1272343Sngie/* $NetBSD: h_readlink.c,v 1.1 2010/12/27 02:04:19 pgoyette Exp $ */ 2272343Sngie 3272343Sngie/* 4272343Sngie * Copyright (c) 2008 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * Redistribution and use in source and binary forms, with or without 8272343Sngie * modification, are permitted provided that the following conditions 9272343Sngie * are met: 10272343Sngie * 1. Redistributions of source code must retain the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer. 12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 13272343Sngie * notice, this list of conditions and the following disclaimer in the 14272343Sngie * documentation and/or other materials provided with the distribution. 15272343Sngie * 16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26272343Sngie * POSSIBILITY OF SUCH DAMAGE. 27272343Sngie */ 28272343Sngie 29272343Sngie#include <sys/cdefs.h> 30272343Sngie__COPYRIGHT("@(#) Copyright (c) 2008\ 31272343Sngie The NetBSD Foundation, inc. All rights reserved."); 32272343Sngie__RCSID("$NetBSD: h_readlink.c,v 1.1 2010/12/27 02:04:19 pgoyette Exp $"); 33272343Sngie 34272343Sngie#include <sys/param.h> 35272343Sngie#include <stdio.h> 36272343Sngie#include <unistd.h> 37272343Sngie#include <stdlib.h> 38272343Sngie 39276478Sngie#ifdef __FreeBSD__ 40276478Sngie#include <err.h> 41276478Sngie#include <string.h> 42276478Sngie#endif 43276478Sngie 44272343Sngieint 45272343Sngiemain(int argc, char *argv[]) 46272343Sngie{ 47276478Sngie#ifdef __FreeBSD__ 48276478Sngie char b[512], *sl; 49276478Sngie size_t len = atoi(argv[1]); 50276478Sngie sl = malloc(len); 51276478Sngie memset(sl, 'a', len); 52276478Sngie sl[len - 1] = 0; 53276478Sngie unlink("symlink"); 54276478Sngie if (symlink(sl, "symlink") == -1) 55276478Sngie err(1, "symlink()"); 56290578Sngie (void)readlink("symlink", b, len); 57276478Sngie unlink("symlink"); 58276478Sngie#else 59272343Sngie char b[MAXPATHLEN]; 60272343Sngie size_t len = atoi(argv[1]); 61272343Sngie (void)readlink("/", b, len); 62276478Sngie#endif 63272343Sngie (void)printf("%s\n", b); 64272343Sngie return 0; 65272343Sngie} 66