) assert(exp)
  34 #else
  35 #   define U_ASSERT(exp)
  36 #endif
  37
  38 /**
  39  * \def UPRV_UNREACHABLE
  40  * This macro is used to unconditionally abort if unreachable code is ever executed.
  41  * @internal
  42 */
  43 #if defined(UPRV_UNREACHABLE)
  44     // Use the predefined value.
  45 #else
  46 #   define UPRV_UNREACHABLE abort()
  47 #endif
  48
  49 #endif