58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
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// Copyright 2010 The Kyua Authors.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file utils/defs.hpp
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///
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/// Definitions for compiler and system features autodetected at configuration
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/// time.
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#if !defined(UTILS_DEFS_HPP)
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#define UTILS_DEFS_HPP
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/// Attribute to mark a function as non-returning.
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#define UTILS_NORETURN @ATTRIBUTE_NORETURN@
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/// Attribute to mark a function as pure.
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#define UTILS_PURE @ATTRIBUTE_PURE@
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/// Attribute to mark an entity as unused.
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#define UTILS_UNUSED @ATTRIBUTE_UNUSED@
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/// Unconstifies a pointer.
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///
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/// \param type The target type of the conversion.
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/// \param ptr The pointer to be unconstified.
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#define UTILS_UNCONST(type, ptr) ((type*)(unsigned long)(const void*)(ptr))
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#endif // !defined(UTILS_DEFS_HPP)
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