libarchive import

. clean and nbsd_ports managed import
	. also makes it shared

include/sys/extattr.h

@@ -0,0 +1,111 @@
+/*	$NetBSD: extattr.h,v 1.7 2011/08/03 04:11:17 manu Exp $	*/
+
+/*-
+ * Copyright (c) 1999-2001 Robert N. M. Watson
+ * All rights reserved.
+ *
+ * This software was developed by Robert Watson for the TrustedBSD Project.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ * FreeBSD: src/sys/sys/extattr.h,v 1.12 2003/06/04 04:04:24 rwatson Exp
+ */
+
+/*
+ * Support for file system extended attributes.  Originally developed by
+ * the TrustedBSD Project.  For a Linux-compatible interface to the same
+ * subsystem, see <sys/xattr.h>.
+ */
+
+#ifndef _SYS_EXTATTR_H_
+#define	_SYS_EXTATTR_H_
+
+#include <sys/types.h>
+
+#define	EXTATTR_NAMESPACE_USER		0x00000001
+#define	EXTATTR_NAMESPACE_USER_STRING	"user"
+#define	EXTATTR_NAMESPACE_SYSTEM	0x00000002
+#define	EXTATTR_NAMESPACE_SYSTEM_STRING	"system"
+
+/* for sys_extattrctl */
+#define EXTATTR_CMD_START		0x00000001
+#define EXTATTR_CMD_STOP		0x00000002
+
+#ifdef _KERNEL
+
+#include <sys/syslimits.h>
+
+/* VOP_LISTEXTATTR flags */
+#define EXTATTR_LIST_LENPREFIX	1	/* names with length prefix */
+
+#define	EXTATTR_MAXNAMELEN	NAME_MAX
+struct lwp;
+struct vnode;
+int	extattr_check_cred(struct vnode *, int, kauth_cred_t,
+	    struct lwp *, int);
+
+#else
+
+#include <sys/cdefs.h>
+__BEGIN_DECLS
+int	extattrctl(const char *_path, int _cmd, const char *_filename,
+	    int _attrnamespace, const char *_attrname);
+
+int	extattr_delete_fd(int _fd, int _attrnamespace, const char *_attrname);
+int	extattr_delete_file(const char *_path, int _attrnamespace,
+	    const char *_attrname);
+int	extattr_delete_link(const char *_path, int _attrnamespace,
+	    const char *_attrname);
+ssize_t	extattr_get_fd(int _fd, int _attrnamespace, const char *_attrname,
+	    void *_data, size_t _nbytes);
+ssize_t	extattr_get_file(const char *_path, int _attrnamespace,
+	    const char *_attrname, void *_data, size_t _nbytes);
+ssize_t	extattr_get_link(const char *_path, int _attrnamespace,
+	    const char *_attrname, void *_data, size_t _nbytes);
+ssize_t	extattr_list_fd(int _fd, int _attrnamespace, void *_data,
+	    size_t _nbytes);
+ssize_t	extattr_list_file(const char *_path, int _attrnamespace, void *_data,
+	    size_t _nbytes);
+ssize_t	extattr_list_link(const char *_path, int _attrnamespace, void *_data,
+	    size_t _nbytes);
+int	extattr_set_fd(int _fd, int _attrnamespace, const char *_attrname,
+	    const void *_data, size_t _nbytes);
+int	extattr_set_file(const char *_path, int _attrnamespace,
+	    const char *_attrname, const void *_data, size_t _nbytes);
+int	extattr_set_link(const char *_path, int _attrnamespace,
+	    const char *_attrname, const void *_data, size_t _nbytes);
+
+extern const int extattr_namespaces[];
+
+int	extattr_namespace_to_string(int, char **);
+int	extattr_string_to_namespace(const char *, int *);
+int	extattr_copy_fd(int _from_fd, int _to_fd, int _namespace);
+int	extattr_copy_file(const char *_from, const char *_to, int _namespace);
+int	extattr_copy_link(const char *_from, const char *_to, int _namespace);
+
+int	fcpxattr(int _from_fd, int _to_fd);
+int	cpxattr(const char *_from, const char *_to);
+int	lcpxattr(const char *_from, const char *_to);
+__END_DECLS
+
+#endif /* !_KERNEL */
+#endif /* !_SYS_EXTATTR_H_ */