157718be8SEnji Cooper /* $NetBSD: h_readlink.c,v 1.1 2010/12/27 02:04:19 pgoyette Exp $ */
257718be8SEnji Cooper
357718be8SEnji Cooper /*
457718be8SEnji Cooper * Copyright (c) 2008 The NetBSD Foundation, Inc.
557718be8SEnji Cooper * All rights reserved.
657718be8SEnji Cooper *
757718be8SEnji Cooper * Redistribution and use in source and binary forms, with or without
857718be8SEnji Cooper * modification, are permitted provided that the following conditions
957718be8SEnji Cooper * are met:
1057718be8SEnji Cooper * 1. Redistributions of source code must retain the above copyright
1157718be8SEnji Cooper * notice, this list of conditions and the following disclaimer.
1257718be8SEnji Cooper * 2. Redistributions in binary form must reproduce the above copyright
1357718be8SEnji Cooper * notice, this list of conditions and the following disclaimer in the
1457718be8SEnji Cooper * documentation and/or other materials provided with the distribution.
1557718be8SEnji Cooper *
1657718be8SEnji Cooper * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
1757718be8SEnji Cooper * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
1857718be8SEnji Cooper * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1957718be8SEnji Cooper * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
2057718be8SEnji Cooper * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2157718be8SEnji Cooper * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2257718be8SEnji Cooper * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2357718be8SEnji Cooper * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2457718be8SEnji Cooper * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2557718be8SEnji Cooper * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2657718be8SEnji Cooper * POSSIBILITY OF SUCH DAMAGE.
2757718be8SEnji Cooper */
2857718be8SEnji Cooper
2957718be8SEnji Cooper #include <sys/cdefs.h>
3057718be8SEnji Cooper __COPYRIGHT("@(#) Copyright (c) 2008\
3157718be8SEnji Cooper The NetBSD Foundation, inc. All rights reserved.");
3257718be8SEnji Cooper __RCSID("$NetBSD: h_readlink.c,v 1.1 2010/12/27 02:04:19 pgoyette Exp $");
3357718be8SEnji Cooper
3457718be8SEnji Cooper #include <sys/param.h>
3557718be8SEnji Cooper #include <stdio.h>
3657718be8SEnji Cooper #include <unistd.h>
3757718be8SEnji Cooper #include <stdlib.h>
3857718be8SEnji Cooper
39f001698bSEnji Cooper #ifdef __FreeBSD__
40f001698bSEnji Cooper #include <err.h>
41f001698bSEnji Cooper #include <string.h>
42f001698bSEnji Cooper #endif
43f001698bSEnji Cooper
4457718be8SEnji Cooper int
main(int argc,char * argv[])4557718be8SEnji Cooper main(int argc, char *argv[])
4657718be8SEnji Cooper {
47f001698bSEnji Cooper #ifdef __FreeBSD__
48f001698bSEnji Cooper char b[512], *sl;
49f001698bSEnji Cooper size_t len = atoi(argv[1]);
50f001698bSEnji Cooper sl = malloc(len);
51f001698bSEnji Cooper memset(sl, 'a', len);
52f001698bSEnji Cooper sl[len - 1] = 0;
53f001698bSEnji Cooper unlink("symlink");
54f001698bSEnji Cooper if (symlink(sl, "symlink") == -1)
55f001698bSEnji Cooper err(1, "symlink()");
56*59c83c1cSEnji Cooper (void)readlink("symlink", b, len);
57f001698bSEnji Cooper unlink("symlink");
58f001698bSEnji Cooper #else
5957718be8SEnji Cooper char b[MAXPATHLEN];
6057718be8SEnji Cooper size_t len = atoi(argv[1]);
6157718be8SEnji Cooper (void)readlink("/", b, len);
62f001698bSEnji Cooper #endif
6357718be8SEnji Cooper (void)printf("%s\n", b);
6457718be8SEnji Cooper return 0;
6557718be8SEnji Cooper }
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