NetBSD/lib/libc/gen/extattr.c

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/* $NetBSD: extattr.c,v 1.2 2005/02/09 21:35:46 kleink Exp $ */
/*-
* Copyright (c) 2001 Robert N. M. Watson
* All rights reserved.
*
* 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.
*/
/*
* TrustedBSD: Utility functions for extended attributes.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: extattr.c,v 1.2 2005/02/09 21:35:46 kleink Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <sys/types.h>
#include <sys/extattr.h>
#include <errno.h>
#include <string.h>
int
extattr_namespace_to_string(int attrnamespace, char **string)
{
switch(attrnamespace) {
case EXTATTR_NAMESPACE_USER:
if (string != NULL) {
if ((*string =
strdup(EXTATTR_NAMESPACE_USER_STRING)) == NULL)
return (-1);
}
return (0);
case EXTATTR_NAMESPACE_SYSTEM:
if (string != NULL)
if ((*string =
strdup(EXTATTR_NAMESPACE_SYSTEM_STRING)) == NULL)
return (-1);
return (0);
default:
errno = EINVAL;
return (-1);
}
}
int
extattr_string_to_namespace(const char *string, int *attrnamespace)
{
if (strcmp(string, EXTATTR_NAMESPACE_USER_STRING) == 0) {
if (attrnamespace != NULL)
*attrnamespace = EXTATTR_NAMESPACE_USER;
return (0);
} else if (strcmp(string, EXTATTR_NAMESPACE_SYSTEM_STRING) == 0) {
if (attrnamespace != NULL)
*attrnamespace = EXTATTR_NAMESPACE_SYSTEM;
return (0);
} else {
errno = EINVAL;
return (-1);
}
}