o Reflect repo-copy of extattr.[c3] from libutil to libc, moving
extattr namespace routines to the libc/posix1e directory. While the extattr calls are not strictly POSIX.1e, POSIX.1e wasn't strictly ever approved, so I think that's OK. Obtained from: TrustedBSD Project
This commit is contained in:
parent
9d58ead2eb
commit
5acb7446b0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=86452
@ -32,7 +32,8 @@ SRCS+= acl_calc_mask.c \
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cap_set_file.c \
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cap_set_flag.c \
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cap_set_proc.c \
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cap_text.c
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cap_text.c \
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extattr.c
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.if ${LIB} == "c"
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@ -74,6 +75,7 @@ MAN+= acl.3 \
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cap_set_flag.3 \
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cap_set_proc.3 \
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cap_to_text.3 \
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extattr.3 \
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posix1e.3
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MLINKS+=acl_delete.3 acl_delete_def_file.3 \
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@ -87,6 +89,8 @@ MLINKS+=acl_delete.3 acl_delete_def_file.3 \
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acl_set.3 acl_set_fd_np.3 \
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acl_valid.3 acl_valid_file_np.3 \
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acl_valid.3 acl_valid_fd_np.3 \
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cap_copy_ext.3 cap_size.3
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cap_copy_ext.3 cap_size.3 \
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extattr.3 extattr_namespace_to_string.3 \
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extattr.3 extattr_string_to_namespace.3
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.endif
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@ -6,20 +6,17 @@ SHLIB_MAJOR= 3
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SHLIB_MINOR= 0
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CFLAGS+=-Wall -DLIBC_SCCS -I${.CURDIR}
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CFLAGS+=-DINET6
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SRCS= _secure_path.c auth.c extattr.c fparseln.c login.c login_auth.c \
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SRCS= _secure_path.c auth.c fparseln.c login.c login_auth.c \
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login_cap.c login_class.c login_crypt.c login_ok.c login_times.c \
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login_tty.c logout.c logwtmp.c property.c pty.c realhostname.c stub.c \
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trimdomain.c uucplock.c
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INCS= libutil.h login_cap.h
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MAN+= extattr.3
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MAN+= login.3 login_auth.3 login_tty.3 logout.3 logwtmp.3 pty.3 \
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login_cap.3 login_class.3 login_times.3 login_ok.3 \
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_secure_path.3 uucplock.3 property.3 auth.3 realhostname.3 \
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realhostname_sa.3 trimdomain.3 fparseln.3
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MAN+= login.conf.5 auth.conf.5
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MLINKS+= extattr.3 extattr_namespace_to_string.3 \
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extattr.3 extattr_string_to_namespace.3
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MLINKS+= property.3 properties_read.3 property.3 properties_free.3
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MLINKS+= property.3 property_find.3
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MLINKS+= auth.3 auth_getval.3
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@ -1,100 +0,0 @@
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.\"
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.\" Copyright (c) 2001 Dima Dorfman <dd@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 24, 2001
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.Dt EXTATTR 3
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.Os
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.Sh NAME
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.Nm extattr_namespace_to_string ,
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.Nm extattr_string_to_namespace
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.Nd convert an extended attribute namespace identifier to a string and
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vice versa
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.Sh LIBRARY
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.Lb libutil
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.Sh SYNOPSIS
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.In sys/extattr.h
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.In libutil.h
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.Ft int
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.Fn extattr_namespace_to_string "int attrnamespace" "char **string"
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.Ft int
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.Fn extattr_string_to_namespace "const char *string" "int *attrnamespace"
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.Sh DESCRIPTION
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The
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.Fn extattr_namespace_to_string
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function converts a VFS extended attribute identifier to a human-readable
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string;
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the
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.Fn extattr_string_to_namespace
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function undoes the aforementioned operation,
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and converts a human-readable string representing a namespace to a
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namespace identifier.
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Although a filesystem may implement arbitrary namespaces,
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these functions only support the
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.Dv EXTATTR_NAMESPACE_USER
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.Pq Dq user
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and
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.Dv EXTATTR_NAMESPACE_SYSTEM
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.Pq Dq system
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namespaces,
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which are defined in
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.Xr extattr 9 .
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.Pp
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These functions are meant to be used in error reporting and other
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interactive tasks.
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For example,
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instead of printing the integer identifying an extended attribute in
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an error message,
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a program might use
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.Fn extattr_namespace_to_string
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to obtain a human-readable representation.
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Likewise,
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instead of requiring a user to enter the integer representing a namespace,
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an interactive program might ask for a name and use
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.Fn extattr_string_to_namespace
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to get the desired identifier.
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.Sh RETURN VALUES
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If any of the calls are unsuccessful, the value \-1 is returned
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and the global variable
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.Va errno
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is set to indicate the error.
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.Sh ERRORS
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.Bl -tag -width Er
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.It Bq Er EINVAL
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The requested namespace could not be identified.
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.El
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.Sh SEE ALSO
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.Xr extattr 2 ,
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.Xr getextattr 8 ,
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.Xr setextattr 8 ,
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.Xr extattr 9
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.Sh HISTORY
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Extended attribute support was developed as part of the
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.Tn TrustedBSD
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Project, and introduced in
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.Fx 5.0 .
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It was developed to support security extensions requiring additional labels
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to be associated with each file or directory.
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@ -1,77 +0,0 @@
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/*-
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* Copyright (c) 2001 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* TrustedBSD: Utility functions for extended attributes.
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*/
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#include <sys/types.h>
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#include <sys/extattr.h>
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#include <errno.h>
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#include <string.h>
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int
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extattr_namespace_to_string(int attrnamespace, char **string)
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{
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switch(attrnamespace) {
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case EXTATTR_NAMESPACE_USER:
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if (*string != NULL)
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*string = strdup(EXTATTR_NAMESPACE_USER_STRING);
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return (0);
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case EXTATTR_NAMESPACE_SYSTEM:
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if (*string != NULL)
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*string = strdup(EXTATTR_NAMESPACE_SYSTEM_STRING);
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return (0);
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default:
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errno = EINVAL;
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return (-1);
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}
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}
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int
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extattr_string_to_namespace(const char *string, int *attrnamespace)
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{
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if (!strcmp(string, EXTATTR_NAMESPACE_USER_STRING)) {
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if (attrnamespace != NULL)
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*attrnamespace = EXTATTR_NAMESPACE_USER;
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return (0);
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} else if (!strcmp(string, EXTATTR_NAMESPACE_SYSTEM_STRING)) {
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if (attrnamespace != NULL)
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*attrnamespace = EXTATTR_NAMESPACE_SYSTEM;
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return (0);
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} else {
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errno = EINVAL;
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return (-1);
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}
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}
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