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Hurd: provide llistxattr 

Add an implementation of llistxattr based on listxattr.
This commit is contained in:
Pino Toscano 2012-07-21 00:00:20 +02:00
parent ac4ea442f3
commit f98eafbd5d
2 changed files with 38 additions and 0 deletions
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3
ChangeLog
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@ -4,6 +4,9 @@
(__sendto): Use create_address_port. Initialize APORT and deallocate (__sendto): Use create_address_port. Initialize APORT and deallocate
it if not null. it if not null.
* sysdeps/mach/hurd/llistxattr.c: New file, copied from listxattr.c
with O_NOLINK passed to __file_name_lookup.
2012-07-20 Joseph Myers <joseph@codesourcery.com> 2012-07-20 Joseph Myers <joseph@codesourcery.com>
* elf/Makefile (check-data): Remove. * elf/Makefile (check-data): Remove.

35
sysdeps/mach/hurd/llistxattr.c Normal file
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@ -0,0 +1,35 @@
/* Access to extended attributes on files. Hurd version.
Copyright (C) 2005-2012 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>
#include <fcntl.h>
ssize_t
llistxattr (const char *path, char *list, size_t size)
{
error_t err;
file_t port = __file_name_lookup (path, O_NOLINK, 0);
if (port == MACH_PORT_NULL)
return -1;
err = _hurd_xattr_list (port, list, &size);
__mach_port_deallocate (__mach_task_self (), port);
return err ? __hurd_fail (err) : size;
}