173f0a83dSXin LI /**************************************************************************** 2*21817992SBaptiste Daroussin * Copyright 2020,2021 Thomas E. Dickey * 3e1865124SBaptiste Daroussin * Copyright 2012-2013,2016 Free Software Foundation, Inc. * 473f0a83dSXin LI * * 573f0a83dSXin LI * Permission is hereby granted, free of charge, to any person obtaining a * 673f0a83dSXin LI * copy of this software and associated documentation files (the * 773f0a83dSXin LI * "Software"), to deal in the Software without restriction, including * 873f0a83dSXin LI * without limitation the rights to use, copy, modify, merge, publish, * 973f0a83dSXin LI * distribute, distribute with modifications, sublicense, and/or sell * 1073f0a83dSXin LI * copies of the Software, and to permit persons to whom the Software is * 1173f0a83dSXin LI * furnished to do so, subject to the following conditions: * 1273f0a83dSXin LI * * 1373f0a83dSXin LI * The above copyright notice and this permission notice shall be included * 1473f0a83dSXin LI * in all copies or substantial portions of the Software. * 1573f0a83dSXin LI * * 1673f0a83dSXin LI * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1773f0a83dSXin LI * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1873f0a83dSXin LI * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1973f0a83dSXin LI * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 2073f0a83dSXin LI * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2173f0a83dSXin LI * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2273f0a83dSXin LI * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2373f0a83dSXin LI * * 2473f0a83dSXin LI * Except as contained in this notice, the name(s) of the above copyright * 2573f0a83dSXin LI * holders shall not be used in advertising or otherwise to promote the * 2673f0a83dSXin LI * sale, use or other dealings in this Software without prior written * 2773f0a83dSXin LI * authorization. * 2873f0a83dSXin LI ****************************************************************************/ 2973f0a83dSXin LI 3073f0a83dSXin LI /**************************************************************************** 3173f0a83dSXin LI * Author: Thomas E. Dickey 2012 * 3273f0a83dSXin LI ****************************************************************************/ 3373f0a83dSXin LI 3473f0a83dSXin LI #ifndef STRING_HACKS_H 3573f0a83dSXin LI #define STRING_HACKS_H 1 3673f0a83dSXin LI 3773f0a83dSXin LI #include <ncurses_cfg.h> 3873f0a83dSXin LI 39aae38d10SBaptiste Daroussin #if HAVE_BSD_STRING_H 40aae38d10SBaptiste Daroussin #include <bsd/string.h> 41aae38d10SBaptiste Daroussin #endif 42aae38d10SBaptiste Daroussin 4373f0a83dSXin LI /* 44*21817992SBaptiste Daroussin * $Id: nc_string.h,v 1.9 2021/04/25 00:10:43 tom Exp $ 4573f0a83dSXin LI * 4673f0a83dSXin LI * String-hacks. Use these macros to stifle warnings on (presumably) correct 4773f0a83dSXin LI * uses of strcat, strcpy and sprintf. 4873f0a83dSXin LI * 4973f0a83dSXin LI * By the way - 5073f0a83dSXin LI * A fundamental limitation of the interfaces (and frequent issue in bug 5173f0a83dSXin LI * reports using these functions) is that sizes are passed as unsigned values 5273f0a83dSXin LI * (with associated sign-extension problems), limiting their effectiveness 5373f0a83dSXin LI * when checking for buffer overflow. 5473f0a83dSXin LI */ 5573f0a83dSXin LI 5673f0a83dSXin LI #ifdef __cplusplus 5773f0a83dSXin LI #define NCURSES_VOID /* nothing */ 5873f0a83dSXin LI #else 5973f0a83dSXin LI #define NCURSES_VOID (void) 6073f0a83dSXin LI #endif 6173f0a83dSXin LI 6273f0a83dSXin LI #if USE_STRING_HACKS && HAVE_STRLCAT 6373f0a83dSXin LI #define _nc_STRCAT(d,s,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,n)) 64aae38d10SBaptiste Daroussin #define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,m)) 6573f0a83dSXin LI #else 6673f0a83dSXin LI #define _nc_STRCAT(d,s,n) NCURSES_VOID strcat((d),(s)) 67aae38d10SBaptiste Daroussin #define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strncat((d),(s),(n)) 6873f0a83dSXin LI #endif 6973f0a83dSXin LI 7073f0a83dSXin LI #if USE_STRING_HACKS && HAVE_STRLCPY 7173f0a83dSXin LI #define _nc_STRCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n)) 72aae38d10SBaptiste Daroussin #define _nc_STRNCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n)) 7373f0a83dSXin LI #else 7473f0a83dSXin LI #define _nc_STRCPY(d,s,n) NCURSES_VOID strcpy((d),(s)) 75aae38d10SBaptiste Daroussin #define _nc_STRNCPY(d,s,n) NCURSES_VOID strncpy((d),(s),(n)) 7673f0a83dSXin LI #endif 7773f0a83dSXin LI 7873f0a83dSXin LI #if USE_STRING_HACKS && HAVE_SNPRINTF 79*21817992SBaptiste Daroussin #ifdef __cplusplus 8073f0a83dSXin LI #define _nc_SPRINTF NCURSES_VOID snprintf 81*21817992SBaptiste Daroussin #else 82*21817992SBaptiste Daroussin #define _nc_SPRINTF NCURSES_VOID (snprintf) 83*21817992SBaptiste Daroussin #endif 8473f0a83dSXin LI #define _nc_SLIMIT(n) NCURSES_CAST(size_t,n), 8573f0a83dSXin LI #else 8673f0a83dSXin LI #define _nc_SPRINTF NCURSES_VOID sprintf 8773f0a83dSXin LI #define _nc_SLIMIT(n) /* nothing */ 8873f0a83dSXin LI #endif 8973f0a83dSXin LI 9073f0a83dSXin LI #endif /* STRING_HACKS_H */ 91