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120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/* Copyright (C) 2010-2018 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (retro_common_api.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _LIBRETRO_COMMON_RETRO_COMMON_API_H
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#define _LIBRETRO_COMMON_RETRO_COMMON_API_H
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/*
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This file is designed to normalize the libretro-common compiling environment
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for public API headers. This should be leaner than a normal compiling environment,
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since it gets #included into other project's sources.
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*/
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/* ------------------------------------ */
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/*
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Ordinarily we want to put #ifdef __cplusplus extern "C" in C library
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headers to enable them to get used by c++ sources.
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However, we want to support building this library as C++ as well, so a
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special technique is called for.
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*/
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#define RETRO_BEGIN_DECLS
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#define RETRO_END_DECLS
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#ifdef __cplusplus
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#ifdef CXX_BUILD
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/* build wants everything to be built as c++, so no extern "C" */
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#else
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#undef RETRO_BEGIN_DECLS
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#undef RETRO_END_DECLS
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#define RETRO_BEGIN_DECLS extern "C" {
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#define RETRO_END_DECLS }
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#endif
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#else
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/* header is included by a C source file, so no extern "C" */
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#endif
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/*
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IMO, this non-standard ssize_t should not be used.
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However, it's a good example of how to handle something like this.
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*/
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#ifdef _MSC_VER
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#ifndef HAVE_SSIZE_T
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#define HAVE_SSIZE_T
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#if defined(_WIN64)
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typedef __int64 ssize_t;
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#elif defined(_WIN32)
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typedef int ssize_t;
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#endif
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#endif
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#elif defined(__MACH__)
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#include <sys/types.h>
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#endif
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#ifdef _MSC_VER
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#if _MSC_VER >= 1800
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#include <inttypes.h>
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#else
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#ifndef PRId64
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#define PRId64 "I64d"
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#define PRIu64 "I64u"
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#define PRIuPTR "Iu"
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#endif
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#endif
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#else
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/* C++11 says this one isn't needed, but apparently (some versions of) mingw require it anyways */
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/* https://stackoverflow.com/questions/8132399/how-to-printf-uint64-t-fails-with-spurious-trailing-in-format */
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/* https://github.com/libretro/RetroArch/issues/6009 */
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#ifndef __STDC_FORMAT_MACROS
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#define __STDC_FORMAT_MACROS 1
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#endif
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#include <inttypes.h>
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#endif
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#ifndef PRId64
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#error "inttypes.h is being screwy"
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#endif
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#define STRING_REP_INT64 "%" PRId64
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#define STRING_REP_UINT64 "%" PRIu64
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#define STRING_REP_USIZE "%" PRIuPTR
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/*
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I would like to see retro_inline.h moved in here; possibly boolean too.
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rationale: these are used in public APIs, and it is easier to find problems
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and write code that works the first time portably when theyre included uniformly
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than to do the analysis from scratch each time you think you need it, for each feature.
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Moreover it helps force you to make hard decisions: if you EVER bring in boolean.h,
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then you should pay the price everywhere, so you can see how much grief it will cause.
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Of course, another school of thought is that you should do as little damage as possible
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in as few places as possible...
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*/
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/* _LIBRETRO_COMMON_RETRO_COMMON_API_H */
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#endif
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