/* $NetBSD: h_gets.c,v 1.1 2010/12/27 02:04:19 pgoyette Exp $ */ /* * Copyright (c) 2008 The NetBSD Foundation, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __COPYRIGHT("@(#) Copyright (c) 2008\ The NetBSD Foundation, inc. All rights reserved."); __RCSID("$NetBSD: h_gets.c,v 1.1 2010/12/27 02:04:19 pgoyette Exp $"); #include #ifdef __FreeBSD__ /* _FORTIFY_SOURCE, at the very least, may #define a gets() macro. */ #undef gets /* * We want to test the gets() implementation, but cannot simply link against * the gets symbol because it is not in the default version. (We've made it * unavailable by default on FreeBSD because it should not be used.) * * The next two lines create an unsafe_gets() function that resolves to * gets@FBSD_1.0, which we call from our local gets() implementation. */ __sym_compat(gets, unsafe_gets, FBSD_1.0); char *unsafe_gets(char *); char *gets(char *buf) { return unsafe_gets(buf); } #endif int main(int argc, char *argv[]) { char b[10]; (void)gets(b); (void)printf("%s\n", b); return 0; }