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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef COMMON_FORBIDDEN_H
#define COMMON_FORBIDDEN_H
/**
* @file
* This header file is meant to help ensure that engines and
* infrastructure code do not make use of certain "forbidden" APIs, such
* as fopen(), setjmp(), etc.
* This is achieved by re-#defining various symbols to a "garbage"
* string which then trigers a compiler error.
*
* Backend files may #define FORBIDDEN_SYMBOL_ALLOW_ALL if they
* have to access functions like fopen, fread etc.
* Regular code, esp. code in engines/, should never do that.
*/
#ifndef FORBIDDEN_SYMBOL_ALLOW_ALL
// Make sure scummsys.h is always included first
#include "common/scummsys.h"
/**
* The garbage string to use as replacement for forbidden symbols.
*
* The reason for this particular string is the following:
* By including a space and some non-alphanumeric symbols we trigger
* a compiler error. By including the words "forbidden symbol" (which
* the compiler will hopefully print along with its own error message),
* we try to make clear what is causing the error.
*/
#define FORBIDDEN_SYMBOL_REPLACEMENT FORBIDDEN SYMBOL !%*
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_printf
#undef printf
#define printf FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fprintf
#undef fprintf
#define fprintf FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_vprintf
#undef vprintf
#define vprintf FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_vfprintf
#undef vfprintf
#define vfprintf FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_FILE
#undef FILE
#define FILE FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fopen
#undef fopen
#define fopen(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fclose
#undef fclose
#define fclose(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fread
#undef fread
#define fread(a,b,c,d) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fwrite
#undef fwrite
#define fwrite(a,b,c,d) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fseek
#undef fseek
#define fseek(a,b,c) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_ftell
#undef ftell
#define ftell(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_feof
#undef feof
#define feof(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fgetc
#undef fgetc
#define fgetc(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fputc
#undef fputc
#define fputc(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setjmp
#undef setjmp
#define setjmp(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_longjmp
#undef longjmp
#define longjmp(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_system
#undef system
#define system(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
//
// Disable various symbols from time.h
//
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_time_h
/*
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_time_t
#undef time_t
#define time_t FORBIDDEN_SYMBOL_REPLACEMENT
#endif
*/
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_asctime
#undef asctime
#define asctime(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_clock
#undef clock
#define clock() FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_ctime
#undef ctime
#define ctime(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_difftime
#undef difftime
#define difftime(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_getdate
#undef getdate
#define getdate(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_gmtime
#undef gmtime
#define gmtime(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_localtime
#undef localtime
#define localtime(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_mktime
#undef mktime
#define mktime(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_time
#undef time
#define time(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#endif // FORBIDDEN_SYMBOL_EXCEPTION_time_h
//
// Disable various symbols from unistd.h
//
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_chdir
#undef chdir
#define chdir(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_getcwd
#undef getcwd
#define getcwd(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_getwd
#undef getwd
#define getwd(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_unlink
#undef unlink
#define unlink(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#endif // FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_mkdir
#undef mkdir
#define mkdir(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
/*
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setlocale
#undef setlocale
#define setlocale(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
*/
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setvbuf
#undef setvbuf
#define setvbuf(a,b,c,d) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
/*
* We also would like to disable the following symbols;
* however, these are also frequently used in regular code,
* e.g. for method names, so we don't override them.
* - read
* - remove
* - write
* - ...
*/
#endif
#endif
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