1 /**************************************************************************** 2 * Copyright (c) 2012,2013 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Thomas E. Dickey 2012 * 31 ****************************************************************************/ 32 33 #ifndef STRING_HACKS_H 34 #define STRING_HACKS_H 1 35 36 #include <ncurses_cfg.h> 37 38 /* 39 * $Id: nc_string.h,v 1.4 2013/12/15 01:09:19 tom Exp $ 40 * 41 * String-hacks. Use these macros to stifle warnings on (presumably) correct 42 * uses of strcat, strcpy and sprintf. 43 * 44 * By the way - 45 * A fundamental limitation of the interfaces (and frequent issue in bug 46 * reports using these functions) is that sizes are passed as unsigned values 47 * (with associated sign-extension problems), limiting their effectiveness 48 * when checking for buffer overflow. 49 */ 50 51 #ifdef __cplusplus 52 #define NCURSES_VOID /* nothing */ 53 #else 54 #define NCURSES_VOID (void) 55 #endif 56 57 #if USE_STRING_HACKS && HAVE_STRLCAT 58 #define _nc_STRCAT(d,s,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,n)) 59 #else 60 #define _nc_STRCAT(d,s,n) NCURSES_VOID strcat((d),(s)) 61 #endif 62 63 #if USE_STRING_HACKS && HAVE_STRLCPY 64 #define _nc_STRCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n)) 65 #else 66 #define _nc_STRCPY(d,s,n) NCURSES_VOID strcpy((d),(s)) 67 #endif 68 69 #if USE_STRING_HACKS && HAVE_SNPRINTF 70 #define _nc_SPRINTF NCURSES_VOID snprintf 71 #define _nc_SLIMIT(n) NCURSES_CAST(size_t,n), 72 #else 73 #define _nc_SPRINTF NCURSES_VOID sprintf 74 #define _nc_SLIMIT(n) /* nothing */ 75 #endif 76 77 #endif /* STRING_HACKS_H */ 78