mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 05:38:56 +00:00
f3f5088824
It’s questionable that the SDL backend code is trying so hard to maintain forbidden symbols at all since backend code is exactly where such things are allowed, and it is a game of whack-a-mole to keep system API changes from breaking this fragile system of symbol redefinitions. Probably this should all just get replaced with a FORBIDDEN_SYMBOL_ALLOW_ALL, but for the time being this at least gets builds working again on up-to-date msys2/mingw-w64 compilers. Fixes Trac#10405.
320 lines
9.6 KiB
C
320 lines
9.6 KiB
C
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef BACKEND_SDL_SYS_H
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#define BACKEND_SDL_SYS_H
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// The purpose of this header is to include the SDL headers in a uniform
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// fashion, even on the Symbian port.
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// Moreover, it contains a workaround for the fact that SDL_rwops.h uses
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// a FILE pointer in one place, which conflicts with common/forbidden.h.
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// The SDL 1.3 headers also include strings.h
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#include "common/scummsys.h"
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_FILE)
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#undef FILE
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcasecmp)
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#undef strcasecmp
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#define strcasecmp FAKE_strcasecmp
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strncasecmp)
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#undef strncasecmp
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#define strncasecmp FAKE_strncasecmp
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_exit)
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#undef exit
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#define exit FAKE_exit
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_abort)
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#undef abort
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#define abort FAKE_abort
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_system)
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#undef system
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#define system FAKE_system
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#endif
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// Fix compilation with MacPorts SDL 2
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// It needs various (usually forbidden) symbols from time.h
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#ifndef FORBIDDEN_SYMBOL_EXCEPTION_time_h
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_asctime)
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#undef asctime
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#define asctime FAKE_asctime
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_clock)
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#undef clock
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#define clock FAKE_clock
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_ctime)
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#undef ctime
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#define ctime FAKE_ctime
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_difftime)
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#undef difftime
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#define difftime FAKE_difftime
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getdate)
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#undef getdate
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#define getdate FAKE_getdate
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_gmtime)
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#undef gmtime
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#define gmtime FAKE_gmtime
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_localtime)
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#undef localtime
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#define localtime FAKE_localtime
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_mktime)
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#undef mktime
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#define mktime FAKE_mktime
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_time)
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#undef time
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#define time FAKE_time
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#endif
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#endif // FORBIDDEN_SYMBOL_EXCEPTION_time_h
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// HACK: SDL might include windows.h which defines its own ARRAYSIZE.
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// However, we want to use the version from common/util.h. Thus, we make sure
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// that we actually have this definition after including the SDL headers.
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#if defined(ARRAYSIZE) && defined(COMMON_UTIL_H)
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#define HACK_REDEFINE_ARRAYSIZE
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#undef ARRAYSIZE
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#endif
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// HACK to fix compilation with SDL 2.0 in MSVC.
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// In SDL 2.0, intrin.h is now included in SDL_cpuinfo.h, which includes
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// setjmp.h. SDL_cpuinfo.h is included from SDL.h and SDL_syswm.h.
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// Thus, we remove the exceptions for setjmp and longjmp before these two
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// includes. Unfortunately, we can't use SDL_VERSION_ATLEAST here, as SDL.h
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// hasn't been included yet at this point.
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && defined(_MSC_VER)
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// We unset any fake definitions of setjmp/longjmp here
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#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setjmp
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#undef setjmp
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#endif
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#ifndef FORBIDDEN_SYMBOL_EXCEPTION_longjmp
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#undef longjmp
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#endif
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#endif
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#if defined(__SYMBIAN32__)
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#include <esdl\SDL.h>
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#else
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#include <SDL.h>
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#endif
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#include <SDL_syswm.h>
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// Restore the forbidden exceptions from the hack above
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && defined(_MSC_VER)
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#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setjmp
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#undef setjmp
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#define setjmp(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#ifndef FORBIDDEN_SYMBOL_EXCEPTION_longjmp
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#undef longjmp
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#define longjmp(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#endif
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// SDL_syswm.h will include windows.h on Win32. We need to undefine its
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// ARRAYSIZE definition because we supply our own.
