stpcpy_chk.c revision 1.5.2.2
1 1.5.2.2 yamt /* $NetBSD: stpcpy_chk.c,v 1.5.2.2 2014/05/22 11:36:53 yamt Exp $ */ 2 1.5.2.2 yamt 3 1.5.2.2 yamt /*- 4 1.5.2.2 yamt * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.5.2.2 yamt * All rights reserved. 6 1.5.2.2 yamt * 7 1.5.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.5.2.2 yamt * by Christos Zoulas. 9 1.5.2.2 yamt * 10 1.5.2.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.5.2.2 yamt * modification, are permitted provided that the following conditions 12 1.5.2.2 yamt * are met: 13 1.5.2.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.5.2.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.5.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.5.2.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.5.2.2 yamt * documentation and/or other materials provided with the distribution. 18 1.5.2.2 yamt * 19 1.5.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.5.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.5.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.5.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.5.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.5.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.5.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.5.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.5.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.5.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.5.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 30 1.5.2.2 yamt */ 31 1.5.2.2 yamt #include <sys/cdefs.h> 32 1.5.2.2 yamt __RCSID("$NetBSD: stpcpy_chk.c,v 1.5.2.2 2014/05/22 11:36:53 yamt Exp $"); 33 1.5.2.2 yamt 34 1.5.2.2 yamt /*LINTLIBRARY*/ 35 1.5.2.2 yamt 36 1.5.2.2 yamt #include <ssp/ssp.h> 37 1.5.2.2 yamt #include <string.h> 38 1.5.2.2 yamt 39 1.5.2.2 yamt #undef memcpy 40 1.5.2.2 yamt 41 1.5.2.2 yamt #if !__GNUC_PREREQ__(4, 8) 42 1.5.2.2 yamt char *__stpcpy_chk(char * __restrict, const char * __restrict, size_t); 43 1.5.2.2 yamt #endif 44 1.5.2.2 yamt 45 1.5.2.2 yamt char * 46 1.5.2.2 yamt __stpcpy_chk(char * __restrict dst, const char * __restrict src, size_t slen) 47 1.5.2.2 yamt { 48 1.5.2.2 yamt size_t len = strlen(src); 49 1.5.2.2 yamt 50 1.5.2.2 yamt if (len >= slen) 51 1.5.2.2 yamt __chk_fail(); 52 1.5.2.2 yamt 53 1.5.2.2 yamt (void)memcpy(dst, src, len + 1); 54 1.5.2.2 yamt return dst + len; 55 1.5.2.2 yamt } 56
Indexes created Tue Sep 30 20:09:53 GMT 2025