546 lines
19 KiB
C
546 lines
19 KiB
C
#ifndef __MINGW_H
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/*
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* _mingw.h
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*
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* MinGW specific macros included by ALL mingwrt include files; (this file
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* is part of the MinGW32 runtime library package).
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*
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* $Id: _mingw.h.in,v dab5f46101c7 2017/06/05 19:15:12 keithmarshall $
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*
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* Written by Mumit Khan <khan@xraylith.wisc.edu>
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* Copyright (C) 1999, 2001-2011, 2014-2017, MinGW.org Project
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*
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* 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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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#define __MINGW_H
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/* In previous versions, __MINGW32_VERSION was expressed as a dotted
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* numeric pair, representing major.minor; unfortunately, this doesn't
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* adapt well to the inclusion of a patch-level component, since the
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* major.minor.patch dotted triplet representation is not valid as a
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* numeric entity. Thus, for this version, we adopt a representation
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* which encodes the version as a long integer value, expressing:
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*
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* __MINGW32_VERSION = 1,000,000 * major + 1,000 * minor + patch
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*
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* DO NOT EDIT these package version assignments manually; they are
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* derived from the package version specification within configure.ac,
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* whence they are propagated automatically, at package build time.
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*/
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#define __MINGW32_VERSION 5000002L
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#define __MINGW32_MAJOR_VERSION 5
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#define __MINGW32_MINOR_VERSION 0
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#define __MINGW32_PATCHLEVEL 2
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#if __GNUC__ >= 3 && ! defined __PCC__
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#pragma GCC system_header
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#endif
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#ifndef _MSVCRTVER_H
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/* Legacy versions of mingwrt use the macro __MSVCRT_VERSION__ to
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* enable evolving features of different MSVCRT.DLL versions. This
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* usage is no longer recommended, but the __MSVCRT_VERSION__ macro
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* remains useful when a non-freely distributable MSVCRxx.DLL is to
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* be substituted for MSVCRT.DLL; for such usage, the substitute
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* MSVCRxx.DLL may be identified as specified in...
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*/
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# include <msvcrtver.h>
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#endif
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/* A better inference than __MSVCRT_VERSION__, of the capabilities
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* supported by the operating system default MSVCRT.DLL, is provided
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* by the Windows API version identification macros.
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*/
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#include <w32api.h>
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/* The following are defined by the user (or by the compiler), to specify how
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* identifiers are imported from a DLL. All headers should include this first,
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* and then use __DECLSPEC_SUPPORTED to choose between the old ``__imp__name''
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* style or the __MINGW_IMPORT style for declarations.
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*
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* __DECLSPEC_SUPPORTED Defined if dllimport attribute is supported.
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* __MINGW_IMPORT The attribute definition to specify imported
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* variables/functions.
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* _CRTIMP As above. For MS compatibility.
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*
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* Macros to enable MinGW features which deviate from standard MSVC
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* compatible behaviour; these may be specified directly in user code,
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* activated implicitly, (e.g. by specifying _POSIX_C_SOURCE or such),
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* or by inclusion in __MINGW_FEATURES__:
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*
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* __USE_MINGW_ANSI_STDIO Select a more ANSI C99 compatible
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* implementation of printf() and friends;
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* (users should not set this directly).
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*
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* Other macros:
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*
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* __int64 define to be long long. Using a typedef
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* doesn't work for "unsigned __int64"
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*
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*
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* Manifest definitions for flags to control globbing of the command line
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* during application start up, (before main() is called). The first pair,
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* when assigned as bit flags within _CRT_glob, select the globbing algorithm
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* to be used; (the MINGW algorithm overrides MSCVRT, if both are specified).
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* Prior to mingwrt-3.21, only the MSVCRT option was supported; this choice
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* may produce different results, depending on which particular version of
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* MSVCRT.DLL is in use; (in recent versions, it seems to have become
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* definitively broken, when globbing within double quotes).
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*/
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#define __CRT_GLOB_USE_MSVCRT__ 0x0001
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/* From mingwrt-3.21 onward, this should be the preferred choice; it will
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* produce consistent results, regardless of the MSVCRT.DLL version in use.
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*/
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#define __CRT_GLOB_USE_MINGW__ 0x0002
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/* When the __CRT_GLOB_USE_MINGW__ flag is set, within _CRT_glob, the
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* following additional options are also available; they are not enabled
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* by default, but the user may elect to enable any combination of them,
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* by setting _CRT_glob to the boolean sum (i.e. logical OR combination)
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* of __CRT_GLOB_USE_MINGW__ and the desired options.
