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/****************************************************************************

 *                                                                          *

 *                         GNAT COMPILER COMPONENTS                         *

 *                                                                          *

 *                               M I N G W 3 2                              *

 *                                                                          *

 *                              C Header File                               *

 *                                                                          *

 *          Copyright (C) 2002-2009, Free Software Foundation, Inc.         *

 *                                                                          *

 * GNAT is free software;  you can  redistribute it  and/or modify it under *

 * terms of the  GNU General Public License as published  by the Free Soft- *

 * ware  Foundation;  either version 3,  or (at your option) any later ver- *

 * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *

 * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *

 * or FITNESS FOR A PARTICULAR PURPOSE.                                     *

 *                                                                          *

 * As a special exception under Section 7 of GPL version 3, you are granted *

 * additional permissions described in the GCC Runtime Library Exception,   *

 * version 3.1, as published by the Free Software Foundation.               *

 *                                                                          *

 * You should have received a copy of the GNU General Public License and    *

 * a copy of the GCC Runtime Library Exception along with this program;     *

 * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *

 * <http://www.gnu.org/licenses/>.                                          *

 *                                                                          *

 * GNAT was originally developed  by the GNAT team at  New York University. *

 * Extensive contributions were provided by Ada Core Technologies Inc.      *

 *                                                                          *

 ****************************************************************************/

/*  This file provides some macros used for the MINGW32 platform. The main

    goal is to be able to build GNAT with a standard MINGW32 C header

    set. This files contains also the circuitry for the unicode support.   */

#ifndef _MINGW32_H

#define _MINGW32_H

#include <_mingw.h>

/* The unicode support is activated by default starting with the 3.9 MingW

   version. It is not possible to use it with previous version due to a bug

   in the MingW runtime.  */

#if (((__MINGW32_MAJOR_VERSION == 3 \

                   && __MINGW32_MINOR_VERSION >= 9) \

     || (__MINGW32_MAJOR_VERSION >= 4) \

     || defined (__MINGW64))           \

     && !defined (RTX))

#define GNAT_UNICODE_SUPPORT

#else

/*  Older MingW versions have no definition for _tfreopen, add it here to have a

    proper build without unicode support.  */

#ifndef _tfreopen

#define _tfreopen   freopen

#endif

#endif

#ifdef GNAT_UNICODE_SUPPORT

#define _UNICODE /* For C runtime */

#define UNICODE  /* For Win32 API */

#endif

/* We need functionality available only starting with Windows XP */

#ifndef _WIN32_WINNT

#define _WIN32_WINNT 0x0501

#endif

#include <tchar.h>

#include <windows.h>

/* After including this file it is possible to use the character t as prefix

   to routines. If GNAT_UNICODE_SUPPORT is defined then the unicode enabled

   versions will be used.  */

/* Copy to/from wide-string, if GNAT_UNICODE_SUPPORT activated this will do

   the proper translations using the UTF-8 encoding.  */

#ifdef GNAT_UNICODE_SUPPORT

extern UINT CurrentCodePage;

/*  Macros to convert to/from the code page speficied in CurrentCodePage.  */

#define S2WSC(wstr,str,len) \

   MultiByteToWideChar (CurrentCodePage,0,str,-1,wstr,len)

#define WS2SC(str,wstr,len) \

   WideCharToMultiByte (CurrentCodePage,0,wstr,-1,str,len,NULL,NULL)

/*  Macros to convert to/from UTF-8 code page.  */

#define S2WSU(wstr,str,len) \

   MultiByteToWideChar (CP_UTF8,0,str,-1,wstr,len)

#define WS2SU(str,wstr,len) \

   WideCharToMultiByte (CP_UTF8,0,wstr,-1,str,len,NULL,NULL)

/*  Macros to convert to/from Windows default code page.  */

#define S2WS(wstr,str,len) \

   MultiByteToWideChar (CP_ACP,0,str,-1,wstr,len)

#define WS2S(str,wstr,len) \

   WideCharToMultiByte (CP_ACP,0,wstr,-1,str,len,NULL,NULL)

#else

#define S2WSC(wstr,str,len) strncpy(wstr,str,len)

#define WS2SC(str,wstr,len) strncpy(str,wstr,len)

#define S2WSU(wstr,str,len) strncpy(wstr,str,len)

#define WS2SU(str,wstr,len) strncpy(str,wstr,len)

#define S2WS(wstr,str,len) strncpy(wstr,str,len)

#define WS2S(str,wstr,len) strncpy(str,wstr,len)

#endif

#include <stdlib.h>

/* STD_MINGW: standard if MINGW32 version > 1.3, we have switched to this

   version instead of the previous enhanced version to ease building GNAT on

   Windows platforms. By using STD_MINGW or OLD_MINGW it is possible to build

   GNAT using both MingW include files (Old MingW + ACT changes and standard

   MingW starting with version 1.3.

   For w64 Mingw the define STD_MINGW is always set to value 1, because

   there is no old header set present.  */

#ifdef _WIN64

#define STD_MINGW 1

#else

#define STD_MINGW ((__MINGW32_MAJOR_VERSION == 1 \

                   && __MINGW32_MINOR_VERSION >= 3) \

     || (__MINGW32_MAJOR_VERSION >= 2))

#endif

#define OLD_MINGW (!(STD_MINGW))

#ifndef MAXPATHLEN

#define MAXPATHLEN MAX_PATH

#endif

#endif /* _MINGW32_H */