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51c11efbbc
scummvm/common/forbidden.h
Cameron Cawley 4016cffd7a COMMON: Make strdup a forbidden symbol
2018-08-18 16:30:05 +02:00

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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.
*
*/
#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 triggers 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.
* To ease transition, though, we allow re-enabling selected symbols
* in frontend code. However, this should only be used as a temporary
* measure. Especially new code should avoid this at all costs.
*/
#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_look_at_common_forbidden_h_for_more_info 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_stdin
#undef stdin
#define stdin FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_stdout
#undef stdout
#define stdout FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_stderr
#undef stderr
#define stderr 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_fgets
#undef fgets
#define fgets(a,b,c) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_fputs
#undef fputs
#define fputs(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_getc
#undef getc
#define getc(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_putc
#undef putc
#define putc(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_gets
#undef gets
#define gets(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_puts
#undef puts
#define puts(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_getchar
#undef getchar
#define getchar() FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_putchar
#undef putchar
#define putchar(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
// mingw-w64 uses [set|long]jmp in system headers
#if !defined __MINGW64__ && ! defined __MINGW32__
#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
#endif // __MINGW64__ __MINGW32__
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_system
#undef system
#define system(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_exit
#undef exit
#define exit(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_abort
#undef abort
#define abort() FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_getenv
#undef getenv
#define getenv(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_putenv
#undef putenv
#define putenv(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setenv
#undef setenv
#define setenv(a,b,c) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_unsetenv
#undef unsetenv
#define unsetenv(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
//
// Disable various symbols from ctype.h
//
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_ctype_h
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isalnum
#undef isalnum
#define isalnum(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isalpha
#undef isalpha
#define isalpha(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_iscntrl
#undef iscntrl
#define iscntrl(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isdigit
#undef isdigit
#define isdigit(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isgraph
#undef isgraph
#define isgraph(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isnumber
#undef isnumber
#define isnumber(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_islower
#undef islower
#define islower(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isprint
#undef isprint
#define isprint(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_ispunct
#undef ispunct
#define ispunct(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isspace
#undef isspace
#define isspace(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isupper
#undef isupper
#define isupper(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_isxdigit
#undef isxdigit
#define isxdigit(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#endif // FORBIDDEN_SYMBOL_EXCEPTION_ctype_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
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_tmpfile
#undef tmpfile
#define tmpfile() FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_tmpnam
#undef tmpnam
#define tmpnam(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_tempnam
#undef tempnam
#define tempnam(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_rand
#undef rand
#define rand() FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_srand
#undef srand
#define srand(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_random
#undef random
#define random() FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_srandom
#undef srandom
#define srandom(a) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_stricmp
#undef stricmp
#define stricmp(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_strnicmp
#undef strnicmp
#define strnicmp(a,b,c) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_strcasecmp
#undef strcasecmp
#define strcasecmp(a,b) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_strncasecmp
#undef strncasecmp
#define strncasecmp(a,b,c) FORBIDDEN_SYMBOL_REPLACEMENT
#endif
#ifndef FORBIDDEN_SYMBOL_EXCEPTION_strdup
#undef strdup
#define strdup(a) 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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