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91 lines
4.0 KiB
C
91 lines
4.0 KiB
C
/****************************************************************************
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* Copyright 2020,2021 Thomas E. Dickey *
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* Copyright 2012-2013,2016 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Thomas E. Dickey 2012 *
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****************************************************************************/
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#ifndef STRING_HACKS_H
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#define STRING_HACKS_H 1
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#include <ncurses_cfg.h>
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#if HAVE_BSD_STRING_H
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#include <bsd/string.h>
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#endif
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/*
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* $Id: nc_string.h,v 1.9 2021/04/25 00:10:43 tom Exp $
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*
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* String-hacks. Use these macros to stifle warnings on (presumably) correct
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* uses of strcat, strcpy and sprintf.
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*
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* By the way -
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* A fundamental limitation of the interfaces (and frequent issue in bug
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* reports using these functions) is that sizes are passed as unsigned values
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* (with associated sign-extension problems), limiting their effectiveness
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* when checking for buffer overflow.
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*/
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#ifdef __cplusplus
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#define NCURSES_VOID /* nothing */
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#else
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#define NCURSES_VOID (void)
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#endif
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#if USE_STRING_HACKS && HAVE_STRLCAT
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#define _nc_STRCAT(d,s,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,n))
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#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,m))
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#else
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#define _nc_STRCAT(d,s,n) NCURSES_VOID strcat((d),(s))
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#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strncat((d),(s),(n))
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#endif
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#if USE_STRING_HACKS && HAVE_STRLCPY
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#define _nc_STRCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n))
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#define _nc_STRNCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n))
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#else
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#define _nc_STRCPY(d,s,n) NCURSES_VOID strcpy((d),(s))
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#define _nc_STRNCPY(d,s,n) NCURSES_VOID strncpy((d),(s),(n))
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#endif
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#if USE_STRING_HACKS && HAVE_SNPRINTF
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#ifdef __cplusplus
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#define _nc_SPRINTF NCURSES_VOID snprintf
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#else
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#define _nc_SPRINTF NCURSES_VOID (snprintf)
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#endif
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#define _nc_SLIMIT(n) NCURSES_CAST(size_t,n),
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#else
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#define _nc_SPRINTF NCURSES_VOID sprintf
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#define _nc_SLIMIT(n) /* nothing */
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#endif
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#endif /* STRING_HACKS_H */
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