mirror of
https://github.com/lcn2/calc.git
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83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
/*
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* banned - indicate which functions are banned in calc source
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*
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* inspired by https://github.com/git/git/blob/master/banned.h
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*
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* Copyright (C) 2021 Landon Curt Noll
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*
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* Calc is open software; you can redistribute it and/or modify it under
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* the terms of the version 2.1 of the GNU Lesser General Public License
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* as published by the Free Software Foundation.
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*
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* Calc is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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* Public License for more details.
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*
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* A copy of version 2.1 of the GNU Lesser General Public License is
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* distributed with calc under the filename COPYING-LGPL. You should have
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* received a copy with calc; if not, write to Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Under source code control: 2021/03/06 21:07:31
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* File existed as early as: 2021
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*
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* chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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*/
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#if !defined(INCLUDE_BANNED_H)
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#define INCLUDE_BANNED_H
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#include "have_stdlib.h"
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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/*
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* From: //github.com/git/git/blob/master/banned.h
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*
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* This header lists functions that have been banned from our code base,
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* because they're too easy to misuse (and even if used correctly,
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* complicate audits). Including this header turns them into compile-time
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* errors.
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*/
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#define BANNED(func,better) sorry_##func##_is_a_banned_function_use_##better##_instead
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#undef strcpy
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#define strcpy(x,y) BANNED(strcpy,strlcpy)
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#undef strcat
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#define strcat(x,y) BANNED(strcat,strlcat)
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#undef strncpy
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#define strncpy(x,y,n) BANNED(strncpy,memccpy)
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#undef strncat
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#define strncat(x,y,n) BANNED(strncat,memccpy)
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#if defined(STDARG)
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#define sprintf(...) BANNED(sprintf,snprintf)
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#define vsprintf(...) BANNED(vsprintf,vsnprintf)
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#else /* STDARG */
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#define sprintf(buf,fmt,arg) BANNED(sprintf,snprintf)
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#define vsprintf(buf,fmt,arg) BANNED(vsprintf,vsnprintf)
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#endif /* STDARG */
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#if 0 /* the XYtimeZZY_s() c11 functions are not yet universal - so do not ban XYtimeZZY() just yet - XXX */
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#undef gmtime
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#define gmtime(t) BANNED(gmtime,gmtime_s)
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#undef localtime
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#define localtime(t) BANNED(localtime,localtime_s)
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#undef ctime
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#define ctime(t) BANNED(ctime,ctime_s)
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#undef ctime_r
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#define ctime_r(t, buf) BANNED(ctime_r,ctime_s)
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#undef asctime
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#define asctime(t) BANNED(asctime,asctime_s)
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#undef asctime_r
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#define asctime_r(t, buf) BANNED(asctime_r,asctime_s)
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#endif /* XXX */
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#endif /* !INCLUDE_BANNED_H */
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