gcc/ada/mingw32.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                               M I N G W 3 2                              *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *          Copyright (C) 2002-2020, Free Software Foundation, Inc.         *
  10  *                                                                          *
  11  * GNAT is free software;  you can  redistribute it  and/or modify it under *
  12  * terms of the  GNU General Public License as published  by the Free Soft- *
  13  * ware  Foundation;  either version 3,  or (at your option) any later ver- *
  14  * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
  15  * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
  16  * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
  17  *                                                                          *
  18  * As a special exception under Section 7 of GPL version 3, you are granted *
  19  * additional permissions described in the GCC Runtime Library Exception,   *
  20  * version 3.1, as published by the Free Software Foundation.               *
  21  *                                                                          *
  22  * You should have received a copy of the GNU General Public License and    *
  23  * a copy of the GCC Runtime Library Exception along with this program;     *
  24  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
  25  * <http://www.gnu.org/licenses/>.                                          *
  26  *                                                                          *
  27  * GNAT was originally developed  by the GNAT team at  New York University. *
  28  * Extensive contributions were provided by Ada Core Technologies Inc.      *
  29  *                                                                          *
  30  ****************************************************************************/
  31
  32 /*  This file provides some macros used for the MINGW32 platform. The main
  33     goal is to be able to build GNAT with a standard MINGW32 C header
  34     set. This files contains also the circuitry for the unicode support.   */
  35
  36 #ifndef _MINGW32_H
  37 #define _MINGW32_H
  38
  39 #include <_mingw.h>
  40
  41 #ifndef RTX
  42 #define GNAT_UNICODE_SUPPORT
  43 #define _UNICODE /* For C runtime */
  44 #define UNICODE  /* For Win32 API */
  45 #endif
  46
  47 /* We need functionality available only starting with Windows XP */
  48 #ifndef _WIN32_WINNT
  49 #define _WIN32_WINNT 0x0501
  50 #endif
  51
  52 #ifndef __CYGWIN__
  53 #include <tchar.h>
  54 #endif
  55 #if defined (__CYGWIN__) && !defined (__CYGWIN32__) && !defined (IN_RTS)
  56 /* Note: windows.h on cygwin-64 includes x86intrin.h which uses malloc.
  57    That fails to compile, if malloc is poisoned, i.e. if !IN_RTS.  */
  58 #define _X86INTRIN_H_INCLUDED
  59 #define _EMMINTRIN_H_INCLUDED
  60 #endif
  61 #include <windows.h>
  62
  63 /* After including this file it is possible to use the character t as prefix
  64    to routines. If GNAT_UNICODE_SUPPORT is defined then the unicode enabled
  65    versions will be used.  */
  66
  67 /* Copy to/from wide-string, if GNAT_UNICODE_SUPPORT activated this will do
  68    the proper translations using the UTF-8 encoding.  */
  69
  70 #ifdef GNAT_UNICODE_SUPPORT
  71
  72 extern UINT __gnat_current_codepage;
  73 extern UINT __gnat_current_ccs_encoding;
  74
  75 /*  Macros to convert to/from the code page specified in
  76     __gnat_current_codepage.  */
  77 #define S2WSC(wstr,str,len) \
  78    MultiByteToWideChar (__gnat_current_codepage,0,str,-1,wstr,len)
  79 #define WS2SC(str,wstr,len) \
  80    WideCharToMultiByte (__gnat_current_codepage,0,wstr,-1,str,len,NULL,NULL)
  81
  82 /*  Macros to convert to/from UTF-8 code page.  */
  83 #define S2WSU(wstr,str,len) \
  84    MultiByteToWideChar (CP_UTF8,0,str,-1,wstr,len)
  85 #define WS2SU(str,wstr,len) \
  86    WideCharToMultiByte (CP_UTF8,0,wstr,-1,str,len,NULL,NULL)
  87
  88 /*  Macros to convert to/from Windows default code page.  */
  89 #define S2WS(wstr,str,len) \
  90    MultiByteToWideChar (CP_ACP,0,str,-1,wstr,len)
  91 #define WS2S(str,wstr,len) \
  92    WideCharToMultiByte (CP_ACP,0,wstr,-1,str,len,NULL,NULL)
  93 #else
  94 #define S2WSC(wstr,str,len) strncpy(wstr,str,len)
  95 #define WS2SC(str,wstr,len) strncpy(str,wstr,len)
  96 #define S2WSU(wstr,str,len) strncpy(wstr,str,len)
  97 #define WS2SU(str,wstr,len) strncpy(str,wstr,len)
  98 #define S2WS(wstr,str,len) strncpy(wstr,str,len)
  99 #define WS2S(str,wstr,len) strncpy(str,wstr,len)
 100 #endif
 101
 102 #include <stdlib.h>
 103
 104 /* STD_MINGW: standard if MINGW32 version > 1.3, we have switched to this
 105    version instead of the previous enhanced version to ease building GNAT on
 106    Windows platforms. By using STD_MINGW or OLD_MINGW it is possible to build
 107    GNAT using both MingW include files (Old MingW + ACT changes and standard
 108    MingW starting with version 1.3.
 109    For w64 Mingw the define STD_MINGW is always set to value 1, because
 110    there is no old header set present.  */
 111 #ifdef _WIN64
 112 #define STD_MINGW 1
 113 #else
 114 #define STD_MINGW ((__MINGW32_MAJOR_VERSION == 1 \
 115                    && __MINGW32_MINOR_VERSION >= 3) \
 116      || (__MINGW32_MAJOR_VERSION >= 2))
 117 #endif
 118
 119 #define OLD_MINGW (!(STD_MINGW))
 120
 121 #ifndef MAXPATHLEN
 122 #define MAXPATHLEN MAX_PATH
 123 #endif
 124
 125 #endif /* _MINGW32_H */