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*
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* __CRT_GLOB_USE_SINGLE_QUOTE__ allows use of single (apostrophe)
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* quoting characters, analogously to
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* POSIX usage, as an alternative to
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* double quotes, for collection of
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* arguments separated by white space
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* into a single logical argument.
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*
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* __CRT_GLOB_BRACKET_GROUPS__ enable interpretation of bracketed
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* character groups as POSIX compatible
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* globbing patterns, matching any one
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* character which is either included
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* in, or excluded from the group.
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*
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* The following options, which may also be specified within _CRT_glob,
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* are specified in terms of their glob() flags, as defined in <glob.h>
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*
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* GLOB_CASEMATCH enable case sensitive matching for
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* globbing patterns; this is default
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* behaviour for POSIX, but because of
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* the case insensitive nature of the
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* MS-Windows file system, it is more
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* appropriate to use case insensitive
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* globbing as the MinGW default.
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*
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* GLOB_BRACE enable expansion of GNU style brace
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* delimited expression groups within
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* the globbing pattern.
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*
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*/
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#define __CRT_GLOB_USE_SINGLE_QUOTE__ 0x0010
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#define __CRT_GLOB_BRACKET_GROUPS__ 0x0020
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/* The MinGW globbing algorithm uses the ASCII DEL control code as a marker
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* for globbing characters which were embedded within quoted arguments; (the
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* quotes are stripped away BEFORE the argument is globbed; the globbing code
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* treats the marked character as immutable, and strips out the DEL markers,
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* before storing the resultant argument). The DEL code is mapped to this
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* function here; DO NOT change it, without rebuilding the runtime.
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*/
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#define __CRT_GLOB_ESCAPE_CHAR__ (char)(127)
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/* Manifest definitions identifying the flag bits, controlling activation
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* of MinGW features, as specified by the user in __MINGW_FEATURES__.
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*/
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#define __MINGW_ANSI_STDIO__ 0x0000000000000001ULL
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/*
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* The following three are not yet formally supported; they are
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* included here, to document anticipated future usage.
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*/
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#define __MINGW_LC_EXTENSIONS__ 0x0000000000000050ULL
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#define __MINGW_LC_MESSAGES__ 0x0000000000000010ULL
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#define __MINGW_LC_ENVVARS__ 0x0000000000000040ULL
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/* Try to avoid problems with outdated checks for GCC __attribute__ support.
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*/
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#undef __attribute__
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#if defined (__PCC__)
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# undef __DECLSPEC_SUPPORTED
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# ifndef __MINGW_IMPORT
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# define __MINGW_IMPORT extern
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# endif
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# ifndef _CRTIMP
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# define _CRTIMP
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# endif
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# ifndef __cdecl
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# define __cdecl _Pragma("cdecl")
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# endif
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# ifndef __stdcall
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# define __stdcall _Pragma("stdcall")
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# endif
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# ifndef __int64
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# define __int64 long long
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# endif
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# ifndef __int32
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# define __int32 long
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# endif
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# ifndef __int16
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# define __int16 short
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# endif
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# ifndef __int8
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# define __int8 char
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# endif
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# ifndef __small
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# define __small char
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# endif
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# ifndef __hyper
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# define __hyper long long
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# endif
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# ifndef __volatile__
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# define __volatile__ volatile
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# endif
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# ifndef __restrict__
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# define __restrict__ restrict
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# endif
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# define NONAMELESSUNION
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#elif defined(__GNUC__)
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# ifdef __declspec
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# ifndef __MINGW_IMPORT
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/* Note the extern. This is needed to work around GCC's
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limitations in handling dllimport attribute. */
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# define __MINGW_IMPORT extern __attribute__((__dllimport__))
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# endif
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# ifndef _CRTIMP
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# ifdef __USE_CRTIMP
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# define _CRTIMP __attribute__((dllimport))
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# else
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# define _CRTIMP
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# endif
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# endif
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# define __DECLSPEC_SUPPORTED
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# else /* __declspec */
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# undef __DECLSPEC_SUPPORTED
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# undef __MINGW_IMPORT
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# ifndef _CRTIMP
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# define _CRTIMP
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# endif
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# endif /* __declspec */
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/*
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* The next two defines can cause problems if user code adds the
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* __cdecl attribute like so:
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* void __attribute__ ((__cdecl)) foo(void);
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*/
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# ifndef __cdecl
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# define __cdecl __attribute__((__cdecl__))
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# endif
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# ifndef __stdcall
