zfs-builds-mm/zfs-0.8.1/include/spl/sys/sid.h

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2019-07-06 23:40:11 +02:00
/*
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://zfsonlinux.org/>.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_SID_H
#define _SPL_SID_H
typedef struct ksiddomain {
char *kd_name;
} ksiddomain_t;
typedef enum ksid_index {
KSID_USER,
KSID_GROUP,
KSID_OWNER,
KSID_COUNT
} ksid_index_t;
typedef int ksid_t;
static inline ksiddomain_t *
ksid_lookupdomain(const char *dom)
{
ksiddomain_t *kd;
int len = strlen(dom);
kd = kmem_zalloc(sizeof (ksiddomain_t), KM_SLEEP);
kd->kd_name = kmem_zalloc(len + 1, KM_SLEEP);
memcpy(kd->kd_name, dom, len);
return (kd);
}
static inline void
ksiddomain_rele(ksiddomain_t *ksid)
{
kmem_free(ksid->kd_name, strlen(ksid->kd_name) + 1);
kmem_free(ksid, sizeof (ksiddomain_t));
}
#endif /* _SPL_SID_H */