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/* $NetBSD: lchflags.c,v 1.4 2008/04/28 20:24:12 martin Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Luke Mewburn.
*
* 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.
*/
/* Emulate lchflags(2), checking path with lstat(2) first to ensure that
* it's not a symlink, and then call chflags(2) */
#if !defined(__minix) && !defined(_LIBC)
#include "nbtool_config.h"
#else
#define HAVE_STRUCT_STAT_ST_FLAGS 1
#endif /* !defined(__minix) && !defined(_LIBC) */
#if !HAVE_LCHFLAGS && HAVE_STRUCT_STAT_ST_FLAGS
#include <sys/stat.h>
#include <errno.h>
#include <unistd.h>
int
lchflags(const char *path, u_long flags)
{
struct stat psb;
if (lstat(path, &psb) == -1)
return -1;
if (S_ISLNK(psb.st_mode)) {
return 0;
}
#if defined(__minix)
return 0;
#else
return (chflags(path, flags));
#endif /* defined(__minix) */
}
#endif
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