/* $Id$
 * Include file for GNU world compatibility with reactos include files for libcaptive
 * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; exactly version 2 of June 1991 is required
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


/* NEVER protect this include file with #ifndef/#define/#endif
 * wrapper as we need to be included multiple times
 * Despite this we still #define the symbol to be able to check it
 */
#ifdef _CAPTIVE_REACTOS_COMPAT_H
#undef _CAPTIVE_REACTOS_COMPAT_H
#define _CAPTIVE_REACTOS_COMPAT_H 2
#else
#define _CAPTIVE_REACTOS_COMPAT_H 1
#endif

/* NEVER use #include in this file before all the #define-s are done
 * as we pretend any nested #include "reactos/compat.h" automatically as 'succeeded'.
 * NEVER use any #include inside !REACTOS_COMPAT condition branches.
 * We never nest as the include is protected by #ifdef from reactos/?*.h includes.
 */
#ifdef _CAPTIVE_REACTOS_COMPAT_H_INSIDE
#error "$(top_srcdir)/src/libcaptive/include/reactos/compat.h MUST NOT NEST!"
#endif
#define _CAPTIVE_REACTOS_COMPAT_H_INSIDE 1


/* reactos uses __declspec(dllimport) and __declspec(dllexport)
 * which gets expanded to __attribute__($2) by -D in their Makefile GCC commandline.
 */
#ifdef REACTOS_COMPAT
#define __declspec(type)
#else
#undef __declspec
#endif

/* It gets defined to __attribute__((fastcall)) by "ddk/ntddk.h". */
#ifdef REACTOS_COMPAT
#define FASTCALL
#else
#undef FASTCALL
#endif

#ifdef REACTOS_COMPAT
#define wcscpy captive_reactos_wcscpy
#else
#undef wcscpy
#endif

#ifdef REACTOS_COMPAT
#define wcscat captive_reactos_wcscat
#else
#undef wcscat
#endif

#ifdef REACTOS_COMPAT
#define wcschr captive_reactos_wcschr
#else
#undef wcschr
#endif

#ifdef REACTOS_COMPAT
#define wcsrchr captive_reactos_wcsrchr
#else
#undef wcsrchr
#endif

#ifdef REACTOS_COMPAT
#define wcslen captive_reactos_wcslen
#else
#undef wcslen
#endif

#ifdef REACTOS_COMPAT
#define _wcsicmp captive_reactos__wcsicmp
#else
#undef _wcsicmp
#endif

/* int iswdigit(wint_t wc); should be safe */
/* int iswlower(wint_t wc); should be safe */
/* int iswxdigit(wint_t wc); should be safe */

/* Place BEFORE "internal/debug.h" include as there is
 * 	internal/debug.h->internal/ntoskrnl.h->ddk/ntddk.h->REACTOS_UCS2()
 */
#ifdef REACTOS_COMPAT
#include <stddef.h>	/* for wchar_t; Prevent <stddef.h> declaration while REACTOS_COMPAT is active */
/* You MUST include "captive/unicode_reactos.h" before wchar_t redefinition! */
#include "captive/unicode_reactos.h"	/* for captive_ucs4_to_ucs2_const() for crtdll/string.h/REACTOS_UCS2() and captive_ucs2 */
#define wchar_t captive_ucs2
#define REACTOS_UCS2(string_wchar32) (captive_wchar32_to_ucs2_const((string_wchar32)))
#else
#undef wchar_t
#undef REACTOS_UCS2
#endif

/* for internal/debug.h */
#ifdef REACTOS_COMPAT
#define DBG 1
#else
#undef DBG
#endif


/* -------------------------------- #include-s permitted now, #define-s forbidden
 * See above #define _CAPTIVE_REACTOS_COMPAT_H_INSIDE in this file.
 */


/* Place AFTER REACTOS_UCS2 definition as there is
 * 	internal/debug.h->internal/ntoskrnl.h->ddk/ntddk.h->REACTOS_UCS2()
 * Some sources (reactos/ntoskrnl/ldr/loader.c) define NDEBUG themselves!
 * We have to pre-define all the non-NDEBUG (=debug) macros for such source files.
 */
#ifdef REACTOS_COMPAT
#ifdef __NTOSKRNL__	/* Don't pollute the namespace outside ntoskrnl. */
#include "reactos/internal/debug.h"
#endif
#endif

#ifdef REACTOS_COMPAT
/* All invalid reactos definitions go to captive_reactos_* as trash */
#define _KPCR            captive_reactos__KPCR
#define KPCR             captive_reactos_KPCR
#define PKPCR            captive_reactos_PKPCR
#define KeGetCurrentKPCR captive_reactos_KeGetCurrentKPCR
#include "reactos/internal/i386/ps.h"
#undef _KPCR
#undef KPCR
#undef PKPCR
#undef KeGetCurrentKPCR
/* Usable libcaptive definition for reactos go to captive_*.
 * Note we don't leave any defintion under its original symbol name
 * just to make the whole mess a bit more sane.
 */
#include "captive/ps_reactos.h"
#define _KPCR            captive__KPCR
#define KPCR             captive_KPCR
#define PKPCR            captive_PKPCR
#define KeGetCurrentKPCR captive_KeGetCurrentKPCR
#else
#undef _KPCR
#undef KPCR
#undef PKPCR
#undef KeGetCurrentKPCR
#endif


#undef _CAPTIVE_REACTOS_COMPAT_H_INSIDE