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# define __stdcall __attribute__((__stdcall__))
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# endif
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# ifndef __int64
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# define __int64 long long
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# endif
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# ifndef __int32
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# define __int32 long
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# endif
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# ifndef __int16
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# define __int16 short
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# endif
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# ifndef __int8
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# define __int8 char
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# endif
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# ifndef __small
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# define __small char
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# endif
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# ifndef __hyper
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# define __hyper long long
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# endif
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#else /* ! __GNUC__ && ! __PCC__ */
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# ifndef __MINGW_IMPORT
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# define __MINGW_IMPORT __declspec(dllimport)
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# endif
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# ifndef _CRTIMP
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# define _CRTIMP __declspec(dllimport)
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# endif
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# define __DECLSPEC_SUPPORTED
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# define __attribute__(x) /* nothing */
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#endif
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#if defined (__GNUC__) && defined (__GNUC_MINOR__)
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#define __MINGW_GNUC_PREREQ(major, minor) \
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(__GNUC__ > (major) \
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|| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
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#else
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#define __MINGW_GNUC_PREREQ(major, minor) 0
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#endif
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#ifdef __cplusplus
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# define __CRT_INLINE inline
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#else
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# if __GNUC_STDC_INLINE__
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# define __CRT_INLINE extern inline __attribute__((__gnu_inline__))
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# else
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# define __CRT_INLINE extern __inline__
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# endif
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#endif
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# ifdef __GNUC__
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/* A special form of __CRT_INLINE is provided; it will ALWAYS request
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* inlining when possible. Originally specified as _CRTALIAS, this is
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* now deprecated in favour of __CRT_ALIAS, for syntactic consistency
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* with __CRT_INLINE itself.
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*/
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# define _CRTALIAS __CRT_INLINE __attribute__((__always_inline__))
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# define __CRT_ALIAS __CRT_INLINE __attribute__((__always_inline__))
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# else
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# define _CRTALIAS __CRT_INLINE /* deprecated form */
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# define __CRT_ALIAS __CRT_INLINE /* preferred form */
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# endif
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/*
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* Each function which is implemented as a __CRT_ALIAS should also be
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* accompanied by an externally visible interface. The following pair
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* of macros provide a mechanism for implementing this, either as a stub
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* redirecting to an alternative external function, or by compilation of
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* the normally inlined code into free standing object code; each macro
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* provides a way for us to offer arbitrary hints for use by the build
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* system, while remaining transparent to the compiler.
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*/
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#define __JMPSTUB__(__BUILD_HINT__)
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#define __LIBIMPL__(__BUILD_HINT__)
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#ifdef __cplusplus
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# define __UNUSED_PARAM(x)
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#else
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# ifdef __GNUC__
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# define __UNUSED_PARAM(x) x __attribute__((__unused__))
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# else
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# define __UNUSED_PARAM(x) x
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# endif
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#endif
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#ifdef __GNUC__
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#define __MINGW_ATTRIB_NORETURN __attribute__((__noreturn__))
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#define __MINGW_ATTRIB_CONST __attribute__((__const__))
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#else
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#define __MINGW_ATTRIB_NORETURN
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#define __MINGW_ATTRIB_CONST
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#endif
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#if __MINGW_GNUC_PREREQ (3, 0)
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#define __MINGW_ATTRIB_MALLOC __attribute__((__malloc__))
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#define __MINGW_ATTRIB_PURE __attribute__((__pure__))
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#else
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#define __MINGW_ATTRIB_MALLOC
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#define __MINGW_ATTRIB_PURE
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#endif
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/* Attribute `nonnull' was valid as of gcc 3.3. We don't use GCC's
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variadiac macro facility, because variadic macros cause syntax
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errors with --traditional-cpp. */
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#if __MINGW_GNUC_PREREQ (3, 3)
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#define __MINGW_ATTRIB_NONNULL(arg) __attribute__((__nonnull__(arg)))
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#else
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#define __MINGW_ATTRIB_NONNULL(arg)
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#endif /* GNUC >= 3.3 */
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#if __MINGW_GNUC_PREREQ (3, 1)
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#define __MINGW_ATTRIB_DEPRECATED __attribute__((__deprecated__))
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#else
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#define __MINGW_ATTRIB_DEPRECATED
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#endif /* GNUC >= 3.1 */
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#if __MINGW_GNUC_PREREQ (3, 3)
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#define __MINGW_NOTHROW __attribute__((__nothrow__))
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#else
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#define __MINGW_NOTHROW
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#endif /* GNUC >= 3.3 */
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/* TODO: Mark (almost) all CRT functions as __MINGW_NOTHROW. This will
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allow GCC to optimize away some EH unwind code, at least in DW2 case. */
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/* Activation of MinGW specific extended features:
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*/
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#ifndef __USE_MINGW_ANSI_STDIO
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/* Users should not set this directly; rather, define one (or more)
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* of the feature test macros (tabulated below), or specify any of the
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* compiler's command line options, (e.g. -posix, -ansi, or -std=c...),
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* which cause _POSIX_SOURCE, or __STRICT_ANSI__ to be defined.
