glibc/sysdeps/mach/hurd/getxattr.c

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/* Access to extended attributes on files. Hurd version.
Copyright (C) 2004-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/xattr.h>
#include <hurd.h>
#include <hurd/xattr.h>
ssize_t
getxattr (const char *path, const char *name, void *value, size_t size)
{
error_t err;
file_t port = __file_name_lookup (path, 0, 0);
if (port == MACH_PORT_NULL)
return -1;
err = _hurd_xattr_get (port, name, value, &size);
__mach_port_deallocate (__mach_task_self (), port);
return err ? __hurd_fail (err) : size;
}