1/**************************************************************************** 2 * Copyright 2020,2021 Thomas E. Dickey * 3 * Copyright 2012-2013,2016 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30/**************************************************************************** 31 * Author: Thomas E. Dickey 2012 * 32 ****************************************************************************/ 33 34#ifndef STRING_HACKS_H 35#define STRING_HACKS_H 1 36 37#include <ncurses_cfg.h> 38 39#if HAVE_BSD_STRING_H 40#include <bsd/string.h> 41#endif 42 43/* 44 * $Id: nc_string.h,v 1.1 2023/10/17 09:52:08 nicm Exp $ 45 * 46 * String-hacks. Use these macros to stifle warnings on (presumably) correct 47 * uses of strcat, strcpy and sprintf. 48 * 49 * By the way - 50 * A fundamental limitation of the interfaces (and frequent issue in bug 51 * reports using these functions) is that sizes are passed as unsigned values 52 * (with associated sign-extension problems), limiting their effectiveness 53 * when checking for buffer overflow. 54 */ 55 56#ifdef __cplusplus 57#define NCURSES_VOID /* nothing */ 58#else 59#define NCURSES_VOID (void) 60#endif 61 62#if USE_STRING_HACKS && HAVE_STRLCAT 63#define _nc_STRCAT(d,s,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,n)) 64#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,m)) 65#else 66#define _nc_STRCAT(d,s,n) NCURSES_VOID strcat((d),(s)) 67#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strncat((d),(s),(n)) 68#endif 69 70#if USE_STRING_HACKS && HAVE_STRLCPY 71#define _nc_STRCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n)) 72#define _nc_STRNCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n)) 73#else 74#define _nc_STRCPY(d,s,n) NCURSES_VOID strcpy((d),(s)) 75#define _nc_STRNCPY(d,s,n) NCURSES_VOID strncpy((d),(s),(n)) 76#endif 77 78#if USE_STRING_HACKS && HAVE_SNPRINTF 79#ifdef __cplusplus 80#define _nc_SPRINTF NCURSES_VOID snprintf 81#else 82#define _nc_SPRINTF NCURSES_VOID (snprintf) 83#endif 84#define _nc_SLIMIT(n) NCURSES_CAST(size_t,n), 85#else 86#define _nc_SPRINTF NCURSES_VOID sprintf 87#define _nc_SLIMIT(n) /* nothing */ 88#endif 89 90#endif /* STRING_HACKS_H */ 91