1*b0d29bc4SBrooks Davis// Copyright 2010 The Kyua Authors. 2*b0d29bc4SBrooks Davis// All rights reserved. 3*b0d29bc4SBrooks Davis// 4*b0d29bc4SBrooks Davis// Redistribution and use in source and binary forms, with or without 5*b0d29bc4SBrooks Davis// modification, are permitted provided that the following conditions are 6*b0d29bc4SBrooks Davis// met: 7*b0d29bc4SBrooks Davis// 8*b0d29bc4SBrooks Davis// * Redistributions of source code must retain the above copyright 9*b0d29bc4SBrooks Davis// notice, this list of conditions and the following disclaimer. 10*b0d29bc4SBrooks Davis// * Redistributions in binary form must reproduce the above copyright 11*b0d29bc4SBrooks Davis// notice, this list of conditions and the following disclaimer in the 12*b0d29bc4SBrooks Davis// documentation and/or other materials provided with the distribution. 13*b0d29bc4SBrooks Davis// * Neither the name of Google Inc. nor the names of its contributors 14*b0d29bc4SBrooks Davis// may be used to endorse or promote products derived from this software 15*b0d29bc4SBrooks Davis// without specific prior written permission. 16*b0d29bc4SBrooks Davis// 17*b0d29bc4SBrooks Davis// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*b0d29bc4SBrooks Davis// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*b0d29bc4SBrooks Davis// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*b0d29bc4SBrooks Davis// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*b0d29bc4SBrooks Davis// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*b0d29bc4SBrooks Davis// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*b0d29bc4SBrooks Davis// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*b0d29bc4SBrooks Davis// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*b0d29bc4SBrooks Davis// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*b0d29bc4SBrooks Davis// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*b0d29bc4SBrooks Davis// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*b0d29bc4SBrooks Davis 29*b0d29bc4SBrooks Davis/// \file utils/defs.hpp 30*b0d29bc4SBrooks Davis/// 31*b0d29bc4SBrooks Davis/// Definitions for compiler and system features autodetected at configuration 32*b0d29bc4SBrooks Davis/// time. 33*b0d29bc4SBrooks Davis 34*b0d29bc4SBrooks Davis#if !defined(UTILS_DEFS_HPP) 35*b0d29bc4SBrooks Davis#define UTILS_DEFS_HPP 36*b0d29bc4SBrooks Davis 37*b0d29bc4SBrooks Davis 38*b0d29bc4SBrooks Davis/// Attribute to mark a function as non-returning. 39*b0d29bc4SBrooks Davis#define UTILS_NORETURN @ATTRIBUTE_NORETURN@ 40*b0d29bc4SBrooks Davis 41*b0d29bc4SBrooks Davis 42*b0d29bc4SBrooks Davis/// Attribute to mark a function as pure. 43*b0d29bc4SBrooks Davis#define UTILS_PURE @ATTRIBUTE_PURE@ 44*b0d29bc4SBrooks Davis 45*b0d29bc4SBrooks Davis 46*b0d29bc4SBrooks Davis/// Attribute to mark an entity as unused. 47*b0d29bc4SBrooks Davis#define UTILS_UNUSED @ATTRIBUTE_UNUSED@ 48*b0d29bc4SBrooks Davis 49*b0d29bc4SBrooks Davis 50*b0d29bc4SBrooks Davis/// Unconstifies a pointer. 51*b0d29bc4SBrooks Davis/// 52*b0d29bc4SBrooks Davis/// \param type The target type of the conversion. 53*b0d29bc4SBrooks Davis/// \param ptr The pointer to be unconstified. 54*b0d29bc4SBrooks Davis#define UTILS_UNCONST(type, ptr) ((type*)(unsigned long)(const void*)(ptr)) 55*b0d29bc4SBrooks Davis 56*b0d29bc4SBrooks Davis 57*b0d29bc4SBrooks Davis#endif // !defined(UTILS_DEFS_HPP) 58