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*
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* We must check this BEFORE we specifiy any implicit _POSIX_C_SOURCE,
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* otherwise we would always implicitly choose __USE_MINGW_ANSI_STDIO,
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* even if none of these selectors are specified explicitly...
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*/
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# if defined __STRICT_ANSI__ || defined _ISOC99_SOURCE \
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|| defined _POSIX_SOURCE || defined _POSIX_C_SOURCE \
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|| defined _XOPEN_SOURCE || defined _XOPEN_SOURCE_EXTENDED \
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|| defined _GNU_SOURCE || defined _BSD_SOURCE \
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|| defined _SVID_SOURCE
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/*
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* but where any of these source code qualifiers are specified,
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* then assume ANSI I/O standards are preferred over Microsoft's...
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*/
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# define __USE_MINGW_ANSI_STDIO 1
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# else
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/* otherwise use whatever __MINGW_FEATURES__ specifies...
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*/
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# define __USE_MINGW_ANSI_STDIO (__MINGW_FEATURES__ & __MINGW_ANSI_STDIO__)
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# endif
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#endif
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/* Some applications may define _XOPEN_SOURCE, without assigning any
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* value to it. Such usage may have been permitted in early SUS, but
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* it became obsolete as of SUSv2. Attempt to detect obsolete usage,
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* as it makes an effective evaluation of any _XOPEN_SOURCE version
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* dependency difficult, (without the use of ugly kludges at EVERY
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* point of reference which attempts a version comparison).
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*/
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#define __paste(prefix,suffix) prefix ## suffix
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#define __valueless(token) ((token - 0) == 0) && (__paste(token,10) == 10)
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#if defined _XOPEN_SOURCE && __valueless(_XOPEN_SOURCE)
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/* _XOPEN_SOURCE appears to have been defined without its mandatory
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* value; diagnose this brain-damaged obsolete usage (verbosely)...
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*/
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#warning "_XOPEN_SOURCE seems to have been improperly defined."
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#warning "Mandatory _XOPEN_SOURCE value assignment appears to be missing."
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#warning "Redefining _XOPEN_SOURCE to mitigate obsolete misuse."
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/* ...and redefine, emulating implicit behaviour of -D_XOPEN_SOURCE on
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* the GCC command line, (which DOES assign an implied value of one).
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*/
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#undef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 1
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#endif
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#ifndef _POSIX_C_SOURCE
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/* Users may define this, either directly or indirectly, to explicitly
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* enable a particular level of visibility for the subset of those POSIX
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* features which are supported by MinGW; (notice that this offers no
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* guarantee that any particular POSIX feature will be supported).
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*/
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# if defined _XOPEN_SOURCE
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/* Specifying this is the preferred method for setting _POSIX_C_SOURCE;
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* (POSIX defines an explicit relationship to _XOPEN_SOURCE). Note that
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* any such explicit setting will augment the set of features which are
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* available to any compilation unit, even if it seeks to be strictly
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* ANSI-C compliant.
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*/
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# if _XOPEN_SOURCE < 500
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# define _POSIX_C_SOURCE 1L /* POSIX.1-1990 / SUSv1 */
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# elif _XOPEN_SOURCE < 600
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# define _POSIX_C_SOURCE 199506L /* POSIX.1-1996 / SUSv2 */
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# elif _XOPEN_SOURCE < 700
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# define _POSIX_C_SOURCE 200112L /* POSIX.1-2001 / SUSv3 */
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# else
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# define _POSIX_C_SOURCE 200809L /* POSIX.1-2008 / SUSv4 */
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# endif
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# elif defined _GNU_SOURCE || defined _BSD_SOURCE || ! defined __STRICT_ANSI__
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/*
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* No explicit level of support has been specified; implicitly grant
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* the most comprehensive level to any compilation unit which requests
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* either GNU or BSD feature support, or does not seek to be strictly
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* ANSI-C compliant.
