181 lines
6.4 KiB
C
181 lines
6.4 KiB
C
/**************************************************************************
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*
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* Copyright 2007-2013 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _C99_COMPAT_H_
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#define _C99_COMPAT_H_
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/*
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* MSVC hacks.
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*/
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#if defined(_MSC_VER)
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// BK - STFU!
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# pragma warning(disable:4244) // warning C4244: 'function' : conversion from 'intmax_t' to 'int', possible loss of data
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# pragma warning(disable:4267) // warning C4267: '=' : conversion from 'size_t' to 'unsigned int', possible loss of data
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# pragma warning(disable:4351) // warning C4351: new behavior: elements of array '`anonymous-namespace'::per_vertex_accumulator::fields' will be default initialized
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# pragma warning(disable:4345) // warning C4345: behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized
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# pragma warning(disable:4715) // warning C4715: 'write_mask_to_swizzle' : not all control paths return a value
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# pragma warning(disable:4800) // warning C4800: 'unsigned int' : forcing value to bool 'true' or 'false' (performance warning)
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# pragma warning(disable:4456) // warning C4456: declaration of 'deref_var' hides previous local declaration
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# pragma warning(disable:4457) // warning C4457: declaration of 'idx' hides function parameter
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# pragma warning(disable:4458) // warning C4458: declaration of 'type' hides class member
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# pragma warning(disable:4018) // warning C4018: '<': signed / unsigned mismatch
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# pragma warning(disable:4805) // warning C4805: '|=': unsafe mix of type 'GLboolean' and type 'bool' in operation
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/*
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* Visual Studio 2012 will complain if we define the `inline` keyword, but
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* actually it only supports the keyword on C++.
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*
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* To avoid this the _ALLOW_KEYWORD_MACROS must be set.
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*/
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# if (_MSC_VER >= 1700) && !defined(_ALLOW_KEYWORD_MACROS)
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# define _ALLOW_KEYWORD_MACROS
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# endif
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/*
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* XXX: MSVC has a `__restrict` keyword, but it also has a
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* `__declspec(restrict)` modifier, so it is impossible to define a
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* `restrict` macro without interfering with the latter. Furthermore the
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* MSVC standard library uses __declspec(restrict) under the _CRTRESTRICT
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* macro. For now resolve this issue by redefining _CRTRESTRICT, but going
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* forward we should probably should stop using restrict, especially
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* considering that our code does not obbey strict aliasing rules any way.
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*/
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# include <crtdefs.h>
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# undef _CRTRESTRICT
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# define _CRTRESTRICT
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#else
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// BK - STFU!
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# pragma GCC diagnostic ignored "-Wunknown-pragmas" // for clang to disable GCC pragmas
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# pragma GCC diagnostic ignored "-Wpragmas" // for GCC to disable clang pragmas
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# pragma GCC diagnostic ignored "-Wformat-extra-args"
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# pragma GCC diagnostic ignored "-Wignored-qualifiers"
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# pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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# pragma GCC diagnostic ignored "-Wreorder"
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# pragma GCC diagnostic ignored "-Woverloaded-virtual"
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# pragma GCC diagnostic ignored "-Wsign-compare"
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# pragma GCC diagnostic ignored "-Wunneeded-internal-declaration"
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# pragma GCC diagnostic ignored "-Wunused-parameter"
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# pragma GCC diagnostic ignored "-Wunused-private-field"
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# pragma GCC diagnostic ignored "-Wunused-variable"
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# pragma GCC diagnostic ignored "-Wdelete-non-virtual-dtor"
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# if !defined(__clang__)
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# pragma GCC diagnostic ignored "-Wformat="
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# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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# endif
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#endif
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/*
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* C99 inline keyword
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*/
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#ifndef inline
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# ifdef __cplusplus
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/* C++ supports inline keyword */
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# elif defined(__GNUC__)
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# define inline __inline__
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# elif defined(_MSC_VER)
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# define inline __inline
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# elif defined(__ICL)
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# define inline __inline
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# elif defined(__INTEL_COMPILER)
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/* Intel compiler supports inline keyword */
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# elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
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# define inline __inline
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# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
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/* C99 supports inline keyword */
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# elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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/* C99 supports inline keyword */
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# else
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# define inline
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# endif
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#endif
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/*
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* C99 restrict keyword
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*
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* See also:
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* - http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html
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*/
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#ifndef restrict
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# if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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/* C99 */
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# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
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/* C99 */
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# elif defined(__GNUC__)
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# define restrict __restrict__
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# elif defined(_MSC_VER)
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# define restrict __restrict
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# else
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# define restrict /* */
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# endif
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#endif
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/*
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* C99 __func__ macro
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*/
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#ifndef __func__
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# if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(_MSC_VER)
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/* C99 */
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# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
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/* C99 */
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# elif defined(__GNUC__)
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# if __GNUC__ >= 2
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# define __func__ __FUNCTION__
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# else
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# define __func__ "<unknown>"
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# endif
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# elif defined(_MSC_VER)
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# if _MSC_VER >= 1300
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# define __func__ __FUNCTION__
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# else
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# define __func__ "<unknown>"
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# endif
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# else
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# define __func__ "<unknown>"
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# endif
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#endif
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/* Simple test case for debugging */
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#if 0
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static inline const char *
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test_c99_compat_h(const void * restrict a,
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const void * restrict b)
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{
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return __func__;
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}
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#endif
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#endif /* _C99_COMPAT_H_ */
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