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#undef ARRAYSIZE
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#ifdef HACK_REDEFINE_ARRAYSIZE
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#undef HACK_REDEFINE_ARRAYSIZE
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#define ARRAYSIZE(x) ((int)(sizeof(x) / sizeof(x[0])))
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#endif
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// In a moment of brilliance Xlib.h included by SDL_syswm.h #defines the
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// following names. In a moment of mental breakdown, which occurred upon
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// gazing at Xlib.h, LordHoto decided to undefine them to prevent havoc.
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#ifdef Status
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#undef Status
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#endif
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#ifdef Bool
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#undef Bool
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#endif
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#ifdef True
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#undef True
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#endif
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#ifdef False
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#undef False
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#endif
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// Finally forbid FILE again (if it was forbidden to start with)
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_FILE)
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#undef FILE
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#define FILE FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcasecmp)
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#undef strcasecmp
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#define strcasecmp FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strncasecmp)
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#undef strncasecmp
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#define strncasecmp FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_exit)
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#undef exit
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#define exit(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_abort)
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#undef abort
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#define abort() FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_system)
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#undef system
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#define system(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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// re-forbid all those time.h symbols again (if they were forbidden)
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#ifndef FORBIDDEN_SYMBOL_EXCEPTION_time_h
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_asctime)
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#undef asctime
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#define asctime(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_clock)
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#undef clock
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#define clock() FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_ctime)
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#undef ctime
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#define ctime(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_difftime)
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#undef difftime
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#define difftime(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getdate)
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#undef getdate
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#define getdate(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_gmtime)
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#undef gmtime
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#define gmtime(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_localtime)
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#undef localtime
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#define localtime(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_mktime)
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#undef mktime
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#define mktime(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_time)
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#undef time
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#define time(a) FORBIDDEN_SYMBOL_REPLACEMENT
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#endif
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#endif // FORBIDDEN_SYMBOL_EXCEPTION_time_h
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// SDL 2 has major API changes. We redefine constants which got renamed to
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// ease the transition. This is sometimes dangerous because the values changed
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// too!
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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// Type names which changed between SDL 1.2 and SDL 2.
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#define SDLKey SDL_Keycode
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#define SDLMod SDL_Keymod
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#define SDL_keysym SDL_Keysym
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// Key code constants which got renamed.
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#define SDLK_SCROLLOCK SDLK_SCROLLLOCK
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#define SDLK_NUMLOCK SDLK_NUMLOCKCLEAR
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#define SDLK_LSUPER SDLK_LGUI
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#define SDLK_RSUPER SDLK_RGUI
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#define SDLK_PRINT SDLK_PRINTSCREEN
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#define SDLK_COMPOSE SDLK_APPLICATION
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#define SDLK_KP0 SDLK_KP_0
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#define SDLK_KP1 SDLK_KP_1
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#define SDLK_KP2 SDLK_KP_2
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#define SDLK_KP3 SDLK_KP_3
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#define SDLK_KP4 SDLK_KP_4
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#define SDLK_KP5 SDLK_KP_5
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#define SDLK_KP6 SDLK_KP_6
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#define SDLK_KP7 SDLK_KP_7
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#define SDLK_KP8 SDLK_KP_8
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#define SDLK_KP9 SDLK_KP_9
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// Meta key constants which got renamed.
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#define KMOD_META KMOD_GUI
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// SDL surface flags which got removed.
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#define SDL_SRCCOLORKEY 0
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#define SDL_SRCALPHA 0
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#define SDL_FULLSCREEN 0x40000000
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// Compatibility implementations for removed functionality.
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int SDL_SetColors(SDL_Surface *surface, SDL_Color *colors, int firstcolor, int ncolors);
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int SDL_SetAlpha(SDL_Surface *surface, Uint32 flag, Uint8 alpha);
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#define SDL_SetColorKey SDL_SetColorKey_replacement
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int SDL_SetColorKey_replacement(SDL_Surface *surface, Uint32 flag, Uint32 key);
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#endif
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#endif
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