Donovan Watteau a7e24443a7 SDL: Rely on USE_SDL2 for the setjmp/longjmp MSVC workaround
SDL_VERSION_ATLEAST can't be used at this point, but USE_SDL2 is now
available through the preprocessor.
2023-03-09 01:30:34 +01:00

377 lines
12 KiB
C

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef BACKEND_SDL_SYS_H
#define BACKEND_SDL_SYS_H
// The purpose of this header is to include the SDL headers in a uniform
// fashion.
// Moreover, it contains a workaround for the fact that SDL_rwops.h uses
// a FILE pointer in one place, which conflicts with common/forbidden.h.
// The SDL 1.3 headers also include strings.h
#include "common/scummsys.h"
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_FILE)
#undef FILE
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcasecmp)
#undef strcasecmp
#define strcasecmp FAKE_strcasecmp
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strncasecmp)
#undef strncasecmp
#define strncasecmp FAKE_strncasecmp
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_exit)
#undef exit
#define exit FAKE_exit
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_abort)
#undef abort
#define abort FAKE_abort
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_system)
#undef system
#define system FAKE_system
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_mkdir)
#undef mkdir
#define mkdir FAKE_mkdir
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcpy)
#undef strcpy
#define strcpy FAKE_strcpy
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcat)
#undef strcat
#define strcat FAKE_strcat
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_vsprintf)
#undef vsprintf
#define vsprintf FAKE_vsprintf
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_sprintf)
#undef sprintf
#define sprintf FAKE_sprintf
#endif
// Fix compilation with MacPorts SDL 2
// It needs various (usually forbidden) symbols from time.h
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_time_h
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_asctime)
#undef asctime
#define asctime FAKE_asctime
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_clock)
#undef clock
#define clock FAKE_clock
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_ctime)
#undef ctime
#define ctime FAKE_ctime
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_difftime)
#undef difftime
#define difftime FAKE_difftime
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getdate)
#undef getdate
#define getdate FAKE_getdate
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_gmtime)
#undef gmtime
#define gmtime FAKE_gmtime
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_localtime)
#undef localtime
#define localtime FAKE_localtime
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_mktime)
#undef mktime
#define mktime FAKE_mktime
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_time)
#undef time
#define time FAKE_time
#endif
#endif // FORBIDDEN_SYMBOL_EXCEPTION_time_h
// Fix compilation on non-x86 architectures
// It needs various (usually forbidden) symbols from unistd.h
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_chdir)
#undef chdir
#define chdir FAKE_chdir
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getcwd)
#undef getcwd
#define getcwd FAKE_getcwd
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getwd)
#undef getwd
#define getwd FAKE_getwd
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_unlink)
#undef unlink
#define unlink FAKE_unlink
#endif
#endif // FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
// HACK: SDL might include windows.h which defines its own ARRAYSIZE.
// However, we want to use the version from common/util.h. Thus, we make sure
// that we actually have this definition after including the SDL headers.
#if defined(ARRAYSIZE) && defined(COMMON_UTIL_H)
#define HACK_REDEFINE_ARRAYSIZE
#undef ARRAYSIZE
#endif
// HACK to fix compilation with SDL 2.0 in MSVC.
// In SDL 2.0, intrin.h is now included in SDL_cpuinfo.h, which includes
// setjmp.h. SDL_cpuinfo.h is included from SDL.h and SDL_syswm.h.
// Thus, we remove the exceptions for setjmp and longjmp before these two
// includes.
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && defined(_MSC_VER) && defined(USE_SDL2)
// We unset any fake definitions of setjmp/longjmp here
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setjmp
#undef setjmp
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_longjmp
#undef longjmp
#endif
#endif
#include <SDL.h>
// Ignore warnings from system headers pulled by SDL
#pragma warning(push)
#pragma warning(disable:4121) // alignment of a member was sensitive to packing
#include <SDL_syswm.h>
#pragma warning(pop)
// Restore the forbidden exceptions from the hack above
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && defined(_MSC_VER)
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setjmp
#undef setjmp
#define setjmp(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_longjmp
#undef longjmp
#define longjmp(a,b) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#endif
// SDL_syswm.h will include windows.h on Win32. We need to undefine its
// ARRAYSIZE definition because we supply our own.
#undef ARRAYSIZE
#ifdef HACK_REDEFINE_ARRAYSIZE
#undef HACK_REDEFINE_ARRAYSIZE
#define ARRAYSIZE(x) ((int)(sizeof(x) / sizeof(x[0])))
#endif
// In a moment of brilliance Xlib.h included by SDL_syswm.h #defines the
// following names. In a moment of mental breakdown, which occurred upon
// gazing at Xlib.h, LordHoto decided to undefine them to prevent havoc.
#ifdef Status
#undef Status
#endif
#ifdef Bool
#undef Bool
#endif
#ifdef True
#undef True
#endif
#ifdef False
#undef False
#endif
#ifdef Complex
#undef Complex
#endif
// Finally forbid FILE again (if it was forbidden to start with)
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_FILE)
#undef FILE
#define FILE FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcasecmp)
#undef strcasecmp
#define strcasecmp FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strncasecmp)
#undef strncasecmp
#define strncasecmp FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_exit)
#undef exit
#define exit(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_abort)
#undef abort
#define abort() FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_system)
#undef system
#define system(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_mkdir)
#undef mkdir
#define mkdir(a,b) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcpy)
#undef strcpy
#define strcpy(a,b) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_strcat)
#undef strcat
#define strcat(a,b) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_vsprintf)
#undef vsprintf
#define vsprintf(a,b,c) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_sprintf)
#undef sprintf
#define sprintf(a,b,...) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
// re-forbid all those time.h symbols again (if they were forbidden)
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_time_h
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_asctime)
#undef asctime
#define asctime(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_clock)
#undef clock
#define clock() FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_ctime)
#undef ctime
#define ctime(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_difftime)
#undef difftime
#define difftime(a,b) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getdate)
#undef getdate
#define getdate(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_gmtime)
#undef gmtime
#define gmtime(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_localtime)
#undef localtime
#define localtime(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_mktime)
#undef mktime
#define mktime(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_time)
#undef time
#define time(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#endif // FORBIDDEN_SYMBOL_EXCEPTION_time_h
// re-forbid all those unistd.h symbols again (if they were forbidden)
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_chdir)
#undef chdir
#define chdir(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getcwd)
#undef getcwd
#define getcwd(a,b) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_getwd)
#undef getwd
#define getwd(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_unlink)
#undef unlink
#define unlink(a) FORBIDDEN_look_at_common_forbidden_h_for_more_info SYMBOL !%*
#endif
#endif // FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
#endif