strcat_chk.c revision 1.2.2.2
1 1.2.2.2 liamjfoy /* $NetBSD: strcat_chk.c,v 1.2.2.2 2007/07/22 18:44:47 liamjfoy Exp $ */ 2 1.2.2.2 liamjfoy 3 1.2.2.2 liamjfoy /*- 4 1.2.2.2 liamjfoy * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 1.2.2.2 liamjfoy * All rights reserved. 6 1.2.2.2 liamjfoy * 7 1.2.2.2 liamjfoy * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 liamjfoy * by Christos Zoulas. 9 1.2.2.2 liamjfoy * 10 1.2.2.2 liamjfoy * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 liamjfoy * modification, are permitted provided that the following conditions 12 1.2.2.2 liamjfoy * are met: 13 1.2.2.2 liamjfoy * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 liamjfoy * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 liamjfoy * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 liamjfoy * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 liamjfoy * documentation and/or other materials provided with the distribution. 18 1.2.2.2 liamjfoy * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 liamjfoy * must display the following acknowledgement: 20 1.2.2.2 liamjfoy * This product includes software developed by the NetBSD 21 1.2.2.2 liamjfoy * Foundation, Inc. and its contributors. 22 1.2.2.2 liamjfoy * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 liamjfoy * contributors may be used to endorse or promote products derived 24 1.2.2.2 liamjfoy * from this software without specific prior written permission. 25 1.2.2.2 liamjfoy * 26 1.2.2.2 liamjfoy * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 liamjfoy * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 liamjfoy * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 liamjfoy * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 liamjfoy * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 liamjfoy * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 liamjfoy * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 liamjfoy * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 liamjfoy * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 liamjfoy * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 liamjfoy * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 liamjfoy */ 38 1.2.2.2 liamjfoy #include <sys/cdefs.h> 39 1.2.2.2 liamjfoy __RCSID("$NetBSD: strcat_chk.c,v 1.2.2.2 2007/07/22 18:44:47 liamjfoy Exp $"); 40 1.2.2.2 liamjfoy 41 1.2.2.2 liamjfoy /*LINTLIBRARY*/ 42 1.2.2.2 liamjfoy 43 1.2.2.2 liamjfoy #include <ssp/ssp.h> 44 1.2.2.2 liamjfoy #include <string.h> 45 1.2.2.2 liamjfoy 46 1.2.2.2 liamjfoy char * 47 1.2.2.2 liamjfoy __strcat_chk(char * __restrict dst, char * __restrict src, size_t slen) 48 1.2.2.2 liamjfoy { 49 1.2.2.2 liamjfoy char *d; 50 1.2.2.2 liamjfoy 51 1.2.2.2 liamjfoy for (d = dst; *d; d++) { 52 1.2.2.2 liamjfoy if (slen-- == 0) 53 1.2.2.2 liamjfoy __chk_fail(); 54 1.2.2.2 liamjfoy } 55 1.2.2.2 liamjfoy 56 1.2.2.2 liamjfoy while (*src) { 57 1.2.2.2 liamjfoy if (slen-- == 0) 58 1.2.2.2 liamjfoy __chk_fail(); 59 1.2.2.2 liamjfoy *d++ = *src++; 60 1.2.2.2 liamjfoy } 61 1.2.2.2 liamjfoy 62 1.2.2.2 liamjfoy if (slen-- == 0) 63 1.2.2.2 liamjfoy __chk_fail(); 64 1.2.2.2 liamjfoy 65 1.2.2.2 liamjfoy *d = '\0'; 66 1.2.2.2 liamjfoy return dst; 67 1.2.2.2 liamjfoy } 68
Indexes created Tue Oct 14 15:09:51 GMT 2025