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*/
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# define _POSIX_C_SOURCE 200809L
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# if ! defined _EMULATE_GLIBC && ! defined _POSIX_SOURCE
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/* For this default case, unless it has already been specified
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* otherwise, we enable some GNU glibc extensions, which may be
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* considered as violations of strict POSIX.1 conformance.
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*/
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# define _EMULATE_GLIBC 1
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# endif
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# elif defined _POSIX_SOURCE
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/* Now formally deprecated by POSIX, some old code may specify this;
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* it will enable a minimal level of POSIX support, in addition to the
|
|
* limited feature set enabled for strict ANSI-C conformity.
|
|
*/
|
|
# define _POSIX_C_SOURCE 1L
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _ISOC99_SOURCE
|
|
/* libmingwex.a provides free-standing implementations for many of the
|
|
* functions which were introduced in C99; MinGW headers do not expose
|
|
* prototypes for these, unless this feature test macro is defined, by
|
|
* the user, or implied by other standards. We will use a bit-mapped
|
|
* representation, comprising the bit-wise sum of:
|
|
*
|
|
* 0x08 user declared
|
|
* 0x04 required by C compiler, supporting ISO-C99
|
|
* 0x02 required by C++ compiler, supporting ISO-C++11
|
|
* 0x01 required to support recent POSIX.1 features
|
|
*
|
|
* to ensure that we can identify the reason for implicit declaration,
|
|
* (in the event that we may need to discriminate).
|
|
*/
|
|
# if __STDC_VERSION__ >= 199901L
|
|
/* This represents a compiler supporting ISO-C99; enable all potential
|
|
* use of ISO-C99 features, (to the maximum extent supportable), which
|
|
* presumably also covers all C++11 and POSIX.1 usage.
|
|
*/
|
|
# define _ISOC99_SOURCE 0x07
|
|
|
|
# elif __cplusplus >= 201103L
|
|
/* C++11 also incorporates many (if not all) of the ISO-C99 features,
|
|
* which we have guarded by _ISOC99_SOURCE; enable such features, to
|
|
* the required extent, (which is likely also sufficient to support
|
|
* any POSIX.1 dependencies).
|
|
*/
|
|
# define _ISOC99_SOURCE 0x03
|
|
|
|
# elif _POSIX_C_SOURCE >= 200112L
|
|
/* This represents the minimum level of ISO-C99 support, which may be
|
|
* required by POSIX.1, (and which may be no less than full support).
|
|
*/
|
|
# define _ISOC99_SOURCE 0x01
|
|
# endif
|
|
|
|
#else
|
|
/* The the user has explicitly declared a source level dependency on
|
|
* ISO-C99 features; regardless of how it was declared, redefine it to
|
|
* ensure that any plausible dependency is covered.
|
|
*/
|
|
# undef _ISOC99_SOURCE
|
|
# define _ISOC99_SOURCE 0x0F
|
|
|
|
#endif /* _ISOC99_SOURCE */
|
|
|
|
#if _ISOC99_SOURCE && __cplusplus >= 201103L && __GNUC__ < 6
|
|
/* Due to a configuration defect in GCC versions prior to GCC-6, when
|
|
* compiling C++11 code, the ISO-C99 functions may not be incorporated
|
|
* into the appropriate namespace(s); we may be able to mitigate this,
|
|
* by ensuring that these GCC configuration macros are defined.
|
|
*/
|
|
# define _GLIBCXX_USE_C99 1
|
|
# define _GLIBCXX_HAVE_WCSTOF 1
|
|
#endif
|
|
|
|
#if ! defined _MINGW32_SOURCE_EXTENDED && ! defined __STRICT_ANSI__
|
|
/* Enable mingw32 extensions by default, except when __STRICT_ANSI__
|
|
* conformity mode has been enabled.
|
|
*/
|
|
# define _MINGW32_SOURCE_EXTENDED 1
|
|
#endif
|
|
|
|
#endif /* __MINGW_H: $RCSfile: _mingw.h.in,v $: end of file */
|