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Diffstat (limited to 'contrib/ncurses/include/nc_string.h')
| -rw-r--r-- | contrib/ncurses/include/nc_string.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/contrib/ncurses/include/nc_string.h b/contrib/ncurses/include/nc_string.h new file mode 100644 index 000000000000..546aa0695ba0 --- /dev/null +++ b/contrib/ncurses/include/nc_string.h @@ -0,0 +1,90 @@ +/**************************************************************************** + * Copyright 2020,2021 Thomas E. Dickey * + * Copyright 2012-2013,2016 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Thomas E. Dickey 2012 * + ****************************************************************************/ + +#ifndef STRING_HACKS_H +#define STRING_HACKS_H 1 + +#include <ncurses_cfg.h> + +#if HAVE_BSD_STRING_H +#include <bsd/string.h> +#endif + +/* + * $Id: nc_string.h,v 1.9 2021/04/25 00:10:43 tom Exp $ + * + * String-hacks. Use these macros to stifle warnings on (presumably) correct + * uses of strcat, strcpy and sprintf. + * + * By the way - + * A fundamental limitation of the interfaces (and frequent issue in bug + * reports using these functions) is that sizes are passed as unsigned values + * (with associated sign-extension problems), limiting their effectiveness + * when checking for buffer overflow. + */ + +#ifdef __cplusplus +#define NCURSES_VOID /* nothing */ +#else +#define NCURSES_VOID (void) +#endif + +#if USE_STRING_HACKS && HAVE_STRLCAT +#define _nc_STRCAT(d,s,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,n)) +#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,m)) +#else +#define _nc_STRCAT(d,s,n) NCURSES_VOID strcat((d),(s)) +#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strncat((d),(s),(n)) +#endif + +#if USE_STRING_HACKS && HAVE_STRLCPY +#define _nc_STRCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n)) +#define _nc_STRNCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n)) +#else +#define _nc_STRCPY(d,s,n) NCURSES_VOID strcpy((d),(s)) +#define _nc_STRNCPY(d,s,n) NCURSES_VOID strncpy((d),(s),(n)) +#endif + +#if USE_STRING_HACKS && HAVE_SNPRINTF +#ifdef __cplusplus +#define _nc_SPRINTF NCURSES_VOID snprintf +#else +#define _nc_SPRINTF NCURSES_VOID (snprintf) +#endif +#define _nc_SLIMIT(n) NCURSES_CAST(size_t,n), +#else +#define _nc_SPRINTF NCURSES_VOID sprintf +#define _nc_SLIMIT(n) /* nothing */ +#endif + +#endif /* STRING_HACKS_H */ |